edit.c File Reference

#include <user32.h>
#include <usp10.h>

Include dependency graph for edit.c:

Go to the source code of this file.

Classes
struct	tagLINEDEF
struct	EDITSTATE
struct	char_width_info

Macros
#define	WIN32_LEAN_AND_MEAN
#define	BUFLIMIT_INITIAL   30000 /* initial buffer size */
#define	GROWLENGTH   32 /* buffers granularity in bytes: must be power of 2 */
#define	ROUND_TO_GROW(size)   (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
#define	HSCROLL_FRACTION   3 /* scroll window by 1/3 width */
#define	EF_MODIFIED   0x0001 /* text has been modified */
#define	EF_FOCUSED   0x0002 /* we have input focus */
#define	EF_UPDATE   0x0004 /* notify parent of changed state */
#define	EF_VSCROLL_TRACK   0x0008 /* don't SetScrollPos() since we are tracking the thumb */
#define	EF_HSCROLL_TRACK   0x0010 /* don't SetScrollPos() since we are tracking the thumb */
#define	EF_AFTER_WRAP
#define	EF_USE_SOFTBRK   0x0100 /* Enable soft breaks in text. */
#define	EF_DIALOGMODE   0x0200 /* Indicates that we are inside a dialog window */
#define	SWAP_UINT32(x, y)   do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
#define	ORDER_UINT(x, y)   do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)

Typedefs
typedef struct tagLINEDEF	LINEDEF

Enumerations
enum	LINE_END {   END_0 = 0 , END_WRAP , END_HARD , END_SOFT ,   END_RICH , END_0 = 0 , END_WRAP , END_HARD ,   END_SOFT , END_RICH }

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (edit)
	WINE_DECLARE_DEBUG_CHANNEL (combo)
	WINE_DECLARE_DEBUG_CHANNEL (relay)
static BOOL	notify_parent (const EDITSTATE *es, INT code)
static EDITSTATE *	get_control_state (HWND hwnd)
static EDITSTATE *	set_control_state (HWND hwnd, EDITSTATE *state)
static LRESULT	EDIT_EM_PosFromChar (EDITSTATE *es, INT index, BOOL after_wrap)
static BOOL	EDIT_EM_CanUndo (const EDITSTATE *es)
static void	EDIT_EM_EmptyUndoBuffer (EDITSTATE *es)
DWORD	get_app_version (void)
static HBRUSH	EDIT_NotifyCtlColor (EDITSTATE *es, HDC hdc)
static UINT	get_text_length (EDITSTATE *es)
static INT	EDIT_WordBreakProc (EDITSTATE *es, LPWSTR s, INT index, INT count, INT action)
static INT	EDIT_CallWordBreakProc (EDITSTATE *es, INT start, INT index, INT count, INT action)
static void	EDIT_InvalidateUniscribeData_linedef (LINEDEF *line_def)
static void	EDIT_InvalidateUniscribeData (EDITSTATE *es)
static SCRIPT_STRING_ANALYSIS	EDIT_UpdateUniscribeData_linedef (EDITSTATE *es, HDC dc, LINEDEF *line_def)
static SCRIPT_STRING_ANALYSIS	EDIT_UpdateUniscribeData (EDITSTATE *es, HDC dc, INT line)
static INT	get_vertical_line_count (EDITSTATE *es)
static void	EDIT_BuildLineDefs_ML (EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn)
static void	EDIT_CalcLineWidth_SL (EDITSTATE *es)
static INT	EDIT_CharFromPos (EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
static void	EDIT_ConfinePoint (const EDITSTATE *es, LPINT x, LPINT y)
static INT	EDIT_EM_LineFromChar (EDITSTATE *es, INT index)
static INT	EDIT_EM_LineIndex (const EDITSTATE *es, INT line)
static INT	EDIT_EM_LineLength (EDITSTATE *es, INT index)
static void	EDIT_GetLineRect (EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
static void	text_buffer_changed (EDITSTATE *es)
static void	EDIT_LockBuffer (EDITSTATE *es)
static void	EDIT_UnlockBuffer (EDITSTATE *es, BOOL force)
static BOOL	EDIT_MakeFit (EDITSTATE *es, UINT size)
static BOOL	EDIT_MakeUndoFit (EDITSTATE *es, UINT size)
static void	EDIT_UpdateTextRegion (EDITSTATE *es, HRGN hrgn, BOOL bErase)
static void	EDIT_UpdateText (EDITSTATE *es, const RECT *rc, BOOL bErase)
static void	EDIT_SL_InvalidateText (EDITSTATE *es, INT start, INT end)
static void	EDIT_ML_InvalidateText (EDITSTATE *es, INT start, INT end)
static void	EDIT_InvalidateText (EDITSTATE *es, INT start, INT end)
static void	EDIT_EM_SetSel (EDITSTATE *es, UINT start, UINT end, BOOL after_wrap)
static void	EDIT_UpdateScrollInfo (EDITSTATE *es)
static BOOL	EDIT_EM_LineScroll_internal (EDITSTATE *es, INT dx, INT dy)
static BOOL	EDIT_EM_LineScroll (EDITSTATE *es, INT dx, INT dy)
static LRESULT	EDIT_EM_Scroll (EDITSTATE *es, INT action)
static void	EDIT_UpdateImmCompositionWindow (EDITSTATE *es, UINT x, UINT y)
static void	EDIT_SetCaretPos (EDITSTATE *es, INT pos, BOOL after_wrap)
static void	EDIT_EM_ScrollCaret (EDITSTATE *es)
static void	EDIT_MoveBackward (EDITSTATE *es, BOOL extend)
static void	EDIT_MoveDown_ML (EDITSTATE *es, BOOL extend)
static void	EDIT_MoveEnd (EDITSTATE *es, BOOL extend, BOOL ctrl)
static void	EDIT_MoveForward (EDITSTATE *es, BOOL extend)
static void	EDIT_MoveHome (EDITSTATE *es, BOOL extend, BOOL ctrl)
static void	EDIT_MovePageDown_ML (EDITSTATE *es, BOOL extend)
static void	EDIT_MovePageUp_ML (EDITSTATE *es, BOOL extend)
static void	EDIT_MoveUp_ML (EDITSTATE *es, BOOL extend)
static void	EDIT_MoveWordBackward (EDITSTATE *es, BOOL extend)
static void	EDIT_MoveWordForward (EDITSTATE *es, BOOL extend)
static INT	EDIT_PaintText (EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev)
static void	EDIT_PaintLine (EDITSTATE *es, HDC dc, INT line, BOOL rev)
static void	EDIT_AdjustFormatRect (EDITSTATE *es)
static int	EDIT_is_valid_format_rect (const EDITSTATE *es, const RECT *rc)
static void	EDIT_SetRectNP (EDITSTATE *es, const RECT *rc)
static LRESULT	EDIT_EM_CharFromPos (EDITSTATE *es, INT x, INT y)
static BOOL	EDIT_EM_FmtLines (EDITSTATE *es, BOOL add_eol)
static HLOCAL	EDIT_EM_GetHandle (EDITSTATE *es)
static INT	EDIT_EM_GetLine (EDITSTATE *es, INT line, LPWSTR dst, BOOL unicode)
static LRESULT	EDIT_EM_GetSel (const EDITSTATE *es, PUINT start, PUINT end)
static void	EDIT_EM_ReplaceSel (EDITSTATE *es, BOOL can_undo, const WCHAR *lpsz_replace, UINT strl, BOOL send_update, BOOL honor_limit)
static void	EDIT_EM_SetHandle (EDITSTATE *es, HLOCAL hloc)
static void	EDIT_EM_SetLimitText (EDITSTATE *es, UINT limit)
static BOOL	is_cjk_charset (HDC dc)
static BOOL	is_cjk_font (HDC dc)
static int	get_cjk_fontinfo_margin (int width, int side_bearing)
BOOL WINAPI	GetCharWidthInfo (HDC, struct char_width_info *)
static void	EDIT_EM_SetMargins (EDITSTATE *es, INT action, WORD left, WORD right, BOOL repaint)
static BOOL	EDIT_EM_SetPasswordChar (EDITSTATE *es, WCHAR c)
static BOOL	EDIT_EM_SetTabStops (EDITSTATE *es, INT count, const INT *tabs)
static void	EDIT_EM_SetWordBreakProc (EDITSTATE *es, void *wbp)
static BOOL	EDIT_EM_Undo (EDITSTATE *es)
static BOOL	EDIT_IsInsideDialog (EDITSTATE *es)
static void	EDIT_WM_Paste (EDITSTATE *es)
static void	EDIT_WM_Copy (EDITSTATE *es)
static void	EDIT_WM_Clear (EDITSTATE *es)
static void	EDIT_WM_Cut (EDITSTATE *es)
static LRESULT	EDIT_WM_Char (EDITSTATE *es, WCHAR c)
static void	EDIT_ContextMenuCommand (EDITSTATE *es, UINT id)
static void	EDIT_WM_ContextMenu (EDITSTATE *es, INT x, INT y)
static INT	EDIT_WM_GetText (const EDITSTATE *es, INT count, LPWSTR dst, BOOL unicode)
static BOOL	EDIT_CheckCombo (EDITSTATE *es, UINT msg, INT key)
static LRESULT	EDIT_WM_KeyDown (EDITSTATE *es, INT key)
static LRESULT	EDIT_WM_KillFocus (EDITSTATE *es)
static LRESULT	EDIT_WM_LButtonDblClk (EDITSTATE *es)
static LRESULT	EDIT_WM_LButtonDown (EDITSTATE *es, DWORD keys, INT x, INT y)
static LRESULT	EDIT_WM_LButtonUp (EDITSTATE *es)
static LRESULT	EDIT_WM_MButtonDown (EDITSTATE *es)
static LRESULT	EDIT_WM_MouseMove (EDITSTATE *es, INT x, INT y)
static void	EDIT_WM_Paint (EDITSTATE *es, HDC hdc)
static void	EDIT_WM_SetFocus (EDITSTATE *es)
static DWORD	get_font_margins (HDC hdc, const TEXTMETRICW *tm, BOOL unicode)
static void	EDIT_UpdateImmCompositionFont (EDITSTATE *es)
static void	EDIT_WM_SetFont (EDITSTATE *es, HFONT font, BOOL redraw)
static void	EDIT_WM_SetText (EDITSTATE *es, LPCWSTR text, BOOL unicode)
static void	EDIT_WM_Size (EDITSTATE *es, UINT action)
static LRESULT	EDIT_WM_StyleChanged (EDITSTATE *es, WPARAM which, const STYLESTRUCT *style)
static LRESULT	EDIT_WM_SysKeyDown (EDITSTATE *es, INT key, DWORD key_data)
static LRESULT	EDIT_WM_HScroll (EDITSTATE *es, INT action, INT pos)
static LRESULT	EDIT_WM_VScroll (EDITSTATE *es, INT action, INT pos)
static LRESULT	EDIT_EM_GetThumb (EDITSTATE *es)
static void	EDIT_GetResultStr (HIMC hIMC, EDITSTATE *es)
static void	EDIT_ImeComposition (HWND hwnd, LPARAM CompFlag, EDITSTATE *es)
static LRESULT	EDIT_WM_NCCreate (HWND hwnd, LPCREATESTRUCTW lpcs, BOOL unicode)
static LRESULT	EDIT_WM_Create (EDITSTATE *es, LPCWSTR name)
static LRESULT	EDIT_WM_NCDestroy (EDITSTATE *es)
static LRESULT	DefWindowProcT (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode)
LRESULT WINAPI	EditWndProc_common (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode)

Macro Definition Documentation

BUFLIMIT_INITIAL

#define BUFLIMIT_INITIAL   30000 /* initial buffer size */

Definition at line 52 of file edit.c.

EF_AFTER_WRAP

#define EF_AFTER_WRAP

Value:

                       0x0080   /* the caret is displayed after the last character of a
                       wrapped line, instead of in front of the next character */

Definition at line 65 of file edit.c.

EF_DIALOGMODE

#define EF_DIALOGMODE   0x0200 /* Indicates that we are inside a dialog window */

Definition at line 67 of file edit.c.

EF_FOCUSED

#define EF_FOCUSED   0x0002 /* we have input focus */

Definition at line 61 of file edit.c.

EF_HSCROLL_TRACK

#define EF_HSCROLL_TRACK   0x0010 /* don't SetScrollPos() since we are tracking the thumb */

Definition at line 64 of file edit.c.

EF_MODIFIED

#define EF_MODIFIED   0x0001 /* text has been modified */

Definition at line 60 of file edit.c.

EF_UPDATE

#define EF_UPDATE   0x0004 /* notify parent of changed state */

Definition at line 62 of file edit.c.

EF_USE_SOFTBRK

#define EF_USE_SOFTBRK   0x0100 /* Enable soft breaks in text. */

Definition at line 66 of file edit.c.

EF_VSCROLL_TRACK

#define EF_VSCROLL_TRACK   0x0008 /* don't SetScrollPos() since we are tracking the thumb */

Definition at line 63 of file edit.c.

GROWLENGTH

#define GROWLENGTH   32 /* buffers granularity in bytes: must be power of 2 */

Definition at line 53 of file edit.c.

HSCROLL_FRACTION

#define HSCROLL_FRACTION   3 /* scroll window by 1/3 width */

Definition at line 55 of file edit.c.

ORDER_UINT

#define ORDER_UINT	(		x,
			y
	)		do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)

Definition at line 154 of file edit.c.

ROUND_TO_GROW

#define ROUND_TO_GROW

(

size

)

(((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))

Definition at line 54 of file edit.c.

SWAP_UINT32

#define SWAP_UINT32	(		x,
			y
	)		do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)

Definition at line 153 of file edit.c.

WIN32_LEAN_AND_MEAN

#define WIN32_LEAN_AND_MEAN

Definition at line 31 of file edit.c.

Typedef Documentation

LINEDEF

typedef struct tagLINEDEF LINEDEF

Enumeration Type Documentation

LINE_END

enum LINE_END

Enumerator
END_0
END_WRAP
END_HARD
END_SOFT
END_RICH
END_0
END_WRAP
END_HARD
END_SOFT
END_RICH

Definition at line 69 of file edit.c.

{
    END_0 = 0,          /* line ends with terminating '\0' character */
    END_WRAP,           /* line is wrapped */
    END_HARD,           /* line ends with a hard return '\r\n' */
        END_SOFT,               /* line ends with a soft return '\r\r\n' */
        END_RICH                /* line ends with a single '\n' */

Function Documentation

DefWindowProcT()

static LRESULT DefWindowProcT ( HWND  hwnd, UINT  msg, WPARAM  wParam, LPARAM  lParam, BOOL  unicode  )

inlinestatic

Definition at line 4805 of file edit.c.

{
    if(unicode)
        return DefWindowProcW(hwnd, msg, wParam, lParam);
    else
        return DefWindowProcA(hwnd, msg, wParam, lParam);

Referenced by EditWndProc_common().

EDIT_AdjustFormatRect()

static void EDIT_AdjustFormatRect ( EDITSTATE *  es )

static

Definition at line 2413 of file edit.c.

{
    RECT ClientRect;
 
    es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width);
    if (es->style & ES_MULTILINE)
    {
        INT fw, vlc, max_x_offset, max_y_offset;
 
        vlc = get_vertical_line_count(es);
        es->format_rect.bottom = es->format_rect.top + vlc * es->line_height;
 
        /* correct es->x_offset */
        fw = es->format_rect.right - es->format_rect.left;
        max_x_offset = es->text_width - fw;
        if(max_x_offset < 0) max_x_offset = 0;
        if(es->x_offset > max_x_offset)
        es->x_offset = max_x_offset;
 
        /* correct es->y_offset */
        max_y_offset = es->line_count - vlc;
        if(max_y_offset < 0) max_y_offset = 0;
        if(es->y_offset > max_y_offset)
        es->y_offset = max_y_offset;
 
        /* force scroll info update */
        EDIT_UpdateScrollInfo(es);
    }
    else
        {
            /* Windows doesn't care to fix text placement for SL controls */
            es->format_rect.bottom = es->format_rect.top + es->line_height;
 
            /* Always stay within the client area */
            GetClientRect(es->hwndSelf, &ClientRect);
            es->format_rect.bottom = min(es->format_rect.bottom, ClientRect.bottom);
        }
 
    if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL))
        EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
 
    EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP);

EDIT_BuildLineDefs_ML()

static void EDIT_BuildLineDefs_ML ( EDITSTATE *  es, INT  istart, INT  iend, INT  delta, HRGN  hrgn  )

static

Definition at line 526 of file edit.c.

{
    LPWSTR current_position, cp;
    INT fw;
    LINEDEF *current_line;
    LINEDEF *previous_line;
    LINEDEF *start_line;
    INT line_index = 0, nstart_line, nstart_index;
    INT line_count = es->line_count;
    INT orig_net_length;
    RECT rc;
    INT vlc;
 
    if (istart == iend && delta == 0)
        return;
 
    previous_line = NULL;
    current_line = es->first_line_def;
 
    /* Find starting line. istart must lie inside an existing line or
     * at the end of buffer */
    do {
        if (istart < current_line->index + current_line->length ||
                current_line->ending == END_0)
            break;
 
        previous_line = current_line;
        current_line = current_line->next;
        line_index++;
    } while (current_line);
 
    if (!current_line) /* Error occurred start is not inside previous buffer */
    {
        FIXME(" modification occurred outside buffer\n");
        return;
    }
 
    /* Remember start of modifications in order to calculate update region */
    nstart_line = line_index;
    nstart_index = current_line->index;
 
    /* We must start to reformat from the previous line since the modifications
     * may have caused the line to wrap upwards. */
    if (!(es->style & ES_AUTOHSCROLL) && line_index > 0)
    {
        line_index--;
        current_line = previous_line;
    }
    start_line = current_line;
 
    fw = es->format_rect.right - es->format_rect.left;
    current_position = es->text + current_line->index;
    vlc = get_vertical_line_count(es);
    do {
        if (current_line != start_line)
        {
            if (!current_line || current_line->index + delta > current_position - es->text)
            {
                /* The buffer has been expanded, create a new line and
                   insert it into the link list */
                LINEDEF *new_line = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF));
#ifdef __REACTOS__
                /* ReactOS r33503 */
                if (new_line == NULL)
                    break;
#endif
                new_line->next = previous_line->next;
                previous_line->next = new_line;
                current_line = new_line;
                es->line_count++;
            }
            else if (current_line->index + delta < current_position - es->text)
            {
                /* The previous line merged with this line so we delete this extra entry */
                previous_line->next = current_line->next;
                HeapFree(GetProcessHeap(), 0, current_line);
                current_line = previous_line->next;
                es->line_count--;
                continue;
            }
            else /* current_line->index + delta == current_position */
            {
                if (current_position - es->text > iend)
                    break; /* We reached end of line modifications */
                /* else recalculate this line */
            }
        }
 
        current_line->index = current_position - es->text;
        orig_net_length = current_line->net_length;
 
        /* Find end of line */
        cp = current_position;
        while (*cp) {
                    if (*cp == '\n') break;
                    if ((*cp == '\r') && (*(cp + 1) == '\n'))
                        break;
                    cp++;
        }
 
        /* Mark type of line termination */
        if (!(*cp)) {
            current_line->ending = END_0;
            current_line->net_length = lstrlenW(current_position);
        } else if ((cp > current_position) && (*(cp - 1) == '\r')) {
            current_line->ending = END_SOFT;
            current_line->net_length = cp - current_position - 1;
                } else if (*cp == '\n') {
            current_line->ending = END_RICH;
            current_line->net_length = cp - current_position;
        } else {
            current_line->ending = END_HARD;
            current_line->net_length = cp - current_position;
        }
 
        if (current_line->net_length)
        {
            const SIZE *sz;
            EDIT_InvalidateUniscribeData_linedef(current_line);
            EDIT_UpdateUniscribeData_linedef(es, NULL, current_line);
            if (current_line->ssa)
            {
                sz = ScriptString_pSize(current_line->ssa);
                /* Calculate line width */
                current_line->width = sz->cx;
            }
            else current_line->width = es->char_width * current_line->net_length;
        }
        else current_line->width = 0;
 
        /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
 
/* Line breaks just look back from the end and find the next break and try that. */
 
        if (!(es->style & ES_AUTOHSCROLL)) {
           if (current_line->width > fw && fw > es->char_width) {
 
            INT prev, next;
            int w;
            const SIZE *sz;
            float d;
 
            prev = current_line->net_length - 1;
            w = current_line->net_length;
            d = (float)current_line->width/(float)fw;
            if (d > 1.2f) d -= 0.2f;
            next = prev/d;
            if (next >= prev) next = prev-1;
            do {
                prev = EDIT_CallWordBreakProc(es, current_position - es->text,
                        next, current_line->net_length, WB_LEFT);
                current_line->net_length = prev;
                EDIT_InvalidateUniscribeData_linedef(current_line);
                EDIT_UpdateUniscribeData_linedef(es, NULL, current_line);
                if (current_line->ssa)
                    sz = ScriptString_pSize(current_line->ssa);
                else sz = 0;
                if (sz)
                    current_line->width = sz->cx;
                else
                    prev = 0;
                next = prev - 1;
            } while (prev && current_line->width > fw);
            current_line->net_length = w;
 
            if (prev == 0) { /* Didn't find a line break so force a break */
                INT *piDx;
                const INT *count;
 
                EDIT_InvalidateUniscribeData_linedef(current_line);
                EDIT_UpdateUniscribeData_linedef(es, NULL, current_line);
 
                if (current_line->ssa)
                {
                    count = ScriptString_pcOutChars(current_line->ssa);
                    piDx = HeapAlloc(GetProcessHeap(),0,sizeof(INT) * (*count));
                    ScriptStringGetLogicalWidths(current_line->ssa,piDx);
 
                    prev = current_line->net_length-1;
                    do {
                        current_line->width -= piDx[prev];
                        prev--;
                    } while ( prev > 0 && current_line->width > fw);
                    if (prev<=0)
                        prev = 1;
                    HeapFree(GetProcessHeap(),0,piDx);
                }
                else
                    prev = (fw / es->char_width);
            }
 
            /* If the first line we are calculating, wrapped before istart, we must
             * adjust istart in order for this to be reflected in the update region. */
            if (current_line->index == nstart_index && istart > current_line->index + prev)
                istart = current_line->index + prev;
            /* else if we are updating the previous line before the first line we
             * are re-calculating and it expanded */
            else if (current_line == start_line &&
                    current_line->index != nstart_index && orig_net_length < prev)
            {
              /* Line expanded due to an upwards line wrap so we must partially include
               * previous line in update region */
                nstart_line = line_index;
                nstart_index = current_line->index;
                istart = current_line->index + orig_net_length;
            }
 
            current_line->net_length = prev;
            current_line->ending = END_WRAP;
 
            if (current_line->net_length > 0)
            {
                EDIT_UpdateUniscribeData_linedef(es, NULL, current_line);
                if (current_line->ssa)
                {
                    sz = ScriptString_pSize(current_line->ssa);
                    current_line->width = sz->cx;
                }
                else
                    current_line->width = 0;
            }
            else current_line->width = 0;
            }
            else if (current_line == start_line &&
                             current_line->index != nstart_index &&
                             orig_net_length < current_line->net_length) {
            /* The previous line expanded but it's still not as wide as the client rect */
            /* The expansion is due to an upwards line wrap so we must partially include
               it in the update region */
            nstart_line = line_index;
            nstart_index = current_line->index;
            istart = current_line->index + orig_net_length;
            }
        }
 
 
        /* Adjust length to include line termination */
        switch (current_line->ending) {
        case END_SOFT:
            current_line->length = current_line->net_length + 3;
            break;
                case END_RICH:
            current_line->length = current_line->net_length + 1;
            break;
        case END_HARD:
            current_line->length = current_line->net_length + 2;
            break;
        case END_WRAP:
        case END_0:
            current_line->length = current_line->net_length;
            break;
        }
        es->text_width = max(es->text_width, current_line->width);
        current_position += current_line->length;
        previous_line = current_line;
 
        /* Discard data for non-visible lines. It will be calculated as needed */
        if ((line_index < es->y_offset) || (line_index > es->y_offset + vlc))
            EDIT_InvalidateUniscribeData_linedef(current_line);
 
        current_line = current_line->next;
        line_index++;
    } while (previous_line->ending != END_0);
 
    /* Finish adjusting line indexes by delta or remove hanging lines */
    if (previous_line->ending == END_0)
    {
        LINEDEF *pnext = NULL;
 
        previous_line->next = NULL;
        while (current_line)
        {
            pnext = current_line->next;
            EDIT_InvalidateUniscribeData_linedef(current_line);
            HeapFree(GetProcessHeap(), 0, current_line);
            current_line = pnext;
            es->line_count--;
        }
    }
    else if (delta != 0)
    {
        while (current_line)
        {
            current_line->index += delta;
            current_line = current_line->next;
        }
    }
 
    /* Calculate rest of modification rectangle */
    if (hrgn)
    {
        HRGN tmphrgn;
       /*
        * We calculate two rectangles. One for the first line which may have
        * an indent with respect to the format rect. The other is a format-width
        * rectangle that spans the rest of the lines that changed or moved.
        */
        rc.top = es->format_rect.top + nstart_line * es->line_height -
            (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
        rc.bottom = rc.top + es->line_height;
        if ((es->style & ES_CENTER) || (es->style & ES_RIGHT))
            rc.left = es->format_rect.left;
        else
#ifdef __REACTOS__ /* CORE-11475 */
            rc.left = (short)LOWORD(EDIT_EM_PosFromChar(es, nstart_index, FALSE));
#else
                        rc.left = LOWORD(EDIT_EM_PosFromChar(es, nstart_index, FALSE));
#endif
        rc.right = es->format_rect.right;
        SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);
 
        rc.top = rc.bottom;
        rc.left = es->format_rect.left;
        rc.right = es->format_rect.right;
       /*
        * If lines were added or removed we must re-paint the remainder of the
        * lines since the remaining lines were either shifted up or down.
        */
        if (line_count < es->line_count) /* We added lines */
            rc.bottom = es->line_count * es->line_height;
        else if (line_count > es->line_count) /* We removed lines */
            rc.bottom = line_count * es->line_height;
        else
            rc.bottom = line_index * es->line_height;
        rc.bottom += es->format_rect.top;
        rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
        tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
        CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR);
        DeleteObject(tmphrgn);
    }

EDIT_CalcLineWidth_SL()

static void EDIT_CalcLineWidth_SL ( EDITSTATE *  es )

static

Definition at line 863 of file edit.c.

{
    EDIT_UpdateUniscribeData(es, NULL, 0);
    if (es->ssa)
    {
        const SIZE *size;
        size = ScriptString_pSize(es->ssa);
        es->text_width = size->cx;
    }
    else
        es->text_width = 0;

EDIT_CallWordBreakProc()

static INT EDIT_CallWordBreakProc ( EDITSTATE *  es, INT  start, INT  index, INT  count, INT  action  )

static

Definition at line 335 of file edit.c.

{
    INT ret;
 
        if (es->word_break_proc)
        {
        if(es->is_unicode)
        {
        EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc;
 
        TRACE_(relay)("\1Call wordbreakW %p (str=%s,idx=%d,cnt=%d,act=%d)\n",
            es->word_break_proc, debugstr_wn(es->text + start, count), index, count, action);
        ret = wbpW(es->text + start, index, count, action);
        TRACE_(relay)("\1Ret wordbreakW %p retval=%d\n", es->word_break_proc, ret );
        }
        else
        {
        EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc;
        INT countA;
        CHAR *textA;
 
        countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
        textA = HeapAlloc(GetProcessHeap(), 0, countA);
#ifdef __REACTOS__
        /* ReactOS r33503 */
        if (textA == NULL) return 0;
#endif
        WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL);
        TRACE_(relay)("\1Call wordbreakA %p(str=%s,idx=%d,cnt=%d,act=%d)\n",
            es->word_break_proc, debugstr_an(textA, countA), index, countA, action);
        ret = wbpA(textA, index, countA, action);
        HeapFree(GetProcessHeap(), 0, textA);
        TRACE_(relay)("\1Ret wordbreakA %p retval=%d\n", es->word_break_proc, ret );
        }
        }
    else
            ret = EDIT_WordBreakProc(es, es->text, index+start, count+start, action) - start;
 
    return ret;

EDIT_CharFromPos()

static INT EDIT_CharFromPos ( EDITSTATE *  es, INT  x, INT  y, LPBOOL  after_wrap  )

static

Definition at line 886 of file edit.c.

{
    INT index;
 
    if (es->style & ES_MULTILINE) {
        int trailing;
        INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
        INT line_index = 0;
        LINEDEF *line_def = es->first_line_def;
        EDIT_UpdateUniscribeData(es, NULL, line);
        while ((line > 0) && line_def->next) {
            line_index += line_def->length;
            line_def = line_def->next;
            line--;
        }
 
        x += es->x_offset - es->format_rect.left;
        if (es->style & ES_RIGHT)
            x -= (es->format_rect.right - es->format_rect.left) - line_def->width;
        else if (es->style & ES_CENTER)
            x -= ((es->format_rect.right - es->format_rect.left) - line_def->width) / 2;
        if (x >= line_def->width) {
            if (after_wrap)
                *after_wrap = (line_def->ending == END_WRAP);
            return line_index + line_def->net_length;
        }
        if (x <= 0 || !line_def->ssa) {
            if (after_wrap)
                *after_wrap = FALSE;
            return line_index;
        }
 
        ScriptStringXtoCP(line_def->ssa, x , &index, &trailing);
        if (trailing) index++;
        index += line_index;
        if (after_wrap)
            *after_wrap = ((index == line_index + line_def->net_length) &&
                            (line_def->ending == END_WRAP));
    } else {
        INT xoff = 0;
        INT trailing;
        if (after_wrap)
            *after_wrap = FALSE;
        x -= es->format_rect.left;
        if (!x)
            return es->x_offset;
 
        if (!es->x_offset)
        {
            INT indent = (es->format_rect.right - es->format_rect.left) - es->text_width;
            if (es->style & ES_RIGHT)
                x -= indent;
            else if (es->style & ES_CENTER)
                x -= indent / 2;
        }
 
        EDIT_UpdateUniscribeData(es, NULL, 0);
        if (es->x_offset)
        {
            if (es->ssa)
            {
                if (es->x_offset>= get_text_length(es))
                {
                    const SIZE *size;
                    size = ScriptString_pSize(es->ssa);
                    xoff = size->cx;
                }
                ScriptStringCPtoX(es->ssa, es->x_offset, FALSE, &xoff);
            }
            else
                xoff = 0;
        }
        if (x < 0)
        {
            if (x + xoff > 0 || !es->ssa)
            {
                ScriptStringXtoCP(es->ssa, x+xoff, &index, &trailing);
                if (trailing) index++;
            }
            else
                index = 0;
        }
        else
        {
            if (x)
            {
                const SIZE *size = NULL;
                if (es->ssa)
                    size = ScriptString_pSize(es->ssa);
                if (!size)
                    index = 0;
                else if (x > size->cx)
                    index = get_text_length(es);
                else if (es->ssa)
                {
                    ScriptStringXtoCP(es->ssa, x+xoff, &index, &trailing);
                    if (trailing) index++;
                }
                else
                    index = 0;
            }
            else
                index = es->x_offset;
        }
    }
    return index;

EDIT_CheckCombo()

static BOOL EDIT_CheckCombo ( EDITSTATE *  es, UINT  msg, INT  key  )

static

Definition at line 3564 of file edit.c.

{
   HWND hLBox = es->hwndListBox;
   HWND hCombo;
   BOOL bDropped;
   int  nEUI;
 
   if (!hLBox)
      return FALSE;
 
   hCombo   = GetParent(es->hwndSelf);
   bDropped = TRUE;
   nEUI     = 0;
 
   TRACE_(combo)("[%p]: handling msg %x (%x)\n", es->hwndSelf, msg, key);
 
   if (key == VK_UP || key == VK_DOWN)
   {
      if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0))
         nEUI = 1;
 
      if (msg == WM_KEYDOWN || nEUI)
          bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0);
   }
 
   switch (msg)
   {
      case WM_KEYDOWN:
         if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN))
         {
            /* make sure ComboLBox pops up */
            SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0);
            key = VK_F4;
            nEUI = 2;
         }
 
         SendMessageW(hLBox, WM_KEYDOWN, key, 0);
         break;
 
      case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */
         if (nEUI)
            SendMessageW(hCombo, CB_SHOWDROPDOWN, !bDropped, 0);
         else
            SendMessageW(hLBox, WM_KEYDOWN, VK_F4, 0);
         break;
   }
 
   if(nEUI == 2)
      SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0);
 
   return TRUE;

EDIT_ConfinePoint()

static void EDIT_ConfinePoint ( const EDITSTATE *  es, LPINT  x, LPINT  y  )

static

Definition at line 1003 of file edit.c.

{
    *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1);
    *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1);

EDIT_ContextMenuCommand()

static void EDIT_ContextMenuCommand ( EDITSTATE *  es, UINT  id  )

static

Definition at line 3425 of file edit.c.

{
    switch (id) {
        case EM_UNDO:
                        SendMessageW(es->hwndSelf, WM_UNDO, 0, 0);
            break;
        case WM_CUT:
                        SendMessageW(es->hwndSelf, WM_CUT, 0, 0);
            break;
        case WM_COPY:
                        SendMessageW(es->hwndSelf, WM_COPY, 0, 0);
            break;
        case WM_PASTE:
                        SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
            break;
        case WM_CLEAR:
                        SendMessageW(es->hwndSelf, WM_CLEAR, 0, 0);
            break;
        case EM_SETSEL:
                        SendMessageW(es->hwndSelf, EM_SETSEL, 0, -1);
            break;
        default:
            ERR("unknown menu item, please report\n");
            break;
    }

EDIT_EM_CanUndo()

static BOOL EDIT_EM_CanUndo ( const EDITSTATE *  es )

inlinestatic

Definition at line 181 of file edit.c.

{
    return (es->undo_insert_count || lstrlenW(es->undo_text));

EDIT_EM_CharFromPos()

static LRESULT EDIT_EM_CharFromPos ( EDITSTATE *  es, INT  x, INT  y  )

static

Definition at line 2535 of file edit.c.

{
    POINT pt;
    RECT rc;
    INT index;
 
    pt.x = x;
    pt.y = y;
    GetClientRect(es->hwndSelf, &rc);
    if (!PtInRect(&rc, pt))
        return -1;
 
    index = EDIT_CharFromPos(es, x, y, NULL);
    return MAKELONG(index, EDIT_EM_LineFromChar(es, index));

EDIT_EM_EmptyUndoBuffer()

static void EDIT_EM_EmptyUndoBuffer ( EDITSTATE *  es )

inlinestatic

Definition at line 192 of file edit.c.

{
    es->undo_insert_count = 0;
    *es->undo_text = '\0';

EDIT_EM_FmtLines()

static BOOL EDIT_EM_FmtLines ( EDITSTATE *  es, BOOL  add_eol  )

static

Definition at line 2563 of file edit.c.

{
    es->flags &= ~EF_USE_SOFTBRK;
    if (add_eol) {
        es->flags |= EF_USE_SOFTBRK;
        FIXME("soft break enabled, not implemented\n");
    }
    return add_eol;

EDIT_EM_GetHandle()

static HLOCAL EDIT_EM_GetHandle ( EDITSTATE *  es )

static

Definition at line 2585 of file edit.c.

{
    HLOCAL hLocal;
 
    if (!(es->style & ES_MULTILINE))
        return 0;
 
    if(es->is_unicode)
        hLocal = es->hloc32W;
    else
    {
        if(!es->hloc32A)
        {
        CHAR *textA;
        UINT countA, alloc_size;
        TRACE("Allocating 32-bit ANSI alias buffer\n");
        countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
        alloc_size = ROUND_TO_GROW(countA);
        if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
        {
            ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size);
            return 0;
        }
        textA = LocalLock(es->hloc32A);
        WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
        LocalUnlock(es->hloc32A);
        }
        hLocal = es->hloc32A;
    }
 
        EDIT_UnlockBuffer(es, TRUE);
 
        /* The text buffer handle belongs to the app */
        es->hlocapp = hLocal;
 
    TRACE("Returning %p, LocalSize() = %Id\n", hLocal, LocalSize(hLocal));
    return hLocal;

EDIT_EM_GetLine()

static INT EDIT_EM_GetLine ( EDITSTATE *  es, INT  line, LPWSTR  dst, BOOL  unicode  )

static

Definition at line 2630 of file edit.c.

{
    LPWSTR src;
    INT line_len, dst_len;
    INT i;
 
    if (es->style & ES_MULTILINE) {
        if (line >= es->line_count)
            return 0;
    } else
        line = 0;
    i = EDIT_EM_LineIndex(es, line);
    src = es->text + i;
    line_len = EDIT_EM_LineLength(es, i);
    dst_len = *(WORD *)dst;
    if(unicode)
    {
        if(dst_len <= line_len)
        {
        memcpy(dst, src, dst_len * sizeof(WCHAR));
        return dst_len;
        }
        else /* Append 0 if enough space */
        {
        memcpy(dst, src, line_len * sizeof(WCHAR));
        dst[line_len] = 0;
        return line_len;
        }
    }
    else
    {
        INT ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, (LPSTR)dst, dst_len, NULL, NULL);
        if(!ret && line_len) /* Insufficient buffer size */
        return dst_len;
        if(ret < dst_len) /* Append 0 if enough space */
        ((LPSTR)dst)[ret] = 0;
        return ret;
    }

EDIT_EM_GetSel()

static LRESULT EDIT_EM_GetSel ( const EDITSTATE *  es, PUINT  start, PUINT  end  )

static

Definition at line 2676 of file edit.c.

{
    UINT s = es->selection_start;
    UINT e = es->selection_end;
 
    ORDER_UINT(s, e);
    if (start)
        *start = s;
    if (end)
        *end = e;
    return MAKELONG(s, e);

EDIT_EM_GetThumb()

static LRESULT EDIT_EM_GetThumb ( EDITSTATE *  es )

static

Definition at line 4557 of file edit.c.

{
    return MAKELONG(EDIT_WM_VScroll(es, EM_GETTHUMB, 0),
                        EDIT_WM_HScroll(es, EM_GETTHUMB, 0));

EDIT_EM_LineFromChar()

static INT EDIT_EM_LineFromChar ( EDITSTATE *  es, INT  index  )

static

Definition at line 1015 of file edit.c.

{
    INT line;
    LINEDEF *line_def;
 
    if (!(es->style & ES_MULTILINE))
        return 0;
    if (index > (INT)get_text_length(es))
        return es->line_count - 1;
    if (index == -1)
        index = min(es->selection_start, es->selection_end);
 
    line = 0;
    line_def = es->first_line_def;
    index -= line_def->length;
    while ((index >= 0) && line_def->next) {
        line++;
        line_def = line_def->next;
        index -= line_def->length;
    }
    return line;

EDIT_EM_LineIndex()

static INT EDIT_EM_LineIndex ( const EDITSTATE *  es, INT  line  )

static

Definition at line 1044 of file edit.c.

{
    INT line_index;
    const LINEDEF *line_def;
 
    if (!(es->style & ES_MULTILINE))
        return 0;
    if (line >= es->line_count)
        return -1;
 
    line_index = 0;
    line_def = es->first_line_def;
    if (line == -1) {
        INT index = es->selection_end - line_def->length;
        while ((index >= 0) && line_def->next) {
            line_index += line_def->length;
            line_def = line_def->next;
            index -= line_def->length;
        }
    } else {
        while (line > 0) {
            line_index += line_def->length;
            line_def = line_def->next;
            line--;
        }
    }
    return line_index;

EDIT_EM_LineLength()

static INT EDIT_EM_LineLength ( EDITSTATE *  es, INT  index  )

static

Definition at line 1079 of file edit.c.

{
    LINEDEF *line_def;
 
    if (!(es->style & ES_MULTILINE))
        return get_text_length(es);
 
    if (index == -1) {
        /* get the number of remaining non-selected chars of selected lines */
        INT32 l; /* line number */
        INT32 li; /* index of first char in line */
        INT32 count;
        l = EDIT_EM_LineFromChar(es, es->selection_start);
        /* # chars before start of selection area */
        count = es->selection_start - EDIT_EM_LineIndex(es, l);
        l = EDIT_EM_LineFromChar(es, es->selection_end);
        /* # chars after end of selection */
        li = EDIT_EM_LineIndex(es, l);
        count += li + EDIT_EM_LineLength(es, li) - es->selection_end;
        return count;
    }
    line_def = es->first_line_def;
    index -= line_def->length;
    while ((index >= 0) && line_def->next) {
        line_def = line_def->next;
        index -= line_def->length;
    }
    return line_def->net_length;

EDIT_EM_LineScroll()

static BOOL EDIT_EM_LineScroll ( EDITSTATE *  es, INT  dx, INT  dy  )

static

Definition at line 1823 of file edit.c.

{
    if (!(es->style & ES_MULTILINE))
        return FALSE;
 
    dx *= es->char_width;
    return EDIT_EM_LineScroll_internal(es, dx, dy);

EDIT_EM_LineScroll_internal()

static BOOL EDIT_EM_LineScroll_internal ( EDITSTATE *  es, INT  dx, INT  dy  )

static

Definition at line 1763 of file edit.c.

{
    INT nyoff;
    INT x_offset_in_pixels;
    INT lines_per_page;
 
    if (!es->line_height || !es->char_width)
        return TRUE;
 
    lines_per_page = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
 
    if (es->style & ES_MULTILINE)
    {
        x_offset_in_pixels = es->x_offset;
    }
    else
    {
        dy = 0;
        x_offset_in_pixels = (short)LOWORD(EDIT_EM_PosFromChar(es, es->x_offset, FALSE));
    }
 
    if (-dx > x_offset_in_pixels)
        dx = -x_offset_in_pixels;
    if (dx > es->text_width - x_offset_in_pixels)
        dx = es->text_width - x_offset_in_pixels;
    nyoff = max(0, es->y_offset + dy);
    if (nyoff >= es->line_count - lines_per_page)
        nyoff = max(0, es->line_count - lines_per_page);
    dy = (es->y_offset - nyoff) * es->line_height;
    if (dx || dy) {
        RECT rc1;
        RECT rc;
 
        es->y_offset = nyoff;
        if(es->style & ES_MULTILINE)
            es->x_offset += dx;
        else
            es->x_offset += dx / es->char_width;
 
        GetClientRect(es->hwndSelf, &rc1);
        IntersectRect(&rc, &rc1, &es->format_rect);
                NtUserScrollWindowEx(es->hwndSelf, -dx, dy,
                                     NULL, &rc, NULL, NULL, SW_INVALIDATE);
        /* force scroll info update */
        EDIT_UpdateScrollInfo(es);
    }
    if (dx && !(es->flags & EF_HSCROLL_TRACK))
        notify_parent(es, EN_HSCROLL);
    if (dy && !(es->flags & EF_VSCROLL_TRACK))
        notify_parent(es, EN_VSCROLL);
    return TRUE;

EDIT_EM_PosFromChar()

static LRESULT EDIT_EM_PosFromChar ( EDITSTATE *  es, INT  index, BOOL  after_wrap  )

static

Definition at line 1115 of file edit.c.

{
    INT len = get_text_length(es);
    INT l;
    INT li;
    INT x = 0;
    INT y = 0;
    INT w;
    INT lw;
    LINEDEF *line_def;
 
    index = min(index, len);
    if (es->style & ES_MULTILINE) {
        l = EDIT_EM_LineFromChar(es, index);
        EDIT_UpdateUniscribeData(es, NULL, l);
 
        y = (l - es->y_offset) * es->line_height;
        li = EDIT_EM_LineIndex(es, l);
        if (after_wrap && (li == index) && l) {
            INT l2 = l - 1;
            line_def = es->first_line_def;
            while (l2) {
                line_def = line_def->next;
                l2--;
            }
            if (line_def->ending == END_WRAP) {
                l--;
                y -= es->line_height;
                li = EDIT_EM_LineIndex(es, l);
            }
        }
 
        line_def = es->first_line_def;
        while (line_def->index != li)
            line_def = line_def->next;
 
        lw = line_def->width;
        w = es->format_rect.right - es->format_rect.left;
        if (line_def->ssa)
            ScriptStringCPtoX(line_def->ssa, (index - 1) - li, TRUE, &x);
#ifdef __REACTOS__ /* CORE-15780 */
        x = (lw > 0 ? es->x_offset : x - es->x_offset);
#else
        x -= es->x_offset;
#endif
 
        if (es->style & ES_RIGHT)
            x = w - (lw - x);
        else if (es->style & ES_CENTER)
            x += (w - lw) / 2;
    } else {
        INT xoff = 0;
        INT xi = 0;
        EDIT_UpdateUniscribeData(es, NULL, 0);
        if (es->x_offset)
        {
            if (es->ssa)
            {
                if (es->x_offset >= get_text_length(es))
                {
                    int leftover = es->x_offset - get_text_length(es);
                    if (es->ssa)
                    {
                        const SIZE *size;
                        size = ScriptString_pSize(es->ssa);
                        xoff = size->cx;
                    }
                    else
                        xoff = 0;
                    xoff += es->char_width * leftover;
                }
                else
                    ScriptStringCPtoX(es->ssa, es->x_offset, FALSE, &xoff);
            }
            else
                xoff = 0;
        }
        if (index)
        {
            if (index >= get_text_length(es))
            {
                if (es->ssa)
                {
                    const SIZE *size;
                    size = ScriptString_pSize(es->ssa);
                    xi = size->cx;
                }
                else
                    xi = 0;
            }
            else if (es->ssa)
                ScriptStringCPtoX(es->ssa, index, FALSE, &xi);
            else
                xi = 0;
        }
        x = xi - xoff;
 
        if (index >= es->x_offset) {
            if (!es->x_offset && (es->style & (ES_RIGHT | ES_CENTER)))
            {
                w = es->format_rect.right - es->format_rect.left;
                if (w > es->text_width)
                {
                    if (es->style & ES_RIGHT)
                        x += w - es->text_width;
                    else if (es->style & ES_CENTER)
                        x += (w - es->text_width) / 2;
                }
            }
        }
        y = 0;
    }
    x += es->format_rect.left;
    y += es->format_rect.top;
    return MAKELONG((INT16)x, (INT16)y);

EDIT_EM_ReplaceSel()

static void EDIT_EM_ReplaceSel ( EDITSTATE *  es, BOOL  can_undo, const WCHAR *  lpsz_replace, UINT  strl, BOOL  send_update, BOOL  honor_limit  )

static

Definition at line 2697 of file edit.c.

{
    UINT tl = get_text_length(es);
    UINT utl;
    UINT s;
    UINT e;
    UINT i;
    UINT size;
    LPWSTR p;
    HRGN hrgn = 0;
    LPWSTR buf = NULL;
    UINT bufl;
 
    TRACE("%s, can_undo %d, send_update %d\n",
        debugstr_wn(lpsz_replace, strl), can_undo, send_update);
 
    s = es->selection_start;
    e = es->selection_end;
 
    EDIT_InvalidateUniscribeData(es);
    if ((s == e) && !strl)
        return;
 
    ORDER_UINT(s, e);
 
    size = tl - (e - s) + strl;
    if (!size)
        es->text_width = 0;
 
    /* Issue the EN_MAXTEXT notification and continue with replacing text
         * so that buffer limit is honored. */
    if ((honor_limit) && (size > es->buffer_limit))
    {
        if (!notify_parent(es, EN_MAXTEXT)) return;
        /* Buffer limit can be smaller than the actual length of text in combobox */
        if (es->buffer_limit < (tl - (e-s)))
            strl = 0;
        else
            strl = min(strl, es->buffer_limit - (tl - (e-s)));
    }
 
    if (!EDIT_MakeFit(es, tl - (e - s) + strl))
        return;
 
    if (e != s) {
        /* there is something to be deleted */
        TRACE("deleting stuff.\n");
        bufl = e - s;
        buf = HeapAlloc(GetProcessHeap(), 0, (bufl + 1) * sizeof(WCHAR));
        if (!buf) return;
        memcpy(buf, es->text + s, bufl * sizeof(WCHAR));
        buf[bufl] = 0; /* ensure 0 termination */
        /* now delete */
        lstrcpyW(es->text + s, es->text + e);
                text_buffer_changed(es);
    }
    if (strl) {
        /* there is an insertion */
        tl = get_text_length(es);
        TRACE("inserting stuff (tl %d, strl %d, selstart %d (%s), text %s)\n", tl, strl, s, debugstr_w(es->text + s), debugstr_w(es->text));
        for (p = es->text + tl ; p >= es->text + s ; p--)
            p[strl] = p[0];
        for (i = 0 , p = es->text + s ; i < strl ; i++)
            p[i] = lpsz_replace[i];
        if(es->style & ES_UPPERCASE)
            CharUpperBuffW(p, strl);
        else if(es->style & ES_LOWERCASE)
            CharLowerBuffW(p, strl);
                text_buffer_changed(es);
    }
    if (es->style & ES_MULTILINE)
    {
        INT st = min(es->selection_start, es->selection_end);
        INT vlc = get_vertical_line_count(es);
 
        hrgn = CreateRectRgn(0, 0, 0, 0);
        EDIT_BuildLineDefs_ML(es, st, st + strl,
                strl - abs(es->selection_end - es->selection_start), hrgn);
        /* if text is too long undo all changes */
        if (honor_limit && !(es->style & ES_AUTOVSCROLL) && (es->line_count > vlc)) {
            if (strl)
                lstrcpyW(es->text + e, es->text + e + strl);
            if (e != s)
                for (i = 0 , p = es->text ; i < e - s ; i++)
                    p[i + s] = buf[i];
                        text_buffer_changed(es);
            EDIT_BuildLineDefs_ML(es, s, e,
                abs(es->selection_end - es->selection_start) - strl, hrgn);
            strl = 0;
            e = s;
            SetRectRgn(hrgn, 0, 0, 0, 0);
            if (!notify_parent(es, EN_MAXTEXT)) return;
        }
    }
    else {
        INT fw = es->format_rect.right - es->format_rect.left;
        EDIT_InvalidateUniscribeData(es);
        EDIT_CalcLineWidth_SL(es);
        /* remove chars that don't fit */
        if (honor_limit && !(es->style & ES_AUTOHSCROLL) && (es->text_width > fw)) {
            while ((es->text_width > fw) && s + strl >= s) {
                lstrcpyW(es->text + s + strl - 1, es->text + s + strl);
                strl--;
                es->text_length = -1;
                EDIT_InvalidateUniscribeData(es);
                EDIT_CalcLineWidth_SL(es);
            }
                        text_buffer_changed(es);
            if (!notify_parent(es, EN_MAXTEXT)) return;
        }
    }
 
    if (e != s) {
        if (can_undo) {
            utl = lstrlenW(es->undo_text);
            if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) {
                /* undo-buffer is extended to the right */
                EDIT_MakeUndoFit(es, utl + e - s);
                memcpy(es->undo_text + utl, buf, (e - s)*sizeof(WCHAR));
                (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */
            } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) {
                /* undo-buffer is extended to the left */
                EDIT_MakeUndoFit(es, utl + e - s);
                for (p = es->undo_text + utl ; p >= es->undo_text ; p--)
                    p[e - s] = p[0];
                for (i = 0 , p = es->undo_text ; i < e - s ; i++)
                    p[i] = buf[i];
                es->undo_position = s;
            } else {
                /* new undo-buffer */
                EDIT_MakeUndoFit(es, e - s);
                memcpy(es->undo_text, buf, (e - s)*sizeof(WCHAR));
                es->undo_text[e - s] = 0; /* ensure 0 termination */
                es->undo_position = s;
            }
            /* any deletion makes the old insertion-undo invalid */
            es->undo_insert_count = 0;
        } else
            EDIT_EM_EmptyUndoBuffer(es);
    }
    if (strl) {
        if (can_undo) {
            if ((s == es->undo_position) ||
                ((es->undo_insert_count) &&
                (s == es->undo_position + es->undo_insert_count)))
                /*
                 * insertion is new and at delete position or
                 * an extension to either left or right
                 */
                es->undo_insert_count += strl;
            else {
                /* new insertion undo */
                es->undo_position = s;
                es->undo_insert_count = strl;
                /* new insertion makes old delete-buffer invalid */
                *es->undo_text = '\0';
            }
        } else
            EDIT_EM_EmptyUndoBuffer(es);
    }
 
    HeapFree(GetProcessHeap(), 0, buf);
 
    s += strl;
 
    /* If text has been deleted and we're right or center aligned then scroll rightward */
    if (es->style & (ES_RIGHT | ES_CENTER))
    {
        INT delta = strl - abs(es->selection_end - es->selection_start);
 
        if (delta < 0 && es->x_offset)
        {
            if (abs(delta) > es->x_offset)
                es->x_offset = 0;
            else
                es->x_offset += delta;
        }
    }
 
    EDIT_EM_SetSel(es, s, s, FALSE);
    es->flags |= EF_MODIFIED;
    if (send_update) es->flags |= EF_UPDATE;
    if (hrgn)
    {
        EDIT_UpdateTextRegion(es, hrgn, TRUE);
        DeleteObject(hrgn);
    }
    else
            EDIT_UpdateText(es, NULL, TRUE);
 
    EDIT_EM_ScrollCaret(es);
 
    /* force scroll info update */
    EDIT_UpdateScrollInfo(es);
 
 
        if(send_update || (es->flags & EF_UPDATE))
    {
        es->flags &= ~EF_UPDATE;
        if (!notify_parent(es, EN_CHANGE)) return;
    }
    EDIT_InvalidateUniscribeData(es);

EDIT_EM_Scroll()

static LRESULT EDIT_EM_Scroll ( EDITSTATE *  es, INT  action  )

static

Definition at line 1838 of file edit.c.

{
    INT dy;
 
    if (!(es->style & ES_MULTILINE))
        return (LRESULT)FALSE;
 
    dy = 0;
 
    switch (action) {
    case SB_LINEUP:
        if (es->y_offset)
            dy = -1;
        break;
    case SB_LINEDOWN:
        if (es->y_offset < es->line_count - 1)
            dy = 1;
        break;
    case SB_PAGEUP:
        if (es->y_offset)
            dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height;
        break;
    case SB_PAGEDOWN:
        if (es->y_offset < es->line_count - 1)
            dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
        break;
    default:
        return (LRESULT)FALSE;
    }
    if (dy) {
        INT vlc = get_vertical_line_count(es);
        /* check if we are going to move too far */
        if(es->y_offset + dy > es->line_count - vlc)
        dy = max(es->line_count - vlc, 0) - es->y_offset;
 
        /* Notification is done in EDIT_EM_LineScroll */
        if(dy) {
        EDIT_EM_LineScroll(es, 0, dy);
        return MAKELONG(dy, TRUE);
        }
 
    }
    return (LRESULT)FALSE;

EDIT_EM_ScrollCaret()

static void EDIT_EM_ScrollCaret ( EDITSTATE *  es )

static

Definition at line 1963 of file edit.c.

{
    if (es->style & ES_MULTILINE) {
        INT l;
        INT vlc;
        INT ww;
        INT cw = es->char_width;
        INT x;
        INT dy = 0;
        INT dx = 0;
 
        l = EDIT_EM_LineFromChar(es, es->selection_end);
        x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP));
        vlc = get_vertical_line_count(es);
        if (l >= es->y_offset + vlc)
            dy = l - vlc + 1 - es->y_offset;
        if (l < es->y_offset)
            dy = l - es->y_offset;
        ww = es->format_rect.right - es->format_rect.left;
        if (x < es->format_rect.left)
            dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw;
        if (x > es->format_rect.right)
            dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw;
        if (dy || dx || (es->y_offset && (es->line_count - es->y_offset < vlc)))
        {
            /* check if we are going to move too far */
            if(es->x_offset + dx + ww > es->text_width)
            dx = es->text_width - ww - es->x_offset;
            if(dx || dy || (es->y_offset && (es->line_count - es->y_offset < vlc)))
            EDIT_EM_LineScroll_internal(es, dx, dy);
        }
    } else {
        INT x;
        INT goal;
        INT format_width;
 
        x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
        format_width = es->format_rect.right - es->format_rect.left;
        if (x < es->format_rect.left) {
            goal = es->format_rect.left + format_width / HSCROLL_FRACTION;
            do {
                es->x_offset--;
                x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
            } while ((x < goal) && es->x_offset);
            /* FIXME: use ScrollWindow() somehow to improve performance */
            EDIT_UpdateText(es, NULL, TRUE);
        } else if (x > es->format_rect.right) {
            INT x_last;
            INT len = get_text_length(es);
            goal = es->format_rect.right - format_width / HSCROLL_FRACTION;
            do {
                es->x_offset++;
                x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
                x_last = (short)LOWORD(EDIT_EM_PosFromChar(es, len, FALSE));
            } while ((x > goal) && (x_last > es->format_rect.right));
            /* FIXME: use ScrollWindow() somehow to improve performance */
            EDIT_UpdateText(es, NULL, TRUE);
        }
    }
 
    EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP);

EDIT_EM_SetHandle()

static void EDIT_EM_SetHandle ( EDITSTATE *  es, HLOCAL  hloc  )

static

Definition at line 2910 of file edit.c.

{
    if (!(es->style & ES_MULTILINE))
        return;
 
    if (!hloc) {
        WARN("called with NULL handle\n");
        return;
    }
 
#ifdef __REACTOS__
    if (es->text)
#endif
    EDIT_UnlockBuffer(es, TRUE);
 
    if(es->is_unicode)
    {
        if(es->hloc32A)
        {
        LocalFree(es->hloc32A);
        es->hloc32A = NULL;
        }
        es->hloc32W = hloc;
    }
    else
    {
        INT countW, countA;
        HLOCAL hloc32W_new;
        WCHAR *textW;
        CHAR *textA;
 
        countA = LocalSize(hloc);
        textA = LocalLock(hloc);
        countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
        if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
        {
        ERR("Could not allocate new unicode buffer\n");
        return;
        }
        textW = LocalLock(hloc32W_new);
        MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
        LocalUnlock(hloc32W_new);
        LocalUnlock(hloc);
 
        if(es->hloc32W)
        LocalFree(es->hloc32W);
 
        es->hloc32W = hloc32W_new;
        es->hloc32A = hloc;
    }
 
    es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
 
        /* The text buffer handle belongs to the control */
        es->hlocapp = NULL;
 
    EDIT_LockBuffer(es);
        text_buffer_changed(es);
 
    es->x_offset = es->y_offset = 0;
    es->selection_start = es->selection_end = 0;
    EDIT_EM_EmptyUndoBuffer(es);
    es->flags &= ~EF_MODIFIED;
    es->flags &= ~EF_UPDATE;
    EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
    EDIT_UpdateText(es, NULL, TRUE);
    EDIT_EM_ScrollCaret(es);
    /* force scroll info update */
    EDIT_UpdateScrollInfo(es);

EDIT_EM_SetLimitText()

static void EDIT_EM_SetLimitText ( EDITSTATE *  es, UINT  limit  )

static

Definition at line 2989 of file edit.c.

{
    if (!limit) limit = ~0u;
    if (!(es->style & ES_MULTILINE)) limit = min(limit, 0x7ffffffe);
    es->buffer_limit = limit;

EDIT_EM_SetMargins()

static void EDIT_EM_SetMargins ( EDITSTATE *  es, INT  action, WORD  left, WORD  right, BOOL  repaint  )

static

Definition at line 3043 of file edit.c.

{
    TEXTMETRICW tm;
    INT default_left_margin  = 0; /* in pixels */
    INT default_right_margin = 0; /* in pixels */
 
        /* Set the default margins depending on the font */
        if (es->font && (left == EC_USEFONTINFO || right == EC_USEFONTINFO)) {
            HDC dc = NtUserGetDC(es->hwndSelf);
            HFONT old_font = SelectObject(dc, es->font);
            LONG width = GdiGetCharDimensions(dc, &tm, NULL), rc_width;
            RECT rc;
 
            /* The default margins are only non zero for TrueType or Vector fonts */
            if (tm.tmPitchAndFamily & ( TMPF_VECTOR | TMPF_TRUETYPE )) {
                struct char_width_info width_info;
 
                if ((is_cjk_charset(dc) || is_cjk_font(dc)) &&
                    GetCharWidthInfo(dc, &width_info))
                {
                    default_left_margin = get_cjk_fontinfo_margin(width, width_info.min_lsb);
                    default_right_margin = get_cjk_fontinfo_margin(width, width_info.min_rsb);
                }
                else
                {
                    default_left_margin = width / 2;
                    default_right_margin = width / 2;
                }
 
                GetClientRect(es->hwndSelf, &rc);
                rc_width = !IsRectEmpty(&rc) ? rc.right - rc.left : 80;
                if (rc_width < default_left_margin + default_right_margin + width * 2) {
                    default_left_margin = es->left_margin;
                    default_right_margin = es->right_margin;
                }
            }
            SelectObject(dc, old_font);
            NtUserReleaseDC( es->hwndSelf, dc );
        }
 
    if (action & EC_LEFTMARGIN) {
        es->format_rect.left -= es->left_margin;
        if (left != EC_USEFONTINFO)
            es->left_margin = left;
        else
            es->left_margin = default_left_margin;
        es->format_rect.left += es->left_margin;
    }
 
    if (action & EC_RIGHTMARGIN) {
        es->format_rect.right += es->right_margin;
        if (right != EC_USEFONTINFO)
            es->right_margin = right;
        else
            es->right_margin = default_right_margin;
        es->format_rect.right -= es->right_margin;
    }
 
    if (action & (EC_LEFTMARGIN | EC_RIGHTMARGIN)) {
        EDIT_AdjustFormatRect(es);
        if (repaint) EDIT_UpdateText(es, NULL, TRUE);
    }
 
    TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin);

EDIT_EM_SetPasswordChar()

static BOOL EDIT_EM_SetPasswordChar ( EDITSTATE *  es, WCHAR  c  )

static

Definition at line 3116 of file edit.c.

{
    LONG style;
 
    if (es->password_char == c)
        return TRUE;
 
        style = GetWindowLongW( es->hwndSelf, GWL_STYLE );
    es->password_char = c;
    if (c) {
            SetWindowLongW( es->hwndSelf, GWL_STYLE, style | ES_PASSWORD );
            es->style |= ES_PASSWORD;
    } else {
            SetWindowLongW( es->hwndSelf, GWL_STYLE, style & ~ES_PASSWORD );
            es->style &= ~ES_PASSWORD;
    }
    EDIT_InvalidateUniscribeData(es);
    EDIT_UpdateText(es, NULL, TRUE);
    return TRUE;

EDIT_EM_SetSel()

static void EDIT_EM_SetSel ( EDITSTATE *  es, UINT  start, UINT  end, BOOL  after_wrap  )

static

Definition at line 1647 of file edit.c.

{
    UINT old_start = es->selection_start;
    UINT old_end = es->selection_end;
    UINT len = get_text_length(es);
 
    if (start == (UINT)-1) {
        start = es->selection_end;
        end = es->selection_end;
    } else {
        start = min(start, len);
        end = min(end, len);
    }
    es->selection_start = start;
    es->selection_end = end;
    if (after_wrap)
        es->flags |= EF_AFTER_WRAP;
    else
        es->flags &= ~EF_AFTER_WRAP;
    /* Compute the necessary invalidation region. */
    /* Note that we don't need to invalidate regions which have
     * "never" been selected, or those which are "still" selected.
     * In fact, every time we hit a selection boundary, we can
     * *toggle* whether we need to invalidate.  Thus we can optimize by
     * *sorting* the interval endpoints.  Let's assume that we sort them
     * in this order:
     *        start <= end <= old_start <= old_end
     * Knuth 5.3.1 (p 183) assures us that this can be done optimally
     * in 5 comparisons; i.e. it is impossible to do better than the
     * following: */
        ORDER_UINT(end, old_end);
        ORDER_UINT(start, old_start);
        ORDER_UINT(old_start, old_end);
        ORDER_UINT(start, end);
    /* Note that at this point 'end' and 'old_start' are not in order, but
     * start is definitely the min. and old_end is definitely the max. */
    if (end != old_start)
        {
/*
 * One can also do
 *          ORDER_UINT32(end, old_start);
 *          EDIT_InvalidateText(es, start, end);
 *          EDIT_InvalidateText(es, old_start, old_end);
 * in place of the following if statement.
 * (That would complete the optimal five-comparison four-element sort.)
 */
            if (old_start > end )
            {
                EDIT_InvalidateText(es, start, end);
                EDIT_InvalidateText(es, old_start, old_end);
            }
            else
            {
                EDIT_InvalidateText(es, start, old_start);
                EDIT_InvalidateText(es, end, old_end);
            }
    }
        else EDIT_InvalidateText(es, start, old_end);

EDIT_EM_SetTabStops()

static BOOL EDIT_EM_SetTabStops ( EDITSTATE *  es, INT  count, const INT *  tabs  )

static

Definition at line 3143 of file edit.c.

{
    if (!(es->style & ES_MULTILINE))
        return FALSE;
        HeapFree(GetProcessHeap(), 0, es->tabs);
    es->tabs_count = count;
    if (!count)
        es->tabs = NULL;
    else {
        es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
#ifdef __REACTOS__
        /* ReactOS r33503 */
        if (es->tabs == NULL)
        {
            es->tabs_count = 0;
            return FALSE;
        }
#endif
        memcpy(es->tabs, tabs, count * sizeof(INT));
    }
    EDIT_InvalidateUniscribeData(es);
    return TRUE;

EDIT_EM_SetWordBreakProc()

static void EDIT_EM_SetWordBreakProc ( EDITSTATE *  es, void *  wbp  )

static

Definition at line 3173 of file edit.c.

{
    if (es->word_break_proc == wbp)
        return;
 
    es->word_break_proc = wbp;
 
    if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
        EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
        EDIT_UpdateText(es, NULL, TRUE);
    }

EDIT_EM_Undo()

static BOOL EDIT_EM_Undo ( EDITSTATE *  es )

static

Definition at line 3192 of file edit.c.

{
    INT ulength;
    LPWSTR utext;
 
    /* As per MSDN spec, for a single-line edit control,
       the return value is always TRUE */
    if( es->style & ES_READONLY )
            return !(es->style & ES_MULTILINE);
 
    ulength = lstrlenW(es->undo_text);
 
    utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
#ifdef __REACTOS__
    /* ReactOS r33503 */
    if (utext == NULL)
        return FALSE;
#endif
 
    lstrcpyW(utext, es->undo_text);
 
    TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
             es->undo_insert_count, debugstr_w(utext));
 
    EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
    EDIT_EM_EmptyUndoBuffer(es);
    EDIT_EM_ReplaceSel(es, TRUE, utext, ulength, TRUE, TRUE);
    EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
        /* send the notification after the selection start and end are set */
        if (!notify_parent(es, EN_CHANGE)) return TRUE;
    EDIT_EM_ScrollCaret(es);
    HeapFree(GetProcessHeap(), 0, utext);
 
    TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
            es->undo_insert_count, debugstr_w(es->undo_text));
    return TRUE;

EDIT_GetLineRect()

static void EDIT_GetLineRect ( EDITSTATE *  es, INT  line, INT  scol, INT  ecol, LPRECT  rc  )

static

Definition at line 1241 of file edit.c.

{
    SCRIPT_STRING_ANALYSIS ssa;
    INT line_index = 0;
    INT pt1, pt2, pt3;
 
    if (es->style & ES_MULTILINE)
    {
        const LINEDEF *line_def = NULL;
        rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
        if (line >= es->line_count)
            return;
 
        line_def = es->first_line_def;
        if (line == -1) {
            INT index = es->selection_end - line_def->length;
            while ((index >= 0) && line_def->next) {
                line_index += line_def->length;
                line_def = line_def->next;
                index -= line_def->length;
            }
        } else {
            while (line > 0) {
                line_index += line_def->length;
                line_def = line_def->next;
                line--;
            }
        }
        ssa = line_def->ssa;
    }
    else
    {
        line_index = 0;
        rc->top = es->format_rect.top;
        ssa = es->ssa;
    }
 
    rc->bottom = rc->top + es->line_height;
    pt1 = (scol == 0) ? es->format_rect.left : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + scol, TRUE));
    pt2 = (ecol == -1) ? es->format_rect.right : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + ecol, TRUE));
    if (ssa)
    {
        ScriptStringCPtoX(ssa, scol, FALSE, &pt3);
        pt3+=es->format_rect.left;
    }
    else pt3 = pt1;
    rc->right = max(max(pt1 , pt2),pt3);
    rc->left = min(min(pt1, pt2),pt3);

EDIT_GetResultStr()

static void EDIT_GetResultStr ( HIMC  hIMC, EDITSTATE *  es  )

static

Definition at line 4569 of file edit.c.

{
    LONG buflen;
    LPWSTR lpResultStr;
 
    buflen = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
    if (buflen <= 0)
    {
        return;
    }
 
    lpResultStr = HeapAlloc(GetProcessHeap(),0, buflen);
    if (!lpResultStr)
    {
        ERR("Unable to alloc buffer for IME string\n");
        return;
    }
 
    ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, lpResultStr, buflen);
    EDIT_EM_ReplaceSel(es, TRUE, lpResultStr, buflen / sizeof(WCHAR), TRUE, TRUE);
    HeapFree(GetProcessHeap(),0,lpResultStr);

EDIT_ImeComposition()

static void EDIT_ImeComposition ( HWND  hwnd, LPARAM  CompFlag, EDITSTATE *  es  )

static

Definition at line 4592 of file edit.c.

{
    HIMC hIMC;
 
    hIMC = ImmGetContext(hwnd);
    if (!hIMC)
        return;
 
    if (CompFlag & GCS_RESULTSTR)
        EDIT_GetResultStr(hIMC, es);
    ImmReleaseContext(hwnd, hIMC);

EDIT_InvalidateText()

static void EDIT_InvalidateText ( EDITSTATE *  es, INT  start, INT  end  )

static

Definition at line 1617 of file edit.c.

{
    if (end == start)
        return;
 
    if (end == -1)
        end = get_text_length(es);
 
    if (end < start) {
        INT tmp = start;
        start = end;
        end = tmp;
    }
 
    if (es->style & ES_MULTILINE)
        EDIT_ML_InvalidateText(es, start, end);
    else
        EDIT_SL_InvalidateText(es, start, end);

EDIT_InvalidateUniscribeData()

static void EDIT_InvalidateUniscribeData ( EDITSTATE *  es )

inlinestatic

Definition at line 385 of file edit.c.

{
    LINEDEF *line_def = es->first_line_def;
    while (line_def)
    {
        EDIT_InvalidateUniscribeData_linedef(line_def);
        line_def = line_def->next;
    }
    if (es->ssa)
    {
        ScriptStringFree(&es->ssa);
        es->ssa = NULL;
    }

EDIT_InvalidateUniscribeData_linedef()

static void EDIT_InvalidateUniscribeData_linedef ( LINEDEF *  line_def )

inlinestatic

Definition at line 376 of file edit.c.

{
    if (line_def->ssa)
    {
        ScriptStringFree(&line_def->ssa);
        line_def->ssa = NULL;
    }

EDIT_is_valid_format_rect()

static int EDIT_is_valid_format_rect ( const EDITSTATE *  es, const RECT *  rc  )

static

Definition at line 2457 of file edit.c.

{
    if (IsRectEmpty(rc))
        return 0;
    if (es->text_width > (rc->right - rc->left) || (es->line_height * es->line_count) > (rc->bottom - rc->top))
        return 0;
    return 1;

Referenced by EDIT_SetRectNP().

EDIT_IsInsideDialog()

static BOOL EDIT_IsInsideDialog ( EDITSTATE *  es )

inlinestatic

Definition at line 3238 of file edit.c.

{
    return (es->flags & EF_DIALOGMODE);

EDIT_LockBuffer()

static void EDIT_LockBuffer ( EDITSTATE *  es )

static

Definition at line 1305 of file edit.c.

{
    if (!es->text) {
 
#ifdef __REACTOS__
/* FIXME: What is this ? */
        CHAR *textA = NULL; // ReactOS Hacked! r45670
        //UINT countA = 0;
 
        if(es->hloc32W)
        {
        if(es->hloc32A)
        {
            TRACE("Synchronizing with 32-bit ANSI buffer\n");
            textA = LocalLock(es->hloc32A);
            //countA = strlen(textA) + 1;
        }
        }
        else {
        ERR("no buffer ... please report\n");
        return;
        }
 
        if (textA) 
        {
#else
        if(!es->hloc32W) return;
 
            if(es->hloc32A)
            {
                CHAR *textA = LocalLock(es->hloc32A);
#endif
        HLOCAL hloc32W_new;
        UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
        if(countW_new > es->buffer_size + 1)
        {
            UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR));
            TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new);
            hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
            if(hloc32W_new)
            {
            es->hloc32W = hloc32W_new;
            es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1;
            TRACE("Real new size %d+1 WCHARs\n", es->buffer_size);
            }
            else
            WARN("FAILED! Will synchronize partially\n");
        }
                es->text = LocalLock(es->hloc32W);
        MultiByteToWideChar(CP_ACP, 0, textA, -1, es->text, es->buffer_size + 1);
                LocalUnlock(es->hloc32A);
        }
        else es->text = LocalLock(es->hloc32W);
    }
    es->lock_count++;

EDIT_MakeFit()

static BOOL EDIT_MakeFit ( EDITSTATE *  es, UINT  size  )

static

Definition at line 1434 of file edit.c.

{
    HLOCAL hNew32W;
 
    if (size <= es->buffer_size)
        return TRUE;
 
    TRACE("trying to ReAlloc to %d+1 characters\n", size);
 
        /* Force edit to unlock its buffer. es->text now NULL */
    EDIT_UnlockBuffer(es, TRUE);
 
    if (es->hloc32W) {
        UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
        if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT))) {
        TRACE("Old 32 bit handle %p, new handle %p\n", es->hloc32W, hNew32W);
        es->hloc32W = hNew32W;
        es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1;
        }
    }
 
    EDIT_LockBuffer(es);
 
    if (es->buffer_size < size) {
        WARN("FAILED !  We now have %d+1\n", es->buffer_size);
        notify_parent(es, EN_ERRSPACE);
        return FALSE;
    } else {
        TRACE("We now have %d+1\n", es->buffer_size);
        return TRUE;
    }

EDIT_MakeUndoFit()

static BOOL EDIT_MakeUndoFit ( EDITSTATE *  es, UINT  size  )

static

Definition at line 1475 of file edit.c.

{
    UINT alloc_size;
 
    if (size <= es->undo_buffer_size)
        return TRUE;
 
    TRACE("trying to ReAlloc to %d+1\n", size);
 
    alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
    if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size))) {
        es->undo_buffer_size = alloc_size/sizeof(WCHAR) - 1;
        return TRUE;
    }
    else
    {
        WARN("FAILED !  We now have %d+1\n", es->undo_buffer_size);
        return FALSE;
    }

EDIT_ML_InvalidateText()

static void EDIT_ML_InvalidateText ( EDITSTATE *  es, INT  start, INT  end  )

static

Definition at line 1552 of file edit.c.

{
    INT vlc = get_vertical_line_count(es);
    INT sl = EDIT_EM_LineFromChar(es, start);
    INT el = EDIT_EM_LineFromChar(es, end);
    INT sc;
    INT ec;
    RECT rc1;
    RECT rcWnd;
    RECT rcLine;
    RECT rcUpdate;
    INT l;
 
    if ((el < es->y_offset) || (sl > es->y_offset + vlc))
        return;
 
    sc = start - EDIT_EM_LineIndex(es, sl);
    ec = end - EDIT_EM_LineIndex(es, el);
    if (sl < es->y_offset) {
        sl = es->y_offset;
        sc = 0;
    }
    if (el > es->y_offset + vlc) {
        el = es->y_offset + vlc;
        ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el));
    }
    GetClientRect(es->hwndSelf, &rc1);
    IntersectRect(&rcWnd, &rc1, &es->format_rect);
    if (sl == el) {
        EDIT_GetLineRect(es, sl, sc, ec, &rcLine);
        if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
            EDIT_UpdateText(es, &rcUpdate, TRUE);
    } else {
        EDIT_GetLineRect(es, sl, sc,
                EDIT_EM_LineLength(es,
                    EDIT_EM_LineIndex(es, sl)),
                &rcLine);
        if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
            EDIT_UpdateText(es, &rcUpdate, TRUE);
        for (l = sl + 1 ; l < el ; l++) {
            EDIT_GetLineRect(es, l, 0,
                EDIT_EM_LineLength(es,
                    EDIT_EM_LineIndex(es, l)),
                &rcLine);
            if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
                EDIT_UpdateText(es, &rcUpdate, TRUE);
        }
        EDIT_GetLineRect(es, el, 0, ec, &rcLine);
        if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
            EDIT_UpdateText(es, &rcUpdate, TRUE);
    }

EDIT_MoveBackward()

static void EDIT_MoveBackward ( EDITSTATE *  es, BOOL  extend  )

static

Definition at line 2032 of file edit.c.

{
    INT e = es->selection_end;
 
    if (e) {
        e--;
        if ((es->style & ES_MULTILINE) && e &&
                (es->text[e - 1] == '\r') && (es->text[e] == '\n')) {
            e--;
            if (e && (es->text[e - 1] == '\r'))
                e--;
        }
    }
    EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
    EDIT_EM_ScrollCaret(es);

EDIT_MoveDown_ML()

static void EDIT_MoveDown_ML ( EDITSTATE *  es, BOOL  extend  )

static

Definition at line 2059 of file edit.c.

{
    INT s = es->selection_start;
    INT e = es->selection_end;
    BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
    LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
    INT x = (short)LOWORD(pos);
    INT y = (short)HIWORD(pos);
 
    e = EDIT_CharFromPos(es, x, y + es->line_height, &after_wrap);
    if (!extend)
        s = e;
    EDIT_EM_SetSel(es, s, e, after_wrap);
    EDIT_EM_ScrollCaret(es);

EDIT_MoveEnd()

static void EDIT_MoveEnd ( EDITSTATE *  es, BOOL  extend, BOOL  ctrl  )

static

Definition at line 2081 of file edit.c.

{
    BOOL after_wrap = FALSE;
    INT e;
 
    /* Pass a high value in x to make sure of receiving the end of the line */
    if (!ctrl && (es->style & ES_MULTILINE))
        e = EDIT_CharFromPos(es, 0x3fffffff,
            HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap);
    else
        e = get_text_length(es);
    EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, after_wrap);
    EDIT_EM_ScrollCaret(es);

EDIT_MoveForward()

static void EDIT_MoveForward ( EDITSTATE *  es, BOOL  extend  )

static

Definition at line 2102 of file edit.c.

{
    INT e = es->selection_end;
 
    if (es->text[e]) {
        e++;
        if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) {
            if (es->text[e] == '\n')
                e++;
            else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n'))
                e += 2;
        }
    }
    EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
    EDIT_EM_ScrollCaret(es);

EDIT_MoveHome()

static void EDIT_MoveHome ( EDITSTATE *  es, BOOL  extend, BOOL  ctrl  )

static

Definition at line 2127 of file edit.c.

{
    INT e;
 
    /* Pass the x_offset in x to make sure of receiving the first position of the line */
    if (!ctrl && (es->style & ES_MULTILINE))
        e = EDIT_CharFromPos(es, -es->x_offset,
            HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL);
    else
        e = 0;
    EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
    EDIT_EM_ScrollCaret(es);

EDIT_MovePageDown_ML()

static void EDIT_MovePageDown_ML ( EDITSTATE *  es, BOOL  extend  )

static

Definition at line 2151 of file edit.c.

{
    INT s = es->selection_start;
    INT e = es->selection_end;
    BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
    LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
    INT x = (short)LOWORD(pos);
    INT y = (short)HIWORD(pos);
 
    e = EDIT_CharFromPos(es, x,
        y + (es->format_rect.bottom - es->format_rect.top),
        &after_wrap);
    if (!extend)
        s = e;
    EDIT_EM_SetSel(es, s, e, after_wrap);
    EDIT_EM_ScrollCaret(es);

EDIT_MovePageUp_ML()

static void EDIT_MovePageUp_ML ( EDITSTATE *  es, BOOL  extend  )

static

Definition at line 2179 of file edit.c.

{
    INT s = es->selection_start;
    INT e = es->selection_end;
    BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
    LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
    INT x = (short)LOWORD(pos);
    INT y = (short)HIWORD(pos);
 
    e = EDIT_CharFromPos(es, x,
        y - (es->format_rect.bottom - es->format_rect.top),
        &after_wrap);
    if (!extend)
        s = e;
    EDIT_EM_SetSel(es, s, e, after_wrap);
    EDIT_EM_ScrollCaret(es);

EDIT_MoveUp_ML()

static void EDIT_MoveUp_ML ( EDITSTATE *  es, BOOL  extend  )

static

Definition at line 2207 of file edit.c.

{
    INT s = es->selection_start;
    INT e = es->selection_end;
    BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
    LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
    INT x = (short)LOWORD(pos);
    INT y = (short)HIWORD(pos);
 
    e = EDIT_CharFromPos(es, x, y - es->line_height, &after_wrap);
    if (!extend)
        s = e;
    EDIT_EM_SetSel(es, s, e, after_wrap);
    EDIT_EM_ScrollCaret(es);

EDIT_MoveWordBackward()

static void EDIT_MoveWordBackward ( EDITSTATE *  es, BOOL  extend  )

static

Definition at line 2229 of file edit.c.

{
    INT s = es->selection_start;
    INT e = es->selection_end;
    INT l;
    INT ll;
    INT li;
 
    l = EDIT_EM_LineFromChar(es, e);
    ll = EDIT_EM_LineLength(es, e);
    li = EDIT_EM_LineIndex(es, l);
    if (e - li == 0) {
        if (l) {
            li = EDIT_EM_LineIndex(es, l - 1);
            e = li + EDIT_EM_LineLength(es, li);
        }
    } else {
        e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
    }
    if (!extend)
        s = e;
    EDIT_EM_SetSel(es, s, e, FALSE);
    EDIT_EM_ScrollCaret(es);

EDIT_MoveWordForward()

static void EDIT_MoveWordForward ( EDITSTATE *  es, BOOL  extend  )

static

Definition at line 2260 of file edit.c.

{
    INT s = es->selection_start;
    INT e = es->selection_end;
    INT l;
    INT ll;
    INT li;
 
    l = EDIT_EM_LineFromChar(es, e);
    ll = EDIT_EM_LineLength(es, e);
    li = EDIT_EM_LineIndex(es, l);
    if (e - li == ll) {
        if ((es->style & ES_MULTILINE) && (l != es->line_count - 1))
            e = EDIT_EM_LineIndex(es, l + 1);
    } else {
        e = li + EDIT_CallWordBreakProc(es,
                li, e - li + 1, ll, WB_RIGHT);
    }
    if (!extend)
        s = e;
    EDIT_EM_SetSel(es, s, e, FALSE);
    EDIT_EM_ScrollCaret(es);

EDIT_NotifyCtlColor()

static HBRUSH EDIT_NotifyCtlColor ( EDITSTATE *  es, HDC  hdc  )

static

Definition at line 234 of file edit.c.

{
        HBRUSH hbrush;
    UINT msg;
 
        if ( get_app_version() >= 0x40000 && (!es->bEnableState || (es->style & ES_READONLY)))
        msg = WM_CTLCOLORSTATIC;
        else
        msg = WM_CTLCOLOREDIT;
 
    /* why do we notify to es->hwndParent, and we send this one to GetParent()? */
#ifdef __REACTOS__
        /* ReactOS r54259 */
        hbrush = GetControlBrush(es->hwndSelf, hdc, msg);
#else
        hbrush = (HBRUSH)SendMessageW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf);
        if (!hbrush)
            hbrush = (HBRUSH)DefWindowProcW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf);
#endif
        return hbrush;

EDIT_PaintLine()

static void EDIT_PaintLine ( EDITSTATE *  es, HDC  dc, INT  line, BOOL  rev  )

static

Definition at line 2332 of file edit.c.

{
    INT s = 0;
    INT e = 0;
    INT li = 0;
    INT ll = 0;
    INT x;
    INT y;
    LRESULT pos;
    SCRIPT_STRING_ANALYSIS ssa;
 
    if (es->style & ES_MULTILINE) {
        INT vlc = get_vertical_line_count(es);
 
        if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count))
            return;
    } else if (line)
        return;
 
    TRACE("line=%d\n", line);
 
    ssa = EDIT_UpdateUniscribeData(es, dc, line);
    pos = EDIT_EM_PosFromChar(es, EDIT_EM_LineIndex(es, line), FALSE);
    x = (short)LOWORD(pos);
    y = (short)HIWORD(pos);
 
    if (es->style & ES_MULTILINE)
    {
        int line_idx = line;
        x =  -es->x_offset;
        if (es->style & ES_RIGHT || es->style & ES_CENTER)
        {
            LINEDEF *line_def = es->first_line_def;
            int w, lw;
 
            while (line_def && line_idx)
            {
                line_def = line_def->next;
                line_idx--;
            }
            w = es->format_rect.right - es->format_rect.left;
            lw = line_def->width;
 
            if (es->style & ES_RIGHT)
                x = w - (lw - x);
            else if (es->style & ES_CENTER)
                x += (w - lw) / 2;
        }
        x += es->format_rect.left;
    }
 
    if (rev)
    {
        li = EDIT_EM_LineIndex(es, line);
        ll = EDIT_EM_LineLength(es, li);
        s = min(es->selection_start, es->selection_end);
        e = max(es->selection_start, es->selection_end);
        s = min(li + ll, max(li, s));
        e = min(li + ll, max(li, e));
    }
 
    if (ssa)
        ScriptStringOut(ssa, x, y, 0, &es->format_rect, s - li, e - li, FALSE);
    else if (rev && (s != e) &&
            ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
        x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
        x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
        x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE);
    } else
        x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE);

EDIT_PaintText()

static INT EDIT_PaintText ( EDITSTATE *  es, HDC  dc, INT  x, INT  y, INT  line, INT  col, INT  count, BOOL  rev  )

static

Definition at line 2290 of file edit.c.

{
    COLORREF BkColor;
    COLORREF TextColor;
    INT ret;
    INT li;
    INT BkMode;
    SIZE size;
 
    if (!count)
        return 0;
    BkMode = GetBkMode(dc);
    BkColor = GetBkColor(dc);
    TextColor = GetTextColor(dc);
    if (rev) {
        SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
        SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
        SetBkMode(dc, OPAQUE);
    }
    li = EDIT_EM_LineIndex(es, line);
    if (es->style & ES_MULTILINE) {
        ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
                    es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
    } else {
        TextOutW(dc, x, y, es->text + li + col, count);
        GetTextExtentPoint32W(dc, es->text + li + col, count, &size);
        ret = size.cx;
    }
    if (rev) {
        SetBkColor(dc, BkColor);
        SetTextColor(dc, TextColor);
        SetBkMode(dc, BkMode);
    }
    return ret;

EDIT_SetCaretPos()

static void EDIT_SetCaretPos ( EDITSTATE *  es, INT  pos, BOOL  after_wrap  )

static

Definition at line 1929 of file edit.c.

{
    LRESULT res;
 
    if (es->flags & EF_FOCUSED)
    {
        res = EDIT_EM_PosFromChar(es, pos, after_wrap);
#ifdef __REACTOS__
    HKL hKL = GetKeyboardLayout(0);
    POINT pt = { (short)LOWORD(res), (short)HIWORD(res) };
 
    /* Don't set caret if not focused */
    if ((es->flags & EF_FOCUSED) == 0)
        return;
 
    SetCaretPos(pt.x, pt.y);
 
    if (ImmIsIME(hKL))
        EDIT_ImmSetCompositionWindow(es, pt);
#else
        TRACE("%d - %dx%d\n", pos, (short)LOWORD(res), (short)HIWORD(res));
        NtUserSetCaretPos((short)LOWORD(res), (short)HIWORD(res));
        EDIT_UpdateImmCompositionWindow(es, (short)LOWORD(res), (short)HIWORD(res));
#endif
    }

EDIT_SetRectNP()

static void EDIT_SetRectNP ( EDITSTATE *  es, const RECT *  rc  )

static

Definition at line 2474 of file edit.c.

{
    LONG_PTR ExStyle;
    INT bw, bh;
        BOOL too_large = FALSE;
        RECT edit_rect;
 
    ExStyle = GetWindowLongPtrW(es->hwndSelf, GWL_EXSTYLE);
 
        if (EDIT_is_valid_format_rect(es, rc))
        {
            CopyRect(&es->format_rect, rc);
            GetClientRect(es->hwndSelf, &edit_rect);
            too_large = (rc->bottom - rc->top) > (edit_rect.bottom - edit_rect.top);
        }
        else
        {
            GetClientRect(es->hwndSelf, &es->format_rect);
        }
 
        if (ExStyle & WS_EX_CLIENTEDGE && !too_large) {
        es->format_rect.left++;
        es->format_rect.right--;
 
        if (es->format_rect.bottom - es->format_rect.top
            >= es->line_height + 2)
        {
            es->format_rect.top++;
            es->format_rect.bottom--;
        }
    }
    else if (es->style & WS_BORDER) {
        bw = GetSystemMetrics(SM_CXBORDER) + 1;
        bh = GetSystemMetrics(SM_CYBORDER) + 1;
        es->format_rect.left += bw;
        es->format_rect.right -= bw;
        if (es->format_rect.bottom - es->format_rect.top
          >= es->line_height + 2 * bh)
        {
            es->format_rect.top += bh;
            es->format_rect.bottom -= bh;
        }
    }
 
    es->format_rect.left += es->left_margin;
    es->format_rect.right -= es->right_margin;
    EDIT_AdjustFormatRect(es);

EDIT_SL_InvalidateText()

static void EDIT_SL_InvalidateText ( EDITSTATE *  es, INT  start, INT  end  )

static

Definition at line 1534 of file edit.c.

{
    RECT line_rect;
    RECT rc;
 
    EDIT_GetLineRect(es, 0, start, end, &line_rect);
    if (IntersectRect(&rc, &line_rect, &es->format_rect))
        EDIT_UpdateText(es, &rc, TRUE);

EDIT_UnlockBuffer()

static void EDIT_UnlockBuffer ( EDITSTATE *  es, BOOL  force  )

static

Definition at line 1368 of file edit.c.

{
    /* Edit window might be already destroyed */
    if(!IsWindow(es->hwndSelf))
    {
        WARN("edit hwnd %p already destroyed\n", es->hwndSelf);
        return;
    }
 
    if (!es->lock_count) {
        ERR("lock_count == 0 ... please report\n");
        return;
    }
    if (!es->text) {
        ERR("es->text == 0 ... please report\n");
        return;
    }
    if (force || (es->lock_count == 1)) {
        if (es->hloc32W) {
        UINT countA = 0;
        UINT countW = get_text_length(es) + 1;
 
        if(es->hloc32A)
        {
            UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
            TRACE("Synchronizing with 32-bit ANSI buffer\n");
            TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
            countA = LocalSize(es->hloc32A);
            if(countA_new > countA)
            {
            HLOCAL hloc32A_new;
            UINT alloc_size = ROUND_TO_GROW(countA_new);
            TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
            hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
            if(hloc32A_new)
            {
                es->hloc32A = hloc32A_new;
                countA = LocalSize(hloc32A_new);
                TRACE("Real new size %d bytes\n", countA);
            }
            else
                WARN("FAILED! Will synchronize partially\n");
            }
            WideCharToMultiByte(CP_ACP, 0, es->text, countW,
                                        LocalLock(es->hloc32A), countA, NULL, NULL);
                    LocalUnlock(es->hloc32A);
        }
 
        LocalUnlock(es->hloc32W);
        es->text = NULL;
        }
        else {
        ERR("no buffer ... please report\n");
        return;
        }
    }
    es->lock_count--;

EDIT_UpdateImmCompositionFont()

static void EDIT_UpdateImmCompositionFont ( EDITSTATE *  es )

static

Definition at line 4059 of file edit.c.

{
    LOGFONTW composition_font;
    HIMC himc = ImmGetContext(es->hwndSelf);
    GetObjectW(es->font, sizeof(LOGFONTW), &composition_font);
    ImmSetCompositionFontW(himc, &composition_font);
    ImmReleaseContext(es->hwndSelf, himc);

Referenced by EDIT_WM_SetFont().

EDIT_UpdateImmCompositionWindow()

static void EDIT_UpdateImmCompositionWindow ( EDITSTATE *  es, UINT  x, UINT  y  )

static

Definition at line 1910 of file edit.c.

{
    COMPOSITIONFORM form =
    {
        .dwStyle = CFS_RECT,
        .ptCurrentPos = {.x = x, .y = y},
        .rcArea = es->format_rect,
    };
    HIMC himc = ImmGetContext(es->hwndSelf);
    ImmSetCompositionWindow(himc, &form);
    ImmReleaseContext(es->hwndSelf, himc);

Referenced by EDIT_SetCaretPos().

EDIT_UpdateScrollInfo()

static void EDIT_UpdateScrollInfo ( EDITSTATE *  es )

static

Definition at line 1713 of file edit.c.

{
    if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK))
    {
    SCROLLINFO si;
    si.cbSize   = sizeof(SCROLLINFO);
    si.fMask    = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
    si.nMin     = 0;
    si.nMax     = es->line_count - 1;
    si.nPage    = es->line_height ? (es->format_rect.bottom - es->format_rect.top) / es->line_height : 0;
    si.nPos     = es->y_offset;
    TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
        si.nMin, si.nMax, si.nPage, si.nPos);
#ifdef __REACTOS__
    /* Unlike WINE, SetScrollInfo is more than just a NtUserSetScrollInfo wrapper on ReactOS. */
    SetScrollInfo(es->hwndSelf, SB_VERT, &si, TRUE);
#else
    NtUserSetScrollInfo(es->hwndSelf, SB_VERT, &si, TRUE);
#endif
    }
 
    if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK))
    {
    SCROLLINFO si;
    si.cbSize   = sizeof(SCROLLINFO);
    si.fMask    = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
    si.nMin     = 0;
    si.nMax     = es->text_width - 1;
    si.nPage    = es->format_rect.right - es->format_rect.left;
    si.nPos     = es->x_offset;
    TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
        si.nMin, si.nMax, si.nPage, si.nPos);
#ifdef __REACTOS__
    SetScrollInfo(es->hwndSelf, SB_HORZ, &si, TRUE);
#else
    NtUserSetScrollInfo(es->hwndSelf, SB_HORZ, &si, TRUE);
#endif
    }

EDIT_UpdateText()

static void EDIT_UpdateText ( EDITSTATE *  es, const RECT *  rc, BOOL  bErase  )

static

Definition at line 1517 of file edit.c.

{
    if (es->flags & EF_UPDATE) {
        es->flags &= ~EF_UPDATE;
        if (!notify_parent(es, EN_UPDATE)) return;
    }
    NtUserInvalidateRect(es->hwndSelf, rc, bErase);

EDIT_UpdateTextRegion()

static void EDIT_UpdateTextRegion ( EDITSTATE *  es, HRGN  hrgn, BOOL  bErase  )

static

Definition at line 1502 of file edit.c.

{
    if (es->flags & EF_UPDATE) {
        es->flags &= ~EF_UPDATE;
        if (!notify_parent(es, EN_UPDATE)) return;
    }
    NtUserInvalidateRgn(es->hwndSelf, hrgn, bErase);

EDIT_UpdateUniscribeData()

static SCRIPT_STRING_ANALYSIS EDIT_UpdateUniscribeData ( EDITSTATE *  es, HDC  dc, INT  line  )

static

Definition at line 459 of file edit.c.

{
    LINEDEF *line_def;
 
    if (!(es->style & ES_MULTILINE))
    {
        if (!es->ssa)
        {
            INT length = get_text_length(es);
            HFONT old_font = NULL;
            HDC udc = dc;
 
            if (!udc)
                udc = NtUserGetDC(es->hwndSelf);
            if (es->font)
                old_font = SelectObject(udc, es->font);
 
            if (es->style & ES_PASSWORD)
#ifdef __REACTOS__
                /* ReactOS r57677 */
                ScriptStringAnalyse(udc, &es->password_char, length, (3*length/2+16), -1, SSA_LINK|SSA_FALLBACK|SSA_GLYPHS|SSA_PASSWORD, -1, NULL, NULL, NULL, NULL, NULL, &es->ssa);
#else
                ScriptStringAnalyse(udc, &es->password_char, length, (1.5*length+16), -1, SSA_LINK|SSA_FALLBACK|SSA_GLYPHS|SSA_PASSWORD, -1, NULL, NULL, NULL, NULL, NULL, &es->ssa);
#endif
            else
#ifdef __REACTOS__
                /* ReactOS r57677 */
                ScriptStringAnalyse(udc, es->text, length, (3*length/2+16), -1, SSA_LINK|SSA_FALLBACK|SSA_GLYPHS, -1, NULL, NULL, NULL, NULL, NULL, &es->ssa);
#else
                ScriptStringAnalyse(udc, es->text, length, (1.5*length+16), -1, SSA_LINK|SSA_FALLBACK|SSA_GLYPHS, -1, NULL, NULL, NULL, NULL, NULL, &es->ssa);
#endif
 
            if (es->font)
                SelectObject(udc, old_font);
            if (udc != dc)
                            NtUserReleaseDC( es->hwndSelf, udc );
        }
        return es->ssa;
    }
    else
    {
        line_def = es->first_line_def;
        while (line_def && line)
        {
            line_def = line_def->next;
            line--;
        }
 
        return EDIT_UpdateUniscribeData_linedef(es,dc,line_def);
    }

EDIT_UpdateUniscribeData_linedef()

static SCRIPT_STRING_ANALYSIS EDIT_UpdateUniscribeData_linedef ( EDITSTATE *  es, HDC  dc, LINEDEF *  line_def  )

static

Definition at line 400 of file edit.c.

{
    if (!line_def)
        return NULL;
 
    if (line_def->net_length && !line_def->ssa)
    {
        int index = line_def->index;
        HFONT old_font = NULL;
        HDC udc = dc;
        SCRIPT_TABDEF tabdef;
        HRESULT hr;
 
        if (!udc)
            udc = NtUserGetDC(es->hwndSelf);
        if (es->font)
            old_font = SelectObject(udc, es->font);
 
        tabdef.cTabStops = es->tabs_count;
        tabdef.iScale = GdiGetCharDimensions(udc, NULL, NULL);
        tabdef.pTabStops = es->tabs;
        tabdef.iTabOrigin = 0;
 
        if (es->style & ES_PASSWORD)
            hr = ScriptStringAnalyse(udc, &es->password_char, line_def->net_length,
#ifdef __REACTOS__
                                                  /* ReactOS r57679 */
                                                  (3*line_def->net_length/2+16), -1,
#else
                                                  (1.5*line_def->net_length+16), -1,
#endif
                                                  SSA_LINK|SSA_FALLBACK|SSA_GLYPHS|SSA_TAB|SSA_PASSWORD, -1,
                                                  NULL, NULL, NULL, &tabdef, NULL, &line_def->ssa);
        else
            hr = ScriptStringAnalyse(udc, &es->text[index], line_def->net_length,
#ifdef __REACTOS__
                                                  /* ReactOS r57679 */
                                                  (3*line_def->net_length/2+16), -1,
#else
                                                  (1.5*line_def->net_length+16), -1,
#endif
                                                  SSA_LINK|SSA_FALLBACK|SSA_GLYPHS|SSA_TAB, -1,
                                                  NULL, NULL, NULL, &tabdef, NULL, &line_def->ssa);
 
        if (FAILED(hr))
        {
            WARN("ScriptStringAnalyse failed (%lx)\n",hr);
            line_def->ssa = NULL;
        }
 
        if (es->font)
            SelectObject(udc, old_font);
        if (udc != dc)
                    NtUserReleaseDC( es->hwndSelf, udc );
    }
 
    return line_def->ssa;

EDIT_WM_Char()

static LRESULT EDIT_WM_Char ( EDITSTATE *  es, WCHAR  c  )

static

Definition at line 3341 of file edit.c.

{
        BOOL control;
 
 
    if (es->bCaptureState)
        return 1;
 
    control = NtUserGetKeyState(VK_CONTROL) & 0x8000;
 
    switch (c) {
    case '\r':
            /* If it's not a multiline edit box, it would be ignored below.
             * For multiline edit without ES_WANTRETURN, we have to make a
             * special case.
             */
            if ((es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN))
                if (EDIT_IsInsideDialog(es))
                    break;
    case '\n':
        if (es->style & ES_MULTILINE) {
            if (es->style & ES_READONLY) {
                EDIT_MoveHome(es, FALSE, FALSE);
                EDIT_MoveDown_ML(es, FALSE);
            } else {
                EDIT_EM_ReplaceSel(es, TRUE, L"\r\n", 2, TRUE, TRUE);
            }
        }
        break;
    case '\t':
        if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY))
        {
                        if (EDIT_IsInsideDialog(es))
                            break;
            EDIT_EM_ReplaceSel(es, TRUE, L"\t", 1, TRUE, TRUE);
        }
        break;
    case VK_BACK:
        if (!(es->style & ES_READONLY) && !control) {
            if (es->selection_start != es->selection_end)
                EDIT_WM_Clear(es);
            else {
                /* delete character left of caret */
                EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
                EDIT_MoveBackward(es, TRUE);
                EDIT_WM_Clear(es);
            }
        }
        break;
    case 0x03: /* ^C */
        if (!(es->style & ES_PASSWORD))
            SendMessageW(es->hwndSelf, WM_COPY, 0, 0);
        break;
    case 0x16: /* ^V */
            if (!(es->style & ES_READONLY))
            SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
        break;
    case 0x18: /* ^X */
            if (!((es->style & ES_READONLY) || (es->style & ES_PASSWORD)))
            SendMessageW(es->hwndSelf, WM_CUT, 0, 0);
        break;
    case 0x1A: /* ^Z */
            if (!(es->style & ES_READONLY))
            SendMessageW(es->hwndSelf, WM_UNDO, 0, 0);
        break;
 
    default:
        /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
        if( (es->style & ES_NUMBER) && !( c >= '0' && c <= '9') )
            break;
 
        if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127))
            EDIT_EM_ReplaceSel(es, TRUE, &c, 1, TRUE, TRUE);
        break;
    }
    return 1;

EDIT_WM_Clear()

static void EDIT_WM_Clear ( EDITSTATE *  es )

inlinestatic

Definition at line 3314 of file edit.c.

{
    /* Protect read-only edit control from modification */
    if(es->style & ES_READONLY)
        return;
 
    EDIT_EM_ReplaceSel(es, TRUE, NULL, 0, TRUE, TRUE);

EDIT_WM_ContextMenu()

static void EDIT_WM_ContextMenu ( EDITSTATE *  es, INT  x, INT  y  )

static

Definition at line 3469 of file edit.c.

{
    HMENU menu = LoadMenuA(user32_module, "EDITMENU");
    HMENU popup = GetSubMenu(menu, 0);
    UINT start = es->selection_start;
    UINT end = es->selection_end;
        BOOL enabled;
    UINT cmd;
 
    ORDER_UINT(start, end);
 
        /* undo */
        enabled = EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY);
        NtUserEnableMenuItem( popup, 0, MF_BYPOSITION | (enabled ? MF_ENABLED : MF_GRAYED) );
        /* cut */
        enabled = (end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY);
        NtUserEnableMenuItem( popup, 2, MF_BYPOSITION | (enabled ? MF_ENABLED : MF_GRAYED) );
        /* copy */
        enabled = (end - start) && !(es->style & ES_PASSWORD);
        NtUserEnableMenuItem( popup, 3, MF_BYPOSITION | (enabled ? MF_ENABLED : MF_GRAYED) );
        /* paste */
        enabled = NtUserIsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY);
        NtUserEnableMenuItem( popup, 4, MF_BYPOSITION | (enabled ? MF_ENABLED : MF_GRAYED) );
        /* delete */
        enabled = (end - start) && !(es->style & ES_READONLY);
        NtUserEnableMenuItem( popup, 5, MF_BYPOSITION | (enabled ? MF_ENABLED : MF_GRAYED) );
        /* select all */
        enabled = start || end != get_text_length(es);
        NtUserEnableMenuItem( popup, 7, MF_BYPOSITION | (enabled ? MF_ENABLED : MF_GRAYED) );
 
        if (x == -1 && y == -1) /* passed via VK_APPS press/release */
        {
#ifdef __REACTOS__ /* Should be dropped */
            RECT rc;
 
            /* ReactOS r29811 */
            GetClientRect(es->hwndSelf, &rc);
            MapWindowPoints(es->hwndSelf, 0, (POINT *)&rc, 2);
            x = rc.left + (rc.right - rc.left) / 2;
            y = rc.top + (rc.bottom - rc.top) / 2;
#else
            POINT pt;
            RECT rc;
 
            /* Windows places the menu at the edit's center in this case */
            GetClientRect( es->hwndSelf, &rc );
            pt.x = rc.right / 2;
            pt.y = rc.bottom / 2;
            ClientToScreen( es->hwndSelf, &pt );
            x = pt.x;
            y = pt.y;
#endif
        }
 
    if (!(es->flags & EF_FOCUSED))
            NtUserSetFocus(es->hwndSelf);
 
    cmd = TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD | TPM_NONOTIFY,
                 x, y, 0, es->hwndSelf, NULL);
 
    if (cmd)
        EDIT_ContextMenuCommand(es, cmd);
 
        NtUserDestroyMenu(menu);

EDIT_WM_Copy()

static void EDIT_WM_Copy ( EDITSTATE *  es )

static

Definition at line 3285 of file edit.c.

{
    INT s = min(es->selection_start, es->selection_end);
    INT e = max(es->selection_start, es->selection_end);
    HGLOBAL hdst;
    LPWSTR dst;
    DWORD len;
 
    if (e == s) return;
 
    len = e - s;
    hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (len + 1) * sizeof(WCHAR));
    dst = GlobalLock(hdst);
    memcpy(dst, es->text + s, len * sizeof(WCHAR));
    dst[len] = 0; /* ensure 0 termination */
    TRACE("%s\n", debugstr_w(dst));
    GlobalUnlock(hdst);
    OpenClipboard(es->hwndSelf);
    NtUserEmptyClipboard();
    SetClipboardData(CF_UNICODETEXT, hdst);
    NtUserCloseClipboard();

EDIT_WM_Create()

static LRESULT EDIT_WM_Create ( EDITSTATE *  es, LPCWSTR  name  )

static

Definition at line 4727 of file edit.c.

{
        RECT clientRect;
 
    TRACE("%s\n", debugstr_w(name));
       /*
        *   To initialize some final structure members, we call some helper
        *   functions.  However, since the EDITSTATE is not consistent (i.e.
        *   not fully initialized), we should be very careful which
        *   functions can be called, and in what order.
        */
        EDIT_WM_SetFont(es, 0, FALSE);
        EDIT_EM_EmptyUndoBuffer(es);
 
        /* We need to calculate the format rect
           (applications may send EM_SETMARGINS before the control gets visible) */
        GetClientRect(es->hwndSelf, &clientRect);
        EDIT_SetRectNP(es, &clientRect);
 
       if (name && *name) {
       EDIT_EM_ReplaceSel(es, FALSE, name, lstrlenW(name), FALSE, FALSE);
       /* if we insert text to the editline, the text scrolls out
            * of the window, as the caret is placed after the insert
            * pos normally; thus we reset es->selection... to 0 and
            * update caret
            */
       es->selection_start = es->selection_end = 0;
           /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
            * Messages are only to be sent when the USER does something to
            * change the contents. So I am removing this EN_CHANGE
            *
            * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
            */
       EDIT_EM_ScrollCaret(es);
       }
       /* force scroll info update */
       EDIT_UpdateScrollInfo(es);
       /* The rule seems to return 1 here for success */
       /* Power Builder masked edit controls will crash  */
       /* if not. */
       /* FIXME: is that in all cases so ? */
       return 1;

EDIT_WM_Cut()

static void EDIT_WM_Cut ( EDITSTATE *  es )

inlinestatic

Definition at line 3329 of file edit.c.

{
    EDIT_WM_Copy(es);
    EDIT_WM_Clear(es);

EDIT_WM_GetText()

static INT EDIT_WM_GetText ( const EDITSTATE *  es, INT  count, LPWSTR  dst, BOOL  unicode  )

static

Definition at line 3541 of file edit.c.

{
    if(!count) return 0;
 
    if(unicode)
    {
    lstrcpynW(dst, es->text, count);
    return lstrlenW(dst);
    }
    else
    {
    LPSTR textA = (LPSTR)dst;
    if (!WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, count, NULL, NULL))
            textA[count - 1] = 0; /* ensure 0 termination */
    return strlen(textA);
    }

EDIT_WM_HScroll()

static LRESULT EDIT_WM_HScroll ( EDITSTATE *  es, INT  action, INT  pos  )

static

Definition at line 4305 of file edit.c.

{
    INT dx;
    INT fw;
 
    if (!(es->style & ES_MULTILINE))
        return 0;
 
    if (!(es->style & ES_AUTOHSCROLL))
        return 0;
 
    dx = 0;
    fw = es->format_rect.right - es->format_rect.left;
    switch (action) {
    case SB_LINELEFT:
        TRACE("SB_LINELEFT\n");
        if (es->x_offset)
            dx = -es->char_width;
        break;
    case SB_LINERIGHT:
        TRACE("SB_LINERIGHT\n");
        if (es->x_offset < es->text_width)
            dx = es->char_width;
        break;
    case SB_PAGELEFT:
        TRACE("SB_PAGELEFT\n");
        if (es->x_offset)
            dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width;
        break;
    case SB_PAGERIGHT:
        TRACE("SB_PAGERIGHT\n");
        if (es->x_offset < es->text_width)
            dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width;
        break;
    case SB_LEFT:
        TRACE("SB_LEFT\n");
        if (es->x_offset)
            dx = -es->x_offset;
        break;
    case SB_RIGHT:
        TRACE("SB_RIGHT\n");
        if (es->x_offset < es->text_width)
            dx = es->text_width - es->x_offset;
        break;
    case SB_THUMBTRACK:
        TRACE("SB_THUMBTRACK %d\n", pos);
        es->flags |= EF_HSCROLL_TRACK;
        if(es->style & WS_HSCROLL)
            dx = pos - es->x_offset;
        else
        {
            INT fw, new_x;
            /* Sanity check */
            if(pos < 0 || pos > 100) return 0;
            /* Assume default scroll range 0-100 */
            fw = es->format_rect.right - es->format_rect.left;
            new_x = pos * (es->text_width - fw) / 100;
            dx = es->text_width ? (new_x - es->x_offset) : 0;
        }
        break;
    case SB_THUMBPOSITION:
        TRACE("SB_THUMBPOSITION %d\n", pos);
        es->flags &= ~EF_HSCROLL_TRACK;
        if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL)
            dx = pos - es->x_offset;
        else
        {
            INT fw, new_x;
            /* Sanity check */
            if(pos < 0 || pos > 100) return 0;
            /* Assume default scroll range 0-100 */
            fw = es->format_rect.right - es->format_rect.left;
            new_x = pos * (es->text_width - fw) / 100;
            dx = es->text_width ? (new_x - es->x_offset) : 0;
        }
        if (!dx) {
            /* force scroll info update */
            EDIT_UpdateScrollInfo(es);
            notify_parent(es, EN_HSCROLL);
        }
        break;
    case SB_ENDSCROLL:
        TRACE("SB_ENDSCROLL\n");
        break;
    /*
     *  FIXME : the next two are undocumented !
     *  Are we doing the right thing ?
     *  At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
     *  although it's also a regular control message.
     */
    case EM_GETTHUMB: /* this one is used by NT notepad */
    {
        LRESULT ret;
        if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL)
            ret = GetScrollPos(es->hwndSelf, SB_HORZ);
        else
        {
            /* Assume default scroll range 0-100 */
            INT fw = es->format_rect.right - es->format_rect.left;
            ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0;
        }
        TRACE("EM_GETTHUMB: returning %Id\n", ret);
        return ret;
    }
    case EM_LINESCROLL:
        TRACE("EM_LINESCROLL16\n");
        dx = pos;
        break;
 
    default:
        ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
                    action, action);
        return 0;
    }
    if (dx)
    {
        INT fw = es->format_rect.right - es->format_rect.left;
        /* check if we are going to move too far */
        if(es->x_offset + dx + fw > es->text_width)
        dx = es->text_width - fw - es->x_offset;
        if(dx)
        EDIT_EM_LineScroll_internal(es, dx, 0);
    }
    return 0;

EDIT_WM_KeyDown()

static LRESULT EDIT_WM_KeyDown ( EDITSTATE *  es, INT  key  )

static

Definition at line 3626 of file edit.c.

{
    BOOL shift;
    BOOL control;
 
    if (es->bCaptureState)
        return 1;
 
    if (NtUserGetKeyState(VK_MENU) & 0x8000)
        return 0;
 
    shift = NtUserGetKeyState(VK_SHIFT) & 0x8000;
    control = NtUserGetKeyState(VK_CONTROL) & 0x8000;
 
    switch (key) {
    case VK_F4:
    case VK_UP:
        if (EDIT_CheckCombo(es, WM_KEYDOWN, key) || key == VK_F4)
            break;
 
        /* fall through */
    case VK_LEFT:
        if ((es->style & ES_MULTILINE) && (key == VK_UP))
            EDIT_MoveUp_ML(es, shift);
        else
            if (control)
                EDIT_MoveWordBackward(es, shift);
            else
                EDIT_MoveBackward(es, shift);
        break;
    case VK_DOWN:
        if (EDIT_CheckCombo(es, WM_KEYDOWN, key))
            break;
        /* fall through */
    case VK_RIGHT:
        if ((es->style & ES_MULTILINE) && (key == VK_DOWN))
            EDIT_MoveDown_ML(es, shift);
        else if (control)
            EDIT_MoveWordForward(es, shift);
        else
            EDIT_MoveForward(es, shift);
        break;
    case VK_HOME:
        EDIT_MoveHome(es, shift, control);
        break;
    case VK_END:
        EDIT_MoveEnd(es, shift, control);
        break;
    case VK_PRIOR:
        if (es->style & ES_MULTILINE)
            EDIT_MovePageUp_ML(es, shift);
        else
            EDIT_CheckCombo(es, WM_KEYDOWN, key);
        break;
    case VK_NEXT:
        if (es->style & ES_MULTILINE)
            EDIT_MovePageDown_ML(es, shift);
        else
            EDIT_CheckCombo(es, WM_KEYDOWN, key);
        break;
    case VK_DELETE:
        if (!(es->style & ES_READONLY) && !(shift && control)) {
            if (es->selection_start != es->selection_end) {
                if (shift)
                    EDIT_WM_Cut(es);
                else
                    EDIT_WM_Clear(es);
            } else {
                EDIT_EM_SetSel(es, ~0u, 0, FALSE);
                if (shift)
                    /* delete character left of caret */
                    EDIT_MoveBackward(es, TRUE);
                else if (control)
                    /* delete to end of line */
                    EDIT_MoveEnd(es, TRUE, FALSE);
                else
                    /* delete character right of caret */
                    EDIT_MoveForward(es, TRUE);
                EDIT_WM_Clear(es);
            }
        }
        break;
    case VK_INSERT:
        if (shift) {
            if (!(es->style & ES_READONLY))
                EDIT_WM_Paste(es);
        } else if (control)
            EDIT_WM_Copy(es);
        break;
    case VK_RETURN:
        /* If the edit doesn't want the return send a message to the default object */
        if(!(es->style & ES_MULTILINE) || !(es->style & ES_WANTRETURN))
        {
                DWORD dw;
 
                if (!EDIT_IsInsideDialog(es)) break;
                if (control) break;
                dw = SendMessageW(es->hwndParent, DM_GETDEFID, 0, 0);
                if (HIWORD(dw) == DC_HASDEFID)
                {
                    HWND hwDefCtrl = GetDlgItem(es->hwndParent, LOWORD(dw));
                    if (hwDefCtrl)
                    {
                        SendMessageW(es->hwndParent, WM_NEXTDLGCTL, (WPARAM)hwDefCtrl, TRUE);
                        PostMessageW(hwDefCtrl, WM_KEYDOWN, VK_RETURN, 0);
                    }
                }
        }
        break;
        case VK_ESCAPE:
            if ((es->style & ES_MULTILINE) && EDIT_IsInsideDialog(es))
                PostMessageW(es->hwndParent, WM_CLOSE, 0, 0);
            break;
        case VK_TAB:
            if ((es->style & ES_MULTILINE) && EDIT_IsInsideDialog(es))
                SendMessageW(es->hwndParent, WM_NEXTDLGCTL, shift, 0);
            break;
#ifdef __REACTOS__
        /* ReactOS CORE-1419 */
        case VK_BACK:
            if (control)
            {
               FIXME("Ctrl+Backspace\n");
            }
            break;
#endif
    }
        return TRUE;

EDIT_WM_KillFocus()

static LRESULT EDIT_WM_KillFocus ( EDITSTATE *  es )

static

Definition at line 3762 of file edit.c.

{
#ifdef __REACTOS__
    HWND hCombo;
    LONG lStyles;
 
    es->flags &= ~EF_FOCUSED;
    DestroyCaret();
    if(!(es->style & ES_NOHIDESEL))
        EDIT_InvalidateText(es, es->selection_start, es->selection_end);
 
    /* throw away left over scroll when we lose focus */
    es->wheelDeltaRemainder = 0;
 
    if (es->hwndListBox == NULL) {
        if (!notify_parent(es, EN_KILLFOCUS)) return 0;
    } else
    { /* send the undocumented WM_CBLOSTTEXTFOCUS message to combobox */
        hCombo = GetParent(es->hwndSelf);
        lStyles = GetWindowLong(hCombo, GWL_STYLE);
        if ((lStyles & CBS_DROPDOWN) || (lStyles & CBS_SIMPLE))
            SendMessage(hCombo, WM_CBLOSTTEXTFOCUS, 0, 0);
    }
#else
        es->flags &= ~EF_FOCUSED;
        NtUserDestroyCaret();
    if(!(es->style & ES_NOHIDESEL))
        EDIT_InvalidateText(es, es->selection_start, es->selection_end);
    if (!notify_parent(es, EN_KILLFOCUS)) return 0;
    /* throw away left over scroll when we lose focus */
    es->wheelDeltaRemainder = 0;
#endif
        return 0;

EDIT_WM_LButtonDblClk()

static LRESULT EDIT_WM_LButtonDblClk ( EDITSTATE *  es )

static

Definition at line 3805 of file edit.c.

{
    INT s;
    INT e = es->selection_end;
    INT l;
    INT li;
    INT ll;
 
    es->bCaptureState = TRUE;
    NtUserSetCapture(es->hwndSelf);
 
    l = EDIT_EM_LineFromChar(es, e);
    li = EDIT_EM_LineIndex(es, l);
    ll = EDIT_EM_LineLength(es, e);
    s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
    e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT);
    EDIT_EM_SetSel(es, s, e, FALSE);
    EDIT_EM_ScrollCaret(es);
    return 0;

EDIT_WM_LButtonDown()

static LRESULT EDIT_WM_LButtonDown ( EDITSTATE *  es, DWORD  keys, INT  x, INT  y  )

static

Definition at line 3832 of file edit.c.

{
    INT e;
    BOOL after_wrap;
 
    es->bCaptureState = TRUE;
    NtUserSetCapture(es->hwndSelf);
    EDIT_ConfinePoint(es, &x, &y);
    e = EDIT_CharFromPos(es, x, y, &after_wrap);
    EDIT_EM_SetSel(es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap);
    EDIT_EM_ScrollCaret(es);
    if (!(es->flags & EF_FOCUSED))
            NtUserSetFocus(es->hwndSelf);
 
    return 0;

EDIT_WM_LButtonUp()

static LRESULT EDIT_WM_LButtonUp ( EDITSTATE *  es )

static

Definition at line 3855 of file edit.c.

{
    if (es->bCaptureState) {
        if (GetCapture() == es->hwndSelf) NtUserReleaseCapture();
    }
    es->bCaptureState = FALSE;
    return 0;

EDIT_WM_MButtonDown()

static LRESULT EDIT_WM_MButtonDown ( EDITSTATE *  es )

static

Definition at line 3870 of file edit.c.

{
    SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
    return 0;

EDIT_WM_MouseMove()

static LRESULT EDIT_WM_MouseMove ( EDITSTATE *  es, INT  x, INT  y  )

static

Definition at line 3882 of file edit.c.

{
    INT e;
    BOOL after_wrap;
 
        /* If the mouse has been captured by process other than the edit control itself,
         * the windows edit controls will not select the strings with mouse move.
         */
        if (!es->bCaptureState || GetCapture() != es->hwndSelf)
        return 0;
 
    e = EDIT_CharFromPos(es, x, y, &after_wrap);
    EDIT_EM_SetSel(es, es->selection_start, e, after_wrap);
    EDIT_SetCaretPos(es,es->selection_end,es->flags & EF_AFTER_WRAP);
    EDIT_EM_ScrollCaret(es);
    return 0;

EDIT_WM_NCCreate()

static LRESULT EDIT_WM_NCCreate ( HWND  hwnd, LPCREATESTRUCTW  lpcs, BOOL  unicode  )

static

Definition at line 4612 of file edit.c.

{
    EDITSTATE *es;
    UINT alloc_size;
 
    TRACE("Creating %s edit control, style = %08lx\n",
        unicode ? "Unicode" : "ANSI", lpcs->style);
 
    if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es))))
        return FALSE;
        set_control_state( hwnd, es );
 
       /*
        *      Note: since the EDITSTATE has not been fully initialized yet,
        *            we can't use any API calls that may send
        *            WM_XXX messages before WM_NCCREATE is completed.
        */
 
    es->is_unicode = unicode;
    es->style = lpcs->style;
 
        es->bEnableState = !(es->style & WS_DISABLED);
 
    es->hwndSelf = hwnd;
    /* Save parent, which will be notified by EN_* messages */
    es->hwndParent = lpcs->hwndParent;
 
    if (es->style & ES_COMBO)
       es->hwndListBox = GetDlgItem(es->hwndParent, ID_CB_LISTBOX);
 
        /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */
        if (lpcs->dwExStyle & WS_EX_RIGHT) es->style |= ES_RIGHT;
 
        /* Number overrides lowercase overrides uppercase (at least it
         * does in Win95).  However I'll bet that ES_NUMBER would be
         * invalid under Win 3.1.
         */
        if (es->style & ES_NUMBER) {
                ; /* do not override the ES_NUMBER */
        }  else if (es->style & ES_LOWERCASE) {
                es->style &= ~ES_UPPERCASE;
        }
    if (es->style & ES_MULTILINE) {
        es->buffer_limit = BUFLIMIT_INITIAL;
        if (es->style & WS_VSCROLL)
            es->style |= ES_AUTOVSCROLL;
        if (es->style & WS_HSCROLL)
            es->style |= ES_AUTOHSCROLL;
        es->style &= ~ES_PASSWORD;
        if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) {
                        /* Confirmed - RIGHT overrides CENTER */
            if (es->style & ES_RIGHT)
                es->style &= ~ES_CENTER;
            es->style &= ~WS_HSCROLL;
            es->style &= ~ES_AUTOHSCROLL;
        }
    } else {
        es->buffer_limit = BUFLIMIT_INITIAL;
        if ((es->style & ES_RIGHT) && (es->style & ES_CENTER))
            es->style &= ~ES_CENTER;
        es->style &= ~WS_HSCROLL;
        es->style &= ~WS_VSCROLL;
        if (es->style & ES_PASSWORD)
            es->password_char = '*';
    }
 
    alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR));
    if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
        goto cleanup;
    es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
 
    if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR))))
        goto cleanup;
    es->undo_buffer_size = es->buffer_size;
 
    if (es->style & ES_MULTILINE)
        if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF))))
            goto cleanup;
    es->line_count = 1;
 
    /*
     * In Win95 look and feel, the WS_BORDER style is replaced by the
     * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
     * control a nonclient area so we don't need to draw the border.
         * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
         * a nonclient area and we should handle painting the border ourselves.
         *
         * When making modifications please ensure that the code still works
         * for edit controls created directly with style 0x50800000, exStyle 0
         * (which should have a single pixel border)
     */
    if (lpcs->dwExStyle & WS_EX_CLIENTEDGE)
        es->style &= ~WS_BORDER;
        else if (es->style & WS_BORDER)
        SetWindowLongW(hwnd, GWL_STYLE, es->style & ~WS_BORDER);
 
    return TRUE;
 
cleanup:
    set_control_state( es->hwndSelf, NULL );
    EDIT_InvalidateUniscribeData(es);
    HeapFree(GetProcessHeap(), 0, es->first_line_def);
    HeapFree(GetProcessHeap(), 0, es->undo_text);
    if (es->hloc32W) LocalFree(es->hloc32W);
    HeapFree(GetProcessHeap(), 0, es->logAttr);
    HeapFree(GetProcessHeap(), 0, es);
    return FALSE;

EDIT_WM_NCDestroy()

static LRESULT EDIT_WM_NCDestroy ( EDITSTATE *  es )

static

Definition at line 4777 of file edit.c.

{
    LINEDEF *pc, *pp;
 
        /* The app can own the text buffer handle */
        if (es->hloc32W && (es->hloc32W != es->hlocapp)) {
        LocalFree(es->hloc32W);
    }
        if (es->hloc32A && (es->hloc32A != es->hlocapp)) {
        LocalFree(es->hloc32A);
    }
    EDIT_InvalidateUniscribeData(es);
    pc = es->first_line_def;
    while (pc)
    {
        pp = pc->next;
        HeapFree(GetProcessHeap(), 0, pc);
        pc = pp;
    }
 
    set_control_state( es->hwndSelf, NULL );
    HeapFree(GetProcessHeap(), 0, es->undo_text);
    HeapFree(GetProcessHeap(), 0, es);
 
    return 0;

EDIT_WM_Paint()

static void EDIT_WM_Paint ( EDITSTATE *  es, HDC  hdc  )

static

Definition at line 3906 of file edit.c.

{
    PAINTSTRUCT ps;
    INT i;
    HDC dc;
    HFONT old_font = 0;
    RECT rc;
    RECT rcClient;
    RECT rcLine;
    RECT rcRgn;
    HBRUSH brush;
    HBRUSH old_brush;
    INT bw, bh;
    BOOL rev = es->bEnableState &&
                ((es->flags & EF_FOCUSED) ||
                    (es->style & ES_NOHIDESEL));
        dc = hdc ? hdc : NtUserBeginPaint( es->hwndSelf, &ps );
 
    /* The dc we use for calculating may not be the one we paint into.
       This is the safest action. */
    EDIT_InvalidateUniscribeData(es);
    GetClientRect(es->hwndSelf, &rcClient);
 
    /* get the background brush */
    brush = EDIT_NotifyCtlColor(es, dc);
 
    /* paint the border and the background */
    IntersectClipRect(dc, rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
 
    if(es->style & WS_BORDER) {
        bw = GetSystemMetrics(SM_CXBORDER);
        bh = GetSystemMetrics(SM_CYBORDER);
        rc = rcClient;
        if(es->style & ES_MULTILINE) {
            if(es->style & WS_HSCROLL) rc.bottom+=bh;
            if(es->style & WS_VSCROLL) rc.right+=bw;
        }
 
        /* Draw the frame. Same code as in nonclient.c */
        old_brush = SelectObject(dc, GetSysColorBrush(COLOR_WINDOWFRAME));
        PatBlt(dc, rc.left, rc.top, rc.right - rc.left, bh, PATCOPY);
        PatBlt(dc, rc.left, rc.top, bw, rc.bottom - rc.top, PATCOPY);
        PatBlt(dc, rc.left, rc.bottom - 1, rc.right - rc.left, -bw, PATCOPY);
        PatBlt(dc, rc.right - 1, rc.top, -bw, rc.bottom - rc.top, PATCOPY);
        SelectObject(dc, old_brush);
 
        /* Keep the border clean */
        IntersectClipRect(dc, rc.left+bw, rc.top+bh,
            max(rc.right-bw, rc.left+bw), max(rc.bottom-bh, rc.top+bh));
    }
 
    GetClipBox(dc, &rc);
    FillRect(dc, &rc, brush);
 
    IntersectClipRect(dc, es->format_rect.left,
                es->format_rect.top,
                es->format_rect.right,
                es->format_rect.bottom);
    if (es->style & ES_MULTILINE) {
        rc = rcClient;
        IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
    }
    if (es->font)
        old_font = SelectObject(dc, es->font);
 
    if (!es->bEnableState)
        SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
    GetClipBox(dc, &rcRgn);
    if (es->style & ES_MULTILINE) {
        INT vlc = get_vertical_line_count(es);
        for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) {
            EDIT_UpdateUniscribeData(es, dc, i);
            EDIT_GetLineRect(es, i, 0, -1, &rcLine);
            if (IntersectRect(&rc, &rcRgn, &rcLine))
                EDIT_PaintLine(es, dc, i, rev);
        }
    } else {
        EDIT_UpdateUniscribeData(es, dc, 0);
        EDIT_GetLineRect(es, 0, 0, -1, &rcLine);
        if (IntersectRect(&rc, &rcRgn, &rcLine))
            EDIT_PaintLine(es, dc, 0, rev);
    }
    if (es->font)
        SelectObject(dc, old_font);
 
        if (!hdc)
            NtUserEndPaint( es->hwndSelf, &ps );

EDIT_WM_Paste()

static void EDIT_WM_Paste ( EDITSTATE *  es )

static

Definition at line 3249 of file edit.c.

{
    HGLOBAL hsrc;
    LPWSTR src, ptr;
    int len;
 
    /* Protect read-only edit control from modification */
    if(es->style & ES_READONLY)
        return;
 
    OpenClipboard(es->hwndSelf);
    if ((hsrc = GetClipboardData(CF_UNICODETEXT))) {
        src = GlobalLock(hsrc);
                len = lstrlenW(src);
        /* Protect single-line edit against pasting new line character */
        if (!(es->style & ES_MULTILINE) && ((ptr = wcschr(src, '\n')))) {
            len = ptr - src;
            if (len && src[len - 1] == '\r')
                --len;
        }
                EDIT_EM_ReplaceSel(es, TRUE, src, len, TRUE, TRUE);
        GlobalUnlock(hsrc);
    }
        else if (es->style & ES_PASSWORD) {
            /* clear selected text in password edit box even with empty clipboard */
            EDIT_EM_ReplaceSel(es, TRUE, NULL, 0, TRUE, TRUE);
        }
    NtUserCloseClipboard();

EDIT_WM_SetFocus()

static void EDIT_WM_SetFocus ( EDITSTATE *  es )

static

Definition at line 4001 of file edit.c.

{
    es->flags |= EF_FOCUSED;
 
        if (!(es->style & ES_NOHIDESEL))
            EDIT_InvalidateText(es, es->selection_start, es->selection_end);
 
        /* single line edit updates itself */
        if (IsWindowVisible(es->hwndSelf) && !(es->style & ES_MULTILINE))
        {
            HDC hdc = NtUserGetDC(es->hwndSelf);
            EDIT_WM_Paint(es, hdc);
            NtUserReleaseDC( es->hwndSelf, hdc );
        }
 
#ifdef __REACTOS__
    SystemParametersInfo(SPI_GETCARETWIDTH, 0, &es->dwCaretWidth, 0);
    CreateCaret(es->hwndSelf, NULL, es->dwCaretWidth, es->line_height);
#else
        NtUserCreateCaret( es->hwndSelf, 0, 1, es->line_height );
#endif
    EDIT_SetCaretPos(es, es->selection_end,
             es->flags & EF_AFTER_WRAP);
        NtUserShowCaret( es->hwndSelf );
    notify_parent(es, EN_SETFOCUS);

EDIT_WM_SetFont()

static void EDIT_WM_SetFont ( EDITSTATE *  es, HFONT  font, BOOL  redraw  )

static

Definition at line 4078 of file edit.c.

{
    TEXTMETRICW tm;
    HDC dc;
    HFONT old_font = 0;
    RECT clientRect;
    DWORD margins;
 
    es->font = font;
    EDIT_InvalidateUniscribeData(es);
    dc = NtUserGetDC(es->hwndSelf);
    if (font)
        old_font = SelectObject(dc, font);
    GetTextMetricsW(dc, &tm);
    es->line_height = tm.tmHeight;
    es->char_width = tm.tmAveCharWidth;
    margins = get_font_margins(dc, &tm, es->is_unicode);
    if (font)
        SelectObject(dc, old_font);
    NtUserReleaseDC( es->hwndSelf, dc );
 
    /* Reset the format rect and the margins */
    GetClientRect(es->hwndSelf, &clientRect);
    EDIT_SetRectNP(es, &clientRect);
    if (margins)
        EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN,
                   LOWORD(margins), HIWORD(margins), FALSE);
 
    if (es->style & ES_MULTILINE)
        EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
    else
        EDIT_CalcLineWidth_SL(es);
 
    if (redraw)
        EDIT_UpdateText(es, NULL, TRUE);
    if (es->flags & EF_FOCUSED) {
        DestroyCaret();
#ifdef __REACTOS__
        CreateCaret(es->hwndSelf, NULL, es->dwCaretWidth, es->line_height);
#else
        NtUserCreateCaret( es->hwndSelf, 0, 1, es->line_height );
#endif
        EDIT_SetCaretPos(es, es->selection_end,
                 es->flags & EF_AFTER_WRAP);
        NtUserShowCaret( es->hwndSelf );
    }
 
#ifdef __REACTOS__
    if (ImmIsIME(GetKeyboardLayout(0)))
    {
        LOGFONTW lf;
        HIMC hIMC = ImmGetContext(es->hwndSelf);
        if (font == NULL)
            font = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
        GetObjectW(font, sizeof(lf), &lf);
        ImmSetCompositionFontW(hIMC, &lf);
        ImmReleaseContext(es->hwndSelf, hIMC);
    }
#else
    EDIT_UpdateImmCompositionFont(es);
#endif

EDIT_WM_SetText()

static void EDIT_WM_SetText ( EDITSTATE *  es, LPCWSTR  text, BOOL  unicode  )

static

Definition at line 4154 of file edit.c.

{
    LPWSTR textW = NULL;
    if (!unicode && text)
    {
    LPCSTR textA = (LPCSTR)text;
    INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
        textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR));
    if (textW)
        MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
    text = textW;
    }
 
    if (es->flags & EF_UPDATE)
    /* fixed this bug once; complain if we see it about to happen again. */
    ERR("SetSel may generate UPDATE message whose handler may reset "
        "selection.\n");
 
    EDIT_EM_SetSel(es, 0, (UINT)-1, FALSE);
    if (text)
    {
    TRACE("%s\n", debugstr_w(text));
    EDIT_EM_ReplaceSel(es, FALSE, text, lstrlenW(text), FALSE, FALSE);
    if(!unicode)
        HeapFree(GetProcessHeap(), 0, textW);
    }
    else
    {
    TRACE("<NULL>\n");
    EDIT_EM_ReplaceSel(es, FALSE, NULL, 0, FALSE, FALSE);
    }
    es->x_offset = 0;
    es->flags &= ~EF_MODIFIED;
    EDIT_EM_SetSel(es, 0, 0, FALSE);
 
    /* Send the notification after the selection start and end have been set
     * edit control doesn't send notification on WM_SETTEXT
     * if it is multiline, or it is part of combobox
     */
    if( !((es->style & ES_MULTILINE) || es->hwndListBox))
    {
        if (!notify_parent(es, EN_UPDATE)) return;
        if (!notify_parent(es, EN_CHANGE)) return;
    }
    EDIT_EM_ScrollCaret(es);
    EDIT_UpdateScrollInfo(es);
    EDIT_InvalidateUniscribeData(es);

EDIT_WM_Size()

static void EDIT_WM_Size ( EDITSTATE *  es, UINT  action  )

static

Definition at line 4209 of file edit.c.

{
    if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) {
        RECT rc;
        GetClientRect(es->hwndSelf, &rc);
        EDIT_SetRectNP(es, &rc);
        EDIT_UpdateText(es, NULL, TRUE);
    }

EDIT_WM_StyleChanged()

static LRESULT EDIT_WM_StyleChanged ( EDITSTATE *  es, WPARAM  which, const STYLESTRUCT *  style  )

static

Definition at line 4242 of file edit.c.

{
        if (GWL_STYLE == which) {
                DWORD style_change_mask;
                DWORD new_style;
                /* Only a subset of changes can be applied after the control
                 * has been created.
                 */
#ifdef __REACTOS__
                style_change_mask = ES_UPPERCASE | ES_LOWERCASE |
                                    ES_NUMBER | ES_LEFT | ES_RIGHT | ES_CENTER;
#else
                style_change_mask = ES_UPPERCASE | ES_LOWERCASE |
                                    ES_NUMBER;
#endif
                if (es->style & ES_MULTILINE)
                        style_change_mask |= ES_WANTRETURN;
 
                new_style = style->styleNew & style_change_mask;
 
                /* Number overrides lowercase overrides uppercase (at least it
                 * does in Win95).  However I'll bet that ES_NUMBER would be
                 * invalid under Win 3.1.
                 */
                if (new_style & ES_NUMBER) {
                        ; /* do not override the ES_NUMBER */
                }  else if (new_style & ES_LOWERCASE) {
                        new_style &= ~ES_UPPERCASE;
                }
 
                es->style = (es->style & ~style_change_mask) | new_style;
        } else if (GWL_EXSTYLE == which) {
                ; /* FIXME - what is needed here */
        } else {
                WARN ("Invalid style change %Id\n",which);
        }
 
        return 0;

EDIT_WM_SysKeyDown()

static LRESULT EDIT_WM_SysKeyDown ( EDITSTATE *  es, INT  key, DWORD  key_data  )

static

Definition at line 4287 of file edit.c.

{
    if ((key == VK_BACK) && (key_data & 0x2000)) {
        if (EDIT_EM_CanUndo(es))
            EDIT_EM_Undo(es);
        return 0;
    } else if (key == VK_UP || key == VK_DOWN) {
        if (EDIT_CheckCombo(es, WM_SYSKEYDOWN, key))
            return 0;
    }
    return DefWindowProcW(es->hwndSelf, WM_SYSKEYDOWN, key, key_data);

EDIT_WM_VScroll()

static LRESULT EDIT_WM_VScroll ( EDITSTATE *  es, INT  action, INT  pos  )

static

Definition at line 4437 of file edit.c.

{
    INT dy;
 
    if (!(es->style & ES_MULTILINE))
        return 0;
 
    if (!(es->style & ES_AUTOVSCROLL))
        return 0;
 
    dy = 0;
    switch (action) {
    case SB_LINEUP:
    case SB_LINEDOWN:
    case SB_PAGEUP:
    case SB_PAGEDOWN:
        TRACE("action %d (%s)\n", action, (action == SB_LINEUP ? "SB_LINEUP" :
                           (action == SB_LINEDOWN ? "SB_LINEDOWN" :
                            (action == SB_PAGEUP ? "SB_PAGEUP" :
                             "SB_PAGEDOWN"))));
        EDIT_EM_Scroll(es, action);
        return 0;
    case SB_TOP:
        TRACE("SB_TOP\n");
        dy = -es->y_offset;
        break;
    case SB_BOTTOM:
        TRACE("SB_BOTTOM\n");
        dy = es->line_count - 1 - es->y_offset;
        break;
    case SB_THUMBTRACK:
        TRACE("SB_THUMBTRACK %d\n", pos);
        es->flags |= EF_VSCROLL_TRACK;
        if(es->style & WS_VSCROLL)
            dy = pos - es->y_offset;
        else
        {
            /* Assume default scroll range 0-100 */
            INT vlc, new_y;
            /* Sanity check */
            if(pos < 0 || pos > 100) return 0;
            vlc = get_vertical_line_count(es);
            new_y = pos * (es->line_count - vlc) / 100;
            dy = es->line_count ? (new_y - es->y_offset) : 0;
            TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
                es->line_count, es->y_offset, pos, dy);
        }
        break;
    case SB_THUMBPOSITION:
        TRACE("SB_THUMBPOSITION %d\n", pos);
        es->flags &= ~EF_VSCROLL_TRACK;
        if(es->style & WS_VSCROLL)
            dy = pos - es->y_offset;
        else
        {
            /* Assume default scroll range 0-100 */
            INT vlc, new_y;
            /* Sanity check */
            if(pos < 0 || pos > 100) return 0;
            vlc = get_vertical_line_count(es);
            new_y = pos * (es->line_count - vlc) / 100;
            dy = es->line_count ? (new_y - es->y_offset) : 0;
            TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
                es->line_count, es->y_offset, pos, dy);
        }
        if (!dy)
        {
            /* force scroll info update */
            EDIT_UpdateScrollInfo(es);
            notify_parent(es, EN_VSCROLL);
        }
        break;
    case SB_ENDSCROLL:
        TRACE("SB_ENDSCROLL\n");
        break;
    /*
     *  FIXME : the next two are undocumented !
     *  Are we doing the right thing ?
     *  At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
     *  although it's also a regular control message.
     */
    case EM_GETTHUMB: /* this one is used by NT notepad */
    {
        LRESULT ret;
        if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_VSCROLL)
            ret = GetScrollPos(es->hwndSelf, SB_VERT);
        else
        {
            /* Assume default scroll range 0-100 */
            INT vlc = get_vertical_line_count(es);
            ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0;
        }
        TRACE("EM_GETTHUMB: returning %Id\n", ret);
        return ret;
    }
    case EM_LINESCROLL:
        TRACE("EM_LINESCROLL %d\n", pos);
        dy = pos;
        break;
 
    default:
        ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
                    action, action);
        return 0;
    }
    if (dy)
        EDIT_EM_LineScroll(es, 0, dy);
    return 0;

EDIT_WordBreakProc()

static INT EDIT_WordBreakProc ( EDITSTATE *  es, LPWSTR  s, INT  index, INT  count, INT  action  )

static

Definition at line 277 of file edit.c.

{
    INT ret = 0;
 
    TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action);
 
    if(!s) return 0;
 
    if (!es->logAttr)
    {
        SCRIPT_ANALYSIS psa;
 
        memset(&psa,0,sizeof(SCRIPT_ANALYSIS));
        psa.eScript = SCRIPT_UNDEFINED;
 
        es->logAttr = HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPT_LOGATTR) * get_text_length(es));
        ScriptBreak(es->text, get_text_length(es), &psa, es->logAttr);
    }
 
    switch (action) {
    case WB_LEFT:
        if (index)
            index--;
        while (index && !es->logAttr[index].fSoftBreak)
            index--;
        ret = index;
        break;
    case WB_RIGHT:
        if (!count)
            break;
        while (index < count && s[index] && !es->logAttr[index].fSoftBreak)
            index++;
        ret = index;
        break;
    case WB_ISDELIMITER:
        ret = es->logAttr[index].fWhiteSpace;
        break;
    default:
        ERR("unknown action code, please report !\n");
        break;
    }
    return ret;

EditWndProc_common()

LRESULT WINAPI EditWndProc_common	(	HWND	hwnd,
		UINT	msg,
		WPARAM	wParam,
		LPARAM	lParam,
		BOOL	unicode
	)

Definition at line 4820 of file edit.c.

{
    EDITSTATE *es = get_control_state( hwnd );
    LRESULT result = 0;
#ifndef __REACTOS__ /* WM_IME_SETCONTEXT */
    POINT pt;
#endif
 
        TRACE("hwnd=%p msg=%x (%s) wparam=%Ix lparam=%Ix\n", hwnd, msg, SPY_GetMsgName(msg, hwnd), wParam, lParam);
 
    if (msg == WM_NCCREATE) NtUserSetWindowFNID( hwnd, MAKE_FNID(NTUSER_WNDPROC_EDIT) );
 
    if (!es && msg != WM_NCCREATE)
        return DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
 
    if (es && (msg != WM_NCDESTROY)) EDIT_LockBuffer(es);
 
    switch (msg) {
    case EM_GETSEL:
        result = EDIT_EM_GetSel(es, (PUINT)wParam, (PUINT)lParam);
        break;
 
    case EM_SETSEL:
        EDIT_EM_SetSel(es, wParam, lParam, FALSE);
        EDIT_EM_ScrollCaret(es);
        result = 1;
        break;
 
    case EM_GETRECT:
        if (lParam)
            CopyRect((LPRECT)lParam, &es->format_rect);
        break;
 
    case EM_SETRECT:
        if ((es->style & ES_MULTILINE) && lParam) {
            EDIT_SetRectNP(es, (LPRECT)lParam);
            EDIT_UpdateText(es, NULL, TRUE);
        }
        break;
 
    case EM_SETRECTNP:
        if ((es->style & ES_MULTILINE) && lParam)
            EDIT_SetRectNP(es, (LPRECT)lParam);
        break;
 
    case EM_SCROLL:
        result = EDIT_EM_Scroll(es, (INT)wParam);
                break;
 
    case EM_LINESCROLL:
        result = (LRESULT)EDIT_EM_LineScroll(es, (INT)wParam, (INT)lParam);
        break;
 
    case EM_SCROLLCARET:
        EDIT_EM_ScrollCaret(es);
        result = 1;
        break;
 
    case EM_GETMODIFY:
        result = ((es->flags & EF_MODIFIED) != 0);
        break;
 
    case EM_SETMODIFY:
        if (wParam)
            es->flags |= EF_MODIFIED;
        else
                        es->flags &= ~(EF_MODIFIED | EF_UPDATE);  /* reset pending updates */
        break;
 
    case EM_GETLINECOUNT:
        result = (es->style & ES_MULTILINE) ? es->line_count : 1;
        break;
 
    case EM_LINEINDEX:
        result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam);
        break;
 
    case EM_SETHANDLE:
        EDIT_EM_SetHandle(es, (HLOCAL)wParam);
        break;
 
    case EM_GETHANDLE:
        result = (LRESULT)EDIT_EM_GetHandle(es);
        break;
 
    case EM_GETTHUMB:
        result = EDIT_EM_GetThumb(es);
        break;
 
    /* these messages missing from specs */
    case 0x00bf:
    case 0x00c0:
    case 0x00c3:
    case 0x00ca:
        FIXME("undocumented message 0x%x, please report\n", msg);
        result = DefWindowProcW(hwnd, msg, wParam, lParam);
        break;
 
    case EM_LINELENGTH:
        result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam);
        break;
 
    case EM_REPLACESEL:
    {
        LPWSTR textW;
 
        if(unicode)
            textW = (LPWSTR)lParam;
        else
        {
            LPSTR textA = (LPSTR)lParam;
            INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
            if (!(textW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR)))) break;
                    MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
        }
 
        EDIT_EM_ReplaceSel(es, (BOOL)wParam, textW, lstrlenW(textW), TRUE, TRUE);
        result = 1;
 
        if(!unicode)
            HeapFree(GetProcessHeap(), 0, textW);
        break;
    }
 
    case EM_GETLINE:
        result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, (LPWSTR)lParam, unicode);
        break;
 
    case EM_SETLIMITTEXT:
        EDIT_EM_SetLimitText(es, wParam);
        break;
 
    case EM_CANUNDO:
        result = (LRESULT)EDIT_EM_CanUndo(es);
        break;
 
    case EM_UNDO:
    case WM_UNDO:
        result = (LRESULT)EDIT_EM_Undo(es);
        break;
 
    case EM_FMTLINES:
        result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam);
        break;
 
    case EM_LINEFROMCHAR:
        result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam);
        break;
 
    case EM_SETTABSTOPS:
        result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam);
        break;
 
    case EM_SETPASSWORDCHAR:
    {
        WCHAR charW = 0;
 
        if(unicode)
            charW = (WCHAR)wParam;
        else
        {
            CHAR charA = wParam;
            MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
        }
 
        result = EDIT_EM_SetPasswordChar(es, charW);
        break;
    }
 
    case EM_EMPTYUNDOBUFFER:
        EDIT_EM_EmptyUndoBuffer(es);
        break;
 
    case EM_GETFIRSTVISIBLELINE:
        result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset;
        break;
 
    case EM_SETREADONLY:
    {
        DWORD old_style = es->style;
 
        if (wParam) {
                    SetWindowLongW( hwnd, GWL_STYLE,
                                    GetWindowLongW( hwnd, GWL_STYLE ) | ES_READONLY );
                    es->style |= ES_READONLY;
        } else {
                    SetWindowLongW( hwnd, GWL_STYLE,
                                    GetWindowLongW( hwnd, GWL_STYLE ) & ~ES_READONLY );
                    es->style &= ~ES_READONLY;
        }
 
        if (old_style ^ es->style)
            NtUserInvalidateRect(es->hwndSelf, NULL, TRUE);
 
        result = 1;
        break;
    }
 
    case EM_SETWORDBREAKPROC:
        EDIT_EM_SetWordBreakProc(es, (void *)lParam);
        result = 1;
        break;
 
    case EM_GETWORDBREAKPROC:
        result = (LRESULT)es->word_break_proc;
        break;
 
    case EM_GETPASSWORDCHAR:
    {
        if(unicode)
            result = es->password_char;
        else
        {
            WCHAR charW = es->password_char;
            CHAR charA = 0;
            WideCharToMultiByte(CP_ACP, 0, &charW, 1, &charA, 1, NULL, NULL);
            result = charA;
        }
        break;
    }
 
    case EM_SETMARGINS:
        EDIT_EM_SetMargins(es, (INT)wParam, LOWORD(lParam), HIWORD(lParam), TRUE);
        break;
 
    case EM_GETMARGINS:
        result = MAKELONG(es->left_margin, es->right_margin);
        break;
 
    case EM_GETLIMITTEXT:
        result = es->buffer_limit;
        break;
 
    case EM_POSFROMCHAR:
        if ((INT)wParam >= get_text_length(es)) result = -1;
        else result = EDIT_EM_PosFromChar(es, (INT)wParam, FALSE);
        break;
 
    case EM_CHARFROMPOS:
        result = EDIT_EM_CharFromPos(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
        break;
 
        case EM_SETIMESTATUS:
            if (wParam == EMSIS_COMPOSITIONSTRING)
                es->ime_status = lParam & 0xFFFF;
 
            result = 1;
            break;
 
        case EM_GETIMESTATUS:
            result = wParam == EMSIS_COMPOSITIONSTRING ? es->ime_status : 1;
            break;
 
        /* End of the EM_ messages which were in numerical order; what order
         * are these in?  vaguely alphabetical?
         */
 
    case WM_NCCREATE:
        result = EDIT_WM_NCCreate(hwnd, (LPCREATESTRUCTW)lParam, unicode);
        break;
 
    case WM_NCDESTROY:
        result = EDIT_WM_NCDestroy(es);
#ifdef __REACTOS__
        NtUserSetWindowFNID(hwnd, FNID_DESTROY);
#endif
        es = NULL;
        break;
 
    case WM_GETDLGCODE:
        result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS;
 
        if (es->style & ES_MULTILINE)
           result |= DLGC_WANTALLKEYS;
 
                if (lParam)
                {
                    es->flags|=EF_DIALOGMODE;
 
                    if (((LPMSG)lParam)->message == WM_KEYDOWN)
                    {
                        int vk = (int)((LPMSG)lParam)->wParam;
 
                        if (es->hwndListBox)
                        {
                            if (vk == VK_RETURN || vk == VK_ESCAPE)
                                if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
                                    result |= DLGC_WANTMESSAGE;
                        }
                    }
                }
        break;
 
    case WM_CHAR:
    {
        WCHAR charW;
 
        if(unicode)
            charW = wParam;
        else
        {
            BYTE low = wParam;
            DWORD cp = get_input_codepage();
            if (es->lead_byte)
            {
            char ch[2];
            ch[0] = es->lead_byte;
            ch[1] = low;
            MultiByteToWideChar(cp, 0, ch, 2, &charW, 1);
            }
            else if (IsDBCSLeadByteEx(cp, low))
            {
            es->lead_byte = low;
            result = 1;
            break;
            }
            else
            MultiByteToWideChar(cp, 0, (char *)&low, 1, &charW, 1);
            es->lead_byte = 0;
        }
 
                if (es->hwndListBox)
                {
                    if (charW == VK_RETURN || charW == VK_ESCAPE)
                    {
                        if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
                            SendMessageW(GetParent(hwnd), WM_KEYDOWN, charW, 0);
                        break;
                    }
                }
        result = EDIT_WM_Char(es, charW);
        break;
    }
 
        case WM_UNICHAR:
                if (unicode)
                {
                    if (wParam == UNICODE_NOCHAR) return TRUE;
                    if (wParam <= 0x000fffff)
                    {
                        if(wParam > 0xffff) /* convert to surrogates */
                        {
                            wParam -= 0x10000;
                            EDIT_WM_Char(es, (wParam >> 10) + 0xd800);
                            EDIT_WM_Char(es, (wParam & 0x03ff) + 0xdc00);
                        }
                        else EDIT_WM_Char(es, wParam);
                    }
                    return 0;
                }
                break;
 
    case WM_CLEAR:
        EDIT_WM_Clear(es);
        break;
 
        case WM_CONTEXTMENU:
        EDIT_WM_ContextMenu(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
        break;
 
    case WM_COPY:
        EDIT_WM_Copy(es);
        break;
 
    case WM_CREATE:
        if(unicode)
            result = EDIT_WM_Create(es, ((LPCREATESTRUCTW)lParam)->lpszName);
        else
        {
            LPCSTR nameA = ((LPCREATESTRUCTA)lParam)->lpszName;
            LPWSTR nameW = NULL;
            if(nameA)
            {
            INT countW = MultiByteToWideChar(CP_ACP, 0, nameA, -1, NULL, 0);
            if((nameW = HeapAlloc(GetProcessHeap(), 0, countW * sizeof(WCHAR))))
                MultiByteToWideChar(CP_ACP, 0, nameA, -1, nameW, countW);
            }
            result = EDIT_WM_Create(es, nameW);
                    HeapFree(GetProcessHeap(), 0, nameW);
        }
        break;
 
    case WM_CUT:
        EDIT_WM_Cut(es);
        break;
 
    case WM_ENABLE:
                es->bEnableState = (BOOL) wParam;
        EDIT_UpdateText(es, NULL, TRUE);
        break;
 
    case WM_ERASEBKGND:
        /* we do the proper erase in EDIT_WM_Paint */
        result = 1;
        break;
 
    case WM_GETFONT:
        result = (LRESULT)es->font;
        break;
 
    case WM_GETTEXT:
        result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, (LPWSTR)lParam, unicode);
        break;
 
    case WM_GETTEXTLENGTH:
                if (unicode) result = get_text_length(es);
                else result = WideCharToMultiByte( CP_ACP, 0, es->text, get_text_length(es),
                                                   NULL, 0, NULL, NULL );
        break;
 
    case WM_HSCROLL:
        result = EDIT_WM_HScroll(es, LOWORD(wParam), (short)HIWORD(wParam));
        break;
 
    case WM_KEYDOWN:
        result = EDIT_WM_KeyDown(es, (INT)wParam);
        break;
 
    case WM_KILLFOCUS:
        result = EDIT_WM_KillFocus(es);
        break;
 
    case WM_LBUTTONDBLCLK:
        result = EDIT_WM_LButtonDblClk(es);
        break;
 
    case WM_LBUTTONDOWN:
        result = EDIT_WM_LButtonDown(es, wParam, (short)LOWORD(lParam), (short)HIWORD(lParam));
        break;
 
    case WM_LBUTTONUP:
        result = EDIT_WM_LButtonUp(es);
        break;
 
    case WM_MBUTTONDOWN:
        result = EDIT_WM_MButtonDown(es);
        break;
 
    case WM_MOUSEMOVE:
        result = EDIT_WM_MouseMove(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
        break;
 
    case WM_PRINTCLIENT:
    case WM_PAINT:
            EDIT_WM_Paint(es, (HDC)wParam);
        break;
 
    case WM_PASTE:
        EDIT_WM_Paste(es);
        break;
 
    case WM_SETFOCUS:
        EDIT_WM_SetFocus(es);
        break;
 
    case WM_SETFONT:
        EDIT_WM_SetFont(es, (HFONT)wParam, LOWORD(lParam) != 0);
        break;
 
    case WM_SETREDRAW:
        /* FIXME: actually set an internal flag and behave accordingly */
        break;
 
    case WM_SETTEXT:
        EDIT_WM_SetText(es, (LPCWSTR)lParam, unicode);
        result = TRUE;
        break;
 
    case WM_SIZE:
        EDIT_WM_Size(es, (UINT)wParam);
        break;
 
        case WM_STYLECHANGED:
                result = EDIT_WM_StyleChanged(es, wParam, (const STYLESTRUCT *)lParam);
                break;
 
        case WM_STYLECHANGING:
                result = 0; /* See EDIT_WM_StyleChanged */
                break;
 
    case WM_SYSKEYDOWN:
        result = EDIT_WM_SysKeyDown(es, (INT)wParam, (DWORD)lParam);
        break;
 
    case WM_VSCROLL:
#ifdef __REACTOS__
    {
        SCROLLINFO si;
 
        si.cbSize = sizeof(si);
        si.fMask = SIF_TRACKPOS;
        if (!GetScrollInfo(hwnd, SB_VERT, &si))
        {
            result = 1;
            break;
        }
        result = EDIT_WM_VScroll(es, LOWORD(wParam), si.nTrackPos);
    }
#else
        result = EDIT_WM_VScroll(es, LOWORD(wParam), (short)HIWORD(wParam));
        break;
#endif
 
        case WM_CAPTURECHANGED:
            es->bCaptureState = FALSE;
            break;
 
        case WM_MOUSEWHEEL:
                {
                    int wheelDelta;
                    INT pulScrollLines = 3;
                    SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
 
                    if (wParam & (MK_SHIFT | MK_CONTROL)) {
                        result = DefWindowProcW(hwnd, msg, wParam, lParam);
                        break;
                    }
                    wheelDelta = GET_WHEEL_DELTA_WPARAM(wParam);
                    /* if scrolling changes direction, ignore left overs */
                    if ((wheelDelta < 0 && es->wheelDeltaRemainder < 0) ||
                        (wheelDelta > 0 && es->wheelDeltaRemainder > 0))
                        es->wheelDeltaRemainder += wheelDelta;
                    else
                        es->wheelDeltaRemainder = wheelDelta;
                    if (es->wheelDeltaRemainder && pulScrollLines)
                    {
                        int cLineScroll;
                        pulScrollLines = min(es->line_count, pulScrollLines);
                        cLineScroll = pulScrollLines * es->wheelDeltaRemainder / WHEEL_DELTA;
                        es->wheelDeltaRemainder -= WHEEL_DELTA * cLineScroll / pulScrollLines;
                        result = EDIT_EM_LineScroll(es, 0, -cLineScroll);
                    }
                }
                break;
 
 
    /* IME messages to make the edit control IME aware */
    case WM_IME_SETCONTEXT:
#ifdef __REACTOS__
        {
            HKL hKL = GetKeyboardLayout(0);
 
            /* Korean doesn't want composition window */
            if (PRIMARYLANGID(LOWORD(hKL)) == LANG_KOREAN)
                lParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
 
            if (wParam)
            {
                HIMC hIMC = ImmGetContext(hwnd);
                LPINPUTCONTEXTDX pIC = (LPINPUTCONTEXTDX)ImmLockIMC(hIMC);
                if (pIC)
                {
                    pIC->dwUIFlags &= ~0x40000;
                    ImmUnlockIMC(hIMC);
                }
                if (GetWin32ClientInfo()->CI_flags & CI_WOW)
                    ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
                ImmReleaseContext(hwnd, hIMC);
            }
 
            result = DefWindowProcT(hwnd, WM_IME_SETCONTEXT, wParam, lParam, unicode);
        }
#else
        NtUserGetCaretPos(&pt);
        EDIT_UpdateImmCompositionWindow(es, pt.x, pt.y);
        EDIT_UpdateImmCompositionFont(es);
#endif
        break;
 
#ifdef __REACTOS__
    case WM_IME_STARTCOMPOSITION:
        {
            HKL hKL = GetKeyboardLayout(0);
 
            /* Korean doesn't want composition window */
            if (PRIMARYLANGID(LOWORD(hKL)) == LANG_KOREAN)
                return TRUE;
 
            result = DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
        }
        break;
#endif
 
    case WM_IME_COMPOSITION:
        EDIT_EM_ReplaceSel(es, TRUE, NULL, 0, TRUE, TRUE);
        if ((lParam & GCS_RESULTSTR) && (es->ime_status & EIMES_GETCOMPSTRATONCE))
            EDIT_ImeComposition(hwnd, lParam, es);
        return DefWindowProcW(hwnd, msg, wParam, lParam);
 
    case WM_IME_SELECT:
#ifdef __REACTOS__
        result = DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
#endif
        break;
 
    case WM_IME_CONTROL:
#ifdef __REACTOS__
        result = DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
#endif
        break;
 
    case WM_IME_REQUEST:
        switch (wParam)
        {
                    case IMR_QUERYCHARPOSITION:
                    {
                        LRESULT pos;
                        IMECHARPOSITION *chpos = (IMECHARPOSITION *)lParam;
 
                        pos = EDIT_EM_PosFromChar(es, es->selection_start + chpos->dwCharPos, FALSE);
                        chpos->pt.x = LOWORD(pos);
                        chpos->pt.y = HIWORD(pos);
                        chpos->cLineHeight = es->line_height;
                        chpos->rcDocument = es->format_rect;
                        MapWindowPoints(hwnd, 0, &chpos->pt, 1);
                        MapWindowPoints(hwnd, 0, (POINT*)&chpos->rcDocument, 2);
                        result = 1;
                        break;
                    }
        }
        break;
 
    default:
        result = DefWindowProcT(hwnd, msg, wParam, lParam, unicode);
        break;
    }
 
#ifdef __REACTOS__
        /* ReactOS: check GetWindowLong in case es has been destroyed during processing */
        if (IsWindow(hwnd) && es && msg != EM_GETHANDLE && GetWindowLongPtrW(hwnd, 0))
#else
        if (IsWindow(hwnd) && es && msg != EM_GETHANDLE)
#endif
            EDIT_UnlockBuffer(es, FALSE);
 
        TRACE("hwnd=%p msg=%x (%s) -- 0x%08Ix\n", hwnd, msg, SPY_GetMsgName(msg, hwnd), result);
 
    return result;

Referenced by RegisterClientPFN().

get_app_version()

DWORD get_app_version

(

void

)

Definition at line 215 of file edit.c.

{
    static DWORD version;
    if (!version)
    {
        DWORD dwEmulatedVersion;
        OSVERSIONINFOW info;
        DWORD dwProcVersion = GetProcessVersion(0);
 
    info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
        GetVersionExW( &info );
        dwEmulatedVersion = MAKELONG( info.dwMinorVersion, info.dwMajorVersion );
        /* FIXME: this may not be 100% correct; see discussion on the
         * wine developer list in Nov 1999 */
        version = dwProcVersion < dwEmulatedVersion ? dwProcVersion : dwEmulatedVersion;
    }
    return version;

Referenced by EDIT_NotifyCtlColor().

get_cjk_fontinfo_margin()

static int get_cjk_fontinfo_margin ( int  width, int  side_bearing  )

static

Definition at line 3014 of file edit.c.

{
    int margin;
    if (side_bearing < 0)
        margin = min(-side_bearing, width/2);
    else
        margin = 0;
    return margin;

get_control_state()

static EDITSTATE * get_control_state ( HWND  hwnd )

static

Definition at line 164 of file edit.c.

{
    return (EDITSTATE *)NtUserGetPrivateData( hwnd, 0, sizeof(EDITSTATE *) );

Referenced by EditWndProc_common().

get_font_margins()

static DWORD get_font_margins ( HDC  hdc, const TEXTMETRICW *  tm, BOOL  unicode  )

static

Definition at line 4028 of file edit.c.

{
    ABC abc[256];
    SHORT left, right;
    UINT i;
 
    if (!(tm->tmPitchAndFamily & (TMPF_VECTOR | TMPF_TRUETYPE)))
        return MAKELONG(EC_USEFONTINFO, EC_USEFONTINFO);
 
    if (unicode) {
        if (!is_cjk_charset(hdc) && !is_cjk_font(hdc))
            return MAKELONG(EC_USEFONTINFO, EC_USEFONTINFO);
        if (!GetCharABCWidthsW(hdc, 0, 255, abc))
            return 0;
    }
    else if (is_cjk_charset(hdc)) {
        if (!GetCharABCWidthsA(hdc, 0, 255, abc))
            return 0;
    }
    else
        return MAKELONG(EC_USEFONTINFO, EC_USEFONTINFO);
 
    left = right = 0;
    for (i = 0; i < ARRAY_SIZE(abc); i++) {
        if (-abc[i].abcA > right) right = -abc[i].abcA;
        if (-abc[i].abcC > left ) left  = -abc[i].abcC;
    }
    return MAKELONG(left, right);

get_text_length()

static UINT get_text_length ( EDITSTATE *  es )

inlinestatic

Definition at line 257 of file edit.c.

{
    if(es->text_length == (UINT)-1)
        es->text_length = lstrlenW(es->text);
    return es->text_length;

get_vertical_line_count()

static INT get_vertical_line_count ( EDITSTATE *  es )

inlinestatic

Definition at line 511 of file edit.c.

{
    INT vlc = es->line_height ? (es->format_rect.bottom - es->format_rect.top) / es->line_height : 0;
    return max(1,vlc);

GetCharWidthInfo()

BOOL WINAPI GetCharWidthInfo	(	HDC	,
		struct char_width_info *
	)

is_cjk_charset()

static BOOL is_cjk_charset ( HDC  dc )

static

Definition at line 2996 of file edit.c.

{
    switch (GdiGetCodePage(dc)) {
    case 932: case 936: case 949: case 950: case 1361:
        return TRUE;
    default:
        return FALSE;
    }

is_cjk_font()

static BOOL is_cjk_font ( HDC  dc )

static

Definition at line 3006 of file edit.c.

{
    const DWORD FS_DBCS_MASK = FS_JISJAPAN|FS_CHINESESIMP|FS_WANSUNG|FS_CHINESETRAD|FS_JOHAB;
    FONTSIGNATURE fs;
    return (GetTextCharsetInfo(dc, &fs, 0) != DEFAULT_CHARSET &&
            (fs.fsCsb[0] & FS_DBCS_MASK));

notify_parent()

static BOOL notify_parent ( const EDITSTATE *  es, INT  code  )

inlinestatic

Definition at line 156 of file edit.c.

{
    HWND hwnd = es->hwndSelf;
    TRACE("notification %d sent to %p.\n", code, es->hwndParent);
    SendMessageW(es->hwndParent, WM_COMMAND, MAKEWPARAM(GetWindowLongPtrW(es->hwndSelf, GWLP_ID), code), (LPARAM)es->hwndSelf);
    return IsWindow(hwnd);

set_control_state()

static EDITSTATE * set_control_state ( HWND  hwnd, EDITSTATE *  state  )

static

Definition at line 169 of file edit.c.

{
    return (EDITSTATE *)NtUserSetPrivateData( hwnd, 0, sizeof(EDITSTATE *), (LONG_PTR)state );

Referenced by EDIT_WM_NCCreate(), and EDIT_WM_NCDestroy().

text_buffer_changed()

static void text_buffer_changed ( EDITSTATE *  es )

inlinestatic

Definition at line 1292 of file edit.c.

{
    es->text_length = (UINT)-1;
 
    HeapFree( GetProcessHeap(), 0, es->logAttr );
    es->logAttr = NULL;
    EDIT_InvalidateUniscribeData(es);

WINE_DECLARE_DEBUG_CHANNEL() [1/2]

WINE_DECLARE_DEBUG_CHANNEL

(

combo

)

WINE_DECLARE_DEBUG_CHANNEL() [2/2]

WINE_DECLARE_DEBUG_CHANNEL

(

relay

)

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

edit

)