listbox.c File Reference

#include <user32.h>

Include dependency graph for listbox.c:

Go to the source code of this file.

Classes
struct	LB_ITEMDATA
struct	LB_DESCR

Macros
#define	LB_ARRAY_GRANULARITY   16
#define	LB_SCROLL_TIMEOUT   50
#define	LB_TIMER_ID   2
#define	LBS_DISPLAYCHANGED   0x80000000
#define	IS_OWNERDRAW(descr)    ((descr)->style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE))
#define	HAS_STRINGS(descr)    (!IS_OWNERDRAW(descr) || ((descr)->style & LBS_HASSTRINGS))
#define	IS_MULTISELECT(descr)
#define	SEND_NOTIFICATION(descr, code)
#define	ISWIN31   (LOWORD(GetVersion()) == 0x0a03)
#define	ATTRIBS

Enumerations
enum	TIMER_DIRECTION {   LB_TIMER_NONE , LB_TIMER_UP , LB_TIMER_LEFT , LB_TIMER_DOWN ,   LB_TIMER_RIGHT , LB_TIMER_NONE , LB_TIMER_UP , LB_TIMER_LEFT ,   LB_TIMER_DOWN , LB_TIMER_RIGHT }

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (listbox)
static LRESULT	LISTBOX_GetItemRect (const LB_DESCR *descr, INT index, RECT *rect)
static LB_DESCR *	get_control_state (HWND hwnd)
static LB_DESCR *	set_control_state (HWND hwnd, LB_DESCR *state)
static size_t	get_sizeof_item (const LB_DESCR *descr)
static BOOL	resize_storage (LB_DESCR *descr, UINT items_size)
static ULONG_PTR	get_item_data (const LB_DESCR *descr, UINT index)
static void	set_item_data (LB_DESCR *descr, UINT index, ULONG_PTR data)
static WCHAR *	get_item_string (const LB_DESCR *descr, UINT index)
static void	set_item_string (const LB_DESCR *descr, UINT index, WCHAR *string)
static UINT	get_item_height (const LB_DESCR *descr, UINT index)
static void	set_item_height (LB_DESCR *descr, UINT index, UINT height)
static BOOL	is_item_selected (const LB_DESCR *descr, UINT index)
static void	set_item_selected_state (LB_DESCR *descr, UINT index, BOOL state)
static void	insert_item_data (LB_DESCR *descr, UINT index)
static void	remove_item_data (LB_DESCR *descr, UINT index)
static INT	LISTBOX_GetCurrentPageSize (const LB_DESCR *descr)
static INT	LISTBOX_GetMaxTopIndex (const LB_DESCR *descr)
static void	LISTBOX_UpdateScroll (LB_DESCR *descr)
static LRESULT	LISTBOX_SetTopItem (LB_DESCR *descr, INT index, BOOL scroll)
static void	LISTBOX_UpdatePage (LB_DESCR *descr)
static void	LISTBOX_UpdateSize (LB_DESCR *descr)
static INT	LISTBOX_GetItemFromPoint (const LB_DESCR *descr, INT x, INT y)
static void	LISTBOX_PaintItem (LB_DESCR *descr, HDC hdc, const RECT *rect, INT index, UINT action, BOOL ignoreFocus)
static void	LISTBOX_SetRedraw (LB_DESCR *descr, BOOL on)
static void	LISTBOX_RepaintItem (LB_DESCR *descr, INT index, UINT action)
static void	LISTBOX_DrawFocusRect (LB_DESCR *descr, BOOL on)
static LRESULT	LISTBOX_InitStorage (LB_DESCR *descr, INT nb_items)
static BOOL	LISTBOX_SetTabStops (LB_DESCR *descr, INT count, LPINT tabs)
static LRESULT	LISTBOX_GetText (LB_DESCR *descr, INT index, LPWSTR buffer, BOOL unicode)
static INT	LISTBOX_lstrcmpiW (LCID lcid, LPCWSTR str1, LPCWSTR str2, int len)
static INT	LISTBOX_FindStringPos (LB_DESCR *descr, LPCWSTR str, BOOL exact)
static INT	LISTBOX_FindFileStrPos (LB_DESCR *descr, LPCWSTR str)
static INT	LISTBOX_FindString (LB_DESCR *descr, INT start, LPCWSTR str, BOOL exact)
static LRESULT	LISTBOX_GetSelCount (const LB_DESCR *descr)
static LRESULT	LISTBOX_GetSelItems (const LB_DESCR *descr, INT max, LPINT array)
static LRESULT	LISTBOX_Paint (LB_DESCR *descr, HDC hdc)
static void	LISTBOX_InvalidateItems (LB_DESCR *descr, INT index)
static void	LISTBOX_InvalidateItemRect (LB_DESCR *descr, INT index)
static LRESULT	LISTBOX_GetItemHeight (const LB_DESCR *descr, INT index)
static LRESULT	LISTBOX_SetItemHeight (LB_DESCR *descr, INT index, INT height, BOOL repaint)
static void	LISTBOX_SetHorizontalPos (LB_DESCR *descr, INT pos)
static LRESULT	LISTBOX_SetHorizontalExtent (LB_DESCR *descr, INT extent)
static LRESULT	LISTBOX_SetColumnWidth (LB_DESCR *descr, INT column_width)
static INT	LISTBOX_SetFont (LB_DESCR *descr, HFONT font)
static void	LISTBOX_MakeItemVisible (LB_DESCR *descr, INT index, BOOL fully)
static LRESULT	LISTBOX_SetCaretIndex (LB_DESCR *descr, INT index, BOOL fully_visible)
static LRESULT	LISTBOX_SelectItemRange (LB_DESCR *descr, INT first, INT last, BOOL on)
static LRESULT	LISTBOX_SetSelection (LB_DESCR *descr, INT index, BOOL on, BOOL send_notify)
static void	LISTBOX_MoveCaret (LB_DESCR *descr, INT index, BOOL fully_visible)
static LRESULT	LISTBOX_InsertItem (LB_DESCR *descr, INT index, LPWSTR str, ULONG_PTR data)
static LRESULT	LISTBOX_InsertString (LB_DESCR *descr, INT index, LPCWSTR str)
static void	LISTBOX_DeleteItem (LB_DESCR *descr, INT index)
static LRESULT	LISTBOX_RemoveItem (LB_DESCR *descr, INT index)
static void	LISTBOX_ResetContent (LB_DESCR *descr)
static LRESULT	LISTBOX_SetCount (LB_DESCR *descr, UINT count)
static LRESULT	LISTBOX_Directory (LB_DESCR *descr, UINT attrib, LPCWSTR filespec, BOOL long_names)
static LRESULT	LISTBOX_HandleVScroll (LB_DESCR *descr, WORD scrollReq, WORD pos)
static LRESULT	LISTBOX_HandleHScroll (LB_DESCR *descr, WORD scrollReq, WORD pos)
static LRESULT	LISTBOX_HandleMouseWheel (LB_DESCR *descr, SHORT delta)
static LRESULT	LISTBOX_HandleLButtonDown (LB_DESCR *descr, DWORD keys, INT x, INT y)
static LRESULT	LISTBOX_HandleLButtonDownCombo (LB_DESCR *descr, UINT msg, DWORD keys, INT x, INT y)
static LRESULT	LISTBOX_HandleLButtonUp (LB_DESCR *descr)
static LRESULT	LISTBOX_HandleTimer (LB_DESCR *descr, INT index, TIMER_DIRECTION dir)
static LRESULT	LISTBOX_HandleSystemTimer (LB_DESCR *descr)
static void	LISTBOX_HandleMouseMove (LB_DESCR *descr, INT x, INT y)
static LRESULT	LISTBOX_HandleKeyDown (LB_DESCR *descr, DWORD key)
static LRESULT	LISTBOX_HandleChar (LB_DESCR *descr, WCHAR charW)
static BOOL	LISTBOX_update_uistate (LB_DESCR *descr)
static BOOL	LISTBOX_Create (HWND hwnd, LPHEADCOMBO lphc)
static BOOL	LISTBOX_Destroy (LB_DESCR *descr)
LRESULT WINAPI	ListBoxWndProc_common (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode)

Variables
static TIMER_DIRECTION	LISTBOX_Timer = LB_TIMER_NONE

Macro Definition Documentation

ATTRIBS

#define ATTRIBS

Value:

                 (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | \
                 FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE)

HAS_STRINGS

#define HAS_STRINGS

(

descr

)

(!IS_OWNERDRAW(descr) || ((descr)->style & LBS_HASSTRINGS))

Definition at line 101 of file listbox.c.

IS_MULTISELECT

#define IS_MULTISELECT

(

descr

)

Value:

    ((descr)->style & (LBS_MULTIPLESEL|LBS_EXTENDEDSEL) && \
     !((descr)->style & LBS_NOSEL))

Definition at line 105 of file listbox.c.

IS_OWNERDRAW

#define IS_OWNERDRAW

(

descr

)

((descr)->style & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE))

Definition at line 98 of file listbox.c.

ISWIN31

#define ISWIN31   (LOWORD(GetVersion()) == 0x0a03)

Definition at line 113 of file listbox.c.

LB_ARRAY_GRANULARITY

#define LB_ARRAY_GRANULARITY   16

Definition at line 38 of file listbox.c.

LB_SCROLL_TIMEOUT

#define LB_SCROLL_TIMEOUT   50

Definition at line 41 of file listbox.c.

LB_TIMER_ID

#define LB_TIMER_ID   2

Definition at line 44 of file listbox.c.

LBS_DISPLAYCHANGED

#define LBS_DISPLAYCHANGED   0x80000000

Definition at line 47 of file listbox.c.

SEND_NOTIFICATION

#define SEND_NOTIFICATION	(		descr,
			code
	)

Value:

    (SendMessageW( (descr)->owner, WM_COMMAND, \
     MAKEWPARAM( GetWindowLongPtrW((descr->self),GWLP_ID), (code)), (LPARAM)(descr->self) ))

Definition at line 109 of file listbox.c.

Enumeration Type Documentation

TIMER_DIRECTION

enum TIMER_DIRECTION

Enumerator
LB_TIMER_NONE
LB_TIMER_UP
LB_TIMER_LEFT
LB_TIMER_DOWN
LB_TIMER_RIGHT
LB_TIMER_NONE
LB_TIMER_UP
LB_TIMER_LEFT
LB_TIMER_DOWN
LB_TIMER_RIGHT

Definition at line 116 of file listbox.c.

{
    LB_TIMER_NONE,
    LB_TIMER_UP,
    LB_TIMER_LEFT,
    LB_TIMER_DOWN,
    LB_TIMER_RIGHT
} TIMER_DIRECTION;

Function Documentation

get_control_state()

static LB_DESCR * get_control_state ( HWND  hwnd )

static

Definition at line 162 of file listbox.c.

{
    return (LB_DESCR *)NtUserGetPrivateData( hwnd, 0, sizeof(LB_DESCR *) );
}

Referenced by ListBoxWndProc_common().

get_item_data()

static ULONG_PTR get_item_data ( const LB_DESCR *  descr, UINT  index  )

static

Definition at line 216 of file listbox.c.

{
    return (descr->style & LBS_NODATA) ? 0 : descr->u.items[index].data;
}

get_item_height()

static UINT get_item_height ( const LB_DESCR *  descr, UINT  index  )

static

Definition at line 236 of file listbox.c.

{
    return (descr->style & LBS_NODATA) ? 0 : descr->u.items[index].height;
}

get_item_string()

static WCHAR * get_item_string ( const LB_DESCR *  descr, UINT  index  )

static

Definition at line 226 of file listbox.c.

{
    return HAS_STRINGS(descr) ? descr->u.items[index].str : NULL;
}

get_sizeof_item()

static size_t get_sizeof_item ( const LB_DESCR *  descr )

static

Definition at line 182 of file listbox.c.

{
    return (descr->style & LBS_NODATA) ? sizeof(BYTE) : sizeof(LB_ITEMDATA);
}

insert_item_data()

static void insert_item_data ( LB_DESCR *  descr, UINT  index  )

static

Definition at line 267 of file listbox.c.

{
    size_t size = get_sizeof_item(descr);
    BYTE *p = descr->u.nodata_items + index * size;
 
    if (!descr->u.items) return;
 
    if (index < descr->nb_items)
        memmove(p + size, p, (descr->nb_items - index) * size);
}

is_item_selected()

static BOOL is_item_selected ( const LB_DESCR *  descr, UINT  index  )

static

Definition at line 246 of file listbox.c.

{
    if (!(descr->style & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL)))
        return index == descr->selected_item;
    if (descr->style & LBS_NODATA)
        return descr->u.nodata_items[index];
    else
        return descr->u.items[index].selected;
}

LISTBOX_Create()

static BOOL LISTBOX_Create ( HWND  hwnd, LPHEADCOMBO  lphc  )

static

Definition at line 2702 of file listbox.c.

{
    LB_DESCR *descr;
    MEASUREITEMSTRUCT mis;
    RECT rect;
 
    if (!(descr = HeapAlloc( GetProcessHeap(), 0, sizeof(*descr) )))
        return FALSE;
 
    GetClientRect( hwnd, &rect );
    descr->self          = hwnd;
    descr->owner         = GetParent( descr->self );
    descr->style         = GetWindowLongPtrW( descr->self, GWL_STYLE );
    descr->width         = rect.right - rect.left;
    descr->height        = rect.bottom - rect.top;
    descr->u.items       = NULL;
    descr->items_size    = 0;
    descr->nb_items      = 0;
    descr->top_item      = 0;
    descr->selected_item = -1;
    descr->focus_item    = 0;
    descr->anchor_item   = -1;
    descr->item_height   = 1;
    descr->page_size     = 1;
    descr->column_width  = 150;
    descr->horz_extent   = 0;
    descr->horz_pos      = 0;
    descr->nb_tabs       = 0;
    descr->tabs          = NULL;
    descr->wheel_remain  = 0;
    descr->caret_on      = !lphc;
    if (descr->style & LBS_NOSEL) descr->caret_on = FALSE;
    descr->in_focus      = FALSE;
    descr->captured      = FALSE;
    descr->font          = 0;
    descr->locale        = GetUserDefaultLCID();
    descr->lphc      = lphc;
 
    if( lphc )
    {
        TRACE("[%p]: resetting owner %p -> %p\n", descr->self, descr->owner, lphc->self );
        descr->owner = lphc->self;
    }
 
    set_control_state( descr->self, descr );
 
    LISTBOX_update_uistate(descr); // ReactOS
 
/*    if (wnd->dwExStyle & WS_EX_NOPARENTNOTIFY) descr->style &= ~LBS_NOTIFY;
 */
    if (descr->style & LBS_EXTENDEDSEL) descr->style |= LBS_MULTIPLESEL;
    if (descr->style & LBS_MULTICOLUMN) descr->style &= ~LBS_OWNERDRAWVARIABLE;
    if (descr->style & LBS_OWNERDRAWVARIABLE) descr->style |= LBS_NOINTEGRALHEIGHT;
 
    /* A no-data list box must also have the LBS_OWNERDRAWFIXED style, but must
       not have the LBS_SORT or LBS_HASSTRINGS style. */
    if ( descr->style & LBS_NODATA &&
        (!(descr->style & LBS_OWNERDRAWFIXED) || descr->style & (LBS_HASSTRINGS|LBS_SORT) ) )
       descr->style &= ~LBS_NODATA;
    if ((descr->style & (LBS_OWNERDRAWFIXED | LBS_HASSTRINGS | LBS_SORT)) != LBS_OWNERDRAWFIXED)
        descr->style &= ~LBS_NODATA;
    descr->item_height = LISTBOX_SetFont( descr, 0 );
 
    if (descr->style & LBS_OWNERDRAWFIXED)
    {
        descr->style &= ~LBS_OWNERDRAWVARIABLE;
 
    if( descr->lphc && (descr->lphc->dwStyle & CBS_DROPDOWN))
    {
        /* WinWord gets VERY unhappy if we send WM_MEASUREITEM from here */
      descr->item_height = lphc->fixedOwnerDrawHeight;
    }
    else
    {
            UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
            mis.CtlType    = ODT_LISTBOX;
            mis.CtlID      = id;
            mis.itemID     = -1;
            mis.itemWidth  =  0;
            mis.itemData   =  0;
            mis.itemHeight = descr->item_height;
            SendMessageW( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
            descr->item_height = mis.itemHeight ? mis.itemHeight : 1;
    }
    }
 
    TRACE("owner: %p, style: %08x, width: %d, height: %d\n", descr->owner, descr->style, descr->width, descr->height);
    return TRUE;
}

LISTBOX_DeleteItem()

static void LISTBOX_DeleteItem ( LB_DESCR *  descr, INT  index  )

static

Definition at line 1841 of file listbox.c.

{
    /* Note: Win 3.1 only sends DELETEITEM on owner-draw items,
     *       while Win95 sends it for all items with user data.
     *       It's probably better to send it too often than not
     *       often enough, so this is what we do here.
     */
    if (IS_OWNERDRAW(descr) || get_item_data(descr, index))
    {
        DELETEITEMSTRUCT dis;
        UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
 
        dis.CtlType  = ODT_LISTBOX;
        dis.CtlID    = id;
        dis.itemID   = index;
        dis.hwndItem = descr->self;
        dis.itemData = get_item_data(descr, index);
        SendMessageW( descr->owner, WM_DELETEITEM, id, (LPARAM)&dis );
    }
    HeapFree( GetProcessHeap(), 0, get_item_string(descr, index) );
}

LISTBOX_Destroy()

static BOOL LISTBOX_Destroy ( LB_DESCR *  descr )

static

Definition at line 2798 of file listbox.c.

{
    LISTBOX_ResetContent( descr );
    set_control_state( descr->self, NULL );
    HeapFree( GetProcessHeap(), 0, descr );
    return TRUE;
}

LISTBOX_Directory()

static LRESULT LISTBOX_Directory ( LB_DESCR *  descr, UINT  attrib, LPCWSTR  filespec, BOOL  long_names  )

static

Definition at line 1987 of file listbox.c.

{
    HANDLE handle;
    LRESULT ret = LB_OKAY;
    WIN32_FIND_DATAW entry;
    int pos;
    LRESULT maxinsert = LB_ERR;
 
    /* don't scan directory if we just want drives exclusively */
    if (attrib != (DDL_DRIVES | DDL_EXCLUSIVE)) {
        /* scan directory */
        if ((handle = FindFirstFileW(filespec, &entry)) == INVALID_HANDLE_VALUE)
        {
         int le = GetLastError();
            if ((le != ERROR_NO_MORE_FILES) && (le != ERROR_FILE_NOT_FOUND)) return LB_ERR;
        }
        else
        {
            do
            {
                WCHAR buffer[270];
                if (entry.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
                {
                    if (!(attrib & DDL_DIRECTORY) ||
                        !wcscmp( entry.cFileName, L"." )) continue;
                    buffer[0] = '[';
                    if (!long_names && entry.cAlternateFileName[0])
                        lstrcpyW( buffer + 1, entry.cAlternateFileName );
                    else
                        lstrcpyW( buffer + 1, entry.cFileName );
                    lstrcatW(buffer, L"]");
                }
                else  /* not a directory */
                {
#define ATTRIBS (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | \
                 FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE)
 
                    if ((attrib & DDL_EXCLUSIVE) &&
                        ((attrib & ATTRIBS) != (entry.dwFileAttributes & ATTRIBS)))
                        continue;
#undef ATTRIBS
                    if (!long_names && entry.cAlternateFileName[0])
                        lstrcpyW( buffer, entry.cAlternateFileName );
                    else
                        lstrcpyW( buffer, entry.cFileName );
                }
                if (!long_names) CharLowerW( buffer );
                pos = LISTBOX_FindFileStrPos( descr, buffer );
                if ((ret = LISTBOX_InsertString( descr, pos, buffer )) < 0)
                    break;
                if (ret <= maxinsert) maxinsert++; else maxinsert = ret;
            } while (FindNextFileW( handle, &entry ));
            FindClose( handle );
        }
    }
    if (ret >= 0)
    {
        ret = maxinsert;
 
        /* scan drives */
        if (attrib & DDL_DRIVES)
        {
            WCHAR buffer[] = L"[-a-]";
            WCHAR root[] = L"A:\\";
            int drive;
            for (drive = 0; drive < 26; drive++, buffer[2]++, root[0]++)
            {
                if (GetDriveTypeW(root) <= DRIVE_NO_ROOT_DIR) continue;
                if ((ret = LISTBOX_InsertString( descr, -1, buffer )) < 0)
                    break;
            }
        }
    }
    return ret;
}

LISTBOX_DrawFocusRect()

static void LISTBOX_DrawFocusRect ( LB_DESCR *  descr, BOOL  on  )

static

Definition at line 886 of file listbox.c.

{
    HDC hdc;
    RECT rect;
    HFONT oldFont = 0;
 
    /* Do not repaint the item if the item is not visible */
    if (!IsWindowVisible(descr->self)) return;
 
    if (descr->focus_item == -1) return;
    if (!descr->caret_on || !descr->in_focus) return;
 
    if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) != 1) return;
    if (!(hdc = NtUserGetDCEx( descr->self, 0, DCX_CACHE ))) return;
    if (descr->font) oldFont = SelectObject( hdc, descr->font );
    if (!IsWindowEnabled(descr->self))
        SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
    SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
    LISTBOX_PaintItem( descr, hdc, &rect, descr->focus_item, ODA_FOCUS, !on );
    if (oldFont) SelectObject( hdc, oldFont );
    NtUserReleaseDC( descr->self, hdc );
}

LISTBOX_FindFileStrPos()

static INT LISTBOX_FindFileStrPos ( LB_DESCR *  descr, LPCWSTR  str  )

static

Definition at line 1073 of file listbox.c.

{
    INT min, max, res;
 
    if (!HAS_STRINGS(descr))
        return LISTBOX_FindStringPos( descr, str, FALSE );
    min = 0;
    max = descr->nb_items;
    while (min != max)
    {
        INT index = (min + max) / 2;
        LPCWSTR p = get_item_string(descr, index);
        if (*p == '[')  /* drive or directory */
        {
            if (*str != '[') res = -1;
            else if (p[1] == '-')  /* drive */
            {
                if (str[1] == '-') res = str[2] - p[2];
                else res = -1;
            }
            else  /* directory */
            {
                if (str[1] == '-') res = 1;
                else res = LISTBOX_lstrcmpiW( descr->locale, str, p, -1 );
            }
        }
        else  /* filename */
        {
            if (*str == '[') res = 1;
            else res = LISTBOX_lstrcmpiW( descr->locale, str, p, -1 );
        }
        if (!res) return index;
        if (res < 0) max = index;
        else min = index + 1;
    }
    return max;
}

LISTBOX_FindString()

static INT LISTBOX_FindString ( LB_DESCR *  descr, INT  start, LPCWSTR  str, BOOL  exact  )

static

Definition at line 1117 of file listbox.c.

{
    INT i, index;
 
    if (descr->style & LBS_NODATA)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
        return LB_ERR;
    }
 
    start++;
    if (start >= descr->nb_items) start = 0;
    if (HAS_STRINGS(descr))
    {
        if (!str || ! str[0] ) return LB_ERR;
        if (exact)
        {
            for (i = 0, index = start; i < descr->nb_items; i++, index++)
            {
                if (index == descr->nb_items) index = 0;
                if (!LISTBOX_lstrcmpiW(descr->locale, str, get_item_string(descr, index), -1))
                    return index;
            }
        }
        else
        {
            /* Special case for drives and directories: ignore prefix */
            INT len = lstrlenW(str);
            WCHAR *item_str;
 
            for (i = 0, index = start; i < descr->nb_items; i++, index++)
            {
                if (index == descr->nb_items) index = 0;
                item_str = get_item_string(descr, index);
 
                if (!LISTBOX_lstrcmpiW(descr->locale, str, item_str, len)) return index;
                if (item_str[0] == '[')
                {
                    if (!LISTBOX_lstrcmpiW(descr->locale, str, item_str + 1, len)) return index;
                    if (item_str[1] == '-' && !LISTBOX_lstrcmpiW(descr->locale, str, item_str + 2, len)) return index;
                }
            }
        }
    }
    else
    {
        if (exact && (descr->style & LBS_SORT))
            /* If sorted, use a WM_COMPAREITEM binary search */
            return LISTBOX_FindStringPos( descr, str, TRUE );
 
        /* Otherwise use a linear search */
        for (i = 0, index = start; i < descr->nb_items; i++, index++)
        {
            if (index == descr->nb_items) index = 0;
            if (get_item_data(descr, index) == (ULONG_PTR)str) return index;
        }
    }
    return LB_ERR;
}

LISTBOX_FindStringPos()

static INT LISTBOX_FindStringPos ( LB_DESCR *  descr, LPCWSTR  str, BOOL  exact  )

static

Definition at line 1029 of file listbox.c.

{
    INT index, min, max, res;
 
    if (!descr->nb_items || !(descr->style & LBS_SORT)) return -1;  /* Add it at the end */
 
    min = 0;
    max = descr->nb_items - 1;
    while (min <= max)
    {
        index = (min + max) / 2;
        if (HAS_STRINGS(descr))
            res = LISTBOX_lstrcmpiW( descr->locale, get_item_string(descr, index), str, -1 );
        else
        {
            COMPAREITEMSTRUCT cis;
            UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
 
            cis.CtlType    = ODT_LISTBOX;
            cis.CtlID      = id;
            cis.hwndItem   = descr->self;
            /* note that some application (MetaStock) expects the second item
             * to be in the listbox */
            cis.itemID1    = index;
            cis.itemData1  = get_item_data(descr, index);
            cis.itemID2    = -1;
            cis.itemData2  = (ULONG_PTR)str;
            cis.dwLocaleId = descr->locale;
            res = SendMessageW( descr->owner, WM_COMPAREITEM, id, (LPARAM)&cis );
        }
        if (!res) return index;
        if (res > 0) max = index - 1;
        else min = index + 1;
    }
    return exact ? -1 : min;
}

LISTBOX_GetCurrentPageSize()

static INT LISTBOX_GetCurrentPageSize ( const LB_DESCR *  descr )

static

Definition at line 295 of file listbox.c.

{
    INT i, height;
    if (!(descr->style & LBS_OWNERDRAWVARIABLE)) return descr->page_size;
    for (i = descr->top_item, height = 0; i < descr->nb_items; i++)
    {
        if ((height += get_item_height(descr, i)) > descr->height) break;
    }
    if (i == descr->top_item) return 1;
    else return i - descr->top_item;
}

LISTBOX_GetItemFromPoint()

static INT LISTBOX_GetItemFromPoint ( const LB_DESCR *  descr, INT  x, INT  y  )

static

Definition at line 637 of file listbox.c.

{
    INT index = descr->top_item;
 
    if (!descr->nb_items) return -1;  /* No items */
    if (descr->style & LBS_OWNERDRAWVARIABLE)
    {
        INT pos = 0;
        if (y >= 0)
        {
            while (index < descr->nb_items)
            {
                if ((pos += get_item_height(descr, index)) > y) break;
                index++;
            }
        }
        else
        {
            while (index > 0)
            {
                index--;
                if ((pos -= get_item_height(descr, index)) <= y) break;
            }
        }
    }
    else if (descr->style & LBS_MULTICOLUMN)
    {
        if (y >= descr->item_height * descr->page_size) return -1;
        if (y >= 0) index += y / descr->item_height;
        if (x >= 0) index += (x / descr->column_width) * descr->page_size;
        else index -= (((x + 1) / descr->column_width) - 1) * descr->page_size;
    }
    else
    {
        index += (y / descr->item_height);
    }
    if (index < 0) return 0;
    if (index >= descr->nb_items) return -1;
    return index;
}

LISTBOX_GetItemHeight()

static LRESULT LISTBOX_GetItemHeight ( const LB_DESCR *  descr, INT  index  )

static

Definition at line 1378 of file listbox.c.

{
    if (descr->style & LBS_OWNERDRAWVARIABLE && descr->nb_items > 0)
    {
        if ((index < 0) || (index >= descr->nb_items))
        {
            SetLastError(ERROR_INVALID_INDEX);
            return LB_ERR;
        }
        return get_item_height(descr, index);
    }
    else return descr->item_height;
}

LISTBOX_GetItemRect()

static LRESULT LISTBOX_GetItemRect ( const LB_DESCR *  descr, INT  index, RECT *  rect  )

static

Definition at line 579 of file listbox.c.

{
    /* Index <= 0 is legal even on empty listboxes */
    if (index && (index >= descr->nb_items))
    {
        SetRectEmpty(rect);
        SetLastError(ERROR_INVALID_INDEX);
        return LB_ERR;
    }
    SetRect( rect, 0, 0, descr->width, descr->height );
    if (descr->style & LBS_MULTICOLUMN)
    {
        INT col = (index / descr->page_size) -
                        (descr->top_item / descr->page_size);
        rect->left += col * descr->column_width;
        rect->right = rect->left + descr->column_width;
        rect->top += (index % descr->page_size) * descr->item_height;
        rect->bottom = rect->top + descr->item_height;
    }
    else if (descr->style & LBS_OWNERDRAWVARIABLE)
    {
        INT i;
        rect->right += descr->horz_pos;
        if ((index >= 0) && (index < descr->nb_items))
        {
            if (index < descr->top_item)
            {
                for (i = descr->top_item-1; i >= index; i--)
                    rect->top -= get_item_height(descr, i);
            }
            else
            {
                for (i = descr->top_item; i < index; i++)
                    rect->top += get_item_height(descr, i);
            }
            rect->bottom = rect->top + get_item_height(descr, index);
 
        }
    }
    else
    {
        rect->top += (index - descr->top_item) * descr->item_height;
        rect->bottom = rect->top + descr->item_height;
        rect->right += descr->horz_pos;
    }
 
    TRACE("item %d, rect %s\n", index, wine_dbgstr_rect(rect));
 
    return ((rect->left < descr->width) && (rect->right > 0) &&
            (rect->top < descr->height) && (rect->bottom > 0));
}

LISTBOX_GetMaxTopIndex()

static INT LISTBOX_GetMaxTopIndex ( const LB_DESCR *  descr )

static

Definition at line 313 of file listbox.c.

{
    INT max, page;
 
    if (descr->style & LBS_OWNERDRAWVARIABLE)
    {
        page = descr->height;
        for (max = descr->nb_items - 1; max >= 0; max--)
            if ((page -= get_item_height(descr, max)) < 0) break;
        if (max < descr->nb_items - 1) max++;
    }
    else if (descr->style & LBS_MULTICOLUMN)
    {
        if ((page = descr->width / descr->column_width) < 1) page = 1;
        max = (descr->nb_items + descr->page_size - 1) / descr->page_size;
        max = (max - page) * descr->page_size;
    }
    else
    {
        max = descr->nb_items - descr->page_size;
    }
    if (max < 0) max = 0;
    return max;
}

LISTBOX_GetSelCount()

static LRESULT LISTBOX_GetSelCount ( const LB_DESCR *  descr )

static

Definition at line 1181 of file listbox.c.

{
    INT i, count;
 
    if (!(descr->style & LBS_MULTIPLESEL) ||
        (descr->style & LBS_NOSEL))
      return LB_ERR;
    for (i = count = 0; i < descr->nb_items; i++)
        if (is_item_selected(descr, i)) count++;
    return count;
}

LISTBOX_GetSelItems()

static LRESULT LISTBOX_GetSelItems ( const LB_DESCR *  descr, INT  max, LPINT  array  )

static

Definition at line 1197 of file listbox.c.

{
    INT i, count;
 
    if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
    for (i = count = 0; (i < descr->nb_items) && (count < max); i++)
        if (is_item_selected(descr, i)) array[count++] = i;
    return count;
}

LISTBOX_GetText()

static LRESULT LISTBOX_GetText ( LB_DESCR *  descr, INT  index, LPWSTR  buffer, BOOL  unicode  )

static

Definition at line 958 of file listbox.c.

{
    DWORD len;
 
    if ((index < 0) || (index >= descr->nb_items))
    {
        SetLastError(ERROR_INVALID_INDEX);
        return LB_ERR;
    }
 
    if (HAS_STRINGS(descr))
    {
        WCHAR *str = get_item_string(descr, index);
 
        if (!buffer)
        {
            len = lstrlenW(str);
            if( unicode )
                return len;
            return WideCharToMultiByte( CP_ACP, 0, str, len, NULL, 0, NULL, NULL );
        }
 
        TRACE("index %d (0x%04x) %s\n", index, index, debugstr_w(str));
 
        _SEH2_TRY  /* hide a Delphi bug that passes a read-only buffer */
        {
            if(unicode)
            {
                lstrcpyW(buffer, str);
                len = lstrlenW(buffer);
            }
            else
            {
                len = WideCharToMultiByte(CP_ACP, 0, str, -1, (LPSTR)buffer,
                                          0x7FFFFFFF, NULL, NULL) - 1;
            }
        }
        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
        {
            ERR( "got an invalid buffer (Delphi bug?)\n" );
            SetLastError( ERROR_INVALID_PARAMETER );
            len = LB_ERR;
        }
        _SEH2_END
    } else
    {
        if (buffer)
            *((ULONG_PTR *)buffer) = get_item_data(descr, index);
        len = sizeof(ULONG_PTR);
    }
    return len;
}

LISTBOX_HandleChar()

static LRESULT LISTBOX_HandleChar ( LB_DESCR *  descr, WCHAR  charW  )

static

Definition at line 2660 of file listbox.c.

{
    INT caret = -1;
    WCHAR str[2];
 
    str[0] = charW;
    str[1] = '\0';
 
    if (descr->style & LBS_WANTKEYBOARDINPUT)
    {
        caret = SendMessageW( descr->owner, WM_CHARTOITEM,
                                MAKEWPARAM(charW, descr->focus_item),
                                (LPARAM)descr->self );
        if (caret == -2) return 0;
    }
    if (caret == -1 && !(descr->style & LBS_NODATA))
        caret = LISTBOX_FindString( descr, descr->focus_item, str, FALSE);
    if (caret != -1)
    {
        if ((!IS_MULTISELECT(descr)) && descr->selected_item == -1)
           LISTBOX_SetSelection( descr, caret, TRUE, FALSE);
        LISTBOX_MoveCaret( descr, caret, TRUE );
        if ((descr->style & LBS_NOTIFY) && descr->nb_items)
            SEND_NOTIFICATION( descr, LBN_SELCHANGE );
    }
    return 0;
}

LISTBOX_HandleHScroll()

static LRESULT LISTBOX_HandleHScroll ( LB_DESCR *  descr, WORD  scrollReq, WORD  pos  )

static

Definition at line 2112 of file listbox.c.

{
    SCROLLINFO info;
    INT page;
 
    if (descr->style & LBS_MULTICOLUMN)
    {
        switch(scrollReq)
        {
        case SB_LINELEFT:
            LISTBOX_SetTopItem( descr, descr->top_item-descr->page_size,
                                TRUE );
            break;
        case SB_LINERIGHT:
            LISTBOX_SetTopItem( descr, descr->top_item+descr->page_size,
                                TRUE );
            break;
        case SB_PAGELEFT:
            page = descr->width / descr->column_width;
            if (page < 1) page = 1;
            LISTBOX_SetTopItem( descr,
                             descr->top_item - page * descr->page_size, TRUE );
            break;
        case SB_PAGERIGHT:
            page = descr->width / descr->column_width;
            if (page < 1) page = 1;
            LISTBOX_SetTopItem( descr,
                             descr->top_item + page * descr->page_size, TRUE );
            break;
        case SB_THUMBPOSITION:
            LISTBOX_SetTopItem( descr, pos*descr->page_size, TRUE );
            break;
        case SB_THUMBTRACK:
            info.cbSize = sizeof(info);
            info.fMask  = SIF_TRACKPOS;
#ifdef __REACTOS__
            GetScrollInfo( descr->self, SB_HORZ, &info );
#else
            GetScrollInfo( descr->self, SB_VERT, &info );
#endif
            LISTBOX_SetTopItem( descr, info.nTrackPos*descr->page_size,
                                TRUE );
            break;
        case SB_LEFT:
            LISTBOX_SetTopItem( descr, 0, TRUE );
            break;
        case SB_RIGHT:
            LISTBOX_SetTopItem( descr, descr->nb_items, TRUE );
            break;
        }
    }
    else if (descr->horz_extent)
    {
        switch(scrollReq)
        {
        case SB_LINELEFT:
            LISTBOX_SetHorizontalPos( descr, descr->horz_pos - 1 );
            break;
        case SB_LINERIGHT:
            LISTBOX_SetHorizontalPos( descr, descr->horz_pos + 1 );
            break;
        case SB_PAGELEFT:
            LISTBOX_SetHorizontalPos( descr,
                                      descr->horz_pos - descr->width );
            break;
        case SB_PAGERIGHT:
            LISTBOX_SetHorizontalPos( descr,
                                      descr->horz_pos + descr->width );
            break;
        case SB_THUMBPOSITION:
            LISTBOX_SetHorizontalPos( descr, pos );
            break;
        case SB_THUMBTRACK:
            info.cbSize = sizeof(info);
            info.fMask = SIF_TRACKPOS;
            GetScrollInfo( descr->self, SB_HORZ, &info );
            LISTBOX_SetHorizontalPos( descr, info.nTrackPos );
            break;
        case SB_LEFT:
            LISTBOX_SetHorizontalPos( descr, 0 );
            break;
        case SB_RIGHT:
            LISTBOX_SetHorizontalPos( descr,
                                      descr->horz_extent - descr->width );
            break;
        }
    }
    return 0;
}

LISTBOX_HandleKeyDown()

static LRESULT LISTBOX_HandleKeyDown ( LB_DESCR *  descr, DWORD  key  )

static

Definition at line 2549 of file listbox.c.

{
    INT caret = -1;
    BOOL bForceSelection = TRUE; /* select item pointed to by focus_item */
    if ((IS_MULTISELECT(descr)) || (descr->selected_item == descr->focus_item))
        bForceSelection = FALSE; /* only for single select list */
 
    if (descr->style & LBS_WANTKEYBOARDINPUT)
    {
        caret = SendMessageW( descr->owner, WM_VKEYTOITEM,
                                MAKEWPARAM(LOWORD(key), descr->focus_item),
                                (LPARAM)descr->self );
        if (caret == -2) return 0;
    }
    if (caret == -1) switch(key)
    {
    case VK_LEFT:
        if (descr->style & LBS_MULTICOLUMN)
        {
            bForceSelection = FALSE;
            if (descr->focus_item >= descr->page_size)
                caret = descr->focus_item - descr->page_size;
            break;
        }
        /* fall through */
    case VK_UP:
        caret = descr->focus_item - 1;
        if (caret < 0) caret = 0;
        break;
    case VK_RIGHT:
        if (descr->style & LBS_MULTICOLUMN)
        {
            bForceSelection = FALSE;
            caret = min(descr->focus_item + descr->page_size, descr->nb_items - 1);
            break;
        }
        /* fall through */
    case VK_DOWN:
        caret = descr->focus_item + 1;
        if (caret >= descr->nb_items) caret = descr->nb_items - 1;
        break;
 
    case VK_PRIOR:
        if (descr->style & LBS_MULTICOLUMN)
        {
            INT page = descr->width / descr->column_width;
            if (page < 1) page = 1;
            caret = descr->focus_item - (page * descr->page_size) + 1;
        }
        else caret = descr->focus_item-LISTBOX_GetCurrentPageSize(descr) + 1;
        if (caret < 0) caret = 0;
        break;
    case VK_NEXT:
        if (descr->style & LBS_MULTICOLUMN)
        {
            INT page = descr->width / descr->column_width;
            if (page < 1) page = 1;
            caret = descr->focus_item + (page * descr->page_size) - 1;
        }
        else caret = descr->focus_item + LISTBOX_GetCurrentPageSize(descr) - 1;
        if (caret >= descr->nb_items) caret = descr->nb_items - 1;
        break;
    case VK_HOME:
        caret = 0;
        break;
    case VK_END:
        caret = descr->nb_items - 1;
        break;
    case VK_SPACE:
        if (descr->style & LBS_EXTENDEDSEL) caret = descr->focus_item;
        else if (descr->style & LBS_MULTIPLESEL)
        {
            LISTBOX_SetSelection( descr, descr->focus_item,
                                  !is_item_selected(descr, descr->focus_item),
                                  (descr->style & LBS_NOTIFY) != 0 );
        }
        break;
    default:
        bForceSelection = FALSE;
    }
    if (bForceSelection) /* focused item is used instead of key */
        caret = descr->focus_item;
    if (caret >= 0)
    {
        if (((descr->style & LBS_EXTENDEDSEL) &&
            !(NtUserGetKeyState( VK_SHIFT ) & 0x8000)) ||
            !IS_MULTISELECT(descr))
            descr->anchor_item = caret;
        LISTBOX_MoveCaret( descr, caret, TRUE );
 
        if (descr->style & LBS_MULTIPLESEL)
            descr->selected_item = caret;
        else
            LISTBOX_SetSelection( descr, caret, TRUE, FALSE);
        if (descr->style & LBS_NOTIFY)
        {
            if (descr->lphc && IsWindowVisible( descr->self ))
            {
                /* make sure that combo parent doesn't hide us */
                descr->lphc->wState |= CBF_NOROLLUP;
            }
            if (descr->nb_items) SEND_NOTIFICATION( descr, LBN_SELCHANGE );
        }
    }
    return 0;
}

LISTBOX_HandleLButtonDown()

static LRESULT LISTBOX_HandleLButtonDown ( LB_DESCR *  descr, DWORD  keys, INT  x, INT  y  )

static

Definition at line 2244 of file listbox.c.

{
    INT index = LISTBOX_GetItemFromPoint( descr, x, y );
 
    TRACE("[%p]: lbuttondown %d,%d item %d, focus item %d\n",
          descr->self, x, y, index, descr->focus_item);
 
    if (!descr->caret_on && (descr->in_focus)) return 0;
 
    if (!descr->in_focus)
    {
        if( !descr->lphc ) NtUserSetFocus( descr->self );
        else NtUserSetFocus( (descr->lphc->hWndEdit) ? descr->lphc->hWndEdit : descr->lphc->self );
    }
 
    if (index == -1) return 0;
 
    if (!descr->lphc)
    {
        if (descr->style & LBS_NOTIFY )
            SendMessageW( descr->owner, WM_LBTRACKPOINT, index,
                            MAKELPARAM( x, y ) );
    }
 
    descr->captured = TRUE;
    NtUserSetCapture( descr->self );
 
    if (descr->style & (LBS_EXTENDEDSEL | LBS_MULTIPLESEL))
    {
        /* we should perhaps make sure that all items are deselected
           FIXME: needed for !LBS_EXTENDEDSEL, too ?
           if (!(keys & (MK_SHIFT|MK_CONTROL)))
           LISTBOX_SetSelection( descr, -1, FALSE, FALSE);
        */
 
        if (!(keys & MK_SHIFT)) descr->anchor_item = index;
        if (keys & MK_CONTROL)
        {
            LISTBOX_SetCaretIndex( descr, index, FALSE );
            LISTBOX_SetSelection( descr, index,
                                  !is_item_selected(descr, index),
                                  (descr->style & LBS_NOTIFY) != 0);
        }
        else
        {
            LISTBOX_MoveCaret( descr, index, FALSE );
 
            if (descr->style & LBS_EXTENDEDSEL)
            {
                LISTBOX_SetSelection( descr, index,
                               is_item_selected(descr, index),
                              (descr->style & LBS_NOTIFY) != 0 );
            }
            else
            {
                LISTBOX_SetSelection( descr, index,
                               !is_item_selected(descr, index),
                              (descr->style & LBS_NOTIFY) != 0 );
            }
        }
    }
    else
    {
        descr->anchor_item = index;
        LISTBOX_MoveCaret( descr, index, FALSE );
        LISTBOX_SetSelection( descr, index,
                              TRUE, (descr->style & LBS_NOTIFY) != 0 );
        NtUserNotifyWinEvent( EVENT_OBJECT_FOCUS, descr->self, OBJID_CLIENT, index + 1 );
        NtUserNotifyWinEvent( EVENT_OBJECT_SELECTION, descr->self, OBJID_CLIENT, index + 1 );
    }
 
    if (!descr->lphc)
    {   //  See rev 40864 use Ptr for 64 bit.
        if (GetWindowLongPtrW( descr->self, GWL_EXSTYLE ) & WS_EX_DRAGDETECT)
        {
            POINT pt;
 
        pt.x = x;
        pt.y = y;
 
            if (DragDetect( descr->self, pt ))
                SendMessageW( descr->owner, WM_BEGINDRAG, 0, 0 );
        }
    }
    return 0;
}

LISTBOX_HandleLButtonDownCombo()

static LRESULT LISTBOX_HandleLButtonDownCombo ( LB_DESCR *  descr, UINT  msg, DWORD  keys, INT  x, INT  y  )

static

Definition at line 2351 of file listbox.c.

{
    RECT clientRect, screenRect;
    POINT mousePos;
 
    mousePos.x = x;
    mousePos.y = y;
 
    GetClientRect(descr->self, &clientRect);
 
    if(PtInRect(&clientRect, mousePos))
    {
       /* MousePos is in client, resume normal processing */
        if (msg == WM_LBUTTONDOWN)
        {
           descr->lphc->droppedIndex = descr->nb_items ? descr->selected_item : -1;
           return LISTBOX_HandleLButtonDown( descr, keys, x, y);
        }
        else if (descr->style & LBS_NOTIFY)
            SEND_NOTIFICATION( descr, LBN_DBLCLK );
    }
    else
    {
        POINT screenMousePos;
        HWND hWndOldCapture;
 
        /* Check the Non-Client Area */
        screenMousePos = mousePos;
        hWndOldCapture = GetCapture();
        NtUserReleaseCapture();
        GetWindowRect(descr->self, &screenRect);
        ClientToScreen(descr->self, &screenMousePos);
 
        if(!PtInRect(&screenRect, screenMousePos))
        {
            LISTBOX_SetCaretIndex( descr, descr->lphc->droppedIndex, FALSE );
            LISTBOX_SetSelection( descr, descr->lphc->droppedIndex, FALSE, FALSE );
            COMBO_FlipListbox( descr->lphc, FALSE, FALSE );
        }
        else
        {
            /* Check to see the NC is a scrollbar */
            INT nHitTestType=0;
            LONG style = GetWindowLongPtrW( descr->self, GWL_STYLE );
            /* Check Vertical scroll bar */
            if (style & WS_VSCROLL)
            {
                clientRect.right += GetSystemMetrics(SM_CXVSCROLL);
                if (PtInRect( &clientRect, mousePos ))
                    nHitTestType = HTVSCROLL;
            }
              /* Check horizontal scroll bar */
            if (style & WS_HSCROLL)
            {
                clientRect.bottom += GetSystemMetrics(SM_CYHSCROLL);
                if (PtInRect( &clientRect, mousePos ))
                    nHitTestType = HTHSCROLL;
            }
            /* Windows sends this message when a scrollbar is clicked
             */
 
            if(nHitTestType != 0)
            {
                SendMessageW(descr->self, WM_NCLBUTTONDOWN, nHitTestType,
                             MAKELONG(screenMousePos.x, screenMousePos.y));
            }
            /* Resume the Capture after scrolling is complete
             */
            if(hWndOldCapture != 0)
                NtUserSetCapture(hWndOldCapture);
        }
    }
    return 0;
}

LISTBOX_HandleLButtonUp()

static LRESULT LISTBOX_HandleLButtonUp ( LB_DESCR *  descr )

static

Definition at line 2429 of file listbox.c.

{
    if (LISTBOX_Timer != LB_TIMER_NONE)
        NtUserKillSystemTimer( descr->self, LB_TIMER_ID );
    LISTBOX_Timer = LB_TIMER_NONE;
    if (descr->captured)
    {
        descr->captured = FALSE;
        if (GetCapture() == descr->self) NtUserReleaseCapture();
        if ((descr->style & LBS_NOTIFY) && descr->nb_items)
            SEND_NOTIFICATION( descr, LBN_SELCHANGE );
    }
    return 0;
}

LISTBOX_HandleMouseMove()

static void LISTBOX_HandleMouseMove ( LB_DESCR *  descr, INT  x, INT  y  )

static

Definition at line 2501 of file listbox.c.

{
    INT index;
    TIMER_DIRECTION dir = LB_TIMER_NONE;
 
    if (!descr->captured) return;
 
    if (descr->style & LBS_MULTICOLUMN)
    {
        if (y < 0) y = 0;
        else if (y >= descr->item_height * descr->page_size)
            y = descr->item_height * descr->page_size - 1;
 
        if (x < 0)
        {
            dir = LB_TIMER_LEFT;
            x = 0;
        }
        else if (x >= descr->width)
        {
            dir = LB_TIMER_RIGHT;
            x = descr->width - 1;
        }
    }
    else
    {
        if (y < 0) dir = LB_TIMER_UP;  /* above */
        else if (y >= descr->height) dir = LB_TIMER_DOWN;  /* below */
    }
 
    index = LISTBOX_GetItemFromPoint( descr, x, y );
    if (index == -1) index = descr->focus_item;
    if (!LISTBOX_HandleTimer( descr, index, dir )) dir = LB_TIMER_NONE;
 
    /* Start/stop the system timer */
 
    if (dir != LB_TIMER_NONE)
        NtUserSetSystemTimer( descr->self, LB_TIMER_ID, LB_SCROLL_TIMEOUT );
    else if (LISTBOX_Timer != LB_TIMER_NONE)
        NtUserKillSystemTimer( descr->self, LB_TIMER_ID );
    LISTBOX_Timer = dir;
}

LISTBOX_HandleMouseWheel()

static LRESULT LISTBOX_HandleMouseWheel ( LB_DESCR *  descr, SHORT  delta  )

static

Definition at line 2202 of file listbox.c.

{
    INT pulScrollLines = 3;
 
    SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
 
    /* if scrolling changes direction, ignore left overs */
    if ((delta < 0 && descr->wheel_remain < 0) ||
        (delta > 0 && descr->wheel_remain > 0))
        descr->wheel_remain += delta;
    else
        descr->wheel_remain = delta;
 
    if (descr->wheel_remain && pulScrollLines)
    {
        int cLineScroll;
        if (descr->style & LBS_MULTICOLUMN)
        {
            pulScrollLines = min(descr->width / descr->column_width, pulScrollLines);
            pulScrollLines = max(1, pulScrollLines);
            cLineScroll = pulScrollLines * descr->wheel_remain / WHEEL_DELTA;
            descr->wheel_remain -= WHEEL_DELTA * cLineScroll / pulScrollLines;
            cLineScroll *= descr->page_size;
        }
        else
        {
            pulScrollLines = min(descr->page_size, pulScrollLines);
            cLineScroll = pulScrollLines * descr->wheel_remain / WHEEL_DELTA;
            descr->wheel_remain -= WHEEL_DELTA * cLineScroll / pulScrollLines;
#ifdef __REACTOS__
        if (cLineScroll < 0)
            cLineScroll -= descr->page_size;
#endif
        }
        LISTBOX_SetTopItem( descr, descr->top_item - cLineScroll, TRUE );
    }
    return 0;
}

LISTBOX_HandleSystemTimer()

static LRESULT LISTBOX_HandleSystemTimer ( LB_DESCR *  descr )

static

Definition at line 2485 of file listbox.c.

{
    if (!LISTBOX_HandleTimer( descr, descr->focus_item, LISTBOX_Timer ))
    {
        NtUserKillSystemTimer( descr->self, LB_TIMER_ID );
        LISTBOX_Timer = LB_TIMER_NONE;
    }
    return 0;
}

LISTBOX_HandleTimer()

static LRESULT LISTBOX_HandleTimer ( LB_DESCR *  descr, INT  index, TIMER_DIRECTION  dir  )

static

Definition at line 2451 of file listbox.c.

{
    switch(dir)
    {
    case LB_TIMER_UP:
        if (descr->top_item) index = descr->top_item - 1;
        else index = 0;
        break;
    case LB_TIMER_LEFT:
        if (descr->top_item) index -= descr->page_size;
        break;
    case LB_TIMER_DOWN:
        index = descr->top_item + LISTBOX_GetCurrentPageSize( descr );
        if (index == descr->focus_item) index++;
        if (index >= descr->nb_items) index = descr->nb_items - 1;
        break;
    case LB_TIMER_RIGHT:
        if (index + descr->page_size < descr->nb_items)
            index += descr->page_size;
        break;
    case LB_TIMER_NONE:
        break;
    }
    if (index == descr->focus_item) return FALSE;
    LISTBOX_MoveCaret( descr, index, FALSE );
    return TRUE;
}

LISTBOX_HandleVScroll()

static LRESULT LISTBOX_HandleVScroll ( LB_DESCR *  descr, WORD  scrollReq, WORD  pos  )

static

Definition at line 2068 of file listbox.c.

{
    SCROLLINFO info;
 
    if (descr->style & LBS_MULTICOLUMN) return 0;
    switch(scrollReq)
    {
    case SB_LINEUP:
        LISTBOX_SetTopItem( descr, descr->top_item - 1, TRUE );
        break;
    case SB_LINEDOWN:
        LISTBOX_SetTopItem( descr, descr->top_item + 1, TRUE );
        break;
    case SB_PAGEUP:
        LISTBOX_SetTopItem( descr, descr->top_item -
                            LISTBOX_GetCurrentPageSize( descr ), TRUE );
        break;
    case SB_PAGEDOWN:
        LISTBOX_SetTopItem( descr, descr->top_item +
                            LISTBOX_GetCurrentPageSize( descr ), TRUE );
        break;
    case SB_THUMBPOSITION:
        LISTBOX_SetTopItem( descr, pos, TRUE );
        break;
    case SB_THUMBTRACK:
        info.cbSize = sizeof(info);
        info.fMask = SIF_TRACKPOS;
        GetScrollInfo( descr->self, SB_VERT, &info );
        LISTBOX_SetTopItem( descr, info.nTrackPos, TRUE );
        break;
    case SB_TOP:
        LISTBOX_SetTopItem( descr, 0, TRUE );
        break;
    case SB_BOTTOM:
        LISTBOX_SetTopItem( descr, descr->nb_items, TRUE );
        break;
    }
    return 0;
}

LISTBOX_InitStorage()

static LRESULT LISTBOX_InitStorage ( LB_DESCR *  descr, INT  nb_items  )

static

Definition at line 913 of file listbox.c.

{
    UINT new_size = descr->nb_items + nb_items;
 
    if (new_size > descr->items_size && !resize_storage(descr, new_size))
        return LB_ERRSPACE;
    return descr->items_size;
}

LISTBOX_InsertItem()

static LRESULT LISTBOX_InsertItem ( LB_DESCR *  descr, INT  index, LPWSTR  str, ULONG_PTR  data  )

static

Definition at line 1741 of file listbox.c.

{
    INT oldfocus = descr->focus_item;
 
    if (index == -1) index = descr->nb_items;
    else if ((index < 0) || (index > descr->nb_items)) return LB_ERR;
    if (!resize_storage(descr, descr->nb_items + 1)) return LB_ERR;
 
    insert_item_data(descr, index);
    descr->nb_items++;
    set_item_string(descr, index, str);
    set_item_data(descr, index, HAS_STRINGS(descr) ? 0 : data);
    set_item_height(descr, index, 0);
    set_item_selected_state(descr, index, FALSE);
 
    /* Get item height */
 
    if (descr->style & LBS_OWNERDRAWVARIABLE)
    {
        MEASUREITEMSTRUCT mis;
        UINT id = (UINT)GetWindowLongPtrW( descr->self, GWLP_ID );
 
        mis.CtlType    = ODT_LISTBOX;
        mis.CtlID      = id;
        mis.itemID     = index;
        mis.itemData   = str ? (ULONG_PTR)str : data;
        mis.itemHeight = descr->item_height;
        SendMessageW( descr->owner, WM_MEASUREITEM, id, (LPARAM)&mis );
        set_item_height(descr, index, mis.itemHeight ? mis.itemHeight : 1);
        TRACE("[%p]: measure item %d (%s) = %d\n",
              descr->self, index, str ? debugstr_w(str) : "", get_item_height(descr, index));
    }
 
    NtUserNotifyWinEvent( EVENT_OBJECT_CREATE, descr->self, OBJID_CLIENT, index + 1 );
 
    /* Repaint the items */
 
    LISTBOX_UpdateScroll( descr );
    LISTBOX_InvalidateItems( descr, index );
 
    /* Move selection and focused item */
    /* If listbox was empty, set focus to the first item */
    if (descr->nb_items == 1)
         LISTBOX_SetCaretIndex( descr, 0, FALSE );
    /* single select don't change selection index in win31 */
    else if ((ISWIN31) && !(IS_MULTISELECT(descr)))
    {
        descr->selected_item++;
        LISTBOX_SetSelection( descr, descr->selected_item-1, TRUE, FALSE );
    }
    else
    {
        if (index <= descr->selected_item)
        {
            descr->selected_item++;
            descr->focus_item = oldfocus; /* focus not changed */
        }
    }
    return LB_OKAY;
}

LISTBOX_InsertString()

static LRESULT LISTBOX_InsertString ( LB_DESCR *  descr, INT  index, LPCWSTR  str  )

static

Definition at line 1807 of file listbox.c.

{
    LPWSTR new_str = NULL;
    LRESULT ret;
 
    if (HAS_STRINGS(descr))
    {
        if (!str) str = L"";
        if (!(new_str = HeapAlloc( GetProcessHeap(), 0, (lstrlenW(str) + 1) * sizeof(WCHAR) )))
        {
            SEND_NOTIFICATION( descr, LBN_ERRSPACE );
            return LB_ERRSPACE;
        }
        lstrcpyW(new_str, str);
    }
 
    if (index == -1) index = descr->nb_items;
    if ((ret = LISTBOX_InsertItem( descr, index, new_str, (ULONG_PTR)str )) != 0)
    {
        HeapFree( GetProcessHeap(), 0, new_str );
        return ret;
    }
 
    TRACE("[%p]: added item %d %s\n",
          descr->self, index, HAS_STRINGS(descr) ? debugstr_w(new_str) : "" );
    return index;
}

LISTBOX_InvalidateItemRect()

static void LISTBOX_InvalidateItemRect ( LB_DESCR *  descr, INT  index  )

static

Definition at line 1367 of file listbox.c.

{
    RECT rect;
 
    if (LISTBOX_GetItemRect( descr, index, &rect ) == 1)
        NtUserInvalidateRect( descr->self, &rect, TRUE );
}

LISTBOX_InvalidateItems()

static void LISTBOX_InvalidateItems ( LB_DESCR *  descr, INT  index  )

static

Definition at line 1343 of file listbox.c.

{
    RECT rect;
 
    if (LISTBOX_GetItemRect( descr, index, &rect ) == 1)
    {
        if (descr->style & LBS_NOREDRAW)
        {
            descr->style |= LBS_DISPLAYCHANGED;
            return;
        }
        rect.bottom = descr->height;
        NtUserInvalidateRect( descr->self, &rect, TRUE );
        if (descr->style & LBS_MULTICOLUMN)
        {
            /* Repaint the other columns */
            rect.left  = rect.right;
            rect.right = descr->width;
            rect.top   = 0;
            NtUserInvalidateRect( descr->self, &rect, TRUE );
        }
    }
}

LISTBOX_lstrcmpiW()

static INT LISTBOX_lstrcmpiW ( LCID  lcid, LPCWSTR  str1, LPCWSTR  str2, int  len  )

inlinestatic

Definition at line 1011 of file listbox.c.

{
    INT ret = CompareStringW( lcid, NORM_IGNORECASE, str1, len, str2, len );
    if (ret == CSTR_LESS_THAN)
        return -1;
    if (ret == CSTR_EQUAL)
        return 0;
    if (ret == CSTR_GREATER_THAN)
        return 1;
    return -1;
}

LISTBOX_MakeItemVisible()

static void LISTBOX_MakeItemVisible ( LB_DESCR *  descr, INT  index, BOOL  fully  )

static

Definition at line 1543 of file listbox.c.

{
    INT top;
 
    TRACE("current top item %d, index %d, fully %d\n", descr->top_item, index, fully);
 
    if (index <= descr->top_item) top = index;
    else if (descr->style & LBS_MULTICOLUMN)
    {
        INT cols = descr->width;
        if (!fully) cols += descr->column_width - 1;
        if (cols >= descr->column_width) cols /= descr->column_width;
        else cols = 1;
        if (index < descr->top_item + (descr->page_size * cols)) return;
        top = index - descr->page_size * (cols - 1);
    }
    else if (descr->style & LBS_OWNERDRAWVARIABLE)
    {
        INT height = fully ? get_item_height(descr, index) : 1;
        for (top = index; top > descr->top_item; top--)
            if ((height += get_item_height(descr, top - 1)) > descr->height) break;
    }
    else
    {
        if (index < descr->top_item + descr->page_size) return;
        if (!fully && (index == descr->top_item + descr->page_size) &&
            (descr->height > (descr->page_size * descr->item_height))) return;
        top = index - descr->page_size + 1;
    }
    LISTBOX_SetTopItem( descr, top, TRUE );
}

LISTBOX_MoveCaret()

static void LISTBOX_MoveCaret ( LB_DESCR *  descr, INT  index, BOOL  fully_visible  )

static

Definition at line 1694 of file listbox.c.

{
    TRACE("old focus %d, index %d\n", descr->focus_item, index);
 
    if ((index <  0) || (index >= descr->nb_items))
        return;
 
    /* Important, repaint needs to be done in this order if
       you want to mimic Windows behavior:
       1. Remove the focus and paint the item
       2. Remove the selection and paint the item(s)
       3. Set the selection and repaint the item(s)
       4. Set the focus to 'index' and repaint the item */
 
    /* 1. remove the focus and repaint the item */
    LISTBOX_DrawFocusRect( descr, FALSE );
 
    /* 2. then turn off the previous selection */
    /* 3. repaint the new selected item */
    if (descr->style & LBS_EXTENDEDSEL)
    {
        if (descr->anchor_item != -1)
        {
            INT first = min( index, descr->anchor_item );
            INT last  = max( index, descr->anchor_item );
            if (first > 0)
                LISTBOX_SelectItemRange( descr, 0, first - 1, FALSE );
            LISTBOX_SelectItemRange( descr, last + 1, -1, FALSE );
            LISTBOX_SelectItemRange( descr, first, last, TRUE );
        }
    }
    else if (!(descr->style & LBS_MULTIPLESEL))
    {
        /* Set selection to new caret item */
        LISTBOX_SetSelection( descr, index, TRUE, FALSE );
    }
 
    /* 4. repaint the new item with the focus */
    descr->focus_item = index;
    LISTBOX_MakeItemVisible( descr, index, fully_visible );
    LISTBOX_DrawFocusRect( descr, TRUE );
}

LISTBOX_Paint()

static LRESULT LISTBOX_Paint ( LB_DESCR *  descr, HDC  hdc  )

static

Definition at line 1211 of file listbox.c.

{
    INT i, col_pos = descr->page_size - 1;
    RECT rect;
    RECT focusRect = {-1, -1, -1, -1};
    HFONT oldFont = 0;
    HBRUSH hbrush, oldBrush = 0;
 
    if (descr->style & LBS_NOREDRAW) return 0;
 
    SetRect( &rect, 0, 0, descr->width, descr->height );
    if (descr->style & LBS_MULTICOLUMN)
        rect.right = rect.left + descr->column_width;
    else if (descr->horz_pos)
    {
        SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
        rect.right += descr->horz_pos;
    }
 
    if (descr->font) oldFont = SelectObject( hdc, descr->font );
#ifdef __REACTOS__
    hbrush = GetControlColor( descr->owner, descr->self, hdc, WM_CTLCOLORLISTBOX);
#else
    hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
                   (WPARAM)hdc, (LPARAM)descr->self );
#endif
    if (hbrush) oldBrush = SelectObject( hdc, hbrush );
    if (!IsWindowEnabled(descr->self)) SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
 
    if (!descr->nb_items && (descr->focus_item != -1) && descr->caret_on &&
        (descr->in_focus))
    {
        /* Special case for empty listbox: paint focus rect */
        rect.bottom = rect.top + descr->item_height;
        ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
                     &rect, NULL, 0, NULL );
        LISTBOX_PaintItem( descr, hdc, &rect, descr->focus_item, ODA_FOCUS, FALSE );
        rect.top = rect.bottom;
    }
 
    /* Paint all the item, regarding the selection
       Focus state will be painted after  */
 
    for (i = descr->top_item; i < descr->nb_items; i++)
    {
        if (!(descr->style & LBS_OWNERDRAWVARIABLE))
            rect.bottom = rect.top + descr->item_height;
        else
            rect.bottom = rect.top + get_item_height(descr, i);
 
        /* keep the focus rect, to paint the focus item after */
        if (i == descr->focus_item)
            focusRect = rect;
#ifdef __REACTOS__
        rect.bottom = min(rect.bottom, descr->height);
#endif
        LISTBOX_PaintItem( descr, hdc, &rect, i, ODA_DRAWENTIRE, TRUE );
        rect.top = rect.bottom;
 
        if ((descr->style & LBS_MULTICOLUMN) && !col_pos)
        {
            if (!IS_OWNERDRAW(descr))
            {
                /* Clear the bottom of the column */
                if (rect.top < descr->height)
                {
                    rect.bottom = descr->height;
                    ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
                                   &rect, NULL, 0, NULL );
                }
            }
 
            /* Go to the next column */
            rect.left += descr->column_width;
            rect.right += descr->column_width;
            rect.top = 0;
            col_pos = descr->page_size - 1;
            if (rect.left >= descr->width) break;
        }
        else
        {
            col_pos--;
            if (rect.top >= descr->height) break;
        }
    }
 
    /* Paint the focus item now */
    if (focusRect.top != focusRect.bottom &&
        descr->caret_on && descr->in_focus)
        LISTBOX_PaintItem( descr, hdc, &focusRect, descr->focus_item, ODA_FOCUS, FALSE );
 
    if (!IS_OWNERDRAW(descr))
    {
        /* Clear the remainder of the client area */
        if (rect.top < descr->height)
        {
            rect.bottom = descr->height;
#ifdef __REACTOS__
            HBRUSH br = GetCurrentObject(hdc, OBJ_BRUSH);
            FillRect(hdc, &rect, br);
#else
            ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
                           &rect, NULL, 0, NULL );
#endif
        }
        if (rect.right < descr->width)
        {
            rect.left   = rect.right;
            rect.right  = descr->width;
            rect.top    = 0;
            rect.bottom = descr->height;
#ifdef __REACTOS__
            HBRUSH br = GetCurrentObject(hdc, OBJ_BRUSH);
            FillRect(hdc, &rect, br);
#else
            ExtTextOutW( hdc, 0, 0, ETO_OPAQUE | ETO_CLIPPED,
                           &rect, NULL, 0, NULL );
#endif
        }
    }
    if (oldFont) SelectObject( hdc, oldFont );
    if (oldBrush) SelectObject( hdc, oldBrush );
    return 0;
}

LISTBOX_PaintItem()

static void LISTBOX_PaintItem ( LB_DESCR *  descr, HDC  hdc, const RECT *  rect, INT  index, UINT  action, BOOL  ignoreFocus  )

static

Definition at line 684 of file listbox.c.

{
    BOOL selected = FALSE, focused;
    WCHAR *item_str = NULL;
 
    if (index < descr->nb_items)
    {
        item_str = get_item_string(descr, index);
        selected = !(descr->style & LBS_NOSEL) && is_item_selected(descr, index);
    }
 
#ifdef __REACTOS__
    focused = !ignoreFocus && descr->focus_item == index && descr->caret_on && descr->in_focus
              && !(descr->UIState & UISF_HIDEFOCUS);
#else
    focused = !ignoreFocus && descr->focus_item == index && descr->caret_on && descr->in_focus;
#endif
 
    if (IS_OWNERDRAW(descr))
    {
        DRAWITEMSTRUCT dis;
        RECT r;
        HRGN hrgn;
 
    if (index >= descr->nb_items)
    {
        if (action == ODA_FOCUS)
            { // REACTOS
               if (!(descr->UIState & UISF_HIDEFOCUS))
                   DrawFocusRect( hdc, rect );
            } //
        else
            ERR("called with an out of bounds index %d(%d) in owner draw, Not good.\n",index,descr->nb_items);
        return;
    }
 
        /* some programs mess with the clipping region when
        drawing the item, *and* restore the previous region
        after they are done, so a region has better to exist
        else everything ends clipped */
        GetClientRect(descr->self, &r);
        hrgn = set_control_clipping( hdc, &r );
 
        dis.CtlType      = ODT_LISTBOX;
        dis.CtlID        = GetWindowLongPtrW( descr->self, GWLP_ID );
        dis.hwndItem     = descr->self;
        dis.itemAction   = action;
        dis.hDC          = hdc;
        dis.itemID       = index;
        dis.itemState    = 0;
        if (selected)
            dis.itemState |= ODS_SELECTED;
        if (focused)
            dis.itemState |= ODS_FOCUS;
        if (!IsWindowEnabled(descr->self)) dis.itemState |= ODS_DISABLED;
        dis.itemData     = get_item_data(descr, index);
        dis.rcItem       = *rect;
        TRACE("[%p]: drawitem %d (%s) action=%02x state=%02x rect=%s\n",
              descr->self, index, debugstr_w(item_str), action,
              dis.itemState, wine_dbgstr_rect(rect) );
        SendMessageW(descr->owner, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
        SelectClipRgn( hdc, hrgn );
        if (hrgn) DeleteObject( hrgn );
    }
    else
    {
        COLORREF oldText = 0, oldBk = 0;
 
        if (action == ODA_FOCUS)
        {
            if (!(descr->UIState & UISF_HIDEFOCUS)) // REACTOS
                DrawFocusRect( hdc, rect );
            return;
        }
        if (selected)
        {
            oldBk = SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) );
            oldText = SetTextColor( hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
        }
#ifdef __REACTOS__
        else
        {
            HBRUSH br = GetCurrentObject(hdc, OBJ_BRUSH);
            FillRect(hdc, rect, br);
        }
#endif
 
        TRACE("[%p]: painting %d (%s) action=%02x rect=%s\n",
              descr->self, index, debugstr_w(item_str), action,
              wine_dbgstr_rect(rect) );
        if (!item_str)
            ExtTextOutW( hdc, rect->left + 1, rect->top,
                           ETO_OPAQUE | ETO_CLIPPED, rect, NULL, 0, NULL );
        else if (!(descr->style & LBS_USETABSTOPS))
#ifdef __REACTOS__
        {
            RECT rc = *rect;
            if (!selected)
            {
                SIZE sz;
                GetTextExtentPoint32(hdc, item_str, strlenW(item_str), &sz);
                rc.right = min(sz.cx, rc.right);
            }
            ExtTextOutW( hdc, rect->left + 1, rect->top,
                         ETO_OPAQUE | ETO_CLIPPED, &rc, item_str,
                         strlenW(item_str), NULL);
        }
#else
            ExtTextOutW( hdc, rect->left + 1, rect->top,
                         ETO_OPAQUE | ETO_CLIPPED, rect, item_str,
                         lstrlenW(item_str), NULL );
#endif
        else
    {
        /* Output empty string to paint background in the full width. */
            ExtTextOutW( hdc, rect->left + 1, rect->top,
                         ETO_OPAQUE | ETO_CLIPPED, rect, NULL, 0, NULL );
            TabbedTextOutW( hdc, rect->left + 1 , rect->top,
                            item_str, lstrlenW(item_str),
                            descr->nb_tabs, descr->tabs, 0);
    }
        if (selected)
        {
            SetBkColor( hdc, oldBk );
            SetTextColor( hdc, oldText );
        }
        if (focused)
            DrawFocusRect( hdc, rect );
    }
}

LISTBOX_RemoveItem()

static LRESULT LISTBOX_RemoveItem ( LB_DESCR *  descr, INT  index  )

static

Definition at line 1869 of file listbox.c.

{
    if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
 
    /* We need to invalidate the original rect instead of the updated one. */
    LISTBOX_InvalidateItems( descr, index );
 
    NtUserNotifyWinEvent( EVENT_OBJECT_DESTROY, descr->self, OBJID_CLIENT, index + 1 );
 
    if (descr->nb_items == 1)
    {
        SendMessageW(descr->self, LB_RESETCONTENT, 0, 0);
        return LB_OKAY;
    }
    descr->nb_items--;
    LISTBOX_DeleteItem( descr, index );
    remove_item_data(descr, index);
 
    if (descr->anchor_item == descr->nb_items) descr->anchor_item--;
    resize_storage(descr, descr->nb_items);
    /* Repaint the items */
 
    LISTBOX_UpdateScroll( descr );
    /* if we removed the scrollbar, reset the top of the list
      (correct for owner-drawn ???) */
    if (descr->nb_items == descr->page_size)
        LISTBOX_SetTopItem( descr, 0, TRUE );
 
    /* Move selection and focused item */
    if (!IS_MULTISELECT(descr))
    {
        if (index == descr->selected_item)
            descr->selected_item = -1;
        else if (index < descr->selected_item)
        {
            descr->selected_item--;
            if (ISWIN31) /* win 31 do not change the selected item number */
               LISTBOX_SetSelection( descr, descr->selected_item + 1, TRUE, FALSE);
        }
    }
 
    if (descr->focus_item >= descr->nb_items)
    {
          descr->focus_item = descr->nb_items - 1;
          if (descr->focus_item < 0) descr->focus_item = 0;
    }
    return LB_OKAY;
}

LISTBOX_RepaintItem()

static void LISTBOX_RepaintItem ( LB_DESCR *  descr, INT  index, UINT  action  )

static

Definition at line 849 of file listbox.c.

{
    HDC hdc;
    RECT rect;
    HFONT oldFont = 0;
    HBRUSH hbrush, oldBrush = 0;
 
    /* Do not repaint the item if the item is not visible */
    if (!IsWindowVisible(descr->self)) return;
    if (descr->style & LBS_NOREDRAW)
    {
        descr->style |= LBS_DISPLAYCHANGED;
        return;
    }
    if (LISTBOX_GetItemRect( descr, index, &rect ) != 1) return;
    if (!(hdc = NtUserGetDCEx( descr->self, 0, DCX_CACHE ))) return;
    if (descr->font) oldFont = SelectObject( hdc, descr->font );
#ifdef __REACTOS__
    hbrush = GetControlColor( descr->owner, descr->self, hdc, WM_CTLCOLORLISTBOX);
#else
    hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
                   (WPARAM)hdc, (LPARAM)descr->self );
#endif
    if (hbrush) oldBrush = SelectObject( hdc, hbrush );
    if (!IsWindowEnabled(descr->self))
        SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
    SetWindowOrgEx( hdc, descr->horz_pos, 0, NULL );
    LISTBOX_PaintItem( descr, hdc, &rect, index, action, TRUE );
    if (oldFont) SelectObject( hdc, oldFont );
    if (oldBrush) SelectObject( hdc, oldBrush );
    NtUserReleaseDC( descr->self, hdc );
}

LISTBOX_ResetContent()

static void LISTBOX_ResetContent ( LB_DESCR *  descr )

static

Definition at line 1922 of file listbox.c.

{
    INT i;
 
    if (!(descr->style & LBS_NODATA))
        for (i = descr->nb_items - 1; i >= 0; i--) LISTBOX_DeleteItem(descr, i);
    free( descr->u.items );
    descr->nb_items      = 0;
    descr->top_item      = 0;
    descr->selected_item = -1;
    descr->focus_item    = 0;
    descr->anchor_item   = -1;
    descr->items_size    = 0;
    descr->u.items       = NULL;
}

LISTBOX_SelectItemRange()

static LRESULT LISTBOX_SelectItemRange ( LB_DESCR *  descr, INT  first, INT  last, BOOL  on  )

static

Definition at line 1611 of file listbox.c.

{
    INT i;
 
    /* A few sanity checks */
 
    if (descr->style & LBS_NOSEL) return LB_ERR;
    if (!(descr->style & LBS_MULTIPLESEL)) return LB_ERR;
 
    if (!descr->nb_items) return LB_OKAY;
 
    if (last == -1 || last >= descr->nb_items) last = descr->nb_items - 1;
    if (first < 0) first = 0;
    if (last < first) return LB_OKAY;
 
    if (on)  /* Turn selection on */
    {
        for (i = first; i <= last; i++)
        {
            if (is_item_selected(descr, i)) continue;
            set_item_selected_state(descr, i, TRUE);
            LISTBOX_InvalidateItemRect(descr, i);
        }
    }
    else  /* Turn selection off */
    {
        for (i = first; i <= last; i++)
        {
            if (!is_item_selected(descr, i)) continue;
            set_item_selected_state(descr, i, FALSE);
            LISTBOX_InvalidateItemRect(descr, i);
        }
    }
    return LB_OKAY;
}

LISTBOX_SetCaretIndex()

static LRESULT LISTBOX_SetCaretIndex ( LB_DESCR *  descr, INT  index, BOOL  fully_visible  )

static

Definition at line 1582 of file listbox.c.

{
    BOOL focus_changed = descr->focus_item != index;
 
    TRACE("old focus %d, index %d\n", descr->focus_item, index);
 
    if (descr->style & LBS_NOSEL) return LB_ERR;
    if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;
 
    if (focus_changed)
    {
        LISTBOX_DrawFocusRect( descr, FALSE );
        descr->focus_item = index;
    }
 
    LISTBOX_MakeItemVisible( descr, index, fully_visible );
 
    if (focus_changed)
        LISTBOX_DrawFocusRect( descr, TRUE );
 
    return LB_OKAY;
}

LISTBOX_SetColumnWidth()

static LRESULT LISTBOX_SetColumnWidth ( LB_DESCR *  descr, INT  column_width  )

static

Definition at line 1490 of file listbox.c.

{
    RECT rect;
 
    TRACE("[%p]: new column width = %d\n", descr->self, column_width);
 
    GetClientRect(descr->self, &rect);
    descr->width = rect.right - rect.left;
    descr->height = rect.bottom - rect.top;
    descr->column_width = column_width;
 
    LISTBOX_UpdatePage(descr);
    LISTBOX_UpdateScroll(descr);
    return LB_OKAY;
}

LISTBOX_SetCount()

static LRESULT LISTBOX_SetCount ( LB_DESCR *  descr, UINT  count  )

static

Definition at line 1942 of file listbox.c.

{
    UINT orig_num = descr->nb_items;
 
    if (!(descr->style & LBS_NODATA))
    {
        SetLastError(ERROR_SETCOUNT_ON_BAD_LB);
        return LB_ERR;
    }
 
    if (!resize_storage(descr, count))
        return LB_ERRSPACE;
    descr->nb_items = count;
    if (descr->style & LBS_NOREDRAW)
        descr->style |= LBS_DISPLAYCHANGED;
 
    if (count)
    {
        LISTBOX_UpdateScroll(descr);
        if (count < orig_num)
        {
            descr->anchor_item = min(descr->anchor_item, count - 1);
            if (descr->selected_item >= count)
                descr->selected_item = -1;
 
            /* If we removed the scrollbar, reset the top of the list */
            if (count <= descr->page_size && orig_num > descr->page_size)
                LISTBOX_SetTopItem(descr, 0, TRUE);
 
            descr->focus_item = min(descr->focus_item, count - 1);
        }
 
        /* If it was empty before growing, set focus to the first item */
        else if (orig_num == 0) LISTBOX_SetCaretIndex(descr, 0, FALSE);
    }
    else SendMessageW(descr->self, LB_RESETCONTENT, 0, 0);
 
    NtUserInvalidateRect( descr->self, NULL, TRUE );
    return LB_OKAY;
}

LISTBOX_SetFont()

static INT LISTBOX_SetFont ( LB_DESCR *  descr, HFONT  font  )

static

Definition at line 1512 of file listbox.c.

{
    HDC hdc;
    HFONT oldFont = 0;
    const char *alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    SIZE sz;
 
    descr->font = font;
 
    if (!(hdc = NtUserGetDCEx( descr->self, 0, DCX_CACHE )))
    {
        ERR("unable to get DC.\n" );
        return 16;
    }
    if (font) oldFont = SelectObject( hdc, font );
    GetTextExtentPointA( hdc, alphabet, 52, &sz);
    if (oldFont) SelectObject( hdc, oldFont );
    NtUserReleaseDC( descr->self, hdc );
 
    descr->avg_char_width = (sz.cx / 26 + 1) / 2;
    if (!IS_OWNERDRAW(descr))
        LISTBOX_SetItemHeight( descr, 0, sz.cy, FALSE );
    return sz.cy;
}

LISTBOX_SetHorizontalExtent()

static LRESULT LISTBOX_SetHorizontalExtent ( LB_DESCR *  descr, INT  extent  )

static

Definition at line 1460 of file listbox.c.

{
    if (descr->style & LBS_MULTICOLUMN)
        return LB_OKAY;
    if (extent == descr->horz_extent) return LB_OKAY;
    TRACE("[%p]: new horz extent = %d\n", descr->self, extent );
    descr->horz_extent = extent;
    if (descr->style & WS_HSCROLL) {
        SCROLLINFO info;
        info.cbSize = sizeof(info);
        info.nMin  = 0;
        info.nMax = descr->horz_extent ? descr->horz_extent - 1 : 0;
        info.fMask = SIF_RANGE;
        if (descr->style & LBS_DISABLENOSCROLL)
            info.fMask |= SIF_DISABLENOSCROLL;
#ifdef __REACTOS__
        SetScrollInfo(descr->self, SB_HORZ, &info, TRUE);
#else
        NtUserSetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
#endif
    }
    if (descr->horz_pos > extent - descr->width)
        LISTBOX_SetHorizontalPos( descr, extent - descr->width );
    return LB_OKAY;
}

LISTBOX_SetHorizontalPos()

static void LISTBOX_SetHorizontalPos ( LB_DESCR *  descr, INT  pos  )

static

Definition at line 1432 of file listbox.c.

{
    INT diff;
 
    if (pos > descr->horz_extent - descr->width)
        pos = descr->horz_extent - descr->width;
    if (pos < 0) pos = 0;
    if (!(diff = descr->horz_pos - pos)) return;
    TRACE("[%p]: new horz pos = %d\n", descr->self, pos );
    descr->horz_pos = pos;
    LISTBOX_UpdateScroll( descr );
    if (abs(diff) < descr->width)
    {
        RECT rect;
        /* Invalidate the focused item so it will be repainted correctly */
        if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) == 1)
            NtUserInvalidateRect( descr->self, &rect, TRUE );
        NtUserScrollWindowEx( descr->self, diff, 0, NULL, NULL, 0, NULL,
                              SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
    }
    else
        NtUserInvalidateRect( descr->self, NULL, TRUE );
}

LISTBOX_SetItemHeight()

static LRESULT LISTBOX_SetItemHeight ( LB_DESCR *  descr, INT  index, INT  height, BOOL  repaint  )

static

Definition at line 1396 of file listbox.c.

{
    if (height > MAXBYTE)
        return -1;
 
    if (!height) height = 1;
 
    if (descr->style & LBS_OWNERDRAWVARIABLE)
    {
        if ((index < 0) || (index >= descr->nb_items))
        {
            SetLastError(ERROR_INVALID_INDEX);
            return LB_ERR;
        }
        TRACE("[%p]: item %d height = %d\n", descr->self, index, height );
        set_item_height(descr, index, height);
        LISTBOX_UpdateScroll( descr );
    if (repaint)
        LISTBOX_InvalidateItems( descr, index );
    }
    else if (height != descr->item_height)
    {
        TRACE("[%p]: new height = %d\n", descr->self, height );
        descr->item_height = height;
        LISTBOX_UpdatePage( descr );
        LISTBOX_UpdateScroll( descr );
    if (repaint)
        NtUserInvalidateRect( descr->self, 0, TRUE );
    }
    return LB_OKAY;
}

LISTBOX_SetRedraw()

static void LISTBOX_SetRedraw ( LB_DESCR *  descr, BOOL  on  )

static

Definition at line 822 of file listbox.c.

{
    if (on)
    {
        if (!(descr->style & LBS_NOREDRAW)) return;
        descr->style &= ~LBS_NOREDRAW;
        if (descr->style & LBS_DISPLAYCHANGED)
        {     /* page was changed while setredraw false, refresh automatically */
            NtUserInvalidateRect(descr->self, NULL, TRUE);
            if ((descr->top_item + descr->page_size) > descr->nb_items)
            {      /* reset top of page if less than number of items/page */
                descr->top_item = descr->nb_items - descr->page_size;
                if (descr->top_item < 0) descr->top_item = 0;
            }
            descr->style &= ~LBS_DISPLAYCHANGED;
        }
        LISTBOX_UpdateScroll( descr );
    }
    else descr->style |= LBS_NOREDRAW;
}

LISTBOX_SetSelection()

static LRESULT LISTBOX_SetSelection ( LB_DESCR *  descr, INT  index, BOOL  on, BOOL  send_notify  )

static

Definition at line 1651 of file listbox.c.

{
    TRACE( "cur_sel=%d index=%d notify=%s\n",
           descr->selected_item, index, send_notify ? "YES" : "NO" );
 
    if (descr->style & LBS_NOSEL)
    {
        descr->selected_item = index;
        return LB_ERR;
    }
    if ((index < -1) || (index >= descr->nb_items)) return LB_ERR;
    if (descr->style & LBS_MULTIPLESEL)
    {
        if (index == -1)  /* Select all items */
            return LISTBOX_SelectItemRange( descr, 0, descr->nb_items, on );
        else  /* Only one item */
            return LISTBOX_SelectItemRange( descr, index, index, on );
    }
    else
    {
        INT oldsel = descr->selected_item;
        if (index == oldsel) return LB_OKAY;
        if (oldsel != -1) set_item_selected_state(descr, oldsel, FALSE);
        if (index != -1) set_item_selected_state(descr, index, TRUE);
        descr->selected_item = index;
        if (oldsel != -1) LISTBOX_RepaintItem( descr, oldsel, ODA_SELECT );
        if (index != -1) LISTBOX_RepaintItem( descr, index, ODA_SELECT );
        if (send_notify && descr->nb_items) SEND_NOTIFICATION( descr,
                               (index != -1) ? LBN_SELCHANGE : LBN_SELCANCEL );
    else
        if( descr->lphc ) /* set selection change flag for parent combo */
        descr->lphc->wState |= CBF_SELCHANGE;
    }
    return LB_OKAY;
}

LISTBOX_SetTabStops()

static BOOL LISTBOX_SetTabStops ( LB_DESCR *  descr, INT  count, LPINT  tabs  )

static

Definition at line 926 of file listbox.c.

{
    INT i;
 
    if (!(descr->style & LBS_USETABSTOPS))
    {
        SetLastError(ERROR_LB_WITHOUT_TABSTOPS);
        return FALSE;
    }
 
    HeapFree( GetProcessHeap(), 0, descr->tabs );
    if (!(descr->nb_tabs = count))
    {
        descr->tabs = NULL;
        return TRUE;
    }
    if (!(descr->tabs = HeapAlloc( GetProcessHeap(), 0,
                                            descr->nb_tabs * sizeof(INT) )))
        return FALSE;
    memcpy( descr->tabs, tabs, descr->nb_tabs * sizeof(INT) );
 
    /* convert into "dialog units"*/
    for (i = 0; i < descr->nb_tabs; i++)
        descr->tabs[i] = MulDiv(descr->tabs[i], descr->avg_char_width, 4);
 
    return TRUE;
}

LISTBOX_SetTopItem()

static LRESULT LISTBOX_SetTopItem ( LB_DESCR *  descr, INT  index, BOOL  scroll  )

static

Definition at line 449 of file listbox.c.

{
    INT max = LISTBOX_GetMaxTopIndex( descr );
 
    TRACE("setting top item %d, scroll %d\n", index, scroll);
 
    if (index > max) index = max;
    if (index < 0) index = 0;
    if (descr->style & LBS_MULTICOLUMN) index -= index % descr->page_size;
    if (descr->top_item == index) return LB_OKAY;
    if (scroll)
    {
        INT dx = 0, dy = 0;
        if (descr->style & LBS_MULTICOLUMN)
            dx = (descr->top_item - index) / descr->page_size * descr->column_width;
        else if (descr->style & LBS_OWNERDRAWVARIABLE)
        {
            INT i;
            if (index > descr->top_item)
            {
                for (i = index - 1; i >= descr->top_item; i--)
                    dy -= get_item_height(descr, i);
            }
            else
            {
                for (i = index; i < descr->top_item; i++)
                    dy += get_item_height(descr, i);
            }
        }
        else
            dy = (descr->top_item - index) * descr->item_height;
 
        NtUserScrollWindowEx( descr->self, dx, dy, NULL, NULL, 0, NULL,
                              SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
    }
    else
        NtUserInvalidateRect( descr->self, NULL, TRUE );
    descr->top_item = index;
    LISTBOX_UpdateScroll( descr );
    return LB_OKAY;
}

LISTBOX_update_uistate()

static BOOL LISTBOX_update_uistate ( LB_DESCR *  descr )

static

Definition at line 2689 of file listbox.c.

{
    LONG prev_flags;
 
    prev_flags = descr->UIState;
    descr->UIState = DefWindowProcW(descr->self, WM_QUERYUISTATE, 0, 0);
    return prev_flags != descr->UIState;
}

Referenced by LISTBOX_Create(), and ListBoxWndProc_common().

LISTBOX_UpdatePage()

static void LISTBOX_UpdatePage ( LB_DESCR *  descr )

static

Definition at line 498 of file listbox.c.

{
    INT page_size;
 
    if ((descr->item_height == 0) || (page_size = descr->height / descr->item_height) < 1)
                       page_size = 1;
    if (page_size == descr->page_size) return;
    descr->page_size = page_size;
    if (descr->style & LBS_MULTICOLUMN)
        NtUserInvalidateRect( descr->self, NULL, TRUE );
    LISTBOX_SetTopItem( descr, descr->top_item, FALSE );
}

LISTBOX_UpdateScroll()

static void LISTBOX_UpdateScroll ( LB_DESCR *  descr )

static

Definition at line 345 of file listbox.c.

{
    SCROLLINFO info;
 
    /* Check the listbox scroll bar flags individually before we call
       NtUserSetScrollInfo otherwise when the listbox style is WS_HSCROLL and
       no WS_VSCROLL, we end up with an uninitialized, visible horizontal
       scroll bar when we do not need one.
    if (!(descr->style & WS_VSCROLL)) return;
    */
 
    /*   It is important that we check descr->style, and not wnd->dwStyle,
       for WS_VSCROLL, as the former is exactly the one passed in
       argument to CreateWindow.
         In Windows (and from now on in Wine :) a listbox created
       with such a style (no WS_SCROLL) does not update
       the scrollbar with listbox-related data, thus letting
       the programmer use it for his/her own purposes. */
 
    if (descr->style & LBS_NOREDRAW) return;
    info.cbSize = sizeof(info);
 
    if (descr->style & LBS_MULTICOLUMN)
    {
        info.nMin  = 0;
        info.nMax  = (descr->nb_items - 1) / descr->page_size;
        info.nPos  = descr->top_item / descr->page_size;
        info.nPage = descr->width / descr->column_width;
        if (info.nPage < 1) info.nPage = 1;
        info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
        if (descr->style & LBS_DISABLENOSCROLL)
            info.fMask |= SIF_DISABLENOSCROLL;
        if (descr->style & WS_HSCROLL)
#ifdef __REACTOS__
            /* Unlike WINE, SetScrollInfo is more than just a NtUserSetScrollInfo wrapper on ReactOS. */
            SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
#else
            NtUserSetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
#endif
        info.nMax = 0;
        info.fMask = SIF_RANGE;
        if (descr->style & WS_VSCROLL)
#ifdef __REACTOS__
            SetScrollInfo( descr->self, SB_VERT, &info, TRUE );
#else
            NtUserSetScrollInfo( descr->self, SB_VERT, &info, TRUE );
#endif
    }
    else
    {
        info.nMin  = 0;
        info.nMax  = descr->nb_items - 1;
        info.nPos  = descr->top_item;
        info.nPage = LISTBOX_GetCurrentPageSize( descr );
        info.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
        if (descr->style & LBS_DISABLENOSCROLL)
            info.fMask |= SIF_DISABLENOSCROLL;
        if (descr->style & WS_VSCROLL)
#ifdef __REACTOS__
            SetScrollInfo( descr->self, SB_VERT, &info, TRUE );
#else
            NtUserSetScrollInfo( descr->self, SB_VERT, &info, TRUE );
#endif
 
        if ((descr->style & WS_HSCROLL) && descr->horz_extent)
        {
            info.nPos  = descr->horz_pos;
            info.nPage = descr->width;
            info.fMask = SIF_POS | SIF_PAGE;
            if (descr->style & LBS_DISABLENOSCROLL)
                info.fMask |= SIF_DISABLENOSCROLL;
#ifdef __REACTOS__
            SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
#else
            NtUserSetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
#endif
        }
        else
        {
            if (descr->style & LBS_DISABLENOSCROLL)
            {
                info.nMin  = 0;
                info.nMax  = 0;
                info.fMask = SIF_RANGE | SIF_DISABLENOSCROLL;
#ifdef __REACTOS__
                SetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
#else
                NtUserSetScrollInfo( descr->self, SB_HORZ, &info, TRUE );
#endif
            }
            else
            {
                NtUserShowScrollBar( descr->self, SB_HORZ, FALSE );
            }
        }
    }
}

LISTBOX_UpdateSize()

static void LISTBOX_UpdateSize ( LB_DESCR *  descr )

static

Definition at line 518 of file listbox.c.

{
    RECT rect;
    LONG style = GetWindowLongPtrW( descr->self, GWL_STYLE );
 
    GetClientRect( descr->self, &rect );
    if (style & WS_HSCROLL)
        rect.bottom += GetSystemMetrics(SM_CYHSCROLL);
    descr->width  = rect.right - rect.left;
    descr->height = rect.bottom - rect.top;
    if (!(descr->style & LBS_NOINTEGRALHEIGHT) && !(descr->style & LBS_OWNERDRAWVARIABLE))
    {
        int height = descr->height;
        INT remaining;
        RECT rect;
 
        /* The whole point of integral height is to ensure that partial items
         * aren't displayed. Native seems to fail to take the horizontal
         * scrollbar into account (while successfully taking into account e.g.
         * WS_EX_CLIENTEDGE), so it ends up obscuring partial items anyway.
         *
         * It's not clear if native is trying to work from
         * the window rect as opposed to the client rect [and badly
         * reimplementing AdjustWindowRect()] or poorly working around the case
         * where the horizontal scrollbar is repeatedly toggled (which could
         * unnecessarily shrink the scrollbar every time it happens). */
        if (GetWindowLongW( descr->self, GWL_STYLE ) & WS_HSCROLL)
            height += GetSystemMetrics( SM_CYHSCROLL );
 
        GetWindowRect( descr->self, &rect );
        if(descr->item_height != 0)
            remaining = height % descr->item_height;
        else
            remaining = 0;
        if ((height > descr->item_height) && remaining)
        {
            TRACE( "[%p]: changing height %d -> %d\n", descr->self, height, height - remaining );
            NtUserSetWindowPos( descr->self, 0, 0, 0, rect.right - rect.left,
                                rect.bottom - rect.top - remaining,
                                SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE );
            return;
        }
    }
    TRACE("[%p]: new size = %d,%d\n", descr->self, descr->width, descr->height );
    LISTBOX_UpdatePage( descr );
    LISTBOX_UpdateScroll( descr );
 
    /* Invalidate the focused item so it will be repainted correctly */
    if (LISTBOX_GetItemRect( descr, descr->focus_item, &rect ) == 1)
    {
        NtUserInvalidateRect( descr->self, &rect, FALSE );
    }
}

ListBoxWndProc_common()

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

Definition at line 2810 of file listbox.c.

{
    LB_DESCR *descr = get_control_state( hwnd );
    HEADCOMBO *lphc = NULL;
    LRESULT ret;
    if (msg == WM_CREATE || msg == WM_NCCREATE) NtUserSetWindowFNID( hwnd, MAKE_FNID(NTUSER_WNDPROC_LISTBOX) );
 
    if (!descr)
    {
        if (!IsWindow(hwnd)) return 0;
 
        if (msg == WM_CREATE)
        {
        CREATESTRUCTW *lpcs = (CREATESTRUCTW *)lParam;
            if (lpcs->style & LBS_COMBOBOX) lphc = lpcs->lpCreateParams;
            if (!LISTBOX_Create( hwnd, lphc )) return -1;
            TRACE("creating hwnd %p descr %p\n", hwnd, get_control_state( hwnd ) );
            return 0;
        }
        /* Ignore all other messages before we get a WM_CREATE */
        return unicode ? DefWindowProcW( hwnd, msg, wParam, lParam ) :
                         DefWindowProcA( hwnd, msg, wParam, lParam );
    }
    if (descr->style & LBS_COMBOBOX) lphc = descr->lphc;
 
    TRACE("[%p]: msg %s wp %08Ix lp %08Ix\n",
          descr->self, SPY_GetMsgName(msg, descr->self), wParam, lParam );
 
    switch(msg)
    {
    case LB_RESETCONTENT:
        LISTBOX_ResetContent( descr );
        LISTBOX_UpdateScroll( descr );
        NtUserInvalidateRect( descr->self, NULL, TRUE );
        return 0;
 
    case LB_ADDSTRING:
#ifdef __REACTOS__
    case LB_ADDSTRING_LOWER:
    case LB_ADDSTRING_UPPER:
#endif
    {
        INT ret;
        LPWSTR textW;
        if(unicode || !HAS_STRINGS(descr))
            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))))
                MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
            else
                return LB_ERRSPACE;
        }
#ifdef __REACTOS__
        /* in the unicode the version, the string is really overwritten
           during the converting case */
        if (msg == LB_ADDSTRING_LOWER)
            strlwrW(textW);
        else if (msg == LB_ADDSTRING_UPPER)
            struprW(textW);
#endif
        wParam = LISTBOX_FindStringPos( descr, textW, FALSE );
        ret = LISTBOX_InsertString( descr, wParam, textW );
        if (!unicode && HAS_STRINGS(descr))
            HeapFree(GetProcessHeap(), 0, textW);
        return ret;
    }
 
    case LB_INSERTSTRING:
#ifdef __REACTOS__
    case LB_INSERTSTRING_UPPER:
    case LB_INSERTSTRING_LOWER:
#endif
    {
        INT ret;
        LPWSTR textW;
        if(unicode || !HAS_STRINGS(descr))
            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))))
                MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
            else
                return LB_ERRSPACE;
        }
#ifdef __REACTOS__
        /* in the unicode the version, the string is really overwritten
           during the converting case */
        if (msg == LB_INSERTSTRING_LOWER)
            strlwrW(textW);
        else if (msg == LB_INSERTSTRING_UPPER)
            struprW(textW);
#endif
        ret = LISTBOX_InsertString( descr, wParam, textW );
        if(!unicode && HAS_STRINGS(descr))
            HeapFree(GetProcessHeap(), 0, textW);
        return ret;
    }
 
    case LB_ADDFILE:
    {
        INT ret;
        LPWSTR textW;
        if(unicode || !HAS_STRINGS(descr))
            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))))
                MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
            else
                return LB_ERRSPACE;
        }
        wParam = LISTBOX_FindFileStrPos( descr, textW );
        ret = LISTBOX_InsertString( descr, wParam, textW );
        if(!unicode && HAS_STRINGS(descr))
            HeapFree(GetProcessHeap(), 0, textW);
        return ret;
    }
 
    case LB_DELETESTRING:
        if (LISTBOX_RemoveItem( descr, wParam) != LB_ERR)
            return descr->nb_items;
        else
        {
            SetLastError(ERROR_INVALID_INDEX);
            return LB_ERR;
        }
 
    case LB_GETITEMDATA:
        if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
        {
            SetLastError(ERROR_INVALID_INDEX);
            return LB_ERR;
        }
        return get_item_data(descr, wParam);
 
    case LB_SETITEMDATA:
        if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
        {
            SetLastError(ERROR_INVALID_INDEX);
            return LB_ERR;
        }
        set_item_data(descr, wParam, lParam);
        /* undocumented: returns TRUE, not LB_OKAY (0) */
        return TRUE;
 
    case LB_GETCOUNT:
        return descr->nb_items;
 
    case LB_GETTEXT:
        return LISTBOX_GetText( descr, wParam, (LPWSTR)lParam, unicode );
 
    case LB_GETTEXTLEN:
        if ((INT)wParam >= descr->nb_items || (INT)wParam < 0)
        {
            SetLastError(ERROR_INVALID_INDEX);
            return LB_ERR;
        }
        if (!HAS_STRINGS(descr)) return sizeof(ULONG_PTR);
        if (unicode) return lstrlenW(get_item_string(descr, wParam));
        return WideCharToMultiByte( CP_ACP, 0, get_item_string(descr, wParam),
                                    lstrlenW(get_item_string(descr, wParam)), NULL, 0, NULL, NULL );
 
    case LB_GETCURSEL:
        if (descr->nb_items == 0)
            return LB_ERR;
        if (!IS_MULTISELECT(descr))
            return descr->selected_item;
        if (descr->selected_item != -1)
            return descr->selected_item;
        return descr->focus_item;
        /* otherwise, if the user tries to move the selection with the    */
        /* arrow keys, we will give the application something to choke on */
    case LB_GETTOPINDEX:
        return descr->top_item;
 
    case LB_GETITEMHEIGHT:
        return LISTBOX_GetItemHeight( descr, wParam );
 
    case LB_SETITEMHEIGHT:
        return LISTBOX_SetItemHeight( descr, wParam, lParam, TRUE );
 
    case LB_ITEMFROMPOINT:
        {
            POINT pt;
            RECT rect;
            int index;
            BOOL hit = TRUE;
 
            /* The hiword of the return value is not a client area
               hittest as suggested by MSDN, but rather a hittest on
               the returned listbox item. */
 
            if(descr->nb_items == 0)
                return 0x1ffff;      /* win9x returns 0x10000, we copy winnt */
 
            pt.x = (short)LOWORD(lParam);
            pt.y = (short)HIWORD(lParam);
 
            SetRect(&rect, 0, 0, descr->width, descr->height);
 
            if(!PtInRect(&rect, pt))
            {
                pt.x = min(pt.x, rect.right - 1);
                pt.x = max(pt.x, 0);
                pt.y = min(pt.y, rect.bottom - 1);
                pt.y = max(pt.y, 0);
                hit = FALSE;
            }
 
            index = LISTBOX_GetItemFromPoint(descr, pt.x, pt.y);
 
            if(index == -1)
            {
                index = descr->nb_items - 1;
                hit = FALSE;
            }
            return MAKELONG(index, hit ? 0 : 1);
        }
 
    case LB_SETCARETINDEX:
        if ((!IS_MULTISELECT(descr)) && (descr->selected_item != -1)) return LB_ERR;
        if (LISTBOX_SetCaretIndex( descr, wParam, !lParam ) == LB_ERR)
            return LB_ERR;
        else if (ISWIN31)
             return wParam;
        else
             return LB_OKAY;
 
    case LB_GETCARETINDEX:
        return descr->focus_item;
 
    case LB_SETTOPINDEX:
        return LISTBOX_SetTopItem( descr, wParam, TRUE );
 
    case LB_SETCOLUMNWIDTH:
        return LISTBOX_SetColumnWidth( descr, wParam );
 
    case LB_GETITEMRECT:
        return LISTBOX_GetItemRect( descr, wParam, (RECT *)lParam );
 
    case LB_FINDSTRING:
    {
        INT ret;
        LPWSTR textW;
        if(unicode || !HAS_STRINGS(descr))
            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))))
                MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
        }
        ret = LISTBOX_FindString( descr, wParam, textW, FALSE );
        if(!unicode && HAS_STRINGS(descr))
            HeapFree(GetProcessHeap(), 0, textW);
        return ret;
    }
 
    case LB_FINDSTRINGEXACT:
    {
        INT ret;
        LPWSTR textW;
        if(unicode || !HAS_STRINGS(descr))
            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))))
                MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
        }
        ret = LISTBOX_FindString( descr, wParam, textW, TRUE );
        if(!unicode && HAS_STRINGS(descr))
            HeapFree(GetProcessHeap(), 0, textW);
        return ret;
    }
 
    case LB_SELECTSTRING:
    {
        INT index;
        LPWSTR textW;
 
    if(HAS_STRINGS(descr))
        TRACE("LB_SELECTSTRING: %s\n", unicode ? debugstr_w((LPWSTR)lParam) :
                             debugstr_a((LPSTR)lParam));
        if(unicode || !HAS_STRINGS(descr))
            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))))
                MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
        }
        index = LISTBOX_FindString( descr, wParam, textW, FALSE );
        if(!unicode && HAS_STRINGS(descr))
            HeapFree(GetProcessHeap(), 0, textW);
        if (index != LB_ERR)
        {
            LISTBOX_MoveCaret( descr, index, TRUE );
            LISTBOX_SetSelection( descr, index, TRUE, FALSE );
        }
        return index;
    }
 
    case LB_GETSEL:
        if (((INT)wParam < 0) || ((INT)wParam >= descr->nb_items))
            return LB_ERR;
        return is_item_selected(descr, wParam);
 
    case LB_SETSEL:
        ret = LISTBOX_SetSelection( descr, lParam, wParam, FALSE );
        if (ret != LB_ERR && wParam)
        {
            descr->anchor_item = lParam;
            if (lParam != -1)
                LISTBOX_SetCaretIndex( descr, lParam, TRUE );
        }
        return ret;
 
    case LB_SETCURSEL:
        if (IS_MULTISELECT(descr)) return LB_ERR;
        LISTBOX_SetCaretIndex( descr, wParam, TRUE );
        ret = LISTBOX_SetSelection( descr, wParam, TRUE, FALSE );
        if (ret != LB_ERR)
        {
            ret = descr->selected_item;
            NtUserNotifyWinEvent( EVENT_OBJECT_FOCUS, descr->self, OBJID_CLIENT, ret + 1 );
            NtUserNotifyWinEvent( EVENT_OBJECT_SELECTION, descr->self, OBJID_CLIENT, ret + 1 );
        }
    return ret;
 
    case LB_GETSELCOUNT:
        return LISTBOX_GetSelCount( descr );
 
    case LB_GETSELITEMS:
        return LISTBOX_GetSelItems( descr, wParam, (LPINT)lParam );
 
    case LB_SELITEMRANGE:
        if (LOWORD(lParam) <= HIWORD(lParam))
            return LISTBOX_SelectItemRange( descr, LOWORD(lParam),
                                            HIWORD(lParam), wParam );
        else
            return LISTBOX_SelectItemRange( descr, HIWORD(lParam),
                                            LOWORD(lParam), wParam );
 
    case LB_SELITEMRANGEEX:
        if ((INT)lParam >= (INT)wParam)
            return LISTBOX_SelectItemRange( descr, wParam, lParam, TRUE );
        else
            return LISTBOX_SelectItemRange( descr, lParam, wParam, FALSE);
 
    case LB_GETHORIZONTALEXTENT:
        return descr->horz_extent;
 
    case LB_SETHORIZONTALEXTENT:
        return LISTBOX_SetHorizontalExtent( descr, wParam );
 
    case LB_GETANCHORINDEX:
        return descr->anchor_item;
 
    case LB_SETANCHORINDEX:
        if (((INT)wParam < -1) || ((INT)wParam >= descr->nb_items))
        {
            SetLastError(ERROR_INVALID_INDEX);
            return LB_ERR;
        }
        descr->anchor_item = (INT)wParam;
        return LB_OKAY;
 
    case LB_DIR:
    {
        INT ret;
        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))))
                MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, countW);
        }
        ret = LISTBOX_Directory( descr, wParam, textW, msg == LB_DIR );
        if(!unicode)
            HeapFree(GetProcessHeap(), 0, textW);
        return ret;
    }
 
    case LB_GETLOCALE:
        return descr->locale;
 
    case LB_SETLOCALE:
    {
        LCID ret;
        if (!IsValidLocale((LCID)wParam, LCID_INSTALLED))
            return LB_ERR;
        ret = descr->locale;
        descr->locale = (LCID)wParam;
        return ret;
    }
 
    case LB_INITSTORAGE:
        return LISTBOX_InitStorage( descr, wParam );
 
    case LB_SETCOUNT:
        return LISTBOX_SetCount( descr, (INT)wParam );
 
    case LB_SETTABSTOPS:
        return LISTBOX_SetTabStops( descr, wParam, (LPINT)lParam );
 
    case LB_CARETON:
        if (descr->caret_on)
            return LB_OKAY;
        descr->caret_on = TRUE;
        if ((descr->focus_item != -1) && (descr->in_focus))
            LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
        return LB_OKAY;
 
    case LB_CARETOFF:
        if (!descr->caret_on)
            return LB_OKAY;
        descr->caret_on = FALSE;
        if ((descr->focus_item != -1) && (descr->in_focus))
            LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
        return LB_OKAY;
 
    case LB_GETLISTBOXINFO:
        return descr->page_size;
 
    case WM_DESTROY:
        return LISTBOX_Destroy( descr );
 
    case WM_ENABLE:
        NtUserInvalidateRect( descr->self, NULL, TRUE );
        return 0;
 
    case WM_SETREDRAW:
        LISTBOX_SetRedraw( descr, wParam != 0 );
        return 0;
 
    case WM_GETDLGCODE:
        return DLGC_WANTARROWS | DLGC_WANTCHARS;
 
    case WM_PRINTCLIENT:
    case WM_PAINT:
        {
            PAINTSTRUCT ps;
            HDC hdc = ( wParam ) ? ((HDC)wParam) :  NtUserBeginPaint( descr->self, &ps );
            ret = LISTBOX_Paint( descr, hdc );
            if (!wParam) NtUserEndPaint( descr->self, &ps );
        }
        return ret;
    case WM_SIZE:
        LISTBOX_UpdateSize( descr );
        return 0;
    case WM_GETFONT:
        return (LRESULT)descr->font;
    case WM_SETFONT:
        LISTBOX_SetFont( descr, (HFONT)wParam );
        if (lParam) NtUserInvalidateRect( descr->self, 0, TRUE );
        return 0;
    case WM_SETFOCUS:
        descr->in_focus = TRUE;
        descr->caret_on = TRUE;
        if (descr->focus_item != -1)
            LISTBOX_DrawFocusRect( descr, TRUE );
        SEND_NOTIFICATION( descr, LBN_SETFOCUS );
        NtUserNotifyWinEvent( EVENT_OBJECT_FOCUS, descr->self, OBJID_CLIENT, descr->focus_item + 1 );
        return 0;
    case WM_KILLFOCUS:
        LISTBOX_HandleLButtonUp( descr ); /* Release capture if we have it */
        descr->in_focus = FALSE;
        descr->wheel_remain = 0;
        if ((descr->focus_item != -1) && descr->caret_on)
            LISTBOX_RepaintItem( descr, descr->focus_item, ODA_FOCUS );
        SEND_NOTIFICATION( descr, LBN_KILLFOCUS );
        return 0;
    case WM_HSCROLL:
        return LISTBOX_HandleHScroll( descr, LOWORD(wParam), HIWORD(wParam) );
    case WM_VSCROLL:
        return LISTBOX_HandleVScroll( descr, LOWORD(wParam), HIWORD(wParam) );
    case WM_MOUSEWHEEL:
        if (wParam & (MK_SHIFT | MK_CONTROL))
            return DefWindowProcW( descr->self, msg, wParam, lParam );
        return LISTBOX_HandleMouseWheel( descr, (SHORT)HIWORD(wParam) );
    case WM_LBUTTONDOWN:
    if (lphc)
            return LISTBOX_HandleLButtonDownCombo(descr, msg, wParam,
                                                  (INT16)LOWORD(lParam),
                                                  (INT16)HIWORD(lParam) );
        return LISTBOX_HandleLButtonDown( descr, wParam,
                                          (INT16)LOWORD(lParam),
                                          (INT16)HIWORD(lParam) );
    case WM_LBUTTONDBLCLK:
    if (lphc)
            return LISTBOX_HandleLButtonDownCombo(descr, msg, wParam,
                                                  (INT16)LOWORD(lParam),
                                                  (INT16)HIWORD(lParam) );
        if ((descr->style & LBS_NOTIFY) && descr->nb_items)
            SEND_NOTIFICATION( descr, LBN_DBLCLK );
        return 0;
    case WM_MOUSEMOVE:
        if ( lphc && ((lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE) )
        {
            BOOL    captured = descr->captured;
            POINT   mousePos;
            RECT    clientRect;
 
            mousePos.x = (INT16)LOWORD(lParam);
            mousePos.y = (INT16)HIWORD(lParam);
 
            /*
             * If we are in a dropdown combobox, we simulate that
             * the mouse is captured to show the tracking of the item.
             */
            if (GetClientRect(descr->self, &clientRect) && PtInRect( &clientRect, mousePos ))
                descr->captured = TRUE;
 
            LISTBOX_HandleMouseMove( descr, mousePos.x, mousePos.y);
 
            descr->captured = captured;
        }
        else if (GetCapture() == descr->self)
        {
            LISTBOX_HandleMouseMove( descr, (INT16)LOWORD(lParam),
                                     (INT16)HIWORD(lParam) );
        }
        return 0;
    case WM_LBUTTONUP:
    if (lphc)
    {
            POINT mousePos;
            RECT  clientRect;
 
            /*
             * If the mouse button "up" is not in the listbox,
             * we make sure there is no selection by re-selecting the
             * item that was selected when the listbox was made visible.
             */
            mousePos.x = (INT16)LOWORD(lParam);
            mousePos.y = (INT16)HIWORD(lParam);
 
            GetClientRect(descr->self, &clientRect);
 
            /*
             * When the user clicks outside the combobox and the focus
             * is lost, the owning combobox will send a fake buttonup with
             * 0xFFFFFFF as the mouse location, we must also revert the
             * selection to the original selection.
             */
            if ( (lParam == (LPARAM)-1) || (!PtInRect( &clientRect, mousePos )) )
                LISTBOX_MoveCaret( descr, lphc->droppedIndex, FALSE );
        }
        return LISTBOX_HandleLButtonUp( descr );
    case WM_KEYDOWN:
        if( lphc && (lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE )
        {
            /* for some reason Windows makes it possible to
             * show/hide ComboLBox by sending it WM_KEYDOWNs */
 
            if( (!(lphc->wState & CBF_EUI) && wParam == VK_F4) ||
                ( (lphc->wState & CBF_EUI) && !(lphc->wState & CBF_DROPPED)
                  && (wParam == VK_DOWN || wParam == VK_UP)) )
            {
                COMBO_FlipListbox( lphc, FALSE, FALSE );
                return 0;
            }
        }
        return LISTBOX_HandleKeyDown( descr, wParam );
    case WM_CHAR:
    {
        WCHAR charW;
        if(unicode)
            charW = (WCHAR)wParam;
        else
        {
            CHAR charA = (CHAR)wParam;
            MultiByteToWideChar(CP_ACP, 0, &charA, 1, &charW, 1);
        }
        return LISTBOX_HandleChar( descr, charW );
    }
    case WM_SYSTIMER:
        return LISTBOX_HandleSystemTimer( descr );
    case WM_ERASEBKGND:
        if ((IS_OWNERDRAW(descr)) && !(descr->style & LBS_DISPLAYCHANGED))
        {
            RECT rect;
#ifdef __REACTOS__
            HBRUSH hbrush = GetControlColor( descr->owner, descr->self, (HDC)wParam, WM_CTLCOLORLISTBOX);
#else
            HBRUSH hbrush = (HBRUSH)SendMessageW( descr->owner, WM_CTLCOLORLISTBOX,
                                              wParam, (LPARAM)descr->self );
#endif
        TRACE("hbrush = %p\n", hbrush);
        if(!hbrush)
        hbrush = GetSysColorBrush(COLOR_WINDOW);
        if(hbrush)
        {
        GetClientRect(descr->self, &rect);
        FillRect((HDC)wParam, &rect, hbrush);
        }
        }
        return 1;
    case WM_DROPFILES:
        if( lphc ) return 0;
        return unicode ? SendMessageW( descr->owner, msg, wParam, lParam ) :
                         SendMessageA( descr->owner, msg, wParam, lParam );
 
    case WM_NCDESTROY:
        if( lphc && (lphc->dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE )
            lphc->hWndLBox = 0;
#ifdef __REACTOS__
        NtUserSetWindowFNID(hwnd, FNID_DESTROY);
#endif
        break;
 
    case WM_NCACTIVATE:
        if (lphc) return 0;
    break;
#ifdef __REACTOS__
    case WM_UPDATEUISTATE:
        if (unicode)
            DefWindowProcW(descr->self, msg, wParam, lParam);
        else
            DefWindowProcA(descr->self, msg, wParam, lParam);
 
        if (LISTBOX_update_uistate(descr))
        {
           /* redraw text */
           if (descr->focus_item != -1)
               LISTBOX_DrawFocusRect( descr, descr->in_focus );
        }
        break;
#endif
    default:
        if ((msg >= WM_USER) && (msg < 0xc000))
            WARN("[%p]: unknown msg %04x wp %08Ix lp %08Ix\n",
                 hwnd, msg, wParam, lParam );
    }
 
    return unicode ? DefWindowProcW( hwnd, msg, wParam, lParam ) :
                     DefWindowProcA( hwnd, msg, wParam, lParam );
}

Referenced by RegisterClientPFN().

remove_item_data()

static void remove_item_data ( LB_DESCR *  descr, UINT  index  )

static

Definition at line 278 of file listbox.c.

{
    size_t size = get_sizeof_item(descr);
    BYTE *p = descr->u.nodata_items + index * size;
 
    if (!descr->u.items) return;
 
    if (index < descr->nb_items)
        memmove(p, p + size, (descr->nb_items - index) * size);
}

resize_storage()

static BOOL resize_storage ( LB_DESCR *  descr, UINT  items_size  )

static

Definition at line 187 of file listbox.c.

{
    LB_ITEMDATA *items;
 
    if (items_size > descr->items_size ||
        items_size + LB_ARRAY_GRANULARITY * 2 < descr->items_size)
    {
        items_size = (items_size + LB_ARRAY_GRANULARITY - 1) & ~(LB_ARRAY_GRANULARITY - 1);
        if ((descr->style & (LBS_NODATA | LBS_MULTIPLESEL | LBS_EXTENDEDSEL)) != LBS_NODATA)
        {
            items = realloc(descr->u.items, items_size * get_sizeof_item(descr));
            if (!items)
            {
                SEND_NOTIFICATION(descr, LBN_ERRSPACE);
                return FALSE;
            }
            descr->u.items = items;
        }
        descr->items_size = items_size;
    }
 
    if ((descr->style & LBS_NODATA) && descr->u.nodata_items && items_size > descr->nb_items)
    {
        memset(descr->u.nodata_items + descr->nb_items, 0,
               (items_size - descr->nb_items) * get_sizeof_item(descr));
    }
    return TRUE;
}

set_control_state()

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

static

Definition at line 167 of file listbox.c.

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

Referenced by LISTBOX_Create(), and LISTBOX_Destroy().

set_item_data()

static void set_item_data ( LB_DESCR *  descr, UINT  index, ULONG_PTR  data  )

static

Definition at line 221 of file listbox.c.

{
    if (!(descr->style & LBS_NODATA)) descr->u.items[index].data = data;
}

set_item_height()

static void set_item_height ( LB_DESCR *  descr, UINT  index, UINT  height  )

static

Definition at line 241 of file listbox.c.

{
    if (!(descr->style & LBS_NODATA)) descr->u.items[index].height = height;
}

set_item_selected_state()

static void set_item_selected_state ( LB_DESCR *  descr, UINT  index, BOOL  state  )

static

Definition at line 256 of file listbox.c.

{
    if (descr->style & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL))
    {
        if (descr->style & LBS_NODATA)
            descr->u.nodata_items[index] = state;
        else
            descr->u.items[index].selected = state;
    }
}

set_item_string()

static void set_item_string ( const LB_DESCR *  descr, UINT  index, WCHAR *  string  )

static

Definition at line 231 of file listbox.c.

{
    if (!(descr->style & LBS_NODATA)) descr->u.items[index].str = string;
}

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

listbox

)

Variable Documentation

LISTBOX_Timer

TIMER_DIRECTION LISTBOX_Timer = LB_TIMER_NONE

static

Definition at line 125 of file listbox.c.