combo.c File Reference

#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "uxtheme.h"
#include "vssym32.h"
#include "commctrl.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "comctl32.h"

Include dependency graph for combo.c:

Go to the source code of this file.

Macros
#define	OEMRESOURCE
#define	KEYDATA_ALT   0x2000
#define	KEYDATA_PREVSTATE   0x4000
#define	CB_NOTIFY(lphc, code)
#define	CB_DISABLED(lphc)   (!IsWindowEnabled((lphc)->self))
#define	CB_OWNERDRAWN(lphc)   ((lphc)->dwStyle & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE))
#define	CB_HASSTRINGS(lphc)   ((lphc)->dwStyle & CBS_HASSTRINGS)
#define	CB_HWND(lphc)   ((lphc)->self)
#define	CB_GETTYPE(lphc)   ((lphc)->dwStyle & (CBS_DROPDOWNLIST))
#define	ISWIN31   (LOWORD(GetVersion()) == 0x0a03)
#define	COMBO_YBORDERGAP   5
#define	COMBO_XBORDERSIZE()   2
#define	COMBO_YBORDERSIZE()   2
#define	COMBO_EDITBUTTONSPACE()   0
#define	EDIT_CONTROL_PADDING()   1
#define	ID_CB_LISTBOX   1000
#define	ID_CB_EDIT   1001

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (combo)
static void	CBCalcPlacement (HEADCOMBO *combo)
static void	CBResetPos (HEADCOMBO *combo)
static BOOL	COMBO_Init (void)
static LRESULT	COMBO_NCCreate (HWND hwnd, LONG style)
static LRESULT	COMBO_NCDestroy (HEADCOMBO *lphc)
static INT	combo_get_text_height (const HEADCOMBO *combo)
static INT	CBGetTextAreaHeight (HEADCOMBO *lphc, BOOL clip_item_height)
static void	CBForceDummyResize (LPHEADCOMBO lphc)
static void	CBGetDroppedControlRect (LPHEADCOMBO lphc, LPRECT lpRect)
static LRESULT	COMBO_Create (HWND hwnd, LPHEADCOMBO lphc, HWND hwndParent, LONG style)
static void	CBPaintButton (HEADCOMBO *lphc, HDC hdc)
static HBRUSH	COMBO_PrepareColors (LPHEADCOMBO lphc, HDC hDC)
static void	CBPaintText (HEADCOMBO *lphc, HDC hdc_paint)
static void	CBPaintBorder (const HEADCOMBO *lphc, HDC hdc)
static LRESULT	COMBO_ThemedPaint (HTHEME theme, HEADCOMBO *lphc, HDC hdc)
static LRESULT	COMBO_Paint (HEADCOMBO *lphc, HDC hdc)
static INT	CBUpdateLBox (LPHEADCOMBO lphc, BOOL bSelect)
static void	CBUpdateEdit (LPHEADCOMBO lphc, INT index)
static void	CBDropDown (LPHEADCOMBO lphc)
static void	CBRollUp (LPHEADCOMBO lphc, BOOL ok, BOOL bButton)
BOOL	COMBO_FlipListbox (LPHEADCOMBO lphc, BOOL ok, BOOL bRedrawButton)
static void	CBRepaintButton (LPHEADCOMBO lphc)
static void	COMBO_SetFocus (LPHEADCOMBO lphc)
static void	COMBO_KillFocus (LPHEADCOMBO lphc)
static LRESULT	COMBO_Command (LPHEADCOMBO lphc, WPARAM wParam, HWND hWnd)
static LRESULT	COMBO_ItemOp (LPHEADCOMBO lphc, UINT msg, LPARAM lParam)
static LRESULT	COMBO_GetText (HEADCOMBO *lphc, INT count, LPWSTR buf)
static void	COMBO_Size (HEADCOMBO *lphc)
static void	COMBO_Font (LPHEADCOMBO lphc, HFONT hFont, BOOL bRedraw)
static LRESULT	COMBO_SetItemHeight (LPHEADCOMBO lphc, INT index, INT height)
static LRESULT	COMBO_SelectString (LPHEADCOMBO lphc, INT start, LPARAM pText)
static void	COMBO_LButtonDown (LPHEADCOMBO lphc, LPARAM lParam)
static void	COMBO_LButtonUp (LPHEADCOMBO lphc)
static void	COMBO_MouseMove (LPHEADCOMBO lphc, WPARAM wParam, LPARAM lParam)
static LRESULT	COMBO_GetComboBoxInfo (const HEADCOMBO *lphc, COMBOBOXINFO *pcbi)
static LRESULT CALLBACK	COMBO_WindowProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
void	COMBO_Register (void)

Variables
static HBITMAP	hComboBmp = 0
static UINT	CBitHeight
static UINT	CBitWidth

Macro Definition Documentation

CB_DISABLED

#define CB_DISABLED

(

lphc

)

(!IsWindowEnabled((lphc)->self))

Definition at line 54 of file combo.c.

CB_GETTYPE

#define CB_GETTYPE

(

lphc

)

((lphc)->dwStyle & (CBS_DROPDOWNLIST))

Definition at line 58 of file combo.c.

CB_HASSTRINGS

#define CB_HASSTRINGS

(

lphc

)

((lphc)->dwStyle & CBS_HASSTRINGS)

Definition at line 56 of file combo.c.

CB_HWND

#define CB_HWND

(

lphc

)

((lphc)->self)

Definition at line 57 of file combo.c.

CB_NOTIFY

#define CB_NOTIFY	(		lphc,
			code
	)

Value:

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

Definition at line 50 of file combo.c.

CB_OWNERDRAWN

#define CB_OWNERDRAWN

(

lphc

)

((lphc)->dwStyle & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE))

Definition at line 55 of file combo.c.

COMBO_EDITBUTTONSPACE

#define COMBO_EDITBUTTONSPACE

(

)

0

Definition at line 75 of file combo.c.

COMBO_XBORDERSIZE

#define COMBO_XBORDERSIZE

(

)

2

Definition at line 73 of file combo.c.

COMBO_YBORDERGAP

#define COMBO_YBORDERGAP   5

Definition at line 72 of file combo.c.

COMBO_YBORDERSIZE

#define COMBO_YBORDERSIZE

(

)

2

Definition at line 74 of file combo.c.

EDIT_CONTROL_PADDING

#define EDIT_CONTROL_PADDING

(

)

1

Definition at line 76 of file combo.c.

ID_CB_EDIT

#define ID_CB_EDIT   1001

Definition at line 79 of file combo.c.

ID_CB_LISTBOX

#define ID_CB_LISTBOX   1000

Definition at line 78 of file combo.c.

ISWIN31

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

Definition at line 60 of file combo.c.

KEYDATA_ALT

#define KEYDATA_ALT   0x2000

Definition at line 43 of file combo.c.

KEYDATA_PREVSTATE

#define KEYDATA_PREVSTATE   0x4000

Definition at line 44 of file combo.c.

OEMRESOURCE

#define OEMRESOURCE

Definition at line 26 of file combo.c.

Function Documentation

CBCalcPlacement()

static void CBCalcPlacement ( HEADCOMBO *  combo )

static

Definition at line 317 of file combo.c.

{
    /* Start with the client rectangle. */
    GetClientRect(combo->self, &combo->textRect);
 
    /* Remove the borders */
    InflateRect(&combo->textRect, -COMBO_XBORDERSIZE(), -COMBO_YBORDERSIZE());
 
    /* Chop off the bottom part to fit with the height of the text area. */
    combo->textRect.bottom = combo->textRect.top + CBGetTextAreaHeight(combo, FALSE);
 
    /* The button starts the same vertical position as the text area. */
    combo->buttonRect = combo->textRect;
 
    /* If the combobox is "simple" there is no button. */
    if (CB_GETTYPE(combo) == CBS_SIMPLE)
        combo->buttonRect.left = combo->buttonRect.right = combo->buttonRect.bottom = 0;
    else
    {
        /*
         * Let's assume the combobox button is the same width as the
         * scrollbar button.
         * size the button horizontally and cut-off the text area.
         */
        combo->buttonRect.left = combo->buttonRect.right - GetSystemMetrics(SM_CXVSCROLL);
        combo->textRect.right = combo->buttonRect.left;
    }
 
    /* In the case of a dropdown, there is an additional spacing between the text area and the button. */
    if (CB_GETTYPE(combo) == CBS_DROPDOWN)
        combo->textRect.right -= COMBO_EDITBUTTONSPACE();
 
    /* If we have an edit control, we space it away from the borders slightly. */
    if (CB_GETTYPE(combo) != CBS_DROPDOWNLIST)
        InflateRect(&combo->textRect, -EDIT_CONTROL_PADDING(), -EDIT_CONTROL_PADDING());
 
    /* Adjust the size of the listbox popup. */
    if (CB_GETTYPE(combo) == CBS_SIMPLE)
    {
        GetClientRect(combo->self, &combo->droppedRect);
        combo->droppedRect.top = combo->textRect.bottom + COMBO_YBORDERSIZE();
    }
    else
    {
        /* Make sure the dropped width is as large as the combobox itself. */
        if (combo->droppedWidth < (combo->buttonRect.right + COMBO_XBORDERSIZE()))
        {
            combo->droppedRect.right = combo->droppedRect.left + (combo->buttonRect.right + COMBO_XBORDERSIZE());
 
            /* In the case of a dropdown, the popup listbox is offset to the right. We want to make sure it's flush
               with the right side of the combobox */
            if (CB_GETTYPE(combo) == CBS_DROPDOWN)
                combo->droppedRect.right -= COMBO_EDITBUTTONSPACE();
        }
        else
            combo->droppedRect.right = combo->droppedRect.left + combo->droppedWidth;
    }
 
    /* Disallow negative window width */
    if (combo->textRect.right < combo->textRect.left)
        combo->textRect.right = combo->textRect.left;
 
    TRACE("text %s, button %s, lbox %s.\n", wine_dbgstr_rect(&combo->textRect), wine_dbgstr_rect(&combo->buttonRect),
            wine_dbgstr_rect(&combo->droppedRect));
}

Referenced by CBForceDummyResize(), COMBO_Create(), COMBO_Font(), COMBO_SetItemHeight(), COMBO_Size(), COMBO_WindowProc(), and ComboWndProc_common().

CBDropDown()

static void CBDropDown ( LPHEADCOMBO  lphc )

static

Definition at line 925 of file combo.c.

{
    HMONITOR monitor;
    MONITORINFO mon_info;
   RECT rect,r;
   int nItems;
   int nDroppedHeight;
 
   TRACE("[%p]: drop down\n", lphc->self);
 
   CB_NOTIFY( lphc, CBN_DROPDOWN );
 
   /* set selection */
 
   lphc->wState |= CBF_DROPPED;
   if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
   {
       lphc->droppedIndex = CBUpdateLBox( lphc, TRUE );
 
       /* Update edit only if item is in the list */
       if( !(lphc->wState & CBF_CAPTURE) && lphc->droppedIndex >= 0)
     CBUpdateEdit( lphc, lphc->droppedIndex );
   }
   else
   {
       lphc->droppedIndex = SendMessageW(lphc->hWndLBox, LB_GETCURSEL, 0, 0);
 
       SendMessageW(lphc->hWndLBox, LB_SETTOPINDEX,
                    lphc->droppedIndex == LB_ERR ? 0 : lphc->droppedIndex, 0);
       SendMessageW(lphc->hWndLBox, LB_CARETON, 0, 0);
   }
 
   /* now set popup position */
   GetWindowRect( lphc->self, &rect );
 
   /*
    * If it's a dropdown, the listbox is offset
    */
   if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
     rect.left += COMBO_EDITBUTTONSPACE();
 
  /* if the dropped height is greater than the total height of the dropped
     items list, then force the drop down list height to be the total height
     of the items in the dropped list */
 
  /* And Remove any extra space (Best Fit) */
   nDroppedHeight = lphc->droppedRect.bottom - lphc->droppedRect.top;
  /* if listbox length has been set directly by its handle */
   GetWindowRect(lphc->hWndLBox, &r);
   if (nDroppedHeight < r.bottom - r.top)
       nDroppedHeight = r.bottom - r.top;
   nItems = (int)SendMessageW(lphc->hWndLBox, LB_GETCOUNT, 0, 0);
 
   if (nItems > 0)
   {
        int nIHeight = (int)SendMessageW(lphc->hWndLBox, LB_GETITEMHEIGHT, 0, 0);
 
        if (lphc->dwStyle & CBS_NOINTEGRALHEIGHT)
        {
#ifdef __REACTOS__
            nDroppedHeight = min(nItems * nIHeight + COMBO_YBORDERSIZE(), nDroppedHeight - 1);
#else
            nDroppedHeight -= 1;
#endif
        }
        else
        {
            if (nItems > lphc->visibleItems)
                nItems = lphc->visibleItems;
            nDroppedHeight = nItems * nIHeight + COMBO_YBORDERSIZE();
        }
   }
 
   r.left = rect.left;
   r.top = rect.bottom;
   r.right = r.left + lphc->droppedRect.right - lphc->droppedRect.left;
   r.bottom = r.top + nDroppedHeight;
 
   /*If height of dropped rectangle gets beyond a screen size it should go up, otherwise down.*/
   monitor = MonitorFromRect( &rect, MONITOR_DEFAULTTOPRIMARY );
   mon_info.cbSize = sizeof(mon_info);
   GetMonitorInfoW( monitor, &mon_info );
 
   if (r.bottom > mon_info.rcWork.bottom)
   {
       r.top = max( rect.top - nDroppedHeight, mon_info.rcWork.top );
       r.bottom = min( r.top + nDroppedHeight, mon_info.rcWork.bottom );
   }
 
   SetWindowPos( lphc->hWndLBox, HWND_TOPMOST, r.left, r.top, r.right - r.left, r.bottom - r.top,
                 SWP_NOACTIVATE | SWP_SHOWWINDOW );
 
 
   if( !(lphc->wState & CBF_NOREDRAW) )
     RedrawWindow( lphc->self, NULL, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW );
 
   EnableWindow( lphc->hWndLBox, TRUE );
   if (GetCapture() != lphc->self)
      SetCapture(lphc->hWndLBox);
}

Referenced by COMBO_FlipListbox(), COMBO_LButtonDown(), COMBO_WindowProc(), and ComboWndProc_common().

CBForceDummyResize()

static void CBForceDummyResize ( LPHEADCOMBO  lphc )

static

Definition at line 282 of file combo.c.

{
  RECT windowRect;
  int newComboHeight;
 
  newComboHeight = CBGetTextAreaHeight(lphc, FALSE) + 2*COMBO_YBORDERSIZE();
 
  GetWindowRect(lphc->self, &windowRect);
 
  /*
   * We have to be careful, resizing a combobox also has the meaning that the
   * dropped rect will be resized. In this case, we want to trigger a resize
   * to recalculate layout but we don't want to change the dropped rectangle
   * So, we pass the height of text area of control as the height.
   * this will cancel-out in the processing of the WM_WINDOWPOSCHANGING
   * message.
   */
  lphc->wState |= CBF_NORESIZE;
  SetWindowPos( lphc->self,
        NULL,
        0, 0,
        windowRect.right  - windowRect.left,
        newComboHeight,
        SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE );
  lphc->wState &= ~CBF_NORESIZE;
 
  CBCalcPlacement(lphc);
  CBResetPos(lphc);
}

Referenced by COMBO_Create(), COMBO_Font(), and COMBO_SetItemHeight().

CBGetDroppedControlRect()

static void CBGetDroppedControlRect ( LPHEADCOMBO  lphc, LPRECT  lpRect  )

static

Definition at line 386 of file combo.c.

{
    /* In windows, CB_GETDROPPEDCONTROLRECT returns the upper left corner
     of the combo box and the lower right corner of the listbox */
 
    GetWindowRect(lphc->self, lpRect);
 
    lpRect->right =  lpRect->left + lphc->droppedRect.right - lphc->droppedRect.left;
    lpRect->bottom = lpRect->top + lphc->droppedRect.bottom - lphc->droppedRect.top;
 
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

CBGetTextAreaHeight()

static INT CBGetTextAreaHeight ( HEADCOMBO *  lphc, BOOL  clip_item_height  )

static

Definition at line 206 of file combo.c.

{
  INT item_height, text_height;
 
  if (clip_item_height && !CB_OWNERDRAWN(lphc))
  {
      text_height = combo_get_text_height(lphc);
      if (lphc->item_height < text_height)
          lphc->item_height = text_height;
  }
  item_height = lphc->item_height;
 
 
  /*
   * Check the ownerdraw case if we haven't asked the parent the size
   * of the item yet.
   */
  if ( CB_OWNERDRAWN(lphc) &&
       (lphc->wState & CBF_MEASUREITEM) )
  {
    MEASUREITEMSTRUCT measureItem;
    RECT              clientRect;
    INT               originalItemHeight = item_height;
    UINT id = (UINT)GetWindowLongPtrW( lphc->self, GWLP_ID );
 
    /*
     * We use the client rect for the width of the item.
     */
    GetClientRect(lphc->self, &clientRect);
 
    lphc->wState &= ~CBF_MEASUREITEM;
 
    /*
     * Send a first one to measure the size of the text area
     */
    measureItem.CtlType    = ODT_COMBOBOX;
    measureItem.CtlID      = id;
    measureItem.itemID     = -1;
    measureItem.itemWidth  = clientRect.right;
    measureItem.itemHeight = item_height - 6; /* ownerdrawn cb is taller */
    measureItem.itemData   = 0;
    SendMessageW(lphc->owner, WM_MEASUREITEM, id, (LPARAM)&measureItem);
    item_height = 6 + measureItem.itemHeight;
 
    /*
     * Send a second one in the case of a fixed ownerdraw list to calculate the
     * size of the list items. (we basically do this on behalf of the listbox)
     */
    if (lphc->dwStyle & CBS_OWNERDRAWFIXED)
    {
      measureItem.CtlType    = ODT_COMBOBOX;
      measureItem.CtlID      = id;
      measureItem.itemID     = 0;
      measureItem.itemWidth  = clientRect.right;
      measureItem.itemHeight = originalItemHeight;
      measureItem.itemData   = 0;
      SendMessageW(lphc->owner, WM_MEASUREITEM, id, (LPARAM)&measureItem);
      lphc->fixedOwnerDrawHeight = measureItem.itemHeight;
    }
 
    /*
     * Keep the size for the next time
     */
    lphc->item_height = item_height;
  }
 
  return item_height;
}

Referenced by CBCalcPlacement(), CBForceDummyResize(), COMBO_Size(), COMBO_WindowProc(), and ComboWndProc_common().

CBPaintBorder()

static void CBPaintBorder ( const HEADCOMBO *  lphc, HDC  hdc  )

static

Definition at line 750 of file combo.c.

{
  RECT clientRect;
 
  if (CB_GETTYPE(lphc) != CBS_SIMPLE)
  {
    GetClientRect(lphc->self, &clientRect);
  }
  else
  {
    clientRect = lphc->textRect;
 
    InflateRect(&clientRect, EDIT_CONTROL_PADDING(), EDIT_CONTROL_PADDING());
    InflateRect(&clientRect, COMBO_XBORDERSIZE(), COMBO_YBORDERSIZE());
  }
 
  DrawEdge(hdc, &clientRect, EDGE_SUNKEN, BF_RECT);
}

Referenced by COMBO_Paint().

CBPaintButton()

static void CBPaintButton ( HEADCOMBO *  lphc, HDC  hdc  )

static

Definition at line 559 of file combo.c.

{
    UINT buttonState = DFCS_SCROLLCOMBOBOX;
 
    if (IsRectEmpty(&lphc->buttonRect))
        return;
 
    if( lphc->wState & CBF_NOREDRAW )
      return;
 
 
    if (lphc->wState & CBF_BUTTONDOWN)
    buttonState |= DFCS_PUSHED;
 
    if (CB_DISABLED(lphc))
    buttonState |= DFCS_INACTIVE;
 
    DrawFrameControl(hdc, &lphc->buttonRect, DFC_SCROLL, buttonState);
}

Referenced by COMBO_Paint().

CBPaintText()

static void CBPaintText ( HEADCOMBO *  lphc, HDC  hdc_paint  )

static

Definition at line 629 of file combo.c.

{
   RECT rectEdit = lphc->textRect;
   INT  id, size = 0;
   LPWSTR pText = NULL;
 
   TRACE("\n");
 
   /* follow Windows combobox that sends a bunch of text
    * inquiries to its listbox while processing WM_PAINT. */
 
   if( (id = SendMessageW(lphc->hWndLBox, LB_GETCURSEL, 0, 0) ) != LB_ERR )
   {
        size = SendMessageW(lphc->hWndLBox, LB_GETTEXTLEN, id, 0);
    if (size == LB_ERR)
      FIXME("LB_ERR probably not handled yet\n");
        if ((pText = heap_alloc((size + 1) * sizeof(WCHAR))))
    {
            /* size from LB_GETTEXTLEN may be too large, from LB_GETTEXT is accurate */
           size=SendMessageW(lphc->hWndLBox, LB_GETTEXT, id, (LPARAM)pText);
        pText[size] = '\0'; /* just in case */
    } else return;
   }
 
   if( lphc->wState & CBF_EDIT )
   {
        static const WCHAR empty_stringW[] = { 0 };
    if( CB_HASSTRINGS(lphc) ) SetWindowTextW( lphc->hWndEdit, pText ? pText : empty_stringW );
    if( lphc->wState & CBF_FOCUSED )
           SendMessageW(lphc->hWndEdit, EM_SETSEL, 0, MAXLONG);
   }
   else if(!(lphc->wState & CBF_NOREDRAW) && IsWindowVisible( lphc->self ))
   {
     /* paint text field ourselves */
     HDC hdc = hdc_paint ? hdc_paint : GetDC(lphc->self);
     UINT itemState = ODS_COMBOBOXEDIT;
     HFONT hPrevFont = (lphc->hFont) ? SelectObject(hdc, lphc->hFont) : 0;
     HBRUSH hPrevBrush, hBkgBrush;
 
     /*
      * Give ourselves some space.
      */
     InflateRect( &rectEdit, -1, -1 );
 
     hBkgBrush = COMBO_PrepareColors( lphc, hdc );
     hPrevBrush = SelectObject( hdc, hBkgBrush );
     FillRect( hdc, &rectEdit, hBkgBrush );
 
     if( CB_OWNERDRAWN(lphc) )
     {
       DRAWITEMSTRUCT dis;
       HRGN           clipRegion;
       UINT ctlid = (UINT)GetWindowLongPtrW( lphc->self, GWLP_ID );
 
       /* setup state for DRAWITEM message. Owner will highlight */
       if ( (lphc->wState & CBF_FOCUSED) &&
        !(lphc->wState & CBF_DROPPED) )
       itemState |= ODS_SELECTED | ODS_FOCUS;
 
       if (!IsWindowEnabled(lphc->self)) itemState |= ODS_DISABLED;
 
       dis.CtlType  = ODT_COMBOBOX;
       dis.CtlID    = ctlid;
       dis.hwndItem = lphc->self;
       dis.itemAction   = ODA_DRAWENTIRE;
       dis.itemID   = id;
       dis.itemState    = itemState;
       dis.hDC      = hdc;
       dis.rcItem   = rectEdit;
       dis.itemData     = SendMessageW(lphc->hWndLBox, LB_GETITEMDATA, id, 0);
 
       /*
    * Clip the DC and have the parent draw the item.
    */
       clipRegion = set_control_clipping( hdc, &rectEdit );
 
       SendMessageW(lphc->owner, WM_DRAWITEM, ctlid, (LPARAM)&dis );
 
       SelectClipRgn( hdc, clipRegion );
       if (clipRegion) DeleteObject( clipRegion );
     }
     else
     {
       static const WCHAR empty_stringW[] = { 0 };
 
       if ( (lphc->wState & CBF_FOCUSED) &&
        !(lphc->wState & CBF_DROPPED) ) {
 
       /* highlight */
       FillRect( hdc, &rectEdit, GetSysColorBrush(COLOR_HIGHLIGHT) );
       SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) );
       SetTextColor( hdc, GetSysColor( COLOR_HIGHLIGHTTEXT ) );
       }
 
       ExtTextOutW( hdc,
            rectEdit.left + 1,
            rectEdit.top + 1,
            ETO_OPAQUE | ETO_CLIPPED,
            &rectEdit,
            pText ? pText : empty_stringW , size, NULL );
 
       if(lphc->wState & CBF_FOCUSED && !(lphc->wState & CBF_DROPPED))
     DrawFocusRect( hdc, &rectEdit );
     }
 
     if( hPrevFont )
       SelectObject(hdc, hPrevFont );
 
    if( hPrevBrush )
        SelectObject( hdc, hPrevBrush );
 
     if( !hdc_paint )
       ReleaseDC( lphc->self, hdc );
   }
 
    heap_free(pText);
}

Referenced by COMBO_Command(), COMBO_Paint(), COMBO_ThemedPaint(), COMBO_WindowProc(), and ComboWndProc_common().

CBRepaintButton()

static void CBRepaintButton ( LPHEADCOMBO  lphc )

static

Definition at line 1101 of file combo.c.

   {
  InvalidateRect(lphc->self, &lphc->buttonRect, TRUE);
  UpdateWindow(lphc->self);
}

Referenced by COMBO_LButtonDown(), COMBO_LButtonUp(), and COMBO_MouseMove().

CBResetPos()

static void CBResetPos ( HEADCOMBO *  combo )

static

Definition at line 1364 of file combo.c.

{
    BOOL drop = CB_GETTYPE(combo) != CBS_SIMPLE;
 
    /* NOTE: logs sometimes have WM_LBUTTONUP before a cascade of
     * sizing messages */
    if (combo->wState & CBF_EDIT)
        SetWindowPos(combo->hWndEdit, 0, combo->textRect.left, combo->textRect.top,
                combo->textRect.right - combo->textRect.left,
                combo->textRect.bottom - combo->textRect.top,
                SWP_NOZORDER | SWP_NOACTIVATE | (drop ? SWP_NOREDRAW : 0));
 
    SetWindowPos(combo->hWndLBox, 0, combo->droppedRect.left, combo->droppedRect.top,
            combo->droppedRect.right - combo->droppedRect.left,
            combo->droppedRect.bottom - combo->droppedRect.top,
            SWP_NOACTIVATE | SWP_NOZORDER | (drop ? SWP_NOREDRAW : 0));
 
    if (drop)
    {
        if (combo->wState & CBF_DROPPED)
        {
           combo->wState &= ~CBF_DROPPED;
           ShowWindow(combo->hWndLBox, SW_HIDE);
        }
 
        if (!(combo->wState & CBF_NOREDRAW))
            RedrawWindow(combo->self, NULL, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW);
    }
}

Referenced by CBForceDummyResize(), COMBO_Font(), COMBO_SetItemHeight(), and COMBO_Size().

CBRollUp()

static void CBRollUp ( LPHEADCOMBO  lphc, BOOL  ok, BOOL  bButton  )

static

Definition at line 1031 of file combo.c.

{
   HWND hWnd = lphc->self;
 
   TRACE("[%p]: sel ok? [%i] dropped? [%i]\n",
     lphc->self, ok, (INT)(lphc->wState & CBF_DROPPED));
 
   CB_NOTIFY( lphc, (ok) ? CBN_SELENDOK : CBN_SELENDCANCEL );
 
   if( IsWindow( hWnd ) && CB_GETTYPE(lphc) != CBS_SIMPLE )
   {
 
       if( lphc->wState & CBF_DROPPED )
       {
       RECT rect;
 
       lphc->wState &= ~CBF_DROPPED;
       ShowWindow( lphc->hWndLBox, SW_HIDE );
 
           if(GetCapture() == lphc->hWndLBox)
           {
               ReleaseCapture();
           }
 
       if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
       {
           rect = lphc->buttonRect;
       }
       else
           {
           if( bButton )
           {
         UnionRect( &rect,
                &lphc->buttonRect,
                &lphc->textRect);
           }
           else
         rect = lphc->textRect;
 
           bButton = TRUE;
       }
 
       if( bButton && !(lphc->wState & CBF_NOREDRAW) )
           RedrawWindow( hWnd, &rect, 0, RDW_INVALIDATE |
                   RDW_ERASE | RDW_UPDATENOW | RDW_NOCHILDREN );
       CB_NOTIFY( lphc, CBN_CLOSEUP );
       }
   }
}

Referenced by COMBO_Command(), COMBO_FlipListbox(), COMBO_KillFocus(), COMBO_LButtonDown(), COMBO_WindowProc(), and ComboWndProc_common().

CBUpdateEdit()

static void CBUpdateEdit ( LPHEADCOMBO  lphc, INT  index  )

static

Definition at line 889 of file combo.c.

{
   INT  length;
   LPWSTR pText = NULL;
   static const WCHAR empty_stringW[] = { 0 };
 
   TRACE("\t %i\n", index );
 
   if( index >= 0 ) /* got an entry */
   {
       length = SendMessageW(lphc->hWndLBox, LB_GETTEXTLEN, index, 0);
       if( length != LB_ERR)
       {
           if ((pText = heap_alloc((length + 1) * sizeof(WCHAR))))
               SendMessageW(lphc->hWndLBox, LB_GETTEXT, index, (LPARAM)pText);
       }
   }
 
   if( CB_HASSTRINGS(lphc) )
   {
      lphc->wState |= (CBF_NOEDITNOTIFY | CBF_NOLBSELECT);
      SendMessageW(lphc->hWndEdit, WM_SETTEXT, 0, pText ? (LPARAM)pText : (LPARAM)empty_stringW);
      lphc->wState &= ~(CBF_NOEDITNOTIFY | CBF_NOLBSELECT);
   }
 
   if( lphc->wState & CBF_FOCUSED )
      SendMessageW(lphc->hWndEdit, EM_SETSEL, 0, -1);
 
    heap_free( pText );
}

Referenced by CBDropDown(), COMBO_Command(), COMBO_LButtonUp(), and COMBO_SelectString().

CBUpdateLBox()

static INT CBUpdateLBox ( LPHEADCOMBO  lphc, BOOL  bSelect  )

static

Definition at line 855 of file combo.c.

{
   INT  length, idx;
   LPWSTR pText = NULL;
 
   idx = LB_ERR;
   length = SendMessageW( lphc->hWndEdit, WM_GETTEXTLENGTH, 0, 0 );
 
    if (length > 0)
        pText = heap_alloc((length + 1) * sizeof(WCHAR));
 
   TRACE("\t edit text length %i\n", length );
 
   if( pText )
   {
       GetWindowTextW( lphc->hWndEdit, pText, length + 1);
       idx = SendMessageW(lphc->hWndLBox, LB_FINDSTRING, -1, (LPARAM)pText);
       heap_free( pText );
   }
 
   SendMessageW(lphc->hWndLBox, LB_SETCURSEL, bSelect ? idx : -1, 0);
 
   /* probably superfluous but Windows sends this too */
   SendMessageW(lphc->hWndLBox, LB_SETCARETINDEX, idx < 0 ? 0 : idx, 0);
   SendMessageW(lphc->hWndLBox, LB_SETTOPINDEX, idx < 0 ? 0 : idx, 0);
 
   return idx;
}

Referenced by CBDropDown(), COMBO_Command(), COMBO_LButtonUp(), and COMBO_MouseMove().

COMBO_Command()

static LRESULT COMBO_Command ( LPHEADCOMBO  lphc, WPARAM  wParam, HWND  hWnd  )

static

Definition at line 1158 of file combo.c.

{
   if ( lphc->wState & CBF_EDIT && lphc->hWndEdit == hWnd )
   {
       /* ">> 8" makes gcc generate jump-table instead of cmp ladder */
 
       switch( HIWORD(wParam) >> 8 )
       {
       case (EN_SETFOCUS >> 8):
 
               TRACE("[%p]: edit [%p] got focus\n", lphc->self, lphc->hWndEdit );
 
        COMBO_SetFocus( lphc );
            break;
 
       case (EN_KILLFOCUS >> 8):
 
               TRACE("[%p]: edit [%p] lost focus\n", lphc->self, lphc->hWndEdit );
 
        /* NOTE: it seems that Windows' edit control sends an
         * undocumented message WM_USER + 0x1B instead of this
         * notification (only when it happens to be a part of
         * the combo). ?? - AK.
         */
 
        COMBO_KillFocus( lphc );
        break;
 
 
       case (EN_CHANGE >> 8):
           /*
            * In some circumstances (when the selection of the combobox
        * is changed for example) we don't want the EN_CHANGE notification
        * to be forwarded to the parent of the combobox. This code
        * checks a flag that is set in these occasions and ignores the
        * notification.
            */
        if (lphc->wState & CBF_NOLBSELECT)
        {
          lphc->wState &= ~CBF_NOLBSELECT;
        }
        else
        {
          CBUpdateLBox( lphc, lphc->wState & CBF_DROPPED );
        }
 
            if (!(lphc->wState & CBF_NOEDITNOTIFY))
          CB_NOTIFY( lphc, CBN_EDITCHANGE );
        break;
 
       case (EN_UPDATE >> 8):
            if (!(lphc->wState & CBF_NOEDITNOTIFY))
          CB_NOTIFY( lphc, CBN_EDITUPDATE );
        break;
 
       case (EN_ERRSPACE >> 8):
        CB_NOTIFY( lphc, CBN_ERRSPACE );
       }
   }
   else if( lphc->hWndLBox == hWnd )
   {
       switch( (short)HIWORD(wParam) )
       {
       case LBN_ERRSPACE:
        CB_NOTIFY( lphc, CBN_ERRSPACE );
        break;
 
       case LBN_DBLCLK:
        CB_NOTIFY( lphc, CBN_DBLCLK );
        break;
 
       case LBN_SELCHANGE:
       case LBN_SELCANCEL:
 
                TRACE("[%p]: lbox selection change [%x]\n", lphc->self, lphc->wState );
 
                /* do not roll up if selection is being tracked
                 * by arrow keys in the dropdown listbox */
                if (!(lphc->wState & CBF_NOROLLUP))
                {
                    CBRollUp( lphc, (HIWORD(wParam) == LBN_SELCHANGE), TRUE );
                }
                else lphc->wState &= ~CBF_NOROLLUP;
 
        CB_NOTIFY( lphc, CBN_SELCHANGE );
 
        if( HIWORD(wParam) == LBN_SELCHANGE)
        {
           if( lphc->wState & CBF_EDIT )
               lphc->wState |= CBF_NOLBSELECT;
           CBPaintText( lphc, NULL );
        }
                break;
 
       case LBN_SETFOCUS:
       case LBN_KILLFOCUS:
        /* nothing to do here since ComboLBox always resets the focus to its
         * combo/edit counterpart */
         break;
       }
   }
   return 0;
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_Create()

static LRESULT COMBO_Create ( HWND  hwnd, LPHEADCOMBO  lphc, HWND  hwndParent, LONG  style  )

static

Definition at line 401 of file combo.c.

{
  static const WCHAR clbName[] = {'C','o','m','b','o','L','B','o','x',0};
  static const WCHAR editName[] = {'E','d','i','t',0};
 
  OpenThemeData( hwnd, WC_COMBOBOXW );
  if( !CB_GETTYPE(lphc) ) lphc->dwStyle |= CBS_SIMPLE;
  if( CB_GETTYPE(lphc) != CBS_DROPDOWNLIST ) lphc->wState |= CBF_EDIT;
 
  lphc->owner = hwndParent;
 
  lphc->droppedWidth = 0;
 
  lphc->item_height = combo_get_text_height(lphc);
 
  /*
   * The first time we go through, we want to measure the ownerdraw item
   */
  lphc->wState |= CBF_MEASUREITEM;
 
  /*
   * Per default the comctl32 version of combo shows up to 30 items
   */
  lphc->visibleItems = 30;
 
  /* M$ IE 3.01 actually creates (and rapidly destroys) an ownerless combobox */
 
#ifdef __REACTOS__
  if(TRUE)
#else
  if( lphc->owner || !(style & WS_VISIBLE) )
#endif
  {
      UINT lbeStyle   = 0;
      UINT lbeExStyle = 0;
 
      /*
       * Initialize the dropped rect to the size of the client area of the
       * control and then, force all the areas of the combobox to be
       * recalculated.
       */
      GetClientRect( hwnd, &lphc->droppedRect );
      CBCalcPlacement(lphc);
 
      /*
       * Adjust the position of the popup listbox if it's necessary
       */
      if ( CB_GETTYPE(lphc) != CBS_SIMPLE )
      {
    lphc->droppedRect.top   = lphc->textRect.bottom + COMBO_YBORDERSIZE();
 
    /*
     * If it's a dropdown, the listbox is offset
     */
    if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
      lphc->droppedRect.left += COMBO_EDITBUTTONSPACE();
 
        if (lphc->droppedRect.bottom < lphc->droppedRect.top)
            lphc->droppedRect.bottom = lphc->droppedRect.top;
        if (lphc->droppedRect.right < lphc->droppedRect.left)
            lphc->droppedRect.right = lphc->droppedRect.left;
        MapWindowPoints( hwnd, 0, (LPPOINT)&lphc->droppedRect, 2 );
      }
 
      /* create listbox popup */
 
      lbeStyle = (LBS_NOTIFY | LBS_COMBOBOX | WS_BORDER | WS_CLIPSIBLINGS | WS_CHILD) |
                 (style & (WS_VSCROLL | CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE));
 
      if( lphc->dwStyle & CBS_SORT )
    lbeStyle |= LBS_SORT;
      if( lphc->dwStyle & CBS_HASSTRINGS )
    lbeStyle |= LBS_HASSTRINGS;
      if( lphc->dwStyle & CBS_NOINTEGRALHEIGHT )
    lbeStyle |= LBS_NOINTEGRALHEIGHT;
      if( lphc->dwStyle & CBS_DISABLENOSCROLL )
    lbeStyle |= LBS_DISABLENOSCROLL;
 
      if( CB_GETTYPE(lphc) == CBS_SIMPLE )  /* child listbox */
      {
    lbeStyle |= WS_VISIBLE;
 
    /*
     * In win 95 look n feel, the listbox in the simple combobox has
     * the WS_EXCLIENTEDGE style instead of the WS_BORDER style.
     */
    lbeStyle   &= ~WS_BORDER;
    lbeExStyle |= WS_EX_CLIENTEDGE;
      }
      else
      {
        lbeExStyle |= (WS_EX_TOPMOST | WS_EX_TOOLWINDOW);
      }
 
      lphc->hWndLBox = CreateWindowExW(lbeExStyle, clbName, NULL, lbeStyle,
              lphc->droppedRect.left, lphc->droppedRect.top, lphc->droppedRect.right - lphc->droppedRect.left,
              lphc->droppedRect.bottom - lphc->droppedRect.top, hwnd, (HMENU)ID_CB_LISTBOX,
              (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE ), lphc );
      if( lphc->hWndLBox )
      {
      BOOL  bEdit = TRUE;
      lbeStyle = WS_CHILD | WS_VISIBLE | ES_NOHIDESEL | ES_LEFT | ES_COMBO;
 
      if( lphc->wState & CBF_EDIT )
      {
          if( lphc->dwStyle & CBS_OEMCONVERT )
          lbeStyle |= ES_OEMCONVERT;
          if( lphc->dwStyle & CBS_AUTOHSCROLL )
          lbeStyle |= ES_AUTOHSCROLL;
          if( lphc->dwStyle & CBS_LOWERCASE )
          lbeStyle |= ES_LOWERCASE;
          else if( lphc->dwStyle & CBS_UPPERCASE )
          lbeStyle |= ES_UPPERCASE;
 
              if (!IsWindowEnabled(hwnd)) lbeStyle |= WS_DISABLED;
 
              lphc->hWndEdit = CreateWindowExW(0, editName, NULL, lbeStyle,
                                               lphc->textRect.left, lphc->textRect.top,
                                               lphc->textRect.right - lphc->textRect.left,
                                               lphc->textRect.bottom - lphc->textRect.top,
                                               hwnd, (HMENU)ID_CB_EDIT,
                                               (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE ), NULL );
          if( !lphc->hWndEdit )
        bEdit = FALSE;
      }
 
          if( bEdit )
      {
        if( CB_GETTYPE(lphc) != CBS_SIMPLE )
        {
              /* Now do the trick with parent */
          SetParent(lphc->hWndLBox, HWND_DESKTOP);
              /*
               * If the combo is a dropdown, we must resize the control
           * to fit only the text area and button. To do this,
           * we send a dummy resize and the WM_WINDOWPOSCHANGING message
           * will take care of setting the height for us.
               */
          CBForceDummyResize(lphc);
        }
 
        TRACE("init done\n");
        return 0;
      }
      ERR("edit control failure.\n");
      } else ERR("listbox failure.\n");
  } else ERR("no owner for visible combo.\n");
 
  /* CreateWindow() will send WM_NCDESTROY to cleanup */
 
  return -1;
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_FlipListbox()

BOOL COMBO_FlipListbox	(	LPHEADCOMBO	lphc,
		BOOL	ok,
		BOOL	bRedrawButton
	)

Definition at line 1086 of file combo.c.

{
   if( lphc->wState & CBF_DROPPED )
   {
       CBRollUp( lphc, ok, bRedrawButton );
       return FALSE;
   }
 
   CBDropDown( lphc );
   return TRUE;
}

Referenced by COMBO_WindowProc(), ComboWndProc_common(), LISTBOX_HandleLButtonDownCombo(), LISTBOX_WindowProc(), and ListBoxWndProc_common().

COMBO_Font()

static void COMBO_Font ( LPHEADCOMBO  lphc, HFONT  hFont, BOOL  bRedraw  )

static

Definition at line 1453 of file combo.c.

{
  lphc->hFont = hFont;
  lphc->item_height = combo_get_text_height(lphc);
 
  /*
   * Propagate to owned windows.
   */
  if( lphc->wState & CBF_EDIT )
      SendMessageW(lphc->hWndEdit, WM_SETFONT, (WPARAM)hFont, bRedraw);
  SendMessageW(lphc->hWndLBox, WM_SETFONT, (WPARAM)hFont, bRedraw);
 
  /*
   * Redo the layout of the control.
   */
  if ( CB_GETTYPE(lphc) == CBS_SIMPLE)
  {
    CBCalcPlacement(lphc);
 
    CBResetPos(lphc);
  }
  else
  {
    CBForceDummyResize(lphc);
  }
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

combo_get_text_height()

static INT combo_get_text_height ( const HEADCOMBO *  combo )

static

Definition at line 175 of file combo.c.

{
    HDC hdc = GetDC(combo->self);
    HFONT prev_font = 0;
    TEXTMETRICW tm;
 
    if (combo->hFont)
        prev_font = SelectObject(hdc, combo->hFont);
 
    GetTextMetricsW(hdc, &tm);
 
    if (prev_font)
        SelectObject(hdc, prev_font);
 
    ReleaseDC(combo->self, hdc);
 
    return tm.tmHeight + 4;
}

Referenced by CBGetTextAreaHeight(), COMBO_Create(), and COMBO_Font().

COMBO_GetComboBoxInfo()

static LRESULT COMBO_GetComboBoxInfo ( const HEADCOMBO *  lphc, COMBOBOXINFO *  pcbi  )

static

Definition at line 1649 of file combo.c.

{
    if (!pcbi || (pcbi->cbSize < sizeof(COMBOBOXINFO)))
        return FALSE;
 
    pcbi->rcItem = lphc->textRect;
    pcbi->rcButton = lphc->buttonRect;
    pcbi->stateButton = 0;
    if (lphc->wState & CBF_BUTTONDOWN)
        pcbi->stateButton |= STATE_SYSTEM_PRESSED;
    if (IsRectEmpty(&lphc->buttonRect))
        pcbi->stateButton |= STATE_SYSTEM_INVISIBLE;
    pcbi->hwndCombo = lphc->self;
    pcbi->hwndItem = lphc->hWndEdit;
    pcbi->hwndList = lphc->hWndLBox;
    return TRUE;
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_GetText()

static LRESULT COMBO_GetText ( HEADCOMBO *  lphc, INT  count, LPWSTR  buf  )

static

Definition at line 1315 of file combo.c.

{
    INT length;
 
    if( lphc->wState & CBF_EDIT )
        return SendMessageW( lphc->hWndEdit, WM_GETTEXT, count, (LPARAM)buf );
 
    /* get it from the listbox */
 
    if (!count || !buf) return 0;
    if( lphc->hWndLBox )
    {
        INT idx = SendMessageW(lphc->hWndLBox, LB_GETCURSEL, 0, 0);
        if (idx == LB_ERR) goto error;
        length = SendMessageW(lphc->hWndLBox, LB_GETTEXTLEN, idx, 0 );
        if (length == LB_ERR) goto error;
 
        /* 'length' is without the terminating character */
        if (length >= count)
        {
            WCHAR *lpBuffer = heap_alloc((length + 1) * sizeof(WCHAR));
            if (!lpBuffer) goto error;
            length = SendMessageW(lphc->hWndLBox, LB_GETTEXT, idx, (LPARAM)lpBuffer);
 
            /* truncate if buffer is too short */
            if (length != LB_ERR)
            {
                lstrcpynW( buf, lpBuffer, count );
                length = count;
            }
            heap_free( lpBuffer );
        }
        else length = SendMessageW(lphc->hWndLBox, LB_GETTEXT, idx, (LPARAM)buf);
 
        if (length == LB_ERR) return 0;
        return length;
    }
 
 error:  /* error - truncate string, return zero */
    buf[0] = 0;
    return 0;
}

Referenced by COMBO_WindowProc().

COMBO_Init()

static BOOL COMBO_Init ( void  )

static

Definition at line 89 of file combo.c.

{
  HDC       hDC;
 
  if( hComboBmp ) return TRUE;
  if( (hDC = CreateCompatibleDC(0)) )
  {
    BOOL    bRet = FALSE;
    if( (hComboBmp = LoadBitmapW(0, MAKEINTRESOURCEW(OBM_COMBO))) )
    {
      BITMAP      bm;
      HBITMAP     hPrevB;
      RECT        r;
 
      GetObjectW( hComboBmp, sizeof(bm), &bm );
      CBitHeight = bm.bmHeight;
      CBitWidth  = bm.bmWidth;
 
      TRACE("combo bitmap [%i,%i]\n", CBitWidth, CBitHeight );
 
      hPrevB = SelectObject( hDC, hComboBmp);
      SetRect( &r, 0, 0, CBitWidth, CBitHeight );
      InvertRect( hDC, &r );
      SelectObject( hDC, hPrevB );
      bRet = TRUE;
    }
    DeleteDC( hDC );
    return bRet;
  }
  return FALSE;
}

Referenced by COMBO_NCCreate().

COMBO_ItemOp()

static LRESULT COMBO_ItemOp ( LPHEADCOMBO  lphc, UINT  msg, LPARAM  lParam  )

static

Definition at line 1267 of file combo.c.

{
   HWND hWnd = lphc->self;
   UINT id = (UINT)GetWindowLongPtrW( hWnd, GWLP_ID );
 
   TRACE("[%p]: ownerdraw op %04x\n", lphc->self, msg );
 
   switch( msg )
   {
   case WM_DELETEITEM:
       {
           DELETEITEMSTRUCT *lpIS = (DELETEITEMSTRUCT *)lParam;
           lpIS->CtlType  = ODT_COMBOBOX;
           lpIS->CtlID    = id;
           lpIS->hwndItem = hWnd;
           break;
       }
   case WM_DRAWITEM:
       {
           DRAWITEMSTRUCT *lpIS = (DRAWITEMSTRUCT *)lParam;
           lpIS->CtlType  = ODT_COMBOBOX;
           lpIS->CtlID    = id;
           lpIS->hwndItem = hWnd;
           break;
       }
   case WM_COMPAREITEM:
       {
           COMPAREITEMSTRUCT *lpIS = (COMPAREITEMSTRUCT *)lParam;
           lpIS->CtlType  = ODT_COMBOBOX;
           lpIS->CtlID    = id;
           lpIS->hwndItem = hWnd;
           break;
       }
   case WM_MEASUREITEM:
       {
           MEASUREITEMSTRUCT *lpIS = (MEASUREITEMSTRUCT *)lParam;
           lpIS->CtlType  = ODT_COMBOBOX;
           lpIS->CtlID    = id;
           break;
       }
   }
   return SendMessageW(lphc->owner, msg, id, lParam);
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_KillFocus()

static void COMBO_KillFocus ( LPHEADCOMBO  lphc )

static

Definition at line 1132 of file combo.c.

{
   HWND hWnd = lphc->self;
 
   if( lphc->wState & CBF_FOCUSED )
   {
       CBRollUp( lphc, FALSE, TRUE );
       if( IsWindow( hWnd ) )
       {
           if( CB_GETTYPE(lphc) == CBS_DROPDOWNLIST )
               SendMessageW(lphc->hWndLBox, LB_CARETOFF, 0, 0);
 
       lphc->wState &= ~CBF_FOCUSED;
 
           /* redraw text */
       if( !(lphc->wState & CBF_EDIT) )
         InvalidateRect(lphc->self, &lphc->textRect, TRUE);
 
           CB_NOTIFY( lphc, CBN_KILLFOCUS );
       }
   }
}

Referenced by COMBO_Command(), COMBO_WindowProc(), and ComboWndProc_common().

COMBO_LButtonDown()

static void COMBO_LButtonDown ( LPHEADCOMBO  lphc, LPARAM  lParam  )

static

Definition at line 1537 of file combo.c.

{
   POINT     pt;
   BOOL      bButton;
   HWND      hWnd = lphc->self;
 
   pt.x = (short)LOWORD(lParam);
   pt.y = (short)HIWORD(lParam);
   bButton = PtInRect(&lphc->buttonRect, pt);
 
   if( (CB_GETTYPE(lphc) == CBS_DROPDOWNLIST) ||
       (bButton && (CB_GETTYPE(lphc) == CBS_DROPDOWN)) )
   {
       lphc->wState |= CBF_BUTTONDOWN;
       if( lphc->wState & CBF_DROPPED )
       {
       /* got a click to cancel selection */
 
           lphc->wState &= ~CBF_BUTTONDOWN;
           CBRollUp( lphc, TRUE, FALSE );
       if( !IsWindow( hWnd ) ) return;
 
           if( lphc->wState & CBF_CAPTURE )
           {
               lphc->wState &= ~CBF_CAPTURE;
               ReleaseCapture();
           }
       }
       else
       {
       /* drop down the listbox and start tracking */
 
           lphc->wState |= CBF_CAPTURE;
           SetCapture( hWnd );
           CBDropDown( lphc );
       }
       if( bButton ) CBRepaintButton( lphc );
   }
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_LButtonUp()

static void COMBO_LButtonUp ( LPHEADCOMBO  lphc )

static

Definition at line 1582 of file combo.c.

{
   if( lphc->wState & CBF_CAPTURE )
   {
       lphc->wState &= ~CBF_CAPTURE;
       if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
       {
       INT index = CBUpdateLBox( lphc, TRUE );
       /* Update edit only if item is in the list */
       if(index >= 0)
       {
           lphc->wState |= CBF_NOLBSELECT;
           CBUpdateEdit( lphc, index );
           lphc->wState &= ~CBF_NOLBSELECT;
       }
       }
       ReleaseCapture();
       SetCapture(lphc->hWndLBox);
   }
 
   if( lphc->wState & CBF_BUTTONDOWN )
   {
       lphc->wState &= ~CBF_BUTTONDOWN;
       CBRepaintButton( lphc );
   }
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_MouseMove()

static void COMBO_MouseMove ( LPHEADCOMBO  lphc, WPARAM  wParam, LPARAM  lParam  )

static

Definition at line 1615 of file combo.c.

{
   POINT  pt;
   RECT   lbRect;
 
   pt.x = (short)LOWORD(lParam);
   pt.y = (short)HIWORD(lParam);
 
   if( lphc->wState & CBF_BUTTONDOWN )
   {
     BOOL bButton;
 
     bButton = PtInRect(&lphc->buttonRect, pt);
 
     if( !bButton )
     {
       lphc->wState &= ~CBF_BUTTONDOWN;
       CBRepaintButton( lphc );
     }
   }
 
   GetClientRect( lphc->hWndLBox, &lbRect );
   MapWindowPoints( lphc->self, lphc->hWndLBox, &pt, 1 );
   if( PtInRect(&lbRect, pt) )
   {
       lphc->wState &= ~CBF_CAPTURE;
       ReleaseCapture();
       if( CB_GETTYPE(lphc) == CBS_DROPDOWN ) CBUpdateLBox( lphc, TRUE );
 
       /* hand over pointer tracking */
       SendMessageW(lphc->hWndLBox, WM_LBUTTONDOWN, wParam, lParam);
   }
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_NCCreate()

static LRESULT COMBO_NCCreate ( HWND  hwnd, LONG  style  )

static

Definition at line 124 of file combo.c.

{
    HEADCOMBO *lphc;
 
    if (COMBO_Init() && (lphc = heap_alloc_zero(sizeof(*lphc))))
    {
        lphc->self = hwnd;
        SetWindowLongPtrW( hwnd, 0, (LONG_PTR)lphc );
 
       /* some braindead apps do try to use scrollbar/border flags */
 
    lphc->dwStyle = style & ~(WS_BORDER | WS_HSCROLL | WS_VSCROLL);
        SetWindowLongW( hwnd, GWL_STYLE, style & ~(WS_BORDER | WS_HSCROLL | WS_VSCROLL) );
 
    /*
     * We also have to remove the client edge style to make sure
     * we don't end-up with a non client area.
     */
        SetWindowLongW( hwnd, GWL_EXSTYLE,
                        GetWindowLongW( hwnd, GWL_EXSTYLE ) & ~WS_EX_CLIENTEDGE );
 
    if( !(style & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) )
              lphc->dwStyle |= CBS_HASSTRINGS;
    if( !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) )
          lphc->wState |= CBF_NOTIFY;
 
        TRACE("[%p], style = %08x\n", lphc, lphc->dwStyle );
        return TRUE;
    }
    return FALSE;
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_NCDestroy()

static LRESULT COMBO_NCDestroy ( HEADCOMBO *  lphc )

static

Definition at line 159 of file combo.c.

{
    if (lphc)
    {
        TRACE("[%p]: freeing storage\n", lphc->self);
 
        if ( (CB_GETTYPE(lphc) != CBS_SIMPLE) && lphc->hWndLBox )
            DestroyWindow( lphc->hWndLBox );
 
        SetWindowLongPtrW( lphc->self, 0, 0 );
        heap_free( lphc );
    }
 
    return 0;
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_Paint()

static LRESULT COMBO_Paint ( HEADCOMBO *  lphc, HDC  hdc  )

static

Definition at line 809 of file combo.c.

{
    HBRUSH hPrevBrush, hBkgBrush;
 
    TRACE("hdc=%p\n", hdc);
 
    /*
     * Retrieve the background brush and select it in the
     * DC.
     */
    hBkgBrush = COMBO_PrepareColors(lphc, hdc);
    hPrevBrush = SelectObject(hdc, hBkgBrush);
    if (!(lphc->wState & CBF_EDIT))
        FillRect(hdc, &lphc->textRect, hBkgBrush);
 
    /*
     * In non 3.1 look, there is a sunken border on the combobox
     */
    CBPaintBorder(lphc, hdc);
 
    CBPaintButton(lphc, hdc);
 
    /* paint the edit control padding area */
    if (CB_GETTYPE(lphc) != CBS_DROPDOWNLIST)
    {
        RECT rPadEdit = lphc->textRect;
 
        InflateRect(&rPadEdit, EDIT_CONTROL_PADDING(), EDIT_CONTROL_PADDING());
 
        FrameRect(hdc, &rPadEdit, GetSysColorBrush(COLOR_WINDOW));
    }
 
    if (!(lphc->wState & CBF_EDIT))
        CBPaintText( lphc, hdc );
 
    if (hPrevBrush)
        SelectObject( hdc, hPrevBrush );
 
    return 0;
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_PrepareColors()

static HBRUSH COMBO_PrepareColors ( LPHEADCOMBO  lphc, HDC  hDC  )

static

Definition at line 587 of file combo.c.

{
    HBRUSH  hBkgBrush;
 
    /*
     * Get the background brush for this control.
     */
    if (CB_DISABLED(lphc))
    {
        hBkgBrush = (HBRUSH)SendMessageW(lphc->owner, WM_CTLCOLORSTATIC,
                (WPARAM)hDC, (LPARAM)lphc->self );
 
        /*
         * We have to change the text color since WM_CTLCOLORSTATIC will
         * set it to the "enabled" color. This is the same behavior as the
         * edit control
         */
        SetTextColor(hDC, GetSysColor(COLOR_GRAYTEXT));
    }
    else
    {
        /* FIXME: In which cases WM_CTLCOLORLISTBOX should be sent? */
        hBkgBrush = (HBRUSH)SendMessageW(lphc->owner, WM_CTLCOLOREDIT,
                (WPARAM)hDC, (LPARAM)lphc->self );
    }
 
    /*
     * Catch errors.
     */
    if( !hBkgBrush )
        hBkgBrush = GetSysColorBrush(COLOR_WINDOW);
 
    return hBkgBrush;
}

Referenced by CBPaintText(), and COMBO_Paint().

COMBO_Register()

void COMBO_Register

(

void

)

Definition at line 2124 of file combo.c.

{
    WNDCLASSW wndClass;
 
    memset(&wndClass, 0, sizeof(wndClass));
    wndClass.style = CS_PARENTDC | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
    wndClass.lpfnWndProc = COMBO_WindowProc;
    wndClass.cbClsExtra = 0;
    wndClass.cbWndExtra = sizeof(HEADCOMBO *);
    wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
    wndClass.hbrBackground = NULL;
    wndClass.lpszClassName = WC_COMBOBOXW;
    RegisterClassW(&wndClass);
}

Referenced by DllMain().

COMBO_SelectString()

static LRESULT COMBO_SelectString ( LPHEADCOMBO  lphc, INT  start, LPARAM  pText  )

static

Definition at line 1519 of file combo.c.

{
   INT index = SendMessageW(lphc->hWndLBox, LB_SELECTSTRING, start, pText);
   if( index >= 0 )
   {
     if( lphc->wState & CBF_EDIT )
       CBUpdateEdit( lphc, index );
     else
     {
       InvalidateRect(lphc->self, &lphc->textRect, TRUE);
     }
   }
   return (LRESULT)index;
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_SetFocus()

static void COMBO_SetFocus ( LPHEADCOMBO  lphc )

static

Definition at line 1110 of file combo.c.

{
   if( !(lphc->wState & CBF_FOCUSED) )
   {
       if( CB_GETTYPE(lphc) == CBS_DROPDOWNLIST )
           SendMessageW(lphc->hWndLBox, LB_CARETON, 0, 0);
 
       /* This is wrong. Message sequences seem to indicate that this
          is set *after* the notify. */
       /* lphc->wState |= CBF_FOCUSED;  */
 
       if( !(lphc->wState & CBF_EDIT) )
     InvalidateRect(lphc->self, &lphc->textRect, TRUE);
 
       CB_NOTIFY( lphc, CBN_SETFOCUS );
       lphc->wState |= CBF_FOCUSED;
   }
}

Referenced by COMBO_Command(), COMBO_WindowProc(), and ComboWndProc_common().

COMBO_SetItemHeight()

static LRESULT COMBO_SetItemHeight ( LPHEADCOMBO  lphc, INT  index, INT  height  )

static

Definition at line 1484 of file combo.c.

{
   LRESULT  lRet = CB_ERR;
 
   if( index == -1 ) /* set text field height */
   {
       if( height < 32768 )
       {
           lphc->item_height = height + 2;  /* Is the 2 for 2*EDIT_CONTROL_PADDING? */
 
     /*
      * Redo the layout of the control.
      */
     if ( CB_GETTYPE(lphc) == CBS_SIMPLE)
     {
       CBCalcPlacement(lphc);
 
       CBResetPos(lphc);
     }
     else
     {
       CBForceDummyResize(lphc);
     }
 
       lRet = height;
       }
   }
   else if ( CB_OWNERDRAWN(lphc) )  /* set listbox item height */
       lRet = SendMessageW(lphc->hWndLBox, LB_SETITEMHEIGHT, index, height);
   return lRet;
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_Size()

static void COMBO_Size ( HEADCOMBO *  lphc )

static

Definition at line 1398 of file combo.c.

{
    if (!lphc->hWndLBox || (lphc->wState & CBF_NORESIZE))
        return;
 
  /*
   * Those controls are always the same height. So we have to make sure
   * they are not resized to another value.
   */
  if( CB_GETTYPE(lphc) != CBS_SIMPLE )
  {
    int newComboHeight, curComboHeight, curComboWidth;
    RECT rc;
 
    GetWindowRect(lphc->self, &rc);
    curComboHeight = rc.bottom - rc.top;
    curComboWidth = rc.right - rc.left;
    newComboHeight = CBGetTextAreaHeight(lphc, TRUE) + 2*COMBO_YBORDERSIZE();
 
    /*
     * Resizing a combobox has another side effect, it resizes the dropped
     * rectangle as well. However, it does it only if the new height for the
     * combobox is more than the height it should have. In other words,
     * if the application resizing the combobox only had the intention to resize
     * the actual control, for example, to do the layout of a dialog that is
     * resized, the height of the dropdown is not changed.
     */
    if( curComboHeight > newComboHeight )
    {
      TRACE("oldComboHeight=%d, newComboHeight=%d, oldDropBottom=%d, oldDropTop=%d\n",
            curComboHeight, newComboHeight, lphc->droppedRect.bottom,
            lphc->droppedRect.top);
      lphc->droppedRect.bottom = lphc->droppedRect.top + curComboHeight - newComboHeight;
    }
    /*
     * Restore original height
     */
    if (curComboHeight != newComboHeight)
    {
        lphc->wState |= CBF_NORESIZE;
        SetWindowPos(lphc->self, 0, 0, 0, curComboWidth, newComboHeight,
                SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOREDRAW);
        lphc->wState &= ~CBF_NORESIZE;
    }
  }
 
  CBCalcPlacement(lphc);
 
  CBResetPos(lphc);
}

Referenced by COMBO_WindowProc(), and ComboWndProc_common().

COMBO_ThemedPaint()

static LRESULT COMBO_ThemedPaint ( HTHEME  theme, HEADCOMBO *  lphc, HDC  hdc  )

static

Definition at line 769 of file combo.c.

{
    int button_state;
    RECT frame;
 
    /* paint border */
    if (CB_GETTYPE(lphc) != CBS_SIMPLE)
        GetClientRect(lphc->self, &frame);
    else
    {
        frame = lphc->textRect;
        InflateRect(&frame, EDIT_CONTROL_PADDING(), EDIT_CONTROL_PADDING());
        InflateRect(&frame, COMBO_XBORDERSIZE(), COMBO_YBORDERSIZE());
    }
 
    DrawThemeBackground(theme, hdc, 0, IsWindowEnabled(lphc->self) ? CBXS_NORMAL : CBXS_DISABLED, &frame, NULL);
 
    /* Paint button */
    if (!IsRectEmpty(&lphc->buttonRect))
    {
        if (!IsWindowEnabled(lphc->self))
            button_state = CBXS_DISABLED;
        else if (lphc->wState & CBF_BUTTONDOWN)
            button_state = CBXS_PRESSED;
        else if (lphc->wState & CBF_HOT)
            button_state = CBXS_HOT;
        else
            button_state = CBXS_NORMAL;
        DrawThemeBackground(theme, hdc, CP_DROPDOWNBUTTON, button_state, &lphc->buttonRect, NULL);
    }
 
    if ((lphc->dwStyle & CBS_DROPDOWNLIST) == CBS_DROPDOWNLIST)
        CBPaintText(lphc, hdc);
 
    return 0;
}

Referenced by COMBO_WindowProc().

COMBO_WindowProc()

static LRESULT CALLBACK COMBO_WindowProc ( HWND  hwnd, UINT  message, WPARAM  wParam, LPARAM  lParam  )

static

Definition at line 1667 of file combo.c.

{
    HEADCOMBO *lphc = (HEADCOMBO *)GetWindowLongPtrW( hwnd, 0 );
    HTHEME theme;
 
    TRACE("[%p]: msg %#x wp %08lx lp %08lx\n", hwnd, message, wParam, lParam );
 
    if (!IsWindow(hwnd)) return 0;
 
    if (lphc || message == WM_NCCREATE)
    switch(message)
    {
    case WM_NCCREATE:
    {
        LONG style = ((CREATESTRUCTW *)lParam)->style;
        return COMBO_NCCreate(hwnd, style);
    }
 
    case WM_NCDESTROY:
        COMBO_NCDestroy(lphc);
        break;/* -> DefWindowProc */
 
    case WM_CREATE:
    {
        HWND hwndParent;
        LONG style;
 
        hwndParent = ((CREATESTRUCTW *)lParam)->hwndParent;
        style = ((CREATESTRUCTW *)lParam)->style;
        return COMBO_Create(hwnd, lphc, hwndParent, style);
    }
 
    case WM_DESTROY:
        theme = GetWindowTheme( hwnd );
        CloseThemeData( theme );
        break;
 
    case WM_THEMECHANGED:
        theme = GetWindowTheme( hwnd );
        CloseThemeData( theme );
        OpenThemeData( hwnd, WC_COMBOBOXW );
        break;
 
    case WM_PRINTCLIENT:
    case WM_PAINT:
    {
        LRESULT ret = 0;
        PAINTSTRUCT ps;
        HDC hdc;
 
        hdc = wParam ? (HDC)wParam : BeginPaint(hwnd, &ps);
 
        if (hdc && !(lphc->wState & CBF_NOREDRAW))
        {
            HTHEME theme = GetWindowTheme(hwnd);
 
            if (theme)
                ret = COMBO_ThemedPaint(theme, lphc, hdc);
            else
                ret = COMBO_Paint(lphc, hdc);
        }
 
        if (!wParam)
            EndPaint(hwnd, &ps);
 
        return ret;
    }
    case WM_ERASEBKGND:
        /* do all painting in WM_PAINT like Windows does */
        return 1;
 
    case WM_GETDLGCODE:
    {
        LRESULT result = DLGC_WANTARROWS | DLGC_WANTCHARS;
        if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN))
        {
            int vk = (int)((LPMSG)lParam)->wParam;
 
            if ((vk == VK_RETURN || vk == VK_ESCAPE) && (lphc->wState & CBF_DROPPED))
                result |= DLGC_WANTMESSAGE;
        }
        return  result;
    }
 
    case WM_SIZE:
        COMBO_Size( lphc );
        return  TRUE;
 
    case WM_SETFONT:
        COMBO_Font( lphc, (HFONT)wParam, (BOOL)lParam );
        return TRUE;
 
    case WM_GETFONT:
        return (LRESULT)lphc->hFont;
 
    case WM_SETFOCUS:
        if (lphc->wState & CBF_EDIT)
        {
            SetFocus( lphc->hWndEdit );
            /* The first time focus is received, select all the text */
            if (!(lphc->wState & CBF_BEENFOCUSED))
            {
                SendMessageW(lphc->hWndEdit, EM_SETSEL, 0, -1);
                lphc->wState |= CBF_BEENFOCUSED;
            }
        }
        else
            COMBO_SetFocus( lphc );
        return  TRUE;
 
    case WM_KILLFOCUS:
    {
        HWND hwndFocus = (HWND)wParam;
        if (!hwndFocus || (hwndFocus != lphc->hWndEdit && hwndFocus != lphc->hWndLBox))
            COMBO_KillFocus( lphc );
        return  TRUE;
    }
 
    case WM_COMMAND:
        return COMBO_Command( lphc, wParam, (HWND)lParam );
 
    case WM_GETTEXT:
        return COMBO_GetText( lphc, wParam, (LPWSTR)lParam );
 
    case WM_SETTEXT:
    case WM_GETTEXTLENGTH:
    case WM_CLEAR:
        if ((message == WM_GETTEXTLENGTH) && !ISWIN31 && !(lphc->wState & CBF_EDIT))
        {
            int j = SendMessageW(lphc->hWndLBox, LB_GETCURSEL, 0, 0);
            if (j == -1) return 0;
            return SendMessageW(lphc->hWndLBox, LB_GETTEXTLEN, j, 0);
        }
        else if ( lphc->wState & CBF_EDIT )
        {
            LRESULT ret;
            lphc->wState |= CBF_NOEDITNOTIFY;
            ret = SendMessageW(lphc->hWndEdit, message, wParam, lParam);
            lphc->wState &= ~CBF_NOEDITNOTIFY;
            return ret;
        }
        else
            return CB_ERR;
 
    case WM_CUT:
    case WM_PASTE:
    case WM_COPY:
        if (lphc->wState & CBF_EDIT)
            return SendMessageW(lphc->hWndEdit, message, wParam, lParam);
        else return  CB_ERR;
 
    case WM_DRAWITEM:
    case WM_DELETEITEM:
    case WM_COMPAREITEM:
    case WM_MEASUREITEM:
        return COMBO_ItemOp(lphc, message, lParam);
 
    case WM_ENABLE:
        if (lphc->wState & CBF_EDIT)
            EnableWindow( lphc->hWndEdit, (BOOL)wParam );
        EnableWindow( lphc->hWndLBox, (BOOL)wParam );
 
        /* Force the control to repaint when the enabled state changes. */
        InvalidateRect(lphc->self, NULL, TRUE);
        return  TRUE;
 
    case WM_SETREDRAW:
        if (wParam)
            lphc->wState &= ~CBF_NOREDRAW;
        else
            lphc->wState |= CBF_NOREDRAW;
 
        if ( lphc->wState & CBF_EDIT )
            SendMessageW(lphc->hWndEdit, message, wParam, lParam);
        SendMessageW(lphc->hWndLBox, message, wParam, lParam);
        return  0;
 
    case WM_SYSKEYDOWN:
        if ( KEYDATA_ALT & HIWORD(lParam) )
            if( wParam == VK_UP || wParam == VK_DOWN )
#ifdef __REACTOS__
            {
#endif
                COMBO_FlipListbox( lphc, FALSE, FALSE );
        return  0;
#ifdef __REACTOS__
            }
        break;
#endif
 
    case WM_KEYDOWN:
        if ((wParam == VK_RETURN || wParam == VK_ESCAPE) &&
                (lphc->wState & CBF_DROPPED))
        {
            CBRollUp( lphc, wParam == VK_RETURN, FALSE );
            return TRUE;
        }
        else if ((wParam == VK_F4) && !(lphc->wState & CBF_EUI))
        {
            COMBO_FlipListbox( lphc, FALSE, FALSE );
            return TRUE;
        }
        /* fall through */
    case WM_CHAR:
    case WM_IME_CHAR:
        {
            HWND hwndTarget;
 
#ifdef __REACTOS__
            if (lphc->wState & CBF_DROPPED)
                lphc->wState |= CBF_NOROLLUP;
#endif
            if ( lphc->wState & CBF_EDIT )
                hwndTarget = lphc->hWndEdit;
            else
                hwndTarget = lphc->hWndLBox;
 
           return SendMessageW(hwndTarget, message, wParam, lParam);
        }
 
    case WM_LBUTTONDOWN:
        if ( !(lphc->wState & CBF_FOCUSED) ) SetFocus( lphc->self );
        if ( lphc->wState & CBF_FOCUSED ) COMBO_LButtonDown( lphc, lParam );
        return  TRUE;
 
    case WM_LBUTTONUP:
        COMBO_LButtonUp( lphc );
        return  TRUE;
 
    case WM_MOUSEMOVE:
        if (!IsRectEmpty(&lphc->buttonRect))
        {
            POINT pt;
 
            pt.x = (short)LOWORD(lParam);
            pt.y = (short)HIWORD(lParam);
 
            if (PtInRect(&lphc->buttonRect, pt))
            {
                if (!(lphc->wState & CBF_HOT))
                {
                    lphc->wState |= CBF_HOT;
                    RedrawWindow(hwnd, &lphc->buttonRect, 0, RDW_INVALIDATE | RDW_UPDATENOW);
                }
            }
            else if (lphc->wState & CBF_HOT)
            {
                lphc->wState &= ~CBF_HOT;
                RedrawWindow(hwnd, &lphc->buttonRect, 0, RDW_INVALIDATE | RDW_UPDATENOW);
            }
        }
 
        if ( lphc->wState & CBF_CAPTURE )
            COMBO_MouseMove( lphc, wParam, lParam );
        return  TRUE;
 
    case WM_MOUSEWHEEL:
        if (wParam & (MK_SHIFT | MK_CONTROL))
            return DefWindowProcW(hwnd, message, wParam, lParam);
 
        if (GET_WHEEL_DELTA_WPARAM(wParam) > 0) return SendMessageW(hwnd, WM_KEYDOWN, VK_UP, 0);
        if (GET_WHEEL_DELTA_WPARAM(wParam) < 0) return SendMessageW(hwnd, WM_KEYDOWN, VK_DOWN, 0);
        return TRUE;
 
    case WM_CTLCOLOR:
    case WM_CTLCOLORMSGBOX:
    case WM_CTLCOLOREDIT:
    case WM_CTLCOLORLISTBOX:
    case WM_CTLCOLORBTN:
    case WM_CTLCOLORDLG:
    case WM_CTLCOLORSCROLLBAR:
    case WM_CTLCOLORSTATIC:
        return SendMessageW(lphc->owner, message, wParam, lParam);
 
    /* Combo messages */
    case CB_ADDSTRING:
        if (lphc->dwStyle & CBS_LOWERCASE)
            CharLowerW((LPWSTR)lParam);
        else if (lphc->dwStyle & CBS_UPPERCASE)
            CharUpperW((LPWSTR)lParam);
        return SendMessageW(lphc->hWndLBox, LB_ADDSTRING, 0, lParam);
 
    case CB_INSERTSTRING:
        if (lphc->dwStyle & CBS_LOWERCASE)
            CharLowerW((LPWSTR)lParam);
        else if (lphc->dwStyle & CBS_UPPERCASE)
            CharUpperW((LPWSTR)lParam);
        return SendMessageW(lphc->hWndLBox, LB_INSERTSTRING, wParam, lParam);
 
    case CB_DELETESTRING:
        return SendMessageW(lphc->hWndLBox, LB_DELETESTRING, wParam, 0);
 
    case CB_SELECTSTRING:
        return COMBO_SelectString(lphc, (INT)wParam, lParam);
 
    case CB_FINDSTRING:
        return SendMessageW(lphc->hWndLBox, LB_FINDSTRING, wParam, lParam);
 
    case CB_FINDSTRINGEXACT:
        return SendMessageW(lphc->hWndLBox, LB_FINDSTRINGEXACT, wParam, lParam);
 
    case CB_SETITEMHEIGHT:
        return  COMBO_SetItemHeight( lphc, (INT)wParam, (INT)lParam);
 
    case CB_GETITEMHEIGHT:
        if ((INT)wParam >= 0) /* listbox item */
            return SendMessageW(lphc->hWndLBox, LB_GETITEMHEIGHT, wParam, 0);
        return CBGetTextAreaHeight(lphc, FALSE);
 
    case CB_RESETCONTENT:
        SendMessageW(lphc->hWndLBox, LB_RESETCONTENT, 0, 0);
 
        if ((lphc->wState & CBF_EDIT) && CB_HASSTRINGS(lphc))
        {
            static const WCHAR empty_stringW[] = { 0 };
            SendMessageW(lphc->hWndEdit, WM_SETTEXT, 0, (LPARAM)empty_stringW);
        }
        else
            InvalidateRect(lphc->self, NULL, TRUE);
        return  TRUE;
 
    case CB_INITSTORAGE:
        return SendMessageW(lphc->hWndLBox, LB_INITSTORAGE, wParam, lParam);
 
    case CB_GETHORIZONTALEXTENT:
        return SendMessageW(lphc->hWndLBox, LB_GETHORIZONTALEXTENT, 0, 0);
 
    case CB_SETHORIZONTALEXTENT:
        return SendMessageW(lphc->hWndLBox, LB_SETHORIZONTALEXTENT, wParam, 0);
 
    case CB_GETTOPINDEX:
        return SendMessageW(lphc->hWndLBox, LB_GETTOPINDEX, 0, 0);
 
    case CB_GETLOCALE:
        return SendMessageW(lphc->hWndLBox, LB_GETLOCALE, 0, 0);
 
    case CB_SETLOCALE:
        return SendMessageW(lphc->hWndLBox, LB_SETLOCALE, wParam, 0);
 
    case CB_SETDROPPEDWIDTH:
        if ((CB_GETTYPE(lphc) == CBS_SIMPLE) || (INT)wParam >= 32768)
            return CB_ERR;
 
        /* new value must be higher than combobox width */
        if ((INT)wParam >= lphc->droppedRect.right - lphc->droppedRect.left)
            lphc->droppedWidth = wParam;
        else if (wParam)
            lphc->droppedWidth = 0;
 
        /* recalculate the combobox area */
        CBCalcPlacement(lphc);
 
        /* fall through */
    case CB_GETDROPPEDWIDTH:
        if (lphc->droppedWidth)
            return lphc->droppedWidth;
        return  lphc->droppedRect.right - lphc->droppedRect.left;
 
    case CB_GETDROPPEDCONTROLRECT:
        if (lParam)
            CBGetDroppedControlRect(lphc, (LPRECT)lParam );
        return  CB_OKAY;
 
    case CB_GETDROPPEDSTATE:
        return (lphc->wState & CBF_DROPPED) != 0;
 
    case CB_DIR:
        return SendMessageW(lphc->hWndLBox, LB_DIR, wParam, lParam);
 
    case CB_SHOWDROPDOWN:
        if (CB_GETTYPE(lphc) != CBS_SIMPLE)
        {
            if (wParam)
            {
                if (!(lphc->wState & CBF_DROPPED))
                    CBDropDown( lphc );
            }
            else if (lphc->wState & CBF_DROPPED)
                CBRollUp( lphc, FALSE, TRUE );
        }
        return  TRUE;
 
    case CB_GETCOUNT:
        return SendMessageW(lphc->hWndLBox, LB_GETCOUNT, 0, 0);
 
    case CB_GETCURSEL:
        return SendMessageW(lphc->hWndLBox, LB_GETCURSEL, 0, 0);
 
    case CB_SETCURSEL:
        lParam = SendMessageW(lphc->hWndLBox, LB_SETCURSEL, wParam, 0);
        if (lParam >= 0)
            SendMessageW(lphc->hWndLBox, LB_SETTOPINDEX, wParam, 0);
 
        /* no LBN_SELCHANGE in this case, update manually */
        CBPaintText(lphc, NULL);
        lphc->wState &= ~CBF_SELCHANGE;
        return lParam;
 
    case CB_GETLBTEXT:
        return SendMessageW(lphc->hWndLBox, LB_GETTEXT, wParam, lParam);
 
    case CB_GETLBTEXTLEN:
        return SendMessageW(lphc->hWndLBox, LB_GETTEXTLEN, wParam, 0);
 
    case CB_GETITEMDATA:
        return SendMessageW(lphc->hWndLBox, LB_GETITEMDATA, wParam, 0);
 
    case CB_SETITEMDATA:
        return SendMessageW(lphc->hWndLBox, LB_SETITEMDATA, wParam, lParam);
 
    case CB_GETEDITSEL:
        /* Edit checks passed parameters itself */
        if (lphc->wState & CBF_EDIT)
            return SendMessageW(lphc->hWndEdit, EM_GETSEL, wParam, lParam);
        return  CB_ERR;
 
    case CB_SETEDITSEL:
        if (lphc->wState & CBF_EDIT)
            return SendMessageW(lphc->hWndEdit, EM_SETSEL, (INT)(SHORT)LOWORD(lParam), (INT)(SHORT)HIWORD(lParam) );
        return  CB_ERR;
 
    case CB_SETEXTENDEDUI:
        if (CB_GETTYPE(lphc) == CBS_SIMPLE )
            return  CB_ERR;
        if (wParam)
            lphc->wState |= CBF_EUI;
        else
            lphc->wState &= ~CBF_EUI;
        return  CB_OKAY;
 
    case CB_GETEXTENDEDUI:
        return (lphc->wState & CBF_EUI) != 0;
 
    case CB_GETCOMBOBOXINFO:
        return COMBO_GetComboBoxInfo(lphc, (COMBOBOXINFO *)lParam);
 
    case CB_LIMITTEXT:
        if (lphc->wState & CBF_EDIT)
            return SendMessageW(lphc->hWndEdit, EM_LIMITTEXT, wParam, lParam);
        return  TRUE;
 
    case CB_GETMINVISIBLE:
        return lphc->visibleItems;
 
    case CB_SETMINVISIBLE:
        lphc->visibleItems = (INT)wParam;
        return TRUE;
 
    default:
        if (message >= WM_USER)
            WARN("unknown msg WM_USER+%04x wp=%04lx lp=%08lx\n", message - WM_USER, wParam, lParam );
        break;
    }
 
    return DefWindowProcW(hwnd, message, wParam, lParam);
}

Referenced by COMBO_Register().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

combo

)

Variable Documentation

CBitHeight

UINT CBitHeight

static

Definition at line 66 of file combo.c.

Referenced by COMBO_Init().

CBitWidth

UINT CBitWidth

static

Definition at line 66 of file combo.c.

Referenced by COMBO_Init().

hComboBmp

HBITMAP hComboBmp = 0

static

Definition at line 65 of file combo.c.

Referenced by COMBO_Init().