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Fixed a sizing bug in the combobox control.

This commit is contained in:
Francis Beaudet 1999-04-22 09:08:09 +00:00 committed by Alexandre Julliard
parent b8cde48f92
commit ab6f8616a5
1 changed files with 41 additions and 13 deletions
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54
controls/combo.c
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@ -156,17 +156,26 @@ static LRESULT COMBO_NCDestroy( LPHEADCOMBO lphc )
* of the size of the "real" control window.
*/
static void CBForceDummyResize(
HWND hwnd)
LPHEADCOMBO lphc)
{
RECT windowRect;
GetWindowRect(hwnd, &windowRect);
SetWindowPos( hwnd,
GetWindowRect(CB_HWND(lphc), &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 add the size of the dropped rectangle to the size of the control.
* this will cancel-out in the processing of the WM_WINDOWPOSCHANGING
* message.
*/
SetWindowPos( CB_HWND(lphc),
(HWND)NULL,
0, 0,
windowRect.right - windowRect.left,
windowRect.bottom- windowRect.top + 1, /* dummy value adjusted later */
windowRect.right - windowRect.left,
windowRect.bottom - windowRect.top +
lphc->droppedRect.bottom - lphc->droppedRect.top,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE );
}
@ -411,10 +420,28 @@ static LRESULT COMBO_WindowPosChanging(
* always the same height. We have to make sure they are not resized
* to another value.
*/
if ( CB_GETTYPE(lphc) != CBS_SIMPLE )
if ( ( CB_GETTYPE(lphc) != CBS_SIMPLE ) &&
((posChanging->flags & SWP_NOSIZE) == 0) )
{
posChanging->cy = CBGetTextAreaHeight(hwnd,lphc) +
int newComboHeight;
newComboHeight = CBGetTextAreaHeight(hwnd,lphc) +
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 different 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 (posChanging->cy != newComboHeight)
{
lphc->droppedRect.bottom = lphc->droppedRect.top + posChanging->cy - newComboHeight;
posChanging->cy = newComboHeight;
}
}
return 0;
@ -567,7 +594,7 @@ static LRESULT COMBO_Create( LPHEADCOMBO lphc, WND* wnd, LPARAM lParam)
*/
if( CB_GETTYPE(lphc) != CBS_SIMPLE )
{
CBForceDummyResize(CB_HWND(lphc));
CBForceDummyResize(lphc);
}
TRACE(combo,"init done\n");
@ -1054,8 +1081,9 @@ static void CBDropDown( LPHEADCOMBO lphc )
rect.left += COMBO_EDITBUTTONSPACE();
SetWindowPos( lphc->hWndLBox, HWND_TOP, rect.left, rect.bottom,
rect.right - rect.left, rect.bottom - rect.top,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOREDRAW);
lphc->droppedRect.right - lphc->droppedRect.left,
lphc->droppedRect.bottom - lphc->droppedRect.top,
SWP_NOACTIVATE | SWP_NOREDRAW);
if( !(lphc->wState & CBF_NOREDRAW) )
RedrawWindow( lphc->self->hwndSelf, NULL, 0, RDW_INVALIDATE |
@ -1477,7 +1505,7 @@ static void COMBO_Font( LPHEADCOMBO lphc, HFONT hFont, BOOL bRedraw )
}
else
{
CBForceDummyResize(CB_HWND(lphc));
CBForceDummyResize(lphc);
}
}
@ -1510,7 +1538,7 @@ static LRESULT COMBO_SetItemHeight( LPHEADCOMBO lphc, INT index, INT height )
}
else
{
CBForceDummyResize(CB_HWND(lphc));
CBForceDummyResize(lphc);
}
lRet = height;