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Fixed the height of the dropped list when there are few items in the 

list.
This commit is contained in:
Abey George 1999-07-10 11:34:01 +00:00 committed by Alexandre Julliard
parent 203780eb6e
commit 318832ea8e
1 changed files with 25 additions and 2 deletions
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27
controls/combo.c
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@ -47,6 +47,8 @@ static UINT CBitHeight, CBitWidth;
/*
* Look and feel dependant "constants"
*/
#define COMBO_YBORDERGAP 5
#define COMBO_XBORDERSIZE() ( (TWEAK_WineLook == WIN31_LOOK) ? 0 : 2 )
#define COMBO_YBORDERSIZE() ( (TWEAK_WineLook == WIN31_LOOK) ? 0 : 2 )
#define COMBO_EDITBUTTONSPACE() ( (TWEAK_WineLook == WIN31_LOOK) ? 8 : 0 )
@ -1076,6 +1078,10 @@ static void CBUpdateEdit( LPHEADCOMBO lphc , INT index )
static void CBDropDown( LPHEADCOMBO lphc )
{
RECT rect;
int nItems = 0;
int i;
int nHeight;
int nDroppedHeight;
TRACE("[%04x]: drop down\n", CB_HWND(lphc));
@ -1105,16 +1111,33 @@ static void CBDropDown( LPHEADCOMBO lphc )
/* now set popup position */
GetWindowRect( lphc->self->hwndSelf, &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 */
nDroppedHeight = lphc->droppedRect.bottom - lphc->droppedRect.top;
nItems = (int)SendMessageA (lphc->hWndLBox, LB_GETCOUNT, 0, 0);
nHeight = COMBO_YBORDERGAP;
for (i = 0; i < nItems; i++)
{
nHeight += (int)SendMessageA (lphc->hWndLBox, LB_GETITEMHEIGHT, i, 0);
if (nHeight >= nDroppedHeight)
break;
}
if (nHeight < nDroppedHeight)
nDroppedHeight = nHeight;
SetWindowPos( lphc->hWndLBox, HWND_TOP, rect.left, rect.bottom,
lphc->droppedRect.right - lphc->droppedRect.left,
lphc->droppedRect.bottom - lphc->droppedRect.top,
nDroppedHeight,
SWP_NOACTIVATE | SWP_NOREDRAW);
if( !(lphc->wState & CBF_NOREDRAW) )