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Partially repair hotspot handling.

This commit is contained in:
Dave Hawkes 2002-02-26 00:33:51 +00:00 committed by Alexandre Julliard
parent 73ab649ced
commit 770a5bfa2d
1 changed files with 29 additions and 11 deletions
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40
dlls/comctl32/imagelist.c
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@ -21,6 +21,11 @@
* ImageList_DrawIndirect. Since ImageList_DrawIndirect is still
* partially implemented, the functions mentioned above will be
* limited in functionality too.
*
* - Hotspot handling still not correct. The Hotspot passed to BeginDrag
* is the offset of the image position relative to the actual mouse pointer
* position. However the Hotspot passed to SetDragCursorImage is the
* offset of the mouse messages sent to the application...
*/
#include <stdlib.h>
@ -53,9 +58,10 @@ typedef struct
BOOL bShow;
/* saved background */
HBITMAP hbmBg;
BOOL bHSPending;
} INTERNALDRAG;
static INTERNALDRAG InternalDrag = { 0, 0, 0, 0, 0, 0, FALSE, 0 };
static INTERNALDRAG InternalDrag = { 0, 0, 0, 0, 0, 0, FALSE, 0, FALSE };
@ -747,6 +753,7 @@ ImageList_BeginDrag (HIMAGELIST himlTrack, INT iTrack,
DeleteDC (hdcDst);
InternalDrag.himl->cCurImage = 1;
InternalDrag.bHSPending = TRUE;
return TRUE;
}
@ -1071,10 +1078,16 @@ ImageList_DragEnter (HWND hwndLock, INT x, INT y)
BOOL WINAPI
ImageList_DragLeave (HWND hwndLock)
{
if (hwndLock)
/* As we don't save drag info in the window this can lead to problems if
an app does not supply the same window as DragEnter */
/* if (hwndLock)
InternalDrag.hwnd = hwndLock;
else
InternalDrag.hwnd = GetDesktopWindow ();
InternalDrag.hwnd = GetDesktopWindow (); */
if(!hwndLock)
hwndLock = GetDesktopWindow();
if(InternalDrag.hwnd != hwndLock)
FIXME("DragLeave hWnd != DragEnter hWnd\n");
ImageList_DragShowNolock (FALSE);
@ -1489,6 +1502,7 @@ ImageList_EndDrag (void)
InternalDrag.bShow = FALSE;
DeleteObject(InternalDrag.hbmBg);
InternalDrag.hbmBg = 0;
InternalDrag.bHSPending = FALSE;
return TRUE;
}
@ -2600,8 +2614,14 @@ ImageList_SetDragCursorImage (HIMAGELIST himlDrag, INT iDrag,
* dxHotspot, dyHotspot is the offset of THE Hotspot (there is only one
* hotspot) to the origin of the second image.
* See M$DN for details */
dx = InternalDrag.dxHotspot - dxHotspot;
dy = InternalDrag.dyHotspot - dyHotspot;
if(InternalDrag.bHSPending) {
dx = 0;
dy = 0;
InternalDrag.bHSPending = FALSE;
} else {
dx = InternalDrag.dxHotspot - dxHotspot;
dy = InternalDrag.dyHotspot - dyHotspot;
}
himlTemp = ImageList_Merge (InternalDrag.himl, 0, himlDrag, iDrag, dx, dy);
if (visible) {
@ -2620,12 +2640,10 @@ ImageList_SetDragCursorImage (HIMAGELIST himlDrag, INT iDrag,
/* update the InternalDragOffset, if the origin of the
* DragImage was changed by ImageList_Merge. */
if (dx > InternalDrag.dxHotspot) {
InternalDrag.dxHotspot = dx;
}
if (dy > InternalDrag.dyHotspot) {
InternalDrag.dyHotspot = dy;
}
if (dx <= 0)
InternalDrag.dxHotspot = dxHotspot;
if (dy <= 0)
InternalDrag.dyHotspot = dyHotspot;
if (visible) {
/* show the drag image */