Implemented ImageList_GetDragImage.
Fixed ImageList_SetDragCursorImage and ImageList_Merge.
No need for StretchBlt in ImageList_BeginDrag.
Added some traces.
diff --git a/dlls/comctl32/imagelist.c b/dlls/comctl32/imagelist.c
index 152371a..47ea3bc 100644
--- a/dlls/comctl32/imagelist.c
+++ b/dlls/comctl32/imagelist.c
@@ -41,12 +41,14 @@
/* internal image list data used for Drag & Drop operations */
static HIMAGELIST himlInternalDrag = NULL;
+/* offset of the Hotspot to the origin of the himlInternalDrag image */
static INT nInternalDragHotspotX = 0;
static INT nInternalDragHotspotY = 0;
static HWND hwndInternalDrag = 0;
-static INT xInternalPos = 0;
-static INT yInternalPos = 0;
+/* coordinates of the Hotspot relative to the window origin */
+static INT nInternalDragPosX = 0;
+static INT nInternalDragPosY = 0;
static HDC hdcBackBuffer = 0;
static HBITMAP hbmBackBuffer = 0;
@@ -703,18 +705,22 @@
INT dxHotspot, INT dyHotspot)
{
HDC hdcSrc, hdcDst;
+ INT cx, cy;
FIXME("partially implemented!\n");
+ TRACE("(himlTrack=%p iTrack=%d dx=%d dy=%d)\n", himlTrack, iTrack,
+ dxHotspot, dyHotspot);
if (himlTrack == NULL)
return FALSE;
+ cx = himlTrack->cx;
+ cy = himlTrack->cy;
+
if (himlInternalDrag)
ImageList_EndDrag ();
- himlInternalDrag =
- ImageList_Create (himlTrack->cx, himlTrack->cy,
- himlTrack->flags, 1, 1);
+ himlInternalDrag = ImageList_Create (cx, cy, himlTrack->flags, 1, 1);
if (himlInternalDrag == NULL) {
ERR("Error creating drag image list!\n");
return FALSE;
@@ -729,14 +735,12 @@
/* copy image */
SelectObject (hdcSrc, himlTrack->hbmImage);
SelectObject (hdcDst, himlInternalDrag->hbmImage);
- StretchBlt (hdcDst, 0, 0, himlInternalDrag->cx, himlInternalDrag->cy, hdcSrc,
- iTrack * himlTrack->cx, 0, himlTrack->cx, himlTrack->cy, SRCCOPY);
+ BitBlt (hdcDst, 0, 0, cx, cy, hdcSrc, iTrack * cx, 0, SRCCOPY);
/* copy mask */
SelectObject (hdcSrc, himlTrack->hbmMask);
SelectObject (hdcDst, himlInternalDrag->hbmMask);
- StretchBlt (hdcDst, 0, 0, himlInternalDrag->cx, himlInternalDrag->cy, hdcSrc,
- iTrack * himlTrack->cx, 0, himlTrack->cx, himlTrack->cy, SRCCOPY);
+ BitBlt (hdcDst, 0, 0, cx, cy, hdcSrc, iTrack * cx, 0, SRCCOPY);
DeleteDC (hdcSrc);
DeleteDC (hdcDst);
@@ -1028,6 +1032,8 @@
BOOL WINAPI
ImageList_DragEnter (HWND hwndLock, INT x, INT y)
{
+ TRACE("(hwnd=%#x x=%d y=%d)\n", hwndLock, x, y);
+
if (himlInternalDrag == NULL)
return FALSE;
@@ -1036,8 +1042,8 @@
else
hwndInternalDrag = GetDesktopWindow ();
- xInternalPos = x;
- yInternalPos = y;
+ nInternalDragPosX = x;
+ nInternalDragPosY = y;
hdcBackBuffer = CreateCompatibleDC (0);
hbmBackBuffer = CreateCompatibleBitmap (hdcBackBuffer,
@@ -1100,10 +1106,12 @@
BOOL WINAPI
ImageList_DragMove (INT x, INT y)
{
+ TRACE("(x=%d y=%d)\n", x, y);
+
ImageList_DragShowNolock (FALSE);
- xInternalPos = x;
- yInternalPos = y;
+ nInternalDragPosX = x;
+ nInternalDragPosY = y;
ImageList_DragShowNolock (TRUE);
@@ -1457,10 +1465,17 @@
HIMAGELIST WINAPI
ImageList_GetDragImage (POINT *ppt, POINT *pptHotspot)
{
- FIXME("semi-stub!\n");
-
- if (himlInternalDrag)
+ if (himlInternalDrag) {
+ if (ppt) {
+ ppt->x = nInternalDragPosX;
+ ppt->y = nInternalDragPosY;
+ }
+ if (pptHotspot) {
+ pptHotspot->x = nInternalDragHotspotX;
+ pptHotspot->y = nInternalDragHotspotY;
+ }
return (himlInternalDrag);
+ }
return NULL;
}
@@ -1834,6 +1849,9 @@
INT xOff1, yOff1, xOff2, yOff2;
INT nX1, nX2;
+ TRACE("(himl1=%p i1=%d himl2=%p i2=%d dx=%d dy=%d)\n", himl1, i1, himl2,
+ i2, dx, dy);
+
if ((himl1 == NULL) || (himl2 == NULL))
return NULL;
@@ -1918,6 +1936,7 @@
DeleteDC (hdcSrcImage);
DeleteDC (hdcDstImage);
+ himlDst->cCurImage = 1;
}
return himlDst;
@@ -2479,8 +2498,7 @@
INT dxHotspot, INT dyHotspot)
{
HIMAGELIST himlTemp;
-
- FIXME("semi-stub!\n");
+ INT dx, dy;
if (himlInternalDrag == NULL)
return FALSE;
@@ -2488,16 +2506,28 @@
TRACE(" dxH=%d dyH=%d nX=%d nY=%d\n",
dxHotspot, dyHotspot, nInternalDragHotspotX, nInternalDragHotspotY);
- himlTemp = ImageList_Merge (himlInternalDrag, 0, himlDrag, iDrag,
- dxHotspot, dyHotspot);
+ /* Calculate the offset between the origin of the old image and the
+ * origin of the second image.
+ * dxHotspot, dyHotspot is the offset of THE Hotspot (there is only one
+ * hotspot) to the origin of the second image (himlDrag).
+ * See M$DN for details */
+ dx = nInternalDragHotspotX - dxHotspot;
+ dy = nInternalDragHotspotY - dyHotspot;
+ himlTemp = ImageList_Merge (himlInternalDrag, 0, himlDrag, iDrag, dx, dy);
ImageList_Destroy (himlInternalDrag);
himlInternalDrag = himlTemp;
- nInternalDragHotspotX = dxHotspot;
- nInternalDragHotspotY = dyHotspot;
+ /* update the InternalDragOffset, if the origin of the origin of the
+ * DragImage was changed by ImageList_Merge. */
+ if (dx > nInternalDragHotspotX) {
+ nInternalDragHotspotX = dx;
+ }
+ if (dy > nInternalDragHotspotY) {
+ nInternalDragHotspotY = dy;
+ }
- return FALSE;
+ return TRUE;
}
