Test case for hotspot handling.

dlls/comctl32/tests/.cvsignore

@@ -1,4 +1,5 @@
 Makefile
 dpa.ok
+imagelist.ok
 tab.ok
 testlist.c

dlls/comctl32/tests/Makefile.in

@@ -3,10 +3,11 @@ TOPOBJDIR = ../../..
 SRCDIR    = @srcdir@
 VPATH     = @srcdir@
 TESTDLL   = comctl32.dll
-IMPORTS   = comctl32 user32
+IMPORTS   = comctl32 user32 gdi32
 
 CTESTS = \
 	dpa.c \
+	imagelist.c \
 	tab.c
 
 @MAKE_TEST_RULES@

dlls/comctl32/tests/imagelist.c

@@ -0,0 +1,110 @@
+/* Unit test suite for imagelist control.
+ *
+ * Copyright 2004 Michael Stefaniuc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <assert.h>
+#include <windows.h>
+#include <commctrl.h>
+
+#include "wine/test.h"
+
+HDC desktopDC;
+
+static HIMAGELIST createImageList(cx, cy)
+{
+    /* Create an ImageList and put an image into it */
+    HDC hdc = CreateCompatibleDC(desktopDC);
+    HIMAGELIST himl = ImageList_Create(cx, cy, ILC_COLOR, 1, 1);
+    HBITMAP hbm = CreateCompatibleBitmap(hdc, cx, cy);
+
+    SelectObject(hdc, hbm);
+    ImageList_Add(himl, hbm, NULL);
+    DeleteObject(hbm);
+    DeleteDC(hdc);
+
+    return himl;
+}
+
+static void testHotspot (void)
+{
+    struct hotspot {
+        int dx;
+        int dy;
+    };
+
+#define SIZEX1 47
+#define SIZEY1 31
+#define SIZEX2 11
+#define SIZEY2 17
+#define HOTSPOTS_MAX 4       /* Number of entries in hotspots */
+    static const struct hotspot hotspots[HOTSPOTS_MAX] = {
+        { 10, 7 },
+        { SIZEX1, SIZEY1 },
+        { -9, -8 },
+        { -7, 35 }
+    };
+    int i, j, ret;
+    HIMAGELIST himl1 = createImageList(SIZEX1, SIZEY1);
+    HIMAGELIST himl2 = createImageList(SIZEX2, SIZEY2);
+
+    for (i = 0; i < HOTSPOTS_MAX; i++) {
+        for (j = 0; j < HOTSPOTS_MAX; j++) {
+            int dx1 = hotspots[i].dx;
+            int dy1 = hotspots[i].dy;
+            int dx2 = hotspots[j].dx;
+            int dy2 = hotspots[j].dy;
+            int correctx, correcty, newx, newy;
+            HIMAGELIST himlNew;
+            POINT ppt;
+
+            ret = ImageList_BeginDrag(himl1, 0, dx1, dy1);
+            ok(ret != 0, "BeginDrag failed for { %d, %d }\n", dx1, dy1);
+            /* check merging the dragged image with a second image */
+            ret = ImageList_SetDragCursorImage(himl2, 0, dx2, dy2);
+            ok(ret != 0, "SetDragCursorImage failed for {%d, %d}{%d, %d}\n",
+                    dx1, dy1, dx2, dy2);
+            /* check new hotspot, it should be the same like the old one */
+            himlNew = ImageList_GetDragImage(NULL, &ppt);
+            ok(ppt.x == dx1 && ppt.y == dy1,
+                    "Expected drag hotspot [%d,%d] got [%ld,%ld]\n",
+                    dx1, dy1, ppt.x, ppt.y);
+            /* check size of new dragged image */
+            ImageList_GetIconSize(himlNew, &newx, &newy);
+            correctx = max(SIZEX1, max(SIZEX2 + dx2, SIZEX1 - dx2));
+            correcty = max(SIZEY1, max(SIZEY2 + dy2, SIZEY1 - dy2));
+            ok(newx == correctx && newy == correcty,
+                    "Expected drag image size [%d,%d] got [%d,%d]\n",
+                    correctx, correcty, newx, newy);
+            ImageList_EndDrag();
+        }
+    }
+#undef SIZEX1
+#undef SIZEY1
+#undef SIZEX2
+#undef SIZEY2
+#undef HOTSPOTS_MAX
+}
+
+START_TEST(imagelist)
+{
+    desktopDC=GetDC(NULL);
+
+    InitCommonControls();
+
+    testHotspot();
+}