comctl32/button: Implement BCM_{GET,SET}TEXTMARGIN message.

dlls/comctl32/button.c

@@ -29,8 +29,6 @@
  *  - WM_NCCREATE: Turns any BS_OWNERDRAW button into a BS_PUSHBUTTON button.
  *  - WM_SYSKEYUP
  *  - BCM_GETIDEALSIZE
- *  - BCM_GETTEXTMARGIN
- *  - BCM_SETTEXTMARGIN
  *
  *  Notifications
  *  - BCN_HOTITEMCHANGE
@@ -45,8 +43,6 @@
  *  Structures/Macros/Definitions
  *  - NMBCHOTITEM
  *  - Button_GetIdealSize
- *  - Button_GetTextMargin
- *  - Button_SetTextMargin
  */
 
 #include <stdarg.h>
@@ -93,6 +89,7 @@ typedef struct _BUTTON_INFO
     INT              note_length;
     DWORD            image_type; /* IMAGE_BITMAP or IMAGE_ICON */
     BUTTON_IMAGELIST imagelist;
+    RECT             text_margin;
     union
     {
         HICON   icon;
@@ -785,6 +782,26 @@ static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, L
         }
         break;
 
+    case BCM_SETTEXTMARGIN:
+    {
+        RECT *text_margin = (RECT *)lParam;
+
+        if (!text_margin) return FALSE;
+
+        infoPtr->text_margin = *text_margin;
+        return TRUE;
+    }
+
+    case BCM_GETTEXTMARGIN:
+    {
+        RECT *text_margin = (RECT *)lParam;
+
+        if (!text_margin) return FALSE;
+
+        *text_margin = infoPtr->text_margin;
+        return TRUE;
+    }
+
     case WM_NCHITTEST:
         if(btn_type == BS_GROUPBOX) return HTTRANSPARENT;
         /* fall through */

dlls/comctl32/tests/button.c

@@ -1355,6 +1355,54 @@ static void test_get_set_imagelist(void)
     }
 }
 
+static void test_get_set_textmargin(void)
+{
+    HWND hwnd;
+    RECT margin_in;
+    RECT margin_out;
+    BOOL ret;
+    DWORD type;
+
+    margin_in.top = 1;
+    margin_in.left = 2;
+    margin_in.right = 3;
+    margin_in.bottom = 4;
+    for (type = BS_PUSHBUTTON; type <= BS_DEFCOMMANDLINK; type++)
+    {
+        hwnd = create_button(type, NULL);
+        ok(hwnd != NULL, "Expect hwnd not null\n");
+
+        /* Get text margin when it is unset */
+        ret = SendMessageA(hwnd, BCM_GETTEXTMARGIN, 0, (LPARAM)&margin_out);
+        ok(ret, "Expect ret to be true\n");
+        ok(IsRectEmpty(&margin_out), "Expect margin empty\n");
+
+        /* Successful get and set text margin */
+        ret = SendMessageA(hwnd, BCM_SETTEXTMARGIN, 0, (LPARAM)&margin_in);
+        ok(ret, "Expect ret to be true\n");
+        SetRectEmpty(&margin_out);
+        ret = SendMessageA(hwnd, BCM_GETTEXTMARGIN, 0, (LPARAM)&margin_out);
+        ok(ret, "Expect ret to be true\n");
+        ok(EqualRect(&margin_in, &margin_out), "Expect margins to be equal\n");
+
+        /* BCM_SETTEXTMARGIN null pointer handling */
+        ret = SendMessageA(hwnd, BCM_SETTEXTMARGIN, 0, 0);
+        ok(!ret, "Expect ret to be false\n");
+        SetRectEmpty(&margin_out);
+        ret = SendMessageA(hwnd, BCM_GETTEXTMARGIN, 0, (LPARAM)&margin_out);
+        ok(ret, "Expect ret to be true\n");
+        ok(EqualRect(&margin_in, &margin_out), "Expect margins to be equal\n");
+
+        /* BCM_GETTEXTMARGIN null pointer handling */
+        ret = SendMessageA(hwnd, BCM_SETTEXTMARGIN, 0, (LPARAM)&margin_in);
+        ok(ret, "Expect ret to be true\n");
+        ret = SendMessageA(hwnd, BCM_GETTEXTMARGIN, 0, 0);
+        ok(!ret, "Expect ret to be true\n");
+
+        DestroyWindow(hwnd);
+    }
+}
+
 START_TEST(button)
 {
     ULONG_PTR ctx_cookie;
@@ -1374,6 +1422,7 @@ START_TEST(button)
     test_button_data();
     test_bm_get_set_image();
     test_get_set_imagelist();
+    test_get_set_textmargin();
 
     unload_v6_module(ctx_cookie, hCtx);
 }

include/commctrl.h

@@ -1104,6 +1104,10 @@ typedef struct tagNMBCHOTITEM
   (BOOL)SNDMSG(button, BCM_GETIMAGELIST, 0, (LPARAM)(image_list))
 #define Button_SetImageList(button, image_list)  \
   (BOOL)SNDMSG(button, BCM_SETIMAGELIST, 0, (LPARAM)(image_list))
+#define Button_GetTextMargin(button, margin)  \
+  (BOOL)SNDMSG(button, BCM_GETTEXTMARGIN, 0, (LPARAM)(margin))
+#define Button_SetTextMargin(button, margin)  \
+  (BOOL)SNDMSG(button, BCM_SETTEXTMARGIN, 0, (LPARAM)(margin))
 
 /* Toolbar */