winemac: Move a window to the front when its Mac title bar is clicked.

dlls/winemac.drv/cocoa_app.m

@@ -2023,6 +2023,8 @@ static NSString* WineLocalizedString(unsigned int stringID)
                     [self updateCursorClippingState];
 
                     event = macdrv_create_event(eventType, window);
+                    if (eventType == WINDOW_DRAG_BEGIN)
+                        event->window_drag_begin.no_activate = [NSEvent wine_commandKeyDown];
                     [window.queue postEvent:event];
                     macdrv_release_event(event);
                 }

dlls/winemac.drv/cocoa_window.m

@@ -2236,9 +2236,10 @@ static CVReturn WineDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTi
 
                     if (draggingPhase == 2)
                     {
-                        macdrv_event* event = macdrv_create_event(WINDOW_DRAG_BEGIN, self);
-                        [queue postEvent:event];
-                        macdrv_release_event(event);
+                        macdrv_event* mevent = macdrv_create_event(WINDOW_DRAG_BEGIN, self);
+                        mevent->window_drag_begin.no_activate = [event wine_commandKeyDown];
+                        [queue postEvent:mevent];
+                        macdrv_release_event(mevent);
 
                         draggingPhase = 3;
                     }

dlls/winemac.drv/event.c

@@ -279,7 +279,7 @@ void macdrv_handle_event(const macdrv_event *event)
         macdrv_window_did_unminimize(hwnd);
         break;
     case WINDOW_DRAG_BEGIN:
-        macdrv_window_drag_begin(hwnd);
+        macdrv_window_drag_begin(hwnd, event);
         break;
     case WINDOW_DRAG_END:
         macdrv_window_drag_end(hwnd);

dlls/winemac.drv/macdrv.h

@@ -174,7 +174,7 @@ extern void macdrv_window_did_unminimize(HWND hwnd) DECLSPEC_HIDDEN;
 extern void macdrv_window_brought_forward(HWND hwnd) DECLSPEC_HIDDEN;
 extern void macdrv_window_resize_ended(HWND hwnd) DECLSPEC_HIDDEN;
 extern void macdrv_window_restore_requested(HWND hwnd, const macdrv_event *event) DECLSPEC_HIDDEN;
-extern void macdrv_window_drag_begin(HWND hwnd) DECLSPEC_HIDDEN;
+extern void macdrv_window_drag_begin(HWND hwnd, const macdrv_event *event) DECLSPEC_HIDDEN;
 extern void macdrv_window_drag_end(HWND hwnd) DECLSPEC_HIDDEN;
 extern void macdrv_reassert_window_position(HWND hwnd) DECLSPEC_HIDDEN;
 extern BOOL query_resize_size(HWND hwnd, macdrv_query *query) DECLSPEC_HIDDEN;

dlls/winemac.drv/macdrv_cocoa.h

@@ -376,6 +376,9 @@ typedef struct macdrv_event {
             macdrv_status_item  item;
         }                                           status_item_mouse_move;
         struct {
+            int no_activate;
+        }                                           window_drag_begin;
+        struct {
             CGRect  frame;
             int     fullscreen;
             int     in_resize;

dlls/winemac.drv/window.c

@@ -2482,7 +2482,7 @@ void macdrv_window_restore_requested(HWND hwnd, const macdrv_event *event)
  *
  * Handler for WINDOW_DRAG_BEGIN events.
  */
-void macdrv_window_drag_begin(HWND hwnd)
+void macdrv_window_drag_begin(HWND hwnd, const macdrv_event *event)
 {
     DWORD style = GetWindowLongW(hwnd, GWL_STYLE);
     struct macdrv_win_data *data;
@@ -2499,6 +2499,18 @@ void macdrv_window_drag_begin(HWND hwnd)
     data->being_dragged = TRUE;
     release_win_data(data);
 
+    if (!event->window_drag_begin.no_activate && can_activate_window(hwnd) && GetForegroundWindow() != hwnd)
+    {
+        /* ask whether the window wants to be activated */
+        LRESULT ma = SendMessageW(hwnd, WM_MOUSEACTIVATE, (WPARAM)GetAncestor(hwnd, GA_ROOT),
+                                  MAKELONG(HTCAPTION, WM_LBUTTONDOWN));
+        if (ma != MA_NOACTIVATEANDEAT && ma != MA_NOACTIVATE)
+        {
+            TRACE("setting foreground window to %p\n", hwnd);
+            SetForegroundWindow(hwnd);
+        }
+    }
+
     ClipCursor(NULL);
     SendMessageW(hwnd, WM_ENTERSIZEMOVE, 0, 0);
     ReleaseCapture();