4 files changed, 42 insertions, 27 deletions

diff --git a/ui/cocoa.m b/ui/cocoa.m
index 981615a..2935247 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -296,6 +296,14 @@ static void handleAnyDeviceErrors(Error * err)
 {
     QEMUScreen screen;
     pixman_image_t *pixman_image;
+    /* The state surrounding mouse grabbing is potentially confusing.
+     * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
+     *   pointing device an absolute-position one?"], but is only updated on
+     *   next refresh.
+     * isMouseGrabbed tracks whether GUI events are directed to the guest;
+     *   it controls whether special keys like Cmd get sent to the guest,
+     *   and whether we capture the mouse when in non-absolute mode.
+     */
     BOOL isMouseGrabbed;
     BOOL isAbsoluteEnabled;
     CFMachPortRef eventsTap;
@@ -307,17 +315,8 @@ static void handleAnyDeviceErrors(Error * err)
 - (void) handleMonitorInput:(NSEvent *)event;
 - (bool) handleEvent:(NSEvent *)event;
 - (bool) handleEventLocked:(NSEvent *)event;
-- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled;
-/* The state surrounding mouse grabbing is potentially confusing.
- * isAbsoluteEnabled tracks qemu_input_is_absolute() [ie "is the emulated
- *   pointing device an absolute-position one?"], but is only updated on
- *   next refresh.
- * isMouseGrabbed tracks whether GUI events are directed to the guest;
- *   it controls whether special keys like Cmd get sent to the guest,
- *   and whether we capture the mouse when in non-absolute mode.
- */
+- (void) notifyMouseModeChange;
 - (BOOL) isMouseGrabbed;
-- (BOOL) isAbsoluteEnabled;
 - (QEMUScreen) gscreen;
 - (void) raiseAllKeys;
 @end
@@ -404,6 +403,7 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
     qkbd_state_switch_console(kbd, con);
     dcl.con = con;
     register_displaychangelistener(&dcl);
+    [self notifyMouseModeChange];
     [self updateUIInfo];
 }
 
@@ -1109,14 +1109,26 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
     [self raiseAllButtons];
 }
 
-- (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled {
+- (void) notifyMouseModeChange {
+    bool tIsAbsoluteEnabled = bool_with_bql(^{
+        return qemu_input_is_absolute(dcl.con);
+    });
+
+    if (tIsAbsoluteEnabled == isAbsoluteEnabled) {
+        return;
+    }
+
     isAbsoluteEnabled = tIsAbsoluteEnabled;
+
     if (isMouseGrabbed) {
-        CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled);
+        if (isAbsoluteEnabled) {
+            [self ungrabMouse];
+        } else {
+            CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled);
+        }
     }
 }
 - (BOOL) isMouseGrabbed {return isMouseGrabbed;}
-- (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;}
 - (QEMUScreen) gscreen {return screen;}
 
 /*
@@ -1791,6 +1803,17 @@ static void addRemovableDevicesMenuItems(void)
     qapi_free_BlockInfoList(pointerToFree);
 }
 
+static void cocoa_mouse_mode_change_notify(Notifier *notifier, void *data)
+{
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [cocoaView notifyMouseModeChange];
+    });
+}
+
+static Notifier mouse_mode_change_notifier = {
+    .notify = cocoa_mouse_mode_change_notify
+};
+
 @interface QemuCocoaPasteboardTypeOwner : NSObject<NSPasteboardTypeOwner>
 @end
 
@@ -1975,17 +1998,6 @@ static void cocoa_refresh(DisplayChangeListener *dcl)
     COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n");
     graphic_hw_update(dcl->con);
 
-    if (qemu_input_is_absolute(dcl->con)) {
-        dispatch_async(dispatch_get_main_queue(), ^{
-            if (![cocoaView isAbsoluteEnabled]) {
-                if ([cocoaView isMouseGrabbed]) {
-                    [cocoaView ungrabMouse];
-                }
-            }
-            [cocoaView setAbsoluteEnabled:YES];
-        });
-    }
-
     if (cbchangecount != [[NSPasteboard generalPasteboard] changeCount]) {
         qemu_clipboard_info_unref(cbinfo);
         cbinfo = qemu_clipboard_info_new(&cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD);
@@ -2062,6 +2074,8 @@ static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
 
     // register vga output callbacks
     register_displaychangelistener(&dcl);
+    qemu_add_mouse_mode_change_notifier(&mouse_mode_change_notifier);
+    [cocoaView notifyMouseModeChange];
     [cocoaView updateUIInfo];
 
     qemu_event_init(&cbevent, false);
diff --git a/ui/console.c b/ui/console.c
index 1b2cd0c..e67c5da 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1510,7 +1510,8 @@ void qemu_console_resize(QemuConsole *s, int width, int height)
     assert(QEMU_IS_GRAPHIC_CONSOLE(s));
 
     if ((s->scanout.kind != SCANOUT_SURFACE ||
-         (surface && !is_buffer_shared(surface) && !is_placeholder(surface))) &&
+         (surface && surface_is_allocated(surface) &&
+                     !surface_is_placeholder(surface))) &&
         qemu_console_get_width(s, -1) == width &&
         qemu_console_get_height(s, -1) == height) {
         return;
diff --git a/ui/sdl2-2d.c b/ui/sdl2-2d.c
index 06468cd..7305238 100644
--- a/ui/sdl2-2d.c
+++ b/ui/sdl2-2d.c
@@ -72,7 +72,7 @@ void sdl2_2d_switch(DisplayChangeListener *dcl,
         scon->texture = NULL;
     }
 
-    if (is_placeholder(new_surface) && qemu_console_get_index(dcl->con)) {
+    if (surface_is_placeholder(new_surface) && qemu_console_get_index(dcl->con)) {
         sdl2_window_destroy(scon);
         return;
     }
diff --git a/ui/sdl2-gl.c b/ui/sdl2-gl.c
index 28d7966..91b7ee2 100644
--- a/ui/sdl2-gl.c
+++ b/ui/sdl2-gl.c
@@ -89,7 +89,7 @@ void sdl2_gl_switch(DisplayChangeListener *dcl,
 
     scon->surface = new_surface;
 
-    if (is_placeholder(new_surface) && qemu_console_get_index(dcl->con)) {
+    if (surface_is_placeholder(new_surface) && qemu_console_get_index(dcl->con)) {
         qemu_gl_fini_shader(scon->gls);
         scon->gls = NULL;
         sdl2_window_destroy(scon);