UI patch queue

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Merge tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

UI patch queue

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# gpg: Signature made Tue 07 Nov 2023 17:30:27 HKT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  ui: Replacing pointer in function
  ui/cocoa: add zoom-to-fit display option
  ui/gtk-egl: apply scale factor when calculating window's dimension
  ui/gtk-egl: Check EGLSurface before doing scanout
  ui/gtk: force realization of drawing area

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

qapi/ui.json

@@ -1409,13 +1409,18 @@
 #     codes match their position on non-Mac keyboards and you can use
 #     Meta/Super and Alt where you expect them.  (default: off)
 #
+# @zoom-to-fit: Zoom guest display to fit into the host window. When
+#     turned off the host window will be resized instead. Defaults to
+#     "off". (Since 8.2)
+#
 # Since: 7.0
 ##
 { 'struct': 'DisplayCocoa',
   'data': {
       '*left-command-key': 'bool',
       '*full-grab': 'bool',
-      '*swap-opt-cmd': 'bool'
+      '*swap-opt-cmd': 'bool',
+      '*zoom-to-fit': 'bool'
   } }
 
 ##

ui/cocoa.m

@@ -1247,7 +1247,6 @@ static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEven
         [normalWindow makeKeyAndOrderFront:self];
         [normalWindow center];
         [normalWindow setDelegate: self];
-        stretch_video = false;
 
         /* Used for displaying pause on the screen */
         pauseLabel = [NSTextField new];
@@ -1671,7 +1670,9 @@ static void create_initial_menus(void)
     // View menu
     menu = [[NSMenu alloc] initWithTitle:@"View"];
     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
-    [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease]];
+    menuItem = [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease];
+    [menuItem setState: stretch_video ? NSControlStateValueOn : NSControlStateValueOff];
+    [menu addItem: menuItem];
     menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
     [menuItem setSubmenu:menu];
     [[NSApp mainMenu] addItem:menuItem];
@@ -2041,18 +2042,6 @@ static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
 
     [QemuApplication sharedApplication];
 
-    create_initial_menus();
-
-    /*
-     * Create the menu entries which depend on QEMU state (for consoles
-     * and removable devices). These make calls back into QEMU functions,
-     * which is OK because at this point we know that the second thread
-     * holds the iothread lock and is synchronously waiting for us to
-     * finish.
-     */
-    add_console_menu_entries();
-    addRemovableDevicesMenuItems();
-
     // Create an Application controller
     QemuCocoaAppController *controller = [[QemuCocoaAppController alloc] init];
     [NSApp setDelegate:controller];
@@ -2077,6 +2066,21 @@ static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
         left_command_key_enabled = 0;
     }
 
+    if (opts->u.cocoa.has_zoom_to_fit && opts->u.cocoa.zoom_to_fit) {
+        stretch_video = true;
+    }
+
+    create_initial_menus();
+    /*
+     * Create the menu entries which depend on QEMU state (for consoles
+     * and removable devices). These make calls back into QEMU functions,
+     * which is OK because at this point we know that the second thread
+     * holds the iothread lock and is synchronously waiting for us to
+     * finish.
+     */
+    add_console_menu_entries();
+    addRemovableDevicesMenuItems();
+
     // register vga output callbacks
     register_displaychangelistener(&dcl);
 

ui/gtk-egl.c

@@ -69,15 +69,16 @@ void gd_egl_draw(VirtualConsole *vc)
 #ifdef CONFIG_GBM
     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
 #endif
-    int ww, wh;
+    int ww, wh, ws;
 
     if (!vc->gfx.gls) {
         return;
     }
 
     window = gtk_widget_get_window(vc->gfx.drawing_area);
-    ww = gdk_window_get_width(window);
+    ws = gdk_window_get_scale_factor(window);
-    wh = gdk_window_get_height(window);
+    ww = gdk_window_get_width(window) * ws;
+    wh = gdk_window_get_height(window) * ws;
 
     if (vc->gfx.scanout_mode) {
 #ifdef CONFIG_GBM
@@ -243,12 +244,19 @@ void gd_egl_scanout_texture(DisplayChangeListener *dcl,
     vc->gfx.h = h;
     vc->gfx.y0_top = backing_y_0_top;
 
-    eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
+    if (!vc->gfx.esurface) {
-                   vc->gfx.esurface, vc->gfx.ectx);
+        gd_egl_init(vc);
+        if (!vc->gfx.esurface) {
+            return;
+        }
 
-    gtk_egl_set_scanout_mode(vc, true);
+        eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
-    egl_fb_setup_for_tex(&vc->gfx.guest_fb, backing_width, backing_height,
+                       vc->gfx.esurface, vc->gfx.ectx);
-                         backing_id, false);
+
+        gtk_egl_set_scanout_mode(vc, true);
+        egl_fb_setup_for_tex(&vc->gfx.guest_fb, backing_width, backing_height,
+                             backing_id, false);
+    }
 }
 
 void gd_egl_scanout_dmabuf(DisplayChangeListener *dcl,
@@ -312,7 +320,7 @@ void gd_egl_scanout_flush(DisplayChangeListener *dcl,
 {
     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
     GdkWindow *window;
-    int ww, wh;
+    int ww, wh, ws;
 
     if (!vc->gfx.scanout_mode) {
         return;
@@ -325,8 +333,9 @@ void gd_egl_scanout_flush(DisplayChangeListener *dcl,
                    vc->gfx.esurface, vc->gfx.ectx);
 
     window = gtk_widget_get_window(vc->gfx.drawing_area);
-    ww = gdk_window_get_width(window);
+    ws = gdk_window_get_scale_factor(window);
-    wh = gdk_window_get_height(window);
+    ww = gdk_window_get_width(window) * ws;
+    wh = gdk_window_get_height(window) * ws;
     egl_fb_setup_default(&vc->gfx.win_fb, ww, wh);
     if (vc->gfx.cursor_fb.texture) {
         egl_texture_blit(vc->gfx.gls, &vc->gfx.win_fb, &vc->gfx.guest_fb,

ui/gtk.c

@@ -1400,7 +1400,7 @@ static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
             vc->gfx.esurface = NULL;
         }
-        if (vc->gfx.esurface) {
+        if (vc->gfx.ectx) {
             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
             vc->gfx.ectx = NULL;
         }
@@ -2371,6 +2371,7 @@ static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
     GdkDisplay *window_display;
     GtkIconTheme *theme;
     char *dir;
+    int idx;
 
     if (!gtkinit) {
         fprintf(stderr, "gtk initialization failed\n");
@@ -2434,6 +2435,15 @@ static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
 
     gtk_widget_show_all(s->window);
+
+    for (idx = 0;; idx++) {
+        QemuConsole *con = qemu_console_lookup_by_index(idx);
+        if (!con) {
+            break;
+        }
+        gtk_widget_realize(s->vc[idx].gfx.drawing_area);
+    }
+
     if (opts->u.gtk.has_show_menubar &&
         !opts->u.gtk.show_menubar) {
         gtk_widget_hide(s->menu_bar);