gtk: support text consoles without vte, bugfixes.

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Merge remote-tracking branch 'remotes/kraxel/tags/pull-gtk-20150427-1' into staging

gtk: support text consoles without vte, bugfixes.

# gpg: Signature made Mon Apr 27 14:34:15 2015 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-gtk-20150427-1:
  gtk: Avoid accel key leakage into guest on console switch
  gtk: Fix VTE focus grabbing
  console/gtk: add qemu_console_get_label
  gtk: bind to text terminal consoles too
  gtk: handle switch_surface(NULL) properly

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

include/ui/console.h

@@ -307,6 +307,7 @@ QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
 bool qemu_console_is_visible(QemuConsole *con);
 bool qemu_console_is_graphic(QemuConsole *con);
 bool qemu_console_is_fixedsize(QemuConsole *con);
+char *qemu_console_get_label(QemuConsole *con);
 int qemu_console_get_index(QemuConsole *con);
 uint32_t qemu_console_get_head(QemuConsole *con);
 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con);

ui/console.c

@@ -1788,6 +1788,21 @@ bool qemu_console_is_fixedsize(QemuConsole *con)
     return con && (con->console_type != TEXT_CONSOLE);
 }
 
+char *qemu_console_get_label(QemuConsole *con)
+{
+    if (con->console_type == GRAPHIC_CONSOLE) {
+        if (con->device) {
+            return g_strdup(object_get_typename(con->device));
+        }
+        return g_strdup("VGA");
+    } else {
+        if (con->chr && con->chr->label) {
+            return g_strdup(con->chr->label);
+        }
+        return g_strdup_printf("vc%d", con->index);
+    }
+}
+
 int qemu_console_get_index(QemuConsole *con)
 {
     if (con == NULL) {

ui/gtk.c

@@ -170,6 +170,7 @@ typedef struct VirtualConsole {
     GtkWidget *window;
     GtkWidget *menu_item;
     GtkWidget *tab_item;
+    GtkWidget *focus;
     VirtualConsoleType type;
     union {
         VirtualGfxConsole gfx;
@@ -230,6 +231,7 @@ struct GtkDisplayState {
 
     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
     bool has_evdev;
+    bool ignore_keys;
 };
 
 static void gd_grab_pointer(VirtualConsole *vc);
@@ -290,7 +292,8 @@ static void gd_update_cursor(VirtualConsole *vc)
     GtkDisplayState *s = vc->s;
     GdkWindow *window;
 
-    if (vc->type != GD_VC_GFX) {
+    if (vc->type != GD_VC_GFX ||
+        !qemu_console_is_graphic(vc->gfx.dcl.con)) {
         return;
     }
 
@@ -363,6 +366,9 @@ static void gd_update_geometry_hints(VirtualConsole *vc)
     GtkWindow *geo_window;
 
     if (vc->type == GD_VC_GFX) {
+        if (!vc->gfx.ds) {
+            return;
+        }
         if (s->free_scale) {
             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
@@ -427,7 +433,8 @@ static void gtk_release_modifiers(GtkDisplayState *s)
     VirtualConsole *vc = gd_vc_find_current(s);
     int i, keycode;
 
-    if (vc->type != GD_VC_GFX) {
+    if (vc->type != GD_VC_GFX ||
+        !qemu_console_is_graphic(vc->gfx.dcl.con)) {
         return;
     }
     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
@@ -455,6 +462,7 @@ static void gd_update(DisplayChangeListener *dcl,
                       int x, int y, int w, int h)
 {
     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
+    GdkWindow *win;
     int x1, x2, y1, y2;
     int mx, my;
     int fbw, fbh;
@@ -481,8 +489,11 @@ static void gd_update(DisplayChangeListener *dcl,
     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 
-    gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
+    win = gtk_widget_get_window(vc->gfx.drawing_area);
-                          &ww, &wh);
+    if (!win) {
+        return;
+    }
+    gdk_drawable_get_size(win, &ww, &wh);
 
     mx = my = 0;
     if (ww > fbw) {
@@ -574,22 +585,28 @@ static void gd_switch(DisplayChangeListener *dcl,
     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
     bool resized = true;
 
-    trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
+    trace_gd_switch(vc->label,
+                    surface ? surface_width(surface)  : 0,
+                    surface ? surface_height(surface) : 0);
 
     if (vc->gfx.surface) {
         cairo_surface_destroy(vc->gfx.surface);
+        vc->gfx.surface = NULL;
+    }
+    if (vc->gfx.convert) {
+        pixman_image_unref(vc->gfx.convert);
+        vc->gfx.convert = NULL;
     }
 
-    if (vc->gfx.ds &&
+    if (vc->gfx.ds && surface &&
         surface_width(vc->gfx.ds) == surface_width(surface) &&
         surface_height(vc->gfx.ds) == surface_height(surface)) {
         resized = false;
     }
     vc->gfx.ds = surface;
 
-    if (vc->gfx.convert) {
+    if (!surface) {
-        pixman_image_unref(vc->gfx.convert);
+        return;
-        vc->gfx.convert = NULL;
     }
 
     if (surface->format == PIXMAN_x8r8g8b8) {
@@ -690,6 +707,9 @@ static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
     if (!gtk_widget_get_realized(widget)) {
         return FALSE;
     }
+    if (!vc->gfx.ds) {
+        return FALSE;
+    }
 
     fbw = surface_width(vc->gfx.ds);
     fbh = surface_height(vc->gfx.ds);
@@ -771,6 +791,10 @@ static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
     int fbh, fbw;
     int ww, wh;
 
+    if (!vc->gfx.ds) {
+        return TRUE;
+    }
+
     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 
@@ -945,6 +969,23 @@ static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
     return qemu_keycode;
 }
 
+static gboolean gd_text_key_down(GtkWidget *widget,
+                                 GdkEventKey *key, void *opaque)
+{
+    VirtualConsole *vc = opaque;
+    QemuConsole *con = vc->gfx.dcl.con;
+
+    if (key->length) {
+        kbd_put_string_console(con, key->string, key->length);
+    } else {
+        int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
+                                 key->hardware_keycode);
+        int qcode = qemu_input_key_number_to_qcode(num);
+        kbd_put_qcode_console(con, qcode);
+    }
+    return TRUE;
+}
+
 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
 {
     VirtualConsole *vc = opaque;
@@ -953,6 +994,11 @@ static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
     int qemu_keycode;
     int i;
 
+    if (s->ignore_keys) {
+        s->ignore_keys = (key->type == GDK_KEY_PRESS);
+        return TRUE;
+    }
+
     if (key->keyval == GDK_KEY_Pause) {
         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
                                         key->type == GDK_KEY_PRESS);
@@ -1021,22 +1067,26 @@ static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
     GtkDisplayState *s = opaque;
     VirtualConsole *vc = gd_vc_find_by_menu(s);
     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
-    GtkWidget *child;
     gint page;
 
     gtk_release_modifiers(s);
     if (vc) {
         page = gtk_notebook_page_num(nb, vc->tab_item);
         gtk_notebook_set_current_page(nb, page);
-        child = gtk_notebook_get_nth_page(nb, page);
+        gtk_widget_grab_focus(vc->focus);
-        gtk_widget_grab_focus(child);
     }
+    s->ignore_keys = false;
 }
 
 static void gd_accel_switch_vc(void *opaque)
 {
     VirtualConsole *vc = opaque;
+
     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
+#if !GTK_CHECK_VERSION(3, 0, 0)
+    /* GTK2 sends the accel key to the target console - ignore this until */
+    vc->s->ignore_keys = true;
+#endif
 }
 
 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
@@ -1086,7 +1136,8 @@ static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
     GtkDisplayState *s = opaque;
     VirtualConsole *vc = gd_vc_find_current(s);
 
-    if (vc->type == GD_VC_GFX) {
+    if (vc->type == GD_VC_GFX &&
+        qemu_console_is_graphic(vc->gfx.dcl.con)) {
         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
                                        FALSE);
     }
@@ -1099,11 +1150,14 @@ static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
                          G_CALLBACK(gd_tab_window_close), vc);
         gtk_widget_show_all(vc->window);
 
+        if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
             GtkAccelGroup *ag = gtk_accel_group_new();
             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
 
-        GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab), vc, NULL);
+            GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
+                                               vc, NULL);
             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
+        }
 
         gd_update_geometry_hints(vc);
         gd_update_caption(s);
@@ -1120,8 +1174,10 @@ static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
         gtk_widget_hide(s->menu_bar);
         if (vc->type == GD_VC_GFX) {
             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
-            gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
+            if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
-                                           TRUE);
+                gtk_check_menu_item_set_active
+                    (GTK_CHECK_MENU_ITEM(s->grab_item), TRUE);
+            }
         }
         gtk_window_fullscreen(GTK_WINDOW(s->window));
         s->full_screen = TRUE;
@@ -1370,7 +1426,8 @@ static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
 #endif
     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
                                    TRUE);
-    on_vga = (vc->type == GD_VC_GFX);
+    on_vga = (vc->type == GD_VC_GFX &&
+              qemu_console_is_graphic(vc->gfx.dcl.con));
     if (!on_vga) {
         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
                                        FALSE);
@@ -1542,6 +1599,7 @@ static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
 
     vc->type = GD_VC_VTE;
     vc->tab_item = box;
+    vc->focus = vc->vte.terminal;
     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
                              gtk_label_new(vc->label));
 
@@ -1577,6 +1635,7 @@ static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
     g_signal_connect(vc->gfx.drawing_area, "expose-event",
                      G_CALLBACK(gd_expose_event), vc);
 #endif
+    if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
         g_signal_connect(vc->gfx.drawing_area, "event",
                          G_CALLBACK(gd_event), vc);
         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
@@ -1596,6 +1655,10 @@ static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
                          G_CALLBACK(gd_leave_event), vc);
         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
                          G_CALLBACK(gd_focus_out_event), vc);
+    } else {
+        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
+                         G_CALLBACK(gd_text_key_down), vc);
+    }
 }
 
 static void gd_connect_signals(GtkDisplayState *s)
@@ -1679,15 +1742,7 @@ static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
                               QemuConsole *con, int idx,
                               GSList *group, GtkWidget *view_menu)
 {
-    Object *obj;
+    vc->label = qemu_console_get_label(con);
-
-    obj = object_property_get_link(OBJECT(con), "device", NULL);
-    if (obj) {
-        vc->label = g_strdup_printf("%s", object_get_typename(obj));
-    } else {
-        vc->label = g_strdup_printf("VGA");
-    }
-
     vc->s = s;
     vc->gfx.scale_x = 1.0;
     vc->gfx.scale_y = 1.0;
@@ -1706,16 +1761,17 @@ static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
 
     vc->type = GD_VC_GFX;
     vc->tab_item = vc->gfx.drawing_area;
+    vc->focus = vc->gfx.drawing_area;
     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
                              vc->tab_item, gtk_label_new(vc->label));
-    gd_connect_vc_gfx_signals(vc);
-
-    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
 
     vc->gfx.dcl.ops = &dcl_ops;
     vc->gfx.dcl.con = con;
     register_displaychangelistener(&vc->gfx.dcl);
 
+    gd_connect_vc_gfx_signals(vc);
+    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
+
     return group;
 }
 
@@ -1787,7 +1843,7 @@ static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
     /* gfx */
     for (vc = 0;; vc++) {
         con = qemu_console_lookup_by_index(vc);
-        if (!con || !qemu_console_is_graphic(con)) {
+        if (!con) {
             break;
         }
         group = gd_vc_gfx_init(s, &s->vc[vc], con,