xref: /openbmc/qemu/ui/gtk.c (revision 9f2d175d)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  *
12  * Portions from gtk-vnc:
13  *
14  * GTK VNC Widget
15  *
16  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
18  *
19  * This library is free software; you can redistribute it and/or
20  * modify it under the terms of the GNU Lesser General Public
21  * License as published by the Free Software Foundation; either
22  * version 2.0 of the License, or (at your option) any later version.
23  *
24  * This library is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27  * Lesser General Public License for more details.
28  *
29  * You should have received a copy of the GNU Lesser General Public
30  * License along with this library; if not, write to the Free Software
31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
32  */
33 
34 #define GETTEXT_PACKAGE "qemu"
35 #define LOCALEDIR "po"
36 
37 #include "qemu/osdep.h"
38 #include "qemu-common.h"
39 #include "qapi/error.h"
40 #include "qapi/qapi-commands-misc.h"
41 #include "qemu/cutils.h"
42 
43 #include "ui/console.h"
44 #include "ui/gtk.h"
45 
46 #include <glib/gi18n.h>
47 #include <locale.h>
48 #if defined(CONFIG_VTE)
49 #include <vte/vte.h>
50 #endif
51 #include <math.h>
52 
53 #include "trace.h"
54 #include "ui/input.h"
55 #include "sysemu/sysemu.h"
56 #include "keymaps.h"
57 #include "chardev/char.h"
58 #include "qom/object.h"
59 
60 #define MAX_VCS 10
61 #define VC_WINDOW_X_MIN  320
62 #define VC_WINDOW_Y_MIN  240
63 #define VC_TERM_X_MIN     80
64 #define VC_TERM_Y_MIN     25
65 #define VC_SCALE_MIN    0.25
66 #define VC_SCALE_STEP   0.25
67 
68 #ifdef GDK_WINDOWING_X11
69 #include "ui/x_keymap.h"
70 
71 /* Gtk2 compat */
72 #ifndef GDK_IS_X11_DISPLAY
73 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
74 #endif
75 #endif
76 
77 
78 #ifdef GDK_WINDOWING_WAYLAND
79 /* Gtk2 compat */
80 #ifndef GDK_IS_WAYLAND_DISPLAY
81 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
82 #endif
83 #endif
84 
85 
86 #ifdef GDK_WINDOWING_WIN32
87 /* Gtk2 compat */
88 #ifndef GDK_IS_WIN32_DISPLAY
89 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
90 #endif
91 #endif
92 
93 
94 #ifdef GDK_WINDOWING_BROADWAY
95 /* Gtk2 compat */
96 #ifndef GDK_IS_BROADWAY_DISPLAY
97 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
98 #endif
99 #endif
100 
101 
102 #ifdef GDK_WINDOWING_QUARTZ
103 /* Gtk2 compat */
104 #ifndef GDK_IS_QUARTZ_DISPLAY
105 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
106 #endif
107 #endif
108 
109 
110 #if !defined(CONFIG_VTE)
111 # define VTE_CHECK_VERSION(a, b, c) 0
112 #endif
113 
114 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
115 /*
116  * The gtk2 vte terminal widget seriously messes up the window resize
117  * for some reason.  You basically can't make the qemu window smaller
118  * any more because the toplevel window geoemtry hints are overridden.
119  *
120  * Workaround that by hiding all vte widgets, except the one in the
121  * current tab.
122  *
123  * Luckily everything works smooth in gtk3.
124  */
125 # define VTE_RESIZE_HACK 1
126 #endif
127 
128 #if !GTK_CHECK_VERSION(2, 20, 0)
129 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
130 #endif
131 
132 #ifndef GDK_IS_X11_DISPLAY
133 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
134 #endif
135 #ifndef GDK_IS_WAYLAND_DISPLAY
136 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy == dpy)
137 #endif
138 #ifndef GDK_IS_WIN32_DISPLAY
139 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
140 #endif
141 
142 #if !GTK_CHECK_VERSION(2, 22, 0)
143 #define GDK_KEY_0 GDK_0
144 #define GDK_KEY_1 GDK_1
145 #define GDK_KEY_2 GDK_2
146 #define GDK_KEY_f GDK_f
147 #define GDK_KEY_g GDK_g
148 #define GDK_KEY_q GDK_q
149 #define GDK_KEY_plus GDK_plus
150 #define GDK_KEY_equal GDK_equal
151 #define GDK_KEY_minus GDK_minus
152 #define GDK_KEY_Pause GDK_Pause
153 #define GDK_KEY_Delete GDK_Delete
154 #endif
155 
156 /* Some older mingw versions lack this constant or have
157  * it conditionally defined */
158 #ifdef _WIN32
159 # ifndef MAPVK_VK_TO_VSC
160 #  define MAPVK_VK_TO_VSC 0
161 # endif
162 #endif
163 
164 
165 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
166 
167 static const int modifier_keycode[] = {
168     Q_KEY_CODE_SHIFT,
169     Q_KEY_CODE_SHIFT_R,
170     Q_KEY_CODE_CTRL,
171     Q_KEY_CODE_CTRL_R,
172     Q_KEY_CODE_ALT,
173     Q_KEY_CODE_ALT_R,
174     Q_KEY_CODE_META_L,
175     Q_KEY_CODE_META_R,
176 };
177 
178 static const guint16 *keycode_map;
179 static size_t keycode_maplen;
180 
181 struct GtkDisplayState {
182     GtkWidget *window;
183 
184     GtkWidget *menu_bar;
185 
186     GtkAccelGroup *accel_group;
187 
188     GtkWidget *machine_menu_item;
189     GtkWidget *machine_menu;
190     GtkWidget *pause_item;
191     GtkWidget *reset_item;
192     GtkWidget *powerdown_item;
193     GtkWidget *quit_item;
194 
195     GtkWidget *view_menu_item;
196     GtkWidget *view_menu;
197     GtkWidget *full_screen_item;
198     GtkWidget *copy_item;
199     GtkWidget *zoom_in_item;
200     GtkWidget *zoom_out_item;
201     GtkWidget *zoom_fixed_item;
202     GtkWidget *zoom_fit_item;
203     GtkWidget *grab_item;
204     GtkWidget *grab_on_hover_item;
205 
206     int nb_vcs;
207     VirtualConsole vc[MAX_VCS];
208 
209     GtkWidget *show_tabs_item;
210     GtkWidget *untabify_item;
211 
212     GtkWidget *vbox;
213     GtkWidget *notebook;
214     int button_mask;
215     gboolean last_set;
216     int last_x;
217     int last_y;
218     int grab_x_root;
219     int grab_y_root;
220     VirtualConsole *kbd_owner;
221     VirtualConsole *ptr_owner;
222 
223     gboolean full_screen;
224 
225     GdkCursor *null_cursor;
226     Notifier mouse_mode_notifier;
227     gboolean free_scale;
228 
229     bool external_pause_update;
230 
231     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
232     bool ignore_keys;
233 
234     DisplayOptions *opts;
235 };
236 
237 typedef struct VCChardev {
238     Chardev parent;
239     VirtualConsole *console;
240     bool echo;
241 } VCChardev;
242 
243 #define TYPE_CHARDEV_VC "chardev-vc"
244 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
245 
246 bool gtk_use_gl_area;
247 
248 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
249 static void gd_ungrab_pointer(GtkDisplayState *s);
250 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
251 static void gd_ungrab_keyboard(GtkDisplayState *s);
252 
253 /** Utility Functions **/
254 
255 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
256 {
257     VirtualConsole *vc;
258     gint i;
259 
260     for (i = 0; i < s->nb_vcs; i++) {
261         vc = &s->vc[i];
262         if (gtk_check_menu_item_get_active
263             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
264             return vc;
265         }
266     }
267     return NULL;
268 }
269 
270 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
271 {
272     VirtualConsole *vc;
273     gint i, p;
274 
275     for (i = 0; i < s->nb_vcs; i++) {
276         vc = &s->vc[i];
277         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
278         if (p == page) {
279             return vc;
280         }
281     }
282     return NULL;
283 }
284 
285 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
286 {
287     gint page;
288 
289     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
290     return gd_vc_find_by_page(s, page);
291 }
292 
293 static bool gd_is_grab_active(GtkDisplayState *s)
294 {
295     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
296 }
297 
298 static bool gd_grab_on_hover(GtkDisplayState *s)
299 {
300     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
301 }
302 
303 static void gd_update_cursor(VirtualConsole *vc)
304 {
305     GtkDisplayState *s = vc->s;
306     GdkWindow *window;
307 
308     if (vc->type != GD_VC_GFX ||
309         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
310         return;
311     }
312 
313     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
314         return;
315     }
316 
317     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
318     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
319         gdk_window_set_cursor(window, s->null_cursor);
320     } else {
321         gdk_window_set_cursor(window, NULL);
322     }
323 }
324 
325 static void gd_update_caption(GtkDisplayState *s)
326 {
327     const char *status = "";
328     gchar *prefix;
329     gchar *title;
330     const char *grab = "";
331     bool is_paused = !runstate_is_running();
332     int i;
333 
334     if (qemu_name) {
335         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
336     } else {
337         prefix = g_strdup_printf("QEMU");
338     }
339 
340     if (s->ptr_owner != NULL &&
341         s->ptr_owner->window == NULL) {
342         grab = _(" - Press Ctrl+Alt+G to release grab");
343     }
344 
345     if (is_paused) {
346         status = _(" [Paused]");
347     }
348     s->external_pause_update = true;
349     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
350                                    is_paused);
351     s->external_pause_update = false;
352 
353     title = g_strdup_printf("%s%s%s", prefix, status, grab);
354     gtk_window_set_title(GTK_WINDOW(s->window), title);
355     g_free(title);
356 
357     for (i = 0; i < s->nb_vcs; i++) {
358         VirtualConsole *vc = &s->vc[i];
359 
360         if (!vc->window) {
361             continue;
362         }
363         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
364                                 vc == s->kbd_owner ? " +kbd" : "",
365                                 vc == s->ptr_owner ? " +ptr" : "");
366         gtk_window_set_title(GTK_WINDOW(vc->window), title);
367         g_free(title);
368     }
369 
370     g_free(prefix);
371 }
372 
373 static void gd_update_geometry_hints(VirtualConsole *vc)
374 {
375     GtkDisplayState *s = vc->s;
376     GdkWindowHints mask = 0;
377     GdkGeometry geo = {};
378     GtkWidget *geo_widget = NULL;
379     GtkWindow *geo_window;
380 
381     if (vc->type == GD_VC_GFX) {
382         if (!vc->gfx.ds) {
383             return;
384         }
385         if (s->free_scale) {
386             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
387             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
388             mask |= GDK_HINT_MIN_SIZE;
389         } else {
390             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
391             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
392             mask |= GDK_HINT_MIN_SIZE;
393         }
394         geo_widget = vc->gfx.drawing_area;
395         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
396 
397 #if defined(CONFIG_VTE)
398     } else if (vc->type == GD_VC_VTE) {
399         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
400         GtkBorder padding = { 0 };
401 
402 #if VTE_CHECK_VERSION(0, 37, 0)
403         gtk_style_context_get_padding(
404                 gtk_widget_get_style_context(vc->vte.terminal),
405                 gtk_widget_get_state_flags(vc->vte.terminal),
406                 &padding);
407 #else
408         {
409             GtkBorder *ib = NULL;
410             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
411             if (ib) {
412                 padding = *ib;
413                 gtk_border_free(ib);
414             }
415         }
416 #endif
417 
418         geo.width_inc  = vte_terminal_get_char_width(term);
419         geo.height_inc = vte_terminal_get_char_height(term);
420         mask |= GDK_HINT_RESIZE_INC;
421         geo.base_width  = geo.width_inc;
422         geo.base_height = geo.height_inc;
423         mask |= GDK_HINT_BASE_SIZE;
424         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
425         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
426         mask |= GDK_HINT_MIN_SIZE;
427 
428         geo.base_width  += padding.left + padding.right;
429         geo.base_height += padding.top + padding.bottom;
430         geo.min_width   += padding.left + padding.right;
431         geo.min_height  += padding.top + padding.bottom;
432         geo_widget = vc->vte.terminal;
433 #endif
434     }
435 
436     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
437     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
438 }
439 
440 void gd_update_windowsize(VirtualConsole *vc)
441 {
442     GtkDisplayState *s = vc->s;
443 
444     gd_update_geometry_hints(vc);
445 
446     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
447         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
448                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
449     }
450 }
451 
452 static void gd_update_full_redraw(VirtualConsole *vc)
453 {
454     GtkWidget *area = vc->gfx.drawing_area;
455     int ww, wh;
456     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
457 #if defined(CONFIG_GTK_GL)
458     if (vc->gfx.gls && gtk_use_gl_area) {
459         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
460         return;
461     }
462 #endif
463     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
464 }
465 
466 static void gtk_release_modifiers(GtkDisplayState *s)
467 {
468     VirtualConsole *vc = gd_vc_find_current(s);
469     int i, qcode;
470 
471     if (vc->type != GD_VC_GFX ||
472         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
473         return;
474     }
475     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
476         qcode = modifier_keycode[i];
477         if (!s->modifier_pressed[i]) {
478             continue;
479         }
480         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode, false);
481         s->modifier_pressed[i] = false;
482     }
483 }
484 
485 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
486                                GtkWidget *widget)
487 {
488     g_object_ref(G_OBJECT(widget));
489     gtk_container_remove(GTK_CONTAINER(from), widget);
490     gtk_container_add(GTK_CONTAINER(to), widget);
491     g_object_unref(G_OBJECT(widget));
492 }
493 
494 /** DisplayState Callbacks **/
495 
496 static void gd_update(DisplayChangeListener *dcl,
497                       int x, int y, int w, int h)
498 {
499     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
500     GdkWindow *win;
501     int x1, x2, y1, y2;
502     int mx, my;
503     int fbw, fbh;
504     int ww, wh;
505 
506     trace_gd_update(vc->label, x, y, w, h);
507 
508     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
509         return;
510     }
511 
512     if (vc->gfx.convert) {
513         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
514                                NULL, vc->gfx.convert,
515                                x, y, 0, 0, x, y, w, h);
516     }
517 
518     x1 = floor(x * vc->gfx.scale_x);
519     y1 = floor(y * vc->gfx.scale_y);
520 
521     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
522     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
523 
524     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
525     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
526 
527     win = gtk_widget_get_window(vc->gfx.drawing_area);
528     if (!win) {
529         return;
530     }
531     gdk_drawable_get_size(win, &ww, &wh);
532 
533     mx = my = 0;
534     if (ww > fbw) {
535         mx = (ww - fbw) / 2;
536     }
537     if (wh > fbh) {
538         my = (wh - fbh) / 2;
539     }
540 
541     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
542                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
543 }
544 
545 static void gd_refresh(DisplayChangeListener *dcl)
546 {
547     graphic_hw_update(dcl->con);
548 }
549 
550 #if GTK_CHECK_VERSION(3, 0, 0)
551 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
552 {
553 #if GTK_CHECK_VERSION(3, 20, 0)
554     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
555 #else
556     return gdk_device_manager_get_client_pointer(
557         gdk_display_get_device_manager(dpy));
558 #endif
559 }
560 
561 static void gd_mouse_set(DisplayChangeListener *dcl,
562                          int x, int y, int visible)
563 {
564     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
565     GdkDisplay *dpy;
566     gint x_root, y_root;
567 
568     if (qemu_input_is_absolute()) {
569         return;
570     }
571 
572     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
573     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
574                                x, y, &x_root, &y_root);
575     gdk_device_warp(gd_get_pointer(dpy),
576                     gtk_widget_get_screen(vc->gfx.drawing_area),
577                     x_root, y_root);
578     vc->s->last_x = x;
579     vc->s->last_y = y;
580 }
581 #else
582 static void gd_mouse_set(DisplayChangeListener *dcl,
583                          int x, int y, int visible)
584 {
585     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
586     gint x_root, y_root;
587 
588     if (qemu_input_is_absolute()) {
589         return;
590     }
591 
592     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
593                                x, y, &x_root, &y_root);
594     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
595                              gtk_widget_get_screen(vc->gfx.drawing_area),
596                              x_root, y_root);
597 }
598 #endif
599 
600 static void gd_cursor_define(DisplayChangeListener *dcl,
601                              QEMUCursor *c)
602 {
603     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
604     GdkPixbuf *pixbuf;
605     GdkCursor *cursor;
606 
607     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
608         return;
609     }
610 
611     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
612                                       GDK_COLORSPACE_RGB, true, 8,
613                                       c->width, c->height, c->width * 4,
614                                       NULL, NULL);
615     cursor = gdk_cursor_new_from_pixbuf
616         (gtk_widget_get_display(vc->gfx.drawing_area),
617          pixbuf, c->hot_x, c->hot_y);
618     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
619     g_object_unref(pixbuf);
620 #if !GTK_CHECK_VERSION(3, 0, 0)
621     gdk_cursor_unref(cursor);
622 #else
623     g_object_unref(cursor);
624 #endif
625 }
626 
627 static void gd_switch(DisplayChangeListener *dcl,
628                       DisplaySurface *surface)
629 {
630     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
631     bool resized = true;
632 
633     trace_gd_switch(vc->label,
634                     surface ? surface_width(surface)  : 0,
635                     surface ? surface_height(surface) : 0);
636 
637     if (vc->gfx.surface) {
638         cairo_surface_destroy(vc->gfx.surface);
639         vc->gfx.surface = NULL;
640     }
641     if (vc->gfx.convert) {
642         pixman_image_unref(vc->gfx.convert);
643         vc->gfx.convert = NULL;
644     }
645 
646     if (vc->gfx.ds && surface &&
647         surface_width(vc->gfx.ds) == surface_width(surface) &&
648         surface_height(vc->gfx.ds) == surface_height(surface)) {
649         resized = false;
650     }
651     vc->gfx.ds = surface;
652 
653     if (!surface) {
654         return;
655     }
656 
657     if (surface->format == PIXMAN_x8r8g8b8) {
658         /*
659          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
660          *
661          * No need to convert, use surface directly.  Should be the
662          * common case as this is qemu_default_pixelformat(32) too.
663          */
664         vc->gfx.surface = cairo_image_surface_create_for_data
665             (surface_data(surface),
666              CAIRO_FORMAT_RGB24,
667              surface_width(surface),
668              surface_height(surface),
669              surface_stride(surface));
670     } else {
671         /* Must convert surface, use pixman to do it. */
672         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
673                                                    surface_width(surface),
674                                                    surface_height(surface),
675                                                    NULL, 0);
676         vc->gfx.surface = cairo_image_surface_create_for_data
677             ((void *)pixman_image_get_data(vc->gfx.convert),
678              CAIRO_FORMAT_RGB24,
679              pixman_image_get_width(vc->gfx.convert),
680              pixman_image_get_height(vc->gfx.convert),
681              pixman_image_get_stride(vc->gfx.convert));
682         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
683                                NULL, vc->gfx.convert,
684                                0, 0, 0, 0, 0, 0,
685                                pixman_image_get_width(vc->gfx.convert),
686                                pixman_image_get_height(vc->gfx.convert));
687     }
688 
689     if (resized) {
690         gd_update_windowsize(vc);
691     } else {
692         gd_update_full_redraw(vc);
693     }
694 }
695 
696 static const DisplayChangeListenerOps dcl_ops = {
697     .dpy_name             = "gtk",
698     .dpy_gfx_update       = gd_update,
699     .dpy_gfx_switch       = gd_switch,
700     .dpy_gfx_check_format = qemu_pixman_check_format,
701     .dpy_refresh          = gd_refresh,
702     .dpy_mouse_set        = gd_mouse_set,
703     .dpy_cursor_define    = gd_cursor_define,
704 };
705 
706 
707 #if defined(CONFIG_OPENGL)
708 
709 /** DisplayState Callbacks (opengl version) **/
710 
711 #if defined(CONFIG_GTK_GL)
712 
713 static const DisplayChangeListenerOps dcl_gl_area_ops = {
714     .dpy_name             = "gtk-egl",
715     .dpy_gfx_update       = gd_gl_area_update,
716     .dpy_gfx_switch       = gd_gl_area_switch,
717     .dpy_gfx_check_format = console_gl_check_format,
718     .dpy_refresh          = gd_gl_area_refresh,
719     .dpy_mouse_set        = gd_mouse_set,
720     .dpy_cursor_define    = gd_cursor_define,
721 
722     .dpy_gl_ctx_create       = gd_gl_area_create_context,
723     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
724     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
725     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
726     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
727     .dpy_gl_update           = gd_gl_area_scanout_flush,
728 };
729 
730 #endif /* CONFIG_GTK_GL */
731 
732 static const DisplayChangeListenerOps dcl_egl_ops = {
733     .dpy_name             = "gtk-egl",
734     .dpy_gfx_update       = gd_egl_update,
735     .dpy_gfx_switch       = gd_egl_switch,
736     .dpy_gfx_check_format = console_gl_check_format,
737     .dpy_refresh          = gd_egl_refresh,
738     .dpy_mouse_set        = gd_mouse_set,
739     .dpy_cursor_define    = gd_cursor_define,
740 
741     .dpy_gl_ctx_create       = gd_egl_create_context,
742     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
743     .dpy_gl_ctx_make_current = gd_egl_make_current,
744     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
745     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
746     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
747     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
748     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
749     .dpy_gl_cursor_position  = gd_egl_cursor_position,
750     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
751     .dpy_gl_update           = gd_egl_scanout_flush,
752 };
753 
754 #endif /* CONFIG_OPENGL */
755 
756 /** QEMU Events **/
757 
758 static void gd_change_runstate(void *opaque, int running, RunState state)
759 {
760     GtkDisplayState *s = opaque;
761 
762     gd_update_caption(s);
763 }
764 
765 static void gd_mouse_mode_change(Notifier *notify, void *data)
766 {
767     GtkDisplayState *s;
768     int i;
769 
770     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
771     /* release the grab at switching to absolute mode */
772     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
773         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
774                                        FALSE);
775     }
776     for (i = 0; i < s->nb_vcs; i++) {
777         VirtualConsole *vc = &s->vc[i];
778         gd_update_cursor(vc);
779     }
780 }
781 
782 /** GTK Events **/
783 
784 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
785                                 void *opaque)
786 {
787     GtkDisplayState *s = opaque;
788     bool allow_close = true;
789     int i;
790 
791     if (s->opts->has_window_close && !s->opts->window_close) {
792         allow_close = false;
793     }
794 
795     if (allow_close) {
796         for (i = 0; i < s->nb_vcs; i++) {
797             if (s->vc[i].type != GD_VC_GFX) {
798                 continue;
799             }
800             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
801         }
802         qmp_quit(NULL);
803         return FALSE;
804     }
805 
806     return TRUE;
807 }
808 
809 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
810 {
811     QemuUIInfo info;
812 
813     memset(&info, 0, sizeof(info));
814     info.width = width;
815     info.height = height;
816     dpy_set_ui_info(vc->gfx.dcl.con, &info);
817 }
818 
819 #if defined(CONFIG_GTK_GL)
820 
821 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
822                                 void *opaque)
823 {
824     VirtualConsole *vc = opaque;
825 
826     if (vc->gfx.gls) {
827         gd_gl_area_draw(vc);
828     }
829     return TRUE;
830 }
831 
832 static void gd_resize_event(GtkGLArea *area,
833                             gint width, gint height, gpointer *opaque)
834 {
835     VirtualConsole *vc = (void *)opaque;
836 
837     gd_set_ui_info(vc, width, height);
838 }
839 
840 #endif
841 
842 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
843 {
844     VirtualConsole *vc = opaque;
845     GtkDisplayState *s = vc->s;
846     int mx, my;
847     int ww, wh;
848     int fbw, fbh;
849 
850 #if defined(CONFIG_OPENGL)
851     if (vc->gfx.gls) {
852         if (gtk_use_gl_area) {
853             /* invoke render callback please */
854             return FALSE;
855         } else {
856             gd_egl_draw(vc);
857             return TRUE;
858         }
859     }
860 #endif
861 
862     if (!gtk_widget_get_realized(widget)) {
863         return FALSE;
864     }
865     if (!vc->gfx.ds) {
866         return FALSE;
867     }
868 
869     fbw = surface_width(vc->gfx.ds);
870     fbh = surface_height(vc->gfx.ds);
871 
872     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
873 
874     if (s->full_screen) {
875         vc->gfx.scale_x = (double)ww / fbw;
876         vc->gfx.scale_y = (double)wh / fbh;
877     } else if (s->free_scale) {
878         double sx, sy;
879 
880         sx = (double)ww / fbw;
881         sy = (double)wh / fbh;
882 
883         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
884     }
885 
886     fbw *= vc->gfx.scale_x;
887     fbh *= vc->gfx.scale_y;
888 
889     mx = my = 0;
890     if (ww > fbw) {
891         mx = (ww - fbw) / 2;
892     }
893     if (wh > fbh) {
894         my = (wh - fbh) / 2;
895     }
896 
897     cairo_rectangle(cr, 0, 0, ww, wh);
898 
899     /* Optionally cut out the inner area where the pixmap
900        will be drawn. This avoids 'flashing' since we're
901        not double-buffering. Note we're using the undocumented
902        behaviour of drawing the rectangle from right to left
903        to cut out the whole */
904     cairo_rectangle(cr, mx + fbw, my,
905                     -1 * fbw, fbh);
906     cairo_fill(cr);
907 
908     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
909     cairo_set_source_surface(cr, vc->gfx.surface,
910                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
911     cairo_paint(cr);
912 
913     return TRUE;
914 }
915 
916 #if !GTK_CHECK_VERSION(3, 0, 0)
917 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
918                                 void *opaque)
919 {
920     cairo_t *cr;
921     gboolean ret;
922 
923     cr = gdk_cairo_create(gtk_widget_get_window(widget));
924     cairo_rectangle(cr,
925                     expose->area.x,
926                     expose->area.y,
927                     expose->area.width,
928                     expose->area.height);
929     cairo_clip(cr);
930 
931     ret = gd_draw_event(widget, cr, opaque);
932 
933     cairo_destroy(cr);
934 
935     return ret;
936 }
937 #endif
938 
939 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
940                                 void *opaque)
941 {
942     VirtualConsole *vc = opaque;
943     GtkDisplayState *s = vc->s;
944     int x, y;
945     int mx, my;
946     int fbh, fbw;
947     int ww, wh;
948 
949     if (!vc->gfx.ds) {
950         return TRUE;
951     }
952 
953     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
954     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
955 
956     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
957                           &ww, &wh);
958 
959     mx = my = 0;
960     if (ww > fbw) {
961         mx = (ww - fbw) / 2;
962     }
963     if (wh > fbh) {
964         my = (wh - fbh) / 2;
965     }
966 
967     x = (motion->x - mx) / vc->gfx.scale_x;
968     y = (motion->y - my) / vc->gfx.scale_y;
969 
970     if (qemu_input_is_absolute()) {
971         if (x < 0 || y < 0 ||
972             x >= surface_width(vc->gfx.ds) ||
973             y >= surface_height(vc->gfx.ds)) {
974             return TRUE;
975         }
976         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
977                              0, surface_width(vc->gfx.ds));
978         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
979                              0, surface_height(vc->gfx.ds));
980         qemu_input_event_sync();
981     } else if (s->last_set && s->ptr_owner == vc) {
982         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
983         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
984         qemu_input_event_sync();
985     }
986     s->last_x = x;
987     s->last_y = y;
988     s->last_set = TRUE;
989 
990     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
991         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
992         int screen_width, screen_height;
993 
994         int x = (int)motion->x_root;
995         int y = (int)motion->y_root;
996 
997 #if GTK_CHECK_VERSION(3, 22, 0)
998         {
999             GdkDisplay *dpy = gtk_widget_get_display(widget);
1000             GdkWindow *win = gtk_widget_get_window(widget);
1001             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
1002             GdkRectangle geometry;
1003             gdk_monitor_get_geometry(monitor, &geometry);
1004             screen_width = geometry.width;
1005             screen_height = geometry.height;
1006         }
1007 #else
1008         {
1009             screen_width = gdk_screen_get_width(screen);
1010             screen_height = gdk_screen_get_height(screen);
1011         }
1012 #endif
1013 
1014         /* In relative mode check to see if client pointer hit
1015          * one of the screen edges, and if so move it back by
1016          * 200 pixels. This is important because the pointer
1017          * in the server doesn't correspond 1-for-1, and so
1018          * may still be only half way across the screen. Without
1019          * this warp, the server pointer would thus appear to hit
1020          * an invisible wall */
1021         if (x == 0) {
1022             x += 200;
1023         }
1024         if (y == 0) {
1025             y += 200;
1026         }
1027         if (x == (screen_width - 1)) {
1028             x -= 200;
1029         }
1030         if (y == (screen_height - 1)) {
1031             y -= 200;
1032         }
1033 
1034         if (x != (int)motion->x_root || y != (int)motion->y_root) {
1035 #if GTK_CHECK_VERSION(3, 0, 0)
1036             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
1037             gdk_device_warp(dev, screen, x, y);
1038 #else
1039             GdkDisplay *display = gtk_widget_get_display(widget);
1040             gdk_display_warp_pointer(display, screen, x, y);
1041 #endif
1042             s->last_set = FALSE;
1043             return FALSE;
1044         }
1045     }
1046     return TRUE;
1047 }
1048 
1049 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
1050                                 void *opaque)
1051 {
1052     VirtualConsole *vc = opaque;
1053     GtkDisplayState *s = vc->s;
1054     InputButton btn;
1055 
1056     /* implicitly grab the input at the first click in the relative mode */
1057     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
1058         !qemu_input_is_absolute() && s->ptr_owner != vc) {
1059         if (!vc->window) {
1060             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1061                                            TRUE);
1062         } else {
1063             gd_grab_pointer(vc, "relative-mode-click");
1064         }
1065         return TRUE;
1066     }
1067 
1068     if (button->button == 1) {
1069         btn = INPUT_BUTTON_LEFT;
1070     } else if (button->button == 2) {
1071         btn = INPUT_BUTTON_MIDDLE;
1072     } else if (button->button == 3) {
1073         btn = INPUT_BUTTON_RIGHT;
1074     } else if (button->button == 8) {
1075         btn = INPUT_BUTTON_SIDE;
1076     } else if (button->button == 9) {
1077         btn = INPUT_BUTTON_EXTRA;
1078     } else {
1079         return TRUE;
1080     }
1081 
1082     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1083                          button->type == GDK_BUTTON_PRESS);
1084     qemu_input_event_sync();
1085     return TRUE;
1086 }
1087 
1088 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1089                                 void *opaque)
1090 {
1091     VirtualConsole *vc = opaque;
1092     InputButton btn;
1093 
1094     if (scroll->direction == GDK_SCROLL_UP) {
1095         btn = INPUT_BUTTON_WHEEL_UP;
1096     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1097         btn = INPUT_BUTTON_WHEEL_DOWN;
1098 #if GTK_CHECK_VERSION(3, 4, 0)
1099     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1100         gdouble delta_x, delta_y;
1101         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1102                                          &delta_x, &delta_y)) {
1103             return TRUE;
1104         }
1105         if (delta_y > 0) {
1106             btn = INPUT_BUTTON_WHEEL_DOWN;
1107         } else {
1108             btn = INPUT_BUTTON_WHEEL_UP;
1109         }
1110 #endif
1111     } else {
1112         return TRUE;
1113     }
1114 
1115     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1116     qemu_input_event_sync();
1117     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1118     qemu_input_event_sync();
1119     return TRUE;
1120 }
1121 
1122 
1123 static const guint16 *gd_get_keymap(size_t *maplen)
1124 {
1125     GdkDisplay *dpy = gdk_display_get_default();
1126 
1127 #ifdef GDK_WINDOWING_X11
1128     if (GDK_IS_X11_DISPLAY(dpy)) {
1129         trace_gd_keymap_windowing("x11");
1130         return qemu_xkeymap_mapping_table(
1131             gdk_x11_display_get_xdisplay(dpy), maplen);
1132     }
1133 #endif
1134 
1135 #ifdef GDK_WINDOWING_WAYLAND
1136     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1137         trace_gd_keymap_windowing("wayland");
1138         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1139         return qemu_input_map_xorgevdev_to_qcode;
1140     }
1141 #endif
1142 
1143 #ifdef GDK_WINDOWING_WIN32
1144     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1145         trace_gd_keymap_windowing("win32");
1146         *maplen = qemu_input_map_win32_to_qcode_len;
1147         return qemu_input_map_win32_to_qcode;
1148     }
1149 #endif
1150 
1151 #ifdef GDK_WINDOWING_QUARTZ
1152     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1153         trace_gd_keymap_windowing("quartz");
1154         *maplen = qemu_input_map_osx_to_qcode_len;
1155         return qemu_input_map_osx_to_qcode;
1156     }
1157 #endif
1158 
1159 #ifdef GDK_WINDOWING_BROADWAY
1160     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1161         trace_gd_keymap_windowing("broadway");
1162         g_warning("experimental: using broadway, x11 virtual keysym\n"
1163                   "mapping - with very limited support. See also\n"
1164                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1165         *maplen = qemu_input_map_x11_to_qcode_len;
1166         return qemu_input_map_x11_to_qcode;
1167     }
1168 #endif
1169 
1170     g_warning("Unsupported GDK Windowing platform.\n"
1171               "Disabling extended keycode tables.\n"
1172               "Please report to qemu-devel@nongnu.org\n"
1173               "including the following information:\n"
1174               "\n"
1175               "  - Operating system\n"
1176               "  - GDK Windowing system build\n");
1177     return NULL;
1178 }
1179 
1180 
1181 static int gd_map_keycode(int scancode)
1182 {
1183     if (!keycode_map) {
1184         return 0;
1185     }
1186     if (scancode > keycode_maplen) {
1187         return 0;
1188     }
1189 
1190     return keycode_map[scancode];
1191 }
1192 
1193 static gboolean gd_text_key_down(GtkWidget *widget,
1194                                  GdkEventKey *key, void *opaque)
1195 {
1196     VirtualConsole *vc = opaque;
1197     QemuConsole *con = vc->gfx.dcl.con;
1198 
1199     if (key->keyval == GDK_KEY_Delete) {
1200         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE);
1201     } else if (key->length) {
1202         kbd_put_string_console(con, key->string, key->length);
1203     } else {
1204         int qcode = gd_map_keycode(key->hardware_keycode);
1205         kbd_put_qcode_console(con, qcode);
1206     }
1207     return TRUE;
1208 }
1209 
1210 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1211 {
1212     VirtualConsole *vc = opaque;
1213     GtkDisplayState *s = vc->s;
1214     int qcode;
1215     int i;
1216 
1217     if (s->ignore_keys) {
1218         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1219         return TRUE;
1220     }
1221 
1222 #ifdef WIN32
1223     /* on windows, we ought to ignore the reserved key event? */
1224     if (key->hardware_keycode == 0xff)
1225         return false;
1226 #endif
1227 
1228     if (key->keyval == GDK_KEY_Pause
1229 #ifdef G_OS_WIN32
1230         /* for some reason GDK does not fill keyval for VK_PAUSE
1231          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1232          */
1233         || key->hardware_keycode == VK_PAUSE
1234 #endif
1235         ) {
1236         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1237                                         key->type == GDK_KEY_PRESS);
1238         return TRUE;
1239     }
1240 
1241     qcode = gd_map_keycode(key->hardware_keycode);
1242 
1243     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1244                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1245 
1246     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1247         if (qcode == modifier_keycode[i]) {
1248             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1249         }
1250     }
1251 
1252     qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode,
1253                                     key->type == GDK_KEY_PRESS);
1254 
1255     return TRUE;
1256 }
1257 
1258 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1259 {
1260     if (event->type == GDK_MOTION_NOTIFY) {
1261         return gd_motion_event(widget, &event->motion, opaque);
1262     }
1263     return FALSE;
1264 }
1265 
1266 /** Window Menu Actions **/
1267 
1268 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1269 {
1270     GtkDisplayState *s = opaque;
1271 
1272     if (s->external_pause_update) {
1273         return;
1274     }
1275     if (runstate_is_running()) {
1276         qmp_stop(NULL);
1277     } else {
1278         qmp_cont(NULL);
1279     }
1280 }
1281 
1282 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1283 {
1284     qmp_system_reset(NULL);
1285 }
1286 
1287 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1288 {
1289     qmp_system_powerdown(NULL);
1290 }
1291 
1292 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1293 {
1294     qmp_quit(NULL);
1295 }
1296 
1297 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1298 {
1299     GtkDisplayState *s = opaque;
1300     VirtualConsole *vc = gd_vc_find_by_menu(s);
1301     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1302     gint page;
1303 
1304     gtk_release_modifiers(s);
1305     if (vc) {
1306         page = gtk_notebook_page_num(nb, vc->tab_item);
1307         gtk_notebook_set_current_page(nb, page);
1308         gtk_widget_grab_focus(vc->focus);
1309     }
1310     s->ignore_keys = false;
1311 }
1312 
1313 static void gd_accel_switch_vc(void *opaque)
1314 {
1315     VirtualConsole *vc = opaque;
1316 
1317     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1318 #if !GTK_CHECK_VERSION(3, 0, 0)
1319     /* GTK2 sends the accel key to the target console - ignore this until */
1320     vc->s->ignore_keys = true;
1321 #endif
1322 }
1323 
1324 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1325 {
1326     GtkDisplayState *s = opaque;
1327     VirtualConsole *vc = gd_vc_find_current(s);
1328 
1329     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1330         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1331     } else {
1332         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1333     }
1334     gd_update_windowsize(vc);
1335 }
1336 
1337 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1338                                     void *opaque)
1339 {
1340     VirtualConsole *vc = opaque;
1341     GtkDisplayState *s = vc->s;
1342 
1343     gtk_widget_set_sensitive(vc->menu_item, true);
1344     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1345     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1346                                     vc->tab_item, vc->label);
1347     gtk_widget_destroy(vc->window);
1348     vc->window = NULL;
1349     return TRUE;
1350 }
1351 
1352 static gboolean gd_win_grab(void *opaque)
1353 {
1354     VirtualConsole *vc = opaque;
1355 
1356     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1357     if (vc->s->ptr_owner) {
1358         gd_ungrab_pointer(vc->s);
1359     } else {
1360         gd_grab_pointer(vc, "user-request-detached-tab");
1361     }
1362     return TRUE;
1363 }
1364 
1365 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1366 {
1367     GtkDisplayState *s = opaque;
1368     VirtualConsole *vc = gd_vc_find_current(s);
1369 
1370     if (vc->type == GD_VC_GFX &&
1371         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1372         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1373                                        FALSE);
1374     }
1375     if (!vc->window) {
1376         gtk_widget_set_sensitive(vc->menu_item, false);
1377         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1378         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1379 
1380         g_signal_connect(vc->window, "delete-event",
1381                          G_CALLBACK(gd_tab_window_close), vc);
1382         gtk_widget_show_all(vc->window);
1383 
1384         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1385             GtkAccelGroup *ag = gtk_accel_group_new();
1386             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1387 
1388             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1389                                                vc, NULL);
1390             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1391         }
1392 
1393         gd_update_geometry_hints(vc);
1394         gd_update_caption(s);
1395     }
1396 }
1397 
1398 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1399 {
1400     GtkDisplayState *s = opaque;
1401     VirtualConsole *vc = gd_vc_find_current(s);
1402 
1403     if (!s->full_screen) {
1404         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1405         gtk_widget_hide(s->menu_bar);
1406         if (vc->type == GD_VC_GFX) {
1407             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1408         }
1409         gtk_window_fullscreen(GTK_WINDOW(s->window));
1410         s->full_screen = TRUE;
1411     } else {
1412         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1413         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1414         gtk_widget_show(s->menu_bar);
1415         s->full_screen = FALSE;
1416         if (vc->type == GD_VC_GFX) {
1417             vc->gfx.scale_x = 1.0;
1418             vc->gfx.scale_y = 1.0;
1419             gd_update_windowsize(vc);
1420         }
1421     }
1422 
1423     gd_update_cursor(vc);
1424 }
1425 
1426 static void gd_accel_full_screen(void *opaque)
1427 {
1428     GtkDisplayState *s = opaque;
1429     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1430 }
1431 
1432 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1433 {
1434     GtkDisplayState *s = opaque;
1435     VirtualConsole *vc = gd_vc_find_current(s);
1436 
1437     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1438                                    FALSE);
1439 
1440     vc->gfx.scale_x += VC_SCALE_STEP;
1441     vc->gfx.scale_y += VC_SCALE_STEP;
1442 
1443     gd_update_windowsize(vc);
1444 }
1445 
1446 static void gd_accel_zoom_in(void *opaque)
1447 {
1448     GtkDisplayState *s = opaque;
1449     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1450 }
1451 
1452 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1453 {
1454     GtkDisplayState *s = opaque;
1455     VirtualConsole *vc = gd_vc_find_current(s);
1456 
1457     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1458                                    FALSE);
1459 
1460     vc->gfx.scale_x -= VC_SCALE_STEP;
1461     vc->gfx.scale_y -= VC_SCALE_STEP;
1462 
1463     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1464     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1465 
1466     gd_update_windowsize(vc);
1467 }
1468 
1469 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1470 {
1471     GtkDisplayState *s = opaque;
1472     VirtualConsole *vc = gd_vc_find_current(s);
1473 
1474     vc->gfx.scale_x = 1.0;
1475     vc->gfx.scale_y = 1.0;
1476 
1477     gd_update_windowsize(vc);
1478 }
1479 
1480 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1481 {
1482     GtkDisplayState *s = opaque;
1483     VirtualConsole *vc = gd_vc_find_current(s);
1484 
1485     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1486         s->free_scale = TRUE;
1487     } else {
1488         s->free_scale = FALSE;
1489         vc->gfx.scale_x = 1.0;
1490         vc->gfx.scale_y = 1.0;
1491     }
1492 
1493     gd_update_windowsize(vc);
1494     gd_update_full_redraw(vc);
1495 }
1496 
1497 #if GTK_CHECK_VERSION(3, 20, 0)
1498 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1499 {
1500     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1501     GdkSeat *seat = gdk_display_get_default_seat(display);
1502     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1503     GdkSeatCapabilities caps = 0;
1504     GdkCursor *cursor = NULL;
1505 
1506     if (kbd) {
1507         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1508     }
1509     if (ptr) {
1510         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1511         cursor = vc->s->null_cursor;
1512     }
1513 
1514     if (caps) {
1515         gdk_seat_grab(seat, window, caps, false, cursor,
1516                       NULL, NULL, NULL);
1517     } else {
1518         gdk_seat_ungrab(seat);
1519     }
1520 }
1521 #elif GTK_CHECK_VERSION(3, 0, 0)
1522 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1523                             GdkInputSource source, GdkEventMask mask,
1524                             GdkCursor *cursor)
1525 {
1526     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1527     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1528     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1529     GList *tmp = devs;
1530 
1531     for (tmp = devs; tmp; tmp = tmp->next) {
1532         GdkDevice *dev = tmp->data;
1533         if (gdk_device_get_source(dev) != source) {
1534             continue;
1535         }
1536         if (grab) {
1537             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1538             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1539                             mask, cursor, GDK_CURRENT_TIME);
1540         } else {
1541             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1542         }
1543     }
1544     g_list_free(devs);
1545 }
1546 #endif
1547 
1548 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1549 {
1550     if (vc->s->kbd_owner) {
1551         if (vc->s->kbd_owner == vc) {
1552             return;
1553         } else {
1554             gd_ungrab_keyboard(vc->s);
1555         }
1556     }
1557 
1558 #if GTK_CHECK_VERSION(3, 20, 0)
1559     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1560 #elif GTK_CHECK_VERSION(3, 0, 0)
1561     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1562                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1563                    NULL);
1564 #else
1565     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1566                       FALSE,
1567                       GDK_CURRENT_TIME);
1568 #endif
1569     vc->s->kbd_owner = vc;
1570     gd_update_caption(vc->s);
1571     trace_gd_grab(vc->label, "kbd", reason);
1572 }
1573 
1574 static void gd_ungrab_keyboard(GtkDisplayState *s)
1575 {
1576     VirtualConsole *vc = s->kbd_owner;
1577 
1578     if (vc == NULL) {
1579         return;
1580     }
1581     s->kbd_owner = NULL;
1582 
1583 #if GTK_CHECK_VERSION(3, 20, 0)
1584     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1585 #elif GTK_CHECK_VERSION(3, 0, 0)
1586     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1587 #else
1588     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1589 #endif
1590     gd_update_caption(s);
1591     trace_gd_ungrab(vc->label, "kbd");
1592 }
1593 
1594 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1595 {
1596     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1597 
1598     if (vc->s->ptr_owner) {
1599         if (vc->s->ptr_owner == vc) {
1600             return;
1601         } else {
1602             gd_ungrab_pointer(vc->s);
1603         }
1604     }
1605 
1606 #if GTK_CHECK_VERSION(3, 20, 0)
1607     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1608     gdk_device_get_position(gd_get_pointer(display),
1609                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1610 #elif GTK_CHECK_VERSION(3, 0, 0)
1611     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1612                     GDK_POINTER_MOTION_MASK |
1613                     GDK_BUTTON_PRESS_MASK |
1614                     GDK_BUTTON_RELEASE_MASK |
1615                     GDK_BUTTON_MOTION_MASK |
1616                     GDK_SCROLL_MASK,
1617                     vc->s->null_cursor);
1618     gdk_device_get_position(gd_get_pointer(display),
1619                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1620 #else
1621     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1622                      FALSE, /* All events to come to our window directly */
1623                      GDK_POINTER_MOTION_MASK |
1624                      GDK_BUTTON_PRESS_MASK |
1625                      GDK_BUTTON_RELEASE_MASK |
1626                      GDK_BUTTON_MOTION_MASK |
1627                      GDK_SCROLL_MASK,
1628                      NULL, /* Allow cursor to move over entire desktop */
1629                      vc->s->null_cursor,
1630                      GDK_CURRENT_TIME);
1631     gdk_display_get_pointer(display, NULL,
1632                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1633 #endif
1634     vc->s->ptr_owner = vc;
1635     gd_update_caption(vc->s);
1636     trace_gd_grab(vc->label, "ptr", reason);
1637 }
1638 
1639 static void gd_ungrab_pointer(GtkDisplayState *s)
1640 {
1641     VirtualConsole *vc = s->ptr_owner;
1642     GdkDisplay *display;
1643 
1644     if (vc == NULL) {
1645         return;
1646     }
1647     s->ptr_owner = NULL;
1648 
1649     display = gtk_widget_get_display(vc->gfx.drawing_area);
1650 #if GTK_CHECK_VERSION(3, 20, 0)
1651     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1652     gdk_device_warp(gd_get_pointer(display),
1653                     gtk_widget_get_screen(vc->gfx.drawing_area),
1654                     vc->s->grab_x_root, vc->s->grab_y_root);
1655 #elif GTK_CHECK_VERSION(3, 0, 0)
1656     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1657     gdk_device_warp(gd_get_pointer(display),
1658                     gtk_widget_get_screen(vc->gfx.drawing_area),
1659                     vc->s->grab_x_root, vc->s->grab_y_root);
1660 #else
1661     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1662     gdk_display_warp_pointer(display,
1663                              gtk_widget_get_screen(vc->gfx.drawing_area),
1664                              vc->s->grab_x_root, vc->s->grab_y_root);
1665 #endif
1666     gd_update_caption(s);
1667     trace_gd_ungrab(vc->label, "ptr");
1668 }
1669 
1670 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1671 {
1672     GtkDisplayState *s = opaque;
1673     VirtualConsole *vc = gd_vc_find_current(s);
1674 
1675     if (gd_is_grab_active(s)) {
1676         gd_grab_keyboard(vc, "user-request-main-window");
1677         gd_grab_pointer(vc, "user-request-main-window");
1678     } else {
1679         gd_ungrab_keyboard(s);
1680         gd_ungrab_pointer(s);
1681     }
1682 
1683     gd_update_cursor(vc);
1684 }
1685 
1686 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1687                            gpointer data)
1688 {
1689     GtkDisplayState *s = data;
1690     VirtualConsole *vc;
1691     gboolean on_vga;
1692 
1693     if (!gtk_widget_get_realized(s->notebook)) {
1694         return;
1695     }
1696 
1697 #ifdef VTE_RESIZE_HACK
1698     vc = gd_vc_find_current(s);
1699     if (vc && vc->type == GD_VC_VTE) {
1700         gtk_widget_hide(vc->vte.terminal);
1701     }
1702 #endif
1703     vc = gd_vc_find_by_page(s, arg2);
1704     if (!vc) {
1705         return;
1706     }
1707 #ifdef VTE_RESIZE_HACK
1708     if (vc->type == GD_VC_VTE) {
1709         gtk_widget_show(vc->vte.terminal);
1710     }
1711 #endif
1712     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1713                                    TRUE);
1714     on_vga = (vc->type == GD_VC_GFX &&
1715               qemu_console_is_graphic(vc->gfx.dcl.con));
1716     if (!on_vga) {
1717         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1718                                        FALSE);
1719     } else if (s->full_screen) {
1720         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1721                                        TRUE);
1722     }
1723     gtk_widget_set_sensitive(s->grab_item, on_vga);
1724 #ifdef CONFIG_VTE
1725     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1726 #endif
1727 
1728     gd_update_windowsize(vc);
1729     gd_update_cursor(vc);
1730 }
1731 
1732 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1733                                gpointer opaque)
1734 {
1735     VirtualConsole *vc = opaque;
1736     GtkDisplayState *s = vc->s;
1737 
1738     if (gd_grab_on_hover(s)) {
1739         gd_grab_keyboard(vc, "grab-on-hover");
1740     }
1741     return TRUE;
1742 }
1743 
1744 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1745                                gpointer opaque)
1746 {
1747     VirtualConsole *vc = opaque;
1748     GtkDisplayState *s = vc->s;
1749 
1750     if (gd_grab_on_hover(s)) {
1751         gd_ungrab_keyboard(s);
1752     }
1753     return TRUE;
1754 }
1755 
1756 static gboolean gd_focus_out_event(GtkWidget *widget,
1757                                    GdkEventCrossing *crossing, gpointer opaque)
1758 {
1759     VirtualConsole *vc = opaque;
1760     GtkDisplayState *s = vc->s;
1761 
1762     gtk_release_modifiers(s);
1763     return TRUE;
1764 }
1765 
1766 static gboolean gd_configure(GtkWidget *widget,
1767                              GdkEventConfigure *cfg, gpointer opaque)
1768 {
1769     VirtualConsole *vc = opaque;
1770 
1771     gd_set_ui_info(vc, cfg->width, cfg->height);
1772     return FALSE;
1773 }
1774 
1775 /** Virtual Console Callbacks **/
1776 
1777 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1778                                int idx, GSList *group, GtkWidget *view_menu)
1779 {
1780     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1781     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1782             HOTKEY_MODIFIERS, 0,
1783             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1784 #if GTK_CHECK_VERSION(3, 8, 0)
1785     gtk_accel_label_set_accel(
1786             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1787             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1788 #endif
1789 
1790     g_signal_connect(vc->menu_item, "activate",
1791                      G_CALLBACK(gd_menu_switch_vc), s);
1792     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1793 
1794     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1795     return group;
1796 }
1797 
1798 #if defined(CONFIG_VTE)
1799 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1800 {
1801     GtkDisplayState *s = opaque;
1802     VirtualConsole *vc = gd_vc_find_current(s);
1803 
1804 #if VTE_CHECK_VERSION(0, 50, 0)
1805     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1806                                        VTE_FORMAT_TEXT);
1807 #else
1808     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1809 #endif
1810 }
1811 
1812 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1813 {
1814     VirtualConsole *vc = opaque;
1815 
1816     if (gtk_adjustment_get_upper(adjustment) >
1817         gtk_adjustment_get_page_size(adjustment)) {
1818         gtk_widget_show(vc->vte.scrollbar);
1819     } else {
1820         gtk_widget_hide(vc->vte.scrollbar);
1821     }
1822 }
1823 
1824 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1825 {
1826     VCChardev *vcd = VC_CHARDEV(chr);
1827     VirtualConsole *vc = vcd->console;
1828 
1829     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1830     return len;
1831 }
1832 
1833 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1834 {
1835     VCChardev *vcd = VC_CHARDEV(chr);
1836     VirtualConsole *vc = vcd->console;
1837 
1838     if (vc) {
1839         vc->vte.echo = echo;
1840     } else {
1841         vcd->echo = echo;
1842     }
1843 }
1844 
1845 static int nb_vcs;
1846 static Chardev *vcs[MAX_VCS];
1847 static void gd_vc_open(Chardev *chr,
1848                        ChardevBackend *backend,
1849                        bool *be_opened,
1850                        Error **errp)
1851 {
1852     if (nb_vcs == MAX_VCS) {
1853         error_setg(errp, "Maximum number of consoles reached");
1854         return;
1855     }
1856 
1857     vcs[nb_vcs++] = chr;
1858 
1859     /* console/chardev init sometimes completes elsewhere in a 2nd
1860      * stage, so defer OPENED events until they are fully initialized
1861      */
1862     *be_opened = false;
1863 }
1864 
1865 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1866 {
1867     ChardevClass *cc = CHARDEV_CLASS(oc);
1868 
1869     cc->parse = qemu_chr_parse_vc;
1870     cc->open = gd_vc_open;
1871     cc->chr_write = gd_vc_chr_write;
1872     cc->chr_set_echo = gd_vc_chr_set_echo;
1873 }
1874 
1875 static const TypeInfo char_gd_vc_type_info = {
1876     .name = TYPE_CHARDEV_VC,
1877     .parent = TYPE_CHARDEV,
1878     .instance_size = sizeof(VCChardev),
1879     .class_init = char_gd_vc_class_init,
1880 };
1881 
1882 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1883                          gpointer user_data)
1884 {
1885     VirtualConsole *vc = user_data;
1886 
1887     if (vc->vte.echo) {
1888         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1889         int i;
1890         for (i = 0; i < size; i++) {
1891             uint8_t c = text[i];
1892             if (c >= 128 || isprint(c)) {
1893                 /* 8-bit characters are considered printable.  */
1894                 vte_terminal_feed(term, &text[i], 1);
1895             } else if (c == '\r' || c == '\n') {
1896                 vte_terminal_feed(term, "\r\n", 2);
1897             } else {
1898                 char ctrl[2] = { '^', 0};
1899                 ctrl[1] = text[i] ^ 64;
1900                 vte_terminal_feed(term, ctrl, 2);
1901             }
1902         }
1903     }
1904 
1905     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1906     return TRUE;
1907 }
1908 
1909 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1910                               Chardev *chr, int idx,
1911                               GSList *group, GtkWidget *view_menu)
1912 {
1913     char buffer[32];
1914     GtkWidget *box;
1915     GtkWidget *scrollbar;
1916     GtkAdjustment *vadjustment;
1917     VCChardev *vcd = VC_CHARDEV(chr);
1918 
1919     vc->s = s;
1920     vc->vte.echo = vcd->echo;
1921     vc->vte.chr = chr;
1922     vcd->console = vc;
1923 
1924     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1925     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1926                                 ? vc->vte.chr->label : buffer);
1927     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1928 
1929     vc->vte.terminal = vte_terminal_new();
1930     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1931 
1932     /* The documentation says that the default is UTF-8, but actually it is
1933      * 7-bit ASCII at least in VTE 0.38.
1934      */
1935 #if VTE_CHECK_VERSION(0, 38, 0)
1936     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1937 #else
1938     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1939 #endif
1940 
1941     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1942     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1943                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1944 
1945 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1946     vadjustment = gtk_scrollable_get_vadjustment
1947         (GTK_SCROLLABLE(vc->vte.terminal));
1948 #else
1949     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1950 #endif
1951 
1952 #if GTK_CHECK_VERSION(3, 0, 0)
1953     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1954     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1955 #else
1956     box = gtk_hbox_new(false, 2);
1957     scrollbar = gtk_vscrollbar_new(vadjustment);
1958 #endif
1959 
1960     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1961     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1962 
1963     vc->vte.box = box;
1964     vc->vte.scrollbar = scrollbar;
1965 
1966     g_signal_connect(vadjustment, "changed",
1967                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1968 
1969     vc->type = GD_VC_VTE;
1970     vc->tab_item = box;
1971     vc->focus = vc->vte.terminal;
1972     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1973                              gtk_label_new(vc->label));
1974 
1975     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1976 
1977     return group;
1978 }
1979 
1980 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1981                         GtkWidget *view_menu)
1982 {
1983     int i;
1984 
1985     for (i = 0; i < nb_vcs; i++) {
1986         VirtualConsole *vc = &s->vc[s->nb_vcs];
1987         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1988         s->nb_vcs++;
1989     }
1990 }
1991 #endif /* CONFIG_VTE */
1992 
1993 /** Window Creation **/
1994 
1995 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1996 {
1997 #if GTK_CHECK_VERSION(3, 0, 0)
1998     g_signal_connect(vc->gfx.drawing_area, "draw",
1999                      G_CALLBACK(gd_draw_event), vc);
2000 #if defined(CONFIG_GTK_GL)
2001     if (gtk_use_gl_area) {
2002         /* wire up GtkGlArea events */
2003         g_signal_connect(vc->gfx.drawing_area, "render",
2004                          G_CALLBACK(gd_render_event), vc);
2005         g_signal_connect(vc->gfx.drawing_area, "resize",
2006                          G_CALLBACK(gd_resize_event), vc);
2007     }
2008 #endif
2009 #else
2010     g_signal_connect(vc->gfx.drawing_area, "expose-event",
2011                      G_CALLBACK(gd_expose_event), vc);
2012 #endif
2013     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
2014         g_signal_connect(vc->gfx.drawing_area, "event",
2015                          G_CALLBACK(gd_event), vc);
2016         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
2017                          G_CALLBACK(gd_button_event), vc);
2018         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
2019                          G_CALLBACK(gd_button_event), vc);
2020         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
2021                          G_CALLBACK(gd_scroll_event), vc);
2022         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2023                          G_CALLBACK(gd_key_event), vc);
2024         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
2025                          G_CALLBACK(gd_key_event), vc);
2026 
2027         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
2028                          G_CALLBACK(gd_enter_event), vc);
2029         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
2030                          G_CALLBACK(gd_leave_event), vc);
2031         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
2032                          G_CALLBACK(gd_focus_out_event), vc);
2033         g_signal_connect(vc->gfx.drawing_area, "configure-event",
2034                          G_CALLBACK(gd_configure), vc);
2035     } else {
2036         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2037                          G_CALLBACK(gd_text_key_down), vc);
2038     }
2039 }
2040 
2041 static void gd_connect_signals(GtkDisplayState *s)
2042 {
2043     g_signal_connect(s->show_tabs_item, "activate",
2044                      G_CALLBACK(gd_menu_show_tabs), s);
2045     g_signal_connect(s->untabify_item, "activate",
2046                      G_CALLBACK(gd_menu_untabify), s);
2047 
2048     g_signal_connect(s->window, "delete-event",
2049                      G_CALLBACK(gd_window_close), s);
2050 
2051     g_signal_connect(s->pause_item, "activate",
2052                      G_CALLBACK(gd_menu_pause), s);
2053     g_signal_connect(s->reset_item, "activate",
2054                      G_CALLBACK(gd_menu_reset), s);
2055     g_signal_connect(s->powerdown_item, "activate",
2056                      G_CALLBACK(gd_menu_powerdown), s);
2057     g_signal_connect(s->quit_item, "activate",
2058                      G_CALLBACK(gd_menu_quit), s);
2059 #if defined(CONFIG_VTE)
2060     g_signal_connect(s->copy_item, "activate",
2061                      G_CALLBACK(gd_menu_copy), s);
2062 #endif
2063     g_signal_connect(s->full_screen_item, "activate",
2064                      G_CALLBACK(gd_menu_full_screen), s);
2065     g_signal_connect(s->zoom_in_item, "activate",
2066                      G_CALLBACK(gd_menu_zoom_in), s);
2067     g_signal_connect(s->zoom_out_item, "activate",
2068                      G_CALLBACK(gd_menu_zoom_out), s);
2069     g_signal_connect(s->zoom_fixed_item, "activate",
2070                      G_CALLBACK(gd_menu_zoom_fixed), s);
2071     g_signal_connect(s->zoom_fit_item, "activate",
2072                      G_CALLBACK(gd_menu_zoom_fit), s);
2073     g_signal_connect(s->grab_item, "activate",
2074                      G_CALLBACK(gd_menu_grab_input), s);
2075     g_signal_connect(s->notebook, "switch-page",
2076                      G_CALLBACK(gd_change_page), s);
2077 }
2078 
2079 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2080 {
2081     GtkWidget *machine_menu;
2082     GtkWidget *separator;
2083 
2084     machine_menu = gtk_menu_new();
2085     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2086 
2087     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2088     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2089 
2090     separator = gtk_separator_menu_item_new();
2091     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2092 
2093     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2094     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2095 
2096     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2097     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2098 
2099     separator = gtk_separator_menu_item_new();
2100     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2101 
2102     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2103     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2104                                  "<QEMU>/Machine/Quit");
2105     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2106                             GDK_KEY_q, HOTKEY_MODIFIERS);
2107     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2108 
2109     return machine_menu;
2110 }
2111 
2112 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2113                               QemuConsole *con, int idx,
2114                               GSList *group, GtkWidget *view_menu)
2115 {
2116     vc->label = qemu_console_get_label(con);
2117     vc->s = s;
2118     vc->gfx.scale_x = 1.0;
2119     vc->gfx.scale_y = 1.0;
2120 
2121 #if defined(CONFIG_OPENGL)
2122     if (display_opengl) {
2123 #if defined(CONFIG_GTK_GL)
2124         if (gtk_use_gl_area) {
2125             vc->gfx.drawing_area = gtk_gl_area_new();
2126             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2127         } else
2128 #endif /* CONFIG_GTK_GL */
2129         {
2130             vc->gfx.drawing_area = gtk_drawing_area_new();
2131             /*
2132              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2133              * It is required for opengl rendering on X11 though.  A
2134              * proper replacement (native opengl support) is only
2135              * available in 3.16+.  Silence the warning if possible.
2136              */
2137 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2138 #pragma GCC diagnostic push
2139 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2140 #endif
2141             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2142 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2143 #pragma GCC diagnostic pop
2144 #endif
2145             vc->gfx.dcl.ops = &dcl_egl_ops;
2146         }
2147     } else
2148 #endif
2149     {
2150         vc->gfx.drawing_area = gtk_drawing_area_new();
2151         vc->gfx.dcl.ops = &dcl_ops;
2152     }
2153 
2154 
2155     gtk_widget_add_events(vc->gfx.drawing_area,
2156                           GDK_POINTER_MOTION_MASK |
2157                           GDK_BUTTON_PRESS_MASK |
2158                           GDK_BUTTON_RELEASE_MASK |
2159                           GDK_BUTTON_MOTION_MASK |
2160                           GDK_ENTER_NOTIFY_MASK |
2161                           GDK_LEAVE_NOTIFY_MASK |
2162                           GDK_SCROLL_MASK |
2163                           GDK_KEY_PRESS_MASK);
2164     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2165 
2166     vc->type = GD_VC_GFX;
2167     vc->tab_item = vc->gfx.drawing_area;
2168     vc->focus = vc->gfx.drawing_area;
2169     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2170                              vc->tab_item, gtk_label_new(vc->label));
2171 
2172     vc->gfx.dcl.con = con;
2173     register_displaychangelistener(&vc->gfx.dcl);
2174 
2175     gd_connect_vc_gfx_signals(vc);
2176     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2177 
2178     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2179         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2180         s->free_scale = true;
2181     }
2182 
2183     return group;
2184 }
2185 
2186 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2187 {
2188     GSList *group = NULL;
2189     GtkWidget *view_menu;
2190     GtkWidget *separator;
2191     QemuConsole *con;
2192     int vc;
2193 
2194     view_menu = gtk_menu_new();
2195     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2196 
2197     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2198 
2199 #if defined(CONFIG_VTE)
2200     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2201     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2202 #endif
2203 
2204     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2205             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2206 #if GTK_CHECK_VERSION(3, 8, 0)
2207     gtk_accel_label_set_accel(
2208             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2209             GDK_KEY_f, HOTKEY_MODIFIERS);
2210 #endif
2211     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2212 
2213     separator = gtk_separator_menu_item_new();
2214     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2215 
2216     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2217     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2218                                  "<QEMU>/View/Zoom In");
2219     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2220                             HOTKEY_MODIFIERS);
2221     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2222             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2223     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2224 
2225     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2226     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2227                                  "<QEMU>/View/Zoom Out");
2228     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2229                             HOTKEY_MODIFIERS);
2230     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2231 
2232     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2233     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2234                                  "<QEMU>/View/Zoom Fixed");
2235     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2236                             HOTKEY_MODIFIERS);
2237     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2238 
2239     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2240     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2241 
2242     separator = gtk_separator_menu_item_new();
2243     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2244 
2245     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2246     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2247 
2248     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2249     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2250                                  "<QEMU>/View/Grab Input");
2251     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2252                             HOTKEY_MODIFIERS);
2253     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2254 
2255     separator = gtk_separator_menu_item_new();
2256     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2257 
2258     /* gfx */
2259     for (vc = 0;; vc++) {
2260         con = qemu_console_lookup_by_index(vc);
2261         if (!con) {
2262             break;
2263         }
2264         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2265                                vc, group, view_menu);
2266         s->nb_vcs++;
2267     }
2268 
2269 #if defined(CONFIG_VTE)
2270     /* vte */
2271     gd_vcs_init(s, group, view_menu);
2272 #endif
2273 
2274     separator = gtk_separator_menu_item_new();
2275     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2276 
2277     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2278     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2279 
2280     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2281     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2282 
2283     return view_menu;
2284 }
2285 
2286 static void gd_create_menus(GtkDisplayState *s)
2287 {
2288     s->accel_group = gtk_accel_group_new();
2289     s->machine_menu = gd_create_menu_machine(s);
2290     s->view_menu = gd_create_menu_view(s);
2291 
2292     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2293     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2294                               s->machine_menu);
2295     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2296 
2297     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2298     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2299     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2300 
2301     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2302     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2303 }
2304 
2305 
2306 static gboolean gtkinit;
2307 
2308 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2309 {
2310     VirtualConsole *vc;
2311 
2312     GtkDisplayState *s = g_malloc0(sizeof(*s));
2313     char *filename;
2314     GdkDisplay *window_display;
2315 
2316     if (!gtkinit) {
2317         fprintf(stderr, "gtk initialization failed\n");
2318         exit(1);
2319     }
2320     assert(opts->type == DISPLAY_TYPE_GTK);
2321     s->opts = opts;
2322 
2323 #if !GTK_CHECK_VERSION(3, 0, 0)
2324     g_printerr("Running QEMU with GTK 2.x is deprecated, and will be removed\n"
2325                "in a future release. Please switch to GTK 3.x instead\n");
2326 #endif
2327 
2328     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2329 #if GTK_CHECK_VERSION(3, 2, 0)
2330     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2331 #else
2332     s->vbox = gtk_vbox_new(FALSE, 0);
2333 #endif
2334     s->notebook = gtk_notebook_new();
2335     s->menu_bar = gtk_menu_bar_new();
2336 
2337     s->free_scale = FALSE;
2338 
2339     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2340      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2341      * printable, but without changing any of the character classes to make
2342      * sure that we don't accidentally break implicit assumptions.  */
2343     setlocale(LC_MESSAGES, "");
2344     setlocale(LC_CTYPE, "C.UTF-8");
2345     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2346     textdomain("qemu");
2347 
2348     window_display = gtk_widget_get_display(s->window);
2349     s->null_cursor = gdk_cursor_new_for_display(window_display,
2350                                                 GDK_BLANK_CURSOR);
2351 
2352     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2353     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2354     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2355 
2356     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2357     if (filename) {
2358         GError *error = NULL;
2359         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2360         if (pixbuf) {
2361             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2362         } else {
2363             g_error_free(error);
2364         }
2365         g_free(filename);
2366     }
2367 
2368     gd_create_menus(s);
2369 
2370     gd_connect_signals(s);
2371 
2372     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2373     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2374 
2375     gd_update_caption(s);
2376 
2377     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2378     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2379 
2380     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2381 
2382     gtk_widget_show_all(s->window);
2383 
2384 #ifdef VTE_RESIZE_HACK
2385     {
2386         VirtualConsole *cur = gd_vc_find_current(s);
2387         if (cur) {
2388             int i;
2389 
2390             for (i = 0; i < s->nb_vcs; i++) {
2391                 VirtualConsole *vc = &s->vc[i];
2392                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2393                     gtk_widget_hide(vc->vte.terminal);
2394                 }
2395             }
2396             gd_update_windowsize(cur);
2397         }
2398     }
2399 #endif
2400 
2401     vc = gd_vc_find_current(s);
2402     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2403 #ifdef CONFIG_VTE
2404     gtk_widget_set_sensitive(s->copy_item,
2405                              vc && vc->type == GD_VC_VTE);
2406 #endif
2407 
2408     if (opts->has_full_screen &&
2409         opts->full_screen) {
2410         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2411     }
2412     if (opts->u.gtk.has_grab_on_hover &&
2413         opts->u.gtk.grab_on_hover) {
2414         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2415     }
2416 }
2417 
2418 static void early_gtk_display_init(DisplayOptions *opts)
2419 {
2420     /* The QEMU code relies on the assumption that it's always run in
2421      * the C locale. Therefore it is not prepared to deal with
2422      * operations that produce different results depending on the
2423      * locale, such as printf's formatting of decimal numbers, and
2424      * possibly others.
2425      *
2426      * Since GTK+ calls setlocale() by default -importing the locale
2427      * settings from the environment- we must prevent it from doing so
2428      * using gtk_disable_setlocale().
2429      *
2430      * QEMU's GTK+ UI, however, _does_ have translations for some of
2431      * the menu items. As a trade-off between a functionally correct
2432      * QEMU and a fully internationalized UI we support importing
2433      * LC_MESSAGES from the environment (see the setlocale() call
2434      * earlier in this file). This allows us to display translated
2435      * messages leaving everything else untouched.
2436      */
2437     gtk_disable_setlocale();
2438     gtkinit = gtk_init_check(NULL, NULL);
2439     if (!gtkinit) {
2440         /* don't exit yet, that'll break -help */
2441         return;
2442     }
2443 
2444     assert(opts->type == DISPLAY_TYPE_GTK);
2445     if (opts->has_gl && opts->gl) {
2446 #if defined(CONFIG_OPENGL)
2447 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2448         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2449             gtk_use_gl_area = true;
2450             gtk_gl_area_init();
2451         }
2452 #endif
2453         {
2454             gtk_egl_init();
2455         }
2456 #endif
2457     }
2458 
2459     keycode_map = gd_get_keymap(&keycode_maplen);
2460 
2461 #if defined(CONFIG_VTE)
2462     type_register(&char_gd_vc_type_info);
2463 #endif
2464 }
2465 
2466 static QemuDisplay qemu_display_gtk = {
2467     .type       = DISPLAY_TYPE_GTK,
2468     .early_init = early_gtk_display_init,
2469     .init       = gtk_display_init,
2470 };
2471 
2472 static void register_gtk(void)
2473 {
2474     qemu_display_register(&qemu_display_gtk);
2475 }
2476 
2477 type_init(register_gtk);
2478