xref: /openbmc/qemu/ui/gtk.c (revision 2b108085)
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 
790     if (s->opts->has_window_close && !s->opts->window_close) {
791         allow_close = false;
792     }
793 
794     if (allow_close) {
795         qmp_quit(NULL);
796     }
797 
798     return TRUE;
799 }
800 
801 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
802 {
803     QemuUIInfo info;
804 
805     memset(&info, 0, sizeof(info));
806     info.width = width;
807     info.height = height;
808     dpy_set_ui_info(vc->gfx.dcl.con, &info);
809 }
810 
811 #if defined(CONFIG_GTK_GL)
812 
813 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
814                                 void *opaque)
815 {
816     VirtualConsole *vc = opaque;
817 
818     if (vc->gfx.gls) {
819         gd_gl_area_draw(vc);
820     }
821     return TRUE;
822 }
823 
824 static void gd_resize_event(GtkGLArea *area,
825                             gint width, gint height, gpointer *opaque)
826 {
827     VirtualConsole *vc = (void *)opaque;
828 
829     gd_set_ui_info(vc, width, height);
830 }
831 
832 #endif
833 
834 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
835 {
836     VirtualConsole *vc = opaque;
837     GtkDisplayState *s = vc->s;
838     int mx, my;
839     int ww, wh;
840     int fbw, fbh;
841 
842 #if defined(CONFIG_OPENGL)
843     if (vc->gfx.gls) {
844         if (gtk_use_gl_area) {
845             /* invoke render callback please */
846             return FALSE;
847         } else {
848             gd_egl_draw(vc);
849             return TRUE;
850         }
851     }
852 #endif
853 
854     if (!gtk_widget_get_realized(widget)) {
855         return FALSE;
856     }
857     if (!vc->gfx.ds) {
858         return FALSE;
859     }
860 
861     fbw = surface_width(vc->gfx.ds);
862     fbh = surface_height(vc->gfx.ds);
863 
864     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
865 
866     if (s->full_screen) {
867         vc->gfx.scale_x = (double)ww / fbw;
868         vc->gfx.scale_y = (double)wh / fbh;
869     } else if (s->free_scale) {
870         double sx, sy;
871 
872         sx = (double)ww / fbw;
873         sy = (double)wh / fbh;
874 
875         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
876     }
877 
878     fbw *= vc->gfx.scale_x;
879     fbh *= vc->gfx.scale_y;
880 
881     mx = my = 0;
882     if (ww > fbw) {
883         mx = (ww - fbw) / 2;
884     }
885     if (wh > fbh) {
886         my = (wh - fbh) / 2;
887     }
888 
889     cairo_rectangle(cr, 0, 0, ww, wh);
890 
891     /* Optionally cut out the inner area where the pixmap
892        will be drawn. This avoids 'flashing' since we're
893        not double-buffering. Note we're using the undocumented
894        behaviour of drawing the rectangle from right to left
895        to cut out the whole */
896     cairo_rectangle(cr, mx + fbw, my,
897                     -1 * fbw, fbh);
898     cairo_fill(cr);
899 
900     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
901     cairo_set_source_surface(cr, vc->gfx.surface,
902                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
903     cairo_paint(cr);
904 
905     return TRUE;
906 }
907 
908 #if !GTK_CHECK_VERSION(3, 0, 0)
909 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
910                                 void *opaque)
911 {
912     cairo_t *cr;
913     gboolean ret;
914 
915     cr = gdk_cairo_create(gtk_widget_get_window(widget));
916     cairo_rectangle(cr,
917                     expose->area.x,
918                     expose->area.y,
919                     expose->area.width,
920                     expose->area.height);
921     cairo_clip(cr);
922 
923     ret = gd_draw_event(widget, cr, opaque);
924 
925     cairo_destroy(cr);
926 
927     return ret;
928 }
929 #endif
930 
931 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
932                                 void *opaque)
933 {
934     VirtualConsole *vc = opaque;
935     GtkDisplayState *s = vc->s;
936     int x, y;
937     int mx, my;
938     int fbh, fbw;
939     int ww, wh;
940 
941     if (!vc->gfx.ds) {
942         return TRUE;
943     }
944 
945     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
946     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
947 
948     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
949                           &ww, &wh);
950 
951     mx = my = 0;
952     if (ww > fbw) {
953         mx = (ww - fbw) / 2;
954     }
955     if (wh > fbh) {
956         my = (wh - fbh) / 2;
957     }
958 
959     x = (motion->x - mx) / vc->gfx.scale_x;
960     y = (motion->y - my) / vc->gfx.scale_y;
961 
962     if (qemu_input_is_absolute()) {
963         if (x < 0 || y < 0 ||
964             x >= surface_width(vc->gfx.ds) ||
965             y >= surface_height(vc->gfx.ds)) {
966             return TRUE;
967         }
968         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
969                              0, surface_width(vc->gfx.ds));
970         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
971                              0, surface_height(vc->gfx.ds));
972         qemu_input_event_sync();
973     } else if (s->last_set && s->ptr_owner == vc) {
974         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
975         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
976         qemu_input_event_sync();
977     }
978     s->last_x = x;
979     s->last_y = y;
980     s->last_set = TRUE;
981 
982     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
983         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
984         int screen_width, screen_height;
985 
986         int x = (int)motion->x_root;
987         int y = (int)motion->y_root;
988 
989 #if GTK_CHECK_VERSION(3, 22, 0)
990         {
991             GdkDisplay *dpy = gtk_widget_get_display(widget);
992             GdkWindow *win = gtk_widget_get_window(widget);
993             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
994             GdkRectangle geometry;
995             gdk_monitor_get_geometry(monitor, &geometry);
996             screen_width = geometry.width;
997             screen_height = geometry.height;
998         }
999 #else
1000         {
1001             screen_width = gdk_screen_get_width(screen);
1002             screen_height = gdk_screen_get_height(screen);
1003         }
1004 #endif
1005 
1006         /* In relative mode check to see if client pointer hit
1007          * one of the screen edges, and if so move it back by
1008          * 200 pixels. This is important because the pointer
1009          * in the server doesn't correspond 1-for-1, and so
1010          * may still be only half way across the screen. Without
1011          * this warp, the server pointer would thus appear to hit
1012          * an invisible wall */
1013         if (x == 0) {
1014             x += 200;
1015         }
1016         if (y == 0) {
1017             y += 200;
1018         }
1019         if (x == (screen_width - 1)) {
1020             x -= 200;
1021         }
1022         if (y == (screen_height - 1)) {
1023             y -= 200;
1024         }
1025 
1026         if (x != (int)motion->x_root || y != (int)motion->y_root) {
1027 #if GTK_CHECK_VERSION(3, 0, 0)
1028             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
1029             gdk_device_warp(dev, screen, x, y);
1030 #else
1031             GdkDisplay *display = gtk_widget_get_display(widget);
1032             gdk_display_warp_pointer(display, screen, x, y);
1033 #endif
1034             s->last_set = FALSE;
1035             return FALSE;
1036         }
1037     }
1038     return TRUE;
1039 }
1040 
1041 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
1042                                 void *opaque)
1043 {
1044     VirtualConsole *vc = opaque;
1045     GtkDisplayState *s = vc->s;
1046     InputButton btn;
1047 
1048     /* implicitly grab the input at the first click in the relative mode */
1049     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
1050         !qemu_input_is_absolute() && s->ptr_owner != vc) {
1051         if (!vc->window) {
1052             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1053                                            TRUE);
1054         } else {
1055             gd_grab_pointer(vc, "relative-mode-click");
1056         }
1057         return TRUE;
1058     }
1059 
1060     if (button->button == 1) {
1061         btn = INPUT_BUTTON_LEFT;
1062     } else if (button->button == 2) {
1063         btn = INPUT_BUTTON_MIDDLE;
1064     } else if (button->button == 3) {
1065         btn = INPUT_BUTTON_RIGHT;
1066     } else if (button->button == 8) {
1067         btn = INPUT_BUTTON_SIDE;
1068     } else if (button->button == 9) {
1069         btn = INPUT_BUTTON_EXTRA;
1070     } else {
1071         return TRUE;
1072     }
1073 
1074     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1075                          button->type == GDK_BUTTON_PRESS);
1076     qemu_input_event_sync();
1077     return TRUE;
1078 }
1079 
1080 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1081                                 void *opaque)
1082 {
1083     VirtualConsole *vc = opaque;
1084     InputButton btn;
1085 
1086     if (scroll->direction == GDK_SCROLL_UP) {
1087         btn = INPUT_BUTTON_WHEEL_UP;
1088     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1089         btn = INPUT_BUTTON_WHEEL_DOWN;
1090 #if GTK_CHECK_VERSION(3, 4, 0)
1091     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1092         gdouble delta_x, delta_y;
1093         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1094                                          &delta_x, &delta_y)) {
1095             return TRUE;
1096         }
1097         if (delta_y > 0) {
1098             btn = INPUT_BUTTON_WHEEL_DOWN;
1099         } else {
1100             btn = INPUT_BUTTON_WHEEL_UP;
1101         }
1102 #endif
1103     } else {
1104         return TRUE;
1105     }
1106 
1107     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1108     qemu_input_event_sync();
1109     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1110     qemu_input_event_sync();
1111     return TRUE;
1112 }
1113 
1114 
1115 static const guint16 *gd_get_keymap(size_t *maplen)
1116 {
1117     GdkDisplay *dpy = gdk_display_get_default();
1118 
1119 #ifdef GDK_WINDOWING_X11
1120     if (GDK_IS_X11_DISPLAY(dpy)) {
1121         trace_gd_keymap_windowing("x11");
1122         return qemu_xkeymap_mapping_table(
1123             gdk_x11_display_get_xdisplay(dpy), maplen);
1124     }
1125 #endif
1126 
1127 #ifdef GDK_WINDOWING_WAYLAND
1128     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1129         trace_gd_keymap_windowing("wayland");
1130         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1131         return qemu_input_map_xorgevdev_to_qcode;
1132     }
1133 #endif
1134 
1135 #ifdef GDK_WINDOWING_WIN32
1136     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1137         trace_gd_keymap_windowing("win32");
1138         *maplen = qemu_input_map_win32_to_qcode_len;
1139         return qemu_input_map_win32_to_qcode;
1140     }
1141 #endif
1142 
1143 #ifdef GDK_WINDOWING_QUARTZ
1144     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1145         trace_gd_keymap_windowing("quartz");
1146         *maplen = qemu_input_map_osx_to_qcode_len;
1147         return qemu_input_map_osx_to_qcode;
1148     }
1149 #endif
1150 
1151 #ifdef GDK_WINDOWING_BROADWAY
1152     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1153         trace_gd_keymap_windowing("broadway");
1154         g_warning("experimental: using broadway, x11 virtual keysym\n"
1155                   "mapping - with very limited support. See also\n"
1156                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1157         *maplen = qemu_input_map_x11_to_qcode_len;
1158         return qemu_input_map_x11_to_qcode;
1159     }
1160 #endif
1161 
1162     g_warning("Unsupported GDK Windowing platform.\n"
1163               "Disabling extended keycode tables.\n"
1164               "Please report to qemu-devel@nongnu.org\n"
1165               "including the following information:\n"
1166               "\n"
1167               "  - Operating system\n"
1168               "  - GDK Windowing system build\n");
1169     return NULL;
1170 }
1171 
1172 
1173 static int gd_map_keycode(int scancode)
1174 {
1175     if (!keycode_map) {
1176         return 0;
1177     }
1178     if (scancode > keycode_maplen) {
1179         return 0;
1180     }
1181 
1182     return keycode_map[scancode];
1183 }
1184 
1185 static gboolean gd_text_key_down(GtkWidget *widget,
1186                                  GdkEventKey *key, void *opaque)
1187 {
1188     VirtualConsole *vc = opaque;
1189     QemuConsole *con = vc->gfx.dcl.con;
1190 
1191     if (key->keyval == GDK_KEY_Delete) {
1192         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1193     } else if (key->length) {
1194         kbd_put_string_console(con, key->string, key->length);
1195     } else {
1196         int qcode = gd_map_keycode(key->hardware_keycode);
1197         kbd_put_qcode_console(con, qcode, false);
1198     }
1199     return TRUE;
1200 }
1201 
1202 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1203 {
1204     VirtualConsole *vc = opaque;
1205     GtkDisplayState *s = vc->s;
1206     int qcode;
1207     int i;
1208 
1209     if (s->ignore_keys) {
1210         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1211         return TRUE;
1212     }
1213 
1214 #ifdef WIN32
1215     /* on windows, we ought to ignore the reserved key event? */
1216     if (key->hardware_keycode == 0xff)
1217         return false;
1218 #endif
1219 
1220     if (key->keyval == GDK_KEY_Pause
1221 #ifdef G_OS_WIN32
1222         /* for some reason GDK does not fill keyval for VK_PAUSE
1223          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1224          */
1225         || key->hardware_keycode == VK_PAUSE
1226 #endif
1227         ) {
1228         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1229                                         key->type == GDK_KEY_PRESS);
1230         return TRUE;
1231     }
1232 
1233     qcode = gd_map_keycode(key->hardware_keycode);
1234 
1235     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1236                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1237 
1238     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1239         if (qcode == modifier_keycode[i]) {
1240             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1241         }
1242     }
1243 
1244     qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode,
1245                                     key->type == GDK_KEY_PRESS);
1246 
1247     return TRUE;
1248 }
1249 
1250 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1251 {
1252     if (event->type == GDK_MOTION_NOTIFY) {
1253         return gd_motion_event(widget, &event->motion, opaque);
1254     }
1255     return FALSE;
1256 }
1257 
1258 /** Window Menu Actions **/
1259 
1260 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1261 {
1262     GtkDisplayState *s = opaque;
1263 
1264     if (s->external_pause_update) {
1265         return;
1266     }
1267     if (runstate_is_running()) {
1268         qmp_stop(NULL);
1269     } else {
1270         qmp_cont(NULL);
1271     }
1272 }
1273 
1274 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1275 {
1276     qmp_system_reset(NULL);
1277 }
1278 
1279 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1280 {
1281     qmp_system_powerdown(NULL);
1282 }
1283 
1284 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1285 {
1286     qmp_quit(NULL);
1287 }
1288 
1289 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1290 {
1291     GtkDisplayState *s = opaque;
1292     VirtualConsole *vc = gd_vc_find_by_menu(s);
1293     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1294     gint page;
1295 
1296     gtk_release_modifiers(s);
1297     if (vc) {
1298         page = gtk_notebook_page_num(nb, vc->tab_item);
1299         gtk_notebook_set_current_page(nb, page);
1300         gtk_widget_grab_focus(vc->focus);
1301     }
1302     s->ignore_keys = false;
1303 }
1304 
1305 static void gd_accel_switch_vc(void *opaque)
1306 {
1307     VirtualConsole *vc = opaque;
1308 
1309     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1310 #if !GTK_CHECK_VERSION(3, 0, 0)
1311     /* GTK2 sends the accel key to the target console - ignore this until */
1312     vc->s->ignore_keys = true;
1313 #endif
1314 }
1315 
1316 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1317 {
1318     GtkDisplayState *s = opaque;
1319     VirtualConsole *vc = gd_vc_find_current(s);
1320 
1321     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1322         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1323     } else {
1324         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1325     }
1326     gd_update_windowsize(vc);
1327 }
1328 
1329 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1330                                     void *opaque)
1331 {
1332     VirtualConsole *vc = opaque;
1333     GtkDisplayState *s = vc->s;
1334 
1335     gtk_widget_set_sensitive(vc->menu_item, true);
1336     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1337     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1338                                     vc->tab_item, vc->label);
1339     gtk_widget_destroy(vc->window);
1340     vc->window = NULL;
1341     return TRUE;
1342 }
1343 
1344 static gboolean gd_win_grab(void *opaque)
1345 {
1346     VirtualConsole *vc = opaque;
1347 
1348     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1349     if (vc->s->ptr_owner) {
1350         gd_ungrab_pointer(vc->s);
1351     } else {
1352         gd_grab_pointer(vc, "user-request-detached-tab");
1353     }
1354     return TRUE;
1355 }
1356 
1357 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1358 {
1359     GtkDisplayState *s = opaque;
1360     VirtualConsole *vc = gd_vc_find_current(s);
1361 
1362     if (vc->type == GD_VC_GFX &&
1363         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1364         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1365                                        FALSE);
1366     }
1367     if (!vc->window) {
1368         gtk_widget_set_sensitive(vc->menu_item, false);
1369         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1370         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1371 
1372         g_signal_connect(vc->window, "delete-event",
1373                          G_CALLBACK(gd_tab_window_close), vc);
1374         gtk_widget_show_all(vc->window);
1375 
1376         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1377             GtkAccelGroup *ag = gtk_accel_group_new();
1378             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1379 
1380             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1381                                                vc, NULL);
1382             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1383         }
1384 
1385         gd_update_geometry_hints(vc);
1386         gd_update_caption(s);
1387     }
1388 }
1389 
1390 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1391 {
1392     GtkDisplayState *s = opaque;
1393     VirtualConsole *vc = gd_vc_find_current(s);
1394 
1395     if (!s->full_screen) {
1396         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1397         gtk_widget_hide(s->menu_bar);
1398         if (vc->type == GD_VC_GFX) {
1399             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1400         }
1401         gtk_window_fullscreen(GTK_WINDOW(s->window));
1402         s->full_screen = TRUE;
1403     } else {
1404         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1405         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1406         gtk_widget_show(s->menu_bar);
1407         s->full_screen = FALSE;
1408         if (vc->type == GD_VC_GFX) {
1409             vc->gfx.scale_x = 1.0;
1410             vc->gfx.scale_y = 1.0;
1411             gd_update_windowsize(vc);
1412         }
1413     }
1414 
1415     gd_update_cursor(vc);
1416 }
1417 
1418 static void gd_accel_full_screen(void *opaque)
1419 {
1420     GtkDisplayState *s = opaque;
1421     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1422 }
1423 
1424 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1425 {
1426     GtkDisplayState *s = opaque;
1427     VirtualConsole *vc = gd_vc_find_current(s);
1428 
1429     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1430                                    FALSE);
1431 
1432     vc->gfx.scale_x += VC_SCALE_STEP;
1433     vc->gfx.scale_y += VC_SCALE_STEP;
1434 
1435     gd_update_windowsize(vc);
1436 }
1437 
1438 static void gd_accel_zoom_in(void *opaque)
1439 {
1440     GtkDisplayState *s = opaque;
1441     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1442 }
1443 
1444 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1445 {
1446     GtkDisplayState *s = opaque;
1447     VirtualConsole *vc = gd_vc_find_current(s);
1448 
1449     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1450                                    FALSE);
1451 
1452     vc->gfx.scale_x -= VC_SCALE_STEP;
1453     vc->gfx.scale_y -= VC_SCALE_STEP;
1454 
1455     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1456     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1457 
1458     gd_update_windowsize(vc);
1459 }
1460 
1461 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1462 {
1463     GtkDisplayState *s = opaque;
1464     VirtualConsole *vc = gd_vc_find_current(s);
1465 
1466     vc->gfx.scale_x = 1.0;
1467     vc->gfx.scale_y = 1.0;
1468 
1469     gd_update_windowsize(vc);
1470 }
1471 
1472 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1473 {
1474     GtkDisplayState *s = opaque;
1475     VirtualConsole *vc = gd_vc_find_current(s);
1476 
1477     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1478         s->free_scale = TRUE;
1479     } else {
1480         s->free_scale = FALSE;
1481         vc->gfx.scale_x = 1.0;
1482         vc->gfx.scale_y = 1.0;
1483     }
1484 
1485     gd_update_windowsize(vc);
1486     gd_update_full_redraw(vc);
1487 }
1488 
1489 #if GTK_CHECK_VERSION(3, 20, 0)
1490 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1491 {
1492     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1493     GdkSeat *seat = gdk_display_get_default_seat(display);
1494     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1495     GdkSeatCapabilities caps = 0;
1496     GdkCursor *cursor = NULL;
1497 
1498     if (kbd) {
1499         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1500     }
1501     if (ptr) {
1502         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1503         cursor = vc->s->null_cursor;
1504     }
1505 
1506     if (caps) {
1507         gdk_seat_grab(seat, window, caps, false, cursor,
1508                       NULL, NULL, NULL);
1509     } else {
1510         gdk_seat_ungrab(seat);
1511     }
1512 }
1513 #elif GTK_CHECK_VERSION(3, 0, 0)
1514 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1515                             GdkInputSource source, GdkEventMask mask,
1516                             GdkCursor *cursor)
1517 {
1518     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1519     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1520     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1521     GList *tmp = devs;
1522 
1523     for (tmp = devs; tmp; tmp = tmp->next) {
1524         GdkDevice *dev = tmp->data;
1525         if (gdk_device_get_source(dev) != source) {
1526             continue;
1527         }
1528         if (grab) {
1529             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1530             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1531                             mask, cursor, GDK_CURRENT_TIME);
1532         } else {
1533             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1534         }
1535     }
1536     g_list_free(devs);
1537 }
1538 #endif
1539 
1540 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1541 {
1542     if (vc->s->kbd_owner) {
1543         if (vc->s->kbd_owner == vc) {
1544             return;
1545         } else {
1546             gd_ungrab_keyboard(vc->s);
1547         }
1548     }
1549 
1550 #if GTK_CHECK_VERSION(3, 20, 0)
1551     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1552 #elif GTK_CHECK_VERSION(3, 0, 0)
1553     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1554                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1555                    NULL);
1556 #else
1557     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1558                       FALSE,
1559                       GDK_CURRENT_TIME);
1560 #endif
1561     vc->s->kbd_owner = vc;
1562     gd_update_caption(vc->s);
1563     trace_gd_grab(vc->label, "kbd", reason);
1564 }
1565 
1566 static void gd_ungrab_keyboard(GtkDisplayState *s)
1567 {
1568     VirtualConsole *vc = s->kbd_owner;
1569 
1570     if (vc == NULL) {
1571         return;
1572     }
1573     s->kbd_owner = NULL;
1574 
1575 #if GTK_CHECK_VERSION(3, 20, 0)
1576     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1577 #elif GTK_CHECK_VERSION(3, 0, 0)
1578     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1579 #else
1580     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1581 #endif
1582     gd_update_caption(s);
1583     trace_gd_ungrab(vc->label, "kbd");
1584 }
1585 
1586 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1587 {
1588     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1589 
1590     if (vc->s->ptr_owner) {
1591         if (vc->s->ptr_owner == vc) {
1592             return;
1593         } else {
1594             gd_ungrab_pointer(vc->s);
1595         }
1596     }
1597 
1598 #if GTK_CHECK_VERSION(3, 20, 0)
1599     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1600     gdk_device_get_position(gd_get_pointer(display),
1601                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1602 #elif GTK_CHECK_VERSION(3, 0, 0)
1603     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1604                     GDK_POINTER_MOTION_MASK |
1605                     GDK_BUTTON_PRESS_MASK |
1606                     GDK_BUTTON_RELEASE_MASK |
1607                     GDK_BUTTON_MOTION_MASK |
1608                     GDK_SCROLL_MASK,
1609                     vc->s->null_cursor);
1610     gdk_device_get_position(gd_get_pointer(display),
1611                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1612 #else
1613     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1614                      FALSE, /* All events to come to our window directly */
1615                      GDK_POINTER_MOTION_MASK |
1616                      GDK_BUTTON_PRESS_MASK |
1617                      GDK_BUTTON_RELEASE_MASK |
1618                      GDK_BUTTON_MOTION_MASK |
1619                      GDK_SCROLL_MASK,
1620                      NULL, /* Allow cursor to move over entire desktop */
1621                      vc->s->null_cursor,
1622                      GDK_CURRENT_TIME);
1623     gdk_display_get_pointer(display, NULL,
1624                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1625 #endif
1626     vc->s->ptr_owner = vc;
1627     gd_update_caption(vc->s);
1628     trace_gd_grab(vc->label, "ptr", reason);
1629 }
1630 
1631 static void gd_ungrab_pointer(GtkDisplayState *s)
1632 {
1633     VirtualConsole *vc = s->ptr_owner;
1634     GdkDisplay *display;
1635 
1636     if (vc == NULL) {
1637         return;
1638     }
1639     s->ptr_owner = NULL;
1640 
1641     display = gtk_widget_get_display(vc->gfx.drawing_area);
1642 #if GTK_CHECK_VERSION(3, 20, 0)
1643     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1644     gdk_device_warp(gd_get_pointer(display),
1645                     gtk_widget_get_screen(vc->gfx.drawing_area),
1646                     vc->s->grab_x_root, vc->s->grab_y_root);
1647 #elif GTK_CHECK_VERSION(3, 0, 0)
1648     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1649     gdk_device_warp(gd_get_pointer(display),
1650                     gtk_widget_get_screen(vc->gfx.drawing_area),
1651                     vc->s->grab_x_root, vc->s->grab_y_root);
1652 #else
1653     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1654     gdk_display_warp_pointer(display,
1655                              gtk_widget_get_screen(vc->gfx.drawing_area),
1656                              vc->s->grab_x_root, vc->s->grab_y_root);
1657 #endif
1658     gd_update_caption(s);
1659     trace_gd_ungrab(vc->label, "ptr");
1660 }
1661 
1662 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1663 {
1664     GtkDisplayState *s = opaque;
1665     VirtualConsole *vc = gd_vc_find_current(s);
1666 
1667     if (gd_is_grab_active(s)) {
1668         gd_grab_keyboard(vc, "user-request-main-window");
1669         gd_grab_pointer(vc, "user-request-main-window");
1670     } else {
1671         gd_ungrab_keyboard(s);
1672         gd_ungrab_pointer(s);
1673     }
1674 
1675     gd_update_cursor(vc);
1676 }
1677 
1678 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1679                            gpointer data)
1680 {
1681     GtkDisplayState *s = data;
1682     VirtualConsole *vc;
1683     gboolean on_vga;
1684 
1685     if (!gtk_widget_get_realized(s->notebook)) {
1686         return;
1687     }
1688 
1689 #ifdef VTE_RESIZE_HACK
1690     vc = gd_vc_find_current(s);
1691     if (vc && vc->type == GD_VC_VTE) {
1692         gtk_widget_hide(vc->vte.terminal);
1693     }
1694 #endif
1695     vc = gd_vc_find_by_page(s, arg2);
1696     if (!vc) {
1697         return;
1698     }
1699 #ifdef VTE_RESIZE_HACK
1700     if (vc->type == GD_VC_VTE) {
1701         gtk_widget_show(vc->vte.terminal);
1702     }
1703 #endif
1704     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1705                                    TRUE);
1706     on_vga = (vc->type == GD_VC_GFX &&
1707               qemu_console_is_graphic(vc->gfx.dcl.con));
1708     if (!on_vga) {
1709         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1710                                        FALSE);
1711     } else if (s->full_screen) {
1712         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1713                                        TRUE);
1714     }
1715     gtk_widget_set_sensitive(s->grab_item, on_vga);
1716 #ifdef CONFIG_VTE
1717     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1718 #endif
1719 
1720     gd_update_windowsize(vc);
1721     gd_update_cursor(vc);
1722 }
1723 
1724 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1725                                gpointer opaque)
1726 {
1727     VirtualConsole *vc = opaque;
1728     GtkDisplayState *s = vc->s;
1729 
1730     if (gd_grab_on_hover(s)) {
1731         gd_grab_keyboard(vc, "grab-on-hover");
1732     }
1733     return TRUE;
1734 }
1735 
1736 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1737                                gpointer opaque)
1738 {
1739     VirtualConsole *vc = opaque;
1740     GtkDisplayState *s = vc->s;
1741 
1742     if (gd_grab_on_hover(s)) {
1743         gd_ungrab_keyboard(s);
1744     }
1745     return TRUE;
1746 }
1747 
1748 static gboolean gd_focus_out_event(GtkWidget *widget,
1749                                    GdkEventCrossing *crossing, gpointer opaque)
1750 {
1751     VirtualConsole *vc = opaque;
1752     GtkDisplayState *s = vc->s;
1753 
1754     gtk_release_modifiers(s);
1755     return TRUE;
1756 }
1757 
1758 static gboolean gd_configure(GtkWidget *widget,
1759                              GdkEventConfigure *cfg, gpointer opaque)
1760 {
1761     VirtualConsole *vc = opaque;
1762 
1763     gd_set_ui_info(vc, cfg->width, cfg->height);
1764     return FALSE;
1765 }
1766 
1767 /** Virtual Console Callbacks **/
1768 
1769 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1770                                int idx, GSList *group, GtkWidget *view_menu)
1771 {
1772     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1773     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1774             HOTKEY_MODIFIERS, 0,
1775             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1776 #if GTK_CHECK_VERSION(3, 8, 0)
1777     gtk_accel_label_set_accel(
1778             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1779             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1780 #endif
1781 
1782     g_signal_connect(vc->menu_item, "activate",
1783                      G_CALLBACK(gd_menu_switch_vc), s);
1784     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1785 
1786     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1787     return group;
1788 }
1789 
1790 #if defined(CONFIG_VTE)
1791 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1792 {
1793     GtkDisplayState *s = opaque;
1794     VirtualConsole *vc = gd_vc_find_current(s);
1795 
1796 #if VTE_CHECK_VERSION(0, 50, 0)
1797     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1798                                        VTE_FORMAT_TEXT);
1799 #else
1800     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1801 #endif
1802 }
1803 
1804 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1805 {
1806     VirtualConsole *vc = opaque;
1807 
1808     if (gtk_adjustment_get_upper(adjustment) >
1809         gtk_adjustment_get_page_size(adjustment)) {
1810         gtk_widget_show(vc->vte.scrollbar);
1811     } else {
1812         gtk_widget_hide(vc->vte.scrollbar);
1813     }
1814 }
1815 
1816 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1817 {
1818     VCChardev *vcd = VC_CHARDEV(chr);
1819     VirtualConsole *vc = vcd->console;
1820 
1821     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1822     return len;
1823 }
1824 
1825 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1826 {
1827     VCChardev *vcd = VC_CHARDEV(chr);
1828     VirtualConsole *vc = vcd->console;
1829 
1830     if (vc) {
1831         vc->vte.echo = echo;
1832     } else {
1833         vcd->echo = echo;
1834     }
1835 }
1836 
1837 static int nb_vcs;
1838 static Chardev *vcs[MAX_VCS];
1839 static void gd_vc_open(Chardev *chr,
1840                        ChardevBackend *backend,
1841                        bool *be_opened,
1842                        Error **errp)
1843 {
1844     if (nb_vcs == MAX_VCS) {
1845         error_setg(errp, "Maximum number of consoles reached");
1846         return;
1847     }
1848 
1849     vcs[nb_vcs++] = chr;
1850 
1851     /* console/chardev init sometimes completes elsewhere in a 2nd
1852      * stage, so defer OPENED events until they are fully initialized
1853      */
1854     *be_opened = false;
1855 }
1856 
1857 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1858 {
1859     ChardevClass *cc = CHARDEV_CLASS(oc);
1860 
1861     cc->parse = qemu_chr_parse_vc;
1862     cc->open = gd_vc_open;
1863     cc->chr_write = gd_vc_chr_write;
1864     cc->chr_set_echo = gd_vc_chr_set_echo;
1865 }
1866 
1867 static const TypeInfo char_gd_vc_type_info = {
1868     .name = TYPE_CHARDEV_VC,
1869     .parent = TYPE_CHARDEV,
1870     .instance_size = sizeof(VCChardev),
1871     .class_init = char_gd_vc_class_init,
1872 };
1873 
1874 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1875                          gpointer user_data)
1876 {
1877     VirtualConsole *vc = user_data;
1878 
1879     if (vc->vte.echo) {
1880         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1881         int i;
1882         for (i = 0; i < size; i++) {
1883             uint8_t c = text[i];
1884             if (c >= 128 || isprint(c)) {
1885                 /* 8-bit characters are considered printable.  */
1886                 vte_terminal_feed(term, &text[i], 1);
1887             } else if (c == '\r' || c == '\n') {
1888                 vte_terminal_feed(term, "\r\n", 2);
1889             } else {
1890                 char ctrl[2] = { '^', 0};
1891                 ctrl[1] = text[i] ^ 64;
1892                 vte_terminal_feed(term, ctrl, 2);
1893             }
1894         }
1895     }
1896 
1897     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1898     return TRUE;
1899 }
1900 
1901 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1902                               Chardev *chr, int idx,
1903                               GSList *group, GtkWidget *view_menu)
1904 {
1905     char buffer[32];
1906     GtkWidget *box;
1907     GtkWidget *scrollbar;
1908     GtkAdjustment *vadjustment;
1909     VCChardev *vcd = VC_CHARDEV(chr);
1910 
1911     vc->s = s;
1912     vc->vte.echo = vcd->echo;
1913     vc->vte.chr = chr;
1914     vcd->console = vc;
1915 
1916     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1917     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1918                                 ? vc->vte.chr->label : buffer);
1919     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1920 
1921     vc->vte.terminal = vte_terminal_new();
1922     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1923 
1924     /* The documentation says that the default is UTF-8, but actually it is
1925      * 7-bit ASCII at least in VTE 0.38.
1926      */
1927 #if VTE_CHECK_VERSION(0, 38, 0)
1928     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1929 #else
1930     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1931 #endif
1932 
1933     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1934     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1935                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1936 
1937 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1938     vadjustment = gtk_scrollable_get_vadjustment
1939         (GTK_SCROLLABLE(vc->vte.terminal));
1940 #else
1941     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1942 #endif
1943 
1944 #if GTK_CHECK_VERSION(3, 0, 0)
1945     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1946     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1947 #else
1948     box = gtk_hbox_new(false, 2);
1949     scrollbar = gtk_vscrollbar_new(vadjustment);
1950 #endif
1951 
1952     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1953     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1954 
1955     vc->vte.box = box;
1956     vc->vte.scrollbar = scrollbar;
1957 
1958     g_signal_connect(vadjustment, "changed",
1959                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1960 
1961     vc->type = GD_VC_VTE;
1962     vc->tab_item = box;
1963     vc->focus = vc->vte.terminal;
1964     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1965                              gtk_label_new(vc->label));
1966 
1967     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1968 
1969     return group;
1970 }
1971 
1972 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1973                         GtkWidget *view_menu)
1974 {
1975     int i;
1976 
1977     for (i = 0; i < nb_vcs; i++) {
1978         VirtualConsole *vc = &s->vc[s->nb_vcs];
1979         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1980         s->nb_vcs++;
1981     }
1982 }
1983 #endif /* CONFIG_VTE */
1984 
1985 /** Window Creation **/
1986 
1987 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1988 {
1989 #if GTK_CHECK_VERSION(3, 0, 0)
1990     g_signal_connect(vc->gfx.drawing_area, "draw",
1991                      G_CALLBACK(gd_draw_event), vc);
1992 #if defined(CONFIG_GTK_GL)
1993     if (gtk_use_gl_area) {
1994         /* wire up GtkGlArea events */
1995         g_signal_connect(vc->gfx.drawing_area, "render",
1996                          G_CALLBACK(gd_render_event), vc);
1997         g_signal_connect(vc->gfx.drawing_area, "resize",
1998                          G_CALLBACK(gd_resize_event), vc);
1999     }
2000 #endif
2001 #else
2002     g_signal_connect(vc->gfx.drawing_area, "expose-event",
2003                      G_CALLBACK(gd_expose_event), vc);
2004 #endif
2005     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
2006         g_signal_connect(vc->gfx.drawing_area, "event",
2007                          G_CALLBACK(gd_event), vc);
2008         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
2009                          G_CALLBACK(gd_button_event), vc);
2010         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
2011                          G_CALLBACK(gd_button_event), vc);
2012         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
2013                          G_CALLBACK(gd_scroll_event), vc);
2014         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2015                          G_CALLBACK(gd_key_event), vc);
2016         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
2017                          G_CALLBACK(gd_key_event), vc);
2018 
2019         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
2020                          G_CALLBACK(gd_enter_event), vc);
2021         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
2022                          G_CALLBACK(gd_leave_event), vc);
2023         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
2024                          G_CALLBACK(gd_focus_out_event), vc);
2025         g_signal_connect(vc->gfx.drawing_area, "configure-event",
2026                          G_CALLBACK(gd_configure), vc);
2027     } else {
2028         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2029                          G_CALLBACK(gd_text_key_down), vc);
2030     }
2031 }
2032 
2033 static void gd_connect_signals(GtkDisplayState *s)
2034 {
2035     g_signal_connect(s->show_tabs_item, "activate",
2036                      G_CALLBACK(gd_menu_show_tabs), s);
2037     g_signal_connect(s->untabify_item, "activate",
2038                      G_CALLBACK(gd_menu_untabify), s);
2039 
2040     g_signal_connect(s->window, "delete-event",
2041                      G_CALLBACK(gd_window_close), s);
2042 
2043     g_signal_connect(s->pause_item, "activate",
2044                      G_CALLBACK(gd_menu_pause), s);
2045     g_signal_connect(s->reset_item, "activate",
2046                      G_CALLBACK(gd_menu_reset), s);
2047     g_signal_connect(s->powerdown_item, "activate",
2048                      G_CALLBACK(gd_menu_powerdown), s);
2049     g_signal_connect(s->quit_item, "activate",
2050                      G_CALLBACK(gd_menu_quit), s);
2051 #if defined(CONFIG_VTE)
2052     g_signal_connect(s->copy_item, "activate",
2053                      G_CALLBACK(gd_menu_copy), s);
2054 #endif
2055     g_signal_connect(s->full_screen_item, "activate",
2056                      G_CALLBACK(gd_menu_full_screen), s);
2057     g_signal_connect(s->zoom_in_item, "activate",
2058                      G_CALLBACK(gd_menu_zoom_in), s);
2059     g_signal_connect(s->zoom_out_item, "activate",
2060                      G_CALLBACK(gd_menu_zoom_out), s);
2061     g_signal_connect(s->zoom_fixed_item, "activate",
2062                      G_CALLBACK(gd_menu_zoom_fixed), s);
2063     g_signal_connect(s->zoom_fit_item, "activate",
2064                      G_CALLBACK(gd_menu_zoom_fit), s);
2065     g_signal_connect(s->grab_item, "activate",
2066                      G_CALLBACK(gd_menu_grab_input), s);
2067     g_signal_connect(s->notebook, "switch-page",
2068                      G_CALLBACK(gd_change_page), s);
2069 }
2070 
2071 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2072 {
2073     GtkWidget *machine_menu;
2074     GtkWidget *separator;
2075 
2076     machine_menu = gtk_menu_new();
2077     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2078 
2079     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2080     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2081 
2082     separator = gtk_separator_menu_item_new();
2083     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2084 
2085     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2086     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2087 
2088     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2089     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2090 
2091     separator = gtk_separator_menu_item_new();
2092     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2093 
2094     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2095     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2096                                  "<QEMU>/Machine/Quit");
2097     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2098                             GDK_KEY_q, HOTKEY_MODIFIERS);
2099     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2100 
2101     return machine_menu;
2102 }
2103 
2104 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2105                               QemuConsole *con, int idx,
2106                               GSList *group, GtkWidget *view_menu)
2107 {
2108     vc->label = qemu_console_get_label(con);
2109     vc->s = s;
2110     vc->gfx.scale_x = 1.0;
2111     vc->gfx.scale_y = 1.0;
2112 
2113 #if defined(CONFIG_OPENGL)
2114     if (display_opengl) {
2115 #if defined(CONFIG_GTK_GL)
2116         if (gtk_use_gl_area) {
2117             vc->gfx.drawing_area = gtk_gl_area_new();
2118             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2119         } else
2120 #endif /* CONFIG_GTK_GL */
2121         {
2122             vc->gfx.drawing_area = gtk_drawing_area_new();
2123             /*
2124              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2125              * It is required for opengl rendering on X11 though.  A
2126              * proper replacement (native opengl support) is only
2127              * available in 3.16+.  Silence the warning if possible.
2128              */
2129 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2130 #pragma GCC diagnostic push
2131 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2132 #endif
2133             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2134 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2135 #pragma GCC diagnostic pop
2136 #endif
2137             vc->gfx.dcl.ops = &dcl_egl_ops;
2138         }
2139     } else
2140 #endif
2141     {
2142         vc->gfx.drawing_area = gtk_drawing_area_new();
2143         vc->gfx.dcl.ops = &dcl_ops;
2144     }
2145 
2146 
2147     gtk_widget_add_events(vc->gfx.drawing_area,
2148                           GDK_POINTER_MOTION_MASK |
2149                           GDK_BUTTON_PRESS_MASK |
2150                           GDK_BUTTON_RELEASE_MASK |
2151                           GDK_BUTTON_MOTION_MASK |
2152                           GDK_ENTER_NOTIFY_MASK |
2153                           GDK_LEAVE_NOTIFY_MASK |
2154                           GDK_SCROLL_MASK |
2155                           GDK_KEY_PRESS_MASK);
2156     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2157 
2158     vc->type = GD_VC_GFX;
2159     vc->tab_item = vc->gfx.drawing_area;
2160     vc->focus = vc->gfx.drawing_area;
2161     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2162                              vc->tab_item, gtk_label_new(vc->label));
2163 
2164     vc->gfx.dcl.con = con;
2165     register_displaychangelistener(&vc->gfx.dcl);
2166 
2167     gd_connect_vc_gfx_signals(vc);
2168     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2169 
2170     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2171         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2172         s->free_scale = true;
2173     }
2174 
2175     return group;
2176 }
2177 
2178 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2179 {
2180     GSList *group = NULL;
2181     GtkWidget *view_menu;
2182     GtkWidget *separator;
2183     QemuConsole *con;
2184     int vc;
2185 
2186     view_menu = gtk_menu_new();
2187     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2188 
2189     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2190 
2191 #if defined(CONFIG_VTE)
2192     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2193     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2194 #endif
2195 
2196     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2197             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2198 #if GTK_CHECK_VERSION(3, 8, 0)
2199     gtk_accel_label_set_accel(
2200             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2201             GDK_KEY_f, HOTKEY_MODIFIERS);
2202 #endif
2203     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2204 
2205     separator = gtk_separator_menu_item_new();
2206     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2207 
2208     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2209     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2210                                  "<QEMU>/View/Zoom In");
2211     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2212                             HOTKEY_MODIFIERS);
2213     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2214             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2215     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2216 
2217     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2218     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2219                                  "<QEMU>/View/Zoom Out");
2220     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2221                             HOTKEY_MODIFIERS);
2222     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2223 
2224     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2225     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2226                                  "<QEMU>/View/Zoom Fixed");
2227     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2228                             HOTKEY_MODIFIERS);
2229     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2230 
2231     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2232     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2233 
2234     separator = gtk_separator_menu_item_new();
2235     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2236 
2237     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2238     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2239 
2240     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2241     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2242                                  "<QEMU>/View/Grab Input");
2243     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2244                             HOTKEY_MODIFIERS);
2245     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2246 
2247     separator = gtk_separator_menu_item_new();
2248     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2249 
2250     /* gfx */
2251     for (vc = 0;; vc++) {
2252         con = qemu_console_lookup_by_index(vc);
2253         if (!con) {
2254             break;
2255         }
2256         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2257                                vc, group, view_menu);
2258         s->nb_vcs++;
2259     }
2260 
2261 #if defined(CONFIG_VTE)
2262     /* vte */
2263     gd_vcs_init(s, group, view_menu);
2264 #endif
2265 
2266     separator = gtk_separator_menu_item_new();
2267     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2268 
2269     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2270     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2271 
2272     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2273     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2274 
2275     return view_menu;
2276 }
2277 
2278 static void gd_create_menus(GtkDisplayState *s)
2279 {
2280     s->accel_group = gtk_accel_group_new();
2281     s->machine_menu = gd_create_menu_machine(s);
2282     s->view_menu = gd_create_menu_view(s);
2283 
2284     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2285     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2286                               s->machine_menu);
2287     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2288 
2289     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2290     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2291     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2292 
2293     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2294     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2295 }
2296 
2297 
2298 static gboolean gtkinit;
2299 
2300 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2301 {
2302     VirtualConsole *vc;
2303 
2304     GtkDisplayState *s = g_malloc0(sizeof(*s));
2305     char *filename;
2306     GdkDisplay *window_display;
2307 
2308     if (!gtkinit) {
2309         fprintf(stderr, "gtk initialization failed\n");
2310         exit(1);
2311     }
2312     assert(opts->type == DISPLAY_TYPE_GTK);
2313     s->opts = opts;
2314 
2315 #if !GTK_CHECK_VERSION(3, 0, 0)
2316     g_printerr("Running QEMU with GTK 2.x is deprecated, and will be removed\n"
2317                "in a future release. Please switch to GTK 3.x instead\n");
2318 #endif
2319 
2320     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2321 #if GTK_CHECK_VERSION(3, 2, 0)
2322     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2323 #else
2324     s->vbox = gtk_vbox_new(FALSE, 0);
2325 #endif
2326     s->notebook = gtk_notebook_new();
2327     s->menu_bar = gtk_menu_bar_new();
2328 
2329     s->free_scale = FALSE;
2330 
2331     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2332      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2333      * printable, but without changing any of the character classes to make
2334      * sure that we don't accidentally break implicit assumptions.  */
2335     setlocale(LC_MESSAGES, "");
2336     setlocale(LC_CTYPE, "C.UTF-8");
2337     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2338     textdomain("qemu");
2339 
2340     window_display = gtk_widget_get_display(s->window);
2341     s->null_cursor = gdk_cursor_new_for_display(window_display,
2342                                                 GDK_BLANK_CURSOR);
2343 
2344     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2345     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2346     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2347 
2348     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2349     if (filename) {
2350         GError *error = NULL;
2351         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2352         if (pixbuf) {
2353             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2354         } else {
2355             g_error_free(error);
2356         }
2357         g_free(filename);
2358     }
2359 
2360     gd_create_menus(s);
2361 
2362     gd_connect_signals(s);
2363 
2364     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2365     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2366 
2367     gd_update_caption(s);
2368 
2369     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2370     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2371 
2372     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2373 
2374     gtk_widget_show_all(s->window);
2375 
2376 #ifdef VTE_RESIZE_HACK
2377     {
2378         VirtualConsole *cur = gd_vc_find_current(s);
2379         if (cur) {
2380             int i;
2381 
2382             for (i = 0; i < s->nb_vcs; i++) {
2383                 VirtualConsole *vc = &s->vc[i];
2384                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2385                     gtk_widget_hide(vc->vte.terminal);
2386                 }
2387             }
2388             gd_update_windowsize(cur);
2389         }
2390     }
2391 #endif
2392 
2393     vc = gd_vc_find_current(s);
2394     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2395 #ifdef CONFIG_VTE
2396     gtk_widget_set_sensitive(s->copy_item,
2397                              vc && vc->type == GD_VC_VTE);
2398 #endif
2399 
2400     if (opts->has_full_screen &&
2401         opts->full_screen) {
2402         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2403     }
2404     if (opts->u.gtk.has_grab_on_hover &&
2405         opts->u.gtk.grab_on_hover) {
2406         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2407     }
2408 }
2409 
2410 static void early_gtk_display_init(DisplayOptions *opts)
2411 {
2412     /* The QEMU code relies on the assumption that it's always run in
2413      * the C locale. Therefore it is not prepared to deal with
2414      * operations that produce different results depending on the
2415      * locale, such as printf's formatting of decimal numbers, and
2416      * possibly others.
2417      *
2418      * Since GTK+ calls setlocale() by default -importing the locale
2419      * settings from the environment- we must prevent it from doing so
2420      * using gtk_disable_setlocale().
2421      *
2422      * QEMU's GTK+ UI, however, _does_ have translations for some of
2423      * the menu items. As a trade-off between a functionally correct
2424      * QEMU and a fully internationalized UI we support importing
2425      * LC_MESSAGES from the environment (see the setlocale() call
2426      * earlier in this file). This allows us to display translated
2427      * messages leaving everything else untouched.
2428      */
2429     gtk_disable_setlocale();
2430     gtkinit = gtk_init_check(NULL, NULL);
2431     if (!gtkinit) {
2432         /* don't exit yet, that'll break -help */
2433         return;
2434     }
2435 
2436     assert(opts->type == DISPLAY_TYPE_GTK);
2437     if (opts->has_gl && opts->gl) {
2438 #if defined(CONFIG_OPENGL)
2439 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2440         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2441             gtk_use_gl_area = true;
2442             gtk_gl_area_init();
2443         }
2444 #endif
2445         {
2446             gtk_egl_init();
2447         }
2448 #endif
2449     }
2450 
2451     keycode_map = gd_get_keymap(&keycode_maplen);
2452 
2453 #if defined(CONFIG_VTE)
2454     type_register(&char_gd_vc_type_info);
2455 #endif
2456 }
2457 
2458 static QemuDisplay qemu_display_gtk = {
2459     .type       = DISPLAY_TYPE_GTK,
2460     .early_init = early_gtk_display_init,
2461     .init       = gtk_display_init,
2462 };
2463 
2464 static void register_gtk(void)
2465 {
2466     qemu_display_register(&qemu_display_gtk);
2467 }
2468 
2469 type_init(register_gtk);
2470