xref: /openbmc/qemu/ui/gtk.c (revision 9af23989)
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 "qemu/cutils.h"
41 
42 #include "ui/console.h"
43 #include "ui/gtk.h"
44 
45 #include <glib/gi18n.h>
46 #include <locale.h>
47 #if defined(CONFIG_VTE)
48 #include <vte/vte.h>
49 #endif
50 #include <math.h>
51 
52 #include "trace.h"
53 #include "ui/input.h"
54 #include "sysemu/sysemu.h"
55 #include "qmp-commands.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 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
247 static void gd_ungrab_pointer(GtkDisplayState *s);
248 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
249 static void gd_ungrab_keyboard(GtkDisplayState *s);
250 
251 /** Utility Functions **/
252 
253 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
254 {
255     VirtualConsole *vc;
256     gint i;
257 
258     for (i = 0; i < s->nb_vcs; i++) {
259         vc = &s->vc[i];
260         if (gtk_check_menu_item_get_active
261             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
262             return vc;
263         }
264     }
265     return NULL;
266 }
267 
268 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
269 {
270     VirtualConsole *vc;
271     gint i, p;
272 
273     for (i = 0; i < s->nb_vcs; i++) {
274         vc = &s->vc[i];
275         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
276         if (p == page) {
277             return vc;
278         }
279     }
280     return NULL;
281 }
282 
283 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
284 {
285     gint page;
286 
287     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
288     return gd_vc_find_by_page(s, page);
289 }
290 
291 static bool gd_is_grab_active(GtkDisplayState *s)
292 {
293     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
294 }
295 
296 static bool gd_grab_on_hover(GtkDisplayState *s)
297 {
298     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
299 }
300 
301 static void gd_update_cursor(VirtualConsole *vc)
302 {
303     GtkDisplayState *s = vc->s;
304     GdkWindow *window;
305 
306     if (vc->type != GD_VC_GFX ||
307         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
308         return;
309     }
310 
311     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
312         return;
313     }
314 
315     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
316     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
317         gdk_window_set_cursor(window, s->null_cursor);
318     } else {
319         gdk_window_set_cursor(window, NULL);
320     }
321 }
322 
323 static void gd_update_caption(GtkDisplayState *s)
324 {
325     const char *status = "";
326     gchar *prefix;
327     gchar *title;
328     const char *grab = "";
329     bool is_paused = !runstate_is_running();
330     int i;
331 
332     if (qemu_name) {
333         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
334     } else {
335         prefix = g_strdup_printf("QEMU");
336     }
337 
338     if (s->ptr_owner != NULL &&
339         s->ptr_owner->window == NULL) {
340         grab = _(" - Press Ctrl+Alt+G to release grab");
341     }
342 
343     if (is_paused) {
344         status = _(" [Paused]");
345     }
346     s->external_pause_update = true;
347     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
348                                    is_paused);
349     s->external_pause_update = false;
350 
351     title = g_strdup_printf("%s%s%s", prefix, status, grab);
352     gtk_window_set_title(GTK_WINDOW(s->window), title);
353     g_free(title);
354 
355     for (i = 0; i < s->nb_vcs; i++) {
356         VirtualConsole *vc = &s->vc[i];
357 
358         if (!vc->window) {
359             continue;
360         }
361         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
362                                 vc == s->kbd_owner ? " +kbd" : "",
363                                 vc == s->ptr_owner ? " +ptr" : "");
364         gtk_window_set_title(GTK_WINDOW(vc->window), title);
365         g_free(title);
366     }
367 
368     g_free(prefix);
369 }
370 
371 static void gd_update_geometry_hints(VirtualConsole *vc)
372 {
373     GtkDisplayState *s = vc->s;
374     GdkWindowHints mask = 0;
375     GdkGeometry geo = {};
376     GtkWidget *geo_widget = NULL;
377     GtkWindow *geo_window;
378 
379     if (vc->type == GD_VC_GFX) {
380         if (!vc->gfx.ds) {
381             return;
382         }
383         if (s->free_scale) {
384             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
385             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
386             mask |= GDK_HINT_MIN_SIZE;
387         } else {
388             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
389             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
390             mask |= GDK_HINT_MIN_SIZE;
391         }
392         geo_widget = vc->gfx.drawing_area;
393         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
394 
395 #if defined(CONFIG_VTE)
396     } else if (vc->type == GD_VC_VTE) {
397         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
398         GtkBorder padding = { 0 };
399 
400 #if VTE_CHECK_VERSION(0, 37, 0)
401         gtk_style_context_get_padding(
402                 gtk_widget_get_style_context(vc->vte.terminal),
403                 gtk_widget_get_state_flags(vc->vte.terminal),
404                 &padding);
405 #else
406         {
407             GtkBorder *ib = NULL;
408             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
409             if (ib) {
410                 padding = *ib;
411                 gtk_border_free(ib);
412             }
413         }
414 #endif
415 
416         geo.width_inc  = vte_terminal_get_char_width(term);
417         geo.height_inc = vte_terminal_get_char_height(term);
418         mask |= GDK_HINT_RESIZE_INC;
419         geo.base_width  = geo.width_inc;
420         geo.base_height = geo.height_inc;
421         mask |= GDK_HINT_BASE_SIZE;
422         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
423         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
424         mask |= GDK_HINT_MIN_SIZE;
425 
426         geo.base_width  += padding.left + padding.right;
427         geo.base_height += padding.top + padding.bottom;
428         geo.min_width   += padding.left + padding.right;
429         geo.min_height  += padding.top + padding.bottom;
430         geo_widget = vc->vte.terminal;
431 #endif
432     }
433 
434     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
435     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
436 }
437 
438 void gd_update_windowsize(VirtualConsole *vc)
439 {
440     GtkDisplayState *s = vc->s;
441 
442     gd_update_geometry_hints(vc);
443 
444     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
445         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
446                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
447     }
448 }
449 
450 static void gd_update_full_redraw(VirtualConsole *vc)
451 {
452     GtkWidget *area = vc->gfx.drawing_area;
453     int ww, wh;
454     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
455 #if defined(CONFIG_GTK_GL)
456     if (vc->gfx.gls) {
457         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
458         return;
459     }
460 #endif
461     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
462 }
463 
464 static void gtk_release_modifiers(GtkDisplayState *s)
465 {
466     VirtualConsole *vc = gd_vc_find_current(s);
467     int i, qcode;
468 
469     if (vc->type != GD_VC_GFX ||
470         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
471         return;
472     }
473     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
474         qcode = modifier_keycode[i];
475         if (!s->modifier_pressed[i]) {
476             continue;
477         }
478         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode, false);
479         s->modifier_pressed[i] = false;
480     }
481 }
482 
483 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
484                                GtkWidget *widget)
485 {
486     g_object_ref(G_OBJECT(widget));
487     gtk_container_remove(GTK_CONTAINER(from), widget);
488     gtk_container_add(GTK_CONTAINER(to), widget);
489     g_object_unref(G_OBJECT(widget));
490 }
491 
492 /** DisplayState Callbacks **/
493 
494 static void gd_update(DisplayChangeListener *dcl,
495                       int x, int y, int w, int h)
496 {
497     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
498     GdkWindow *win;
499     int x1, x2, y1, y2;
500     int mx, my;
501     int fbw, fbh;
502     int ww, wh;
503 
504     trace_gd_update(vc->label, x, y, w, h);
505 
506     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
507         return;
508     }
509 
510     if (vc->gfx.convert) {
511         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
512                                NULL, vc->gfx.convert,
513                                x, y, 0, 0, x, y, w, h);
514     }
515 
516     x1 = floor(x * vc->gfx.scale_x);
517     y1 = floor(y * vc->gfx.scale_y);
518 
519     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
520     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
521 
522     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
523     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
524 
525     win = gtk_widget_get_window(vc->gfx.drawing_area);
526     if (!win) {
527         return;
528     }
529     gdk_drawable_get_size(win, &ww, &wh);
530 
531     mx = my = 0;
532     if (ww > fbw) {
533         mx = (ww - fbw) / 2;
534     }
535     if (wh > fbh) {
536         my = (wh - fbh) / 2;
537     }
538 
539     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
540                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
541 }
542 
543 static void gd_refresh(DisplayChangeListener *dcl)
544 {
545     graphic_hw_update(dcl->con);
546 }
547 
548 #if GTK_CHECK_VERSION(3, 0, 0)
549 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
550 {
551 #if GTK_CHECK_VERSION(3, 20, 0)
552     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
553 #else
554     return gdk_device_manager_get_client_pointer(
555         gdk_display_get_device_manager(dpy));
556 #endif
557 }
558 
559 static void gd_mouse_set(DisplayChangeListener *dcl,
560                          int x, int y, int visible)
561 {
562     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
563     GdkDisplay *dpy;
564     gint x_root, y_root;
565 
566     if (qemu_input_is_absolute()) {
567         return;
568     }
569 
570     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
571     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
572                                x, y, &x_root, &y_root);
573     gdk_device_warp(gd_get_pointer(dpy),
574                     gtk_widget_get_screen(vc->gfx.drawing_area),
575                     x_root, y_root);
576     vc->s->last_x = x;
577     vc->s->last_y = y;
578 }
579 #else
580 static void gd_mouse_set(DisplayChangeListener *dcl,
581                          int x, int y, int visible)
582 {
583     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
584     gint x_root, y_root;
585 
586     if (qemu_input_is_absolute()) {
587         return;
588     }
589 
590     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
591                                x, y, &x_root, &y_root);
592     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
593                              gtk_widget_get_screen(vc->gfx.drawing_area),
594                              x_root, y_root);
595 }
596 #endif
597 
598 static void gd_cursor_define(DisplayChangeListener *dcl,
599                              QEMUCursor *c)
600 {
601     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
602     GdkPixbuf *pixbuf;
603     GdkCursor *cursor;
604 
605     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
606         return;
607     }
608 
609     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
610                                       GDK_COLORSPACE_RGB, true, 8,
611                                       c->width, c->height, c->width * 4,
612                                       NULL, NULL);
613     cursor = gdk_cursor_new_from_pixbuf
614         (gtk_widget_get_display(vc->gfx.drawing_area),
615          pixbuf, c->hot_x, c->hot_y);
616     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
617     g_object_unref(pixbuf);
618 #if !GTK_CHECK_VERSION(3, 0, 0)
619     gdk_cursor_unref(cursor);
620 #else
621     g_object_unref(cursor);
622 #endif
623 }
624 
625 static void gd_switch(DisplayChangeListener *dcl,
626                       DisplaySurface *surface)
627 {
628     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
629     bool resized = true;
630 
631     trace_gd_switch(vc->label,
632                     surface ? surface_width(surface)  : 0,
633                     surface ? surface_height(surface) : 0);
634 
635     if (vc->gfx.surface) {
636         cairo_surface_destroy(vc->gfx.surface);
637         vc->gfx.surface = NULL;
638     }
639     if (vc->gfx.convert) {
640         pixman_image_unref(vc->gfx.convert);
641         vc->gfx.convert = NULL;
642     }
643 
644     if (vc->gfx.ds && surface &&
645         surface_width(vc->gfx.ds) == surface_width(surface) &&
646         surface_height(vc->gfx.ds) == surface_height(surface)) {
647         resized = false;
648     }
649     vc->gfx.ds = surface;
650 
651     if (!surface) {
652         return;
653     }
654 
655     if (surface->format == PIXMAN_x8r8g8b8) {
656         /*
657          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
658          *
659          * No need to convert, use surface directly.  Should be the
660          * common case as this is qemu_default_pixelformat(32) too.
661          */
662         vc->gfx.surface = cairo_image_surface_create_for_data
663             (surface_data(surface),
664              CAIRO_FORMAT_RGB24,
665              surface_width(surface),
666              surface_height(surface),
667              surface_stride(surface));
668     } else {
669         /* Must convert surface, use pixman to do it. */
670         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
671                                                    surface_width(surface),
672                                                    surface_height(surface),
673                                                    NULL, 0);
674         vc->gfx.surface = cairo_image_surface_create_for_data
675             ((void *)pixman_image_get_data(vc->gfx.convert),
676              CAIRO_FORMAT_RGB24,
677              pixman_image_get_width(vc->gfx.convert),
678              pixman_image_get_height(vc->gfx.convert),
679              pixman_image_get_stride(vc->gfx.convert));
680         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
681                                NULL, vc->gfx.convert,
682                                0, 0, 0, 0, 0, 0,
683                                pixman_image_get_width(vc->gfx.convert),
684                                pixman_image_get_height(vc->gfx.convert));
685     }
686 
687     if (resized) {
688         gd_update_windowsize(vc);
689     } else {
690         gd_update_full_redraw(vc);
691     }
692 }
693 
694 static const DisplayChangeListenerOps dcl_ops = {
695     .dpy_name             = "gtk",
696     .dpy_gfx_update       = gd_update,
697     .dpy_gfx_switch       = gd_switch,
698     .dpy_gfx_check_format = qemu_pixman_check_format,
699     .dpy_refresh          = gd_refresh,
700     .dpy_mouse_set        = gd_mouse_set,
701     .dpy_cursor_define    = gd_cursor_define,
702 };
703 
704 
705 #if defined(CONFIG_OPENGL)
706 
707 /** DisplayState Callbacks (opengl version) **/
708 
709 #if defined(CONFIG_GTK_GL)
710 
711 static const DisplayChangeListenerOps dcl_gl_area_ops = {
712     .dpy_name             = "gtk-egl",
713     .dpy_gfx_update       = gd_gl_area_update,
714     .dpy_gfx_switch       = gd_gl_area_switch,
715     .dpy_gfx_check_format = console_gl_check_format,
716     .dpy_refresh          = gd_gl_area_refresh,
717     .dpy_mouse_set        = gd_mouse_set,
718     .dpy_cursor_define    = gd_cursor_define,
719 
720     .dpy_gl_ctx_create       = gd_gl_area_create_context,
721     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
722     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
723     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
724     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
725     .dpy_gl_update           = gd_gl_area_scanout_flush,
726 };
727 
728 #else
729 
730 static const DisplayChangeListenerOps dcl_egl_ops = {
731     .dpy_name             = "gtk-egl",
732     .dpy_gfx_update       = gd_egl_update,
733     .dpy_gfx_switch       = gd_egl_switch,
734     .dpy_gfx_check_format = console_gl_check_format,
735     .dpy_refresh          = gd_egl_refresh,
736     .dpy_mouse_set        = gd_mouse_set,
737     .dpy_cursor_define    = gd_cursor_define,
738 
739     .dpy_gl_ctx_create       = gd_egl_create_context,
740     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
741     .dpy_gl_ctx_make_current = gd_egl_make_current,
742     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
743     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
744     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
745     .dpy_gl_update           = gd_egl_scanout_flush,
746 };
747 
748 #endif /* CONFIG_GTK_GL */
749 #endif /* CONFIG_OPENGL */
750 
751 /** QEMU Events **/
752 
753 static void gd_change_runstate(void *opaque, int running, RunState state)
754 {
755     GtkDisplayState *s = opaque;
756 
757     gd_update_caption(s);
758 }
759 
760 static void gd_mouse_mode_change(Notifier *notify, void *data)
761 {
762     GtkDisplayState *s;
763     int i;
764 
765     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
766     /* release the grab at switching to absolute mode */
767     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
768         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
769                                        FALSE);
770     }
771     for (i = 0; i < s->nb_vcs; i++) {
772         VirtualConsole *vc = &s->vc[i];
773         gd_update_cursor(vc);
774     }
775 }
776 
777 /** GTK Events **/
778 
779 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
780                                 void *opaque)
781 {
782     GtkDisplayState *s = opaque;
783     bool allow_close = true;
784     int i;
785 
786     if (s->opts->has_window_close && !s->opts->window_close) {
787         allow_close = false;
788     }
789 
790     if (allow_close) {
791         for (i = 0; i < s->nb_vcs; i++) {
792             if (s->vc[i].type != GD_VC_GFX) {
793                 continue;
794             }
795             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
796         }
797         qmp_quit(NULL);
798         return FALSE;
799     }
800 
801     return TRUE;
802 }
803 
804 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
805 {
806     QemuUIInfo info;
807 
808     memset(&info, 0, sizeof(info));
809     info.width = width;
810     info.height = height;
811     dpy_set_ui_info(vc->gfx.dcl.con, &info);
812 }
813 
814 #if defined(CONFIG_GTK_GL)
815 
816 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
817                                 void *opaque)
818 {
819     VirtualConsole *vc = opaque;
820 
821     if (vc->gfx.gls) {
822         gd_gl_area_draw(vc);
823     }
824     return TRUE;
825 }
826 
827 static void gd_resize_event(GtkGLArea *area,
828                             gint width, gint height, gpointer *opaque)
829 {
830     VirtualConsole *vc = (void *)opaque;
831 
832     gd_set_ui_info(vc, width, height);
833 }
834 
835 #endif
836 
837 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
838 {
839     VirtualConsole *vc = opaque;
840     GtkDisplayState *s = vc->s;
841     int mx, my;
842     int ww, wh;
843     int fbw, fbh;
844 
845 #if defined(CONFIG_OPENGL)
846     if (vc->gfx.gls) {
847 #if defined(CONFIG_GTK_GL)
848         /* invoke render callback please */
849         return FALSE;
850 #else
851         gd_egl_draw(vc);
852         return TRUE;
853 #endif
854     }
855 #endif
856 
857     if (!gtk_widget_get_realized(widget)) {
858         return FALSE;
859     }
860     if (!vc->gfx.ds) {
861         return FALSE;
862     }
863 
864     fbw = surface_width(vc->gfx.ds);
865     fbh = surface_height(vc->gfx.ds);
866 
867     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
868 
869     if (s->full_screen) {
870         vc->gfx.scale_x = (double)ww / fbw;
871         vc->gfx.scale_y = (double)wh / fbh;
872     } else if (s->free_scale) {
873         double sx, sy;
874 
875         sx = (double)ww / fbw;
876         sy = (double)wh / fbh;
877 
878         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
879     }
880 
881     fbw *= vc->gfx.scale_x;
882     fbh *= vc->gfx.scale_y;
883 
884     mx = my = 0;
885     if (ww > fbw) {
886         mx = (ww - fbw) / 2;
887     }
888     if (wh > fbh) {
889         my = (wh - fbh) / 2;
890     }
891 
892     cairo_rectangle(cr, 0, 0, ww, wh);
893 
894     /* Optionally cut out the inner area where the pixmap
895        will be drawn. This avoids 'flashing' since we're
896        not double-buffering. Note we're using the undocumented
897        behaviour of drawing the rectangle from right to left
898        to cut out the whole */
899     cairo_rectangle(cr, mx + fbw, my,
900                     -1 * fbw, fbh);
901     cairo_fill(cr);
902 
903     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
904     cairo_set_source_surface(cr, vc->gfx.surface,
905                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
906     cairo_paint(cr);
907 
908     return TRUE;
909 }
910 
911 #if !GTK_CHECK_VERSION(3, 0, 0)
912 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
913                                 void *opaque)
914 {
915     cairo_t *cr;
916     gboolean ret;
917 
918     cr = gdk_cairo_create(gtk_widget_get_window(widget));
919     cairo_rectangle(cr,
920                     expose->area.x,
921                     expose->area.y,
922                     expose->area.width,
923                     expose->area.height);
924     cairo_clip(cr);
925 
926     ret = gd_draw_event(widget, cr, opaque);
927 
928     cairo_destroy(cr);
929 
930     return ret;
931 }
932 #endif
933 
934 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
935                                 void *opaque)
936 {
937     VirtualConsole *vc = opaque;
938     GtkDisplayState *s = vc->s;
939     int x, y;
940     int mx, my;
941     int fbh, fbw;
942     int ww, wh;
943 
944     if (!vc->gfx.ds) {
945         return TRUE;
946     }
947 
948     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
949     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
950 
951     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
952                           &ww, &wh);
953 
954     mx = my = 0;
955     if (ww > fbw) {
956         mx = (ww - fbw) / 2;
957     }
958     if (wh > fbh) {
959         my = (wh - fbh) / 2;
960     }
961 
962     x = (motion->x - mx) / vc->gfx.scale_x;
963     y = (motion->y - my) / vc->gfx.scale_y;
964 
965     if (qemu_input_is_absolute()) {
966         if (x < 0 || y < 0 ||
967             x >= surface_width(vc->gfx.ds) ||
968             y >= surface_height(vc->gfx.ds)) {
969             return TRUE;
970         }
971         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
972                              0, surface_width(vc->gfx.ds));
973         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
974                              0, surface_height(vc->gfx.ds));
975         qemu_input_event_sync();
976     } else if (s->last_set && s->ptr_owner == vc) {
977         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
978         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
979         qemu_input_event_sync();
980     }
981     s->last_x = x;
982     s->last_y = y;
983     s->last_set = TRUE;
984 
985     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
986         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
987         int screen_width, screen_height;
988 
989         int x = (int)motion->x_root;
990         int y = (int)motion->y_root;
991 
992 #if GTK_CHECK_VERSION(3, 22, 0)
993         {
994             GdkDisplay *dpy = gtk_widget_get_display(widget);
995             GdkWindow *win = gtk_widget_get_window(widget);
996             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
997             GdkRectangle geometry;
998             gdk_monitor_get_geometry(monitor, &geometry);
999             screen_width = geometry.width;
1000             screen_height = geometry.height;
1001         }
1002 #else
1003         {
1004             screen_width = gdk_screen_get_width(screen);
1005             screen_height = gdk_screen_get_height(screen);
1006         }
1007 #endif
1008 
1009         /* In relative mode check to see if client pointer hit
1010          * one of the screen edges, and if so move it back by
1011          * 200 pixels. This is important because the pointer
1012          * in the server doesn't correspond 1-for-1, and so
1013          * may still be only half way across the screen. Without
1014          * this warp, the server pointer would thus appear to hit
1015          * an invisible wall */
1016         if (x == 0) {
1017             x += 200;
1018         }
1019         if (y == 0) {
1020             y += 200;
1021         }
1022         if (x == (screen_width - 1)) {
1023             x -= 200;
1024         }
1025         if (y == (screen_height - 1)) {
1026             y -= 200;
1027         }
1028 
1029         if (x != (int)motion->x_root || y != (int)motion->y_root) {
1030 #if GTK_CHECK_VERSION(3, 0, 0)
1031             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
1032             gdk_device_warp(dev, screen, x, y);
1033 #else
1034             GdkDisplay *display = gtk_widget_get_display(widget);
1035             gdk_display_warp_pointer(display, screen, x, y);
1036 #endif
1037             s->last_set = FALSE;
1038             return FALSE;
1039         }
1040     }
1041     return TRUE;
1042 }
1043 
1044 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
1045                                 void *opaque)
1046 {
1047     VirtualConsole *vc = opaque;
1048     GtkDisplayState *s = vc->s;
1049     InputButton btn;
1050 
1051     /* implicitly grab the input at the first click in the relative mode */
1052     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
1053         !qemu_input_is_absolute() && s->ptr_owner != vc) {
1054         if (!vc->window) {
1055             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1056                                            TRUE);
1057         } else {
1058             gd_grab_pointer(vc, "relative-mode-click");
1059         }
1060         return TRUE;
1061     }
1062 
1063     if (button->button == 1) {
1064         btn = INPUT_BUTTON_LEFT;
1065     } else if (button->button == 2) {
1066         btn = INPUT_BUTTON_MIDDLE;
1067     } else if (button->button == 3) {
1068         btn = INPUT_BUTTON_RIGHT;
1069     } else if (button->button == 8) {
1070         btn = INPUT_BUTTON_SIDE;
1071     } else if (button->button == 9) {
1072         btn = INPUT_BUTTON_EXTRA;
1073     } else {
1074         return TRUE;
1075     }
1076 
1077     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1078                          button->type == GDK_BUTTON_PRESS);
1079     qemu_input_event_sync();
1080     return TRUE;
1081 }
1082 
1083 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1084                                 void *opaque)
1085 {
1086     VirtualConsole *vc = opaque;
1087     InputButton btn;
1088 
1089     if (scroll->direction == GDK_SCROLL_UP) {
1090         btn = INPUT_BUTTON_WHEEL_UP;
1091     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1092         btn = INPUT_BUTTON_WHEEL_DOWN;
1093 #if GTK_CHECK_VERSION(3, 4, 0)
1094     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1095         gdouble delta_x, delta_y;
1096         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1097                                          &delta_x, &delta_y)) {
1098             return TRUE;
1099         }
1100         if (delta_y > 0) {
1101             btn = INPUT_BUTTON_WHEEL_DOWN;
1102         } else {
1103             btn = INPUT_BUTTON_WHEEL_UP;
1104         }
1105 #endif
1106     } else {
1107         return TRUE;
1108     }
1109 
1110     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1111     qemu_input_event_sync();
1112     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1113     qemu_input_event_sync();
1114     return TRUE;
1115 }
1116 
1117 
1118 static const guint16 *gd_get_keymap(size_t *maplen)
1119 {
1120     GdkDisplay *dpy = gdk_display_get_default();
1121 
1122 #ifdef GDK_WINDOWING_X11
1123     if (GDK_IS_X11_DISPLAY(dpy)) {
1124         trace_gd_keymap_windowing("x11");
1125         return qemu_xkeymap_mapping_table(
1126             gdk_x11_display_get_xdisplay(dpy), maplen);
1127     }
1128 #endif
1129 
1130 #ifdef GDK_WINDOWING_WAYLAND
1131     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1132         trace_gd_keymap_windowing("wayland");
1133         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1134         return qemu_input_map_xorgevdev_to_qcode;
1135     }
1136 #endif
1137 
1138 #ifdef GDK_WINDOWING_WIN32
1139     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1140         trace_gd_keymap_windowing("win32");
1141         *maplen = qemu_input_map_win32_to_qcode_len;
1142         return qemu_input_map_win32_to_qcode;
1143     }
1144 #endif
1145 
1146 #ifdef GDK_WINDOWING_QUARTZ
1147     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1148         trace_gd_keymap_windowing("quartz");
1149         *maplen = qemu_input_map_osx_to_qcode_len;
1150         return qemu_input_map_osx_to_qcode;
1151     }
1152 #endif
1153 
1154 #ifdef GDK_WINDOWING_BROADWAY
1155     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1156         trace_gd_keymap_windowing("broadway");
1157         g_warning("experimental: using broadway, x11 virtual keysym\n"
1158                   "mapping - with very limited support. See also\n"
1159                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1160         *maplen = qemu_input_map_x11_to_qcode_len;
1161         return qemu_input_map_x11_to_qcode;
1162     }
1163 #endif
1164 
1165     g_warning("Unsupported GDK Windowing platform.\n"
1166               "Disabling extended keycode tables.\n"
1167               "Please report to qemu-devel@nongnu.org\n"
1168               "including the following information:\n"
1169               "\n"
1170               "  - Operating system\n"
1171               "  - GDK Windowing system build\n");
1172     return NULL;
1173 }
1174 
1175 
1176 static int gd_map_keycode(int scancode)
1177 {
1178     if (!keycode_map) {
1179         return 0;
1180     }
1181     if (scancode > keycode_maplen) {
1182         return 0;
1183     }
1184 
1185     return keycode_map[scancode];
1186 }
1187 
1188 static gboolean gd_text_key_down(GtkWidget *widget,
1189                                  GdkEventKey *key, void *opaque)
1190 {
1191     VirtualConsole *vc = opaque;
1192     QemuConsole *con = vc->gfx.dcl.con;
1193 
1194     if (key->keyval == GDK_KEY_Delete) {
1195         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE);
1196     } else if (key->length) {
1197         kbd_put_string_console(con, key->string, key->length);
1198     } else {
1199         int qcode = gd_map_keycode(key->hardware_keycode);
1200         kbd_put_qcode_console(con, qcode);
1201     }
1202     return TRUE;
1203 }
1204 
1205 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1206 {
1207     VirtualConsole *vc = opaque;
1208     GtkDisplayState *s = vc->s;
1209     int qcode;
1210     int i;
1211 
1212     if (s->ignore_keys) {
1213         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1214         return TRUE;
1215     }
1216 
1217 #ifdef WIN32
1218     /* on windows, we ought to ignore the reserved key event? */
1219     if (key->hardware_keycode == 0xff)
1220         return false;
1221 #endif
1222 
1223     if (key->keyval == GDK_KEY_Pause
1224 #ifdef G_OS_WIN32
1225         /* for some reason GDK does not fill keyval for VK_PAUSE
1226          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1227          */
1228         || key->hardware_keycode == VK_PAUSE
1229 #endif
1230         ) {
1231         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1232                                         key->type == GDK_KEY_PRESS);
1233         return TRUE;
1234     }
1235 
1236     qcode = gd_map_keycode(key->hardware_keycode);
1237 
1238     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1239                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1240 
1241     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1242         if (qcode == modifier_keycode[i]) {
1243             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1244         }
1245     }
1246 
1247     qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode,
1248                                     key->type == GDK_KEY_PRESS);
1249 
1250     return TRUE;
1251 }
1252 
1253 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1254 {
1255     if (event->type == GDK_MOTION_NOTIFY) {
1256         return gd_motion_event(widget, &event->motion, opaque);
1257     }
1258     return FALSE;
1259 }
1260 
1261 /** Window Menu Actions **/
1262 
1263 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1264 {
1265     GtkDisplayState *s = opaque;
1266 
1267     if (s->external_pause_update) {
1268         return;
1269     }
1270     if (runstate_is_running()) {
1271         qmp_stop(NULL);
1272     } else {
1273         qmp_cont(NULL);
1274     }
1275 }
1276 
1277 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1278 {
1279     qmp_system_reset(NULL);
1280 }
1281 
1282 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1283 {
1284     qmp_system_powerdown(NULL);
1285 }
1286 
1287 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1288 {
1289     qmp_quit(NULL);
1290 }
1291 
1292 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1293 {
1294     GtkDisplayState *s = opaque;
1295     VirtualConsole *vc = gd_vc_find_by_menu(s);
1296     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1297     gint page;
1298 
1299     gtk_release_modifiers(s);
1300     if (vc) {
1301         page = gtk_notebook_page_num(nb, vc->tab_item);
1302         gtk_notebook_set_current_page(nb, page);
1303         gtk_widget_grab_focus(vc->focus);
1304     }
1305     s->ignore_keys = false;
1306 }
1307 
1308 static void gd_accel_switch_vc(void *opaque)
1309 {
1310     VirtualConsole *vc = opaque;
1311 
1312     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1313 #if !GTK_CHECK_VERSION(3, 0, 0)
1314     /* GTK2 sends the accel key to the target console - ignore this until */
1315     vc->s->ignore_keys = true;
1316 #endif
1317 }
1318 
1319 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1320 {
1321     GtkDisplayState *s = opaque;
1322     VirtualConsole *vc = gd_vc_find_current(s);
1323 
1324     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1325         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1326     } else {
1327         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1328     }
1329     gd_update_windowsize(vc);
1330 }
1331 
1332 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1333                                     void *opaque)
1334 {
1335     VirtualConsole *vc = opaque;
1336     GtkDisplayState *s = vc->s;
1337 
1338     gtk_widget_set_sensitive(vc->menu_item, true);
1339     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1340     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1341                                     vc->tab_item, vc->label);
1342     gtk_widget_destroy(vc->window);
1343     vc->window = NULL;
1344     return TRUE;
1345 }
1346 
1347 static gboolean gd_win_grab(void *opaque)
1348 {
1349     VirtualConsole *vc = opaque;
1350 
1351     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1352     if (vc->s->ptr_owner) {
1353         gd_ungrab_pointer(vc->s);
1354     } else {
1355         gd_grab_pointer(vc, "user-request-detached-tab");
1356     }
1357     return TRUE;
1358 }
1359 
1360 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1361 {
1362     GtkDisplayState *s = opaque;
1363     VirtualConsole *vc = gd_vc_find_current(s);
1364 
1365     if (vc->type == GD_VC_GFX &&
1366         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1367         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1368                                        FALSE);
1369     }
1370     if (!vc->window) {
1371         gtk_widget_set_sensitive(vc->menu_item, false);
1372         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1373         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1374 
1375         g_signal_connect(vc->window, "delete-event",
1376                          G_CALLBACK(gd_tab_window_close), vc);
1377         gtk_widget_show_all(vc->window);
1378 
1379         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1380             GtkAccelGroup *ag = gtk_accel_group_new();
1381             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1382 
1383             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1384                                                vc, NULL);
1385             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1386         }
1387 
1388         gd_update_geometry_hints(vc);
1389         gd_update_caption(s);
1390     }
1391 }
1392 
1393 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1394 {
1395     GtkDisplayState *s = opaque;
1396     VirtualConsole *vc = gd_vc_find_current(s);
1397 
1398     if (!s->full_screen) {
1399         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1400         gtk_widget_hide(s->menu_bar);
1401         if (vc->type == GD_VC_GFX) {
1402             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1403         }
1404         gtk_window_fullscreen(GTK_WINDOW(s->window));
1405         s->full_screen = TRUE;
1406     } else {
1407         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1408         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1409         gtk_widget_show(s->menu_bar);
1410         s->full_screen = FALSE;
1411         if (vc->type == GD_VC_GFX) {
1412             vc->gfx.scale_x = 1.0;
1413             vc->gfx.scale_y = 1.0;
1414             gd_update_windowsize(vc);
1415         }
1416     }
1417 
1418     gd_update_cursor(vc);
1419 }
1420 
1421 static void gd_accel_full_screen(void *opaque)
1422 {
1423     GtkDisplayState *s = opaque;
1424     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1425 }
1426 
1427 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1428 {
1429     GtkDisplayState *s = opaque;
1430     VirtualConsole *vc = gd_vc_find_current(s);
1431 
1432     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1433                                    FALSE);
1434 
1435     vc->gfx.scale_x += VC_SCALE_STEP;
1436     vc->gfx.scale_y += VC_SCALE_STEP;
1437 
1438     gd_update_windowsize(vc);
1439 }
1440 
1441 static void gd_accel_zoom_in(void *opaque)
1442 {
1443     GtkDisplayState *s = opaque;
1444     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1445 }
1446 
1447 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1448 {
1449     GtkDisplayState *s = opaque;
1450     VirtualConsole *vc = gd_vc_find_current(s);
1451 
1452     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1453                                    FALSE);
1454 
1455     vc->gfx.scale_x -= VC_SCALE_STEP;
1456     vc->gfx.scale_y -= VC_SCALE_STEP;
1457 
1458     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1459     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1460 
1461     gd_update_windowsize(vc);
1462 }
1463 
1464 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1465 {
1466     GtkDisplayState *s = opaque;
1467     VirtualConsole *vc = gd_vc_find_current(s);
1468 
1469     vc->gfx.scale_x = 1.0;
1470     vc->gfx.scale_y = 1.0;
1471 
1472     gd_update_windowsize(vc);
1473 }
1474 
1475 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1476 {
1477     GtkDisplayState *s = opaque;
1478     VirtualConsole *vc = gd_vc_find_current(s);
1479 
1480     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1481         s->free_scale = TRUE;
1482     } else {
1483         s->free_scale = FALSE;
1484         vc->gfx.scale_x = 1.0;
1485         vc->gfx.scale_y = 1.0;
1486     }
1487 
1488     gd_update_windowsize(vc);
1489     gd_update_full_redraw(vc);
1490 }
1491 
1492 #if GTK_CHECK_VERSION(3, 20, 0)
1493 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1494 {
1495     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1496     GdkSeat *seat = gdk_display_get_default_seat(display);
1497     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1498     GdkSeatCapabilities caps = 0;
1499     GdkCursor *cursor = NULL;
1500 
1501     if (kbd) {
1502         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1503     }
1504     if (ptr) {
1505         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1506         cursor = vc->s->null_cursor;
1507     }
1508 
1509     if (caps) {
1510         gdk_seat_grab(seat, window, caps, false, cursor,
1511                       NULL, NULL, NULL);
1512     } else {
1513         gdk_seat_ungrab(seat);
1514     }
1515 }
1516 #elif GTK_CHECK_VERSION(3, 0, 0)
1517 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1518                             GdkInputSource source, GdkEventMask mask,
1519                             GdkCursor *cursor)
1520 {
1521     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1522     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1523     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1524     GList *tmp = devs;
1525 
1526     for (tmp = devs; tmp; tmp = tmp->next) {
1527         GdkDevice *dev = tmp->data;
1528         if (gdk_device_get_source(dev) != source) {
1529             continue;
1530         }
1531         if (grab) {
1532             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1533             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1534                             mask, cursor, GDK_CURRENT_TIME);
1535         } else {
1536             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1537         }
1538     }
1539     g_list_free(devs);
1540 }
1541 #endif
1542 
1543 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1544 {
1545     if (vc->s->kbd_owner) {
1546         if (vc->s->kbd_owner == vc) {
1547             return;
1548         } else {
1549             gd_ungrab_keyboard(vc->s);
1550         }
1551     }
1552 
1553 #if GTK_CHECK_VERSION(3, 20, 0)
1554     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1555 #elif GTK_CHECK_VERSION(3, 0, 0)
1556     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1557                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1558                    NULL);
1559 #else
1560     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1561                       FALSE,
1562                       GDK_CURRENT_TIME);
1563 #endif
1564     vc->s->kbd_owner = vc;
1565     gd_update_caption(vc->s);
1566     trace_gd_grab(vc->label, "kbd", reason);
1567 }
1568 
1569 static void gd_ungrab_keyboard(GtkDisplayState *s)
1570 {
1571     VirtualConsole *vc = s->kbd_owner;
1572 
1573     if (vc == NULL) {
1574         return;
1575     }
1576     s->kbd_owner = NULL;
1577 
1578 #if GTK_CHECK_VERSION(3, 20, 0)
1579     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1580 #elif GTK_CHECK_VERSION(3, 0, 0)
1581     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1582 #else
1583     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1584 #endif
1585     gd_update_caption(s);
1586     trace_gd_ungrab(vc->label, "kbd");
1587 }
1588 
1589 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1590 {
1591     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1592 
1593     if (vc->s->ptr_owner) {
1594         if (vc->s->ptr_owner == vc) {
1595             return;
1596         } else {
1597             gd_ungrab_pointer(vc->s);
1598         }
1599     }
1600 
1601 #if GTK_CHECK_VERSION(3, 20, 0)
1602     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1603     gdk_device_get_position(gd_get_pointer(display),
1604                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1605 #elif GTK_CHECK_VERSION(3, 0, 0)
1606     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1607                     GDK_POINTER_MOTION_MASK |
1608                     GDK_BUTTON_PRESS_MASK |
1609                     GDK_BUTTON_RELEASE_MASK |
1610                     GDK_BUTTON_MOTION_MASK |
1611                     GDK_SCROLL_MASK,
1612                     vc->s->null_cursor);
1613     gdk_device_get_position(gd_get_pointer(display),
1614                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1615 #else
1616     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1617                      FALSE, /* All events to come to our window directly */
1618                      GDK_POINTER_MOTION_MASK |
1619                      GDK_BUTTON_PRESS_MASK |
1620                      GDK_BUTTON_RELEASE_MASK |
1621                      GDK_BUTTON_MOTION_MASK |
1622                      GDK_SCROLL_MASK,
1623                      NULL, /* Allow cursor to move over entire desktop */
1624                      vc->s->null_cursor,
1625                      GDK_CURRENT_TIME);
1626     gdk_display_get_pointer(display, NULL,
1627                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1628 #endif
1629     vc->s->ptr_owner = vc;
1630     gd_update_caption(vc->s);
1631     trace_gd_grab(vc->label, "ptr", reason);
1632 }
1633 
1634 static void gd_ungrab_pointer(GtkDisplayState *s)
1635 {
1636     VirtualConsole *vc = s->ptr_owner;
1637     GdkDisplay *display;
1638 
1639     if (vc == NULL) {
1640         return;
1641     }
1642     s->ptr_owner = NULL;
1643 
1644     display = gtk_widget_get_display(vc->gfx.drawing_area);
1645 #if GTK_CHECK_VERSION(3, 20, 0)
1646     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1647     gdk_device_warp(gd_get_pointer(display),
1648                     gtk_widget_get_screen(vc->gfx.drawing_area),
1649                     vc->s->grab_x_root, vc->s->grab_y_root);
1650 #elif GTK_CHECK_VERSION(3, 0, 0)
1651     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
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 #else
1656     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1657     gdk_display_warp_pointer(display,
1658                              gtk_widget_get_screen(vc->gfx.drawing_area),
1659                              vc->s->grab_x_root, vc->s->grab_y_root);
1660 #endif
1661     gd_update_caption(s);
1662     trace_gd_ungrab(vc->label, "ptr");
1663 }
1664 
1665 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1666 {
1667     GtkDisplayState *s = opaque;
1668     VirtualConsole *vc = gd_vc_find_current(s);
1669 
1670     if (gd_is_grab_active(s)) {
1671         gd_grab_keyboard(vc, "user-request-main-window");
1672         gd_grab_pointer(vc, "user-request-main-window");
1673     } else {
1674         gd_ungrab_keyboard(s);
1675         gd_ungrab_pointer(s);
1676     }
1677 
1678     gd_update_cursor(vc);
1679 }
1680 
1681 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1682                            gpointer data)
1683 {
1684     GtkDisplayState *s = data;
1685     VirtualConsole *vc;
1686     gboolean on_vga;
1687 
1688     if (!gtk_widget_get_realized(s->notebook)) {
1689         return;
1690     }
1691 
1692 #ifdef VTE_RESIZE_HACK
1693     vc = gd_vc_find_current(s);
1694     if (vc && vc->type == GD_VC_VTE) {
1695         gtk_widget_hide(vc->vte.terminal);
1696     }
1697 #endif
1698     vc = gd_vc_find_by_page(s, arg2);
1699     if (!vc) {
1700         return;
1701     }
1702 #ifdef VTE_RESIZE_HACK
1703     if (vc->type == GD_VC_VTE) {
1704         gtk_widget_show(vc->vte.terminal);
1705     }
1706 #endif
1707     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1708                                    TRUE);
1709     on_vga = (vc->type == GD_VC_GFX &&
1710               qemu_console_is_graphic(vc->gfx.dcl.con));
1711     if (!on_vga) {
1712         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1713                                        FALSE);
1714     } else if (s->full_screen) {
1715         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1716                                        TRUE);
1717     }
1718     gtk_widget_set_sensitive(s->grab_item, on_vga);
1719 #ifdef CONFIG_VTE
1720     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1721 #endif
1722 
1723     gd_update_windowsize(vc);
1724     gd_update_cursor(vc);
1725 }
1726 
1727 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1728                                gpointer opaque)
1729 {
1730     VirtualConsole *vc = opaque;
1731     GtkDisplayState *s = vc->s;
1732 
1733     if (gd_grab_on_hover(s)) {
1734         gd_grab_keyboard(vc, "grab-on-hover");
1735     }
1736     return TRUE;
1737 }
1738 
1739 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1740                                gpointer opaque)
1741 {
1742     VirtualConsole *vc = opaque;
1743     GtkDisplayState *s = vc->s;
1744 
1745     if (gd_grab_on_hover(s)) {
1746         gd_ungrab_keyboard(s);
1747     }
1748     return TRUE;
1749 }
1750 
1751 static gboolean gd_focus_out_event(GtkWidget *widget,
1752                                    GdkEventCrossing *crossing, gpointer opaque)
1753 {
1754     VirtualConsole *vc = opaque;
1755     GtkDisplayState *s = vc->s;
1756 
1757     gtk_release_modifiers(s);
1758     return TRUE;
1759 }
1760 
1761 static gboolean gd_configure(GtkWidget *widget,
1762                              GdkEventConfigure *cfg, gpointer opaque)
1763 {
1764     VirtualConsole *vc = opaque;
1765 
1766     gd_set_ui_info(vc, cfg->width, cfg->height);
1767     return FALSE;
1768 }
1769 
1770 /** Virtual Console Callbacks **/
1771 
1772 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1773                                int idx, GSList *group, GtkWidget *view_menu)
1774 {
1775     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1776     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1777             HOTKEY_MODIFIERS, 0,
1778             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1779 #if GTK_CHECK_VERSION(3, 8, 0)
1780     gtk_accel_label_set_accel(
1781             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1782             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1783 #endif
1784 
1785     g_signal_connect(vc->menu_item, "activate",
1786                      G_CALLBACK(gd_menu_switch_vc), s);
1787     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1788 
1789     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1790     return group;
1791 }
1792 
1793 #if defined(CONFIG_VTE)
1794 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1795 {
1796     GtkDisplayState *s = opaque;
1797     VirtualConsole *vc = gd_vc_find_current(s);
1798 
1799 #if VTE_CHECK_VERSION(0, 50, 0)
1800     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1801                                        VTE_FORMAT_TEXT);
1802 #else
1803     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1804 #endif
1805 }
1806 
1807 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1808 {
1809     VirtualConsole *vc = opaque;
1810 
1811     if (gtk_adjustment_get_upper(adjustment) >
1812         gtk_adjustment_get_page_size(adjustment)) {
1813         gtk_widget_show(vc->vte.scrollbar);
1814     } else {
1815         gtk_widget_hide(vc->vte.scrollbar);
1816     }
1817 }
1818 
1819 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1820 {
1821     VCChardev *vcd = VC_CHARDEV(chr);
1822     VirtualConsole *vc = vcd->console;
1823 
1824     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1825     return len;
1826 }
1827 
1828 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1829 {
1830     VCChardev *vcd = VC_CHARDEV(chr);
1831     VirtualConsole *vc = vcd->console;
1832 
1833     if (vc) {
1834         vc->vte.echo = echo;
1835     } else {
1836         vcd->echo = echo;
1837     }
1838 }
1839 
1840 static int nb_vcs;
1841 static Chardev *vcs[MAX_VCS];
1842 static void gd_vc_open(Chardev *chr,
1843                        ChardevBackend *backend,
1844                        bool *be_opened,
1845                        Error **errp)
1846 {
1847     if (nb_vcs == MAX_VCS) {
1848         error_setg(errp, "Maximum number of consoles reached");
1849         return;
1850     }
1851 
1852     vcs[nb_vcs++] = chr;
1853 
1854     /* console/chardev init sometimes completes elsewhere in a 2nd
1855      * stage, so defer OPENED events until they are fully initialized
1856      */
1857     *be_opened = false;
1858 }
1859 
1860 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1861 {
1862     ChardevClass *cc = CHARDEV_CLASS(oc);
1863 
1864     cc->parse = qemu_chr_parse_vc;
1865     cc->open = gd_vc_open;
1866     cc->chr_write = gd_vc_chr_write;
1867     cc->chr_set_echo = gd_vc_chr_set_echo;
1868 }
1869 
1870 static const TypeInfo char_gd_vc_type_info = {
1871     .name = TYPE_CHARDEV_VC,
1872     .parent = TYPE_CHARDEV,
1873     .instance_size = sizeof(VCChardev),
1874     .class_init = char_gd_vc_class_init,
1875 };
1876 
1877 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1878                          gpointer user_data)
1879 {
1880     VirtualConsole *vc = user_data;
1881 
1882     if (vc->vte.echo) {
1883         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1884         int i;
1885         for (i = 0; i < size; i++) {
1886             uint8_t c = text[i];
1887             if (c >= 128 || isprint(c)) {
1888                 /* 8-bit characters are considered printable.  */
1889                 vte_terminal_feed(term, &text[i], 1);
1890             } else if (c == '\r' || c == '\n') {
1891                 vte_terminal_feed(term, "\r\n", 2);
1892             } else {
1893                 char ctrl[2] = { '^', 0};
1894                 ctrl[1] = text[i] ^ 64;
1895                 vte_terminal_feed(term, ctrl, 2);
1896             }
1897         }
1898     }
1899 
1900     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1901     return TRUE;
1902 }
1903 
1904 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1905                               Chardev *chr, int idx,
1906                               GSList *group, GtkWidget *view_menu)
1907 {
1908     char buffer[32];
1909     GtkWidget *box;
1910     GtkWidget *scrollbar;
1911     GtkAdjustment *vadjustment;
1912     VCChardev *vcd = VC_CHARDEV(chr);
1913 
1914     vc->s = s;
1915     vc->vte.echo = vcd->echo;
1916     vc->vte.chr = chr;
1917     vcd->console = vc;
1918 
1919     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1920     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1921                                 ? vc->vte.chr->label : buffer);
1922     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1923 
1924     vc->vte.terminal = vte_terminal_new();
1925     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1926 
1927     /* The documentation says that the default is UTF-8, but actually it is
1928      * 7-bit ASCII at least in VTE 0.38.
1929      */
1930 #if VTE_CHECK_VERSION(0, 38, 0)
1931     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1932 #else
1933     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1934 #endif
1935 
1936     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1937     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1938                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1939 
1940 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1941     vadjustment = gtk_scrollable_get_vadjustment
1942         (GTK_SCROLLABLE(vc->vte.terminal));
1943 #else
1944     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1945 #endif
1946 
1947 #if GTK_CHECK_VERSION(3, 0, 0)
1948     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1949     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1950 #else
1951     box = gtk_hbox_new(false, 2);
1952     scrollbar = gtk_vscrollbar_new(vadjustment);
1953 #endif
1954 
1955     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1956     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1957 
1958     vc->vte.box = box;
1959     vc->vte.scrollbar = scrollbar;
1960 
1961     g_signal_connect(vadjustment, "changed",
1962                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1963 
1964     vc->type = GD_VC_VTE;
1965     vc->tab_item = box;
1966     vc->focus = vc->vte.terminal;
1967     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1968                              gtk_label_new(vc->label));
1969 
1970     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1971 
1972     return group;
1973 }
1974 
1975 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1976                         GtkWidget *view_menu)
1977 {
1978     int i;
1979 
1980     for (i = 0; i < nb_vcs; i++) {
1981         VirtualConsole *vc = &s->vc[s->nb_vcs];
1982         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1983         s->nb_vcs++;
1984     }
1985 }
1986 #endif /* CONFIG_VTE */
1987 
1988 /** Window Creation **/
1989 
1990 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1991 {
1992 #if GTK_CHECK_VERSION(3, 0, 0)
1993     g_signal_connect(vc->gfx.drawing_area, "draw",
1994                      G_CALLBACK(gd_draw_event), vc);
1995 #if defined(CONFIG_GTK_GL)
1996     if (display_opengl) {
1997         /* wire up GtkGlArea events */
1998         g_signal_connect(vc->gfx.drawing_area, "render",
1999                          G_CALLBACK(gd_render_event), vc);
2000         g_signal_connect(vc->gfx.drawing_area, "resize",
2001                          G_CALLBACK(gd_resize_event), vc);
2002     }
2003 #endif
2004 #else
2005     g_signal_connect(vc->gfx.drawing_area, "expose-event",
2006                      G_CALLBACK(gd_expose_event), vc);
2007 #endif
2008     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
2009         g_signal_connect(vc->gfx.drawing_area, "event",
2010                          G_CALLBACK(gd_event), vc);
2011         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
2012                          G_CALLBACK(gd_button_event), vc);
2013         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
2014                          G_CALLBACK(gd_button_event), vc);
2015         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
2016                          G_CALLBACK(gd_scroll_event), vc);
2017         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2018                          G_CALLBACK(gd_key_event), vc);
2019         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
2020                          G_CALLBACK(gd_key_event), vc);
2021 
2022         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
2023                          G_CALLBACK(gd_enter_event), vc);
2024         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
2025                          G_CALLBACK(gd_leave_event), vc);
2026         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
2027                          G_CALLBACK(gd_focus_out_event), vc);
2028         g_signal_connect(vc->gfx.drawing_area, "configure-event",
2029                          G_CALLBACK(gd_configure), vc);
2030     } else {
2031         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2032                          G_CALLBACK(gd_text_key_down), vc);
2033     }
2034 }
2035 
2036 static void gd_connect_signals(GtkDisplayState *s)
2037 {
2038     g_signal_connect(s->show_tabs_item, "activate",
2039                      G_CALLBACK(gd_menu_show_tabs), s);
2040     g_signal_connect(s->untabify_item, "activate",
2041                      G_CALLBACK(gd_menu_untabify), s);
2042 
2043     g_signal_connect(s->window, "delete-event",
2044                      G_CALLBACK(gd_window_close), s);
2045 
2046     g_signal_connect(s->pause_item, "activate",
2047                      G_CALLBACK(gd_menu_pause), s);
2048     g_signal_connect(s->reset_item, "activate",
2049                      G_CALLBACK(gd_menu_reset), s);
2050     g_signal_connect(s->powerdown_item, "activate",
2051                      G_CALLBACK(gd_menu_powerdown), s);
2052     g_signal_connect(s->quit_item, "activate",
2053                      G_CALLBACK(gd_menu_quit), s);
2054 #if defined(CONFIG_VTE)
2055     g_signal_connect(s->copy_item, "activate",
2056                      G_CALLBACK(gd_menu_copy), s);
2057 #endif
2058     g_signal_connect(s->full_screen_item, "activate",
2059                      G_CALLBACK(gd_menu_full_screen), s);
2060     g_signal_connect(s->zoom_in_item, "activate",
2061                      G_CALLBACK(gd_menu_zoom_in), s);
2062     g_signal_connect(s->zoom_out_item, "activate",
2063                      G_CALLBACK(gd_menu_zoom_out), s);
2064     g_signal_connect(s->zoom_fixed_item, "activate",
2065                      G_CALLBACK(gd_menu_zoom_fixed), s);
2066     g_signal_connect(s->zoom_fit_item, "activate",
2067                      G_CALLBACK(gd_menu_zoom_fit), s);
2068     g_signal_connect(s->grab_item, "activate",
2069                      G_CALLBACK(gd_menu_grab_input), s);
2070     g_signal_connect(s->notebook, "switch-page",
2071                      G_CALLBACK(gd_change_page), s);
2072 }
2073 
2074 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2075 {
2076     GtkWidget *machine_menu;
2077     GtkWidget *separator;
2078 
2079     machine_menu = gtk_menu_new();
2080     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2081 
2082     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2083     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2084 
2085     separator = gtk_separator_menu_item_new();
2086     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2087 
2088     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2089     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2090 
2091     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2092     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2093 
2094     separator = gtk_separator_menu_item_new();
2095     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2096 
2097     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2098     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2099                                  "<QEMU>/Machine/Quit");
2100     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2101                             GDK_KEY_q, HOTKEY_MODIFIERS);
2102     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2103 
2104     return machine_menu;
2105 }
2106 
2107 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2108                               QemuConsole *con, int idx,
2109                               GSList *group, GtkWidget *view_menu)
2110 {
2111     vc->label = qemu_console_get_label(con);
2112     vc->s = s;
2113     vc->gfx.scale_x = 1.0;
2114     vc->gfx.scale_y = 1.0;
2115 
2116 #if defined(CONFIG_OPENGL)
2117     if (display_opengl) {
2118 #if defined(CONFIG_GTK_GL)
2119         vc->gfx.drawing_area = gtk_gl_area_new();
2120         vc->gfx.dcl.ops = &dcl_gl_area_ops;
2121 #else
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 #endif /* CONFIG_GTK_GL */
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 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 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)
2440         gtk_gl_area_init();
2441 #else
2442         gtk_egl_init();
2443 #endif
2444 #endif
2445     }
2446 
2447     keycode_map = gd_get_keymap(&keycode_maplen);
2448 
2449 #if defined(CONFIG_VTE)
2450     type_register(&char_gd_vc_type_info);
2451 #endif
2452 }
2453