xref: /openbmc/qemu/ui/gtk.c (revision 16d91e06b37fca0772866e12d4e146a519841b0f)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
21  *
22  * Portions from gtk-vnc (originally licensed under the LGPL v2+):
23  *
24  * GTK VNC Widget
25  *
26  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
27  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
28  */
29 
30 #define GETTEXT_PACKAGE "qemu"
31 #define LOCALEDIR "po"
32 
33 #include "qemu/osdep.h"
34 #include "qapi/error.h"
35 #include "qapi/qapi-commands-control.h"
36 #include "qapi/qapi-commands-machine.h"
37 #include "qapi/qapi-commands-misc.h"
38 #include "qemu/cutils.h"
39 #include "qemu/main-loop.h"
40 
41 #include "ui/console.h"
42 #include "ui/gtk.h"
43 #ifdef G_OS_WIN32
44 #include <gdk/gdkwin32.h>
45 #endif
46 #include "ui/win32-kbd-hook.h"
47 
48 #include <glib/gi18n.h>
49 #include <locale.h>
50 #if defined(CONFIG_VTE)
51 #include <vte/vte.h>
52 #endif
53 #include <math.h>
54 
55 #include "trace.h"
56 #include "qemu/cutils.h"
57 #include "ui/input.h"
58 #include "sysemu/runstate.h"
59 #include "sysemu/sysemu.h"
60 #include "keymaps.h"
61 #include "chardev/char.h"
62 #include "qom/object.h"
63 
64 #define VC_WINDOW_X_MIN  320
65 #define VC_WINDOW_Y_MIN  240
66 #define VC_TERM_X_MIN     80
67 #define VC_TERM_Y_MIN     25
68 #define VC_SCALE_MIN    0.25
69 #define VC_SCALE_STEP   0.25
70 
71 #ifdef GDK_WINDOWING_X11
72 #include "x_keymap.h"
73 
74 /* Gtk2 compat */
75 #ifndef GDK_IS_X11_DISPLAY
76 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
77 #endif
78 #endif
79 
80 
81 #ifdef GDK_WINDOWING_WAYLAND
82 /* Gtk2 compat */
83 #ifndef GDK_IS_WAYLAND_DISPLAY
84 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
85 #endif
86 #endif
87 
88 
89 #ifdef GDK_WINDOWING_WIN32
90 /* Gtk2 compat */
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
93 #endif
94 #endif
95 
96 
97 #ifdef GDK_WINDOWING_BROADWAY
98 /* Gtk2 compat */
99 #ifndef GDK_IS_BROADWAY_DISPLAY
100 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
101 #endif
102 #endif
103 
104 
105 #ifdef GDK_WINDOWING_QUARTZ
106 /* Gtk2 compat */
107 #ifndef GDK_IS_QUARTZ_DISPLAY
108 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
109 #endif
110 #endif
111 
112 
113 #if !defined(CONFIG_VTE)
114 # define VTE_CHECK_VERSION(a, b, c) 0
115 #endif
116 
117 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
118 
119 static const guint16 *keycode_map;
120 static size_t keycode_maplen;
121 
122 struct VCChardev {
123     Chardev parent;
124     VirtualConsole *console;
125     bool echo;
126 };
127 typedef struct VCChardev VCChardev;
128 
129 #define TYPE_CHARDEV_VC "chardev-vc"
130 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
131                          TYPE_CHARDEV_VC)
132 
133 bool gtk_use_gl_area;
134 
135 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
136 static void gd_ungrab_pointer(GtkDisplayState *s);
137 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
138 static void gd_ungrab_keyboard(GtkDisplayState *s);
139 
140 /** Utility Functions **/
141 
142 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
143 {
144     VirtualConsole *vc;
145     gint i;
146 
147     for (i = 0; i < s->nb_vcs; i++) {
148         vc = &s->vc[i];
149         if (gtk_check_menu_item_get_active
150             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
151             return vc;
152         }
153     }
154     return NULL;
155 }
156 
157 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
158 {
159     VirtualConsole *vc;
160     gint i, p;
161 
162     for (i = 0; i < s->nb_vcs; i++) {
163         vc = &s->vc[i];
164         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
165         if (p == page) {
166             return vc;
167         }
168     }
169     return NULL;
170 }
171 
172 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
173 {
174     gint page;
175 
176     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
177     return gd_vc_find_by_page(s, page);
178 }
179 
180 static bool gd_is_grab_active(GtkDisplayState *s)
181 {
182     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
183 }
184 
185 static bool gd_grab_on_hover(GtkDisplayState *s)
186 {
187     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
188 }
189 
190 static void gd_update_cursor(VirtualConsole *vc)
191 {
192     GtkDisplayState *s = vc->s;
193     GdkWindow *window;
194 
195     if (vc->type != GD_VC_GFX ||
196         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
197         return;
198     }
199 
200     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
201         return;
202     }
203 
204     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
205     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
206         gdk_window_set_cursor(window, s->null_cursor);
207     } else {
208         gdk_window_set_cursor(window, NULL);
209     }
210 }
211 
212 static void gd_update_caption(GtkDisplayState *s)
213 {
214     const char *status = "";
215     gchar *prefix;
216     gchar *title;
217     const char *grab = "";
218     bool is_paused = !runstate_is_running();
219     int i;
220 
221     if (qemu_name) {
222         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
223     } else {
224         prefix = g_strdup_printf("QEMU");
225     }
226 
227     if (s->ptr_owner != NULL &&
228         s->ptr_owner->window == NULL) {
229         grab = _(" - Press Ctrl+Alt+G to release grab");
230     }
231 
232     if (is_paused) {
233         status = _(" [Paused]");
234     }
235     s->external_pause_update = true;
236     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
237                                    is_paused);
238     s->external_pause_update = false;
239 
240     title = g_strdup_printf("%s%s%s", prefix, status, grab);
241     gtk_window_set_title(GTK_WINDOW(s->window), title);
242     g_free(title);
243 
244     for (i = 0; i < s->nb_vcs; i++) {
245         VirtualConsole *vc = &s->vc[i];
246 
247         if (!vc->window) {
248             continue;
249         }
250         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
251                                 vc == s->kbd_owner ? " +kbd" : "",
252                                 vc == s->ptr_owner ? " +ptr" : "");
253         gtk_window_set_title(GTK_WINDOW(vc->window), title);
254         g_free(title);
255     }
256 
257     g_free(prefix);
258 }
259 
260 static void gd_update_geometry_hints(VirtualConsole *vc)
261 {
262     GtkDisplayState *s = vc->s;
263     GdkWindowHints mask = 0;
264     GdkGeometry geo = {};
265     GtkWidget *geo_widget = NULL;
266     GtkWindow *geo_window;
267 
268     if (vc->type == GD_VC_GFX) {
269         if (!vc->gfx.ds) {
270             return;
271         }
272         if (s->free_scale) {
273             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
274             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
275             mask |= GDK_HINT_MIN_SIZE;
276         } else {
277             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
278             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
279             mask |= GDK_HINT_MIN_SIZE;
280         }
281         geo_widget = vc->gfx.drawing_area;
282         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
283 
284 #if defined(CONFIG_VTE)
285     } else if (vc->type == GD_VC_VTE) {
286         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
287         GtkBorder padding = { 0 };
288 
289 #if VTE_CHECK_VERSION(0, 37, 0)
290         gtk_style_context_get_padding(
291                 gtk_widget_get_style_context(vc->vte.terminal),
292                 gtk_widget_get_state_flags(vc->vte.terminal),
293                 &padding);
294 #else
295         {
296             GtkBorder *ib = NULL;
297             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
298             if (ib) {
299                 padding = *ib;
300                 gtk_border_free(ib);
301             }
302         }
303 #endif
304 
305         geo.width_inc  = vte_terminal_get_char_width(term);
306         geo.height_inc = vte_terminal_get_char_height(term);
307         mask |= GDK_HINT_RESIZE_INC;
308         geo.base_width  = geo.width_inc;
309         geo.base_height = geo.height_inc;
310         mask |= GDK_HINT_BASE_SIZE;
311         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
312         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
313         mask |= GDK_HINT_MIN_SIZE;
314 
315         geo.base_width  += padding.left + padding.right;
316         geo.base_height += padding.top + padding.bottom;
317         geo.min_width   += padding.left + padding.right;
318         geo.min_height  += padding.top + padding.bottom;
319         geo_widget = vc->vte.terminal;
320 #endif
321     }
322 
323     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
324     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
325 }
326 
327 void gd_update_windowsize(VirtualConsole *vc)
328 {
329     GtkDisplayState *s = vc->s;
330 
331     gd_update_geometry_hints(vc);
332 
333     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
334         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
335                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
336     }
337 }
338 
339 static void gd_update_full_redraw(VirtualConsole *vc)
340 {
341     GtkWidget *area = vc->gfx.drawing_area;
342     int ww, wh;
343     ww = gdk_window_get_width(gtk_widget_get_window(area));
344     wh = gdk_window_get_height(gtk_widget_get_window(area));
345 #if defined(CONFIG_OPENGL)
346     if (vc->gfx.gls && gtk_use_gl_area) {
347         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
348         return;
349     }
350 #endif
351     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
352 }
353 
354 static void gtk_release_modifiers(GtkDisplayState *s)
355 {
356     VirtualConsole *vc = gd_vc_find_current(s);
357 
358     if (vc->type != GD_VC_GFX ||
359         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
360         return;
361     }
362     qkbd_state_lift_all_keys(vc->gfx.kbd);
363 }
364 
365 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
366                                GtkWidget *widget)
367 {
368     g_object_ref(G_OBJECT(widget));
369     gtk_container_remove(GTK_CONTAINER(from), widget);
370     gtk_container_add(GTK_CONTAINER(to), widget);
371     g_object_unref(G_OBJECT(widget));
372 }
373 
374 static void *gd_win32_get_hwnd(VirtualConsole *vc)
375 {
376 #ifdef G_OS_WIN32
377     return gdk_win32_window_get_impl_hwnd(
378         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
379 #else
380     return NULL;
381 #endif
382 }
383 
384 /** DisplayState Callbacks **/
385 
386 static void gd_update(DisplayChangeListener *dcl,
387                       int x, int y, int w, int h)
388 {
389     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
390     GdkWindow *win;
391     int x1, x2, y1, y2;
392     int mx, my;
393     int fbw, fbh;
394     int ww, wh;
395 
396     trace_gd_update(vc->label, x, y, w, h);
397 
398     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
399         return;
400     }
401 
402     if (vc->gfx.convert) {
403         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
404                                NULL, vc->gfx.convert,
405                                x, y, 0, 0, x, y, w, h);
406     }
407 
408     x1 = floor(x * vc->gfx.scale_x);
409     y1 = floor(y * vc->gfx.scale_y);
410 
411     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
412     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
413 
414     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
415     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
416 
417     win = gtk_widget_get_window(vc->gfx.drawing_area);
418     if (!win) {
419         return;
420     }
421     ww = gdk_window_get_width(win);
422     wh = gdk_window_get_height(win);
423 
424     mx = my = 0;
425     if (ww > fbw) {
426         mx = (ww - fbw) / 2;
427     }
428     if (wh > fbh) {
429         my = (wh - fbh) / 2;
430     }
431 
432     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
433                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
434 }
435 
436 static void gd_refresh(DisplayChangeListener *dcl)
437 {
438     graphic_hw_update(dcl->con);
439 }
440 
441 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
442 {
443     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
444 }
445 
446 static void gd_mouse_set(DisplayChangeListener *dcl,
447                          int x, int y, int visible)
448 {
449     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
450     GdkDisplay *dpy;
451     gint x_root, y_root;
452 
453     if (qemu_input_is_absolute()) {
454         return;
455     }
456 
457     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
458     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
459                                x, y, &x_root, &y_root);
460     gdk_device_warp(gd_get_pointer(dpy),
461                     gtk_widget_get_screen(vc->gfx.drawing_area),
462                     x_root, y_root);
463     vc->s->last_x = x;
464     vc->s->last_y = y;
465 }
466 
467 static void gd_cursor_define(DisplayChangeListener *dcl,
468                              QEMUCursor *c)
469 {
470     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
471     GdkPixbuf *pixbuf;
472     GdkCursor *cursor;
473 
474     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
475         return;
476     }
477 
478     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
479                                       GDK_COLORSPACE_RGB, true, 8,
480                                       c->width, c->height, c->width * 4,
481                                       NULL, NULL);
482     cursor = gdk_cursor_new_from_pixbuf
483         (gtk_widget_get_display(vc->gfx.drawing_area),
484          pixbuf, c->hot_x, c->hot_y);
485     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
486     g_object_unref(pixbuf);
487     g_object_unref(cursor);
488 }
489 
490 static void gd_switch(DisplayChangeListener *dcl,
491                       DisplaySurface *surface)
492 {
493     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
494     bool resized = true;
495 
496     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
497 
498     if (vc->gfx.surface) {
499         cairo_surface_destroy(vc->gfx.surface);
500         vc->gfx.surface = NULL;
501     }
502     if (vc->gfx.convert) {
503         pixman_image_unref(vc->gfx.convert);
504         vc->gfx.convert = NULL;
505     }
506 
507     if (vc->gfx.ds &&
508         surface_width(vc->gfx.ds) == surface_width(surface) &&
509         surface_height(vc->gfx.ds) == surface_height(surface)) {
510         resized = false;
511     }
512     vc->gfx.ds = surface;
513 
514     if (surface->format == PIXMAN_x8r8g8b8) {
515         /*
516          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
517          *
518          * No need to convert, use surface directly.  Should be the
519          * common case as this is qemu_default_pixelformat(32) too.
520          */
521         vc->gfx.surface = cairo_image_surface_create_for_data
522             (surface_data(surface),
523              CAIRO_FORMAT_RGB24,
524              surface_width(surface),
525              surface_height(surface),
526              surface_stride(surface));
527     } else {
528         /* Must convert surface, use pixman to do it. */
529         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
530                                                    surface_width(surface),
531                                                    surface_height(surface),
532                                                    NULL, 0);
533         vc->gfx.surface = cairo_image_surface_create_for_data
534             ((void *)pixman_image_get_data(vc->gfx.convert),
535              CAIRO_FORMAT_RGB24,
536              pixman_image_get_width(vc->gfx.convert),
537              pixman_image_get_height(vc->gfx.convert),
538              pixman_image_get_stride(vc->gfx.convert));
539         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
540                                NULL, vc->gfx.convert,
541                                0, 0, 0, 0, 0, 0,
542                                pixman_image_get_width(vc->gfx.convert),
543                                pixman_image_get_height(vc->gfx.convert));
544     }
545 
546     if (resized) {
547         gd_update_windowsize(vc);
548     } else {
549         gd_update_full_redraw(vc);
550     }
551 }
552 
553 static const DisplayChangeListenerOps dcl_ops = {
554     .dpy_name             = "gtk",
555     .dpy_gfx_update       = gd_update,
556     .dpy_gfx_switch       = gd_switch,
557     .dpy_gfx_check_format = qemu_pixman_check_format,
558     .dpy_refresh          = gd_refresh,
559     .dpy_mouse_set        = gd_mouse_set,
560     .dpy_cursor_define    = gd_cursor_define,
561 };
562 
563 
564 #if defined(CONFIG_OPENGL)
565 
566 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
567 {
568     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
569 
570     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
571         /* FIXME: Assume it will work, actual check done after realize */
572         /* fixing this would require delaying listener registration */
573         return true;
574     }
575 
576     return vc->gfx.has_dmabuf;
577 }
578 
579 static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
580                                  QemuDmaBuf *dmabuf)
581 {
582 #ifdef CONFIG_GBM
583     egl_dmabuf_release_texture(dmabuf);
584 #endif
585 }
586 
587 void gd_hw_gl_flushed(void *vcon)
588 {
589     VirtualConsole *vc = vcon;
590     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
591 
592     qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
593     close(dmabuf->fence_fd);
594     dmabuf->fence_fd = -1;
595     graphic_hw_gl_block(vc->gfx.dcl.con, false);
596 }
597 
598 /** DisplayState Callbacks (opengl version) **/
599 
600 static const DisplayChangeListenerOps dcl_gl_area_ops = {
601     .dpy_name             = "gtk-egl",
602     .dpy_gfx_update       = gd_gl_area_update,
603     .dpy_gfx_switch       = gd_gl_area_switch,
604     .dpy_gfx_check_format = console_gl_check_format,
605     .dpy_refresh          = gd_gl_area_refresh,
606     .dpy_mouse_set        = gd_mouse_set,
607     .dpy_cursor_define    = gd_cursor_define,
608 
609     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
610     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
611     .dpy_gl_update           = gd_gl_area_scanout_flush,
612     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
613     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
614     .dpy_has_dmabuf          = gd_has_dmabuf,
615 };
616 
617 static bool
618 gd_gl_area_is_compatible_dcl(DisplayGLCtx *dgc,
619                              DisplayChangeListener *dcl)
620 {
621     return dcl->ops == &dcl_gl_area_ops;
622 }
623 
624 static const DisplayGLCtxOps gl_area_ctx_ops = {
625     .dpy_gl_ctx_is_compatible_dcl = gd_gl_area_is_compatible_dcl,
626     .dpy_gl_ctx_create       = gd_gl_area_create_context,
627     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
628     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
629 };
630 
631 #ifdef CONFIG_X11
632 static const DisplayChangeListenerOps dcl_egl_ops = {
633     .dpy_name             = "gtk-egl",
634     .dpy_gfx_update       = gd_egl_update,
635     .dpy_gfx_switch       = gd_egl_switch,
636     .dpy_gfx_check_format = console_gl_check_format,
637     .dpy_refresh          = gd_egl_refresh,
638     .dpy_mouse_set        = gd_mouse_set,
639     .dpy_cursor_define    = gd_cursor_define,
640 
641     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
642     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
643     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
644     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
645     .dpy_gl_cursor_position  = gd_egl_cursor_position,
646     .dpy_gl_update           = gd_egl_flush,
647     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
648     .dpy_has_dmabuf          = gd_has_dmabuf,
649 };
650 
651 static bool
652 gd_egl_is_compatible_dcl(DisplayGLCtx *dgc,
653                          DisplayChangeListener *dcl)
654 {
655     return dcl->ops == &dcl_egl_ops;
656 }
657 
658 static const DisplayGLCtxOps egl_ctx_ops = {
659     .dpy_gl_ctx_is_compatible_dcl = gd_egl_is_compatible_dcl,
660     .dpy_gl_ctx_create       = gd_egl_create_context,
661     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
662     .dpy_gl_ctx_make_current = gd_egl_make_current,
663 };
664 #endif
665 
666 #endif /* CONFIG_OPENGL */
667 
668 /** QEMU Events **/
669 
670 static void gd_change_runstate(void *opaque, bool running, RunState state)
671 {
672     GtkDisplayState *s = opaque;
673 
674     gd_update_caption(s);
675 }
676 
677 static void gd_mouse_mode_change(Notifier *notify, void *data)
678 {
679     GtkDisplayState *s;
680     int i;
681 
682     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
683     /* release the grab at switching to absolute mode */
684     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
685         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
686                                        FALSE);
687     }
688     for (i = 0; i < s->nb_vcs; i++) {
689         VirtualConsole *vc = &s->vc[i];
690         gd_update_cursor(vc);
691     }
692 }
693 
694 /** GTK Events **/
695 
696 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
697                                 void *opaque)
698 {
699     GtkDisplayState *s = opaque;
700     bool allow_close = true;
701 
702     if (s->opts->has_window_close && !s->opts->window_close) {
703         allow_close = false;
704     }
705 
706     if (allow_close) {
707         qmp_quit(NULL);
708     }
709 
710     return TRUE;
711 }
712 
713 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
714 {
715     QemuUIInfo info;
716 
717     memset(&info, 0, sizeof(info));
718     info.width = width;
719     info.height = height;
720     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
721 }
722 
723 #if defined(CONFIG_OPENGL)
724 
725 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
726                                 void *opaque)
727 {
728     VirtualConsole *vc = opaque;
729 
730     if (vc->gfx.gls) {
731         gd_gl_area_draw(vc);
732     }
733     return TRUE;
734 }
735 
736 static void gd_resize_event(GtkGLArea *area,
737                             gint width, gint height, gpointer *opaque)
738 {
739     VirtualConsole *vc = (void *)opaque;
740 
741     gd_set_ui_info(vc, width, height);
742 }
743 
744 #endif
745 
746 /*
747  * If available, return the update interval of the monitor in ms,
748  * else return 0 (the default update interval).
749  */
750 int gd_monitor_update_interval(GtkWidget *widget)
751 {
752 #ifdef GDK_VERSION_3_22
753     GdkWindow *win = gtk_widget_get_window(widget);
754 
755     if (win) {
756         GdkDisplay *dpy = gtk_widget_get_display(widget);
757         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
758         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
759 
760         if (refresh_rate) {
761             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
762             return MIN(1000 * 1000 / refresh_rate,
763                        GUI_REFRESH_INTERVAL_DEFAULT);
764         }
765     }
766 #endif
767     return 0;
768 }
769 
770 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
771 {
772     VirtualConsole *vc = opaque;
773     GtkDisplayState *s = vc->s;
774     int mx, my;
775     int ww, wh;
776     int fbw, fbh;
777 
778 #if defined(CONFIG_OPENGL)
779     if (vc->gfx.gls) {
780         if (gtk_use_gl_area) {
781             /* invoke render callback please */
782             return FALSE;
783         } else {
784 #ifdef CONFIG_X11
785             gd_egl_draw(vc);
786             return TRUE;
787 #else
788             abort();
789 #endif
790         }
791     }
792 #endif
793 
794     if (!gtk_widget_get_realized(widget)) {
795         return FALSE;
796     }
797     if (!vc->gfx.ds) {
798         return FALSE;
799     }
800     if (!vc->gfx.surface) {
801         return FALSE;
802     }
803 
804     vc->gfx.dcl.update_interval =
805         gd_monitor_update_interval(vc->window ? vc->window : s->window);
806 
807     fbw = surface_width(vc->gfx.ds);
808     fbh = surface_height(vc->gfx.ds);
809 
810     ww = gdk_window_get_width(gtk_widget_get_window(widget));
811     wh = gdk_window_get_height(gtk_widget_get_window(widget));
812 
813     if (s->full_screen) {
814         vc->gfx.scale_x = (double)ww / fbw;
815         vc->gfx.scale_y = (double)wh / fbh;
816     } else if (s->free_scale) {
817         double sx, sy;
818 
819         sx = (double)ww / fbw;
820         sy = (double)wh / fbh;
821 
822         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
823     }
824 
825     fbw *= vc->gfx.scale_x;
826     fbh *= vc->gfx.scale_y;
827 
828     mx = my = 0;
829     if (ww > fbw) {
830         mx = (ww - fbw) / 2;
831     }
832     if (wh > fbh) {
833         my = (wh - fbh) / 2;
834     }
835 
836     cairo_rectangle(cr, 0, 0, ww, wh);
837 
838     /* Optionally cut out the inner area where the pixmap
839        will be drawn. This avoids 'flashing' since we're
840        not double-buffering. Note we're using the undocumented
841        behaviour of drawing the rectangle from right to left
842        to cut out the whole */
843     cairo_rectangle(cr, mx + fbw, my,
844                     -1 * fbw, fbh);
845     cairo_fill(cr);
846 
847     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
848     cairo_set_source_surface(cr, vc->gfx.surface,
849                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
850     cairo_paint(cr);
851 
852     return TRUE;
853 }
854 
855 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
856                                 void *opaque)
857 {
858     VirtualConsole *vc = opaque;
859     GtkDisplayState *s = vc->s;
860     GdkWindow *window;
861     int x, y;
862     int mx, my;
863     int fbh, fbw;
864     int ww, wh, ws;
865 
866     if (!vc->gfx.ds) {
867         return TRUE;
868     }
869 
870     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
871     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
872 
873     window = gtk_widget_get_window(vc->gfx.drawing_area);
874     ww = gdk_window_get_width(window);
875     wh = gdk_window_get_height(window);
876     ws = gdk_window_get_scale_factor(window);
877 
878     mx = my = 0;
879     if (ww > fbw) {
880         mx = (ww - fbw) / 2;
881     }
882     if (wh > fbh) {
883         my = (wh - fbh) / 2;
884     }
885 
886     x = (motion->x - mx) / vc->gfx.scale_x * ws;
887     y = (motion->y - my) / vc->gfx.scale_y * ws;
888 
889     if (qemu_input_is_absolute()) {
890         if (x < 0 || y < 0 ||
891             x >= surface_width(vc->gfx.ds) ||
892             y >= surface_height(vc->gfx.ds)) {
893             return TRUE;
894         }
895         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
896                              0, surface_width(vc->gfx.ds));
897         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
898                              0, surface_height(vc->gfx.ds));
899         qemu_input_event_sync();
900     } else if (s->last_set && s->ptr_owner == vc) {
901         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
902         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
903         qemu_input_event_sync();
904     }
905     s->last_x = x;
906     s->last_y = y;
907     s->last_set = TRUE;
908 
909     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
910         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
911         GdkDisplay *dpy = gtk_widget_get_display(widget);
912         GdkWindow *win = gtk_widget_get_window(widget);
913         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
914         GdkRectangle geometry;
915 
916         int x = (int)motion->x_root;
917         int y = (int)motion->y_root;
918 
919         gdk_monitor_get_geometry(monitor, &geometry);
920 
921         /* In relative mode check to see if client pointer hit
922          * one of the monitor edges, and if so move it back to the
923          * center of the monitor. This is important because the pointer
924          * in the server doesn't correspond 1-for-1, and so
925          * may still be only half way across the screen. Without
926          * this warp, the server pointer would thus appear to hit
927          * an invisible wall */
928         if (x <= geometry.x || x - geometry.x >= geometry.width - 1 ||
929             y <= geometry.y || y - geometry.y >= geometry.height - 1) {
930             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
931             x = geometry.x + geometry.width / 2;
932             y = geometry.y + geometry.height / 2;
933 
934             gdk_device_warp(dev, screen, x, y);
935             s->last_set = FALSE;
936             return FALSE;
937         }
938     }
939     return TRUE;
940 }
941 
942 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
943                                 void *opaque)
944 {
945     VirtualConsole *vc = opaque;
946     GtkDisplayState *s = vc->s;
947     InputButton btn;
948 
949     /* implicitly grab the input at the first click in the relative mode */
950     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
951         !qemu_input_is_absolute() && s->ptr_owner != vc) {
952         if (!vc->window) {
953             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
954                                            TRUE);
955         } else {
956             gd_grab_pointer(vc, "relative-mode-click");
957         }
958         return TRUE;
959     }
960 
961     if (button->button == 1) {
962         btn = INPUT_BUTTON_LEFT;
963     } else if (button->button == 2) {
964         btn = INPUT_BUTTON_MIDDLE;
965     } else if (button->button == 3) {
966         btn = INPUT_BUTTON_RIGHT;
967     } else if (button->button == 8) {
968         btn = INPUT_BUTTON_SIDE;
969     } else if (button->button == 9) {
970         btn = INPUT_BUTTON_EXTRA;
971     } else {
972         return TRUE;
973     }
974 
975     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
976                          button->type == GDK_BUTTON_PRESS);
977     qemu_input_event_sync();
978     return TRUE;
979 }
980 
981 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
982                                 void *opaque)
983 {
984     VirtualConsole *vc = opaque;
985     InputButton btn_vertical;
986     InputButton btn_horizontal;
987     bool has_vertical = false;
988     bool has_horizontal = false;
989 
990     if (scroll->direction == GDK_SCROLL_UP) {
991         btn_vertical = INPUT_BUTTON_WHEEL_UP;
992         has_vertical = true;
993     } else if (scroll->direction == GDK_SCROLL_DOWN) {
994         btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
995         has_vertical = true;
996     } else if (scroll->direction == GDK_SCROLL_LEFT) {
997         btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
998         has_horizontal = true;
999     } else if (scroll->direction == GDK_SCROLL_RIGHT) {
1000         btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1001         has_horizontal = true;
1002     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1003         gdouble delta_x, delta_y;
1004         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1005                                          &delta_x, &delta_y)) {
1006             return TRUE;
1007         }
1008 
1009         if (delta_y > 0) {
1010             btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1011             has_vertical = true;
1012         } else if (delta_y < 0) {
1013             btn_vertical = INPUT_BUTTON_WHEEL_UP;
1014             has_vertical = true;
1015         } else if (delta_x > 0) {
1016             btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1017             has_horizontal = true;
1018         } else if (delta_x < 0) {
1019             btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1020             has_horizontal = true;
1021         } else {
1022             return TRUE;
1023         }
1024     } else {
1025         return TRUE;
1026     }
1027 
1028     if (has_vertical) {
1029         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1030         qemu_input_event_sync();
1031         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1032         qemu_input_event_sync();
1033     }
1034 
1035     if (has_horizontal) {
1036         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1037         qemu_input_event_sync();
1038         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1039         qemu_input_event_sync();
1040     }
1041 
1042     return TRUE;
1043 }
1044 
1045 
1046 static const guint16 *gd_get_keymap(size_t *maplen)
1047 {
1048     GdkDisplay *dpy = gdk_display_get_default();
1049 
1050 #ifdef GDK_WINDOWING_X11
1051     if (GDK_IS_X11_DISPLAY(dpy)) {
1052         trace_gd_keymap_windowing("x11");
1053         return qemu_xkeymap_mapping_table(
1054             gdk_x11_display_get_xdisplay(dpy), maplen);
1055     }
1056 #endif
1057 
1058 #ifdef GDK_WINDOWING_WAYLAND
1059     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1060         trace_gd_keymap_windowing("wayland");
1061         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1062         return qemu_input_map_xorgevdev_to_qcode;
1063     }
1064 #endif
1065 
1066 #ifdef GDK_WINDOWING_WIN32
1067     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1068         trace_gd_keymap_windowing("win32");
1069         *maplen = qemu_input_map_atset1_to_qcode_len;
1070         return qemu_input_map_atset1_to_qcode;
1071     }
1072 #endif
1073 
1074 #ifdef GDK_WINDOWING_QUARTZ
1075     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1076         trace_gd_keymap_windowing("quartz");
1077         *maplen = qemu_input_map_osx_to_qcode_len;
1078         return qemu_input_map_osx_to_qcode;
1079     }
1080 #endif
1081 
1082 #ifdef GDK_WINDOWING_BROADWAY
1083     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1084         trace_gd_keymap_windowing("broadway");
1085         g_warning("experimental: using broadway, x11 virtual keysym\n"
1086                   "mapping - with very limited support. See also\n"
1087                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1088         *maplen = qemu_input_map_x11_to_qcode_len;
1089         return qemu_input_map_x11_to_qcode;
1090     }
1091 #endif
1092 
1093     g_warning("Unsupported GDK Windowing platform.\n"
1094               "Disabling extended keycode tables.\n"
1095               "Please report to qemu-devel@nongnu.org\n"
1096               "including the following information:\n"
1097               "\n"
1098               "  - Operating system\n"
1099               "  - GDK Windowing system build\n");
1100     return NULL;
1101 }
1102 
1103 
1104 static int gd_map_keycode(int scancode)
1105 {
1106     if (!keycode_map) {
1107         return 0;
1108     }
1109     if (scancode > keycode_maplen) {
1110         return 0;
1111     }
1112 
1113     return keycode_map[scancode];
1114 }
1115 
1116 static int gd_get_keycode(GdkEventKey *key)
1117 {
1118 #ifdef G_OS_WIN32
1119     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1120 
1121     /* translate Windows native scancodes to atset1 keycodes */
1122     switch (scancode & (KF_EXTENDED | 0xff)) {
1123     case 0x145:     /* NUMLOCK */
1124         return scancode & 0xff;
1125     }
1126 
1127     return scancode & KF_EXTENDED ?
1128         0xe000 | (scancode & 0xff) : scancode & 0xff;
1129 
1130 #else
1131     return key->hardware_keycode;
1132 #endif
1133 }
1134 
1135 static gboolean gd_text_key_down(GtkWidget *widget,
1136                                  GdkEventKey *key, void *opaque)
1137 {
1138     VirtualConsole *vc = opaque;
1139     QemuConsole *con = vc->gfx.dcl.con;
1140 
1141     if (key->keyval == GDK_KEY_Delete) {
1142         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1143     } else if (key->length) {
1144         kbd_put_string_console(con, key->string, key->length);
1145     } else {
1146         int qcode = gd_map_keycode(gd_get_keycode(key));
1147         kbd_put_qcode_console(con, qcode, false);
1148     }
1149     return TRUE;
1150 }
1151 
1152 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1153 {
1154     VirtualConsole *vc = opaque;
1155     int keycode, qcode;
1156 
1157 #ifdef G_OS_WIN32
1158     /* on windows, we ought to ignore the reserved key event? */
1159     if (key->hardware_keycode == 0xff)
1160         return false;
1161 
1162     if (!vc->s->kbd_owner) {
1163         if (key->hardware_keycode == VK_LWIN ||
1164             key->hardware_keycode == VK_RWIN) {
1165             return FALSE;
1166         }
1167     }
1168 #endif
1169 
1170     if (key->keyval == GDK_KEY_Pause
1171 #ifdef G_OS_WIN32
1172         /* for some reason GDK does not fill keyval for VK_PAUSE
1173          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1174          */
1175         || key->hardware_keycode == VK_PAUSE
1176 #endif
1177         ) {
1178         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1179                              key->type == GDK_KEY_PRESS);
1180         return TRUE;
1181     }
1182 
1183     keycode = gd_get_keycode(key);
1184     qcode = gd_map_keycode(keycode);
1185 
1186     trace_gd_key_event(vc->label, keycode, qcode,
1187                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1188 
1189     qkbd_state_key_event(vc->gfx.kbd, qcode,
1190                          key->type == GDK_KEY_PRESS);
1191 
1192     return TRUE;
1193 }
1194 
1195 static gboolean gd_grab_broken_event(GtkWidget *widget,
1196                                      GdkEventGrabBroken *event, void *opaque)
1197 {
1198 #ifdef CONFIG_WIN32
1199     /*
1200      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1201      * key combination leaves all three keys in a stuck condition. We use
1202      * the grab-broken-event to release all keys.
1203      */
1204     if (event->keyboard) {
1205         VirtualConsole *vc = opaque;
1206         GtkDisplayState *s = vc->s;
1207 
1208         gtk_release_modifiers(s);
1209     }
1210 #endif
1211     return TRUE;
1212 }
1213 
1214 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1215 {
1216     if (event->type == GDK_MOTION_NOTIFY) {
1217         return gd_motion_event(widget, &event->motion, opaque);
1218     }
1219     return FALSE;
1220 }
1221 
1222 /** Window Menu Actions **/
1223 
1224 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1225 {
1226     GtkDisplayState *s = opaque;
1227 
1228     if (s->external_pause_update) {
1229         return;
1230     }
1231     if (runstate_is_running()) {
1232         qmp_stop(NULL);
1233     } else {
1234         qmp_cont(NULL);
1235     }
1236 }
1237 
1238 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1239 {
1240     qmp_system_reset(NULL);
1241 }
1242 
1243 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1244 {
1245     qmp_system_powerdown(NULL);
1246 }
1247 
1248 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1249 {
1250     qmp_quit(NULL);
1251 }
1252 
1253 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1254 {
1255     GtkDisplayState *s = opaque;
1256     VirtualConsole *vc = gd_vc_find_by_menu(s);
1257     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1258     gint page;
1259 
1260     gtk_release_modifiers(s);
1261     if (vc) {
1262         page = gtk_notebook_page_num(nb, vc->tab_item);
1263         gtk_notebook_set_current_page(nb, page);
1264         gtk_widget_grab_focus(vc->focus);
1265     }
1266 }
1267 
1268 static void gd_accel_switch_vc(void *opaque)
1269 {
1270     VirtualConsole *vc = opaque;
1271 
1272     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1273 }
1274 
1275 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1276 {
1277     GtkDisplayState *s = opaque;
1278     VirtualConsole *vc = gd_vc_find_current(s);
1279 
1280     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1281         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1282     } else {
1283         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1284     }
1285     gd_update_windowsize(vc);
1286 }
1287 
1288 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1289                                     void *opaque)
1290 {
1291     VirtualConsole *vc = opaque;
1292     GtkDisplayState *s = vc->s;
1293 
1294     gtk_widget_set_sensitive(vc->menu_item, true);
1295     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1296     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1297                                     vc->tab_item, vc->label);
1298     gtk_widget_destroy(vc->window);
1299     vc->window = NULL;
1300 #if defined(CONFIG_OPENGL)
1301     if (vc->gfx.esurface) {
1302         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1303         vc->gfx.esurface = NULL;
1304     }
1305     if (vc->gfx.ectx) {
1306         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1307         vc->gfx.ectx = NULL;
1308     }
1309 #endif
1310     return TRUE;
1311 }
1312 
1313 static gboolean gd_win_grab(void *opaque)
1314 {
1315     VirtualConsole *vc = opaque;
1316 
1317     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1318     if (vc->s->ptr_owner) {
1319         gd_ungrab_pointer(vc->s);
1320     } else {
1321         gd_grab_pointer(vc, "user-request-detached-tab");
1322     }
1323     return TRUE;
1324 }
1325 
1326 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1327 {
1328     GtkDisplayState *s = opaque;
1329     VirtualConsole *vc = gd_vc_find_current(s);
1330 
1331     if (vc->type == GD_VC_GFX &&
1332         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1333         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1334                                        FALSE);
1335     }
1336     if (!vc->window) {
1337         gtk_widget_set_sensitive(vc->menu_item, false);
1338         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1339 #if defined(CONFIG_OPENGL)
1340         if (vc->gfx.esurface) {
1341             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1342             vc->gfx.esurface = NULL;
1343         }
1344         if (vc->gfx.esurface) {
1345             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1346             vc->gfx.ectx = NULL;
1347         }
1348 #endif
1349         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1350 
1351         g_signal_connect(vc->window, "delete-event",
1352                          G_CALLBACK(gd_tab_window_close), vc);
1353         gtk_widget_show_all(vc->window);
1354 
1355         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1356             GtkAccelGroup *ag = gtk_accel_group_new();
1357             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1358 
1359             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1360                                                vc, NULL);
1361             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1362         }
1363 
1364         gd_update_geometry_hints(vc);
1365         gd_update_caption(s);
1366     }
1367 }
1368 
1369 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1370 {
1371     GtkDisplayState *s = opaque;
1372     VirtualConsole *vc = gd_vc_find_current(s);
1373 
1374     if (s->full_screen) {
1375         return;
1376     }
1377 
1378     if (gtk_check_menu_item_get_active(
1379                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1380         gtk_widget_show(s->menu_bar);
1381     } else {
1382         gtk_widget_hide(s->menu_bar);
1383     }
1384     gd_update_windowsize(vc);
1385 }
1386 
1387 static void gd_accel_show_menubar(void *opaque)
1388 {
1389     GtkDisplayState *s = opaque;
1390     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
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         if (gtk_check_menu_item_get_active(
1410                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1411             gtk_widget_show(s->menu_bar);
1412         }
1413         s->full_screen = FALSE;
1414         if (vc->type == GD_VC_GFX) {
1415             vc->gfx.scale_x = 1.0;
1416             vc->gfx.scale_y = 1.0;
1417             gd_update_windowsize(vc);
1418         }
1419     }
1420 
1421     gd_update_cursor(vc);
1422 }
1423 
1424 static void gd_accel_full_screen(void *opaque)
1425 {
1426     GtkDisplayState *s = opaque;
1427     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1428 }
1429 
1430 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1431 {
1432     GtkDisplayState *s = opaque;
1433     VirtualConsole *vc = gd_vc_find_current(s);
1434 
1435     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1436                                    FALSE);
1437 
1438     vc->gfx.scale_x += VC_SCALE_STEP;
1439     vc->gfx.scale_y += VC_SCALE_STEP;
1440 
1441     gd_update_windowsize(vc);
1442 }
1443 
1444 static void gd_accel_zoom_in(void *opaque)
1445 {
1446     GtkDisplayState *s = opaque;
1447     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1448 }
1449 
1450 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1451 {
1452     GtkDisplayState *s = opaque;
1453     VirtualConsole *vc = gd_vc_find_current(s);
1454 
1455     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1456                                    FALSE);
1457 
1458     vc->gfx.scale_x -= VC_SCALE_STEP;
1459     vc->gfx.scale_y -= VC_SCALE_STEP;
1460 
1461     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1462     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1463 
1464     gd_update_windowsize(vc);
1465 }
1466 
1467 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1468 {
1469     GtkDisplayState *s = opaque;
1470     VirtualConsole *vc = gd_vc_find_current(s);
1471 
1472     vc->gfx.scale_x = 1.0;
1473     vc->gfx.scale_y = 1.0;
1474 
1475     gd_update_windowsize(vc);
1476 }
1477 
1478 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1479 {
1480     GtkDisplayState *s = opaque;
1481     VirtualConsole *vc = gd_vc_find_current(s);
1482 
1483     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1484         s->free_scale = TRUE;
1485     } else {
1486         s->free_scale = FALSE;
1487         vc->gfx.scale_x = 1.0;
1488         vc->gfx.scale_y = 1.0;
1489     }
1490 
1491     gd_update_windowsize(vc);
1492     gd_update_full_redraw(vc);
1493 }
1494 
1495 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1496 {
1497     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1498     GdkSeat *seat = gdk_display_get_default_seat(display);
1499     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1500     GdkSeatCapabilities caps = 0;
1501     GdkCursor *cursor = NULL;
1502 
1503     if (kbd) {
1504         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1505     }
1506     if (ptr) {
1507         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1508         cursor = vc->s->null_cursor;
1509     }
1510 
1511     if (caps) {
1512         gdk_seat_grab(seat, window, caps, false, cursor,
1513                       NULL, NULL, NULL);
1514     } else {
1515         gdk_seat_ungrab(seat);
1516     }
1517 }
1518 
1519 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1520 {
1521     if (vc->s->kbd_owner) {
1522         if (vc->s->kbd_owner == vc) {
1523             return;
1524         } else {
1525             gd_ungrab_keyboard(vc->s);
1526         }
1527     }
1528 
1529     win32_kbd_set_grab(true);
1530     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1531     vc->s->kbd_owner = vc;
1532     gd_update_caption(vc->s);
1533     trace_gd_grab(vc->label, "kbd", reason);
1534 }
1535 
1536 static void gd_ungrab_keyboard(GtkDisplayState *s)
1537 {
1538     VirtualConsole *vc = s->kbd_owner;
1539 
1540     if (vc == NULL) {
1541         return;
1542     }
1543     s->kbd_owner = NULL;
1544 
1545     win32_kbd_set_grab(false);
1546     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1547     gd_update_caption(s);
1548     trace_gd_ungrab(vc->label, "kbd");
1549 }
1550 
1551 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1552 {
1553     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1554 
1555     if (vc->s->ptr_owner) {
1556         if (vc->s->ptr_owner == vc) {
1557             return;
1558         } else {
1559             gd_ungrab_pointer(vc->s);
1560         }
1561     }
1562 
1563     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1564     gdk_device_get_position(gd_get_pointer(display),
1565                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1566     vc->s->ptr_owner = vc;
1567     gd_update_caption(vc->s);
1568     trace_gd_grab(vc->label, "ptr", reason);
1569 }
1570 
1571 static void gd_ungrab_pointer(GtkDisplayState *s)
1572 {
1573     VirtualConsole *vc = s->ptr_owner;
1574     GdkDisplay *display;
1575 
1576     if (vc == NULL) {
1577         return;
1578     }
1579     s->ptr_owner = NULL;
1580 
1581     display = gtk_widget_get_display(vc->gfx.drawing_area);
1582     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1583     gdk_device_warp(gd_get_pointer(display),
1584                     gtk_widget_get_screen(vc->gfx.drawing_area),
1585                     vc->s->grab_x_root, vc->s->grab_y_root);
1586     gd_update_caption(s);
1587     trace_gd_ungrab(vc->label, "ptr");
1588 }
1589 
1590 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1591 {
1592     GtkDisplayState *s = opaque;
1593     VirtualConsole *vc = gd_vc_find_current(s);
1594 
1595     if (gd_is_grab_active(s)) {
1596         gd_grab_keyboard(vc, "user-request-main-window");
1597         gd_grab_pointer(vc, "user-request-main-window");
1598     } else {
1599         gd_ungrab_keyboard(s);
1600         gd_ungrab_pointer(s);
1601     }
1602 
1603     gd_update_cursor(vc);
1604 }
1605 
1606 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1607                            gpointer data)
1608 {
1609     GtkDisplayState *s = data;
1610     VirtualConsole *vc;
1611     gboolean on_vga;
1612 
1613     if (!gtk_widget_get_realized(s->notebook)) {
1614         return;
1615     }
1616 
1617     vc = gd_vc_find_by_page(s, arg2);
1618     if (!vc) {
1619         return;
1620     }
1621     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1622                                    TRUE);
1623     on_vga = (vc->type == GD_VC_GFX &&
1624               qemu_console_is_graphic(vc->gfx.dcl.con));
1625     if (!on_vga) {
1626         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1627                                        FALSE);
1628     } else if (s->full_screen) {
1629         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1630                                        TRUE);
1631     }
1632     gtk_widget_set_sensitive(s->grab_item, on_vga);
1633 #ifdef CONFIG_VTE
1634     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1635 #endif
1636 
1637     gd_update_windowsize(vc);
1638     gd_update_cursor(vc);
1639 }
1640 
1641 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1642                                gpointer opaque)
1643 {
1644     VirtualConsole *vc = opaque;
1645     GtkDisplayState *s = vc->s;
1646 
1647     if (gd_grab_on_hover(s)) {
1648         gd_grab_keyboard(vc, "grab-on-hover");
1649     }
1650     return TRUE;
1651 }
1652 
1653 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1654                                gpointer opaque)
1655 {
1656     VirtualConsole *vc = opaque;
1657     GtkDisplayState *s = vc->s;
1658 
1659     if (gd_grab_on_hover(s)) {
1660         gd_ungrab_keyboard(s);
1661     }
1662     return TRUE;
1663 }
1664 
1665 static gboolean gd_focus_in_event(GtkWidget *widget,
1666                                   GdkEventFocus *event, gpointer opaque)
1667 {
1668     VirtualConsole *vc = opaque;
1669 
1670     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1671     return TRUE;
1672 }
1673 
1674 static gboolean gd_focus_out_event(GtkWidget *widget,
1675                                    GdkEventFocus *event, gpointer opaque)
1676 {
1677     VirtualConsole *vc = opaque;
1678     GtkDisplayState *s = vc->s;
1679 
1680     win32_kbd_set_window(NULL);
1681     gtk_release_modifiers(s);
1682     return TRUE;
1683 }
1684 
1685 static gboolean gd_configure(GtkWidget *widget,
1686                              GdkEventConfigure *cfg, gpointer opaque)
1687 {
1688     VirtualConsole *vc = opaque;
1689 
1690     gd_set_ui_info(vc, cfg->width, cfg->height);
1691     return FALSE;
1692 }
1693 
1694 /** Virtual Console Callbacks **/
1695 
1696 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1697                                int idx, GSList *group, GtkWidget *view_menu)
1698 {
1699     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1700     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1701             HOTKEY_MODIFIERS, 0,
1702             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1703     gtk_accel_label_set_accel(
1704             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1705             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1706 
1707     g_signal_connect(vc->menu_item, "activate",
1708                      G_CALLBACK(gd_menu_switch_vc), s);
1709     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1710 
1711     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1712 }
1713 
1714 #if defined(CONFIG_VTE)
1715 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1716 {
1717     GtkDisplayState *s = opaque;
1718     VirtualConsole *vc = gd_vc_find_current(s);
1719 
1720 #if VTE_CHECK_VERSION(0, 50, 0)
1721     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1722                                        VTE_FORMAT_TEXT);
1723 #else
1724     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1725 #endif
1726 }
1727 
1728 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1729 {
1730     VirtualConsole *vc = opaque;
1731 
1732     if (gtk_adjustment_get_upper(adjustment) >
1733         gtk_adjustment_get_page_size(adjustment)) {
1734         gtk_widget_show(vc->vte.scrollbar);
1735     } else {
1736         gtk_widget_hide(vc->vte.scrollbar);
1737     }
1738 }
1739 
1740 static void gd_vc_send_chars(VirtualConsole *vc)
1741 {
1742     uint32_t len, avail;
1743 
1744     len = qemu_chr_be_can_write(vc->vte.chr);
1745     avail = fifo8_num_used(&vc->vte.out_fifo);
1746     while (len > 0 && avail > 0) {
1747         const uint8_t *buf;
1748         uint32_t size;
1749 
1750         buf = fifo8_pop_buf(&vc->vte.out_fifo, MIN(len, avail), &size);
1751         qemu_chr_be_write(vc->vte.chr, (uint8_t *)buf, size);
1752         len = qemu_chr_be_can_write(vc->vte.chr);
1753         avail -= size;
1754     }
1755 }
1756 
1757 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1758 {
1759     VCChardev *vcd = VC_CHARDEV(chr);
1760     VirtualConsole *vc = vcd->console;
1761 
1762     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1763     return len;
1764 }
1765 
1766 static void gd_vc_chr_accept_input(Chardev *chr)
1767 {
1768     VCChardev *vcd = VC_CHARDEV(chr);
1769     VirtualConsole *vc = vcd->console;
1770 
1771     gd_vc_send_chars(vc);
1772 }
1773 
1774 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1775 {
1776     VCChardev *vcd = VC_CHARDEV(chr);
1777     VirtualConsole *vc = vcd->console;
1778 
1779     if (vc) {
1780         vc->vte.echo = echo;
1781     } else {
1782         vcd->echo = echo;
1783     }
1784 }
1785 
1786 static int nb_vcs;
1787 static Chardev *vcs[MAX_VCS];
1788 static void gd_vc_open(Chardev *chr,
1789                        ChardevBackend *backend,
1790                        bool *be_opened,
1791                        Error **errp)
1792 {
1793     if (nb_vcs == MAX_VCS) {
1794         error_setg(errp, "Maximum number of consoles reached");
1795         return;
1796     }
1797 
1798     vcs[nb_vcs++] = chr;
1799 
1800     /* console/chardev init sometimes completes elsewhere in a 2nd
1801      * stage, so defer OPENED events until they are fully initialized
1802      */
1803     *be_opened = false;
1804 }
1805 
1806 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1807 {
1808     ChardevClass *cc = CHARDEV_CLASS(oc);
1809 
1810     cc->parse = qemu_chr_parse_vc;
1811     cc->open = gd_vc_open;
1812     cc->chr_write = gd_vc_chr_write;
1813     cc->chr_accept_input = gd_vc_chr_accept_input;
1814     cc->chr_set_echo = gd_vc_chr_set_echo;
1815 }
1816 
1817 static const TypeInfo char_gd_vc_type_info = {
1818     .name = TYPE_CHARDEV_VC,
1819     .parent = TYPE_CHARDEV,
1820     .instance_size = sizeof(VCChardev),
1821     .class_init = char_gd_vc_class_init,
1822 };
1823 
1824 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1825                          gpointer user_data)
1826 {
1827     VirtualConsole *vc = user_data;
1828     uint32_t free;
1829 
1830     if (vc->vte.echo) {
1831         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1832         int i;
1833         for (i = 0; i < size; i++) {
1834             uint8_t c = text[i];
1835             if (c >= 128 || isprint(c)) {
1836                 /* 8-bit characters are considered printable.  */
1837                 vte_terminal_feed(term, &text[i], 1);
1838             } else if (c == '\r' || c == '\n') {
1839                 vte_terminal_feed(term, "\r\n", 2);
1840             } else {
1841                 char ctrl[2] = { '^', 0};
1842                 ctrl[1] = text[i] ^ 64;
1843                 vte_terminal_feed(term, ctrl, 2);
1844             }
1845         }
1846     }
1847 
1848     free = fifo8_num_free(&vc->vte.out_fifo);
1849     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1850     gd_vc_send_chars(vc);
1851 
1852     return TRUE;
1853 }
1854 
1855 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1856                               Chardev *chr, int idx,
1857                               GSList *group, GtkWidget *view_menu)
1858 {
1859     char buffer[32];
1860     GtkWidget *box;
1861     GtkWidget *scrollbar;
1862     GtkAdjustment *vadjustment;
1863     VCChardev *vcd = VC_CHARDEV(chr);
1864 
1865     vc->s = s;
1866     vc->vte.echo = vcd->echo;
1867     vc->vte.chr = chr;
1868     fifo8_create(&vc->vte.out_fifo, 4096);
1869     vcd->console = vc;
1870 
1871     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1872     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1873                                 ? vc->vte.chr->label : buffer);
1874     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1875 
1876     vc->vte.terminal = vte_terminal_new();
1877     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1878 
1879     /* The documentation says that the default is UTF-8, but actually it is
1880      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1881      * VTE 0.54 (only UTF-8 is supported now). */
1882 #if !VTE_CHECK_VERSION(0, 54, 0)
1883 #if VTE_CHECK_VERSION(0, 38, 0)
1884     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1885 #else
1886     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1887 #endif
1888 #endif
1889 
1890     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1891     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1892                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1893 
1894 #if VTE_CHECK_VERSION(0, 28, 0)
1895     vadjustment = gtk_scrollable_get_vadjustment
1896         (GTK_SCROLLABLE(vc->vte.terminal));
1897 #else
1898     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1899 #endif
1900 
1901     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1902     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1903 
1904     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1905     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1906 
1907     vc->vte.box = box;
1908     vc->vte.scrollbar = scrollbar;
1909 
1910     g_signal_connect(vadjustment, "changed",
1911                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1912 
1913     vc->type = GD_VC_VTE;
1914     vc->tab_item = box;
1915     vc->focus = vc->vte.terminal;
1916     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1917                              gtk_label_new(vc->label));
1918 
1919     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1920 
1921     return group;
1922 }
1923 
1924 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1925                         GtkWidget *view_menu)
1926 {
1927     int i;
1928 
1929     for (i = 0; i < nb_vcs; i++) {
1930         VirtualConsole *vc = &s->vc[s->nb_vcs];
1931         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1932         s->nb_vcs++;
1933     }
1934 }
1935 #endif /* CONFIG_VTE */
1936 
1937 /** Window Creation **/
1938 
1939 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1940 {
1941     g_signal_connect(vc->gfx.drawing_area, "draw",
1942                      G_CALLBACK(gd_draw_event), vc);
1943 #if defined(CONFIG_OPENGL)
1944     if (gtk_use_gl_area) {
1945         /* wire up GtkGlArea events */
1946         g_signal_connect(vc->gfx.drawing_area, "render",
1947                          G_CALLBACK(gd_render_event), vc);
1948         g_signal_connect(vc->gfx.drawing_area, "resize",
1949                          G_CALLBACK(gd_resize_event), vc);
1950     }
1951 #endif
1952     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1953         g_signal_connect(vc->gfx.drawing_area, "event",
1954                          G_CALLBACK(gd_event), vc);
1955         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1956                          G_CALLBACK(gd_button_event), vc);
1957         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1958                          G_CALLBACK(gd_button_event), vc);
1959         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1960                          G_CALLBACK(gd_scroll_event), vc);
1961         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1962                          G_CALLBACK(gd_key_event), vc);
1963         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1964                          G_CALLBACK(gd_key_event), vc);
1965 
1966         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1967                          G_CALLBACK(gd_enter_event), vc);
1968         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1969                          G_CALLBACK(gd_leave_event), vc);
1970         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1971                          G_CALLBACK(gd_focus_in_event), vc);
1972         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1973                          G_CALLBACK(gd_focus_out_event), vc);
1974         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1975                          G_CALLBACK(gd_configure), vc);
1976         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1977                          G_CALLBACK(gd_grab_broken_event), vc);
1978     } else {
1979         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1980                          G_CALLBACK(gd_text_key_down), vc);
1981     }
1982 }
1983 
1984 static void gd_connect_signals(GtkDisplayState *s)
1985 {
1986     g_signal_connect(s->show_tabs_item, "activate",
1987                      G_CALLBACK(gd_menu_show_tabs), s);
1988     g_signal_connect(s->untabify_item, "activate",
1989                      G_CALLBACK(gd_menu_untabify), s);
1990     g_signal_connect(s->show_menubar_item, "activate",
1991                      G_CALLBACK(gd_menu_show_menubar), s);
1992 
1993     g_signal_connect(s->window, "delete-event",
1994                      G_CALLBACK(gd_window_close), s);
1995 
1996     g_signal_connect(s->pause_item, "activate",
1997                      G_CALLBACK(gd_menu_pause), s);
1998     g_signal_connect(s->reset_item, "activate",
1999                      G_CALLBACK(gd_menu_reset), s);
2000     g_signal_connect(s->powerdown_item, "activate",
2001                      G_CALLBACK(gd_menu_powerdown), s);
2002     g_signal_connect(s->quit_item, "activate",
2003                      G_CALLBACK(gd_menu_quit), s);
2004 #if defined(CONFIG_VTE)
2005     g_signal_connect(s->copy_item, "activate",
2006                      G_CALLBACK(gd_menu_copy), s);
2007 #endif
2008     g_signal_connect(s->full_screen_item, "activate",
2009                      G_CALLBACK(gd_menu_full_screen), s);
2010     g_signal_connect(s->zoom_in_item, "activate",
2011                      G_CALLBACK(gd_menu_zoom_in), s);
2012     g_signal_connect(s->zoom_out_item, "activate",
2013                      G_CALLBACK(gd_menu_zoom_out), s);
2014     g_signal_connect(s->zoom_fixed_item, "activate",
2015                      G_CALLBACK(gd_menu_zoom_fixed), s);
2016     g_signal_connect(s->zoom_fit_item, "activate",
2017                      G_CALLBACK(gd_menu_zoom_fit), s);
2018     g_signal_connect(s->grab_item, "activate",
2019                      G_CALLBACK(gd_menu_grab_input), s);
2020     g_signal_connect(s->notebook, "switch-page",
2021                      G_CALLBACK(gd_change_page), s);
2022 }
2023 
2024 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2025 {
2026     GtkWidget *machine_menu;
2027     GtkWidget *separator;
2028 
2029     machine_menu = gtk_menu_new();
2030     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2031 
2032     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2033     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2034 
2035     separator = gtk_separator_menu_item_new();
2036     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2037 
2038     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2039     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2040 
2041     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2042     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2043 
2044     separator = gtk_separator_menu_item_new();
2045     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2046 
2047     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2048     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2049                                  "<QEMU>/Machine/Quit");
2050     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2051                             GDK_KEY_q, HOTKEY_MODIFIERS);
2052     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2053 
2054     return machine_menu;
2055 }
2056 
2057 #if defined(CONFIG_OPENGL)
2058 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2059 {
2060     gtk_gl_area_make_current(area);
2061     qemu_egl_display = eglGetCurrentDisplay();
2062     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2063     if (!vc->gfx.has_dmabuf) {
2064         error_report("GtkGLArea console lacks DMABUF support.");
2065     }
2066 }
2067 #endif
2068 
2069 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2070                               QemuConsole *con, int idx,
2071                               GSList *group, GtkWidget *view_menu)
2072 {
2073     bool zoom_to_fit = false;
2074 
2075     vc->label = qemu_console_get_label(con);
2076     vc->s = s;
2077     vc->gfx.scale_x = 1.0;
2078     vc->gfx.scale_y = 1.0;
2079 
2080 #if defined(CONFIG_OPENGL)
2081     if (display_opengl) {
2082         if (gtk_use_gl_area) {
2083             vc->gfx.drawing_area = gtk_gl_area_new();
2084             g_signal_connect(vc->gfx.drawing_area, "realize",
2085                              G_CALLBACK(gl_area_realize), vc);
2086             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2087             vc->gfx.dgc.ops = &gl_area_ctx_ops;
2088         } else {
2089 #ifdef CONFIG_X11
2090             vc->gfx.drawing_area = gtk_drawing_area_new();
2091             /*
2092              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2093              * It is required for opengl rendering on X11 though.  A
2094              * proper replacement (native opengl support) is only
2095              * available in 3.16+.  Silence the warning if possible.
2096              */
2097 #pragma GCC diagnostic push
2098 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2099             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2100 #pragma GCC diagnostic pop
2101             vc->gfx.dcl.ops = &dcl_egl_ops;
2102             vc->gfx.dgc.ops = &egl_ctx_ops;
2103             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2104 #else
2105             abort();
2106 #endif
2107         }
2108     } else
2109 #endif
2110     {
2111         vc->gfx.drawing_area = gtk_drawing_area_new();
2112         vc->gfx.dcl.ops = &dcl_ops;
2113     }
2114 
2115 
2116     gtk_widget_add_events(vc->gfx.drawing_area,
2117                           GDK_POINTER_MOTION_MASK |
2118                           GDK_BUTTON_PRESS_MASK |
2119                           GDK_BUTTON_RELEASE_MASK |
2120                           GDK_BUTTON_MOTION_MASK |
2121                           GDK_ENTER_NOTIFY_MASK |
2122                           GDK_LEAVE_NOTIFY_MASK |
2123                           GDK_SCROLL_MASK |
2124                           GDK_SMOOTH_SCROLL_MASK |
2125                           GDK_KEY_PRESS_MASK);
2126     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2127 
2128     vc->type = GD_VC_GFX;
2129     vc->tab_item = vc->gfx.drawing_area;
2130     vc->focus = vc->gfx.drawing_area;
2131     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2132                              vc->tab_item, gtk_label_new(vc->label));
2133 
2134     vc->gfx.kbd = qkbd_state_init(con);
2135     vc->gfx.dcl.con = con;
2136 
2137     if (display_opengl) {
2138         qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2139     }
2140     register_displaychangelistener(&vc->gfx.dcl);
2141 
2142     gd_connect_vc_gfx_signals(vc);
2143     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2144 
2145     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2146         zoom_to_fit = true;
2147     }
2148     if (s->opts->u.gtk.has_zoom_to_fit) {
2149         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2150     }
2151     if (zoom_to_fit) {
2152         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2153         s->free_scale = true;
2154     }
2155 
2156     return group;
2157 }
2158 
2159 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2160 {
2161     GSList *group = NULL;
2162     GtkWidget *view_menu;
2163     GtkWidget *separator;
2164     QemuConsole *con;
2165     int vc;
2166 
2167     view_menu = gtk_menu_new();
2168     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2169 
2170     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2171 
2172 #if defined(CONFIG_VTE)
2173     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2174     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2175 #endif
2176 
2177     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2178             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2179     gtk_accel_label_set_accel(
2180             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2181             GDK_KEY_f, HOTKEY_MODIFIERS);
2182     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2183 
2184     separator = gtk_separator_menu_item_new();
2185     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2186 
2187     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2188     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2189                                  "<QEMU>/View/Zoom In");
2190     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2191                             HOTKEY_MODIFIERS);
2192     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2193             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2194     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2195 
2196     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2197     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2198                                  "<QEMU>/View/Zoom Out");
2199     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2200                             HOTKEY_MODIFIERS);
2201     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2202 
2203     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2204     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2205                                  "<QEMU>/View/Zoom Fixed");
2206     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2207                             HOTKEY_MODIFIERS);
2208     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2209 
2210     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2211     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2212 
2213     separator = gtk_separator_menu_item_new();
2214     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2215 
2216     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2217     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2218 
2219     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2220     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2221                                  "<QEMU>/View/Grab Input");
2222     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2223                             HOTKEY_MODIFIERS);
2224     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2225 
2226     separator = gtk_separator_menu_item_new();
2227     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2228 
2229     /* gfx */
2230     for (vc = 0;; vc++) {
2231         con = qemu_console_lookup_by_index(vc);
2232         if (!con) {
2233             break;
2234         }
2235         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2236                                vc, group, view_menu);
2237         s->nb_vcs++;
2238     }
2239 
2240 #if defined(CONFIG_VTE)
2241     /* vte */
2242     gd_vcs_init(s, group, view_menu);
2243 #endif
2244 
2245     separator = gtk_separator_menu_item_new();
2246     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2247 
2248     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2249     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2250 
2251     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2252     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2253 
2254     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2255             _("Show Menubar"));
2256     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2257                                    TRUE);
2258     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2259             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2260     gtk_accel_label_set_accel(
2261             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2262             GDK_KEY_m, HOTKEY_MODIFIERS);
2263     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2264 
2265     return view_menu;
2266 }
2267 
2268 static void gd_create_menus(GtkDisplayState *s)
2269 {
2270     GtkSettings *settings;
2271 
2272     s->accel_group = gtk_accel_group_new();
2273     s->machine_menu = gd_create_menu_machine(s);
2274     s->view_menu = gd_create_menu_view(s);
2275 
2276     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2277     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2278                               s->machine_menu);
2279     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2280 
2281     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2282     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2283     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2284 
2285     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2286     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2287 
2288     /* Disable the default "F10" menu shortcut. */
2289     settings = gtk_widget_get_settings(s->window);
2290     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2291 }
2292 
2293 
2294 static gboolean gtkinit;
2295 
2296 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2297 {
2298     VirtualConsole *vc;
2299 
2300     GtkDisplayState *s = g_malloc0(sizeof(*s));
2301     GdkDisplay *window_display;
2302     GtkIconTheme *theme;
2303     char *dir;
2304 
2305     if (!gtkinit) {
2306         fprintf(stderr, "gtk initialization failed\n");
2307         exit(1);
2308     }
2309     assert(opts->type == DISPLAY_TYPE_GTK);
2310     s->opts = opts;
2311 
2312     theme = gtk_icon_theme_get_default();
2313     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2314     gtk_icon_theme_prepend_search_path(theme, dir);
2315     g_free(dir);
2316     g_set_prgname("qemu");
2317 
2318     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2319     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2320     s->notebook = gtk_notebook_new();
2321     s->menu_bar = gtk_menu_bar_new();
2322 
2323     s->free_scale = FALSE;
2324 
2325     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2326      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2327      * printable, but without changing any of the character classes to make
2328      * sure that we don't accidentally break implicit assumptions.  */
2329     setlocale(LC_MESSAGES, "");
2330     setlocale(LC_CTYPE, "C.UTF-8");
2331     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2332     bindtextdomain("qemu", dir);
2333     g_free(dir);
2334     bind_textdomain_codeset("qemu", "UTF-8");
2335     textdomain("qemu");
2336 
2337     window_display = gtk_widget_get_display(s->window);
2338     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2339         s->null_cursor = NULL; /* default pointer */
2340     } else {
2341         s->null_cursor = gdk_cursor_new_for_display(window_display,
2342                                                     GDK_BLANK_CURSOR);
2343     }
2344 
2345     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2346     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2347     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2348 
2349     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2350 
2351     gd_create_menus(s);
2352 
2353     gd_connect_signals(s);
2354 
2355     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2356     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2357 
2358     gd_update_caption(s);
2359 
2360     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2361     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2362 
2363     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2364 
2365     gtk_widget_show_all(s->window);
2366 
2367     vc = gd_vc_find_current(s);
2368     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2369 #ifdef CONFIG_VTE
2370     gtk_widget_set_sensitive(s->copy_item,
2371                              vc && vc->type == GD_VC_VTE);
2372 #endif
2373 
2374     if (opts->has_full_screen &&
2375         opts->full_screen) {
2376         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2377     }
2378     if (opts->u.gtk.has_grab_on_hover &&
2379         opts->u.gtk.grab_on_hover) {
2380         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2381     }
2382     gd_clipboard_init(s);
2383 }
2384 
2385 static void early_gtk_display_init(DisplayOptions *opts)
2386 {
2387     /* The QEMU code relies on the assumption that it's always run in
2388      * the C locale. Therefore it is not prepared to deal with
2389      * operations that produce different results depending on the
2390      * locale, such as printf's formatting of decimal numbers, and
2391      * possibly others.
2392      *
2393      * Since GTK+ calls setlocale() by default -importing the locale
2394      * settings from the environment- we must prevent it from doing so
2395      * using gtk_disable_setlocale().
2396      *
2397      * QEMU's GTK+ UI, however, _does_ have translations for some of
2398      * the menu items. As a trade-off between a functionally correct
2399      * QEMU and a fully internationalized UI we support importing
2400      * LC_MESSAGES from the environment (see the setlocale() call
2401      * earlier in this file). This allows us to display translated
2402      * messages leaving everything else untouched.
2403      */
2404     gtk_disable_setlocale();
2405     gtkinit = gtk_init_check(NULL, NULL);
2406     if (!gtkinit) {
2407         /* don't exit yet, that'll break -help */
2408         return;
2409     }
2410 
2411     assert(opts->type == DISPLAY_TYPE_GTK);
2412     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2413 #if defined(CONFIG_OPENGL)
2414 #if defined(GDK_WINDOWING_WAYLAND)
2415         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2416             gtk_use_gl_area = true;
2417             gtk_gl_area_init();
2418         } else
2419 #endif
2420         {
2421 #ifdef CONFIG_X11
2422             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2423             gtk_egl_init(mode);
2424 #endif
2425         }
2426 #endif
2427     }
2428 
2429     keycode_map = gd_get_keymap(&keycode_maplen);
2430 
2431 #if defined(CONFIG_VTE)
2432     type_register(&char_gd_vc_type_info);
2433 #endif
2434 }
2435 
2436 static QemuDisplay qemu_display_gtk = {
2437     .type       = DISPLAY_TYPE_GTK,
2438     .early_init = early_gtk_display_init,
2439     .init       = gtk_display_init,
2440 };
2441 
2442 static void register_gtk(void)
2443 {
2444     qemu_display_register(&qemu_display_gtk);
2445 }
2446 
2447 type_init(register_gtk);
2448 
2449 #ifdef CONFIG_OPENGL
2450 module_dep("ui-opengl");
2451 #endif
2452