xref: /openbmc/qemu/ui/gtk.c (revision e3ae2bbf)
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 const DisplayGLCtxOps gl_area_ctx_ops = {
618     .compatible_dcl          = &dcl_gl_area_ops,
619     .dpy_gl_ctx_create       = gd_gl_area_create_context,
620     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
621     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
622 };
623 
624 #ifdef CONFIG_X11
625 static const DisplayChangeListenerOps dcl_egl_ops = {
626     .dpy_name             = "gtk-egl",
627     .dpy_gfx_update       = gd_egl_update,
628     .dpy_gfx_switch       = gd_egl_switch,
629     .dpy_gfx_check_format = console_gl_check_format,
630     .dpy_refresh          = gd_egl_refresh,
631     .dpy_mouse_set        = gd_mouse_set,
632     .dpy_cursor_define    = gd_cursor_define,
633 
634     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
635     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
636     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
637     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
638     .dpy_gl_cursor_position  = gd_egl_cursor_position,
639     .dpy_gl_update           = gd_egl_flush,
640     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
641     .dpy_has_dmabuf          = gd_has_dmabuf,
642 };
643 
644 static const DisplayGLCtxOps egl_ctx_ops = {
645     .compatible_dcl          = &dcl_egl_ops,
646     .dpy_gl_ctx_create       = gd_egl_create_context,
647     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
648     .dpy_gl_ctx_make_current = gd_egl_make_current,
649 };
650 #endif
651 
652 #endif /* CONFIG_OPENGL */
653 
654 /** QEMU Events **/
655 
656 static void gd_change_runstate(void *opaque, bool running, RunState state)
657 {
658     GtkDisplayState *s = opaque;
659 
660     gd_update_caption(s);
661 }
662 
663 static void gd_mouse_mode_change(Notifier *notify, void *data)
664 {
665     GtkDisplayState *s;
666     int i;
667 
668     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
669     /* release the grab at switching to absolute mode */
670     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
671         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
672                                        FALSE);
673     }
674     for (i = 0; i < s->nb_vcs; i++) {
675         VirtualConsole *vc = &s->vc[i];
676         gd_update_cursor(vc);
677     }
678 }
679 
680 /** GTK Events **/
681 
682 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
683                                 void *opaque)
684 {
685     GtkDisplayState *s = opaque;
686     bool allow_close = true;
687 
688     if (s->opts->has_window_close && !s->opts->window_close) {
689         allow_close = false;
690     }
691 
692     if (allow_close) {
693         qmp_quit(NULL);
694     }
695 
696     return TRUE;
697 }
698 
699 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
700 {
701     QemuUIInfo info;
702 
703     memset(&info, 0, sizeof(info));
704     info.width = width;
705     info.height = height;
706     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
707 }
708 
709 #if defined(CONFIG_OPENGL)
710 
711 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
712                                 void *opaque)
713 {
714     VirtualConsole *vc = opaque;
715 
716     if (vc->gfx.gls) {
717         gd_gl_area_draw(vc);
718     }
719     return TRUE;
720 }
721 
722 static void gd_resize_event(GtkGLArea *area,
723                             gint width, gint height, gpointer *opaque)
724 {
725     VirtualConsole *vc = (void *)opaque;
726 
727     gd_set_ui_info(vc, width, height);
728 }
729 
730 #endif
731 
732 /*
733  * If available, return the update interval of the monitor in ms,
734  * else return 0 (the default update interval).
735  */
736 int gd_monitor_update_interval(GtkWidget *widget)
737 {
738 #ifdef GDK_VERSION_3_22
739     GdkWindow *win = gtk_widget_get_window(widget);
740 
741     if (win) {
742         GdkDisplay *dpy = gtk_widget_get_display(widget);
743         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
744         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
745 
746         if (refresh_rate) {
747             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
748             return MIN(1000 * 1000 / refresh_rate,
749                        GUI_REFRESH_INTERVAL_DEFAULT);
750         }
751     }
752 #endif
753     return 0;
754 }
755 
756 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
757 {
758     VirtualConsole *vc = opaque;
759     GtkDisplayState *s = vc->s;
760     int mx, my;
761     int ww, wh;
762     int fbw, fbh;
763 
764 #if defined(CONFIG_OPENGL)
765     if (vc->gfx.gls) {
766         if (gtk_use_gl_area) {
767             /* invoke render callback please */
768             return FALSE;
769         } else {
770 #ifdef CONFIG_X11
771             gd_egl_draw(vc);
772             return TRUE;
773 #else
774             abort();
775 #endif
776         }
777     }
778 #endif
779 
780     if (!gtk_widget_get_realized(widget)) {
781         return FALSE;
782     }
783     if (!vc->gfx.ds) {
784         return FALSE;
785     }
786     if (!vc->gfx.surface) {
787         return FALSE;
788     }
789 
790     vc->gfx.dcl.update_interval =
791         gd_monitor_update_interval(vc->window ? vc->window : s->window);
792 
793     fbw = surface_width(vc->gfx.ds);
794     fbh = surface_height(vc->gfx.ds);
795 
796     ww = gdk_window_get_width(gtk_widget_get_window(widget));
797     wh = gdk_window_get_height(gtk_widget_get_window(widget));
798 
799     if (s->full_screen) {
800         vc->gfx.scale_x = (double)ww / fbw;
801         vc->gfx.scale_y = (double)wh / fbh;
802     } else if (s->free_scale) {
803         double sx, sy;
804 
805         sx = (double)ww / fbw;
806         sy = (double)wh / fbh;
807 
808         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
809     }
810 
811     fbw *= vc->gfx.scale_x;
812     fbh *= vc->gfx.scale_y;
813 
814     mx = my = 0;
815     if (ww > fbw) {
816         mx = (ww - fbw) / 2;
817     }
818     if (wh > fbh) {
819         my = (wh - fbh) / 2;
820     }
821 
822     cairo_rectangle(cr, 0, 0, ww, wh);
823 
824     /* Optionally cut out the inner area where the pixmap
825        will be drawn. This avoids 'flashing' since we're
826        not double-buffering. Note we're using the undocumented
827        behaviour of drawing the rectangle from right to left
828        to cut out the whole */
829     cairo_rectangle(cr, mx + fbw, my,
830                     -1 * fbw, fbh);
831     cairo_fill(cr);
832 
833     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
834     cairo_set_source_surface(cr, vc->gfx.surface,
835                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
836     cairo_paint(cr);
837 
838     return TRUE;
839 }
840 
841 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
842                                 void *opaque)
843 {
844     VirtualConsole *vc = opaque;
845     GtkDisplayState *s = vc->s;
846     GdkWindow *window;
847     int x, y;
848     int mx, my;
849     int fbh, fbw;
850     int ww, wh, ws;
851 
852     if (!vc->gfx.ds) {
853         return TRUE;
854     }
855 
856     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
857     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
858 
859     window = gtk_widget_get_window(vc->gfx.drawing_area);
860     ww = gdk_window_get_width(window);
861     wh = gdk_window_get_height(window);
862     ws = gdk_window_get_scale_factor(window);
863 
864     mx = my = 0;
865     if (ww > fbw) {
866         mx = (ww - fbw) / 2;
867     }
868     if (wh > fbh) {
869         my = (wh - fbh) / 2;
870     }
871 
872     x = (motion->x - mx) / vc->gfx.scale_x * ws;
873     y = (motion->y - my) / vc->gfx.scale_y * ws;
874 
875     if (qemu_input_is_absolute()) {
876         if (x < 0 || y < 0 ||
877             x >= surface_width(vc->gfx.ds) ||
878             y >= surface_height(vc->gfx.ds)) {
879             return TRUE;
880         }
881         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
882                              0, surface_width(vc->gfx.ds));
883         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
884                              0, surface_height(vc->gfx.ds));
885         qemu_input_event_sync();
886     } else if (s->last_set && s->ptr_owner == vc) {
887         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
888         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
889         qemu_input_event_sync();
890     }
891     s->last_x = x;
892     s->last_y = y;
893     s->last_set = TRUE;
894 
895     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
896         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
897         GdkDisplay *dpy = gtk_widget_get_display(widget);
898         GdkWindow *win = gtk_widget_get_window(widget);
899         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
900         GdkRectangle geometry;
901 
902         int x = (int)motion->x_root;
903         int y = (int)motion->y_root;
904 
905         gdk_monitor_get_geometry(monitor, &geometry);
906 
907         /* In relative mode check to see if client pointer hit
908          * one of the monitor edges, and if so move it back to the
909          * center of the monitor. This is important because the pointer
910          * in the server doesn't correspond 1-for-1, and so
911          * may still be only half way across the screen. Without
912          * this warp, the server pointer would thus appear to hit
913          * an invisible wall */
914         if (x <= geometry.x || x - geometry.x >= geometry.width - 1 ||
915             y <= geometry.y || y - geometry.y >= geometry.height - 1) {
916             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
917             x = geometry.x + geometry.width / 2;
918             y = geometry.y + geometry.height / 2;
919 
920             gdk_device_warp(dev, screen, x, y);
921             s->last_set = FALSE;
922             return FALSE;
923         }
924     }
925     return TRUE;
926 }
927 
928 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
929                                 void *opaque)
930 {
931     VirtualConsole *vc = opaque;
932     GtkDisplayState *s = vc->s;
933     InputButton btn;
934 
935     /* implicitly grab the input at the first click in the relative mode */
936     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
937         !qemu_input_is_absolute() && s->ptr_owner != vc) {
938         if (!vc->window) {
939             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
940                                            TRUE);
941         } else {
942             gd_grab_pointer(vc, "relative-mode-click");
943         }
944         return TRUE;
945     }
946 
947     if (button->button == 1) {
948         btn = INPUT_BUTTON_LEFT;
949     } else if (button->button == 2) {
950         btn = INPUT_BUTTON_MIDDLE;
951     } else if (button->button == 3) {
952         btn = INPUT_BUTTON_RIGHT;
953     } else if (button->button == 8) {
954         btn = INPUT_BUTTON_SIDE;
955     } else if (button->button == 9) {
956         btn = INPUT_BUTTON_EXTRA;
957     } else {
958         return TRUE;
959     }
960 
961     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
962                          button->type == GDK_BUTTON_PRESS);
963     qemu_input_event_sync();
964     return TRUE;
965 }
966 
967 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
968                                 void *opaque)
969 {
970     VirtualConsole *vc = opaque;
971     InputButton btn_vertical;
972     InputButton btn_horizontal;
973     bool has_vertical = false;
974     bool has_horizontal = false;
975 
976     if (scroll->direction == GDK_SCROLL_UP) {
977         btn_vertical = INPUT_BUTTON_WHEEL_UP;
978         has_vertical = true;
979     } else if (scroll->direction == GDK_SCROLL_DOWN) {
980         btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
981         has_vertical = true;
982     } else if (scroll->direction == GDK_SCROLL_LEFT) {
983         btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
984         has_horizontal = true;
985     } else if (scroll->direction == GDK_SCROLL_RIGHT) {
986         btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
987         has_horizontal = true;
988     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
989         gdouble delta_x, delta_y;
990         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
991                                          &delta_x, &delta_y)) {
992             return TRUE;
993         }
994 
995         if (delta_y > 0) {
996             btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
997             has_vertical = true;
998         } else if (delta_y < 0) {
999             btn_vertical = INPUT_BUTTON_WHEEL_UP;
1000             has_vertical = true;
1001         } else if (delta_x > 0) {
1002             btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1003             has_horizontal = true;
1004         } else if (delta_x < 0) {
1005             btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1006             has_horizontal = true;
1007         } else {
1008             return TRUE;
1009         }
1010     } else {
1011         return TRUE;
1012     }
1013 
1014     if (has_vertical) {
1015         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1016         qemu_input_event_sync();
1017         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1018         qemu_input_event_sync();
1019     }
1020 
1021     if (has_horizontal) {
1022         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1023         qemu_input_event_sync();
1024         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1025         qemu_input_event_sync();
1026     }
1027 
1028     return TRUE;
1029 }
1030 
1031 
1032 static const guint16 *gd_get_keymap(size_t *maplen)
1033 {
1034     GdkDisplay *dpy = gdk_display_get_default();
1035 
1036 #ifdef GDK_WINDOWING_X11
1037     if (GDK_IS_X11_DISPLAY(dpy)) {
1038         trace_gd_keymap_windowing("x11");
1039         return qemu_xkeymap_mapping_table(
1040             gdk_x11_display_get_xdisplay(dpy), maplen);
1041     }
1042 #endif
1043 
1044 #ifdef GDK_WINDOWING_WAYLAND
1045     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1046         trace_gd_keymap_windowing("wayland");
1047         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1048         return qemu_input_map_xorgevdev_to_qcode;
1049     }
1050 #endif
1051 
1052 #ifdef GDK_WINDOWING_WIN32
1053     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1054         trace_gd_keymap_windowing("win32");
1055         *maplen = qemu_input_map_atset1_to_qcode_len;
1056         return qemu_input_map_atset1_to_qcode;
1057     }
1058 #endif
1059 
1060 #ifdef GDK_WINDOWING_QUARTZ
1061     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1062         trace_gd_keymap_windowing("quartz");
1063         *maplen = qemu_input_map_osx_to_qcode_len;
1064         return qemu_input_map_osx_to_qcode;
1065     }
1066 #endif
1067 
1068 #ifdef GDK_WINDOWING_BROADWAY
1069     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1070         trace_gd_keymap_windowing("broadway");
1071         g_warning("experimental: using broadway, x11 virtual keysym\n"
1072                   "mapping - with very limited support. See also\n"
1073                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1074         *maplen = qemu_input_map_x11_to_qcode_len;
1075         return qemu_input_map_x11_to_qcode;
1076     }
1077 #endif
1078 
1079     g_warning("Unsupported GDK Windowing platform.\n"
1080               "Disabling extended keycode tables.\n"
1081               "Please report to qemu-devel@nongnu.org\n"
1082               "including the following information:\n"
1083               "\n"
1084               "  - Operating system\n"
1085               "  - GDK Windowing system build\n");
1086     return NULL;
1087 }
1088 
1089 
1090 static int gd_map_keycode(int scancode)
1091 {
1092     if (!keycode_map) {
1093         return 0;
1094     }
1095     if (scancode > keycode_maplen) {
1096         return 0;
1097     }
1098 
1099     return keycode_map[scancode];
1100 }
1101 
1102 static int gd_get_keycode(GdkEventKey *key)
1103 {
1104 #ifdef G_OS_WIN32
1105     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1106 
1107     /* translate Windows native scancodes to atset1 keycodes */
1108     switch (scancode & (KF_EXTENDED | 0xff)) {
1109     case 0x145:     /* NUMLOCK */
1110         return scancode & 0xff;
1111     }
1112 
1113     return scancode & KF_EXTENDED ?
1114         0xe000 | (scancode & 0xff) : scancode & 0xff;
1115 
1116 #else
1117     return key->hardware_keycode;
1118 #endif
1119 }
1120 
1121 static gboolean gd_text_key_down(GtkWidget *widget,
1122                                  GdkEventKey *key, void *opaque)
1123 {
1124     VirtualConsole *vc = opaque;
1125     QemuConsole *con = vc->gfx.dcl.con;
1126 
1127     if (key->keyval == GDK_KEY_Delete) {
1128         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1129     } else if (key->length) {
1130         kbd_put_string_console(con, key->string, key->length);
1131     } else {
1132         int qcode = gd_map_keycode(gd_get_keycode(key));
1133         kbd_put_qcode_console(con, qcode, false);
1134     }
1135     return TRUE;
1136 }
1137 
1138 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1139 {
1140     VirtualConsole *vc = opaque;
1141     int keycode, qcode;
1142 
1143 #ifdef G_OS_WIN32
1144     /* on windows, we ought to ignore the reserved key event? */
1145     if (key->hardware_keycode == 0xff)
1146         return false;
1147 
1148     if (!vc->s->kbd_owner) {
1149         if (key->hardware_keycode == VK_LWIN ||
1150             key->hardware_keycode == VK_RWIN) {
1151             return FALSE;
1152         }
1153     }
1154 #endif
1155 
1156     if (key->keyval == GDK_KEY_Pause
1157 #ifdef G_OS_WIN32
1158         /* for some reason GDK does not fill keyval for VK_PAUSE
1159          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1160          */
1161         || key->hardware_keycode == VK_PAUSE
1162 #endif
1163         ) {
1164         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1165                              key->type == GDK_KEY_PRESS);
1166         return TRUE;
1167     }
1168 
1169     keycode = gd_get_keycode(key);
1170     qcode = gd_map_keycode(keycode);
1171 
1172     trace_gd_key_event(vc->label, keycode, qcode,
1173                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1174 
1175     qkbd_state_key_event(vc->gfx.kbd, qcode,
1176                          key->type == GDK_KEY_PRESS);
1177 
1178     return TRUE;
1179 }
1180 
1181 static gboolean gd_grab_broken_event(GtkWidget *widget,
1182                                      GdkEventGrabBroken *event, void *opaque)
1183 {
1184 #ifdef CONFIG_WIN32
1185     /*
1186      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1187      * key combination leaves all three keys in a stuck condition. We use
1188      * the grab-broken-event to release all keys.
1189      */
1190     if (event->keyboard) {
1191         VirtualConsole *vc = opaque;
1192         GtkDisplayState *s = vc->s;
1193 
1194         gtk_release_modifiers(s);
1195     }
1196 #endif
1197     return TRUE;
1198 }
1199 
1200 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1201 {
1202     if (event->type == GDK_MOTION_NOTIFY) {
1203         return gd_motion_event(widget, &event->motion, opaque);
1204     }
1205     return FALSE;
1206 }
1207 
1208 /** Window Menu Actions **/
1209 
1210 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1211 {
1212     GtkDisplayState *s = opaque;
1213 
1214     if (s->external_pause_update) {
1215         return;
1216     }
1217     if (runstate_is_running()) {
1218         qmp_stop(NULL);
1219     } else {
1220         qmp_cont(NULL);
1221     }
1222 }
1223 
1224 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1225 {
1226     qmp_system_reset(NULL);
1227 }
1228 
1229 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1230 {
1231     qmp_system_powerdown(NULL);
1232 }
1233 
1234 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1235 {
1236     qmp_quit(NULL);
1237 }
1238 
1239 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1240 {
1241     GtkDisplayState *s = opaque;
1242     VirtualConsole *vc = gd_vc_find_by_menu(s);
1243     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1244     gint page;
1245 
1246     gtk_release_modifiers(s);
1247     if (vc) {
1248         page = gtk_notebook_page_num(nb, vc->tab_item);
1249         gtk_notebook_set_current_page(nb, page);
1250         gtk_widget_grab_focus(vc->focus);
1251     }
1252 }
1253 
1254 static void gd_accel_switch_vc(void *opaque)
1255 {
1256     VirtualConsole *vc = opaque;
1257 
1258     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1259 }
1260 
1261 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1262 {
1263     GtkDisplayState *s = opaque;
1264     VirtualConsole *vc = gd_vc_find_current(s);
1265 
1266     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1267         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1268     } else {
1269         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1270     }
1271     gd_update_windowsize(vc);
1272 }
1273 
1274 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1275                                     void *opaque)
1276 {
1277     VirtualConsole *vc = opaque;
1278     GtkDisplayState *s = vc->s;
1279 
1280     gtk_widget_set_sensitive(vc->menu_item, true);
1281     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1282     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1283                                     vc->tab_item, vc->label);
1284     gtk_widget_destroy(vc->window);
1285     vc->window = NULL;
1286 #if defined(CONFIG_OPENGL)
1287     if (vc->gfx.esurface) {
1288         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1289         vc->gfx.esurface = NULL;
1290     }
1291     if (vc->gfx.ectx) {
1292         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1293         vc->gfx.ectx = NULL;
1294     }
1295 #endif
1296     return TRUE;
1297 }
1298 
1299 static gboolean gd_win_grab(void *opaque)
1300 {
1301     VirtualConsole *vc = opaque;
1302 
1303     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1304     if (vc->s->ptr_owner) {
1305         gd_ungrab_pointer(vc->s);
1306     } else {
1307         gd_grab_pointer(vc, "user-request-detached-tab");
1308     }
1309     return TRUE;
1310 }
1311 
1312 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1313 {
1314     GtkDisplayState *s = opaque;
1315     VirtualConsole *vc = gd_vc_find_current(s);
1316 
1317     if (vc->type == GD_VC_GFX &&
1318         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1319         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1320                                        FALSE);
1321     }
1322     if (!vc->window) {
1323         gtk_widget_set_sensitive(vc->menu_item, false);
1324         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1325 #if defined(CONFIG_OPENGL)
1326         if (vc->gfx.esurface) {
1327             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1328             vc->gfx.esurface = NULL;
1329         }
1330         if (vc->gfx.esurface) {
1331             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1332             vc->gfx.ectx = NULL;
1333         }
1334 #endif
1335         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1336 
1337         g_signal_connect(vc->window, "delete-event",
1338                          G_CALLBACK(gd_tab_window_close), vc);
1339         gtk_widget_show_all(vc->window);
1340 
1341         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1342             GtkAccelGroup *ag = gtk_accel_group_new();
1343             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1344 
1345             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1346                                                vc, NULL);
1347             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1348         }
1349 
1350         gd_update_geometry_hints(vc);
1351         gd_update_caption(s);
1352     }
1353 }
1354 
1355 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1356 {
1357     GtkDisplayState *s = opaque;
1358     VirtualConsole *vc = gd_vc_find_current(s);
1359 
1360     if (s->full_screen) {
1361         return;
1362     }
1363 
1364     if (gtk_check_menu_item_get_active(
1365                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1366         gtk_widget_show(s->menu_bar);
1367     } else {
1368         gtk_widget_hide(s->menu_bar);
1369     }
1370     gd_update_windowsize(vc);
1371 }
1372 
1373 static void gd_accel_show_menubar(void *opaque)
1374 {
1375     GtkDisplayState *s = opaque;
1376     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1377 }
1378 
1379 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1380 {
1381     GtkDisplayState *s = opaque;
1382     VirtualConsole *vc = gd_vc_find_current(s);
1383 
1384     if (!s->full_screen) {
1385         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1386         gtk_widget_hide(s->menu_bar);
1387         if (vc->type == GD_VC_GFX) {
1388             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1389         }
1390         gtk_window_fullscreen(GTK_WINDOW(s->window));
1391         s->full_screen = TRUE;
1392     } else {
1393         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1394         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1395         if (gtk_check_menu_item_get_active(
1396                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1397             gtk_widget_show(s->menu_bar);
1398         }
1399         s->full_screen = FALSE;
1400         if (vc->type == GD_VC_GFX) {
1401             vc->gfx.scale_x = 1.0;
1402             vc->gfx.scale_y = 1.0;
1403             gd_update_windowsize(vc);
1404         }
1405     }
1406 
1407     gd_update_cursor(vc);
1408 }
1409 
1410 static void gd_accel_full_screen(void *opaque)
1411 {
1412     GtkDisplayState *s = opaque;
1413     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1414 }
1415 
1416 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1417 {
1418     GtkDisplayState *s = opaque;
1419     VirtualConsole *vc = gd_vc_find_current(s);
1420 
1421     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1422                                    FALSE);
1423 
1424     vc->gfx.scale_x += VC_SCALE_STEP;
1425     vc->gfx.scale_y += VC_SCALE_STEP;
1426 
1427     gd_update_windowsize(vc);
1428 }
1429 
1430 static void gd_accel_zoom_in(void *opaque)
1431 {
1432     GtkDisplayState *s = opaque;
1433     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1434 }
1435 
1436 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1437 {
1438     GtkDisplayState *s = opaque;
1439     VirtualConsole *vc = gd_vc_find_current(s);
1440 
1441     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1442                                    FALSE);
1443 
1444     vc->gfx.scale_x -= VC_SCALE_STEP;
1445     vc->gfx.scale_y -= VC_SCALE_STEP;
1446 
1447     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1448     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1449 
1450     gd_update_windowsize(vc);
1451 }
1452 
1453 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1454 {
1455     GtkDisplayState *s = opaque;
1456     VirtualConsole *vc = gd_vc_find_current(s);
1457 
1458     vc->gfx.scale_x = 1.0;
1459     vc->gfx.scale_y = 1.0;
1460 
1461     gd_update_windowsize(vc);
1462 }
1463 
1464 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1465 {
1466     GtkDisplayState *s = opaque;
1467     VirtualConsole *vc = gd_vc_find_current(s);
1468 
1469     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1470         s->free_scale = TRUE;
1471     } else {
1472         s->free_scale = FALSE;
1473         vc->gfx.scale_x = 1.0;
1474         vc->gfx.scale_y = 1.0;
1475     }
1476 
1477     gd_update_windowsize(vc);
1478     gd_update_full_redraw(vc);
1479 }
1480 
1481 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1482 {
1483     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1484     GdkSeat *seat = gdk_display_get_default_seat(display);
1485     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1486     GdkSeatCapabilities caps = 0;
1487     GdkCursor *cursor = NULL;
1488 
1489     if (kbd) {
1490         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1491     }
1492     if (ptr) {
1493         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1494         cursor = vc->s->null_cursor;
1495     }
1496 
1497     if (caps) {
1498         gdk_seat_grab(seat, window, caps, false, cursor,
1499                       NULL, NULL, NULL);
1500     } else {
1501         gdk_seat_ungrab(seat);
1502     }
1503 }
1504 
1505 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1506 {
1507     if (vc->s->kbd_owner) {
1508         if (vc->s->kbd_owner == vc) {
1509             return;
1510         } else {
1511             gd_ungrab_keyboard(vc->s);
1512         }
1513     }
1514 
1515     win32_kbd_set_grab(true);
1516     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1517     vc->s->kbd_owner = vc;
1518     gd_update_caption(vc->s);
1519     trace_gd_grab(vc->label, "kbd", reason);
1520 }
1521 
1522 static void gd_ungrab_keyboard(GtkDisplayState *s)
1523 {
1524     VirtualConsole *vc = s->kbd_owner;
1525 
1526     if (vc == NULL) {
1527         return;
1528     }
1529     s->kbd_owner = NULL;
1530 
1531     win32_kbd_set_grab(false);
1532     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1533     gd_update_caption(s);
1534     trace_gd_ungrab(vc->label, "kbd");
1535 }
1536 
1537 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1538 {
1539     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1540 
1541     if (vc->s->ptr_owner) {
1542         if (vc->s->ptr_owner == vc) {
1543             return;
1544         } else {
1545             gd_ungrab_pointer(vc->s);
1546         }
1547     }
1548 
1549     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1550     gdk_device_get_position(gd_get_pointer(display),
1551                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1552     vc->s->ptr_owner = vc;
1553     gd_update_caption(vc->s);
1554     trace_gd_grab(vc->label, "ptr", reason);
1555 }
1556 
1557 static void gd_ungrab_pointer(GtkDisplayState *s)
1558 {
1559     VirtualConsole *vc = s->ptr_owner;
1560     GdkDisplay *display;
1561 
1562     if (vc == NULL) {
1563         return;
1564     }
1565     s->ptr_owner = NULL;
1566 
1567     display = gtk_widget_get_display(vc->gfx.drawing_area);
1568     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1569     gdk_device_warp(gd_get_pointer(display),
1570                     gtk_widget_get_screen(vc->gfx.drawing_area),
1571                     vc->s->grab_x_root, vc->s->grab_y_root);
1572     gd_update_caption(s);
1573     trace_gd_ungrab(vc->label, "ptr");
1574 }
1575 
1576 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1577 {
1578     GtkDisplayState *s = opaque;
1579     VirtualConsole *vc = gd_vc_find_current(s);
1580 
1581     if (gd_is_grab_active(s)) {
1582         gd_grab_keyboard(vc, "user-request-main-window");
1583         gd_grab_pointer(vc, "user-request-main-window");
1584     } else {
1585         gd_ungrab_keyboard(s);
1586         gd_ungrab_pointer(s);
1587     }
1588 
1589     gd_update_cursor(vc);
1590 }
1591 
1592 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1593                            gpointer data)
1594 {
1595     GtkDisplayState *s = data;
1596     VirtualConsole *vc;
1597     gboolean on_vga;
1598 
1599     if (!gtk_widget_get_realized(s->notebook)) {
1600         return;
1601     }
1602 
1603     vc = gd_vc_find_by_page(s, arg2);
1604     if (!vc) {
1605         return;
1606     }
1607     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1608                                    TRUE);
1609     on_vga = (vc->type == GD_VC_GFX &&
1610               qemu_console_is_graphic(vc->gfx.dcl.con));
1611     if (!on_vga) {
1612         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1613                                        FALSE);
1614     } else if (s->full_screen) {
1615         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1616                                        TRUE);
1617     }
1618     gtk_widget_set_sensitive(s->grab_item, on_vga);
1619 #ifdef CONFIG_VTE
1620     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1621 #endif
1622 
1623     gd_update_windowsize(vc);
1624     gd_update_cursor(vc);
1625 }
1626 
1627 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1628                                gpointer opaque)
1629 {
1630     VirtualConsole *vc = opaque;
1631     GtkDisplayState *s = vc->s;
1632 
1633     if (gd_grab_on_hover(s)) {
1634         gd_grab_keyboard(vc, "grab-on-hover");
1635     }
1636     return TRUE;
1637 }
1638 
1639 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1640                                gpointer opaque)
1641 {
1642     VirtualConsole *vc = opaque;
1643     GtkDisplayState *s = vc->s;
1644 
1645     if (gd_grab_on_hover(s)) {
1646         gd_ungrab_keyboard(s);
1647     }
1648     return TRUE;
1649 }
1650 
1651 static gboolean gd_focus_in_event(GtkWidget *widget,
1652                                   GdkEventFocus *event, gpointer opaque)
1653 {
1654     VirtualConsole *vc = opaque;
1655 
1656     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1657     return TRUE;
1658 }
1659 
1660 static gboolean gd_focus_out_event(GtkWidget *widget,
1661                                    GdkEventFocus *event, gpointer opaque)
1662 {
1663     VirtualConsole *vc = opaque;
1664     GtkDisplayState *s = vc->s;
1665 
1666     win32_kbd_set_window(NULL);
1667     gtk_release_modifiers(s);
1668     return TRUE;
1669 }
1670 
1671 static gboolean gd_configure(GtkWidget *widget,
1672                              GdkEventConfigure *cfg, gpointer opaque)
1673 {
1674     VirtualConsole *vc = opaque;
1675 
1676     gd_set_ui_info(vc, cfg->width, cfg->height);
1677     return FALSE;
1678 }
1679 
1680 /** Virtual Console Callbacks **/
1681 
1682 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1683                                int idx, GSList *group, GtkWidget *view_menu)
1684 {
1685     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1686     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1687             HOTKEY_MODIFIERS, 0,
1688             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1689     gtk_accel_label_set_accel(
1690             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1691             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1692 
1693     g_signal_connect(vc->menu_item, "activate",
1694                      G_CALLBACK(gd_menu_switch_vc), s);
1695     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1696 
1697     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1698 }
1699 
1700 #if defined(CONFIG_VTE)
1701 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1702 {
1703     GtkDisplayState *s = opaque;
1704     VirtualConsole *vc = gd_vc_find_current(s);
1705 
1706 #if VTE_CHECK_VERSION(0, 50, 0)
1707     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1708                                        VTE_FORMAT_TEXT);
1709 #else
1710     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1711 #endif
1712 }
1713 
1714 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1715 {
1716     VirtualConsole *vc = opaque;
1717 
1718     if (gtk_adjustment_get_upper(adjustment) >
1719         gtk_adjustment_get_page_size(adjustment)) {
1720         gtk_widget_show(vc->vte.scrollbar);
1721     } else {
1722         gtk_widget_hide(vc->vte.scrollbar);
1723     }
1724 }
1725 
1726 static void gd_vc_send_chars(VirtualConsole *vc)
1727 {
1728     uint32_t len, avail;
1729 
1730     len = qemu_chr_be_can_write(vc->vte.chr);
1731     avail = fifo8_num_used(&vc->vte.out_fifo);
1732     while (len > 0 && avail > 0) {
1733         const uint8_t *buf;
1734         uint32_t size;
1735 
1736         buf = fifo8_pop_buf(&vc->vte.out_fifo, MIN(len, avail), &size);
1737         qemu_chr_be_write(vc->vte.chr, (uint8_t *)buf, size);
1738         len = qemu_chr_be_can_write(vc->vte.chr);
1739         avail -= size;
1740     }
1741 }
1742 
1743 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1744 {
1745     VCChardev *vcd = VC_CHARDEV(chr);
1746     VirtualConsole *vc = vcd->console;
1747 
1748     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1749     return len;
1750 }
1751 
1752 static void gd_vc_chr_accept_input(Chardev *chr)
1753 {
1754     VCChardev *vcd = VC_CHARDEV(chr);
1755     VirtualConsole *vc = vcd->console;
1756 
1757     gd_vc_send_chars(vc);
1758 }
1759 
1760 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1761 {
1762     VCChardev *vcd = VC_CHARDEV(chr);
1763     VirtualConsole *vc = vcd->console;
1764 
1765     if (vc) {
1766         vc->vte.echo = echo;
1767     } else {
1768         vcd->echo = echo;
1769     }
1770 }
1771 
1772 static int nb_vcs;
1773 static Chardev *vcs[MAX_VCS];
1774 static void gd_vc_open(Chardev *chr,
1775                        ChardevBackend *backend,
1776                        bool *be_opened,
1777                        Error **errp)
1778 {
1779     if (nb_vcs == MAX_VCS) {
1780         error_setg(errp, "Maximum number of consoles reached");
1781         return;
1782     }
1783 
1784     vcs[nb_vcs++] = chr;
1785 
1786     /* console/chardev init sometimes completes elsewhere in a 2nd
1787      * stage, so defer OPENED events until they are fully initialized
1788      */
1789     *be_opened = false;
1790 }
1791 
1792 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1793 {
1794     ChardevClass *cc = CHARDEV_CLASS(oc);
1795 
1796     cc->parse = qemu_chr_parse_vc;
1797     cc->open = gd_vc_open;
1798     cc->chr_write = gd_vc_chr_write;
1799     cc->chr_accept_input = gd_vc_chr_accept_input;
1800     cc->chr_set_echo = gd_vc_chr_set_echo;
1801 }
1802 
1803 static const TypeInfo char_gd_vc_type_info = {
1804     .name = TYPE_CHARDEV_VC,
1805     .parent = TYPE_CHARDEV,
1806     .instance_size = sizeof(VCChardev),
1807     .class_init = char_gd_vc_class_init,
1808 };
1809 
1810 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1811                          gpointer user_data)
1812 {
1813     VirtualConsole *vc = user_data;
1814     uint32_t free;
1815 
1816     if (vc->vte.echo) {
1817         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1818         int i;
1819         for (i = 0; i < size; i++) {
1820             uint8_t c = text[i];
1821             if (c >= 128 || isprint(c)) {
1822                 /* 8-bit characters are considered printable.  */
1823                 vte_terminal_feed(term, &text[i], 1);
1824             } else if (c == '\r' || c == '\n') {
1825                 vte_terminal_feed(term, "\r\n", 2);
1826             } else {
1827                 char ctrl[2] = { '^', 0};
1828                 ctrl[1] = text[i] ^ 64;
1829                 vte_terminal_feed(term, ctrl, 2);
1830             }
1831         }
1832     }
1833 
1834     free = fifo8_num_free(&vc->vte.out_fifo);
1835     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1836     gd_vc_send_chars(vc);
1837 
1838     return TRUE;
1839 }
1840 
1841 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1842                               Chardev *chr, int idx,
1843                               GSList *group, GtkWidget *view_menu)
1844 {
1845     char buffer[32];
1846     GtkWidget *box;
1847     GtkWidget *scrollbar;
1848     GtkAdjustment *vadjustment;
1849     VCChardev *vcd = VC_CHARDEV(chr);
1850 
1851     vc->s = s;
1852     vc->vte.echo = vcd->echo;
1853     vc->vte.chr = chr;
1854     fifo8_create(&vc->vte.out_fifo, 4096);
1855     vcd->console = vc;
1856 
1857     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1858     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1859                                 ? vc->vte.chr->label : buffer);
1860     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1861 
1862     vc->vte.terminal = vte_terminal_new();
1863     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1864 
1865     /* The documentation says that the default is UTF-8, but actually it is
1866      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1867      * VTE 0.54 (only UTF-8 is supported now). */
1868 #if !VTE_CHECK_VERSION(0, 54, 0)
1869 #if VTE_CHECK_VERSION(0, 38, 0)
1870     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1871 #else
1872     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1873 #endif
1874 #endif
1875 
1876     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1877     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1878                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1879 
1880 #if VTE_CHECK_VERSION(0, 28, 0)
1881     vadjustment = gtk_scrollable_get_vadjustment
1882         (GTK_SCROLLABLE(vc->vte.terminal));
1883 #else
1884     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1885 #endif
1886 
1887     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1888     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1889 
1890     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1891     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1892 
1893     vc->vte.box = box;
1894     vc->vte.scrollbar = scrollbar;
1895 
1896     g_signal_connect(vadjustment, "changed",
1897                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1898 
1899     vc->type = GD_VC_VTE;
1900     vc->tab_item = box;
1901     vc->focus = vc->vte.terminal;
1902     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1903                              gtk_label_new(vc->label));
1904 
1905     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1906 
1907     return group;
1908 }
1909 
1910 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1911                         GtkWidget *view_menu)
1912 {
1913     int i;
1914 
1915     for (i = 0; i < nb_vcs; i++) {
1916         VirtualConsole *vc = &s->vc[s->nb_vcs];
1917         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1918         s->nb_vcs++;
1919     }
1920 }
1921 #endif /* CONFIG_VTE */
1922 
1923 /** Window Creation **/
1924 
1925 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1926 {
1927     g_signal_connect(vc->gfx.drawing_area, "draw",
1928                      G_CALLBACK(gd_draw_event), vc);
1929 #if defined(CONFIG_OPENGL)
1930     if (gtk_use_gl_area) {
1931         /* wire up GtkGlArea events */
1932         g_signal_connect(vc->gfx.drawing_area, "render",
1933                          G_CALLBACK(gd_render_event), vc);
1934         g_signal_connect(vc->gfx.drawing_area, "resize",
1935                          G_CALLBACK(gd_resize_event), vc);
1936     }
1937 #endif
1938     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1939         g_signal_connect(vc->gfx.drawing_area, "event",
1940                          G_CALLBACK(gd_event), vc);
1941         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1942                          G_CALLBACK(gd_button_event), vc);
1943         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1944                          G_CALLBACK(gd_button_event), vc);
1945         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1946                          G_CALLBACK(gd_scroll_event), vc);
1947         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1948                          G_CALLBACK(gd_key_event), vc);
1949         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1950                          G_CALLBACK(gd_key_event), vc);
1951 
1952         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1953                          G_CALLBACK(gd_enter_event), vc);
1954         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1955                          G_CALLBACK(gd_leave_event), vc);
1956         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1957                          G_CALLBACK(gd_focus_in_event), vc);
1958         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1959                          G_CALLBACK(gd_focus_out_event), vc);
1960         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1961                          G_CALLBACK(gd_configure), vc);
1962         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1963                          G_CALLBACK(gd_grab_broken_event), vc);
1964     } else {
1965         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1966                          G_CALLBACK(gd_text_key_down), vc);
1967     }
1968 }
1969 
1970 static void gd_connect_signals(GtkDisplayState *s)
1971 {
1972     g_signal_connect(s->show_tabs_item, "activate",
1973                      G_CALLBACK(gd_menu_show_tabs), s);
1974     g_signal_connect(s->untabify_item, "activate",
1975                      G_CALLBACK(gd_menu_untabify), s);
1976     g_signal_connect(s->show_menubar_item, "activate",
1977                      G_CALLBACK(gd_menu_show_menubar), s);
1978 
1979     g_signal_connect(s->window, "delete-event",
1980                      G_CALLBACK(gd_window_close), s);
1981 
1982     g_signal_connect(s->pause_item, "activate",
1983                      G_CALLBACK(gd_menu_pause), s);
1984     g_signal_connect(s->reset_item, "activate",
1985                      G_CALLBACK(gd_menu_reset), s);
1986     g_signal_connect(s->powerdown_item, "activate",
1987                      G_CALLBACK(gd_menu_powerdown), s);
1988     g_signal_connect(s->quit_item, "activate",
1989                      G_CALLBACK(gd_menu_quit), s);
1990 #if defined(CONFIG_VTE)
1991     g_signal_connect(s->copy_item, "activate",
1992                      G_CALLBACK(gd_menu_copy), s);
1993 #endif
1994     g_signal_connect(s->full_screen_item, "activate",
1995                      G_CALLBACK(gd_menu_full_screen), s);
1996     g_signal_connect(s->zoom_in_item, "activate",
1997                      G_CALLBACK(gd_menu_zoom_in), s);
1998     g_signal_connect(s->zoom_out_item, "activate",
1999                      G_CALLBACK(gd_menu_zoom_out), s);
2000     g_signal_connect(s->zoom_fixed_item, "activate",
2001                      G_CALLBACK(gd_menu_zoom_fixed), s);
2002     g_signal_connect(s->zoom_fit_item, "activate",
2003                      G_CALLBACK(gd_menu_zoom_fit), s);
2004     g_signal_connect(s->grab_item, "activate",
2005                      G_CALLBACK(gd_menu_grab_input), s);
2006     g_signal_connect(s->notebook, "switch-page",
2007                      G_CALLBACK(gd_change_page), s);
2008 }
2009 
2010 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2011 {
2012     GtkWidget *machine_menu;
2013     GtkWidget *separator;
2014 
2015     machine_menu = gtk_menu_new();
2016     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2017 
2018     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2019     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2020 
2021     separator = gtk_separator_menu_item_new();
2022     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2023 
2024     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2025     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2026 
2027     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2028     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2029 
2030     separator = gtk_separator_menu_item_new();
2031     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2032 
2033     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2034     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2035                                  "<QEMU>/Machine/Quit");
2036     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2037                             GDK_KEY_q, HOTKEY_MODIFIERS);
2038     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2039 
2040     return machine_menu;
2041 }
2042 
2043 #if defined(CONFIG_OPENGL)
2044 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2045 {
2046     gtk_gl_area_make_current(area);
2047     qemu_egl_display = eglGetCurrentDisplay();
2048     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2049     if (!vc->gfx.has_dmabuf) {
2050         error_report("GtkGLArea console lacks DMABUF support.");
2051     }
2052 }
2053 #endif
2054 
2055 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2056                               QemuConsole *con, int idx,
2057                               GSList *group, GtkWidget *view_menu)
2058 {
2059     bool zoom_to_fit = false;
2060 
2061     vc->label = qemu_console_get_label(con);
2062     vc->s = s;
2063     vc->gfx.scale_x = 1.0;
2064     vc->gfx.scale_y = 1.0;
2065 
2066 #if defined(CONFIG_OPENGL)
2067     if (display_opengl) {
2068         if (gtk_use_gl_area) {
2069             vc->gfx.drawing_area = gtk_gl_area_new();
2070             g_signal_connect(vc->gfx.drawing_area, "realize",
2071                              G_CALLBACK(gl_area_realize), vc);
2072             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2073             vc->gfx.dgc.ops = &gl_area_ctx_ops;
2074         } else {
2075 #ifdef CONFIG_X11
2076             vc->gfx.drawing_area = gtk_drawing_area_new();
2077             /*
2078              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2079              * It is required for opengl rendering on X11 though.  A
2080              * proper replacement (native opengl support) is only
2081              * available in 3.16+.  Silence the warning if possible.
2082              */
2083 #pragma GCC diagnostic push
2084 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2085             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2086 #pragma GCC diagnostic pop
2087             vc->gfx.dcl.ops = &dcl_egl_ops;
2088             vc->gfx.dgc.ops = &egl_ctx_ops;
2089             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2090 #else
2091             abort();
2092 #endif
2093         }
2094     } else
2095 #endif
2096     {
2097         vc->gfx.drawing_area = gtk_drawing_area_new();
2098         vc->gfx.dcl.ops = &dcl_ops;
2099     }
2100 
2101 
2102     gtk_widget_add_events(vc->gfx.drawing_area,
2103                           GDK_POINTER_MOTION_MASK |
2104                           GDK_BUTTON_PRESS_MASK |
2105                           GDK_BUTTON_RELEASE_MASK |
2106                           GDK_BUTTON_MOTION_MASK |
2107                           GDK_ENTER_NOTIFY_MASK |
2108                           GDK_LEAVE_NOTIFY_MASK |
2109                           GDK_SCROLL_MASK |
2110                           GDK_SMOOTH_SCROLL_MASK |
2111                           GDK_KEY_PRESS_MASK);
2112     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2113 
2114     vc->type = GD_VC_GFX;
2115     vc->tab_item = vc->gfx.drawing_area;
2116     vc->focus = vc->gfx.drawing_area;
2117     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2118                              vc->tab_item, gtk_label_new(vc->label));
2119 
2120     vc->gfx.kbd = qkbd_state_init(con);
2121     vc->gfx.dcl.con = con;
2122 
2123     if (display_opengl) {
2124         qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2125     }
2126     register_displaychangelistener(&vc->gfx.dcl);
2127 
2128     gd_connect_vc_gfx_signals(vc);
2129     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2130 
2131     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2132         zoom_to_fit = true;
2133     }
2134     if (s->opts->u.gtk.has_zoom_to_fit) {
2135         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2136     }
2137     if (zoom_to_fit) {
2138         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2139         s->free_scale = true;
2140     }
2141 
2142     return group;
2143 }
2144 
2145 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2146 {
2147     GSList *group = NULL;
2148     GtkWidget *view_menu;
2149     GtkWidget *separator;
2150     QemuConsole *con;
2151     int vc;
2152 
2153     view_menu = gtk_menu_new();
2154     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2155 
2156     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2157 
2158 #if defined(CONFIG_VTE)
2159     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2160     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2161 #endif
2162 
2163     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2164             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2165     gtk_accel_label_set_accel(
2166             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2167             GDK_KEY_f, HOTKEY_MODIFIERS);
2168     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2169 
2170     separator = gtk_separator_menu_item_new();
2171     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2172 
2173     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2174     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2175                                  "<QEMU>/View/Zoom In");
2176     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2177                             HOTKEY_MODIFIERS);
2178     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2179             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2180     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2181 
2182     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2183     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2184                                  "<QEMU>/View/Zoom Out");
2185     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2186                             HOTKEY_MODIFIERS);
2187     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2188 
2189     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2190     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2191                                  "<QEMU>/View/Zoom Fixed");
2192     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2193                             HOTKEY_MODIFIERS);
2194     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2195 
2196     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2197     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2198 
2199     separator = gtk_separator_menu_item_new();
2200     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2201 
2202     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2203     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2204 
2205     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2206     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2207                                  "<QEMU>/View/Grab Input");
2208     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2209                             HOTKEY_MODIFIERS);
2210     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2211 
2212     separator = gtk_separator_menu_item_new();
2213     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2214 
2215     /* gfx */
2216     for (vc = 0;; vc++) {
2217         con = qemu_console_lookup_by_index(vc);
2218         if (!con) {
2219             break;
2220         }
2221         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2222                                vc, group, view_menu);
2223         s->nb_vcs++;
2224     }
2225 
2226 #if defined(CONFIG_VTE)
2227     /* vte */
2228     gd_vcs_init(s, group, view_menu);
2229 #endif
2230 
2231     separator = gtk_separator_menu_item_new();
2232     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2233 
2234     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2235     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2236 
2237     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2238     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2239 
2240     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2241             _("Show Menubar"));
2242     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2243                                    TRUE);
2244     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2245             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2246     gtk_accel_label_set_accel(
2247             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2248             GDK_KEY_m, HOTKEY_MODIFIERS);
2249     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2250 
2251     return view_menu;
2252 }
2253 
2254 static void gd_create_menus(GtkDisplayState *s)
2255 {
2256     GtkSettings *settings;
2257 
2258     s->accel_group = gtk_accel_group_new();
2259     s->machine_menu = gd_create_menu_machine(s);
2260     s->view_menu = gd_create_menu_view(s);
2261 
2262     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2263     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2264                               s->machine_menu);
2265     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2266 
2267     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2268     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2269     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2270 
2271     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2272     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2273 
2274     /* Disable the default "F10" menu shortcut. */
2275     settings = gtk_widget_get_settings(s->window);
2276     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2277 }
2278 
2279 
2280 static gboolean gtkinit;
2281 
2282 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2283 {
2284     VirtualConsole *vc;
2285 
2286     GtkDisplayState *s = g_malloc0(sizeof(*s));
2287     GdkDisplay *window_display;
2288     GtkIconTheme *theme;
2289     char *dir;
2290 
2291     if (!gtkinit) {
2292         fprintf(stderr, "gtk initialization failed\n");
2293         exit(1);
2294     }
2295     assert(opts->type == DISPLAY_TYPE_GTK);
2296     s->opts = opts;
2297 
2298     theme = gtk_icon_theme_get_default();
2299     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2300     gtk_icon_theme_prepend_search_path(theme, dir);
2301     g_free(dir);
2302     g_set_prgname("qemu");
2303 
2304     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2305     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2306     s->notebook = gtk_notebook_new();
2307     s->menu_bar = gtk_menu_bar_new();
2308 
2309     s->free_scale = FALSE;
2310 
2311     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2312      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2313      * printable, but without changing any of the character classes to make
2314      * sure that we don't accidentally break implicit assumptions.  */
2315     setlocale(LC_MESSAGES, "");
2316     setlocale(LC_CTYPE, "C.UTF-8");
2317     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2318     bindtextdomain("qemu", dir);
2319     g_free(dir);
2320     bind_textdomain_codeset("qemu", "UTF-8");
2321     textdomain("qemu");
2322 
2323     window_display = gtk_widget_get_display(s->window);
2324     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2325         s->null_cursor = NULL; /* default pointer */
2326     } else {
2327         s->null_cursor = gdk_cursor_new_for_display(window_display,
2328                                                     GDK_BLANK_CURSOR);
2329     }
2330 
2331     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2332     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2333     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2334 
2335     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2336 
2337     gd_create_menus(s);
2338 
2339     gd_connect_signals(s);
2340 
2341     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2342     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2343 
2344     gd_update_caption(s);
2345 
2346     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2347     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2348 
2349     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2350 
2351     gtk_widget_show_all(s->window);
2352 
2353     vc = gd_vc_find_current(s);
2354     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2355 #ifdef CONFIG_VTE
2356     gtk_widget_set_sensitive(s->copy_item,
2357                              vc && vc->type == GD_VC_VTE);
2358 #endif
2359 
2360     if (opts->has_full_screen &&
2361         opts->full_screen) {
2362         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2363     }
2364     if (opts->u.gtk.has_grab_on_hover &&
2365         opts->u.gtk.grab_on_hover) {
2366         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2367     }
2368     gd_clipboard_init(s);
2369 }
2370 
2371 static void early_gtk_display_init(DisplayOptions *opts)
2372 {
2373     /* The QEMU code relies on the assumption that it's always run in
2374      * the C locale. Therefore it is not prepared to deal with
2375      * operations that produce different results depending on the
2376      * locale, such as printf's formatting of decimal numbers, and
2377      * possibly others.
2378      *
2379      * Since GTK+ calls setlocale() by default -importing the locale
2380      * settings from the environment- we must prevent it from doing so
2381      * using gtk_disable_setlocale().
2382      *
2383      * QEMU's GTK+ UI, however, _does_ have translations for some of
2384      * the menu items. As a trade-off between a functionally correct
2385      * QEMU and a fully internationalized UI we support importing
2386      * LC_MESSAGES from the environment (see the setlocale() call
2387      * earlier in this file). This allows us to display translated
2388      * messages leaving everything else untouched.
2389      */
2390     gtk_disable_setlocale();
2391     gtkinit = gtk_init_check(NULL, NULL);
2392     if (!gtkinit) {
2393         /* don't exit yet, that'll break -help */
2394         return;
2395     }
2396 
2397     assert(opts->type == DISPLAY_TYPE_GTK);
2398     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2399 #if defined(CONFIG_OPENGL)
2400 #if defined(GDK_WINDOWING_WAYLAND)
2401         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2402             gtk_use_gl_area = true;
2403             gtk_gl_area_init();
2404         } else
2405 #endif
2406         {
2407 #ifdef CONFIG_X11
2408             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2409             gtk_egl_init(mode);
2410 #endif
2411         }
2412 #endif
2413     }
2414 
2415     keycode_map = gd_get_keymap(&keycode_maplen);
2416 
2417 #if defined(CONFIG_VTE)
2418     type_register(&char_gd_vc_type_info);
2419 #endif
2420 }
2421 
2422 static QemuDisplay qemu_display_gtk = {
2423     .type       = DISPLAY_TYPE_GTK,
2424     .early_init = early_gtk_display_init,
2425     .init       = gtk_display_init,
2426 };
2427 
2428 static void register_gtk(void)
2429 {
2430     qemu_display_register(&qemu_display_gtk);
2431 }
2432 
2433 type_init(register_gtk);
2434 
2435 #ifdef CONFIG_OPENGL
2436 module_dep("ui-opengl");
2437 #endif
2438