xref: /openbmc/qemu/ui/gtk.c (revision 36ebc7db)
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/error-report.h"
40 #include "qemu/main-loop.h"
41 
42 #include "ui/console.h"
43 #include "ui/gtk.h"
44 #ifdef G_OS_WIN32
45 #include <gdk/gdkwin32.h>
46 #endif
47 #include "ui/win32-kbd-hook.h"
48 
49 #include <glib/gi18n.h>
50 #include <locale.h>
51 #if defined(CONFIG_VTE)
52 #include <vte/vte.h>
53 #endif
54 #include <math.h>
55 
56 #include "trace.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() && s->ptr_owner) {
685         if (!s->ptr_owner->window) {
686             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
687                                            FALSE);
688         } else {
689             gd_ungrab_pointer(s);
690         }
691     }
692     for (i = 0; i < s->nb_vcs; i++) {
693         VirtualConsole *vc = &s->vc[i];
694         gd_update_cursor(vc);
695     }
696 }
697 
698 /** GTK Events **/
699 
700 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
701                                 void *opaque)
702 {
703     GtkDisplayState *s = opaque;
704     bool allow_close = true;
705 
706     if (s->opts->has_window_close && !s->opts->window_close) {
707         allow_close = false;
708     }
709 
710     if (allow_close) {
711         qmp_quit(NULL);
712     }
713 
714     return TRUE;
715 }
716 
717 static void gd_set_ui_refresh_rate(VirtualConsole *vc, int refresh_rate)
718 {
719     QemuUIInfo info;
720 
721     info = *dpy_get_ui_info(vc->gfx.dcl.con);
722     info.refresh_rate = refresh_rate;
723     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
724 }
725 
726 static void gd_set_ui_size(VirtualConsole *vc, gint width, gint height)
727 {
728     QemuUIInfo info;
729 
730     info = *dpy_get_ui_info(vc->gfx.dcl.con);
731     info.width = width;
732     info.height = height;
733     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
734 }
735 
736 #if defined(CONFIG_OPENGL)
737 
738 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
739                                 void *opaque)
740 {
741     VirtualConsole *vc = opaque;
742 
743     if (vc->gfx.gls) {
744         gd_gl_area_draw(vc);
745     }
746     return TRUE;
747 }
748 
749 static void gd_resize_event(GtkGLArea *area,
750                             gint width, gint height, gpointer *opaque)
751 {
752     VirtualConsole *vc = (void *)opaque;
753 
754     gd_set_ui_size(vc, width, height);
755 }
756 
757 #endif
758 
759 void gd_update_monitor_refresh_rate(VirtualConsole *vc, GtkWidget *widget)
760 {
761 #ifdef GDK_VERSION_3_22
762     GdkWindow *win = gtk_widget_get_window(widget);
763     int refresh_rate;
764 
765     if (win) {
766         GdkDisplay *dpy = gtk_widget_get_display(widget);
767         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
768         refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
769     } else {
770         refresh_rate = 0;
771     }
772 
773     gd_set_ui_refresh_rate(vc, refresh_rate);
774 
775     /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
776     vc->gfx.dcl.update_interval = refresh_rate ?
777         MIN(1000 * 1000 / refresh_rate, GUI_REFRESH_INTERVAL_DEFAULT) :
778         GUI_REFRESH_INTERVAL_DEFAULT;
779 #endif
780 }
781 
782 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
783 {
784     VirtualConsole *vc = opaque;
785     GtkDisplayState *s = vc->s;
786     int mx, my;
787     int ww, wh;
788     int fbw, fbh;
789 
790 #if defined(CONFIG_OPENGL)
791     if (vc->gfx.gls) {
792         if (gtk_use_gl_area) {
793             /* invoke render callback please */
794             return FALSE;
795         } else {
796 #ifdef CONFIG_X11
797             gd_egl_draw(vc);
798             return TRUE;
799 #else
800             abort();
801 #endif
802         }
803     }
804 #endif
805 
806     if (!gtk_widget_get_realized(widget)) {
807         return FALSE;
808     }
809     if (!vc->gfx.ds) {
810         return FALSE;
811     }
812     if (!vc->gfx.surface) {
813         return FALSE;
814     }
815 
816     gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : s->window);
817 
818     fbw = surface_width(vc->gfx.ds);
819     fbh = surface_height(vc->gfx.ds);
820 
821     ww = gdk_window_get_width(gtk_widget_get_window(widget));
822     wh = gdk_window_get_height(gtk_widget_get_window(widget));
823 
824     if (s->full_screen) {
825         vc->gfx.scale_x = (double)ww / fbw;
826         vc->gfx.scale_y = (double)wh / fbh;
827     } else if (s->free_scale) {
828         double sx, sy;
829 
830         sx = (double)ww / fbw;
831         sy = (double)wh / fbh;
832 
833         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
834     }
835 
836     fbw *= vc->gfx.scale_x;
837     fbh *= vc->gfx.scale_y;
838 
839     mx = my = 0;
840     if (ww > fbw) {
841         mx = (ww - fbw) / 2;
842     }
843     if (wh > fbh) {
844         my = (wh - fbh) / 2;
845     }
846 
847     cairo_rectangle(cr, 0, 0, ww, wh);
848 
849     /* Optionally cut out the inner area where the pixmap
850        will be drawn. This avoids 'flashing' since we're
851        not double-buffering. Note we're using the undocumented
852        behaviour of drawing the rectangle from right to left
853        to cut out the whole */
854     cairo_rectangle(cr, mx + fbw, my,
855                     -1 * fbw, fbh);
856     cairo_fill(cr);
857 
858     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
859     cairo_set_source_surface(cr, vc->gfx.surface,
860                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
861     cairo_paint(cr);
862 
863     return TRUE;
864 }
865 
866 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
867                                 void *opaque)
868 {
869     VirtualConsole *vc = opaque;
870     GtkDisplayState *s = vc->s;
871     GdkWindow *window;
872     int x, y;
873     int mx, my;
874     int fbh, fbw;
875     int ww, wh, ws;
876 
877     if (!vc->gfx.ds) {
878         return TRUE;
879     }
880 
881     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
882     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
883 
884     window = gtk_widget_get_window(vc->gfx.drawing_area);
885     ww = gdk_window_get_width(window);
886     wh = gdk_window_get_height(window);
887     ws = gdk_window_get_scale_factor(window);
888 
889     mx = my = 0;
890     if (ww > fbw) {
891         mx = (ww - fbw) / 2;
892     }
893     if (wh > fbh) {
894         my = (wh - fbh) / 2;
895     }
896 
897     x = (motion->x - mx) / vc->gfx.scale_x * ws;
898     y = (motion->y - my) / vc->gfx.scale_y * ws;
899 
900     if (qemu_input_is_absolute()) {
901         if (x < 0 || y < 0 ||
902             x >= surface_width(vc->gfx.ds) ||
903             y >= surface_height(vc->gfx.ds)) {
904             return TRUE;
905         }
906         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
907                              0, surface_width(vc->gfx.ds));
908         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
909                              0, surface_height(vc->gfx.ds));
910         qemu_input_event_sync();
911     } else if (s->last_set && s->ptr_owner == vc) {
912         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
913         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
914         qemu_input_event_sync();
915     }
916     s->last_x = x;
917     s->last_y = y;
918     s->last_set = TRUE;
919 
920     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
921         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
922         GdkDisplay *dpy = gtk_widget_get_display(widget);
923         GdkWindow *win = gtk_widget_get_window(widget);
924         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
925         GdkRectangle geometry;
926 
927         int x = (int)motion->x_root;
928         int y = (int)motion->y_root;
929 
930         gdk_monitor_get_geometry(monitor, &geometry);
931 
932         /* In relative mode check to see if client pointer hit
933          * one of the monitor edges, and if so move it back to the
934          * center of the monitor. This is important because the pointer
935          * in the server doesn't correspond 1-for-1, and so
936          * may still be only half way across the screen. Without
937          * this warp, the server pointer would thus appear to hit
938          * an invisible wall */
939         if (x <= geometry.x || x - geometry.x >= geometry.width - 1 ||
940             y <= geometry.y || y - geometry.y >= geometry.height - 1) {
941             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
942             x = geometry.x + geometry.width / 2;
943             y = geometry.y + geometry.height / 2;
944 
945             gdk_device_warp(dev, screen, x, y);
946             s->last_set = FALSE;
947             return FALSE;
948         }
949     }
950     return TRUE;
951 }
952 
953 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
954                                 void *opaque)
955 {
956     VirtualConsole *vc = opaque;
957     GtkDisplayState *s = vc->s;
958     InputButton btn;
959 
960     /* implicitly grab the input at the first click in the relative mode */
961     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
962         !qemu_input_is_absolute() && s->ptr_owner != vc) {
963         if (!vc->window) {
964             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
965                                            TRUE);
966         } else {
967             gd_grab_pointer(vc, "relative-mode-click");
968         }
969         return TRUE;
970     }
971 
972     if (button->button == 1) {
973         btn = INPUT_BUTTON_LEFT;
974     } else if (button->button == 2) {
975         btn = INPUT_BUTTON_MIDDLE;
976     } else if (button->button == 3) {
977         btn = INPUT_BUTTON_RIGHT;
978     } else if (button->button == 8) {
979         btn = INPUT_BUTTON_SIDE;
980     } else if (button->button == 9) {
981         btn = INPUT_BUTTON_EXTRA;
982     } else {
983         return TRUE;
984     }
985 
986     if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
987         return TRUE;
988     }
989 
990     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
991                          button->type == GDK_BUTTON_PRESS);
992     qemu_input_event_sync();
993     return TRUE;
994 }
995 
996 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
997                                 void *opaque)
998 {
999     VirtualConsole *vc = opaque;
1000     InputButton btn_vertical;
1001     InputButton btn_horizontal;
1002     bool has_vertical = false;
1003     bool has_horizontal = false;
1004 
1005     if (scroll->direction == GDK_SCROLL_UP) {
1006         btn_vertical = INPUT_BUTTON_WHEEL_UP;
1007         has_vertical = true;
1008     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1009         btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1010         has_vertical = true;
1011     } else if (scroll->direction == GDK_SCROLL_LEFT) {
1012         btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1013         has_horizontal = true;
1014     } else if (scroll->direction == GDK_SCROLL_RIGHT) {
1015         btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1016         has_horizontal = true;
1017     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1018         gdouble delta_x, delta_y;
1019         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1020                                          &delta_x, &delta_y)) {
1021             return TRUE;
1022         }
1023 
1024         if (delta_y > 0) {
1025             btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1026             has_vertical = true;
1027         } else if (delta_y < 0) {
1028             btn_vertical = INPUT_BUTTON_WHEEL_UP;
1029             has_vertical = true;
1030         } else if (delta_x > 0) {
1031             btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1032             has_horizontal = true;
1033         } else if (delta_x < 0) {
1034             btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1035             has_horizontal = true;
1036         } else {
1037             return TRUE;
1038         }
1039     } else {
1040         return TRUE;
1041     }
1042 
1043     if (has_vertical) {
1044         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1045         qemu_input_event_sync();
1046         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1047         qemu_input_event_sync();
1048     }
1049 
1050     if (has_horizontal) {
1051         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1052         qemu_input_event_sync();
1053         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1054         qemu_input_event_sync();
1055     }
1056 
1057     return TRUE;
1058 }
1059 
1060 
1061 static const guint16 *gd_get_keymap(size_t *maplen)
1062 {
1063     GdkDisplay *dpy = gdk_display_get_default();
1064 
1065 #ifdef GDK_WINDOWING_X11
1066     if (GDK_IS_X11_DISPLAY(dpy)) {
1067         trace_gd_keymap_windowing("x11");
1068         return qemu_xkeymap_mapping_table(
1069             gdk_x11_display_get_xdisplay(dpy), maplen);
1070     }
1071 #endif
1072 
1073 #ifdef GDK_WINDOWING_WAYLAND
1074     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1075         trace_gd_keymap_windowing("wayland");
1076         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1077         return qemu_input_map_xorgevdev_to_qcode;
1078     }
1079 #endif
1080 
1081 #ifdef GDK_WINDOWING_WIN32
1082     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1083         trace_gd_keymap_windowing("win32");
1084         *maplen = qemu_input_map_atset1_to_qcode_len;
1085         return qemu_input_map_atset1_to_qcode;
1086     }
1087 #endif
1088 
1089 #ifdef GDK_WINDOWING_QUARTZ
1090     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1091         trace_gd_keymap_windowing("quartz");
1092         *maplen = qemu_input_map_osx_to_qcode_len;
1093         return qemu_input_map_osx_to_qcode;
1094     }
1095 #endif
1096 
1097 #ifdef GDK_WINDOWING_BROADWAY
1098     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1099         trace_gd_keymap_windowing("broadway");
1100         g_warning("experimental: using broadway, x11 virtual keysym\n"
1101                   "mapping - with very limited support. See also\n"
1102                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1103         *maplen = qemu_input_map_x11_to_qcode_len;
1104         return qemu_input_map_x11_to_qcode;
1105     }
1106 #endif
1107 
1108     g_warning("Unsupported GDK Windowing platform.\n"
1109               "Disabling extended keycode tables.\n"
1110               "Please report to qemu-devel@nongnu.org\n"
1111               "including the following information:\n"
1112               "\n"
1113               "  - Operating system\n"
1114               "  - GDK Windowing system build\n");
1115     return NULL;
1116 }
1117 
1118 
1119 static int gd_map_keycode(int scancode)
1120 {
1121     if (!keycode_map) {
1122         return 0;
1123     }
1124     if (scancode > keycode_maplen) {
1125         return 0;
1126     }
1127 
1128     return keycode_map[scancode];
1129 }
1130 
1131 static int gd_get_keycode(GdkEventKey *key)
1132 {
1133 #ifdef G_OS_WIN32
1134     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1135 
1136     /* translate Windows native scancodes to atset1 keycodes */
1137     switch (scancode & (KF_EXTENDED | 0xff)) {
1138     case 0x145:     /* NUMLOCK */
1139         return scancode & 0xff;
1140     }
1141 
1142     return scancode & KF_EXTENDED ?
1143         0xe000 | (scancode & 0xff) : scancode & 0xff;
1144 
1145 #else
1146     return key->hardware_keycode;
1147 #endif
1148 }
1149 
1150 static gboolean gd_text_key_down(GtkWidget *widget,
1151                                  GdkEventKey *key, void *opaque)
1152 {
1153     VirtualConsole *vc = opaque;
1154     QemuConsole *con = vc->gfx.dcl.con;
1155 
1156     if (key->keyval == GDK_KEY_Delete) {
1157         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1158     } else if (key->length) {
1159         kbd_put_string_console(con, key->string, key->length);
1160     } else {
1161         int qcode = gd_map_keycode(gd_get_keycode(key));
1162         kbd_put_qcode_console(con, qcode, false);
1163     }
1164     return TRUE;
1165 }
1166 
1167 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1168 {
1169     VirtualConsole *vc = opaque;
1170     int keycode, qcode;
1171 
1172 #ifdef G_OS_WIN32
1173     /* on windows, we ought to ignore the reserved key event? */
1174     if (key->hardware_keycode == 0xff)
1175         return false;
1176 
1177     if (!vc->s->kbd_owner) {
1178         if (key->hardware_keycode == VK_LWIN ||
1179             key->hardware_keycode == VK_RWIN) {
1180             return FALSE;
1181         }
1182     }
1183 #endif
1184 
1185     if (key->keyval == GDK_KEY_Pause
1186 #ifdef G_OS_WIN32
1187         /* for some reason GDK does not fill keyval for VK_PAUSE
1188          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1189          */
1190         || key->hardware_keycode == VK_PAUSE
1191 #endif
1192         ) {
1193         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1194                              key->type == GDK_KEY_PRESS);
1195         return TRUE;
1196     }
1197 
1198     keycode = gd_get_keycode(key);
1199     qcode = gd_map_keycode(keycode);
1200 
1201     trace_gd_key_event(vc->label, keycode, qcode,
1202                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1203 
1204     qkbd_state_key_event(vc->gfx.kbd, qcode,
1205                          key->type == GDK_KEY_PRESS);
1206 
1207     return TRUE;
1208 }
1209 
1210 static gboolean gd_grab_broken_event(GtkWidget *widget,
1211                                      GdkEventGrabBroken *event, void *opaque)
1212 {
1213 #ifdef CONFIG_WIN32
1214     /*
1215      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1216      * key combination leaves all three keys in a stuck condition. We use
1217      * the grab-broken-event to release all keys.
1218      */
1219     if (event->keyboard) {
1220         VirtualConsole *vc = opaque;
1221         GtkDisplayState *s = vc->s;
1222 
1223         gtk_release_modifiers(s);
1224     }
1225 #endif
1226     return TRUE;
1227 }
1228 
1229 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1230 {
1231     if (event->type == GDK_MOTION_NOTIFY) {
1232         return gd_motion_event(widget, &event->motion, opaque);
1233     }
1234     return FALSE;
1235 }
1236 
1237 /** Window Menu Actions **/
1238 
1239 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1240 {
1241     GtkDisplayState *s = opaque;
1242 
1243     if (s->external_pause_update) {
1244         return;
1245     }
1246     if (runstate_is_running()) {
1247         qmp_stop(NULL);
1248     } else {
1249         qmp_cont(NULL);
1250     }
1251 }
1252 
1253 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1254 {
1255     qmp_system_reset(NULL);
1256 }
1257 
1258 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1259 {
1260     qmp_system_powerdown(NULL);
1261 }
1262 
1263 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1264 {
1265     qmp_quit(NULL);
1266 }
1267 
1268 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1269 {
1270     GtkDisplayState *s = opaque;
1271     VirtualConsole *vc = gd_vc_find_by_menu(s);
1272     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1273     gint page;
1274 
1275     gtk_release_modifiers(s);
1276     if (vc) {
1277         page = gtk_notebook_page_num(nb, vc->tab_item);
1278         gtk_notebook_set_current_page(nb, page);
1279         gtk_widget_grab_focus(vc->focus);
1280     }
1281 }
1282 
1283 static void gd_accel_switch_vc(void *opaque)
1284 {
1285     VirtualConsole *vc = opaque;
1286 
1287     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1288 }
1289 
1290 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1291 {
1292     GtkDisplayState *s = opaque;
1293     VirtualConsole *vc = gd_vc_find_current(s);
1294 
1295     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1296         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1297     } else {
1298         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1299     }
1300     gd_update_windowsize(vc);
1301 }
1302 
1303 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1304                                     void *opaque)
1305 {
1306     VirtualConsole *vc = opaque;
1307     GtkDisplayState *s = vc->s;
1308 
1309     gtk_widget_set_sensitive(vc->menu_item, true);
1310     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1311     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1312                                     vc->tab_item, vc->label);
1313     gtk_widget_destroy(vc->window);
1314     vc->window = NULL;
1315 #if defined(CONFIG_OPENGL)
1316     if (vc->gfx.esurface) {
1317         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1318         vc->gfx.esurface = NULL;
1319     }
1320     if (vc->gfx.ectx) {
1321         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1322         vc->gfx.ectx = NULL;
1323     }
1324 #endif
1325     return TRUE;
1326 }
1327 
1328 static gboolean gd_win_grab(void *opaque)
1329 {
1330     VirtualConsole *vc = opaque;
1331 
1332     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1333     if (vc->s->ptr_owner) {
1334         gd_ungrab_pointer(vc->s);
1335     } else {
1336         gd_grab_pointer(vc, "user-request-detached-tab");
1337     }
1338     return TRUE;
1339 }
1340 
1341 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1342 {
1343     GtkDisplayState *s = opaque;
1344     VirtualConsole *vc = gd_vc_find_current(s);
1345 
1346     if (vc->type == GD_VC_GFX &&
1347         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1348         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1349                                        FALSE);
1350     }
1351     if (!vc->window) {
1352         gtk_widget_set_sensitive(vc->menu_item, false);
1353         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1354 #if defined(CONFIG_OPENGL)
1355         if (vc->gfx.esurface) {
1356             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1357             vc->gfx.esurface = NULL;
1358         }
1359         if (vc->gfx.esurface) {
1360             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1361             vc->gfx.ectx = NULL;
1362         }
1363 #endif
1364         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1365 
1366         g_signal_connect(vc->window, "delete-event",
1367                          G_CALLBACK(gd_tab_window_close), vc);
1368         gtk_widget_show_all(vc->window);
1369 
1370         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1371             GtkAccelGroup *ag = gtk_accel_group_new();
1372             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1373 
1374             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1375                                                vc, NULL);
1376             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1377         }
1378 
1379         gd_update_geometry_hints(vc);
1380         gd_update_caption(s);
1381     }
1382 }
1383 
1384 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1385 {
1386     GtkDisplayState *s = opaque;
1387     VirtualConsole *vc = gd_vc_find_current(s);
1388 
1389     if (s->full_screen) {
1390         return;
1391     }
1392 
1393     if (gtk_check_menu_item_get_active(
1394                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1395         gtk_widget_show(s->menu_bar);
1396     } else {
1397         gtk_widget_hide(s->menu_bar);
1398     }
1399     gd_update_windowsize(vc);
1400 }
1401 
1402 static void gd_accel_show_menubar(void *opaque)
1403 {
1404     GtkDisplayState *s = opaque;
1405     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1406 }
1407 
1408 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1409 {
1410     GtkDisplayState *s = opaque;
1411     VirtualConsole *vc = gd_vc_find_current(s);
1412 
1413     if (!s->full_screen) {
1414         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1415         gtk_widget_hide(s->menu_bar);
1416         if (vc->type == GD_VC_GFX) {
1417             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1418         }
1419         gtk_window_fullscreen(GTK_WINDOW(s->window));
1420         s->full_screen = TRUE;
1421     } else {
1422         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1423         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1424         if (gtk_check_menu_item_get_active(
1425                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1426             gtk_widget_show(s->menu_bar);
1427         }
1428         s->full_screen = FALSE;
1429         if (vc->type == GD_VC_GFX) {
1430             vc->gfx.scale_x = 1.0;
1431             vc->gfx.scale_y = 1.0;
1432             gd_update_windowsize(vc);
1433         }
1434     }
1435 
1436     gd_update_cursor(vc);
1437 }
1438 
1439 static void gd_accel_full_screen(void *opaque)
1440 {
1441     GtkDisplayState *s = opaque;
1442     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1443 }
1444 
1445 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1446 {
1447     GtkDisplayState *s = opaque;
1448     VirtualConsole *vc = gd_vc_find_current(s);
1449 
1450     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1451                                    FALSE);
1452 
1453     vc->gfx.scale_x += VC_SCALE_STEP;
1454     vc->gfx.scale_y += VC_SCALE_STEP;
1455 
1456     gd_update_windowsize(vc);
1457 }
1458 
1459 static void gd_accel_zoom_in(void *opaque)
1460 {
1461     GtkDisplayState *s = opaque;
1462     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1463 }
1464 
1465 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1466 {
1467     GtkDisplayState *s = opaque;
1468     VirtualConsole *vc = gd_vc_find_current(s);
1469 
1470     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1471                                    FALSE);
1472 
1473     vc->gfx.scale_x -= VC_SCALE_STEP;
1474     vc->gfx.scale_y -= VC_SCALE_STEP;
1475 
1476     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1477     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1478 
1479     gd_update_windowsize(vc);
1480 }
1481 
1482 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1483 {
1484     GtkDisplayState *s = opaque;
1485     VirtualConsole *vc = gd_vc_find_current(s);
1486 
1487     vc->gfx.scale_x = 1.0;
1488     vc->gfx.scale_y = 1.0;
1489 
1490     gd_update_windowsize(vc);
1491 }
1492 
1493 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1494 {
1495     GtkDisplayState *s = opaque;
1496     VirtualConsole *vc = gd_vc_find_current(s);
1497 
1498     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1499         s->free_scale = TRUE;
1500     } else {
1501         s->free_scale = FALSE;
1502         vc->gfx.scale_x = 1.0;
1503         vc->gfx.scale_y = 1.0;
1504     }
1505 
1506     gd_update_windowsize(vc);
1507     gd_update_full_redraw(vc);
1508 }
1509 
1510 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1511 {
1512     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1513     GdkSeat *seat = gdk_display_get_default_seat(display);
1514     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1515     GdkSeatCapabilities caps = 0;
1516     GdkCursor *cursor = NULL;
1517 
1518     if (kbd) {
1519         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1520     }
1521     if (ptr) {
1522         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1523         cursor = vc->s->null_cursor;
1524     }
1525 
1526     if (caps) {
1527         gdk_seat_grab(seat, window, caps, false, cursor,
1528                       NULL, NULL, NULL);
1529     } else {
1530         gdk_seat_ungrab(seat);
1531     }
1532 }
1533 
1534 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1535 {
1536     if (vc->s->kbd_owner) {
1537         if (vc->s->kbd_owner == vc) {
1538             return;
1539         } else {
1540             gd_ungrab_keyboard(vc->s);
1541         }
1542     }
1543 
1544     win32_kbd_set_grab(true);
1545     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1546     vc->s->kbd_owner = vc;
1547     gd_update_caption(vc->s);
1548     trace_gd_grab(vc->label, "kbd", reason);
1549 }
1550 
1551 static void gd_ungrab_keyboard(GtkDisplayState *s)
1552 {
1553     VirtualConsole *vc = s->kbd_owner;
1554 
1555     if (vc == NULL) {
1556         return;
1557     }
1558     s->kbd_owner = NULL;
1559 
1560     win32_kbd_set_grab(false);
1561     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1562     gd_update_caption(s);
1563     trace_gd_ungrab(vc->label, "kbd");
1564 }
1565 
1566 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1567 {
1568     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1569 
1570     if (vc->s->ptr_owner) {
1571         if (vc->s->ptr_owner == vc) {
1572             return;
1573         } else {
1574             gd_ungrab_pointer(vc->s);
1575         }
1576     }
1577 
1578     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1579     gdk_device_get_position(gd_get_pointer(display),
1580                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1581     vc->s->ptr_owner = vc;
1582     gd_update_caption(vc->s);
1583     trace_gd_grab(vc->label, "ptr", reason);
1584 }
1585 
1586 static void gd_ungrab_pointer(GtkDisplayState *s)
1587 {
1588     VirtualConsole *vc = s->ptr_owner;
1589     GdkDisplay *display;
1590 
1591     if (vc == NULL) {
1592         return;
1593     }
1594     s->ptr_owner = NULL;
1595 
1596     display = gtk_widget_get_display(vc->gfx.drawing_area);
1597     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1598     gdk_device_warp(gd_get_pointer(display),
1599                     gtk_widget_get_screen(vc->gfx.drawing_area),
1600                     vc->s->grab_x_root, vc->s->grab_y_root);
1601     gd_update_caption(s);
1602     trace_gd_ungrab(vc->label, "ptr");
1603 }
1604 
1605 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1606 {
1607     GtkDisplayState *s = opaque;
1608     VirtualConsole *vc = gd_vc_find_current(s);
1609 
1610     if (gd_is_grab_active(s)) {
1611         gd_grab_keyboard(vc, "user-request-main-window");
1612         gd_grab_pointer(vc, "user-request-main-window");
1613     } else {
1614         gd_ungrab_keyboard(s);
1615         gd_ungrab_pointer(s);
1616     }
1617 
1618     gd_update_cursor(vc);
1619 }
1620 
1621 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1622                            gpointer data)
1623 {
1624     GtkDisplayState *s = data;
1625     VirtualConsole *vc;
1626     gboolean on_vga;
1627 
1628     if (!gtk_widget_get_realized(s->notebook)) {
1629         return;
1630     }
1631 
1632     vc = gd_vc_find_by_page(s, arg2);
1633     if (!vc) {
1634         return;
1635     }
1636     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1637                                    TRUE);
1638     on_vga = (vc->type == GD_VC_GFX &&
1639               qemu_console_is_graphic(vc->gfx.dcl.con));
1640     if (!on_vga) {
1641         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1642                                        FALSE);
1643     } else if (s->full_screen) {
1644         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1645                                        TRUE);
1646     }
1647     gtk_widget_set_sensitive(s->grab_item, on_vga);
1648 #ifdef CONFIG_VTE
1649     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1650 #endif
1651 
1652     gd_update_windowsize(vc);
1653     gd_update_cursor(vc);
1654 }
1655 
1656 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1657                                gpointer opaque)
1658 {
1659     VirtualConsole *vc = opaque;
1660     GtkDisplayState *s = vc->s;
1661 
1662     if (gd_grab_on_hover(s)) {
1663         gd_grab_keyboard(vc, "grab-on-hover");
1664     }
1665     return TRUE;
1666 }
1667 
1668 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1669                                gpointer opaque)
1670 {
1671     VirtualConsole *vc = opaque;
1672     GtkDisplayState *s = vc->s;
1673 
1674     if (gd_grab_on_hover(s)) {
1675         gd_ungrab_keyboard(s);
1676     }
1677     return TRUE;
1678 }
1679 
1680 static gboolean gd_focus_in_event(GtkWidget *widget,
1681                                   GdkEventFocus *event, gpointer opaque)
1682 {
1683     VirtualConsole *vc = opaque;
1684 
1685     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1686     return TRUE;
1687 }
1688 
1689 static gboolean gd_focus_out_event(GtkWidget *widget,
1690                                    GdkEventFocus *event, gpointer opaque)
1691 {
1692     VirtualConsole *vc = opaque;
1693     GtkDisplayState *s = vc->s;
1694 
1695     win32_kbd_set_window(NULL);
1696     gtk_release_modifiers(s);
1697     return TRUE;
1698 }
1699 
1700 static gboolean gd_configure(GtkWidget *widget,
1701                              GdkEventConfigure *cfg, gpointer opaque)
1702 {
1703     VirtualConsole *vc = opaque;
1704 
1705     gd_set_ui_size(vc, cfg->width, cfg->height);
1706     return FALSE;
1707 }
1708 
1709 /** Virtual Console Callbacks **/
1710 
1711 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1712                                int idx, GSList *group, GtkWidget *view_menu)
1713 {
1714     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1715     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1716             HOTKEY_MODIFIERS, 0,
1717             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1718     gtk_accel_label_set_accel(
1719             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1720             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1721 
1722     g_signal_connect(vc->menu_item, "activate",
1723                      G_CALLBACK(gd_menu_switch_vc), s);
1724     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1725 
1726     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1727 }
1728 
1729 #if defined(CONFIG_VTE)
1730 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1731 {
1732     GtkDisplayState *s = opaque;
1733     VirtualConsole *vc = gd_vc_find_current(s);
1734 
1735 #if VTE_CHECK_VERSION(0, 50, 0)
1736     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1737                                        VTE_FORMAT_TEXT);
1738 #else
1739     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1740 #endif
1741 }
1742 
1743 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1744 {
1745     VirtualConsole *vc = opaque;
1746 
1747     if (gtk_adjustment_get_upper(adjustment) >
1748         gtk_adjustment_get_page_size(adjustment)) {
1749         gtk_widget_show(vc->vte.scrollbar);
1750     } else {
1751         gtk_widget_hide(vc->vte.scrollbar);
1752     }
1753 }
1754 
1755 static void gd_vc_send_chars(VirtualConsole *vc)
1756 {
1757     uint32_t len, avail;
1758 
1759     len = qemu_chr_be_can_write(vc->vte.chr);
1760     avail = fifo8_num_used(&vc->vte.out_fifo);
1761     while (len > 0 && avail > 0) {
1762         const uint8_t *buf;
1763         uint32_t size;
1764 
1765         buf = fifo8_pop_buf(&vc->vte.out_fifo, MIN(len, avail), &size);
1766         qemu_chr_be_write(vc->vte.chr, buf, size);
1767         len = qemu_chr_be_can_write(vc->vte.chr);
1768         avail -= size;
1769     }
1770 }
1771 
1772 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1773 {
1774     VCChardev *vcd = VC_CHARDEV(chr);
1775     VirtualConsole *vc = vcd->console;
1776 
1777     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1778     return len;
1779 }
1780 
1781 static void gd_vc_chr_accept_input(Chardev *chr)
1782 {
1783     VCChardev *vcd = VC_CHARDEV(chr);
1784     VirtualConsole *vc = vcd->console;
1785 
1786     gd_vc_send_chars(vc);
1787 }
1788 
1789 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1790 {
1791     VCChardev *vcd = VC_CHARDEV(chr);
1792     VirtualConsole *vc = vcd->console;
1793 
1794     if (vc) {
1795         vc->vte.echo = echo;
1796     } else {
1797         vcd->echo = echo;
1798     }
1799 }
1800 
1801 static int nb_vcs;
1802 static Chardev *vcs[MAX_VCS];
1803 static void gd_vc_open(Chardev *chr,
1804                        ChardevBackend *backend,
1805                        bool *be_opened,
1806                        Error **errp)
1807 {
1808     if (nb_vcs == MAX_VCS) {
1809         error_setg(errp, "Maximum number of consoles reached");
1810         return;
1811     }
1812 
1813     vcs[nb_vcs++] = chr;
1814 
1815     /* console/chardev init sometimes completes elsewhere in a 2nd
1816      * stage, so defer OPENED events until they are fully initialized
1817      */
1818     *be_opened = false;
1819 }
1820 
1821 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1822 {
1823     ChardevClass *cc = CHARDEV_CLASS(oc);
1824 
1825     cc->parse = qemu_chr_parse_vc;
1826     cc->open = gd_vc_open;
1827     cc->chr_write = gd_vc_chr_write;
1828     cc->chr_accept_input = gd_vc_chr_accept_input;
1829     cc->chr_set_echo = gd_vc_chr_set_echo;
1830 }
1831 
1832 static const TypeInfo char_gd_vc_type_info = {
1833     .name = TYPE_CHARDEV_VC,
1834     .parent = TYPE_CHARDEV,
1835     .instance_size = sizeof(VCChardev),
1836     .class_init = char_gd_vc_class_init,
1837 };
1838 
1839 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1840                          gpointer user_data)
1841 {
1842     VirtualConsole *vc = user_data;
1843     uint32_t free;
1844 
1845     if (vc->vte.echo) {
1846         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1847         int i;
1848         for (i = 0; i < size; i++) {
1849             uint8_t c = text[i];
1850             if (c >= 128 || isprint(c)) {
1851                 /* 8-bit characters are considered printable.  */
1852                 vte_terminal_feed(term, &text[i], 1);
1853             } else if (c == '\r' || c == '\n') {
1854                 vte_terminal_feed(term, "\r\n", 2);
1855             } else {
1856                 char ctrl[2] = { '^', 0};
1857                 ctrl[1] = text[i] ^ 64;
1858                 vte_terminal_feed(term, ctrl, 2);
1859             }
1860         }
1861     }
1862 
1863     free = fifo8_num_free(&vc->vte.out_fifo);
1864     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1865     gd_vc_send_chars(vc);
1866 
1867     return TRUE;
1868 }
1869 
1870 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1871                               Chardev *chr, int idx,
1872                               GSList *group, GtkWidget *view_menu)
1873 {
1874     char buffer[32];
1875     GtkWidget *box;
1876     GtkWidget *scrollbar;
1877     GtkAdjustment *vadjustment;
1878     VCChardev *vcd = VC_CHARDEV(chr);
1879 
1880     vc->s = s;
1881     vc->vte.echo = vcd->echo;
1882     vc->vte.chr = chr;
1883     fifo8_create(&vc->vte.out_fifo, 4096);
1884     vcd->console = vc;
1885 
1886     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1887     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1888                                 ? vc->vte.chr->label : buffer);
1889     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1890 
1891     vc->vte.terminal = vte_terminal_new();
1892     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1893 
1894     /* The documentation says that the default is UTF-8, but actually it is
1895      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1896      * VTE 0.54 (only UTF-8 is supported now). */
1897 #if !VTE_CHECK_VERSION(0, 54, 0)
1898 #if VTE_CHECK_VERSION(0, 38, 0)
1899     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1900 #else
1901     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1902 #endif
1903 #endif
1904 
1905     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1906     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1907                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1908 
1909 #if VTE_CHECK_VERSION(0, 28, 0)
1910     vadjustment = gtk_scrollable_get_vadjustment
1911         (GTK_SCROLLABLE(vc->vte.terminal));
1912 #else
1913     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1914 #endif
1915 
1916     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1917     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1918 
1919     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1920     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1921 
1922     vc->vte.box = box;
1923     vc->vte.scrollbar = scrollbar;
1924 
1925     g_signal_connect(vadjustment, "changed",
1926                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1927 
1928     vc->type = GD_VC_VTE;
1929     vc->tab_item = box;
1930     vc->focus = vc->vte.terminal;
1931     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1932                              gtk_label_new(vc->label));
1933 
1934     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1935 
1936     return group;
1937 }
1938 
1939 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1940                         GtkWidget *view_menu)
1941 {
1942     int i;
1943 
1944     for (i = 0; i < nb_vcs; i++) {
1945         VirtualConsole *vc = &s->vc[s->nb_vcs];
1946         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1947         s->nb_vcs++;
1948     }
1949 }
1950 #endif /* CONFIG_VTE */
1951 
1952 /** Window Creation **/
1953 
1954 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1955 {
1956     g_signal_connect(vc->gfx.drawing_area, "draw",
1957                      G_CALLBACK(gd_draw_event), vc);
1958 #if defined(CONFIG_OPENGL)
1959     if (gtk_use_gl_area) {
1960         /* wire up GtkGlArea events */
1961         g_signal_connect(vc->gfx.drawing_area, "render",
1962                          G_CALLBACK(gd_render_event), vc);
1963         g_signal_connect(vc->gfx.drawing_area, "resize",
1964                          G_CALLBACK(gd_resize_event), vc);
1965     }
1966 #endif
1967     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1968         g_signal_connect(vc->gfx.drawing_area, "event",
1969                          G_CALLBACK(gd_event), vc);
1970         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1971                          G_CALLBACK(gd_button_event), vc);
1972         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1973                          G_CALLBACK(gd_button_event), vc);
1974         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1975                          G_CALLBACK(gd_scroll_event), vc);
1976         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1977                          G_CALLBACK(gd_key_event), vc);
1978         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1979                          G_CALLBACK(gd_key_event), vc);
1980 
1981         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1982                          G_CALLBACK(gd_enter_event), vc);
1983         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1984                          G_CALLBACK(gd_leave_event), vc);
1985         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1986                          G_CALLBACK(gd_focus_in_event), vc);
1987         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1988                          G_CALLBACK(gd_focus_out_event), vc);
1989         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1990                          G_CALLBACK(gd_configure), vc);
1991         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1992                          G_CALLBACK(gd_grab_broken_event), vc);
1993     } else {
1994         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1995                          G_CALLBACK(gd_text_key_down), vc);
1996     }
1997 }
1998 
1999 static void gd_connect_signals(GtkDisplayState *s)
2000 {
2001     g_signal_connect(s->show_tabs_item, "activate",
2002                      G_CALLBACK(gd_menu_show_tabs), s);
2003     g_signal_connect(s->untabify_item, "activate",
2004                      G_CALLBACK(gd_menu_untabify), s);
2005     g_signal_connect(s->show_menubar_item, "activate",
2006                      G_CALLBACK(gd_menu_show_menubar), s);
2007 
2008     g_signal_connect(s->window, "delete-event",
2009                      G_CALLBACK(gd_window_close), s);
2010 
2011     g_signal_connect(s->pause_item, "activate",
2012                      G_CALLBACK(gd_menu_pause), s);
2013     g_signal_connect(s->reset_item, "activate",
2014                      G_CALLBACK(gd_menu_reset), s);
2015     g_signal_connect(s->powerdown_item, "activate",
2016                      G_CALLBACK(gd_menu_powerdown), s);
2017     g_signal_connect(s->quit_item, "activate",
2018                      G_CALLBACK(gd_menu_quit), s);
2019 #if defined(CONFIG_VTE)
2020     g_signal_connect(s->copy_item, "activate",
2021                      G_CALLBACK(gd_menu_copy), s);
2022 #endif
2023     g_signal_connect(s->full_screen_item, "activate",
2024                      G_CALLBACK(gd_menu_full_screen), s);
2025     g_signal_connect(s->zoom_in_item, "activate",
2026                      G_CALLBACK(gd_menu_zoom_in), s);
2027     g_signal_connect(s->zoom_out_item, "activate",
2028                      G_CALLBACK(gd_menu_zoom_out), s);
2029     g_signal_connect(s->zoom_fixed_item, "activate",
2030                      G_CALLBACK(gd_menu_zoom_fixed), s);
2031     g_signal_connect(s->zoom_fit_item, "activate",
2032                      G_CALLBACK(gd_menu_zoom_fit), s);
2033     g_signal_connect(s->grab_item, "activate",
2034                      G_CALLBACK(gd_menu_grab_input), s);
2035     g_signal_connect(s->notebook, "switch-page",
2036                      G_CALLBACK(gd_change_page), s);
2037 }
2038 
2039 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2040 {
2041     GtkWidget *machine_menu;
2042     GtkWidget *separator;
2043 
2044     machine_menu = gtk_menu_new();
2045     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2046 
2047     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2048     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2049 
2050     separator = gtk_separator_menu_item_new();
2051     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2052 
2053     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2054     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2055 
2056     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2057     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2058 
2059     separator = gtk_separator_menu_item_new();
2060     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2061 
2062     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2063     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2064                                  "<QEMU>/Machine/Quit");
2065     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2066                             GDK_KEY_q, HOTKEY_MODIFIERS);
2067     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2068 
2069     return machine_menu;
2070 }
2071 
2072 #if defined(CONFIG_OPENGL)
2073 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2074 {
2075     gtk_gl_area_make_current(area);
2076     qemu_egl_display = eglGetCurrentDisplay();
2077     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2078     if (!vc->gfx.has_dmabuf) {
2079         error_report("GtkGLArea console lacks DMABUF support.");
2080     }
2081 }
2082 #endif
2083 
2084 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2085                               QemuConsole *con, int idx,
2086                               GSList *group, GtkWidget *view_menu)
2087 {
2088     bool zoom_to_fit = false;
2089 
2090     vc->label = qemu_console_get_label(con);
2091     vc->s = s;
2092     vc->gfx.scale_x = 1.0;
2093     vc->gfx.scale_y = 1.0;
2094 
2095 #if defined(CONFIG_OPENGL)
2096     if (display_opengl) {
2097         if (gtk_use_gl_area) {
2098             vc->gfx.drawing_area = gtk_gl_area_new();
2099             g_signal_connect(vc->gfx.drawing_area, "realize",
2100                              G_CALLBACK(gl_area_realize), vc);
2101             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2102             vc->gfx.dgc.ops = &gl_area_ctx_ops;
2103         } else {
2104 #ifdef CONFIG_X11
2105             vc->gfx.drawing_area = gtk_drawing_area_new();
2106             /*
2107              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2108              * It is required for opengl rendering on X11 though.  A
2109              * proper replacement (native opengl support) is only
2110              * available in 3.16+.  Silence the warning if possible.
2111              */
2112 #pragma GCC diagnostic push
2113 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2114             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2115 #pragma GCC diagnostic pop
2116             vc->gfx.dcl.ops = &dcl_egl_ops;
2117             vc->gfx.dgc.ops = &egl_ctx_ops;
2118             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2119 #else
2120             abort();
2121 #endif
2122         }
2123     } else
2124 #endif
2125     {
2126         vc->gfx.drawing_area = gtk_drawing_area_new();
2127         vc->gfx.dcl.ops = &dcl_ops;
2128     }
2129 
2130 
2131     gtk_widget_add_events(vc->gfx.drawing_area,
2132                           GDK_POINTER_MOTION_MASK |
2133                           GDK_BUTTON_PRESS_MASK |
2134                           GDK_BUTTON_RELEASE_MASK |
2135                           GDK_BUTTON_MOTION_MASK |
2136                           GDK_ENTER_NOTIFY_MASK |
2137                           GDK_LEAVE_NOTIFY_MASK |
2138                           GDK_SCROLL_MASK |
2139                           GDK_SMOOTH_SCROLL_MASK |
2140                           GDK_KEY_PRESS_MASK);
2141     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2142 
2143     vc->type = GD_VC_GFX;
2144     vc->tab_item = vc->gfx.drawing_area;
2145     vc->focus = vc->gfx.drawing_area;
2146     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2147                              vc->tab_item, gtk_label_new(vc->label));
2148 
2149     vc->gfx.kbd = qkbd_state_init(con);
2150     vc->gfx.dcl.con = con;
2151 
2152     if (display_opengl) {
2153         qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2154     }
2155     register_displaychangelistener(&vc->gfx.dcl);
2156 
2157     gd_connect_vc_gfx_signals(vc);
2158     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2159 
2160     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2161         zoom_to_fit = true;
2162     }
2163     if (s->opts->u.gtk.has_zoom_to_fit) {
2164         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2165     }
2166     if (zoom_to_fit) {
2167         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2168         s->free_scale = true;
2169     }
2170 
2171     return group;
2172 }
2173 
2174 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, DisplayOptions *opts)
2175 {
2176     GSList *group = NULL;
2177     GtkWidget *view_menu;
2178     GtkWidget *separator;
2179     QemuConsole *con;
2180     int vc;
2181 
2182     view_menu = gtk_menu_new();
2183     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2184 
2185     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2186 
2187 #if defined(CONFIG_VTE)
2188     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2189     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2190 #endif
2191 
2192     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2193             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2194     gtk_accel_label_set_accel(
2195             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2196             GDK_KEY_f, HOTKEY_MODIFIERS);
2197     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2198 
2199     separator = gtk_separator_menu_item_new();
2200     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2201 
2202     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2203     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2204                                  "<QEMU>/View/Zoom In");
2205     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2206                             HOTKEY_MODIFIERS);
2207     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2208             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2209     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2210 
2211     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2212     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2213                                  "<QEMU>/View/Zoom Out");
2214     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2215                             HOTKEY_MODIFIERS);
2216     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2217 
2218     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2219     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2220                                  "<QEMU>/View/Zoom Fixed");
2221     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2222                             HOTKEY_MODIFIERS);
2223     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2224 
2225     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2226     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2227 
2228     separator = gtk_separator_menu_item_new();
2229     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2230 
2231     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2232     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2233 
2234     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2235     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2236                                  "<QEMU>/View/Grab Input");
2237     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2238                             HOTKEY_MODIFIERS);
2239     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2240 
2241     separator = gtk_separator_menu_item_new();
2242     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2243 
2244     /* gfx */
2245     for (vc = 0;; vc++) {
2246         con = qemu_console_lookup_by_index(vc);
2247         if (!con) {
2248             break;
2249         }
2250         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2251                                vc, group, view_menu);
2252         s->nb_vcs++;
2253     }
2254 
2255 #if defined(CONFIG_VTE)
2256     /* vte */
2257     gd_vcs_init(s, group, view_menu);
2258 #endif
2259 
2260     separator = gtk_separator_menu_item_new();
2261     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2262 
2263     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2264     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2265 
2266     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2267     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2268 
2269     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2270             _("Show Menubar"));
2271     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2272                                    !opts->u.gtk.has_show_menubar ||
2273                                    opts->u.gtk.show_menubar);
2274     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2275             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2276     gtk_accel_label_set_accel(
2277             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2278             GDK_KEY_m, HOTKEY_MODIFIERS);
2279     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2280 
2281     return view_menu;
2282 }
2283 
2284 static void gd_create_menus(GtkDisplayState *s, DisplayOptions *opts)
2285 {
2286     GtkSettings *settings;
2287 
2288     s->accel_group = gtk_accel_group_new();
2289     s->machine_menu = gd_create_menu_machine(s);
2290     s->view_menu = gd_create_menu_view(s, opts);
2291 
2292     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2293     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2294                               s->machine_menu);
2295     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2296 
2297     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2298     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2299     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2300 
2301     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2302     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2303 
2304     /* Disable the default "F10" menu shortcut. */
2305     settings = gtk_widget_get_settings(s->window);
2306     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2307 }
2308 
2309 
2310 static gboolean gtkinit;
2311 
2312 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2313 {
2314     VirtualConsole *vc;
2315 
2316     GtkDisplayState *s = g_malloc0(sizeof(*s));
2317     GdkDisplay *window_display;
2318     GtkIconTheme *theme;
2319     char *dir;
2320 
2321     if (!gtkinit) {
2322         fprintf(stderr, "gtk initialization failed\n");
2323         exit(1);
2324     }
2325     assert(opts->type == DISPLAY_TYPE_GTK);
2326     s->opts = opts;
2327 
2328     theme = gtk_icon_theme_get_default();
2329     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2330     gtk_icon_theme_prepend_search_path(theme, dir);
2331     g_free(dir);
2332     g_set_prgname("qemu");
2333 
2334     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2335     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2336     s->notebook = gtk_notebook_new();
2337     s->menu_bar = gtk_menu_bar_new();
2338 
2339     s->free_scale = FALSE;
2340 
2341     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2342      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2343      * printable, but without changing any of the character classes to make
2344      * sure that we don't accidentally break implicit assumptions.  */
2345     setlocale(LC_MESSAGES, "");
2346     setlocale(LC_CTYPE, "C.UTF-8");
2347     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2348     bindtextdomain("qemu", dir);
2349     g_free(dir);
2350     bind_textdomain_codeset("qemu", "UTF-8");
2351     textdomain("qemu");
2352 
2353     window_display = gtk_widget_get_display(s->window);
2354     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2355         s->null_cursor = NULL; /* default pointer */
2356     } else {
2357         s->null_cursor = gdk_cursor_new_for_display(window_display,
2358                                                     GDK_BLANK_CURSOR);
2359     }
2360 
2361     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2362     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2363     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2364 
2365     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2366 
2367     gd_create_menus(s, opts);
2368 
2369     gd_connect_signals(s);
2370 
2371     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2372     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2373 
2374     gd_update_caption(s);
2375 
2376     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2377     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2378 
2379     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2380 
2381     gtk_widget_show_all(s->window);
2382     if (opts->u.gtk.has_show_menubar &&
2383         !opts->u.gtk.show_menubar) {
2384         gtk_widget_hide(s->menu_bar);
2385     }
2386 
2387     vc = gd_vc_find_current(s);
2388     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2389 #ifdef CONFIG_VTE
2390     gtk_widget_set_sensitive(s->copy_item,
2391                              vc && vc->type == GD_VC_VTE);
2392 #endif
2393 
2394     if (opts->has_full_screen &&
2395         opts->full_screen) {
2396         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2397     }
2398     if (opts->u.gtk.has_grab_on_hover &&
2399         opts->u.gtk.grab_on_hover) {
2400         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2401     }
2402     if (opts->u.gtk.has_show_tabs &&
2403         opts->u.gtk.show_tabs) {
2404         gtk_menu_item_activate(GTK_MENU_ITEM(s->show_tabs_item));
2405     }
2406 #ifdef CONFIG_GTK_CLIPBOARD
2407     gd_clipboard_init(s);
2408 #endif /* CONFIG_GTK_CLIPBOARD */
2409 }
2410 
2411 static void early_gtk_display_init(DisplayOptions *opts)
2412 {
2413     /* The QEMU code relies on the assumption that it's always run in
2414      * the C locale. Therefore it is not prepared to deal with
2415      * operations that produce different results depending on the
2416      * locale, such as printf's formatting of decimal numbers, and
2417      * possibly others.
2418      *
2419      * Since GTK+ calls setlocale() by default -importing the locale
2420      * settings from the environment- we must prevent it from doing so
2421      * using gtk_disable_setlocale().
2422      *
2423      * QEMU's GTK+ UI, however, _does_ have translations for some of
2424      * the menu items. As a trade-off between a functionally correct
2425      * QEMU and a fully internationalized UI we support importing
2426      * LC_MESSAGES from the environment (see the setlocale() call
2427      * earlier in this file). This allows us to display translated
2428      * messages leaving everything else untouched.
2429      */
2430     gtk_disable_setlocale();
2431     gtkinit = gtk_init_check(NULL, NULL);
2432     if (!gtkinit) {
2433         /* don't exit yet, that'll break -help */
2434         return;
2435     }
2436 
2437     assert(opts->type == DISPLAY_TYPE_GTK);
2438     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2439 #if defined(CONFIG_OPENGL)
2440 #if defined(GDK_WINDOWING_WAYLAND)
2441         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2442             gtk_use_gl_area = true;
2443             gtk_gl_area_init();
2444         } else
2445 #endif
2446         {
2447 #ifdef CONFIG_X11
2448             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2449             gtk_egl_init(mode);
2450 #endif
2451         }
2452 #endif
2453     }
2454 
2455     keycode_map = gd_get_keymap(&keycode_maplen);
2456 
2457 #if defined(CONFIG_VTE)
2458     type_register(&char_gd_vc_type_info);
2459 #endif
2460 }
2461 
2462 static QemuDisplay qemu_display_gtk = {
2463     .type       = DISPLAY_TYPE_GTK,
2464     .early_init = early_gtk_display_init,
2465     .init       = gtk_display_init,
2466 };
2467 
2468 static void register_gtk(void)
2469 {
2470     qemu_display_register(&qemu_display_gtk);
2471 }
2472 
2473 type_init(register_gtk);
2474 
2475 #ifdef CONFIG_OPENGL
2476 module_dep("ui-opengl");
2477 #endif
2478