xref: /openbmc/qemu/ui/gtk.c (revision 34e29d85a7734802317c4cac9ad52b10d461c1dc)
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 static struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX];
134 
135 bool gtk_use_gl_area;
136 
137 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
138 static void gd_ungrab_pointer(GtkDisplayState *s);
139 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
140 static void gd_ungrab_keyboard(GtkDisplayState *s);
141 
142 /** Utility Functions **/
143 
144 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
145 {
146     VirtualConsole *vc;
147     gint i;
148 
149     for (i = 0; i < s->nb_vcs; i++) {
150         vc = &s->vc[i];
151         if (gtk_check_menu_item_get_active
152             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
153             return vc;
154         }
155     }
156     return NULL;
157 }
158 
159 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
160 {
161     VirtualConsole *vc;
162     gint i, p;
163 
164     for (i = 0; i < s->nb_vcs; i++) {
165         vc = &s->vc[i];
166         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
167         if (p == page) {
168             return vc;
169         }
170     }
171     return NULL;
172 }
173 
174 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
175 {
176     gint page;
177 
178     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
179     return gd_vc_find_by_page(s, page);
180 }
181 
182 static bool gd_is_grab_active(GtkDisplayState *s)
183 {
184     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
185 }
186 
187 static bool gd_grab_on_hover(GtkDisplayState *s)
188 {
189     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
190 }
191 
192 static void gd_update_cursor(VirtualConsole *vc)
193 {
194     GtkDisplayState *s = vc->s;
195     GdkWindow *window;
196 
197     if (vc->type != GD_VC_GFX ||
198         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
199         return;
200     }
201 
202     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
203         return;
204     }
205 
206     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
207     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
208         gdk_window_set_cursor(window, s->null_cursor);
209     } else {
210         gdk_window_set_cursor(window, NULL);
211     }
212 }
213 
214 static void gd_update_caption(GtkDisplayState *s)
215 {
216     const char *status = "";
217     gchar *prefix;
218     gchar *title;
219     const char *grab = "";
220     bool is_paused = !runstate_is_running();
221     int i;
222 
223     if (qemu_name) {
224         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
225     } else {
226         prefix = g_strdup_printf("QEMU");
227     }
228 
229     if (s->ptr_owner != NULL &&
230         s->ptr_owner->window == NULL) {
231         grab = _(" - Press Ctrl+Alt+G to release grab");
232     }
233 
234     if (is_paused) {
235         status = _(" [Paused]");
236     }
237     s->external_pause_update = true;
238     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
239                                    is_paused);
240     s->external_pause_update = false;
241 
242     title = g_strdup_printf("%s%s%s", prefix, status, grab);
243     gtk_window_set_title(GTK_WINDOW(s->window), title);
244     g_free(title);
245 
246     for (i = 0; i < s->nb_vcs; i++) {
247         VirtualConsole *vc = &s->vc[i];
248 
249         if (!vc->window) {
250             continue;
251         }
252         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
253                                 vc == s->kbd_owner ? " +kbd" : "",
254                                 vc == s->ptr_owner ? " +ptr" : "");
255         gtk_window_set_title(GTK_WINDOW(vc->window), title);
256         g_free(title);
257     }
258 
259     g_free(prefix);
260 }
261 
262 static void gd_update_geometry_hints(VirtualConsole *vc)
263 {
264     GtkDisplayState *s = vc->s;
265     GdkWindowHints mask = 0;
266     GdkGeometry geo = {};
267     GtkWidget *geo_widget = NULL;
268     GtkWindow *geo_window;
269 
270     if (vc->type == GD_VC_GFX) {
271         if (!vc->gfx.ds) {
272             return;
273         }
274         if (s->free_scale) {
275             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
276             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
277             mask |= GDK_HINT_MIN_SIZE;
278         } else {
279             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
280             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
281             mask |= GDK_HINT_MIN_SIZE;
282         }
283         geo_widget = vc->gfx.drawing_area;
284         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
285 
286 #if defined(CONFIG_VTE)
287     } else if (vc->type == GD_VC_VTE) {
288         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
289         GtkBorder padding = { 0 };
290 
291 #if VTE_CHECK_VERSION(0, 37, 0)
292         gtk_style_context_get_padding(
293                 gtk_widget_get_style_context(vc->vte.terminal),
294                 gtk_widget_get_state_flags(vc->vte.terminal),
295                 &padding);
296 #else
297         {
298             GtkBorder *ib = NULL;
299             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
300             if (ib) {
301                 padding = *ib;
302                 gtk_border_free(ib);
303             }
304         }
305 #endif
306 
307         geo.width_inc  = vte_terminal_get_char_width(term);
308         geo.height_inc = vte_terminal_get_char_height(term);
309         mask |= GDK_HINT_RESIZE_INC;
310         geo.base_width  = geo.width_inc;
311         geo.base_height = geo.height_inc;
312         mask |= GDK_HINT_BASE_SIZE;
313         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
314         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
315         mask |= GDK_HINT_MIN_SIZE;
316 
317         geo.base_width  += padding.left + padding.right;
318         geo.base_height += padding.top + padding.bottom;
319         geo.min_width   += padding.left + padding.right;
320         geo.min_height  += padding.top + padding.bottom;
321         geo_widget = vc->vte.terminal;
322 #endif
323     }
324 
325     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
326     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
327 }
328 
329 void gd_update_windowsize(VirtualConsole *vc)
330 {
331     GtkDisplayState *s = vc->s;
332 
333     gd_update_geometry_hints(vc);
334 
335     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
336         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
337                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
338     }
339 }
340 
341 static void gd_update_full_redraw(VirtualConsole *vc)
342 {
343     GtkWidget *area = vc->gfx.drawing_area;
344     int ww, wh;
345     ww = gdk_window_get_width(gtk_widget_get_window(area));
346     wh = gdk_window_get_height(gtk_widget_get_window(area));
347 #if defined(CONFIG_OPENGL)
348     if (vc->gfx.gls && gtk_use_gl_area) {
349         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
350         return;
351     }
352 #endif
353     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
354 }
355 
356 static void gtk_release_modifiers(GtkDisplayState *s)
357 {
358     VirtualConsole *vc = gd_vc_find_current(s);
359 
360     if (vc->type != GD_VC_GFX ||
361         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
362         return;
363     }
364     qkbd_state_lift_all_keys(vc->gfx.kbd);
365 }
366 
367 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
368                                GtkWidget *widget)
369 {
370     g_object_ref(G_OBJECT(widget));
371     gtk_container_remove(GTK_CONTAINER(from), widget);
372     gtk_container_add(GTK_CONTAINER(to), widget);
373     g_object_unref(G_OBJECT(widget));
374 }
375 
376 static void *gd_win32_get_hwnd(VirtualConsole *vc)
377 {
378 #ifdef G_OS_WIN32
379     return gdk_win32_window_get_impl_hwnd(
380         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
381 #else
382     return NULL;
383 #endif
384 }
385 
386 /** DisplayState Callbacks **/
387 
388 static void gd_update(DisplayChangeListener *dcl,
389                       int x, int y, int w, int h)
390 {
391     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
392     GdkWindow *win;
393     int x1, x2, y1, y2;
394     int mx, my;
395     int fbw, fbh;
396     int ww, wh;
397 
398     trace_gd_update(vc->label, x, y, w, h);
399 
400     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
401         return;
402     }
403 
404     if (vc->gfx.convert) {
405         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
406                                NULL, vc->gfx.convert,
407                                x, y, 0, 0, x, y, w, h);
408     }
409 
410     x1 = floor(x * vc->gfx.scale_x);
411     y1 = floor(y * vc->gfx.scale_y);
412 
413     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
414     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
415 
416     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
417     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
418 
419     win = gtk_widget_get_window(vc->gfx.drawing_area);
420     if (!win) {
421         return;
422     }
423     ww = gdk_window_get_width(win);
424     wh = gdk_window_get_height(win);
425 
426     mx = my = 0;
427     if (ww > fbw) {
428         mx = (ww - fbw) / 2;
429     }
430     if (wh > fbh) {
431         my = (wh - fbh) / 2;
432     }
433 
434     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
435                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
436 }
437 
438 static void gd_refresh(DisplayChangeListener *dcl)
439 {
440     graphic_hw_update(dcl->con);
441 }
442 
443 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
444 {
445     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
446 }
447 
448 static void gd_mouse_set(DisplayChangeListener *dcl,
449                          int x, int y, int visible)
450 {
451     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
452     GdkDisplay *dpy;
453     gint x_root, y_root;
454 
455     if (!gtk_widget_get_realized(vc->gfx.drawing_area) ||
456         qemu_input_is_absolute()) {
457         return;
458     }
459 
460     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
461     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
462                                x, y, &x_root, &y_root);
463     gdk_device_warp(gd_get_pointer(dpy),
464                     gtk_widget_get_screen(vc->gfx.drawing_area),
465                     x_root, y_root);
466     vc->s->last_x = x;
467     vc->s->last_y = y;
468 }
469 
470 static void gd_cursor_define(DisplayChangeListener *dcl,
471                              QEMUCursor *c)
472 {
473     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
474     GdkPixbuf *pixbuf;
475     GdkCursor *cursor;
476 
477     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
478         return;
479     }
480 
481     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
482                                       GDK_COLORSPACE_RGB, true, 8,
483                                       c->width, c->height, c->width * 4,
484                                       NULL, NULL);
485     cursor = gdk_cursor_new_from_pixbuf
486         (gtk_widget_get_display(vc->gfx.drawing_area),
487          pixbuf, c->hot_x, c->hot_y);
488     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
489     g_object_unref(pixbuf);
490     g_object_unref(cursor);
491 }
492 
493 static void gd_switch(DisplayChangeListener *dcl,
494                       DisplaySurface *surface)
495 {
496     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
497     bool resized = true;
498 
499     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
500 
501     if (vc->gfx.surface) {
502         cairo_surface_destroy(vc->gfx.surface);
503         vc->gfx.surface = NULL;
504     }
505     if (vc->gfx.convert) {
506         pixman_image_unref(vc->gfx.convert);
507         vc->gfx.convert = NULL;
508     }
509 
510     if (vc->gfx.ds &&
511         surface_width(vc->gfx.ds) == surface_width(surface) &&
512         surface_height(vc->gfx.ds) == surface_height(surface)) {
513         resized = false;
514     }
515     vc->gfx.ds = surface;
516 
517     if (surface->format == PIXMAN_x8r8g8b8) {
518         /*
519          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
520          *
521          * No need to convert, use surface directly.  Should be the
522          * common case as this is qemu_default_pixelformat(32) too.
523          */
524         vc->gfx.surface = cairo_image_surface_create_for_data
525             (surface_data(surface),
526              CAIRO_FORMAT_RGB24,
527              surface_width(surface),
528              surface_height(surface),
529              surface_stride(surface));
530     } else {
531         /* Must convert surface, use pixman to do it. */
532         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
533                                                    surface_width(surface),
534                                                    surface_height(surface),
535                                                    NULL, 0);
536         vc->gfx.surface = cairo_image_surface_create_for_data
537             ((void *)pixman_image_get_data(vc->gfx.convert),
538              CAIRO_FORMAT_RGB24,
539              pixman_image_get_width(vc->gfx.convert),
540              pixman_image_get_height(vc->gfx.convert),
541              pixman_image_get_stride(vc->gfx.convert));
542         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
543                                NULL, vc->gfx.convert,
544                                0, 0, 0, 0, 0, 0,
545                                pixman_image_get_width(vc->gfx.convert),
546                                pixman_image_get_height(vc->gfx.convert));
547     }
548 
549     if (resized) {
550         gd_update_windowsize(vc);
551     } else {
552         gd_update_full_redraw(vc);
553     }
554 }
555 
556 static const DisplayChangeListenerOps dcl_ops = {
557     .dpy_name             = "gtk",
558     .dpy_gfx_update       = gd_update,
559     .dpy_gfx_switch       = gd_switch,
560     .dpy_gfx_check_format = qemu_pixman_check_format,
561     .dpy_refresh          = gd_refresh,
562     .dpy_mouse_set        = gd_mouse_set,
563     .dpy_cursor_define    = gd_cursor_define,
564 };
565 
566 
567 #if defined(CONFIG_OPENGL)
568 
569 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
570 {
571     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
572 
573     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
574         /* FIXME: Assume it will work, actual check done after realize */
575         /* fixing this would require delaying listener registration */
576         return true;
577     }
578 
579     return vc->gfx.has_dmabuf;
580 }
581 
582 static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
583                                  QemuDmaBuf *dmabuf)
584 {
585 #ifdef CONFIG_GBM
586     egl_dmabuf_release_texture(dmabuf);
587 #endif
588 }
589 
590 void gd_hw_gl_flushed(void *vcon)
591 {
592     VirtualConsole *vc = vcon;
593     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
594 
595     qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
596     close(dmabuf->fence_fd);
597     dmabuf->fence_fd = -1;
598     graphic_hw_gl_block(vc->gfx.dcl.con, false);
599 }
600 
601 /** DisplayState Callbacks (opengl version) **/
602 
603 static const DisplayChangeListenerOps dcl_gl_area_ops = {
604     .dpy_name             = "gtk-egl",
605     .dpy_gfx_update       = gd_gl_area_update,
606     .dpy_gfx_switch       = gd_gl_area_switch,
607     .dpy_gfx_check_format = console_gl_check_format,
608     .dpy_refresh          = gd_gl_area_refresh,
609     .dpy_mouse_set        = gd_mouse_set,
610     .dpy_cursor_define    = gd_cursor_define,
611 
612     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
613     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
614     .dpy_gl_update           = gd_gl_area_scanout_flush,
615     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
616     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
617     .dpy_has_dmabuf          = gd_has_dmabuf,
618 };
619 
620 static bool
621 gd_gl_area_is_compatible_dcl(DisplayGLCtx *dgc,
622                              DisplayChangeListener *dcl)
623 {
624     return dcl->ops == &dcl_gl_area_ops;
625 }
626 
627 static const DisplayGLCtxOps gl_area_ctx_ops = {
628     .dpy_gl_ctx_is_compatible_dcl = gd_gl_area_is_compatible_dcl,
629     .dpy_gl_ctx_create       = gd_gl_area_create_context,
630     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
631     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
632 };
633 
634 #ifdef CONFIG_X11
635 static const DisplayChangeListenerOps dcl_egl_ops = {
636     .dpy_name             = "gtk-egl",
637     .dpy_gfx_update       = gd_egl_update,
638     .dpy_gfx_switch       = gd_egl_switch,
639     .dpy_gfx_check_format = console_gl_check_format,
640     .dpy_refresh          = gd_egl_refresh,
641     .dpy_mouse_set        = gd_mouse_set,
642     .dpy_cursor_define    = gd_cursor_define,
643 
644     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
645     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
646     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
647     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
648     .dpy_gl_cursor_position  = gd_egl_cursor_position,
649     .dpy_gl_update           = gd_egl_flush,
650     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
651     .dpy_has_dmabuf          = gd_has_dmabuf,
652 };
653 
654 static bool
655 gd_egl_is_compatible_dcl(DisplayGLCtx *dgc,
656                          DisplayChangeListener *dcl)
657 {
658     return dcl->ops == &dcl_egl_ops;
659 }
660 
661 static const DisplayGLCtxOps egl_ctx_ops = {
662     .dpy_gl_ctx_is_compatible_dcl = gd_egl_is_compatible_dcl,
663     .dpy_gl_ctx_create       = gd_egl_create_context,
664     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
665     .dpy_gl_ctx_make_current = gd_egl_make_current,
666 };
667 #endif
668 
669 #endif /* CONFIG_OPENGL */
670 
671 /** QEMU Events **/
672 
673 static void gd_change_runstate(void *opaque, bool running, RunState state)
674 {
675     GtkDisplayState *s = opaque;
676 
677     gd_update_caption(s);
678 }
679 
680 static void gd_mouse_mode_change(Notifier *notify, void *data)
681 {
682     GtkDisplayState *s;
683     int i;
684 
685     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
686     /* release the grab at switching to absolute mode */
687     if (qemu_input_is_absolute() && s->ptr_owner) {
688         if (!s->ptr_owner->window) {
689             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
690                                            FALSE);
691         } else {
692             gd_ungrab_pointer(s);
693         }
694     }
695     for (i = 0; i < s->nb_vcs; i++) {
696         VirtualConsole *vc = &s->vc[i];
697         gd_update_cursor(vc);
698     }
699 }
700 
701 /** GTK Events **/
702 
703 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
704                                 void *opaque)
705 {
706     GtkDisplayState *s = opaque;
707     bool allow_close = true;
708 
709     if (s->opts->has_window_close && !s->opts->window_close) {
710         allow_close = false;
711     }
712 
713     if (allow_close) {
714         qmp_quit(NULL);
715     }
716 
717     return TRUE;
718 }
719 
720 static void gd_set_ui_refresh_rate(VirtualConsole *vc, int refresh_rate)
721 {
722     QemuUIInfo info;
723 
724     info = *dpy_get_ui_info(vc->gfx.dcl.con);
725     info.refresh_rate = refresh_rate;
726     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
727 }
728 
729 static void gd_set_ui_size(VirtualConsole *vc, gint width, gint height)
730 {
731     QemuUIInfo info;
732 
733     info = *dpy_get_ui_info(vc->gfx.dcl.con);
734     info.width = width;
735     info.height = height;
736     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
737 }
738 
739 #if defined(CONFIG_OPENGL)
740 
741 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
742                                 void *opaque)
743 {
744     VirtualConsole *vc = opaque;
745 
746     if (vc->gfx.gls) {
747         gd_gl_area_draw(vc);
748     }
749     return TRUE;
750 }
751 
752 static void gd_resize_event(GtkGLArea *area,
753                             gint width, gint height, gpointer *opaque)
754 {
755     VirtualConsole *vc = (void *)opaque;
756 
757     gd_set_ui_size(vc, width, height);
758 }
759 
760 #endif
761 
762 void gd_update_monitor_refresh_rate(VirtualConsole *vc, GtkWidget *widget)
763 {
764 #ifdef GDK_VERSION_3_22
765     GdkWindow *win = gtk_widget_get_window(widget);
766     int refresh_rate;
767 
768     if (win) {
769         GdkDisplay *dpy = gtk_widget_get_display(widget);
770         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
771         refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
772     } else {
773         refresh_rate = 0;
774     }
775 
776     gd_set_ui_refresh_rate(vc, refresh_rate);
777 
778     /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
779     vc->gfx.dcl.update_interval = refresh_rate ?
780         MIN(1000 * 1000 / refresh_rate, GUI_REFRESH_INTERVAL_DEFAULT) :
781         GUI_REFRESH_INTERVAL_DEFAULT;
782 #endif
783 }
784 
785 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
786 {
787     VirtualConsole *vc = opaque;
788     GtkDisplayState *s = vc->s;
789     int mx, my;
790     int ww, wh;
791     int fbw, fbh;
792 
793 #if defined(CONFIG_OPENGL)
794     if (vc->gfx.gls) {
795         if (gtk_use_gl_area) {
796             /* invoke render callback please */
797             return FALSE;
798         } else {
799 #ifdef CONFIG_X11
800             gd_egl_draw(vc);
801             return TRUE;
802 #else
803             abort();
804 #endif
805         }
806     }
807 #endif
808 
809     if (!gtk_widget_get_realized(widget)) {
810         return FALSE;
811     }
812     if (!vc->gfx.ds) {
813         return FALSE;
814     }
815     if (!vc->gfx.surface) {
816         return FALSE;
817     }
818 
819     gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : s->window);
820 
821     fbw = surface_width(vc->gfx.ds);
822     fbh = surface_height(vc->gfx.ds);
823 
824     ww = gdk_window_get_width(gtk_widget_get_window(widget));
825     wh = gdk_window_get_height(gtk_widget_get_window(widget));
826 
827     if (s->full_screen) {
828         vc->gfx.scale_x = (double)ww / fbw;
829         vc->gfx.scale_y = (double)wh / fbh;
830     } else if (s->free_scale) {
831         double sx, sy;
832 
833         sx = (double)ww / fbw;
834         sy = (double)wh / fbh;
835 
836         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
837     }
838 
839     fbw *= vc->gfx.scale_x;
840     fbh *= vc->gfx.scale_y;
841 
842     mx = my = 0;
843     if (ww > fbw) {
844         mx = (ww - fbw) / 2;
845     }
846     if (wh > fbh) {
847         my = (wh - fbh) / 2;
848     }
849 
850     cairo_rectangle(cr, 0, 0, ww, wh);
851 
852     /* Optionally cut out the inner area where the pixmap
853        will be drawn. This avoids 'flashing' since we're
854        not double-buffering. Note we're using the undocumented
855        behaviour of drawing the rectangle from right to left
856        to cut out the whole */
857     cairo_rectangle(cr, mx + fbw, my,
858                     -1 * fbw, fbh);
859     cairo_fill(cr);
860 
861     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
862     cairo_set_source_surface(cr, vc->gfx.surface,
863                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
864     cairo_paint(cr);
865 
866     return TRUE;
867 }
868 
869 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
870                                 void *opaque)
871 {
872     VirtualConsole *vc = opaque;
873     GtkDisplayState *s = vc->s;
874     int x, y;
875     int mx, my;
876     int fbh, fbw;
877     int ww, wh, ws;
878 
879     if (!vc->gfx.ds) {
880         return TRUE;
881     }
882 
883     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
884     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
885 
886     ww = gtk_widget_get_allocated_width(widget);
887     wh = gtk_widget_get_allocated_height(widget);
888     ws = gtk_widget_get_scale_factor(widget);
889 
890     mx = my = 0;
891     if (ww > fbw) {
892         mx = (ww - fbw) / 2;
893     }
894     if (wh > fbh) {
895         my = (wh - fbh) / 2;
896     }
897 
898     x = (motion->x - mx) / vc->gfx.scale_x * ws;
899     y = (motion->y - my) / vc->gfx.scale_y * ws;
900 
901     if (qemu_input_is_absolute()) {
902         if (x < 0 || y < 0 ||
903             x >= surface_width(vc->gfx.ds) ||
904             y >= surface_height(vc->gfx.ds)) {
905             return TRUE;
906         }
907         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
908                              0, surface_width(vc->gfx.ds));
909         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
910                              0, surface_height(vc->gfx.ds));
911         qemu_input_event_sync();
912     } else if (s->last_set && s->ptr_owner == vc) {
913         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
914         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
915         qemu_input_event_sync();
916     }
917     s->last_x = x;
918     s->last_y = y;
919     s->last_set = TRUE;
920 
921     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
922         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
923         GdkDisplay *dpy = gtk_widget_get_display(widget);
924         GdkWindow *win = gtk_widget_get_window(widget);
925         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
926         GdkRectangle geometry;
927 
928         int x = (int)motion->x_root;
929         int y = (int)motion->y_root;
930 
931         gdk_monitor_get_geometry(monitor, &geometry);
932 
933         /* In relative mode check to see if client pointer hit
934          * one of the monitor edges, and if so move it back to the
935          * center of the monitor. This is important because the pointer
936          * in the server doesn't correspond 1-for-1, and so
937          * may still be only half way across the screen. Without
938          * this warp, the server pointer would thus appear to hit
939          * an invisible wall */
940         if (x <= geometry.x || x - geometry.x >= geometry.width - 1 ||
941             y <= geometry.y || y - geometry.y >= geometry.height - 1) {
942             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
943             x = geometry.x + geometry.width / 2;
944             y = geometry.y + geometry.height / 2;
945 
946             gdk_device_warp(dev, screen, x, y);
947             s->last_set = FALSE;
948             return FALSE;
949         }
950     }
951     return TRUE;
952 }
953 
954 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
955                                 void *opaque)
956 {
957     VirtualConsole *vc = opaque;
958     GtkDisplayState *s = vc->s;
959     InputButton btn;
960 
961     /* implicitly grab the input at the first click in the relative mode */
962     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
963         !qemu_input_is_absolute() && s->ptr_owner != vc) {
964         if (!vc->window) {
965             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
966                                            TRUE);
967         } else {
968             gd_grab_pointer(vc, "relative-mode-click");
969         }
970         return TRUE;
971     }
972 
973     if (button->button == 1) {
974         btn = INPUT_BUTTON_LEFT;
975     } else if (button->button == 2) {
976         btn = INPUT_BUTTON_MIDDLE;
977     } else if (button->button == 3) {
978         btn = INPUT_BUTTON_RIGHT;
979     } else if (button->button == 8) {
980         btn = INPUT_BUTTON_SIDE;
981     } else if (button->button == 9) {
982         btn = INPUT_BUTTON_EXTRA;
983     } else {
984         return TRUE;
985     }
986 
987     if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
988         return TRUE;
989     }
990 
991     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
992                          button->type == GDK_BUTTON_PRESS);
993     qemu_input_event_sync();
994     return TRUE;
995 }
996 
997 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
998                                 void *opaque)
999 {
1000     VirtualConsole *vc = opaque;
1001     InputButton btn_vertical;
1002     InputButton btn_horizontal;
1003     bool has_vertical = false;
1004     bool has_horizontal = false;
1005 
1006     if (scroll->direction == GDK_SCROLL_UP) {
1007         btn_vertical = INPUT_BUTTON_WHEEL_UP;
1008         has_vertical = true;
1009     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1010         btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1011         has_vertical = true;
1012     } else if (scroll->direction == GDK_SCROLL_LEFT) {
1013         btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1014         has_horizontal = true;
1015     } else if (scroll->direction == GDK_SCROLL_RIGHT) {
1016         btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1017         has_horizontal = true;
1018     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1019         gdouble delta_x, delta_y;
1020         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1021                                          &delta_x, &delta_y)) {
1022             return TRUE;
1023         }
1024 
1025         if (delta_y > 0) {
1026             btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1027             has_vertical = true;
1028         } else if (delta_y < 0) {
1029             btn_vertical = INPUT_BUTTON_WHEEL_UP;
1030             has_vertical = true;
1031         } else if (delta_x > 0) {
1032             btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1033             has_horizontal = true;
1034         } else if (delta_x < 0) {
1035             btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1036             has_horizontal = true;
1037         } else {
1038             return TRUE;
1039         }
1040     } else {
1041         return TRUE;
1042     }
1043 
1044     if (has_vertical) {
1045         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1046         qemu_input_event_sync();
1047         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1048         qemu_input_event_sync();
1049     }
1050 
1051     if (has_horizontal) {
1052         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1053         qemu_input_event_sync();
1054         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1055         qemu_input_event_sync();
1056     }
1057 
1058     return TRUE;
1059 }
1060 
1061 
1062 static gboolean gd_touch_event(GtkWidget *widget, GdkEventTouch *touch,
1063                                void *opaque)
1064 {
1065     VirtualConsole *vc = opaque;
1066     uint64_t num_slot = GPOINTER_TO_UINT(touch->sequence);
1067     int type = -1;
1068 
1069     switch (touch->type) {
1070     case GDK_TOUCH_BEGIN:
1071         type = INPUT_MULTI_TOUCH_TYPE_BEGIN;
1072         break;
1073     case GDK_TOUCH_UPDATE:
1074         type = INPUT_MULTI_TOUCH_TYPE_UPDATE;
1075         break;
1076     case GDK_TOUCH_END:
1077     case GDK_TOUCH_CANCEL:
1078         type = INPUT_MULTI_TOUCH_TYPE_END;
1079         break;
1080     default:
1081         warn_report("gtk: unexpected touch event type\n");
1082         return FALSE;
1083     }
1084 
1085     console_handle_touch_event(vc->gfx.dcl.con, touch_slots,
1086                                num_slot, surface_width(vc->gfx.ds),
1087                                surface_height(vc->gfx.ds), touch->x,
1088                                touch->y, type, &error_warn);
1089     return TRUE;
1090 }
1091 
1092 static const guint16 *gd_get_keymap(size_t *maplen)
1093 {
1094     GdkDisplay *dpy = gdk_display_get_default();
1095 
1096 #ifdef GDK_WINDOWING_X11
1097     if (GDK_IS_X11_DISPLAY(dpy)) {
1098         trace_gd_keymap_windowing("x11");
1099         return qemu_xkeymap_mapping_table(
1100             gdk_x11_display_get_xdisplay(dpy), maplen);
1101     }
1102 #endif
1103 
1104 #ifdef GDK_WINDOWING_WAYLAND
1105     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1106         trace_gd_keymap_windowing("wayland");
1107         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1108         return qemu_input_map_xorgevdev_to_qcode;
1109     }
1110 #endif
1111 
1112 #ifdef GDK_WINDOWING_WIN32
1113     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1114         trace_gd_keymap_windowing("win32");
1115         *maplen = qemu_input_map_atset1_to_qcode_len;
1116         return qemu_input_map_atset1_to_qcode;
1117     }
1118 #endif
1119 
1120 #ifdef GDK_WINDOWING_QUARTZ
1121     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1122         trace_gd_keymap_windowing("quartz");
1123         *maplen = qemu_input_map_osx_to_qcode_len;
1124         return qemu_input_map_osx_to_qcode;
1125     }
1126 #endif
1127 
1128 #ifdef GDK_WINDOWING_BROADWAY
1129     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1130         trace_gd_keymap_windowing("broadway");
1131         g_warning("experimental: using broadway, x11 virtual keysym\n"
1132                   "mapping - with very limited support. See also\n"
1133                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1134         *maplen = qemu_input_map_x11_to_qcode_len;
1135         return qemu_input_map_x11_to_qcode;
1136     }
1137 #endif
1138 
1139     g_warning("Unsupported GDK Windowing platform.\n"
1140               "Disabling extended keycode tables.\n"
1141               "Please report to qemu-devel@nongnu.org\n"
1142               "including the following information:\n"
1143               "\n"
1144               "  - Operating system\n"
1145               "  - GDK Windowing system build\n");
1146     return NULL;
1147 }
1148 
1149 
1150 static int gd_map_keycode(int scancode)
1151 {
1152     if (!keycode_map) {
1153         return 0;
1154     }
1155     if (scancode > keycode_maplen) {
1156         return 0;
1157     }
1158 
1159     return keycode_map[scancode];
1160 }
1161 
1162 static int gd_get_keycode(GdkEventKey *key)
1163 {
1164 #ifdef G_OS_WIN32
1165     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1166 
1167     /* translate Windows native scancodes to atset1 keycodes */
1168     switch (scancode & (KF_EXTENDED | 0xff)) {
1169     case 0x145:     /* NUMLOCK */
1170         return scancode & 0xff;
1171     }
1172 
1173     return scancode & KF_EXTENDED ?
1174         0xe000 | (scancode & 0xff) : scancode & 0xff;
1175 
1176 #else
1177     return key->hardware_keycode;
1178 #endif
1179 }
1180 
1181 static gboolean gd_text_key_down(GtkWidget *widget,
1182                                  GdkEventKey *key, void *opaque)
1183 {
1184     VirtualConsole *vc = opaque;
1185     QemuConsole *con = vc->gfx.dcl.con;
1186 
1187     if (key->keyval == GDK_KEY_Delete) {
1188         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1189     } else if (key->length) {
1190         kbd_put_string_console(con, key->string, key->length);
1191     } else {
1192         int qcode = gd_map_keycode(gd_get_keycode(key));
1193         kbd_put_qcode_console(con, qcode, false);
1194     }
1195     return TRUE;
1196 }
1197 
1198 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1199 {
1200     VirtualConsole *vc = opaque;
1201     int keycode, qcode;
1202 
1203 #ifdef G_OS_WIN32
1204     /* on windows, we ought to ignore the reserved key event? */
1205     if (key->hardware_keycode == 0xff)
1206         return false;
1207 
1208     if (!vc->s->kbd_owner) {
1209         if (key->hardware_keycode == VK_LWIN ||
1210             key->hardware_keycode == VK_RWIN) {
1211             return FALSE;
1212         }
1213     }
1214 #endif
1215 
1216     if (key->keyval == GDK_KEY_Pause
1217 #ifdef G_OS_WIN32
1218         /* for some reason GDK does not fill keyval for VK_PAUSE
1219          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1220          */
1221         || key->hardware_keycode == VK_PAUSE
1222 #endif
1223         ) {
1224         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1225                              key->type == GDK_KEY_PRESS);
1226         return TRUE;
1227     }
1228 
1229     keycode = gd_get_keycode(key);
1230     qcode = gd_map_keycode(keycode);
1231 
1232     trace_gd_key_event(vc->label, keycode, qcode,
1233                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1234 
1235     qkbd_state_key_event(vc->gfx.kbd, qcode,
1236                          key->type == GDK_KEY_PRESS);
1237 
1238     return TRUE;
1239 }
1240 
1241 static gboolean gd_grab_broken_event(GtkWidget *widget,
1242                                      GdkEventGrabBroken *event, void *opaque)
1243 {
1244 #ifdef CONFIG_WIN32
1245     /*
1246      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1247      * key combination leaves all three keys in a stuck condition. We use
1248      * the grab-broken-event to release all keys.
1249      */
1250     if (event->keyboard) {
1251         VirtualConsole *vc = opaque;
1252         GtkDisplayState *s = vc->s;
1253 
1254         gtk_release_modifiers(s);
1255     }
1256 #endif
1257     return TRUE;
1258 }
1259 
1260 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1261 {
1262     if (event->type == GDK_MOTION_NOTIFY) {
1263         return gd_motion_event(widget, &event->motion, opaque);
1264     }
1265     return FALSE;
1266 }
1267 
1268 /** Window Menu Actions **/
1269 
1270 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1271 {
1272     GtkDisplayState *s = opaque;
1273 
1274     if (s->external_pause_update) {
1275         return;
1276     }
1277     if (runstate_is_running()) {
1278         qmp_stop(NULL);
1279     } else {
1280         qmp_cont(NULL);
1281     }
1282 }
1283 
1284 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1285 {
1286     qmp_system_reset(NULL);
1287 }
1288 
1289 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1290 {
1291     qmp_system_powerdown(NULL);
1292 }
1293 
1294 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1295 {
1296     qmp_quit(NULL);
1297 }
1298 
1299 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1300 {
1301     GtkDisplayState *s = opaque;
1302     VirtualConsole *vc = gd_vc_find_by_menu(s);
1303     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1304     gint page;
1305 
1306     gtk_release_modifiers(s);
1307     if (vc) {
1308         page = gtk_notebook_page_num(nb, vc->tab_item);
1309         gtk_notebook_set_current_page(nb, page);
1310         gtk_widget_grab_focus(vc->focus);
1311     }
1312 }
1313 
1314 static void gd_accel_switch_vc(void *opaque)
1315 {
1316     VirtualConsole *vc = opaque;
1317 
1318     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1319 }
1320 
1321 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1322 {
1323     GtkDisplayState *s = opaque;
1324     VirtualConsole *vc = gd_vc_find_current(s);
1325 
1326     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1327         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1328     } else {
1329         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1330     }
1331     gd_update_windowsize(vc);
1332 }
1333 
1334 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1335                                     void *opaque)
1336 {
1337     VirtualConsole *vc = opaque;
1338     GtkDisplayState *s = vc->s;
1339 
1340     gtk_widget_set_sensitive(vc->menu_item, true);
1341     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1342     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1343                                     vc->tab_item, vc->label);
1344     gtk_widget_destroy(vc->window);
1345     vc->window = NULL;
1346 #if defined(CONFIG_OPENGL)
1347     if (vc->gfx.esurface) {
1348         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1349         vc->gfx.esurface = NULL;
1350     }
1351     if (vc->gfx.ectx) {
1352         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1353         vc->gfx.ectx = NULL;
1354     }
1355 #endif
1356     return TRUE;
1357 }
1358 
1359 static gboolean gd_win_grab(void *opaque)
1360 {
1361     VirtualConsole *vc = opaque;
1362 
1363     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1364     if (vc->s->ptr_owner) {
1365         gd_ungrab_pointer(vc->s);
1366     } else {
1367         gd_grab_pointer(vc, "user-request-detached-tab");
1368     }
1369     return TRUE;
1370 }
1371 
1372 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1373 {
1374     GtkDisplayState *s = opaque;
1375     VirtualConsole *vc = gd_vc_find_current(s);
1376 
1377     if (vc->type == GD_VC_GFX &&
1378         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1379         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1380                                        FALSE);
1381     }
1382     if (!vc->window) {
1383         gtk_widget_set_sensitive(vc->menu_item, false);
1384         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1385 #if defined(CONFIG_OPENGL)
1386         if (vc->gfx.esurface) {
1387             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1388             vc->gfx.esurface = NULL;
1389         }
1390         if (vc->gfx.esurface) {
1391             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1392             vc->gfx.ectx = NULL;
1393         }
1394 #endif
1395         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1396 
1397         g_signal_connect(vc->window, "delete-event",
1398                          G_CALLBACK(gd_tab_window_close), vc);
1399         gtk_widget_show_all(vc->window);
1400 
1401         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1402             GtkAccelGroup *ag = gtk_accel_group_new();
1403             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1404 
1405             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1406                                                vc, NULL);
1407             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1408         }
1409 
1410         gd_update_geometry_hints(vc);
1411         gd_update_caption(s);
1412     }
1413 }
1414 
1415 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1416 {
1417     GtkDisplayState *s = opaque;
1418     VirtualConsole *vc = gd_vc_find_current(s);
1419 
1420     if (s->full_screen) {
1421         return;
1422     }
1423 
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     } else {
1428         gtk_widget_hide(s->menu_bar);
1429     }
1430     gd_update_windowsize(vc);
1431 }
1432 
1433 static void gd_accel_show_menubar(void *opaque)
1434 {
1435     GtkDisplayState *s = opaque;
1436     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1437 }
1438 
1439 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1440 {
1441     GtkDisplayState *s = opaque;
1442     VirtualConsole *vc = gd_vc_find_current(s);
1443 
1444     if (!s->full_screen) {
1445         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1446         gtk_widget_hide(s->menu_bar);
1447         if (vc->type == GD_VC_GFX) {
1448             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1449         }
1450         gtk_window_fullscreen(GTK_WINDOW(s->window));
1451         s->full_screen = TRUE;
1452     } else {
1453         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1454         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1455         if (gtk_check_menu_item_get_active(
1456                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1457             gtk_widget_show(s->menu_bar);
1458         }
1459         s->full_screen = FALSE;
1460         if (vc->type == GD_VC_GFX) {
1461             vc->gfx.scale_x = 1.0;
1462             vc->gfx.scale_y = 1.0;
1463             gd_update_windowsize(vc);
1464         }
1465     }
1466 
1467     gd_update_cursor(vc);
1468 }
1469 
1470 static void gd_accel_full_screen(void *opaque)
1471 {
1472     GtkDisplayState *s = opaque;
1473     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1474 }
1475 
1476 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1477 {
1478     GtkDisplayState *s = opaque;
1479     VirtualConsole *vc = gd_vc_find_current(s);
1480 
1481     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1482                                    FALSE);
1483 
1484     vc->gfx.scale_x += VC_SCALE_STEP;
1485     vc->gfx.scale_y += VC_SCALE_STEP;
1486 
1487     gd_update_windowsize(vc);
1488 }
1489 
1490 static void gd_accel_zoom_in(void *opaque)
1491 {
1492     GtkDisplayState *s = opaque;
1493     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1494 }
1495 
1496 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1497 {
1498     GtkDisplayState *s = opaque;
1499     VirtualConsole *vc = gd_vc_find_current(s);
1500 
1501     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1502                                    FALSE);
1503 
1504     vc->gfx.scale_x -= VC_SCALE_STEP;
1505     vc->gfx.scale_y -= VC_SCALE_STEP;
1506 
1507     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1508     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1509 
1510     gd_update_windowsize(vc);
1511 }
1512 
1513 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1514 {
1515     GtkDisplayState *s = opaque;
1516     VirtualConsole *vc = gd_vc_find_current(s);
1517 
1518     vc->gfx.scale_x = 1.0;
1519     vc->gfx.scale_y = 1.0;
1520 
1521     gd_update_windowsize(vc);
1522 }
1523 
1524 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1525 {
1526     GtkDisplayState *s = opaque;
1527     VirtualConsole *vc = gd_vc_find_current(s);
1528 
1529     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1530         s->free_scale = TRUE;
1531     } else {
1532         s->free_scale = FALSE;
1533         vc->gfx.scale_x = 1.0;
1534         vc->gfx.scale_y = 1.0;
1535     }
1536 
1537     gd_update_windowsize(vc);
1538     gd_update_full_redraw(vc);
1539 }
1540 
1541 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1542 {
1543     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1544     GdkSeat *seat = gdk_display_get_default_seat(display);
1545     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1546     GdkSeatCapabilities caps = 0;
1547     GdkCursor *cursor = NULL;
1548 
1549     if (kbd) {
1550         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1551     }
1552     if (ptr) {
1553         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1554         cursor = vc->s->null_cursor;
1555     }
1556 
1557     if (caps) {
1558         gdk_seat_grab(seat, window, caps, false, cursor,
1559                       NULL, NULL, NULL);
1560     } else {
1561         gdk_seat_ungrab(seat);
1562     }
1563 }
1564 
1565 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1566 {
1567     if (vc->s->kbd_owner) {
1568         if (vc->s->kbd_owner == vc) {
1569             return;
1570         } else {
1571             gd_ungrab_keyboard(vc->s);
1572         }
1573     }
1574 
1575     win32_kbd_set_grab(true);
1576     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1577     vc->s->kbd_owner = vc;
1578     gd_update_caption(vc->s);
1579     trace_gd_grab(vc->label, "kbd", reason);
1580 }
1581 
1582 static void gd_ungrab_keyboard(GtkDisplayState *s)
1583 {
1584     VirtualConsole *vc = s->kbd_owner;
1585 
1586     if (vc == NULL) {
1587         return;
1588     }
1589     s->kbd_owner = NULL;
1590 
1591     win32_kbd_set_grab(false);
1592     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1593     gd_update_caption(s);
1594     trace_gd_ungrab(vc->label, "kbd");
1595 }
1596 
1597 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1598 {
1599     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1600 
1601     if (vc->s->ptr_owner) {
1602         if (vc->s->ptr_owner == vc) {
1603             return;
1604         } else {
1605             gd_ungrab_pointer(vc->s);
1606         }
1607     }
1608 
1609     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1610     gdk_device_get_position(gd_get_pointer(display),
1611                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1612     vc->s->ptr_owner = vc;
1613     gd_update_caption(vc->s);
1614     trace_gd_grab(vc->label, "ptr", reason);
1615 }
1616 
1617 static void gd_ungrab_pointer(GtkDisplayState *s)
1618 {
1619     VirtualConsole *vc = s->ptr_owner;
1620     GdkDisplay *display;
1621 
1622     if (vc == NULL) {
1623         return;
1624     }
1625     s->ptr_owner = NULL;
1626 
1627     display = gtk_widget_get_display(vc->gfx.drawing_area);
1628     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1629     gdk_device_warp(gd_get_pointer(display),
1630                     gtk_widget_get_screen(vc->gfx.drawing_area),
1631                     vc->s->grab_x_root, vc->s->grab_y_root);
1632     gd_update_caption(s);
1633     trace_gd_ungrab(vc->label, "ptr");
1634 }
1635 
1636 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1637 {
1638     GtkDisplayState *s = opaque;
1639     VirtualConsole *vc = gd_vc_find_current(s);
1640 
1641     if (gd_is_grab_active(s)) {
1642         gd_grab_keyboard(vc, "user-request-main-window");
1643         gd_grab_pointer(vc, "user-request-main-window");
1644     } else {
1645         gd_ungrab_keyboard(s);
1646         gd_ungrab_pointer(s);
1647     }
1648 
1649     gd_update_cursor(vc);
1650 }
1651 
1652 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1653                            gpointer data)
1654 {
1655     GtkDisplayState *s = data;
1656     VirtualConsole *vc;
1657     gboolean on_vga;
1658 
1659     if (!gtk_widget_get_realized(s->notebook)) {
1660         return;
1661     }
1662 
1663     vc = gd_vc_find_by_page(s, arg2);
1664     if (!vc) {
1665         return;
1666     }
1667     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1668                                    TRUE);
1669     on_vga = (vc->type == GD_VC_GFX &&
1670               qemu_console_is_graphic(vc->gfx.dcl.con));
1671     if (!on_vga) {
1672         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1673                                        FALSE);
1674     } else if (s->full_screen) {
1675         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1676                                        TRUE);
1677     }
1678     gtk_widget_set_sensitive(s->grab_item, on_vga);
1679 #ifdef CONFIG_VTE
1680     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1681 #endif
1682 
1683     gd_update_windowsize(vc);
1684     gd_update_cursor(vc);
1685 }
1686 
1687 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1688                                gpointer opaque)
1689 {
1690     VirtualConsole *vc = opaque;
1691     GtkDisplayState *s = vc->s;
1692 
1693     if (gd_grab_on_hover(s)) {
1694         gd_grab_keyboard(vc, "grab-on-hover");
1695     }
1696     return TRUE;
1697 }
1698 
1699 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1700                                gpointer opaque)
1701 {
1702     VirtualConsole *vc = opaque;
1703     GtkDisplayState *s = vc->s;
1704 
1705     if (gd_grab_on_hover(s)) {
1706         gd_ungrab_keyboard(s);
1707     }
1708     return TRUE;
1709 }
1710 
1711 static gboolean gd_focus_in_event(GtkWidget *widget,
1712                                   GdkEventFocus *event, gpointer opaque)
1713 {
1714     VirtualConsole *vc = opaque;
1715 
1716     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1717     return TRUE;
1718 }
1719 
1720 static gboolean gd_focus_out_event(GtkWidget *widget,
1721                                    GdkEventFocus *event, gpointer opaque)
1722 {
1723     VirtualConsole *vc = opaque;
1724     GtkDisplayState *s = vc->s;
1725 
1726     win32_kbd_set_window(NULL);
1727     gtk_release_modifiers(s);
1728     return TRUE;
1729 }
1730 
1731 static gboolean gd_configure(GtkWidget *widget,
1732                              GdkEventConfigure *cfg, gpointer opaque)
1733 {
1734     VirtualConsole *vc = opaque;
1735 
1736     gd_set_ui_size(vc, cfg->width, cfg->height);
1737     return FALSE;
1738 }
1739 
1740 /** Virtual Console Callbacks **/
1741 
1742 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1743                                int idx, GSList *group, GtkWidget *view_menu)
1744 {
1745     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1746     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1747             HOTKEY_MODIFIERS, 0,
1748             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1749     gtk_accel_label_set_accel(
1750             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1751             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1752 
1753     g_signal_connect(vc->menu_item, "activate",
1754                      G_CALLBACK(gd_menu_switch_vc), s);
1755     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1756 
1757     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1758 }
1759 
1760 #if defined(CONFIG_VTE)
1761 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1762 {
1763     GtkDisplayState *s = opaque;
1764     VirtualConsole *vc = gd_vc_find_current(s);
1765 
1766 #if VTE_CHECK_VERSION(0, 50, 0)
1767     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1768                                        VTE_FORMAT_TEXT);
1769 #else
1770     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1771 #endif
1772 }
1773 
1774 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1775 {
1776     VirtualConsole *vc = opaque;
1777 
1778     if (gtk_adjustment_get_upper(adjustment) >
1779         gtk_adjustment_get_page_size(adjustment)) {
1780         gtk_widget_show(vc->vte.scrollbar);
1781     } else {
1782         gtk_widget_hide(vc->vte.scrollbar);
1783     }
1784 }
1785 
1786 static void gd_vc_send_chars(VirtualConsole *vc)
1787 {
1788     uint32_t len, avail;
1789 
1790     len = qemu_chr_be_can_write(vc->vte.chr);
1791     avail = fifo8_num_used(&vc->vte.out_fifo);
1792     while (len > 0 && avail > 0) {
1793         const uint8_t *buf;
1794         uint32_t size;
1795 
1796         buf = fifo8_pop_buf(&vc->vte.out_fifo, MIN(len, avail), &size);
1797         qemu_chr_be_write(vc->vte.chr, buf, size);
1798         len = qemu_chr_be_can_write(vc->vte.chr);
1799         avail -= size;
1800     }
1801 }
1802 
1803 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1804 {
1805     VCChardev *vcd = VC_CHARDEV(chr);
1806     VirtualConsole *vc = vcd->console;
1807 
1808     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1809     return len;
1810 }
1811 
1812 static void gd_vc_chr_accept_input(Chardev *chr)
1813 {
1814     VCChardev *vcd = VC_CHARDEV(chr);
1815     VirtualConsole *vc = vcd->console;
1816 
1817     if (vc) {
1818         gd_vc_send_chars(vc);
1819     }
1820 }
1821 
1822 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1823 {
1824     VCChardev *vcd = VC_CHARDEV(chr);
1825     VirtualConsole *vc = vcd->console;
1826 
1827     if (vc) {
1828         vc->vte.echo = echo;
1829     } else {
1830         vcd->echo = echo;
1831     }
1832 }
1833 
1834 static int nb_vcs;
1835 static Chardev *vcs[MAX_VCS];
1836 static void gd_vc_open(Chardev *chr,
1837                        ChardevBackend *backend,
1838                        bool *be_opened,
1839                        Error **errp)
1840 {
1841     if (nb_vcs == MAX_VCS) {
1842         error_setg(errp, "Maximum number of consoles reached");
1843         return;
1844     }
1845 
1846     vcs[nb_vcs++] = chr;
1847 
1848     /* console/chardev init sometimes completes elsewhere in a 2nd
1849      * stage, so defer OPENED events until they are fully initialized
1850      */
1851     *be_opened = false;
1852 }
1853 
1854 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1855 {
1856     ChardevClass *cc = CHARDEV_CLASS(oc);
1857 
1858     cc->parse = qemu_chr_parse_vc;
1859     cc->open = gd_vc_open;
1860     cc->chr_write = gd_vc_chr_write;
1861     cc->chr_accept_input = gd_vc_chr_accept_input;
1862     cc->chr_set_echo = gd_vc_chr_set_echo;
1863 }
1864 
1865 static const TypeInfo char_gd_vc_type_info = {
1866     .name = TYPE_CHARDEV_VC,
1867     .parent = TYPE_CHARDEV,
1868     .instance_size = sizeof(VCChardev),
1869     .class_init = char_gd_vc_class_init,
1870 };
1871 
1872 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1873                          gpointer user_data)
1874 {
1875     VirtualConsole *vc = user_data;
1876     uint32_t free;
1877 
1878     if (vc->vte.echo) {
1879         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1880         int i;
1881         for (i = 0; i < size; i++) {
1882             uint8_t c = text[i];
1883             if (c >= 128 || isprint(c)) {
1884                 /* 8-bit characters are considered printable.  */
1885                 vte_terminal_feed(term, &text[i], 1);
1886             } else if (c == '\r' || c == '\n') {
1887                 vte_terminal_feed(term, "\r\n", 2);
1888             } else {
1889                 char ctrl[2] = { '^', 0};
1890                 ctrl[1] = text[i] ^ 64;
1891                 vte_terminal_feed(term, ctrl, 2);
1892             }
1893         }
1894     }
1895 
1896     free = fifo8_num_free(&vc->vte.out_fifo);
1897     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1898     gd_vc_send_chars(vc);
1899 
1900     return TRUE;
1901 }
1902 
1903 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1904                               Chardev *chr, int idx,
1905                               GSList *group, GtkWidget *view_menu)
1906 {
1907     char buffer[32];
1908     GtkWidget *box;
1909     GtkWidget *scrollbar;
1910     GtkAdjustment *vadjustment;
1911     VCChardev *vcd = VC_CHARDEV(chr);
1912 
1913     vc->s = s;
1914     vc->vte.echo = vcd->echo;
1915     vc->vte.chr = chr;
1916     fifo8_create(&vc->vte.out_fifo, 4096);
1917     vcd->console = vc;
1918 
1919     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1920     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1921                                 ? vc->vte.chr->label : buffer);
1922     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1923 
1924     vc->vte.terminal = vte_terminal_new();
1925     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1926 
1927     /* The documentation says that the default is UTF-8, but actually it is
1928      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1929      * VTE 0.54 (only UTF-8 is supported now). */
1930 #if !VTE_CHECK_VERSION(0, 54, 0)
1931 #if VTE_CHECK_VERSION(0, 38, 0)
1932     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1933 #else
1934     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1935 #endif
1936 #endif
1937 
1938     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1939     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1940                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1941 
1942 #if VTE_CHECK_VERSION(0, 28, 0)
1943     vadjustment = gtk_scrollable_get_vadjustment
1944         (GTK_SCROLLABLE(vc->vte.terminal));
1945 #else
1946     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1947 #endif
1948 
1949     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1950     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1951 
1952     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1953     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1954 
1955     vc->vte.box = box;
1956     vc->vte.scrollbar = scrollbar;
1957 
1958     g_signal_connect(vadjustment, "changed",
1959                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1960 
1961     vc->type = GD_VC_VTE;
1962     vc->tab_item = box;
1963     vc->focus = vc->vte.terminal;
1964     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1965                              gtk_label_new(vc->label));
1966 
1967     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1968 
1969     return group;
1970 }
1971 
1972 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1973                         GtkWidget *view_menu)
1974 {
1975     int i;
1976 
1977     for (i = 0; i < nb_vcs; i++) {
1978         VirtualConsole *vc = &s->vc[s->nb_vcs];
1979         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1980         s->nb_vcs++;
1981     }
1982 }
1983 #endif /* CONFIG_VTE */
1984 
1985 /** Window Creation **/
1986 
1987 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1988 {
1989     g_signal_connect(vc->gfx.drawing_area, "draw",
1990                      G_CALLBACK(gd_draw_event), vc);
1991 #if defined(CONFIG_OPENGL)
1992     if (gtk_use_gl_area) {
1993         /* wire up GtkGlArea events */
1994         g_signal_connect(vc->gfx.drawing_area, "render",
1995                          G_CALLBACK(gd_render_event), vc);
1996         g_signal_connect(vc->gfx.drawing_area, "resize",
1997                          G_CALLBACK(gd_resize_event), vc);
1998     }
1999 #endif
2000     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
2001         g_signal_connect(vc->gfx.drawing_area, "event",
2002                          G_CALLBACK(gd_event), vc);
2003         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
2004                          G_CALLBACK(gd_button_event), vc);
2005         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
2006                          G_CALLBACK(gd_button_event), vc);
2007         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
2008                          G_CALLBACK(gd_scroll_event), vc);
2009         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2010                          G_CALLBACK(gd_key_event), vc);
2011         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
2012                          G_CALLBACK(gd_key_event), vc);
2013         g_signal_connect(vc->gfx.drawing_area, "touch-event",
2014                          G_CALLBACK(gd_touch_event), vc);
2015 
2016         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
2017                          G_CALLBACK(gd_enter_event), vc);
2018         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
2019                          G_CALLBACK(gd_leave_event), vc);
2020         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
2021                          G_CALLBACK(gd_focus_in_event), vc);
2022         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
2023                          G_CALLBACK(gd_focus_out_event), vc);
2024         g_signal_connect(vc->gfx.drawing_area, "configure-event",
2025                          G_CALLBACK(gd_configure), vc);
2026         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
2027                          G_CALLBACK(gd_grab_broken_event), vc);
2028     } else {
2029         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2030                          G_CALLBACK(gd_text_key_down), vc);
2031     }
2032 }
2033 
2034 static void gd_connect_signals(GtkDisplayState *s)
2035 {
2036     g_signal_connect(s->show_tabs_item, "activate",
2037                      G_CALLBACK(gd_menu_show_tabs), s);
2038     g_signal_connect(s->untabify_item, "activate",
2039                      G_CALLBACK(gd_menu_untabify), s);
2040     g_signal_connect(s->show_menubar_item, "activate",
2041                      G_CALLBACK(gd_menu_show_menubar), s);
2042 
2043     g_signal_connect(s->window, "delete-event",
2044                      G_CALLBACK(gd_window_close), s);
2045 
2046     g_signal_connect(s->pause_item, "activate",
2047                      G_CALLBACK(gd_menu_pause), s);
2048     g_signal_connect(s->reset_item, "activate",
2049                      G_CALLBACK(gd_menu_reset), s);
2050     g_signal_connect(s->powerdown_item, "activate",
2051                      G_CALLBACK(gd_menu_powerdown), s);
2052     g_signal_connect(s->quit_item, "activate",
2053                      G_CALLBACK(gd_menu_quit), s);
2054 #if defined(CONFIG_VTE)
2055     g_signal_connect(s->copy_item, "activate",
2056                      G_CALLBACK(gd_menu_copy), s);
2057 #endif
2058     g_signal_connect(s->full_screen_item, "activate",
2059                      G_CALLBACK(gd_menu_full_screen), s);
2060     g_signal_connect(s->zoom_in_item, "activate",
2061                      G_CALLBACK(gd_menu_zoom_in), s);
2062     g_signal_connect(s->zoom_out_item, "activate",
2063                      G_CALLBACK(gd_menu_zoom_out), s);
2064     g_signal_connect(s->zoom_fixed_item, "activate",
2065                      G_CALLBACK(gd_menu_zoom_fixed), s);
2066     g_signal_connect(s->zoom_fit_item, "activate",
2067                      G_CALLBACK(gd_menu_zoom_fit), s);
2068     g_signal_connect(s->grab_item, "activate",
2069                      G_CALLBACK(gd_menu_grab_input), s);
2070     g_signal_connect(s->notebook, "switch-page",
2071                      G_CALLBACK(gd_change_page), s);
2072 }
2073 
2074 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2075 {
2076     GtkWidget *machine_menu;
2077     GtkWidget *separator;
2078 
2079     machine_menu = gtk_menu_new();
2080     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2081 
2082     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2083     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2084 
2085     separator = gtk_separator_menu_item_new();
2086     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2087 
2088     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2089     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2090 
2091     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2092     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2093 
2094     separator = gtk_separator_menu_item_new();
2095     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2096 
2097     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2098     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2099                                  "<QEMU>/Machine/Quit");
2100     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2101                             GDK_KEY_q, HOTKEY_MODIFIERS);
2102     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2103 
2104     return machine_menu;
2105 }
2106 
2107 #if defined(CONFIG_OPENGL)
2108 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2109 {
2110     gtk_gl_area_make_current(area);
2111     qemu_egl_display = eglGetCurrentDisplay();
2112     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2113     if (!vc->gfx.has_dmabuf) {
2114         error_report("GtkGLArea console lacks DMABUF support.");
2115     }
2116 }
2117 #endif
2118 
2119 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2120                               QemuConsole *con, int idx,
2121                               GSList *group, GtkWidget *view_menu)
2122 {
2123     bool zoom_to_fit = false;
2124     int i;
2125 
2126     vc->label = qemu_console_get_label(con);
2127     vc->s = s;
2128     vc->gfx.scale_x = 1.0;
2129     vc->gfx.scale_y = 1.0;
2130 
2131 #if defined(CONFIG_OPENGL)
2132     if (display_opengl) {
2133         if (gtk_use_gl_area) {
2134             vc->gfx.drawing_area = gtk_gl_area_new();
2135             g_signal_connect(vc->gfx.drawing_area, "realize",
2136                              G_CALLBACK(gl_area_realize), vc);
2137             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2138             vc->gfx.dgc.ops = &gl_area_ctx_ops;
2139         } else {
2140 #ifdef CONFIG_X11
2141             vc->gfx.drawing_area = gtk_drawing_area_new();
2142             /*
2143              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2144              * It is required for opengl rendering on X11 though.  A
2145              * proper replacement (native opengl support) is only
2146              * available in 3.16+.  Silence the warning if possible.
2147              */
2148 #pragma GCC diagnostic push
2149 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2150             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2151 #pragma GCC diagnostic pop
2152             vc->gfx.dcl.ops = &dcl_egl_ops;
2153             vc->gfx.dgc.ops = &egl_ctx_ops;
2154             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2155 #else
2156             abort();
2157 #endif
2158         }
2159     } else
2160 #endif
2161     {
2162         vc->gfx.drawing_area = gtk_drawing_area_new();
2163         vc->gfx.dcl.ops = &dcl_ops;
2164     }
2165 
2166 
2167     gtk_widget_add_events(vc->gfx.drawing_area,
2168                           GDK_POINTER_MOTION_MASK |
2169                           GDK_BUTTON_PRESS_MASK |
2170                           GDK_BUTTON_RELEASE_MASK |
2171                           GDK_BUTTON_MOTION_MASK |
2172                           GDK_TOUCH_MASK |
2173                           GDK_ENTER_NOTIFY_MASK |
2174                           GDK_LEAVE_NOTIFY_MASK |
2175                           GDK_SCROLL_MASK |
2176                           GDK_SMOOTH_SCROLL_MASK |
2177                           GDK_KEY_PRESS_MASK);
2178     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2179 
2180     vc->type = GD_VC_GFX;
2181     vc->tab_item = vc->gfx.drawing_area;
2182     vc->focus = vc->gfx.drawing_area;
2183     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2184                              vc->tab_item, gtk_label_new(vc->label));
2185 
2186     vc->gfx.kbd = qkbd_state_init(con);
2187     vc->gfx.dcl.con = con;
2188 
2189     if (display_opengl) {
2190         qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2191     }
2192     register_displaychangelistener(&vc->gfx.dcl);
2193 
2194     gd_connect_vc_gfx_signals(vc);
2195     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2196 
2197     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2198         zoom_to_fit = true;
2199     }
2200     if (s->opts->u.gtk.has_zoom_to_fit) {
2201         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2202     }
2203     if (zoom_to_fit) {
2204         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2205         s->free_scale = true;
2206     }
2207 
2208     for (i = 0; i < INPUT_EVENT_SLOTS_MAX; i++) {
2209         struct touch_slot *slot = &touch_slots[i];
2210         slot->tracking_id = -1;
2211     }
2212 
2213     return group;
2214 }
2215 
2216 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, DisplayOptions *opts)
2217 {
2218     GSList *group = NULL;
2219     GtkWidget *view_menu;
2220     GtkWidget *separator;
2221     QemuConsole *con;
2222     int vc;
2223 
2224     view_menu = gtk_menu_new();
2225     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2226 
2227     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2228 
2229 #if defined(CONFIG_VTE)
2230     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2231     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2232 #endif
2233 
2234     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2235             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2236     gtk_accel_label_set_accel(
2237             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2238             GDK_KEY_f, HOTKEY_MODIFIERS);
2239     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2240 
2241     separator = gtk_separator_menu_item_new();
2242     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2243 
2244     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2245     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2246                                  "<QEMU>/View/Zoom In");
2247     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2248                             HOTKEY_MODIFIERS);
2249     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2250             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2251     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2252 
2253     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2254     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2255                                  "<QEMU>/View/Zoom Out");
2256     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2257                             HOTKEY_MODIFIERS);
2258     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2259 
2260     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2261     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2262                                  "<QEMU>/View/Zoom Fixed");
2263     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2264                             HOTKEY_MODIFIERS);
2265     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2266 
2267     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2268     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2269 
2270     separator = gtk_separator_menu_item_new();
2271     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2272 
2273     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2274     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2275 
2276     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2277     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2278                                  "<QEMU>/View/Grab Input");
2279     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2280                             HOTKEY_MODIFIERS);
2281     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2282 
2283     separator = gtk_separator_menu_item_new();
2284     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2285 
2286     /* gfx */
2287     for (vc = 0;; vc++) {
2288         con = qemu_console_lookup_by_index(vc);
2289         if (!con) {
2290             break;
2291         }
2292         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2293                                vc, group, view_menu);
2294         s->nb_vcs++;
2295     }
2296 
2297 #if defined(CONFIG_VTE)
2298     /* vte */
2299     gd_vcs_init(s, group, view_menu);
2300 #endif
2301 
2302     separator = gtk_separator_menu_item_new();
2303     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2304 
2305     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2306     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2307 
2308     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2309     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2310 
2311     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2312             _("Show Menubar"));
2313     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2314                                    !opts->u.gtk.has_show_menubar ||
2315                                    opts->u.gtk.show_menubar);
2316     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2317             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2318     gtk_accel_label_set_accel(
2319             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2320             GDK_KEY_m, HOTKEY_MODIFIERS);
2321     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2322 
2323     return view_menu;
2324 }
2325 
2326 static void gd_create_menus(GtkDisplayState *s, DisplayOptions *opts)
2327 {
2328     GtkSettings *settings;
2329 
2330     s->accel_group = gtk_accel_group_new();
2331     s->machine_menu = gd_create_menu_machine(s);
2332     s->view_menu = gd_create_menu_view(s, opts);
2333 
2334     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2335     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2336                               s->machine_menu);
2337     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2338 
2339     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2340     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2341     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2342 
2343     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2344     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2345 
2346     /* Disable the default "F10" menu shortcut. */
2347     settings = gtk_widget_get_settings(s->window);
2348     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2349 }
2350 
2351 
2352 static gboolean gtkinit;
2353 
2354 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2355 {
2356     VirtualConsole *vc;
2357 
2358     GtkDisplayState *s = g_malloc0(sizeof(*s));
2359     GdkDisplay *window_display;
2360     GtkIconTheme *theme;
2361     char *dir;
2362 
2363     if (!gtkinit) {
2364         fprintf(stderr, "gtk initialization failed\n");
2365         exit(1);
2366     }
2367     assert(opts->type == DISPLAY_TYPE_GTK);
2368     s->opts = opts;
2369 
2370     theme = gtk_icon_theme_get_default();
2371     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2372     gtk_icon_theme_prepend_search_path(theme, dir);
2373     g_free(dir);
2374     g_set_prgname("qemu");
2375 
2376     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2377     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2378     s->notebook = gtk_notebook_new();
2379     s->menu_bar = gtk_menu_bar_new();
2380 
2381     s->free_scale = FALSE;
2382 
2383     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2384      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2385      * printable, but without changing any of the character classes to make
2386      * sure that we don't accidentally break implicit assumptions.  */
2387     setlocale(LC_MESSAGES, "");
2388     setlocale(LC_CTYPE, "C.UTF-8");
2389     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2390     bindtextdomain("qemu", dir);
2391     g_free(dir);
2392     bind_textdomain_codeset("qemu", "UTF-8");
2393     textdomain("qemu");
2394 
2395     window_display = gtk_widget_get_display(s->window);
2396     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2397         s->null_cursor = NULL; /* default pointer */
2398     } else {
2399         s->null_cursor = gdk_cursor_new_for_display(window_display,
2400                                                     GDK_BLANK_CURSOR);
2401     }
2402 
2403     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2404     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2405     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2406 
2407     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2408 
2409     gd_create_menus(s, opts);
2410 
2411     gd_connect_signals(s);
2412 
2413     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2414     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2415 
2416     gd_update_caption(s);
2417 
2418     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2419     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2420 
2421     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2422 
2423     gtk_widget_show_all(s->window);
2424     if (opts->u.gtk.has_show_menubar &&
2425         !opts->u.gtk.show_menubar) {
2426         gtk_widget_hide(s->menu_bar);
2427     }
2428 
2429     vc = gd_vc_find_current(s);
2430     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2431 #ifdef CONFIG_VTE
2432     gtk_widget_set_sensitive(s->copy_item,
2433                              vc && vc->type == GD_VC_VTE);
2434 #endif
2435 
2436     if (opts->has_full_screen &&
2437         opts->full_screen) {
2438         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2439     }
2440     if (opts->u.gtk.has_grab_on_hover &&
2441         opts->u.gtk.grab_on_hover) {
2442         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2443     }
2444     if (opts->u.gtk.has_show_tabs &&
2445         opts->u.gtk.show_tabs) {
2446         gtk_menu_item_activate(GTK_MENU_ITEM(s->show_tabs_item));
2447     }
2448 #ifdef CONFIG_GTK_CLIPBOARD
2449     gd_clipboard_init(s);
2450 #endif /* CONFIG_GTK_CLIPBOARD */
2451 }
2452 
2453 static void early_gtk_display_init(DisplayOptions *opts)
2454 {
2455     /* The QEMU code relies on the assumption that it's always run in
2456      * the C locale. Therefore it is not prepared to deal with
2457      * operations that produce different results depending on the
2458      * locale, such as printf's formatting of decimal numbers, and
2459      * possibly others.
2460      *
2461      * Since GTK+ calls setlocale() by default -importing the locale
2462      * settings from the environment- we must prevent it from doing so
2463      * using gtk_disable_setlocale().
2464      *
2465      * QEMU's GTK+ UI, however, _does_ have translations for some of
2466      * the menu items. As a trade-off between a functionally correct
2467      * QEMU and a fully internationalized UI we support importing
2468      * LC_MESSAGES from the environment (see the setlocale() call
2469      * earlier in this file). This allows us to display translated
2470      * messages leaving everything else untouched.
2471      */
2472     gtk_disable_setlocale();
2473     gtkinit = gtk_init_check(NULL, NULL);
2474     if (!gtkinit) {
2475         /* don't exit yet, that'll break -help */
2476         return;
2477     }
2478 
2479     assert(opts->type == DISPLAY_TYPE_GTK);
2480     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2481 #if defined(CONFIG_OPENGL)
2482 #if defined(GDK_WINDOWING_WAYLAND)
2483         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2484             gtk_use_gl_area = true;
2485             gtk_gl_area_init();
2486         } else
2487 #endif
2488 #if defined(GDK_WINDOWING_WIN32)
2489         if (GDK_IS_WIN32_DISPLAY(gdk_display_get_default())) {
2490             gtk_use_gl_area = true;
2491             gtk_gl_area_init();
2492         } else
2493 #endif
2494         {
2495 #ifdef CONFIG_X11
2496             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2497             gtk_egl_init(mode);
2498 #endif
2499         }
2500 #endif
2501     }
2502 
2503     keycode_map = gd_get_keymap(&keycode_maplen);
2504 
2505 #if defined(CONFIG_VTE)
2506     type_register(&char_gd_vc_type_info);
2507 #endif
2508 }
2509 
2510 static QemuDisplay qemu_display_gtk = {
2511     .type       = DISPLAY_TYPE_GTK,
2512     .early_init = early_gtk_display_init,
2513     .init       = gtk_display_init,
2514 };
2515 
2516 static void register_gtk(void)
2517 {
2518     qemu_display_register(&qemu_display_gtk);
2519 }
2520 
2521 type_init(register_gtk);
2522 
2523 #ifdef CONFIG_OPENGL
2524 module_dep("ui-opengl");
2525 #endif
2526