xref: /openbmc/qemu/ui/gtk.c (revision edcc4e40)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
21  *
22  * Portions from gtk-vnc (originally licensed under the LGPL v2+):
23  *
24  * GTK VNC Widget
25  *
26  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
27  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
28  */
29 
30 #define GETTEXT_PACKAGE "qemu"
31 #define LOCALEDIR "po"
32 
33 #include "qemu/osdep.h"
34 #include "qapi/error.h"
35 #include "qapi/qapi-commands-control.h"
36 #include "qapi/qapi-commands-machine.h"
37 #include "qapi/qapi-commands-misc.h"
38 #include "qemu/cutils.h"
39 #include "qemu/main-loop.h"
40 
41 #include "ui/console.h"
42 #include "ui/gtk.h"
43 #ifdef G_OS_WIN32
44 #include <gdk/gdkwin32.h>
45 #endif
46 #include "ui/win32-kbd-hook.h"
47 
48 #include <glib/gi18n.h>
49 #include <locale.h>
50 #if defined(CONFIG_VTE)
51 #include <vte/vte.h>
52 #endif
53 #include <math.h>
54 
55 #include "trace.h"
56 #include "qemu/cutils.h"
57 #include "ui/input.h"
58 #include "sysemu/runstate.h"
59 #include "sysemu/sysemu.h"
60 #include "keymaps.h"
61 #include "chardev/char.h"
62 #include "qom/object.h"
63 
64 #define VC_WINDOW_X_MIN  320
65 #define VC_WINDOW_Y_MIN  240
66 #define VC_TERM_X_MIN     80
67 #define VC_TERM_Y_MIN     25
68 #define VC_SCALE_MIN    0.25
69 #define VC_SCALE_STEP   0.25
70 
71 #ifdef GDK_WINDOWING_X11
72 #include "x_keymap.h"
73 
74 /* Gtk2 compat */
75 #ifndef GDK_IS_X11_DISPLAY
76 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
77 #endif
78 #endif
79 
80 
81 #ifdef GDK_WINDOWING_WAYLAND
82 /* Gtk2 compat */
83 #ifndef GDK_IS_WAYLAND_DISPLAY
84 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
85 #endif
86 #endif
87 
88 
89 #ifdef GDK_WINDOWING_WIN32
90 /* Gtk2 compat */
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
93 #endif
94 #endif
95 
96 
97 #ifdef GDK_WINDOWING_BROADWAY
98 /* Gtk2 compat */
99 #ifndef GDK_IS_BROADWAY_DISPLAY
100 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
101 #endif
102 #endif
103 
104 
105 #ifdef GDK_WINDOWING_QUARTZ
106 /* Gtk2 compat */
107 #ifndef GDK_IS_QUARTZ_DISPLAY
108 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
109 #endif
110 #endif
111 
112 
113 #if !defined(CONFIG_VTE)
114 # define VTE_CHECK_VERSION(a, b, c) 0
115 #endif
116 
117 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
118 
119 static const guint16 *keycode_map;
120 static size_t keycode_maplen;
121 
122 struct VCChardev {
123     Chardev parent;
124     VirtualConsole *console;
125     bool echo;
126 };
127 typedef struct VCChardev VCChardev;
128 
129 #define TYPE_CHARDEV_VC "chardev-vc"
130 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
131                          TYPE_CHARDEV_VC)
132 
133 bool gtk_use_gl_area;
134 
135 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
136 static void gd_ungrab_pointer(GtkDisplayState *s);
137 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
138 static void gd_ungrab_keyboard(GtkDisplayState *s);
139 
140 /** Utility Functions **/
141 
142 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
143 {
144     VirtualConsole *vc;
145     gint i;
146 
147     for (i = 0; i < s->nb_vcs; i++) {
148         vc = &s->vc[i];
149         if (gtk_check_menu_item_get_active
150             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
151             return vc;
152         }
153     }
154     return NULL;
155 }
156 
157 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
158 {
159     VirtualConsole *vc;
160     gint i, p;
161 
162     for (i = 0; i < s->nb_vcs; i++) {
163         vc = &s->vc[i];
164         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
165         if (p == page) {
166             return vc;
167         }
168     }
169     return NULL;
170 }
171 
172 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
173 {
174     gint page;
175 
176     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
177     return gd_vc_find_by_page(s, page);
178 }
179 
180 static bool gd_is_grab_active(GtkDisplayState *s)
181 {
182     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
183 }
184 
185 static bool gd_grab_on_hover(GtkDisplayState *s)
186 {
187     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
188 }
189 
190 static void gd_update_cursor(VirtualConsole *vc)
191 {
192     GtkDisplayState *s = vc->s;
193     GdkWindow *window;
194 
195     if (vc->type != GD_VC_GFX ||
196         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
197         return;
198     }
199 
200     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
201         return;
202     }
203 
204     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
205     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
206         gdk_window_set_cursor(window, s->null_cursor);
207     } else {
208         gdk_window_set_cursor(window, NULL);
209     }
210 }
211 
212 static void gd_update_caption(GtkDisplayState *s)
213 {
214     const char *status = "";
215     gchar *prefix;
216     gchar *title;
217     const char *grab = "";
218     bool is_paused = !runstate_is_running();
219     int i;
220 
221     if (qemu_name) {
222         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
223     } else {
224         prefix = g_strdup_printf("QEMU");
225     }
226 
227     if (s->ptr_owner != NULL &&
228         s->ptr_owner->window == NULL) {
229         grab = _(" - Press Ctrl+Alt+G to release grab");
230     }
231 
232     if (is_paused) {
233         status = _(" [Paused]");
234     }
235     s->external_pause_update = true;
236     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
237                                    is_paused);
238     s->external_pause_update = false;
239 
240     title = g_strdup_printf("%s%s%s", prefix, status, grab);
241     gtk_window_set_title(GTK_WINDOW(s->window), title);
242     g_free(title);
243 
244     for (i = 0; i < s->nb_vcs; i++) {
245         VirtualConsole *vc = &s->vc[i];
246 
247         if (!vc->window) {
248             continue;
249         }
250         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
251                                 vc == s->kbd_owner ? " +kbd" : "",
252                                 vc == s->ptr_owner ? " +ptr" : "");
253         gtk_window_set_title(GTK_WINDOW(vc->window), title);
254         g_free(title);
255     }
256 
257     g_free(prefix);
258 }
259 
260 static void gd_update_geometry_hints(VirtualConsole *vc)
261 {
262     GtkDisplayState *s = vc->s;
263     GdkWindowHints mask = 0;
264     GdkGeometry geo = {};
265     GtkWidget *geo_widget = NULL;
266     GtkWindow *geo_window;
267 
268     if (vc->type == GD_VC_GFX) {
269         if (!vc->gfx.ds) {
270             return;
271         }
272         if (s->free_scale) {
273             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
274             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
275             mask |= GDK_HINT_MIN_SIZE;
276         } else {
277             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
278             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
279             mask |= GDK_HINT_MIN_SIZE;
280         }
281         geo_widget = vc->gfx.drawing_area;
282         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
283 
284 #if defined(CONFIG_VTE)
285     } else if (vc->type == GD_VC_VTE) {
286         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
287         GtkBorder padding = { 0 };
288 
289 #if VTE_CHECK_VERSION(0, 37, 0)
290         gtk_style_context_get_padding(
291                 gtk_widget_get_style_context(vc->vte.terminal),
292                 gtk_widget_get_state_flags(vc->vte.terminal),
293                 &padding);
294 #else
295         {
296             GtkBorder *ib = NULL;
297             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
298             if (ib) {
299                 padding = *ib;
300                 gtk_border_free(ib);
301             }
302         }
303 #endif
304 
305         geo.width_inc  = vte_terminal_get_char_width(term);
306         geo.height_inc = vte_terminal_get_char_height(term);
307         mask |= GDK_HINT_RESIZE_INC;
308         geo.base_width  = geo.width_inc;
309         geo.base_height = geo.height_inc;
310         mask |= GDK_HINT_BASE_SIZE;
311         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
312         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
313         mask |= GDK_HINT_MIN_SIZE;
314 
315         geo.base_width  += padding.left + padding.right;
316         geo.base_height += padding.top + padding.bottom;
317         geo.min_width   += padding.left + padding.right;
318         geo.min_height  += padding.top + padding.bottom;
319         geo_widget = vc->vte.terminal;
320 #endif
321     }
322 
323     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
324     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
325 }
326 
327 void gd_update_windowsize(VirtualConsole *vc)
328 {
329     GtkDisplayState *s = vc->s;
330 
331     gd_update_geometry_hints(vc);
332 
333     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
334         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
335                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
336     }
337 }
338 
339 static void gd_update_full_redraw(VirtualConsole *vc)
340 {
341     GtkWidget *area = vc->gfx.drawing_area;
342     int ww, wh;
343     ww = gdk_window_get_width(gtk_widget_get_window(area));
344     wh = gdk_window_get_height(gtk_widget_get_window(area));
345 #if defined(CONFIG_OPENGL)
346     if (vc->gfx.gls && gtk_use_gl_area) {
347         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
348         return;
349     }
350 #endif
351     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
352 }
353 
354 static void gtk_release_modifiers(GtkDisplayState *s)
355 {
356     VirtualConsole *vc = gd_vc_find_current(s);
357 
358     if (vc->type != GD_VC_GFX ||
359         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
360         return;
361     }
362     qkbd_state_lift_all_keys(vc->gfx.kbd);
363 }
364 
365 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
366                                GtkWidget *widget)
367 {
368     g_object_ref(G_OBJECT(widget));
369     gtk_container_remove(GTK_CONTAINER(from), widget);
370     gtk_container_add(GTK_CONTAINER(to), widget);
371     g_object_unref(G_OBJECT(widget));
372 }
373 
374 static void *gd_win32_get_hwnd(VirtualConsole *vc)
375 {
376 #ifdef G_OS_WIN32
377     return gdk_win32_window_get_impl_hwnd(
378         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
379 #else
380     return NULL;
381 #endif
382 }
383 
384 /** DisplayState Callbacks **/
385 
386 static void gd_update(DisplayChangeListener *dcl,
387                       int x, int y, int w, int h)
388 {
389     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
390     GdkWindow *win;
391     int x1, x2, y1, y2;
392     int mx, my;
393     int fbw, fbh;
394     int ww, wh;
395 
396     trace_gd_update(vc->label, x, y, w, h);
397 
398     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
399         return;
400     }
401 
402     if (vc->gfx.convert) {
403         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
404                                NULL, vc->gfx.convert,
405                                x, y, 0, 0, x, y, w, h);
406     }
407 
408     x1 = floor(x * vc->gfx.scale_x);
409     y1 = floor(y * vc->gfx.scale_y);
410 
411     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
412     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
413 
414     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
415     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
416 
417     win = gtk_widget_get_window(vc->gfx.drawing_area);
418     if (!win) {
419         return;
420     }
421     ww = gdk_window_get_width(win);
422     wh = gdk_window_get_height(win);
423 
424     mx = my = 0;
425     if (ww > fbw) {
426         mx = (ww - fbw) / 2;
427     }
428     if (wh > fbh) {
429         my = (wh - fbh) / 2;
430     }
431 
432     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
433                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
434 }
435 
436 static void gd_refresh(DisplayChangeListener *dcl)
437 {
438     graphic_hw_update(dcl->con);
439 }
440 
441 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
442 {
443     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
444 }
445 
446 static void gd_mouse_set(DisplayChangeListener *dcl,
447                          int x, int y, int visible)
448 {
449     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
450     GdkDisplay *dpy;
451     gint x_root, y_root;
452 
453     if (qemu_input_is_absolute()) {
454         return;
455     }
456 
457     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
458     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
459                                x, y, &x_root, &y_root);
460     gdk_device_warp(gd_get_pointer(dpy),
461                     gtk_widget_get_screen(vc->gfx.drawing_area),
462                     x_root, y_root);
463     vc->s->last_x = x;
464     vc->s->last_y = y;
465 }
466 
467 static void gd_cursor_define(DisplayChangeListener *dcl,
468                              QEMUCursor *c)
469 {
470     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
471     GdkPixbuf *pixbuf;
472     GdkCursor *cursor;
473 
474     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
475         return;
476     }
477 
478     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
479                                       GDK_COLORSPACE_RGB, true, 8,
480                                       c->width, c->height, c->width * 4,
481                                       NULL, NULL);
482     cursor = gdk_cursor_new_from_pixbuf
483         (gtk_widget_get_display(vc->gfx.drawing_area),
484          pixbuf, c->hot_x, c->hot_y);
485     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
486     g_object_unref(pixbuf);
487     g_object_unref(cursor);
488 }
489 
490 static void gd_switch(DisplayChangeListener *dcl,
491                       DisplaySurface *surface)
492 {
493     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
494     bool resized = true;
495 
496     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
497 
498     if (vc->gfx.surface) {
499         cairo_surface_destroy(vc->gfx.surface);
500         vc->gfx.surface = NULL;
501     }
502     if (vc->gfx.convert) {
503         pixman_image_unref(vc->gfx.convert);
504         vc->gfx.convert = NULL;
505     }
506 
507     if (vc->gfx.ds &&
508         surface_width(vc->gfx.ds) == surface_width(surface) &&
509         surface_height(vc->gfx.ds) == surface_height(surface)) {
510         resized = false;
511     }
512     vc->gfx.ds = surface;
513 
514     if (surface->format == PIXMAN_x8r8g8b8) {
515         /*
516          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
517          *
518          * No need to convert, use surface directly.  Should be the
519          * common case as this is qemu_default_pixelformat(32) too.
520          */
521         vc->gfx.surface = cairo_image_surface_create_for_data
522             (surface_data(surface),
523              CAIRO_FORMAT_RGB24,
524              surface_width(surface),
525              surface_height(surface),
526              surface_stride(surface));
527     } else {
528         /* Must convert surface, use pixman to do it. */
529         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
530                                                    surface_width(surface),
531                                                    surface_height(surface),
532                                                    NULL, 0);
533         vc->gfx.surface = cairo_image_surface_create_for_data
534             ((void *)pixman_image_get_data(vc->gfx.convert),
535              CAIRO_FORMAT_RGB24,
536              pixman_image_get_width(vc->gfx.convert),
537              pixman_image_get_height(vc->gfx.convert),
538              pixman_image_get_stride(vc->gfx.convert));
539         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
540                                NULL, vc->gfx.convert,
541                                0, 0, 0, 0, 0, 0,
542                                pixman_image_get_width(vc->gfx.convert),
543                                pixman_image_get_height(vc->gfx.convert));
544     }
545 
546     if (resized) {
547         gd_update_windowsize(vc);
548     } else {
549         gd_update_full_redraw(vc);
550     }
551 }
552 
553 static const DisplayChangeListenerOps dcl_ops = {
554     .dpy_name             = "gtk",
555     .dpy_gfx_update       = gd_update,
556     .dpy_gfx_switch       = gd_switch,
557     .dpy_gfx_check_format = qemu_pixman_check_format,
558     .dpy_refresh          = gd_refresh,
559     .dpy_mouse_set        = gd_mouse_set,
560     .dpy_cursor_define    = gd_cursor_define,
561 };
562 
563 
564 #if defined(CONFIG_OPENGL)
565 
566 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
567 {
568     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
569 
570     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
571         /* FIXME: Assume it will work, actual check done after realize */
572         /* fixing this would require delaying listener registration */
573         return true;
574     }
575 
576     return vc->gfx.has_dmabuf;
577 }
578 
579 static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
580                                  QemuDmaBuf *dmabuf)
581 {
582 #ifdef CONFIG_GBM
583     egl_dmabuf_release_texture(dmabuf);
584 #endif
585 }
586 
587 void gd_hw_gl_flushed(void *vcon)
588 {
589     VirtualConsole *vc = vcon;
590     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
591 
592     graphic_hw_gl_block(vc->gfx.dcl.con, false);
593     graphic_hw_gl_flushed(vc->gfx.dcl.con);
594     qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
595     close(dmabuf->fence_fd);
596     dmabuf->fence_fd = -1;
597 }
598 
599 /** DisplayState Callbacks (opengl version) **/
600 
601 static const DisplayChangeListenerOps dcl_gl_area_ops = {
602     .dpy_name             = "gtk-egl",
603     .dpy_gfx_update       = gd_gl_area_update,
604     .dpy_gfx_switch       = gd_gl_area_switch,
605     .dpy_gfx_check_format = console_gl_check_format,
606     .dpy_refresh          = gd_gl_area_refresh,
607     .dpy_mouse_set        = gd_mouse_set,
608     .dpy_cursor_define    = gd_cursor_define,
609 
610     .dpy_gl_ctx_create       = gd_gl_area_create_context,
611     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
612     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
613     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
614     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
615     .dpy_gl_update           = gd_gl_area_scanout_flush,
616     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
617     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
618     .dpy_has_dmabuf          = gd_has_dmabuf,
619 };
620 
621 #ifdef CONFIG_X11
622 
623 static const DisplayChangeListenerOps dcl_egl_ops = {
624     .dpy_name             = "gtk-egl",
625     .dpy_gfx_update       = gd_egl_update,
626     .dpy_gfx_switch       = gd_egl_switch,
627     .dpy_gfx_check_format = console_gl_check_format,
628     .dpy_refresh          = gd_egl_refresh,
629     .dpy_mouse_set        = gd_mouse_set,
630     .dpy_cursor_define    = gd_cursor_define,
631 
632     .dpy_gl_ctx_create       = gd_egl_create_context,
633     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
634     .dpy_gl_ctx_make_current = gd_egl_make_current,
635     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
636     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
637     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
638     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
639     .dpy_gl_cursor_position  = gd_egl_cursor_position,
640     .dpy_gl_update           = gd_egl_flush,
641     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
642     .dpy_has_dmabuf          = gd_has_dmabuf,
643 };
644 
645 #endif
646 
647 #endif /* CONFIG_OPENGL */
648 
649 /** QEMU Events **/
650 
651 static void gd_change_runstate(void *opaque, bool running, RunState state)
652 {
653     GtkDisplayState *s = opaque;
654 
655     gd_update_caption(s);
656 }
657 
658 static void gd_mouse_mode_change(Notifier *notify, void *data)
659 {
660     GtkDisplayState *s;
661     int i;
662 
663     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
664     /* release the grab at switching to absolute mode */
665     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
666         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
667                                        FALSE);
668     }
669     for (i = 0; i < s->nb_vcs; i++) {
670         VirtualConsole *vc = &s->vc[i];
671         gd_update_cursor(vc);
672     }
673 }
674 
675 /** GTK Events **/
676 
677 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
678                                 void *opaque)
679 {
680     GtkDisplayState *s = opaque;
681     bool allow_close = true;
682 
683     if (s->opts->has_window_close && !s->opts->window_close) {
684         allow_close = false;
685     }
686 
687     if (allow_close) {
688         qmp_quit(NULL);
689     }
690 
691     return TRUE;
692 }
693 
694 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
695 {
696     QemuUIInfo info;
697 
698     memset(&info, 0, sizeof(info));
699     info.width = width;
700     info.height = height;
701     dpy_set_ui_info(vc->gfx.dcl.con, &info);
702 }
703 
704 #if defined(CONFIG_OPENGL)
705 
706 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
707                                 void *opaque)
708 {
709     VirtualConsole *vc = opaque;
710 
711     if (vc->gfx.gls) {
712         gd_gl_area_draw(vc);
713     }
714     return TRUE;
715 }
716 
717 static void gd_resize_event(GtkGLArea *area,
718                             gint width, gint height, gpointer *opaque)
719 {
720     VirtualConsole *vc = (void *)opaque;
721 
722     gd_set_ui_info(vc, width, height);
723 }
724 
725 #endif
726 
727 /*
728  * If available, return the update interval of the monitor in ms,
729  * else return 0 (the default update interval).
730  */
731 int gd_monitor_update_interval(GtkWidget *widget)
732 {
733 #ifdef GDK_VERSION_3_22
734     GdkWindow *win = gtk_widget_get_window(widget);
735 
736     if (win) {
737         GdkDisplay *dpy = gtk_widget_get_display(widget);
738         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
739         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
740 
741         if (refresh_rate) {
742             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
743             return MIN(1000 * 1000 / refresh_rate,
744                        GUI_REFRESH_INTERVAL_DEFAULT);
745         }
746     }
747 #endif
748     return 0;
749 }
750 
751 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
752 {
753     VirtualConsole *vc = opaque;
754     GtkDisplayState *s = vc->s;
755     int mx, my;
756     int ww, wh;
757     int fbw, fbh;
758 
759 #if defined(CONFIG_OPENGL)
760     if (vc->gfx.gls) {
761         if (gtk_use_gl_area) {
762             /* invoke render callback please */
763             return FALSE;
764         } else {
765 #ifdef CONFIG_X11
766             gd_egl_draw(vc);
767             return TRUE;
768 #else
769             abort();
770 #endif
771         }
772     }
773 #endif
774 
775     if (!gtk_widget_get_realized(widget)) {
776         return FALSE;
777     }
778     if (!vc->gfx.ds) {
779         return FALSE;
780     }
781     if (!vc->gfx.surface) {
782         return FALSE;
783     }
784 
785     vc->gfx.dcl.update_interval =
786         gd_monitor_update_interval(vc->window ? vc->window : s->window);
787 
788     fbw = surface_width(vc->gfx.ds);
789     fbh = surface_height(vc->gfx.ds);
790 
791     ww = gdk_window_get_width(gtk_widget_get_window(widget));
792     wh = gdk_window_get_height(gtk_widget_get_window(widget));
793 
794     if (s->full_screen) {
795         vc->gfx.scale_x = (double)ww / fbw;
796         vc->gfx.scale_y = (double)wh / fbh;
797     } else if (s->free_scale) {
798         double sx, sy;
799 
800         sx = (double)ww / fbw;
801         sy = (double)wh / fbh;
802 
803         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
804     }
805 
806     fbw *= vc->gfx.scale_x;
807     fbh *= vc->gfx.scale_y;
808 
809     mx = my = 0;
810     if (ww > fbw) {
811         mx = (ww - fbw) / 2;
812     }
813     if (wh > fbh) {
814         my = (wh - fbh) / 2;
815     }
816 
817     cairo_rectangle(cr, 0, 0, ww, wh);
818 
819     /* Optionally cut out the inner area where the pixmap
820        will be drawn. This avoids 'flashing' since we're
821        not double-buffering. Note we're using the undocumented
822        behaviour of drawing the rectangle from right to left
823        to cut out the whole */
824     cairo_rectangle(cr, mx + fbw, my,
825                     -1 * fbw, fbh);
826     cairo_fill(cr);
827 
828     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
829     cairo_set_source_surface(cr, vc->gfx.surface,
830                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
831     cairo_paint(cr);
832 
833     return TRUE;
834 }
835 
836 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
837                                 void *opaque)
838 {
839     VirtualConsole *vc = opaque;
840     GtkDisplayState *s = vc->s;
841     int x, y;
842     int mx, my;
843     int fbh, fbw;
844     int ww, wh;
845 
846     if (!vc->gfx.ds) {
847         return TRUE;
848     }
849 
850     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
851     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
852 
853     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
854     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
855 
856     mx = my = 0;
857     if (ww > fbw) {
858         mx = (ww - fbw) / 2;
859     }
860     if (wh > fbh) {
861         my = (wh - fbh) / 2;
862     }
863 
864     x = (motion->x - mx) / vc->gfx.scale_x;
865     y = (motion->y - my) / vc->gfx.scale_y;
866 
867     if (qemu_input_is_absolute()) {
868         if (x < 0 || y < 0 ||
869             x >= surface_width(vc->gfx.ds) ||
870             y >= surface_height(vc->gfx.ds)) {
871             return TRUE;
872         }
873         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
874                              0, surface_width(vc->gfx.ds));
875         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
876                              0, surface_height(vc->gfx.ds));
877         qemu_input_event_sync();
878     } else if (s->last_set && s->ptr_owner == vc) {
879         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
880         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
881         qemu_input_event_sync();
882     }
883     s->last_x = x;
884     s->last_y = y;
885     s->last_set = TRUE;
886 
887     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
888         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
889         GdkDisplay *dpy = gtk_widget_get_display(widget);
890         GdkWindow *win = gtk_widget_get_window(widget);
891         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
892         GdkRectangle geometry;
893 
894         int x = (int)motion->x_root;
895         int y = (int)motion->y_root;
896 
897         gdk_monitor_get_geometry(monitor, &geometry);
898 
899         /* In relative mode check to see if client pointer hit
900          * one of the monitor edges, and if so move it back to the
901          * center of the monitor. This is important because the pointer
902          * in the server doesn't correspond 1-for-1, and so
903          * may still be only half way across the screen. Without
904          * this warp, the server pointer would thus appear to hit
905          * an invisible wall */
906         if (x <= geometry.x || x - geometry.x >= geometry.width - 1 ||
907             y <= geometry.y || y - geometry.y >= geometry.height - 1) {
908             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
909             x = geometry.x + geometry.width / 2;
910             y = geometry.y + geometry.height / 2;
911 
912             gdk_device_warp(dev, screen, x, y);
913             s->last_set = FALSE;
914             return FALSE;
915         }
916     }
917     return TRUE;
918 }
919 
920 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
921                                 void *opaque)
922 {
923     VirtualConsole *vc = opaque;
924     GtkDisplayState *s = vc->s;
925     InputButton btn;
926 
927     /* implicitly grab the input at the first click in the relative mode */
928     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
929         !qemu_input_is_absolute() && s->ptr_owner != vc) {
930         if (!vc->window) {
931             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
932                                            TRUE);
933         } else {
934             gd_grab_pointer(vc, "relative-mode-click");
935         }
936         return TRUE;
937     }
938 
939     if (button->button == 1) {
940         btn = INPUT_BUTTON_LEFT;
941     } else if (button->button == 2) {
942         btn = INPUT_BUTTON_MIDDLE;
943     } else if (button->button == 3) {
944         btn = INPUT_BUTTON_RIGHT;
945     } else if (button->button == 8) {
946         btn = INPUT_BUTTON_SIDE;
947     } else if (button->button == 9) {
948         btn = INPUT_BUTTON_EXTRA;
949     } else {
950         return TRUE;
951     }
952 
953     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
954                          button->type == GDK_BUTTON_PRESS);
955     qemu_input_event_sync();
956     return TRUE;
957 }
958 
959 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
960                                 void *opaque)
961 {
962     VirtualConsole *vc = opaque;
963     InputButton btn;
964 
965     if (scroll->direction == GDK_SCROLL_UP) {
966         btn = INPUT_BUTTON_WHEEL_UP;
967     } else if (scroll->direction == GDK_SCROLL_DOWN) {
968         btn = INPUT_BUTTON_WHEEL_DOWN;
969     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
970         gdouble delta_x, delta_y;
971         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
972                                          &delta_x, &delta_y)) {
973             return TRUE;
974         }
975         if (delta_y == 0) {
976             return TRUE;
977         } else if (delta_y > 0) {
978             btn = INPUT_BUTTON_WHEEL_DOWN;
979         } else {
980             btn = INPUT_BUTTON_WHEEL_UP;
981         }
982     } else {
983         return TRUE;
984     }
985 
986     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
987     qemu_input_event_sync();
988     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
989     qemu_input_event_sync();
990     return TRUE;
991 }
992 
993 
994 static const guint16 *gd_get_keymap(size_t *maplen)
995 {
996     GdkDisplay *dpy = gdk_display_get_default();
997 
998 #ifdef GDK_WINDOWING_X11
999     if (GDK_IS_X11_DISPLAY(dpy)) {
1000         trace_gd_keymap_windowing("x11");
1001         return qemu_xkeymap_mapping_table(
1002             gdk_x11_display_get_xdisplay(dpy), maplen);
1003     }
1004 #endif
1005 
1006 #ifdef GDK_WINDOWING_WAYLAND
1007     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1008         trace_gd_keymap_windowing("wayland");
1009         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1010         return qemu_input_map_xorgevdev_to_qcode;
1011     }
1012 #endif
1013 
1014 #ifdef GDK_WINDOWING_WIN32
1015     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1016         trace_gd_keymap_windowing("win32");
1017         *maplen = qemu_input_map_atset1_to_qcode_len;
1018         return qemu_input_map_atset1_to_qcode;
1019     }
1020 #endif
1021 
1022 #ifdef GDK_WINDOWING_QUARTZ
1023     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1024         trace_gd_keymap_windowing("quartz");
1025         *maplen = qemu_input_map_osx_to_qcode_len;
1026         return qemu_input_map_osx_to_qcode;
1027     }
1028 #endif
1029 
1030 #ifdef GDK_WINDOWING_BROADWAY
1031     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1032         trace_gd_keymap_windowing("broadway");
1033         g_warning("experimental: using broadway, x11 virtual keysym\n"
1034                   "mapping - with very limited support. See also\n"
1035                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1036         *maplen = qemu_input_map_x11_to_qcode_len;
1037         return qemu_input_map_x11_to_qcode;
1038     }
1039 #endif
1040 
1041     g_warning("Unsupported GDK Windowing platform.\n"
1042               "Disabling extended keycode tables.\n"
1043               "Please report to qemu-devel@nongnu.org\n"
1044               "including the following information:\n"
1045               "\n"
1046               "  - Operating system\n"
1047               "  - GDK Windowing system build\n");
1048     return NULL;
1049 }
1050 
1051 
1052 static int gd_map_keycode(int scancode)
1053 {
1054     if (!keycode_map) {
1055         return 0;
1056     }
1057     if (scancode > keycode_maplen) {
1058         return 0;
1059     }
1060 
1061     return keycode_map[scancode];
1062 }
1063 
1064 static int gd_get_keycode(GdkEventKey *key)
1065 {
1066 #ifdef G_OS_WIN32
1067     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1068 
1069     /* translate Windows native scancodes to atset1 keycodes */
1070     switch (scancode & (KF_EXTENDED | 0xff)) {
1071     case 0x145:     /* NUMLOCK */
1072         return scancode & 0xff;
1073     }
1074 
1075     return scancode & KF_EXTENDED ?
1076         0xe000 | (scancode & 0xff) : scancode & 0xff;
1077 
1078 #else
1079     return key->hardware_keycode;
1080 #endif
1081 }
1082 
1083 static gboolean gd_text_key_down(GtkWidget *widget,
1084                                  GdkEventKey *key, void *opaque)
1085 {
1086     VirtualConsole *vc = opaque;
1087     QemuConsole *con = vc->gfx.dcl.con;
1088 
1089     if (key->keyval == GDK_KEY_Delete) {
1090         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1091     } else if (key->length) {
1092         kbd_put_string_console(con, key->string, key->length);
1093     } else {
1094         int qcode = gd_map_keycode(gd_get_keycode(key));
1095         kbd_put_qcode_console(con, qcode, false);
1096     }
1097     return TRUE;
1098 }
1099 
1100 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1101 {
1102     VirtualConsole *vc = opaque;
1103     int keycode, qcode;
1104 
1105 #ifdef G_OS_WIN32
1106     /* on windows, we ought to ignore the reserved key event? */
1107     if (key->hardware_keycode == 0xff)
1108         return false;
1109 
1110     if (!vc->s->kbd_owner) {
1111         if (key->hardware_keycode == VK_LWIN ||
1112             key->hardware_keycode == VK_RWIN) {
1113             return FALSE;
1114         }
1115     }
1116 #endif
1117 
1118     if (key->keyval == GDK_KEY_Pause
1119 #ifdef G_OS_WIN32
1120         /* for some reason GDK does not fill keyval for VK_PAUSE
1121          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1122          */
1123         || key->hardware_keycode == VK_PAUSE
1124 #endif
1125         ) {
1126         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1127                              key->type == GDK_KEY_PRESS);
1128         return TRUE;
1129     }
1130 
1131     keycode = gd_get_keycode(key);
1132     qcode = gd_map_keycode(keycode);
1133 
1134     trace_gd_key_event(vc->label, keycode, qcode,
1135                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1136 
1137     qkbd_state_key_event(vc->gfx.kbd, qcode,
1138                          key->type == GDK_KEY_PRESS);
1139 
1140     return TRUE;
1141 }
1142 
1143 static gboolean gd_grab_broken_event(GtkWidget *widget,
1144                                      GdkEventGrabBroken *event, void *opaque)
1145 {
1146 #ifdef CONFIG_WIN32
1147     /*
1148      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1149      * key combination leaves all three keys in a stuck condition. We use
1150      * the grab-broken-event to release all keys.
1151      */
1152     if (event->keyboard) {
1153         VirtualConsole *vc = opaque;
1154         GtkDisplayState *s = vc->s;
1155 
1156         gtk_release_modifiers(s);
1157     }
1158 #endif
1159     return TRUE;
1160 }
1161 
1162 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1163 {
1164     if (event->type == GDK_MOTION_NOTIFY) {
1165         return gd_motion_event(widget, &event->motion, opaque);
1166     }
1167     return FALSE;
1168 }
1169 
1170 /** Window Menu Actions **/
1171 
1172 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1173 {
1174     GtkDisplayState *s = opaque;
1175 
1176     if (s->external_pause_update) {
1177         return;
1178     }
1179     if (runstate_is_running()) {
1180         qmp_stop(NULL);
1181     } else {
1182         qmp_cont(NULL);
1183     }
1184 }
1185 
1186 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1187 {
1188     qmp_system_reset(NULL);
1189 }
1190 
1191 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1192 {
1193     qmp_system_powerdown(NULL);
1194 }
1195 
1196 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1197 {
1198     qmp_quit(NULL);
1199 }
1200 
1201 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1202 {
1203     GtkDisplayState *s = opaque;
1204     VirtualConsole *vc = gd_vc_find_by_menu(s);
1205     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1206     gint page;
1207 
1208     gtk_release_modifiers(s);
1209     if (vc) {
1210         page = gtk_notebook_page_num(nb, vc->tab_item);
1211         gtk_notebook_set_current_page(nb, page);
1212         gtk_widget_grab_focus(vc->focus);
1213     }
1214 }
1215 
1216 static void gd_accel_switch_vc(void *opaque)
1217 {
1218     VirtualConsole *vc = opaque;
1219 
1220     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1221 }
1222 
1223 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1224 {
1225     GtkDisplayState *s = opaque;
1226     VirtualConsole *vc = gd_vc_find_current(s);
1227 
1228     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1229         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1230     } else {
1231         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1232     }
1233     gd_update_windowsize(vc);
1234 }
1235 
1236 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1237                                     void *opaque)
1238 {
1239     VirtualConsole *vc = opaque;
1240     GtkDisplayState *s = vc->s;
1241 
1242     gtk_widget_set_sensitive(vc->menu_item, true);
1243     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1244     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1245                                     vc->tab_item, vc->label);
1246     gtk_widget_destroy(vc->window);
1247     vc->window = NULL;
1248 #if defined(CONFIG_OPENGL)
1249     if (vc->gfx.esurface) {
1250         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1251         vc->gfx.esurface = NULL;
1252     }
1253     if (vc->gfx.ectx) {
1254         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1255         vc->gfx.ectx = NULL;
1256     }
1257 #endif
1258     return TRUE;
1259 }
1260 
1261 static gboolean gd_win_grab(void *opaque)
1262 {
1263     VirtualConsole *vc = opaque;
1264 
1265     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1266     if (vc->s->ptr_owner) {
1267         gd_ungrab_pointer(vc->s);
1268     } else {
1269         gd_grab_pointer(vc, "user-request-detached-tab");
1270     }
1271     return TRUE;
1272 }
1273 
1274 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1275 {
1276     GtkDisplayState *s = opaque;
1277     VirtualConsole *vc = gd_vc_find_current(s);
1278 
1279     if (vc->type == GD_VC_GFX &&
1280         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1281         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1282                                        FALSE);
1283     }
1284     if (!vc->window) {
1285         gtk_widget_set_sensitive(vc->menu_item, false);
1286         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1287 #if defined(CONFIG_OPENGL)
1288         if (vc->gfx.esurface) {
1289             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1290             vc->gfx.esurface = NULL;
1291         }
1292         if (vc->gfx.esurface) {
1293             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1294             vc->gfx.ectx = NULL;
1295         }
1296 #endif
1297         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1298 
1299         g_signal_connect(vc->window, "delete-event",
1300                          G_CALLBACK(gd_tab_window_close), vc);
1301         gtk_widget_show_all(vc->window);
1302 
1303         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1304             GtkAccelGroup *ag = gtk_accel_group_new();
1305             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1306 
1307             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1308                                                vc, NULL);
1309             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1310         }
1311 
1312         gd_update_geometry_hints(vc);
1313         gd_update_caption(s);
1314     }
1315 }
1316 
1317 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1318 {
1319     GtkDisplayState *s = opaque;
1320     VirtualConsole *vc = gd_vc_find_current(s);
1321 
1322     if (s->full_screen) {
1323         return;
1324     }
1325 
1326     if (gtk_check_menu_item_get_active(
1327                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1328         gtk_widget_show(s->menu_bar);
1329     } else {
1330         gtk_widget_hide(s->menu_bar);
1331     }
1332     gd_update_windowsize(vc);
1333 }
1334 
1335 static void gd_accel_show_menubar(void *opaque)
1336 {
1337     GtkDisplayState *s = opaque;
1338     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1339 }
1340 
1341 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1342 {
1343     GtkDisplayState *s = opaque;
1344     VirtualConsole *vc = gd_vc_find_current(s);
1345 
1346     if (!s->full_screen) {
1347         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1348         gtk_widget_hide(s->menu_bar);
1349         if (vc->type == GD_VC_GFX) {
1350             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1351         }
1352         gtk_window_fullscreen(GTK_WINDOW(s->window));
1353         s->full_screen = TRUE;
1354     } else {
1355         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1356         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1357         if (gtk_check_menu_item_get_active(
1358                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1359             gtk_widget_show(s->menu_bar);
1360         }
1361         s->full_screen = FALSE;
1362         if (vc->type == GD_VC_GFX) {
1363             vc->gfx.scale_x = 1.0;
1364             vc->gfx.scale_y = 1.0;
1365             gd_update_windowsize(vc);
1366         }
1367     }
1368 
1369     gd_update_cursor(vc);
1370 }
1371 
1372 static void gd_accel_full_screen(void *opaque)
1373 {
1374     GtkDisplayState *s = opaque;
1375     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1376 }
1377 
1378 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1379 {
1380     GtkDisplayState *s = opaque;
1381     VirtualConsole *vc = gd_vc_find_current(s);
1382 
1383     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1384                                    FALSE);
1385 
1386     vc->gfx.scale_x += VC_SCALE_STEP;
1387     vc->gfx.scale_y += VC_SCALE_STEP;
1388 
1389     gd_update_windowsize(vc);
1390 }
1391 
1392 static void gd_accel_zoom_in(void *opaque)
1393 {
1394     GtkDisplayState *s = opaque;
1395     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1396 }
1397 
1398 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1399 {
1400     GtkDisplayState *s = opaque;
1401     VirtualConsole *vc = gd_vc_find_current(s);
1402 
1403     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1404                                    FALSE);
1405 
1406     vc->gfx.scale_x -= VC_SCALE_STEP;
1407     vc->gfx.scale_y -= VC_SCALE_STEP;
1408 
1409     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1410     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1411 
1412     gd_update_windowsize(vc);
1413 }
1414 
1415 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1416 {
1417     GtkDisplayState *s = opaque;
1418     VirtualConsole *vc = gd_vc_find_current(s);
1419 
1420     vc->gfx.scale_x = 1.0;
1421     vc->gfx.scale_y = 1.0;
1422 
1423     gd_update_windowsize(vc);
1424 }
1425 
1426 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1427 {
1428     GtkDisplayState *s = opaque;
1429     VirtualConsole *vc = gd_vc_find_current(s);
1430 
1431     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1432         s->free_scale = TRUE;
1433     } else {
1434         s->free_scale = FALSE;
1435         vc->gfx.scale_x = 1.0;
1436         vc->gfx.scale_y = 1.0;
1437     }
1438 
1439     gd_update_windowsize(vc);
1440     gd_update_full_redraw(vc);
1441 }
1442 
1443 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1444 {
1445     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1446     GdkSeat *seat = gdk_display_get_default_seat(display);
1447     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1448     GdkSeatCapabilities caps = 0;
1449     GdkCursor *cursor = NULL;
1450 
1451     if (kbd) {
1452         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1453     }
1454     if (ptr) {
1455         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1456         cursor = vc->s->null_cursor;
1457     }
1458 
1459     if (caps) {
1460         gdk_seat_grab(seat, window, caps, false, cursor,
1461                       NULL, NULL, NULL);
1462     } else {
1463         gdk_seat_ungrab(seat);
1464     }
1465 }
1466 
1467 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1468 {
1469     if (vc->s->kbd_owner) {
1470         if (vc->s->kbd_owner == vc) {
1471             return;
1472         } else {
1473             gd_ungrab_keyboard(vc->s);
1474         }
1475     }
1476 
1477     win32_kbd_set_grab(true);
1478     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1479     vc->s->kbd_owner = vc;
1480     gd_update_caption(vc->s);
1481     trace_gd_grab(vc->label, "kbd", reason);
1482 }
1483 
1484 static void gd_ungrab_keyboard(GtkDisplayState *s)
1485 {
1486     VirtualConsole *vc = s->kbd_owner;
1487 
1488     if (vc == NULL) {
1489         return;
1490     }
1491     s->kbd_owner = NULL;
1492 
1493     win32_kbd_set_grab(false);
1494     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1495     gd_update_caption(s);
1496     trace_gd_ungrab(vc->label, "kbd");
1497 }
1498 
1499 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1500 {
1501     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1502 
1503     if (vc->s->ptr_owner) {
1504         if (vc->s->ptr_owner == vc) {
1505             return;
1506         } else {
1507             gd_ungrab_pointer(vc->s);
1508         }
1509     }
1510 
1511     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1512     gdk_device_get_position(gd_get_pointer(display),
1513                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1514     vc->s->ptr_owner = vc;
1515     gd_update_caption(vc->s);
1516     trace_gd_grab(vc->label, "ptr", reason);
1517 }
1518 
1519 static void gd_ungrab_pointer(GtkDisplayState *s)
1520 {
1521     VirtualConsole *vc = s->ptr_owner;
1522     GdkDisplay *display;
1523 
1524     if (vc == NULL) {
1525         return;
1526     }
1527     s->ptr_owner = NULL;
1528 
1529     display = gtk_widget_get_display(vc->gfx.drawing_area);
1530     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1531     gdk_device_warp(gd_get_pointer(display),
1532                     gtk_widget_get_screen(vc->gfx.drawing_area),
1533                     vc->s->grab_x_root, vc->s->grab_y_root);
1534     gd_update_caption(s);
1535     trace_gd_ungrab(vc->label, "ptr");
1536 }
1537 
1538 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1539 {
1540     GtkDisplayState *s = opaque;
1541     VirtualConsole *vc = gd_vc_find_current(s);
1542 
1543     if (gd_is_grab_active(s)) {
1544         gd_grab_keyboard(vc, "user-request-main-window");
1545         gd_grab_pointer(vc, "user-request-main-window");
1546     } else {
1547         gd_ungrab_keyboard(s);
1548         gd_ungrab_pointer(s);
1549     }
1550 
1551     gd_update_cursor(vc);
1552 }
1553 
1554 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1555                            gpointer data)
1556 {
1557     GtkDisplayState *s = data;
1558     VirtualConsole *vc;
1559     gboolean on_vga;
1560 
1561     if (!gtk_widget_get_realized(s->notebook)) {
1562         return;
1563     }
1564 
1565     vc = gd_vc_find_by_page(s, arg2);
1566     if (!vc) {
1567         return;
1568     }
1569     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1570                                    TRUE);
1571     on_vga = (vc->type == GD_VC_GFX &&
1572               qemu_console_is_graphic(vc->gfx.dcl.con));
1573     if (!on_vga) {
1574         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1575                                        FALSE);
1576     } else if (s->full_screen) {
1577         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1578                                        TRUE);
1579     }
1580     gtk_widget_set_sensitive(s->grab_item, on_vga);
1581 #ifdef CONFIG_VTE
1582     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1583 #endif
1584 
1585     gd_update_windowsize(vc);
1586     gd_update_cursor(vc);
1587 }
1588 
1589 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1590                                gpointer opaque)
1591 {
1592     VirtualConsole *vc = opaque;
1593     GtkDisplayState *s = vc->s;
1594 
1595     if (gd_grab_on_hover(s)) {
1596         gd_grab_keyboard(vc, "grab-on-hover");
1597     }
1598     return TRUE;
1599 }
1600 
1601 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1602                                gpointer opaque)
1603 {
1604     VirtualConsole *vc = opaque;
1605     GtkDisplayState *s = vc->s;
1606 
1607     if (gd_grab_on_hover(s)) {
1608         gd_ungrab_keyboard(s);
1609     }
1610     return TRUE;
1611 }
1612 
1613 static gboolean gd_focus_in_event(GtkWidget *widget,
1614                                   GdkEventFocus *event, gpointer opaque)
1615 {
1616     VirtualConsole *vc = opaque;
1617 
1618     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1619     return TRUE;
1620 }
1621 
1622 static gboolean gd_focus_out_event(GtkWidget *widget,
1623                                    GdkEventFocus *event, gpointer opaque)
1624 {
1625     VirtualConsole *vc = opaque;
1626     GtkDisplayState *s = vc->s;
1627 
1628     win32_kbd_set_window(NULL);
1629     gtk_release_modifiers(s);
1630     return TRUE;
1631 }
1632 
1633 static gboolean gd_configure(GtkWidget *widget,
1634                              GdkEventConfigure *cfg, gpointer opaque)
1635 {
1636     VirtualConsole *vc = opaque;
1637 
1638     gd_set_ui_info(vc, cfg->width, cfg->height);
1639     return FALSE;
1640 }
1641 
1642 /** Virtual Console Callbacks **/
1643 
1644 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1645                                int idx, GSList *group, GtkWidget *view_menu)
1646 {
1647     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1648     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1649             HOTKEY_MODIFIERS, 0,
1650             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1651     gtk_accel_label_set_accel(
1652             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1653             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1654 
1655     g_signal_connect(vc->menu_item, "activate",
1656                      G_CALLBACK(gd_menu_switch_vc), s);
1657     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1658 
1659     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1660 }
1661 
1662 #if defined(CONFIG_VTE)
1663 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1664 {
1665     GtkDisplayState *s = opaque;
1666     VirtualConsole *vc = gd_vc_find_current(s);
1667 
1668 #if VTE_CHECK_VERSION(0, 50, 0)
1669     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1670                                        VTE_FORMAT_TEXT);
1671 #else
1672     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1673 #endif
1674 }
1675 
1676 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1677 {
1678     VirtualConsole *vc = opaque;
1679 
1680     if (gtk_adjustment_get_upper(adjustment) >
1681         gtk_adjustment_get_page_size(adjustment)) {
1682         gtk_widget_show(vc->vte.scrollbar);
1683     } else {
1684         gtk_widget_hide(vc->vte.scrollbar);
1685     }
1686 }
1687 
1688 static void gd_vc_send_chars(VirtualConsole *vc)
1689 {
1690     uint32_t len, avail;
1691 
1692     len = qemu_chr_be_can_write(vc->vte.chr);
1693     avail = fifo8_num_used(&vc->vte.out_fifo);
1694     while (len > 0 && avail > 0) {
1695         const uint8_t *buf;
1696         uint32_t size;
1697 
1698         buf = fifo8_pop_buf(&vc->vte.out_fifo, MIN(len, avail), &size);
1699         qemu_chr_be_write(vc->vte.chr, (uint8_t *)buf, size);
1700         len = qemu_chr_be_can_write(vc->vte.chr);
1701         avail -= size;
1702     }
1703 }
1704 
1705 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1706 {
1707     VCChardev *vcd = VC_CHARDEV(chr);
1708     VirtualConsole *vc = vcd->console;
1709 
1710     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1711     return len;
1712 }
1713 
1714 static void gd_vc_chr_accept_input(Chardev *chr)
1715 {
1716     VCChardev *vcd = VC_CHARDEV(chr);
1717     VirtualConsole *vc = vcd->console;
1718 
1719     gd_vc_send_chars(vc);
1720 }
1721 
1722 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1723 {
1724     VCChardev *vcd = VC_CHARDEV(chr);
1725     VirtualConsole *vc = vcd->console;
1726 
1727     if (vc) {
1728         vc->vte.echo = echo;
1729     } else {
1730         vcd->echo = echo;
1731     }
1732 }
1733 
1734 static int nb_vcs;
1735 static Chardev *vcs[MAX_VCS];
1736 static void gd_vc_open(Chardev *chr,
1737                        ChardevBackend *backend,
1738                        bool *be_opened,
1739                        Error **errp)
1740 {
1741     if (nb_vcs == MAX_VCS) {
1742         error_setg(errp, "Maximum number of consoles reached");
1743         return;
1744     }
1745 
1746     vcs[nb_vcs++] = chr;
1747 
1748     /* console/chardev init sometimes completes elsewhere in a 2nd
1749      * stage, so defer OPENED events until they are fully initialized
1750      */
1751     *be_opened = false;
1752 }
1753 
1754 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1755 {
1756     ChardevClass *cc = CHARDEV_CLASS(oc);
1757 
1758     cc->parse = qemu_chr_parse_vc;
1759     cc->open = gd_vc_open;
1760     cc->chr_write = gd_vc_chr_write;
1761     cc->chr_accept_input = gd_vc_chr_accept_input;
1762     cc->chr_set_echo = gd_vc_chr_set_echo;
1763 }
1764 
1765 static const TypeInfo char_gd_vc_type_info = {
1766     .name = TYPE_CHARDEV_VC,
1767     .parent = TYPE_CHARDEV,
1768     .instance_size = sizeof(VCChardev),
1769     .class_init = char_gd_vc_class_init,
1770 };
1771 
1772 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1773                          gpointer user_data)
1774 {
1775     VirtualConsole *vc = user_data;
1776     uint32_t free;
1777 
1778     if (vc->vte.echo) {
1779         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1780         int i;
1781         for (i = 0; i < size; i++) {
1782             uint8_t c = text[i];
1783             if (c >= 128 || isprint(c)) {
1784                 /* 8-bit characters are considered printable.  */
1785                 vte_terminal_feed(term, &text[i], 1);
1786             } else if (c == '\r' || c == '\n') {
1787                 vte_terminal_feed(term, "\r\n", 2);
1788             } else {
1789                 char ctrl[2] = { '^', 0};
1790                 ctrl[1] = text[i] ^ 64;
1791                 vte_terminal_feed(term, ctrl, 2);
1792             }
1793         }
1794     }
1795 
1796     free = fifo8_num_free(&vc->vte.out_fifo);
1797     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1798     gd_vc_send_chars(vc);
1799 
1800     return TRUE;
1801 }
1802 
1803 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1804                               Chardev *chr, int idx,
1805                               GSList *group, GtkWidget *view_menu)
1806 {
1807     char buffer[32];
1808     GtkWidget *box;
1809     GtkWidget *scrollbar;
1810     GtkAdjustment *vadjustment;
1811     VCChardev *vcd = VC_CHARDEV(chr);
1812 
1813     vc->s = s;
1814     vc->vte.echo = vcd->echo;
1815     vc->vte.chr = chr;
1816     fifo8_create(&vc->vte.out_fifo, 4096);
1817     vcd->console = vc;
1818 
1819     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1820     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1821                                 ? vc->vte.chr->label : buffer);
1822     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1823 
1824     vc->vte.terminal = vte_terminal_new();
1825     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1826 
1827     /* The documentation says that the default is UTF-8, but actually it is
1828      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1829      * VTE 0.54 (only UTF-8 is supported now). */
1830 #if !VTE_CHECK_VERSION(0, 54, 0)
1831 #if VTE_CHECK_VERSION(0, 38, 0)
1832     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1833 #else
1834     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1835 #endif
1836 #endif
1837 
1838     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1839     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1840                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1841 
1842 #if VTE_CHECK_VERSION(0, 28, 0)
1843     vadjustment = gtk_scrollable_get_vadjustment
1844         (GTK_SCROLLABLE(vc->vte.terminal));
1845 #else
1846     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1847 #endif
1848 
1849     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1850     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1851 
1852     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1853     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1854 
1855     vc->vte.box = box;
1856     vc->vte.scrollbar = scrollbar;
1857 
1858     g_signal_connect(vadjustment, "changed",
1859                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1860 
1861     vc->type = GD_VC_VTE;
1862     vc->tab_item = box;
1863     vc->focus = vc->vte.terminal;
1864     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1865                              gtk_label_new(vc->label));
1866 
1867     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1868 
1869     return group;
1870 }
1871 
1872 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1873                         GtkWidget *view_menu)
1874 {
1875     int i;
1876 
1877     for (i = 0; i < nb_vcs; i++) {
1878         VirtualConsole *vc = &s->vc[s->nb_vcs];
1879         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1880         s->nb_vcs++;
1881     }
1882 }
1883 #endif /* CONFIG_VTE */
1884 
1885 /** Window Creation **/
1886 
1887 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1888 {
1889     g_signal_connect(vc->gfx.drawing_area, "draw",
1890                      G_CALLBACK(gd_draw_event), vc);
1891 #if defined(CONFIG_OPENGL)
1892     if (gtk_use_gl_area) {
1893         /* wire up GtkGlArea events */
1894         g_signal_connect(vc->gfx.drawing_area, "render",
1895                          G_CALLBACK(gd_render_event), vc);
1896         g_signal_connect(vc->gfx.drawing_area, "resize",
1897                          G_CALLBACK(gd_resize_event), vc);
1898     }
1899 #endif
1900     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1901         g_signal_connect(vc->gfx.drawing_area, "event",
1902                          G_CALLBACK(gd_event), vc);
1903         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1904                          G_CALLBACK(gd_button_event), vc);
1905         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1906                          G_CALLBACK(gd_button_event), vc);
1907         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1908                          G_CALLBACK(gd_scroll_event), vc);
1909         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1910                          G_CALLBACK(gd_key_event), vc);
1911         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1912                          G_CALLBACK(gd_key_event), vc);
1913 
1914         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1915                          G_CALLBACK(gd_enter_event), vc);
1916         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1917                          G_CALLBACK(gd_leave_event), vc);
1918         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1919                          G_CALLBACK(gd_focus_in_event), vc);
1920         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1921                          G_CALLBACK(gd_focus_out_event), vc);
1922         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1923                          G_CALLBACK(gd_configure), vc);
1924         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1925                          G_CALLBACK(gd_grab_broken_event), vc);
1926     } else {
1927         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1928                          G_CALLBACK(gd_text_key_down), vc);
1929     }
1930 }
1931 
1932 static void gd_connect_signals(GtkDisplayState *s)
1933 {
1934     g_signal_connect(s->show_tabs_item, "activate",
1935                      G_CALLBACK(gd_menu_show_tabs), s);
1936     g_signal_connect(s->untabify_item, "activate",
1937                      G_CALLBACK(gd_menu_untabify), s);
1938     g_signal_connect(s->show_menubar_item, "activate",
1939                      G_CALLBACK(gd_menu_show_menubar), s);
1940 
1941     g_signal_connect(s->window, "delete-event",
1942                      G_CALLBACK(gd_window_close), s);
1943 
1944     g_signal_connect(s->pause_item, "activate",
1945                      G_CALLBACK(gd_menu_pause), s);
1946     g_signal_connect(s->reset_item, "activate",
1947                      G_CALLBACK(gd_menu_reset), s);
1948     g_signal_connect(s->powerdown_item, "activate",
1949                      G_CALLBACK(gd_menu_powerdown), s);
1950     g_signal_connect(s->quit_item, "activate",
1951                      G_CALLBACK(gd_menu_quit), s);
1952 #if defined(CONFIG_VTE)
1953     g_signal_connect(s->copy_item, "activate",
1954                      G_CALLBACK(gd_menu_copy), s);
1955 #endif
1956     g_signal_connect(s->full_screen_item, "activate",
1957                      G_CALLBACK(gd_menu_full_screen), s);
1958     g_signal_connect(s->zoom_in_item, "activate",
1959                      G_CALLBACK(gd_menu_zoom_in), s);
1960     g_signal_connect(s->zoom_out_item, "activate",
1961                      G_CALLBACK(gd_menu_zoom_out), s);
1962     g_signal_connect(s->zoom_fixed_item, "activate",
1963                      G_CALLBACK(gd_menu_zoom_fixed), s);
1964     g_signal_connect(s->zoom_fit_item, "activate",
1965                      G_CALLBACK(gd_menu_zoom_fit), s);
1966     g_signal_connect(s->grab_item, "activate",
1967                      G_CALLBACK(gd_menu_grab_input), s);
1968     g_signal_connect(s->notebook, "switch-page",
1969                      G_CALLBACK(gd_change_page), s);
1970 }
1971 
1972 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1973 {
1974     GtkWidget *machine_menu;
1975     GtkWidget *separator;
1976 
1977     machine_menu = gtk_menu_new();
1978     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1979 
1980     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1981     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1982 
1983     separator = gtk_separator_menu_item_new();
1984     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1985 
1986     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1987     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1988 
1989     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1990     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1991 
1992     separator = gtk_separator_menu_item_new();
1993     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1994 
1995     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1996     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1997                                  "<QEMU>/Machine/Quit");
1998     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1999                             GDK_KEY_q, HOTKEY_MODIFIERS);
2000     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2001 
2002     return machine_menu;
2003 }
2004 
2005 #if defined(CONFIG_OPENGL)
2006 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2007 {
2008     gtk_gl_area_make_current(area);
2009     qemu_egl_display = eglGetCurrentDisplay();
2010     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2011     if (!vc->gfx.has_dmabuf) {
2012         error_report("GtkGLArea console lacks DMABUF support.");
2013     }
2014 }
2015 #endif
2016 
2017 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2018                               QemuConsole *con, int idx,
2019                               GSList *group, GtkWidget *view_menu)
2020 {
2021     bool zoom_to_fit = false;
2022 
2023     vc->label = qemu_console_get_label(con);
2024     vc->s = s;
2025     vc->gfx.scale_x = 1.0;
2026     vc->gfx.scale_y = 1.0;
2027 
2028 #if defined(CONFIG_OPENGL)
2029     if (display_opengl) {
2030         if (gtk_use_gl_area) {
2031             vc->gfx.drawing_area = gtk_gl_area_new();
2032             g_signal_connect(vc->gfx.drawing_area, "realize",
2033                              G_CALLBACK(gl_area_realize), vc);
2034             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2035         } else {
2036 #ifdef CONFIG_X11
2037             vc->gfx.drawing_area = gtk_drawing_area_new();
2038             /*
2039              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2040              * It is required for opengl rendering on X11 though.  A
2041              * proper replacement (native opengl support) is only
2042              * available in 3.16+.  Silence the warning if possible.
2043              */
2044 #pragma GCC diagnostic push
2045 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2046             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2047 #pragma GCC diagnostic pop
2048             vc->gfx.dcl.ops = &dcl_egl_ops;
2049             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2050 #else
2051             abort();
2052 #endif
2053         }
2054     } else
2055 #endif
2056     {
2057         vc->gfx.drawing_area = gtk_drawing_area_new();
2058         vc->gfx.dcl.ops = &dcl_ops;
2059     }
2060 
2061 
2062     gtk_widget_add_events(vc->gfx.drawing_area,
2063                           GDK_POINTER_MOTION_MASK |
2064                           GDK_BUTTON_PRESS_MASK |
2065                           GDK_BUTTON_RELEASE_MASK |
2066                           GDK_BUTTON_MOTION_MASK |
2067                           GDK_ENTER_NOTIFY_MASK |
2068                           GDK_LEAVE_NOTIFY_MASK |
2069                           GDK_SCROLL_MASK |
2070                           GDK_SMOOTH_SCROLL_MASK |
2071                           GDK_KEY_PRESS_MASK);
2072     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2073 
2074     vc->type = GD_VC_GFX;
2075     vc->tab_item = vc->gfx.drawing_area;
2076     vc->focus = vc->gfx.drawing_area;
2077     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2078                              vc->tab_item, gtk_label_new(vc->label));
2079 
2080     vc->gfx.kbd = qkbd_state_init(con);
2081     vc->gfx.dcl.con = con;
2082 
2083     register_displaychangelistener(&vc->gfx.dcl);
2084 
2085     gd_connect_vc_gfx_signals(vc);
2086     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2087 
2088     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2089         zoom_to_fit = true;
2090     }
2091     if (s->opts->u.gtk.has_zoom_to_fit) {
2092         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2093     }
2094     if (zoom_to_fit) {
2095         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2096         s->free_scale = true;
2097     }
2098 
2099     return group;
2100 }
2101 
2102 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2103 {
2104     GSList *group = NULL;
2105     GtkWidget *view_menu;
2106     GtkWidget *separator;
2107     QemuConsole *con;
2108     int vc;
2109 
2110     view_menu = gtk_menu_new();
2111     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2112 
2113     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2114 
2115 #if defined(CONFIG_VTE)
2116     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2117     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2118 #endif
2119 
2120     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2121             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2122     gtk_accel_label_set_accel(
2123             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2124             GDK_KEY_f, HOTKEY_MODIFIERS);
2125     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2126 
2127     separator = gtk_separator_menu_item_new();
2128     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2129 
2130     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2131     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2132                                  "<QEMU>/View/Zoom In");
2133     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2134                             HOTKEY_MODIFIERS);
2135     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2136             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2137     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2138 
2139     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2140     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2141                                  "<QEMU>/View/Zoom Out");
2142     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2143                             HOTKEY_MODIFIERS);
2144     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2145 
2146     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2147     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2148                                  "<QEMU>/View/Zoom Fixed");
2149     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2150                             HOTKEY_MODIFIERS);
2151     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2152 
2153     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2154     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2155 
2156     separator = gtk_separator_menu_item_new();
2157     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2158 
2159     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2160     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2161 
2162     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2163     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2164                                  "<QEMU>/View/Grab Input");
2165     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2166                             HOTKEY_MODIFIERS);
2167     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2168 
2169     separator = gtk_separator_menu_item_new();
2170     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2171 
2172     /* gfx */
2173     for (vc = 0;; vc++) {
2174         con = qemu_console_lookup_by_index(vc);
2175         if (!con) {
2176             break;
2177         }
2178         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2179                                vc, group, view_menu);
2180         s->nb_vcs++;
2181     }
2182 
2183 #if defined(CONFIG_VTE)
2184     /* vte */
2185     gd_vcs_init(s, group, view_menu);
2186 #endif
2187 
2188     separator = gtk_separator_menu_item_new();
2189     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2190 
2191     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2192     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2193 
2194     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2195     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2196 
2197     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2198             _("Show Menubar"));
2199     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2200                                    TRUE);
2201     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2202             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2203     gtk_accel_label_set_accel(
2204             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2205             GDK_KEY_m, HOTKEY_MODIFIERS);
2206     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2207 
2208     return view_menu;
2209 }
2210 
2211 static void gd_create_menus(GtkDisplayState *s)
2212 {
2213     GtkSettings *settings;
2214 
2215     s->accel_group = gtk_accel_group_new();
2216     s->machine_menu = gd_create_menu_machine(s);
2217     s->view_menu = gd_create_menu_view(s);
2218 
2219     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2220     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2221                               s->machine_menu);
2222     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2223 
2224     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2225     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2226     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2227 
2228     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2229     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2230 
2231     /* Disable the default "F10" menu shortcut. */
2232     settings = gtk_widget_get_settings(s->window);
2233     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2234 }
2235 
2236 
2237 static gboolean gtkinit;
2238 
2239 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2240 {
2241     VirtualConsole *vc;
2242 
2243     GtkDisplayState *s = g_malloc0(sizeof(*s));
2244     GdkDisplay *window_display;
2245     GtkIconTheme *theme;
2246     char *dir;
2247 
2248     if (!gtkinit) {
2249         fprintf(stderr, "gtk initialization failed\n");
2250         exit(1);
2251     }
2252     assert(opts->type == DISPLAY_TYPE_GTK);
2253     s->opts = opts;
2254 
2255     theme = gtk_icon_theme_get_default();
2256     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2257     gtk_icon_theme_prepend_search_path(theme, dir);
2258     g_free(dir);
2259     g_set_prgname("qemu");
2260 
2261     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2262     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2263     s->notebook = gtk_notebook_new();
2264     s->menu_bar = gtk_menu_bar_new();
2265 
2266     s->free_scale = FALSE;
2267 
2268     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2269      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2270      * printable, but without changing any of the character classes to make
2271      * sure that we don't accidentally break implicit assumptions.  */
2272     setlocale(LC_MESSAGES, "");
2273     setlocale(LC_CTYPE, "C.UTF-8");
2274     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2275     bindtextdomain("qemu", dir);
2276     g_free(dir);
2277     bind_textdomain_codeset("qemu", "UTF-8");
2278     textdomain("qemu");
2279 
2280     window_display = gtk_widget_get_display(s->window);
2281     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2282         s->null_cursor = NULL; /* default pointer */
2283     } else {
2284         s->null_cursor = gdk_cursor_new_for_display(window_display,
2285                                                     GDK_BLANK_CURSOR);
2286     }
2287 
2288     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2289     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2290     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2291 
2292     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2293 
2294     gd_create_menus(s);
2295 
2296     gd_connect_signals(s);
2297 
2298     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2299     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2300 
2301     gd_update_caption(s);
2302 
2303     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2304     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2305 
2306     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2307 
2308     gtk_widget_show_all(s->window);
2309 
2310     vc = gd_vc_find_current(s);
2311     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2312 #ifdef CONFIG_VTE
2313     gtk_widget_set_sensitive(s->copy_item,
2314                              vc && vc->type == GD_VC_VTE);
2315 #endif
2316 
2317     if (opts->has_full_screen &&
2318         opts->full_screen) {
2319         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2320     }
2321     if (opts->u.gtk.has_grab_on_hover &&
2322         opts->u.gtk.grab_on_hover) {
2323         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2324     }
2325     gd_clipboard_init(s);
2326 }
2327 
2328 static void early_gtk_display_init(DisplayOptions *opts)
2329 {
2330     /* The QEMU code relies on the assumption that it's always run in
2331      * the C locale. Therefore it is not prepared to deal with
2332      * operations that produce different results depending on the
2333      * locale, such as printf's formatting of decimal numbers, and
2334      * possibly others.
2335      *
2336      * Since GTK+ calls setlocale() by default -importing the locale
2337      * settings from the environment- we must prevent it from doing so
2338      * using gtk_disable_setlocale().
2339      *
2340      * QEMU's GTK+ UI, however, _does_ have translations for some of
2341      * the menu items. As a trade-off between a functionally correct
2342      * QEMU and a fully internationalized UI we support importing
2343      * LC_MESSAGES from the environment (see the setlocale() call
2344      * earlier in this file). This allows us to display translated
2345      * messages leaving everything else untouched.
2346      */
2347     gtk_disable_setlocale();
2348     gtkinit = gtk_init_check(NULL, NULL);
2349     if (!gtkinit) {
2350         /* don't exit yet, that'll break -help */
2351         return;
2352     }
2353 
2354     assert(opts->type == DISPLAY_TYPE_GTK);
2355     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2356 #if defined(CONFIG_OPENGL)
2357 #if defined(GDK_WINDOWING_WAYLAND)
2358         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2359             gtk_use_gl_area = true;
2360             gtk_gl_area_init();
2361         } else
2362 #endif
2363         {
2364 #ifdef CONFIG_X11
2365             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2366             gtk_egl_init(mode);
2367 #endif
2368         }
2369 #endif
2370     }
2371 
2372     keycode_map = gd_get_keymap(&keycode_maplen);
2373 
2374 #if defined(CONFIG_VTE)
2375     type_register(&char_gd_vc_type_info);
2376 #endif
2377 }
2378 
2379 static QemuDisplay qemu_display_gtk = {
2380     .type       = DISPLAY_TYPE_GTK,
2381     .early_init = early_gtk_display_init,
2382     .init       = gtk_display_init,
2383 };
2384 
2385 static void register_gtk(void)
2386 {
2387     qemu_display_register(&qemu_display_gtk);
2388 }
2389 
2390 type_init(register_gtk);
2391 
2392 #ifdef CONFIG_OPENGL
2393 module_dep("ui-opengl");
2394 #endif
2395