xref: /qemu/ui/gtk.c (revision 763952d08b9c89726151a72f90bca90d0828302d)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  *
12  * Portions from gtk-vnc:
13  *
14  * GTK VNC Widget
15  *
16  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
18  *
19  * This library is free software; you can redistribute it and/or
20  * modify it under the terms of the GNU Lesser General Public
21  * License as published by the Free Software Foundation; either
22  * version 2.0 of the License, or (at your option) any later version.
23  *
24  * This library is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27  * Lesser General Public License for more details.
28  *
29  * You should have received a copy of the GNU Lesser General Public
30  * License along with this library; if not, write to the Free Software
31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
32  */
33 
34 #define GETTEXT_PACKAGE "qemu"
35 #define LOCALEDIR "po"
36 
37 #ifdef _WIN32
38 # define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
39 #endif
40 
41 #include "qemu-common.h"
42 
43 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
44 /* Work around an -Wstrict-prototypes warning in GTK headers */
45 #pragma GCC diagnostic push
46 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
47 #endif
48 #include <gtk/gtk.h>
49 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
50 #pragma GCC diagnostic pop
51 #endif
52 
53 
54 #include <gdk/gdkkeysyms.h>
55 #include <glib/gi18n.h>
56 #include <locale.h>
57 #if defined(CONFIG_VTE)
58 #include <vte/vte.h>
59 #endif
60 #include <math.h>
61 
62 #include "trace.h"
63 #include "ui/console.h"
64 #include "ui/input.h"
65 #include "sysemu/sysemu.h"
66 #include "qmp-commands.h"
67 #include "x_keymap.h"
68 #include "keymaps.h"
69 #include "sysemu/char.h"
70 #include "qom/object.h"
71 #ifdef GDK_WINDOWING_X11
72 #include <gdk/gdkx.h>
73 #include <X11/XKBlib.h>
74 #endif
75 
76 #define MAX_VCS 10
77 #define VC_WINDOW_X_MIN  320
78 #define VC_WINDOW_Y_MIN  240
79 #define VC_TERM_X_MIN     80
80 #define VC_TERM_Y_MIN     25
81 #define VC_SCALE_MIN    0.25
82 #define VC_SCALE_STEP   0.25
83 
84 #if !defined(CONFIG_VTE)
85 # define VTE_CHECK_VERSION(a, b, c) 0
86 #endif
87 
88 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
89 /*
90  * The gtk2 vte terminal widget seriously messes up the window resize
91  * for some reason.  You basically can't make the qemu window smaller
92  * any more because the toplevel window geoemtry hints are overridden.
93  *
94  * Workaround that by hiding all vte widgets, except the one in the
95  * current tab.
96  *
97  * Luckily everything works smooth in gtk3.
98  */
99 # define VTE_RESIZE_HACK 1
100 #endif
101 
102 /* Compatibility define to let us build on both Gtk2 and Gtk3 */
103 #if GTK_CHECK_VERSION(3, 0, 0)
104 static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh)
105 {
106     *ww = gdk_window_get_width(w);
107     *wh = gdk_window_get_height(w);
108 }
109 #endif
110 
111 #if !GTK_CHECK_VERSION(2, 20, 0)
112 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
113 #endif
114 
115 #ifndef GDK_IS_X11_DISPLAY
116 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
117 #endif
118 #ifndef GDK_IS_WIN32_DISPLAY
119 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
120 #endif
121 
122 #ifndef GDK_KEY_0
123 #define GDK_KEY_0 GDK_0
124 #define GDK_KEY_1 GDK_1
125 #define GDK_KEY_2 GDK_2
126 #define GDK_KEY_f GDK_f
127 #define GDK_KEY_g GDK_g
128 #define GDK_KEY_q GDK_q
129 #define GDK_KEY_plus GDK_plus
130 #define GDK_KEY_minus GDK_minus
131 #endif
132 
133 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
134 
135 static const int modifier_keycode[] = {
136     /* shift, control, alt keys, meta keys, both left & right */
137     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
138 };
139 
140 typedef struct GtkDisplayState GtkDisplayState;
141 
142 typedef struct VirtualGfxConsole {
143     GtkWidget *drawing_area;
144     DisplayChangeListener dcl;
145     DisplaySurface *ds;
146     pixman_image_t *convert;
147     cairo_surface_t *surface;
148     double scale_x;
149     double scale_y;
150 } VirtualGfxConsole;
151 
152 #if defined(CONFIG_VTE)
153 typedef struct VirtualVteConsole {
154     GtkWidget *box;
155     GtkWidget *scrollbar;
156     GtkWidget *terminal;
157     CharDriverState *chr;
158 } VirtualVteConsole;
159 #endif
160 
161 typedef enum VirtualConsoleType {
162     GD_VC_GFX,
163     GD_VC_VTE,
164 } VirtualConsoleType;
165 
166 typedef struct VirtualConsole {
167     GtkDisplayState *s;
168     char *label;
169     GtkWidget *window;
170     GtkWidget *menu_item;
171     GtkWidget *tab_item;
172     VirtualConsoleType type;
173     union {
174         VirtualGfxConsole gfx;
175 #if defined(CONFIG_VTE)
176         VirtualVteConsole vte;
177 #endif
178     };
179 } VirtualConsole;
180 
181 struct GtkDisplayState {
182     GtkWidget *window;
183 
184     GtkWidget *menu_bar;
185 
186     GtkAccelGroup *accel_group;
187 
188     GtkWidget *machine_menu_item;
189     GtkWidget *machine_menu;
190     GtkWidget *pause_item;
191     GtkWidget *reset_item;
192     GtkWidget *powerdown_item;
193     GtkWidget *quit_item;
194 
195     GtkWidget *view_menu_item;
196     GtkWidget *view_menu;
197     GtkWidget *full_screen_item;
198     GtkWidget *zoom_in_item;
199     GtkWidget *zoom_out_item;
200     GtkWidget *zoom_fixed_item;
201     GtkWidget *zoom_fit_item;
202     GtkWidget *grab_item;
203     GtkWidget *grab_on_hover_item;
204 
205     int nb_vcs;
206     VirtualConsole vc[MAX_VCS];
207 
208     GtkWidget *show_tabs_item;
209     GtkWidget *untabify_item;
210 
211     GtkWidget *vbox;
212     GtkWidget *notebook;
213     int button_mask;
214     gboolean last_set;
215     int last_x;
216     int last_y;
217     int grab_x_root;
218     int grab_y_root;
219     VirtualConsole *kbd_owner;
220     VirtualConsole *ptr_owner;
221 
222     gboolean full_screen;
223 
224     GdkCursor *null_cursor;
225     Notifier mouse_mode_notifier;
226     gboolean free_scale;
227 
228     bool external_pause_update;
229 
230     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
231     bool has_evdev;
232 };
233 
234 static void gd_grab_pointer(VirtualConsole *vc);
235 static void gd_ungrab_pointer(GtkDisplayState *s);
236 
237 /** Utility Functions **/
238 
239 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
240 {
241     VirtualConsole *vc;
242     gint i;
243 
244     for (i = 0; i < s->nb_vcs; i++) {
245         vc = &s->vc[i];
246         if (gtk_check_menu_item_get_active
247             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
248             return vc;
249         }
250     }
251     return NULL;
252 }
253 
254 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
255 {
256     VirtualConsole *vc;
257     gint i, p;
258 
259     for (i = 0; i < s->nb_vcs; i++) {
260         vc = &s->vc[i];
261         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
262         if (p == page) {
263             return vc;
264         }
265     }
266     return NULL;
267 }
268 
269 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
270 {
271     gint page;
272 
273     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
274     return gd_vc_find_by_page(s, page);
275 }
276 
277 static bool gd_is_grab_active(GtkDisplayState *s)
278 {
279     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
280 }
281 
282 static bool gd_grab_on_hover(GtkDisplayState *s)
283 {
284     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
285 }
286 
287 static void gd_update_cursor(VirtualConsole *vc)
288 {
289     GtkDisplayState *s = vc->s;
290     GdkWindow *window;
291 
292     if (vc->type != GD_VC_GFX) {
293         return;
294     }
295 
296     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
297     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
298         gdk_window_set_cursor(window, s->null_cursor);
299     } else {
300         gdk_window_set_cursor(window, NULL);
301     }
302 }
303 
304 static void gd_update_caption(GtkDisplayState *s)
305 {
306     const char *status = "";
307     gchar *prefix;
308     gchar *title;
309     const char *grab = "";
310     bool is_paused = !runstate_is_running();
311     int i;
312 
313     if (qemu_name) {
314         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
315     } else {
316         prefix = g_strdup_printf("QEMU");
317     }
318 
319     if (s->ptr_owner != NULL &&
320         s->ptr_owner->window == NULL) {
321         grab = _(" - Press Ctrl+Alt+G to release grab");
322     }
323 
324     if (is_paused) {
325         status = _(" [Paused]");
326     }
327     s->external_pause_update = true;
328     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
329                                    is_paused);
330     s->external_pause_update = false;
331 
332     title = g_strdup_printf("%s%s%s", prefix, status, grab);
333     gtk_window_set_title(GTK_WINDOW(s->window), title);
334     g_free(title);
335 
336     for (i = 0; i < s->nb_vcs; i++) {
337         VirtualConsole *vc = &s->vc[i];
338 
339         if (!vc->window) {
340             continue;
341         }
342         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
343                                 vc == s->kbd_owner ? " +kbd" : "",
344                                 vc == s->ptr_owner ? " +ptr" : "");
345         gtk_window_set_title(GTK_WINDOW(vc->window), title);
346         g_free(title);
347     }
348 
349     g_free(prefix);
350 }
351 
352 static void gd_update_geometry_hints(VirtualConsole *vc)
353 {
354     GtkDisplayState *s = vc->s;
355     GdkWindowHints mask = 0;
356     GdkGeometry geo = {};
357     GtkWidget *geo_widget = NULL;
358     GtkWindow *geo_window;
359 
360     if (vc->type == GD_VC_GFX) {
361         if (s->free_scale) {
362             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
363             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
364             mask |= GDK_HINT_MIN_SIZE;
365         } else {
366             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
367             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
368             mask |= GDK_HINT_MIN_SIZE;
369         }
370         geo_widget = vc->gfx.drawing_area;
371         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
372 
373 #if defined(CONFIG_VTE)
374     } else if (vc->type == GD_VC_VTE) {
375         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
376         GtkBorder *ib;
377 
378         geo.width_inc  = vte_terminal_get_char_width(term);
379         geo.height_inc = vte_terminal_get_char_height(term);
380         mask |= GDK_HINT_RESIZE_INC;
381         geo.base_width  = geo.width_inc;
382         geo.base_height = geo.height_inc;
383         mask |= GDK_HINT_BASE_SIZE;
384         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
385         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
386         mask |= GDK_HINT_MIN_SIZE;
387         gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
388         geo.base_width  += ib->left + ib->right;
389         geo.base_height += ib->top + ib->bottom;
390         geo.min_width   += ib->left + ib->right;
391         geo.min_height  += ib->top + ib->bottom;
392         geo_widget = vc->vte.terminal;
393 #endif
394     }
395 
396     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
397     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
398 }
399 
400 static void gd_update_windowsize(VirtualConsole *vc)
401 {
402     GtkDisplayState *s = vc->s;
403 
404     gd_update_geometry_hints(vc);
405 
406     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
407         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
408                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
409     }
410 }
411 
412 static void gd_update_full_redraw(VirtualConsole *vc)
413 {
414     GtkWidget *area = vc->gfx.drawing_area;
415     int ww, wh;
416     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
417     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
418 }
419 
420 static void gtk_release_modifiers(GtkDisplayState *s)
421 {
422     VirtualConsole *vc = gd_vc_find_current(s);
423     int i, keycode;
424 
425     if (vc->type != GD_VC_GFX) {
426         return;
427     }
428     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
429         keycode = modifier_keycode[i];
430         if (!s->modifier_pressed[i]) {
431             continue;
432         }
433         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
434         s->modifier_pressed[i] = false;
435     }
436 }
437 
438 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
439                                GtkWidget *widget)
440 {
441     g_object_ref(G_OBJECT(widget));
442     gtk_container_remove(GTK_CONTAINER(from), widget);
443     gtk_container_add(GTK_CONTAINER(to), widget);
444     g_object_unref(G_OBJECT(widget));
445 }
446 
447 /** DisplayState Callbacks **/
448 
449 static void gd_update(DisplayChangeListener *dcl,
450                       int x, int y, int w, int h)
451 {
452     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
453     int x1, x2, y1, y2;
454     int mx, my;
455     int fbw, fbh;
456     int ww, wh;
457 
458     trace_gd_update(vc->label, x, y, w, h);
459 
460     if (vc->gfx.convert) {
461         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
462                                NULL, vc->gfx.convert,
463                                x, y, 0, 0, x, y, w, h);
464     }
465 
466     x1 = floor(x * vc->gfx.scale_x);
467     y1 = floor(y * vc->gfx.scale_y);
468 
469     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
470     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
471 
472     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
473     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
474 
475     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
476                           &ww, &wh);
477 
478     mx = my = 0;
479     if (ww > fbw) {
480         mx = (ww - fbw) / 2;
481     }
482     if (wh > fbh) {
483         my = (wh - fbh) / 2;
484     }
485 
486     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
487                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
488 }
489 
490 static void gd_refresh(DisplayChangeListener *dcl)
491 {
492     graphic_hw_update(dcl->con);
493 }
494 
495 #if GTK_CHECK_VERSION(3, 0, 0)
496 static void gd_mouse_set(DisplayChangeListener *dcl,
497                          int x, int y, int visible)
498 {
499     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
500     GdkDisplay *dpy;
501     GdkDeviceManager *mgr;
502     gint x_root, y_root;
503 
504     if (qemu_input_is_absolute()) {
505         return;
506     }
507 
508     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
509     mgr = gdk_display_get_device_manager(dpy);
510     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
511                                x, y, &x_root, &y_root);
512     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
513                     gtk_widget_get_screen(vc->gfx.drawing_area),
514                     x_root, y_root);
515 }
516 #else
517 static void gd_mouse_set(DisplayChangeListener *dcl,
518                          int x, int y, int visible)
519 {
520     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
521     gint x_root, y_root;
522 
523     if (qemu_input_is_absolute()) {
524         return;
525     }
526 
527     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
528                                x, y, &x_root, &y_root);
529     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
530                              gtk_widget_get_screen(vc->gfx.drawing_area),
531                              x_root, y_root);
532 }
533 #endif
534 
535 static void gd_cursor_define(DisplayChangeListener *dcl,
536                              QEMUCursor *c)
537 {
538     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
539     GdkPixbuf *pixbuf;
540     GdkCursor *cursor;
541 
542     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
543                                       GDK_COLORSPACE_RGB, true, 8,
544                                       c->width, c->height, c->width * 4,
545                                       NULL, NULL);
546     cursor = gdk_cursor_new_from_pixbuf
547         (gtk_widget_get_display(vc->gfx.drawing_area),
548          pixbuf, c->hot_x, c->hot_y);
549     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
550     g_object_unref(pixbuf);
551 #if !GTK_CHECK_VERSION(3, 0, 0)
552     gdk_cursor_unref(cursor);
553 #else
554     g_object_unref(cursor);
555 #endif
556 }
557 
558 static void gd_switch(DisplayChangeListener *dcl,
559                       DisplaySurface *surface)
560 {
561     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
562     bool resized = true;
563 
564     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
565 
566     if (vc->gfx.surface) {
567         cairo_surface_destroy(vc->gfx.surface);
568     }
569 
570     if (vc->gfx.ds &&
571         surface_width(vc->gfx.ds) == surface_width(surface) &&
572         surface_height(vc->gfx.ds) == surface_height(surface)) {
573         resized = false;
574     }
575     vc->gfx.ds = surface;
576 
577     if (vc->gfx.convert) {
578         pixman_image_unref(vc->gfx.convert);
579         vc->gfx.convert = NULL;
580     }
581 
582     if (surface->format == PIXMAN_x8r8g8b8) {
583         /*
584          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
585          *
586          * No need to convert, use surface directly.  Should be the
587          * common case as this is qemu_default_pixelformat(32) too.
588          */
589         vc->gfx.surface = cairo_image_surface_create_for_data
590             (surface_data(surface),
591              CAIRO_FORMAT_RGB24,
592              surface_width(surface),
593              surface_height(surface),
594              surface_stride(surface));
595     } else {
596         /* Must convert surface, use pixman to do it. */
597         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
598                                                    surface_width(surface),
599                                                    surface_height(surface),
600                                                    NULL, 0);
601         vc->gfx.surface = cairo_image_surface_create_for_data
602             ((void *)pixman_image_get_data(vc->gfx.convert),
603              CAIRO_FORMAT_RGB24,
604              pixman_image_get_width(vc->gfx.convert),
605              pixman_image_get_height(vc->gfx.convert),
606              pixman_image_get_stride(vc->gfx.convert));
607         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
608                                NULL, vc->gfx.convert,
609                                0, 0, 0, 0, 0, 0,
610                                pixman_image_get_width(vc->gfx.convert),
611                                pixman_image_get_height(vc->gfx.convert));
612     }
613 
614     if (resized) {
615         gd_update_windowsize(vc);
616     } else {
617         gd_update_full_redraw(vc);
618     }
619 }
620 
621 /** QEMU Events **/
622 
623 static void gd_change_runstate(void *opaque, int running, RunState state)
624 {
625     GtkDisplayState *s = opaque;
626 
627     gd_update_caption(s);
628 }
629 
630 static void gd_mouse_mode_change(Notifier *notify, void *data)
631 {
632     GtkDisplayState *s;
633     int i;
634 
635     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
636     /* release the grab at switching to absolute mode */
637     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
638         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
639                                        FALSE);
640     }
641     for (i = 0; i < s->nb_vcs; i++) {
642         VirtualConsole *vc = &s->vc[i];
643         gd_update_cursor(vc);
644     }
645 }
646 
647 /** GTK Events **/
648 
649 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
650                                 void *opaque)
651 {
652     GtkDisplayState *s = opaque;
653     int i;
654 
655     if (!no_quit) {
656         for (i = 0; i < s->nb_vcs; i++) {
657             if (s->vc[i].type != GD_VC_GFX) {
658                 continue;
659             }
660             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
661         }
662         qmp_quit(NULL);
663         return FALSE;
664     }
665 
666     return TRUE;
667 }
668 
669 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
670 {
671     VirtualConsole *vc = opaque;
672     GtkDisplayState *s = vc->s;
673     int mx, my;
674     int ww, wh;
675     int fbw, fbh;
676 
677     if (!gtk_widget_get_realized(widget)) {
678         return FALSE;
679     }
680 
681     fbw = surface_width(vc->gfx.ds);
682     fbh = surface_height(vc->gfx.ds);
683 
684     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
685 
686     if (s->full_screen) {
687         vc->gfx.scale_x = (double)ww / fbw;
688         vc->gfx.scale_y = (double)wh / fbh;
689     } else if (s->free_scale) {
690         double sx, sy;
691 
692         sx = (double)ww / fbw;
693         sy = (double)wh / fbh;
694 
695         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
696     }
697 
698     fbw *= vc->gfx.scale_x;
699     fbh *= vc->gfx.scale_y;
700 
701     mx = my = 0;
702     if (ww > fbw) {
703         mx = (ww - fbw) / 2;
704     }
705     if (wh > fbh) {
706         my = (wh - fbh) / 2;
707     }
708 
709     cairo_rectangle(cr, 0, 0, ww, wh);
710 
711     /* Optionally cut out the inner area where the pixmap
712        will be drawn. This avoids 'flashing' since we're
713        not double-buffering. Note we're using the undocumented
714        behaviour of drawing the rectangle from right to left
715        to cut out the whole */
716     cairo_rectangle(cr, mx + fbw, my,
717                     -1 * fbw, fbh);
718     cairo_fill(cr);
719 
720     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
721     cairo_set_source_surface(cr, vc->gfx.surface,
722                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
723     cairo_paint(cr);
724 
725     return TRUE;
726 }
727 
728 #if !GTK_CHECK_VERSION(3, 0, 0)
729 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
730                                 void *opaque)
731 {
732     cairo_t *cr;
733     gboolean ret;
734 
735     cr = gdk_cairo_create(gtk_widget_get_window(widget));
736     cairo_rectangle(cr,
737                     expose->area.x,
738                     expose->area.y,
739                     expose->area.width,
740                     expose->area.height);
741     cairo_clip(cr);
742 
743     ret = gd_draw_event(widget, cr, opaque);
744 
745     cairo_destroy(cr);
746 
747     return ret;
748 }
749 #endif
750 
751 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
752                                 void *opaque)
753 {
754     VirtualConsole *vc = opaque;
755     GtkDisplayState *s = vc->s;
756     int x, y;
757     int mx, my;
758     int fbh, fbw;
759     int ww, wh;
760 
761     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
762     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
763 
764     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
765                           &ww, &wh);
766 
767     mx = my = 0;
768     if (ww > fbw) {
769         mx = (ww - fbw) / 2;
770     }
771     if (wh > fbh) {
772         my = (wh - fbh) / 2;
773     }
774 
775     x = (motion->x - mx) / vc->gfx.scale_x;
776     y = (motion->y - my) / vc->gfx.scale_y;
777 
778     if (qemu_input_is_absolute()) {
779         if (x < 0 || y < 0 ||
780             x >= surface_width(vc->gfx.ds) ||
781             y >= surface_height(vc->gfx.ds)) {
782             return TRUE;
783         }
784         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
785                              surface_width(vc->gfx.ds));
786         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
787                              surface_height(vc->gfx.ds));
788         qemu_input_event_sync();
789     } else if (s->last_set && s->ptr_owner == vc) {
790         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
791         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
792         qemu_input_event_sync();
793     }
794     s->last_x = x;
795     s->last_y = y;
796     s->last_set = TRUE;
797 
798     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
799         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
800         int x = (int)motion->x_root;
801         int y = (int)motion->y_root;
802 
803         /* In relative mode check to see if client pointer hit
804          * one of the screen edges, and if so move it back by
805          * 200 pixels. This is important because the pointer
806          * in the server doesn't correspond 1-for-1, and so
807          * may still be only half way across the screen. Without
808          * this warp, the server pointer would thus appear to hit
809          * an invisible wall */
810         if (x == 0) {
811             x += 200;
812         }
813         if (y == 0) {
814             y += 200;
815         }
816         if (x == (gdk_screen_get_width(screen) - 1)) {
817             x -= 200;
818         }
819         if (y == (gdk_screen_get_height(screen) - 1)) {
820             y -= 200;
821         }
822 
823         if (x != (int)motion->x_root || y != (int)motion->y_root) {
824 #if GTK_CHECK_VERSION(3, 0, 0)
825             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
826             gdk_device_warp(dev, screen, x, y);
827 #else
828             GdkDisplay *display = gtk_widget_get_display(widget);
829             gdk_display_warp_pointer(display, screen, x, y);
830 #endif
831             s->last_set = FALSE;
832             return FALSE;
833         }
834     }
835     return TRUE;
836 }
837 
838 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
839                                 void *opaque)
840 {
841     VirtualConsole *vc = opaque;
842     GtkDisplayState *s = vc->s;
843     InputButton btn;
844 
845     /* implicitly grab the input at the first click in the relative mode */
846     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
847         !qemu_input_is_absolute() && s->ptr_owner != vc) {
848         gd_ungrab_pointer(s);
849         if (!vc->window) {
850             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
851                                            TRUE);
852         } else {
853             gd_grab_pointer(vc);
854             gd_update_caption(s);
855         }
856         return TRUE;
857     }
858 
859     if (button->button == 1) {
860         btn = INPUT_BUTTON_LEFT;
861     } else if (button->button == 2) {
862         btn = INPUT_BUTTON_MIDDLE;
863     } else if (button->button == 3) {
864         btn = INPUT_BUTTON_RIGHT;
865     } else {
866         return TRUE;
867     }
868 
869     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
870                          button->type == GDK_BUTTON_PRESS);
871     qemu_input_event_sync();
872     return TRUE;
873 }
874 
875 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
876                                 void *opaque)
877 {
878     VirtualConsole *vc = opaque;
879     InputButton btn;
880 
881     if (scroll->direction == GDK_SCROLL_UP) {
882         btn = INPUT_BUTTON_WHEEL_UP;
883     } else if (scroll->direction == GDK_SCROLL_DOWN) {
884         btn = INPUT_BUTTON_WHEEL_DOWN;
885     } else {
886         return TRUE;
887     }
888 
889     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
890     qemu_input_event_sync();
891     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
892     qemu_input_event_sync();
893     return TRUE;
894 }
895 
896 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
897 {
898     int qemu_keycode;
899 
900 #ifdef GDK_WINDOWING_WIN32
901     if (GDK_IS_WIN32_DISPLAY(dpy)) {
902         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
903         switch (qemu_keycode) {
904         case 103:   /* alt gr */
905             qemu_keycode = 56 | SCANCODE_GREY;
906             break;
907         }
908         return qemu_keycode;
909     }
910 #endif
911 
912     if (gdk_keycode < 9) {
913         qemu_keycode = 0;
914     } else if (gdk_keycode < 97) {
915         qemu_keycode = gdk_keycode - 8;
916 #ifdef GDK_WINDOWING_X11
917     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
918         if (s->has_evdev) {
919             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
920         } else {
921             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
922         }
923 #endif
924     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
925         qemu_keycode = 0x70;
926     } else if (gdk_keycode == 211) { /* backslash */
927         qemu_keycode = 0x73;
928     } else {
929         qemu_keycode = 0;
930     }
931 
932     return qemu_keycode;
933 }
934 
935 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
936 {
937     VirtualConsole *vc = opaque;
938     GtkDisplayState *s = vc->s;
939     int gdk_keycode = key->hardware_keycode;
940     int qemu_keycode;
941     int i;
942 
943     if (key->keyval == GDK_KEY_Pause) {
944         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
945                                         key->type == GDK_KEY_PRESS);
946         return TRUE;
947     }
948 
949     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
950                                   gdk_keycode);
951 
952     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
953                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
954 
955     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
956         if (qemu_keycode == modifier_keycode[i]) {
957             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
958         }
959     }
960 
961     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
962                                      key->type == GDK_KEY_PRESS);
963 
964     return TRUE;
965 }
966 
967 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
968 {
969     if (event->type == GDK_MOTION_NOTIFY) {
970         return gd_motion_event(widget, &event->motion, opaque);
971     }
972     return FALSE;
973 }
974 
975 /** Window Menu Actions **/
976 
977 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
978 {
979     GtkDisplayState *s = opaque;
980 
981     if (s->external_pause_update) {
982         return;
983     }
984     if (runstate_is_running()) {
985         qmp_stop(NULL);
986     } else {
987         qmp_cont(NULL);
988     }
989 }
990 
991 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
992 {
993     qmp_system_reset(NULL);
994 }
995 
996 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
997 {
998     qmp_system_powerdown(NULL);
999 }
1000 
1001 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1002 {
1003     qmp_quit(NULL);
1004 }
1005 
1006 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1007 {
1008     GtkDisplayState *s = opaque;
1009     VirtualConsole *vc = gd_vc_find_by_menu(s);
1010     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1011     GtkWidget *child;
1012     gint page;
1013 
1014     gtk_release_modifiers(s);
1015     if (vc) {
1016         page = gtk_notebook_page_num(nb, vc->tab_item);
1017         gtk_notebook_set_current_page(nb, page);
1018         child = gtk_notebook_get_nth_page(nb, page);
1019         gtk_widget_grab_focus(child);
1020     }
1021 }
1022 
1023 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1024 {
1025     GtkDisplayState *s = opaque;
1026     VirtualConsole *vc = gd_vc_find_current(s);
1027 
1028     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1029         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1030     } else {
1031         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1032     }
1033     gd_update_windowsize(vc);
1034 }
1035 
1036 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1037                                     void *opaque)
1038 {
1039     VirtualConsole *vc = opaque;
1040     GtkDisplayState *s = vc->s;
1041 
1042     gtk_widget_set_sensitive(vc->menu_item, true);
1043     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1044     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1045                                     vc->tab_item, vc->label);
1046     gtk_widget_destroy(vc->window);
1047     vc->window = NULL;
1048     return TRUE;
1049 }
1050 
1051 static gboolean gd_win_grab(void *opaque)
1052 {
1053     VirtualConsole *vc = opaque;
1054 
1055     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1056     if (vc->s->ptr_owner) {
1057         gd_ungrab_pointer(vc->s);
1058     } else {
1059         gd_grab_pointer(vc);
1060     }
1061     gd_update_caption(vc->s);
1062     return TRUE;
1063 }
1064 
1065 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1066 {
1067     GtkDisplayState *s = opaque;
1068     VirtualConsole *vc = gd_vc_find_current(s);
1069 
1070     if (vc->type == GD_VC_GFX) {
1071         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1072                                        FALSE);
1073     }
1074     if (!vc->window) {
1075         gtk_widget_set_sensitive(vc->menu_item, false);
1076         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1077         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1078 
1079         g_signal_connect(vc->window, "delete-event",
1080                          G_CALLBACK(gd_tab_window_close), vc);
1081         gtk_widget_show_all(vc->window);
1082 
1083         GtkAccelGroup *ag = gtk_accel_group_new();
1084         gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1085 
1086         GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab), vc, NULL);
1087         gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1088 
1089         gd_update_geometry_hints(vc);
1090         gd_update_caption(s);
1091     }
1092 }
1093 
1094 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1095 {
1096     GtkDisplayState *s = opaque;
1097     VirtualConsole *vc = gd_vc_find_current(s);
1098 
1099     if (!s->full_screen) {
1100         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1101         gtk_widget_set_size_request(s->menu_bar, 0, 0);
1102         if (vc->type == GD_VC_GFX) {
1103             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1104             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1105                                            TRUE);
1106         }
1107         gtk_window_fullscreen(GTK_WINDOW(s->window));
1108         s->full_screen = TRUE;
1109     } else {
1110         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1111         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1112         gtk_widget_set_size_request(s->menu_bar, -1, -1);
1113         s->full_screen = FALSE;
1114         if (vc->type == GD_VC_GFX) {
1115             vc->gfx.scale_x = 1.0;
1116             vc->gfx.scale_y = 1.0;
1117             gd_update_windowsize(vc);
1118             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1119                                            FALSE);
1120         }
1121     }
1122 
1123     gd_update_cursor(vc);
1124 }
1125 
1126 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1127 {
1128     GtkDisplayState *s = opaque;
1129     VirtualConsole *vc = gd_vc_find_current(s);
1130 
1131     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1132                                    FALSE);
1133 
1134     vc->gfx.scale_x += VC_SCALE_STEP;
1135     vc->gfx.scale_y += VC_SCALE_STEP;
1136 
1137     gd_update_windowsize(vc);
1138 }
1139 
1140 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1141 {
1142     GtkDisplayState *s = opaque;
1143     VirtualConsole *vc = gd_vc_find_current(s);
1144 
1145     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1146                                    FALSE);
1147 
1148     vc->gfx.scale_x -= VC_SCALE_STEP;
1149     vc->gfx.scale_y -= VC_SCALE_STEP;
1150 
1151     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1152     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1153 
1154     gd_update_windowsize(vc);
1155 }
1156 
1157 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1158 {
1159     GtkDisplayState *s = opaque;
1160     VirtualConsole *vc = gd_vc_find_current(s);
1161 
1162     vc->gfx.scale_x = 1.0;
1163     vc->gfx.scale_y = 1.0;
1164 
1165     gd_update_windowsize(vc);
1166 }
1167 
1168 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1169 {
1170     GtkDisplayState *s = opaque;
1171     VirtualConsole *vc = gd_vc_find_current(s);
1172 
1173     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1174         s->free_scale = TRUE;
1175     } else {
1176         s->free_scale = FALSE;
1177         vc->gfx.scale_x = 1.0;
1178         vc->gfx.scale_y = 1.0;
1179     }
1180 
1181     gd_update_windowsize(vc);
1182     gd_update_full_redraw(vc);
1183 }
1184 
1185 #if GTK_CHECK_VERSION(3, 0, 0)
1186 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1187                             GdkInputSource source, GdkEventMask mask,
1188                             GdkCursor *cursor)
1189 {
1190     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1191     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1192     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1193     GList *tmp = devs;
1194 
1195     for (tmp = devs; tmp; tmp = tmp->next) {
1196         GdkDevice *dev = tmp->data;
1197         if (gdk_device_get_source(dev) != source) {
1198             continue;
1199         }
1200         if (grab) {
1201             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1202             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1203                             mask, cursor, GDK_CURRENT_TIME);
1204         } else {
1205             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1206         }
1207     }
1208     g_list_free(devs);
1209 }
1210 #endif
1211 
1212 static void gd_grab_keyboard(VirtualConsole *vc)
1213 {
1214 #if GTK_CHECK_VERSION(3, 0, 0)
1215     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1216                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1217                    NULL);
1218 #else
1219     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1220                       FALSE,
1221                       GDK_CURRENT_TIME);
1222 #endif
1223     vc->s->kbd_owner = vc;
1224     trace_gd_grab(vc->label, "kbd", true);
1225 }
1226 
1227 static void gd_ungrab_keyboard(GtkDisplayState *s)
1228 {
1229     VirtualConsole *vc = s->kbd_owner;
1230 
1231     if (vc == NULL) {
1232         return;
1233     }
1234     s->kbd_owner = NULL;
1235 
1236 #if GTK_CHECK_VERSION(3, 0, 0)
1237     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1238 #else
1239     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1240 #endif
1241     trace_gd_grab(vc->label, "kbd", false);
1242 }
1243 
1244 static void gd_grab_pointer(VirtualConsole *vc)
1245 {
1246     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1247 #if GTK_CHECK_VERSION(3, 0, 0)
1248     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1249     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1250                     GDK_POINTER_MOTION_MASK |
1251                     GDK_BUTTON_PRESS_MASK |
1252                     GDK_BUTTON_RELEASE_MASK |
1253                     GDK_BUTTON_MOTION_MASK |
1254                     GDK_SCROLL_MASK,
1255                     vc->s->null_cursor);
1256     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1257                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1258 #else
1259     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1260                      FALSE, /* All events to come to our window directly */
1261                      GDK_POINTER_MOTION_MASK |
1262                      GDK_BUTTON_PRESS_MASK |
1263                      GDK_BUTTON_RELEASE_MASK |
1264                      GDK_BUTTON_MOTION_MASK |
1265                      GDK_SCROLL_MASK,
1266                      NULL, /* Allow cursor to move over entire desktop */
1267                      vc->s->null_cursor,
1268                      GDK_CURRENT_TIME);
1269     gdk_display_get_pointer(display, NULL,
1270                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1271 #endif
1272     vc->s->ptr_owner = vc;
1273     trace_gd_grab(vc->label, "ptr", true);
1274 }
1275 
1276 static void gd_ungrab_pointer(GtkDisplayState *s)
1277 {
1278     VirtualConsole *vc = s->ptr_owner;
1279 
1280     if (vc == NULL) {
1281         return;
1282     }
1283     s->ptr_owner = NULL;
1284 
1285     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1286 #if GTK_CHECK_VERSION(3, 0, 0)
1287     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1288     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1289     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1290                     gtk_widget_get_screen(vc->gfx.drawing_area),
1291                     vc->s->grab_x_root, vc->s->grab_y_root);
1292 #else
1293     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1294     gdk_display_warp_pointer(display,
1295                              gtk_widget_get_screen(vc->gfx.drawing_area),
1296                              vc->s->grab_x_root, vc->s->grab_y_root);
1297 #endif
1298     trace_gd_grab(vc->label, "ptr", false);
1299 }
1300 
1301 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1302 {
1303     GtkDisplayState *s = opaque;
1304     VirtualConsole *vc = gd_vc_find_current(s);
1305 
1306     if (gd_is_grab_active(s)) {
1307         if (!gd_grab_on_hover(s)) {
1308             gd_grab_keyboard(vc);
1309         }
1310         gd_grab_pointer(vc);
1311     } else {
1312         gd_ungrab_keyboard(s);
1313         gd_ungrab_pointer(s);
1314     }
1315 
1316     gd_update_caption(s);
1317     gd_update_cursor(vc);
1318 }
1319 
1320 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1321                            gpointer data)
1322 {
1323     GtkDisplayState *s = data;
1324     VirtualConsole *vc;
1325     gboolean on_vga;
1326 
1327     if (!gtk_widget_get_realized(s->notebook)) {
1328         return;
1329     }
1330 
1331 #ifdef VTE_RESIZE_HACK
1332     vc = gd_vc_find_current(s);
1333     if (vc && vc->type == GD_VC_VTE) {
1334         gtk_widget_hide(vc->vte.terminal);
1335     }
1336 #endif
1337     vc = gd_vc_find_by_page(s, arg2);
1338     if (!vc) {
1339         return;
1340     }
1341 #ifdef VTE_RESIZE_HACK
1342     if (vc->type == GD_VC_VTE) {
1343         gtk_widget_show(vc->vte.terminal);
1344     }
1345 #endif
1346     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1347                                    TRUE);
1348     on_vga = (vc->type == GD_VC_GFX);
1349     if (!on_vga) {
1350         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1351                                        FALSE);
1352     } else if (s->full_screen) {
1353         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1354                                        TRUE);
1355     }
1356     gtk_widget_set_sensitive(s->grab_item, on_vga);
1357 
1358     gd_update_windowsize(vc);
1359     gd_update_cursor(vc);
1360 }
1361 
1362 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1363                                gpointer opaque)
1364 {
1365     VirtualConsole *vc = opaque;
1366     GtkDisplayState *s = vc->s;
1367 
1368     if (gd_grab_on_hover(s)) {
1369         gd_ungrab_keyboard(s);
1370         gd_grab_keyboard(vc);
1371         gd_update_caption(s);
1372     }
1373     return TRUE;
1374 }
1375 
1376 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1377                                gpointer opaque)
1378 {
1379     VirtualConsole *vc = opaque;
1380     GtkDisplayState *s = vc->s;
1381 
1382     if (gd_grab_on_hover(s)) {
1383         gd_ungrab_keyboard(s);
1384         gd_update_caption(s);
1385     }
1386     return TRUE;
1387 }
1388 
1389 static gboolean gd_focus_out_event(GtkWidget *widget,
1390                                    GdkEventCrossing *crossing, gpointer opaque)
1391 {
1392     VirtualConsole *vc = opaque;
1393     GtkDisplayState *s = vc->s;
1394 
1395     gtk_release_modifiers(s);
1396     return TRUE;
1397 }
1398 
1399 /** Virtual Console Callbacks **/
1400 
1401 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1402                                int idx, GSList *group, GtkWidget *view_menu)
1403 {
1404     char path[32];
1405 
1406     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", idx);
1407 
1408     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1409     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1410     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1411     gtk_accel_map_add_entry(path, GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1412 
1413     g_signal_connect(vc->menu_item, "activate",
1414                      G_CALLBACK(gd_menu_switch_vc), s);
1415     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1416 
1417     return group;
1418 }
1419 
1420 #if defined(CONFIG_VTE)
1421 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1422 {
1423     VirtualConsole *vc = opaque;
1424 
1425     if (gtk_adjustment_get_upper(adjustment) >
1426         gtk_adjustment_get_page_size(adjustment)) {
1427         gtk_widget_show(vc->vte.scrollbar);
1428     } else {
1429         gtk_widget_hide(vc->vte.scrollbar);
1430     }
1431 }
1432 
1433 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1434 {
1435     VirtualConsole *vc = chr->opaque;
1436 
1437     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1438     return len;
1439 }
1440 
1441 static int nb_vcs;
1442 static CharDriverState *vcs[MAX_VCS];
1443 
1444 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1445 {
1446     CharDriverState *chr;
1447 
1448     chr = g_malloc0(sizeof(*chr));
1449     chr->chr_write = gd_vc_chr_write;
1450     /* defer OPENED events until our vc is fully initialized */
1451     chr->explicit_be_open = true;
1452 
1453     vcs[nb_vcs++] = chr;
1454 
1455     return chr;
1456 }
1457 
1458 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1459                          gpointer user_data)
1460 {
1461     VirtualConsole *vc = user_data;
1462 
1463     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1464     return TRUE;
1465 }
1466 
1467 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1468                               CharDriverState *chr, int idx,
1469                               GSList *group, GtkWidget *view_menu)
1470 {
1471     char buffer[32];
1472     GtkWidget *box;
1473     GtkWidget *scrollbar;
1474     GtkAdjustment *vadjustment;
1475 
1476     vc->s = s;
1477     vc->vte.chr = chr;
1478 
1479     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1480     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1481                                 ? vc->vte.chr->label : buffer);
1482     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1483 
1484     vc->vte.terminal = vte_terminal_new();
1485     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1486 
1487     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1488     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1489                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1490 
1491 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1492     vadjustment = gtk_scrollable_get_vadjustment
1493         (GTK_SCROLLABLE(vc->vte.terminal));
1494 #else
1495     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1496 #endif
1497 
1498 #if GTK_CHECK_VERSION(3, 0, 0)
1499     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1500     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1501 #else
1502     box = gtk_hbox_new(false, 2);
1503     scrollbar = gtk_vscrollbar_new(vadjustment);
1504 #endif
1505 
1506     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1507     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1508 
1509     vc->vte.chr->opaque = vc;
1510     vc->vte.box = box;
1511     vc->vte.scrollbar = scrollbar;
1512 
1513     g_signal_connect(vadjustment, "changed",
1514                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1515 
1516     vc->type = GD_VC_VTE;
1517     vc->tab_item = box;
1518     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1519                              gtk_label_new(vc->label));
1520 
1521     qemu_chr_be_generic_open(vc->vte.chr);
1522     if (vc->vte.chr->init) {
1523         vc->vte.chr->init(vc->vte.chr);
1524     }
1525 
1526     return group;
1527 }
1528 
1529 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1530                         GtkWidget *view_menu)
1531 {
1532     int i;
1533 
1534     for (i = 0; i < nb_vcs; i++) {
1535         VirtualConsole *vc = &s->vc[s->nb_vcs];
1536         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1537         s->nb_vcs++;
1538     }
1539 }
1540 #endif /* CONFIG_VTE */
1541 
1542 /** Window Creation **/
1543 
1544 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1545 {
1546 #if GTK_CHECK_VERSION(3, 0, 0)
1547     g_signal_connect(vc->gfx.drawing_area, "draw",
1548                      G_CALLBACK(gd_draw_event), vc);
1549 #else
1550     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1551                      G_CALLBACK(gd_expose_event), vc);
1552 #endif
1553     g_signal_connect(vc->gfx.drawing_area, "event",
1554                      G_CALLBACK(gd_event), vc);
1555     g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1556                      G_CALLBACK(gd_button_event), vc);
1557     g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1558                      G_CALLBACK(gd_button_event), vc);
1559     g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1560                      G_CALLBACK(gd_scroll_event), vc);
1561     g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1562                      G_CALLBACK(gd_key_event), vc);
1563     g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1564                      G_CALLBACK(gd_key_event), vc);
1565 
1566     g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1567                      G_CALLBACK(gd_enter_event), vc);
1568     g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1569                      G_CALLBACK(gd_leave_event), vc);
1570     g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1571                      G_CALLBACK(gd_focus_out_event), vc);
1572 }
1573 
1574 static void gd_connect_signals(GtkDisplayState *s)
1575 {
1576     g_signal_connect(s->show_tabs_item, "activate",
1577                      G_CALLBACK(gd_menu_show_tabs), s);
1578     g_signal_connect(s->untabify_item, "activate",
1579                      G_CALLBACK(gd_menu_untabify), s);
1580 
1581     g_signal_connect(s->window, "delete-event",
1582                      G_CALLBACK(gd_window_close), s);
1583 
1584     g_signal_connect(s->pause_item, "activate",
1585                      G_CALLBACK(gd_menu_pause), s);
1586     g_signal_connect(s->reset_item, "activate",
1587                      G_CALLBACK(gd_menu_reset), s);
1588     g_signal_connect(s->powerdown_item, "activate",
1589                      G_CALLBACK(gd_menu_powerdown), s);
1590     g_signal_connect(s->quit_item, "activate",
1591                      G_CALLBACK(gd_menu_quit), s);
1592     g_signal_connect(s->full_screen_item, "activate",
1593                      G_CALLBACK(gd_menu_full_screen), s);
1594     g_signal_connect(s->zoom_in_item, "activate",
1595                      G_CALLBACK(gd_menu_zoom_in), s);
1596     g_signal_connect(s->zoom_out_item, "activate",
1597                      G_CALLBACK(gd_menu_zoom_out), s);
1598     g_signal_connect(s->zoom_fixed_item, "activate",
1599                      G_CALLBACK(gd_menu_zoom_fixed), s);
1600     g_signal_connect(s->zoom_fit_item, "activate",
1601                      G_CALLBACK(gd_menu_zoom_fit), s);
1602     g_signal_connect(s->grab_item, "activate",
1603                      G_CALLBACK(gd_menu_grab_input), s);
1604     g_signal_connect(s->notebook, "switch-page",
1605                      G_CALLBACK(gd_change_page), s);
1606 }
1607 
1608 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
1609 {
1610     GtkWidget *machine_menu;
1611     GtkWidget *separator;
1612 
1613     machine_menu = gtk_menu_new();
1614     gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
1615 
1616     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1617     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1618 
1619     separator = gtk_separator_menu_item_new();
1620     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1621 
1622     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1623     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1624 
1625     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1626     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1627 
1628     separator = gtk_separator_menu_item_new();
1629     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1630 
1631     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1632     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1633                                  "<QEMU>/Machine/Quit");
1634     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1635                             GDK_KEY_q, HOTKEY_MODIFIERS);
1636     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1637 
1638     return machine_menu;
1639 }
1640 
1641 static const DisplayChangeListenerOps dcl_ops = {
1642     .dpy_name          = "gtk",
1643     .dpy_gfx_update    = gd_update,
1644     .dpy_gfx_switch    = gd_switch,
1645     .dpy_refresh       = gd_refresh,
1646     .dpy_mouse_set     = gd_mouse_set,
1647     .dpy_cursor_define = gd_cursor_define,
1648 };
1649 
1650 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1651                               QemuConsole *con, int idx,
1652                               GSList *group, GtkWidget *view_menu)
1653 {
1654     Error *local_err = NULL;
1655     Object *obj;
1656 
1657     obj = object_property_get_link(OBJECT(con), "device", &local_err);
1658     if (obj) {
1659         vc->label = g_strdup_printf("%s", object_get_typename(obj));
1660     } else {
1661         vc->label = g_strdup_printf("VGA");
1662     }
1663 
1664     vc->s = s;
1665     vc->gfx.scale_x = 1.0;
1666     vc->gfx.scale_y = 1.0;
1667 
1668     vc->gfx.drawing_area = gtk_drawing_area_new();
1669     gtk_widget_add_events(vc->gfx.drawing_area,
1670                           GDK_POINTER_MOTION_MASK |
1671                           GDK_BUTTON_PRESS_MASK |
1672                           GDK_BUTTON_RELEASE_MASK |
1673                           GDK_BUTTON_MOTION_MASK |
1674                           GDK_ENTER_NOTIFY_MASK |
1675                           GDK_LEAVE_NOTIFY_MASK |
1676                           GDK_SCROLL_MASK |
1677                           GDK_KEY_PRESS_MASK);
1678     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1679 
1680     vc->type = GD_VC_GFX;
1681     vc->tab_item = vc->gfx.drawing_area;
1682     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1683                              vc->tab_item, gtk_label_new(vc->label));
1684     gd_connect_vc_gfx_signals(vc);
1685 
1686     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1687 
1688     vc->gfx.dcl.ops = &dcl_ops;
1689     vc->gfx.dcl.con = con;
1690     register_displaychangelistener(&vc->gfx.dcl);
1691 
1692     return group;
1693 }
1694 
1695 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
1696 {
1697     GSList *group = NULL;
1698     GtkWidget *view_menu;
1699     GtkWidget *separator;
1700     QemuConsole *con;
1701     int vc;
1702 
1703     view_menu = gtk_menu_new();
1704     gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
1705 
1706     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1707     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1708                                  "<QEMU>/View/Full Screen");
1709     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
1710                             HOTKEY_MODIFIERS);
1711     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1712 
1713     separator = gtk_separator_menu_item_new();
1714     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1715 
1716     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1717     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1718                                  "<QEMU>/View/Zoom In");
1719     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1720                             HOTKEY_MODIFIERS);
1721     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1722 
1723     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1724     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1725                                  "<QEMU>/View/Zoom Out");
1726     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1727                             HOTKEY_MODIFIERS);
1728     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1729 
1730     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1731     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1732                                  "<QEMU>/View/Zoom Fixed");
1733     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1734                             HOTKEY_MODIFIERS);
1735     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1736 
1737     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1738     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1739 
1740     separator = gtk_separator_menu_item_new();
1741     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1742 
1743     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1744     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1745 
1746     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1747     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1748                                  "<QEMU>/View/Grab Input");
1749     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1750                             HOTKEY_MODIFIERS);
1751     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1752 
1753     separator = gtk_separator_menu_item_new();
1754     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1755 
1756     /* gfx */
1757     for (vc = 0;; vc++) {
1758         con = qemu_console_lookup_by_index(vc);
1759         if (!con || !qemu_console_is_graphic(con)) {
1760             break;
1761         }
1762         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1763                                vc, group, view_menu);
1764         s->nb_vcs++;
1765     }
1766 
1767 #if defined(CONFIG_VTE)
1768     /* vte */
1769     gd_vcs_init(s, group, view_menu);
1770 #endif
1771 
1772     separator = gtk_separator_menu_item_new();
1773     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1774 
1775     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1776     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1777 
1778     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1779     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1780 
1781     return view_menu;
1782 }
1783 
1784 static void gd_create_menus(GtkDisplayState *s)
1785 {
1786     GtkAccelGroup *accel_group;
1787 
1788     accel_group = gtk_accel_group_new();
1789     s->machine_menu = gd_create_menu_machine(s, accel_group);
1790     s->view_menu = gd_create_menu_view(s, accel_group);
1791 
1792     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1793     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1794                               s->machine_menu);
1795     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1796 
1797     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1798     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1799     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1800 
1801     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1802     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1803     s->accel_group = accel_group;
1804 }
1805 
1806 static void gd_set_keycode_type(GtkDisplayState *s)
1807 {
1808 #ifdef GDK_WINDOWING_X11
1809     GdkDisplay *display = gtk_widget_get_display(s->window);
1810     if (GDK_IS_X11_DISPLAY(display)) {
1811         Display *x11_display = gdk_x11_display_get_xdisplay(display);
1812         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
1813                                          XkbUseCoreKbd);
1814         char *keycodes = NULL;
1815 
1816         if (desc && desc->names) {
1817             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
1818         }
1819         if (keycodes == NULL) {
1820             fprintf(stderr, "could not lookup keycode name\n");
1821         } else if (strstart(keycodes, "evdev", NULL)) {
1822             s->has_evdev = true;
1823         } else if (!strstart(keycodes, "xfree86", NULL)) {
1824             fprintf(stderr, "unknown keycodes `%s', please report to "
1825                     "qemu-devel@nongnu.org\n", keycodes);
1826         }
1827 
1828         if (desc) {
1829             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
1830         }
1831         if (keycodes) {
1832             XFree(keycodes);
1833         }
1834     }
1835 #endif
1836 }
1837 
1838 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1839 {
1840     GtkDisplayState *s = g_malloc0(sizeof(*s));
1841     char *filename;
1842 
1843     gtk_init(NULL, NULL);
1844 
1845     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1846 #if GTK_CHECK_VERSION(3, 2, 0)
1847     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1848 #else
1849     s->vbox = gtk_vbox_new(FALSE, 0);
1850 #endif
1851     s->notebook = gtk_notebook_new();
1852     s->menu_bar = gtk_menu_bar_new();
1853 
1854     s->free_scale = FALSE;
1855 
1856     setlocale(LC_ALL, "");
1857     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1858     textdomain("qemu");
1859 
1860     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1861 
1862     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1863     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1864     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1865 
1866     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1867     if (filename) {
1868         GError *error = NULL;
1869         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1870         if (pixbuf) {
1871             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1872         } else {
1873             g_error_free(error);
1874         }
1875         g_free(filename);
1876     }
1877 
1878     gd_create_menus(s);
1879 
1880     gd_connect_signals(s);
1881 
1882     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1883     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1884 
1885     gd_update_caption(s);
1886 
1887     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1888     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1889 
1890     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1891 
1892     gtk_widget_show_all(s->window);
1893 
1894 #ifdef VTE_RESIZE_HACK
1895     {
1896         VirtualConsole *cur = gd_vc_find_current(s);
1897         int i;
1898 
1899         for (i = 0; i < s->nb_vcs; i++) {
1900             VirtualConsole *vc = &s->vc[i];
1901             if (vc && vc->type == GD_VC_VTE && vc != cur) {
1902                 gtk_widget_hide(vc->vte.terminal);
1903             }
1904         }
1905         gd_update_windowsize(cur);
1906     }
1907 #endif
1908 
1909     if (full_screen) {
1910         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1911     }
1912     if (grab_on_hover) {
1913         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1914     }
1915 
1916     gd_set_keycode_type(s);
1917 }
1918 
1919 void early_gtk_display_init(void)
1920 {
1921 #if defined(CONFIG_VTE)
1922     register_vc_handler(gd_vc_handler);
1923 #endif
1924 }
1925