xref: /openbmc/qemu/ui/gtk.c (revision 7b95a50858502485b0e159a1adabfa9912214147)
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 /** DisplayState Callbacks **/
439 
440 static void gd_update(DisplayChangeListener *dcl,
441                       int x, int y, int w, int h)
442 {
443     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
444     int x1, x2, y1, y2;
445     int mx, my;
446     int fbw, fbh;
447     int ww, wh;
448 
449     trace_gd_update(vc->label, x, y, w, h);
450 
451     if (vc->gfx.convert) {
452         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
453                                NULL, vc->gfx.convert,
454                                x, y, 0, 0, x, y, w, h);
455     }
456 
457     x1 = floor(x * vc->gfx.scale_x);
458     y1 = floor(y * vc->gfx.scale_y);
459 
460     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
461     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
462 
463     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
464     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
465 
466     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
467                           &ww, &wh);
468 
469     mx = my = 0;
470     if (ww > fbw) {
471         mx = (ww - fbw) / 2;
472     }
473     if (wh > fbh) {
474         my = (wh - fbh) / 2;
475     }
476 
477     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
478                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
479 }
480 
481 static void gd_refresh(DisplayChangeListener *dcl)
482 {
483     graphic_hw_update(dcl->con);
484 }
485 
486 #if GTK_CHECK_VERSION(3, 0, 0)
487 static void gd_mouse_set(DisplayChangeListener *dcl,
488                          int x, int y, int visible)
489 {
490     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
491     GdkDisplay *dpy;
492     GdkDeviceManager *mgr;
493     gint x_root, y_root;
494 
495     if (qemu_input_is_absolute()) {
496         return;
497     }
498 
499     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
500     mgr = gdk_display_get_device_manager(dpy);
501     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
502                                x, y, &x_root, &y_root);
503     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
504                     gtk_widget_get_screen(vc->gfx.drawing_area),
505                     x_root, y_root);
506 }
507 #else
508 static void gd_mouse_set(DisplayChangeListener *dcl,
509                          int x, int y, int visible)
510 {
511     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
512     gint x_root, y_root;
513 
514     if (qemu_input_is_absolute()) {
515         return;
516     }
517 
518     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
519                                x, y, &x_root, &y_root);
520     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
521                              gtk_widget_get_screen(vc->gfx.drawing_area),
522                              x_root, y_root);
523 }
524 #endif
525 
526 static void gd_cursor_define(DisplayChangeListener *dcl,
527                              QEMUCursor *c)
528 {
529     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
530     GdkPixbuf *pixbuf;
531     GdkCursor *cursor;
532 
533     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
534                                       GDK_COLORSPACE_RGB, true, 8,
535                                       c->width, c->height, c->width * 4,
536                                       NULL, NULL);
537     cursor = gdk_cursor_new_from_pixbuf
538         (gtk_widget_get_display(vc->gfx.drawing_area),
539          pixbuf, c->hot_x, c->hot_y);
540     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
541     g_object_unref(pixbuf);
542 #if !GTK_CHECK_VERSION(3, 0, 0)
543     gdk_cursor_unref(cursor);
544 #else
545     g_object_unref(cursor);
546 #endif
547 }
548 
549 static void gd_switch(DisplayChangeListener *dcl,
550                       DisplaySurface *surface)
551 {
552     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
553     bool resized = true;
554 
555     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
556 
557     if (vc->gfx.surface) {
558         cairo_surface_destroy(vc->gfx.surface);
559     }
560 
561     if (vc->gfx.ds &&
562         surface_width(vc->gfx.ds) == surface_width(surface) &&
563         surface_height(vc->gfx.ds) == surface_height(surface)) {
564         resized = false;
565     }
566     vc->gfx.ds = surface;
567 
568     if (vc->gfx.convert) {
569         pixman_image_unref(vc->gfx.convert);
570         vc->gfx.convert = NULL;
571     }
572 
573     if (surface->format == PIXMAN_x8r8g8b8) {
574         /*
575          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
576          *
577          * No need to convert, use surface directly.  Should be the
578          * common case as this is qemu_default_pixelformat(32) too.
579          */
580         vc->gfx.surface = cairo_image_surface_create_for_data
581             (surface_data(surface),
582              CAIRO_FORMAT_RGB24,
583              surface_width(surface),
584              surface_height(surface),
585              surface_stride(surface));
586     } else {
587         /* Must convert surface, use pixman to do it. */
588         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
589                                                    surface_width(surface),
590                                                    surface_height(surface),
591                                                    NULL, 0);
592         vc->gfx.surface = cairo_image_surface_create_for_data
593             ((void *)pixman_image_get_data(vc->gfx.convert),
594              CAIRO_FORMAT_RGB24,
595              pixman_image_get_width(vc->gfx.convert),
596              pixman_image_get_height(vc->gfx.convert),
597              pixman_image_get_stride(vc->gfx.convert));
598         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
599                                NULL, vc->gfx.convert,
600                                0, 0, 0, 0, 0, 0,
601                                pixman_image_get_width(vc->gfx.convert),
602                                pixman_image_get_height(vc->gfx.convert));
603     }
604 
605     if (resized) {
606         gd_update_windowsize(vc);
607     } else {
608         gd_update_full_redraw(vc);
609     }
610 }
611 
612 /** QEMU Events **/
613 
614 static void gd_change_runstate(void *opaque, int running, RunState state)
615 {
616     GtkDisplayState *s = opaque;
617 
618     gd_update_caption(s);
619 }
620 
621 static void gd_mouse_mode_change(Notifier *notify, void *data)
622 {
623     GtkDisplayState *s;
624     int i;
625 
626     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
627     /* release the grab at switching to absolute mode */
628     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
629         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
630                                        FALSE);
631     }
632     for (i = 0; i < s->nb_vcs; i++) {
633         VirtualConsole *vc = &s->vc[i];
634         gd_update_cursor(vc);
635     }
636 }
637 
638 /** GTK Events **/
639 
640 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
641                                 void *opaque)
642 {
643     GtkDisplayState *s = opaque;
644     int i;
645 
646     if (!no_quit) {
647         for (i = 0; i < s->nb_vcs; i++) {
648             if (s->vc[i].type != GD_VC_GFX) {
649                 continue;
650             }
651             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
652         }
653         qmp_quit(NULL);
654         return FALSE;
655     }
656 
657     return TRUE;
658 }
659 
660 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
661 {
662     VirtualConsole *vc = opaque;
663     GtkDisplayState *s = vc->s;
664     int mx, my;
665     int ww, wh;
666     int fbw, fbh;
667 
668     if (!gtk_widget_get_realized(widget)) {
669         return FALSE;
670     }
671 
672     fbw = surface_width(vc->gfx.ds);
673     fbh = surface_height(vc->gfx.ds);
674 
675     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
676 
677     if (s->full_screen) {
678         vc->gfx.scale_x = (double)ww / fbw;
679         vc->gfx.scale_y = (double)wh / fbh;
680     } else if (s->free_scale) {
681         double sx, sy;
682 
683         sx = (double)ww / fbw;
684         sy = (double)wh / fbh;
685 
686         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
687     }
688 
689     fbw *= vc->gfx.scale_x;
690     fbh *= vc->gfx.scale_y;
691 
692     mx = my = 0;
693     if (ww > fbw) {
694         mx = (ww - fbw) / 2;
695     }
696     if (wh > fbh) {
697         my = (wh - fbh) / 2;
698     }
699 
700     cairo_rectangle(cr, 0, 0, ww, wh);
701 
702     /* Optionally cut out the inner area where the pixmap
703        will be drawn. This avoids 'flashing' since we're
704        not double-buffering. Note we're using the undocumented
705        behaviour of drawing the rectangle from right to left
706        to cut out the whole */
707     cairo_rectangle(cr, mx + fbw, my,
708                     -1 * fbw, fbh);
709     cairo_fill(cr);
710 
711     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
712     cairo_set_source_surface(cr, vc->gfx.surface,
713                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
714     cairo_paint(cr);
715 
716     return TRUE;
717 }
718 
719 #if !GTK_CHECK_VERSION(3, 0, 0)
720 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
721                                 void *opaque)
722 {
723     cairo_t *cr;
724     gboolean ret;
725 
726     cr = gdk_cairo_create(gtk_widget_get_window(widget));
727     cairo_rectangle(cr,
728                     expose->area.x,
729                     expose->area.y,
730                     expose->area.width,
731                     expose->area.height);
732     cairo_clip(cr);
733 
734     ret = gd_draw_event(widget, cr, opaque);
735 
736     cairo_destroy(cr);
737 
738     return ret;
739 }
740 #endif
741 
742 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
743                                 void *opaque)
744 {
745     VirtualConsole *vc = opaque;
746     GtkDisplayState *s = vc->s;
747     int x, y;
748     int mx, my;
749     int fbh, fbw;
750     int ww, wh;
751 
752     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
753     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
754 
755     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
756                           &ww, &wh);
757 
758     mx = my = 0;
759     if (ww > fbw) {
760         mx = (ww - fbw) / 2;
761     }
762     if (wh > fbh) {
763         my = (wh - fbh) / 2;
764     }
765 
766     x = (motion->x - mx) / vc->gfx.scale_x;
767     y = (motion->y - my) / vc->gfx.scale_y;
768 
769     if (qemu_input_is_absolute()) {
770         if (x < 0 || y < 0 ||
771             x >= surface_width(vc->gfx.ds) ||
772             y >= surface_height(vc->gfx.ds)) {
773             return TRUE;
774         }
775         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
776                              surface_width(vc->gfx.ds));
777         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
778                              surface_height(vc->gfx.ds));
779         qemu_input_event_sync();
780     } else if (s->last_set && s->ptr_owner == vc) {
781         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
782         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
783         qemu_input_event_sync();
784     }
785     s->last_x = x;
786     s->last_y = y;
787     s->last_set = TRUE;
788 
789     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
790         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
791         int x = (int)motion->x_root;
792         int y = (int)motion->y_root;
793 
794         /* In relative mode check to see if client pointer hit
795          * one of the screen edges, and if so move it back by
796          * 200 pixels. This is important because the pointer
797          * in the server doesn't correspond 1-for-1, and so
798          * may still be only half way across the screen. Without
799          * this warp, the server pointer would thus appear to hit
800          * an invisible wall */
801         if (x == 0) {
802             x += 200;
803         }
804         if (y == 0) {
805             y += 200;
806         }
807         if (x == (gdk_screen_get_width(screen) - 1)) {
808             x -= 200;
809         }
810         if (y == (gdk_screen_get_height(screen) - 1)) {
811             y -= 200;
812         }
813 
814         if (x != (int)motion->x_root || y != (int)motion->y_root) {
815 #if GTK_CHECK_VERSION(3, 0, 0)
816             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
817             gdk_device_warp(dev, screen, x, y);
818 #else
819             GdkDisplay *display = gtk_widget_get_display(widget);
820             gdk_display_warp_pointer(display, screen, x, y);
821 #endif
822             s->last_set = FALSE;
823             return FALSE;
824         }
825     }
826     return TRUE;
827 }
828 
829 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
830                                 void *opaque)
831 {
832     VirtualConsole *vc = opaque;
833     GtkDisplayState *s = vc->s;
834     InputButton btn;
835 
836     /* implicitly grab the input at the first click in the relative mode */
837     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
838         !qemu_input_is_absolute() && s->ptr_owner != vc) {
839         gd_ungrab_pointer(s);
840         if (!vc->window) {
841             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
842                                            TRUE);
843         } else {
844             gd_grab_pointer(vc);
845             gd_update_caption(s);
846         }
847         return TRUE;
848     }
849 
850     if (button->button == 1) {
851         btn = INPUT_BUTTON_LEFT;
852     } else if (button->button == 2) {
853         btn = INPUT_BUTTON_MIDDLE;
854     } else if (button->button == 3) {
855         btn = INPUT_BUTTON_RIGHT;
856     } else {
857         return TRUE;
858     }
859 
860     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
861                          button->type == GDK_BUTTON_PRESS);
862     qemu_input_event_sync();
863     return TRUE;
864 }
865 
866 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
867                                 void *opaque)
868 {
869     VirtualConsole *vc = opaque;
870     InputButton btn;
871 
872     if (scroll->direction == GDK_SCROLL_UP) {
873         btn = INPUT_BUTTON_WHEEL_UP;
874     } else if (scroll->direction == GDK_SCROLL_DOWN) {
875         btn = INPUT_BUTTON_WHEEL_DOWN;
876     } else {
877         return TRUE;
878     }
879 
880     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
881     qemu_input_event_sync();
882     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
883     qemu_input_event_sync();
884     return TRUE;
885 }
886 
887 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
888 {
889     int qemu_keycode;
890 
891 #ifdef GDK_WINDOWING_WIN32
892     if (GDK_IS_WIN32_DISPLAY(dpy)) {
893         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
894         switch (qemu_keycode) {
895         case 103:   /* alt gr */
896             qemu_keycode = 56 | SCANCODE_GREY;
897             break;
898         }
899         return qemu_keycode;
900     }
901 #endif
902 
903     if (gdk_keycode < 9) {
904         qemu_keycode = 0;
905     } else if (gdk_keycode < 97) {
906         qemu_keycode = gdk_keycode - 8;
907 #ifdef GDK_WINDOWING_X11
908     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
909         if (s->has_evdev) {
910             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
911         } else {
912             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
913         }
914 #endif
915     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
916         qemu_keycode = 0x70;
917     } else if (gdk_keycode == 211) { /* backslash */
918         qemu_keycode = 0x73;
919     } else {
920         qemu_keycode = 0;
921     }
922 
923     return qemu_keycode;
924 }
925 
926 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
927 {
928     VirtualConsole *vc = opaque;
929     GtkDisplayState *s = vc->s;
930     int gdk_keycode = key->hardware_keycode;
931     int qemu_keycode;
932     int i;
933 
934     if (key->keyval == GDK_KEY_Pause) {
935         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
936                                         key->type == GDK_KEY_PRESS);
937         return TRUE;
938     }
939 
940     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
941                                   gdk_keycode);
942 
943     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
944                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
945 
946     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
947         if (qemu_keycode == modifier_keycode[i]) {
948             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
949         }
950     }
951 
952     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
953                                      key->type == GDK_KEY_PRESS);
954 
955     return TRUE;
956 }
957 
958 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
959 {
960     if (event->type == GDK_MOTION_NOTIFY) {
961         return gd_motion_event(widget, &event->motion, opaque);
962     }
963     return FALSE;
964 }
965 
966 /** Window Menu Actions **/
967 
968 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
969 {
970     GtkDisplayState *s = opaque;
971 
972     if (s->external_pause_update) {
973         return;
974     }
975     if (runstate_is_running()) {
976         qmp_stop(NULL);
977     } else {
978         qmp_cont(NULL);
979     }
980 }
981 
982 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
983 {
984     qmp_system_reset(NULL);
985 }
986 
987 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
988 {
989     qmp_system_powerdown(NULL);
990 }
991 
992 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
993 {
994     qmp_quit(NULL);
995 }
996 
997 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
998 {
999     GtkDisplayState *s = opaque;
1000     VirtualConsole *vc = gd_vc_find_by_menu(s);
1001     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1002     GtkWidget *child;
1003     gint page;
1004 
1005     gtk_release_modifiers(s);
1006     if (vc) {
1007         page = gtk_notebook_page_num(nb, vc->tab_item);
1008         gtk_notebook_set_current_page(nb, page);
1009         child = gtk_notebook_get_nth_page(nb, page);
1010         gtk_widget_grab_focus(child);
1011     }
1012 }
1013 
1014 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1015 {
1016     GtkDisplayState *s = opaque;
1017     VirtualConsole *vc = gd_vc_find_current(s);
1018 
1019     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1020         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1021     } else {
1022         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1023     }
1024     gd_update_windowsize(vc);
1025 }
1026 
1027 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1028                                     void *opaque)
1029 {
1030     VirtualConsole *vc = opaque;
1031     GtkDisplayState *s = vc->s;
1032 
1033     gtk_widget_set_sensitive(vc->menu_item, true);
1034     gtk_widget_reparent(vc->tab_item, s->notebook);
1035     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1036                                     vc->tab_item, vc->label);
1037     gtk_widget_destroy(vc->window);
1038     vc->window = NULL;
1039     return TRUE;
1040 }
1041 
1042 static gboolean gd_win_grab(void *opaque)
1043 {
1044     VirtualConsole *vc = opaque;
1045 
1046     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1047     if (vc->s->ptr_owner) {
1048         gd_ungrab_pointer(vc->s);
1049     } else {
1050         gd_grab_pointer(vc);
1051     }
1052     gd_update_caption(vc->s);
1053     return TRUE;
1054 }
1055 
1056 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1057 {
1058     GtkDisplayState *s = opaque;
1059     VirtualConsole *vc = gd_vc_find_current(s);
1060 
1061     if (vc->type == GD_VC_GFX) {
1062         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1063                                        FALSE);
1064     }
1065     if (!vc->window) {
1066         gtk_widget_set_sensitive(vc->menu_item, false);
1067         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1068         gtk_widget_reparent(vc->tab_item, vc->window);
1069 
1070         g_signal_connect(vc->window, "delete-event",
1071                          G_CALLBACK(gd_tab_window_close), vc);
1072         gtk_widget_show_all(vc->window);
1073 
1074         GtkAccelGroup *ag = gtk_accel_group_new();
1075         gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1076 
1077         GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab), vc, NULL);
1078         gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1079 
1080         gd_update_geometry_hints(vc);
1081         gd_update_caption(s);
1082     }
1083 }
1084 
1085 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1086 {
1087     GtkDisplayState *s = opaque;
1088     VirtualConsole *vc = gd_vc_find_current(s);
1089 
1090     if (!s->full_screen) {
1091         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1092         gtk_widget_set_size_request(s->menu_bar, 0, 0);
1093         if (vc->type == GD_VC_GFX) {
1094             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1095             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1096                                            TRUE);
1097         }
1098         gtk_window_fullscreen(GTK_WINDOW(s->window));
1099         s->full_screen = TRUE;
1100     } else {
1101         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1102         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1103         gtk_widget_set_size_request(s->menu_bar, -1, -1);
1104         s->full_screen = FALSE;
1105         if (vc->type == GD_VC_GFX) {
1106             vc->gfx.scale_x = 1.0;
1107             vc->gfx.scale_y = 1.0;
1108             gd_update_windowsize(vc);
1109             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1110                                            FALSE);
1111         }
1112     }
1113 
1114     gd_update_cursor(vc);
1115 }
1116 
1117 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1118 {
1119     GtkDisplayState *s = opaque;
1120     VirtualConsole *vc = gd_vc_find_current(s);
1121 
1122     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1123                                    FALSE);
1124 
1125     vc->gfx.scale_x += VC_SCALE_STEP;
1126     vc->gfx.scale_y += VC_SCALE_STEP;
1127 
1128     gd_update_windowsize(vc);
1129 }
1130 
1131 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1132 {
1133     GtkDisplayState *s = opaque;
1134     VirtualConsole *vc = gd_vc_find_current(s);
1135 
1136     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1137                                    FALSE);
1138 
1139     vc->gfx.scale_x -= VC_SCALE_STEP;
1140     vc->gfx.scale_y -= VC_SCALE_STEP;
1141 
1142     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1143     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1144 
1145     gd_update_windowsize(vc);
1146 }
1147 
1148 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1149 {
1150     GtkDisplayState *s = opaque;
1151     VirtualConsole *vc = gd_vc_find_current(s);
1152 
1153     vc->gfx.scale_x = 1.0;
1154     vc->gfx.scale_y = 1.0;
1155 
1156     gd_update_windowsize(vc);
1157 }
1158 
1159 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1160 {
1161     GtkDisplayState *s = opaque;
1162     VirtualConsole *vc = gd_vc_find_current(s);
1163 
1164     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1165         s->free_scale = TRUE;
1166     } else {
1167         s->free_scale = FALSE;
1168         vc->gfx.scale_x = 1.0;
1169         vc->gfx.scale_y = 1.0;
1170     }
1171 
1172     gd_update_windowsize(vc);
1173     gd_update_full_redraw(vc);
1174 }
1175 
1176 #if GTK_CHECK_VERSION(3, 0, 0)
1177 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1178                             GdkInputSource source, GdkEventMask mask,
1179                             GdkCursor *cursor)
1180 {
1181     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1182     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1183     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1184     GList *tmp = devs;
1185 
1186     for (tmp = devs; tmp; tmp = tmp->next) {
1187         GdkDevice *dev = tmp->data;
1188         if (gdk_device_get_source(dev) != source) {
1189             continue;
1190         }
1191         if (grab) {
1192             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1193             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1194                             mask, cursor, GDK_CURRENT_TIME);
1195         } else {
1196             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1197         }
1198     }
1199     g_list_free(devs);
1200 }
1201 #endif
1202 
1203 static void gd_grab_keyboard(VirtualConsole *vc)
1204 {
1205 #if GTK_CHECK_VERSION(3, 0, 0)
1206     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1207                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1208                    NULL);
1209 #else
1210     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1211                       FALSE,
1212                       GDK_CURRENT_TIME);
1213 #endif
1214     vc->s->kbd_owner = vc;
1215     trace_gd_grab(vc->label, "kbd", true);
1216 }
1217 
1218 static void gd_ungrab_keyboard(GtkDisplayState *s)
1219 {
1220     VirtualConsole *vc = s->kbd_owner;
1221 
1222     if (vc == NULL) {
1223         return;
1224     }
1225     s->kbd_owner = NULL;
1226 
1227 #if GTK_CHECK_VERSION(3, 0, 0)
1228     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1229 #else
1230     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1231 #endif
1232     trace_gd_grab(vc->label, "kbd", false);
1233 }
1234 
1235 static void gd_grab_pointer(VirtualConsole *vc)
1236 {
1237     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1238 #if GTK_CHECK_VERSION(3, 0, 0)
1239     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1240     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1241                     GDK_POINTER_MOTION_MASK |
1242                     GDK_BUTTON_PRESS_MASK |
1243                     GDK_BUTTON_RELEASE_MASK |
1244                     GDK_BUTTON_MOTION_MASK |
1245                     GDK_SCROLL_MASK,
1246                     vc->s->null_cursor);
1247     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1248                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1249 #else
1250     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1251                      FALSE, /* All events to come to our window directly */
1252                      GDK_POINTER_MOTION_MASK |
1253                      GDK_BUTTON_PRESS_MASK |
1254                      GDK_BUTTON_RELEASE_MASK |
1255                      GDK_BUTTON_MOTION_MASK |
1256                      GDK_SCROLL_MASK,
1257                      NULL, /* Allow cursor to move over entire desktop */
1258                      vc->s->null_cursor,
1259                      GDK_CURRENT_TIME);
1260     gdk_display_get_pointer(display, NULL,
1261                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1262 #endif
1263     vc->s->ptr_owner = vc;
1264     trace_gd_grab(vc->label, "ptr", true);
1265 }
1266 
1267 static void gd_ungrab_pointer(GtkDisplayState *s)
1268 {
1269     VirtualConsole *vc = s->ptr_owner;
1270 
1271     if (vc == NULL) {
1272         return;
1273     }
1274     s->ptr_owner = NULL;
1275 
1276     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1277 #if GTK_CHECK_VERSION(3, 0, 0)
1278     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1279     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1280     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1281                     gtk_widget_get_screen(vc->gfx.drawing_area),
1282                     vc->s->grab_x_root, vc->s->grab_y_root);
1283 #else
1284     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1285     gdk_display_warp_pointer(display,
1286                              gtk_widget_get_screen(vc->gfx.drawing_area),
1287                              vc->s->grab_x_root, vc->s->grab_y_root);
1288 #endif
1289     trace_gd_grab(vc->label, "ptr", false);
1290 }
1291 
1292 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1293 {
1294     GtkDisplayState *s = opaque;
1295     VirtualConsole *vc = gd_vc_find_current(s);
1296 
1297     if (gd_is_grab_active(s)) {
1298         if (!gd_grab_on_hover(s)) {
1299             gd_grab_keyboard(vc);
1300         }
1301         gd_grab_pointer(vc);
1302     } else {
1303         gd_ungrab_keyboard(s);
1304         gd_ungrab_pointer(s);
1305     }
1306 
1307     gd_update_caption(s);
1308     gd_update_cursor(vc);
1309 }
1310 
1311 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1312                            gpointer data)
1313 {
1314     GtkDisplayState *s = data;
1315     VirtualConsole *vc;
1316     gboolean on_vga;
1317 
1318     if (!gtk_widget_get_realized(s->notebook)) {
1319         return;
1320     }
1321 
1322 #ifdef VTE_RESIZE_HACK
1323     vc = gd_vc_find_current(s);
1324     if (vc && vc->type == GD_VC_VTE) {
1325         gtk_widget_hide(vc->vte.terminal);
1326     }
1327 #endif
1328     vc = gd_vc_find_by_page(s, arg2);
1329     if (!vc) {
1330         return;
1331     }
1332 #ifdef VTE_RESIZE_HACK
1333     if (vc->type == GD_VC_VTE) {
1334         gtk_widget_show(vc->vte.terminal);
1335     }
1336 #endif
1337     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1338                                    TRUE);
1339     on_vga = (vc->type == GD_VC_GFX);
1340     if (!on_vga) {
1341         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1342                                        FALSE);
1343     } else if (s->full_screen) {
1344         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1345                                        TRUE);
1346     }
1347     gtk_widget_set_sensitive(s->grab_item, on_vga);
1348 
1349     gd_update_windowsize(vc);
1350     gd_update_cursor(vc);
1351 }
1352 
1353 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1354                                gpointer opaque)
1355 {
1356     VirtualConsole *vc = opaque;
1357     GtkDisplayState *s = vc->s;
1358 
1359     if (gd_grab_on_hover(s)) {
1360         gd_ungrab_keyboard(s);
1361         gd_grab_keyboard(vc);
1362         gd_update_caption(s);
1363     }
1364     return TRUE;
1365 }
1366 
1367 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1368                                gpointer opaque)
1369 {
1370     VirtualConsole *vc = opaque;
1371     GtkDisplayState *s = vc->s;
1372 
1373     if (gd_grab_on_hover(s)) {
1374         gd_ungrab_keyboard(s);
1375         gd_update_caption(s);
1376     }
1377     return TRUE;
1378 }
1379 
1380 static gboolean gd_focus_out_event(GtkWidget *widget,
1381                                    GdkEventCrossing *crossing, gpointer opaque)
1382 {
1383     VirtualConsole *vc = opaque;
1384     GtkDisplayState *s = vc->s;
1385 
1386     gtk_release_modifiers(s);
1387     return TRUE;
1388 }
1389 
1390 /** Virtual Console Callbacks **/
1391 
1392 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1393                                int idx, GSList *group, GtkWidget *view_menu)
1394 {
1395     char path[32];
1396 
1397     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", idx);
1398 
1399     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1400     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1401     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1402     gtk_accel_map_add_entry(path, GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1403 
1404     g_signal_connect(vc->menu_item, "activate",
1405                      G_CALLBACK(gd_menu_switch_vc), s);
1406     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1407 
1408     return group;
1409 }
1410 
1411 #if defined(CONFIG_VTE)
1412 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1413 {
1414     VirtualConsole *vc = opaque;
1415 
1416     if (gtk_adjustment_get_upper(adjustment) >
1417         gtk_adjustment_get_page_size(adjustment)) {
1418         gtk_widget_show(vc->vte.scrollbar);
1419     } else {
1420         gtk_widget_hide(vc->vte.scrollbar);
1421     }
1422 }
1423 
1424 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1425 {
1426     VirtualConsole *vc = chr->opaque;
1427 
1428     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1429     return len;
1430 }
1431 
1432 static int nb_vcs;
1433 static CharDriverState *vcs[MAX_VCS];
1434 
1435 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1436 {
1437     CharDriverState *chr;
1438 
1439     chr = g_malloc0(sizeof(*chr));
1440     chr->chr_write = gd_vc_chr_write;
1441     /* defer OPENED events until our vc is fully initialized */
1442     chr->explicit_be_open = true;
1443 
1444     vcs[nb_vcs++] = chr;
1445 
1446     return chr;
1447 }
1448 
1449 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1450                          gpointer user_data)
1451 {
1452     VirtualConsole *vc = user_data;
1453 
1454     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1455     return TRUE;
1456 }
1457 
1458 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1459                               CharDriverState *chr, int idx,
1460                               GSList *group, GtkWidget *view_menu)
1461 {
1462     char buffer[32];
1463     GtkWidget *box;
1464     GtkWidget *scrollbar;
1465     GtkAdjustment *vadjustment;
1466 
1467     vc->s = s;
1468     vc->vte.chr = chr;
1469 
1470     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1471     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1472                                 ? vc->vte.chr->label : buffer);
1473     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1474 
1475     vc->vte.terminal = vte_terminal_new();
1476     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1477 
1478     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1479     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1480                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1481 
1482 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1483     vadjustment = gtk_scrollable_get_vadjustment
1484         (GTK_SCROLLABLE(vc->vte.terminal));
1485 #else
1486     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1487 #endif
1488 
1489 #if GTK_CHECK_VERSION(3, 0, 0)
1490     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1491     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1492 #else
1493     box = gtk_hbox_new(false, 2);
1494     scrollbar = gtk_vscrollbar_new(vadjustment);
1495 #endif
1496 
1497     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1498     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1499 
1500     vc->vte.chr->opaque = vc;
1501     vc->vte.box = box;
1502     vc->vte.scrollbar = scrollbar;
1503 
1504     g_signal_connect(vadjustment, "changed",
1505                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1506 
1507     vc->type = GD_VC_VTE;
1508     vc->tab_item = box;
1509     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1510                              gtk_label_new(vc->label));
1511 
1512     qemu_chr_be_generic_open(vc->vte.chr);
1513     if (vc->vte.chr->init) {
1514         vc->vte.chr->init(vc->vte.chr);
1515     }
1516 
1517     return group;
1518 }
1519 
1520 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1521                         GtkWidget *view_menu)
1522 {
1523     int i;
1524 
1525     for (i = 0; i < nb_vcs; i++) {
1526         VirtualConsole *vc = &s->vc[s->nb_vcs];
1527         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1528         s->nb_vcs++;
1529     }
1530 }
1531 #endif /* CONFIG_VTE */
1532 
1533 /** Window Creation **/
1534 
1535 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1536 {
1537 #if GTK_CHECK_VERSION(3, 0, 0)
1538     g_signal_connect(vc->gfx.drawing_area, "draw",
1539                      G_CALLBACK(gd_draw_event), vc);
1540 #else
1541     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1542                      G_CALLBACK(gd_expose_event), vc);
1543 #endif
1544     g_signal_connect(vc->gfx.drawing_area, "event",
1545                      G_CALLBACK(gd_event), vc);
1546     g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1547                      G_CALLBACK(gd_button_event), vc);
1548     g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1549                      G_CALLBACK(gd_button_event), vc);
1550     g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1551                      G_CALLBACK(gd_scroll_event), vc);
1552     g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1553                      G_CALLBACK(gd_key_event), vc);
1554     g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1555                      G_CALLBACK(gd_key_event), vc);
1556 
1557     g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1558                      G_CALLBACK(gd_enter_event), vc);
1559     g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1560                      G_CALLBACK(gd_leave_event), vc);
1561     g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1562                      G_CALLBACK(gd_focus_out_event), vc);
1563 }
1564 
1565 static void gd_connect_signals(GtkDisplayState *s)
1566 {
1567     g_signal_connect(s->show_tabs_item, "activate",
1568                      G_CALLBACK(gd_menu_show_tabs), s);
1569     g_signal_connect(s->untabify_item, "activate",
1570                      G_CALLBACK(gd_menu_untabify), s);
1571 
1572     g_signal_connect(s->window, "delete-event",
1573                      G_CALLBACK(gd_window_close), s);
1574 
1575     g_signal_connect(s->pause_item, "activate",
1576                      G_CALLBACK(gd_menu_pause), s);
1577     g_signal_connect(s->reset_item, "activate",
1578                      G_CALLBACK(gd_menu_reset), s);
1579     g_signal_connect(s->powerdown_item, "activate",
1580                      G_CALLBACK(gd_menu_powerdown), s);
1581     g_signal_connect(s->quit_item, "activate",
1582                      G_CALLBACK(gd_menu_quit), s);
1583     g_signal_connect(s->full_screen_item, "activate",
1584                      G_CALLBACK(gd_menu_full_screen), s);
1585     g_signal_connect(s->zoom_in_item, "activate",
1586                      G_CALLBACK(gd_menu_zoom_in), s);
1587     g_signal_connect(s->zoom_out_item, "activate",
1588                      G_CALLBACK(gd_menu_zoom_out), s);
1589     g_signal_connect(s->zoom_fixed_item, "activate",
1590                      G_CALLBACK(gd_menu_zoom_fixed), s);
1591     g_signal_connect(s->zoom_fit_item, "activate",
1592                      G_CALLBACK(gd_menu_zoom_fit), s);
1593     g_signal_connect(s->grab_item, "activate",
1594                      G_CALLBACK(gd_menu_grab_input), s);
1595     g_signal_connect(s->notebook, "switch-page",
1596                      G_CALLBACK(gd_change_page), s);
1597 }
1598 
1599 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
1600 {
1601     GtkWidget *machine_menu;
1602     GtkWidget *separator;
1603 
1604     machine_menu = gtk_menu_new();
1605     gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
1606 
1607     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1608     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1609 
1610     separator = gtk_separator_menu_item_new();
1611     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1612 
1613     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1614     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1615 
1616     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1617     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1618 
1619     separator = gtk_separator_menu_item_new();
1620     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1621 
1622     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1623     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1624                                  "<QEMU>/Machine/Quit");
1625     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1626                             GDK_KEY_q, HOTKEY_MODIFIERS);
1627     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1628 
1629     return machine_menu;
1630 }
1631 
1632 static const DisplayChangeListenerOps dcl_ops = {
1633     .dpy_name          = "gtk",
1634     .dpy_gfx_update    = gd_update,
1635     .dpy_gfx_switch    = gd_switch,
1636     .dpy_refresh       = gd_refresh,
1637     .dpy_mouse_set     = gd_mouse_set,
1638     .dpy_cursor_define = gd_cursor_define,
1639 };
1640 
1641 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1642                               QemuConsole *con, int idx,
1643                               GSList *group, GtkWidget *view_menu)
1644 {
1645     Error *local_err = NULL;
1646     Object *obj;
1647 
1648     obj = object_property_get_link(OBJECT(con), "device", &local_err);
1649     if (obj) {
1650         vc->label = g_strdup_printf("%s", object_get_typename(obj));
1651     } else {
1652         vc->label = g_strdup_printf("VGA");
1653     }
1654 
1655     vc->s = s;
1656     vc->gfx.scale_x = 1.0;
1657     vc->gfx.scale_y = 1.0;
1658 
1659     vc->gfx.drawing_area = gtk_drawing_area_new();
1660     gtk_widget_add_events(vc->gfx.drawing_area,
1661                           GDK_POINTER_MOTION_MASK |
1662                           GDK_BUTTON_PRESS_MASK |
1663                           GDK_BUTTON_RELEASE_MASK |
1664                           GDK_BUTTON_MOTION_MASK |
1665                           GDK_ENTER_NOTIFY_MASK |
1666                           GDK_LEAVE_NOTIFY_MASK |
1667                           GDK_SCROLL_MASK |
1668                           GDK_KEY_PRESS_MASK);
1669     gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1670     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1671 
1672     vc->type = GD_VC_GFX;
1673     vc->tab_item = vc->gfx.drawing_area;
1674     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1675                              vc->tab_item, gtk_label_new(vc->label));
1676     gd_connect_vc_gfx_signals(vc);
1677 
1678     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1679 
1680     vc->gfx.dcl.ops = &dcl_ops;
1681     vc->gfx.dcl.con = con;
1682     register_displaychangelistener(&vc->gfx.dcl);
1683 
1684     return group;
1685 }
1686 
1687 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
1688 {
1689     GSList *group = NULL;
1690     GtkWidget *view_menu;
1691     GtkWidget *separator;
1692     QemuConsole *con;
1693     int vc;
1694 
1695     view_menu = gtk_menu_new();
1696     gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
1697 
1698     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1699     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1700                                  "<QEMU>/View/Full Screen");
1701     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
1702                             HOTKEY_MODIFIERS);
1703     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1704 
1705     separator = gtk_separator_menu_item_new();
1706     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1707 
1708     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1709     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1710                                  "<QEMU>/View/Zoom In");
1711     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1712                             HOTKEY_MODIFIERS);
1713     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1714 
1715     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1716     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1717                                  "<QEMU>/View/Zoom Out");
1718     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1719                             HOTKEY_MODIFIERS);
1720     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1721 
1722     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1723     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1724                                  "<QEMU>/View/Zoom Fixed");
1725     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1726                             HOTKEY_MODIFIERS);
1727     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1728 
1729     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1730     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1731 
1732     separator = gtk_separator_menu_item_new();
1733     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1734 
1735     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1736     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1737 
1738     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1739     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1740                                  "<QEMU>/View/Grab Input");
1741     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1742                             HOTKEY_MODIFIERS);
1743     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1744 
1745     separator = gtk_separator_menu_item_new();
1746     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1747 
1748     /* gfx */
1749     for (vc = 0;; vc++) {
1750         con = qemu_console_lookup_by_index(vc);
1751         if (!con || !qemu_console_is_graphic(con)) {
1752             break;
1753         }
1754         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1755                                vc, group, view_menu);
1756         s->nb_vcs++;
1757     }
1758 
1759 #if defined(CONFIG_VTE)
1760     /* vte */
1761     gd_vcs_init(s, group, view_menu);
1762 #endif
1763 
1764     separator = gtk_separator_menu_item_new();
1765     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1766 
1767     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1768     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1769 
1770     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1771     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1772 
1773     return view_menu;
1774 }
1775 
1776 static void gd_create_menus(GtkDisplayState *s)
1777 {
1778     GtkAccelGroup *accel_group;
1779 
1780     accel_group = gtk_accel_group_new();
1781     s->machine_menu = gd_create_menu_machine(s, accel_group);
1782     s->view_menu = gd_create_menu_view(s, accel_group);
1783 
1784     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1785     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1786                               s->machine_menu);
1787     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1788 
1789     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1790     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1791     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1792 
1793     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1794     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1795     s->accel_group = accel_group;
1796 }
1797 
1798 static void gd_set_keycode_type(GtkDisplayState *s)
1799 {
1800 #ifdef GDK_WINDOWING_X11
1801     GdkDisplay *display = gtk_widget_get_display(s->window);
1802     if (GDK_IS_X11_DISPLAY(display)) {
1803         Display *x11_display = gdk_x11_display_get_xdisplay(display);
1804         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
1805                                          XkbUseCoreKbd);
1806         char *keycodes = NULL;
1807 
1808         if (desc && desc->names) {
1809             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
1810         }
1811         if (keycodes == NULL) {
1812             fprintf(stderr, "could not lookup keycode name\n");
1813         } else if (strstart(keycodes, "evdev", NULL)) {
1814             s->has_evdev = true;
1815         } else if (!strstart(keycodes, "xfree86", NULL)) {
1816             fprintf(stderr, "unknown keycodes `%s', please report to "
1817                     "qemu-devel@nongnu.org\n", keycodes);
1818         }
1819 
1820         if (desc) {
1821             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
1822         }
1823         if (keycodes) {
1824             XFree(keycodes);
1825         }
1826     }
1827 #endif
1828 }
1829 
1830 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1831 {
1832     GtkDisplayState *s = g_malloc0(sizeof(*s));
1833     char *filename;
1834 
1835     gtk_init(NULL, NULL);
1836 
1837     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1838 #if GTK_CHECK_VERSION(3, 2, 0)
1839     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1840 #else
1841     s->vbox = gtk_vbox_new(FALSE, 0);
1842 #endif
1843     s->notebook = gtk_notebook_new();
1844     s->menu_bar = gtk_menu_bar_new();
1845 
1846     s->free_scale = FALSE;
1847 
1848     setlocale(LC_ALL, "");
1849     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1850     textdomain("qemu");
1851 
1852     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1853 
1854     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1855     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1856     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1857 
1858     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1859     if (filename) {
1860         GError *error = NULL;
1861         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1862         if (pixbuf) {
1863             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1864         } else {
1865             g_error_free(error);
1866         }
1867         g_free(filename);
1868     }
1869 
1870     gd_create_menus(s);
1871 
1872     gd_connect_signals(s);
1873 
1874     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1875     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1876 
1877     gd_update_caption(s);
1878 
1879     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1880     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1881 
1882     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1883 
1884     gtk_widget_show_all(s->window);
1885 
1886 #ifdef VTE_RESIZE_HACK
1887     {
1888         VirtualConsole *cur = gd_vc_find_current(s);
1889         int i;
1890 
1891         for (i = 0; i < s->nb_vcs; i++) {
1892             VirtualConsole *vc = &s->vc[i];
1893             if (vc && vc->type == GD_VC_VTE && vc != cur) {
1894                 gtk_widget_hide(vc->vte.terminal);
1895             }
1896         }
1897         gd_update_windowsize(cur);
1898     }
1899 #endif
1900 
1901     if (full_screen) {
1902         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1903     }
1904     if (grab_on_hover) {
1905         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1906     }
1907 
1908     gd_set_keycode_type(s);
1909 }
1910 
1911 void early_gtk_display_init(void)
1912 {
1913 #if defined(CONFIG_VTE)
1914     register_vc_handler(gd_vc_handler);
1915 #endif
1916 }
1917