xref: /openbmc/qemu/ui/gtk.c (revision b45c03f5)
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 #include "qemu-common.h"
38 
39 #include "ui/console.h"
40 #include "ui/gtk.h"
41 
42 #include <glib/gi18n.h>
43 #include <locale.h>
44 #if defined(CONFIG_VTE)
45 #include <vte/vte.h>
46 #endif
47 #include <math.h>
48 
49 #include "trace.h"
50 #include "ui/input.h"
51 #include "sysemu/sysemu.h"
52 #include "qmp-commands.h"
53 #include "x_keymap.h"
54 #include "keymaps.h"
55 #include "sysemu/char.h"
56 #include "qom/object.h"
57 
58 #define MAX_VCS 10
59 #define VC_WINDOW_X_MIN  320
60 #define VC_WINDOW_Y_MIN  240
61 #define VC_TERM_X_MIN     80
62 #define VC_TERM_Y_MIN     25
63 #define VC_SCALE_MIN    0.25
64 #define VC_SCALE_STEP   0.25
65 
66 #if !defined(CONFIG_VTE)
67 # define VTE_CHECK_VERSION(a, b, c) 0
68 #endif
69 
70 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
71 /*
72  * The gtk2 vte terminal widget seriously messes up the window resize
73  * for some reason.  You basically can't make the qemu window smaller
74  * any more because the toplevel window geoemtry hints are overridden.
75  *
76  * Workaround that by hiding all vte widgets, except the one in the
77  * current tab.
78  *
79  * Luckily everything works smooth in gtk3.
80  */
81 # define VTE_RESIZE_HACK 1
82 #endif
83 
84 #if !GTK_CHECK_VERSION(2, 20, 0)
85 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
86 #endif
87 
88 #ifndef GDK_IS_X11_DISPLAY
89 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
90 #endif
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
93 #endif
94 
95 #ifndef GDK_KEY_0
96 #define GDK_KEY_0 GDK_0
97 #define GDK_KEY_1 GDK_1
98 #define GDK_KEY_2 GDK_2
99 #define GDK_KEY_f GDK_f
100 #define GDK_KEY_g GDK_g
101 #define GDK_KEY_q GDK_q
102 #define GDK_KEY_plus GDK_plus
103 #define GDK_KEY_minus GDK_minus
104 #define GDK_KEY_Pause GDK_Pause
105 #endif
106 
107 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
108 
109 static const int modifier_keycode[] = {
110     /* shift, control, alt keys, meta keys, both left & right */
111     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
112 };
113 
114 struct GtkDisplayState {
115     GtkWidget *window;
116 
117     GtkWidget *menu_bar;
118 
119     GtkAccelGroup *accel_group;
120 
121     GtkWidget *machine_menu_item;
122     GtkWidget *machine_menu;
123     GtkWidget *pause_item;
124     GtkWidget *reset_item;
125     GtkWidget *powerdown_item;
126     GtkWidget *quit_item;
127 
128     GtkWidget *view_menu_item;
129     GtkWidget *view_menu;
130     GtkWidget *full_screen_item;
131     GtkWidget *zoom_in_item;
132     GtkWidget *zoom_out_item;
133     GtkWidget *zoom_fixed_item;
134     GtkWidget *zoom_fit_item;
135     GtkWidget *grab_item;
136     GtkWidget *grab_on_hover_item;
137 
138     int nb_vcs;
139     VirtualConsole vc[MAX_VCS];
140 
141     GtkWidget *show_tabs_item;
142     GtkWidget *untabify_item;
143 
144     GtkWidget *vbox;
145     GtkWidget *notebook;
146     int button_mask;
147     gboolean last_set;
148     int last_x;
149     int last_y;
150     int grab_x_root;
151     int grab_y_root;
152     VirtualConsole *kbd_owner;
153     VirtualConsole *ptr_owner;
154 
155     gboolean full_screen;
156 
157     GdkCursor *null_cursor;
158     Notifier mouse_mode_notifier;
159     gboolean free_scale;
160 
161     bool external_pause_update;
162 
163     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
164     bool has_evdev;
165     bool ignore_keys;
166 };
167 
168 static void gd_grab_pointer(VirtualConsole *vc);
169 static void gd_ungrab_pointer(GtkDisplayState *s);
170 
171 /** Utility Functions **/
172 
173 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
174 {
175     VirtualConsole *vc;
176     gint i;
177 
178     for (i = 0; i < s->nb_vcs; i++) {
179         vc = &s->vc[i];
180         if (gtk_check_menu_item_get_active
181             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
182             return vc;
183         }
184     }
185     return NULL;
186 }
187 
188 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
189 {
190     VirtualConsole *vc;
191     gint i, p;
192 
193     for (i = 0; i < s->nb_vcs; i++) {
194         vc = &s->vc[i];
195         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
196         if (p == page) {
197             return vc;
198         }
199     }
200     return NULL;
201 }
202 
203 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
204 {
205     gint page;
206 
207     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
208     return gd_vc_find_by_page(s, page);
209 }
210 
211 static bool gd_is_grab_active(GtkDisplayState *s)
212 {
213     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
214 }
215 
216 static bool gd_grab_on_hover(GtkDisplayState *s)
217 {
218     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
219 }
220 
221 static void gd_update_cursor(VirtualConsole *vc)
222 {
223     GtkDisplayState *s = vc->s;
224     GdkWindow *window;
225 
226     if (vc->type != GD_VC_GFX ||
227         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
228         return;
229     }
230 
231     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
232         return;
233     }
234 
235     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
236     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
237         gdk_window_set_cursor(window, s->null_cursor);
238     } else {
239         gdk_window_set_cursor(window, NULL);
240     }
241 }
242 
243 static void gd_update_caption(GtkDisplayState *s)
244 {
245     const char *status = "";
246     gchar *prefix;
247     gchar *title;
248     const char *grab = "";
249     bool is_paused = !runstate_is_running();
250     int i;
251 
252     if (qemu_name) {
253         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
254     } else {
255         prefix = g_strdup_printf("QEMU");
256     }
257 
258     if (s->ptr_owner != NULL &&
259         s->ptr_owner->window == NULL) {
260         grab = _(" - Press Ctrl+Alt+G to release grab");
261     }
262 
263     if (is_paused) {
264         status = _(" [Paused]");
265     }
266     s->external_pause_update = true;
267     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
268                                    is_paused);
269     s->external_pause_update = false;
270 
271     title = g_strdup_printf("%s%s%s", prefix, status, grab);
272     gtk_window_set_title(GTK_WINDOW(s->window), title);
273     g_free(title);
274 
275     for (i = 0; i < s->nb_vcs; i++) {
276         VirtualConsole *vc = &s->vc[i];
277 
278         if (!vc->window) {
279             continue;
280         }
281         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
282                                 vc == s->kbd_owner ? " +kbd" : "",
283                                 vc == s->ptr_owner ? " +ptr" : "");
284         gtk_window_set_title(GTK_WINDOW(vc->window), title);
285         g_free(title);
286     }
287 
288     g_free(prefix);
289 }
290 
291 static void gd_update_geometry_hints(VirtualConsole *vc)
292 {
293     GtkDisplayState *s = vc->s;
294     GdkWindowHints mask = 0;
295     GdkGeometry geo = {};
296     GtkWidget *geo_widget = NULL;
297     GtkWindow *geo_window;
298 
299     if (vc->type == GD_VC_GFX) {
300         if (!vc->gfx.ds) {
301             return;
302         }
303         if (s->free_scale) {
304             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
305             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
306             mask |= GDK_HINT_MIN_SIZE;
307         } else {
308             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
309             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
310             mask |= GDK_HINT_MIN_SIZE;
311         }
312         geo_widget = vc->gfx.drawing_area;
313         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
314 
315 #if defined(CONFIG_VTE)
316     } else if (vc->type == GD_VC_VTE) {
317         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
318         GtkBorder *ib;
319 
320         geo.width_inc  = vte_terminal_get_char_width(term);
321         geo.height_inc = vte_terminal_get_char_height(term);
322         mask |= GDK_HINT_RESIZE_INC;
323         geo.base_width  = geo.width_inc;
324         geo.base_height = geo.height_inc;
325         mask |= GDK_HINT_BASE_SIZE;
326         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
327         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
328         mask |= GDK_HINT_MIN_SIZE;
329         gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
330         geo.base_width  += ib->left + ib->right;
331         geo.base_height += ib->top + ib->bottom;
332         geo.min_width   += ib->left + ib->right;
333         geo.min_height  += ib->top + ib->bottom;
334         geo_widget = vc->vte.terminal;
335 #endif
336     }
337 
338     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
339     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
340 }
341 
342 void gd_update_windowsize(VirtualConsole *vc)
343 {
344     GtkDisplayState *s = vc->s;
345 
346     gd_update_geometry_hints(vc);
347 
348     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
349         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
350                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
351     }
352 }
353 
354 static void gd_update_full_redraw(VirtualConsole *vc)
355 {
356     GtkWidget *area = vc->gfx.drawing_area;
357     int ww, wh;
358     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
359     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
360 }
361 
362 static void gtk_release_modifiers(GtkDisplayState *s)
363 {
364     VirtualConsole *vc = gd_vc_find_current(s);
365     int i, keycode;
366 
367     if (vc->type != GD_VC_GFX ||
368         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
369         return;
370     }
371     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
372         keycode = modifier_keycode[i];
373         if (!s->modifier_pressed[i]) {
374             continue;
375         }
376         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
377         s->modifier_pressed[i] = false;
378     }
379 }
380 
381 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
382                                GtkWidget *widget)
383 {
384     g_object_ref(G_OBJECT(widget));
385     gtk_container_remove(GTK_CONTAINER(from), widget);
386     gtk_container_add(GTK_CONTAINER(to), widget);
387     g_object_unref(G_OBJECT(widget));
388 }
389 
390 /** DisplayState Callbacks **/
391 
392 static void gd_update(DisplayChangeListener *dcl,
393                       int x, int y, int w, int h)
394 {
395     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
396     GdkWindow *win;
397     int x1, x2, y1, y2;
398     int mx, my;
399     int fbw, fbh;
400     int ww, wh;
401 
402     trace_gd_update(vc->label, x, y, w, h);
403 
404     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
405         return;
406     }
407 
408     if (vc->gfx.convert) {
409         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
410                                NULL, vc->gfx.convert,
411                                x, y, 0, 0, x, y, w, h);
412     }
413 
414     x1 = floor(x * vc->gfx.scale_x);
415     y1 = floor(y * vc->gfx.scale_y);
416 
417     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
418     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
419 
420     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
421     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
422 
423     win = gtk_widget_get_window(vc->gfx.drawing_area);
424     if (!win) {
425         return;
426     }
427     gdk_drawable_get_size(win, &ww, &wh);
428 
429     mx = my = 0;
430     if (ww > fbw) {
431         mx = (ww - fbw) / 2;
432     }
433     if (wh > fbh) {
434         my = (wh - fbh) / 2;
435     }
436 
437     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
438                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
439 }
440 
441 static void gd_refresh(DisplayChangeListener *dcl)
442 {
443     graphic_hw_update(dcl->con);
444 }
445 
446 #if GTK_CHECK_VERSION(3, 0, 0)
447 static void gd_mouse_set(DisplayChangeListener *dcl,
448                          int x, int y, int visible)
449 {
450     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
451     GdkDisplay *dpy;
452     GdkDeviceManager *mgr;
453     gint x_root, y_root;
454 
455     if (qemu_input_is_absolute()) {
456         return;
457     }
458 
459     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
460     mgr = gdk_display_get_device_manager(dpy);
461     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
462                                x, y, &x_root, &y_root);
463     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
464                     gtk_widget_get_screen(vc->gfx.drawing_area),
465                     x_root, y_root);
466     vc->s->last_x = x;
467     vc->s->last_y = y;
468 }
469 #else
470 static void gd_mouse_set(DisplayChangeListener *dcl,
471                          int x, int y, int visible)
472 {
473     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
474     gint x_root, y_root;
475 
476     if (qemu_input_is_absolute()) {
477         return;
478     }
479 
480     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
481                                x, y, &x_root, &y_root);
482     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
483                              gtk_widget_get_screen(vc->gfx.drawing_area),
484                              x_root, y_root);
485 }
486 #endif
487 
488 static void gd_cursor_define(DisplayChangeListener *dcl,
489                              QEMUCursor *c)
490 {
491     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
492     GdkPixbuf *pixbuf;
493     GdkCursor *cursor;
494 
495     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
496         return;
497     }
498 
499     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
500                                       GDK_COLORSPACE_RGB, true, 8,
501                                       c->width, c->height, c->width * 4,
502                                       NULL, NULL);
503     cursor = gdk_cursor_new_from_pixbuf
504         (gtk_widget_get_display(vc->gfx.drawing_area),
505          pixbuf, c->hot_x, c->hot_y);
506     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
507     g_object_unref(pixbuf);
508 #if !GTK_CHECK_VERSION(3, 0, 0)
509     gdk_cursor_unref(cursor);
510 #else
511     g_object_unref(cursor);
512 #endif
513 }
514 
515 static void gd_switch(DisplayChangeListener *dcl,
516                       DisplaySurface *surface)
517 {
518     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
519     bool resized = true;
520 
521     trace_gd_switch(vc->label,
522                     surface ? surface_width(surface)  : 0,
523                     surface ? surface_height(surface) : 0);
524 
525     if (vc->gfx.surface) {
526         cairo_surface_destroy(vc->gfx.surface);
527         vc->gfx.surface = NULL;
528     }
529     if (vc->gfx.convert) {
530         pixman_image_unref(vc->gfx.convert);
531         vc->gfx.convert = NULL;
532     }
533 
534     if (vc->gfx.ds && surface &&
535         surface_width(vc->gfx.ds) == surface_width(surface) &&
536         surface_height(vc->gfx.ds) == surface_height(surface)) {
537         resized = false;
538     }
539     vc->gfx.ds = surface;
540 
541     if (!surface) {
542         return;
543     }
544 
545     if (surface->format == PIXMAN_x8r8g8b8) {
546         /*
547          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
548          *
549          * No need to convert, use surface directly.  Should be the
550          * common case as this is qemu_default_pixelformat(32) too.
551          */
552         vc->gfx.surface = cairo_image_surface_create_for_data
553             (surface_data(surface),
554              CAIRO_FORMAT_RGB24,
555              surface_width(surface),
556              surface_height(surface),
557              surface_stride(surface));
558     } else {
559         /* Must convert surface, use pixman to do it. */
560         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
561                                                    surface_width(surface),
562                                                    surface_height(surface),
563                                                    NULL, 0);
564         vc->gfx.surface = cairo_image_surface_create_for_data
565             ((void *)pixman_image_get_data(vc->gfx.convert),
566              CAIRO_FORMAT_RGB24,
567              pixman_image_get_width(vc->gfx.convert),
568              pixman_image_get_height(vc->gfx.convert),
569              pixman_image_get_stride(vc->gfx.convert));
570         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
571                                NULL, vc->gfx.convert,
572                                0, 0, 0, 0, 0, 0,
573                                pixman_image_get_width(vc->gfx.convert),
574                                pixman_image_get_height(vc->gfx.convert));
575     }
576 
577     if (resized) {
578         gd_update_windowsize(vc);
579     } else {
580         gd_update_full_redraw(vc);
581     }
582 }
583 
584 static const DisplayChangeListenerOps dcl_ops = {
585     .dpy_name             = "gtk",
586     .dpy_gfx_update       = gd_update,
587     .dpy_gfx_switch       = gd_switch,
588     .dpy_gfx_check_format = qemu_pixman_check_format,
589     .dpy_refresh          = gd_refresh,
590     .dpy_mouse_set        = gd_mouse_set,
591     .dpy_cursor_define    = gd_cursor_define,
592 };
593 
594 
595 #if defined(CONFIG_OPENGL)
596 
597 /** DisplayState Callbacks (opengl version) **/
598 
599 static const DisplayChangeListenerOps dcl_egl_ops = {
600     .dpy_name             = "gtk-egl",
601     .dpy_gfx_update       = gd_egl_update,
602     .dpy_gfx_switch       = gd_egl_switch,
603     .dpy_gfx_check_format = console_gl_check_format,
604     .dpy_refresh          = gd_egl_refresh,
605     .dpy_mouse_set        = gd_mouse_set,
606     .dpy_cursor_define    = gd_cursor_define,
607 };
608 
609 #endif
610 
611 /** QEMU Events **/
612 
613 static void gd_change_runstate(void *opaque, int running, RunState state)
614 {
615     GtkDisplayState *s = opaque;
616 
617     gd_update_caption(s);
618 }
619 
620 static void gd_mouse_mode_change(Notifier *notify, void *data)
621 {
622     GtkDisplayState *s;
623     int i;
624 
625     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
626     /* release the grab at switching to absolute mode */
627     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
628         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
629                                        FALSE);
630     }
631     for (i = 0; i < s->nb_vcs; i++) {
632         VirtualConsole *vc = &s->vc[i];
633         gd_update_cursor(vc);
634     }
635 }
636 
637 /** GTK Events **/
638 
639 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
640                                 void *opaque)
641 {
642     GtkDisplayState *s = opaque;
643     int i;
644 
645     if (!no_quit) {
646         for (i = 0; i < s->nb_vcs; i++) {
647             if (s->vc[i].type != GD_VC_GFX) {
648                 continue;
649             }
650             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
651         }
652         qmp_quit(NULL);
653         return FALSE;
654     }
655 
656     return TRUE;
657 }
658 
659 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
660 {
661     VirtualConsole *vc = opaque;
662     GtkDisplayState *s = vc->s;
663     int mx, my;
664     int ww, wh;
665     int fbw, fbh;
666 
667 #if defined(CONFIG_OPENGL)
668     if (vc->gfx.gls) {
669         gd_egl_draw(vc);
670         return TRUE;
671     }
672 #endif
673 
674     if (!gtk_widget_get_realized(widget)) {
675         return FALSE;
676     }
677     if (!vc->gfx.ds) {
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     if (!vc->gfx.ds) {
762         return TRUE;
763     }
764 
765     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
766     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
767 
768     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
769                           &ww, &wh);
770 
771     mx = my = 0;
772     if (ww > fbw) {
773         mx = (ww - fbw) / 2;
774     }
775     if (wh > fbh) {
776         my = (wh - fbh) / 2;
777     }
778 
779     x = (motion->x - mx) / vc->gfx.scale_x;
780     y = (motion->y - my) / vc->gfx.scale_y;
781 
782     if (qemu_input_is_absolute()) {
783         if (x < 0 || y < 0 ||
784             x >= surface_width(vc->gfx.ds) ||
785             y >= surface_height(vc->gfx.ds)) {
786             return TRUE;
787         }
788         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
789                              surface_width(vc->gfx.ds));
790         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
791                              surface_height(vc->gfx.ds));
792         qemu_input_event_sync();
793     } else if (s->last_set && s->ptr_owner == vc) {
794         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
795         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
796         qemu_input_event_sync();
797     }
798     s->last_x = x;
799     s->last_y = y;
800     s->last_set = TRUE;
801 
802     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
803         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
804         int x = (int)motion->x_root;
805         int y = (int)motion->y_root;
806 
807         /* In relative mode check to see if client pointer hit
808          * one of the screen edges, and if so move it back by
809          * 200 pixels. This is important because the pointer
810          * in the server doesn't correspond 1-for-1, and so
811          * may still be only half way across the screen. Without
812          * this warp, the server pointer would thus appear to hit
813          * an invisible wall */
814         if (x == 0) {
815             x += 200;
816         }
817         if (y == 0) {
818             y += 200;
819         }
820         if (x == (gdk_screen_get_width(screen) - 1)) {
821             x -= 200;
822         }
823         if (y == (gdk_screen_get_height(screen) - 1)) {
824             y -= 200;
825         }
826 
827         if (x != (int)motion->x_root || y != (int)motion->y_root) {
828 #if GTK_CHECK_VERSION(3, 0, 0)
829             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
830             gdk_device_warp(dev, screen, x, y);
831 #else
832             GdkDisplay *display = gtk_widget_get_display(widget);
833             gdk_display_warp_pointer(display, screen, x, y);
834 #endif
835             s->last_set = FALSE;
836             return FALSE;
837         }
838     }
839     return TRUE;
840 }
841 
842 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
843                                 void *opaque)
844 {
845     VirtualConsole *vc = opaque;
846     GtkDisplayState *s = vc->s;
847     InputButton btn;
848 
849     /* implicitly grab the input at the first click in the relative mode */
850     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
851         !qemu_input_is_absolute() && s->ptr_owner != vc) {
852         gd_ungrab_pointer(s);
853         if (!vc->window) {
854             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
855                                            TRUE);
856         } else {
857             gd_grab_pointer(vc);
858             gd_update_caption(s);
859         }
860         return TRUE;
861     }
862 
863     if (button->button == 1) {
864         btn = INPUT_BUTTON_LEFT;
865     } else if (button->button == 2) {
866         btn = INPUT_BUTTON_MIDDLE;
867     } else if (button->button == 3) {
868         btn = INPUT_BUTTON_RIGHT;
869     } else {
870         return TRUE;
871     }
872 
873     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
874                          button->type == GDK_BUTTON_PRESS);
875     qemu_input_event_sync();
876     return TRUE;
877 }
878 
879 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
880                                 void *opaque)
881 {
882     VirtualConsole *vc = opaque;
883     InputButton btn;
884 
885     if (scroll->direction == GDK_SCROLL_UP) {
886         btn = INPUT_BUTTON_WHEEL_UP;
887     } else if (scroll->direction == GDK_SCROLL_DOWN) {
888         btn = INPUT_BUTTON_WHEEL_DOWN;
889     } else {
890         return TRUE;
891     }
892 
893     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
894     qemu_input_event_sync();
895     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
896     qemu_input_event_sync();
897     return TRUE;
898 }
899 
900 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
901 {
902     int qemu_keycode;
903 
904 #ifdef GDK_WINDOWING_WIN32
905     if (GDK_IS_WIN32_DISPLAY(dpy)) {
906         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
907         switch (qemu_keycode) {
908         case 103:   /* alt gr */
909             qemu_keycode = 56 | SCANCODE_GREY;
910             break;
911         }
912         return qemu_keycode;
913     }
914 #endif
915 
916     if (gdk_keycode < 9) {
917         qemu_keycode = 0;
918     } else if (gdk_keycode < 97) {
919         qemu_keycode = gdk_keycode - 8;
920 #ifdef GDK_WINDOWING_X11
921     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
922         if (s->has_evdev) {
923             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
924         } else {
925             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
926         }
927 #endif
928     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
929         qemu_keycode = 0x70;
930     } else if (gdk_keycode == 211) { /* backslash */
931         qemu_keycode = 0x73;
932     } else {
933         qemu_keycode = 0;
934     }
935 
936     return qemu_keycode;
937 }
938 
939 static gboolean gd_text_key_down(GtkWidget *widget,
940                                  GdkEventKey *key, void *opaque)
941 {
942     VirtualConsole *vc = opaque;
943     QemuConsole *con = vc->gfx.dcl.con;
944 
945     if (key->length) {
946         kbd_put_string_console(con, key->string, key->length);
947     } else {
948         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
949                                  key->hardware_keycode);
950         int qcode = qemu_input_key_number_to_qcode(num);
951         kbd_put_qcode_console(con, qcode);
952     }
953     return TRUE;
954 }
955 
956 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
957 {
958     VirtualConsole *vc = opaque;
959     GtkDisplayState *s = vc->s;
960     int gdk_keycode = key->hardware_keycode;
961     int qemu_keycode;
962     int i;
963 
964     if (s->ignore_keys) {
965         s->ignore_keys = (key->type == GDK_KEY_PRESS);
966         return TRUE;
967     }
968 
969     if (key->keyval == GDK_KEY_Pause) {
970         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
971                                         key->type == GDK_KEY_PRESS);
972         return TRUE;
973     }
974 
975     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
976                                   gdk_keycode);
977 
978     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
979                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
980 
981     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
982         if (qemu_keycode == modifier_keycode[i]) {
983             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
984         }
985     }
986 
987     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
988                                      key->type == GDK_KEY_PRESS);
989 
990     return TRUE;
991 }
992 
993 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
994 {
995     if (event->type == GDK_MOTION_NOTIFY) {
996         return gd_motion_event(widget, &event->motion, opaque);
997     }
998     return FALSE;
999 }
1000 
1001 /** Window Menu Actions **/
1002 
1003 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1004 {
1005     GtkDisplayState *s = opaque;
1006 
1007     if (s->external_pause_update) {
1008         return;
1009     }
1010     if (runstate_is_running()) {
1011         qmp_stop(NULL);
1012     } else {
1013         qmp_cont(NULL);
1014     }
1015 }
1016 
1017 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1018 {
1019     qmp_system_reset(NULL);
1020 }
1021 
1022 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1023 {
1024     qmp_system_powerdown(NULL);
1025 }
1026 
1027 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1028 {
1029     qmp_quit(NULL);
1030 }
1031 
1032 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1033 {
1034     GtkDisplayState *s = opaque;
1035     VirtualConsole *vc = gd_vc_find_by_menu(s);
1036     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1037     gint page;
1038 
1039     gtk_release_modifiers(s);
1040     if (vc) {
1041         page = gtk_notebook_page_num(nb, vc->tab_item);
1042         gtk_notebook_set_current_page(nb, page);
1043         gtk_widget_grab_focus(vc->focus);
1044     }
1045     s->ignore_keys = false;
1046 }
1047 
1048 static void gd_accel_switch_vc(void *opaque)
1049 {
1050     VirtualConsole *vc = opaque;
1051 
1052     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1053 #if !GTK_CHECK_VERSION(3, 0, 0)
1054     /* GTK2 sends the accel key to the target console - ignore this until */
1055     vc->s->ignore_keys = true;
1056 #endif
1057 }
1058 
1059 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1060 {
1061     GtkDisplayState *s = opaque;
1062     VirtualConsole *vc = gd_vc_find_current(s);
1063 
1064     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1065         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1066     } else {
1067         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1068     }
1069     gd_update_windowsize(vc);
1070 }
1071 
1072 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1073                                     void *opaque)
1074 {
1075     VirtualConsole *vc = opaque;
1076     GtkDisplayState *s = vc->s;
1077 
1078     gtk_widget_set_sensitive(vc->menu_item, true);
1079     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1080     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1081                                     vc->tab_item, vc->label);
1082     gtk_widget_destroy(vc->window);
1083     vc->window = NULL;
1084     return TRUE;
1085 }
1086 
1087 static gboolean gd_win_grab(void *opaque)
1088 {
1089     VirtualConsole *vc = opaque;
1090 
1091     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1092     if (vc->s->ptr_owner) {
1093         gd_ungrab_pointer(vc->s);
1094     } else {
1095         gd_grab_pointer(vc);
1096     }
1097     gd_update_caption(vc->s);
1098     return TRUE;
1099 }
1100 
1101 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1102 {
1103     GtkDisplayState *s = opaque;
1104     VirtualConsole *vc = gd_vc_find_current(s);
1105 
1106     if (vc->type == GD_VC_GFX &&
1107         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1108         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1109                                        FALSE);
1110     }
1111     if (!vc->window) {
1112         gtk_widget_set_sensitive(vc->menu_item, false);
1113         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1114         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1115 
1116         g_signal_connect(vc->window, "delete-event",
1117                          G_CALLBACK(gd_tab_window_close), vc);
1118         gtk_widget_show_all(vc->window);
1119 
1120         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1121             GtkAccelGroup *ag = gtk_accel_group_new();
1122             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1123 
1124             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1125                                                vc, NULL);
1126             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1127         }
1128 
1129         gd_update_geometry_hints(vc);
1130         gd_update_caption(s);
1131     }
1132 }
1133 
1134 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1135 {
1136     GtkDisplayState *s = opaque;
1137     VirtualConsole *vc = gd_vc_find_current(s);
1138 
1139     if (!s->full_screen) {
1140         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1141         gtk_widget_hide(s->menu_bar);
1142         if (vc->type == GD_VC_GFX) {
1143             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1144             if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1145                 gtk_check_menu_item_set_active
1146                     (GTK_CHECK_MENU_ITEM(s->grab_item), TRUE);
1147             }
1148         }
1149         gtk_window_fullscreen(GTK_WINDOW(s->window));
1150         s->full_screen = TRUE;
1151     } else {
1152         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1153         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1154         gtk_widget_show(s->menu_bar);
1155         s->full_screen = FALSE;
1156         if (vc->type == GD_VC_GFX) {
1157             vc->gfx.scale_x = 1.0;
1158             vc->gfx.scale_y = 1.0;
1159             gd_update_windowsize(vc);
1160             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1161                                            FALSE);
1162         }
1163     }
1164 
1165     gd_update_cursor(vc);
1166 }
1167 
1168 static void gd_accel_full_screen(void *opaque)
1169 {
1170     GtkDisplayState *s = opaque;
1171     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1172 }
1173 
1174 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1175 {
1176     GtkDisplayState *s = opaque;
1177     VirtualConsole *vc = gd_vc_find_current(s);
1178 
1179     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1180                                    FALSE);
1181 
1182     vc->gfx.scale_x += VC_SCALE_STEP;
1183     vc->gfx.scale_y += VC_SCALE_STEP;
1184 
1185     gd_update_windowsize(vc);
1186 }
1187 
1188 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1189 {
1190     GtkDisplayState *s = opaque;
1191     VirtualConsole *vc = gd_vc_find_current(s);
1192 
1193     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1194                                    FALSE);
1195 
1196     vc->gfx.scale_x -= VC_SCALE_STEP;
1197     vc->gfx.scale_y -= VC_SCALE_STEP;
1198 
1199     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1200     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1201 
1202     gd_update_windowsize(vc);
1203 }
1204 
1205 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1206 {
1207     GtkDisplayState *s = opaque;
1208     VirtualConsole *vc = gd_vc_find_current(s);
1209 
1210     vc->gfx.scale_x = 1.0;
1211     vc->gfx.scale_y = 1.0;
1212 
1213     gd_update_windowsize(vc);
1214 }
1215 
1216 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1217 {
1218     GtkDisplayState *s = opaque;
1219     VirtualConsole *vc = gd_vc_find_current(s);
1220 
1221     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1222         s->free_scale = TRUE;
1223     } else {
1224         s->free_scale = FALSE;
1225         vc->gfx.scale_x = 1.0;
1226         vc->gfx.scale_y = 1.0;
1227     }
1228 
1229     gd_update_windowsize(vc);
1230     gd_update_full_redraw(vc);
1231 }
1232 
1233 #if GTK_CHECK_VERSION(3, 0, 0)
1234 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1235                             GdkInputSource source, GdkEventMask mask,
1236                             GdkCursor *cursor)
1237 {
1238     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1239     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1240     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1241     GList *tmp = devs;
1242 
1243     for (tmp = devs; tmp; tmp = tmp->next) {
1244         GdkDevice *dev = tmp->data;
1245         if (gdk_device_get_source(dev) != source) {
1246             continue;
1247         }
1248         if (grab) {
1249             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1250             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1251                             mask, cursor, GDK_CURRENT_TIME);
1252         } else {
1253             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1254         }
1255     }
1256     g_list_free(devs);
1257 }
1258 #endif
1259 
1260 static void gd_grab_keyboard(VirtualConsole *vc)
1261 {
1262 #if GTK_CHECK_VERSION(3, 0, 0)
1263     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1264                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1265                    NULL);
1266 #else
1267     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1268                       FALSE,
1269                       GDK_CURRENT_TIME);
1270 #endif
1271     vc->s->kbd_owner = vc;
1272     trace_gd_grab(vc->label, "kbd", true);
1273 }
1274 
1275 static void gd_ungrab_keyboard(GtkDisplayState *s)
1276 {
1277     VirtualConsole *vc = s->kbd_owner;
1278 
1279     if (vc == NULL) {
1280         return;
1281     }
1282     s->kbd_owner = NULL;
1283 
1284 #if GTK_CHECK_VERSION(3, 0, 0)
1285     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1286 #else
1287     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1288 #endif
1289     trace_gd_grab(vc->label, "kbd", false);
1290 }
1291 
1292 static void gd_grab_pointer(VirtualConsole *vc)
1293 {
1294     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1295 #if GTK_CHECK_VERSION(3, 0, 0)
1296     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1297     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1298                     GDK_POINTER_MOTION_MASK |
1299                     GDK_BUTTON_PRESS_MASK |
1300                     GDK_BUTTON_RELEASE_MASK |
1301                     GDK_BUTTON_MOTION_MASK |
1302                     GDK_SCROLL_MASK,
1303                     vc->s->null_cursor);
1304     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1305                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1306 #else
1307     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1308                      FALSE, /* All events to come to our window directly */
1309                      GDK_POINTER_MOTION_MASK |
1310                      GDK_BUTTON_PRESS_MASK |
1311                      GDK_BUTTON_RELEASE_MASK |
1312                      GDK_BUTTON_MOTION_MASK |
1313                      GDK_SCROLL_MASK,
1314                      NULL, /* Allow cursor to move over entire desktop */
1315                      vc->s->null_cursor,
1316                      GDK_CURRENT_TIME);
1317     gdk_display_get_pointer(display, NULL,
1318                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1319 #endif
1320     vc->s->ptr_owner = vc;
1321     trace_gd_grab(vc->label, "ptr", true);
1322 }
1323 
1324 static void gd_ungrab_pointer(GtkDisplayState *s)
1325 {
1326     VirtualConsole *vc = s->ptr_owner;
1327 
1328     if (vc == NULL) {
1329         return;
1330     }
1331     s->ptr_owner = NULL;
1332 
1333     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1334 #if GTK_CHECK_VERSION(3, 0, 0)
1335     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1336     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1337     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1338                     gtk_widget_get_screen(vc->gfx.drawing_area),
1339                     vc->s->grab_x_root, vc->s->grab_y_root);
1340 #else
1341     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1342     gdk_display_warp_pointer(display,
1343                              gtk_widget_get_screen(vc->gfx.drawing_area),
1344                              vc->s->grab_x_root, vc->s->grab_y_root);
1345 #endif
1346     trace_gd_grab(vc->label, "ptr", false);
1347 }
1348 
1349 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1350 {
1351     GtkDisplayState *s = opaque;
1352     VirtualConsole *vc = gd_vc_find_current(s);
1353 
1354     if (gd_is_grab_active(s)) {
1355         if (!gd_grab_on_hover(s)) {
1356             gd_grab_keyboard(vc);
1357         }
1358         gd_grab_pointer(vc);
1359     } else {
1360         gd_ungrab_keyboard(s);
1361         gd_ungrab_pointer(s);
1362     }
1363 
1364     gd_update_caption(s);
1365     gd_update_cursor(vc);
1366 }
1367 
1368 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1369                            gpointer data)
1370 {
1371     GtkDisplayState *s = data;
1372     VirtualConsole *vc;
1373     gboolean on_vga;
1374 
1375     if (!gtk_widget_get_realized(s->notebook)) {
1376         return;
1377     }
1378 
1379 #ifdef VTE_RESIZE_HACK
1380     vc = gd_vc_find_current(s);
1381     if (vc && vc->type == GD_VC_VTE) {
1382         gtk_widget_hide(vc->vte.terminal);
1383     }
1384 #endif
1385     vc = gd_vc_find_by_page(s, arg2);
1386     if (!vc) {
1387         return;
1388     }
1389 #ifdef VTE_RESIZE_HACK
1390     if (vc->type == GD_VC_VTE) {
1391         gtk_widget_show(vc->vte.terminal);
1392     }
1393 #endif
1394     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1395                                    TRUE);
1396     on_vga = (vc->type == GD_VC_GFX &&
1397               qemu_console_is_graphic(vc->gfx.dcl.con));
1398     if (!on_vga) {
1399         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1400                                        FALSE);
1401     } else if (s->full_screen) {
1402         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1403                                        TRUE);
1404     }
1405     gtk_widget_set_sensitive(s->grab_item, on_vga);
1406 
1407     gd_update_windowsize(vc);
1408     gd_update_cursor(vc);
1409 }
1410 
1411 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1412                                gpointer opaque)
1413 {
1414     VirtualConsole *vc = opaque;
1415     GtkDisplayState *s = vc->s;
1416 
1417     if (gd_grab_on_hover(s)) {
1418         gd_ungrab_keyboard(s);
1419         gd_grab_keyboard(vc);
1420         gd_update_caption(s);
1421     }
1422     return TRUE;
1423 }
1424 
1425 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1426                                gpointer opaque)
1427 {
1428     VirtualConsole *vc = opaque;
1429     GtkDisplayState *s = vc->s;
1430 
1431     if (gd_grab_on_hover(s)) {
1432         gd_ungrab_keyboard(s);
1433         gd_update_caption(s);
1434     }
1435     return TRUE;
1436 }
1437 
1438 static gboolean gd_focus_out_event(GtkWidget *widget,
1439                                    GdkEventCrossing *crossing, gpointer opaque)
1440 {
1441     VirtualConsole *vc = opaque;
1442     GtkDisplayState *s = vc->s;
1443 
1444     gtk_release_modifiers(s);
1445     return TRUE;
1446 }
1447 
1448 static gboolean gd_configure(GtkWidget *widget,
1449                              GdkEventConfigure *cfg, gpointer opaque)
1450 {
1451     VirtualConsole *vc = opaque;
1452     QemuUIInfo info;
1453 
1454     memset(&info, 0, sizeof(info));
1455     info.width = cfg->width;
1456     info.height = cfg->height;
1457     dpy_set_ui_info(vc->gfx.dcl.con, &info);
1458     return FALSE;
1459 }
1460 
1461 /** Virtual Console Callbacks **/
1462 
1463 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1464                                int idx, GSList *group, GtkWidget *view_menu)
1465 {
1466     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1467     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1468             HOTKEY_MODIFIERS, 0,
1469             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1470 #if GTK_CHECK_VERSION(3, 8, 0)
1471     gtk_accel_label_set_accel(
1472             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1473             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1474 #endif
1475 
1476     g_signal_connect(vc->menu_item, "activate",
1477                      G_CALLBACK(gd_menu_switch_vc), s);
1478     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1479 
1480     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1481     return group;
1482 }
1483 
1484 #if defined(CONFIG_VTE)
1485 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1486 {
1487     VirtualConsole *vc = opaque;
1488 
1489     if (gtk_adjustment_get_upper(adjustment) >
1490         gtk_adjustment_get_page_size(adjustment)) {
1491         gtk_widget_show(vc->vte.scrollbar);
1492     } else {
1493         gtk_widget_hide(vc->vte.scrollbar);
1494     }
1495 }
1496 
1497 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1498 {
1499     VirtualConsole *vc = chr->opaque;
1500 
1501     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1502     return len;
1503 }
1504 
1505 static int nb_vcs;
1506 static CharDriverState *vcs[MAX_VCS];
1507 
1508 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1509 {
1510     CharDriverState *chr;
1511 
1512     chr = g_malloc0(sizeof(*chr));
1513     chr->chr_write = gd_vc_chr_write;
1514     /* defer OPENED events until our vc is fully initialized */
1515     chr->explicit_be_open = true;
1516 
1517     vcs[nb_vcs++] = chr;
1518 
1519     return chr;
1520 }
1521 
1522 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1523                          gpointer user_data)
1524 {
1525     VirtualConsole *vc = user_data;
1526 
1527     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1528     return TRUE;
1529 }
1530 
1531 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1532                               CharDriverState *chr, int idx,
1533                               GSList *group, GtkWidget *view_menu)
1534 {
1535     char buffer[32];
1536     GtkWidget *box;
1537     GtkWidget *scrollbar;
1538     GtkAdjustment *vadjustment;
1539 
1540     vc->s = s;
1541     vc->vte.chr = chr;
1542 
1543     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1544     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1545                                 ? vc->vte.chr->label : buffer);
1546     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1547 
1548     vc->vte.terminal = vte_terminal_new();
1549     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1550 
1551     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1552     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1553                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1554 
1555 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1556     vadjustment = gtk_scrollable_get_vadjustment
1557         (GTK_SCROLLABLE(vc->vte.terminal));
1558 #else
1559     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1560 #endif
1561 
1562 #if GTK_CHECK_VERSION(3, 0, 0)
1563     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1564     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1565 #else
1566     box = gtk_hbox_new(false, 2);
1567     scrollbar = gtk_vscrollbar_new(vadjustment);
1568 #endif
1569 
1570     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1571     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1572 
1573     vc->vte.chr->opaque = vc;
1574     vc->vte.box = box;
1575     vc->vte.scrollbar = scrollbar;
1576 
1577     g_signal_connect(vadjustment, "changed",
1578                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1579 
1580     vc->type = GD_VC_VTE;
1581     vc->tab_item = box;
1582     vc->focus = vc->vte.terminal;
1583     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1584                              gtk_label_new(vc->label));
1585 
1586     qemu_chr_be_generic_open(vc->vte.chr);
1587     if (vc->vte.chr->init) {
1588         vc->vte.chr->init(vc->vte.chr);
1589     }
1590 
1591     return group;
1592 }
1593 
1594 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1595                         GtkWidget *view_menu)
1596 {
1597     int i;
1598 
1599     for (i = 0; i < nb_vcs; i++) {
1600         VirtualConsole *vc = &s->vc[s->nb_vcs];
1601         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1602         s->nb_vcs++;
1603     }
1604 }
1605 #endif /* CONFIG_VTE */
1606 
1607 /** Window Creation **/
1608 
1609 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1610 {
1611 #if GTK_CHECK_VERSION(3, 0, 0)
1612     g_signal_connect(vc->gfx.drawing_area, "draw",
1613                      G_CALLBACK(gd_draw_event), vc);
1614 #else
1615     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1616                      G_CALLBACK(gd_expose_event), vc);
1617 #endif
1618     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1619         g_signal_connect(vc->gfx.drawing_area, "event",
1620                          G_CALLBACK(gd_event), vc);
1621         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1622                          G_CALLBACK(gd_button_event), vc);
1623         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1624                          G_CALLBACK(gd_button_event), vc);
1625         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1626                          G_CALLBACK(gd_scroll_event), vc);
1627         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1628                          G_CALLBACK(gd_key_event), vc);
1629         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1630                          G_CALLBACK(gd_key_event), vc);
1631 
1632         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1633                          G_CALLBACK(gd_enter_event), vc);
1634         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1635                          G_CALLBACK(gd_leave_event), vc);
1636         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1637                          G_CALLBACK(gd_focus_out_event), vc);
1638         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1639                          G_CALLBACK(gd_configure), vc);
1640     } else {
1641         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1642                          G_CALLBACK(gd_text_key_down), vc);
1643     }
1644 }
1645 
1646 static void gd_connect_signals(GtkDisplayState *s)
1647 {
1648     g_signal_connect(s->show_tabs_item, "activate",
1649                      G_CALLBACK(gd_menu_show_tabs), s);
1650     g_signal_connect(s->untabify_item, "activate",
1651                      G_CALLBACK(gd_menu_untabify), s);
1652 
1653     g_signal_connect(s->window, "delete-event",
1654                      G_CALLBACK(gd_window_close), s);
1655 
1656     g_signal_connect(s->pause_item, "activate",
1657                      G_CALLBACK(gd_menu_pause), s);
1658     g_signal_connect(s->reset_item, "activate",
1659                      G_CALLBACK(gd_menu_reset), s);
1660     g_signal_connect(s->powerdown_item, "activate",
1661                      G_CALLBACK(gd_menu_powerdown), s);
1662     g_signal_connect(s->quit_item, "activate",
1663                      G_CALLBACK(gd_menu_quit), s);
1664     g_signal_connect(s->full_screen_item, "activate",
1665                      G_CALLBACK(gd_menu_full_screen), s);
1666     g_signal_connect(s->zoom_in_item, "activate",
1667                      G_CALLBACK(gd_menu_zoom_in), s);
1668     g_signal_connect(s->zoom_out_item, "activate",
1669                      G_CALLBACK(gd_menu_zoom_out), s);
1670     g_signal_connect(s->zoom_fixed_item, "activate",
1671                      G_CALLBACK(gd_menu_zoom_fixed), s);
1672     g_signal_connect(s->zoom_fit_item, "activate",
1673                      G_CALLBACK(gd_menu_zoom_fit), s);
1674     g_signal_connect(s->grab_item, "activate",
1675                      G_CALLBACK(gd_menu_grab_input), s);
1676     g_signal_connect(s->notebook, "switch-page",
1677                      G_CALLBACK(gd_change_page), s);
1678 }
1679 
1680 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1681 {
1682     GtkWidget *machine_menu;
1683     GtkWidget *separator;
1684 
1685     machine_menu = gtk_menu_new();
1686     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1687 
1688     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1689     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1690 
1691     separator = gtk_separator_menu_item_new();
1692     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1693 
1694     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1695     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1696 
1697     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1698     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1699 
1700     separator = gtk_separator_menu_item_new();
1701     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1702 
1703     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1704     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1705                                  "<QEMU>/Machine/Quit");
1706     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1707                             GDK_KEY_q, HOTKEY_MODIFIERS);
1708     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1709 
1710     return machine_menu;
1711 }
1712 
1713 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1714                               QemuConsole *con, int idx,
1715                               GSList *group, GtkWidget *view_menu)
1716 {
1717     vc->label = qemu_console_get_label(con);
1718     vc->s = s;
1719     vc->gfx.scale_x = 1.0;
1720     vc->gfx.scale_y = 1.0;
1721 
1722     vc->gfx.drawing_area = gtk_drawing_area_new();
1723     gtk_widget_add_events(vc->gfx.drawing_area,
1724                           GDK_POINTER_MOTION_MASK |
1725                           GDK_BUTTON_PRESS_MASK |
1726                           GDK_BUTTON_RELEASE_MASK |
1727                           GDK_BUTTON_MOTION_MASK |
1728                           GDK_ENTER_NOTIFY_MASK |
1729                           GDK_LEAVE_NOTIFY_MASK |
1730                           GDK_SCROLL_MASK |
1731                           GDK_KEY_PRESS_MASK);
1732     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1733 
1734     vc->type = GD_VC_GFX;
1735     vc->tab_item = vc->gfx.drawing_area;
1736     vc->focus = vc->gfx.drawing_area;
1737     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1738                              vc->tab_item, gtk_label_new(vc->label));
1739 
1740 #if defined(CONFIG_OPENGL)
1741     if (display_opengl) {
1742         /*
1743          * gtk_widget_set_double_buffered() was deprecated in 3.14.
1744          * It is required for opengl rendering on X11 though.  A
1745          * proper replacement (native opengl support) is only
1746          * available in 3.16+.  Silence the warning if possible.
1747          */
1748 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1749 #pragma GCC diagnostic push
1750 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1751 #endif
1752         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1753 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1754 #pragma GCC diagnostic pop
1755 #endif
1756         vc->gfx.dcl.ops = &dcl_egl_ops;
1757     } else
1758 #endif
1759     {
1760         vc->gfx.dcl.ops = &dcl_ops;
1761     }
1762 
1763     vc->gfx.dcl.con = con;
1764     register_displaychangelistener(&vc->gfx.dcl);
1765 
1766     gd_connect_vc_gfx_signals(vc);
1767     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1768 
1769     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
1770         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
1771     }
1772 
1773     return group;
1774 }
1775 
1776 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
1777 {
1778     GSList *group = NULL;
1779     GtkWidget *view_menu;
1780     GtkWidget *separator;
1781     QemuConsole *con;
1782     int vc;
1783 
1784     view_menu = gtk_menu_new();
1785     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
1786 
1787     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1788 
1789     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
1790             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
1791 #if GTK_CHECK_VERSION(3, 8, 0)
1792     gtk_accel_label_set_accel(
1793             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
1794             GDK_KEY_f, HOTKEY_MODIFIERS);
1795 #endif
1796     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1797 
1798     separator = gtk_separator_menu_item_new();
1799     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1800 
1801     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1802     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1803                                  "<QEMU>/View/Zoom In");
1804     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1805                             HOTKEY_MODIFIERS);
1806     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1807 
1808     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1809     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1810                                  "<QEMU>/View/Zoom Out");
1811     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1812                             HOTKEY_MODIFIERS);
1813     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1814 
1815     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1816     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1817                                  "<QEMU>/View/Zoom Fixed");
1818     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1819                             HOTKEY_MODIFIERS);
1820     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1821 
1822     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1823     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1824 
1825     separator = gtk_separator_menu_item_new();
1826     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1827 
1828     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1829     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1830 
1831     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1832     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1833                                  "<QEMU>/View/Grab Input");
1834     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1835                             HOTKEY_MODIFIERS);
1836     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1837 
1838     separator = gtk_separator_menu_item_new();
1839     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1840 
1841     /* gfx */
1842     for (vc = 0;; vc++) {
1843         con = qemu_console_lookup_by_index(vc);
1844         if (!con) {
1845             break;
1846         }
1847         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1848                                vc, group, view_menu);
1849         s->nb_vcs++;
1850     }
1851 
1852 #if defined(CONFIG_VTE)
1853     /* vte */
1854     gd_vcs_init(s, group, view_menu);
1855 #endif
1856 
1857     separator = gtk_separator_menu_item_new();
1858     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1859 
1860     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1861     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1862 
1863     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1864     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1865 
1866     return view_menu;
1867 }
1868 
1869 static void gd_create_menus(GtkDisplayState *s)
1870 {
1871     s->accel_group = gtk_accel_group_new();
1872     s->machine_menu = gd_create_menu_machine(s);
1873     s->view_menu = gd_create_menu_view(s);
1874 
1875     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1876     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1877                               s->machine_menu);
1878     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1879 
1880     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1881     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1882     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1883 
1884     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
1885     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
1886 }
1887 
1888 static void gd_set_keycode_type(GtkDisplayState *s)
1889 {
1890 #ifdef GDK_WINDOWING_X11
1891     GdkDisplay *display = gtk_widget_get_display(s->window);
1892     if (GDK_IS_X11_DISPLAY(display)) {
1893         Display *x11_display = gdk_x11_display_get_xdisplay(display);
1894         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
1895                                          XkbUseCoreKbd);
1896         char *keycodes = NULL;
1897 
1898         if (desc && desc->names) {
1899             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
1900         }
1901         if (keycodes == NULL) {
1902             fprintf(stderr, "could not lookup keycode name\n");
1903         } else if (strstart(keycodes, "evdev", NULL)) {
1904             s->has_evdev = true;
1905         } else if (!strstart(keycodes, "xfree86", NULL)) {
1906             fprintf(stderr, "unknown keycodes `%s', please report to "
1907                     "qemu-devel@nongnu.org\n", keycodes);
1908         }
1909 
1910         if (desc) {
1911             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
1912         }
1913         if (keycodes) {
1914             XFree(keycodes);
1915         }
1916     }
1917 #endif
1918 }
1919 
1920 static gboolean gtkinit;
1921 
1922 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1923 {
1924     GtkDisplayState *s = g_malloc0(sizeof(*s));
1925     char *filename;
1926     GdkDisplay *window_display;
1927 
1928     if (!gtkinit) {
1929         fprintf(stderr, "gtk initialization failed\n");
1930         exit(1);
1931     }
1932 
1933     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1934 #if GTK_CHECK_VERSION(3, 2, 0)
1935     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1936 #else
1937     s->vbox = gtk_vbox_new(FALSE, 0);
1938 #endif
1939     s->notebook = gtk_notebook_new();
1940     s->menu_bar = gtk_menu_bar_new();
1941 
1942     s->free_scale = FALSE;
1943 
1944     setlocale(LC_ALL, "");
1945     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1946     textdomain("qemu");
1947 
1948     window_display = gtk_widget_get_display(s->window);
1949     s->null_cursor = gdk_cursor_new_for_display(window_display,
1950                                                 GDK_BLANK_CURSOR);
1951 
1952     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1953     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1954     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1955 
1956     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1957     if (filename) {
1958         GError *error = NULL;
1959         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1960         if (pixbuf) {
1961             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1962         } else {
1963             g_error_free(error);
1964         }
1965         g_free(filename);
1966     }
1967 
1968     gd_create_menus(s);
1969 
1970     gd_connect_signals(s);
1971 
1972     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1973     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1974 
1975     gd_update_caption(s);
1976 
1977     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1978     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1979 
1980     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1981 
1982     gtk_widget_show_all(s->window);
1983 
1984 #ifdef VTE_RESIZE_HACK
1985     {
1986         VirtualConsole *cur = gd_vc_find_current(s);
1987         if (cur) {
1988             int i;
1989 
1990             for (i = 0; i < s->nb_vcs; i++) {
1991                 VirtualConsole *vc = &s->vc[i];
1992                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
1993                     gtk_widget_hide(vc->vte.terminal);
1994                 }
1995             }
1996             gd_update_windowsize(cur);
1997         }
1998     }
1999 #endif
2000 
2001     if (full_screen) {
2002         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2003     }
2004     if (grab_on_hover) {
2005         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2006     }
2007 
2008     gd_set_keycode_type(s);
2009 }
2010 
2011 void early_gtk_display_init(int opengl)
2012 {
2013     gtkinit = gtk_init_check(NULL, NULL);
2014     if (!gtkinit) {
2015         /* don't exit yet, that'll break -help */
2016         return;
2017     }
2018 
2019     switch (opengl) {
2020     case -1: /* default */
2021     case 0:  /* off */
2022         break;
2023     case 1: /* on */
2024 #if defined(CONFIG_OPENGL)
2025         gtk_egl_init();
2026 #endif
2027         break;
2028     default:
2029         g_assert_not_reached();
2030         break;
2031     }
2032 
2033 #if defined(CONFIG_VTE)
2034     register_vc_handler(gd_vc_handler);
2035 #endif
2036 }
2037