xref: /openbmc/qemu/ui/gtk.c (revision bfe528b9b99d52693a55f2b803039d68a97bcfb2)
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 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
40 /* Work around an -Wstrict-prototypes warning in GTK headers */
41 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
42 #endif
43 #include <gtk/gtk.h>
44 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
45 #pragma GCC diagnostic error "-Wstrict-prototypes"
46 #endif
47 
48 
49 #include <gdk/gdkkeysyms.h>
50 #include <glib/gi18n.h>
51 #include <locale.h>
52 #include <vte/vte.h>
53 #include <sys/types.h>
54 #include <sys/socket.h>
55 #include <sys/un.h>
56 #include <sys/wait.h>
57 #include <pty.h>
58 #include <math.h>
59 
60 #include "ui/console.h"
61 #include "sysemu/sysemu.h"
62 #include "qmp-commands.h"
63 #include "x_keymap.h"
64 #include "keymaps.h"
65 #include "sysemu/char.h"
66 
67 //#define DEBUG_GTK
68 
69 #ifdef DEBUG_GTK
70 #define DPRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__)
71 #else
72 #define DPRINTF(fmt, ...) do { } while (0)
73 #endif
74 
75 #define MAX_VCS 10
76 
77 
78 /* Compatibility define to let us build on both Gtk2 and Gtk3 */
79 #if GTK_CHECK_VERSION(3, 0, 0)
80 static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh)
81 {
82     *ww = gdk_window_get_width(w);
83     *wh = gdk_window_get_height(w);
84 }
85 #endif
86 
87 #if !GTK_CHECK_VERSION(2, 20, 0)
88 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
89 #endif
90 
91 #ifndef GDK_KEY_0
92 #define GDK_KEY_0 GDK_0
93 #define GDK_KEY_1 GDK_1
94 #define GDK_KEY_2 GDK_2
95 #define GDK_KEY_f GDK_f
96 #define GDK_KEY_g GDK_g
97 #define GDK_KEY_plus GDK_plus
98 #define GDK_KEY_minus GDK_minus
99 #endif
100 
101 static const int modifier_keycode[] = {
102     /* shift, control, alt keys, meta keys, both left & right */
103     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
104 };
105 
106 typedef struct VirtualConsole
107 {
108     GtkWidget *menu_item;
109     GtkWidget *terminal;
110     GtkWidget *scrolled_window;
111     CharDriverState *chr;
112     int fd;
113 } VirtualConsole;
114 
115 typedef struct GtkDisplayState
116 {
117     GtkWidget *window;
118 
119     GtkWidget *menu_bar;
120 
121     GtkAccelGroup *accel_group;
122 
123     GtkWidget *machine_menu_item;
124     GtkWidget *machine_menu;
125     GtkWidget *pause_item;
126     GtkWidget *reset_item;
127     GtkWidget *powerdown_item;
128     GtkWidget *quit_item;
129 
130     GtkWidget *view_menu_item;
131     GtkWidget *view_menu;
132     GtkWidget *full_screen_item;
133     GtkWidget *zoom_in_item;
134     GtkWidget *zoom_out_item;
135     GtkWidget *zoom_fixed_item;
136     GtkWidget *zoom_fit_item;
137     GtkWidget *grab_item;
138     GtkWidget *grab_on_hover_item;
139     GtkWidget *vga_item;
140 
141     int nb_vcs;
142     VirtualConsole vc[MAX_VCS];
143 
144     GtkWidget *show_tabs_item;
145 
146     GtkWidget *vbox;
147     GtkWidget *notebook;
148     GtkWidget *drawing_area;
149     cairo_surface_t *surface;
150     DisplayChangeListener dcl;
151     DisplaySurface *ds;
152     int button_mask;
153     int last_x;
154     int last_y;
155 
156     double scale_x;
157     double scale_y;
158     gboolean full_screen;
159 
160     GdkCursor *null_cursor;
161     Notifier mouse_mode_notifier;
162     gboolean free_scale;
163 
164     bool external_pause_update;
165 
166     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
167 } GtkDisplayState;
168 
169 static GtkDisplayState *global_state;
170 
171 /** Utility Functions **/
172 
173 static bool gd_is_grab_active(GtkDisplayState *s)
174 {
175     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
176 }
177 
178 static bool gd_grab_on_hover(GtkDisplayState *s)
179 {
180     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
181 }
182 
183 static bool gd_on_vga(GtkDisplayState *s)
184 {
185     return gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook)) == 0;
186 }
187 
188 static void gd_update_cursor(GtkDisplayState *s, gboolean override)
189 {
190     GdkWindow *window;
191     bool on_vga;
192 
193     window = gtk_widget_get_window(GTK_WIDGET(s->drawing_area));
194 
195     on_vga = gd_on_vga(s);
196 
197     if ((override || on_vga) &&
198         (s->full_screen || kbd_mouse_is_absolute() || gd_is_grab_active(s))) {
199         gdk_window_set_cursor(window, s->null_cursor);
200     } else {
201         gdk_window_set_cursor(window, NULL);
202     }
203 }
204 
205 static void gd_update_caption(GtkDisplayState *s)
206 {
207     const char *status = "";
208     gchar *title;
209     const char *grab = "";
210     bool is_paused = !runstate_is_running();
211 
212     if (gd_is_grab_active(s)) {
213         grab = _(" - Press Ctrl+Alt+G to release grab");
214     }
215 
216     if (is_paused) {
217         status = _(" [Paused]");
218     }
219     s->external_pause_update = true;
220     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
221                                    is_paused);
222     s->external_pause_update = false;
223 
224     if (qemu_name) {
225         title = g_strdup_printf("QEMU (%s)%s%s", qemu_name, status, grab);
226     } else {
227         title = g_strdup_printf("QEMU%s%s", status, grab);
228     }
229 
230     gtk_window_set_title(GTK_WINDOW(s->window), title);
231 
232     g_free(title);
233 }
234 
235 static void gd_update_windowsize(GtkDisplayState *s)
236 {
237     if (!s->full_screen) {
238         GtkRequisition req;
239         double sx, sy;
240 
241         if (s->free_scale) {
242             sx = s->scale_x;
243             sy = s->scale_y;
244 
245             s->scale_y = 1.0;
246             s->scale_x = 1.0;
247         } else {
248             sx = 1.0;
249             sy = 1.0;
250         }
251 
252         gtk_widget_set_size_request(s->drawing_area,
253                                     surface_width(s->ds) * s->scale_x,
254                                     surface_height(s->ds) * s->scale_y);
255 #if GTK_CHECK_VERSION(3, 0, 0)
256         gtk_widget_get_preferred_size(s->vbox, NULL, &req);
257 #else
258         gtk_widget_size_request(s->vbox, &req);
259 #endif
260 
261         gtk_window_resize(GTK_WINDOW(s->window),
262                           req.width * sx, req.height * sy);
263     }
264 }
265 
266 static void gd_update_full_redraw(GtkDisplayState *s)
267 {
268     int ww, wh;
269     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
270     gtk_widget_queue_draw_area(s->drawing_area, 0, 0, ww, wh);
271 }
272 
273 static void gtk_release_modifiers(GtkDisplayState *s)
274 {
275     int i, keycode;
276 
277     if (!gd_on_vga(s)) {
278         return;
279     }
280     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
281         keycode = modifier_keycode[i];
282         if (!s->modifier_pressed[i]) {
283             continue;
284         }
285         if (keycode & SCANCODE_GREY) {
286             kbd_put_keycode(SCANCODE_EMUL0);
287         }
288         kbd_put_keycode(keycode | SCANCODE_UP);
289         s->modifier_pressed[i] = false;
290     }
291 }
292 
293 /** DisplayState Callbacks **/
294 
295 static void gd_update(DisplayChangeListener *dcl,
296                       int x, int y, int w, int h)
297 {
298     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
299     int x1, x2, y1, y2;
300     int mx, my;
301     int fbw, fbh;
302     int ww, wh;
303 
304     DPRINTF("update(x=%d, y=%d, w=%d, h=%d)\n", x, y, w, h);
305 
306     x1 = floor(x * s->scale_x);
307     y1 = floor(y * s->scale_y);
308 
309     x2 = ceil(x * s->scale_x + w * s->scale_x);
310     y2 = ceil(y * s->scale_y + h * s->scale_y);
311 
312     fbw = surface_width(s->ds) * s->scale_x;
313     fbh = surface_height(s->ds) * s->scale_y;
314 
315     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
316 
317     mx = my = 0;
318     if (ww > fbw) {
319         mx = (ww - fbw) / 2;
320     }
321     if (wh > fbh) {
322         my = (wh - fbh) / 2;
323     }
324 
325     gtk_widget_queue_draw_area(s->drawing_area, mx + x1, my + y1, (x2 - x1), (y2 - y1));
326 }
327 
328 static void gd_refresh(DisplayChangeListener *dcl)
329 {
330     graphic_hw_update(dcl->con);
331 }
332 
333 static void gd_mouse_set(DisplayChangeListener *dcl,
334                          int x, int y, int visible)
335 {
336     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
337     gint x_root, y_root;
338 
339     gdk_window_get_root_coords(s->drawing_area->window,
340                                x, y, &x_root, &y_root);
341     gdk_display_warp_pointer(gtk_widget_get_display(s->drawing_area),
342                              gtk_widget_get_screen(s->drawing_area),
343                              x_root, y_root);
344 }
345 
346 static void gd_cursor_define(DisplayChangeListener *dcl,
347                              QEMUCursor *c)
348 {
349     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
350     GdkPixbuf *pixbuf;
351     GdkCursor *cursor;
352 
353     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
354                                       GDK_COLORSPACE_RGB, true, 8,
355                                       c->width, c->height, c->width * 4,
356                                       NULL, NULL);
357     cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(s->drawing_area),
358                                         pixbuf, c->hot_x, c->hot_y);
359     gdk_window_set_cursor(s->drawing_area->window, cursor);
360     g_object_unref(pixbuf);
361     g_object_unref(cursor);
362 }
363 
364 static void gd_switch(DisplayChangeListener *dcl,
365                       DisplaySurface *surface)
366 {
367     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
368     cairo_format_t kind;
369     bool resized = true;
370     int stride;
371 
372     DPRINTF("resize(width=%d, height=%d)\n",
373             surface_width(surface), surface_height(surface));
374 
375     if (s->surface) {
376         cairo_surface_destroy(s->surface);
377     }
378 
379     if (s->ds &&
380         surface_width(s->ds) == surface_width(surface) &&
381         surface_height(s->ds) == surface_height(surface)) {
382         resized = false;
383     }
384     s->ds = surface;
385     switch (surface_bits_per_pixel(surface)) {
386     case 8:
387         kind = CAIRO_FORMAT_A8;
388         break;
389     case 16:
390         kind = CAIRO_FORMAT_RGB16_565;
391         break;
392     case 32:
393         kind = CAIRO_FORMAT_RGB24;
394         break;
395     default:
396         g_assert_not_reached();
397         break;
398     }
399 
400     stride = cairo_format_stride_for_width(kind, surface_width(surface));
401     g_assert(surface_stride(surface) == stride);
402 
403     s->surface = cairo_image_surface_create_for_data(surface_data(surface),
404                                                      kind,
405                                                      surface_width(surface),
406                                                      surface_height(surface),
407                                                      surface_stride(surface));
408 
409     if (resized) {
410         gd_update_windowsize(s);
411     } else {
412         gd_update_full_redraw(s);
413     }
414 }
415 
416 /** QEMU Events **/
417 
418 static void gd_change_runstate(void *opaque, int running, RunState state)
419 {
420     GtkDisplayState *s = opaque;
421 
422     gd_update_caption(s);
423 }
424 
425 static void gd_mouse_mode_change(Notifier *notify, void *data)
426 {
427     gd_update_cursor(container_of(notify, GtkDisplayState, mouse_mode_notifier),
428                      FALSE);
429 }
430 
431 /** GTK Events **/
432 
433 static gboolean gd_window_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
434 {
435     GtkDisplayState *s = opaque;
436     GtkAccelGroupEntry *entries;
437     guint n_entries = 0;
438     gboolean propagate_accel = TRUE;
439     gboolean handled = FALSE;
440 
441     entries = gtk_accel_group_query(s->accel_group, key->keyval,
442                                     key->state, &n_entries);
443     if (n_entries) {
444         const char *quark = g_quark_to_string(entries[0].accel_path_quark);
445 
446         if (gd_is_grab_active(s) && strstart(quark, "<QEMU>/File/", NULL)) {
447             propagate_accel = FALSE;
448         }
449     }
450 
451     if (!handled && propagate_accel) {
452         handled = gtk_window_activate_key(GTK_WINDOW(widget), key);
453     }
454     if (handled) {
455         gtk_release_modifiers(s);
456     } else {
457         handled = gtk_window_propagate_key_event(GTK_WINDOW(widget), key);
458     }
459 
460     return handled;
461 }
462 
463 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
464                                 void *opaque)
465 {
466     GtkDisplayState *s = opaque;
467 
468     if (!no_quit) {
469         unregister_displaychangelistener(&s->dcl);
470         qmp_quit(NULL);
471         return FALSE;
472     }
473 
474     return TRUE;
475 }
476 
477 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
478 {
479     GtkDisplayState *s = opaque;
480     int mx, my;
481     int ww, wh;
482     int fbw, fbh;
483 
484     if (!gtk_widget_get_realized(widget)) {
485         return FALSE;
486     }
487 
488     fbw = surface_width(s->ds);
489     fbh = surface_height(s->ds);
490 
491     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
492 
493     if (s->full_screen) {
494         s->scale_x = (double)ww / fbw;
495         s->scale_y = (double)wh / fbh;
496     } else if (s->free_scale) {
497         double sx, sy;
498 
499         sx = (double)ww / fbw;
500         sy = (double)wh / fbh;
501 
502         s->scale_x = s->scale_y = MIN(sx, sy);
503     }
504 
505     fbw *= s->scale_x;
506     fbh *= s->scale_y;
507 
508     mx = my = 0;
509     if (ww > fbw) {
510         mx = (ww - fbw) / 2;
511     }
512     if (wh > fbh) {
513         my = (wh - fbh) / 2;
514     }
515 
516     cairo_rectangle(cr, 0, 0, ww, wh);
517 
518     /* Optionally cut out the inner area where the pixmap
519        will be drawn. This avoids 'flashing' since we're
520        not double-buffering. Note we're using the undocumented
521        behaviour of drawing the rectangle from right to left
522        to cut out the whole */
523     cairo_rectangle(cr, mx + fbw, my,
524                     -1 * fbw, fbh);
525     cairo_fill(cr);
526 
527     cairo_scale(cr, s->scale_x, s->scale_y);
528     cairo_set_source_surface(cr, s->surface, mx / s->scale_x, my / s->scale_y);
529     cairo_paint(cr);
530 
531     return TRUE;
532 }
533 
534 #if !GTK_CHECK_VERSION(3, 0, 0)
535 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
536                                 void *opaque)
537 {
538     cairo_t *cr;
539     gboolean ret;
540 
541     cr = gdk_cairo_create(gtk_widget_get_window(widget));
542     cairo_rectangle(cr,
543                     expose->area.x,
544                     expose->area.y,
545                     expose->area.width,
546                     expose->area.height);
547     cairo_clip(cr);
548 
549     ret = gd_draw_event(widget, cr, opaque);
550 
551     cairo_destroy(cr);
552 
553     return ret;
554 }
555 #endif
556 
557 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
558                                 void *opaque)
559 {
560     GtkDisplayState *s = opaque;
561     int dx, dy;
562     int x, y;
563     int mx, my;
564     int fbh, fbw;
565     int ww, wh;
566 
567     fbw = surface_width(s->ds) * s->scale_x;
568     fbh = surface_height(s->ds) * s->scale_y;
569 
570     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
571 
572     mx = my = 0;
573     if (ww > fbw) {
574         mx = (ww - fbw) / 2;
575     }
576     if (wh > fbh) {
577         my = (wh - fbh) / 2;
578     }
579 
580     x = (motion->x - mx) / s->scale_x;
581     y = (motion->y - my) / s->scale_y;
582 
583     if (x < 0 || y < 0 ||
584         x >= surface_width(s->ds) ||
585         y >= surface_height(s->ds)) {
586         return TRUE;
587     }
588 
589     if (kbd_mouse_is_absolute()) {
590         dx = x * 0x7FFF / (surface_width(s->ds) - 1);
591         dy = y * 0x7FFF / (surface_height(s->ds) - 1);
592     } else if (s->last_x == -1 || s->last_y == -1) {
593         dx = 0;
594         dy = 0;
595     } else {
596         dx = x - s->last_x;
597         dy = y - s->last_y;
598     }
599 
600     s->last_x = x;
601     s->last_y = y;
602 
603     if (kbd_mouse_is_absolute() || gd_is_grab_active(s)) {
604         kbd_mouse_event(dx, dy, 0, s->button_mask);
605     }
606 
607     if (!kbd_mouse_is_absolute() && gd_is_grab_active(s)) {
608         GdkScreen *screen = gtk_widget_get_screen(s->drawing_area);
609         int x = (int)motion->x_root;
610         int y = (int)motion->y_root;
611 
612         /* In relative mode check to see if client pointer hit
613          * one of the screen edges, and if so move it back by
614          * 200 pixels. This is important because the pointer
615          * in the server doesn't correspond 1-for-1, and so
616          * may still be only half way across the screen. Without
617          * this warp, the server pointer would thus appear to hit
618          * an invisible wall */
619         if (x == 0) {
620             x += 200;
621         }
622         if (y == 0) {
623             y += 200;
624         }
625         if (x == (gdk_screen_get_width(screen) - 1)) {
626             x -= 200;
627         }
628         if (y == (gdk_screen_get_height(screen) - 1)) {
629             y -= 200;
630         }
631 
632         if (x != (int)motion->x_root || y != (int)motion->y_root) {
633 #if GTK_CHECK_VERSION(3, 0, 0)
634             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
635             gdk_device_warp(dev, screen, x, y);
636 #else
637             GdkDisplay *display = gtk_widget_get_display(widget);
638             gdk_display_warp_pointer(display, screen, x, y);
639 #endif
640             s->last_x = -1;
641             s->last_y = -1;
642             return FALSE;
643         }
644     }
645     return TRUE;
646 }
647 
648 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
649                                 void *opaque)
650 {
651     GtkDisplayState *s = opaque;
652     int dx, dy;
653     int n;
654 
655     if (button->button == 1) {
656         n = 0x01;
657     } else if (button->button == 2) {
658         n = 0x04;
659     } else if (button->button == 3) {
660         n = 0x02;
661     } else {
662         n = 0x00;
663     }
664 
665     if (button->type == GDK_BUTTON_PRESS) {
666         s->button_mask |= n;
667     } else if (button->type == GDK_BUTTON_RELEASE) {
668         s->button_mask &= ~n;
669     }
670 
671     if (kbd_mouse_is_absolute()) {
672         dx = s->last_x * 0x7FFF / (surface_width(s->ds) - 1);
673         dy = s->last_y * 0x7FFF / (surface_height(s->ds) - 1);
674     } else {
675         dx = 0;
676         dy = 0;
677     }
678 
679     kbd_mouse_event(dx, dy, 0, s->button_mask);
680 
681     return TRUE;
682 }
683 
684 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
685 {
686     GtkDisplayState *s = opaque;
687     int gdk_keycode;
688     int qemu_keycode;
689     int i;
690 
691     gdk_keycode = key->hardware_keycode;
692 
693     if (gdk_keycode < 9) {
694         qemu_keycode = 0;
695     } else if (gdk_keycode < 97) {
696         qemu_keycode = gdk_keycode - 8;
697     } else if (gdk_keycode < 158) {
698         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
699     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
700         qemu_keycode = 0x70;
701     } else if (gdk_keycode == 211) { /* backslash */
702         qemu_keycode = 0x73;
703     } else {
704         qemu_keycode = 0;
705     }
706 
707     DPRINTF("translated GDK keycode %d to QEMU keycode %d (%s)\n",
708             gdk_keycode, qemu_keycode,
709             (key->type == GDK_KEY_PRESS) ? "down" : "up");
710 
711     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
712         if (qemu_keycode == modifier_keycode[i]) {
713             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
714         }
715     }
716 
717     if (qemu_keycode & SCANCODE_GREY) {
718         kbd_put_keycode(SCANCODE_EMUL0);
719     }
720 
721     if (key->type == GDK_KEY_PRESS) {
722         kbd_put_keycode(qemu_keycode & SCANCODE_KEYCODEMASK);
723     } else if (key->type == GDK_KEY_RELEASE) {
724         kbd_put_keycode(qemu_keycode | SCANCODE_UP);
725     } else {
726         g_assert_not_reached();
727     }
728 
729     return TRUE;
730 }
731 
732 /** Window Menu Actions **/
733 
734 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
735 {
736     GtkDisplayState *s = opaque;
737 
738     if (s->external_pause_update) {
739         return;
740     }
741     if (runstate_is_running()) {
742         qmp_stop(NULL);
743     } else {
744         qmp_cont(NULL);
745     }
746 }
747 
748 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
749 {
750     qmp_system_reset(NULL);
751 }
752 
753 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
754 {
755     qmp_system_powerdown(NULL);
756 }
757 
758 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
759 {
760     qmp_quit(NULL);
761 }
762 
763 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
764 {
765     GtkDisplayState *s = opaque;
766 
767     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vga_item))) {
768         gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), 0);
769     } else {
770         int i;
771 
772         gtk_release_modifiers(s);
773         for (i = 0; i < s->nb_vcs; i++) {
774             if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vc[i].menu_item))) {
775                 gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), i + 1);
776                 break;
777             }
778         }
779     }
780 }
781 
782 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
783 {
784     GtkDisplayState *s = opaque;
785 
786     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
787         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
788     } else {
789         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
790     }
791 }
792 
793 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
794 {
795     GtkDisplayState *s = opaque;
796 
797     if (!s->full_screen) {
798         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
799         gtk_widget_set_size_request(s->menu_bar, 0, 0);
800         gtk_widget_set_size_request(s->drawing_area, -1, -1);
801         gtk_window_fullscreen(GTK_WINDOW(s->window));
802         if (gd_on_vga(s)) {
803             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), TRUE);
804         }
805         s->full_screen = TRUE;
806     } else {
807         gtk_window_unfullscreen(GTK_WINDOW(s->window));
808         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
809         gtk_widget_set_size_request(s->menu_bar, -1, -1);
810         gtk_widget_set_size_request(s->drawing_area,
811                                     surface_width(s->ds),
812                                     surface_height(s->ds));
813         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), FALSE);
814         s->full_screen = FALSE;
815         s->scale_x = 1.0;
816         s->scale_y = 1.0;
817     }
818 
819     gd_update_cursor(s, FALSE);
820 }
821 
822 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
823 {
824     GtkDisplayState *s = opaque;
825 
826     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
827                                    FALSE);
828 
829     s->scale_x += .25;
830     s->scale_y += .25;
831 
832     gd_update_windowsize(s);
833 }
834 
835 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
836 {
837     GtkDisplayState *s = opaque;
838 
839     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
840                                    FALSE);
841 
842     s->scale_x -= .25;
843     s->scale_y -= .25;
844 
845     s->scale_x = MAX(s->scale_x, .25);
846     s->scale_y = MAX(s->scale_y, .25);
847 
848     gd_update_windowsize(s);
849 }
850 
851 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
852 {
853     GtkDisplayState *s = opaque;
854 
855     s->scale_x = 1.0;
856     s->scale_y = 1.0;
857 
858     gd_update_windowsize(s);
859 }
860 
861 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
862 {
863     GtkDisplayState *s = opaque;
864 
865     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
866         s->free_scale = TRUE;
867     } else {
868         s->free_scale = FALSE;
869     }
870 
871     gd_update_windowsize(s);
872     gd_update_full_redraw(s);
873 }
874 
875 static void gd_grab_keyboard(GtkDisplayState *s)
876 {
877 #if GTK_CHECK_VERSION(3, 0, 0)
878     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
879     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
880     GList *devices = gdk_device_manager_list_devices(mgr,
881                                                      GDK_DEVICE_TYPE_MASTER);
882     GList *tmp = devices;
883     while (tmp) {
884         GdkDevice *dev = tmp->data;
885         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
886             gdk_device_grab(dev,
887                             gtk_widget_get_window(s->drawing_area),
888                             GDK_OWNERSHIP_NONE,
889                             FALSE,
890                             GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
891                             NULL,
892                             GDK_CURRENT_TIME);
893         }
894         tmp = tmp->next;
895     }
896     g_list_free(devices);
897 #else
898     gdk_keyboard_grab(gtk_widget_get_window(s->drawing_area),
899                       FALSE,
900                       GDK_CURRENT_TIME);
901 #endif
902 }
903 
904 static void gd_ungrab_keyboard(GtkDisplayState *s)
905 {
906 #if GTK_CHECK_VERSION(3, 0, 0)
907     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
908     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
909     GList *devices = gdk_device_manager_list_devices(mgr,
910                                                      GDK_DEVICE_TYPE_MASTER);
911     GList *tmp = devices;
912     while (tmp) {
913         GdkDevice *dev = tmp->data;
914         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
915             gdk_device_ungrab(dev,
916                               GDK_CURRENT_TIME);
917         }
918         tmp = tmp->next;
919     }
920     g_list_free(devices);
921 #else
922     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
923 #endif
924 }
925 
926 static void gd_grab_pointer(GtkDisplayState *s)
927 {
928 #if GTK_CHECK_VERSION(3, 0, 0)
929     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
930     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
931     GList *devices = gdk_device_manager_list_devices(mgr,
932                                                      GDK_DEVICE_TYPE_MASTER);
933     GList *tmp = devices;
934     while (tmp) {
935         GdkDevice *dev = tmp->data;
936         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
937             gdk_device_grab(dev,
938                             gtk_widget_get_window(s->drawing_area),
939                             GDK_OWNERSHIP_NONE,
940                             FALSE, /* All events to come to our
941                                       window directly */
942                             GDK_POINTER_MOTION_MASK |
943                             GDK_BUTTON_PRESS_MASK |
944                             GDK_BUTTON_RELEASE_MASK |
945                             GDK_BUTTON_MOTION_MASK |
946                             GDK_SCROLL_MASK,
947                             s->null_cursor,
948                             GDK_CURRENT_TIME);
949         }
950         tmp = tmp->next;
951     }
952     g_list_free(devices);
953 #else
954     gdk_pointer_grab(gtk_widget_get_window(s->drawing_area),
955                      FALSE, /* All events to come to our window directly */
956                      GDK_POINTER_MOTION_MASK |
957                      GDK_BUTTON_PRESS_MASK |
958                      GDK_BUTTON_RELEASE_MASK |
959                      GDK_BUTTON_MOTION_MASK |
960                      GDK_SCROLL_MASK,
961                      NULL, /* Allow cursor to move over entire desktop */
962                      s->null_cursor,
963                      GDK_CURRENT_TIME);
964 #endif
965 }
966 
967 static void gd_ungrab_pointer(GtkDisplayState *s)
968 {
969 #if GTK_CHECK_VERSION(3, 0, 0)
970     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
971     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
972     GList *devices = gdk_device_manager_list_devices(mgr,
973                                                      GDK_DEVICE_TYPE_MASTER);
974     GList *tmp = devices;
975     while (tmp) {
976         GdkDevice *dev = tmp->data;
977         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
978             gdk_device_ungrab(dev,
979                               GDK_CURRENT_TIME);
980         }
981         tmp = tmp->next;
982     }
983     g_list_free(devices);
984 #else
985     gdk_pointer_ungrab(GDK_CURRENT_TIME);
986 #endif
987 }
988 
989 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
990 {
991     GtkDisplayState *s = opaque;
992 
993     if (gd_is_grab_active(s)) {
994         gd_grab_keyboard(s);
995         gd_grab_pointer(s);
996     } else {
997         gd_ungrab_keyboard(s);
998         gd_ungrab_pointer(s);
999     }
1000 
1001     gd_update_caption(s);
1002     gd_update_cursor(s, FALSE);
1003 }
1004 
1005 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1006                            gpointer data)
1007 {
1008     GtkDisplayState *s = data;
1009     guint last_page;
1010     gboolean on_vga;
1011 
1012     if (!gtk_widget_get_realized(s->notebook)) {
1013         return;
1014     }
1015 
1016     last_page = gtk_notebook_get_current_page(nb);
1017 
1018     if (last_page) {
1019         gtk_widget_set_size_request(s->vc[last_page - 1].terminal, -1, -1);
1020     }
1021 
1022     on_vga = arg2 == 0;
1023 
1024     if (!on_vga) {
1025         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1026                                        FALSE);
1027     } else if (s->full_screen) {
1028         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1029                                        TRUE);
1030     }
1031 
1032     if (arg2 == 0) {
1033         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->vga_item), TRUE);
1034     } else {
1035         VirtualConsole *vc = &s->vc[arg2 - 1];
1036         VteTerminal *term = VTE_TERMINAL(vc->terminal);
1037         int width, height;
1038 
1039         width = 80 * vte_terminal_get_char_width(term);
1040         height = 25 * vte_terminal_get_char_height(term);
1041 
1042         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1043         gtk_widget_set_size_request(vc->terminal, width, height);
1044     }
1045 
1046     gtk_widget_set_sensitive(s->grab_item, on_vga);
1047 
1048     gd_update_cursor(s, TRUE);
1049 }
1050 
1051 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
1052 {
1053     GtkDisplayState *s = data;
1054 
1055     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1056         gd_grab_keyboard(s);
1057     }
1058 
1059     return TRUE;
1060 }
1061 
1062 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
1063 {
1064     GtkDisplayState *s = data;
1065 
1066     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1067         gd_ungrab_keyboard(s);
1068     }
1069 
1070     return TRUE;
1071 }
1072 
1073 static gboolean gd_focus_out_event(GtkWidget *widget,
1074                                    GdkEventCrossing *crossing, gpointer data)
1075 {
1076     GtkDisplayState *s = data;
1077 
1078     gtk_release_modifiers(s);
1079 
1080     return TRUE;
1081 }
1082 
1083 /** Virtual Console Callbacks **/
1084 
1085 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1086 {
1087     VirtualConsole *vc = chr->opaque;
1088 
1089     return write(vc->fd, buf, len);
1090 }
1091 
1092 static int nb_vcs;
1093 static CharDriverState *vcs[MAX_VCS];
1094 
1095 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1096 {
1097     CharDriverState *chr;
1098 
1099     chr = g_malloc0(sizeof(*chr));
1100     chr->chr_write = gd_vc_chr_write;
1101 
1102     vcs[nb_vcs++] = chr;
1103 
1104     return chr;
1105 }
1106 
1107 void early_gtk_display_init(void)
1108 {
1109     register_vc_handler(gd_vc_handler);
1110 }
1111 
1112 static gboolean gd_vc_in(GIOChannel *chan, GIOCondition cond, void *opaque)
1113 {
1114     VirtualConsole *vc = opaque;
1115     uint8_t buffer[1024];
1116     ssize_t len;
1117 
1118     len = read(vc->fd, buffer, sizeof(buffer));
1119     if (len <= 0) {
1120         return FALSE;
1121     }
1122 
1123     qemu_chr_be_write(vc->chr, buffer, len);
1124 
1125     return TRUE;
1126 }
1127 
1128 static GSList *gd_vc_init(GtkDisplayState *s, VirtualConsole *vc, int index, GSList *group)
1129 {
1130     const char *label;
1131     char buffer[32];
1132     char path[32];
1133 #if VTE_CHECK_VERSION(0, 26, 0)
1134     VtePty *pty;
1135 #endif
1136     GIOChannel *chan;
1137     GtkWidget *scrolled_window;
1138     GtkAdjustment *vadjustment;
1139     int master_fd, slave_fd, ret;
1140     struct termios tty;
1141 
1142     snprintf(buffer, sizeof(buffer), "vc%d", index);
1143     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", index);
1144 
1145     vc->chr = vcs[index];
1146 
1147     if (vc->chr->label) {
1148         label = vc->chr->label;
1149     } else {
1150         label = buffer;
1151     }
1152 
1153     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, label);
1154     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1155     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1156     gtk_accel_map_add_entry(path, GDK_KEY_2 + index, GDK_CONTROL_MASK | GDK_MOD1_MASK);
1157 
1158     vc->terminal = vte_terminal_new();
1159 
1160     ret = openpty(&master_fd, &slave_fd, NULL, NULL, NULL);
1161     g_assert(ret != -1);
1162 
1163     /* Set raw attributes on the pty. */
1164     tcgetattr(slave_fd, &tty);
1165     cfmakeraw(&tty);
1166     tcsetattr(slave_fd, TCSAFLUSH, &tty);
1167 
1168 #if VTE_CHECK_VERSION(0, 26, 0)
1169     pty = vte_pty_new_foreign(master_fd, NULL);
1170     vte_terminal_set_pty_object(VTE_TERMINAL(vc->terminal), pty);
1171 #else
1172     vte_terminal_set_pty(VTE_TERMINAL(vc->terminal), master_fd);
1173 #endif
1174 
1175     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->terminal), -1);
1176 
1177     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->terminal));
1178 
1179     scrolled_window = gtk_scrolled_window_new(NULL, vadjustment);
1180     gtk_container_add(GTK_CONTAINER(scrolled_window), vc->terminal);
1181 
1182     vte_terminal_set_size(VTE_TERMINAL(vc->terminal), 80, 25);
1183 
1184     vc->fd = slave_fd;
1185     vc->chr->opaque = vc;
1186     vc->scrolled_window = scrolled_window;
1187 
1188     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vc->scrolled_window),
1189                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1190 
1191     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), scrolled_window, gtk_label_new(label));
1192     g_signal_connect(vc->menu_item, "activate",
1193                      G_CALLBACK(gd_menu_switch_vc), s);
1194 
1195     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), vc->menu_item);
1196 
1197     qemu_chr_be_generic_open(vc->chr);
1198     if (vc->chr->init) {
1199         vc->chr->init(vc->chr);
1200     }
1201 
1202     chan = g_io_channel_unix_new(vc->fd);
1203     g_io_add_watch(chan, G_IO_IN, gd_vc_in, vc);
1204 
1205     return group;
1206 }
1207 
1208 /** Window Creation **/
1209 
1210 static void gd_connect_signals(GtkDisplayState *s)
1211 {
1212     g_signal_connect(s->show_tabs_item, "activate",
1213                      G_CALLBACK(gd_menu_show_tabs), s);
1214 
1215     g_signal_connect(s->window, "key-press-event",
1216                      G_CALLBACK(gd_window_key_event), s);
1217     g_signal_connect(s->window, "delete-event",
1218                      G_CALLBACK(gd_window_close), s);
1219 
1220 #if GTK_CHECK_VERSION(3, 0, 0)
1221     g_signal_connect(s->drawing_area, "draw",
1222                      G_CALLBACK(gd_draw_event), s);
1223 #else
1224     g_signal_connect(s->drawing_area, "expose-event",
1225                      G_CALLBACK(gd_expose_event), s);
1226 #endif
1227     g_signal_connect(s->drawing_area, "motion-notify-event",
1228                      G_CALLBACK(gd_motion_event), s);
1229     g_signal_connect(s->drawing_area, "button-press-event",
1230                      G_CALLBACK(gd_button_event), s);
1231     g_signal_connect(s->drawing_area, "button-release-event",
1232                      G_CALLBACK(gd_button_event), s);
1233     g_signal_connect(s->drawing_area, "key-press-event",
1234                      G_CALLBACK(gd_key_event), s);
1235     g_signal_connect(s->drawing_area, "key-release-event",
1236                      G_CALLBACK(gd_key_event), s);
1237 
1238     g_signal_connect(s->pause_item, "activate",
1239                      G_CALLBACK(gd_menu_pause), s);
1240     g_signal_connect(s->reset_item, "activate",
1241                      G_CALLBACK(gd_menu_reset), s);
1242     g_signal_connect(s->powerdown_item, "activate",
1243                      G_CALLBACK(gd_menu_powerdown), s);
1244     g_signal_connect(s->quit_item, "activate",
1245                      G_CALLBACK(gd_menu_quit), s);
1246     g_signal_connect(s->full_screen_item, "activate",
1247                      G_CALLBACK(gd_menu_full_screen), s);
1248     g_signal_connect(s->zoom_in_item, "activate",
1249                      G_CALLBACK(gd_menu_zoom_in), s);
1250     g_signal_connect(s->zoom_out_item, "activate",
1251                      G_CALLBACK(gd_menu_zoom_out), s);
1252     g_signal_connect(s->zoom_fixed_item, "activate",
1253                      G_CALLBACK(gd_menu_zoom_fixed), s);
1254     g_signal_connect(s->zoom_fit_item, "activate",
1255                      G_CALLBACK(gd_menu_zoom_fit), s);
1256     g_signal_connect(s->vga_item, "activate",
1257                      G_CALLBACK(gd_menu_switch_vc), s);
1258     g_signal_connect(s->grab_item, "activate",
1259                      G_CALLBACK(gd_menu_grab_input), s);
1260     g_signal_connect(s->notebook, "switch-page",
1261                      G_CALLBACK(gd_change_page), s);
1262     g_signal_connect(s->drawing_area, "enter-notify-event",
1263                      G_CALLBACK(gd_enter_event), s);
1264     g_signal_connect(s->drawing_area, "leave-notify-event",
1265                      G_CALLBACK(gd_leave_event), s);
1266     g_signal_connect(s->drawing_area, "focus-out-event",
1267                      G_CALLBACK(gd_focus_out_event), s);
1268 }
1269 
1270 static void gd_create_menus(GtkDisplayState *s)
1271 {
1272     GtkStockItem item;
1273     GtkAccelGroup *accel_group;
1274     GSList *group = NULL;
1275     GtkWidget *separator;
1276     int i;
1277 
1278     accel_group = gtk_accel_group_new();
1279     s->machine_menu = gtk_menu_new();
1280     gtk_menu_set_accel_group(GTK_MENU(s->machine_menu), accel_group);
1281     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1282 
1283     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1284     gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), s->pause_item);
1285 
1286     separator = gtk_separator_menu_item_new();
1287     gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), separator);
1288 
1289     s->reset_item = gtk_image_menu_item_new_with_mnemonic(_("_Reset"));
1290     gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), s->reset_item);
1291 
1292     s->powerdown_item = gtk_image_menu_item_new_with_mnemonic(_("Power _Down"));
1293     gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), s->powerdown_item);
1294 
1295     separator = gtk_separator_menu_item_new();
1296     gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), separator);
1297 
1298     s->quit_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, NULL);
1299     gtk_stock_lookup(GTK_STOCK_QUIT, &item);
1300     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1301                                  "<QEMU>/Machine/Quit");
1302     gtk_accel_map_add_entry("<QEMU>/Machine/Quit", item.keyval, item.modifier);
1303     gtk_menu_shell_append(GTK_MENU_SHELL(s->machine_menu), s->quit_item);
1304 
1305     s->view_menu = gtk_menu_new();
1306     gtk_menu_set_accel_group(GTK_MENU(s->view_menu), accel_group);
1307     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1308 
1309     s->full_screen_item =
1310         gtk_image_menu_item_new_from_stock(GTK_STOCK_FULLSCREEN, NULL);
1311     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1312                                  "<QEMU>/View/Full Screen");
1313     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f, GDK_CONTROL_MASK | GDK_MOD1_MASK);
1314     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->full_screen_item);
1315 
1316     separator = gtk_separator_menu_item_new();
1317     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), separator);
1318 
1319     s->zoom_in_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_IN, NULL);
1320     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1321                                  "<QEMU>/View/Zoom In");
1322     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus, GDK_CONTROL_MASK | GDK_MOD1_MASK);
1323     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->zoom_in_item);
1324 
1325     s->zoom_out_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_OUT, NULL);
1326     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1327                                  "<QEMU>/View/Zoom Out");
1328     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus, GDK_CONTROL_MASK | GDK_MOD1_MASK);
1329     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->zoom_out_item);
1330 
1331     s->zoom_fixed_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_100, NULL);
1332     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1333                                  "<QEMU>/View/Zoom Fixed");
1334     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0, GDK_CONTROL_MASK | GDK_MOD1_MASK);
1335     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->zoom_fixed_item);
1336 
1337     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1338     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->zoom_fit_item);
1339 
1340     separator = gtk_separator_menu_item_new();
1341     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), separator);
1342 
1343     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1344     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->grab_on_hover_item);
1345 
1346     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1347     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1348                                  "<QEMU>/View/Grab Input");
1349     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g, GDK_CONTROL_MASK | GDK_MOD1_MASK);
1350     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->grab_item);
1351 
1352     separator = gtk_separator_menu_item_new();
1353     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), separator);
1354 
1355     s->vga_item = gtk_radio_menu_item_new_with_mnemonic(group, "_VGA");
1356     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(s->vga_item));
1357     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->vga_item),
1358                                  "<QEMU>/View/VGA");
1359     gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, GDK_CONTROL_MASK | GDK_MOD1_MASK);
1360     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->vga_item);
1361 
1362     for (i = 0; i < nb_vcs; i++) {
1363         VirtualConsole *vc = &s->vc[i];
1364 
1365         group = gd_vc_init(s, vc, i, group);
1366         s->nb_vcs++;
1367     }
1368 
1369     separator = gtk_separator_menu_item_new();
1370     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), separator);
1371 
1372     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1373     gtk_menu_shell_append(GTK_MENU_SHELL(s->view_menu), s->show_tabs_item);
1374 
1375     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1376     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1377     s->accel_group = accel_group;
1378 
1379     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1380                               s->machine_menu);
1381     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1382 
1383     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1384     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1385 }
1386 
1387 static const DisplayChangeListenerOps dcl_ops = {
1388     .dpy_name          = "gtk",
1389     .dpy_gfx_update    = gd_update,
1390     .dpy_gfx_switch    = gd_switch,
1391     .dpy_refresh       = gd_refresh,
1392     .dpy_mouse_set     = gd_mouse_set,
1393     .dpy_cursor_define = gd_cursor_define,
1394 };
1395 
1396 void gtk_display_init(DisplayState *ds)
1397 {
1398     GtkDisplayState *s = g_malloc0(sizeof(*s));
1399     char *filename;
1400 
1401     gtk_init(NULL, NULL);
1402 
1403     s->dcl.ops = &dcl_ops;
1404     s->dcl.con = qemu_console_lookup_by_index(0);
1405 
1406     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1407 #if GTK_CHECK_VERSION(3, 2, 0)
1408     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1409 #else
1410     s->vbox = gtk_vbox_new(FALSE, 0);
1411 #endif
1412     s->notebook = gtk_notebook_new();
1413     s->drawing_area = gtk_drawing_area_new();
1414     s->menu_bar = gtk_menu_bar_new();
1415 
1416     s->scale_x = 1.0;
1417     s->scale_y = 1.0;
1418     s->free_scale = FALSE;
1419 
1420     setlocale(LC_ALL, "");
1421     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1422     textdomain("qemu");
1423 
1424     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1425 
1426     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1427     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1428     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1429 
1430     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), s->drawing_area, gtk_label_new("VGA"));
1431 
1432     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
1433     if (filename) {
1434         GError *error = NULL;
1435         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1436         if (pixbuf) {
1437             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1438         } else {
1439             g_error_free(error);
1440         }
1441         g_free(filename);
1442     }
1443 
1444     gd_create_menus(s);
1445 
1446     gd_connect_signals(s);
1447 
1448     gtk_widget_add_events(s->drawing_area,
1449                           GDK_POINTER_MOTION_MASK |
1450                           GDK_BUTTON_PRESS_MASK |
1451                           GDK_BUTTON_RELEASE_MASK |
1452                           GDK_BUTTON_MOTION_MASK |
1453                           GDK_ENTER_NOTIFY_MASK |
1454                           GDK_LEAVE_NOTIFY_MASK |
1455                           GDK_SCROLL_MASK |
1456                           GDK_KEY_PRESS_MASK);
1457     gtk_widget_set_double_buffered(s->drawing_area, FALSE);
1458     gtk_widget_set_can_focus(s->drawing_area, TRUE);
1459 
1460     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1461     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1462 
1463     gd_update_caption(s);
1464 
1465     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1466     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1467 
1468     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1469 
1470     gtk_widget_show_all(s->window);
1471 
1472     register_displaychangelistener(ds, &s->dcl);
1473 
1474     global_state = s;
1475 }
1476