xref: /openbmc/qemu/ui/gtk.c (revision 22709e90)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  *
12  * Portions from gtk-vnc:
13  *
14  * GTK VNC Widget
15  *
16  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
18  *
19  * This library is free software; you can redistribute it and/or
20  * modify it under the terms of the GNU Lesser General Public
21  * License as published by the Free Software Foundation; either
22  * version 2.0 of the License, or (at your option) any later version.
23  *
24  * This library is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27  * Lesser General Public License for more details.
28  *
29  * You should have received a copy of the GNU Lesser General Public
30  * License along with this library; if not, write to the Free Software
31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
32  */
33 
34 #define GETTEXT_PACKAGE "qemu"
35 #define LOCALEDIR "po"
36 
37 #ifdef _WIN32
38 # define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
39 #endif
40 
41 #include "qemu-common.h"
42 
43 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
44 /* Work around an -Wstrict-prototypes warning in GTK headers */
45 #pragma GCC diagnostic push
46 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
47 #endif
48 #include <gtk/gtk.h>
49 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
50 #pragma GCC diagnostic pop
51 #endif
52 
53 
54 #include <gdk/gdkkeysyms.h>
55 #include <glib/gi18n.h>
56 #include <locale.h>
57 #include <vte/vte.h>
58 #include <math.h>
59 
60 #include "trace.h"
61 #include "ui/console.h"
62 #include "ui/input.h"
63 #include "sysemu/sysemu.h"
64 #include "qmp-commands.h"
65 #include "x_keymap.h"
66 #include "keymaps.h"
67 #include "sysemu/char.h"
68 
69 #define MAX_VCS 10
70 
71 
72 /* Compatibility define to let us build on both Gtk2 and Gtk3 */
73 #if GTK_CHECK_VERSION(3, 0, 0)
74 static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh)
75 {
76     *ww = gdk_window_get_width(w);
77     *wh = gdk_window_get_height(w);
78 }
79 #endif
80 
81 #if !GTK_CHECK_VERSION(2, 20, 0)
82 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
83 #endif
84 
85 #ifndef GDK_KEY_0
86 #define GDK_KEY_0 GDK_0
87 #define GDK_KEY_1 GDK_1
88 #define GDK_KEY_2 GDK_2
89 #define GDK_KEY_f GDK_f
90 #define GDK_KEY_g GDK_g
91 #define GDK_KEY_plus GDK_plus
92 #define GDK_KEY_minus GDK_minus
93 #endif
94 
95 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
96 #define IGNORE_MODIFIER_MASK \
97     (GDK_MODIFIER_MASK & ~(GDK_LOCK_MASK | GDK_MOD2_MASK))
98 
99 static const int modifier_keycode[] = {
100     /* shift, control, alt keys, meta keys, both left & right */
101     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
102 };
103 
104 typedef struct VirtualConsole
105 {
106     GtkWidget *menu_item;
107     GtkWidget *terminal;
108     GtkWidget *scrolled_window;
109     CharDriverState *chr;
110     int fd;
111 } VirtualConsole;
112 
113 typedef struct GtkDisplayState
114 {
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     GtkWidget *vga_item;
138 
139     int nb_vcs;
140     VirtualConsole vc[MAX_VCS];
141 
142     GtkWidget *show_tabs_item;
143 
144     GtkWidget *vbox;
145     GtkWidget *notebook;
146     GtkWidget *drawing_area;
147     cairo_surface_t *surface;
148     pixman_image_t *convert;
149     DisplayChangeListener dcl;
150     DisplaySurface *ds;
151     int button_mask;
152     int last_x;
153     int last_y;
154 
155     double scale_x;
156     double scale_y;
157     gboolean full_screen;
158 
159     GdkCursor *null_cursor;
160     Notifier mouse_mode_notifier;
161     gboolean free_scale;
162 
163     bool external_pause_update;
164 
165     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
166 } GtkDisplayState;
167 
168 static GtkDisplayState *global_state;
169 
170 /** Utility Functions **/
171 
172 static bool gd_is_grab_active(GtkDisplayState *s)
173 {
174     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
175 }
176 
177 static bool gd_grab_on_hover(GtkDisplayState *s)
178 {
179     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
180 }
181 
182 static bool gd_on_vga(GtkDisplayState *s)
183 {
184     return gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook)) == 0;
185 }
186 
187 static void gd_update_cursor(GtkDisplayState *s, gboolean override)
188 {
189     GdkWindow *window;
190     bool on_vga;
191 
192     window = gtk_widget_get_window(GTK_WIDGET(s->drawing_area));
193 
194     on_vga = gd_on_vga(s);
195 
196     if ((override || on_vga) &&
197         (s->full_screen || qemu_input_is_absolute() || gd_is_grab_active(s))) {
198         gdk_window_set_cursor(window, s->null_cursor);
199     } else {
200         gdk_window_set_cursor(window, NULL);
201     }
202 }
203 
204 static void gd_update_caption(GtkDisplayState *s)
205 {
206     const char *status = "";
207     gchar *title;
208     const char *grab = "";
209     bool is_paused = !runstate_is_running();
210 
211     if (gd_is_grab_active(s)) {
212         grab = _(" - Press Ctrl+Alt+G to release grab");
213     }
214 
215     if (is_paused) {
216         status = _(" [Paused]");
217     }
218     s->external_pause_update = true;
219     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
220                                    is_paused);
221     s->external_pause_update = false;
222 
223     if (qemu_name) {
224         title = g_strdup_printf("QEMU (%s)%s%s", qemu_name, status, grab);
225     } else {
226         title = g_strdup_printf("QEMU%s%s", status, grab);
227     }
228 
229     gtk_window_set_title(GTK_WINDOW(s->window), title);
230 
231     g_free(title);
232 }
233 
234 static void gd_update_windowsize(GtkDisplayState *s)
235 {
236     if (!s->full_screen) {
237         GtkRequisition req;
238         double sx, sy;
239 
240         if (s->free_scale) {
241             sx = s->scale_x;
242             sy = s->scale_y;
243 
244             s->scale_y = 1.0;
245             s->scale_x = 1.0;
246         } else {
247             sx = 1.0;
248             sy = 1.0;
249         }
250 
251         gtk_widget_set_size_request(s->drawing_area,
252                                     surface_width(s->ds) * s->scale_x,
253                                     surface_height(s->ds) * s->scale_y);
254 #if GTK_CHECK_VERSION(3, 0, 0)
255         gtk_widget_get_preferred_size(s->vbox, NULL, &req);
256 #else
257         gtk_widget_size_request(s->vbox, &req);
258 #endif
259 
260         gtk_window_resize(GTK_WINDOW(s->window),
261                           req.width * sx, req.height * sy);
262     }
263 }
264 
265 static void gd_update_full_redraw(GtkDisplayState *s)
266 {
267     int ww, wh;
268     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
269     gtk_widget_queue_draw_area(s->drawing_area, 0, 0, ww, wh);
270 }
271 
272 static void gtk_release_modifiers(GtkDisplayState *s)
273 {
274     int i, keycode;
275 
276     if (!gd_on_vga(s)) {
277         return;
278     }
279     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
280         keycode = modifier_keycode[i];
281         if (!s->modifier_pressed[i]) {
282             continue;
283         }
284         qemu_input_event_send_key_number(s->dcl.con, keycode, false);
285         s->modifier_pressed[i] = false;
286     }
287 }
288 
289 /** DisplayState Callbacks **/
290 
291 static void gd_update(DisplayChangeListener *dcl,
292                       int x, int y, int w, int h)
293 {
294     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
295     int x1, x2, y1, y2;
296     int mx, my;
297     int fbw, fbh;
298     int ww, wh;
299 
300     trace_gd_update(x, y, w, h);
301 
302     if (s->convert) {
303         pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
304                                x, y, 0, 0, x, y, w, h);
305     }
306 
307     x1 = floor(x * s->scale_x);
308     y1 = floor(y * s->scale_y);
309 
310     x2 = ceil(x * s->scale_x + w * s->scale_x);
311     y2 = ceil(y * s->scale_y + h * s->scale_y);
312 
313     fbw = surface_width(s->ds) * s->scale_x;
314     fbh = surface_height(s->ds) * s->scale_y;
315 
316     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
317 
318     mx = my = 0;
319     if (ww > fbw) {
320         mx = (ww - fbw) / 2;
321     }
322     if (wh > fbh) {
323         my = (wh - fbh) / 2;
324     }
325 
326     gtk_widget_queue_draw_area(s->drawing_area, mx + x1, my + y1, (x2 - x1), (y2 - y1));
327 }
328 
329 static void gd_refresh(DisplayChangeListener *dcl)
330 {
331     graphic_hw_update(dcl->con);
332 }
333 
334 #if GTK_CHECK_VERSION(3, 0, 0)
335 static void gd_mouse_set(DisplayChangeListener *dcl,
336                          int x, int y, int visible)
337 {
338     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
339     GdkDisplay *dpy;
340     GdkDeviceManager *mgr;
341     gint x_root, y_root;
342 
343     if (qemu_input_is_absolute()) {
344         return;
345     }
346 
347     dpy = gtk_widget_get_display(s->drawing_area);
348     mgr = gdk_display_get_device_manager(dpy);
349     gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
350                                x, y, &x_root, &y_root);
351     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
352                     gtk_widget_get_screen(s->drawing_area),
353                     x_root, y_root);
354 }
355 #else
356 static void gd_mouse_set(DisplayChangeListener *dcl,
357                          int x, int y, int visible)
358 {
359     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
360     gint x_root, y_root;
361 
362     if (qemu_input_is_absolute()) {
363         return;
364     }
365 
366     gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
367                                x, y, &x_root, &y_root);
368     gdk_display_warp_pointer(gtk_widget_get_display(s->drawing_area),
369                              gtk_widget_get_screen(s->drawing_area),
370                              x_root, y_root);
371 }
372 #endif
373 
374 static void gd_cursor_define(DisplayChangeListener *dcl,
375                              QEMUCursor *c)
376 {
377     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
378     GdkPixbuf *pixbuf;
379     GdkCursor *cursor;
380 
381     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
382                                       GDK_COLORSPACE_RGB, true, 8,
383                                       c->width, c->height, c->width * 4,
384                                       NULL, NULL);
385     cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(s->drawing_area),
386                                         pixbuf, c->hot_x, c->hot_y);
387     gdk_window_set_cursor(gtk_widget_get_window(s->drawing_area), cursor);
388     g_object_unref(pixbuf);
389 #if !GTK_CHECK_VERSION(3, 0, 0)
390     gdk_cursor_unref(cursor);
391 #else
392     g_object_unref(cursor);
393 #endif
394 }
395 
396 static void gd_switch(DisplayChangeListener *dcl,
397                       DisplaySurface *surface)
398 {
399     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
400     bool resized = true;
401 
402     trace_gd_switch(surface_width(surface), surface_height(surface));
403 
404     if (s->surface) {
405         cairo_surface_destroy(s->surface);
406     }
407 
408     if (s->ds &&
409         surface_width(s->ds) == surface_width(surface) &&
410         surface_height(s->ds) == surface_height(surface)) {
411         resized = false;
412     }
413     s->ds = surface;
414 
415     if (s->convert) {
416         pixman_image_unref(s->convert);
417         s->convert = NULL;
418     }
419 
420     if (surface->format == PIXMAN_x8r8g8b8) {
421         /*
422          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
423          *
424          * No need to convert, use surface directly.  Should be the
425          * common case as this is qemu_default_pixelformat(32) too.
426          */
427         s->surface = cairo_image_surface_create_for_data
428             (surface_data(surface),
429              CAIRO_FORMAT_RGB24,
430              surface_width(surface),
431              surface_height(surface),
432              surface_stride(surface));
433     } else {
434         /* Must convert surface, use pixman to do it. */
435         s->convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
436                                               surface_width(surface),
437                                               surface_height(surface),
438                                               NULL, 0);
439         s->surface = cairo_image_surface_create_for_data
440             ((void *)pixman_image_get_data(s->convert),
441              CAIRO_FORMAT_RGB24,
442              pixman_image_get_width(s->convert),
443              pixman_image_get_height(s->convert),
444              pixman_image_get_stride(s->convert));
445         pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
446                                0, 0, 0, 0, 0, 0,
447                                pixman_image_get_width(s->convert),
448                                pixman_image_get_height(s->convert));
449     }
450 
451     if (resized) {
452         gd_update_windowsize(s);
453     } else {
454         gd_update_full_redraw(s);
455     }
456 }
457 
458 /** QEMU Events **/
459 
460 static void gd_change_runstate(void *opaque, int running, RunState state)
461 {
462     GtkDisplayState *s = opaque;
463 
464     gd_update_caption(s);
465 }
466 
467 static void gd_mouse_mode_change(Notifier *notify, void *data)
468 {
469     gd_update_cursor(container_of(notify, GtkDisplayState, mouse_mode_notifier),
470                      FALSE);
471 }
472 
473 /** GTK Events **/
474 
475 static gboolean gd_window_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
476 {
477     GtkDisplayState *s = opaque;
478     gboolean handled = FALSE;
479 
480     if (!gd_is_grab_active(s) ||
481         (key->state & IGNORE_MODIFIER_MASK) == HOTKEY_MODIFIERS) {
482         handled = gtk_window_activate_key(GTK_WINDOW(widget), key);
483     }
484     if (handled) {
485         gtk_release_modifiers(s);
486     } else {
487         handled = gtk_window_propagate_key_event(GTK_WINDOW(widget), key);
488     }
489 
490     return handled;
491 }
492 
493 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
494                                 void *opaque)
495 {
496     GtkDisplayState *s = opaque;
497 
498     if (!no_quit) {
499         unregister_displaychangelistener(&s->dcl);
500         qmp_quit(NULL);
501         return FALSE;
502     }
503 
504     return TRUE;
505 }
506 
507 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
508 {
509     GtkDisplayState *s = opaque;
510     int mx, my;
511     int ww, wh;
512     int fbw, fbh;
513 
514     if (!gtk_widget_get_realized(widget)) {
515         return FALSE;
516     }
517 
518     fbw = surface_width(s->ds);
519     fbh = surface_height(s->ds);
520 
521     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
522 
523     if (s->full_screen) {
524         s->scale_x = (double)ww / fbw;
525         s->scale_y = (double)wh / fbh;
526     } else if (s->free_scale) {
527         double sx, sy;
528 
529         sx = (double)ww / fbw;
530         sy = (double)wh / fbh;
531 
532         s->scale_x = s->scale_y = MIN(sx, sy);
533     }
534 
535     fbw *= s->scale_x;
536     fbh *= s->scale_y;
537 
538     mx = my = 0;
539     if (ww > fbw) {
540         mx = (ww - fbw) / 2;
541     }
542     if (wh > fbh) {
543         my = (wh - fbh) / 2;
544     }
545 
546     cairo_rectangle(cr, 0, 0, ww, wh);
547 
548     /* Optionally cut out the inner area where the pixmap
549        will be drawn. This avoids 'flashing' since we're
550        not double-buffering. Note we're using the undocumented
551        behaviour of drawing the rectangle from right to left
552        to cut out the whole */
553     cairo_rectangle(cr, mx + fbw, my,
554                     -1 * fbw, fbh);
555     cairo_fill(cr);
556 
557     cairo_scale(cr, s->scale_x, s->scale_y);
558     cairo_set_source_surface(cr, s->surface, mx / s->scale_x, my / s->scale_y);
559     cairo_paint(cr);
560 
561     return TRUE;
562 }
563 
564 #if !GTK_CHECK_VERSION(3, 0, 0)
565 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
566                                 void *opaque)
567 {
568     cairo_t *cr;
569     gboolean ret;
570 
571     cr = gdk_cairo_create(gtk_widget_get_window(widget));
572     cairo_rectangle(cr,
573                     expose->area.x,
574                     expose->area.y,
575                     expose->area.width,
576                     expose->area.height);
577     cairo_clip(cr);
578 
579     ret = gd_draw_event(widget, cr, opaque);
580 
581     cairo_destroy(cr);
582 
583     return ret;
584 }
585 #endif
586 
587 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
588                                 void *opaque)
589 {
590     GtkDisplayState *s = opaque;
591     int x, y;
592     int mx, my;
593     int fbh, fbw;
594     int ww, wh;
595 
596     fbw = surface_width(s->ds) * s->scale_x;
597     fbh = surface_height(s->ds) * s->scale_y;
598 
599     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
600 
601     mx = my = 0;
602     if (ww > fbw) {
603         mx = (ww - fbw) / 2;
604     }
605     if (wh > fbh) {
606         my = (wh - fbh) / 2;
607     }
608 
609     x = (motion->x - mx) / s->scale_x;
610     y = (motion->y - my) / s->scale_y;
611 
612     if (x < 0 || y < 0 ||
613         x >= surface_width(s->ds) ||
614         y >= surface_height(s->ds)) {
615         return TRUE;
616     }
617 
618     if (qemu_input_is_absolute()) {
619         qemu_input_queue_abs(s->dcl.con, INPUT_AXIS_X, x,
620                              surface_width(s->ds));
621         qemu_input_queue_abs(s->dcl.con, INPUT_AXIS_Y, y,
622                              surface_height(s->ds));
623         qemu_input_event_sync();
624     } else if (s->last_x != -1 && s->last_y != -1 && gd_is_grab_active(s)) {
625         qemu_input_queue_rel(s->dcl.con, INPUT_AXIS_X, x - s->last_x);
626         qemu_input_queue_rel(s->dcl.con, INPUT_AXIS_Y, y - s->last_y);
627         qemu_input_event_sync();
628     }
629     s->last_x = x;
630     s->last_y = y;
631 
632     if (!qemu_input_is_absolute() && gd_is_grab_active(s)) {
633         GdkScreen *screen = gtk_widget_get_screen(s->drawing_area);
634         int x = (int)motion->x_root;
635         int y = (int)motion->y_root;
636 
637         /* In relative mode check to see if client pointer hit
638          * one of the screen edges, and if so move it back by
639          * 200 pixels. This is important because the pointer
640          * in the server doesn't correspond 1-for-1, and so
641          * may still be only half way across the screen. Without
642          * this warp, the server pointer would thus appear to hit
643          * an invisible wall */
644         if (x == 0) {
645             x += 200;
646         }
647         if (y == 0) {
648             y += 200;
649         }
650         if (x == (gdk_screen_get_width(screen) - 1)) {
651             x -= 200;
652         }
653         if (y == (gdk_screen_get_height(screen) - 1)) {
654             y -= 200;
655         }
656 
657         if (x != (int)motion->x_root || y != (int)motion->y_root) {
658 #if GTK_CHECK_VERSION(3, 0, 0)
659             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
660             gdk_device_warp(dev, screen, x, y);
661 #else
662             GdkDisplay *display = gtk_widget_get_display(widget);
663             gdk_display_warp_pointer(display, screen, x, y);
664 #endif
665             s->last_x = -1;
666             s->last_y = -1;
667             return FALSE;
668         }
669     }
670     return TRUE;
671 }
672 
673 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
674                                 void *opaque)
675 {
676     GtkDisplayState *s = opaque;
677     InputButton btn;
678 
679     if (button->button == 1) {
680         btn = INPUT_BUTTON_LEFT;
681     } else if (button->button == 2) {
682         btn = INPUT_BUTTON_MIDDLE;
683     } else if (button->button == 3) {
684         btn = INPUT_BUTTON_RIGHT;
685     } else {
686         return TRUE;
687     }
688 
689     qemu_input_queue_btn(s->dcl.con, btn, button->type == GDK_BUTTON_PRESS);
690     qemu_input_event_sync();
691     return TRUE;
692 }
693 
694 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
695                                 void *opaque)
696 {
697     GtkDisplayState *s = opaque;
698     InputButton btn;
699 
700     if (scroll->direction == GDK_SCROLL_UP) {
701         btn = INPUT_BUTTON_WHEEL_UP;
702     } else if (scroll->direction == GDK_SCROLL_DOWN) {
703         btn = INPUT_BUTTON_WHEEL_DOWN;
704     } else {
705         return TRUE;
706     }
707 
708     qemu_input_queue_btn(s->dcl.con, btn, true);
709     qemu_input_event_sync();
710     qemu_input_queue_btn(s->dcl.con, btn, false);
711     qemu_input_event_sync();
712     return TRUE;
713 }
714 
715 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
716 {
717     GtkDisplayState *s = opaque;
718     int gdk_keycode = key->hardware_keycode;
719     int i;
720 
721 #ifdef _WIN32
722     UINT qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
723     switch (qemu_keycode) {
724     case 103:   /* alt gr */
725         qemu_keycode = 56 | SCANCODE_GREY;
726         break;
727     }
728 #else
729     int qemu_keycode;
730 
731     if (gdk_keycode < 9) {
732         qemu_keycode = 0;
733     } else if (gdk_keycode < 97) {
734         qemu_keycode = gdk_keycode - 8;
735     } else if (gdk_keycode < 158) {
736         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
737     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
738         qemu_keycode = 0x70;
739     } else if (gdk_keycode == 211) { /* backslash */
740         qemu_keycode = 0x73;
741     } else {
742         qemu_keycode = 0;
743     }
744 #endif
745 
746     trace_gd_key_event(gdk_keycode, qemu_keycode,
747                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
748 
749     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
750         if (qemu_keycode == modifier_keycode[i]) {
751             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
752         }
753     }
754 
755     qemu_input_event_send_key_number(s->dcl.con, qemu_keycode,
756                                      key->type == GDK_KEY_PRESS);
757 
758     return TRUE;
759 }
760 
761 /** Window Menu Actions **/
762 
763 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
764 {
765     GtkDisplayState *s = opaque;
766 
767     if (s->external_pause_update) {
768         return;
769     }
770     if (runstate_is_running()) {
771         qmp_stop(NULL);
772     } else {
773         qmp_cont(NULL);
774     }
775 }
776 
777 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
778 {
779     qmp_system_reset(NULL);
780 }
781 
782 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
783 {
784     qmp_system_powerdown(NULL);
785 }
786 
787 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
788 {
789     qmp_quit(NULL);
790 }
791 
792 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
793 {
794     GtkDisplayState *s = opaque;
795 
796     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vga_item))) {
797         gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), 0);
798     } else {
799         int i;
800 
801         gtk_release_modifiers(s);
802         for (i = 0; i < s->nb_vcs; i++) {
803             if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vc[i].menu_item))) {
804                 gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), i + 1);
805                 break;
806             }
807         }
808     }
809 }
810 
811 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
812 {
813     GtkDisplayState *s = opaque;
814 
815     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
816         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
817     } else {
818         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
819     }
820 }
821 
822 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
823 {
824     GtkDisplayState *s = opaque;
825 
826     if (!s->full_screen) {
827         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
828         gtk_widget_set_size_request(s->menu_bar, 0, 0);
829         gtk_widget_set_size_request(s->drawing_area, -1, -1);
830         gtk_window_fullscreen(GTK_WINDOW(s->window));
831         if (gd_on_vga(s)) {
832             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), TRUE);
833         }
834         s->full_screen = TRUE;
835     } else {
836         gtk_window_unfullscreen(GTK_WINDOW(s->window));
837         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
838         gtk_widget_set_size_request(s->menu_bar, -1, -1);
839         gtk_widget_set_size_request(s->drawing_area,
840                                     surface_width(s->ds),
841                                     surface_height(s->ds));
842         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), FALSE);
843         s->full_screen = FALSE;
844         s->scale_x = 1.0;
845         s->scale_y = 1.0;
846     }
847 
848     gd_update_cursor(s, FALSE);
849 }
850 
851 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
852 {
853     GtkDisplayState *s = opaque;
854 
855     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
856                                    FALSE);
857 
858     s->scale_x += .25;
859     s->scale_y += .25;
860 
861     gd_update_windowsize(s);
862 }
863 
864 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
865 {
866     GtkDisplayState *s = opaque;
867 
868     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
869                                    FALSE);
870 
871     s->scale_x -= .25;
872     s->scale_y -= .25;
873 
874     s->scale_x = MAX(s->scale_x, .25);
875     s->scale_y = MAX(s->scale_y, .25);
876 
877     gd_update_windowsize(s);
878 }
879 
880 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
881 {
882     GtkDisplayState *s = opaque;
883 
884     s->scale_x = 1.0;
885     s->scale_y = 1.0;
886 
887     gd_update_windowsize(s);
888 }
889 
890 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
891 {
892     GtkDisplayState *s = opaque;
893 
894     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
895         s->free_scale = TRUE;
896     } else {
897         s->free_scale = FALSE;
898         s->scale_x = 1.0;
899         s->scale_y = 1.0;
900         gd_update_windowsize(s);
901     }
902 
903     gd_update_full_redraw(s);
904 }
905 
906 static void gd_grab_keyboard(GtkDisplayState *s)
907 {
908 #if GTK_CHECK_VERSION(3, 0, 0)
909     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
910     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
911     GList *devices = gdk_device_manager_list_devices(mgr,
912                                                      GDK_DEVICE_TYPE_MASTER);
913     GList *tmp = devices;
914     while (tmp) {
915         GdkDevice *dev = tmp->data;
916         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
917             gdk_device_grab(dev,
918                             gtk_widget_get_window(s->drawing_area),
919                             GDK_OWNERSHIP_NONE,
920                             FALSE,
921                             GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
922                             NULL,
923                             GDK_CURRENT_TIME);
924         }
925         tmp = tmp->next;
926     }
927     g_list_free(devices);
928 #else
929     gdk_keyboard_grab(gtk_widget_get_window(s->drawing_area),
930                       FALSE,
931                       GDK_CURRENT_TIME);
932 #endif
933 }
934 
935 static void gd_ungrab_keyboard(GtkDisplayState *s)
936 {
937 #if GTK_CHECK_VERSION(3, 0, 0)
938     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
939     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
940     GList *devices = gdk_device_manager_list_devices(mgr,
941                                                      GDK_DEVICE_TYPE_MASTER);
942     GList *tmp = devices;
943     while (tmp) {
944         GdkDevice *dev = tmp->data;
945         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
946             gdk_device_ungrab(dev,
947                               GDK_CURRENT_TIME);
948         }
949         tmp = tmp->next;
950     }
951     g_list_free(devices);
952 #else
953     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
954 #endif
955 }
956 
957 static void gd_grab_pointer(GtkDisplayState *s)
958 {
959 #if GTK_CHECK_VERSION(3, 0, 0)
960     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
961     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
962     GList *devices = gdk_device_manager_list_devices(mgr,
963                                                      GDK_DEVICE_TYPE_MASTER);
964     GList *tmp = devices;
965     while (tmp) {
966         GdkDevice *dev = tmp->data;
967         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
968             gdk_device_grab(dev,
969                             gtk_widget_get_window(s->drawing_area),
970                             GDK_OWNERSHIP_NONE,
971                             FALSE, /* All events to come to our
972                                       window directly */
973                             GDK_POINTER_MOTION_MASK |
974                             GDK_BUTTON_PRESS_MASK |
975                             GDK_BUTTON_RELEASE_MASK |
976                             GDK_BUTTON_MOTION_MASK |
977                             GDK_SCROLL_MASK,
978                             s->null_cursor,
979                             GDK_CURRENT_TIME);
980         }
981         tmp = tmp->next;
982     }
983     g_list_free(devices);
984 #else
985     gdk_pointer_grab(gtk_widget_get_window(s->drawing_area),
986                      FALSE, /* All events to come to our window directly */
987                      GDK_POINTER_MOTION_MASK |
988                      GDK_BUTTON_PRESS_MASK |
989                      GDK_BUTTON_RELEASE_MASK |
990                      GDK_BUTTON_MOTION_MASK |
991                      GDK_SCROLL_MASK,
992                      NULL, /* Allow cursor to move over entire desktop */
993                      s->null_cursor,
994                      GDK_CURRENT_TIME);
995 #endif
996 }
997 
998 static void gd_ungrab_pointer(GtkDisplayState *s)
999 {
1000 #if GTK_CHECK_VERSION(3, 0, 0)
1001     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
1002     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1003     GList *devices = gdk_device_manager_list_devices(mgr,
1004                                                      GDK_DEVICE_TYPE_MASTER);
1005     GList *tmp = devices;
1006     while (tmp) {
1007         GdkDevice *dev = tmp->data;
1008         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
1009             gdk_device_ungrab(dev,
1010                               GDK_CURRENT_TIME);
1011         }
1012         tmp = tmp->next;
1013     }
1014     g_list_free(devices);
1015 #else
1016     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1017 #endif
1018 }
1019 
1020 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1021 {
1022     GtkDisplayState *s = opaque;
1023 
1024     if (gd_is_grab_active(s)) {
1025         gd_grab_keyboard(s);
1026         gd_grab_pointer(s);
1027     } else {
1028         gd_ungrab_keyboard(s);
1029         gd_ungrab_pointer(s);
1030     }
1031 
1032     gd_update_caption(s);
1033     gd_update_cursor(s, FALSE);
1034 }
1035 
1036 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1037                            gpointer data)
1038 {
1039     GtkDisplayState *s = data;
1040     guint last_page;
1041     gboolean on_vga;
1042 
1043     if (!gtk_widget_get_realized(s->notebook)) {
1044         return;
1045     }
1046 
1047     last_page = gtk_notebook_get_current_page(nb);
1048 
1049     if (last_page) {
1050         gtk_widget_set_size_request(s->vc[last_page - 1].terminal, -1, -1);
1051     }
1052 
1053     on_vga = arg2 == 0;
1054 
1055     if (!on_vga) {
1056         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1057                                        FALSE);
1058     } else if (s->full_screen) {
1059         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1060                                        TRUE);
1061     }
1062 
1063     if (arg2 == 0) {
1064         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->vga_item), TRUE);
1065     } else {
1066         VirtualConsole *vc = &s->vc[arg2 - 1];
1067         VteTerminal *term = VTE_TERMINAL(vc->terminal);
1068         int width, height;
1069 
1070         width = 80 * vte_terminal_get_char_width(term);
1071         height = 25 * vte_terminal_get_char_height(term);
1072 
1073         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1074         gtk_widget_set_size_request(vc->terminal, width, height);
1075     }
1076 
1077     gtk_widget_set_sensitive(s->grab_item, on_vga);
1078 
1079     gd_update_cursor(s, TRUE);
1080 }
1081 
1082 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
1083 {
1084     GtkDisplayState *s = data;
1085 
1086     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1087         gd_grab_keyboard(s);
1088     }
1089 
1090     return TRUE;
1091 }
1092 
1093 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
1094 {
1095     GtkDisplayState *s = data;
1096 
1097     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1098         gd_ungrab_keyboard(s);
1099     }
1100 
1101     return TRUE;
1102 }
1103 
1104 static gboolean gd_focus_out_event(GtkWidget *widget,
1105                                    GdkEventCrossing *crossing, gpointer data)
1106 {
1107     GtkDisplayState *s = data;
1108 
1109     gtk_release_modifiers(s);
1110 
1111     return TRUE;
1112 }
1113 
1114 /** Virtual Console Callbacks **/
1115 
1116 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1117 {
1118     VirtualConsole *vc = chr->opaque;
1119 
1120     return write(vc->fd, buf, len);
1121 }
1122 
1123 static int nb_vcs;
1124 static CharDriverState *vcs[MAX_VCS];
1125 
1126 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1127 {
1128     CharDriverState *chr;
1129 
1130     chr = g_malloc0(sizeof(*chr));
1131     chr->chr_write = gd_vc_chr_write;
1132     /* defer OPENED events until our vc is fully initialized */
1133     chr->explicit_be_open = true;
1134 
1135     vcs[nb_vcs++] = chr;
1136 
1137     return chr;
1138 }
1139 
1140 void early_gtk_display_init(void)
1141 {
1142     register_vc_handler(gd_vc_handler);
1143 }
1144 
1145 static gboolean gd_vc_in(GIOChannel *chan, GIOCondition cond, void *opaque)
1146 {
1147     VirtualConsole *vc = opaque;
1148     uint8_t buffer[1024];
1149     ssize_t len;
1150 
1151     len = read(vc->fd, buffer, sizeof(buffer));
1152     if (len <= 0) {
1153         return FALSE;
1154     }
1155 
1156     qemu_chr_be_write(vc->chr, buffer, len);
1157 
1158     return TRUE;
1159 }
1160 
1161 static GSList *gd_vc_init(GtkDisplayState *s, VirtualConsole *vc, int index, GSList *group,
1162                           GtkWidget *view_menu)
1163 {
1164     const char *label;
1165     char buffer[32];
1166     char path[32];
1167 #if VTE_CHECK_VERSION(0, 26, 0)
1168     VtePty *pty;
1169 #endif
1170     GIOChannel *chan;
1171     GtkWidget *scrolled_window;
1172     GtkAdjustment *vadjustment;
1173     int master_fd, slave_fd;
1174 
1175     snprintf(buffer, sizeof(buffer), "vc%d", index);
1176     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", index);
1177 
1178     vc->chr = vcs[index];
1179 
1180     if (vc->chr->label) {
1181         label = vc->chr->label;
1182     } else {
1183         label = buffer;
1184     }
1185 
1186     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, label);
1187     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1188     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1189     gtk_accel_map_add_entry(path, GDK_KEY_2 + index, HOTKEY_MODIFIERS);
1190 
1191     vc->terminal = vte_terminal_new();
1192 
1193     master_fd = qemu_openpty_raw(&slave_fd, NULL);
1194     g_assert(master_fd != -1);
1195 
1196 #if VTE_CHECK_VERSION(0, 26, 0)
1197     pty = vte_pty_new_foreign(master_fd, NULL);
1198     vte_terminal_set_pty_object(VTE_TERMINAL(vc->terminal), pty);
1199 #else
1200     vte_terminal_set_pty(VTE_TERMINAL(vc->terminal), master_fd);
1201 #endif
1202 
1203     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->terminal), -1);
1204 
1205     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->terminal));
1206 
1207     scrolled_window = gtk_scrolled_window_new(NULL, vadjustment);
1208     gtk_container_add(GTK_CONTAINER(scrolled_window), vc->terminal);
1209 
1210     vte_terminal_set_size(VTE_TERMINAL(vc->terminal), 80, 25);
1211 
1212     vc->fd = slave_fd;
1213     vc->chr->opaque = vc;
1214     vc->scrolled_window = scrolled_window;
1215 
1216     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vc->scrolled_window),
1217                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1218 
1219     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), scrolled_window, gtk_label_new(label));
1220     g_signal_connect(vc->menu_item, "activate",
1221                      G_CALLBACK(gd_menu_switch_vc), s);
1222 
1223     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1224 
1225     qemu_chr_be_generic_open(vc->chr);
1226     if (vc->chr->init) {
1227         vc->chr->init(vc->chr);
1228     }
1229 
1230     chan = g_io_channel_unix_new(vc->fd);
1231     g_io_add_watch(chan, G_IO_IN, gd_vc_in, vc);
1232 
1233     return group;
1234 }
1235 
1236 /** Window Creation **/
1237 
1238 static void gd_connect_signals(GtkDisplayState *s)
1239 {
1240     g_signal_connect(s->show_tabs_item, "activate",
1241                      G_CALLBACK(gd_menu_show_tabs), s);
1242 
1243     g_signal_connect(s->window, "key-press-event",
1244                      G_CALLBACK(gd_window_key_event), s);
1245     g_signal_connect(s->window, "delete-event",
1246                      G_CALLBACK(gd_window_close), s);
1247 
1248 #if GTK_CHECK_VERSION(3, 0, 0)
1249     g_signal_connect(s->drawing_area, "draw",
1250                      G_CALLBACK(gd_draw_event), s);
1251 #else
1252     g_signal_connect(s->drawing_area, "expose-event",
1253                      G_CALLBACK(gd_expose_event), s);
1254 #endif
1255     g_signal_connect(s->drawing_area, "motion-notify-event",
1256                      G_CALLBACK(gd_motion_event), s);
1257     g_signal_connect(s->drawing_area, "button-press-event",
1258                      G_CALLBACK(gd_button_event), s);
1259     g_signal_connect(s->drawing_area, "button-release-event",
1260                      G_CALLBACK(gd_button_event), s);
1261     g_signal_connect(s->drawing_area, "scroll-event",
1262                      G_CALLBACK(gd_scroll_event), s);
1263     g_signal_connect(s->drawing_area, "key-press-event",
1264                      G_CALLBACK(gd_key_event), s);
1265     g_signal_connect(s->drawing_area, "key-release-event",
1266                      G_CALLBACK(gd_key_event), s);
1267 
1268     g_signal_connect(s->pause_item, "activate",
1269                      G_CALLBACK(gd_menu_pause), s);
1270     g_signal_connect(s->reset_item, "activate",
1271                      G_CALLBACK(gd_menu_reset), s);
1272     g_signal_connect(s->powerdown_item, "activate",
1273                      G_CALLBACK(gd_menu_powerdown), s);
1274     g_signal_connect(s->quit_item, "activate",
1275                      G_CALLBACK(gd_menu_quit), s);
1276     g_signal_connect(s->full_screen_item, "activate",
1277                      G_CALLBACK(gd_menu_full_screen), s);
1278     g_signal_connect(s->zoom_in_item, "activate",
1279                      G_CALLBACK(gd_menu_zoom_in), s);
1280     g_signal_connect(s->zoom_out_item, "activate",
1281                      G_CALLBACK(gd_menu_zoom_out), s);
1282     g_signal_connect(s->zoom_fixed_item, "activate",
1283                      G_CALLBACK(gd_menu_zoom_fixed), s);
1284     g_signal_connect(s->zoom_fit_item, "activate",
1285                      G_CALLBACK(gd_menu_zoom_fit), s);
1286     g_signal_connect(s->vga_item, "activate",
1287                      G_CALLBACK(gd_menu_switch_vc), s);
1288     g_signal_connect(s->grab_item, "activate",
1289                      G_CALLBACK(gd_menu_grab_input), s);
1290     g_signal_connect(s->notebook, "switch-page",
1291                      G_CALLBACK(gd_change_page), s);
1292     g_signal_connect(s->drawing_area, "enter-notify-event",
1293                      G_CALLBACK(gd_enter_event), s);
1294     g_signal_connect(s->drawing_area, "leave-notify-event",
1295                      G_CALLBACK(gd_leave_event), s);
1296     g_signal_connect(s->drawing_area, "focus-out-event",
1297                      G_CALLBACK(gd_focus_out_event), s);
1298 }
1299 
1300 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
1301 {
1302     GtkWidget *machine_menu;
1303     GtkWidget *separator;
1304     GtkStockItem item;
1305 
1306     machine_menu = gtk_menu_new();
1307     gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
1308 
1309     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1310     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1311 
1312     separator = gtk_separator_menu_item_new();
1313     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1314 
1315     s->reset_item = gtk_image_menu_item_new_with_mnemonic(_("_Reset"));
1316     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1317 
1318     s->powerdown_item = gtk_image_menu_item_new_with_mnemonic(_("Power _Down"));
1319     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1320 
1321     separator = gtk_separator_menu_item_new();
1322     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1323 
1324     s->quit_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, NULL);
1325     gtk_stock_lookup(GTK_STOCK_QUIT, &item);
1326     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1327                                  "<QEMU>/Machine/Quit");
1328     gtk_accel_map_add_entry("<QEMU>/Machine/Quit", item.keyval, item.modifier);
1329     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1330 
1331     return machine_menu;
1332 }
1333 
1334 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
1335 {
1336     GSList *group = NULL;
1337     GtkWidget *view_menu;
1338     GtkWidget *separator;
1339     int i;
1340 
1341     view_menu = gtk_menu_new();
1342     gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
1343 
1344     s->full_screen_item =
1345         gtk_image_menu_item_new_from_stock(GTK_STOCK_FULLSCREEN, NULL);
1346     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1347                                  "<QEMU>/View/Full Screen");
1348     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
1349                             HOTKEY_MODIFIERS);
1350     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1351 
1352     separator = gtk_separator_menu_item_new();
1353     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1354 
1355     s->zoom_in_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_IN, NULL);
1356     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1357                                  "<QEMU>/View/Zoom In");
1358     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1359                             HOTKEY_MODIFIERS);
1360     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1361 
1362     s->zoom_out_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_OUT, NULL);
1363     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1364                                  "<QEMU>/View/Zoom Out");
1365     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1366                             HOTKEY_MODIFIERS);
1367     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1368 
1369     s->zoom_fixed_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_100, NULL);
1370     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1371                                  "<QEMU>/View/Zoom Fixed");
1372     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1373                             HOTKEY_MODIFIERS);
1374     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1375 
1376     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1377     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1378 
1379     separator = gtk_separator_menu_item_new();
1380     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1381 
1382     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1383     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1384 
1385     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1386     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1387                                  "<QEMU>/View/Grab Input");
1388     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1389                             HOTKEY_MODIFIERS);
1390     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1391 
1392     separator = gtk_separator_menu_item_new();
1393     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1394 
1395     s->vga_item = gtk_radio_menu_item_new_with_mnemonic(group, "_VGA");
1396     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(s->vga_item));
1397     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->vga_item),
1398                                  "<QEMU>/View/VGA");
1399     gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, HOTKEY_MODIFIERS);
1400     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->vga_item);
1401 
1402     for (i = 0; i < nb_vcs; i++) {
1403         VirtualConsole *vc = &s->vc[i];
1404 
1405         group = gd_vc_init(s, vc, i, group, view_menu);
1406         s->nb_vcs++;
1407     }
1408 
1409     separator = gtk_separator_menu_item_new();
1410     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1411 
1412     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1413     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1414 
1415     return view_menu;
1416 }
1417 
1418 static void gd_create_menus(GtkDisplayState *s)
1419 {
1420     GtkAccelGroup *accel_group;
1421 
1422     accel_group = gtk_accel_group_new();
1423     s->machine_menu = gd_create_menu_machine(s, accel_group);
1424     s->view_menu = gd_create_menu_view(s, accel_group);
1425 
1426     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1427     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1428                               s->machine_menu);
1429     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1430 
1431     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1432     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1433     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1434 
1435     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1436     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1437     s->accel_group = accel_group;
1438 }
1439 
1440 static const DisplayChangeListenerOps dcl_ops = {
1441     .dpy_name          = "gtk",
1442     .dpy_gfx_update    = gd_update,
1443     .dpy_gfx_switch    = gd_switch,
1444     .dpy_refresh       = gd_refresh,
1445     .dpy_mouse_set     = gd_mouse_set,
1446     .dpy_cursor_define = gd_cursor_define,
1447 };
1448 
1449 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1450 {
1451     GtkDisplayState *s = g_malloc0(sizeof(*s));
1452     char *filename;
1453 
1454     gtk_init(NULL, NULL);
1455 
1456     s->dcl.ops = &dcl_ops;
1457     s->dcl.con = qemu_console_lookup_by_index(0);
1458 
1459     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1460 #if GTK_CHECK_VERSION(3, 2, 0)
1461     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1462 #else
1463     s->vbox = gtk_vbox_new(FALSE, 0);
1464 #endif
1465     s->notebook = gtk_notebook_new();
1466     s->drawing_area = gtk_drawing_area_new();
1467     s->menu_bar = gtk_menu_bar_new();
1468 
1469     s->scale_x = 1.0;
1470     s->scale_y = 1.0;
1471     s->free_scale = FALSE;
1472 
1473     setlocale(LC_ALL, "");
1474     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1475     textdomain("qemu");
1476 
1477     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1478 
1479     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1480     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1481     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1482 
1483     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), s->drawing_area, gtk_label_new("VGA"));
1484 
1485     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1486     if (filename) {
1487         GError *error = NULL;
1488         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1489         if (pixbuf) {
1490             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1491         } else {
1492             g_error_free(error);
1493         }
1494         g_free(filename);
1495     }
1496 
1497     gd_create_menus(s);
1498 
1499     gd_connect_signals(s);
1500 
1501     gtk_widget_add_events(s->drawing_area,
1502                           GDK_POINTER_MOTION_MASK |
1503                           GDK_BUTTON_PRESS_MASK |
1504                           GDK_BUTTON_RELEASE_MASK |
1505                           GDK_BUTTON_MOTION_MASK |
1506                           GDK_ENTER_NOTIFY_MASK |
1507                           GDK_LEAVE_NOTIFY_MASK |
1508                           GDK_SCROLL_MASK |
1509                           GDK_KEY_PRESS_MASK);
1510     gtk_widget_set_double_buffered(s->drawing_area, FALSE);
1511     gtk_widget_set_can_focus(s->drawing_area, TRUE);
1512 
1513     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1514     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1515 
1516     gd_update_caption(s);
1517 
1518     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1519     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1520 
1521     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1522 
1523     gtk_widget_show_all(s->window);
1524 
1525     if (full_screen) {
1526         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1527     }
1528     if (grab_on_hover) {
1529         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1530     }
1531 
1532     register_displaychangelistener(&s->dcl);
1533 
1534     global_state = s;
1535 }
1536