xref: /openbmc/qemu/ui/gtk.c (revision c5955a561ccdb95ede14e83de0ee8eec00868bd3)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  *
12  * Portions from gtk-vnc:
13  *
14  * GTK VNC Widget
15  *
16  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
18  *
19  * This library is free software; you can redistribute it and/or
20  * modify it under the terms of the GNU Lesser General Public
21  * License as published by the Free Software Foundation; either
22  * version 2.0 of the License, or (at your option) any later version.
23  *
24  * This library is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27  * Lesser General Public License for more details.
28  *
29  * You should have received a copy of the GNU Lesser General Public
30  * License along with this library; if not, write to the Free Software
31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
32  */
33 
34 #define GETTEXT_PACKAGE "qemu"
35 #define LOCALEDIR "po"
36 
37 #include "qemu-common.h"
38 
39 #include "ui/console.h"
40 #include "ui/gtk.h"
41 
42 #include <glib/gi18n.h>
43 #include <locale.h>
44 #if defined(CONFIG_VTE)
45 #include <vte/vte.h>
46 #endif
47 #include <math.h>
48 
49 #include "trace.h"
50 #include "ui/input.h"
51 #include "sysemu/sysemu.h"
52 #include "qmp-commands.h"
53 #include "x_keymap.h"
54 #include "keymaps.h"
55 #include "sysemu/char.h"
56 #include "qom/object.h"
57 
58 #define MAX_VCS 10
59 #define VC_WINDOW_X_MIN  320
60 #define VC_WINDOW_Y_MIN  240
61 #define VC_TERM_X_MIN     80
62 #define VC_TERM_Y_MIN     25
63 #define VC_SCALE_MIN    0.25
64 #define VC_SCALE_STEP   0.25
65 
66 #if !defined(CONFIG_VTE)
67 # define VTE_CHECK_VERSION(a, b, c) 0
68 #endif
69 
70 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
71 /*
72  * The gtk2 vte terminal widget seriously messes up the window resize
73  * for some reason.  You basically can't make the qemu window smaller
74  * any more because the toplevel window geoemtry hints are overridden.
75  *
76  * Workaround that by hiding all vte widgets, except the one in the
77  * current tab.
78  *
79  * Luckily everything works smooth in gtk3.
80  */
81 # define VTE_RESIZE_HACK 1
82 #endif
83 
84 #if !GTK_CHECK_VERSION(2, 20, 0)
85 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
86 #endif
87 
88 #ifndef GDK_IS_X11_DISPLAY
89 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
90 #endif
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
93 #endif
94 
95 #ifndef GDK_KEY_0
96 #define GDK_KEY_0 GDK_0
97 #define GDK_KEY_1 GDK_1
98 #define GDK_KEY_2 GDK_2
99 #define GDK_KEY_f GDK_f
100 #define GDK_KEY_g GDK_g
101 #define GDK_KEY_q GDK_q
102 #define GDK_KEY_plus GDK_plus
103 #define GDK_KEY_minus GDK_minus
104 #define GDK_KEY_Pause GDK_Pause
105 #endif
106 
107 /* Some older mingw versions lack this constant or have
108  * it conditionally defined */
109 #ifdef _WIN32
110 # ifndef MAPVK_VK_TO_VSC
111 #  define MAPVK_VK_TO_VSC 0
112 # endif
113 #endif
114 
115 
116 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
117 
118 static const int modifier_keycode[] = {
119     /* shift, control, alt keys, meta keys, both left & right */
120     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
121 };
122 
123 struct GtkDisplayState {
124     GtkWidget *window;
125 
126     GtkWidget *menu_bar;
127 
128     GtkAccelGroup *accel_group;
129 
130     GtkWidget *machine_menu_item;
131     GtkWidget *machine_menu;
132     GtkWidget *pause_item;
133     GtkWidget *reset_item;
134     GtkWidget *powerdown_item;
135     GtkWidget *quit_item;
136 
137     GtkWidget *view_menu_item;
138     GtkWidget *view_menu;
139     GtkWidget *full_screen_item;
140     GtkWidget *zoom_in_item;
141     GtkWidget *zoom_out_item;
142     GtkWidget *zoom_fixed_item;
143     GtkWidget *zoom_fit_item;
144     GtkWidget *grab_item;
145     GtkWidget *grab_on_hover_item;
146 
147     int nb_vcs;
148     VirtualConsole vc[MAX_VCS];
149 
150     GtkWidget *show_tabs_item;
151     GtkWidget *untabify_item;
152 
153     GtkWidget *vbox;
154     GtkWidget *notebook;
155     int button_mask;
156     gboolean last_set;
157     int last_x;
158     int last_y;
159     int grab_x_root;
160     int grab_y_root;
161     VirtualConsole *kbd_owner;
162     VirtualConsole *ptr_owner;
163 
164     gboolean full_screen;
165 
166     GdkCursor *null_cursor;
167     Notifier mouse_mode_notifier;
168     gboolean free_scale;
169 
170     bool external_pause_update;
171 
172     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
173     bool has_evdev;
174     bool ignore_keys;
175 };
176 
177 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
178 static void gd_ungrab_pointer(GtkDisplayState *s);
179 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
180 static void gd_ungrab_keyboard(GtkDisplayState *s);
181 
182 /** Utility Functions **/
183 
184 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
185 {
186     VirtualConsole *vc;
187     gint i;
188 
189     for (i = 0; i < s->nb_vcs; i++) {
190         vc = &s->vc[i];
191         if (gtk_check_menu_item_get_active
192             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
193             return vc;
194         }
195     }
196     return NULL;
197 }
198 
199 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
200 {
201     VirtualConsole *vc;
202     gint i, p;
203 
204     for (i = 0; i < s->nb_vcs; i++) {
205         vc = &s->vc[i];
206         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
207         if (p == page) {
208             return vc;
209         }
210     }
211     return NULL;
212 }
213 
214 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
215 {
216     gint page;
217 
218     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
219     return gd_vc_find_by_page(s, page);
220 }
221 
222 static bool gd_is_grab_active(GtkDisplayState *s)
223 {
224     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
225 }
226 
227 static bool gd_grab_on_hover(GtkDisplayState *s)
228 {
229     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
230 }
231 
232 static void gd_update_cursor(VirtualConsole *vc)
233 {
234     GtkDisplayState *s = vc->s;
235     GdkWindow *window;
236 
237     if (vc->type != GD_VC_GFX ||
238         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
239         return;
240     }
241 
242     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
243         return;
244     }
245 
246     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
247     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
248         gdk_window_set_cursor(window, s->null_cursor);
249     } else {
250         gdk_window_set_cursor(window, NULL);
251     }
252 }
253 
254 static void gd_update_caption(GtkDisplayState *s)
255 {
256     const char *status = "";
257     gchar *prefix;
258     gchar *title;
259     const char *grab = "";
260     bool is_paused = !runstate_is_running();
261     int i;
262 
263     if (qemu_name) {
264         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
265     } else {
266         prefix = g_strdup_printf("QEMU");
267     }
268 
269     if (s->ptr_owner != NULL &&
270         s->ptr_owner->window == NULL) {
271         grab = _(" - Press Ctrl+Alt+G to release grab");
272     }
273 
274     if (is_paused) {
275         status = _(" [Paused]");
276     }
277     s->external_pause_update = true;
278     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
279                                    is_paused);
280     s->external_pause_update = false;
281 
282     title = g_strdup_printf("%s%s%s", prefix, status, grab);
283     gtk_window_set_title(GTK_WINDOW(s->window), title);
284     g_free(title);
285 
286     for (i = 0; i < s->nb_vcs; i++) {
287         VirtualConsole *vc = &s->vc[i];
288 
289         if (!vc->window) {
290             continue;
291         }
292         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
293                                 vc == s->kbd_owner ? " +kbd" : "",
294                                 vc == s->ptr_owner ? " +ptr" : "");
295         gtk_window_set_title(GTK_WINDOW(vc->window), title);
296         g_free(title);
297     }
298 
299     g_free(prefix);
300 }
301 
302 static void gd_update_geometry_hints(VirtualConsole *vc)
303 {
304     GtkDisplayState *s = vc->s;
305     GdkWindowHints mask = 0;
306     GdkGeometry geo = {};
307     GtkWidget *geo_widget = NULL;
308     GtkWindow *geo_window;
309 
310     if (vc->type == GD_VC_GFX) {
311         if (!vc->gfx.ds) {
312             return;
313         }
314         if (s->free_scale) {
315             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
316             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
317             mask |= GDK_HINT_MIN_SIZE;
318         } else {
319             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
320             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
321             mask |= GDK_HINT_MIN_SIZE;
322         }
323         geo_widget = vc->gfx.drawing_area;
324         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
325 
326 #if defined(CONFIG_VTE)
327     } else if (vc->type == GD_VC_VTE) {
328         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
329         GtkBorder *ib;
330 
331         geo.width_inc  = vte_terminal_get_char_width(term);
332         geo.height_inc = vte_terminal_get_char_height(term);
333         mask |= GDK_HINT_RESIZE_INC;
334         geo.base_width  = geo.width_inc;
335         geo.base_height = geo.height_inc;
336         mask |= GDK_HINT_BASE_SIZE;
337         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
338         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
339         mask |= GDK_HINT_MIN_SIZE;
340         gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
341         geo.base_width  += ib->left + ib->right;
342         geo.base_height += ib->top + ib->bottom;
343         geo.min_width   += ib->left + ib->right;
344         geo.min_height  += ib->top + ib->bottom;
345         geo_widget = vc->vte.terminal;
346 #endif
347     }
348 
349     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
350     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
351 }
352 
353 void gd_update_windowsize(VirtualConsole *vc)
354 {
355     GtkDisplayState *s = vc->s;
356 
357     gd_update_geometry_hints(vc);
358 
359     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
360         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
361                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
362     }
363 }
364 
365 static void gd_update_full_redraw(VirtualConsole *vc)
366 {
367     GtkWidget *area = vc->gfx.drawing_area;
368     int ww, wh;
369     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
370     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
371 }
372 
373 static void gtk_release_modifiers(GtkDisplayState *s)
374 {
375     VirtualConsole *vc = gd_vc_find_current(s);
376     int i, keycode;
377 
378     if (vc->type != GD_VC_GFX ||
379         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
380         return;
381     }
382     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
383         keycode = modifier_keycode[i];
384         if (!s->modifier_pressed[i]) {
385             continue;
386         }
387         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
388         s->modifier_pressed[i] = false;
389     }
390 }
391 
392 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
393                                GtkWidget *widget)
394 {
395     g_object_ref(G_OBJECT(widget));
396     gtk_container_remove(GTK_CONTAINER(from), widget);
397     gtk_container_add(GTK_CONTAINER(to), widget);
398     g_object_unref(G_OBJECT(widget));
399 }
400 
401 /** DisplayState Callbacks **/
402 
403 static void gd_update(DisplayChangeListener *dcl,
404                       int x, int y, int w, int h)
405 {
406     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
407     GdkWindow *win;
408     int x1, x2, y1, y2;
409     int mx, my;
410     int fbw, fbh;
411     int ww, wh;
412 
413     trace_gd_update(vc->label, x, y, w, h);
414 
415     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
416         return;
417     }
418 
419     if (vc->gfx.convert) {
420         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
421                                NULL, vc->gfx.convert,
422                                x, y, 0, 0, x, y, w, h);
423     }
424 
425     x1 = floor(x * vc->gfx.scale_x);
426     y1 = floor(y * vc->gfx.scale_y);
427 
428     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
429     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
430 
431     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
432     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
433 
434     win = gtk_widget_get_window(vc->gfx.drawing_area);
435     if (!win) {
436         return;
437     }
438     gdk_drawable_get_size(win, &ww, &wh);
439 
440     mx = my = 0;
441     if (ww > fbw) {
442         mx = (ww - fbw) / 2;
443     }
444     if (wh > fbh) {
445         my = (wh - fbh) / 2;
446     }
447 
448     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
449                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
450 }
451 
452 static void gd_refresh(DisplayChangeListener *dcl)
453 {
454     graphic_hw_update(dcl->con);
455 }
456 
457 #if GTK_CHECK_VERSION(3, 0, 0)
458 static void gd_mouse_set(DisplayChangeListener *dcl,
459                          int x, int y, int visible)
460 {
461     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
462     GdkDisplay *dpy;
463     GdkDeviceManager *mgr;
464     gint x_root, y_root;
465 
466     if (qemu_input_is_absolute()) {
467         return;
468     }
469 
470     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
471     mgr = gdk_display_get_device_manager(dpy);
472     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
473                                x, y, &x_root, &y_root);
474     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
475                     gtk_widget_get_screen(vc->gfx.drawing_area),
476                     x_root, y_root);
477     vc->s->last_x = x;
478     vc->s->last_y = y;
479 }
480 #else
481 static void gd_mouse_set(DisplayChangeListener *dcl,
482                          int x, int y, int visible)
483 {
484     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
485     gint x_root, y_root;
486 
487     if (qemu_input_is_absolute()) {
488         return;
489     }
490 
491     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
492                                x, y, &x_root, &y_root);
493     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
494                              gtk_widget_get_screen(vc->gfx.drawing_area),
495                              x_root, y_root);
496 }
497 #endif
498 
499 static void gd_cursor_define(DisplayChangeListener *dcl,
500                              QEMUCursor *c)
501 {
502     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
503     GdkPixbuf *pixbuf;
504     GdkCursor *cursor;
505 
506     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
507         return;
508     }
509 
510     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
511                                       GDK_COLORSPACE_RGB, true, 8,
512                                       c->width, c->height, c->width * 4,
513                                       NULL, NULL);
514     cursor = gdk_cursor_new_from_pixbuf
515         (gtk_widget_get_display(vc->gfx.drawing_area),
516          pixbuf, c->hot_x, c->hot_y);
517     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
518     g_object_unref(pixbuf);
519 #if !GTK_CHECK_VERSION(3, 0, 0)
520     gdk_cursor_unref(cursor);
521 #else
522     g_object_unref(cursor);
523 #endif
524 }
525 
526 static void gd_switch(DisplayChangeListener *dcl,
527                       DisplaySurface *surface)
528 {
529     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
530     bool resized = true;
531 
532     trace_gd_switch(vc->label,
533                     surface ? surface_width(surface)  : 0,
534                     surface ? surface_height(surface) : 0);
535 
536     if (vc->gfx.surface) {
537         cairo_surface_destroy(vc->gfx.surface);
538         vc->gfx.surface = NULL;
539     }
540     if (vc->gfx.convert) {
541         pixman_image_unref(vc->gfx.convert);
542         vc->gfx.convert = NULL;
543     }
544 
545     if (vc->gfx.ds && surface &&
546         surface_width(vc->gfx.ds) == surface_width(surface) &&
547         surface_height(vc->gfx.ds) == surface_height(surface)) {
548         resized = false;
549     }
550     vc->gfx.ds = surface;
551 
552     if (!surface) {
553         return;
554     }
555 
556     if (surface->format == PIXMAN_x8r8g8b8) {
557         /*
558          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
559          *
560          * No need to convert, use surface directly.  Should be the
561          * common case as this is qemu_default_pixelformat(32) too.
562          */
563         vc->gfx.surface = cairo_image_surface_create_for_data
564             (surface_data(surface),
565              CAIRO_FORMAT_RGB24,
566              surface_width(surface),
567              surface_height(surface),
568              surface_stride(surface));
569     } else {
570         /* Must convert surface, use pixman to do it. */
571         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
572                                                    surface_width(surface),
573                                                    surface_height(surface),
574                                                    NULL, 0);
575         vc->gfx.surface = cairo_image_surface_create_for_data
576             ((void *)pixman_image_get_data(vc->gfx.convert),
577              CAIRO_FORMAT_RGB24,
578              pixman_image_get_width(vc->gfx.convert),
579              pixman_image_get_height(vc->gfx.convert),
580              pixman_image_get_stride(vc->gfx.convert));
581         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
582                                NULL, vc->gfx.convert,
583                                0, 0, 0, 0, 0, 0,
584                                pixman_image_get_width(vc->gfx.convert),
585                                pixman_image_get_height(vc->gfx.convert));
586     }
587 
588     if (resized) {
589         gd_update_windowsize(vc);
590     } else {
591         gd_update_full_redraw(vc);
592     }
593 }
594 
595 static const DisplayChangeListenerOps dcl_ops = {
596     .dpy_name             = "gtk",
597     .dpy_gfx_update       = gd_update,
598     .dpy_gfx_switch       = gd_switch,
599     .dpy_gfx_check_format = qemu_pixman_check_format,
600     .dpy_refresh          = gd_refresh,
601     .dpy_mouse_set        = gd_mouse_set,
602     .dpy_cursor_define    = gd_cursor_define,
603 };
604 
605 
606 #if defined(CONFIG_OPENGL)
607 
608 /** DisplayState Callbacks (opengl version) **/
609 
610 static const DisplayChangeListenerOps dcl_egl_ops = {
611     .dpy_name             = "gtk-egl",
612     .dpy_gfx_update       = gd_egl_update,
613     .dpy_gfx_switch       = gd_egl_switch,
614     .dpy_gfx_check_format = console_gl_check_format,
615     .dpy_refresh          = gd_egl_refresh,
616     .dpy_mouse_set        = gd_mouse_set,
617     .dpy_cursor_define    = gd_cursor_define,
618 };
619 
620 #endif
621 
622 /** QEMU Events **/
623 
624 static void gd_change_runstate(void *opaque, int running, RunState state)
625 {
626     GtkDisplayState *s = opaque;
627 
628     gd_update_caption(s);
629 }
630 
631 static void gd_mouse_mode_change(Notifier *notify, void *data)
632 {
633     GtkDisplayState *s;
634     int i;
635 
636     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
637     /* release the grab at switching to absolute mode */
638     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
639         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
640                                        FALSE);
641     }
642     for (i = 0; i < s->nb_vcs; i++) {
643         VirtualConsole *vc = &s->vc[i];
644         gd_update_cursor(vc);
645     }
646 }
647 
648 /** GTK Events **/
649 
650 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
651                                 void *opaque)
652 {
653     GtkDisplayState *s = opaque;
654     int i;
655 
656     if (!no_quit) {
657         for (i = 0; i < s->nb_vcs; i++) {
658             if (s->vc[i].type != GD_VC_GFX) {
659                 continue;
660             }
661             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
662         }
663         qmp_quit(NULL);
664         return FALSE;
665     }
666 
667     return TRUE;
668 }
669 
670 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
671 {
672     VirtualConsole *vc = opaque;
673     GtkDisplayState *s = vc->s;
674     int mx, my;
675     int ww, wh;
676     int fbw, fbh;
677 
678 #if defined(CONFIG_OPENGL)
679     if (vc->gfx.gls) {
680         gd_egl_draw(vc);
681         return TRUE;
682     }
683 #endif
684 
685     if (!gtk_widget_get_realized(widget)) {
686         return FALSE;
687     }
688     if (!vc->gfx.ds) {
689         return FALSE;
690     }
691 
692     fbw = surface_width(vc->gfx.ds);
693     fbh = surface_height(vc->gfx.ds);
694 
695     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
696 
697     if (s->full_screen) {
698         vc->gfx.scale_x = (double)ww / fbw;
699         vc->gfx.scale_y = (double)wh / fbh;
700     } else if (s->free_scale) {
701         double sx, sy;
702 
703         sx = (double)ww / fbw;
704         sy = (double)wh / fbh;
705 
706         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
707     }
708 
709     fbw *= vc->gfx.scale_x;
710     fbh *= vc->gfx.scale_y;
711 
712     mx = my = 0;
713     if (ww > fbw) {
714         mx = (ww - fbw) / 2;
715     }
716     if (wh > fbh) {
717         my = (wh - fbh) / 2;
718     }
719 
720     cairo_rectangle(cr, 0, 0, ww, wh);
721 
722     /* Optionally cut out the inner area where the pixmap
723        will be drawn. This avoids 'flashing' since we're
724        not double-buffering. Note we're using the undocumented
725        behaviour of drawing the rectangle from right to left
726        to cut out the whole */
727     cairo_rectangle(cr, mx + fbw, my,
728                     -1 * fbw, fbh);
729     cairo_fill(cr);
730 
731     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
732     cairo_set_source_surface(cr, vc->gfx.surface,
733                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
734     cairo_paint(cr);
735 
736     return TRUE;
737 }
738 
739 #if !GTK_CHECK_VERSION(3, 0, 0)
740 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
741                                 void *opaque)
742 {
743     cairo_t *cr;
744     gboolean ret;
745 
746     cr = gdk_cairo_create(gtk_widget_get_window(widget));
747     cairo_rectangle(cr,
748                     expose->area.x,
749                     expose->area.y,
750                     expose->area.width,
751                     expose->area.height);
752     cairo_clip(cr);
753 
754     ret = gd_draw_event(widget, cr, opaque);
755 
756     cairo_destroy(cr);
757 
758     return ret;
759 }
760 #endif
761 
762 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
763                                 void *opaque)
764 {
765     VirtualConsole *vc = opaque;
766     GtkDisplayState *s = vc->s;
767     int x, y;
768     int mx, my;
769     int fbh, fbw;
770     int ww, wh;
771 
772     if (!vc->gfx.ds) {
773         return TRUE;
774     }
775 
776     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
777     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
778 
779     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
780                           &ww, &wh);
781 
782     mx = my = 0;
783     if (ww > fbw) {
784         mx = (ww - fbw) / 2;
785     }
786     if (wh > fbh) {
787         my = (wh - fbh) / 2;
788     }
789 
790     x = (motion->x - mx) / vc->gfx.scale_x;
791     y = (motion->y - my) / vc->gfx.scale_y;
792 
793     if (qemu_input_is_absolute()) {
794         if (x < 0 || y < 0 ||
795             x >= surface_width(vc->gfx.ds) ||
796             y >= surface_height(vc->gfx.ds)) {
797             return TRUE;
798         }
799         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
800                              surface_width(vc->gfx.ds));
801         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
802                              surface_height(vc->gfx.ds));
803         qemu_input_event_sync();
804     } else if (s->last_set && s->ptr_owner == vc) {
805         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
806         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
807         qemu_input_event_sync();
808     }
809     s->last_x = x;
810     s->last_y = y;
811     s->last_set = TRUE;
812 
813     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
814         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
815         int x = (int)motion->x_root;
816         int y = (int)motion->y_root;
817 
818         /* In relative mode check to see if client pointer hit
819          * one of the screen edges, and if so move it back by
820          * 200 pixels. This is important because the pointer
821          * in the server doesn't correspond 1-for-1, and so
822          * may still be only half way across the screen. Without
823          * this warp, the server pointer would thus appear to hit
824          * an invisible wall */
825         if (x == 0) {
826             x += 200;
827         }
828         if (y == 0) {
829             y += 200;
830         }
831         if (x == (gdk_screen_get_width(screen) - 1)) {
832             x -= 200;
833         }
834         if (y == (gdk_screen_get_height(screen) - 1)) {
835             y -= 200;
836         }
837 
838         if (x != (int)motion->x_root || y != (int)motion->y_root) {
839 #if GTK_CHECK_VERSION(3, 0, 0)
840             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
841             gdk_device_warp(dev, screen, x, y);
842 #else
843             GdkDisplay *display = gtk_widget_get_display(widget);
844             gdk_display_warp_pointer(display, screen, x, y);
845 #endif
846             s->last_set = FALSE;
847             return FALSE;
848         }
849     }
850     return TRUE;
851 }
852 
853 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
854                                 void *opaque)
855 {
856     VirtualConsole *vc = opaque;
857     GtkDisplayState *s = vc->s;
858     InputButton btn;
859 
860     /* implicitly grab the input at the first click in the relative mode */
861     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
862         !qemu_input_is_absolute() && s->ptr_owner != vc) {
863         if (!vc->window) {
864             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
865                                            TRUE);
866         } else {
867             gd_grab_pointer(vc, "relative-mode-click");
868         }
869         return TRUE;
870     }
871 
872     if (button->button == 1) {
873         btn = INPUT_BUTTON_LEFT;
874     } else if (button->button == 2) {
875         btn = INPUT_BUTTON_MIDDLE;
876     } else if (button->button == 3) {
877         btn = INPUT_BUTTON_RIGHT;
878     } else {
879         return TRUE;
880     }
881 
882     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
883                          button->type == GDK_BUTTON_PRESS);
884     qemu_input_event_sync();
885     return TRUE;
886 }
887 
888 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
889                                 void *opaque)
890 {
891     VirtualConsole *vc = opaque;
892     InputButton btn;
893 
894     if (scroll->direction == GDK_SCROLL_UP) {
895         btn = INPUT_BUTTON_WHEEL_UP;
896     } else if (scroll->direction == GDK_SCROLL_DOWN) {
897         btn = INPUT_BUTTON_WHEEL_DOWN;
898     } else {
899         return TRUE;
900     }
901 
902     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
903     qemu_input_event_sync();
904     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
905     qemu_input_event_sync();
906     return TRUE;
907 }
908 
909 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
910 {
911     int qemu_keycode;
912 
913 #ifdef GDK_WINDOWING_WIN32
914     if (GDK_IS_WIN32_DISPLAY(dpy)) {
915         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
916         switch (qemu_keycode) {
917         case 103:   /* alt gr */
918             qemu_keycode = 56 | SCANCODE_GREY;
919             break;
920         }
921         return qemu_keycode;
922     }
923 #endif
924 
925     if (gdk_keycode < 9) {
926         qemu_keycode = 0;
927     } else if (gdk_keycode < 97) {
928         qemu_keycode = gdk_keycode - 8;
929 #ifdef GDK_WINDOWING_X11
930     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
931         if (s->has_evdev) {
932             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
933         } else {
934             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
935         }
936 #endif
937     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
938         qemu_keycode = 0x70;
939     } else if (gdk_keycode == 211) { /* backslash */
940         qemu_keycode = 0x73;
941     } else {
942         qemu_keycode = 0;
943     }
944 
945     return qemu_keycode;
946 }
947 
948 static gboolean gd_text_key_down(GtkWidget *widget,
949                                  GdkEventKey *key, void *opaque)
950 {
951     VirtualConsole *vc = opaque;
952     QemuConsole *con = vc->gfx.dcl.con;
953 
954     if (key->length) {
955         kbd_put_string_console(con, key->string, key->length);
956     } else {
957         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
958                                  key->hardware_keycode);
959         int qcode = qemu_input_key_number_to_qcode(num);
960         kbd_put_qcode_console(con, qcode);
961     }
962     return TRUE;
963 }
964 
965 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
966 {
967     VirtualConsole *vc = opaque;
968     GtkDisplayState *s = vc->s;
969     int gdk_keycode = key->hardware_keycode;
970     int qemu_keycode;
971     int i;
972 
973     if (s->ignore_keys) {
974         s->ignore_keys = (key->type == GDK_KEY_PRESS);
975         return TRUE;
976     }
977 
978     if (key->keyval == GDK_KEY_Pause) {
979         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
980                                         key->type == GDK_KEY_PRESS);
981         return TRUE;
982     }
983 
984     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
985                                   gdk_keycode);
986 
987     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
988                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
989 
990     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
991         if (qemu_keycode == modifier_keycode[i]) {
992             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
993         }
994     }
995 
996     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
997                                      key->type == GDK_KEY_PRESS);
998 
999     return TRUE;
1000 }
1001 
1002 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1003 {
1004     if (event->type == GDK_MOTION_NOTIFY) {
1005         return gd_motion_event(widget, &event->motion, opaque);
1006     }
1007     return FALSE;
1008 }
1009 
1010 /** Window Menu Actions **/
1011 
1012 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1013 {
1014     GtkDisplayState *s = opaque;
1015 
1016     if (s->external_pause_update) {
1017         return;
1018     }
1019     if (runstate_is_running()) {
1020         qmp_stop(NULL);
1021     } else {
1022         qmp_cont(NULL);
1023     }
1024 }
1025 
1026 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1027 {
1028     qmp_system_reset(NULL);
1029 }
1030 
1031 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1032 {
1033     qmp_system_powerdown(NULL);
1034 }
1035 
1036 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1037 {
1038     qmp_quit(NULL);
1039 }
1040 
1041 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1042 {
1043     GtkDisplayState *s = opaque;
1044     VirtualConsole *vc = gd_vc_find_by_menu(s);
1045     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1046     gint page;
1047 
1048     gtk_release_modifiers(s);
1049     if (vc) {
1050         page = gtk_notebook_page_num(nb, vc->tab_item);
1051         gtk_notebook_set_current_page(nb, page);
1052         gtk_widget_grab_focus(vc->focus);
1053     }
1054     s->ignore_keys = false;
1055 }
1056 
1057 static void gd_accel_switch_vc(void *opaque)
1058 {
1059     VirtualConsole *vc = opaque;
1060 
1061     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1062 #if !GTK_CHECK_VERSION(3, 0, 0)
1063     /* GTK2 sends the accel key to the target console - ignore this until */
1064     vc->s->ignore_keys = true;
1065 #endif
1066 }
1067 
1068 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1069 {
1070     GtkDisplayState *s = opaque;
1071     VirtualConsole *vc = gd_vc_find_current(s);
1072 
1073     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1074         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1075     } else {
1076         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1077     }
1078     gd_update_windowsize(vc);
1079 }
1080 
1081 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1082                                     void *opaque)
1083 {
1084     VirtualConsole *vc = opaque;
1085     GtkDisplayState *s = vc->s;
1086 
1087     gtk_widget_set_sensitive(vc->menu_item, true);
1088     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1089     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1090                                     vc->tab_item, vc->label);
1091     gtk_widget_destroy(vc->window);
1092     vc->window = NULL;
1093     return TRUE;
1094 }
1095 
1096 static gboolean gd_win_grab(void *opaque)
1097 {
1098     VirtualConsole *vc = opaque;
1099 
1100     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1101     if (vc->s->ptr_owner) {
1102         gd_ungrab_pointer(vc->s);
1103     } else {
1104         gd_grab_pointer(vc, "user-request-detached-tab");
1105     }
1106     return TRUE;
1107 }
1108 
1109 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1110 {
1111     GtkDisplayState *s = opaque;
1112     VirtualConsole *vc = gd_vc_find_current(s);
1113 
1114     if (vc->type == GD_VC_GFX &&
1115         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1116         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1117                                        FALSE);
1118     }
1119     if (!vc->window) {
1120         gtk_widget_set_sensitive(vc->menu_item, false);
1121         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1122         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1123 
1124         g_signal_connect(vc->window, "delete-event",
1125                          G_CALLBACK(gd_tab_window_close), vc);
1126         gtk_widget_show_all(vc->window);
1127 
1128         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1129             GtkAccelGroup *ag = gtk_accel_group_new();
1130             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1131 
1132             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1133                                                vc, NULL);
1134             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1135         }
1136 
1137         gd_update_geometry_hints(vc);
1138         gd_update_caption(s);
1139     }
1140 }
1141 
1142 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1143 {
1144     GtkDisplayState *s = opaque;
1145     VirtualConsole *vc = gd_vc_find_current(s);
1146 
1147     if (!s->full_screen) {
1148         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1149         gtk_widget_hide(s->menu_bar);
1150         if (vc->type == GD_VC_GFX) {
1151             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1152         }
1153         gtk_window_fullscreen(GTK_WINDOW(s->window));
1154         s->full_screen = TRUE;
1155     } else {
1156         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1157         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1158         gtk_widget_show(s->menu_bar);
1159         s->full_screen = FALSE;
1160         if (vc->type == GD_VC_GFX) {
1161             vc->gfx.scale_x = 1.0;
1162             vc->gfx.scale_y = 1.0;
1163             gd_update_windowsize(vc);
1164         }
1165     }
1166 
1167     gd_update_cursor(vc);
1168 }
1169 
1170 static void gd_accel_full_screen(void *opaque)
1171 {
1172     GtkDisplayState *s = opaque;
1173     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1174 }
1175 
1176 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1177 {
1178     GtkDisplayState *s = opaque;
1179     VirtualConsole *vc = gd_vc_find_current(s);
1180 
1181     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1182                                    FALSE);
1183 
1184     vc->gfx.scale_x += VC_SCALE_STEP;
1185     vc->gfx.scale_y += VC_SCALE_STEP;
1186 
1187     gd_update_windowsize(vc);
1188 }
1189 
1190 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1191 {
1192     GtkDisplayState *s = opaque;
1193     VirtualConsole *vc = gd_vc_find_current(s);
1194 
1195     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1196                                    FALSE);
1197 
1198     vc->gfx.scale_x -= VC_SCALE_STEP;
1199     vc->gfx.scale_y -= VC_SCALE_STEP;
1200 
1201     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1202     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1203 
1204     gd_update_windowsize(vc);
1205 }
1206 
1207 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1208 {
1209     GtkDisplayState *s = opaque;
1210     VirtualConsole *vc = gd_vc_find_current(s);
1211 
1212     vc->gfx.scale_x = 1.0;
1213     vc->gfx.scale_y = 1.0;
1214 
1215     gd_update_windowsize(vc);
1216 }
1217 
1218 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1219 {
1220     GtkDisplayState *s = opaque;
1221     VirtualConsole *vc = gd_vc_find_current(s);
1222 
1223     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1224         s->free_scale = TRUE;
1225     } else {
1226         s->free_scale = FALSE;
1227         vc->gfx.scale_x = 1.0;
1228         vc->gfx.scale_y = 1.0;
1229     }
1230 
1231     gd_update_windowsize(vc);
1232     gd_update_full_redraw(vc);
1233 }
1234 
1235 #if GTK_CHECK_VERSION(3, 0, 0)
1236 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1237                             GdkInputSource source, GdkEventMask mask,
1238                             GdkCursor *cursor)
1239 {
1240     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1241     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1242     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1243     GList *tmp = devs;
1244 
1245     for (tmp = devs; tmp; tmp = tmp->next) {
1246         GdkDevice *dev = tmp->data;
1247         if (gdk_device_get_source(dev) != source) {
1248             continue;
1249         }
1250         if (grab) {
1251             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1252             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1253                             mask, cursor, GDK_CURRENT_TIME);
1254         } else {
1255             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1256         }
1257     }
1258     g_list_free(devs);
1259 }
1260 #endif
1261 
1262 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1263 {
1264     if (vc->s->kbd_owner) {
1265         if (vc->s->kbd_owner == vc) {
1266             return;
1267         } else {
1268             gd_ungrab_keyboard(vc->s);
1269         }
1270     }
1271 
1272 #if GTK_CHECK_VERSION(3, 0, 0)
1273     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1274                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1275                    NULL);
1276 #else
1277     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1278                       FALSE,
1279                       GDK_CURRENT_TIME);
1280 #endif
1281     vc->s->kbd_owner = vc;
1282     gd_update_caption(vc->s);
1283     trace_gd_grab(vc->label, "kbd", reason);
1284 }
1285 
1286 static void gd_ungrab_keyboard(GtkDisplayState *s)
1287 {
1288     VirtualConsole *vc = s->kbd_owner;
1289 
1290     if (vc == NULL) {
1291         return;
1292     }
1293     s->kbd_owner = NULL;
1294 
1295 #if GTK_CHECK_VERSION(3, 0, 0)
1296     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1297 #else
1298     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1299 #endif
1300     gd_update_caption(s);
1301     trace_gd_ungrab(vc->label, "kbd");
1302 }
1303 
1304 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1305 {
1306     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1307 
1308     if (vc->s->ptr_owner) {
1309         if (vc->s->ptr_owner == vc) {
1310             return;
1311         } else {
1312             gd_ungrab_pointer(vc->s);
1313         }
1314     }
1315 
1316 #if GTK_CHECK_VERSION(3, 0, 0)
1317     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1318     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1319                     GDK_POINTER_MOTION_MASK |
1320                     GDK_BUTTON_PRESS_MASK |
1321                     GDK_BUTTON_RELEASE_MASK |
1322                     GDK_BUTTON_MOTION_MASK |
1323                     GDK_SCROLL_MASK,
1324                     vc->s->null_cursor);
1325     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1326                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1327 #else
1328     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1329                      FALSE, /* All events to come to our window directly */
1330                      GDK_POINTER_MOTION_MASK |
1331                      GDK_BUTTON_PRESS_MASK |
1332                      GDK_BUTTON_RELEASE_MASK |
1333                      GDK_BUTTON_MOTION_MASK |
1334                      GDK_SCROLL_MASK,
1335                      NULL, /* Allow cursor to move over entire desktop */
1336                      vc->s->null_cursor,
1337                      GDK_CURRENT_TIME);
1338     gdk_display_get_pointer(display, NULL,
1339                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1340 #endif
1341     vc->s->ptr_owner = vc;
1342     gd_update_caption(vc->s);
1343     trace_gd_grab(vc->label, "ptr", reason);
1344 }
1345 
1346 static void gd_ungrab_pointer(GtkDisplayState *s)
1347 {
1348     VirtualConsole *vc = s->ptr_owner;
1349 
1350     if (vc == NULL) {
1351         return;
1352     }
1353     s->ptr_owner = NULL;
1354 
1355     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1356 #if GTK_CHECK_VERSION(3, 0, 0)
1357     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1358     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1359     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1360                     gtk_widget_get_screen(vc->gfx.drawing_area),
1361                     vc->s->grab_x_root, vc->s->grab_y_root);
1362 #else
1363     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1364     gdk_display_warp_pointer(display,
1365                              gtk_widget_get_screen(vc->gfx.drawing_area),
1366                              vc->s->grab_x_root, vc->s->grab_y_root);
1367 #endif
1368     gd_update_caption(s);
1369     trace_gd_ungrab(vc->label, "ptr");
1370 }
1371 
1372 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1373 {
1374     GtkDisplayState *s = opaque;
1375     VirtualConsole *vc = gd_vc_find_current(s);
1376 
1377     if (gd_is_grab_active(s)) {
1378         gd_grab_keyboard(vc, "user-request-main-window");
1379         gd_grab_pointer(vc, "user-request-main-window");
1380     } else {
1381         gd_ungrab_keyboard(s);
1382         gd_ungrab_pointer(s);
1383     }
1384 
1385     gd_update_cursor(vc);
1386 }
1387 
1388 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1389                            gpointer data)
1390 {
1391     GtkDisplayState *s = data;
1392     VirtualConsole *vc;
1393     gboolean on_vga;
1394 
1395     if (!gtk_widget_get_realized(s->notebook)) {
1396         return;
1397     }
1398 
1399 #ifdef VTE_RESIZE_HACK
1400     vc = gd_vc_find_current(s);
1401     if (vc && vc->type == GD_VC_VTE) {
1402         gtk_widget_hide(vc->vte.terminal);
1403     }
1404 #endif
1405     vc = gd_vc_find_by_page(s, arg2);
1406     if (!vc) {
1407         return;
1408     }
1409 #ifdef VTE_RESIZE_HACK
1410     if (vc->type == GD_VC_VTE) {
1411         gtk_widget_show(vc->vte.terminal);
1412     }
1413 #endif
1414     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1415                                    TRUE);
1416     on_vga = (vc->type == GD_VC_GFX &&
1417               qemu_console_is_graphic(vc->gfx.dcl.con));
1418     if (!on_vga) {
1419         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1420                                        FALSE);
1421     } else if (s->full_screen) {
1422         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1423                                        TRUE);
1424     }
1425     gtk_widget_set_sensitive(s->grab_item, on_vga);
1426 
1427     gd_update_windowsize(vc);
1428     gd_update_cursor(vc);
1429 }
1430 
1431 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1432                                gpointer opaque)
1433 {
1434     VirtualConsole *vc = opaque;
1435     GtkDisplayState *s = vc->s;
1436 
1437     if (gd_grab_on_hover(s)) {
1438         gd_grab_keyboard(vc, "grab-on-hover");
1439     }
1440     return TRUE;
1441 }
1442 
1443 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1444                                gpointer opaque)
1445 {
1446     VirtualConsole *vc = opaque;
1447     GtkDisplayState *s = vc->s;
1448 
1449     if (gd_grab_on_hover(s)) {
1450         gd_ungrab_keyboard(s);
1451     }
1452     return TRUE;
1453 }
1454 
1455 static gboolean gd_focus_out_event(GtkWidget *widget,
1456                                    GdkEventCrossing *crossing, gpointer opaque)
1457 {
1458     VirtualConsole *vc = opaque;
1459     GtkDisplayState *s = vc->s;
1460 
1461     gtk_release_modifiers(s);
1462     return TRUE;
1463 }
1464 
1465 static gboolean gd_configure(GtkWidget *widget,
1466                              GdkEventConfigure *cfg, gpointer opaque)
1467 {
1468     VirtualConsole *vc = opaque;
1469     QemuUIInfo info;
1470 
1471     memset(&info, 0, sizeof(info));
1472     info.width = cfg->width;
1473     info.height = cfg->height;
1474     dpy_set_ui_info(vc->gfx.dcl.con, &info);
1475     return FALSE;
1476 }
1477 
1478 /** Virtual Console Callbacks **/
1479 
1480 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1481                                int idx, GSList *group, GtkWidget *view_menu)
1482 {
1483     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1484     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1485             HOTKEY_MODIFIERS, 0,
1486             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1487 #if GTK_CHECK_VERSION(3, 8, 0)
1488     gtk_accel_label_set_accel(
1489             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1490             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1491 #endif
1492 
1493     g_signal_connect(vc->menu_item, "activate",
1494                      G_CALLBACK(gd_menu_switch_vc), s);
1495     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1496 
1497     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1498     return group;
1499 }
1500 
1501 #if defined(CONFIG_VTE)
1502 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1503 {
1504     VirtualConsole *vc = opaque;
1505 
1506     if (gtk_adjustment_get_upper(adjustment) >
1507         gtk_adjustment_get_page_size(adjustment)) {
1508         gtk_widget_show(vc->vte.scrollbar);
1509     } else {
1510         gtk_widget_hide(vc->vte.scrollbar);
1511     }
1512 }
1513 
1514 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1515 {
1516     VirtualConsole *vc = chr->opaque;
1517 
1518     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1519     return len;
1520 }
1521 
1522 static int nb_vcs;
1523 static CharDriverState *vcs[MAX_VCS];
1524 
1525 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1526 {
1527     CharDriverState *chr;
1528 
1529     chr = g_malloc0(sizeof(*chr));
1530     chr->chr_write = gd_vc_chr_write;
1531     /* defer OPENED events until our vc is fully initialized */
1532     chr->explicit_be_open = true;
1533 
1534     vcs[nb_vcs++] = chr;
1535 
1536     return chr;
1537 }
1538 
1539 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1540                          gpointer user_data)
1541 {
1542     VirtualConsole *vc = user_data;
1543 
1544     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1545     return TRUE;
1546 }
1547 
1548 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1549                               CharDriverState *chr, int idx,
1550                               GSList *group, GtkWidget *view_menu)
1551 {
1552     char buffer[32];
1553     GtkWidget *box;
1554     GtkWidget *scrollbar;
1555     GtkAdjustment *vadjustment;
1556 
1557     vc->s = s;
1558     vc->vte.chr = chr;
1559 
1560     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1561     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1562                                 ? vc->vte.chr->label : buffer);
1563     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1564 
1565     vc->vte.terminal = vte_terminal_new();
1566     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1567 
1568     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1569     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1570                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1571 
1572 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1573     vadjustment = gtk_scrollable_get_vadjustment
1574         (GTK_SCROLLABLE(vc->vte.terminal));
1575 #else
1576     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1577 #endif
1578 
1579 #if GTK_CHECK_VERSION(3, 0, 0)
1580     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1581     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1582 #else
1583     box = gtk_hbox_new(false, 2);
1584     scrollbar = gtk_vscrollbar_new(vadjustment);
1585 #endif
1586 
1587     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1588     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1589 
1590     vc->vte.chr->opaque = vc;
1591     vc->vte.box = box;
1592     vc->vte.scrollbar = scrollbar;
1593 
1594     g_signal_connect(vadjustment, "changed",
1595                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1596 
1597     vc->type = GD_VC_VTE;
1598     vc->tab_item = box;
1599     vc->focus = vc->vte.terminal;
1600     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1601                              gtk_label_new(vc->label));
1602 
1603     qemu_chr_be_generic_open(vc->vte.chr);
1604     if (vc->vte.chr->init) {
1605         vc->vte.chr->init(vc->vte.chr);
1606     }
1607 
1608     return group;
1609 }
1610 
1611 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1612                         GtkWidget *view_menu)
1613 {
1614     int i;
1615 
1616     for (i = 0; i < nb_vcs; i++) {
1617         VirtualConsole *vc = &s->vc[s->nb_vcs];
1618         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1619         s->nb_vcs++;
1620     }
1621 }
1622 #endif /* CONFIG_VTE */
1623 
1624 /** Window Creation **/
1625 
1626 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1627 {
1628 #if GTK_CHECK_VERSION(3, 0, 0)
1629     g_signal_connect(vc->gfx.drawing_area, "draw",
1630                      G_CALLBACK(gd_draw_event), vc);
1631 #else
1632     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1633                      G_CALLBACK(gd_expose_event), vc);
1634 #endif
1635     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1636         g_signal_connect(vc->gfx.drawing_area, "event",
1637                          G_CALLBACK(gd_event), vc);
1638         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1639                          G_CALLBACK(gd_button_event), vc);
1640         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1641                          G_CALLBACK(gd_button_event), vc);
1642         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1643                          G_CALLBACK(gd_scroll_event), vc);
1644         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1645                          G_CALLBACK(gd_key_event), vc);
1646         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1647                          G_CALLBACK(gd_key_event), vc);
1648 
1649         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1650                          G_CALLBACK(gd_enter_event), vc);
1651         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1652                          G_CALLBACK(gd_leave_event), vc);
1653         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1654                          G_CALLBACK(gd_focus_out_event), vc);
1655         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1656                          G_CALLBACK(gd_configure), vc);
1657     } else {
1658         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1659                          G_CALLBACK(gd_text_key_down), vc);
1660     }
1661 }
1662 
1663 static void gd_connect_signals(GtkDisplayState *s)
1664 {
1665     g_signal_connect(s->show_tabs_item, "activate",
1666                      G_CALLBACK(gd_menu_show_tabs), s);
1667     g_signal_connect(s->untabify_item, "activate",
1668                      G_CALLBACK(gd_menu_untabify), s);
1669 
1670     g_signal_connect(s->window, "delete-event",
1671                      G_CALLBACK(gd_window_close), s);
1672 
1673     g_signal_connect(s->pause_item, "activate",
1674                      G_CALLBACK(gd_menu_pause), s);
1675     g_signal_connect(s->reset_item, "activate",
1676                      G_CALLBACK(gd_menu_reset), s);
1677     g_signal_connect(s->powerdown_item, "activate",
1678                      G_CALLBACK(gd_menu_powerdown), s);
1679     g_signal_connect(s->quit_item, "activate",
1680                      G_CALLBACK(gd_menu_quit), s);
1681     g_signal_connect(s->full_screen_item, "activate",
1682                      G_CALLBACK(gd_menu_full_screen), s);
1683     g_signal_connect(s->zoom_in_item, "activate",
1684                      G_CALLBACK(gd_menu_zoom_in), s);
1685     g_signal_connect(s->zoom_out_item, "activate",
1686                      G_CALLBACK(gd_menu_zoom_out), s);
1687     g_signal_connect(s->zoom_fixed_item, "activate",
1688                      G_CALLBACK(gd_menu_zoom_fixed), s);
1689     g_signal_connect(s->zoom_fit_item, "activate",
1690                      G_CALLBACK(gd_menu_zoom_fit), s);
1691     g_signal_connect(s->grab_item, "activate",
1692                      G_CALLBACK(gd_menu_grab_input), s);
1693     g_signal_connect(s->notebook, "switch-page",
1694                      G_CALLBACK(gd_change_page), s);
1695 }
1696 
1697 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1698 {
1699     GtkWidget *machine_menu;
1700     GtkWidget *separator;
1701 
1702     machine_menu = gtk_menu_new();
1703     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1704 
1705     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1706     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1707 
1708     separator = gtk_separator_menu_item_new();
1709     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1710 
1711     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1712     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1713 
1714     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1715     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1716 
1717     separator = gtk_separator_menu_item_new();
1718     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1719 
1720     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1721     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1722                                  "<QEMU>/Machine/Quit");
1723     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1724                             GDK_KEY_q, HOTKEY_MODIFIERS);
1725     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1726 
1727     return machine_menu;
1728 }
1729 
1730 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1731                               QemuConsole *con, int idx,
1732                               GSList *group, GtkWidget *view_menu)
1733 {
1734     vc->label = qemu_console_get_label(con);
1735     vc->s = s;
1736     vc->gfx.scale_x = 1.0;
1737     vc->gfx.scale_y = 1.0;
1738 
1739     vc->gfx.drawing_area = gtk_drawing_area_new();
1740     gtk_widget_add_events(vc->gfx.drawing_area,
1741                           GDK_POINTER_MOTION_MASK |
1742                           GDK_BUTTON_PRESS_MASK |
1743                           GDK_BUTTON_RELEASE_MASK |
1744                           GDK_BUTTON_MOTION_MASK |
1745                           GDK_ENTER_NOTIFY_MASK |
1746                           GDK_LEAVE_NOTIFY_MASK |
1747                           GDK_SCROLL_MASK |
1748                           GDK_KEY_PRESS_MASK);
1749     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1750 
1751     vc->type = GD_VC_GFX;
1752     vc->tab_item = vc->gfx.drawing_area;
1753     vc->focus = vc->gfx.drawing_area;
1754     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1755                              vc->tab_item, gtk_label_new(vc->label));
1756 
1757 #if defined(CONFIG_OPENGL)
1758     if (display_opengl) {
1759         /*
1760          * gtk_widget_set_double_buffered() was deprecated in 3.14.
1761          * It is required for opengl rendering on X11 though.  A
1762          * proper replacement (native opengl support) is only
1763          * available in 3.16+.  Silence the warning if possible.
1764          */
1765 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1766 #pragma GCC diagnostic push
1767 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1768 #endif
1769         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1770 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1771 #pragma GCC diagnostic pop
1772 #endif
1773         vc->gfx.dcl.ops = &dcl_egl_ops;
1774     } else
1775 #endif
1776     {
1777         vc->gfx.dcl.ops = &dcl_ops;
1778     }
1779 
1780     vc->gfx.dcl.con = con;
1781     register_displaychangelistener(&vc->gfx.dcl);
1782 
1783     gd_connect_vc_gfx_signals(vc);
1784     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1785 
1786     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
1787         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
1788         s->free_scale = true;
1789     }
1790 
1791     return group;
1792 }
1793 
1794 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
1795 {
1796     GSList *group = NULL;
1797     GtkWidget *view_menu;
1798     GtkWidget *separator;
1799     QemuConsole *con;
1800     int vc;
1801 
1802     view_menu = gtk_menu_new();
1803     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
1804 
1805     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1806 
1807     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
1808             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
1809 #if GTK_CHECK_VERSION(3, 8, 0)
1810     gtk_accel_label_set_accel(
1811             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
1812             GDK_KEY_f, HOTKEY_MODIFIERS);
1813 #endif
1814     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1815 
1816     separator = gtk_separator_menu_item_new();
1817     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1818 
1819     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1820     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1821                                  "<QEMU>/View/Zoom In");
1822     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1823                             HOTKEY_MODIFIERS);
1824     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1825 
1826     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1827     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1828                                  "<QEMU>/View/Zoom Out");
1829     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1830                             HOTKEY_MODIFIERS);
1831     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1832 
1833     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1834     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1835                                  "<QEMU>/View/Zoom Fixed");
1836     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1837                             HOTKEY_MODIFIERS);
1838     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1839 
1840     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1841     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1842 
1843     separator = gtk_separator_menu_item_new();
1844     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1845 
1846     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1847     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1848 
1849     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1850     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1851                                  "<QEMU>/View/Grab Input");
1852     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1853                             HOTKEY_MODIFIERS);
1854     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1855 
1856     separator = gtk_separator_menu_item_new();
1857     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1858 
1859     /* gfx */
1860     for (vc = 0;; vc++) {
1861         con = qemu_console_lookup_by_index(vc);
1862         if (!con) {
1863             break;
1864         }
1865         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1866                                vc, group, view_menu);
1867         s->nb_vcs++;
1868     }
1869 
1870 #if defined(CONFIG_VTE)
1871     /* vte */
1872     gd_vcs_init(s, group, view_menu);
1873 #endif
1874 
1875     separator = gtk_separator_menu_item_new();
1876     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1877 
1878     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1879     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1880 
1881     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1882     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1883 
1884     return view_menu;
1885 }
1886 
1887 static void gd_create_menus(GtkDisplayState *s)
1888 {
1889     s->accel_group = gtk_accel_group_new();
1890     s->machine_menu = gd_create_menu_machine(s);
1891     s->view_menu = gd_create_menu_view(s);
1892 
1893     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1894     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1895                               s->machine_menu);
1896     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1897 
1898     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1899     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1900     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1901 
1902     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
1903     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
1904 }
1905 
1906 static void gd_set_keycode_type(GtkDisplayState *s)
1907 {
1908 #ifdef GDK_WINDOWING_X11
1909     GdkDisplay *display = gtk_widget_get_display(s->window);
1910     if (GDK_IS_X11_DISPLAY(display)) {
1911         Display *x11_display = gdk_x11_display_get_xdisplay(display);
1912         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
1913                                          XkbUseCoreKbd);
1914         char *keycodes = NULL;
1915 
1916         if (desc && desc->names) {
1917             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
1918         }
1919         if (keycodes == NULL) {
1920             fprintf(stderr, "could not lookup keycode name\n");
1921         } else if (strstart(keycodes, "evdev", NULL)) {
1922             s->has_evdev = true;
1923         } else if (!strstart(keycodes, "xfree86", NULL)) {
1924             fprintf(stderr, "unknown keycodes `%s', please report to "
1925                     "qemu-devel@nongnu.org\n", keycodes);
1926         }
1927 
1928         if (desc) {
1929             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
1930         }
1931         if (keycodes) {
1932             XFree(keycodes);
1933         }
1934     }
1935 #endif
1936 }
1937 
1938 static gboolean gtkinit;
1939 
1940 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1941 {
1942     GtkDisplayState *s = g_malloc0(sizeof(*s));
1943     char *filename;
1944     GdkDisplay *window_display;
1945 
1946     if (!gtkinit) {
1947         fprintf(stderr, "gtk initialization failed\n");
1948         exit(1);
1949     }
1950 
1951     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1952 #if GTK_CHECK_VERSION(3, 2, 0)
1953     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1954 #else
1955     s->vbox = gtk_vbox_new(FALSE, 0);
1956 #endif
1957     s->notebook = gtk_notebook_new();
1958     s->menu_bar = gtk_menu_bar_new();
1959 
1960     s->free_scale = FALSE;
1961 
1962     /* LC_MESSAGES only. See early_gtk_display_init() for details */
1963     setlocale(LC_MESSAGES, "");
1964     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1965     textdomain("qemu");
1966 
1967     window_display = gtk_widget_get_display(s->window);
1968     s->null_cursor = gdk_cursor_new_for_display(window_display,
1969                                                 GDK_BLANK_CURSOR);
1970 
1971     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1972     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1973     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1974 
1975     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1976     if (filename) {
1977         GError *error = NULL;
1978         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1979         if (pixbuf) {
1980             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1981         } else {
1982             g_error_free(error);
1983         }
1984         g_free(filename);
1985     }
1986 
1987     gd_create_menus(s);
1988 
1989     gd_connect_signals(s);
1990 
1991     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1992     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1993 
1994     gd_update_caption(s);
1995 
1996     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1997     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1998 
1999     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2000 
2001     gtk_widget_show_all(s->window);
2002 
2003 #ifdef VTE_RESIZE_HACK
2004     {
2005         VirtualConsole *cur = gd_vc_find_current(s);
2006         if (cur) {
2007             int i;
2008 
2009             for (i = 0; i < s->nb_vcs; i++) {
2010                 VirtualConsole *vc = &s->vc[i];
2011                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2012                     gtk_widget_hide(vc->vte.terminal);
2013                 }
2014             }
2015             gd_update_windowsize(cur);
2016         }
2017     }
2018 #endif
2019 
2020     if (full_screen) {
2021         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2022     }
2023     if (grab_on_hover) {
2024         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2025     }
2026 
2027     gd_set_keycode_type(s);
2028 }
2029 
2030 void early_gtk_display_init(int opengl)
2031 {
2032     /* The QEMU code relies on the assumption that it's always run in
2033      * the C locale. Therefore it is not prepared to deal with
2034      * operations that produce different results depending on the
2035      * locale, such as printf's formatting of decimal numbers, and
2036      * possibly others.
2037      *
2038      * Since GTK+ calls setlocale() by default -importing the locale
2039      * settings from the environment- we must prevent it from doing so
2040      * using gtk_disable_setlocale().
2041      *
2042      * QEMU's GTK+ UI, however, _does_ have translations for some of
2043      * the menu items. As a trade-off between a functionally correct
2044      * QEMU and a fully internationalized UI we support importing
2045      * LC_MESSAGES from the environment (see the setlocale() call
2046      * earlier in this file). This allows us to display translated
2047      * messages leaving everything else untouched.
2048      */
2049     gtk_disable_setlocale();
2050     gtkinit = gtk_init_check(NULL, NULL);
2051     if (!gtkinit) {
2052         /* don't exit yet, that'll break -help */
2053         return;
2054     }
2055 
2056     switch (opengl) {
2057     case -1: /* default */
2058     case 0:  /* off */
2059         break;
2060     case 1: /* on */
2061 #if defined(CONFIG_OPENGL)
2062         gtk_egl_init();
2063 #endif
2064         break;
2065     default:
2066         g_assert_not_reached();
2067         break;
2068     }
2069 
2070 #if defined(CONFIG_VTE)
2071     register_vc_handler(gd_vc_handler);
2072 #endif
2073 }
2074