xref: /openbmc/qemu/ui/gtk.c (revision ff8f06ee7680fb505079d33caaf8f5ebff0853bc)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  *
12  * Portions from gtk-vnc:
13  *
14  * GTK VNC Widget
15  *
16  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
18  *
19  * This library is free software; you can redistribute it and/or
20  * modify it under the terms of the GNU Lesser General Public
21  * License as published by the Free Software Foundation; either
22  * version 2.0 of the License, or (at your option) any later version.
23  *
24  * This library is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27  * Lesser General Public License for more details.
28  *
29  * You should have received a copy of the GNU Lesser General Public
30  * License along with this library; if not, write to the Free Software
31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
32  */
33 
34 #define GETTEXT_PACKAGE "qemu"
35 #define LOCALEDIR "po"
36 
37 #include "qemu-common.h"
38 
39 #include "ui/console.h"
40 #include "ui/gtk.h"
41 
42 #include <glib/gi18n.h>
43 #include <locale.h>
44 #if defined(CONFIG_VTE)
45 #include <vte/vte.h>
46 #endif
47 #include <math.h>
48 
49 #include "trace.h"
50 #include "ui/input.h"
51 #include "sysemu/sysemu.h"
52 #include "qmp-commands.h"
53 #include "x_keymap.h"
54 #include "keymaps.h"
55 #include "sysemu/char.h"
56 #include "qom/object.h"
57 
58 #define MAX_VCS 10
59 #define VC_WINDOW_X_MIN  320
60 #define VC_WINDOW_Y_MIN  240
61 #define VC_TERM_X_MIN     80
62 #define VC_TERM_Y_MIN     25
63 #define VC_SCALE_MIN    0.25
64 #define VC_SCALE_STEP   0.25
65 
66 #if !defined(CONFIG_VTE)
67 # define VTE_CHECK_VERSION(a, b, c) 0
68 #endif
69 
70 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
71 /*
72  * The gtk2 vte terminal widget seriously messes up the window resize
73  * for some reason.  You basically can't make the qemu window smaller
74  * any more because the toplevel window geoemtry hints are overridden.
75  *
76  * Workaround that by hiding all vte widgets, except the one in the
77  * current tab.
78  *
79  * Luckily everything works smooth in gtk3.
80  */
81 # define VTE_RESIZE_HACK 1
82 #endif
83 
84 #if !GTK_CHECK_VERSION(2, 20, 0)
85 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
86 #endif
87 
88 #ifndef GDK_IS_X11_DISPLAY
89 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
90 #endif
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
93 #endif
94 
95 #ifndef GDK_KEY_0
96 #define GDK_KEY_0 GDK_0
97 #define GDK_KEY_1 GDK_1
98 #define GDK_KEY_2 GDK_2
99 #define GDK_KEY_f GDK_f
100 #define GDK_KEY_g GDK_g
101 #define GDK_KEY_q GDK_q
102 #define GDK_KEY_plus GDK_plus
103 #define GDK_KEY_minus GDK_minus
104 #define GDK_KEY_Pause GDK_Pause
105 #endif
106 
107 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
108 
109 static const int modifier_keycode[] = {
110     /* shift, control, alt keys, meta keys, both left & right */
111     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
112 };
113 
114 struct GtkDisplayState {
115     GtkWidget *window;
116 
117     GtkWidget *menu_bar;
118 
119     GtkAccelGroup *accel_group;
120 
121     GtkWidget *machine_menu_item;
122     GtkWidget *machine_menu;
123     GtkWidget *pause_item;
124     GtkWidget *reset_item;
125     GtkWidget *powerdown_item;
126     GtkWidget *quit_item;
127 
128     GtkWidget *view_menu_item;
129     GtkWidget *view_menu;
130     GtkWidget *full_screen_item;
131     GtkWidget *zoom_in_item;
132     GtkWidget *zoom_out_item;
133     GtkWidget *zoom_fixed_item;
134     GtkWidget *zoom_fit_item;
135     GtkWidget *grab_item;
136     GtkWidget *grab_on_hover_item;
137 
138     int nb_vcs;
139     VirtualConsole vc[MAX_VCS];
140 
141     GtkWidget *show_tabs_item;
142     GtkWidget *untabify_item;
143 
144     GtkWidget *vbox;
145     GtkWidget *notebook;
146     int button_mask;
147     gboolean last_set;
148     int last_x;
149     int last_y;
150     int grab_x_root;
151     int grab_y_root;
152     VirtualConsole *kbd_owner;
153     VirtualConsole *ptr_owner;
154 
155     gboolean full_screen;
156 
157     GdkCursor *null_cursor;
158     Notifier mouse_mode_notifier;
159     gboolean free_scale;
160 
161     bool external_pause_update;
162 
163     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
164     bool has_evdev;
165     bool ignore_keys;
166 };
167 
168 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
169 static void gd_ungrab_pointer(GtkDisplayState *s);
170 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
171 static void gd_ungrab_keyboard(GtkDisplayState *s);
172 
173 /** Utility Functions **/
174 
175 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
176 {
177     VirtualConsole *vc;
178     gint i;
179 
180     for (i = 0; i < s->nb_vcs; i++) {
181         vc = &s->vc[i];
182         if (gtk_check_menu_item_get_active
183             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
184             return vc;
185         }
186     }
187     return NULL;
188 }
189 
190 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
191 {
192     VirtualConsole *vc;
193     gint i, p;
194 
195     for (i = 0; i < s->nb_vcs; i++) {
196         vc = &s->vc[i];
197         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
198         if (p == page) {
199             return vc;
200         }
201     }
202     return NULL;
203 }
204 
205 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
206 {
207     gint page;
208 
209     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
210     return gd_vc_find_by_page(s, page);
211 }
212 
213 static bool gd_is_grab_active(GtkDisplayState *s)
214 {
215     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
216 }
217 
218 static bool gd_grab_on_hover(GtkDisplayState *s)
219 {
220     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
221 }
222 
223 static void gd_update_cursor(VirtualConsole *vc)
224 {
225     GtkDisplayState *s = vc->s;
226     GdkWindow *window;
227 
228     if (vc->type != GD_VC_GFX ||
229         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
230         return;
231     }
232 
233     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
234         return;
235     }
236 
237     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
238     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
239         gdk_window_set_cursor(window, s->null_cursor);
240     } else {
241         gdk_window_set_cursor(window, NULL);
242     }
243 }
244 
245 static void gd_update_caption(GtkDisplayState *s)
246 {
247     const char *status = "";
248     gchar *prefix;
249     gchar *title;
250     const char *grab = "";
251     bool is_paused = !runstate_is_running();
252     int i;
253 
254     if (qemu_name) {
255         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
256     } else {
257         prefix = g_strdup_printf("QEMU");
258     }
259 
260     if (s->ptr_owner != NULL &&
261         s->ptr_owner->window == NULL) {
262         grab = _(" - Press Ctrl+Alt+G to release grab");
263     }
264 
265     if (is_paused) {
266         status = _(" [Paused]");
267     }
268     s->external_pause_update = true;
269     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
270                                    is_paused);
271     s->external_pause_update = false;
272 
273     title = g_strdup_printf("%s%s%s", prefix, status, grab);
274     gtk_window_set_title(GTK_WINDOW(s->window), title);
275     g_free(title);
276 
277     for (i = 0; i < s->nb_vcs; i++) {
278         VirtualConsole *vc = &s->vc[i];
279 
280         if (!vc->window) {
281             continue;
282         }
283         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
284                                 vc == s->kbd_owner ? " +kbd" : "",
285                                 vc == s->ptr_owner ? " +ptr" : "");
286         gtk_window_set_title(GTK_WINDOW(vc->window), title);
287         g_free(title);
288     }
289 
290     g_free(prefix);
291 }
292 
293 static void gd_update_geometry_hints(VirtualConsole *vc)
294 {
295     GtkDisplayState *s = vc->s;
296     GdkWindowHints mask = 0;
297     GdkGeometry geo = {};
298     GtkWidget *geo_widget = NULL;
299     GtkWindow *geo_window;
300 
301     if (vc->type == GD_VC_GFX) {
302         if (!vc->gfx.ds) {
303             return;
304         }
305         if (s->free_scale) {
306             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
307             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
308             mask |= GDK_HINT_MIN_SIZE;
309         } else {
310             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
311             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
312             mask |= GDK_HINT_MIN_SIZE;
313         }
314         geo_widget = vc->gfx.drawing_area;
315         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
316 
317 #if defined(CONFIG_VTE)
318     } else if (vc->type == GD_VC_VTE) {
319         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
320         GtkBorder *ib;
321 
322         geo.width_inc  = vte_terminal_get_char_width(term);
323         geo.height_inc = vte_terminal_get_char_height(term);
324         mask |= GDK_HINT_RESIZE_INC;
325         geo.base_width  = geo.width_inc;
326         geo.base_height = geo.height_inc;
327         mask |= GDK_HINT_BASE_SIZE;
328         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
329         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
330         mask |= GDK_HINT_MIN_SIZE;
331         gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
332         geo.base_width  += ib->left + ib->right;
333         geo.base_height += ib->top + ib->bottom;
334         geo.min_width   += ib->left + ib->right;
335         geo.min_height  += ib->top + ib->bottom;
336         geo_widget = vc->vte.terminal;
337 #endif
338     }
339 
340     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
341     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
342 }
343 
344 void gd_update_windowsize(VirtualConsole *vc)
345 {
346     GtkDisplayState *s = vc->s;
347 
348     gd_update_geometry_hints(vc);
349 
350     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
351         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
352                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
353     }
354 }
355 
356 static void gd_update_full_redraw(VirtualConsole *vc)
357 {
358     GtkWidget *area = vc->gfx.drawing_area;
359     int ww, wh;
360     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
361     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
362 }
363 
364 static void gtk_release_modifiers(GtkDisplayState *s)
365 {
366     VirtualConsole *vc = gd_vc_find_current(s);
367     int i, keycode;
368 
369     if (vc->type != GD_VC_GFX ||
370         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
371         return;
372     }
373     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
374         keycode = modifier_keycode[i];
375         if (!s->modifier_pressed[i]) {
376             continue;
377         }
378         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
379         s->modifier_pressed[i] = false;
380     }
381 }
382 
383 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
384                                GtkWidget *widget)
385 {
386     g_object_ref(G_OBJECT(widget));
387     gtk_container_remove(GTK_CONTAINER(from), widget);
388     gtk_container_add(GTK_CONTAINER(to), widget);
389     g_object_unref(G_OBJECT(widget));
390 }
391 
392 /** DisplayState Callbacks **/
393 
394 static void gd_update(DisplayChangeListener *dcl,
395                       int x, int y, int w, int h)
396 {
397     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
398     GdkWindow *win;
399     int x1, x2, y1, y2;
400     int mx, my;
401     int fbw, fbh;
402     int ww, wh;
403 
404     trace_gd_update(vc->label, x, y, w, h);
405 
406     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
407         return;
408     }
409 
410     if (vc->gfx.convert) {
411         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
412                                NULL, vc->gfx.convert,
413                                x, y, 0, 0, x, y, w, h);
414     }
415 
416     x1 = floor(x * vc->gfx.scale_x);
417     y1 = floor(y * vc->gfx.scale_y);
418 
419     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
420     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
421 
422     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
423     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
424 
425     win = gtk_widget_get_window(vc->gfx.drawing_area);
426     if (!win) {
427         return;
428     }
429     gdk_drawable_get_size(win, &ww, &wh);
430 
431     mx = my = 0;
432     if (ww > fbw) {
433         mx = (ww - fbw) / 2;
434     }
435     if (wh > fbh) {
436         my = (wh - fbh) / 2;
437     }
438 
439     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
440                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
441 }
442 
443 static void gd_refresh(DisplayChangeListener *dcl)
444 {
445     graphic_hw_update(dcl->con);
446 }
447 
448 #if GTK_CHECK_VERSION(3, 0, 0)
449 static void gd_mouse_set(DisplayChangeListener *dcl,
450                          int x, int y, int visible)
451 {
452     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
453     GdkDisplay *dpy;
454     GdkDeviceManager *mgr;
455     gint x_root, y_root;
456 
457     if (qemu_input_is_absolute()) {
458         return;
459     }
460 
461     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
462     mgr = gdk_display_get_device_manager(dpy);
463     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
464                                x, y, &x_root, &y_root);
465     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
466                     gtk_widget_get_screen(vc->gfx.drawing_area),
467                     x_root, y_root);
468     vc->s->last_x = x;
469     vc->s->last_y = y;
470 }
471 #else
472 static void gd_mouse_set(DisplayChangeListener *dcl,
473                          int x, int y, int visible)
474 {
475     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
476     gint x_root, y_root;
477 
478     if (qemu_input_is_absolute()) {
479         return;
480     }
481 
482     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
483                                x, y, &x_root, &y_root);
484     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
485                              gtk_widget_get_screen(vc->gfx.drawing_area),
486                              x_root, y_root);
487 }
488 #endif
489 
490 static void gd_cursor_define(DisplayChangeListener *dcl,
491                              QEMUCursor *c)
492 {
493     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
494     GdkPixbuf *pixbuf;
495     GdkCursor *cursor;
496 
497     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
498         return;
499     }
500 
501     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
502                                       GDK_COLORSPACE_RGB, true, 8,
503                                       c->width, c->height, c->width * 4,
504                                       NULL, NULL);
505     cursor = gdk_cursor_new_from_pixbuf
506         (gtk_widget_get_display(vc->gfx.drawing_area),
507          pixbuf, c->hot_x, c->hot_y);
508     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
509     g_object_unref(pixbuf);
510 #if !GTK_CHECK_VERSION(3, 0, 0)
511     gdk_cursor_unref(cursor);
512 #else
513     g_object_unref(cursor);
514 #endif
515 }
516 
517 static void gd_switch(DisplayChangeListener *dcl,
518                       DisplaySurface *surface)
519 {
520     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
521     bool resized = true;
522 
523     trace_gd_switch(vc->label,
524                     surface ? surface_width(surface)  : 0,
525                     surface ? surface_height(surface) : 0);
526 
527     if (vc->gfx.surface) {
528         cairo_surface_destroy(vc->gfx.surface);
529         vc->gfx.surface = NULL;
530     }
531     if (vc->gfx.convert) {
532         pixman_image_unref(vc->gfx.convert);
533         vc->gfx.convert = NULL;
534     }
535 
536     if (vc->gfx.ds && surface &&
537         surface_width(vc->gfx.ds) == surface_width(surface) &&
538         surface_height(vc->gfx.ds) == surface_height(surface)) {
539         resized = false;
540     }
541     vc->gfx.ds = surface;
542 
543     if (!surface) {
544         return;
545     }
546 
547     if (surface->format == PIXMAN_x8r8g8b8) {
548         /*
549          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
550          *
551          * No need to convert, use surface directly.  Should be the
552          * common case as this is qemu_default_pixelformat(32) too.
553          */
554         vc->gfx.surface = cairo_image_surface_create_for_data
555             (surface_data(surface),
556              CAIRO_FORMAT_RGB24,
557              surface_width(surface),
558              surface_height(surface),
559              surface_stride(surface));
560     } else {
561         /* Must convert surface, use pixman to do it. */
562         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
563                                                    surface_width(surface),
564                                                    surface_height(surface),
565                                                    NULL, 0);
566         vc->gfx.surface = cairo_image_surface_create_for_data
567             ((void *)pixman_image_get_data(vc->gfx.convert),
568              CAIRO_FORMAT_RGB24,
569              pixman_image_get_width(vc->gfx.convert),
570              pixman_image_get_height(vc->gfx.convert),
571              pixman_image_get_stride(vc->gfx.convert));
572         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
573                                NULL, vc->gfx.convert,
574                                0, 0, 0, 0, 0, 0,
575                                pixman_image_get_width(vc->gfx.convert),
576                                pixman_image_get_height(vc->gfx.convert));
577     }
578 
579     if (resized) {
580         gd_update_windowsize(vc);
581     } else {
582         gd_update_full_redraw(vc);
583     }
584 }
585 
586 static const DisplayChangeListenerOps dcl_ops = {
587     .dpy_name             = "gtk",
588     .dpy_gfx_update       = gd_update,
589     .dpy_gfx_switch       = gd_switch,
590     .dpy_gfx_check_format = qemu_pixman_check_format,
591     .dpy_refresh          = gd_refresh,
592     .dpy_mouse_set        = gd_mouse_set,
593     .dpy_cursor_define    = gd_cursor_define,
594 };
595 
596 
597 #if defined(CONFIG_OPENGL)
598 
599 /** DisplayState Callbacks (opengl version) **/
600 
601 static const DisplayChangeListenerOps dcl_egl_ops = {
602     .dpy_name             = "gtk-egl",
603     .dpy_gfx_update       = gd_egl_update,
604     .dpy_gfx_switch       = gd_egl_switch,
605     .dpy_gfx_check_format = console_gl_check_format,
606     .dpy_refresh          = gd_egl_refresh,
607     .dpy_mouse_set        = gd_mouse_set,
608     .dpy_cursor_define    = gd_cursor_define,
609 };
610 
611 #endif
612 
613 /** QEMU Events **/
614 
615 static void gd_change_runstate(void *opaque, int running, RunState state)
616 {
617     GtkDisplayState *s = opaque;
618 
619     gd_update_caption(s);
620 }
621 
622 static void gd_mouse_mode_change(Notifier *notify, void *data)
623 {
624     GtkDisplayState *s;
625     int i;
626 
627     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
628     /* release the grab at switching to absolute mode */
629     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
630         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
631                                        FALSE);
632     }
633     for (i = 0; i < s->nb_vcs; i++) {
634         VirtualConsole *vc = &s->vc[i];
635         gd_update_cursor(vc);
636     }
637 }
638 
639 /** GTK Events **/
640 
641 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
642                                 void *opaque)
643 {
644     GtkDisplayState *s = opaque;
645     int i;
646 
647     if (!no_quit) {
648         for (i = 0; i < s->nb_vcs; i++) {
649             if (s->vc[i].type != GD_VC_GFX) {
650                 continue;
651             }
652             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
653         }
654         qmp_quit(NULL);
655         return FALSE;
656     }
657 
658     return TRUE;
659 }
660 
661 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
662 {
663     VirtualConsole *vc = opaque;
664     GtkDisplayState *s = vc->s;
665     int mx, my;
666     int ww, wh;
667     int fbw, fbh;
668 
669 #if defined(CONFIG_OPENGL)
670     if (vc->gfx.gls) {
671         gd_egl_draw(vc);
672         return TRUE;
673     }
674 #endif
675 
676     if (!gtk_widget_get_realized(widget)) {
677         return FALSE;
678     }
679     if (!vc->gfx.ds) {
680         return FALSE;
681     }
682 
683     fbw = surface_width(vc->gfx.ds);
684     fbh = surface_height(vc->gfx.ds);
685 
686     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
687 
688     if (s->full_screen) {
689         vc->gfx.scale_x = (double)ww / fbw;
690         vc->gfx.scale_y = (double)wh / fbh;
691     } else if (s->free_scale) {
692         double sx, sy;
693 
694         sx = (double)ww / fbw;
695         sy = (double)wh / fbh;
696 
697         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
698     }
699 
700     fbw *= vc->gfx.scale_x;
701     fbh *= vc->gfx.scale_y;
702 
703     mx = my = 0;
704     if (ww > fbw) {
705         mx = (ww - fbw) / 2;
706     }
707     if (wh > fbh) {
708         my = (wh - fbh) / 2;
709     }
710 
711     cairo_rectangle(cr, 0, 0, ww, wh);
712 
713     /* Optionally cut out the inner area where the pixmap
714        will be drawn. This avoids 'flashing' since we're
715        not double-buffering. Note we're using the undocumented
716        behaviour of drawing the rectangle from right to left
717        to cut out the whole */
718     cairo_rectangle(cr, mx + fbw, my,
719                     -1 * fbw, fbh);
720     cairo_fill(cr);
721 
722     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
723     cairo_set_source_surface(cr, vc->gfx.surface,
724                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
725     cairo_paint(cr);
726 
727     return TRUE;
728 }
729 
730 #if !GTK_CHECK_VERSION(3, 0, 0)
731 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
732                                 void *opaque)
733 {
734     cairo_t *cr;
735     gboolean ret;
736 
737     cr = gdk_cairo_create(gtk_widget_get_window(widget));
738     cairo_rectangle(cr,
739                     expose->area.x,
740                     expose->area.y,
741                     expose->area.width,
742                     expose->area.height);
743     cairo_clip(cr);
744 
745     ret = gd_draw_event(widget, cr, opaque);
746 
747     cairo_destroy(cr);
748 
749     return ret;
750 }
751 #endif
752 
753 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
754                                 void *opaque)
755 {
756     VirtualConsole *vc = opaque;
757     GtkDisplayState *s = vc->s;
758     int x, y;
759     int mx, my;
760     int fbh, fbw;
761     int ww, wh;
762 
763     if (!vc->gfx.ds) {
764         return TRUE;
765     }
766 
767     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
768     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
769 
770     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
771                           &ww, &wh);
772 
773     mx = my = 0;
774     if (ww > fbw) {
775         mx = (ww - fbw) / 2;
776     }
777     if (wh > fbh) {
778         my = (wh - fbh) / 2;
779     }
780 
781     x = (motion->x - mx) / vc->gfx.scale_x;
782     y = (motion->y - my) / vc->gfx.scale_y;
783 
784     if (qemu_input_is_absolute()) {
785         if (x < 0 || y < 0 ||
786             x >= surface_width(vc->gfx.ds) ||
787             y >= surface_height(vc->gfx.ds)) {
788             return TRUE;
789         }
790         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
791                              surface_width(vc->gfx.ds));
792         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
793                              surface_height(vc->gfx.ds));
794         qemu_input_event_sync();
795     } else if (s->last_set && s->ptr_owner == vc) {
796         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
797         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
798         qemu_input_event_sync();
799     }
800     s->last_x = x;
801     s->last_y = y;
802     s->last_set = TRUE;
803 
804     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
805         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
806         int x = (int)motion->x_root;
807         int y = (int)motion->y_root;
808 
809         /* In relative mode check to see if client pointer hit
810          * one of the screen edges, and if so move it back by
811          * 200 pixels. This is important because the pointer
812          * in the server doesn't correspond 1-for-1, and so
813          * may still be only half way across the screen. Without
814          * this warp, the server pointer would thus appear to hit
815          * an invisible wall */
816         if (x == 0) {
817             x += 200;
818         }
819         if (y == 0) {
820             y += 200;
821         }
822         if (x == (gdk_screen_get_width(screen) - 1)) {
823             x -= 200;
824         }
825         if (y == (gdk_screen_get_height(screen) - 1)) {
826             y -= 200;
827         }
828 
829         if (x != (int)motion->x_root || y != (int)motion->y_root) {
830 #if GTK_CHECK_VERSION(3, 0, 0)
831             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
832             gdk_device_warp(dev, screen, x, y);
833 #else
834             GdkDisplay *display = gtk_widget_get_display(widget);
835             gdk_display_warp_pointer(display, screen, x, y);
836 #endif
837             s->last_set = FALSE;
838             return FALSE;
839         }
840     }
841     return TRUE;
842 }
843 
844 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
845                                 void *opaque)
846 {
847     VirtualConsole *vc = opaque;
848     GtkDisplayState *s = vc->s;
849     InputButton btn;
850 
851     /* implicitly grab the input at the first click in the relative mode */
852     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
853         !qemu_input_is_absolute() && s->ptr_owner != vc) {
854         if (!vc->window) {
855             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
856                                            TRUE);
857         } else {
858             gd_grab_pointer(vc, "relative-mode-click");
859         }
860         return TRUE;
861     }
862 
863     if (button->button == 1) {
864         btn = INPUT_BUTTON_LEFT;
865     } else if (button->button == 2) {
866         btn = INPUT_BUTTON_MIDDLE;
867     } else if (button->button == 3) {
868         btn = INPUT_BUTTON_RIGHT;
869     } else {
870         return TRUE;
871     }
872 
873     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
874                          button->type == GDK_BUTTON_PRESS);
875     qemu_input_event_sync();
876     return TRUE;
877 }
878 
879 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
880                                 void *opaque)
881 {
882     VirtualConsole *vc = opaque;
883     InputButton btn;
884 
885     if (scroll->direction == GDK_SCROLL_UP) {
886         btn = INPUT_BUTTON_WHEEL_UP;
887     } else if (scroll->direction == GDK_SCROLL_DOWN) {
888         btn = INPUT_BUTTON_WHEEL_DOWN;
889     } else {
890         return TRUE;
891     }
892 
893     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
894     qemu_input_event_sync();
895     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
896     qemu_input_event_sync();
897     return TRUE;
898 }
899 
900 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
901 {
902     int qemu_keycode;
903 
904 #ifdef GDK_WINDOWING_WIN32
905     if (GDK_IS_WIN32_DISPLAY(dpy)) {
906         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
907         switch (qemu_keycode) {
908         case 103:   /* alt gr */
909             qemu_keycode = 56 | SCANCODE_GREY;
910             break;
911         }
912         return qemu_keycode;
913     }
914 #endif
915 
916     if (gdk_keycode < 9) {
917         qemu_keycode = 0;
918     } else if (gdk_keycode < 97) {
919         qemu_keycode = gdk_keycode - 8;
920 #ifdef GDK_WINDOWING_X11
921     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
922         if (s->has_evdev) {
923             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
924         } else {
925             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
926         }
927 #endif
928     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
929         qemu_keycode = 0x70;
930     } else if (gdk_keycode == 211) { /* backslash */
931         qemu_keycode = 0x73;
932     } else {
933         qemu_keycode = 0;
934     }
935 
936     return qemu_keycode;
937 }
938 
939 static gboolean gd_text_key_down(GtkWidget *widget,
940                                  GdkEventKey *key, void *opaque)
941 {
942     VirtualConsole *vc = opaque;
943     QemuConsole *con = vc->gfx.dcl.con;
944 
945     if (key->length) {
946         kbd_put_string_console(con, key->string, key->length);
947     } else {
948         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
949                                  key->hardware_keycode);
950         int qcode = qemu_input_key_number_to_qcode(num);
951         kbd_put_qcode_console(con, qcode);
952     }
953     return TRUE;
954 }
955 
956 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
957 {
958     VirtualConsole *vc = opaque;
959     GtkDisplayState *s = vc->s;
960     int gdk_keycode = key->hardware_keycode;
961     int qemu_keycode;
962     int i;
963 
964     if (s->ignore_keys) {
965         s->ignore_keys = (key->type == GDK_KEY_PRESS);
966         return TRUE;
967     }
968 
969     if (key->keyval == GDK_KEY_Pause) {
970         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
971                                         key->type == GDK_KEY_PRESS);
972         return TRUE;
973     }
974 
975     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
976                                   gdk_keycode);
977 
978     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
979                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
980 
981     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
982         if (qemu_keycode == modifier_keycode[i]) {
983             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
984         }
985     }
986 
987     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
988                                      key->type == GDK_KEY_PRESS);
989 
990     return TRUE;
991 }
992 
993 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
994 {
995     if (event->type == GDK_MOTION_NOTIFY) {
996         return gd_motion_event(widget, &event->motion, opaque);
997     }
998     return FALSE;
999 }
1000 
1001 /** Window Menu Actions **/
1002 
1003 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1004 {
1005     GtkDisplayState *s = opaque;
1006 
1007     if (s->external_pause_update) {
1008         return;
1009     }
1010     if (runstate_is_running()) {
1011         qmp_stop(NULL);
1012     } else {
1013         qmp_cont(NULL);
1014     }
1015 }
1016 
1017 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1018 {
1019     qmp_system_reset(NULL);
1020 }
1021 
1022 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1023 {
1024     qmp_system_powerdown(NULL);
1025 }
1026 
1027 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1028 {
1029     qmp_quit(NULL);
1030 }
1031 
1032 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1033 {
1034     GtkDisplayState *s = opaque;
1035     VirtualConsole *vc = gd_vc_find_by_menu(s);
1036     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1037     gint page;
1038 
1039     gtk_release_modifiers(s);
1040     if (vc) {
1041         page = gtk_notebook_page_num(nb, vc->tab_item);
1042         gtk_notebook_set_current_page(nb, page);
1043         gtk_widget_grab_focus(vc->focus);
1044     }
1045     s->ignore_keys = false;
1046 }
1047 
1048 static void gd_accel_switch_vc(void *opaque)
1049 {
1050     VirtualConsole *vc = opaque;
1051 
1052     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1053 #if !GTK_CHECK_VERSION(3, 0, 0)
1054     /* GTK2 sends the accel key to the target console - ignore this until */
1055     vc->s->ignore_keys = true;
1056 #endif
1057 }
1058 
1059 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1060 {
1061     GtkDisplayState *s = opaque;
1062     VirtualConsole *vc = gd_vc_find_current(s);
1063 
1064     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1065         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1066     } else {
1067         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1068     }
1069     gd_update_windowsize(vc);
1070 }
1071 
1072 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1073                                     void *opaque)
1074 {
1075     VirtualConsole *vc = opaque;
1076     GtkDisplayState *s = vc->s;
1077 
1078     gtk_widget_set_sensitive(vc->menu_item, true);
1079     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1080     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1081                                     vc->tab_item, vc->label);
1082     gtk_widget_destroy(vc->window);
1083     vc->window = NULL;
1084     return TRUE;
1085 }
1086 
1087 static gboolean gd_win_grab(void *opaque)
1088 {
1089     VirtualConsole *vc = opaque;
1090 
1091     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1092     if (vc->s->ptr_owner) {
1093         gd_ungrab_pointer(vc->s);
1094     } else {
1095         gd_grab_pointer(vc, "user-request-detached-tab");
1096     }
1097     return TRUE;
1098 }
1099 
1100 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1101 {
1102     GtkDisplayState *s = opaque;
1103     VirtualConsole *vc = gd_vc_find_current(s);
1104 
1105     if (vc->type == GD_VC_GFX &&
1106         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1107         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1108                                        FALSE);
1109     }
1110     if (!vc->window) {
1111         gtk_widget_set_sensitive(vc->menu_item, false);
1112         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1113         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1114 
1115         g_signal_connect(vc->window, "delete-event",
1116                          G_CALLBACK(gd_tab_window_close), vc);
1117         gtk_widget_show_all(vc->window);
1118 
1119         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1120             GtkAccelGroup *ag = gtk_accel_group_new();
1121             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1122 
1123             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1124                                                vc, NULL);
1125             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1126         }
1127 
1128         gd_update_geometry_hints(vc);
1129         gd_update_caption(s);
1130     }
1131 }
1132 
1133 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1134 {
1135     GtkDisplayState *s = opaque;
1136     VirtualConsole *vc = gd_vc_find_current(s);
1137 
1138     if (!s->full_screen) {
1139         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1140         gtk_widget_hide(s->menu_bar);
1141         if (vc->type == GD_VC_GFX) {
1142             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1143         }
1144         gtk_window_fullscreen(GTK_WINDOW(s->window));
1145         s->full_screen = TRUE;
1146     } else {
1147         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1148         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1149         gtk_widget_show(s->menu_bar);
1150         s->full_screen = FALSE;
1151         if (vc->type == GD_VC_GFX) {
1152             vc->gfx.scale_x = 1.0;
1153             vc->gfx.scale_y = 1.0;
1154             gd_update_windowsize(vc);
1155         }
1156     }
1157 
1158     gd_update_cursor(vc);
1159 }
1160 
1161 static void gd_accel_full_screen(void *opaque)
1162 {
1163     GtkDisplayState *s = opaque;
1164     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1165 }
1166 
1167 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1168 {
1169     GtkDisplayState *s = opaque;
1170     VirtualConsole *vc = gd_vc_find_current(s);
1171 
1172     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1173                                    FALSE);
1174 
1175     vc->gfx.scale_x += VC_SCALE_STEP;
1176     vc->gfx.scale_y += VC_SCALE_STEP;
1177 
1178     gd_update_windowsize(vc);
1179 }
1180 
1181 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1182 {
1183     GtkDisplayState *s = opaque;
1184     VirtualConsole *vc = gd_vc_find_current(s);
1185 
1186     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1187                                    FALSE);
1188 
1189     vc->gfx.scale_x -= VC_SCALE_STEP;
1190     vc->gfx.scale_y -= VC_SCALE_STEP;
1191 
1192     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1193     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1194 
1195     gd_update_windowsize(vc);
1196 }
1197 
1198 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1199 {
1200     GtkDisplayState *s = opaque;
1201     VirtualConsole *vc = gd_vc_find_current(s);
1202 
1203     vc->gfx.scale_x = 1.0;
1204     vc->gfx.scale_y = 1.0;
1205 
1206     gd_update_windowsize(vc);
1207 }
1208 
1209 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1210 {
1211     GtkDisplayState *s = opaque;
1212     VirtualConsole *vc = gd_vc_find_current(s);
1213 
1214     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1215         s->free_scale = TRUE;
1216     } else {
1217         s->free_scale = FALSE;
1218         vc->gfx.scale_x = 1.0;
1219         vc->gfx.scale_y = 1.0;
1220     }
1221 
1222     gd_update_windowsize(vc);
1223     gd_update_full_redraw(vc);
1224 }
1225 
1226 #if GTK_CHECK_VERSION(3, 0, 0)
1227 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1228                             GdkInputSource source, GdkEventMask mask,
1229                             GdkCursor *cursor)
1230 {
1231     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1232     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1233     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1234     GList *tmp = devs;
1235 
1236     for (tmp = devs; tmp; tmp = tmp->next) {
1237         GdkDevice *dev = tmp->data;
1238         if (gdk_device_get_source(dev) != source) {
1239             continue;
1240         }
1241         if (grab) {
1242             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1243             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1244                             mask, cursor, GDK_CURRENT_TIME);
1245         } else {
1246             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1247         }
1248     }
1249     g_list_free(devs);
1250 }
1251 #endif
1252 
1253 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1254 {
1255     if (vc->s->kbd_owner) {
1256         if (vc->s->kbd_owner == vc) {
1257             return;
1258         } else {
1259             gd_ungrab_keyboard(vc->s);
1260         }
1261     }
1262 
1263 #if GTK_CHECK_VERSION(3, 0, 0)
1264     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1265                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1266                    NULL);
1267 #else
1268     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1269                       FALSE,
1270                       GDK_CURRENT_TIME);
1271 #endif
1272     vc->s->kbd_owner = vc;
1273     gd_update_caption(vc->s);
1274     trace_gd_grab(vc->label, "kbd", reason);
1275 }
1276 
1277 static void gd_ungrab_keyboard(GtkDisplayState *s)
1278 {
1279     VirtualConsole *vc = s->kbd_owner;
1280 
1281     if (vc == NULL) {
1282         return;
1283     }
1284     s->kbd_owner = NULL;
1285 
1286 #if GTK_CHECK_VERSION(3, 0, 0)
1287     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1288 #else
1289     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1290 #endif
1291     gd_update_caption(s);
1292     trace_gd_ungrab(vc->label, "kbd");
1293 }
1294 
1295 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1296 {
1297     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1298 
1299     if (vc->s->ptr_owner) {
1300         if (vc->s->ptr_owner == vc) {
1301             return;
1302         } else {
1303             gd_ungrab_pointer(vc->s);
1304         }
1305     }
1306 
1307 #if GTK_CHECK_VERSION(3, 0, 0)
1308     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1309     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1310                     GDK_POINTER_MOTION_MASK |
1311                     GDK_BUTTON_PRESS_MASK |
1312                     GDK_BUTTON_RELEASE_MASK |
1313                     GDK_BUTTON_MOTION_MASK |
1314                     GDK_SCROLL_MASK,
1315                     vc->s->null_cursor);
1316     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1317                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1318 #else
1319     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1320                      FALSE, /* All events to come to our window directly */
1321                      GDK_POINTER_MOTION_MASK |
1322                      GDK_BUTTON_PRESS_MASK |
1323                      GDK_BUTTON_RELEASE_MASK |
1324                      GDK_BUTTON_MOTION_MASK |
1325                      GDK_SCROLL_MASK,
1326                      NULL, /* Allow cursor to move over entire desktop */
1327                      vc->s->null_cursor,
1328                      GDK_CURRENT_TIME);
1329     gdk_display_get_pointer(display, NULL,
1330                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1331 #endif
1332     vc->s->ptr_owner = vc;
1333     gd_update_caption(vc->s);
1334     trace_gd_grab(vc->label, "ptr", reason);
1335 }
1336 
1337 static void gd_ungrab_pointer(GtkDisplayState *s)
1338 {
1339     VirtualConsole *vc = s->ptr_owner;
1340 
1341     if (vc == NULL) {
1342         return;
1343     }
1344     s->ptr_owner = NULL;
1345 
1346     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1347 #if GTK_CHECK_VERSION(3, 0, 0)
1348     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1349     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1350     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1351                     gtk_widget_get_screen(vc->gfx.drawing_area),
1352                     vc->s->grab_x_root, vc->s->grab_y_root);
1353 #else
1354     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1355     gdk_display_warp_pointer(display,
1356                              gtk_widget_get_screen(vc->gfx.drawing_area),
1357                              vc->s->grab_x_root, vc->s->grab_y_root);
1358 #endif
1359     gd_update_caption(s);
1360     trace_gd_ungrab(vc->label, "ptr");
1361 }
1362 
1363 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1364 {
1365     GtkDisplayState *s = opaque;
1366     VirtualConsole *vc = gd_vc_find_current(s);
1367 
1368     if (gd_is_grab_active(s)) {
1369         gd_grab_keyboard(vc, "user-request-main-window");
1370         gd_grab_pointer(vc, "user-request-main-window");
1371     } else {
1372         gd_ungrab_keyboard(s);
1373         gd_ungrab_pointer(s);
1374     }
1375 
1376     gd_update_cursor(vc);
1377 }
1378 
1379 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1380                            gpointer data)
1381 {
1382     GtkDisplayState *s = data;
1383     VirtualConsole *vc;
1384     gboolean on_vga;
1385 
1386     if (!gtk_widget_get_realized(s->notebook)) {
1387         return;
1388     }
1389 
1390 #ifdef VTE_RESIZE_HACK
1391     vc = gd_vc_find_current(s);
1392     if (vc && vc->type == GD_VC_VTE) {
1393         gtk_widget_hide(vc->vte.terminal);
1394     }
1395 #endif
1396     vc = gd_vc_find_by_page(s, arg2);
1397     if (!vc) {
1398         return;
1399     }
1400 #ifdef VTE_RESIZE_HACK
1401     if (vc->type == GD_VC_VTE) {
1402         gtk_widget_show(vc->vte.terminal);
1403     }
1404 #endif
1405     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1406                                    TRUE);
1407     on_vga = (vc->type == GD_VC_GFX &&
1408               qemu_console_is_graphic(vc->gfx.dcl.con));
1409     if (!on_vga) {
1410         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1411                                        FALSE);
1412     } else if (s->full_screen) {
1413         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1414                                        TRUE);
1415     }
1416     gtk_widget_set_sensitive(s->grab_item, on_vga);
1417 
1418     gd_update_windowsize(vc);
1419     gd_update_cursor(vc);
1420 }
1421 
1422 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1423                                gpointer opaque)
1424 {
1425     VirtualConsole *vc = opaque;
1426     GtkDisplayState *s = vc->s;
1427 
1428     if (gd_grab_on_hover(s)) {
1429         gd_grab_keyboard(vc, "grab-on-hover");
1430     }
1431     return TRUE;
1432 }
1433 
1434 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1435                                gpointer opaque)
1436 {
1437     VirtualConsole *vc = opaque;
1438     GtkDisplayState *s = vc->s;
1439 
1440     if (gd_grab_on_hover(s)) {
1441         gd_ungrab_keyboard(s);
1442     }
1443     return TRUE;
1444 }
1445 
1446 static gboolean gd_focus_out_event(GtkWidget *widget,
1447                                    GdkEventCrossing *crossing, gpointer opaque)
1448 {
1449     VirtualConsole *vc = opaque;
1450     GtkDisplayState *s = vc->s;
1451 
1452     gtk_release_modifiers(s);
1453     return TRUE;
1454 }
1455 
1456 static gboolean gd_configure(GtkWidget *widget,
1457                              GdkEventConfigure *cfg, gpointer opaque)
1458 {
1459     VirtualConsole *vc = opaque;
1460     QemuUIInfo info;
1461 
1462     memset(&info, 0, sizeof(info));
1463     info.width = cfg->width;
1464     info.height = cfg->height;
1465     dpy_set_ui_info(vc->gfx.dcl.con, &info);
1466     return FALSE;
1467 }
1468 
1469 /** Virtual Console Callbacks **/
1470 
1471 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1472                                int idx, GSList *group, GtkWidget *view_menu)
1473 {
1474     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1475     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1476             HOTKEY_MODIFIERS, 0,
1477             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1478 #if GTK_CHECK_VERSION(3, 8, 0)
1479     gtk_accel_label_set_accel(
1480             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1481             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1482 #endif
1483 
1484     g_signal_connect(vc->menu_item, "activate",
1485                      G_CALLBACK(gd_menu_switch_vc), s);
1486     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1487 
1488     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1489     return group;
1490 }
1491 
1492 #if defined(CONFIG_VTE)
1493 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1494 {
1495     VirtualConsole *vc = opaque;
1496 
1497     if (gtk_adjustment_get_upper(adjustment) >
1498         gtk_adjustment_get_page_size(adjustment)) {
1499         gtk_widget_show(vc->vte.scrollbar);
1500     } else {
1501         gtk_widget_hide(vc->vte.scrollbar);
1502     }
1503 }
1504 
1505 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1506 {
1507     VirtualConsole *vc = chr->opaque;
1508 
1509     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1510     return len;
1511 }
1512 
1513 static int nb_vcs;
1514 static CharDriverState *vcs[MAX_VCS];
1515 
1516 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1517 {
1518     CharDriverState *chr;
1519 
1520     chr = g_malloc0(sizeof(*chr));
1521     chr->chr_write = gd_vc_chr_write;
1522     /* defer OPENED events until our vc is fully initialized */
1523     chr->explicit_be_open = true;
1524 
1525     vcs[nb_vcs++] = chr;
1526 
1527     return chr;
1528 }
1529 
1530 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1531                          gpointer user_data)
1532 {
1533     VirtualConsole *vc = user_data;
1534 
1535     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1536     return TRUE;
1537 }
1538 
1539 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1540                               CharDriverState *chr, int idx,
1541                               GSList *group, GtkWidget *view_menu)
1542 {
1543     char buffer[32];
1544     GtkWidget *box;
1545     GtkWidget *scrollbar;
1546     GtkAdjustment *vadjustment;
1547 
1548     vc->s = s;
1549     vc->vte.chr = chr;
1550 
1551     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1552     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1553                                 ? vc->vte.chr->label : buffer);
1554     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1555 
1556     vc->vte.terminal = vte_terminal_new();
1557     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1558 
1559     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1560     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1561                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1562 
1563 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1564     vadjustment = gtk_scrollable_get_vadjustment
1565         (GTK_SCROLLABLE(vc->vte.terminal));
1566 #else
1567     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1568 #endif
1569 
1570 #if GTK_CHECK_VERSION(3, 0, 0)
1571     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1572     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1573 #else
1574     box = gtk_hbox_new(false, 2);
1575     scrollbar = gtk_vscrollbar_new(vadjustment);
1576 #endif
1577 
1578     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1579     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1580 
1581     vc->vte.chr->opaque = vc;
1582     vc->vte.box = box;
1583     vc->vte.scrollbar = scrollbar;
1584 
1585     g_signal_connect(vadjustment, "changed",
1586                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1587 
1588     vc->type = GD_VC_VTE;
1589     vc->tab_item = box;
1590     vc->focus = vc->vte.terminal;
1591     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1592                              gtk_label_new(vc->label));
1593 
1594     qemu_chr_be_generic_open(vc->vte.chr);
1595     if (vc->vte.chr->init) {
1596         vc->vte.chr->init(vc->vte.chr);
1597     }
1598 
1599     return group;
1600 }
1601 
1602 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1603                         GtkWidget *view_menu)
1604 {
1605     int i;
1606 
1607     for (i = 0; i < nb_vcs; i++) {
1608         VirtualConsole *vc = &s->vc[s->nb_vcs];
1609         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1610         s->nb_vcs++;
1611     }
1612 }
1613 #endif /* CONFIG_VTE */
1614 
1615 /** Window Creation **/
1616 
1617 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1618 {
1619 #if GTK_CHECK_VERSION(3, 0, 0)
1620     g_signal_connect(vc->gfx.drawing_area, "draw",
1621                      G_CALLBACK(gd_draw_event), vc);
1622 #else
1623     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1624                      G_CALLBACK(gd_expose_event), vc);
1625 #endif
1626     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1627         g_signal_connect(vc->gfx.drawing_area, "event",
1628                          G_CALLBACK(gd_event), vc);
1629         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1630                          G_CALLBACK(gd_button_event), vc);
1631         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1632                          G_CALLBACK(gd_button_event), vc);
1633         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1634                          G_CALLBACK(gd_scroll_event), vc);
1635         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1636                          G_CALLBACK(gd_key_event), vc);
1637         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1638                          G_CALLBACK(gd_key_event), vc);
1639 
1640         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1641                          G_CALLBACK(gd_enter_event), vc);
1642         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1643                          G_CALLBACK(gd_leave_event), vc);
1644         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1645                          G_CALLBACK(gd_focus_out_event), vc);
1646         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1647                          G_CALLBACK(gd_configure), vc);
1648     } else {
1649         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1650                          G_CALLBACK(gd_text_key_down), vc);
1651     }
1652 }
1653 
1654 static void gd_connect_signals(GtkDisplayState *s)
1655 {
1656     g_signal_connect(s->show_tabs_item, "activate",
1657                      G_CALLBACK(gd_menu_show_tabs), s);
1658     g_signal_connect(s->untabify_item, "activate",
1659                      G_CALLBACK(gd_menu_untabify), s);
1660 
1661     g_signal_connect(s->window, "delete-event",
1662                      G_CALLBACK(gd_window_close), s);
1663 
1664     g_signal_connect(s->pause_item, "activate",
1665                      G_CALLBACK(gd_menu_pause), s);
1666     g_signal_connect(s->reset_item, "activate",
1667                      G_CALLBACK(gd_menu_reset), s);
1668     g_signal_connect(s->powerdown_item, "activate",
1669                      G_CALLBACK(gd_menu_powerdown), s);
1670     g_signal_connect(s->quit_item, "activate",
1671                      G_CALLBACK(gd_menu_quit), s);
1672     g_signal_connect(s->full_screen_item, "activate",
1673                      G_CALLBACK(gd_menu_full_screen), s);
1674     g_signal_connect(s->zoom_in_item, "activate",
1675                      G_CALLBACK(gd_menu_zoom_in), s);
1676     g_signal_connect(s->zoom_out_item, "activate",
1677                      G_CALLBACK(gd_menu_zoom_out), s);
1678     g_signal_connect(s->zoom_fixed_item, "activate",
1679                      G_CALLBACK(gd_menu_zoom_fixed), s);
1680     g_signal_connect(s->zoom_fit_item, "activate",
1681                      G_CALLBACK(gd_menu_zoom_fit), s);
1682     g_signal_connect(s->grab_item, "activate",
1683                      G_CALLBACK(gd_menu_grab_input), s);
1684     g_signal_connect(s->notebook, "switch-page",
1685                      G_CALLBACK(gd_change_page), s);
1686 }
1687 
1688 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1689 {
1690     GtkWidget *machine_menu;
1691     GtkWidget *separator;
1692 
1693     machine_menu = gtk_menu_new();
1694     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1695 
1696     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1697     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1698 
1699     separator = gtk_separator_menu_item_new();
1700     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1701 
1702     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1703     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1704 
1705     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1706     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1707 
1708     separator = gtk_separator_menu_item_new();
1709     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1710 
1711     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1712     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1713                                  "<QEMU>/Machine/Quit");
1714     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1715                             GDK_KEY_q, HOTKEY_MODIFIERS);
1716     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1717 
1718     return machine_menu;
1719 }
1720 
1721 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1722                               QemuConsole *con, int idx,
1723                               GSList *group, GtkWidget *view_menu)
1724 {
1725     vc->label = qemu_console_get_label(con);
1726     vc->s = s;
1727     vc->gfx.scale_x = 1.0;
1728     vc->gfx.scale_y = 1.0;
1729 
1730     vc->gfx.drawing_area = gtk_drawing_area_new();
1731     gtk_widget_add_events(vc->gfx.drawing_area,
1732                           GDK_POINTER_MOTION_MASK |
1733                           GDK_BUTTON_PRESS_MASK |
1734                           GDK_BUTTON_RELEASE_MASK |
1735                           GDK_BUTTON_MOTION_MASK |
1736                           GDK_ENTER_NOTIFY_MASK |
1737                           GDK_LEAVE_NOTIFY_MASK |
1738                           GDK_SCROLL_MASK |
1739                           GDK_KEY_PRESS_MASK);
1740     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1741 
1742     vc->type = GD_VC_GFX;
1743     vc->tab_item = vc->gfx.drawing_area;
1744     vc->focus = vc->gfx.drawing_area;
1745     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1746                              vc->tab_item, gtk_label_new(vc->label));
1747 
1748 #if defined(CONFIG_OPENGL)
1749     if (display_opengl) {
1750         /*
1751          * gtk_widget_set_double_buffered() was deprecated in 3.14.
1752          * It is required for opengl rendering on X11 though.  A
1753          * proper replacement (native opengl support) is only
1754          * available in 3.16+.  Silence the warning if possible.
1755          */
1756 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1757 #pragma GCC diagnostic push
1758 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1759 #endif
1760         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1761 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1762 #pragma GCC diagnostic pop
1763 #endif
1764         vc->gfx.dcl.ops = &dcl_egl_ops;
1765     } else
1766 #endif
1767     {
1768         vc->gfx.dcl.ops = &dcl_ops;
1769     }
1770 
1771     vc->gfx.dcl.con = con;
1772     register_displaychangelistener(&vc->gfx.dcl);
1773 
1774     gd_connect_vc_gfx_signals(vc);
1775     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1776 
1777     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
1778         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
1779         s->free_scale = true;
1780     }
1781 
1782     return group;
1783 }
1784 
1785 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
1786 {
1787     GSList *group = NULL;
1788     GtkWidget *view_menu;
1789     GtkWidget *separator;
1790     QemuConsole *con;
1791     int vc;
1792 
1793     view_menu = gtk_menu_new();
1794     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
1795 
1796     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1797 
1798     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
1799             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
1800 #if GTK_CHECK_VERSION(3, 8, 0)
1801     gtk_accel_label_set_accel(
1802             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
1803             GDK_KEY_f, HOTKEY_MODIFIERS);
1804 #endif
1805     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1806 
1807     separator = gtk_separator_menu_item_new();
1808     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1809 
1810     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1811     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1812                                  "<QEMU>/View/Zoom In");
1813     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1814                             HOTKEY_MODIFIERS);
1815     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1816 
1817     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1818     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1819                                  "<QEMU>/View/Zoom Out");
1820     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1821                             HOTKEY_MODIFIERS);
1822     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1823 
1824     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1825     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1826                                  "<QEMU>/View/Zoom Fixed");
1827     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1828                             HOTKEY_MODIFIERS);
1829     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1830 
1831     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1832     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1833 
1834     separator = gtk_separator_menu_item_new();
1835     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1836 
1837     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1838     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1839 
1840     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1841     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1842                                  "<QEMU>/View/Grab Input");
1843     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1844                             HOTKEY_MODIFIERS);
1845     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1846 
1847     separator = gtk_separator_menu_item_new();
1848     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1849 
1850     /* gfx */
1851     for (vc = 0;; vc++) {
1852         con = qemu_console_lookup_by_index(vc);
1853         if (!con) {
1854             break;
1855         }
1856         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1857                                vc, group, view_menu);
1858         s->nb_vcs++;
1859     }
1860 
1861 #if defined(CONFIG_VTE)
1862     /* vte */
1863     gd_vcs_init(s, group, view_menu);
1864 #endif
1865 
1866     separator = gtk_separator_menu_item_new();
1867     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1868 
1869     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1870     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1871 
1872     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1873     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1874 
1875     return view_menu;
1876 }
1877 
1878 static void gd_create_menus(GtkDisplayState *s)
1879 {
1880     s->accel_group = gtk_accel_group_new();
1881     s->machine_menu = gd_create_menu_machine(s);
1882     s->view_menu = gd_create_menu_view(s);
1883 
1884     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1885     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1886                               s->machine_menu);
1887     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1888 
1889     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1890     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1891     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1892 
1893     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
1894     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
1895 }
1896 
1897 static void gd_set_keycode_type(GtkDisplayState *s)
1898 {
1899 #ifdef GDK_WINDOWING_X11
1900     GdkDisplay *display = gtk_widget_get_display(s->window);
1901     if (GDK_IS_X11_DISPLAY(display)) {
1902         Display *x11_display = gdk_x11_display_get_xdisplay(display);
1903         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
1904                                          XkbUseCoreKbd);
1905         char *keycodes = NULL;
1906 
1907         if (desc && desc->names) {
1908             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
1909         }
1910         if (keycodes == NULL) {
1911             fprintf(stderr, "could not lookup keycode name\n");
1912         } else if (strstart(keycodes, "evdev", NULL)) {
1913             s->has_evdev = true;
1914         } else if (!strstart(keycodes, "xfree86", NULL)) {
1915             fprintf(stderr, "unknown keycodes `%s', please report to "
1916                     "qemu-devel@nongnu.org\n", keycodes);
1917         }
1918 
1919         if (desc) {
1920             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
1921         }
1922         if (keycodes) {
1923             XFree(keycodes);
1924         }
1925     }
1926 #endif
1927 }
1928 
1929 static gboolean gtkinit;
1930 
1931 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1932 {
1933     GtkDisplayState *s = g_malloc0(sizeof(*s));
1934     char *filename;
1935     GdkDisplay *window_display;
1936 
1937     if (!gtkinit) {
1938         fprintf(stderr, "gtk initialization failed\n");
1939         exit(1);
1940     }
1941 
1942     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1943 #if GTK_CHECK_VERSION(3, 2, 0)
1944     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1945 #else
1946     s->vbox = gtk_vbox_new(FALSE, 0);
1947 #endif
1948     s->notebook = gtk_notebook_new();
1949     s->menu_bar = gtk_menu_bar_new();
1950 
1951     s->free_scale = FALSE;
1952 
1953     /* LC_MESSAGES only. See early_gtk_display_init() for details */
1954     setlocale(LC_MESSAGES, "");
1955     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1956     textdomain("qemu");
1957 
1958     window_display = gtk_widget_get_display(s->window);
1959     s->null_cursor = gdk_cursor_new_for_display(window_display,
1960                                                 GDK_BLANK_CURSOR);
1961 
1962     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1963     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1964     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1965 
1966     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1967     if (filename) {
1968         GError *error = NULL;
1969         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1970         if (pixbuf) {
1971             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1972         } else {
1973             g_error_free(error);
1974         }
1975         g_free(filename);
1976     }
1977 
1978     gd_create_menus(s);
1979 
1980     gd_connect_signals(s);
1981 
1982     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1983     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1984 
1985     gd_update_caption(s);
1986 
1987     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1988     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1989 
1990     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1991 
1992     gtk_widget_show_all(s->window);
1993 
1994 #ifdef VTE_RESIZE_HACK
1995     {
1996         VirtualConsole *cur = gd_vc_find_current(s);
1997         if (cur) {
1998             int i;
1999 
2000             for (i = 0; i < s->nb_vcs; i++) {
2001                 VirtualConsole *vc = &s->vc[i];
2002                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2003                     gtk_widget_hide(vc->vte.terminal);
2004                 }
2005             }
2006             gd_update_windowsize(cur);
2007         }
2008     }
2009 #endif
2010 
2011     if (full_screen) {
2012         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2013     }
2014     if (grab_on_hover) {
2015         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2016     }
2017 
2018     gd_set_keycode_type(s);
2019 }
2020 
2021 void early_gtk_display_init(int opengl)
2022 {
2023     /* The QEMU code relies on the assumption that it's always run in
2024      * the C locale. Therefore it is not prepared to deal with
2025      * operations that produce different results depending on the
2026      * locale, such as printf's formatting of decimal numbers, and
2027      * possibly others.
2028      *
2029      * Since GTK+ calls setlocale() by default -importing the locale
2030      * settings from the environment- we must prevent it from doing so
2031      * using gtk_disable_setlocale().
2032      *
2033      * QEMU's GTK+ UI, however, _does_ have translations for some of
2034      * the menu items. As a trade-off between a functionally correct
2035      * QEMU and a fully internationalized UI we support importing
2036      * LC_MESSAGES from the environment (see the setlocale() call
2037      * earlier in this file). This allows us to display translated
2038      * messages leaving everything else untouched.
2039      */
2040     gtk_disable_setlocale();
2041     gtkinit = gtk_init_check(NULL, NULL);
2042     if (!gtkinit) {
2043         /* don't exit yet, that'll break -help */
2044         return;
2045     }
2046 
2047     switch (opengl) {
2048     case -1: /* default */
2049     case 0:  /* off */
2050         break;
2051     case 1: /* on */
2052 #if defined(CONFIG_OPENGL)
2053         gtk_egl_init();
2054 #endif
2055         break;
2056     default:
2057         g_assert_not_reached();
2058         break;
2059     }
2060 
2061 #if defined(CONFIG_VTE)
2062     register_vc_handler(gd_vc_handler);
2063 #endif
2064 }
2065