xref: /openbmc/qemu/ui/gtk.c (revision 932a8d1f)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
21  *
22  * Portions from gtk-vnc (originally licensed under the LGPL v2+):
23  *
24  * GTK VNC Widget
25  *
26  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
27  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
28  */
29 
30 #define GETTEXT_PACKAGE "qemu"
31 #define LOCALEDIR "po"
32 
33 #include "qemu/osdep.h"
34 #include "qapi/error.h"
35 #include "qapi/qapi-commands-control.h"
36 #include "qapi/qapi-commands-machine.h"
37 #include "qapi/qapi-commands-misc.h"
38 #include "qemu/cutils.h"
39 
40 #include "ui/console.h"
41 #include "ui/gtk.h"
42 #ifdef G_OS_WIN32
43 #include <gdk/gdkwin32.h>
44 #endif
45 #include "ui/win32-kbd-hook.h"
46 
47 #include <glib/gi18n.h>
48 #include <locale.h>
49 #if defined(CONFIG_VTE)
50 #include <vte/vte.h>
51 #endif
52 #include <math.h>
53 
54 #include "trace.h"
55 #include "qemu/cutils.h"
56 #include "ui/input.h"
57 #include "sysemu/runstate.h"
58 #include "sysemu/sysemu.h"
59 #include "keymaps.h"
60 #include "chardev/char.h"
61 #include "qom/object.h"
62 
63 #define MAX_VCS 10
64 #define VC_WINDOW_X_MIN  320
65 #define VC_WINDOW_Y_MIN  240
66 #define VC_TERM_X_MIN     80
67 #define VC_TERM_Y_MIN     25
68 #define VC_SCALE_MIN    0.25
69 #define VC_SCALE_STEP   0.25
70 
71 #ifdef GDK_WINDOWING_X11
72 #include "x_keymap.h"
73 
74 /* Gtk2 compat */
75 #ifndef GDK_IS_X11_DISPLAY
76 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
77 #endif
78 #endif
79 
80 
81 #ifdef GDK_WINDOWING_WAYLAND
82 /* Gtk2 compat */
83 #ifndef GDK_IS_WAYLAND_DISPLAY
84 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
85 #endif
86 #endif
87 
88 
89 #ifdef GDK_WINDOWING_WIN32
90 /* Gtk2 compat */
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
93 #endif
94 #endif
95 
96 
97 #ifdef GDK_WINDOWING_BROADWAY
98 /* Gtk2 compat */
99 #ifndef GDK_IS_BROADWAY_DISPLAY
100 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
101 #endif
102 #endif
103 
104 
105 #ifdef GDK_WINDOWING_QUARTZ
106 /* Gtk2 compat */
107 #ifndef GDK_IS_QUARTZ_DISPLAY
108 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
109 #endif
110 #endif
111 
112 
113 #if !defined(CONFIG_VTE)
114 # define VTE_CHECK_VERSION(a, b, c) 0
115 #endif
116 
117 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
118 
119 static const guint16 *keycode_map;
120 static size_t keycode_maplen;
121 
122 struct GtkDisplayState {
123     GtkWidget *window;
124 
125     GtkWidget *menu_bar;
126 
127     GtkAccelGroup *accel_group;
128 
129     GtkWidget *machine_menu_item;
130     GtkWidget *machine_menu;
131     GtkWidget *pause_item;
132     GtkWidget *reset_item;
133     GtkWidget *powerdown_item;
134     GtkWidget *quit_item;
135 
136     GtkWidget *view_menu_item;
137     GtkWidget *view_menu;
138     GtkWidget *full_screen_item;
139     GtkWidget *copy_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     GtkWidget *show_menubar_item;
153 
154     GtkWidget *vbox;
155     GtkWidget *notebook;
156     int button_mask;
157     gboolean last_set;
158     int last_x;
159     int last_y;
160     int grab_x_root;
161     int grab_y_root;
162     VirtualConsole *kbd_owner;
163     VirtualConsole *ptr_owner;
164 
165     gboolean full_screen;
166 
167     GdkCursor *null_cursor;
168     Notifier mouse_mode_notifier;
169     gboolean free_scale;
170 
171     bool external_pause_update;
172 
173     DisplayOptions *opts;
174 };
175 
176 struct VCChardev {
177     Chardev parent;
178     VirtualConsole *console;
179     bool echo;
180 };
181 typedef struct VCChardev VCChardev;
182 
183 #define TYPE_CHARDEV_VC "chardev-vc"
184 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
185                          TYPE_CHARDEV_VC)
186 
187 bool gtk_use_gl_area;
188 
189 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
190 static void gd_ungrab_pointer(GtkDisplayState *s);
191 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
192 static void gd_ungrab_keyboard(GtkDisplayState *s);
193 
194 /** Utility Functions **/
195 
196 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
197 {
198     VirtualConsole *vc;
199     gint i;
200 
201     for (i = 0; i < s->nb_vcs; i++) {
202         vc = &s->vc[i];
203         if (gtk_check_menu_item_get_active
204             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
205             return vc;
206         }
207     }
208     return NULL;
209 }
210 
211 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
212 {
213     VirtualConsole *vc;
214     gint i, p;
215 
216     for (i = 0; i < s->nb_vcs; i++) {
217         vc = &s->vc[i];
218         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
219         if (p == page) {
220             return vc;
221         }
222     }
223     return NULL;
224 }
225 
226 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
227 {
228     gint page;
229 
230     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
231     return gd_vc_find_by_page(s, page);
232 }
233 
234 static bool gd_is_grab_active(GtkDisplayState *s)
235 {
236     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
237 }
238 
239 static bool gd_grab_on_hover(GtkDisplayState *s)
240 {
241     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
242 }
243 
244 static void gd_update_cursor(VirtualConsole *vc)
245 {
246     GtkDisplayState *s = vc->s;
247     GdkWindow *window;
248 
249     if (vc->type != GD_VC_GFX ||
250         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
251         return;
252     }
253 
254     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
255         return;
256     }
257 
258     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
259     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
260         gdk_window_set_cursor(window, s->null_cursor);
261     } else {
262         gdk_window_set_cursor(window, NULL);
263     }
264 }
265 
266 static void gd_update_caption(GtkDisplayState *s)
267 {
268     const char *status = "";
269     gchar *prefix;
270     gchar *title;
271     const char *grab = "";
272     bool is_paused = !runstate_is_running();
273     int i;
274 
275     if (qemu_name) {
276         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
277     } else {
278         prefix = g_strdup_printf("QEMU");
279     }
280 
281     if (s->ptr_owner != NULL &&
282         s->ptr_owner->window == NULL) {
283         grab = _(" - Press Ctrl+Alt+G to release grab");
284     }
285 
286     if (is_paused) {
287         status = _(" [Paused]");
288     }
289     s->external_pause_update = true;
290     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
291                                    is_paused);
292     s->external_pause_update = false;
293 
294     title = g_strdup_printf("%s%s%s", prefix, status, grab);
295     gtk_window_set_title(GTK_WINDOW(s->window), title);
296     g_free(title);
297 
298     for (i = 0; i < s->nb_vcs; i++) {
299         VirtualConsole *vc = &s->vc[i];
300 
301         if (!vc->window) {
302             continue;
303         }
304         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
305                                 vc == s->kbd_owner ? " +kbd" : "",
306                                 vc == s->ptr_owner ? " +ptr" : "");
307         gtk_window_set_title(GTK_WINDOW(vc->window), title);
308         g_free(title);
309     }
310 
311     g_free(prefix);
312 }
313 
314 static void gd_update_geometry_hints(VirtualConsole *vc)
315 {
316     GtkDisplayState *s = vc->s;
317     GdkWindowHints mask = 0;
318     GdkGeometry geo = {};
319     GtkWidget *geo_widget = NULL;
320     GtkWindow *geo_window;
321 
322     if (vc->type == GD_VC_GFX) {
323         if (!vc->gfx.ds) {
324             return;
325         }
326         if (s->free_scale) {
327             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
328             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
329             mask |= GDK_HINT_MIN_SIZE;
330         } else {
331             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
332             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
333             mask |= GDK_HINT_MIN_SIZE;
334         }
335         geo_widget = vc->gfx.drawing_area;
336         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
337 
338 #if defined(CONFIG_VTE)
339     } else if (vc->type == GD_VC_VTE) {
340         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
341         GtkBorder padding = { 0 };
342 
343 #if VTE_CHECK_VERSION(0, 37, 0)
344         gtk_style_context_get_padding(
345                 gtk_widget_get_style_context(vc->vte.terminal),
346                 gtk_widget_get_state_flags(vc->vte.terminal),
347                 &padding);
348 #else
349         {
350             GtkBorder *ib = NULL;
351             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
352             if (ib) {
353                 padding = *ib;
354                 gtk_border_free(ib);
355             }
356         }
357 #endif
358 
359         geo.width_inc  = vte_terminal_get_char_width(term);
360         geo.height_inc = vte_terminal_get_char_height(term);
361         mask |= GDK_HINT_RESIZE_INC;
362         geo.base_width  = geo.width_inc;
363         geo.base_height = geo.height_inc;
364         mask |= GDK_HINT_BASE_SIZE;
365         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
366         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
367         mask |= GDK_HINT_MIN_SIZE;
368 
369         geo.base_width  += padding.left + padding.right;
370         geo.base_height += padding.top + padding.bottom;
371         geo.min_width   += padding.left + padding.right;
372         geo.min_height  += padding.top + padding.bottom;
373         geo_widget = vc->vte.terminal;
374 #endif
375     }
376 
377     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
378     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
379 }
380 
381 void gd_update_windowsize(VirtualConsole *vc)
382 {
383     GtkDisplayState *s = vc->s;
384 
385     gd_update_geometry_hints(vc);
386 
387     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
388         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
389                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
390     }
391 }
392 
393 static void gd_update_full_redraw(VirtualConsole *vc)
394 {
395     GtkWidget *area = vc->gfx.drawing_area;
396     int ww, wh;
397     ww = gdk_window_get_width(gtk_widget_get_window(area));
398     wh = gdk_window_get_height(gtk_widget_get_window(area));
399 #if defined(CONFIG_OPENGL)
400     if (vc->gfx.gls && gtk_use_gl_area) {
401         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
402         return;
403     }
404 #endif
405     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
406 }
407 
408 static void gtk_release_modifiers(GtkDisplayState *s)
409 {
410     VirtualConsole *vc = gd_vc_find_current(s);
411 
412     if (vc->type != GD_VC_GFX ||
413         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
414         return;
415     }
416     qkbd_state_lift_all_keys(vc->gfx.kbd);
417 }
418 
419 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
420                                GtkWidget *widget)
421 {
422     g_object_ref(G_OBJECT(widget));
423     gtk_container_remove(GTK_CONTAINER(from), widget);
424     gtk_container_add(GTK_CONTAINER(to), widget);
425     g_object_unref(G_OBJECT(widget));
426 }
427 
428 static void *gd_win32_get_hwnd(VirtualConsole *vc)
429 {
430 #ifdef G_OS_WIN32
431     return gdk_win32_window_get_impl_hwnd(
432         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
433 #else
434     return NULL;
435 #endif
436 }
437 
438 /** DisplayState Callbacks **/
439 
440 static void gd_update(DisplayChangeListener *dcl,
441                       int x, int y, int w, int h)
442 {
443     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
444     GdkWindow *win;
445     int x1, x2, y1, y2;
446     int mx, my;
447     int fbw, fbh;
448     int ww, wh;
449 
450     trace_gd_update(vc->label, x, y, w, h);
451 
452     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
453         return;
454     }
455 
456     if (vc->gfx.convert) {
457         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
458                                NULL, vc->gfx.convert,
459                                x, y, 0, 0, x, y, w, h);
460     }
461 
462     x1 = floor(x * vc->gfx.scale_x);
463     y1 = floor(y * vc->gfx.scale_y);
464 
465     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
466     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
467 
468     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
469     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
470 
471     win = gtk_widget_get_window(vc->gfx.drawing_area);
472     if (!win) {
473         return;
474     }
475     ww = gdk_window_get_width(win);
476     wh = gdk_window_get_height(win);
477 
478     mx = my = 0;
479     if (ww > fbw) {
480         mx = (ww - fbw) / 2;
481     }
482     if (wh > fbh) {
483         my = (wh - fbh) / 2;
484     }
485 
486     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
487                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
488 }
489 
490 static void gd_refresh(DisplayChangeListener *dcl)
491 {
492     graphic_hw_update(dcl->con);
493 }
494 
495 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
496 {
497     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
498 }
499 
500 static void gd_mouse_set(DisplayChangeListener *dcl,
501                          int x, int y, int visible)
502 {
503     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
504     GdkDisplay *dpy;
505     gint x_root, y_root;
506 
507     if (qemu_input_is_absolute()) {
508         return;
509     }
510 
511     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
512     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
513                                x, y, &x_root, &y_root);
514     gdk_device_warp(gd_get_pointer(dpy),
515                     gtk_widget_get_screen(vc->gfx.drawing_area),
516                     x_root, y_root);
517     vc->s->last_x = x;
518     vc->s->last_y = y;
519 }
520 
521 static void gd_cursor_define(DisplayChangeListener *dcl,
522                              QEMUCursor *c)
523 {
524     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
525     GdkPixbuf *pixbuf;
526     GdkCursor *cursor;
527 
528     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
529         return;
530     }
531 
532     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
533                                       GDK_COLORSPACE_RGB, true, 8,
534                                       c->width, c->height, c->width * 4,
535                                       NULL, NULL);
536     cursor = gdk_cursor_new_from_pixbuf
537         (gtk_widget_get_display(vc->gfx.drawing_area),
538          pixbuf, c->hot_x, c->hot_y);
539     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
540     g_object_unref(pixbuf);
541     g_object_unref(cursor);
542 }
543 
544 static void gd_switch(DisplayChangeListener *dcl,
545                       DisplaySurface *surface)
546 {
547     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
548     bool resized = true;
549 
550     trace_gd_switch(vc->label,
551                     surface ? surface_width(surface)  : 0,
552                     surface ? surface_height(surface) : 0);
553 
554     if (vc->gfx.surface) {
555         cairo_surface_destroy(vc->gfx.surface);
556         vc->gfx.surface = NULL;
557     }
558     if (vc->gfx.convert) {
559         pixman_image_unref(vc->gfx.convert);
560         vc->gfx.convert = NULL;
561     }
562 
563     if (vc->gfx.ds && surface &&
564         surface_width(vc->gfx.ds) == surface_width(surface) &&
565         surface_height(vc->gfx.ds) == surface_height(surface)) {
566         resized = false;
567     }
568     vc->gfx.ds = surface;
569 
570     if (!surface) {
571         return;
572     }
573 
574     if (surface->format == PIXMAN_x8r8g8b8) {
575         /*
576          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
577          *
578          * No need to convert, use surface directly.  Should be the
579          * common case as this is qemu_default_pixelformat(32) too.
580          */
581         vc->gfx.surface = cairo_image_surface_create_for_data
582             (surface_data(surface),
583              CAIRO_FORMAT_RGB24,
584              surface_width(surface),
585              surface_height(surface),
586              surface_stride(surface));
587     } else {
588         /* Must convert surface, use pixman to do it. */
589         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
590                                                    surface_width(surface),
591                                                    surface_height(surface),
592                                                    NULL, 0);
593         vc->gfx.surface = cairo_image_surface_create_for_data
594             ((void *)pixman_image_get_data(vc->gfx.convert),
595              CAIRO_FORMAT_RGB24,
596              pixman_image_get_width(vc->gfx.convert),
597              pixman_image_get_height(vc->gfx.convert),
598              pixman_image_get_stride(vc->gfx.convert));
599         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
600                                NULL, vc->gfx.convert,
601                                0, 0, 0, 0, 0, 0,
602                                pixman_image_get_width(vc->gfx.convert),
603                                pixman_image_get_height(vc->gfx.convert));
604     }
605 
606     if (resized) {
607         gd_update_windowsize(vc);
608     } else {
609         gd_update_full_redraw(vc);
610     }
611 }
612 
613 static const DisplayChangeListenerOps dcl_ops = {
614     .dpy_name             = "gtk",
615     .dpy_gfx_update       = gd_update,
616     .dpy_gfx_switch       = gd_switch,
617     .dpy_gfx_check_format = qemu_pixman_check_format,
618     .dpy_refresh          = gd_refresh,
619     .dpy_mouse_set        = gd_mouse_set,
620     .dpy_cursor_define    = gd_cursor_define,
621 };
622 
623 
624 #if defined(CONFIG_OPENGL)
625 
626 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
627 {
628     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
629 
630     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
631         /* FIXME: Assume it will work, actual check done after realize */
632         /* fixing this would require delaying listener registration */
633         return true;
634     }
635 
636     return vc->gfx.has_dmabuf;
637 }
638 
639 /** DisplayState Callbacks (opengl version) **/
640 
641 static const DisplayChangeListenerOps dcl_gl_area_ops = {
642     .dpy_name             = "gtk-egl",
643     .dpy_gfx_update       = gd_gl_area_update,
644     .dpy_gfx_switch       = gd_gl_area_switch,
645     .dpy_gfx_check_format = console_gl_check_format,
646     .dpy_refresh          = gd_gl_area_refresh,
647     .dpy_mouse_set        = gd_mouse_set,
648     .dpy_cursor_define    = gd_cursor_define,
649 
650     .dpy_gl_ctx_create       = gd_gl_area_create_context,
651     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
652     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
653     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
654     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
655     .dpy_gl_update           = gd_gl_area_scanout_flush,
656     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
657     .dpy_has_dmabuf          = gd_has_dmabuf,
658 };
659 
660 static const DisplayChangeListenerOps dcl_egl_ops = {
661     .dpy_name             = "gtk-egl",
662     .dpy_gfx_update       = gd_egl_update,
663     .dpy_gfx_switch       = gd_egl_switch,
664     .dpy_gfx_check_format = console_gl_check_format,
665     .dpy_refresh          = gd_egl_refresh,
666     .dpy_mouse_set        = gd_mouse_set,
667     .dpy_cursor_define    = gd_cursor_define,
668 
669     .dpy_gl_ctx_create       = gd_egl_create_context,
670     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
671     .dpy_gl_ctx_make_current = gd_egl_make_current,
672     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
673     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
674     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
675     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
676     .dpy_gl_cursor_position  = gd_egl_cursor_position,
677     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
678     .dpy_gl_update           = gd_egl_scanout_flush,
679     .dpy_has_dmabuf          = gd_has_dmabuf,
680 };
681 
682 #endif /* CONFIG_OPENGL */
683 
684 /** QEMU Events **/
685 
686 static void gd_change_runstate(void *opaque, int running, RunState state)
687 {
688     GtkDisplayState *s = opaque;
689 
690     gd_update_caption(s);
691 }
692 
693 static void gd_mouse_mode_change(Notifier *notify, void *data)
694 {
695     GtkDisplayState *s;
696     int i;
697 
698     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
699     /* release the grab at switching to absolute mode */
700     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
701         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
702                                        FALSE);
703     }
704     for (i = 0; i < s->nb_vcs; i++) {
705         VirtualConsole *vc = &s->vc[i];
706         gd_update_cursor(vc);
707     }
708 }
709 
710 /** GTK Events **/
711 
712 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
713                                 void *opaque)
714 {
715     GtkDisplayState *s = opaque;
716     bool allow_close = true;
717 
718     if (s->opts->has_window_close && !s->opts->window_close) {
719         allow_close = false;
720     }
721 
722     if (allow_close) {
723         qmp_quit(NULL);
724     }
725 
726     return TRUE;
727 }
728 
729 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
730 {
731     QemuUIInfo info;
732 
733     memset(&info, 0, sizeof(info));
734     info.width = width;
735     info.height = height;
736     dpy_set_ui_info(vc->gfx.dcl.con, &info);
737 }
738 
739 #if defined(CONFIG_OPENGL)
740 
741 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
742                                 void *opaque)
743 {
744     VirtualConsole *vc = opaque;
745 
746     if (vc->gfx.gls) {
747         gd_gl_area_draw(vc);
748     }
749     return TRUE;
750 }
751 
752 static void gd_resize_event(GtkGLArea *area,
753                             gint width, gint height, gpointer *opaque)
754 {
755     VirtualConsole *vc = (void *)opaque;
756 
757     gd_set_ui_info(vc, width, height);
758 }
759 
760 #endif
761 
762 /*
763  * If available, return the update interval of the monitor in ms,
764  * else return 0 (the default update interval).
765  */
766 int gd_monitor_update_interval(GtkWidget *widget)
767 {
768 #ifdef GDK_VERSION_3_22
769     GdkWindow *win = gtk_widget_get_window(widget);
770 
771     if (win) {
772         GdkDisplay *dpy = gtk_widget_get_display(widget);
773         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
774         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
775 
776         if (refresh_rate) {
777             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
778             return MIN(1000 * 1000 / refresh_rate,
779                        GUI_REFRESH_INTERVAL_DEFAULT);
780         }
781     }
782 #endif
783     return 0;
784 }
785 
786 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
787 {
788     VirtualConsole *vc = opaque;
789     GtkDisplayState *s = vc->s;
790     int mx, my;
791     int ww, wh;
792     int fbw, fbh;
793 
794 #if defined(CONFIG_OPENGL)
795     if (vc->gfx.gls) {
796         if (gtk_use_gl_area) {
797             /* invoke render callback please */
798             return FALSE;
799         } else {
800             gd_egl_draw(vc);
801             return TRUE;
802         }
803     }
804 #endif
805 
806     if (!gtk_widget_get_realized(widget)) {
807         return FALSE;
808     }
809     if (!vc->gfx.ds) {
810         return FALSE;
811     }
812 
813     vc->gfx.dcl.update_interval =
814         gd_monitor_update_interval(vc->window ? vc->window : s->window);
815 
816     fbw = surface_width(vc->gfx.ds);
817     fbh = surface_height(vc->gfx.ds);
818 
819     ww = gdk_window_get_width(gtk_widget_get_window(widget));
820     wh = gdk_window_get_height(gtk_widget_get_window(widget));
821 
822     if (s->full_screen) {
823         vc->gfx.scale_x = (double)ww / fbw;
824         vc->gfx.scale_y = (double)wh / fbh;
825     } else if (s->free_scale) {
826         double sx, sy;
827 
828         sx = (double)ww / fbw;
829         sy = (double)wh / fbh;
830 
831         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
832     }
833 
834     fbw *= vc->gfx.scale_x;
835     fbh *= vc->gfx.scale_y;
836 
837     mx = my = 0;
838     if (ww > fbw) {
839         mx = (ww - fbw) / 2;
840     }
841     if (wh > fbh) {
842         my = (wh - fbh) / 2;
843     }
844 
845     cairo_rectangle(cr, 0, 0, ww, wh);
846 
847     /* Optionally cut out the inner area where the pixmap
848        will be drawn. This avoids 'flashing' since we're
849        not double-buffering. Note we're using the undocumented
850        behaviour of drawing the rectangle from right to left
851        to cut out the whole */
852     cairo_rectangle(cr, mx + fbw, my,
853                     -1 * fbw, fbh);
854     cairo_fill(cr);
855 
856     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
857     cairo_set_source_surface(cr, vc->gfx.surface,
858                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
859     cairo_paint(cr);
860 
861     return TRUE;
862 }
863 
864 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
865                                 void *opaque)
866 {
867     VirtualConsole *vc = opaque;
868     GtkDisplayState *s = vc->s;
869     int x, y;
870     int mx, my;
871     int fbh, fbw;
872     int ww, wh;
873 
874     if (!vc->gfx.ds) {
875         return TRUE;
876     }
877 
878     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
879     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
880 
881     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
882     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
883 
884     mx = my = 0;
885     if (ww > fbw) {
886         mx = (ww - fbw) / 2;
887     }
888     if (wh > fbh) {
889         my = (wh - fbh) / 2;
890     }
891 
892     x = (motion->x - mx) / vc->gfx.scale_x;
893     y = (motion->y - my) / vc->gfx.scale_y;
894 
895     if (qemu_input_is_absolute()) {
896         if (x < 0 || y < 0 ||
897             x >= surface_width(vc->gfx.ds) ||
898             y >= surface_height(vc->gfx.ds)) {
899             return TRUE;
900         }
901         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
902                              0, surface_width(vc->gfx.ds));
903         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
904                              0, surface_height(vc->gfx.ds));
905         qemu_input_event_sync();
906     } else if (s->last_set && s->ptr_owner == vc) {
907         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
908         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
909         qemu_input_event_sync();
910     }
911     s->last_x = x;
912     s->last_y = y;
913     s->last_set = TRUE;
914 
915     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
916         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
917         GdkDisplay *dpy = gtk_widget_get_display(widget);
918         GdkWindow *win = gtk_widget_get_window(widget);
919         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
920         GdkRectangle geometry;
921         int screen_width, screen_height;
922 
923         int x = (int)motion->x_root;
924         int y = (int)motion->y_root;
925 
926         gdk_monitor_get_geometry(monitor, &geometry);
927         screen_width = geometry.width;
928         screen_height = geometry.height;
929 
930         /* In relative mode check to see if client pointer hit
931          * one of the screen edges, and if so move it back by
932          * 200 pixels. This is important because the pointer
933          * in the server doesn't correspond 1-for-1, and so
934          * may still be only half way across the screen. Without
935          * this warp, the server pointer would thus appear to hit
936          * an invisible wall */
937         if (x == 0) {
938             x += 200;
939         }
940         if (y == 0) {
941             y += 200;
942         }
943         if (x == (screen_width - 1)) {
944             x -= 200;
945         }
946         if (y == (screen_height - 1)) {
947             y -= 200;
948         }
949 
950         if (x != (int)motion->x_root || y != (int)motion->y_root) {
951             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
952             gdk_device_warp(dev, screen, x, y);
953             s->last_set = FALSE;
954             return FALSE;
955         }
956     }
957     return TRUE;
958 }
959 
960 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
961                                 void *opaque)
962 {
963     VirtualConsole *vc = opaque;
964     GtkDisplayState *s = vc->s;
965     InputButton btn;
966 
967     /* implicitly grab the input at the first click in the relative mode */
968     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
969         !qemu_input_is_absolute() && s->ptr_owner != vc) {
970         if (!vc->window) {
971             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
972                                            TRUE);
973         } else {
974             gd_grab_pointer(vc, "relative-mode-click");
975         }
976         return TRUE;
977     }
978 
979     if (button->button == 1) {
980         btn = INPUT_BUTTON_LEFT;
981     } else if (button->button == 2) {
982         btn = INPUT_BUTTON_MIDDLE;
983     } else if (button->button == 3) {
984         btn = INPUT_BUTTON_RIGHT;
985     } else if (button->button == 8) {
986         btn = INPUT_BUTTON_SIDE;
987     } else if (button->button == 9) {
988         btn = INPUT_BUTTON_EXTRA;
989     } else {
990         return TRUE;
991     }
992 
993     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
994                          button->type == GDK_BUTTON_PRESS);
995     qemu_input_event_sync();
996     return TRUE;
997 }
998 
999 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1000                                 void *opaque)
1001 {
1002     VirtualConsole *vc = opaque;
1003     InputButton btn;
1004 
1005     if (scroll->direction == GDK_SCROLL_UP) {
1006         btn = INPUT_BUTTON_WHEEL_UP;
1007     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1008         btn = INPUT_BUTTON_WHEEL_DOWN;
1009     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1010         gdouble delta_x, delta_y;
1011         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1012                                          &delta_x, &delta_y)) {
1013             return TRUE;
1014         }
1015         if (delta_y == 0) {
1016             return TRUE;
1017         } else if (delta_y > 0) {
1018             btn = INPUT_BUTTON_WHEEL_DOWN;
1019         } else {
1020             btn = INPUT_BUTTON_WHEEL_UP;
1021         }
1022     } else {
1023         return TRUE;
1024     }
1025 
1026     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1027     qemu_input_event_sync();
1028     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1029     qemu_input_event_sync();
1030     return TRUE;
1031 }
1032 
1033 
1034 static const guint16 *gd_get_keymap(size_t *maplen)
1035 {
1036     GdkDisplay *dpy = gdk_display_get_default();
1037 
1038 #ifdef GDK_WINDOWING_X11
1039     if (GDK_IS_X11_DISPLAY(dpy)) {
1040         trace_gd_keymap_windowing("x11");
1041         return qemu_xkeymap_mapping_table(
1042             gdk_x11_display_get_xdisplay(dpy), maplen);
1043     }
1044 #endif
1045 
1046 #ifdef GDK_WINDOWING_WAYLAND
1047     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1048         trace_gd_keymap_windowing("wayland");
1049         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1050         return qemu_input_map_xorgevdev_to_qcode;
1051     }
1052 #endif
1053 
1054 #ifdef GDK_WINDOWING_WIN32
1055     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1056         trace_gd_keymap_windowing("win32");
1057         *maplen = qemu_input_map_atset1_to_qcode_len;
1058         return qemu_input_map_atset1_to_qcode;
1059     }
1060 #endif
1061 
1062 #ifdef GDK_WINDOWING_QUARTZ
1063     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1064         trace_gd_keymap_windowing("quartz");
1065         *maplen = qemu_input_map_osx_to_qcode_len;
1066         return qemu_input_map_osx_to_qcode;
1067     }
1068 #endif
1069 
1070 #ifdef GDK_WINDOWING_BROADWAY
1071     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1072         trace_gd_keymap_windowing("broadway");
1073         g_warning("experimental: using broadway, x11 virtual keysym\n"
1074                   "mapping - with very limited support. See also\n"
1075                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1076         *maplen = qemu_input_map_x11_to_qcode_len;
1077         return qemu_input_map_x11_to_qcode;
1078     }
1079 #endif
1080 
1081     g_warning("Unsupported GDK Windowing platform.\n"
1082               "Disabling extended keycode tables.\n"
1083               "Please report to qemu-devel@nongnu.org\n"
1084               "including the following information:\n"
1085               "\n"
1086               "  - Operating system\n"
1087               "  - GDK Windowing system build\n");
1088     return NULL;
1089 }
1090 
1091 
1092 static int gd_map_keycode(int scancode)
1093 {
1094     if (!keycode_map) {
1095         return 0;
1096     }
1097     if (scancode > keycode_maplen) {
1098         return 0;
1099     }
1100 
1101     return keycode_map[scancode];
1102 }
1103 
1104 static int gd_get_keycode(GdkEventKey *key)
1105 {
1106 #ifdef G_OS_WIN32
1107     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1108 
1109     /* translate Windows native scancodes to atset1 keycodes */
1110     switch (scancode & (KF_EXTENDED | 0xff)) {
1111     case 0x145:     /* NUMLOCK */
1112         return scancode & 0xff;
1113     }
1114 
1115     return scancode & KF_EXTENDED ?
1116         0xe000 | (scancode & 0xff) : scancode & 0xff;
1117 
1118 #else
1119     return key->hardware_keycode;
1120 #endif
1121 }
1122 
1123 static gboolean gd_text_key_down(GtkWidget *widget,
1124                                  GdkEventKey *key, void *opaque)
1125 {
1126     VirtualConsole *vc = opaque;
1127     QemuConsole *con = vc->gfx.dcl.con;
1128 
1129     if (key->keyval == GDK_KEY_Delete) {
1130         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1131     } else if (key->length) {
1132         kbd_put_string_console(con, key->string, key->length);
1133     } else {
1134         int qcode = gd_map_keycode(gd_get_keycode(key));
1135         kbd_put_qcode_console(con, qcode, false);
1136     }
1137     return TRUE;
1138 }
1139 
1140 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1141 {
1142     VirtualConsole *vc = opaque;
1143     int keycode, qcode;
1144 
1145 #ifdef G_OS_WIN32
1146     /* on windows, we ought to ignore the reserved key event? */
1147     if (key->hardware_keycode == 0xff)
1148         return false;
1149 
1150     if (!vc->s->kbd_owner) {
1151         if (key->hardware_keycode == VK_LWIN ||
1152             key->hardware_keycode == VK_RWIN) {
1153             return FALSE;
1154         }
1155     }
1156 #endif
1157 
1158     if (key->keyval == GDK_KEY_Pause
1159 #ifdef G_OS_WIN32
1160         /* for some reason GDK does not fill keyval for VK_PAUSE
1161          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1162          */
1163         || key->hardware_keycode == VK_PAUSE
1164 #endif
1165         ) {
1166         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1167                              key->type == GDK_KEY_PRESS);
1168         return TRUE;
1169     }
1170 
1171     keycode = gd_get_keycode(key);
1172     qcode = gd_map_keycode(keycode);
1173 
1174     trace_gd_key_event(vc->label, keycode, qcode,
1175                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1176 
1177     qkbd_state_key_event(vc->gfx.kbd, qcode,
1178                          key->type == GDK_KEY_PRESS);
1179 
1180     return TRUE;
1181 }
1182 
1183 static gboolean gd_grab_broken_event(GtkWidget *widget,
1184                                      GdkEventGrabBroken *event, void *opaque)
1185 {
1186 #ifdef CONFIG_WIN32
1187     /*
1188      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1189      * key combination leaves all three keys in a stuck condition. We use
1190      * the grab-broken-event to release all keys.
1191      */
1192     if (event->keyboard) {
1193         VirtualConsole *vc = opaque;
1194         GtkDisplayState *s = vc->s;
1195 
1196         gtk_release_modifiers(s);
1197     }
1198 #endif
1199     return TRUE;
1200 }
1201 
1202 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1203 {
1204     if (event->type == GDK_MOTION_NOTIFY) {
1205         return gd_motion_event(widget, &event->motion, opaque);
1206     }
1207     return FALSE;
1208 }
1209 
1210 /** Window Menu Actions **/
1211 
1212 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1213 {
1214     GtkDisplayState *s = opaque;
1215 
1216     if (s->external_pause_update) {
1217         return;
1218     }
1219     if (runstate_is_running()) {
1220         qmp_stop(NULL);
1221     } else {
1222         qmp_cont(NULL);
1223     }
1224 }
1225 
1226 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1227 {
1228     qmp_system_reset(NULL);
1229 }
1230 
1231 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1232 {
1233     qmp_system_powerdown(NULL);
1234 }
1235 
1236 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1237 {
1238     qmp_quit(NULL);
1239 }
1240 
1241 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1242 {
1243     GtkDisplayState *s = opaque;
1244     VirtualConsole *vc = gd_vc_find_by_menu(s);
1245     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1246     gint page;
1247 
1248     gtk_release_modifiers(s);
1249     if (vc) {
1250         page = gtk_notebook_page_num(nb, vc->tab_item);
1251         gtk_notebook_set_current_page(nb, page);
1252         gtk_widget_grab_focus(vc->focus);
1253     }
1254 }
1255 
1256 static void gd_accel_switch_vc(void *opaque)
1257 {
1258     VirtualConsole *vc = opaque;
1259 
1260     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1261 }
1262 
1263 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1264 {
1265     GtkDisplayState *s = opaque;
1266     VirtualConsole *vc = gd_vc_find_current(s);
1267 
1268     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1269         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1270     } else {
1271         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1272     }
1273     gd_update_windowsize(vc);
1274 }
1275 
1276 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1277                                     void *opaque)
1278 {
1279     VirtualConsole *vc = opaque;
1280     GtkDisplayState *s = vc->s;
1281 
1282     gtk_widget_set_sensitive(vc->menu_item, true);
1283     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1284     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1285                                     vc->tab_item, vc->label);
1286     gtk_widget_destroy(vc->window);
1287     vc->window = NULL;
1288     return TRUE;
1289 }
1290 
1291 static gboolean gd_win_grab(void *opaque)
1292 {
1293     VirtualConsole *vc = opaque;
1294 
1295     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1296     if (vc->s->ptr_owner) {
1297         gd_ungrab_pointer(vc->s);
1298     } else {
1299         gd_grab_pointer(vc, "user-request-detached-tab");
1300     }
1301     return TRUE;
1302 }
1303 
1304 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1305 {
1306     GtkDisplayState *s = opaque;
1307     VirtualConsole *vc = gd_vc_find_current(s);
1308 
1309     if (vc->type == GD_VC_GFX &&
1310         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1311         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1312                                        FALSE);
1313     }
1314     if (!vc->window) {
1315         gtk_widget_set_sensitive(vc->menu_item, false);
1316         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1317         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1318 
1319         g_signal_connect(vc->window, "delete-event",
1320                          G_CALLBACK(gd_tab_window_close), vc);
1321         gtk_widget_show_all(vc->window);
1322 
1323         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1324             GtkAccelGroup *ag = gtk_accel_group_new();
1325             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1326 
1327             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1328                                                vc, NULL);
1329             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1330         }
1331 
1332         gd_update_geometry_hints(vc);
1333         gd_update_caption(s);
1334     }
1335 }
1336 
1337 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1338 {
1339     GtkDisplayState *s = opaque;
1340     VirtualConsole *vc = gd_vc_find_current(s);
1341 
1342     if (s->full_screen) {
1343         return;
1344     }
1345 
1346     if (gtk_check_menu_item_get_active(
1347                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1348         gtk_widget_show(s->menu_bar);
1349     } else {
1350         gtk_widget_hide(s->menu_bar);
1351     }
1352     gd_update_windowsize(vc);
1353 }
1354 
1355 static void gd_accel_show_menubar(void *opaque)
1356 {
1357     GtkDisplayState *s = opaque;
1358     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1359 }
1360 
1361 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1362 {
1363     GtkDisplayState *s = opaque;
1364     VirtualConsole *vc = gd_vc_find_current(s);
1365 
1366     if (!s->full_screen) {
1367         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1368         gtk_widget_hide(s->menu_bar);
1369         if (vc->type == GD_VC_GFX) {
1370             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1371         }
1372         gtk_window_fullscreen(GTK_WINDOW(s->window));
1373         s->full_screen = TRUE;
1374     } else {
1375         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1376         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1377         if (gtk_check_menu_item_get_active(
1378                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1379             gtk_widget_show(s->menu_bar);
1380         }
1381         s->full_screen = FALSE;
1382         if (vc->type == GD_VC_GFX) {
1383             vc->gfx.scale_x = 1.0;
1384             vc->gfx.scale_y = 1.0;
1385             gd_update_windowsize(vc);
1386         }
1387     }
1388 
1389     gd_update_cursor(vc);
1390 }
1391 
1392 static void gd_accel_full_screen(void *opaque)
1393 {
1394     GtkDisplayState *s = opaque;
1395     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1396 }
1397 
1398 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1399 {
1400     GtkDisplayState *s = opaque;
1401     VirtualConsole *vc = gd_vc_find_current(s);
1402 
1403     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1404                                    FALSE);
1405 
1406     vc->gfx.scale_x += VC_SCALE_STEP;
1407     vc->gfx.scale_y += VC_SCALE_STEP;
1408 
1409     gd_update_windowsize(vc);
1410 }
1411 
1412 static void gd_accel_zoom_in(void *opaque)
1413 {
1414     GtkDisplayState *s = opaque;
1415     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1416 }
1417 
1418 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1419 {
1420     GtkDisplayState *s = opaque;
1421     VirtualConsole *vc = gd_vc_find_current(s);
1422 
1423     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1424                                    FALSE);
1425 
1426     vc->gfx.scale_x -= VC_SCALE_STEP;
1427     vc->gfx.scale_y -= VC_SCALE_STEP;
1428 
1429     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1430     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1431 
1432     gd_update_windowsize(vc);
1433 }
1434 
1435 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1436 {
1437     GtkDisplayState *s = opaque;
1438     VirtualConsole *vc = gd_vc_find_current(s);
1439 
1440     vc->gfx.scale_x = 1.0;
1441     vc->gfx.scale_y = 1.0;
1442 
1443     gd_update_windowsize(vc);
1444 }
1445 
1446 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1447 {
1448     GtkDisplayState *s = opaque;
1449     VirtualConsole *vc = gd_vc_find_current(s);
1450 
1451     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1452         s->free_scale = TRUE;
1453     } else {
1454         s->free_scale = FALSE;
1455         vc->gfx.scale_x = 1.0;
1456         vc->gfx.scale_y = 1.0;
1457     }
1458 
1459     gd_update_windowsize(vc);
1460     gd_update_full_redraw(vc);
1461 }
1462 
1463 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1464 {
1465     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1466     GdkSeat *seat = gdk_display_get_default_seat(display);
1467     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1468     GdkSeatCapabilities caps = 0;
1469     GdkCursor *cursor = NULL;
1470 
1471     if (kbd) {
1472         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1473     }
1474     if (ptr) {
1475         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1476         cursor = vc->s->null_cursor;
1477     }
1478 
1479     if (caps) {
1480         gdk_seat_grab(seat, window, caps, false, cursor,
1481                       NULL, NULL, NULL);
1482     } else {
1483         gdk_seat_ungrab(seat);
1484     }
1485 }
1486 
1487 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1488 {
1489     if (vc->s->kbd_owner) {
1490         if (vc->s->kbd_owner == vc) {
1491             return;
1492         } else {
1493             gd_ungrab_keyboard(vc->s);
1494         }
1495     }
1496 
1497     win32_kbd_set_grab(true);
1498     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1499     vc->s->kbd_owner = vc;
1500     gd_update_caption(vc->s);
1501     trace_gd_grab(vc->label, "kbd", reason);
1502 }
1503 
1504 static void gd_ungrab_keyboard(GtkDisplayState *s)
1505 {
1506     VirtualConsole *vc = s->kbd_owner;
1507 
1508     if (vc == NULL) {
1509         return;
1510     }
1511     s->kbd_owner = NULL;
1512 
1513     win32_kbd_set_grab(false);
1514     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1515     gd_update_caption(s);
1516     trace_gd_ungrab(vc->label, "kbd");
1517 }
1518 
1519 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1520 {
1521     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1522 
1523     if (vc->s->ptr_owner) {
1524         if (vc->s->ptr_owner == vc) {
1525             return;
1526         } else {
1527             gd_ungrab_pointer(vc->s);
1528         }
1529     }
1530 
1531     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1532     gdk_device_get_position(gd_get_pointer(display),
1533                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1534     vc->s->ptr_owner = vc;
1535     gd_update_caption(vc->s);
1536     trace_gd_grab(vc->label, "ptr", reason);
1537 }
1538 
1539 static void gd_ungrab_pointer(GtkDisplayState *s)
1540 {
1541     VirtualConsole *vc = s->ptr_owner;
1542     GdkDisplay *display;
1543 
1544     if (vc == NULL) {
1545         return;
1546     }
1547     s->ptr_owner = NULL;
1548 
1549     display = gtk_widget_get_display(vc->gfx.drawing_area);
1550     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1551     gdk_device_warp(gd_get_pointer(display),
1552                     gtk_widget_get_screen(vc->gfx.drawing_area),
1553                     vc->s->grab_x_root, vc->s->grab_y_root);
1554     gd_update_caption(s);
1555     trace_gd_ungrab(vc->label, "ptr");
1556 }
1557 
1558 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1559 {
1560     GtkDisplayState *s = opaque;
1561     VirtualConsole *vc = gd_vc_find_current(s);
1562 
1563     if (gd_is_grab_active(s)) {
1564         gd_grab_keyboard(vc, "user-request-main-window");
1565         gd_grab_pointer(vc, "user-request-main-window");
1566     } else {
1567         gd_ungrab_keyboard(s);
1568         gd_ungrab_pointer(s);
1569     }
1570 
1571     gd_update_cursor(vc);
1572 }
1573 
1574 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1575                            gpointer data)
1576 {
1577     GtkDisplayState *s = data;
1578     VirtualConsole *vc;
1579     gboolean on_vga;
1580 
1581     if (!gtk_widget_get_realized(s->notebook)) {
1582         return;
1583     }
1584 
1585     vc = gd_vc_find_by_page(s, arg2);
1586     if (!vc) {
1587         return;
1588     }
1589     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1590                                    TRUE);
1591     on_vga = (vc->type == GD_VC_GFX &&
1592               qemu_console_is_graphic(vc->gfx.dcl.con));
1593     if (!on_vga) {
1594         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1595                                        FALSE);
1596     } else if (s->full_screen) {
1597         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1598                                        TRUE);
1599     }
1600     gtk_widget_set_sensitive(s->grab_item, on_vga);
1601 #ifdef CONFIG_VTE
1602     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1603 #endif
1604 
1605     gd_update_windowsize(vc);
1606     gd_update_cursor(vc);
1607 }
1608 
1609 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1610                                gpointer opaque)
1611 {
1612     VirtualConsole *vc = opaque;
1613     GtkDisplayState *s = vc->s;
1614 
1615     if (gd_grab_on_hover(s)) {
1616         gd_grab_keyboard(vc, "grab-on-hover");
1617     }
1618     return TRUE;
1619 }
1620 
1621 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1622                                gpointer opaque)
1623 {
1624     VirtualConsole *vc = opaque;
1625     GtkDisplayState *s = vc->s;
1626 
1627     if (gd_grab_on_hover(s)) {
1628         gd_ungrab_keyboard(s);
1629     }
1630     return TRUE;
1631 }
1632 
1633 static gboolean gd_focus_in_event(GtkWidget *widget,
1634                                   GdkEventFocus *event, gpointer opaque)
1635 {
1636     VirtualConsole *vc = opaque;
1637 
1638     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1639     return TRUE;
1640 }
1641 
1642 static gboolean gd_focus_out_event(GtkWidget *widget,
1643                                    GdkEventFocus *event, gpointer opaque)
1644 {
1645     VirtualConsole *vc = opaque;
1646     GtkDisplayState *s = vc->s;
1647 
1648     win32_kbd_set_window(NULL);
1649     gtk_release_modifiers(s);
1650     return TRUE;
1651 }
1652 
1653 static gboolean gd_configure(GtkWidget *widget,
1654                              GdkEventConfigure *cfg, gpointer opaque)
1655 {
1656     VirtualConsole *vc = opaque;
1657 
1658     gd_set_ui_info(vc, cfg->width, cfg->height);
1659     return FALSE;
1660 }
1661 
1662 /** Virtual Console Callbacks **/
1663 
1664 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1665                                int idx, GSList *group, GtkWidget *view_menu)
1666 {
1667     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1668     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1669             HOTKEY_MODIFIERS, 0,
1670             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1671     gtk_accel_label_set_accel(
1672             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1673             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1674 
1675     g_signal_connect(vc->menu_item, "activate",
1676                      G_CALLBACK(gd_menu_switch_vc), s);
1677     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1678 
1679     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1680 }
1681 
1682 #if defined(CONFIG_VTE)
1683 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1684 {
1685     GtkDisplayState *s = opaque;
1686     VirtualConsole *vc = gd_vc_find_current(s);
1687 
1688 #if VTE_CHECK_VERSION(0, 50, 0)
1689     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1690                                        VTE_FORMAT_TEXT);
1691 #else
1692     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1693 #endif
1694 }
1695 
1696 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1697 {
1698     VirtualConsole *vc = opaque;
1699 
1700     if (gtk_adjustment_get_upper(adjustment) >
1701         gtk_adjustment_get_page_size(adjustment)) {
1702         gtk_widget_show(vc->vte.scrollbar);
1703     } else {
1704         gtk_widget_hide(vc->vte.scrollbar);
1705     }
1706 }
1707 
1708 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1709 {
1710     VCChardev *vcd = VC_CHARDEV(chr);
1711     VirtualConsole *vc = vcd->console;
1712 
1713     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1714     return len;
1715 }
1716 
1717 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1718 {
1719     VCChardev *vcd = VC_CHARDEV(chr);
1720     VirtualConsole *vc = vcd->console;
1721 
1722     if (vc) {
1723         vc->vte.echo = echo;
1724     } else {
1725         vcd->echo = echo;
1726     }
1727 }
1728 
1729 static int nb_vcs;
1730 static Chardev *vcs[MAX_VCS];
1731 static void gd_vc_open(Chardev *chr,
1732                        ChardevBackend *backend,
1733                        bool *be_opened,
1734                        Error **errp)
1735 {
1736     if (nb_vcs == MAX_VCS) {
1737         error_setg(errp, "Maximum number of consoles reached");
1738         return;
1739     }
1740 
1741     vcs[nb_vcs++] = chr;
1742 
1743     /* console/chardev init sometimes completes elsewhere in a 2nd
1744      * stage, so defer OPENED events until they are fully initialized
1745      */
1746     *be_opened = false;
1747 }
1748 
1749 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1750 {
1751     ChardevClass *cc = CHARDEV_CLASS(oc);
1752 
1753     cc->parse = qemu_chr_parse_vc;
1754     cc->open = gd_vc_open;
1755     cc->chr_write = gd_vc_chr_write;
1756     cc->chr_set_echo = gd_vc_chr_set_echo;
1757 }
1758 
1759 static const TypeInfo char_gd_vc_type_info = {
1760     .name = TYPE_CHARDEV_VC,
1761     .parent = TYPE_CHARDEV,
1762     .instance_size = sizeof(VCChardev),
1763     .class_init = char_gd_vc_class_init,
1764 };
1765 
1766 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1767                          gpointer user_data)
1768 {
1769     VirtualConsole *vc = user_data;
1770 
1771     if (vc->vte.echo) {
1772         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1773         int i;
1774         for (i = 0; i < size; i++) {
1775             uint8_t c = text[i];
1776             if (c >= 128 || isprint(c)) {
1777                 /* 8-bit characters are considered printable.  */
1778                 vte_terminal_feed(term, &text[i], 1);
1779             } else if (c == '\r' || c == '\n') {
1780                 vte_terminal_feed(term, "\r\n", 2);
1781             } else {
1782                 char ctrl[2] = { '^', 0};
1783                 ctrl[1] = text[i] ^ 64;
1784                 vte_terminal_feed(term, ctrl, 2);
1785             }
1786         }
1787     }
1788 
1789     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1790     return TRUE;
1791 }
1792 
1793 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1794                               Chardev *chr, int idx,
1795                               GSList *group, GtkWidget *view_menu)
1796 {
1797     char buffer[32];
1798     GtkWidget *box;
1799     GtkWidget *scrollbar;
1800     GtkAdjustment *vadjustment;
1801     VCChardev *vcd = VC_CHARDEV(chr);
1802 
1803     vc->s = s;
1804     vc->vte.echo = vcd->echo;
1805     vc->vte.chr = chr;
1806     vcd->console = vc;
1807 
1808     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1809     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1810                                 ? vc->vte.chr->label : buffer);
1811     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1812 
1813     vc->vte.terminal = vte_terminal_new();
1814     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1815 
1816     /* The documentation says that the default is UTF-8, but actually it is
1817      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1818      * VTE 0.54 (only UTF-8 is supported now). */
1819 #if !VTE_CHECK_VERSION(0, 54, 0)
1820 #if VTE_CHECK_VERSION(0, 38, 0)
1821     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1822 #else
1823     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1824 #endif
1825 #endif
1826 
1827     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1828     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1829                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1830 
1831 #if VTE_CHECK_VERSION(0, 28, 0)
1832     vadjustment = gtk_scrollable_get_vadjustment
1833         (GTK_SCROLLABLE(vc->vte.terminal));
1834 #else
1835     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1836 #endif
1837 
1838     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1839     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1840 
1841     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1842     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1843 
1844     vc->vte.box = box;
1845     vc->vte.scrollbar = scrollbar;
1846 
1847     g_signal_connect(vadjustment, "changed",
1848                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1849 
1850     vc->type = GD_VC_VTE;
1851     vc->tab_item = box;
1852     vc->focus = vc->vte.terminal;
1853     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1854                              gtk_label_new(vc->label));
1855 
1856     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1857 
1858     return group;
1859 }
1860 
1861 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1862                         GtkWidget *view_menu)
1863 {
1864     int i;
1865 
1866     for (i = 0; i < nb_vcs; i++) {
1867         VirtualConsole *vc = &s->vc[s->nb_vcs];
1868         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1869         s->nb_vcs++;
1870     }
1871 }
1872 #endif /* CONFIG_VTE */
1873 
1874 /** Window Creation **/
1875 
1876 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1877 {
1878     g_signal_connect(vc->gfx.drawing_area, "draw",
1879                      G_CALLBACK(gd_draw_event), vc);
1880 #if defined(CONFIG_OPENGL)
1881     if (gtk_use_gl_area) {
1882         /* wire up GtkGlArea events */
1883         g_signal_connect(vc->gfx.drawing_area, "render",
1884                          G_CALLBACK(gd_render_event), vc);
1885         g_signal_connect(vc->gfx.drawing_area, "resize",
1886                          G_CALLBACK(gd_resize_event), vc);
1887     }
1888 #endif
1889     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1890         g_signal_connect(vc->gfx.drawing_area, "event",
1891                          G_CALLBACK(gd_event), vc);
1892         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1893                          G_CALLBACK(gd_button_event), vc);
1894         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1895                          G_CALLBACK(gd_button_event), vc);
1896         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1897                          G_CALLBACK(gd_scroll_event), vc);
1898         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1899                          G_CALLBACK(gd_key_event), vc);
1900         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1901                          G_CALLBACK(gd_key_event), vc);
1902 
1903         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1904                          G_CALLBACK(gd_enter_event), vc);
1905         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1906                          G_CALLBACK(gd_leave_event), vc);
1907         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1908                          G_CALLBACK(gd_focus_in_event), vc);
1909         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1910                          G_CALLBACK(gd_focus_out_event), vc);
1911         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1912                          G_CALLBACK(gd_configure), vc);
1913         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1914                          G_CALLBACK(gd_grab_broken_event), vc);
1915     } else {
1916         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1917                          G_CALLBACK(gd_text_key_down), vc);
1918     }
1919 }
1920 
1921 static void gd_connect_signals(GtkDisplayState *s)
1922 {
1923     g_signal_connect(s->show_tabs_item, "activate",
1924                      G_CALLBACK(gd_menu_show_tabs), s);
1925     g_signal_connect(s->untabify_item, "activate",
1926                      G_CALLBACK(gd_menu_untabify), s);
1927     g_signal_connect(s->show_menubar_item, "activate",
1928                      G_CALLBACK(gd_menu_show_menubar), s);
1929 
1930     g_signal_connect(s->window, "delete-event",
1931                      G_CALLBACK(gd_window_close), s);
1932 
1933     g_signal_connect(s->pause_item, "activate",
1934                      G_CALLBACK(gd_menu_pause), s);
1935     g_signal_connect(s->reset_item, "activate",
1936                      G_CALLBACK(gd_menu_reset), s);
1937     g_signal_connect(s->powerdown_item, "activate",
1938                      G_CALLBACK(gd_menu_powerdown), s);
1939     g_signal_connect(s->quit_item, "activate",
1940                      G_CALLBACK(gd_menu_quit), s);
1941 #if defined(CONFIG_VTE)
1942     g_signal_connect(s->copy_item, "activate",
1943                      G_CALLBACK(gd_menu_copy), s);
1944 #endif
1945     g_signal_connect(s->full_screen_item, "activate",
1946                      G_CALLBACK(gd_menu_full_screen), s);
1947     g_signal_connect(s->zoom_in_item, "activate",
1948                      G_CALLBACK(gd_menu_zoom_in), s);
1949     g_signal_connect(s->zoom_out_item, "activate",
1950                      G_CALLBACK(gd_menu_zoom_out), s);
1951     g_signal_connect(s->zoom_fixed_item, "activate",
1952                      G_CALLBACK(gd_menu_zoom_fixed), s);
1953     g_signal_connect(s->zoom_fit_item, "activate",
1954                      G_CALLBACK(gd_menu_zoom_fit), s);
1955     g_signal_connect(s->grab_item, "activate",
1956                      G_CALLBACK(gd_menu_grab_input), s);
1957     g_signal_connect(s->notebook, "switch-page",
1958                      G_CALLBACK(gd_change_page), s);
1959 }
1960 
1961 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1962 {
1963     GtkWidget *machine_menu;
1964     GtkWidget *separator;
1965 
1966     machine_menu = gtk_menu_new();
1967     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1968 
1969     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1970     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1971 
1972     separator = gtk_separator_menu_item_new();
1973     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1974 
1975     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1976     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1977 
1978     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1979     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1980 
1981     separator = gtk_separator_menu_item_new();
1982     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1983 
1984     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1985     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1986                                  "<QEMU>/Machine/Quit");
1987     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1988                             GDK_KEY_q, HOTKEY_MODIFIERS);
1989     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1990 
1991     return machine_menu;
1992 }
1993 
1994 #if defined(CONFIG_OPENGL)
1995 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
1996 {
1997     gtk_gl_area_make_current(area);
1998     qemu_egl_display = eglGetCurrentDisplay();
1999     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2000     if (!vc->gfx.has_dmabuf) {
2001         error_report("GtkGLArea console lacks DMABUF support.");
2002     }
2003 }
2004 #endif
2005 
2006 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2007                               QemuConsole *con, int idx,
2008                               GSList *group, GtkWidget *view_menu)
2009 {
2010     bool zoom_to_fit = false;
2011 
2012     vc->label = qemu_console_get_label(con);
2013     vc->s = s;
2014     vc->gfx.scale_x = 1.0;
2015     vc->gfx.scale_y = 1.0;
2016 
2017 #if defined(CONFIG_OPENGL)
2018     if (display_opengl) {
2019         if (gtk_use_gl_area) {
2020             vc->gfx.drawing_area = gtk_gl_area_new();
2021             g_signal_connect(vc->gfx.drawing_area, "realize",
2022                              G_CALLBACK(gl_area_realize), vc);
2023             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2024         } else {
2025             vc->gfx.drawing_area = gtk_drawing_area_new();
2026             /*
2027              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2028              * It is required for opengl rendering on X11 though.  A
2029              * proper replacement (native opengl support) is only
2030              * available in 3.16+.  Silence the warning if possible.
2031              */
2032 #pragma GCC diagnostic push
2033 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2034             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2035 #pragma GCC diagnostic pop
2036             vc->gfx.dcl.ops = &dcl_egl_ops;
2037             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2038         }
2039     } else
2040 #endif
2041     {
2042         vc->gfx.drawing_area = gtk_drawing_area_new();
2043         vc->gfx.dcl.ops = &dcl_ops;
2044     }
2045 
2046 
2047     gtk_widget_add_events(vc->gfx.drawing_area,
2048                           GDK_POINTER_MOTION_MASK |
2049                           GDK_BUTTON_PRESS_MASK |
2050                           GDK_BUTTON_RELEASE_MASK |
2051                           GDK_BUTTON_MOTION_MASK |
2052                           GDK_ENTER_NOTIFY_MASK |
2053                           GDK_LEAVE_NOTIFY_MASK |
2054                           GDK_SCROLL_MASK |
2055                           GDK_SMOOTH_SCROLL_MASK |
2056                           GDK_KEY_PRESS_MASK);
2057     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2058 
2059     vc->type = GD_VC_GFX;
2060     vc->tab_item = vc->gfx.drawing_area;
2061     vc->focus = vc->gfx.drawing_area;
2062     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2063                              vc->tab_item, gtk_label_new(vc->label));
2064 
2065     vc->gfx.kbd = qkbd_state_init(con);
2066     vc->gfx.dcl.con = con;
2067 
2068     register_displaychangelistener(&vc->gfx.dcl);
2069 
2070     gd_connect_vc_gfx_signals(vc);
2071     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2072 
2073     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2074         zoom_to_fit = true;
2075     }
2076     if (s->opts->u.gtk.has_zoom_to_fit) {
2077         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2078     }
2079     if (zoom_to_fit) {
2080         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2081         s->free_scale = true;
2082     }
2083 
2084     return group;
2085 }
2086 
2087 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2088 {
2089     GSList *group = NULL;
2090     GtkWidget *view_menu;
2091     GtkWidget *separator;
2092     QemuConsole *con;
2093     int vc;
2094 
2095     view_menu = gtk_menu_new();
2096     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2097 
2098     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2099 
2100 #if defined(CONFIG_VTE)
2101     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2102     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2103 #endif
2104 
2105     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2106             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2107     gtk_accel_label_set_accel(
2108             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2109             GDK_KEY_f, HOTKEY_MODIFIERS);
2110     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2111 
2112     separator = gtk_separator_menu_item_new();
2113     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2114 
2115     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2116     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2117                                  "<QEMU>/View/Zoom In");
2118     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2119                             HOTKEY_MODIFIERS);
2120     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2121             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2122     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2123 
2124     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2125     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2126                                  "<QEMU>/View/Zoom Out");
2127     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2128                             HOTKEY_MODIFIERS);
2129     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2130 
2131     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2132     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2133                                  "<QEMU>/View/Zoom Fixed");
2134     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2135                             HOTKEY_MODIFIERS);
2136     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2137 
2138     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2139     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2140 
2141     separator = gtk_separator_menu_item_new();
2142     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2143 
2144     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2145     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2146 
2147     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2148     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2149                                  "<QEMU>/View/Grab Input");
2150     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2151                             HOTKEY_MODIFIERS);
2152     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2153 
2154     separator = gtk_separator_menu_item_new();
2155     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2156 
2157     /* gfx */
2158     for (vc = 0;; vc++) {
2159         con = qemu_console_lookup_by_index(vc);
2160         if (!con) {
2161             break;
2162         }
2163         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2164                                vc, group, view_menu);
2165         s->nb_vcs++;
2166     }
2167 
2168 #if defined(CONFIG_VTE)
2169     /* vte */
2170     gd_vcs_init(s, group, view_menu);
2171 #endif
2172 
2173     separator = gtk_separator_menu_item_new();
2174     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2175 
2176     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2177     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2178 
2179     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2180     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2181 
2182     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2183             _("Show Menubar"));
2184     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2185                                    TRUE);
2186     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2187             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2188     gtk_accel_label_set_accel(
2189             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2190             GDK_KEY_m, HOTKEY_MODIFIERS);
2191     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2192 
2193     return view_menu;
2194 }
2195 
2196 static void gd_create_menus(GtkDisplayState *s)
2197 {
2198     GtkSettings *settings;
2199 
2200     s->accel_group = gtk_accel_group_new();
2201     s->machine_menu = gd_create_menu_machine(s);
2202     s->view_menu = gd_create_menu_view(s);
2203 
2204     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2205     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2206                               s->machine_menu);
2207     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2208 
2209     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2210     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2211     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2212 
2213     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2214     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2215 
2216     /* Disable the default "F10" menu shortcut. */
2217     settings = gtk_widget_get_settings(s->window);
2218     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2219 }
2220 
2221 
2222 static gboolean gtkinit;
2223 
2224 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2225 {
2226     VirtualConsole *vc;
2227 
2228     GtkDisplayState *s = g_malloc0(sizeof(*s));
2229     GdkDisplay *window_display;
2230     GtkIconTheme *theme;
2231     char *dir;
2232 
2233     if (!gtkinit) {
2234         fprintf(stderr, "gtk initialization failed\n");
2235         exit(1);
2236     }
2237     assert(opts->type == DISPLAY_TYPE_GTK);
2238     s->opts = opts;
2239 
2240     theme = gtk_icon_theme_get_default();
2241     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2242     gtk_icon_theme_prepend_search_path(theme, dir);
2243     g_free(dir);
2244     g_set_prgname("qemu");
2245 
2246     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2247     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2248     s->notebook = gtk_notebook_new();
2249     s->menu_bar = gtk_menu_bar_new();
2250 
2251     s->free_scale = FALSE;
2252 
2253     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2254      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2255      * printable, but without changing any of the character classes to make
2256      * sure that we don't accidentally break implicit assumptions.  */
2257     setlocale(LC_MESSAGES, "");
2258     setlocale(LC_CTYPE, "C.UTF-8");
2259     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2260     bindtextdomain("qemu", dir);
2261     g_free(dir);
2262     bind_textdomain_codeset("qemu", "UTF-8");
2263     textdomain("qemu");
2264 
2265     window_display = gtk_widget_get_display(s->window);
2266     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2267         s->null_cursor = NULL; /* default pointer */
2268     } else {
2269         s->null_cursor = gdk_cursor_new_for_display(window_display,
2270                                                     GDK_BLANK_CURSOR);
2271     }
2272 
2273     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2274     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2275     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2276 
2277     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2278 
2279     gd_create_menus(s);
2280 
2281     gd_connect_signals(s);
2282 
2283     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2284     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2285 
2286     gd_update_caption(s);
2287 
2288     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2289     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2290 
2291     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2292 
2293     gtk_widget_show_all(s->window);
2294 
2295     vc = gd_vc_find_current(s);
2296     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2297 #ifdef CONFIG_VTE
2298     gtk_widget_set_sensitive(s->copy_item,
2299                              vc && vc->type == GD_VC_VTE);
2300 #endif
2301 
2302     if (opts->has_full_screen &&
2303         opts->full_screen) {
2304         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2305     }
2306     if (opts->u.gtk.has_grab_on_hover &&
2307         opts->u.gtk.grab_on_hover) {
2308         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2309     }
2310 }
2311 
2312 static void early_gtk_display_init(DisplayOptions *opts)
2313 {
2314     /* The QEMU code relies on the assumption that it's always run in
2315      * the C locale. Therefore it is not prepared to deal with
2316      * operations that produce different results depending on the
2317      * locale, such as printf's formatting of decimal numbers, and
2318      * possibly others.
2319      *
2320      * Since GTK+ calls setlocale() by default -importing the locale
2321      * settings from the environment- we must prevent it from doing so
2322      * using gtk_disable_setlocale().
2323      *
2324      * QEMU's GTK+ UI, however, _does_ have translations for some of
2325      * the menu items. As a trade-off between a functionally correct
2326      * QEMU and a fully internationalized UI we support importing
2327      * LC_MESSAGES from the environment (see the setlocale() call
2328      * earlier in this file). This allows us to display translated
2329      * messages leaving everything else untouched.
2330      */
2331     gtk_disable_setlocale();
2332     gtkinit = gtk_init_check(NULL, NULL);
2333     if (!gtkinit) {
2334         /* don't exit yet, that'll break -help */
2335         return;
2336     }
2337 
2338     assert(opts->type == DISPLAY_TYPE_GTK);
2339     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2340 #if defined(CONFIG_OPENGL)
2341 #if defined(GDK_WINDOWING_WAYLAND)
2342         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2343             gtk_use_gl_area = true;
2344             gtk_gl_area_init();
2345         } else
2346 #endif
2347         {
2348             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2349             gtk_egl_init(mode);
2350         }
2351 #endif
2352     }
2353 
2354     keycode_map = gd_get_keymap(&keycode_maplen);
2355 
2356 #if defined(CONFIG_VTE)
2357     type_register(&char_gd_vc_type_info);
2358 #endif
2359 }
2360 
2361 static QemuDisplay qemu_display_gtk = {
2362     .type       = DISPLAY_TYPE_GTK,
2363     .early_init = early_gtk_display_init,
2364     .init       = gtk_display_init,
2365 };
2366 
2367 static void register_gtk(void)
2368 {
2369     qemu_display_register(&qemu_display_gtk);
2370 }
2371 
2372 type_init(register_gtk);
2373