xref: /openbmc/qemu/ui/gtk.c (revision b5a087b071b6d4752234d8c190cc7f22f44ec2e9)
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 #ifdef CONFIG_X11
661 
662 static const DisplayChangeListenerOps dcl_egl_ops = {
663     .dpy_name             = "gtk-egl",
664     .dpy_gfx_update       = gd_egl_update,
665     .dpy_gfx_switch       = gd_egl_switch,
666     .dpy_gfx_check_format = console_gl_check_format,
667     .dpy_refresh          = gd_egl_refresh,
668     .dpy_mouse_set        = gd_mouse_set,
669     .dpy_cursor_define    = gd_cursor_define,
670 
671     .dpy_gl_ctx_create       = gd_egl_create_context,
672     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
673     .dpy_gl_ctx_make_current = gd_egl_make_current,
674     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
675     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
676     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
677     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
678     .dpy_gl_cursor_position  = gd_egl_cursor_position,
679     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
680     .dpy_gl_update           = gd_egl_scanout_flush,
681     .dpy_has_dmabuf          = gd_has_dmabuf,
682 };
683 
684 #endif
685 
686 #endif /* CONFIG_OPENGL */
687 
688 /** QEMU Events **/
689 
690 static void gd_change_runstate(void *opaque, int running, RunState state)
691 {
692     GtkDisplayState *s = opaque;
693 
694     gd_update_caption(s);
695 }
696 
697 static void gd_mouse_mode_change(Notifier *notify, void *data)
698 {
699     GtkDisplayState *s;
700     int i;
701 
702     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
703     /* release the grab at switching to absolute mode */
704     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
705         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
706                                        FALSE);
707     }
708     for (i = 0; i < s->nb_vcs; i++) {
709         VirtualConsole *vc = &s->vc[i];
710         gd_update_cursor(vc);
711     }
712 }
713 
714 /** GTK Events **/
715 
716 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
717                                 void *opaque)
718 {
719     GtkDisplayState *s = opaque;
720     bool allow_close = true;
721 
722     if (s->opts->has_window_close && !s->opts->window_close) {
723         allow_close = false;
724     }
725 
726     if (allow_close) {
727         qmp_quit(NULL);
728     }
729 
730     return TRUE;
731 }
732 
733 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
734 {
735     QemuUIInfo info;
736 
737     memset(&info, 0, sizeof(info));
738     info.width = width;
739     info.height = height;
740     dpy_set_ui_info(vc->gfx.dcl.con, &info);
741 }
742 
743 #if defined(CONFIG_OPENGL)
744 
745 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
746                                 void *opaque)
747 {
748     VirtualConsole *vc = opaque;
749 
750     if (vc->gfx.gls) {
751         gd_gl_area_draw(vc);
752     }
753     return TRUE;
754 }
755 
756 static void gd_resize_event(GtkGLArea *area,
757                             gint width, gint height, gpointer *opaque)
758 {
759     VirtualConsole *vc = (void *)opaque;
760 
761     gd_set_ui_info(vc, width, height);
762 }
763 
764 #endif
765 
766 /*
767  * If available, return the update interval of the monitor in ms,
768  * else return 0 (the default update interval).
769  */
770 int gd_monitor_update_interval(GtkWidget *widget)
771 {
772 #ifdef GDK_VERSION_3_22
773     GdkWindow *win = gtk_widget_get_window(widget);
774 
775     if (win) {
776         GdkDisplay *dpy = gtk_widget_get_display(widget);
777         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
778         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
779 
780         if (refresh_rate) {
781             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
782             return MIN(1000 * 1000 / refresh_rate,
783                        GUI_REFRESH_INTERVAL_DEFAULT);
784         }
785     }
786 #endif
787     return 0;
788 }
789 
790 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
791 {
792     VirtualConsole *vc = opaque;
793     GtkDisplayState *s = vc->s;
794     int mx, my;
795     int ww, wh;
796     int fbw, fbh;
797 
798 #if defined(CONFIG_OPENGL)
799     if (vc->gfx.gls) {
800         if (gtk_use_gl_area) {
801             /* invoke render callback please */
802             return FALSE;
803         } else {
804 #ifdef CONFIG_X11
805             gd_egl_draw(vc);
806             return TRUE;
807 #else
808             abort();
809 #endif
810         }
811     }
812 #endif
813 
814     if (!gtk_widget_get_realized(widget)) {
815         return FALSE;
816     }
817     if (!vc->gfx.ds) {
818         return FALSE;
819     }
820 
821     vc->gfx.dcl.update_interval =
822         gd_monitor_update_interval(vc->window ? vc->window : s->window);
823 
824     fbw = surface_width(vc->gfx.ds);
825     fbh = surface_height(vc->gfx.ds);
826 
827     ww = gdk_window_get_width(gtk_widget_get_window(widget));
828     wh = gdk_window_get_height(gtk_widget_get_window(widget));
829 
830     if (s->full_screen) {
831         vc->gfx.scale_x = (double)ww / fbw;
832         vc->gfx.scale_y = (double)wh / fbh;
833     } else if (s->free_scale) {
834         double sx, sy;
835 
836         sx = (double)ww / fbw;
837         sy = (double)wh / fbh;
838 
839         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
840     }
841 
842     fbw *= vc->gfx.scale_x;
843     fbh *= vc->gfx.scale_y;
844 
845     mx = my = 0;
846     if (ww > fbw) {
847         mx = (ww - fbw) / 2;
848     }
849     if (wh > fbh) {
850         my = (wh - fbh) / 2;
851     }
852 
853     cairo_rectangle(cr, 0, 0, ww, wh);
854 
855     /* Optionally cut out the inner area where the pixmap
856        will be drawn. This avoids 'flashing' since we're
857        not double-buffering. Note we're using the undocumented
858        behaviour of drawing the rectangle from right to left
859        to cut out the whole */
860     cairo_rectangle(cr, mx + fbw, my,
861                     -1 * fbw, fbh);
862     cairo_fill(cr);
863 
864     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
865     cairo_set_source_surface(cr, vc->gfx.surface,
866                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
867     cairo_paint(cr);
868 
869     return TRUE;
870 }
871 
872 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
873                                 void *opaque)
874 {
875     VirtualConsole *vc = opaque;
876     GtkDisplayState *s = vc->s;
877     int x, y;
878     int mx, my;
879     int fbh, fbw;
880     int ww, wh;
881 
882     if (!vc->gfx.ds) {
883         return TRUE;
884     }
885 
886     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
887     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
888 
889     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
890     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
891 
892     mx = my = 0;
893     if (ww > fbw) {
894         mx = (ww - fbw) / 2;
895     }
896     if (wh > fbh) {
897         my = (wh - fbh) / 2;
898     }
899 
900     x = (motion->x - mx) / vc->gfx.scale_x;
901     y = (motion->y - my) / vc->gfx.scale_y;
902 
903     if (qemu_input_is_absolute()) {
904         if (x < 0 || y < 0 ||
905             x >= surface_width(vc->gfx.ds) ||
906             y >= surface_height(vc->gfx.ds)) {
907             return TRUE;
908         }
909         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
910                              0, surface_width(vc->gfx.ds));
911         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
912                              0, surface_height(vc->gfx.ds));
913         qemu_input_event_sync();
914     } else if (s->last_set && s->ptr_owner == vc) {
915         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
916         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
917         qemu_input_event_sync();
918     }
919     s->last_x = x;
920     s->last_y = y;
921     s->last_set = TRUE;
922 
923     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
924         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
925         GdkDisplay *dpy = gtk_widget_get_display(widget);
926         GdkWindow *win = gtk_widget_get_window(widget);
927         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
928         GdkRectangle geometry;
929         int screen_width, screen_height;
930 
931         int x = (int)motion->x_root;
932         int y = (int)motion->y_root;
933 
934         gdk_monitor_get_geometry(monitor, &geometry);
935         screen_width = geometry.width;
936         screen_height = geometry.height;
937 
938         /* In relative mode check to see if client pointer hit
939          * one of the screen edges, and if so move it back by
940          * 200 pixels. This is important because the pointer
941          * in the server doesn't correspond 1-for-1, and so
942          * may still be only half way across the screen. Without
943          * this warp, the server pointer would thus appear to hit
944          * an invisible wall */
945         if (x == 0) {
946             x += 200;
947         }
948         if (y == 0) {
949             y += 200;
950         }
951         if (x == (screen_width - 1)) {
952             x -= 200;
953         }
954         if (y == (screen_height - 1)) {
955             y -= 200;
956         }
957 
958         if (x != (int)motion->x_root || y != (int)motion->y_root) {
959             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
960             gdk_device_warp(dev, screen, x, y);
961             s->last_set = FALSE;
962             return FALSE;
963         }
964     }
965     return TRUE;
966 }
967 
968 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
969                                 void *opaque)
970 {
971     VirtualConsole *vc = opaque;
972     GtkDisplayState *s = vc->s;
973     InputButton btn;
974 
975     /* implicitly grab the input at the first click in the relative mode */
976     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
977         !qemu_input_is_absolute() && s->ptr_owner != vc) {
978         if (!vc->window) {
979             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
980                                            TRUE);
981         } else {
982             gd_grab_pointer(vc, "relative-mode-click");
983         }
984         return TRUE;
985     }
986 
987     if (button->button == 1) {
988         btn = INPUT_BUTTON_LEFT;
989     } else if (button->button == 2) {
990         btn = INPUT_BUTTON_MIDDLE;
991     } else if (button->button == 3) {
992         btn = INPUT_BUTTON_RIGHT;
993     } else if (button->button == 8) {
994         btn = INPUT_BUTTON_SIDE;
995     } else if (button->button == 9) {
996         btn = INPUT_BUTTON_EXTRA;
997     } else {
998         return TRUE;
999     }
1000 
1001     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1002                          button->type == GDK_BUTTON_PRESS);
1003     qemu_input_event_sync();
1004     return TRUE;
1005 }
1006 
1007 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1008                                 void *opaque)
1009 {
1010     VirtualConsole *vc = opaque;
1011     InputButton btn;
1012 
1013     if (scroll->direction == GDK_SCROLL_UP) {
1014         btn = INPUT_BUTTON_WHEEL_UP;
1015     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1016         btn = INPUT_BUTTON_WHEEL_DOWN;
1017     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1018         gdouble delta_x, delta_y;
1019         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1020                                          &delta_x, &delta_y)) {
1021             return TRUE;
1022         }
1023         if (delta_y == 0) {
1024             return TRUE;
1025         } else if (delta_y > 0) {
1026             btn = INPUT_BUTTON_WHEEL_DOWN;
1027         } else {
1028             btn = INPUT_BUTTON_WHEEL_UP;
1029         }
1030     } else {
1031         return TRUE;
1032     }
1033 
1034     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1035     qemu_input_event_sync();
1036     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1037     qemu_input_event_sync();
1038     return TRUE;
1039 }
1040 
1041 
1042 static const guint16 *gd_get_keymap(size_t *maplen)
1043 {
1044     GdkDisplay *dpy = gdk_display_get_default();
1045 
1046 #ifdef GDK_WINDOWING_X11
1047     if (GDK_IS_X11_DISPLAY(dpy)) {
1048         trace_gd_keymap_windowing("x11");
1049         return qemu_xkeymap_mapping_table(
1050             gdk_x11_display_get_xdisplay(dpy), maplen);
1051     }
1052 #endif
1053 
1054 #ifdef GDK_WINDOWING_WAYLAND
1055     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1056         trace_gd_keymap_windowing("wayland");
1057         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1058         return qemu_input_map_xorgevdev_to_qcode;
1059     }
1060 #endif
1061 
1062 #ifdef GDK_WINDOWING_WIN32
1063     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1064         trace_gd_keymap_windowing("win32");
1065         *maplen = qemu_input_map_atset1_to_qcode_len;
1066         return qemu_input_map_atset1_to_qcode;
1067     }
1068 #endif
1069 
1070 #ifdef GDK_WINDOWING_QUARTZ
1071     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1072         trace_gd_keymap_windowing("quartz");
1073         *maplen = qemu_input_map_osx_to_qcode_len;
1074         return qemu_input_map_osx_to_qcode;
1075     }
1076 #endif
1077 
1078 #ifdef GDK_WINDOWING_BROADWAY
1079     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1080         trace_gd_keymap_windowing("broadway");
1081         g_warning("experimental: using broadway, x11 virtual keysym\n"
1082                   "mapping - with very limited support. See also\n"
1083                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1084         *maplen = qemu_input_map_x11_to_qcode_len;
1085         return qemu_input_map_x11_to_qcode;
1086     }
1087 #endif
1088 
1089     g_warning("Unsupported GDK Windowing platform.\n"
1090               "Disabling extended keycode tables.\n"
1091               "Please report to qemu-devel@nongnu.org\n"
1092               "including the following information:\n"
1093               "\n"
1094               "  - Operating system\n"
1095               "  - GDK Windowing system build\n");
1096     return NULL;
1097 }
1098 
1099 
1100 static int gd_map_keycode(int scancode)
1101 {
1102     if (!keycode_map) {
1103         return 0;
1104     }
1105     if (scancode > keycode_maplen) {
1106         return 0;
1107     }
1108 
1109     return keycode_map[scancode];
1110 }
1111 
1112 static int gd_get_keycode(GdkEventKey *key)
1113 {
1114 #ifdef G_OS_WIN32
1115     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1116 
1117     /* translate Windows native scancodes to atset1 keycodes */
1118     switch (scancode & (KF_EXTENDED | 0xff)) {
1119     case 0x145:     /* NUMLOCK */
1120         return scancode & 0xff;
1121     }
1122 
1123     return scancode & KF_EXTENDED ?
1124         0xe000 | (scancode & 0xff) : scancode & 0xff;
1125 
1126 #else
1127     return key->hardware_keycode;
1128 #endif
1129 }
1130 
1131 static gboolean gd_text_key_down(GtkWidget *widget,
1132                                  GdkEventKey *key, void *opaque)
1133 {
1134     VirtualConsole *vc = opaque;
1135     QemuConsole *con = vc->gfx.dcl.con;
1136 
1137     if (key->keyval == GDK_KEY_Delete) {
1138         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1139     } else if (key->length) {
1140         kbd_put_string_console(con, key->string, key->length);
1141     } else {
1142         int qcode = gd_map_keycode(gd_get_keycode(key));
1143         kbd_put_qcode_console(con, qcode, false);
1144     }
1145     return TRUE;
1146 }
1147 
1148 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1149 {
1150     VirtualConsole *vc = opaque;
1151     int keycode, qcode;
1152 
1153 #ifdef G_OS_WIN32
1154     /* on windows, we ought to ignore the reserved key event? */
1155     if (key->hardware_keycode == 0xff)
1156         return false;
1157 
1158     if (!vc->s->kbd_owner) {
1159         if (key->hardware_keycode == VK_LWIN ||
1160             key->hardware_keycode == VK_RWIN) {
1161             return FALSE;
1162         }
1163     }
1164 #endif
1165 
1166     if (key->keyval == GDK_KEY_Pause
1167 #ifdef G_OS_WIN32
1168         /* for some reason GDK does not fill keyval for VK_PAUSE
1169          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1170          */
1171         || key->hardware_keycode == VK_PAUSE
1172 #endif
1173         ) {
1174         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1175                              key->type == GDK_KEY_PRESS);
1176         return TRUE;
1177     }
1178 
1179     keycode = gd_get_keycode(key);
1180     qcode = gd_map_keycode(keycode);
1181 
1182     trace_gd_key_event(vc->label, keycode, qcode,
1183                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1184 
1185     qkbd_state_key_event(vc->gfx.kbd, qcode,
1186                          key->type == GDK_KEY_PRESS);
1187 
1188     return TRUE;
1189 }
1190 
1191 static gboolean gd_grab_broken_event(GtkWidget *widget,
1192                                      GdkEventGrabBroken *event, void *opaque)
1193 {
1194 #ifdef CONFIG_WIN32
1195     /*
1196      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1197      * key combination leaves all three keys in a stuck condition. We use
1198      * the grab-broken-event to release all keys.
1199      */
1200     if (event->keyboard) {
1201         VirtualConsole *vc = opaque;
1202         GtkDisplayState *s = vc->s;
1203 
1204         gtk_release_modifiers(s);
1205     }
1206 #endif
1207     return TRUE;
1208 }
1209 
1210 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1211 {
1212     if (event->type == GDK_MOTION_NOTIFY) {
1213         return gd_motion_event(widget, &event->motion, opaque);
1214     }
1215     return FALSE;
1216 }
1217 
1218 /** Window Menu Actions **/
1219 
1220 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1221 {
1222     GtkDisplayState *s = opaque;
1223 
1224     if (s->external_pause_update) {
1225         return;
1226     }
1227     if (runstate_is_running()) {
1228         qmp_stop(NULL);
1229     } else {
1230         qmp_cont(NULL);
1231     }
1232 }
1233 
1234 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1235 {
1236     qmp_system_reset(NULL);
1237 }
1238 
1239 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1240 {
1241     qmp_system_powerdown(NULL);
1242 }
1243 
1244 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1245 {
1246     qmp_quit(NULL);
1247 }
1248 
1249 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1250 {
1251     GtkDisplayState *s = opaque;
1252     VirtualConsole *vc = gd_vc_find_by_menu(s);
1253     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1254     gint page;
1255 
1256     gtk_release_modifiers(s);
1257     if (vc) {
1258         page = gtk_notebook_page_num(nb, vc->tab_item);
1259         gtk_notebook_set_current_page(nb, page);
1260         gtk_widget_grab_focus(vc->focus);
1261     }
1262 }
1263 
1264 static void gd_accel_switch_vc(void *opaque)
1265 {
1266     VirtualConsole *vc = opaque;
1267 
1268     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1269 }
1270 
1271 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1272 {
1273     GtkDisplayState *s = opaque;
1274     VirtualConsole *vc = gd_vc_find_current(s);
1275 
1276     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1277         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1278     } else {
1279         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1280     }
1281     gd_update_windowsize(vc);
1282 }
1283 
1284 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1285                                     void *opaque)
1286 {
1287     VirtualConsole *vc = opaque;
1288     GtkDisplayState *s = vc->s;
1289 
1290     gtk_widget_set_sensitive(vc->menu_item, true);
1291     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1292     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1293                                     vc->tab_item, vc->label);
1294     gtk_widget_destroy(vc->window);
1295     vc->window = NULL;
1296     return TRUE;
1297 }
1298 
1299 static gboolean gd_win_grab(void *opaque)
1300 {
1301     VirtualConsole *vc = opaque;
1302 
1303     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1304     if (vc->s->ptr_owner) {
1305         gd_ungrab_pointer(vc->s);
1306     } else {
1307         gd_grab_pointer(vc, "user-request-detached-tab");
1308     }
1309     return TRUE;
1310 }
1311 
1312 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1313 {
1314     GtkDisplayState *s = opaque;
1315     VirtualConsole *vc = gd_vc_find_current(s);
1316 
1317     if (vc->type == GD_VC_GFX &&
1318         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1319         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1320                                        FALSE);
1321     }
1322     if (!vc->window) {
1323         gtk_widget_set_sensitive(vc->menu_item, false);
1324         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1325         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1326 
1327         g_signal_connect(vc->window, "delete-event",
1328                          G_CALLBACK(gd_tab_window_close), vc);
1329         gtk_widget_show_all(vc->window);
1330 
1331         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1332             GtkAccelGroup *ag = gtk_accel_group_new();
1333             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1334 
1335             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1336                                                vc, NULL);
1337             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1338         }
1339 
1340         gd_update_geometry_hints(vc);
1341         gd_update_caption(s);
1342     }
1343 }
1344 
1345 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1346 {
1347     GtkDisplayState *s = opaque;
1348     VirtualConsole *vc = gd_vc_find_current(s);
1349 
1350     if (s->full_screen) {
1351         return;
1352     }
1353 
1354     if (gtk_check_menu_item_get_active(
1355                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1356         gtk_widget_show(s->menu_bar);
1357     } else {
1358         gtk_widget_hide(s->menu_bar);
1359     }
1360     gd_update_windowsize(vc);
1361 }
1362 
1363 static void gd_accel_show_menubar(void *opaque)
1364 {
1365     GtkDisplayState *s = opaque;
1366     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1367 }
1368 
1369 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1370 {
1371     GtkDisplayState *s = opaque;
1372     VirtualConsole *vc = gd_vc_find_current(s);
1373 
1374     if (!s->full_screen) {
1375         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1376         gtk_widget_hide(s->menu_bar);
1377         if (vc->type == GD_VC_GFX) {
1378             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1379         }
1380         gtk_window_fullscreen(GTK_WINDOW(s->window));
1381         s->full_screen = TRUE;
1382     } else {
1383         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1384         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1385         if (gtk_check_menu_item_get_active(
1386                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1387             gtk_widget_show(s->menu_bar);
1388         }
1389         s->full_screen = FALSE;
1390         if (vc->type == GD_VC_GFX) {
1391             vc->gfx.scale_x = 1.0;
1392             vc->gfx.scale_y = 1.0;
1393             gd_update_windowsize(vc);
1394         }
1395     }
1396 
1397     gd_update_cursor(vc);
1398 }
1399 
1400 static void gd_accel_full_screen(void *opaque)
1401 {
1402     GtkDisplayState *s = opaque;
1403     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1404 }
1405 
1406 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1407 {
1408     GtkDisplayState *s = opaque;
1409     VirtualConsole *vc = gd_vc_find_current(s);
1410 
1411     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1412                                    FALSE);
1413 
1414     vc->gfx.scale_x += VC_SCALE_STEP;
1415     vc->gfx.scale_y += VC_SCALE_STEP;
1416 
1417     gd_update_windowsize(vc);
1418 }
1419 
1420 static void gd_accel_zoom_in(void *opaque)
1421 {
1422     GtkDisplayState *s = opaque;
1423     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1424 }
1425 
1426 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1427 {
1428     GtkDisplayState *s = opaque;
1429     VirtualConsole *vc = gd_vc_find_current(s);
1430 
1431     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1432                                    FALSE);
1433 
1434     vc->gfx.scale_x -= VC_SCALE_STEP;
1435     vc->gfx.scale_y -= VC_SCALE_STEP;
1436 
1437     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1438     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1439 
1440     gd_update_windowsize(vc);
1441 }
1442 
1443 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1444 {
1445     GtkDisplayState *s = opaque;
1446     VirtualConsole *vc = gd_vc_find_current(s);
1447 
1448     vc->gfx.scale_x = 1.0;
1449     vc->gfx.scale_y = 1.0;
1450 
1451     gd_update_windowsize(vc);
1452 }
1453 
1454 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1455 {
1456     GtkDisplayState *s = opaque;
1457     VirtualConsole *vc = gd_vc_find_current(s);
1458 
1459     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1460         s->free_scale = TRUE;
1461     } else {
1462         s->free_scale = FALSE;
1463         vc->gfx.scale_x = 1.0;
1464         vc->gfx.scale_y = 1.0;
1465     }
1466 
1467     gd_update_windowsize(vc);
1468     gd_update_full_redraw(vc);
1469 }
1470 
1471 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1472 {
1473     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1474     GdkSeat *seat = gdk_display_get_default_seat(display);
1475     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1476     GdkSeatCapabilities caps = 0;
1477     GdkCursor *cursor = NULL;
1478 
1479     if (kbd) {
1480         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1481     }
1482     if (ptr) {
1483         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1484         cursor = vc->s->null_cursor;
1485     }
1486 
1487     if (caps) {
1488         gdk_seat_grab(seat, window, caps, false, cursor,
1489                       NULL, NULL, NULL);
1490     } else {
1491         gdk_seat_ungrab(seat);
1492     }
1493 }
1494 
1495 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1496 {
1497     if (vc->s->kbd_owner) {
1498         if (vc->s->kbd_owner == vc) {
1499             return;
1500         } else {
1501             gd_ungrab_keyboard(vc->s);
1502         }
1503     }
1504 
1505     win32_kbd_set_grab(true);
1506     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1507     vc->s->kbd_owner = vc;
1508     gd_update_caption(vc->s);
1509     trace_gd_grab(vc->label, "kbd", reason);
1510 }
1511 
1512 static void gd_ungrab_keyboard(GtkDisplayState *s)
1513 {
1514     VirtualConsole *vc = s->kbd_owner;
1515 
1516     if (vc == NULL) {
1517         return;
1518     }
1519     s->kbd_owner = NULL;
1520 
1521     win32_kbd_set_grab(false);
1522     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1523     gd_update_caption(s);
1524     trace_gd_ungrab(vc->label, "kbd");
1525 }
1526 
1527 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1528 {
1529     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1530 
1531     if (vc->s->ptr_owner) {
1532         if (vc->s->ptr_owner == vc) {
1533             return;
1534         } else {
1535             gd_ungrab_pointer(vc->s);
1536         }
1537     }
1538 
1539     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1540     gdk_device_get_position(gd_get_pointer(display),
1541                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1542     vc->s->ptr_owner = vc;
1543     gd_update_caption(vc->s);
1544     trace_gd_grab(vc->label, "ptr", reason);
1545 }
1546 
1547 static void gd_ungrab_pointer(GtkDisplayState *s)
1548 {
1549     VirtualConsole *vc = s->ptr_owner;
1550     GdkDisplay *display;
1551 
1552     if (vc == NULL) {
1553         return;
1554     }
1555     s->ptr_owner = NULL;
1556 
1557     display = gtk_widget_get_display(vc->gfx.drawing_area);
1558     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1559     gdk_device_warp(gd_get_pointer(display),
1560                     gtk_widget_get_screen(vc->gfx.drawing_area),
1561                     vc->s->grab_x_root, vc->s->grab_y_root);
1562     gd_update_caption(s);
1563     trace_gd_ungrab(vc->label, "ptr");
1564 }
1565 
1566 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1567 {
1568     GtkDisplayState *s = opaque;
1569     VirtualConsole *vc = gd_vc_find_current(s);
1570 
1571     if (gd_is_grab_active(s)) {
1572         gd_grab_keyboard(vc, "user-request-main-window");
1573         gd_grab_pointer(vc, "user-request-main-window");
1574     } else {
1575         gd_ungrab_keyboard(s);
1576         gd_ungrab_pointer(s);
1577     }
1578 
1579     gd_update_cursor(vc);
1580 }
1581 
1582 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1583                            gpointer data)
1584 {
1585     GtkDisplayState *s = data;
1586     VirtualConsole *vc;
1587     gboolean on_vga;
1588 
1589     if (!gtk_widget_get_realized(s->notebook)) {
1590         return;
1591     }
1592 
1593     vc = gd_vc_find_by_page(s, arg2);
1594     if (!vc) {
1595         return;
1596     }
1597     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1598                                    TRUE);
1599     on_vga = (vc->type == GD_VC_GFX &&
1600               qemu_console_is_graphic(vc->gfx.dcl.con));
1601     if (!on_vga) {
1602         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1603                                        FALSE);
1604     } else if (s->full_screen) {
1605         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1606                                        TRUE);
1607     }
1608     gtk_widget_set_sensitive(s->grab_item, on_vga);
1609 #ifdef CONFIG_VTE
1610     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1611 #endif
1612 
1613     gd_update_windowsize(vc);
1614     gd_update_cursor(vc);
1615 }
1616 
1617 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1618                                gpointer opaque)
1619 {
1620     VirtualConsole *vc = opaque;
1621     GtkDisplayState *s = vc->s;
1622 
1623     if (gd_grab_on_hover(s)) {
1624         gd_grab_keyboard(vc, "grab-on-hover");
1625     }
1626     return TRUE;
1627 }
1628 
1629 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1630                                gpointer opaque)
1631 {
1632     VirtualConsole *vc = opaque;
1633     GtkDisplayState *s = vc->s;
1634 
1635     if (gd_grab_on_hover(s)) {
1636         gd_ungrab_keyboard(s);
1637     }
1638     return TRUE;
1639 }
1640 
1641 static gboolean gd_focus_in_event(GtkWidget *widget,
1642                                   GdkEventFocus *event, gpointer opaque)
1643 {
1644     VirtualConsole *vc = opaque;
1645 
1646     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1647     return TRUE;
1648 }
1649 
1650 static gboolean gd_focus_out_event(GtkWidget *widget,
1651                                    GdkEventFocus *event, gpointer opaque)
1652 {
1653     VirtualConsole *vc = opaque;
1654     GtkDisplayState *s = vc->s;
1655 
1656     win32_kbd_set_window(NULL);
1657     gtk_release_modifiers(s);
1658     return TRUE;
1659 }
1660 
1661 static gboolean gd_configure(GtkWidget *widget,
1662                              GdkEventConfigure *cfg, gpointer opaque)
1663 {
1664     VirtualConsole *vc = opaque;
1665 
1666     gd_set_ui_info(vc, cfg->width, cfg->height);
1667     return FALSE;
1668 }
1669 
1670 /** Virtual Console Callbacks **/
1671 
1672 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1673                                int idx, GSList *group, GtkWidget *view_menu)
1674 {
1675     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1676     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1677             HOTKEY_MODIFIERS, 0,
1678             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1679     gtk_accel_label_set_accel(
1680             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1681             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1682 
1683     g_signal_connect(vc->menu_item, "activate",
1684                      G_CALLBACK(gd_menu_switch_vc), s);
1685     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1686 
1687     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1688 }
1689 
1690 #if defined(CONFIG_VTE)
1691 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1692 {
1693     GtkDisplayState *s = opaque;
1694     VirtualConsole *vc = gd_vc_find_current(s);
1695 
1696 #if VTE_CHECK_VERSION(0, 50, 0)
1697     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1698                                        VTE_FORMAT_TEXT);
1699 #else
1700     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1701 #endif
1702 }
1703 
1704 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1705 {
1706     VirtualConsole *vc = opaque;
1707 
1708     if (gtk_adjustment_get_upper(adjustment) >
1709         gtk_adjustment_get_page_size(adjustment)) {
1710         gtk_widget_show(vc->vte.scrollbar);
1711     } else {
1712         gtk_widget_hide(vc->vte.scrollbar);
1713     }
1714 }
1715 
1716 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1717 {
1718     VCChardev *vcd = VC_CHARDEV(chr);
1719     VirtualConsole *vc = vcd->console;
1720 
1721     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1722     return len;
1723 }
1724 
1725 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1726 {
1727     VCChardev *vcd = VC_CHARDEV(chr);
1728     VirtualConsole *vc = vcd->console;
1729 
1730     if (vc) {
1731         vc->vte.echo = echo;
1732     } else {
1733         vcd->echo = echo;
1734     }
1735 }
1736 
1737 static int nb_vcs;
1738 static Chardev *vcs[MAX_VCS];
1739 static void gd_vc_open(Chardev *chr,
1740                        ChardevBackend *backend,
1741                        bool *be_opened,
1742                        Error **errp)
1743 {
1744     if (nb_vcs == MAX_VCS) {
1745         error_setg(errp, "Maximum number of consoles reached");
1746         return;
1747     }
1748 
1749     vcs[nb_vcs++] = chr;
1750 
1751     /* console/chardev init sometimes completes elsewhere in a 2nd
1752      * stage, so defer OPENED events until they are fully initialized
1753      */
1754     *be_opened = false;
1755 }
1756 
1757 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1758 {
1759     ChardevClass *cc = CHARDEV_CLASS(oc);
1760 
1761     cc->parse = qemu_chr_parse_vc;
1762     cc->open = gd_vc_open;
1763     cc->chr_write = gd_vc_chr_write;
1764     cc->chr_set_echo = gd_vc_chr_set_echo;
1765 }
1766 
1767 static const TypeInfo char_gd_vc_type_info = {
1768     .name = TYPE_CHARDEV_VC,
1769     .parent = TYPE_CHARDEV,
1770     .instance_size = sizeof(VCChardev),
1771     .class_init = char_gd_vc_class_init,
1772 };
1773 
1774 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1775                          gpointer user_data)
1776 {
1777     VirtualConsole *vc = user_data;
1778 
1779     if (vc->vte.echo) {
1780         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1781         int i;
1782         for (i = 0; i < size; i++) {
1783             uint8_t c = text[i];
1784             if (c >= 128 || isprint(c)) {
1785                 /* 8-bit characters are considered printable.  */
1786                 vte_terminal_feed(term, &text[i], 1);
1787             } else if (c == '\r' || c == '\n') {
1788                 vte_terminal_feed(term, "\r\n", 2);
1789             } else {
1790                 char ctrl[2] = { '^', 0};
1791                 ctrl[1] = text[i] ^ 64;
1792                 vte_terminal_feed(term, ctrl, 2);
1793             }
1794         }
1795     }
1796 
1797     int remaining = size;
1798     uint8_t* p = (uint8_t *)text;
1799     while (remaining > 0) {
1800         int can_write = qemu_chr_be_can_write(vc->vte.chr);
1801         int written = MIN(remaining, can_write);
1802         qemu_chr_be_write(vc->vte.chr, p, written);
1803 
1804         remaining -= written;
1805         p += written;
1806     }
1807     return TRUE;
1808 }
1809 
1810 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1811                               Chardev *chr, int idx,
1812                               GSList *group, GtkWidget *view_menu)
1813 {
1814     char buffer[32];
1815     GtkWidget *box;
1816     GtkWidget *scrollbar;
1817     GtkAdjustment *vadjustment;
1818     VCChardev *vcd = VC_CHARDEV(chr);
1819 
1820     vc->s = s;
1821     vc->vte.echo = vcd->echo;
1822     vc->vte.chr = chr;
1823     vcd->console = vc;
1824 
1825     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1826     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1827                                 ? vc->vte.chr->label : buffer);
1828     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1829 
1830     vc->vte.terminal = vte_terminal_new();
1831     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1832 
1833     /* The documentation says that the default is UTF-8, but actually it is
1834      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1835      * VTE 0.54 (only UTF-8 is supported now). */
1836 #if !VTE_CHECK_VERSION(0, 54, 0)
1837 #if VTE_CHECK_VERSION(0, 38, 0)
1838     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1839 #else
1840     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1841 #endif
1842 #endif
1843 
1844     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1845     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1846                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1847 
1848 #if VTE_CHECK_VERSION(0, 28, 0)
1849     vadjustment = gtk_scrollable_get_vadjustment
1850         (GTK_SCROLLABLE(vc->vte.terminal));
1851 #else
1852     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1853 #endif
1854 
1855     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1856     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1857 
1858     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1859     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1860 
1861     vc->vte.box = box;
1862     vc->vte.scrollbar = scrollbar;
1863 
1864     g_signal_connect(vadjustment, "changed",
1865                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1866 
1867     vc->type = GD_VC_VTE;
1868     vc->tab_item = box;
1869     vc->focus = vc->vte.terminal;
1870     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1871                              gtk_label_new(vc->label));
1872 
1873     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1874 
1875     return group;
1876 }
1877 
1878 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1879                         GtkWidget *view_menu)
1880 {
1881     int i;
1882 
1883     for (i = 0; i < nb_vcs; i++) {
1884         VirtualConsole *vc = &s->vc[s->nb_vcs];
1885         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1886         s->nb_vcs++;
1887     }
1888 }
1889 #endif /* CONFIG_VTE */
1890 
1891 /** Window Creation **/
1892 
1893 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1894 {
1895     g_signal_connect(vc->gfx.drawing_area, "draw",
1896                      G_CALLBACK(gd_draw_event), vc);
1897 #if defined(CONFIG_OPENGL)
1898     if (gtk_use_gl_area) {
1899         /* wire up GtkGlArea events */
1900         g_signal_connect(vc->gfx.drawing_area, "render",
1901                          G_CALLBACK(gd_render_event), vc);
1902         g_signal_connect(vc->gfx.drawing_area, "resize",
1903                          G_CALLBACK(gd_resize_event), vc);
1904     }
1905 #endif
1906     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1907         g_signal_connect(vc->gfx.drawing_area, "event",
1908                          G_CALLBACK(gd_event), vc);
1909         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1910                          G_CALLBACK(gd_button_event), vc);
1911         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1912                          G_CALLBACK(gd_button_event), vc);
1913         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1914                          G_CALLBACK(gd_scroll_event), vc);
1915         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1916                          G_CALLBACK(gd_key_event), vc);
1917         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1918                          G_CALLBACK(gd_key_event), vc);
1919 
1920         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1921                          G_CALLBACK(gd_enter_event), vc);
1922         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1923                          G_CALLBACK(gd_leave_event), vc);
1924         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1925                          G_CALLBACK(gd_focus_in_event), vc);
1926         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1927                          G_CALLBACK(gd_focus_out_event), vc);
1928         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1929                          G_CALLBACK(gd_configure), vc);
1930         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1931                          G_CALLBACK(gd_grab_broken_event), vc);
1932     } else {
1933         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1934                          G_CALLBACK(gd_text_key_down), vc);
1935     }
1936 }
1937 
1938 static void gd_connect_signals(GtkDisplayState *s)
1939 {
1940     g_signal_connect(s->show_tabs_item, "activate",
1941                      G_CALLBACK(gd_menu_show_tabs), s);
1942     g_signal_connect(s->untabify_item, "activate",
1943                      G_CALLBACK(gd_menu_untabify), s);
1944     g_signal_connect(s->show_menubar_item, "activate",
1945                      G_CALLBACK(gd_menu_show_menubar), s);
1946 
1947     g_signal_connect(s->window, "delete-event",
1948                      G_CALLBACK(gd_window_close), s);
1949 
1950     g_signal_connect(s->pause_item, "activate",
1951                      G_CALLBACK(gd_menu_pause), s);
1952     g_signal_connect(s->reset_item, "activate",
1953                      G_CALLBACK(gd_menu_reset), s);
1954     g_signal_connect(s->powerdown_item, "activate",
1955                      G_CALLBACK(gd_menu_powerdown), s);
1956     g_signal_connect(s->quit_item, "activate",
1957                      G_CALLBACK(gd_menu_quit), s);
1958 #if defined(CONFIG_VTE)
1959     g_signal_connect(s->copy_item, "activate",
1960                      G_CALLBACK(gd_menu_copy), s);
1961 #endif
1962     g_signal_connect(s->full_screen_item, "activate",
1963                      G_CALLBACK(gd_menu_full_screen), s);
1964     g_signal_connect(s->zoom_in_item, "activate",
1965                      G_CALLBACK(gd_menu_zoom_in), s);
1966     g_signal_connect(s->zoom_out_item, "activate",
1967                      G_CALLBACK(gd_menu_zoom_out), s);
1968     g_signal_connect(s->zoom_fixed_item, "activate",
1969                      G_CALLBACK(gd_menu_zoom_fixed), s);
1970     g_signal_connect(s->zoom_fit_item, "activate",
1971                      G_CALLBACK(gd_menu_zoom_fit), s);
1972     g_signal_connect(s->grab_item, "activate",
1973                      G_CALLBACK(gd_menu_grab_input), s);
1974     g_signal_connect(s->notebook, "switch-page",
1975                      G_CALLBACK(gd_change_page), s);
1976 }
1977 
1978 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1979 {
1980     GtkWidget *machine_menu;
1981     GtkWidget *separator;
1982 
1983     machine_menu = gtk_menu_new();
1984     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1985 
1986     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1987     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1988 
1989     separator = gtk_separator_menu_item_new();
1990     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1991 
1992     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1993     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1994 
1995     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1996     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1997 
1998     separator = gtk_separator_menu_item_new();
1999     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2000 
2001     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2002     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2003                                  "<QEMU>/Machine/Quit");
2004     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2005                             GDK_KEY_q, HOTKEY_MODIFIERS);
2006     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2007 
2008     return machine_menu;
2009 }
2010 
2011 #if defined(CONFIG_OPENGL)
2012 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2013 {
2014     gtk_gl_area_make_current(area);
2015     qemu_egl_display = eglGetCurrentDisplay();
2016     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2017     if (!vc->gfx.has_dmabuf) {
2018         error_report("GtkGLArea console lacks DMABUF support.");
2019     }
2020 }
2021 #endif
2022 
2023 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2024                               QemuConsole *con, int idx,
2025                               GSList *group, GtkWidget *view_menu)
2026 {
2027     bool zoom_to_fit = false;
2028 
2029     vc->label = qemu_console_get_label(con);
2030     vc->s = s;
2031     vc->gfx.scale_x = 1.0;
2032     vc->gfx.scale_y = 1.0;
2033 
2034 #if defined(CONFIG_OPENGL)
2035     if (display_opengl) {
2036         if (gtk_use_gl_area) {
2037             vc->gfx.drawing_area = gtk_gl_area_new();
2038             g_signal_connect(vc->gfx.drawing_area, "realize",
2039                              G_CALLBACK(gl_area_realize), vc);
2040             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2041         } else {
2042 #ifdef CONFIG_X11
2043             vc->gfx.drawing_area = gtk_drawing_area_new();
2044             /*
2045              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2046              * It is required for opengl rendering on X11 though.  A
2047              * proper replacement (native opengl support) is only
2048              * available in 3.16+.  Silence the warning if possible.
2049              */
2050 #pragma GCC diagnostic push
2051 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2052             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2053 #pragma GCC diagnostic pop
2054             vc->gfx.dcl.ops = &dcl_egl_ops;
2055             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2056 #else
2057             abort();
2058 #endif
2059         }
2060     } else
2061 #endif
2062     {
2063         vc->gfx.drawing_area = gtk_drawing_area_new();
2064         vc->gfx.dcl.ops = &dcl_ops;
2065     }
2066 
2067 
2068     gtk_widget_add_events(vc->gfx.drawing_area,
2069                           GDK_POINTER_MOTION_MASK |
2070                           GDK_BUTTON_PRESS_MASK |
2071                           GDK_BUTTON_RELEASE_MASK |
2072                           GDK_BUTTON_MOTION_MASK |
2073                           GDK_ENTER_NOTIFY_MASK |
2074                           GDK_LEAVE_NOTIFY_MASK |
2075                           GDK_SCROLL_MASK |
2076                           GDK_SMOOTH_SCROLL_MASK |
2077                           GDK_KEY_PRESS_MASK);
2078     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2079 
2080     vc->type = GD_VC_GFX;
2081     vc->tab_item = vc->gfx.drawing_area;
2082     vc->focus = vc->gfx.drawing_area;
2083     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2084                              vc->tab_item, gtk_label_new(vc->label));
2085 
2086     vc->gfx.kbd = qkbd_state_init(con);
2087     vc->gfx.dcl.con = con;
2088 
2089     register_displaychangelistener(&vc->gfx.dcl);
2090 
2091     gd_connect_vc_gfx_signals(vc);
2092     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2093 
2094     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2095         zoom_to_fit = true;
2096     }
2097     if (s->opts->u.gtk.has_zoom_to_fit) {
2098         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2099     }
2100     if (zoom_to_fit) {
2101         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2102         s->free_scale = true;
2103     }
2104 
2105     return group;
2106 }
2107 
2108 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2109 {
2110     GSList *group = NULL;
2111     GtkWidget *view_menu;
2112     GtkWidget *separator;
2113     QemuConsole *con;
2114     int vc;
2115 
2116     view_menu = gtk_menu_new();
2117     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2118 
2119     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2120 
2121 #if defined(CONFIG_VTE)
2122     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2123     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2124 #endif
2125 
2126     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2127             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2128     gtk_accel_label_set_accel(
2129             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2130             GDK_KEY_f, HOTKEY_MODIFIERS);
2131     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2132 
2133     separator = gtk_separator_menu_item_new();
2134     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2135 
2136     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2137     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2138                                  "<QEMU>/View/Zoom In");
2139     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2140                             HOTKEY_MODIFIERS);
2141     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2142             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2143     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2144 
2145     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2146     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2147                                  "<QEMU>/View/Zoom Out");
2148     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2149                             HOTKEY_MODIFIERS);
2150     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2151 
2152     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2153     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2154                                  "<QEMU>/View/Zoom Fixed");
2155     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2156                             HOTKEY_MODIFIERS);
2157     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2158 
2159     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2160     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2161 
2162     separator = gtk_separator_menu_item_new();
2163     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2164 
2165     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2166     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2167 
2168     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2169     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2170                                  "<QEMU>/View/Grab Input");
2171     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2172                             HOTKEY_MODIFIERS);
2173     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2174 
2175     separator = gtk_separator_menu_item_new();
2176     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2177 
2178     /* gfx */
2179     for (vc = 0;; vc++) {
2180         con = qemu_console_lookup_by_index(vc);
2181         if (!con) {
2182             break;
2183         }
2184         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2185                                vc, group, view_menu);
2186         s->nb_vcs++;
2187     }
2188 
2189 #if defined(CONFIG_VTE)
2190     /* vte */
2191     gd_vcs_init(s, group, view_menu);
2192 #endif
2193 
2194     separator = gtk_separator_menu_item_new();
2195     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2196 
2197     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2198     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2199 
2200     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2201     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2202 
2203     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2204             _("Show Menubar"));
2205     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2206                                    TRUE);
2207     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2208             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2209     gtk_accel_label_set_accel(
2210             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2211             GDK_KEY_m, HOTKEY_MODIFIERS);
2212     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2213 
2214     return view_menu;
2215 }
2216 
2217 static void gd_create_menus(GtkDisplayState *s)
2218 {
2219     GtkSettings *settings;
2220 
2221     s->accel_group = gtk_accel_group_new();
2222     s->machine_menu = gd_create_menu_machine(s);
2223     s->view_menu = gd_create_menu_view(s);
2224 
2225     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2226     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2227                               s->machine_menu);
2228     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2229 
2230     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2231     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2232     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2233 
2234     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2235     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2236 
2237     /* Disable the default "F10" menu shortcut. */
2238     settings = gtk_widget_get_settings(s->window);
2239     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2240 }
2241 
2242 
2243 static gboolean gtkinit;
2244 
2245 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2246 {
2247     VirtualConsole *vc;
2248 
2249     GtkDisplayState *s = g_malloc0(sizeof(*s));
2250     GdkDisplay *window_display;
2251     GtkIconTheme *theme;
2252     char *dir;
2253 
2254     if (!gtkinit) {
2255         fprintf(stderr, "gtk initialization failed\n");
2256         exit(1);
2257     }
2258     assert(opts->type == DISPLAY_TYPE_GTK);
2259     s->opts = opts;
2260 
2261     theme = gtk_icon_theme_get_default();
2262     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2263     gtk_icon_theme_prepend_search_path(theme, dir);
2264     g_free(dir);
2265     g_set_prgname("qemu");
2266 
2267     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2268     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2269     s->notebook = gtk_notebook_new();
2270     s->menu_bar = gtk_menu_bar_new();
2271 
2272     s->free_scale = FALSE;
2273 
2274     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2275      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2276      * printable, but without changing any of the character classes to make
2277      * sure that we don't accidentally break implicit assumptions.  */
2278     setlocale(LC_MESSAGES, "");
2279     setlocale(LC_CTYPE, "C.UTF-8");
2280     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2281     bindtextdomain("qemu", dir);
2282     g_free(dir);
2283     bind_textdomain_codeset("qemu", "UTF-8");
2284     textdomain("qemu");
2285 
2286     window_display = gtk_widget_get_display(s->window);
2287     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2288         s->null_cursor = NULL; /* default pointer */
2289     } else {
2290         s->null_cursor = gdk_cursor_new_for_display(window_display,
2291                                                     GDK_BLANK_CURSOR);
2292     }
2293 
2294     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2295     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2296     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2297 
2298     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2299 
2300     gd_create_menus(s);
2301 
2302     gd_connect_signals(s);
2303 
2304     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2305     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2306 
2307     gd_update_caption(s);
2308 
2309     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2310     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2311 
2312     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2313 
2314     gtk_widget_show_all(s->window);
2315 
2316     vc = gd_vc_find_current(s);
2317     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2318 #ifdef CONFIG_VTE
2319     gtk_widget_set_sensitive(s->copy_item,
2320                              vc && vc->type == GD_VC_VTE);
2321 #endif
2322 
2323     if (opts->has_full_screen &&
2324         opts->full_screen) {
2325         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2326     }
2327     if (opts->u.gtk.has_grab_on_hover &&
2328         opts->u.gtk.grab_on_hover) {
2329         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2330     }
2331 }
2332 
2333 static void early_gtk_display_init(DisplayOptions *opts)
2334 {
2335     /* The QEMU code relies on the assumption that it's always run in
2336      * the C locale. Therefore it is not prepared to deal with
2337      * operations that produce different results depending on the
2338      * locale, such as printf's formatting of decimal numbers, and
2339      * possibly others.
2340      *
2341      * Since GTK+ calls setlocale() by default -importing the locale
2342      * settings from the environment- we must prevent it from doing so
2343      * using gtk_disable_setlocale().
2344      *
2345      * QEMU's GTK+ UI, however, _does_ have translations for some of
2346      * the menu items. As a trade-off between a functionally correct
2347      * QEMU and a fully internationalized UI we support importing
2348      * LC_MESSAGES from the environment (see the setlocale() call
2349      * earlier in this file). This allows us to display translated
2350      * messages leaving everything else untouched.
2351      */
2352     gtk_disable_setlocale();
2353     gtkinit = gtk_init_check(NULL, NULL);
2354     if (!gtkinit) {
2355         /* don't exit yet, that'll break -help */
2356         return;
2357     }
2358 
2359     assert(opts->type == DISPLAY_TYPE_GTK);
2360     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2361 #if defined(CONFIG_OPENGL)
2362 #if defined(GDK_WINDOWING_WAYLAND)
2363         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2364             gtk_use_gl_area = true;
2365             gtk_gl_area_init();
2366         } else
2367 #endif
2368         {
2369 #ifdef CONFIG_X11
2370             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2371             gtk_egl_init(mode);
2372 #endif
2373         }
2374 #endif
2375     }
2376 
2377     keycode_map = gd_get_keymap(&keycode_maplen);
2378 
2379 #if defined(CONFIG_VTE)
2380     type_register(&char_gd_vc_type_info);
2381 #endif
2382 }
2383 
2384 static QemuDisplay qemu_display_gtk = {
2385     .type       = DISPLAY_TYPE_GTK,
2386     .early_init = early_gtk_display_init,
2387     .init       = gtk_display_init,
2388 };
2389 
2390 static void register_gtk(void)
2391 {
2392     qemu_display_register(&qemu_display_gtk);
2393 }
2394 
2395 type_init(register_gtk);
2396