xref: /openbmc/qemu/ui/gtk.c (revision 5e437d3c)
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, surface_width(surface), surface_height(surface));
551 
552     if (vc->gfx.surface) {
553         cairo_surface_destroy(vc->gfx.surface);
554         vc->gfx.surface = NULL;
555     }
556     if (vc->gfx.convert) {
557         pixman_image_unref(vc->gfx.convert);
558         vc->gfx.convert = NULL;
559     }
560 
561     if (vc->gfx.ds &&
562         surface_width(vc->gfx.ds) == surface_width(surface) &&
563         surface_height(vc->gfx.ds) == surface_height(surface)) {
564         resized = false;
565     }
566     vc->gfx.ds = surface;
567 
568     if (surface->format == PIXMAN_x8r8g8b8) {
569         /*
570          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
571          *
572          * No need to convert, use surface directly.  Should be the
573          * common case as this is qemu_default_pixelformat(32) too.
574          */
575         vc->gfx.surface = cairo_image_surface_create_for_data
576             (surface_data(surface),
577              CAIRO_FORMAT_RGB24,
578              surface_width(surface),
579              surface_height(surface),
580              surface_stride(surface));
581     } else {
582         /* Must convert surface, use pixman to do it. */
583         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
584                                                    surface_width(surface),
585                                                    surface_height(surface),
586                                                    NULL, 0);
587         vc->gfx.surface = cairo_image_surface_create_for_data
588             ((void *)pixman_image_get_data(vc->gfx.convert),
589              CAIRO_FORMAT_RGB24,
590              pixman_image_get_width(vc->gfx.convert),
591              pixman_image_get_height(vc->gfx.convert),
592              pixman_image_get_stride(vc->gfx.convert));
593         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
594                                NULL, vc->gfx.convert,
595                                0, 0, 0, 0, 0, 0,
596                                pixman_image_get_width(vc->gfx.convert),
597                                pixman_image_get_height(vc->gfx.convert));
598     }
599 
600     if (resized) {
601         gd_update_windowsize(vc);
602     } else {
603         gd_update_full_redraw(vc);
604     }
605 }
606 
607 static const DisplayChangeListenerOps dcl_ops = {
608     .dpy_name             = "gtk",
609     .dpy_gfx_update       = gd_update,
610     .dpy_gfx_switch       = gd_switch,
611     .dpy_gfx_check_format = qemu_pixman_check_format,
612     .dpy_refresh          = gd_refresh,
613     .dpy_mouse_set        = gd_mouse_set,
614     .dpy_cursor_define    = gd_cursor_define,
615 };
616 
617 
618 #if defined(CONFIG_OPENGL)
619 
620 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
621 {
622     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
623 
624     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
625         /* FIXME: Assume it will work, actual check done after realize */
626         /* fixing this would require delaying listener registration */
627         return true;
628     }
629 
630     return vc->gfx.has_dmabuf;
631 }
632 
633 /** DisplayState Callbacks (opengl version) **/
634 
635 static const DisplayChangeListenerOps dcl_gl_area_ops = {
636     .dpy_name             = "gtk-egl",
637     .dpy_gfx_update       = gd_gl_area_update,
638     .dpy_gfx_switch       = gd_gl_area_switch,
639     .dpy_gfx_check_format = console_gl_check_format,
640     .dpy_refresh          = gd_gl_area_refresh,
641     .dpy_mouse_set        = gd_mouse_set,
642     .dpy_cursor_define    = gd_cursor_define,
643 
644     .dpy_gl_ctx_create       = gd_gl_area_create_context,
645     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
646     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
647     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
648     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
649     .dpy_gl_update           = gd_gl_area_scanout_flush,
650     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
651     .dpy_has_dmabuf          = gd_has_dmabuf,
652 };
653 
654 #ifdef CONFIG_X11
655 
656 static const DisplayChangeListenerOps dcl_egl_ops = {
657     .dpy_name             = "gtk-egl",
658     .dpy_gfx_update       = gd_egl_update,
659     .dpy_gfx_switch       = gd_egl_switch,
660     .dpy_gfx_check_format = console_gl_check_format,
661     .dpy_refresh          = gd_egl_refresh,
662     .dpy_mouse_set        = gd_mouse_set,
663     .dpy_cursor_define    = gd_cursor_define,
664 
665     .dpy_gl_ctx_create       = gd_egl_create_context,
666     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
667     .dpy_gl_ctx_make_current = gd_egl_make_current,
668     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
669     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
670     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
671     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
672     .dpy_gl_cursor_position  = gd_egl_cursor_position,
673     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
674     .dpy_gl_update           = gd_egl_scanout_flush,
675     .dpy_has_dmabuf          = gd_has_dmabuf,
676 };
677 
678 #endif
679 
680 #endif /* CONFIG_OPENGL */
681 
682 /** QEMU Events **/
683 
684 static void gd_change_runstate(void *opaque, bool running, RunState state)
685 {
686     GtkDisplayState *s = opaque;
687 
688     gd_update_caption(s);
689 }
690 
691 static void gd_mouse_mode_change(Notifier *notify, void *data)
692 {
693     GtkDisplayState *s;
694     int i;
695 
696     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
697     /* release the grab at switching to absolute mode */
698     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
699         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
700                                        FALSE);
701     }
702     for (i = 0; i < s->nb_vcs; i++) {
703         VirtualConsole *vc = &s->vc[i];
704         gd_update_cursor(vc);
705     }
706 }
707 
708 /** GTK Events **/
709 
710 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
711                                 void *opaque)
712 {
713     GtkDisplayState *s = opaque;
714     bool allow_close = true;
715 
716     if (s->opts->has_window_close && !s->opts->window_close) {
717         allow_close = false;
718     }
719 
720     if (allow_close) {
721         qmp_quit(NULL);
722     }
723 
724     return TRUE;
725 }
726 
727 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
728 {
729     QemuUIInfo info;
730 
731     memset(&info, 0, sizeof(info));
732     info.width = width;
733     info.height = height;
734     dpy_set_ui_info(vc->gfx.dcl.con, &info);
735 }
736 
737 #if defined(CONFIG_OPENGL)
738 
739 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
740                                 void *opaque)
741 {
742     VirtualConsole *vc = opaque;
743 
744     if (vc->gfx.gls) {
745         gd_gl_area_draw(vc);
746     }
747     return TRUE;
748 }
749 
750 static void gd_resize_event(GtkGLArea *area,
751                             gint width, gint height, gpointer *opaque)
752 {
753     VirtualConsole *vc = (void *)opaque;
754 
755     gd_set_ui_info(vc, width, height);
756 }
757 
758 #endif
759 
760 /*
761  * If available, return the update interval of the monitor in ms,
762  * else return 0 (the default update interval).
763  */
764 int gd_monitor_update_interval(GtkWidget *widget)
765 {
766 #ifdef GDK_VERSION_3_22
767     GdkWindow *win = gtk_widget_get_window(widget);
768 
769     if (win) {
770         GdkDisplay *dpy = gtk_widget_get_display(widget);
771         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
772         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
773 
774         if (refresh_rate) {
775             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
776             return MIN(1000 * 1000 / refresh_rate,
777                        GUI_REFRESH_INTERVAL_DEFAULT);
778         }
779     }
780 #endif
781     return 0;
782 }
783 
784 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
785 {
786     VirtualConsole *vc = opaque;
787     GtkDisplayState *s = vc->s;
788     int mx, my;
789     int ww, wh;
790     int fbw, fbh;
791 
792 #if defined(CONFIG_OPENGL)
793     if (vc->gfx.gls) {
794         if (gtk_use_gl_area) {
795             /* invoke render callback please */
796             return FALSE;
797         } else {
798 #ifdef CONFIG_X11
799             gd_egl_draw(vc);
800             return TRUE;
801 #else
802             abort();
803 #endif
804         }
805     }
806 #endif
807 
808     if (!gtk_widget_get_realized(widget)) {
809         return FALSE;
810     }
811     if (!vc->gfx.ds) {
812         return FALSE;
813     }
814 
815     vc->gfx.dcl.update_interval =
816         gd_monitor_update_interval(vc->window ? vc->window : s->window);
817 
818     fbw = surface_width(vc->gfx.ds);
819     fbh = surface_height(vc->gfx.ds);
820 
821     ww = gdk_window_get_width(gtk_widget_get_window(widget));
822     wh = gdk_window_get_height(gtk_widget_get_window(widget));
823 
824     if (s->full_screen) {
825         vc->gfx.scale_x = (double)ww / fbw;
826         vc->gfx.scale_y = (double)wh / fbh;
827     } else if (s->free_scale) {
828         double sx, sy;
829 
830         sx = (double)ww / fbw;
831         sy = (double)wh / fbh;
832 
833         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
834     }
835 
836     fbw *= vc->gfx.scale_x;
837     fbh *= vc->gfx.scale_y;
838 
839     mx = my = 0;
840     if (ww > fbw) {
841         mx = (ww - fbw) / 2;
842     }
843     if (wh > fbh) {
844         my = (wh - fbh) / 2;
845     }
846 
847     cairo_rectangle(cr, 0, 0, ww, wh);
848 
849     /* Optionally cut out the inner area where the pixmap
850        will be drawn. This avoids 'flashing' since we're
851        not double-buffering. Note we're using the undocumented
852        behaviour of drawing the rectangle from right to left
853        to cut out the whole */
854     cairo_rectangle(cr, mx + fbw, my,
855                     -1 * fbw, fbh);
856     cairo_fill(cr);
857 
858     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
859     cairo_set_source_surface(cr, vc->gfx.surface,
860                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
861     cairo_paint(cr);
862 
863     return TRUE;
864 }
865 
866 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
867                                 void *opaque)
868 {
869     VirtualConsole *vc = opaque;
870     GtkDisplayState *s = vc->s;
871     int x, y;
872     int mx, my;
873     int fbh, fbw;
874     int ww, wh;
875 
876     if (!vc->gfx.ds) {
877         return TRUE;
878     }
879 
880     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
881     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
882 
883     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
884     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
885 
886     mx = my = 0;
887     if (ww > fbw) {
888         mx = (ww - fbw) / 2;
889     }
890     if (wh > fbh) {
891         my = (wh - fbh) / 2;
892     }
893 
894     x = (motion->x - mx) / vc->gfx.scale_x;
895     y = (motion->y - my) / vc->gfx.scale_y;
896 
897     if (qemu_input_is_absolute()) {
898         if (x < 0 || y < 0 ||
899             x >= surface_width(vc->gfx.ds) ||
900             y >= surface_height(vc->gfx.ds)) {
901             return TRUE;
902         }
903         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
904                              0, surface_width(vc->gfx.ds));
905         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
906                              0, surface_height(vc->gfx.ds));
907         qemu_input_event_sync();
908     } else if (s->last_set && s->ptr_owner == vc) {
909         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
910         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
911         qemu_input_event_sync();
912     }
913     s->last_x = x;
914     s->last_y = y;
915     s->last_set = TRUE;
916 
917     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
918         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
919         GdkDisplay *dpy = gtk_widget_get_display(widget);
920         GdkWindow *win = gtk_widget_get_window(widget);
921         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
922         GdkRectangle geometry;
923         int screen_width, screen_height;
924 
925         int x = (int)motion->x_root;
926         int y = (int)motion->y_root;
927 
928         gdk_monitor_get_geometry(monitor, &geometry);
929         screen_width = geometry.width;
930         screen_height = geometry.height;
931 
932         /* In relative mode check to see if client pointer hit
933          * one of the screen edges, and if so move it back by
934          * 200 pixels. This is important because the pointer
935          * in the server doesn't correspond 1-for-1, and so
936          * may still be only half way across the screen. Without
937          * this warp, the server pointer would thus appear to hit
938          * an invisible wall */
939         if (x == 0) {
940             x += 200;
941         }
942         if (y == 0) {
943             y += 200;
944         }
945         if (x == (screen_width - 1)) {
946             x -= 200;
947         }
948         if (y == (screen_height - 1)) {
949             y -= 200;
950         }
951 
952         if (x != (int)motion->x_root || y != (int)motion->y_root) {
953             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
954             gdk_device_warp(dev, screen, x, y);
955             s->last_set = FALSE;
956             return FALSE;
957         }
958     }
959     return TRUE;
960 }
961 
962 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
963                                 void *opaque)
964 {
965     VirtualConsole *vc = opaque;
966     GtkDisplayState *s = vc->s;
967     InputButton btn;
968 
969     /* implicitly grab the input at the first click in the relative mode */
970     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
971         !qemu_input_is_absolute() && s->ptr_owner != vc) {
972         if (!vc->window) {
973             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
974                                            TRUE);
975         } else {
976             gd_grab_pointer(vc, "relative-mode-click");
977         }
978         return TRUE;
979     }
980 
981     if (button->button == 1) {
982         btn = INPUT_BUTTON_LEFT;
983     } else if (button->button == 2) {
984         btn = INPUT_BUTTON_MIDDLE;
985     } else if (button->button == 3) {
986         btn = INPUT_BUTTON_RIGHT;
987     } else if (button->button == 8) {
988         btn = INPUT_BUTTON_SIDE;
989     } else if (button->button == 9) {
990         btn = INPUT_BUTTON_EXTRA;
991     } else {
992         return TRUE;
993     }
994 
995     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
996                          button->type == GDK_BUTTON_PRESS);
997     qemu_input_event_sync();
998     return TRUE;
999 }
1000 
1001 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1002                                 void *opaque)
1003 {
1004     VirtualConsole *vc = opaque;
1005     InputButton btn;
1006 
1007     if (scroll->direction == GDK_SCROLL_UP) {
1008         btn = INPUT_BUTTON_WHEEL_UP;
1009     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1010         btn = INPUT_BUTTON_WHEEL_DOWN;
1011     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1012         gdouble delta_x, delta_y;
1013         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1014                                          &delta_x, &delta_y)) {
1015             return TRUE;
1016         }
1017         if (delta_y == 0) {
1018             return TRUE;
1019         } else if (delta_y > 0) {
1020             btn = INPUT_BUTTON_WHEEL_DOWN;
1021         } else {
1022             btn = INPUT_BUTTON_WHEEL_UP;
1023         }
1024     } else {
1025         return TRUE;
1026     }
1027 
1028     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1029     qemu_input_event_sync();
1030     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1031     qemu_input_event_sync();
1032     return TRUE;
1033 }
1034 
1035 
1036 static const guint16 *gd_get_keymap(size_t *maplen)
1037 {
1038     GdkDisplay *dpy = gdk_display_get_default();
1039 
1040 #ifdef GDK_WINDOWING_X11
1041     if (GDK_IS_X11_DISPLAY(dpy)) {
1042         trace_gd_keymap_windowing("x11");
1043         return qemu_xkeymap_mapping_table(
1044             gdk_x11_display_get_xdisplay(dpy), maplen);
1045     }
1046 #endif
1047 
1048 #ifdef GDK_WINDOWING_WAYLAND
1049     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1050         trace_gd_keymap_windowing("wayland");
1051         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1052         return qemu_input_map_xorgevdev_to_qcode;
1053     }
1054 #endif
1055 
1056 #ifdef GDK_WINDOWING_WIN32
1057     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1058         trace_gd_keymap_windowing("win32");
1059         *maplen = qemu_input_map_atset1_to_qcode_len;
1060         return qemu_input_map_atset1_to_qcode;
1061     }
1062 #endif
1063 
1064 #ifdef GDK_WINDOWING_QUARTZ
1065     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1066         trace_gd_keymap_windowing("quartz");
1067         *maplen = qemu_input_map_osx_to_qcode_len;
1068         return qemu_input_map_osx_to_qcode;
1069     }
1070 #endif
1071 
1072 #ifdef GDK_WINDOWING_BROADWAY
1073     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1074         trace_gd_keymap_windowing("broadway");
1075         g_warning("experimental: using broadway, x11 virtual keysym\n"
1076                   "mapping - with very limited support. See also\n"
1077                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1078         *maplen = qemu_input_map_x11_to_qcode_len;
1079         return qemu_input_map_x11_to_qcode;
1080     }
1081 #endif
1082 
1083     g_warning("Unsupported GDK Windowing platform.\n"
1084               "Disabling extended keycode tables.\n"
1085               "Please report to qemu-devel@nongnu.org\n"
1086               "including the following information:\n"
1087               "\n"
1088               "  - Operating system\n"
1089               "  - GDK Windowing system build\n");
1090     return NULL;
1091 }
1092 
1093 
1094 static int gd_map_keycode(int scancode)
1095 {
1096     if (!keycode_map) {
1097         return 0;
1098     }
1099     if (scancode > keycode_maplen) {
1100         return 0;
1101     }
1102 
1103     return keycode_map[scancode];
1104 }
1105 
1106 static int gd_get_keycode(GdkEventKey *key)
1107 {
1108 #ifdef G_OS_WIN32
1109     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1110 
1111     /* translate Windows native scancodes to atset1 keycodes */
1112     switch (scancode & (KF_EXTENDED | 0xff)) {
1113     case 0x145:     /* NUMLOCK */
1114         return scancode & 0xff;
1115     }
1116 
1117     return scancode & KF_EXTENDED ?
1118         0xe000 | (scancode & 0xff) : scancode & 0xff;
1119 
1120 #else
1121     return key->hardware_keycode;
1122 #endif
1123 }
1124 
1125 static gboolean gd_text_key_down(GtkWidget *widget,
1126                                  GdkEventKey *key, void *opaque)
1127 {
1128     VirtualConsole *vc = opaque;
1129     QemuConsole *con = vc->gfx.dcl.con;
1130 
1131     if (key->keyval == GDK_KEY_Delete) {
1132         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1133     } else if (key->length) {
1134         kbd_put_string_console(con, key->string, key->length);
1135     } else {
1136         int qcode = gd_map_keycode(gd_get_keycode(key));
1137         kbd_put_qcode_console(con, qcode, false);
1138     }
1139     return TRUE;
1140 }
1141 
1142 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1143 {
1144     VirtualConsole *vc = opaque;
1145     int keycode, qcode;
1146 
1147 #ifdef G_OS_WIN32
1148     /* on windows, we ought to ignore the reserved key event? */
1149     if (key->hardware_keycode == 0xff)
1150         return false;
1151 
1152     if (!vc->s->kbd_owner) {
1153         if (key->hardware_keycode == VK_LWIN ||
1154             key->hardware_keycode == VK_RWIN) {
1155             return FALSE;
1156         }
1157     }
1158 #endif
1159 
1160     if (key->keyval == GDK_KEY_Pause
1161 #ifdef G_OS_WIN32
1162         /* for some reason GDK does not fill keyval for VK_PAUSE
1163          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1164          */
1165         || key->hardware_keycode == VK_PAUSE
1166 #endif
1167         ) {
1168         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1169                              key->type == GDK_KEY_PRESS);
1170         return TRUE;
1171     }
1172 
1173     keycode = gd_get_keycode(key);
1174     qcode = gd_map_keycode(keycode);
1175 
1176     trace_gd_key_event(vc->label, keycode, qcode,
1177                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1178 
1179     qkbd_state_key_event(vc->gfx.kbd, qcode,
1180                          key->type == GDK_KEY_PRESS);
1181 
1182     return TRUE;
1183 }
1184 
1185 static gboolean gd_grab_broken_event(GtkWidget *widget,
1186                                      GdkEventGrabBroken *event, void *opaque)
1187 {
1188 #ifdef CONFIG_WIN32
1189     /*
1190      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1191      * key combination leaves all three keys in a stuck condition. We use
1192      * the grab-broken-event to release all keys.
1193      */
1194     if (event->keyboard) {
1195         VirtualConsole *vc = opaque;
1196         GtkDisplayState *s = vc->s;
1197 
1198         gtk_release_modifiers(s);
1199     }
1200 #endif
1201     return TRUE;
1202 }
1203 
1204 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1205 {
1206     if (event->type == GDK_MOTION_NOTIFY) {
1207         return gd_motion_event(widget, &event->motion, opaque);
1208     }
1209     return FALSE;
1210 }
1211 
1212 /** Window Menu Actions **/
1213 
1214 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1215 {
1216     GtkDisplayState *s = opaque;
1217 
1218     if (s->external_pause_update) {
1219         return;
1220     }
1221     if (runstate_is_running()) {
1222         qmp_stop(NULL);
1223     } else {
1224         qmp_cont(NULL);
1225     }
1226 }
1227 
1228 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1229 {
1230     qmp_system_reset(NULL);
1231 }
1232 
1233 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1234 {
1235     qmp_system_powerdown(NULL);
1236 }
1237 
1238 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1239 {
1240     qmp_quit(NULL);
1241 }
1242 
1243 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1244 {
1245     GtkDisplayState *s = opaque;
1246     VirtualConsole *vc = gd_vc_find_by_menu(s);
1247     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1248     gint page;
1249 
1250     gtk_release_modifiers(s);
1251     if (vc) {
1252         page = gtk_notebook_page_num(nb, vc->tab_item);
1253         gtk_notebook_set_current_page(nb, page);
1254         gtk_widget_grab_focus(vc->focus);
1255     }
1256 }
1257 
1258 static void gd_accel_switch_vc(void *opaque)
1259 {
1260     VirtualConsole *vc = opaque;
1261 
1262     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1263 }
1264 
1265 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1266 {
1267     GtkDisplayState *s = opaque;
1268     VirtualConsole *vc = gd_vc_find_current(s);
1269 
1270     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1271         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1272     } else {
1273         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1274     }
1275     gd_update_windowsize(vc);
1276 }
1277 
1278 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1279                                     void *opaque)
1280 {
1281     VirtualConsole *vc = opaque;
1282     GtkDisplayState *s = vc->s;
1283 
1284     gtk_widget_set_sensitive(vc->menu_item, true);
1285     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1286     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1287                                     vc->tab_item, vc->label);
1288     gtk_widget_destroy(vc->window);
1289     vc->window = NULL;
1290     return TRUE;
1291 }
1292 
1293 static gboolean gd_win_grab(void *opaque)
1294 {
1295     VirtualConsole *vc = opaque;
1296 
1297     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1298     if (vc->s->ptr_owner) {
1299         gd_ungrab_pointer(vc->s);
1300     } else {
1301         gd_grab_pointer(vc, "user-request-detached-tab");
1302     }
1303     return TRUE;
1304 }
1305 
1306 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1307 {
1308     GtkDisplayState *s = opaque;
1309     VirtualConsole *vc = gd_vc_find_current(s);
1310 
1311     if (vc->type == GD_VC_GFX &&
1312         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1313         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1314                                        FALSE);
1315     }
1316     if (!vc->window) {
1317         gtk_widget_set_sensitive(vc->menu_item, false);
1318         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1319         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1320 
1321         g_signal_connect(vc->window, "delete-event",
1322                          G_CALLBACK(gd_tab_window_close), vc);
1323         gtk_widget_show_all(vc->window);
1324 
1325         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1326             GtkAccelGroup *ag = gtk_accel_group_new();
1327             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1328 
1329             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1330                                                vc, NULL);
1331             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1332         }
1333 
1334         gd_update_geometry_hints(vc);
1335         gd_update_caption(s);
1336     }
1337 }
1338 
1339 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1340 {
1341     GtkDisplayState *s = opaque;
1342     VirtualConsole *vc = gd_vc_find_current(s);
1343 
1344     if (s->full_screen) {
1345         return;
1346     }
1347 
1348     if (gtk_check_menu_item_get_active(
1349                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1350         gtk_widget_show(s->menu_bar);
1351     } else {
1352         gtk_widget_hide(s->menu_bar);
1353     }
1354     gd_update_windowsize(vc);
1355 }
1356 
1357 static void gd_accel_show_menubar(void *opaque)
1358 {
1359     GtkDisplayState *s = opaque;
1360     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1361 }
1362 
1363 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1364 {
1365     GtkDisplayState *s = opaque;
1366     VirtualConsole *vc = gd_vc_find_current(s);
1367 
1368     if (!s->full_screen) {
1369         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1370         gtk_widget_hide(s->menu_bar);
1371         if (vc->type == GD_VC_GFX) {
1372             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1373         }
1374         gtk_window_fullscreen(GTK_WINDOW(s->window));
1375         s->full_screen = TRUE;
1376     } else {
1377         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1378         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1379         if (gtk_check_menu_item_get_active(
1380                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1381             gtk_widget_show(s->menu_bar);
1382         }
1383         s->full_screen = FALSE;
1384         if (vc->type == GD_VC_GFX) {
1385             vc->gfx.scale_x = 1.0;
1386             vc->gfx.scale_y = 1.0;
1387             gd_update_windowsize(vc);
1388         }
1389     }
1390 
1391     gd_update_cursor(vc);
1392 }
1393 
1394 static void gd_accel_full_screen(void *opaque)
1395 {
1396     GtkDisplayState *s = opaque;
1397     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1398 }
1399 
1400 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1401 {
1402     GtkDisplayState *s = opaque;
1403     VirtualConsole *vc = gd_vc_find_current(s);
1404 
1405     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1406                                    FALSE);
1407 
1408     vc->gfx.scale_x += VC_SCALE_STEP;
1409     vc->gfx.scale_y += VC_SCALE_STEP;
1410 
1411     gd_update_windowsize(vc);
1412 }
1413 
1414 static void gd_accel_zoom_in(void *opaque)
1415 {
1416     GtkDisplayState *s = opaque;
1417     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1418 }
1419 
1420 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1421 {
1422     GtkDisplayState *s = opaque;
1423     VirtualConsole *vc = gd_vc_find_current(s);
1424 
1425     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1426                                    FALSE);
1427 
1428     vc->gfx.scale_x -= VC_SCALE_STEP;
1429     vc->gfx.scale_y -= VC_SCALE_STEP;
1430 
1431     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1432     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1433 
1434     gd_update_windowsize(vc);
1435 }
1436 
1437 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1438 {
1439     GtkDisplayState *s = opaque;
1440     VirtualConsole *vc = gd_vc_find_current(s);
1441 
1442     vc->gfx.scale_x = 1.0;
1443     vc->gfx.scale_y = 1.0;
1444 
1445     gd_update_windowsize(vc);
1446 }
1447 
1448 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1449 {
1450     GtkDisplayState *s = opaque;
1451     VirtualConsole *vc = gd_vc_find_current(s);
1452 
1453     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1454         s->free_scale = TRUE;
1455     } else {
1456         s->free_scale = FALSE;
1457         vc->gfx.scale_x = 1.0;
1458         vc->gfx.scale_y = 1.0;
1459     }
1460 
1461     gd_update_windowsize(vc);
1462     gd_update_full_redraw(vc);
1463 }
1464 
1465 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1466 {
1467     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1468     GdkSeat *seat = gdk_display_get_default_seat(display);
1469     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1470     GdkSeatCapabilities caps = 0;
1471     GdkCursor *cursor = NULL;
1472 
1473     if (kbd) {
1474         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1475     }
1476     if (ptr) {
1477         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1478         cursor = vc->s->null_cursor;
1479     }
1480 
1481     if (caps) {
1482         gdk_seat_grab(seat, window, caps, false, cursor,
1483                       NULL, NULL, NULL);
1484     } else {
1485         gdk_seat_ungrab(seat);
1486     }
1487 }
1488 
1489 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1490 {
1491     if (vc->s->kbd_owner) {
1492         if (vc->s->kbd_owner == vc) {
1493             return;
1494         } else {
1495             gd_ungrab_keyboard(vc->s);
1496         }
1497     }
1498 
1499     win32_kbd_set_grab(true);
1500     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1501     vc->s->kbd_owner = vc;
1502     gd_update_caption(vc->s);
1503     trace_gd_grab(vc->label, "kbd", reason);
1504 }
1505 
1506 static void gd_ungrab_keyboard(GtkDisplayState *s)
1507 {
1508     VirtualConsole *vc = s->kbd_owner;
1509 
1510     if (vc == NULL) {
1511         return;
1512     }
1513     s->kbd_owner = NULL;
1514 
1515     win32_kbd_set_grab(false);
1516     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1517     gd_update_caption(s);
1518     trace_gd_ungrab(vc->label, "kbd");
1519 }
1520 
1521 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1522 {
1523     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1524 
1525     if (vc->s->ptr_owner) {
1526         if (vc->s->ptr_owner == vc) {
1527             return;
1528         } else {
1529             gd_ungrab_pointer(vc->s);
1530         }
1531     }
1532 
1533     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1534     gdk_device_get_position(gd_get_pointer(display),
1535                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1536     vc->s->ptr_owner = vc;
1537     gd_update_caption(vc->s);
1538     trace_gd_grab(vc->label, "ptr", reason);
1539 }
1540 
1541 static void gd_ungrab_pointer(GtkDisplayState *s)
1542 {
1543     VirtualConsole *vc = s->ptr_owner;
1544     GdkDisplay *display;
1545 
1546     if (vc == NULL) {
1547         return;
1548     }
1549     s->ptr_owner = NULL;
1550 
1551     display = gtk_widget_get_display(vc->gfx.drawing_area);
1552     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1553     gdk_device_warp(gd_get_pointer(display),
1554                     gtk_widget_get_screen(vc->gfx.drawing_area),
1555                     vc->s->grab_x_root, vc->s->grab_y_root);
1556     gd_update_caption(s);
1557     trace_gd_ungrab(vc->label, "ptr");
1558 }
1559 
1560 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1561 {
1562     GtkDisplayState *s = opaque;
1563     VirtualConsole *vc = gd_vc_find_current(s);
1564 
1565     if (gd_is_grab_active(s)) {
1566         gd_grab_keyboard(vc, "user-request-main-window");
1567         gd_grab_pointer(vc, "user-request-main-window");
1568     } else {
1569         gd_ungrab_keyboard(s);
1570         gd_ungrab_pointer(s);
1571     }
1572 
1573     gd_update_cursor(vc);
1574 }
1575 
1576 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1577                            gpointer data)
1578 {
1579     GtkDisplayState *s = data;
1580     VirtualConsole *vc;
1581     gboolean on_vga;
1582 
1583     if (!gtk_widget_get_realized(s->notebook)) {
1584         return;
1585     }
1586 
1587     vc = gd_vc_find_by_page(s, arg2);
1588     if (!vc) {
1589         return;
1590     }
1591     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1592                                    TRUE);
1593     on_vga = (vc->type == GD_VC_GFX &&
1594               qemu_console_is_graphic(vc->gfx.dcl.con));
1595     if (!on_vga) {
1596         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1597                                        FALSE);
1598     } else if (s->full_screen) {
1599         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1600                                        TRUE);
1601     }
1602     gtk_widget_set_sensitive(s->grab_item, on_vga);
1603 #ifdef CONFIG_VTE
1604     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1605 #endif
1606 
1607     gd_update_windowsize(vc);
1608     gd_update_cursor(vc);
1609 }
1610 
1611 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1612                                gpointer opaque)
1613 {
1614     VirtualConsole *vc = opaque;
1615     GtkDisplayState *s = vc->s;
1616 
1617     if (gd_grab_on_hover(s)) {
1618         gd_grab_keyboard(vc, "grab-on-hover");
1619     }
1620     return TRUE;
1621 }
1622 
1623 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1624                                gpointer opaque)
1625 {
1626     VirtualConsole *vc = opaque;
1627     GtkDisplayState *s = vc->s;
1628 
1629     if (gd_grab_on_hover(s)) {
1630         gd_ungrab_keyboard(s);
1631     }
1632     return TRUE;
1633 }
1634 
1635 static gboolean gd_focus_in_event(GtkWidget *widget,
1636                                   GdkEventFocus *event, gpointer opaque)
1637 {
1638     VirtualConsole *vc = opaque;
1639 
1640     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1641     return TRUE;
1642 }
1643 
1644 static gboolean gd_focus_out_event(GtkWidget *widget,
1645                                    GdkEventFocus *event, gpointer opaque)
1646 {
1647     VirtualConsole *vc = opaque;
1648     GtkDisplayState *s = vc->s;
1649 
1650     win32_kbd_set_window(NULL);
1651     gtk_release_modifiers(s);
1652     return TRUE;
1653 }
1654 
1655 static gboolean gd_configure(GtkWidget *widget,
1656                              GdkEventConfigure *cfg, gpointer opaque)
1657 {
1658     VirtualConsole *vc = opaque;
1659 
1660     gd_set_ui_info(vc, cfg->width, cfg->height);
1661     return FALSE;
1662 }
1663 
1664 /** Virtual Console Callbacks **/
1665 
1666 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1667                                int idx, GSList *group, GtkWidget *view_menu)
1668 {
1669     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1670     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1671             HOTKEY_MODIFIERS, 0,
1672             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1673     gtk_accel_label_set_accel(
1674             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1675             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1676 
1677     g_signal_connect(vc->menu_item, "activate",
1678                      G_CALLBACK(gd_menu_switch_vc), s);
1679     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1680 
1681     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1682 }
1683 
1684 #if defined(CONFIG_VTE)
1685 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1686 {
1687     GtkDisplayState *s = opaque;
1688     VirtualConsole *vc = gd_vc_find_current(s);
1689 
1690 #if VTE_CHECK_VERSION(0, 50, 0)
1691     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1692                                        VTE_FORMAT_TEXT);
1693 #else
1694     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1695 #endif
1696 }
1697 
1698 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1699 {
1700     VirtualConsole *vc = opaque;
1701 
1702     if (gtk_adjustment_get_upper(adjustment) >
1703         gtk_adjustment_get_page_size(adjustment)) {
1704         gtk_widget_show(vc->vte.scrollbar);
1705     } else {
1706         gtk_widget_hide(vc->vte.scrollbar);
1707     }
1708 }
1709 
1710 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1711 {
1712     VCChardev *vcd = VC_CHARDEV(chr);
1713     VirtualConsole *vc = vcd->console;
1714 
1715     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1716     return len;
1717 }
1718 
1719 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1720 {
1721     VCChardev *vcd = VC_CHARDEV(chr);
1722     VirtualConsole *vc = vcd->console;
1723 
1724     if (vc) {
1725         vc->vte.echo = echo;
1726     } else {
1727         vcd->echo = echo;
1728     }
1729 }
1730 
1731 static int nb_vcs;
1732 static Chardev *vcs[MAX_VCS];
1733 static void gd_vc_open(Chardev *chr,
1734                        ChardevBackend *backend,
1735                        bool *be_opened,
1736                        Error **errp)
1737 {
1738     if (nb_vcs == MAX_VCS) {
1739         error_setg(errp, "Maximum number of consoles reached");
1740         return;
1741     }
1742 
1743     vcs[nb_vcs++] = chr;
1744 
1745     /* console/chardev init sometimes completes elsewhere in a 2nd
1746      * stage, so defer OPENED events until they are fully initialized
1747      */
1748     *be_opened = false;
1749 }
1750 
1751 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1752 {
1753     ChardevClass *cc = CHARDEV_CLASS(oc);
1754 
1755     cc->parse = qemu_chr_parse_vc;
1756     cc->open = gd_vc_open;
1757     cc->chr_write = gd_vc_chr_write;
1758     cc->chr_set_echo = gd_vc_chr_set_echo;
1759 }
1760 
1761 static const TypeInfo char_gd_vc_type_info = {
1762     .name = TYPE_CHARDEV_VC,
1763     .parent = TYPE_CHARDEV,
1764     .instance_size = sizeof(VCChardev),
1765     .class_init = char_gd_vc_class_init,
1766 };
1767 
1768 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1769                          gpointer user_data)
1770 {
1771     VirtualConsole *vc = user_data;
1772 
1773     if (vc->vte.echo) {
1774         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1775         int i;
1776         for (i = 0; i < size; i++) {
1777             uint8_t c = text[i];
1778             if (c >= 128 || isprint(c)) {
1779                 /* 8-bit characters are considered printable.  */
1780                 vte_terminal_feed(term, &text[i], 1);
1781             } else if (c == '\r' || c == '\n') {
1782                 vte_terminal_feed(term, "\r\n", 2);
1783             } else {
1784                 char ctrl[2] = { '^', 0};
1785                 ctrl[1] = text[i] ^ 64;
1786                 vte_terminal_feed(term, ctrl, 2);
1787             }
1788         }
1789     }
1790 
1791     int remaining = size;
1792     uint8_t* p = (uint8_t *)text;
1793     while (remaining > 0) {
1794         int can_write = qemu_chr_be_can_write(vc->vte.chr);
1795         int written = MIN(remaining, can_write);
1796         qemu_chr_be_write(vc->vte.chr, p, written);
1797 
1798         remaining -= written;
1799         p += written;
1800     }
1801     return TRUE;
1802 }
1803 
1804 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1805                               Chardev *chr, int idx,
1806                               GSList *group, GtkWidget *view_menu)
1807 {
1808     char buffer[32];
1809     GtkWidget *box;
1810     GtkWidget *scrollbar;
1811     GtkAdjustment *vadjustment;
1812     VCChardev *vcd = VC_CHARDEV(chr);
1813 
1814     vc->s = s;
1815     vc->vte.echo = vcd->echo;
1816     vc->vte.chr = chr;
1817     vcd->console = vc;
1818 
1819     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1820     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1821                                 ? vc->vte.chr->label : buffer);
1822     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1823 
1824     vc->vte.terminal = vte_terminal_new();
1825     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1826 
1827     /* The documentation says that the default is UTF-8, but actually it is
1828      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1829      * VTE 0.54 (only UTF-8 is supported now). */
1830 #if !VTE_CHECK_VERSION(0, 54, 0)
1831 #if VTE_CHECK_VERSION(0, 38, 0)
1832     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1833 #else
1834     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1835 #endif
1836 #endif
1837 
1838     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1839     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1840                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1841 
1842 #if VTE_CHECK_VERSION(0, 28, 0)
1843     vadjustment = gtk_scrollable_get_vadjustment
1844         (GTK_SCROLLABLE(vc->vte.terminal));
1845 #else
1846     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1847 #endif
1848 
1849     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1850     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1851 
1852     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1853     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1854 
1855     vc->vte.box = box;
1856     vc->vte.scrollbar = scrollbar;
1857 
1858     g_signal_connect(vadjustment, "changed",
1859                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1860 
1861     vc->type = GD_VC_VTE;
1862     vc->tab_item = box;
1863     vc->focus = vc->vte.terminal;
1864     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1865                              gtk_label_new(vc->label));
1866 
1867     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1868 
1869     return group;
1870 }
1871 
1872 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1873                         GtkWidget *view_menu)
1874 {
1875     int i;
1876 
1877     for (i = 0; i < nb_vcs; i++) {
1878         VirtualConsole *vc = &s->vc[s->nb_vcs];
1879         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1880         s->nb_vcs++;
1881     }
1882 }
1883 #endif /* CONFIG_VTE */
1884 
1885 /** Window Creation **/
1886 
1887 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1888 {
1889     g_signal_connect(vc->gfx.drawing_area, "draw",
1890                      G_CALLBACK(gd_draw_event), vc);
1891 #if defined(CONFIG_OPENGL)
1892     if (gtk_use_gl_area) {
1893         /* wire up GtkGlArea events */
1894         g_signal_connect(vc->gfx.drawing_area, "render",
1895                          G_CALLBACK(gd_render_event), vc);
1896         g_signal_connect(vc->gfx.drawing_area, "resize",
1897                          G_CALLBACK(gd_resize_event), vc);
1898     }
1899 #endif
1900     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1901         g_signal_connect(vc->gfx.drawing_area, "event",
1902                          G_CALLBACK(gd_event), vc);
1903         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1904                          G_CALLBACK(gd_button_event), vc);
1905         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1906                          G_CALLBACK(gd_button_event), vc);
1907         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1908                          G_CALLBACK(gd_scroll_event), vc);
1909         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1910                          G_CALLBACK(gd_key_event), vc);
1911         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1912                          G_CALLBACK(gd_key_event), vc);
1913 
1914         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1915                          G_CALLBACK(gd_enter_event), vc);
1916         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1917                          G_CALLBACK(gd_leave_event), vc);
1918         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1919                          G_CALLBACK(gd_focus_in_event), vc);
1920         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1921                          G_CALLBACK(gd_focus_out_event), vc);
1922         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1923                          G_CALLBACK(gd_configure), vc);
1924         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1925                          G_CALLBACK(gd_grab_broken_event), vc);
1926     } else {
1927         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1928                          G_CALLBACK(gd_text_key_down), vc);
1929     }
1930 }
1931 
1932 static void gd_connect_signals(GtkDisplayState *s)
1933 {
1934     g_signal_connect(s->show_tabs_item, "activate",
1935                      G_CALLBACK(gd_menu_show_tabs), s);
1936     g_signal_connect(s->untabify_item, "activate",
1937                      G_CALLBACK(gd_menu_untabify), s);
1938     g_signal_connect(s->show_menubar_item, "activate",
1939                      G_CALLBACK(gd_menu_show_menubar), s);
1940 
1941     g_signal_connect(s->window, "delete-event",
1942                      G_CALLBACK(gd_window_close), s);
1943 
1944     g_signal_connect(s->pause_item, "activate",
1945                      G_CALLBACK(gd_menu_pause), s);
1946     g_signal_connect(s->reset_item, "activate",
1947                      G_CALLBACK(gd_menu_reset), s);
1948     g_signal_connect(s->powerdown_item, "activate",
1949                      G_CALLBACK(gd_menu_powerdown), s);
1950     g_signal_connect(s->quit_item, "activate",
1951                      G_CALLBACK(gd_menu_quit), s);
1952 #if defined(CONFIG_VTE)
1953     g_signal_connect(s->copy_item, "activate",
1954                      G_CALLBACK(gd_menu_copy), s);
1955 #endif
1956     g_signal_connect(s->full_screen_item, "activate",
1957                      G_CALLBACK(gd_menu_full_screen), s);
1958     g_signal_connect(s->zoom_in_item, "activate",
1959                      G_CALLBACK(gd_menu_zoom_in), s);
1960     g_signal_connect(s->zoom_out_item, "activate",
1961                      G_CALLBACK(gd_menu_zoom_out), s);
1962     g_signal_connect(s->zoom_fixed_item, "activate",
1963                      G_CALLBACK(gd_menu_zoom_fixed), s);
1964     g_signal_connect(s->zoom_fit_item, "activate",
1965                      G_CALLBACK(gd_menu_zoom_fit), s);
1966     g_signal_connect(s->grab_item, "activate",
1967                      G_CALLBACK(gd_menu_grab_input), s);
1968     g_signal_connect(s->notebook, "switch-page",
1969                      G_CALLBACK(gd_change_page), s);
1970 }
1971 
1972 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1973 {
1974     GtkWidget *machine_menu;
1975     GtkWidget *separator;
1976 
1977     machine_menu = gtk_menu_new();
1978     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1979 
1980     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1981     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1982 
1983     separator = gtk_separator_menu_item_new();
1984     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1985 
1986     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1987     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1988 
1989     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1990     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1991 
1992     separator = gtk_separator_menu_item_new();
1993     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1994 
1995     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1996     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1997                                  "<QEMU>/Machine/Quit");
1998     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1999                             GDK_KEY_q, HOTKEY_MODIFIERS);
2000     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2001 
2002     return machine_menu;
2003 }
2004 
2005 #if defined(CONFIG_OPENGL)
2006 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2007 {
2008     gtk_gl_area_make_current(area);
2009     qemu_egl_display = eglGetCurrentDisplay();
2010     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2011     if (!vc->gfx.has_dmabuf) {
2012         error_report("GtkGLArea console lacks DMABUF support.");
2013     }
2014 }
2015 #endif
2016 
2017 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2018                               QemuConsole *con, int idx,
2019                               GSList *group, GtkWidget *view_menu)
2020 {
2021     bool zoom_to_fit = false;
2022 
2023     vc->label = qemu_console_get_label(con);
2024     vc->s = s;
2025     vc->gfx.scale_x = 1.0;
2026     vc->gfx.scale_y = 1.0;
2027 
2028 #if defined(CONFIG_OPENGL)
2029     if (display_opengl) {
2030         if (gtk_use_gl_area) {
2031             vc->gfx.drawing_area = gtk_gl_area_new();
2032             g_signal_connect(vc->gfx.drawing_area, "realize",
2033                              G_CALLBACK(gl_area_realize), vc);
2034             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2035         } else {
2036 #ifdef CONFIG_X11
2037             vc->gfx.drawing_area = gtk_drawing_area_new();
2038             /*
2039              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2040              * It is required for opengl rendering on X11 though.  A
2041              * proper replacement (native opengl support) is only
2042              * available in 3.16+.  Silence the warning if possible.
2043              */
2044 #pragma GCC diagnostic push
2045 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2046             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2047 #pragma GCC diagnostic pop
2048             vc->gfx.dcl.ops = &dcl_egl_ops;
2049             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2050 #else
2051             abort();
2052 #endif
2053         }
2054     } else
2055 #endif
2056     {
2057         vc->gfx.drawing_area = gtk_drawing_area_new();
2058         vc->gfx.dcl.ops = &dcl_ops;
2059     }
2060 
2061 
2062     gtk_widget_add_events(vc->gfx.drawing_area,
2063                           GDK_POINTER_MOTION_MASK |
2064                           GDK_BUTTON_PRESS_MASK |
2065                           GDK_BUTTON_RELEASE_MASK |
2066                           GDK_BUTTON_MOTION_MASK |
2067                           GDK_ENTER_NOTIFY_MASK |
2068                           GDK_LEAVE_NOTIFY_MASK |
2069                           GDK_SCROLL_MASK |
2070                           GDK_SMOOTH_SCROLL_MASK |
2071                           GDK_KEY_PRESS_MASK);
2072     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2073 
2074     vc->type = GD_VC_GFX;
2075     vc->tab_item = vc->gfx.drawing_area;
2076     vc->focus = vc->gfx.drawing_area;
2077     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2078                              vc->tab_item, gtk_label_new(vc->label));
2079 
2080     vc->gfx.kbd = qkbd_state_init(con);
2081     vc->gfx.dcl.con = con;
2082 
2083     register_displaychangelistener(&vc->gfx.dcl);
2084 
2085     gd_connect_vc_gfx_signals(vc);
2086     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2087 
2088     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2089         zoom_to_fit = true;
2090     }
2091     if (s->opts->u.gtk.has_zoom_to_fit) {
2092         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2093     }
2094     if (zoom_to_fit) {
2095         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2096         s->free_scale = true;
2097     }
2098 
2099     return group;
2100 }
2101 
2102 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2103 {
2104     GSList *group = NULL;
2105     GtkWidget *view_menu;
2106     GtkWidget *separator;
2107     QemuConsole *con;
2108     int vc;
2109 
2110     view_menu = gtk_menu_new();
2111     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2112 
2113     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2114 
2115 #if defined(CONFIG_VTE)
2116     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2117     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2118 #endif
2119 
2120     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2121             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2122     gtk_accel_label_set_accel(
2123             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2124             GDK_KEY_f, HOTKEY_MODIFIERS);
2125     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2126 
2127     separator = gtk_separator_menu_item_new();
2128     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2129 
2130     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2131     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2132                                  "<QEMU>/View/Zoom In");
2133     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2134                             HOTKEY_MODIFIERS);
2135     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2136             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2137     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2138 
2139     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2140     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2141                                  "<QEMU>/View/Zoom Out");
2142     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2143                             HOTKEY_MODIFIERS);
2144     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2145 
2146     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2147     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2148                                  "<QEMU>/View/Zoom Fixed");
2149     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2150                             HOTKEY_MODIFIERS);
2151     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2152 
2153     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2154     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2155 
2156     separator = gtk_separator_menu_item_new();
2157     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2158 
2159     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2160     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2161 
2162     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2163     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2164                                  "<QEMU>/View/Grab Input");
2165     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2166                             HOTKEY_MODIFIERS);
2167     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2168 
2169     separator = gtk_separator_menu_item_new();
2170     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2171 
2172     /* gfx */
2173     for (vc = 0;; vc++) {
2174         con = qemu_console_lookup_by_index(vc);
2175         if (!con) {
2176             break;
2177         }
2178         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2179                                vc, group, view_menu);
2180         s->nb_vcs++;
2181     }
2182 
2183 #if defined(CONFIG_VTE)
2184     /* vte */
2185     gd_vcs_init(s, group, view_menu);
2186 #endif
2187 
2188     separator = gtk_separator_menu_item_new();
2189     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2190 
2191     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2192     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2193 
2194     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2195     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2196 
2197     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2198             _("Show Menubar"));
2199     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2200                                    TRUE);
2201     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2202             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2203     gtk_accel_label_set_accel(
2204             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2205             GDK_KEY_m, HOTKEY_MODIFIERS);
2206     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2207 
2208     return view_menu;
2209 }
2210 
2211 static void gd_create_menus(GtkDisplayState *s)
2212 {
2213     GtkSettings *settings;
2214 
2215     s->accel_group = gtk_accel_group_new();
2216     s->machine_menu = gd_create_menu_machine(s);
2217     s->view_menu = gd_create_menu_view(s);
2218 
2219     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2220     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2221                               s->machine_menu);
2222     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2223 
2224     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2225     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2226     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2227 
2228     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2229     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2230 
2231     /* Disable the default "F10" menu shortcut. */
2232     settings = gtk_widget_get_settings(s->window);
2233     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2234 }
2235 
2236 
2237 static gboolean gtkinit;
2238 
2239 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2240 {
2241     VirtualConsole *vc;
2242 
2243     GtkDisplayState *s = g_malloc0(sizeof(*s));
2244     GdkDisplay *window_display;
2245     GtkIconTheme *theme;
2246     char *dir;
2247 
2248     if (!gtkinit) {
2249         fprintf(stderr, "gtk initialization failed\n");
2250         exit(1);
2251     }
2252     assert(opts->type == DISPLAY_TYPE_GTK);
2253     s->opts = opts;
2254 
2255     theme = gtk_icon_theme_get_default();
2256     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2257     gtk_icon_theme_prepend_search_path(theme, dir);
2258     g_free(dir);
2259     g_set_prgname("qemu");
2260 
2261     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2262     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2263     s->notebook = gtk_notebook_new();
2264     s->menu_bar = gtk_menu_bar_new();
2265 
2266     s->free_scale = FALSE;
2267 
2268     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2269      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2270      * printable, but without changing any of the character classes to make
2271      * sure that we don't accidentally break implicit assumptions.  */
2272     setlocale(LC_MESSAGES, "");
2273     setlocale(LC_CTYPE, "C.UTF-8");
2274     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2275     bindtextdomain("qemu", dir);
2276     g_free(dir);
2277     bind_textdomain_codeset("qemu", "UTF-8");
2278     textdomain("qemu");
2279 
2280     window_display = gtk_widget_get_display(s->window);
2281     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2282         s->null_cursor = NULL; /* default pointer */
2283     } else {
2284         s->null_cursor = gdk_cursor_new_for_display(window_display,
2285                                                     GDK_BLANK_CURSOR);
2286     }
2287 
2288     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2289     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2290     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2291 
2292     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2293 
2294     gd_create_menus(s);
2295 
2296     gd_connect_signals(s);
2297 
2298     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2299     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2300 
2301     gd_update_caption(s);
2302 
2303     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2304     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2305 
2306     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2307 
2308     gtk_widget_show_all(s->window);
2309 
2310     vc = gd_vc_find_current(s);
2311     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2312 #ifdef CONFIG_VTE
2313     gtk_widget_set_sensitive(s->copy_item,
2314                              vc && vc->type == GD_VC_VTE);
2315 #endif
2316 
2317     if (opts->has_full_screen &&
2318         opts->full_screen) {
2319         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2320     }
2321     if (opts->u.gtk.has_grab_on_hover &&
2322         opts->u.gtk.grab_on_hover) {
2323         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2324     }
2325 }
2326 
2327 static void early_gtk_display_init(DisplayOptions *opts)
2328 {
2329     /* The QEMU code relies on the assumption that it's always run in
2330      * the C locale. Therefore it is not prepared to deal with
2331      * operations that produce different results depending on the
2332      * locale, such as printf's formatting of decimal numbers, and
2333      * possibly others.
2334      *
2335      * Since GTK+ calls setlocale() by default -importing the locale
2336      * settings from the environment- we must prevent it from doing so
2337      * using gtk_disable_setlocale().
2338      *
2339      * QEMU's GTK+ UI, however, _does_ have translations for some of
2340      * the menu items. As a trade-off between a functionally correct
2341      * QEMU and a fully internationalized UI we support importing
2342      * LC_MESSAGES from the environment (see the setlocale() call
2343      * earlier in this file). This allows us to display translated
2344      * messages leaving everything else untouched.
2345      */
2346     gtk_disable_setlocale();
2347     gtkinit = gtk_init_check(NULL, NULL);
2348     if (!gtkinit) {
2349         /* don't exit yet, that'll break -help */
2350         return;
2351     }
2352 
2353     assert(opts->type == DISPLAY_TYPE_GTK);
2354     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2355 #if defined(CONFIG_OPENGL)
2356 #if defined(GDK_WINDOWING_WAYLAND)
2357         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2358             gtk_use_gl_area = true;
2359             gtk_gl_area_init();
2360         } else
2361 #endif
2362         {
2363 #ifdef CONFIG_X11
2364             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2365             gtk_egl_init(mode);
2366 #endif
2367         }
2368 #endif
2369     }
2370 
2371     keycode_map = gd_get_keymap(&keycode_maplen);
2372 
2373 #if defined(CONFIG_VTE)
2374     type_register(&char_gd_vc_type_info);
2375 #endif
2376 }
2377 
2378 static QemuDisplay qemu_display_gtk = {
2379     .type       = DISPLAY_TYPE_GTK,
2380     .early_init = early_gtk_display_init,
2381     .init       = gtk_display_init,
2382 };
2383 
2384 static void register_gtk(void)
2385 {
2386     qemu_display_register(&qemu_display_gtk);
2387 }
2388 
2389 type_init(register_gtk);
2390