xref: /openbmc/qemu/ui/gtk.c (revision c65680a76c190d187be1bfd18207b22227541d77)
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 #include "qemu/error-report.h"
40 #include "qemu/main-loop.h"
41 #include "qemu-main.h"
42 
43 #include "ui/console.h"
44 #include "ui/gtk.h"
45 #ifdef G_OS_WIN32
46 #include <gdk/gdkwin32.h>
47 #endif
48 #include "ui/win32-kbd-hook.h"
49 
50 #include <glib/gi18n.h>
51 #include <locale.h>
52 #if defined(CONFIG_VTE)
53 #include <vte/vte.h>
54 #endif
55 #include <math.h>
56 
57 #include "trace.h"
58 #include "ui/input.h"
59 #include "system/runstate.h"
60 #include "system/system.h"
61 #include "keymaps.h"
62 #include "chardev/char.h"
63 #include "qom/object.h"
64 
65 #define VC_WINDOW_X_MIN  320
66 #define VC_WINDOW_Y_MIN  240
67 #define VC_TERM_X_MIN     80
68 #define VC_TERM_Y_MIN     25
69 #define VC_SCALE_MIN    0.25
70 #define VC_SCALE_STEP   0.25
71 
72 #ifdef GDK_WINDOWING_X11
73 #include "x_keymap.h"
74 
75 /* Gtk2 compat */
76 #ifndef GDK_IS_X11_DISPLAY
77 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
78 #endif
79 #endif
80 
81 
82 #ifdef GDK_WINDOWING_WAYLAND
83 /* Gtk2 compat */
84 #ifndef GDK_IS_WAYLAND_DISPLAY
85 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
86 #endif
87 #endif
88 
89 
90 #ifdef GDK_WINDOWING_WIN32
91 /* Gtk2 compat */
92 #ifndef GDK_IS_WIN32_DISPLAY
93 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
94 #endif
95 #endif
96 
97 
98 #ifdef GDK_WINDOWING_BROADWAY
99 /* Gtk2 compat */
100 #ifndef GDK_IS_BROADWAY_DISPLAY
101 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
102 #endif
103 #endif
104 
105 
106 #ifdef GDK_WINDOWING_QUARTZ
107 /* Gtk2 compat */
108 #ifndef GDK_IS_QUARTZ_DISPLAY
109 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
110 #endif
111 #endif
112 
113 
114 #if !defined(CONFIG_VTE)
115 # define VTE_CHECK_VERSION(a, b, c) 0
116 #endif
117 
118 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
119 
120 static const guint16 *keycode_map;
121 static size_t keycode_maplen;
122 
123 struct VCChardev {
124     Chardev parent;
125     VirtualConsole *console;
126     bool echo;
127 };
128 typedef struct VCChardev VCChardev;
129 
130 #define TYPE_CHARDEV_VC "chardev-vc"
131 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
132                          TYPE_CHARDEV_VC)
133 
134 static struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX];
135 
136 bool gtk_use_gl_area;
137 
138 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
139 static void gd_ungrab_pointer(GtkDisplayState *s);
140 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
141 static void gd_ungrab_keyboard(GtkDisplayState *s);
142 
143 /** Utility Functions **/
144 
145 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
146 {
147     VirtualConsole *vc;
148     gint i;
149 
150     for (i = 0; i < s->nb_vcs; i++) {
151         vc = &s->vc[i];
152         if (gtk_check_menu_item_get_active
153             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
154             return vc;
155         }
156     }
157     return NULL;
158 }
159 
160 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
161 {
162     VirtualConsole *vc;
163     gint i, p;
164 
165     for (i = 0; i < s->nb_vcs; i++) {
166         vc = &s->vc[i];
167         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
168         if (p == page) {
169             return vc;
170         }
171     }
172     return NULL;
173 }
174 
175 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
176 {
177     gint page;
178 
179     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
180     return gd_vc_find_by_page(s, page);
181 }
182 
183 static bool gd_is_grab_active(GtkDisplayState *s)
184 {
185     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
186 }
187 
188 static bool gd_grab_on_hover(GtkDisplayState *s)
189 {
190     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
191 }
192 
193 static void gd_update_cursor(VirtualConsole *vc)
194 {
195     GtkDisplayState *s = vc->s;
196     GdkWindow *window;
197 
198     if (vc->type != GD_VC_GFX ||
199         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
200         return;
201     }
202 
203     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
204         return;
205     }
206 
207     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
208     if (s->full_screen || qemu_input_is_absolute(vc->gfx.dcl.con) || s->ptr_owner == vc) {
209         gdk_window_set_cursor(window, s->null_cursor);
210     } else {
211         gdk_window_set_cursor(window, NULL);
212     }
213 }
214 
215 static void gd_update_caption(GtkDisplayState *s)
216 {
217     const char *status = "";
218     gchar *prefix;
219     gchar *title;
220     const char *grab = "";
221     bool is_paused = !runstate_is_running();
222     int i;
223 
224     if (qemu_name) {
225         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
226     } else {
227         prefix = g_strdup_printf("QEMU");
228     }
229 
230     if (s->ptr_owner != NULL &&
231         s->ptr_owner->window == NULL) {
232         grab = _(" - Press Ctrl+Alt+G to release grab");
233     }
234 
235     if (is_paused) {
236         status = _(" [Paused]");
237     }
238     s->external_pause_update = true;
239     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
240                                    is_paused);
241     s->external_pause_update = false;
242 
243     title = g_strdup_printf("%s%s%s", prefix, status, grab);
244     gtk_window_set_title(GTK_WINDOW(s->window), title);
245     g_free(title);
246 
247     for (i = 0; i < s->nb_vcs; i++) {
248         VirtualConsole *vc = &s->vc[i];
249 
250         if (!vc->window) {
251             continue;
252         }
253         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
254                                 vc == s->kbd_owner ? " +kbd" : "",
255                                 vc == s->ptr_owner ? " +ptr" : "");
256         gtk_window_set_title(GTK_WINDOW(vc->window), title);
257         g_free(title);
258     }
259 
260     g_free(prefix);
261 }
262 
263 static void gd_update_geometry_hints(VirtualConsole *vc)
264 {
265     GtkDisplayState *s = vc->s;
266     GdkWindowHints mask = 0;
267     GdkGeometry geo = {};
268     GtkWidget *geo_widget = NULL;
269     GtkWindow *geo_window;
270 
271     if (vc->type == GD_VC_GFX) {
272         if (!vc->gfx.ds) {
273             return;
274         }
275         if (s->free_scale) {
276             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
277             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
278             mask |= GDK_HINT_MIN_SIZE;
279         } else {
280             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
281             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
282             mask |= GDK_HINT_MIN_SIZE;
283         }
284         geo_widget = vc->gfx.drawing_area;
285         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
286 
287 #if defined(CONFIG_VTE)
288     } else if (vc->type == GD_VC_VTE) {
289         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
290         GtkBorder padding = { 0 };
291 
292 #if VTE_CHECK_VERSION(0, 37, 0)
293         gtk_style_context_get_padding(
294                 gtk_widget_get_style_context(vc->vte.terminal),
295                 gtk_widget_get_state_flags(vc->vte.terminal),
296                 &padding);
297 #else
298         {
299             GtkBorder *ib = NULL;
300             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
301             if (ib) {
302                 padding = *ib;
303                 gtk_border_free(ib);
304             }
305         }
306 #endif
307 
308         geo.width_inc  = vte_terminal_get_char_width(term);
309         geo.height_inc = vte_terminal_get_char_height(term);
310         mask |= GDK_HINT_RESIZE_INC;
311         geo.base_width  = geo.width_inc;
312         geo.base_height = geo.height_inc;
313         mask |= GDK_HINT_BASE_SIZE;
314         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
315         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
316         mask |= GDK_HINT_MIN_SIZE;
317 
318         geo.base_width  += padding.left + padding.right;
319         geo.base_height += padding.top + padding.bottom;
320         geo.min_width   += padding.left + padding.right;
321         geo.min_height  += padding.top + padding.bottom;
322         geo_widget = vc->vte.terminal;
323 #endif
324     }
325 
326     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
327     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
328 }
329 
330 void gd_update_windowsize(VirtualConsole *vc)
331 {
332     GtkDisplayState *s = vc->s;
333 
334     gd_update_geometry_hints(vc);
335 
336     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
337         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
338                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
339     }
340 }
341 
342 static void gd_update_full_redraw(VirtualConsole *vc)
343 {
344     GtkWidget *area = vc->gfx.drawing_area;
345     int ww, wh;
346     ww = gdk_window_get_width(gtk_widget_get_window(area));
347     wh = gdk_window_get_height(gtk_widget_get_window(area));
348 #if defined(CONFIG_OPENGL)
349     if (vc->gfx.gls && gtk_use_gl_area) {
350         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
351         return;
352     }
353 #endif
354     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
355 }
356 
357 static void gtk_release_modifiers(GtkDisplayState *s)
358 {
359     VirtualConsole *vc = gd_vc_find_current(s);
360 
361     if (vc->type != GD_VC_GFX ||
362         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
363         return;
364     }
365     qkbd_state_lift_all_keys(vc->gfx.kbd);
366 }
367 
368 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
369                                GtkWidget *widget)
370 {
371     g_object_ref(G_OBJECT(widget));
372     gtk_container_remove(GTK_CONTAINER(from), widget);
373     gtk_container_add(GTK_CONTAINER(to), widget);
374     g_object_unref(G_OBJECT(widget));
375 }
376 
377 static void *gd_win32_get_hwnd(VirtualConsole *vc)
378 {
379 #ifdef G_OS_WIN32
380     return gdk_win32_window_get_impl_hwnd(
381         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
382 #else
383     return NULL;
384 #endif
385 }
386 
387 /** DisplayState Callbacks **/
388 
389 static void gd_update(DisplayChangeListener *dcl,
390                       int fbx, int fby, int fbw, int fbh)
391 {
392     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
393     GdkWindow *win;
394     int wx1, wx2, wy1, wy2;
395     int wx_offset, wy_offset;
396     int ww_surface, wh_surface;
397     int ww_widget, wh_widget;
398 
399     trace_gd_update(vc->label, fbx, fby, fbw, fbh);
400 
401     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
402         return;
403     }
404 
405     if (vc->gfx.convert) {
406         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
407                                NULL, vc->gfx.convert,
408                                fbx, fby, 0, 0, fbx, fby, fbw, fbh);
409     }
410 
411     wx1 = floor(fbx * vc->gfx.scale_x);
412     wy1 = floor(fby * vc->gfx.scale_y);
413 
414     wx2 = ceil(fbx * vc->gfx.scale_x + fbw * vc->gfx.scale_x);
415     wy2 = ceil(fby * vc->gfx.scale_y + fbh * vc->gfx.scale_y);
416 
417     ww_surface = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
418     wh_surface = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
419 
420     win = gtk_widget_get_window(vc->gfx.drawing_area);
421     if (!win) {
422         return;
423     }
424     ww_widget = gdk_window_get_width(win);
425     wh_widget = gdk_window_get_height(win);
426 
427     wx_offset = wy_offset = 0;
428     if (ww_widget > ww_surface) {
429         wx_offset = (ww_widget - ww_surface) / 2;
430     }
431     if (wh_widget > wh_surface) {
432         wy_offset = (wh_widget - wh_surface) / 2;
433     }
434 
435     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
436                                wx_offset + wx1, wy_offset + wy1,
437                                (wx2 - wx1), (wy2 - wy1));
438 }
439 
440 static void gd_refresh(DisplayChangeListener *dcl)
441 {
442     graphic_hw_update(dcl->con);
443 }
444 
445 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
446 {
447     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
448 }
449 
450 static void gd_mouse_set(DisplayChangeListener *dcl,
451                          int x, int y, bool visible)
452 {
453     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
454     GdkDisplay *dpy;
455     gint x_root, y_root;
456 
457     if (!gtk_widget_get_realized(vc->gfx.drawing_area) ||
458         qemu_input_is_absolute(dcl->con)) {
459         return;
460     }
461 
462     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
463     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
464                                x, y, &x_root, &y_root);
465     gdk_device_warp(gd_get_pointer(dpy),
466                     gtk_widget_get_screen(vc->gfx.drawing_area),
467                     x_root, y_root);
468     vc->s->last_x = x;
469     vc->s->last_y = y;
470 }
471 
472 static void gd_cursor_define(DisplayChangeListener *dcl,
473                              QEMUCursor *c)
474 {
475     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
476     GdkPixbuf *pixbuf;
477     GdkCursor *cursor;
478 
479     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
480         return;
481     }
482 
483     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
484                                       GDK_COLORSPACE_RGB, true, 8,
485                                       c->width, c->height, c->width * 4,
486                                       NULL, NULL);
487     cursor = gdk_cursor_new_from_pixbuf
488         (gtk_widget_get_display(vc->gfx.drawing_area),
489          pixbuf, c->hot_x, c->hot_y);
490     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
491     g_object_unref(pixbuf);
492     g_object_unref(cursor);
493 }
494 
495 static void gd_switch(DisplayChangeListener *dcl,
496                       DisplaySurface *surface)
497 {
498     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
499     bool resized = true;
500 
501     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
502 
503     if (vc->gfx.surface) {
504         cairo_surface_destroy(vc->gfx.surface);
505         vc->gfx.surface = NULL;
506     }
507     if (vc->gfx.convert) {
508         pixman_image_unref(vc->gfx.convert);
509         vc->gfx.convert = NULL;
510     }
511 
512     if (vc->gfx.ds &&
513         surface_width(vc->gfx.ds) == surface_width(surface) &&
514         surface_height(vc->gfx.ds) == surface_height(surface)) {
515         resized = false;
516     }
517     vc->gfx.ds = surface;
518 
519     if (surface_format(surface) == PIXMAN_x8r8g8b8) {
520         /*
521          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
522          *
523          * No need to convert, use surface directly.  Should be the
524          * common case as this is qemu_default_pixelformat(32) too.
525          */
526         vc->gfx.surface = cairo_image_surface_create_for_data
527             (surface_data(surface),
528              CAIRO_FORMAT_RGB24,
529              surface_width(surface),
530              surface_height(surface),
531              surface_stride(surface));
532     } else {
533         /* Must convert surface, use pixman to do it. */
534         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
535                                                    surface_width(surface),
536                                                    surface_height(surface),
537                                                    NULL, 0);
538         vc->gfx.surface = cairo_image_surface_create_for_data
539             ((void *)pixman_image_get_data(vc->gfx.convert),
540              CAIRO_FORMAT_RGB24,
541              pixman_image_get_width(vc->gfx.convert),
542              pixman_image_get_height(vc->gfx.convert),
543              pixman_image_get_stride(vc->gfx.convert));
544         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
545                                NULL, vc->gfx.convert,
546                                0, 0, 0, 0, 0, 0,
547                                pixman_image_get_width(vc->gfx.convert),
548                                pixman_image_get_height(vc->gfx.convert));
549     }
550 
551     if (resized) {
552         gd_update_windowsize(vc);
553     } else {
554         gd_update_full_redraw(vc);
555     }
556 }
557 
558 static const DisplayChangeListenerOps dcl_ops = {
559     .dpy_name             = "gtk",
560     .dpy_gfx_update       = gd_update,
561     .dpy_gfx_switch       = gd_switch,
562     .dpy_gfx_check_format = qemu_pixman_check_format,
563     .dpy_refresh          = gd_refresh,
564     .dpy_mouse_set        = gd_mouse_set,
565     .dpy_cursor_define    = gd_cursor_define,
566 };
567 
568 
569 #if defined(CONFIG_OPENGL)
570 
571 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
572 {
573     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
574 
575     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
576         /* FIXME: Assume it will work, actual check done after realize */
577         /* fixing this would require delaying listener registration */
578         return true;
579     }
580 
581     return vc->gfx.has_dmabuf;
582 }
583 
584 static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
585                                  QemuDmaBuf *dmabuf)
586 {
587 #ifdef CONFIG_GBM
588     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
589 
590     egl_dmabuf_release_texture(dmabuf);
591     if (vc->gfx.guest_fb.dmabuf == dmabuf) {
592         vc->gfx.guest_fb.dmabuf = NULL;
593     }
594 #endif
595 }
596 
597 void gd_hw_gl_flushed(void *vcon)
598 {
599     VirtualConsole *vc = vcon;
600     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
601     int fence_fd;
602 
603     fence_fd = qemu_dmabuf_get_fence_fd(dmabuf);
604     if (fence_fd >= 0) {
605         qemu_set_fd_handler(fence_fd, NULL, NULL, NULL);
606         close(fence_fd);
607         qemu_dmabuf_set_fence_fd(dmabuf, -1);
608         graphic_hw_gl_block(vc->gfx.dcl.con, false);
609     }
610 }
611 
612 /** DisplayState Callbacks (opengl version) **/
613 
614 static const DisplayChangeListenerOps dcl_gl_area_ops = {
615     .dpy_name             = "gtk-egl",
616     .dpy_gfx_update       = gd_gl_area_update,
617     .dpy_gfx_switch       = gd_gl_area_switch,
618     .dpy_gfx_check_format = console_gl_check_format,
619     .dpy_refresh          = gd_gl_area_refresh,
620     .dpy_mouse_set        = gd_mouse_set,
621     .dpy_cursor_define    = gd_cursor_define,
622 
623     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
624     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
625     .dpy_gl_update           = gd_gl_area_scanout_flush,
626     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
627     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
628     .dpy_has_dmabuf          = gd_has_dmabuf,
629 };
630 
631 static bool
632 gd_gl_area_is_compatible_dcl(DisplayGLCtx *dgc,
633                              DisplayChangeListener *dcl)
634 {
635     return dcl->ops == &dcl_gl_area_ops;
636 }
637 
638 static const DisplayGLCtxOps gl_area_ctx_ops = {
639     .dpy_gl_ctx_is_compatible_dcl = gd_gl_area_is_compatible_dcl,
640     .dpy_gl_ctx_create       = gd_gl_area_create_context,
641     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
642     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
643 };
644 
645 #ifdef CONFIG_X11
646 static const DisplayChangeListenerOps dcl_egl_ops = {
647     .dpy_name             = "gtk-egl",
648     .dpy_gfx_update       = gd_egl_update,
649     .dpy_gfx_switch       = gd_egl_switch,
650     .dpy_gfx_check_format = console_gl_check_format,
651     .dpy_refresh          = gd_egl_refresh,
652     .dpy_mouse_set        = gd_mouse_set,
653     .dpy_cursor_define    = gd_cursor_define,
654 
655     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
656     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
657     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
658     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
659     .dpy_gl_cursor_position  = gd_egl_cursor_position,
660     .dpy_gl_update           = gd_egl_flush,
661     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
662     .dpy_has_dmabuf          = gd_has_dmabuf,
663 };
664 
665 static bool
666 gd_egl_is_compatible_dcl(DisplayGLCtx *dgc,
667                          DisplayChangeListener *dcl)
668 {
669     return dcl->ops == &dcl_egl_ops;
670 }
671 
672 static const DisplayGLCtxOps egl_ctx_ops = {
673     .dpy_gl_ctx_is_compatible_dcl = gd_egl_is_compatible_dcl,
674     .dpy_gl_ctx_create       = gd_egl_create_context,
675     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
676     .dpy_gl_ctx_make_current = gd_egl_make_current,
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 (s->ptr_owner && qemu_input_is_absolute(s->ptr_owner->gfx.dcl.con)) {
699         if (!s->ptr_owner->window) {
700             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
701                                            FALSE);
702         } else {
703             gd_ungrab_pointer(s);
704         }
705     }
706     for (i = 0; i < s->nb_vcs; i++) {
707         VirtualConsole *vc = &s->vc[i];
708         gd_update_cursor(vc);
709     }
710 }
711 
712 /** GTK Events **/
713 
714 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
715                                 void *opaque)
716 {
717     GtkDisplayState *s = opaque;
718     bool allow_close = true;
719 
720     if (s->opts->has_window_close && !s->opts->window_close) {
721         allow_close = false;
722     }
723 
724     if (allow_close) {
725         qmp_quit(NULL);
726     }
727 
728     return TRUE;
729 }
730 
731 static void gd_set_ui_refresh_rate(VirtualConsole *vc, int refresh_rate)
732 {
733     QemuUIInfo info;
734 
735     if (!dpy_ui_info_supported(vc->gfx.dcl.con)) {
736         return;
737     }
738 
739     info = *dpy_get_ui_info(vc->gfx.dcl.con);
740     info.refresh_rate = refresh_rate;
741     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
742 }
743 
744 static void gd_set_ui_size(VirtualConsole *vc, gint width, gint height)
745 {
746     QemuUIInfo info;
747 
748     if (!dpy_ui_info_supported(vc->gfx.dcl.con)) {
749         return;
750     }
751 
752     info = *dpy_get_ui_info(vc->gfx.dcl.con);
753     info.width = width;
754     info.height = height;
755     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
756 }
757 
758 #if defined(CONFIG_OPENGL)
759 
760 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
761                                 void *opaque)
762 {
763     VirtualConsole *vc = opaque;
764 
765     if (vc->gfx.gls) {
766         gd_gl_area_draw(vc);
767     }
768     return TRUE;
769 }
770 
771 static void gd_resize_event(GtkGLArea *area,
772                             gint width, gint height, gpointer *opaque)
773 {
774     VirtualConsole *vc = (void *)opaque;
775     double pw = width, ph = height;
776     double sx = vc->gfx.scale_x, sy = vc->gfx.scale_y;
777     GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(area));
778     const int gs = gdk_window_get_scale_factor(window);
779 
780     if (!vc->s->free_scale && !vc->s->full_screen) {
781         pw /= sx;
782         ph /= sy;
783     }
784 
785     /**
786      * width and height here are in pixel coordinate, so we must divide it
787      * by global window scale (gs)
788      */
789     gd_set_ui_size(vc, pw / gs, ph / gs);
790 }
791 
792 #endif
793 
794 void gd_update_monitor_refresh_rate(VirtualConsole *vc, GtkWidget *widget)
795 {
796 #ifdef GDK_VERSION_3_22
797     GdkWindow *win = gtk_widget_get_window(widget);
798     int refresh_rate;
799 
800     if (win) {
801         GdkDisplay *dpy = gtk_widget_get_display(widget);
802         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
803         refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
804     } else {
805         refresh_rate = 0;
806     }
807 
808     gd_set_ui_refresh_rate(vc, refresh_rate);
809 
810     /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
811     vc->gfx.dcl.update_interval = refresh_rate ?
812         MIN(1000 * 1000 / refresh_rate, GUI_REFRESH_INTERVAL_DEFAULT) :
813         GUI_REFRESH_INTERVAL_DEFAULT;
814 #endif
815 }
816 
817 void gd_update_scale(VirtualConsole *vc, int ww, int wh, int fbw, int fbh)
818 {
819     if (!vc) {
820         return;
821     }
822 
823     if (vc->s->full_screen) {
824         vc->gfx.scale_x = (double)ww / fbw;
825         vc->gfx.scale_y = (double)wh / fbh;
826     } else if (vc->s->free_scale) {
827         double sx, sy;
828 
829         sx = (double)ww / fbw;
830         sy = (double)wh / fbh;
831         if (vc->s->keep_aspect_ratio) {
832             vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
833         } else {
834             vc->gfx.scale_x = sx;
835             vc->gfx.scale_y = sy;
836         }
837     }
838 }
839 /**
840  * DOC: Coordinate handling.
841  *
842  * We are coping with sizes and positions in various coordinates and the
843  * handling of these coordinates is somewhat confusing. It would benefit us
844  * all if we define these coordinates explicitly and clearly. Besides, it's
845  * also helpful to follow the same naming convention for variables
846  * representing values in different coordinates.
847  *
848  * I. Definitions
849  *
850  * - (guest) buffer coordinate: this is the coordinates that the guest will
851  *   see. The x/y offsets and width/height specified in commands sent by
852  *   guest is basically in buffer coordinate.
853  *
854  * - (host) pixel coordinate: this is the coordinate in pixel level on the
855  *   host destop. A window/widget of width 300 in pixel coordinate means it
856  *   occupies 300 pixels horizontally.
857  *
858  * - (host) logical window coordinate: the existence of global scaling
859  *   factor in desktop level makes this kind of coordinate play a role. It
860  *   always holds that (logical window size) * (global scale factor) =
861  *   (pixel size).
862  *
863  * - global scale factor: this is specified in desktop level and is
864  *   typically invariant during the life cycle of the process. Users with
865  *   high-DPI monitors might set this scale, for example, to 2, in order to
866  *   make the UI look larger.
867  *
868  * - zooming scale: this can be freely controlled by the QEMU user to zoom
869  *   in/out the guest content.
870  *
871  * II. Representation
872  *
873  * We'd like to use consistent representation for variables in different
874  * coordinates:
875  * - buffer coordinate: prefix fb
876  * - pixel coordinate: prefix p
877  * - logical window coordinate: prefix w
878  *
879  * For scales:
880  * - global scale factor: prefix gs
881  * - zooming scale: prefix scale/s
882  *
883  * Example: fbw, pw, ww for width in different coordinates
884  *
885  * III. Equation
886  *
887  * - fbw * gs * scale_x = pw
888  * - pw = gs * ww
889  *
890  * Consequently we have
891  *
892  * - fbw * scale_x = ww
893  *
894  * Example: assuming we are running QEMU on a 3840x2160 screen and have set
895  * global scaling factor to 2, if the guest buffer size is 1920x1080 and the
896  * zooming scale is 0.5, then we have:
897  * - fbw = 1920, fbh = 1080
898  * - pw  = 1920, ph  = 1080
899  * - ww  = 960,  wh  = 540
900  * A bonus of this configuration is that we can achieve pixel to pixel
901  * presentation of the guest content.
902  */
903 
904 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
905 {
906     VirtualConsole *vc = opaque;
907     GtkDisplayState *s = vc->s;
908     int wx_offset, wy_offset;
909     int ww_widget, wh_widget, ww_surface, wh_surface;
910     int fbw, fbh;
911 
912 #if defined(CONFIG_OPENGL)
913     if (vc->gfx.gls) {
914         if (gtk_use_gl_area) {
915             /* invoke render callback please */
916             return FALSE;
917         } else {
918 #ifdef CONFIG_X11
919             gd_egl_draw(vc);
920             return TRUE;
921 #else
922             abort();
923 #endif
924         }
925     }
926 #endif
927 
928     if (!gtk_widget_get_realized(widget)) {
929         return FALSE;
930     }
931     if (!vc->gfx.ds) {
932         return FALSE;
933     }
934     if (!vc->gfx.surface) {
935         return FALSE;
936     }
937 
938     gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : s->window);
939 
940     fbw = surface_width(vc->gfx.ds);
941     fbh = surface_height(vc->gfx.ds);
942 
943     ww_widget = gdk_window_get_width(gtk_widget_get_window(widget));
944     wh_widget = gdk_window_get_height(gtk_widget_get_window(widget));
945 
946     gd_update_scale(vc, ww_widget, wh_widget, fbw, fbh);
947 
948     ww_surface = fbw * vc->gfx.scale_x;
949     wh_surface = fbh * vc->gfx.scale_y;
950 
951     wx_offset = wy_offset = 0;
952     if (ww_widget > ww_surface) {
953         wx_offset = (ww_widget - ww_surface) / 2;
954     }
955     if (wh_widget > wh_surface) {
956         wy_offset = (wh_widget - wh_surface) / 2;
957     }
958 
959     cairo_rectangle(cr, 0, 0, ww_widget, wh_widget);
960 
961     /* Optionally cut out the inner area where the pixmap
962        will be drawn. This avoids 'flashing' since we're
963        not double-buffering. Note we're using the undocumented
964        behaviour of drawing the rectangle from right to left
965        to cut out the whole */
966     cairo_rectangle(cr, wx_offset + ww_surface, wy_offset,
967                     -1 * ww_surface, wh_surface);
968     cairo_fill(cr);
969 
970     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
971     cairo_set_source_surface(cr, vc->gfx.surface,
972                              wx_offset / vc->gfx.scale_x,
973                              wy_offset / vc->gfx.scale_y);
974     cairo_paint(cr);
975 
976     return TRUE;
977 }
978 
979 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
980                                 void *opaque)
981 {
982     VirtualConsole *vc = opaque;
983     GtkDisplayState *s = vc->s;
984     int fbx, fby;
985     int wx_offset, wy_offset;
986     int wh_surface, ww_surface;
987     int ww_widget, wh_widget;
988 
989     if (!vc->gfx.ds) {
990         return TRUE;
991     }
992 
993     ww_surface = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
994     wh_surface = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
995     ww_widget = gtk_widget_get_allocated_width(widget);
996     wh_widget = gtk_widget_get_allocated_height(widget);
997 
998     /*
999      * `widget` may not have the same size with the frame buffer.
1000      * In such cases, some paddings are needed around the `vc`.
1001      * To achieve that, `vc` will be displayed at (mx, my)
1002      * so that it is displayed at the center of the widget.
1003      */
1004     wx_offset = wy_offset = 0;
1005     if (ww_widget > ww_surface) {
1006         wx_offset = (ww_widget - ww_surface) / 2;
1007     }
1008     if (wh_widget > wh_surface) {
1009         wy_offset = (wh_widget - wh_surface) / 2;
1010     }
1011 
1012     /*
1013      * `motion` is reported in `widget` coordinates
1014      * so translating it to the coordinates in `vc`.
1015      */
1016     fbx = (motion->x - wx_offset) / vc->gfx.scale_x;
1017     fby = (motion->y - wy_offset) / vc->gfx.scale_y;
1018 
1019     trace_gd_motion_event(ww_widget, wh_widget,
1020                           gtk_widget_get_scale_factor(widget), fbx, fby);
1021 
1022     if (qemu_input_is_absolute(vc->gfx.dcl.con)) {
1023         if (fbx < 0 || fby < 0 ||
1024             fbx >= surface_width(vc->gfx.ds) ||
1025             fby >= surface_height(vc->gfx.ds)) {
1026             return TRUE;
1027         }
1028         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, fbx,
1029                              0, surface_width(vc->gfx.ds));
1030         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, fby,
1031                              0, surface_height(vc->gfx.ds));
1032         qemu_input_event_sync();
1033     } else if (s->last_set && s->ptr_owner == vc) {
1034         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, fbx - s->last_x);
1035         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, fby - s->last_y);
1036         qemu_input_event_sync();
1037     }
1038     s->last_x = fbx;
1039     s->last_y = fby;
1040     s->last_set = TRUE;
1041 
1042     if (!qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner == vc) {
1043         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
1044         GdkDisplay *dpy = gtk_widget_get_display(widget);
1045         GdkWindow *win = gtk_widget_get_window(widget);
1046         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
1047         GdkRectangle geometry;
1048 
1049         int xr = (int)motion->x_root;
1050         int yr = (int)motion->y_root;
1051 
1052         gdk_monitor_get_geometry(monitor, &geometry);
1053 
1054         /* In relative mode check to see if client pointer hit
1055          * one of the monitor edges, and if so move it back to the
1056          * center of the monitor. This is important because the pointer
1057          * in the server doesn't correspond 1-for-1, and so
1058          * may still be only half way across the screen. Without
1059          * this warp, the server pointer would thus appear to hit
1060          * an invisible wall */
1061         if (xr <= geometry.x || xr - geometry.x >= geometry.width - 1 ||
1062             yr <= geometry.y || yr - geometry.y >= geometry.height - 1) {
1063             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
1064             xr = geometry.x + geometry.width / 2;
1065             yr = geometry.y + geometry.height / 2;
1066 
1067             gdk_device_warp(dev, screen, xr, yr);
1068             s->last_set = FALSE;
1069             return FALSE;
1070         }
1071     }
1072     return TRUE;
1073 }
1074 
1075 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
1076                                 void *opaque)
1077 {
1078     VirtualConsole *vc = opaque;
1079     GtkDisplayState *s = vc->s;
1080     InputButton btn;
1081 
1082     /* implicitly grab the input at the first click in the relative mode */
1083     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
1084         !qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner != vc) {
1085         if (!vc->window) {
1086             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1087                                            TRUE);
1088         } else {
1089             gd_grab_pointer(vc, "relative-mode-click");
1090         }
1091         return TRUE;
1092     }
1093 
1094     if (button->button == 1) {
1095         btn = INPUT_BUTTON_LEFT;
1096     } else if (button->button == 2) {
1097         btn = INPUT_BUTTON_MIDDLE;
1098     } else if (button->button == 3) {
1099         btn = INPUT_BUTTON_RIGHT;
1100     } else if (button->button == 8) {
1101         btn = INPUT_BUTTON_SIDE;
1102     } else if (button->button == 9) {
1103         btn = INPUT_BUTTON_EXTRA;
1104     } else {
1105         return TRUE;
1106     }
1107 
1108     if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
1109         return TRUE;
1110     }
1111 
1112     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1113                          button->type == GDK_BUTTON_PRESS);
1114     qemu_input_event_sync();
1115     return TRUE;
1116 }
1117 
1118 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1119                                 void *opaque)
1120 {
1121     VirtualConsole *vc = opaque;
1122     InputButton btn_vertical;
1123     InputButton btn_horizontal;
1124     bool has_vertical = false;
1125     bool has_horizontal = false;
1126 
1127     if (scroll->direction == GDK_SCROLL_UP) {
1128         btn_vertical = INPUT_BUTTON_WHEEL_UP;
1129         has_vertical = true;
1130     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1131         btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1132         has_vertical = true;
1133     } else if (scroll->direction == GDK_SCROLL_LEFT) {
1134         btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1135         has_horizontal = true;
1136     } else if (scroll->direction == GDK_SCROLL_RIGHT) {
1137         btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1138         has_horizontal = true;
1139     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1140         gdouble delta_x, delta_y;
1141         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1142                                          &delta_x, &delta_y)) {
1143             return TRUE;
1144         }
1145 
1146         if (delta_y > 0) {
1147             btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1148             has_vertical = true;
1149         } else if (delta_y < 0) {
1150             btn_vertical = INPUT_BUTTON_WHEEL_UP;
1151             has_vertical = true;
1152         } else if (delta_x > 0) {
1153             btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1154             has_horizontal = true;
1155         } else if (delta_x < 0) {
1156             btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1157             has_horizontal = true;
1158         } else {
1159             return TRUE;
1160         }
1161     } else {
1162         return TRUE;
1163     }
1164 
1165     if (has_vertical) {
1166         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1167         qemu_input_event_sync();
1168         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1169         qemu_input_event_sync();
1170     }
1171 
1172     if (has_horizontal) {
1173         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1174         qemu_input_event_sync();
1175         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1176         qemu_input_event_sync();
1177     }
1178 
1179     return TRUE;
1180 }
1181 
1182 
1183 static gboolean gd_touch_event(GtkWidget *widget, GdkEventTouch *touch,
1184                                void *opaque)
1185 {
1186     VirtualConsole *vc = opaque;
1187     uint64_t num_slot = GPOINTER_TO_UINT(touch->sequence);
1188     int type = -1;
1189 
1190     switch (touch->type) {
1191     case GDK_TOUCH_BEGIN:
1192         type = INPUT_MULTI_TOUCH_TYPE_BEGIN;
1193         break;
1194     case GDK_TOUCH_UPDATE:
1195         type = INPUT_MULTI_TOUCH_TYPE_UPDATE;
1196         break;
1197     case GDK_TOUCH_END:
1198     case GDK_TOUCH_CANCEL:
1199         type = INPUT_MULTI_TOUCH_TYPE_END;
1200         break;
1201     default:
1202         warn_report("gtk: unexpected touch event type\n");
1203         return FALSE;
1204     }
1205 
1206     console_handle_touch_event(vc->gfx.dcl.con, touch_slots,
1207                                num_slot, surface_width(vc->gfx.ds),
1208                                surface_height(vc->gfx.ds), touch->x,
1209                                touch->y, type, &error_warn);
1210     return TRUE;
1211 }
1212 
1213 static const guint16 *gd_get_keymap(size_t *maplen)
1214 {
1215     GdkDisplay *dpy = gdk_display_get_default();
1216 
1217 #ifdef GDK_WINDOWING_X11
1218     if (GDK_IS_X11_DISPLAY(dpy)) {
1219         trace_gd_keymap_windowing("x11");
1220         return qemu_xkeymap_mapping_table(
1221             gdk_x11_display_get_xdisplay(dpy), maplen);
1222     }
1223 #endif
1224 
1225 #ifdef GDK_WINDOWING_WAYLAND
1226     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1227         trace_gd_keymap_windowing("wayland");
1228         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1229         return qemu_input_map_xorgevdev_to_qcode;
1230     }
1231 #endif
1232 
1233 #ifdef GDK_WINDOWING_WIN32
1234     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1235         trace_gd_keymap_windowing("win32");
1236         *maplen = qemu_input_map_atset1_to_qcode_len;
1237         return qemu_input_map_atset1_to_qcode;
1238     }
1239 #endif
1240 
1241 #ifdef GDK_WINDOWING_QUARTZ
1242     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1243         trace_gd_keymap_windowing("quartz");
1244         *maplen = qemu_input_map_osx_to_qcode_len;
1245         return qemu_input_map_osx_to_qcode;
1246     }
1247 #endif
1248 
1249 #ifdef GDK_WINDOWING_BROADWAY
1250     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1251         trace_gd_keymap_windowing("broadway");
1252         g_warning("experimental: using broadway, x11 virtual keysym\n"
1253                   "mapping - with very limited support. See also\n"
1254                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1255         *maplen = qemu_input_map_x11_to_qcode_len;
1256         return qemu_input_map_x11_to_qcode;
1257     }
1258 #endif
1259 
1260     g_warning("Unsupported GDK Windowing platform.\n"
1261               "Disabling extended keycode tables.\n"
1262               "Please report to qemu-devel@nongnu.org\n"
1263               "including the following information:\n"
1264               "\n"
1265               "  - Operating system\n"
1266               "  - GDK Windowing system build\n");
1267     return NULL;
1268 }
1269 
1270 
1271 static int gd_map_keycode(int scancode)
1272 {
1273     if (!keycode_map) {
1274         return 0;
1275     }
1276     if (scancode > keycode_maplen) {
1277         return 0;
1278     }
1279 
1280     return keycode_map[scancode];
1281 }
1282 
1283 static int gd_get_keycode(GdkEventKey *key)
1284 {
1285 #ifdef G_OS_WIN32
1286     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1287 
1288     /* translate Windows native scancodes to atset1 keycodes */
1289     switch (scancode & (KF_EXTENDED | 0xff)) {
1290     case 0x145:     /* NUMLOCK */
1291         return scancode & 0xff;
1292     }
1293 
1294     return scancode & KF_EXTENDED ?
1295         0xe000 | (scancode & 0xff) : scancode & 0xff;
1296 
1297 #else
1298     return key->hardware_keycode;
1299 #endif
1300 }
1301 
1302 static gboolean gd_text_key_down(GtkWidget *widget,
1303                                  GdkEventKey *key, void *opaque)
1304 {
1305     VirtualConsole *vc = opaque;
1306     QemuTextConsole *con = QEMU_TEXT_CONSOLE(vc->gfx.dcl.con);
1307 
1308     if (key->keyval == GDK_KEY_Delete) {
1309         qemu_text_console_put_qcode(con, Q_KEY_CODE_DELETE, false);
1310     } else if (key->length) {
1311         qemu_text_console_put_string(con, key->string, key->length);
1312     } else {
1313         int qcode = gd_map_keycode(gd_get_keycode(key));
1314         qemu_text_console_put_qcode(con, qcode, false);
1315     }
1316     return TRUE;
1317 }
1318 
1319 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1320 {
1321     VirtualConsole *vc = opaque;
1322     int keycode, qcode;
1323 
1324 #ifdef G_OS_WIN32
1325     /* on windows, we ought to ignore the reserved key event? */
1326     if (key->hardware_keycode == 0xff)
1327         return false;
1328 
1329     if (!vc->s->kbd_owner) {
1330         if (key->hardware_keycode == VK_LWIN ||
1331             key->hardware_keycode == VK_RWIN) {
1332             return FALSE;
1333         }
1334     }
1335 #endif
1336 
1337     if (key->keyval == GDK_KEY_Pause
1338 #ifdef G_OS_WIN32
1339         /* for some reason GDK does not fill keyval for VK_PAUSE
1340          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1341          */
1342         || key->hardware_keycode == VK_PAUSE
1343 #endif
1344         ) {
1345         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1346                              key->type == GDK_KEY_PRESS);
1347         return TRUE;
1348     }
1349 
1350     keycode = gd_get_keycode(key);
1351     qcode = gd_map_keycode(keycode);
1352 
1353     trace_gd_key_event(vc->label, keycode, qcode,
1354                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1355 
1356     qkbd_state_key_event(vc->gfx.kbd, qcode,
1357                          key->type == GDK_KEY_PRESS);
1358 
1359     return TRUE;
1360 }
1361 
1362 static gboolean gd_grab_broken_event(GtkWidget *widget,
1363                                      GdkEventGrabBroken *event, void *opaque)
1364 {
1365 #ifdef CONFIG_WIN32
1366     /*
1367      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1368      * key combination leaves all three keys in a stuck condition. We use
1369      * the grab-broken-event to release all keys.
1370      */
1371     if (event->keyboard) {
1372         VirtualConsole *vc = opaque;
1373         GtkDisplayState *s = vc->s;
1374 
1375         gtk_release_modifiers(s);
1376     }
1377 #endif
1378     return TRUE;
1379 }
1380 
1381 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1382 {
1383     if (event->type == GDK_MOTION_NOTIFY) {
1384         return gd_motion_event(widget, &event->motion, opaque);
1385     }
1386     return FALSE;
1387 }
1388 
1389 /** Window Menu Actions **/
1390 
1391 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1392 {
1393     GtkDisplayState *s = opaque;
1394 
1395     if (s->external_pause_update) {
1396         return;
1397     }
1398     if (runstate_is_running()) {
1399         qmp_stop(NULL);
1400     } else {
1401         qmp_cont(NULL);
1402     }
1403 }
1404 
1405 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1406 {
1407     qmp_system_reset(NULL);
1408 }
1409 
1410 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1411 {
1412     qmp_system_powerdown(NULL);
1413 }
1414 
1415 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1416 {
1417     qmp_quit(NULL);
1418 }
1419 
1420 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1421 {
1422     GtkDisplayState *s = opaque;
1423     VirtualConsole *vc = gd_vc_find_by_menu(s);
1424     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1425     gint page;
1426 
1427     gtk_release_modifiers(s);
1428     if (vc) {
1429         page = gtk_notebook_page_num(nb, vc->tab_item);
1430         gtk_notebook_set_current_page(nb, page);
1431         gtk_widget_grab_focus(vc->focus);
1432     }
1433 }
1434 
1435 static void gd_accel_switch_vc(void *opaque)
1436 {
1437     VirtualConsole *vc = opaque;
1438 
1439     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1440 }
1441 
1442 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1443 {
1444     GtkDisplayState *s = opaque;
1445     VirtualConsole *vc = gd_vc_find_current(s);
1446 
1447     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1448         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1449     } else {
1450         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1451     }
1452     gd_update_windowsize(vc);
1453 }
1454 
1455 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1456                                     void *opaque)
1457 {
1458     VirtualConsole *vc = opaque;
1459     GtkDisplayState *s = vc->s;
1460 
1461     gtk_widget_set_sensitive(vc->menu_item, true);
1462     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1463     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1464                                     vc->tab_item, vc->label);
1465     gtk_widget_destroy(vc->window);
1466     vc->window = NULL;
1467 #if defined(CONFIG_OPENGL)
1468     if (vc->gfx.esurface) {
1469         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1470         vc->gfx.esurface = NULL;
1471     }
1472     if (vc->gfx.ectx) {
1473         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1474         vc->gfx.ectx = NULL;
1475     }
1476 #endif
1477     return TRUE;
1478 }
1479 
1480 static gboolean gd_win_grab(void *opaque)
1481 {
1482     VirtualConsole *vc = opaque;
1483 
1484     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1485     if (vc->s->ptr_owner) {
1486         gd_ungrab_pointer(vc->s);
1487     } else {
1488         gd_grab_pointer(vc, "user-request-detached-tab");
1489     }
1490     return TRUE;
1491 }
1492 
1493 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1494 {
1495     GtkDisplayState *s = opaque;
1496     VirtualConsole *vc = gd_vc_find_current(s);
1497 
1498     if (vc->type == GD_VC_GFX &&
1499         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1500         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1501                                        FALSE);
1502     }
1503     if (!vc->window) {
1504         gtk_widget_set_sensitive(vc->menu_item, false);
1505         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1506 #if defined(CONFIG_OPENGL)
1507         if (vc->gfx.esurface) {
1508             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1509             vc->gfx.esurface = NULL;
1510         }
1511         if (vc->gfx.ectx) {
1512             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1513             vc->gfx.ectx = NULL;
1514         }
1515 #endif
1516         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1517 
1518         g_signal_connect(vc->window, "delete-event",
1519                          G_CALLBACK(gd_tab_window_close), vc);
1520         gtk_widget_show_all(vc->window);
1521 
1522         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1523             GtkAccelGroup *ag = gtk_accel_group_new();
1524             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1525 
1526             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1527                                                vc, NULL);
1528             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1529         }
1530 
1531         gd_update_geometry_hints(vc);
1532         gd_update_caption(s);
1533     }
1534 }
1535 
1536 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1537 {
1538     GtkDisplayState *s = opaque;
1539     VirtualConsole *vc = gd_vc_find_current(s);
1540 
1541     if (s->full_screen) {
1542         return;
1543     }
1544 
1545     if (gtk_check_menu_item_get_active(
1546                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1547         gtk_widget_show(s->menu_bar);
1548     } else {
1549         gtk_widget_hide(s->menu_bar);
1550     }
1551     gd_update_windowsize(vc);
1552 }
1553 
1554 static void gd_accel_show_menubar(void *opaque)
1555 {
1556     GtkDisplayState *s = opaque;
1557     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1558 }
1559 
1560 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1561 {
1562     GtkDisplayState *s = opaque;
1563     VirtualConsole *vc = gd_vc_find_current(s);
1564 
1565     if (!s->full_screen) {
1566         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1567         gtk_widget_hide(s->menu_bar);
1568         if (vc->type == GD_VC_GFX) {
1569             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1570         }
1571         gtk_window_fullscreen(GTK_WINDOW(s->window));
1572         s->full_screen = TRUE;
1573     } else {
1574         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1575         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1576         if (gtk_check_menu_item_get_active(
1577                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1578             gtk_widget_show(s->menu_bar);
1579         }
1580         s->full_screen = FALSE;
1581         if (vc->type == GD_VC_GFX) {
1582             vc->gfx.scale_x = 1.0;
1583             vc->gfx.scale_y = 1.0;
1584             gd_update_windowsize(vc);
1585         }
1586     }
1587 
1588     gd_update_cursor(vc);
1589 }
1590 
1591 static void gd_accel_full_screen(void *opaque)
1592 {
1593     GtkDisplayState *s = opaque;
1594     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1595 }
1596 
1597 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1598 {
1599     GtkDisplayState *s = opaque;
1600     VirtualConsole *vc = gd_vc_find_current(s);
1601 
1602     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1603                                    FALSE);
1604 
1605     vc->gfx.scale_x += VC_SCALE_STEP;
1606     vc->gfx.scale_y += VC_SCALE_STEP;
1607 
1608     gd_update_windowsize(vc);
1609 }
1610 
1611 static void gd_accel_zoom_in(void *opaque)
1612 {
1613     GtkDisplayState *s = opaque;
1614     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1615 }
1616 
1617 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1618 {
1619     GtkDisplayState *s = opaque;
1620     VirtualConsole *vc = gd_vc_find_current(s);
1621 
1622     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1623                                    FALSE);
1624 
1625     vc->gfx.scale_x -= VC_SCALE_STEP;
1626     vc->gfx.scale_y -= VC_SCALE_STEP;
1627 
1628     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1629     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1630 
1631     gd_update_windowsize(vc);
1632 }
1633 
1634 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1635 {
1636     GtkDisplayState *s = opaque;
1637     VirtualConsole *vc = gd_vc_find_current(s);
1638 
1639     vc->gfx.scale_x = 1.0;
1640     vc->gfx.scale_y = 1.0;
1641 
1642     gd_update_windowsize(vc);
1643 }
1644 
1645 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1646 {
1647     GtkDisplayState *s = opaque;
1648     VirtualConsole *vc = gd_vc_find_current(s);
1649 
1650     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1651         s->free_scale = TRUE;
1652     } else {
1653         s->free_scale = FALSE;
1654         vc->gfx.scale_x = 1.0;
1655         vc->gfx.scale_y = 1.0;
1656     }
1657 
1658     gd_update_windowsize(vc);
1659     gd_update_full_redraw(vc);
1660 }
1661 
1662 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1663 {
1664     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1665     GdkSeat *seat = gdk_display_get_default_seat(display);
1666     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1667     GdkSeatCapabilities caps = 0;
1668     GdkCursor *cursor = NULL;
1669 
1670     if (kbd) {
1671         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1672     }
1673     if (ptr) {
1674         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1675         cursor = vc->s->null_cursor;
1676     }
1677 
1678     if (caps) {
1679         gdk_seat_grab(seat, window, caps, false, cursor,
1680                       NULL, NULL, NULL);
1681     } else {
1682         gdk_seat_ungrab(seat);
1683     }
1684 }
1685 
1686 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1687 {
1688     if (vc->s->kbd_owner) {
1689         if (vc->s->kbd_owner == vc) {
1690             return;
1691         } else {
1692             gd_ungrab_keyboard(vc->s);
1693         }
1694     }
1695 
1696     win32_kbd_set_grab(true);
1697     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1698     vc->s->kbd_owner = vc;
1699     gd_update_caption(vc->s);
1700     trace_gd_grab(vc->label, "kbd", reason);
1701 }
1702 
1703 static void gd_ungrab_keyboard(GtkDisplayState *s)
1704 {
1705     VirtualConsole *vc = s->kbd_owner;
1706 
1707     if (vc == NULL) {
1708         return;
1709     }
1710     s->kbd_owner = NULL;
1711 
1712     win32_kbd_set_grab(false);
1713     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1714     gd_update_caption(s);
1715     trace_gd_ungrab(vc->label, "kbd");
1716 }
1717 
1718 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1719 {
1720     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1721 
1722     if (vc->s->ptr_owner) {
1723         if (vc->s->ptr_owner == vc) {
1724             return;
1725         } else {
1726             gd_ungrab_pointer(vc->s);
1727         }
1728     }
1729 
1730     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1731     gdk_device_get_position(gd_get_pointer(display),
1732                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1733     vc->s->ptr_owner = vc;
1734     gd_update_caption(vc->s);
1735     trace_gd_grab(vc->label, "ptr", reason);
1736 }
1737 
1738 static void gd_ungrab_pointer(GtkDisplayState *s)
1739 {
1740     VirtualConsole *vc = s->ptr_owner;
1741     GdkDisplay *display;
1742 
1743     if (vc == NULL) {
1744         return;
1745     }
1746     s->ptr_owner = NULL;
1747 
1748     display = gtk_widget_get_display(vc->gfx.drawing_area);
1749     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1750     gdk_device_warp(gd_get_pointer(display),
1751                     gtk_widget_get_screen(vc->gfx.drawing_area),
1752                     vc->s->grab_x_root, vc->s->grab_y_root);
1753     gd_update_caption(s);
1754     trace_gd_ungrab(vc->label, "ptr");
1755 }
1756 
1757 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1758 {
1759     GtkDisplayState *s = opaque;
1760     VirtualConsole *vc = gd_vc_find_current(s);
1761 
1762     if (gd_is_grab_active(s)) {
1763         gd_grab_keyboard(vc, "user-request-main-window");
1764         gd_grab_pointer(vc, "user-request-main-window");
1765     } else {
1766         gd_ungrab_keyboard(s);
1767         gd_ungrab_pointer(s);
1768     }
1769 
1770     gd_update_cursor(vc);
1771 }
1772 
1773 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1774                            gpointer data)
1775 {
1776     GtkDisplayState *s = data;
1777     VirtualConsole *vc;
1778     gboolean on_vga;
1779 
1780     if (!gtk_widget_get_realized(s->notebook)) {
1781         return;
1782     }
1783 
1784     vc = gd_vc_find_by_page(s, arg2);
1785     if (!vc) {
1786         return;
1787     }
1788     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1789                                    TRUE);
1790     on_vga = (vc->type == GD_VC_GFX &&
1791               qemu_console_is_graphic(vc->gfx.dcl.con));
1792     if (!on_vga) {
1793         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1794                                        FALSE);
1795     } else if (s->full_screen) {
1796         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1797                                        TRUE);
1798     }
1799     gtk_widget_set_sensitive(s->grab_item, on_vga);
1800 #ifdef CONFIG_VTE
1801     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1802 #endif
1803 
1804     gd_update_windowsize(vc);
1805     gd_update_cursor(vc);
1806 }
1807 
1808 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1809                                gpointer opaque)
1810 {
1811     VirtualConsole *vc = opaque;
1812     GtkDisplayState *s = vc->s;
1813 
1814     if (gd_grab_on_hover(s)) {
1815         gd_grab_keyboard(vc, "grab-on-hover");
1816     }
1817     return TRUE;
1818 }
1819 
1820 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1821                                gpointer opaque)
1822 {
1823     VirtualConsole *vc = opaque;
1824     GtkDisplayState *s = vc->s;
1825 
1826     if (gd_grab_on_hover(s)) {
1827         gd_ungrab_keyboard(s);
1828     }
1829     return TRUE;
1830 }
1831 
1832 static gboolean gd_focus_in_event(GtkWidget *widget,
1833                                   GdkEventFocus *event, gpointer opaque)
1834 {
1835     VirtualConsole *vc = opaque;
1836 
1837     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1838     return TRUE;
1839 }
1840 
1841 static gboolean gd_focus_out_event(GtkWidget *widget,
1842                                    GdkEventFocus *event, gpointer opaque)
1843 {
1844     VirtualConsole *vc = opaque;
1845     GtkDisplayState *s = vc->s;
1846 
1847     win32_kbd_set_window(NULL);
1848     gtk_release_modifiers(s);
1849     return TRUE;
1850 }
1851 
1852 static gboolean gd_configure(GtkWidget *widget,
1853                              GdkEventConfigure *cfg, gpointer opaque)
1854 {
1855     VirtualConsole *vc = opaque;
1856     const double sx = vc->gfx.scale_x, sy = vc->gfx.scale_y;
1857     double width = cfg->width, height = cfg->height;
1858 
1859     if (!vc->s->free_scale && !vc->s->full_screen) {
1860         width /= sx;
1861         height /= sy;
1862     }
1863 
1864     gd_set_ui_size(vc, width, height);
1865 
1866     return FALSE;
1867 }
1868 
1869 /** Virtual Console Callbacks **/
1870 
1871 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1872                                int idx, GSList *group, GtkWidget *view_menu)
1873 {
1874     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1875     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1876             HOTKEY_MODIFIERS, 0,
1877             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1878     gtk_accel_label_set_accel(
1879             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1880             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1881 
1882     g_signal_connect(vc->menu_item, "activate",
1883                      G_CALLBACK(gd_menu_switch_vc), s);
1884     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1885 
1886     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1887 }
1888 
1889 #if defined(CONFIG_VTE)
1890 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1891 {
1892     GtkDisplayState *s = opaque;
1893     VirtualConsole *vc = gd_vc_find_current(s);
1894 
1895 #if VTE_CHECK_VERSION(0, 50, 0)
1896     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1897                                        VTE_FORMAT_TEXT);
1898 #else
1899     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1900 #endif
1901 }
1902 
1903 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1904 {
1905     VirtualConsole *vc = opaque;
1906 
1907     if (gtk_adjustment_get_upper(adjustment) >
1908         gtk_adjustment_get_page_size(adjustment)) {
1909         gtk_widget_show(vc->vte.scrollbar);
1910     } else {
1911         gtk_widget_hide(vc->vte.scrollbar);
1912     }
1913 }
1914 
1915 static void gd_vc_send_chars(VirtualConsole *vc)
1916 {
1917     uint32_t len, avail;
1918 
1919     len = qemu_chr_be_can_write(vc->vte.chr);
1920     avail = fifo8_num_used(&vc->vte.out_fifo);
1921     while (len > 0 && avail > 0) {
1922         const uint8_t *buf;
1923         uint32_t size;
1924 
1925         buf = fifo8_pop_bufptr(&vc->vte.out_fifo, MIN(len, avail), &size);
1926         qemu_chr_be_write(vc->vte.chr, buf, size);
1927         len = qemu_chr_be_can_write(vc->vte.chr);
1928         avail -= size;
1929     }
1930 }
1931 
1932 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1933 {
1934     VCChardev *vcd = VC_CHARDEV(chr);
1935     VirtualConsole *vc = vcd->console;
1936 
1937     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1938     return len;
1939 }
1940 
1941 static void gd_vc_chr_accept_input(Chardev *chr)
1942 {
1943     VCChardev *vcd = VC_CHARDEV(chr);
1944     VirtualConsole *vc = vcd->console;
1945 
1946     if (vc) {
1947         gd_vc_send_chars(vc);
1948     }
1949 }
1950 
1951 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1952 {
1953     VCChardev *vcd = VC_CHARDEV(chr);
1954     VirtualConsole *vc = vcd->console;
1955 
1956     if (vc) {
1957         vc->vte.echo = echo;
1958     } else {
1959         vcd->echo = echo;
1960     }
1961 }
1962 
1963 static int nb_vcs;
1964 static Chardev *vcs[MAX_VCS];
1965 static void gd_vc_open(Chardev *chr,
1966                        ChardevBackend *backend,
1967                        bool *be_opened,
1968                        Error **errp)
1969 {
1970     if (nb_vcs == MAX_VCS) {
1971         error_setg(errp, "Maximum number of consoles reached");
1972         return;
1973     }
1974 
1975     vcs[nb_vcs++] = chr;
1976 
1977     /* console/chardev init sometimes completes elsewhere in a 2nd
1978      * stage, so defer OPENED events until they are fully initialized
1979      */
1980     *be_opened = false;
1981 }
1982 
1983 static void char_gd_vc_class_init(ObjectClass *oc, const void *data)
1984 {
1985     ChardevClass *cc = CHARDEV_CLASS(oc);
1986 
1987     cc->open = gd_vc_open;
1988     cc->chr_write = gd_vc_chr_write;
1989     cc->chr_accept_input = gd_vc_chr_accept_input;
1990     cc->chr_set_echo = gd_vc_chr_set_echo;
1991 }
1992 
1993 static const TypeInfo char_gd_vc_type_info = {
1994     .name = TYPE_CHARDEV_VC,
1995     .parent = TYPE_CHARDEV,
1996     .instance_size = sizeof(VCChardev),
1997     .class_init = char_gd_vc_class_init,
1998 };
1999 
2000 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
2001                          gpointer user_data)
2002 {
2003     VirtualConsole *vc = user_data;
2004     uint32_t free;
2005 
2006     if (vc->vte.echo) {
2007         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
2008         int i;
2009         for (i = 0; i < size; i++) {
2010             uint8_t c = text[i];
2011             if (c >= 128 || isprint(c)) {
2012                 /* 8-bit characters are considered printable.  */
2013                 vte_terminal_feed(term, &text[i], 1);
2014             } else if (c == '\r' || c == '\n') {
2015                 vte_terminal_feed(term, "\r\n", 2);
2016             } else {
2017                 char ctrl[2] = { '^', 0};
2018                 ctrl[1] = text[i] ^ 64;
2019                 vte_terminal_feed(term, ctrl, 2);
2020             }
2021         }
2022     }
2023 
2024     free = fifo8_num_free(&vc->vte.out_fifo);
2025     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
2026     gd_vc_send_chars(vc);
2027 
2028     return TRUE;
2029 }
2030 
2031 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
2032                               Chardev *chr, int idx,
2033                               GSList *group, GtkWidget *view_menu)
2034 {
2035     char buffer[32];
2036     GtkWidget *box;
2037     GtkWidget *scrollbar;
2038     GtkAdjustment *vadjustment;
2039     VCChardev *vcd = VC_CHARDEV(chr);
2040 
2041     vc->s = s;
2042     vc->vte.echo = vcd->echo;
2043     vc->vte.chr = chr;
2044     fifo8_create(&vc->vte.out_fifo, 4096);
2045     vcd->console = vc;
2046 
2047     snprintf(buffer, sizeof(buffer), "vc%d", idx);
2048     vc->label = g_strdup(vc->vte.chr->label ? : buffer);
2049     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2050 
2051     vc->vte.terminal = vte_terminal_new();
2052     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
2053 
2054     /* The documentation says that the default is UTF-8, but actually it is
2055      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
2056      * VTE 0.54 (only UTF-8 is supported now). */
2057 #if !VTE_CHECK_VERSION(0, 54, 0)
2058 #if VTE_CHECK_VERSION(0, 38, 0)
2059     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
2060 #else
2061     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
2062 #endif
2063 #endif
2064 
2065     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
2066     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
2067                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
2068 
2069 #if VTE_CHECK_VERSION(0, 28, 0)
2070     vadjustment = gtk_scrollable_get_vadjustment
2071         (GTK_SCROLLABLE(vc->vte.terminal));
2072 #else
2073     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
2074 #endif
2075 
2076     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
2077     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
2078 
2079     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
2080     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
2081 
2082     vc->vte.box = box;
2083     vc->vte.scrollbar = scrollbar;
2084 
2085     g_signal_connect(vadjustment, "changed",
2086                      G_CALLBACK(gd_vc_adjustment_changed), vc);
2087 
2088     vc->type = GD_VC_VTE;
2089     vc->tab_item = box;
2090     vc->focus = vc->vte.terminal;
2091     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
2092                              gtk_label_new(vc->label));
2093 
2094     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
2095 
2096     return group;
2097 }
2098 
2099 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
2100                         GtkWidget *view_menu)
2101 {
2102     int i;
2103 
2104     for (i = 0; i < nb_vcs; i++) {
2105         VirtualConsole *vc = &s->vc[s->nb_vcs];
2106         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
2107         s->nb_vcs++;
2108     }
2109 }
2110 #endif /* CONFIG_VTE */
2111 
2112 /** Window Creation **/
2113 
2114 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
2115 {
2116     g_signal_connect(vc->gfx.drawing_area, "draw",
2117                      G_CALLBACK(gd_draw_event), vc);
2118 #if defined(CONFIG_OPENGL)
2119     if (gtk_use_gl_area) {
2120         /* wire up GtkGlArea events */
2121         g_signal_connect(vc->gfx.drawing_area, "render",
2122                          G_CALLBACK(gd_render_event), vc);
2123         g_signal_connect(vc->gfx.drawing_area, "resize",
2124                          G_CALLBACK(gd_resize_event), vc);
2125     }
2126 #endif
2127     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
2128         g_signal_connect(vc->gfx.drawing_area, "event",
2129                          G_CALLBACK(gd_event), vc);
2130         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
2131                          G_CALLBACK(gd_button_event), vc);
2132         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
2133                          G_CALLBACK(gd_button_event), vc);
2134         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
2135                          G_CALLBACK(gd_scroll_event), vc);
2136         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2137                          G_CALLBACK(gd_key_event), vc);
2138         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
2139                          G_CALLBACK(gd_key_event), vc);
2140         g_signal_connect(vc->gfx.drawing_area, "touch-event",
2141                          G_CALLBACK(gd_touch_event), vc);
2142 
2143         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
2144                          G_CALLBACK(gd_enter_event), vc);
2145         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
2146                          G_CALLBACK(gd_leave_event), vc);
2147         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
2148                          G_CALLBACK(gd_focus_in_event), vc);
2149         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
2150                          G_CALLBACK(gd_focus_out_event), vc);
2151         g_signal_connect(vc->gfx.drawing_area, "configure-event",
2152                          G_CALLBACK(gd_configure), vc);
2153         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
2154                          G_CALLBACK(gd_grab_broken_event), vc);
2155     } else {
2156         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2157                          G_CALLBACK(gd_text_key_down), vc);
2158     }
2159 }
2160 
2161 static void gd_connect_signals(GtkDisplayState *s)
2162 {
2163     g_signal_connect(s->show_tabs_item, "activate",
2164                      G_CALLBACK(gd_menu_show_tabs), s);
2165     g_signal_connect(s->untabify_item, "activate",
2166                      G_CALLBACK(gd_menu_untabify), s);
2167     g_signal_connect(s->show_menubar_item, "activate",
2168                      G_CALLBACK(gd_menu_show_menubar), s);
2169 
2170     g_signal_connect(s->window, "delete-event",
2171                      G_CALLBACK(gd_window_close), s);
2172 
2173     g_signal_connect(s->pause_item, "activate",
2174                      G_CALLBACK(gd_menu_pause), s);
2175     g_signal_connect(s->reset_item, "activate",
2176                      G_CALLBACK(gd_menu_reset), s);
2177     g_signal_connect(s->powerdown_item, "activate",
2178                      G_CALLBACK(gd_menu_powerdown), s);
2179     g_signal_connect(s->quit_item, "activate",
2180                      G_CALLBACK(gd_menu_quit), s);
2181 #if defined(CONFIG_VTE)
2182     g_signal_connect(s->copy_item, "activate",
2183                      G_CALLBACK(gd_menu_copy), s);
2184 #endif
2185     g_signal_connect(s->full_screen_item, "activate",
2186                      G_CALLBACK(gd_menu_full_screen), s);
2187     g_signal_connect(s->zoom_in_item, "activate",
2188                      G_CALLBACK(gd_menu_zoom_in), s);
2189     g_signal_connect(s->zoom_out_item, "activate",
2190                      G_CALLBACK(gd_menu_zoom_out), s);
2191     g_signal_connect(s->zoom_fixed_item, "activate",
2192                      G_CALLBACK(gd_menu_zoom_fixed), s);
2193     g_signal_connect(s->zoom_fit_item, "activate",
2194                      G_CALLBACK(gd_menu_zoom_fit), s);
2195     g_signal_connect(s->grab_item, "activate",
2196                      G_CALLBACK(gd_menu_grab_input), s);
2197     g_signal_connect(s->notebook, "switch-page",
2198                      G_CALLBACK(gd_change_page), s);
2199 }
2200 
2201 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2202 {
2203     GtkWidget *machine_menu;
2204     GtkWidget *separator;
2205 
2206     machine_menu = gtk_menu_new();
2207     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2208 
2209     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2210     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2211 
2212     separator = gtk_separator_menu_item_new();
2213     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2214 
2215     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2216     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2217 
2218     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2219     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2220 
2221     separator = gtk_separator_menu_item_new();
2222     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2223 
2224     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2225     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2226                                  "<QEMU>/Machine/Quit");
2227     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2228                             GDK_KEY_q, HOTKEY_MODIFIERS);
2229     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2230 
2231     return machine_menu;
2232 }
2233 
2234 #if defined(CONFIG_OPENGL)
2235 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2236 {
2237     gtk_gl_area_make_current(area);
2238     qemu_egl_display = eglGetCurrentDisplay();
2239     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2240     if (!vc->gfx.has_dmabuf) {
2241         error_report("GtkGLArea console lacks DMABUF support.");
2242     }
2243 }
2244 #endif
2245 
2246 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2247                               QemuConsole *con, int idx,
2248                               GSList *group, GtkWidget *view_menu)
2249 {
2250     bool zoom_to_fit = false;
2251     int i;
2252 
2253     vc->label = qemu_console_get_label(con);
2254     vc->s = s;
2255     vc->gfx.scale_x = 1.0;
2256     vc->gfx.scale_y = 1.0;
2257 
2258 #if defined(CONFIG_OPENGL)
2259     if (display_opengl) {
2260         if (gtk_use_gl_area) {
2261             vc->gfx.drawing_area = gtk_gl_area_new();
2262             g_signal_connect(vc->gfx.drawing_area, "realize",
2263                              G_CALLBACK(gl_area_realize), vc);
2264             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2265             vc->gfx.dgc.ops = &gl_area_ctx_ops;
2266         } else {
2267 #ifdef CONFIG_X11
2268             vc->gfx.drawing_area = gtk_drawing_area_new();
2269             /*
2270              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2271              * It is required for opengl rendering on X11 though.  A
2272              * proper replacement (native opengl support) is only
2273              * available in 3.16+.  Silence the warning if possible.
2274              */
2275 #pragma GCC diagnostic push
2276 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2277             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2278 #pragma GCC diagnostic pop
2279             vc->gfx.dcl.ops = &dcl_egl_ops;
2280             vc->gfx.dgc.ops = &egl_ctx_ops;
2281             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2282 #else
2283             abort();
2284 #endif
2285         }
2286     } else
2287 #endif
2288     {
2289         vc->gfx.drawing_area = gtk_drawing_area_new();
2290         vc->gfx.dcl.ops = &dcl_ops;
2291     }
2292 
2293 
2294     gtk_widget_add_events(vc->gfx.drawing_area,
2295                           GDK_POINTER_MOTION_MASK |
2296                           GDK_BUTTON_PRESS_MASK |
2297                           GDK_BUTTON_RELEASE_MASK |
2298                           GDK_BUTTON_MOTION_MASK |
2299                           GDK_TOUCH_MASK |
2300                           GDK_ENTER_NOTIFY_MASK |
2301                           GDK_LEAVE_NOTIFY_MASK |
2302                           GDK_SCROLL_MASK |
2303                           GDK_SMOOTH_SCROLL_MASK |
2304                           GDK_KEY_PRESS_MASK);
2305     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2306 
2307     vc->type = GD_VC_GFX;
2308     vc->tab_item = vc->gfx.drawing_area;
2309     vc->focus = vc->gfx.drawing_area;
2310     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2311                              vc->tab_item, gtk_label_new(vc->label));
2312 
2313     vc->gfx.kbd = qkbd_state_init(con);
2314     vc->gfx.dcl.con = con;
2315 
2316     if (display_opengl) {
2317         qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2318     }
2319     register_displaychangelistener(&vc->gfx.dcl);
2320 
2321     gd_connect_vc_gfx_signals(vc);
2322     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2323 
2324     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2325         zoom_to_fit = true;
2326     }
2327     if (s->opts->u.gtk.has_zoom_to_fit) {
2328         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2329     }
2330     if (zoom_to_fit) {
2331         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2332         s->free_scale = true;
2333     }
2334 
2335     s->keep_aspect_ratio = true;
2336     if (s->opts->u.gtk.has_keep_aspect_ratio)
2337         s->keep_aspect_ratio = s->opts->u.gtk.keep_aspect_ratio;
2338 
2339     for (i = 0; i < INPUT_EVENT_SLOTS_MAX; i++) {
2340         struct touch_slot *slot = &touch_slots[i];
2341         slot->tracking_id = -1;
2342     }
2343 
2344     return group;
2345 }
2346 
2347 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, DisplayOptions *opts)
2348 {
2349     GSList *group = NULL;
2350     GtkWidget *view_menu;
2351     GtkWidget *separator;
2352     QemuConsole *con;
2353     int vc;
2354 
2355     view_menu = gtk_menu_new();
2356     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2357 
2358     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2359 
2360 #if defined(CONFIG_VTE)
2361     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2362     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2363 #endif
2364 
2365     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2366             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2367     gtk_accel_label_set_accel(
2368             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2369             GDK_KEY_f, HOTKEY_MODIFIERS);
2370     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2371 
2372     separator = gtk_separator_menu_item_new();
2373     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2374 
2375     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2376     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2377                                  "<QEMU>/View/Zoom In");
2378     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2379                             HOTKEY_MODIFIERS);
2380     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2381             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2382     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2383 
2384     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2385     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2386                                  "<QEMU>/View/Zoom Out");
2387     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2388                             HOTKEY_MODIFIERS);
2389     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2390 
2391     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2392     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2393                                  "<QEMU>/View/Zoom Fixed");
2394     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2395                             HOTKEY_MODIFIERS);
2396     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2397 
2398     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2399     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2400 
2401     separator = gtk_separator_menu_item_new();
2402     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2403 
2404     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2405     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2406 
2407     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2408     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2409                                  "<QEMU>/View/Grab Input");
2410     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2411                             HOTKEY_MODIFIERS);
2412     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2413 
2414     separator = gtk_separator_menu_item_new();
2415     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2416 
2417     /* gfx */
2418     for (vc = 0;; vc++) {
2419         con = qemu_console_lookup_by_index(vc);
2420         if (!con) {
2421             break;
2422         }
2423         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2424                                vc, group, view_menu);
2425         s->nb_vcs++;
2426     }
2427 
2428 #if defined(CONFIG_VTE)
2429     /* vte */
2430     gd_vcs_init(s, group, view_menu);
2431 #endif
2432 
2433     separator = gtk_separator_menu_item_new();
2434     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2435 
2436     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2437     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2438 
2439     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2440     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2441 
2442     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2443             _("Show Menubar"));
2444     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2445                                    !opts->u.gtk.has_show_menubar ||
2446                                    opts->u.gtk.show_menubar);
2447     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2448             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2449     gtk_accel_label_set_accel(
2450             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2451             GDK_KEY_m, HOTKEY_MODIFIERS);
2452     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2453 
2454     return view_menu;
2455 }
2456 
2457 static void gd_create_menus(GtkDisplayState *s, DisplayOptions *opts)
2458 {
2459     GtkSettings *settings;
2460 
2461     s->accel_group = gtk_accel_group_new();
2462     s->machine_menu = gd_create_menu_machine(s);
2463     s->view_menu = gd_create_menu_view(s, opts);
2464 
2465     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2466     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2467                               s->machine_menu);
2468     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2469 
2470     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2471     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2472     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2473 
2474     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2475     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2476 
2477     /* Disable the default "F10" menu shortcut. */
2478     settings = gtk_widget_get_settings(s->window);
2479     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2480 }
2481 
2482 
2483 static gboolean gtkinit;
2484 
2485 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2486 {
2487     VirtualConsole *vc;
2488 
2489     GtkDisplayState *s;
2490     GdkDisplay *window_display;
2491     GtkIconTheme *theme;
2492     char *dir;
2493     int idx;
2494 
2495     if (!gtkinit) {
2496         fprintf(stderr, "gtk initialization failed\n");
2497         exit(1);
2498     }
2499     assert(opts->type == DISPLAY_TYPE_GTK);
2500     s = g_malloc0(sizeof(*s));
2501     s->opts = opts;
2502 
2503     theme = gtk_icon_theme_get_default();
2504     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2505     gtk_icon_theme_prepend_search_path(theme, dir);
2506     g_free(dir);
2507     g_set_prgname("qemu");
2508 
2509     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2510     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2511     s->notebook = gtk_notebook_new();
2512     s->menu_bar = gtk_menu_bar_new();
2513 
2514     s->free_scale = FALSE;
2515 
2516     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2517      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2518      * printable, but without changing any of the character classes to make
2519      * sure that we don't accidentally break implicit assumptions.  */
2520     setlocale(LC_MESSAGES, "");
2521     setlocale(LC_CTYPE, "C.UTF-8");
2522     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2523     bindtextdomain("qemu", dir);
2524     g_free(dir);
2525     bind_textdomain_codeset("qemu", "UTF-8");
2526     textdomain("qemu");
2527 
2528     window_display = gtk_widget_get_display(s->window);
2529     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2530         s->null_cursor = NULL; /* default pointer */
2531     } else {
2532         s->null_cursor = gdk_cursor_new_for_display(window_display,
2533                                                     GDK_BLANK_CURSOR);
2534     }
2535 
2536     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2537     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2538     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2539 
2540     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2541 
2542     gd_create_menus(s, opts);
2543 
2544     gd_connect_signals(s);
2545 
2546     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2547     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2548 
2549     gd_update_caption(s);
2550 
2551     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2552     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2553 
2554     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2555 
2556     gtk_widget_show_all(s->window);
2557 
2558     for (idx = 0;; idx++) {
2559         QemuConsole *con = qemu_console_lookup_by_index(idx);
2560         if (!con) {
2561             break;
2562         }
2563         gtk_widget_realize(s->vc[idx].gfx.drawing_area);
2564     }
2565 
2566     if (opts->u.gtk.has_show_menubar &&
2567         !opts->u.gtk.show_menubar) {
2568         gtk_widget_hide(s->menu_bar);
2569     }
2570 
2571     vc = gd_vc_find_current(s);
2572     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2573 #ifdef CONFIG_VTE
2574     gtk_widget_set_sensitive(s->copy_item,
2575                              vc && vc->type == GD_VC_VTE);
2576 #endif
2577 
2578     if (opts->has_full_screen &&
2579         opts->full_screen) {
2580         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2581     }
2582     if (opts->u.gtk.has_grab_on_hover &&
2583         opts->u.gtk.grab_on_hover) {
2584         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2585     }
2586     if (opts->u.gtk.has_show_tabs &&
2587         opts->u.gtk.show_tabs) {
2588         gtk_menu_item_activate(GTK_MENU_ITEM(s->show_tabs_item));
2589     }
2590 #ifdef CONFIG_GTK_CLIPBOARD
2591     gd_clipboard_init(s);
2592 #endif /* CONFIG_GTK_CLIPBOARD */
2593 
2594     /* GTK's event polling must happen on the main thread. */
2595     qemu_main = NULL;
2596 }
2597 
2598 static void early_gtk_display_init(DisplayOptions *opts)
2599 {
2600     /* The QEMU code relies on the assumption that it's always run in
2601      * the C locale. Therefore it is not prepared to deal with
2602      * operations that produce different results depending on the
2603      * locale, such as printf's formatting of decimal numbers, and
2604      * possibly others.
2605      *
2606      * Since GTK+ calls setlocale() by default -importing the locale
2607      * settings from the environment- we must prevent it from doing so
2608      * using gtk_disable_setlocale().
2609      *
2610      * QEMU's GTK+ UI, however, _does_ have translations for some of
2611      * the menu items. As a trade-off between a functionally correct
2612      * QEMU and a fully internationalized UI we support importing
2613      * LC_MESSAGES from the environment (see the setlocale() call
2614      * earlier in this file). This allows us to display translated
2615      * messages leaving everything else untouched.
2616      */
2617     gtk_disable_setlocale();
2618     gtkinit = gtk_init_check(NULL, NULL);
2619     if (!gtkinit) {
2620         /* don't exit yet, that'll break -help */
2621         return;
2622     }
2623 
2624     assert(opts->type == DISPLAY_TYPE_GTK);
2625     if (opts->has_gl && opts->gl != DISPLAY_GL_MODE_OFF) {
2626 #if defined(CONFIG_OPENGL)
2627 #if defined(GDK_WINDOWING_WAYLAND)
2628         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2629             gtk_use_gl_area = true;
2630             gtk_gl_area_init();
2631         } else
2632 #endif
2633 #if defined(GDK_WINDOWING_WIN32)
2634         if (GDK_IS_WIN32_DISPLAY(gdk_display_get_default())) {
2635             gtk_use_gl_area = true;
2636             gtk_gl_area_init();
2637         } else
2638 #endif
2639         {
2640 #ifdef CONFIG_X11
2641             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAY_GL_MODE_ON;
2642             gtk_egl_init(mode);
2643 #endif
2644         }
2645 #endif
2646     }
2647 
2648     keycode_map = gd_get_keymap(&keycode_maplen);
2649 
2650 #if defined(CONFIG_VTE)
2651     type_register_static(&char_gd_vc_type_info);
2652 #endif
2653 }
2654 
2655 static QemuDisplay qemu_display_gtk = {
2656     .type       = DISPLAY_TYPE_GTK,
2657     .early_init = early_gtk_display_init,
2658     .init       = gtk_display_init,
2659     .vc         = "vc",
2660 };
2661 
2662 static void register_gtk(void)
2663 {
2664     qemu_display_register(&qemu_display_gtk);
2665 }
2666 
2667 type_init(register_gtk);
2668 
2669 #ifdef CONFIG_OPENGL
2670 module_dep("ui-opengl");
2671 #endif
2672