xref: /openbmc/qemu/ui/gtk.c (revision 30b6852c)
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/main-loop.h"
40 
41 #include "ui/console.h"
42 #include "ui/gtk.h"
43 #ifdef G_OS_WIN32
44 #include <gdk/gdkwin32.h>
45 #endif
46 #include "ui/win32-kbd-hook.h"
47 
48 #include <glib/gi18n.h>
49 #include <locale.h>
50 #if defined(CONFIG_VTE)
51 #include <vte/vte.h>
52 #endif
53 #include <math.h>
54 
55 #include "trace.h"
56 #include "qemu/cutils.h"
57 #include "ui/input.h"
58 #include "sysemu/runstate.h"
59 #include "sysemu/sysemu.h"
60 #include "keymaps.h"
61 #include "chardev/char.h"
62 #include "qom/object.h"
63 
64 #define VC_WINDOW_X_MIN  320
65 #define VC_WINDOW_Y_MIN  240
66 #define VC_TERM_X_MIN     80
67 #define VC_TERM_Y_MIN     25
68 #define VC_SCALE_MIN    0.25
69 #define VC_SCALE_STEP   0.25
70 
71 #ifdef GDK_WINDOWING_X11
72 #include "x_keymap.h"
73 
74 /* Gtk2 compat */
75 #ifndef GDK_IS_X11_DISPLAY
76 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
77 #endif
78 #endif
79 
80 
81 #ifdef GDK_WINDOWING_WAYLAND
82 /* Gtk2 compat */
83 #ifndef GDK_IS_WAYLAND_DISPLAY
84 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
85 #endif
86 #endif
87 
88 
89 #ifdef GDK_WINDOWING_WIN32
90 /* Gtk2 compat */
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
93 #endif
94 #endif
95 
96 
97 #ifdef GDK_WINDOWING_BROADWAY
98 /* Gtk2 compat */
99 #ifndef GDK_IS_BROADWAY_DISPLAY
100 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
101 #endif
102 #endif
103 
104 
105 #ifdef GDK_WINDOWING_QUARTZ
106 /* Gtk2 compat */
107 #ifndef GDK_IS_QUARTZ_DISPLAY
108 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
109 #endif
110 #endif
111 
112 
113 #if !defined(CONFIG_VTE)
114 # define VTE_CHECK_VERSION(a, b, c) 0
115 #endif
116 
117 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
118 
119 static const guint16 *keycode_map;
120 static size_t keycode_maplen;
121 
122 struct VCChardev {
123     Chardev parent;
124     VirtualConsole *console;
125     bool echo;
126 };
127 typedef struct VCChardev VCChardev;
128 
129 #define TYPE_CHARDEV_VC "chardev-vc"
130 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
131                          TYPE_CHARDEV_VC)
132 
133 bool gtk_use_gl_area;
134 
135 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
136 static void gd_ungrab_pointer(GtkDisplayState *s);
137 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
138 static void gd_ungrab_keyboard(GtkDisplayState *s);
139 
140 /** Utility Functions **/
141 
142 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
143 {
144     VirtualConsole *vc;
145     gint i;
146 
147     for (i = 0; i < s->nb_vcs; i++) {
148         vc = &s->vc[i];
149         if (gtk_check_menu_item_get_active
150             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
151             return vc;
152         }
153     }
154     return NULL;
155 }
156 
157 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
158 {
159     VirtualConsole *vc;
160     gint i, p;
161 
162     for (i = 0; i < s->nb_vcs; i++) {
163         vc = &s->vc[i];
164         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
165         if (p == page) {
166             return vc;
167         }
168     }
169     return NULL;
170 }
171 
172 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
173 {
174     gint page;
175 
176     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
177     return gd_vc_find_by_page(s, page);
178 }
179 
180 static bool gd_is_grab_active(GtkDisplayState *s)
181 {
182     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
183 }
184 
185 static bool gd_grab_on_hover(GtkDisplayState *s)
186 {
187     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
188 }
189 
190 static void gd_update_cursor(VirtualConsole *vc)
191 {
192     GtkDisplayState *s = vc->s;
193     GdkWindow *window;
194 
195     if (vc->type != GD_VC_GFX ||
196         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
197         return;
198     }
199 
200     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
201         return;
202     }
203 
204     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
205     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
206         gdk_window_set_cursor(window, s->null_cursor);
207     } else {
208         gdk_window_set_cursor(window, NULL);
209     }
210 }
211 
212 static void gd_update_caption(GtkDisplayState *s)
213 {
214     const char *status = "";
215     gchar *prefix;
216     gchar *title;
217     const char *grab = "";
218     bool is_paused = !runstate_is_running();
219     int i;
220 
221     if (qemu_name) {
222         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
223     } else {
224         prefix = g_strdup_printf("QEMU");
225     }
226 
227     if (s->ptr_owner != NULL &&
228         s->ptr_owner->window == NULL) {
229         grab = _(" - Press Ctrl+Alt+G to release grab");
230     }
231 
232     if (is_paused) {
233         status = _(" [Paused]");
234     }
235     s->external_pause_update = true;
236     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
237                                    is_paused);
238     s->external_pause_update = false;
239 
240     title = g_strdup_printf("%s%s%s", prefix, status, grab);
241     gtk_window_set_title(GTK_WINDOW(s->window), title);
242     g_free(title);
243 
244     for (i = 0; i < s->nb_vcs; i++) {
245         VirtualConsole *vc = &s->vc[i];
246 
247         if (!vc->window) {
248             continue;
249         }
250         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
251                                 vc == s->kbd_owner ? " +kbd" : "",
252                                 vc == s->ptr_owner ? " +ptr" : "");
253         gtk_window_set_title(GTK_WINDOW(vc->window), title);
254         g_free(title);
255     }
256 
257     g_free(prefix);
258 }
259 
260 static void gd_update_geometry_hints(VirtualConsole *vc)
261 {
262     GtkDisplayState *s = vc->s;
263     GdkWindowHints mask = 0;
264     GdkGeometry geo = {};
265     GtkWidget *geo_widget = NULL;
266     GtkWindow *geo_window;
267 
268     if (vc->type == GD_VC_GFX) {
269         if (!vc->gfx.ds) {
270             return;
271         }
272         if (s->free_scale) {
273             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
274             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
275             mask |= GDK_HINT_MIN_SIZE;
276         } else {
277             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
278             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
279             mask |= GDK_HINT_MIN_SIZE;
280         }
281         geo_widget = vc->gfx.drawing_area;
282         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
283 
284 #if defined(CONFIG_VTE)
285     } else if (vc->type == GD_VC_VTE) {
286         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
287         GtkBorder padding = { 0 };
288 
289 #if VTE_CHECK_VERSION(0, 37, 0)
290         gtk_style_context_get_padding(
291                 gtk_widget_get_style_context(vc->vte.terminal),
292                 gtk_widget_get_state_flags(vc->vte.terminal),
293                 &padding);
294 #else
295         {
296             GtkBorder *ib = NULL;
297             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
298             if (ib) {
299                 padding = *ib;
300                 gtk_border_free(ib);
301             }
302         }
303 #endif
304 
305         geo.width_inc  = vte_terminal_get_char_width(term);
306         geo.height_inc = vte_terminal_get_char_height(term);
307         mask |= GDK_HINT_RESIZE_INC;
308         geo.base_width  = geo.width_inc;
309         geo.base_height = geo.height_inc;
310         mask |= GDK_HINT_BASE_SIZE;
311         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
312         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
313         mask |= GDK_HINT_MIN_SIZE;
314 
315         geo.base_width  += padding.left + padding.right;
316         geo.base_height += padding.top + padding.bottom;
317         geo.min_width   += padding.left + padding.right;
318         geo.min_height  += padding.top + padding.bottom;
319         geo_widget = vc->vte.terminal;
320 #endif
321     }
322 
323     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
324     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
325 }
326 
327 void gd_update_windowsize(VirtualConsole *vc)
328 {
329     GtkDisplayState *s = vc->s;
330 
331     gd_update_geometry_hints(vc);
332 
333     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
334         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
335                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
336     }
337 }
338 
339 static void gd_update_full_redraw(VirtualConsole *vc)
340 {
341     GtkWidget *area = vc->gfx.drawing_area;
342     int ww, wh;
343     ww = gdk_window_get_width(gtk_widget_get_window(area));
344     wh = gdk_window_get_height(gtk_widget_get_window(area));
345 #if defined(CONFIG_OPENGL)
346     if (vc->gfx.gls && gtk_use_gl_area) {
347         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
348         return;
349     }
350 #endif
351     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
352 }
353 
354 static void gtk_release_modifiers(GtkDisplayState *s)
355 {
356     VirtualConsole *vc = gd_vc_find_current(s);
357 
358     if (vc->type != GD_VC_GFX ||
359         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
360         return;
361     }
362     qkbd_state_lift_all_keys(vc->gfx.kbd);
363 }
364 
365 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
366                                GtkWidget *widget)
367 {
368     g_object_ref(G_OBJECT(widget));
369     gtk_container_remove(GTK_CONTAINER(from), widget);
370     gtk_container_add(GTK_CONTAINER(to), widget);
371     g_object_unref(G_OBJECT(widget));
372 }
373 
374 static void *gd_win32_get_hwnd(VirtualConsole *vc)
375 {
376 #ifdef G_OS_WIN32
377     return gdk_win32_window_get_impl_hwnd(
378         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
379 #else
380     return NULL;
381 #endif
382 }
383 
384 /** DisplayState Callbacks **/
385 
386 static void gd_update(DisplayChangeListener *dcl,
387                       int x, int y, int w, int h)
388 {
389     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
390     GdkWindow *win;
391     int x1, x2, y1, y2;
392     int mx, my;
393     int fbw, fbh;
394     int ww, wh;
395 
396     trace_gd_update(vc->label, x, y, w, h);
397 
398     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
399         return;
400     }
401 
402     if (vc->gfx.convert) {
403         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
404                                NULL, vc->gfx.convert,
405                                x, y, 0, 0, x, y, w, h);
406     }
407 
408     x1 = floor(x * vc->gfx.scale_x);
409     y1 = floor(y * vc->gfx.scale_y);
410 
411     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
412     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
413 
414     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
415     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
416 
417     win = gtk_widget_get_window(vc->gfx.drawing_area);
418     if (!win) {
419         return;
420     }
421     ww = gdk_window_get_width(win);
422     wh = gdk_window_get_height(win);
423 
424     mx = my = 0;
425     if (ww > fbw) {
426         mx = (ww - fbw) / 2;
427     }
428     if (wh > fbh) {
429         my = (wh - fbh) / 2;
430     }
431 
432     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
433                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
434 }
435 
436 static void gd_refresh(DisplayChangeListener *dcl)
437 {
438     graphic_hw_update(dcl->con);
439 }
440 
441 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
442 {
443     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
444 }
445 
446 static void gd_mouse_set(DisplayChangeListener *dcl,
447                          int x, int y, int visible)
448 {
449     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
450     GdkDisplay *dpy;
451     gint x_root, y_root;
452 
453     if (qemu_input_is_absolute()) {
454         return;
455     }
456 
457     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
458     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
459                                x, y, &x_root, &y_root);
460     gdk_device_warp(gd_get_pointer(dpy),
461                     gtk_widget_get_screen(vc->gfx.drawing_area),
462                     x_root, y_root);
463     vc->s->last_x = x;
464     vc->s->last_y = y;
465 }
466 
467 static void gd_cursor_define(DisplayChangeListener *dcl,
468                              QEMUCursor *c)
469 {
470     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
471     GdkPixbuf *pixbuf;
472     GdkCursor *cursor;
473 
474     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
475         return;
476     }
477 
478     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
479                                       GDK_COLORSPACE_RGB, true, 8,
480                                       c->width, c->height, c->width * 4,
481                                       NULL, NULL);
482     cursor = gdk_cursor_new_from_pixbuf
483         (gtk_widget_get_display(vc->gfx.drawing_area),
484          pixbuf, c->hot_x, c->hot_y);
485     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
486     g_object_unref(pixbuf);
487     g_object_unref(cursor);
488 }
489 
490 static void gd_switch(DisplayChangeListener *dcl,
491                       DisplaySurface *surface)
492 {
493     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
494     bool resized = true;
495 
496     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
497 
498     if (vc->gfx.surface) {
499         cairo_surface_destroy(vc->gfx.surface);
500         vc->gfx.surface = NULL;
501     }
502     if (vc->gfx.convert) {
503         pixman_image_unref(vc->gfx.convert);
504         vc->gfx.convert = NULL;
505     }
506 
507     if (vc->gfx.ds &&
508         surface_width(vc->gfx.ds) == surface_width(surface) &&
509         surface_height(vc->gfx.ds) == surface_height(surface)) {
510         resized = false;
511     }
512     vc->gfx.ds = surface;
513 
514     if (surface->format == PIXMAN_x8r8g8b8) {
515         /*
516          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
517          *
518          * No need to convert, use surface directly.  Should be the
519          * common case as this is qemu_default_pixelformat(32) too.
520          */
521         vc->gfx.surface = cairo_image_surface_create_for_data
522             (surface_data(surface),
523              CAIRO_FORMAT_RGB24,
524              surface_width(surface),
525              surface_height(surface),
526              surface_stride(surface));
527     } else {
528         /* Must convert surface, use pixman to do it. */
529         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
530                                                    surface_width(surface),
531                                                    surface_height(surface),
532                                                    NULL, 0);
533         vc->gfx.surface = cairo_image_surface_create_for_data
534             ((void *)pixman_image_get_data(vc->gfx.convert),
535              CAIRO_FORMAT_RGB24,
536              pixman_image_get_width(vc->gfx.convert),
537              pixman_image_get_height(vc->gfx.convert),
538              pixman_image_get_stride(vc->gfx.convert));
539         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
540                                NULL, vc->gfx.convert,
541                                0, 0, 0, 0, 0, 0,
542                                pixman_image_get_width(vc->gfx.convert),
543                                pixman_image_get_height(vc->gfx.convert));
544     }
545 
546     if (resized) {
547         gd_update_windowsize(vc);
548     } else {
549         gd_update_full_redraw(vc);
550     }
551 }
552 
553 static const DisplayChangeListenerOps dcl_ops = {
554     .dpy_name             = "gtk",
555     .dpy_gfx_update       = gd_update,
556     .dpy_gfx_switch       = gd_switch,
557     .dpy_gfx_check_format = qemu_pixman_check_format,
558     .dpy_refresh          = gd_refresh,
559     .dpy_mouse_set        = gd_mouse_set,
560     .dpy_cursor_define    = gd_cursor_define,
561 };
562 
563 
564 #if defined(CONFIG_OPENGL)
565 
566 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
567 {
568     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
569 
570     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
571         /* FIXME: Assume it will work, actual check done after realize */
572         /* fixing this would require delaying listener registration */
573         return true;
574     }
575 
576     return vc->gfx.has_dmabuf;
577 }
578 
579 static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
580                                  QemuDmaBuf *dmabuf)
581 {
582 #ifdef CONFIG_GBM
583     egl_dmabuf_release_texture(dmabuf);
584 #endif
585 }
586 
587 void gd_hw_gl_flushed(void *vcon)
588 {
589     VirtualConsole *vc = vcon;
590     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
591 
592     graphic_hw_gl_block(vc->gfx.dcl.con, false);
593     graphic_hw_gl_flushed(vc->gfx.dcl.con);
594     qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
595     close(dmabuf->fence_fd);
596     dmabuf->fence_fd = -1;
597 }
598 
599 /** DisplayState Callbacks (opengl version) **/
600 
601 static const DisplayChangeListenerOps dcl_gl_area_ops = {
602     .dpy_name             = "gtk-egl",
603     .dpy_gfx_update       = gd_gl_area_update,
604     .dpy_gfx_switch       = gd_gl_area_switch,
605     .dpy_gfx_check_format = console_gl_check_format,
606     .dpy_refresh          = gd_gl_area_refresh,
607     .dpy_mouse_set        = gd_mouse_set,
608     .dpy_cursor_define    = gd_cursor_define,
609 
610     .dpy_gl_ctx_create       = gd_gl_area_create_context,
611     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
612     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
613     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
614     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
615     .dpy_gl_update           = gd_gl_area_scanout_flush,
616     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
617     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
618     .dpy_has_dmabuf          = gd_has_dmabuf,
619 };
620 
621 #ifdef CONFIG_X11
622 
623 static const DisplayChangeListenerOps dcl_egl_ops = {
624     .dpy_name             = "gtk-egl",
625     .dpy_gfx_update       = gd_egl_update,
626     .dpy_gfx_switch       = gd_egl_switch,
627     .dpy_gfx_check_format = console_gl_check_format,
628     .dpy_refresh          = gd_egl_refresh,
629     .dpy_mouse_set        = gd_mouse_set,
630     .dpy_cursor_define    = gd_cursor_define,
631 
632     .dpy_gl_ctx_create       = gd_egl_create_context,
633     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
634     .dpy_gl_ctx_make_current = gd_egl_make_current,
635     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
636     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
637     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
638     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
639     .dpy_gl_cursor_position  = gd_egl_cursor_position,
640     .dpy_gl_update           = gd_egl_flush,
641     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
642     .dpy_has_dmabuf          = gd_has_dmabuf,
643 };
644 
645 #endif
646 
647 #endif /* CONFIG_OPENGL */
648 
649 /** QEMU Events **/
650 
651 static void gd_change_runstate(void *opaque, bool running, RunState state)
652 {
653     GtkDisplayState *s = opaque;
654 
655     gd_update_caption(s);
656 }
657 
658 static void gd_mouse_mode_change(Notifier *notify, void *data)
659 {
660     GtkDisplayState *s;
661     int i;
662 
663     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
664     /* release the grab at switching to absolute mode */
665     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
666         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
667                                        FALSE);
668     }
669     for (i = 0; i < s->nb_vcs; i++) {
670         VirtualConsole *vc = &s->vc[i];
671         gd_update_cursor(vc);
672     }
673 }
674 
675 /** GTK Events **/
676 
677 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
678                                 void *opaque)
679 {
680     GtkDisplayState *s = opaque;
681     bool allow_close = true;
682 
683     if (s->opts->has_window_close && !s->opts->window_close) {
684         allow_close = false;
685     }
686 
687     if (allow_close) {
688         qmp_quit(NULL);
689     }
690 
691     return TRUE;
692 }
693 
694 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
695 {
696     QemuUIInfo info;
697 
698     memset(&info, 0, sizeof(info));
699     info.width = width;
700     info.height = height;
701     dpy_set_ui_info(vc->gfx.dcl.con, &info);
702 }
703 
704 #if defined(CONFIG_OPENGL)
705 
706 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
707                                 void *opaque)
708 {
709     VirtualConsole *vc = opaque;
710 
711     if (vc->gfx.gls) {
712         gd_gl_area_draw(vc);
713     }
714     return TRUE;
715 }
716 
717 static void gd_resize_event(GtkGLArea *area,
718                             gint width, gint height, gpointer *opaque)
719 {
720     VirtualConsole *vc = (void *)opaque;
721 
722     gd_set_ui_info(vc, width, height);
723 }
724 
725 #endif
726 
727 /*
728  * If available, return the update interval of the monitor in ms,
729  * else return 0 (the default update interval).
730  */
731 int gd_monitor_update_interval(GtkWidget *widget)
732 {
733 #ifdef GDK_VERSION_3_22
734     GdkWindow *win = gtk_widget_get_window(widget);
735 
736     if (win) {
737         GdkDisplay *dpy = gtk_widget_get_display(widget);
738         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
739         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
740 
741         if (refresh_rate) {
742             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
743             return MIN(1000 * 1000 / refresh_rate,
744                        GUI_REFRESH_INTERVAL_DEFAULT);
745         }
746     }
747 #endif
748     return 0;
749 }
750 
751 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
752 {
753     VirtualConsole *vc = opaque;
754     GtkDisplayState *s = vc->s;
755     int mx, my;
756     int ww, wh;
757     int fbw, fbh;
758 
759 #if defined(CONFIG_OPENGL)
760     if (vc->gfx.gls) {
761         if (gtk_use_gl_area) {
762             /* invoke render callback please */
763             return FALSE;
764         } else {
765 #ifdef CONFIG_X11
766             gd_egl_draw(vc);
767             return TRUE;
768 #else
769             abort();
770 #endif
771         }
772     }
773 #endif
774 
775     if (!gtk_widget_get_realized(widget)) {
776         return FALSE;
777     }
778     if (!vc->gfx.ds) {
779         return FALSE;
780     }
781 
782     vc->gfx.dcl.update_interval =
783         gd_monitor_update_interval(vc->window ? vc->window : s->window);
784 
785     fbw = surface_width(vc->gfx.ds);
786     fbh = surface_height(vc->gfx.ds);
787 
788     ww = gdk_window_get_width(gtk_widget_get_window(widget));
789     wh = gdk_window_get_height(gtk_widget_get_window(widget));
790 
791     if (s->full_screen) {
792         vc->gfx.scale_x = (double)ww / fbw;
793         vc->gfx.scale_y = (double)wh / fbh;
794     } else if (s->free_scale) {
795         double sx, sy;
796 
797         sx = (double)ww / fbw;
798         sy = (double)wh / fbh;
799 
800         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
801     }
802 
803     fbw *= vc->gfx.scale_x;
804     fbh *= vc->gfx.scale_y;
805 
806     mx = my = 0;
807     if (ww > fbw) {
808         mx = (ww - fbw) / 2;
809     }
810     if (wh > fbh) {
811         my = (wh - fbh) / 2;
812     }
813 
814     cairo_rectangle(cr, 0, 0, ww, wh);
815 
816     /* Optionally cut out the inner area where the pixmap
817        will be drawn. This avoids 'flashing' since we're
818        not double-buffering. Note we're using the undocumented
819        behaviour of drawing the rectangle from right to left
820        to cut out the whole */
821     cairo_rectangle(cr, mx + fbw, my,
822                     -1 * fbw, fbh);
823     cairo_fill(cr);
824 
825     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
826     cairo_set_source_surface(cr, vc->gfx.surface,
827                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
828     cairo_paint(cr);
829 
830     return TRUE;
831 }
832 
833 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
834                                 void *opaque)
835 {
836     VirtualConsole *vc = opaque;
837     GtkDisplayState *s = vc->s;
838     int x, y;
839     int mx, my;
840     int fbh, fbw;
841     int ww, wh;
842 
843     if (!vc->gfx.ds) {
844         return TRUE;
845     }
846 
847     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
848     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
849 
850     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
851     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
852 
853     mx = my = 0;
854     if (ww > fbw) {
855         mx = (ww - fbw) / 2;
856     }
857     if (wh > fbh) {
858         my = (wh - fbh) / 2;
859     }
860 
861     x = (motion->x - mx) / vc->gfx.scale_x;
862     y = (motion->y - my) / vc->gfx.scale_y;
863 
864     if (qemu_input_is_absolute()) {
865         if (x < 0 || y < 0 ||
866             x >= surface_width(vc->gfx.ds) ||
867             y >= surface_height(vc->gfx.ds)) {
868             return TRUE;
869         }
870         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
871                              0, surface_width(vc->gfx.ds));
872         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
873                              0, surface_height(vc->gfx.ds));
874         qemu_input_event_sync();
875     } else if (s->last_set && s->ptr_owner == vc) {
876         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
877         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
878         qemu_input_event_sync();
879     }
880     s->last_x = x;
881     s->last_y = y;
882     s->last_set = TRUE;
883 
884     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
885         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
886         GdkDisplay *dpy = gtk_widget_get_display(widget);
887         GdkWindow *win = gtk_widget_get_window(widget);
888         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
889         GdkRectangle geometry;
890 
891         int x = (int)motion->x_root;
892         int y = (int)motion->y_root;
893 
894         gdk_monitor_get_geometry(monitor, &geometry);
895 
896         /* In relative mode check to see if client pointer hit
897          * one of the monitor edges, and if so move it back to the
898          * center of the monitor. This is important because the pointer
899          * in the server doesn't correspond 1-for-1, and so
900          * may still be only half way across the screen. Without
901          * this warp, the server pointer would thus appear to hit
902          * an invisible wall */
903         if (x <= geometry.x || x - geometry.x >= geometry.width - 1 ||
904             y <= geometry.y || y - geometry.y >= geometry.height - 1) {
905             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
906             x = geometry.x + geometry.width / 2;
907             y = geometry.y + geometry.height / 2;
908 
909             gdk_device_warp(dev, screen, x, y);
910             s->last_set = FALSE;
911             return FALSE;
912         }
913     }
914     return TRUE;
915 }
916 
917 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
918                                 void *opaque)
919 {
920     VirtualConsole *vc = opaque;
921     GtkDisplayState *s = vc->s;
922     InputButton btn;
923 
924     /* implicitly grab the input at the first click in the relative mode */
925     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
926         !qemu_input_is_absolute() && s->ptr_owner != vc) {
927         if (!vc->window) {
928             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
929                                            TRUE);
930         } else {
931             gd_grab_pointer(vc, "relative-mode-click");
932         }
933         return TRUE;
934     }
935 
936     if (button->button == 1) {
937         btn = INPUT_BUTTON_LEFT;
938     } else if (button->button == 2) {
939         btn = INPUT_BUTTON_MIDDLE;
940     } else if (button->button == 3) {
941         btn = INPUT_BUTTON_RIGHT;
942     } else if (button->button == 8) {
943         btn = INPUT_BUTTON_SIDE;
944     } else if (button->button == 9) {
945         btn = INPUT_BUTTON_EXTRA;
946     } else {
947         return TRUE;
948     }
949 
950     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
951                          button->type == GDK_BUTTON_PRESS);
952     qemu_input_event_sync();
953     return TRUE;
954 }
955 
956 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
957                                 void *opaque)
958 {
959     VirtualConsole *vc = opaque;
960     InputButton btn;
961 
962     if (scroll->direction == GDK_SCROLL_UP) {
963         btn = INPUT_BUTTON_WHEEL_UP;
964     } else if (scroll->direction == GDK_SCROLL_DOWN) {
965         btn = INPUT_BUTTON_WHEEL_DOWN;
966     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
967         gdouble delta_x, delta_y;
968         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
969                                          &delta_x, &delta_y)) {
970             return TRUE;
971         }
972         if (delta_y == 0) {
973             return TRUE;
974         } else if (delta_y > 0) {
975             btn = INPUT_BUTTON_WHEEL_DOWN;
976         } else {
977             btn = INPUT_BUTTON_WHEEL_UP;
978         }
979     } else {
980         return TRUE;
981     }
982 
983     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
984     qemu_input_event_sync();
985     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
986     qemu_input_event_sync();
987     return TRUE;
988 }
989 
990 
991 static const guint16 *gd_get_keymap(size_t *maplen)
992 {
993     GdkDisplay *dpy = gdk_display_get_default();
994 
995 #ifdef GDK_WINDOWING_X11
996     if (GDK_IS_X11_DISPLAY(dpy)) {
997         trace_gd_keymap_windowing("x11");
998         return qemu_xkeymap_mapping_table(
999             gdk_x11_display_get_xdisplay(dpy), maplen);
1000     }
1001 #endif
1002 
1003 #ifdef GDK_WINDOWING_WAYLAND
1004     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1005         trace_gd_keymap_windowing("wayland");
1006         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1007         return qemu_input_map_xorgevdev_to_qcode;
1008     }
1009 #endif
1010 
1011 #ifdef GDK_WINDOWING_WIN32
1012     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1013         trace_gd_keymap_windowing("win32");
1014         *maplen = qemu_input_map_atset1_to_qcode_len;
1015         return qemu_input_map_atset1_to_qcode;
1016     }
1017 #endif
1018 
1019 #ifdef GDK_WINDOWING_QUARTZ
1020     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1021         trace_gd_keymap_windowing("quartz");
1022         *maplen = qemu_input_map_osx_to_qcode_len;
1023         return qemu_input_map_osx_to_qcode;
1024     }
1025 #endif
1026 
1027 #ifdef GDK_WINDOWING_BROADWAY
1028     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1029         trace_gd_keymap_windowing("broadway");
1030         g_warning("experimental: using broadway, x11 virtual keysym\n"
1031                   "mapping - with very limited support. See also\n"
1032                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1033         *maplen = qemu_input_map_x11_to_qcode_len;
1034         return qemu_input_map_x11_to_qcode;
1035     }
1036 #endif
1037 
1038     g_warning("Unsupported GDK Windowing platform.\n"
1039               "Disabling extended keycode tables.\n"
1040               "Please report to qemu-devel@nongnu.org\n"
1041               "including the following information:\n"
1042               "\n"
1043               "  - Operating system\n"
1044               "  - GDK Windowing system build\n");
1045     return NULL;
1046 }
1047 
1048 
1049 static int gd_map_keycode(int scancode)
1050 {
1051     if (!keycode_map) {
1052         return 0;
1053     }
1054     if (scancode > keycode_maplen) {
1055         return 0;
1056     }
1057 
1058     return keycode_map[scancode];
1059 }
1060 
1061 static int gd_get_keycode(GdkEventKey *key)
1062 {
1063 #ifdef G_OS_WIN32
1064     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1065 
1066     /* translate Windows native scancodes to atset1 keycodes */
1067     switch (scancode & (KF_EXTENDED | 0xff)) {
1068     case 0x145:     /* NUMLOCK */
1069         return scancode & 0xff;
1070     }
1071 
1072     return scancode & KF_EXTENDED ?
1073         0xe000 | (scancode & 0xff) : scancode & 0xff;
1074 
1075 #else
1076     return key->hardware_keycode;
1077 #endif
1078 }
1079 
1080 static gboolean gd_text_key_down(GtkWidget *widget,
1081                                  GdkEventKey *key, void *opaque)
1082 {
1083     VirtualConsole *vc = opaque;
1084     QemuConsole *con = vc->gfx.dcl.con;
1085 
1086     if (key->keyval == GDK_KEY_Delete) {
1087         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1088     } else if (key->length) {
1089         kbd_put_string_console(con, key->string, key->length);
1090     } else {
1091         int qcode = gd_map_keycode(gd_get_keycode(key));
1092         kbd_put_qcode_console(con, qcode, false);
1093     }
1094     return TRUE;
1095 }
1096 
1097 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1098 {
1099     VirtualConsole *vc = opaque;
1100     int keycode, qcode;
1101 
1102 #ifdef G_OS_WIN32
1103     /* on windows, we ought to ignore the reserved key event? */
1104     if (key->hardware_keycode == 0xff)
1105         return false;
1106 
1107     if (!vc->s->kbd_owner) {
1108         if (key->hardware_keycode == VK_LWIN ||
1109             key->hardware_keycode == VK_RWIN) {
1110             return FALSE;
1111         }
1112     }
1113 #endif
1114 
1115     if (key->keyval == GDK_KEY_Pause
1116 #ifdef G_OS_WIN32
1117         /* for some reason GDK does not fill keyval for VK_PAUSE
1118          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1119          */
1120         || key->hardware_keycode == VK_PAUSE
1121 #endif
1122         ) {
1123         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1124                              key->type == GDK_KEY_PRESS);
1125         return TRUE;
1126     }
1127 
1128     keycode = gd_get_keycode(key);
1129     qcode = gd_map_keycode(keycode);
1130 
1131     trace_gd_key_event(vc->label, keycode, qcode,
1132                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1133 
1134     qkbd_state_key_event(vc->gfx.kbd, qcode,
1135                          key->type == GDK_KEY_PRESS);
1136 
1137     return TRUE;
1138 }
1139 
1140 static gboolean gd_grab_broken_event(GtkWidget *widget,
1141                                      GdkEventGrabBroken *event, void *opaque)
1142 {
1143 #ifdef CONFIG_WIN32
1144     /*
1145      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1146      * key combination leaves all three keys in a stuck condition. We use
1147      * the grab-broken-event to release all keys.
1148      */
1149     if (event->keyboard) {
1150         VirtualConsole *vc = opaque;
1151         GtkDisplayState *s = vc->s;
1152 
1153         gtk_release_modifiers(s);
1154     }
1155 #endif
1156     return TRUE;
1157 }
1158 
1159 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1160 {
1161     if (event->type == GDK_MOTION_NOTIFY) {
1162         return gd_motion_event(widget, &event->motion, opaque);
1163     }
1164     return FALSE;
1165 }
1166 
1167 /** Window Menu Actions **/
1168 
1169 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1170 {
1171     GtkDisplayState *s = opaque;
1172 
1173     if (s->external_pause_update) {
1174         return;
1175     }
1176     if (runstate_is_running()) {
1177         qmp_stop(NULL);
1178     } else {
1179         qmp_cont(NULL);
1180     }
1181 }
1182 
1183 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1184 {
1185     qmp_system_reset(NULL);
1186 }
1187 
1188 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1189 {
1190     qmp_system_powerdown(NULL);
1191 }
1192 
1193 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1194 {
1195     qmp_quit(NULL);
1196 }
1197 
1198 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1199 {
1200     GtkDisplayState *s = opaque;
1201     VirtualConsole *vc = gd_vc_find_by_menu(s);
1202     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1203     gint page;
1204 
1205     gtk_release_modifiers(s);
1206     if (vc) {
1207         page = gtk_notebook_page_num(nb, vc->tab_item);
1208         gtk_notebook_set_current_page(nb, page);
1209         gtk_widget_grab_focus(vc->focus);
1210     }
1211 }
1212 
1213 static void gd_accel_switch_vc(void *opaque)
1214 {
1215     VirtualConsole *vc = opaque;
1216 
1217     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1218 }
1219 
1220 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1221 {
1222     GtkDisplayState *s = opaque;
1223     VirtualConsole *vc = gd_vc_find_current(s);
1224 
1225     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1226         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1227     } else {
1228         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1229     }
1230     gd_update_windowsize(vc);
1231 }
1232 
1233 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1234                                     void *opaque)
1235 {
1236     VirtualConsole *vc = opaque;
1237     GtkDisplayState *s = vc->s;
1238 
1239     gtk_widget_set_sensitive(vc->menu_item, true);
1240     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1241     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1242                                     vc->tab_item, vc->label);
1243     gtk_widget_destroy(vc->window);
1244     vc->window = NULL;
1245     return TRUE;
1246 }
1247 
1248 static gboolean gd_win_grab(void *opaque)
1249 {
1250     VirtualConsole *vc = opaque;
1251 
1252     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1253     if (vc->s->ptr_owner) {
1254         gd_ungrab_pointer(vc->s);
1255     } else {
1256         gd_grab_pointer(vc, "user-request-detached-tab");
1257     }
1258     return TRUE;
1259 }
1260 
1261 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1262 {
1263     GtkDisplayState *s = opaque;
1264     VirtualConsole *vc = gd_vc_find_current(s);
1265 
1266     if (vc->type == GD_VC_GFX &&
1267         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1268         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1269                                        FALSE);
1270     }
1271     if (!vc->window) {
1272         gtk_widget_set_sensitive(vc->menu_item, false);
1273         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1274         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1275 
1276         g_signal_connect(vc->window, "delete-event",
1277                          G_CALLBACK(gd_tab_window_close), vc);
1278         gtk_widget_show_all(vc->window);
1279 
1280         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1281             GtkAccelGroup *ag = gtk_accel_group_new();
1282             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1283 
1284             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1285                                                vc, NULL);
1286             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1287         }
1288 
1289         gd_update_geometry_hints(vc);
1290         gd_update_caption(s);
1291     }
1292 }
1293 
1294 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1295 {
1296     GtkDisplayState *s = opaque;
1297     VirtualConsole *vc = gd_vc_find_current(s);
1298 
1299     if (s->full_screen) {
1300         return;
1301     }
1302 
1303     if (gtk_check_menu_item_get_active(
1304                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1305         gtk_widget_show(s->menu_bar);
1306     } else {
1307         gtk_widget_hide(s->menu_bar);
1308     }
1309     gd_update_windowsize(vc);
1310 }
1311 
1312 static void gd_accel_show_menubar(void *opaque)
1313 {
1314     GtkDisplayState *s = opaque;
1315     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1316 }
1317 
1318 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1319 {
1320     GtkDisplayState *s = opaque;
1321     VirtualConsole *vc = gd_vc_find_current(s);
1322 
1323     if (!s->full_screen) {
1324         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1325         gtk_widget_hide(s->menu_bar);
1326         if (vc->type == GD_VC_GFX) {
1327             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1328         }
1329         gtk_window_fullscreen(GTK_WINDOW(s->window));
1330         s->full_screen = TRUE;
1331     } else {
1332         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1333         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1334         if (gtk_check_menu_item_get_active(
1335                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1336             gtk_widget_show(s->menu_bar);
1337         }
1338         s->full_screen = FALSE;
1339         if (vc->type == GD_VC_GFX) {
1340             vc->gfx.scale_x = 1.0;
1341             vc->gfx.scale_y = 1.0;
1342             gd_update_windowsize(vc);
1343         }
1344     }
1345 
1346     gd_update_cursor(vc);
1347 }
1348 
1349 static void gd_accel_full_screen(void *opaque)
1350 {
1351     GtkDisplayState *s = opaque;
1352     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1353 }
1354 
1355 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1356 {
1357     GtkDisplayState *s = opaque;
1358     VirtualConsole *vc = gd_vc_find_current(s);
1359 
1360     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1361                                    FALSE);
1362 
1363     vc->gfx.scale_x += VC_SCALE_STEP;
1364     vc->gfx.scale_y += VC_SCALE_STEP;
1365 
1366     gd_update_windowsize(vc);
1367 }
1368 
1369 static void gd_accel_zoom_in(void *opaque)
1370 {
1371     GtkDisplayState *s = opaque;
1372     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1373 }
1374 
1375 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1376 {
1377     GtkDisplayState *s = opaque;
1378     VirtualConsole *vc = gd_vc_find_current(s);
1379 
1380     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1381                                    FALSE);
1382 
1383     vc->gfx.scale_x -= VC_SCALE_STEP;
1384     vc->gfx.scale_y -= VC_SCALE_STEP;
1385 
1386     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1387     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1388 
1389     gd_update_windowsize(vc);
1390 }
1391 
1392 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1393 {
1394     GtkDisplayState *s = opaque;
1395     VirtualConsole *vc = gd_vc_find_current(s);
1396 
1397     vc->gfx.scale_x = 1.0;
1398     vc->gfx.scale_y = 1.0;
1399 
1400     gd_update_windowsize(vc);
1401 }
1402 
1403 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1404 {
1405     GtkDisplayState *s = opaque;
1406     VirtualConsole *vc = gd_vc_find_current(s);
1407 
1408     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1409         s->free_scale = TRUE;
1410     } else {
1411         s->free_scale = FALSE;
1412         vc->gfx.scale_x = 1.0;
1413         vc->gfx.scale_y = 1.0;
1414     }
1415 
1416     gd_update_windowsize(vc);
1417     gd_update_full_redraw(vc);
1418 }
1419 
1420 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1421 {
1422     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1423     GdkSeat *seat = gdk_display_get_default_seat(display);
1424     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1425     GdkSeatCapabilities caps = 0;
1426     GdkCursor *cursor = NULL;
1427 
1428     if (kbd) {
1429         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1430     }
1431     if (ptr) {
1432         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1433         cursor = vc->s->null_cursor;
1434     }
1435 
1436     if (caps) {
1437         gdk_seat_grab(seat, window, caps, false, cursor,
1438                       NULL, NULL, NULL);
1439     } else {
1440         gdk_seat_ungrab(seat);
1441     }
1442 }
1443 
1444 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1445 {
1446     if (vc->s->kbd_owner) {
1447         if (vc->s->kbd_owner == vc) {
1448             return;
1449         } else {
1450             gd_ungrab_keyboard(vc->s);
1451         }
1452     }
1453 
1454     win32_kbd_set_grab(true);
1455     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1456     vc->s->kbd_owner = vc;
1457     gd_update_caption(vc->s);
1458     trace_gd_grab(vc->label, "kbd", reason);
1459 }
1460 
1461 static void gd_ungrab_keyboard(GtkDisplayState *s)
1462 {
1463     VirtualConsole *vc = s->kbd_owner;
1464 
1465     if (vc == NULL) {
1466         return;
1467     }
1468     s->kbd_owner = NULL;
1469 
1470     win32_kbd_set_grab(false);
1471     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1472     gd_update_caption(s);
1473     trace_gd_ungrab(vc->label, "kbd");
1474 }
1475 
1476 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1477 {
1478     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1479 
1480     if (vc->s->ptr_owner) {
1481         if (vc->s->ptr_owner == vc) {
1482             return;
1483         } else {
1484             gd_ungrab_pointer(vc->s);
1485         }
1486     }
1487 
1488     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1489     gdk_device_get_position(gd_get_pointer(display),
1490                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1491     vc->s->ptr_owner = vc;
1492     gd_update_caption(vc->s);
1493     trace_gd_grab(vc->label, "ptr", reason);
1494 }
1495 
1496 static void gd_ungrab_pointer(GtkDisplayState *s)
1497 {
1498     VirtualConsole *vc = s->ptr_owner;
1499     GdkDisplay *display;
1500 
1501     if (vc == NULL) {
1502         return;
1503     }
1504     s->ptr_owner = NULL;
1505 
1506     display = gtk_widget_get_display(vc->gfx.drawing_area);
1507     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1508     gdk_device_warp(gd_get_pointer(display),
1509                     gtk_widget_get_screen(vc->gfx.drawing_area),
1510                     vc->s->grab_x_root, vc->s->grab_y_root);
1511     gd_update_caption(s);
1512     trace_gd_ungrab(vc->label, "ptr");
1513 }
1514 
1515 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1516 {
1517     GtkDisplayState *s = opaque;
1518     VirtualConsole *vc = gd_vc_find_current(s);
1519 
1520     if (gd_is_grab_active(s)) {
1521         gd_grab_keyboard(vc, "user-request-main-window");
1522         gd_grab_pointer(vc, "user-request-main-window");
1523     } else {
1524         gd_ungrab_keyboard(s);
1525         gd_ungrab_pointer(s);
1526     }
1527 
1528     gd_update_cursor(vc);
1529 }
1530 
1531 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1532                            gpointer data)
1533 {
1534     GtkDisplayState *s = data;
1535     VirtualConsole *vc;
1536     gboolean on_vga;
1537 
1538     if (!gtk_widget_get_realized(s->notebook)) {
1539         return;
1540     }
1541 
1542     vc = gd_vc_find_by_page(s, arg2);
1543     if (!vc) {
1544         return;
1545     }
1546     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1547                                    TRUE);
1548     on_vga = (vc->type == GD_VC_GFX &&
1549               qemu_console_is_graphic(vc->gfx.dcl.con));
1550     if (!on_vga) {
1551         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1552                                        FALSE);
1553     } else if (s->full_screen) {
1554         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1555                                        TRUE);
1556     }
1557     gtk_widget_set_sensitive(s->grab_item, on_vga);
1558 #ifdef CONFIG_VTE
1559     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1560 #endif
1561 
1562     gd_update_windowsize(vc);
1563     gd_update_cursor(vc);
1564 }
1565 
1566 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1567                                gpointer opaque)
1568 {
1569     VirtualConsole *vc = opaque;
1570     GtkDisplayState *s = vc->s;
1571 
1572     if (gd_grab_on_hover(s)) {
1573         gd_grab_keyboard(vc, "grab-on-hover");
1574     }
1575     return TRUE;
1576 }
1577 
1578 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1579                                gpointer opaque)
1580 {
1581     VirtualConsole *vc = opaque;
1582     GtkDisplayState *s = vc->s;
1583 
1584     if (gd_grab_on_hover(s)) {
1585         gd_ungrab_keyboard(s);
1586     }
1587     return TRUE;
1588 }
1589 
1590 static gboolean gd_focus_in_event(GtkWidget *widget,
1591                                   GdkEventFocus *event, gpointer opaque)
1592 {
1593     VirtualConsole *vc = opaque;
1594 
1595     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1596     return TRUE;
1597 }
1598 
1599 static gboolean gd_focus_out_event(GtkWidget *widget,
1600                                    GdkEventFocus *event, gpointer opaque)
1601 {
1602     VirtualConsole *vc = opaque;
1603     GtkDisplayState *s = vc->s;
1604 
1605     win32_kbd_set_window(NULL);
1606     gtk_release_modifiers(s);
1607     return TRUE;
1608 }
1609 
1610 static gboolean gd_configure(GtkWidget *widget,
1611                              GdkEventConfigure *cfg, gpointer opaque)
1612 {
1613     VirtualConsole *vc = opaque;
1614 
1615     gd_set_ui_info(vc, cfg->width, cfg->height);
1616     return FALSE;
1617 }
1618 
1619 /** Virtual Console Callbacks **/
1620 
1621 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1622                                int idx, GSList *group, GtkWidget *view_menu)
1623 {
1624     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1625     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1626             HOTKEY_MODIFIERS, 0,
1627             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1628     gtk_accel_label_set_accel(
1629             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1630             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1631 
1632     g_signal_connect(vc->menu_item, "activate",
1633                      G_CALLBACK(gd_menu_switch_vc), s);
1634     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1635 
1636     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1637 }
1638 
1639 #if defined(CONFIG_VTE)
1640 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1641 {
1642     GtkDisplayState *s = opaque;
1643     VirtualConsole *vc = gd_vc_find_current(s);
1644 
1645 #if VTE_CHECK_VERSION(0, 50, 0)
1646     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1647                                        VTE_FORMAT_TEXT);
1648 #else
1649     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1650 #endif
1651 }
1652 
1653 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1654 {
1655     VirtualConsole *vc = opaque;
1656 
1657     if (gtk_adjustment_get_upper(adjustment) >
1658         gtk_adjustment_get_page_size(adjustment)) {
1659         gtk_widget_show(vc->vte.scrollbar);
1660     } else {
1661         gtk_widget_hide(vc->vte.scrollbar);
1662     }
1663 }
1664 
1665 static void gd_vc_send_chars(VirtualConsole *vc)
1666 {
1667     uint32_t len, avail;
1668 
1669     len = qemu_chr_be_can_write(vc->vte.chr);
1670     avail = fifo8_num_used(&vc->vte.out_fifo);
1671     while (len > 0 && avail > 0) {
1672         const uint8_t *buf;
1673         uint32_t size;
1674 
1675         buf = fifo8_pop_buf(&vc->vte.out_fifo, MIN(len, avail), &size);
1676         qemu_chr_be_write(vc->vte.chr, (uint8_t *)buf, size);
1677         len = qemu_chr_be_can_write(vc->vte.chr);
1678         avail -= size;
1679     }
1680 }
1681 
1682 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1683 {
1684     VCChardev *vcd = VC_CHARDEV(chr);
1685     VirtualConsole *vc = vcd->console;
1686 
1687     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1688     return len;
1689 }
1690 
1691 static void gd_vc_chr_accept_input(Chardev *chr)
1692 {
1693     VCChardev *vcd = VC_CHARDEV(chr);
1694     VirtualConsole *vc = vcd->console;
1695 
1696     gd_vc_send_chars(vc);
1697 }
1698 
1699 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1700 {
1701     VCChardev *vcd = VC_CHARDEV(chr);
1702     VirtualConsole *vc = vcd->console;
1703 
1704     if (vc) {
1705         vc->vte.echo = echo;
1706     } else {
1707         vcd->echo = echo;
1708     }
1709 }
1710 
1711 static int nb_vcs;
1712 static Chardev *vcs[MAX_VCS];
1713 static void gd_vc_open(Chardev *chr,
1714                        ChardevBackend *backend,
1715                        bool *be_opened,
1716                        Error **errp)
1717 {
1718     if (nb_vcs == MAX_VCS) {
1719         error_setg(errp, "Maximum number of consoles reached");
1720         return;
1721     }
1722 
1723     vcs[nb_vcs++] = chr;
1724 
1725     /* console/chardev init sometimes completes elsewhere in a 2nd
1726      * stage, so defer OPENED events until they are fully initialized
1727      */
1728     *be_opened = false;
1729 }
1730 
1731 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1732 {
1733     ChardevClass *cc = CHARDEV_CLASS(oc);
1734 
1735     cc->parse = qemu_chr_parse_vc;
1736     cc->open = gd_vc_open;
1737     cc->chr_write = gd_vc_chr_write;
1738     cc->chr_accept_input = gd_vc_chr_accept_input;
1739     cc->chr_set_echo = gd_vc_chr_set_echo;
1740 }
1741 
1742 static const TypeInfo char_gd_vc_type_info = {
1743     .name = TYPE_CHARDEV_VC,
1744     .parent = TYPE_CHARDEV,
1745     .instance_size = sizeof(VCChardev),
1746     .class_init = char_gd_vc_class_init,
1747 };
1748 
1749 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1750                          gpointer user_data)
1751 {
1752     VirtualConsole *vc = user_data;
1753     uint32_t free;
1754 
1755     if (vc->vte.echo) {
1756         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1757         int i;
1758         for (i = 0; i < size; i++) {
1759             uint8_t c = text[i];
1760             if (c >= 128 || isprint(c)) {
1761                 /* 8-bit characters are considered printable.  */
1762                 vte_terminal_feed(term, &text[i], 1);
1763             } else if (c == '\r' || c == '\n') {
1764                 vte_terminal_feed(term, "\r\n", 2);
1765             } else {
1766                 char ctrl[2] = { '^', 0};
1767                 ctrl[1] = text[i] ^ 64;
1768                 vte_terminal_feed(term, ctrl, 2);
1769             }
1770         }
1771     }
1772 
1773     free = fifo8_num_free(&vc->vte.out_fifo);
1774     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1775     gd_vc_send_chars(vc);
1776 
1777     return TRUE;
1778 }
1779 
1780 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1781                               Chardev *chr, int idx,
1782                               GSList *group, GtkWidget *view_menu)
1783 {
1784     char buffer[32];
1785     GtkWidget *box;
1786     GtkWidget *scrollbar;
1787     GtkAdjustment *vadjustment;
1788     VCChardev *vcd = VC_CHARDEV(chr);
1789 
1790     vc->s = s;
1791     vc->vte.echo = vcd->echo;
1792     vc->vte.chr = chr;
1793     fifo8_create(&vc->vte.out_fifo, 4096);
1794     vcd->console = vc;
1795 
1796     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1797     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1798                                 ? vc->vte.chr->label : buffer);
1799     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1800 
1801     vc->vte.terminal = vte_terminal_new();
1802     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1803 
1804     /* The documentation says that the default is UTF-8, but actually it is
1805      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1806      * VTE 0.54 (only UTF-8 is supported now). */
1807 #if !VTE_CHECK_VERSION(0, 54, 0)
1808 #if VTE_CHECK_VERSION(0, 38, 0)
1809     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1810 #else
1811     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1812 #endif
1813 #endif
1814 
1815     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1816     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1817                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1818 
1819 #if VTE_CHECK_VERSION(0, 28, 0)
1820     vadjustment = gtk_scrollable_get_vadjustment
1821         (GTK_SCROLLABLE(vc->vte.terminal));
1822 #else
1823     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1824 #endif
1825 
1826     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1827     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1828 
1829     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1830     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1831 
1832     vc->vte.box = box;
1833     vc->vte.scrollbar = scrollbar;
1834 
1835     g_signal_connect(vadjustment, "changed",
1836                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1837 
1838     vc->type = GD_VC_VTE;
1839     vc->tab_item = box;
1840     vc->focus = vc->vte.terminal;
1841     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1842                              gtk_label_new(vc->label));
1843 
1844     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1845 
1846     return group;
1847 }
1848 
1849 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1850                         GtkWidget *view_menu)
1851 {
1852     int i;
1853 
1854     for (i = 0; i < nb_vcs; i++) {
1855         VirtualConsole *vc = &s->vc[s->nb_vcs];
1856         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1857         s->nb_vcs++;
1858     }
1859 }
1860 #endif /* CONFIG_VTE */
1861 
1862 /** Window Creation **/
1863 
1864 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1865 {
1866     g_signal_connect(vc->gfx.drawing_area, "draw",
1867                      G_CALLBACK(gd_draw_event), vc);
1868 #if defined(CONFIG_OPENGL)
1869     if (gtk_use_gl_area) {
1870         /* wire up GtkGlArea events */
1871         g_signal_connect(vc->gfx.drawing_area, "render",
1872                          G_CALLBACK(gd_render_event), vc);
1873         g_signal_connect(vc->gfx.drawing_area, "resize",
1874                          G_CALLBACK(gd_resize_event), vc);
1875     }
1876 #endif
1877     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1878         g_signal_connect(vc->gfx.drawing_area, "event",
1879                          G_CALLBACK(gd_event), vc);
1880         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1881                          G_CALLBACK(gd_button_event), vc);
1882         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1883                          G_CALLBACK(gd_button_event), vc);
1884         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1885                          G_CALLBACK(gd_scroll_event), vc);
1886         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1887                          G_CALLBACK(gd_key_event), vc);
1888         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1889                          G_CALLBACK(gd_key_event), vc);
1890 
1891         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1892                          G_CALLBACK(gd_enter_event), vc);
1893         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1894                          G_CALLBACK(gd_leave_event), vc);
1895         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1896                          G_CALLBACK(gd_focus_in_event), vc);
1897         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1898                          G_CALLBACK(gd_focus_out_event), vc);
1899         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1900                          G_CALLBACK(gd_configure), vc);
1901         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1902                          G_CALLBACK(gd_grab_broken_event), vc);
1903     } else {
1904         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1905                          G_CALLBACK(gd_text_key_down), vc);
1906     }
1907 }
1908 
1909 static void gd_connect_signals(GtkDisplayState *s)
1910 {
1911     g_signal_connect(s->show_tabs_item, "activate",
1912                      G_CALLBACK(gd_menu_show_tabs), s);
1913     g_signal_connect(s->untabify_item, "activate",
1914                      G_CALLBACK(gd_menu_untabify), s);
1915     g_signal_connect(s->show_menubar_item, "activate",
1916                      G_CALLBACK(gd_menu_show_menubar), s);
1917 
1918     g_signal_connect(s->window, "delete-event",
1919                      G_CALLBACK(gd_window_close), s);
1920 
1921     g_signal_connect(s->pause_item, "activate",
1922                      G_CALLBACK(gd_menu_pause), s);
1923     g_signal_connect(s->reset_item, "activate",
1924                      G_CALLBACK(gd_menu_reset), s);
1925     g_signal_connect(s->powerdown_item, "activate",
1926                      G_CALLBACK(gd_menu_powerdown), s);
1927     g_signal_connect(s->quit_item, "activate",
1928                      G_CALLBACK(gd_menu_quit), s);
1929 #if defined(CONFIG_VTE)
1930     g_signal_connect(s->copy_item, "activate",
1931                      G_CALLBACK(gd_menu_copy), s);
1932 #endif
1933     g_signal_connect(s->full_screen_item, "activate",
1934                      G_CALLBACK(gd_menu_full_screen), s);
1935     g_signal_connect(s->zoom_in_item, "activate",
1936                      G_CALLBACK(gd_menu_zoom_in), s);
1937     g_signal_connect(s->zoom_out_item, "activate",
1938                      G_CALLBACK(gd_menu_zoom_out), s);
1939     g_signal_connect(s->zoom_fixed_item, "activate",
1940                      G_CALLBACK(gd_menu_zoom_fixed), s);
1941     g_signal_connect(s->zoom_fit_item, "activate",
1942                      G_CALLBACK(gd_menu_zoom_fit), s);
1943     g_signal_connect(s->grab_item, "activate",
1944                      G_CALLBACK(gd_menu_grab_input), s);
1945     g_signal_connect(s->notebook, "switch-page",
1946                      G_CALLBACK(gd_change_page), s);
1947 }
1948 
1949 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1950 {
1951     GtkWidget *machine_menu;
1952     GtkWidget *separator;
1953 
1954     machine_menu = gtk_menu_new();
1955     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1956 
1957     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1958     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1959 
1960     separator = gtk_separator_menu_item_new();
1961     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1962 
1963     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1964     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1965 
1966     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1967     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1968 
1969     separator = gtk_separator_menu_item_new();
1970     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1971 
1972     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1973     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1974                                  "<QEMU>/Machine/Quit");
1975     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1976                             GDK_KEY_q, HOTKEY_MODIFIERS);
1977     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1978 
1979     return machine_menu;
1980 }
1981 
1982 #if defined(CONFIG_OPENGL)
1983 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
1984 {
1985     gtk_gl_area_make_current(area);
1986     qemu_egl_display = eglGetCurrentDisplay();
1987     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
1988     if (!vc->gfx.has_dmabuf) {
1989         error_report("GtkGLArea console lacks DMABUF support.");
1990     }
1991 }
1992 #endif
1993 
1994 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1995                               QemuConsole *con, int idx,
1996                               GSList *group, GtkWidget *view_menu)
1997 {
1998     bool zoom_to_fit = false;
1999 
2000     vc->label = qemu_console_get_label(con);
2001     vc->s = s;
2002     vc->gfx.scale_x = 1.0;
2003     vc->gfx.scale_y = 1.0;
2004 
2005 #if defined(CONFIG_OPENGL)
2006     if (display_opengl) {
2007         if (gtk_use_gl_area) {
2008             vc->gfx.drawing_area = gtk_gl_area_new();
2009             g_signal_connect(vc->gfx.drawing_area, "realize",
2010                              G_CALLBACK(gl_area_realize), vc);
2011             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2012         } else {
2013 #ifdef CONFIG_X11
2014             vc->gfx.drawing_area = gtk_drawing_area_new();
2015             /*
2016              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2017              * It is required for opengl rendering on X11 though.  A
2018              * proper replacement (native opengl support) is only
2019              * available in 3.16+.  Silence the warning if possible.
2020              */
2021 #pragma GCC diagnostic push
2022 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2023             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2024 #pragma GCC diagnostic pop
2025             vc->gfx.dcl.ops = &dcl_egl_ops;
2026             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2027 #else
2028             abort();
2029 #endif
2030         }
2031     } else
2032 #endif
2033     {
2034         vc->gfx.drawing_area = gtk_drawing_area_new();
2035         vc->gfx.dcl.ops = &dcl_ops;
2036     }
2037 
2038 
2039     gtk_widget_add_events(vc->gfx.drawing_area,
2040                           GDK_POINTER_MOTION_MASK |
2041                           GDK_BUTTON_PRESS_MASK |
2042                           GDK_BUTTON_RELEASE_MASK |
2043                           GDK_BUTTON_MOTION_MASK |
2044                           GDK_ENTER_NOTIFY_MASK |
2045                           GDK_LEAVE_NOTIFY_MASK |
2046                           GDK_SCROLL_MASK |
2047                           GDK_SMOOTH_SCROLL_MASK |
2048                           GDK_KEY_PRESS_MASK);
2049     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2050 
2051     vc->type = GD_VC_GFX;
2052     vc->tab_item = vc->gfx.drawing_area;
2053     vc->focus = vc->gfx.drawing_area;
2054     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2055                              vc->tab_item, gtk_label_new(vc->label));
2056 
2057     vc->gfx.kbd = qkbd_state_init(con);
2058     vc->gfx.dcl.con = con;
2059 
2060     register_displaychangelistener(&vc->gfx.dcl);
2061 
2062     gd_connect_vc_gfx_signals(vc);
2063     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2064 
2065     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2066         zoom_to_fit = true;
2067     }
2068     if (s->opts->u.gtk.has_zoom_to_fit) {
2069         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2070     }
2071     if (zoom_to_fit) {
2072         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2073         s->free_scale = true;
2074     }
2075 
2076     return group;
2077 }
2078 
2079 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2080 {
2081     GSList *group = NULL;
2082     GtkWidget *view_menu;
2083     GtkWidget *separator;
2084     QemuConsole *con;
2085     int vc;
2086 
2087     view_menu = gtk_menu_new();
2088     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2089 
2090     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2091 
2092 #if defined(CONFIG_VTE)
2093     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2094     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2095 #endif
2096 
2097     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2098             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2099     gtk_accel_label_set_accel(
2100             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2101             GDK_KEY_f, HOTKEY_MODIFIERS);
2102     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2103 
2104     separator = gtk_separator_menu_item_new();
2105     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2106 
2107     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2108     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2109                                  "<QEMU>/View/Zoom In");
2110     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2111                             HOTKEY_MODIFIERS);
2112     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2113             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2114     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2115 
2116     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2117     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2118                                  "<QEMU>/View/Zoom Out");
2119     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2120                             HOTKEY_MODIFIERS);
2121     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2122 
2123     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2124     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2125                                  "<QEMU>/View/Zoom Fixed");
2126     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2127                             HOTKEY_MODIFIERS);
2128     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2129 
2130     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2131     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2132 
2133     separator = gtk_separator_menu_item_new();
2134     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2135 
2136     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2137     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2138 
2139     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2140     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2141                                  "<QEMU>/View/Grab Input");
2142     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2143                             HOTKEY_MODIFIERS);
2144     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2145 
2146     separator = gtk_separator_menu_item_new();
2147     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2148 
2149     /* gfx */
2150     for (vc = 0;; vc++) {
2151         con = qemu_console_lookup_by_index(vc);
2152         if (!con) {
2153             break;
2154         }
2155         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2156                                vc, group, view_menu);
2157         s->nb_vcs++;
2158     }
2159 
2160 #if defined(CONFIG_VTE)
2161     /* vte */
2162     gd_vcs_init(s, group, view_menu);
2163 #endif
2164 
2165     separator = gtk_separator_menu_item_new();
2166     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2167 
2168     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2169     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2170 
2171     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2172     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2173 
2174     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2175             _("Show Menubar"));
2176     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2177                                    TRUE);
2178     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2179             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2180     gtk_accel_label_set_accel(
2181             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2182             GDK_KEY_m, HOTKEY_MODIFIERS);
2183     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2184 
2185     return view_menu;
2186 }
2187 
2188 static void gd_create_menus(GtkDisplayState *s)
2189 {
2190     GtkSettings *settings;
2191 
2192     s->accel_group = gtk_accel_group_new();
2193     s->machine_menu = gd_create_menu_machine(s);
2194     s->view_menu = gd_create_menu_view(s);
2195 
2196     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2197     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2198                               s->machine_menu);
2199     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2200 
2201     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2202     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2203     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2204 
2205     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2206     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2207 
2208     /* Disable the default "F10" menu shortcut. */
2209     settings = gtk_widget_get_settings(s->window);
2210     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2211 }
2212 
2213 
2214 static gboolean gtkinit;
2215 
2216 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2217 {
2218     VirtualConsole *vc;
2219 
2220     GtkDisplayState *s = g_malloc0(sizeof(*s));
2221     GdkDisplay *window_display;
2222     GtkIconTheme *theme;
2223     char *dir;
2224 
2225     if (!gtkinit) {
2226         fprintf(stderr, "gtk initialization failed\n");
2227         exit(1);
2228     }
2229     assert(opts->type == DISPLAY_TYPE_GTK);
2230     s->opts = opts;
2231 
2232     theme = gtk_icon_theme_get_default();
2233     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2234     gtk_icon_theme_prepend_search_path(theme, dir);
2235     g_free(dir);
2236     g_set_prgname("qemu");
2237 
2238     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2239     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2240     s->notebook = gtk_notebook_new();
2241     s->menu_bar = gtk_menu_bar_new();
2242 
2243     s->free_scale = FALSE;
2244 
2245     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2246      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2247      * printable, but without changing any of the character classes to make
2248      * sure that we don't accidentally break implicit assumptions.  */
2249     setlocale(LC_MESSAGES, "");
2250     setlocale(LC_CTYPE, "C.UTF-8");
2251     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2252     bindtextdomain("qemu", dir);
2253     g_free(dir);
2254     bind_textdomain_codeset("qemu", "UTF-8");
2255     textdomain("qemu");
2256 
2257     window_display = gtk_widget_get_display(s->window);
2258     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2259         s->null_cursor = NULL; /* default pointer */
2260     } else {
2261         s->null_cursor = gdk_cursor_new_for_display(window_display,
2262                                                     GDK_BLANK_CURSOR);
2263     }
2264 
2265     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2266     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2267     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2268 
2269     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2270 
2271     gd_create_menus(s);
2272 
2273     gd_connect_signals(s);
2274 
2275     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2276     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2277 
2278     gd_update_caption(s);
2279 
2280     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2281     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2282 
2283     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2284 
2285     gtk_widget_show_all(s->window);
2286 
2287     vc = gd_vc_find_current(s);
2288     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2289 #ifdef CONFIG_VTE
2290     gtk_widget_set_sensitive(s->copy_item,
2291                              vc && vc->type == GD_VC_VTE);
2292 #endif
2293 
2294     if (opts->has_full_screen &&
2295         opts->full_screen) {
2296         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2297     }
2298     if (opts->u.gtk.has_grab_on_hover &&
2299         opts->u.gtk.grab_on_hover) {
2300         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2301     }
2302     gd_clipboard_init(s);
2303 }
2304 
2305 static void early_gtk_display_init(DisplayOptions *opts)
2306 {
2307     /* The QEMU code relies on the assumption that it's always run in
2308      * the C locale. Therefore it is not prepared to deal with
2309      * operations that produce different results depending on the
2310      * locale, such as printf's formatting of decimal numbers, and
2311      * possibly others.
2312      *
2313      * Since GTK+ calls setlocale() by default -importing the locale
2314      * settings from the environment- we must prevent it from doing so
2315      * using gtk_disable_setlocale().
2316      *
2317      * QEMU's GTK+ UI, however, _does_ have translations for some of
2318      * the menu items. As a trade-off between a functionally correct
2319      * QEMU and a fully internationalized UI we support importing
2320      * LC_MESSAGES from the environment (see the setlocale() call
2321      * earlier in this file). This allows us to display translated
2322      * messages leaving everything else untouched.
2323      */
2324     gtk_disable_setlocale();
2325     gtkinit = gtk_init_check(NULL, NULL);
2326     if (!gtkinit) {
2327         /* don't exit yet, that'll break -help */
2328         return;
2329     }
2330 
2331     assert(opts->type == DISPLAY_TYPE_GTK);
2332     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2333 #if defined(CONFIG_OPENGL)
2334 #if defined(GDK_WINDOWING_WAYLAND)
2335         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2336             gtk_use_gl_area = true;
2337             gtk_gl_area_init();
2338         } else
2339 #endif
2340         {
2341 #ifdef CONFIG_X11
2342             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2343             gtk_egl_init(mode);
2344 #endif
2345         }
2346 #endif
2347     }
2348 
2349     keycode_map = gd_get_keymap(&keycode_maplen);
2350 
2351 #if defined(CONFIG_VTE)
2352     type_register(&char_gd_vc_type_info);
2353 #endif
2354 }
2355 
2356 static QemuDisplay qemu_display_gtk = {
2357     .type       = DISPLAY_TYPE_GTK,
2358     .early_init = early_gtk_display_init,
2359     .init       = gtk_display_init,
2360 };
2361 
2362 static void register_gtk(void)
2363 {
2364     qemu_display_register(&qemu_display_gtk);
2365 }
2366 
2367 type_init(register_gtk);
2368 
2369 #ifdef CONFIG_OPENGL
2370 module_dep("ui-opengl");
2371 #endif
2372