xref: /openbmc/qemu/ui/gtk.c (revision 568b12fccfe5394326df1ce3e10790608d439a37)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
21  *
22  * Portions from gtk-vnc (originally licensed under the LGPL v2+):
23  *
24  * GTK VNC Widget
25  *
26  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
27  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
28  */
29 
30 #define GETTEXT_PACKAGE "qemu"
31 #define LOCALEDIR "po"
32 
33 #include "qemu/osdep.h"
34 #include "qapi/error.h"
35 #include "qapi/qapi-commands-control.h"
36 #include "qapi/qapi-commands-machine.h"
37 #include "qapi/qapi-commands-misc.h"
38 #include "qemu/cutils.h"
39 
40 #include "ui/console.h"
41 #include "ui/gtk.h"
42 #ifdef G_OS_WIN32
43 #include <gdk/gdkwin32.h>
44 #endif
45 #include "ui/win32-kbd-hook.h"
46 
47 #include <glib/gi18n.h>
48 #include <locale.h>
49 #if defined(CONFIG_VTE)
50 #include <vte/vte.h>
51 #endif
52 #include <math.h>
53 
54 #include "trace.h"
55 #include "qemu/cutils.h"
56 #include "ui/input.h"
57 #include "sysemu/runstate.h"
58 #include "sysemu/sysemu.h"
59 #include "keymaps.h"
60 #include "chardev/char.h"
61 #include "qom/object.h"
62 
63 #define MAX_VCS 10
64 #define VC_WINDOW_X_MIN  320
65 #define VC_WINDOW_Y_MIN  240
66 #define VC_TERM_X_MIN     80
67 #define VC_TERM_Y_MIN     25
68 #define VC_SCALE_MIN    0.25
69 #define VC_SCALE_STEP   0.25
70 
71 #ifdef GDK_WINDOWING_X11
72 #include "x_keymap.h"
73 
74 /* Gtk2 compat */
75 #ifndef GDK_IS_X11_DISPLAY
76 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
77 #endif
78 #endif
79 
80 
81 #ifdef GDK_WINDOWING_WAYLAND
82 /* Gtk2 compat */
83 #ifndef GDK_IS_WAYLAND_DISPLAY
84 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
85 #endif
86 #endif
87 
88 
89 #ifdef GDK_WINDOWING_WIN32
90 /* Gtk2 compat */
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
93 #endif
94 #endif
95 
96 
97 #ifdef GDK_WINDOWING_BROADWAY
98 /* Gtk2 compat */
99 #ifndef GDK_IS_BROADWAY_DISPLAY
100 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
101 #endif
102 #endif
103 
104 
105 #ifdef GDK_WINDOWING_QUARTZ
106 /* Gtk2 compat */
107 #ifndef GDK_IS_QUARTZ_DISPLAY
108 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
109 #endif
110 #endif
111 
112 
113 #if !defined(CONFIG_VTE)
114 # define VTE_CHECK_VERSION(a, b, c) 0
115 #endif
116 
117 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
118 
119 static const guint16 *keycode_map;
120 static size_t keycode_maplen;
121 
122 struct GtkDisplayState {
123     GtkWidget *window;
124 
125     GtkWidget *menu_bar;
126 
127     GtkAccelGroup *accel_group;
128 
129     GtkWidget *machine_menu_item;
130     GtkWidget *machine_menu;
131     GtkWidget *pause_item;
132     GtkWidget *reset_item;
133     GtkWidget *powerdown_item;
134     GtkWidget *quit_item;
135 
136     GtkWidget *view_menu_item;
137     GtkWidget *view_menu;
138     GtkWidget *full_screen_item;
139     GtkWidget *copy_item;
140     GtkWidget *zoom_in_item;
141     GtkWidget *zoom_out_item;
142     GtkWidget *zoom_fixed_item;
143     GtkWidget *zoom_fit_item;
144     GtkWidget *grab_item;
145     GtkWidget *grab_on_hover_item;
146 
147     int nb_vcs;
148     VirtualConsole vc[MAX_VCS];
149 
150     GtkWidget *show_tabs_item;
151     GtkWidget *untabify_item;
152     GtkWidget *show_menubar_item;
153 
154     GtkWidget *vbox;
155     GtkWidget *notebook;
156     int button_mask;
157     gboolean last_set;
158     int last_x;
159     int last_y;
160     int grab_x_root;
161     int grab_y_root;
162     VirtualConsole *kbd_owner;
163     VirtualConsole *ptr_owner;
164 
165     gboolean full_screen;
166 
167     GdkCursor *null_cursor;
168     Notifier mouse_mode_notifier;
169     gboolean free_scale;
170 
171     bool external_pause_update;
172 
173     DisplayOptions *opts;
174 };
175 
176 struct VCChardev {
177     Chardev parent;
178     VirtualConsole *console;
179     bool echo;
180 };
181 typedef struct VCChardev VCChardev;
182 
183 #define TYPE_CHARDEV_VC "chardev-vc"
184 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
185                          TYPE_CHARDEV_VC)
186 
187 bool gtk_use_gl_area;
188 
189 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
190 static void gd_ungrab_pointer(GtkDisplayState *s);
191 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
192 static void gd_ungrab_keyboard(GtkDisplayState *s);
193 
194 /** Utility Functions **/
195 
196 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
197 {
198     VirtualConsole *vc;
199     gint i;
200 
201     for (i = 0; i < s->nb_vcs; i++) {
202         vc = &s->vc[i];
203         if (gtk_check_menu_item_get_active
204             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
205             return vc;
206         }
207     }
208     return NULL;
209 }
210 
211 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
212 {
213     VirtualConsole *vc;
214     gint i, p;
215 
216     for (i = 0; i < s->nb_vcs; i++) {
217         vc = &s->vc[i];
218         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
219         if (p == page) {
220             return vc;
221         }
222     }
223     return NULL;
224 }
225 
226 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
227 {
228     gint page;
229 
230     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
231     return gd_vc_find_by_page(s, page);
232 }
233 
234 static bool gd_is_grab_active(GtkDisplayState *s)
235 {
236     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
237 }
238 
239 static bool gd_grab_on_hover(GtkDisplayState *s)
240 {
241     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
242 }
243 
244 static void gd_update_cursor(VirtualConsole *vc)
245 {
246     GtkDisplayState *s = vc->s;
247     GdkWindow *window;
248 
249     if (vc->type != GD_VC_GFX ||
250         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
251         return;
252     }
253 
254     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
255         return;
256     }
257 
258     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
259     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
260         gdk_window_set_cursor(window, s->null_cursor);
261     } else {
262         gdk_window_set_cursor(window, NULL);
263     }
264 }
265 
266 static void gd_update_caption(GtkDisplayState *s)
267 {
268     const char *status = "";
269     gchar *prefix;
270     gchar *title;
271     const char *grab = "";
272     bool is_paused = !runstate_is_running();
273     int i;
274 
275     if (qemu_name) {
276         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
277     } else {
278         prefix = g_strdup_printf("QEMU");
279     }
280 
281     if (s->ptr_owner != NULL &&
282         s->ptr_owner->window == NULL) {
283         grab = _(" - Press Ctrl+Alt+G to release grab");
284     }
285 
286     if (is_paused) {
287         status = _(" [Paused]");
288     }
289     s->external_pause_update = true;
290     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
291                                    is_paused);
292     s->external_pause_update = false;
293 
294     title = g_strdup_printf("%s%s%s", prefix, status, grab);
295     gtk_window_set_title(GTK_WINDOW(s->window), title);
296     g_free(title);
297 
298     for (i = 0; i < s->nb_vcs; i++) {
299         VirtualConsole *vc = &s->vc[i];
300 
301         if (!vc->window) {
302             continue;
303         }
304         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
305                                 vc == s->kbd_owner ? " +kbd" : "",
306                                 vc == s->ptr_owner ? " +ptr" : "");
307         gtk_window_set_title(GTK_WINDOW(vc->window), title);
308         g_free(title);
309     }
310 
311     g_free(prefix);
312 }
313 
314 static void gd_update_geometry_hints(VirtualConsole *vc)
315 {
316     GtkDisplayState *s = vc->s;
317     GdkWindowHints mask = 0;
318     GdkGeometry geo = {};
319     GtkWidget *geo_widget = NULL;
320     GtkWindow *geo_window;
321 
322     if (vc->type == GD_VC_GFX) {
323         if (!vc->gfx.ds) {
324             return;
325         }
326         if (s->free_scale) {
327             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
328             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
329             mask |= GDK_HINT_MIN_SIZE;
330         } else {
331             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
332             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
333             mask |= GDK_HINT_MIN_SIZE;
334         }
335         geo_widget = vc->gfx.drawing_area;
336         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
337 
338 #if defined(CONFIG_VTE)
339     } else if (vc->type == GD_VC_VTE) {
340         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
341         GtkBorder padding = { 0 };
342 
343 #if VTE_CHECK_VERSION(0, 37, 0)
344         gtk_style_context_get_padding(
345                 gtk_widget_get_style_context(vc->vte.terminal),
346                 gtk_widget_get_state_flags(vc->vte.terminal),
347                 &padding);
348 #else
349         {
350             GtkBorder *ib = NULL;
351             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
352             if (ib) {
353                 padding = *ib;
354                 gtk_border_free(ib);
355             }
356         }
357 #endif
358 
359         geo.width_inc  = vte_terminal_get_char_width(term);
360         geo.height_inc = vte_terminal_get_char_height(term);
361         mask |= GDK_HINT_RESIZE_INC;
362         geo.base_width  = geo.width_inc;
363         geo.base_height = geo.height_inc;
364         mask |= GDK_HINT_BASE_SIZE;
365         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
366         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
367         mask |= GDK_HINT_MIN_SIZE;
368 
369         geo.base_width  += padding.left + padding.right;
370         geo.base_height += padding.top + padding.bottom;
371         geo.min_width   += padding.left + padding.right;
372         geo.min_height  += padding.top + padding.bottom;
373         geo_widget = vc->vte.terminal;
374 #endif
375     }
376 
377     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
378     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
379 }
380 
381 void gd_update_windowsize(VirtualConsole *vc)
382 {
383     GtkDisplayState *s = vc->s;
384 
385     gd_update_geometry_hints(vc);
386 
387     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
388         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
389                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
390     }
391 }
392 
393 static void gd_update_full_redraw(VirtualConsole *vc)
394 {
395     GtkWidget *area = vc->gfx.drawing_area;
396     int ww, wh;
397     ww = gdk_window_get_width(gtk_widget_get_window(area));
398     wh = gdk_window_get_height(gtk_widget_get_window(area));
399 #if defined(CONFIG_OPENGL)
400     if (vc->gfx.gls && gtk_use_gl_area) {
401         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
402         return;
403     }
404 #endif
405     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
406 }
407 
408 static void gtk_release_modifiers(GtkDisplayState *s)
409 {
410     VirtualConsole *vc = gd_vc_find_current(s);
411 
412     if (vc->type != GD_VC_GFX ||
413         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
414         return;
415     }
416     qkbd_state_lift_all_keys(vc->gfx.kbd);
417 }
418 
419 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
420                                GtkWidget *widget)
421 {
422     g_object_ref(G_OBJECT(widget));
423     gtk_container_remove(GTK_CONTAINER(from), widget);
424     gtk_container_add(GTK_CONTAINER(to), widget);
425     g_object_unref(G_OBJECT(widget));
426 }
427 
428 static void *gd_win32_get_hwnd(VirtualConsole *vc)
429 {
430 #ifdef G_OS_WIN32
431     return gdk_win32_window_get_impl_hwnd(
432         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
433 #else
434     return NULL;
435 #endif
436 }
437 
438 /** DisplayState Callbacks **/
439 
440 static void gd_update(DisplayChangeListener *dcl,
441                       int x, int y, int w, int h)
442 {
443     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
444     GdkWindow *win;
445     int x1, x2, y1, y2;
446     int mx, my;
447     int fbw, fbh;
448     int ww, wh;
449 
450     trace_gd_update(vc->label, x, y, w, h);
451 
452     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
453         return;
454     }
455 
456     if (vc->gfx.convert) {
457         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
458                                NULL, vc->gfx.convert,
459                                x, y, 0, 0, x, y, w, h);
460     }
461 
462     x1 = floor(x * vc->gfx.scale_x);
463     y1 = floor(y * vc->gfx.scale_y);
464 
465     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
466     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
467 
468     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
469     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
470 
471     win = gtk_widget_get_window(vc->gfx.drawing_area);
472     if (!win) {
473         return;
474     }
475     ww = gdk_window_get_width(win);
476     wh = gdk_window_get_height(win);
477 
478     mx = my = 0;
479     if (ww > fbw) {
480         mx = (ww - fbw) / 2;
481     }
482     if (wh > fbh) {
483         my = (wh - fbh) / 2;
484     }
485 
486     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
487                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
488 }
489 
490 static void gd_refresh(DisplayChangeListener *dcl)
491 {
492     graphic_hw_update(dcl->con);
493 }
494 
495 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
496 {
497     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
498 }
499 
500 static void gd_mouse_set(DisplayChangeListener *dcl,
501                          int x, int y, int visible)
502 {
503     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
504     GdkDisplay *dpy;
505     gint x_root, y_root;
506 
507     if (qemu_input_is_absolute()) {
508         return;
509     }
510 
511     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
512     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
513                                x, y, &x_root, &y_root);
514     gdk_device_warp(gd_get_pointer(dpy),
515                     gtk_widget_get_screen(vc->gfx.drawing_area),
516                     x_root, y_root);
517     vc->s->last_x = x;
518     vc->s->last_y = y;
519 }
520 
521 static void gd_cursor_define(DisplayChangeListener *dcl,
522                              QEMUCursor *c)
523 {
524     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
525     GdkPixbuf *pixbuf;
526     GdkCursor *cursor;
527 
528     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
529         return;
530     }
531 
532     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
533                                       GDK_COLORSPACE_RGB, true, 8,
534                                       c->width, c->height, c->width * 4,
535                                       NULL, NULL);
536     cursor = gdk_cursor_new_from_pixbuf
537         (gtk_widget_get_display(vc->gfx.drawing_area),
538          pixbuf, c->hot_x, c->hot_y);
539     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
540     g_object_unref(pixbuf);
541     g_object_unref(cursor);
542 }
543 
544 static void gd_switch(DisplayChangeListener *dcl,
545                       DisplaySurface *surface)
546 {
547     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
548     bool resized = true;
549 
550     trace_gd_switch(vc->label,
551                     surface ? surface_width(surface)  : 0,
552                     surface ? surface_height(surface) : 0);
553 
554     if (vc->gfx.surface) {
555         cairo_surface_destroy(vc->gfx.surface);
556         vc->gfx.surface = NULL;
557     }
558     if (vc->gfx.convert) {
559         pixman_image_unref(vc->gfx.convert);
560         vc->gfx.convert = NULL;
561     }
562 
563     if (vc->gfx.ds && surface &&
564         surface_width(vc->gfx.ds) == surface_width(surface) &&
565         surface_height(vc->gfx.ds) == surface_height(surface)) {
566         resized = false;
567     }
568     vc->gfx.ds = surface;
569 
570     if (!surface) {
571         return;
572     }
573 
574     if (surface->format == PIXMAN_x8r8g8b8) {
575         /*
576          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
577          *
578          * No need to convert, use surface directly.  Should be the
579          * common case as this is qemu_default_pixelformat(32) too.
580          */
581         vc->gfx.surface = cairo_image_surface_create_for_data
582             (surface_data(surface),
583              CAIRO_FORMAT_RGB24,
584              surface_width(surface),
585              surface_height(surface),
586              surface_stride(surface));
587     } else {
588         /* Must convert surface, use pixman to do it. */
589         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
590                                                    surface_width(surface),
591                                                    surface_height(surface),
592                                                    NULL, 0);
593         vc->gfx.surface = cairo_image_surface_create_for_data
594             ((void *)pixman_image_get_data(vc->gfx.convert),
595              CAIRO_FORMAT_RGB24,
596              pixman_image_get_width(vc->gfx.convert),
597              pixman_image_get_height(vc->gfx.convert),
598              pixman_image_get_stride(vc->gfx.convert));
599         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
600                                NULL, vc->gfx.convert,
601                                0, 0, 0, 0, 0, 0,
602                                pixman_image_get_width(vc->gfx.convert),
603                                pixman_image_get_height(vc->gfx.convert));
604     }
605 
606     if (resized) {
607         gd_update_windowsize(vc);
608     } else {
609         gd_update_full_redraw(vc);
610     }
611 }
612 
613 static const DisplayChangeListenerOps dcl_ops = {
614     .dpy_name             = "gtk",
615     .dpy_gfx_update       = gd_update,
616     .dpy_gfx_switch       = gd_switch,
617     .dpy_gfx_check_format = qemu_pixman_check_format,
618     .dpy_refresh          = gd_refresh,
619     .dpy_mouse_set        = gd_mouse_set,
620     .dpy_cursor_define    = gd_cursor_define,
621 };
622 
623 
624 #if defined(CONFIG_OPENGL)
625 
626 /** DisplayState Callbacks (opengl version) **/
627 
628 static const DisplayChangeListenerOps dcl_gl_area_ops = {
629     .dpy_name             = "gtk-egl",
630     .dpy_gfx_update       = gd_gl_area_update,
631     .dpy_gfx_switch       = gd_gl_area_switch,
632     .dpy_gfx_check_format = console_gl_check_format,
633     .dpy_refresh          = gd_gl_area_refresh,
634     .dpy_mouse_set        = gd_mouse_set,
635     .dpy_cursor_define    = gd_cursor_define,
636 
637     .dpy_gl_ctx_create       = gd_gl_area_create_context,
638     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
639     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
640     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
641     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
642     .dpy_gl_update           = gd_gl_area_scanout_flush,
643 };
644 
645 static const DisplayChangeListenerOps dcl_egl_ops = {
646     .dpy_name             = "gtk-egl",
647     .dpy_gfx_update       = gd_egl_update,
648     .dpy_gfx_switch       = gd_egl_switch,
649     .dpy_gfx_check_format = console_gl_check_format,
650     .dpy_refresh          = gd_egl_refresh,
651     .dpy_mouse_set        = gd_mouse_set,
652     .dpy_cursor_define    = gd_cursor_define,
653 
654     .dpy_gl_ctx_create       = gd_egl_create_context,
655     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
656     .dpy_gl_ctx_make_current = gd_egl_make_current,
657     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
658     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
659     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
660     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
661     .dpy_gl_cursor_position  = gd_egl_cursor_position,
662     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
663     .dpy_gl_update           = gd_egl_scanout_flush,
664 };
665 
666 #endif /* CONFIG_OPENGL */
667 
668 /** QEMU Events **/
669 
670 static void gd_change_runstate(void *opaque, int running, RunState state)
671 {
672     GtkDisplayState *s = opaque;
673 
674     gd_update_caption(s);
675 }
676 
677 static void gd_mouse_mode_change(Notifier *notify, void *data)
678 {
679     GtkDisplayState *s;
680     int i;
681 
682     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
683     /* release the grab at switching to absolute mode */
684     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
685         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
686                                        FALSE);
687     }
688     for (i = 0; i < s->nb_vcs; i++) {
689         VirtualConsole *vc = &s->vc[i];
690         gd_update_cursor(vc);
691     }
692 }
693 
694 /** GTK Events **/
695 
696 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
697                                 void *opaque)
698 {
699     GtkDisplayState *s = opaque;
700     bool allow_close = true;
701 
702     if (s->opts->has_window_close && !s->opts->window_close) {
703         allow_close = false;
704     }
705 
706     if (allow_close) {
707         qmp_quit(NULL);
708     }
709 
710     return TRUE;
711 }
712 
713 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
714 {
715     QemuUIInfo info;
716 
717     memset(&info, 0, sizeof(info));
718     info.width = width;
719     info.height = height;
720     dpy_set_ui_info(vc->gfx.dcl.con, &info);
721 }
722 
723 #if defined(CONFIG_OPENGL)
724 
725 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
726                                 void *opaque)
727 {
728     VirtualConsole *vc = opaque;
729 
730     if (vc->gfx.gls) {
731         gd_gl_area_draw(vc);
732     }
733     return TRUE;
734 }
735 
736 static void gd_resize_event(GtkGLArea *area,
737                             gint width, gint height, gpointer *opaque)
738 {
739     VirtualConsole *vc = (void *)opaque;
740 
741     gd_set_ui_info(vc, width, height);
742 }
743 
744 #endif
745 
746 /*
747  * If available, return the update interval of the monitor in ms,
748  * else return 0 (the default update interval).
749  */
750 int gd_monitor_update_interval(GtkWidget *widget)
751 {
752 #ifdef GDK_VERSION_3_22
753     GdkWindow *win = gtk_widget_get_window(widget);
754 
755     if (win) {
756         GdkDisplay *dpy = gtk_widget_get_display(widget);
757         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
758         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
759 
760         if (refresh_rate) {
761             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
762             return MIN(1000 * 1000 / refresh_rate,
763                        GUI_REFRESH_INTERVAL_DEFAULT);
764         }
765     }
766 #endif
767     return 0;
768 }
769 
770 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
771 {
772     VirtualConsole *vc = opaque;
773     GtkDisplayState *s = vc->s;
774     int mx, my;
775     int ww, wh;
776     int fbw, fbh;
777 
778 #if defined(CONFIG_OPENGL)
779     if (vc->gfx.gls) {
780         if (gtk_use_gl_area) {
781             /* invoke render callback please */
782             return FALSE;
783         } else {
784             gd_egl_draw(vc);
785             return TRUE;
786         }
787     }
788 #endif
789 
790     if (!gtk_widget_get_realized(widget)) {
791         return FALSE;
792     }
793     if (!vc->gfx.ds) {
794         return FALSE;
795     }
796 
797     vc->gfx.dcl.update_interval =
798         gd_monitor_update_interval(vc->window ? vc->window : s->window);
799 
800     fbw = surface_width(vc->gfx.ds);
801     fbh = surface_height(vc->gfx.ds);
802 
803     ww = gdk_window_get_width(gtk_widget_get_window(widget));
804     wh = gdk_window_get_height(gtk_widget_get_window(widget));
805 
806     if (s->full_screen) {
807         vc->gfx.scale_x = (double)ww / fbw;
808         vc->gfx.scale_y = (double)wh / fbh;
809     } else if (s->free_scale) {
810         double sx, sy;
811 
812         sx = (double)ww / fbw;
813         sy = (double)wh / fbh;
814 
815         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
816     }
817 
818     fbw *= vc->gfx.scale_x;
819     fbh *= vc->gfx.scale_y;
820 
821     mx = my = 0;
822     if (ww > fbw) {
823         mx = (ww - fbw) / 2;
824     }
825     if (wh > fbh) {
826         my = (wh - fbh) / 2;
827     }
828 
829     cairo_rectangle(cr, 0, 0, ww, wh);
830 
831     /* Optionally cut out the inner area where the pixmap
832        will be drawn. This avoids 'flashing' since we're
833        not double-buffering. Note we're using the undocumented
834        behaviour of drawing the rectangle from right to left
835        to cut out the whole */
836     cairo_rectangle(cr, mx + fbw, my,
837                     -1 * fbw, fbh);
838     cairo_fill(cr);
839 
840     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
841     cairo_set_source_surface(cr, vc->gfx.surface,
842                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
843     cairo_paint(cr);
844 
845     return TRUE;
846 }
847 
848 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
849                                 void *opaque)
850 {
851     VirtualConsole *vc = opaque;
852     GtkDisplayState *s = vc->s;
853     int x, y;
854     int mx, my;
855     int fbh, fbw;
856     int ww, wh;
857 
858     if (!vc->gfx.ds) {
859         return TRUE;
860     }
861 
862     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
863     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
864 
865     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
866     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
867 
868     mx = my = 0;
869     if (ww > fbw) {
870         mx = (ww - fbw) / 2;
871     }
872     if (wh > fbh) {
873         my = (wh - fbh) / 2;
874     }
875 
876     x = (motion->x - mx) / vc->gfx.scale_x;
877     y = (motion->y - my) / vc->gfx.scale_y;
878 
879     if (qemu_input_is_absolute()) {
880         if (x < 0 || y < 0 ||
881             x >= surface_width(vc->gfx.ds) ||
882             y >= surface_height(vc->gfx.ds)) {
883             return TRUE;
884         }
885         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
886                              0, surface_width(vc->gfx.ds));
887         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
888                              0, surface_height(vc->gfx.ds));
889         qemu_input_event_sync();
890     } else if (s->last_set && s->ptr_owner == vc) {
891         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
892         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
893         qemu_input_event_sync();
894     }
895     s->last_x = x;
896     s->last_y = y;
897     s->last_set = TRUE;
898 
899     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
900         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
901         GdkDisplay *dpy = gtk_widget_get_display(widget);
902         GdkWindow *win = gtk_widget_get_window(widget);
903         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
904         GdkRectangle geometry;
905         int screen_width, screen_height;
906 
907         int x = (int)motion->x_root;
908         int y = (int)motion->y_root;
909 
910         gdk_monitor_get_geometry(monitor, &geometry);
911         screen_width = geometry.width;
912         screen_height = geometry.height;
913 
914         /* In relative mode check to see if client pointer hit
915          * one of the screen edges, and if so move it back by
916          * 200 pixels. This is important because the pointer
917          * in the server doesn't correspond 1-for-1, and so
918          * may still be only half way across the screen. Without
919          * this warp, the server pointer would thus appear to hit
920          * an invisible wall */
921         if (x == 0) {
922             x += 200;
923         }
924         if (y == 0) {
925             y += 200;
926         }
927         if (x == (screen_width - 1)) {
928             x -= 200;
929         }
930         if (y == (screen_height - 1)) {
931             y -= 200;
932         }
933 
934         if (x != (int)motion->x_root || y != (int)motion->y_root) {
935             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
936             gdk_device_warp(dev, screen, x, y);
937             s->last_set = FALSE;
938             return FALSE;
939         }
940     }
941     return TRUE;
942 }
943 
944 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
945                                 void *opaque)
946 {
947     VirtualConsole *vc = opaque;
948     GtkDisplayState *s = vc->s;
949     InputButton btn;
950 
951     /* implicitly grab the input at the first click in the relative mode */
952     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
953         !qemu_input_is_absolute() && s->ptr_owner != vc) {
954         if (!vc->window) {
955             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
956                                            TRUE);
957         } else {
958             gd_grab_pointer(vc, "relative-mode-click");
959         }
960         return TRUE;
961     }
962 
963     if (button->button == 1) {
964         btn = INPUT_BUTTON_LEFT;
965     } else if (button->button == 2) {
966         btn = INPUT_BUTTON_MIDDLE;
967     } else if (button->button == 3) {
968         btn = INPUT_BUTTON_RIGHT;
969     } else if (button->button == 8) {
970         btn = INPUT_BUTTON_SIDE;
971     } else if (button->button == 9) {
972         btn = INPUT_BUTTON_EXTRA;
973     } else {
974         return TRUE;
975     }
976 
977     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
978                          button->type == GDK_BUTTON_PRESS);
979     qemu_input_event_sync();
980     return TRUE;
981 }
982 
983 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
984                                 void *opaque)
985 {
986     VirtualConsole *vc = opaque;
987     InputButton btn;
988 
989     if (scroll->direction == GDK_SCROLL_UP) {
990         btn = INPUT_BUTTON_WHEEL_UP;
991     } else if (scroll->direction == GDK_SCROLL_DOWN) {
992         btn = INPUT_BUTTON_WHEEL_DOWN;
993     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
994         gdouble delta_x, delta_y;
995         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
996                                          &delta_x, &delta_y)) {
997             return TRUE;
998         }
999         if (delta_y == 0) {
1000             return TRUE;
1001         } else if (delta_y > 0) {
1002             btn = INPUT_BUTTON_WHEEL_DOWN;
1003         } else {
1004             btn = INPUT_BUTTON_WHEEL_UP;
1005         }
1006     } else {
1007         return TRUE;
1008     }
1009 
1010     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1011     qemu_input_event_sync();
1012     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1013     qemu_input_event_sync();
1014     return TRUE;
1015 }
1016 
1017 
1018 static const guint16 *gd_get_keymap(size_t *maplen)
1019 {
1020     GdkDisplay *dpy = gdk_display_get_default();
1021 
1022 #ifdef GDK_WINDOWING_X11
1023     if (GDK_IS_X11_DISPLAY(dpy)) {
1024         trace_gd_keymap_windowing("x11");
1025         return qemu_xkeymap_mapping_table(
1026             gdk_x11_display_get_xdisplay(dpy), maplen);
1027     }
1028 #endif
1029 
1030 #ifdef GDK_WINDOWING_WAYLAND
1031     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1032         trace_gd_keymap_windowing("wayland");
1033         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1034         return qemu_input_map_xorgevdev_to_qcode;
1035     }
1036 #endif
1037 
1038 #ifdef GDK_WINDOWING_WIN32
1039     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1040         trace_gd_keymap_windowing("win32");
1041         *maplen = qemu_input_map_atset1_to_qcode_len;
1042         return qemu_input_map_atset1_to_qcode;
1043     }
1044 #endif
1045 
1046 #ifdef GDK_WINDOWING_QUARTZ
1047     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1048         trace_gd_keymap_windowing("quartz");
1049         *maplen = qemu_input_map_osx_to_qcode_len;
1050         return qemu_input_map_osx_to_qcode;
1051     }
1052 #endif
1053 
1054 #ifdef GDK_WINDOWING_BROADWAY
1055     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1056         trace_gd_keymap_windowing("broadway");
1057         g_warning("experimental: using broadway, x11 virtual keysym\n"
1058                   "mapping - with very limited support. See also\n"
1059                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1060         *maplen = qemu_input_map_x11_to_qcode_len;
1061         return qemu_input_map_x11_to_qcode;
1062     }
1063 #endif
1064 
1065     g_warning("Unsupported GDK Windowing platform.\n"
1066               "Disabling extended keycode tables.\n"
1067               "Please report to qemu-devel@nongnu.org\n"
1068               "including the following information:\n"
1069               "\n"
1070               "  - Operating system\n"
1071               "  - GDK Windowing system build\n");
1072     return NULL;
1073 }
1074 
1075 
1076 static int gd_map_keycode(int scancode)
1077 {
1078     if (!keycode_map) {
1079         return 0;
1080     }
1081     if (scancode > keycode_maplen) {
1082         return 0;
1083     }
1084 
1085     return keycode_map[scancode];
1086 }
1087 
1088 static int gd_get_keycode(GdkEventKey *key)
1089 {
1090 #ifdef G_OS_WIN32
1091     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1092 
1093     /* translate Windows native scancodes to atset1 keycodes */
1094     switch (scancode & (KF_EXTENDED | 0xff)) {
1095     case 0x145:     /* NUMLOCK */
1096         return scancode & 0xff;
1097     }
1098 
1099     return scancode & KF_EXTENDED ?
1100         0xe000 | (scancode & 0xff) : scancode & 0xff;
1101 
1102 #else
1103     return key->hardware_keycode;
1104 #endif
1105 }
1106 
1107 static gboolean gd_text_key_down(GtkWidget *widget,
1108                                  GdkEventKey *key, void *opaque)
1109 {
1110     VirtualConsole *vc = opaque;
1111     QemuConsole *con = vc->gfx.dcl.con;
1112 
1113     if (key->keyval == GDK_KEY_Delete) {
1114         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1115     } else if (key->length) {
1116         kbd_put_string_console(con, key->string, key->length);
1117     } else {
1118         int qcode = gd_map_keycode(gd_get_keycode(key));
1119         kbd_put_qcode_console(con, qcode, false);
1120     }
1121     return TRUE;
1122 }
1123 
1124 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1125 {
1126     VirtualConsole *vc = opaque;
1127     int keycode, qcode;
1128 
1129 #ifdef G_OS_WIN32
1130     /* on windows, we ought to ignore the reserved key event? */
1131     if (key->hardware_keycode == 0xff)
1132         return false;
1133 
1134     if (!vc->s->kbd_owner) {
1135         if (key->hardware_keycode == VK_LWIN ||
1136             key->hardware_keycode == VK_RWIN) {
1137             return FALSE;
1138         }
1139     }
1140 #endif
1141 
1142     if (key->keyval == GDK_KEY_Pause
1143 #ifdef G_OS_WIN32
1144         /* for some reason GDK does not fill keyval for VK_PAUSE
1145          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1146          */
1147         || key->hardware_keycode == VK_PAUSE
1148 #endif
1149         ) {
1150         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1151                              key->type == GDK_KEY_PRESS);
1152         return TRUE;
1153     }
1154 
1155     keycode = gd_get_keycode(key);
1156     qcode = gd_map_keycode(keycode);
1157 
1158     trace_gd_key_event(vc->label, keycode, qcode,
1159                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1160 
1161     qkbd_state_key_event(vc->gfx.kbd, qcode,
1162                          key->type == GDK_KEY_PRESS);
1163 
1164     return TRUE;
1165 }
1166 
1167 static gboolean gd_grab_broken_event(GtkWidget *widget,
1168                                      GdkEventGrabBroken *event, void *opaque)
1169 {
1170 #ifdef CONFIG_WIN32
1171     /*
1172      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1173      * key combination leaves all three keys in a stuck condition. We use
1174      * the grab-broken-event to release all keys.
1175      */
1176     if (event->keyboard) {
1177         VirtualConsole *vc = opaque;
1178         GtkDisplayState *s = vc->s;
1179 
1180         gtk_release_modifiers(s);
1181     }
1182 #endif
1183     return TRUE;
1184 }
1185 
1186 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1187 {
1188     if (event->type == GDK_MOTION_NOTIFY) {
1189         return gd_motion_event(widget, &event->motion, opaque);
1190     }
1191     return FALSE;
1192 }
1193 
1194 /** Window Menu Actions **/
1195 
1196 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1197 {
1198     GtkDisplayState *s = opaque;
1199 
1200     if (s->external_pause_update) {
1201         return;
1202     }
1203     if (runstate_is_running()) {
1204         qmp_stop(NULL);
1205     } else {
1206         qmp_cont(NULL);
1207     }
1208 }
1209 
1210 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1211 {
1212     qmp_system_reset(NULL);
1213 }
1214 
1215 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1216 {
1217     qmp_system_powerdown(NULL);
1218 }
1219 
1220 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1221 {
1222     qmp_quit(NULL);
1223 }
1224 
1225 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1226 {
1227     GtkDisplayState *s = opaque;
1228     VirtualConsole *vc = gd_vc_find_by_menu(s);
1229     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1230     gint page;
1231 
1232     gtk_release_modifiers(s);
1233     if (vc) {
1234         page = gtk_notebook_page_num(nb, vc->tab_item);
1235         gtk_notebook_set_current_page(nb, page);
1236         gtk_widget_grab_focus(vc->focus);
1237     }
1238 }
1239 
1240 static void gd_accel_switch_vc(void *opaque)
1241 {
1242     VirtualConsole *vc = opaque;
1243 
1244     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1245 }
1246 
1247 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1248 {
1249     GtkDisplayState *s = opaque;
1250     VirtualConsole *vc = gd_vc_find_current(s);
1251 
1252     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1253         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1254     } else {
1255         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1256     }
1257     gd_update_windowsize(vc);
1258 }
1259 
1260 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1261                                     void *opaque)
1262 {
1263     VirtualConsole *vc = opaque;
1264     GtkDisplayState *s = vc->s;
1265 
1266     gtk_widget_set_sensitive(vc->menu_item, true);
1267     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1268     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1269                                     vc->tab_item, vc->label);
1270     gtk_widget_destroy(vc->window);
1271     vc->window = NULL;
1272     return TRUE;
1273 }
1274 
1275 static gboolean gd_win_grab(void *opaque)
1276 {
1277     VirtualConsole *vc = opaque;
1278 
1279     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1280     if (vc->s->ptr_owner) {
1281         gd_ungrab_pointer(vc->s);
1282     } else {
1283         gd_grab_pointer(vc, "user-request-detached-tab");
1284     }
1285     return TRUE;
1286 }
1287 
1288 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1289 {
1290     GtkDisplayState *s = opaque;
1291     VirtualConsole *vc = gd_vc_find_current(s);
1292 
1293     if (vc->type == GD_VC_GFX &&
1294         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1295         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1296                                        FALSE);
1297     }
1298     if (!vc->window) {
1299         gtk_widget_set_sensitive(vc->menu_item, false);
1300         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1301         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1302 
1303         g_signal_connect(vc->window, "delete-event",
1304                          G_CALLBACK(gd_tab_window_close), vc);
1305         gtk_widget_show_all(vc->window);
1306 
1307         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1308             GtkAccelGroup *ag = gtk_accel_group_new();
1309             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1310 
1311             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1312                                                vc, NULL);
1313             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1314         }
1315 
1316         gd_update_geometry_hints(vc);
1317         gd_update_caption(s);
1318     }
1319 }
1320 
1321 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1322 {
1323     GtkDisplayState *s = opaque;
1324     VirtualConsole *vc = gd_vc_find_current(s);
1325 
1326     if (s->full_screen) {
1327         return;
1328     }
1329 
1330     if (gtk_check_menu_item_get_active(
1331                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1332         gtk_widget_show(s->menu_bar);
1333     } else {
1334         gtk_widget_hide(s->menu_bar);
1335     }
1336     gd_update_windowsize(vc);
1337 }
1338 
1339 static void gd_accel_show_menubar(void *opaque)
1340 {
1341     GtkDisplayState *s = opaque;
1342     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1343 }
1344 
1345 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1346 {
1347     GtkDisplayState *s = opaque;
1348     VirtualConsole *vc = gd_vc_find_current(s);
1349 
1350     if (!s->full_screen) {
1351         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1352         gtk_widget_hide(s->menu_bar);
1353         if (vc->type == GD_VC_GFX) {
1354             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1355         }
1356         gtk_window_fullscreen(GTK_WINDOW(s->window));
1357         s->full_screen = TRUE;
1358     } else {
1359         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1360         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1361         if (gtk_check_menu_item_get_active(
1362                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1363             gtk_widget_show(s->menu_bar);
1364         }
1365         s->full_screen = FALSE;
1366         if (vc->type == GD_VC_GFX) {
1367             vc->gfx.scale_x = 1.0;
1368             vc->gfx.scale_y = 1.0;
1369             gd_update_windowsize(vc);
1370         }
1371     }
1372 
1373     gd_update_cursor(vc);
1374 }
1375 
1376 static void gd_accel_full_screen(void *opaque)
1377 {
1378     GtkDisplayState *s = opaque;
1379     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1380 }
1381 
1382 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1383 {
1384     GtkDisplayState *s = opaque;
1385     VirtualConsole *vc = gd_vc_find_current(s);
1386 
1387     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1388                                    FALSE);
1389 
1390     vc->gfx.scale_x += VC_SCALE_STEP;
1391     vc->gfx.scale_y += VC_SCALE_STEP;
1392 
1393     gd_update_windowsize(vc);
1394 }
1395 
1396 static void gd_accel_zoom_in(void *opaque)
1397 {
1398     GtkDisplayState *s = opaque;
1399     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1400 }
1401 
1402 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1403 {
1404     GtkDisplayState *s = opaque;
1405     VirtualConsole *vc = gd_vc_find_current(s);
1406 
1407     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1408                                    FALSE);
1409 
1410     vc->gfx.scale_x -= VC_SCALE_STEP;
1411     vc->gfx.scale_y -= VC_SCALE_STEP;
1412 
1413     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1414     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1415 
1416     gd_update_windowsize(vc);
1417 }
1418 
1419 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1420 {
1421     GtkDisplayState *s = opaque;
1422     VirtualConsole *vc = gd_vc_find_current(s);
1423 
1424     vc->gfx.scale_x = 1.0;
1425     vc->gfx.scale_y = 1.0;
1426 
1427     gd_update_windowsize(vc);
1428 }
1429 
1430 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1431 {
1432     GtkDisplayState *s = opaque;
1433     VirtualConsole *vc = gd_vc_find_current(s);
1434 
1435     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1436         s->free_scale = TRUE;
1437     } else {
1438         s->free_scale = FALSE;
1439         vc->gfx.scale_x = 1.0;
1440         vc->gfx.scale_y = 1.0;
1441     }
1442 
1443     gd_update_windowsize(vc);
1444     gd_update_full_redraw(vc);
1445 }
1446 
1447 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1448 {
1449     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1450     GdkSeat *seat = gdk_display_get_default_seat(display);
1451     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1452     GdkSeatCapabilities caps = 0;
1453     GdkCursor *cursor = NULL;
1454 
1455     if (kbd) {
1456         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1457     }
1458     if (ptr) {
1459         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1460         cursor = vc->s->null_cursor;
1461     }
1462 
1463     if (caps) {
1464         gdk_seat_grab(seat, window, caps, false, cursor,
1465                       NULL, NULL, NULL);
1466     } else {
1467         gdk_seat_ungrab(seat);
1468     }
1469 }
1470 
1471 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1472 {
1473     if (vc->s->kbd_owner) {
1474         if (vc->s->kbd_owner == vc) {
1475             return;
1476         } else {
1477             gd_ungrab_keyboard(vc->s);
1478         }
1479     }
1480 
1481     win32_kbd_set_grab(true);
1482     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1483     vc->s->kbd_owner = vc;
1484     gd_update_caption(vc->s);
1485     trace_gd_grab(vc->label, "kbd", reason);
1486 }
1487 
1488 static void gd_ungrab_keyboard(GtkDisplayState *s)
1489 {
1490     VirtualConsole *vc = s->kbd_owner;
1491 
1492     if (vc == NULL) {
1493         return;
1494     }
1495     s->kbd_owner = NULL;
1496 
1497     win32_kbd_set_grab(false);
1498     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1499     gd_update_caption(s);
1500     trace_gd_ungrab(vc->label, "kbd");
1501 }
1502 
1503 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1504 {
1505     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1506 
1507     if (vc->s->ptr_owner) {
1508         if (vc->s->ptr_owner == vc) {
1509             return;
1510         } else {
1511             gd_ungrab_pointer(vc->s);
1512         }
1513     }
1514 
1515     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1516     gdk_device_get_position(gd_get_pointer(display),
1517                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1518     vc->s->ptr_owner = vc;
1519     gd_update_caption(vc->s);
1520     trace_gd_grab(vc->label, "ptr", reason);
1521 }
1522 
1523 static void gd_ungrab_pointer(GtkDisplayState *s)
1524 {
1525     VirtualConsole *vc = s->ptr_owner;
1526     GdkDisplay *display;
1527 
1528     if (vc == NULL) {
1529         return;
1530     }
1531     s->ptr_owner = NULL;
1532 
1533     display = gtk_widget_get_display(vc->gfx.drawing_area);
1534     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1535     gdk_device_warp(gd_get_pointer(display),
1536                     gtk_widget_get_screen(vc->gfx.drawing_area),
1537                     vc->s->grab_x_root, vc->s->grab_y_root);
1538     gd_update_caption(s);
1539     trace_gd_ungrab(vc->label, "ptr");
1540 }
1541 
1542 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1543 {
1544     GtkDisplayState *s = opaque;
1545     VirtualConsole *vc = gd_vc_find_current(s);
1546 
1547     if (gd_is_grab_active(s)) {
1548         gd_grab_keyboard(vc, "user-request-main-window");
1549         gd_grab_pointer(vc, "user-request-main-window");
1550     } else {
1551         gd_ungrab_keyboard(s);
1552         gd_ungrab_pointer(s);
1553     }
1554 
1555     gd_update_cursor(vc);
1556 }
1557 
1558 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1559                            gpointer data)
1560 {
1561     GtkDisplayState *s = data;
1562     VirtualConsole *vc;
1563     gboolean on_vga;
1564 
1565     if (!gtk_widget_get_realized(s->notebook)) {
1566         return;
1567     }
1568 
1569     vc = gd_vc_find_by_page(s, arg2);
1570     if (!vc) {
1571         return;
1572     }
1573     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1574                                    TRUE);
1575     on_vga = (vc->type == GD_VC_GFX &&
1576               qemu_console_is_graphic(vc->gfx.dcl.con));
1577     if (!on_vga) {
1578         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1579                                        FALSE);
1580     } else if (s->full_screen) {
1581         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1582                                        TRUE);
1583     }
1584     gtk_widget_set_sensitive(s->grab_item, on_vga);
1585 #ifdef CONFIG_VTE
1586     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1587 #endif
1588 
1589     gd_update_windowsize(vc);
1590     gd_update_cursor(vc);
1591 }
1592 
1593 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1594                                gpointer opaque)
1595 {
1596     VirtualConsole *vc = opaque;
1597     GtkDisplayState *s = vc->s;
1598 
1599     if (gd_grab_on_hover(s)) {
1600         gd_grab_keyboard(vc, "grab-on-hover");
1601     }
1602     return TRUE;
1603 }
1604 
1605 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1606                                gpointer opaque)
1607 {
1608     VirtualConsole *vc = opaque;
1609     GtkDisplayState *s = vc->s;
1610 
1611     if (gd_grab_on_hover(s)) {
1612         gd_ungrab_keyboard(s);
1613     }
1614     return TRUE;
1615 }
1616 
1617 static gboolean gd_focus_in_event(GtkWidget *widget,
1618                                   GdkEventFocus *event, gpointer opaque)
1619 {
1620     VirtualConsole *vc = opaque;
1621 
1622     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1623     return TRUE;
1624 }
1625 
1626 static gboolean gd_focus_out_event(GtkWidget *widget,
1627                                    GdkEventFocus *event, gpointer opaque)
1628 {
1629     VirtualConsole *vc = opaque;
1630     GtkDisplayState *s = vc->s;
1631 
1632     win32_kbd_set_window(NULL);
1633     gtk_release_modifiers(s);
1634     return TRUE;
1635 }
1636 
1637 static gboolean gd_configure(GtkWidget *widget,
1638                              GdkEventConfigure *cfg, gpointer opaque)
1639 {
1640     VirtualConsole *vc = opaque;
1641 
1642     gd_set_ui_info(vc, cfg->width, cfg->height);
1643     return FALSE;
1644 }
1645 
1646 /** Virtual Console Callbacks **/
1647 
1648 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1649                                int idx, GSList *group, GtkWidget *view_menu)
1650 {
1651     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1652     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1653             HOTKEY_MODIFIERS, 0,
1654             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1655     gtk_accel_label_set_accel(
1656             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1657             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1658 
1659     g_signal_connect(vc->menu_item, "activate",
1660                      G_CALLBACK(gd_menu_switch_vc), s);
1661     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1662 
1663     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1664 }
1665 
1666 #if defined(CONFIG_VTE)
1667 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1668 {
1669     GtkDisplayState *s = opaque;
1670     VirtualConsole *vc = gd_vc_find_current(s);
1671 
1672 #if VTE_CHECK_VERSION(0, 50, 0)
1673     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1674                                        VTE_FORMAT_TEXT);
1675 #else
1676     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1677 #endif
1678 }
1679 
1680 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1681 {
1682     VirtualConsole *vc = opaque;
1683 
1684     if (gtk_adjustment_get_upper(adjustment) >
1685         gtk_adjustment_get_page_size(adjustment)) {
1686         gtk_widget_show(vc->vte.scrollbar);
1687     } else {
1688         gtk_widget_hide(vc->vte.scrollbar);
1689     }
1690 }
1691 
1692 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1693 {
1694     VCChardev *vcd = VC_CHARDEV(chr);
1695     VirtualConsole *vc = vcd->console;
1696 
1697     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1698     return len;
1699 }
1700 
1701 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1702 {
1703     VCChardev *vcd = VC_CHARDEV(chr);
1704     VirtualConsole *vc = vcd->console;
1705 
1706     if (vc) {
1707         vc->vte.echo = echo;
1708     } else {
1709         vcd->echo = echo;
1710     }
1711 }
1712 
1713 static int nb_vcs;
1714 static Chardev *vcs[MAX_VCS];
1715 static void gd_vc_open(Chardev *chr,
1716                        ChardevBackend *backend,
1717                        bool *be_opened,
1718                        Error **errp)
1719 {
1720     if (nb_vcs == MAX_VCS) {
1721         error_setg(errp, "Maximum number of consoles reached");
1722         return;
1723     }
1724 
1725     vcs[nb_vcs++] = chr;
1726 
1727     /* console/chardev init sometimes completes elsewhere in a 2nd
1728      * stage, so defer OPENED events until they are fully initialized
1729      */
1730     *be_opened = false;
1731 }
1732 
1733 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1734 {
1735     ChardevClass *cc = CHARDEV_CLASS(oc);
1736 
1737     cc->parse = qemu_chr_parse_vc;
1738     cc->open = gd_vc_open;
1739     cc->chr_write = gd_vc_chr_write;
1740     cc->chr_set_echo = gd_vc_chr_set_echo;
1741 }
1742 
1743 static const TypeInfo char_gd_vc_type_info = {
1744     .name = TYPE_CHARDEV_VC,
1745     .parent = TYPE_CHARDEV,
1746     .instance_size = sizeof(VCChardev),
1747     .class_init = char_gd_vc_class_init,
1748 };
1749 
1750 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1751                          gpointer user_data)
1752 {
1753     VirtualConsole *vc = user_data;
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     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1774     return TRUE;
1775 }
1776 
1777 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1778                               Chardev *chr, int idx,
1779                               GSList *group, GtkWidget *view_menu)
1780 {
1781     char buffer[32];
1782     GtkWidget *box;
1783     GtkWidget *scrollbar;
1784     GtkAdjustment *vadjustment;
1785     VCChardev *vcd = VC_CHARDEV(chr);
1786 
1787     vc->s = s;
1788     vc->vte.echo = vcd->echo;
1789     vc->vte.chr = chr;
1790     vcd->console = vc;
1791 
1792     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1793     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1794                                 ? vc->vte.chr->label : buffer);
1795     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1796 
1797     vc->vte.terminal = vte_terminal_new();
1798     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1799 
1800     /* The documentation says that the default is UTF-8, but actually it is
1801      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1802      * VTE 0.54 (only UTF-8 is supported now). */
1803 #if !VTE_CHECK_VERSION(0, 54, 0)
1804 #if VTE_CHECK_VERSION(0, 38, 0)
1805     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1806 #else
1807     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1808 #endif
1809 #endif
1810 
1811     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1812     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1813                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1814 
1815 #if VTE_CHECK_VERSION(0, 28, 0)
1816     vadjustment = gtk_scrollable_get_vadjustment
1817         (GTK_SCROLLABLE(vc->vte.terminal));
1818 #else
1819     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1820 #endif
1821 
1822     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1823     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1824 
1825     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1826     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1827 
1828     vc->vte.box = box;
1829     vc->vte.scrollbar = scrollbar;
1830 
1831     g_signal_connect(vadjustment, "changed",
1832                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1833 
1834     vc->type = GD_VC_VTE;
1835     vc->tab_item = box;
1836     vc->focus = vc->vte.terminal;
1837     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1838                              gtk_label_new(vc->label));
1839 
1840     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1841 
1842     return group;
1843 }
1844 
1845 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1846                         GtkWidget *view_menu)
1847 {
1848     int i;
1849 
1850     for (i = 0; i < nb_vcs; i++) {
1851         VirtualConsole *vc = &s->vc[s->nb_vcs];
1852         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1853         s->nb_vcs++;
1854     }
1855 }
1856 #endif /* CONFIG_VTE */
1857 
1858 /** Window Creation **/
1859 
1860 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1861 {
1862     g_signal_connect(vc->gfx.drawing_area, "draw",
1863                      G_CALLBACK(gd_draw_event), vc);
1864 #if defined(CONFIG_OPENGL)
1865     if (gtk_use_gl_area) {
1866         /* wire up GtkGlArea events */
1867         g_signal_connect(vc->gfx.drawing_area, "render",
1868                          G_CALLBACK(gd_render_event), vc);
1869         g_signal_connect(vc->gfx.drawing_area, "resize",
1870                          G_CALLBACK(gd_resize_event), vc);
1871     }
1872 #endif
1873     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1874         g_signal_connect(vc->gfx.drawing_area, "event",
1875                          G_CALLBACK(gd_event), vc);
1876         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1877                          G_CALLBACK(gd_button_event), vc);
1878         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1879                          G_CALLBACK(gd_button_event), vc);
1880         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1881                          G_CALLBACK(gd_scroll_event), vc);
1882         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1883                          G_CALLBACK(gd_key_event), vc);
1884         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1885                          G_CALLBACK(gd_key_event), vc);
1886 
1887         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1888                          G_CALLBACK(gd_enter_event), vc);
1889         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1890                          G_CALLBACK(gd_leave_event), vc);
1891         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1892                          G_CALLBACK(gd_focus_in_event), vc);
1893         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1894                          G_CALLBACK(gd_focus_out_event), vc);
1895         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1896                          G_CALLBACK(gd_configure), vc);
1897         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1898                          G_CALLBACK(gd_grab_broken_event), vc);
1899     } else {
1900         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1901                          G_CALLBACK(gd_text_key_down), vc);
1902     }
1903 }
1904 
1905 static void gd_connect_signals(GtkDisplayState *s)
1906 {
1907     g_signal_connect(s->show_tabs_item, "activate",
1908                      G_CALLBACK(gd_menu_show_tabs), s);
1909     g_signal_connect(s->untabify_item, "activate",
1910                      G_CALLBACK(gd_menu_untabify), s);
1911     g_signal_connect(s->show_menubar_item, "activate",
1912                      G_CALLBACK(gd_menu_show_menubar), s);
1913 
1914     g_signal_connect(s->window, "delete-event",
1915                      G_CALLBACK(gd_window_close), s);
1916 
1917     g_signal_connect(s->pause_item, "activate",
1918                      G_CALLBACK(gd_menu_pause), s);
1919     g_signal_connect(s->reset_item, "activate",
1920                      G_CALLBACK(gd_menu_reset), s);
1921     g_signal_connect(s->powerdown_item, "activate",
1922                      G_CALLBACK(gd_menu_powerdown), s);
1923     g_signal_connect(s->quit_item, "activate",
1924                      G_CALLBACK(gd_menu_quit), s);
1925 #if defined(CONFIG_VTE)
1926     g_signal_connect(s->copy_item, "activate",
1927                      G_CALLBACK(gd_menu_copy), s);
1928 #endif
1929     g_signal_connect(s->full_screen_item, "activate",
1930                      G_CALLBACK(gd_menu_full_screen), s);
1931     g_signal_connect(s->zoom_in_item, "activate",
1932                      G_CALLBACK(gd_menu_zoom_in), s);
1933     g_signal_connect(s->zoom_out_item, "activate",
1934                      G_CALLBACK(gd_menu_zoom_out), s);
1935     g_signal_connect(s->zoom_fixed_item, "activate",
1936                      G_CALLBACK(gd_menu_zoom_fixed), s);
1937     g_signal_connect(s->zoom_fit_item, "activate",
1938                      G_CALLBACK(gd_menu_zoom_fit), s);
1939     g_signal_connect(s->grab_item, "activate",
1940                      G_CALLBACK(gd_menu_grab_input), s);
1941     g_signal_connect(s->notebook, "switch-page",
1942                      G_CALLBACK(gd_change_page), s);
1943 }
1944 
1945 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1946 {
1947     GtkWidget *machine_menu;
1948     GtkWidget *separator;
1949 
1950     machine_menu = gtk_menu_new();
1951     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1952 
1953     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1954     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1955 
1956     separator = gtk_separator_menu_item_new();
1957     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1958 
1959     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1960     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1961 
1962     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1963     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1964 
1965     separator = gtk_separator_menu_item_new();
1966     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1967 
1968     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1969     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1970                                  "<QEMU>/Machine/Quit");
1971     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1972                             GDK_KEY_q, HOTKEY_MODIFIERS);
1973     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1974 
1975     return machine_menu;
1976 }
1977 
1978 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1979                               QemuConsole *con, int idx,
1980                               GSList *group, GtkWidget *view_menu)
1981 {
1982     bool zoom_to_fit = false;
1983 
1984     vc->label = qemu_console_get_label(con);
1985     vc->s = s;
1986     vc->gfx.scale_x = 1.0;
1987     vc->gfx.scale_y = 1.0;
1988 
1989 #if defined(CONFIG_OPENGL)
1990     if (display_opengl) {
1991         if (gtk_use_gl_area) {
1992             vc->gfx.drawing_area = gtk_gl_area_new();
1993             vc->gfx.dcl.ops = &dcl_gl_area_ops;
1994         } else {
1995             vc->gfx.drawing_area = gtk_drawing_area_new();
1996             /*
1997              * gtk_widget_set_double_buffered() was deprecated in 3.14.
1998              * It is required for opengl rendering on X11 though.  A
1999              * proper replacement (native opengl support) is only
2000              * available in 3.16+.  Silence the warning if possible.
2001              */
2002 #pragma GCC diagnostic push
2003 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2004             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2005 #pragma GCC diagnostic pop
2006             vc->gfx.dcl.ops = &dcl_egl_ops;
2007         }
2008     } else
2009 #endif
2010     {
2011         vc->gfx.drawing_area = gtk_drawing_area_new();
2012         vc->gfx.dcl.ops = &dcl_ops;
2013     }
2014 
2015 
2016     gtk_widget_add_events(vc->gfx.drawing_area,
2017                           GDK_POINTER_MOTION_MASK |
2018                           GDK_BUTTON_PRESS_MASK |
2019                           GDK_BUTTON_RELEASE_MASK |
2020                           GDK_BUTTON_MOTION_MASK |
2021                           GDK_ENTER_NOTIFY_MASK |
2022                           GDK_LEAVE_NOTIFY_MASK |
2023                           GDK_SCROLL_MASK |
2024                           GDK_SMOOTH_SCROLL_MASK |
2025                           GDK_KEY_PRESS_MASK);
2026     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2027 
2028     vc->type = GD_VC_GFX;
2029     vc->tab_item = vc->gfx.drawing_area;
2030     vc->focus = vc->gfx.drawing_area;
2031     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2032                              vc->tab_item, gtk_label_new(vc->label));
2033 
2034     vc->gfx.kbd = qkbd_state_init(con);
2035     vc->gfx.dcl.con = con;
2036 
2037     register_displaychangelistener(&vc->gfx.dcl);
2038 
2039     gd_connect_vc_gfx_signals(vc);
2040     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2041 
2042     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2043         zoom_to_fit = true;
2044     }
2045     if (s->opts->u.gtk.has_zoom_to_fit) {
2046         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2047     }
2048     if (zoom_to_fit) {
2049         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2050         s->free_scale = true;
2051     }
2052 
2053     return group;
2054 }
2055 
2056 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2057 {
2058     GSList *group = NULL;
2059     GtkWidget *view_menu;
2060     GtkWidget *separator;
2061     QemuConsole *con;
2062     int vc;
2063 
2064     view_menu = gtk_menu_new();
2065     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2066 
2067     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2068 
2069 #if defined(CONFIG_VTE)
2070     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2071     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2072 #endif
2073 
2074     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2075             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2076     gtk_accel_label_set_accel(
2077             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2078             GDK_KEY_f, HOTKEY_MODIFIERS);
2079     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2080 
2081     separator = gtk_separator_menu_item_new();
2082     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2083 
2084     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2085     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2086                                  "<QEMU>/View/Zoom In");
2087     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2088                             HOTKEY_MODIFIERS);
2089     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2090             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2091     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2092 
2093     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2094     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2095                                  "<QEMU>/View/Zoom Out");
2096     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2097                             HOTKEY_MODIFIERS);
2098     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2099 
2100     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2101     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2102                                  "<QEMU>/View/Zoom Fixed");
2103     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2104                             HOTKEY_MODIFIERS);
2105     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2106 
2107     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2108     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2109 
2110     separator = gtk_separator_menu_item_new();
2111     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2112 
2113     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2114     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2115 
2116     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2117     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2118                                  "<QEMU>/View/Grab Input");
2119     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2120                             HOTKEY_MODIFIERS);
2121     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2122 
2123     separator = gtk_separator_menu_item_new();
2124     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2125 
2126     /* gfx */
2127     for (vc = 0;; vc++) {
2128         con = qemu_console_lookup_by_index(vc);
2129         if (!con) {
2130             break;
2131         }
2132         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2133                                vc, group, view_menu);
2134         s->nb_vcs++;
2135     }
2136 
2137 #if defined(CONFIG_VTE)
2138     /* vte */
2139     gd_vcs_init(s, group, view_menu);
2140 #endif
2141 
2142     separator = gtk_separator_menu_item_new();
2143     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2144 
2145     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2146     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2147 
2148     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2149     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2150 
2151     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2152             _("Show Menubar"));
2153     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2154                                    TRUE);
2155     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2156             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2157     gtk_accel_label_set_accel(
2158             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2159             GDK_KEY_m, HOTKEY_MODIFIERS);
2160     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2161 
2162     return view_menu;
2163 }
2164 
2165 static void gd_create_menus(GtkDisplayState *s)
2166 {
2167     GtkSettings *settings;
2168 
2169     s->accel_group = gtk_accel_group_new();
2170     s->machine_menu = gd_create_menu_machine(s);
2171     s->view_menu = gd_create_menu_view(s);
2172 
2173     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2174     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2175                               s->machine_menu);
2176     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2177 
2178     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2179     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2180     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2181 
2182     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2183     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2184 
2185     /* Disable the default "F10" menu shortcut. */
2186     settings = gtk_widget_get_settings(s->window);
2187     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2188 }
2189 
2190 
2191 static gboolean gtkinit;
2192 
2193 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2194 {
2195     VirtualConsole *vc;
2196 
2197     GtkDisplayState *s = g_malloc0(sizeof(*s));
2198     GdkDisplay *window_display;
2199     GtkIconTheme *theme;
2200     char *dir;
2201 
2202     if (!gtkinit) {
2203         fprintf(stderr, "gtk initialization failed\n");
2204         exit(1);
2205     }
2206     assert(opts->type == DISPLAY_TYPE_GTK);
2207     s->opts = opts;
2208 
2209     theme = gtk_icon_theme_get_default();
2210     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2211     gtk_icon_theme_prepend_search_path(theme, dir);
2212     g_free(dir);
2213     g_set_prgname("qemu");
2214 
2215     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2216     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2217     s->notebook = gtk_notebook_new();
2218     s->menu_bar = gtk_menu_bar_new();
2219 
2220     s->free_scale = FALSE;
2221 
2222     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2223      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2224      * printable, but without changing any of the character classes to make
2225      * sure that we don't accidentally break implicit assumptions.  */
2226     setlocale(LC_MESSAGES, "");
2227     setlocale(LC_CTYPE, "C.UTF-8");
2228     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2229     bindtextdomain("qemu", dir);
2230     g_free(dir);
2231     bind_textdomain_codeset("qemu", "UTF-8");
2232     textdomain("qemu");
2233 
2234     window_display = gtk_widget_get_display(s->window);
2235     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2236         s->null_cursor = NULL; /* default pointer */
2237     } else {
2238         s->null_cursor = gdk_cursor_new_for_display(window_display,
2239                                                     GDK_BLANK_CURSOR);
2240     }
2241 
2242     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2243     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2244     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2245 
2246     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2247 
2248     gd_create_menus(s);
2249 
2250     gd_connect_signals(s);
2251 
2252     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2253     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2254 
2255     gd_update_caption(s);
2256 
2257     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2258     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2259 
2260     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2261 
2262     gtk_widget_show_all(s->window);
2263 
2264     vc = gd_vc_find_current(s);
2265     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2266 #ifdef CONFIG_VTE
2267     gtk_widget_set_sensitive(s->copy_item,
2268                              vc && vc->type == GD_VC_VTE);
2269 #endif
2270 
2271     if (opts->has_full_screen &&
2272         opts->full_screen) {
2273         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2274     }
2275     if (opts->u.gtk.has_grab_on_hover &&
2276         opts->u.gtk.grab_on_hover) {
2277         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2278     }
2279 }
2280 
2281 static void early_gtk_display_init(DisplayOptions *opts)
2282 {
2283     /* The QEMU code relies on the assumption that it's always run in
2284      * the C locale. Therefore it is not prepared to deal with
2285      * operations that produce different results depending on the
2286      * locale, such as printf's formatting of decimal numbers, and
2287      * possibly others.
2288      *
2289      * Since GTK+ calls setlocale() by default -importing the locale
2290      * settings from the environment- we must prevent it from doing so
2291      * using gtk_disable_setlocale().
2292      *
2293      * QEMU's GTK+ UI, however, _does_ have translations for some of
2294      * the menu items. As a trade-off between a functionally correct
2295      * QEMU and a fully internationalized UI we support importing
2296      * LC_MESSAGES from the environment (see the setlocale() call
2297      * earlier in this file). This allows us to display translated
2298      * messages leaving everything else untouched.
2299      */
2300     gtk_disable_setlocale();
2301     gtkinit = gtk_init_check(NULL, NULL);
2302     if (!gtkinit) {
2303         /* don't exit yet, that'll break -help */
2304         return;
2305     }
2306 
2307     assert(opts->type == DISPLAY_TYPE_GTK);
2308     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2309 #if defined(CONFIG_OPENGL)
2310 #if defined(GDK_WINDOWING_WAYLAND)
2311         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2312             gtk_use_gl_area = true;
2313             gtk_gl_area_init();
2314         } else
2315 #endif
2316         {
2317             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2318             gtk_egl_init(mode);
2319         }
2320 #endif
2321     }
2322 
2323     keycode_map = gd_get_keymap(&keycode_maplen);
2324 
2325 #if defined(CONFIG_VTE)
2326     type_register(&char_gd_vc_type_info);
2327 #endif
2328 }
2329 
2330 static QemuDisplay qemu_display_gtk = {
2331     .type       = DISPLAY_TYPE_GTK,
2332     .early_init = early_gtk_display_init,
2333     .init       = gtk_display_init,
2334 };
2335 
2336 static void register_gtk(void)
2337 {
2338     qemu_display_register(&qemu_display_gtk);
2339 }
2340 
2341 type_init(register_gtk);
2342