xref: /openbmc/qemu/ui/gtk.c (revision c110d949b8166a633179edcf3390a42673ac843c)
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_update           = gd_gl_area_scanout_flush,
642 };
643 
644 static const DisplayChangeListenerOps dcl_egl_ops = {
645     .dpy_name             = "gtk-egl",
646     .dpy_gfx_update       = gd_egl_update,
647     .dpy_gfx_switch       = gd_egl_switch,
648     .dpy_gfx_check_format = console_gl_check_format,
649     .dpy_refresh          = gd_egl_refresh,
650     .dpy_mouse_set        = gd_mouse_set,
651     .dpy_cursor_define    = gd_cursor_define,
652 
653     .dpy_gl_ctx_create       = gd_egl_create_context,
654     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
655     .dpy_gl_ctx_make_current = gd_egl_make_current,
656     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
657     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
658     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
659     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
660     .dpy_gl_cursor_position  = gd_egl_cursor_position,
661     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
662     .dpy_gl_update           = gd_egl_scanout_flush,
663 };
664 
665 #endif /* CONFIG_OPENGL */
666 
667 /** QEMU Events **/
668 
669 static void gd_change_runstate(void *opaque, int running, RunState state)
670 {
671     GtkDisplayState *s = opaque;
672 
673     gd_update_caption(s);
674 }
675 
676 static void gd_mouse_mode_change(Notifier *notify, void *data)
677 {
678     GtkDisplayState *s;
679     int i;
680 
681     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
682     /* release the grab at switching to absolute mode */
683     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
684         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
685                                        FALSE);
686     }
687     for (i = 0; i < s->nb_vcs; i++) {
688         VirtualConsole *vc = &s->vc[i];
689         gd_update_cursor(vc);
690     }
691 }
692 
693 /** GTK Events **/
694 
695 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
696                                 void *opaque)
697 {
698     GtkDisplayState *s = opaque;
699     bool allow_close = true;
700 
701     if (s->opts->has_window_close && !s->opts->window_close) {
702         allow_close = false;
703     }
704 
705     if (allow_close) {
706         qmp_quit(NULL);
707     }
708 
709     return TRUE;
710 }
711 
712 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
713 {
714     QemuUIInfo info;
715 
716     memset(&info, 0, sizeof(info));
717     info.width = width;
718     info.height = height;
719     dpy_set_ui_info(vc->gfx.dcl.con, &info);
720 }
721 
722 #if defined(CONFIG_OPENGL)
723 
724 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
725                                 void *opaque)
726 {
727     VirtualConsole *vc = opaque;
728 
729     if (vc->gfx.gls) {
730         gd_gl_area_draw(vc);
731     }
732     return TRUE;
733 }
734 
735 static void gd_resize_event(GtkGLArea *area,
736                             gint width, gint height, gpointer *opaque)
737 {
738     VirtualConsole *vc = (void *)opaque;
739 
740     gd_set_ui_info(vc, width, height);
741 }
742 
743 #endif
744 
745 /*
746  * If available, return the update interval of the monitor in ms,
747  * else return 0 (the default update interval).
748  */
749 int gd_monitor_update_interval(GtkWidget *widget)
750 {
751 #ifdef GDK_VERSION_3_22
752     GdkWindow *win = gtk_widget_get_window(widget);
753 
754     if (win) {
755         GdkDisplay *dpy = gtk_widget_get_display(widget);
756         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
757         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
758 
759         if (refresh_rate) {
760             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
761             return MIN(1000 * 1000 / refresh_rate,
762                        GUI_REFRESH_INTERVAL_DEFAULT);
763         }
764     }
765 #endif
766     return 0;
767 }
768 
769 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
770 {
771     VirtualConsole *vc = opaque;
772     GtkDisplayState *s = vc->s;
773     int mx, my;
774     int ww, wh;
775     int fbw, fbh;
776 
777 #if defined(CONFIG_OPENGL)
778     if (vc->gfx.gls) {
779         if (gtk_use_gl_area) {
780             /* invoke render callback please */
781             return FALSE;
782         } else {
783             gd_egl_draw(vc);
784             return TRUE;
785         }
786     }
787 #endif
788 
789     if (!gtk_widget_get_realized(widget)) {
790         return FALSE;
791     }
792     if (!vc->gfx.ds) {
793         return FALSE;
794     }
795 
796     vc->gfx.dcl.update_interval =
797         gd_monitor_update_interval(vc->window ? vc->window : s->window);
798 
799     fbw = surface_width(vc->gfx.ds);
800     fbh = surface_height(vc->gfx.ds);
801 
802     ww = gdk_window_get_width(gtk_widget_get_window(widget));
803     wh = gdk_window_get_height(gtk_widget_get_window(widget));
804 
805     if (s->full_screen) {
806         vc->gfx.scale_x = (double)ww / fbw;
807         vc->gfx.scale_y = (double)wh / fbh;
808     } else if (s->free_scale) {
809         double sx, sy;
810 
811         sx = (double)ww / fbw;
812         sy = (double)wh / fbh;
813 
814         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
815     }
816 
817     fbw *= vc->gfx.scale_x;
818     fbh *= vc->gfx.scale_y;
819 
820     mx = my = 0;
821     if (ww > fbw) {
822         mx = (ww - fbw) / 2;
823     }
824     if (wh > fbh) {
825         my = (wh - fbh) / 2;
826     }
827 
828     cairo_rectangle(cr, 0, 0, ww, wh);
829 
830     /* Optionally cut out the inner area where the pixmap
831        will be drawn. This avoids 'flashing' since we're
832        not double-buffering. Note we're using the undocumented
833        behaviour of drawing the rectangle from right to left
834        to cut out the whole */
835     cairo_rectangle(cr, mx + fbw, my,
836                     -1 * fbw, fbh);
837     cairo_fill(cr);
838 
839     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
840     cairo_set_source_surface(cr, vc->gfx.surface,
841                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
842     cairo_paint(cr);
843 
844     return TRUE;
845 }
846 
847 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
848                                 void *opaque)
849 {
850     VirtualConsole *vc = opaque;
851     GtkDisplayState *s = vc->s;
852     int x, y;
853     int mx, my;
854     int fbh, fbw;
855     int ww, wh;
856 
857     if (!vc->gfx.ds) {
858         return TRUE;
859     }
860 
861     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
862     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
863 
864     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
865     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
866 
867     mx = my = 0;
868     if (ww > fbw) {
869         mx = (ww - fbw) / 2;
870     }
871     if (wh > fbh) {
872         my = (wh - fbh) / 2;
873     }
874 
875     x = (motion->x - mx) / vc->gfx.scale_x;
876     y = (motion->y - my) / vc->gfx.scale_y;
877 
878     if (qemu_input_is_absolute()) {
879         if (x < 0 || y < 0 ||
880             x >= surface_width(vc->gfx.ds) ||
881             y >= surface_height(vc->gfx.ds)) {
882             return TRUE;
883         }
884         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
885                              0, surface_width(vc->gfx.ds));
886         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
887                              0, surface_height(vc->gfx.ds));
888         qemu_input_event_sync();
889     } else if (s->last_set && s->ptr_owner == vc) {
890         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
891         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
892         qemu_input_event_sync();
893     }
894     s->last_x = x;
895     s->last_y = y;
896     s->last_set = TRUE;
897 
898     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
899         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
900         GdkDisplay *dpy = gtk_widget_get_display(widget);
901         GdkWindow *win = gtk_widget_get_window(widget);
902         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
903         GdkRectangle geometry;
904         int screen_width, screen_height;
905 
906         int x = (int)motion->x_root;
907         int y = (int)motion->y_root;
908 
909         gdk_monitor_get_geometry(monitor, &geometry);
910         screen_width = geometry.width;
911         screen_height = geometry.height;
912 
913         /* In relative mode check to see if client pointer hit
914          * one of the screen edges, and if so move it back by
915          * 200 pixels. This is important because the pointer
916          * in the server doesn't correspond 1-for-1, and so
917          * may still be only half way across the screen. Without
918          * this warp, the server pointer would thus appear to hit
919          * an invisible wall */
920         if (x == 0) {
921             x += 200;
922         }
923         if (y == 0) {
924             y += 200;
925         }
926         if (x == (screen_width - 1)) {
927             x -= 200;
928         }
929         if (y == (screen_height - 1)) {
930             y -= 200;
931         }
932 
933         if (x != (int)motion->x_root || y != (int)motion->y_root) {
934             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
935             gdk_device_warp(dev, screen, x, y);
936             s->last_set = FALSE;
937             return FALSE;
938         }
939     }
940     return TRUE;
941 }
942 
943 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
944                                 void *opaque)
945 {
946     VirtualConsole *vc = opaque;
947     GtkDisplayState *s = vc->s;
948     InputButton btn;
949 
950     /* implicitly grab the input at the first click in the relative mode */
951     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
952         !qemu_input_is_absolute() && s->ptr_owner != vc) {
953         if (!vc->window) {
954             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
955                                            TRUE);
956         } else {
957             gd_grab_pointer(vc, "relative-mode-click");
958         }
959         return TRUE;
960     }
961 
962     if (button->button == 1) {
963         btn = INPUT_BUTTON_LEFT;
964     } else if (button->button == 2) {
965         btn = INPUT_BUTTON_MIDDLE;
966     } else if (button->button == 3) {
967         btn = INPUT_BUTTON_RIGHT;
968     } else if (button->button == 8) {
969         btn = INPUT_BUTTON_SIDE;
970     } else if (button->button == 9) {
971         btn = INPUT_BUTTON_EXTRA;
972     } else {
973         return TRUE;
974     }
975 
976     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
977                          button->type == GDK_BUTTON_PRESS);
978     qemu_input_event_sync();
979     return TRUE;
980 }
981 
982 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
983                                 void *opaque)
984 {
985     VirtualConsole *vc = opaque;
986     InputButton btn;
987 
988     if (scroll->direction == GDK_SCROLL_UP) {
989         btn = INPUT_BUTTON_WHEEL_UP;
990     } else if (scroll->direction == GDK_SCROLL_DOWN) {
991         btn = INPUT_BUTTON_WHEEL_DOWN;
992     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
993         gdouble delta_x, delta_y;
994         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
995                                          &delta_x, &delta_y)) {
996             return TRUE;
997         }
998         if (delta_y == 0) {
999             return TRUE;
1000         } else if (delta_y > 0) {
1001             btn = INPUT_BUTTON_WHEEL_DOWN;
1002         } else {
1003             btn = INPUT_BUTTON_WHEEL_UP;
1004         }
1005     } else {
1006         return TRUE;
1007     }
1008 
1009     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1010     qemu_input_event_sync();
1011     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1012     qemu_input_event_sync();
1013     return TRUE;
1014 }
1015 
1016 
1017 static const guint16 *gd_get_keymap(size_t *maplen)
1018 {
1019     GdkDisplay *dpy = gdk_display_get_default();
1020 
1021 #ifdef GDK_WINDOWING_X11
1022     if (GDK_IS_X11_DISPLAY(dpy)) {
1023         trace_gd_keymap_windowing("x11");
1024         return qemu_xkeymap_mapping_table(
1025             gdk_x11_display_get_xdisplay(dpy), maplen);
1026     }
1027 #endif
1028 
1029 #ifdef GDK_WINDOWING_WAYLAND
1030     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1031         trace_gd_keymap_windowing("wayland");
1032         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1033         return qemu_input_map_xorgevdev_to_qcode;
1034     }
1035 #endif
1036 
1037 #ifdef GDK_WINDOWING_WIN32
1038     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1039         trace_gd_keymap_windowing("win32");
1040         *maplen = qemu_input_map_atset1_to_qcode_len;
1041         return qemu_input_map_atset1_to_qcode;
1042     }
1043 #endif
1044 
1045 #ifdef GDK_WINDOWING_QUARTZ
1046     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1047         trace_gd_keymap_windowing("quartz");
1048         *maplen = qemu_input_map_osx_to_qcode_len;
1049         return qemu_input_map_osx_to_qcode;
1050     }
1051 #endif
1052 
1053 #ifdef GDK_WINDOWING_BROADWAY
1054     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1055         trace_gd_keymap_windowing("broadway");
1056         g_warning("experimental: using broadway, x11 virtual keysym\n"
1057                   "mapping - with very limited support. See also\n"
1058                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1059         *maplen = qemu_input_map_x11_to_qcode_len;
1060         return qemu_input_map_x11_to_qcode;
1061     }
1062 #endif
1063 
1064     g_warning("Unsupported GDK Windowing platform.\n"
1065               "Disabling extended keycode tables.\n"
1066               "Please report to qemu-devel@nongnu.org\n"
1067               "including the following information:\n"
1068               "\n"
1069               "  - Operating system\n"
1070               "  - GDK Windowing system build\n");
1071     return NULL;
1072 }
1073 
1074 
1075 static int gd_map_keycode(int scancode)
1076 {
1077     if (!keycode_map) {
1078         return 0;
1079     }
1080     if (scancode > keycode_maplen) {
1081         return 0;
1082     }
1083 
1084     return keycode_map[scancode];
1085 }
1086 
1087 static int gd_get_keycode(GdkEventKey *key)
1088 {
1089 #ifdef G_OS_WIN32
1090     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1091 
1092     /* translate Windows native scancodes to atset1 keycodes */
1093     switch (scancode & (KF_EXTENDED | 0xff)) {
1094     case 0x145:     /* NUMLOCK */
1095         return scancode & 0xff;
1096     }
1097 
1098     return scancode & KF_EXTENDED ?
1099         0xe000 | (scancode & 0xff) : scancode & 0xff;
1100 
1101 #else
1102     return key->hardware_keycode;
1103 #endif
1104 }
1105 
1106 static gboolean gd_text_key_down(GtkWidget *widget,
1107                                  GdkEventKey *key, void *opaque)
1108 {
1109     VirtualConsole *vc = opaque;
1110     QemuConsole *con = vc->gfx.dcl.con;
1111 
1112     if (key->keyval == GDK_KEY_Delete) {
1113         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1114     } else if (key->length) {
1115         kbd_put_string_console(con, key->string, key->length);
1116     } else {
1117         int qcode = gd_map_keycode(gd_get_keycode(key));
1118         kbd_put_qcode_console(con, qcode, false);
1119     }
1120     return TRUE;
1121 }
1122 
1123 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1124 {
1125     VirtualConsole *vc = opaque;
1126     int keycode, qcode;
1127 
1128 #ifdef G_OS_WIN32
1129     /* on windows, we ought to ignore the reserved key event? */
1130     if (key->hardware_keycode == 0xff)
1131         return false;
1132 
1133     if (!vc->s->kbd_owner) {
1134         if (key->hardware_keycode == VK_LWIN ||
1135             key->hardware_keycode == VK_RWIN) {
1136             return FALSE;
1137         }
1138     }
1139 #endif
1140 
1141     if (key->keyval == GDK_KEY_Pause
1142 #ifdef G_OS_WIN32
1143         /* for some reason GDK does not fill keyval for VK_PAUSE
1144          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1145          */
1146         || key->hardware_keycode == VK_PAUSE
1147 #endif
1148         ) {
1149         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1150                              key->type == GDK_KEY_PRESS);
1151         return TRUE;
1152     }
1153 
1154     keycode = gd_get_keycode(key);
1155     qcode = gd_map_keycode(keycode);
1156 
1157     trace_gd_key_event(vc->label, keycode, qcode,
1158                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1159 
1160     qkbd_state_key_event(vc->gfx.kbd, qcode,
1161                          key->type == GDK_KEY_PRESS);
1162 
1163     return TRUE;
1164 }
1165 
1166 static gboolean gd_grab_broken_event(GtkWidget *widget,
1167                                      GdkEventGrabBroken *event, void *opaque)
1168 {
1169 #ifdef CONFIG_WIN32
1170     /*
1171      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1172      * key combination leaves all three keys in a stuck condition. We use
1173      * the grab-broken-event to release all keys.
1174      */
1175     if (event->keyboard) {
1176         VirtualConsole *vc = opaque;
1177         GtkDisplayState *s = vc->s;
1178 
1179         gtk_release_modifiers(s);
1180     }
1181 #endif
1182     return TRUE;
1183 }
1184 
1185 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1186 {
1187     if (event->type == GDK_MOTION_NOTIFY) {
1188         return gd_motion_event(widget, &event->motion, opaque);
1189     }
1190     return FALSE;
1191 }
1192 
1193 /** Window Menu Actions **/
1194 
1195 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1196 {
1197     GtkDisplayState *s = opaque;
1198 
1199     if (s->external_pause_update) {
1200         return;
1201     }
1202     if (runstate_is_running()) {
1203         qmp_stop(NULL);
1204     } else {
1205         qmp_cont(NULL);
1206     }
1207 }
1208 
1209 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1210 {
1211     qmp_system_reset(NULL);
1212 }
1213 
1214 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1215 {
1216     qmp_system_powerdown(NULL);
1217 }
1218 
1219 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1220 {
1221     qmp_quit(NULL);
1222 }
1223 
1224 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1225 {
1226     GtkDisplayState *s = opaque;
1227     VirtualConsole *vc = gd_vc_find_by_menu(s);
1228     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1229     gint page;
1230 
1231     gtk_release_modifiers(s);
1232     if (vc) {
1233         page = gtk_notebook_page_num(nb, vc->tab_item);
1234         gtk_notebook_set_current_page(nb, page);
1235         gtk_widget_grab_focus(vc->focus);
1236     }
1237 }
1238 
1239 static void gd_accel_switch_vc(void *opaque)
1240 {
1241     VirtualConsole *vc = opaque;
1242 
1243     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1244 }
1245 
1246 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1247 {
1248     GtkDisplayState *s = opaque;
1249     VirtualConsole *vc = gd_vc_find_current(s);
1250 
1251     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1252         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1253     } else {
1254         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1255     }
1256     gd_update_windowsize(vc);
1257 }
1258 
1259 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1260                                     void *opaque)
1261 {
1262     VirtualConsole *vc = opaque;
1263     GtkDisplayState *s = vc->s;
1264 
1265     gtk_widget_set_sensitive(vc->menu_item, true);
1266     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1267     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1268                                     vc->tab_item, vc->label);
1269     gtk_widget_destroy(vc->window);
1270     vc->window = NULL;
1271     return TRUE;
1272 }
1273 
1274 static gboolean gd_win_grab(void *opaque)
1275 {
1276     VirtualConsole *vc = opaque;
1277 
1278     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1279     if (vc->s->ptr_owner) {
1280         gd_ungrab_pointer(vc->s);
1281     } else {
1282         gd_grab_pointer(vc, "user-request-detached-tab");
1283     }
1284     return TRUE;
1285 }
1286 
1287 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1288 {
1289     GtkDisplayState *s = opaque;
1290     VirtualConsole *vc = gd_vc_find_current(s);
1291 
1292     if (vc->type == GD_VC_GFX &&
1293         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1294         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1295                                        FALSE);
1296     }
1297     if (!vc->window) {
1298         gtk_widget_set_sensitive(vc->menu_item, false);
1299         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1300         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1301 
1302         g_signal_connect(vc->window, "delete-event",
1303                          G_CALLBACK(gd_tab_window_close), vc);
1304         gtk_widget_show_all(vc->window);
1305 
1306         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1307             GtkAccelGroup *ag = gtk_accel_group_new();
1308             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1309 
1310             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1311                                                vc, NULL);
1312             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1313         }
1314 
1315         gd_update_geometry_hints(vc);
1316         gd_update_caption(s);
1317     }
1318 }
1319 
1320 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1321 {
1322     GtkDisplayState *s = opaque;
1323     VirtualConsole *vc = gd_vc_find_current(s);
1324 
1325     if (s->full_screen) {
1326         return;
1327     }
1328 
1329     if (gtk_check_menu_item_get_active(
1330                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1331         gtk_widget_show(s->menu_bar);
1332     } else {
1333         gtk_widget_hide(s->menu_bar);
1334     }
1335     gd_update_windowsize(vc);
1336 }
1337 
1338 static void gd_accel_show_menubar(void *opaque)
1339 {
1340     GtkDisplayState *s = opaque;
1341     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1342 }
1343 
1344 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1345 {
1346     GtkDisplayState *s = opaque;
1347     VirtualConsole *vc = gd_vc_find_current(s);
1348 
1349     if (!s->full_screen) {
1350         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1351         gtk_widget_hide(s->menu_bar);
1352         if (vc->type == GD_VC_GFX) {
1353             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1354         }
1355         gtk_window_fullscreen(GTK_WINDOW(s->window));
1356         s->full_screen = TRUE;
1357     } else {
1358         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1359         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1360         if (gtk_check_menu_item_get_active(
1361                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1362             gtk_widget_show(s->menu_bar);
1363         }
1364         s->full_screen = FALSE;
1365         if (vc->type == GD_VC_GFX) {
1366             vc->gfx.scale_x = 1.0;
1367             vc->gfx.scale_y = 1.0;
1368             gd_update_windowsize(vc);
1369         }
1370     }
1371 
1372     gd_update_cursor(vc);
1373 }
1374 
1375 static void gd_accel_full_screen(void *opaque)
1376 {
1377     GtkDisplayState *s = opaque;
1378     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1379 }
1380 
1381 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1382 {
1383     GtkDisplayState *s = opaque;
1384     VirtualConsole *vc = gd_vc_find_current(s);
1385 
1386     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1387                                    FALSE);
1388 
1389     vc->gfx.scale_x += VC_SCALE_STEP;
1390     vc->gfx.scale_y += VC_SCALE_STEP;
1391 
1392     gd_update_windowsize(vc);
1393 }
1394 
1395 static void gd_accel_zoom_in(void *opaque)
1396 {
1397     GtkDisplayState *s = opaque;
1398     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1399 }
1400 
1401 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1402 {
1403     GtkDisplayState *s = opaque;
1404     VirtualConsole *vc = gd_vc_find_current(s);
1405 
1406     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1407                                    FALSE);
1408 
1409     vc->gfx.scale_x -= VC_SCALE_STEP;
1410     vc->gfx.scale_y -= VC_SCALE_STEP;
1411 
1412     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1413     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1414 
1415     gd_update_windowsize(vc);
1416 }
1417 
1418 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1419 {
1420     GtkDisplayState *s = opaque;
1421     VirtualConsole *vc = gd_vc_find_current(s);
1422 
1423     vc->gfx.scale_x = 1.0;
1424     vc->gfx.scale_y = 1.0;
1425 
1426     gd_update_windowsize(vc);
1427 }
1428 
1429 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1430 {
1431     GtkDisplayState *s = opaque;
1432     VirtualConsole *vc = gd_vc_find_current(s);
1433 
1434     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1435         s->free_scale = TRUE;
1436     } else {
1437         s->free_scale = FALSE;
1438         vc->gfx.scale_x = 1.0;
1439         vc->gfx.scale_y = 1.0;
1440     }
1441 
1442     gd_update_windowsize(vc);
1443     gd_update_full_redraw(vc);
1444 }
1445 
1446 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1447 {
1448     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1449     GdkSeat *seat = gdk_display_get_default_seat(display);
1450     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1451     GdkSeatCapabilities caps = 0;
1452     GdkCursor *cursor = NULL;
1453 
1454     if (kbd) {
1455         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1456     }
1457     if (ptr) {
1458         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1459         cursor = vc->s->null_cursor;
1460     }
1461 
1462     if (caps) {
1463         gdk_seat_grab(seat, window, caps, false, cursor,
1464                       NULL, NULL, NULL);
1465     } else {
1466         gdk_seat_ungrab(seat);
1467     }
1468 }
1469 
1470 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1471 {
1472     if (vc->s->kbd_owner) {
1473         if (vc->s->kbd_owner == vc) {
1474             return;
1475         } else {
1476             gd_ungrab_keyboard(vc->s);
1477         }
1478     }
1479 
1480     win32_kbd_set_grab(true);
1481     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1482     vc->s->kbd_owner = vc;
1483     gd_update_caption(vc->s);
1484     trace_gd_grab(vc->label, "kbd", reason);
1485 }
1486 
1487 static void gd_ungrab_keyboard(GtkDisplayState *s)
1488 {
1489     VirtualConsole *vc = s->kbd_owner;
1490 
1491     if (vc == NULL) {
1492         return;
1493     }
1494     s->kbd_owner = NULL;
1495 
1496     win32_kbd_set_grab(false);
1497     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1498     gd_update_caption(s);
1499     trace_gd_ungrab(vc->label, "kbd");
1500 }
1501 
1502 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1503 {
1504     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1505 
1506     if (vc->s->ptr_owner) {
1507         if (vc->s->ptr_owner == vc) {
1508             return;
1509         } else {
1510             gd_ungrab_pointer(vc->s);
1511         }
1512     }
1513 
1514     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1515     gdk_device_get_position(gd_get_pointer(display),
1516                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1517     vc->s->ptr_owner = vc;
1518     gd_update_caption(vc->s);
1519     trace_gd_grab(vc->label, "ptr", reason);
1520 }
1521 
1522 static void gd_ungrab_pointer(GtkDisplayState *s)
1523 {
1524     VirtualConsole *vc = s->ptr_owner;
1525     GdkDisplay *display;
1526 
1527     if (vc == NULL) {
1528         return;
1529     }
1530     s->ptr_owner = NULL;
1531 
1532     display = gtk_widget_get_display(vc->gfx.drawing_area);
1533     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1534     gdk_device_warp(gd_get_pointer(display),
1535                     gtk_widget_get_screen(vc->gfx.drawing_area),
1536                     vc->s->grab_x_root, vc->s->grab_y_root);
1537     gd_update_caption(s);
1538     trace_gd_ungrab(vc->label, "ptr");
1539 }
1540 
1541 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1542 {
1543     GtkDisplayState *s = opaque;
1544     VirtualConsole *vc = gd_vc_find_current(s);
1545 
1546     if (gd_is_grab_active(s)) {
1547         gd_grab_keyboard(vc, "user-request-main-window");
1548         gd_grab_pointer(vc, "user-request-main-window");
1549     } else {
1550         gd_ungrab_keyboard(s);
1551         gd_ungrab_pointer(s);
1552     }
1553 
1554     gd_update_cursor(vc);
1555 }
1556 
1557 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1558                            gpointer data)
1559 {
1560     GtkDisplayState *s = data;
1561     VirtualConsole *vc;
1562     gboolean on_vga;
1563 
1564     if (!gtk_widget_get_realized(s->notebook)) {
1565         return;
1566     }
1567 
1568     vc = gd_vc_find_by_page(s, arg2);
1569     if (!vc) {
1570         return;
1571     }
1572     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1573                                    TRUE);
1574     on_vga = (vc->type == GD_VC_GFX &&
1575               qemu_console_is_graphic(vc->gfx.dcl.con));
1576     if (!on_vga) {
1577         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1578                                        FALSE);
1579     } else if (s->full_screen) {
1580         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1581                                        TRUE);
1582     }
1583     gtk_widget_set_sensitive(s->grab_item, on_vga);
1584 #ifdef CONFIG_VTE
1585     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1586 #endif
1587 
1588     gd_update_windowsize(vc);
1589     gd_update_cursor(vc);
1590 }
1591 
1592 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1593                                gpointer opaque)
1594 {
1595     VirtualConsole *vc = opaque;
1596     GtkDisplayState *s = vc->s;
1597 
1598     if (gd_grab_on_hover(s)) {
1599         gd_grab_keyboard(vc, "grab-on-hover");
1600     }
1601     return TRUE;
1602 }
1603 
1604 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1605                                gpointer opaque)
1606 {
1607     VirtualConsole *vc = opaque;
1608     GtkDisplayState *s = vc->s;
1609 
1610     if (gd_grab_on_hover(s)) {
1611         gd_ungrab_keyboard(s);
1612     }
1613     return TRUE;
1614 }
1615 
1616 static gboolean gd_focus_in_event(GtkWidget *widget,
1617                                   GdkEventFocus *event, gpointer opaque)
1618 {
1619     VirtualConsole *vc = opaque;
1620 
1621     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1622     return TRUE;
1623 }
1624 
1625 static gboolean gd_focus_out_event(GtkWidget *widget,
1626                                    GdkEventFocus *event, gpointer opaque)
1627 {
1628     VirtualConsole *vc = opaque;
1629     GtkDisplayState *s = vc->s;
1630 
1631     win32_kbd_set_window(NULL);
1632     gtk_release_modifiers(s);
1633     return TRUE;
1634 }
1635 
1636 static gboolean gd_configure(GtkWidget *widget,
1637                              GdkEventConfigure *cfg, gpointer opaque)
1638 {
1639     VirtualConsole *vc = opaque;
1640 
1641     gd_set_ui_info(vc, cfg->width, cfg->height);
1642     return FALSE;
1643 }
1644 
1645 /** Virtual Console Callbacks **/
1646 
1647 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1648                                int idx, GSList *group, GtkWidget *view_menu)
1649 {
1650     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1651     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1652             HOTKEY_MODIFIERS, 0,
1653             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1654     gtk_accel_label_set_accel(
1655             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1656             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1657 
1658     g_signal_connect(vc->menu_item, "activate",
1659                      G_CALLBACK(gd_menu_switch_vc), s);
1660     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1661 
1662     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1663 }
1664 
1665 #if defined(CONFIG_VTE)
1666 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1667 {
1668     GtkDisplayState *s = opaque;
1669     VirtualConsole *vc = gd_vc_find_current(s);
1670 
1671 #if VTE_CHECK_VERSION(0, 50, 0)
1672     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1673                                        VTE_FORMAT_TEXT);
1674 #else
1675     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1676 #endif
1677 }
1678 
1679 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1680 {
1681     VirtualConsole *vc = opaque;
1682 
1683     if (gtk_adjustment_get_upper(adjustment) >
1684         gtk_adjustment_get_page_size(adjustment)) {
1685         gtk_widget_show(vc->vte.scrollbar);
1686     } else {
1687         gtk_widget_hide(vc->vte.scrollbar);
1688     }
1689 }
1690 
1691 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1692 {
1693     VCChardev *vcd = VC_CHARDEV(chr);
1694     VirtualConsole *vc = vcd->console;
1695 
1696     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1697     return len;
1698 }
1699 
1700 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1701 {
1702     VCChardev *vcd = VC_CHARDEV(chr);
1703     VirtualConsole *vc = vcd->console;
1704 
1705     if (vc) {
1706         vc->vte.echo = echo;
1707     } else {
1708         vcd->echo = echo;
1709     }
1710 }
1711 
1712 static int nb_vcs;
1713 static Chardev *vcs[MAX_VCS];
1714 static void gd_vc_open(Chardev *chr,
1715                        ChardevBackend *backend,
1716                        bool *be_opened,
1717                        Error **errp)
1718 {
1719     if (nb_vcs == MAX_VCS) {
1720         error_setg(errp, "Maximum number of consoles reached");
1721         return;
1722     }
1723 
1724     vcs[nb_vcs++] = chr;
1725 
1726     /* console/chardev init sometimes completes elsewhere in a 2nd
1727      * stage, so defer OPENED events until they are fully initialized
1728      */
1729     *be_opened = false;
1730 }
1731 
1732 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1733 {
1734     ChardevClass *cc = CHARDEV_CLASS(oc);
1735 
1736     cc->parse = qemu_chr_parse_vc;
1737     cc->open = gd_vc_open;
1738     cc->chr_write = gd_vc_chr_write;
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 
1754     if (vc->vte.echo) {
1755         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1756         int i;
1757         for (i = 0; i < size; i++) {
1758             uint8_t c = text[i];
1759             if (c >= 128 || isprint(c)) {
1760                 /* 8-bit characters are considered printable.  */
1761                 vte_terminal_feed(term, &text[i], 1);
1762             } else if (c == '\r' || c == '\n') {
1763                 vte_terminal_feed(term, "\r\n", 2);
1764             } else {
1765                 char ctrl[2] = { '^', 0};
1766                 ctrl[1] = text[i] ^ 64;
1767                 vte_terminal_feed(term, ctrl, 2);
1768             }
1769         }
1770     }
1771 
1772     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1773     return TRUE;
1774 }
1775 
1776 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1777                               Chardev *chr, int idx,
1778                               GSList *group, GtkWidget *view_menu)
1779 {
1780     char buffer[32];
1781     GtkWidget *box;
1782     GtkWidget *scrollbar;
1783     GtkAdjustment *vadjustment;
1784     VCChardev *vcd = VC_CHARDEV(chr);
1785 
1786     vc->s = s;
1787     vc->vte.echo = vcd->echo;
1788     vc->vte.chr = chr;
1789     vcd->console = vc;
1790 
1791     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1792     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1793                                 ? vc->vte.chr->label : buffer);
1794     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1795 
1796     vc->vte.terminal = vte_terminal_new();
1797     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1798 
1799     /* The documentation says that the default is UTF-8, but actually it is
1800      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1801      * VTE 0.54 (only UTF-8 is supported now). */
1802 #if !VTE_CHECK_VERSION(0, 54, 0)
1803 #if VTE_CHECK_VERSION(0, 38, 0)
1804     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1805 #else
1806     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1807 #endif
1808 #endif
1809 
1810     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1811     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1812                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1813 
1814 #if VTE_CHECK_VERSION(0, 28, 0)
1815     vadjustment = gtk_scrollable_get_vadjustment
1816         (GTK_SCROLLABLE(vc->vte.terminal));
1817 #else
1818     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1819 #endif
1820 
1821     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1822     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1823 
1824     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1825     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1826 
1827     vc->vte.box = box;
1828     vc->vte.scrollbar = scrollbar;
1829 
1830     g_signal_connect(vadjustment, "changed",
1831                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1832 
1833     vc->type = GD_VC_VTE;
1834     vc->tab_item = box;
1835     vc->focus = vc->vte.terminal;
1836     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1837                              gtk_label_new(vc->label));
1838 
1839     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1840 
1841     return group;
1842 }
1843 
1844 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1845                         GtkWidget *view_menu)
1846 {
1847     int i;
1848 
1849     for (i = 0; i < nb_vcs; i++) {
1850         VirtualConsole *vc = &s->vc[s->nb_vcs];
1851         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1852         s->nb_vcs++;
1853     }
1854 }
1855 #endif /* CONFIG_VTE */
1856 
1857 /** Window Creation **/
1858 
1859 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1860 {
1861     g_signal_connect(vc->gfx.drawing_area, "draw",
1862                      G_CALLBACK(gd_draw_event), vc);
1863 #if defined(CONFIG_OPENGL)
1864     if (gtk_use_gl_area) {
1865         /* wire up GtkGlArea events */
1866         g_signal_connect(vc->gfx.drawing_area, "render",
1867                          G_CALLBACK(gd_render_event), vc);
1868         g_signal_connect(vc->gfx.drawing_area, "resize",
1869                          G_CALLBACK(gd_resize_event), vc);
1870     }
1871 #endif
1872     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1873         g_signal_connect(vc->gfx.drawing_area, "event",
1874                          G_CALLBACK(gd_event), vc);
1875         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1876                          G_CALLBACK(gd_button_event), vc);
1877         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1878                          G_CALLBACK(gd_button_event), vc);
1879         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1880                          G_CALLBACK(gd_scroll_event), vc);
1881         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1882                          G_CALLBACK(gd_key_event), vc);
1883         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1884                          G_CALLBACK(gd_key_event), vc);
1885 
1886         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1887                          G_CALLBACK(gd_enter_event), vc);
1888         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1889                          G_CALLBACK(gd_leave_event), vc);
1890         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1891                          G_CALLBACK(gd_focus_in_event), vc);
1892         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1893                          G_CALLBACK(gd_focus_out_event), vc);
1894         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1895                          G_CALLBACK(gd_configure), vc);
1896         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1897                          G_CALLBACK(gd_grab_broken_event), vc);
1898     } else {
1899         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1900                          G_CALLBACK(gd_text_key_down), vc);
1901     }
1902 }
1903 
1904 static void gd_connect_signals(GtkDisplayState *s)
1905 {
1906     g_signal_connect(s->show_tabs_item, "activate",
1907                      G_CALLBACK(gd_menu_show_tabs), s);
1908     g_signal_connect(s->untabify_item, "activate",
1909                      G_CALLBACK(gd_menu_untabify), s);
1910     g_signal_connect(s->show_menubar_item, "activate",
1911                      G_CALLBACK(gd_menu_show_menubar), s);
1912 
1913     g_signal_connect(s->window, "delete-event",
1914                      G_CALLBACK(gd_window_close), s);
1915 
1916     g_signal_connect(s->pause_item, "activate",
1917                      G_CALLBACK(gd_menu_pause), s);
1918     g_signal_connect(s->reset_item, "activate",
1919                      G_CALLBACK(gd_menu_reset), s);
1920     g_signal_connect(s->powerdown_item, "activate",
1921                      G_CALLBACK(gd_menu_powerdown), s);
1922     g_signal_connect(s->quit_item, "activate",
1923                      G_CALLBACK(gd_menu_quit), s);
1924 #if defined(CONFIG_VTE)
1925     g_signal_connect(s->copy_item, "activate",
1926                      G_CALLBACK(gd_menu_copy), s);
1927 #endif
1928     g_signal_connect(s->full_screen_item, "activate",
1929                      G_CALLBACK(gd_menu_full_screen), s);
1930     g_signal_connect(s->zoom_in_item, "activate",
1931                      G_CALLBACK(gd_menu_zoom_in), s);
1932     g_signal_connect(s->zoom_out_item, "activate",
1933                      G_CALLBACK(gd_menu_zoom_out), s);
1934     g_signal_connect(s->zoom_fixed_item, "activate",
1935                      G_CALLBACK(gd_menu_zoom_fixed), s);
1936     g_signal_connect(s->zoom_fit_item, "activate",
1937                      G_CALLBACK(gd_menu_zoom_fit), s);
1938     g_signal_connect(s->grab_item, "activate",
1939                      G_CALLBACK(gd_menu_grab_input), s);
1940     g_signal_connect(s->notebook, "switch-page",
1941                      G_CALLBACK(gd_change_page), s);
1942 }
1943 
1944 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1945 {
1946     GtkWidget *machine_menu;
1947     GtkWidget *separator;
1948 
1949     machine_menu = gtk_menu_new();
1950     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1951 
1952     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1953     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1954 
1955     separator = gtk_separator_menu_item_new();
1956     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1957 
1958     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1959     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1960 
1961     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1962     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1963 
1964     separator = gtk_separator_menu_item_new();
1965     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1966 
1967     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1968     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1969                                  "<QEMU>/Machine/Quit");
1970     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1971                             GDK_KEY_q, HOTKEY_MODIFIERS);
1972     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1973 
1974     return machine_menu;
1975 }
1976 
1977 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1978                               QemuConsole *con, int idx,
1979                               GSList *group, GtkWidget *view_menu)
1980 {
1981     bool zoom_to_fit = false;
1982 
1983     vc->label = qemu_console_get_label(con);
1984     vc->s = s;
1985     vc->gfx.scale_x = 1.0;
1986     vc->gfx.scale_y = 1.0;
1987 
1988 #if defined(CONFIG_OPENGL)
1989     if (display_opengl) {
1990         if (gtk_use_gl_area) {
1991             vc->gfx.drawing_area = gtk_gl_area_new();
1992             vc->gfx.dcl.ops = &dcl_gl_area_ops;
1993         } else {
1994             vc->gfx.drawing_area = gtk_drawing_area_new();
1995             /*
1996              * gtk_widget_set_double_buffered() was deprecated in 3.14.
1997              * It is required for opengl rendering on X11 though.  A
1998              * proper replacement (native opengl support) is only
1999              * available in 3.16+.  Silence the warning if possible.
2000              */
2001 #pragma GCC diagnostic push
2002 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2003             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2004 #pragma GCC diagnostic pop
2005             vc->gfx.dcl.ops = &dcl_egl_ops;
2006         }
2007     } else
2008 #endif
2009     {
2010         vc->gfx.drawing_area = gtk_drawing_area_new();
2011         vc->gfx.dcl.ops = &dcl_ops;
2012     }
2013 
2014 
2015     gtk_widget_add_events(vc->gfx.drawing_area,
2016                           GDK_POINTER_MOTION_MASK |
2017                           GDK_BUTTON_PRESS_MASK |
2018                           GDK_BUTTON_RELEASE_MASK |
2019                           GDK_BUTTON_MOTION_MASK |
2020                           GDK_ENTER_NOTIFY_MASK |
2021                           GDK_LEAVE_NOTIFY_MASK |
2022                           GDK_SCROLL_MASK |
2023                           GDK_SMOOTH_SCROLL_MASK |
2024                           GDK_KEY_PRESS_MASK);
2025     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2026 
2027     vc->type = GD_VC_GFX;
2028     vc->tab_item = vc->gfx.drawing_area;
2029     vc->focus = vc->gfx.drawing_area;
2030     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2031                              vc->tab_item, gtk_label_new(vc->label));
2032 
2033     vc->gfx.kbd = qkbd_state_init(con);
2034     vc->gfx.dcl.con = con;
2035 
2036     register_displaychangelistener(&vc->gfx.dcl);
2037 
2038     gd_connect_vc_gfx_signals(vc);
2039     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2040 
2041     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2042         zoom_to_fit = true;
2043     }
2044     if (s->opts->u.gtk.has_zoom_to_fit) {
2045         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2046     }
2047     if (zoom_to_fit) {
2048         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2049         s->free_scale = true;
2050     }
2051 
2052     return group;
2053 }
2054 
2055 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2056 {
2057     GSList *group = NULL;
2058     GtkWidget *view_menu;
2059     GtkWidget *separator;
2060     QemuConsole *con;
2061     int vc;
2062 
2063     view_menu = gtk_menu_new();
2064     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2065 
2066     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2067 
2068 #if defined(CONFIG_VTE)
2069     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2070     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2071 #endif
2072 
2073     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2074             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2075     gtk_accel_label_set_accel(
2076             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2077             GDK_KEY_f, HOTKEY_MODIFIERS);
2078     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2079 
2080     separator = gtk_separator_menu_item_new();
2081     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2082 
2083     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2084     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2085                                  "<QEMU>/View/Zoom In");
2086     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2087                             HOTKEY_MODIFIERS);
2088     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2089             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2090     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2091 
2092     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2093     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2094                                  "<QEMU>/View/Zoom Out");
2095     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2096                             HOTKEY_MODIFIERS);
2097     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2098 
2099     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2100     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2101                                  "<QEMU>/View/Zoom Fixed");
2102     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2103                             HOTKEY_MODIFIERS);
2104     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2105 
2106     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2107     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2108 
2109     separator = gtk_separator_menu_item_new();
2110     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2111 
2112     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2113     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2114 
2115     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2116     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2117                                  "<QEMU>/View/Grab Input");
2118     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2119                             HOTKEY_MODIFIERS);
2120     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2121 
2122     separator = gtk_separator_menu_item_new();
2123     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2124 
2125     /* gfx */
2126     for (vc = 0;; vc++) {
2127         con = qemu_console_lookup_by_index(vc);
2128         if (!con) {
2129             break;
2130         }
2131         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2132                                vc, group, view_menu);
2133         s->nb_vcs++;
2134     }
2135 
2136 #if defined(CONFIG_VTE)
2137     /* vte */
2138     gd_vcs_init(s, group, view_menu);
2139 #endif
2140 
2141     separator = gtk_separator_menu_item_new();
2142     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2143 
2144     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2145     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2146 
2147     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2148     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2149 
2150     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2151             _("Show Menubar"));
2152     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2153                                    TRUE);
2154     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2155             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2156     gtk_accel_label_set_accel(
2157             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2158             GDK_KEY_m, HOTKEY_MODIFIERS);
2159     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2160 
2161     return view_menu;
2162 }
2163 
2164 static void gd_create_menus(GtkDisplayState *s)
2165 {
2166     GtkSettings *settings;
2167 
2168     s->accel_group = gtk_accel_group_new();
2169     s->machine_menu = gd_create_menu_machine(s);
2170     s->view_menu = gd_create_menu_view(s);
2171 
2172     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2173     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2174                               s->machine_menu);
2175     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2176 
2177     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2178     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2179     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2180 
2181     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2182     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2183 
2184     /* Disable the default "F10" menu shortcut. */
2185     settings = gtk_widget_get_settings(s->window);
2186     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2187 }
2188 
2189 
2190 static gboolean gtkinit;
2191 
2192 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2193 {
2194     VirtualConsole *vc;
2195 
2196     GtkDisplayState *s = g_malloc0(sizeof(*s));
2197     GdkDisplay *window_display;
2198     GtkIconTheme *theme;
2199     char *dir;
2200 
2201     if (!gtkinit) {
2202         fprintf(stderr, "gtk initialization failed\n");
2203         exit(1);
2204     }
2205     assert(opts->type == DISPLAY_TYPE_GTK);
2206     s->opts = opts;
2207 
2208     theme = gtk_icon_theme_get_default();
2209     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2210     gtk_icon_theme_prepend_search_path(theme, dir);
2211     g_free(dir);
2212     g_set_prgname("qemu");
2213 
2214     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2215     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2216     s->notebook = gtk_notebook_new();
2217     s->menu_bar = gtk_menu_bar_new();
2218 
2219     s->free_scale = FALSE;
2220 
2221     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2222      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2223      * printable, but without changing any of the character classes to make
2224      * sure that we don't accidentally break implicit assumptions.  */
2225     setlocale(LC_MESSAGES, "");
2226     setlocale(LC_CTYPE, "C.UTF-8");
2227     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2228     bindtextdomain("qemu", dir);
2229     g_free(dir);
2230     bind_textdomain_codeset("qemu", "UTF-8");
2231     textdomain("qemu");
2232 
2233     window_display = gtk_widget_get_display(s->window);
2234     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2235         s->null_cursor = NULL; /* default pointer */
2236     } else {
2237         s->null_cursor = gdk_cursor_new_for_display(window_display,
2238                                                     GDK_BLANK_CURSOR);
2239     }
2240 
2241     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2242     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2243     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2244 
2245     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2246 
2247     gd_create_menus(s);
2248 
2249     gd_connect_signals(s);
2250 
2251     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2252     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2253 
2254     gd_update_caption(s);
2255 
2256     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2257     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2258 
2259     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2260 
2261     gtk_widget_show_all(s->window);
2262 
2263     vc = gd_vc_find_current(s);
2264     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2265 #ifdef CONFIG_VTE
2266     gtk_widget_set_sensitive(s->copy_item,
2267                              vc && vc->type == GD_VC_VTE);
2268 #endif
2269 
2270     if (opts->has_full_screen &&
2271         opts->full_screen) {
2272         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2273     }
2274     if (opts->u.gtk.has_grab_on_hover &&
2275         opts->u.gtk.grab_on_hover) {
2276         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2277     }
2278 }
2279 
2280 static void early_gtk_display_init(DisplayOptions *opts)
2281 {
2282     /* The QEMU code relies on the assumption that it's always run in
2283      * the C locale. Therefore it is not prepared to deal with
2284      * operations that produce different results depending on the
2285      * locale, such as printf's formatting of decimal numbers, and
2286      * possibly others.
2287      *
2288      * Since GTK+ calls setlocale() by default -importing the locale
2289      * settings from the environment- we must prevent it from doing so
2290      * using gtk_disable_setlocale().
2291      *
2292      * QEMU's GTK+ UI, however, _does_ have translations for some of
2293      * the menu items. As a trade-off between a functionally correct
2294      * QEMU and a fully internationalized UI we support importing
2295      * LC_MESSAGES from the environment (see the setlocale() call
2296      * earlier in this file). This allows us to display translated
2297      * messages leaving everything else untouched.
2298      */
2299     gtk_disable_setlocale();
2300     gtkinit = gtk_init_check(NULL, NULL);
2301     if (!gtkinit) {
2302         /* don't exit yet, that'll break -help */
2303         return;
2304     }
2305 
2306     assert(opts->type == DISPLAY_TYPE_GTK);
2307     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2308 #if defined(CONFIG_OPENGL)
2309 #if defined(GDK_WINDOWING_WAYLAND)
2310         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2311             gtk_use_gl_area = true;
2312             gtk_gl_area_init();
2313         } else
2314 #endif
2315         {
2316             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2317             gtk_egl_init(mode);
2318         }
2319 #endif
2320     }
2321 
2322     keycode_map = gd_get_keymap(&keycode_maplen);
2323 
2324 #if defined(CONFIG_VTE)
2325     type_register(&char_gd_vc_type_info);
2326 #endif
2327 }
2328 
2329 static QemuDisplay qemu_display_gtk = {
2330     .type       = DISPLAY_TYPE_GTK,
2331     .early_init = early_gtk_display_init,
2332     .init       = gtk_display_init,
2333 };
2334 
2335 static void register_gtk(void)
2336 {
2337     qemu_display_register(&qemu_display_gtk);
2338 }
2339 
2340 type_init(register_gtk);
2341