xref: /openbmc/qemu/ui/gtk.c (revision ba632924)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  *
12  * Portions from gtk-vnc:
13  *
14  * GTK VNC Widget
15  *
16  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
18  *
19  * This library is free software; you can redistribute it and/or
20  * modify it under the terms of the GNU Lesser General Public
21  * License as published by the Free Software Foundation; either
22  * version 2.0 of the License, or (at your option) any later version.
23  *
24  * This library is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27  * Lesser General Public License for more details.
28  *
29  * You should have received a copy of the GNU Lesser General Public
30  * License along with this library; if not, write to the Free Software
31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
32  */
33 
34 #define GETTEXT_PACKAGE "qemu"
35 #define LOCALEDIR "po"
36 
37 #include "qemu/osdep.h"
38 #include "qemu-common.h"
39 #include "qapi/error.h"
40 #include "qapi/qapi-commands-misc.h"
41 #include "qemu/cutils.h"
42 
43 #include "ui/console.h"
44 #include "ui/gtk.h"
45 
46 #include <glib/gi18n.h>
47 #include <locale.h>
48 #if defined(CONFIG_VTE)
49 #include <vte/vte.h>
50 #endif
51 #include <math.h>
52 
53 #include "trace.h"
54 #include "ui/input.h"
55 #include "sysemu/sysemu.h"
56 #include "keymaps.h"
57 #include "chardev/char.h"
58 #include "qom/object.h"
59 
60 #define MAX_VCS 10
61 #define VC_WINDOW_X_MIN  320
62 #define VC_WINDOW_Y_MIN  240
63 #define VC_TERM_X_MIN     80
64 #define VC_TERM_Y_MIN     25
65 #define VC_SCALE_MIN    0.25
66 #define VC_SCALE_STEP   0.25
67 
68 #ifdef GDK_WINDOWING_X11
69 #include "x_keymap.h"
70 
71 /* Gtk2 compat */
72 #ifndef GDK_IS_X11_DISPLAY
73 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
74 #endif
75 #endif
76 
77 
78 #ifdef GDK_WINDOWING_WAYLAND
79 /* Gtk2 compat */
80 #ifndef GDK_IS_WAYLAND_DISPLAY
81 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
82 #endif
83 #endif
84 
85 
86 #ifdef GDK_WINDOWING_WIN32
87 /* Gtk2 compat */
88 #ifndef GDK_IS_WIN32_DISPLAY
89 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
90 #endif
91 #endif
92 
93 
94 #ifdef GDK_WINDOWING_BROADWAY
95 /* Gtk2 compat */
96 #ifndef GDK_IS_BROADWAY_DISPLAY
97 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
98 #endif
99 #endif
100 
101 
102 #ifdef GDK_WINDOWING_QUARTZ
103 /* Gtk2 compat */
104 #ifndef GDK_IS_QUARTZ_DISPLAY
105 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
106 #endif
107 #endif
108 
109 
110 #if !defined(CONFIG_VTE)
111 # define VTE_CHECK_VERSION(a, b, c) 0
112 #endif
113 
114 /* Some older mingw versions lack this constant or have
115  * it conditionally defined */
116 #ifdef _WIN32
117 # ifndef MAPVK_VK_TO_VSC
118 #  define MAPVK_VK_TO_VSC 0
119 # endif
120 #endif
121 
122 
123 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
124 
125 static const guint16 *keycode_map;
126 static size_t keycode_maplen;
127 
128 struct GtkDisplayState {
129     GtkWidget *window;
130 
131     GtkWidget *menu_bar;
132 
133     GtkAccelGroup *accel_group;
134 
135     GtkWidget *machine_menu_item;
136     GtkWidget *machine_menu;
137     GtkWidget *pause_item;
138     GtkWidget *reset_item;
139     GtkWidget *powerdown_item;
140     GtkWidget *quit_item;
141 
142     GtkWidget *view_menu_item;
143     GtkWidget *view_menu;
144     GtkWidget *full_screen_item;
145     GtkWidget *copy_item;
146     GtkWidget *zoom_in_item;
147     GtkWidget *zoom_out_item;
148     GtkWidget *zoom_fixed_item;
149     GtkWidget *zoom_fit_item;
150     GtkWidget *grab_item;
151     GtkWidget *grab_on_hover_item;
152 
153     int nb_vcs;
154     VirtualConsole vc[MAX_VCS];
155 
156     GtkWidget *show_tabs_item;
157     GtkWidget *untabify_item;
158     GtkWidget *show_menubar_item;
159 
160     GtkWidget *vbox;
161     GtkWidget *notebook;
162     int button_mask;
163     gboolean last_set;
164     int last_x;
165     int last_y;
166     int grab_x_root;
167     int grab_y_root;
168     VirtualConsole *kbd_owner;
169     VirtualConsole *ptr_owner;
170 
171     gboolean full_screen;
172 
173     GdkCursor *null_cursor;
174     Notifier mouse_mode_notifier;
175     gboolean free_scale;
176 
177     bool external_pause_update;
178 
179     bool ignore_keys;
180 
181     DisplayOptions *opts;
182 };
183 
184 typedef struct VCChardev {
185     Chardev parent;
186     VirtualConsole *console;
187     bool echo;
188 } VCChardev;
189 
190 #define TYPE_CHARDEV_VC "chardev-vc"
191 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
192 
193 bool gtk_use_gl_area;
194 
195 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
196 static void gd_ungrab_pointer(GtkDisplayState *s);
197 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
198 static void gd_ungrab_keyboard(GtkDisplayState *s);
199 
200 /** Utility Functions **/
201 
202 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
203 {
204     VirtualConsole *vc;
205     gint i;
206 
207     for (i = 0; i < s->nb_vcs; i++) {
208         vc = &s->vc[i];
209         if (gtk_check_menu_item_get_active
210             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
211             return vc;
212         }
213     }
214     return NULL;
215 }
216 
217 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
218 {
219     VirtualConsole *vc;
220     gint i, p;
221 
222     for (i = 0; i < s->nb_vcs; i++) {
223         vc = &s->vc[i];
224         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
225         if (p == page) {
226             return vc;
227         }
228     }
229     return NULL;
230 }
231 
232 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
233 {
234     gint page;
235 
236     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
237     return gd_vc_find_by_page(s, page);
238 }
239 
240 static bool gd_is_grab_active(GtkDisplayState *s)
241 {
242     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
243 }
244 
245 static bool gd_grab_on_hover(GtkDisplayState *s)
246 {
247     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
248 }
249 
250 static void gd_update_cursor(VirtualConsole *vc)
251 {
252     GtkDisplayState *s = vc->s;
253     GdkWindow *window;
254 
255     if (vc->type != GD_VC_GFX ||
256         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
257         return;
258     }
259 
260     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
261         return;
262     }
263 
264     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
265     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
266         gdk_window_set_cursor(window, s->null_cursor);
267     } else {
268         gdk_window_set_cursor(window, NULL);
269     }
270 }
271 
272 static void gd_update_caption(GtkDisplayState *s)
273 {
274     const char *status = "";
275     gchar *prefix;
276     gchar *title;
277     const char *grab = "";
278     bool is_paused = !runstate_is_running();
279     int i;
280 
281     if (qemu_name) {
282         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
283     } else {
284         prefix = g_strdup_printf("QEMU");
285     }
286 
287     if (s->ptr_owner != NULL &&
288         s->ptr_owner->window == NULL) {
289         grab = _(" - Press Ctrl+Alt+G to release grab");
290     }
291 
292     if (is_paused) {
293         status = _(" [Paused]");
294     }
295     s->external_pause_update = true;
296     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
297                                    is_paused);
298     s->external_pause_update = false;
299 
300     title = g_strdup_printf("%s%s%s", prefix, status, grab);
301     gtk_window_set_title(GTK_WINDOW(s->window), title);
302     g_free(title);
303 
304     for (i = 0; i < s->nb_vcs; i++) {
305         VirtualConsole *vc = &s->vc[i];
306 
307         if (!vc->window) {
308             continue;
309         }
310         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
311                                 vc == s->kbd_owner ? " +kbd" : "",
312                                 vc == s->ptr_owner ? " +ptr" : "");
313         gtk_window_set_title(GTK_WINDOW(vc->window), title);
314         g_free(title);
315     }
316 
317     g_free(prefix);
318 }
319 
320 static void gd_update_geometry_hints(VirtualConsole *vc)
321 {
322     GtkDisplayState *s = vc->s;
323     GdkWindowHints mask = 0;
324     GdkGeometry geo = {};
325     GtkWidget *geo_widget = NULL;
326     GtkWindow *geo_window;
327 
328     if (vc->type == GD_VC_GFX) {
329         if (!vc->gfx.ds) {
330             return;
331         }
332         if (s->free_scale) {
333             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
334             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
335             mask |= GDK_HINT_MIN_SIZE;
336         } else {
337             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
338             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
339             mask |= GDK_HINT_MIN_SIZE;
340         }
341         geo_widget = vc->gfx.drawing_area;
342         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
343 
344 #if defined(CONFIG_VTE)
345     } else if (vc->type == GD_VC_VTE) {
346         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
347         GtkBorder padding = { 0 };
348 
349 #if VTE_CHECK_VERSION(0, 37, 0)
350         gtk_style_context_get_padding(
351                 gtk_widget_get_style_context(vc->vte.terminal),
352                 gtk_widget_get_state_flags(vc->vte.terminal),
353                 &padding);
354 #else
355         {
356             GtkBorder *ib = NULL;
357             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
358             if (ib) {
359                 padding = *ib;
360                 gtk_border_free(ib);
361             }
362         }
363 #endif
364 
365         geo.width_inc  = vte_terminal_get_char_width(term);
366         geo.height_inc = vte_terminal_get_char_height(term);
367         mask |= GDK_HINT_RESIZE_INC;
368         geo.base_width  = geo.width_inc;
369         geo.base_height = geo.height_inc;
370         mask |= GDK_HINT_BASE_SIZE;
371         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
372         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
373         mask |= GDK_HINT_MIN_SIZE;
374 
375         geo.base_width  += padding.left + padding.right;
376         geo.base_height += padding.top + padding.bottom;
377         geo.min_width   += padding.left + padding.right;
378         geo.min_height  += padding.top + padding.bottom;
379         geo_widget = vc->vte.terminal;
380 #endif
381     }
382 
383     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
384     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
385 }
386 
387 void gd_update_windowsize(VirtualConsole *vc)
388 {
389     GtkDisplayState *s = vc->s;
390 
391     gd_update_geometry_hints(vc);
392 
393     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
394         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
395                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
396     }
397 }
398 
399 static void gd_update_full_redraw(VirtualConsole *vc)
400 {
401     GtkWidget *area = vc->gfx.drawing_area;
402     int ww, wh;
403     ww = gdk_window_get_width(gtk_widget_get_window(area));
404     wh = gdk_window_get_height(gtk_widget_get_window(area));
405 #if defined(CONFIG_GTK_GL)
406     if (vc->gfx.gls && gtk_use_gl_area) {
407         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
408         return;
409     }
410 #endif
411     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
412 }
413 
414 static void gtk_release_modifiers(GtkDisplayState *s)
415 {
416     VirtualConsole *vc = gd_vc_find_current(s);
417 
418     if (vc->type != GD_VC_GFX ||
419         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
420         return;
421     }
422     qkbd_state_lift_all_keys(vc->gfx.kbd);
423 }
424 
425 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
426                                GtkWidget *widget)
427 {
428     g_object_ref(G_OBJECT(widget));
429     gtk_container_remove(GTK_CONTAINER(from), widget);
430     gtk_container_add(GTK_CONTAINER(to), widget);
431     g_object_unref(G_OBJECT(widget));
432 }
433 
434 /** DisplayState Callbacks **/
435 
436 static void gd_update(DisplayChangeListener *dcl,
437                       int x, int y, int w, int h)
438 {
439     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
440     GdkWindow *win;
441     int x1, x2, y1, y2;
442     int mx, my;
443     int fbw, fbh;
444     int ww, wh;
445 
446     trace_gd_update(vc->label, x, y, w, h);
447 
448     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
449         return;
450     }
451 
452     if (vc->gfx.convert) {
453         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
454                                NULL, vc->gfx.convert,
455                                x, y, 0, 0, x, y, w, h);
456     }
457 
458     x1 = floor(x * vc->gfx.scale_x);
459     y1 = floor(y * vc->gfx.scale_y);
460 
461     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
462     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
463 
464     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
465     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
466 
467     win = gtk_widget_get_window(vc->gfx.drawing_area);
468     if (!win) {
469         return;
470     }
471     ww = gdk_window_get_width(win);
472     wh = gdk_window_get_height(win);
473 
474     mx = my = 0;
475     if (ww > fbw) {
476         mx = (ww - fbw) / 2;
477     }
478     if (wh > fbh) {
479         my = (wh - fbh) / 2;
480     }
481 
482     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
483                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
484 }
485 
486 static void gd_refresh(DisplayChangeListener *dcl)
487 {
488     graphic_hw_update(dcl->con);
489 }
490 
491 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
492 {
493 #if GTK_CHECK_VERSION(3, 20, 0)
494     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
495 #else
496     return gdk_device_manager_get_client_pointer(
497         gdk_display_get_device_manager(dpy));
498 #endif
499 }
500 
501 static void gd_mouse_set(DisplayChangeListener *dcl,
502                          int x, int y, int visible)
503 {
504     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
505     GdkDisplay *dpy;
506     gint x_root, y_root;
507 
508     if (qemu_input_is_absolute()) {
509         return;
510     }
511 
512     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
513     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
514                                x, y, &x_root, &y_root);
515     gdk_device_warp(gd_get_pointer(dpy),
516                     gtk_widget_get_screen(vc->gfx.drawing_area),
517                     x_root, y_root);
518     vc->s->last_x = x;
519     vc->s->last_y = y;
520 }
521 
522 static void gd_cursor_define(DisplayChangeListener *dcl,
523                              QEMUCursor *c)
524 {
525     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
526     GdkPixbuf *pixbuf;
527     GdkCursor *cursor;
528 
529     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
530         return;
531     }
532 
533     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
534                                       GDK_COLORSPACE_RGB, true, 8,
535                                       c->width, c->height, c->width * 4,
536                                       NULL, NULL);
537     cursor = gdk_cursor_new_from_pixbuf
538         (gtk_widget_get_display(vc->gfx.drawing_area),
539          pixbuf, c->hot_x, c->hot_y);
540     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
541     g_object_unref(pixbuf);
542     g_object_unref(cursor);
543 }
544 
545 static void gd_switch(DisplayChangeListener *dcl,
546                       DisplaySurface *surface)
547 {
548     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
549     bool resized = true;
550 
551     trace_gd_switch(vc->label,
552                     surface ? surface_width(surface)  : 0,
553                     surface ? surface_height(surface) : 0);
554 
555     if (vc->gfx.surface) {
556         cairo_surface_destroy(vc->gfx.surface);
557         vc->gfx.surface = NULL;
558     }
559     if (vc->gfx.convert) {
560         pixman_image_unref(vc->gfx.convert);
561         vc->gfx.convert = NULL;
562     }
563 
564     if (vc->gfx.ds && surface &&
565         surface_width(vc->gfx.ds) == surface_width(surface) &&
566         surface_height(vc->gfx.ds) == surface_height(surface)) {
567         resized = false;
568     }
569     vc->gfx.ds = surface;
570 
571     if (!surface) {
572         return;
573     }
574 
575     if (surface->format == PIXMAN_x8r8g8b8) {
576         /*
577          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
578          *
579          * No need to convert, use surface directly.  Should be the
580          * common case as this is qemu_default_pixelformat(32) too.
581          */
582         vc->gfx.surface = cairo_image_surface_create_for_data
583             (surface_data(surface),
584              CAIRO_FORMAT_RGB24,
585              surface_width(surface),
586              surface_height(surface),
587              surface_stride(surface));
588     } else {
589         /* Must convert surface, use pixman to do it. */
590         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
591                                                    surface_width(surface),
592                                                    surface_height(surface),
593                                                    NULL, 0);
594         vc->gfx.surface = cairo_image_surface_create_for_data
595             ((void *)pixman_image_get_data(vc->gfx.convert),
596              CAIRO_FORMAT_RGB24,
597              pixman_image_get_width(vc->gfx.convert),
598              pixman_image_get_height(vc->gfx.convert),
599              pixman_image_get_stride(vc->gfx.convert));
600         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
601                                NULL, vc->gfx.convert,
602                                0, 0, 0, 0, 0, 0,
603                                pixman_image_get_width(vc->gfx.convert),
604                                pixman_image_get_height(vc->gfx.convert));
605     }
606 
607     if (resized) {
608         gd_update_windowsize(vc);
609     } else {
610         gd_update_full_redraw(vc);
611     }
612 }
613 
614 static const DisplayChangeListenerOps dcl_ops = {
615     .dpy_name             = "gtk",
616     .dpy_gfx_update       = gd_update,
617     .dpy_gfx_switch       = gd_switch,
618     .dpy_gfx_check_format = qemu_pixman_check_format,
619     .dpy_refresh          = gd_refresh,
620     .dpy_mouse_set        = gd_mouse_set,
621     .dpy_cursor_define    = gd_cursor_define,
622 };
623 
624 
625 #if defined(CONFIG_OPENGL)
626 
627 /** DisplayState Callbacks (opengl version) **/
628 
629 #if defined(CONFIG_GTK_GL)
630 
631 static const DisplayChangeListenerOps dcl_gl_area_ops = {
632     .dpy_name             = "gtk-egl",
633     .dpy_gfx_update       = gd_gl_area_update,
634     .dpy_gfx_switch       = gd_gl_area_switch,
635     .dpy_gfx_check_format = console_gl_check_format,
636     .dpy_refresh          = gd_gl_area_refresh,
637     .dpy_mouse_set        = gd_mouse_set,
638     .dpy_cursor_define    = gd_cursor_define,
639 
640     .dpy_gl_ctx_create       = gd_gl_area_create_context,
641     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
642     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
643     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
644     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
645     .dpy_gl_update           = gd_gl_area_scanout_flush,
646 };
647 
648 #endif /* CONFIG_GTK_GL */
649 
650 static const DisplayChangeListenerOps dcl_egl_ops = {
651     .dpy_name             = "gtk-egl",
652     .dpy_gfx_update       = gd_egl_update,
653     .dpy_gfx_switch       = gd_egl_switch,
654     .dpy_gfx_check_format = console_gl_check_format,
655     .dpy_refresh          = gd_egl_refresh,
656     .dpy_mouse_set        = gd_mouse_set,
657     .dpy_cursor_define    = gd_cursor_define,
658 
659     .dpy_gl_ctx_create       = gd_egl_create_context,
660     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
661     .dpy_gl_ctx_make_current = gd_egl_make_current,
662     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
663     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
664     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
665     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
666     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
667     .dpy_gl_cursor_position  = gd_egl_cursor_position,
668     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
669     .dpy_gl_update           = gd_egl_scanout_flush,
670 };
671 
672 #endif /* CONFIG_OPENGL */
673 
674 /** QEMU Events **/
675 
676 static void gd_change_runstate(void *opaque, int running, RunState state)
677 {
678     GtkDisplayState *s = opaque;
679 
680     gd_update_caption(s);
681 }
682 
683 static void gd_mouse_mode_change(Notifier *notify, void *data)
684 {
685     GtkDisplayState *s;
686     int i;
687 
688     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
689     /* release the grab at switching to absolute mode */
690     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
691         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
692                                        FALSE);
693     }
694     for (i = 0; i < s->nb_vcs; i++) {
695         VirtualConsole *vc = &s->vc[i];
696         gd_update_cursor(vc);
697     }
698 }
699 
700 /** GTK Events **/
701 
702 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
703                                 void *opaque)
704 {
705     GtkDisplayState *s = opaque;
706     bool allow_close = true;
707 
708     if (s->opts->has_window_close && !s->opts->window_close) {
709         allow_close = false;
710     }
711 
712     if (allow_close) {
713         qmp_quit(NULL);
714     }
715 
716     return TRUE;
717 }
718 
719 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
720 {
721     QemuUIInfo info;
722 
723     memset(&info, 0, sizeof(info));
724     info.width = width;
725     info.height = height;
726     dpy_set_ui_info(vc->gfx.dcl.con, &info);
727 }
728 
729 #if defined(CONFIG_GTK_GL)
730 
731 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
732                                 void *opaque)
733 {
734     VirtualConsole *vc = opaque;
735 
736     if (vc->gfx.gls) {
737         gd_gl_area_draw(vc);
738     }
739     return TRUE;
740 }
741 
742 static void gd_resize_event(GtkGLArea *area,
743                             gint width, gint height, gpointer *opaque)
744 {
745     VirtualConsole *vc = (void *)opaque;
746 
747     gd_set_ui_info(vc, width, height);
748 }
749 
750 #endif
751 
752 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
753 {
754     VirtualConsole *vc = opaque;
755     GtkDisplayState *s = vc->s;
756     int mx, my;
757     int ww, wh;
758     int fbw, fbh;
759 
760 #if defined(CONFIG_OPENGL)
761     if (vc->gfx.gls) {
762         if (gtk_use_gl_area) {
763             /* invoke render callback please */
764             return FALSE;
765         } else {
766             gd_egl_draw(vc);
767             return TRUE;
768         }
769     }
770 #endif
771 
772     if (!gtk_widget_get_realized(widget)) {
773         return FALSE;
774     }
775     if (!vc->gfx.ds) {
776         return FALSE;
777     }
778 
779     fbw = surface_width(vc->gfx.ds);
780     fbh = surface_height(vc->gfx.ds);
781 
782     ww = gdk_window_get_width(gtk_widget_get_window(widget));
783     wh = gdk_window_get_height(gtk_widget_get_window(widget));
784 
785     if (s->full_screen) {
786         vc->gfx.scale_x = (double)ww / fbw;
787         vc->gfx.scale_y = (double)wh / fbh;
788     } else if (s->free_scale) {
789         double sx, sy;
790 
791         sx = (double)ww / fbw;
792         sy = (double)wh / fbh;
793 
794         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
795     }
796 
797     fbw *= vc->gfx.scale_x;
798     fbh *= vc->gfx.scale_y;
799 
800     mx = my = 0;
801     if (ww > fbw) {
802         mx = (ww - fbw) / 2;
803     }
804     if (wh > fbh) {
805         my = (wh - fbh) / 2;
806     }
807 
808     cairo_rectangle(cr, 0, 0, ww, wh);
809 
810     /* Optionally cut out the inner area where the pixmap
811        will be drawn. This avoids 'flashing' since we're
812        not double-buffering. Note we're using the undocumented
813        behaviour of drawing the rectangle from right to left
814        to cut out the whole */
815     cairo_rectangle(cr, mx + fbw, my,
816                     -1 * fbw, fbh);
817     cairo_fill(cr);
818 
819     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
820     cairo_set_source_surface(cr, vc->gfx.surface,
821                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
822     cairo_paint(cr);
823 
824     return TRUE;
825 }
826 
827 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
828                                 void *opaque)
829 {
830     VirtualConsole *vc = opaque;
831     GtkDisplayState *s = vc->s;
832     int x, y;
833     int mx, my;
834     int fbh, fbw;
835     int ww, wh;
836 
837     if (!vc->gfx.ds) {
838         return TRUE;
839     }
840 
841     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
842     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
843 
844     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
845     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
846 
847     mx = my = 0;
848     if (ww > fbw) {
849         mx = (ww - fbw) / 2;
850     }
851     if (wh > fbh) {
852         my = (wh - fbh) / 2;
853     }
854 
855     x = (motion->x - mx) / vc->gfx.scale_x;
856     y = (motion->y - my) / vc->gfx.scale_y;
857 
858     if (qemu_input_is_absolute()) {
859         if (x < 0 || y < 0 ||
860             x >= surface_width(vc->gfx.ds) ||
861             y >= surface_height(vc->gfx.ds)) {
862             return TRUE;
863         }
864         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
865                              0, surface_width(vc->gfx.ds));
866         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
867                              0, surface_height(vc->gfx.ds));
868         qemu_input_event_sync();
869     } else if (s->last_set && s->ptr_owner == vc) {
870         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
871         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
872         qemu_input_event_sync();
873     }
874     s->last_x = x;
875     s->last_y = y;
876     s->last_set = TRUE;
877 
878     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
879         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
880         int screen_width, screen_height;
881 
882         int x = (int)motion->x_root;
883         int y = (int)motion->y_root;
884 
885 #if GTK_CHECK_VERSION(3, 22, 0)
886         {
887             GdkDisplay *dpy = gtk_widget_get_display(widget);
888             GdkWindow *win = gtk_widget_get_window(widget);
889             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
890             GdkRectangle geometry;
891             gdk_monitor_get_geometry(monitor, &geometry);
892             screen_width = geometry.width;
893             screen_height = geometry.height;
894         }
895 #else
896         {
897             screen_width = gdk_screen_get_width(screen);
898             screen_height = gdk_screen_get_height(screen);
899         }
900 #endif
901 
902         /* In relative mode check to see if client pointer hit
903          * one of the screen edges, and if so move it back by
904          * 200 pixels. This is important because the pointer
905          * in the server doesn't correspond 1-for-1, and so
906          * may still be only half way across the screen. Without
907          * this warp, the server pointer would thus appear to hit
908          * an invisible wall */
909         if (x == 0) {
910             x += 200;
911         }
912         if (y == 0) {
913             y += 200;
914         }
915         if (x == (screen_width - 1)) {
916             x -= 200;
917         }
918         if (y == (screen_height - 1)) {
919             y -= 200;
920         }
921 
922         if (x != (int)motion->x_root || y != (int)motion->y_root) {
923             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
924             gdk_device_warp(dev, screen, x, y);
925             s->last_set = FALSE;
926             return FALSE;
927         }
928     }
929     return TRUE;
930 }
931 
932 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
933                                 void *opaque)
934 {
935     VirtualConsole *vc = opaque;
936     GtkDisplayState *s = vc->s;
937     InputButton btn;
938 
939     /* implicitly grab the input at the first click in the relative mode */
940     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
941         !qemu_input_is_absolute() && s->ptr_owner != vc) {
942         if (!vc->window) {
943             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
944                                            TRUE);
945         } else {
946             gd_grab_pointer(vc, "relative-mode-click");
947         }
948         return TRUE;
949     }
950 
951     if (button->button == 1) {
952         btn = INPUT_BUTTON_LEFT;
953     } else if (button->button == 2) {
954         btn = INPUT_BUTTON_MIDDLE;
955     } else if (button->button == 3) {
956         btn = INPUT_BUTTON_RIGHT;
957     } else if (button->button == 8) {
958         btn = INPUT_BUTTON_SIDE;
959     } else if (button->button == 9) {
960         btn = INPUT_BUTTON_EXTRA;
961     } else {
962         return TRUE;
963     }
964 
965     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
966                          button->type == GDK_BUTTON_PRESS);
967     qemu_input_event_sync();
968     return TRUE;
969 }
970 
971 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
972                                 void *opaque)
973 {
974     VirtualConsole *vc = opaque;
975     InputButton btn;
976 
977     if (scroll->direction == GDK_SCROLL_UP) {
978         btn = INPUT_BUTTON_WHEEL_UP;
979     } else if (scroll->direction == GDK_SCROLL_DOWN) {
980         btn = INPUT_BUTTON_WHEEL_DOWN;
981     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
982         gdouble delta_x, delta_y;
983         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
984                                          &delta_x, &delta_y)) {
985             return TRUE;
986         }
987         if (delta_y == 0) {
988             return TRUE;
989         } else if (delta_y > 0) {
990             btn = INPUT_BUTTON_WHEEL_DOWN;
991         } else {
992             btn = INPUT_BUTTON_WHEEL_UP;
993         }
994     } else {
995         return TRUE;
996     }
997 
998     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
999     qemu_input_event_sync();
1000     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1001     qemu_input_event_sync();
1002     return TRUE;
1003 }
1004 
1005 
1006 static const guint16 *gd_get_keymap(size_t *maplen)
1007 {
1008     GdkDisplay *dpy = gdk_display_get_default();
1009 
1010 #ifdef GDK_WINDOWING_X11
1011     if (GDK_IS_X11_DISPLAY(dpy)) {
1012         trace_gd_keymap_windowing("x11");
1013         return qemu_xkeymap_mapping_table(
1014             gdk_x11_display_get_xdisplay(dpy), maplen);
1015     }
1016 #endif
1017 
1018 #ifdef GDK_WINDOWING_WAYLAND
1019     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1020         trace_gd_keymap_windowing("wayland");
1021         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1022         return qemu_input_map_xorgevdev_to_qcode;
1023     }
1024 #endif
1025 
1026 #ifdef GDK_WINDOWING_WIN32
1027     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1028         trace_gd_keymap_windowing("win32");
1029         *maplen = qemu_input_map_win32_to_qcode_len;
1030         return qemu_input_map_win32_to_qcode;
1031     }
1032 #endif
1033 
1034 #ifdef GDK_WINDOWING_QUARTZ
1035     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1036         trace_gd_keymap_windowing("quartz");
1037         *maplen = qemu_input_map_osx_to_qcode_len;
1038         return qemu_input_map_osx_to_qcode;
1039     }
1040 #endif
1041 
1042 #ifdef GDK_WINDOWING_BROADWAY
1043     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1044         trace_gd_keymap_windowing("broadway");
1045         g_warning("experimental: using broadway, x11 virtual keysym\n"
1046                   "mapping - with very limited support. See also\n"
1047                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1048         *maplen = qemu_input_map_x11_to_qcode_len;
1049         return qemu_input_map_x11_to_qcode;
1050     }
1051 #endif
1052 
1053     g_warning("Unsupported GDK Windowing platform.\n"
1054               "Disabling extended keycode tables.\n"
1055               "Please report to qemu-devel@nongnu.org\n"
1056               "including the following information:\n"
1057               "\n"
1058               "  - Operating system\n"
1059               "  - GDK Windowing system build\n");
1060     return NULL;
1061 }
1062 
1063 
1064 static int gd_map_keycode(int scancode)
1065 {
1066     if (!keycode_map) {
1067         return 0;
1068     }
1069     if (scancode > keycode_maplen) {
1070         return 0;
1071     }
1072 
1073     return keycode_map[scancode];
1074 }
1075 
1076 static gboolean gd_text_key_down(GtkWidget *widget,
1077                                  GdkEventKey *key, void *opaque)
1078 {
1079     VirtualConsole *vc = opaque;
1080     QemuConsole *con = vc->gfx.dcl.con;
1081 
1082     if (key->keyval == GDK_KEY_Delete) {
1083         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1084     } else if (key->length) {
1085         kbd_put_string_console(con, key->string, key->length);
1086     } else {
1087         int qcode = gd_map_keycode(key->hardware_keycode);
1088         kbd_put_qcode_console(con, qcode, false);
1089     }
1090     return TRUE;
1091 }
1092 
1093 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1094 {
1095     VirtualConsole *vc = opaque;
1096     GtkDisplayState *s = vc->s;
1097     int qcode;
1098 
1099     if (s->ignore_keys) {
1100         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1101         return TRUE;
1102     }
1103 
1104 #ifdef WIN32
1105     /* on windows, we ought to ignore the reserved key event? */
1106     if (key->hardware_keycode == 0xff)
1107         return false;
1108 #endif
1109 
1110     if (key->keyval == GDK_KEY_Pause
1111 #ifdef G_OS_WIN32
1112         /* for some reason GDK does not fill keyval for VK_PAUSE
1113          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1114          */
1115         || key->hardware_keycode == VK_PAUSE
1116 #endif
1117         ) {
1118         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1119                              key->type == GDK_KEY_PRESS);
1120         return TRUE;
1121     }
1122 
1123     qcode = gd_map_keycode(key->hardware_keycode);
1124 
1125     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1126                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1127 
1128     qkbd_state_key_event(vc->gfx.kbd, qcode,
1129                          key->type == GDK_KEY_PRESS);
1130 
1131     return TRUE;
1132 }
1133 
1134 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1135 {
1136     if (event->type == GDK_MOTION_NOTIFY) {
1137         return gd_motion_event(widget, &event->motion, opaque);
1138     }
1139     return FALSE;
1140 }
1141 
1142 /** Window Menu Actions **/
1143 
1144 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1145 {
1146     GtkDisplayState *s = opaque;
1147 
1148     if (s->external_pause_update) {
1149         return;
1150     }
1151     if (runstate_is_running()) {
1152         qmp_stop(NULL);
1153     } else {
1154         qmp_cont(NULL);
1155     }
1156 }
1157 
1158 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1159 {
1160     qmp_system_reset(NULL);
1161 }
1162 
1163 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1164 {
1165     qmp_system_powerdown(NULL);
1166 }
1167 
1168 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1169 {
1170     qmp_quit(NULL);
1171 }
1172 
1173 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1174 {
1175     GtkDisplayState *s = opaque;
1176     VirtualConsole *vc = gd_vc_find_by_menu(s);
1177     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1178     gint page;
1179 
1180     gtk_release_modifiers(s);
1181     if (vc) {
1182         page = gtk_notebook_page_num(nb, vc->tab_item);
1183         gtk_notebook_set_current_page(nb, page);
1184         gtk_widget_grab_focus(vc->focus);
1185     }
1186     s->ignore_keys = false;
1187 }
1188 
1189 static void gd_accel_switch_vc(void *opaque)
1190 {
1191     VirtualConsole *vc = opaque;
1192 
1193     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1194 }
1195 
1196 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1197 {
1198     GtkDisplayState *s = opaque;
1199     VirtualConsole *vc = gd_vc_find_current(s);
1200 
1201     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1202         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1203     } else {
1204         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1205     }
1206     gd_update_windowsize(vc);
1207 }
1208 
1209 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1210                                     void *opaque)
1211 {
1212     VirtualConsole *vc = opaque;
1213     GtkDisplayState *s = vc->s;
1214 
1215     gtk_widget_set_sensitive(vc->menu_item, true);
1216     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1217     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1218                                     vc->tab_item, vc->label);
1219     gtk_widget_destroy(vc->window);
1220     vc->window = NULL;
1221     return TRUE;
1222 }
1223 
1224 static gboolean gd_win_grab(void *opaque)
1225 {
1226     VirtualConsole *vc = opaque;
1227 
1228     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1229     if (vc->s->ptr_owner) {
1230         gd_ungrab_pointer(vc->s);
1231     } else {
1232         gd_grab_pointer(vc, "user-request-detached-tab");
1233     }
1234     return TRUE;
1235 }
1236 
1237 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1238 {
1239     GtkDisplayState *s = opaque;
1240     VirtualConsole *vc = gd_vc_find_current(s);
1241 
1242     if (vc->type == GD_VC_GFX &&
1243         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1244         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1245                                        FALSE);
1246     }
1247     if (!vc->window) {
1248         gtk_widget_set_sensitive(vc->menu_item, false);
1249         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1250         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1251 
1252         g_signal_connect(vc->window, "delete-event",
1253                          G_CALLBACK(gd_tab_window_close), vc);
1254         gtk_widget_show_all(vc->window);
1255 
1256         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1257             GtkAccelGroup *ag = gtk_accel_group_new();
1258             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1259 
1260             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1261                                                vc, NULL);
1262             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1263         }
1264 
1265         gd_update_geometry_hints(vc);
1266         gd_update_caption(s);
1267     }
1268 }
1269 
1270 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1271 {
1272     GtkDisplayState *s = opaque;
1273     VirtualConsole *vc = gd_vc_find_current(s);
1274 
1275     if (s->full_screen) {
1276         return;
1277     }
1278 
1279     if (gtk_check_menu_item_get_active(
1280                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1281         gtk_widget_show(s->menu_bar);
1282     } else {
1283         gtk_widget_hide(s->menu_bar);
1284     }
1285     gd_update_windowsize(vc);
1286 }
1287 
1288 static void gd_accel_show_menubar(void *opaque)
1289 {
1290     GtkDisplayState *s = opaque;
1291     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1292 }
1293 
1294 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1295 {
1296     GtkDisplayState *s = opaque;
1297     VirtualConsole *vc = gd_vc_find_current(s);
1298 
1299     if (!s->full_screen) {
1300         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1301         gtk_widget_hide(s->menu_bar);
1302         if (vc->type == GD_VC_GFX) {
1303             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1304         }
1305         gtk_window_fullscreen(GTK_WINDOW(s->window));
1306         s->full_screen = TRUE;
1307     } else {
1308         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1309         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1310         if (gtk_check_menu_item_get_active(
1311                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1312             gtk_widget_show(s->menu_bar);
1313         }
1314         s->full_screen = FALSE;
1315         if (vc->type == GD_VC_GFX) {
1316             vc->gfx.scale_x = 1.0;
1317             vc->gfx.scale_y = 1.0;
1318             gd_update_windowsize(vc);
1319         }
1320     }
1321 
1322     gd_update_cursor(vc);
1323 }
1324 
1325 static void gd_accel_full_screen(void *opaque)
1326 {
1327     GtkDisplayState *s = opaque;
1328     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1329 }
1330 
1331 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1332 {
1333     GtkDisplayState *s = opaque;
1334     VirtualConsole *vc = gd_vc_find_current(s);
1335 
1336     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1337                                    FALSE);
1338 
1339     vc->gfx.scale_x += VC_SCALE_STEP;
1340     vc->gfx.scale_y += VC_SCALE_STEP;
1341 
1342     gd_update_windowsize(vc);
1343 }
1344 
1345 static void gd_accel_zoom_in(void *opaque)
1346 {
1347     GtkDisplayState *s = opaque;
1348     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1349 }
1350 
1351 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1352 {
1353     GtkDisplayState *s = opaque;
1354     VirtualConsole *vc = gd_vc_find_current(s);
1355 
1356     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1357                                    FALSE);
1358 
1359     vc->gfx.scale_x -= VC_SCALE_STEP;
1360     vc->gfx.scale_y -= VC_SCALE_STEP;
1361 
1362     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1363     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1364 
1365     gd_update_windowsize(vc);
1366 }
1367 
1368 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1369 {
1370     GtkDisplayState *s = opaque;
1371     VirtualConsole *vc = gd_vc_find_current(s);
1372 
1373     vc->gfx.scale_x = 1.0;
1374     vc->gfx.scale_y = 1.0;
1375 
1376     gd_update_windowsize(vc);
1377 }
1378 
1379 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1380 {
1381     GtkDisplayState *s = opaque;
1382     VirtualConsole *vc = gd_vc_find_current(s);
1383 
1384     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1385         s->free_scale = TRUE;
1386     } else {
1387         s->free_scale = FALSE;
1388         vc->gfx.scale_x = 1.0;
1389         vc->gfx.scale_y = 1.0;
1390     }
1391 
1392     gd_update_windowsize(vc);
1393     gd_update_full_redraw(vc);
1394 }
1395 
1396 #if GTK_CHECK_VERSION(3, 20, 0)
1397 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1398 {
1399     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1400     GdkSeat *seat = gdk_display_get_default_seat(display);
1401     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1402     GdkSeatCapabilities caps = 0;
1403     GdkCursor *cursor = NULL;
1404 
1405     if (kbd) {
1406         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1407     }
1408     if (ptr) {
1409         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1410         cursor = vc->s->null_cursor;
1411     }
1412 
1413     if (caps) {
1414         gdk_seat_grab(seat, window, caps, false, cursor,
1415                       NULL, NULL, NULL);
1416     } else {
1417         gdk_seat_ungrab(seat);
1418     }
1419 }
1420 #else
1421 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1422                             GdkInputSource source, GdkEventMask mask,
1423                             GdkCursor *cursor)
1424 {
1425     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1426     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1427     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1428     GList *tmp = devs;
1429 
1430     for (tmp = devs; tmp; tmp = tmp->next) {
1431         GdkDevice *dev = tmp->data;
1432         if (gdk_device_get_source(dev) != source) {
1433             continue;
1434         }
1435         if (grab) {
1436             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1437             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1438                             mask, cursor, GDK_CURRENT_TIME);
1439         } else {
1440             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1441         }
1442     }
1443     g_list_free(devs);
1444 }
1445 #endif
1446 
1447 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1448 {
1449     if (vc->s->kbd_owner) {
1450         if (vc->s->kbd_owner == vc) {
1451             return;
1452         } else {
1453             gd_ungrab_keyboard(vc->s);
1454         }
1455     }
1456 
1457 #if GTK_CHECK_VERSION(3, 20, 0)
1458     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1459 #else
1460     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1461                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1462                    NULL);
1463 #endif
1464     vc->s->kbd_owner = vc;
1465     gd_update_caption(vc->s);
1466     trace_gd_grab(vc->label, "kbd", reason);
1467 }
1468 
1469 static void gd_ungrab_keyboard(GtkDisplayState *s)
1470 {
1471     VirtualConsole *vc = s->kbd_owner;
1472 
1473     if (vc == NULL) {
1474         return;
1475     }
1476     s->kbd_owner = NULL;
1477 
1478 #if GTK_CHECK_VERSION(3, 20, 0)
1479     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1480 #else
1481     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1482 #endif
1483     gd_update_caption(s);
1484     trace_gd_ungrab(vc->label, "kbd");
1485 }
1486 
1487 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1488 {
1489     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1490 
1491     if (vc->s->ptr_owner) {
1492         if (vc->s->ptr_owner == vc) {
1493             return;
1494         } else {
1495             gd_ungrab_pointer(vc->s);
1496         }
1497     }
1498 
1499 #if GTK_CHECK_VERSION(3, 20, 0)
1500     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1501     gdk_device_get_position(gd_get_pointer(display),
1502                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1503 #else
1504     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1505                     GDK_POINTER_MOTION_MASK |
1506                     GDK_BUTTON_PRESS_MASK |
1507                     GDK_BUTTON_RELEASE_MASK |
1508                     GDK_BUTTON_MOTION_MASK |
1509                     GDK_SCROLL_MASK,
1510                     vc->s->null_cursor);
1511     gdk_device_get_position(gd_get_pointer(display),
1512                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1513 #endif
1514     vc->s->ptr_owner = vc;
1515     gd_update_caption(vc->s);
1516     trace_gd_grab(vc->label, "ptr", reason);
1517 }
1518 
1519 static void gd_ungrab_pointer(GtkDisplayState *s)
1520 {
1521     VirtualConsole *vc = s->ptr_owner;
1522     GdkDisplay *display;
1523 
1524     if (vc == NULL) {
1525         return;
1526     }
1527     s->ptr_owner = NULL;
1528 
1529     display = gtk_widget_get_display(vc->gfx.drawing_area);
1530 #if GTK_CHECK_VERSION(3, 20, 0)
1531     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1532     gdk_device_warp(gd_get_pointer(display),
1533                     gtk_widget_get_screen(vc->gfx.drawing_area),
1534                     vc->s->grab_x_root, vc->s->grab_y_root);
1535 #else
1536     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1537     gdk_device_warp(gd_get_pointer(display),
1538                     gtk_widget_get_screen(vc->gfx.drawing_area),
1539                     vc->s->grab_x_root, vc->s->grab_y_root);
1540 #endif
1541     gd_update_caption(s);
1542     trace_gd_ungrab(vc->label, "ptr");
1543 }
1544 
1545 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1546 {
1547     GtkDisplayState *s = opaque;
1548     VirtualConsole *vc = gd_vc_find_current(s);
1549 
1550     if (gd_is_grab_active(s)) {
1551         gd_grab_keyboard(vc, "user-request-main-window");
1552         gd_grab_pointer(vc, "user-request-main-window");
1553     } else {
1554         gd_ungrab_keyboard(s);
1555         gd_ungrab_pointer(s);
1556     }
1557 
1558     gd_update_cursor(vc);
1559 }
1560 
1561 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1562                            gpointer data)
1563 {
1564     GtkDisplayState *s = data;
1565     VirtualConsole *vc;
1566     gboolean on_vga;
1567 
1568     if (!gtk_widget_get_realized(s->notebook)) {
1569         return;
1570     }
1571 
1572     vc = gd_vc_find_by_page(s, arg2);
1573     if (!vc) {
1574         return;
1575     }
1576     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1577                                    TRUE);
1578     on_vga = (vc->type == GD_VC_GFX &&
1579               qemu_console_is_graphic(vc->gfx.dcl.con));
1580     if (!on_vga) {
1581         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1582                                        FALSE);
1583     } else if (s->full_screen) {
1584         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1585                                        TRUE);
1586     }
1587     gtk_widget_set_sensitive(s->grab_item, on_vga);
1588 #ifdef CONFIG_VTE
1589     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1590 #endif
1591 
1592     gd_update_windowsize(vc);
1593     gd_update_cursor(vc);
1594 }
1595 
1596 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1597                                gpointer opaque)
1598 {
1599     VirtualConsole *vc = opaque;
1600     GtkDisplayState *s = vc->s;
1601 
1602     if (gd_grab_on_hover(s)) {
1603         gd_grab_keyboard(vc, "grab-on-hover");
1604     }
1605     return TRUE;
1606 }
1607 
1608 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1609                                gpointer opaque)
1610 {
1611     VirtualConsole *vc = opaque;
1612     GtkDisplayState *s = vc->s;
1613 
1614     if (gd_grab_on_hover(s)) {
1615         gd_ungrab_keyboard(s);
1616     }
1617     return TRUE;
1618 }
1619 
1620 static gboolean gd_focus_out_event(GtkWidget *widget,
1621                                    GdkEventCrossing *crossing, gpointer opaque)
1622 {
1623     VirtualConsole *vc = opaque;
1624     GtkDisplayState *s = vc->s;
1625 
1626     gtk_release_modifiers(s);
1627     return TRUE;
1628 }
1629 
1630 static gboolean gd_configure(GtkWidget *widget,
1631                              GdkEventConfigure *cfg, gpointer opaque)
1632 {
1633     VirtualConsole *vc = opaque;
1634 
1635     gd_set_ui_info(vc, cfg->width, cfg->height);
1636     return FALSE;
1637 }
1638 
1639 /** Virtual Console Callbacks **/
1640 
1641 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1642                                int idx, GSList *group, GtkWidget *view_menu)
1643 {
1644     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1645     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1646             HOTKEY_MODIFIERS, 0,
1647             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1648     gtk_accel_label_set_accel(
1649             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1650             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1651 
1652     g_signal_connect(vc->menu_item, "activate",
1653                      G_CALLBACK(gd_menu_switch_vc), s);
1654     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1655 
1656     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1657     return group;
1658 }
1659 
1660 #if defined(CONFIG_VTE)
1661 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1662 {
1663     GtkDisplayState *s = opaque;
1664     VirtualConsole *vc = gd_vc_find_current(s);
1665 
1666 #if VTE_CHECK_VERSION(0, 50, 0)
1667     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1668                                        VTE_FORMAT_TEXT);
1669 #else
1670     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1671 #endif
1672 }
1673 
1674 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1675 {
1676     VirtualConsole *vc = opaque;
1677 
1678     if (gtk_adjustment_get_upper(adjustment) >
1679         gtk_adjustment_get_page_size(adjustment)) {
1680         gtk_widget_show(vc->vte.scrollbar);
1681     } else {
1682         gtk_widget_hide(vc->vte.scrollbar);
1683     }
1684 }
1685 
1686 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1687 {
1688     VCChardev *vcd = VC_CHARDEV(chr);
1689     VirtualConsole *vc = vcd->console;
1690 
1691     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1692     return len;
1693 }
1694 
1695 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1696 {
1697     VCChardev *vcd = VC_CHARDEV(chr);
1698     VirtualConsole *vc = vcd->console;
1699 
1700     if (vc) {
1701         vc->vte.echo = echo;
1702     } else {
1703         vcd->echo = echo;
1704     }
1705 }
1706 
1707 static int nb_vcs;
1708 static Chardev *vcs[MAX_VCS];
1709 static void gd_vc_open(Chardev *chr,
1710                        ChardevBackend *backend,
1711                        bool *be_opened,
1712                        Error **errp)
1713 {
1714     if (nb_vcs == MAX_VCS) {
1715         error_setg(errp, "Maximum number of consoles reached");
1716         return;
1717     }
1718 
1719     vcs[nb_vcs++] = chr;
1720 
1721     /* console/chardev init sometimes completes elsewhere in a 2nd
1722      * stage, so defer OPENED events until they are fully initialized
1723      */
1724     *be_opened = false;
1725 }
1726 
1727 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1728 {
1729     ChardevClass *cc = CHARDEV_CLASS(oc);
1730 
1731     cc->parse = qemu_chr_parse_vc;
1732     cc->open = gd_vc_open;
1733     cc->chr_write = gd_vc_chr_write;
1734     cc->chr_set_echo = gd_vc_chr_set_echo;
1735 }
1736 
1737 static const TypeInfo char_gd_vc_type_info = {
1738     .name = TYPE_CHARDEV_VC,
1739     .parent = TYPE_CHARDEV,
1740     .instance_size = sizeof(VCChardev),
1741     .class_init = char_gd_vc_class_init,
1742 };
1743 
1744 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1745                          gpointer user_data)
1746 {
1747     VirtualConsole *vc = user_data;
1748 
1749     if (vc->vte.echo) {
1750         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1751         int i;
1752         for (i = 0; i < size; i++) {
1753             uint8_t c = text[i];
1754             if (c >= 128 || isprint(c)) {
1755                 /* 8-bit characters are considered printable.  */
1756                 vte_terminal_feed(term, &text[i], 1);
1757             } else if (c == '\r' || c == '\n') {
1758                 vte_terminal_feed(term, "\r\n", 2);
1759             } else {
1760                 char ctrl[2] = { '^', 0};
1761                 ctrl[1] = text[i] ^ 64;
1762                 vte_terminal_feed(term, ctrl, 2);
1763             }
1764         }
1765     }
1766 
1767     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1768     return TRUE;
1769 }
1770 
1771 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1772                               Chardev *chr, int idx,
1773                               GSList *group, GtkWidget *view_menu)
1774 {
1775     char buffer[32];
1776     GtkWidget *box;
1777     GtkWidget *scrollbar;
1778     GtkAdjustment *vadjustment;
1779     VCChardev *vcd = VC_CHARDEV(chr);
1780 
1781     vc->s = s;
1782     vc->vte.echo = vcd->echo;
1783     vc->vte.chr = chr;
1784     vcd->console = vc;
1785 
1786     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1787     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1788                                 ? vc->vte.chr->label : buffer);
1789     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1790 
1791     vc->vte.terminal = vte_terminal_new();
1792     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1793 
1794     /* The documentation says that the default is UTF-8, but actually it is
1795      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1796      * VTE 0.54 (only UTF-8 is supported now). */
1797 #if !VTE_CHECK_VERSION(0, 54, 0)
1798 #if VTE_CHECK_VERSION(0, 38, 0)
1799     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1800 #else
1801     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1802 #endif
1803 #endif
1804 
1805     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1806     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1807                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1808 
1809 #if VTE_CHECK_VERSION(0, 28, 0)
1810     vadjustment = gtk_scrollable_get_vadjustment
1811         (GTK_SCROLLABLE(vc->vte.terminal));
1812 #else
1813     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1814 #endif
1815 
1816     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1817     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1818 
1819     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1820     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1821 
1822     vc->vte.box = box;
1823     vc->vte.scrollbar = scrollbar;
1824 
1825     g_signal_connect(vadjustment, "changed",
1826                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1827 
1828     vc->type = GD_VC_VTE;
1829     vc->tab_item = box;
1830     vc->focus = vc->vte.terminal;
1831     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1832                              gtk_label_new(vc->label));
1833 
1834     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1835 
1836     return group;
1837 }
1838 
1839 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1840                         GtkWidget *view_menu)
1841 {
1842     int i;
1843 
1844     for (i = 0; i < nb_vcs; i++) {
1845         VirtualConsole *vc = &s->vc[s->nb_vcs];
1846         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1847         s->nb_vcs++;
1848     }
1849 }
1850 #endif /* CONFIG_VTE */
1851 
1852 /** Window Creation **/
1853 
1854 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1855 {
1856     g_signal_connect(vc->gfx.drawing_area, "draw",
1857                      G_CALLBACK(gd_draw_event), vc);
1858 #if defined(CONFIG_GTK_GL)
1859     if (gtk_use_gl_area) {
1860         /* wire up GtkGlArea events */
1861         g_signal_connect(vc->gfx.drawing_area, "render",
1862                          G_CALLBACK(gd_render_event), vc);
1863         g_signal_connect(vc->gfx.drawing_area, "resize",
1864                          G_CALLBACK(gd_resize_event), vc);
1865     }
1866 #endif
1867     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1868         g_signal_connect(vc->gfx.drawing_area, "event",
1869                          G_CALLBACK(gd_event), vc);
1870         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1871                          G_CALLBACK(gd_button_event), vc);
1872         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1873                          G_CALLBACK(gd_button_event), vc);
1874         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1875                          G_CALLBACK(gd_scroll_event), vc);
1876         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1877                          G_CALLBACK(gd_key_event), vc);
1878         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1879                          G_CALLBACK(gd_key_event), vc);
1880 
1881         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1882                          G_CALLBACK(gd_enter_event), vc);
1883         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1884                          G_CALLBACK(gd_leave_event), vc);
1885         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1886                          G_CALLBACK(gd_focus_out_event), vc);
1887         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1888                          G_CALLBACK(gd_configure), vc);
1889     } else {
1890         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1891                          G_CALLBACK(gd_text_key_down), vc);
1892     }
1893 }
1894 
1895 static void gd_connect_signals(GtkDisplayState *s)
1896 {
1897     g_signal_connect(s->show_tabs_item, "activate",
1898                      G_CALLBACK(gd_menu_show_tabs), s);
1899     g_signal_connect(s->untabify_item, "activate",
1900                      G_CALLBACK(gd_menu_untabify), s);
1901     g_signal_connect(s->show_menubar_item, "activate",
1902                      G_CALLBACK(gd_menu_show_menubar), s);
1903 
1904     g_signal_connect(s->window, "delete-event",
1905                      G_CALLBACK(gd_window_close), s);
1906 
1907     g_signal_connect(s->pause_item, "activate",
1908                      G_CALLBACK(gd_menu_pause), s);
1909     g_signal_connect(s->reset_item, "activate",
1910                      G_CALLBACK(gd_menu_reset), s);
1911     g_signal_connect(s->powerdown_item, "activate",
1912                      G_CALLBACK(gd_menu_powerdown), s);
1913     g_signal_connect(s->quit_item, "activate",
1914                      G_CALLBACK(gd_menu_quit), s);
1915 #if defined(CONFIG_VTE)
1916     g_signal_connect(s->copy_item, "activate",
1917                      G_CALLBACK(gd_menu_copy), s);
1918 #endif
1919     g_signal_connect(s->full_screen_item, "activate",
1920                      G_CALLBACK(gd_menu_full_screen), s);
1921     g_signal_connect(s->zoom_in_item, "activate",
1922                      G_CALLBACK(gd_menu_zoom_in), s);
1923     g_signal_connect(s->zoom_out_item, "activate",
1924                      G_CALLBACK(gd_menu_zoom_out), s);
1925     g_signal_connect(s->zoom_fixed_item, "activate",
1926                      G_CALLBACK(gd_menu_zoom_fixed), s);
1927     g_signal_connect(s->zoom_fit_item, "activate",
1928                      G_CALLBACK(gd_menu_zoom_fit), s);
1929     g_signal_connect(s->grab_item, "activate",
1930                      G_CALLBACK(gd_menu_grab_input), s);
1931     g_signal_connect(s->notebook, "switch-page",
1932                      G_CALLBACK(gd_change_page), s);
1933 }
1934 
1935 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1936 {
1937     GtkWidget *machine_menu;
1938     GtkWidget *separator;
1939 
1940     machine_menu = gtk_menu_new();
1941     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1942 
1943     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1944     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1945 
1946     separator = gtk_separator_menu_item_new();
1947     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1948 
1949     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1950     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1951 
1952     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1953     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1954 
1955     separator = gtk_separator_menu_item_new();
1956     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1957 
1958     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1959     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1960                                  "<QEMU>/Machine/Quit");
1961     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1962                             GDK_KEY_q, HOTKEY_MODIFIERS);
1963     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1964 
1965     return machine_menu;
1966 }
1967 
1968 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1969                               QemuConsole *con, int idx,
1970                               GSList *group, GtkWidget *view_menu)
1971 {
1972     bool zoom_to_fit = false;
1973 
1974     vc->label = qemu_console_get_label(con);
1975     vc->s = s;
1976     vc->gfx.scale_x = 1.0;
1977     vc->gfx.scale_y = 1.0;
1978 
1979 #if defined(CONFIG_OPENGL)
1980     if (display_opengl) {
1981 #if defined(CONFIG_GTK_GL)
1982         if (gtk_use_gl_area) {
1983             vc->gfx.drawing_area = gtk_gl_area_new();
1984             vc->gfx.dcl.ops = &dcl_gl_area_ops;
1985         } else
1986 #endif /* CONFIG_GTK_GL */
1987         {
1988             vc->gfx.drawing_area = gtk_drawing_area_new();
1989             /*
1990              * gtk_widget_set_double_buffered() was deprecated in 3.14.
1991              * It is required for opengl rendering on X11 though.  A
1992              * proper replacement (native opengl support) is only
1993              * available in 3.16+.  Silence the warning if possible.
1994              */
1995 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1996 #pragma GCC diagnostic push
1997 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1998 #endif
1999             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2000 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2001 #pragma GCC diagnostic pop
2002 #endif
2003             vc->gfx.dcl.ops = &dcl_egl_ops;
2004         }
2005     } else
2006 #endif
2007     {
2008         vc->gfx.drawing_area = gtk_drawing_area_new();
2009         vc->gfx.dcl.ops = &dcl_ops;
2010     }
2011 
2012 
2013     gtk_widget_add_events(vc->gfx.drawing_area,
2014                           GDK_POINTER_MOTION_MASK |
2015                           GDK_BUTTON_PRESS_MASK |
2016                           GDK_BUTTON_RELEASE_MASK |
2017                           GDK_BUTTON_MOTION_MASK |
2018                           GDK_ENTER_NOTIFY_MASK |
2019                           GDK_LEAVE_NOTIFY_MASK |
2020                           GDK_SCROLL_MASK |
2021                           GDK_SMOOTH_SCROLL_MASK |
2022                           GDK_KEY_PRESS_MASK);
2023     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2024 
2025     vc->type = GD_VC_GFX;
2026     vc->tab_item = vc->gfx.drawing_area;
2027     vc->focus = vc->gfx.drawing_area;
2028     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2029                              vc->tab_item, gtk_label_new(vc->label));
2030 
2031     vc->gfx.kbd = qkbd_state_init(con);
2032     vc->gfx.dcl.con = con;
2033     register_displaychangelistener(&vc->gfx.dcl);
2034 
2035     gd_connect_vc_gfx_signals(vc);
2036     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2037 
2038     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2039         zoom_to_fit = true;
2040     }
2041     if (s->opts->u.gtk.has_zoom_to_fit) {
2042         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2043     }
2044     if (zoom_to_fit) {
2045         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2046         s->free_scale = true;
2047     }
2048 
2049     return group;
2050 }
2051 
2052 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2053 {
2054     GSList *group = NULL;
2055     GtkWidget *view_menu;
2056     GtkWidget *separator;
2057     QemuConsole *con;
2058     int vc;
2059 
2060     view_menu = gtk_menu_new();
2061     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2062 
2063     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2064 
2065 #if defined(CONFIG_VTE)
2066     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2067     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2068 #endif
2069 
2070     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2071             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2072     gtk_accel_label_set_accel(
2073             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2074             GDK_KEY_f, HOTKEY_MODIFIERS);
2075     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2076 
2077     separator = gtk_separator_menu_item_new();
2078     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2079 
2080     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2081     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2082                                  "<QEMU>/View/Zoom In");
2083     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2084                             HOTKEY_MODIFIERS);
2085     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2086             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2087     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2088 
2089     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2090     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2091                                  "<QEMU>/View/Zoom Out");
2092     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2093                             HOTKEY_MODIFIERS);
2094     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2095 
2096     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2097     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2098                                  "<QEMU>/View/Zoom Fixed");
2099     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2100                             HOTKEY_MODIFIERS);
2101     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2102 
2103     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2104     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2105 
2106     separator = gtk_separator_menu_item_new();
2107     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2108 
2109     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2110     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2111 
2112     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2113     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2114                                  "<QEMU>/View/Grab Input");
2115     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2116                             HOTKEY_MODIFIERS);
2117     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2118 
2119     separator = gtk_separator_menu_item_new();
2120     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2121 
2122     /* gfx */
2123     for (vc = 0;; vc++) {
2124         con = qemu_console_lookup_by_index(vc);
2125         if (!con) {
2126             break;
2127         }
2128         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2129                                vc, group, view_menu);
2130         s->nb_vcs++;
2131     }
2132 
2133 #if defined(CONFIG_VTE)
2134     /* vte */
2135     gd_vcs_init(s, group, view_menu);
2136 #endif
2137 
2138     separator = gtk_separator_menu_item_new();
2139     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2140 
2141     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2142     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2143 
2144     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2145     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2146 
2147     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2148             _("Show Menubar"));
2149     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2150                                    TRUE);
2151     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2152             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2153     gtk_accel_label_set_accel(
2154             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2155             GDK_KEY_m, HOTKEY_MODIFIERS);
2156     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2157 
2158     return view_menu;
2159 }
2160 
2161 static void gd_create_menus(GtkDisplayState *s)
2162 {
2163     GtkSettings *settings;
2164 
2165     s->accel_group = gtk_accel_group_new();
2166     s->machine_menu = gd_create_menu_machine(s);
2167     s->view_menu = gd_create_menu_view(s);
2168 
2169     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2170     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2171                               s->machine_menu);
2172     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2173 
2174     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2175     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2176     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2177 
2178     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2179     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2180 
2181     /* Disable the default "F10" menu shortcut. */
2182     settings = gtk_widget_get_settings(s->window);
2183     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2184 }
2185 
2186 
2187 static gboolean gtkinit;
2188 
2189 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2190 {
2191     VirtualConsole *vc;
2192 
2193     GtkDisplayState *s = g_malloc0(sizeof(*s));
2194     GdkDisplay *window_display;
2195     GtkIconTheme *theme;
2196 
2197     if (!gtkinit) {
2198         fprintf(stderr, "gtk initialization failed\n");
2199         exit(1);
2200     }
2201     assert(opts->type == DISPLAY_TYPE_GTK);
2202     s->opts = opts;
2203 
2204     theme = gtk_icon_theme_get_default();
2205     gtk_icon_theme_prepend_search_path(theme, CONFIG_QEMU_ICONDIR);
2206     g_set_prgname("qemu");
2207 
2208     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2209     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2210     s->notebook = gtk_notebook_new();
2211     s->menu_bar = gtk_menu_bar_new();
2212 
2213     s->free_scale = FALSE;
2214 
2215     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2216      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2217      * printable, but without changing any of the character classes to make
2218      * sure that we don't accidentally break implicit assumptions.  */
2219     setlocale(LC_MESSAGES, "");
2220     setlocale(LC_CTYPE, "C.UTF-8");
2221     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2222     textdomain("qemu");
2223 
2224     window_display = gtk_widget_get_display(s->window);
2225     s->null_cursor = gdk_cursor_new_for_display(window_display,
2226                                                 GDK_BLANK_CURSOR);
2227 
2228     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2229     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2230     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2231 
2232     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2233 
2234     gd_create_menus(s);
2235 
2236     gd_connect_signals(s);
2237 
2238     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2239     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2240 
2241     gd_update_caption(s);
2242 
2243     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2244     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2245 
2246     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2247 
2248     gtk_widget_show_all(s->window);
2249 
2250     vc = gd_vc_find_current(s);
2251     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2252 #ifdef CONFIG_VTE
2253     gtk_widget_set_sensitive(s->copy_item,
2254                              vc && vc->type == GD_VC_VTE);
2255 #endif
2256 
2257     if (opts->has_full_screen &&
2258         opts->full_screen) {
2259         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2260     }
2261     if (opts->u.gtk.has_grab_on_hover &&
2262         opts->u.gtk.grab_on_hover) {
2263         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2264     }
2265 }
2266 
2267 static void early_gtk_display_init(DisplayOptions *opts)
2268 {
2269     /* The QEMU code relies on the assumption that it's always run in
2270      * the C locale. Therefore it is not prepared to deal with
2271      * operations that produce different results depending on the
2272      * locale, such as printf's formatting of decimal numbers, and
2273      * possibly others.
2274      *
2275      * Since GTK+ calls setlocale() by default -importing the locale
2276      * settings from the environment- we must prevent it from doing so
2277      * using gtk_disable_setlocale().
2278      *
2279      * QEMU's GTK+ UI, however, _does_ have translations for some of
2280      * the menu items. As a trade-off between a functionally correct
2281      * QEMU and a fully internationalized UI we support importing
2282      * LC_MESSAGES from the environment (see the setlocale() call
2283      * earlier in this file). This allows us to display translated
2284      * messages leaving everything else untouched.
2285      */
2286     gtk_disable_setlocale();
2287     gtkinit = gtk_init_check(NULL, NULL);
2288     if (!gtkinit) {
2289         /* don't exit yet, that'll break -help */
2290         return;
2291     }
2292 
2293     assert(opts->type == DISPLAY_TYPE_GTK);
2294     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2295 #if defined(CONFIG_OPENGL)
2296 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2297         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2298             gtk_use_gl_area = true;
2299             gtk_gl_area_init();
2300         } else
2301 #endif
2302         {
2303             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2304             gtk_egl_init(mode);
2305         }
2306 #endif
2307     }
2308 
2309     keycode_map = gd_get_keymap(&keycode_maplen);
2310 
2311 #if defined(CONFIG_VTE)
2312     type_register(&char_gd_vc_type_info);
2313 #endif
2314 }
2315 
2316 static QemuDisplay qemu_display_gtk = {
2317     .type       = DISPLAY_TYPE_GTK,
2318     .early_init = early_gtk_display_init,
2319     .init       = gtk_display_init,
2320 };
2321 
2322 static void register_gtk(void)
2323 {
2324     qemu_display_register(&qemu_display_gtk);
2325 }
2326 
2327 type_init(register_gtk);
2328