xref: /openbmc/qemu/ui/gtk.c (revision 37677d7d)
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-misc.h"
36 #include "qemu/cutils.h"
37 
38 #include "ui/console.h"
39 #include "ui/gtk.h"
40 
41 #include <glib/gi18n.h>
42 #include <locale.h>
43 #if defined(CONFIG_VTE)
44 #include <vte/vte.h>
45 #endif
46 #include <math.h>
47 
48 #include "trace.h"
49 #include "ui/input.h"
50 #include "sysemu/sysemu.h"
51 #include "keymaps.h"
52 #include "chardev/char.h"
53 #include "qom/object.h"
54 
55 #define MAX_VCS 10
56 #define VC_WINDOW_X_MIN  320
57 #define VC_WINDOW_Y_MIN  240
58 #define VC_TERM_X_MIN     80
59 #define VC_TERM_Y_MIN     25
60 #define VC_SCALE_MIN    0.25
61 #define VC_SCALE_STEP   0.25
62 
63 #ifdef GDK_WINDOWING_X11
64 #include "x_keymap.h"
65 
66 /* Gtk2 compat */
67 #ifndef GDK_IS_X11_DISPLAY
68 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
69 #endif
70 #endif
71 
72 
73 #ifdef GDK_WINDOWING_WAYLAND
74 /* Gtk2 compat */
75 #ifndef GDK_IS_WAYLAND_DISPLAY
76 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
77 #endif
78 #endif
79 
80 
81 #ifdef GDK_WINDOWING_WIN32
82 /* Gtk2 compat */
83 #ifndef GDK_IS_WIN32_DISPLAY
84 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
85 #endif
86 #endif
87 
88 
89 #ifdef GDK_WINDOWING_BROADWAY
90 /* Gtk2 compat */
91 #ifndef GDK_IS_BROADWAY_DISPLAY
92 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
93 #endif
94 #endif
95 
96 
97 #ifdef GDK_WINDOWING_QUARTZ
98 /* Gtk2 compat */
99 #ifndef GDK_IS_QUARTZ_DISPLAY
100 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
101 #endif
102 #endif
103 
104 
105 #if !defined(CONFIG_VTE)
106 # define VTE_CHECK_VERSION(a, b, c) 0
107 #endif
108 
109 /* Some older mingw versions lack this constant or have
110  * it conditionally defined */
111 #ifdef _WIN32
112 # ifndef MAPVK_VK_TO_VSC
113 #  define MAPVK_VK_TO_VSC 0
114 # endif
115 #endif
116 
117 
118 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
119 
120 static const guint16 *keycode_map;
121 static size_t keycode_maplen;
122 
123 struct GtkDisplayState {
124     GtkWidget *window;
125 
126     GtkWidget *menu_bar;
127 
128     GtkAccelGroup *accel_group;
129 
130     GtkWidget *machine_menu_item;
131     GtkWidget *machine_menu;
132     GtkWidget *pause_item;
133     GtkWidget *reset_item;
134     GtkWidget *powerdown_item;
135     GtkWidget *quit_item;
136 
137     GtkWidget *view_menu_item;
138     GtkWidget *view_menu;
139     GtkWidget *full_screen_item;
140     GtkWidget *copy_item;
141     GtkWidget *zoom_in_item;
142     GtkWidget *zoom_out_item;
143     GtkWidget *zoom_fixed_item;
144     GtkWidget *zoom_fit_item;
145     GtkWidget *grab_item;
146     GtkWidget *grab_on_hover_item;
147 
148     int nb_vcs;
149     VirtualConsole vc[MAX_VCS];
150 
151     GtkWidget *show_tabs_item;
152     GtkWidget *untabify_item;
153     GtkWidget *show_menubar_item;
154 
155     GtkWidget *vbox;
156     GtkWidget *notebook;
157     int button_mask;
158     gboolean last_set;
159     int last_x;
160     int last_y;
161     int grab_x_root;
162     int grab_y_root;
163     VirtualConsole *kbd_owner;
164     VirtualConsole *ptr_owner;
165 
166     gboolean full_screen;
167 
168     GdkCursor *null_cursor;
169     Notifier mouse_mode_notifier;
170     gboolean free_scale;
171 
172     bool external_pause_update;
173 
174     bool ignore_keys;
175 
176     DisplayOptions *opts;
177 };
178 
179 typedef struct VCChardev {
180     Chardev parent;
181     VirtualConsole *console;
182     bool echo;
183 } VCChardev;
184 
185 #define TYPE_CHARDEV_VC "chardev-vc"
186 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
187 
188 bool gtk_use_gl_area;
189 
190 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
191 static void gd_ungrab_pointer(GtkDisplayState *s);
192 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
193 static void gd_ungrab_keyboard(GtkDisplayState *s);
194 
195 /** Utility Functions **/
196 
197 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
198 {
199     VirtualConsole *vc;
200     gint i;
201 
202     for (i = 0; i < s->nb_vcs; i++) {
203         vc = &s->vc[i];
204         if (gtk_check_menu_item_get_active
205             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
206             return vc;
207         }
208     }
209     return NULL;
210 }
211 
212 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
213 {
214     VirtualConsole *vc;
215     gint i, p;
216 
217     for (i = 0; i < s->nb_vcs; i++) {
218         vc = &s->vc[i];
219         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
220         if (p == page) {
221             return vc;
222         }
223     }
224     return NULL;
225 }
226 
227 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
228 {
229     gint page;
230 
231     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
232     return gd_vc_find_by_page(s, page);
233 }
234 
235 static bool gd_is_grab_active(GtkDisplayState *s)
236 {
237     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
238 }
239 
240 static bool gd_grab_on_hover(GtkDisplayState *s)
241 {
242     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
243 }
244 
245 static void gd_update_cursor(VirtualConsole *vc)
246 {
247     GtkDisplayState *s = vc->s;
248     GdkWindow *window;
249 
250     if (vc->type != GD_VC_GFX ||
251         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
252         return;
253     }
254 
255     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
256         return;
257     }
258 
259     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
260     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
261         gdk_window_set_cursor(window, s->null_cursor);
262     } else {
263         gdk_window_set_cursor(window, NULL);
264     }
265 }
266 
267 static void gd_update_caption(GtkDisplayState *s)
268 {
269     const char *status = "";
270     gchar *prefix;
271     gchar *title;
272     const char *grab = "";
273     bool is_paused = !runstate_is_running();
274     int i;
275 
276     if (qemu_name) {
277         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
278     } else {
279         prefix = g_strdup_printf("QEMU");
280     }
281 
282     if (s->ptr_owner != NULL &&
283         s->ptr_owner->window == NULL) {
284         grab = _(" - Press Ctrl+Alt+G to release grab");
285     }
286 
287     if (is_paused) {
288         status = _(" [Paused]");
289     }
290     s->external_pause_update = true;
291     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
292                                    is_paused);
293     s->external_pause_update = false;
294 
295     title = g_strdup_printf("%s%s%s", prefix, status, grab);
296     gtk_window_set_title(GTK_WINDOW(s->window), title);
297     g_free(title);
298 
299     for (i = 0; i < s->nb_vcs; i++) {
300         VirtualConsole *vc = &s->vc[i];
301 
302         if (!vc->window) {
303             continue;
304         }
305         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
306                                 vc == s->kbd_owner ? " +kbd" : "",
307                                 vc == s->ptr_owner ? " +ptr" : "");
308         gtk_window_set_title(GTK_WINDOW(vc->window), title);
309         g_free(title);
310     }
311 
312     g_free(prefix);
313 }
314 
315 static void gd_update_geometry_hints(VirtualConsole *vc)
316 {
317     GtkDisplayState *s = vc->s;
318     GdkWindowHints mask = 0;
319     GdkGeometry geo = {};
320     GtkWidget *geo_widget = NULL;
321     GtkWindow *geo_window;
322 
323     if (vc->type == GD_VC_GFX) {
324         if (!vc->gfx.ds) {
325             return;
326         }
327         if (s->free_scale) {
328             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
329             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
330             mask |= GDK_HINT_MIN_SIZE;
331         } else {
332             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
333             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
334             mask |= GDK_HINT_MIN_SIZE;
335         }
336         geo_widget = vc->gfx.drawing_area;
337         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
338 
339 #if defined(CONFIG_VTE)
340     } else if (vc->type == GD_VC_VTE) {
341         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
342         GtkBorder padding = { 0 };
343 
344 #if VTE_CHECK_VERSION(0, 37, 0)
345         gtk_style_context_get_padding(
346                 gtk_widget_get_style_context(vc->vte.terminal),
347                 gtk_widget_get_state_flags(vc->vte.terminal),
348                 &padding);
349 #else
350         {
351             GtkBorder *ib = NULL;
352             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
353             if (ib) {
354                 padding = *ib;
355                 gtk_border_free(ib);
356             }
357         }
358 #endif
359 
360         geo.width_inc  = vte_terminal_get_char_width(term);
361         geo.height_inc = vte_terminal_get_char_height(term);
362         mask |= GDK_HINT_RESIZE_INC;
363         geo.base_width  = geo.width_inc;
364         geo.base_height = geo.height_inc;
365         mask |= GDK_HINT_BASE_SIZE;
366         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
367         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
368         mask |= GDK_HINT_MIN_SIZE;
369 
370         geo.base_width  += padding.left + padding.right;
371         geo.base_height += padding.top + padding.bottom;
372         geo.min_width   += padding.left + padding.right;
373         geo.min_height  += padding.top + padding.bottom;
374         geo_widget = vc->vte.terminal;
375 #endif
376     }
377 
378     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
379     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
380 }
381 
382 void gd_update_windowsize(VirtualConsole *vc)
383 {
384     GtkDisplayState *s = vc->s;
385 
386     gd_update_geometry_hints(vc);
387 
388     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
389         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
390                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
391     }
392 }
393 
394 static void gd_update_full_redraw(VirtualConsole *vc)
395 {
396     GtkWidget *area = vc->gfx.drawing_area;
397     int ww, wh;
398     ww = gdk_window_get_width(gtk_widget_get_window(area));
399     wh = gdk_window_get_height(gtk_widget_get_window(area));
400 #if defined(CONFIG_GTK_GL)
401     if (vc->gfx.gls && gtk_use_gl_area) {
402         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
403         return;
404     }
405 #endif
406     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
407 }
408 
409 static void gtk_release_modifiers(GtkDisplayState *s)
410 {
411     VirtualConsole *vc = gd_vc_find_current(s);
412 
413     if (vc->type != GD_VC_GFX ||
414         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
415         return;
416     }
417     qkbd_state_lift_all_keys(vc->gfx.kbd);
418 }
419 
420 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
421                                GtkWidget *widget)
422 {
423     g_object_ref(G_OBJECT(widget));
424     gtk_container_remove(GTK_CONTAINER(from), widget);
425     gtk_container_add(GTK_CONTAINER(to), widget);
426     g_object_unref(G_OBJECT(widget));
427 }
428 
429 /** DisplayState Callbacks **/
430 
431 static void gd_update(DisplayChangeListener *dcl,
432                       int x, int y, int w, int h)
433 {
434     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
435     GdkWindow *win;
436     int x1, x2, y1, y2;
437     int mx, my;
438     int fbw, fbh;
439     int ww, wh;
440 
441     trace_gd_update(vc->label, x, y, w, h);
442 
443     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
444         return;
445     }
446 
447     if (vc->gfx.convert) {
448         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
449                                NULL, vc->gfx.convert,
450                                x, y, 0, 0, x, y, w, h);
451     }
452 
453     x1 = floor(x * vc->gfx.scale_x);
454     y1 = floor(y * vc->gfx.scale_y);
455 
456     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
457     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
458 
459     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
460     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
461 
462     win = gtk_widget_get_window(vc->gfx.drawing_area);
463     if (!win) {
464         return;
465     }
466     ww = gdk_window_get_width(win);
467     wh = gdk_window_get_height(win);
468 
469     mx = my = 0;
470     if (ww > fbw) {
471         mx = (ww - fbw) / 2;
472     }
473     if (wh > fbh) {
474         my = (wh - fbh) / 2;
475     }
476 
477     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
478                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
479 }
480 
481 static void gd_refresh(DisplayChangeListener *dcl)
482 {
483     graphic_hw_update(dcl->con);
484 }
485 
486 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
487 {
488 #if GTK_CHECK_VERSION(3, 20, 0)
489     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
490 #else
491     return gdk_device_manager_get_client_pointer(
492         gdk_display_get_device_manager(dpy));
493 #endif
494 }
495 
496 static void gd_mouse_set(DisplayChangeListener *dcl,
497                          int x, int y, int visible)
498 {
499     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
500     GdkDisplay *dpy;
501     gint x_root, y_root;
502 
503     if (qemu_input_is_absolute()) {
504         return;
505     }
506 
507     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
508     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
509                                x, y, &x_root, &y_root);
510     gdk_device_warp(gd_get_pointer(dpy),
511                     gtk_widget_get_screen(vc->gfx.drawing_area),
512                     x_root, y_root);
513     vc->s->last_x = x;
514     vc->s->last_y = y;
515 }
516 
517 static void gd_cursor_define(DisplayChangeListener *dcl,
518                              QEMUCursor *c)
519 {
520     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
521     GdkPixbuf *pixbuf;
522     GdkCursor *cursor;
523 
524     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
525         return;
526     }
527 
528     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
529                                       GDK_COLORSPACE_RGB, true, 8,
530                                       c->width, c->height, c->width * 4,
531                                       NULL, NULL);
532     cursor = gdk_cursor_new_from_pixbuf
533         (gtk_widget_get_display(vc->gfx.drawing_area),
534          pixbuf, c->hot_x, c->hot_y);
535     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
536     g_object_unref(pixbuf);
537     g_object_unref(cursor);
538 }
539 
540 static void gd_switch(DisplayChangeListener *dcl,
541                       DisplaySurface *surface)
542 {
543     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
544     bool resized = true;
545 
546     trace_gd_switch(vc->label,
547                     surface ? surface_width(surface)  : 0,
548                     surface ? surface_height(surface) : 0);
549 
550     if (vc->gfx.surface) {
551         cairo_surface_destroy(vc->gfx.surface);
552         vc->gfx.surface = NULL;
553     }
554     if (vc->gfx.convert) {
555         pixman_image_unref(vc->gfx.convert);
556         vc->gfx.convert = NULL;
557     }
558 
559     if (vc->gfx.ds && surface &&
560         surface_width(vc->gfx.ds) == surface_width(surface) &&
561         surface_height(vc->gfx.ds) == surface_height(surface)) {
562         resized = false;
563     }
564     vc->gfx.ds = surface;
565 
566     if (!surface) {
567         return;
568     }
569 
570     if (surface->format == PIXMAN_x8r8g8b8) {
571         /*
572          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
573          *
574          * No need to convert, use surface directly.  Should be the
575          * common case as this is qemu_default_pixelformat(32) too.
576          */
577         vc->gfx.surface = cairo_image_surface_create_for_data
578             (surface_data(surface),
579              CAIRO_FORMAT_RGB24,
580              surface_width(surface),
581              surface_height(surface),
582              surface_stride(surface));
583     } else {
584         /* Must convert surface, use pixman to do it. */
585         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
586                                                    surface_width(surface),
587                                                    surface_height(surface),
588                                                    NULL, 0);
589         vc->gfx.surface = cairo_image_surface_create_for_data
590             ((void *)pixman_image_get_data(vc->gfx.convert),
591              CAIRO_FORMAT_RGB24,
592              pixman_image_get_width(vc->gfx.convert),
593              pixman_image_get_height(vc->gfx.convert),
594              pixman_image_get_stride(vc->gfx.convert));
595         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
596                                NULL, vc->gfx.convert,
597                                0, 0, 0, 0, 0, 0,
598                                pixman_image_get_width(vc->gfx.convert),
599                                pixman_image_get_height(vc->gfx.convert));
600     }
601 
602     if (resized) {
603         gd_update_windowsize(vc);
604     } else {
605         gd_update_full_redraw(vc);
606     }
607 }
608 
609 static const DisplayChangeListenerOps dcl_ops = {
610     .dpy_name             = "gtk",
611     .dpy_gfx_update       = gd_update,
612     .dpy_gfx_switch       = gd_switch,
613     .dpy_gfx_check_format = qemu_pixman_check_format,
614     .dpy_refresh          = gd_refresh,
615     .dpy_mouse_set        = gd_mouse_set,
616     .dpy_cursor_define    = gd_cursor_define,
617 };
618 
619 
620 #if defined(CONFIG_OPENGL)
621 
622 /** DisplayState Callbacks (opengl version) **/
623 
624 #if defined(CONFIG_GTK_GL)
625 
626 static const DisplayChangeListenerOps dcl_gl_area_ops = {
627     .dpy_name             = "gtk-egl",
628     .dpy_gfx_update       = gd_gl_area_update,
629     .dpy_gfx_switch       = gd_gl_area_switch,
630     .dpy_gfx_check_format = console_gl_check_format,
631     .dpy_refresh          = gd_gl_area_refresh,
632     .dpy_mouse_set        = gd_mouse_set,
633     .dpy_cursor_define    = gd_cursor_define,
634 
635     .dpy_gl_ctx_create       = gd_gl_area_create_context,
636     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
637     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
638     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
639     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
640     .dpy_gl_update           = gd_gl_area_scanout_flush,
641 };
642 
643 #endif /* CONFIG_GTK_GL */
644 
645 static const DisplayChangeListenerOps dcl_egl_ops = {
646     .dpy_name             = "gtk-egl",
647     .dpy_gfx_update       = gd_egl_update,
648     .dpy_gfx_switch       = gd_egl_switch,
649     .dpy_gfx_check_format = console_gl_check_format,
650     .dpy_refresh          = gd_egl_refresh,
651     .dpy_mouse_set        = gd_mouse_set,
652     .dpy_cursor_define    = gd_cursor_define,
653 
654     .dpy_gl_ctx_create       = gd_egl_create_context,
655     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
656     .dpy_gl_ctx_make_current = gd_egl_make_current,
657     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
658     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
659     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
660     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
661     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
662     .dpy_gl_cursor_position  = gd_egl_cursor_position,
663     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
664     .dpy_gl_update           = gd_egl_scanout_flush,
665 };
666 
667 #endif /* CONFIG_OPENGL */
668 
669 /** QEMU Events **/
670 
671 static void gd_change_runstate(void *opaque, int running, RunState state)
672 {
673     GtkDisplayState *s = opaque;
674 
675     gd_update_caption(s);
676 }
677 
678 static void gd_mouse_mode_change(Notifier *notify, void *data)
679 {
680     GtkDisplayState *s;
681     int i;
682 
683     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
684     /* release the grab at switching to absolute mode */
685     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
686         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
687                                        FALSE);
688     }
689     for (i = 0; i < s->nb_vcs; i++) {
690         VirtualConsole *vc = &s->vc[i];
691         gd_update_cursor(vc);
692     }
693 }
694 
695 /** GTK Events **/
696 
697 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
698                                 void *opaque)
699 {
700     GtkDisplayState *s = opaque;
701     bool allow_close = true;
702 
703     if (s->opts->has_window_close && !s->opts->window_close) {
704         allow_close = false;
705     }
706 
707     if (allow_close) {
708         qmp_quit(NULL);
709     }
710 
711     return TRUE;
712 }
713 
714 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
715 {
716     QemuUIInfo info;
717 
718     memset(&info, 0, sizeof(info));
719     info.width = width;
720     info.height = height;
721     dpy_set_ui_info(vc->gfx.dcl.con, &info);
722 }
723 
724 #if defined(CONFIG_GTK_GL)
725 
726 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
727                                 void *opaque)
728 {
729     VirtualConsole *vc = opaque;
730 
731     if (vc->gfx.gls) {
732         gd_gl_area_draw(vc);
733     }
734     return TRUE;
735 }
736 
737 static void gd_resize_event(GtkGLArea *area,
738                             gint width, gint height, gpointer *opaque)
739 {
740     VirtualConsole *vc = (void *)opaque;
741 
742     gd_set_ui_info(vc, width, height);
743 }
744 
745 #endif
746 
747 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
748 {
749     VirtualConsole *vc = opaque;
750     GtkDisplayState *s = vc->s;
751     int mx, my;
752     int ww, wh;
753     int fbw, fbh;
754 
755 #if defined(CONFIG_OPENGL)
756     if (vc->gfx.gls) {
757         if (gtk_use_gl_area) {
758             /* invoke render callback please */
759             return FALSE;
760         } else {
761             gd_egl_draw(vc);
762             return TRUE;
763         }
764     }
765 #endif
766 
767     if (!gtk_widget_get_realized(widget)) {
768         return FALSE;
769     }
770     if (!vc->gfx.ds) {
771         return FALSE;
772     }
773 
774     fbw = surface_width(vc->gfx.ds);
775     fbh = surface_height(vc->gfx.ds);
776 
777     ww = gdk_window_get_width(gtk_widget_get_window(widget));
778     wh = gdk_window_get_height(gtk_widget_get_window(widget));
779 
780     if (s->full_screen) {
781         vc->gfx.scale_x = (double)ww / fbw;
782         vc->gfx.scale_y = (double)wh / fbh;
783     } else if (s->free_scale) {
784         double sx, sy;
785 
786         sx = (double)ww / fbw;
787         sy = (double)wh / fbh;
788 
789         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
790     }
791 
792     fbw *= vc->gfx.scale_x;
793     fbh *= vc->gfx.scale_y;
794 
795     mx = my = 0;
796     if (ww > fbw) {
797         mx = (ww - fbw) / 2;
798     }
799     if (wh > fbh) {
800         my = (wh - fbh) / 2;
801     }
802 
803     cairo_rectangle(cr, 0, 0, ww, wh);
804 
805     /* Optionally cut out the inner area where the pixmap
806        will be drawn. This avoids 'flashing' since we're
807        not double-buffering. Note we're using the undocumented
808        behaviour of drawing the rectangle from right to left
809        to cut out the whole */
810     cairo_rectangle(cr, mx + fbw, my,
811                     -1 * fbw, fbh);
812     cairo_fill(cr);
813 
814     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
815     cairo_set_source_surface(cr, vc->gfx.surface,
816                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
817     cairo_paint(cr);
818 
819     return TRUE;
820 }
821 
822 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
823                                 void *opaque)
824 {
825     VirtualConsole *vc = opaque;
826     GtkDisplayState *s = vc->s;
827     int x, y;
828     int mx, my;
829     int fbh, fbw;
830     int ww, wh;
831 
832     if (!vc->gfx.ds) {
833         return TRUE;
834     }
835 
836     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
837     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
838 
839     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
840     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
841 
842     mx = my = 0;
843     if (ww > fbw) {
844         mx = (ww - fbw) / 2;
845     }
846     if (wh > fbh) {
847         my = (wh - fbh) / 2;
848     }
849 
850     x = (motion->x - mx) / vc->gfx.scale_x;
851     y = (motion->y - my) / vc->gfx.scale_y;
852 
853     if (qemu_input_is_absolute()) {
854         if (x < 0 || y < 0 ||
855             x >= surface_width(vc->gfx.ds) ||
856             y >= surface_height(vc->gfx.ds)) {
857             return TRUE;
858         }
859         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
860                              0, surface_width(vc->gfx.ds));
861         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
862                              0, surface_height(vc->gfx.ds));
863         qemu_input_event_sync();
864     } else if (s->last_set && s->ptr_owner == vc) {
865         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
866         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
867         qemu_input_event_sync();
868     }
869     s->last_x = x;
870     s->last_y = y;
871     s->last_set = TRUE;
872 
873     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
874         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
875         int screen_width, screen_height;
876 
877         int x = (int)motion->x_root;
878         int y = (int)motion->y_root;
879 
880 #if GTK_CHECK_VERSION(3, 22, 0)
881         {
882             GdkDisplay *dpy = gtk_widget_get_display(widget);
883             GdkWindow *win = gtk_widget_get_window(widget);
884             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
885             GdkRectangle geometry;
886             gdk_monitor_get_geometry(monitor, &geometry);
887             screen_width = geometry.width;
888             screen_height = geometry.height;
889         }
890 #else
891         {
892             screen_width = gdk_screen_get_width(screen);
893             screen_height = gdk_screen_get_height(screen);
894         }
895 #endif
896 
897         /* In relative mode check to see if client pointer hit
898          * one of the screen edges, and if so move it back by
899          * 200 pixels. This is important because the pointer
900          * in the server doesn't correspond 1-for-1, and so
901          * may still be only half way across the screen. Without
902          * this warp, the server pointer would thus appear to hit
903          * an invisible wall */
904         if (x == 0) {
905             x += 200;
906         }
907         if (y == 0) {
908             y += 200;
909         }
910         if (x == (screen_width - 1)) {
911             x -= 200;
912         }
913         if (y == (screen_height - 1)) {
914             y -= 200;
915         }
916 
917         if (x != (int)motion->x_root || y != (int)motion->y_root) {
918             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
919             gdk_device_warp(dev, screen, x, y);
920             s->last_set = FALSE;
921             return FALSE;
922         }
923     }
924     return TRUE;
925 }
926 
927 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
928                                 void *opaque)
929 {
930     VirtualConsole *vc = opaque;
931     GtkDisplayState *s = vc->s;
932     InputButton btn;
933 
934     /* implicitly grab the input at the first click in the relative mode */
935     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
936         !qemu_input_is_absolute() && s->ptr_owner != vc) {
937         if (!vc->window) {
938             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
939                                            TRUE);
940         } else {
941             gd_grab_pointer(vc, "relative-mode-click");
942         }
943         return TRUE;
944     }
945 
946     if (button->button == 1) {
947         btn = INPUT_BUTTON_LEFT;
948     } else if (button->button == 2) {
949         btn = INPUT_BUTTON_MIDDLE;
950     } else if (button->button == 3) {
951         btn = INPUT_BUTTON_RIGHT;
952     } else if (button->button == 8) {
953         btn = INPUT_BUTTON_SIDE;
954     } else if (button->button == 9) {
955         btn = INPUT_BUTTON_EXTRA;
956     } else {
957         return TRUE;
958     }
959 
960     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
961                          button->type == GDK_BUTTON_PRESS);
962     qemu_input_event_sync();
963     return TRUE;
964 }
965 
966 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
967                                 void *opaque)
968 {
969     VirtualConsole *vc = opaque;
970     InputButton btn;
971 
972     if (scroll->direction == GDK_SCROLL_UP) {
973         btn = INPUT_BUTTON_WHEEL_UP;
974     } else if (scroll->direction == GDK_SCROLL_DOWN) {
975         btn = INPUT_BUTTON_WHEEL_DOWN;
976     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
977         gdouble delta_x, delta_y;
978         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
979                                          &delta_x, &delta_y)) {
980             return TRUE;
981         }
982         if (delta_y == 0) {
983             return TRUE;
984         } else if (delta_y > 0) {
985             btn = INPUT_BUTTON_WHEEL_DOWN;
986         } else {
987             btn = INPUT_BUTTON_WHEEL_UP;
988         }
989     } else {
990         return TRUE;
991     }
992 
993     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
994     qemu_input_event_sync();
995     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
996     qemu_input_event_sync();
997     return TRUE;
998 }
999 
1000 
1001 static const guint16 *gd_get_keymap(size_t *maplen)
1002 {
1003     GdkDisplay *dpy = gdk_display_get_default();
1004 
1005 #ifdef GDK_WINDOWING_X11
1006     if (GDK_IS_X11_DISPLAY(dpy)) {
1007         trace_gd_keymap_windowing("x11");
1008         return qemu_xkeymap_mapping_table(
1009             gdk_x11_display_get_xdisplay(dpy), maplen);
1010     }
1011 #endif
1012 
1013 #ifdef GDK_WINDOWING_WAYLAND
1014     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1015         trace_gd_keymap_windowing("wayland");
1016         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1017         return qemu_input_map_xorgevdev_to_qcode;
1018     }
1019 #endif
1020 
1021 #ifdef GDK_WINDOWING_WIN32
1022     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1023         trace_gd_keymap_windowing("win32");
1024         *maplen = qemu_input_map_win32_to_qcode_len;
1025         return qemu_input_map_win32_to_qcode;
1026     }
1027 #endif
1028 
1029 #ifdef GDK_WINDOWING_QUARTZ
1030     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1031         trace_gd_keymap_windowing("quartz");
1032         *maplen = qemu_input_map_osx_to_qcode_len;
1033         return qemu_input_map_osx_to_qcode;
1034     }
1035 #endif
1036 
1037 #ifdef GDK_WINDOWING_BROADWAY
1038     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1039         trace_gd_keymap_windowing("broadway");
1040         g_warning("experimental: using broadway, x11 virtual keysym\n"
1041                   "mapping - with very limited support. See also\n"
1042                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1043         *maplen = qemu_input_map_x11_to_qcode_len;
1044         return qemu_input_map_x11_to_qcode;
1045     }
1046 #endif
1047 
1048     g_warning("Unsupported GDK Windowing platform.\n"
1049               "Disabling extended keycode tables.\n"
1050               "Please report to qemu-devel@nongnu.org\n"
1051               "including the following information:\n"
1052               "\n"
1053               "  - Operating system\n"
1054               "  - GDK Windowing system build\n");
1055     return NULL;
1056 }
1057 
1058 
1059 static int gd_map_keycode(int scancode)
1060 {
1061     if (!keycode_map) {
1062         return 0;
1063     }
1064     if (scancode > keycode_maplen) {
1065         return 0;
1066     }
1067 
1068     return keycode_map[scancode];
1069 }
1070 
1071 static gboolean gd_text_key_down(GtkWidget *widget,
1072                                  GdkEventKey *key, void *opaque)
1073 {
1074     VirtualConsole *vc = opaque;
1075     QemuConsole *con = vc->gfx.dcl.con;
1076 
1077     if (key->keyval == GDK_KEY_Delete) {
1078         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1079     } else if (key->length) {
1080         kbd_put_string_console(con, key->string, key->length);
1081     } else {
1082         int qcode = gd_map_keycode(key->hardware_keycode);
1083         kbd_put_qcode_console(con, qcode, false);
1084     }
1085     return TRUE;
1086 }
1087 
1088 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1089 {
1090     VirtualConsole *vc = opaque;
1091     GtkDisplayState *s = vc->s;
1092     int qcode;
1093 
1094     if (s->ignore_keys) {
1095         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1096         return TRUE;
1097     }
1098 
1099 #ifdef WIN32
1100     /* on windows, we ought to ignore the reserved key event? */
1101     if (key->hardware_keycode == 0xff)
1102         return false;
1103 #endif
1104 
1105     if (key->keyval == GDK_KEY_Pause
1106 #ifdef G_OS_WIN32
1107         /* for some reason GDK does not fill keyval for VK_PAUSE
1108          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1109          */
1110         || key->hardware_keycode == VK_PAUSE
1111 #endif
1112         ) {
1113         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1114                              key->type == GDK_KEY_PRESS);
1115         return TRUE;
1116     }
1117 
1118     qcode = gd_map_keycode(key->hardware_keycode);
1119 
1120     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1121                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1122 
1123     qkbd_state_key_event(vc->gfx.kbd, qcode,
1124                          key->type == GDK_KEY_PRESS);
1125 
1126     return TRUE;
1127 }
1128 
1129 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1130 {
1131     if (event->type == GDK_MOTION_NOTIFY) {
1132         return gd_motion_event(widget, &event->motion, opaque);
1133     }
1134     return FALSE;
1135 }
1136 
1137 /** Window Menu Actions **/
1138 
1139 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1140 {
1141     GtkDisplayState *s = opaque;
1142 
1143     if (s->external_pause_update) {
1144         return;
1145     }
1146     if (runstate_is_running()) {
1147         qmp_stop(NULL);
1148     } else {
1149         qmp_cont(NULL);
1150     }
1151 }
1152 
1153 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1154 {
1155     qmp_system_reset(NULL);
1156 }
1157 
1158 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1159 {
1160     qmp_system_powerdown(NULL);
1161 }
1162 
1163 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1164 {
1165     qmp_quit(NULL);
1166 }
1167 
1168 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1169 {
1170     GtkDisplayState *s = opaque;
1171     VirtualConsole *vc = gd_vc_find_by_menu(s);
1172     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1173     gint page;
1174 
1175     gtk_release_modifiers(s);
1176     if (vc) {
1177         page = gtk_notebook_page_num(nb, vc->tab_item);
1178         gtk_notebook_set_current_page(nb, page);
1179         gtk_widget_grab_focus(vc->focus);
1180     }
1181     s->ignore_keys = false;
1182 }
1183 
1184 static void gd_accel_switch_vc(void *opaque)
1185 {
1186     VirtualConsole *vc = opaque;
1187 
1188     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1189 }
1190 
1191 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1192 {
1193     GtkDisplayState *s = opaque;
1194     VirtualConsole *vc = gd_vc_find_current(s);
1195 
1196     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1197         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1198     } else {
1199         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1200     }
1201     gd_update_windowsize(vc);
1202 }
1203 
1204 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1205                                     void *opaque)
1206 {
1207     VirtualConsole *vc = opaque;
1208     GtkDisplayState *s = vc->s;
1209 
1210     gtk_widget_set_sensitive(vc->menu_item, true);
1211     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1212     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1213                                     vc->tab_item, vc->label);
1214     gtk_widget_destroy(vc->window);
1215     vc->window = NULL;
1216     return TRUE;
1217 }
1218 
1219 static gboolean gd_win_grab(void *opaque)
1220 {
1221     VirtualConsole *vc = opaque;
1222 
1223     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1224     if (vc->s->ptr_owner) {
1225         gd_ungrab_pointer(vc->s);
1226     } else {
1227         gd_grab_pointer(vc, "user-request-detached-tab");
1228     }
1229     return TRUE;
1230 }
1231 
1232 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1233 {
1234     GtkDisplayState *s = opaque;
1235     VirtualConsole *vc = gd_vc_find_current(s);
1236 
1237     if (vc->type == GD_VC_GFX &&
1238         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1239         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1240                                        FALSE);
1241     }
1242     if (!vc->window) {
1243         gtk_widget_set_sensitive(vc->menu_item, false);
1244         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1245         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1246 
1247         g_signal_connect(vc->window, "delete-event",
1248                          G_CALLBACK(gd_tab_window_close), vc);
1249         gtk_widget_show_all(vc->window);
1250 
1251         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1252             GtkAccelGroup *ag = gtk_accel_group_new();
1253             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1254 
1255             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1256                                                vc, NULL);
1257             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1258         }
1259 
1260         gd_update_geometry_hints(vc);
1261         gd_update_caption(s);
1262     }
1263 }
1264 
1265 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1266 {
1267     GtkDisplayState *s = opaque;
1268     VirtualConsole *vc = gd_vc_find_current(s);
1269 
1270     if (s->full_screen) {
1271         return;
1272     }
1273 
1274     if (gtk_check_menu_item_get_active(
1275                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1276         gtk_widget_show(s->menu_bar);
1277     } else {
1278         gtk_widget_hide(s->menu_bar);
1279     }
1280     gd_update_windowsize(vc);
1281 }
1282 
1283 static void gd_accel_show_menubar(void *opaque)
1284 {
1285     GtkDisplayState *s = opaque;
1286     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1287 }
1288 
1289 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1290 {
1291     GtkDisplayState *s = opaque;
1292     VirtualConsole *vc = gd_vc_find_current(s);
1293 
1294     if (!s->full_screen) {
1295         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1296         gtk_widget_hide(s->menu_bar);
1297         if (vc->type == GD_VC_GFX) {
1298             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1299         }
1300         gtk_window_fullscreen(GTK_WINDOW(s->window));
1301         s->full_screen = TRUE;
1302     } else {
1303         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1304         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1305         if (gtk_check_menu_item_get_active(
1306                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1307             gtk_widget_show(s->menu_bar);
1308         }
1309         s->full_screen = FALSE;
1310         if (vc->type == GD_VC_GFX) {
1311             vc->gfx.scale_x = 1.0;
1312             vc->gfx.scale_y = 1.0;
1313             gd_update_windowsize(vc);
1314         }
1315     }
1316 
1317     gd_update_cursor(vc);
1318 }
1319 
1320 static void gd_accel_full_screen(void *opaque)
1321 {
1322     GtkDisplayState *s = opaque;
1323     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1324 }
1325 
1326 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1327 {
1328     GtkDisplayState *s = opaque;
1329     VirtualConsole *vc = gd_vc_find_current(s);
1330 
1331     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1332                                    FALSE);
1333 
1334     vc->gfx.scale_x += VC_SCALE_STEP;
1335     vc->gfx.scale_y += VC_SCALE_STEP;
1336 
1337     gd_update_windowsize(vc);
1338 }
1339 
1340 static void gd_accel_zoom_in(void *opaque)
1341 {
1342     GtkDisplayState *s = opaque;
1343     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1344 }
1345 
1346 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1347 {
1348     GtkDisplayState *s = opaque;
1349     VirtualConsole *vc = gd_vc_find_current(s);
1350 
1351     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1352                                    FALSE);
1353 
1354     vc->gfx.scale_x -= VC_SCALE_STEP;
1355     vc->gfx.scale_y -= VC_SCALE_STEP;
1356 
1357     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1358     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1359 
1360     gd_update_windowsize(vc);
1361 }
1362 
1363 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1364 {
1365     GtkDisplayState *s = opaque;
1366     VirtualConsole *vc = gd_vc_find_current(s);
1367 
1368     vc->gfx.scale_x = 1.0;
1369     vc->gfx.scale_y = 1.0;
1370 
1371     gd_update_windowsize(vc);
1372 }
1373 
1374 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1375 {
1376     GtkDisplayState *s = opaque;
1377     VirtualConsole *vc = gd_vc_find_current(s);
1378 
1379     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1380         s->free_scale = TRUE;
1381     } else {
1382         s->free_scale = FALSE;
1383         vc->gfx.scale_x = 1.0;
1384         vc->gfx.scale_y = 1.0;
1385     }
1386 
1387     gd_update_windowsize(vc);
1388     gd_update_full_redraw(vc);
1389 }
1390 
1391 #if GTK_CHECK_VERSION(3, 20, 0)
1392 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1393 {
1394     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1395     GdkSeat *seat = gdk_display_get_default_seat(display);
1396     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1397     GdkSeatCapabilities caps = 0;
1398     GdkCursor *cursor = NULL;
1399 
1400     if (kbd) {
1401         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1402     }
1403     if (ptr) {
1404         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1405         cursor = vc->s->null_cursor;
1406     }
1407 
1408     if (caps) {
1409         gdk_seat_grab(seat, window, caps, false, cursor,
1410                       NULL, NULL, NULL);
1411     } else {
1412         gdk_seat_ungrab(seat);
1413     }
1414 }
1415 #else
1416 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1417                             GdkInputSource source, GdkEventMask mask,
1418                             GdkCursor *cursor)
1419 {
1420     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1421     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1422     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1423     GList *tmp = devs;
1424 
1425     for (tmp = devs; tmp; tmp = tmp->next) {
1426         GdkDevice *dev = tmp->data;
1427         if (gdk_device_get_source(dev) != source) {
1428             continue;
1429         }
1430         if (grab) {
1431             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1432             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1433                             mask, cursor, GDK_CURRENT_TIME);
1434         } else {
1435             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1436         }
1437     }
1438     g_list_free(devs);
1439 }
1440 #endif
1441 
1442 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1443 {
1444     if (vc->s->kbd_owner) {
1445         if (vc->s->kbd_owner == vc) {
1446             return;
1447         } else {
1448             gd_ungrab_keyboard(vc->s);
1449         }
1450     }
1451 
1452 #if GTK_CHECK_VERSION(3, 20, 0)
1453     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1454 #else
1455     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1456                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1457                    NULL);
1458 #endif
1459     vc->s->kbd_owner = vc;
1460     gd_update_caption(vc->s);
1461     trace_gd_grab(vc->label, "kbd", reason);
1462 }
1463 
1464 static void gd_ungrab_keyboard(GtkDisplayState *s)
1465 {
1466     VirtualConsole *vc = s->kbd_owner;
1467 
1468     if (vc == NULL) {
1469         return;
1470     }
1471     s->kbd_owner = NULL;
1472 
1473 #if GTK_CHECK_VERSION(3, 20, 0)
1474     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1475 #else
1476     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1477 #endif
1478     gd_update_caption(s);
1479     trace_gd_ungrab(vc->label, "kbd");
1480 }
1481 
1482 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1483 {
1484     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1485 
1486     if (vc->s->ptr_owner) {
1487         if (vc->s->ptr_owner == vc) {
1488             return;
1489         } else {
1490             gd_ungrab_pointer(vc->s);
1491         }
1492     }
1493 
1494 #if GTK_CHECK_VERSION(3, 20, 0)
1495     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1496     gdk_device_get_position(gd_get_pointer(display),
1497                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1498 #else
1499     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1500                     GDK_POINTER_MOTION_MASK |
1501                     GDK_BUTTON_PRESS_MASK |
1502                     GDK_BUTTON_RELEASE_MASK |
1503                     GDK_BUTTON_MOTION_MASK |
1504                     GDK_SCROLL_MASK,
1505                     vc->s->null_cursor);
1506     gdk_device_get_position(gd_get_pointer(display),
1507                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1508 #endif
1509     vc->s->ptr_owner = vc;
1510     gd_update_caption(vc->s);
1511     trace_gd_grab(vc->label, "ptr", reason);
1512 }
1513 
1514 static void gd_ungrab_pointer(GtkDisplayState *s)
1515 {
1516     VirtualConsole *vc = s->ptr_owner;
1517     GdkDisplay *display;
1518 
1519     if (vc == NULL) {
1520         return;
1521     }
1522     s->ptr_owner = NULL;
1523 
1524     display = gtk_widget_get_display(vc->gfx.drawing_area);
1525 #if GTK_CHECK_VERSION(3, 20, 0)
1526     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1527     gdk_device_warp(gd_get_pointer(display),
1528                     gtk_widget_get_screen(vc->gfx.drawing_area),
1529                     vc->s->grab_x_root, vc->s->grab_y_root);
1530 #else
1531     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
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 #endif
1536     gd_update_caption(s);
1537     trace_gd_ungrab(vc->label, "ptr");
1538 }
1539 
1540 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1541 {
1542     GtkDisplayState *s = opaque;
1543     VirtualConsole *vc = gd_vc_find_current(s);
1544 
1545     if (gd_is_grab_active(s)) {
1546         gd_grab_keyboard(vc, "user-request-main-window");
1547         gd_grab_pointer(vc, "user-request-main-window");
1548     } else {
1549         gd_ungrab_keyboard(s);
1550         gd_ungrab_pointer(s);
1551     }
1552 
1553     gd_update_cursor(vc);
1554 }
1555 
1556 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1557                            gpointer data)
1558 {
1559     GtkDisplayState *s = data;
1560     VirtualConsole *vc;
1561     gboolean on_vga;
1562 
1563     if (!gtk_widget_get_realized(s->notebook)) {
1564         return;
1565     }
1566 
1567     vc = gd_vc_find_by_page(s, arg2);
1568     if (!vc) {
1569         return;
1570     }
1571     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1572                                    TRUE);
1573     on_vga = (vc->type == GD_VC_GFX &&
1574               qemu_console_is_graphic(vc->gfx.dcl.con));
1575     if (!on_vga) {
1576         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1577                                        FALSE);
1578     } else if (s->full_screen) {
1579         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1580                                        TRUE);
1581     }
1582     gtk_widget_set_sensitive(s->grab_item, on_vga);
1583 #ifdef CONFIG_VTE
1584     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1585 #endif
1586 
1587     gd_update_windowsize(vc);
1588     gd_update_cursor(vc);
1589 }
1590 
1591 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1592                                gpointer opaque)
1593 {
1594     VirtualConsole *vc = opaque;
1595     GtkDisplayState *s = vc->s;
1596 
1597     if (gd_grab_on_hover(s)) {
1598         gd_grab_keyboard(vc, "grab-on-hover");
1599     }
1600     return TRUE;
1601 }
1602 
1603 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1604                                gpointer opaque)
1605 {
1606     VirtualConsole *vc = opaque;
1607     GtkDisplayState *s = vc->s;
1608 
1609     if (gd_grab_on_hover(s)) {
1610         gd_ungrab_keyboard(s);
1611     }
1612     return TRUE;
1613 }
1614 
1615 static gboolean gd_focus_out_event(GtkWidget *widget,
1616                                    GdkEventCrossing *crossing, gpointer opaque)
1617 {
1618     VirtualConsole *vc = opaque;
1619     GtkDisplayState *s = vc->s;
1620 
1621     gtk_release_modifiers(s);
1622     return TRUE;
1623 }
1624 
1625 static gboolean gd_configure(GtkWidget *widget,
1626                              GdkEventConfigure *cfg, gpointer opaque)
1627 {
1628     VirtualConsole *vc = opaque;
1629 
1630     gd_set_ui_info(vc, cfg->width, cfg->height);
1631     return FALSE;
1632 }
1633 
1634 /** Virtual Console Callbacks **/
1635 
1636 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1637                                int idx, GSList *group, GtkWidget *view_menu)
1638 {
1639     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1640     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1641             HOTKEY_MODIFIERS, 0,
1642             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1643     gtk_accel_label_set_accel(
1644             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1645             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1646 
1647     g_signal_connect(vc->menu_item, "activate",
1648                      G_CALLBACK(gd_menu_switch_vc), s);
1649     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1650 
1651     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1652     return group;
1653 }
1654 
1655 #if defined(CONFIG_VTE)
1656 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1657 {
1658     GtkDisplayState *s = opaque;
1659     VirtualConsole *vc = gd_vc_find_current(s);
1660 
1661 #if VTE_CHECK_VERSION(0, 50, 0)
1662     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1663                                        VTE_FORMAT_TEXT);
1664 #else
1665     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1666 #endif
1667 }
1668 
1669 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1670 {
1671     VirtualConsole *vc = opaque;
1672 
1673     if (gtk_adjustment_get_upper(adjustment) >
1674         gtk_adjustment_get_page_size(adjustment)) {
1675         gtk_widget_show(vc->vte.scrollbar);
1676     } else {
1677         gtk_widget_hide(vc->vte.scrollbar);
1678     }
1679 }
1680 
1681 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1682 {
1683     VCChardev *vcd = VC_CHARDEV(chr);
1684     VirtualConsole *vc = vcd->console;
1685 
1686     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1687     return len;
1688 }
1689 
1690 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1691 {
1692     VCChardev *vcd = VC_CHARDEV(chr);
1693     VirtualConsole *vc = vcd->console;
1694 
1695     if (vc) {
1696         vc->vte.echo = echo;
1697     } else {
1698         vcd->echo = echo;
1699     }
1700 }
1701 
1702 static int nb_vcs;
1703 static Chardev *vcs[MAX_VCS];
1704 static void gd_vc_open(Chardev *chr,
1705                        ChardevBackend *backend,
1706                        bool *be_opened,
1707                        Error **errp)
1708 {
1709     if (nb_vcs == MAX_VCS) {
1710         error_setg(errp, "Maximum number of consoles reached");
1711         return;
1712     }
1713 
1714     vcs[nb_vcs++] = chr;
1715 
1716     /* console/chardev init sometimes completes elsewhere in a 2nd
1717      * stage, so defer OPENED events until they are fully initialized
1718      */
1719     *be_opened = false;
1720 }
1721 
1722 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1723 {
1724     ChardevClass *cc = CHARDEV_CLASS(oc);
1725 
1726     cc->parse = qemu_chr_parse_vc;
1727     cc->open = gd_vc_open;
1728     cc->chr_write = gd_vc_chr_write;
1729     cc->chr_set_echo = gd_vc_chr_set_echo;
1730 }
1731 
1732 static const TypeInfo char_gd_vc_type_info = {
1733     .name = TYPE_CHARDEV_VC,
1734     .parent = TYPE_CHARDEV,
1735     .instance_size = sizeof(VCChardev),
1736     .class_init = char_gd_vc_class_init,
1737 };
1738 
1739 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1740                          gpointer user_data)
1741 {
1742     VirtualConsole *vc = user_data;
1743 
1744     if (vc->vte.echo) {
1745         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1746         int i;
1747         for (i = 0; i < size; i++) {
1748             uint8_t c = text[i];
1749             if (c >= 128 || isprint(c)) {
1750                 /* 8-bit characters are considered printable.  */
1751                 vte_terminal_feed(term, &text[i], 1);
1752             } else if (c == '\r' || c == '\n') {
1753                 vte_terminal_feed(term, "\r\n", 2);
1754             } else {
1755                 char ctrl[2] = { '^', 0};
1756                 ctrl[1] = text[i] ^ 64;
1757                 vte_terminal_feed(term, ctrl, 2);
1758             }
1759         }
1760     }
1761 
1762     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1763     return TRUE;
1764 }
1765 
1766 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1767                               Chardev *chr, int idx,
1768                               GSList *group, GtkWidget *view_menu)
1769 {
1770     char buffer[32];
1771     GtkWidget *box;
1772     GtkWidget *scrollbar;
1773     GtkAdjustment *vadjustment;
1774     VCChardev *vcd = VC_CHARDEV(chr);
1775 
1776     vc->s = s;
1777     vc->vte.echo = vcd->echo;
1778     vc->vte.chr = chr;
1779     vcd->console = vc;
1780 
1781     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1782     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1783                                 ? vc->vte.chr->label : buffer);
1784     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1785 
1786     vc->vte.terminal = vte_terminal_new();
1787     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1788 
1789     /* The documentation says that the default is UTF-8, but actually it is
1790      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1791      * VTE 0.54 (only UTF-8 is supported now). */
1792 #if !VTE_CHECK_VERSION(0, 54, 0)
1793 #if VTE_CHECK_VERSION(0, 38, 0)
1794     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1795 #else
1796     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1797 #endif
1798 #endif
1799 
1800     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1801     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1802                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1803 
1804 #if VTE_CHECK_VERSION(0, 28, 0)
1805     vadjustment = gtk_scrollable_get_vadjustment
1806         (GTK_SCROLLABLE(vc->vte.terminal));
1807 #else
1808     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1809 #endif
1810 
1811     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1812     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1813 
1814     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1815     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1816 
1817     vc->vte.box = box;
1818     vc->vte.scrollbar = scrollbar;
1819 
1820     g_signal_connect(vadjustment, "changed",
1821                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1822 
1823     vc->type = GD_VC_VTE;
1824     vc->tab_item = box;
1825     vc->focus = vc->vte.terminal;
1826     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1827                              gtk_label_new(vc->label));
1828 
1829     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1830 
1831     return group;
1832 }
1833 
1834 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1835                         GtkWidget *view_menu)
1836 {
1837     int i;
1838 
1839     for (i = 0; i < nb_vcs; i++) {
1840         VirtualConsole *vc = &s->vc[s->nb_vcs];
1841         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1842         s->nb_vcs++;
1843     }
1844 }
1845 #endif /* CONFIG_VTE */
1846 
1847 /** Window Creation **/
1848 
1849 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1850 {
1851     g_signal_connect(vc->gfx.drawing_area, "draw",
1852                      G_CALLBACK(gd_draw_event), vc);
1853 #if defined(CONFIG_GTK_GL)
1854     if (gtk_use_gl_area) {
1855         /* wire up GtkGlArea events */
1856         g_signal_connect(vc->gfx.drawing_area, "render",
1857                          G_CALLBACK(gd_render_event), vc);
1858         g_signal_connect(vc->gfx.drawing_area, "resize",
1859                          G_CALLBACK(gd_resize_event), vc);
1860     }
1861 #endif
1862     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1863         g_signal_connect(vc->gfx.drawing_area, "event",
1864                          G_CALLBACK(gd_event), vc);
1865         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1866                          G_CALLBACK(gd_button_event), vc);
1867         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1868                          G_CALLBACK(gd_button_event), vc);
1869         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1870                          G_CALLBACK(gd_scroll_event), vc);
1871         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1872                          G_CALLBACK(gd_key_event), vc);
1873         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1874                          G_CALLBACK(gd_key_event), vc);
1875 
1876         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1877                          G_CALLBACK(gd_enter_event), vc);
1878         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1879                          G_CALLBACK(gd_leave_event), vc);
1880         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1881                          G_CALLBACK(gd_focus_out_event), vc);
1882         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1883                          G_CALLBACK(gd_configure), vc);
1884     } else {
1885         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1886                          G_CALLBACK(gd_text_key_down), vc);
1887     }
1888 }
1889 
1890 static void gd_connect_signals(GtkDisplayState *s)
1891 {
1892     g_signal_connect(s->show_tabs_item, "activate",
1893                      G_CALLBACK(gd_menu_show_tabs), s);
1894     g_signal_connect(s->untabify_item, "activate",
1895                      G_CALLBACK(gd_menu_untabify), s);
1896     g_signal_connect(s->show_menubar_item, "activate",
1897                      G_CALLBACK(gd_menu_show_menubar), s);
1898 
1899     g_signal_connect(s->window, "delete-event",
1900                      G_CALLBACK(gd_window_close), s);
1901 
1902     g_signal_connect(s->pause_item, "activate",
1903                      G_CALLBACK(gd_menu_pause), s);
1904     g_signal_connect(s->reset_item, "activate",
1905                      G_CALLBACK(gd_menu_reset), s);
1906     g_signal_connect(s->powerdown_item, "activate",
1907                      G_CALLBACK(gd_menu_powerdown), s);
1908     g_signal_connect(s->quit_item, "activate",
1909                      G_CALLBACK(gd_menu_quit), s);
1910 #if defined(CONFIG_VTE)
1911     g_signal_connect(s->copy_item, "activate",
1912                      G_CALLBACK(gd_menu_copy), s);
1913 #endif
1914     g_signal_connect(s->full_screen_item, "activate",
1915                      G_CALLBACK(gd_menu_full_screen), s);
1916     g_signal_connect(s->zoom_in_item, "activate",
1917                      G_CALLBACK(gd_menu_zoom_in), s);
1918     g_signal_connect(s->zoom_out_item, "activate",
1919                      G_CALLBACK(gd_menu_zoom_out), s);
1920     g_signal_connect(s->zoom_fixed_item, "activate",
1921                      G_CALLBACK(gd_menu_zoom_fixed), s);
1922     g_signal_connect(s->zoom_fit_item, "activate",
1923                      G_CALLBACK(gd_menu_zoom_fit), s);
1924     g_signal_connect(s->grab_item, "activate",
1925                      G_CALLBACK(gd_menu_grab_input), s);
1926     g_signal_connect(s->notebook, "switch-page",
1927                      G_CALLBACK(gd_change_page), s);
1928 }
1929 
1930 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1931 {
1932     GtkWidget *machine_menu;
1933     GtkWidget *separator;
1934 
1935     machine_menu = gtk_menu_new();
1936     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1937 
1938     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1939     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1940 
1941     separator = gtk_separator_menu_item_new();
1942     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1943 
1944     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1945     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1946 
1947     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1948     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1949 
1950     separator = gtk_separator_menu_item_new();
1951     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1952 
1953     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1954     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1955                                  "<QEMU>/Machine/Quit");
1956     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1957                             GDK_KEY_q, HOTKEY_MODIFIERS);
1958     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1959 
1960     return machine_menu;
1961 }
1962 
1963 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1964                               QemuConsole *con, int idx,
1965                               GSList *group, GtkWidget *view_menu)
1966 {
1967     bool zoom_to_fit = false;
1968 
1969     vc->label = qemu_console_get_label(con);
1970     vc->s = s;
1971     vc->gfx.scale_x = 1.0;
1972     vc->gfx.scale_y = 1.0;
1973 
1974 #if defined(CONFIG_OPENGL)
1975     if (display_opengl) {
1976 #if defined(CONFIG_GTK_GL)
1977         if (gtk_use_gl_area) {
1978             vc->gfx.drawing_area = gtk_gl_area_new();
1979             vc->gfx.dcl.ops = &dcl_gl_area_ops;
1980         } else
1981 #endif /* CONFIG_GTK_GL */
1982         {
1983             vc->gfx.drawing_area = gtk_drawing_area_new();
1984             /*
1985              * gtk_widget_set_double_buffered() was deprecated in 3.14.
1986              * It is required for opengl rendering on X11 though.  A
1987              * proper replacement (native opengl support) is only
1988              * available in 3.16+.  Silence the warning if possible.
1989              */
1990 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1991 #pragma GCC diagnostic push
1992 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1993 #endif
1994             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1995 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1996 #pragma GCC diagnostic pop
1997 #endif
1998             vc->gfx.dcl.ops = &dcl_egl_ops;
1999         }
2000     } else
2001 #endif
2002     {
2003         vc->gfx.drawing_area = gtk_drawing_area_new();
2004         vc->gfx.dcl.ops = &dcl_ops;
2005     }
2006 
2007 
2008     gtk_widget_add_events(vc->gfx.drawing_area,
2009                           GDK_POINTER_MOTION_MASK |
2010                           GDK_BUTTON_PRESS_MASK |
2011                           GDK_BUTTON_RELEASE_MASK |
2012                           GDK_BUTTON_MOTION_MASK |
2013                           GDK_ENTER_NOTIFY_MASK |
2014                           GDK_LEAVE_NOTIFY_MASK |
2015                           GDK_SCROLL_MASK |
2016                           GDK_SMOOTH_SCROLL_MASK |
2017                           GDK_KEY_PRESS_MASK);
2018     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2019 
2020     vc->type = GD_VC_GFX;
2021     vc->tab_item = vc->gfx.drawing_area;
2022     vc->focus = vc->gfx.drawing_area;
2023     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2024                              vc->tab_item, gtk_label_new(vc->label));
2025 
2026     vc->gfx.kbd = qkbd_state_init(con);
2027     vc->gfx.dcl.con = con;
2028     register_displaychangelistener(&vc->gfx.dcl);
2029 
2030     gd_connect_vc_gfx_signals(vc);
2031     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2032 
2033     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2034         zoom_to_fit = true;
2035     }
2036     if (s->opts->u.gtk.has_zoom_to_fit) {
2037         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2038     }
2039     if (zoom_to_fit) {
2040         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2041         s->free_scale = true;
2042     }
2043 
2044     return group;
2045 }
2046 
2047 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2048 {
2049     GSList *group = NULL;
2050     GtkWidget *view_menu;
2051     GtkWidget *separator;
2052     QemuConsole *con;
2053     int vc;
2054 
2055     view_menu = gtk_menu_new();
2056     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2057 
2058     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2059 
2060 #if defined(CONFIG_VTE)
2061     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2062     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2063 #endif
2064 
2065     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2066             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2067     gtk_accel_label_set_accel(
2068             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2069             GDK_KEY_f, HOTKEY_MODIFIERS);
2070     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2071 
2072     separator = gtk_separator_menu_item_new();
2073     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2074 
2075     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2076     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2077                                  "<QEMU>/View/Zoom In");
2078     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2079                             HOTKEY_MODIFIERS);
2080     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2081             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2082     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2083 
2084     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2085     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2086                                  "<QEMU>/View/Zoom Out");
2087     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2088                             HOTKEY_MODIFIERS);
2089     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2090 
2091     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2092     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2093                                  "<QEMU>/View/Zoom Fixed");
2094     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2095                             HOTKEY_MODIFIERS);
2096     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2097 
2098     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2099     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2100 
2101     separator = gtk_separator_menu_item_new();
2102     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2103 
2104     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2105     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2106 
2107     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2108     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2109                                  "<QEMU>/View/Grab Input");
2110     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2111                             HOTKEY_MODIFIERS);
2112     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2113 
2114     separator = gtk_separator_menu_item_new();
2115     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2116 
2117     /* gfx */
2118     for (vc = 0;; vc++) {
2119         con = qemu_console_lookup_by_index(vc);
2120         if (!con) {
2121             break;
2122         }
2123         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2124                                vc, group, view_menu);
2125         s->nb_vcs++;
2126     }
2127 
2128 #if defined(CONFIG_VTE)
2129     /* vte */
2130     gd_vcs_init(s, group, view_menu);
2131 #endif
2132 
2133     separator = gtk_separator_menu_item_new();
2134     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2135 
2136     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2137     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2138 
2139     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2140     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2141 
2142     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2143             _("Show Menubar"));
2144     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2145                                    TRUE);
2146     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2147             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2148     gtk_accel_label_set_accel(
2149             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2150             GDK_KEY_m, HOTKEY_MODIFIERS);
2151     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2152 
2153     return view_menu;
2154 }
2155 
2156 static void gd_create_menus(GtkDisplayState *s)
2157 {
2158     GtkSettings *settings;
2159 
2160     s->accel_group = gtk_accel_group_new();
2161     s->machine_menu = gd_create_menu_machine(s);
2162     s->view_menu = gd_create_menu_view(s);
2163 
2164     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2165     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2166                               s->machine_menu);
2167     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2168 
2169     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2170     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2171     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2172 
2173     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2174     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2175 
2176     /* Disable the default "F10" menu shortcut. */
2177     settings = gtk_widget_get_settings(s->window);
2178     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2179 }
2180 
2181 
2182 static gboolean gtkinit;
2183 
2184 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2185 {
2186     VirtualConsole *vc;
2187 
2188     GtkDisplayState *s = g_malloc0(sizeof(*s));
2189     GdkDisplay *window_display;
2190     GtkIconTheme *theme;
2191 
2192     if (!gtkinit) {
2193         fprintf(stderr, "gtk initialization failed\n");
2194         exit(1);
2195     }
2196     assert(opts->type == DISPLAY_TYPE_GTK);
2197     s->opts = opts;
2198 
2199     theme = gtk_icon_theme_get_default();
2200     gtk_icon_theme_prepend_search_path(theme, CONFIG_QEMU_ICONDIR);
2201     g_set_prgname("qemu");
2202 
2203     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2204     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2205     s->notebook = gtk_notebook_new();
2206     s->menu_bar = gtk_menu_bar_new();
2207 
2208     s->free_scale = FALSE;
2209 
2210     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2211      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2212      * printable, but without changing any of the character classes to make
2213      * sure that we don't accidentally break implicit assumptions.  */
2214     setlocale(LC_MESSAGES, "");
2215     setlocale(LC_CTYPE, "C.UTF-8");
2216     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2217     textdomain("qemu");
2218 
2219     window_display = gtk_widget_get_display(s->window);
2220     s->null_cursor = gdk_cursor_new_for_display(window_display,
2221                                                 GDK_BLANK_CURSOR);
2222 
2223     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2224     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2225     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2226 
2227     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2228 
2229     gd_create_menus(s);
2230 
2231     gd_connect_signals(s);
2232 
2233     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2234     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2235 
2236     gd_update_caption(s);
2237 
2238     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2239     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2240 
2241     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2242 
2243     gtk_widget_show_all(s->window);
2244 
2245     vc = gd_vc_find_current(s);
2246     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2247 #ifdef CONFIG_VTE
2248     gtk_widget_set_sensitive(s->copy_item,
2249                              vc && vc->type == GD_VC_VTE);
2250 #endif
2251 
2252     if (opts->has_full_screen &&
2253         opts->full_screen) {
2254         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2255     }
2256     if (opts->u.gtk.has_grab_on_hover &&
2257         opts->u.gtk.grab_on_hover) {
2258         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2259     }
2260 }
2261 
2262 static void early_gtk_display_init(DisplayOptions *opts)
2263 {
2264     /* The QEMU code relies on the assumption that it's always run in
2265      * the C locale. Therefore it is not prepared to deal with
2266      * operations that produce different results depending on the
2267      * locale, such as printf's formatting of decimal numbers, and
2268      * possibly others.
2269      *
2270      * Since GTK+ calls setlocale() by default -importing the locale
2271      * settings from the environment- we must prevent it from doing so
2272      * using gtk_disable_setlocale().
2273      *
2274      * QEMU's GTK+ UI, however, _does_ have translations for some of
2275      * the menu items. As a trade-off between a functionally correct
2276      * QEMU and a fully internationalized UI we support importing
2277      * LC_MESSAGES from the environment (see the setlocale() call
2278      * earlier in this file). This allows us to display translated
2279      * messages leaving everything else untouched.
2280      */
2281     gtk_disable_setlocale();
2282     gtkinit = gtk_init_check(NULL, NULL);
2283     if (!gtkinit) {
2284         /* don't exit yet, that'll break -help */
2285         return;
2286     }
2287 
2288     assert(opts->type == DISPLAY_TYPE_GTK);
2289     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2290 #if defined(CONFIG_OPENGL)
2291 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2292         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2293             gtk_use_gl_area = true;
2294             gtk_gl_area_init();
2295         } else
2296 #endif
2297         {
2298             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2299             gtk_egl_init(mode);
2300         }
2301 #endif
2302     }
2303 
2304     keycode_map = gd_get_keymap(&keycode_maplen);
2305 
2306 #if defined(CONFIG_VTE)
2307     type_register(&char_gd_vc_type_info);
2308 #endif
2309 }
2310 
2311 static QemuDisplay qemu_display_gtk = {
2312     .type       = DISPLAY_TYPE_GTK,
2313     .early_init = early_gtk_display_init,
2314     .init       = gtk_display_init,
2315 };
2316 
2317 static void register_gtk(void)
2318 {
2319     qemu_display_register(&qemu_display_gtk);
2320 }
2321 
2322 type_init(register_gtk);
2323