xref: /openbmc/qemu/ui/gtk.c (revision 7f623d08)
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 int modifier_keycode[] = {
126     Q_KEY_CODE_SHIFT,
127     Q_KEY_CODE_SHIFT_R,
128     Q_KEY_CODE_CTRL,
129     Q_KEY_CODE_CTRL_R,
130     Q_KEY_CODE_ALT,
131     Q_KEY_CODE_ALT_R,
132     Q_KEY_CODE_META_L,
133     Q_KEY_CODE_META_R,
134 };
135 
136 static const guint16 *keycode_map;
137 static size_t keycode_maplen;
138 
139 struct GtkDisplayState {
140     GtkWidget *window;
141 
142     GtkWidget *menu_bar;
143 
144     GtkAccelGroup *accel_group;
145 
146     GtkWidget *machine_menu_item;
147     GtkWidget *machine_menu;
148     GtkWidget *pause_item;
149     GtkWidget *reset_item;
150     GtkWidget *powerdown_item;
151     GtkWidget *quit_item;
152 
153     GtkWidget *view_menu_item;
154     GtkWidget *view_menu;
155     GtkWidget *full_screen_item;
156     GtkWidget *copy_item;
157     GtkWidget *zoom_in_item;
158     GtkWidget *zoom_out_item;
159     GtkWidget *zoom_fixed_item;
160     GtkWidget *zoom_fit_item;
161     GtkWidget *grab_item;
162     GtkWidget *grab_on_hover_item;
163 
164     int nb_vcs;
165     VirtualConsole vc[MAX_VCS];
166 
167     GtkWidget *show_tabs_item;
168     GtkWidget *untabify_item;
169     GtkWidget *show_menubar_item;
170 
171     GtkWidget *vbox;
172     GtkWidget *notebook;
173     int button_mask;
174     gboolean last_set;
175     int last_x;
176     int last_y;
177     int grab_x_root;
178     int grab_y_root;
179     VirtualConsole *kbd_owner;
180     VirtualConsole *ptr_owner;
181 
182     gboolean full_screen;
183 
184     GdkCursor *null_cursor;
185     Notifier mouse_mode_notifier;
186     gboolean free_scale;
187 
188     bool external_pause_update;
189 
190     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
191     bool ignore_keys;
192 
193     DisplayOptions *opts;
194 };
195 
196 typedef struct VCChardev {
197     Chardev parent;
198     VirtualConsole *console;
199     bool echo;
200 } VCChardev;
201 
202 #define TYPE_CHARDEV_VC "chardev-vc"
203 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
204 
205 bool gtk_use_gl_area;
206 
207 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
208 static void gd_ungrab_pointer(GtkDisplayState *s);
209 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
210 static void gd_ungrab_keyboard(GtkDisplayState *s);
211 
212 /** Utility Functions **/
213 
214 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
215 {
216     VirtualConsole *vc;
217     gint i;
218 
219     for (i = 0; i < s->nb_vcs; i++) {
220         vc = &s->vc[i];
221         if (gtk_check_menu_item_get_active
222             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
223             return vc;
224         }
225     }
226     return NULL;
227 }
228 
229 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
230 {
231     VirtualConsole *vc;
232     gint i, p;
233 
234     for (i = 0; i < s->nb_vcs; i++) {
235         vc = &s->vc[i];
236         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
237         if (p == page) {
238             return vc;
239         }
240     }
241     return NULL;
242 }
243 
244 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
245 {
246     gint page;
247 
248     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
249     return gd_vc_find_by_page(s, page);
250 }
251 
252 static bool gd_is_grab_active(GtkDisplayState *s)
253 {
254     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
255 }
256 
257 static bool gd_grab_on_hover(GtkDisplayState *s)
258 {
259     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
260 }
261 
262 static void gd_update_cursor(VirtualConsole *vc)
263 {
264     GtkDisplayState *s = vc->s;
265     GdkWindow *window;
266 
267     if (vc->type != GD_VC_GFX ||
268         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
269         return;
270     }
271 
272     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
273         return;
274     }
275 
276     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
277     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
278         gdk_window_set_cursor(window, s->null_cursor);
279     } else {
280         gdk_window_set_cursor(window, NULL);
281     }
282 }
283 
284 static void gd_update_caption(GtkDisplayState *s)
285 {
286     const char *status = "";
287     gchar *prefix;
288     gchar *title;
289     const char *grab = "";
290     bool is_paused = !runstate_is_running();
291     int i;
292 
293     if (qemu_name) {
294         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
295     } else {
296         prefix = g_strdup_printf("QEMU");
297     }
298 
299     if (s->ptr_owner != NULL &&
300         s->ptr_owner->window == NULL) {
301         grab = _(" - Press Ctrl+Alt+G to release grab");
302     }
303 
304     if (is_paused) {
305         status = _(" [Paused]");
306     }
307     s->external_pause_update = true;
308     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
309                                    is_paused);
310     s->external_pause_update = false;
311 
312     title = g_strdup_printf("%s%s%s", prefix, status, grab);
313     gtk_window_set_title(GTK_WINDOW(s->window), title);
314     g_free(title);
315 
316     for (i = 0; i < s->nb_vcs; i++) {
317         VirtualConsole *vc = &s->vc[i];
318 
319         if (!vc->window) {
320             continue;
321         }
322         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
323                                 vc == s->kbd_owner ? " +kbd" : "",
324                                 vc == s->ptr_owner ? " +ptr" : "");
325         gtk_window_set_title(GTK_WINDOW(vc->window), title);
326         g_free(title);
327     }
328 
329     g_free(prefix);
330 }
331 
332 static void gd_update_geometry_hints(VirtualConsole *vc)
333 {
334     GtkDisplayState *s = vc->s;
335     GdkWindowHints mask = 0;
336     GdkGeometry geo = {};
337     GtkWidget *geo_widget = NULL;
338     GtkWindow *geo_window;
339 
340     if (vc->type == GD_VC_GFX) {
341         if (!vc->gfx.ds) {
342             return;
343         }
344         if (s->free_scale) {
345             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
346             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
347             mask |= GDK_HINT_MIN_SIZE;
348         } else {
349             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
350             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
351             mask |= GDK_HINT_MIN_SIZE;
352         }
353         geo_widget = vc->gfx.drawing_area;
354         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
355 
356 #if defined(CONFIG_VTE)
357     } else if (vc->type == GD_VC_VTE) {
358         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
359         GtkBorder padding = { 0 };
360 
361 #if VTE_CHECK_VERSION(0, 37, 0)
362         gtk_style_context_get_padding(
363                 gtk_widget_get_style_context(vc->vte.terminal),
364                 gtk_widget_get_state_flags(vc->vte.terminal),
365                 &padding);
366 #else
367         {
368             GtkBorder *ib = NULL;
369             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
370             if (ib) {
371                 padding = *ib;
372                 gtk_border_free(ib);
373             }
374         }
375 #endif
376 
377         geo.width_inc  = vte_terminal_get_char_width(term);
378         geo.height_inc = vte_terminal_get_char_height(term);
379         mask |= GDK_HINT_RESIZE_INC;
380         geo.base_width  = geo.width_inc;
381         geo.base_height = geo.height_inc;
382         mask |= GDK_HINT_BASE_SIZE;
383         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
384         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
385         mask |= GDK_HINT_MIN_SIZE;
386 
387         geo.base_width  += padding.left + padding.right;
388         geo.base_height += padding.top + padding.bottom;
389         geo.min_width   += padding.left + padding.right;
390         geo.min_height  += padding.top + padding.bottom;
391         geo_widget = vc->vte.terminal;
392 #endif
393     }
394 
395     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
396     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
397 }
398 
399 void gd_update_windowsize(VirtualConsole *vc)
400 {
401     GtkDisplayState *s = vc->s;
402 
403     gd_update_geometry_hints(vc);
404 
405     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
406         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
407                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
408     }
409 }
410 
411 static void gd_update_full_redraw(VirtualConsole *vc)
412 {
413     GtkWidget *area = vc->gfx.drawing_area;
414     int ww, wh;
415     ww = gdk_window_get_width(gtk_widget_get_window(area));
416     wh = gdk_window_get_height(gtk_widget_get_window(area));
417 #if defined(CONFIG_GTK_GL)
418     if (vc->gfx.gls && gtk_use_gl_area) {
419         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
420         return;
421     }
422 #endif
423     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
424 }
425 
426 static void gtk_release_modifiers(GtkDisplayState *s)
427 {
428     VirtualConsole *vc = gd_vc_find_current(s);
429     int i, qcode;
430 
431     if (vc->type != GD_VC_GFX ||
432         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
433         return;
434     }
435     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
436         qcode = modifier_keycode[i];
437         if (!s->modifier_pressed[i]) {
438             continue;
439         }
440         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode, false);
441         s->modifier_pressed[i] = false;
442     }
443 }
444 
445 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
446                                GtkWidget *widget)
447 {
448     g_object_ref(G_OBJECT(widget));
449     gtk_container_remove(GTK_CONTAINER(from), widget);
450     gtk_container_add(GTK_CONTAINER(to), widget);
451     g_object_unref(G_OBJECT(widget));
452 }
453 
454 /** DisplayState Callbacks **/
455 
456 static void gd_update(DisplayChangeListener *dcl,
457                       int x, int y, int w, int h)
458 {
459     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
460     GdkWindow *win;
461     int x1, x2, y1, y2;
462     int mx, my;
463     int fbw, fbh;
464     int ww, wh;
465 
466     trace_gd_update(vc->label, x, y, w, h);
467 
468     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
469         return;
470     }
471 
472     if (vc->gfx.convert) {
473         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
474                                NULL, vc->gfx.convert,
475                                x, y, 0, 0, x, y, w, h);
476     }
477 
478     x1 = floor(x * vc->gfx.scale_x);
479     y1 = floor(y * vc->gfx.scale_y);
480 
481     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
482     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
483 
484     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
485     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
486 
487     win = gtk_widget_get_window(vc->gfx.drawing_area);
488     if (!win) {
489         return;
490     }
491     ww = gdk_window_get_width(win);
492     wh = gdk_window_get_height(win);
493 
494     mx = my = 0;
495     if (ww > fbw) {
496         mx = (ww - fbw) / 2;
497     }
498     if (wh > fbh) {
499         my = (wh - fbh) / 2;
500     }
501 
502     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
503                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
504 }
505 
506 static void gd_refresh(DisplayChangeListener *dcl)
507 {
508     graphic_hw_update(dcl->con);
509 }
510 
511 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
512 {
513 #if GTK_CHECK_VERSION(3, 20, 0)
514     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
515 #else
516     return gdk_device_manager_get_client_pointer(
517         gdk_display_get_device_manager(dpy));
518 #endif
519 }
520 
521 static void gd_mouse_set(DisplayChangeListener *dcl,
522                          int x, int y, int visible)
523 {
524     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
525     GdkDisplay *dpy;
526     gint x_root, y_root;
527 
528     if (qemu_input_is_absolute()) {
529         return;
530     }
531 
532     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
533     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
534                                x, y, &x_root, &y_root);
535     gdk_device_warp(gd_get_pointer(dpy),
536                     gtk_widget_get_screen(vc->gfx.drawing_area),
537                     x_root, y_root);
538     vc->s->last_x = x;
539     vc->s->last_y = y;
540 }
541 
542 static void gd_cursor_define(DisplayChangeListener *dcl,
543                              QEMUCursor *c)
544 {
545     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
546     GdkPixbuf *pixbuf;
547     GdkCursor *cursor;
548 
549     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
550         return;
551     }
552 
553     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
554                                       GDK_COLORSPACE_RGB, true, 8,
555                                       c->width, c->height, c->width * 4,
556                                       NULL, NULL);
557     cursor = gdk_cursor_new_from_pixbuf
558         (gtk_widget_get_display(vc->gfx.drawing_area),
559          pixbuf, c->hot_x, c->hot_y);
560     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
561     g_object_unref(pixbuf);
562     g_object_unref(cursor);
563 }
564 
565 static void gd_switch(DisplayChangeListener *dcl,
566                       DisplaySurface *surface)
567 {
568     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
569     bool resized = true;
570 
571     trace_gd_switch(vc->label,
572                     surface ? surface_width(surface)  : 0,
573                     surface ? surface_height(surface) : 0);
574 
575     if (vc->gfx.surface) {
576         cairo_surface_destroy(vc->gfx.surface);
577         vc->gfx.surface = NULL;
578     }
579     if (vc->gfx.convert) {
580         pixman_image_unref(vc->gfx.convert);
581         vc->gfx.convert = NULL;
582     }
583 
584     if (vc->gfx.ds && surface &&
585         surface_width(vc->gfx.ds) == surface_width(surface) &&
586         surface_height(vc->gfx.ds) == surface_height(surface)) {
587         resized = false;
588     }
589     vc->gfx.ds = surface;
590 
591     if (!surface) {
592         return;
593     }
594 
595     if (surface->format == PIXMAN_x8r8g8b8) {
596         /*
597          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
598          *
599          * No need to convert, use surface directly.  Should be the
600          * common case as this is qemu_default_pixelformat(32) too.
601          */
602         vc->gfx.surface = cairo_image_surface_create_for_data
603             (surface_data(surface),
604              CAIRO_FORMAT_RGB24,
605              surface_width(surface),
606              surface_height(surface),
607              surface_stride(surface));
608     } else {
609         /* Must convert surface, use pixman to do it. */
610         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
611                                                    surface_width(surface),
612                                                    surface_height(surface),
613                                                    NULL, 0);
614         vc->gfx.surface = cairo_image_surface_create_for_data
615             ((void *)pixman_image_get_data(vc->gfx.convert),
616              CAIRO_FORMAT_RGB24,
617              pixman_image_get_width(vc->gfx.convert),
618              pixman_image_get_height(vc->gfx.convert),
619              pixman_image_get_stride(vc->gfx.convert));
620         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
621                                NULL, vc->gfx.convert,
622                                0, 0, 0, 0, 0, 0,
623                                pixman_image_get_width(vc->gfx.convert),
624                                pixman_image_get_height(vc->gfx.convert));
625     }
626 
627     if (resized) {
628         gd_update_windowsize(vc);
629     } else {
630         gd_update_full_redraw(vc);
631     }
632 }
633 
634 static const DisplayChangeListenerOps dcl_ops = {
635     .dpy_name             = "gtk",
636     .dpy_gfx_update       = gd_update,
637     .dpy_gfx_switch       = gd_switch,
638     .dpy_gfx_check_format = qemu_pixman_check_format,
639     .dpy_refresh          = gd_refresh,
640     .dpy_mouse_set        = gd_mouse_set,
641     .dpy_cursor_define    = gd_cursor_define,
642 };
643 
644 
645 #if defined(CONFIG_OPENGL)
646 
647 /** DisplayState Callbacks (opengl version) **/
648 
649 #if defined(CONFIG_GTK_GL)
650 
651 static const DisplayChangeListenerOps dcl_gl_area_ops = {
652     .dpy_name             = "gtk-egl",
653     .dpy_gfx_update       = gd_gl_area_update,
654     .dpy_gfx_switch       = gd_gl_area_switch,
655     .dpy_gfx_check_format = console_gl_check_format,
656     .dpy_refresh          = gd_gl_area_refresh,
657     .dpy_mouse_set        = gd_mouse_set,
658     .dpy_cursor_define    = gd_cursor_define,
659 
660     .dpy_gl_ctx_create       = gd_gl_area_create_context,
661     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
662     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
663     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
664     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
665     .dpy_gl_update           = gd_gl_area_scanout_flush,
666 };
667 
668 #endif /* CONFIG_GTK_GL */
669 
670 static const DisplayChangeListenerOps dcl_egl_ops = {
671     .dpy_name             = "gtk-egl",
672     .dpy_gfx_update       = gd_egl_update,
673     .dpy_gfx_switch       = gd_egl_switch,
674     .dpy_gfx_check_format = console_gl_check_format,
675     .dpy_refresh          = gd_egl_refresh,
676     .dpy_mouse_set        = gd_mouse_set,
677     .dpy_cursor_define    = gd_cursor_define,
678 
679     .dpy_gl_ctx_create       = gd_egl_create_context,
680     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
681     .dpy_gl_ctx_make_current = gd_egl_make_current,
682     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
683     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
684     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
685     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
686     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
687     .dpy_gl_cursor_position  = gd_egl_cursor_position,
688     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
689     .dpy_gl_update           = gd_egl_scanout_flush,
690 };
691 
692 #endif /* CONFIG_OPENGL */
693 
694 /** QEMU Events **/
695 
696 static void gd_change_runstate(void *opaque, int running, RunState state)
697 {
698     GtkDisplayState *s = opaque;
699 
700     gd_update_caption(s);
701 }
702 
703 static void gd_mouse_mode_change(Notifier *notify, void *data)
704 {
705     GtkDisplayState *s;
706     int i;
707 
708     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
709     /* release the grab at switching to absolute mode */
710     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
711         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
712                                        FALSE);
713     }
714     for (i = 0; i < s->nb_vcs; i++) {
715         VirtualConsole *vc = &s->vc[i];
716         gd_update_cursor(vc);
717     }
718 }
719 
720 /** GTK Events **/
721 
722 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
723                                 void *opaque)
724 {
725     GtkDisplayState *s = opaque;
726     bool allow_close = true;
727 
728     if (s->opts->has_window_close && !s->opts->window_close) {
729         allow_close = false;
730     }
731 
732     if (allow_close) {
733         qmp_quit(NULL);
734     }
735 
736     return TRUE;
737 }
738 
739 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
740 {
741     QemuUIInfo info;
742 
743     memset(&info, 0, sizeof(info));
744     info.width = width;
745     info.height = height;
746     dpy_set_ui_info(vc->gfx.dcl.con, &info);
747 }
748 
749 #if defined(CONFIG_GTK_GL)
750 
751 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
752                                 void *opaque)
753 {
754     VirtualConsole *vc = opaque;
755 
756     if (vc->gfx.gls) {
757         gd_gl_area_draw(vc);
758     }
759     return TRUE;
760 }
761 
762 static void gd_resize_event(GtkGLArea *area,
763                             gint width, gint height, gpointer *opaque)
764 {
765     VirtualConsole *vc = (void *)opaque;
766 
767     gd_set_ui_info(vc, width, height);
768 }
769 
770 #endif
771 
772 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
773 {
774     VirtualConsole *vc = opaque;
775     GtkDisplayState *s = vc->s;
776     int mx, my;
777     int ww, wh;
778     int fbw, fbh;
779 
780 #if defined(CONFIG_OPENGL)
781     if (vc->gfx.gls) {
782         if (gtk_use_gl_area) {
783             /* invoke render callback please */
784             return FALSE;
785         } else {
786             gd_egl_draw(vc);
787             return TRUE;
788         }
789     }
790 #endif
791 
792     if (!gtk_widget_get_realized(widget)) {
793         return FALSE;
794     }
795     if (!vc->gfx.ds) {
796         return FALSE;
797     }
798 
799     fbw = surface_width(vc->gfx.ds);
800     fbh = surface_height(vc->gfx.ds);
801 
802     ww = gdk_window_get_width(gtk_widget_get_window(widget));
803     wh = gdk_window_get_height(gtk_widget_get_window(widget));
804 
805     if (s->full_screen) {
806         vc->gfx.scale_x = (double)ww / fbw;
807         vc->gfx.scale_y = (double)wh / fbh;
808     } else if (s->free_scale) {
809         double sx, sy;
810 
811         sx = (double)ww / fbw;
812         sy = (double)wh / fbh;
813 
814         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
815     }
816 
817     fbw *= vc->gfx.scale_x;
818     fbh *= vc->gfx.scale_y;
819 
820     mx = my = 0;
821     if (ww > fbw) {
822         mx = (ww - fbw) / 2;
823     }
824     if (wh > fbh) {
825         my = (wh - fbh) / 2;
826     }
827 
828     cairo_rectangle(cr, 0, 0, ww, wh);
829 
830     /* Optionally cut out the inner area where the pixmap
831        will be drawn. This avoids 'flashing' since we're
832        not double-buffering. Note we're using the undocumented
833        behaviour of drawing the rectangle from right to left
834        to cut out the whole */
835     cairo_rectangle(cr, mx + fbw, my,
836                     -1 * fbw, fbh);
837     cairo_fill(cr);
838 
839     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
840     cairo_set_source_surface(cr, vc->gfx.surface,
841                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
842     cairo_paint(cr);
843 
844     return TRUE;
845 }
846 
847 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
848                                 void *opaque)
849 {
850     VirtualConsole *vc = opaque;
851     GtkDisplayState *s = vc->s;
852     int x, y;
853     int mx, my;
854     int fbh, fbw;
855     int ww, wh;
856 
857     if (!vc->gfx.ds) {
858         return TRUE;
859     }
860 
861     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
862     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
863 
864     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
865     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
866 
867     mx = my = 0;
868     if (ww > fbw) {
869         mx = (ww - fbw) / 2;
870     }
871     if (wh > fbh) {
872         my = (wh - fbh) / 2;
873     }
874 
875     x = (motion->x - mx) / vc->gfx.scale_x;
876     y = (motion->y - my) / vc->gfx.scale_y;
877 
878     if (qemu_input_is_absolute()) {
879         if (x < 0 || y < 0 ||
880             x >= surface_width(vc->gfx.ds) ||
881             y >= surface_height(vc->gfx.ds)) {
882             return TRUE;
883         }
884         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
885                              0, surface_width(vc->gfx.ds));
886         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
887                              0, surface_height(vc->gfx.ds));
888         qemu_input_event_sync();
889     } else if (s->last_set && s->ptr_owner == vc) {
890         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
891         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
892         qemu_input_event_sync();
893     }
894     s->last_x = x;
895     s->last_y = y;
896     s->last_set = TRUE;
897 
898     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
899         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
900         int screen_width, screen_height;
901 
902         int x = (int)motion->x_root;
903         int y = (int)motion->y_root;
904 
905 #if GTK_CHECK_VERSION(3, 22, 0)
906         {
907             GdkDisplay *dpy = gtk_widget_get_display(widget);
908             GdkWindow *win = gtk_widget_get_window(widget);
909             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
910             GdkRectangle geometry;
911             gdk_monitor_get_geometry(monitor, &geometry);
912             screen_width = geometry.width;
913             screen_height = geometry.height;
914         }
915 #else
916         {
917             screen_width = gdk_screen_get_width(screen);
918             screen_height = gdk_screen_get_height(screen);
919         }
920 #endif
921 
922         /* In relative mode check to see if client pointer hit
923          * one of the screen edges, and if so move it back by
924          * 200 pixels. This is important because the pointer
925          * in the server doesn't correspond 1-for-1, and so
926          * may still be only half way across the screen. Without
927          * this warp, the server pointer would thus appear to hit
928          * an invisible wall */
929         if (x == 0) {
930             x += 200;
931         }
932         if (y == 0) {
933             y += 200;
934         }
935         if (x == (screen_width - 1)) {
936             x -= 200;
937         }
938         if (y == (screen_height - 1)) {
939             y -= 200;
940         }
941 
942         if (x != (int)motion->x_root || y != (int)motion->y_root) {
943             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
944             gdk_device_warp(dev, screen, x, y);
945             s->last_set = FALSE;
946             return FALSE;
947         }
948     }
949     return TRUE;
950 }
951 
952 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
953                                 void *opaque)
954 {
955     VirtualConsole *vc = opaque;
956     GtkDisplayState *s = vc->s;
957     InputButton btn;
958 
959     /* implicitly grab the input at the first click in the relative mode */
960     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
961         !qemu_input_is_absolute() && s->ptr_owner != vc) {
962         if (!vc->window) {
963             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
964                                            TRUE);
965         } else {
966             gd_grab_pointer(vc, "relative-mode-click");
967         }
968         return TRUE;
969     }
970 
971     if (button->button == 1) {
972         btn = INPUT_BUTTON_LEFT;
973     } else if (button->button == 2) {
974         btn = INPUT_BUTTON_MIDDLE;
975     } else if (button->button == 3) {
976         btn = INPUT_BUTTON_RIGHT;
977     } else if (button->button == 8) {
978         btn = INPUT_BUTTON_SIDE;
979     } else if (button->button == 9) {
980         btn = INPUT_BUTTON_EXTRA;
981     } else {
982         return TRUE;
983     }
984 
985     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
986                          button->type == GDK_BUTTON_PRESS);
987     qemu_input_event_sync();
988     return TRUE;
989 }
990 
991 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
992                                 void *opaque)
993 {
994     VirtualConsole *vc = opaque;
995     InputButton btn;
996 
997     if (scroll->direction == GDK_SCROLL_UP) {
998         btn = INPUT_BUTTON_WHEEL_UP;
999     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1000         btn = INPUT_BUTTON_WHEEL_DOWN;
1001     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1002         gdouble delta_x, delta_y;
1003         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1004                                          &delta_x, &delta_y)) {
1005             return TRUE;
1006         }
1007         if (delta_y > 0) {
1008             btn = INPUT_BUTTON_WHEEL_DOWN;
1009         } else {
1010             btn = INPUT_BUTTON_WHEEL_UP;
1011         }
1012     } else {
1013         return TRUE;
1014     }
1015 
1016     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1017     qemu_input_event_sync();
1018     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1019     qemu_input_event_sync();
1020     return TRUE;
1021 }
1022 
1023 
1024 static const guint16 *gd_get_keymap(size_t *maplen)
1025 {
1026     GdkDisplay *dpy = gdk_display_get_default();
1027 
1028 #ifdef GDK_WINDOWING_X11
1029     if (GDK_IS_X11_DISPLAY(dpy)) {
1030         trace_gd_keymap_windowing("x11");
1031         return qemu_xkeymap_mapping_table(
1032             gdk_x11_display_get_xdisplay(dpy), maplen);
1033     }
1034 #endif
1035 
1036 #ifdef GDK_WINDOWING_WAYLAND
1037     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1038         trace_gd_keymap_windowing("wayland");
1039         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1040         return qemu_input_map_xorgevdev_to_qcode;
1041     }
1042 #endif
1043 
1044 #ifdef GDK_WINDOWING_WIN32
1045     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1046         trace_gd_keymap_windowing("win32");
1047         *maplen = qemu_input_map_win32_to_qcode_len;
1048         return qemu_input_map_win32_to_qcode;
1049     }
1050 #endif
1051 
1052 #ifdef GDK_WINDOWING_QUARTZ
1053     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1054         trace_gd_keymap_windowing("quartz");
1055         *maplen = qemu_input_map_osx_to_qcode_len;
1056         return qemu_input_map_osx_to_qcode;
1057     }
1058 #endif
1059 
1060 #ifdef GDK_WINDOWING_BROADWAY
1061     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1062         trace_gd_keymap_windowing("broadway");
1063         g_warning("experimental: using broadway, x11 virtual keysym\n"
1064                   "mapping - with very limited support. See also\n"
1065                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1066         *maplen = qemu_input_map_x11_to_qcode_len;
1067         return qemu_input_map_x11_to_qcode;
1068     }
1069 #endif
1070 
1071     g_warning("Unsupported GDK Windowing platform.\n"
1072               "Disabling extended keycode tables.\n"
1073               "Please report to qemu-devel@nongnu.org\n"
1074               "including the following information:\n"
1075               "\n"
1076               "  - Operating system\n"
1077               "  - GDK Windowing system build\n");
1078     return NULL;
1079 }
1080 
1081 
1082 static int gd_map_keycode(int scancode)
1083 {
1084     if (!keycode_map) {
1085         return 0;
1086     }
1087     if (scancode > keycode_maplen) {
1088         return 0;
1089     }
1090 
1091     return keycode_map[scancode];
1092 }
1093 
1094 static gboolean gd_text_key_down(GtkWidget *widget,
1095                                  GdkEventKey *key, void *opaque)
1096 {
1097     VirtualConsole *vc = opaque;
1098     QemuConsole *con = vc->gfx.dcl.con;
1099 
1100     if (key->keyval == GDK_KEY_Delete) {
1101         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1102     } else if (key->length) {
1103         kbd_put_string_console(con, key->string, key->length);
1104     } else {
1105         int qcode = gd_map_keycode(key->hardware_keycode);
1106         kbd_put_qcode_console(con, qcode, false);
1107     }
1108     return TRUE;
1109 }
1110 
1111 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1112 {
1113     VirtualConsole *vc = opaque;
1114     GtkDisplayState *s = vc->s;
1115     int qcode;
1116     int i;
1117 
1118     if (s->ignore_keys) {
1119         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1120         return TRUE;
1121     }
1122 
1123 #ifdef WIN32
1124     /* on windows, we ought to ignore the reserved key event? */
1125     if (key->hardware_keycode == 0xff)
1126         return false;
1127 #endif
1128 
1129     if (key->keyval == GDK_KEY_Pause
1130 #ifdef G_OS_WIN32
1131         /* for some reason GDK does not fill keyval for VK_PAUSE
1132          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1133          */
1134         || key->hardware_keycode == VK_PAUSE
1135 #endif
1136         ) {
1137         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1138                                         key->type == GDK_KEY_PRESS);
1139         return TRUE;
1140     }
1141 
1142     qcode = gd_map_keycode(key->hardware_keycode);
1143 
1144     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1145                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1146 
1147     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1148         if (qcode == modifier_keycode[i]) {
1149             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1150         }
1151     }
1152 
1153     qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode,
1154                                     key->type == GDK_KEY_PRESS);
1155 
1156     return TRUE;
1157 }
1158 
1159 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1160 {
1161     if (event->type == GDK_MOTION_NOTIFY) {
1162         return gd_motion_event(widget, &event->motion, opaque);
1163     }
1164     return FALSE;
1165 }
1166 
1167 /** Window Menu Actions **/
1168 
1169 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1170 {
1171     GtkDisplayState *s = opaque;
1172 
1173     if (s->external_pause_update) {
1174         return;
1175     }
1176     if (runstate_is_running()) {
1177         qmp_stop(NULL);
1178     } else {
1179         qmp_cont(NULL);
1180     }
1181 }
1182 
1183 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1184 {
1185     qmp_system_reset(NULL);
1186 }
1187 
1188 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1189 {
1190     qmp_system_powerdown(NULL);
1191 }
1192 
1193 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1194 {
1195     qmp_quit(NULL);
1196 }
1197 
1198 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1199 {
1200     GtkDisplayState *s = opaque;
1201     VirtualConsole *vc = gd_vc_find_by_menu(s);
1202     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1203     gint page;
1204 
1205     gtk_release_modifiers(s);
1206     if (vc) {
1207         page = gtk_notebook_page_num(nb, vc->tab_item);
1208         gtk_notebook_set_current_page(nb, page);
1209         gtk_widget_grab_focus(vc->focus);
1210     }
1211     s->ignore_keys = false;
1212 }
1213 
1214 static void gd_accel_switch_vc(void *opaque)
1215 {
1216     VirtualConsole *vc = opaque;
1217 
1218     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1219 }
1220 
1221 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1222 {
1223     GtkDisplayState *s = opaque;
1224     VirtualConsole *vc = gd_vc_find_current(s);
1225 
1226     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1227         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1228     } else {
1229         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1230     }
1231     gd_update_windowsize(vc);
1232 }
1233 
1234 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1235                                     void *opaque)
1236 {
1237     VirtualConsole *vc = opaque;
1238     GtkDisplayState *s = vc->s;
1239 
1240     gtk_widget_set_sensitive(vc->menu_item, true);
1241     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1242     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1243                                     vc->tab_item, vc->label);
1244     gtk_widget_destroy(vc->window);
1245     vc->window = NULL;
1246     return TRUE;
1247 }
1248 
1249 static gboolean gd_win_grab(void *opaque)
1250 {
1251     VirtualConsole *vc = opaque;
1252 
1253     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1254     if (vc->s->ptr_owner) {
1255         gd_ungrab_pointer(vc->s);
1256     } else {
1257         gd_grab_pointer(vc, "user-request-detached-tab");
1258     }
1259     return TRUE;
1260 }
1261 
1262 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1263 {
1264     GtkDisplayState *s = opaque;
1265     VirtualConsole *vc = gd_vc_find_current(s);
1266 
1267     if (vc->type == GD_VC_GFX &&
1268         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1269         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1270                                        FALSE);
1271     }
1272     if (!vc->window) {
1273         gtk_widget_set_sensitive(vc->menu_item, false);
1274         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1275         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1276 
1277         g_signal_connect(vc->window, "delete-event",
1278                          G_CALLBACK(gd_tab_window_close), vc);
1279         gtk_widget_show_all(vc->window);
1280 
1281         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1282             GtkAccelGroup *ag = gtk_accel_group_new();
1283             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1284 
1285             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1286                                                vc, NULL);
1287             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1288         }
1289 
1290         gd_update_geometry_hints(vc);
1291         gd_update_caption(s);
1292     }
1293 }
1294 
1295 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1296 {
1297     GtkDisplayState *s = opaque;
1298     VirtualConsole *vc = gd_vc_find_current(s);
1299 
1300     if (s->full_screen) {
1301         return;
1302     }
1303 
1304     if (gtk_check_menu_item_get_active(
1305                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1306         gtk_widget_show(s->menu_bar);
1307     } else {
1308         gtk_widget_hide(s->menu_bar);
1309     }
1310     gd_update_windowsize(vc);
1311 }
1312 
1313 static void gd_accel_show_menubar(void *opaque)
1314 {
1315     GtkDisplayState *s = opaque;
1316     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1317 }
1318 
1319 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1320 {
1321     GtkDisplayState *s = opaque;
1322     VirtualConsole *vc = gd_vc_find_current(s);
1323 
1324     if (!s->full_screen) {
1325         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1326         gtk_widget_hide(s->menu_bar);
1327         if (vc->type == GD_VC_GFX) {
1328             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1329         }
1330         gtk_window_fullscreen(GTK_WINDOW(s->window));
1331         s->full_screen = TRUE;
1332     } else {
1333         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1334         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1335         if (gtk_check_menu_item_get_active(
1336                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1337             gtk_widget_show(s->menu_bar);
1338         }
1339         s->full_screen = FALSE;
1340         if (vc->type == GD_VC_GFX) {
1341             vc->gfx.scale_x = 1.0;
1342             vc->gfx.scale_y = 1.0;
1343             gd_update_windowsize(vc);
1344         }
1345     }
1346 
1347     gd_update_cursor(vc);
1348 }
1349 
1350 static void gd_accel_full_screen(void *opaque)
1351 {
1352     GtkDisplayState *s = opaque;
1353     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1354 }
1355 
1356 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1357 {
1358     GtkDisplayState *s = opaque;
1359     VirtualConsole *vc = gd_vc_find_current(s);
1360 
1361     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1362                                    FALSE);
1363 
1364     vc->gfx.scale_x += VC_SCALE_STEP;
1365     vc->gfx.scale_y += VC_SCALE_STEP;
1366 
1367     gd_update_windowsize(vc);
1368 }
1369 
1370 static void gd_accel_zoom_in(void *opaque)
1371 {
1372     GtkDisplayState *s = opaque;
1373     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1374 }
1375 
1376 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1377 {
1378     GtkDisplayState *s = opaque;
1379     VirtualConsole *vc = gd_vc_find_current(s);
1380 
1381     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1382                                    FALSE);
1383 
1384     vc->gfx.scale_x -= VC_SCALE_STEP;
1385     vc->gfx.scale_y -= VC_SCALE_STEP;
1386 
1387     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1388     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1389 
1390     gd_update_windowsize(vc);
1391 }
1392 
1393 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1394 {
1395     GtkDisplayState *s = opaque;
1396     VirtualConsole *vc = gd_vc_find_current(s);
1397 
1398     vc->gfx.scale_x = 1.0;
1399     vc->gfx.scale_y = 1.0;
1400 
1401     gd_update_windowsize(vc);
1402 }
1403 
1404 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1405 {
1406     GtkDisplayState *s = opaque;
1407     VirtualConsole *vc = gd_vc_find_current(s);
1408 
1409     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1410         s->free_scale = TRUE;
1411     } else {
1412         s->free_scale = FALSE;
1413         vc->gfx.scale_x = 1.0;
1414         vc->gfx.scale_y = 1.0;
1415     }
1416 
1417     gd_update_windowsize(vc);
1418     gd_update_full_redraw(vc);
1419 }
1420 
1421 #if GTK_CHECK_VERSION(3, 20, 0)
1422 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1423 {
1424     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1425     GdkSeat *seat = gdk_display_get_default_seat(display);
1426     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1427     GdkSeatCapabilities caps = 0;
1428     GdkCursor *cursor = NULL;
1429 
1430     if (kbd) {
1431         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1432     }
1433     if (ptr) {
1434         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1435         cursor = vc->s->null_cursor;
1436     }
1437 
1438     if (caps) {
1439         gdk_seat_grab(seat, window, caps, false, cursor,
1440                       NULL, NULL, NULL);
1441     } else {
1442         gdk_seat_ungrab(seat);
1443     }
1444 }
1445 #else
1446 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1447                             GdkInputSource source, GdkEventMask mask,
1448                             GdkCursor *cursor)
1449 {
1450     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1451     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1452     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1453     GList *tmp = devs;
1454 
1455     for (tmp = devs; tmp; tmp = tmp->next) {
1456         GdkDevice *dev = tmp->data;
1457         if (gdk_device_get_source(dev) != source) {
1458             continue;
1459         }
1460         if (grab) {
1461             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1462             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1463                             mask, cursor, GDK_CURRENT_TIME);
1464         } else {
1465             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1466         }
1467     }
1468     g_list_free(devs);
1469 }
1470 #endif
1471 
1472 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1473 {
1474     if (vc->s->kbd_owner) {
1475         if (vc->s->kbd_owner == vc) {
1476             return;
1477         } else {
1478             gd_ungrab_keyboard(vc->s);
1479         }
1480     }
1481 
1482 #if GTK_CHECK_VERSION(3, 20, 0)
1483     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1484 #else
1485     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1486                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1487                    NULL);
1488 #endif
1489     vc->s->kbd_owner = vc;
1490     gd_update_caption(vc->s);
1491     trace_gd_grab(vc->label, "kbd", reason);
1492 }
1493 
1494 static void gd_ungrab_keyboard(GtkDisplayState *s)
1495 {
1496     VirtualConsole *vc = s->kbd_owner;
1497 
1498     if (vc == NULL) {
1499         return;
1500     }
1501     s->kbd_owner = NULL;
1502 
1503 #if GTK_CHECK_VERSION(3, 20, 0)
1504     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1505 #else
1506     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1507 #endif
1508     gd_update_caption(s);
1509     trace_gd_ungrab(vc->label, "kbd");
1510 }
1511 
1512 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1513 {
1514     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1515 
1516     if (vc->s->ptr_owner) {
1517         if (vc->s->ptr_owner == vc) {
1518             return;
1519         } else {
1520             gd_ungrab_pointer(vc->s);
1521         }
1522     }
1523 
1524 #if GTK_CHECK_VERSION(3, 20, 0)
1525     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1526     gdk_device_get_position(gd_get_pointer(display),
1527                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1528 #else
1529     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1530                     GDK_POINTER_MOTION_MASK |
1531                     GDK_BUTTON_PRESS_MASK |
1532                     GDK_BUTTON_RELEASE_MASK |
1533                     GDK_BUTTON_MOTION_MASK |
1534                     GDK_SCROLL_MASK,
1535                     vc->s->null_cursor);
1536     gdk_device_get_position(gd_get_pointer(display),
1537                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1538 #endif
1539     vc->s->ptr_owner = vc;
1540     gd_update_caption(vc->s);
1541     trace_gd_grab(vc->label, "ptr", reason);
1542 }
1543 
1544 static void gd_ungrab_pointer(GtkDisplayState *s)
1545 {
1546     VirtualConsole *vc = s->ptr_owner;
1547     GdkDisplay *display;
1548 
1549     if (vc == NULL) {
1550         return;
1551     }
1552     s->ptr_owner = NULL;
1553 
1554     display = gtk_widget_get_display(vc->gfx.drawing_area);
1555 #if GTK_CHECK_VERSION(3, 20, 0)
1556     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1557     gdk_device_warp(gd_get_pointer(display),
1558                     gtk_widget_get_screen(vc->gfx.drawing_area),
1559                     vc->s->grab_x_root, vc->s->grab_y_root);
1560 #else
1561     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1562     gdk_device_warp(gd_get_pointer(display),
1563                     gtk_widget_get_screen(vc->gfx.drawing_area),
1564                     vc->s->grab_x_root, vc->s->grab_y_root);
1565 #endif
1566     gd_update_caption(s);
1567     trace_gd_ungrab(vc->label, "ptr");
1568 }
1569 
1570 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1571 {
1572     GtkDisplayState *s = opaque;
1573     VirtualConsole *vc = gd_vc_find_current(s);
1574 
1575     if (gd_is_grab_active(s)) {
1576         gd_grab_keyboard(vc, "user-request-main-window");
1577         gd_grab_pointer(vc, "user-request-main-window");
1578     } else {
1579         gd_ungrab_keyboard(s);
1580         gd_ungrab_pointer(s);
1581     }
1582 
1583     gd_update_cursor(vc);
1584 }
1585 
1586 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1587                            gpointer data)
1588 {
1589     GtkDisplayState *s = data;
1590     VirtualConsole *vc;
1591     gboolean on_vga;
1592 
1593     if (!gtk_widget_get_realized(s->notebook)) {
1594         return;
1595     }
1596 
1597     vc = gd_vc_find_by_page(s, arg2);
1598     if (!vc) {
1599         return;
1600     }
1601     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1602                                    TRUE);
1603     on_vga = (vc->type == GD_VC_GFX &&
1604               qemu_console_is_graphic(vc->gfx.dcl.con));
1605     if (!on_vga) {
1606         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1607                                        FALSE);
1608     } else if (s->full_screen) {
1609         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1610                                        TRUE);
1611     }
1612     gtk_widget_set_sensitive(s->grab_item, on_vga);
1613 #ifdef CONFIG_VTE
1614     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1615 #endif
1616 
1617     gd_update_windowsize(vc);
1618     gd_update_cursor(vc);
1619 }
1620 
1621 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1622                                gpointer opaque)
1623 {
1624     VirtualConsole *vc = opaque;
1625     GtkDisplayState *s = vc->s;
1626 
1627     if (gd_grab_on_hover(s)) {
1628         gd_grab_keyboard(vc, "grab-on-hover");
1629     }
1630     return TRUE;
1631 }
1632 
1633 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1634                                gpointer opaque)
1635 {
1636     VirtualConsole *vc = opaque;
1637     GtkDisplayState *s = vc->s;
1638 
1639     if (gd_grab_on_hover(s)) {
1640         gd_ungrab_keyboard(s);
1641     }
1642     return TRUE;
1643 }
1644 
1645 static gboolean gd_focus_out_event(GtkWidget *widget,
1646                                    GdkEventCrossing *crossing, gpointer opaque)
1647 {
1648     VirtualConsole *vc = opaque;
1649     GtkDisplayState *s = vc->s;
1650 
1651     gtk_release_modifiers(s);
1652     return TRUE;
1653 }
1654 
1655 static gboolean gd_configure(GtkWidget *widget,
1656                              GdkEventConfigure *cfg, gpointer opaque)
1657 {
1658     VirtualConsole *vc = opaque;
1659 
1660     gd_set_ui_info(vc, cfg->width, cfg->height);
1661     return FALSE;
1662 }
1663 
1664 /** Virtual Console Callbacks **/
1665 
1666 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1667                                int idx, GSList *group, GtkWidget *view_menu)
1668 {
1669     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1670     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1671             HOTKEY_MODIFIERS, 0,
1672             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1673     gtk_accel_label_set_accel(
1674             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1675             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1676 
1677     g_signal_connect(vc->menu_item, "activate",
1678                      G_CALLBACK(gd_menu_switch_vc), s);
1679     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1680 
1681     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1682     return group;
1683 }
1684 
1685 #if defined(CONFIG_VTE)
1686 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1687 {
1688     GtkDisplayState *s = opaque;
1689     VirtualConsole *vc = gd_vc_find_current(s);
1690 
1691 #if VTE_CHECK_VERSION(0, 50, 0)
1692     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1693                                        VTE_FORMAT_TEXT);
1694 #else
1695     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1696 #endif
1697 }
1698 
1699 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1700 {
1701     VirtualConsole *vc = opaque;
1702 
1703     if (gtk_adjustment_get_upper(adjustment) >
1704         gtk_adjustment_get_page_size(adjustment)) {
1705         gtk_widget_show(vc->vte.scrollbar);
1706     } else {
1707         gtk_widget_hide(vc->vte.scrollbar);
1708     }
1709 }
1710 
1711 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1712 {
1713     VCChardev *vcd = VC_CHARDEV(chr);
1714     VirtualConsole *vc = vcd->console;
1715 
1716     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1717     return len;
1718 }
1719 
1720 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1721 {
1722     VCChardev *vcd = VC_CHARDEV(chr);
1723     VirtualConsole *vc = vcd->console;
1724 
1725     if (vc) {
1726         vc->vte.echo = echo;
1727     } else {
1728         vcd->echo = echo;
1729     }
1730 }
1731 
1732 static int nb_vcs;
1733 static Chardev *vcs[MAX_VCS];
1734 static void gd_vc_open(Chardev *chr,
1735                        ChardevBackend *backend,
1736                        bool *be_opened,
1737                        Error **errp)
1738 {
1739     if (nb_vcs == MAX_VCS) {
1740         error_setg(errp, "Maximum number of consoles reached");
1741         return;
1742     }
1743 
1744     vcs[nb_vcs++] = chr;
1745 
1746     /* console/chardev init sometimes completes elsewhere in a 2nd
1747      * stage, so defer OPENED events until they are fully initialized
1748      */
1749     *be_opened = false;
1750 }
1751 
1752 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1753 {
1754     ChardevClass *cc = CHARDEV_CLASS(oc);
1755 
1756     cc->parse = qemu_chr_parse_vc;
1757     cc->open = gd_vc_open;
1758     cc->chr_write = gd_vc_chr_write;
1759     cc->chr_set_echo = gd_vc_chr_set_echo;
1760 }
1761 
1762 static const TypeInfo char_gd_vc_type_info = {
1763     .name = TYPE_CHARDEV_VC,
1764     .parent = TYPE_CHARDEV,
1765     .instance_size = sizeof(VCChardev),
1766     .class_init = char_gd_vc_class_init,
1767 };
1768 
1769 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1770                          gpointer user_data)
1771 {
1772     VirtualConsole *vc = user_data;
1773 
1774     if (vc->vte.echo) {
1775         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1776         int i;
1777         for (i = 0; i < size; i++) {
1778             uint8_t c = text[i];
1779             if (c >= 128 || isprint(c)) {
1780                 /* 8-bit characters are considered printable.  */
1781                 vte_terminal_feed(term, &text[i], 1);
1782             } else if (c == '\r' || c == '\n') {
1783                 vte_terminal_feed(term, "\r\n", 2);
1784             } else {
1785                 char ctrl[2] = { '^', 0};
1786                 ctrl[1] = text[i] ^ 64;
1787                 vte_terminal_feed(term, ctrl, 2);
1788             }
1789         }
1790     }
1791 
1792     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1793     return TRUE;
1794 }
1795 
1796 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1797                               Chardev *chr, int idx,
1798                               GSList *group, GtkWidget *view_menu)
1799 {
1800     char buffer[32];
1801     GtkWidget *box;
1802     GtkWidget *scrollbar;
1803     GtkAdjustment *vadjustment;
1804     VCChardev *vcd = VC_CHARDEV(chr);
1805 
1806     vc->s = s;
1807     vc->vte.echo = vcd->echo;
1808     vc->vte.chr = chr;
1809     vcd->console = vc;
1810 
1811     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1812     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1813                                 ? vc->vte.chr->label : buffer);
1814     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1815 
1816     vc->vte.terminal = vte_terminal_new();
1817     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1818 
1819     /* The documentation says that the default is UTF-8, but actually it is
1820      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1821      * VTE 0.54 (only UTF-8 is supported now). */
1822 #if !VTE_CHECK_VERSION(0, 54, 0)
1823 #if VTE_CHECK_VERSION(0, 38, 0)
1824     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1825 #else
1826     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1827 #endif
1828 #endif
1829 
1830     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1831     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1832                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1833 
1834 #if VTE_CHECK_VERSION(0, 28, 0)
1835     vadjustment = gtk_scrollable_get_vadjustment
1836         (GTK_SCROLLABLE(vc->vte.terminal));
1837 #else
1838     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1839 #endif
1840 
1841     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1842     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1843 
1844     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1845     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1846 
1847     vc->vte.box = box;
1848     vc->vte.scrollbar = scrollbar;
1849 
1850     g_signal_connect(vadjustment, "changed",
1851                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1852 
1853     vc->type = GD_VC_VTE;
1854     vc->tab_item = box;
1855     vc->focus = vc->vte.terminal;
1856     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1857                              gtk_label_new(vc->label));
1858 
1859     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1860 
1861     return group;
1862 }
1863 
1864 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1865                         GtkWidget *view_menu)
1866 {
1867     int i;
1868 
1869     for (i = 0; i < nb_vcs; i++) {
1870         VirtualConsole *vc = &s->vc[s->nb_vcs];
1871         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1872         s->nb_vcs++;
1873     }
1874 }
1875 #endif /* CONFIG_VTE */
1876 
1877 /** Window Creation **/
1878 
1879 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1880 {
1881     g_signal_connect(vc->gfx.drawing_area, "draw",
1882                      G_CALLBACK(gd_draw_event), vc);
1883 #if defined(CONFIG_GTK_GL)
1884     if (gtk_use_gl_area) {
1885         /* wire up GtkGlArea events */
1886         g_signal_connect(vc->gfx.drawing_area, "render",
1887                          G_CALLBACK(gd_render_event), vc);
1888         g_signal_connect(vc->gfx.drawing_area, "resize",
1889                          G_CALLBACK(gd_resize_event), vc);
1890     }
1891 #endif
1892     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1893         g_signal_connect(vc->gfx.drawing_area, "event",
1894                          G_CALLBACK(gd_event), vc);
1895         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1896                          G_CALLBACK(gd_button_event), vc);
1897         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1898                          G_CALLBACK(gd_button_event), vc);
1899         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1900                          G_CALLBACK(gd_scroll_event), vc);
1901         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1902                          G_CALLBACK(gd_key_event), vc);
1903         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1904                          G_CALLBACK(gd_key_event), vc);
1905 
1906         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1907                          G_CALLBACK(gd_enter_event), vc);
1908         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1909                          G_CALLBACK(gd_leave_event), vc);
1910         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1911                          G_CALLBACK(gd_focus_out_event), vc);
1912         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1913                          G_CALLBACK(gd_configure), vc);
1914     } else {
1915         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1916                          G_CALLBACK(gd_text_key_down), vc);
1917     }
1918 }
1919 
1920 static void gd_connect_signals(GtkDisplayState *s)
1921 {
1922     g_signal_connect(s->show_tabs_item, "activate",
1923                      G_CALLBACK(gd_menu_show_tabs), s);
1924     g_signal_connect(s->untabify_item, "activate",
1925                      G_CALLBACK(gd_menu_untabify), s);
1926     g_signal_connect(s->show_menubar_item, "activate",
1927                      G_CALLBACK(gd_menu_show_menubar), s);
1928 
1929     g_signal_connect(s->window, "delete-event",
1930                      G_CALLBACK(gd_window_close), s);
1931 
1932     g_signal_connect(s->pause_item, "activate",
1933                      G_CALLBACK(gd_menu_pause), s);
1934     g_signal_connect(s->reset_item, "activate",
1935                      G_CALLBACK(gd_menu_reset), s);
1936     g_signal_connect(s->powerdown_item, "activate",
1937                      G_CALLBACK(gd_menu_powerdown), s);
1938     g_signal_connect(s->quit_item, "activate",
1939                      G_CALLBACK(gd_menu_quit), s);
1940 #if defined(CONFIG_VTE)
1941     g_signal_connect(s->copy_item, "activate",
1942                      G_CALLBACK(gd_menu_copy), s);
1943 #endif
1944     g_signal_connect(s->full_screen_item, "activate",
1945                      G_CALLBACK(gd_menu_full_screen), s);
1946     g_signal_connect(s->zoom_in_item, "activate",
1947                      G_CALLBACK(gd_menu_zoom_in), s);
1948     g_signal_connect(s->zoom_out_item, "activate",
1949                      G_CALLBACK(gd_menu_zoom_out), s);
1950     g_signal_connect(s->zoom_fixed_item, "activate",
1951                      G_CALLBACK(gd_menu_zoom_fixed), s);
1952     g_signal_connect(s->zoom_fit_item, "activate",
1953                      G_CALLBACK(gd_menu_zoom_fit), s);
1954     g_signal_connect(s->grab_item, "activate",
1955                      G_CALLBACK(gd_menu_grab_input), s);
1956     g_signal_connect(s->notebook, "switch-page",
1957                      G_CALLBACK(gd_change_page), s);
1958 }
1959 
1960 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1961 {
1962     GtkWidget *machine_menu;
1963     GtkWidget *separator;
1964 
1965     machine_menu = gtk_menu_new();
1966     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1967 
1968     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1969     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1970 
1971     separator = gtk_separator_menu_item_new();
1972     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1973 
1974     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1975     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1976 
1977     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1978     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1979 
1980     separator = gtk_separator_menu_item_new();
1981     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1982 
1983     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1984     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1985                                  "<QEMU>/Machine/Quit");
1986     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1987                             GDK_KEY_q, HOTKEY_MODIFIERS);
1988     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1989 
1990     return machine_menu;
1991 }
1992 
1993 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1994                               QemuConsole *con, int idx,
1995                               GSList *group, GtkWidget *view_menu)
1996 {
1997     bool zoom_to_fit = false;
1998 
1999     vc->label = qemu_console_get_label(con);
2000     vc->s = s;
2001     vc->gfx.scale_x = 1.0;
2002     vc->gfx.scale_y = 1.0;
2003 
2004 #if defined(CONFIG_OPENGL)
2005     if (display_opengl) {
2006 #if defined(CONFIG_GTK_GL)
2007         if (gtk_use_gl_area) {
2008             vc->gfx.drawing_area = gtk_gl_area_new();
2009             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2010         } else
2011 #endif /* CONFIG_GTK_GL */
2012         {
2013             vc->gfx.drawing_area = gtk_drawing_area_new();
2014             /*
2015              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2016              * It is required for opengl rendering on X11 though.  A
2017              * proper replacement (native opengl support) is only
2018              * available in 3.16+.  Silence the warning if possible.
2019              */
2020 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2021 #pragma GCC diagnostic push
2022 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2023 #endif
2024             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2025 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2026 #pragma GCC diagnostic pop
2027 #endif
2028             vc->gfx.dcl.ops = &dcl_egl_ops;
2029         }
2030     } else
2031 #endif
2032     {
2033         vc->gfx.drawing_area = gtk_drawing_area_new();
2034         vc->gfx.dcl.ops = &dcl_ops;
2035     }
2036 
2037 
2038     gtk_widget_add_events(vc->gfx.drawing_area,
2039                           GDK_POINTER_MOTION_MASK |
2040                           GDK_BUTTON_PRESS_MASK |
2041                           GDK_BUTTON_RELEASE_MASK |
2042                           GDK_BUTTON_MOTION_MASK |
2043                           GDK_ENTER_NOTIFY_MASK |
2044                           GDK_LEAVE_NOTIFY_MASK |
2045                           GDK_SCROLL_MASK |
2046                           GDK_KEY_PRESS_MASK);
2047     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2048 
2049     vc->type = GD_VC_GFX;
2050     vc->tab_item = vc->gfx.drawing_area;
2051     vc->focus = vc->gfx.drawing_area;
2052     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2053                              vc->tab_item, gtk_label_new(vc->label));
2054 
2055     vc->gfx.dcl.con = con;
2056     register_displaychangelistener(&vc->gfx.dcl);
2057 
2058     gd_connect_vc_gfx_signals(vc);
2059     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2060 
2061     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2062         zoom_to_fit = true;
2063     }
2064     if (s->opts->u.gtk.has_zoom_to_fit) {
2065         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2066     }
2067     if (zoom_to_fit) {
2068         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2069         s->free_scale = true;
2070     }
2071 
2072     return group;
2073 }
2074 
2075 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2076 {
2077     GSList *group = NULL;
2078     GtkWidget *view_menu;
2079     GtkWidget *separator;
2080     QemuConsole *con;
2081     int vc;
2082 
2083     view_menu = gtk_menu_new();
2084     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2085 
2086     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2087 
2088 #if defined(CONFIG_VTE)
2089     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2090     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2091 #endif
2092 
2093     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2094             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2095     gtk_accel_label_set_accel(
2096             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2097             GDK_KEY_f, HOTKEY_MODIFIERS);
2098     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2099 
2100     separator = gtk_separator_menu_item_new();
2101     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2102 
2103     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2104     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2105                                  "<QEMU>/View/Zoom In");
2106     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2107                             HOTKEY_MODIFIERS);
2108     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2109             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2110     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2111 
2112     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2113     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2114                                  "<QEMU>/View/Zoom Out");
2115     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2116                             HOTKEY_MODIFIERS);
2117     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2118 
2119     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2120     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2121                                  "<QEMU>/View/Zoom Fixed");
2122     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2123                             HOTKEY_MODIFIERS);
2124     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2125 
2126     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2127     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2128 
2129     separator = gtk_separator_menu_item_new();
2130     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2131 
2132     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2133     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2134 
2135     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2136     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2137                                  "<QEMU>/View/Grab Input");
2138     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2139                             HOTKEY_MODIFIERS);
2140     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2141 
2142     separator = gtk_separator_menu_item_new();
2143     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2144 
2145     /* gfx */
2146     for (vc = 0;; vc++) {
2147         con = qemu_console_lookup_by_index(vc);
2148         if (!con) {
2149             break;
2150         }
2151         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2152                                vc, group, view_menu);
2153         s->nb_vcs++;
2154     }
2155 
2156 #if defined(CONFIG_VTE)
2157     /* vte */
2158     gd_vcs_init(s, group, view_menu);
2159 #endif
2160 
2161     separator = gtk_separator_menu_item_new();
2162     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2163 
2164     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2165     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2166 
2167     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2168     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2169 
2170     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2171             _("Show Menubar"));
2172     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2173                                    TRUE);
2174     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2175             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2176     gtk_accel_label_set_accel(
2177             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2178             GDK_KEY_m, HOTKEY_MODIFIERS);
2179     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2180 
2181     return view_menu;
2182 }
2183 
2184 static void gd_create_menus(GtkDisplayState *s)
2185 {
2186     GtkSettings *settings;
2187 
2188     s->accel_group = gtk_accel_group_new();
2189     s->machine_menu = gd_create_menu_machine(s);
2190     s->view_menu = gd_create_menu_view(s);
2191 
2192     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2193     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2194                               s->machine_menu);
2195     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2196 
2197     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2198     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2199     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2200 
2201     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2202     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2203 
2204     /* Disable the default "F10" menu shortcut. */
2205     settings = gtk_widget_get_settings(s->window);
2206     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2207 }
2208 
2209 
2210 static gboolean gtkinit;
2211 
2212 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2213 {
2214     VirtualConsole *vc;
2215 
2216     GtkDisplayState *s = g_malloc0(sizeof(*s));
2217     char *filename;
2218     GdkDisplay *window_display;
2219 
2220     if (!gtkinit) {
2221         fprintf(stderr, "gtk initialization failed\n");
2222         exit(1);
2223     }
2224     assert(opts->type == DISPLAY_TYPE_GTK);
2225     s->opts = opts;
2226 
2227     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2228     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2229     s->notebook = gtk_notebook_new();
2230     s->menu_bar = gtk_menu_bar_new();
2231 
2232     s->free_scale = FALSE;
2233 
2234     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2235      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2236      * printable, but without changing any of the character classes to make
2237      * sure that we don't accidentally break implicit assumptions.  */
2238     setlocale(LC_MESSAGES, "");
2239     setlocale(LC_CTYPE, "C.UTF-8");
2240     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2241     textdomain("qemu");
2242 
2243     window_display = gtk_widget_get_display(s->window);
2244     s->null_cursor = gdk_cursor_new_for_display(window_display,
2245                                                 GDK_BLANK_CURSOR);
2246 
2247     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2248     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2249     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2250 
2251     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2252     if (filename) {
2253         GError *error = NULL;
2254         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2255         if (pixbuf) {
2256             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2257         } else {
2258             g_error_free(error);
2259         }
2260         g_free(filename);
2261     }
2262 
2263     gd_create_menus(s);
2264 
2265     gd_connect_signals(s);
2266 
2267     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2268     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2269 
2270     gd_update_caption(s);
2271 
2272     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2273     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2274 
2275     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2276 
2277     gtk_widget_show_all(s->window);
2278 
2279     vc = gd_vc_find_current(s);
2280     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2281 #ifdef CONFIG_VTE
2282     gtk_widget_set_sensitive(s->copy_item,
2283                              vc && vc->type == GD_VC_VTE);
2284 #endif
2285 
2286     if (opts->has_full_screen &&
2287         opts->full_screen) {
2288         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2289     }
2290     if (opts->u.gtk.has_grab_on_hover &&
2291         opts->u.gtk.grab_on_hover) {
2292         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2293     }
2294 }
2295 
2296 static void early_gtk_display_init(DisplayOptions *opts)
2297 {
2298     /* The QEMU code relies on the assumption that it's always run in
2299      * the C locale. Therefore it is not prepared to deal with
2300      * operations that produce different results depending on the
2301      * locale, such as printf's formatting of decimal numbers, and
2302      * possibly others.
2303      *
2304      * Since GTK+ calls setlocale() by default -importing the locale
2305      * settings from the environment- we must prevent it from doing so
2306      * using gtk_disable_setlocale().
2307      *
2308      * QEMU's GTK+ UI, however, _does_ have translations for some of
2309      * the menu items. As a trade-off between a functionally correct
2310      * QEMU and a fully internationalized UI we support importing
2311      * LC_MESSAGES from the environment (see the setlocale() call
2312      * earlier in this file). This allows us to display translated
2313      * messages leaving everything else untouched.
2314      */
2315     gtk_disable_setlocale();
2316     gtkinit = gtk_init_check(NULL, NULL);
2317     if (!gtkinit) {
2318         /* don't exit yet, that'll break -help */
2319         return;
2320     }
2321 
2322     assert(opts->type == DISPLAY_TYPE_GTK);
2323     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2324 #if defined(CONFIG_OPENGL)
2325 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2326         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2327             gtk_use_gl_area = true;
2328             gtk_gl_area_init();
2329         } else
2330 #endif
2331         {
2332             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2333             gtk_egl_init(mode);
2334         }
2335 #endif
2336     }
2337 
2338     keycode_map = gd_get_keymap(&keycode_maplen);
2339 
2340 #if defined(CONFIG_VTE)
2341     type_register(&char_gd_vc_type_info);
2342 #endif
2343 }
2344 
2345 static QemuDisplay qemu_display_gtk = {
2346     .type       = DISPLAY_TYPE_GTK,
2347     .early_init = early_gtk_display_init,
2348     .init       = gtk_display_init,
2349 };
2350 
2351 static void register_gtk(void)
2352 {
2353     qemu_display_register(&qemu_display_gtk);
2354 }
2355 
2356 type_init(register_gtk);
2357