xref: /openbmc/qemu/ui/gtk.c (revision bc5c4f21)
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 "qemu/cutils.h"
40 
41 #include "ui/console.h"
42 #include "ui/gtk.h"
43 
44 #include <glib/gi18n.h>
45 #include <locale.h>
46 #if defined(CONFIG_VTE)
47 #include <vte/vte.h>
48 #endif
49 #include <math.h>
50 
51 #include "trace.h"
52 #include "ui/input.h"
53 #include "sysemu/sysemu.h"
54 #include "qmp-commands.h"
55 #include "x_keymap.h"
56 #include "keymaps.h"
57 #include "sysemu/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 #if !defined(CONFIG_VTE)
69 # define VTE_CHECK_VERSION(a, b, c) 0
70 #endif
71 
72 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
73 /*
74  * The gtk2 vte terminal widget seriously messes up the window resize
75  * for some reason.  You basically can't make the qemu window smaller
76  * any more because the toplevel window geoemtry hints are overridden.
77  *
78  * Workaround that by hiding all vte widgets, except the one in the
79  * current tab.
80  *
81  * Luckily everything works smooth in gtk3.
82  */
83 # define VTE_RESIZE_HACK 1
84 #endif
85 
86 #if !GTK_CHECK_VERSION(2, 20, 0)
87 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
88 #endif
89 
90 #ifndef GDK_IS_X11_DISPLAY
91 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
92 #endif
93 #ifndef GDK_IS_WAYLAND_DISPLAY
94 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy == dpy)
95 #endif
96 #ifndef GDK_IS_WIN32_DISPLAY
97 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
98 #endif
99 
100 #if !GTK_CHECK_VERSION(2, 22, 0)
101 #define GDK_KEY_0 GDK_0
102 #define GDK_KEY_1 GDK_1
103 #define GDK_KEY_2 GDK_2
104 #define GDK_KEY_f GDK_f
105 #define GDK_KEY_g GDK_g
106 #define GDK_KEY_q GDK_q
107 #define GDK_KEY_plus GDK_plus
108 #define GDK_KEY_equal GDK_equal
109 #define GDK_KEY_minus GDK_minus
110 #define GDK_KEY_Pause GDK_Pause
111 #define GDK_KEY_Delete GDK_Delete
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     /* shift, control, alt keys, meta keys, both left & right */
127     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
128 };
129 
130 struct GtkDisplayState {
131     GtkWidget *window;
132 
133     GtkWidget *menu_bar;
134 
135     GtkAccelGroup *accel_group;
136 
137     GtkWidget *machine_menu_item;
138     GtkWidget *machine_menu;
139     GtkWidget *pause_item;
140     GtkWidget *reset_item;
141     GtkWidget *powerdown_item;
142     GtkWidget *quit_item;
143 
144     GtkWidget *view_menu_item;
145     GtkWidget *view_menu;
146     GtkWidget *full_screen_item;
147     GtkWidget *copy_item;
148     GtkWidget *zoom_in_item;
149     GtkWidget *zoom_out_item;
150     GtkWidget *zoom_fixed_item;
151     GtkWidget *zoom_fit_item;
152     GtkWidget *grab_item;
153     GtkWidget *grab_on_hover_item;
154 
155     int nb_vcs;
156     VirtualConsole vc[MAX_VCS];
157 
158     GtkWidget *show_tabs_item;
159     GtkWidget *untabify_item;
160 
161     GtkWidget *vbox;
162     GtkWidget *notebook;
163     int button_mask;
164     gboolean last_set;
165     int last_x;
166     int last_y;
167     int grab_x_root;
168     int grab_y_root;
169     VirtualConsole *kbd_owner;
170     VirtualConsole *ptr_owner;
171 
172     gboolean full_screen;
173 
174     GdkCursor *null_cursor;
175     Notifier mouse_mode_notifier;
176     gboolean free_scale;
177 
178     bool external_pause_update;
179 
180     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
181     bool has_evdev;
182     bool ignore_keys;
183 };
184 
185 typedef struct VCChardev {
186     Chardev parent;
187     VirtualConsole *console;
188     bool echo;
189 } VCChardev;
190 
191 #define TYPE_CHARDEV_VC "chardev-vc"
192 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
193 
194 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
195 static void gd_ungrab_pointer(GtkDisplayState *s);
196 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
197 static void gd_ungrab_keyboard(GtkDisplayState *s);
198 
199 /** Utility Functions **/
200 
201 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
202 {
203     VirtualConsole *vc;
204     gint i;
205 
206     for (i = 0; i < s->nb_vcs; i++) {
207         vc = &s->vc[i];
208         if (gtk_check_menu_item_get_active
209             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
210             return vc;
211         }
212     }
213     return NULL;
214 }
215 
216 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
217 {
218     VirtualConsole *vc;
219     gint i, p;
220 
221     for (i = 0; i < s->nb_vcs; i++) {
222         vc = &s->vc[i];
223         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
224         if (p == page) {
225             return vc;
226         }
227     }
228     return NULL;
229 }
230 
231 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
232 {
233     gint page;
234 
235     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
236     return gd_vc_find_by_page(s, page);
237 }
238 
239 static bool gd_is_grab_active(GtkDisplayState *s)
240 {
241     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
242 }
243 
244 static bool gd_grab_on_hover(GtkDisplayState *s)
245 {
246     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
247 }
248 
249 static void gd_update_cursor(VirtualConsole *vc)
250 {
251     GtkDisplayState *s = vc->s;
252     GdkWindow *window;
253 
254     if (vc->type != GD_VC_GFX ||
255         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
256         return;
257     }
258 
259     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
260         return;
261     }
262 
263     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
264     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
265         gdk_window_set_cursor(window, s->null_cursor);
266     } else {
267         gdk_window_set_cursor(window, NULL);
268     }
269 }
270 
271 static void gd_update_caption(GtkDisplayState *s)
272 {
273     const char *status = "";
274     gchar *prefix;
275     gchar *title;
276     const char *grab = "";
277     bool is_paused = !runstate_is_running();
278     int i;
279 
280     if (qemu_name) {
281         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
282     } else {
283         prefix = g_strdup_printf("QEMU");
284     }
285 
286     if (s->ptr_owner != NULL &&
287         s->ptr_owner->window == NULL) {
288         grab = _(" - Press Ctrl+Alt+G to release grab");
289     }
290 
291     if (is_paused) {
292         status = _(" [Paused]");
293     }
294     s->external_pause_update = true;
295     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
296                                    is_paused);
297     s->external_pause_update = false;
298 
299     title = g_strdup_printf("%s%s%s", prefix, status, grab);
300     gtk_window_set_title(GTK_WINDOW(s->window), title);
301     g_free(title);
302 
303     for (i = 0; i < s->nb_vcs; i++) {
304         VirtualConsole *vc = &s->vc[i];
305 
306         if (!vc->window) {
307             continue;
308         }
309         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
310                                 vc == s->kbd_owner ? " +kbd" : "",
311                                 vc == s->ptr_owner ? " +ptr" : "");
312         gtk_window_set_title(GTK_WINDOW(vc->window), title);
313         g_free(title);
314     }
315 
316     g_free(prefix);
317 }
318 
319 static void gd_update_geometry_hints(VirtualConsole *vc)
320 {
321     GtkDisplayState *s = vc->s;
322     GdkWindowHints mask = 0;
323     GdkGeometry geo = {};
324     GtkWidget *geo_widget = NULL;
325     GtkWindow *geo_window;
326 
327     if (vc->type == GD_VC_GFX) {
328         if (!vc->gfx.ds) {
329             return;
330         }
331         if (s->free_scale) {
332             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
333             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
334             mask |= GDK_HINT_MIN_SIZE;
335         } else {
336             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
337             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
338             mask |= GDK_HINT_MIN_SIZE;
339         }
340         geo_widget = vc->gfx.drawing_area;
341         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
342 
343 #if defined(CONFIG_VTE)
344     } else if (vc->type == GD_VC_VTE) {
345         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
346         GtkBorder padding = { 0 };
347 
348 #if VTE_CHECK_VERSION(0, 37, 0)
349         gtk_style_context_get_padding(
350                 gtk_widget_get_style_context(vc->vte.terminal),
351                 gtk_widget_get_state_flags(vc->vte.terminal),
352                 &padding);
353 #else
354         {
355             GtkBorder *ib = NULL;
356             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
357             if (ib) {
358                 padding = *ib;
359                 gtk_border_free(ib);
360             }
361         }
362 #endif
363 
364         geo.width_inc  = vte_terminal_get_char_width(term);
365         geo.height_inc = vte_terminal_get_char_height(term);
366         mask |= GDK_HINT_RESIZE_INC;
367         geo.base_width  = geo.width_inc;
368         geo.base_height = geo.height_inc;
369         mask |= GDK_HINT_BASE_SIZE;
370         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
371         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
372         mask |= GDK_HINT_MIN_SIZE;
373 
374         geo.base_width  += padding.left + padding.right;
375         geo.base_height += padding.top + padding.bottom;
376         geo.min_width   += padding.left + padding.right;
377         geo.min_height  += padding.top + padding.bottom;
378         geo_widget = vc->vte.terminal;
379 #endif
380     }
381 
382     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
383     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
384 }
385 
386 void gd_update_windowsize(VirtualConsole *vc)
387 {
388     GtkDisplayState *s = vc->s;
389 
390     gd_update_geometry_hints(vc);
391 
392     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
393         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
394                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
395     }
396 }
397 
398 static void gd_update_full_redraw(VirtualConsole *vc)
399 {
400     GtkWidget *area = vc->gfx.drawing_area;
401     int ww, wh;
402     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
403 #if defined(CONFIG_GTK_GL)
404     if (vc->gfx.gls) {
405         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
406         return;
407     }
408 #endif
409     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
410 }
411 
412 static void gtk_release_modifiers(GtkDisplayState *s)
413 {
414     VirtualConsole *vc = gd_vc_find_current(s);
415     int i, keycode;
416 
417     if (vc->type != GD_VC_GFX ||
418         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
419         return;
420     }
421     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
422         keycode = modifier_keycode[i];
423         if (!s->modifier_pressed[i]) {
424             continue;
425         }
426         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
427         s->modifier_pressed[i] = false;
428     }
429 }
430 
431 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
432                                GtkWidget *widget)
433 {
434     g_object_ref(G_OBJECT(widget));
435     gtk_container_remove(GTK_CONTAINER(from), widget);
436     gtk_container_add(GTK_CONTAINER(to), widget);
437     g_object_unref(G_OBJECT(widget));
438 }
439 
440 /** DisplayState Callbacks **/
441 
442 static void gd_update(DisplayChangeListener *dcl,
443                       int x, int y, int w, int h)
444 {
445     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
446     GdkWindow *win;
447     int x1, x2, y1, y2;
448     int mx, my;
449     int fbw, fbh;
450     int ww, wh;
451 
452     trace_gd_update(vc->label, x, y, w, h);
453 
454     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
455         return;
456     }
457 
458     if (vc->gfx.convert) {
459         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
460                                NULL, vc->gfx.convert,
461                                x, y, 0, 0, x, y, w, h);
462     }
463 
464     x1 = floor(x * vc->gfx.scale_x);
465     y1 = floor(y * vc->gfx.scale_y);
466 
467     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
468     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
469 
470     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
471     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
472 
473     win = gtk_widget_get_window(vc->gfx.drawing_area);
474     if (!win) {
475         return;
476     }
477     gdk_drawable_get_size(win, &ww, &wh);
478 
479     mx = my = 0;
480     if (ww > fbw) {
481         mx = (ww - fbw) / 2;
482     }
483     if (wh > fbh) {
484         my = (wh - fbh) / 2;
485     }
486 
487     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
488                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
489 }
490 
491 static void gd_refresh(DisplayChangeListener *dcl)
492 {
493     graphic_hw_update(dcl->con);
494 }
495 
496 #if GTK_CHECK_VERSION(3, 0, 0)
497 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
498 {
499 #if GTK_CHECK_VERSION(3, 20, 0)
500     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
501 #else
502     return gdk_device_manager_get_client_pointer(
503         gdk_display_get_device_manager(dpy));
504 #endif
505 }
506 
507 static void gd_mouse_set(DisplayChangeListener *dcl,
508                          int x, int y, int visible)
509 {
510     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
511     GdkDisplay *dpy;
512     gint x_root, y_root;
513 
514     if (qemu_input_is_absolute()) {
515         return;
516     }
517 
518     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
519     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
520                                x, y, &x_root, &y_root);
521     gdk_device_warp(gd_get_pointer(dpy),
522                     gtk_widget_get_screen(vc->gfx.drawing_area),
523                     x_root, y_root);
524     vc->s->last_x = x;
525     vc->s->last_y = y;
526 }
527 #else
528 static void gd_mouse_set(DisplayChangeListener *dcl,
529                          int x, int y, int visible)
530 {
531     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
532     gint x_root, y_root;
533 
534     if (qemu_input_is_absolute()) {
535         return;
536     }
537 
538     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
539                                x, y, &x_root, &y_root);
540     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
541                              gtk_widget_get_screen(vc->gfx.drawing_area),
542                              x_root, y_root);
543 }
544 #endif
545 
546 static void gd_cursor_define(DisplayChangeListener *dcl,
547                              QEMUCursor *c)
548 {
549     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
550     GdkPixbuf *pixbuf;
551     GdkCursor *cursor;
552 
553     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
554         return;
555     }
556 
557     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
558                                       GDK_COLORSPACE_RGB, true, 8,
559                                       c->width, c->height, c->width * 4,
560                                       NULL, NULL);
561     cursor = gdk_cursor_new_from_pixbuf
562         (gtk_widget_get_display(vc->gfx.drawing_area),
563          pixbuf, c->hot_x, c->hot_y);
564     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
565     g_object_unref(pixbuf);
566 #if !GTK_CHECK_VERSION(3, 0, 0)
567     gdk_cursor_unref(cursor);
568 #else
569     g_object_unref(cursor);
570 #endif
571 }
572 
573 static void gd_switch(DisplayChangeListener *dcl,
574                       DisplaySurface *surface)
575 {
576     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
577     bool resized = true;
578 
579     trace_gd_switch(vc->label,
580                     surface ? surface_width(surface)  : 0,
581                     surface ? surface_height(surface) : 0);
582 
583     if (vc->gfx.surface) {
584         cairo_surface_destroy(vc->gfx.surface);
585         vc->gfx.surface = NULL;
586     }
587     if (vc->gfx.convert) {
588         pixman_image_unref(vc->gfx.convert);
589         vc->gfx.convert = NULL;
590     }
591 
592     if (vc->gfx.ds && surface &&
593         surface_width(vc->gfx.ds) == surface_width(surface) &&
594         surface_height(vc->gfx.ds) == surface_height(surface)) {
595         resized = false;
596     }
597     vc->gfx.ds = surface;
598 
599     if (!surface) {
600         return;
601     }
602 
603     if (surface->format == PIXMAN_x8r8g8b8) {
604         /*
605          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
606          *
607          * No need to convert, use surface directly.  Should be the
608          * common case as this is qemu_default_pixelformat(32) too.
609          */
610         vc->gfx.surface = cairo_image_surface_create_for_data
611             (surface_data(surface),
612              CAIRO_FORMAT_RGB24,
613              surface_width(surface),
614              surface_height(surface),
615              surface_stride(surface));
616     } else {
617         /* Must convert surface, use pixman to do it. */
618         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
619                                                    surface_width(surface),
620                                                    surface_height(surface),
621                                                    NULL, 0);
622         vc->gfx.surface = cairo_image_surface_create_for_data
623             ((void *)pixman_image_get_data(vc->gfx.convert),
624              CAIRO_FORMAT_RGB24,
625              pixman_image_get_width(vc->gfx.convert),
626              pixman_image_get_height(vc->gfx.convert),
627              pixman_image_get_stride(vc->gfx.convert));
628         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
629                                NULL, vc->gfx.convert,
630                                0, 0, 0, 0, 0, 0,
631                                pixman_image_get_width(vc->gfx.convert),
632                                pixman_image_get_height(vc->gfx.convert));
633     }
634 
635     if (resized) {
636         gd_update_windowsize(vc);
637     } else {
638         gd_update_full_redraw(vc);
639     }
640 }
641 
642 static const DisplayChangeListenerOps dcl_ops = {
643     .dpy_name             = "gtk",
644     .dpy_gfx_update       = gd_update,
645     .dpy_gfx_switch       = gd_switch,
646     .dpy_gfx_check_format = qemu_pixman_check_format,
647     .dpy_refresh          = gd_refresh,
648     .dpy_mouse_set        = gd_mouse_set,
649     .dpy_cursor_define    = gd_cursor_define,
650 };
651 
652 
653 #if defined(CONFIG_OPENGL)
654 
655 /** DisplayState Callbacks (opengl version) **/
656 
657 #if defined(CONFIG_GTK_GL)
658 
659 static const DisplayChangeListenerOps dcl_gl_area_ops = {
660     .dpy_name             = "gtk-egl",
661     .dpy_gfx_update       = gd_gl_area_update,
662     .dpy_gfx_switch       = gd_gl_area_switch,
663     .dpy_gfx_check_format = console_gl_check_format,
664     .dpy_refresh          = gd_gl_area_refresh,
665     .dpy_mouse_set        = gd_mouse_set,
666     .dpy_cursor_define    = gd_cursor_define,
667 
668     .dpy_gl_ctx_create       = gd_gl_area_create_context,
669     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
670     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
671     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
672     .dpy_gl_scanout          = gd_gl_area_scanout,
673     .dpy_gl_update           = gd_gl_area_scanout_flush,
674 };
675 
676 #else
677 
678 static const DisplayChangeListenerOps dcl_egl_ops = {
679     .dpy_name             = "gtk-egl",
680     .dpy_gfx_update       = gd_egl_update,
681     .dpy_gfx_switch       = gd_egl_switch,
682     .dpy_gfx_check_format = console_gl_check_format,
683     .dpy_refresh          = gd_egl_refresh,
684     .dpy_mouse_set        = gd_mouse_set,
685     .dpy_cursor_define    = gd_cursor_define,
686 
687     .dpy_gl_ctx_create       = gd_egl_create_context,
688     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
689     .dpy_gl_ctx_make_current = gd_egl_make_current,
690     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
691     .dpy_gl_scanout          = gd_egl_scanout,
692     .dpy_gl_update           = gd_egl_scanout_flush,
693 };
694 
695 #endif /* CONFIG_GTK_GL */
696 #endif /* CONFIG_OPENGL */
697 
698 /** QEMU Events **/
699 
700 static void gd_change_runstate(void *opaque, int running, RunState state)
701 {
702     GtkDisplayState *s = opaque;
703 
704     gd_update_caption(s);
705 }
706 
707 static void gd_mouse_mode_change(Notifier *notify, void *data)
708 {
709     GtkDisplayState *s;
710     int i;
711 
712     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
713     /* release the grab at switching to absolute mode */
714     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
715         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
716                                        FALSE);
717     }
718     for (i = 0; i < s->nb_vcs; i++) {
719         VirtualConsole *vc = &s->vc[i];
720         gd_update_cursor(vc);
721     }
722 }
723 
724 /** GTK Events **/
725 
726 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
727                                 void *opaque)
728 {
729     GtkDisplayState *s = opaque;
730     int i;
731 
732     if (!no_quit) {
733         for (i = 0; i < s->nb_vcs; i++) {
734             if (s->vc[i].type != GD_VC_GFX) {
735                 continue;
736             }
737             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
738         }
739         qmp_quit(NULL);
740         return FALSE;
741     }
742 
743     return TRUE;
744 }
745 
746 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
747 {
748     QemuUIInfo info;
749 
750     memset(&info, 0, sizeof(info));
751     info.width = width;
752     info.height = height;
753     dpy_set_ui_info(vc->gfx.dcl.con, &info);
754 }
755 
756 #if defined(CONFIG_GTK_GL)
757 
758 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
759                                 void *opaque)
760 {
761     VirtualConsole *vc = opaque;
762 
763     if (vc->gfx.gls) {
764         gd_gl_area_draw(vc);
765     }
766     return TRUE;
767 }
768 
769 static void gd_resize_event(GtkGLArea *area,
770                             gint width, gint height, gpointer *opaque)
771 {
772     VirtualConsole *vc = (void *)opaque;
773 
774     gd_set_ui_info(vc, width, height);
775 }
776 
777 #endif
778 
779 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
780 {
781     VirtualConsole *vc = opaque;
782     GtkDisplayState *s = vc->s;
783     int mx, my;
784     int ww, wh;
785     int fbw, fbh;
786 
787 #if defined(CONFIG_OPENGL)
788     if (vc->gfx.gls) {
789 #if defined(CONFIG_GTK_GL)
790         /* invoke render callback please */
791         return FALSE;
792 #else
793         gd_egl_draw(vc);
794         return TRUE;
795 #endif
796     }
797 #endif
798 
799     if (!gtk_widget_get_realized(widget)) {
800         return FALSE;
801     }
802     if (!vc->gfx.ds) {
803         return FALSE;
804     }
805 
806     fbw = surface_width(vc->gfx.ds);
807     fbh = surface_height(vc->gfx.ds);
808 
809     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
810 
811     if (s->full_screen) {
812         vc->gfx.scale_x = (double)ww / fbw;
813         vc->gfx.scale_y = (double)wh / fbh;
814     } else if (s->free_scale) {
815         double sx, sy;
816 
817         sx = (double)ww / fbw;
818         sy = (double)wh / fbh;
819 
820         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
821     }
822 
823     fbw *= vc->gfx.scale_x;
824     fbh *= vc->gfx.scale_y;
825 
826     mx = my = 0;
827     if (ww > fbw) {
828         mx = (ww - fbw) / 2;
829     }
830     if (wh > fbh) {
831         my = (wh - fbh) / 2;
832     }
833 
834     cairo_rectangle(cr, 0, 0, ww, wh);
835 
836     /* Optionally cut out the inner area where the pixmap
837        will be drawn. This avoids 'flashing' since we're
838        not double-buffering. Note we're using the undocumented
839        behaviour of drawing the rectangle from right to left
840        to cut out the whole */
841     cairo_rectangle(cr, mx + fbw, my,
842                     -1 * fbw, fbh);
843     cairo_fill(cr);
844 
845     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
846     cairo_set_source_surface(cr, vc->gfx.surface,
847                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
848     cairo_paint(cr);
849 
850     return TRUE;
851 }
852 
853 #if !GTK_CHECK_VERSION(3, 0, 0)
854 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
855                                 void *opaque)
856 {
857     cairo_t *cr;
858     gboolean ret;
859 
860     cr = gdk_cairo_create(gtk_widget_get_window(widget));
861     cairo_rectangle(cr,
862                     expose->area.x,
863                     expose->area.y,
864                     expose->area.width,
865                     expose->area.height);
866     cairo_clip(cr);
867 
868     ret = gd_draw_event(widget, cr, opaque);
869 
870     cairo_destroy(cr);
871 
872     return ret;
873 }
874 #endif
875 
876 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
877                                 void *opaque)
878 {
879     VirtualConsole *vc = opaque;
880     GtkDisplayState *s = vc->s;
881     int x, y;
882     int mx, my;
883     int fbh, fbw;
884     int ww, wh;
885 
886     if (!vc->gfx.ds) {
887         return TRUE;
888     }
889 
890     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
891     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
892 
893     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
894                           &ww, &wh);
895 
896     mx = my = 0;
897     if (ww > fbw) {
898         mx = (ww - fbw) / 2;
899     }
900     if (wh > fbh) {
901         my = (wh - fbh) / 2;
902     }
903 
904     x = (motion->x - mx) / vc->gfx.scale_x;
905     y = (motion->y - my) / vc->gfx.scale_y;
906 
907     if (qemu_input_is_absolute()) {
908         if (x < 0 || y < 0 ||
909             x >= surface_width(vc->gfx.ds) ||
910             y >= surface_height(vc->gfx.ds)) {
911             return TRUE;
912         }
913         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
914                              surface_width(vc->gfx.ds));
915         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
916                              surface_height(vc->gfx.ds));
917         qemu_input_event_sync();
918     } else if (s->last_set && s->ptr_owner == vc) {
919         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
920         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
921         qemu_input_event_sync();
922     }
923     s->last_x = x;
924     s->last_y = y;
925     s->last_set = TRUE;
926 
927     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
928         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
929         int screen_width, screen_height;
930 
931         int x = (int)motion->x_root;
932         int y = (int)motion->y_root;
933 
934 #if GTK_CHECK_VERSION(3, 22, 0)
935         {
936             GdkDisplay *dpy = gtk_widget_get_display(widget);
937             GdkWindow *win = gtk_widget_get_window(widget);
938             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
939             GdkRectangle geometry;
940             gdk_monitor_get_geometry(monitor, &geometry);
941             screen_width = geometry.width;
942             screen_height = geometry.height;
943         }
944 #else
945         {
946             screen_width = gdk_screen_get_width(screen);
947             screen_height = gdk_screen_get_height(screen);
948         }
949 #endif
950 
951         /* In relative mode check to see if client pointer hit
952          * one of the screen edges, and if so move it back by
953          * 200 pixels. This is important because the pointer
954          * in the server doesn't correspond 1-for-1, and so
955          * may still be only half way across the screen. Without
956          * this warp, the server pointer would thus appear to hit
957          * an invisible wall */
958         if (x == 0) {
959             x += 200;
960         }
961         if (y == 0) {
962             y += 200;
963         }
964         if (x == (screen_width - 1)) {
965             x -= 200;
966         }
967         if (y == (screen_height - 1)) {
968             y -= 200;
969         }
970 
971         if (x != (int)motion->x_root || y != (int)motion->y_root) {
972 #if GTK_CHECK_VERSION(3, 0, 0)
973             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
974             gdk_device_warp(dev, screen, x, y);
975 #else
976             GdkDisplay *display = gtk_widget_get_display(widget);
977             gdk_display_warp_pointer(display, screen, x, y);
978 #endif
979             s->last_set = FALSE;
980             return FALSE;
981         }
982     }
983     return TRUE;
984 }
985 
986 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
987                                 void *opaque)
988 {
989     VirtualConsole *vc = opaque;
990     GtkDisplayState *s = vc->s;
991     InputButton btn;
992 
993     /* implicitly grab the input at the first click in the relative mode */
994     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
995         !qemu_input_is_absolute() && s->ptr_owner != vc) {
996         if (!vc->window) {
997             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
998                                            TRUE);
999         } else {
1000             gd_grab_pointer(vc, "relative-mode-click");
1001         }
1002         return TRUE;
1003     }
1004 
1005     if (button->button == 1) {
1006         btn = INPUT_BUTTON_LEFT;
1007     } else if (button->button == 2) {
1008         btn = INPUT_BUTTON_MIDDLE;
1009     } else if (button->button == 3) {
1010         btn = INPUT_BUTTON_RIGHT;
1011     } else if (button->button == 8) {
1012         btn = INPUT_BUTTON_SIDE;
1013     } else if (button->button == 9) {
1014         btn = INPUT_BUTTON_EXTRA;
1015     } else {
1016         return TRUE;
1017     }
1018 
1019     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1020                          button->type == GDK_BUTTON_PRESS);
1021     qemu_input_event_sync();
1022     return TRUE;
1023 }
1024 
1025 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1026                                 void *opaque)
1027 {
1028     VirtualConsole *vc = opaque;
1029     InputButton btn;
1030 
1031     if (scroll->direction == GDK_SCROLL_UP) {
1032         btn = INPUT_BUTTON_WHEEL_UP;
1033     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1034         btn = INPUT_BUTTON_WHEEL_DOWN;
1035 #if GTK_CHECK_VERSION(3, 4, 0)
1036     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1037         gdouble delta_x, delta_y;
1038         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1039                                          &delta_x, &delta_y)) {
1040             return TRUE;
1041         }
1042         if (delta_y > 0) {
1043             btn = INPUT_BUTTON_WHEEL_DOWN;
1044         } else {
1045             btn = INPUT_BUTTON_WHEEL_UP;
1046         }
1047 #endif
1048     } else {
1049         return TRUE;
1050     }
1051 
1052     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1053     qemu_input_event_sync();
1054     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1055     qemu_input_event_sync();
1056     return TRUE;
1057 }
1058 
1059 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
1060 {
1061     int qemu_keycode;
1062 
1063 #ifdef GDK_WINDOWING_WIN32
1064     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1065         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
1066         switch (qemu_keycode) {
1067         case 103:   /* alt gr */
1068             qemu_keycode = 56 | SCANCODE_GREY;
1069             break;
1070         }
1071         return qemu_keycode;
1072     }
1073 #endif
1074 
1075     if (gdk_keycode < 9) {
1076         qemu_keycode = 0;
1077     } else if (gdk_keycode < 97) {
1078         qemu_keycode = gdk_keycode - 8;
1079 #ifdef GDK_WINDOWING_X11
1080     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
1081         if (s->has_evdev) {
1082             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1083         } else {
1084             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
1085         }
1086 #endif
1087 #ifdef GDK_WINDOWING_WAYLAND
1088     } else if (GDK_IS_WAYLAND_DISPLAY(dpy) && gdk_keycode < 158) {
1089         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1090 #endif
1091     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
1092         qemu_keycode = 0x70;
1093     } else if (gdk_keycode == 211) { /* backslash */
1094         qemu_keycode = 0x73;
1095     } else {
1096         qemu_keycode = 0;
1097     }
1098 
1099     return qemu_keycode;
1100 }
1101 
1102 static gboolean gd_text_key_down(GtkWidget *widget,
1103                                  GdkEventKey *key, void *opaque)
1104 {
1105     VirtualConsole *vc = opaque;
1106     QemuConsole *con = vc->gfx.dcl.con;
1107 
1108     if (key->keyval == GDK_KEY_Delete) {
1109         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE);
1110     } else if (key->length) {
1111         kbd_put_string_console(con, key->string, key->length);
1112     } else {
1113         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
1114                                  key->hardware_keycode);
1115         int qcode = qemu_input_key_number_to_qcode(num);
1116         kbd_put_qcode_console(con, qcode);
1117     }
1118     return TRUE;
1119 }
1120 
1121 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1122 {
1123     VirtualConsole *vc = opaque;
1124     GtkDisplayState *s = vc->s;
1125     int gdk_keycode = key->hardware_keycode;
1126     int qemu_keycode;
1127     int i;
1128 
1129     if (s->ignore_keys) {
1130         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1131         return TRUE;
1132     }
1133 
1134     if (key->keyval == GDK_KEY_Pause) {
1135         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1136                                         key->type == GDK_KEY_PRESS);
1137         return TRUE;
1138     }
1139 
1140     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
1141                                   gdk_keycode);
1142 
1143     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
1144                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1145 
1146     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1147         if (qemu_keycode == modifier_keycode[i]) {
1148             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1149         }
1150     }
1151 
1152     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
1153                                      key->type == GDK_KEY_PRESS);
1154 
1155     return TRUE;
1156 }
1157 
1158 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1159 {
1160     if (event->type == GDK_MOTION_NOTIFY) {
1161         return gd_motion_event(widget, &event->motion, opaque);
1162     }
1163     return FALSE;
1164 }
1165 
1166 /** Window Menu Actions **/
1167 
1168 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1169 {
1170     GtkDisplayState *s = opaque;
1171 
1172     if (s->external_pause_update) {
1173         return;
1174     }
1175     if (runstate_is_running()) {
1176         qmp_stop(NULL);
1177     } else {
1178         qmp_cont(NULL);
1179     }
1180 }
1181 
1182 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1183 {
1184     qmp_system_reset(NULL);
1185 }
1186 
1187 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1188 {
1189     qmp_system_powerdown(NULL);
1190 }
1191 
1192 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1193 {
1194     qmp_quit(NULL);
1195 }
1196 
1197 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1198 {
1199     GtkDisplayState *s = opaque;
1200     VirtualConsole *vc = gd_vc_find_by_menu(s);
1201     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1202     gint page;
1203 
1204     gtk_release_modifiers(s);
1205     if (vc) {
1206         page = gtk_notebook_page_num(nb, vc->tab_item);
1207         gtk_notebook_set_current_page(nb, page);
1208         gtk_widget_grab_focus(vc->focus);
1209     }
1210     s->ignore_keys = false;
1211 }
1212 
1213 static void gd_accel_switch_vc(void *opaque)
1214 {
1215     VirtualConsole *vc = opaque;
1216 
1217     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1218 #if !GTK_CHECK_VERSION(3, 0, 0)
1219     /* GTK2 sends the accel key to the target console - ignore this until */
1220     vc->s->ignore_keys = true;
1221 #endif
1222 }
1223 
1224 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1225 {
1226     GtkDisplayState *s = opaque;
1227     VirtualConsole *vc = gd_vc_find_current(s);
1228 
1229     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1230         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1231     } else {
1232         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1233     }
1234     gd_update_windowsize(vc);
1235 }
1236 
1237 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1238                                     void *opaque)
1239 {
1240     VirtualConsole *vc = opaque;
1241     GtkDisplayState *s = vc->s;
1242 
1243     gtk_widget_set_sensitive(vc->menu_item, true);
1244     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1245     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1246                                     vc->tab_item, vc->label);
1247     gtk_widget_destroy(vc->window);
1248     vc->window = NULL;
1249     return TRUE;
1250 }
1251 
1252 static gboolean gd_win_grab(void *opaque)
1253 {
1254     VirtualConsole *vc = opaque;
1255 
1256     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1257     if (vc->s->ptr_owner) {
1258         gd_ungrab_pointer(vc->s);
1259     } else {
1260         gd_grab_pointer(vc, "user-request-detached-tab");
1261     }
1262     return TRUE;
1263 }
1264 
1265 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1266 {
1267     GtkDisplayState *s = opaque;
1268     VirtualConsole *vc = gd_vc_find_current(s);
1269 
1270     if (vc->type == GD_VC_GFX &&
1271         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1272         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1273                                        FALSE);
1274     }
1275     if (!vc->window) {
1276         gtk_widget_set_sensitive(vc->menu_item, false);
1277         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1278         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1279 
1280         g_signal_connect(vc->window, "delete-event",
1281                          G_CALLBACK(gd_tab_window_close), vc);
1282         gtk_widget_show_all(vc->window);
1283 
1284         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1285             GtkAccelGroup *ag = gtk_accel_group_new();
1286             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1287 
1288             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1289                                                vc, NULL);
1290             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1291         }
1292 
1293         gd_update_geometry_hints(vc);
1294         gd_update_caption(s);
1295     }
1296 }
1297 
1298 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1299 {
1300     GtkDisplayState *s = opaque;
1301     VirtualConsole *vc = gd_vc_find_current(s);
1302 
1303     if (!s->full_screen) {
1304         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1305         gtk_widget_hide(s->menu_bar);
1306         if (vc->type == GD_VC_GFX) {
1307             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1308         }
1309         gtk_window_fullscreen(GTK_WINDOW(s->window));
1310         s->full_screen = TRUE;
1311     } else {
1312         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1313         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1314         gtk_widget_show(s->menu_bar);
1315         s->full_screen = FALSE;
1316         if (vc->type == GD_VC_GFX) {
1317             vc->gfx.scale_x = 1.0;
1318             vc->gfx.scale_y = 1.0;
1319             gd_update_windowsize(vc);
1320         }
1321     }
1322 
1323     gd_update_cursor(vc);
1324 }
1325 
1326 static void gd_accel_full_screen(void *opaque)
1327 {
1328     GtkDisplayState *s = opaque;
1329     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1330 }
1331 
1332 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1333 {
1334     GtkDisplayState *s = opaque;
1335     VirtualConsole *vc = gd_vc_find_current(s);
1336 
1337     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1338                                    FALSE);
1339 
1340     vc->gfx.scale_x += VC_SCALE_STEP;
1341     vc->gfx.scale_y += VC_SCALE_STEP;
1342 
1343     gd_update_windowsize(vc);
1344 }
1345 
1346 static void gd_accel_zoom_in(void *opaque)
1347 {
1348     GtkDisplayState *s = opaque;
1349     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1350 }
1351 
1352 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1353 {
1354     GtkDisplayState *s = opaque;
1355     VirtualConsole *vc = gd_vc_find_current(s);
1356 
1357     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1358                                    FALSE);
1359 
1360     vc->gfx.scale_x -= VC_SCALE_STEP;
1361     vc->gfx.scale_y -= VC_SCALE_STEP;
1362 
1363     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1364     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1365 
1366     gd_update_windowsize(vc);
1367 }
1368 
1369 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1370 {
1371     GtkDisplayState *s = opaque;
1372     VirtualConsole *vc = gd_vc_find_current(s);
1373 
1374     vc->gfx.scale_x = 1.0;
1375     vc->gfx.scale_y = 1.0;
1376 
1377     gd_update_windowsize(vc);
1378 }
1379 
1380 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1381 {
1382     GtkDisplayState *s = opaque;
1383     VirtualConsole *vc = gd_vc_find_current(s);
1384 
1385     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1386         s->free_scale = TRUE;
1387     } else {
1388         s->free_scale = FALSE;
1389         vc->gfx.scale_x = 1.0;
1390         vc->gfx.scale_y = 1.0;
1391     }
1392 
1393     gd_update_windowsize(vc);
1394     gd_update_full_redraw(vc);
1395 }
1396 
1397 #if GTK_CHECK_VERSION(3, 20, 0)
1398 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1399 {
1400     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1401     GdkSeat *seat = gdk_display_get_default_seat(display);
1402     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1403     GdkSeatCapabilities caps = 0;
1404     GdkCursor *cursor = NULL;
1405 
1406     if (kbd) {
1407         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1408     }
1409     if (ptr) {
1410         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1411         cursor = vc->s->null_cursor;
1412     }
1413 
1414     if (caps) {
1415         gdk_seat_grab(seat, window, caps, false, cursor,
1416                       NULL, NULL, NULL);
1417     } else {
1418         gdk_seat_ungrab(seat);
1419     }
1420 }
1421 #elif GTK_CHECK_VERSION(3, 0, 0)
1422 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1423                             GdkInputSource source, GdkEventMask mask,
1424                             GdkCursor *cursor)
1425 {
1426     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1427     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1428     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1429     GList *tmp = devs;
1430 
1431     for (tmp = devs; tmp; tmp = tmp->next) {
1432         GdkDevice *dev = tmp->data;
1433         if (gdk_device_get_source(dev) != source) {
1434             continue;
1435         }
1436         if (grab) {
1437             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1438             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1439                             mask, cursor, GDK_CURRENT_TIME);
1440         } else {
1441             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1442         }
1443     }
1444     g_list_free(devs);
1445 }
1446 #endif
1447 
1448 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1449 {
1450     if (vc->s->kbd_owner) {
1451         if (vc->s->kbd_owner == vc) {
1452             return;
1453         } else {
1454             gd_ungrab_keyboard(vc->s);
1455         }
1456     }
1457 
1458 #if GTK_CHECK_VERSION(3, 20, 0)
1459     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1460 #elif GTK_CHECK_VERSION(3, 0, 0)
1461     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1462                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1463                    NULL);
1464 #else
1465     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1466                       FALSE,
1467                       GDK_CURRENT_TIME);
1468 #endif
1469     vc->s->kbd_owner = vc;
1470     gd_update_caption(vc->s);
1471     trace_gd_grab(vc->label, "kbd", reason);
1472 }
1473 
1474 static void gd_ungrab_keyboard(GtkDisplayState *s)
1475 {
1476     VirtualConsole *vc = s->kbd_owner;
1477 
1478     if (vc == NULL) {
1479         return;
1480     }
1481     s->kbd_owner = NULL;
1482 
1483 #if GTK_CHECK_VERSION(3, 20, 0)
1484     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1485 #elif GTK_CHECK_VERSION(3, 0, 0)
1486     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1487 #else
1488     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1489 #endif
1490     gd_update_caption(s);
1491     trace_gd_ungrab(vc->label, "kbd");
1492 }
1493 
1494 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1495 {
1496     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1497 
1498     if (vc->s->ptr_owner) {
1499         if (vc->s->ptr_owner == vc) {
1500             return;
1501         } else {
1502             gd_ungrab_pointer(vc->s);
1503         }
1504     }
1505 
1506 #if GTK_CHECK_VERSION(3, 20, 0)
1507     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1508     gdk_device_get_position(gd_get_pointer(display),
1509                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1510 #elif GTK_CHECK_VERSION(3, 0, 0)
1511     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1512                     GDK_POINTER_MOTION_MASK |
1513                     GDK_BUTTON_PRESS_MASK |
1514                     GDK_BUTTON_RELEASE_MASK |
1515                     GDK_BUTTON_MOTION_MASK |
1516                     GDK_SCROLL_MASK,
1517                     vc->s->null_cursor);
1518     gdk_device_get_position(gd_get_pointer(display),
1519                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1520 #else
1521     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1522                      FALSE, /* All events to come to our window directly */
1523                      GDK_POINTER_MOTION_MASK |
1524                      GDK_BUTTON_PRESS_MASK |
1525                      GDK_BUTTON_RELEASE_MASK |
1526                      GDK_BUTTON_MOTION_MASK |
1527                      GDK_SCROLL_MASK,
1528                      NULL, /* Allow cursor to move over entire desktop */
1529                      vc->s->null_cursor,
1530                      GDK_CURRENT_TIME);
1531     gdk_display_get_pointer(display, NULL,
1532                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1533 #endif
1534     vc->s->ptr_owner = vc;
1535     gd_update_caption(vc->s);
1536     trace_gd_grab(vc->label, "ptr", reason);
1537 }
1538 
1539 static void gd_ungrab_pointer(GtkDisplayState *s)
1540 {
1541     VirtualConsole *vc = s->ptr_owner;
1542     GdkDisplay *display;
1543 
1544     if (vc == NULL) {
1545         return;
1546     }
1547     s->ptr_owner = NULL;
1548 
1549     display = gtk_widget_get_display(vc->gfx.drawing_area);
1550 #if GTK_CHECK_VERSION(3, 20, 0)
1551     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1552     gdk_device_warp(gd_get_pointer(display),
1553                     gtk_widget_get_screen(vc->gfx.drawing_area),
1554                     vc->s->grab_x_root, vc->s->grab_y_root);
1555 #elif GTK_CHECK_VERSION(3, 0, 0)
1556     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
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     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1562     gdk_display_warp_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 #ifdef VTE_RESIZE_HACK
1598     vc = gd_vc_find_current(s);
1599     if (vc && vc->type == GD_VC_VTE) {
1600         gtk_widget_hide(vc->vte.terminal);
1601     }
1602 #endif
1603     vc = gd_vc_find_by_page(s, arg2);
1604     if (!vc) {
1605         return;
1606     }
1607 #ifdef VTE_RESIZE_HACK
1608     if (vc->type == GD_VC_VTE) {
1609         gtk_widget_show(vc->vte.terminal);
1610     }
1611 #endif
1612     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1613                                    TRUE);
1614     on_vga = (vc->type == GD_VC_GFX &&
1615               qemu_console_is_graphic(vc->gfx.dcl.con));
1616     if (!on_vga) {
1617         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1618                                        FALSE);
1619     } else if (s->full_screen) {
1620         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1621                                        TRUE);
1622     }
1623     gtk_widget_set_sensitive(s->grab_item, on_vga);
1624 #ifdef CONFIG_VTE
1625     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1626 #endif
1627 
1628     gd_update_windowsize(vc);
1629     gd_update_cursor(vc);
1630 }
1631 
1632 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1633                                gpointer opaque)
1634 {
1635     VirtualConsole *vc = opaque;
1636     GtkDisplayState *s = vc->s;
1637 
1638     if (gd_grab_on_hover(s)) {
1639         gd_grab_keyboard(vc, "grab-on-hover");
1640     }
1641     return TRUE;
1642 }
1643 
1644 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1645                                gpointer opaque)
1646 {
1647     VirtualConsole *vc = opaque;
1648     GtkDisplayState *s = vc->s;
1649 
1650     if (gd_grab_on_hover(s)) {
1651         gd_ungrab_keyboard(s);
1652     }
1653     return TRUE;
1654 }
1655 
1656 static gboolean gd_focus_out_event(GtkWidget *widget,
1657                                    GdkEventCrossing *crossing, gpointer opaque)
1658 {
1659     VirtualConsole *vc = opaque;
1660     GtkDisplayState *s = vc->s;
1661 
1662     gtk_release_modifiers(s);
1663     return TRUE;
1664 }
1665 
1666 static gboolean gd_configure(GtkWidget *widget,
1667                              GdkEventConfigure *cfg, gpointer opaque)
1668 {
1669     VirtualConsole *vc = opaque;
1670 
1671     gd_set_ui_info(vc, cfg->width, cfg->height);
1672     return FALSE;
1673 }
1674 
1675 /** Virtual Console Callbacks **/
1676 
1677 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1678                                int idx, GSList *group, GtkWidget *view_menu)
1679 {
1680     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1681     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1682             HOTKEY_MODIFIERS, 0,
1683             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1684 #if GTK_CHECK_VERSION(3, 8, 0)
1685     gtk_accel_label_set_accel(
1686             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1687             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1688 #endif
1689 
1690     g_signal_connect(vc->menu_item, "activate",
1691                      G_CALLBACK(gd_menu_switch_vc), s);
1692     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1693 
1694     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1695     return group;
1696 }
1697 
1698 #if defined(CONFIG_VTE)
1699 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1700 {
1701     GtkDisplayState *s = opaque;
1702     VirtualConsole *vc = gd_vc_find_current(s);
1703 
1704     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1705 }
1706 
1707 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1708 {
1709     VirtualConsole *vc = opaque;
1710 
1711     if (gtk_adjustment_get_upper(adjustment) >
1712         gtk_adjustment_get_page_size(adjustment)) {
1713         gtk_widget_show(vc->vte.scrollbar);
1714     } else {
1715         gtk_widget_hide(vc->vte.scrollbar);
1716     }
1717 }
1718 
1719 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1720 {
1721     VCChardev *vcd = VC_CHARDEV(chr);
1722     VirtualConsole *vc = vcd->console;
1723 
1724     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1725     return len;
1726 }
1727 
1728 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1729 {
1730     VCChardev *vcd = VC_CHARDEV(chr);
1731     VirtualConsole *vc = vcd->console;
1732 
1733     if (vc) {
1734         vc->vte.echo = echo;
1735     } else {
1736         vcd->echo = echo;
1737     }
1738 }
1739 
1740 static int nb_vcs;
1741 static Chardev *vcs[MAX_VCS];
1742 static void gd_vc_open(Chardev *chr,
1743                        ChardevBackend *backend,
1744                        bool *be_opened,
1745                        Error **errp)
1746 {
1747     if (nb_vcs == MAX_VCS) {
1748         error_setg(errp, "Maximum number of consoles reached");
1749         return;
1750     }
1751 
1752     vcs[nb_vcs++] = chr;
1753 
1754     /* console/chardev init sometimes completes elsewhere in a 2nd
1755      * stage, so defer OPENED events until they are fully initialized
1756      */
1757     *be_opened = false;
1758 }
1759 
1760 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1761 {
1762     ChardevClass *cc = CHARDEV_CLASS(oc);
1763 
1764     cc->parse = qemu_chr_parse_vc;
1765     cc->open = gd_vc_open;
1766     cc->chr_write = gd_vc_chr_write;
1767     cc->chr_set_echo = gd_vc_chr_set_echo;
1768 }
1769 
1770 static const TypeInfo char_gd_vc_type_info = {
1771     .name = TYPE_CHARDEV_VC,
1772     .parent = TYPE_CHARDEV,
1773     .instance_size = sizeof(VCChardev),
1774     .class_init = char_gd_vc_class_init,
1775 };
1776 
1777 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1778                          gpointer user_data)
1779 {
1780     VirtualConsole *vc = user_data;
1781 
1782     if (vc->vte.echo) {
1783         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1784         int i;
1785         for (i = 0; i < size; i++) {
1786             uint8_t c = text[i];
1787             if (c >= 128 || isprint(c)) {
1788                 /* 8-bit characters are considered printable.  */
1789                 vte_terminal_feed(term, &text[i], 1);
1790             } else if (c == '\r' || c == '\n') {
1791                 vte_terminal_feed(term, "\r\n", 2);
1792             } else {
1793                 char ctrl[2] = { '^', 0};
1794                 ctrl[1] = text[i] ^ 64;
1795                 vte_terminal_feed(term, ctrl, 2);
1796             }
1797         }
1798     }
1799 
1800     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1801     return TRUE;
1802 }
1803 
1804 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1805                               Chardev *chr, int idx,
1806                               GSList *group, GtkWidget *view_menu)
1807 {
1808     char buffer[32];
1809     GtkWidget *box;
1810     GtkWidget *scrollbar;
1811     GtkAdjustment *vadjustment;
1812     VCChardev *vcd = VC_CHARDEV(chr);
1813 
1814     vc->s = s;
1815     vc->vte.echo = vcd->echo;
1816     vc->vte.chr = chr;
1817     vcd->console = vc;
1818 
1819     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1820     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1821                                 ? vc->vte.chr->label : buffer);
1822     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1823 
1824     vc->vte.terminal = vte_terminal_new();
1825     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1826 
1827     /* The documentation says that the default is UTF-8, but actually it is
1828      * 7-bit ASCII at least in VTE 0.38.
1829      */
1830 #if VTE_CHECK_VERSION(0, 38, 0)
1831     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1832 #else
1833     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1834 #endif
1835 
1836     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1837     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1838                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1839 
1840 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1841     vadjustment = gtk_scrollable_get_vadjustment
1842         (GTK_SCROLLABLE(vc->vte.terminal));
1843 #else
1844     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1845 #endif
1846 
1847 #if GTK_CHECK_VERSION(3, 0, 0)
1848     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1849     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1850 #else
1851     box = gtk_hbox_new(false, 2);
1852     scrollbar = gtk_vscrollbar_new(vadjustment);
1853 #endif
1854 
1855     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1856     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1857 
1858     vc->vte.box = box;
1859     vc->vte.scrollbar = scrollbar;
1860 
1861     g_signal_connect(vadjustment, "changed",
1862                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1863 
1864     vc->type = GD_VC_VTE;
1865     vc->tab_item = box;
1866     vc->focus = vc->vte.terminal;
1867     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1868                              gtk_label_new(vc->label));
1869 
1870     qemu_chr_be_generic_open(vc->vte.chr);
1871 
1872     return group;
1873 }
1874 
1875 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1876                         GtkWidget *view_menu)
1877 {
1878     int i;
1879 
1880     for (i = 0; i < nb_vcs; i++) {
1881         VirtualConsole *vc = &s->vc[s->nb_vcs];
1882         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1883         s->nb_vcs++;
1884     }
1885 }
1886 #endif /* CONFIG_VTE */
1887 
1888 /** Window Creation **/
1889 
1890 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1891 {
1892 #if GTK_CHECK_VERSION(3, 0, 0)
1893     g_signal_connect(vc->gfx.drawing_area, "draw",
1894                      G_CALLBACK(gd_draw_event), vc);
1895 #if defined(CONFIG_GTK_GL)
1896     if (display_opengl) {
1897         /* wire up GtkGlArea events */
1898         g_signal_connect(vc->gfx.drawing_area, "render",
1899                          G_CALLBACK(gd_render_event), vc);
1900         g_signal_connect(vc->gfx.drawing_area, "resize",
1901                          G_CALLBACK(gd_resize_event), vc);
1902     }
1903 #endif
1904 #else
1905     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1906                      G_CALLBACK(gd_expose_event), vc);
1907 #endif
1908     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1909         g_signal_connect(vc->gfx.drawing_area, "event",
1910                          G_CALLBACK(gd_event), vc);
1911         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1912                          G_CALLBACK(gd_button_event), vc);
1913         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1914                          G_CALLBACK(gd_button_event), vc);
1915         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1916                          G_CALLBACK(gd_scroll_event), vc);
1917         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1918                          G_CALLBACK(gd_key_event), vc);
1919         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1920                          G_CALLBACK(gd_key_event), vc);
1921 
1922         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1923                          G_CALLBACK(gd_enter_event), vc);
1924         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1925                          G_CALLBACK(gd_leave_event), vc);
1926         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1927                          G_CALLBACK(gd_focus_out_event), vc);
1928         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1929                          G_CALLBACK(gd_configure), vc);
1930     } else {
1931         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1932                          G_CALLBACK(gd_text_key_down), vc);
1933     }
1934 }
1935 
1936 static void gd_connect_signals(GtkDisplayState *s)
1937 {
1938     g_signal_connect(s->show_tabs_item, "activate",
1939                      G_CALLBACK(gd_menu_show_tabs), s);
1940     g_signal_connect(s->untabify_item, "activate",
1941                      G_CALLBACK(gd_menu_untabify), s);
1942 
1943     g_signal_connect(s->window, "delete-event",
1944                      G_CALLBACK(gd_window_close), s);
1945 
1946     g_signal_connect(s->pause_item, "activate",
1947                      G_CALLBACK(gd_menu_pause), s);
1948     g_signal_connect(s->reset_item, "activate",
1949                      G_CALLBACK(gd_menu_reset), s);
1950     g_signal_connect(s->powerdown_item, "activate",
1951                      G_CALLBACK(gd_menu_powerdown), s);
1952     g_signal_connect(s->quit_item, "activate",
1953                      G_CALLBACK(gd_menu_quit), s);
1954 #if defined(CONFIG_VTE)
1955     g_signal_connect(s->copy_item, "activate",
1956                      G_CALLBACK(gd_menu_copy), s);
1957 #endif
1958     g_signal_connect(s->full_screen_item, "activate",
1959                      G_CALLBACK(gd_menu_full_screen), s);
1960     g_signal_connect(s->zoom_in_item, "activate",
1961                      G_CALLBACK(gd_menu_zoom_in), s);
1962     g_signal_connect(s->zoom_out_item, "activate",
1963                      G_CALLBACK(gd_menu_zoom_out), s);
1964     g_signal_connect(s->zoom_fixed_item, "activate",
1965                      G_CALLBACK(gd_menu_zoom_fixed), s);
1966     g_signal_connect(s->zoom_fit_item, "activate",
1967                      G_CALLBACK(gd_menu_zoom_fit), s);
1968     g_signal_connect(s->grab_item, "activate",
1969                      G_CALLBACK(gd_menu_grab_input), s);
1970     g_signal_connect(s->notebook, "switch-page",
1971                      G_CALLBACK(gd_change_page), s);
1972 }
1973 
1974 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1975 {
1976     GtkWidget *machine_menu;
1977     GtkWidget *separator;
1978 
1979     machine_menu = gtk_menu_new();
1980     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1981 
1982     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1983     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1984 
1985     separator = gtk_separator_menu_item_new();
1986     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1987 
1988     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1989     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1990 
1991     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1992     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1993 
1994     separator = gtk_separator_menu_item_new();
1995     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1996 
1997     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1998     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1999                                  "<QEMU>/Machine/Quit");
2000     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2001                             GDK_KEY_q, HOTKEY_MODIFIERS);
2002     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2003 
2004     return machine_menu;
2005 }
2006 
2007 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2008                               QemuConsole *con, int idx,
2009                               GSList *group, GtkWidget *view_menu)
2010 {
2011     vc->label = qemu_console_get_label(con);
2012     vc->s = s;
2013     vc->gfx.scale_x = 1.0;
2014     vc->gfx.scale_y = 1.0;
2015 
2016 #if defined(CONFIG_OPENGL)
2017     if (display_opengl) {
2018 #if defined(CONFIG_GTK_GL)
2019         vc->gfx.drawing_area = gtk_gl_area_new();
2020         vc->gfx.dcl.ops = &dcl_gl_area_ops;
2021 #else
2022         vc->gfx.drawing_area = gtk_drawing_area_new();
2023         /*
2024          * gtk_widget_set_double_buffered() was deprecated in 3.14.
2025          * It is required for opengl rendering on X11 though.  A
2026          * proper replacement (native opengl support) is only
2027          * available in 3.16+.  Silence the warning if possible.
2028          */
2029 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2030 #pragma GCC diagnostic push
2031 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2032 #endif
2033         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2034 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2035 #pragma GCC diagnostic pop
2036 #endif
2037         vc->gfx.dcl.ops = &dcl_egl_ops;
2038 #endif /* CONFIG_GTK_GL */
2039     } else
2040 #endif
2041     {
2042         vc->gfx.drawing_area = gtk_drawing_area_new();
2043         vc->gfx.dcl.ops = &dcl_ops;
2044     }
2045 
2046 
2047     gtk_widget_add_events(vc->gfx.drawing_area,
2048                           GDK_POINTER_MOTION_MASK |
2049                           GDK_BUTTON_PRESS_MASK |
2050                           GDK_BUTTON_RELEASE_MASK |
2051                           GDK_BUTTON_MOTION_MASK |
2052                           GDK_ENTER_NOTIFY_MASK |
2053                           GDK_LEAVE_NOTIFY_MASK |
2054                           GDK_SCROLL_MASK |
2055                           GDK_KEY_PRESS_MASK);
2056     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2057 
2058     vc->type = GD_VC_GFX;
2059     vc->tab_item = vc->gfx.drawing_area;
2060     vc->focus = vc->gfx.drawing_area;
2061     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2062                              vc->tab_item, gtk_label_new(vc->label));
2063 
2064     vc->gfx.dcl.con = con;
2065     register_displaychangelistener(&vc->gfx.dcl);
2066 
2067     gd_connect_vc_gfx_signals(vc);
2068     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2069 
2070     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2071         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2072         s->free_scale = true;
2073     }
2074 
2075     return group;
2076 }
2077 
2078 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2079 {
2080     GSList *group = NULL;
2081     GtkWidget *view_menu;
2082     GtkWidget *separator;
2083     QemuConsole *con;
2084     int vc;
2085 
2086     view_menu = gtk_menu_new();
2087     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2088 
2089     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2090 
2091 #if defined(CONFIG_VTE)
2092     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2093     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2094 #endif
2095 
2096     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2097             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2098 #if GTK_CHECK_VERSION(3, 8, 0)
2099     gtk_accel_label_set_accel(
2100             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2101             GDK_KEY_f, HOTKEY_MODIFIERS);
2102 #endif
2103     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2104 
2105     separator = gtk_separator_menu_item_new();
2106     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2107 
2108     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2109     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2110                                  "<QEMU>/View/Zoom In");
2111     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2112                             HOTKEY_MODIFIERS);
2113     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2114             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2115     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2116 
2117     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2118     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2119                                  "<QEMU>/View/Zoom Out");
2120     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2121                             HOTKEY_MODIFIERS);
2122     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2123 
2124     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2125     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2126                                  "<QEMU>/View/Zoom Fixed");
2127     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2128                             HOTKEY_MODIFIERS);
2129     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2130 
2131     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2132     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2133 
2134     separator = gtk_separator_menu_item_new();
2135     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2136 
2137     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2138     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2139 
2140     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2141     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2142                                  "<QEMU>/View/Grab Input");
2143     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2144                             HOTKEY_MODIFIERS);
2145     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2146 
2147     separator = gtk_separator_menu_item_new();
2148     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2149 
2150     /* gfx */
2151     for (vc = 0;; vc++) {
2152         con = qemu_console_lookup_by_index(vc);
2153         if (!con) {
2154             break;
2155         }
2156         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2157                                vc, group, view_menu);
2158         s->nb_vcs++;
2159     }
2160 
2161 #if defined(CONFIG_VTE)
2162     /* vte */
2163     gd_vcs_init(s, group, view_menu);
2164 #endif
2165 
2166     separator = gtk_separator_menu_item_new();
2167     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2168 
2169     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2170     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2171 
2172     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2173     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2174 
2175     return view_menu;
2176 }
2177 
2178 static void gd_create_menus(GtkDisplayState *s)
2179 {
2180     s->accel_group = gtk_accel_group_new();
2181     s->machine_menu = gd_create_menu_machine(s);
2182     s->view_menu = gd_create_menu_view(s);
2183 
2184     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2185     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2186                               s->machine_menu);
2187     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2188 
2189     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2190     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2191     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2192 
2193     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2194     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2195 }
2196 
2197 static void gd_set_keycode_type(GtkDisplayState *s)
2198 {
2199 #ifdef GDK_WINDOWING_X11
2200     GdkDisplay *display = gtk_widget_get_display(s->window);
2201     if (GDK_IS_X11_DISPLAY(display)) {
2202         Display *x11_display = gdk_x11_display_get_xdisplay(display);
2203         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
2204                                          XkbUseCoreKbd);
2205         char *keycodes = NULL;
2206 
2207         if (desc && desc->names) {
2208             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
2209         }
2210         if (keycodes == NULL) {
2211             fprintf(stderr, "could not lookup keycode name\n");
2212         } else if (strstart(keycodes, "evdev", NULL)) {
2213             s->has_evdev = true;
2214         } else if (!strstart(keycodes, "xfree86", NULL)) {
2215             fprintf(stderr, "unknown keycodes `%s', please report to "
2216                     "qemu-devel@nongnu.org\n", keycodes);
2217         }
2218 
2219         if (desc) {
2220             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
2221         }
2222         if (keycodes) {
2223             XFree(keycodes);
2224         }
2225     }
2226 #endif
2227 }
2228 
2229 static gboolean gtkinit;
2230 
2231 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
2232 {
2233     VirtualConsole *vc;
2234 
2235     GtkDisplayState *s = g_malloc0(sizeof(*s));
2236     char *filename;
2237     GdkDisplay *window_display;
2238 
2239     if (!gtkinit) {
2240         fprintf(stderr, "gtk initialization failed\n");
2241         exit(1);
2242     }
2243 
2244     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2245 #if GTK_CHECK_VERSION(3, 2, 0)
2246     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2247 #else
2248     s->vbox = gtk_vbox_new(FALSE, 0);
2249 #endif
2250     s->notebook = gtk_notebook_new();
2251     s->menu_bar = gtk_menu_bar_new();
2252 
2253     s->free_scale = FALSE;
2254 
2255     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2256      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2257      * printable, but without changing any of the character classes to make
2258      * sure that we don't accidentally break implicit assumptions.  */
2259     setlocale(LC_MESSAGES, "");
2260     setlocale(LC_CTYPE, "C.UTF-8");
2261     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2262     textdomain("qemu");
2263 
2264     window_display = gtk_widget_get_display(s->window);
2265     s->null_cursor = gdk_cursor_new_for_display(window_display,
2266                                                 GDK_BLANK_CURSOR);
2267 
2268     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2269     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2270     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2271 
2272     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2273     if (filename) {
2274         GError *error = NULL;
2275         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2276         if (pixbuf) {
2277             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2278         } else {
2279             g_error_free(error);
2280         }
2281         g_free(filename);
2282     }
2283 
2284     gd_create_menus(s);
2285 
2286     gd_connect_signals(s);
2287 
2288     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2289     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2290 
2291     gd_update_caption(s);
2292 
2293     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2294     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2295 
2296     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2297 
2298     gtk_widget_show_all(s->window);
2299 
2300 #ifdef VTE_RESIZE_HACK
2301     {
2302         VirtualConsole *cur = gd_vc_find_current(s);
2303         if (cur) {
2304             int i;
2305 
2306             for (i = 0; i < s->nb_vcs; i++) {
2307                 VirtualConsole *vc = &s->vc[i];
2308                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2309                     gtk_widget_hide(vc->vte.terminal);
2310                 }
2311             }
2312             gd_update_windowsize(cur);
2313         }
2314     }
2315 #endif
2316 
2317     vc = gd_vc_find_current(s);
2318     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2319 #ifdef CONFIG_VTE
2320     gtk_widget_set_sensitive(s->copy_item,
2321                              vc && vc->type == GD_VC_VTE);
2322 #endif
2323 
2324     if (full_screen) {
2325         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2326     }
2327     if (grab_on_hover) {
2328         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2329     }
2330 
2331     gd_set_keycode_type(s);
2332 }
2333 
2334 void early_gtk_display_init(int opengl)
2335 {
2336     /* The QEMU code relies on the assumption that it's always run in
2337      * the C locale. Therefore it is not prepared to deal with
2338      * operations that produce different results depending on the
2339      * locale, such as printf's formatting of decimal numbers, and
2340      * possibly others.
2341      *
2342      * Since GTK+ calls setlocale() by default -importing the locale
2343      * settings from the environment- we must prevent it from doing so
2344      * using gtk_disable_setlocale().
2345      *
2346      * QEMU's GTK+ UI, however, _does_ have translations for some of
2347      * the menu items. As a trade-off between a functionally correct
2348      * QEMU and a fully internationalized UI we support importing
2349      * LC_MESSAGES from the environment (see the setlocale() call
2350      * earlier in this file). This allows us to display translated
2351      * messages leaving everything else untouched.
2352      */
2353     gtk_disable_setlocale();
2354     gtkinit = gtk_init_check(NULL, NULL);
2355     if (!gtkinit) {
2356         /* don't exit yet, that'll break -help */
2357         return;
2358     }
2359 
2360     switch (opengl) {
2361     case -1: /* default */
2362     case 0:  /* off */
2363         break;
2364     case 1: /* on */
2365 #if defined(CONFIG_OPENGL)
2366 #if defined(CONFIG_GTK_GL)
2367         gtk_gl_area_init();
2368 #else
2369         gtk_egl_init();
2370 #endif
2371 #endif
2372         break;
2373     default:
2374         g_assert_not_reached();
2375         break;
2376     }
2377 
2378 #if defined(CONFIG_VTE)
2379     type_register(&char_gd_vc_type_info);
2380 #endif
2381 }
2382