xref: /openbmc/qemu/ui/gtk.c (revision a9ded601)
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 "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 #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_texture  = gd_gl_area_scanout_texture,
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_disable  = gd_egl_scanout_disable,
692     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
693     .dpy_gl_update           = gd_egl_scanout_flush,
694 };
695 
696 #endif /* CONFIG_GTK_GL */
697 #endif /* CONFIG_OPENGL */
698 
699 /** QEMU Events **/
700 
701 static void gd_change_runstate(void *opaque, int running, RunState state)
702 {
703     GtkDisplayState *s = opaque;
704 
705     gd_update_caption(s);
706 }
707 
708 static void gd_mouse_mode_change(Notifier *notify, void *data)
709 {
710     GtkDisplayState *s;
711     int i;
712 
713     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
714     /* release the grab at switching to absolute mode */
715     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
716         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
717                                        FALSE);
718     }
719     for (i = 0; i < s->nb_vcs; i++) {
720         VirtualConsole *vc = &s->vc[i];
721         gd_update_cursor(vc);
722     }
723 }
724 
725 /** GTK Events **/
726 
727 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
728                                 void *opaque)
729 {
730     GtkDisplayState *s = opaque;
731     int i;
732 
733     if (!no_quit) {
734         for (i = 0; i < s->nb_vcs; i++) {
735             if (s->vc[i].type != GD_VC_GFX) {
736                 continue;
737             }
738             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
739         }
740         qmp_quit(NULL);
741         return FALSE;
742     }
743 
744     return TRUE;
745 }
746 
747 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
748 {
749     QemuUIInfo info;
750 
751     memset(&info, 0, sizeof(info));
752     info.width = width;
753     info.height = height;
754     dpy_set_ui_info(vc->gfx.dcl.con, &info);
755 }
756 
757 #if defined(CONFIG_GTK_GL)
758 
759 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
760                                 void *opaque)
761 {
762     VirtualConsole *vc = opaque;
763 
764     if (vc->gfx.gls) {
765         gd_gl_area_draw(vc);
766     }
767     return TRUE;
768 }
769 
770 static void gd_resize_event(GtkGLArea *area,
771                             gint width, gint height, gpointer *opaque)
772 {
773     VirtualConsole *vc = (void *)opaque;
774 
775     gd_set_ui_info(vc, width, height);
776 }
777 
778 #endif
779 
780 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
781 {
782     VirtualConsole *vc = opaque;
783     GtkDisplayState *s = vc->s;
784     int mx, my;
785     int ww, wh;
786     int fbw, fbh;
787 
788 #if defined(CONFIG_OPENGL)
789     if (vc->gfx.gls) {
790 #if defined(CONFIG_GTK_GL)
791         /* invoke render callback please */
792         return FALSE;
793 #else
794         gd_egl_draw(vc);
795         return TRUE;
796 #endif
797     }
798 #endif
799 
800     if (!gtk_widget_get_realized(widget)) {
801         return FALSE;
802     }
803     if (!vc->gfx.ds) {
804         return FALSE;
805     }
806 
807     fbw = surface_width(vc->gfx.ds);
808     fbh = surface_height(vc->gfx.ds);
809 
810     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
811 
812     if (s->full_screen) {
813         vc->gfx.scale_x = (double)ww / fbw;
814         vc->gfx.scale_y = (double)wh / fbh;
815     } else if (s->free_scale) {
816         double sx, sy;
817 
818         sx = (double)ww / fbw;
819         sy = (double)wh / fbh;
820 
821         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
822     }
823 
824     fbw *= vc->gfx.scale_x;
825     fbh *= vc->gfx.scale_y;
826 
827     mx = my = 0;
828     if (ww > fbw) {
829         mx = (ww - fbw) / 2;
830     }
831     if (wh > fbh) {
832         my = (wh - fbh) / 2;
833     }
834 
835     cairo_rectangle(cr, 0, 0, ww, wh);
836 
837     /* Optionally cut out the inner area where the pixmap
838        will be drawn. This avoids 'flashing' since we're
839        not double-buffering. Note we're using the undocumented
840        behaviour of drawing the rectangle from right to left
841        to cut out the whole */
842     cairo_rectangle(cr, mx + fbw, my,
843                     -1 * fbw, fbh);
844     cairo_fill(cr);
845 
846     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
847     cairo_set_source_surface(cr, vc->gfx.surface,
848                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
849     cairo_paint(cr);
850 
851     return TRUE;
852 }
853 
854 #if !GTK_CHECK_VERSION(3, 0, 0)
855 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
856                                 void *opaque)
857 {
858     cairo_t *cr;
859     gboolean ret;
860 
861     cr = gdk_cairo_create(gtk_widget_get_window(widget));
862     cairo_rectangle(cr,
863                     expose->area.x,
864                     expose->area.y,
865                     expose->area.width,
866                     expose->area.height);
867     cairo_clip(cr);
868 
869     ret = gd_draw_event(widget, cr, opaque);
870 
871     cairo_destroy(cr);
872 
873     return ret;
874 }
875 #endif
876 
877 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
878                                 void *opaque)
879 {
880     VirtualConsole *vc = opaque;
881     GtkDisplayState *s = vc->s;
882     int x, y;
883     int mx, my;
884     int fbh, fbw;
885     int ww, wh;
886 
887     if (!vc->gfx.ds) {
888         return TRUE;
889     }
890 
891     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
892     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
893 
894     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
895                           &ww, &wh);
896 
897     mx = my = 0;
898     if (ww > fbw) {
899         mx = (ww - fbw) / 2;
900     }
901     if (wh > fbh) {
902         my = (wh - fbh) / 2;
903     }
904 
905     x = (motion->x - mx) / vc->gfx.scale_x;
906     y = (motion->y - my) / vc->gfx.scale_y;
907 
908     if (qemu_input_is_absolute()) {
909         if (x < 0 || y < 0 ||
910             x >= surface_width(vc->gfx.ds) ||
911             y >= surface_height(vc->gfx.ds)) {
912             return TRUE;
913         }
914         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
915                              0, surface_width(vc->gfx.ds));
916         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
917                              0, surface_height(vc->gfx.ds));
918         qemu_input_event_sync();
919     } else if (s->last_set && s->ptr_owner == vc) {
920         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
921         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
922         qemu_input_event_sync();
923     }
924     s->last_x = x;
925     s->last_y = y;
926     s->last_set = TRUE;
927 
928     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
929         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
930         int screen_width, screen_height;
931 
932         int x = (int)motion->x_root;
933         int y = (int)motion->y_root;
934 
935 #if GTK_CHECK_VERSION(3, 22, 0)
936         {
937             GdkDisplay *dpy = gtk_widget_get_display(widget);
938             GdkWindow *win = gtk_widget_get_window(widget);
939             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
940             GdkRectangle geometry;
941             gdk_monitor_get_geometry(monitor, &geometry);
942             screen_width = geometry.width;
943             screen_height = geometry.height;
944         }
945 #else
946         {
947             screen_width = gdk_screen_get_width(screen);
948             screen_height = gdk_screen_get_height(screen);
949         }
950 #endif
951 
952         /* In relative mode check to see if client pointer hit
953          * one of the screen edges, and if so move it back by
954          * 200 pixels. This is important because the pointer
955          * in the server doesn't correspond 1-for-1, and so
956          * may still be only half way across the screen. Without
957          * this warp, the server pointer would thus appear to hit
958          * an invisible wall */
959         if (x == 0) {
960             x += 200;
961         }
962         if (y == 0) {
963             y += 200;
964         }
965         if (x == (screen_width - 1)) {
966             x -= 200;
967         }
968         if (y == (screen_height - 1)) {
969             y -= 200;
970         }
971 
972         if (x != (int)motion->x_root || y != (int)motion->y_root) {
973 #if GTK_CHECK_VERSION(3, 0, 0)
974             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
975             gdk_device_warp(dev, screen, x, y);
976 #else
977             GdkDisplay *display = gtk_widget_get_display(widget);
978             gdk_display_warp_pointer(display, screen, x, y);
979 #endif
980             s->last_set = FALSE;
981             return FALSE;
982         }
983     }
984     return TRUE;
985 }
986 
987 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
988                                 void *opaque)
989 {
990     VirtualConsole *vc = opaque;
991     GtkDisplayState *s = vc->s;
992     InputButton btn;
993 
994     /* implicitly grab the input at the first click in the relative mode */
995     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
996         !qemu_input_is_absolute() && s->ptr_owner != vc) {
997         if (!vc->window) {
998             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
999                                            TRUE);
1000         } else {
1001             gd_grab_pointer(vc, "relative-mode-click");
1002         }
1003         return TRUE;
1004     }
1005 
1006     if (button->button == 1) {
1007         btn = INPUT_BUTTON_LEFT;
1008     } else if (button->button == 2) {
1009         btn = INPUT_BUTTON_MIDDLE;
1010     } else if (button->button == 3) {
1011         btn = INPUT_BUTTON_RIGHT;
1012     } else if (button->button == 8) {
1013         btn = INPUT_BUTTON_SIDE;
1014     } else if (button->button == 9) {
1015         btn = INPUT_BUTTON_EXTRA;
1016     } else {
1017         return TRUE;
1018     }
1019 
1020     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1021                          button->type == GDK_BUTTON_PRESS);
1022     qemu_input_event_sync();
1023     return TRUE;
1024 }
1025 
1026 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1027                                 void *opaque)
1028 {
1029     VirtualConsole *vc = opaque;
1030     InputButton btn;
1031 
1032     if (scroll->direction == GDK_SCROLL_UP) {
1033         btn = INPUT_BUTTON_WHEEL_UP;
1034     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1035         btn = INPUT_BUTTON_WHEEL_DOWN;
1036 #if GTK_CHECK_VERSION(3, 4, 0)
1037     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1038         gdouble delta_x, delta_y;
1039         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1040                                          &delta_x, &delta_y)) {
1041             return TRUE;
1042         }
1043         if (delta_y > 0) {
1044             btn = INPUT_BUTTON_WHEEL_DOWN;
1045         } else {
1046             btn = INPUT_BUTTON_WHEEL_UP;
1047         }
1048 #endif
1049     } else {
1050         return TRUE;
1051     }
1052 
1053     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1054     qemu_input_event_sync();
1055     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1056     qemu_input_event_sync();
1057     return TRUE;
1058 }
1059 
1060 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
1061 {
1062     int qemu_keycode;
1063 
1064 #ifdef GDK_WINDOWING_WIN32
1065     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1066         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
1067         switch (qemu_keycode) {
1068         case 103:   /* alt gr */
1069             qemu_keycode = 56 | SCANCODE_GREY;
1070             break;
1071         }
1072         return qemu_keycode;
1073     }
1074 #endif
1075 
1076     if (gdk_keycode < 9) {
1077         qemu_keycode = 0;
1078     } else if (gdk_keycode < 97) {
1079         qemu_keycode = gdk_keycode - 8;
1080 #ifdef GDK_WINDOWING_X11
1081     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
1082         if (s->has_evdev) {
1083             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1084         } else {
1085             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
1086         }
1087 #endif
1088 #ifdef GDK_WINDOWING_WAYLAND
1089     } else if (GDK_IS_WAYLAND_DISPLAY(dpy) && gdk_keycode < 158) {
1090         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1091 #endif
1092     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
1093         qemu_keycode = 0x70;
1094     } else if (gdk_keycode == 211) { /* backslash */
1095         qemu_keycode = 0x73;
1096     } else {
1097         qemu_keycode = 0;
1098     }
1099 
1100     return qemu_keycode;
1101 }
1102 
1103 static gboolean gd_text_key_down(GtkWidget *widget,
1104                                  GdkEventKey *key, void *opaque)
1105 {
1106     VirtualConsole *vc = opaque;
1107     QemuConsole *con = vc->gfx.dcl.con;
1108 
1109     if (key->keyval == GDK_KEY_Delete) {
1110         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE);
1111     } else if (key->length) {
1112         kbd_put_string_console(con, key->string, key->length);
1113     } else {
1114         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
1115                                  key->hardware_keycode);
1116         int qcode = qemu_input_key_number_to_qcode(num);
1117         kbd_put_qcode_console(con, qcode);
1118     }
1119     return TRUE;
1120 }
1121 
1122 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1123 {
1124     VirtualConsole *vc = opaque;
1125     GtkDisplayState *s = vc->s;
1126     int gdk_keycode = key->hardware_keycode;
1127     int qemu_keycode;
1128     int i;
1129 
1130     if (s->ignore_keys) {
1131         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1132         return TRUE;
1133     }
1134 
1135     if (key->keyval == GDK_KEY_Pause) {
1136         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1137                                         key->type == GDK_KEY_PRESS);
1138         return TRUE;
1139     }
1140 
1141     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
1142                                   gdk_keycode);
1143 
1144     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
1145                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1146 
1147     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1148         if (qemu_keycode == modifier_keycode[i]) {
1149             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1150         }
1151     }
1152 
1153     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
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 #if !GTK_CHECK_VERSION(3, 0, 0)
1220     /* GTK2 sends the accel key to the target console - ignore this until */
1221     vc->s->ignore_keys = true;
1222 #endif
1223 }
1224 
1225 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1226 {
1227     GtkDisplayState *s = opaque;
1228     VirtualConsole *vc = gd_vc_find_current(s);
1229 
1230     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1231         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1232     } else {
1233         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1234     }
1235     gd_update_windowsize(vc);
1236 }
1237 
1238 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1239                                     void *opaque)
1240 {
1241     VirtualConsole *vc = opaque;
1242     GtkDisplayState *s = vc->s;
1243 
1244     gtk_widget_set_sensitive(vc->menu_item, true);
1245     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1246     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1247                                     vc->tab_item, vc->label);
1248     gtk_widget_destroy(vc->window);
1249     vc->window = NULL;
1250     return TRUE;
1251 }
1252 
1253 static gboolean gd_win_grab(void *opaque)
1254 {
1255     VirtualConsole *vc = opaque;
1256 
1257     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1258     if (vc->s->ptr_owner) {
1259         gd_ungrab_pointer(vc->s);
1260     } else {
1261         gd_grab_pointer(vc, "user-request-detached-tab");
1262     }
1263     return TRUE;
1264 }
1265 
1266 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1267 {
1268     GtkDisplayState *s = opaque;
1269     VirtualConsole *vc = gd_vc_find_current(s);
1270 
1271     if (vc->type == GD_VC_GFX &&
1272         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1273         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1274                                        FALSE);
1275     }
1276     if (!vc->window) {
1277         gtk_widget_set_sensitive(vc->menu_item, false);
1278         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1279         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1280 
1281         g_signal_connect(vc->window, "delete-event",
1282                          G_CALLBACK(gd_tab_window_close), vc);
1283         gtk_widget_show_all(vc->window);
1284 
1285         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1286             GtkAccelGroup *ag = gtk_accel_group_new();
1287             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1288 
1289             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1290                                                vc, NULL);
1291             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1292         }
1293 
1294         gd_update_geometry_hints(vc);
1295         gd_update_caption(s);
1296     }
1297 }
1298 
1299 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1300 {
1301     GtkDisplayState *s = opaque;
1302     VirtualConsole *vc = gd_vc_find_current(s);
1303 
1304     if (!s->full_screen) {
1305         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1306         gtk_widget_hide(s->menu_bar);
1307         if (vc->type == GD_VC_GFX) {
1308             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1309         }
1310         gtk_window_fullscreen(GTK_WINDOW(s->window));
1311         s->full_screen = TRUE;
1312     } else {
1313         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1314         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1315         gtk_widget_show(s->menu_bar);
1316         s->full_screen = FALSE;
1317         if (vc->type == GD_VC_GFX) {
1318             vc->gfx.scale_x = 1.0;
1319             vc->gfx.scale_y = 1.0;
1320             gd_update_windowsize(vc);
1321         }
1322     }
1323 
1324     gd_update_cursor(vc);
1325 }
1326 
1327 static void gd_accel_full_screen(void *opaque)
1328 {
1329     GtkDisplayState *s = opaque;
1330     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1331 }
1332 
1333 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1334 {
1335     GtkDisplayState *s = opaque;
1336     VirtualConsole *vc = gd_vc_find_current(s);
1337 
1338     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1339                                    FALSE);
1340 
1341     vc->gfx.scale_x += VC_SCALE_STEP;
1342     vc->gfx.scale_y += VC_SCALE_STEP;
1343 
1344     gd_update_windowsize(vc);
1345 }
1346 
1347 static void gd_accel_zoom_in(void *opaque)
1348 {
1349     GtkDisplayState *s = opaque;
1350     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1351 }
1352 
1353 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1354 {
1355     GtkDisplayState *s = opaque;
1356     VirtualConsole *vc = gd_vc_find_current(s);
1357 
1358     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1359                                    FALSE);
1360 
1361     vc->gfx.scale_x -= VC_SCALE_STEP;
1362     vc->gfx.scale_y -= VC_SCALE_STEP;
1363 
1364     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1365     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1366 
1367     gd_update_windowsize(vc);
1368 }
1369 
1370 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1371 {
1372     GtkDisplayState *s = opaque;
1373     VirtualConsole *vc = gd_vc_find_current(s);
1374 
1375     vc->gfx.scale_x = 1.0;
1376     vc->gfx.scale_y = 1.0;
1377 
1378     gd_update_windowsize(vc);
1379 }
1380 
1381 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1382 {
1383     GtkDisplayState *s = opaque;
1384     VirtualConsole *vc = gd_vc_find_current(s);
1385 
1386     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1387         s->free_scale = TRUE;
1388     } else {
1389         s->free_scale = FALSE;
1390         vc->gfx.scale_x = 1.0;
1391         vc->gfx.scale_y = 1.0;
1392     }
1393 
1394     gd_update_windowsize(vc);
1395     gd_update_full_redraw(vc);
1396 }
1397 
1398 #if GTK_CHECK_VERSION(3, 20, 0)
1399 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1400 {
1401     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1402     GdkSeat *seat = gdk_display_get_default_seat(display);
1403     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1404     GdkSeatCapabilities caps = 0;
1405     GdkCursor *cursor = NULL;
1406 
1407     if (kbd) {
1408         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1409     }
1410     if (ptr) {
1411         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1412         cursor = vc->s->null_cursor;
1413     }
1414 
1415     if (caps) {
1416         gdk_seat_grab(seat, window, caps, false, cursor,
1417                       NULL, NULL, NULL);
1418     } else {
1419         gdk_seat_ungrab(seat);
1420     }
1421 }
1422 #elif GTK_CHECK_VERSION(3, 0, 0)
1423 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1424                             GdkInputSource source, GdkEventMask mask,
1425                             GdkCursor *cursor)
1426 {
1427     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1428     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1429     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1430     GList *tmp = devs;
1431 
1432     for (tmp = devs; tmp; tmp = tmp->next) {
1433         GdkDevice *dev = tmp->data;
1434         if (gdk_device_get_source(dev) != source) {
1435             continue;
1436         }
1437         if (grab) {
1438             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1439             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1440                             mask, cursor, GDK_CURRENT_TIME);
1441         } else {
1442             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1443         }
1444     }
1445     g_list_free(devs);
1446 }
1447 #endif
1448 
1449 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1450 {
1451     if (vc->s->kbd_owner) {
1452         if (vc->s->kbd_owner == vc) {
1453             return;
1454         } else {
1455             gd_ungrab_keyboard(vc->s);
1456         }
1457     }
1458 
1459 #if GTK_CHECK_VERSION(3, 20, 0)
1460     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1461 #elif GTK_CHECK_VERSION(3, 0, 0)
1462     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1463                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1464                    NULL);
1465 #else
1466     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1467                       FALSE,
1468                       GDK_CURRENT_TIME);
1469 #endif
1470     vc->s->kbd_owner = vc;
1471     gd_update_caption(vc->s);
1472     trace_gd_grab(vc->label, "kbd", reason);
1473 }
1474 
1475 static void gd_ungrab_keyboard(GtkDisplayState *s)
1476 {
1477     VirtualConsole *vc = s->kbd_owner;
1478 
1479     if (vc == NULL) {
1480         return;
1481     }
1482     s->kbd_owner = NULL;
1483 
1484 #if GTK_CHECK_VERSION(3, 20, 0)
1485     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1486 #elif GTK_CHECK_VERSION(3, 0, 0)
1487     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1488 #else
1489     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1490 #endif
1491     gd_update_caption(s);
1492     trace_gd_ungrab(vc->label, "kbd");
1493 }
1494 
1495 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1496 {
1497     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1498 
1499     if (vc->s->ptr_owner) {
1500         if (vc->s->ptr_owner == vc) {
1501             return;
1502         } else {
1503             gd_ungrab_pointer(vc->s);
1504         }
1505     }
1506 
1507 #if GTK_CHECK_VERSION(3, 20, 0)
1508     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1509     gdk_device_get_position(gd_get_pointer(display),
1510                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1511 #elif GTK_CHECK_VERSION(3, 0, 0)
1512     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1513                     GDK_POINTER_MOTION_MASK |
1514                     GDK_BUTTON_PRESS_MASK |
1515                     GDK_BUTTON_RELEASE_MASK |
1516                     GDK_BUTTON_MOTION_MASK |
1517                     GDK_SCROLL_MASK,
1518                     vc->s->null_cursor);
1519     gdk_device_get_position(gd_get_pointer(display),
1520                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1521 #else
1522     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1523                      FALSE, /* All events to come to our window directly */
1524                      GDK_POINTER_MOTION_MASK |
1525                      GDK_BUTTON_PRESS_MASK |
1526                      GDK_BUTTON_RELEASE_MASK |
1527                      GDK_BUTTON_MOTION_MASK |
1528                      GDK_SCROLL_MASK,
1529                      NULL, /* Allow cursor to move over entire desktop */
1530                      vc->s->null_cursor,
1531                      GDK_CURRENT_TIME);
1532     gdk_display_get_pointer(display, NULL,
1533                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1534 #endif
1535     vc->s->ptr_owner = vc;
1536     gd_update_caption(vc->s);
1537     trace_gd_grab(vc->label, "ptr", reason);
1538 }
1539 
1540 static void gd_ungrab_pointer(GtkDisplayState *s)
1541 {
1542     VirtualConsole *vc = s->ptr_owner;
1543     GdkDisplay *display;
1544 
1545     if (vc == NULL) {
1546         return;
1547     }
1548     s->ptr_owner = NULL;
1549 
1550     display = gtk_widget_get_display(vc->gfx.drawing_area);
1551 #if GTK_CHECK_VERSION(3, 20, 0)
1552     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1553     gdk_device_warp(gd_get_pointer(display),
1554                     gtk_widget_get_screen(vc->gfx.drawing_area),
1555                     vc->s->grab_x_root, vc->s->grab_y_root);
1556 #elif GTK_CHECK_VERSION(3, 0, 0)
1557     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1558     gdk_device_warp(gd_get_pointer(display),
1559                     gtk_widget_get_screen(vc->gfx.drawing_area),
1560                     vc->s->grab_x_root, vc->s->grab_y_root);
1561 #else
1562     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1563     gdk_display_warp_pointer(display,
1564                              gtk_widget_get_screen(vc->gfx.drawing_area),
1565                              vc->s->grab_x_root, vc->s->grab_y_root);
1566 #endif
1567     gd_update_caption(s);
1568     trace_gd_ungrab(vc->label, "ptr");
1569 }
1570 
1571 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1572 {
1573     GtkDisplayState *s = opaque;
1574     VirtualConsole *vc = gd_vc_find_current(s);
1575 
1576     if (gd_is_grab_active(s)) {
1577         gd_grab_keyboard(vc, "user-request-main-window");
1578         gd_grab_pointer(vc, "user-request-main-window");
1579     } else {
1580         gd_ungrab_keyboard(s);
1581         gd_ungrab_pointer(s);
1582     }
1583 
1584     gd_update_cursor(vc);
1585 }
1586 
1587 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1588                            gpointer data)
1589 {
1590     GtkDisplayState *s = data;
1591     VirtualConsole *vc;
1592     gboolean on_vga;
1593 
1594     if (!gtk_widget_get_realized(s->notebook)) {
1595         return;
1596     }
1597 
1598 #ifdef VTE_RESIZE_HACK
1599     vc = gd_vc_find_current(s);
1600     if (vc && vc->type == GD_VC_VTE) {
1601         gtk_widget_hide(vc->vte.terminal);
1602     }
1603 #endif
1604     vc = gd_vc_find_by_page(s, arg2);
1605     if (!vc) {
1606         return;
1607     }
1608 #ifdef VTE_RESIZE_HACK
1609     if (vc->type == GD_VC_VTE) {
1610         gtk_widget_show(vc->vte.terminal);
1611     }
1612 #endif
1613     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1614                                    TRUE);
1615     on_vga = (vc->type == GD_VC_GFX &&
1616               qemu_console_is_graphic(vc->gfx.dcl.con));
1617     if (!on_vga) {
1618         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1619                                        FALSE);
1620     } else if (s->full_screen) {
1621         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1622                                        TRUE);
1623     }
1624     gtk_widget_set_sensitive(s->grab_item, on_vga);
1625 #ifdef CONFIG_VTE
1626     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1627 #endif
1628 
1629     gd_update_windowsize(vc);
1630     gd_update_cursor(vc);
1631 }
1632 
1633 static gboolean gd_enter_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_grab_keyboard(vc, "grab-on-hover");
1641     }
1642     return TRUE;
1643 }
1644 
1645 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1646                                gpointer opaque)
1647 {
1648     VirtualConsole *vc = opaque;
1649     GtkDisplayState *s = vc->s;
1650 
1651     if (gd_grab_on_hover(s)) {
1652         gd_ungrab_keyboard(s);
1653     }
1654     return TRUE;
1655 }
1656 
1657 static gboolean gd_focus_out_event(GtkWidget *widget,
1658                                    GdkEventCrossing *crossing, gpointer opaque)
1659 {
1660     VirtualConsole *vc = opaque;
1661     GtkDisplayState *s = vc->s;
1662 
1663     gtk_release_modifiers(s);
1664     return TRUE;
1665 }
1666 
1667 static gboolean gd_configure(GtkWidget *widget,
1668                              GdkEventConfigure *cfg, gpointer opaque)
1669 {
1670     VirtualConsole *vc = opaque;
1671 
1672     gd_set_ui_info(vc, cfg->width, cfg->height);
1673     return FALSE;
1674 }
1675 
1676 /** Virtual Console Callbacks **/
1677 
1678 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1679                                int idx, GSList *group, GtkWidget *view_menu)
1680 {
1681     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1682     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1683             HOTKEY_MODIFIERS, 0,
1684             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1685 #if GTK_CHECK_VERSION(3, 8, 0)
1686     gtk_accel_label_set_accel(
1687             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1688             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1689 #endif
1690 
1691     g_signal_connect(vc->menu_item, "activate",
1692                      G_CALLBACK(gd_menu_switch_vc), s);
1693     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1694 
1695     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1696     return group;
1697 }
1698 
1699 #if defined(CONFIG_VTE)
1700 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1701 {
1702     GtkDisplayState *s = opaque;
1703     VirtualConsole *vc = gd_vc_find_current(s);
1704 
1705     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1706 }
1707 
1708 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1709 {
1710     VirtualConsole *vc = opaque;
1711 
1712     if (gtk_adjustment_get_upper(adjustment) >
1713         gtk_adjustment_get_page_size(adjustment)) {
1714         gtk_widget_show(vc->vte.scrollbar);
1715     } else {
1716         gtk_widget_hide(vc->vte.scrollbar);
1717     }
1718 }
1719 
1720 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1721 {
1722     VCChardev *vcd = VC_CHARDEV(chr);
1723     VirtualConsole *vc = vcd->console;
1724 
1725     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1726     return len;
1727 }
1728 
1729 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1730 {
1731     VCChardev *vcd = VC_CHARDEV(chr);
1732     VirtualConsole *vc = vcd->console;
1733 
1734     if (vc) {
1735         vc->vte.echo = echo;
1736     } else {
1737         vcd->echo = echo;
1738     }
1739 }
1740 
1741 static int nb_vcs;
1742 static Chardev *vcs[MAX_VCS];
1743 static void gd_vc_open(Chardev *chr,
1744                        ChardevBackend *backend,
1745                        bool *be_opened,
1746                        Error **errp)
1747 {
1748     if (nb_vcs == MAX_VCS) {
1749         error_setg(errp, "Maximum number of consoles reached");
1750         return;
1751     }
1752 
1753     vcs[nb_vcs++] = chr;
1754 
1755     /* console/chardev init sometimes completes elsewhere in a 2nd
1756      * stage, so defer OPENED events until they are fully initialized
1757      */
1758     *be_opened = false;
1759 }
1760 
1761 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1762 {
1763     ChardevClass *cc = CHARDEV_CLASS(oc);
1764 
1765     cc->parse = qemu_chr_parse_vc;
1766     cc->open = gd_vc_open;
1767     cc->chr_write = gd_vc_chr_write;
1768     cc->chr_set_echo = gd_vc_chr_set_echo;
1769 }
1770 
1771 static const TypeInfo char_gd_vc_type_info = {
1772     .name = TYPE_CHARDEV_VC,
1773     .parent = TYPE_CHARDEV,
1774     .instance_size = sizeof(VCChardev),
1775     .class_init = char_gd_vc_class_init,
1776 };
1777 
1778 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1779                          gpointer user_data)
1780 {
1781     VirtualConsole *vc = user_data;
1782 
1783     if (vc->vte.echo) {
1784         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1785         int i;
1786         for (i = 0; i < size; i++) {
1787             uint8_t c = text[i];
1788             if (c >= 128 || isprint(c)) {
1789                 /* 8-bit characters are considered printable.  */
1790                 vte_terminal_feed(term, &text[i], 1);
1791             } else if (c == '\r' || c == '\n') {
1792                 vte_terminal_feed(term, "\r\n", 2);
1793             } else {
1794                 char ctrl[2] = { '^', 0};
1795                 ctrl[1] = text[i] ^ 64;
1796                 vte_terminal_feed(term, ctrl, 2);
1797             }
1798         }
1799     }
1800 
1801     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1802     return TRUE;
1803 }
1804 
1805 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1806                               Chardev *chr, int idx,
1807                               GSList *group, GtkWidget *view_menu)
1808 {
1809     char buffer[32];
1810     GtkWidget *box;
1811     GtkWidget *scrollbar;
1812     GtkAdjustment *vadjustment;
1813     VCChardev *vcd = VC_CHARDEV(chr);
1814 
1815     vc->s = s;
1816     vc->vte.echo = vcd->echo;
1817     vc->vte.chr = chr;
1818     vcd->console = vc;
1819 
1820     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1821     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1822                                 ? vc->vte.chr->label : buffer);
1823     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1824 
1825     vc->vte.terminal = vte_terminal_new();
1826     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1827 
1828     /* The documentation says that the default is UTF-8, but actually it is
1829      * 7-bit ASCII at least in VTE 0.38.
1830      */
1831 #if VTE_CHECK_VERSION(0, 38, 0)
1832     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1833 #else
1834     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1835 #endif
1836 
1837     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1838     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1839                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1840 
1841 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1842     vadjustment = gtk_scrollable_get_vadjustment
1843         (GTK_SCROLLABLE(vc->vte.terminal));
1844 #else
1845     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1846 #endif
1847 
1848 #if GTK_CHECK_VERSION(3, 0, 0)
1849     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1850     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1851 #else
1852     box = gtk_hbox_new(false, 2);
1853     scrollbar = gtk_vscrollbar_new(vadjustment);
1854 #endif
1855 
1856     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1857     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1858 
1859     vc->vte.box = box;
1860     vc->vte.scrollbar = scrollbar;
1861 
1862     g_signal_connect(vadjustment, "changed",
1863                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1864 
1865     vc->type = GD_VC_VTE;
1866     vc->tab_item = box;
1867     vc->focus = vc->vte.terminal;
1868     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1869                              gtk_label_new(vc->label));
1870 
1871     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1872 
1873     return group;
1874 }
1875 
1876 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1877                         GtkWidget *view_menu)
1878 {
1879     int i;
1880 
1881     for (i = 0; i < nb_vcs; i++) {
1882         VirtualConsole *vc = &s->vc[s->nb_vcs];
1883         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1884         s->nb_vcs++;
1885     }
1886 }
1887 #endif /* CONFIG_VTE */
1888 
1889 /** Window Creation **/
1890 
1891 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1892 {
1893 #if GTK_CHECK_VERSION(3, 0, 0)
1894     g_signal_connect(vc->gfx.drawing_area, "draw",
1895                      G_CALLBACK(gd_draw_event), vc);
1896 #if defined(CONFIG_GTK_GL)
1897     if (display_opengl) {
1898         /* wire up GtkGlArea events */
1899         g_signal_connect(vc->gfx.drawing_area, "render",
1900                          G_CALLBACK(gd_render_event), vc);
1901         g_signal_connect(vc->gfx.drawing_area, "resize",
1902                          G_CALLBACK(gd_resize_event), vc);
1903     }
1904 #endif
1905 #else
1906     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1907                      G_CALLBACK(gd_expose_event), vc);
1908 #endif
1909     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1910         g_signal_connect(vc->gfx.drawing_area, "event",
1911                          G_CALLBACK(gd_event), vc);
1912         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1913                          G_CALLBACK(gd_button_event), vc);
1914         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1915                          G_CALLBACK(gd_button_event), vc);
1916         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1917                          G_CALLBACK(gd_scroll_event), vc);
1918         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1919                          G_CALLBACK(gd_key_event), vc);
1920         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1921                          G_CALLBACK(gd_key_event), vc);
1922 
1923         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1924                          G_CALLBACK(gd_enter_event), vc);
1925         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1926                          G_CALLBACK(gd_leave_event), vc);
1927         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1928                          G_CALLBACK(gd_focus_out_event), vc);
1929         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1930                          G_CALLBACK(gd_configure), vc);
1931     } else {
1932         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1933                          G_CALLBACK(gd_text_key_down), vc);
1934     }
1935 }
1936 
1937 static void gd_connect_signals(GtkDisplayState *s)
1938 {
1939     g_signal_connect(s->show_tabs_item, "activate",
1940                      G_CALLBACK(gd_menu_show_tabs), s);
1941     g_signal_connect(s->untabify_item, "activate",
1942                      G_CALLBACK(gd_menu_untabify), s);
1943 
1944     g_signal_connect(s->window, "delete-event",
1945                      G_CALLBACK(gd_window_close), s);
1946 
1947     g_signal_connect(s->pause_item, "activate",
1948                      G_CALLBACK(gd_menu_pause), s);
1949     g_signal_connect(s->reset_item, "activate",
1950                      G_CALLBACK(gd_menu_reset), s);
1951     g_signal_connect(s->powerdown_item, "activate",
1952                      G_CALLBACK(gd_menu_powerdown), s);
1953     g_signal_connect(s->quit_item, "activate",
1954                      G_CALLBACK(gd_menu_quit), s);
1955 #if defined(CONFIG_VTE)
1956     g_signal_connect(s->copy_item, "activate",
1957                      G_CALLBACK(gd_menu_copy), s);
1958 #endif
1959     g_signal_connect(s->full_screen_item, "activate",
1960                      G_CALLBACK(gd_menu_full_screen), s);
1961     g_signal_connect(s->zoom_in_item, "activate",
1962                      G_CALLBACK(gd_menu_zoom_in), s);
1963     g_signal_connect(s->zoom_out_item, "activate",
1964                      G_CALLBACK(gd_menu_zoom_out), s);
1965     g_signal_connect(s->zoom_fixed_item, "activate",
1966                      G_CALLBACK(gd_menu_zoom_fixed), s);
1967     g_signal_connect(s->zoom_fit_item, "activate",
1968                      G_CALLBACK(gd_menu_zoom_fit), s);
1969     g_signal_connect(s->grab_item, "activate",
1970                      G_CALLBACK(gd_menu_grab_input), s);
1971     g_signal_connect(s->notebook, "switch-page",
1972                      G_CALLBACK(gd_change_page), s);
1973 }
1974 
1975 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1976 {
1977     GtkWidget *machine_menu;
1978     GtkWidget *separator;
1979 
1980     machine_menu = gtk_menu_new();
1981     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1982 
1983     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1984     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1985 
1986     separator = gtk_separator_menu_item_new();
1987     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1988 
1989     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1990     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1991 
1992     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1993     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1994 
1995     separator = gtk_separator_menu_item_new();
1996     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1997 
1998     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1999     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2000                                  "<QEMU>/Machine/Quit");
2001     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2002                             GDK_KEY_q, HOTKEY_MODIFIERS);
2003     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2004 
2005     return machine_menu;
2006 }
2007 
2008 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2009                               QemuConsole *con, int idx,
2010                               GSList *group, GtkWidget *view_menu)
2011 {
2012     vc->label = qemu_console_get_label(con);
2013     vc->s = s;
2014     vc->gfx.scale_x = 1.0;
2015     vc->gfx.scale_y = 1.0;
2016 
2017 #if defined(CONFIG_OPENGL)
2018     if (display_opengl) {
2019 #if defined(CONFIG_GTK_GL)
2020         vc->gfx.drawing_area = gtk_gl_area_new();
2021         vc->gfx.dcl.ops = &dcl_gl_area_ops;
2022 #else
2023         vc->gfx.drawing_area = gtk_drawing_area_new();
2024         /*
2025          * gtk_widget_set_double_buffered() was deprecated in 3.14.
2026          * It is required for opengl rendering on X11 though.  A
2027          * proper replacement (native opengl support) is only
2028          * available in 3.16+.  Silence the warning if possible.
2029          */
2030 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2031 #pragma GCC diagnostic push
2032 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2033 #endif
2034         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2035 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2036 #pragma GCC diagnostic pop
2037 #endif
2038         vc->gfx.dcl.ops = &dcl_egl_ops;
2039 #endif /* CONFIG_GTK_GL */
2040     } else
2041 #endif
2042     {
2043         vc->gfx.drawing_area = gtk_drawing_area_new();
2044         vc->gfx.dcl.ops = &dcl_ops;
2045     }
2046 
2047 
2048     gtk_widget_add_events(vc->gfx.drawing_area,
2049                           GDK_POINTER_MOTION_MASK |
2050                           GDK_BUTTON_PRESS_MASK |
2051                           GDK_BUTTON_RELEASE_MASK |
2052                           GDK_BUTTON_MOTION_MASK |
2053                           GDK_ENTER_NOTIFY_MASK |
2054                           GDK_LEAVE_NOTIFY_MASK |
2055                           GDK_SCROLL_MASK |
2056                           GDK_KEY_PRESS_MASK);
2057     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2058 
2059     vc->type = GD_VC_GFX;
2060     vc->tab_item = vc->gfx.drawing_area;
2061     vc->focus = vc->gfx.drawing_area;
2062     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2063                              vc->tab_item, gtk_label_new(vc->label));
2064 
2065     vc->gfx.dcl.con = con;
2066     register_displaychangelistener(&vc->gfx.dcl);
2067 
2068     gd_connect_vc_gfx_signals(vc);
2069     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2070 
2071     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2072         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2073         s->free_scale = true;
2074     }
2075 
2076     return group;
2077 }
2078 
2079 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2080 {
2081     GSList *group = NULL;
2082     GtkWidget *view_menu;
2083     GtkWidget *separator;
2084     QemuConsole *con;
2085     int vc;
2086 
2087     view_menu = gtk_menu_new();
2088     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2089 
2090     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2091 
2092 #if defined(CONFIG_VTE)
2093     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2094     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2095 #endif
2096 
2097     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2098             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2099 #if GTK_CHECK_VERSION(3, 8, 0)
2100     gtk_accel_label_set_accel(
2101             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2102             GDK_KEY_f, HOTKEY_MODIFIERS);
2103 #endif
2104     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2105 
2106     separator = gtk_separator_menu_item_new();
2107     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2108 
2109     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2110     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2111                                  "<QEMU>/View/Zoom In");
2112     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2113                             HOTKEY_MODIFIERS);
2114     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2115             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2116     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2117 
2118     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2119     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2120                                  "<QEMU>/View/Zoom Out");
2121     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2122                             HOTKEY_MODIFIERS);
2123     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2124 
2125     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2126     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2127                                  "<QEMU>/View/Zoom Fixed");
2128     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2129                             HOTKEY_MODIFIERS);
2130     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2131 
2132     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2133     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2134 
2135     separator = gtk_separator_menu_item_new();
2136     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2137 
2138     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2139     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2140 
2141     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2142     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2143                                  "<QEMU>/View/Grab Input");
2144     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2145                             HOTKEY_MODIFIERS);
2146     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2147 
2148     separator = gtk_separator_menu_item_new();
2149     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2150 
2151     /* gfx */
2152     for (vc = 0;; vc++) {
2153         con = qemu_console_lookup_by_index(vc);
2154         if (!con) {
2155             break;
2156         }
2157         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2158                                vc, group, view_menu);
2159         s->nb_vcs++;
2160     }
2161 
2162 #if defined(CONFIG_VTE)
2163     /* vte */
2164     gd_vcs_init(s, group, view_menu);
2165 #endif
2166 
2167     separator = gtk_separator_menu_item_new();
2168     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2169 
2170     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2171     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2172 
2173     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2174     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2175 
2176     return view_menu;
2177 }
2178 
2179 static void gd_create_menus(GtkDisplayState *s)
2180 {
2181     s->accel_group = gtk_accel_group_new();
2182     s->machine_menu = gd_create_menu_machine(s);
2183     s->view_menu = gd_create_menu_view(s);
2184 
2185     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2186     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2187                               s->machine_menu);
2188     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2189 
2190     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2191     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2192     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2193 
2194     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2195     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2196 }
2197 
2198 static void gd_set_keycode_type(GtkDisplayState *s)
2199 {
2200 #ifdef GDK_WINDOWING_X11
2201     GdkDisplay *display = gtk_widget_get_display(s->window);
2202     if (GDK_IS_X11_DISPLAY(display)) {
2203         Display *x11_display = gdk_x11_display_get_xdisplay(display);
2204         XkbDescPtr desc = XkbGetMap(x11_display, XkbGBN_AllComponentsMask,
2205                                     XkbUseCoreKbd);
2206         char *keycodes = NULL;
2207 
2208         if (desc &&
2209             (XkbGetNames(x11_display, XkbKeycodesNameMask, desc) == Success)) {
2210             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
2211         }
2212         if (keycodes == NULL) {
2213             fprintf(stderr, "could not lookup keycode name\n");
2214         } else if (strstart(keycodes, "evdev", NULL)) {
2215             s->has_evdev = true;
2216         } else if (!strstart(keycodes, "xfree86", NULL)) {
2217             fprintf(stderr, "unknown keycodes `%s', please report to "
2218                     "qemu-devel@nongnu.org\n", keycodes);
2219         }
2220 
2221         if (desc) {
2222             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
2223         }
2224         if (keycodes) {
2225             XFree(keycodes);
2226         }
2227     }
2228 #endif
2229 }
2230 
2231 static gboolean gtkinit;
2232 
2233 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
2234 {
2235     VirtualConsole *vc;
2236 
2237     GtkDisplayState *s = g_malloc0(sizeof(*s));
2238     char *filename;
2239     GdkDisplay *window_display;
2240 
2241     if (!gtkinit) {
2242         fprintf(stderr, "gtk initialization failed\n");
2243         exit(1);
2244     }
2245 
2246     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2247 #if GTK_CHECK_VERSION(3, 2, 0)
2248     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2249 #else
2250     s->vbox = gtk_vbox_new(FALSE, 0);
2251 #endif
2252     s->notebook = gtk_notebook_new();
2253     s->menu_bar = gtk_menu_bar_new();
2254 
2255     s->free_scale = FALSE;
2256 
2257     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2258      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2259      * printable, but without changing any of the character classes to make
2260      * sure that we don't accidentally break implicit assumptions.  */
2261     setlocale(LC_MESSAGES, "");
2262     setlocale(LC_CTYPE, "C.UTF-8");
2263     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2264     textdomain("qemu");
2265 
2266     window_display = gtk_widget_get_display(s->window);
2267     s->null_cursor = gdk_cursor_new_for_display(window_display,
2268                                                 GDK_BLANK_CURSOR);
2269 
2270     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2271     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2272     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2273 
2274     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2275     if (filename) {
2276         GError *error = NULL;
2277         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2278         if (pixbuf) {
2279             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2280         } else {
2281             g_error_free(error);
2282         }
2283         g_free(filename);
2284     }
2285 
2286     gd_create_menus(s);
2287 
2288     gd_connect_signals(s);
2289 
2290     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2291     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2292 
2293     gd_update_caption(s);
2294 
2295     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2296     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2297 
2298     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2299 
2300     gtk_widget_show_all(s->window);
2301 
2302 #ifdef VTE_RESIZE_HACK
2303     {
2304         VirtualConsole *cur = gd_vc_find_current(s);
2305         if (cur) {
2306             int i;
2307 
2308             for (i = 0; i < s->nb_vcs; i++) {
2309                 VirtualConsole *vc = &s->vc[i];
2310                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2311                     gtk_widget_hide(vc->vte.terminal);
2312                 }
2313             }
2314             gd_update_windowsize(cur);
2315         }
2316     }
2317 #endif
2318 
2319     vc = gd_vc_find_current(s);
2320     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2321 #ifdef CONFIG_VTE
2322     gtk_widget_set_sensitive(s->copy_item,
2323                              vc && vc->type == GD_VC_VTE);
2324 #endif
2325 
2326     if (full_screen) {
2327         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2328     }
2329     if (grab_on_hover) {
2330         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2331     }
2332 
2333     gd_set_keycode_type(s);
2334 }
2335 
2336 void early_gtk_display_init(int opengl)
2337 {
2338     /* The QEMU code relies on the assumption that it's always run in
2339      * the C locale. Therefore it is not prepared to deal with
2340      * operations that produce different results depending on the
2341      * locale, such as printf's formatting of decimal numbers, and
2342      * possibly others.
2343      *
2344      * Since GTK+ calls setlocale() by default -importing the locale
2345      * settings from the environment- we must prevent it from doing so
2346      * using gtk_disable_setlocale().
2347      *
2348      * QEMU's GTK+ UI, however, _does_ have translations for some of
2349      * the menu items. As a trade-off between a functionally correct
2350      * QEMU and a fully internationalized UI we support importing
2351      * LC_MESSAGES from the environment (see the setlocale() call
2352      * earlier in this file). This allows us to display translated
2353      * messages leaving everything else untouched.
2354      */
2355     gtk_disable_setlocale();
2356     gtkinit = gtk_init_check(NULL, NULL);
2357     if (!gtkinit) {
2358         /* don't exit yet, that'll break -help */
2359         return;
2360     }
2361 
2362     switch (opengl) {
2363     case -1: /* default */
2364     case 0:  /* off */
2365         break;
2366     case 1: /* on */
2367 #if defined(CONFIG_OPENGL)
2368 #if defined(CONFIG_GTK_GL)
2369         gtk_gl_area_init();
2370 #else
2371         gtk_egl_init();
2372 #endif
2373 #endif
2374         break;
2375     default:
2376         g_assert_not_reached();
2377         break;
2378     }
2379 
2380 #if defined(CONFIG_VTE)
2381     type_register(&char_gd_vc_type_info);
2382 #endif
2383 }
2384