xref: /openbmc/qemu/ui/gtk.c (revision 0ec7b3e7)
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_minus GDK_minus
109 #define GDK_KEY_Pause GDK_Pause
110 #define GDK_KEY_Delete GDK_Delete
111 #endif
112 
113 /* Some older mingw versions lack this constant or have
114  * it conditionally defined */
115 #ifdef _WIN32
116 # ifndef MAPVK_VK_TO_VSC
117 #  define MAPVK_VK_TO_VSC 0
118 # endif
119 #endif
120 
121 
122 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
123 
124 static const int modifier_keycode[] = {
125     /* shift, control, alt keys, meta keys, both left & right */
126     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
127 };
128 
129 struct GtkDisplayState {
130     GtkWidget *window;
131 
132     GtkWidget *menu_bar;
133 
134     GtkAccelGroup *accel_group;
135 
136     GtkWidget *machine_menu_item;
137     GtkWidget *machine_menu;
138     GtkWidget *pause_item;
139     GtkWidget *reset_item;
140     GtkWidget *powerdown_item;
141     GtkWidget *quit_item;
142 
143     GtkWidget *view_menu_item;
144     GtkWidget *view_menu;
145     GtkWidget *full_screen_item;
146     GtkWidget *copy_item;
147     GtkWidget *zoom_in_item;
148     GtkWidget *zoom_out_item;
149     GtkWidget *zoom_fixed_item;
150     GtkWidget *zoom_fit_item;
151     GtkWidget *grab_item;
152     GtkWidget *grab_on_hover_item;
153 
154     int nb_vcs;
155     VirtualConsole vc[MAX_VCS];
156 
157     GtkWidget *show_tabs_item;
158     GtkWidget *untabify_item;
159 
160     GtkWidget *vbox;
161     GtkWidget *notebook;
162     int button_mask;
163     gboolean last_set;
164     int last_x;
165     int last_y;
166     int grab_x_root;
167     int grab_y_root;
168     VirtualConsole *kbd_owner;
169     VirtualConsole *ptr_owner;
170 
171     gboolean full_screen;
172 
173     GdkCursor *null_cursor;
174     Notifier mouse_mode_notifier;
175     gboolean free_scale;
176 
177     bool external_pause_update;
178 
179     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
180     bool has_evdev;
181     bool ignore_keys;
182 };
183 
184 typedef struct VCChardev {
185     Chardev parent;
186     VirtualConsole *console;
187     bool echo;
188 } VCChardev;
189 
190 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
191 static void gd_ungrab_pointer(GtkDisplayState *s);
192 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
193 static void gd_ungrab_keyboard(GtkDisplayState *s);
194 
195 /** Utility Functions **/
196 
197 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
198 {
199     VirtualConsole *vc;
200     gint i;
201 
202     for (i = 0; i < s->nb_vcs; i++) {
203         vc = &s->vc[i];
204         if (gtk_check_menu_item_get_active
205             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
206             return vc;
207         }
208     }
209     return NULL;
210 }
211 
212 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
213 {
214     VirtualConsole *vc;
215     gint i, p;
216 
217     for (i = 0; i < s->nb_vcs; i++) {
218         vc = &s->vc[i];
219         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
220         if (p == page) {
221             return vc;
222         }
223     }
224     return NULL;
225 }
226 
227 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
228 {
229     gint page;
230 
231     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
232     return gd_vc_find_by_page(s, page);
233 }
234 
235 static bool gd_is_grab_active(GtkDisplayState *s)
236 {
237     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
238 }
239 
240 static bool gd_grab_on_hover(GtkDisplayState *s)
241 {
242     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
243 }
244 
245 static void gd_update_cursor(VirtualConsole *vc)
246 {
247     GtkDisplayState *s = vc->s;
248     GdkWindow *window;
249 
250     if (vc->type != GD_VC_GFX ||
251         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
252         return;
253     }
254 
255     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
256         return;
257     }
258 
259     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
260     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
261         gdk_window_set_cursor(window, s->null_cursor);
262     } else {
263         gdk_window_set_cursor(window, NULL);
264     }
265 }
266 
267 static void gd_update_caption(GtkDisplayState *s)
268 {
269     const char *status = "";
270     gchar *prefix;
271     gchar *title;
272     const char *grab = "";
273     bool is_paused = !runstate_is_running();
274     int i;
275 
276     if (qemu_name) {
277         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
278     } else {
279         prefix = g_strdup_printf("QEMU");
280     }
281 
282     if (s->ptr_owner != NULL &&
283         s->ptr_owner->window == NULL) {
284         grab = _(" - Press Ctrl+Alt+G to release grab");
285     }
286 
287     if (is_paused) {
288         status = _(" [Paused]");
289     }
290     s->external_pause_update = true;
291     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
292                                    is_paused);
293     s->external_pause_update = false;
294 
295     title = g_strdup_printf("%s%s%s", prefix, status, grab);
296     gtk_window_set_title(GTK_WINDOW(s->window), title);
297     g_free(title);
298 
299     for (i = 0; i < s->nb_vcs; i++) {
300         VirtualConsole *vc = &s->vc[i];
301 
302         if (!vc->window) {
303             continue;
304         }
305         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
306                                 vc == s->kbd_owner ? " +kbd" : "",
307                                 vc == s->ptr_owner ? " +ptr" : "");
308         gtk_window_set_title(GTK_WINDOW(vc->window), title);
309         g_free(title);
310     }
311 
312     g_free(prefix);
313 }
314 
315 static void gd_update_geometry_hints(VirtualConsole *vc)
316 {
317     GtkDisplayState *s = vc->s;
318     GdkWindowHints mask = 0;
319     GdkGeometry geo = {};
320     GtkWidget *geo_widget = NULL;
321     GtkWindow *geo_window;
322 
323     if (vc->type == GD_VC_GFX) {
324         if (!vc->gfx.ds) {
325             return;
326         }
327         if (s->free_scale) {
328             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
329             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
330             mask |= GDK_HINT_MIN_SIZE;
331         } else {
332             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
333             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
334             mask |= GDK_HINT_MIN_SIZE;
335         }
336         geo_widget = vc->gfx.drawing_area;
337         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
338 
339 #if defined(CONFIG_VTE)
340     } else if (vc->type == GD_VC_VTE) {
341         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
342         GtkBorder padding = { 0 };
343 
344 #if VTE_CHECK_VERSION(0, 37, 0)
345         gtk_style_context_get_padding(
346                 gtk_widget_get_style_context(vc->vte.terminal),
347                 gtk_widget_get_state_flags(vc->vte.terminal),
348                 &padding);
349 #else
350         {
351             GtkBorder *ib = NULL;
352             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
353             if (ib) {
354                 padding = *ib;
355                 gtk_border_free(ib);
356             }
357         }
358 #endif
359 
360         geo.width_inc  = vte_terminal_get_char_width(term);
361         geo.height_inc = vte_terminal_get_char_height(term);
362         mask |= GDK_HINT_RESIZE_INC;
363         geo.base_width  = geo.width_inc;
364         geo.base_height = geo.height_inc;
365         mask |= GDK_HINT_BASE_SIZE;
366         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
367         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
368         mask |= GDK_HINT_MIN_SIZE;
369 
370         geo.base_width  += padding.left + padding.right;
371         geo.base_height += padding.top + padding.bottom;
372         geo.min_width   += padding.left + padding.right;
373         geo.min_height  += padding.top + padding.bottom;
374         geo_widget = vc->vte.terminal;
375 #endif
376     }
377 
378     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
379     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
380 }
381 
382 void gd_update_windowsize(VirtualConsole *vc)
383 {
384     GtkDisplayState *s = vc->s;
385 
386     gd_update_geometry_hints(vc);
387 
388     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
389         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
390                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
391     }
392 }
393 
394 static void gd_update_full_redraw(VirtualConsole *vc)
395 {
396     GtkWidget *area = vc->gfx.drawing_area;
397     int ww, wh;
398     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
399 #if defined(CONFIG_GTK_GL)
400     if (vc->gfx.gls) {
401         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
402         return;
403     }
404 #endif
405     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
406 }
407 
408 static void gtk_release_modifiers(GtkDisplayState *s)
409 {
410     VirtualConsole *vc = gd_vc_find_current(s);
411     int i, keycode;
412 
413     if (vc->type != GD_VC_GFX ||
414         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
415         return;
416     }
417     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
418         keycode = modifier_keycode[i];
419         if (!s->modifier_pressed[i]) {
420             continue;
421         }
422         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
423         s->modifier_pressed[i] = false;
424     }
425 }
426 
427 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
428                                GtkWidget *widget)
429 {
430     g_object_ref(G_OBJECT(widget));
431     gtk_container_remove(GTK_CONTAINER(from), widget);
432     gtk_container_add(GTK_CONTAINER(to), widget);
433     g_object_unref(G_OBJECT(widget));
434 }
435 
436 /** DisplayState Callbacks **/
437 
438 static void gd_update(DisplayChangeListener *dcl,
439                       int x, int y, int w, int h)
440 {
441     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
442     GdkWindow *win;
443     int x1, x2, y1, y2;
444     int mx, my;
445     int fbw, fbh;
446     int ww, wh;
447 
448     trace_gd_update(vc->label, x, y, w, h);
449 
450     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
451         return;
452     }
453 
454     if (vc->gfx.convert) {
455         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
456                                NULL, vc->gfx.convert,
457                                x, y, 0, 0, x, y, w, h);
458     }
459 
460     x1 = floor(x * vc->gfx.scale_x);
461     y1 = floor(y * vc->gfx.scale_y);
462 
463     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
464     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
465 
466     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
467     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
468 
469     win = gtk_widget_get_window(vc->gfx.drawing_area);
470     if (!win) {
471         return;
472     }
473     gdk_drawable_get_size(win, &ww, &wh);
474 
475     mx = my = 0;
476     if (ww > fbw) {
477         mx = (ww - fbw) / 2;
478     }
479     if (wh > fbh) {
480         my = (wh - fbh) / 2;
481     }
482 
483     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
484                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
485 }
486 
487 static void gd_refresh(DisplayChangeListener *dcl)
488 {
489     graphic_hw_update(dcl->con);
490 }
491 
492 #if GTK_CHECK_VERSION(3, 0, 0)
493 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
494 {
495 #if GTK_CHECK_VERSION(3, 20, 0)
496     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
497 #else
498     return gdk_device_manager_get_client_pointer(
499         gdk_display_get_device_manager(dpy));
500 #endif
501 }
502 
503 static void gd_mouse_set(DisplayChangeListener *dcl,
504                          int x, int y, int visible)
505 {
506     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
507     GdkDisplay *dpy;
508     gint x_root, y_root;
509 
510     if (qemu_input_is_absolute()) {
511         return;
512     }
513 
514     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
515     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
516                                x, y, &x_root, &y_root);
517     gdk_device_warp(gd_get_pointer(dpy),
518                     gtk_widget_get_screen(vc->gfx.drawing_area),
519                     x_root, y_root);
520     vc->s->last_x = x;
521     vc->s->last_y = y;
522 }
523 #else
524 static void gd_mouse_set(DisplayChangeListener *dcl,
525                          int x, int y, int visible)
526 {
527     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
528     gint x_root, y_root;
529 
530     if (qemu_input_is_absolute()) {
531         return;
532     }
533 
534     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
535                                x, y, &x_root, &y_root);
536     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
537                              gtk_widget_get_screen(vc->gfx.drawing_area),
538                              x_root, y_root);
539 }
540 #endif
541 
542 static void gd_cursor_define(DisplayChangeListener *dcl,
543                              QEMUCursor *c)
544 {
545     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
546     GdkPixbuf *pixbuf;
547     GdkCursor *cursor;
548 
549     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
550         return;
551     }
552 
553     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
554                                       GDK_COLORSPACE_RGB, true, 8,
555                                       c->width, c->height, c->width * 4,
556                                       NULL, NULL);
557     cursor = gdk_cursor_new_from_pixbuf
558         (gtk_widget_get_display(vc->gfx.drawing_area),
559          pixbuf, c->hot_x, c->hot_y);
560     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
561     g_object_unref(pixbuf);
562 #if !GTK_CHECK_VERSION(3, 0, 0)
563     gdk_cursor_unref(cursor);
564 #else
565     g_object_unref(cursor);
566 #endif
567 }
568 
569 static void gd_switch(DisplayChangeListener *dcl,
570                       DisplaySurface *surface)
571 {
572     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
573     bool resized = true;
574 
575     trace_gd_switch(vc->label,
576                     surface ? surface_width(surface)  : 0,
577                     surface ? surface_height(surface) : 0);
578 
579     if (vc->gfx.surface) {
580         cairo_surface_destroy(vc->gfx.surface);
581         vc->gfx.surface = NULL;
582     }
583     if (vc->gfx.convert) {
584         pixman_image_unref(vc->gfx.convert);
585         vc->gfx.convert = NULL;
586     }
587 
588     if (vc->gfx.ds && surface &&
589         surface_width(vc->gfx.ds) == surface_width(surface) &&
590         surface_height(vc->gfx.ds) == surface_height(surface)) {
591         resized = false;
592     }
593     vc->gfx.ds = surface;
594 
595     if (!surface) {
596         return;
597     }
598 
599     if (surface->format == PIXMAN_x8r8g8b8) {
600         /*
601          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
602          *
603          * No need to convert, use surface directly.  Should be the
604          * common case as this is qemu_default_pixelformat(32) too.
605          */
606         vc->gfx.surface = cairo_image_surface_create_for_data
607             (surface_data(surface),
608              CAIRO_FORMAT_RGB24,
609              surface_width(surface),
610              surface_height(surface),
611              surface_stride(surface));
612     } else {
613         /* Must convert surface, use pixman to do it. */
614         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
615                                                    surface_width(surface),
616                                                    surface_height(surface),
617                                                    NULL, 0);
618         vc->gfx.surface = cairo_image_surface_create_for_data
619             ((void *)pixman_image_get_data(vc->gfx.convert),
620              CAIRO_FORMAT_RGB24,
621              pixman_image_get_width(vc->gfx.convert),
622              pixman_image_get_height(vc->gfx.convert),
623              pixman_image_get_stride(vc->gfx.convert));
624         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
625                                NULL, vc->gfx.convert,
626                                0, 0, 0, 0, 0, 0,
627                                pixman_image_get_width(vc->gfx.convert),
628                                pixman_image_get_height(vc->gfx.convert));
629     }
630 
631     if (resized) {
632         gd_update_windowsize(vc);
633     } else {
634         gd_update_full_redraw(vc);
635     }
636 }
637 
638 static const DisplayChangeListenerOps dcl_ops = {
639     .dpy_name             = "gtk",
640     .dpy_gfx_update       = gd_update,
641     .dpy_gfx_switch       = gd_switch,
642     .dpy_gfx_check_format = qemu_pixman_check_format,
643     .dpy_refresh          = gd_refresh,
644     .dpy_mouse_set        = gd_mouse_set,
645     .dpy_cursor_define    = gd_cursor_define,
646 };
647 
648 
649 #if defined(CONFIG_OPENGL)
650 
651 /** DisplayState Callbacks (opengl version) **/
652 
653 #if defined(CONFIG_GTK_GL)
654 
655 static const DisplayChangeListenerOps dcl_gl_area_ops = {
656     .dpy_name             = "gtk-egl",
657     .dpy_gfx_update       = gd_gl_area_update,
658     .dpy_gfx_switch       = gd_gl_area_switch,
659     .dpy_gfx_check_format = console_gl_check_format,
660     .dpy_refresh          = gd_gl_area_refresh,
661     .dpy_mouse_set        = gd_mouse_set,
662     .dpy_cursor_define    = gd_cursor_define,
663 
664     .dpy_gl_ctx_create       = gd_gl_area_create_context,
665     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
666     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
667     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
668     .dpy_gl_scanout          = gd_gl_area_scanout,
669     .dpy_gl_update           = gd_gl_area_scanout_flush,
670 };
671 
672 #else
673 
674 static const DisplayChangeListenerOps dcl_egl_ops = {
675     .dpy_name             = "gtk-egl",
676     .dpy_gfx_update       = gd_egl_update,
677     .dpy_gfx_switch       = gd_egl_switch,
678     .dpy_gfx_check_format = console_gl_check_format,
679     .dpy_refresh          = gd_egl_refresh,
680     .dpy_mouse_set        = gd_mouse_set,
681     .dpy_cursor_define    = gd_cursor_define,
682 
683     .dpy_gl_ctx_create       = gd_egl_create_context,
684     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
685     .dpy_gl_ctx_make_current = gd_egl_make_current,
686     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
687     .dpy_gl_scanout          = gd_egl_scanout,
688     .dpy_gl_update           = gd_egl_scanout_flush,
689 };
690 
691 #endif /* CONFIG_GTK_GL */
692 #endif /* CONFIG_OPENGL */
693 
694 /** QEMU Events **/
695 
696 static void gd_change_runstate(void *opaque, int running, RunState state)
697 {
698     GtkDisplayState *s = opaque;
699 
700     gd_update_caption(s);
701 }
702 
703 static void gd_mouse_mode_change(Notifier *notify, void *data)
704 {
705     GtkDisplayState *s;
706     int i;
707 
708     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
709     /* release the grab at switching to absolute mode */
710     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
711         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
712                                        FALSE);
713     }
714     for (i = 0; i < s->nb_vcs; i++) {
715         VirtualConsole *vc = &s->vc[i];
716         gd_update_cursor(vc);
717     }
718 }
719 
720 /** GTK Events **/
721 
722 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
723                                 void *opaque)
724 {
725     GtkDisplayState *s = opaque;
726     int i;
727 
728     if (!no_quit) {
729         for (i = 0; i < s->nb_vcs; i++) {
730             if (s->vc[i].type != GD_VC_GFX) {
731                 continue;
732             }
733             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
734         }
735         qmp_quit(NULL);
736         return FALSE;
737     }
738 
739     return TRUE;
740 }
741 
742 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
743 {
744     QemuUIInfo info;
745 
746     memset(&info, 0, sizeof(info));
747     info.width = width;
748     info.height = height;
749     dpy_set_ui_info(vc->gfx.dcl.con, &info);
750 }
751 
752 #if defined(CONFIG_GTK_GL)
753 
754 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
755                                 void *opaque)
756 {
757     VirtualConsole *vc = opaque;
758 
759     if (vc->gfx.gls) {
760         gd_gl_area_draw(vc);
761     }
762     return TRUE;
763 }
764 
765 static void gd_resize_event(GtkGLArea *area,
766                             gint width, gint height, gpointer *opaque)
767 {
768     VirtualConsole *vc = (void *)opaque;
769 
770     gd_set_ui_info(vc, width, height);
771 }
772 
773 #endif
774 
775 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
776 {
777     VirtualConsole *vc = opaque;
778     GtkDisplayState *s = vc->s;
779     int mx, my;
780     int ww, wh;
781     int fbw, fbh;
782 
783 #if defined(CONFIG_OPENGL)
784     if (vc->gfx.gls) {
785 #if defined(CONFIG_GTK_GL)
786         /* invoke render callback please */
787         return FALSE;
788 #else
789         gd_egl_draw(vc);
790         return TRUE;
791 #endif
792     }
793 #endif
794 
795     if (!gtk_widget_get_realized(widget)) {
796         return FALSE;
797     }
798     if (!vc->gfx.ds) {
799         return FALSE;
800     }
801 
802     fbw = surface_width(vc->gfx.ds);
803     fbh = surface_height(vc->gfx.ds);
804 
805     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
806 
807     if (s->full_screen) {
808         vc->gfx.scale_x = (double)ww / fbw;
809         vc->gfx.scale_y = (double)wh / fbh;
810     } else if (s->free_scale) {
811         double sx, sy;
812 
813         sx = (double)ww / fbw;
814         sy = (double)wh / fbh;
815 
816         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
817     }
818 
819     fbw *= vc->gfx.scale_x;
820     fbh *= vc->gfx.scale_y;
821 
822     mx = my = 0;
823     if (ww > fbw) {
824         mx = (ww - fbw) / 2;
825     }
826     if (wh > fbh) {
827         my = (wh - fbh) / 2;
828     }
829 
830     cairo_rectangle(cr, 0, 0, ww, wh);
831 
832     /* Optionally cut out the inner area where the pixmap
833        will be drawn. This avoids 'flashing' since we're
834        not double-buffering. Note we're using the undocumented
835        behaviour of drawing the rectangle from right to left
836        to cut out the whole */
837     cairo_rectangle(cr, mx + fbw, my,
838                     -1 * fbw, fbh);
839     cairo_fill(cr);
840 
841     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
842     cairo_set_source_surface(cr, vc->gfx.surface,
843                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
844     cairo_paint(cr);
845 
846     return TRUE;
847 }
848 
849 #if !GTK_CHECK_VERSION(3, 0, 0)
850 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
851                                 void *opaque)
852 {
853     cairo_t *cr;
854     gboolean ret;
855 
856     cr = gdk_cairo_create(gtk_widget_get_window(widget));
857     cairo_rectangle(cr,
858                     expose->area.x,
859                     expose->area.y,
860                     expose->area.width,
861                     expose->area.height);
862     cairo_clip(cr);
863 
864     ret = gd_draw_event(widget, cr, opaque);
865 
866     cairo_destroy(cr);
867 
868     return ret;
869 }
870 #endif
871 
872 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
873                                 void *opaque)
874 {
875     VirtualConsole *vc = opaque;
876     GtkDisplayState *s = vc->s;
877     int x, y;
878     int mx, my;
879     int fbh, fbw;
880     int ww, wh;
881 
882     if (!vc->gfx.ds) {
883         return TRUE;
884     }
885 
886     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
887     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
888 
889     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
890                           &ww, &wh);
891 
892     mx = my = 0;
893     if (ww > fbw) {
894         mx = (ww - fbw) / 2;
895     }
896     if (wh > fbh) {
897         my = (wh - fbh) / 2;
898     }
899 
900     x = (motion->x - mx) / vc->gfx.scale_x;
901     y = (motion->y - my) / vc->gfx.scale_y;
902 
903     if (qemu_input_is_absolute()) {
904         if (x < 0 || y < 0 ||
905             x >= surface_width(vc->gfx.ds) ||
906             y >= surface_height(vc->gfx.ds)) {
907             return TRUE;
908         }
909         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
910                              surface_width(vc->gfx.ds));
911         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
912                              surface_height(vc->gfx.ds));
913         qemu_input_event_sync();
914     } else if (s->last_set && s->ptr_owner == vc) {
915         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
916         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
917         qemu_input_event_sync();
918     }
919     s->last_x = x;
920     s->last_y = y;
921     s->last_set = TRUE;
922 
923     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
924         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
925         int screen_width, screen_height;
926 
927         int x = (int)motion->x_root;
928         int y = (int)motion->y_root;
929 
930 #if GTK_CHECK_VERSION(3, 22, 0)
931         {
932             GdkDisplay *dpy = gtk_widget_get_display(widget);
933             GdkWindow *win = gtk_widget_get_window(widget);
934             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
935             GdkRectangle geometry;
936             gdk_monitor_get_geometry(monitor, &geometry);
937             screen_width = geometry.width;
938             screen_height = geometry.height;
939         }
940 #else
941         {
942             screen_width = gdk_screen_get_width(screen);
943             screen_height = gdk_screen_get_height(screen);
944         }
945 #endif
946 
947         /* In relative mode check to see if client pointer hit
948          * one of the screen edges, and if so move it back by
949          * 200 pixels. This is important because the pointer
950          * in the server doesn't correspond 1-for-1, and so
951          * may still be only half way across the screen. Without
952          * this warp, the server pointer would thus appear to hit
953          * an invisible wall */
954         if (x == 0) {
955             x += 200;
956         }
957         if (y == 0) {
958             y += 200;
959         }
960         if (x == (screen_width - 1)) {
961             x -= 200;
962         }
963         if (y == (screen_height - 1)) {
964             y -= 200;
965         }
966 
967         if (x != (int)motion->x_root || y != (int)motion->y_root) {
968 #if GTK_CHECK_VERSION(3, 0, 0)
969             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
970             gdk_device_warp(dev, screen, x, y);
971 #else
972             GdkDisplay *display = gtk_widget_get_display(widget);
973             gdk_display_warp_pointer(display, screen, x, y);
974 #endif
975             s->last_set = FALSE;
976             return FALSE;
977         }
978     }
979     return TRUE;
980 }
981 
982 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
983                                 void *opaque)
984 {
985     VirtualConsole *vc = opaque;
986     GtkDisplayState *s = vc->s;
987     InputButton btn;
988 
989     /* implicitly grab the input at the first click in the relative mode */
990     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
991         !qemu_input_is_absolute() && s->ptr_owner != vc) {
992         if (!vc->window) {
993             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
994                                            TRUE);
995         } else {
996             gd_grab_pointer(vc, "relative-mode-click");
997         }
998         return TRUE;
999     }
1000 
1001     if (button->button == 1) {
1002         btn = INPUT_BUTTON_LEFT;
1003     } else if (button->button == 2) {
1004         btn = INPUT_BUTTON_MIDDLE;
1005     } else if (button->button == 3) {
1006         btn = INPUT_BUTTON_RIGHT;
1007     } else {
1008         return TRUE;
1009     }
1010 
1011     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1012                          button->type == GDK_BUTTON_PRESS);
1013     qemu_input_event_sync();
1014     return TRUE;
1015 }
1016 
1017 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1018                                 void *opaque)
1019 {
1020     VirtualConsole *vc = opaque;
1021     InputButton btn;
1022 
1023     if (scroll->direction == GDK_SCROLL_UP) {
1024         btn = INPUT_BUTTON_WHEEL_UP;
1025     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1026         btn = INPUT_BUTTON_WHEEL_DOWN;
1027     } else {
1028         return TRUE;
1029     }
1030 
1031     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1032     qemu_input_event_sync();
1033     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1034     qemu_input_event_sync();
1035     return TRUE;
1036 }
1037 
1038 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
1039 {
1040     int qemu_keycode;
1041 
1042 #ifdef GDK_WINDOWING_WIN32
1043     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1044         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
1045         switch (qemu_keycode) {
1046         case 103:   /* alt gr */
1047             qemu_keycode = 56 | SCANCODE_GREY;
1048             break;
1049         }
1050         return qemu_keycode;
1051     }
1052 #endif
1053 
1054     if (gdk_keycode < 9) {
1055         qemu_keycode = 0;
1056     } else if (gdk_keycode < 97) {
1057         qemu_keycode = gdk_keycode - 8;
1058 #ifdef GDK_WINDOWING_X11
1059     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
1060         if (s->has_evdev) {
1061             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1062         } else {
1063             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
1064         }
1065 #endif
1066 #ifdef GDK_WINDOWING_WAYLAND
1067     } else if (GDK_IS_WAYLAND_DISPLAY(dpy) && gdk_keycode < 158) {
1068         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1069 #endif
1070     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
1071         qemu_keycode = 0x70;
1072     } else if (gdk_keycode == 211) { /* backslash */
1073         qemu_keycode = 0x73;
1074     } else {
1075         qemu_keycode = 0;
1076     }
1077 
1078     return qemu_keycode;
1079 }
1080 
1081 static gboolean gd_text_key_down(GtkWidget *widget,
1082                                  GdkEventKey *key, void *opaque)
1083 {
1084     VirtualConsole *vc = opaque;
1085     QemuConsole *con = vc->gfx.dcl.con;
1086 
1087     if (key->keyval == GDK_KEY_Delete) {
1088         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE);
1089     } else if (key->length) {
1090         kbd_put_string_console(con, key->string, key->length);
1091     } else {
1092         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
1093                                  key->hardware_keycode);
1094         int qcode = qemu_input_key_number_to_qcode(num);
1095         kbd_put_qcode_console(con, qcode);
1096     }
1097     return TRUE;
1098 }
1099 
1100 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1101 {
1102     VirtualConsole *vc = opaque;
1103     GtkDisplayState *s = vc->s;
1104     int gdk_keycode = key->hardware_keycode;
1105     int qemu_keycode;
1106     int i;
1107 
1108     if (s->ignore_keys) {
1109         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1110         return TRUE;
1111     }
1112 
1113     if (key->keyval == GDK_KEY_Pause) {
1114         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1115                                         key->type == GDK_KEY_PRESS);
1116         return TRUE;
1117     }
1118 
1119     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
1120                                   gdk_keycode);
1121 
1122     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
1123                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1124 
1125     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1126         if (qemu_keycode == modifier_keycode[i]) {
1127             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1128         }
1129     }
1130 
1131     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
1132                                      key->type == GDK_KEY_PRESS);
1133 
1134     return TRUE;
1135 }
1136 
1137 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1138 {
1139     if (event->type == GDK_MOTION_NOTIFY) {
1140         return gd_motion_event(widget, &event->motion, opaque);
1141     }
1142     return FALSE;
1143 }
1144 
1145 /** Window Menu Actions **/
1146 
1147 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1148 {
1149     GtkDisplayState *s = opaque;
1150 
1151     if (s->external_pause_update) {
1152         return;
1153     }
1154     if (runstate_is_running()) {
1155         qmp_stop(NULL);
1156     } else {
1157         qmp_cont(NULL);
1158     }
1159 }
1160 
1161 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1162 {
1163     qmp_system_reset(NULL);
1164 }
1165 
1166 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1167 {
1168     qmp_system_powerdown(NULL);
1169 }
1170 
1171 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1172 {
1173     qmp_quit(NULL);
1174 }
1175 
1176 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1177 {
1178     GtkDisplayState *s = opaque;
1179     VirtualConsole *vc = gd_vc_find_by_menu(s);
1180     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1181     gint page;
1182 
1183     gtk_release_modifiers(s);
1184     if (vc) {
1185         page = gtk_notebook_page_num(nb, vc->tab_item);
1186         gtk_notebook_set_current_page(nb, page);
1187         gtk_widget_grab_focus(vc->focus);
1188     }
1189     s->ignore_keys = false;
1190 }
1191 
1192 static void gd_accel_switch_vc(void *opaque)
1193 {
1194     VirtualConsole *vc = opaque;
1195 
1196     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1197 #if !GTK_CHECK_VERSION(3, 0, 0)
1198     /* GTK2 sends the accel key to the target console - ignore this until */
1199     vc->s->ignore_keys = true;
1200 #endif
1201 }
1202 
1203 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1204 {
1205     GtkDisplayState *s = opaque;
1206     VirtualConsole *vc = gd_vc_find_current(s);
1207 
1208     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1209         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1210     } else {
1211         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1212     }
1213     gd_update_windowsize(vc);
1214 }
1215 
1216 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1217                                     void *opaque)
1218 {
1219     VirtualConsole *vc = opaque;
1220     GtkDisplayState *s = vc->s;
1221 
1222     gtk_widget_set_sensitive(vc->menu_item, true);
1223     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1224     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1225                                     vc->tab_item, vc->label);
1226     gtk_widget_destroy(vc->window);
1227     vc->window = NULL;
1228     return TRUE;
1229 }
1230 
1231 static gboolean gd_win_grab(void *opaque)
1232 {
1233     VirtualConsole *vc = opaque;
1234 
1235     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1236     if (vc->s->ptr_owner) {
1237         gd_ungrab_pointer(vc->s);
1238     } else {
1239         gd_grab_pointer(vc, "user-request-detached-tab");
1240     }
1241     return TRUE;
1242 }
1243 
1244 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1245 {
1246     GtkDisplayState *s = opaque;
1247     VirtualConsole *vc = gd_vc_find_current(s);
1248 
1249     if (vc->type == GD_VC_GFX &&
1250         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1251         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1252                                        FALSE);
1253     }
1254     if (!vc->window) {
1255         gtk_widget_set_sensitive(vc->menu_item, false);
1256         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1257         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1258 
1259         g_signal_connect(vc->window, "delete-event",
1260                          G_CALLBACK(gd_tab_window_close), vc);
1261         gtk_widget_show_all(vc->window);
1262 
1263         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1264             GtkAccelGroup *ag = gtk_accel_group_new();
1265             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1266 
1267             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1268                                                vc, NULL);
1269             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1270         }
1271 
1272         gd_update_geometry_hints(vc);
1273         gd_update_caption(s);
1274     }
1275 }
1276 
1277 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1278 {
1279     GtkDisplayState *s = opaque;
1280     VirtualConsole *vc = gd_vc_find_current(s);
1281 
1282     if (!s->full_screen) {
1283         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1284         gtk_widget_hide(s->menu_bar);
1285         if (vc->type == GD_VC_GFX) {
1286             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1287         }
1288         gtk_window_fullscreen(GTK_WINDOW(s->window));
1289         s->full_screen = TRUE;
1290     } else {
1291         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1292         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1293         gtk_widget_show(s->menu_bar);
1294         s->full_screen = FALSE;
1295         if (vc->type == GD_VC_GFX) {
1296             vc->gfx.scale_x = 1.0;
1297             vc->gfx.scale_y = 1.0;
1298             gd_update_windowsize(vc);
1299         }
1300     }
1301 
1302     gd_update_cursor(vc);
1303 }
1304 
1305 static void gd_accel_full_screen(void *opaque)
1306 {
1307     GtkDisplayState *s = opaque;
1308     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1309 }
1310 
1311 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1312 {
1313     GtkDisplayState *s = opaque;
1314     VirtualConsole *vc = gd_vc_find_current(s);
1315 
1316     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1317                                    FALSE);
1318 
1319     vc->gfx.scale_x += VC_SCALE_STEP;
1320     vc->gfx.scale_y += VC_SCALE_STEP;
1321 
1322     gd_update_windowsize(vc);
1323 }
1324 
1325 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1326 {
1327     GtkDisplayState *s = opaque;
1328     VirtualConsole *vc = gd_vc_find_current(s);
1329 
1330     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1331                                    FALSE);
1332 
1333     vc->gfx.scale_x -= VC_SCALE_STEP;
1334     vc->gfx.scale_y -= VC_SCALE_STEP;
1335 
1336     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1337     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1338 
1339     gd_update_windowsize(vc);
1340 }
1341 
1342 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1343 {
1344     GtkDisplayState *s = opaque;
1345     VirtualConsole *vc = gd_vc_find_current(s);
1346 
1347     vc->gfx.scale_x = 1.0;
1348     vc->gfx.scale_y = 1.0;
1349 
1350     gd_update_windowsize(vc);
1351 }
1352 
1353 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1354 {
1355     GtkDisplayState *s = opaque;
1356     VirtualConsole *vc = gd_vc_find_current(s);
1357 
1358     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1359         s->free_scale = TRUE;
1360     } else {
1361         s->free_scale = FALSE;
1362         vc->gfx.scale_x = 1.0;
1363         vc->gfx.scale_y = 1.0;
1364     }
1365 
1366     gd_update_windowsize(vc);
1367     gd_update_full_redraw(vc);
1368 }
1369 
1370 #if GTK_CHECK_VERSION(3, 20, 0)
1371 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1372 {
1373     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1374     GdkSeat *seat = gdk_display_get_default_seat(display);
1375     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1376     GdkSeatCapabilities caps = 0;
1377     GdkCursor *cursor = NULL;
1378 
1379     if (kbd) {
1380         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1381     }
1382     if (ptr) {
1383         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1384         cursor = vc->s->null_cursor;
1385     }
1386 
1387     if (caps) {
1388         gdk_seat_grab(seat, window, caps, false, cursor,
1389                       NULL, NULL, NULL);
1390     } else {
1391         gdk_seat_ungrab(seat);
1392     }
1393 }
1394 #elif GTK_CHECK_VERSION(3, 0, 0)
1395 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1396                             GdkInputSource source, GdkEventMask mask,
1397                             GdkCursor *cursor)
1398 {
1399     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1400     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1401     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1402     GList *tmp = devs;
1403 
1404     for (tmp = devs; tmp; tmp = tmp->next) {
1405         GdkDevice *dev = tmp->data;
1406         if (gdk_device_get_source(dev) != source) {
1407             continue;
1408         }
1409         if (grab) {
1410             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1411             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1412                             mask, cursor, GDK_CURRENT_TIME);
1413         } else {
1414             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1415         }
1416     }
1417     g_list_free(devs);
1418 }
1419 #endif
1420 
1421 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1422 {
1423     if (vc->s->kbd_owner) {
1424         if (vc->s->kbd_owner == vc) {
1425             return;
1426         } else {
1427             gd_ungrab_keyboard(vc->s);
1428         }
1429     }
1430 
1431 #if GTK_CHECK_VERSION(3, 20, 0)
1432     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1433 #elif GTK_CHECK_VERSION(3, 0, 0)
1434     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1435                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1436                    NULL);
1437 #else
1438     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1439                       FALSE,
1440                       GDK_CURRENT_TIME);
1441 #endif
1442     vc->s->kbd_owner = vc;
1443     gd_update_caption(vc->s);
1444     trace_gd_grab(vc->label, "kbd", reason);
1445 }
1446 
1447 static void gd_ungrab_keyboard(GtkDisplayState *s)
1448 {
1449     VirtualConsole *vc = s->kbd_owner;
1450 
1451     if (vc == NULL) {
1452         return;
1453     }
1454     s->kbd_owner = NULL;
1455 
1456 #if GTK_CHECK_VERSION(3, 20, 0)
1457     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1458 #elif GTK_CHECK_VERSION(3, 0, 0)
1459     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1460 #else
1461     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1462 #endif
1463     gd_update_caption(s);
1464     trace_gd_ungrab(vc->label, "kbd");
1465 }
1466 
1467 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1468 {
1469     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1470 
1471     if (vc->s->ptr_owner) {
1472         if (vc->s->ptr_owner == vc) {
1473             return;
1474         } else {
1475             gd_ungrab_pointer(vc->s);
1476         }
1477     }
1478 
1479 #if GTK_CHECK_VERSION(3, 20, 0)
1480     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1481     gdk_device_get_position(gd_get_pointer(display),
1482                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1483 #elif GTK_CHECK_VERSION(3, 0, 0)
1484     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1485                     GDK_POINTER_MOTION_MASK |
1486                     GDK_BUTTON_PRESS_MASK |
1487                     GDK_BUTTON_RELEASE_MASK |
1488                     GDK_BUTTON_MOTION_MASK |
1489                     GDK_SCROLL_MASK,
1490                     vc->s->null_cursor);
1491     gdk_device_get_position(gd_get_pointer(display),
1492                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1493 #else
1494     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1495                      FALSE, /* All events to come to our window directly */
1496                      GDK_POINTER_MOTION_MASK |
1497                      GDK_BUTTON_PRESS_MASK |
1498                      GDK_BUTTON_RELEASE_MASK |
1499                      GDK_BUTTON_MOTION_MASK |
1500                      GDK_SCROLL_MASK,
1501                      NULL, /* Allow cursor to move over entire desktop */
1502                      vc->s->null_cursor,
1503                      GDK_CURRENT_TIME);
1504     gdk_display_get_pointer(display, NULL,
1505                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1506 #endif
1507     vc->s->ptr_owner = vc;
1508     gd_update_caption(vc->s);
1509     trace_gd_grab(vc->label, "ptr", reason);
1510 }
1511 
1512 static void gd_ungrab_pointer(GtkDisplayState *s)
1513 {
1514     VirtualConsole *vc = s->ptr_owner;
1515     GdkDisplay *display;
1516 
1517     if (vc == NULL) {
1518         return;
1519     }
1520     s->ptr_owner = NULL;
1521 
1522     display = gtk_widget_get_display(vc->gfx.drawing_area);
1523 #if GTK_CHECK_VERSION(3, 20, 0)
1524     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1525     gdk_device_warp(gd_get_pointer(display),
1526                     gtk_widget_get_screen(vc->gfx.drawing_area),
1527                     vc->s->grab_x_root, vc->s->grab_y_root);
1528 #elif GTK_CHECK_VERSION(3, 0, 0)
1529     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1530     gdk_device_warp(gd_get_pointer(display),
1531                     gtk_widget_get_screen(vc->gfx.drawing_area),
1532                     vc->s->grab_x_root, vc->s->grab_y_root);
1533 #else
1534     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1535     gdk_display_warp_pointer(display,
1536                              gtk_widget_get_screen(vc->gfx.drawing_area),
1537                              vc->s->grab_x_root, vc->s->grab_y_root);
1538 #endif
1539     gd_update_caption(s);
1540     trace_gd_ungrab(vc->label, "ptr");
1541 }
1542 
1543 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1544 {
1545     GtkDisplayState *s = opaque;
1546     VirtualConsole *vc = gd_vc_find_current(s);
1547 
1548     if (gd_is_grab_active(s)) {
1549         gd_grab_keyboard(vc, "user-request-main-window");
1550         gd_grab_pointer(vc, "user-request-main-window");
1551     } else {
1552         gd_ungrab_keyboard(s);
1553         gd_ungrab_pointer(s);
1554     }
1555 
1556     gd_update_cursor(vc);
1557 }
1558 
1559 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1560                            gpointer data)
1561 {
1562     GtkDisplayState *s = data;
1563     VirtualConsole *vc;
1564     gboolean on_vga;
1565 
1566     if (!gtk_widget_get_realized(s->notebook)) {
1567         return;
1568     }
1569 
1570 #ifdef VTE_RESIZE_HACK
1571     vc = gd_vc_find_current(s);
1572     if (vc && vc->type == GD_VC_VTE) {
1573         gtk_widget_hide(vc->vte.terminal);
1574     }
1575 #endif
1576     vc = gd_vc_find_by_page(s, arg2);
1577     if (!vc) {
1578         return;
1579     }
1580 #ifdef VTE_RESIZE_HACK
1581     if (vc->type == GD_VC_VTE) {
1582         gtk_widget_show(vc->vte.terminal);
1583     }
1584 #endif
1585     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1586                                    TRUE);
1587     on_vga = (vc->type == GD_VC_GFX &&
1588               qemu_console_is_graphic(vc->gfx.dcl.con));
1589     if (!on_vga) {
1590         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1591                                        FALSE);
1592     } else if (s->full_screen) {
1593         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1594                                        TRUE);
1595     }
1596     gtk_widget_set_sensitive(s->grab_item, on_vga);
1597 #ifdef CONFIG_VTE
1598     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1599 #endif
1600 
1601     gd_update_windowsize(vc);
1602     gd_update_cursor(vc);
1603 }
1604 
1605 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1606                                gpointer opaque)
1607 {
1608     VirtualConsole *vc = opaque;
1609     GtkDisplayState *s = vc->s;
1610 
1611     if (gd_grab_on_hover(s)) {
1612         gd_grab_keyboard(vc, "grab-on-hover");
1613     }
1614     return TRUE;
1615 }
1616 
1617 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1618                                gpointer opaque)
1619 {
1620     VirtualConsole *vc = opaque;
1621     GtkDisplayState *s = vc->s;
1622 
1623     if (gd_grab_on_hover(s)) {
1624         gd_ungrab_keyboard(s);
1625     }
1626     return TRUE;
1627 }
1628 
1629 static gboolean gd_focus_out_event(GtkWidget *widget,
1630                                    GdkEventCrossing *crossing, gpointer opaque)
1631 {
1632     VirtualConsole *vc = opaque;
1633     GtkDisplayState *s = vc->s;
1634 
1635     gtk_release_modifiers(s);
1636     return TRUE;
1637 }
1638 
1639 static gboolean gd_configure(GtkWidget *widget,
1640                              GdkEventConfigure *cfg, gpointer opaque)
1641 {
1642     VirtualConsole *vc = opaque;
1643 
1644     gd_set_ui_info(vc, cfg->width, cfg->height);
1645     return FALSE;
1646 }
1647 
1648 /** Virtual Console Callbacks **/
1649 
1650 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1651                                int idx, GSList *group, GtkWidget *view_menu)
1652 {
1653     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1654     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1655             HOTKEY_MODIFIERS, 0,
1656             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1657 #if GTK_CHECK_VERSION(3, 8, 0)
1658     gtk_accel_label_set_accel(
1659             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1660             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1661 #endif
1662 
1663     g_signal_connect(vc->menu_item, "activate",
1664                      G_CALLBACK(gd_menu_switch_vc), s);
1665     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1666 
1667     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1668     return group;
1669 }
1670 
1671 #if defined(CONFIG_VTE)
1672 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1673 {
1674     GtkDisplayState *s = opaque;
1675     VirtualConsole *vc = gd_vc_find_current(s);
1676 
1677     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1678 }
1679 
1680 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1681 {
1682     VirtualConsole *vc = opaque;
1683 
1684     if (gtk_adjustment_get_upper(adjustment) >
1685         gtk_adjustment_get_page_size(adjustment)) {
1686         gtk_widget_show(vc->vte.scrollbar);
1687     } else {
1688         gtk_widget_hide(vc->vte.scrollbar);
1689     }
1690 }
1691 
1692 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1693 {
1694     VCChardev *vcd = (VCChardev *)chr;
1695     VirtualConsole *vc = vcd->console;
1696 
1697     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1698     return len;
1699 }
1700 
1701 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1702 {
1703     VCChardev *vcd = (VCChardev *)chr;
1704     VirtualConsole *vc = vcd->console;
1705 
1706     if (vc) {
1707         vc->vte.echo = echo;
1708     } else {
1709         vcd->echo = echo;
1710     }
1711 }
1712 
1713 static int nb_vcs;
1714 static Chardev *vcs[MAX_VCS];
1715 
1716 static Chardev *gd_vc_handler(ChardevVC *vc, Error **errp)
1717 {
1718     static const CharDriver gd_vc_driver = {
1719         .instance_size = sizeof(VCChardev),
1720         .kind = CHARDEV_BACKEND_KIND_VC,
1721         .chr_write = gd_vc_chr_write,
1722         .chr_set_echo = gd_vc_chr_set_echo,
1723     };
1724 
1725     ChardevCommon *common = qapi_ChardevVC_base(vc);
1726     Chardev *chr;
1727 
1728     if (nb_vcs == MAX_VCS) {
1729         error_setg(errp, "Maximum number of consoles reached");
1730         return NULL;
1731     }
1732 
1733     chr = qemu_chr_alloc(&gd_vc_driver, common, errp);
1734     if (!chr) {
1735         return NULL;
1736     }
1737 
1738     vcs[nb_vcs++] = chr;
1739 
1740     return chr;
1741 }
1742 
1743 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1744                          gpointer user_data)
1745 {
1746     VirtualConsole *vc = user_data;
1747 
1748     if (vc->vte.echo) {
1749         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1750         int i;
1751         for (i = 0; i < size; i++) {
1752             uint8_t c = text[i];
1753             if (c >= 128 || isprint(c)) {
1754                 /* 8-bit characters are considered printable.  */
1755                 vte_terminal_feed(term, &text[i], 1);
1756             } else if (c == '\r' || c == '\n') {
1757                 vte_terminal_feed(term, "\r\n", 2);
1758             } else {
1759                 char ctrl[2] = { '^', 0};
1760                 ctrl[1] = text[i] ^ 64;
1761                 vte_terminal_feed(term, ctrl, 2);
1762             }
1763         }
1764     }
1765 
1766     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1767     return TRUE;
1768 }
1769 
1770 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1771                               Chardev *chr, int idx,
1772                               GSList *group, GtkWidget *view_menu)
1773 {
1774     char buffer[32];
1775     GtkWidget *box;
1776     GtkWidget *scrollbar;
1777     GtkAdjustment *vadjustment;
1778     VCChardev *vcd = (VCChardev *)chr;
1779 
1780     vc->s = s;
1781     vc->vte.echo = vcd->echo;
1782     vc->vte.chr = chr;
1783     vcd->console = vc;
1784 
1785     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1786     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1787                                 ? vc->vte.chr->label : buffer);
1788     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1789 
1790     vc->vte.terminal = vte_terminal_new();
1791     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1792 
1793     /* The documentation says that the default is UTF-8, but actually it is
1794      * 7-bit ASCII at least in VTE 0.38.
1795      */
1796 #if VTE_CHECK_VERSION(0, 38, 0)
1797     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1798 #else
1799     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1800 #endif
1801 
1802     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1803     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1804                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1805 
1806 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1807     vadjustment = gtk_scrollable_get_vadjustment
1808         (GTK_SCROLLABLE(vc->vte.terminal));
1809 #else
1810     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1811 #endif
1812 
1813 #if GTK_CHECK_VERSION(3, 0, 0)
1814     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1815     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1816 #else
1817     box = gtk_hbox_new(false, 2);
1818     scrollbar = gtk_vscrollbar_new(vadjustment);
1819 #endif
1820 
1821     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1822     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1823 
1824     vc->vte.box = box;
1825     vc->vte.scrollbar = scrollbar;
1826 
1827     g_signal_connect(vadjustment, "changed",
1828                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1829 
1830     vc->type = GD_VC_VTE;
1831     vc->tab_item = box;
1832     vc->focus = vc->vte.terminal;
1833     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1834                              gtk_label_new(vc->label));
1835 
1836     qemu_chr_be_generic_open(vc->vte.chr);
1837 
1838     return group;
1839 }
1840 
1841 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1842                         GtkWidget *view_menu)
1843 {
1844     int i;
1845 
1846     for (i = 0; i < nb_vcs; i++) {
1847         VirtualConsole *vc = &s->vc[s->nb_vcs];
1848         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1849         s->nb_vcs++;
1850     }
1851 }
1852 #endif /* CONFIG_VTE */
1853 
1854 /** Window Creation **/
1855 
1856 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1857 {
1858 #if GTK_CHECK_VERSION(3, 0, 0)
1859     g_signal_connect(vc->gfx.drawing_area, "draw",
1860                      G_CALLBACK(gd_draw_event), vc);
1861 #if defined(CONFIG_GTK_GL)
1862     if (display_opengl) {
1863         /* wire up GtkGlArea events */
1864         g_signal_connect(vc->gfx.drawing_area, "render",
1865                          G_CALLBACK(gd_render_event), vc);
1866         g_signal_connect(vc->gfx.drawing_area, "resize",
1867                          G_CALLBACK(gd_resize_event), vc);
1868     }
1869 #endif
1870 #else
1871     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1872                      G_CALLBACK(gd_expose_event), vc);
1873 #endif
1874     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1875         g_signal_connect(vc->gfx.drawing_area, "event",
1876                          G_CALLBACK(gd_event), vc);
1877         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1878                          G_CALLBACK(gd_button_event), vc);
1879         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1880                          G_CALLBACK(gd_button_event), vc);
1881         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1882                          G_CALLBACK(gd_scroll_event), vc);
1883         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1884                          G_CALLBACK(gd_key_event), vc);
1885         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1886                          G_CALLBACK(gd_key_event), vc);
1887 
1888         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1889                          G_CALLBACK(gd_enter_event), vc);
1890         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1891                          G_CALLBACK(gd_leave_event), vc);
1892         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1893                          G_CALLBACK(gd_focus_out_event), vc);
1894         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1895                          G_CALLBACK(gd_configure), vc);
1896     } else {
1897         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1898                          G_CALLBACK(gd_text_key_down), vc);
1899     }
1900 }
1901 
1902 static void gd_connect_signals(GtkDisplayState *s)
1903 {
1904     g_signal_connect(s->show_tabs_item, "activate",
1905                      G_CALLBACK(gd_menu_show_tabs), s);
1906     g_signal_connect(s->untabify_item, "activate",
1907                      G_CALLBACK(gd_menu_untabify), s);
1908 
1909     g_signal_connect(s->window, "delete-event",
1910                      G_CALLBACK(gd_window_close), s);
1911 
1912     g_signal_connect(s->pause_item, "activate",
1913                      G_CALLBACK(gd_menu_pause), s);
1914     g_signal_connect(s->reset_item, "activate",
1915                      G_CALLBACK(gd_menu_reset), s);
1916     g_signal_connect(s->powerdown_item, "activate",
1917                      G_CALLBACK(gd_menu_powerdown), s);
1918     g_signal_connect(s->quit_item, "activate",
1919                      G_CALLBACK(gd_menu_quit), s);
1920 #if defined(CONFIG_VTE)
1921     g_signal_connect(s->copy_item, "activate",
1922                      G_CALLBACK(gd_menu_copy), s);
1923 #endif
1924     g_signal_connect(s->full_screen_item, "activate",
1925                      G_CALLBACK(gd_menu_full_screen), s);
1926     g_signal_connect(s->zoom_in_item, "activate",
1927                      G_CALLBACK(gd_menu_zoom_in), s);
1928     g_signal_connect(s->zoom_out_item, "activate",
1929                      G_CALLBACK(gd_menu_zoom_out), s);
1930     g_signal_connect(s->zoom_fixed_item, "activate",
1931                      G_CALLBACK(gd_menu_zoom_fixed), s);
1932     g_signal_connect(s->zoom_fit_item, "activate",
1933                      G_CALLBACK(gd_menu_zoom_fit), s);
1934     g_signal_connect(s->grab_item, "activate",
1935                      G_CALLBACK(gd_menu_grab_input), s);
1936     g_signal_connect(s->notebook, "switch-page",
1937                      G_CALLBACK(gd_change_page), s);
1938 }
1939 
1940 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1941 {
1942     GtkWidget *machine_menu;
1943     GtkWidget *separator;
1944 
1945     machine_menu = gtk_menu_new();
1946     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1947 
1948     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1949     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1950 
1951     separator = gtk_separator_menu_item_new();
1952     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1953 
1954     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1955     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1956 
1957     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1958     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1959 
1960     separator = gtk_separator_menu_item_new();
1961     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1962 
1963     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1964     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1965                                  "<QEMU>/Machine/Quit");
1966     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1967                             GDK_KEY_q, HOTKEY_MODIFIERS);
1968     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1969 
1970     return machine_menu;
1971 }
1972 
1973 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1974                               QemuConsole *con, int idx,
1975                               GSList *group, GtkWidget *view_menu)
1976 {
1977     vc->label = qemu_console_get_label(con);
1978     vc->s = s;
1979     vc->gfx.scale_x = 1.0;
1980     vc->gfx.scale_y = 1.0;
1981 
1982 #if defined(CONFIG_OPENGL)
1983     if (display_opengl) {
1984 #if defined(CONFIG_GTK_GL)
1985         vc->gfx.drawing_area = gtk_gl_area_new();
1986         vc->gfx.dcl.ops = &dcl_gl_area_ops;
1987 #else
1988         vc->gfx.drawing_area = gtk_drawing_area_new();
1989         /*
1990          * gtk_widget_set_double_buffered() was deprecated in 3.14.
1991          * It is required for opengl rendering on X11 though.  A
1992          * proper replacement (native opengl support) is only
1993          * available in 3.16+.  Silence the warning if possible.
1994          */
1995 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1996 #pragma GCC diagnostic push
1997 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1998 #endif
1999         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2000 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2001 #pragma GCC diagnostic pop
2002 #endif
2003         vc->gfx.dcl.ops = &dcl_egl_ops;
2004 #endif /* CONFIG_GTK_GL */
2005     } else
2006 #endif
2007     {
2008         vc->gfx.drawing_area = gtk_drawing_area_new();
2009         vc->gfx.dcl.ops = &dcl_ops;
2010     }
2011 
2012 
2013     gtk_widget_add_events(vc->gfx.drawing_area,
2014                           GDK_POINTER_MOTION_MASK |
2015                           GDK_BUTTON_PRESS_MASK |
2016                           GDK_BUTTON_RELEASE_MASK |
2017                           GDK_BUTTON_MOTION_MASK |
2018                           GDK_ENTER_NOTIFY_MASK |
2019                           GDK_LEAVE_NOTIFY_MASK |
2020                           GDK_SCROLL_MASK |
2021                           GDK_KEY_PRESS_MASK);
2022     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2023 
2024     vc->type = GD_VC_GFX;
2025     vc->tab_item = vc->gfx.drawing_area;
2026     vc->focus = vc->gfx.drawing_area;
2027     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2028                              vc->tab_item, gtk_label_new(vc->label));
2029 
2030     vc->gfx.dcl.con = con;
2031     register_displaychangelistener(&vc->gfx.dcl);
2032 
2033     gd_connect_vc_gfx_signals(vc);
2034     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2035 
2036     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2037         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2038         s->free_scale = true;
2039     }
2040 
2041     return group;
2042 }
2043 
2044 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2045 {
2046     GSList *group = NULL;
2047     GtkWidget *view_menu;
2048     GtkWidget *separator;
2049     QemuConsole *con;
2050     int vc;
2051 
2052     view_menu = gtk_menu_new();
2053     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2054 
2055     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2056 
2057 #if defined(CONFIG_VTE)
2058     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2059     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2060 #endif
2061 
2062     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2063             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2064 #if GTK_CHECK_VERSION(3, 8, 0)
2065     gtk_accel_label_set_accel(
2066             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2067             GDK_KEY_f, HOTKEY_MODIFIERS);
2068 #endif
2069     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2070 
2071     separator = gtk_separator_menu_item_new();
2072     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2073 
2074     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2075     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2076                                  "<QEMU>/View/Zoom In");
2077     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2078                             HOTKEY_MODIFIERS);
2079     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2080 
2081     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2082     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2083                                  "<QEMU>/View/Zoom Out");
2084     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2085                             HOTKEY_MODIFIERS);
2086     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2087 
2088     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2089     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2090                                  "<QEMU>/View/Zoom Fixed");
2091     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2092                             HOTKEY_MODIFIERS);
2093     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2094 
2095     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2096     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2097 
2098     separator = gtk_separator_menu_item_new();
2099     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2100 
2101     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2102     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2103 
2104     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2105     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2106                                  "<QEMU>/View/Grab Input");
2107     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2108                             HOTKEY_MODIFIERS);
2109     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2110 
2111     separator = gtk_separator_menu_item_new();
2112     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2113 
2114     /* gfx */
2115     for (vc = 0;; vc++) {
2116         con = qemu_console_lookup_by_index(vc);
2117         if (!con) {
2118             break;
2119         }
2120         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2121                                vc, group, view_menu);
2122         s->nb_vcs++;
2123     }
2124 
2125 #if defined(CONFIG_VTE)
2126     /* vte */
2127     gd_vcs_init(s, group, view_menu);
2128 #endif
2129 
2130     separator = gtk_separator_menu_item_new();
2131     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2132 
2133     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2134     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2135 
2136     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2137     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2138 
2139     return view_menu;
2140 }
2141 
2142 static void gd_create_menus(GtkDisplayState *s)
2143 {
2144     s->accel_group = gtk_accel_group_new();
2145     s->machine_menu = gd_create_menu_machine(s);
2146     s->view_menu = gd_create_menu_view(s);
2147 
2148     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2149     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2150                               s->machine_menu);
2151     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2152 
2153     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2154     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2155     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2156 
2157     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2158     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2159 }
2160 
2161 static void gd_set_keycode_type(GtkDisplayState *s)
2162 {
2163 #ifdef GDK_WINDOWING_X11
2164     GdkDisplay *display = gtk_widget_get_display(s->window);
2165     if (GDK_IS_X11_DISPLAY(display)) {
2166         Display *x11_display = gdk_x11_display_get_xdisplay(display);
2167         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
2168                                          XkbUseCoreKbd);
2169         char *keycodes = NULL;
2170 
2171         if (desc && desc->names) {
2172             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
2173         }
2174         if (keycodes == NULL) {
2175             fprintf(stderr, "could not lookup keycode name\n");
2176         } else if (strstart(keycodes, "evdev", NULL)) {
2177             s->has_evdev = true;
2178         } else if (!strstart(keycodes, "xfree86", NULL)) {
2179             fprintf(stderr, "unknown keycodes `%s', please report to "
2180                     "qemu-devel@nongnu.org\n", keycodes);
2181         }
2182 
2183         if (desc) {
2184             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
2185         }
2186         if (keycodes) {
2187             XFree(keycodes);
2188         }
2189     }
2190 #endif
2191 }
2192 
2193 static gboolean gtkinit;
2194 
2195 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
2196 {
2197     VirtualConsole *vc;
2198 
2199     GtkDisplayState *s = g_malloc0(sizeof(*s));
2200     char *filename;
2201     GdkDisplay *window_display;
2202 
2203     if (!gtkinit) {
2204         fprintf(stderr, "gtk initialization failed\n");
2205         exit(1);
2206     }
2207 
2208     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2209 #if GTK_CHECK_VERSION(3, 2, 0)
2210     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2211 #else
2212     s->vbox = gtk_vbox_new(FALSE, 0);
2213 #endif
2214     s->notebook = gtk_notebook_new();
2215     s->menu_bar = gtk_menu_bar_new();
2216 
2217     s->free_scale = FALSE;
2218 
2219     /* LC_MESSAGES only. See early_gtk_display_init() for details */
2220     setlocale(LC_MESSAGES, "");
2221     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2222     textdomain("qemu");
2223 
2224     window_display = gtk_widget_get_display(s->window);
2225     s->null_cursor = gdk_cursor_new_for_display(window_display,
2226                                                 GDK_BLANK_CURSOR);
2227 
2228     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2229     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2230     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2231 
2232     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2233     if (filename) {
2234         GError *error = NULL;
2235         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2236         if (pixbuf) {
2237             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2238         } else {
2239             g_error_free(error);
2240         }
2241         g_free(filename);
2242     }
2243 
2244     gd_create_menus(s);
2245 
2246     gd_connect_signals(s);
2247 
2248     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2249     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2250 
2251     gd_update_caption(s);
2252 
2253     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2254     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2255 
2256     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2257 
2258     gtk_widget_show_all(s->window);
2259 
2260 #ifdef VTE_RESIZE_HACK
2261     {
2262         VirtualConsole *cur = gd_vc_find_current(s);
2263         if (cur) {
2264             int i;
2265 
2266             for (i = 0; i < s->nb_vcs; i++) {
2267                 VirtualConsole *vc = &s->vc[i];
2268                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2269                     gtk_widget_hide(vc->vte.terminal);
2270                 }
2271             }
2272             gd_update_windowsize(cur);
2273         }
2274     }
2275 #endif
2276 
2277     vc = gd_vc_find_current(s);
2278     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2279 #ifdef CONFIG_VTE
2280     gtk_widget_set_sensitive(s->copy_item,
2281                              vc && vc->type == GD_VC_VTE);
2282 #endif
2283 
2284     if (full_screen) {
2285         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2286     }
2287     if (grab_on_hover) {
2288         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2289     }
2290 
2291     gd_set_keycode_type(s);
2292 }
2293 
2294 void early_gtk_display_init(int opengl)
2295 {
2296     /* The QEMU code relies on the assumption that it's always run in
2297      * the C locale. Therefore it is not prepared to deal with
2298      * operations that produce different results depending on the
2299      * locale, such as printf's formatting of decimal numbers, and
2300      * possibly others.
2301      *
2302      * Since GTK+ calls setlocale() by default -importing the locale
2303      * settings from the environment- we must prevent it from doing so
2304      * using gtk_disable_setlocale().
2305      *
2306      * QEMU's GTK+ UI, however, _does_ have translations for some of
2307      * the menu items. As a trade-off between a functionally correct
2308      * QEMU and a fully internationalized UI we support importing
2309      * LC_MESSAGES from the environment (see the setlocale() call
2310      * earlier in this file). This allows us to display translated
2311      * messages leaving everything else untouched.
2312      */
2313     gtk_disable_setlocale();
2314     gtkinit = gtk_init_check(NULL, NULL);
2315     if (!gtkinit) {
2316         /* don't exit yet, that'll break -help */
2317         return;
2318     }
2319 
2320     switch (opengl) {
2321     case -1: /* default */
2322     case 0:  /* off */
2323         break;
2324     case 1: /* on */
2325 #if defined(CONFIG_OPENGL)
2326 #if defined(CONFIG_GTK_GL)
2327         gtk_gl_area_init();
2328 #else
2329         gtk_egl_init();
2330 #endif
2331 #endif
2332         break;
2333     default:
2334         g_assert_not_reached();
2335         break;
2336     }
2337 
2338 #if defined(CONFIG_VTE)
2339     register_vc_handler(gd_vc_handler);
2340 #endif
2341 }
2342