xref: /openbmc/qemu/ui/gtk.c (revision 228aa992)
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 #ifdef _WIN32
38 # define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
39 #endif
40 
41 #include "qemu-common.h"
42 
43 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
44 /* Work around an -Wstrict-prototypes warning in GTK headers */
45 #pragma GCC diagnostic push
46 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
47 #endif
48 #include <gtk/gtk.h>
49 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
50 #pragma GCC diagnostic pop
51 #endif
52 
53 
54 #include <gdk/gdkkeysyms.h>
55 #include <glib/gi18n.h>
56 #include <locale.h>
57 #if defined(CONFIG_VTE)
58 #include <vte/vte.h>
59 #endif
60 #include <math.h>
61 
62 #include "trace.h"
63 #include "ui/console.h"
64 #include "ui/input.h"
65 #include "sysemu/sysemu.h"
66 #include "qmp-commands.h"
67 #include "x_keymap.h"
68 #include "keymaps.h"
69 #include "sysemu/char.h"
70 #include "qom/object.h"
71 #ifdef GDK_WINDOWING_X11
72 #include <gdk/gdkx.h>
73 #include <X11/XKBlib.h>
74 #endif
75 
76 #define MAX_VCS 10
77 #define VC_WINDOW_X_MIN  320
78 #define VC_WINDOW_Y_MIN  240
79 #define VC_TERM_X_MIN     80
80 #define VC_TERM_Y_MIN     25
81 #define VC_SCALE_MIN    0.25
82 #define VC_SCALE_STEP   0.25
83 
84 #if !defined(CONFIG_VTE)
85 # define VTE_CHECK_VERSION(a, b, c) 0
86 #endif
87 
88 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
89 /*
90  * The gtk2 vte terminal widget seriously messes up the window resize
91  * for some reason.  You basically can't make the qemu window smaller
92  * any more because the toplevel window geoemtry hints are overridden.
93  *
94  * Workaround that by hiding all vte widgets, except the one in the
95  * current tab.
96  *
97  * Luckily everything works smooth in gtk3.
98  */
99 # define VTE_RESIZE_HACK 1
100 #endif
101 
102 /* Compatibility define to let us build on both Gtk2 and Gtk3 */
103 #if GTK_CHECK_VERSION(3, 0, 0)
104 static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh)
105 {
106     *ww = gdk_window_get_width(w);
107     *wh = gdk_window_get_height(w);
108 }
109 #endif
110 
111 #if !GTK_CHECK_VERSION(2, 20, 0)
112 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
113 #endif
114 
115 #ifndef GDK_IS_X11_DISPLAY
116 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
117 #endif
118 #ifndef GDK_IS_WIN32_DISPLAY
119 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
120 #endif
121 
122 #ifndef GDK_KEY_0
123 #define GDK_KEY_0 GDK_0
124 #define GDK_KEY_1 GDK_1
125 #define GDK_KEY_2 GDK_2
126 #define GDK_KEY_f GDK_f
127 #define GDK_KEY_g GDK_g
128 #define GDK_KEY_q GDK_q
129 #define GDK_KEY_plus GDK_plus
130 #define GDK_KEY_minus GDK_minus
131 #define GDK_KEY_Pause GDK_Pause
132 #endif
133 
134 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
135 
136 static const int modifier_keycode[] = {
137     /* shift, control, alt keys, meta keys, both left & right */
138     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
139 };
140 
141 typedef struct GtkDisplayState GtkDisplayState;
142 
143 typedef struct VirtualGfxConsole {
144     GtkWidget *drawing_area;
145     DisplayChangeListener dcl;
146     DisplaySurface *ds;
147     pixman_image_t *convert;
148     cairo_surface_t *surface;
149     double scale_x;
150     double scale_y;
151 } VirtualGfxConsole;
152 
153 #if defined(CONFIG_VTE)
154 typedef struct VirtualVteConsole {
155     GtkWidget *box;
156     GtkWidget *scrollbar;
157     GtkWidget *terminal;
158     CharDriverState *chr;
159 } VirtualVteConsole;
160 #endif
161 
162 typedef enum VirtualConsoleType {
163     GD_VC_GFX,
164     GD_VC_VTE,
165 } VirtualConsoleType;
166 
167 typedef struct VirtualConsole {
168     GtkDisplayState *s;
169     char *label;
170     GtkWidget *window;
171     GtkWidget *menu_item;
172     GtkWidget *tab_item;
173     VirtualConsoleType type;
174     union {
175         VirtualGfxConsole gfx;
176 #if defined(CONFIG_VTE)
177         VirtualVteConsole vte;
178 #endif
179     };
180 } VirtualConsole;
181 
182 struct GtkDisplayState {
183     GtkWidget *window;
184 
185     GtkWidget *menu_bar;
186 
187     GtkAccelGroup *accel_group;
188 
189     GtkWidget *machine_menu_item;
190     GtkWidget *machine_menu;
191     GtkWidget *pause_item;
192     GtkWidget *reset_item;
193     GtkWidget *powerdown_item;
194     GtkWidget *quit_item;
195 
196     GtkWidget *view_menu_item;
197     GtkWidget *view_menu;
198     GtkWidget *full_screen_item;
199     GtkWidget *zoom_in_item;
200     GtkWidget *zoom_out_item;
201     GtkWidget *zoom_fixed_item;
202     GtkWidget *zoom_fit_item;
203     GtkWidget *grab_item;
204     GtkWidget *grab_on_hover_item;
205 
206     int nb_vcs;
207     VirtualConsole vc[MAX_VCS];
208 
209     GtkWidget *show_tabs_item;
210     GtkWidget *untabify_item;
211 
212     GtkWidget *vbox;
213     GtkWidget *notebook;
214     int button_mask;
215     gboolean last_set;
216     int last_x;
217     int last_y;
218     int grab_x_root;
219     int grab_y_root;
220     VirtualConsole *kbd_owner;
221     VirtualConsole *ptr_owner;
222 
223     gboolean full_screen;
224 
225     GdkCursor *null_cursor;
226     Notifier mouse_mode_notifier;
227     gboolean free_scale;
228 
229     bool external_pause_update;
230 
231     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
232     bool has_evdev;
233 };
234 
235 static void gd_grab_pointer(VirtualConsole *vc);
236 static void gd_ungrab_pointer(GtkDisplayState *s);
237 
238 /** Utility Functions **/
239 
240 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
241 {
242     VirtualConsole *vc;
243     gint i;
244 
245     for (i = 0; i < s->nb_vcs; i++) {
246         vc = &s->vc[i];
247         if (gtk_check_menu_item_get_active
248             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
249             return vc;
250         }
251     }
252     return NULL;
253 }
254 
255 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
256 {
257     VirtualConsole *vc;
258     gint i, p;
259 
260     for (i = 0; i < s->nb_vcs; i++) {
261         vc = &s->vc[i];
262         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
263         if (p == page) {
264             return vc;
265         }
266     }
267     return NULL;
268 }
269 
270 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
271 {
272     gint page;
273 
274     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
275     return gd_vc_find_by_page(s, page);
276 }
277 
278 static bool gd_is_grab_active(GtkDisplayState *s)
279 {
280     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
281 }
282 
283 static bool gd_grab_on_hover(GtkDisplayState *s)
284 {
285     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
286 }
287 
288 static void gd_update_cursor(VirtualConsole *vc)
289 {
290     GtkDisplayState *s = vc->s;
291     GdkWindow *window;
292 
293     if (vc->type != GD_VC_GFX) {
294         return;
295     }
296 
297     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
298     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
299         gdk_window_set_cursor(window, s->null_cursor);
300     } else {
301         gdk_window_set_cursor(window, NULL);
302     }
303 }
304 
305 static void gd_update_caption(GtkDisplayState *s)
306 {
307     const char *status = "";
308     gchar *prefix;
309     gchar *title;
310     const char *grab = "";
311     bool is_paused = !runstate_is_running();
312     int i;
313 
314     if (qemu_name) {
315         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
316     } else {
317         prefix = g_strdup_printf("QEMU");
318     }
319 
320     if (s->ptr_owner != NULL &&
321         s->ptr_owner->window == NULL) {
322         grab = _(" - Press Ctrl+Alt+G to release grab");
323     }
324 
325     if (is_paused) {
326         status = _(" [Paused]");
327     }
328     s->external_pause_update = true;
329     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
330                                    is_paused);
331     s->external_pause_update = false;
332 
333     title = g_strdup_printf("%s%s%s", prefix, status, grab);
334     gtk_window_set_title(GTK_WINDOW(s->window), title);
335     g_free(title);
336 
337     for (i = 0; i < s->nb_vcs; i++) {
338         VirtualConsole *vc = &s->vc[i];
339 
340         if (!vc->window) {
341             continue;
342         }
343         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
344                                 vc == s->kbd_owner ? " +kbd" : "",
345                                 vc == s->ptr_owner ? " +ptr" : "");
346         gtk_window_set_title(GTK_WINDOW(vc->window), title);
347         g_free(title);
348     }
349 
350     g_free(prefix);
351 }
352 
353 static void gd_update_geometry_hints(VirtualConsole *vc)
354 {
355     GtkDisplayState *s = vc->s;
356     GdkWindowHints mask = 0;
357     GdkGeometry geo = {};
358     GtkWidget *geo_widget = NULL;
359     GtkWindow *geo_window;
360 
361     if (vc->type == GD_VC_GFX) {
362         if (s->free_scale) {
363             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
364             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
365             mask |= GDK_HINT_MIN_SIZE;
366         } else {
367             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
368             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
369             mask |= GDK_HINT_MIN_SIZE;
370         }
371         geo_widget = vc->gfx.drawing_area;
372         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
373 
374 #if defined(CONFIG_VTE)
375     } else if (vc->type == GD_VC_VTE) {
376         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
377         GtkBorder *ib;
378 
379         geo.width_inc  = vte_terminal_get_char_width(term);
380         geo.height_inc = vte_terminal_get_char_height(term);
381         mask |= GDK_HINT_RESIZE_INC;
382         geo.base_width  = geo.width_inc;
383         geo.base_height = geo.height_inc;
384         mask |= GDK_HINT_BASE_SIZE;
385         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
386         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
387         mask |= GDK_HINT_MIN_SIZE;
388         gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
389         geo.base_width  += ib->left + ib->right;
390         geo.base_height += ib->top + ib->bottom;
391         geo.min_width   += ib->left + ib->right;
392         geo.min_height  += ib->top + ib->bottom;
393         geo_widget = vc->vte.terminal;
394 #endif
395     }
396 
397     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
398     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
399 }
400 
401 static void gd_update_windowsize(VirtualConsole *vc)
402 {
403     GtkDisplayState *s = vc->s;
404 
405     gd_update_geometry_hints(vc);
406 
407     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
408         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
409                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
410     }
411 }
412 
413 static void gd_update_full_redraw(VirtualConsole *vc)
414 {
415     GtkWidget *area = vc->gfx.drawing_area;
416     int ww, wh;
417     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
418     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
419 }
420 
421 static void gtk_release_modifiers(GtkDisplayState *s)
422 {
423     VirtualConsole *vc = gd_vc_find_current(s);
424     int i, keycode;
425 
426     if (vc->type != GD_VC_GFX) {
427         return;
428     }
429     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
430         keycode = modifier_keycode[i];
431         if (!s->modifier_pressed[i]) {
432             continue;
433         }
434         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
435         s->modifier_pressed[i] = false;
436     }
437 }
438 
439 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
440                                GtkWidget *widget)
441 {
442     g_object_ref(G_OBJECT(widget));
443     gtk_container_remove(GTK_CONTAINER(from), widget);
444     gtk_container_add(GTK_CONTAINER(to), widget);
445     g_object_unref(G_OBJECT(widget));
446 }
447 
448 /** DisplayState Callbacks **/
449 
450 static void gd_update(DisplayChangeListener *dcl,
451                       int x, int y, int w, int h)
452 {
453     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
454     int x1, x2, y1, y2;
455     int mx, my;
456     int fbw, fbh;
457     int ww, wh;
458 
459     trace_gd_update(vc->label, x, y, w, h);
460 
461     if (vc->gfx.convert) {
462         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
463                                NULL, vc->gfx.convert,
464                                x, y, 0, 0, x, y, w, h);
465     }
466 
467     x1 = floor(x * vc->gfx.scale_x);
468     y1 = floor(y * vc->gfx.scale_y);
469 
470     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
471     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
472 
473     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
474     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
475 
476     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
477                           &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 void gd_mouse_set(DisplayChangeListener *dcl,
498                          int x, int y, int visible)
499 {
500     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
501     GdkDisplay *dpy;
502     GdkDeviceManager *mgr;
503     gint x_root, y_root;
504 
505     if (qemu_input_is_absolute()) {
506         return;
507     }
508 
509     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
510     mgr = gdk_display_get_device_manager(dpy);
511     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
512                                x, y, &x_root, &y_root);
513     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
514                     gtk_widget_get_screen(vc->gfx.drawing_area),
515                     x_root, y_root);
516 }
517 #else
518 static void gd_mouse_set(DisplayChangeListener *dcl,
519                          int x, int y, int visible)
520 {
521     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
522     gint x_root, y_root;
523 
524     if (qemu_input_is_absolute()) {
525         return;
526     }
527 
528     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
529                                x, y, &x_root, &y_root);
530     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
531                              gtk_widget_get_screen(vc->gfx.drawing_area),
532                              x_root, y_root);
533 }
534 #endif
535 
536 static void gd_cursor_define(DisplayChangeListener *dcl,
537                              QEMUCursor *c)
538 {
539     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
540     GdkPixbuf *pixbuf;
541     GdkCursor *cursor;
542 
543     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
544                                       GDK_COLORSPACE_RGB, true, 8,
545                                       c->width, c->height, c->width * 4,
546                                       NULL, NULL);
547     cursor = gdk_cursor_new_from_pixbuf
548         (gtk_widget_get_display(vc->gfx.drawing_area),
549          pixbuf, c->hot_x, c->hot_y);
550     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
551     g_object_unref(pixbuf);
552 #if !GTK_CHECK_VERSION(3, 0, 0)
553     gdk_cursor_unref(cursor);
554 #else
555     g_object_unref(cursor);
556 #endif
557 }
558 
559 static void gd_switch(DisplayChangeListener *dcl,
560                       DisplaySurface *surface)
561 {
562     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
563     bool resized = true;
564 
565     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
566 
567     if (vc->gfx.surface) {
568         cairo_surface_destroy(vc->gfx.surface);
569     }
570 
571     if (vc->gfx.ds &&
572         surface_width(vc->gfx.ds) == surface_width(surface) &&
573         surface_height(vc->gfx.ds) == surface_height(surface)) {
574         resized = false;
575     }
576     vc->gfx.ds = surface;
577 
578     if (vc->gfx.convert) {
579         pixman_image_unref(vc->gfx.convert);
580         vc->gfx.convert = NULL;
581     }
582 
583     if (surface->format == PIXMAN_x8r8g8b8) {
584         /*
585          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
586          *
587          * No need to convert, use surface directly.  Should be the
588          * common case as this is qemu_default_pixelformat(32) too.
589          */
590         vc->gfx.surface = cairo_image_surface_create_for_data
591             (surface_data(surface),
592              CAIRO_FORMAT_RGB24,
593              surface_width(surface),
594              surface_height(surface),
595              surface_stride(surface));
596     } else {
597         /* Must convert surface, use pixman to do it. */
598         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
599                                                    surface_width(surface),
600                                                    surface_height(surface),
601                                                    NULL, 0);
602         vc->gfx.surface = cairo_image_surface_create_for_data
603             ((void *)pixman_image_get_data(vc->gfx.convert),
604              CAIRO_FORMAT_RGB24,
605              pixman_image_get_width(vc->gfx.convert),
606              pixman_image_get_height(vc->gfx.convert),
607              pixman_image_get_stride(vc->gfx.convert));
608         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
609                                NULL, vc->gfx.convert,
610                                0, 0, 0, 0, 0, 0,
611                                pixman_image_get_width(vc->gfx.convert),
612                                pixman_image_get_height(vc->gfx.convert));
613     }
614 
615     if (resized) {
616         gd_update_windowsize(vc);
617     } else {
618         gd_update_full_redraw(vc);
619     }
620 }
621 
622 /** QEMU Events **/
623 
624 static void gd_change_runstate(void *opaque, int running, RunState state)
625 {
626     GtkDisplayState *s = opaque;
627 
628     gd_update_caption(s);
629 }
630 
631 static void gd_mouse_mode_change(Notifier *notify, void *data)
632 {
633     GtkDisplayState *s;
634     int i;
635 
636     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
637     /* release the grab at switching to absolute mode */
638     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
639         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
640                                        FALSE);
641     }
642     for (i = 0; i < s->nb_vcs; i++) {
643         VirtualConsole *vc = &s->vc[i];
644         gd_update_cursor(vc);
645     }
646 }
647 
648 /** GTK Events **/
649 
650 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
651                                 void *opaque)
652 {
653     GtkDisplayState *s = opaque;
654     int i;
655 
656     if (!no_quit) {
657         for (i = 0; i < s->nb_vcs; i++) {
658             if (s->vc[i].type != GD_VC_GFX) {
659                 continue;
660             }
661             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
662         }
663         qmp_quit(NULL);
664         return FALSE;
665     }
666 
667     return TRUE;
668 }
669 
670 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
671 {
672     VirtualConsole *vc = opaque;
673     GtkDisplayState *s = vc->s;
674     int mx, my;
675     int ww, wh;
676     int fbw, fbh;
677 
678     if (!gtk_widget_get_realized(widget)) {
679         return FALSE;
680     }
681 
682     fbw = surface_width(vc->gfx.ds);
683     fbh = surface_height(vc->gfx.ds);
684 
685     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
686 
687     if (s->full_screen) {
688         vc->gfx.scale_x = (double)ww / fbw;
689         vc->gfx.scale_y = (double)wh / fbh;
690     } else if (s->free_scale) {
691         double sx, sy;
692 
693         sx = (double)ww / fbw;
694         sy = (double)wh / fbh;
695 
696         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
697     }
698 
699     fbw *= vc->gfx.scale_x;
700     fbh *= vc->gfx.scale_y;
701 
702     mx = my = 0;
703     if (ww > fbw) {
704         mx = (ww - fbw) / 2;
705     }
706     if (wh > fbh) {
707         my = (wh - fbh) / 2;
708     }
709 
710     cairo_rectangle(cr, 0, 0, ww, wh);
711 
712     /* Optionally cut out the inner area where the pixmap
713        will be drawn. This avoids 'flashing' since we're
714        not double-buffering. Note we're using the undocumented
715        behaviour of drawing the rectangle from right to left
716        to cut out the whole */
717     cairo_rectangle(cr, mx + fbw, my,
718                     -1 * fbw, fbh);
719     cairo_fill(cr);
720 
721     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
722     cairo_set_source_surface(cr, vc->gfx.surface,
723                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
724     cairo_paint(cr);
725 
726     return TRUE;
727 }
728 
729 #if !GTK_CHECK_VERSION(3, 0, 0)
730 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
731                                 void *opaque)
732 {
733     cairo_t *cr;
734     gboolean ret;
735 
736     cr = gdk_cairo_create(gtk_widget_get_window(widget));
737     cairo_rectangle(cr,
738                     expose->area.x,
739                     expose->area.y,
740                     expose->area.width,
741                     expose->area.height);
742     cairo_clip(cr);
743 
744     ret = gd_draw_event(widget, cr, opaque);
745 
746     cairo_destroy(cr);
747 
748     return ret;
749 }
750 #endif
751 
752 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
753                                 void *opaque)
754 {
755     VirtualConsole *vc = opaque;
756     GtkDisplayState *s = vc->s;
757     int x, y;
758     int mx, my;
759     int fbh, fbw;
760     int ww, wh;
761 
762     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
763     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
764 
765     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
766                           &ww, &wh);
767 
768     mx = my = 0;
769     if (ww > fbw) {
770         mx = (ww - fbw) / 2;
771     }
772     if (wh > fbh) {
773         my = (wh - fbh) / 2;
774     }
775 
776     x = (motion->x - mx) / vc->gfx.scale_x;
777     y = (motion->y - my) / vc->gfx.scale_y;
778 
779     if (qemu_input_is_absolute()) {
780         if (x < 0 || y < 0 ||
781             x >= surface_width(vc->gfx.ds) ||
782             y >= surface_height(vc->gfx.ds)) {
783             return TRUE;
784         }
785         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
786                              surface_width(vc->gfx.ds));
787         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
788                              surface_height(vc->gfx.ds));
789         qemu_input_event_sync();
790     } else if (s->last_set && s->ptr_owner == vc) {
791         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
792         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
793         qemu_input_event_sync();
794     }
795     s->last_x = x;
796     s->last_y = y;
797     s->last_set = TRUE;
798 
799     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
800         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
801         int x = (int)motion->x_root;
802         int y = (int)motion->y_root;
803 
804         /* In relative mode check to see if client pointer hit
805          * one of the screen edges, and if so move it back by
806          * 200 pixels. This is important because the pointer
807          * in the server doesn't correspond 1-for-1, and so
808          * may still be only half way across the screen. Without
809          * this warp, the server pointer would thus appear to hit
810          * an invisible wall */
811         if (x == 0) {
812             x += 200;
813         }
814         if (y == 0) {
815             y += 200;
816         }
817         if (x == (gdk_screen_get_width(screen) - 1)) {
818             x -= 200;
819         }
820         if (y == (gdk_screen_get_height(screen) - 1)) {
821             y -= 200;
822         }
823 
824         if (x != (int)motion->x_root || y != (int)motion->y_root) {
825 #if GTK_CHECK_VERSION(3, 0, 0)
826             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
827             gdk_device_warp(dev, screen, x, y);
828 #else
829             GdkDisplay *display = gtk_widget_get_display(widget);
830             gdk_display_warp_pointer(display, screen, x, y);
831 #endif
832             s->last_set = FALSE;
833             return FALSE;
834         }
835     }
836     return TRUE;
837 }
838 
839 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
840                                 void *opaque)
841 {
842     VirtualConsole *vc = opaque;
843     GtkDisplayState *s = vc->s;
844     InputButton btn;
845 
846     /* implicitly grab the input at the first click in the relative mode */
847     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
848         !qemu_input_is_absolute() && s->ptr_owner != vc) {
849         gd_ungrab_pointer(s);
850         if (!vc->window) {
851             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
852                                            TRUE);
853         } else {
854             gd_grab_pointer(vc);
855             gd_update_caption(s);
856         }
857         return TRUE;
858     }
859 
860     if (button->button == 1) {
861         btn = INPUT_BUTTON_LEFT;
862     } else if (button->button == 2) {
863         btn = INPUT_BUTTON_MIDDLE;
864     } else if (button->button == 3) {
865         btn = INPUT_BUTTON_RIGHT;
866     } else {
867         return TRUE;
868     }
869 
870     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
871                          button->type == GDK_BUTTON_PRESS);
872     qemu_input_event_sync();
873     return TRUE;
874 }
875 
876 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
877                                 void *opaque)
878 {
879     VirtualConsole *vc = opaque;
880     InputButton btn;
881 
882     if (scroll->direction == GDK_SCROLL_UP) {
883         btn = INPUT_BUTTON_WHEEL_UP;
884     } else if (scroll->direction == GDK_SCROLL_DOWN) {
885         btn = INPUT_BUTTON_WHEEL_DOWN;
886     } else {
887         return TRUE;
888     }
889 
890     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
891     qemu_input_event_sync();
892     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
893     qemu_input_event_sync();
894     return TRUE;
895 }
896 
897 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
898 {
899     int qemu_keycode;
900 
901 #ifdef GDK_WINDOWING_WIN32
902     if (GDK_IS_WIN32_DISPLAY(dpy)) {
903         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
904         switch (qemu_keycode) {
905         case 103:   /* alt gr */
906             qemu_keycode = 56 | SCANCODE_GREY;
907             break;
908         }
909         return qemu_keycode;
910     }
911 #endif
912 
913     if (gdk_keycode < 9) {
914         qemu_keycode = 0;
915     } else if (gdk_keycode < 97) {
916         qemu_keycode = gdk_keycode - 8;
917 #ifdef GDK_WINDOWING_X11
918     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
919         if (s->has_evdev) {
920             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
921         } else {
922             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
923         }
924 #endif
925     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
926         qemu_keycode = 0x70;
927     } else if (gdk_keycode == 211) { /* backslash */
928         qemu_keycode = 0x73;
929     } else {
930         qemu_keycode = 0;
931     }
932 
933     return qemu_keycode;
934 }
935 
936 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
937 {
938     VirtualConsole *vc = opaque;
939     GtkDisplayState *s = vc->s;
940     int gdk_keycode = key->hardware_keycode;
941     int qemu_keycode;
942     int i;
943 
944     if (key->keyval == GDK_KEY_Pause) {
945         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
946                                         key->type == GDK_KEY_PRESS);
947         return TRUE;
948     }
949 
950     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
951                                   gdk_keycode);
952 
953     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
954                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
955 
956     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
957         if (qemu_keycode == modifier_keycode[i]) {
958             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
959         }
960     }
961 
962     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
963                                      key->type == GDK_KEY_PRESS);
964 
965     return TRUE;
966 }
967 
968 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
969 {
970     if (event->type == GDK_MOTION_NOTIFY) {
971         return gd_motion_event(widget, &event->motion, opaque);
972     }
973     return FALSE;
974 }
975 
976 /** Window Menu Actions **/
977 
978 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
979 {
980     GtkDisplayState *s = opaque;
981 
982     if (s->external_pause_update) {
983         return;
984     }
985     if (runstate_is_running()) {
986         qmp_stop(NULL);
987     } else {
988         qmp_cont(NULL);
989     }
990 }
991 
992 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
993 {
994     qmp_system_reset(NULL);
995 }
996 
997 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
998 {
999     qmp_system_powerdown(NULL);
1000 }
1001 
1002 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1003 {
1004     qmp_quit(NULL);
1005 }
1006 
1007 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1008 {
1009     GtkDisplayState *s = opaque;
1010     VirtualConsole *vc = gd_vc_find_by_menu(s);
1011     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1012     GtkWidget *child;
1013     gint page;
1014 
1015     gtk_release_modifiers(s);
1016     if (vc) {
1017         page = gtk_notebook_page_num(nb, vc->tab_item);
1018         gtk_notebook_set_current_page(nb, page);
1019         child = gtk_notebook_get_nth_page(nb, page);
1020         gtk_widget_grab_focus(child);
1021     }
1022 }
1023 
1024 static void gd_accel_switch_vc(void *opaque)
1025 {
1026     VirtualConsole *vc = opaque;
1027     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1028 }
1029 
1030 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1031 {
1032     GtkDisplayState *s = opaque;
1033     VirtualConsole *vc = gd_vc_find_current(s);
1034 
1035     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1036         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1037     } else {
1038         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1039     }
1040     gd_update_windowsize(vc);
1041 }
1042 
1043 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1044                                     void *opaque)
1045 {
1046     VirtualConsole *vc = opaque;
1047     GtkDisplayState *s = vc->s;
1048 
1049     gtk_widget_set_sensitive(vc->menu_item, true);
1050     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1051     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1052                                     vc->tab_item, vc->label);
1053     gtk_widget_destroy(vc->window);
1054     vc->window = NULL;
1055     return TRUE;
1056 }
1057 
1058 static gboolean gd_win_grab(void *opaque)
1059 {
1060     VirtualConsole *vc = opaque;
1061 
1062     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1063     if (vc->s->ptr_owner) {
1064         gd_ungrab_pointer(vc->s);
1065     } else {
1066         gd_grab_pointer(vc);
1067     }
1068     gd_update_caption(vc->s);
1069     return TRUE;
1070 }
1071 
1072 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1073 {
1074     GtkDisplayState *s = opaque;
1075     VirtualConsole *vc = gd_vc_find_current(s);
1076 
1077     if (vc->type == GD_VC_GFX) {
1078         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1079                                        FALSE);
1080     }
1081     if (!vc->window) {
1082         gtk_widget_set_sensitive(vc->menu_item, false);
1083         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1084         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1085 
1086         g_signal_connect(vc->window, "delete-event",
1087                          G_CALLBACK(gd_tab_window_close), vc);
1088         gtk_widget_show_all(vc->window);
1089 
1090         GtkAccelGroup *ag = gtk_accel_group_new();
1091         gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1092 
1093         GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab), vc, NULL);
1094         gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1095 
1096         gd_update_geometry_hints(vc);
1097         gd_update_caption(s);
1098     }
1099 }
1100 
1101 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1102 {
1103     GtkDisplayState *s = opaque;
1104     VirtualConsole *vc = gd_vc_find_current(s);
1105 
1106     if (!s->full_screen) {
1107         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1108         gtk_widget_hide(s->menu_bar);
1109         if (vc->type == GD_VC_GFX) {
1110             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1111             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1112                                            TRUE);
1113         }
1114         gtk_window_fullscreen(GTK_WINDOW(s->window));
1115         s->full_screen = TRUE;
1116     } else {
1117         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1118         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1119         gtk_widget_show(s->menu_bar);
1120         s->full_screen = FALSE;
1121         if (vc->type == GD_VC_GFX) {
1122             vc->gfx.scale_x = 1.0;
1123             vc->gfx.scale_y = 1.0;
1124             gd_update_windowsize(vc);
1125             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1126                                            FALSE);
1127         }
1128     }
1129 
1130     gd_update_cursor(vc);
1131 }
1132 
1133 static void gd_accel_full_screen(void *opaque)
1134 {
1135     GtkDisplayState *s = opaque;
1136     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1137 }
1138 
1139 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1140 {
1141     GtkDisplayState *s = opaque;
1142     VirtualConsole *vc = gd_vc_find_current(s);
1143 
1144     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1145                                    FALSE);
1146 
1147     vc->gfx.scale_x += VC_SCALE_STEP;
1148     vc->gfx.scale_y += VC_SCALE_STEP;
1149 
1150     gd_update_windowsize(vc);
1151 }
1152 
1153 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1154 {
1155     GtkDisplayState *s = opaque;
1156     VirtualConsole *vc = gd_vc_find_current(s);
1157 
1158     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1159                                    FALSE);
1160 
1161     vc->gfx.scale_x -= VC_SCALE_STEP;
1162     vc->gfx.scale_y -= VC_SCALE_STEP;
1163 
1164     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1165     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1166 
1167     gd_update_windowsize(vc);
1168 }
1169 
1170 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1171 {
1172     GtkDisplayState *s = opaque;
1173     VirtualConsole *vc = gd_vc_find_current(s);
1174 
1175     vc->gfx.scale_x = 1.0;
1176     vc->gfx.scale_y = 1.0;
1177 
1178     gd_update_windowsize(vc);
1179 }
1180 
1181 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1182 {
1183     GtkDisplayState *s = opaque;
1184     VirtualConsole *vc = gd_vc_find_current(s);
1185 
1186     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1187         s->free_scale = TRUE;
1188     } else {
1189         s->free_scale = FALSE;
1190         vc->gfx.scale_x = 1.0;
1191         vc->gfx.scale_y = 1.0;
1192     }
1193 
1194     gd_update_windowsize(vc);
1195     gd_update_full_redraw(vc);
1196 }
1197 
1198 #if GTK_CHECK_VERSION(3, 0, 0)
1199 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1200                             GdkInputSource source, GdkEventMask mask,
1201                             GdkCursor *cursor)
1202 {
1203     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1204     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1205     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1206     GList *tmp = devs;
1207 
1208     for (tmp = devs; tmp; tmp = tmp->next) {
1209         GdkDevice *dev = tmp->data;
1210         if (gdk_device_get_source(dev) != source) {
1211             continue;
1212         }
1213         if (grab) {
1214             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1215             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1216                             mask, cursor, GDK_CURRENT_TIME);
1217         } else {
1218             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1219         }
1220     }
1221     g_list_free(devs);
1222 }
1223 #endif
1224 
1225 static void gd_grab_keyboard(VirtualConsole *vc)
1226 {
1227 #if GTK_CHECK_VERSION(3, 0, 0)
1228     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1229                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1230                    NULL);
1231 #else
1232     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1233                       FALSE,
1234                       GDK_CURRENT_TIME);
1235 #endif
1236     vc->s->kbd_owner = vc;
1237     trace_gd_grab(vc->label, "kbd", true);
1238 }
1239 
1240 static void gd_ungrab_keyboard(GtkDisplayState *s)
1241 {
1242     VirtualConsole *vc = s->kbd_owner;
1243 
1244     if (vc == NULL) {
1245         return;
1246     }
1247     s->kbd_owner = NULL;
1248 
1249 #if GTK_CHECK_VERSION(3, 0, 0)
1250     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1251 #else
1252     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1253 #endif
1254     trace_gd_grab(vc->label, "kbd", false);
1255 }
1256 
1257 static void gd_grab_pointer(VirtualConsole *vc)
1258 {
1259     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1260 #if GTK_CHECK_VERSION(3, 0, 0)
1261     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1262     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1263                     GDK_POINTER_MOTION_MASK |
1264                     GDK_BUTTON_PRESS_MASK |
1265                     GDK_BUTTON_RELEASE_MASK |
1266                     GDK_BUTTON_MOTION_MASK |
1267                     GDK_SCROLL_MASK,
1268                     vc->s->null_cursor);
1269     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1270                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1271 #else
1272     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1273                      FALSE, /* All events to come to our window directly */
1274                      GDK_POINTER_MOTION_MASK |
1275                      GDK_BUTTON_PRESS_MASK |
1276                      GDK_BUTTON_RELEASE_MASK |
1277                      GDK_BUTTON_MOTION_MASK |
1278                      GDK_SCROLL_MASK,
1279                      NULL, /* Allow cursor to move over entire desktop */
1280                      vc->s->null_cursor,
1281                      GDK_CURRENT_TIME);
1282     gdk_display_get_pointer(display, NULL,
1283                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1284 #endif
1285     vc->s->ptr_owner = vc;
1286     trace_gd_grab(vc->label, "ptr", true);
1287 }
1288 
1289 static void gd_ungrab_pointer(GtkDisplayState *s)
1290 {
1291     VirtualConsole *vc = s->ptr_owner;
1292 
1293     if (vc == NULL) {
1294         return;
1295     }
1296     s->ptr_owner = NULL;
1297 
1298     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1299 #if GTK_CHECK_VERSION(3, 0, 0)
1300     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1301     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1302     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1303                     gtk_widget_get_screen(vc->gfx.drawing_area),
1304                     vc->s->grab_x_root, vc->s->grab_y_root);
1305 #else
1306     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1307     gdk_display_warp_pointer(display,
1308                              gtk_widget_get_screen(vc->gfx.drawing_area),
1309                              vc->s->grab_x_root, vc->s->grab_y_root);
1310 #endif
1311     trace_gd_grab(vc->label, "ptr", false);
1312 }
1313 
1314 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1315 {
1316     GtkDisplayState *s = opaque;
1317     VirtualConsole *vc = gd_vc_find_current(s);
1318 
1319     if (gd_is_grab_active(s)) {
1320         if (!gd_grab_on_hover(s)) {
1321             gd_grab_keyboard(vc);
1322         }
1323         gd_grab_pointer(vc);
1324     } else {
1325         gd_ungrab_keyboard(s);
1326         gd_ungrab_pointer(s);
1327     }
1328 
1329     gd_update_caption(s);
1330     gd_update_cursor(vc);
1331 }
1332 
1333 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1334                            gpointer data)
1335 {
1336     GtkDisplayState *s = data;
1337     VirtualConsole *vc;
1338     gboolean on_vga;
1339 
1340     if (!gtk_widget_get_realized(s->notebook)) {
1341         return;
1342     }
1343 
1344 #ifdef VTE_RESIZE_HACK
1345     vc = gd_vc_find_current(s);
1346     if (vc && vc->type == GD_VC_VTE) {
1347         gtk_widget_hide(vc->vte.terminal);
1348     }
1349 #endif
1350     vc = gd_vc_find_by_page(s, arg2);
1351     if (!vc) {
1352         return;
1353     }
1354 #ifdef VTE_RESIZE_HACK
1355     if (vc->type == GD_VC_VTE) {
1356         gtk_widget_show(vc->vte.terminal);
1357     }
1358 #endif
1359     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1360                                    TRUE);
1361     on_vga = (vc->type == GD_VC_GFX);
1362     if (!on_vga) {
1363         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1364                                        FALSE);
1365     } else if (s->full_screen) {
1366         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1367                                        TRUE);
1368     }
1369     gtk_widget_set_sensitive(s->grab_item, on_vga);
1370 
1371     gd_update_windowsize(vc);
1372     gd_update_cursor(vc);
1373 }
1374 
1375 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1376                                gpointer opaque)
1377 {
1378     VirtualConsole *vc = opaque;
1379     GtkDisplayState *s = vc->s;
1380 
1381     if (gd_grab_on_hover(s)) {
1382         gd_ungrab_keyboard(s);
1383         gd_grab_keyboard(vc);
1384         gd_update_caption(s);
1385     }
1386     return TRUE;
1387 }
1388 
1389 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1390                                gpointer opaque)
1391 {
1392     VirtualConsole *vc = opaque;
1393     GtkDisplayState *s = vc->s;
1394 
1395     if (gd_grab_on_hover(s)) {
1396         gd_ungrab_keyboard(s);
1397         gd_update_caption(s);
1398     }
1399     return TRUE;
1400 }
1401 
1402 static gboolean gd_focus_out_event(GtkWidget *widget,
1403                                    GdkEventCrossing *crossing, gpointer opaque)
1404 {
1405     VirtualConsole *vc = opaque;
1406     GtkDisplayState *s = vc->s;
1407 
1408     gtk_release_modifiers(s);
1409     return TRUE;
1410 }
1411 
1412 /** Virtual Console Callbacks **/
1413 
1414 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1415                                int idx, GSList *group, GtkWidget *view_menu)
1416 {
1417     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1418     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1419             HOTKEY_MODIFIERS, 0,
1420             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1421 #if GTK_CHECK_VERSION(3, 8, 0)
1422     gtk_accel_label_set_accel(
1423             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1424             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1425 #endif
1426 
1427     g_signal_connect(vc->menu_item, "activate",
1428                      G_CALLBACK(gd_menu_switch_vc), s);
1429     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1430 
1431     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1432     return group;
1433 }
1434 
1435 #if defined(CONFIG_VTE)
1436 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1437 {
1438     VirtualConsole *vc = opaque;
1439 
1440     if (gtk_adjustment_get_upper(adjustment) >
1441         gtk_adjustment_get_page_size(adjustment)) {
1442         gtk_widget_show(vc->vte.scrollbar);
1443     } else {
1444         gtk_widget_hide(vc->vte.scrollbar);
1445     }
1446 }
1447 
1448 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1449 {
1450     VirtualConsole *vc = chr->opaque;
1451 
1452     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1453     return len;
1454 }
1455 
1456 static int nb_vcs;
1457 static CharDriverState *vcs[MAX_VCS];
1458 
1459 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1460 {
1461     CharDriverState *chr;
1462 
1463     chr = g_malloc0(sizeof(*chr));
1464     chr->chr_write = gd_vc_chr_write;
1465     /* defer OPENED events until our vc is fully initialized */
1466     chr->explicit_be_open = true;
1467 
1468     vcs[nb_vcs++] = chr;
1469 
1470     return chr;
1471 }
1472 
1473 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1474                          gpointer user_data)
1475 {
1476     VirtualConsole *vc = user_data;
1477 
1478     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1479     return TRUE;
1480 }
1481 
1482 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1483                               CharDriverState *chr, int idx,
1484                               GSList *group, GtkWidget *view_menu)
1485 {
1486     char buffer[32];
1487     GtkWidget *box;
1488     GtkWidget *scrollbar;
1489     GtkAdjustment *vadjustment;
1490 
1491     vc->s = s;
1492     vc->vte.chr = chr;
1493 
1494     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1495     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1496                                 ? vc->vte.chr->label : buffer);
1497     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1498 
1499     vc->vte.terminal = vte_terminal_new();
1500     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1501 
1502     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1503     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1504                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1505 
1506 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1507     vadjustment = gtk_scrollable_get_vadjustment
1508         (GTK_SCROLLABLE(vc->vte.terminal));
1509 #else
1510     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1511 #endif
1512 
1513 #if GTK_CHECK_VERSION(3, 0, 0)
1514     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1515     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1516 #else
1517     box = gtk_hbox_new(false, 2);
1518     scrollbar = gtk_vscrollbar_new(vadjustment);
1519 #endif
1520 
1521     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1522     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1523 
1524     vc->vte.chr->opaque = vc;
1525     vc->vte.box = box;
1526     vc->vte.scrollbar = scrollbar;
1527 
1528     g_signal_connect(vadjustment, "changed",
1529                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1530 
1531     vc->type = GD_VC_VTE;
1532     vc->tab_item = box;
1533     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1534                              gtk_label_new(vc->label));
1535 
1536     qemu_chr_be_generic_open(vc->vte.chr);
1537     if (vc->vte.chr->init) {
1538         vc->vte.chr->init(vc->vte.chr);
1539     }
1540 
1541     return group;
1542 }
1543 
1544 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1545                         GtkWidget *view_menu)
1546 {
1547     int i;
1548 
1549     for (i = 0; i < nb_vcs; i++) {
1550         VirtualConsole *vc = &s->vc[s->nb_vcs];
1551         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1552         s->nb_vcs++;
1553     }
1554 }
1555 #endif /* CONFIG_VTE */
1556 
1557 /** Window Creation **/
1558 
1559 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1560 {
1561 #if GTK_CHECK_VERSION(3, 0, 0)
1562     g_signal_connect(vc->gfx.drawing_area, "draw",
1563                      G_CALLBACK(gd_draw_event), vc);
1564 #else
1565     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1566                      G_CALLBACK(gd_expose_event), vc);
1567 #endif
1568     g_signal_connect(vc->gfx.drawing_area, "event",
1569                      G_CALLBACK(gd_event), vc);
1570     g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1571                      G_CALLBACK(gd_button_event), vc);
1572     g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1573                      G_CALLBACK(gd_button_event), vc);
1574     g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1575                      G_CALLBACK(gd_scroll_event), vc);
1576     g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1577                      G_CALLBACK(gd_key_event), vc);
1578     g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1579                      G_CALLBACK(gd_key_event), vc);
1580 
1581     g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1582                      G_CALLBACK(gd_enter_event), vc);
1583     g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1584                      G_CALLBACK(gd_leave_event), vc);
1585     g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1586                      G_CALLBACK(gd_focus_out_event), vc);
1587 }
1588 
1589 static void gd_connect_signals(GtkDisplayState *s)
1590 {
1591     g_signal_connect(s->show_tabs_item, "activate",
1592                      G_CALLBACK(gd_menu_show_tabs), s);
1593     g_signal_connect(s->untabify_item, "activate",
1594                      G_CALLBACK(gd_menu_untabify), s);
1595 
1596     g_signal_connect(s->window, "delete-event",
1597                      G_CALLBACK(gd_window_close), s);
1598 
1599     g_signal_connect(s->pause_item, "activate",
1600                      G_CALLBACK(gd_menu_pause), s);
1601     g_signal_connect(s->reset_item, "activate",
1602                      G_CALLBACK(gd_menu_reset), s);
1603     g_signal_connect(s->powerdown_item, "activate",
1604                      G_CALLBACK(gd_menu_powerdown), s);
1605     g_signal_connect(s->quit_item, "activate",
1606                      G_CALLBACK(gd_menu_quit), s);
1607     g_signal_connect(s->full_screen_item, "activate",
1608                      G_CALLBACK(gd_menu_full_screen), s);
1609     g_signal_connect(s->zoom_in_item, "activate",
1610                      G_CALLBACK(gd_menu_zoom_in), s);
1611     g_signal_connect(s->zoom_out_item, "activate",
1612                      G_CALLBACK(gd_menu_zoom_out), s);
1613     g_signal_connect(s->zoom_fixed_item, "activate",
1614                      G_CALLBACK(gd_menu_zoom_fixed), s);
1615     g_signal_connect(s->zoom_fit_item, "activate",
1616                      G_CALLBACK(gd_menu_zoom_fit), s);
1617     g_signal_connect(s->grab_item, "activate",
1618                      G_CALLBACK(gd_menu_grab_input), s);
1619     g_signal_connect(s->notebook, "switch-page",
1620                      G_CALLBACK(gd_change_page), s);
1621 }
1622 
1623 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1624 {
1625     GtkWidget *machine_menu;
1626     GtkWidget *separator;
1627 
1628     machine_menu = gtk_menu_new();
1629     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1630 
1631     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1632     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1633 
1634     separator = gtk_separator_menu_item_new();
1635     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1636 
1637     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1638     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1639 
1640     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1641     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1642 
1643     separator = gtk_separator_menu_item_new();
1644     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1645 
1646     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1647     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1648                                  "<QEMU>/Machine/Quit");
1649     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1650                             GDK_KEY_q, HOTKEY_MODIFIERS);
1651     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1652 
1653     return machine_menu;
1654 }
1655 
1656 static const DisplayChangeListenerOps dcl_ops = {
1657     .dpy_name          = "gtk",
1658     .dpy_gfx_update    = gd_update,
1659     .dpy_gfx_switch    = gd_switch,
1660     .dpy_refresh       = gd_refresh,
1661     .dpy_mouse_set     = gd_mouse_set,
1662     .dpy_cursor_define = gd_cursor_define,
1663 };
1664 
1665 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1666                               QemuConsole *con, int idx,
1667                               GSList *group, GtkWidget *view_menu)
1668 {
1669     Error *local_err = NULL;
1670     Object *obj;
1671 
1672     obj = object_property_get_link(OBJECT(con), "device", &local_err);
1673     if (obj) {
1674         vc->label = g_strdup_printf("%s", object_get_typename(obj));
1675     } else {
1676         vc->label = g_strdup_printf("VGA");
1677     }
1678 
1679     vc->s = s;
1680     vc->gfx.scale_x = 1.0;
1681     vc->gfx.scale_y = 1.0;
1682 
1683     vc->gfx.drawing_area = gtk_drawing_area_new();
1684     gtk_widget_add_events(vc->gfx.drawing_area,
1685                           GDK_POINTER_MOTION_MASK |
1686                           GDK_BUTTON_PRESS_MASK |
1687                           GDK_BUTTON_RELEASE_MASK |
1688                           GDK_BUTTON_MOTION_MASK |
1689                           GDK_ENTER_NOTIFY_MASK |
1690                           GDK_LEAVE_NOTIFY_MASK |
1691                           GDK_SCROLL_MASK |
1692                           GDK_KEY_PRESS_MASK);
1693     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1694 
1695     vc->type = GD_VC_GFX;
1696     vc->tab_item = vc->gfx.drawing_area;
1697     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1698                              vc->tab_item, gtk_label_new(vc->label));
1699     gd_connect_vc_gfx_signals(vc);
1700 
1701     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1702 
1703     vc->gfx.dcl.ops = &dcl_ops;
1704     vc->gfx.dcl.con = con;
1705     register_displaychangelistener(&vc->gfx.dcl);
1706 
1707     return group;
1708 }
1709 
1710 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
1711 {
1712     GSList *group = NULL;
1713     GtkWidget *view_menu;
1714     GtkWidget *separator;
1715     QemuConsole *con;
1716     int vc;
1717 
1718     view_menu = gtk_menu_new();
1719     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
1720 
1721     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1722 
1723     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
1724             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
1725 #if GTK_CHECK_VERSION(3, 8, 0)
1726     gtk_accel_label_set_accel(
1727             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
1728             GDK_KEY_f, HOTKEY_MODIFIERS);
1729 #endif
1730     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1731 
1732     separator = gtk_separator_menu_item_new();
1733     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1734 
1735     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1736     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1737                                  "<QEMU>/View/Zoom In");
1738     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1739                             HOTKEY_MODIFIERS);
1740     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1741 
1742     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1743     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1744                                  "<QEMU>/View/Zoom Out");
1745     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1746                             HOTKEY_MODIFIERS);
1747     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1748 
1749     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1750     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1751                                  "<QEMU>/View/Zoom Fixed");
1752     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1753                             HOTKEY_MODIFIERS);
1754     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1755 
1756     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1757     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1758 
1759     separator = gtk_separator_menu_item_new();
1760     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1761 
1762     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1763     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1764 
1765     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1766     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1767                                  "<QEMU>/View/Grab Input");
1768     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1769                             HOTKEY_MODIFIERS);
1770     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1771 
1772     separator = gtk_separator_menu_item_new();
1773     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1774 
1775     /* gfx */
1776     for (vc = 0;; vc++) {
1777         con = qemu_console_lookup_by_index(vc);
1778         if (!con || !qemu_console_is_graphic(con)) {
1779             break;
1780         }
1781         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1782                                vc, group, view_menu);
1783         s->nb_vcs++;
1784     }
1785 
1786 #if defined(CONFIG_VTE)
1787     /* vte */
1788     gd_vcs_init(s, group, view_menu);
1789 #endif
1790 
1791     separator = gtk_separator_menu_item_new();
1792     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1793 
1794     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1795     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1796 
1797     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1798     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1799 
1800     return view_menu;
1801 }
1802 
1803 static void gd_create_menus(GtkDisplayState *s)
1804 {
1805     s->accel_group = gtk_accel_group_new();
1806     s->machine_menu = gd_create_menu_machine(s);
1807     s->view_menu = gd_create_menu_view(s);
1808 
1809     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1810     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1811                               s->machine_menu);
1812     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1813 
1814     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1815     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1816     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1817 
1818     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
1819     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
1820 }
1821 
1822 static void gd_set_keycode_type(GtkDisplayState *s)
1823 {
1824 #ifdef GDK_WINDOWING_X11
1825     GdkDisplay *display = gtk_widget_get_display(s->window);
1826     if (GDK_IS_X11_DISPLAY(display)) {
1827         Display *x11_display = gdk_x11_display_get_xdisplay(display);
1828         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
1829                                          XkbUseCoreKbd);
1830         char *keycodes = NULL;
1831 
1832         if (desc && desc->names) {
1833             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
1834         }
1835         if (keycodes == NULL) {
1836             fprintf(stderr, "could not lookup keycode name\n");
1837         } else if (strstart(keycodes, "evdev", NULL)) {
1838             s->has_evdev = true;
1839         } else if (!strstart(keycodes, "xfree86", NULL)) {
1840             fprintf(stderr, "unknown keycodes `%s', please report to "
1841                     "qemu-devel@nongnu.org\n", keycodes);
1842         }
1843 
1844         if (desc) {
1845             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
1846         }
1847         if (keycodes) {
1848             XFree(keycodes);
1849         }
1850     }
1851 #endif
1852 }
1853 
1854 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1855 {
1856     GtkDisplayState *s = g_malloc0(sizeof(*s));
1857     char *filename;
1858 
1859     gtk_init(NULL, NULL);
1860 
1861     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1862 #if GTK_CHECK_VERSION(3, 2, 0)
1863     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1864 #else
1865     s->vbox = gtk_vbox_new(FALSE, 0);
1866 #endif
1867     s->notebook = gtk_notebook_new();
1868     s->menu_bar = gtk_menu_bar_new();
1869 
1870     s->free_scale = FALSE;
1871 
1872     setlocale(LC_ALL, "");
1873     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1874     textdomain("qemu");
1875 
1876     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1877 
1878     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1879     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1880     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1881 
1882     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1883     if (filename) {
1884         GError *error = NULL;
1885         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1886         if (pixbuf) {
1887             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1888         } else {
1889             g_error_free(error);
1890         }
1891         g_free(filename);
1892     }
1893 
1894     gd_create_menus(s);
1895 
1896     gd_connect_signals(s);
1897 
1898     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1899     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1900 
1901     gd_update_caption(s);
1902 
1903     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1904     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1905 
1906     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1907 
1908     gtk_widget_show_all(s->window);
1909 
1910 #ifdef VTE_RESIZE_HACK
1911     {
1912         VirtualConsole *cur = gd_vc_find_current(s);
1913         int i;
1914 
1915         for (i = 0; i < s->nb_vcs; i++) {
1916             VirtualConsole *vc = &s->vc[i];
1917             if (vc && vc->type == GD_VC_VTE && vc != cur) {
1918                 gtk_widget_hide(vc->vte.terminal);
1919             }
1920         }
1921         gd_update_windowsize(cur);
1922     }
1923 #endif
1924 
1925     if (full_screen) {
1926         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1927     }
1928     if (grab_on_hover) {
1929         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1930     }
1931 
1932     gd_set_keycode_type(s);
1933 }
1934 
1935 void early_gtk_display_init(void)
1936 {
1937 #if defined(CONFIG_VTE)
1938     register_vc_handler(gd_vc_handler);
1939 #endif
1940 }
1941