xref: /openbmc/qemu/ui/gtk.c (revision f702e62a)
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 #endif
132 
133 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
134 
135 static const int modifier_keycode[] = {
136     /* shift, control, alt keys, meta keys, both left & right */
137     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
138 };
139 
140 typedef struct GtkDisplayState GtkDisplayState;
141 
142 typedef struct VirtualGfxConsole {
143     GtkWidget *drawing_area;
144     DisplayChangeListener dcl;
145     DisplaySurface *ds;
146     pixman_image_t *convert;
147     cairo_surface_t *surface;
148     double scale_x;
149     double scale_y;
150 } VirtualGfxConsole;
151 
152 #if defined(CONFIG_VTE)
153 typedef struct VirtualVteConsole {
154     GtkWidget *box;
155     GtkWidget *scrollbar;
156     GtkWidget *terminal;
157     CharDriverState *chr;
158 } VirtualVteConsole;
159 #endif
160 
161 typedef enum VirtualConsoleType {
162     GD_VC_GFX,
163     GD_VC_VTE,
164 } VirtualConsoleType;
165 
166 typedef struct VirtualConsole {
167     GtkDisplayState *s;
168     char *label;
169     GtkWidget *window;
170     GtkWidget *menu_item;
171     GtkWidget *tab_item;
172     VirtualConsoleType type;
173     union {
174         VirtualGfxConsole gfx;
175 #if defined(CONFIG_VTE)
176         VirtualVteConsole vte;
177 #endif
178     };
179 } VirtualConsole;
180 
181 struct GtkDisplayState {
182     GtkWidget *window;
183 
184     GtkWidget *menu_bar;
185 
186     GtkAccelGroup *accel_group;
187 
188     GtkWidget *machine_menu_item;
189     GtkWidget *machine_menu;
190     GtkWidget *pause_item;
191     GtkWidget *reset_item;
192     GtkWidget *powerdown_item;
193     GtkWidget *quit_item;
194 
195     GtkWidget *view_menu_item;
196     GtkWidget *view_menu;
197     GtkWidget *full_screen_item;
198     GtkWidget *zoom_in_item;
199     GtkWidget *zoom_out_item;
200     GtkWidget *zoom_fixed_item;
201     GtkWidget *zoom_fit_item;
202     GtkWidget *grab_item;
203     GtkWidget *grab_on_hover_item;
204 
205     int nb_vcs;
206     VirtualConsole vc[MAX_VCS];
207 
208     GtkWidget *show_tabs_item;
209     GtkWidget *untabify_item;
210 
211     GtkWidget *vbox;
212     GtkWidget *notebook;
213     int button_mask;
214     gboolean last_set;
215     int last_x;
216     int last_y;
217     int grab_x_root;
218     int grab_y_root;
219     VirtualConsole *kbd_owner;
220     VirtualConsole *ptr_owner;
221 
222     gboolean full_screen;
223 
224     GdkCursor *null_cursor;
225     Notifier mouse_mode_notifier;
226     gboolean free_scale;
227 
228     bool external_pause_update;
229 
230     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
231     bool has_evdev;
232 };
233 
234 static void gd_grab_pointer(VirtualConsole *vc);
235 static void gd_ungrab_pointer(GtkDisplayState *s);
236 
237 /** Utility Functions **/
238 
239 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
240 {
241     VirtualConsole *vc;
242     gint i;
243 
244     for (i = 0; i < s->nb_vcs; i++) {
245         vc = &s->vc[i];
246         if (gtk_check_menu_item_get_active
247             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
248             return vc;
249         }
250     }
251     return NULL;
252 }
253 
254 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
255 {
256     VirtualConsole *vc;
257     gint i, p;
258 
259     for (i = 0; i < s->nb_vcs; i++) {
260         vc = &s->vc[i];
261         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
262         if (p == page) {
263             return vc;
264         }
265     }
266     return NULL;
267 }
268 
269 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
270 {
271     gint page;
272 
273     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
274     return gd_vc_find_by_page(s, page);
275 }
276 
277 static bool gd_is_grab_active(GtkDisplayState *s)
278 {
279     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
280 }
281 
282 static bool gd_grab_on_hover(GtkDisplayState *s)
283 {
284     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
285 }
286 
287 static void gd_update_cursor(VirtualConsole *vc)
288 {
289     GtkDisplayState *s = vc->s;
290     GdkWindow *window;
291 
292     if (vc->type != GD_VC_GFX) {
293         return;
294     }
295 
296     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
297     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
298         gdk_window_set_cursor(window, s->null_cursor);
299     } else {
300         gdk_window_set_cursor(window, NULL);
301     }
302 }
303 
304 static void gd_update_caption(GtkDisplayState *s)
305 {
306     const char *status = "";
307     gchar *prefix;
308     gchar *title;
309     const char *grab = "";
310     bool is_paused = !runstate_is_running();
311     int i;
312 
313     if (qemu_name) {
314         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
315     } else {
316         prefix = g_strdup_printf("QEMU");
317     }
318 
319     if (s->ptr_owner != NULL &&
320         s->ptr_owner->window == NULL) {
321         grab = _(" - Press Ctrl+Alt+G to release grab");
322     }
323 
324     if (is_paused) {
325         status = _(" [Paused]");
326     }
327     s->external_pause_update = true;
328     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
329                                    is_paused);
330     s->external_pause_update = false;
331 
332     title = g_strdup_printf("%s%s%s", prefix, status, grab);
333     gtk_window_set_title(GTK_WINDOW(s->window), title);
334     g_free(title);
335 
336     for (i = 0; i < s->nb_vcs; i++) {
337         VirtualConsole *vc = &s->vc[i];
338 
339         if (!vc->window) {
340             continue;
341         }
342         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
343                                 vc == s->kbd_owner ? " +kbd" : "",
344                                 vc == s->ptr_owner ? " +ptr" : "");
345         gtk_window_set_title(GTK_WINDOW(vc->window), title);
346         g_free(title);
347     }
348 
349     g_free(prefix);
350 }
351 
352 static void gd_update_geometry_hints(VirtualConsole *vc)
353 {
354     GtkDisplayState *s = vc->s;
355     GdkWindowHints mask = 0;
356     GdkGeometry geo = {};
357     GtkWidget *geo_widget = NULL;
358     GtkWindow *geo_window;
359 
360     if (vc->type == GD_VC_GFX) {
361         if (s->free_scale) {
362             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
363             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
364             mask |= GDK_HINT_MIN_SIZE;
365         } else {
366             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
367             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
368             mask |= GDK_HINT_MIN_SIZE;
369         }
370         geo_widget = vc->gfx.drawing_area;
371         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
372 
373 #if defined(CONFIG_VTE)
374     } else if (vc->type == GD_VC_VTE) {
375         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
376         GtkBorder *ib;
377 
378         geo.width_inc  = vte_terminal_get_char_width(term);
379         geo.height_inc = vte_terminal_get_char_height(term);
380         mask |= GDK_HINT_RESIZE_INC;
381         geo.base_width  = geo.width_inc;
382         geo.base_height = geo.height_inc;
383         mask |= GDK_HINT_BASE_SIZE;
384         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
385         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
386         mask |= GDK_HINT_MIN_SIZE;
387         gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
388         geo.base_width  += ib->left + ib->right;
389         geo.base_height += ib->top + ib->bottom;
390         geo.min_width   += ib->left + ib->right;
391         geo.min_height  += ib->top + ib->bottom;
392         geo_widget = vc->vte.terminal;
393 #endif
394     }
395 
396     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
397     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
398 }
399 
400 static void gd_update_windowsize(VirtualConsole *vc)
401 {
402     GtkDisplayState *s = vc->s;
403 
404     gd_update_geometry_hints(vc);
405 
406     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
407         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
408                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
409     }
410 }
411 
412 static void gd_update_full_redraw(VirtualConsole *vc)
413 {
414     GtkWidget *area = vc->gfx.drawing_area;
415     int ww, wh;
416     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
417     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
418 }
419 
420 static void gtk_release_modifiers(GtkDisplayState *s)
421 {
422     VirtualConsole *vc = gd_vc_find_current(s);
423     int i, keycode;
424 
425     if (vc->type != GD_VC_GFX) {
426         return;
427     }
428     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
429         keycode = modifier_keycode[i];
430         if (!s->modifier_pressed[i]) {
431             continue;
432         }
433         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
434         s->modifier_pressed[i] = false;
435     }
436 }
437 
438 /** DisplayState Callbacks **/
439 
440 static void gd_update(DisplayChangeListener *dcl,
441                       int x, int y, int w, int h)
442 {
443     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
444     int x1, x2, y1, y2;
445     int mx, my;
446     int fbw, fbh;
447     int ww, wh;
448 
449     trace_gd_update(vc->label, x, y, w, h);
450 
451     if (vc->gfx.convert) {
452         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
453                                NULL, vc->gfx.convert,
454                                x, y, 0, 0, x, y, w, h);
455     }
456 
457     x1 = floor(x * vc->gfx.scale_x);
458     y1 = floor(y * vc->gfx.scale_y);
459 
460     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
461     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
462 
463     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
464     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
465 
466     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
467                           &ww, &wh);
468 
469     mx = my = 0;
470     if (ww > fbw) {
471         mx = (ww - fbw) / 2;
472     }
473     if (wh > fbh) {
474         my = (wh - fbh) / 2;
475     }
476 
477     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
478                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
479 }
480 
481 static void gd_refresh(DisplayChangeListener *dcl)
482 {
483     graphic_hw_update(dcl->con);
484 }
485 
486 #if GTK_CHECK_VERSION(3, 0, 0)
487 static void gd_mouse_set(DisplayChangeListener *dcl,
488                          int x, int y, int visible)
489 {
490     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
491     GdkDisplay *dpy;
492     GdkDeviceManager *mgr;
493     gint x_root, y_root;
494 
495     if (qemu_input_is_absolute()) {
496         return;
497     }
498 
499     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
500     mgr = gdk_display_get_device_manager(dpy);
501     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
502                                x, y, &x_root, &y_root);
503     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
504                     gtk_widget_get_screen(vc->gfx.drawing_area),
505                     x_root, y_root);
506 }
507 #else
508 static void gd_mouse_set(DisplayChangeListener *dcl,
509                          int x, int y, int visible)
510 {
511     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
512     gint x_root, y_root;
513 
514     if (qemu_input_is_absolute()) {
515         return;
516     }
517 
518     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
519                                x, y, &x_root, &y_root);
520     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
521                              gtk_widget_get_screen(vc->gfx.drawing_area),
522                              x_root, y_root);
523 }
524 #endif
525 
526 static void gd_cursor_define(DisplayChangeListener *dcl,
527                              QEMUCursor *c)
528 {
529     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
530     GdkPixbuf *pixbuf;
531     GdkCursor *cursor;
532 
533     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
534                                       GDK_COLORSPACE_RGB, true, 8,
535                                       c->width, c->height, c->width * 4,
536                                       NULL, NULL);
537     cursor = gdk_cursor_new_from_pixbuf
538         (gtk_widget_get_display(vc->gfx.drawing_area),
539          pixbuf, c->hot_x, c->hot_y);
540     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
541     g_object_unref(pixbuf);
542 #if !GTK_CHECK_VERSION(3, 0, 0)
543     gdk_cursor_unref(cursor);
544 #else
545     g_object_unref(cursor);
546 #endif
547 }
548 
549 static void gd_switch(DisplayChangeListener *dcl,
550                       DisplaySurface *surface)
551 {
552     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
553     bool resized = true;
554 
555     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
556 
557     if (vc->gfx.surface) {
558         cairo_surface_destroy(vc->gfx.surface);
559     }
560 
561     if (vc->gfx.ds &&
562         surface_width(vc->gfx.ds) == surface_width(surface) &&
563         surface_height(vc->gfx.ds) == surface_height(surface)) {
564         resized = false;
565     }
566     vc->gfx.ds = surface;
567 
568     if (vc->gfx.convert) {
569         pixman_image_unref(vc->gfx.convert);
570         vc->gfx.convert = NULL;
571     }
572 
573     if (surface->format == PIXMAN_x8r8g8b8) {
574         /*
575          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
576          *
577          * No need to convert, use surface directly.  Should be the
578          * common case as this is qemu_default_pixelformat(32) too.
579          */
580         vc->gfx.surface = cairo_image_surface_create_for_data
581             (surface_data(surface),
582              CAIRO_FORMAT_RGB24,
583              surface_width(surface),
584              surface_height(surface),
585              surface_stride(surface));
586     } else {
587         /* Must convert surface, use pixman to do it. */
588         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
589                                                    surface_width(surface),
590                                                    surface_height(surface),
591                                                    NULL, 0);
592         vc->gfx.surface = cairo_image_surface_create_for_data
593             ((void *)pixman_image_get_data(vc->gfx.convert),
594              CAIRO_FORMAT_RGB24,
595              pixman_image_get_width(vc->gfx.convert),
596              pixman_image_get_height(vc->gfx.convert),
597              pixman_image_get_stride(vc->gfx.convert));
598         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
599                                NULL, vc->gfx.convert,
600                                0, 0, 0, 0, 0, 0,
601                                pixman_image_get_width(vc->gfx.convert),
602                                pixman_image_get_height(vc->gfx.convert));
603     }
604 
605     if (resized) {
606         gd_update_windowsize(vc);
607     } else {
608         gd_update_full_redraw(vc);
609     }
610 }
611 
612 /** QEMU Events **/
613 
614 static void gd_change_runstate(void *opaque, int running, RunState state)
615 {
616     GtkDisplayState *s = opaque;
617 
618     gd_update_caption(s);
619 }
620 
621 static void gd_mouse_mode_change(Notifier *notify, void *data)
622 {
623     GtkDisplayState *s;
624     int i;
625 
626     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
627     /* release the grab at switching to absolute mode */
628     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
629         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
630                                        FALSE);
631     }
632     for (i = 0; i < s->nb_vcs; i++) {
633         VirtualConsole *vc = &s->vc[i];
634         gd_update_cursor(vc);
635     }
636 }
637 
638 /** GTK Events **/
639 
640 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
641                                 void *opaque)
642 {
643     GtkDisplayState *s = opaque;
644     int i;
645 
646     if (!no_quit) {
647         for (i = 0; i < s->nb_vcs; i++) {
648             if (s->vc[i].type != GD_VC_GFX) {
649                 continue;
650             }
651             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
652         }
653         qmp_quit(NULL);
654         return FALSE;
655     }
656 
657     return TRUE;
658 }
659 
660 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
661 {
662     VirtualConsole *vc = opaque;
663     GtkDisplayState *s = vc->s;
664     int mx, my;
665     int ww, wh;
666     int fbw, fbh;
667 
668     if (!gtk_widget_get_realized(widget)) {
669         return FALSE;
670     }
671 
672     fbw = surface_width(vc->gfx.ds);
673     fbh = surface_height(vc->gfx.ds);
674 
675     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
676 
677     if (s->full_screen) {
678         vc->gfx.scale_x = (double)ww / fbw;
679         vc->gfx.scale_y = (double)wh / fbh;
680     } else if (s->free_scale) {
681         double sx, sy;
682 
683         sx = (double)ww / fbw;
684         sy = (double)wh / fbh;
685 
686         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
687     }
688 
689     fbw *= vc->gfx.scale_x;
690     fbh *= vc->gfx.scale_y;
691 
692     mx = my = 0;
693     if (ww > fbw) {
694         mx = (ww - fbw) / 2;
695     }
696     if (wh > fbh) {
697         my = (wh - fbh) / 2;
698     }
699 
700     cairo_rectangle(cr, 0, 0, ww, wh);
701 
702     /* Optionally cut out the inner area where the pixmap
703        will be drawn. This avoids 'flashing' since we're
704        not double-buffering. Note we're using the undocumented
705        behaviour of drawing the rectangle from right to left
706        to cut out the whole */
707     cairo_rectangle(cr, mx + fbw, my,
708                     -1 * fbw, fbh);
709     cairo_fill(cr);
710 
711     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
712     cairo_set_source_surface(cr, vc->gfx.surface,
713                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
714     cairo_paint(cr);
715 
716     return TRUE;
717 }
718 
719 #if !GTK_CHECK_VERSION(3, 0, 0)
720 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
721                                 void *opaque)
722 {
723     cairo_t *cr;
724     gboolean ret;
725 
726     cr = gdk_cairo_create(gtk_widget_get_window(widget));
727     cairo_rectangle(cr,
728                     expose->area.x,
729                     expose->area.y,
730                     expose->area.width,
731                     expose->area.height);
732     cairo_clip(cr);
733 
734     ret = gd_draw_event(widget, cr, opaque);
735 
736     cairo_destroy(cr);
737 
738     return ret;
739 }
740 #endif
741 
742 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
743                                 void *opaque)
744 {
745     VirtualConsole *vc = opaque;
746     GtkDisplayState *s = vc->s;
747     int x, y;
748     int mx, my;
749     int fbh, fbw;
750     int ww, wh;
751 
752     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
753     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
754 
755     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
756                           &ww, &wh);
757 
758     mx = my = 0;
759     if (ww > fbw) {
760         mx = (ww - fbw) / 2;
761     }
762     if (wh > fbh) {
763         my = (wh - fbh) / 2;
764     }
765 
766     x = (motion->x - mx) / vc->gfx.scale_x;
767     y = (motion->y - my) / vc->gfx.scale_y;
768 
769     if (qemu_input_is_absolute()) {
770         if (x < 0 || y < 0 ||
771             x >= surface_width(vc->gfx.ds) ||
772             y >= surface_height(vc->gfx.ds)) {
773             return TRUE;
774         }
775         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
776                              surface_width(vc->gfx.ds));
777         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
778                              surface_height(vc->gfx.ds));
779         qemu_input_event_sync();
780     } else if (s->last_set && s->ptr_owner == vc) {
781         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
782         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
783         qemu_input_event_sync();
784     }
785     s->last_x = x;
786     s->last_y = y;
787     s->last_set = TRUE;
788 
789     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
790         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
791         int x = (int)motion->x_root;
792         int y = (int)motion->y_root;
793 
794         /* In relative mode check to see if client pointer hit
795          * one of the screen edges, and if so move it back by
796          * 200 pixels. This is important because the pointer
797          * in the server doesn't correspond 1-for-1, and so
798          * may still be only half way across the screen. Without
799          * this warp, the server pointer would thus appear to hit
800          * an invisible wall */
801         if (x == 0) {
802             x += 200;
803         }
804         if (y == 0) {
805             y += 200;
806         }
807         if (x == (gdk_screen_get_width(screen) - 1)) {
808             x -= 200;
809         }
810         if (y == (gdk_screen_get_height(screen) - 1)) {
811             y -= 200;
812         }
813 
814         if (x != (int)motion->x_root || y != (int)motion->y_root) {
815 #if GTK_CHECK_VERSION(3, 0, 0)
816             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
817             gdk_device_warp(dev, screen, x, y);
818 #else
819             GdkDisplay *display = gtk_widget_get_display(widget);
820             gdk_display_warp_pointer(display, screen, x, y);
821 #endif
822             s->last_set = FALSE;
823             return FALSE;
824         }
825     }
826     return TRUE;
827 }
828 
829 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
830                                 void *opaque)
831 {
832     VirtualConsole *vc = opaque;
833     GtkDisplayState *s = vc->s;
834     InputButton btn;
835 
836     /* implicitly grab the input at the first click in the relative mode */
837     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
838         !qemu_input_is_absolute() && s->ptr_owner != vc) {
839         gd_ungrab_pointer(s);
840         if (!vc->window) {
841             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
842                                            TRUE);
843         } else {
844             gd_grab_pointer(vc);
845             gd_update_caption(s);
846         }
847         return TRUE;
848     }
849 
850     if (button->button == 1) {
851         btn = INPUT_BUTTON_LEFT;
852     } else if (button->button == 2) {
853         btn = INPUT_BUTTON_MIDDLE;
854     } else if (button->button == 3) {
855         btn = INPUT_BUTTON_RIGHT;
856     } else {
857         return TRUE;
858     }
859 
860     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
861                          button->type == GDK_BUTTON_PRESS);
862     qemu_input_event_sync();
863     return TRUE;
864 }
865 
866 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
867                                 void *opaque)
868 {
869     VirtualConsole *vc = opaque;
870     InputButton btn;
871 
872     if (scroll->direction == GDK_SCROLL_UP) {
873         btn = INPUT_BUTTON_WHEEL_UP;
874     } else if (scroll->direction == GDK_SCROLL_DOWN) {
875         btn = INPUT_BUTTON_WHEEL_DOWN;
876     } else {
877         return TRUE;
878     }
879 
880     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
881     qemu_input_event_sync();
882     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
883     qemu_input_event_sync();
884     return TRUE;
885 }
886 
887 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
888 {
889     int qemu_keycode;
890 
891 #ifdef GDK_WINDOWING_WIN32
892     if (GDK_IS_WIN32_DISPLAY(dpy)) {
893         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
894         switch (qemu_keycode) {
895         case 103:   /* alt gr */
896             qemu_keycode = 56 | SCANCODE_GREY;
897             break;
898         }
899         return qemu_keycode;
900     }
901 #endif
902 
903     if (gdk_keycode < 9) {
904         qemu_keycode = 0;
905     } else if (gdk_keycode < 97) {
906         qemu_keycode = gdk_keycode - 8;
907 #ifdef GDK_WINDOWING_X11
908     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
909         if (s->has_evdev) {
910             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
911         } else {
912             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
913         }
914 #endif
915     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
916         qemu_keycode = 0x70;
917     } else if (gdk_keycode == 211) { /* backslash */
918         qemu_keycode = 0x73;
919     } else {
920         qemu_keycode = 0;
921     }
922 
923     return qemu_keycode;
924 }
925 
926 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
927 {
928     VirtualConsole *vc = opaque;
929     GtkDisplayState *s = vc->s;
930     int gdk_keycode = key->hardware_keycode;
931     int qemu_keycode;
932     int i;
933 
934     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
935                                   gdk_keycode);
936 
937     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
938                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
939 
940     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
941         if (qemu_keycode == modifier_keycode[i]) {
942             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
943         }
944     }
945 
946     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
947                                      key->type == GDK_KEY_PRESS);
948 
949     return TRUE;
950 }
951 
952 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
953 {
954     if (event->type == GDK_MOTION_NOTIFY) {
955         return gd_motion_event(widget, &event->motion, opaque);
956     }
957     return FALSE;
958 }
959 
960 /** Window Menu Actions **/
961 
962 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
963 {
964     GtkDisplayState *s = opaque;
965 
966     if (s->external_pause_update) {
967         return;
968     }
969     if (runstate_is_running()) {
970         qmp_stop(NULL);
971     } else {
972         qmp_cont(NULL);
973     }
974 }
975 
976 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
977 {
978     qmp_system_reset(NULL);
979 }
980 
981 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
982 {
983     qmp_system_powerdown(NULL);
984 }
985 
986 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
987 {
988     qmp_quit(NULL);
989 }
990 
991 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
992 {
993     GtkDisplayState *s = opaque;
994     VirtualConsole *vc = gd_vc_find_by_menu(s);
995     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
996     GtkWidget *child;
997     gint page;
998 
999     gtk_release_modifiers(s);
1000     if (vc) {
1001         page = gtk_notebook_page_num(nb, vc->tab_item);
1002         gtk_notebook_set_current_page(nb, page);
1003         child = gtk_notebook_get_nth_page(nb, page);
1004         gtk_widget_grab_focus(child);
1005     }
1006 }
1007 
1008 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1009 {
1010     GtkDisplayState *s = opaque;
1011     VirtualConsole *vc = gd_vc_find_current(s);
1012 
1013     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1014         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1015     } else {
1016         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1017     }
1018     gd_update_windowsize(vc);
1019 }
1020 
1021 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1022                                     void *opaque)
1023 {
1024     VirtualConsole *vc = opaque;
1025     GtkDisplayState *s = vc->s;
1026 
1027     gtk_widget_set_sensitive(vc->menu_item, true);
1028     gtk_widget_reparent(vc->tab_item, s->notebook);
1029     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1030                                     vc->tab_item, vc->label);
1031     gtk_widget_destroy(vc->window);
1032     vc->window = NULL;
1033     return TRUE;
1034 }
1035 
1036 static gboolean gd_win_grab(void *opaque)
1037 {
1038     VirtualConsole *vc = opaque;
1039 
1040     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1041     if (vc->s->ptr_owner) {
1042         gd_ungrab_pointer(vc->s);
1043     } else {
1044         gd_grab_pointer(vc);
1045     }
1046     gd_update_caption(vc->s);
1047     return TRUE;
1048 }
1049 
1050 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1051 {
1052     GtkDisplayState *s = opaque;
1053     VirtualConsole *vc = gd_vc_find_current(s);
1054 
1055     if (vc->type == GD_VC_GFX) {
1056         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1057                                        FALSE);
1058     }
1059     if (!vc->window) {
1060         gtk_widget_set_sensitive(vc->menu_item, false);
1061         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1062         gtk_widget_reparent(vc->tab_item, vc->window);
1063 
1064         g_signal_connect(vc->window, "delete-event",
1065                          G_CALLBACK(gd_tab_window_close), vc);
1066         gtk_widget_show_all(vc->window);
1067 
1068         GtkAccelGroup *ag = gtk_accel_group_new();
1069         gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1070 
1071         GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab), vc, NULL);
1072         gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1073 
1074         gd_update_geometry_hints(vc);
1075         gd_update_caption(s);
1076     }
1077 }
1078 
1079 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1080 {
1081     GtkDisplayState *s = opaque;
1082     VirtualConsole *vc = gd_vc_find_current(s);
1083 
1084     if (!s->full_screen) {
1085         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1086         gtk_widget_set_size_request(s->menu_bar, 0, 0);
1087         if (vc->type == GD_VC_GFX) {
1088             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1089             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1090                                            TRUE);
1091         }
1092         gtk_window_fullscreen(GTK_WINDOW(s->window));
1093         s->full_screen = TRUE;
1094     } else {
1095         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1096         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1097         gtk_widget_set_size_request(s->menu_bar, -1, -1);
1098         s->full_screen = FALSE;
1099         if (vc->type == GD_VC_GFX) {
1100             vc->gfx.scale_x = 1.0;
1101             vc->gfx.scale_y = 1.0;
1102             gd_update_windowsize(vc);
1103             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1104                                            FALSE);
1105         }
1106     }
1107 
1108     gd_update_cursor(vc);
1109 }
1110 
1111 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1112 {
1113     GtkDisplayState *s = opaque;
1114     VirtualConsole *vc = gd_vc_find_current(s);
1115 
1116     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1117                                    FALSE);
1118 
1119     vc->gfx.scale_x += VC_SCALE_STEP;
1120     vc->gfx.scale_y += VC_SCALE_STEP;
1121 
1122     gd_update_windowsize(vc);
1123 }
1124 
1125 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1126 {
1127     GtkDisplayState *s = opaque;
1128     VirtualConsole *vc = gd_vc_find_current(s);
1129 
1130     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1131                                    FALSE);
1132 
1133     vc->gfx.scale_x -= VC_SCALE_STEP;
1134     vc->gfx.scale_y -= VC_SCALE_STEP;
1135 
1136     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1137     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1138 
1139     gd_update_windowsize(vc);
1140 }
1141 
1142 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1143 {
1144     GtkDisplayState *s = opaque;
1145     VirtualConsole *vc = gd_vc_find_current(s);
1146 
1147     vc->gfx.scale_x = 1.0;
1148     vc->gfx.scale_y = 1.0;
1149 
1150     gd_update_windowsize(vc);
1151 }
1152 
1153 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1154 {
1155     GtkDisplayState *s = opaque;
1156     VirtualConsole *vc = gd_vc_find_current(s);
1157 
1158     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1159         s->free_scale = TRUE;
1160     } else {
1161         s->free_scale = FALSE;
1162         vc->gfx.scale_x = 1.0;
1163         vc->gfx.scale_y = 1.0;
1164     }
1165 
1166     gd_update_windowsize(vc);
1167     gd_update_full_redraw(vc);
1168 }
1169 
1170 #if GTK_CHECK_VERSION(3, 0, 0)
1171 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1172                             GdkInputSource source, GdkEventMask mask,
1173                             GdkCursor *cursor)
1174 {
1175     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1176     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1177     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1178     GList *tmp = devs;
1179 
1180     for (tmp = devs; tmp; tmp = tmp->next) {
1181         GdkDevice *dev = tmp->data;
1182         if (gdk_device_get_source(dev) != source) {
1183             continue;
1184         }
1185         if (grab) {
1186             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1187             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1188                             mask, cursor, GDK_CURRENT_TIME);
1189         } else {
1190             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1191         }
1192     }
1193     g_list_free(devs);
1194 }
1195 #endif
1196 
1197 static void gd_grab_keyboard(VirtualConsole *vc)
1198 {
1199 #if GTK_CHECK_VERSION(3, 0, 0)
1200     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1201                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1202                    NULL);
1203 #else
1204     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1205                       FALSE,
1206                       GDK_CURRENT_TIME);
1207 #endif
1208     vc->s->kbd_owner = vc;
1209     trace_gd_grab(vc->label, "kbd", true);
1210 }
1211 
1212 static void gd_ungrab_keyboard(GtkDisplayState *s)
1213 {
1214     VirtualConsole *vc = s->kbd_owner;
1215 
1216     if (vc == NULL) {
1217         return;
1218     }
1219     s->kbd_owner = NULL;
1220 
1221 #if GTK_CHECK_VERSION(3, 0, 0)
1222     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1223 #else
1224     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1225 #endif
1226     trace_gd_grab(vc->label, "kbd", false);
1227 }
1228 
1229 static void gd_grab_pointer(VirtualConsole *vc)
1230 {
1231     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1232 #if GTK_CHECK_VERSION(3, 0, 0)
1233     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1234     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1235                     GDK_POINTER_MOTION_MASK |
1236                     GDK_BUTTON_PRESS_MASK |
1237                     GDK_BUTTON_RELEASE_MASK |
1238                     GDK_BUTTON_MOTION_MASK |
1239                     GDK_SCROLL_MASK,
1240                     vc->s->null_cursor);
1241     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1242                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1243 #else
1244     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1245                      FALSE, /* All events to come to our window directly */
1246                      GDK_POINTER_MOTION_MASK |
1247                      GDK_BUTTON_PRESS_MASK |
1248                      GDK_BUTTON_RELEASE_MASK |
1249                      GDK_BUTTON_MOTION_MASK |
1250                      GDK_SCROLL_MASK,
1251                      NULL, /* Allow cursor to move over entire desktop */
1252                      vc->s->null_cursor,
1253                      GDK_CURRENT_TIME);
1254     gdk_display_get_pointer(display, NULL,
1255                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1256 #endif
1257     vc->s->ptr_owner = vc;
1258     trace_gd_grab(vc->label, "ptr", true);
1259 }
1260 
1261 static void gd_ungrab_pointer(GtkDisplayState *s)
1262 {
1263     VirtualConsole *vc = s->ptr_owner;
1264 
1265     if (vc == NULL) {
1266         return;
1267     }
1268     s->ptr_owner = NULL;
1269 
1270     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1271 #if GTK_CHECK_VERSION(3, 0, 0)
1272     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1273     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1274     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1275                     gtk_widget_get_screen(vc->gfx.drawing_area),
1276                     vc->s->grab_x_root, vc->s->grab_y_root);
1277 #else
1278     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1279     gdk_display_warp_pointer(display,
1280                              gtk_widget_get_screen(vc->gfx.drawing_area),
1281                              vc->s->grab_x_root, vc->s->grab_y_root);
1282 #endif
1283     trace_gd_grab(vc->label, "ptr", false);
1284 }
1285 
1286 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1287 {
1288     GtkDisplayState *s = opaque;
1289     VirtualConsole *vc = gd_vc_find_current(s);
1290 
1291     if (gd_is_grab_active(s)) {
1292         if (!gd_grab_on_hover(s)) {
1293             gd_grab_keyboard(vc);
1294         }
1295         gd_grab_pointer(vc);
1296     } else {
1297         gd_ungrab_keyboard(s);
1298         gd_ungrab_pointer(s);
1299     }
1300 
1301     gd_update_caption(s);
1302     gd_update_cursor(vc);
1303 }
1304 
1305 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1306                            gpointer data)
1307 {
1308     GtkDisplayState *s = data;
1309     VirtualConsole *vc;
1310     gboolean on_vga;
1311 
1312     if (!gtk_widget_get_realized(s->notebook)) {
1313         return;
1314     }
1315 
1316 #ifdef VTE_RESIZE_HACK
1317     vc = gd_vc_find_current(s);
1318     if (vc && vc->type == GD_VC_VTE) {
1319         gtk_widget_hide(vc->vte.terminal);
1320     }
1321 #endif
1322     vc = gd_vc_find_by_page(s, arg2);
1323     if (!vc) {
1324         return;
1325     }
1326 #ifdef VTE_RESIZE_HACK
1327     if (vc->type == GD_VC_VTE) {
1328         gtk_widget_show(vc->vte.terminal);
1329     }
1330 #endif
1331     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1332                                    TRUE);
1333     on_vga = (vc->type == GD_VC_GFX);
1334     if (!on_vga) {
1335         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1336                                        FALSE);
1337     } else if (s->full_screen) {
1338         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1339                                        TRUE);
1340     }
1341     gtk_widget_set_sensitive(s->grab_item, on_vga);
1342 
1343     gd_update_windowsize(vc);
1344     gd_update_cursor(vc);
1345 }
1346 
1347 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1348                                gpointer opaque)
1349 {
1350     VirtualConsole *vc = opaque;
1351     GtkDisplayState *s = vc->s;
1352 
1353     if (gd_grab_on_hover(s)) {
1354         gd_ungrab_keyboard(s);
1355         gd_grab_keyboard(vc);
1356         gd_update_caption(s);
1357     }
1358     return TRUE;
1359 }
1360 
1361 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1362                                gpointer opaque)
1363 {
1364     VirtualConsole *vc = opaque;
1365     GtkDisplayState *s = vc->s;
1366 
1367     if (gd_grab_on_hover(s)) {
1368         gd_ungrab_keyboard(s);
1369         gd_update_caption(s);
1370     }
1371     return TRUE;
1372 }
1373 
1374 static gboolean gd_focus_out_event(GtkWidget *widget,
1375                                    GdkEventCrossing *crossing, gpointer opaque)
1376 {
1377     VirtualConsole *vc = opaque;
1378     GtkDisplayState *s = vc->s;
1379 
1380     gtk_release_modifiers(s);
1381     return TRUE;
1382 }
1383 
1384 /** Virtual Console Callbacks **/
1385 
1386 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1387                                int idx, GSList *group, GtkWidget *view_menu)
1388 {
1389     char path[32];
1390 
1391     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", idx);
1392 
1393     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1394     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1395     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1396     gtk_accel_map_add_entry(path, GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1397 
1398     g_signal_connect(vc->menu_item, "activate",
1399                      G_CALLBACK(gd_menu_switch_vc), s);
1400     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1401 
1402     return group;
1403 }
1404 
1405 #if defined(CONFIG_VTE)
1406 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1407 {
1408     VirtualConsole *vc = opaque;
1409 
1410     if (gtk_adjustment_get_upper(adjustment) >
1411         gtk_adjustment_get_page_size(adjustment)) {
1412         gtk_widget_show(vc->vte.scrollbar);
1413     } else {
1414         gtk_widget_hide(vc->vte.scrollbar);
1415     }
1416 }
1417 
1418 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1419 {
1420     VirtualConsole *vc = chr->opaque;
1421 
1422     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1423     return len;
1424 }
1425 
1426 static int nb_vcs;
1427 static CharDriverState *vcs[MAX_VCS];
1428 
1429 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1430 {
1431     CharDriverState *chr;
1432 
1433     chr = g_malloc0(sizeof(*chr));
1434     chr->chr_write = gd_vc_chr_write;
1435     /* defer OPENED events until our vc is fully initialized */
1436     chr->explicit_be_open = true;
1437 
1438     vcs[nb_vcs++] = chr;
1439 
1440     return chr;
1441 }
1442 
1443 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1444                          gpointer user_data)
1445 {
1446     VirtualConsole *vc = user_data;
1447 
1448     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1449     return TRUE;
1450 }
1451 
1452 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1453                               CharDriverState *chr, int idx,
1454                               GSList *group, GtkWidget *view_menu)
1455 {
1456     char buffer[32];
1457     GtkWidget *box;
1458     GtkWidget *scrollbar;
1459     GtkAdjustment *vadjustment;
1460 
1461     vc->s = s;
1462     vc->vte.chr = chr;
1463 
1464     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1465     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1466                                 ? vc->vte.chr->label : buffer);
1467     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1468 
1469     vc->vte.terminal = vte_terminal_new();
1470     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1471 
1472     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1473     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1474                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1475 
1476 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1477     vadjustment = gtk_scrollable_get_vadjustment
1478         (GTK_SCROLLABLE(vc->vte.terminal));
1479 #else
1480     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1481 #endif
1482 
1483 #if GTK_CHECK_VERSION(3, 0, 0)
1484     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1485     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1486 #else
1487     box = gtk_hbox_new(false, 2);
1488     scrollbar = gtk_vscrollbar_new(vadjustment);
1489 #endif
1490 
1491     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1492     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1493 
1494     vc->vte.chr->opaque = vc;
1495     vc->vte.box = box;
1496     vc->vte.scrollbar = scrollbar;
1497 
1498     g_signal_connect(vadjustment, "changed",
1499                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1500 
1501     vc->type = GD_VC_VTE;
1502     vc->tab_item = box;
1503     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1504                              gtk_label_new(vc->label));
1505 
1506     qemu_chr_be_generic_open(vc->vte.chr);
1507     if (vc->vte.chr->init) {
1508         vc->vte.chr->init(vc->vte.chr);
1509     }
1510 
1511     return group;
1512 }
1513 
1514 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1515                         GtkWidget *view_menu)
1516 {
1517     int i;
1518 
1519     for (i = 0; i < nb_vcs; i++) {
1520         VirtualConsole *vc = &s->vc[s->nb_vcs];
1521         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1522         s->nb_vcs++;
1523     }
1524 }
1525 #endif /* CONFIG_VTE */
1526 
1527 /** Window Creation **/
1528 
1529 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1530 {
1531 #if GTK_CHECK_VERSION(3, 0, 0)
1532     g_signal_connect(vc->gfx.drawing_area, "draw",
1533                      G_CALLBACK(gd_draw_event), vc);
1534 #else
1535     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1536                      G_CALLBACK(gd_expose_event), vc);
1537 #endif
1538     g_signal_connect(vc->gfx.drawing_area, "event",
1539                      G_CALLBACK(gd_event), vc);
1540     g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1541                      G_CALLBACK(gd_button_event), vc);
1542     g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1543                      G_CALLBACK(gd_button_event), vc);
1544     g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1545                      G_CALLBACK(gd_scroll_event), vc);
1546     g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1547                      G_CALLBACK(gd_key_event), vc);
1548     g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1549                      G_CALLBACK(gd_key_event), vc);
1550 
1551     g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1552                      G_CALLBACK(gd_enter_event), vc);
1553     g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1554                      G_CALLBACK(gd_leave_event), vc);
1555     g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1556                      G_CALLBACK(gd_focus_out_event), vc);
1557 }
1558 
1559 static void gd_connect_signals(GtkDisplayState *s)
1560 {
1561     g_signal_connect(s->show_tabs_item, "activate",
1562                      G_CALLBACK(gd_menu_show_tabs), s);
1563     g_signal_connect(s->untabify_item, "activate",
1564                      G_CALLBACK(gd_menu_untabify), s);
1565 
1566     g_signal_connect(s->window, "delete-event",
1567                      G_CALLBACK(gd_window_close), s);
1568 
1569     g_signal_connect(s->pause_item, "activate",
1570                      G_CALLBACK(gd_menu_pause), s);
1571     g_signal_connect(s->reset_item, "activate",
1572                      G_CALLBACK(gd_menu_reset), s);
1573     g_signal_connect(s->powerdown_item, "activate",
1574                      G_CALLBACK(gd_menu_powerdown), s);
1575     g_signal_connect(s->quit_item, "activate",
1576                      G_CALLBACK(gd_menu_quit), s);
1577     g_signal_connect(s->full_screen_item, "activate",
1578                      G_CALLBACK(gd_menu_full_screen), s);
1579     g_signal_connect(s->zoom_in_item, "activate",
1580                      G_CALLBACK(gd_menu_zoom_in), s);
1581     g_signal_connect(s->zoom_out_item, "activate",
1582                      G_CALLBACK(gd_menu_zoom_out), s);
1583     g_signal_connect(s->zoom_fixed_item, "activate",
1584                      G_CALLBACK(gd_menu_zoom_fixed), s);
1585     g_signal_connect(s->zoom_fit_item, "activate",
1586                      G_CALLBACK(gd_menu_zoom_fit), s);
1587     g_signal_connect(s->grab_item, "activate",
1588                      G_CALLBACK(gd_menu_grab_input), s);
1589     g_signal_connect(s->notebook, "switch-page",
1590                      G_CALLBACK(gd_change_page), s);
1591 }
1592 
1593 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
1594 {
1595     GtkWidget *machine_menu;
1596     GtkWidget *separator;
1597 
1598     machine_menu = gtk_menu_new();
1599     gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
1600 
1601     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1602     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1603 
1604     separator = gtk_separator_menu_item_new();
1605     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1606 
1607     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1608     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1609 
1610     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1611     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1612 
1613     separator = gtk_separator_menu_item_new();
1614     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1615 
1616     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1617     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1618                                  "<QEMU>/Machine/Quit");
1619     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1620                             GDK_KEY_q, HOTKEY_MODIFIERS);
1621     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1622 
1623     return machine_menu;
1624 }
1625 
1626 static const DisplayChangeListenerOps dcl_ops = {
1627     .dpy_name          = "gtk",
1628     .dpy_gfx_update    = gd_update,
1629     .dpy_gfx_switch    = gd_switch,
1630     .dpy_refresh       = gd_refresh,
1631     .dpy_mouse_set     = gd_mouse_set,
1632     .dpy_cursor_define = gd_cursor_define,
1633 };
1634 
1635 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1636                               QemuConsole *con, int idx,
1637                               GSList *group, GtkWidget *view_menu)
1638 {
1639     Error *local_err = NULL;
1640     Object *obj;
1641 
1642     obj = object_property_get_link(OBJECT(con), "device", &local_err);
1643     if (obj) {
1644         vc->label = g_strdup_printf("%s", object_get_typename(obj));
1645     } else {
1646         vc->label = g_strdup_printf("VGA");
1647     }
1648 
1649     vc->s = s;
1650     vc->gfx.scale_x = 1.0;
1651     vc->gfx.scale_y = 1.0;
1652 
1653     vc->gfx.drawing_area = gtk_drawing_area_new();
1654     gtk_widget_add_events(vc->gfx.drawing_area,
1655                           GDK_POINTER_MOTION_MASK |
1656                           GDK_BUTTON_PRESS_MASK |
1657                           GDK_BUTTON_RELEASE_MASK |
1658                           GDK_BUTTON_MOTION_MASK |
1659                           GDK_ENTER_NOTIFY_MASK |
1660                           GDK_LEAVE_NOTIFY_MASK |
1661                           GDK_SCROLL_MASK |
1662                           GDK_KEY_PRESS_MASK);
1663     gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1664     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1665 
1666     vc->type = GD_VC_GFX;
1667     vc->tab_item = vc->gfx.drawing_area;
1668     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1669                              vc->tab_item, gtk_label_new(vc->label));
1670     gd_connect_vc_gfx_signals(vc);
1671 
1672     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1673 
1674     vc->gfx.dcl.ops = &dcl_ops;
1675     vc->gfx.dcl.con = con;
1676     register_displaychangelistener(&vc->gfx.dcl);
1677 
1678     return group;
1679 }
1680 
1681 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
1682 {
1683     GSList *group = NULL;
1684     GtkWidget *view_menu;
1685     GtkWidget *separator;
1686     QemuConsole *con;
1687     int vc;
1688 
1689     view_menu = gtk_menu_new();
1690     gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
1691 
1692     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1693     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1694                                  "<QEMU>/View/Full Screen");
1695     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
1696                             HOTKEY_MODIFIERS);
1697     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1698 
1699     separator = gtk_separator_menu_item_new();
1700     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1701 
1702     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1703     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1704                                  "<QEMU>/View/Zoom In");
1705     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1706                             HOTKEY_MODIFIERS);
1707     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1708 
1709     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1710     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1711                                  "<QEMU>/View/Zoom Out");
1712     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1713                             HOTKEY_MODIFIERS);
1714     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1715 
1716     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1717     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1718                                  "<QEMU>/View/Zoom Fixed");
1719     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1720                             HOTKEY_MODIFIERS);
1721     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1722 
1723     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1724     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1725 
1726     separator = gtk_separator_menu_item_new();
1727     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1728 
1729     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1730     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1731 
1732     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1733     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1734                                  "<QEMU>/View/Grab Input");
1735     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1736                             HOTKEY_MODIFIERS);
1737     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1738 
1739     separator = gtk_separator_menu_item_new();
1740     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1741 
1742     /* gfx */
1743     for (vc = 0;; vc++) {
1744         con = qemu_console_lookup_by_index(vc);
1745         if (!con || !qemu_console_is_graphic(con)) {
1746             break;
1747         }
1748         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1749                                vc, group, view_menu);
1750         s->nb_vcs++;
1751     }
1752 
1753 #if defined(CONFIG_VTE)
1754     /* vte */
1755     gd_vcs_init(s, group, view_menu);
1756 #endif
1757 
1758     separator = gtk_separator_menu_item_new();
1759     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1760 
1761     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1762     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1763 
1764     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1765     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1766 
1767     return view_menu;
1768 }
1769 
1770 static void gd_create_menus(GtkDisplayState *s)
1771 {
1772     GtkAccelGroup *accel_group;
1773 
1774     accel_group = gtk_accel_group_new();
1775     s->machine_menu = gd_create_menu_machine(s, accel_group);
1776     s->view_menu = gd_create_menu_view(s, accel_group);
1777 
1778     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1779     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1780                               s->machine_menu);
1781     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1782 
1783     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1784     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1785     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1786 
1787     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1788     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1789     s->accel_group = accel_group;
1790 }
1791 
1792 static void gd_set_keycode_type(GtkDisplayState *s)
1793 {
1794 #ifdef GDK_WINDOWING_X11
1795     GdkDisplay *display = gtk_widget_get_display(s->window);
1796     if (GDK_IS_X11_DISPLAY(display)) {
1797         Display *x11_display = gdk_x11_display_get_xdisplay(display);
1798         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
1799                                          XkbUseCoreKbd);
1800         char *keycodes = NULL;
1801 
1802         if (desc && desc->names) {
1803             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
1804         }
1805         if (keycodes == NULL) {
1806             fprintf(stderr, "could not lookup keycode name\n");
1807         } else if (strstart(keycodes, "evdev", NULL)) {
1808             s->has_evdev = true;
1809         } else if (!strstart(keycodes, "xfree86", NULL)) {
1810             fprintf(stderr, "unknown keycodes `%s', please report to "
1811                     "qemu-devel@nongnu.org\n", keycodes);
1812         }
1813     }
1814 #endif
1815 }
1816 
1817 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1818 {
1819     GtkDisplayState *s = g_malloc0(sizeof(*s));
1820     char *filename;
1821 
1822     gtk_init(NULL, NULL);
1823 
1824     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1825 #if GTK_CHECK_VERSION(3, 2, 0)
1826     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1827 #else
1828     s->vbox = gtk_vbox_new(FALSE, 0);
1829 #endif
1830     s->notebook = gtk_notebook_new();
1831     s->menu_bar = gtk_menu_bar_new();
1832 
1833     s->free_scale = FALSE;
1834 
1835     setlocale(LC_ALL, "");
1836     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1837     textdomain("qemu");
1838 
1839     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1840 
1841     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1842     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1843     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1844 
1845     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1846     if (filename) {
1847         GError *error = NULL;
1848         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1849         if (pixbuf) {
1850             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1851         } else {
1852             g_error_free(error);
1853         }
1854         g_free(filename);
1855     }
1856 
1857     gd_create_menus(s);
1858 
1859     gd_connect_signals(s);
1860 
1861     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1862     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1863 
1864     gd_update_caption(s);
1865 
1866     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1867     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1868 
1869     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1870 
1871     gtk_widget_show_all(s->window);
1872 
1873 #ifdef VTE_RESIZE_HACK
1874     {
1875         VirtualConsole *cur = gd_vc_find_current(s);
1876         int i;
1877 
1878         for (i = 0; i < s->nb_vcs; i++) {
1879             VirtualConsole *vc = &s->vc[i];
1880             if (vc && vc->type == GD_VC_VTE && vc != cur) {
1881                 gtk_widget_hide(vc->vte.terminal);
1882             }
1883         }
1884         gd_update_windowsize(cur);
1885     }
1886 #endif
1887 
1888     if (full_screen) {
1889         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1890     }
1891     if (grab_on_hover) {
1892         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1893     }
1894 
1895     gd_set_keycode_type(s);
1896 }
1897 
1898 void early_gtk_display_init(void)
1899 {
1900 #if defined(CONFIG_VTE)
1901     register_vc_handler(gd_vc_handler);
1902 #endif
1903 }
1904