xref: /openbmc/qemu/ui/gtk.c (revision edf64786)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
21  *
22  * Portions from gtk-vnc (originally licensed under the LGPL v2+):
23  *
24  * GTK VNC Widget
25  *
26  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
27  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
28  */
29 
30 #define GETTEXT_PACKAGE "qemu"
31 #define LOCALEDIR "po"
32 
33 #include "qemu/osdep.h"
34 #include "qapi/error.h"
35 #include "qapi/qapi-commands-control.h"
36 #include "qapi/qapi-commands-machine.h"
37 #include "qapi/qapi-commands-misc.h"
38 #include "qemu/cutils.h"
39 
40 #include "ui/console.h"
41 #include "ui/gtk.h"
42 #ifdef G_OS_WIN32
43 #include <gdk/gdkwin32.h>
44 #endif
45 #include "ui/win32-kbd-hook.h"
46 
47 #include <glib/gi18n.h>
48 #include <locale.h>
49 #if defined(CONFIG_VTE)
50 #include <vte/vte.h>
51 #endif
52 #include <math.h>
53 
54 #include "trace.h"
55 #include "qemu/cutils.h"
56 #include "ui/input.h"
57 #include "sysemu/runstate.h"
58 #include "sysemu/sysemu.h"
59 #include "keymaps.h"
60 #include "chardev/char.h"
61 #include "qom/object.h"
62 
63 #define MAX_VCS 10
64 #define VC_WINDOW_X_MIN  320
65 #define VC_WINDOW_Y_MIN  240
66 #define VC_TERM_X_MIN     80
67 #define VC_TERM_Y_MIN     25
68 #define VC_SCALE_MIN    0.25
69 #define VC_SCALE_STEP   0.25
70 
71 #ifdef GDK_WINDOWING_X11
72 #include "x_keymap.h"
73 
74 /* Gtk2 compat */
75 #ifndef GDK_IS_X11_DISPLAY
76 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
77 #endif
78 #endif
79 
80 
81 #ifdef GDK_WINDOWING_WAYLAND
82 /* Gtk2 compat */
83 #ifndef GDK_IS_WAYLAND_DISPLAY
84 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
85 #endif
86 #endif
87 
88 
89 #ifdef GDK_WINDOWING_WIN32
90 /* Gtk2 compat */
91 #ifndef GDK_IS_WIN32_DISPLAY
92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
93 #endif
94 #endif
95 
96 
97 #ifdef GDK_WINDOWING_BROADWAY
98 /* Gtk2 compat */
99 #ifndef GDK_IS_BROADWAY_DISPLAY
100 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
101 #endif
102 #endif
103 
104 
105 #ifdef GDK_WINDOWING_QUARTZ
106 /* Gtk2 compat */
107 #ifndef GDK_IS_QUARTZ_DISPLAY
108 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
109 #endif
110 #endif
111 
112 
113 #if !defined(CONFIG_VTE)
114 # define VTE_CHECK_VERSION(a, b, c) 0
115 #endif
116 
117 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
118 
119 static const guint16 *keycode_map;
120 static size_t keycode_maplen;
121 
122 struct GtkDisplayState {
123     GtkWidget *window;
124 
125     GtkWidget *menu_bar;
126 
127     GtkAccelGroup *accel_group;
128 
129     GtkWidget *machine_menu_item;
130     GtkWidget *machine_menu;
131     GtkWidget *pause_item;
132     GtkWidget *reset_item;
133     GtkWidget *powerdown_item;
134     GtkWidget *quit_item;
135 
136     GtkWidget *view_menu_item;
137     GtkWidget *view_menu;
138     GtkWidget *full_screen_item;
139     GtkWidget *copy_item;
140     GtkWidget *zoom_in_item;
141     GtkWidget *zoom_out_item;
142     GtkWidget *zoom_fixed_item;
143     GtkWidget *zoom_fit_item;
144     GtkWidget *grab_item;
145     GtkWidget *grab_on_hover_item;
146 
147     int nb_vcs;
148     VirtualConsole vc[MAX_VCS];
149 
150     GtkWidget *show_tabs_item;
151     GtkWidget *untabify_item;
152     GtkWidget *show_menubar_item;
153 
154     GtkWidget *vbox;
155     GtkWidget *notebook;
156     int button_mask;
157     gboolean last_set;
158     int last_x;
159     int last_y;
160     int grab_x_root;
161     int grab_y_root;
162     VirtualConsole *kbd_owner;
163     VirtualConsole *ptr_owner;
164 
165     gboolean full_screen;
166 
167     GdkCursor *null_cursor;
168     Notifier mouse_mode_notifier;
169     gboolean free_scale;
170 
171     bool external_pause_update;
172 
173     DisplayOptions *opts;
174 };
175 
176 struct VCChardev {
177     Chardev parent;
178     VirtualConsole *console;
179     bool echo;
180 };
181 typedef struct VCChardev VCChardev;
182 
183 #define TYPE_CHARDEV_VC "chardev-vc"
184 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
185                          TYPE_CHARDEV_VC)
186 
187 bool gtk_use_gl_area;
188 
189 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
190 static void gd_ungrab_pointer(GtkDisplayState *s);
191 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
192 static void gd_ungrab_keyboard(GtkDisplayState *s);
193 
194 /** Utility Functions **/
195 
196 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
197 {
198     VirtualConsole *vc;
199     gint i;
200 
201     for (i = 0; i < s->nb_vcs; i++) {
202         vc = &s->vc[i];
203         if (gtk_check_menu_item_get_active
204             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
205             return vc;
206         }
207     }
208     return NULL;
209 }
210 
211 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
212 {
213     VirtualConsole *vc;
214     gint i, p;
215 
216     for (i = 0; i < s->nb_vcs; i++) {
217         vc = &s->vc[i];
218         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
219         if (p == page) {
220             return vc;
221         }
222     }
223     return NULL;
224 }
225 
226 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
227 {
228     gint page;
229 
230     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
231     return gd_vc_find_by_page(s, page);
232 }
233 
234 static bool gd_is_grab_active(GtkDisplayState *s)
235 {
236     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
237 }
238 
239 static bool gd_grab_on_hover(GtkDisplayState *s)
240 {
241     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
242 }
243 
244 static void gd_update_cursor(VirtualConsole *vc)
245 {
246     GtkDisplayState *s = vc->s;
247     GdkWindow *window;
248 
249     if (vc->type != GD_VC_GFX ||
250         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
251         return;
252     }
253 
254     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
255         return;
256     }
257 
258     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
259     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
260         gdk_window_set_cursor(window, s->null_cursor);
261     } else {
262         gdk_window_set_cursor(window, NULL);
263     }
264 }
265 
266 static void gd_update_caption(GtkDisplayState *s)
267 {
268     const char *status = "";
269     gchar *prefix;
270     gchar *title;
271     const char *grab = "";
272     bool is_paused = !runstate_is_running();
273     int i;
274 
275     if (qemu_name) {
276         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
277     } else {
278         prefix = g_strdup_printf("QEMU");
279     }
280 
281     if (s->ptr_owner != NULL &&
282         s->ptr_owner->window == NULL) {
283         grab = _(" - Press Ctrl+Alt+G to release grab");
284     }
285 
286     if (is_paused) {
287         status = _(" [Paused]");
288     }
289     s->external_pause_update = true;
290     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
291                                    is_paused);
292     s->external_pause_update = false;
293 
294     title = g_strdup_printf("%s%s%s", prefix, status, grab);
295     gtk_window_set_title(GTK_WINDOW(s->window), title);
296     g_free(title);
297 
298     for (i = 0; i < s->nb_vcs; i++) {
299         VirtualConsole *vc = &s->vc[i];
300 
301         if (!vc->window) {
302             continue;
303         }
304         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
305                                 vc == s->kbd_owner ? " +kbd" : "",
306                                 vc == s->ptr_owner ? " +ptr" : "");
307         gtk_window_set_title(GTK_WINDOW(vc->window), title);
308         g_free(title);
309     }
310 
311     g_free(prefix);
312 }
313 
314 static void gd_update_geometry_hints(VirtualConsole *vc)
315 {
316     GtkDisplayState *s = vc->s;
317     GdkWindowHints mask = 0;
318     GdkGeometry geo = {};
319     GtkWidget *geo_widget = NULL;
320     GtkWindow *geo_window;
321 
322     if (vc->type == GD_VC_GFX) {
323         if (!vc->gfx.ds) {
324             return;
325         }
326         if (s->free_scale) {
327             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
328             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
329             mask |= GDK_HINT_MIN_SIZE;
330         } else {
331             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
332             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
333             mask |= GDK_HINT_MIN_SIZE;
334         }
335         geo_widget = vc->gfx.drawing_area;
336         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
337 
338 #if defined(CONFIG_VTE)
339     } else if (vc->type == GD_VC_VTE) {
340         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
341         GtkBorder padding = { 0 };
342 
343 #if VTE_CHECK_VERSION(0, 37, 0)
344         gtk_style_context_get_padding(
345                 gtk_widget_get_style_context(vc->vte.terminal),
346                 gtk_widget_get_state_flags(vc->vte.terminal),
347                 &padding);
348 #else
349         {
350             GtkBorder *ib = NULL;
351             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
352             if (ib) {
353                 padding = *ib;
354                 gtk_border_free(ib);
355             }
356         }
357 #endif
358 
359         geo.width_inc  = vte_terminal_get_char_width(term);
360         geo.height_inc = vte_terminal_get_char_height(term);
361         mask |= GDK_HINT_RESIZE_INC;
362         geo.base_width  = geo.width_inc;
363         geo.base_height = geo.height_inc;
364         mask |= GDK_HINT_BASE_SIZE;
365         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
366         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
367         mask |= GDK_HINT_MIN_SIZE;
368 
369         geo.base_width  += padding.left + padding.right;
370         geo.base_height += padding.top + padding.bottom;
371         geo.min_width   += padding.left + padding.right;
372         geo.min_height  += padding.top + padding.bottom;
373         geo_widget = vc->vte.terminal;
374 #endif
375     }
376 
377     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
378     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
379 }
380 
381 void gd_update_windowsize(VirtualConsole *vc)
382 {
383     GtkDisplayState *s = vc->s;
384 
385     gd_update_geometry_hints(vc);
386 
387     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
388         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
389                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
390     }
391 }
392 
393 static void gd_update_full_redraw(VirtualConsole *vc)
394 {
395     GtkWidget *area = vc->gfx.drawing_area;
396     int ww, wh;
397     ww = gdk_window_get_width(gtk_widget_get_window(area));
398     wh = gdk_window_get_height(gtk_widget_get_window(area));
399 #if defined(CONFIG_OPENGL)
400     if (vc->gfx.gls && gtk_use_gl_area) {
401         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
402         return;
403     }
404 #endif
405     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
406 }
407 
408 static void gtk_release_modifiers(GtkDisplayState *s)
409 {
410     VirtualConsole *vc = gd_vc_find_current(s);
411 
412     if (vc->type != GD_VC_GFX ||
413         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
414         return;
415     }
416     qkbd_state_lift_all_keys(vc->gfx.kbd);
417 }
418 
419 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
420                                GtkWidget *widget)
421 {
422     g_object_ref(G_OBJECT(widget));
423     gtk_container_remove(GTK_CONTAINER(from), widget);
424     gtk_container_add(GTK_CONTAINER(to), widget);
425     g_object_unref(G_OBJECT(widget));
426 }
427 
428 static void *gd_win32_get_hwnd(VirtualConsole *vc)
429 {
430 #ifdef G_OS_WIN32
431     return gdk_win32_window_get_impl_hwnd(
432         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
433 #else
434     return NULL;
435 #endif
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     GdkWindow *win;
445     int x1, x2, y1, y2;
446     int mx, my;
447     int fbw, fbh;
448     int ww, wh;
449 
450     trace_gd_update(vc->label, x, y, w, h);
451 
452     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
453         return;
454     }
455 
456     if (vc->gfx.convert) {
457         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
458                                NULL, vc->gfx.convert,
459                                x, y, 0, 0, x, y, w, h);
460     }
461 
462     x1 = floor(x * vc->gfx.scale_x);
463     y1 = floor(y * vc->gfx.scale_y);
464 
465     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
466     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
467 
468     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
469     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
470 
471     win = gtk_widget_get_window(vc->gfx.drawing_area);
472     if (!win) {
473         return;
474     }
475     ww = gdk_window_get_width(win);
476     wh = gdk_window_get_height(win);
477 
478     mx = my = 0;
479     if (ww > fbw) {
480         mx = (ww - fbw) / 2;
481     }
482     if (wh > fbh) {
483         my = (wh - fbh) / 2;
484     }
485 
486     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
487                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
488 }
489 
490 static void gd_refresh(DisplayChangeListener *dcl)
491 {
492     graphic_hw_update(dcl->con);
493 }
494 
495 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
496 {
497     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
498 }
499 
500 static void gd_mouse_set(DisplayChangeListener *dcl,
501                          int x, int y, int visible)
502 {
503     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
504     GdkDisplay *dpy;
505     gint x_root, y_root;
506 
507     if (qemu_input_is_absolute()) {
508         return;
509     }
510 
511     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
512     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
513                                x, y, &x_root, &y_root);
514     gdk_device_warp(gd_get_pointer(dpy),
515                     gtk_widget_get_screen(vc->gfx.drawing_area),
516                     x_root, y_root);
517     vc->s->last_x = x;
518     vc->s->last_y = y;
519 }
520 
521 static void gd_cursor_define(DisplayChangeListener *dcl,
522                              QEMUCursor *c)
523 {
524     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
525     GdkPixbuf *pixbuf;
526     GdkCursor *cursor;
527 
528     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
529         return;
530     }
531 
532     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
533                                       GDK_COLORSPACE_RGB, true, 8,
534                                       c->width, c->height, c->width * 4,
535                                       NULL, NULL);
536     cursor = gdk_cursor_new_from_pixbuf
537         (gtk_widget_get_display(vc->gfx.drawing_area),
538          pixbuf, c->hot_x, c->hot_y);
539     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
540     g_object_unref(pixbuf);
541     g_object_unref(cursor);
542 }
543 
544 static void gd_switch(DisplayChangeListener *dcl,
545                       DisplaySurface *surface)
546 {
547     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
548     bool resized = true;
549 
550     trace_gd_switch(vc->label,
551                     surface ? surface_width(surface)  : 0,
552                     surface ? surface_height(surface) : 0);
553 
554     if (vc->gfx.surface) {
555         cairo_surface_destroy(vc->gfx.surface);
556         vc->gfx.surface = NULL;
557     }
558     if (vc->gfx.convert) {
559         pixman_image_unref(vc->gfx.convert);
560         vc->gfx.convert = NULL;
561     }
562 
563     if (vc->gfx.ds && surface &&
564         surface_width(vc->gfx.ds) == surface_width(surface) &&
565         surface_height(vc->gfx.ds) == surface_height(surface)) {
566         resized = false;
567     }
568     vc->gfx.ds = surface;
569 
570     if (!surface) {
571         return;
572     }
573 
574     if (surface->format == PIXMAN_x8r8g8b8) {
575         /*
576          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
577          *
578          * No need to convert, use surface directly.  Should be the
579          * common case as this is qemu_default_pixelformat(32) too.
580          */
581         vc->gfx.surface = cairo_image_surface_create_for_data
582             (surface_data(surface),
583              CAIRO_FORMAT_RGB24,
584              surface_width(surface),
585              surface_height(surface),
586              surface_stride(surface));
587     } else {
588         /* Must convert surface, use pixman to do it. */
589         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
590                                                    surface_width(surface),
591                                                    surface_height(surface),
592                                                    NULL, 0);
593         vc->gfx.surface = cairo_image_surface_create_for_data
594             ((void *)pixman_image_get_data(vc->gfx.convert),
595              CAIRO_FORMAT_RGB24,
596              pixman_image_get_width(vc->gfx.convert),
597              pixman_image_get_height(vc->gfx.convert),
598              pixman_image_get_stride(vc->gfx.convert));
599         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
600                                NULL, vc->gfx.convert,
601                                0, 0, 0, 0, 0, 0,
602                                pixman_image_get_width(vc->gfx.convert),
603                                pixman_image_get_height(vc->gfx.convert));
604     }
605 
606     if (resized) {
607         gd_update_windowsize(vc);
608     } else {
609         gd_update_full_redraw(vc);
610     }
611 }
612 
613 static const DisplayChangeListenerOps dcl_ops = {
614     .dpy_name             = "gtk",
615     .dpy_gfx_update       = gd_update,
616     .dpy_gfx_switch       = gd_switch,
617     .dpy_gfx_check_format = qemu_pixman_check_format,
618     .dpy_refresh          = gd_refresh,
619     .dpy_mouse_set        = gd_mouse_set,
620     .dpy_cursor_define    = gd_cursor_define,
621 };
622 
623 
624 #if defined(CONFIG_OPENGL)
625 
626 /** DisplayState Callbacks (opengl version) **/
627 
628 #if defined(CONFIG_OPENGL)
629 
630 static const DisplayChangeListenerOps dcl_gl_area_ops = {
631     .dpy_name             = "gtk-egl",
632     .dpy_gfx_update       = gd_gl_area_update,
633     .dpy_gfx_switch       = gd_gl_area_switch,
634     .dpy_gfx_check_format = console_gl_check_format,
635     .dpy_refresh          = gd_gl_area_refresh,
636     .dpy_mouse_set        = gd_mouse_set,
637     .dpy_cursor_define    = gd_cursor_define,
638 
639     .dpy_gl_ctx_create       = gd_gl_area_create_context,
640     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
641     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
642     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
643     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
644     .dpy_gl_update           = gd_gl_area_scanout_flush,
645 };
646 
647 #endif /* CONFIG_OPENGL */
648 
649 static const DisplayChangeListenerOps dcl_egl_ops = {
650     .dpy_name             = "gtk-egl",
651     .dpy_gfx_update       = gd_egl_update,
652     .dpy_gfx_switch       = gd_egl_switch,
653     .dpy_gfx_check_format = console_gl_check_format,
654     .dpy_refresh          = gd_egl_refresh,
655     .dpy_mouse_set        = gd_mouse_set,
656     .dpy_cursor_define    = gd_cursor_define,
657 
658     .dpy_gl_ctx_create       = gd_egl_create_context,
659     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
660     .dpy_gl_ctx_make_current = gd_egl_make_current,
661     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
662     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
663     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
664     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
665     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
666     .dpy_gl_cursor_position  = gd_egl_cursor_position,
667     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
668     .dpy_gl_update           = gd_egl_scanout_flush,
669 };
670 
671 #endif /* CONFIG_OPENGL */
672 
673 /** QEMU Events **/
674 
675 static void gd_change_runstate(void *opaque, int running, RunState state)
676 {
677     GtkDisplayState *s = opaque;
678 
679     gd_update_caption(s);
680 }
681 
682 static void gd_mouse_mode_change(Notifier *notify, void *data)
683 {
684     GtkDisplayState *s;
685     int i;
686 
687     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
688     /* release the grab at switching to absolute mode */
689     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
690         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
691                                        FALSE);
692     }
693     for (i = 0; i < s->nb_vcs; i++) {
694         VirtualConsole *vc = &s->vc[i];
695         gd_update_cursor(vc);
696     }
697 }
698 
699 /** GTK Events **/
700 
701 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
702                                 void *opaque)
703 {
704     GtkDisplayState *s = opaque;
705     bool allow_close = true;
706 
707     if (s->opts->has_window_close && !s->opts->window_close) {
708         allow_close = false;
709     }
710 
711     if (allow_close) {
712         qmp_quit(NULL);
713     }
714 
715     return TRUE;
716 }
717 
718 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
719 {
720     QemuUIInfo info;
721 
722     memset(&info, 0, sizeof(info));
723     info.width = width;
724     info.height = height;
725     dpy_set_ui_info(vc->gfx.dcl.con, &info);
726 }
727 
728 #if defined(CONFIG_OPENGL)
729 
730 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
731                                 void *opaque)
732 {
733     VirtualConsole *vc = opaque;
734 
735     if (vc->gfx.gls) {
736         gd_gl_area_draw(vc);
737     }
738     return TRUE;
739 }
740 
741 static void gd_resize_event(GtkGLArea *area,
742                             gint width, gint height, gpointer *opaque)
743 {
744     VirtualConsole *vc = (void *)opaque;
745 
746     gd_set_ui_info(vc, width, height);
747 }
748 
749 #endif
750 
751 /*
752  * If available, return the update interval of the monitor in ms,
753  * else return 0 (the default update interval).
754  */
755 int gd_monitor_update_interval(GtkWidget *widget)
756 {
757 #ifdef GDK_VERSION_3_22
758     GdkWindow *win = gtk_widget_get_window(widget);
759 
760     if (win) {
761         GdkDisplay *dpy = gtk_widget_get_display(widget);
762         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
763         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
764 
765         if (refresh_rate) {
766             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
767             return MIN(1000 * 1000 / refresh_rate,
768                        GUI_REFRESH_INTERVAL_DEFAULT);
769         }
770     }
771 #endif
772     return 0;
773 }
774 
775 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
776 {
777     VirtualConsole *vc = opaque;
778     GtkDisplayState *s = vc->s;
779     int mx, my;
780     int ww, wh;
781     int fbw, fbh;
782 
783 #if defined(CONFIG_OPENGL)
784     if (vc->gfx.gls) {
785         if (gtk_use_gl_area) {
786             /* invoke render callback please */
787             return FALSE;
788         } else {
789             gd_egl_draw(vc);
790             return TRUE;
791         }
792     }
793 #endif
794 
795     if (!gtk_widget_get_realized(widget)) {
796         return FALSE;
797     }
798     if (!vc->gfx.ds) {
799         return FALSE;
800     }
801 
802     vc->gfx.dcl.update_interval =
803         gd_monitor_update_interval(vc->window ? vc->window : s->window);
804 
805     fbw = surface_width(vc->gfx.ds);
806     fbh = surface_height(vc->gfx.ds);
807 
808     ww = gdk_window_get_width(gtk_widget_get_window(widget));
809     wh = gdk_window_get_height(gtk_widget_get_window(widget));
810 
811     if (s->full_screen) {
812         vc->gfx.scale_x = (double)ww / fbw;
813         vc->gfx.scale_y = (double)wh / fbh;
814     } else if (s->free_scale) {
815         double sx, sy;
816 
817         sx = (double)ww / fbw;
818         sy = (double)wh / fbh;
819 
820         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
821     }
822 
823     fbw *= vc->gfx.scale_x;
824     fbh *= vc->gfx.scale_y;
825 
826     mx = my = 0;
827     if (ww > fbw) {
828         mx = (ww - fbw) / 2;
829     }
830     if (wh > fbh) {
831         my = (wh - fbh) / 2;
832     }
833 
834     cairo_rectangle(cr, 0, 0, ww, wh);
835 
836     /* Optionally cut out the inner area where the pixmap
837        will be drawn. This avoids 'flashing' since we're
838        not double-buffering. Note we're using the undocumented
839        behaviour of drawing the rectangle from right to left
840        to cut out the whole */
841     cairo_rectangle(cr, mx + fbw, my,
842                     -1 * fbw, fbh);
843     cairo_fill(cr);
844 
845     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
846     cairo_set_source_surface(cr, vc->gfx.surface,
847                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
848     cairo_paint(cr);
849 
850     return TRUE;
851 }
852 
853 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
854                                 void *opaque)
855 {
856     VirtualConsole *vc = opaque;
857     GtkDisplayState *s = vc->s;
858     int x, y;
859     int mx, my;
860     int fbh, fbw;
861     int ww, wh;
862 
863     if (!vc->gfx.ds) {
864         return TRUE;
865     }
866 
867     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
868     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
869 
870     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
871     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
872 
873     mx = my = 0;
874     if (ww > fbw) {
875         mx = (ww - fbw) / 2;
876     }
877     if (wh > fbh) {
878         my = (wh - fbh) / 2;
879     }
880 
881     x = (motion->x - mx) / vc->gfx.scale_x;
882     y = (motion->y - my) / vc->gfx.scale_y;
883 
884     if (qemu_input_is_absolute()) {
885         if (x < 0 || y < 0 ||
886             x >= surface_width(vc->gfx.ds) ||
887             y >= surface_height(vc->gfx.ds)) {
888             return TRUE;
889         }
890         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
891                              0, surface_width(vc->gfx.ds));
892         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
893                              0, surface_height(vc->gfx.ds));
894         qemu_input_event_sync();
895     } else if (s->last_set && s->ptr_owner == vc) {
896         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
897         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
898         qemu_input_event_sync();
899     }
900     s->last_x = x;
901     s->last_y = y;
902     s->last_set = TRUE;
903 
904     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
905         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
906         GdkDisplay *dpy = gtk_widget_get_display(widget);
907         GdkWindow *win = gtk_widget_get_window(widget);
908         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
909         GdkRectangle geometry;
910         int screen_width, screen_height;
911 
912         int x = (int)motion->x_root;
913         int y = (int)motion->y_root;
914 
915         gdk_monitor_get_geometry(monitor, &geometry);
916         screen_width = geometry.width;
917         screen_height = geometry.height;
918 
919         /* In relative mode check to see if client pointer hit
920          * one of the screen edges, and if so move it back by
921          * 200 pixels. This is important because the pointer
922          * in the server doesn't correspond 1-for-1, and so
923          * may still be only half way across the screen. Without
924          * this warp, the server pointer would thus appear to hit
925          * an invisible wall */
926         if (x == 0) {
927             x += 200;
928         }
929         if (y == 0) {
930             y += 200;
931         }
932         if (x == (screen_width - 1)) {
933             x -= 200;
934         }
935         if (y == (screen_height - 1)) {
936             y -= 200;
937         }
938 
939         if (x != (int)motion->x_root || y != (int)motion->y_root) {
940             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
941             gdk_device_warp(dev, screen, x, y);
942             s->last_set = FALSE;
943             return FALSE;
944         }
945     }
946     return TRUE;
947 }
948 
949 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
950                                 void *opaque)
951 {
952     VirtualConsole *vc = opaque;
953     GtkDisplayState *s = vc->s;
954     InputButton btn;
955 
956     /* implicitly grab the input at the first click in the relative mode */
957     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
958         !qemu_input_is_absolute() && s->ptr_owner != vc) {
959         if (!vc->window) {
960             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
961                                            TRUE);
962         } else {
963             gd_grab_pointer(vc, "relative-mode-click");
964         }
965         return TRUE;
966     }
967 
968     if (button->button == 1) {
969         btn = INPUT_BUTTON_LEFT;
970     } else if (button->button == 2) {
971         btn = INPUT_BUTTON_MIDDLE;
972     } else if (button->button == 3) {
973         btn = INPUT_BUTTON_RIGHT;
974     } else if (button->button == 8) {
975         btn = INPUT_BUTTON_SIDE;
976     } else if (button->button == 9) {
977         btn = INPUT_BUTTON_EXTRA;
978     } else {
979         return TRUE;
980     }
981 
982     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
983                          button->type == GDK_BUTTON_PRESS);
984     qemu_input_event_sync();
985     return TRUE;
986 }
987 
988 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
989                                 void *opaque)
990 {
991     VirtualConsole *vc = opaque;
992     InputButton btn;
993 
994     if (scroll->direction == GDK_SCROLL_UP) {
995         btn = INPUT_BUTTON_WHEEL_UP;
996     } else if (scroll->direction == GDK_SCROLL_DOWN) {
997         btn = INPUT_BUTTON_WHEEL_DOWN;
998     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
999         gdouble delta_x, delta_y;
1000         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1001                                          &delta_x, &delta_y)) {
1002             return TRUE;
1003         }
1004         if (delta_y == 0) {
1005             return TRUE;
1006         } else if (delta_y > 0) {
1007             btn = INPUT_BUTTON_WHEEL_DOWN;
1008         } else {
1009             btn = INPUT_BUTTON_WHEEL_UP;
1010         }
1011     } else {
1012         return TRUE;
1013     }
1014 
1015     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1016     qemu_input_event_sync();
1017     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1018     qemu_input_event_sync();
1019     return TRUE;
1020 }
1021 
1022 
1023 static const guint16 *gd_get_keymap(size_t *maplen)
1024 {
1025     GdkDisplay *dpy = gdk_display_get_default();
1026 
1027 #ifdef GDK_WINDOWING_X11
1028     if (GDK_IS_X11_DISPLAY(dpy)) {
1029         trace_gd_keymap_windowing("x11");
1030         return qemu_xkeymap_mapping_table(
1031             gdk_x11_display_get_xdisplay(dpy), maplen);
1032     }
1033 #endif
1034 
1035 #ifdef GDK_WINDOWING_WAYLAND
1036     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1037         trace_gd_keymap_windowing("wayland");
1038         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1039         return qemu_input_map_xorgevdev_to_qcode;
1040     }
1041 #endif
1042 
1043 #ifdef GDK_WINDOWING_WIN32
1044     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1045         trace_gd_keymap_windowing("win32");
1046         *maplen = qemu_input_map_atset1_to_qcode_len;
1047         return qemu_input_map_atset1_to_qcode;
1048     }
1049 #endif
1050 
1051 #ifdef GDK_WINDOWING_QUARTZ
1052     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1053         trace_gd_keymap_windowing("quartz");
1054         *maplen = qemu_input_map_osx_to_qcode_len;
1055         return qemu_input_map_osx_to_qcode;
1056     }
1057 #endif
1058 
1059 #ifdef GDK_WINDOWING_BROADWAY
1060     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1061         trace_gd_keymap_windowing("broadway");
1062         g_warning("experimental: using broadway, x11 virtual keysym\n"
1063                   "mapping - with very limited support. See also\n"
1064                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1065         *maplen = qemu_input_map_x11_to_qcode_len;
1066         return qemu_input_map_x11_to_qcode;
1067     }
1068 #endif
1069 
1070     g_warning("Unsupported GDK Windowing platform.\n"
1071               "Disabling extended keycode tables.\n"
1072               "Please report to qemu-devel@nongnu.org\n"
1073               "including the following information:\n"
1074               "\n"
1075               "  - Operating system\n"
1076               "  - GDK Windowing system build\n");
1077     return NULL;
1078 }
1079 
1080 
1081 static int gd_map_keycode(int scancode)
1082 {
1083     if (!keycode_map) {
1084         return 0;
1085     }
1086     if (scancode > keycode_maplen) {
1087         return 0;
1088     }
1089 
1090     return keycode_map[scancode];
1091 }
1092 
1093 static int gd_get_keycode(GdkEventKey *key)
1094 {
1095 #ifdef G_OS_WIN32
1096     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1097 
1098     /* translate Windows native scancodes to atset1 keycodes */
1099     switch (scancode & (KF_EXTENDED | 0xff)) {
1100     case 0x145:     /* NUMLOCK */
1101         return scancode & 0xff;
1102     }
1103 
1104     return scancode & KF_EXTENDED ?
1105         0xe000 | (scancode & 0xff) : scancode & 0xff;
1106 
1107 #else
1108     return key->hardware_keycode;
1109 #endif
1110 }
1111 
1112 static gboolean gd_text_key_down(GtkWidget *widget,
1113                                  GdkEventKey *key, void *opaque)
1114 {
1115     VirtualConsole *vc = opaque;
1116     QemuConsole *con = vc->gfx.dcl.con;
1117 
1118     if (key->keyval == GDK_KEY_Delete) {
1119         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1120     } else if (key->length) {
1121         kbd_put_string_console(con, key->string, key->length);
1122     } else {
1123         int qcode = gd_map_keycode(gd_get_keycode(key));
1124         kbd_put_qcode_console(con, qcode, false);
1125     }
1126     return TRUE;
1127 }
1128 
1129 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1130 {
1131     VirtualConsole *vc = opaque;
1132     int keycode, qcode;
1133 
1134 #ifdef G_OS_WIN32
1135     /* on windows, we ought to ignore the reserved key event? */
1136     if (key->hardware_keycode == 0xff)
1137         return false;
1138 
1139     if (!vc->s->kbd_owner) {
1140         if (key->hardware_keycode == VK_LWIN ||
1141             key->hardware_keycode == VK_RWIN) {
1142             return FALSE;
1143         }
1144     }
1145 #endif
1146 
1147     if (key->keyval == GDK_KEY_Pause
1148 #ifdef G_OS_WIN32
1149         /* for some reason GDK does not fill keyval for VK_PAUSE
1150          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1151          */
1152         || key->hardware_keycode == VK_PAUSE
1153 #endif
1154         ) {
1155         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1156                              key->type == GDK_KEY_PRESS);
1157         return TRUE;
1158     }
1159 
1160     keycode = gd_get_keycode(key);
1161     qcode = gd_map_keycode(keycode);
1162 
1163     trace_gd_key_event(vc->label, keycode, qcode,
1164                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1165 
1166     qkbd_state_key_event(vc->gfx.kbd, qcode,
1167                          key->type == GDK_KEY_PRESS);
1168 
1169     return TRUE;
1170 }
1171 
1172 static gboolean gd_grab_broken_event(GtkWidget *widget,
1173                                      GdkEventGrabBroken *event, void *opaque)
1174 {
1175 #ifdef CONFIG_WIN32
1176     /*
1177      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1178      * key combination leaves all three keys in a stuck condition. We use
1179      * the grab-broken-event to release all keys.
1180      */
1181     if (event->keyboard) {
1182         VirtualConsole *vc = opaque;
1183         GtkDisplayState *s = vc->s;
1184 
1185         gtk_release_modifiers(s);
1186     }
1187 #endif
1188     return TRUE;
1189 }
1190 
1191 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1192 {
1193     if (event->type == GDK_MOTION_NOTIFY) {
1194         return gd_motion_event(widget, &event->motion, opaque);
1195     }
1196     return FALSE;
1197 }
1198 
1199 /** Window Menu Actions **/
1200 
1201 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1202 {
1203     GtkDisplayState *s = opaque;
1204 
1205     if (s->external_pause_update) {
1206         return;
1207     }
1208     if (runstate_is_running()) {
1209         qmp_stop(NULL);
1210     } else {
1211         qmp_cont(NULL);
1212     }
1213 }
1214 
1215 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1216 {
1217     qmp_system_reset(NULL);
1218 }
1219 
1220 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1221 {
1222     qmp_system_powerdown(NULL);
1223 }
1224 
1225 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1226 {
1227     qmp_quit(NULL);
1228 }
1229 
1230 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1231 {
1232     GtkDisplayState *s = opaque;
1233     VirtualConsole *vc = gd_vc_find_by_menu(s);
1234     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1235     gint page;
1236 
1237     gtk_release_modifiers(s);
1238     if (vc) {
1239         page = gtk_notebook_page_num(nb, vc->tab_item);
1240         gtk_notebook_set_current_page(nb, page);
1241         gtk_widget_grab_focus(vc->focus);
1242     }
1243 }
1244 
1245 static void gd_accel_switch_vc(void *opaque)
1246 {
1247     VirtualConsole *vc = opaque;
1248 
1249     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1250 }
1251 
1252 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1253 {
1254     GtkDisplayState *s = opaque;
1255     VirtualConsole *vc = gd_vc_find_current(s);
1256 
1257     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1258         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1259     } else {
1260         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1261     }
1262     gd_update_windowsize(vc);
1263 }
1264 
1265 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1266                                     void *opaque)
1267 {
1268     VirtualConsole *vc = opaque;
1269     GtkDisplayState *s = vc->s;
1270 
1271     gtk_widget_set_sensitive(vc->menu_item, true);
1272     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1273     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1274                                     vc->tab_item, vc->label);
1275     gtk_widget_destroy(vc->window);
1276     vc->window = NULL;
1277     return TRUE;
1278 }
1279 
1280 static gboolean gd_win_grab(void *opaque)
1281 {
1282     VirtualConsole *vc = opaque;
1283 
1284     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1285     if (vc->s->ptr_owner) {
1286         gd_ungrab_pointer(vc->s);
1287     } else {
1288         gd_grab_pointer(vc, "user-request-detached-tab");
1289     }
1290     return TRUE;
1291 }
1292 
1293 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1294 {
1295     GtkDisplayState *s = opaque;
1296     VirtualConsole *vc = gd_vc_find_current(s);
1297 
1298     if (vc->type == GD_VC_GFX &&
1299         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1300         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1301                                        FALSE);
1302     }
1303     if (!vc->window) {
1304         gtk_widget_set_sensitive(vc->menu_item, false);
1305         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1306         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1307 
1308         g_signal_connect(vc->window, "delete-event",
1309                          G_CALLBACK(gd_tab_window_close), vc);
1310         gtk_widget_show_all(vc->window);
1311 
1312         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1313             GtkAccelGroup *ag = gtk_accel_group_new();
1314             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1315 
1316             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1317                                                vc, NULL);
1318             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1319         }
1320 
1321         gd_update_geometry_hints(vc);
1322         gd_update_caption(s);
1323     }
1324 }
1325 
1326 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1327 {
1328     GtkDisplayState *s = opaque;
1329     VirtualConsole *vc = gd_vc_find_current(s);
1330 
1331     if (s->full_screen) {
1332         return;
1333     }
1334 
1335     if (gtk_check_menu_item_get_active(
1336                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1337         gtk_widget_show(s->menu_bar);
1338     } else {
1339         gtk_widget_hide(s->menu_bar);
1340     }
1341     gd_update_windowsize(vc);
1342 }
1343 
1344 static void gd_accel_show_menubar(void *opaque)
1345 {
1346     GtkDisplayState *s = opaque;
1347     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1348 }
1349 
1350 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1351 {
1352     GtkDisplayState *s = opaque;
1353     VirtualConsole *vc = gd_vc_find_current(s);
1354 
1355     if (!s->full_screen) {
1356         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1357         gtk_widget_hide(s->menu_bar);
1358         if (vc->type == GD_VC_GFX) {
1359             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1360         }
1361         gtk_window_fullscreen(GTK_WINDOW(s->window));
1362         s->full_screen = TRUE;
1363     } else {
1364         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1365         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1366         if (gtk_check_menu_item_get_active(
1367                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1368             gtk_widget_show(s->menu_bar);
1369         }
1370         s->full_screen = FALSE;
1371         if (vc->type == GD_VC_GFX) {
1372             vc->gfx.scale_x = 1.0;
1373             vc->gfx.scale_y = 1.0;
1374             gd_update_windowsize(vc);
1375         }
1376     }
1377 
1378     gd_update_cursor(vc);
1379 }
1380 
1381 static void gd_accel_full_screen(void *opaque)
1382 {
1383     GtkDisplayState *s = opaque;
1384     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1385 }
1386 
1387 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1388 {
1389     GtkDisplayState *s = opaque;
1390     VirtualConsole *vc = gd_vc_find_current(s);
1391 
1392     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1393                                    FALSE);
1394 
1395     vc->gfx.scale_x += VC_SCALE_STEP;
1396     vc->gfx.scale_y += VC_SCALE_STEP;
1397 
1398     gd_update_windowsize(vc);
1399 }
1400 
1401 static void gd_accel_zoom_in(void *opaque)
1402 {
1403     GtkDisplayState *s = opaque;
1404     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1405 }
1406 
1407 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1408 {
1409     GtkDisplayState *s = opaque;
1410     VirtualConsole *vc = gd_vc_find_current(s);
1411 
1412     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1413                                    FALSE);
1414 
1415     vc->gfx.scale_x -= VC_SCALE_STEP;
1416     vc->gfx.scale_y -= VC_SCALE_STEP;
1417 
1418     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1419     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1420 
1421     gd_update_windowsize(vc);
1422 }
1423 
1424 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1425 {
1426     GtkDisplayState *s = opaque;
1427     VirtualConsole *vc = gd_vc_find_current(s);
1428 
1429     vc->gfx.scale_x = 1.0;
1430     vc->gfx.scale_y = 1.0;
1431 
1432     gd_update_windowsize(vc);
1433 }
1434 
1435 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1436 {
1437     GtkDisplayState *s = opaque;
1438     VirtualConsole *vc = gd_vc_find_current(s);
1439 
1440     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1441         s->free_scale = TRUE;
1442     } else {
1443         s->free_scale = FALSE;
1444         vc->gfx.scale_x = 1.0;
1445         vc->gfx.scale_y = 1.0;
1446     }
1447 
1448     gd_update_windowsize(vc);
1449     gd_update_full_redraw(vc);
1450 }
1451 
1452 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1453 {
1454     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1455     GdkSeat *seat = gdk_display_get_default_seat(display);
1456     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1457     GdkSeatCapabilities caps = 0;
1458     GdkCursor *cursor = NULL;
1459 
1460     if (kbd) {
1461         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1462     }
1463     if (ptr) {
1464         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1465         cursor = vc->s->null_cursor;
1466     }
1467 
1468     if (caps) {
1469         gdk_seat_grab(seat, window, caps, false, cursor,
1470                       NULL, NULL, NULL);
1471     } else {
1472         gdk_seat_ungrab(seat);
1473     }
1474 }
1475 
1476 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1477 {
1478     if (vc->s->kbd_owner) {
1479         if (vc->s->kbd_owner == vc) {
1480             return;
1481         } else {
1482             gd_ungrab_keyboard(vc->s);
1483         }
1484     }
1485 
1486     win32_kbd_set_grab(true);
1487     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1488     vc->s->kbd_owner = vc;
1489     gd_update_caption(vc->s);
1490     trace_gd_grab(vc->label, "kbd", reason);
1491 }
1492 
1493 static void gd_ungrab_keyboard(GtkDisplayState *s)
1494 {
1495     VirtualConsole *vc = s->kbd_owner;
1496 
1497     if (vc == NULL) {
1498         return;
1499     }
1500     s->kbd_owner = NULL;
1501 
1502     win32_kbd_set_grab(false);
1503     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1504     gd_update_caption(s);
1505     trace_gd_ungrab(vc->label, "kbd");
1506 }
1507 
1508 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1509 {
1510     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1511 
1512     if (vc->s->ptr_owner) {
1513         if (vc->s->ptr_owner == vc) {
1514             return;
1515         } else {
1516             gd_ungrab_pointer(vc->s);
1517         }
1518     }
1519 
1520     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1521     gdk_device_get_position(gd_get_pointer(display),
1522                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1523     vc->s->ptr_owner = vc;
1524     gd_update_caption(vc->s);
1525     trace_gd_grab(vc->label, "ptr", reason);
1526 }
1527 
1528 static void gd_ungrab_pointer(GtkDisplayState *s)
1529 {
1530     VirtualConsole *vc = s->ptr_owner;
1531     GdkDisplay *display;
1532 
1533     if (vc == NULL) {
1534         return;
1535     }
1536     s->ptr_owner = NULL;
1537 
1538     display = gtk_widget_get_display(vc->gfx.drawing_area);
1539     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1540     gdk_device_warp(gd_get_pointer(display),
1541                     gtk_widget_get_screen(vc->gfx.drawing_area),
1542                     vc->s->grab_x_root, vc->s->grab_y_root);
1543     gd_update_caption(s);
1544     trace_gd_ungrab(vc->label, "ptr");
1545 }
1546 
1547 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1548 {
1549     GtkDisplayState *s = opaque;
1550     VirtualConsole *vc = gd_vc_find_current(s);
1551 
1552     if (gd_is_grab_active(s)) {
1553         gd_grab_keyboard(vc, "user-request-main-window");
1554         gd_grab_pointer(vc, "user-request-main-window");
1555     } else {
1556         gd_ungrab_keyboard(s);
1557         gd_ungrab_pointer(s);
1558     }
1559 
1560     gd_update_cursor(vc);
1561 }
1562 
1563 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1564                            gpointer data)
1565 {
1566     GtkDisplayState *s = data;
1567     VirtualConsole *vc;
1568     gboolean on_vga;
1569 
1570     if (!gtk_widget_get_realized(s->notebook)) {
1571         return;
1572     }
1573 
1574     vc = gd_vc_find_by_page(s, arg2);
1575     if (!vc) {
1576         return;
1577     }
1578     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1579                                    TRUE);
1580     on_vga = (vc->type == GD_VC_GFX &&
1581               qemu_console_is_graphic(vc->gfx.dcl.con));
1582     if (!on_vga) {
1583         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1584                                        FALSE);
1585     } else if (s->full_screen) {
1586         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1587                                        TRUE);
1588     }
1589     gtk_widget_set_sensitive(s->grab_item, on_vga);
1590 #ifdef CONFIG_VTE
1591     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1592 #endif
1593 
1594     gd_update_windowsize(vc);
1595     gd_update_cursor(vc);
1596 }
1597 
1598 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1599                                gpointer opaque)
1600 {
1601     VirtualConsole *vc = opaque;
1602     GtkDisplayState *s = vc->s;
1603 
1604     if (gd_grab_on_hover(s)) {
1605         gd_grab_keyboard(vc, "grab-on-hover");
1606     }
1607     return TRUE;
1608 }
1609 
1610 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1611                                gpointer opaque)
1612 {
1613     VirtualConsole *vc = opaque;
1614     GtkDisplayState *s = vc->s;
1615 
1616     if (gd_grab_on_hover(s)) {
1617         gd_ungrab_keyboard(s);
1618     }
1619     return TRUE;
1620 }
1621 
1622 static gboolean gd_focus_in_event(GtkWidget *widget,
1623                                   GdkEventFocus *event, gpointer opaque)
1624 {
1625     VirtualConsole *vc = opaque;
1626 
1627     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1628     return TRUE;
1629 }
1630 
1631 static gboolean gd_focus_out_event(GtkWidget *widget,
1632                                    GdkEventFocus *event, gpointer opaque)
1633 {
1634     VirtualConsole *vc = opaque;
1635     GtkDisplayState *s = vc->s;
1636 
1637     win32_kbd_set_window(NULL);
1638     gtk_release_modifiers(s);
1639     return TRUE;
1640 }
1641 
1642 static gboolean gd_configure(GtkWidget *widget,
1643                              GdkEventConfigure *cfg, gpointer opaque)
1644 {
1645     VirtualConsole *vc = opaque;
1646 
1647     gd_set_ui_info(vc, cfg->width, cfg->height);
1648     return FALSE;
1649 }
1650 
1651 /** Virtual Console Callbacks **/
1652 
1653 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1654                                int idx, GSList *group, GtkWidget *view_menu)
1655 {
1656     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1657     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1658             HOTKEY_MODIFIERS, 0,
1659             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1660     gtk_accel_label_set_accel(
1661             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1662             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1663 
1664     g_signal_connect(vc->menu_item, "activate",
1665                      G_CALLBACK(gd_menu_switch_vc), s);
1666     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1667 
1668     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1669 }
1670 
1671 #if defined(CONFIG_VTE)
1672 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1673 {
1674     GtkDisplayState *s = opaque;
1675     VirtualConsole *vc = gd_vc_find_current(s);
1676 
1677 #if VTE_CHECK_VERSION(0, 50, 0)
1678     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1679                                        VTE_FORMAT_TEXT);
1680 #else
1681     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1682 #endif
1683 }
1684 
1685 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1686 {
1687     VirtualConsole *vc = opaque;
1688 
1689     if (gtk_adjustment_get_upper(adjustment) >
1690         gtk_adjustment_get_page_size(adjustment)) {
1691         gtk_widget_show(vc->vte.scrollbar);
1692     } else {
1693         gtk_widget_hide(vc->vte.scrollbar);
1694     }
1695 }
1696 
1697 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1698 {
1699     VCChardev *vcd = VC_CHARDEV(chr);
1700     VirtualConsole *vc = vcd->console;
1701 
1702     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1703     return len;
1704 }
1705 
1706 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1707 {
1708     VCChardev *vcd = VC_CHARDEV(chr);
1709     VirtualConsole *vc = vcd->console;
1710 
1711     if (vc) {
1712         vc->vte.echo = echo;
1713     } else {
1714         vcd->echo = echo;
1715     }
1716 }
1717 
1718 static int nb_vcs;
1719 static Chardev *vcs[MAX_VCS];
1720 static void gd_vc_open(Chardev *chr,
1721                        ChardevBackend *backend,
1722                        bool *be_opened,
1723                        Error **errp)
1724 {
1725     if (nb_vcs == MAX_VCS) {
1726         error_setg(errp, "Maximum number of consoles reached");
1727         return;
1728     }
1729 
1730     vcs[nb_vcs++] = chr;
1731 
1732     /* console/chardev init sometimes completes elsewhere in a 2nd
1733      * stage, so defer OPENED events until they are fully initialized
1734      */
1735     *be_opened = false;
1736 }
1737 
1738 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1739 {
1740     ChardevClass *cc = CHARDEV_CLASS(oc);
1741 
1742     cc->parse = qemu_chr_parse_vc;
1743     cc->open = gd_vc_open;
1744     cc->chr_write = gd_vc_chr_write;
1745     cc->chr_set_echo = gd_vc_chr_set_echo;
1746 }
1747 
1748 static const TypeInfo char_gd_vc_type_info = {
1749     .name = TYPE_CHARDEV_VC,
1750     .parent = TYPE_CHARDEV,
1751     .instance_size = sizeof(VCChardev),
1752     .class_init = char_gd_vc_class_init,
1753 };
1754 
1755 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1756                          gpointer user_data)
1757 {
1758     VirtualConsole *vc = user_data;
1759 
1760     if (vc->vte.echo) {
1761         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1762         int i;
1763         for (i = 0; i < size; i++) {
1764             uint8_t c = text[i];
1765             if (c >= 128 || isprint(c)) {
1766                 /* 8-bit characters are considered printable.  */
1767                 vte_terminal_feed(term, &text[i], 1);
1768             } else if (c == '\r' || c == '\n') {
1769                 vte_terminal_feed(term, "\r\n", 2);
1770             } else {
1771                 char ctrl[2] = { '^', 0};
1772                 ctrl[1] = text[i] ^ 64;
1773                 vte_terminal_feed(term, ctrl, 2);
1774             }
1775         }
1776     }
1777 
1778     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1779     return TRUE;
1780 }
1781 
1782 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1783                               Chardev *chr, int idx,
1784                               GSList *group, GtkWidget *view_menu)
1785 {
1786     char buffer[32];
1787     GtkWidget *box;
1788     GtkWidget *scrollbar;
1789     GtkAdjustment *vadjustment;
1790     VCChardev *vcd = VC_CHARDEV(chr);
1791 
1792     vc->s = s;
1793     vc->vte.echo = vcd->echo;
1794     vc->vte.chr = chr;
1795     vcd->console = vc;
1796 
1797     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1798     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1799                                 ? vc->vte.chr->label : buffer);
1800     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1801 
1802     vc->vte.terminal = vte_terminal_new();
1803     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1804 
1805     /* The documentation says that the default is UTF-8, but actually it is
1806      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1807      * VTE 0.54 (only UTF-8 is supported now). */
1808 #if !VTE_CHECK_VERSION(0, 54, 0)
1809 #if VTE_CHECK_VERSION(0, 38, 0)
1810     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1811 #else
1812     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1813 #endif
1814 #endif
1815 
1816     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1817     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1818                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1819 
1820 #if VTE_CHECK_VERSION(0, 28, 0)
1821     vadjustment = gtk_scrollable_get_vadjustment
1822         (GTK_SCROLLABLE(vc->vte.terminal));
1823 #else
1824     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1825 #endif
1826 
1827     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1828     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1829 
1830     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1831     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1832 
1833     vc->vte.box = box;
1834     vc->vte.scrollbar = scrollbar;
1835 
1836     g_signal_connect(vadjustment, "changed",
1837                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1838 
1839     vc->type = GD_VC_VTE;
1840     vc->tab_item = box;
1841     vc->focus = vc->vte.terminal;
1842     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1843                              gtk_label_new(vc->label));
1844 
1845     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1846 
1847     return group;
1848 }
1849 
1850 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1851                         GtkWidget *view_menu)
1852 {
1853     int i;
1854 
1855     for (i = 0; i < nb_vcs; i++) {
1856         VirtualConsole *vc = &s->vc[s->nb_vcs];
1857         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1858         s->nb_vcs++;
1859     }
1860 }
1861 #endif /* CONFIG_VTE */
1862 
1863 /** Window Creation **/
1864 
1865 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1866 {
1867     g_signal_connect(vc->gfx.drawing_area, "draw",
1868                      G_CALLBACK(gd_draw_event), vc);
1869 #if defined(CONFIG_OPENGL)
1870     if (gtk_use_gl_area) {
1871         /* wire up GtkGlArea events */
1872         g_signal_connect(vc->gfx.drawing_area, "render",
1873                          G_CALLBACK(gd_render_event), vc);
1874         g_signal_connect(vc->gfx.drawing_area, "resize",
1875                          G_CALLBACK(gd_resize_event), vc);
1876     }
1877 #endif
1878     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1879         g_signal_connect(vc->gfx.drawing_area, "event",
1880                          G_CALLBACK(gd_event), vc);
1881         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1882                          G_CALLBACK(gd_button_event), vc);
1883         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1884                          G_CALLBACK(gd_button_event), vc);
1885         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1886                          G_CALLBACK(gd_scroll_event), vc);
1887         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1888                          G_CALLBACK(gd_key_event), vc);
1889         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1890                          G_CALLBACK(gd_key_event), vc);
1891 
1892         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1893                          G_CALLBACK(gd_enter_event), vc);
1894         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1895                          G_CALLBACK(gd_leave_event), vc);
1896         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1897                          G_CALLBACK(gd_focus_in_event), vc);
1898         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1899                          G_CALLBACK(gd_focus_out_event), vc);
1900         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1901                          G_CALLBACK(gd_configure), vc);
1902         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1903                          G_CALLBACK(gd_grab_broken_event), vc);
1904     } else {
1905         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1906                          G_CALLBACK(gd_text_key_down), vc);
1907     }
1908 }
1909 
1910 static void gd_connect_signals(GtkDisplayState *s)
1911 {
1912     g_signal_connect(s->show_tabs_item, "activate",
1913                      G_CALLBACK(gd_menu_show_tabs), s);
1914     g_signal_connect(s->untabify_item, "activate",
1915                      G_CALLBACK(gd_menu_untabify), s);
1916     g_signal_connect(s->show_menubar_item, "activate",
1917                      G_CALLBACK(gd_menu_show_menubar), s);
1918 
1919     g_signal_connect(s->window, "delete-event",
1920                      G_CALLBACK(gd_window_close), s);
1921 
1922     g_signal_connect(s->pause_item, "activate",
1923                      G_CALLBACK(gd_menu_pause), s);
1924     g_signal_connect(s->reset_item, "activate",
1925                      G_CALLBACK(gd_menu_reset), s);
1926     g_signal_connect(s->powerdown_item, "activate",
1927                      G_CALLBACK(gd_menu_powerdown), s);
1928     g_signal_connect(s->quit_item, "activate",
1929                      G_CALLBACK(gd_menu_quit), s);
1930 #if defined(CONFIG_VTE)
1931     g_signal_connect(s->copy_item, "activate",
1932                      G_CALLBACK(gd_menu_copy), s);
1933 #endif
1934     g_signal_connect(s->full_screen_item, "activate",
1935                      G_CALLBACK(gd_menu_full_screen), s);
1936     g_signal_connect(s->zoom_in_item, "activate",
1937                      G_CALLBACK(gd_menu_zoom_in), s);
1938     g_signal_connect(s->zoom_out_item, "activate",
1939                      G_CALLBACK(gd_menu_zoom_out), s);
1940     g_signal_connect(s->zoom_fixed_item, "activate",
1941                      G_CALLBACK(gd_menu_zoom_fixed), s);
1942     g_signal_connect(s->zoom_fit_item, "activate",
1943                      G_CALLBACK(gd_menu_zoom_fit), s);
1944     g_signal_connect(s->grab_item, "activate",
1945                      G_CALLBACK(gd_menu_grab_input), s);
1946     g_signal_connect(s->notebook, "switch-page",
1947                      G_CALLBACK(gd_change_page), s);
1948 }
1949 
1950 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1951 {
1952     GtkWidget *machine_menu;
1953     GtkWidget *separator;
1954 
1955     machine_menu = gtk_menu_new();
1956     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1957 
1958     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1959     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1960 
1961     separator = gtk_separator_menu_item_new();
1962     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1963 
1964     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1965     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1966 
1967     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1968     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1969 
1970     separator = gtk_separator_menu_item_new();
1971     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1972 
1973     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1974     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1975                                  "<QEMU>/Machine/Quit");
1976     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1977                             GDK_KEY_q, HOTKEY_MODIFIERS);
1978     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1979 
1980     return machine_menu;
1981 }
1982 
1983 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1984                               QemuConsole *con, int idx,
1985                               GSList *group, GtkWidget *view_menu)
1986 {
1987     bool zoom_to_fit = false;
1988 
1989     vc->label = qemu_console_get_label(con);
1990     vc->s = s;
1991     vc->gfx.scale_x = 1.0;
1992     vc->gfx.scale_y = 1.0;
1993 
1994 #if defined(CONFIG_OPENGL)
1995     if (display_opengl) {
1996 #if defined(CONFIG_OPENGL)
1997         if (gtk_use_gl_area) {
1998             vc->gfx.drawing_area = gtk_gl_area_new();
1999             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2000         } else
2001 #endif /* CONFIG_OPENGL */
2002         {
2003             vc->gfx.drawing_area = gtk_drawing_area_new();
2004             /*
2005              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2006              * It is required for opengl rendering on X11 though.  A
2007              * proper replacement (native opengl support) is only
2008              * available in 3.16+.  Silence the warning if possible.
2009              */
2010 #pragma GCC diagnostic push
2011 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2012             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2013 #pragma GCC diagnostic pop
2014             vc->gfx.dcl.ops = &dcl_egl_ops;
2015         }
2016     } else
2017 #endif
2018     {
2019         vc->gfx.drawing_area = gtk_drawing_area_new();
2020         vc->gfx.dcl.ops = &dcl_ops;
2021     }
2022 
2023 
2024     gtk_widget_add_events(vc->gfx.drawing_area,
2025                           GDK_POINTER_MOTION_MASK |
2026                           GDK_BUTTON_PRESS_MASK |
2027                           GDK_BUTTON_RELEASE_MASK |
2028                           GDK_BUTTON_MOTION_MASK |
2029                           GDK_ENTER_NOTIFY_MASK |
2030                           GDK_LEAVE_NOTIFY_MASK |
2031                           GDK_SCROLL_MASK |
2032                           GDK_SMOOTH_SCROLL_MASK |
2033                           GDK_KEY_PRESS_MASK);
2034     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2035 
2036     vc->type = GD_VC_GFX;
2037     vc->tab_item = vc->gfx.drawing_area;
2038     vc->focus = vc->gfx.drawing_area;
2039     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2040                              vc->tab_item, gtk_label_new(vc->label));
2041 
2042     vc->gfx.kbd = qkbd_state_init(con);
2043     vc->gfx.dcl.con = con;
2044 
2045     register_displaychangelistener(&vc->gfx.dcl);
2046 
2047     gd_connect_vc_gfx_signals(vc);
2048     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2049 
2050     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2051         zoom_to_fit = true;
2052     }
2053     if (s->opts->u.gtk.has_zoom_to_fit) {
2054         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2055     }
2056     if (zoom_to_fit) {
2057         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2058         s->free_scale = true;
2059     }
2060 
2061     return group;
2062 }
2063 
2064 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2065 {
2066     GSList *group = NULL;
2067     GtkWidget *view_menu;
2068     GtkWidget *separator;
2069     QemuConsole *con;
2070     int vc;
2071 
2072     view_menu = gtk_menu_new();
2073     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2074 
2075     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2076 
2077 #if defined(CONFIG_VTE)
2078     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2079     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2080 #endif
2081 
2082     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2083             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2084     gtk_accel_label_set_accel(
2085             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2086             GDK_KEY_f, HOTKEY_MODIFIERS);
2087     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2088 
2089     separator = gtk_separator_menu_item_new();
2090     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2091 
2092     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2093     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2094                                  "<QEMU>/View/Zoom In");
2095     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2096                             HOTKEY_MODIFIERS);
2097     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2098             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2099     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2100 
2101     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2102     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2103                                  "<QEMU>/View/Zoom Out");
2104     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2105                             HOTKEY_MODIFIERS);
2106     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2107 
2108     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2109     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2110                                  "<QEMU>/View/Zoom Fixed");
2111     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2112                             HOTKEY_MODIFIERS);
2113     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2114 
2115     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2116     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2117 
2118     separator = gtk_separator_menu_item_new();
2119     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2120 
2121     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2122     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2123 
2124     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2125     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2126                                  "<QEMU>/View/Grab Input");
2127     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2128                             HOTKEY_MODIFIERS);
2129     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2130 
2131     separator = gtk_separator_menu_item_new();
2132     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2133 
2134     /* gfx */
2135     for (vc = 0;; vc++) {
2136         con = qemu_console_lookup_by_index(vc);
2137         if (!con) {
2138             break;
2139         }
2140         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2141                                vc, group, view_menu);
2142         s->nb_vcs++;
2143     }
2144 
2145 #if defined(CONFIG_VTE)
2146     /* vte */
2147     gd_vcs_init(s, group, view_menu);
2148 #endif
2149 
2150     separator = gtk_separator_menu_item_new();
2151     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2152 
2153     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2154     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2155 
2156     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2157     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2158 
2159     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2160             _("Show Menubar"));
2161     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2162                                    TRUE);
2163     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2164             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2165     gtk_accel_label_set_accel(
2166             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2167             GDK_KEY_m, HOTKEY_MODIFIERS);
2168     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2169 
2170     return view_menu;
2171 }
2172 
2173 static void gd_create_menus(GtkDisplayState *s)
2174 {
2175     GtkSettings *settings;
2176 
2177     s->accel_group = gtk_accel_group_new();
2178     s->machine_menu = gd_create_menu_machine(s);
2179     s->view_menu = gd_create_menu_view(s);
2180 
2181     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2182     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2183                               s->machine_menu);
2184     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2185 
2186     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2187     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2188     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2189 
2190     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2191     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2192 
2193     /* Disable the default "F10" menu shortcut. */
2194     settings = gtk_widget_get_settings(s->window);
2195     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2196 }
2197 
2198 
2199 static gboolean gtkinit;
2200 
2201 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2202 {
2203     VirtualConsole *vc;
2204 
2205     GtkDisplayState *s = g_malloc0(sizeof(*s));
2206     GdkDisplay *window_display;
2207     GtkIconTheme *theme;
2208     char *dir;
2209 
2210     if (!gtkinit) {
2211         fprintf(stderr, "gtk initialization failed\n");
2212         exit(1);
2213     }
2214     assert(opts->type == DISPLAY_TYPE_GTK);
2215     s->opts = opts;
2216 
2217     theme = gtk_icon_theme_get_default();
2218     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2219     gtk_icon_theme_prepend_search_path(theme, dir);
2220     g_free(dir);
2221     g_set_prgname("qemu");
2222 
2223     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2224     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2225     s->notebook = gtk_notebook_new();
2226     s->menu_bar = gtk_menu_bar_new();
2227 
2228     s->free_scale = FALSE;
2229 
2230     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2231      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2232      * printable, but without changing any of the character classes to make
2233      * sure that we don't accidentally break implicit assumptions.  */
2234     setlocale(LC_MESSAGES, "");
2235     setlocale(LC_CTYPE, "C.UTF-8");
2236     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2237     bindtextdomain("qemu", dir);
2238     g_free(dir);
2239     bind_textdomain_codeset("qemu", "UTF-8");
2240     textdomain("qemu");
2241 
2242     window_display = gtk_widget_get_display(s->window);
2243     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2244         s->null_cursor = NULL; /* default pointer */
2245     } else {
2246         s->null_cursor = gdk_cursor_new_for_display(window_display,
2247                                                     GDK_BLANK_CURSOR);
2248     }
2249 
2250     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2251     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2252     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2253 
2254     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2255 
2256     gd_create_menus(s);
2257 
2258     gd_connect_signals(s);
2259 
2260     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2261     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2262 
2263     gd_update_caption(s);
2264 
2265     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2266     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2267 
2268     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2269 
2270     gtk_widget_show_all(s->window);
2271 
2272     vc = gd_vc_find_current(s);
2273     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2274 #ifdef CONFIG_VTE
2275     gtk_widget_set_sensitive(s->copy_item,
2276                              vc && vc->type == GD_VC_VTE);
2277 #endif
2278 
2279     if (opts->has_full_screen &&
2280         opts->full_screen) {
2281         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2282     }
2283     if (opts->u.gtk.has_grab_on_hover &&
2284         opts->u.gtk.grab_on_hover) {
2285         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2286     }
2287 }
2288 
2289 static void early_gtk_display_init(DisplayOptions *opts)
2290 {
2291     /* The QEMU code relies on the assumption that it's always run in
2292      * the C locale. Therefore it is not prepared to deal with
2293      * operations that produce different results depending on the
2294      * locale, such as printf's formatting of decimal numbers, and
2295      * possibly others.
2296      *
2297      * Since GTK+ calls setlocale() by default -importing the locale
2298      * settings from the environment- we must prevent it from doing so
2299      * using gtk_disable_setlocale().
2300      *
2301      * QEMU's GTK+ UI, however, _does_ have translations for some of
2302      * the menu items. As a trade-off between a functionally correct
2303      * QEMU and a fully internationalized UI we support importing
2304      * LC_MESSAGES from the environment (see the setlocale() call
2305      * earlier in this file). This allows us to display translated
2306      * messages leaving everything else untouched.
2307      */
2308     gtk_disable_setlocale();
2309     gtkinit = gtk_init_check(NULL, NULL);
2310     if (!gtkinit) {
2311         /* don't exit yet, that'll break -help */
2312         return;
2313     }
2314 
2315     assert(opts->type == DISPLAY_TYPE_GTK);
2316     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2317 #if defined(CONFIG_OPENGL)
2318 #if defined(GDK_WINDOWING_WAYLAND)
2319         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2320             gtk_use_gl_area = true;
2321             gtk_gl_area_init();
2322         } else
2323 #endif
2324         {
2325             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2326             gtk_egl_init(mode);
2327         }
2328 #endif
2329     }
2330 
2331     keycode_map = gd_get_keymap(&keycode_maplen);
2332 
2333 #if defined(CONFIG_VTE)
2334     type_register(&char_gd_vc_type_info);
2335 #endif
2336 }
2337 
2338 static QemuDisplay qemu_display_gtk = {
2339     .type       = DISPLAY_TYPE_GTK,
2340     .early_init = early_gtk_display_init,
2341     .init       = gtk_display_init,
2342 };
2343 
2344 static void register_gtk(void)
2345 {
2346     qemu_display_register(&qemu_display_gtk);
2347 }
2348 
2349 type_init(register_gtk);
2350