xref: /openbmc/qemu/ui/gtk.c (revision 5111edaf)
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 VC_WINDOW_X_MIN  320
64 #define VC_WINDOW_Y_MIN  240
65 #define VC_TERM_X_MIN     80
66 #define VC_TERM_Y_MIN     25
67 #define VC_SCALE_MIN    0.25
68 #define VC_SCALE_STEP   0.25
69 
70 #ifdef GDK_WINDOWING_X11
71 #include "x_keymap.h"
72 
73 /* Gtk2 compat */
74 #ifndef GDK_IS_X11_DISPLAY
75 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
76 #endif
77 #endif
78 
79 
80 #ifdef GDK_WINDOWING_WAYLAND
81 /* Gtk2 compat */
82 #ifndef GDK_IS_WAYLAND_DISPLAY
83 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
84 #endif
85 #endif
86 
87 
88 #ifdef GDK_WINDOWING_WIN32
89 /* Gtk2 compat */
90 #ifndef GDK_IS_WIN32_DISPLAY
91 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
92 #endif
93 #endif
94 
95 
96 #ifdef GDK_WINDOWING_BROADWAY
97 /* Gtk2 compat */
98 #ifndef GDK_IS_BROADWAY_DISPLAY
99 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
100 #endif
101 #endif
102 
103 
104 #ifdef GDK_WINDOWING_QUARTZ
105 /* Gtk2 compat */
106 #ifndef GDK_IS_QUARTZ_DISPLAY
107 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
108 #endif
109 #endif
110 
111 
112 #if !defined(CONFIG_VTE)
113 # define VTE_CHECK_VERSION(a, b, c) 0
114 #endif
115 
116 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
117 
118 static const guint16 *keycode_map;
119 static size_t keycode_maplen;
120 
121 struct VCChardev {
122     Chardev parent;
123     VirtualConsole *console;
124     bool echo;
125 };
126 typedef struct VCChardev VCChardev;
127 
128 #define TYPE_CHARDEV_VC "chardev-vc"
129 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
130                          TYPE_CHARDEV_VC)
131 
132 bool gtk_use_gl_area;
133 
134 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
135 static void gd_ungrab_pointer(GtkDisplayState *s);
136 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
137 static void gd_ungrab_keyboard(GtkDisplayState *s);
138 
139 /** Utility Functions **/
140 
141 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
142 {
143     VirtualConsole *vc;
144     gint i;
145 
146     for (i = 0; i < s->nb_vcs; i++) {
147         vc = &s->vc[i];
148         if (gtk_check_menu_item_get_active
149             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
150             return vc;
151         }
152     }
153     return NULL;
154 }
155 
156 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
157 {
158     VirtualConsole *vc;
159     gint i, p;
160 
161     for (i = 0; i < s->nb_vcs; i++) {
162         vc = &s->vc[i];
163         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
164         if (p == page) {
165             return vc;
166         }
167     }
168     return NULL;
169 }
170 
171 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
172 {
173     gint page;
174 
175     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
176     return gd_vc_find_by_page(s, page);
177 }
178 
179 static bool gd_is_grab_active(GtkDisplayState *s)
180 {
181     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
182 }
183 
184 static bool gd_grab_on_hover(GtkDisplayState *s)
185 {
186     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
187 }
188 
189 static void gd_update_cursor(VirtualConsole *vc)
190 {
191     GtkDisplayState *s = vc->s;
192     GdkWindow *window;
193 
194     if (vc->type != GD_VC_GFX ||
195         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
196         return;
197     }
198 
199     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
200         return;
201     }
202 
203     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
204     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
205         gdk_window_set_cursor(window, s->null_cursor);
206     } else {
207         gdk_window_set_cursor(window, NULL);
208     }
209 }
210 
211 static void gd_update_caption(GtkDisplayState *s)
212 {
213     const char *status = "";
214     gchar *prefix;
215     gchar *title;
216     const char *grab = "";
217     bool is_paused = !runstate_is_running();
218     int i;
219 
220     if (qemu_name) {
221         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
222     } else {
223         prefix = g_strdup_printf("QEMU");
224     }
225 
226     if (s->ptr_owner != NULL &&
227         s->ptr_owner->window == NULL) {
228         grab = _(" - Press Ctrl+Alt+G to release grab");
229     }
230 
231     if (is_paused) {
232         status = _(" [Paused]");
233     }
234     s->external_pause_update = true;
235     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
236                                    is_paused);
237     s->external_pause_update = false;
238 
239     title = g_strdup_printf("%s%s%s", prefix, status, grab);
240     gtk_window_set_title(GTK_WINDOW(s->window), title);
241     g_free(title);
242 
243     for (i = 0; i < s->nb_vcs; i++) {
244         VirtualConsole *vc = &s->vc[i];
245 
246         if (!vc->window) {
247             continue;
248         }
249         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
250                                 vc == s->kbd_owner ? " +kbd" : "",
251                                 vc == s->ptr_owner ? " +ptr" : "");
252         gtk_window_set_title(GTK_WINDOW(vc->window), title);
253         g_free(title);
254     }
255 
256     g_free(prefix);
257 }
258 
259 static void gd_update_geometry_hints(VirtualConsole *vc)
260 {
261     GtkDisplayState *s = vc->s;
262     GdkWindowHints mask = 0;
263     GdkGeometry geo = {};
264     GtkWidget *geo_widget = NULL;
265     GtkWindow *geo_window;
266 
267     if (vc->type == GD_VC_GFX) {
268         if (!vc->gfx.ds) {
269             return;
270         }
271         if (s->free_scale) {
272             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
273             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
274             mask |= GDK_HINT_MIN_SIZE;
275         } else {
276             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
277             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
278             mask |= GDK_HINT_MIN_SIZE;
279         }
280         geo_widget = vc->gfx.drawing_area;
281         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
282 
283 #if defined(CONFIG_VTE)
284     } else if (vc->type == GD_VC_VTE) {
285         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
286         GtkBorder padding = { 0 };
287 
288 #if VTE_CHECK_VERSION(0, 37, 0)
289         gtk_style_context_get_padding(
290                 gtk_widget_get_style_context(vc->vte.terminal),
291                 gtk_widget_get_state_flags(vc->vte.terminal),
292                 &padding);
293 #else
294         {
295             GtkBorder *ib = NULL;
296             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
297             if (ib) {
298                 padding = *ib;
299                 gtk_border_free(ib);
300             }
301         }
302 #endif
303 
304         geo.width_inc  = vte_terminal_get_char_width(term);
305         geo.height_inc = vte_terminal_get_char_height(term);
306         mask |= GDK_HINT_RESIZE_INC;
307         geo.base_width  = geo.width_inc;
308         geo.base_height = geo.height_inc;
309         mask |= GDK_HINT_BASE_SIZE;
310         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
311         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
312         mask |= GDK_HINT_MIN_SIZE;
313 
314         geo.base_width  += padding.left + padding.right;
315         geo.base_height += padding.top + padding.bottom;
316         geo.min_width   += padding.left + padding.right;
317         geo.min_height  += padding.top + padding.bottom;
318         geo_widget = vc->vte.terminal;
319 #endif
320     }
321 
322     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
323     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
324 }
325 
326 void gd_update_windowsize(VirtualConsole *vc)
327 {
328     GtkDisplayState *s = vc->s;
329 
330     gd_update_geometry_hints(vc);
331 
332     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
333         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
334                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
335     }
336 }
337 
338 static void gd_update_full_redraw(VirtualConsole *vc)
339 {
340     GtkWidget *area = vc->gfx.drawing_area;
341     int ww, wh;
342     ww = gdk_window_get_width(gtk_widget_get_window(area));
343     wh = gdk_window_get_height(gtk_widget_get_window(area));
344 #if defined(CONFIG_OPENGL)
345     if (vc->gfx.gls && gtk_use_gl_area) {
346         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
347         return;
348     }
349 #endif
350     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
351 }
352 
353 static void gtk_release_modifiers(GtkDisplayState *s)
354 {
355     VirtualConsole *vc = gd_vc_find_current(s);
356 
357     if (vc->type != GD_VC_GFX ||
358         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
359         return;
360     }
361     qkbd_state_lift_all_keys(vc->gfx.kbd);
362 }
363 
364 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
365                                GtkWidget *widget)
366 {
367     g_object_ref(G_OBJECT(widget));
368     gtk_container_remove(GTK_CONTAINER(from), widget);
369     gtk_container_add(GTK_CONTAINER(to), widget);
370     g_object_unref(G_OBJECT(widget));
371 }
372 
373 static void *gd_win32_get_hwnd(VirtualConsole *vc)
374 {
375 #ifdef G_OS_WIN32
376     return gdk_win32_window_get_impl_hwnd(
377         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
378 #else
379     return NULL;
380 #endif
381 }
382 
383 /** DisplayState Callbacks **/
384 
385 static void gd_update(DisplayChangeListener *dcl,
386                       int x, int y, int w, int h)
387 {
388     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
389     GdkWindow *win;
390     int x1, x2, y1, y2;
391     int mx, my;
392     int fbw, fbh;
393     int ww, wh;
394 
395     trace_gd_update(vc->label, x, y, w, h);
396 
397     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
398         return;
399     }
400 
401     if (vc->gfx.convert) {
402         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
403                                NULL, vc->gfx.convert,
404                                x, y, 0, 0, x, y, w, h);
405     }
406 
407     x1 = floor(x * vc->gfx.scale_x);
408     y1 = floor(y * vc->gfx.scale_y);
409 
410     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
411     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
412 
413     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
414     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
415 
416     win = gtk_widget_get_window(vc->gfx.drawing_area);
417     if (!win) {
418         return;
419     }
420     ww = gdk_window_get_width(win);
421     wh = gdk_window_get_height(win);
422 
423     mx = my = 0;
424     if (ww > fbw) {
425         mx = (ww - fbw) / 2;
426     }
427     if (wh > fbh) {
428         my = (wh - fbh) / 2;
429     }
430 
431     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
432                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
433 }
434 
435 static void gd_refresh(DisplayChangeListener *dcl)
436 {
437     graphic_hw_update(dcl->con);
438 }
439 
440 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
441 {
442     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
443 }
444 
445 static void gd_mouse_set(DisplayChangeListener *dcl,
446                          int x, int y, int visible)
447 {
448     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
449     GdkDisplay *dpy;
450     gint x_root, y_root;
451 
452     if (qemu_input_is_absolute()) {
453         return;
454     }
455 
456     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
457     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
458                                x, y, &x_root, &y_root);
459     gdk_device_warp(gd_get_pointer(dpy),
460                     gtk_widget_get_screen(vc->gfx.drawing_area),
461                     x_root, y_root);
462     vc->s->last_x = x;
463     vc->s->last_y = y;
464 }
465 
466 static void gd_cursor_define(DisplayChangeListener *dcl,
467                              QEMUCursor *c)
468 {
469     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
470     GdkPixbuf *pixbuf;
471     GdkCursor *cursor;
472 
473     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
474         return;
475     }
476 
477     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
478                                       GDK_COLORSPACE_RGB, true, 8,
479                                       c->width, c->height, c->width * 4,
480                                       NULL, NULL);
481     cursor = gdk_cursor_new_from_pixbuf
482         (gtk_widget_get_display(vc->gfx.drawing_area),
483          pixbuf, c->hot_x, c->hot_y);
484     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
485     g_object_unref(pixbuf);
486     g_object_unref(cursor);
487 }
488 
489 static void gd_switch(DisplayChangeListener *dcl,
490                       DisplaySurface *surface)
491 {
492     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
493     bool resized = true;
494 
495     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
496 
497     if (vc->gfx.surface) {
498         cairo_surface_destroy(vc->gfx.surface);
499         vc->gfx.surface = NULL;
500     }
501     if (vc->gfx.convert) {
502         pixman_image_unref(vc->gfx.convert);
503         vc->gfx.convert = NULL;
504     }
505 
506     if (vc->gfx.ds &&
507         surface_width(vc->gfx.ds) == surface_width(surface) &&
508         surface_height(vc->gfx.ds) == surface_height(surface)) {
509         resized = false;
510     }
511     vc->gfx.ds = surface;
512 
513     if (surface->format == PIXMAN_x8r8g8b8) {
514         /*
515          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
516          *
517          * No need to convert, use surface directly.  Should be the
518          * common case as this is qemu_default_pixelformat(32) too.
519          */
520         vc->gfx.surface = cairo_image_surface_create_for_data
521             (surface_data(surface),
522              CAIRO_FORMAT_RGB24,
523              surface_width(surface),
524              surface_height(surface),
525              surface_stride(surface));
526     } else {
527         /* Must convert surface, use pixman to do it. */
528         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
529                                                    surface_width(surface),
530                                                    surface_height(surface),
531                                                    NULL, 0);
532         vc->gfx.surface = cairo_image_surface_create_for_data
533             ((void *)pixman_image_get_data(vc->gfx.convert),
534              CAIRO_FORMAT_RGB24,
535              pixman_image_get_width(vc->gfx.convert),
536              pixman_image_get_height(vc->gfx.convert),
537              pixman_image_get_stride(vc->gfx.convert));
538         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
539                                NULL, vc->gfx.convert,
540                                0, 0, 0, 0, 0, 0,
541                                pixman_image_get_width(vc->gfx.convert),
542                                pixman_image_get_height(vc->gfx.convert));
543     }
544 
545     if (resized) {
546         gd_update_windowsize(vc);
547     } else {
548         gd_update_full_redraw(vc);
549     }
550 }
551 
552 static const DisplayChangeListenerOps dcl_ops = {
553     .dpy_name             = "gtk",
554     .dpy_gfx_update       = gd_update,
555     .dpy_gfx_switch       = gd_switch,
556     .dpy_gfx_check_format = qemu_pixman_check_format,
557     .dpy_refresh          = gd_refresh,
558     .dpy_mouse_set        = gd_mouse_set,
559     .dpy_cursor_define    = gd_cursor_define,
560 };
561 
562 
563 #if defined(CONFIG_OPENGL)
564 
565 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
566 {
567     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
568 
569     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
570         /* FIXME: Assume it will work, actual check done after realize */
571         /* fixing this would require delaying listener registration */
572         return true;
573     }
574 
575     return vc->gfx.has_dmabuf;
576 }
577 
578 /** DisplayState Callbacks (opengl version) **/
579 
580 static const DisplayChangeListenerOps dcl_gl_area_ops = {
581     .dpy_name             = "gtk-egl",
582     .dpy_gfx_update       = gd_gl_area_update,
583     .dpy_gfx_switch       = gd_gl_area_switch,
584     .dpy_gfx_check_format = console_gl_check_format,
585     .dpy_refresh          = gd_gl_area_refresh,
586     .dpy_mouse_set        = gd_mouse_set,
587     .dpy_cursor_define    = gd_cursor_define,
588 
589     .dpy_gl_ctx_create       = gd_gl_area_create_context,
590     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
591     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
592     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
593     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
594     .dpy_gl_update           = gd_gl_area_scanout_flush,
595     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
596     .dpy_has_dmabuf          = gd_has_dmabuf,
597 };
598 
599 #ifdef CONFIG_X11
600 
601 static const DisplayChangeListenerOps dcl_egl_ops = {
602     .dpy_name             = "gtk-egl",
603     .dpy_gfx_update       = gd_egl_update,
604     .dpy_gfx_switch       = gd_egl_switch,
605     .dpy_gfx_check_format = console_gl_check_format,
606     .dpy_refresh          = gd_egl_refresh,
607     .dpy_mouse_set        = gd_mouse_set,
608     .dpy_cursor_define    = gd_cursor_define,
609 
610     .dpy_gl_ctx_create       = gd_egl_create_context,
611     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
612     .dpy_gl_ctx_make_current = gd_egl_make_current,
613     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
614     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
615     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
616     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
617     .dpy_gl_cursor_position  = gd_egl_cursor_position,
618     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
619     .dpy_gl_update           = gd_egl_scanout_flush,
620     .dpy_has_dmabuf          = gd_has_dmabuf,
621 };
622 
623 #endif
624 
625 #endif /* CONFIG_OPENGL */
626 
627 /** QEMU Events **/
628 
629 static void gd_change_runstate(void *opaque, bool running, RunState state)
630 {
631     GtkDisplayState *s = opaque;
632 
633     gd_update_caption(s);
634 }
635 
636 static void gd_mouse_mode_change(Notifier *notify, void *data)
637 {
638     GtkDisplayState *s;
639     int i;
640 
641     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
642     /* release the grab at switching to absolute mode */
643     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
644         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
645                                        FALSE);
646     }
647     for (i = 0; i < s->nb_vcs; i++) {
648         VirtualConsole *vc = &s->vc[i];
649         gd_update_cursor(vc);
650     }
651 }
652 
653 /** GTK Events **/
654 
655 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
656                                 void *opaque)
657 {
658     GtkDisplayState *s = opaque;
659     bool allow_close = true;
660 
661     if (s->opts->has_window_close && !s->opts->window_close) {
662         allow_close = false;
663     }
664 
665     if (allow_close) {
666         qmp_quit(NULL);
667     }
668 
669     return TRUE;
670 }
671 
672 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
673 {
674     QemuUIInfo info;
675 
676     memset(&info, 0, sizeof(info));
677     info.width = width;
678     info.height = height;
679     dpy_set_ui_info(vc->gfx.dcl.con, &info);
680 }
681 
682 #if defined(CONFIG_OPENGL)
683 
684 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
685                                 void *opaque)
686 {
687     VirtualConsole *vc = opaque;
688 
689     if (vc->gfx.gls) {
690         gd_gl_area_draw(vc);
691     }
692     return TRUE;
693 }
694 
695 static void gd_resize_event(GtkGLArea *area,
696                             gint width, gint height, gpointer *opaque)
697 {
698     VirtualConsole *vc = (void *)opaque;
699 
700     gd_set_ui_info(vc, width, height);
701 }
702 
703 #endif
704 
705 /*
706  * If available, return the update interval of the monitor in ms,
707  * else return 0 (the default update interval).
708  */
709 int gd_monitor_update_interval(GtkWidget *widget)
710 {
711 #ifdef GDK_VERSION_3_22
712     GdkWindow *win = gtk_widget_get_window(widget);
713 
714     if (win) {
715         GdkDisplay *dpy = gtk_widget_get_display(widget);
716         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
717         int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
718 
719         if (refresh_rate) {
720             /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
721             return MIN(1000 * 1000 / refresh_rate,
722                        GUI_REFRESH_INTERVAL_DEFAULT);
723         }
724     }
725 #endif
726     return 0;
727 }
728 
729 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
730 {
731     VirtualConsole *vc = opaque;
732     GtkDisplayState *s = vc->s;
733     int mx, my;
734     int ww, wh;
735     int fbw, fbh;
736 
737 #if defined(CONFIG_OPENGL)
738     if (vc->gfx.gls) {
739         if (gtk_use_gl_area) {
740             /* invoke render callback please */
741             return FALSE;
742         } else {
743 #ifdef CONFIG_X11
744             gd_egl_draw(vc);
745             return TRUE;
746 #else
747             abort();
748 #endif
749         }
750     }
751 #endif
752 
753     if (!gtk_widget_get_realized(widget)) {
754         return FALSE;
755     }
756     if (!vc->gfx.ds) {
757         return FALSE;
758     }
759 
760     vc->gfx.dcl.update_interval =
761         gd_monitor_update_interval(vc->window ? vc->window : s->window);
762 
763     fbw = surface_width(vc->gfx.ds);
764     fbh = surface_height(vc->gfx.ds);
765 
766     ww = gdk_window_get_width(gtk_widget_get_window(widget));
767     wh = gdk_window_get_height(gtk_widget_get_window(widget));
768 
769     if (s->full_screen) {
770         vc->gfx.scale_x = (double)ww / fbw;
771         vc->gfx.scale_y = (double)wh / fbh;
772     } else if (s->free_scale) {
773         double sx, sy;
774 
775         sx = (double)ww / fbw;
776         sy = (double)wh / fbh;
777 
778         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
779     }
780 
781     fbw *= vc->gfx.scale_x;
782     fbh *= vc->gfx.scale_y;
783 
784     mx = my = 0;
785     if (ww > fbw) {
786         mx = (ww - fbw) / 2;
787     }
788     if (wh > fbh) {
789         my = (wh - fbh) / 2;
790     }
791 
792     cairo_rectangle(cr, 0, 0, ww, wh);
793 
794     /* Optionally cut out the inner area where the pixmap
795        will be drawn. This avoids 'flashing' since we're
796        not double-buffering. Note we're using the undocumented
797        behaviour of drawing the rectangle from right to left
798        to cut out the whole */
799     cairo_rectangle(cr, mx + fbw, my,
800                     -1 * fbw, fbh);
801     cairo_fill(cr);
802 
803     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
804     cairo_set_source_surface(cr, vc->gfx.surface,
805                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
806     cairo_paint(cr);
807 
808     return TRUE;
809 }
810 
811 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
812                                 void *opaque)
813 {
814     VirtualConsole *vc = opaque;
815     GtkDisplayState *s = vc->s;
816     int x, y;
817     int mx, my;
818     int fbh, fbw;
819     int ww, wh;
820 
821     if (!vc->gfx.ds) {
822         return TRUE;
823     }
824 
825     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
826     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
827 
828     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
829     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
830 
831     mx = my = 0;
832     if (ww > fbw) {
833         mx = (ww - fbw) / 2;
834     }
835     if (wh > fbh) {
836         my = (wh - fbh) / 2;
837     }
838 
839     x = (motion->x - mx) / vc->gfx.scale_x;
840     y = (motion->y - my) / vc->gfx.scale_y;
841 
842     if (qemu_input_is_absolute()) {
843         if (x < 0 || y < 0 ||
844             x >= surface_width(vc->gfx.ds) ||
845             y >= surface_height(vc->gfx.ds)) {
846             return TRUE;
847         }
848         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
849                              0, surface_width(vc->gfx.ds));
850         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
851                              0, surface_height(vc->gfx.ds));
852         qemu_input_event_sync();
853     } else if (s->last_set && s->ptr_owner == vc) {
854         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
855         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
856         qemu_input_event_sync();
857     }
858     s->last_x = x;
859     s->last_y = y;
860     s->last_set = TRUE;
861 
862     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
863         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
864         GdkDisplay *dpy = gtk_widget_get_display(widget);
865         GdkWindow *win = gtk_widget_get_window(widget);
866         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
867         GdkRectangle geometry;
868         int screen_width, screen_height;
869 
870         int x = (int)motion->x_root;
871         int y = (int)motion->y_root;
872 
873         gdk_monitor_get_geometry(monitor, &geometry);
874         screen_width = geometry.width;
875         screen_height = geometry.height;
876 
877         /* In relative mode check to see if client pointer hit
878          * one of the screen edges, and if so move it back by
879          * 200 pixels. This is important because the pointer
880          * in the server doesn't correspond 1-for-1, and so
881          * may still be only half way across the screen. Without
882          * this warp, the server pointer would thus appear to hit
883          * an invisible wall */
884         if (x == 0) {
885             x += 200;
886         }
887         if (y == 0) {
888             y += 200;
889         }
890         if (x == (screen_width - 1)) {
891             x -= 200;
892         }
893         if (y == (screen_height - 1)) {
894             y -= 200;
895         }
896 
897         if (x != (int)motion->x_root || y != (int)motion->y_root) {
898             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
899             gdk_device_warp(dev, screen, x, y);
900             s->last_set = FALSE;
901             return FALSE;
902         }
903     }
904     return TRUE;
905 }
906 
907 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
908                                 void *opaque)
909 {
910     VirtualConsole *vc = opaque;
911     GtkDisplayState *s = vc->s;
912     InputButton btn;
913 
914     /* implicitly grab the input at the first click in the relative mode */
915     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
916         !qemu_input_is_absolute() && s->ptr_owner != vc) {
917         if (!vc->window) {
918             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
919                                            TRUE);
920         } else {
921             gd_grab_pointer(vc, "relative-mode-click");
922         }
923         return TRUE;
924     }
925 
926     if (button->button == 1) {
927         btn = INPUT_BUTTON_LEFT;
928     } else if (button->button == 2) {
929         btn = INPUT_BUTTON_MIDDLE;
930     } else if (button->button == 3) {
931         btn = INPUT_BUTTON_RIGHT;
932     } else if (button->button == 8) {
933         btn = INPUT_BUTTON_SIDE;
934     } else if (button->button == 9) {
935         btn = INPUT_BUTTON_EXTRA;
936     } else {
937         return TRUE;
938     }
939 
940     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
941                          button->type == GDK_BUTTON_PRESS);
942     qemu_input_event_sync();
943     return TRUE;
944 }
945 
946 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
947                                 void *opaque)
948 {
949     VirtualConsole *vc = opaque;
950     InputButton btn;
951 
952     if (scroll->direction == GDK_SCROLL_UP) {
953         btn = INPUT_BUTTON_WHEEL_UP;
954     } else if (scroll->direction == GDK_SCROLL_DOWN) {
955         btn = INPUT_BUTTON_WHEEL_DOWN;
956     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
957         gdouble delta_x, delta_y;
958         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
959                                          &delta_x, &delta_y)) {
960             return TRUE;
961         }
962         if (delta_y == 0) {
963             return TRUE;
964         } else if (delta_y > 0) {
965             btn = INPUT_BUTTON_WHEEL_DOWN;
966         } else {
967             btn = INPUT_BUTTON_WHEEL_UP;
968         }
969     } else {
970         return TRUE;
971     }
972 
973     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
974     qemu_input_event_sync();
975     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
976     qemu_input_event_sync();
977     return TRUE;
978 }
979 
980 
981 static const guint16 *gd_get_keymap(size_t *maplen)
982 {
983     GdkDisplay *dpy = gdk_display_get_default();
984 
985 #ifdef GDK_WINDOWING_X11
986     if (GDK_IS_X11_DISPLAY(dpy)) {
987         trace_gd_keymap_windowing("x11");
988         return qemu_xkeymap_mapping_table(
989             gdk_x11_display_get_xdisplay(dpy), maplen);
990     }
991 #endif
992 
993 #ifdef GDK_WINDOWING_WAYLAND
994     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
995         trace_gd_keymap_windowing("wayland");
996         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
997         return qemu_input_map_xorgevdev_to_qcode;
998     }
999 #endif
1000 
1001 #ifdef GDK_WINDOWING_WIN32
1002     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1003         trace_gd_keymap_windowing("win32");
1004         *maplen = qemu_input_map_atset1_to_qcode_len;
1005         return qemu_input_map_atset1_to_qcode;
1006     }
1007 #endif
1008 
1009 #ifdef GDK_WINDOWING_QUARTZ
1010     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1011         trace_gd_keymap_windowing("quartz");
1012         *maplen = qemu_input_map_osx_to_qcode_len;
1013         return qemu_input_map_osx_to_qcode;
1014     }
1015 #endif
1016 
1017 #ifdef GDK_WINDOWING_BROADWAY
1018     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1019         trace_gd_keymap_windowing("broadway");
1020         g_warning("experimental: using broadway, x11 virtual keysym\n"
1021                   "mapping - with very limited support. See also\n"
1022                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1023         *maplen = qemu_input_map_x11_to_qcode_len;
1024         return qemu_input_map_x11_to_qcode;
1025     }
1026 #endif
1027 
1028     g_warning("Unsupported GDK Windowing platform.\n"
1029               "Disabling extended keycode tables.\n"
1030               "Please report to qemu-devel@nongnu.org\n"
1031               "including the following information:\n"
1032               "\n"
1033               "  - Operating system\n"
1034               "  - GDK Windowing system build\n");
1035     return NULL;
1036 }
1037 
1038 
1039 static int gd_map_keycode(int scancode)
1040 {
1041     if (!keycode_map) {
1042         return 0;
1043     }
1044     if (scancode > keycode_maplen) {
1045         return 0;
1046     }
1047 
1048     return keycode_map[scancode];
1049 }
1050 
1051 static int gd_get_keycode(GdkEventKey *key)
1052 {
1053 #ifdef G_OS_WIN32
1054     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1055 
1056     /* translate Windows native scancodes to atset1 keycodes */
1057     switch (scancode & (KF_EXTENDED | 0xff)) {
1058     case 0x145:     /* NUMLOCK */
1059         return scancode & 0xff;
1060     }
1061 
1062     return scancode & KF_EXTENDED ?
1063         0xe000 | (scancode & 0xff) : scancode & 0xff;
1064 
1065 #else
1066     return key->hardware_keycode;
1067 #endif
1068 }
1069 
1070 static gboolean gd_text_key_down(GtkWidget *widget,
1071                                  GdkEventKey *key, void *opaque)
1072 {
1073     VirtualConsole *vc = opaque;
1074     QemuConsole *con = vc->gfx.dcl.con;
1075 
1076     if (key->keyval == GDK_KEY_Delete) {
1077         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1078     } else if (key->length) {
1079         kbd_put_string_console(con, key->string, key->length);
1080     } else {
1081         int qcode = gd_map_keycode(gd_get_keycode(key));
1082         kbd_put_qcode_console(con, qcode, false);
1083     }
1084     return TRUE;
1085 }
1086 
1087 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1088 {
1089     VirtualConsole *vc = opaque;
1090     int keycode, qcode;
1091 
1092 #ifdef G_OS_WIN32
1093     /* on windows, we ought to ignore the reserved key event? */
1094     if (key->hardware_keycode == 0xff)
1095         return false;
1096 
1097     if (!vc->s->kbd_owner) {
1098         if (key->hardware_keycode == VK_LWIN ||
1099             key->hardware_keycode == VK_RWIN) {
1100             return FALSE;
1101         }
1102     }
1103 #endif
1104 
1105     if (key->keyval == GDK_KEY_Pause
1106 #ifdef G_OS_WIN32
1107         /* for some reason GDK does not fill keyval for VK_PAUSE
1108          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1109          */
1110         || key->hardware_keycode == VK_PAUSE
1111 #endif
1112         ) {
1113         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1114                              key->type == GDK_KEY_PRESS);
1115         return TRUE;
1116     }
1117 
1118     keycode = gd_get_keycode(key);
1119     qcode = gd_map_keycode(keycode);
1120 
1121     trace_gd_key_event(vc->label, keycode, qcode,
1122                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1123 
1124     qkbd_state_key_event(vc->gfx.kbd, qcode,
1125                          key->type == GDK_KEY_PRESS);
1126 
1127     return TRUE;
1128 }
1129 
1130 static gboolean gd_grab_broken_event(GtkWidget *widget,
1131                                      GdkEventGrabBroken *event, void *opaque)
1132 {
1133 #ifdef CONFIG_WIN32
1134     /*
1135      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1136      * key combination leaves all three keys in a stuck condition. We use
1137      * the grab-broken-event to release all keys.
1138      */
1139     if (event->keyboard) {
1140         VirtualConsole *vc = opaque;
1141         GtkDisplayState *s = vc->s;
1142 
1143         gtk_release_modifiers(s);
1144     }
1145 #endif
1146     return TRUE;
1147 }
1148 
1149 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1150 {
1151     if (event->type == GDK_MOTION_NOTIFY) {
1152         return gd_motion_event(widget, &event->motion, opaque);
1153     }
1154     return FALSE;
1155 }
1156 
1157 /** Window Menu Actions **/
1158 
1159 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1160 {
1161     GtkDisplayState *s = opaque;
1162 
1163     if (s->external_pause_update) {
1164         return;
1165     }
1166     if (runstate_is_running()) {
1167         qmp_stop(NULL);
1168     } else {
1169         qmp_cont(NULL);
1170     }
1171 }
1172 
1173 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1174 {
1175     qmp_system_reset(NULL);
1176 }
1177 
1178 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1179 {
1180     qmp_system_powerdown(NULL);
1181 }
1182 
1183 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1184 {
1185     qmp_quit(NULL);
1186 }
1187 
1188 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1189 {
1190     GtkDisplayState *s = opaque;
1191     VirtualConsole *vc = gd_vc_find_by_menu(s);
1192     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1193     gint page;
1194 
1195     gtk_release_modifiers(s);
1196     if (vc) {
1197         page = gtk_notebook_page_num(nb, vc->tab_item);
1198         gtk_notebook_set_current_page(nb, page);
1199         gtk_widget_grab_focus(vc->focus);
1200     }
1201 }
1202 
1203 static void gd_accel_switch_vc(void *opaque)
1204 {
1205     VirtualConsole *vc = opaque;
1206 
1207     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1208 }
1209 
1210 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1211 {
1212     GtkDisplayState *s = opaque;
1213     VirtualConsole *vc = gd_vc_find_current(s);
1214 
1215     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1216         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1217     } else {
1218         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1219     }
1220     gd_update_windowsize(vc);
1221 }
1222 
1223 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1224                                     void *opaque)
1225 {
1226     VirtualConsole *vc = opaque;
1227     GtkDisplayState *s = vc->s;
1228 
1229     gtk_widget_set_sensitive(vc->menu_item, true);
1230     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1231     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1232                                     vc->tab_item, vc->label);
1233     gtk_widget_destroy(vc->window);
1234     vc->window = NULL;
1235     return TRUE;
1236 }
1237 
1238 static gboolean gd_win_grab(void *opaque)
1239 {
1240     VirtualConsole *vc = opaque;
1241 
1242     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1243     if (vc->s->ptr_owner) {
1244         gd_ungrab_pointer(vc->s);
1245     } else {
1246         gd_grab_pointer(vc, "user-request-detached-tab");
1247     }
1248     return TRUE;
1249 }
1250 
1251 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1252 {
1253     GtkDisplayState *s = opaque;
1254     VirtualConsole *vc = gd_vc_find_current(s);
1255 
1256     if (vc->type == GD_VC_GFX &&
1257         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1258         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1259                                        FALSE);
1260     }
1261     if (!vc->window) {
1262         gtk_widget_set_sensitive(vc->menu_item, false);
1263         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1264         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1265 
1266         g_signal_connect(vc->window, "delete-event",
1267                          G_CALLBACK(gd_tab_window_close), vc);
1268         gtk_widget_show_all(vc->window);
1269 
1270         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1271             GtkAccelGroup *ag = gtk_accel_group_new();
1272             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1273 
1274             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1275                                                vc, NULL);
1276             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1277         }
1278 
1279         gd_update_geometry_hints(vc);
1280         gd_update_caption(s);
1281     }
1282 }
1283 
1284 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1285 {
1286     GtkDisplayState *s = opaque;
1287     VirtualConsole *vc = gd_vc_find_current(s);
1288 
1289     if (s->full_screen) {
1290         return;
1291     }
1292 
1293     if (gtk_check_menu_item_get_active(
1294                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1295         gtk_widget_show(s->menu_bar);
1296     } else {
1297         gtk_widget_hide(s->menu_bar);
1298     }
1299     gd_update_windowsize(vc);
1300 }
1301 
1302 static void gd_accel_show_menubar(void *opaque)
1303 {
1304     GtkDisplayState *s = opaque;
1305     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1306 }
1307 
1308 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1309 {
1310     GtkDisplayState *s = opaque;
1311     VirtualConsole *vc = gd_vc_find_current(s);
1312 
1313     if (!s->full_screen) {
1314         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1315         gtk_widget_hide(s->menu_bar);
1316         if (vc->type == GD_VC_GFX) {
1317             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1318         }
1319         gtk_window_fullscreen(GTK_WINDOW(s->window));
1320         s->full_screen = TRUE;
1321     } else {
1322         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1323         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1324         if (gtk_check_menu_item_get_active(
1325                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1326             gtk_widget_show(s->menu_bar);
1327         }
1328         s->full_screen = FALSE;
1329         if (vc->type == GD_VC_GFX) {
1330             vc->gfx.scale_x = 1.0;
1331             vc->gfx.scale_y = 1.0;
1332             gd_update_windowsize(vc);
1333         }
1334     }
1335 
1336     gd_update_cursor(vc);
1337 }
1338 
1339 static void gd_accel_full_screen(void *opaque)
1340 {
1341     GtkDisplayState *s = opaque;
1342     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1343 }
1344 
1345 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1346 {
1347     GtkDisplayState *s = opaque;
1348     VirtualConsole *vc = gd_vc_find_current(s);
1349 
1350     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1351                                    FALSE);
1352 
1353     vc->gfx.scale_x += VC_SCALE_STEP;
1354     vc->gfx.scale_y += VC_SCALE_STEP;
1355 
1356     gd_update_windowsize(vc);
1357 }
1358 
1359 static void gd_accel_zoom_in(void *opaque)
1360 {
1361     GtkDisplayState *s = opaque;
1362     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1363 }
1364 
1365 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1366 {
1367     GtkDisplayState *s = opaque;
1368     VirtualConsole *vc = gd_vc_find_current(s);
1369 
1370     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1371                                    FALSE);
1372 
1373     vc->gfx.scale_x -= VC_SCALE_STEP;
1374     vc->gfx.scale_y -= VC_SCALE_STEP;
1375 
1376     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1377     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1378 
1379     gd_update_windowsize(vc);
1380 }
1381 
1382 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1383 {
1384     GtkDisplayState *s = opaque;
1385     VirtualConsole *vc = gd_vc_find_current(s);
1386 
1387     vc->gfx.scale_x = 1.0;
1388     vc->gfx.scale_y = 1.0;
1389 
1390     gd_update_windowsize(vc);
1391 }
1392 
1393 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1394 {
1395     GtkDisplayState *s = opaque;
1396     VirtualConsole *vc = gd_vc_find_current(s);
1397 
1398     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1399         s->free_scale = TRUE;
1400     } else {
1401         s->free_scale = FALSE;
1402         vc->gfx.scale_x = 1.0;
1403         vc->gfx.scale_y = 1.0;
1404     }
1405 
1406     gd_update_windowsize(vc);
1407     gd_update_full_redraw(vc);
1408 }
1409 
1410 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1411 {
1412     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1413     GdkSeat *seat = gdk_display_get_default_seat(display);
1414     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1415     GdkSeatCapabilities caps = 0;
1416     GdkCursor *cursor = NULL;
1417 
1418     if (kbd) {
1419         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1420     }
1421     if (ptr) {
1422         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1423         cursor = vc->s->null_cursor;
1424     }
1425 
1426     if (caps) {
1427         gdk_seat_grab(seat, window, caps, false, cursor,
1428                       NULL, NULL, NULL);
1429     } else {
1430         gdk_seat_ungrab(seat);
1431     }
1432 }
1433 
1434 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1435 {
1436     if (vc->s->kbd_owner) {
1437         if (vc->s->kbd_owner == vc) {
1438             return;
1439         } else {
1440             gd_ungrab_keyboard(vc->s);
1441         }
1442     }
1443 
1444     win32_kbd_set_grab(true);
1445     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1446     vc->s->kbd_owner = vc;
1447     gd_update_caption(vc->s);
1448     trace_gd_grab(vc->label, "kbd", reason);
1449 }
1450 
1451 static void gd_ungrab_keyboard(GtkDisplayState *s)
1452 {
1453     VirtualConsole *vc = s->kbd_owner;
1454 
1455     if (vc == NULL) {
1456         return;
1457     }
1458     s->kbd_owner = NULL;
1459 
1460     win32_kbd_set_grab(false);
1461     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1462     gd_update_caption(s);
1463     trace_gd_ungrab(vc->label, "kbd");
1464 }
1465 
1466 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1467 {
1468     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1469 
1470     if (vc->s->ptr_owner) {
1471         if (vc->s->ptr_owner == vc) {
1472             return;
1473         } else {
1474             gd_ungrab_pointer(vc->s);
1475         }
1476     }
1477 
1478     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1479     gdk_device_get_position(gd_get_pointer(display),
1480                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1481     vc->s->ptr_owner = vc;
1482     gd_update_caption(vc->s);
1483     trace_gd_grab(vc->label, "ptr", reason);
1484 }
1485 
1486 static void gd_ungrab_pointer(GtkDisplayState *s)
1487 {
1488     VirtualConsole *vc = s->ptr_owner;
1489     GdkDisplay *display;
1490 
1491     if (vc == NULL) {
1492         return;
1493     }
1494     s->ptr_owner = NULL;
1495 
1496     display = gtk_widget_get_display(vc->gfx.drawing_area);
1497     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1498     gdk_device_warp(gd_get_pointer(display),
1499                     gtk_widget_get_screen(vc->gfx.drawing_area),
1500                     vc->s->grab_x_root, vc->s->grab_y_root);
1501     gd_update_caption(s);
1502     trace_gd_ungrab(vc->label, "ptr");
1503 }
1504 
1505 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1506 {
1507     GtkDisplayState *s = opaque;
1508     VirtualConsole *vc = gd_vc_find_current(s);
1509 
1510     if (gd_is_grab_active(s)) {
1511         gd_grab_keyboard(vc, "user-request-main-window");
1512         gd_grab_pointer(vc, "user-request-main-window");
1513     } else {
1514         gd_ungrab_keyboard(s);
1515         gd_ungrab_pointer(s);
1516     }
1517 
1518     gd_update_cursor(vc);
1519 }
1520 
1521 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1522                            gpointer data)
1523 {
1524     GtkDisplayState *s = data;
1525     VirtualConsole *vc;
1526     gboolean on_vga;
1527 
1528     if (!gtk_widget_get_realized(s->notebook)) {
1529         return;
1530     }
1531 
1532     vc = gd_vc_find_by_page(s, arg2);
1533     if (!vc) {
1534         return;
1535     }
1536     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1537                                    TRUE);
1538     on_vga = (vc->type == GD_VC_GFX &&
1539               qemu_console_is_graphic(vc->gfx.dcl.con));
1540     if (!on_vga) {
1541         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1542                                        FALSE);
1543     } else if (s->full_screen) {
1544         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1545                                        TRUE);
1546     }
1547     gtk_widget_set_sensitive(s->grab_item, on_vga);
1548 #ifdef CONFIG_VTE
1549     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1550 #endif
1551 
1552     gd_update_windowsize(vc);
1553     gd_update_cursor(vc);
1554 }
1555 
1556 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1557                                gpointer opaque)
1558 {
1559     VirtualConsole *vc = opaque;
1560     GtkDisplayState *s = vc->s;
1561 
1562     if (gd_grab_on_hover(s)) {
1563         gd_grab_keyboard(vc, "grab-on-hover");
1564     }
1565     return TRUE;
1566 }
1567 
1568 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1569                                gpointer opaque)
1570 {
1571     VirtualConsole *vc = opaque;
1572     GtkDisplayState *s = vc->s;
1573 
1574     if (gd_grab_on_hover(s)) {
1575         gd_ungrab_keyboard(s);
1576     }
1577     return TRUE;
1578 }
1579 
1580 static gboolean gd_focus_in_event(GtkWidget *widget,
1581                                   GdkEventFocus *event, gpointer opaque)
1582 {
1583     VirtualConsole *vc = opaque;
1584 
1585     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1586     return TRUE;
1587 }
1588 
1589 static gboolean gd_focus_out_event(GtkWidget *widget,
1590                                    GdkEventFocus *event, gpointer opaque)
1591 {
1592     VirtualConsole *vc = opaque;
1593     GtkDisplayState *s = vc->s;
1594 
1595     win32_kbd_set_window(NULL);
1596     gtk_release_modifiers(s);
1597     return TRUE;
1598 }
1599 
1600 static gboolean gd_configure(GtkWidget *widget,
1601                              GdkEventConfigure *cfg, gpointer opaque)
1602 {
1603     VirtualConsole *vc = opaque;
1604 
1605     gd_set_ui_info(vc, cfg->width, cfg->height);
1606     return FALSE;
1607 }
1608 
1609 /** Virtual Console Callbacks **/
1610 
1611 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1612                                int idx, GSList *group, GtkWidget *view_menu)
1613 {
1614     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1615     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1616             HOTKEY_MODIFIERS, 0,
1617             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1618     gtk_accel_label_set_accel(
1619             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1620             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1621 
1622     g_signal_connect(vc->menu_item, "activate",
1623                      G_CALLBACK(gd_menu_switch_vc), s);
1624     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1625 
1626     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1627 }
1628 
1629 #if defined(CONFIG_VTE)
1630 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1631 {
1632     GtkDisplayState *s = opaque;
1633     VirtualConsole *vc = gd_vc_find_current(s);
1634 
1635 #if VTE_CHECK_VERSION(0, 50, 0)
1636     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1637                                        VTE_FORMAT_TEXT);
1638 #else
1639     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1640 #endif
1641 }
1642 
1643 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1644 {
1645     VirtualConsole *vc = opaque;
1646 
1647     if (gtk_adjustment_get_upper(adjustment) >
1648         gtk_adjustment_get_page_size(adjustment)) {
1649         gtk_widget_show(vc->vte.scrollbar);
1650     } else {
1651         gtk_widget_hide(vc->vte.scrollbar);
1652     }
1653 }
1654 
1655 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1656 {
1657     VCChardev *vcd = VC_CHARDEV(chr);
1658     VirtualConsole *vc = vcd->console;
1659 
1660     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1661     return len;
1662 }
1663 
1664 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1665 {
1666     VCChardev *vcd = VC_CHARDEV(chr);
1667     VirtualConsole *vc = vcd->console;
1668 
1669     if (vc) {
1670         vc->vte.echo = echo;
1671     } else {
1672         vcd->echo = echo;
1673     }
1674 }
1675 
1676 static int nb_vcs;
1677 static Chardev *vcs[MAX_VCS];
1678 static void gd_vc_open(Chardev *chr,
1679                        ChardevBackend *backend,
1680                        bool *be_opened,
1681                        Error **errp)
1682 {
1683     if (nb_vcs == MAX_VCS) {
1684         error_setg(errp, "Maximum number of consoles reached");
1685         return;
1686     }
1687 
1688     vcs[nb_vcs++] = chr;
1689 
1690     /* console/chardev init sometimes completes elsewhere in a 2nd
1691      * stage, so defer OPENED events until they are fully initialized
1692      */
1693     *be_opened = false;
1694 }
1695 
1696 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1697 {
1698     ChardevClass *cc = CHARDEV_CLASS(oc);
1699 
1700     cc->parse = qemu_chr_parse_vc;
1701     cc->open = gd_vc_open;
1702     cc->chr_write = gd_vc_chr_write;
1703     cc->chr_set_echo = gd_vc_chr_set_echo;
1704 }
1705 
1706 static const TypeInfo char_gd_vc_type_info = {
1707     .name = TYPE_CHARDEV_VC,
1708     .parent = TYPE_CHARDEV,
1709     .instance_size = sizeof(VCChardev),
1710     .class_init = char_gd_vc_class_init,
1711 };
1712 
1713 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1714                          gpointer user_data)
1715 {
1716     VirtualConsole *vc = user_data;
1717 
1718     if (vc->vte.echo) {
1719         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1720         int i;
1721         for (i = 0; i < size; i++) {
1722             uint8_t c = text[i];
1723             if (c >= 128 || isprint(c)) {
1724                 /* 8-bit characters are considered printable.  */
1725                 vte_terminal_feed(term, &text[i], 1);
1726             } else if (c == '\r' || c == '\n') {
1727                 vte_terminal_feed(term, "\r\n", 2);
1728             } else {
1729                 char ctrl[2] = { '^', 0};
1730                 ctrl[1] = text[i] ^ 64;
1731                 vte_terminal_feed(term, ctrl, 2);
1732             }
1733         }
1734     }
1735 
1736     int remaining = size;
1737     uint8_t* p = (uint8_t *)text;
1738     while (remaining > 0) {
1739         int can_write = qemu_chr_be_can_write(vc->vte.chr);
1740         int written = MIN(remaining, can_write);
1741         qemu_chr_be_write(vc->vte.chr, p, written);
1742 
1743         remaining -= written;
1744         p += written;
1745     }
1746     return TRUE;
1747 }
1748 
1749 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1750                               Chardev *chr, int idx,
1751                               GSList *group, GtkWidget *view_menu)
1752 {
1753     char buffer[32];
1754     GtkWidget *box;
1755     GtkWidget *scrollbar;
1756     GtkAdjustment *vadjustment;
1757     VCChardev *vcd = VC_CHARDEV(chr);
1758 
1759     vc->s = s;
1760     vc->vte.echo = vcd->echo;
1761     vc->vte.chr = chr;
1762     vcd->console = vc;
1763 
1764     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1765     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1766                                 ? vc->vte.chr->label : buffer);
1767     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1768 
1769     vc->vte.terminal = vte_terminal_new();
1770     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1771 
1772     /* The documentation says that the default is UTF-8, but actually it is
1773      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1774      * VTE 0.54 (only UTF-8 is supported now). */
1775 #if !VTE_CHECK_VERSION(0, 54, 0)
1776 #if VTE_CHECK_VERSION(0, 38, 0)
1777     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1778 #else
1779     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1780 #endif
1781 #endif
1782 
1783     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1784     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1785                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1786 
1787 #if VTE_CHECK_VERSION(0, 28, 0)
1788     vadjustment = gtk_scrollable_get_vadjustment
1789         (GTK_SCROLLABLE(vc->vte.terminal));
1790 #else
1791     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1792 #endif
1793 
1794     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1795     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1796 
1797     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1798     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1799 
1800     vc->vte.box = box;
1801     vc->vte.scrollbar = scrollbar;
1802 
1803     g_signal_connect(vadjustment, "changed",
1804                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1805 
1806     vc->type = GD_VC_VTE;
1807     vc->tab_item = box;
1808     vc->focus = vc->vte.terminal;
1809     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1810                              gtk_label_new(vc->label));
1811 
1812     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1813 
1814     return group;
1815 }
1816 
1817 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1818                         GtkWidget *view_menu)
1819 {
1820     int i;
1821 
1822     for (i = 0; i < nb_vcs; i++) {
1823         VirtualConsole *vc = &s->vc[s->nb_vcs];
1824         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1825         s->nb_vcs++;
1826     }
1827 }
1828 #endif /* CONFIG_VTE */
1829 
1830 /** Window Creation **/
1831 
1832 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1833 {
1834     g_signal_connect(vc->gfx.drawing_area, "draw",
1835                      G_CALLBACK(gd_draw_event), vc);
1836 #if defined(CONFIG_OPENGL)
1837     if (gtk_use_gl_area) {
1838         /* wire up GtkGlArea events */
1839         g_signal_connect(vc->gfx.drawing_area, "render",
1840                          G_CALLBACK(gd_render_event), vc);
1841         g_signal_connect(vc->gfx.drawing_area, "resize",
1842                          G_CALLBACK(gd_resize_event), vc);
1843     }
1844 #endif
1845     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1846         g_signal_connect(vc->gfx.drawing_area, "event",
1847                          G_CALLBACK(gd_event), vc);
1848         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1849                          G_CALLBACK(gd_button_event), vc);
1850         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1851                          G_CALLBACK(gd_button_event), vc);
1852         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1853                          G_CALLBACK(gd_scroll_event), vc);
1854         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1855                          G_CALLBACK(gd_key_event), vc);
1856         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1857                          G_CALLBACK(gd_key_event), vc);
1858 
1859         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1860                          G_CALLBACK(gd_enter_event), vc);
1861         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1862                          G_CALLBACK(gd_leave_event), vc);
1863         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1864                          G_CALLBACK(gd_focus_in_event), vc);
1865         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1866                          G_CALLBACK(gd_focus_out_event), vc);
1867         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1868                          G_CALLBACK(gd_configure), vc);
1869         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1870                          G_CALLBACK(gd_grab_broken_event), vc);
1871     } else {
1872         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1873                          G_CALLBACK(gd_text_key_down), vc);
1874     }
1875 }
1876 
1877 static void gd_connect_signals(GtkDisplayState *s)
1878 {
1879     g_signal_connect(s->show_tabs_item, "activate",
1880                      G_CALLBACK(gd_menu_show_tabs), s);
1881     g_signal_connect(s->untabify_item, "activate",
1882                      G_CALLBACK(gd_menu_untabify), s);
1883     g_signal_connect(s->show_menubar_item, "activate",
1884                      G_CALLBACK(gd_menu_show_menubar), s);
1885 
1886     g_signal_connect(s->window, "delete-event",
1887                      G_CALLBACK(gd_window_close), s);
1888 
1889     g_signal_connect(s->pause_item, "activate",
1890                      G_CALLBACK(gd_menu_pause), s);
1891     g_signal_connect(s->reset_item, "activate",
1892                      G_CALLBACK(gd_menu_reset), s);
1893     g_signal_connect(s->powerdown_item, "activate",
1894                      G_CALLBACK(gd_menu_powerdown), s);
1895     g_signal_connect(s->quit_item, "activate",
1896                      G_CALLBACK(gd_menu_quit), s);
1897 #if defined(CONFIG_VTE)
1898     g_signal_connect(s->copy_item, "activate",
1899                      G_CALLBACK(gd_menu_copy), s);
1900 #endif
1901     g_signal_connect(s->full_screen_item, "activate",
1902                      G_CALLBACK(gd_menu_full_screen), s);
1903     g_signal_connect(s->zoom_in_item, "activate",
1904                      G_CALLBACK(gd_menu_zoom_in), s);
1905     g_signal_connect(s->zoom_out_item, "activate",
1906                      G_CALLBACK(gd_menu_zoom_out), s);
1907     g_signal_connect(s->zoom_fixed_item, "activate",
1908                      G_CALLBACK(gd_menu_zoom_fixed), s);
1909     g_signal_connect(s->zoom_fit_item, "activate",
1910                      G_CALLBACK(gd_menu_zoom_fit), s);
1911     g_signal_connect(s->grab_item, "activate",
1912                      G_CALLBACK(gd_menu_grab_input), s);
1913     g_signal_connect(s->notebook, "switch-page",
1914                      G_CALLBACK(gd_change_page), s);
1915 }
1916 
1917 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1918 {
1919     GtkWidget *machine_menu;
1920     GtkWidget *separator;
1921 
1922     machine_menu = gtk_menu_new();
1923     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1924 
1925     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1926     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1927 
1928     separator = gtk_separator_menu_item_new();
1929     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1930 
1931     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1932     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1933 
1934     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1935     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1936 
1937     separator = gtk_separator_menu_item_new();
1938     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1939 
1940     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1941     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1942                                  "<QEMU>/Machine/Quit");
1943     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1944                             GDK_KEY_q, HOTKEY_MODIFIERS);
1945     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1946 
1947     return machine_menu;
1948 }
1949 
1950 #if defined(CONFIG_OPENGL)
1951 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
1952 {
1953     gtk_gl_area_make_current(area);
1954     qemu_egl_display = eglGetCurrentDisplay();
1955     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
1956     if (!vc->gfx.has_dmabuf) {
1957         error_report("GtkGLArea console lacks DMABUF support.");
1958     }
1959 }
1960 #endif
1961 
1962 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1963                               QemuConsole *con, int idx,
1964                               GSList *group, GtkWidget *view_menu)
1965 {
1966     bool zoom_to_fit = false;
1967 
1968     vc->label = qemu_console_get_label(con);
1969     vc->s = s;
1970     vc->gfx.scale_x = 1.0;
1971     vc->gfx.scale_y = 1.0;
1972 
1973 #if defined(CONFIG_OPENGL)
1974     if (display_opengl) {
1975         if (gtk_use_gl_area) {
1976             vc->gfx.drawing_area = gtk_gl_area_new();
1977             g_signal_connect(vc->gfx.drawing_area, "realize",
1978                              G_CALLBACK(gl_area_realize), vc);
1979             vc->gfx.dcl.ops = &dcl_gl_area_ops;
1980         } else {
1981 #ifdef CONFIG_X11
1982             vc->gfx.drawing_area = gtk_drawing_area_new();
1983             /*
1984              * gtk_widget_set_double_buffered() was deprecated in 3.14.
1985              * It is required for opengl rendering on X11 though.  A
1986              * proper replacement (native opengl support) is only
1987              * available in 3.16+.  Silence the warning if possible.
1988              */
1989 #pragma GCC diagnostic push
1990 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1991             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1992 #pragma GCC diagnostic pop
1993             vc->gfx.dcl.ops = &dcl_egl_ops;
1994             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
1995 #else
1996             abort();
1997 #endif
1998         }
1999     } else
2000 #endif
2001     {
2002         vc->gfx.drawing_area = gtk_drawing_area_new();
2003         vc->gfx.dcl.ops = &dcl_ops;
2004     }
2005 
2006 
2007     gtk_widget_add_events(vc->gfx.drawing_area,
2008                           GDK_POINTER_MOTION_MASK |
2009                           GDK_BUTTON_PRESS_MASK |
2010                           GDK_BUTTON_RELEASE_MASK |
2011                           GDK_BUTTON_MOTION_MASK |
2012                           GDK_ENTER_NOTIFY_MASK |
2013                           GDK_LEAVE_NOTIFY_MASK |
2014                           GDK_SCROLL_MASK |
2015                           GDK_SMOOTH_SCROLL_MASK |
2016                           GDK_KEY_PRESS_MASK);
2017     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2018 
2019     vc->type = GD_VC_GFX;
2020     vc->tab_item = vc->gfx.drawing_area;
2021     vc->focus = vc->gfx.drawing_area;
2022     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2023                              vc->tab_item, gtk_label_new(vc->label));
2024 
2025     vc->gfx.kbd = qkbd_state_init(con);
2026     vc->gfx.dcl.con = con;
2027 
2028     register_displaychangelistener(&vc->gfx.dcl);
2029 
2030     gd_connect_vc_gfx_signals(vc);
2031     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2032 
2033     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2034         zoom_to_fit = true;
2035     }
2036     if (s->opts->u.gtk.has_zoom_to_fit) {
2037         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2038     }
2039     if (zoom_to_fit) {
2040         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2041         s->free_scale = true;
2042     }
2043 
2044     return group;
2045 }
2046 
2047 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2048 {
2049     GSList *group = NULL;
2050     GtkWidget *view_menu;
2051     GtkWidget *separator;
2052     QemuConsole *con;
2053     int vc;
2054 
2055     view_menu = gtk_menu_new();
2056     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2057 
2058     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2059 
2060 #if defined(CONFIG_VTE)
2061     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2062     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2063 #endif
2064 
2065     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2066             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2067     gtk_accel_label_set_accel(
2068             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2069             GDK_KEY_f, HOTKEY_MODIFIERS);
2070     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2071 
2072     separator = gtk_separator_menu_item_new();
2073     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2074 
2075     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2076     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2077                                  "<QEMU>/View/Zoom In");
2078     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2079                             HOTKEY_MODIFIERS);
2080     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2081             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2082     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2083 
2084     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2085     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2086                                  "<QEMU>/View/Zoom Out");
2087     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2088                             HOTKEY_MODIFIERS);
2089     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2090 
2091     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2092     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2093                                  "<QEMU>/View/Zoom Fixed");
2094     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2095                             HOTKEY_MODIFIERS);
2096     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2097 
2098     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2099     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2100 
2101     separator = gtk_separator_menu_item_new();
2102     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2103 
2104     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2105     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2106 
2107     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2108     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2109                                  "<QEMU>/View/Grab Input");
2110     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2111                             HOTKEY_MODIFIERS);
2112     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2113 
2114     separator = gtk_separator_menu_item_new();
2115     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2116 
2117     /* gfx */
2118     for (vc = 0;; vc++) {
2119         con = qemu_console_lookup_by_index(vc);
2120         if (!con) {
2121             break;
2122         }
2123         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2124                                vc, group, view_menu);
2125         s->nb_vcs++;
2126     }
2127 
2128 #if defined(CONFIG_VTE)
2129     /* vte */
2130     gd_vcs_init(s, group, view_menu);
2131 #endif
2132 
2133     separator = gtk_separator_menu_item_new();
2134     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2135 
2136     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2137     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2138 
2139     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2140     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2141 
2142     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2143             _("Show Menubar"));
2144     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2145                                    TRUE);
2146     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2147             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2148     gtk_accel_label_set_accel(
2149             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2150             GDK_KEY_m, HOTKEY_MODIFIERS);
2151     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2152 
2153     return view_menu;
2154 }
2155 
2156 static void gd_create_menus(GtkDisplayState *s)
2157 {
2158     GtkSettings *settings;
2159 
2160     s->accel_group = gtk_accel_group_new();
2161     s->machine_menu = gd_create_menu_machine(s);
2162     s->view_menu = gd_create_menu_view(s);
2163 
2164     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2165     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2166                               s->machine_menu);
2167     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2168 
2169     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2170     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2171     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2172 
2173     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2174     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2175 
2176     /* Disable the default "F10" menu shortcut. */
2177     settings = gtk_widget_get_settings(s->window);
2178     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2179 }
2180 
2181 
2182 static gboolean gtkinit;
2183 
2184 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2185 {
2186     VirtualConsole *vc;
2187 
2188     GtkDisplayState *s = g_malloc0(sizeof(*s));
2189     GdkDisplay *window_display;
2190     GtkIconTheme *theme;
2191     char *dir;
2192 
2193     if (!gtkinit) {
2194         fprintf(stderr, "gtk initialization failed\n");
2195         exit(1);
2196     }
2197     assert(opts->type == DISPLAY_TYPE_GTK);
2198     s->opts = opts;
2199 
2200     theme = gtk_icon_theme_get_default();
2201     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2202     gtk_icon_theme_prepend_search_path(theme, dir);
2203     g_free(dir);
2204     g_set_prgname("qemu");
2205 
2206     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2207     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2208     s->notebook = gtk_notebook_new();
2209     s->menu_bar = gtk_menu_bar_new();
2210 
2211     s->free_scale = FALSE;
2212 
2213     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2214      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2215      * printable, but without changing any of the character classes to make
2216      * sure that we don't accidentally break implicit assumptions.  */
2217     setlocale(LC_MESSAGES, "");
2218     setlocale(LC_CTYPE, "C.UTF-8");
2219     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2220     bindtextdomain("qemu", dir);
2221     g_free(dir);
2222     bind_textdomain_codeset("qemu", "UTF-8");
2223     textdomain("qemu");
2224 
2225     window_display = gtk_widget_get_display(s->window);
2226     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2227         s->null_cursor = NULL; /* default pointer */
2228     } else {
2229         s->null_cursor = gdk_cursor_new_for_display(window_display,
2230                                                     GDK_BLANK_CURSOR);
2231     }
2232 
2233     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2234     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2235     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2236 
2237     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2238 
2239     gd_create_menus(s);
2240 
2241     gd_connect_signals(s);
2242 
2243     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2244     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2245 
2246     gd_update_caption(s);
2247 
2248     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2249     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2250 
2251     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2252 
2253     gtk_widget_show_all(s->window);
2254 
2255     vc = gd_vc_find_current(s);
2256     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2257 #ifdef CONFIG_VTE
2258     gtk_widget_set_sensitive(s->copy_item,
2259                              vc && vc->type == GD_VC_VTE);
2260 #endif
2261 
2262     if (opts->has_full_screen &&
2263         opts->full_screen) {
2264         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2265     }
2266     if (opts->u.gtk.has_grab_on_hover &&
2267         opts->u.gtk.grab_on_hover) {
2268         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2269     }
2270     gd_clipboard_init(s);
2271 }
2272 
2273 static void early_gtk_display_init(DisplayOptions *opts)
2274 {
2275     /* The QEMU code relies on the assumption that it's always run in
2276      * the C locale. Therefore it is not prepared to deal with
2277      * operations that produce different results depending on the
2278      * locale, such as printf's formatting of decimal numbers, and
2279      * possibly others.
2280      *
2281      * Since GTK+ calls setlocale() by default -importing the locale
2282      * settings from the environment- we must prevent it from doing so
2283      * using gtk_disable_setlocale().
2284      *
2285      * QEMU's GTK+ UI, however, _does_ have translations for some of
2286      * the menu items. As a trade-off between a functionally correct
2287      * QEMU and a fully internationalized UI we support importing
2288      * LC_MESSAGES from the environment (see the setlocale() call
2289      * earlier in this file). This allows us to display translated
2290      * messages leaving everything else untouched.
2291      */
2292     gtk_disable_setlocale();
2293     gtkinit = gtk_init_check(NULL, NULL);
2294     if (!gtkinit) {
2295         /* don't exit yet, that'll break -help */
2296         return;
2297     }
2298 
2299     assert(opts->type == DISPLAY_TYPE_GTK);
2300     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2301 #if defined(CONFIG_OPENGL)
2302 #if defined(GDK_WINDOWING_WAYLAND)
2303         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2304             gtk_use_gl_area = true;
2305             gtk_gl_area_init();
2306         } else
2307 #endif
2308         {
2309 #ifdef CONFIG_X11
2310             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2311             gtk_egl_init(mode);
2312 #endif
2313         }
2314 #endif
2315     }
2316 
2317     keycode_map = gd_get_keymap(&keycode_maplen);
2318 
2319 #if defined(CONFIG_VTE)
2320     type_register(&char_gd_vc_type_info);
2321 #endif
2322 }
2323 
2324 static QemuDisplay qemu_display_gtk = {
2325     .type       = DISPLAY_TYPE_GTK,
2326     .early_init = early_gtk_display_init,
2327     .init       = gtk_display_init,
2328 };
2329 
2330 static void register_gtk(void)
2331 {
2332     qemu_display_register(&qemu_display_gtk);
2333 }
2334 
2335 type_init(register_gtk);
2336 
2337 #ifdef CONFIG_OPENGL
2338 module_dep("ui-opengl");
2339 #endif
2340