xref: /openbmc/qemu/ui/gtk.c (revision 6e6ae491dad9a7ba813c7f1e70ce972c35c2d4ab)
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 #include "qemu/error-report.h"
40 #include "qemu/main-loop.h"
41 
42 #include "ui/console.h"
43 #include "ui/gtk.h"
44 #ifdef G_OS_WIN32
45 #include <gdk/gdkwin32.h>
46 #endif
47 #include "ui/win32-kbd-hook.h"
48 
49 #include <glib/gi18n.h>
50 #include <locale.h>
51 #if defined(CONFIG_VTE)
52 #include <vte/vte.h>
53 #endif
54 #include <math.h>
55 
56 #include "trace.h"
57 #include "ui/input.h"
58 #include "sysemu/runstate.h"
59 #include "sysemu/sysemu.h"
60 #include "keymaps.h"
61 #include "chardev/char.h"
62 #include "qom/object.h"
63 
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 VCChardev {
123     Chardev parent;
124     VirtualConsole *console;
125     bool echo;
126 };
127 typedef struct VCChardev VCChardev;
128 
129 #define TYPE_CHARDEV_VC "chardev-vc"
130 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
131                          TYPE_CHARDEV_VC)
132 
133 static struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX];
134 
135 bool gtk_use_gl_area;
136 
137 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
138 static void gd_ungrab_pointer(GtkDisplayState *s);
139 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
140 static void gd_ungrab_keyboard(GtkDisplayState *s);
141 
142 /** Utility Functions **/
143 
144 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
145 {
146     VirtualConsole *vc;
147     gint i;
148 
149     for (i = 0; i < s->nb_vcs; i++) {
150         vc = &s->vc[i];
151         if (gtk_check_menu_item_get_active
152             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
153             return vc;
154         }
155     }
156     return NULL;
157 }
158 
159 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
160 {
161     VirtualConsole *vc;
162     gint i, p;
163 
164     for (i = 0; i < s->nb_vcs; i++) {
165         vc = &s->vc[i];
166         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
167         if (p == page) {
168             return vc;
169         }
170     }
171     return NULL;
172 }
173 
174 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
175 {
176     gint page;
177 
178     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
179     return gd_vc_find_by_page(s, page);
180 }
181 
182 static bool gd_is_grab_active(GtkDisplayState *s)
183 {
184     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
185 }
186 
187 static bool gd_grab_on_hover(GtkDisplayState *s)
188 {
189     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
190 }
191 
192 static void gd_update_cursor(VirtualConsole *vc)
193 {
194     GtkDisplayState *s = vc->s;
195     GdkWindow *window;
196 
197     if (vc->type != GD_VC_GFX ||
198         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
199         return;
200     }
201 
202     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
203         return;
204     }
205 
206     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
207     if (s->full_screen || qemu_input_is_absolute(vc->gfx.dcl.con) || s->ptr_owner == vc) {
208         gdk_window_set_cursor(window, s->null_cursor);
209     } else {
210         gdk_window_set_cursor(window, NULL);
211     }
212 }
213 
214 static void gd_update_caption(GtkDisplayState *s)
215 {
216     const char *status = "";
217     gchar *prefix;
218     gchar *title;
219     const char *grab = "";
220     bool is_paused = !runstate_is_running();
221     int i;
222 
223     if (qemu_name) {
224         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
225     } else {
226         prefix = g_strdup_printf("QEMU");
227     }
228 
229     if (s->ptr_owner != NULL &&
230         s->ptr_owner->window == NULL) {
231         grab = _(" - Press Ctrl+Alt+G to release grab");
232     }
233 
234     if (is_paused) {
235         status = _(" [Paused]");
236     }
237     s->external_pause_update = true;
238     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
239                                    is_paused);
240     s->external_pause_update = false;
241 
242     title = g_strdup_printf("%s%s%s", prefix, status, grab);
243     gtk_window_set_title(GTK_WINDOW(s->window), title);
244     g_free(title);
245 
246     for (i = 0; i < s->nb_vcs; i++) {
247         VirtualConsole *vc = &s->vc[i];
248 
249         if (!vc->window) {
250             continue;
251         }
252         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
253                                 vc == s->kbd_owner ? " +kbd" : "",
254                                 vc == s->ptr_owner ? " +ptr" : "");
255         gtk_window_set_title(GTK_WINDOW(vc->window), title);
256         g_free(title);
257     }
258 
259     g_free(prefix);
260 }
261 
262 static void gd_update_geometry_hints(VirtualConsole *vc)
263 {
264     GtkDisplayState *s = vc->s;
265     GdkWindowHints mask = 0;
266     GdkGeometry geo = {};
267     GtkWidget *geo_widget = NULL;
268     GtkWindow *geo_window;
269 
270     if (vc->type == GD_VC_GFX) {
271         if (!vc->gfx.ds) {
272             return;
273         }
274         if (s->free_scale) {
275             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
276             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
277             mask |= GDK_HINT_MIN_SIZE;
278         } else {
279             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
280             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
281             mask |= GDK_HINT_MIN_SIZE;
282         }
283         geo_widget = vc->gfx.drawing_area;
284         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
285 
286 #if defined(CONFIG_VTE)
287     } else if (vc->type == GD_VC_VTE) {
288         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
289         GtkBorder padding = { 0 };
290 
291 #if VTE_CHECK_VERSION(0, 37, 0)
292         gtk_style_context_get_padding(
293                 gtk_widget_get_style_context(vc->vte.terminal),
294                 gtk_widget_get_state_flags(vc->vte.terminal),
295                 &padding);
296 #else
297         {
298             GtkBorder *ib = NULL;
299             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
300             if (ib) {
301                 padding = *ib;
302                 gtk_border_free(ib);
303             }
304         }
305 #endif
306 
307         geo.width_inc  = vte_terminal_get_char_width(term);
308         geo.height_inc = vte_terminal_get_char_height(term);
309         mask |= GDK_HINT_RESIZE_INC;
310         geo.base_width  = geo.width_inc;
311         geo.base_height = geo.height_inc;
312         mask |= GDK_HINT_BASE_SIZE;
313         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
314         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
315         mask |= GDK_HINT_MIN_SIZE;
316 
317         geo.base_width  += padding.left + padding.right;
318         geo.base_height += padding.top + padding.bottom;
319         geo.min_width   += padding.left + padding.right;
320         geo.min_height  += padding.top + padding.bottom;
321         geo_widget = vc->vte.terminal;
322 #endif
323     }
324 
325     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
326     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
327 }
328 
329 void gd_update_windowsize(VirtualConsole *vc)
330 {
331     GtkDisplayState *s = vc->s;
332 
333     gd_update_geometry_hints(vc);
334 
335     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
336         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
337                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
338     }
339 }
340 
341 static void gd_update_full_redraw(VirtualConsole *vc)
342 {
343     GtkWidget *area = vc->gfx.drawing_area;
344     int ww, wh;
345     ww = gdk_window_get_width(gtk_widget_get_window(area));
346     wh = gdk_window_get_height(gtk_widget_get_window(area));
347 #if defined(CONFIG_OPENGL)
348     if (vc->gfx.gls && gtk_use_gl_area) {
349         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
350         return;
351     }
352 #endif
353     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
354 }
355 
356 static void gtk_release_modifiers(GtkDisplayState *s)
357 {
358     VirtualConsole *vc = gd_vc_find_current(s);
359 
360     if (vc->type != GD_VC_GFX ||
361         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
362         return;
363     }
364     qkbd_state_lift_all_keys(vc->gfx.kbd);
365 }
366 
367 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
368                                GtkWidget *widget)
369 {
370     g_object_ref(G_OBJECT(widget));
371     gtk_container_remove(GTK_CONTAINER(from), widget);
372     gtk_container_add(GTK_CONTAINER(to), widget);
373     g_object_unref(G_OBJECT(widget));
374 }
375 
376 static void *gd_win32_get_hwnd(VirtualConsole *vc)
377 {
378 #ifdef G_OS_WIN32
379     return gdk_win32_window_get_impl_hwnd(
380         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
381 #else
382     return NULL;
383 #endif
384 }
385 
386 /** DisplayState Callbacks **/
387 
388 static void gd_update(DisplayChangeListener *dcl,
389                       int x, int y, int w, int h)
390 {
391     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
392     GdkWindow *win;
393     int x1, x2, y1, y2;
394     int mx, my;
395     int fbw, fbh;
396     int ww, wh;
397 
398     trace_gd_update(vc->label, x, y, w, h);
399 
400     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
401         return;
402     }
403 
404     if (vc->gfx.convert) {
405         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
406                                NULL, vc->gfx.convert,
407                                x, y, 0, 0, x, y, w, h);
408     }
409 
410     x1 = floor(x * vc->gfx.scale_x);
411     y1 = floor(y * vc->gfx.scale_y);
412 
413     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
414     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
415 
416     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
417     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
418 
419     win = gtk_widget_get_window(vc->gfx.drawing_area);
420     if (!win) {
421         return;
422     }
423     ww = gdk_window_get_width(win);
424     wh = gdk_window_get_height(win);
425 
426     mx = my = 0;
427     if (ww > fbw) {
428         mx = (ww - fbw) / 2;
429     }
430     if (wh > fbh) {
431         my = (wh - fbh) / 2;
432     }
433 
434     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
435                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
436 }
437 
438 static void gd_refresh(DisplayChangeListener *dcl)
439 {
440     graphic_hw_update(dcl->con);
441 }
442 
443 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
444 {
445     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
446 }
447 
448 static void gd_mouse_set(DisplayChangeListener *dcl,
449                          int x, int y, int visible)
450 {
451     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
452     GdkDisplay *dpy;
453     gint x_root, y_root;
454 
455     if (!gtk_widget_get_realized(vc->gfx.drawing_area) ||
456         qemu_input_is_absolute(dcl->con)) {
457         return;
458     }
459 
460     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
461     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
462                                x, y, &x_root, &y_root);
463     gdk_device_warp(gd_get_pointer(dpy),
464                     gtk_widget_get_screen(vc->gfx.drawing_area),
465                     x_root, y_root);
466     vc->s->last_x = x;
467     vc->s->last_y = y;
468 }
469 
470 static void gd_cursor_define(DisplayChangeListener *dcl,
471                              QEMUCursor *c)
472 {
473     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
474     GdkPixbuf *pixbuf;
475     GdkCursor *cursor;
476 
477     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
478         return;
479     }
480 
481     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
482                                       GDK_COLORSPACE_RGB, true, 8,
483                                       c->width, c->height, c->width * 4,
484                                       NULL, NULL);
485     cursor = gdk_cursor_new_from_pixbuf
486         (gtk_widget_get_display(vc->gfx.drawing_area),
487          pixbuf, c->hot_x, c->hot_y);
488     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
489     g_object_unref(pixbuf);
490     g_object_unref(cursor);
491 }
492 
493 static void gd_switch(DisplayChangeListener *dcl,
494                       DisplaySurface *surface)
495 {
496     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
497     bool resized = true;
498 
499     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
500 
501     if (vc->gfx.surface) {
502         cairo_surface_destroy(vc->gfx.surface);
503         vc->gfx.surface = NULL;
504     }
505     if (vc->gfx.convert) {
506         pixman_image_unref(vc->gfx.convert);
507         vc->gfx.convert = NULL;
508     }
509 
510     if (vc->gfx.ds &&
511         surface_width(vc->gfx.ds) == surface_width(surface) &&
512         surface_height(vc->gfx.ds) == surface_height(surface)) {
513         resized = false;
514     }
515     vc->gfx.ds = surface;
516 
517     if (surface_format(surface) == PIXMAN_x8r8g8b8) {
518         /*
519          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
520          *
521          * No need to convert, use surface directly.  Should be the
522          * common case as this is qemu_default_pixelformat(32) too.
523          */
524         vc->gfx.surface = cairo_image_surface_create_for_data
525             (surface_data(surface),
526              CAIRO_FORMAT_RGB24,
527              surface_width(surface),
528              surface_height(surface),
529              surface_stride(surface));
530     } else {
531         /* Must convert surface, use pixman to do it. */
532         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
533                                                    surface_width(surface),
534                                                    surface_height(surface),
535                                                    NULL, 0);
536         vc->gfx.surface = cairo_image_surface_create_for_data
537             ((void *)pixman_image_get_data(vc->gfx.convert),
538              CAIRO_FORMAT_RGB24,
539              pixman_image_get_width(vc->gfx.convert),
540              pixman_image_get_height(vc->gfx.convert),
541              pixman_image_get_stride(vc->gfx.convert));
542         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
543                                NULL, vc->gfx.convert,
544                                0, 0, 0, 0, 0, 0,
545                                pixman_image_get_width(vc->gfx.convert),
546                                pixman_image_get_height(vc->gfx.convert));
547     }
548 
549     if (resized) {
550         gd_update_windowsize(vc);
551     } else {
552         gd_update_full_redraw(vc);
553     }
554 }
555 
556 static const DisplayChangeListenerOps dcl_ops = {
557     .dpy_name             = "gtk",
558     .dpy_gfx_update       = gd_update,
559     .dpy_gfx_switch       = gd_switch,
560     .dpy_gfx_check_format = qemu_pixman_check_format,
561     .dpy_refresh          = gd_refresh,
562     .dpy_mouse_set        = gd_mouse_set,
563     .dpy_cursor_define    = gd_cursor_define,
564 };
565 
566 
567 #if defined(CONFIG_OPENGL)
568 
569 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
570 {
571     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
572 
573     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
574         /* FIXME: Assume it will work, actual check done after realize */
575         /* fixing this would require delaying listener registration */
576         return true;
577     }
578 
579     return vc->gfx.has_dmabuf;
580 }
581 
582 static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
583                                  QemuDmaBuf *dmabuf)
584 {
585 #ifdef CONFIG_GBM
586     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
587 
588     egl_dmabuf_release_texture(dmabuf);
589     if (vc->gfx.guest_fb.dmabuf == dmabuf) {
590         vc->gfx.guest_fb.dmabuf = NULL;
591     }
592 #endif
593 }
594 
595 void gd_hw_gl_flushed(void *vcon)
596 {
597     VirtualConsole *vc = vcon;
598     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
599 
600     if (dmabuf->fence_fd >= 0) {
601         qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
602         close(dmabuf->fence_fd);
603         dmabuf->fence_fd = -1;
604         graphic_hw_gl_block(vc->gfx.dcl.con, false);
605     }
606 }
607 
608 /** DisplayState Callbacks (opengl version) **/
609 
610 static const DisplayChangeListenerOps dcl_gl_area_ops = {
611     .dpy_name             = "gtk-egl",
612     .dpy_gfx_update       = gd_gl_area_update,
613     .dpy_gfx_switch       = gd_gl_area_switch,
614     .dpy_gfx_check_format = console_gl_check_format,
615     .dpy_refresh          = gd_gl_area_refresh,
616     .dpy_mouse_set        = gd_mouse_set,
617     .dpy_cursor_define    = gd_cursor_define,
618 
619     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
620     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
621     .dpy_gl_update           = gd_gl_area_scanout_flush,
622     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
623     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
624     .dpy_has_dmabuf          = gd_has_dmabuf,
625 };
626 
627 static bool
628 gd_gl_area_is_compatible_dcl(DisplayGLCtx *dgc,
629                              DisplayChangeListener *dcl)
630 {
631     return dcl->ops == &dcl_gl_area_ops;
632 }
633 
634 static const DisplayGLCtxOps gl_area_ctx_ops = {
635     .dpy_gl_ctx_is_compatible_dcl = gd_gl_area_is_compatible_dcl,
636     .dpy_gl_ctx_create       = gd_gl_area_create_context,
637     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
638     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
639 };
640 
641 #ifdef CONFIG_X11
642 static const DisplayChangeListenerOps dcl_egl_ops = {
643     .dpy_name             = "gtk-egl",
644     .dpy_gfx_update       = gd_egl_update,
645     .dpy_gfx_switch       = gd_egl_switch,
646     .dpy_gfx_check_format = console_gl_check_format,
647     .dpy_refresh          = gd_egl_refresh,
648     .dpy_mouse_set        = gd_mouse_set,
649     .dpy_cursor_define    = gd_cursor_define,
650 
651     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
652     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
653     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
654     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
655     .dpy_gl_cursor_position  = gd_egl_cursor_position,
656     .dpy_gl_update           = gd_egl_flush,
657     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
658     .dpy_has_dmabuf          = gd_has_dmabuf,
659 };
660 
661 static bool
662 gd_egl_is_compatible_dcl(DisplayGLCtx *dgc,
663                          DisplayChangeListener *dcl)
664 {
665     return dcl->ops == &dcl_egl_ops;
666 }
667 
668 static const DisplayGLCtxOps egl_ctx_ops = {
669     .dpy_gl_ctx_is_compatible_dcl = gd_egl_is_compatible_dcl,
670     .dpy_gl_ctx_create       = gd_egl_create_context,
671     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
672     .dpy_gl_ctx_make_current = gd_egl_make_current,
673 };
674 #endif
675 
676 #endif /* CONFIG_OPENGL */
677 
678 /** QEMU Events **/
679 
680 static void gd_change_runstate(void *opaque, bool running, RunState state)
681 {
682     GtkDisplayState *s = opaque;
683 
684     gd_update_caption(s);
685 }
686 
687 static void gd_mouse_mode_change(Notifier *notify, void *data)
688 {
689     GtkDisplayState *s;
690     int i;
691 
692     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
693     /* release the grab at switching to absolute mode */
694     if (s->ptr_owner && qemu_input_is_absolute(s->ptr_owner->gfx.dcl.con)) {
695         if (!s->ptr_owner->window) {
696             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
697                                            FALSE);
698         } else {
699             gd_ungrab_pointer(s);
700         }
701     }
702     for (i = 0; i < s->nb_vcs; i++) {
703         VirtualConsole *vc = &s->vc[i];
704         gd_update_cursor(vc);
705     }
706 }
707 
708 /** GTK Events **/
709 
710 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
711                                 void *opaque)
712 {
713     GtkDisplayState *s = opaque;
714     bool allow_close = true;
715 
716     if (s->opts->has_window_close && !s->opts->window_close) {
717         allow_close = false;
718     }
719 
720     if (allow_close) {
721         qmp_quit(NULL);
722     }
723 
724     return TRUE;
725 }
726 
727 static void gd_set_ui_refresh_rate(VirtualConsole *vc, int refresh_rate)
728 {
729     QemuUIInfo info;
730 
731     if (!dpy_ui_info_supported(vc->gfx.dcl.con)) {
732         return;
733     }
734 
735     info = *dpy_get_ui_info(vc->gfx.dcl.con);
736     info.refresh_rate = refresh_rate;
737     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
738 }
739 
740 static void gd_set_ui_size(VirtualConsole *vc, gint width, gint height)
741 {
742     QemuUIInfo info;
743 
744     if (!dpy_ui_info_supported(vc->gfx.dcl.con)) {
745         return;
746     }
747 
748     info = *dpy_get_ui_info(vc->gfx.dcl.con);
749     info.width = width;
750     info.height = height;
751     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
752 }
753 
754 #if defined(CONFIG_OPENGL)
755 
756 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
757                                 void *opaque)
758 {
759     VirtualConsole *vc = opaque;
760 
761     if (vc->gfx.gls) {
762         gd_gl_area_draw(vc);
763     }
764     return TRUE;
765 }
766 
767 static void gd_resize_event(GtkGLArea *area,
768                             gint width, gint height, gpointer *opaque)
769 {
770     VirtualConsole *vc = (void *)opaque;
771 
772     gd_set_ui_size(vc, width, height);
773 }
774 
775 #endif
776 
777 void gd_update_monitor_refresh_rate(VirtualConsole *vc, GtkWidget *widget)
778 {
779 #ifdef GDK_VERSION_3_22
780     GdkWindow *win = gtk_widget_get_window(widget);
781     int refresh_rate;
782 
783     if (win) {
784         GdkDisplay *dpy = gtk_widget_get_display(widget);
785         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
786         refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
787     } else {
788         refresh_rate = 0;
789     }
790 
791     gd_set_ui_refresh_rate(vc, refresh_rate);
792 
793     /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
794     vc->gfx.dcl.update_interval = refresh_rate ?
795         MIN(1000 * 1000 / refresh_rate, GUI_REFRESH_INTERVAL_DEFAULT) :
796         GUI_REFRESH_INTERVAL_DEFAULT;
797 #endif
798 }
799 
800 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
801 {
802     VirtualConsole *vc = opaque;
803     GtkDisplayState *s = vc->s;
804     int mx, my;
805     int ww, wh;
806     int fbw, fbh;
807 
808 #if defined(CONFIG_OPENGL)
809     if (vc->gfx.gls) {
810         if (gtk_use_gl_area) {
811             /* invoke render callback please */
812             return FALSE;
813         } else {
814 #ifdef CONFIG_X11
815             gd_egl_draw(vc);
816             return TRUE;
817 #else
818             abort();
819 #endif
820         }
821     }
822 #endif
823 
824     if (!gtk_widget_get_realized(widget)) {
825         return FALSE;
826     }
827     if (!vc->gfx.ds) {
828         return FALSE;
829     }
830     if (!vc->gfx.surface) {
831         return FALSE;
832     }
833 
834     gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : s->window);
835 
836     fbw = surface_width(vc->gfx.ds);
837     fbh = surface_height(vc->gfx.ds);
838 
839     ww = gdk_window_get_width(gtk_widget_get_window(widget));
840     wh = gdk_window_get_height(gtk_widget_get_window(widget));
841 
842     if (s->full_screen) {
843         vc->gfx.scale_x = (double)ww / fbw;
844         vc->gfx.scale_y = (double)wh / fbh;
845     } else if (s->free_scale) {
846         double sx, sy;
847 
848         sx = (double)ww / fbw;
849         sy = (double)wh / fbh;
850 
851         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
852     }
853 
854     fbw *= vc->gfx.scale_x;
855     fbh *= vc->gfx.scale_y;
856 
857     mx = my = 0;
858     if (ww > fbw) {
859         mx = (ww - fbw) / 2;
860     }
861     if (wh > fbh) {
862         my = (wh - fbh) / 2;
863     }
864 
865     cairo_rectangle(cr, 0, 0, ww, wh);
866 
867     /* Optionally cut out the inner area where the pixmap
868        will be drawn. This avoids 'flashing' since we're
869        not double-buffering. Note we're using the undocumented
870        behaviour of drawing the rectangle from right to left
871        to cut out the whole */
872     cairo_rectangle(cr, mx + fbw, my,
873                     -1 * fbw, fbh);
874     cairo_fill(cr);
875 
876     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
877     cairo_set_source_surface(cr, vc->gfx.surface,
878                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
879     cairo_paint(cr);
880 
881     return TRUE;
882 }
883 
884 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
885                                 void *opaque)
886 {
887     VirtualConsole *vc = opaque;
888     GtkDisplayState *s = vc->s;
889     int x, y;
890     int mx, my;
891     int fbh, fbw;
892     int ww, wh, ws;
893 
894     if (!vc->gfx.ds) {
895         return TRUE;
896     }
897 
898     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
899     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
900 
901     ww = gtk_widget_get_allocated_width(widget);
902     wh = gtk_widget_get_allocated_height(widget);
903     ws = gtk_widget_get_scale_factor(widget);
904 
905     mx = my = 0;
906     if (ww > fbw) {
907         mx = (ww - fbw) / 2;
908     }
909     if (wh > fbh) {
910         my = (wh - fbh) / 2;
911     }
912 
913     x = (motion->x - mx) / vc->gfx.scale_x * ws;
914     y = (motion->y - my) / vc->gfx.scale_y * ws;
915 
916     if (qemu_input_is_absolute(vc->gfx.dcl.con)) {
917         if (x < 0 || y < 0 ||
918             x >= surface_width(vc->gfx.ds) ||
919             y >= surface_height(vc->gfx.ds)) {
920             return TRUE;
921         }
922         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
923                              0, surface_width(vc->gfx.ds));
924         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
925                              0, surface_height(vc->gfx.ds));
926         qemu_input_event_sync();
927     } else if (s->last_set && s->ptr_owner == vc) {
928         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
929         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
930         qemu_input_event_sync();
931     }
932     s->last_x = x;
933     s->last_y = y;
934     s->last_set = TRUE;
935 
936     if (!qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner == vc) {
937         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
938         GdkDisplay *dpy = gtk_widget_get_display(widget);
939         GdkWindow *win = gtk_widget_get_window(widget);
940         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
941         GdkRectangle geometry;
942 
943         int xr = (int)motion->x_root;
944         int yr = (int)motion->y_root;
945 
946         gdk_monitor_get_geometry(monitor, &geometry);
947 
948         /* In relative mode check to see if client pointer hit
949          * one of the monitor edges, and if so move it back to the
950          * center of the monitor. This is important because the pointer
951          * in the server doesn't correspond 1-for-1, and so
952          * may still be only half way across the screen. Without
953          * this warp, the server pointer would thus appear to hit
954          * an invisible wall */
955         if (xr <= geometry.x || xr - geometry.x >= geometry.width - 1 ||
956             yr <= geometry.y || yr - geometry.y >= geometry.height - 1) {
957             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
958             xr = geometry.x + geometry.width / 2;
959             yr = geometry.y + geometry.height / 2;
960 
961             gdk_device_warp(dev, screen, xr, yr);
962             s->last_set = FALSE;
963             return FALSE;
964         }
965     }
966     return TRUE;
967 }
968 
969 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
970                                 void *opaque)
971 {
972     VirtualConsole *vc = opaque;
973     GtkDisplayState *s = vc->s;
974     InputButton btn;
975 
976     /* implicitly grab the input at the first click in the relative mode */
977     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
978         !qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner != vc) {
979         if (!vc->window) {
980             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
981                                            TRUE);
982         } else {
983             gd_grab_pointer(vc, "relative-mode-click");
984         }
985         return TRUE;
986     }
987 
988     if (button->button == 1) {
989         btn = INPUT_BUTTON_LEFT;
990     } else if (button->button == 2) {
991         btn = INPUT_BUTTON_MIDDLE;
992     } else if (button->button == 3) {
993         btn = INPUT_BUTTON_RIGHT;
994     } else if (button->button == 8) {
995         btn = INPUT_BUTTON_SIDE;
996     } else if (button->button == 9) {
997         btn = INPUT_BUTTON_EXTRA;
998     } else {
999         return TRUE;
1000     }
1001 
1002     if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
1003         return TRUE;
1004     }
1005 
1006     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1007                          button->type == GDK_BUTTON_PRESS);
1008     qemu_input_event_sync();
1009     return TRUE;
1010 }
1011 
1012 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1013                                 void *opaque)
1014 {
1015     VirtualConsole *vc = opaque;
1016     InputButton btn_vertical;
1017     InputButton btn_horizontal;
1018     bool has_vertical = false;
1019     bool has_horizontal = false;
1020 
1021     if (scroll->direction == GDK_SCROLL_UP) {
1022         btn_vertical = INPUT_BUTTON_WHEEL_UP;
1023         has_vertical = true;
1024     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1025         btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1026         has_vertical = true;
1027     } else if (scroll->direction == GDK_SCROLL_LEFT) {
1028         btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1029         has_horizontal = true;
1030     } else if (scroll->direction == GDK_SCROLL_RIGHT) {
1031         btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1032         has_horizontal = true;
1033     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1034         gdouble delta_x, delta_y;
1035         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1036                                          &delta_x, &delta_y)) {
1037             return TRUE;
1038         }
1039 
1040         if (delta_y > 0) {
1041             btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1042             has_vertical = true;
1043         } else if (delta_y < 0) {
1044             btn_vertical = INPUT_BUTTON_WHEEL_UP;
1045             has_vertical = true;
1046         } else if (delta_x > 0) {
1047             btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1048             has_horizontal = true;
1049         } else if (delta_x < 0) {
1050             btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1051             has_horizontal = true;
1052         } else {
1053             return TRUE;
1054         }
1055     } else {
1056         return TRUE;
1057     }
1058 
1059     if (has_vertical) {
1060         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1061         qemu_input_event_sync();
1062         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1063         qemu_input_event_sync();
1064     }
1065 
1066     if (has_horizontal) {
1067         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1068         qemu_input_event_sync();
1069         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1070         qemu_input_event_sync();
1071     }
1072 
1073     return TRUE;
1074 }
1075 
1076 
1077 static gboolean gd_touch_event(GtkWidget *widget, GdkEventTouch *touch,
1078                                void *opaque)
1079 {
1080     VirtualConsole *vc = opaque;
1081     uint64_t num_slot = GPOINTER_TO_UINT(touch->sequence);
1082     int type = -1;
1083 
1084     switch (touch->type) {
1085     case GDK_TOUCH_BEGIN:
1086         type = INPUT_MULTI_TOUCH_TYPE_BEGIN;
1087         break;
1088     case GDK_TOUCH_UPDATE:
1089         type = INPUT_MULTI_TOUCH_TYPE_UPDATE;
1090         break;
1091     case GDK_TOUCH_END:
1092     case GDK_TOUCH_CANCEL:
1093         type = INPUT_MULTI_TOUCH_TYPE_END;
1094         break;
1095     default:
1096         warn_report("gtk: unexpected touch event type\n");
1097         return FALSE;
1098     }
1099 
1100     console_handle_touch_event(vc->gfx.dcl.con, touch_slots,
1101                                num_slot, surface_width(vc->gfx.ds),
1102                                surface_height(vc->gfx.ds), touch->x,
1103                                touch->y, type, &error_warn);
1104     return TRUE;
1105 }
1106 
1107 static const guint16 *gd_get_keymap(size_t *maplen)
1108 {
1109     GdkDisplay *dpy = gdk_display_get_default();
1110 
1111 #ifdef GDK_WINDOWING_X11
1112     if (GDK_IS_X11_DISPLAY(dpy)) {
1113         trace_gd_keymap_windowing("x11");
1114         return qemu_xkeymap_mapping_table(
1115             gdk_x11_display_get_xdisplay(dpy), maplen);
1116     }
1117 #endif
1118 
1119 #ifdef GDK_WINDOWING_WAYLAND
1120     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1121         trace_gd_keymap_windowing("wayland");
1122         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1123         return qemu_input_map_xorgevdev_to_qcode;
1124     }
1125 #endif
1126 
1127 #ifdef GDK_WINDOWING_WIN32
1128     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1129         trace_gd_keymap_windowing("win32");
1130         *maplen = qemu_input_map_atset1_to_qcode_len;
1131         return qemu_input_map_atset1_to_qcode;
1132     }
1133 #endif
1134 
1135 #ifdef GDK_WINDOWING_QUARTZ
1136     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1137         trace_gd_keymap_windowing("quartz");
1138         *maplen = qemu_input_map_osx_to_qcode_len;
1139         return qemu_input_map_osx_to_qcode;
1140     }
1141 #endif
1142 
1143 #ifdef GDK_WINDOWING_BROADWAY
1144     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1145         trace_gd_keymap_windowing("broadway");
1146         g_warning("experimental: using broadway, x11 virtual keysym\n"
1147                   "mapping - with very limited support. See also\n"
1148                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1149         *maplen = qemu_input_map_x11_to_qcode_len;
1150         return qemu_input_map_x11_to_qcode;
1151     }
1152 #endif
1153 
1154     g_warning("Unsupported GDK Windowing platform.\n"
1155               "Disabling extended keycode tables.\n"
1156               "Please report to qemu-devel@nongnu.org\n"
1157               "including the following information:\n"
1158               "\n"
1159               "  - Operating system\n"
1160               "  - GDK Windowing system build\n");
1161     return NULL;
1162 }
1163 
1164 
1165 static int gd_map_keycode(int scancode)
1166 {
1167     if (!keycode_map) {
1168         return 0;
1169     }
1170     if (scancode > keycode_maplen) {
1171         return 0;
1172     }
1173 
1174     return keycode_map[scancode];
1175 }
1176 
1177 static int gd_get_keycode(GdkEventKey *key)
1178 {
1179 #ifdef G_OS_WIN32
1180     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1181 
1182     /* translate Windows native scancodes to atset1 keycodes */
1183     switch (scancode & (KF_EXTENDED | 0xff)) {
1184     case 0x145:     /* NUMLOCK */
1185         return scancode & 0xff;
1186     }
1187 
1188     return scancode & KF_EXTENDED ?
1189         0xe000 | (scancode & 0xff) : scancode & 0xff;
1190 
1191 #else
1192     return key->hardware_keycode;
1193 #endif
1194 }
1195 
1196 static gboolean gd_text_key_down(GtkWidget *widget,
1197                                  GdkEventKey *key, void *opaque)
1198 {
1199     VirtualConsole *vc = opaque;
1200     QemuTextConsole *con = QEMU_TEXT_CONSOLE(vc->gfx.dcl.con);
1201 
1202     if (key->keyval == GDK_KEY_Delete) {
1203         qemu_text_console_put_qcode(con, Q_KEY_CODE_DELETE, false);
1204     } else if (key->length) {
1205         qemu_text_console_put_string(con, key->string, key->length);
1206     } else {
1207         int qcode = gd_map_keycode(gd_get_keycode(key));
1208         qemu_text_console_put_qcode(con, qcode, false);
1209     }
1210     return TRUE;
1211 }
1212 
1213 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1214 {
1215     VirtualConsole *vc = opaque;
1216     int keycode, qcode;
1217 
1218 #ifdef G_OS_WIN32
1219     /* on windows, we ought to ignore the reserved key event? */
1220     if (key->hardware_keycode == 0xff)
1221         return false;
1222 
1223     if (!vc->s->kbd_owner) {
1224         if (key->hardware_keycode == VK_LWIN ||
1225             key->hardware_keycode == VK_RWIN) {
1226             return FALSE;
1227         }
1228     }
1229 #endif
1230 
1231     if (key->keyval == GDK_KEY_Pause
1232 #ifdef G_OS_WIN32
1233         /* for some reason GDK does not fill keyval for VK_PAUSE
1234          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1235          */
1236         || key->hardware_keycode == VK_PAUSE
1237 #endif
1238         ) {
1239         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1240                              key->type == GDK_KEY_PRESS);
1241         return TRUE;
1242     }
1243 
1244     keycode = gd_get_keycode(key);
1245     qcode = gd_map_keycode(keycode);
1246 
1247     trace_gd_key_event(vc->label, keycode, qcode,
1248                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1249 
1250     qkbd_state_key_event(vc->gfx.kbd, qcode,
1251                          key->type == GDK_KEY_PRESS);
1252 
1253     return TRUE;
1254 }
1255 
1256 static gboolean gd_grab_broken_event(GtkWidget *widget,
1257                                      GdkEventGrabBroken *event, void *opaque)
1258 {
1259 #ifdef CONFIG_WIN32
1260     /*
1261      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1262      * key combination leaves all three keys in a stuck condition. We use
1263      * the grab-broken-event to release all keys.
1264      */
1265     if (event->keyboard) {
1266         VirtualConsole *vc = opaque;
1267         GtkDisplayState *s = vc->s;
1268 
1269         gtk_release_modifiers(s);
1270     }
1271 #endif
1272     return TRUE;
1273 }
1274 
1275 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1276 {
1277     if (event->type == GDK_MOTION_NOTIFY) {
1278         return gd_motion_event(widget, &event->motion, opaque);
1279     }
1280     return FALSE;
1281 }
1282 
1283 /** Window Menu Actions **/
1284 
1285 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1286 {
1287     GtkDisplayState *s = opaque;
1288 
1289     if (s->external_pause_update) {
1290         return;
1291     }
1292     if (runstate_is_running()) {
1293         qmp_stop(NULL);
1294     } else {
1295         qmp_cont(NULL);
1296     }
1297 }
1298 
1299 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1300 {
1301     qmp_system_reset(NULL);
1302 }
1303 
1304 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1305 {
1306     qmp_system_powerdown(NULL);
1307 }
1308 
1309 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1310 {
1311     qmp_quit(NULL);
1312 }
1313 
1314 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1315 {
1316     GtkDisplayState *s = opaque;
1317     VirtualConsole *vc = gd_vc_find_by_menu(s);
1318     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1319     gint page;
1320 
1321     gtk_release_modifiers(s);
1322     if (vc) {
1323         page = gtk_notebook_page_num(nb, vc->tab_item);
1324         gtk_notebook_set_current_page(nb, page);
1325         gtk_widget_grab_focus(vc->focus);
1326     }
1327 }
1328 
1329 static void gd_accel_switch_vc(void *opaque)
1330 {
1331     VirtualConsole *vc = opaque;
1332 
1333     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1334 }
1335 
1336 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1337 {
1338     GtkDisplayState *s = opaque;
1339     VirtualConsole *vc = gd_vc_find_current(s);
1340 
1341     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1342         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1343     } else {
1344         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1345     }
1346     gd_update_windowsize(vc);
1347 }
1348 
1349 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1350                                     void *opaque)
1351 {
1352     VirtualConsole *vc = opaque;
1353     GtkDisplayState *s = vc->s;
1354 
1355     gtk_widget_set_sensitive(vc->menu_item, true);
1356     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1357     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1358                                     vc->tab_item, vc->label);
1359     gtk_widget_destroy(vc->window);
1360     vc->window = NULL;
1361 #if defined(CONFIG_OPENGL)
1362     if (vc->gfx.esurface) {
1363         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1364         vc->gfx.esurface = NULL;
1365     }
1366     if (vc->gfx.ectx) {
1367         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1368         vc->gfx.ectx = NULL;
1369     }
1370 #endif
1371     return TRUE;
1372 }
1373 
1374 static gboolean gd_win_grab(void *opaque)
1375 {
1376     VirtualConsole *vc = opaque;
1377 
1378     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1379     if (vc->s->ptr_owner) {
1380         gd_ungrab_pointer(vc->s);
1381     } else {
1382         gd_grab_pointer(vc, "user-request-detached-tab");
1383     }
1384     return TRUE;
1385 }
1386 
1387 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1388 {
1389     GtkDisplayState *s = opaque;
1390     VirtualConsole *vc = gd_vc_find_current(s);
1391 
1392     if (vc->type == GD_VC_GFX &&
1393         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1394         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1395                                        FALSE);
1396     }
1397     if (!vc->window) {
1398         gtk_widget_set_sensitive(vc->menu_item, false);
1399         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1400 #if defined(CONFIG_OPENGL)
1401         if (vc->gfx.esurface) {
1402             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1403             vc->gfx.esurface = NULL;
1404         }
1405         if (vc->gfx.ectx) {
1406             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1407             vc->gfx.ectx = NULL;
1408         }
1409 #endif
1410         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1411 
1412         g_signal_connect(vc->window, "delete-event",
1413                          G_CALLBACK(gd_tab_window_close), vc);
1414         gtk_widget_show_all(vc->window);
1415 
1416         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1417             GtkAccelGroup *ag = gtk_accel_group_new();
1418             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1419 
1420             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1421                                                vc, NULL);
1422             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1423         }
1424 
1425         gd_update_geometry_hints(vc);
1426         gd_update_caption(s);
1427     }
1428 }
1429 
1430 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1431 {
1432     GtkDisplayState *s = opaque;
1433     VirtualConsole *vc = gd_vc_find_current(s);
1434 
1435     if (s->full_screen) {
1436         return;
1437     }
1438 
1439     if (gtk_check_menu_item_get_active(
1440                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1441         gtk_widget_show(s->menu_bar);
1442     } else {
1443         gtk_widget_hide(s->menu_bar);
1444     }
1445     gd_update_windowsize(vc);
1446 }
1447 
1448 static void gd_accel_show_menubar(void *opaque)
1449 {
1450     GtkDisplayState *s = opaque;
1451     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1452 }
1453 
1454 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1455 {
1456     GtkDisplayState *s = opaque;
1457     VirtualConsole *vc = gd_vc_find_current(s);
1458 
1459     if (!s->full_screen) {
1460         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1461         gtk_widget_hide(s->menu_bar);
1462         if (vc->type == GD_VC_GFX) {
1463             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1464         }
1465         gtk_window_fullscreen(GTK_WINDOW(s->window));
1466         s->full_screen = TRUE;
1467     } else {
1468         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1469         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1470         if (gtk_check_menu_item_get_active(
1471                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1472             gtk_widget_show(s->menu_bar);
1473         }
1474         s->full_screen = FALSE;
1475         if (vc->type == GD_VC_GFX) {
1476             vc->gfx.scale_x = 1.0;
1477             vc->gfx.scale_y = 1.0;
1478             gd_update_windowsize(vc);
1479         }
1480     }
1481 
1482     gd_update_cursor(vc);
1483 }
1484 
1485 static void gd_accel_full_screen(void *opaque)
1486 {
1487     GtkDisplayState *s = opaque;
1488     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1489 }
1490 
1491 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1492 {
1493     GtkDisplayState *s = opaque;
1494     VirtualConsole *vc = gd_vc_find_current(s);
1495 
1496     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1497                                    FALSE);
1498 
1499     vc->gfx.scale_x += VC_SCALE_STEP;
1500     vc->gfx.scale_y += VC_SCALE_STEP;
1501 
1502     gd_update_windowsize(vc);
1503 }
1504 
1505 static void gd_accel_zoom_in(void *opaque)
1506 {
1507     GtkDisplayState *s = opaque;
1508     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1509 }
1510 
1511 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1512 {
1513     GtkDisplayState *s = opaque;
1514     VirtualConsole *vc = gd_vc_find_current(s);
1515 
1516     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1517                                    FALSE);
1518 
1519     vc->gfx.scale_x -= VC_SCALE_STEP;
1520     vc->gfx.scale_y -= VC_SCALE_STEP;
1521 
1522     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1523     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1524 
1525     gd_update_windowsize(vc);
1526 }
1527 
1528 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1529 {
1530     GtkDisplayState *s = opaque;
1531     VirtualConsole *vc = gd_vc_find_current(s);
1532 
1533     vc->gfx.scale_x = 1.0;
1534     vc->gfx.scale_y = 1.0;
1535 
1536     gd_update_windowsize(vc);
1537 }
1538 
1539 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1540 {
1541     GtkDisplayState *s = opaque;
1542     VirtualConsole *vc = gd_vc_find_current(s);
1543 
1544     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1545         s->free_scale = TRUE;
1546     } else {
1547         s->free_scale = FALSE;
1548         vc->gfx.scale_x = 1.0;
1549         vc->gfx.scale_y = 1.0;
1550     }
1551 
1552     gd_update_windowsize(vc);
1553     gd_update_full_redraw(vc);
1554 }
1555 
1556 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1557 {
1558     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1559     GdkSeat *seat = gdk_display_get_default_seat(display);
1560     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1561     GdkSeatCapabilities caps = 0;
1562     GdkCursor *cursor = NULL;
1563 
1564     if (kbd) {
1565         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1566     }
1567     if (ptr) {
1568         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1569         cursor = vc->s->null_cursor;
1570     }
1571 
1572     if (caps) {
1573         gdk_seat_grab(seat, window, caps, false, cursor,
1574                       NULL, NULL, NULL);
1575     } else {
1576         gdk_seat_ungrab(seat);
1577     }
1578 }
1579 
1580 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1581 {
1582     if (vc->s->kbd_owner) {
1583         if (vc->s->kbd_owner == vc) {
1584             return;
1585         } else {
1586             gd_ungrab_keyboard(vc->s);
1587         }
1588     }
1589 
1590     win32_kbd_set_grab(true);
1591     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1592     vc->s->kbd_owner = vc;
1593     gd_update_caption(vc->s);
1594     trace_gd_grab(vc->label, "kbd", reason);
1595 }
1596 
1597 static void gd_ungrab_keyboard(GtkDisplayState *s)
1598 {
1599     VirtualConsole *vc = s->kbd_owner;
1600 
1601     if (vc == NULL) {
1602         return;
1603     }
1604     s->kbd_owner = NULL;
1605 
1606     win32_kbd_set_grab(false);
1607     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1608     gd_update_caption(s);
1609     trace_gd_ungrab(vc->label, "kbd");
1610 }
1611 
1612 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1613 {
1614     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1615 
1616     if (vc->s->ptr_owner) {
1617         if (vc->s->ptr_owner == vc) {
1618             return;
1619         } else {
1620             gd_ungrab_pointer(vc->s);
1621         }
1622     }
1623 
1624     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1625     gdk_device_get_position(gd_get_pointer(display),
1626                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1627     vc->s->ptr_owner = vc;
1628     gd_update_caption(vc->s);
1629     trace_gd_grab(vc->label, "ptr", reason);
1630 }
1631 
1632 static void gd_ungrab_pointer(GtkDisplayState *s)
1633 {
1634     VirtualConsole *vc = s->ptr_owner;
1635     GdkDisplay *display;
1636 
1637     if (vc == NULL) {
1638         return;
1639     }
1640     s->ptr_owner = NULL;
1641 
1642     display = gtk_widget_get_display(vc->gfx.drawing_area);
1643     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1644     gdk_device_warp(gd_get_pointer(display),
1645                     gtk_widget_get_screen(vc->gfx.drawing_area),
1646                     vc->s->grab_x_root, vc->s->grab_y_root);
1647     gd_update_caption(s);
1648     trace_gd_ungrab(vc->label, "ptr");
1649 }
1650 
1651 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1652 {
1653     GtkDisplayState *s = opaque;
1654     VirtualConsole *vc = gd_vc_find_current(s);
1655 
1656     if (gd_is_grab_active(s)) {
1657         gd_grab_keyboard(vc, "user-request-main-window");
1658         gd_grab_pointer(vc, "user-request-main-window");
1659     } else {
1660         gd_ungrab_keyboard(s);
1661         gd_ungrab_pointer(s);
1662     }
1663 
1664     gd_update_cursor(vc);
1665 }
1666 
1667 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1668                            gpointer data)
1669 {
1670     GtkDisplayState *s = data;
1671     VirtualConsole *vc;
1672     gboolean on_vga;
1673 
1674     if (!gtk_widget_get_realized(s->notebook)) {
1675         return;
1676     }
1677 
1678     vc = gd_vc_find_by_page(s, arg2);
1679     if (!vc) {
1680         return;
1681     }
1682     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1683                                    TRUE);
1684     on_vga = (vc->type == GD_VC_GFX &&
1685               qemu_console_is_graphic(vc->gfx.dcl.con));
1686     if (!on_vga) {
1687         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1688                                        FALSE);
1689     } else if (s->full_screen) {
1690         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1691                                        TRUE);
1692     }
1693     gtk_widget_set_sensitive(s->grab_item, on_vga);
1694 #ifdef CONFIG_VTE
1695     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1696 #endif
1697 
1698     gd_update_windowsize(vc);
1699     gd_update_cursor(vc);
1700 }
1701 
1702 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1703                                gpointer opaque)
1704 {
1705     VirtualConsole *vc = opaque;
1706     GtkDisplayState *s = vc->s;
1707 
1708     if (gd_grab_on_hover(s)) {
1709         gd_grab_keyboard(vc, "grab-on-hover");
1710     }
1711     return TRUE;
1712 }
1713 
1714 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1715                                gpointer opaque)
1716 {
1717     VirtualConsole *vc = opaque;
1718     GtkDisplayState *s = vc->s;
1719 
1720     if (gd_grab_on_hover(s)) {
1721         gd_ungrab_keyboard(s);
1722     }
1723     return TRUE;
1724 }
1725 
1726 static gboolean gd_focus_in_event(GtkWidget *widget,
1727                                   GdkEventFocus *event, gpointer opaque)
1728 {
1729     VirtualConsole *vc = opaque;
1730 
1731     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1732     return TRUE;
1733 }
1734 
1735 static gboolean gd_focus_out_event(GtkWidget *widget,
1736                                    GdkEventFocus *event, gpointer opaque)
1737 {
1738     VirtualConsole *vc = opaque;
1739     GtkDisplayState *s = vc->s;
1740 
1741     win32_kbd_set_window(NULL);
1742     gtk_release_modifiers(s);
1743     return TRUE;
1744 }
1745 
1746 static gboolean gd_configure(GtkWidget *widget,
1747                              GdkEventConfigure *cfg, gpointer opaque)
1748 {
1749     VirtualConsole *vc = opaque;
1750 
1751     gd_set_ui_size(vc, cfg->width, cfg->height);
1752     return FALSE;
1753 }
1754 
1755 /** Virtual Console Callbacks **/
1756 
1757 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1758                                int idx, GSList *group, GtkWidget *view_menu)
1759 {
1760     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1761     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1762             HOTKEY_MODIFIERS, 0,
1763             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1764     gtk_accel_label_set_accel(
1765             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1766             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1767 
1768     g_signal_connect(vc->menu_item, "activate",
1769                      G_CALLBACK(gd_menu_switch_vc), s);
1770     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1771 
1772     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1773 }
1774 
1775 #if defined(CONFIG_VTE)
1776 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1777 {
1778     GtkDisplayState *s = opaque;
1779     VirtualConsole *vc = gd_vc_find_current(s);
1780 
1781 #if VTE_CHECK_VERSION(0, 50, 0)
1782     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1783                                        VTE_FORMAT_TEXT);
1784 #else
1785     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1786 #endif
1787 }
1788 
1789 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1790 {
1791     VirtualConsole *vc = opaque;
1792 
1793     if (gtk_adjustment_get_upper(adjustment) >
1794         gtk_adjustment_get_page_size(adjustment)) {
1795         gtk_widget_show(vc->vte.scrollbar);
1796     } else {
1797         gtk_widget_hide(vc->vte.scrollbar);
1798     }
1799 }
1800 
1801 static void gd_vc_send_chars(VirtualConsole *vc)
1802 {
1803     uint32_t len, avail;
1804 
1805     len = qemu_chr_be_can_write(vc->vte.chr);
1806     avail = fifo8_num_used(&vc->vte.out_fifo);
1807     while (len > 0 && avail > 0) {
1808         const uint8_t *buf;
1809         uint32_t size;
1810 
1811         buf = fifo8_pop_buf(&vc->vte.out_fifo, MIN(len, avail), &size);
1812         qemu_chr_be_write(vc->vte.chr, buf, size);
1813         len = qemu_chr_be_can_write(vc->vte.chr);
1814         avail -= size;
1815     }
1816 }
1817 
1818 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1819 {
1820     VCChardev *vcd = VC_CHARDEV(chr);
1821     VirtualConsole *vc = vcd->console;
1822 
1823     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1824     return len;
1825 }
1826 
1827 static void gd_vc_chr_accept_input(Chardev *chr)
1828 {
1829     VCChardev *vcd = VC_CHARDEV(chr);
1830     VirtualConsole *vc = vcd->console;
1831 
1832     if (vc) {
1833         gd_vc_send_chars(vc);
1834     }
1835 }
1836 
1837 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1838 {
1839     VCChardev *vcd = VC_CHARDEV(chr);
1840     VirtualConsole *vc = vcd->console;
1841 
1842     if (vc) {
1843         vc->vte.echo = echo;
1844     } else {
1845         vcd->echo = echo;
1846     }
1847 }
1848 
1849 static int nb_vcs;
1850 static Chardev *vcs[MAX_VCS];
1851 static void gd_vc_open(Chardev *chr,
1852                        ChardevBackend *backend,
1853                        bool *be_opened,
1854                        Error **errp)
1855 {
1856     if (nb_vcs == MAX_VCS) {
1857         error_setg(errp, "Maximum number of consoles reached");
1858         return;
1859     }
1860 
1861     vcs[nb_vcs++] = chr;
1862 
1863     /* console/chardev init sometimes completes elsewhere in a 2nd
1864      * stage, so defer OPENED events until they are fully initialized
1865      */
1866     *be_opened = false;
1867 }
1868 
1869 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1870 {
1871     ChardevClass *cc = CHARDEV_CLASS(oc);
1872 
1873     cc->open = gd_vc_open;
1874     cc->chr_write = gd_vc_chr_write;
1875     cc->chr_accept_input = gd_vc_chr_accept_input;
1876     cc->chr_set_echo = gd_vc_chr_set_echo;
1877 }
1878 
1879 static const TypeInfo char_gd_vc_type_info = {
1880     .name = TYPE_CHARDEV_VC,
1881     .parent = TYPE_CHARDEV,
1882     .instance_size = sizeof(VCChardev),
1883     .class_init = char_gd_vc_class_init,
1884 };
1885 
1886 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1887                          gpointer user_data)
1888 {
1889     VirtualConsole *vc = user_data;
1890     uint32_t free;
1891 
1892     if (vc->vte.echo) {
1893         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1894         int i;
1895         for (i = 0; i < size; i++) {
1896             uint8_t c = text[i];
1897             if (c >= 128 || isprint(c)) {
1898                 /* 8-bit characters are considered printable.  */
1899                 vte_terminal_feed(term, &text[i], 1);
1900             } else if (c == '\r' || c == '\n') {
1901                 vte_terminal_feed(term, "\r\n", 2);
1902             } else {
1903                 char ctrl[2] = { '^', 0};
1904                 ctrl[1] = text[i] ^ 64;
1905                 vte_terminal_feed(term, ctrl, 2);
1906             }
1907         }
1908     }
1909 
1910     free = fifo8_num_free(&vc->vte.out_fifo);
1911     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1912     gd_vc_send_chars(vc);
1913 
1914     return TRUE;
1915 }
1916 
1917 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1918                               Chardev *chr, int idx,
1919                               GSList *group, GtkWidget *view_menu)
1920 {
1921     char buffer[32];
1922     GtkWidget *box;
1923     GtkWidget *scrollbar;
1924     GtkAdjustment *vadjustment;
1925     VCChardev *vcd = VC_CHARDEV(chr);
1926 
1927     vc->s = s;
1928     vc->vte.echo = vcd->echo;
1929     vc->vte.chr = chr;
1930     fifo8_create(&vc->vte.out_fifo, 4096);
1931     vcd->console = vc;
1932 
1933     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1934     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1935                                 ? vc->vte.chr->label : buffer);
1936     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1937 
1938     vc->vte.terminal = vte_terminal_new();
1939     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1940 
1941     /* The documentation says that the default is UTF-8, but actually it is
1942      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1943      * VTE 0.54 (only UTF-8 is supported now). */
1944 #if !VTE_CHECK_VERSION(0, 54, 0)
1945 #if VTE_CHECK_VERSION(0, 38, 0)
1946     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1947 #else
1948     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1949 #endif
1950 #endif
1951 
1952     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1953     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1954                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1955 
1956 #if VTE_CHECK_VERSION(0, 28, 0)
1957     vadjustment = gtk_scrollable_get_vadjustment
1958         (GTK_SCROLLABLE(vc->vte.terminal));
1959 #else
1960     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1961 #endif
1962 
1963     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1964     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1965 
1966     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1967     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1968 
1969     vc->vte.box = box;
1970     vc->vte.scrollbar = scrollbar;
1971 
1972     g_signal_connect(vadjustment, "changed",
1973                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1974 
1975     vc->type = GD_VC_VTE;
1976     vc->tab_item = box;
1977     vc->focus = vc->vte.terminal;
1978     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1979                              gtk_label_new(vc->label));
1980 
1981     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1982 
1983     return group;
1984 }
1985 
1986 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1987                         GtkWidget *view_menu)
1988 {
1989     int i;
1990 
1991     for (i = 0; i < nb_vcs; i++) {
1992         VirtualConsole *vc = &s->vc[s->nb_vcs];
1993         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1994         s->nb_vcs++;
1995     }
1996 }
1997 #endif /* CONFIG_VTE */
1998 
1999 /** Window Creation **/
2000 
2001 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
2002 {
2003     g_signal_connect(vc->gfx.drawing_area, "draw",
2004                      G_CALLBACK(gd_draw_event), vc);
2005 #if defined(CONFIG_OPENGL)
2006     if (gtk_use_gl_area) {
2007         /* wire up GtkGlArea events */
2008         g_signal_connect(vc->gfx.drawing_area, "render",
2009                          G_CALLBACK(gd_render_event), vc);
2010         g_signal_connect(vc->gfx.drawing_area, "resize",
2011                          G_CALLBACK(gd_resize_event), vc);
2012     }
2013 #endif
2014     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
2015         g_signal_connect(vc->gfx.drawing_area, "event",
2016                          G_CALLBACK(gd_event), vc);
2017         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
2018                          G_CALLBACK(gd_button_event), vc);
2019         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
2020                          G_CALLBACK(gd_button_event), vc);
2021         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
2022                          G_CALLBACK(gd_scroll_event), vc);
2023         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2024                          G_CALLBACK(gd_key_event), vc);
2025         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
2026                          G_CALLBACK(gd_key_event), vc);
2027         g_signal_connect(vc->gfx.drawing_area, "touch-event",
2028                          G_CALLBACK(gd_touch_event), vc);
2029 
2030         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
2031                          G_CALLBACK(gd_enter_event), vc);
2032         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
2033                          G_CALLBACK(gd_leave_event), vc);
2034         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
2035                          G_CALLBACK(gd_focus_in_event), vc);
2036         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
2037                          G_CALLBACK(gd_focus_out_event), vc);
2038         g_signal_connect(vc->gfx.drawing_area, "configure-event",
2039                          G_CALLBACK(gd_configure), vc);
2040         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
2041                          G_CALLBACK(gd_grab_broken_event), vc);
2042     } else {
2043         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2044                          G_CALLBACK(gd_text_key_down), vc);
2045     }
2046 }
2047 
2048 static void gd_connect_signals(GtkDisplayState *s)
2049 {
2050     g_signal_connect(s->show_tabs_item, "activate",
2051                      G_CALLBACK(gd_menu_show_tabs), s);
2052     g_signal_connect(s->untabify_item, "activate",
2053                      G_CALLBACK(gd_menu_untabify), s);
2054     g_signal_connect(s->show_menubar_item, "activate",
2055                      G_CALLBACK(gd_menu_show_menubar), s);
2056 
2057     g_signal_connect(s->window, "delete-event",
2058                      G_CALLBACK(gd_window_close), s);
2059 
2060     g_signal_connect(s->pause_item, "activate",
2061                      G_CALLBACK(gd_menu_pause), s);
2062     g_signal_connect(s->reset_item, "activate",
2063                      G_CALLBACK(gd_menu_reset), s);
2064     g_signal_connect(s->powerdown_item, "activate",
2065                      G_CALLBACK(gd_menu_powerdown), s);
2066     g_signal_connect(s->quit_item, "activate",
2067                      G_CALLBACK(gd_menu_quit), s);
2068 #if defined(CONFIG_VTE)
2069     g_signal_connect(s->copy_item, "activate",
2070                      G_CALLBACK(gd_menu_copy), s);
2071 #endif
2072     g_signal_connect(s->full_screen_item, "activate",
2073                      G_CALLBACK(gd_menu_full_screen), s);
2074     g_signal_connect(s->zoom_in_item, "activate",
2075                      G_CALLBACK(gd_menu_zoom_in), s);
2076     g_signal_connect(s->zoom_out_item, "activate",
2077                      G_CALLBACK(gd_menu_zoom_out), s);
2078     g_signal_connect(s->zoom_fixed_item, "activate",
2079                      G_CALLBACK(gd_menu_zoom_fixed), s);
2080     g_signal_connect(s->zoom_fit_item, "activate",
2081                      G_CALLBACK(gd_menu_zoom_fit), s);
2082     g_signal_connect(s->grab_item, "activate",
2083                      G_CALLBACK(gd_menu_grab_input), s);
2084     g_signal_connect(s->notebook, "switch-page",
2085                      G_CALLBACK(gd_change_page), s);
2086 }
2087 
2088 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2089 {
2090     GtkWidget *machine_menu;
2091     GtkWidget *separator;
2092 
2093     machine_menu = gtk_menu_new();
2094     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2095 
2096     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2097     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2098 
2099     separator = gtk_separator_menu_item_new();
2100     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2101 
2102     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2103     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2104 
2105     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2106     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2107 
2108     separator = gtk_separator_menu_item_new();
2109     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2110 
2111     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2112     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2113                                  "<QEMU>/Machine/Quit");
2114     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2115                             GDK_KEY_q, HOTKEY_MODIFIERS);
2116     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2117 
2118     return machine_menu;
2119 }
2120 
2121 #if defined(CONFIG_OPENGL)
2122 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2123 {
2124     gtk_gl_area_make_current(area);
2125     qemu_egl_display = eglGetCurrentDisplay();
2126     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2127     if (!vc->gfx.has_dmabuf) {
2128         error_report("GtkGLArea console lacks DMABUF support.");
2129     }
2130 }
2131 #endif
2132 
2133 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2134                               QemuConsole *con, int idx,
2135                               GSList *group, GtkWidget *view_menu)
2136 {
2137     bool zoom_to_fit = false;
2138     int i;
2139 
2140     vc->label = qemu_console_get_label(con);
2141     vc->s = s;
2142     vc->gfx.scale_x = 1.0;
2143     vc->gfx.scale_y = 1.0;
2144 
2145 #if defined(CONFIG_OPENGL)
2146     if (display_opengl) {
2147         if (gtk_use_gl_area) {
2148             vc->gfx.drawing_area = gtk_gl_area_new();
2149             g_signal_connect(vc->gfx.drawing_area, "realize",
2150                              G_CALLBACK(gl_area_realize), vc);
2151             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2152             vc->gfx.dgc.ops = &gl_area_ctx_ops;
2153         } else {
2154 #ifdef CONFIG_X11
2155             vc->gfx.drawing_area = gtk_drawing_area_new();
2156             /*
2157              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2158              * It is required for opengl rendering on X11 though.  A
2159              * proper replacement (native opengl support) is only
2160              * available in 3.16+.  Silence the warning if possible.
2161              */
2162 #pragma GCC diagnostic push
2163 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2164             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2165 #pragma GCC diagnostic pop
2166             vc->gfx.dcl.ops = &dcl_egl_ops;
2167             vc->gfx.dgc.ops = &egl_ctx_ops;
2168             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2169 #else
2170             abort();
2171 #endif
2172         }
2173     } else
2174 #endif
2175     {
2176         vc->gfx.drawing_area = gtk_drawing_area_new();
2177         vc->gfx.dcl.ops = &dcl_ops;
2178     }
2179 
2180 
2181     gtk_widget_add_events(vc->gfx.drawing_area,
2182                           GDK_POINTER_MOTION_MASK |
2183                           GDK_BUTTON_PRESS_MASK |
2184                           GDK_BUTTON_RELEASE_MASK |
2185                           GDK_BUTTON_MOTION_MASK |
2186                           GDK_TOUCH_MASK |
2187                           GDK_ENTER_NOTIFY_MASK |
2188                           GDK_LEAVE_NOTIFY_MASK |
2189                           GDK_SCROLL_MASK |
2190                           GDK_SMOOTH_SCROLL_MASK |
2191                           GDK_KEY_PRESS_MASK);
2192     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2193 
2194     vc->type = GD_VC_GFX;
2195     vc->tab_item = vc->gfx.drawing_area;
2196     vc->focus = vc->gfx.drawing_area;
2197     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2198                              vc->tab_item, gtk_label_new(vc->label));
2199 
2200     vc->gfx.kbd = qkbd_state_init(con);
2201     vc->gfx.dcl.con = con;
2202 
2203     if (display_opengl) {
2204         qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2205     }
2206     register_displaychangelistener(&vc->gfx.dcl);
2207 
2208     gd_connect_vc_gfx_signals(vc);
2209     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2210 
2211     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2212         zoom_to_fit = true;
2213     }
2214     if (s->opts->u.gtk.has_zoom_to_fit) {
2215         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2216     }
2217     if (zoom_to_fit) {
2218         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2219         s->free_scale = true;
2220     }
2221 
2222     for (i = 0; i < INPUT_EVENT_SLOTS_MAX; i++) {
2223         struct touch_slot *slot = &touch_slots[i];
2224         slot->tracking_id = -1;
2225     }
2226 
2227     return group;
2228 }
2229 
2230 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, DisplayOptions *opts)
2231 {
2232     GSList *group = NULL;
2233     GtkWidget *view_menu;
2234     GtkWidget *separator;
2235     QemuConsole *con;
2236     int vc;
2237 
2238     view_menu = gtk_menu_new();
2239     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2240 
2241     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2242 
2243 #if defined(CONFIG_VTE)
2244     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2245     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2246 #endif
2247 
2248     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2249             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2250     gtk_accel_label_set_accel(
2251             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2252             GDK_KEY_f, HOTKEY_MODIFIERS);
2253     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2254 
2255     separator = gtk_separator_menu_item_new();
2256     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2257 
2258     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2259     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2260                                  "<QEMU>/View/Zoom In");
2261     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2262                             HOTKEY_MODIFIERS);
2263     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2264             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2265     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2266 
2267     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2268     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2269                                  "<QEMU>/View/Zoom Out");
2270     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2271                             HOTKEY_MODIFIERS);
2272     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2273 
2274     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2275     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2276                                  "<QEMU>/View/Zoom Fixed");
2277     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2278                             HOTKEY_MODIFIERS);
2279     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2280 
2281     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2282     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2283 
2284     separator = gtk_separator_menu_item_new();
2285     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2286 
2287     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2288     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2289 
2290     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2291     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2292                                  "<QEMU>/View/Grab Input");
2293     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2294                             HOTKEY_MODIFIERS);
2295     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2296 
2297     separator = gtk_separator_menu_item_new();
2298     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2299 
2300     /* gfx */
2301     for (vc = 0;; vc++) {
2302         con = qemu_console_lookup_by_index(vc);
2303         if (!con) {
2304             break;
2305         }
2306         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2307                                vc, group, view_menu);
2308         s->nb_vcs++;
2309     }
2310 
2311 #if defined(CONFIG_VTE)
2312     /* vte */
2313     gd_vcs_init(s, group, view_menu);
2314 #endif
2315 
2316     separator = gtk_separator_menu_item_new();
2317     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2318 
2319     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2320     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2321 
2322     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2323     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2324 
2325     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2326             _("Show Menubar"));
2327     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2328                                    !opts->u.gtk.has_show_menubar ||
2329                                    opts->u.gtk.show_menubar);
2330     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2331             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2332     gtk_accel_label_set_accel(
2333             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2334             GDK_KEY_m, HOTKEY_MODIFIERS);
2335     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2336 
2337     return view_menu;
2338 }
2339 
2340 static void gd_create_menus(GtkDisplayState *s, DisplayOptions *opts)
2341 {
2342     GtkSettings *settings;
2343 
2344     s->accel_group = gtk_accel_group_new();
2345     s->machine_menu = gd_create_menu_machine(s);
2346     s->view_menu = gd_create_menu_view(s, opts);
2347 
2348     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2349     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2350                               s->machine_menu);
2351     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2352 
2353     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2354     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2355     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2356 
2357     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2358     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2359 
2360     /* Disable the default "F10" menu shortcut. */
2361     settings = gtk_widget_get_settings(s->window);
2362     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2363 }
2364 
2365 
2366 static gboolean gtkinit;
2367 
2368 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2369 {
2370     VirtualConsole *vc;
2371 
2372     GtkDisplayState *s;
2373     GdkDisplay *window_display;
2374     GtkIconTheme *theme;
2375     char *dir;
2376     int idx;
2377 
2378     if (!gtkinit) {
2379         fprintf(stderr, "gtk initialization failed\n");
2380         exit(1);
2381     }
2382     assert(opts->type == DISPLAY_TYPE_GTK);
2383     s = g_malloc0(sizeof(*s));
2384     s->opts = opts;
2385 
2386     theme = gtk_icon_theme_get_default();
2387     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2388     gtk_icon_theme_prepend_search_path(theme, dir);
2389     g_free(dir);
2390     g_set_prgname("qemu");
2391 
2392     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2393     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2394     s->notebook = gtk_notebook_new();
2395     s->menu_bar = gtk_menu_bar_new();
2396 
2397     s->free_scale = FALSE;
2398 
2399     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2400      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2401      * printable, but without changing any of the character classes to make
2402      * sure that we don't accidentally break implicit assumptions.  */
2403     setlocale(LC_MESSAGES, "");
2404     setlocale(LC_CTYPE, "C.UTF-8");
2405     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2406     bindtextdomain("qemu", dir);
2407     g_free(dir);
2408     bind_textdomain_codeset("qemu", "UTF-8");
2409     textdomain("qemu");
2410 
2411     window_display = gtk_widget_get_display(s->window);
2412     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2413         s->null_cursor = NULL; /* default pointer */
2414     } else {
2415         s->null_cursor = gdk_cursor_new_for_display(window_display,
2416                                                     GDK_BLANK_CURSOR);
2417     }
2418 
2419     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2420     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2421     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2422 
2423     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2424 
2425     gd_create_menus(s, opts);
2426 
2427     gd_connect_signals(s);
2428 
2429     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2430     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2431 
2432     gd_update_caption(s);
2433 
2434     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2435     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2436 
2437     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2438 
2439     gtk_widget_show_all(s->window);
2440 
2441     for (idx = 0;; idx++) {
2442         QemuConsole *con = qemu_console_lookup_by_index(idx);
2443         if (!con) {
2444             break;
2445         }
2446         gtk_widget_realize(s->vc[idx].gfx.drawing_area);
2447     }
2448 
2449     if (opts->u.gtk.has_show_menubar &&
2450         !opts->u.gtk.show_menubar) {
2451         gtk_widget_hide(s->menu_bar);
2452     }
2453 
2454     vc = gd_vc_find_current(s);
2455     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2456 #ifdef CONFIG_VTE
2457     gtk_widget_set_sensitive(s->copy_item,
2458                              vc && vc->type == GD_VC_VTE);
2459 #endif
2460 
2461     if (opts->has_full_screen &&
2462         opts->full_screen) {
2463         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2464     }
2465     if (opts->u.gtk.has_grab_on_hover &&
2466         opts->u.gtk.grab_on_hover) {
2467         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2468     }
2469     if (opts->u.gtk.has_show_tabs &&
2470         opts->u.gtk.show_tabs) {
2471         gtk_menu_item_activate(GTK_MENU_ITEM(s->show_tabs_item));
2472     }
2473 #ifdef CONFIG_GTK_CLIPBOARD
2474     gd_clipboard_init(s);
2475 #endif /* CONFIG_GTK_CLIPBOARD */
2476 }
2477 
2478 static void early_gtk_display_init(DisplayOptions *opts)
2479 {
2480     /* The QEMU code relies on the assumption that it's always run in
2481      * the C locale. Therefore it is not prepared to deal with
2482      * operations that produce different results depending on the
2483      * locale, such as printf's formatting of decimal numbers, and
2484      * possibly others.
2485      *
2486      * Since GTK+ calls setlocale() by default -importing the locale
2487      * settings from the environment- we must prevent it from doing so
2488      * using gtk_disable_setlocale().
2489      *
2490      * QEMU's GTK+ UI, however, _does_ have translations for some of
2491      * the menu items. As a trade-off between a functionally correct
2492      * QEMU and a fully internationalized UI we support importing
2493      * LC_MESSAGES from the environment (see the setlocale() call
2494      * earlier in this file). This allows us to display translated
2495      * messages leaving everything else untouched.
2496      */
2497     gtk_disable_setlocale();
2498     gtkinit = gtk_init_check(NULL, NULL);
2499     if (!gtkinit) {
2500         /* don't exit yet, that'll break -help */
2501         return;
2502     }
2503 
2504     assert(opts->type == DISPLAY_TYPE_GTK);
2505     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2506 #if defined(CONFIG_OPENGL)
2507 #if defined(GDK_WINDOWING_WAYLAND)
2508         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2509             gtk_use_gl_area = true;
2510             gtk_gl_area_init();
2511         } else
2512 #endif
2513 #if defined(GDK_WINDOWING_WIN32)
2514         if (GDK_IS_WIN32_DISPLAY(gdk_display_get_default())) {
2515             gtk_use_gl_area = true;
2516             gtk_gl_area_init();
2517         } else
2518 #endif
2519         {
2520 #ifdef CONFIG_X11
2521             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2522             gtk_egl_init(mode);
2523 #endif
2524         }
2525 #endif
2526     }
2527 
2528     keycode_map = gd_get_keymap(&keycode_maplen);
2529 
2530 #if defined(CONFIG_VTE)
2531     type_register(&char_gd_vc_type_info);
2532 #endif
2533 }
2534 
2535 static QemuDisplay qemu_display_gtk = {
2536     .type       = DISPLAY_TYPE_GTK,
2537     .early_init = early_gtk_display_init,
2538     .init       = gtk_display_init,
2539     .vc         = "vc",
2540 };
2541 
2542 static void register_gtk(void)
2543 {
2544     qemu_display_register(&qemu_display_gtk);
2545 }
2546 
2547 type_init(register_gtk);
2548 
2549 #ifdef CONFIG_OPENGL
2550 module_dep("ui-opengl");
2551 #endif
2552