xref: /qemu/ui/gtk.c (revision db65ac5e258e75e9aec45626bf1071626094e057)
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 #include "qemu-main.h"
42 
43 #include "ui/console.h"
44 #include "ui/gtk.h"
45 #ifdef G_OS_WIN32
46 #include <gdk/gdkwin32.h>
47 #endif
48 #include "ui/win32-kbd-hook.h"
49 
50 #include <glib/gi18n.h>
51 #include <locale.h>
52 #if defined(CONFIG_VTE)
53 #include <vte/vte.h>
54 #endif
55 #include <math.h>
56 
57 #include "trace.h"
58 #include "ui/input.h"
59 #include "system/runstate.h"
60 #include "system/system.h"
61 #include "keymaps.h"
62 #include "chardev/char.h"
63 #include "qom/object.h"
64 
65 #define VC_WINDOW_X_MIN  320
66 #define VC_WINDOW_Y_MIN  240
67 #define VC_TERM_X_MIN     80
68 #define VC_TERM_Y_MIN     25
69 #define VC_SCALE_MIN    0.25
70 #define VC_SCALE_STEP   0.25
71 
72 #ifdef GDK_WINDOWING_X11
73 #include "x_keymap.h"
74 
75 /* Gtk2 compat */
76 #ifndef GDK_IS_X11_DISPLAY
77 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
78 #endif
79 #endif
80 
81 
82 #ifdef GDK_WINDOWING_WAYLAND
83 /* Gtk2 compat */
84 #ifndef GDK_IS_WAYLAND_DISPLAY
85 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
86 #endif
87 #endif
88 
89 
90 #ifdef GDK_WINDOWING_WIN32
91 /* Gtk2 compat */
92 #ifndef GDK_IS_WIN32_DISPLAY
93 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
94 #endif
95 #endif
96 
97 
98 #ifdef GDK_WINDOWING_BROADWAY
99 /* Gtk2 compat */
100 #ifndef GDK_IS_BROADWAY_DISPLAY
101 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
102 #endif
103 #endif
104 
105 
106 #ifdef GDK_WINDOWING_QUARTZ
107 /* Gtk2 compat */
108 #ifndef GDK_IS_QUARTZ_DISPLAY
109 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
110 #endif
111 #endif
112 
113 
114 #if !defined(CONFIG_VTE)
115 # define VTE_CHECK_VERSION(a, b, c) 0
116 #endif
117 
118 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
119 
120 static const guint16 *keycode_map;
121 static size_t keycode_maplen;
122 
123 struct VCChardev {
124     Chardev parent;
125     VirtualConsole *console;
126     bool echo;
127 };
128 typedef struct VCChardev VCChardev;
129 
130 #define TYPE_CHARDEV_VC "chardev-vc"
131 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
132                          TYPE_CHARDEV_VC)
133 
134 static struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX];
135 
136 bool gtk_use_gl_area;
137 
138 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
139 static void gd_ungrab_pointer(GtkDisplayState *s);
140 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
141 static void gd_ungrab_keyboard(GtkDisplayState *s);
142 
143 /** Utility Functions **/
144 
145 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
146 {
147     VirtualConsole *vc;
148     gint i;
149 
150     for (i = 0; i < s->nb_vcs; i++) {
151         vc = &s->vc[i];
152         if (gtk_check_menu_item_get_active
153             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
154             return vc;
155         }
156     }
157     return NULL;
158 }
159 
160 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
161 {
162     VirtualConsole *vc;
163     gint i, p;
164 
165     for (i = 0; i < s->nb_vcs; i++) {
166         vc = &s->vc[i];
167         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
168         if (p == page) {
169             return vc;
170         }
171     }
172     return NULL;
173 }
174 
175 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
176 {
177     gint page;
178 
179     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
180     return gd_vc_find_by_page(s, page);
181 }
182 
183 static bool gd_is_grab_active(GtkDisplayState *s)
184 {
185     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
186 }
187 
188 static bool gd_grab_on_hover(GtkDisplayState *s)
189 {
190     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
191 }
192 
193 static void gd_update_cursor(VirtualConsole *vc)
194 {
195     GtkDisplayState *s = vc->s;
196     GdkWindow *window;
197 
198     if (vc->type != GD_VC_GFX ||
199         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
200         return;
201     }
202 
203     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
204         return;
205     }
206 
207     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
208     if (s->full_screen || qemu_input_is_absolute(vc->gfx.dcl.con) || s->ptr_owner == vc) {
209         gdk_window_set_cursor(window, s->null_cursor);
210     } else {
211         gdk_window_set_cursor(window, NULL);
212     }
213 }
214 
215 static void gd_update_caption(GtkDisplayState *s)
216 {
217     const char *status = "";
218     gchar *prefix;
219     gchar *title;
220     const char *grab = "";
221     bool is_paused = !runstate_is_running();
222     int i;
223 
224     if (qemu_name) {
225         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
226     } else {
227         prefix = g_strdup_printf("QEMU");
228     }
229 
230     if (s->ptr_owner != NULL &&
231         s->ptr_owner->window == NULL) {
232         grab = _(" - Press Ctrl+Alt+G to release grab");
233     }
234 
235     if (is_paused) {
236         status = _(" [Paused]");
237     }
238     s->external_pause_update = true;
239     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
240                                    is_paused);
241     s->external_pause_update = false;
242 
243     title = g_strdup_printf("%s%s%s", prefix, status, grab);
244     gtk_window_set_title(GTK_WINDOW(s->window), title);
245     g_free(title);
246 
247     for (i = 0; i < s->nb_vcs; i++) {
248         VirtualConsole *vc = &s->vc[i];
249 
250         if (!vc->window) {
251             continue;
252         }
253         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
254                                 vc == s->kbd_owner ? " +kbd" : "",
255                                 vc == s->ptr_owner ? " +ptr" : "");
256         gtk_window_set_title(GTK_WINDOW(vc->window), title);
257         g_free(title);
258     }
259 
260     g_free(prefix);
261 }
262 
263 static void gd_update_geometry_hints(VirtualConsole *vc)
264 {
265     GtkDisplayState *s = vc->s;
266     GdkWindowHints mask = 0;
267     GdkGeometry geo = {};
268     GtkWidget *geo_widget = NULL;
269     GtkWindow *geo_window;
270 
271     if (vc->type == GD_VC_GFX) {
272         if (!vc->gfx.ds) {
273             return;
274         }
275         if (s->free_scale) {
276             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
277             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
278             mask |= GDK_HINT_MIN_SIZE;
279         } else {
280             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
281             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
282             mask |= GDK_HINT_MIN_SIZE;
283         }
284         geo_widget = vc->gfx.drawing_area;
285         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
286 
287 #if defined(CONFIG_VTE)
288     } else if (vc->type == GD_VC_VTE) {
289         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
290         GtkBorder padding = { 0 };
291 
292 #if VTE_CHECK_VERSION(0, 37, 0)
293         gtk_style_context_get_padding(
294                 gtk_widget_get_style_context(vc->vte.terminal),
295                 gtk_widget_get_state_flags(vc->vte.terminal),
296                 &padding);
297 #else
298         {
299             GtkBorder *ib = NULL;
300             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
301             if (ib) {
302                 padding = *ib;
303                 gtk_border_free(ib);
304             }
305         }
306 #endif
307 
308         geo.width_inc  = vte_terminal_get_char_width(term);
309         geo.height_inc = vte_terminal_get_char_height(term);
310         mask |= GDK_HINT_RESIZE_INC;
311         geo.base_width  = geo.width_inc;
312         geo.base_height = geo.height_inc;
313         mask |= GDK_HINT_BASE_SIZE;
314         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
315         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
316         mask |= GDK_HINT_MIN_SIZE;
317 
318         geo.base_width  += padding.left + padding.right;
319         geo.base_height += padding.top + padding.bottom;
320         geo.min_width   += padding.left + padding.right;
321         geo.min_height  += padding.top + padding.bottom;
322         geo_widget = vc->vte.terminal;
323 #endif
324     }
325 
326     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
327     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
328 }
329 
330 void gd_update_windowsize(VirtualConsole *vc)
331 {
332     GtkDisplayState *s = vc->s;
333 
334     gd_update_geometry_hints(vc);
335 
336     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
337         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
338                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
339     }
340 }
341 
342 static void gd_update_full_redraw(VirtualConsole *vc)
343 {
344     GtkWidget *area = vc->gfx.drawing_area;
345     int ww, wh;
346     ww = gdk_window_get_width(gtk_widget_get_window(area));
347     wh = gdk_window_get_height(gtk_widget_get_window(area));
348 #if defined(CONFIG_OPENGL)
349     if (vc->gfx.gls && gtk_use_gl_area) {
350         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
351         return;
352     }
353 #endif
354     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
355 }
356 
357 static void gtk_release_modifiers(GtkDisplayState *s)
358 {
359     VirtualConsole *vc = gd_vc_find_current(s);
360 
361     if (vc->type != GD_VC_GFX ||
362         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
363         return;
364     }
365     qkbd_state_lift_all_keys(vc->gfx.kbd);
366 }
367 
368 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
369                                GtkWidget *widget)
370 {
371     g_object_ref(G_OBJECT(widget));
372     gtk_container_remove(GTK_CONTAINER(from), widget);
373     gtk_container_add(GTK_CONTAINER(to), widget);
374     g_object_unref(G_OBJECT(widget));
375 }
376 
377 static void *gd_win32_get_hwnd(VirtualConsole *vc)
378 {
379 #ifdef G_OS_WIN32
380     return gdk_win32_window_get_impl_hwnd(
381         gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
382 #else
383     return NULL;
384 #endif
385 }
386 
387 /** DisplayState Callbacks **/
388 
389 static void gd_update(DisplayChangeListener *dcl,
390                       int x, int y, int w, int h)
391 {
392     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
393     GdkWindow *win;
394     int x1, x2, y1, y2;
395     int mx, my;
396     int fbw, fbh;
397     int ww, wh;
398 
399     trace_gd_update(vc->label, x, y, w, h);
400 
401     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
402         return;
403     }
404 
405     if (vc->gfx.convert) {
406         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
407                                NULL, vc->gfx.convert,
408                                x, y, 0, 0, x, y, w, h);
409     }
410 
411     x1 = floor(x * vc->gfx.scale_x);
412     y1 = floor(y * vc->gfx.scale_y);
413 
414     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
415     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
416 
417     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
418     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
419 
420     win = gtk_widget_get_window(vc->gfx.drawing_area);
421     if (!win) {
422         return;
423     }
424     ww = gdk_window_get_width(win);
425     wh = gdk_window_get_height(win);
426 
427     mx = my = 0;
428     if (ww > fbw) {
429         mx = (ww - fbw) / 2;
430     }
431     if (wh > fbh) {
432         my = (wh - fbh) / 2;
433     }
434 
435     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
436                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
437 }
438 
439 static void gd_refresh(DisplayChangeListener *dcl)
440 {
441     graphic_hw_update(dcl->con);
442 }
443 
444 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
445 {
446     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
447 }
448 
449 static void gd_mouse_set(DisplayChangeListener *dcl,
450                          int x, int y, bool visible)
451 {
452     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
453     GdkDisplay *dpy;
454     gint x_root, y_root;
455 
456     if (!gtk_widget_get_realized(vc->gfx.drawing_area) ||
457         qemu_input_is_absolute(dcl->con)) {
458         return;
459     }
460 
461     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
462     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
463                                x, y, &x_root, &y_root);
464     gdk_device_warp(gd_get_pointer(dpy),
465                     gtk_widget_get_screen(vc->gfx.drawing_area),
466                     x_root, y_root);
467     vc->s->last_x = x;
468     vc->s->last_y = y;
469 }
470 
471 static void gd_cursor_define(DisplayChangeListener *dcl,
472                              QEMUCursor *c)
473 {
474     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
475     GdkPixbuf *pixbuf;
476     GdkCursor *cursor;
477 
478     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
479         return;
480     }
481 
482     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
483                                       GDK_COLORSPACE_RGB, true, 8,
484                                       c->width, c->height, c->width * 4,
485                                       NULL, NULL);
486     cursor = gdk_cursor_new_from_pixbuf
487         (gtk_widget_get_display(vc->gfx.drawing_area),
488          pixbuf, c->hot_x, c->hot_y);
489     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
490     g_object_unref(pixbuf);
491     g_object_unref(cursor);
492 }
493 
494 static void gd_switch(DisplayChangeListener *dcl,
495                       DisplaySurface *surface)
496 {
497     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
498     bool resized = true;
499 
500     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
501 
502     if (vc->gfx.surface) {
503         cairo_surface_destroy(vc->gfx.surface);
504         vc->gfx.surface = NULL;
505     }
506     if (vc->gfx.convert) {
507         pixman_image_unref(vc->gfx.convert);
508         vc->gfx.convert = NULL;
509     }
510 
511     if (vc->gfx.ds &&
512         surface_width(vc->gfx.ds) == surface_width(surface) &&
513         surface_height(vc->gfx.ds) == surface_height(surface)) {
514         resized = false;
515     }
516     vc->gfx.ds = surface;
517 
518     if (surface_format(surface) == PIXMAN_x8r8g8b8) {
519         /*
520          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
521          *
522          * No need to convert, use surface directly.  Should be the
523          * common case as this is qemu_default_pixelformat(32) too.
524          */
525         vc->gfx.surface = cairo_image_surface_create_for_data
526             (surface_data(surface),
527              CAIRO_FORMAT_RGB24,
528              surface_width(surface),
529              surface_height(surface),
530              surface_stride(surface));
531     } else {
532         /* Must convert surface, use pixman to do it. */
533         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
534                                                    surface_width(surface),
535                                                    surface_height(surface),
536                                                    NULL, 0);
537         vc->gfx.surface = cairo_image_surface_create_for_data
538             ((void *)pixman_image_get_data(vc->gfx.convert),
539              CAIRO_FORMAT_RGB24,
540              pixman_image_get_width(vc->gfx.convert),
541              pixman_image_get_height(vc->gfx.convert),
542              pixman_image_get_stride(vc->gfx.convert));
543         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
544                                NULL, vc->gfx.convert,
545                                0, 0, 0, 0, 0, 0,
546                                pixman_image_get_width(vc->gfx.convert),
547                                pixman_image_get_height(vc->gfx.convert));
548     }
549 
550     if (resized) {
551         gd_update_windowsize(vc);
552     } else {
553         gd_update_full_redraw(vc);
554     }
555 }
556 
557 static const DisplayChangeListenerOps dcl_ops = {
558     .dpy_name             = "gtk",
559     .dpy_gfx_update       = gd_update,
560     .dpy_gfx_switch       = gd_switch,
561     .dpy_gfx_check_format = qemu_pixman_check_format,
562     .dpy_refresh          = gd_refresh,
563     .dpy_mouse_set        = gd_mouse_set,
564     .dpy_cursor_define    = gd_cursor_define,
565 };
566 
567 
568 #if defined(CONFIG_OPENGL)
569 
570 static bool gd_has_dmabuf(DisplayChangeListener *dcl)
571 {
572     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
573 
574     if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
575         /* FIXME: Assume it will work, actual check done after realize */
576         /* fixing this would require delaying listener registration */
577         return true;
578     }
579 
580     return vc->gfx.has_dmabuf;
581 }
582 
583 static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
584                                  QemuDmaBuf *dmabuf)
585 {
586 #ifdef CONFIG_GBM
587     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
588 
589     egl_dmabuf_release_texture(dmabuf);
590     if (vc->gfx.guest_fb.dmabuf == dmabuf) {
591         vc->gfx.guest_fb.dmabuf = NULL;
592     }
593 #endif
594 }
595 
596 void gd_hw_gl_flushed(void *vcon)
597 {
598     VirtualConsole *vc = vcon;
599     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
600     int fence_fd;
601 
602     fence_fd = qemu_dmabuf_get_fence_fd(dmabuf);
603     if (fence_fd >= 0) {
604         qemu_set_fd_handler(fence_fd, NULL, NULL, NULL);
605         close(fence_fd);
606         qemu_dmabuf_set_fence_fd(dmabuf, -1);
607         graphic_hw_gl_block(vc->gfx.dcl.con, false);
608     }
609 }
610 
611 /** DisplayState Callbacks (opengl version) **/
612 
613 static const DisplayChangeListenerOps dcl_gl_area_ops = {
614     .dpy_name             = "gtk-egl",
615     .dpy_gfx_update       = gd_gl_area_update,
616     .dpy_gfx_switch       = gd_gl_area_switch,
617     .dpy_gfx_check_format = console_gl_check_format,
618     .dpy_refresh          = gd_gl_area_refresh,
619     .dpy_mouse_set        = gd_mouse_set,
620     .dpy_cursor_define    = gd_cursor_define,
621 
622     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
623     .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
624     .dpy_gl_update           = gd_gl_area_scanout_flush,
625     .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
626     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
627     .dpy_has_dmabuf          = gd_has_dmabuf,
628 };
629 
630 static bool
631 gd_gl_area_is_compatible_dcl(DisplayGLCtx *dgc,
632                              DisplayChangeListener *dcl)
633 {
634     return dcl->ops == &dcl_gl_area_ops;
635 }
636 
637 static const DisplayGLCtxOps gl_area_ctx_ops = {
638     .dpy_gl_ctx_is_compatible_dcl = gd_gl_area_is_compatible_dcl,
639     .dpy_gl_ctx_create       = gd_gl_area_create_context,
640     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
641     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
642 };
643 
644 #ifdef CONFIG_X11
645 static const DisplayChangeListenerOps dcl_egl_ops = {
646     .dpy_name             = "gtk-egl",
647     .dpy_gfx_update       = gd_egl_update,
648     .dpy_gfx_switch       = gd_egl_switch,
649     .dpy_gfx_check_format = console_gl_check_format,
650     .dpy_refresh          = gd_egl_refresh,
651     .dpy_mouse_set        = gd_mouse_set,
652     .dpy_cursor_define    = gd_cursor_define,
653 
654     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
655     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
656     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
657     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
658     .dpy_gl_cursor_position  = gd_egl_cursor_position,
659     .dpy_gl_update           = gd_egl_flush,
660     .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
661     .dpy_has_dmabuf          = gd_has_dmabuf,
662 };
663 
664 static bool
665 gd_egl_is_compatible_dcl(DisplayGLCtx *dgc,
666                          DisplayChangeListener *dcl)
667 {
668     return dcl->ops == &dcl_egl_ops;
669 }
670 
671 static const DisplayGLCtxOps egl_ctx_ops = {
672     .dpy_gl_ctx_is_compatible_dcl = gd_egl_is_compatible_dcl,
673     .dpy_gl_ctx_create       = gd_egl_create_context,
674     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
675     .dpy_gl_ctx_make_current = gd_egl_make_current,
676 };
677 #endif
678 
679 #endif /* CONFIG_OPENGL */
680 
681 /** QEMU Events **/
682 
683 static void gd_change_runstate(void *opaque, bool running, RunState state)
684 {
685     GtkDisplayState *s = opaque;
686 
687     gd_update_caption(s);
688 }
689 
690 static void gd_mouse_mode_change(Notifier *notify, void *data)
691 {
692     GtkDisplayState *s;
693     int i;
694 
695     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
696     /* release the grab at switching to absolute mode */
697     if (s->ptr_owner && qemu_input_is_absolute(s->ptr_owner->gfx.dcl.con)) {
698         if (!s->ptr_owner->window) {
699             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
700                                            FALSE);
701         } else {
702             gd_ungrab_pointer(s);
703         }
704     }
705     for (i = 0; i < s->nb_vcs; i++) {
706         VirtualConsole *vc = &s->vc[i];
707         gd_update_cursor(vc);
708     }
709 }
710 
711 /** GTK Events **/
712 
713 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
714                                 void *opaque)
715 {
716     GtkDisplayState *s = opaque;
717     bool allow_close = true;
718 
719     if (s->opts->has_window_close && !s->opts->window_close) {
720         allow_close = false;
721     }
722 
723     if (allow_close) {
724         qmp_quit(NULL);
725     }
726 
727     return TRUE;
728 }
729 
730 static void gd_set_ui_refresh_rate(VirtualConsole *vc, int refresh_rate)
731 {
732     QemuUIInfo info;
733 
734     if (!dpy_ui_info_supported(vc->gfx.dcl.con)) {
735         return;
736     }
737 
738     info = *dpy_get_ui_info(vc->gfx.dcl.con);
739     info.refresh_rate = refresh_rate;
740     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
741 }
742 
743 static void gd_set_ui_size(VirtualConsole *vc, gint width, gint height)
744 {
745     QemuUIInfo info;
746 
747     if (!dpy_ui_info_supported(vc->gfx.dcl.con)) {
748         return;
749     }
750 
751     info = *dpy_get_ui_info(vc->gfx.dcl.con);
752     info.width = width;
753     info.height = height;
754     dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
755 }
756 
757 #if defined(CONFIG_OPENGL)
758 
759 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
760                                 void *opaque)
761 {
762     VirtualConsole *vc = opaque;
763 
764     if (vc->gfx.gls) {
765         gd_gl_area_draw(vc);
766     }
767     return TRUE;
768 }
769 
770 static void gd_resize_event(GtkGLArea *area,
771                             gint width, gint height, gpointer *opaque)
772 {
773     VirtualConsole *vc = (void *)opaque;
774 
775     gd_set_ui_size(vc, width, height);
776 }
777 
778 #endif
779 
780 void gd_update_monitor_refresh_rate(VirtualConsole *vc, GtkWidget *widget)
781 {
782 #ifdef GDK_VERSION_3_22
783     GdkWindow *win = gtk_widget_get_window(widget);
784     int refresh_rate;
785 
786     if (win) {
787         GdkDisplay *dpy = gtk_widget_get_display(widget);
788         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
789         refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
790     } else {
791         refresh_rate = 0;
792     }
793 
794     gd_set_ui_refresh_rate(vc, refresh_rate);
795 
796     /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
797     vc->gfx.dcl.update_interval = refresh_rate ?
798         MIN(1000 * 1000 / refresh_rate, GUI_REFRESH_INTERVAL_DEFAULT) :
799         GUI_REFRESH_INTERVAL_DEFAULT;
800 #endif
801 }
802 
803 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
804 {
805     VirtualConsole *vc = opaque;
806     GtkDisplayState *s = vc->s;
807     int mx, my;
808     int ww, wh;
809     int fbw, fbh;
810 
811 #if defined(CONFIG_OPENGL)
812     if (vc->gfx.gls) {
813         if (gtk_use_gl_area) {
814             /* invoke render callback please */
815             return FALSE;
816         } else {
817 #ifdef CONFIG_X11
818             gd_egl_draw(vc);
819             return TRUE;
820 #else
821             abort();
822 #endif
823         }
824     }
825 #endif
826 
827     if (!gtk_widget_get_realized(widget)) {
828         return FALSE;
829     }
830     if (!vc->gfx.ds) {
831         return FALSE;
832     }
833     if (!vc->gfx.surface) {
834         return FALSE;
835     }
836 
837     gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : s->window);
838 
839     fbw = surface_width(vc->gfx.ds);
840     fbh = surface_height(vc->gfx.ds);
841 
842     ww = gdk_window_get_width(gtk_widget_get_window(widget));
843     wh = gdk_window_get_height(gtk_widget_get_window(widget));
844 
845     if (s->full_screen) {
846         vc->gfx.scale_x = (double)ww / fbw;
847         vc->gfx.scale_y = (double)wh / fbh;
848     } else if (s->free_scale) {
849         double sx, sy;
850 
851         sx = (double)ww / fbw;
852         sy = (double)wh / fbh;
853 
854         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
855     }
856 
857     fbw *= vc->gfx.scale_x;
858     fbh *= vc->gfx.scale_y;
859 
860     mx = my = 0;
861     if (ww > fbw) {
862         mx = (ww - fbw) / 2;
863     }
864     if (wh > fbh) {
865         my = (wh - fbh) / 2;
866     }
867 
868     cairo_rectangle(cr, 0, 0, ww, wh);
869 
870     /* Optionally cut out the inner area where the pixmap
871        will be drawn. This avoids 'flashing' since we're
872        not double-buffering. Note we're using the undocumented
873        behaviour of drawing the rectangle from right to left
874        to cut out the whole */
875     cairo_rectangle(cr, mx + fbw, my,
876                     -1 * fbw, fbh);
877     cairo_fill(cr);
878 
879     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
880     cairo_set_source_surface(cr, vc->gfx.surface,
881                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
882     cairo_paint(cr);
883 
884     return TRUE;
885 }
886 
887 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
888                                 void *opaque)
889 {
890     VirtualConsole *vc = opaque;
891     GtkDisplayState *s = vc->s;
892     int x, y;
893     int mx, my;
894     int fbh, fbw;
895     int ww, wh;
896 
897     if (!vc->gfx.ds) {
898         return TRUE;
899     }
900 
901     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
902     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
903     ww = gtk_widget_get_allocated_width(widget);
904     wh = gtk_widget_get_allocated_height(widget);
905 
906     /*
907      * `widget` may not have the same size with the frame buffer.
908      * In such cases, some paddings are needed around the `vc`.
909      * To achieve that, `vc` will be displayed at (mx, my)
910      * so that it is displayed at the center of the widget.
911      */
912     mx = my = 0;
913     if (ww > fbw) {
914         mx = (ww - fbw) / 2;
915     }
916     if (wh > fbh) {
917         my = (wh - fbh) / 2;
918     }
919 
920     /*
921      * `motion` is reported in `widget` coordinates
922      * so translating it to the coordinates in `vc`.
923      */
924     x = (motion->x - mx) / vc->gfx.scale_x;
925     y = (motion->y - my) / vc->gfx.scale_y;
926 
927     trace_gd_motion_event(ww, wh, gtk_widget_get_scale_factor(widget), x, y);
928 
929     if (qemu_input_is_absolute(vc->gfx.dcl.con)) {
930         if (x < 0 || y < 0 ||
931             x >= surface_width(vc->gfx.ds) ||
932             y >= surface_height(vc->gfx.ds)) {
933             return TRUE;
934         }
935         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
936                              0, surface_width(vc->gfx.ds));
937         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
938                              0, surface_height(vc->gfx.ds));
939         qemu_input_event_sync();
940     } else if (s->last_set && s->ptr_owner == vc) {
941         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
942         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
943         qemu_input_event_sync();
944     }
945     s->last_x = x;
946     s->last_y = y;
947     s->last_set = TRUE;
948 
949     if (!qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner == vc) {
950         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
951         GdkDisplay *dpy = gtk_widget_get_display(widget);
952         GdkWindow *win = gtk_widget_get_window(widget);
953         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
954         GdkRectangle geometry;
955 
956         int xr = (int)motion->x_root;
957         int yr = (int)motion->y_root;
958 
959         gdk_monitor_get_geometry(monitor, &geometry);
960 
961         /* In relative mode check to see if client pointer hit
962          * one of the monitor edges, and if so move it back to the
963          * center of the monitor. This is important because the pointer
964          * in the server doesn't correspond 1-for-1, and so
965          * may still be only half way across the screen. Without
966          * this warp, the server pointer would thus appear to hit
967          * an invisible wall */
968         if (xr <= geometry.x || xr - geometry.x >= geometry.width - 1 ||
969             yr <= geometry.y || yr - geometry.y >= geometry.height - 1) {
970             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
971             xr = geometry.x + geometry.width / 2;
972             yr = geometry.y + geometry.height / 2;
973 
974             gdk_device_warp(dev, screen, xr, yr);
975             s->last_set = FALSE;
976             return FALSE;
977         }
978     }
979     return TRUE;
980 }
981 
982 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
983                                 void *opaque)
984 {
985     VirtualConsole *vc = opaque;
986     GtkDisplayState *s = vc->s;
987     InputButton btn;
988 
989     /* implicitly grab the input at the first click in the relative mode */
990     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
991         !qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner != vc) {
992         if (!vc->window) {
993             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
994                                            TRUE);
995         } else {
996             gd_grab_pointer(vc, "relative-mode-click");
997         }
998         return TRUE;
999     }
1000 
1001     if (button->button == 1) {
1002         btn = INPUT_BUTTON_LEFT;
1003     } else if (button->button == 2) {
1004         btn = INPUT_BUTTON_MIDDLE;
1005     } else if (button->button == 3) {
1006         btn = INPUT_BUTTON_RIGHT;
1007     } else if (button->button == 8) {
1008         btn = INPUT_BUTTON_SIDE;
1009     } else if (button->button == 9) {
1010         btn = INPUT_BUTTON_EXTRA;
1011     } else {
1012         return TRUE;
1013     }
1014 
1015     if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
1016         return TRUE;
1017     }
1018 
1019     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1020                          button->type == GDK_BUTTON_PRESS);
1021     qemu_input_event_sync();
1022     return TRUE;
1023 }
1024 
1025 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1026                                 void *opaque)
1027 {
1028     VirtualConsole *vc = opaque;
1029     InputButton btn_vertical;
1030     InputButton btn_horizontal;
1031     bool has_vertical = false;
1032     bool has_horizontal = false;
1033 
1034     if (scroll->direction == GDK_SCROLL_UP) {
1035         btn_vertical = INPUT_BUTTON_WHEEL_UP;
1036         has_vertical = true;
1037     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1038         btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1039         has_vertical = true;
1040     } else if (scroll->direction == GDK_SCROLL_LEFT) {
1041         btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1042         has_horizontal = true;
1043     } else if (scroll->direction == GDK_SCROLL_RIGHT) {
1044         btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1045         has_horizontal = true;
1046     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1047         gdouble delta_x, delta_y;
1048         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1049                                          &delta_x, &delta_y)) {
1050             return TRUE;
1051         }
1052 
1053         if (delta_y > 0) {
1054             btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1055             has_vertical = true;
1056         } else if (delta_y < 0) {
1057             btn_vertical = INPUT_BUTTON_WHEEL_UP;
1058             has_vertical = true;
1059         } else if (delta_x > 0) {
1060             btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1061             has_horizontal = true;
1062         } else if (delta_x < 0) {
1063             btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1064             has_horizontal = true;
1065         } else {
1066             return TRUE;
1067         }
1068     } else {
1069         return TRUE;
1070     }
1071 
1072     if (has_vertical) {
1073         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1074         qemu_input_event_sync();
1075         qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1076         qemu_input_event_sync();
1077     }
1078 
1079     if (has_horizontal) {
1080         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1081         qemu_input_event_sync();
1082         qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1083         qemu_input_event_sync();
1084     }
1085 
1086     return TRUE;
1087 }
1088 
1089 
1090 static gboolean gd_touch_event(GtkWidget *widget, GdkEventTouch *touch,
1091                                void *opaque)
1092 {
1093     VirtualConsole *vc = opaque;
1094     uint64_t num_slot = GPOINTER_TO_UINT(touch->sequence);
1095     int type = -1;
1096 
1097     switch (touch->type) {
1098     case GDK_TOUCH_BEGIN:
1099         type = INPUT_MULTI_TOUCH_TYPE_BEGIN;
1100         break;
1101     case GDK_TOUCH_UPDATE:
1102         type = INPUT_MULTI_TOUCH_TYPE_UPDATE;
1103         break;
1104     case GDK_TOUCH_END:
1105     case GDK_TOUCH_CANCEL:
1106         type = INPUT_MULTI_TOUCH_TYPE_END;
1107         break;
1108     default:
1109         warn_report("gtk: unexpected touch event type\n");
1110         return FALSE;
1111     }
1112 
1113     console_handle_touch_event(vc->gfx.dcl.con, touch_slots,
1114                                num_slot, surface_width(vc->gfx.ds),
1115                                surface_height(vc->gfx.ds), touch->x,
1116                                touch->y, type, &error_warn);
1117     return TRUE;
1118 }
1119 
1120 static const guint16 *gd_get_keymap(size_t *maplen)
1121 {
1122     GdkDisplay *dpy = gdk_display_get_default();
1123 
1124 #ifdef GDK_WINDOWING_X11
1125     if (GDK_IS_X11_DISPLAY(dpy)) {
1126         trace_gd_keymap_windowing("x11");
1127         return qemu_xkeymap_mapping_table(
1128             gdk_x11_display_get_xdisplay(dpy), maplen);
1129     }
1130 #endif
1131 
1132 #ifdef GDK_WINDOWING_WAYLAND
1133     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1134         trace_gd_keymap_windowing("wayland");
1135         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1136         return qemu_input_map_xorgevdev_to_qcode;
1137     }
1138 #endif
1139 
1140 #ifdef GDK_WINDOWING_WIN32
1141     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1142         trace_gd_keymap_windowing("win32");
1143         *maplen = qemu_input_map_atset1_to_qcode_len;
1144         return qemu_input_map_atset1_to_qcode;
1145     }
1146 #endif
1147 
1148 #ifdef GDK_WINDOWING_QUARTZ
1149     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1150         trace_gd_keymap_windowing("quartz");
1151         *maplen = qemu_input_map_osx_to_qcode_len;
1152         return qemu_input_map_osx_to_qcode;
1153     }
1154 #endif
1155 
1156 #ifdef GDK_WINDOWING_BROADWAY
1157     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1158         trace_gd_keymap_windowing("broadway");
1159         g_warning("experimental: using broadway, x11 virtual keysym\n"
1160                   "mapping - with very limited support. See also\n"
1161                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1162         *maplen = qemu_input_map_x11_to_qcode_len;
1163         return qemu_input_map_x11_to_qcode;
1164     }
1165 #endif
1166 
1167     g_warning("Unsupported GDK Windowing platform.\n"
1168               "Disabling extended keycode tables.\n"
1169               "Please report to qemu-devel@nongnu.org\n"
1170               "including the following information:\n"
1171               "\n"
1172               "  - Operating system\n"
1173               "  - GDK Windowing system build\n");
1174     return NULL;
1175 }
1176 
1177 
1178 static int gd_map_keycode(int scancode)
1179 {
1180     if (!keycode_map) {
1181         return 0;
1182     }
1183     if (scancode > keycode_maplen) {
1184         return 0;
1185     }
1186 
1187     return keycode_map[scancode];
1188 }
1189 
1190 static int gd_get_keycode(GdkEventKey *key)
1191 {
1192 #ifdef G_OS_WIN32
1193     int scancode = gdk_event_get_scancode((GdkEvent *)key);
1194 
1195     /* translate Windows native scancodes to atset1 keycodes */
1196     switch (scancode & (KF_EXTENDED | 0xff)) {
1197     case 0x145:     /* NUMLOCK */
1198         return scancode & 0xff;
1199     }
1200 
1201     return scancode & KF_EXTENDED ?
1202         0xe000 | (scancode & 0xff) : scancode & 0xff;
1203 
1204 #else
1205     return key->hardware_keycode;
1206 #endif
1207 }
1208 
1209 static gboolean gd_text_key_down(GtkWidget *widget,
1210                                  GdkEventKey *key, void *opaque)
1211 {
1212     VirtualConsole *vc = opaque;
1213     QemuTextConsole *con = QEMU_TEXT_CONSOLE(vc->gfx.dcl.con);
1214 
1215     if (key->keyval == GDK_KEY_Delete) {
1216         qemu_text_console_put_qcode(con, Q_KEY_CODE_DELETE, false);
1217     } else if (key->length) {
1218         qemu_text_console_put_string(con, key->string, key->length);
1219     } else {
1220         int qcode = gd_map_keycode(gd_get_keycode(key));
1221         qemu_text_console_put_qcode(con, qcode, false);
1222     }
1223     return TRUE;
1224 }
1225 
1226 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1227 {
1228     VirtualConsole *vc = opaque;
1229     int keycode, qcode;
1230 
1231 #ifdef G_OS_WIN32
1232     /* on windows, we ought to ignore the reserved key event? */
1233     if (key->hardware_keycode == 0xff)
1234         return false;
1235 
1236     if (!vc->s->kbd_owner) {
1237         if (key->hardware_keycode == VK_LWIN ||
1238             key->hardware_keycode == VK_RWIN) {
1239             return FALSE;
1240         }
1241     }
1242 #endif
1243 
1244     if (key->keyval == GDK_KEY_Pause
1245 #ifdef G_OS_WIN32
1246         /* for some reason GDK does not fill keyval for VK_PAUSE
1247          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1248          */
1249         || key->hardware_keycode == VK_PAUSE
1250 #endif
1251         ) {
1252         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1253                              key->type == GDK_KEY_PRESS);
1254         return TRUE;
1255     }
1256 
1257     keycode = gd_get_keycode(key);
1258     qcode = gd_map_keycode(keycode);
1259 
1260     trace_gd_key_event(vc->label, keycode, qcode,
1261                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1262 
1263     qkbd_state_key_event(vc->gfx.kbd, qcode,
1264                          key->type == GDK_KEY_PRESS);
1265 
1266     return TRUE;
1267 }
1268 
1269 static gboolean gd_grab_broken_event(GtkWidget *widget,
1270                                      GdkEventGrabBroken *event, void *opaque)
1271 {
1272 #ifdef CONFIG_WIN32
1273     /*
1274      * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1275      * key combination leaves all three keys in a stuck condition. We use
1276      * the grab-broken-event to release all keys.
1277      */
1278     if (event->keyboard) {
1279         VirtualConsole *vc = opaque;
1280         GtkDisplayState *s = vc->s;
1281 
1282         gtk_release_modifiers(s);
1283     }
1284 #endif
1285     return TRUE;
1286 }
1287 
1288 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1289 {
1290     if (event->type == GDK_MOTION_NOTIFY) {
1291         return gd_motion_event(widget, &event->motion, opaque);
1292     }
1293     return FALSE;
1294 }
1295 
1296 /** Window Menu Actions **/
1297 
1298 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1299 {
1300     GtkDisplayState *s = opaque;
1301 
1302     if (s->external_pause_update) {
1303         return;
1304     }
1305     if (runstate_is_running()) {
1306         qmp_stop(NULL);
1307     } else {
1308         qmp_cont(NULL);
1309     }
1310 }
1311 
1312 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1313 {
1314     qmp_system_reset(NULL);
1315 }
1316 
1317 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1318 {
1319     qmp_system_powerdown(NULL);
1320 }
1321 
1322 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1323 {
1324     qmp_quit(NULL);
1325 }
1326 
1327 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1328 {
1329     GtkDisplayState *s = opaque;
1330     VirtualConsole *vc = gd_vc_find_by_menu(s);
1331     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1332     gint page;
1333 
1334     gtk_release_modifiers(s);
1335     if (vc) {
1336         page = gtk_notebook_page_num(nb, vc->tab_item);
1337         gtk_notebook_set_current_page(nb, page);
1338         gtk_widget_grab_focus(vc->focus);
1339     }
1340 }
1341 
1342 static void gd_accel_switch_vc(void *opaque)
1343 {
1344     VirtualConsole *vc = opaque;
1345 
1346     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1347 }
1348 
1349 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1350 {
1351     GtkDisplayState *s = opaque;
1352     VirtualConsole *vc = gd_vc_find_current(s);
1353 
1354     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1355         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1356     } else {
1357         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1358     }
1359     gd_update_windowsize(vc);
1360 }
1361 
1362 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1363                                     void *opaque)
1364 {
1365     VirtualConsole *vc = opaque;
1366     GtkDisplayState *s = vc->s;
1367 
1368     gtk_widget_set_sensitive(vc->menu_item, true);
1369     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1370     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1371                                     vc->tab_item, vc->label);
1372     gtk_widget_destroy(vc->window);
1373     vc->window = NULL;
1374 #if defined(CONFIG_OPENGL)
1375     if (vc->gfx.esurface) {
1376         eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1377         vc->gfx.esurface = NULL;
1378     }
1379     if (vc->gfx.ectx) {
1380         eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1381         vc->gfx.ectx = NULL;
1382     }
1383 #endif
1384     return TRUE;
1385 }
1386 
1387 static gboolean gd_win_grab(void *opaque)
1388 {
1389     VirtualConsole *vc = opaque;
1390 
1391     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1392     if (vc->s->ptr_owner) {
1393         gd_ungrab_pointer(vc->s);
1394     } else {
1395         gd_grab_pointer(vc, "user-request-detached-tab");
1396     }
1397     return TRUE;
1398 }
1399 
1400 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1401 {
1402     GtkDisplayState *s = opaque;
1403     VirtualConsole *vc = gd_vc_find_current(s);
1404 
1405     if (vc->type == GD_VC_GFX &&
1406         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1407         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1408                                        FALSE);
1409     }
1410     if (!vc->window) {
1411         gtk_widget_set_sensitive(vc->menu_item, false);
1412         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1413 #if defined(CONFIG_OPENGL)
1414         if (vc->gfx.esurface) {
1415             eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1416             vc->gfx.esurface = NULL;
1417         }
1418         if (vc->gfx.ectx) {
1419             eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1420             vc->gfx.ectx = NULL;
1421         }
1422 #endif
1423         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1424 
1425         g_signal_connect(vc->window, "delete-event",
1426                          G_CALLBACK(gd_tab_window_close), vc);
1427         gtk_widget_show_all(vc->window);
1428 
1429         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1430             GtkAccelGroup *ag = gtk_accel_group_new();
1431             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1432 
1433             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1434                                                vc, NULL);
1435             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1436         }
1437 
1438         gd_update_geometry_hints(vc);
1439         gd_update_caption(s);
1440     }
1441 }
1442 
1443 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1444 {
1445     GtkDisplayState *s = opaque;
1446     VirtualConsole *vc = gd_vc_find_current(s);
1447 
1448     if (s->full_screen) {
1449         return;
1450     }
1451 
1452     if (gtk_check_menu_item_get_active(
1453                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1454         gtk_widget_show(s->menu_bar);
1455     } else {
1456         gtk_widget_hide(s->menu_bar);
1457     }
1458     gd_update_windowsize(vc);
1459 }
1460 
1461 static void gd_accel_show_menubar(void *opaque)
1462 {
1463     GtkDisplayState *s = opaque;
1464     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1465 }
1466 
1467 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1468 {
1469     GtkDisplayState *s = opaque;
1470     VirtualConsole *vc = gd_vc_find_current(s);
1471 
1472     if (!s->full_screen) {
1473         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1474         gtk_widget_hide(s->menu_bar);
1475         if (vc->type == GD_VC_GFX) {
1476             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1477         }
1478         gtk_window_fullscreen(GTK_WINDOW(s->window));
1479         s->full_screen = TRUE;
1480     } else {
1481         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1482         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1483         if (gtk_check_menu_item_get_active(
1484                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1485             gtk_widget_show(s->menu_bar);
1486         }
1487         s->full_screen = FALSE;
1488         if (vc->type == GD_VC_GFX) {
1489             vc->gfx.scale_x = 1.0;
1490             vc->gfx.scale_y = 1.0;
1491             gd_update_windowsize(vc);
1492         }
1493     }
1494 
1495     gd_update_cursor(vc);
1496 }
1497 
1498 static void gd_accel_full_screen(void *opaque)
1499 {
1500     GtkDisplayState *s = opaque;
1501     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1502 }
1503 
1504 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1505 {
1506     GtkDisplayState *s = opaque;
1507     VirtualConsole *vc = gd_vc_find_current(s);
1508 
1509     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1510                                    FALSE);
1511 
1512     vc->gfx.scale_x += VC_SCALE_STEP;
1513     vc->gfx.scale_y += VC_SCALE_STEP;
1514 
1515     gd_update_windowsize(vc);
1516 }
1517 
1518 static void gd_accel_zoom_in(void *opaque)
1519 {
1520     GtkDisplayState *s = opaque;
1521     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1522 }
1523 
1524 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1525 {
1526     GtkDisplayState *s = opaque;
1527     VirtualConsole *vc = gd_vc_find_current(s);
1528 
1529     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1530                                    FALSE);
1531 
1532     vc->gfx.scale_x -= VC_SCALE_STEP;
1533     vc->gfx.scale_y -= VC_SCALE_STEP;
1534 
1535     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1536     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1537 
1538     gd_update_windowsize(vc);
1539 }
1540 
1541 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1542 {
1543     GtkDisplayState *s = opaque;
1544     VirtualConsole *vc = gd_vc_find_current(s);
1545 
1546     vc->gfx.scale_x = 1.0;
1547     vc->gfx.scale_y = 1.0;
1548 
1549     gd_update_windowsize(vc);
1550 }
1551 
1552 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1553 {
1554     GtkDisplayState *s = opaque;
1555     VirtualConsole *vc = gd_vc_find_current(s);
1556 
1557     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1558         s->free_scale = TRUE;
1559     } else {
1560         s->free_scale = FALSE;
1561         vc->gfx.scale_x = 1.0;
1562         vc->gfx.scale_y = 1.0;
1563     }
1564 
1565     gd_update_windowsize(vc);
1566     gd_update_full_redraw(vc);
1567 }
1568 
1569 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1570 {
1571     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1572     GdkSeat *seat = gdk_display_get_default_seat(display);
1573     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1574     GdkSeatCapabilities caps = 0;
1575     GdkCursor *cursor = NULL;
1576 
1577     if (kbd) {
1578         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1579     }
1580     if (ptr) {
1581         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1582         cursor = vc->s->null_cursor;
1583     }
1584 
1585     if (caps) {
1586         gdk_seat_grab(seat, window, caps, false, cursor,
1587                       NULL, NULL, NULL);
1588     } else {
1589         gdk_seat_ungrab(seat);
1590     }
1591 }
1592 
1593 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1594 {
1595     if (vc->s->kbd_owner) {
1596         if (vc->s->kbd_owner == vc) {
1597             return;
1598         } else {
1599             gd_ungrab_keyboard(vc->s);
1600         }
1601     }
1602 
1603     win32_kbd_set_grab(true);
1604     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1605     vc->s->kbd_owner = vc;
1606     gd_update_caption(vc->s);
1607     trace_gd_grab(vc->label, "kbd", reason);
1608 }
1609 
1610 static void gd_ungrab_keyboard(GtkDisplayState *s)
1611 {
1612     VirtualConsole *vc = s->kbd_owner;
1613 
1614     if (vc == NULL) {
1615         return;
1616     }
1617     s->kbd_owner = NULL;
1618 
1619     win32_kbd_set_grab(false);
1620     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1621     gd_update_caption(s);
1622     trace_gd_ungrab(vc->label, "kbd");
1623 }
1624 
1625 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1626 {
1627     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1628 
1629     if (vc->s->ptr_owner) {
1630         if (vc->s->ptr_owner == vc) {
1631             return;
1632         } else {
1633             gd_ungrab_pointer(vc->s);
1634         }
1635     }
1636 
1637     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1638     gdk_device_get_position(gd_get_pointer(display),
1639                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1640     vc->s->ptr_owner = vc;
1641     gd_update_caption(vc->s);
1642     trace_gd_grab(vc->label, "ptr", reason);
1643 }
1644 
1645 static void gd_ungrab_pointer(GtkDisplayState *s)
1646 {
1647     VirtualConsole *vc = s->ptr_owner;
1648     GdkDisplay *display;
1649 
1650     if (vc == NULL) {
1651         return;
1652     }
1653     s->ptr_owner = NULL;
1654 
1655     display = gtk_widget_get_display(vc->gfx.drawing_area);
1656     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1657     gdk_device_warp(gd_get_pointer(display),
1658                     gtk_widget_get_screen(vc->gfx.drawing_area),
1659                     vc->s->grab_x_root, vc->s->grab_y_root);
1660     gd_update_caption(s);
1661     trace_gd_ungrab(vc->label, "ptr");
1662 }
1663 
1664 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1665 {
1666     GtkDisplayState *s = opaque;
1667     VirtualConsole *vc = gd_vc_find_current(s);
1668 
1669     if (gd_is_grab_active(s)) {
1670         gd_grab_keyboard(vc, "user-request-main-window");
1671         gd_grab_pointer(vc, "user-request-main-window");
1672     } else {
1673         gd_ungrab_keyboard(s);
1674         gd_ungrab_pointer(s);
1675     }
1676 
1677     gd_update_cursor(vc);
1678 }
1679 
1680 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1681                            gpointer data)
1682 {
1683     GtkDisplayState *s = data;
1684     VirtualConsole *vc;
1685     gboolean on_vga;
1686 
1687     if (!gtk_widget_get_realized(s->notebook)) {
1688         return;
1689     }
1690 
1691     vc = gd_vc_find_by_page(s, arg2);
1692     if (!vc) {
1693         return;
1694     }
1695     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1696                                    TRUE);
1697     on_vga = (vc->type == GD_VC_GFX &&
1698               qemu_console_is_graphic(vc->gfx.dcl.con));
1699     if (!on_vga) {
1700         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1701                                        FALSE);
1702     } else if (s->full_screen) {
1703         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1704                                        TRUE);
1705     }
1706     gtk_widget_set_sensitive(s->grab_item, on_vga);
1707 #ifdef CONFIG_VTE
1708     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1709 #endif
1710 
1711     gd_update_windowsize(vc);
1712     gd_update_cursor(vc);
1713 }
1714 
1715 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1716                                gpointer opaque)
1717 {
1718     VirtualConsole *vc = opaque;
1719     GtkDisplayState *s = vc->s;
1720 
1721     if (gd_grab_on_hover(s)) {
1722         gd_grab_keyboard(vc, "grab-on-hover");
1723     }
1724     return TRUE;
1725 }
1726 
1727 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1728                                gpointer opaque)
1729 {
1730     VirtualConsole *vc = opaque;
1731     GtkDisplayState *s = vc->s;
1732 
1733     if (gd_grab_on_hover(s)) {
1734         gd_ungrab_keyboard(s);
1735     }
1736     return TRUE;
1737 }
1738 
1739 static gboolean gd_focus_in_event(GtkWidget *widget,
1740                                   GdkEventFocus *event, gpointer opaque)
1741 {
1742     VirtualConsole *vc = opaque;
1743 
1744     win32_kbd_set_window(gd_win32_get_hwnd(vc));
1745     return TRUE;
1746 }
1747 
1748 static gboolean gd_focus_out_event(GtkWidget *widget,
1749                                    GdkEventFocus *event, gpointer opaque)
1750 {
1751     VirtualConsole *vc = opaque;
1752     GtkDisplayState *s = vc->s;
1753 
1754     win32_kbd_set_window(NULL);
1755     gtk_release_modifiers(s);
1756     return TRUE;
1757 }
1758 
1759 static gboolean gd_configure(GtkWidget *widget,
1760                              GdkEventConfigure *cfg, gpointer opaque)
1761 {
1762     VirtualConsole *vc = opaque;
1763 
1764     gd_set_ui_size(vc, cfg->width, cfg->height);
1765     return FALSE;
1766 }
1767 
1768 /** Virtual Console Callbacks **/
1769 
1770 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1771                                int idx, GSList *group, GtkWidget *view_menu)
1772 {
1773     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1774     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1775             HOTKEY_MODIFIERS, 0,
1776             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1777     gtk_accel_label_set_accel(
1778             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1779             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1780 
1781     g_signal_connect(vc->menu_item, "activate",
1782                      G_CALLBACK(gd_menu_switch_vc), s);
1783     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1784 
1785     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1786 }
1787 
1788 #if defined(CONFIG_VTE)
1789 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1790 {
1791     GtkDisplayState *s = opaque;
1792     VirtualConsole *vc = gd_vc_find_current(s);
1793 
1794 #if VTE_CHECK_VERSION(0, 50, 0)
1795     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1796                                        VTE_FORMAT_TEXT);
1797 #else
1798     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1799 #endif
1800 }
1801 
1802 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1803 {
1804     VirtualConsole *vc = opaque;
1805 
1806     if (gtk_adjustment_get_upper(adjustment) >
1807         gtk_adjustment_get_page_size(adjustment)) {
1808         gtk_widget_show(vc->vte.scrollbar);
1809     } else {
1810         gtk_widget_hide(vc->vte.scrollbar);
1811     }
1812 }
1813 
1814 static void gd_vc_send_chars(VirtualConsole *vc)
1815 {
1816     uint32_t len, avail;
1817 
1818     len = qemu_chr_be_can_write(vc->vte.chr);
1819     avail = fifo8_num_used(&vc->vte.out_fifo);
1820     while (len > 0 && avail > 0) {
1821         const uint8_t *buf;
1822         uint32_t size;
1823 
1824         buf = fifo8_pop_bufptr(&vc->vte.out_fifo, MIN(len, avail), &size);
1825         qemu_chr_be_write(vc->vte.chr, buf, size);
1826         len = qemu_chr_be_can_write(vc->vte.chr);
1827         avail -= size;
1828     }
1829 }
1830 
1831 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1832 {
1833     VCChardev *vcd = VC_CHARDEV(chr);
1834     VirtualConsole *vc = vcd->console;
1835 
1836     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1837     return len;
1838 }
1839 
1840 static void gd_vc_chr_accept_input(Chardev *chr)
1841 {
1842     VCChardev *vcd = VC_CHARDEV(chr);
1843     VirtualConsole *vc = vcd->console;
1844 
1845     if (vc) {
1846         gd_vc_send_chars(vc);
1847     }
1848 }
1849 
1850 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1851 {
1852     VCChardev *vcd = VC_CHARDEV(chr);
1853     VirtualConsole *vc = vcd->console;
1854 
1855     if (vc) {
1856         vc->vte.echo = echo;
1857     } else {
1858         vcd->echo = echo;
1859     }
1860 }
1861 
1862 static int nb_vcs;
1863 static Chardev *vcs[MAX_VCS];
1864 static void gd_vc_open(Chardev *chr,
1865                        ChardevBackend *backend,
1866                        bool *be_opened,
1867                        Error **errp)
1868 {
1869     if (nb_vcs == MAX_VCS) {
1870         error_setg(errp, "Maximum number of consoles reached");
1871         return;
1872     }
1873 
1874     vcs[nb_vcs++] = chr;
1875 
1876     /* console/chardev init sometimes completes elsewhere in a 2nd
1877      * stage, so defer OPENED events until they are fully initialized
1878      */
1879     *be_opened = false;
1880 }
1881 
1882 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1883 {
1884     ChardevClass *cc = CHARDEV_CLASS(oc);
1885 
1886     cc->open = gd_vc_open;
1887     cc->chr_write = gd_vc_chr_write;
1888     cc->chr_accept_input = gd_vc_chr_accept_input;
1889     cc->chr_set_echo = gd_vc_chr_set_echo;
1890 }
1891 
1892 static const TypeInfo char_gd_vc_type_info = {
1893     .name = TYPE_CHARDEV_VC,
1894     .parent = TYPE_CHARDEV,
1895     .instance_size = sizeof(VCChardev),
1896     .class_init = char_gd_vc_class_init,
1897 };
1898 
1899 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1900                          gpointer user_data)
1901 {
1902     VirtualConsole *vc = user_data;
1903     uint32_t free;
1904 
1905     if (vc->vte.echo) {
1906         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1907         int i;
1908         for (i = 0; i < size; i++) {
1909             uint8_t c = text[i];
1910             if (c >= 128 || isprint(c)) {
1911                 /* 8-bit characters are considered printable.  */
1912                 vte_terminal_feed(term, &text[i], 1);
1913             } else if (c == '\r' || c == '\n') {
1914                 vte_terminal_feed(term, "\r\n", 2);
1915             } else {
1916                 char ctrl[2] = { '^', 0};
1917                 ctrl[1] = text[i] ^ 64;
1918                 vte_terminal_feed(term, ctrl, 2);
1919             }
1920         }
1921     }
1922 
1923     free = fifo8_num_free(&vc->vte.out_fifo);
1924     fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1925     gd_vc_send_chars(vc);
1926 
1927     return TRUE;
1928 }
1929 
1930 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1931                               Chardev *chr, int idx,
1932                               GSList *group, GtkWidget *view_menu)
1933 {
1934     char buffer[32];
1935     GtkWidget *box;
1936     GtkWidget *scrollbar;
1937     GtkAdjustment *vadjustment;
1938     VCChardev *vcd = VC_CHARDEV(chr);
1939 
1940     vc->s = s;
1941     vc->vte.echo = vcd->echo;
1942     vc->vte.chr = chr;
1943     fifo8_create(&vc->vte.out_fifo, 4096);
1944     vcd->console = vc;
1945 
1946     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1947     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1948                                 ? vc->vte.chr->label : buffer);
1949     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1950 
1951     vc->vte.terminal = vte_terminal_new();
1952     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1953 
1954     /* The documentation says that the default is UTF-8, but actually it is
1955      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1956      * VTE 0.54 (only UTF-8 is supported now). */
1957 #if !VTE_CHECK_VERSION(0, 54, 0)
1958 #if VTE_CHECK_VERSION(0, 38, 0)
1959     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1960 #else
1961     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1962 #endif
1963 #endif
1964 
1965     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1966     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1967                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1968 
1969 #if VTE_CHECK_VERSION(0, 28, 0)
1970     vadjustment = gtk_scrollable_get_vadjustment
1971         (GTK_SCROLLABLE(vc->vte.terminal));
1972 #else
1973     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1974 #endif
1975 
1976     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1977     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1978 
1979     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1980     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1981 
1982     vc->vte.box = box;
1983     vc->vte.scrollbar = scrollbar;
1984 
1985     g_signal_connect(vadjustment, "changed",
1986                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1987 
1988     vc->type = GD_VC_VTE;
1989     vc->tab_item = box;
1990     vc->focus = vc->vte.terminal;
1991     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1992                              gtk_label_new(vc->label));
1993 
1994     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1995 
1996     return group;
1997 }
1998 
1999 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
2000                         GtkWidget *view_menu)
2001 {
2002     int i;
2003 
2004     for (i = 0; i < nb_vcs; i++) {
2005         VirtualConsole *vc = &s->vc[s->nb_vcs];
2006         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
2007         s->nb_vcs++;
2008     }
2009 }
2010 #endif /* CONFIG_VTE */
2011 
2012 /** Window Creation **/
2013 
2014 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
2015 {
2016     g_signal_connect(vc->gfx.drawing_area, "draw",
2017                      G_CALLBACK(gd_draw_event), vc);
2018 #if defined(CONFIG_OPENGL)
2019     if (gtk_use_gl_area) {
2020         /* wire up GtkGlArea events */
2021         g_signal_connect(vc->gfx.drawing_area, "render",
2022                          G_CALLBACK(gd_render_event), vc);
2023         g_signal_connect(vc->gfx.drawing_area, "resize",
2024                          G_CALLBACK(gd_resize_event), vc);
2025     }
2026 #endif
2027     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
2028         g_signal_connect(vc->gfx.drawing_area, "event",
2029                          G_CALLBACK(gd_event), vc);
2030         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
2031                          G_CALLBACK(gd_button_event), vc);
2032         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
2033                          G_CALLBACK(gd_button_event), vc);
2034         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
2035                          G_CALLBACK(gd_scroll_event), vc);
2036         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2037                          G_CALLBACK(gd_key_event), vc);
2038         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
2039                          G_CALLBACK(gd_key_event), vc);
2040         g_signal_connect(vc->gfx.drawing_area, "touch-event",
2041                          G_CALLBACK(gd_touch_event), vc);
2042 
2043         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
2044                          G_CALLBACK(gd_enter_event), vc);
2045         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
2046                          G_CALLBACK(gd_leave_event), vc);
2047         g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
2048                          G_CALLBACK(gd_focus_in_event), vc);
2049         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
2050                          G_CALLBACK(gd_focus_out_event), vc);
2051         g_signal_connect(vc->gfx.drawing_area, "configure-event",
2052                          G_CALLBACK(gd_configure), vc);
2053         g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
2054                          G_CALLBACK(gd_grab_broken_event), vc);
2055     } else {
2056         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
2057                          G_CALLBACK(gd_text_key_down), vc);
2058     }
2059 }
2060 
2061 static void gd_connect_signals(GtkDisplayState *s)
2062 {
2063     g_signal_connect(s->show_tabs_item, "activate",
2064                      G_CALLBACK(gd_menu_show_tabs), s);
2065     g_signal_connect(s->untabify_item, "activate",
2066                      G_CALLBACK(gd_menu_untabify), s);
2067     g_signal_connect(s->show_menubar_item, "activate",
2068                      G_CALLBACK(gd_menu_show_menubar), s);
2069 
2070     g_signal_connect(s->window, "delete-event",
2071                      G_CALLBACK(gd_window_close), s);
2072 
2073     g_signal_connect(s->pause_item, "activate",
2074                      G_CALLBACK(gd_menu_pause), s);
2075     g_signal_connect(s->reset_item, "activate",
2076                      G_CALLBACK(gd_menu_reset), s);
2077     g_signal_connect(s->powerdown_item, "activate",
2078                      G_CALLBACK(gd_menu_powerdown), s);
2079     g_signal_connect(s->quit_item, "activate",
2080                      G_CALLBACK(gd_menu_quit), s);
2081 #if defined(CONFIG_VTE)
2082     g_signal_connect(s->copy_item, "activate",
2083                      G_CALLBACK(gd_menu_copy), s);
2084 #endif
2085     g_signal_connect(s->full_screen_item, "activate",
2086                      G_CALLBACK(gd_menu_full_screen), s);
2087     g_signal_connect(s->zoom_in_item, "activate",
2088                      G_CALLBACK(gd_menu_zoom_in), s);
2089     g_signal_connect(s->zoom_out_item, "activate",
2090                      G_CALLBACK(gd_menu_zoom_out), s);
2091     g_signal_connect(s->zoom_fixed_item, "activate",
2092                      G_CALLBACK(gd_menu_zoom_fixed), s);
2093     g_signal_connect(s->zoom_fit_item, "activate",
2094                      G_CALLBACK(gd_menu_zoom_fit), s);
2095     g_signal_connect(s->grab_item, "activate",
2096                      G_CALLBACK(gd_menu_grab_input), s);
2097     g_signal_connect(s->notebook, "switch-page",
2098                      G_CALLBACK(gd_change_page), s);
2099 }
2100 
2101 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2102 {
2103     GtkWidget *machine_menu;
2104     GtkWidget *separator;
2105 
2106     machine_menu = gtk_menu_new();
2107     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2108 
2109     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2110     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2111 
2112     separator = gtk_separator_menu_item_new();
2113     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2114 
2115     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2116     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2117 
2118     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2119     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2120 
2121     separator = gtk_separator_menu_item_new();
2122     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2123 
2124     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2125     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2126                                  "<QEMU>/Machine/Quit");
2127     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2128                             GDK_KEY_q, HOTKEY_MODIFIERS);
2129     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2130 
2131     return machine_menu;
2132 }
2133 
2134 #if defined(CONFIG_OPENGL)
2135 static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2136 {
2137     gtk_gl_area_make_current(area);
2138     qemu_egl_display = eglGetCurrentDisplay();
2139     vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2140     if (!vc->gfx.has_dmabuf) {
2141         error_report("GtkGLArea console lacks DMABUF support.");
2142     }
2143 }
2144 #endif
2145 
2146 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2147                               QemuConsole *con, int idx,
2148                               GSList *group, GtkWidget *view_menu)
2149 {
2150     bool zoom_to_fit = false;
2151     int i;
2152 
2153     vc->label = qemu_console_get_label(con);
2154     vc->s = s;
2155     vc->gfx.scale_x = 1.0;
2156     vc->gfx.scale_y = 1.0;
2157 
2158 #if defined(CONFIG_OPENGL)
2159     if (display_opengl) {
2160         if (gtk_use_gl_area) {
2161             vc->gfx.drawing_area = gtk_gl_area_new();
2162             g_signal_connect(vc->gfx.drawing_area, "realize",
2163                              G_CALLBACK(gl_area_realize), vc);
2164             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2165             vc->gfx.dgc.ops = &gl_area_ctx_ops;
2166         } else {
2167 #ifdef CONFIG_X11
2168             vc->gfx.drawing_area = gtk_drawing_area_new();
2169             /*
2170              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2171              * It is required for opengl rendering on X11 though.  A
2172              * proper replacement (native opengl support) is only
2173              * available in 3.16+.  Silence the warning if possible.
2174              */
2175 #pragma GCC diagnostic push
2176 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2177             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2178 #pragma GCC diagnostic pop
2179             vc->gfx.dcl.ops = &dcl_egl_ops;
2180             vc->gfx.dgc.ops = &egl_ctx_ops;
2181             vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2182 #else
2183             abort();
2184 #endif
2185         }
2186     } else
2187 #endif
2188     {
2189         vc->gfx.drawing_area = gtk_drawing_area_new();
2190         vc->gfx.dcl.ops = &dcl_ops;
2191     }
2192 
2193 
2194     gtk_widget_add_events(vc->gfx.drawing_area,
2195                           GDK_POINTER_MOTION_MASK |
2196                           GDK_BUTTON_PRESS_MASK |
2197                           GDK_BUTTON_RELEASE_MASK |
2198                           GDK_BUTTON_MOTION_MASK |
2199                           GDK_TOUCH_MASK |
2200                           GDK_ENTER_NOTIFY_MASK |
2201                           GDK_LEAVE_NOTIFY_MASK |
2202                           GDK_SCROLL_MASK |
2203                           GDK_SMOOTH_SCROLL_MASK |
2204                           GDK_KEY_PRESS_MASK);
2205     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2206 
2207     vc->type = GD_VC_GFX;
2208     vc->tab_item = vc->gfx.drawing_area;
2209     vc->focus = vc->gfx.drawing_area;
2210     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2211                              vc->tab_item, gtk_label_new(vc->label));
2212 
2213     vc->gfx.kbd = qkbd_state_init(con);
2214     vc->gfx.dcl.con = con;
2215 
2216     if (display_opengl) {
2217         qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2218     }
2219     register_displaychangelistener(&vc->gfx.dcl);
2220 
2221     gd_connect_vc_gfx_signals(vc);
2222     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2223 
2224     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2225         zoom_to_fit = true;
2226     }
2227     if (s->opts->u.gtk.has_zoom_to_fit) {
2228         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2229     }
2230     if (zoom_to_fit) {
2231         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2232         s->free_scale = true;
2233     }
2234 
2235     for (i = 0; i < INPUT_EVENT_SLOTS_MAX; i++) {
2236         struct touch_slot *slot = &touch_slots[i];
2237         slot->tracking_id = -1;
2238     }
2239 
2240     return group;
2241 }
2242 
2243 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, DisplayOptions *opts)
2244 {
2245     GSList *group = NULL;
2246     GtkWidget *view_menu;
2247     GtkWidget *separator;
2248     QemuConsole *con;
2249     int vc;
2250 
2251     view_menu = gtk_menu_new();
2252     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2253 
2254     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2255 
2256 #if defined(CONFIG_VTE)
2257     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2258     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2259 #endif
2260 
2261     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2262             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2263     gtk_accel_label_set_accel(
2264             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2265             GDK_KEY_f, HOTKEY_MODIFIERS);
2266     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2267 
2268     separator = gtk_separator_menu_item_new();
2269     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2270 
2271     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2272     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2273                                  "<QEMU>/View/Zoom In");
2274     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2275                             HOTKEY_MODIFIERS);
2276     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2277             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2278     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2279 
2280     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2281     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2282                                  "<QEMU>/View/Zoom Out");
2283     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2284                             HOTKEY_MODIFIERS);
2285     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2286 
2287     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2288     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2289                                  "<QEMU>/View/Zoom Fixed");
2290     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2291                             HOTKEY_MODIFIERS);
2292     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2293 
2294     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2295     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2296 
2297     separator = gtk_separator_menu_item_new();
2298     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2299 
2300     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2301     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2302 
2303     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2304     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2305                                  "<QEMU>/View/Grab Input");
2306     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2307                             HOTKEY_MODIFIERS);
2308     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2309 
2310     separator = gtk_separator_menu_item_new();
2311     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2312 
2313     /* gfx */
2314     for (vc = 0;; vc++) {
2315         con = qemu_console_lookup_by_index(vc);
2316         if (!con) {
2317             break;
2318         }
2319         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2320                                vc, group, view_menu);
2321         s->nb_vcs++;
2322     }
2323 
2324 #if defined(CONFIG_VTE)
2325     /* vte */
2326     gd_vcs_init(s, group, view_menu);
2327 #endif
2328 
2329     separator = gtk_separator_menu_item_new();
2330     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2331 
2332     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2333     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2334 
2335     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2336     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2337 
2338     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2339             _("Show Menubar"));
2340     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2341                                    !opts->u.gtk.has_show_menubar ||
2342                                    opts->u.gtk.show_menubar);
2343     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2344             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2345     gtk_accel_label_set_accel(
2346             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2347             GDK_KEY_m, HOTKEY_MODIFIERS);
2348     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2349 
2350     return view_menu;
2351 }
2352 
2353 static void gd_create_menus(GtkDisplayState *s, DisplayOptions *opts)
2354 {
2355     GtkSettings *settings;
2356 
2357     s->accel_group = gtk_accel_group_new();
2358     s->machine_menu = gd_create_menu_machine(s);
2359     s->view_menu = gd_create_menu_view(s, opts);
2360 
2361     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2362     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2363                               s->machine_menu);
2364     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2365 
2366     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2367     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2368     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2369 
2370     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2371     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2372 
2373     /* Disable the default "F10" menu shortcut. */
2374     settings = gtk_widget_get_settings(s->window);
2375     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2376 }
2377 
2378 
2379 static gboolean gtkinit;
2380 
2381 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2382 {
2383     VirtualConsole *vc;
2384 
2385     GtkDisplayState *s;
2386     GdkDisplay *window_display;
2387     GtkIconTheme *theme;
2388     char *dir;
2389     int idx;
2390 
2391     if (!gtkinit) {
2392         fprintf(stderr, "gtk initialization failed\n");
2393         exit(1);
2394     }
2395     assert(opts->type == DISPLAY_TYPE_GTK);
2396     s = g_malloc0(sizeof(*s));
2397     s->opts = opts;
2398 
2399     theme = gtk_icon_theme_get_default();
2400     dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2401     gtk_icon_theme_prepend_search_path(theme, dir);
2402     g_free(dir);
2403     g_set_prgname("qemu");
2404 
2405     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2406     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2407     s->notebook = gtk_notebook_new();
2408     s->menu_bar = gtk_menu_bar_new();
2409 
2410     s->free_scale = FALSE;
2411 
2412     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2413      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2414      * printable, but without changing any of the character classes to make
2415      * sure that we don't accidentally break implicit assumptions.  */
2416     setlocale(LC_MESSAGES, "");
2417     setlocale(LC_CTYPE, "C.UTF-8");
2418     dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2419     bindtextdomain("qemu", dir);
2420     g_free(dir);
2421     bind_textdomain_codeset("qemu", "UTF-8");
2422     textdomain("qemu");
2423 
2424     window_display = gtk_widget_get_display(s->window);
2425     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2426         s->null_cursor = NULL; /* default pointer */
2427     } else {
2428         s->null_cursor = gdk_cursor_new_for_display(window_display,
2429                                                     GDK_BLANK_CURSOR);
2430     }
2431 
2432     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2433     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2434     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2435 
2436     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2437 
2438     gd_create_menus(s, opts);
2439 
2440     gd_connect_signals(s);
2441 
2442     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2443     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2444 
2445     gd_update_caption(s);
2446 
2447     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2448     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2449 
2450     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2451 
2452     gtk_widget_show_all(s->window);
2453 
2454     for (idx = 0;; idx++) {
2455         QemuConsole *con = qemu_console_lookup_by_index(idx);
2456         if (!con) {
2457             break;
2458         }
2459         gtk_widget_realize(s->vc[idx].gfx.drawing_area);
2460     }
2461 
2462     if (opts->u.gtk.has_show_menubar &&
2463         !opts->u.gtk.show_menubar) {
2464         gtk_widget_hide(s->menu_bar);
2465     }
2466 
2467     vc = gd_vc_find_current(s);
2468     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2469 #ifdef CONFIG_VTE
2470     gtk_widget_set_sensitive(s->copy_item,
2471                              vc && vc->type == GD_VC_VTE);
2472 #endif
2473 
2474     if (opts->has_full_screen &&
2475         opts->full_screen) {
2476         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2477     }
2478     if (opts->u.gtk.has_grab_on_hover &&
2479         opts->u.gtk.grab_on_hover) {
2480         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2481     }
2482     if (opts->u.gtk.has_show_tabs &&
2483         opts->u.gtk.show_tabs) {
2484         gtk_menu_item_activate(GTK_MENU_ITEM(s->show_tabs_item));
2485     }
2486 #ifdef CONFIG_GTK_CLIPBOARD
2487     gd_clipboard_init(s);
2488 #endif /* CONFIG_GTK_CLIPBOARD */
2489 
2490     /* GTK's event polling must happen on the main thread. */
2491     qemu_main = NULL;
2492 }
2493 
2494 static void early_gtk_display_init(DisplayOptions *opts)
2495 {
2496     /* The QEMU code relies on the assumption that it's always run in
2497      * the C locale. Therefore it is not prepared to deal with
2498      * operations that produce different results depending on the
2499      * locale, such as printf's formatting of decimal numbers, and
2500      * possibly others.
2501      *
2502      * Since GTK+ calls setlocale() by default -importing the locale
2503      * settings from the environment- we must prevent it from doing so
2504      * using gtk_disable_setlocale().
2505      *
2506      * QEMU's GTK+ UI, however, _does_ have translations for some of
2507      * the menu items. As a trade-off between a functionally correct
2508      * QEMU and a fully internationalized UI we support importing
2509      * LC_MESSAGES from the environment (see the setlocale() call
2510      * earlier in this file). This allows us to display translated
2511      * messages leaving everything else untouched.
2512      */
2513     gtk_disable_setlocale();
2514     gtkinit = gtk_init_check(NULL, NULL);
2515     if (!gtkinit) {
2516         /* don't exit yet, that'll break -help */
2517         return;
2518     }
2519 
2520     assert(opts->type == DISPLAY_TYPE_GTK);
2521     if (opts->has_gl && opts->gl != DISPLAY_GL_MODE_OFF) {
2522 #if defined(CONFIG_OPENGL)
2523 #if defined(GDK_WINDOWING_WAYLAND)
2524         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2525             gtk_use_gl_area = true;
2526             gtk_gl_area_init();
2527         } else
2528 #endif
2529 #if defined(GDK_WINDOWING_WIN32)
2530         if (GDK_IS_WIN32_DISPLAY(gdk_display_get_default())) {
2531             gtk_use_gl_area = true;
2532             gtk_gl_area_init();
2533         } else
2534 #endif
2535         {
2536 #ifdef CONFIG_X11
2537             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAY_GL_MODE_ON;
2538             gtk_egl_init(mode);
2539 #endif
2540         }
2541 #endif
2542     }
2543 
2544     keycode_map = gd_get_keymap(&keycode_maplen);
2545 
2546 #if defined(CONFIG_VTE)
2547     type_register_static(&char_gd_vc_type_info);
2548 #endif
2549 }
2550 
2551 static QemuDisplay qemu_display_gtk = {
2552     .type       = DISPLAY_TYPE_GTK,
2553     .early_init = early_gtk_display_init,
2554     .init       = gtk_display_init,
2555     .vc         = "vc",
2556 };
2557 
2558 static void register_gtk(void)
2559 {
2560     qemu_display_register(&qemu_display_gtk);
2561 }
2562 
2563 type_init(register_gtk);
2564 
2565 #ifdef CONFIG_OPENGL
2566 module_dep("ui-opengl");
2567 #endif
2568