xref: /openbmc/qemu/ui/gtk.c (revision 52f91c37)
1 /*
2  * GTK UI
3  *
4  * Copyright IBM, Corp. 2012
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  *
12  * Portions from gtk-vnc:
13  *
14  * GTK VNC Widget
15  *
16  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
18  *
19  * This library is free software; you can redistribute it and/or
20  * modify it under the terms of the GNU Lesser General Public
21  * License as published by the Free Software Foundation; either
22  * version 2.0 of the License, or (at your option) any later version.
23  *
24  * This library is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27  * Lesser General Public License for more details.
28  *
29  * You should have received a copy of the GNU Lesser General Public
30  * License along with this library; if not, write to the Free Software
31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
32  */
33 
34 #define GETTEXT_PACKAGE "qemu"
35 #define LOCALEDIR "po"
36 
37 #ifdef _WIN32
38 # define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
39 #endif
40 
41 #include "qemu-common.h"
42 
43 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
44 /* Work around an -Wstrict-prototypes warning in GTK headers */
45 #pragma GCC diagnostic push
46 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
47 #endif
48 #include <gtk/gtk.h>
49 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
50 #pragma GCC diagnostic pop
51 #endif
52 
53 
54 #include <gdk/gdkkeysyms.h>
55 #include <glib/gi18n.h>
56 #include <locale.h>
57 #if defined(CONFIG_VTE)
58 #include <vte/vte.h>
59 #endif
60 #include <math.h>
61 
62 #include "trace.h"
63 #include "ui/console.h"
64 #include "ui/input.h"
65 #include "sysemu/sysemu.h"
66 #include "qmp-commands.h"
67 #include "x_keymap.h"
68 #include "keymaps.h"
69 #include "sysemu/char.h"
70 
71 #define MAX_VCS 10
72 
73 #if !defined(CONFIG_VTE)
74 # define VTE_CHECK_VERSION(a, b, c) 0
75 #endif
76 
77 /* Compatibility define to let us build on both Gtk2 and Gtk3 */
78 #if GTK_CHECK_VERSION(3, 0, 0)
79 static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh)
80 {
81     *ww = gdk_window_get_width(w);
82     *wh = gdk_window_get_height(w);
83 }
84 #endif
85 
86 #if !GTK_CHECK_VERSION(2, 20, 0)
87 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
88 #endif
89 
90 #ifndef GDK_KEY_0
91 #define GDK_KEY_0 GDK_0
92 #define GDK_KEY_1 GDK_1
93 #define GDK_KEY_2 GDK_2
94 #define GDK_KEY_f GDK_f
95 #define GDK_KEY_g GDK_g
96 #define GDK_KEY_q GDK_q
97 #define GDK_KEY_plus GDK_plus
98 #define GDK_KEY_minus GDK_minus
99 #endif
100 
101 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
102 
103 static const int modifier_keycode[] = {
104     /* shift, control, alt keys, meta keys, both left & right */
105     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
106 };
107 
108 typedef struct VirtualConsole
109 {
110     GtkWidget *menu_item;
111     GtkWidget *terminal;
112 #if defined(CONFIG_VTE)
113     GtkWidget *scrolled_window;
114     CharDriverState *chr;
115 #endif
116 } VirtualConsole;
117 
118 typedef struct GtkDisplayState
119 {
120     GtkWidget *window;
121 
122     GtkWidget *menu_bar;
123 
124     GtkAccelGroup *accel_group;
125 
126     GtkWidget *machine_menu_item;
127     GtkWidget *machine_menu;
128     GtkWidget *pause_item;
129     GtkWidget *reset_item;
130     GtkWidget *powerdown_item;
131     GtkWidget *quit_item;
132 
133     GtkWidget *view_menu_item;
134     GtkWidget *view_menu;
135     GtkWidget *full_screen_item;
136     GtkWidget *zoom_in_item;
137     GtkWidget *zoom_out_item;
138     GtkWidget *zoom_fixed_item;
139     GtkWidget *zoom_fit_item;
140     GtkWidget *grab_item;
141     GtkWidget *grab_on_hover_item;
142     GtkWidget *vga_item;
143 
144     int nb_vcs;
145     VirtualConsole vc[MAX_VCS];
146 
147     GtkWidget *show_tabs_item;
148 
149     GtkWidget *vbox;
150     GtkWidget *notebook;
151     GtkWidget *drawing_area;
152     cairo_surface_t *surface;
153     pixman_image_t *convert;
154     DisplayChangeListener dcl;
155     DisplaySurface *ds;
156     int button_mask;
157     gboolean last_set;
158     int last_x;
159     int last_y;
160     int grab_x_root;
161     int grab_y_root;
162 
163     double scale_x;
164     double scale_y;
165     gboolean full_screen;
166 
167     GdkCursor *null_cursor;
168     Notifier mouse_mode_notifier;
169     gboolean free_scale;
170 
171     bool external_pause_update;
172 
173     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
174 } GtkDisplayState;
175 
176 static GtkDisplayState *global_state;
177 
178 /** Utility Functions **/
179 
180 static bool gd_is_grab_active(GtkDisplayState *s)
181 {
182     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
183 }
184 
185 static bool gd_grab_on_hover(GtkDisplayState *s)
186 {
187     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
188 }
189 
190 static bool gd_on_vga(GtkDisplayState *s)
191 {
192     return gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook)) == 0;
193 }
194 
195 static void gd_update_cursor(GtkDisplayState *s, gboolean override)
196 {
197     GdkWindow *window;
198     bool on_vga;
199 
200     window = gtk_widget_get_window(GTK_WIDGET(s->drawing_area));
201 
202     on_vga = gd_on_vga(s);
203 
204     if ((override || on_vga) &&
205         (s->full_screen || qemu_input_is_absolute() || gd_is_grab_active(s))) {
206         gdk_window_set_cursor(window, s->null_cursor);
207     } else {
208         gdk_window_set_cursor(window, NULL);
209     }
210 }
211 
212 static void gd_update_caption(GtkDisplayState *s)
213 {
214     const char *status = "";
215     gchar *title;
216     const char *grab = "";
217     bool is_paused = !runstate_is_running();
218 
219     if (gd_is_grab_active(s)) {
220         grab = _(" - Press Ctrl+Alt+G to release grab");
221     }
222 
223     if (is_paused) {
224         status = _(" [Paused]");
225     }
226     s->external_pause_update = true;
227     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
228                                    is_paused);
229     s->external_pause_update = false;
230 
231     if (qemu_name) {
232         title = g_strdup_printf("QEMU (%s)%s%s", qemu_name, status, grab);
233     } else {
234         title = g_strdup_printf("QEMU%s%s", status, grab);
235     }
236 
237     gtk_window_set_title(GTK_WINDOW(s->window), title);
238 
239     g_free(title);
240 }
241 
242 static void gd_update_windowsize(GtkDisplayState *s)
243 {
244     if (!s->full_screen) {
245         GtkRequisition req;
246         double sx, sy;
247 
248         if (s->free_scale) {
249             sx = s->scale_x;
250             sy = s->scale_y;
251 
252             s->scale_y = 1.0;
253             s->scale_x = 1.0;
254         } else {
255             sx = 1.0;
256             sy = 1.0;
257         }
258 
259         gtk_widget_set_size_request(s->drawing_area,
260                                     surface_width(s->ds) * s->scale_x,
261                                     surface_height(s->ds) * s->scale_y);
262 #if GTK_CHECK_VERSION(3, 0, 0)
263         gtk_widget_get_preferred_size(s->vbox, NULL, &req);
264 #else
265         gtk_widget_size_request(s->vbox, &req);
266 #endif
267 
268         gtk_window_resize(GTK_WINDOW(s->window),
269                           req.width * sx, req.height * sy);
270     }
271 }
272 
273 static void gd_update_full_redraw(GtkDisplayState *s)
274 {
275     int ww, wh;
276     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
277     gtk_widget_queue_draw_area(s->drawing_area, 0, 0, ww, wh);
278 }
279 
280 static void gtk_release_modifiers(GtkDisplayState *s)
281 {
282     int i, keycode;
283 
284     if (!gd_on_vga(s)) {
285         return;
286     }
287     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
288         keycode = modifier_keycode[i];
289         if (!s->modifier_pressed[i]) {
290             continue;
291         }
292         qemu_input_event_send_key_number(s->dcl.con, keycode, false);
293         s->modifier_pressed[i] = false;
294     }
295 }
296 
297 /** DisplayState Callbacks **/
298 
299 static void gd_update(DisplayChangeListener *dcl,
300                       int x, int y, int w, int h)
301 {
302     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
303     int x1, x2, y1, y2;
304     int mx, my;
305     int fbw, fbh;
306     int ww, wh;
307 
308     trace_gd_update(x, y, w, h);
309 
310     if (s->convert) {
311         pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
312                                x, y, 0, 0, x, y, w, h);
313     }
314 
315     x1 = floor(x * s->scale_x);
316     y1 = floor(y * s->scale_y);
317 
318     x2 = ceil(x * s->scale_x + w * s->scale_x);
319     y2 = ceil(y * s->scale_y + h * s->scale_y);
320 
321     fbw = surface_width(s->ds) * s->scale_x;
322     fbh = surface_height(s->ds) * s->scale_y;
323 
324     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
325 
326     mx = my = 0;
327     if (ww > fbw) {
328         mx = (ww - fbw) / 2;
329     }
330     if (wh > fbh) {
331         my = (wh - fbh) / 2;
332     }
333 
334     gtk_widget_queue_draw_area(s->drawing_area, mx + x1, my + y1, (x2 - x1), (y2 - y1));
335 }
336 
337 static void gd_refresh(DisplayChangeListener *dcl)
338 {
339     graphic_hw_update(dcl->con);
340 }
341 
342 #if GTK_CHECK_VERSION(3, 0, 0)
343 static void gd_mouse_set(DisplayChangeListener *dcl,
344                          int x, int y, int visible)
345 {
346     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
347     GdkDisplay *dpy;
348     GdkDeviceManager *mgr;
349     gint x_root, y_root;
350 
351     if (qemu_input_is_absolute()) {
352         return;
353     }
354 
355     dpy = gtk_widget_get_display(s->drawing_area);
356     mgr = gdk_display_get_device_manager(dpy);
357     gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
358                                x, y, &x_root, &y_root);
359     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
360                     gtk_widget_get_screen(s->drawing_area),
361                     x_root, y_root);
362 }
363 #else
364 static void gd_mouse_set(DisplayChangeListener *dcl,
365                          int x, int y, int visible)
366 {
367     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
368     gint x_root, y_root;
369 
370     if (qemu_input_is_absolute()) {
371         return;
372     }
373 
374     gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
375                                x, y, &x_root, &y_root);
376     gdk_display_warp_pointer(gtk_widget_get_display(s->drawing_area),
377                              gtk_widget_get_screen(s->drawing_area),
378                              x_root, y_root);
379 }
380 #endif
381 
382 static void gd_cursor_define(DisplayChangeListener *dcl,
383                              QEMUCursor *c)
384 {
385     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
386     GdkPixbuf *pixbuf;
387     GdkCursor *cursor;
388 
389     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
390                                       GDK_COLORSPACE_RGB, true, 8,
391                                       c->width, c->height, c->width * 4,
392                                       NULL, NULL);
393     cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(s->drawing_area),
394                                         pixbuf, c->hot_x, c->hot_y);
395     gdk_window_set_cursor(gtk_widget_get_window(s->drawing_area), cursor);
396     g_object_unref(pixbuf);
397 #if !GTK_CHECK_VERSION(3, 0, 0)
398     gdk_cursor_unref(cursor);
399 #else
400     g_object_unref(cursor);
401 #endif
402 }
403 
404 static void gd_switch(DisplayChangeListener *dcl,
405                       DisplaySurface *surface)
406 {
407     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
408     bool resized = true;
409 
410     trace_gd_switch(surface_width(surface), surface_height(surface));
411 
412     if (s->surface) {
413         cairo_surface_destroy(s->surface);
414     }
415 
416     if (s->ds &&
417         surface_width(s->ds) == surface_width(surface) &&
418         surface_height(s->ds) == surface_height(surface)) {
419         resized = false;
420     }
421     s->ds = surface;
422 
423     if (s->convert) {
424         pixman_image_unref(s->convert);
425         s->convert = NULL;
426     }
427 
428     if (surface->format == PIXMAN_x8r8g8b8) {
429         /*
430          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
431          *
432          * No need to convert, use surface directly.  Should be the
433          * common case as this is qemu_default_pixelformat(32) too.
434          */
435         s->surface = cairo_image_surface_create_for_data
436             (surface_data(surface),
437              CAIRO_FORMAT_RGB24,
438              surface_width(surface),
439              surface_height(surface),
440              surface_stride(surface));
441     } else {
442         /* Must convert surface, use pixman to do it. */
443         s->convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
444                                               surface_width(surface),
445                                               surface_height(surface),
446                                               NULL, 0);
447         s->surface = cairo_image_surface_create_for_data
448             ((void *)pixman_image_get_data(s->convert),
449              CAIRO_FORMAT_RGB24,
450              pixman_image_get_width(s->convert),
451              pixman_image_get_height(s->convert),
452              pixman_image_get_stride(s->convert));
453         pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
454                                0, 0, 0, 0, 0, 0,
455                                pixman_image_get_width(s->convert),
456                                pixman_image_get_height(s->convert));
457     }
458 
459     if (resized) {
460         gd_update_windowsize(s);
461     } else {
462         gd_update_full_redraw(s);
463     }
464 }
465 
466 /** QEMU Events **/
467 
468 static void gd_change_runstate(void *opaque, int running, RunState state)
469 {
470     GtkDisplayState *s = opaque;
471 
472     gd_update_caption(s);
473 }
474 
475 static void gd_mouse_mode_change(Notifier *notify, void *data)
476 {
477     GtkDisplayState *s;
478 
479     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
480     /* release the grab at switching to absolute mode */
481     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
482         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
483                                        FALSE);
484     }
485     gd_update_cursor(s, FALSE);
486 }
487 
488 /** GTK Events **/
489 
490 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
491                                 void *opaque)
492 {
493     GtkDisplayState *s = opaque;
494 
495     if (!no_quit) {
496         unregister_displaychangelistener(&s->dcl);
497         qmp_quit(NULL);
498         return FALSE;
499     }
500 
501     return TRUE;
502 }
503 
504 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
505 {
506     GtkDisplayState *s = opaque;
507     int mx, my;
508     int ww, wh;
509     int fbw, fbh;
510 
511     if (!gtk_widget_get_realized(widget)) {
512         return FALSE;
513     }
514 
515     fbw = surface_width(s->ds);
516     fbh = surface_height(s->ds);
517 
518     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
519 
520     if (s->full_screen) {
521         s->scale_x = (double)ww / fbw;
522         s->scale_y = (double)wh / fbh;
523     } else if (s->free_scale) {
524         double sx, sy;
525 
526         sx = (double)ww / fbw;
527         sy = (double)wh / fbh;
528 
529         s->scale_x = s->scale_y = MIN(sx, sy);
530     }
531 
532     fbw *= s->scale_x;
533     fbh *= s->scale_y;
534 
535     mx = my = 0;
536     if (ww > fbw) {
537         mx = (ww - fbw) / 2;
538     }
539     if (wh > fbh) {
540         my = (wh - fbh) / 2;
541     }
542 
543     cairo_rectangle(cr, 0, 0, ww, wh);
544 
545     /* Optionally cut out the inner area where the pixmap
546        will be drawn. This avoids 'flashing' since we're
547        not double-buffering. Note we're using the undocumented
548        behaviour of drawing the rectangle from right to left
549        to cut out the whole */
550     cairo_rectangle(cr, mx + fbw, my,
551                     -1 * fbw, fbh);
552     cairo_fill(cr);
553 
554     cairo_scale(cr, s->scale_x, s->scale_y);
555     cairo_set_source_surface(cr, s->surface, mx / s->scale_x, my / s->scale_y);
556     cairo_paint(cr);
557 
558     return TRUE;
559 }
560 
561 #if !GTK_CHECK_VERSION(3, 0, 0)
562 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
563                                 void *opaque)
564 {
565     cairo_t *cr;
566     gboolean ret;
567 
568     cr = gdk_cairo_create(gtk_widget_get_window(widget));
569     cairo_rectangle(cr,
570                     expose->area.x,
571                     expose->area.y,
572                     expose->area.width,
573                     expose->area.height);
574     cairo_clip(cr);
575 
576     ret = gd_draw_event(widget, cr, opaque);
577 
578     cairo_destroy(cr);
579 
580     return ret;
581 }
582 #endif
583 
584 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
585                                 void *opaque)
586 {
587     GtkDisplayState *s = opaque;
588     int x, y;
589     int mx, my;
590     int fbh, fbw;
591     int ww, wh;
592 
593     fbw = surface_width(s->ds) * s->scale_x;
594     fbh = surface_height(s->ds) * s->scale_y;
595 
596     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
597 
598     mx = my = 0;
599     if (ww > fbw) {
600         mx = (ww - fbw) / 2;
601     }
602     if (wh > fbh) {
603         my = (wh - fbh) / 2;
604     }
605 
606     x = (motion->x - mx) / s->scale_x;
607     y = (motion->y - my) / s->scale_y;
608 
609     if (qemu_input_is_absolute()) {
610         if (x < 0 || y < 0 ||
611             x >= surface_width(s->ds) ||
612             y >= surface_height(s->ds)) {
613             return TRUE;
614         }
615         qemu_input_queue_abs(s->dcl.con, INPUT_AXIS_X, x,
616                              surface_width(s->ds));
617         qemu_input_queue_abs(s->dcl.con, INPUT_AXIS_Y, y,
618                              surface_height(s->ds));
619         qemu_input_event_sync();
620     } else if (s->last_set && gd_is_grab_active(s)) {
621         qemu_input_queue_rel(s->dcl.con, INPUT_AXIS_X, x - s->last_x);
622         qemu_input_queue_rel(s->dcl.con, INPUT_AXIS_Y, y - s->last_y);
623         qemu_input_event_sync();
624     }
625     s->last_x = x;
626     s->last_y = y;
627     s->last_set = TRUE;
628 
629     if (!qemu_input_is_absolute() && gd_is_grab_active(s)) {
630         GdkScreen *screen = gtk_widget_get_screen(s->drawing_area);
631         int x = (int)motion->x_root;
632         int y = (int)motion->y_root;
633 
634         /* In relative mode check to see if client pointer hit
635          * one of the screen edges, and if so move it back by
636          * 200 pixels. This is important because the pointer
637          * in the server doesn't correspond 1-for-1, and so
638          * may still be only half way across the screen. Without
639          * this warp, the server pointer would thus appear to hit
640          * an invisible wall */
641         if (x == 0) {
642             x += 200;
643         }
644         if (y == 0) {
645             y += 200;
646         }
647         if (x == (gdk_screen_get_width(screen) - 1)) {
648             x -= 200;
649         }
650         if (y == (gdk_screen_get_height(screen) - 1)) {
651             y -= 200;
652         }
653 
654         if (x != (int)motion->x_root || y != (int)motion->y_root) {
655 #if GTK_CHECK_VERSION(3, 0, 0)
656             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
657             gdk_device_warp(dev, screen, x, y);
658 #else
659             GdkDisplay *display = gtk_widget_get_display(widget);
660             gdk_display_warp_pointer(display, screen, x, y);
661 #endif
662             s->last_set = FALSE;
663             return FALSE;
664         }
665     }
666     return TRUE;
667 }
668 
669 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
670                                 void *opaque)
671 {
672     GtkDisplayState *s = opaque;
673     InputButton btn;
674 
675     /* implicitly grab the input at the first click in the relative mode */
676     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
677         !qemu_input_is_absolute() && !gd_is_grab_active(s)) {
678         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
679                                        TRUE);
680         return TRUE;
681     }
682 
683     if (button->button == 1) {
684         btn = INPUT_BUTTON_LEFT;
685     } else if (button->button == 2) {
686         btn = INPUT_BUTTON_MIDDLE;
687     } else if (button->button == 3) {
688         btn = INPUT_BUTTON_RIGHT;
689     } else {
690         return TRUE;
691     }
692 
693     qemu_input_queue_btn(s->dcl.con, btn, button->type == GDK_BUTTON_PRESS);
694     qemu_input_event_sync();
695     return TRUE;
696 }
697 
698 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
699                                 void *opaque)
700 {
701     GtkDisplayState *s = opaque;
702     InputButton btn;
703 
704     if (scroll->direction == GDK_SCROLL_UP) {
705         btn = INPUT_BUTTON_WHEEL_UP;
706     } else if (scroll->direction == GDK_SCROLL_DOWN) {
707         btn = INPUT_BUTTON_WHEEL_DOWN;
708     } else {
709         return TRUE;
710     }
711 
712     qemu_input_queue_btn(s->dcl.con, btn, true);
713     qemu_input_event_sync();
714     qemu_input_queue_btn(s->dcl.con, btn, false);
715     qemu_input_event_sync();
716     return TRUE;
717 }
718 
719 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
720 {
721     GtkDisplayState *s = opaque;
722     int gdk_keycode = key->hardware_keycode;
723     int i;
724 
725 #ifdef _WIN32
726     UINT qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
727     switch (qemu_keycode) {
728     case 103:   /* alt gr */
729         qemu_keycode = 56 | SCANCODE_GREY;
730         break;
731     }
732 #else
733     int qemu_keycode;
734 
735     if (gdk_keycode < 9) {
736         qemu_keycode = 0;
737     } else if (gdk_keycode < 97) {
738         qemu_keycode = gdk_keycode - 8;
739     } else if (gdk_keycode < 158) {
740         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
741     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
742         qemu_keycode = 0x70;
743     } else if (gdk_keycode == 211) { /* backslash */
744         qemu_keycode = 0x73;
745     } else {
746         qemu_keycode = 0;
747     }
748 #endif
749 
750     trace_gd_key_event(gdk_keycode, qemu_keycode,
751                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
752 
753     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
754         if (qemu_keycode == modifier_keycode[i]) {
755             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
756         }
757     }
758 
759     qemu_input_event_send_key_number(s->dcl.con, qemu_keycode,
760                                      key->type == GDK_KEY_PRESS);
761 
762     return TRUE;
763 }
764 
765 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
766 {
767     if (event->type == GDK_MOTION_NOTIFY) {
768         return gd_motion_event(widget, &event->motion, opaque);
769     }
770     return FALSE;
771 }
772 
773 /** Window Menu Actions **/
774 
775 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
776 {
777     GtkDisplayState *s = opaque;
778 
779     if (s->external_pause_update) {
780         return;
781     }
782     if (runstate_is_running()) {
783         qmp_stop(NULL);
784     } else {
785         qmp_cont(NULL);
786     }
787 }
788 
789 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
790 {
791     qmp_system_reset(NULL);
792 }
793 
794 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
795 {
796     qmp_system_powerdown(NULL);
797 }
798 
799 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
800 {
801     qmp_quit(NULL);
802 }
803 
804 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
805 {
806     GtkDisplayState *s = opaque;
807 
808     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vga_item))) {
809         gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), 0);
810     } else {
811         int i;
812 
813         gtk_release_modifiers(s);
814         for (i = 0; i < s->nb_vcs; i++) {
815             if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vc[i].menu_item))) {
816                 gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), i + 1);
817                 break;
818             }
819         }
820     }
821 }
822 
823 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
824 {
825     GtkDisplayState *s = opaque;
826 
827     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
828         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
829     } else {
830         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
831     }
832 }
833 
834 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
835 {
836     GtkDisplayState *s = opaque;
837 
838     if (!s->full_screen) {
839         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
840         gtk_widget_set_size_request(s->menu_bar, 0, 0);
841         gtk_widget_set_size_request(s->drawing_area, -1, -1);
842         gtk_window_fullscreen(GTK_WINDOW(s->window));
843         if (gd_on_vga(s)) {
844             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), TRUE);
845         }
846         s->full_screen = TRUE;
847     } else {
848         gtk_window_unfullscreen(GTK_WINDOW(s->window));
849         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
850         gtk_widget_set_size_request(s->menu_bar, -1, -1);
851         gtk_widget_set_size_request(s->drawing_area,
852                                     surface_width(s->ds),
853                                     surface_height(s->ds));
854         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), FALSE);
855         s->full_screen = FALSE;
856         s->scale_x = 1.0;
857         s->scale_y = 1.0;
858     }
859 
860     gd_update_cursor(s, FALSE);
861 }
862 
863 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
864 {
865     GtkDisplayState *s = opaque;
866 
867     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
868                                    FALSE);
869 
870     s->scale_x += .25;
871     s->scale_y += .25;
872 
873     gd_update_windowsize(s);
874 }
875 
876 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
877 {
878     GtkDisplayState *s = opaque;
879 
880     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
881                                    FALSE);
882 
883     s->scale_x -= .25;
884     s->scale_y -= .25;
885 
886     s->scale_x = MAX(s->scale_x, .25);
887     s->scale_y = MAX(s->scale_y, .25);
888 
889     gd_update_windowsize(s);
890 }
891 
892 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
893 {
894     GtkDisplayState *s = opaque;
895 
896     s->scale_x = 1.0;
897     s->scale_y = 1.0;
898 
899     gd_update_windowsize(s);
900 }
901 
902 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
903 {
904     GtkDisplayState *s = opaque;
905 
906     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
907         s->free_scale = TRUE;
908     } else {
909         s->free_scale = FALSE;
910         s->scale_x = 1.0;
911         s->scale_y = 1.0;
912         gd_update_windowsize(s);
913     }
914 
915     gd_update_full_redraw(s);
916 }
917 
918 static void gd_grab_keyboard(GtkDisplayState *s)
919 {
920 #if GTK_CHECK_VERSION(3, 0, 0)
921     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
922     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
923     GList *devices = gdk_device_manager_list_devices(mgr,
924                                                      GDK_DEVICE_TYPE_MASTER);
925     GList *tmp = devices;
926     while (tmp) {
927         GdkDevice *dev = tmp->data;
928         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
929             gdk_device_grab(dev,
930                             gtk_widget_get_window(s->drawing_area),
931                             GDK_OWNERSHIP_NONE,
932                             FALSE,
933                             GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
934                             NULL,
935                             GDK_CURRENT_TIME);
936         }
937         tmp = tmp->next;
938     }
939     g_list_free(devices);
940 #else
941     gdk_keyboard_grab(gtk_widget_get_window(s->drawing_area),
942                       FALSE,
943                       GDK_CURRENT_TIME);
944 #endif
945 }
946 
947 static void gd_ungrab_keyboard(GtkDisplayState *s)
948 {
949 #if GTK_CHECK_VERSION(3, 0, 0)
950     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
951     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
952     GList *devices = gdk_device_manager_list_devices(mgr,
953                                                      GDK_DEVICE_TYPE_MASTER);
954     GList *tmp = devices;
955     while (tmp) {
956         GdkDevice *dev = tmp->data;
957         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
958             gdk_device_ungrab(dev,
959                               GDK_CURRENT_TIME);
960         }
961         tmp = tmp->next;
962     }
963     g_list_free(devices);
964 #else
965     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
966 #endif
967 }
968 
969 static void gd_grab_pointer(GtkDisplayState *s)
970 {
971     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
972 #if GTK_CHECK_VERSION(3, 0, 0)
973     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
974     GList *devices = gdk_device_manager_list_devices(mgr,
975                                                      GDK_DEVICE_TYPE_MASTER);
976     GList *tmp = devices;
977     while (tmp) {
978         GdkDevice *dev = tmp->data;
979         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
980             gdk_device_grab(dev,
981                             gtk_widget_get_window(s->drawing_area),
982                             GDK_OWNERSHIP_NONE,
983                             FALSE, /* All events to come to our
984                                       window directly */
985                             GDK_POINTER_MOTION_MASK |
986                             GDK_BUTTON_PRESS_MASK |
987                             GDK_BUTTON_RELEASE_MASK |
988                             GDK_BUTTON_MOTION_MASK |
989                             GDK_SCROLL_MASK,
990                             s->null_cursor,
991                             GDK_CURRENT_TIME);
992         }
993         tmp = tmp->next;
994     }
995     g_list_free(devices);
996     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
997                             NULL, &s->grab_x_root, &s->grab_y_root);
998 #else
999     gdk_pointer_grab(gtk_widget_get_window(s->drawing_area),
1000                      FALSE, /* All events to come to our window directly */
1001                      GDK_POINTER_MOTION_MASK |
1002                      GDK_BUTTON_PRESS_MASK |
1003                      GDK_BUTTON_RELEASE_MASK |
1004                      GDK_BUTTON_MOTION_MASK |
1005                      GDK_SCROLL_MASK,
1006                      NULL, /* Allow cursor to move over entire desktop */
1007                      s->null_cursor,
1008                      GDK_CURRENT_TIME);
1009     gdk_display_get_pointer(display, NULL,
1010                             &s->grab_x_root, &s->grab_y_root, NULL);
1011 #endif
1012 }
1013 
1014 static void gd_ungrab_pointer(GtkDisplayState *s)
1015 {
1016     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
1017 #if GTK_CHECK_VERSION(3, 0, 0)
1018     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1019     GList *devices = gdk_device_manager_list_devices(mgr,
1020                                                      GDK_DEVICE_TYPE_MASTER);
1021     GList *tmp = devices;
1022     while (tmp) {
1023         GdkDevice *dev = tmp->data;
1024         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
1025             gdk_device_ungrab(dev,
1026                               GDK_CURRENT_TIME);
1027         }
1028         tmp = tmp->next;
1029     }
1030     g_list_free(devices);
1031     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1032                     gtk_widget_get_screen(s->drawing_area),
1033                     s->grab_x_root, s->grab_y_root);
1034 #else
1035     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1036     gdk_display_warp_pointer(display,
1037                              gtk_widget_get_screen(s->drawing_area),
1038                              s->grab_x_root, s->grab_y_root);
1039 #endif
1040 }
1041 
1042 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1043 {
1044     GtkDisplayState *s = opaque;
1045 
1046     if (gd_is_grab_active(s)) {
1047         gd_grab_keyboard(s);
1048         gd_grab_pointer(s);
1049     } else {
1050         gd_ungrab_keyboard(s);
1051         gd_ungrab_pointer(s);
1052     }
1053 
1054     gd_update_caption(s);
1055     gd_update_cursor(s, FALSE);
1056 }
1057 
1058 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1059                            gpointer data)
1060 {
1061     GtkDisplayState *s = data;
1062     guint last_page;
1063     gboolean on_vga;
1064 
1065     if (!gtk_widget_get_realized(s->notebook)) {
1066         return;
1067     }
1068 
1069     last_page = gtk_notebook_get_current_page(nb);
1070 
1071     if (last_page) {
1072         gtk_widget_set_size_request(s->vc[last_page - 1].terminal, -1, -1);
1073     }
1074 
1075     on_vga = arg2 == 0;
1076 
1077     if (!on_vga) {
1078         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1079                                        FALSE);
1080     } else if (s->full_screen) {
1081         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1082                                        TRUE);
1083     }
1084 
1085     if (arg2 == 0) {
1086         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->vga_item), TRUE);
1087     } else {
1088 #if defined(CONFIG_VTE)
1089         VirtualConsole *vc = &s->vc[arg2 - 1];
1090         VteTerminal *term = VTE_TERMINAL(vc->terminal);
1091         int width, height;
1092 
1093         width = 80 * vte_terminal_get_char_width(term);
1094         height = 25 * vte_terminal_get_char_height(term);
1095 
1096         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1097         gtk_widget_set_size_request(vc->terminal, width, height);
1098 #else
1099         g_assert_not_reached();
1100 #endif
1101     }
1102 
1103     gtk_widget_set_sensitive(s->grab_item, on_vga);
1104 
1105     gd_update_cursor(s, TRUE);
1106 }
1107 
1108 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
1109 {
1110     GtkDisplayState *s = data;
1111 
1112     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1113         gd_grab_keyboard(s);
1114     }
1115 
1116     return TRUE;
1117 }
1118 
1119 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
1120 {
1121     GtkDisplayState *s = data;
1122 
1123     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1124         gd_ungrab_keyboard(s);
1125     }
1126 
1127     return TRUE;
1128 }
1129 
1130 static gboolean gd_focus_out_event(GtkWidget *widget,
1131                                    GdkEventCrossing *crossing, gpointer data)
1132 {
1133     GtkDisplayState *s = data;
1134 
1135     gtk_release_modifiers(s);
1136 
1137     return TRUE;
1138 }
1139 
1140 /** Virtual Console Callbacks **/
1141 
1142 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1143 {
1144 #if defined(CONFIG_VTE)
1145     VirtualConsole *vc = chr->opaque;
1146 
1147     vte_terminal_feed(VTE_TERMINAL(vc->terminal), (const char *)buf, len);
1148 #endif
1149     return len;
1150 }
1151 
1152 static int nb_vcs;
1153 static CharDriverState *vcs[MAX_VCS];
1154 
1155 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1156 {
1157     CharDriverState *chr;
1158 
1159     chr = g_malloc0(sizeof(*chr));
1160     chr->chr_write = gd_vc_chr_write;
1161     /* defer OPENED events until our vc is fully initialized */
1162     chr->explicit_be_open = true;
1163 
1164     vcs[nb_vcs++] = chr;
1165 
1166     return chr;
1167 }
1168 
1169 void early_gtk_display_init(void)
1170 {
1171     register_vc_handler(gd_vc_handler);
1172 }
1173 
1174 #if defined(CONFIG_VTE)
1175 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1176                          gpointer user_data)
1177 {
1178     VirtualConsole *vc = user_data;
1179 
1180     qemu_chr_be_write(vc->chr, (uint8_t  *)text, (unsigned int)size);
1181     return TRUE;
1182 }
1183 #endif
1184 
1185 static GSList *gd_vc_init(GtkDisplayState *s, VirtualConsole *vc, int index, GSList *group,
1186                           GtkWidget *view_menu)
1187 {
1188 #if defined(CONFIG_VTE)
1189     const char *label;
1190     char buffer[32];
1191     char path[32];
1192     GtkWidget *scrolled_window;
1193     GtkAdjustment *vadjustment;
1194 
1195     snprintf(buffer, sizeof(buffer), "vc%d", index);
1196     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", index);
1197 
1198     vc->chr = vcs[index];
1199 
1200     if (vc->chr->label) {
1201         label = vc->chr->label;
1202     } else {
1203         label = buffer;
1204     }
1205 
1206     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, label);
1207     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1208     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1209     gtk_accel_map_add_entry(path, GDK_KEY_2 + index, HOTKEY_MODIFIERS);
1210 
1211     vc->terminal = vte_terminal_new();
1212     g_signal_connect(vc->terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1213 
1214     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->terminal), -1);
1215 
1216 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1217     vadjustment = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vc->terminal));
1218 #else
1219     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->terminal));
1220 #endif
1221 
1222     scrolled_window = gtk_scrolled_window_new(NULL, vadjustment);
1223     gtk_container_add(GTK_CONTAINER(scrolled_window), vc->terminal);
1224 
1225     vte_terminal_set_size(VTE_TERMINAL(vc->terminal), 80, 25);
1226 
1227     vc->chr->opaque = vc;
1228     vc->scrolled_window = scrolled_window;
1229 
1230     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vc->scrolled_window),
1231                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1232 
1233     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), scrolled_window, gtk_label_new(label));
1234     g_signal_connect(vc->menu_item, "activate",
1235                      G_CALLBACK(gd_menu_switch_vc), s);
1236 
1237     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1238 
1239     qemu_chr_be_generic_open(vc->chr);
1240     if (vc->chr->init) {
1241         vc->chr->init(vc->chr);
1242     }
1243 
1244 #endif /* CONFIG_VTE */
1245     return group;
1246 }
1247 
1248 /** Window Creation **/
1249 
1250 static void gd_connect_signals(GtkDisplayState *s)
1251 {
1252     g_signal_connect(s->show_tabs_item, "activate",
1253                      G_CALLBACK(gd_menu_show_tabs), s);
1254 
1255     g_signal_connect(s->window, "delete-event",
1256                      G_CALLBACK(gd_window_close), s);
1257 
1258 #if GTK_CHECK_VERSION(3, 0, 0)
1259     g_signal_connect(s->drawing_area, "draw",
1260                      G_CALLBACK(gd_draw_event), s);
1261 #else
1262     g_signal_connect(s->drawing_area, "expose-event",
1263                      G_CALLBACK(gd_expose_event), s);
1264 #endif
1265     g_signal_connect(s->drawing_area, "event",
1266                      G_CALLBACK(gd_event), s);
1267     g_signal_connect(s->drawing_area, "button-press-event",
1268                      G_CALLBACK(gd_button_event), s);
1269     g_signal_connect(s->drawing_area, "button-release-event",
1270                      G_CALLBACK(gd_button_event), s);
1271     g_signal_connect(s->drawing_area, "scroll-event",
1272                      G_CALLBACK(gd_scroll_event), s);
1273     g_signal_connect(s->drawing_area, "key-press-event",
1274                      G_CALLBACK(gd_key_event), s);
1275     g_signal_connect(s->drawing_area, "key-release-event",
1276                      G_CALLBACK(gd_key_event), s);
1277 
1278     g_signal_connect(s->pause_item, "activate",
1279                      G_CALLBACK(gd_menu_pause), s);
1280     g_signal_connect(s->reset_item, "activate",
1281                      G_CALLBACK(gd_menu_reset), s);
1282     g_signal_connect(s->powerdown_item, "activate",
1283                      G_CALLBACK(gd_menu_powerdown), s);
1284     g_signal_connect(s->quit_item, "activate",
1285                      G_CALLBACK(gd_menu_quit), s);
1286     g_signal_connect(s->full_screen_item, "activate",
1287                      G_CALLBACK(gd_menu_full_screen), s);
1288     g_signal_connect(s->zoom_in_item, "activate",
1289                      G_CALLBACK(gd_menu_zoom_in), s);
1290     g_signal_connect(s->zoom_out_item, "activate",
1291                      G_CALLBACK(gd_menu_zoom_out), s);
1292     g_signal_connect(s->zoom_fixed_item, "activate",
1293                      G_CALLBACK(gd_menu_zoom_fixed), s);
1294     g_signal_connect(s->zoom_fit_item, "activate",
1295                      G_CALLBACK(gd_menu_zoom_fit), s);
1296     g_signal_connect(s->vga_item, "activate",
1297                      G_CALLBACK(gd_menu_switch_vc), s);
1298     g_signal_connect(s->grab_item, "activate",
1299                      G_CALLBACK(gd_menu_grab_input), s);
1300     g_signal_connect(s->notebook, "switch-page",
1301                      G_CALLBACK(gd_change_page), s);
1302     g_signal_connect(s->drawing_area, "enter-notify-event",
1303                      G_CALLBACK(gd_enter_event), s);
1304     g_signal_connect(s->drawing_area, "leave-notify-event",
1305                      G_CALLBACK(gd_leave_event), s);
1306     g_signal_connect(s->drawing_area, "focus-out-event",
1307                      G_CALLBACK(gd_focus_out_event), s);
1308 }
1309 
1310 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
1311 {
1312     GtkWidget *machine_menu;
1313     GtkWidget *separator;
1314 
1315     machine_menu = gtk_menu_new();
1316     gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
1317 
1318     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1319     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1320 
1321     separator = gtk_separator_menu_item_new();
1322     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1323 
1324     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1325     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1326 
1327     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1328     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1329 
1330     separator = gtk_separator_menu_item_new();
1331     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1332 
1333     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1334     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1335                                  "<QEMU>/Machine/Quit");
1336     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1337                             GDK_KEY_q, HOTKEY_MODIFIERS);
1338     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1339 
1340     return machine_menu;
1341 }
1342 
1343 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
1344 {
1345     GSList *group = NULL;
1346     GtkWidget *view_menu;
1347     GtkWidget *separator;
1348     int i;
1349 
1350     view_menu = gtk_menu_new();
1351     gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
1352 
1353     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1354     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1355                                  "<QEMU>/View/Full Screen");
1356     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
1357                             HOTKEY_MODIFIERS);
1358     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1359 
1360     separator = gtk_separator_menu_item_new();
1361     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1362 
1363     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1364     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1365                                  "<QEMU>/View/Zoom In");
1366     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1367                             HOTKEY_MODIFIERS);
1368     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1369 
1370     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1371     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1372                                  "<QEMU>/View/Zoom Out");
1373     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1374                             HOTKEY_MODIFIERS);
1375     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1376 
1377     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1378     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1379                                  "<QEMU>/View/Zoom Fixed");
1380     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1381                             HOTKEY_MODIFIERS);
1382     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1383 
1384     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1385     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1386 
1387     separator = gtk_separator_menu_item_new();
1388     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1389 
1390     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1391     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1392 
1393     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1394     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1395                                  "<QEMU>/View/Grab Input");
1396     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1397                             HOTKEY_MODIFIERS);
1398     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1399 
1400     separator = gtk_separator_menu_item_new();
1401     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1402 
1403     s->vga_item = gtk_radio_menu_item_new_with_mnemonic(group, "_VGA");
1404     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(s->vga_item));
1405     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->vga_item),
1406                                  "<QEMU>/View/VGA");
1407     gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, HOTKEY_MODIFIERS);
1408     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->vga_item);
1409 
1410     for (i = 0; i < nb_vcs; i++) {
1411         VirtualConsole *vc = &s->vc[i];
1412 
1413         group = gd_vc_init(s, vc, i, group, view_menu);
1414         s->nb_vcs++;
1415     }
1416 
1417     separator = gtk_separator_menu_item_new();
1418     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1419 
1420     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1421     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1422 
1423     return view_menu;
1424 }
1425 
1426 static void gd_create_menus(GtkDisplayState *s)
1427 {
1428     GtkAccelGroup *accel_group;
1429 
1430     accel_group = gtk_accel_group_new();
1431     s->machine_menu = gd_create_menu_machine(s, accel_group);
1432     s->view_menu = gd_create_menu_view(s, accel_group);
1433 
1434     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1435     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1436                               s->machine_menu);
1437     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1438 
1439     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1440     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1441     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1442 
1443     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1444     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1445     s->accel_group = accel_group;
1446 }
1447 
1448 static const DisplayChangeListenerOps dcl_ops = {
1449     .dpy_name          = "gtk",
1450     .dpy_gfx_update    = gd_update,
1451     .dpy_gfx_switch    = gd_switch,
1452     .dpy_refresh       = gd_refresh,
1453     .dpy_mouse_set     = gd_mouse_set,
1454     .dpy_cursor_define = gd_cursor_define,
1455 };
1456 
1457 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1458 {
1459     GtkDisplayState *s = g_malloc0(sizeof(*s));
1460     char *filename;
1461 
1462     gtk_init(NULL, NULL);
1463 
1464     s->dcl.ops = &dcl_ops;
1465     s->dcl.con = qemu_console_lookup_by_index(0);
1466 
1467     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1468 #if GTK_CHECK_VERSION(3, 2, 0)
1469     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1470 #else
1471     s->vbox = gtk_vbox_new(FALSE, 0);
1472 #endif
1473     s->notebook = gtk_notebook_new();
1474     s->drawing_area = gtk_drawing_area_new();
1475     s->menu_bar = gtk_menu_bar_new();
1476 
1477     s->scale_x = 1.0;
1478     s->scale_y = 1.0;
1479     s->free_scale = FALSE;
1480 
1481     setlocale(LC_ALL, "");
1482     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1483     textdomain("qemu");
1484 
1485     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1486 
1487     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1488     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1489     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1490 
1491     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), s->drawing_area, gtk_label_new("VGA"));
1492 
1493     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1494     if (filename) {
1495         GError *error = NULL;
1496         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1497         if (pixbuf) {
1498             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1499         } else {
1500             g_error_free(error);
1501         }
1502         g_free(filename);
1503     }
1504 
1505     gd_create_menus(s);
1506 
1507     gd_connect_signals(s);
1508 
1509     gtk_widget_add_events(s->drawing_area,
1510                           GDK_POINTER_MOTION_MASK |
1511                           GDK_BUTTON_PRESS_MASK |
1512                           GDK_BUTTON_RELEASE_MASK |
1513                           GDK_BUTTON_MOTION_MASK |
1514                           GDK_ENTER_NOTIFY_MASK |
1515                           GDK_LEAVE_NOTIFY_MASK |
1516                           GDK_SCROLL_MASK |
1517                           GDK_KEY_PRESS_MASK);
1518     gtk_widget_set_double_buffered(s->drawing_area, FALSE);
1519     gtk_widget_set_can_focus(s->drawing_area, TRUE);
1520 
1521     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1522     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1523 
1524     gd_update_caption(s);
1525 
1526     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1527     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1528 
1529     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1530 
1531     gtk_widget_show_all(s->window);
1532 
1533     if (full_screen) {
1534         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1535     }
1536     if (grab_on_hover) {
1537         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1538     }
1539 
1540     register_displaychangelistener(&s->dcl);
1541 
1542     global_state = s;
1543 }
1544