xref: /openbmc/qemu/ui/gtk.c (revision dffacd46)
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_plus GDK_plus
97 #define GDK_KEY_minus GDK_minus
98 #endif
99 
100 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
101 #define IGNORE_MODIFIER_MASK \
102     (GDK_MODIFIER_MASK & ~(GDK_LOCK_MASK | GDK_MOD2_MASK))
103 
104 static const int modifier_keycode[] = {
105     /* shift, control, alt keys, meta keys, both left & right */
106     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
107 };
108 
109 typedef struct VirtualConsole
110 {
111     GtkWidget *menu_item;
112     GtkWidget *terminal;
113 #if defined(CONFIG_VTE)
114     GtkWidget *scrolled_window;
115     CharDriverState *chr;
116 #endif
117     int fd;
118 } VirtualConsole;
119 
120 typedef struct GtkDisplayState
121 {
122     GtkWidget *window;
123 
124     GtkWidget *menu_bar;
125 
126     GtkAccelGroup *accel_group;
127 
128     GtkWidget *machine_menu_item;
129     GtkWidget *machine_menu;
130     GtkWidget *pause_item;
131     GtkWidget *reset_item;
132     GtkWidget *powerdown_item;
133     GtkWidget *quit_item;
134 
135     GtkWidget *view_menu_item;
136     GtkWidget *view_menu;
137     GtkWidget *full_screen_item;
138     GtkWidget *zoom_in_item;
139     GtkWidget *zoom_out_item;
140     GtkWidget *zoom_fixed_item;
141     GtkWidget *zoom_fit_item;
142     GtkWidget *grab_item;
143     GtkWidget *grab_on_hover_item;
144     GtkWidget *vga_item;
145 
146     int nb_vcs;
147     VirtualConsole vc[MAX_VCS];
148 
149     GtkWidget *show_tabs_item;
150 
151     GtkWidget *vbox;
152     GtkWidget *notebook;
153     GtkWidget *drawing_area;
154     cairo_surface_t *surface;
155     pixman_image_t *convert;
156     DisplayChangeListener dcl;
157     DisplaySurface *ds;
158     int button_mask;
159     gboolean last_set;
160     int last_x;
161     int last_y;
162     int grab_x_root;
163     int grab_y_root;
164 
165     double scale_x;
166     double scale_y;
167     gboolean full_screen;
168 
169     GdkCursor *null_cursor;
170     Notifier mouse_mode_notifier;
171     gboolean free_scale;
172 
173     bool external_pause_update;
174 
175     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
176 } GtkDisplayState;
177 
178 static GtkDisplayState *global_state;
179 
180 /** Utility Functions **/
181 
182 static bool gd_is_grab_active(GtkDisplayState *s)
183 {
184     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
185 }
186 
187 static bool gd_grab_on_hover(GtkDisplayState *s)
188 {
189     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
190 }
191 
192 static bool gd_on_vga(GtkDisplayState *s)
193 {
194     return gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook)) == 0;
195 }
196 
197 static void gd_update_cursor(GtkDisplayState *s, gboolean override)
198 {
199     GdkWindow *window;
200     bool on_vga;
201 
202     window = gtk_widget_get_window(GTK_WIDGET(s->drawing_area));
203 
204     on_vga = gd_on_vga(s);
205 
206     if ((override || on_vga) &&
207         (s->full_screen || qemu_input_is_absolute() || gd_is_grab_active(s))) {
208         gdk_window_set_cursor(window, s->null_cursor);
209     } else {
210         gdk_window_set_cursor(window, NULL);
211     }
212 }
213 
214 static void gd_update_caption(GtkDisplayState *s)
215 {
216     const char *status = "";
217     gchar *title;
218     const char *grab = "";
219     bool is_paused = !runstate_is_running();
220 
221     if (gd_is_grab_active(s)) {
222         grab = _(" - Press Ctrl+Alt+G to release grab");
223     }
224 
225     if (is_paused) {
226         status = _(" [Paused]");
227     }
228     s->external_pause_update = true;
229     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
230                                    is_paused);
231     s->external_pause_update = false;
232 
233     if (qemu_name) {
234         title = g_strdup_printf("QEMU (%s)%s%s", qemu_name, status, grab);
235     } else {
236         title = g_strdup_printf("QEMU%s%s", status, grab);
237     }
238 
239     gtk_window_set_title(GTK_WINDOW(s->window), title);
240 
241     g_free(title);
242 }
243 
244 static void gd_update_windowsize(GtkDisplayState *s)
245 {
246     if (!s->full_screen) {
247         GtkRequisition req;
248         double sx, sy;
249 
250         if (s->free_scale) {
251             sx = s->scale_x;
252             sy = s->scale_y;
253 
254             s->scale_y = 1.0;
255             s->scale_x = 1.0;
256         } else {
257             sx = 1.0;
258             sy = 1.0;
259         }
260 
261         gtk_widget_set_size_request(s->drawing_area,
262                                     surface_width(s->ds) * s->scale_x,
263                                     surface_height(s->ds) * s->scale_y);
264 #if GTK_CHECK_VERSION(3, 0, 0)
265         gtk_widget_get_preferred_size(s->vbox, NULL, &req);
266 #else
267         gtk_widget_size_request(s->vbox, &req);
268 #endif
269 
270         gtk_window_resize(GTK_WINDOW(s->window),
271                           req.width * sx, req.height * sy);
272     }
273 }
274 
275 static void gd_update_full_redraw(GtkDisplayState *s)
276 {
277     int ww, wh;
278     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
279     gtk_widget_queue_draw_area(s->drawing_area, 0, 0, ww, wh);
280 }
281 
282 static void gtk_release_modifiers(GtkDisplayState *s)
283 {
284     int i, keycode;
285 
286     if (!gd_on_vga(s)) {
287         return;
288     }
289     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
290         keycode = modifier_keycode[i];
291         if (!s->modifier_pressed[i]) {
292             continue;
293         }
294         qemu_input_event_send_key_number(s->dcl.con, keycode, false);
295         s->modifier_pressed[i] = false;
296     }
297 }
298 
299 /** DisplayState Callbacks **/
300 
301 static void gd_update(DisplayChangeListener *dcl,
302                       int x, int y, int w, int h)
303 {
304     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
305     int x1, x2, y1, y2;
306     int mx, my;
307     int fbw, fbh;
308     int ww, wh;
309 
310     trace_gd_update(x, y, w, h);
311 
312     if (s->convert) {
313         pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
314                                x, y, 0, 0, x, y, w, h);
315     }
316 
317     x1 = floor(x * s->scale_x);
318     y1 = floor(y * s->scale_y);
319 
320     x2 = ceil(x * s->scale_x + w * s->scale_x);
321     y2 = ceil(y * s->scale_y + h * s->scale_y);
322 
323     fbw = surface_width(s->ds) * s->scale_x;
324     fbh = surface_height(s->ds) * s->scale_y;
325 
326     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
327 
328     mx = my = 0;
329     if (ww > fbw) {
330         mx = (ww - fbw) / 2;
331     }
332     if (wh > fbh) {
333         my = (wh - fbh) / 2;
334     }
335 
336     gtk_widget_queue_draw_area(s->drawing_area, mx + x1, my + y1, (x2 - x1), (y2 - y1));
337 }
338 
339 static void gd_refresh(DisplayChangeListener *dcl)
340 {
341     graphic_hw_update(dcl->con);
342 }
343 
344 #if GTK_CHECK_VERSION(3, 0, 0)
345 static void gd_mouse_set(DisplayChangeListener *dcl,
346                          int x, int y, int visible)
347 {
348     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
349     GdkDisplay *dpy;
350     GdkDeviceManager *mgr;
351     gint x_root, y_root;
352 
353     if (qemu_input_is_absolute()) {
354         return;
355     }
356 
357     dpy = gtk_widget_get_display(s->drawing_area);
358     mgr = gdk_display_get_device_manager(dpy);
359     gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
360                                x, y, &x_root, &y_root);
361     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
362                     gtk_widget_get_screen(s->drawing_area),
363                     x_root, y_root);
364 }
365 #else
366 static void gd_mouse_set(DisplayChangeListener *dcl,
367                          int x, int y, int visible)
368 {
369     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
370     gint x_root, y_root;
371 
372     if (qemu_input_is_absolute()) {
373         return;
374     }
375 
376     gdk_window_get_root_coords(gtk_widget_get_window(s->drawing_area),
377                                x, y, &x_root, &y_root);
378     gdk_display_warp_pointer(gtk_widget_get_display(s->drawing_area),
379                              gtk_widget_get_screen(s->drawing_area),
380                              x_root, y_root);
381 }
382 #endif
383 
384 static void gd_cursor_define(DisplayChangeListener *dcl,
385                              QEMUCursor *c)
386 {
387     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
388     GdkPixbuf *pixbuf;
389     GdkCursor *cursor;
390 
391     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
392                                       GDK_COLORSPACE_RGB, true, 8,
393                                       c->width, c->height, c->width * 4,
394                                       NULL, NULL);
395     cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(s->drawing_area),
396                                         pixbuf, c->hot_x, c->hot_y);
397     gdk_window_set_cursor(gtk_widget_get_window(s->drawing_area), cursor);
398     g_object_unref(pixbuf);
399 #if !GTK_CHECK_VERSION(3, 0, 0)
400     gdk_cursor_unref(cursor);
401 #else
402     g_object_unref(cursor);
403 #endif
404 }
405 
406 static void gd_switch(DisplayChangeListener *dcl,
407                       DisplaySurface *surface)
408 {
409     GtkDisplayState *s = container_of(dcl, GtkDisplayState, dcl);
410     bool resized = true;
411 
412     trace_gd_switch(surface_width(surface), surface_height(surface));
413 
414     if (s->surface) {
415         cairo_surface_destroy(s->surface);
416     }
417 
418     if (s->ds &&
419         surface_width(s->ds) == surface_width(surface) &&
420         surface_height(s->ds) == surface_height(surface)) {
421         resized = false;
422     }
423     s->ds = surface;
424 
425     if (s->convert) {
426         pixman_image_unref(s->convert);
427         s->convert = NULL;
428     }
429 
430     if (surface->format == PIXMAN_x8r8g8b8) {
431         /*
432          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
433          *
434          * No need to convert, use surface directly.  Should be the
435          * common case as this is qemu_default_pixelformat(32) too.
436          */
437         s->surface = cairo_image_surface_create_for_data
438             (surface_data(surface),
439              CAIRO_FORMAT_RGB24,
440              surface_width(surface),
441              surface_height(surface),
442              surface_stride(surface));
443     } else {
444         /* Must convert surface, use pixman to do it. */
445         s->convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
446                                               surface_width(surface),
447                                               surface_height(surface),
448                                               NULL, 0);
449         s->surface = cairo_image_surface_create_for_data
450             ((void *)pixman_image_get_data(s->convert),
451              CAIRO_FORMAT_RGB24,
452              pixman_image_get_width(s->convert),
453              pixman_image_get_height(s->convert),
454              pixman_image_get_stride(s->convert));
455         pixman_image_composite(PIXMAN_OP_SRC, s->ds->image, NULL, s->convert,
456                                0, 0, 0, 0, 0, 0,
457                                pixman_image_get_width(s->convert),
458                                pixman_image_get_height(s->convert));
459     }
460 
461     if (resized) {
462         gd_update_windowsize(s);
463     } else {
464         gd_update_full_redraw(s);
465     }
466 }
467 
468 /** QEMU Events **/
469 
470 static void gd_change_runstate(void *opaque, int running, RunState state)
471 {
472     GtkDisplayState *s = opaque;
473 
474     gd_update_caption(s);
475 }
476 
477 static void gd_mouse_mode_change(Notifier *notify, void *data)
478 {
479     gd_update_cursor(container_of(notify, GtkDisplayState, mouse_mode_notifier),
480                      FALSE);
481 }
482 
483 /** GTK Events **/
484 
485 static gboolean gd_window_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
486 {
487     GtkDisplayState *s = opaque;
488     gboolean handled = FALSE;
489 
490     if (!gd_is_grab_active(s) ||
491         (key->state & IGNORE_MODIFIER_MASK) == HOTKEY_MODIFIERS) {
492         handled = gtk_window_activate_key(GTK_WINDOW(widget), key);
493     }
494     if (handled) {
495         gtk_release_modifiers(s);
496     } else {
497         handled = gtk_window_propagate_key_event(GTK_WINDOW(widget), key);
498     }
499 
500     return handled;
501 }
502 
503 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
504                                 void *opaque)
505 {
506     GtkDisplayState *s = opaque;
507 
508     if (!no_quit) {
509         unregister_displaychangelistener(&s->dcl);
510         qmp_quit(NULL);
511         return FALSE;
512     }
513 
514     return TRUE;
515 }
516 
517 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
518 {
519     GtkDisplayState *s = opaque;
520     int mx, my;
521     int ww, wh;
522     int fbw, fbh;
523 
524     if (!gtk_widget_get_realized(widget)) {
525         return FALSE;
526     }
527 
528     fbw = surface_width(s->ds);
529     fbh = surface_height(s->ds);
530 
531     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
532 
533     if (s->full_screen) {
534         s->scale_x = (double)ww / fbw;
535         s->scale_y = (double)wh / fbh;
536     } else if (s->free_scale) {
537         double sx, sy;
538 
539         sx = (double)ww / fbw;
540         sy = (double)wh / fbh;
541 
542         s->scale_x = s->scale_y = MIN(sx, sy);
543     }
544 
545     fbw *= s->scale_x;
546     fbh *= s->scale_y;
547 
548     mx = my = 0;
549     if (ww > fbw) {
550         mx = (ww - fbw) / 2;
551     }
552     if (wh > fbh) {
553         my = (wh - fbh) / 2;
554     }
555 
556     cairo_rectangle(cr, 0, 0, ww, wh);
557 
558     /* Optionally cut out the inner area where the pixmap
559        will be drawn. This avoids 'flashing' since we're
560        not double-buffering. Note we're using the undocumented
561        behaviour of drawing the rectangle from right to left
562        to cut out the whole */
563     cairo_rectangle(cr, mx + fbw, my,
564                     -1 * fbw, fbh);
565     cairo_fill(cr);
566 
567     cairo_scale(cr, s->scale_x, s->scale_y);
568     cairo_set_source_surface(cr, s->surface, mx / s->scale_x, my / s->scale_y);
569     cairo_paint(cr);
570 
571     return TRUE;
572 }
573 
574 #if !GTK_CHECK_VERSION(3, 0, 0)
575 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
576                                 void *opaque)
577 {
578     cairo_t *cr;
579     gboolean ret;
580 
581     cr = gdk_cairo_create(gtk_widget_get_window(widget));
582     cairo_rectangle(cr,
583                     expose->area.x,
584                     expose->area.y,
585                     expose->area.width,
586                     expose->area.height);
587     cairo_clip(cr);
588 
589     ret = gd_draw_event(widget, cr, opaque);
590 
591     cairo_destroy(cr);
592 
593     return ret;
594 }
595 #endif
596 
597 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
598                                 void *opaque)
599 {
600     GtkDisplayState *s = opaque;
601     int x, y;
602     int mx, my;
603     int fbh, fbw;
604     int ww, wh;
605 
606     fbw = surface_width(s->ds) * s->scale_x;
607     fbh = surface_height(s->ds) * s->scale_y;
608 
609     gdk_drawable_get_size(gtk_widget_get_window(s->drawing_area), &ww, &wh);
610 
611     mx = my = 0;
612     if (ww > fbw) {
613         mx = (ww - fbw) / 2;
614     }
615     if (wh > fbh) {
616         my = (wh - fbh) / 2;
617     }
618 
619     x = (motion->x - mx) / s->scale_x;
620     y = (motion->y - my) / s->scale_y;
621 
622     if (qemu_input_is_absolute()) {
623         if (x < 0 || y < 0 ||
624             x >= surface_width(s->ds) ||
625             y >= surface_height(s->ds)) {
626             return TRUE;
627         }
628         qemu_input_queue_abs(s->dcl.con, INPUT_AXIS_X, x,
629                              surface_width(s->ds));
630         qemu_input_queue_abs(s->dcl.con, INPUT_AXIS_Y, y,
631                              surface_height(s->ds));
632         qemu_input_event_sync();
633     } else if (s->last_set && gd_is_grab_active(s)) {
634         qemu_input_queue_rel(s->dcl.con, INPUT_AXIS_X, x - s->last_x);
635         qemu_input_queue_rel(s->dcl.con, INPUT_AXIS_Y, y - s->last_y);
636         qemu_input_event_sync();
637     }
638     s->last_x = x;
639     s->last_y = y;
640     s->last_set = TRUE;
641 
642     if (!qemu_input_is_absolute() && gd_is_grab_active(s)) {
643         GdkScreen *screen = gtk_widget_get_screen(s->drawing_area);
644         int x = (int)motion->x_root;
645         int y = (int)motion->y_root;
646 
647         /* In relative mode check to see if client pointer hit
648          * one of the screen edges, and if so move it back by
649          * 200 pixels. This is important because the pointer
650          * in the server doesn't correspond 1-for-1, and so
651          * may still be only half way across the screen. Without
652          * this warp, the server pointer would thus appear to hit
653          * an invisible wall */
654         if (x == 0) {
655             x += 200;
656         }
657         if (y == 0) {
658             y += 200;
659         }
660         if (x == (gdk_screen_get_width(screen) - 1)) {
661             x -= 200;
662         }
663         if (y == (gdk_screen_get_height(screen) - 1)) {
664             y -= 200;
665         }
666 
667         if (x != (int)motion->x_root || y != (int)motion->y_root) {
668 #if GTK_CHECK_VERSION(3, 0, 0)
669             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
670             gdk_device_warp(dev, screen, x, y);
671 #else
672             GdkDisplay *display = gtk_widget_get_display(widget);
673             gdk_display_warp_pointer(display, screen, x, y);
674 #endif
675             s->last_set = FALSE;
676             return FALSE;
677         }
678     }
679     return TRUE;
680 }
681 
682 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
683                                 void *opaque)
684 {
685     GtkDisplayState *s = opaque;
686     InputButton btn;
687 
688     if (button->button == 1) {
689         btn = INPUT_BUTTON_LEFT;
690     } else if (button->button == 2) {
691         btn = INPUT_BUTTON_MIDDLE;
692     } else if (button->button == 3) {
693         btn = INPUT_BUTTON_RIGHT;
694     } else {
695         return TRUE;
696     }
697 
698     qemu_input_queue_btn(s->dcl.con, btn, button->type == GDK_BUTTON_PRESS);
699     qemu_input_event_sync();
700     return TRUE;
701 }
702 
703 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
704                                 void *opaque)
705 {
706     GtkDisplayState *s = opaque;
707     InputButton btn;
708 
709     if (scroll->direction == GDK_SCROLL_UP) {
710         btn = INPUT_BUTTON_WHEEL_UP;
711     } else if (scroll->direction == GDK_SCROLL_DOWN) {
712         btn = INPUT_BUTTON_WHEEL_DOWN;
713     } else {
714         return TRUE;
715     }
716 
717     qemu_input_queue_btn(s->dcl.con, btn, true);
718     qemu_input_event_sync();
719     qemu_input_queue_btn(s->dcl.con, btn, false);
720     qemu_input_event_sync();
721     return TRUE;
722 }
723 
724 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
725 {
726     GtkDisplayState *s = opaque;
727     int gdk_keycode = key->hardware_keycode;
728     int i;
729 
730 #ifdef _WIN32
731     UINT qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
732     switch (qemu_keycode) {
733     case 103:   /* alt gr */
734         qemu_keycode = 56 | SCANCODE_GREY;
735         break;
736     }
737 #else
738     int qemu_keycode;
739 
740     if (gdk_keycode < 9) {
741         qemu_keycode = 0;
742     } else if (gdk_keycode < 97) {
743         qemu_keycode = gdk_keycode - 8;
744     } else if (gdk_keycode < 158) {
745         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
746     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
747         qemu_keycode = 0x70;
748     } else if (gdk_keycode == 211) { /* backslash */
749         qemu_keycode = 0x73;
750     } else {
751         qemu_keycode = 0;
752     }
753 #endif
754 
755     trace_gd_key_event(gdk_keycode, qemu_keycode,
756                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
757 
758     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
759         if (qemu_keycode == modifier_keycode[i]) {
760             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
761         }
762     }
763 
764     qemu_input_event_send_key_number(s->dcl.con, qemu_keycode,
765                                      key->type == GDK_KEY_PRESS);
766 
767     return TRUE;
768 }
769 
770 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
771 {
772     if (event->type == GDK_MOTION_NOTIFY) {
773         return gd_motion_event(widget, &event->motion, opaque);
774     }
775     return FALSE;
776 }
777 
778 /** Window Menu Actions **/
779 
780 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
781 {
782     GtkDisplayState *s = opaque;
783 
784     if (s->external_pause_update) {
785         return;
786     }
787     if (runstate_is_running()) {
788         qmp_stop(NULL);
789     } else {
790         qmp_cont(NULL);
791     }
792 }
793 
794 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
795 {
796     qmp_system_reset(NULL);
797 }
798 
799 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
800 {
801     qmp_system_powerdown(NULL);
802 }
803 
804 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
805 {
806     qmp_quit(NULL);
807 }
808 
809 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
810 {
811     GtkDisplayState *s = opaque;
812 
813     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vga_item))) {
814         gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), 0);
815     } else {
816         int i;
817 
818         gtk_release_modifiers(s);
819         for (i = 0; i < s->nb_vcs; i++) {
820             if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->vc[i].menu_item))) {
821                 gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), i + 1);
822                 break;
823             }
824         }
825     }
826 }
827 
828 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
829 {
830     GtkDisplayState *s = opaque;
831 
832     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
833         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
834     } else {
835         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
836     }
837 }
838 
839 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
840 {
841     GtkDisplayState *s = opaque;
842 
843     if (!s->full_screen) {
844         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
845         gtk_widget_set_size_request(s->menu_bar, 0, 0);
846         gtk_widget_set_size_request(s->drawing_area, -1, -1);
847         gtk_window_fullscreen(GTK_WINDOW(s->window));
848         if (gd_on_vga(s)) {
849             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), TRUE);
850         }
851         s->full_screen = TRUE;
852     } else {
853         gtk_window_unfullscreen(GTK_WINDOW(s->window));
854         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
855         gtk_widget_set_size_request(s->menu_bar, -1, -1);
856         gtk_widget_set_size_request(s->drawing_area,
857                                     surface_width(s->ds),
858                                     surface_height(s->ds));
859         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), FALSE);
860         s->full_screen = FALSE;
861         s->scale_x = 1.0;
862         s->scale_y = 1.0;
863     }
864 
865     gd_update_cursor(s, FALSE);
866 }
867 
868 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
869 {
870     GtkDisplayState *s = opaque;
871 
872     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
873                                    FALSE);
874 
875     s->scale_x += .25;
876     s->scale_y += .25;
877 
878     gd_update_windowsize(s);
879 }
880 
881 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
882 {
883     GtkDisplayState *s = opaque;
884 
885     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
886                                    FALSE);
887 
888     s->scale_x -= .25;
889     s->scale_y -= .25;
890 
891     s->scale_x = MAX(s->scale_x, .25);
892     s->scale_y = MAX(s->scale_y, .25);
893 
894     gd_update_windowsize(s);
895 }
896 
897 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
898 {
899     GtkDisplayState *s = opaque;
900 
901     s->scale_x = 1.0;
902     s->scale_y = 1.0;
903 
904     gd_update_windowsize(s);
905 }
906 
907 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
908 {
909     GtkDisplayState *s = opaque;
910 
911     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
912         s->free_scale = TRUE;
913     } else {
914         s->free_scale = FALSE;
915         s->scale_x = 1.0;
916         s->scale_y = 1.0;
917         gd_update_windowsize(s);
918     }
919 
920     gd_update_full_redraw(s);
921 }
922 
923 static void gd_grab_keyboard(GtkDisplayState *s)
924 {
925 #if GTK_CHECK_VERSION(3, 0, 0)
926     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
927     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
928     GList *devices = gdk_device_manager_list_devices(mgr,
929                                                      GDK_DEVICE_TYPE_MASTER);
930     GList *tmp = devices;
931     while (tmp) {
932         GdkDevice *dev = tmp->data;
933         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
934             gdk_device_grab(dev,
935                             gtk_widget_get_window(s->drawing_area),
936                             GDK_OWNERSHIP_NONE,
937                             FALSE,
938                             GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
939                             NULL,
940                             GDK_CURRENT_TIME);
941         }
942         tmp = tmp->next;
943     }
944     g_list_free(devices);
945 #else
946     gdk_keyboard_grab(gtk_widget_get_window(s->drawing_area),
947                       FALSE,
948                       GDK_CURRENT_TIME);
949 #endif
950 }
951 
952 static void gd_ungrab_keyboard(GtkDisplayState *s)
953 {
954 #if GTK_CHECK_VERSION(3, 0, 0)
955     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
956     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
957     GList *devices = gdk_device_manager_list_devices(mgr,
958                                                      GDK_DEVICE_TYPE_MASTER);
959     GList *tmp = devices;
960     while (tmp) {
961         GdkDevice *dev = tmp->data;
962         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
963             gdk_device_ungrab(dev,
964                               GDK_CURRENT_TIME);
965         }
966         tmp = tmp->next;
967     }
968     g_list_free(devices);
969 #else
970     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
971 #endif
972 }
973 
974 static void gd_grab_pointer(GtkDisplayState *s)
975 {
976     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
977 #if GTK_CHECK_VERSION(3, 0, 0)
978     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
979     GList *devices = gdk_device_manager_list_devices(mgr,
980                                                      GDK_DEVICE_TYPE_MASTER);
981     GList *tmp = devices;
982     while (tmp) {
983         GdkDevice *dev = tmp->data;
984         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
985             gdk_device_grab(dev,
986                             gtk_widget_get_window(s->drawing_area),
987                             GDK_OWNERSHIP_NONE,
988                             FALSE, /* All events to come to our
989                                       window directly */
990                             GDK_POINTER_MOTION_MASK |
991                             GDK_BUTTON_PRESS_MASK |
992                             GDK_BUTTON_RELEASE_MASK |
993                             GDK_BUTTON_MOTION_MASK |
994                             GDK_SCROLL_MASK,
995                             s->null_cursor,
996                             GDK_CURRENT_TIME);
997         }
998         tmp = tmp->next;
999     }
1000     g_list_free(devices);
1001     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1002                             NULL, &s->grab_x_root, &s->grab_y_root);
1003 #else
1004     gdk_pointer_grab(gtk_widget_get_window(s->drawing_area),
1005                      FALSE, /* All events to come to our window directly */
1006                      GDK_POINTER_MOTION_MASK |
1007                      GDK_BUTTON_PRESS_MASK |
1008                      GDK_BUTTON_RELEASE_MASK |
1009                      GDK_BUTTON_MOTION_MASK |
1010                      GDK_SCROLL_MASK,
1011                      NULL, /* Allow cursor to move over entire desktop */
1012                      s->null_cursor,
1013                      GDK_CURRENT_TIME);
1014     gdk_display_get_pointer(display, NULL,
1015                             &s->grab_x_root, &s->grab_y_root, NULL);
1016 #endif
1017 }
1018 
1019 static void gd_ungrab_pointer(GtkDisplayState *s)
1020 {
1021     GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
1022 #if GTK_CHECK_VERSION(3, 0, 0)
1023     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1024     GList *devices = gdk_device_manager_list_devices(mgr,
1025                                                      GDK_DEVICE_TYPE_MASTER);
1026     GList *tmp = devices;
1027     while (tmp) {
1028         GdkDevice *dev = tmp->data;
1029         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
1030             gdk_device_ungrab(dev,
1031                               GDK_CURRENT_TIME);
1032         }
1033         tmp = tmp->next;
1034     }
1035     g_list_free(devices);
1036     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1037                     gtk_widget_get_screen(s->drawing_area),
1038                     s->grab_x_root, s->grab_y_root);
1039 #else
1040     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1041     gdk_display_warp_pointer(display,
1042                              gtk_widget_get_screen(s->drawing_area),
1043                              s->grab_x_root, s->grab_y_root);
1044 #endif
1045 }
1046 
1047 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1048 {
1049     GtkDisplayState *s = opaque;
1050 
1051     if (gd_is_grab_active(s)) {
1052         gd_grab_keyboard(s);
1053         gd_grab_pointer(s);
1054     } else {
1055         gd_ungrab_keyboard(s);
1056         gd_ungrab_pointer(s);
1057     }
1058 
1059     gd_update_caption(s);
1060     gd_update_cursor(s, FALSE);
1061 }
1062 
1063 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1064                            gpointer data)
1065 {
1066     GtkDisplayState *s = data;
1067     guint last_page;
1068     gboolean on_vga;
1069 
1070     if (!gtk_widget_get_realized(s->notebook)) {
1071         return;
1072     }
1073 
1074     last_page = gtk_notebook_get_current_page(nb);
1075 
1076     if (last_page) {
1077         gtk_widget_set_size_request(s->vc[last_page - 1].terminal, -1, -1);
1078     }
1079 
1080     on_vga = arg2 == 0;
1081 
1082     if (!on_vga) {
1083         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1084                                        FALSE);
1085     } else if (s->full_screen) {
1086         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1087                                        TRUE);
1088     }
1089 
1090     if (arg2 == 0) {
1091         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->vga_item), TRUE);
1092     } else {
1093 #if defined(CONFIG_VTE)
1094         VirtualConsole *vc = &s->vc[arg2 - 1];
1095         VteTerminal *term = VTE_TERMINAL(vc->terminal);
1096         int width, height;
1097 
1098         width = 80 * vte_terminal_get_char_width(term);
1099         height = 25 * vte_terminal_get_char_height(term);
1100 
1101         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1102         gtk_widget_set_size_request(vc->terminal, width, height);
1103 #else
1104         g_assert_not_reached();
1105 #endif
1106     }
1107 
1108     gtk_widget_set_sensitive(s->grab_item, on_vga);
1109 
1110     gd_update_cursor(s, TRUE);
1111 }
1112 
1113 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
1114 {
1115     GtkDisplayState *s = data;
1116 
1117     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1118         gd_grab_keyboard(s);
1119     }
1120 
1121     return TRUE;
1122 }
1123 
1124 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing, gpointer data)
1125 {
1126     GtkDisplayState *s = data;
1127 
1128     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1129         gd_ungrab_keyboard(s);
1130     }
1131 
1132     return TRUE;
1133 }
1134 
1135 static gboolean gd_focus_out_event(GtkWidget *widget,
1136                                    GdkEventCrossing *crossing, gpointer data)
1137 {
1138     GtkDisplayState *s = data;
1139 
1140     gtk_release_modifiers(s);
1141 
1142     return TRUE;
1143 }
1144 
1145 /** Virtual Console Callbacks **/
1146 
1147 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1148 {
1149     VirtualConsole *vc = chr->opaque;
1150 
1151     return vc ? write(vc->fd, buf, len) : len;
1152 }
1153 
1154 static int nb_vcs;
1155 static CharDriverState *vcs[MAX_VCS];
1156 
1157 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1158 {
1159     CharDriverState *chr;
1160 
1161     chr = g_malloc0(sizeof(*chr));
1162     chr->chr_write = gd_vc_chr_write;
1163     /* defer OPENED events until our vc is fully initialized */
1164     chr->explicit_be_open = true;
1165 
1166     vcs[nb_vcs++] = chr;
1167 
1168     return chr;
1169 }
1170 
1171 void early_gtk_display_init(void)
1172 {
1173     register_vc_handler(gd_vc_handler);
1174 }
1175 
1176 #if defined(CONFIG_VTE)
1177 static gboolean gd_vc_in(GIOChannel *chan, GIOCondition cond, void *opaque)
1178 {
1179     VirtualConsole *vc = opaque;
1180     uint8_t buffer[1024];
1181     ssize_t len;
1182 
1183     len = read(vc->fd, buffer, sizeof(buffer));
1184     if (len <= 0) {
1185         return FALSE;
1186     }
1187 
1188     qemu_chr_be_write(vc->chr, buffer, len);
1189 
1190     return TRUE;
1191 }
1192 #endif
1193 
1194 static GSList *gd_vc_init(GtkDisplayState *s, VirtualConsole *vc, int index, GSList *group,
1195                           GtkWidget *view_menu)
1196 {
1197 #if defined(CONFIG_VTE)
1198     const char *label;
1199     char buffer[32];
1200     char path[32];
1201 #if VTE_CHECK_VERSION(0, 26, 0)
1202     VtePty *pty;
1203 #endif
1204     GIOChannel *chan;
1205     GtkWidget *scrolled_window;
1206     GtkAdjustment *vadjustment;
1207     int master_fd, slave_fd;
1208 
1209     snprintf(buffer, sizeof(buffer), "vc%d", index);
1210     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", index);
1211 
1212     vc->chr = vcs[index];
1213 
1214     if (vc->chr->label) {
1215         label = vc->chr->label;
1216     } else {
1217         label = buffer;
1218     }
1219 
1220     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, label);
1221     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1222     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1223     gtk_accel_map_add_entry(path, GDK_KEY_2 + index, HOTKEY_MODIFIERS);
1224 
1225     vc->terminal = vte_terminal_new();
1226 
1227     master_fd = qemu_openpty_raw(&slave_fd, NULL);
1228     g_assert(master_fd != -1);
1229 
1230 #if VTE_CHECK_VERSION(0, 26, 0)
1231     pty = vte_pty_new_foreign(master_fd, NULL);
1232     vte_terminal_set_pty_object(VTE_TERMINAL(vc->terminal), pty);
1233 #else
1234     vte_terminal_set_pty(VTE_TERMINAL(vc->terminal), master_fd);
1235 #endif
1236 
1237     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->terminal), -1);
1238 
1239     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->terminal));
1240 
1241     scrolled_window = gtk_scrolled_window_new(NULL, vadjustment);
1242     gtk_container_add(GTK_CONTAINER(scrolled_window), vc->terminal);
1243 
1244     vte_terminal_set_size(VTE_TERMINAL(vc->terminal), 80, 25);
1245 
1246     vc->fd = slave_fd;
1247     vc->chr->opaque = vc;
1248     vc->scrolled_window = scrolled_window;
1249 
1250     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vc->scrolled_window),
1251                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1252 
1253     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), scrolled_window, gtk_label_new(label));
1254     g_signal_connect(vc->menu_item, "activate",
1255                      G_CALLBACK(gd_menu_switch_vc), s);
1256 
1257     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1258 
1259     qemu_chr_be_generic_open(vc->chr);
1260     if (vc->chr->init) {
1261         vc->chr->init(vc->chr);
1262     }
1263 
1264     chan = g_io_channel_unix_new(vc->fd);
1265     g_io_add_watch(chan, G_IO_IN, gd_vc_in, vc);
1266 
1267 #endif /* CONFIG_VTE */
1268     return group;
1269 }
1270 
1271 /** Window Creation **/
1272 
1273 static void gd_connect_signals(GtkDisplayState *s)
1274 {
1275     g_signal_connect(s->show_tabs_item, "activate",
1276                      G_CALLBACK(gd_menu_show_tabs), s);
1277 
1278     g_signal_connect(s->window, "key-press-event",
1279                      G_CALLBACK(gd_window_key_event), s);
1280     g_signal_connect(s->window, "delete-event",
1281                      G_CALLBACK(gd_window_close), s);
1282 
1283 #if GTK_CHECK_VERSION(3, 0, 0)
1284     g_signal_connect(s->drawing_area, "draw",
1285                      G_CALLBACK(gd_draw_event), s);
1286 #else
1287     g_signal_connect(s->drawing_area, "expose-event",
1288                      G_CALLBACK(gd_expose_event), s);
1289 #endif
1290     g_signal_connect(s->drawing_area, "event",
1291                      G_CALLBACK(gd_event), s);
1292     g_signal_connect(s->drawing_area, "button-press-event",
1293                      G_CALLBACK(gd_button_event), s);
1294     g_signal_connect(s->drawing_area, "button-release-event",
1295                      G_CALLBACK(gd_button_event), s);
1296     g_signal_connect(s->drawing_area, "scroll-event",
1297                      G_CALLBACK(gd_scroll_event), s);
1298     g_signal_connect(s->drawing_area, "key-press-event",
1299                      G_CALLBACK(gd_key_event), s);
1300     g_signal_connect(s->drawing_area, "key-release-event",
1301                      G_CALLBACK(gd_key_event), s);
1302 
1303     g_signal_connect(s->pause_item, "activate",
1304                      G_CALLBACK(gd_menu_pause), s);
1305     g_signal_connect(s->reset_item, "activate",
1306                      G_CALLBACK(gd_menu_reset), s);
1307     g_signal_connect(s->powerdown_item, "activate",
1308                      G_CALLBACK(gd_menu_powerdown), s);
1309     g_signal_connect(s->quit_item, "activate",
1310                      G_CALLBACK(gd_menu_quit), s);
1311     g_signal_connect(s->full_screen_item, "activate",
1312                      G_CALLBACK(gd_menu_full_screen), s);
1313     g_signal_connect(s->zoom_in_item, "activate",
1314                      G_CALLBACK(gd_menu_zoom_in), s);
1315     g_signal_connect(s->zoom_out_item, "activate",
1316                      G_CALLBACK(gd_menu_zoom_out), s);
1317     g_signal_connect(s->zoom_fixed_item, "activate",
1318                      G_CALLBACK(gd_menu_zoom_fixed), s);
1319     g_signal_connect(s->zoom_fit_item, "activate",
1320                      G_CALLBACK(gd_menu_zoom_fit), s);
1321     g_signal_connect(s->vga_item, "activate",
1322                      G_CALLBACK(gd_menu_switch_vc), s);
1323     g_signal_connect(s->grab_item, "activate",
1324                      G_CALLBACK(gd_menu_grab_input), s);
1325     g_signal_connect(s->notebook, "switch-page",
1326                      G_CALLBACK(gd_change_page), s);
1327     g_signal_connect(s->drawing_area, "enter-notify-event",
1328                      G_CALLBACK(gd_enter_event), s);
1329     g_signal_connect(s->drawing_area, "leave-notify-event",
1330                      G_CALLBACK(gd_leave_event), s);
1331     g_signal_connect(s->drawing_area, "focus-out-event",
1332                      G_CALLBACK(gd_focus_out_event), s);
1333 }
1334 
1335 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
1336 {
1337     GtkWidget *machine_menu;
1338     GtkWidget *separator;
1339     GtkStockItem item;
1340 
1341     machine_menu = gtk_menu_new();
1342     gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
1343 
1344     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1345     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1346 
1347     separator = gtk_separator_menu_item_new();
1348     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1349 
1350     s->reset_item = gtk_image_menu_item_new_with_mnemonic(_("_Reset"));
1351     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1352 
1353     s->powerdown_item = gtk_image_menu_item_new_with_mnemonic(_("Power _Down"));
1354     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1355 
1356     separator = gtk_separator_menu_item_new();
1357     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1358 
1359     s->quit_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, NULL);
1360     gtk_stock_lookup(GTK_STOCK_QUIT, &item);
1361     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1362                                  "<QEMU>/Machine/Quit");
1363     gtk_accel_map_add_entry("<QEMU>/Machine/Quit", item.keyval, item.modifier);
1364     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1365 
1366     return machine_menu;
1367 }
1368 
1369 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
1370 {
1371     GSList *group = NULL;
1372     GtkWidget *view_menu;
1373     GtkWidget *separator;
1374     int i;
1375 
1376     view_menu = gtk_menu_new();
1377     gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
1378 
1379     s->full_screen_item =
1380         gtk_image_menu_item_new_from_stock(GTK_STOCK_FULLSCREEN, NULL);
1381     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1382                                  "<QEMU>/View/Full Screen");
1383     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
1384                             HOTKEY_MODIFIERS);
1385     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1386 
1387     separator = gtk_separator_menu_item_new();
1388     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1389 
1390     s->zoom_in_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_IN, NULL);
1391     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1392                                  "<QEMU>/View/Zoom In");
1393     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1394                             HOTKEY_MODIFIERS);
1395     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1396 
1397     s->zoom_out_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_OUT, NULL);
1398     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1399                                  "<QEMU>/View/Zoom Out");
1400     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1401                             HOTKEY_MODIFIERS);
1402     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1403 
1404     s->zoom_fixed_item = gtk_image_menu_item_new_from_stock(GTK_STOCK_ZOOM_100, NULL);
1405     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1406                                  "<QEMU>/View/Zoom Fixed");
1407     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1408                             HOTKEY_MODIFIERS);
1409     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1410 
1411     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1412     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1413 
1414     separator = gtk_separator_menu_item_new();
1415     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1416 
1417     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1418     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1419 
1420     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1421     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1422                                  "<QEMU>/View/Grab Input");
1423     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1424                             HOTKEY_MODIFIERS);
1425     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1426 
1427     separator = gtk_separator_menu_item_new();
1428     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1429 
1430     s->vga_item = gtk_radio_menu_item_new_with_mnemonic(group, "_VGA");
1431     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(s->vga_item));
1432     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->vga_item),
1433                                  "<QEMU>/View/VGA");
1434     gtk_accel_map_add_entry("<QEMU>/View/VGA", GDK_KEY_1, HOTKEY_MODIFIERS);
1435     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->vga_item);
1436 
1437     for (i = 0; i < nb_vcs; i++) {
1438         VirtualConsole *vc = &s->vc[i];
1439 
1440         group = gd_vc_init(s, vc, i, group, view_menu);
1441         s->nb_vcs++;
1442     }
1443 
1444     separator = gtk_separator_menu_item_new();
1445     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1446 
1447     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1448     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1449 
1450     return view_menu;
1451 }
1452 
1453 static void gd_create_menus(GtkDisplayState *s)
1454 {
1455     GtkAccelGroup *accel_group;
1456 
1457     accel_group = gtk_accel_group_new();
1458     s->machine_menu = gd_create_menu_machine(s, accel_group);
1459     s->view_menu = gd_create_menu_view(s, accel_group);
1460 
1461     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1462     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1463                               s->machine_menu);
1464     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1465 
1466     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1467     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1468     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1469 
1470     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1471     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1472     s->accel_group = accel_group;
1473 }
1474 
1475 static const DisplayChangeListenerOps dcl_ops = {
1476     .dpy_name          = "gtk",
1477     .dpy_gfx_update    = gd_update,
1478     .dpy_gfx_switch    = gd_switch,
1479     .dpy_refresh       = gd_refresh,
1480     .dpy_mouse_set     = gd_mouse_set,
1481     .dpy_cursor_define = gd_cursor_define,
1482 };
1483 
1484 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1485 {
1486     GtkDisplayState *s = g_malloc0(sizeof(*s));
1487     char *filename;
1488 
1489     gtk_init(NULL, NULL);
1490 
1491     s->dcl.ops = &dcl_ops;
1492     s->dcl.con = qemu_console_lookup_by_index(0);
1493 
1494     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1495 #if GTK_CHECK_VERSION(3, 2, 0)
1496     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1497 #else
1498     s->vbox = gtk_vbox_new(FALSE, 0);
1499 #endif
1500     s->notebook = gtk_notebook_new();
1501     s->drawing_area = gtk_drawing_area_new();
1502     s->menu_bar = gtk_menu_bar_new();
1503 
1504     s->scale_x = 1.0;
1505     s->scale_y = 1.0;
1506     s->free_scale = FALSE;
1507 
1508     setlocale(LC_ALL, "");
1509     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1510     textdomain("qemu");
1511 
1512     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1513 
1514     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1515     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1516     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1517 
1518     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), s->drawing_area, gtk_label_new("VGA"));
1519 
1520     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1521     if (filename) {
1522         GError *error = NULL;
1523         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1524         if (pixbuf) {
1525             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1526         } else {
1527             g_error_free(error);
1528         }
1529         g_free(filename);
1530     }
1531 
1532     gd_create_menus(s);
1533 
1534     gd_connect_signals(s);
1535 
1536     gtk_widget_add_events(s->drawing_area,
1537                           GDK_POINTER_MOTION_MASK |
1538                           GDK_BUTTON_PRESS_MASK |
1539                           GDK_BUTTON_RELEASE_MASK |
1540                           GDK_BUTTON_MOTION_MASK |
1541                           GDK_ENTER_NOTIFY_MASK |
1542                           GDK_LEAVE_NOTIFY_MASK |
1543                           GDK_SCROLL_MASK |
1544                           GDK_KEY_PRESS_MASK);
1545     gtk_widget_set_double_buffered(s->drawing_area, FALSE);
1546     gtk_widget_set_can_focus(s->drawing_area, TRUE);
1547 
1548     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1549     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1550 
1551     gd_update_caption(s);
1552 
1553     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1554     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1555 
1556     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1557 
1558     gtk_widget_show_all(s->window);
1559 
1560     if (full_screen) {
1561         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1562     }
1563     if (grab_on_hover) {
1564         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1565     }
1566 
1567     register_displaychangelistener(&s->dcl);
1568 
1569     global_state = s;
1570 }
1571