xref: /openbmc/qemu/ui/gtk.c (revision b846ab7c9593197367361fb1110586ba4d311c23)
1  /*
2   * GTK UI
3   *
4   * Copyright IBM, Corp. 2012
5   *
6   * Authors:
7   *  Anthony Liguori   <aliguori@us.ibm.com>
8   *
9   * This program is free software; you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as published by
11   * the Free Software Foundation; either version 2 of the License, or
12   * (at your option) any later version.
13   *
14   * This program is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17   * General Public License for more details.
18   *
19   * You should have received a copy of the GNU General Public License
20   * along with this program; if not, see <http://www.gnu.org/licenses/>.
21   *
22   * Portions from gtk-vnc (originally licensed under the LGPL v2+):
23   *
24   * GTK VNC Widget
25   *
26   * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
27   * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
28   */
29  
30  #define GETTEXT_PACKAGE "qemu"
31  #define LOCALEDIR "po"
32  
33  #include "qemu/osdep.h"
34  #include "qapi/error.h"
35  #include "qapi/qapi-commands-control.h"
36  #include "qapi/qapi-commands-machine.h"
37  #include "qapi/qapi-commands-misc.h"
38  #include "qemu/cutils.h"
39  
40  #include "ui/console.h"
41  #include "ui/gtk.h"
42  #ifdef G_OS_WIN32
43  #include <gdk/gdkwin32.h>
44  #endif
45  #include "ui/win32-kbd-hook.h"
46  
47  #include <glib/gi18n.h>
48  #include <locale.h>
49  #if defined(CONFIG_VTE)
50  #include <vte/vte.h>
51  #endif
52  #include <math.h>
53  
54  #include "trace.h"
55  #include "qemu/cutils.h"
56  #include "ui/input.h"
57  #include "sysemu/runstate.h"
58  #include "sysemu/sysemu.h"
59  #include "keymaps.h"
60  #include "chardev/char.h"
61  #include "qom/object.h"
62  
63  #define MAX_VCS 10
64  #define VC_WINDOW_X_MIN  320
65  #define VC_WINDOW_Y_MIN  240
66  #define VC_TERM_X_MIN     80
67  #define VC_TERM_Y_MIN     25
68  #define VC_SCALE_MIN    0.25
69  #define VC_SCALE_STEP   0.25
70  
71  #ifdef GDK_WINDOWING_X11
72  #include "x_keymap.h"
73  
74  /* Gtk2 compat */
75  #ifndef GDK_IS_X11_DISPLAY
76  #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
77  #endif
78  #endif
79  
80  
81  #ifdef GDK_WINDOWING_WAYLAND
82  /* Gtk2 compat */
83  #ifndef GDK_IS_WAYLAND_DISPLAY
84  #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
85  #endif
86  #endif
87  
88  
89  #ifdef GDK_WINDOWING_WIN32
90  /* Gtk2 compat */
91  #ifndef GDK_IS_WIN32_DISPLAY
92  #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
93  #endif
94  #endif
95  
96  
97  #ifdef GDK_WINDOWING_BROADWAY
98  /* Gtk2 compat */
99  #ifndef GDK_IS_BROADWAY_DISPLAY
100  #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
101  #endif
102  #endif
103  
104  
105  #ifdef GDK_WINDOWING_QUARTZ
106  /* Gtk2 compat */
107  #ifndef GDK_IS_QUARTZ_DISPLAY
108  #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
109  #endif
110  #endif
111  
112  
113  #if !defined(CONFIG_VTE)
114  # define VTE_CHECK_VERSION(a, b, c) 0
115  #endif
116  
117  #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
118  
119  static const guint16 *keycode_map;
120  static size_t keycode_maplen;
121  
122  struct GtkDisplayState {
123      GtkWidget *window;
124  
125      GtkWidget *menu_bar;
126  
127      GtkAccelGroup *accel_group;
128  
129      GtkWidget *machine_menu_item;
130      GtkWidget *machine_menu;
131      GtkWidget *pause_item;
132      GtkWidget *reset_item;
133      GtkWidget *powerdown_item;
134      GtkWidget *quit_item;
135  
136      GtkWidget *view_menu_item;
137      GtkWidget *view_menu;
138      GtkWidget *full_screen_item;
139      GtkWidget *copy_item;
140      GtkWidget *zoom_in_item;
141      GtkWidget *zoom_out_item;
142      GtkWidget *zoom_fixed_item;
143      GtkWidget *zoom_fit_item;
144      GtkWidget *grab_item;
145      GtkWidget *grab_on_hover_item;
146  
147      int nb_vcs;
148      VirtualConsole vc[MAX_VCS];
149  
150      GtkWidget *show_tabs_item;
151      GtkWidget *untabify_item;
152      GtkWidget *show_menubar_item;
153  
154      GtkWidget *vbox;
155      GtkWidget *notebook;
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      VirtualConsole *kbd_owner;
163      VirtualConsole *ptr_owner;
164  
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      DisplayOptions *opts;
174  };
175  
176  struct VCChardev {
177      Chardev parent;
178      VirtualConsole *console;
179      bool echo;
180  };
181  typedef struct VCChardev VCChardev;
182  
183  #define TYPE_CHARDEV_VC "chardev-vc"
184  DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
185                           TYPE_CHARDEV_VC)
186  
187  bool gtk_use_gl_area;
188  
189  static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
190  static void gd_ungrab_pointer(GtkDisplayState *s);
191  static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
192  static void gd_ungrab_keyboard(GtkDisplayState *s);
193  
194  /** Utility Functions **/
195  
196  static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
197  {
198      VirtualConsole *vc;
199      gint i;
200  
201      for (i = 0; i < s->nb_vcs; i++) {
202          vc = &s->vc[i];
203          if (gtk_check_menu_item_get_active
204              (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
205              return vc;
206          }
207      }
208      return NULL;
209  }
210  
211  static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
212  {
213      VirtualConsole *vc;
214      gint i, p;
215  
216      for (i = 0; i < s->nb_vcs; i++) {
217          vc = &s->vc[i];
218          p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
219          if (p == page) {
220              return vc;
221          }
222      }
223      return NULL;
224  }
225  
226  static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
227  {
228      gint page;
229  
230      page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
231      return gd_vc_find_by_page(s, page);
232  }
233  
234  static bool gd_is_grab_active(GtkDisplayState *s)
235  {
236      return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
237  }
238  
239  static bool gd_grab_on_hover(GtkDisplayState *s)
240  {
241      return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
242  }
243  
244  static void gd_update_cursor(VirtualConsole *vc)
245  {
246      GtkDisplayState *s = vc->s;
247      GdkWindow *window;
248  
249      if (vc->type != GD_VC_GFX ||
250          !qemu_console_is_graphic(vc->gfx.dcl.con)) {
251          return;
252      }
253  
254      if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
255          return;
256      }
257  
258      window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
259      if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
260          gdk_window_set_cursor(window, s->null_cursor);
261      } else {
262          gdk_window_set_cursor(window, NULL);
263      }
264  }
265  
266  static void gd_update_caption(GtkDisplayState *s)
267  {
268      const char *status = "";
269      gchar *prefix;
270      gchar *title;
271      const char *grab = "";
272      bool is_paused = !runstate_is_running();
273      int i;
274  
275      if (qemu_name) {
276          prefix = g_strdup_printf("QEMU (%s)", qemu_name);
277      } else {
278          prefix = g_strdup_printf("QEMU");
279      }
280  
281      if (s->ptr_owner != NULL &&
282          s->ptr_owner->window == NULL) {
283          grab = _(" - Press Ctrl+Alt+G to release grab");
284      }
285  
286      if (is_paused) {
287          status = _(" [Paused]");
288      }
289      s->external_pause_update = true;
290      gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
291                                     is_paused);
292      s->external_pause_update = false;
293  
294      title = g_strdup_printf("%s%s%s", prefix, status, grab);
295      gtk_window_set_title(GTK_WINDOW(s->window), title);
296      g_free(title);
297  
298      for (i = 0; i < s->nb_vcs; i++) {
299          VirtualConsole *vc = &s->vc[i];
300  
301          if (!vc->window) {
302              continue;
303          }
304          title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
305                                  vc == s->kbd_owner ? " +kbd" : "",
306                                  vc == s->ptr_owner ? " +ptr" : "");
307          gtk_window_set_title(GTK_WINDOW(vc->window), title);
308          g_free(title);
309      }
310  
311      g_free(prefix);
312  }
313  
314  static void gd_update_geometry_hints(VirtualConsole *vc)
315  {
316      GtkDisplayState *s = vc->s;
317      GdkWindowHints mask = 0;
318      GdkGeometry geo = {};
319      GtkWidget *geo_widget = NULL;
320      GtkWindow *geo_window;
321  
322      if (vc->type == GD_VC_GFX) {
323          if (!vc->gfx.ds) {
324              return;
325          }
326          if (s->free_scale) {
327              geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
328              geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
329              mask |= GDK_HINT_MIN_SIZE;
330          } else {
331              geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
332              geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
333              mask |= GDK_HINT_MIN_SIZE;
334          }
335          geo_widget = vc->gfx.drawing_area;
336          gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
337  
338  #if defined(CONFIG_VTE)
339      } else if (vc->type == GD_VC_VTE) {
340          VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
341          GtkBorder padding = { 0 };
342  
343  #if VTE_CHECK_VERSION(0, 37, 0)
344          gtk_style_context_get_padding(
345                  gtk_widget_get_style_context(vc->vte.terminal),
346                  gtk_widget_get_state_flags(vc->vte.terminal),
347                  &padding);
348  #else
349          {
350              GtkBorder *ib = NULL;
351              gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
352              if (ib) {
353                  padding = *ib;
354                  gtk_border_free(ib);
355              }
356          }
357  #endif
358  
359          geo.width_inc  = vte_terminal_get_char_width(term);
360          geo.height_inc = vte_terminal_get_char_height(term);
361          mask |= GDK_HINT_RESIZE_INC;
362          geo.base_width  = geo.width_inc;
363          geo.base_height = geo.height_inc;
364          mask |= GDK_HINT_BASE_SIZE;
365          geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
366          geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
367          mask |= GDK_HINT_MIN_SIZE;
368  
369          geo.base_width  += padding.left + padding.right;
370          geo.base_height += padding.top + padding.bottom;
371          geo.min_width   += padding.left + padding.right;
372          geo.min_height  += padding.top + padding.bottom;
373          geo_widget = vc->vte.terminal;
374  #endif
375      }
376  
377      geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
378      gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
379  }
380  
381  void gd_update_windowsize(VirtualConsole *vc)
382  {
383      GtkDisplayState *s = vc->s;
384  
385      gd_update_geometry_hints(vc);
386  
387      if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
388          gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
389                            VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
390      }
391  }
392  
393  static void gd_update_full_redraw(VirtualConsole *vc)
394  {
395      GtkWidget *area = vc->gfx.drawing_area;
396      int ww, wh;
397      ww = gdk_window_get_width(gtk_widget_get_window(area));
398      wh = gdk_window_get_height(gtk_widget_get_window(area));
399  #if defined(CONFIG_OPENGL)
400      if (vc->gfx.gls && gtk_use_gl_area) {
401          gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
402          return;
403      }
404  #endif
405      gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
406  }
407  
408  static void gtk_release_modifiers(GtkDisplayState *s)
409  {
410      VirtualConsole *vc = gd_vc_find_current(s);
411  
412      if (vc->type != GD_VC_GFX ||
413          !qemu_console_is_graphic(vc->gfx.dcl.con)) {
414          return;
415      }
416      qkbd_state_lift_all_keys(vc->gfx.kbd);
417  }
418  
419  static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
420                                 GtkWidget *widget)
421  {
422      g_object_ref(G_OBJECT(widget));
423      gtk_container_remove(GTK_CONTAINER(from), widget);
424      gtk_container_add(GTK_CONTAINER(to), widget);
425      g_object_unref(G_OBJECT(widget));
426  }
427  
428  static void *gd_win32_get_hwnd(VirtualConsole *vc)
429  {
430  #ifdef G_OS_WIN32
431      return gdk_win32_window_get_impl_hwnd(
432          gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
433  #else
434      return NULL;
435  #endif
436  }
437  
438  /** DisplayState Callbacks **/
439  
440  static void gd_update(DisplayChangeListener *dcl,
441                        int x, int y, int w, int h)
442  {
443      VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
444      GdkWindow *win;
445      int x1, x2, y1, y2;
446      int mx, my;
447      int fbw, fbh;
448      int ww, wh;
449  
450      trace_gd_update(vc->label, x, y, w, h);
451  
452      if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
453          return;
454      }
455  
456      if (vc->gfx.convert) {
457          pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
458                                 NULL, vc->gfx.convert,
459                                 x, y, 0, 0, x, y, w, h);
460      }
461  
462      x1 = floor(x * vc->gfx.scale_x);
463      y1 = floor(y * vc->gfx.scale_y);
464  
465      x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
466      y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
467  
468      fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
469      fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
470  
471      win = gtk_widget_get_window(vc->gfx.drawing_area);
472      if (!win) {
473          return;
474      }
475      ww = gdk_window_get_width(win);
476      wh = gdk_window_get_height(win);
477  
478      mx = my = 0;
479      if (ww > fbw) {
480          mx = (ww - fbw) / 2;
481      }
482      if (wh > fbh) {
483          my = (wh - fbh) / 2;
484      }
485  
486      gtk_widget_queue_draw_area(vc->gfx.drawing_area,
487                                 mx + x1, my + y1, (x2 - x1), (y2 - y1));
488  }
489  
490  static void gd_refresh(DisplayChangeListener *dcl)
491  {
492      graphic_hw_update(dcl->con);
493  }
494  
495  static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
496  {
497      return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
498  }
499  
500  static void gd_mouse_set(DisplayChangeListener *dcl,
501                           int x, int y, int visible)
502  {
503      VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
504      GdkDisplay *dpy;
505      gint x_root, y_root;
506  
507      if (qemu_input_is_absolute()) {
508          return;
509      }
510  
511      dpy = gtk_widget_get_display(vc->gfx.drawing_area);
512      gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
513                                 x, y, &x_root, &y_root);
514      gdk_device_warp(gd_get_pointer(dpy),
515                      gtk_widget_get_screen(vc->gfx.drawing_area),
516                      x_root, y_root);
517      vc->s->last_x = x;
518      vc->s->last_y = y;
519  }
520  
521  static void gd_cursor_define(DisplayChangeListener *dcl,
522                               QEMUCursor *c)
523  {
524      VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
525      GdkPixbuf *pixbuf;
526      GdkCursor *cursor;
527  
528      if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
529          return;
530      }
531  
532      pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
533                                        GDK_COLORSPACE_RGB, true, 8,
534                                        c->width, c->height, c->width * 4,
535                                        NULL, NULL);
536      cursor = gdk_cursor_new_from_pixbuf
537          (gtk_widget_get_display(vc->gfx.drawing_area),
538           pixbuf, c->hot_x, c->hot_y);
539      gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
540      g_object_unref(pixbuf);
541      g_object_unref(cursor);
542  }
543  
544  static void gd_switch(DisplayChangeListener *dcl,
545                        DisplaySurface *surface)
546  {
547      VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
548      bool resized = true;
549  
550      trace_gd_switch(vc->label,
551                      surface ? surface_width(surface)  : 0,
552                      surface ? surface_height(surface) : 0);
553  
554      if (vc->gfx.surface) {
555          cairo_surface_destroy(vc->gfx.surface);
556          vc->gfx.surface = NULL;
557      }
558      if (vc->gfx.convert) {
559          pixman_image_unref(vc->gfx.convert);
560          vc->gfx.convert = NULL;
561      }
562  
563      if (vc->gfx.ds && surface &&
564          surface_width(vc->gfx.ds) == surface_width(surface) &&
565          surface_height(vc->gfx.ds) == surface_height(surface)) {
566          resized = false;
567      }
568      vc->gfx.ds = surface;
569  
570      if (!surface) {
571          return;
572      }
573  
574      if (surface->format == PIXMAN_x8r8g8b8) {
575          /*
576           * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
577           *
578           * No need to convert, use surface directly.  Should be the
579           * common case as this is qemu_default_pixelformat(32) too.
580           */
581          vc->gfx.surface = cairo_image_surface_create_for_data
582              (surface_data(surface),
583               CAIRO_FORMAT_RGB24,
584               surface_width(surface),
585               surface_height(surface),
586               surface_stride(surface));
587      } else {
588          /* Must convert surface, use pixman to do it. */
589          vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
590                                                     surface_width(surface),
591                                                     surface_height(surface),
592                                                     NULL, 0);
593          vc->gfx.surface = cairo_image_surface_create_for_data
594              ((void *)pixman_image_get_data(vc->gfx.convert),
595               CAIRO_FORMAT_RGB24,
596               pixman_image_get_width(vc->gfx.convert),
597               pixman_image_get_height(vc->gfx.convert),
598               pixman_image_get_stride(vc->gfx.convert));
599          pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
600                                 NULL, vc->gfx.convert,
601                                 0, 0, 0, 0, 0, 0,
602                                 pixman_image_get_width(vc->gfx.convert),
603                                 pixman_image_get_height(vc->gfx.convert));
604      }
605  
606      if (resized) {
607          gd_update_windowsize(vc);
608      } else {
609          gd_update_full_redraw(vc);
610      }
611  }
612  
613  static const DisplayChangeListenerOps dcl_ops = {
614      .dpy_name             = "gtk",
615      .dpy_gfx_update       = gd_update,
616      .dpy_gfx_switch       = gd_switch,
617      .dpy_gfx_check_format = qemu_pixman_check_format,
618      .dpy_refresh          = gd_refresh,
619      .dpy_mouse_set        = gd_mouse_set,
620      .dpy_cursor_define    = gd_cursor_define,
621  };
622  
623  
624  #if defined(CONFIG_OPENGL)
625  
626  /** DisplayState Callbacks (opengl version) **/
627  
628  #if defined(CONFIG_OPENGL)
629  
630  static const DisplayChangeListenerOps dcl_gl_area_ops = {
631      .dpy_name             = "gtk-egl",
632      .dpy_gfx_update       = gd_gl_area_update,
633      .dpy_gfx_switch       = gd_gl_area_switch,
634      .dpy_gfx_check_format = console_gl_check_format,
635      .dpy_refresh          = gd_gl_area_refresh,
636      .dpy_mouse_set        = gd_mouse_set,
637      .dpy_cursor_define    = gd_cursor_define,
638  
639      .dpy_gl_ctx_create       = gd_gl_area_create_context,
640      .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
641      .dpy_gl_ctx_make_current = gd_gl_area_make_current,
642      .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
643      .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
644      .dpy_gl_update           = gd_gl_area_scanout_flush,
645  };
646  
647  #endif /* CONFIG_OPENGL */
648  
649  static const DisplayChangeListenerOps dcl_egl_ops = {
650      .dpy_name             = "gtk-egl",
651      .dpy_gfx_update       = gd_egl_update,
652      .dpy_gfx_switch       = gd_egl_switch,
653      .dpy_gfx_check_format = console_gl_check_format,
654      .dpy_refresh          = gd_egl_refresh,
655      .dpy_mouse_set        = gd_mouse_set,
656      .dpy_cursor_define    = gd_cursor_define,
657  
658      .dpy_gl_ctx_create       = gd_egl_create_context,
659      .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
660      .dpy_gl_ctx_make_current = gd_egl_make_current,
661      .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
662      .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
663      .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
664      .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
665      .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
666      .dpy_gl_cursor_position  = gd_egl_cursor_position,
667      .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
668      .dpy_gl_update           = gd_egl_scanout_flush,
669  };
670  
671  #endif /* CONFIG_OPENGL */
672  
673  /** QEMU Events **/
674  
675  static void gd_change_runstate(void *opaque, int running, RunState state)
676  {
677      GtkDisplayState *s = opaque;
678  
679      gd_update_caption(s);
680  }
681  
682  static void gd_mouse_mode_change(Notifier *notify, void *data)
683  {
684      GtkDisplayState *s;
685      int i;
686  
687      s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
688      /* release the grab at switching to absolute mode */
689      if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
690          gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
691                                         FALSE);
692      }
693      for (i = 0; i < s->nb_vcs; i++) {
694          VirtualConsole *vc = &s->vc[i];
695          gd_update_cursor(vc);
696      }
697  }
698  
699  /** GTK Events **/
700  
701  static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
702                                  void *opaque)
703  {
704      GtkDisplayState *s = opaque;
705      bool allow_close = true;
706  
707      if (s->opts->has_window_close && !s->opts->window_close) {
708          allow_close = false;
709      }
710  
711      if (allow_close) {
712          qmp_quit(NULL);
713      }
714  
715      return TRUE;
716  }
717  
718  static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
719  {
720      QemuUIInfo info;
721  
722      memset(&info, 0, sizeof(info));
723      info.width = width;
724      info.height = height;
725      dpy_set_ui_info(vc->gfx.dcl.con, &info);
726  }
727  
728  #if defined(CONFIG_OPENGL)
729  
730  static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
731                                  void *opaque)
732  {
733      VirtualConsole *vc = opaque;
734  
735      if (vc->gfx.gls) {
736          gd_gl_area_draw(vc);
737      }
738      return TRUE;
739  }
740  
741  static void gd_resize_event(GtkGLArea *area,
742                              gint width, gint height, gpointer *opaque)
743  {
744      VirtualConsole *vc = (void *)opaque;
745  
746      gd_set_ui_info(vc, width, height);
747  }
748  
749  #endif
750  
751  /*
752   * If available, return the update interval of the monitor in ms,
753   * else return 0 (the default update interval).
754   */
755  int gd_monitor_update_interval(GtkWidget *widget)
756  {
757  #ifdef GDK_VERSION_3_22
758      GdkWindow *win = gtk_widget_get_window(widget);
759  
760      if (win) {
761          GdkDisplay *dpy = gtk_widget_get_display(widget);
762          GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
763          int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
764  
765          if (refresh_rate) {
766              /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
767              return MIN(1000 * 1000 / refresh_rate,
768                         GUI_REFRESH_INTERVAL_DEFAULT);
769          }
770      }
771  #endif
772      return 0;
773  }
774  
775  static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
776  {
777      VirtualConsole *vc = opaque;
778      GtkDisplayState *s = vc->s;
779      int mx, my;
780      int ww, wh;
781      int fbw, fbh;
782  
783  #if defined(CONFIG_OPENGL)
784      if (vc->gfx.gls) {
785          if (gtk_use_gl_area) {
786              /* invoke render callback please */
787              return FALSE;
788          } else {
789              gd_egl_draw(vc);
790              return TRUE;
791          }
792      }
793  #endif
794  
795      if (!gtk_widget_get_realized(widget)) {
796          return FALSE;
797      }
798      if (!vc->gfx.ds) {
799          return FALSE;
800      }
801  
802      vc->gfx.dcl.update_interval =
803          gd_monitor_update_interval(vc->window ? vc->window : s->window);
804  
805      fbw = surface_width(vc->gfx.ds);
806      fbh = surface_height(vc->gfx.ds);
807  
808      ww = gdk_window_get_width(gtk_widget_get_window(widget));
809      wh = gdk_window_get_height(gtk_widget_get_window(widget));
810  
811      if (s->full_screen) {
812          vc->gfx.scale_x = (double)ww / fbw;
813          vc->gfx.scale_y = (double)wh / fbh;
814      } else if (s->free_scale) {
815          double sx, sy;
816  
817          sx = (double)ww / fbw;
818          sy = (double)wh / fbh;
819  
820          vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
821      }
822  
823      fbw *= vc->gfx.scale_x;
824      fbh *= vc->gfx.scale_y;
825  
826      mx = my = 0;
827      if (ww > fbw) {
828          mx = (ww - fbw) / 2;
829      }
830      if (wh > fbh) {
831          my = (wh - fbh) / 2;
832      }
833  
834      cairo_rectangle(cr, 0, 0, ww, wh);
835  
836      /* Optionally cut out the inner area where the pixmap
837         will be drawn. This avoids 'flashing' since we're
838         not double-buffering. Note we're using the undocumented
839         behaviour of drawing the rectangle from right to left
840         to cut out the whole */
841      cairo_rectangle(cr, mx + fbw, my,
842                      -1 * fbw, fbh);
843      cairo_fill(cr);
844  
845      cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
846      cairo_set_source_surface(cr, vc->gfx.surface,
847                               mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
848      cairo_paint(cr);
849  
850      return TRUE;
851  }
852  
853  static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
854                                  void *opaque)
855  {
856      VirtualConsole *vc = opaque;
857      GtkDisplayState *s = vc->s;
858      int x, y;
859      int mx, my;
860      int fbh, fbw;
861      int ww, wh;
862  
863      if (!vc->gfx.ds) {
864          return TRUE;
865      }
866  
867      fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
868      fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
869  
870      ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
871      wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
872  
873      mx = my = 0;
874      if (ww > fbw) {
875          mx = (ww - fbw) / 2;
876      }
877      if (wh > fbh) {
878          my = (wh - fbh) / 2;
879      }
880  
881      x = (motion->x - mx) / vc->gfx.scale_x;
882      y = (motion->y - my) / vc->gfx.scale_y;
883  
884      if (qemu_input_is_absolute()) {
885          if (x < 0 || y < 0 ||
886              x >= surface_width(vc->gfx.ds) ||
887              y >= surface_height(vc->gfx.ds)) {
888              return TRUE;
889          }
890          qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
891                               0, surface_width(vc->gfx.ds));
892          qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
893                               0, surface_height(vc->gfx.ds));
894          qemu_input_event_sync();
895      } else if (s->last_set && s->ptr_owner == vc) {
896          qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
897          qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
898          qemu_input_event_sync();
899      }
900      s->last_x = x;
901      s->last_y = y;
902      s->last_set = TRUE;
903  
904      if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
905          GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
906          GdkDisplay *dpy = gtk_widget_get_display(widget);
907          GdkWindow *win = gtk_widget_get_window(widget);
908          GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
909          GdkRectangle geometry;
910          int screen_width, screen_height;
911  
912          int x = (int)motion->x_root;
913          int y = (int)motion->y_root;
914  
915          gdk_monitor_get_geometry(monitor, &geometry);
916          screen_width = geometry.width;
917          screen_height = geometry.height;
918  
919          /* In relative mode check to see if client pointer hit
920           * one of the screen edges, and if so move it back by
921           * 200 pixels. This is important because the pointer
922           * in the server doesn't correspond 1-for-1, and so
923           * may still be only half way across the screen. Without
924           * this warp, the server pointer would thus appear to hit
925           * an invisible wall */
926          if (x == 0) {
927              x += 200;
928          }
929          if (y == 0) {
930              y += 200;
931          }
932          if (x == (screen_width - 1)) {
933              x -= 200;
934          }
935          if (y == (screen_height - 1)) {
936              y -= 200;
937          }
938  
939          if (x != (int)motion->x_root || y != (int)motion->y_root) {
940              GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
941              gdk_device_warp(dev, screen, x, y);
942              s->last_set = FALSE;
943              return FALSE;
944          }
945      }
946      return TRUE;
947  }
948  
949  static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
950                                  void *opaque)
951  {
952      VirtualConsole *vc = opaque;
953      GtkDisplayState *s = vc->s;
954      InputButton btn;
955  
956      /* implicitly grab the input at the first click in the relative mode */
957      if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
958          !qemu_input_is_absolute() && s->ptr_owner != vc) {
959          if (!vc->window) {
960              gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
961                                             TRUE);
962          } else {
963              gd_grab_pointer(vc, "relative-mode-click");
964          }
965          return TRUE;
966      }
967  
968      if (button->button == 1) {
969          btn = INPUT_BUTTON_LEFT;
970      } else if (button->button == 2) {
971          btn = INPUT_BUTTON_MIDDLE;
972      } else if (button->button == 3) {
973          btn = INPUT_BUTTON_RIGHT;
974      } else if (button->button == 8) {
975          btn = INPUT_BUTTON_SIDE;
976      } else if (button->button == 9) {
977          btn = INPUT_BUTTON_EXTRA;
978      } else {
979          return TRUE;
980      }
981  
982      qemu_input_queue_btn(vc->gfx.dcl.con, btn,
983                           button->type == GDK_BUTTON_PRESS);
984      qemu_input_event_sync();
985      return TRUE;
986  }
987  
988  static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
989                                  void *opaque)
990  {
991      VirtualConsole *vc = opaque;
992      InputButton btn;
993  
994      if (scroll->direction == GDK_SCROLL_UP) {
995          btn = INPUT_BUTTON_WHEEL_UP;
996      } else if (scroll->direction == GDK_SCROLL_DOWN) {
997          btn = INPUT_BUTTON_WHEEL_DOWN;
998      } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
999          gdouble delta_x, delta_y;
1000          if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1001                                           &delta_x, &delta_y)) {
1002              return TRUE;
1003          }
1004          if (delta_y == 0) {
1005              return TRUE;
1006          } else if (delta_y > 0) {
1007              btn = INPUT_BUTTON_WHEEL_DOWN;
1008          } else {
1009              btn = INPUT_BUTTON_WHEEL_UP;
1010          }
1011      } else {
1012          return TRUE;
1013      }
1014  
1015      qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1016      qemu_input_event_sync();
1017      qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1018      qemu_input_event_sync();
1019      return TRUE;
1020  }
1021  
1022  
1023  static const guint16 *gd_get_keymap(size_t *maplen)
1024  {
1025      GdkDisplay *dpy = gdk_display_get_default();
1026  
1027  #ifdef GDK_WINDOWING_X11
1028      if (GDK_IS_X11_DISPLAY(dpy)) {
1029          trace_gd_keymap_windowing("x11");
1030          return qemu_xkeymap_mapping_table(
1031              gdk_x11_display_get_xdisplay(dpy), maplen);
1032      }
1033  #endif
1034  
1035  #ifdef GDK_WINDOWING_WAYLAND
1036      if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1037          trace_gd_keymap_windowing("wayland");
1038          *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1039          return qemu_input_map_xorgevdev_to_qcode;
1040      }
1041  #endif
1042  
1043  #ifdef GDK_WINDOWING_WIN32
1044      if (GDK_IS_WIN32_DISPLAY(dpy)) {
1045          trace_gd_keymap_windowing("win32");
1046          *maplen = qemu_input_map_atset1_to_qcode_len;
1047          return qemu_input_map_atset1_to_qcode;
1048      }
1049  #endif
1050  
1051  #ifdef GDK_WINDOWING_QUARTZ
1052      if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1053          trace_gd_keymap_windowing("quartz");
1054          *maplen = qemu_input_map_osx_to_qcode_len;
1055          return qemu_input_map_osx_to_qcode;
1056      }
1057  #endif
1058  
1059  #ifdef GDK_WINDOWING_BROADWAY
1060      if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1061          trace_gd_keymap_windowing("broadway");
1062          g_warning("experimental: using broadway, x11 virtual keysym\n"
1063                    "mapping - with very limited support. See also\n"
1064                    "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1065          *maplen = qemu_input_map_x11_to_qcode_len;
1066          return qemu_input_map_x11_to_qcode;
1067      }
1068  #endif
1069  
1070      g_warning("Unsupported GDK Windowing platform.\n"
1071                "Disabling extended keycode tables.\n"
1072                "Please report to qemu-devel@nongnu.org\n"
1073                "including the following information:\n"
1074                "\n"
1075                "  - Operating system\n"
1076                "  - GDK Windowing system build\n");
1077      return NULL;
1078  }
1079  
1080  
1081  static int gd_map_keycode(int scancode)
1082  {
1083      if (!keycode_map) {
1084          return 0;
1085      }
1086      if (scancode > keycode_maplen) {
1087          return 0;
1088      }
1089  
1090      return keycode_map[scancode];
1091  }
1092  
1093  static int gd_get_keycode(GdkEventKey *key)
1094  {
1095  #ifdef G_OS_WIN32
1096      int scancode = gdk_event_get_scancode((GdkEvent *)key);
1097  
1098      /* translate Windows native scancodes to atset1 keycodes */
1099      switch (scancode & (KF_EXTENDED | 0xff)) {
1100      case 0x145:     /* NUMLOCK */
1101          return scancode & 0xff;
1102      }
1103  
1104      return scancode & KF_EXTENDED ?
1105          0xe000 | (scancode & 0xff) : scancode & 0xff;
1106  
1107  #else
1108      return key->hardware_keycode;
1109  #endif
1110  }
1111  
1112  static gboolean gd_text_key_down(GtkWidget *widget,
1113                                   GdkEventKey *key, void *opaque)
1114  {
1115      VirtualConsole *vc = opaque;
1116      QemuConsole *con = vc->gfx.dcl.con;
1117  
1118      if (key->keyval == GDK_KEY_Delete) {
1119          kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1120      } else if (key->length) {
1121          kbd_put_string_console(con, key->string, key->length);
1122      } else {
1123          int qcode = gd_map_keycode(gd_get_keycode(key));
1124          kbd_put_qcode_console(con, qcode, false);
1125      }
1126      return TRUE;
1127  }
1128  
1129  static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1130  {
1131      VirtualConsole *vc = opaque;
1132      int keycode, qcode;
1133  
1134  #ifdef G_OS_WIN32
1135      /* on windows, we ought to ignore the reserved key event? */
1136      if (key->hardware_keycode == 0xff)
1137          return false;
1138  
1139      if (!vc->s->kbd_owner) {
1140          if (key->hardware_keycode == VK_LWIN ||
1141              key->hardware_keycode == VK_RWIN) {
1142              return FALSE;
1143          }
1144      }
1145  #endif
1146  
1147      if (key->keyval == GDK_KEY_Pause
1148  #ifdef G_OS_WIN32
1149          /* for some reason GDK does not fill keyval for VK_PAUSE
1150           * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1151           */
1152          || key->hardware_keycode == VK_PAUSE
1153  #endif
1154          ) {
1155          qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1156                               key->type == GDK_KEY_PRESS);
1157          return TRUE;
1158      }
1159  
1160      keycode = gd_get_keycode(key);
1161      qcode = gd_map_keycode(keycode);
1162  
1163      trace_gd_key_event(vc->label, keycode, qcode,
1164                         (key->type == GDK_KEY_PRESS) ? "down" : "up");
1165  
1166      qkbd_state_key_event(vc->gfx.kbd, qcode,
1167                           key->type == GDK_KEY_PRESS);
1168  
1169      return TRUE;
1170  }
1171  
1172  static gboolean gd_grab_broken_event(GtkWidget *widget,
1173                                       GdkEventGrabBroken *event, void *opaque)
1174  {
1175  #ifdef CONFIG_WIN32
1176      /*
1177       * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1178       * key combination leaves all three keys in a stuck condition. We use
1179       * the grab-broken-event to release all keys.
1180       */
1181      if (event->keyboard) {
1182          VirtualConsole *vc = opaque;
1183          GtkDisplayState *s = vc->s;
1184  
1185          gtk_release_modifiers(s);
1186      }
1187  #endif
1188      return TRUE;
1189  }
1190  
1191  static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1192  {
1193      if (event->type == GDK_MOTION_NOTIFY) {
1194          return gd_motion_event(widget, &event->motion, opaque);
1195      }
1196      return FALSE;
1197  }
1198  
1199  /** Window Menu Actions **/
1200  
1201  static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1202  {
1203      GtkDisplayState *s = opaque;
1204  
1205      if (s->external_pause_update) {
1206          return;
1207      }
1208      if (runstate_is_running()) {
1209          qmp_stop(NULL);
1210      } else {
1211          qmp_cont(NULL);
1212      }
1213  }
1214  
1215  static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1216  {
1217      qmp_system_reset(NULL);
1218  }
1219  
1220  static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1221  {
1222      qmp_system_powerdown(NULL);
1223  }
1224  
1225  static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1226  {
1227      qmp_quit(NULL);
1228  }
1229  
1230  static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1231  {
1232      GtkDisplayState *s = opaque;
1233      VirtualConsole *vc = gd_vc_find_by_menu(s);
1234      GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1235      gint page;
1236  
1237      gtk_release_modifiers(s);
1238      if (vc) {
1239          page = gtk_notebook_page_num(nb, vc->tab_item);
1240          gtk_notebook_set_current_page(nb, page);
1241          gtk_widget_grab_focus(vc->focus);
1242      }
1243  }
1244  
1245  static void gd_accel_switch_vc(void *opaque)
1246  {
1247      VirtualConsole *vc = opaque;
1248  
1249      gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1250  }
1251  
1252  static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1253  {
1254      GtkDisplayState *s = opaque;
1255      VirtualConsole *vc = gd_vc_find_current(s);
1256  
1257      if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1258          gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1259      } else {
1260          gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1261      }
1262      gd_update_windowsize(vc);
1263  }
1264  
1265  static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1266                                      void *opaque)
1267  {
1268      VirtualConsole *vc = opaque;
1269      GtkDisplayState *s = vc->s;
1270  
1271      gtk_widget_set_sensitive(vc->menu_item, true);
1272      gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1273      gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1274                                      vc->tab_item, vc->label);
1275      gtk_widget_destroy(vc->window);
1276      vc->window = NULL;
1277      return TRUE;
1278  }
1279  
1280  static gboolean gd_win_grab(void *opaque)
1281  {
1282      VirtualConsole *vc = opaque;
1283  
1284      fprintf(stderr, "%s: %s\n", __func__, vc->label);
1285      if (vc->s->ptr_owner) {
1286          gd_ungrab_pointer(vc->s);
1287      } else {
1288          gd_grab_pointer(vc, "user-request-detached-tab");
1289      }
1290      return TRUE;
1291  }
1292  
1293  static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1294  {
1295      GtkDisplayState *s = opaque;
1296      VirtualConsole *vc = gd_vc_find_current(s);
1297  
1298      if (vc->type == GD_VC_GFX &&
1299          qemu_console_is_graphic(vc->gfx.dcl.con)) {
1300          gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1301                                         FALSE);
1302      }
1303      if (!vc->window) {
1304          gtk_widget_set_sensitive(vc->menu_item, false);
1305          vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1306          gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1307  
1308          g_signal_connect(vc->window, "delete-event",
1309                           G_CALLBACK(gd_tab_window_close), vc);
1310          gtk_widget_show_all(vc->window);
1311  
1312          if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1313              GtkAccelGroup *ag = gtk_accel_group_new();
1314              gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1315  
1316              GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1317                                                 vc, NULL);
1318              gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1319          }
1320  
1321          gd_update_geometry_hints(vc);
1322          gd_update_caption(s);
1323      }
1324  }
1325  
1326  static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1327  {
1328      GtkDisplayState *s = opaque;
1329      VirtualConsole *vc = gd_vc_find_current(s);
1330  
1331      if (s->full_screen) {
1332          return;
1333      }
1334  
1335      if (gtk_check_menu_item_get_active(
1336                  GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1337          gtk_widget_show(s->menu_bar);
1338      } else {
1339          gtk_widget_hide(s->menu_bar);
1340      }
1341      gd_update_windowsize(vc);
1342  }
1343  
1344  static void gd_accel_show_menubar(void *opaque)
1345  {
1346      GtkDisplayState *s = opaque;
1347      gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1348  }
1349  
1350  static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1351  {
1352      GtkDisplayState *s = opaque;
1353      VirtualConsole *vc = gd_vc_find_current(s);
1354  
1355      if (!s->full_screen) {
1356          gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1357          gtk_widget_hide(s->menu_bar);
1358          if (vc->type == GD_VC_GFX) {
1359              gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1360          }
1361          gtk_window_fullscreen(GTK_WINDOW(s->window));
1362          s->full_screen = TRUE;
1363      } else {
1364          gtk_window_unfullscreen(GTK_WINDOW(s->window));
1365          gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1366          if (gtk_check_menu_item_get_active(
1367                      GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1368              gtk_widget_show(s->menu_bar);
1369          }
1370          s->full_screen = FALSE;
1371          if (vc->type == GD_VC_GFX) {
1372              vc->gfx.scale_x = 1.0;
1373              vc->gfx.scale_y = 1.0;
1374              gd_update_windowsize(vc);
1375          }
1376      }
1377  
1378      gd_update_cursor(vc);
1379  }
1380  
1381  static void gd_accel_full_screen(void *opaque)
1382  {
1383      GtkDisplayState *s = opaque;
1384      gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1385  }
1386  
1387  static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1388  {
1389      GtkDisplayState *s = opaque;
1390      VirtualConsole *vc = gd_vc_find_current(s);
1391  
1392      gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1393                                     FALSE);
1394  
1395      vc->gfx.scale_x += VC_SCALE_STEP;
1396      vc->gfx.scale_y += VC_SCALE_STEP;
1397  
1398      gd_update_windowsize(vc);
1399  }
1400  
1401  static void gd_accel_zoom_in(void *opaque)
1402  {
1403      GtkDisplayState *s = opaque;
1404      gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1405  }
1406  
1407  static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1408  {
1409      GtkDisplayState *s = opaque;
1410      VirtualConsole *vc = gd_vc_find_current(s);
1411  
1412      gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1413                                     FALSE);
1414  
1415      vc->gfx.scale_x -= VC_SCALE_STEP;
1416      vc->gfx.scale_y -= VC_SCALE_STEP;
1417  
1418      vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1419      vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1420  
1421      gd_update_windowsize(vc);
1422  }
1423  
1424  static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1425  {
1426      GtkDisplayState *s = opaque;
1427      VirtualConsole *vc = gd_vc_find_current(s);
1428  
1429      vc->gfx.scale_x = 1.0;
1430      vc->gfx.scale_y = 1.0;
1431  
1432      gd_update_windowsize(vc);
1433  }
1434  
1435  static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1436  {
1437      GtkDisplayState *s = opaque;
1438      VirtualConsole *vc = gd_vc_find_current(s);
1439  
1440      if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1441          s->free_scale = TRUE;
1442      } else {
1443          s->free_scale = FALSE;
1444          vc->gfx.scale_x = 1.0;
1445          vc->gfx.scale_y = 1.0;
1446      }
1447  
1448      gd_update_windowsize(vc);
1449      gd_update_full_redraw(vc);
1450  }
1451  
1452  static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1453  {
1454      GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1455      GdkSeat *seat = gdk_display_get_default_seat(display);
1456      GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1457      GdkSeatCapabilities caps = 0;
1458      GdkCursor *cursor = NULL;
1459  
1460      if (kbd) {
1461          caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1462      }
1463      if (ptr) {
1464          caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1465          cursor = vc->s->null_cursor;
1466      }
1467  
1468      if (caps) {
1469          gdk_seat_grab(seat, window, caps, false, cursor,
1470                        NULL, NULL, NULL);
1471      } else {
1472          gdk_seat_ungrab(seat);
1473      }
1474  }
1475  
1476  static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1477  {
1478      if (vc->s->kbd_owner) {
1479          if (vc->s->kbd_owner == vc) {
1480              return;
1481          } else {
1482              gd_ungrab_keyboard(vc->s);
1483          }
1484      }
1485  
1486      win32_kbd_set_grab(true);
1487      gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1488      vc->s->kbd_owner = vc;
1489      gd_update_caption(vc->s);
1490      trace_gd_grab(vc->label, "kbd", reason);
1491  }
1492  
1493  static void gd_ungrab_keyboard(GtkDisplayState *s)
1494  {
1495      VirtualConsole *vc = s->kbd_owner;
1496  
1497      if (vc == NULL) {
1498          return;
1499      }
1500      s->kbd_owner = NULL;
1501  
1502      win32_kbd_set_grab(false);
1503      gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1504      gd_update_caption(s);
1505      trace_gd_ungrab(vc->label, "kbd");
1506  }
1507  
1508  static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1509  {
1510      GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1511  
1512      if (vc->s->ptr_owner) {
1513          if (vc->s->ptr_owner == vc) {
1514              return;
1515          } else {
1516              gd_ungrab_pointer(vc->s);
1517          }
1518      }
1519  
1520      gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1521      gdk_device_get_position(gd_get_pointer(display),
1522                              NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1523      vc->s->ptr_owner = vc;
1524      gd_update_caption(vc->s);
1525      trace_gd_grab(vc->label, "ptr", reason);
1526  }
1527  
1528  static void gd_ungrab_pointer(GtkDisplayState *s)
1529  {
1530      VirtualConsole *vc = s->ptr_owner;
1531      GdkDisplay *display;
1532  
1533      if (vc == NULL) {
1534          return;
1535      }
1536      s->ptr_owner = NULL;
1537  
1538      display = gtk_widget_get_display(vc->gfx.drawing_area);
1539      gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1540      gdk_device_warp(gd_get_pointer(display),
1541                      gtk_widget_get_screen(vc->gfx.drawing_area),
1542                      vc->s->grab_x_root, vc->s->grab_y_root);
1543      gd_update_caption(s);
1544      trace_gd_ungrab(vc->label, "ptr");
1545  }
1546  
1547  static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1548  {
1549      GtkDisplayState *s = opaque;
1550      VirtualConsole *vc = gd_vc_find_current(s);
1551  
1552      if (gd_is_grab_active(s)) {
1553          gd_grab_keyboard(vc, "user-request-main-window");
1554          gd_grab_pointer(vc, "user-request-main-window");
1555      } else {
1556          gd_ungrab_keyboard(s);
1557          gd_ungrab_pointer(s);
1558      }
1559  
1560      gd_update_cursor(vc);
1561  }
1562  
1563  static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1564                             gpointer data)
1565  {
1566      GtkDisplayState *s = data;
1567      VirtualConsole *vc;
1568      gboolean on_vga;
1569  
1570      if (!gtk_widget_get_realized(s->notebook)) {
1571          return;
1572      }
1573  
1574      vc = gd_vc_find_by_page(s, arg2);
1575      if (!vc) {
1576          return;
1577      }
1578      gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1579                                     TRUE);
1580      on_vga = (vc->type == GD_VC_GFX &&
1581                qemu_console_is_graphic(vc->gfx.dcl.con));
1582      if (!on_vga) {
1583          gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1584                                         FALSE);
1585      } else if (s->full_screen) {
1586          gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1587                                         TRUE);
1588      }
1589      gtk_widget_set_sensitive(s->grab_item, on_vga);
1590  #ifdef CONFIG_VTE
1591      gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1592  #endif
1593  
1594      gd_update_windowsize(vc);
1595      gd_update_cursor(vc);
1596  }
1597  
1598  static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1599                                 gpointer opaque)
1600  {
1601      VirtualConsole *vc = opaque;
1602      GtkDisplayState *s = vc->s;
1603  
1604      if (gd_grab_on_hover(s)) {
1605          gd_grab_keyboard(vc, "grab-on-hover");
1606      }
1607      return TRUE;
1608  }
1609  
1610  static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1611                                 gpointer opaque)
1612  {
1613      VirtualConsole *vc = opaque;
1614      GtkDisplayState *s = vc->s;
1615  
1616      if (gd_grab_on_hover(s)) {
1617          gd_ungrab_keyboard(s);
1618      }
1619      return TRUE;
1620  }
1621  
1622  static gboolean gd_focus_in_event(GtkWidget *widget,
1623                                    GdkEventFocus *event, gpointer opaque)
1624  {
1625      VirtualConsole *vc = opaque;
1626  
1627      win32_kbd_set_window(gd_win32_get_hwnd(vc));
1628      return TRUE;
1629  }
1630  
1631  static gboolean gd_focus_out_event(GtkWidget *widget,
1632                                     GdkEventFocus *event, gpointer opaque)
1633  {
1634      VirtualConsole *vc = opaque;
1635      GtkDisplayState *s = vc->s;
1636  
1637      win32_kbd_set_window(NULL);
1638      gtk_release_modifiers(s);
1639      return TRUE;
1640  }
1641  
1642  static gboolean gd_configure(GtkWidget *widget,
1643                               GdkEventConfigure *cfg, gpointer opaque)
1644  {
1645      VirtualConsole *vc = opaque;
1646  
1647      gd_set_ui_info(vc, cfg->width, cfg->height);
1648      return FALSE;
1649  }
1650  
1651  /** Virtual Console Callbacks **/
1652  
1653  static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1654                                 int idx, GSList *group, GtkWidget *view_menu)
1655  {
1656      vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1657      gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1658              HOTKEY_MODIFIERS, 0,
1659              g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1660      gtk_accel_label_set_accel(
1661              GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1662              GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1663  
1664      g_signal_connect(vc->menu_item, "activate",
1665                       G_CALLBACK(gd_menu_switch_vc), s);
1666      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1667  
1668      return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1669  }
1670  
1671  #if defined(CONFIG_VTE)
1672  static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1673  {
1674      GtkDisplayState *s = opaque;
1675      VirtualConsole *vc = gd_vc_find_current(s);
1676  
1677  #if VTE_CHECK_VERSION(0, 50, 0)
1678      vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1679                                         VTE_FORMAT_TEXT);
1680  #else
1681      vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1682  #endif
1683  }
1684  
1685  static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1686  {
1687      VirtualConsole *vc = opaque;
1688  
1689      if (gtk_adjustment_get_upper(adjustment) >
1690          gtk_adjustment_get_page_size(adjustment)) {
1691          gtk_widget_show(vc->vte.scrollbar);
1692      } else {
1693          gtk_widget_hide(vc->vte.scrollbar);
1694      }
1695  }
1696  
1697  static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1698  {
1699      VCChardev *vcd = VC_CHARDEV(chr);
1700      VirtualConsole *vc = vcd->console;
1701  
1702      vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1703      return len;
1704  }
1705  
1706  static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1707  {
1708      VCChardev *vcd = VC_CHARDEV(chr);
1709      VirtualConsole *vc = vcd->console;
1710  
1711      if (vc) {
1712          vc->vte.echo = echo;
1713      } else {
1714          vcd->echo = echo;
1715      }
1716  }
1717  
1718  static int nb_vcs;
1719  static Chardev *vcs[MAX_VCS];
1720  static void gd_vc_open(Chardev *chr,
1721                         ChardevBackend *backend,
1722                         bool *be_opened,
1723                         Error **errp)
1724  {
1725      if (nb_vcs == MAX_VCS) {
1726          error_setg(errp, "Maximum number of consoles reached");
1727          return;
1728      }
1729  
1730      vcs[nb_vcs++] = chr;
1731  
1732      /* console/chardev init sometimes completes elsewhere in a 2nd
1733       * stage, so defer OPENED events until they are fully initialized
1734       */
1735      *be_opened = false;
1736  }
1737  
1738  static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1739  {
1740      ChardevClass *cc = CHARDEV_CLASS(oc);
1741  
1742      cc->parse = qemu_chr_parse_vc;
1743      cc->open = gd_vc_open;
1744      cc->chr_write = gd_vc_chr_write;
1745      cc->chr_set_echo = gd_vc_chr_set_echo;
1746  }
1747  
1748  static const TypeInfo char_gd_vc_type_info = {
1749      .name = TYPE_CHARDEV_VC,
1750      .parent = TYPE_CHARDEV,
1751      .instance_size = sizeof(VCChardev),
1752      .class_init = char_gd_vc_class_init,
1753  };
1754  
1755  static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1756                           gpointer user_data)
1757  {
1758      VirtualConsole *vc = user_data;
1759  
1760      if (vc->vte.echo) {
1761          VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1762          int i;
1763          for (i = 0; i < size; i++) {
1764              uint8_t c = text[i];
1765              if (c >= 128 || isprint(c)) {
1766                  /* 8-bit characters are considered printable.  */
1767                  vte_terminal_feed(term, &text[i], 1);
1768              } else if (c == '\r' || c == '\n') {
1769                  vte_terminal_feed(term, "\r\n", 2);
1770              } else {
1771                  char ctrl[2] = { '^', 0};
1772                  ctrl[1] = text[i] ^ 64;
1773                  vte_terminal_feed(term, ctrl, 2);
1774              }
1775          }
1776      }
1777  
1778      qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1779      return TRUE;
1780  }
1781  
1782  static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1783                                Chardev *chr, int idx,
1784                                GSList *group, GtkWidget *view_menu)
1785  {
1786      char buffer[32];
1787      GtkWidget *box;
1788      GtkWidget *scrollbar;
1789      GtkAdjustment *vadjustment;
1790      VCChardev *vcd = VC_CHARDEV(chr);
1791  
1792      vc->s = s;
1793      vc->vte.echo = vcd->echo;
1794      vc->vte.chr = chr;
1795      vcd->console = vc;
1796  
1797      snprintf(buffer, sizeof(buffer), "vc%d", idx);
1798      vc->label = g_strdup_printf("%s", vc->vte.chr->label
1799                                  ? vc->vte.chr->label : buffer);
1800      group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1801  
1802      vc->vte.terminal = vte_terminal_new();
1803      g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1804  
1805      /* The documentation says that the default is UTF-8, but actually it is
1806       * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1807       * VTE 0.54 (only UTF-8 is supported now). */
1808  #if !VTE_CHECK_VERSION(0, 54, 0)
1809  #if VTE_CHECK_VERSION(0, 38, 0)
1810      vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1811  #else
1812      vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1813  #endif
1814  #endif
1815  
1816      vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1817      vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1818                            VC_TERM_X_MIN, VC_TERM_Y_MIN);
1819  
1820  #if VTE_CHECK_VERSION(0, 28, 0)
1821      vadjustment = gtk_scrollable_get_vadjustment
1822          (GTK_SCROLLABLE(vc->vte.terminal));
1823  #else
1824      vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1825  #endif
1826  
1827      box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1828      scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1829  
1830      gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1831      gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1832  
1833      vc->vte.box = box;
1834      vc->vte.scrollbar = scrollbar;
1835  
1836      g_signal_connect(vadjustment, "changed",
1837                       G_CALLBACK(gd_vc_adjustment_changed), vc);
1838  
1839      vc->type = GD_VC_VTE;
1840      vc->tab_item = box;
1841      vc->focus = vc->vte.terminal;
1842      gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1843                               gtk_label_new(vc->label));
1844  
1845      qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1846  
1847      return group;
1848  }
1849  
1850  static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1851                          GtkWidget *view_menu)
1852  {
1853      int i;
1854  
1855      for (i = 0; i < nb_vcs; i++) {
1856          VirtualConsole *vc = &s->vc[s->nb_vcs];
1857          group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1858          s->nb_vcs++;
1859      }
1860  }
1861  #endif /* CONFIG_VTE */
1862  
1863  /** Window Creation **/
1864  
1865  static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1866  {
1867      g_signal_connect(vc->gfx.drawing_area, "draw",
1868                       G_CALLBACK(gd_draw_event), vc);
1869  #if defined(CONFIG_OPENGL)
1870      if (gtk_use_gl_area) {
1871          /* wire up GtkGlArea events */
1872          g_signal_connect(vc->gfx.drawing_area, "render",
1873                           G_CALLBACK(gd_render_event), vc);
1874          g_signal_connect(vc->gfx.drawing_area, "resize",
1875                           G_CALLBACK(gd_resize_event), vc);
1876      }
1877  #endif
1878      if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1879          g_signal_connect(vc->gfx.drawing_area, "event",
1880                           G_CALLBACK(gd_event), vc);
1881          g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1882                           G_CALLBACK(gd_button_event), vc);
1883          g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1884                           G_CALLBACK(gd_button_event), vc);
1885          g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1886                           G_CALLBACK(gd_scroll_event), vc);
1887          g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1888                           G_CALLBACK(gd_key_event), vc);
1889          g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1890                           G_CALLBACK(gd_key_event), vc);
1891  
1892          g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1893                           G_CALLBACK(gd_enter_event), vc);
1894          g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1895                           G_CALLBACK(gd_leave_event), vc);
1896          g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1897                           G_CALLBACK(gd_focus_in_event), vc);
1898          g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1899                           G_CALLBACK(gd_focus_out_event), vc);
1900          g_signal_connect(vc->gfx.drawing_area, "configure-event",
1901                           G_CALLBACK(gd_configure), vc);
1902          g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1903                           G_CALLBACK(gd_grab_broken_event), vc);
1904      } else {
1905          g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1906                           G_CALLBACK(gd_text_key_down), vc);
1907      }
1908  }
1909  
1910  static void gd_connect_signals(GtkDisplayState *s)
1911  {
1912      g_signal_connect(s->show_tabs_item, "activate",
1913                       G_CALLBACK(gd_menu_show_tabs), s);
1914      g_signal_connect(s->untabify_item, "activate",
1915                       G_CALLBACK(gd_menu_untabify), s);
1916      g_signal_connect(s->show_menubar_item, "activate",
1917                       G_CALLBACK(gd_menu_show_menubar), s);
1918  
1919      g_signal_connect(s->window, "delete-event",
1920                       G_CALLBACK(gd_window_close), s);
1921  
1922      g_signal_connect(s->pause_item, "activate",
1923                       G_CALLBACK(gd_menu_pause), s);
1924      g_signal_connect(s->reset_item, "activate",
1925                       G_CALLBACK(gd_menu_reset), s);
1926      g_signal_connect(s->powerdown_item, "activate",
1927                       G_CALLBACK(gd_menu_powerdown), s);
1928      g_signal_connect(s->quit_item, "activate",
1929                       G_CALLBACK(gd_menu_quit), s);
1930  #if defined(CONFIG_VTE)
1931      g_signal_connect(s->copy_item, "activate",
1932                       G_CALLBACK(gd_menu_copy), s);
1933  #endif
1934      g_signal_connect(s->full_screen_item, "activate",
1935                       G_CALLBACK(gd_menu_full_screen), s);
1936      g_signal_connect(s->zoom_in_item, "activate",
1937                       G_CALLBACK(gd_menu_zoom_in), s);
1938      g_signal_connect(s->zoom_out_item, "activate",
1939                       G_CALLBACK(gd_menu_zoom_out), s);
1940      g_signal_connect(s->zoom_fixed_item, "activate",
1941                       G_CALLBACK(gd_menu_zoom_fixed), s);
1942      g_signal_connect(s->zoom_fit_item, "activate",
1943                       G_CALLBACK(gd_menu_zoom_fit), s);
1944      g_signal_connect(s->grab_item, "activate",
1945                       G_CALLBACK(gd_menu_grab_input), s);
1946      g_signal_connect(s->notebook, "switch-page",
1947                       G_CALLBACK(gd_change_page), s);
1948  }
1949  
1950  static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1951  {
1952      GtkWidget *machine_menu;
1953      GtkWidget *separator;
1954  
1955      machine_menu = gtk_menu_new();
1956      gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1957  
1958      s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1959      gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1960  
1961      separator = gtk_separator_menu_item_new();
1962      gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1963  
1964      s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1965      gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1966  
1967      s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1968      gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1969  
1970      separator = gtk_separator_menu_item_new();
1971      gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1972  
1973      s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1974      gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1975                                   "<QEMU>/Machine/Quit");
1976      gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1977                              GDK_KEY_q, HOTKEY_MODIFIERS);
1978      gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1979  
1980      return machine_menu;
1981  }
1982  
1983  static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1984                                QemuConsole *con, int idx,
1985                                GSList *group, GtkWidget *view_menu)
1986  {
1987      bool zoom_to_fit = false;
1988  
1989      vc->label = qemu_console_get_label(con);
1990      vc->s = s;
1991      vc->gfx.scale_x = 1.0;
1992      vc->gfx.scale_y = 1.0;
1993  
1994  #if defined(CONFIG_OPENGL)
1995      if (display_opengl) {
1996  #if defined(CONFIG_OPENGL)
1997          if (gtk_use_gl_area) {
1998              vc->gfx.drawing_area = gtk_gl_area_new();
1999              vc->gfx.dcl.ops = &dcl_gl_area_ops;
2000          } else
2001  #endif /* CONFIG_OPENGL */
2002          {
2003              vc->gfx.drawing_area = gtk_drawing_area_new();
2004              /*
2005               * gtk_widget_set_double_buffered() was deprecated in 3.14.
2006               * It is required for opengl rendering on X11 though.  A
2007               * proper replacement (native opengl support) is only
2008               * available in 3.16+.  Silence the warning if possible.
2009               */
2010  #pragma GCC diagnostic push
2011  #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2012              gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2013  #pragma GCC diagnostic pop
2014              vc->gfx.dcl.ops = &dcl_egl_ops;
2015          }
2016      } else
2017  #endif
2018      {
2019          vc->gfx.drawing_area = gtk_drawing_area_new();
2020          vc->gfx.dcl.ops = &dcl_ops;
2021      }
2022  
2023  
2024      gtk_widget_add_events(vc->gfx.drawing_area,
2025                            GDK_POINTER_MOTION_MASK |
2026                            GDK_BUTTON_PRESS_MASK |
2027                            GDK_BUTTON_RELEASE_MASK |
2028                            GDK_BUTTON_MOTION_MASK |
2029                            GDK_ENTER_NOTIFY_MASK |
2030                            GDK_LEAVE_NOTIFY_MASK |
2031                            GDK_SCROLL_MASK |
2032                            GDK_SMOOTH_SCROLL_MASK |
2033                            GDK_KEY_PRESS_MASK);
2034      gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2035  
2036      vc->type = GD_VC_GFX;
2037      vc->tab_item = vc->gfx.drawing_area;
2038      vc->focus = vc->gfx.drawing_area;
2039      gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2040                               vc->tab_item, gtk_label_new(vc->label));
2041  
2042      vc->gfx.kbd = qkbd_state_init(con);
2043      vc->gfx.dcl.con = con;
2044  
2045      register_displaychangelistener(&vc->gfx.dcl);
2046  
2047      gd_connect_vc_gfx_signals(vc);
2048      group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2049  
2050      if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2051          zoom_to_fit = true;
2052      }
2053      if (s->opts->u.gtk.has_zoom_to_fit) {
2054          zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2055      }
2056      if (zoom_to_fit) {
2057          gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2058          s->free_scale = true;
2059      }
2060  
2061      return group;
2062  }
2063  
2064  static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2065  {
2066      GSList *group = NULL;
2067      GtkWidget *view_menu;
2068      GtkWidget *separator;
2069      QemuConsole *con;
2070      int vc;
2071  
2072      view_menu = gtk_menu_new();
2073      gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2074  
2075      s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2076  
2077  #if defined(CONFIG_VTE)
2078      s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2079      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2080  #endif
2081  
2082      gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2083              g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2084      gtk_accel_label_set_accel(
2085              GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2086              GDK_KEY_f, HOTKEY_MODIFIERS);
2087      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2088  
2089      separator = gtk_separator_menu_item_new();
2090      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2091  
2092      s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2093      gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2094                                   "<QEMU>/View/Zoom In");
2095      gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2096                              HOTKEY_MODIFIERS);
2097      gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2098              g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2099      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2100  
2101      s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2102      gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2103                                   "<QEMU>/View/Zoom Out");
2104      gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2105                              HOTKEY_MODIFIERS);
2106      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2107  
2108      s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2109      gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2110                                   "<QEMU>/View/Zoom Fixed");
2111      gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2112                              HOTKEY_MODIFIERS);
2113      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2114  
2115      s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2116      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2117  
2118      separator = gtk_separator_menu_item_new();
2119      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2120  
2121      s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2122      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2123  
2124      s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2125      gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2126                                   "<QEMU>/View/Grab Input");
2127      gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2128                              HOTKEY_MODIFIERS);
2129      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2130  
2131      separator = gtk_separator_menu_item_new();
2132      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2133  
2134      /* gfx */
2135      for (vc = 0;; vc++) {
2136          con = qemu_console_lookup_by_index(vc);
2137          if (!con) {
2138              break;
2139          }
2140          group = gd_vc_gfx_init(s, &s->vc[vc], con,
2141                                 vc, group, view_menu);
2142          s->nb_vcs++;
2143      }
2144  
2145  #if defined(CONFIG_VTE)
2146      /* vte */
2147      gd_vcs_init(s, group, view_menu);
2148  #endif
2149  
2150      separator = gtk_separator_menu_item_new();
2151      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2152  
2153      s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2154      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2155  
2156      s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2157      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2158  
2159      s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2160              _("Show Menubar"));
2161      gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2162                                     TRUE);
2163      gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2164              g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2165      gtk_accel_label_set_accel(
2166              GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2167              GDK_KEY_m, HOTKEY_MODIFIERS);
2168      gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2169  
2170      return view_menu;
2171  }
2172  
2173  static void gd_create_menus(GtkDisplayState *s)
2174  {
2175      GtkSettings *settings;
2176  
2177      s->accel_group = gtk_accel_group_new();
2178      s->machine_menu = gd_create_menu_machine(s);
2179      s->view_menu = gd_create_menu_view(s);
2180  
2181      s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2182      gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2183                                s->machine_menu);
2184      gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2185  
2186      s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2187      gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2188      gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2189  
2190      g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2191      gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2192  
2193      /* Disable the default "F10" menu shortcut. */
2194      settings = gtk_widget_get_settings(s->window);
2195      g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2196  }
2197  
2198  
2199  static gboolean gtkinit;
2200  
2201  static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2202  {
2203      VirtualConsole *vc;
2204  
2205      GtkDisplayState *s = g_malloc0(sizeof(*s));
2206      GdkDisplay *window_display;
2207      GtkIconTheme *theme;
2208      char *dir;
2209  
2210      if (!gtkinit) {
2211          fprintf(stderr, "gtk initialization failed\n");
2212          exit(1);
2213      }
2214      assert(opts->type == DISPLAY_TYPE_GTK);
2215      s->opts = opts;
2216  
2217      theme = gtk_icon_theme_get_default();
2218      dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2219      gtk_icon_theme_prepend_search_path(theme, dir);
2220      g_free(dir);
2221      g_set_prgname("qemu");
2222  
2223      s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2224      s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2225      s->notebook = gtk_notebook_new();
2226      s->menu_bar = gtk_menu_bar_new();
2227  
2228      s->free_scale = FALSE;
2229  
2230      /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2231       * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2232       * printable, but without changing any of the character classes to make
2233       * sure that we don't accidentally break implicit assumptions.  */
2234      setlocale(LC_MESSAGES, "");
2235      setlocale(LC_CTYPE, "C.UTF-8");
2236      dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2237      bindtextdomain("qemu", dir);
2238      g_free(dir);
2239      bind_textdomain_codeset("qemu", "UTF-8");
2240      textdomain("qemu");
2241  
2242      window_display = gtk_widget_get_display(s->window);
2243      if (s->opts->has_show_cursor && s->opts->show_cursor) {
2244          s->null_cursor = NULL; /* default pointer */
2245      } else {
2246          s->null_cursor = gdk_cursor_new_for_display(window_display,
2247                                                      GDK_BLANK_CURSOR);
2248      }
2249  
2250      s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2251      qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2252      qemu_add_vm_change_state_handler(gd_change_runstate, s);
2253  
2254      gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2255  
2256      gd_create_menus(s);
2257  
2258      gd_connect_signals(s);
2259  
2260      gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2261      gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2262  
2263      gd_update_caption(s);
2264  
2265      gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2266      gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2267  
2268      gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2269  
2270      gtk_widget_show_all(s->window);
2271  
2272      vc = gd_vc_find_current(s);
2273      gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2274  #ifdef CONFIG_VTE
2275      gtk_widget_set_sensitive(s->copy_item,
2276                               vc && vc->type == GD_VC_VTE);
2277  #endif
2278  
2279      if (opts->has_full_screen &&
2280          opts->full_screen) {
2281          gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2282      }
2283      if (opts->u.gtk.has_grab_on_hover &&
2284          opts->u.gtk.grab_on_hover) {
2285          gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2286      }
2287  }
2288  
2289  static void early_gtk_display_init(DisplayOptions *opts)
2290  {
2291      /* The QEMU code relies on the assumption that it's always run in
2292       * the C locale. Therefore it is not prepared to deal with
2293       * operations that produce different results depending on the
2294       * locale, such as printf's formatting of decimal numbers, and
2295       * possibly others.
2296       *
2297       * Since GTK+ calls setlocale() by default -importing the locale
2298       * settings from the environment- we must prevent it from doing so
2299       * using gtk_disable_setlocale().
2300       *
2301       * QEMU's GTK+ UI, however, _does_ have translations for some of
2302       * the menu items. As a trade-off between a functionally correct
2303       * QEMU and a fully internationalized UI we support importing
2304       * LC_MESSAGES from the environment (see the setlocale() call
2305       * earlier in this file). This allows us to display translated
2306       * messages leaving everything else untouched.
2307       */
2308      gtk_disable_setlocale();
2309      gtkinit = gtk_init_check(NULL, NULL);
2310      if (!gtkinit) {
2311          /* don't exit yet, that'll break -help */
2312          return;
2313      }
2314  
2315      assert(opts->type == DISPLAY_TYPE_GTK);
2316      if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2317  #if defined(CONFIG_OPENGL)
2318  #if defined(GDK_WINDOWING_WAYLAND)
2319          if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2320              gtk_use_gl_area = true;
2321              gtk_gl_area_init();
2322          } else
2323  #endif
2324          {
2325              DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2326              gtk_egl_init(mode);
2327          }
2328  #endif
2329      }
2330  
2331      keycode_map = gd_get_keymap(&keycode_maplen);
2332  
2333  #if defined(CONFIG_VTE)
2334      type_register(&char_gd_vc_type_info);
2335  #endif
2336  }
2337  
2338  static QemuDisplay qemu_display_gtk = {
2339      .type       = DISPLAY_TYPE_GTK,
2340      .early_init = early_gtk_display_init,
2341      .init       = gtk_display_init,
2342  };
2343  
2344  static void register_gtk(void)
2345  {
2346      qemu_display_register(&qemu_display_gtk);
2347  }
2348  
2349  type_init(register_gtk);
2350