ui/gtk.c

   1 /*
   2  * GTK UI
   3  *
   4  * Copyright IBM, Corp. 2012
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <[email protected]>
   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 <[email protected]>
  27  * Copyright (C) 2009-2010 Daniel P. Berrange <[email protected]>
  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-misc.h"
  37 #include "qemu/cutils.h"
  38
  39 #include "ui/console.h"
  40 #include "ui/gtk.h"
  41
  42 #include <glib/gi18n.h>
  43 #include <locale.h>
  44 #if defined(CONFIG_VTE)
  45 #include <vte/vte.h>
  46 #endif
  47 #include <math.h>
  48
  49 #include "trace.h"
  50 #include "ui/input.h"
  51 #include "sysemu/runstate.h"
  52 #include "sysemu/sysemu.h"
  53 #include "keymaps.h"
  54 #include "chardev/char.h"
  55 #include "qom/object.h"
  56
  57 #define MAX_VCS 10
  58 #define VC_WINDOW_X_MIN  320
  59 #define VC_WINDOW_Y_MIN  240
  60 #define VC_TERM_X_MIN     80
  61 #define VC_TERM_Y_MIN     25
  62 #define VC_SCALE_MIN    0.25
  63 #define VC_SCALE_STEP   0.25
  64
  65 #ifdef GDK_WINDOWING_X11
  66 #include "x_keymap.h"
  67
  68 /* Gtk2 compat */
  69 #ifndef GDK_IS_X11_DISPLAY
  70 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
  71 #endif
  72 #endif
  73
  74
  75 #ifdef GDK_WINDOWING_WAYLAND
  76 /* Gtk2 compat */
  77 #ifndef GDK_IS_WAYLAND_DISPLAY
  78 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
  79 #endif
  80 #endif
  81
  82
  83 #ifdef GDK_WINDOWING_WIN32
  84 /* Gtk2 compat */
  85 #ifndef GDK_IS_WIN32_DISPLAY
  86 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
  87 #endif
  88 #endif
  89
  90
  91 #ifdef GDK_WINDOWING_BROADWAY
  92 /* Gtk2 compat */
  93 #ifndef GDK_IS_BROADWAY_DISPLAY
  94 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
  95 #endif
  96 #endif
  97
  98
  99 #ifdef GDK_WINDOWING_QUARTZ
 100 /* Gtk2 compat */
 101 #ifndef GDK_IS_QUARTZ_DISPLAY
 102 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
 103 #endif
 104 #endif
 105
 106
 107 #if !defined(CONFIG_VTE)
 108 # define VTE_CHECK_VERSION(a, b, c) 0
 109 #endif
 110
 111 /* Some older mingw versions lack this constant or have
 112  * it conditionally defined */
 113 #ifdef _WIN32
 114 # ifndef MAPVK_VK_TO_VSC
 115 #  define MAPVK_VK_TO_VSC 0
 116 # endif
 117 #endif
 118
 119
 120 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 121
 122 static const guint16 *keycode_map;
 123 static size_t keycode_maplen;
 124
 125 struct GtkDisplayState {
 126     GtkWidget *window;
 127
 128     GtkWidget *menu_bar;
 129
 130     GtkAccelGroup *accel_group;
 131
 132     GtkWidget *machine_menu_item;
 133     GtkWidget *machine_menu;
 134     GtkWidget *pause_item;
 135     GtkWidget *reset_item;
 136     GtkWidget *powerdown_item;
 137     GtkWidget *quit_item;
 138
 139     GtkWidget *view_menu_item;
 140     GtkWidget *view_menu;
 141     GtkWidget *full_screen_item;
 142     GtkWidget *copy_item;
 143     GtkWidget *zoom_in_item;
 144     GtkWidget *zoom_out_item;
 145     GtkWidget *zoom_fixed_item;
 146     GtkWidget *zoom_fit_item;
 147     GtkWidget *grab_item;
 148     GtkWidget *grab_on_hover_item;
 149
 150     int nb_vcs;
 151     VirtualConsole vc[MAX_VCS];
 152
 153     GtkWidget *show_tabs_item;
 154     GtkWidget *untabify_item;
 155     GtkWidget *show_menubar_item;
 156
 157     GtkWidget *vbox;
 158     GtkWidget *notebook;
 159     int button_mask;
 160     gboolean last_set;
 161     int last_x;
 162     int last_y;
 163     int grab_x_root;
 164     int grab_y_root;
 165     VirtualConsole *kbd_owner;
 166     VirtualConsole *ptr_owner;
 167
 168     gboolean full_screen;
 169
 170     GdkCursor *null_cursor;
 171     Notifier mouse_mode_notifier;
 172     gboolean free_scale;
 173
 174     bool external_pause_update;
 175
 176     bool ignore_keys;
 177
 178     DisplayOptions *opts;
 179 };
 180
 181 typedef struct VCChardev {
 182     Chardev parent;
 183     VirtualConsole *console;
 184     bool echo;
 185 } VCChardev;
 186
 187 #define TYPE_CHARDEV_VC "chardev-vc"
 188 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
 189
 190 bool gtk_use_gl_area;
 191
 192 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 193 static void gd_ungrab_pointer(GtkDisplayState *s);
 194 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 195 static void gd_ungrab_keyboard(GtkDisplayState *s);
 196
 197 /** Utility Functions **/
 198
 199 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 200 {
 201     VirtualConsole *vc;
 202     gint i;
 203
 204     for (i = 0; i < s->nb_vcs; i++) {
 205         vc = &s->vc[i];
 206         if (gtk_check_menu_item_get_active
 207             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 208             return vc;
 209         }
 210     }
 211     return NULL;
 212 }
 213
 214 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 215 {
 216     VirtualConsole *vc;
 217     gint i, p;
 218
 219     for (i = 0; i < s->nb_vcs; i++) {
 220         vc = &s->vc[i];
 221         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 222         if (p == page) {
 223             return vc;
 224         }
 225     }
 226     return NULL;
 227 }
 228
 229 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 230 {
 231     gint page;
 232
 233     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 234     return gd_vc_find_by_page(s, page);
 235 }
 236
 237 static bool gd_is_grab_active(GtkDisplayState *s)
 238 {
 239     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 240 }
 241
 242 static bool gd_grab_on_hover(GtkDisplayState *s)
 243 {
 244     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 245 }
 246
 247 static void gd_update_cursor(VirtualConsole *vc)
 248 {
 249     GtkDisplayState *s = vc->s;
 250     GdkWindow *window;
 251
 252     if (vc->type != GD_VC_GFX ||
 253         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 254         return;
 255     }
 256
 257     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 258         return;
 259     }
 260
 261     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 262     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 263         gdk_window_set_cursor(window, s->null_cursor);
 264     } else {
 265         gdk_window_set_cursor(window, NULL);
 266     }
 267 }
 268
 269 static void gd_update_caption(GtkDisplayState *s)
 270 {
 271     const char *status = "";
 272     gchar *prefix;
 273     gchar *title;
 274     const char *grab = "";
 275     bool is_paused = !runstate_is_running();
 276     int i;
 277
 278     if (qemu_name) {
 279         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 280     } else {
 281         prefix = g_strdup_printf("QEMU");
 282     }
 283
 284     if (s->ptr_owner != NULL &&
 285         s->ptr_owner->window == NULL) {
 286         grab = _(" - Press Ctrl+Alt+G to release grab");
 287     }
 288
 289     if (is_paused) {
 290         status = _(" [Paused]");
 291     }
 292     s->external_pause_update = true;
 293     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 294                                    is_paused);
 295     s->external_pause_update = false;
 296
 297     title = g_strdup_printf("%s%s%s", prefix, status, grab);
 298     gtk_window_set_title(GTK_WINDOW(s->window), title);
 299     g_free(title);
 300
 301     for (i = 0; i < s->nb_vcs; i++) {
 302         VirtualConsole *vc = &s->vc[i];
 303
 304         if (!vc->window) {
 305             continue;
 306         }
 307         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 308                                 vc == s->kbd_owner ? " +kbd" : "",
 309                                 vc == s->ptr_owner ? " +ptr" : "");
 310         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 311         g_free(title);
 312     }
 313
 314     g_free(prefix);
 315 }
 316
 317 static void gd_update_geometry_hints(VirtualConsole *vc)
 318 {
 319     GtkDisplayState *s = vc->s;
 320     GdkWindowHints mask = 0;
 321     GdkGeometry geo = {};
 322     GtkWidget *geo_widget = NULL;
 323     GtkWindow *geo_window;
 324
 325     if (vc->type == GD_VC_GFX) {
 326         if (!vc->gfx.ds) {
 327             return;
 328         }
 329         if (s->free_scale) {
 330             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 331             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 332             mask |= GDK_HINT_MIN_SIZE;
 333         } else {
 334             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 335             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 336             mask |= GDK_HINT_MIN_SIZE;
 337         }
 338         geo_widget = vc->gfx.drawing_area;
 339         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 340
 341 #if defined(CONFIG_VTE)
 342     } else if (vc->type == GD_VC_VTE) {
 343         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 344         GtkBorder padding = { 0 };
 345
 346 #if VTE_CHECK_VERSION(0, 37, 0)
 347         gtk_style_context_get_padding(
 348                 gtk_widget_get_style_context(vc->vte.terminal),
 349                 gtk_widget_get_state_flags(vc->vte.terminal),
 350                 &padding);
 351 #else
 352         {
 353             GtkBorder *ib = NULL;
 354             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 355             if (ib) {
 356                 padding = *ib;
 357                 gtk_border_free(ib);
 358             }
 359         }
 360 #endif
 361
 362         geo.width_inc  = vte_terminal_get_char_width(term);
 363         geo.height_inc = vte_terminal_get_char_height(term);
 364         mask |= GDK_HINT_RESIZE_INC;
 365         geo.base_width  = geo.width_inc;
 366         geo.base_height = geo.height_inc;
 367         mask |= GDK_HINT_BASE_SIZE;
 368         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 369         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 370         mask |= GDK_HINT_MIN_SIZE;
 371
 372         geo.base_width  += padding.left + padding.right;
 373         geo.base_height += padding.top + padding.bottom;
 374         geo.min_width   += padding.left + padding.right;
 375         geo.min_height  += padding.top + padding.bottom;
 376         geo_widget = vc->vte.terminal;
 377 #endif
 378     }
 379
 380     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 381     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 382 }
 383
 384 void gd_update_windowsize(VirtualConsole *vc)
 385 {
 386     GtkDisplayState *s = vc->s;
 387
 388     gd_update_geometry_hints(vc);
 389
 390     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 391         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 392                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 393     }
 394 }
 395
 396 static void gd_update_full_redraw(VirtualConsole *vc)
 397 {
 398     GtkWidget *area = vc->gfx.drawing_area;
 399     int ww, wh;
 400     ww = gdk_window_get_width(gtk_widget_get_window(area));
 401     wh = gdk_window_get_height(gtk_widget_get_window(area));
 402 #if defined(CONFIG_GTK_GL)
 403     if (vc->gfx.gls && gtk_use_gl_area) {
 404         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 405         return;
 406     }
 407 #endif
 408     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 409 }
 410
 411 static void gtk_release_modifiers(GtkDisplayState *s)
 412 {
 413     VirtualConsole *vc = gd_vc_find_current(s);
 414
 415     if (vc->type != GD_VC_GFX ||
 416         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 417         return;
 418     }
 419     qkbd_state_lift_all_keys(vc->gfx.kbd);
 420 }
 421
 422 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 423                                GtkWidget *widget)
 424 {
 425     g_object_ref(G_OBJECT(widget));
 426     gtk_container_remove(GTK_CONTAINER(from), widget);
 427     gtk_container_add(GTK_CONTAINER(to), widget);
 428     g_object_unref(G_OBJECT(widget));
 429 }
 430
 431 /** DisplayState Callbacks **/
 432
 433 static void gd_update(DisplayChangeListener *dcl,
 434                       int x, int y, int w, int h)
 435 {
 436     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 437     GdkWindow *win;
 438     int x1, x2, y1, y2;
 439     int mx, my;
 440     int fbw, fbh;
 441     int ww, wh;
 442
 443     trace_gd_update(vc->label, x, y, w, h);
 444
 445     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 446         return;
 447     }
 448
 449     if (vc->gfx.convert) {
 450         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 451                                NULL, vc->gfx.convert,
 452                                x, y, 0, 0, x, y, w, h);
 453     }
 454
 455     x1 = floor(x * vc->gfx.scale_x);
 456     y1 = floor(y * vc->gfx.scale_y);
 457
 458     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 459     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 460
 461     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 462     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 463
 464     win = gtk_widget_get_window(vc->gfx.drawing_area);
 465     if (!win) {
 466         return;
 467     }
 468     ww = gdk_window_get_width(win);
 469     wh = gdk_window_get_height(win);
 470
 471     mx = my = 0;
 472     if (ww > fbw) {
 473         mx = (ww - fbw) / 2;
 474     }
 475     if (wh > fbh) {
 476         my = (wh - fbh) / 2;
 477     }
 478
 479     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 480                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 481 }
 482
 483 static void gd_refresh(DisplayChangeListener *dcl)
 484 {
 485     graphic_hw_update(dcl->con);
 486 }
 487
 488 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
 489 {
 490 #if GTK_CHECK_VERSION(3, 20, 0)
 491     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
 492 #else
 493     return gdk_device_manager_get_client_pointer(
 494         gdk_display_get_device_manager(dpy));
 495 #endif
 496 }
 497
 498 static void gd_mouse_set(DisplayChangeListener *dcl,
 499                          int x, int y, int visible)
 500 {
 501     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 502     GdkDisplay *dpy;
 503     gint x_root, y_root;
 504
 505     if (qemu_input_is_absolute()) {
 506         return;
 507     }
 508
 509     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 510     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 511                                x, y, &x_root, &y_root);
 512     gdk_device_warp(gd_get_pointer(dpy),
 513                     gtk_widget_get_screen(vc->gfx.drawing_area),
 514                     x_root, y_root);
 515     vc->s->last_x = x;
 516     vc->s->last_y = y;
 517 }
 518
 519 static void gd_cursor_define(DisplayChangeListener *dcl,
 520                              QEMUCursor *c)
 521 {
 522     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 523     GdkPixbuf *pixbuf;
 524     GdkCursor *cursor;
 525
 526     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 527         return;
 528     }
 529
 530     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 531                                       GDK_COLORSPACE_RGB, true, 8,
 532                                       c->width, c->height, c->width * 4,
 533                                       NULL, NULL);
 534     cursor = gdk_cursor_new_from_pixbuf
 535         (gtk_widget_get_display(vc->gfx.drawing_area),
 536          pixbuf, c->hot_x, c->hot_y);
 537     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 538     g_object_unref(pixbuf);
 539     g_object_unref(cursor);
 540 }
 541
 542 static void gd_switch(DisplayChangeListener *dcl,
 543                       DisplaySurface *surface)
 544 {
 545     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 546     bool resized = true;
 547
 548     trace_gd_switch(vc->label,
 549                     surface ? surface_width(surface)  : 0,
 550                     surface ? surface_height(surface) : 0);
 551
 552     if (vc->gfx.surface) {
 553         cairo_surface_destroy(vc->gfx.surface);
 554         vc->gfx.surface = NULL;
 555     }
 556     if (vc->gfx.convert) {
 557         pixman_image_unref(vc->gfx.convert);
 558         vc->gfx.convert = NULL;
 559     }
 560
 561     if (vc->gfx.ds && surface &&
 562         surface_width(vc->gfx.ds) == surface_width(surface) &&
 563         surface_height(vc->gfx.ds) == surface_height(surface)) {
 564         resized = false;
 565     }
 566     vc->gfx.ds = surface;
 567
 568     if (!surface) {
 569         return;
 570     }
 571
 572     if (surface->format == PIXMAN_x8r8g8b8) {
 573         /*
 574          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 575          *
 576          * No need to convert, use surface directly.  Should be the
 577          * common case as this is qemu_default_pixelformat(32) too.
 578          */
 579         vc->gfx.surface = cairo_image_surface_create_for_data
 580             (surface_data(surface),
 581              CAIRO_FORMAT_RGB24,
 582              surface_width(surface),
 583              surface_height(surface),
 584              surface_stride(surface));
 585     } else {
 586         /* Must convert surface, use pixman to do it. */
 587         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 588                                                    surface_width(surface),
 589                                                    surface_height(surface),
 590                                                    NULL, 0);
 591         vc->gfx.surface = cairo_image_surface_create_for_data
 592             ((void *)pixman_image_get_data(vc->gfx.convert),
 593              CAIRO_FORMAT_RGB24,
 594              pixman_image_get_width(vc->gfx.convert),
 595              pixman_image_get_height(vc->gfx.convert),
 596              pixman_image_get_stride(vc->gfx.convert));
 597         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 598                                NULL, vc->gfx.convert,
 599                                0, 0, 0, 0, 0, 0,
 600                                pixman_image_get_width(vc->gfx.convert),
 601                                pixman_image_get_height(vc->gfx.convert));
 602     }
 603
 604     if (resized) {
 605         gd_update_windowsize(vc);
 606     } else {
 607         gd_update_full_redraw(vc);
 608     }
 609 }
 610
 611 static const DisplayChangeListenerOps dcl_ops = {
 612     .dpy_name             = "gtk",
 613     .dpy_gfx_update       = gd_update,
 614     .dpy_gfx_switch       = gd_switch,
 615     .dpy_gfx_check_format = qemu_pixman_check_format,
 616     .dpy_refresh          = gd_refresh,
 617     .dpy_mouse_set        = gd_mouse_set,
 618     .dpy_cursor_define    = gd_cursor_define,
 619 };
 620
 621
 622 #if defined(CONFIG_OPENGL)
 623
 624 /** DisplayState Callbacks (opengl version) **/
 625
 626 #if defined(CONFIG_GTK_GL)
 627
 628 static const DisplayChangeListenerOps dcl_gl_area_ops = {
 629     .dpy_name             = "gtk-egl",
 630     .dpy_gfx_update       = gd_gl_area_update,
 631     .dpy_gfx_switch       = gd_gl_area_switch,
 632     .dpy_gfx_check_format = console_gl_check_format,
 633     .dpy_refresh          = gd_gl_area_refresh,
 634     .dpy_mouse_set        = gd_mouse_set,
 635     .dpy_cursor_define    = gd_cursor_define,
 636
 637     .dpy_gl_ctx_create       = gd_gl_area_create_context,
 638     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 639     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 640     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
 641     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
 642     .dpy_gl_update           = gd_gl_area_scanout_flush,
 643 };
 644
 645 #endif /* CONFIG_GTK_GL */
 646
 647 static const DisplayChangeListenerOps dcl_egl_ops = {
 648     .dpy_name             = "gtk-egl",
 649     .dpy_gfx_update       = gd_egl_update,
 650     .dpy_gfx_switch       = gd_egl_switch,
 651     .dpy_gfx_check_format = console_gl_check_format,
 652     .dpy_refresh          = gd_egl_refresh,
 653     .dpy_mouse_set        = gd_mouse_set,
 654     .dpy_cursor_define    = gd_cursor_define,
 655
 656     .dpy_gl_ctx_create       = gd_egl_create_context,
 657     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 658     .dpy_gl_ctx_make_current = gd_egl_make_current,
 659     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
 660     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
 661     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
 662     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
 663     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
 664     .dpy_gl_cursor_position  = gd_egl_cursor_position,
 665     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
 666     .dpy_gl_update           = gd_egl_scanout_flush,
 667 };
 668
 669 #endif /* CONFIG_OPENGL */
 670
 671 /** QEMU Events **/
 672
 673 static void gd_change_runstate(void *opaque, int running, RunState state)
 674 {
 675     GtkDisplayState *s = opaque;
 676
 677     gd_update_caption(s);
 678 }
 679
 680 static void gd_mouse_mode_change(Notifier *notify, void *data)
 681 {
 682     GtkDisplayState *s;
 683     int i;
 684
 685     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 686     /* release the grab at switching to absolute mode */
 687     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 688         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 689                                        FALSE);
 690     }
 691     for (i = 0; i < s->nb_vcs; i++) {
 692         VirtualConsole *vc = &s->vc[i];
 693         gd_update_cursor(vc);
 694     }
 695 }
 696
 697 /** GTK Events **/
 698
 699 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 700                                 void *opaque)
 701 {
 702     GtkDisplayState *s = opaque;
 703     bool allow_close = true;
 704
 705     if (s->opts->has_window_close && !s->opts->window_close) {
 706         allow_close = false;
 707     }
 708
 709     if (allow_close) {
 710         qmp_quit(NULL);
 711     }
 712
 713     return TRUE;
 714 }
 715
 716 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 717 {
 718     QemuUIInfo info;
 719
 720     memset(&info, 0, sizeof(info));
 721     info.width = width;
 722     info.height = height;
 723     dpy_set_ui_info(vc->gfx.dcl.con, &info);
 724 }
 725
 726 #if defined(CONFIG_GTK_GL)
 727
 728 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 729                                 void *opaque)
 730 {
 731     VirtualConsole *vc = opaque;
 732
 733     if (vc->gfx.gls) {
 734         gd_gl_area_draw(vc);
 735     }
 736     return TRUE;
 737 }
 738
 739 static void gd_resize_event(GtkGLArea *area,
 740                             gint width, gint height, gpointer *opaque)
 741 {
 742     VirtualConsole *vc = (void *)opaque;
 743
 744     gd_set_ui_info(vc, width, height);
 745 }
 746
 747 #endif
 748
 749 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 750 {
 751     VirtualConsole *vc = opaque;
 752     GtkDisplayState *s = vc->s;
 753     int mx, my;
 754     int ww, wh;
 755     int fbw, fbh;
 756
 757 #if defined(CONFIG_OPENGL)
 758     if (vc->gfx.gls) {
 759         if (gtk_use_gl_area) {
 760             /* invoke render callback please */
 761             return FALSE;
 762         } else {
 763             gd_egl_draw(vc);
 764             return TRUE;
 765         }
 766     }
 767 #endif
 768
 769     if (!gtk_widget_get_realized(widget)) {
 770         return FALSE;
 771     }
 772     if (!vc->gfx.ds) {
 773         return FALSE;
 774     }
 775
 776     fbw = surface_width(vc->gfx.ds);
 777     fbh = surface_height(vc->gfx.ds);
 778
 779     ww = gdk_window_get_width(gtk_widget_get_window(widget));
 780     wh = gdk_window_get_height(gtk_widget_get_window(widget));
 781
 782     if (s->full_screen) {
 783         vc->gfx.scale_x = (double)ww / fbw;
 784         vc->gfx.scale_y = (double)wh / fbh;
 785     } else if (s->free_scale) {
 786         double sx, sy;
 787
 788         sx = (double)ww / fbw;
 789         sy = (double)wh / fbh;
 790
 791         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 792     }
 793
 794     fbw *= vc->gfx.scale_x;
 795     fbh *= vc->gfx.scale_y;
 796
 797     mx = my = 0;
 798     if (ww > fbw) {
 799         mx = (ww - fbw) / 2;
 800     }
 801     if (wh > fbh) {
 802         my = (wh - fbh) / 2;
 803     }
 804
 805     cairo_rectangle(cr, 0, 0, ww, wh);
 806
 807     /* Optionally cut out the inner area where the pixmap
 808        will be drawn. This avoids 'flashing' since we're
 809        not double-buffering. Note we're using the undocumented
 810        behaviour of drawing the rectangle from right to left
 811        to cut out the whole */
 812     cairo_rectangle(cr, mx + fbw, my,
 813                     -1 * fbw, fbh);
 814     cairo_fill(cr);
 815
 816     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 817     cairo_set_source_surface(cr, vc->gfx.surface,
 818                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 819     cairo_paint(cr);
 820
 821     return TRUE;
 822 }
 823
 824 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 825                                 void *opaque)
 826 {
 827     VirtualConsole *vc = opaque;
 828     GtkDisplayState *s = vc->s;
 829     int x, y;
 830     int mx, my;
 831     int fbh, fbw;
 832     int ww, wh;
 833
 834     if (!vc->gfx.ds) {
 835         return TRUE;
 836     }
 837
 838     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 839     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 840
 841     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
 842     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
 843
 844     mx = my = 0;
 845     if (ww > fbw) {
 846         mx = (ww - fbw) / 2;
 847     }
 848     if (wh > fbh) {
 849         my = (wh - fbh) / 2;
 850     }
 851
 852     x = (motion->x - mx) / vc->gfx.scale_x;
 853     y = (motion->y - my) / vc->gfx.scale_y;
 854
 855     if (qemu_input_is_absolute()) {
 856         if (x < 0 || y < 0 ||
 857             x >= surface_width(vc->gfx.ds) ||
 858             y >= surface_height(vc->gfx.ds)) {
 859             return TRUE;
 860         }
 861         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 862                              0, surface_width(vc->gfx.ds));
 863         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 864                              0, surface_height(vc->gfx.ds));
 865         qemu_input_event_sync();
 866     } else if (s->last_set && s->ptr_owner == vc) {
 867         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 868         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 869         qemu_input_event_sync();
 870     }
 871     s->last_x = x;
 872     s->last_y = y;
 873     s->last_set = TRUE;
 874
 875     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 876         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 877         int screen_width, screen_height;
 878
 879         int x = (int)motion->x_root;
 880         int y = (int)motion->y_root;
 881
 882 #if GTK_CHECK_VERSION(3, 22, 0)
 883         {
 884             GdkDisplay *dpy = gtk_widget_get_display(widget);
 885             GdkWindow *win = gtk_widget_get_window(widget);
 886             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 887             GdkRectangle geometry;
 888             gdk_monitor_get_geometry(monitor, &geometry);
 889             screen_width = geometry.width;
 890             screen_height = geometry.height;
 891         }
 892 #else
 893         {
 894             screen_width = gdk_screen_get_width(screen);
 895             screen_height = gdk_screen_get_height(screen);
 896         }
 897 #endif
 898
 899         /* In relative mode check to see if client pointer hit
 900          * one of the screen edges, and if so move it back by
 901          * 200 pixels. This is important because the pointer
 902          * in the server doesn't correspond 1-for-1, and so
 903          * may still be only half way across the screen. Without
 904          * this warp, the server pointer would thus appear to hit
 905          * an invisible wall */
 906         if (x == 0) {
 907             x += 200;
 908         }
 909         if (y == 0) {
 910             y += 200;
 911         }
 912         if (x == (screen_width - 1)) {
 913             x -= 200;
 914         }
 915         if (y == (screen_height - 1)) {
 916             y -= 200;
 917         }
 918
 919         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 920             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 921             gdk_device_warp(dev, screen, x, y);
 922             s->last_set = FALSE;
 923             return FALSE;
 924         }
 925     }
 926     return TRUE;
 927 }
 928
 929 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 930                                 void *opaque)
 931 {
 932     VirtualConsole *vc = opaque;
 933     GtkDisplayState *s = vc->s;
 934     InputButton btn;
 935
 936     /* implicitly grab the input at the first click in the relative mode */
 937     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 938         !qemu_input_is_absolute() && s->ptr_owner != vc) {
 939         if (!vc->window) {
 940             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 941                                            TRUE);
 942         } else {
 943             gd_grab_pointer(vc, "relative-mode-click");
 944         }
 945         return TRUE;
 946     }
 947
 948     if (button->button == 1) {
 949         btn = INPUT_BUTTON_LEFT;
 950     } else if (button->button == 2) {
 951         btn = INPUT_BUTTON_MIDDLE;
 952     } else if (button->button == 3) {
 953         btn = INPUT_BUTTON_RIGHT;
 954     } else if (button->button == 8) {
 955         btn = INPUT_BUTTON_SIDE;
 956     } else if (button->button == 9) {
 957         btn = INPUT_BUTTON_EXTRA;
 958     } else {
 959         return TRUE;
 960     }
 961
 962     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 963                          button->type == GDK_BUTTON_PRESS);
 964     qemu_input_event_sync();
 965     return TRUE;
 966 }
 967
 968 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 969                                 void *opaque)
 970 {
 971     VirtualConsole *vc = opaque;
 972     InputButton btn;
 973
 974     if (scroll->direction == GDK_SCROLL_UP) {
 975         btn = INPUT_BUTTON_WHEEL_UP;
 976     } else if (scroll->direction == GDK_SCROLL_DOWN) {
 977         btn = INPUT_BUTTON_WHEEL_DOWN;
 978     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
 979         gdouble delta_x, delta_y;
 980         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
 981                                          &delta_x, &delta_y)) {
 982             return TRUE;
 983         }
 984         if (delta_y == 0) {
 985             return TRUE;
 986         } else if (delta_y > 0) {
 987             btn = INPUT_BUTTON_WHEEL_DOWN;
 988         } else {
 989             btn = INPUT_BUTTON_WHEEL_UP;
 990         }
 991     } else {
 992         return TRUE;
 993     }
 994
 995     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
 996     qemu_input_event_sync();
 997     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
 998     qemu_input_event_sync();
 999     return TRUE;
1000 }
1001
1002
1003 static const guint16 *gd_get_keymap(size_t *maplen)
1004 {
1005     GdkDisplay *dpy = gdk_display_get_default();
1006
1007 #ifdef GDK_WINDOWING_X11
1008     if (GDK_IS_X11_DISPLAY(dpy)) {
1009         trace_gd_keymap_windowing("x11");
1010         return qemu_xkeymap_mapping_table(
1011             gdk_x11_display_get_xdisplay(dpy), maplen);
1012     }
1013 #endif
1014
1015 #ifdef GDK_WINDOWING_WAYLAND
1016     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1017         trace_gd_keymap_windowing("wayland");
1018         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1019         return qemu_input_map_xorgevdev_to_qcode;
1020     }
1021 #endif
1022
1023 #ifdef GDK_WINDOWING_WIN32
1024     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1025         trace_gd_keymap_windowing("win32");
1026         *maplen = qemu_input_map_win32_to_qcode_len;
1027         return qemu_input_map_win32_to_qcode;
1028     }
1029 #endif
1030
1031 #ifdef GDK_WINDOWING_QUARTZ
1032     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1033         trace_gd_keymap_windowing("quartz");
1034         *maplen = qemu_input_map_osx_to_qcode_len;
1035         return qemu_input_map_osx_to_qcode;
1036     }
1037 #endif
1038
1039 #ifdef GDK_WINDOWING_BROADWAY
1040     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1041         trace_gd_keymap_windowing("broadway");
1042         g_warning("experimental: using broadway, x11 virtual keysym\n"
1043                   "mapping - with very limited support. See also\n"
1044                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1045         *maplen = qemu_input_map_x11_to_qcode_len;
1046         return qemu_input_map_x11_to_qcode;
1047     }
1048 #endif
1049
1050     g_warning("Unsupported GDK Windowing platform.\n"
1051               "Disabling extended keycode tables.\n"
1052               "Please report to [email protected]\n"
1053               "including the following information:\n"
1054               "\n"
1055               "  - Operating system\n"
1056               "  - GDK Windowing system build\n");
1057     return NULL;
1058 }
1059
1060
1061 static int gd_map_keycode(int scancode)
1062 {
1063     if (!keycode_map) {
1064         return 0;
1065     }
1066     if (scancode > keycode_maplen) {
1067         return 0;
1068     }
1069
1070     return keycode_map[scancode];
1071 }
1072
1073 static gboolean gd_text_key_down(GtkWidget *widget,
1074                                  GdkEventKey *key, void *opaque)
1075 {
1076     VirtualConsole *vc = opaque;
1077     QemuConsole *con = vc->gfx.dcl.con;
1078
1079     if (key->keyval == GDK_KEY_Delete) {
1080         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1081     } else if (key->length) {
1082         kbd_put_string_console(con, key->string, key->length);
1083     } else {
1084         int qcode = gd_map_keycode(key->hardware_keycode);
1085         kbd_put_qcode_console(con, qcode, false);
1086     }
1087     return TRUE;
1088 }
1089
1090 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1091 {
1092     VirtualConsole *vc = opaque;
1093     GtkDisplayState *s = vc->s;
1094     int qcode;
1095
1096     if (s->ignore_keys) {
1097         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1098         return TRUE;
1099     }
1100
1101 #ifdef WIN32
1102     /* on windows, we ought to ignore the reserved key event? */
1103     if (key->hardware_keycode == 0xff)
1104         return false;
1105 #endif
1106
1107     if (key->keyval == GDK_KEY_Pause
1108 #ifdef G_OS_WIN32
1109         /* for some reason GDK does not fill keyval for VK_PAUSE
1110          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1111          */
1112         || key->hardware_keycode == VK_PAUSE
1113 #endif
1114         ) {
1115         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1116                              key->type == GDK_KEY_PRESS);
1117         return TRUE;
1118     }
1119
1120     qcode = gd_map_keycode(key->hardware_keycode);
1121
1122     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1123                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1124
1125     qkbd_state_key_event(vc->gfx.kbd, qcode,
1126                          key->type == GDK_KEY_PRESS);
1127
1128     return TRUE;
1129 }
1130
1131 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1132 {
1133     if (event->type == GDK_MOTION_NOTIFY) {
1134         return gd_motion_event(widget, &event->motion, opaque);
1135     }
1136     return FALSE;
1137 }
1138
1139 /** Window Menu Actions **/
1140
1141 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1142 {
1143     GtkDisplayState *s = opaque;
1144
1145     if (s->external_pause_update) {
1146         return;
1147     }
1148     if (runstate_is_running()) {
1149         qmp_stop(NULL);
1150     } else {
1151         qmp_cont(NULL);
1152     }
1153 }
1154
1155 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1156 {
1157     qmp_system_reset(NULL);
1158 }
1159
1160 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1161 {
1162     qmp_system_powerdown(NULL);
1163 }
1164
1165 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1166 {
1167     qmp_quit(NULL);
1168 }
1169
1170 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1171 {
1172     GtkDisplayState *s = opaque;
1173     VirtualConsole *vc = gd_vc_find_by_menu(s);
1174     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1175     gint page;
1176
1177     gtk_release_modifiers(s);
1178     if (vc) {
1179         page = gtk_notebook_page_num(nb, vc->tab_item);
1180         gtk_notebook_set_current_page(nb, page);
1181         gtk_widget_grab_focus(vc->focus);
1182     }
1183     s->ignore_keys = false;
1184 }
1185
1186 static void gd_accel_switch_vc(void *opaque)
1187 {
1188     VirtualConsole *vc = opaque;
1189
1190     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1191 }
1192
1193 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1194 {
1195     GtkDisplayState *s = opaque;
1196     VirtualConsole *vc = gd_vc_find_current(s);
1197
1198     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1199         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1200     } else {
1201         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1202     }
1203     gd_update_windowsize(vc);
1204 }
1205
1206 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1207                                     void *opaque)
1208 {
1209     VirtualConsole *vc = opaque;
1210     GtkDisplayState *s = vc->s;
1211
1212     gtk_widget_set_sensitive(vc->menu_item, true);
1213     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1214     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1215                                     vc->tab_item, vc->label);
1216     gtk_widget_destroy(vc->window);
1217     vc->window = NULL;
1218     return TRUE;
1219 }
1220
1221 static gboolean gd_win_grab(void *opaque)
1222 {
1223     VirtualConsole *vc = opaque;
1224
1225     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1226     if (vc->s->ptr_owner) {
1227         gd_ungrab_pointer(vc->s);
1228     } else {
1229         gd_grab_pointer(vc, "user-request-detached-tab");
1230     }
1231     return TRUE;
1232 }
1233
1234 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1235 {
1236     GtkDisplayState *s = opaque;
1237     VirtualConsole *vc = gd_vc_find_current(s);
1238
1239     if (vc->type == GD_VC_GFX &&
1240         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1241         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1242                                        FALSE);
1243     }
1244     if (!vc->window) {
1245         gtk_widget_set_sensitive(vc->menu_item, false);
1246         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1247         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1248
1249         g_signal_connect(vc->window, "delete-event",
1250                          G_CALLBACK(gd_tab_window_close), vc);
1251         gtk_widget_show_all(vc->window);
1252
1253         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1254             GtkAccelGroup *ag = gtk_accel_group_new();
1255             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1256
1257             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1258                                                vc, NULL);
1259             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1260         }
1261
1262         gd_update_geometry_hints(vc);
1263         gd_update_caption(s);
1264     }
1265 }
1266
1267 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1268 {
1269     GtkDisplayState *s = opaque;
1270     VirtualConsole *vc = gd_vc_find_current(s);
1271
1272     if (s->full_screen) {
1273         return;
1274     }
1275
1276     if (gtk_check_menu_item_get_active(
1277                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1278         gtk_widget_show(s->menu_bar);
1279     } else {
1280         gtk_widget_hide(s->menu_bar);
1281     }
1282     gd_update_windowsize(vc);
1283 }
1284
1285 static void gd_accel_show_menubar(void *opaque)
1286 {
1287     GtkDisplayState *s = opaque;
1288     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1289 }
1290
1291 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1292 {
1293     GtkDisplayState *s = opaque;
1294     VirtualConsole *vc = gd_vc_find_current(s);
1295
1296     if (!s->full_screen) {
1297         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1298         gtk_widget_hide(s->menu_bar);
1299         if (vc->type == GD_VC_GFX) {
1300             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1301         }
1302         gtk_window_fullscreen(GTK_WINDOW(s->window));
1303         s->full_screen = TRUE;
1304     } else {
1305         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1306         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1307         if (gtk_check_menu_item_get_active(
1308                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1309             gtk_widget_show(s->menu_bar);
1310         }
1311         s->full_screen = FALSE;
1312         if (vc->type == GD_VC_GFX) {
1313             vc->gfx.scale_x = 1.0;
1314             vc->gfx.scale_y = 1.0;
1315             gd_update_windowsize(vc);
1316         }
1317     }
1318
1319     gd_update_cursor(vc);
1320 }
1321
1322 static void gd_accel_full_screen(void *opaque)
1323 {
1324     GtkDisplayState *s = opaque;
1325     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1326 }
1327
1328 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1329 {
1330     GtkDisplayState *s = opaque;
1331     VirtualConsole *vc = gd_vc_find_current(s);
1332
1333     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1334                                    FALSE);
1335
1336     vc->gfx.scale_x += VC_SCALE_STEP;
1337     vc->gfx.scale_y += VC_SCALE_STEP;
1338
1339     gd_update_windowsize(vc);
1340 }
1341
1342 static void gd_accel_zoom_in(void *opaque)
1343 {
1344     GtkDisplayState *s = opaque;
1345     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1346 }
1347
1348 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1349 {
1350     GtkDisplayState *s = opaque;
1351     VirtualConsole *vc = gd_vc_find_current(s);
1352
1353     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1354                                    FALSE);
1355
1356     vc->gfx.scale_x -= VC_SCALE_STEP;
1357     vc->gfx.scale_y -= VC_SCALE_STEP;
1358
1359     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1360     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1361
1362     gd_update_windowsize(vc);
1363 }
1364
1365 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1366 {
1367     GtkDisplayState *s = opaque;
1368     VirtualConsole *vc = gd_vc_find_current(s);
1369
1370     vc->gfx.scale_x = 1.0;
1371     vc->gfx.scale_y = 1.0;
1372
1373     gd_update_windowsize(vc);
1374 }
1375
1376 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1377 {
1378     GtkDisplayState *s = opaque;
1379     VirtualConsole *vc = gd_vc_find_current(s);
1380
1381     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1382         s->free_scale = TRUE;
1383     } else {
1384         s->free_scale = FALSE;
1385         vc->gfx.scale_x = 1.0;
1386         vc->gfx.scale_y = 1.0;
1387     }
1388
1389     gd_update_windowsize(vc);
1390     gd_update_full_redraw(vc);
1391 }
1392
1393 #if GTK_CHECK_VERSION(3, 20, 0)
1394 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1395 {
1396     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1397     GdkSeat *seat = gdk_display_get_default_seat(display);
1398     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1399     GdkSeatCapabilities caps = 0;
1400     GdkCursor *cursor = NULL;
1401
1402     if (kbd) {
1403         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1404     }
1405     if (ptr) {
1406         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1407         cursor = vc->s->null_cursor;
1408     }
1409
1410     if (caps) {
1411         gdk_seat_grab(seat, window, caps, false, cursor,
1412                       NULL, NULL, NULL);
1413     } else {
1414         gdk_seat_ungrab(seat);
1415     }
1416 }
1417 #else
1418 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1419                             GdkInputSource source, GdkEventMask mask,
1420                             GdkCursor *cursor)
1421 {
1422     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1423     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1424     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1425     GList *tmp = devs;
1426
1427     for (tmp = devs; tmp; tmp = tmp->next) {
1428         GdkDevice *dev = tmp->data;
1429         if (gdk_device_get_source(dev) != source) {
1430             continue;
1431         }
1432         if (grab) {
1433             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1434             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1435                             mask, cursor, GDK_CURRENT_TIME);
1436         } else {
1437             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1438         }
1439     }
1440     g_list_free(devs);
1441 }
1442 #endif
1443
1444 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1445 {
1446     if (vc->s->kbd_owner) {
1447         if (vc->s->kbd_owner == vc) {
1448             return;
1449         } else {
1450             gd_ungrab_keyboard(vc->s);
1451         }
1452     }
1453
1454 #if GTK_CHECK_VERSION(3, 20, 0)
1455     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1456 #else
1457     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1458                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1459                    NULL);
1460 #endif
1461     vc->s->kbd_owner = vc;
1462     gd_update_caption(vc->s);
1463     trace_gd_grab(vc->label, "kbd", reason);
1464 }
1465
1466 static void gd_ungrab_keyboard(GtkDisplayState *s)
1467 {
1468     VirtualConsole *vc = s->kbd_owner;
1469
1470     if (vc == NULL) {
1471         return;
1472     }
1473     s->kbd_owner = NULL;
1474
1475 #if GTK_CHECK_VERSION(3, 20, 0)
1476     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1477 #else
1478     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1479 #endif
1480     gd_update_caption(s);
1481     trace_gd_ungrab(vc->label, "kbd");
1482 }
1483
1484 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1485 {
1486     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1487
1488     if (vc->s->ptr_owner) {
1489         if (vc->s->ptr_owner == vc) {
1490             return;
1491         } else {
1492             gd_ungrab_pointer(vc->s);
1493         }
1494     }
1495
1496 #if GTK_CHECK_VERSION(3, 20, 0)
1497     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1498     gdk_device_get_position(gd_get_pointer(display),
1499                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1500 #else
1501     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1502                     GDK_POINTER_MOTION_MASK |
1503                     GDK_BUTTON_PRESS_MASK |
1504                     GDK_BUTTON_RELEASE_MASK |
1505                     GDK_BUTTON_MOTION_MASK |
1506                     GDK_SCROLL_MASK,
1507                     vc->s->null_cursor);
1508     gdk_device_get_position(gd_get_pointer(display),
1509                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1510 #endif
1511     vc->s->ptr_owner = vc;
1512     gd_update_caption(vc->s);
1513     trace_gd_grab(vc->label, "ptr", reason);
1514 }
1515
1516 static void gd_ungrab_pointer(GtkDisplayState *s)
1517 {
1518     VirtualConsole *vc = s->ptr_owner;
1519     GdkDisplay *display;
1520
1521     if (vc == NULL) {
1522         return;
1523     }
1524     s->ptr_owner = NULL;
1525
1526     display = gtk_widget_get_display(vc->gfx.drawing_area);
1527 #if GTK_CHECK_VERSION(3, 20, 0)
1528     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1529     gdk_device_warp(gd_get_pointer(display),
1530                     gtk_widget_get_screen(vc->gfx.drawing_area),
1531                     vc->s->grab_x_root, vc->s->grab_y_root);
1532 #else
1533     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1534     gdk_device_warp(gd_get_pointer(display),
1535                     gtk_widget_get_screen(vc->gfx.drawing_area),
1536                     vc->s->grab_x_root, vc->s->grab_y_root);
1537 #endif
1538     gd_update_caption(s);
1539     trace_gd_ungrab(vc->label, "ptr");
1540 }
1541
1542 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1543 {
1544     GtkDisplayState *s = opaque;
1545     VirtualConsole *vc = gd_vc_find_current(s);
1546
1547     if (gd_is_grab_active(s)) {
1548         gd_grab_keyboard(vc, "user-request-main-window");
1549         gd_grab_pointer(vc, "user-request-main-window");
1550     } else {
1551         gd_ungrab_keyboard(s);
1552         gd_ungrab_pointer(s);
1553     }
1554
1555     gd_update_cursor(vc);
1556 }
1557
1558 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1559                            gpointer data)
1560 {
1561     GtkDisplayState *s = data;
1562     VirtualConsole *vc;
1563     gboolean on_vga;
1564
1565     if (!gtk_widget_get_realized(s->notebook)) {
1566         return;
1567     }
1568
1569     vc = gd_vc_find_by_page(s, arg2);
1570     if (!vc) {
1571         return;
1572     }
1573     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1574                                    TRUE);
1575     on_vga = (vc->type == GD_VC_GFX &&
1576               qemu_console_is_graphic(vc->gfx.dcl.con));
1577     if (!on_vga) {
1578         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1579                                        FALSE);
1580     } else if (s->full_screen) {
1581         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1582                                        TRUE);
1583     }
1584     gtk_widget_set_sensitive(s->grab_item, on_vga);
1585 #ifdef CONFIG_VTE
1586     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1587 #endif
1588
1589     gd_update_windowsize(vc);
1590     gd_update_cursor(vc);
1591 }
1592
1593 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1594                                gpointer opaque)
1595 {
1596     VirtualConsole *vc = opaque;
1597     GtkDisplayState *s = vc->s;
1598
1599     if (gd_grab_on_hover(s)) {
1600         gd_grab_keyboard(vc, "grab-on-hover");
1601     }
1602     return TRUE;
1603 }
1604
1605 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1606                                gpointer opaque)
1607 {
1608     VirtualConsole *vc = opaque;
1609     GtkDisplayState *s = vc->s;
1610
1611     if (gd_grab_on_hover(s)) {
1612         gd_ungrab_keyboard(s);
1613     }
1614     return TRUE;
1615 }
1616
1617 static gboolean gd_focus_out_event(GtkWidget *widget,
1618                                    GdkEventCrossing *crossing, gpointer opaque)
1619 {
1620     VirtualConsole *vc = opaque;
1621     GtkDisplayState *s = vc->s;
1622
1623     gtk_release_modifiers(s);
1624     return TRUE;
1625 }
1626
1627 static gboolean gd_configure(GtkWidget *widget,
1628                              GdkEventConfigure *cfg, gpointer opaque)
1629 {
1630     VirtualConsole *vc = opaque;
1631
1632     gd_set_ui_info(vc, cfg->width, cfg->height);
1633     return FALSE;
1634 }
1635
1636 /** Virtual Console Callbacks **/
1637
1638 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1639                                int idx, GSList *group, GtkWidget *view_menu)
1640 {
1641     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1642     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1643             HOTKEY_MODIFIERS, 0,
1644             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1645     gtk_accel_label_set_accel(
1646             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1647             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1648
1649     g_signal_connect(vc->menu_item, "activate",
1650                      G_CALLBACK(gd_menu_switch_vc), s);
1651     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1652
1653     return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1654 }
1655
1656 #if defined(CONFIG_VTE)
1657 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1658 {
1659     GtkDisplayState *s = opaque;
1660     VirtualConsole *vc = gd_vc_find_current(s);
1661
1662 #if VTE_CHECK_VERSION(0, 50, 0)
1663     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1664                                        VTE_FORMAT_TEXT);
1665 #else
1666     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1667 #endif
1668 }
1669
1670 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1671 {
1672     VirtualConsole *vc = opaque;
1673
1674     if (gtk_adjustment_get_upper(adjustment) >
1675         gtk_adjustment_get_page_size(adjustment)) {
1676         gtk_widget_show(vc->vte.scrollbar);
1677     } else {
1678         gtk_widget_hide(vc->vte.scrollbar);
1679     }
1680 }
1681
1682 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1683 {
1684     VCChardev *vcd = VC_CHARDEV(chr);
1685     VirtualConsole *vc = vcd->console;
1686
1687     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1688     return len;
1689 }
1690
1691 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1692 {
1693     VCChardev *vcd = VC_CHARDEV(chr);
1694     VirtualConsole *vc = vcd->console;
1695
1696     if (vc) {
1697         vc->vte.echo = echo;
1698     } else {
1699         vcd->echo = echo;
1700     }
1701 }
1702
1703 static int nb_vcs;
1704 static Chardev *vcs[MAX_VCS];
1705 static void gd_vc_open(Chardev *chr,
1706                        ChardevBackend *backend,
1707                        bool *be_opened,
1708                        Error **errp)
1709 {
1710     if (nb_vcs == MAX_VCS) {
1711         error_setg(errp, "Maximum number of consoles reached");
1712         return;
1713     }
1714
1715     vcs[nb_vcs++] = chr;
1716
1717     /* console/chardev init sometimes completes elsewhere in a 2nd
1718      * stage, so defer OPENED events until they are fully initialized
1719      */
1720     *be_opened = false;
1721 }
1722
1723 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1724 {
1725     ChardevClass *cc = CHARDEV_CLASS(oc);
1726
1727     cc->parse = qemu_chr_parse_vc;
1728     cc->open = gd_vc_open;
1729     cc->chr_write = gd_vc_chr_write;
1730     cc->chr_set_echo = gd_vc_chr_set_echo;
1731 }
1732
1733 static const TypeInfo char_gd_vc_type_info = {
1734     .name = TYPE_CHARDEV_VC,
1735     .parent = TYPE_CHARDEV,
1736     .instance_size = sizeof(VCChardev),
1737     .class_init = char_gd_vc_class_init,
1738 };
1739
1740 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1741                          gpointer user_data)
1742 {
1743     VirtualConsole *vc = user_data;
1744
1745     if (vc->vte.echo) {
1746         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1747         int i;
1748         for (i = 0; i < size; i++) {
1749             uint8_t c = text[i];
1750             if (c >= 128 || isprint(c)) {
1751                 /* 8-bit characters are considered printable.  */
1752                 vte_terminal_feed(term, &text[i], 1);
1753             } else if (c == '\r' || c == '\n') {
1754                 vte_terminal_feed(term, "\r\n", 2);
1755             } else {
1756                 char ctrl[2] = { '^', 0};
1757                 ctrl[1] = text[i] ^ 64;
1758                 vte_terminal_feed(term, ctrl, 2);
1759             }
1760         }
1761     }
1762
1763     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1764     return TRUE;
1765 }
1766
1767 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1768                               Chardev *chr, int idx,
1769                               GSList *group, GtkWidget *view_menu)
1770 {
1771     char buffer[32];
1772     GtkWidget *box;
1773     GtkWidget *scrollbar;
1774     GtkAdjustment *vadjustment;
1775     VCChardev *vcd = VC_CHARDEV(chr);
1776
1777     vc->s = s;
1778     vc->vte.echo = vcd->echo;
1779     vc->vte.chr = chr;
1780     vcd->console = vc;
1781
1782     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1783     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1784                                 ? vc->vte.chr->label : buffer);
1785     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1786
1787     vc->vte.terminal = vte_terminal_new();
1788     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1789
1790     /* The documentation says that the default is UTF-8, but actually it is
1791      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1792      * VTE 0.54 (only UTF-8 is supported now). */
1793 #if !VTE_CHECK_VERSION(0, 54, 0)
1794 #if VTE_CHECK_VERSION(0, 38, 0)
1795     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1796 #else
1797     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1798 #endif
1799 #endif
1800
1801     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1802     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1803                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1804
1805 #if VTE_CHECK_VERSION(0, 28, 0)
1806     vadjustment = gtk_scrollable_get_vadjustment
1807         (GTK_SCROLLABLE(vc->vte.terminal));
1808 #else
1809     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1810 #endif
1811
1812     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1813     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1814
1815     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1816     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1817
1818     vc->vte.box = box;
1819     vc->vte.scrollbar = scrollbar;
1820
1821     g_signal_connect(vadjustment, "changed",
1822                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1823
1824     vc->type = GD_VC_VTE;
1825     vc->tab_item = box;
1826     vc->focus = vc->vte.terminal;
1827     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1828                              gtk_label_new(vc->label));
1829
1830     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1831
1832     return group;
1833 }
1834
1835 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1836                         GtkWidget *view_menu)
1837 {
1838     int i;
1839
1840     for (i = 0; i < nb_vcs; i++) {
1841         VirtualConsole *vc = &s->vc[s->nb_vcs];
1842         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1843         s->nb_vcs++;
1844     }
1845 }
1846 #endif /* CONFIG_VTE */
1847
1848 /** Window Creation **/
1849
1850 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1851 {
1852     g_signal_connect(vc->gfx.drawing_area, "draw",
1853                      G_CALLBACK(gd_draw_event), vc);
1854 #if defined(CONFIG_GTK_GL)
1855     if (gtk_use_gl_area) {
1856         /* wire up GtkGlArea events */
1857         g_signal_connect(vc->gfx.drawing_area, "render",
1858                          G_CALLBACK(gd_render_event), vc);
1859         g_signal_connect(vc->gfx.drawing_area, "resize",
1860                          G_CALLBACK(gd_resize_event), vc);
1861     }
1862 #endif
1863     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1864         g_signal_connect(vc->gfx.drawing_area, "event",
1865                          G_CALLBACK(gd_event), vc);
1866         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1867                          G_CALLBACK(gd_button_event), vc);
1868         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1869                          G_CALLBACK(gd_button_event), vc);
1870         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1871                          G_CALLBACK(gd_scroll_event), vc);
1872         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1873                          G_CALLBACK(gd_key_event), vc);
1874         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1875                          G_CALLBACK(gd_key_event), vc);
1876
1877         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1878                          G_CALLBACK(gd_enter_event), vc);
1879         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1880                          G_CALLBACK(gd_leave_event), vc);
1881         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1882                          G_CALLBACK(gd_focus_out_event), vc);
1883         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1884                          G_CALLBACK(gd_configure), vc);
1885     } else {
1886         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1887                          G_CALLBACK(gd_text_key_down), vc);
1888     }
1889 }
1890
1891 static void gd_connect_signals(GtkDisplayState *s)
1892 {
1893     g_signal_connect(s->show_tabs_item, "activate",
1894                      G_CALLBACK(gd_menu_show_tabs), s);
1895     g_signal_connect(s->untabify_item, "activate",
1896                      G_CALLBACK(gd_menu_untabify), s);
1897     g_signal_connect(s->show_menubar_item, "activate",
1898                      G_CALLBACK(gd_menu_show_menubar), s);
1899
1900     g_signal_connect(s->window, "delete-event",
1901                      G_CALLBACK(gd_window_close), s);
1902
1903     g_signal_connect(s->pause_item, "activate",
1904                      G_CALLBACK(gd_menu_pause), s);
1905     g_signal_connect(s->reset_item, "activate",
1906                      G_CALLBACK(gd_menu_reset), s);
1907     g_signal_connect(s->powerdown_item, "activate",
1908                      G_CALLBACK(gd_menu_powerdown), s);
1909     g_signal_connect(s->quit_item, "activate",
1910                      G_CALLBACK(gd_menu_quit), s);
1911 #if defined(CONFIG_VTE)
1912     g_signal_connect(s->copy_item, "activate",
1913                      G_CALLBACK(gd_menu_copy), s);
1914 #endif
1915     g_signal_connect(s->full_screen_item, "activate",
1916                      G_CALLBACK(gd_menu_full_screen), s);
1917     g_signal_connect(s->zoom_in_item, "activate",
1918                      G_CALLBACK(gd_menu_zoom_in), s);
1919     g_signal_connect(s->zoom_out_item, "activate",
1920                      G_CALLBACK(gd_menu_zoom_out), s);
1921     g_signal_connect(s->zoom_fixed_item, "activate",
1922                      G_CALLBACK(gd_menu_zoom_fixed), s);
1923     g_signal_connect(s->zoom_fit_item, "activate",
1924                      G_CALLBACK(gd_menu_zoom_fit), s);
1925     g_signal_connect(s->grab_item, "activate",
1926                      G_CALLBACK(gd_menu_grab_input), s);
1927     g_signal_connect(s->notebook, "switch-page",
1928                      G_CALLBACK(gd_change_page), s);
1929 }
1930
1931 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1932 {
1933     GtkWidget *machine_menu;
1934     GtkWidget *separator;
1935
1936     machine_menu = gtk_menu_new();
1937     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1938
1939     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1940     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1941
1942     separator = gtk_separator_menu_item_new();
1943     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1944
1945     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1946     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1947
1948     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1949     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1950
1951     separator = gtk_separator_menu_item_new();
1952     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1953
1954     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1955     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1956                                  "<QEMU>/Machine/Quit");
1957     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1958                             GDK_KEY_q, HOTKEY_MODIFIERS);
1959     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1960
1961     return machine_menu;
1962 }
1963
1964 /*
1965  * If available, return the refresh rate of the display in milli-Hertz,
1966  * else return 0.
1967  */
1968 static int gd_refresh_rate_millihz(GtkWidget *window)
1969 {
1970 #ifdef GDK_VERSION_3_22
1971     GdkWindow *win = gtk_widget_get_window(window);
1972
1973     if (win) {
1974         GdkDisplay *dpy = gtk_widget_get_display(window);
1975         GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
1976
1977         return gdk_monitor_get_refresh_rate(monitor);
1978     }
1979 #endif
1980     return 0;
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     int refresh_rate_millihz;
1989
1990     vc->label = qemu_console_get_label(con);
1991     vc->s = s;
1992     vc->gfx.scale_x = 1.0;
1993     vc->gfx.scale_y = 1.0;
1994
1995 #if defined(CONFIG_OPENGL)
1996     if (display_opengl) {
1997 #if defined(CONFIG_GTK_GL)
1998         if (gtk_use_gl_area) {
1999             vc->gfx.drawing_area = gtk_gl_area_new();
2000             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2001         } else
2002 #endif /* CONFIG_GTK_GL */
2003         {
2004             vc->gfx.drawing_area = gtk_drawing_area_new();
2005             /*
2006              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2007              * It is required for opengl rendering on X11 though.  A
2008              * proper replacement (native opengl support) is only
2009              * available in 3.16+.  Silence the warning if possible.
2010              */
2011 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2012 #pragma GCC diagnostic push
2013 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2014 #endif
2015             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2016 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2017 #pragma GCC diagnostic pop
2018 #endif
2019             vc->gfx.dcl.ops = &dcl_egl_ops;
2020         }
2021     } else
2022 #endif
2023     {
2024         vc->gfx.drawing_area = gtk_drawing_area_new();
2025         vc->gfx.dcl.ops = &dcl_ops;
2026     }
2027
2028
2029     gtk_widget_add_events(vc->gfx.drawing_area,
2030                           GDK_POINTER_MOTION_MASK |
2031                           GDK_BUTTON_PRESS_MASK |
2032                           GDK_BUTTON_RELEASE_MASK |
2033                           GDK_BUTTON_MOTION_MASK |
2034                           GDK_ENTER_NOTIFY_MASK |
2035                           GDK_LEAVE_NOTIFY_MASK |
2036                           GDK_SCROLL_MASK |
2037                           GDK_SMOOTH_SCROLL_MASK |
2038                           GDK_KEY_PRESS_MASK);
2039     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2040
2041     vc->type = GD_VC_GFX;
2042     vc->tab_item = vc->gfx.drawing_area;
2043     vc->focus = vc->gfx.drawing_area;
2044     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2045                              vc->tab_item, gtk_label_new(vc->label));
2046
2047     vc->gfx.kbd = qkbd_state_init(con);
2048     vc->gfx.dcl.con = con;
2049
2050     refresh_rate_millihz = gd_refresh_rate_millihz(vc->window ?
2051                                                    vc->window : s->window);
2052     if (refresh_rate_millihz) {
2053         vc->gfx.dcl.update_interval = MILLISEC_PER_SEC / refresh_rate_millihz;
2054     }
2055
2056     register_displaychangelistener(&vc->gfx.dcl);
2057
2058     gd_connect_vc_gfx_signals(vc);
2059     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2060
2061     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2062         zoom_to_fit = true;
2063     }
2064     if (s->opts->u.gtk.has_zoom_to_fit) {
2065         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2066     }
2067     if (zoom_to_fit) {
2068         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2069         s->free_scale = true;
2070     }
2071
2072     return group;
2073 }
2074
2075 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2076 {
2077     GSList *group = NULL;
2078     GtkWidget *view_menu;
2079     GtkWidget *separator;
2080     QemuConsole *con;
2081     int vc;
2082
2083     view_menu = gtk_menu_new();
2084     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2085
2086     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2087
2088 #if defined(CONFIG_VTE)
2089     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2090     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2091 #endif
2092
2093     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2094             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2095     gtk_accel_label_set_accel(
2096             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2097             GDK_KEY_f, HOTKEY_MODIFIERS);
2098     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2099
2100     separator = gtk_separator_menu_item_new();
2101     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2102
2103     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2104     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2105                                  "<QEMU>/View/Zoom In");
2106     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2107                             HOTKEY_MODIFIERS);
2108     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2109             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2110     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2111
2112     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2113     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2114                                  "<QEMU>/View/Zoom Out");
2115     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2116                             HOTKEY_MODIFIERS);
2117     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2118
2119     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2120     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2121                                  "<QEMU>/View/Zoom Fixed");
2122     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2123                             HOTKEY_MODIFIERS);
2124     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2125
2126     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2127     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2128
2129     separator = gtk_separator_menu_item_new();
2130     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2131
2132     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2133     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2134
2135     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2136     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2137                                  "<QEMU>/View/Grab Input");
2138     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2139                             HOTKEY_MODIFIERS);
2140     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2141
2142     separator = gtk_separator_menu_item_new();
2143     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2144
2145     /* gfx */
2146     for (vc = 0;; vc++) {
2147         con = qemu_console_lookup_by_index(vc);
2148         if (!con) {
2149             break;
2150         }
2151         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2152                                vc, group, view_menu);
2153         s->nb_vcs++;
2154     }
2155
2156 #if defined(CONFIG_VTE)
2157     /* vte */
2158     gd_vcs_init(s, group, view_menu);
2159 #endif
2160
2161     separator = gtk_separator_menu_item_new();
2162     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2163
2164     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2165     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2166
2167     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2168     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2169
2170     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2171             _("Show Menubar"));
2172     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2173                                    TRUE);
2174     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2175             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2176     gtk_accel_label_set_accel(
2177             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2178             GDK_KEY_m, HOTKEY_MODIFIERS);
2179     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2180
2181     return view_menu;
2182 }
2183
2184 static void gd_create_menus(GtkDisplayState *s)
2185 {
2186     GtkSettings *settings;
2187
2188     s->accel_group = gtk_accel_group_new();
2189     s->machine_menu = gd_create_menu_machine(s);
2190     s->view_menu = gd_create_menu_view(s);
2191
2192     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2193     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2194                               s->machine_menu);
2195     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2196
2197     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2198     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2199     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2200
2201     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2202     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2203
2204     /* Disable the default "F10" menu shortcut. */
2205     settings = gtk_widget_get_settings(s->window);
2206     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2207 }
2208
2209
2210 static gboolean gtkinit;
2211
2212 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2213 {
2214     VirtualConsole *vc;
2215
2216     GtkDisplayState *s = g_malloc0(sizeof(*s));
2217     GdkDisplay *window_display;
2218     GtkIconTheme *theme;
2219
2220     if (!gtkinit) {
2221         fprintf(stderr, "gtk initialization failed\n");
2222         exit(1);
2223     }
2224     assert(opts->type == DISPLAY_TYPE_GTK);
2225     s->opts = opts;
2226
2227     theme = gtk_icon_theme_get_default();
2228     gtk_icon_theme_prepend_search_path(theme, CONFIG_QEMU_ICONDIR);
2229     g_set_prgname("qemu");
2230
2231     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2232     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2233     s->notebook = gtk_notebook_new();
2234     s->menu_bar = gtk_menu_bar_new();
2235
2236     s->free_scale = FALSE;
2237
2238     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2239      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2240      * printable, but without changing any of the character classes to make
2241      * sure that we don't accidentally break implicit assumptions.  */
2242     setlocale(LC_MESSAGES, "");
2243     setlocale(LC_CTYPE, "C.UTF-8");
2244     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2245     bind_textdomain_codeset("qemu", "UTF-8");
2246     textdomain("qemu");
2247
2248     window_display = gtk_widget_get_display(s->window);
2249     if (s->opts->has_show_cursor && s->opts->show_cursor) {
2250         s->null_cursor = NULL; /* default pointer */
2251     } else {
2252         s->null_cursor = gdk_cursor_new_for_display(window_display,
2253                                                     GDK_BLANK_CURSOR);
2254     }
2255
2256     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2257     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2258     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2259
2260     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2261
2262     gd_create_menus(s);
2263
2264     gd_connect_signals(s);
2265
2266     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2267     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2268
2269     gd_update_caption(s);
2270
2271     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2272     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2273
2274     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2275
2276     gtk_widget_show_all(s->window);
2277
2278     vc = gd_vc_find_current(s);
2279     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2280 #ifdef CONFIG_VTE
2281     gtk_widget_set_sensitive(s->copy_item,
2282                              vc && vc->type == GD_VC_VTE);
2283 #endif
2284
2285     if (opts->has_full_screen &&
2286         opts->full_screen) {
2287         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2288     }
2289     if (opts->u.gtk.has_grab_on_hover &&
2290         opts->u.gtk.grab_on_hover) {
2291         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2292     }
2293 }
2294
2295 static void early_gtk_display_init(DisplayOptions *opts)
2296 {
2297     /* The QEMU code relies on the assumption that it's always run in
2298      * the C locale. Therefore it is not prepared to deal with
2299      * operations that produce different results depending on the
2300      * locale, such as printf's formatting of decimal numbers, and
2301      * possibly others.
2302      *
2303      * Since GTK+ calls setlocale() by default -importing the locale
2304      * settings from the environment- we must prevent it from doing so
2305      * using gtk_disable_setlocale().
2306      *
2307      * QEMU's GTK+ UI, however, _does_ have translations for some of
2308      * the menu items. As a trade-off between a functionally correct
2309      * QEMU and a fully internationalized UI we support importing
2310      * LC_MESSAGES from the environment (see the setlocale() call
2311      * earlier in this file). This allows us to display translated
2312      * messages leaving everything else untouched.
2313      */
2314     gtk_disable_setlocale();
2315     gtkinit = gtk_init_check(NULL, NULL);
2316     if (!gtkinit) {
2317         /* don't exit yet, that'll break -help */
2318         return;
2319     }
2320
2321     assert(opts->type == DISPLAY_TYPE_GTK);
2322     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2323 #if defined(CONFIG_OPENGL)
2324 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2325         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2326             gtk_use_gl_area = true;
2327             gtk_gl_area_init();
2328         } else
2329 #endif
2330         {
2331             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2332             gtk_egl_init(mode);
2333         }
2334 #endif
2335     }
2336
2337     keycode_map = gd_get_keymap(&keycode_maplen);
2338
2339 #if defined(CONFIG_VTE)
2340     type_register(&char_gd_vc_type_info);
2341 #endif
2342 }
2343
2344 static QemuDisplay qemu_display_gtk = {
2345     .type       = DISPLAY_TYPE_GTK,
2346     .early_init = early_gtk_display_init,
2347     .init       = gtk_display_init,
2348 };
2349
2350 static void register_gtk(void)
2351 {
2352     qemu_display_register(&qemu_display_gtk);
2353 }
2354
2355 type_init(register_gtk);