ui/gtk.c

   1 /*
   2  * GTK UI
   3  *
   4  * Copyright IBM, Corp. 2012
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  *
  12  * Portions from gtk-vnc:
  13  *
  14  * GTK VNC Widget
  15  *
  16  * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
  17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
  18  *
  19  * This library is free software; you can redistribute it and/or
  20  * modify it under the terms of the GNU Lesser General Public
  21  * License as published by the Free Software Foundation; either
  22  * version 2.0 of the License, or (at your option) any later version.
  23  *
  24  * This library is distributed in the hope that it will be useful,
  25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  27  * Lesser General Public License for more details.
  28  *
  29  * You should have received a copy of the GNU Lesser General Public
  30  * License along with this library; if not, write to the Free Software
  31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  32  */
  33
  34 #define GETTEXT_PACKAGE "qemu"
  35 #define LOCALEDIR "po"
  36
  37 #include "qemu-common.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/sysemu.h"
  52 #include "qmp-commands.h"
  53 #include "x_keymap.h"
  54 #include "keymaps.h"
  55 #include "sysemu/char.h"
  56 #include "qom/object.h"
  57
  58 #define MAX_VCS 10
  59 #define VC_WINDOW_X_MIN  320
  60 #define VC_WINDOW_Y_MIN  240
  61 #define VC_TERM_X_MIN     80
  62 #define VC_TERM_Y_MIN     25
  63 #define VC_SCALE_MIN    0.25
  64 #define VC_SCALE_STEP   0.25
  65
  66 #if !defined(CONFIG_VTE)
  67 # define VTE_CHECK_VERSION(a, b, c) 0
  68 #endif
  69
  70 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
  71 /*
  72  * The gtk2 vte terminal widget seriously messes up the window resize
  73  * for some reason.  You basically can't make the qemu window smaller
  74  * any more because the toplevel window geoemtry hints are overridden.
  75  *
  76  * Workaround that by hiding all vte widgets, except the one in the
  77  * current tab.
  78  *
  79  * Luckily everything works smooth in gtk3.
  80  */
  81 # define VTE_RESIZE_HACK 1
  82 #endif
  83
  84 #if !GTK_CHECK_VERSION(2, 20, 0)
  85 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
  86 #endif
  87
  88 #ifndef GDK_IS_X11_DISPLAY
  89 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
  90 #endif
  91 #ifndef GDK_IS_WIN32_DISPLAY
  92 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
  93 #endif
  94
  95 #ifndef GDK_KEY_0
  96 #define GDK_KEY_0 GDK_0
  97 #define GDK_KEY_1 GDK_1
  98 #define GDK_KEY_2 GDK_2
  99 #define GDK_KEY_f GDK_f
 100 #define GDK_KEY_g GDK_g
 101 #define GDK_KEY_q GDK_q
 102 #define GDK_KEY_plus GDK_plus
 103 #define GDK_KEY_minus GDK_minus
 104 #define GDK_KEY_Pause GDK_Pause
 105 #endif
 106
 107 /* Some older mingw versions lack this constant or have
 108  * it conditionally defined */
 109 #ifdef _WIN32
 110 # ifndef MAPVK_VK_TO_VSC
 111 #  define MAPVK_VK_TO_VSC 0
 112 # endif
 113 #endif
 114
 115
 116 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 117
 118 static const int modifier_keycode[] = {
 119     /* shift, control, alt keys, meta keys, both left & right */
 120     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
 121 };
 122
 123 struct GtkDisplayState {
 124     GtkWidget *window;
 125
 126     GtkWidget *menu_bar;
 127
 128     GtkAccelGroup *accel_group;
 129
 130     GtkWidget *machine_menu_item;
 131     GtkWidget *machine_menu;
 132     GtkWidget *pause_item;
 133     GtkWidget *reset_item;
 134     GtkWidget *powerdown_item;
 135     GtkWidget *quit_item;
 136
 137     GtkWidget *view_menu_item;
 138     GtkWidget *view_menu;
 139     GtkWidget *full_screen_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
 153     GtkWidget *vbox;
 154     GtkWidget *notebook;
 155     int button_mask;
 156     gboolean last_set;
 157     int last_x;
 158     int last_y;
 159     int grab_x_root;
 160     int grab_y_root;
 161     VirtualConsole *kbd_owner;
 162     VirtualConsole *ptr_owner;
 163
 164     gboolean full_screen;
 165
 166     GdkCursor *null_cursor;
 167     Notifier mouse_mode_notifier;
 168     gboolean free_scale;
 169
 170     bool external_pause_update;
 171
 172     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
 173     bool has_evdev;
 174     bool ignore_keys;
 175 };
 176
 177 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 178 static void gd_ungrab_pointer(GtkDisplayState *s);
 179 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 180 static void gd_ungrab_keyboard(GtkDisplayState *s);
 181
 182 /** Utility Functions **/
 183
 184 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 185 {
 186     VirtualConsole *vc;
 187     gint i;
 188
 189     for (i = 0; i < s->nb_vcs; i++) {
 190         vc = &s->vc[i];
 191         if (gtk_check_menu_item_get_active
 192             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 193             return vc;
 194         }
 195     }
 196     return NULL;
 197 }
 198
 199 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 200 {
 201     VirtualConsole *vc;
 202     gint i, p;
 203
 204     for (i = 0; i < s->nb_vcs; i++) {
 205         vc = &s->vc[i];
 206         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 207         if (p == page) {
 208             return vc;
 209         }
 210     }
 211     return NULL;
 212 }
 213
 214 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 215 {
 216     gint page;
 217
 218     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 219     return gd_vc_find_by_page(s, page);
 220 }
 221
 222 static bool gd_is_grab_active(GtkDisplayState *s)
 223 {
 224     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 225 }
 226
 227 static bool gd_grab_on_hover(GtkDisplayState *s)
 228 {
 229     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 230 }
 231
 232 static void gd_update_cursor(VirtualConsole *vc)
 233 {
 234     GtkDisplayState *s = vc->s;
 235     GdkWindow *window;
 236
 237     if (vc->type != GD_VC_GFX ||
 238         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 239         return;
 240     }
 241
 242     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 243         return;
 244     }
 245
 246     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 247     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 248         gdk_window_set_cursor(window, s->null_cursor);
 249     } else {
 250         gdk_window_set_cursor(window, NULL);
 251     }
 252 }
 253
 254 static void gd_update_caption(GtkDisplayState *s)
 255 {
 256     const char *status = "";
 257     gchar *prefix;
 258     gchar *title;
 259     const char *grab = "";
 260     bool is_paused = !runstate_is_running();
 261     int i;
 262
 263     if (qemu_name) {
 264         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 265     } else {
 266         prefix = g_strdup_printf("QEMU");
 267     }
 268
 269     if (s->ptr_owner != NULL &&
 270         s->ptr_owner->window == NULL) {
 271         grab = _(" - Press Ctrl+Alt+G to release grab");
 272     }
 273
 274     if (is_paused) {
 275         status = _(" [Paused]");
 276     }
 277     s->external_pause_update = true;
 278     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 279                                    is_paused);
 280     s->external_pause_update = false;
 281
 282     title = g_strdup_printf("%s%s%s", prefix, status, grab);
 283     gtk_window_set_title(GTK_WINDOW(s->window), title);
 284     g_free(title);
 285
 286     for (i = 0; i < s->nb_vcs; i++) {
 287         VirtualConsole *vc = &s->vc[i];
 288
 289         if (!vc->window) {
 290             continue;
 291         }
 292         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 293                                 vc == s->kbd_owner ? " +kbd" : "",
 294                                 vc == s->ptr_owner ? " +ptr" : "");
 295         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 296         g_free(title);
 297     }
 298
 299     g_free(prefix);
 300 }
 301
 302 static void gd_update_geometry_hints(VirtualConsole *vc)
 303 {
 304     GtkDisplayState *s = vc->s;
 305     GdkWindowHints mask = 0;
 306     GdkGeometry geo = {};
 307     GtkWidget *geo_widget = NULL;
 308     GtkWindow *geo_window;
 309
 310     if (vc->type == GD_VC_GFX) {
 311         if (!vc->gfx.ds) {
 312             return;
 313         }
 314         if (s->free_scale) {
 315             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 316             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 317             mask |= GDK_HINT_MIN_SIZE;
 318         } else {
 319             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 320             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 321             mask |= GDK_HINT_MIN_SIZE;
 322         }
 323         geo_widget = vc->gfx.drawing_area;
 324         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 325
 326 #if defined(CONFIG_VTE)
 327     } else if (vc->type == GD_VC_VTE) {
 328         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 329         GtkBorder *ib;
 330
 331         geo.width_inc  = vte_terminal_get_char_width(term);
 332         geo.height_inc = vte_terminal_get_char_height(term);
 333         mask |= GDK_HINT_RESIZE_INC;
 334         geo.base_width  = geo.width_inc;
 335         geo.base_height = geo.height_inc;
 336         mask |= GDK_HINT_BASE_SIZE;
 337         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 338         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 339         mask |= GDK_HINT_MIN_SIZE;
 340         gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 341         geo.base_width  += ib->left + ib->right;
 342         geo.base_height += ib->top + ib->bottom;
 343         geo.min_width   += ib->left + ib->right;
 344         geo.min_height  += ib->top + ib->bottom;
 345         geo_widget = vc->vte.terminal;
 346 #endif
 347     }
 348
 349     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 350     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 351 }
 352
 353 void gd_update_windowsize(VirtualConsole *vc)
 354 {
 355     GtkDisplayState *s = vc->s;
 356
 357     gd_update_geometry_hints(vc);
 358
 359     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 360         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 361                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 362     }
 363 }
 364
 365 static void gd_update_full_redraw(VirtualConsole *vc)
 366 {
 367     GtkWidget *area = vc->gfx.drawing_area;
 368     int ww, wh;
 369     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
 370     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 371 }
 372
 373 static void gtk_release_modifiers(GtkDisplayState *s)
 374 {
 375     VirtualConsole *vc = gd_vc_find_current(s);
 376     int i, keycode;
 377
 378     if (vc->type != GD_VC_GFX ||
 379         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 380         return;
 381     }
 382     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 383         keycode = modifier_keycode[i];
 384         if (!s->modifier_pressed[i]) {
 385             continue;
 386         }
 387         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
 388         s->modifier_pressed[i] = false;
 389     }
 390 }
 391
 392 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 393                                GtkWidget *widget)
 394 {
 395     g_object_ref(G_OBJECT(widget));
 396     gtk_container_remove(GTK_CONTAINER(from), widget);
 397     gtk_container_add(GTK_CONTAINER(to), widget);
 398     g_object_unref(G_OBJECT(widget));
 399 }
 400
 401 /** DisplayState Callbacks **/
 402
 403 static void gd_update(DisplayChangeListener *dcl,
 404                       int x, int y, int w, int h)
 405 {
 406     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 407     GdkWindow *win;
 408     int x1, x2, y1, y2;
 409     int mx, my;
 410     int fbw, fbh;
 411     int ww, wh;
 412
 413     trace_gd_update(vc->label, x, y, w, h);
 414
 415     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 416         return;
 417     }
 418
 419     if (vc->gfx.convert) {
 420         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 421                                NULL, vc->gfx.convert,
 422                                x, y, 0, 0, x, y, w, h);
 423     }
 424
 425     x1 = floor(x * vc->gfx.scale_x);
 426     y1 = floor(y * vc->gfx.scale_y);
 427
 428     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 429     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 430
 431     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 432     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 433
 434     win = gtk_widget_get_window(vc->gfx.drawing_area);
 435     if (!win) {
 436         return;
 437     }
 438     gdk_drawable_get_size(win, &ww, &wh);
 439
 440     mx = my = 0;
 441     if (ww > fbw) {
 442         mx = (ww - fbw) / 2;
 443     }
 444     if (wh > fbh) {
 445         my = (wh - fbh) / 2;
 446     }
 447
 448     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 449                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 450 }
 451
 452 static void gd_refresh(DisplayChangeListener *dcl)
 453 {
 454     graphic_hw_update(dcl->con);
 455 }
 456
 457 #if GTK_CHECK_VERSION(3, 0, 0)
 458 static void gd_mouse_set(DisplayChangeListener *dcl,
 459                          int x, int y, int visible)
 460 {
 461     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 462     GdkDisplay *dpy;
 463     GdkDeviceManager *mgr;
 464     gint x_root, y_root;
 465
 466     if (qemu_input_is_absolute()) {
 467         return;
 468     }
 469
 470     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 471     mgr = gdk_display_get_device_manager(dpy);
 472     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 473                                x, y, &x_root, &y_root);
 474     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
 475                     gtk_widget_get_screen(vc->gfx.drawing_area),
 476                     x_root, y_root);
 477     vc->s->last_x = x;
 478     vc->s->last_y = y;
 479 }
 480 #else
 481 static void gd_mouse_set(DisplayChangeListener *dcl,
 482                          int x, int y, int visible)
 483 {
 484     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 485     gint x_root, y_root;
 486
 487     if (qemu_input_is_absolute()) {
 488         return;
 489     }
 490
 491     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 492                                x, y, &x_root, &y_root);
 493     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
 494                              gtk_widget_get_screen(vc->gfx.drawing_area),
 495                              x_root, y_root);
 496 }
 497 #endif
 498
 499 static void gd_cursor_define(DisplayChangeListener *dcl,
 500                              QEMUCursor *c)
 501 {
 502     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 503     GdkPixbuf *pixbuf;
 504     GdkCursor *cursor;
 505
 506     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 507         return;
 508     }
 509
 510     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 511                                       GDK_COLORSPACE_RGB, true, 8,
 512                                       c->width, c->height, c->width * 4,
 513                                       NULL, NULL);
 514     cursor = gdk_cursor_new_from_pixbuf
 515         (gtk_widget_get_display(vc->gfx.drawing_area),
 516          pixbuf, c->hot_x, c->hot_y);
 517     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 518     g_object_unref(pixbuf);
 519 #if !GTK_CHECK_VERSION(3, 0, 0)
 520     gdk_cursor_unref(cursor);
 521 #else
 522     g_object_unref(cursor);
 523 #endif
 524 }
 525
 526 static void gd_switch(DisplayChangeListener *dcl,
 527                       DisplaySurface *surface)
 528 {
 529     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 530     bool resized = true;
 531
 532     trace_gd_switch(vc->label,
 533                     surface ? surface_width(surface)  : 0,
 534                     surface ? surface_height(surface) : 0);
 535
 536     if (vc->gfx.surface) {
 537         cairo_surface_destroy(vc->gfx.surface);
 538         vc->gfx.surface = NULL;
 539     }
 540     if (vc->gfx.convert) {
 541         pixman_image_unref(vc->gfx.convert);
 542         vc->gfx.convert = NULL;
 543     }
 544
 545     if (vc->gfx.ds && surface &&
 546         surface_width(vc->gfx.ds) == surface_width(surface) &&
 547         surface_height(vc->gfx.ds) == surface_height(surface)) {
 548         resized = false;
 549     }
 550     vc->gfx.ds = surface;
 551
 552     if (!surface) {
 553         return;
 554     }
 555
 556     if (surface->format == PIXMAN_x8r8g8b8) {
 557         /*
 558          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 559          *
 560          * No need to convert, use surface directly.  Should be the
 561          * common case as this is qemu_default_pixelformat(32) too.
 562          */
 563         vc->gfx.surface = cairo_image_surface_create_for_data
 564             (surface_data(surface),
 565              CAIRO_FORMAT_RGB24,
 566              surface_width(surface),
 567              surface_height(surface),
 568              surface_stride(surface));
 569     } else {
 570         /* Must convert surface, use pixman to do it. */
 571         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 572                                                    surface_width(surface),
 573                                                    surface_height(surface),
 574                                                    NULL, 0);
 575         vc->gfx.surface = cairo_image_surface_create_for_data
 576             ((void *)pixman_image_get_data(vc->gfx.convert),
 577              CAIRO_FORMAT_RGB24,
 578              pixman_image_get_width(vc->gfx.convert),
 579              pixman_image_get_height(vc->gfx.convert),
 580              pixman_image_get_stride(vc->gfx.convert));
 581         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 582                                NULL, vc->gfx.convert,
 583                                0, 0, 0, 0, 0, 0,
 584                                pixman_image_get_width(vc->gfx.convert),
 585                                pixman_image_get_height(vc->gfx.convert));
 586     }
 587
 588     if (resized) {
 589         gd_update_windowsize(vc);
 590     } else {
 591         gd_update_full_redraw(vc);
 592     }
 593 }
 594
 595 static const DisplayChangeListenerOps dcl_ops = {
 596     .dpy_name             = "gtk",
 597     .dpy_gfx_update       = gd_update,
 598     .dpy_gfx_switch       = gd_switch,
 599     .dpy_gfx_check_format = qemu_pixman_check_format,
 600     .dpy_refresh          = gd_refresh,
 601     .dpy_mouse_set        = gd_mouse_set,
 602     .dpy_cursor_define    = gd_cursor_define,
 603 };
 604
 605
 606 #if defined(CONFIG_OPENGL)
 607
 608 /** DisplayState Callbacks (opengl version) **/
 609
 610 static const DisplayChangeListenerOps dcl_egl_ops = {
 611     .dpy_name             = "gtk-egl",
 612     .dpy_gfx_update       = gd_egl_update,
 613     .dpy_gfx_switch       = gd_egl_switch,
 614     .dpy_gfx_check_format = console_gl_check_format,
 615     .dpy_refresh          = gd_egl_refresh,
 616     .dpy_mouse_set        = gd_mouse_set,
 617     .dpy_cursor_define    = gd_cursor_define,
 618 };
 619
 620 #endif
 621
 622 /** QEMU Events **/
 623
 624 static void gd_change_runstate(void *opaque, int running, RunState state)
 625 {
 626     GtkDisplayState *s = opaque;
 627
 628     gd_update_caption(s);
 629 }
 630
 631 static void gd_mouse_mode_change(Notifier *notify, void *data)
 632 {
 633     GtkDisplayState *s;
 634     int i;
 635
 636     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 637     /* release the grab at switching to absolute mode */
 638     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 639         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 640                                        FALSE);
 641     }
 642     for (i = 0; i < s->nb_vcs; i++) {
 643         VirtualConsole *vc = &s->vc[i];
 644         gd_update_cursor(vc);
 645     }
 646 }
 647
 648 /** GTK Events **/
 649
 650 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 651                                 void *opaque)
 652 {
 653     GtkDisplayState *s = opaque;
 654     int i;
 655
 656     if (!no_quit) {
 657         for (i = 0; i < s->nb_vcs; i++) {
 658             if (s->vc[i].type != GD_VC_GFX) {
 659                 continue;
 660             }
 661             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
 662         }
 663         qmp_quit(NULL);
 664         return FALSE;
 665     }
 666
 667     return TRUE;
 668 }
 669
 670 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 671 {
 672     VirtualConsole *vc = opaque;
 673     GtkDisplayState *s = vc->s;
 674     int mx, my;
 675     int ww, wh;
 676     int fbw, fbh;
 677
 678 #if defined(CONFIG_OPENGL)
 679     if (vc->gfx.gls) {
 680         gd_egl_draw(vc);
 681         return TRUE;
 682     }
 683 #endif
 684
 685     if (!gtk_widget_get_realized(widget)) {
 686         return FALSE;
 687     }
 688     if (!vc->gfx.ds) {
 689         return FALSE;
 690     }
 691
 692     fbw = surface_width(vc->gfx.ds);
 693     fbh = surface_height(vc->gfx.ds);
 694
 695     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
 696
 697     if (s->full_screen) {
 698         vc->gfx.scale_x = (double)ww / fbw;
 699         vc->gfx.scale_y = (double)wh / fbh;
 700     } else if (s->free_scale) {
 701         double sx, sy;
 702
 703         sx = (double)ww / fbw;
 704         sy = (double)wh / fbh;
 705
 706         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 707     }
 708
 709     fbw *= vc->gfx.scale_x;
 710     fbh *= vc->gfx.scale_y;
 711
 712     mx = my = 0;
 713     if (ww > fbw) {
 714         mx = (ww - fbw) / 2;
 715     }
 716     if (wh > fbh) {
 717         my = (wh - fbh) / 2;
 718     }
 719
 720     cairo_rectangle(cr, 0, 0, ww, wh);
 721
 722     /* Optionally cut out the inner area where the pixmap
 723        will be drawn. This avoids 'flashing' since we're
 724        not double-buffering. Note we're using the undocumented
 725        behaviour of drawing the rectangle from right to left
 726        to cut out the whole */
 727     cairo_rectangle(cr, mx + fbw, my,
 728                     -1 * fbw, fbh);
 729     cairo_fill(cr);
 730
 731     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 732     cairo_set_source_surface(cr, vc->gfx.surface,
 733                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 734     cairo_paint(cr);
 735
 736     return TRUE;
 737 }
 738
 739 #if !GTK_CHECK_VERSION(3, 0, 0)
 740 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
 741                                 void *opaque)
 742 {
 743     cairo_t *cr;
 744     gboolean ret;
 745
 746     cr = gdk_cairo_create(gtk_widget_get_window(widget));
 747     cairo_rectangle(cr,
 748                     expose->area.x,
 749                     expose->area.y,
 750                     expose->area.width,
 751                     expose->area.height);
 752     cairo_clip(cr);
 753
 754     ret = gd_draw_event(widget, cr, opaque);
 755
 756     cairo_destroy(cr);
 757
 758     return ret;
 759 }
 760 #endif
 761
 762 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 763                                 void *opaque)
 764 {
 765     VirtualConsole *vc = opaque;
 766     GtkDisplayState *s = vc->s;
 767     int x, y;
 768     int mx, my;
 769     int fbh, fbw;
 770     int ww, wh;
 771
 772     if (!vc->gfx.ds) {
 773         return TRUE;
 774     }
 775
 776     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 777     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 778
 779     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
 780                           &ww, &wh);
 781
 782     mx = my = 0;
 783     if (ww > fbw) {
 784         mx = (ww - fbw) / 2;
 785     }
 786     if (wh > fbh) {
 787         my = (wh - fbh) / 2;
 788     }
 789
 790     x = (motion->x - mx) / vc->gfx.scale_x;
 791     y = (motion->y - my) / vc->gfx.scale_y;
 792
 793     if (qemu_input_is_absolute()) {
 794         if (x < 0 || y < 0 ||
 795             x >= surface_width(vc->gfx.ds) ||
 796             y >= surface_height(vc->gfx.ds)) {
 797             return TRUE;
 798         }
 799         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 800                              surface_width(vc->gfx.ds));
 801         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 802                              surface_height(vc->gfx.ds));
 803         qemu_input_event_sync();
 804     } else if (s->last_set && s->ptr_owner == vc) {
 805         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 806         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 807         qemu_input_event_sync();
 808     }
 809     s->last_x = x;
 810     s->last_y = y;
 811     s->last_set = TRUE;
 812
 813     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 814         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 815         int x = (int)motion->x_root;
 816         int y = (int)motion->y_root;
 817
 818         /* In relative mode check to see if client pointer hit
 819          * one of the screen edges, and if so move it back by
 820          * 200 pixels. This is important because the pointer
 821          * in the server doesn't correspond 1-for-1, and so
 822          * may still be only half way across the screen. Without
 823          * this warp, the server pointer would thus appear to hit
 824          * an invisible wall */
 825         if (x == 0) {
 826             x += 200;
 827         }
 828         if (y == 0) {
 829             y += 200;
 830         }
 831         if (x == (gdk_screen_get_width(screen) - 1)) {
 832             x -= 200;
 833         }
 834         if (y == (gdk_screen_get_height(screen) - 1)) {
 835             y -= 200;
 836         }
 837
 838         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 839 #if GTK_CHECK_VERSION(3, 0, 0)
 840             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 841             gdk_device_warp(dev, screen, x, y);
 842 #else
 843             GdkDisplay *display = gtk_widget_get_display(widget);
 844             gdk_display_warp_pointer(display, screen, x, y);
 845 #endif
 846             s->last_set = FALSE;
 847             return FALSE;
 848         }
 849     }
 850     return TRUE;
 851 }
 852
 853 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 854                                 void *opaque)
 855 {
 856     VirtualConsole *vc = opaque;
 857     GtkDisplayState *s = vc->s;
 858     InputButton btn;
 859
 860     /* implicitly grab the input at the first click in the relative mode */
 861     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 862         !qemu_input_is_absolute() && s->ptr_owner != vc) {
 863         if (!vc->window) {
 864             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 865                                            TRUE);
 866         } else {
 867             gd_grab_pointer(vc, "relative-mode-click");
 868         }
 869         return TRUE;
 870     }
 871
 872     if (button->button == 1) {
 873         btn = INPUT_BUTTON_LEFT;
 874     } else if (button->button == 2) {
 875         btn = INPUT_BUTTON_MIDDLE;
 876     } else if (button->button == 3) {
 877         btn = INPUT_BUTTON_RIGHT;
 878     } else {
 879         return TRUE;
 880     }
 881
 882     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 883                          button->type == GDK_BUTTON_PRESS);
 884     qemu_input_event_sync();
 885     return TRUE;
 886 }
 887
 888 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 889                                 void *opaque)
 890 {
 891     VirtualConsole *vc = opaque;
 892     InputButton btn;
 893
 894     if (scroll->direction == GDK_SCROLL_UP) {
 895         btn = INPUT_BUTTON_WHEEL_UP;
 896     } else if (scroll->direction == GDK_SCROLL_DOWN) {
 897         btn = INPUT_BUTTON_WHEEL_DOWN;
 898     } else {
 899         return TRUE;
 900     }
 901
 902     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
 903     qemu_input_event_sync();
 904     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
 905     qemu_input_event_sync();
 906     return TRUE;
 907 }
 908
 909 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
 910 {
 911     int qemu_keycode;
 912
 913 #ifdef GDK_WINDOWING_WIN32
 914     if (GDK_IS_WIN32_DISPLAY(dpy)) {
 915         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
 916         switch (qemu_keycode) {
 917         case 103:   /* alt gr */
 918             qemu_keycode = 56 | SCANCODE_GREY;
 919             break;
 920         }
 921         return qemu_keycode;
 922     }
 923 #endif
 924
 925     if (gdk_keycode < 9) {
 926         qemu_keycode = 0;
 927     } else if (gdk_keycode < 97) {
 928         qemu_keycode = gdk_keycode - 8;
 929 #ifdef GDK_WINDOWING_X11
 930     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
 931         if (s->has_evdev) {
 932             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
 933         } else {
 934             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
 935         }
 936 #endif
 937     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
 938         qemu_keycode = 0x70;
 939     } else if (gdk_keycode == 211) { /* backslash */
 940         qemu_keycode = 0x73;
 941     } else {
 942         qemu_keycode = 0;
 943     }
 944
 945     return qemu_keycode;
 946 }
 947
 948 static gboolean gd_text_key_down(GtkWidget *widget,
 949                                  GdkEventKey *key, void *opaque)
 950 {
 951     VirtualConsole *vc = opaque;
 952     QemuConsole *con = vc->gfx.dcl.con;
 953
 954     if (key->length) {
 955         kbd_put_string_console(con, key->string, key->length);
 956     } else {
 957         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
 958                                  key->hardware_keycode);
 959         int qcode = qemu_input_key_number_to_qcode(num);
 960         kbd_put_qcode_console(con, qcode);
 961     }
 962     return TRUE;
 963 }
 964
 965 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
 966 {
 967     VirtualConsole *vc = opaque;
 968     GtkDisplayState *s = vc->s;
 969     int gdk_keycode = key->hardware_keycode;
 970     int qemu_keycode;
 971     int i;
 972
 973     if (s->ignore_keys) {
 974         s->ignore_keys = (key->type == GDK_KEY_PRESS);
 975         return TRUE;
 976     }
 977
 978     if (key->keyval == GDK_KEY_Pause) {
 979         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
 980                                         key->type == GDK_KEY_PRESS);
 981         return TRUE;
 982     }
 983
 984     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
 985                                   gdk_keycode);
 986
 987     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
 988                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
 989
 990     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 991         if (qemu_keycode == modifier_keycode[i]) {
 992             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
 993         }
 994     }
 995
 996     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
 997                                      key->type == GDK_KEY_PRESS);
 998
 999     return TRUE;
1000 }
1001
1002 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1003 {
1004     if (event->type == GDK_MOTION_NOTIFY) {
1005         return gd_motion_event(widget, &event->motion, opaque);
1006     }
1007     return FALSE;
1008 }
1009
1010 /** Window Menu Actions **/
1011
1012 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1013 {
1014     GtkDisplayState *s = opaque;
1015
1016     if (s->external_pause_update) {
1017         return;
1018     }
1019     if (runstate_is_running()) {
1020         qmp_stop(NULL);
1021     } else {
1022         qmp_cont(NULL);
1023     }
1024 }
1025
1026 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1027 {
1028     qmp_system_reset(NULL);
1029 }
1030
1031 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1032 {
1033     qmp_system_powerdown(NULL);
1034 }
1035
1036 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1037 {
1038     qmp_quit(NULL);
1039 }
1040
1041 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1042 {
1043     GtkDisplayState *s = opaque;
1044     VirtualConsole *vc = gd_vc_find_by_menu(s);
1045     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1046     gint page;
1047
1048     gtk_release_modifiers(s);
1049     if (vc) {
1050         page = gtk_notebook_page_num(nb, vc->tab_item);
1051         gtk_notebook_set_current_page(nb, page);
1052         gtk_widget_grab_focus(vc->focus);
1053     }
1054     s->ignore_keys = false;
1055 }
1056
1057 static void gd_accel_switch_vc(void *opaque)
1058 {
1059     VirtualConsole *vc = opaque;
1060
1061     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1062 #if !GTK_CHECK_VERSION(3, 0, 0)
1063     /* GTK2 sends the accel key to the target console - ignore this until */
1064     vc->s->ignore_keys = true;
1065 #endif
1066 }
1067
1068 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1069 {
1070     GtkDisplayState *s = opaque;
1071     VirtualConsole *vc = gd_vc_find_current(s);
1072
1073     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1074         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1075     } else {
1076         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1077     }
1078     gd_update_windowsize(vc);
1079 }
1080
1081 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1082                                     void *opaque)
1083 {
1084     VirtualConsole *vc = opaque;
1085     GtkDisplayState *s = vc->s;
1086
1087     gtk_widget_set_sensitive(vc->menu_item, true);
1088     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1089     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1090                                     vc->tab_item, vc->label);
1091     gtk_widget_destroy(vc->window);
1092     vc->window = NULL;
1093     return TRUE;
1094 }
1095
1096 static gboolean gd_win_grab(void *opaque)
1097 {
1098     VirtualConsole *vc = opaque;
1099
1100     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1101     if (vc->s->ptr_owner) {
1102         gd_ungrab_pointer(vc->s);
1103     } else {
1104         gd_grab_pointer(vc, "user-request-detached-tab");
1105     }
1106     return TRUE;
1107 }
1108
1109 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1110 {
1111     GtkDisplayState *s = opaque;
1112     VirtualConsole *vc = gd_vc_find_current(s);
1113
1114     if (vc->type == GD_VC_GFX &&
1115         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1116         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1117                                        FALSE);
1118     }
1119     if (!vc->window) {
1120         gtk_widget_set_sensitive(vc->menu_item, false);
1121         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1122         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1123
1124         g_signal_connect(vc->window, "delete-event",
1125                          G_CALLBACK(gd_tab_window_close), vc);
1126         gtk_widget_show_all(vc->window);
1127
1128         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1129             GtkAccelGroup *ag = gtk_accel_group_new();
1130             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1131
1132             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1133                                                vc, NULL);
1134             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1135         }
1136
1137         gd_update_geometry_hints(vc);
1138         gd_update_caption(s);
1139     }
1140 }
1141
1142 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1143 {
1144     GtkDisplayState *s = opaque;
1145     VirtualConsole *vc = gd_vc_find_current(s);
1146
1147     if (!s->full_screen) {
1148         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1149         gtk_widget_hide(s->menu_bar);
1150         if (vc->type == GD_VC_GFX) {
1151             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1152         }
1153         gtk_window_fullscreen(GTK_WINDOW(s->window));
1154         s->full_screen = TRUE;
1155     } else {
1156         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1157         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1158         gtk_widget_show(s->menu_bar);
1159         s->full_screen = FALSE;
1160         if (vc->type == GD_VC_GFX) {
1161             vc->gfx.scale_x = 1.0;
1162             vc->gfx.scale_y = 1.0;
1163             gd_update_windowsize(vc);
1164         }
1165     }
1166
1167     gd_update_cursor(vc);
1168 }
1169
1170 static void gd_accel_full_screen(void *opaque)
1171 {
1172     GtkDisplayState *s = opaque;
1173     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1174 }
1175
1176 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1177 {
1178     GtkDisplayState *s = opaque;
1179     VirtualConsole *vc = gd_vc_find_current(s);
1180
1181     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1182                                    FALSE);
1183
1184     vc->gfx.scale_x += VC_SCALE_STEP;
1185     vc->gfx.scale_y += VC_SCALE_STEP;
1186
1187     gd_update_windowsize(vc);
1188 }
1189
1190 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1191 {
1192     GtkDisplayState *s = opaque;
1193     VirtualConsole *vc = gd_vc_find_current(s);
1194
1195     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1196                                    FALSE);
1197
1198     vc->gfx.scale_x -= VC_SCALE_STEP;
1199     vc->gfx.scale_y -= VC_SCALE_STEP;
1200
1201     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1202     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1203
1204     gd_update_windowsize(vc);
1205 }
1206
1207 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1208 {
1209     GtkDisplayState *s = opaque;
1210     VirtualConsole *vc = gd_vc_find_current(s);
1211
1212     vc->gfx.scale_x = 1.0;
1213     vc->gfx.scale_y = 1.0;
1214
1215     gd_update_windowsize(vc);
1216 }
1217
1218 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1219 {
1220     GtkDisplayState *s = opaque;
1221     VirtualConsole *vc = gd_vc_find_current(s);
1222
1223     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1224         s->free_scale = TRUE;
1225     } else {
1226         s->free_scale = FALSE;
1227         vc->gfx.scale_x = 1.0;
1228         vc->gfx.scale_y = 1.0;
1229     }
1230
1231     gd_update_windowsize(vc);
1232     gd_update_full_redraw(vc);
1233 }
1234
1235 #if GTK_CHECK_VERSION(3, 0, 0)
1236 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1237                             GdkInputSource source, GdkEventMask mask,
1238                             GdkCursor *cursor)
1239 {
1240     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1241     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1242     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1243     GList *tmp = devs;
1244
1245     for (tmp = devs; tmp; tmp = tmp->next) {
1246         GdkDevice *dev = tmp->data;
1247         if (gdk_device_get_source(dev) != source) {
1248             continue;
1249         }
1250         if (grab) {
1251             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1252             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1253                             mask, cursor, GDK_CURRENT_TIME);
1254         } else {
1255             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1256         }
1257     }
1258     g_list_free(devs);
1259 }
1260 #endif
1261
1262 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1263 {
1264     if (vc->s->kbd_owner) {
1265         if (vc->s->kbd_owner == vc) {
1266             return;
1267         } else {
1268             gd_ungrab_keyboard(vc->s);
1269         }
1270     }
1271
1272 #if GTK_CHECK_VERSION(3, 0, 0)
1273     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1274                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1275                    NULL);
1276 #else
1277     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1278                       FALSE,
1279                       GDK_CURRENT_TIME);
1280 #endif
1281     vc->s->kbd_owner = vc;
1282     gd_update_caption(vc->s);
1283     trace_gd_grab(vc->label, "kbd", reason);
1284 }
1285
1286 static void gd_ungrab_keyboard(GtkDisplayState *s)
1287 {
1288     VirtualConsole *vc = s->kbd_owner;
1289
1290     if (vc == NULL) {
1291         return;
1292     }
1293     s->kbd_owner = NULL;
1294
1295 #if GTK_CHECK_VERSION(3, 0, 0)
1296     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1297 #else
1298     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1299 #endif
1300     gd_update_caption(s);
1301     trace_gd_ungrab(vc->label, "kbd");
1302 }
1303
1304 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1305 {
1306     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1307
1308     if (vc->s->ptr_owner) {
1309         if (vc->s->ptr_owner == vc) {
1310             return;
1311         } else {
1312             gd_ungrab_pointer(vc->s);
1313         }
1314     }
1315
1316 #if GTK_CHECK_VERSION(3, 0, 0)
1317     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1318     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1319                     GDK_POINTER_MOTION_MASK |
1320                     GDK_BUTTON_PRESS_MASK |
1321                     GDK_BUTTON_RELEASE_MASK |
1322                     GDK_BUTTON_MOTION_MASK |
1323                     GDK_SCROLL_MASK,
1324                     vc->s->null_cursor);
1325     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1326                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1327 #else
1328     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1329                      FALSE, /* All events to come to our window directly */
1330                      GDK_POINTER_MOTION_MASK |
1331                      GDK_BUTTON_PRESS_MASK |
1332                      GDK_BUTTON_RELEASE_MASK |
1333                      GDK_BUTTON_MOTION_MASK |
1334                      GDK_SCROLL_MASK,
1335                      NULL, /* Allow cursor to move over entire desktop */
1336                      vc->s->null_cursor,
1337                      GDK_CURRENT_TIME);
1338     gdk_display_get_pointer(display, NULL,
1339                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1340 #endif
1341     vc->s->ptr_owner = vc;
1342     gd_update_caption(vc->s);
1343     trace_gd_grab(vc->label, "ptr", reason);
1344 }
1345
1346 static void gd_ungrab_pointer(GtkDisplayState *s)
1347 {
1348     VirtualConsole *vc = s->ptr_owner;
1349
1350     if (vc == NULL) {
1351         return;
1352     }
1353     s->ptr_owner = NULL;
1354
1355     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1356 #if GTK_CHECK_VERSION(3, 0, 0)
1357     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1358     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1359     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1360                     gtk_widget_get_screen(vc->gfx.drawing_area),
1361                     vc->s->grab_x_root, vc->s->grab_y_root);
1362 #else
1363     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1364     gdk_display_warp_pointer(display,
1365                              gtk_widget_get_screen(vc->gfx.drawing_area),
1366                              vc->s->grab_x_root, vc->s->grab_y_root);
1367 #endif
1368     gd_update_caption(s);
1369     trace_gd_ungrab(vc->label, "ptr");
1370 }
1371
1372 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1373 {
1374     GtkDisplayState *s = opaque;
1375     VirtualConsole *vc = gd_vc_find_current(s);
1376
1377     if (gd_is_grab_active(s)) {
1378         gd_grab_keyboard(vc, "user-request-main-window");
1379         gd_grab_pointer(vc, "user-request-main-window");
1380     } else {
1381         gd_ungrab_keyboard(s);
1382         gd_ungrab_pointer(s);
1383     }
1384
1385     gd_update_cursor(vc);
1386 }
1387
1388 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1389                            gpointer data)
1390 {
1391     GtkDisplayState *s = data;
1392     VirtualConsole *vc;
1393     gboolean on_vga;
1394
1395     if (!gtk_widget_get_realized(s->notebook)) {
1396         return;
1397     }
1398
1399 #ifdef VTE_RESIZE_HACK
1400     vc = gd_vc_find_current(s);
1401     if (vc && vc->type == GD_VC_VTE) {
1402         gtk_widget_hide(vc->vte.terminal);
1403     }
1404 #endif
1405     vc = gd_vc_find_by_page(s, arg2);
1406     if (!vc) {
1407         return;
1408     }
1409 #ifdef VTE_RESIZE_HACK
1410     if (vc->type == GD_VC_VTE) {
1411         gtk_widget_show(vc->vte.terminal);
1412     }
1413 #endif
1414     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1415                                    TRUE);
1416     on_vga = (vc->type == GD_VC_GFX &&
1417               qemu_console_is_graphic(vc->gfx.dcl.con));
1418     if (!on_vga) {
1419         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1420                                        FALSE);
1421     } else if (s->full_screen) {
1422         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1423                                        TRUE);
1424     }
1425     gtk_widget_set_sensitive(s->grab_item, on_vga);
1426
1427     gd_update_windowsize(vc);
1428     gd_update_cursor(vc);
1429 }
1430
1431 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1432                                gpointer opaque)
1433 {
1434     VirtualConsole *vc = opaque;
1435     GtkDisplayState *s = vc->s;
1436
1437     if (gd_grab_on_hover(s)) {
1438         gd_grab_keyboard(vc, "grab-on-hover");
1439     }
1440     return TRUE;
1441 }
1442
1443 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1444                                gpointer opaque)
1445 {
1446     VirtualConsole *vc = opaque;
1447     GtkDisplayState *s = vc->s;
1448
1449     if (gd_grab_on_hover(s)) {
1450         gd_ungrab_keyboard(s);
1451     }
1452     return TRUE;
1453 }
1454
1455 static gboolean gd_focus_out_event(GtkWidget *widget,
1456                                    GdkEventCrossing *crossing, gpointer opaque)
1457 {
1458     VirtualConsole *vc = opaque;
1459     GtkDisplayState *s = vc->s;
1460
1461     gtk_release_modifiers(s);
1462     return TRUE;
1463 }
1464
1465 static gboolean gd_configure(GtkWidget *widget,
1466                              GdkEventConfigure *cfg, gpointer opaque)
1467 {
1468     VirtualConsole *vc = opaque;
1469     QemuUIInfo info;
1470
1471     memset(&info, 0, sizeof(info));
1472     info.width = cfg->width;
1473     info.height = cfg->height;
1474     dpy_set_ui_info(vc->gfx.dcl.con, &info);
1475     return FALSE;
1476 }
1477
1478 /** Virtual Console Callbacks **/
1479
1480 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1481                                int idx, GSList *group, GtkWidget *view_menu)
1482 {
1483     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1484     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1485             HOTKEY_MODIFIERS, 0,
1486             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1487 #if GTK_CHECK_VERSION(3, 8, 0)
1488     gtk_accel_label_set_accel(
1489             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1490             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1491 #endif
1492
1493     g_signal_connect(vc->menu_item, "activate",
1494                      G_CALLBACK(gd_menu_switch_vc), s);
1495     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1496
1497     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1498     return group;
1499 }
1500
1501 #if defined(CONFIG_VTE)
1502 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1503 {
1504     VirtualConsole *vc = opaque;
1505
1506     if (gtk_adjustment_get_upper(adjustment) >
1507         gtk_adjustment_get_page_size(adjustment)) {
1508         gtk_widget_show(vc->vte.scrollbar);
1509     } else {
1510         gtk_widget_hide(vc->vte.scrollbar);
1511     }
1512 }
1513
1514 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1515 {
1516     VirtualConsole *vc = chr->opaque;
1517
1518     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1519     return len;
1520 }
1521
1522 static int nb_vcs;
1523 static CharDriverState *vcs[MAX_VCS];
1524
1525 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1526 {
1527     CharDriverState *chr;
1528
1529     chr = g_malloc0(sizeof(*chr));
1530     chr->chr_write = gd_vc_chr_write;
1531     /* defer OPENED events until our vc is fully initialized */
1532     chr->explicit_be_open = true;
1533
1534     vcs[nb_vcs++] = chr;
1535
1536     return chr;
1537 }
1538
1539 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1540                          gpointer user_data)
1541 {
1542     VirtualConsole *vc = user_data;
1543
1544     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1545     return TRUE;
1546 }
1547
1548 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1549                               CharDriverState *chr, int idx,
1550                               GSList *group, GtkWidget *view_menu)
1551 {
1552     char buffer[32];
1553     GtkWidget *box;
1554     GtkWidget *scrollbar;
1555     GtkAdjustment *vadjustment;
1556
1557     vc->s = s;
1558     vc->vte.chr = chr;
1559
1560     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1561     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1562                                 ? vc->vte.chr->label : buffer);
1563     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1564
1565     vc->vte.terminal = vte_terminal_new();
1566     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1567
1568     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1569     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1570                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1571
1572 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1573     vadjustment = gtk_scrollable_get_vadjustment
1574         (GTK_SCROLLABLE(vc->vte.terminal));
1575 #else
1576     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1577 #endif
1578
1579 #if GTK_CHECK_VERSION(3, 0, 0)
1580     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1581     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1582 #else
1583     box = gtk_hbox_new(false, 2);
1584     scrollbar = gtk_vscrollbar_new(vadjustment);
1585 #endif
1586
1587     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1588     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1589
1590     vc->vte.chr->opaque = vc;
1591     vc->vte.box = box;
1592     vc->vte.scrollbar = scrollbar;
1593
1594     g_signal_connect(vadjustment, "changed",
1595                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1596
1597     vc->type = GD_VC_VTE;
1598     vc->tab_item = box;
1599     vc->focus = vc->vte.terminal;
1600     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1601                              gtk_label_new(vc->label));
1602
1603     qemu_chr_be_generic_open(vc->vte.chr);
1604     if (vc->vte.chr->init) {
1605         vc->vte.chr->init(vc->vte.chr);
1606     }
1607
1608     return group;
1609 }
1610
1611 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1612                         GtkWidget *view_menu)
1613 {
1614     int i;
1615
1616     for (i = 0; i < nb_vcs; i++) {
1617         VirtualConsole *vc = &s->vc[s->nb_vcs];
1618         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1619         s->nb_vcs++;
1620     }
1621 }
1622 #endif /* CONFIG_VTE */
1623
1624 /** Window Creation **/
1625
1626 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1627 {
1628 #if GTK_CHECK_VERSION(3, 0, 0)
1629     g_signal_connect(vc->gfx.drawing_area, "draw",
1630                      G_CALLBACK(gd_draw_event), vc);
1631 #else
1632     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1633                      G_CALLBACK(gd_expose_event), vc);
1634 #endif
1635     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1636         g_signal_connect(vc->gfx.drawing_area, "event",
1637                          G_CALLBACK(gd_event), vc);
1638         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1639                          G_CALLBACK(gd_button_event), vc);
1640         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1641                          G_CALLBACK(gd_button_event), vc);
1642         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1643                          G_CALLBACK(gd_scroll_event), vc);
1644         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1645                          G_CALLBACK(gd_key_event), vc);
1646         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1647                          G_CALLBACK(gd_key_event), vc);
1648
1649         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1650                          G_CALLBACK(gd_enter_event), vc);
1651         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1652                          G_CALLBACK(gd_leave_event), vc);
1653         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1654                          G_CALLBACK(gd_focus_out_event), vc);
1655         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1656                          G_CALLBACK(gd_configure), vc);
1657     } else {
1658         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1659                          G_CALLBACK(gd_text_key_down), vc);
1660     }
1661 }
1662
1663 static void gd_connect_signals(GtkDisplayState *s)
1664 {
1665     g_signal_connect(s->show_tabs_item, "activate",
1666                      G_CALLBACK(gd_menu_show_tabs), s);
1667     g_signal_connect(s->untabify_item, "activate",
1668                      G_CALLBACK(gd_menu_untabify), s);
1669
1670     g_signal_connect(s->window, "delete-event",
1671                      G_CALLBACK(gd_window_close), s);
1672
1673     g_signal_connect(s->pause_item, "activate",
1674                      G_CALLBACK(gd_menu_pause), s);
1675     g_signal_connect(s->reset_item, "activate",
1676                      G_CALLBACK(gd_menu_reset), s);
1677     g_signal_connect(s->powerdown_item, "activate",
1678                      G_CALLBACK(gd_menu_powerdown), s);
1679     g_signal_connect(s->quit_item, "activate",
1680                      G_CALLBACK(gd_menu_quit), s);
1681     g_signal_connect(s->full_screen_item, "activate",
1682                      G_CALLBACK(gd_menu_full_screen), s);
1683     g_signal_connect(s->zoom_in_item, "activate",
1684                      G_CALLBACK(gd_menu_zoom_in), s);
1685     g_signal_connect(s->zoom_out_item, "activate",
1686                      G_CALLBACK(gd_menu_zoom_out), s);
1687     g_signal_connect(s->zoom_fixed_item, "activate",
1688                      G_CALLBACK(gd_menu_zoom_fixed), s);
1689     g_signal_connect(s->zoom_fit_item, "activate",
1690                      G_CALLBACK(gd_menu_zoom_fit), s);
1691     g_signal_connect(s->grab_item, "activate",
1692                      G_CALLBACK(gd_menu_grab_input), s);
1693     g_signal_connect(s->notebook, "switch-page",
1694                      G_CALLBACK(gd_change_page), s);
1695 }
1696
1697 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1698 {
1699     GtkWidget *machine_menu;
1700     GtkWidget *separator;
1701
1702     machine_menu = gtk_menu_new();
1703     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1704
1705     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1706     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1707
1708     separator = gtk_separator_menu_item_new();
1709     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1710
1711     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1712     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1713
1714     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1715     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1716
1717     separator = gtk_separator_menu_item_new();
1718     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1719
1720     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1721     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1722                                  "<QEMU>/Machine/Quit");
1723     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1724                             GDK_KEY_q, HOTKEY_MODIFIERS);
1725     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1726
1727     return machine_menu;
1728 }
1729
1730 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1731                               QemuConsole *con, int idx,
1732                               GSList *group, GtkWidget *view_menu)
1733 {
1734     vc->label = qemu_console_get_label(con);
1735     vc->s = s;
1736     vc->gfx.scale_x = 1.0;
1737     vc->gfx.scale_y = 1.0;
1738
1739     vc->gfx.drawing_area = gtk_drawing_area_new();
1740     gtk_widget_add_events(vc->gfx.drawing_area,
1741                           GDK_POINTER_MOTION_MASK |
1742                           GDK_BUTTON_PRESS_MASK |
1743                           GDK_BUTTON_RELEASE_MASK |
1744                           GDK_BUTTON_MOTION_MASK |
1745                           GDK_ENTER_NOTIFY_MASK |
1746                           GDK_LEAVE_NOTIFY_MASK |
1747                           GDK_SCROLL_MASK |
1748                           GDK_KEY_PRESS_MASK);
1749     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1750
1751     vc->type = GD_VC_GFX;
1752     vc->tab_item = vc->gfx.drawing_area;
1753     vc->focus = vc->gfx.drawing_area;
1754     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1755                              vc->tab_item, gtk_label_new(vc->label));
1756
1757 #if defined(CONFIG_OPENGL)
1758     if (display_opengl) {
1759         /*
1760          * gtk_widget_set_double_buffered() was deprecated in 3.14.
1761          * It is required for opengl rendering on X11 though.  A
1762          * proper replacement (native opengl support) is only
1763          * available in 3.16+.  Silence the warning if possible.
1764          */
1765 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1766 #pragma GCC diagnostic push
1767 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1768 #endif
1769         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1770 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1771 #pragma GCC diagnostic pop
1772 #endif
1773         vc->gfx.dcl.ops = &dcl_egl_ops;
1774     } else
1775 #endif
1776     {
1777         vc->gfx.dcl.ops = &dcl_ops;
1778     }
1779
1780     vc->gfx.dcl.con = con;
1781     register_displaychangelistener(&vc->gfx.dcl);
1782
1783     gd_connect_vc_gfx_signals(vc);
1784     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1785
1786     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
1787         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
1788         s->free_scale = true;
1789     }
1790
1791     return group;
1792 }
1793
1794 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
1795 {
1796     GSList *group = NULL;
1797     GtkWidget *view_menu;
1798     GtkWidget *separator;
1799     QemuConsole *con;
1800     int vc;
1801
1802     view_menu = gtk_menu_new();
1803     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
1804
1805     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1806
1807     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
1808             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
1809 #if GTK_CHECK_VERSION(3, 8, 0)
1810     gtk_accel_label_set_accel(
1811             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
1812             GDK_KEY_f, HOTKEY_MODIFIERS);
1813 #endif
1814     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1815
1816     separator = gtk_separator_menu_item_new();
1817     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1818
1819     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1820     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1821                                  "<QEMU>/View/Zoom In");
1822     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1823                             HOTKEY_MODIFIERS);
1824     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1825
1826     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1827     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1828                                  "<QEMU>/View/Zoom Out");
1829     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1830                             HOTKEY_MODIFIERS);
1831     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1832
1833     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1834     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1835                                  "<QEMU>/View/Zoom Fixed");
1836     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1837                             HOTKEY_MODIFIERS);
1838     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1839
1840     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1841     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1842
1843     separator = gtk_separator_menu_item_new();
1844     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1845
1846     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1847     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1848
1849     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1850     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1851                                  "<QEMU>/View/Grab Input");
1852     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1853                             HOTKEY_MODIFIERS);
1854     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1855
1856     separator = gtk_separator_menu_item_new();
1857     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1858
1859     /* gfx */
1860     for (vc = 0;; vc++) {
1861         con = qemu_console_lookup_by_index(vc);
1862         if (!con) {
1863             break;
1864         }
1865         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1866                                vc, group, view_menu);
1867         s->nb_vcs++;
1868     }
1869
1870 #if defined(CONFIG_VTE)
1871     /* vte */
1872     gd_vcs_init(s, group, view_menu);
1873 #endif
1874
1875     separator = gtk_separator_menu_item_new();
1876     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1877
1878     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1879     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1880
1881     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1882     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1883
1884     return view_menu;
1885 }
1886
1887 static void gd_create_menus(GtkDisplayState *s)
1888 {
1889     s->accel_group = gtk_accel_group_new();
1890     s->machine_menu = gd_create_menu_machine(s);
1891     s->view_menu = gd_create_menu_view(s);
1892
1893     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1894     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1895                               s->machine_menu);
1896     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1897
1898     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1899     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1900     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1901
1902     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
1903     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
1904 }
1905
1906 static void gd_set_keycode_type(GtkDisplayState *s)
1907 {
1908 #ifdef GDK_WINDOWING_X11
1909     GdkDisplay *display = gtk_widget_get_display(s->window);
1910     if (GDK_IS_X11_DISPLAY(display)) {
1911         Display *x11_display = gdk_x11_display_get_xdisplay(display);
1912         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
1913                                          XkbUseCoreKbd);
1914         char *keycodes = NULL;
1915
1916         if (desc && desc->names) {
1917             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
1918         }
1919         if (keycodes == NULL) {
1920             fprintf(stderr, "could not lookup keycode name\n");
1921         } else if (strstart(keycodes, "evdev", NULL)) {
1922             s->has_evdev = true;
1923         } else if (!strstart(keycodes, "xfree86", NULL)) {
1924             fprintf(stderr, "unknown keycodes `%s', please report to "
1925                     "qemu-devel@nongnu.org\n", keycodes);
1926         }
1927
1928         if (desc) {
1929             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
1930         }
1931         if (keycodes) {
1932             XFree(keycodes);
1933         }
1934     }
1935 #endif
1936 }
1937
1938 static gboolean gtkinit;
1939
1940 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1941 {
1942     GtkDisplayState *s = g_malloc0(sizeof(*s));
1943     char *filename;
1944     GdkDisplay *window_display;
1945
1946     if (!gtkinit) {
1947         fprintf(stderr, "gtk initialization failed\n");
1948         exit(1);
1949     }
1950
1951     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1952 #if GTK_CHECK_VERSION(3, 2, 0)
1953     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1954 #else
1955     s->vbox = gtk_vbox_new(FALSE, 0);
1956 #endif
1957     s->notebook = gtk_notebook_new();
1958     s->menu_bar = gtk_menu_bar_new();
1959
1960     s->free_scale = FALSE;
1961
1962     /* LC_MESSAGES only. See early_gtk_display_init() for details */
1963     setlocale(LC_MESSAGES, "");
1964     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1965     textdomain("qemu");
1966
1967     window_display = gtk_widget_get_display(s->window);
1968     s->null_cursor = gdk_cursor_new_for_display(window_display,
1969                                                 GDK_BLANK_CURSOR);
1970
1971     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1972     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1973     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1974
1975     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1976     if (filename) {
1977         GError *error = NULL;
1978         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1979         if (pixbuf) {
1980             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1981         } else {
1982             g_error_free(error);
1983         }
1984         g_free(filename);
1985     }
1986
1987     gd_create_menus(s);
1988
1989     gd_connect_signals(s);
1990
1991     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1992     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1993
1994     gd_update_caption(s);
1995
1996     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1997     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1998
1999     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2000
2001     gtk_widget_show_all(s->window);
2002
2003 #ifdef VTE_RESIZE_HACK
2004     {
2005         VirtualConsole *cur = gd_vc_find_current(s);
2006         if (cur) {
2007             int i;
2008
2009             for (i = 0; i < s->nb_vcs; i++) {
2010                 VirtualConsole *vc = &s->vc[i];
2011                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2012                     gtk_widget_hide(vc->vte.terminal);
2013                 }
2014             }
2015             gd_update_windowsize(cur);
2016         }
2017     }
2018 #endif
2019
2020     if (full_screen) {
2021         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2022     }
2023     if (grab_on_hover) {
2024         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2025     }
2026
2027     gd_set_keycode_type(s);
2028 }
2029
2030 void early_gtk_display_init(int opengl)
2031 {
2032     /* The QEMU code relies on the assumption that it's always run in
2033      * the C locale. Therefore it is not prepared to deal with
2034      * operations that produce different results depending on the
2035      * locale, such as printf's formatting of decimal numbers, and
2036      * possibly others.
2037      *
2038      * Since GTK+ calls setlocale() by default -importing the locale
2039      * settings from the environment- we must prevent it from doing so
2040      * using gtk_disable_setlocale().
2041      *
2042      * QEMU's GTK+ UI, however, _does_ have translations for some of
2043      * the menu items. As a trade-off between a functionally correct
2044      * QEMU and a fully internationalized UI we support importing
2045      * LC_MESSAGES from the environment (see the setlocale() call
2046      * earlier in this file). This allows us to display translated
2047      * messages leaving everything else untouched.
2048      */
2049     gtk_disable_setlocale();
2050     gtkinit = gtk_init_check(NULL, NULL);
2051     if (!gtkinit) {
2052         /* don't exit yet, that'll break -help */
2053         return;
2054     }
2055
2056     switch (opengl) {
2057     case -1: /* default */
2058     case 0:  /* off */
2059         break;
2060     case 1: /* on */
2061 #if defined(CONFIG_OPENGL)
2062         gtk_egl_init();
2063 #endif
2064         break;
2065     default:
2066         g_assert_not_reached();
2067         break;
2068     }
2069
2070 #if defined(CONFIG_VTE)
2071     register_vc_handler(gd_vc_handler);
2072 #endif
2073 }