ui/gtk.c

   1 /*
   2  * GTK UI
   3  *
   4  * Copyright IBM, Corp. 2012
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <[email protected]>
   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 <[email protected]>
  17  * Copyright (C) 2009-2010 Daniel P. Berrange <[email protected]>
  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/osdep.h"
  38 #include "qemu-common.h"
  39 #include "qemu/cutils.h"
  40
  41 #include "ui/console.h"
  42 #include "ui/gtk.h"
  43
  44 #include <glib/gi18n.h>
  45 #include <locale.h>
  46 #if defined(CONFIG_VTE)
  47 #include <vte/vte.h>
  48 #endif
  49 #include <math.h>
  50
  51 #include "trace.h"
  52 #include "ui/input.h"
  53 #include "sysemu/sysemu.h"
  54 #include "qmp-commands.h"
  55 #include "x_keymap.h"
  56 #include "keymaps.h"
  57 #include "sysemu/char.h"
  58 #include "qom/object.h"
  59
  60 #define MAX_VCS 10
  61 #define VC_WINDOW_X_MIN  320
  62 #define VC_WINDOW_Y_MIN  240
  63 #define VC_TERM_X_MIN     80
  64 #define VC_TERM_Y_MIN     25
  65 #define VC_SCALE_MIN    0.25
  66 #define VC_SCALE_STEP   0.25
  67
  68 #if !defined(CONFIG_VTE)
  69 # define VTE_CHECK_VERSION(a, b, c) 0
  70 #endif
  71
  72 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
  73 /*
  74  * The gtk2 vte terminal widget seriously messes up the window resize
  75  * for some reason.  You basically can't make the qemu window smaller
  76  * any more because the toplevel window geoemtry hints are overridden.
  77  *
  78  * Workaround that by hiding all vte widgets, except the one in the
  79  * current tab.
  80  *
  81  * Luckily everything works smooth in gtk3.
  82  */
  83 # define VTE_RESIZE_HACK 1
  84 #endif
  85
  86 #if !GTK_CHECK_VERSION(2, 20, 0)
  87 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
  88 #endif
  89
  90 #ifndef GDK_IS_X11_DISPLAY
  91 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
  92 #endif
  93 #ifndef GDK_IS_WAYLAND_DISPLAY
  94 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy == dpy)
  95 #endif
  96 #ifndef GDK_IS_WIN32_DISPLAY
  97 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
  98 #endif
  99
 100 #if !GTK_CHECK_VERSION(2, 22, 0)
 101 #define GDK_KEY_0 GDK_0
 102 #define GDK_KEY_1 GDK_1
 103 #define GDK_KEY_2 GDK_2
 104 #define GDK_KEY_f GDK_f
 105 #define GDK_KEY_g GDK_g
 106 #define GDK_KEY_q GDK_q
 107 #define GDK_KEY_plus GDK_plus
 108 #define GDK_KEY_minus GDK_minus
 109 #define GDK_KEY_Pause GDK_Pause
 110 #define GDK_KEY_Delete GDK_Delete
 111 #endif
 112
 113 /* Some older mingw versions lack this constant or have
 114  * it conditionally defined */
 115 #ifdef _WIN32
 116 # ifndef MAPVK_VK_TO_VSC
 117 #  define MAPVK_VK_TO_VSC 0
 118 # endif
 119 #endif
 120
 121
 122 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 123
 124 static const int modifier_keycode[] = {
 125     /* shift, control, alt keys, meta keys, both left & right */
 126     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
 127 };
 128
 129 struct GtkDisplayState {
 130     GtkWidget *window;
 131
 132     GtkWidget *menu_bar;
 133
 134     GtkAccelGroup *accel_group;
 135
 136     GtkWidget *machine_menu_item;
 137     GtkWidget *machine_menu;
 138     GtkWidget *pause_item;
 139     GtkWidget *reset_item;
 140     GtkWidget *powerdown_item;
 141     GtkWidget *quit_item;
 142
 143     GtkWidget *view_menu_item;
 144     GtkWidget *view_menu;
 145     GtkWidget *full_screen_item;
 146     GtkWidget *copy_item;
 147     GtkWidget *zoom_in_item;
 148     GtkWidget *zoom_out_item;
 149     GtkWidget *zoom_fixed_item;
 150     GtkWidget *zoom_fit_item;
 151     GtkWidget *grab_item;
 152     GtkWidget *grab_on_hover_item;
 153
 154     int nb_vcs;
 155     VirtualConsole vc[MAX_VCS];
 156
 157     GtkWidget *show_tabs_item;
 158     GtkWidget *untabify_item;
 159
 160     GtkWidget *vbox;
 161     GtkWidget *notebook;
 162     int button_mask;
 163     gboolean last_set;
 164     int last_x;
 165     int last_y;
 166     int grab_x_root;
 167     int grab_y_root;
 168     VirtualConsole *kbd_owner;
 169     VirtualConsole *ptr_owner;
 170
 171     gboolean full_screen;
 172
 173     GdkCursor *null_cursor;
 174     Notifier mouse_mode_notifier;
 175     gboolean free_scale;
 176
 177     bool external_pause_update;
 178
 179     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
 180     bool has_evdev;
 181     bool ignore_keys;
 182 };
 183
 184 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 185 static void gd_ungrab_pointer(GtkDisplayState *s);
 186 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 187 static void gd_ungrab_keyboard(GtkDisplayState *s);
 188
 189 /** Utility Functions **/
 190
 191 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 192 {
 193     VirtualConsole *vc;
 194     gint i;
 195
 196     for (i = 0; i < s->nb_vcs; i++) {
 197         vc = &s->vc[i];
 198         if (gtk_check_menu_item_get_active
 199             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 200             return vc;
 201         }
 202     }
 203     return NULL;
 204 }
 205
 206 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 207 {
 208     VirtualConsole *vc;
 209     gint i, p;
 210
 211     for (i = 0; i < s->nb_vcs; i++) {
 212         vc = &s->vc[i];
 213         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 214         if (p == page) {
 215             return vc;
 216         }
 217     }
 218     return NULL;
 219 }
 220
 221 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 222 {
 223     gint page;
 224
 225     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 226     return gd_vc_find_by_page(s, page);
 227 }
 228
 229 static bool gd_is_grab_active(GtkDisplayState *s)
 230 {
 231     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 232 }
 233
 234 static bool gd_grab_on_hover(GtkDisplayState *s)
 235 {
 236     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 237 }
 238
 239 static void gd_update_cursor(VirtualConsole *vc)
 240 {
 241     GtkDisplayState *s = vc->s;
 242     GdkWindow *window;
 243
 244     if (vc->type != GD_VC_GFX ||
 245         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 246         return;
 247     }
 248
 249     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 250         return;
 251     }
 252
 253     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 254     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 255         gdk_window_set_cursor(window, s->null_cursor);
 256     } else {
 257         gdk_window_set_cursor(window, NULL);
 258     }
 259 }
 260
 261 static void gd_update_caption(GtkDisplayState *s)
 262 {
 263     const char *status = "";
 264     gchar *prefix;
 265     gchar *title;
 266     const char *grab = "";
 267     bool is_paused = !runstate_is_running();
 268     int i;
 269
 270     if (qemu_name) {
 271         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 272     } else {
 273         prefix = g_strdup_printf("QEMU");
 274     }
 275
 276     if (s->ptr_owner != NULL &&
 277         s->ptr_owner->window == NULL) {
 278         grab = _(" - Press Ctrl+Alt+G to release grab");
 279     }
 280
 281     if (is_paused) {
 282         status = _(" [Paused]");
 283     }
 284     s->external_pause_update = true;
 285     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 286                                    is_paused);
 287     s->external_pause_update = false;
 288
 289     title = g_strdup_printf("%s%s%s", prefix, status, grab);
 290     gtk_window_set_title(GTK_WINDOW(s->window), title);
 291     g_free(title);
 292
 293     for (i = 0; i < s->nb_vcs; i++) {
 294         VirtualConsole *vc = &s->vc[i];
 295
 296         if (!vc->window) {
 297             continue;
 298         }
 299         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 300                                 vc == s->kbd_owner ? " +kbd" : "",
 301                                 vc == s->ptr_owner ? " +ptr" : "");
 302         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 303         g_free(title);
 304     }
 305
 306     g_free(prefix);
 307 }
 308
 309 static void gd_update_geometry_hints(VirtualConsole *vc)
 310 {
 311     GtkDisplayState *s = vc->s;
 312     GdkWindowHints mask = 0;
 313     GdkGeometry geo = {};
 314     GtkWidget *geo_widget = NULL;
 315     GtkWindow *geo_window;
 316
 317     if (vc->type == GD_VC_GFX) {
 318         if (!vc->gfx.ds) {
 319             return;
 320         }
 321         if (s->free_scale) {
 322             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 323             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 324             mask |= GDK_HINT_MIN_SIZE;
 325         } else {
 326             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 327             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 328             mask |= GDK_HINT_MIN_SIZE;
 329         }
 330         geo_widget = vc->gfx.drawing_area;
 331         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 332
 333 #if defined(CONFIG_VTE)
 334     } else if (vc->type == GD_VC_VTE) {
 335         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 336         GtkBorder padding = { 0 };
 337
 338 #if VTE_CHECK_VERSION(0, 37, 0)
 339         gtk_style_context_get_padding(
 340                 gtk_widget_get_style_context(vc->vte.terminal),
 341                 gtk_widget_get_state_flags(vc->vte.terminal),
 342                 &padding);
 343 #else
 344         {
 345             GtkBorder *ib = NULL;
 346             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 347             if (ib) {
 348                 padding = *ib;
 349                 gtk_border_free(ib);
 350             }
 351         }
 352 #endif
 353
 354         geo.width_inc  = vte_terminal_get_char_width(term);
 355         geo.height_inc = vte_terminal_get_char_height(term);
 356         mask |= GDK_HINT_RESIZE_INC;
 357         geo.base_width  = geo.width_inc;
 358         geo.base_height = geo.height_inc;
 359         mask |= GDK_HINT_BASE_SIZE;
 360         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 361         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 362         mask |= GDK_HINT_MIN_SIZE;
 363
 364         geo.base_width  += padding.left + padding.right;
 365         geo.base_height += padding.top + padding.bottom;
 366         geo.min_width   += padding.left + padding.right;
 367         geo.min_height  += padding.top + padding.bottom;
 368         geo_widget = vc->vte.terminal;
 369 #endif
 370     }
 371
 372     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 373     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 374 }
 375
 376 void gd_update_windowsize(VirtualConsole *vc)
 377 {
 378     GtkDisplayState *s = vc->s;
 379
 380     gd_update_geometry_hints(vc);
 381
 382     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 383         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 384                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 385     }
 386 }
 387
 388 static void gd_update_full_redraw(VirtualConsole *vc)
 389 {
 390     GtkWidget *area = vc->gfx.drawing_area;
 391     int ww, wh;
 392     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
 393 #if defined(CONFIG_GTK_GL)
 394     if (vc->gfx.gls) {
 395         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 396         return;
 397     }
 398 #endif
 399     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 400 }
 401
 402 static void gtk_release_modifiers(GtkDisplayState *s)
 403 {
 404     VirtualConsole *vc = gd_vc_find_current(s);
 405     int i, keycode;
 406
 407     if (vc->type != GD_VC_GFX ||
 408         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 409         return;
 410     }
 411     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 412         keycode = modifier_keycode[i];
 413         if (!s->modifier_pressed[i]) {
 414             continue;
 415         }
 416         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
 417         s->modifier_pressed[i] = false;
 418     }
 419 }
 420
 421 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 422                                GtkWidget *widget)
 423 {
 424     g_object_ref(G_OBJECT(widget));
 425     gtk_container_remove(GTK_CONTAINER(from), widget);
 426     gtk_container_add(GTK_CONTAINER(to), widget);
 427     g_object_unref(G_OBJECT(widget));
 428 }
 429
 430 /** DisplayState Callbacks **/
 431
 432 static void gd_update(DisplayChangeListener *dcl,
 433                       int x, int y, int w, int h)
 434 {
 435     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 436     GdkWindow *win;
 437     int x1, x2, y1, y2;
 438     int mx, my;
 439     int fbw, fbh;
 440     int ww, wh;
 441
 442     trace_gd_update(vc->label, x, y, w, h);
 443
 444     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 445         return;
 446     }
 447
 448     if (vc->gfx.convert) {
 449         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 450                                NULL, vc->gfx.convert,
 451                                x, y, 0, 0, x, y, w, h);
 452     }
 453
 454     x1 = floor(x * vc->gfx.scale_x);
 455     y1 = floor(y * vc->gfx.scale_y);
 456
 457     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 458     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 459
 460     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 461     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 462
 463     win = gtk_widget_get_window(vc->gfx.drawing_area);
 464     if (!win) {
 465         return;
 466     }
 467     gdk_drawable_get_size(win, &ww, &wh);
 468
 469     mx = my = 0;
 470     if (ww > fbw) {
 471         mx = (ww - fbw) / 2;
 472     }
 473     if (wh > fbh) {
 474         my = (wh - fbh) / 2;
 475     }
 476
 477     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 478                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 479 }
 480
 481 static void gd_refresh(DisplayChangeListener *dcl)
 482 {
 483     graphic_hw_update(dcl->con);
 484 }
 485
 486 #if GTK_CHECK_VERSION(3, 0, 0)
 487 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
 488 {
 489 #if GTK_CHECK_VERSION(3, 20, 0)
 490     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
 491 #else
 492     return gdk_device_manager_get_client_pointer(
 493         gdk_display_get_device_manager(dpy));
 494 #endif
 495 }
 496
 497 static void gd_mouse_set(DisplayChangeListener *dcl,
 498                          int x, int y, int visible)
 499 {
 500     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 501     GdkDisplay *dpy;
 502     gint x_root, y_root;
 503
 504     if (qemu_input_is_absolute()) {
 505         return;
 506     }
 507
 508     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 509     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 510                                x, y, &x_root, &y_root);
 511     gdk_device_warp(gd_get_pointer(dpy),
 512                     gtk_widget_get_screen(vc->gfx.drawing_area),
 513                     x_root, y_root);
 514     vc->s->last_x = x;
 515     vc->s->last_y = y;
 516 }
 517 #else
 518 static void gd_mouse_set(DisplayChangeListener *dcl,
 519                          int x, int y, int visible)
 520 {
 521     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 522     gint x_root, y_root;
 523
 524     if (qemu_input_is_absolute()) {
 525         return;
 526     }
 527
 528     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 529                                x, y, &x_root, &y_root);
 530     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
 531                              gtk_widget_get_screen(vc->gfx.drawing_area),
 532                              x_root, y_root);
 533 }
 534 #endif
 535
 536 static void gd_cursor_define(DisplayChangeListener *dcl,
 537                              QEMUCursor *c)
 538 {
 539     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 540     GdkPixbuf *pixbuf;
 541     GdkCursor *cursor;
 542
 543     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 544         return;
 545     }
 546
 547     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 548                                       GDK_COLORSPACE_RGB, true, 8,
 549                                       c->width, c->height, c->width * 4,
 550                                       NULL, NULL);
 551     cursor = gdk_cursor_new_from_pixbuf
 552         (gtk_widget_get_display(vc->gfx.drawing_area),
 553          pixbuf, c->hot_x, c->hot_y);
 554     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 555     g_object_unref(pixbuf);
 556 #if !GTK_CHECK_VERSION(3, 0, 0)
 557     gdk_cursor_unref(cursor);
 558 #else
 559     g_object_unref(cursor);
 560 #endif
 561 }
 562
 563 static void gd_switch(DisplayChangeListener *dcl,
 564                       DisplaySurface *surface)
 565 {
 566     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 567     bool resized = true;
 568
 569     trace_gd_switch(vc->label,
 570                     surface ? surface_width(surface)  : 0,
 571                     surface ? surface_height(surface) : 0);
 572
 573     if (vc->gfx.surface) {
 574         cairo_surface_destroy(vc->gfx.surface);
 575         vc->gfx.surface = NULL;
 576     }
 577     if (vc->gfx.convert) {
 578         pixman_image_unref(vc->gfx.convert);
 579         vc->gfx.convert = NULL;
 580     }
 581
 582     if (vc->gfx.ds && surface &&
 583         surface_width(vc->gfx.ds) == surface_width(surface) &&
 584         surface_height(vc->gfx.ds) == surface_height(surface)) {
 585         resized = false;
 586     }
 587     vc->gfx.ds = surface;
 588
 589     if (!surface) {
 590         return;
 591     }
 592
 593     if (surface->format == PIXMAN_x8r8g8b8) {
 594         /*
 595          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 596          *
 597          * No need to convert, use surface directly.  Should be the
 598          * common case as this is qemu_default_pixelformat(32) too.
 599          */
 600         vc->gfx.surface = cairo_image_surface_create_for_data
 601             (surface_data(surface),
 602              CAIRO_FORMAT_RGB24,
 603              surface_width(surface),
 604              surface_height(surface),
 605              surface_stride(surface));
 606     } else {
 607         /* Must convert surface, use pixman to do it. */
 608         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 609                                                    surface_width(surface),
 610                                                    surface_height(surface),
 611                                                    NULL, 0);
 612         vc->gfx.surface = cairo_image_surface_create_for_data
 613             ((void *)pixman_image_get_data(vc->gfx.convert),
 614              CAIRO_FORMAT_RGB24,
 615              pixman_image_get_width(vc->gfx.convert),
 616              pixman_image_get_height(vc->gfx.convert),
 617              pixman_image_get_stride(vc->gfx.convert));
 618         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 619                                NULL, vc->gfx.convert,
 620                                0, 0, 0, 0, 0, 0,
 621                                pixman_image_get_width(vc->gfx.convert),
 622                                pixman_image_get_height(vc->gfx.convert));
 623     }
 624
 625     if (resized) {
 626         gd_update_windowsize(vc);
 627     } else {
 628         gd_update_full_redraw(vc);
 629     }
 630 }
 631
 632 static const DisplayChangeListenerOps dcl_ops = {
 633     .dpy_name             = "gtk",
 634     .dpy_gfx_update       = gd_update,
 635     .dpy_gfx_switch       = gd_switch,
 636     .dpy_gfx_check_format = qemu_pixman_check_format,
 637     .dpy_refresh          = gd_refresh,
 638     .dpy_mouse_set        = gd_mouse_set,
 639     .dpy_cursor_define    = gd_cursor_define,
 640 };
 641
 642
 643 #if defined(CONFIG_OPENGL)
 644
 645 /** DisplayState Callbacks (opengl version) **/
 646
 647 #if defined(CONFIG_GTK_GL)
 648
 649 static const DisplayChangeListenerOps dcl_gl_area_ops = {
 650     .dpy_name             = "gtk-egl",
 651     .dpy_gfx_update       = gd_gl_area_update,
 652     .dpy_gfx_switch       = gd_gl_area_switch,
 653     .dpy_gfx_check_format = console_gl_check_format,
 654     .dpy_refresh          = gd_gl_area_refresh,
 655     .dpy_mouse_set        = gd_mouse_set,
 656     .dpy_cursor_define    = gd_cursor_define,
 657
 658     .dpy_gl_ctx_create       = gd_gl_area_create_context,
 659     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 660     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 661     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
 662     .dpy_gl_scanout          = gd_gl_area_scanout,
 663     .dpy_gl_update           = gd_gl_area_scanout_flush,
 664 };
 665
 666 #else
 667
 668 static const DisplayChangeListenerOps dcl_egl_ops = {
 669     .dpy_name             = "gtk-egl",
 670     .dpy_gfx_update       = gd_egl_update,
 671     .dpy_gfx_switch       = gd_egl_switch,
 672     .dpy_gfx_check_format = console_gl_check_format,
 673     .dpy_refresh          = gd_egl_refresh,
 674     .dpy_mouse_set        = gd_mouse_set,
 675     .dpy_cursor_define    = gd_cursor_define,
 676
 677     .dpy_gl_ctx_create       = gd_egl_create_context,
 678     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 679     .dpy_gl_ctx_make_current = gd_egl_make_current,
 680     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
 681     .dpy_gl_scanout          = gd_egl_scanout,
 682     .dpy_gl_update           = gd_egl_scanout_flush,
 683 };
 684
 685 #endif /* CONFIG_GTK_GL */
 686 #endif /* CONFIG_OPENGL */
 687
 688 /** QEMU Events **/
 689
 690 static void gd_change_runstate(void *opaque, int running, RunState state)
 691 {
 692     GtkDisplayState *s = opaque;
 693
 694     gd_update_caption(s);
 695 }
 696
 697 static void gd_mouse_mode_change(Notifier *notify, void *data)
 698 {
 699     GtkDisplayState *s;
 700     int i;
 701
 702     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 703     /* release the grab at switching to absolute mode */
 704     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 705         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 706                                        FALSE);
 707     }
 708     for (i = 0; i < s->nb_vcs; i++) {
 709         VirtualConsole *vc = &s->vc[i];
 710         gd_update_cursor(vc);
 711     }
 712 }
 713
 714 /** GTK Events **/
 715
 716 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 717                                 void *opaque)
 718 {
 719     GtkDisplayState *s = opaque;
 720     int i;
 721
 722     if (!no_quit) {
 723         for (i = 0; i < s->nb_vcs; i++) {
 724             if (s->vc[i].type != GD_VC_GFX) {
 725                 continue;
 726             }
 727             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
 728         }
 729         qmp_quit(NULL);
 730         return FALSE;
 731     }
 732
 733     return TRUE;
 734 }
 735
 736 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 737 {
 738     QemuUIInfo info;
 739
 740     memset(&info, 0, sizeof(info));
 741     info.width = width;
 742     info.height = height;
 743     dpy_set_ui_info(vc->gfx.dcl.con, &info);
 744 }
 745
 746 #if defined(CONFIG_GTK_GL)
 747
 748 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 749                                 void *opaque)
 750 {
 751     VirtualConsole *vc = opaque;
 752
 753     if (vc->gfx.gls) {
 754         gd_gl_area_draw(vc);
 755     }
 756     return TRUE;
 757 }
 758
 759 static void gd_resize_event(GtkGLArea *area,
 760                             gint width, gint height, gpointer *opaque)
 761 {
 762     VirtualConsole *vc = (void *)opaque;
 763
 764     gd_set_ui_info(vc, width, height);
 765 }
 766
 767 #endif
 768
 769 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 770 {
 771     VirtualConsole *vc = opaque;
 772     GtkDisplayState *s = vc->s;
 773     int mx, my;
 774     int ww, wh;
 775     int fbw, fbh;
 776
 777 #if defined(CONFIG_OPENGL)
 778     if (vc->gfx.gls) {
 779 #if defined(CONFIG_GTK_GL)
 780         /* invoke render callback please */
 781         return FALSE;
 782 #else
 783         gd_egl_draw(vc);
 784         return TRUE;
 785 #endif
 786     }
 787 #endif
 788
 789     if (!gtk_widget_get_realized(widget)) {
 790         return FALSE;
 791     }
 792     if (!vc->gfx.ds) {
 793         return FALSE;
 794     }
 795
 796     fbw = surface_width(vc->gfx.ds);
 797     fbh = surface_height(vc->gfx.ds);
 798
 799     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
 800
 801     if (s->full_screen) {
 802         vc->gfx.scale_x = (double)ww / fbw;
 803         vc->gfx.scale_y = (double)wh / fbh;
 804     } else if (s->free_scale) {
 805         double sx, sy;
 806
 807         sx = (double)ww / fbw;
 808         sy = (double)wh / fbh;
 809
 810         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 811     }
 812
 813     fbw *= vc->gfx.scale_x;
 814     fbh *= vc->gfx.scale_y;
 815
 816     mx = my = 0;
 817     if (ww > fbw) {
 818         mx = (ww - fbw) / 2;
 819     }
 820     if (wh > fbh) {
 821         my = (wh - fbh) / 2;
 822     }
 823
 824     cairo_rectangle(cr, 0, 0, ww, wh);
 825
 826     /* Optionally cut out the inner area where the pixmap
 827        will be drawn. This avoids 'flashing' since we're
 828        not double-buffering. Note we're using the undocumented
 829        behaviour of drawing the rectangle from right to left
 830        to cut out the whole */
 831     cairo_rectangle(cr, mx + fbw, my,
 832                     -1 * fbw, fbh);
 833     cairo_fill(cr);
 834
 835     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 836     cairo_set_source_surface(cr, vc->gfx.surface,
 837                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 838     cairo_paint(cr);
 839
 840     return TRUE;
 841 }
 842
 843 #if !GTK_CHECK_VERSION(3, 0, 0)
 844 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
 845                                 void *opaque)
 846 {
 847     cairo_t *cr;
 848     gboolean ret;
 849
 850     cr = gdk_cairo_create(gtk_widget_get_window(widget));
 851     cairo_rectangle(cr,
 852                     expose->area.x,
 853                     expose->area.y,
 854                     expose->area.width,
 855                     expose->area.height);
 856     cairo_clip(cr);
 857
 858     ret = gd_draw_event(widget, cr, opaque);
 859
 860     cairo_destroy(cr);
 861
 862     return ret;
 863 }
 864 #endif
 865
 866 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 867                                 void *opaque)
 868 {
 869     VirtualConsole *vc = opaque;
 870     GtkDisplayState *s = vc->s;
 871     int x, y;
 872     int mx, my;
 873     int fbh, fbw;
 874     int ww, wh;
 875
 876     if (!vc->gfx.ds) {
 877         return TRUE;
 878     }
 879
 880     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 881     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 882
 883     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
 884                           &ww, &wh);
 885
 886     mx = my = 0;
 887     if (ww > fbw) {
 888         mx = (ww - fbw) / 2;
 889     }
 890     if (wh > fbh) {
 891         my = (wh - fbh) / 2;
 892     }
 893
 894     x = (motion->x - mx) / vc->gfx.scale_x;
 895     y = (motion->y - my) / vc->gfx.scale_y;
 896
 897     if (qemu_input_is_absolute()) {
 898         if (x < 0 || y < 0 ||
 899             x >= surface_width(vc->gfx.ds) ||
 900             y >= surface_height(vc->gfx.ds)) {
 901             return TRUE;
 902         }
 903         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 904                              surface_width(vc->gfx.ds));
 905         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 906                              surface_height(vc->gfx.ds));
 907         qemu_input_event_sync();
 908     } else if (s->last_set && s->ptr_owner == vc) {
 909         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 910         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 911         qemu_input_event_sync();
 912     }
 913     s->last_x = x;
 914     s->last_y = y;
 915     s->last_set = TRUE;
 916
 917     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 918         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 919         int screen_width, screen_height;
 920
 921         int x = (int)motion->x_root;
 922         int y = (int)motion->y_root;
 923
 924 #if GTK_CHECK_VERSION(3, 22, 0)
 925         {
 926             GdkDisplay *dpy = gtk_widget_get_display(widget);
 927             GdkWindow *win = gtk_widget_get_window(widget);
 928             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 929             GdkRectangle geometry;
 930             gdk_monitor_get_geometry(monitor, &geometry);
 931             screen_width = geometry.width;
 932             screen_height = geometry.height;
 933         }
 934 #else
 935         {
 936             screen_width = gdk_screen_get_width(screen);
 937             screen_height = gdk_screen_get_height(screen);
 938         }
 939 #endif
 940
 941         /* In relative mode check to see if client pointer hit
 942          * one of the screen edges, and if so move it back by
 943          * 200 pixels. This is important because the pointer
 944          * in the server doesn't correspond 1-for-1, and so
 945          * may still be only half way across the screen. Without
 946          * this warp, the server pointer would thus appear to hit
 947          * an invisible wall */
 948         if (x == 0) {
 949             x += 200;
 950         }
 951         if (y == 0) {
 952             y += 200;
 953         }
 954         if (x == (screen_width - 1)) {
 955             x -= 200;
 956         }
 957         if (y == (screen_height - 1)) {
 958             y -= 200;
 959         }
 960
 961         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 962 #if GTK_CHECK_VERSION(3, 0, 0)
 963             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 964             gdk_device_warp(dev, screen, x, y);
 965 #else
 966             GdkDisplay *display = gtk_widget_get_display(widget);
 967             gdk_display_warp_pointer(display, screen, x, y);
 968 #endif
 969             s->last_set = FALSE;
 970             return FALSE;
 971         }
 972     }
 973     return TRUE;
 974 }
 975
 976 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 977                                 void *opaque)
 978 {
 979     VirtualConsole *vc = opaque;
 980     GtkDisplayState *s = vc->s;
 981     InputButton btn;
 982
 983     /* implicitly grab the input at the first click in the relative mode */
 984     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 985         !qemu_input_is_absolute() && s->ptr_owner != vc) {
 986         if (!vc->window) {
 987             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 988                                            TRUE);
 989         } else {
 990             gd_grab_pointer(vc, "relative-mode-click");
 991         }
 992         return TRUE;
 993     }
 994
 995     if (button->button == 1) {
 996         btn = INPUT_BUTTON_LEFT;
 997     } else if (button->button == 2) {
 998         btn = INPUT_BUTTON_MIDDLE;
 999     } else if (button->button == 3) {
1000         btn = INPUT_BUTTON_RIGHT;
1001     } else {
1002         return TRUE;
1003     }
1004
1005     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
1006                          button->type == GDK_BUTTON_PRESS);
1007     qemu_input_event_sync();
1008     return TRUE;
1009 }
1010
1011 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1012                                 void *opaque)
1013 {
1014     VirtualConsole *vc = opaque;
1015     InputButton btn;
1016
1017     if (scroll->direction == GDK_SCROLL_UP) {
1018         btn = INPUT_BUTTON_WHEEL_UP;
1019     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1020         btn = INPUT_BUTTON_WHEEL_DOWN;
1021     } else {
1022         return TRUE;
1023     }
1024
1025     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1026     qemu_input_event_sync();
1027     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1028     qemu_input_event_sync();
1029     return TRUE;
1030 }
1031
1032 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
1033 {
1034     int qemu_keycode;
1035
1036 #ifdef GDK_WINDOWING_WIN32
1037     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1038         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
1039         switch (qemu_keycode) {
1040         case 103:   /* alt gr */
1041             qemu_keycode = 56 | SCANCODE_GREY;
1042             break;
1043         }
1044         return qemu_keycode;
1045     }
1046 #endif
1047
1048     if (gdk_keycode < 9) {
1049         qemu_keycode = 0;
1050     } else if (gdk_keycode < 97) {
1051         qemu_keycode = gdk_keycode - 8;
1052 #ifdef GDK_WINDOWING_X11
1053     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
1054         if (s->has_evdev) {
1055             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1056         } else {
1057             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
1058         }
1059 #endif
1060 #ifdef GDK_WINDOWING_WAYLAND
1061     } else if (GDK_IS_WAYLAND_DISPLAY(dpy) && gdk_keycode < 158) {
1062         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1063 #endif
1064     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
1065         qemu_keycode = 0x70;
1066     } else if (gdk_keycode == 211) { /* backslash */
1067         qemu_keycode = 0x73;
1068     } else {
1069         qemu_keycode = 0;
1070     }
1071
1072     return qemu_keycode;
1073 }
1074
1075 static gboolean gd_text_key_down(GtkWidget *widget,
1076                                  GdkEventKey *key, void *opaque)
1077 {
1078     VirtualConsole *vc = opaque;
1079     QemuConsole *con = vc->gfx.dcl.con;
1080
1081     if (key->keyval == GDK_KEY_Delete) {
1082         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE);
1083     } else if (key->length) {
1084         kbd_put_string_console(con, key->string, key->length);
1085     } else {
1086         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
1087                                  key->hardware_keycode);
1088         int qcode = qemu_input_key_number_to_qcode(num);
1089         kbd_put_qcode_console(con, qcode);
1090     }
1091     return TRUE;
1092 }
1093
1094 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1095 {
1096     VirtualConsole *vc = opaque;
1097     GtkDisplayState *s = vc->s;
1098     int gdk_keycode = key->hardware_keycode;
1099     int qemu_keycode;
1100     int i;
1101
1102     if (s->ignore_keys) {
1103         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1104         return TRUE;
1105     }
1106
1107     if (key->keyval == GDK_KEY_Pause) {
1108         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1109                                         key->type == GDK_KEY_PRESS);
1110         return TRUE;
1111     }
1112
1113     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
1114                                   gdk_keycode);
1115
1116     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
1117                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1118
1119     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1120         if (qemu_keycode == modifier_keycode[i]) {
1121             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1122         }
1123     }
1124
1125     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
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 #if !GTK_CHECK_VERSION(3, 0, 0)
1192     /* GTK2 sends the accel key to the target console - ignore this until */
1193     vc->s->ignore_keys = true;
1194 #endif
1195 }
1196
1197 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1198 {
1199     GtkDisplayState *s = opaque;
1200     VirtualConsole *vc = gd_vc_find_current(s);
1201
1202     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1203         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1204     } else {
1205         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1206     }
1207     gd_update_windowsize(vc);
1208 }
1209
1210 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1211                                     void *opaque)
1212 {
1213     VirtualConsole *vc = opaque;
1214     GtkDisplayState *s = vc->s;
1215
1216     gtk_widget_set_sensitive(vc->menu_item, true);
1217     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1218     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1219                                     vc->tab_item, vc->label);
1220     gtk_widget_destroy(vc->window);
1221     vc->window = NULL;
1222     return TRUE;
1223 }
1224
1225 static gboolean gd_win_grab(void *opaque)
1226 {
1227     VirtualConsole *vc = opaque;
1228
1229     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1230     if (vc->s->ptr_owner) {
1231         gd_ungrab_pointer(vc->s);
1232     } else {
1233         gd_grab_pointer(vc, "user-request-detached-tab");
1234     }
1235     return TRUE;
1236 }
1237
1238 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1239 {
1240     GtkDisplayState *s = opaque;
1241     VirtualConsole *vc = gd_vc_find_current(s);
1242
1243     if (vc->type == GD_VC_GFX &&
1244         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1245         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1246                                        FALSE);
1247     }
1248     if (!vc->window) {
1249         gtk_widget_set_sensitive(vc->menu_item, false);
1250         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1251         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1252
1253         g_signal_connect(vc->window, "delete-event",
1254                          G_CALLBACK(gd_tab_window_close), vc);
1255         gtk_widget_show_all(vc->window);
1256
1257         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1258             GtkAccelGroup *ag = gtk_accel_group_new();
1259             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1260
1261             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1262                                                vc, NULL);
1263             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1264         }
1265
1266         gd_update_geometry_hints(vc);
1267         gd_update_caption(s);
1268     }
1269 }
1270
1271 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1272 {
1273     GtkDisplayState *s = opaque;
1274     VirtualConsole *vc = gd_vc_find_current(s);
1275
1276     if (!s->full_screen) {
1277         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1278         gtk_widget_hide(s->menu_bar);
1279         if (vc->type == GD_VC_GFX) {
1280             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1281         }
1282         gtk_window_fullscreen(GTK_WINDOW(s->window));
1283         s->full_screen = TRUE;
1284     } else {
1285         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1286         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1287         gtk_widget_show(s->menu_bar);
1288         s->full_screen = FALSE;
1289         if (vc->type == GD_VC_GFX) {
1290             vc->gfx.scale_x = 1.0;
1291             vc->gfx.scale_y = 1.0;
1292             gd_update_windowsize(vc);
1293         }
1294     }
1295
1296     gd_update_cursor(vc);
1297 }
1298
1299 static void gd_accel_full_screen(void *opaque)
1300 {
1301     GtkDisplayState *s = opaque;
1302     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1303 }
1304
1305 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1306 {
1307     GtkDisplayState *s = opaque;
1308     VirtualConsole *vc = gd_vc_find_current(s);
1309
1310     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1311                                    FALSE);
1312
1313     vc->gfx.scale_x += VC_SCALE_STEP;
1314     vc->gfx.scale_y += VC_SCALE_STEP;
1315
1316     gd_update_windowsize(vc);
1317 }
1318
1319 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1320 {
1321     GtkDisplayState *s = opaque;
1322     VirtualConsole *vc = gd_vc_find_current(s);
1323
1324     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1325                                    FALSE);
1326
1327     vc->gfx.scale_x -= VC_SCALE_STEP;
1328     vc->gfx.scale_y -= VC_SCALE_STEP;
1329
1330     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1331     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1332
1333     gd_update_windowsize(vc);
1334 }
1335
1336 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1337 {
1338     GtkDisplayState *s = opaque;
1339     VirtualConsole *vc = gd_vc_find_current(s);
1340
1341     vc->gfx.scale_x = 1.0;
1342     vc->gfx.scale_y = 1.0;
1343
1344     gd_update_windowsize(vc);
1345 }
1346
1347 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1348 {
1349     GtkDisplayState *s = opaque;
1350     VirtualConsole *vc = gd_vc_find_current(s);
1351
1352     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1353         s->free_scale = TRUE;
1354     } else {
1355         s->free_scale = FALSE;
1356         vc->gfx.scale_x = 1.0;
1357         vc->gfx.scale_y = 1.0;
1358     }
1359
1360     gd_update_windowsize(vc);
1361     gd_update_full_redraw(vc);
1362 }
1363
1364 #if GTK_CHECK_VERSION(3, 20, 0)
1365 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1366 {
1367     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1368     GdkSeat *seat = gdk_display_get_default_seat(display);
1369     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1370     GdkSeatCapabilities caps = 0;
1371     GdkCursor *cursor = NULL;
1372
1373     if (kbd) {
1374         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1375     }
1376     if (ptr) {
1377         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1378         cursor = vc->s->null_cursor;
1379     }
1380
1381     if (caps) {
1382         gdk_seat_grab(seat, window, caps, false, cursor,
1383                       NULL, NULL, NULL);
1384     } else {
1385         gdk_seat_ungrab(seat);
1386     }
1387 }
1388 #elif GTK_CHECK_VERSION(3, 0, 0)
1389 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1390                             GdkInputSource source, GdkEventMask mask,
1391                             GdkCursor *cursor)
1392 {
1393     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1394     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1395     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1396     GList *tmp = devs;
1397
1398     for (tmp = devs; tmp; tmp = tmp->next) {
1399         GdkDevice *dev = tmp->data;
1400         if (gdk_device_get_source(dev) != source) {
1401             continue;
1402         }
1403         if (grab) {
1404             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1405             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1406                             mask, cursor, GDK_CURRENT_TIME);
1407         } else {
1408             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1409         }
1410     }
1411     g_list_free(devs);
1412 }
1413 #endif
1414
1415 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1416 {
1417     if (vc->s->kbd_owner) {
1418         if (vc->s->kbd_owner == vc) {
1419             return;
1420         } else {
1421             gd_ungrab_keyboard(vc->s);
1422         }
1423     }
1424
1425 #if GTK_CHECK_VERSION(3, 20, 0)
1426     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1427 #elif GTK_CHECK_VERSION(3, 0, 0)
1428     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1429                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1430                    NULL);
1431 #else
1432     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1433                       FALSE,
1434                       GDK_CURRENT_TIME);
1435 #endif
1436     vc->s->kbd_owner = vc;
1437     gd_update_caption(vc->s);
1438     trace_gd_grab(vc->label, "kbd", reason);
1439 }
1440
1441 static void gd_ungrab_keyboard(GtkDisplayState *s)
1442 {
1443     VirtualConsole *vc = s->kbd_owner;
1444
1445     if (vc == NULL) {
1446         return;
1447     }
1448     s->kbd_owner = NULL;
1449
1450 #if GTK_CHECK_VERSION(3, 20, 0)
1451     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1452 #elif GTK_CHECK_VERSION(3, 0, 0)
1453     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1454 #else
1455     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1456 #endif
1457     gd_update_caption(s);
1458     trace_gd_ungrab(vc->label, "kbd");
1459 }
1460
1461 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1462 {
1463     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1464
1465     if (vc->s->ptr_owner) {
1466         if (vc->s->ptr_owner == vc) {
1467             return;
1468         } else {
1469             gd_ungrab_pointer(vc->s);
1470         }
1471     }
1472
1473 #if GTK_CHECK_VERSION(3, 20, 0)
1474     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1475     gdk_device_get_position(gd_get_pointer(display),
1476                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1477 #elif GTK_CHECK_VERSION(3, 0, 0)
1478     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1479                     GDK_POINTER_MOTION_MASK |
1480                     GDK_BUTTON_PRESS_MASK |
1481                     GDK_BUTTON_RELEASE_MASK |
1482                     GDK_BUTTON_MOTION_MASK |
1483                     GDK_SCROLL_MASK,
1484                     vc->s->null_cursor);
1485     gdk_device_get_position(gd_get_pointer(display),
1486                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1487 #else
1488     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1489                      FALSE, /* All events to come to our window directly */
1490                      GDK_POINTER_MOTION_MASK |
1491                      GDK_BUTTON_PRESS_MASK |
1492                      GDK_BUTTON_RELEASE_MASK |
1493                      GDK_BUTTON_MOTION_MASK |
1494                      GDK_SCROLL_MASK,
1495                      NULL, /* Allow cursor to move over entire desktop */
1496                      vc->s->null_cursor,
1497                      GDK_CURRENT_TIME);
1498     gdk_display_get_pointer(display, NULL,
1499                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1500 #endif
1501     vc->s->ptr_owner = vc;
1502     gd_update_caption(vc->s);
1503     trace_gd_grab(vc->label, "ptr", reason);
1504 }
1505
1506 static void gd_ungrab_pointer(GtkDisplayState *s)
1507 {
1508     VirtualConsole *vc = s->ptr_owner;
1509     GdkDisplay *display;
1510
1511     if (vc == NULL) {
1512         return;
1513     }
1514     s->ptr_owner = NULL;
1515
1516     display = gtk_widget_get_display(vc->gfx.drawing_area);
1517 #if GTK_CHECK_VERSION(3, 20, 0)
1518     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1519     gdk_device_warp(gd_get_pointer(display),
1520                     gtk_widget_get_screen(vc->gfx.drawing_area),
1521                     vc->s->grab_x_root, vc->s->grab_y_root);
1522 #elif GTK_CHECK_VERSION(3, 0, 0)
1523     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1524     gdk_device_warp(gd_get_pointer(display),
1525                     gtk_widget_get_screen(vc->gfx.drawing_area),
1526                     vc->s->grab_x_root, vc->s->grab_y_root);
1527 #else
1528     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1529     gdk_display_warp_pointer(display,
1530                              gtk_widget_get_screen(vc->gfx.drawing_area),
1531                              vc->s->grab_x_root, vc->s->grab_y_root);
1532 #endif
1533     gd_update_caption(s);
1534     trace_gd_ungrab(vc->label, "ptr");
1535 }
1536
1537 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1538 {
1539     GtkDisplayState *s = opaque;
1540     VirtualConsole *vc = gd_vc_find_current(s);
1541
1542     if (gd_is_grab_active(s)) {
1543         gd_grab_keyboard(vc, "user-request-main-window");
1544         gd_grab_pointer(vc, "user-request-main-window");
1545     } else {
1546         gd_ungrab_keyboard(s);
1547         gd_ungrab_pointer(s);
1548     }
1549
1550     gd_update_cursor(vc);
1551 }
1552
1553 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1554                            gpointer data)
1555 {
1556     GtkDisplayState *s = data;
1557     VirtualConsole *vc;
1558     gboolean on_vga;
1559
1560     if (!gtk_widget_get_realized(s->notebook)) {
1561         return;
1562     }
1563
1564 #ifdef VTE_RESIZE_HACK
1565     vc = gd_vc_find_current(s);
1566     if (vc && vc->type == GD_VC_VTE) {
1567         gtk_widget_hide(vc->vte.terminal);
1568     }
1569 #endif
1570     vc = gd_vc_find_by_page(s, arg2);
1571     if (!vc) {
1572         return;
1573     }
1574 #ifdef VTE_RESIZE_HACK
1575     if (vc->type == GD_VC_VTE) {
1576         gtk_widget_show(vc->vte.terminal);
1577     }
1578 #endif
1579     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1580                                    TRUE);
1581     on_vga = (vc->type == GD_VC_GFX &&
1582               qemu_console_is_graphic(vc->gfx.dcl.con));
1583     if (!on_vga) {
1584         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1585                                        FALSE);
1586     } else if (s->full_screen) {
1587         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1588                                        TRUE);
1589     }
1590     gtk_widget_set_sensitive(s->grab_item, on_vga);
1591 #ifdef CONFIG_VTE
1592     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1593 #endif
1594
1595     gd_update_windowsize(vc);
1596     gd_update_cursor(vc);
1597 }
1598
1599 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1600                                gpointer opaque)
1601 {
1602     VirtualConsole *vc = opaque;
1603     GtkDisplayState *s = vc->s;
1604
1605     if (gd_grab_on_hover(s)) {
1606         gd_grab_keyboard(vc, "grab-on-hover");
1607     }
1608     return TRUE;
1609 }
1610
1611 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1612                                gpointer opaque)
1613 {
1614     VirtualConsole *vc = opaque;
1615     GtkDisplayState *s = vc->s;
1616
1617     if (gd_grab_on_hover(s)) {
1618         gd_ungrab_keyboard(s);
1619     }
1620     return TRUE;
1621 }
1622
1623 static gboolean gd_focus_out_event(GtkWidget *widget,
1624                                    GdkEventCrossing *crossing, gpointer opaque)
1625 {
1626     VirtualConsole *vc = opaque;
1627     GtkDisplayState *s = vc->s;
1628
1629     gtk_release_modifiers(s);
1630     return TRUE;
1631 }
1632
1633 static gboolean gd_configure(GtkWidget *widget,
1634                              GdkEventConfigure *cfg, gpointer opaque)
1635 {
1636     VirtualConsole *vc = opaque;
1637
1638     gd_set_ui_info(vc, cfg->width, cfg->height);
1639     return FALSE;
1640 }
1641
1642 /** Virtual Console Callbacks **/
1643
1644 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1645                                int idx, GSList *group, GtkWidget *view_menu)
1646 {
1647     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1648     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1649             HOTKEY_MODIFIERS, 0,
1650             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1651 #if GTK_CHECK_VERSION(3, 8, 0)
1652     gtk_accel_label_set_accel(
1653             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1654             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1655 #endif
1656
1657     g_signal_connect(vc->menu_item, "activate",
1658                      G_CALLBACK(gd_menu_switch_vc), s);
1659     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1660
1661     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1662     return group;
1663 }
1664
1665 #if defined(CONFIG_VTE)
1666 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1667 {
1668     GtkDisplayState *s = opaque;
1669     VirtualConsole *vc = gd_vc_find_current(s);
1670
1671     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1672 }
1673
1674 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1675 {
1676     VirtualConsole *vc = opaque;
1677
1678     if (gtk_adjustment_get_upper(adjustment) >
1679         gtk_adjustment_get_page_size(adjustment)) {
1680         gtk_widget_show(vc->vte.scrollbar);
1681     } else {
1682         gtk_widget_hide(vc->vte.scrollbar);
1683     }
1684 }
1685
1686 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1687 {
1688     VirtualConsole *vc = chr->opaque;
1689
1690     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1691     return len;
1692 }
1693
1694 static void gd_vc_chr_set_echo(CharDriverState *chr, bool echo)
1695 {
1696     VirtualConsole *vc = chr->opaque;
1697
1698     vc->vte.echo = echo;
1699 }
1700
1701 static int nb_vcs;
1702 static CharDriverState *vcs[MAX_VCS];
1703
1704 static CharDriverState *gd_vc_handler(ChardevVC *vc, Error **errp)
1705 {
1706     ChardevCommon *common = qapi_ChardevVC_base(vc);
1707     CharDriverState *chr;
1708
1709     chr = qemu_chr_alloc(common, errp);
1710     if (!chr) {
1711         return NULL;
1712     }
1713
1714     chr->chr_write = gd_vc_chr_write;
1715     chr->chr_set_echo = gd_vc_chr_set_echo;
1716
1717     /* Temporary, until gd_vc_vte_init runs.  */
1718     chr->opaque = g_new0(VirtualConsole, 1);
1719
1720     vcs[nb_vcs++] = chr;
1721
1722     return chr;
1723 }
1724
1725 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1726                          gpointer user_data)
1727 {
1728     VirtualConsole *vc = user_data;
1729
1730     if (vc->vte.echo) {
1731         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1732         int i;
1733         for (i = 0; i < size; i++) {
1734             uint8_t c = text[i];
1735             if (c >= 128 || isprint(c)) {
1736                 /* 8-bit characters are considered printable.  */
1737                 vte_terminal_feed(term, &text[i], 1);
1738             } else if (c == '\r' || c == '\n') {
1739                 vte_terminal_feed(term, "\r\n", 2);
1740             } else {
1741                 char ctrl[2] = { '^', 0};
1742                 ctrl[1] = text[i] ^ 64;
1743                 vte_terminal_feed(term, ctrl, 2);
1744             }
1745         }
1746     }
1747
1748     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1749     return TRUE;
1750 }
1751
1752 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1753                               CharDriverState *chr, int idx,
1754                               GSList *group, GtkWidget *view_menu)
1755 {
1756     char buffer[32];
1757     GtkWidget *box;
1758     GtkWidget *scrollbar;
1759     GtkAdjustment *vadjustment;
1760     VirtualConsole *tmp_vc = chr->opaque;
1761
1762     vc->s = s;
1763     vc->vte.echo = tmp_vc->vte.echo;
1764
1765     vc->vte.chr = chr;
1766     chr->opaque = vc;
1767     g_free(tmp_vc);
1768
1769     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1770     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1771                                 ? vc->vte.chr->label : buffer);
1772     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1773
1774     vc->vte.terminal = vte_terminal_new();
1775     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1776
1777     /* The documentation says that the default is UTF-8, but actually it is
1778      * 7-bit ASCII at least in VTE 0.38.
1779      */
1780 #if VTE_CHECK_VERSION(0, 38, 0)
1781     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1782 #else
1783     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1784 #endif
1785
1786     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1787     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1788                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1789
1790 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1791     vadjustment = gtk_scrollable_get_vadjustment
1792         (GTK_SCROLLABLE(vc->vte.terminal));
1793 #else
1794     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1795 #endif
1796
1797 #if GTK_CHECK_VERSION(3, 0, 0)
1798     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1799     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1800 #else
1801     box = gtk_hbox_new(false, 2);
1802     scrollbar = gtk_vscrollbar_new(vadjustment);
1803 #endif
1804
1805     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1806     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1807
1808     vc->vte.box = box;
1809     vc->vte.scrollbar = scrollbar;
1810
1811     g_signal_connect(vadjustment, "changed",
1812                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1813
1814     vc->type = GD_VC_VTE;
1815     vc->tab_item = box;
1816     vc->focus = vc->vte.terminal;
1817     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1818                              gtk_label_new(vc->label));
1819
1820     qemu_chr_be_generic_open(vc->vte.chr);
1821
1822     return group;
1823 }
1824
1825 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1826                         GtkWidget *view_menu)
1827 {
1828     int i;
1829
1830     for (i = 0; i < nb_vcs; i++) {
1831         VirtualConsole *vc = &s->vc[s->nb_vcs];
1832         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1833         s->nb_vcs++;
1834     }
1835 }
1836 #endif /* CONFIG_VTE */
1837
1838 /** Window Creation **/
1839
1840 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1841 {
1842 #if GTK_CHECK_VERSION(3, 0, 0)
1843     g_signal_connect(vc->gfx.drawing_area, "draw",
1844                      G_CALLBACK(gd_draw_event), vc);
1845 #if defined(CONFIG_GTK_GL)
1846     if (display_opengl) {
1847         /* wire up GtkGlArea events */
1848         g_signal_connect(vc->gfx.drawing_area, "render",
1849                          G_CALLBACK(gd_render_event), vc);
1850         g_signal_connect(vc->gfx.drawing_area, "resize",
1851                          G_CALLBACK(gd_resize_event), vc);
1852     }
1853 #endif
1854 #else
1855     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1856                      G_CALLBACK(gd_expose_event), vc);
1857 #endif
1858     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1859         g_signal_connect(vc->gfx.drawing_area, "event",
1860                          G_CALLBACK(gd_event), vc);
1861         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1862                          G_CALLBACK(gd_button_event), vc);
1863         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1864                          G_CALLBACK(gd_button_event), vc);
1865         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1866                          G_CALLBACK(gd_scroll_event), vc);
1867         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1868                          G_CALLBACK(gd_key_event), vc);
1869         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1870                          G_CALLBACK(gd_key_event), vc);
1871
1872         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1873                          G_CALLBACK(gd_enter_event), vc);
1874         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1875                          G_CALLBACK(gd_leave_event), vc);
1876         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1877                          G_CALLBACK(gd_focus_out_event), vc);
1878         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1879                          G_CALLBACK(gd_configure), vc);
1880     } else {
1881         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1882                          G_CALLBACK(gd_text_key_down), vc);
1883     }
1884 }
1885
1886 static void gd_connect_signals(GtkDisplayState *s)
1887 {
1888     g_signal_connect(s->show_tabs_item, "activate",
1889                      G_CALLBACK(gd_menu_show_tabs), s);
1890     g_signal_connect(s->untabify_item, "activate",
1891                      G_CALLBACK(gd_menu_untabify), s);
1892
1893     g_signal_connect(s->window, "delete-event",
1894                      G_CALLBACK(gd_window_close), s);
1895
1896     g_signal_connect(s->pause_item, "activate",
1897                      G_CALLBACK(gd_menu_pause), s);
1898     g_signal_connect(s->reset_item, "activate",
1899                      G_CALLBACK(gd_menu_reset), s);
1900     g_signal_connect(s->powerdown_item, "activate",
1901                      G_CALLBACK(gd_menu_powerdown), s);
1902     g_signal_connect(s->quit_item, "activate",
1903                      G_CALLBACK(gd_menu_quit), s);
1904 #if defined(CONFIG_VTE)
1905     g_signal_connect(s->copy_item, "activate",
1906                      G_CALLBACK(gd_menu_copy), s);
1907 #endif
1908     g_signal_connect(s->full_screen_item, "activate",
1909                      G_CALLBACK(gd_menu_full_screen), s);
1910     g_signal_connect(s->zoom_in_item, "activate",
1911                      G_CALLBACK(gd_menu_zoom_in), s);
1912     g_signal_connect(s->zoom_out_item, "activate",
1913                      G_CALLBACK(gd_menu_zoom_out), s);
1914     g_signal_connect(s->zoom_fixed_item, "activate",
1915                      G_CALLBACK(gd_menu_zoom_fixed), s);
1916     g_signal_connect(s->zoom_fit_item, "activate",
1917                      G_CALLBACK(gd_menu_zoom_fit), s);
1918     g_signal_connect(s->grab_item, "activate",
1919                      G_CALLBACK(gd_menu_grab_input), s);
1920     g_signal_connect(s->notebook, "switch-page",
1921                      G_CALLBACK(gd_change_page), s);
1922 }
1923
1924 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1925 {
1926     GtkWidget *machine_menu;
1927     GtkWidget *separator;
1928
1929     machine_menu = gtk_menu_new();
1930     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1931
1932     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1933     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1934
1935     separator = gtk_separator_menu_item_new();
1936     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1937
1938     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1939     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1940
1941     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1942     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1943
1944     separator = gtk_separator_menu_item_new();
1945     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1946
1947     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1948     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1949                                  "<QEMU>/Machine/Quit");
1950     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1951                             GDK_KEY_q, HOTKEY_MODIFIERS);
1952     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1953
1954     return machine_menu;
1955 }
1956
1957 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1958                               QemuConsole *con, int idx,
1959                               GSList *group, GtkWidget *view_menu)
1960 {
1961     vc->label = qemu_console_get_label(con);
1962     vc->s = s;
1963     vc->gfx.scale_x = 1.0;
1964     vc->gfx.scale_y = 1.0;
1965
1966 #if defined(CONFIG_OPENGL)
1967     if (display_opengl) {
1968 #if defined(CONFIG_GTK_GL)
1969         vc->gfx.drawing_area = gtk_gl_area_new();
1970         vc->gfx.dcl.ops = &dcl_gl_area_ops;
1971 #else
1972         vc->gfx.drawing_area = gtk_drawing_area_new();
1973         /*
1974          * gtk_widget_set_double_buffered() was deprecated in 3.14.
1975          * It is required for opengl rendering on X11 though.  A
1976          * proper replacement (native opengl support) is only
1977          * available in 3.16+.  Silence the warning if possible.
1978          */
1979 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1980 #pragma GCC diagnostic push
1981 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1982 #endif
1983         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1984 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1985 #pragma GCC diagnostic pop
1986 #endif
1987         vc->gfx.dcl.ops = &dcl_egl_ops;
1988 #endif /* CONFIG_GTK_GL */
1989     } else
1990 #endif
1991     {
1992         vc->gfx.drawing_area = gtk_drawing_area_new();
1993         vc->gfx.dcl.ops = &dcl_ops;
1994     }
1995
1996
1997     gtk_widget_add_events(vc->gfx.drawing_area,
1998                           GDK_POINTER_MOTION_MASK |
1999                           GDK_BUTTON_PRESS_MASK |
2000                           GDK_BUTTON_RELEASE_MASK |
2001                           GDK_BUTTON_MOTION_MASK |
2002                           GDK_ENTER_NOTIFY_MASK |
2003                           GDK_LEAVE_NOTIFY_MASK |
2004                           GDK_SCROLL_MASK |
2005                           GDK_KEY_PRESS_MASK);
2006     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2007
2008     vc->type = GD_VC_GFX;
2009     vc->tab_item = vc->gfx.drawing_area;
2010     vc->focus = vc->gfx.drawing_area;
2011     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2012                              vc->tab_item, gtk_label_new(vc->label));
2013
2014     vc->gfx.dcl.con = con;
2015     register_displaychangelistener(&vc->gfx.dcl);
2016
2017     gd_connect_vc_gfx_signals(vc);
2018     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2019
2020     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2021         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2022         s->free_scale = true;
2023     }
2024
2025     return group;
2026 }
2027
2028 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2029 {
2030     GSList *group = NULL;
2031     GtkWidget *view_menu;
2032     GtkWidget *separator;
2033     QemuConsole *con;
2034     int vc;
2035
2036     view_menu = gtk_menu_new();
2037     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2038
2039     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2040
2041 #if defined(CONFIG_VTE)
2042     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2043     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2044 #endif
2045
2046     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2047             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2048 #if GTK_CHECK_VERSION(3, 8, 0)
2049     gtk_accel_label_set_accel(
2050             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2051             GDK_KEY_f, HOTKEY_MODIFIERS);
2052 #endif
2053     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2054
2055     separator = gtk_separator_menu_item_new();
2056     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2057
2058     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2059     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2060                                  "<QEMU>/View/Zoom In");
2061     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2062                             HOTKEY_MODIFIERS);
2063     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2064
2065     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2066     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2067                                  "<QEMU>/View/Zoom Out");
2068     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2069                             HOTKEY_MODIFIERS);
2070     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2071
2072     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2073     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2074                                  "<QEMU>/View/Zoom Fixed");
2075     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2076                             HOTKEY_MODIFIERS);
2077     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2078
2079     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2080     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2081
2082     separator = gtk_separator_menu_item_new();
2083     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2084
2085     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2086     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2087
2088     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2089     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2090                                  "<QEMU>/View/Grab Input");
2091     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2092                             HOTKEY_MODIFIERS);
2093     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2094
2095     separator = gtk_separator_menu_item_new();
2096     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2097
2098     /* gfx */
2099     for (vc = 0;; vc++) {
2100         con = qemu_console_lookup_by_index(vc);
2101         if (!con) {
2102             break;
2103         }
2104         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2105                                vc, group, view_menu);
2106         s->nb_vcs++;
2107     }
2108
2109 #if defined(CONFIG_VTE)
2110     /* vte */
2111     gd_vcs_init(s, group, view_menu);
2112 #endif
2113
2114     separator = gtk_separator_menu_item_new();
2115     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2116
2117     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2118     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2119
2120     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2121     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2122
2123     return view_menu;
2124 }
2125
2126 static void gd_create_menus(GtkDisplayState *s)
2127 {
2128     s->accel_group = gtk_accel_group_new();
2129     s->machine_menu = gd_create_menu_machine(s);
2130     s->view_menu = gd_create_menu_view(s);
2131
2132     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2133     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2134                               s->machine_menu);
2135     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2136
2137     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2138     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2139     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2140
2141     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2142     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2143 }
2144
2145 static void gd_set_keycode_type(GtkDisplayState *s)
2146 {
2147 #ifdef GDK_WINDOWING_X11
2148     GdkDisplay *display = gtk_widget_get_display(s->window);
2149     if (GDK_IS_X11_DISPLAY(display)) {
2150         Display *x11_display = gdk_x11_display_get_xdisplay(display);
2151         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
2152                                          XkbUseCoreKbd);
2153         char *keycodes = NULL;
2154
2155         if (desc && desc->names) {
2156             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
2157         }
2158         if (keycodes == NULL) {
2159             fprintf(stderr, "could not lookup keycode name\n");
2160         } else if (strstart(keycodes, "evdev", NULL)) {
2161             s->has_evdev = true;
2162         } else if (!strstart(keycodes, "xfree86", NULL)) {
2163             fprintf(stderr, "unknown keycodes `%s', please report to "
2164                     "[email protected]\n", keycodes);
2165         }
2166
2167         if (desc) {
2168             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
2169         }
2170         if (keycodes) {
2171             XFree(keycodes);
2172         }
2173     }
2174 #endif
2175 }
2176
2177 static gboolean gtkinit;
2178
2179 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
2180 {
2181     VirtualConsole *vc;
2182
2183     GtkDisplayState *s = g_malloc0(sizeof(*s));
2184     char *filename;
2185     GdkDisplay *window_display;
2186
2187     if (!gtkinit) {
2188         fprintf(stderr, "gtk initialization failed\n");
2189         exit(1);
2190     }
2191
2192     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2193 #if GTK_CHECK_VERSION(3, 2, 0)
2194     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2195 #else
2196     s->vbox = gtk_vbox_new(FALSE, 0);
2197 #endif
2198     s->notebook = gtk_notebook_new();
2199     s->menu_bar = gtk_menu_bar_new();
2200
2201     s->free_scale = FALSE;
2202
2203     /* LC_MESSAGES only. See early_gtk_display_init() for details */
2204     setlocale(LC_MESSAGES, "");
2205     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2206     textdomain("qemu");
2207
2208     window_display = gtk_widget_get_display(s->window);
2209     s->null_cursor = gdk_cursor_new_for_display(window_display,
2210                                                 GDK_BLANK_CURSOR);
2211
2212     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2213     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2214     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2215
2216     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2217     if (filename) {
2218         GError *error = NULL;
2219         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2220         if (pixbuf) {
2221             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2222         } else {
2223             g_error_free(error);
2224         }
2225         g_free(filename);
2226     }
2227
2228     gd_create_menus(s);
2229
2230     gd_connect_signals(s);
2231
2232     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2233     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2234
2235     gd_update_caption(s);
2236
2237     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2238     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2239
2240     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2241
2242     gtk_widget_show_all(s->window);
2243
2244 #ifdef VTE_RESIZE_HACK
2245     {
2246         VirtualConsole *cur = gd_vc_find_current(s);
2247         if (cur) {
2248             int i;
2249
2250             for (i = 0; i < s->nb_vcs; i++) {
2251                 VirtualConsole *vc = &s->vc[i];
2252                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2253                     gtk_widget_hide(vc->vte.terminal);
2254                 }
2255             }
2256             gd_update_windowsize(cur);
2257         }
2258     }
2259 #endif
2260
2261     vc = gd_vc_find_current(s);
2262     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2263 #ifdef CONFIG_VTE
2264     gtk_widget_set_sensitive(s->copy_item,
2265                              vc && vc->type == GD_VC_VTE);
2266 #endif
2267
2268     if (full_screen) {
2269         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2270     }
2271     if (grab_on_hover) {
2272         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2273     }
2274
2275     gd_set_keycode_type(s);
2276 }
2277
2278 void early_gtk_display_init(int opengl)
2279 {
2280     /* The QEMU code relies on the assumption that it's always run in
2281      * the C locale. Therefore it is not prepared to deal with
2282      * operations that produce different results depending on the
2283      * locale, such as printf's formatting of decimal numbers, and
2284      * possibly others.
2285      *
2286      * Since GTK+ calls setlocale() by default -importing the locale
2287      * settings from the environment- we must prevent it from doing so
2288      * using gtk_disable_setlocale().
2289      *
2290      * QEMU's GTK+ UI, however, _does_ have translations for some of
2291      * the menu items. As a trade-off between a functionally correct
2292      * QEMU and a fully internationalized UI we support importing
2293      * LC_MESSAGES from the environment (see the setlocale() call
2294      * earlier in this file). This allows us to display translated
2295      * messages leaving everything else untouched.
2296      */
2297     gtk_disable_setlocale();
2298     gtkinit = gtk_init_check(NULL, NULL);
2299     if (!gtkinit) {
2300         /* don't exit yet, that'll break -help */
2301         return;
2302     }
2303
2304     switch (opengl) {
2305     case -1: /* default */
2306     case 0:  /* off */
2307         break;
2308     case 1: /* on */
2309 #if defined(CONFIG_OPENGL)
2310 #if defined(CONFIG_GTK_GL)
2311         gtk_gl_area_init();
2312 #else
2313         gtk_egl_init();
2314 #endif
2315 #endif
2316         break;
2317     default:
2318         g_assert_not_reached();
2319         break;
2320     }
2321
2322 #if defined(CONFIG_VTE)
2323     register_vc_handler(gd_vc_handler);
2324 #endif
2325 }