qemu/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/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_WIN32_DISPLAY
  94 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
  95 #endif
  96
  97 #ifndef GDK_KEY_0
  98 #define GDK_KEY_0 GDK_0
  99 #define GDK_KEY_1 GDK_1
 100 #define GDK_KEY_2 GDK_2
 101 #define GDK_KEY_f GDK_f
 102 #define GDK_KEY_g GDK_g
 103 #define GDK_KEY_q GDK_q
 104 #define GDK_KEY_plus GDK_plus
 105 #define GDK_KEY_minus GDK_minus
 106 #define GDK_KEY_Pause GDK_Pause
 107 #endif
 108
 109 /* Some older mingw versions lack this constant or have
 110  * it conditionally defined */
 111 #ifdef _WIN32
 112 # ifndef MAPVK_VK_TO_VSC
 113 #  define MAPVK_VK_TO_VSC 0
 114 # endif
 115 #endif
 116
 117
 118 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 119
 120 static const int modifier_keycode[] = {
 121     /* shift, control, alt keys, meta keys, both left & right */
 122     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
 123 };
 124
 125 struct GtkDisplayState {
 126     GtkWidget *window;
 127
 128     GtkWidget *menu_bar;
 129
 130     GtkAccelGroup *accel_group;
 131
 132     GtkWidget *machine_menu_item;
 133     GtkWidget *machine_menu;
 134     GtkWidget *pause_item;
 135     GtkWidget *reset_item;
 136     GtkWidget *powerdown_item;
 137     GtkWidget *quit_item;
 138
 139     GtkWidget *view_menu_item;
 140     GtkWidget *view_menu;
 141     GtkWidget *full_screen_item;
 142     GtkWidget *zoom_in_item;
 143     GtkWidget *zoom_out_item;
 144     GtkWidget *zoom_fixed_item;
 145     GtkWidget *zoom_fit_item;
 146     GtkWidget *grab_item;
 147     GtkWidget *grab_on_hover_item;
 148
 149     int nb_vcs;
 150     VirtualConsole vc[MAX_VCS];
 151
 152     GtkWidget *show_tabs_item;
 153     GtkWidget *untabify_item;
 154
 155     GtkWidget *vbox;
 156     GtkWidget *notebook;
 157     int button_mask;
 158     gboolean last_set;
 159     int last_x;
 160     int last_y;
 161     int grab_x_root;
 162     int grab_y_root;
 163     VirtualConsole *kbd_owner;
 164     VirtualConsole *ptr_owner;
 165
 166     gboolean full_screen;
 167
 168     GdkCursor *null_cursor;
 169     Notifier mouse_mode_notifier;
 170     gboolean free_scale;
 171
 172     bool external_pause_update;
 173
 174     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
 175     bool has_evdev;
 176     bool ignore_keys;
 177 };
 178
 179 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 180 static void gd_ungrab_pointer(GtkDisplayState *s);
 181 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 182 static void gd_ungrab_keyboard(GtkDisplayState *s);
 183
 184 /** Utility Functions **/
 185
 186 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 187 {
 188     VirtualConsole *vc;
 189     gint i;
 190
 191     for (i = 0; i < s->nb_vcs; i++) {
 192         vc = &s->vc[i];
 193         if (gtk_check_menu_item_get_active
 194             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 195             return vc;
 196         }
 197     }
 198     return NULL;
 199 }
 200
 201 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 202 {
 203     VirtualConsole *vc;
 204     gint i, p;
 205
 206     for (i = 0; i < s->nb_vcs; i++) {
 207         vc = &s->vc[i];
 208         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 209         if (p == page) {
 210             return vc;
 211         }
 212     }
 213     return NULL;
 214 }
 215
 216 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 217 {
 218     gint page;
 219
 220     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 221     return gd_vc_find_by_page(s, page);
 222 }
 223
 224 static bool gd_is_grab_active(GtkDisplayState *s)
 225 {
 226     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 227 }
 228
 229 static bool gd_grab_on_hover(GtkDisplayState *s)
 230 {
 231     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 232 }
 233
 234 static void gd_update_cursor(VirtualConsole *vc)
 235 {
 236     GtkDisplayState *s = vc->s;
 237     GdkWindow *window;
 238
 239     if (vc->type != GD_VC_GFX ||
 240         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 241         return;
 242     }
 243
 244     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 245         return;
 246     }
 247
 248     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 249     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 250         gdk_window_set_cursor(window, s->null_cursor);
 251     } else {
 252         gdk_window_set_cursor(window, NULL);
 253     }
 254 }
 255
 256 static void gd_update_caption(GtkDisplayState *s)
 257 {
 258     const char *status = "";
 259     gchar *prefix;
 260     gchar *title;
 261     const char *grab = "";
 262     bool is_paused = !runstate_is_running();
 263     int i;
 264
 265     if (qemu_name) {
 266         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 267     } else {
 268         prefix = g_strdup_printf("QEMU");
 269     }
 270
 271     if (s->ptr_owner != NULL &&
 272         s->ptr_owner->window == NULL) {
 273         grab = _(" - Press Ctrl+Alt+G to release grab");
 274     }
 275
 276     if (is_paused) {
 277         status = _(" [Paused]");
 278     }
 279     s->external_pause_update = true;
 280     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 281                                    is_paused);
 282     s->external_pause_update = false;
 283
 284     title = g_strdup_printf("%s%s%s", prefix, status, grab);
 285     gtk_window_set_title(GTK_WINDOW(s->window), title);
 286     g_free(title);
 287
 288     for (i = 0; i < s->nb_vcs; i++) {
 289         VirtualConsole *vc = &s->vc[i];
 290
 291         if (!vc->window) {
 292             continue;
 293         }
 294         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 295                                 vc == s->kbd_owner ? " +kbd" : "",
 296                                 vc == s->ptr_owner ? " +ptr" : "");
 297         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 298         g_free(title);
 299     }
 300
 301     g_free(prefix);
 302 }
 303
 304 static void gd_update_geometry_hints(VirtualConsole *vc)
 305 {
 306     GtkDisplayState *s = vc->s;
 307     GdkWindowHints mask = 0;
 308     GdkGeometry geo = {};
 309     GtkWidget *geo_widget = NULL;
 310     GtkWindow *geo_window;
 311
 312     if (vc->type == GD_VC_GFX) {
 313         if (!vc->gfx.ds) {
 314             return;
 315         }
 316         if (s->free_scale) {
 317             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 318             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 319             mask |= GDK_HINT_MIN_SIZE;
 320         } else {
 321             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 322             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 323             mask |= GDK_HINT_MIN_SIZE;
 324         }
 325         geo_widget = vc->gfx.drawing_area;
 326         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 327
 328 #if defined(CONFIG_VTE)
 329     } else if (vc->type == GD_VC_VTE) {
 330         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 331         GtkBorder *ib;
 332
 333         geo.width_inc  = vte_terminal_get_char_width(term);
 334         geo.height_inc = vte_terminal_get_char_height(term);
 335         mask |= GDK_HINT_RESIZE_INC;
 336         geo.base_width  = geo.width_inc;
 337         geo.base_height = geo.height_inc;
 338         mask |= GDK_HINT_BASE_SIZE;
 339         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 340         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 341         mask |= GDK_HINT_MIN_SIZE;
 342         gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 343         geo.base_width  += ib->left + ib->right;
 344         geo.base_height += ib->top + ib->bottom;
 345         geo.min_width   += ib->left + ib->right;
 346         geo.min_height  += ib->top + ib->bottom;
 347         geo_widget = vc->vte.terminal;
 348 #endif
 349     }
 350
 351     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 352     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 353 }
 354
 355 void gd_update_windowsize(VirtualConsole *vc)
 356 {
 357     GtkDisplayState *s = vc->s;
 358
 359     gd_update_geometry_hints(vc);
 360
 361     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 362         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 363                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 364     }
 365 }
 366
 367 static void gd_update_full_redraw(VirtualConsole *vc)
 368 {
 369     GtkWidget *area = vc->gfx.drawing_area;
 370     int ww, wh;
 371     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
 372 #if defined(CONFIG_GTK_GL)
 373     if (vc->gfx.gls) {
 374         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 375         return;
 376     }
 377 #endif
 378     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 379 }
 380
 381 static void gtk_release_modifiers(GtkDisplayState *s)
 382 {
 383     VirtualConsole *vc = gd_vc_find_current(s);
 384     int i, keycode;
 385
 386     if (vc->type != GD_VC_GFX ||
 387         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 388         return;
 389     }
 390     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 391         keycode = modifier_keycode[i];
 392         if (!s->modifier_pressed[i]) {
 393             continue;
 394         }
 395         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
 396         s->modifier_pressed[i] = false;
 397     }
 398 }
 399
 400 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 401                                GtkWidget *widget)
 402 {
 403     g_object_ref(G_OBJECT(widget));
 404     gtk_container_remove(GTK_CONTAINER(from), widget);
 405     gtk_container_add(GTK_CONTAINER(to), widget);
 406     g_object_unref(G_OBJECT(widget));
 407 }
 408
 409 /** DisplayState Callbacks **/
 410
 411 static void gd_update(DisplayChangeListener *dcl,
 412                       int x, int y, int w, int h)
 413 {
 414     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 415     GdkWindow *win;
 416     int x1, x2, y1, y2;
 417     int mx, my;
 418     int fbw, fbh;
 419     int ww, wh;
 420
 421     trace_gd_update(vc->label, x, y, w, h);
 422
 423     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 424         return;
 425     }
 426
 427     if (vc->gfx.convert) {
 428         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 429                                NULL, vc->gfx.convert,
 430                                x, y, 0, 0, x, y, w, h);
 431     }
 432
 433     x1 = floor(x * vc->gfx.scale_x);
 434     y1 = floor(y * vc->gfx.scale_y);
 435
 436     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 437     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 438
 439     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 440     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 441
 442     win = gtk_widget_get_window(vc->gfx.drawing_area);
 443     if (!win) {
 444         return;
 445     }
 446     gdk_drawable_get_size(win, &ww, &wh);
 447
 448     mx = my = 0;
 449     if (ww > fbw) {
 450         mx = (ww - fbw) / 2;
 451     }
 452     if (wh > fbh) {
 453         my = (wh - fbh) / 2;
 454     }
 455
 456     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 457                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 458 }
 459
 460 static void gd_refresh(DisplayChangeListener *dcl)
 461 {
 462     graphic_hw_update(dcl->con);
 463 }
 464
 465 #if GTK_CHECK_VERSION(3, 0, 0)
 466 static void gd_mouse_set(DisplayChangeListener *dcl,
 467                          int x, int y, int visible)
 468 {
 469     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 470     GdkDisplay *dpy;
 471     GdkDeviceManager *mgr;
 472     gint x_root, y_root;
 473
 474     if (qemu_input_is_absolute()) {
 475         return;
 476     }
 477
 478     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 479     mgr = gdk_display_get_device_manager(dpy);
 480     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 481                                x, y, &x_root, &y_root);
 482     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
 483                     gtk_widget_get_screen(vc->gfx.drawing_area),
 484                     x_root, y_root);
 485     vc->s->last_x = x;
 486     vc->s->last_y = y;
 487 }
 488 #else
 489 static void gd_mouse_set(DisplayChangeListener *dcl,
 490                          int x, int y, int visible)
 491 {
 492     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 493     gint x_root, y_root;
 494
 495     if (qemu_input_is_absolute()) {
 496         return;
 497     }
 498
 499     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 500                                x, y, &x_root, &y_root);
 501     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
 502                              gtk_widget_get_screen(vc->gfx.drawing_area),
 503                              x_root, y_root);
 504 }
 505 #endif
 506
 507 static void gd_cursor_define(DisplayChangeListener *dcl,
 508                              QEMUCursor *c)
 509 {
 510     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 511     GdkPixbuf *pixbuf;
 512     GdkCursor *cursor;
 513
 514     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 515         return;
 516     }
 517
 518     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 519                                       GDK_COLORSPACE_RGB, true, 8,
 520                                       c->width, c->height, c->width * 4,
 521                                       NULL, NULL);
 522     cursor = gdk_cursor_new_from_pixbuf
 523         (gtk_widget_get_display(vc->gfx.drawing_area),
 524          pixbuf, c->hot_x, c->hot_y);
 525     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 526     g_object_unref(pixbuf);
 527 #if !GTK_CHECK_VERSION(3, 0, 0)
 528     gdk_cursor_unref(cursor);
 529 #else
 530     g_object_unref(cursor);
 531 #endif
 532 }
 533
 534 static void gd_switch(DisplayChangeListener *dcl,
 535                       DisplaySurface *surface)
 536 {
 537     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 538     bool resized = true;
 539
 540     trace_gd_switch(vc->label,
 541                     surface ? surface_width(surface)  : 0,
 542                     surface ? surface_height(surface) : 0);
 543
 544     if (vc->gfx.surface) {
 545         cairo_surface_destroy(vc->gfx.surface);
 546         vc->gfx.surface = NULL;
 547     }
 548     if (vc->gfx.convert) {
 549         pixman_image_unref(vc->gfx.convert);
 550         vc->gfx.convert = NULL;
 551     }
 552
 553     if (vc->gfx.ds && surface &&
 554         surface_width(vc->gfx.ds) == surface_width(surface) &&
 555         surface_height(vc->gfx.ds) == surface_height(surface)) {
 556         resized = false;
 557     }
 558     vc->gfx.ds = surface;
 559
 560     if (!surface) {
 561         return;
 562     }
 563
 564     if (surface->format == PIXMAN_x8r8g8b8) {
 565         /*
 566          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 567          *
 568          * No need to convert, use surface directly.  Should be the
 569          * common case as this is qemu_default_pixelformat(32) too.
 570          */
 571         vc->gfx.surface = cairo_image_surface_create_for_data
 572             (surface_data(surface),
 573              CAIRO_FORMAT_RGB24,
 574              surface_width(surface),
 575              surface_height(surface),
 576              surface_stride(surface));
 577     } else {
 578         /* Must convert surface, use pixman to do it. */
 579         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 580                                                    surface_width(surface),
 581                                                    surface_height(surface),
 582                                                    NULL, 0);
 583         vc->gfx.surface = cairo_image_surface_create_for_data
 584             ((void *)pixman_image_get_data(vc->gfx.convert),
 585              CAIRO_FORMAT_RGB24,
 586              pixman_image_get_width(vc->gfx.convert),
 587              pixman_image_get_height(vc->gfx.convert),
 588              pixman_image_get_stride(vc->gfx.convert));
 589         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 590                                NULL, vc->gfx.convert,
 591                                0, 0, 0, 0, 0, 0,
 592                                pixman_image_get_width(vc->gfx.convert),
 593                                pixman_image_get_height(vc->gfx.convert));
 594     }
 595
 596     if (resized) {
 597         gd_update_windowsize(vc);
 598     } else {
 599         gd_update_full_redraw(vc);
 600     }
 601 }
 602
 603 static const DisplayChangeListenerOps dcl_ops = {
 604     .dpy_name             = "gtk",
 605     .dpy_gfx_update       = gd_update,
 606     .dpy_gfx_switch       = gd_switch,
 607     .dpy_gfx_check_format = qemu_pixman_check_format,
 608     .dpy_refresh          = gd_refresh,
 609     .dpy_mouse_set        = gd_mouse_set,
 610     .dpy_cursor_define    = gd_cursor_define,
 611 };
 612
 613
 614 #if defined(CONFIG_OPENGL)
 615
 616 /** DisplayState Callbacks (opengl version) **/
 617
 618 #if defined(CONFIG_GTK_GL)
 619
 620 static const DisplayChangeListenerOps dcl_gl_area_ops = {
 621     .dpy_name             = "gtk-egl",
 622     .dpy_gfx_update       = gd_gl_area_update,
 623     .dpy_gfx_switch       = gd_gl_area_switch,
 624     .dpy_gfx_check_format = console_gl_check_format,
 625     .dpy_refresh          = gd_gl_area_refresh,
 626     .dpy_mouse_set        = gd_mouse_set,
 627     .dpy_cursor_define    = gd_cursor_define,
 628
 629     .dpy_gl_ctx_create       = gd_gl_area_create_context,
 630     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 631     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 632     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
 633     .dpy_gl_scanout          = gd_gl_area_scanout,
 634     .dpy_gl_update           = gd_gl_area_scanout_flush,
 635 };
 636
 637 #else
 638
 639 static const DisplayChangeListenerOps dcl_egl_ops = {
 640     .dpy_name             = "gtk-egl",
 641     .dpy_gfx_update       = gd_egl_update,
 642     .dpy_gfx_switch       = gd_egl_switch,
 643     .dpy_gfx_check_format = console_gl_check_format,
 644     .dpy_refresh          = gd_egl_refresh,
 645     .dpy_mouse_set        = gd_mouse_set,
 646     .dpy_cursor_define    = gd_cursor_define,
 647
 648     .dpy_gl_ctx_create       = gd_egl_create_context,
 649     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 650     .dpy_gl_ctx_make_current = gd_egl_make_current,
 651     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
 652     .dpy_gl_scanout          = gd_egl_scanout,
 653     .dpy_gl_update           = gd_egl_scanout_flush,
 654 };
 655
 656 #endif /* CONFIG_GTK_GL */
 657 #endif /* CONFIG_OPENGL */
 658
 659 /** QEMU Events **/
 660
 661 static void gd_change_runstate(void *opaque, int running, RunState state)
 662 {
 663     GtkDisplayState *s = opaque;
 664
 665     gd_update_caption(s);
 666 }
 667
 668 static void gd_mouse_mode_change(Notifier *notify, void *data)
 669 {
 670     GtkDisplayState *s;
 671     int i;
 672
 673     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 674     /* release the grab at switching to absolute mode */
 675     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 676         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 677                                        FALSE);
 678     }
 679     for (i = 0; i < s->nb_vcs; i++) {
 680         VirtualConsole *vc = &s->vc[i];
 681         gd_update_cursor(vc);
 682     }
 683 }
 684
 685 /** GTK Events **/
 686
 687 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 688                                 void *opaque)
 689 {
 690     GtkDisplayState *s = opaque;
 691     int i;
 692
 693     if (!no_quit) {
 694         for (i = 0; i < s->nb_vcs; i++) {
 695             if (s->vc[i].type != GD_VC_GFX) {
 696                 continue;
 697             }
 698             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
 699         }
 700         qmp_quit(NULL);
 701         return FALSE;
 702     }
 703
 704     return TRUE;
 705 }
 706
 707 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 708 {
 709     QemuUIInfo info;
 710
 711     memset(&info, 0, sizeof(info));
 712     info.width = width;
 713     info.height = height;
 714     dpy_set_ui_info(vc->gfx.dcl.con, &info);
 715 }
 716
 717 #if defined(CONFIG_GTK_GL)
 718
 719 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 720                                 void *opaque)
 721 {
 722     VirtualConsole *vc = opaque;
 723
 724     if (vc->gfx.gls) {
 725         gd_gl_area_draw(vc);
 726     }
 727     return TRUE;
 728 }
 729
 730 static void gd_resize_event(GtkGLArea *area,
 731                             gint width, gint height, gpointer *opaque)
 732 {
 733     VirtualConsole *vc = (void *)opaque;
 734
 735     gd_set_ui_info(vc, width, height);
 736 }
 737
 738 #endif
 739
 740 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 741 {
 742     VirtualConsole *vc = opaque;
 743     GtkDisplayState *s = vc->s;
 744     int mx, my;
 745     int ww, wh;
 746     int fbw, fbh;
 747
 748 #if defined(CONFIG_OPENGL)
 749     if (vc->gfx.gls) {
 750 #if defined(CONFIG_GTK_GL)
 751         /* invoke render callback please */
 752         return FALSE;
 753 #else
 754         gd_egl_draw(vc);
 755         return TRUE;
 756 #endif
 757     }
 758 #endif
 759
 760     if (!gtk_widget_get_realized(widget)) {
 761         return FALSE;
 762     }
 763     if (!vc->gfx.ds) {
 764         return FALSE;
 765     }
 766
 767     fbw = surface_width(vc->gfx.ds);
 768     fbh = surface_height(vc->gfx.ds);
 769
 770     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
 771
 772     if (s->full_screen) {
 773         vc->gfx.scale_x = (double)ww / fbw;
 774         vc->gfx.scale_y = (double)wh / fbh;
 775     } else if (s->free_scale) {
 776         double sx, sy;
 777
 778         sx = (double)ww / fbw;
 779         sy = (double)wh / fbh;
 780
 781         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 782     }
 783
 784     fbw *= vc->gfx.scale_x;
 785     fbh *= vc->gfx.scale_y;
 786
 787     mx = my = 0;
 788     if (ww > fbw) {
 789         mx = (ww - fbw) / 2;
 790     }
 791     if (wh > fbh) {
 792         my = (wh - fbh) / 2;
 793     }
 794
 795     cairo_rectangle(cr, 0, 0, ww, wh);
 796
 797     /* Optionally cut out the inner area where the pixmap
 798        will be drawn. This avoids 'flashing' since we're
 799        not double-buffering. Note we're using the undocumented
 800        behaviour of drawing the rectangle from right to left
 801        to cut out the whole */
 802     cairo_rectangle(cr, mx + fbw, my,
 803                     -1 * fbw, fbh);
 804     cairo_fill(cr);
 805
 806     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 807     cairo_set_source_surface(cr, vc->gfx.surface,
 808                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 809     cairo_paint(cr);
 810
 811     return TRUE;
 812 }
 813
 814 #if !GTK_CHECK_VERSION(3, 0, 0)
 815 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
 816                                 void *opaque)
 817 {
 818     cairo_t *cr;
 819     gboolean ret;
 820
 821     cr = gdk_cairo_create(gtk_widget_get_window(widget));
 822     cairo_rectangle(cr,
 823                     expose->area.x,
 824                     expose->area.y,
 825                     expose->area.width,
 826                     expose->area.height);
 827     cairo_clip(cr);
 828
 829     ret = gd_draw_event(widget, cr, opaque);
 830
 831     cairo_destroy(cr);
 832
 833     return ret;
 834 }
 835 #endif
 836
 837 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 838                                 void *opaque)
 839 {
 840     VirtualConsole *vc = opaque;
 841     GtkDisplayState *s = vc->s;
 842     int x, y;
 843     int mx, my;
 844     int fbh, fbw;
 845     int ww, wh;
 846
 847     if (!vc->gfx.ds) {
 848         return TRUE;
 849     }
 850
 851     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 852     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 853
 854     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
 855                           &ww, &wh);
 856
 857     mx = my = 0;
 858     if (ww > fbw) {
 859         mx = (ww - fbw) / 2;
 860     }
 861     if (wh > fbh) {
 862         my = (wh - fbh) / 2;
 863     }
 864
 865     x = (motion->x - mx) / vc->gfx.scale_x;
 866     y = (motion->y - my) / vc->gfx.scale_y;
 867
 868     if (qemu_input_is_absolute()) {
 869         if (x < 0 || y < 0 ||
 870             x >= surface_width(vc->gfx.ds) ||
 871             y >= surface_height(vc->gfx.ds)) {
 872             return TRUE;
 873         }
 874         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 875                              surface_width(vc->gfx.ds));
 876         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 877                              surface_height(vc->gfx.ds));
 878         qemu_input_event_sync();
 879     } else if (s->last_set && s->ptr_owner == vc) {
 880         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 881         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 882         qemu_input_event_sync();
 883     }
 884     s->last_x = x;
 885     s->last_y = y;
 886     s->last_set = TRUE;
 887
 888     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 889         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 890         int x = (int)motion->x_root;
 891         int y = (int)motion->y_root;
 892
 893         /* In relative mode check to see if client pointer hit
 894          * one of the screen edges, and if so move it back by
 895          * 200 pixels. This is important because the pointer
 896          * in the server doesn't correspond 1-for-1, and so
 897          * may still be only half way across the screen. Without
 898          * this warp, the server pointer would thus appear to hit
 899          * an invisible wall */
 900         if (x == 0) {
 901             x += 200;
 902         }
 903         if (y == 0) {
 904             y += 200;
 905         }
 906         if (x == (gdk_screen_get_width(screen) - 1)) {
 907             x -= 200;
 908         }
 909         if (y == (gdk_screen_get_height(screen) - 1)) {
 910             y -= 200;
 911         }
 912
 913         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 914 #if GTK_CHECK_VERSION(3, 0, 0)
 915             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 916             gdk_device_warp(dev, screen, x, y);
 917 #else
 918             GdkDisplay *display = gtk_widget_get_display(widget);
 919             gdk_display_warp_pointer(display, screen, x, y);
 920 #endif
 921             s->last_set = FALSE;
 922             return FALSE;
 923         }
 924     }
 925     return TRUE;
 926 }
 927
 928 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 929                                 void *opaque)
 930 {
 931     VirtualConsole *vc = opaque;
 932     GtkDisplayState *s = vc->s;
 933     InputButton btn;
 934
 935     /* implicitly grab the input at the first click in the relative mode */
 936     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 937         !qemu_input_is_absolute() && s->ptr_owner != vc) {
 938         if (!vc->window) {
 939             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 940                                            TRUE);
 941         } else {
 942             gd_grab_pointer(vc, "relative-mode-click");
 943         }
 944         return TRUE;
 945     }
 946
 947     if (button->button == 1) {
 948         btn = INPUT_BUTTON_LEFT;
 949     } else if (button->button == 2) {
 950         btn = INPUT_BUTTON_MIDDLE;
 951     } else if (button->button == 3) {
 952         btn = INPUT_BUTTON_RIGHT;
 953     } else {
 954         return TRUE;
 955     }
 956
 957     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 958                          button->type == GDK_BUTTON_PRESS);
 959     qemu_input_event_sync();
 960     return TRUE;
 961 }
 962
 963 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 964                                 void *opaque)
 965 {
 966     VirtualConsole *vc = opaque;
 967     InputButton btn;
 968
 969     if (scroll->direction == GDK_SCROLL_UP) {
 970         btn = INPUT_BUTTON_WHEEL_UP;
 971     } else if (scroll->direction == GDK_SCROLL_DOWN) {
 972         btn = INPUT_BUTTON_WHEEL_DOWN;
 973     } else {
 974         return TRUE;
 975     }
 976
 977     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
 978     qemu_input_event_sync();
 979     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
 980     qemu_input_event_sync();
 981     return TRUE;
 982 }
 983
 984 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
 985 {
 986     int qemu_keycode;
 987
 988 #ifdef GDK_WINDOWING_WIN32
 989     if (GDK_IS_WIN32_DISPLAY(dpy)) {
 990         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
 991         switch (qemu_keycode) {
 992         case 103:   /* alt gr */
 993             qemu_keycode = 56 | SCANCODE_GREY;
 994             break;
 995         }
 996         return qemu_keycode;
 997     }
 998 #endif
 999
1000     if (gdk_keycode < 9) {
1001         qemu_keycode = 0;
1002     } else if (gdk_keycode < 97) {
1003         qemu_keycode = gdk_keycode - 8;
1004 #ifdef GDK_WINDOWING_X11
1005     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
1006         if (s->has_evdev) {
1007             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1008         } else {
1009             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
1010         }
1011 #endif
1012     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
1013         qemu_keycode = 0x70;
1014     } else if (gdk_keycode == 211) { /* backslash */
1015         qemu_keycode = 0x73;
1016     } else {
1017         qemu_keycode = 0;
1018     }
1019
1020     return qemu_keycode;
1021 }
1022
1023 static gboolean gd_text_key_down(GtkWidget *widget,
1024                                  GdkEventKey *key, void *opaque)
1025 {
1026     VirtualConsole *vc = opaque;
1027     QemuConsole *con = vc->gfx.dcl.con;
1028
1029     if (key->length) {
1030         kbd_put_string_console(con, key->string, key->length);
1031     } else {
1032         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
1033                                  key->hardware_keycode);
1034         int qcode = qemu_input_key_number_to_qcode(num);
1035         kbd_put_qcode_console(con, qcode);
1036     }
1037     return TRUE;
1038 }
1039
1040 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1041 {
1042     VirtualConsole *vc = opaque;
1043     GtkDisplayState *s = vc->s;
1044     int gdk_keycode = key->hardware_keycode;
1045     int qemu_keycode;
1046     int i;
1047
1048     if (s->ignore_keys) {
1049         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1050         return TRUE;
1051     }
1052
1053     if (key->keyval == GDK_KEY_Pause) {
1054         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1055                                         key->type == GDK_KEY_PRESS);
1056         return TRUE;
1057     }
1058
1059     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
1060                                   gdk_keycode);
1061
1062     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
1063                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1064
1065     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1066         if (qemu_keycode == modifier_keycode[i]) {
1067             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1068         }
1069     }
1070
1071     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
1072                                      key->type == GDK_KEY_PRESS);
1073
1074     return TRUE;
1075 }
1076
1077 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1078 {
1079     if (event->type == GDK_MOTION_NOTIFY) {
1080         return gd_motion_event(widget, &event->motion, opaque);
1081     }
1082     return FALSE;
1083 }
1084
1085 /** Window Menu Actions **/
1086
1087 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1088 {
1089     GtkDisplayState *s = opaque;
1090
1091     if (s->external_pause_update) {
1092         return;
1093     }
1094     if (runstate_is_running()) {
1095         qmp_stop(NULL);
1096     } else {
1097         qmp_cont(NULL);
1098     }
1099 }
1100
1101 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1102 {
1103     qmp_system_reset(NULL);
1104 }
1105
1106 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1107 {
1108     qmp_system_powerdown(NULL);
1109 }
1110
1111 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1112 {
1113     qmp_quit(NULL);
1114 }
1115
1116 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1117 {
1118     GtkDisplayState *s = opaque;
1119     VirtualConsole *vc = gd_vc_find_by_menu(s);
1120     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1121     gint page;
1122
1123     gtk_release_modifiers(s);
1124     if (vc) {
1125         page = gtk_notebook_page_num(nb, vc->tab_item);
1126         gtk_notebook_set_current_page(nb, page);
1127         gtk_widget_grab_focus(vc->focus);
1128     }
1129     s->ignore_keys = false;
1130 }
1131
1132 static void gd_accel_switch_vc(void *opaque)
1133 {
1134     VirtualConsole *vc = opaque;
1135
1136     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1137 #if !GTK_CHECK_VERSION(3, 0, 0)
1138     /* GTK2 sends the accel key to the target console - ignore this until */
1139     vc->s->ignore_keys = true;
1140 #endif
1141 }
1142
1143 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1144 {
1145     GtkDisplayState *s = opaque;
1146     VirtualConsole *vc = gd_vc_find_current(s);
1147
1148     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1149         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1150     } else {
1151         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1152     }
1153     gd_update_windowsize(vc);
1154 }
1155
1156 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1157                                     void *opaque)
1158 {
1159     VirtualConsole *vc = opaque;
1160     GtkDisplayState *s = vc->s;
1161
1162     gtk_widget_set_sensitive(vc->menu_item, true);
1163     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1164     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1165                                     vc->tab_item, vc->label);
1166     gtk_widget_destroy(vc->window);
1167     vc->window = NULL;
1168     return TRUE;
1169 }
1170
1171 static gboolean gd_win_grab(void *opaque)
1172 {
1173     VirtualConsole *vc = opaque;
1174
1175     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1176     if (vc->s->ptr_owner) {
1177         gd_ungrab_pointer(vc->s);
1178     } else {
1179         gd_grab_pointer(vc, "user-request-detached-tab");
1180     }
1181     return TRUE;
1182 }
1183
1184 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1185 {
1186     GtkDisplayState *s = opaque;
1187     VirtualConsole *vc = gd_vc_find_current(s);
1188
1189     if (vc->type == GD_VC_GFX &&
1190         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1191         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1192                                        FALSE);
1193     }
1194     if (!vc->window) {
1195         gtk_widget_set_sensitive(vc->menu_item, false);
1196         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1197         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1198
1199         g_signal_connect(vc->window, "delete-event",
1200                          G_CALLBACK(gd_tab_window_close), vc);
1201         gtk_widget_show_all(vc->window);
1202
1203         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1204             GtkAccelGroup *ag = gtk_accel_group_new();
1205             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1206
1207             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1208                                                vc, NULL);
1209             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1210         }
1211
1212         gd_update_geometry_hints(vc);
1213         gd_update_caption(s);
1214     }
1215 }
1216
1217 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1218 {
1219     GtkDisplayState *s = opaque;
1220     VirtualConsole *vc = gd_vc_find_current(s);
1221
1222     if (!s->full_screen) {
1223         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1224         gtk_widget_hide(s->menu_bar);
1225         if (vc->type == GD_VC_GFX) {
1226             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1227         }
1228         gtk_window_fullscreen(GTK_WINDOW(s->window));
1229         s->full_screen = TRUE;
1230     } else {
1231         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1232         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1233         gtk_widget_show(s->menu_bar);
1234         s->full_screen = FALSE;
1235         if (vc->type == GD_VC_GFX) {
1236             vc->gfx.scale_x = 1.0;
1237             vc->gfx.scale_y = 1.0;
1238             gd_update_windowsize(vc);
1239         }
1240     }
1241
1242     gd_update_cursor(vc);
1243 }
1244
1245 static void gd_accel_full_screen(void *opaque)
1246 {
1247     GtkDisplayState *s = opaque;
1248     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1249 }
1250
1251 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1252 {
1253     GtkDisplayState *s = opaque;
1254     VirtualConsole *vc = gd_vc_find_current(s);
1255
1256     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1257                                    FALSE);
1258
1259     vc->gfx.scale_x += VC_SCALE_STEP;
1260     vc->gfx.scale_y += VC_SCALE_STEP;
1261
1262     gd_update_windowsize(vc);
1263 }
1264
1265 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1266 {
1267     GtkDisplayState *s = opaque;
1268     VirtualConsole *vc = gd_vc_find_current(s);
1269
1270     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1271                                    FALSE);
1272
1273     vc->gfx.scale_x -= VC_SCALE_STEP;
1274     vc->gfx.scale_y -= VC_SCALE_STEP;
1275
1276     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1277     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1278
1279     gd_update_windowsize(vc);
1280 }
1281
1282 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1283 {
1284     GtkDisplayState *s = opaque;
1285     VirtualConsole *vc = gd_vc_find_current(s);
1286
1287     vc->gfx.scale_x = 1.0;
1288     vc->gfx.scale_y = 1.0;
1289
1290     gd_update_windowsize(vc);
1291 }
1292
1293 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1294 {
1295     GtkDisplayState *s = opaque;
1296     VirtualConsole *vc = gd_vc_find_current(s);
1297
1298     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1299         s->free_scale = TRUE;
1300     } else {
1301         s->free_scale = FALSE;
1302         vc->gfx.scale_x = 1.0;
1303         vc->gfx.scale_y = 1.0;
1304     }
1305
1306     gd_update_windowsize(vc);
1307     gd_update_full_redraw(vc);
1308 }
1309
1310 #if GTK_CHECK_VERSION(3, 0, 0)
1311 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1312                             GdkInputSource source, GdkEventMask mask,
1313                             GdkCursor *cursor)
1314 {
1315     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1316     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1317     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1318     GList *tmp = devs;
1319
1320     for (tmp = devs; tmp; tmp = tmp->next) {
1321         GdkDevice *dev = tmp->data;
1322         if (gdk_device_get_source(dev) != source) {
1323             continue;
1324         }
1325         if (grab) {
1326             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1327             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1328                             mask, cursor, GDK_CURRENT_TIME);
1329         } else {
1330             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1331         }
1332     }
1333     g_list_free(devs);
1334 }
1335 #endif
1336
1337 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1338 {
1339     if (vc->s->kbd_owner) {
1340         if (vc->s->kbd_owner == vc) {
1341             return;
1342         } else {
1343             gd_ungrab_keyboard(vc->s);
1344         }
1345     }
1346
1347 #if GTK_CHECK_VERSION(3, 0, 0)
1348     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1349                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1350                    NULL);
1351 #else
1352     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1353                       FALSE,
1354                       GDK_CURRENT_TIME);
1355 #endif
1356     vc->s->kbd_owner = vc;
1357     gd_update_caption(vc->s);
1358     trace_gd_grab(vc->label, "kbd", reason);
1359 }
1360
1361 static void gd_ungrab_keyboard(GtkDisplayState *s)
1362 {
1363     VirtualConsole *vc = s->kbd_owner;
1364
1365     if (vc == NULL) {
1366         return;
1367     }
1368     s->kbd_owner = NULL;
1369
1370 #if GTK_CHECK_VERSION(3, 0, 0)
1371     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1372 #else
1373     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1374 #endif
1375     gd_update_caption(s);
1376     trace_gd_ungrab(vc->label, "kbd");
1377 }
1378
1379 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1380 {
1381     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1382
1383     if (vc->s->ptr_owner) {
1384         if (vc->s->ptr_owner == vc) {
1385             return;
1386         } else {
1387             gd_ungrab_pointer(vc->s);
1388         }
1389     }
1390
1391 #if GTK_CHECK_VERSION(3, 0, 0)
1392     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1393     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1394                     GDK_POINTER_MOTION_MASK |
1395                     GDK_BUTTON_PRESS_MASK |
1396                     GDK_BUTTON_RELEASE_MASK |
1397                     GDK_BUTTON_MOTION_MASK |
1398                     GDK_SCROLL_MASK,
1399                     vc->s->null_cursor);
1400     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1401                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1402 #else
1403     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1404                      FALSE, /* All events to come to our window directly */
1405                      GDK_POINTER_MOTION_MASK |
1406                      GDK_BUTTON_PRESS_MASK |
1407                      GDK_BUTTON_RELEASE_MASK |
1408                      GDK_BUTTON_MOTION_MASK |
1409                      GDK_SCROLL_MASK,
1410                      NULL, /* Allow cursor to move over entire desktop */
1411                      vc->s->null_cursor,
1412                      GDK_CURRENT_TIME);
1413     gdk_display_get_pointer(display, NULL,
1414                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1415 #endif
1416     vc->s->ptr_owner = vc;
1417     gd_update_caption(vc->s);
1418     trace_gd_grab(vc->label, "ptr", reason);
1419 }
1420
1421 static void gd_ungrab_pointer(GtkDisplayState *s)
1422 {
1423     VirtualConsole *vc = s->ptr_owner;
1424
1425     if (vc == NULL) {
1426         return;
1427     }
1428     s->ptr_owner = NULL;
1429
1430     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1431 #if GTK_CHECK_VERSION(3, 0, 0)
1432     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1433     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1434     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1435                     gtk_widget_get_screen(vc->gfx.drawing_area),
1436                     vc->s->grab_x_root, vc->s->grab_y_root);
1437 #else
1438     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1439     gdk_display_warp_pointer(display,
1440                              gtk_widget_get_screen(vc->gfx.drawing_area),
1441                              vc->s->grab_x_root, vc->s->grab_y_root);
1442 #endif
1443     gd_update_caption(s);
1444     trace_gd_ungrab(vc->label, "ptr");
1445 }
1446
1447 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1448 {
1449     GtkDisplayState *s = opaque;
1450     VirtualConsole *vc = gd_vc_find_current(s);
1451
1452     if (gd_is_grab_active(s)) {
1453         gd_grab_keyboard(vc, "user-request-main-window");
1454         gd_grab_pointer(vc, "user-request-main-window");
1455     } else {
1456         gd_ungrab_keyboard(s);
1457         gd_ungrab_pointer(s);
1458     }
1459
1460     gd_update_cursor(vc);
1461 }
1462
1463 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1464                            gpointer data)
1465 {
1466     GtkDisplayState *s = data;
1467     VirtualConsole *vc;
1468     gboolean on_vga;
1469
1470     if (!gtk_widget_get_realized(s->notebook)) {
1471         return;
1472     }
1473
1474 #ifdef VTE_RESIZE_HACK
1475     vc = gd_vc_find_current(s);
1476     if (vc && vc->type == GD_VC_VTE) {
1477         gtk_widget_hide(vc->vte.terminal);
1478     }
1479 #endif
1480     vc = gd_vc_find_by_page(s, arg2);
1481     if (!vc) {
1482         return;
1483     }
1484 #ifdef VTE_RESIZE_HACK
1485     if (vc->type == GD_VC_VTE) {
1486         gtk_widget_show(vc->vte.terminal);
1487     }
1488 #endif
1489     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1490                                    TRUE);
1491     on_vga = (vc->type == GD_VC_GFX &&
1492               qemu_console_is_graphic(vc->gfx.dcl.con));
1493     if (!on_vga) {
1494         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1495                                        FALSE);
1496     } else if (s->full_screen) {
1497         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1498                                        TRUE);
1499     }
1500     gtk_widget_set_sensitive(s->grab_item, on_vga);
1501
1502     gd_update_windowsize(vc);
1503     gd_update_cursor(vc);
1504 }
1505
1506 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1507                                gpointer opaque)
1508 {
1509     VirtualConsole *vc = opaque;
1510     GtkDisplayState *s = vc->s;
1511
1512     if (gd_grab_on_hover(s)) {
1513         gd_grab_keyboard(vc, "grab-on-hover");
1514     }
1515     return TRUE;
1516 }
1517
1518 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1519                                gpointer opaque)
1520 {
1521     VirtualConsole *vc = opaque;
1522     GtkDisplayState *s = vc->s;
1523
1524     if (gd_grab_on_hover(s)) {
1525         gd_ungrab_keyboard(s);
1526     }
1527     return TRUE;
1528 }
1529
1530 static gboolean gd_focus_out_event(GtkWidget *widget,
1531                                    GdkEventCrossing *crossing, gpointer opaque)
1532 {
1533     VirtualConsole *vc = opaque;
1534     GtkDisplayState *s = vc->s;
1535
1536     gtk_release_modifiers(s);
1537     return TRUE;
1538 }
1539
1540 static gboolean gd_configure(GtkWidget *widget,
1541                              GdkEventConfigure *cfg, gpointer opaque)
1542 {
1543     VirtualConsole *vc = opaque;
1544
1545     gd_set_ui_info(vc, cfg->width, cfg->height);
1546     return FALSE;
1547 }
1548
1549 /** Virtual Console Callbacks **/
1550
1551 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1552                                int idx, GSList *group, GtkWidget *view_menu)
1553 {
1554     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1555     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1556             HOTKEY_MODIFIERS, 0,
1557             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1558 #if GTK_CHECK_VERSION(3, 8, 0)
1559     gtk_accel_label_set_accel(
1560             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1561             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1562 #endif
1563
1564     g_signal_connect(vc->menu_item, "activate",
1565                      G_CALLBACK(gd_menu_switch_vc), s);
1566     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1567
1568     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1569     return group;
1570 }
1571
1572 #if defined(CONFIG_VTE)
1573 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1574 {
1575     VirtualConsole *vc = opaque;
1576
1577     if (gtk_adjustment_get_upper(adjustment) >
1578         gtk_adjustment_get_page_size(adjustment)) {
1579         gtk_widget_show(vc->vte.scrollbar);
1580     } else {
1581         gtk_widget_hide(vc->vte.scrollbar);
1582     }
1583 }
1584
1585 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1586 {
1587     VirtualConsole *vc = chr->opaque;
1588
1589     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1590     return len;
1591 }
1592
1593 static void gd_vc_chr_set_echo(CharDriverState *chr, bool echo)
1594 {
1595     VirtualConsole *vc = chr->opaque;
1596
1597     vc->vte.echo = echo;
1598 }
1599
1600 static int nb_vcs;
1601 static CharDriverState *vcs[MAX_VCS];
1602
1603 static CharDriverState *gd_vc_handler(ChardevVC *vc, Error **errp)
1604 {
1605     ChardevCommon *common = qapi_ChardevVC_base(vc);
1606     CharDriverState *chr;
1607
1608     chr = qemu_chr_alloc(common, errp);
1609     if (!chr) {
1610         return NULL;
1611     }
1612
1613     chr->chr_write = gd_vc_chr_write;
1614     chr->chr_set_echo = gd_vc_chr_set_echo;
1615
1616     /* Temporary, until gd_vc_vte_init runs.  */
1617     chr->opaque = g_new0(VirtualConsole, 1);
1618
1619     /* defer OPENED events until our vc is fully initialized */
1620     chr->explicit_be_open = true;
1621
1622     vcs[nb_vcs++] = chr;
1623
1624     return chr;
1625 }
1626
1627 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1628                          gpointer user_data)
1629 {
1630     VirtualConsole *vc = user_data;
1631
1632     if (vc->vte.echo) {
1633         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1634         int i;
1635         for (i = 0; i < size; i++) {
1636             uint8_t c = text[i];
1637             if (c >= 128 || isprint(c)) {
1638                 /* 8-bit characters are considered printable.  */
1639                 vte_terminal_feed(term, &text[i], 1);
1640             } else if (c == '\r' || c == '\n') {
1641                 vte_terminal_feed(term, "\r\n", 2);
1642             } else {
1643                 char ctrl[2] = { '^', 0};
1644                 ctrl[1] = text[i] ^ 64;
1645                 vte_terminal_feed(term, ctrl, 2);
1646             }
1647         }
1648     }
1649
1650     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1651     return TRUE;
1652 }
1653
1654 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1655                               CharDriverState *chr, int idx,
1656                               GSList *group, GtkWidget *view_menu)
1657 {
1658     char buffer[32];
1659     GtkWidget *box;
1660     GtkWidget *scrollbar;
1661     GtkAdjustment *vadjustment;
1662     VirtualConsole *tmp_vc = chr->opaque;
1663
1664     vc->s = s;
1665     vc->vte.echo = tmp_vc->vte.echo;
1666
1667     vc->vte.chr = chr;
1668     chr->opaque = vc;
1669     g_free(tmp_vc);
1670
1671     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1672     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1673                                 ? vc->vte.chr->label : buffer);
1674     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1675
1676     vc->vte.terminal = vte_terminal_new();
1677     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1678
1679     /* The documentation says that the default is UTF-8, but actually it is
1680      * 7-bit ASCII at least in VTE 0.38.
1681      */
1682 #if VTE_CHECK_VERSION(0, 40, 0)
1683     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1684 #else
1685     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1686 #endif
1687
1688     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1689     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1690                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1691
1692 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1693     vadjustment = gtk_scrollable_get_vadjustment
1694         (GTK_SCROLLABLE(vc->vte.terminal));
1695 #else
1696     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1697 #endif
1698
1699 #if GTK_CHECK_VERSION(3, 0, 0)
1700     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1701     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1702 #else
1703     box = gtk_hbox_new(false, 2);
1704     scrollbar = gtk_vscrollbar_new(vadjustment);
1705 #endif
1706
1707     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1708     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1709
1710     vc->vte.box = box;
1711     vc->vte.scrollbar = scrollbar;
1712
1713     g_signal_connect(vadjustment, "changed",
1714                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1715
1716     vc->type = GD_VC_VTE;
1717     vc->tab_item = box;
1718     vc->focus = vc->vte.terminal;
1719     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1720                              gtk_label_new(vc->label));
1721
1722     qemu_chr_be_generic_open(vc->vte.chr);
1723     if (vc->vte.chr->init) {
1724         vc->vte.chr->init(vc->vte.chr);
1725     }
1726
1727     return group;
1728 }
1729
1730 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1731                         GtkWidget *view_menu)
1732 {
1733     int i;
1734
1735     for (i = 0; i < nb_vcs; i++) {
1736         VirtualConsole *vc = &s->vc[s->nb_vcs];
1737         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1738         s->nb_vcs++;
1739     }
1740 }
1741 #endif /* CONFIG_VTE */
1742
1743 /** Window Creation **/
1744
1745 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1746 {
1747 #if GTK_CHECK_VERSION(3, 0, 0)
1748     g_signal_connect(vc->gfx.drawing_area, "draw",
1749                      G_CALLBACK(gd_draw_event), vc);
1750 #if defined(CONFIG_GTK_GL)
1751     if (display_opengl) {
1752         /* wire up GtkGlArea events */
1753         g_signal_connect(vc->gfx.drawing_area, "render",
1754                          G_CALLBACK(gd_render_event), vc);
1755         g_signal_connect(vc->gfx.drawing_area, "resize",
1756                          G_CALLBACK(gd_resize_event), vc);
1757     }
1758 #endif
1759 #else
1760     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1761                      G_CALLBACK(gd_expose_event), vc);
1762 #endif
1763     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1764         g_signal_connect(vc->gfx.drawing_area, "event",
1765                          G_CALLBACK(gd_event), vc);
1766         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1767                          G_CALLBACK(gd_button_event), vc);
1768         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1769                          G_CALLBACK(gd_button_event), vc);
1770         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1771                          G_CALLBACK(gd_scroll_event), vc);
1772         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1773                          G_CALLBACK(gd_key_event), vc);
1774         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1775                          G_CALLBACK(gd_key_event), vc);
1776
1777         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1778                          G_CALLBACK(gd_enter_event), vc);
1779         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1780                          G_CALLBACK(gd_leave_event), vc);
1781         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1782                          G_CALLBACK(gd_focus_out_event), vc);
1783         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1784                          G_CALLBACK(gd_configure), vc);
1785     } else {
1786         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1787                          G_CALLBACK(gd_text_key_down), vc);
1788     }
1789 }
1790
1791 static void gd_connect_signals(GtkDisplayState *s)
1792 {
1793     g_signal_connect(s->show_tabs_item, "activate",
1794                      G_CALLBACK(gd_menu_show_tabs), s);
1795     g_signal_connect(s->untabify_item, "activate",
1796                      G_CALLBACK(gd_menu_untabify), s);
1797
1798     g_signal_connect(s->window, "delete-event",
1799                      G_CALLBACK(gd_window_close), s);
1800
1801     g_signal_connect(s->pause_item, "activate",
1802                      G_CALLBACK(gd_menu_pause), s);
1803     g_signal_connect(s->reset_item, "activate",
1804                      G_CALLBACK(gd_menu_reset), s);
1805     g_signal_connect(s->powerdown_item, "activate",
1806                      G_CALLBACK(gd_menu_powerdown), s);
1807     g_signal_connect(s->quit_item, "activate",
1808                      G_CALLBACK(gd_menu_quit), s);
1809     g_signal_connect(s->full_screen_item, "activate",
1810                      G_CALLBACK(gd_menu_full_screen), s);
1811     g_signal_connect(s->zoom_in_item, "activate",
1812                      G_CALLBACK(gd_menu_zoom_in), s);
1813     g_signal_connect(s->zoom_out_item, "activate",
1814                      G_CALLBACK(gd_menu_zoom_out), s);
1815     g_signal_connect(s->zoom_fixed_item, "activate",
1816                      G_CALLBACK(gd_menu_zoom_fixed), s);
1817     g_signal_connect(s->zoom_fit_item, "activate",
1818                      G_CALLBACK(gd_menu_zoom_fit), s);
1819     g_signal_connect(s->grab_item, "activate",
1820                      G_CALLBACK(gd_menu_grab_input), s);
1821     g_signal_connect(s->notebook, "switch-page",
1822                      G_CALLBACK(gd_change_page), s);
1823 }
1824
1825 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1826 {
1827     GtkWidget *machine_menu;
1828     GtkWidget *separator;
1829
1830     machine_menu = gtk_menu_new();
1831     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1832
1833     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1834     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1835
1836     separator = gtk_separator_menu_item_new();
1837     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1838
1839     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1840     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1841
1842     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1843     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1844
1845     separator = gtk_separator_menu_item_new();
1846     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1847
1848     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1849     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1850                                  "<QEMU>/Machine/Quit");
1851     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1852                             GDK_KEY_q, HOTKEY_MODIFIERS);
1853     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1854
1855     return machine_menu;
1856 }
1857
1858 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1859                               QemuConsole *con, int idx,
1860                               GSList *group, GtkWidget *view_menu)
1861 {
1862     vc->label = qemu_console_get_label(con);
1863     vc->s = s;
1864     vc->gfx.scale_x = 1.0;
1865     vc->gfx.scale_y = 1.0;
1866
1867 #if defined(CONFIG_OPENGL)
1868     if (display_opengl) {
1869 #if defined(CONFIG_GTK_GL)
1870         vc->gfx.drawing_area = gtk_gl_area_new();
1871         vc->gfx.dcl.ops = &dcl_gl_area_ops;
1872 #else
1873         vc->gfx.drawing_area = gtk_drawing_area_new();
1874         /*
1875          * gtk_widget_set_double_buffered() was deprecated in 3.14.
1876          * It is required for opengl rendering on X11 though.  A
1877          * proper replacement (native opengl support) is only
1878          * available in 3.16+.  Silence the warning if possible.
1879          */
1880 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1881 #pragma GCC diagnostic push
1882 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1883 #endif
1884         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1885 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1886 #pragma GCC diagnostic pop
1887 #endif
1888         vc->gfx.dcl.ops = &dcl_egl_ops;
1889 #endif /* CONFIG_GTK_GL */
1890     } else
1891 #endif
1892     {
1893         vc->gfx.drawing_area = gtk_drawing_area_new();
1894         vc->gfx.dcl.ops = &dcl_ops;
1895     }
1896
1897
1898     gtk_widget_add_events(vc->gfx.drawing_area,
1899                           GDK_POINTER_MOTION_MASK |
1900                           GDK_BUTTON_PRESS_MASK |
1901                           GDK_BUTTON_RELEASE_MASK |
1902                           GDK_BUTTON_MOTION_MASK |
1903                           GDK_ENTER_NOTIFY_MASK |
1904                           GDK_LEAVE_NOTIFY_MASK |
1905                           GDK_SCROLL_MASK |
1906                           GDK_KEY_PRESS_MASK);
1907     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1908
1909     vc->type = GD_VC_GFX;
1910     vc->tab_item = vc->gfx.drawing_area;
1911     vc->focus = vc->gfx.drawing_area;
1912     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1913                              vc->tab_item, gtk_label_new(vc->label));
1914
1915     vc->gfx.dcl.con = con;
1916     register_displaychangelistener(&vc->gfx.dcl);
1917
1918     gd_connect_vc_gfx_signals(vc);
1919     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1920
1921     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
1922         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
1923         s->free_scale = true;
1924     }
1925
1926     return group;
1927 }
1928
1929 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
1930 {
1931     GSList *group = NULL;
1932     GtkWidget *view_menu;
1933     GtkWidget *separator;
1934     QemuConsole *con;
1935     int vc;
1936
1937     view_menu = gtk_menu_new();
1938     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
1939
1940     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1941
1942     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
1943             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
1944 #if GTK_CHECK_VERSION(3, 8, 0)
1945     gtk_accel_label_set_accel(
1946             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
1947             GDK_KEY_f, HOTKEY_MODIFIERS);
1948 #endif
1949     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1950
1951     separator = gtk_separator_menu_item_new();
1952     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1953
1954     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1955     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1956                                  "<QEMU>/View/Zoom In");
1957     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1958                             HOTKEY_MODIFIERS);
1959     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1960
1961     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1962     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1963                                  "<QEMU>/View/Zoom Out");
1964     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1965                             HOTKEY_MODIFIERS);
1966     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1967
1968     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1969     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1970                                  "<QEMU>/View/Zoom Fixed");
1971     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1972                             HOTKEY_MODIFIERS);
1973     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1974
1975     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1976     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1977
1978     separator = gtk_separator_menu_item_new();
1979     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1980
1981     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1982     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1983
1984     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1985     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1986                                  "<QEMU>/View/Grab Input");
1987     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1988                             HOTKEY_MODIFIERS);
1989     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1990
1991     separator = gtk_separator_menu_item_new();
1992     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1993
1994     /* gfx */
1995     for (vc = 0;; vc++) {
1996         con = qemu_console_lookup_by_index(vc);
1997         if (!con) {
1998             break;
1999         }
2000         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2001                                vc, group, view_menu);
2002         s->nb_vcs++;
2003     }
2004
2005 #if defined(CONFIG_VTE)
2006     /* vte */
2007     gd_vcs_init(s, group, view_menu);
2008 #endif
2009
2010     separator = gtk_separator_menu_item_new();
2011     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2012
2013     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2014     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2015
2016     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2017     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2018
2019     return view_menu;
2020 }
2021
2022 static void gd_create_menus(GtkDisplayState *s)
2023 {
2024     s->accel_group = gtk_accel_group_new();
2025     s->machine_menu = gd_create_menu_machine(s);
2026     s->view_menu = gd_create_menu_view(s);
2027
2028     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2029     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2030                               s->machine_menu);
2031     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2032
2033     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2034     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2035     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2036
2037     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2038     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2039 }
2040
2041 static void gd_set_keycode_type(GtkDisplayState *s)
2042 {
2043 #ifdef GDK_WINDOWING_X11
2044     GdkDisplay *display = gtk_widget_get_display(s->window);
2045     if (GDK_IS_X11_DISPLAY(display)) {
2046         Display *x11_display = gdk_x11_display_get_xdisplay(display);
2047         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
2048                                          XkbUseCoreKbd);
2049         char *keycodes = NULL;
2050
2051         if (desc && desc->names) {
2052             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
2053         }
2054         if (keycodes == NULL) {
2055             fprintf(stderr, "could not lookup keycode name\n");
2056         } else if (strstart(keycodes, "evdev", NULL)) {
2057             s->has_evdev = true;
2058         } else if (!strstart(keycodes, "xfree86", NULL)) {
2059             fprintf(stderr, "unknown keycodes `%s', please report to "
2060                     "qemu-devel@nongnu.org\n", keycodes);
2061         }
2062
2063         if (desc) {
2064             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
2065         }
2066         if (keycodes) {
2067             XFree(keycodes);
2068         }
2069     }
2070 #endif
2071 }
2072
2073 static gboolean gtkinit;
2074
2075 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
2076 {
2077     GtkDisplayState *s = g_malloc0(sizeof(*s));
2078     char *filename;
2079     GdkDisplay *window_display;
2080
2081     if (!gtkinit) {
2082         fprintf(stderr, "gtk initialization failed\n");
2083         exit(1);
2084     }
2085
2086     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2087 #if GTK_CHECK_VERSION(3, 2, 0)
2088     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2089 #else
2090     s->vbox = gtk_vbox_new(FALSE, 0);
2091 #endif
2092     s->notebook = gtk_notebook_new();
2093     s->menu_bar = gtk_menu_bar_new();
2094
2095     s->free_scale = FALSE;
2096
2097     /* LC_MESSAGES only. See early_gtk_display_init() for details */
2098     setlocale(LC_MESSAGES, "");
2099     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2100     textdomain("qemu");
2101
2102     window_display = gtk_widget_get_display(s->window);
2103     s->null_cursor = gdk_cursor_new_for_display(window_display,
2104                                                 GDK_BLANK_CURSOR);
2105
2106     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2107     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2108     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2109
2110     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2111     if (filename) {
2112         GError *error = NULL;
2113         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2114         if (pixbuf) {
2115             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2116         } else {
2117             g_error_free(error);
2118         }
2119         g_free(filename);
2120     }
2121
2122     gd_create_menus(s);
2123
2124     gd_connect_signals(s);
2125
2126     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2127     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2128
2129     gd_update_caption(s);
2130
2131     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2132     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2133
2134     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2135
2136     gtk_widget_show_all(s->window);
2137
2138 #ifdef VTE_RESIZE_HACK
2139     {
2140         VirtualConsole *cur = gd_vc_find_current(s);
2141         if (cur) {
2142             int i;
2143
2144             for (i = 0; i < s->nb_vcs; i++) {
2145                 VirtualConsole *vc = &s->vc[i];
2146                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2147                     gtk_widget_hide(vc->vte.terminal);
2148                 }
2149             }
2150             gd_update_windowsize(cur);
2151         }
2152     }
2153 #endif
2154
2155     if (full_screen) {
2156         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2157     }
2158     if (grab_on_hover) {
2159         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2160     }
2161
2162     gd_set_keycode_type(s);
2163 }
2164
2165 void early_gtk_display_init(int opengl)
2166 {
2167     /* The QEMU code relies on the assumption that it's always run in
2168      * the C locale. Therefore it is not prepared to deal with
2169      * operations that produce different results depending on the
2170      * locale, such as printf's formatting of decimal numbers, and
2171      * possibly others.
2172      *
2173      * Since GTK+ calls setlocale() by default -importing the locale
2174      * settings from the environment- we must prevent it from doing so
2175      * using gtk_disable_setlocale().
2176      *
2177      * QEMU's GTK+ UI, however, _does_ have translations for some of
2178      * the menu items. As a trade-off between a functionally correct
2179      * QEMU and a fully internationalized UI we support importing
2180      * LC_MESSAGES from the environment (see the setlocale() call
2181      * earlier in this file). This allows us to display translated
2182      * messages leaving everything else untouched.
2183      */
2184     gtk_disable_setlocale();
2185     gtkinit = gtk_init_check(NULL, NULL);
2186     if (!gtkinit) {
2187         /* don't exit yet, that'll break -help */
2188         return;
2189     }
2190
2191     switch (opengl) {
2192     case -1: /* default */
2193     case 0:  /* off */
2194         break;
2195     case 1: /* on */
2196 #if defined(CONFIG_OPENGL)
2197 #if defined(CONFIG_GTK_GL)
2198         gtk_gl_area_init();
2199 #else
2200         gtk_egl_init();
2201 #endif
2202 #endif
2203         break;
2204     default:
2205         g_assert_not_reached();
2206         break;
2207     }
2208
2209 #if defined(CONFIG_VTE)
2210     register_vc_handler(gd_vc_handler);
2211 #endif
2212 }