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 "qapi/error.h"
  40 #include "qapi/qapi-commands-misc.h"
  41 #include "qemu/cutils.h"
  42
  43 #include "ui/console.h"
  44 #include "ui/gtk.h"
  45
  46 #include <glib/gi18n.h>
  47 #include <locale.h>
  48 #if defined(CONFIG_VTE)
  49 #include <vte/vte.h>
  50 #endif
  51 #include <math.h>
  52
  53 #include "trace.h"
  54 #include "ui/input.h"
  55 #include "sysemu/sysemu.h"
  56 #include "keymaps.h"
  57 #include "chardev/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 #ifdef GDK_WINDOWING_X11
  69 #include "x_keymap.h"
  70
  71 /* Gtk2 compat */
  72 #ifndef GDK_IS_X11_DISPLAY
  73 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
  74 #endif
  75 #endif
  76
  77
  78 #ifdef GDK_WINDOWING_WAYLAND
  79 /* Gtk2 compat */
  80 #ifndef GDK_IS_WAYLAND_DISPLAY
  81 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
  82 #endif
  83 #endif
  84
  85
  86 #ifdef GDK_WINDOWING_WIN32
  87 /* Gtk2 compat */
  88 #ifndef GDK_IS_WIN32_DISPLAY
  89 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
  90 #endif
  91 #endif
  92
  93
  94 #ifdef GDK_WINDOWING_BROADWAY
  95 /* Gtk2 compat */
  96 #ifndef GDK_IS_BROADWAY_DISPLAY
  97 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
  98 #endif
  99 #endif
 100
 101
 102 #ifdef GDK_WINDOWING_QUARTZ
 103 /* Gtk2 compat */
 104 #ifndef GDK_IS_QUARTZ_DISPLAY
 105 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
 106 #endif
 107 #endif
 108
 109
 110 #if !defined(CONFIG_VTE)
 111 # define VTE_CHECK_VERSION(a, b, c) 0
 112 #endif
 113
 114 /* Some older mingw versions lack this constant or have
 115  * it conditionally defined */
 116 #ifdef _WIN32
 117 # ifndef MAPVK_VK_TO_VSC
 118 #  define MAPVK_VK_TO_VSC 0
 119 # endif
 120 #endif
 121
 122
 123 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 124
 125 static const int modifier_keycode[] = {
 126     Q_KEY_CODE_SHIFT,
 127     Q_KEY_CODE_SHIFT_R,
 128     Q_KEY_CODE_CTRL,
 129     Q_KEY_CODE_CTRL_R,
 130     Q_KEY_CODE_ALT,
 131     Q_KEY_CODE_ALT_R,
 132     Q_KEY_CODE_META_L,
 133     Q_KEY_CODE_META_R,
 134 };
 135
 136 static const guint16 *keycode_map;
 137 static size_t keycode_maplen;
 138
 139 struct GtkDisplayState {
 140     GtkWidget *window;
 141
 142     GtkWidget *menu_bar;
 143
 144     GtkAccelGroup *accel_group;
 145
 146     GtkWidget *machine_menu_item;
 147     GtkWidget *machine_menu;
 148     GtkWidget *pause_item;
 149     GtkWidget *reset_item;
 150     GtkWidget *powerdown_item;
 151     GtkWidget *quit_item;
 152
 153     GtkWidget *view_menu_item;
 154     GtkWidget *view_menu;
 155     GtkWidget *full_screen_item;
 156     GtkWidget *copy_item;
 157     GtkWidget *zoom_in_item;
 158     GtkWidget *zoom_out_item;
 159     GtkWidget *zoom_fixed_item;
 160     GtkWidget *zoom_fit_item;
 161     GtkWidget *grab_item;
 162     GtkWidget *grab_on_hover_item;
 163
 164     int nb_vcs;
 165     VirtualConsole vc[MAX_VCS];
 166
 167     GtkWidget *show_tabs_item;
 168     GtkWidget *untabify_item;
 169     GtkWidget *show_menubar_item;
 170
 171     GtkWidget *vbox;
 172     GtkWidget *notebook;
 173     int button_mask;
 174     gboolean last_set;
 175     int last_x;
 176     int last_y;
 177     int grab_x_root;
 178     int grab_y_root;
 179     VirtualConsole *kbd_owner;
 180     VirtualConsole *ptr_owner;
 181
 182     gboolean full_screen;
 183
 184     GdkCursor *null_cursor;
 185     Notifier mouse_mode_notifier;
 186     gboolean free_scale;
 187
 188     bool external_pause_update;
 189
 190     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
 191     bool ignore_keys;
 192
 193     DisplayOptions *opts;
 194 };
 195
 196 typedef struct VCChardev {
 197     Chardev parent;
 198     VirtualConsole *console;
 199     bool echo;
 200 } VCChardev;
 201
 202 #define TYPE_CHARDEV_VC "chardev-vc"
 203 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
 204
 205 bool gtk_use_gl_area;
 206
 207 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 208 static void gd_ungrab_pointer(GtkDisplayState *s);
 209 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 210 static void gd_ungrab_keyboard(GtkDisplayState *s);
 211
 212 /** Utility Functions **/
 213
 214 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 215 {
 216     VirtualConsole *vc;
 217     gint i;
 218
 219     for (i = 0; i < s->nb_vcs; i++) {
 220         vc = &s->vc[i];
 221         if (gtk_check_menu_item_get_active
 222             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 223             return vc;
 224         }
 225     }
 226     return NULL;
 227 }
 228
 229 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 230 {
 231     VirtualConsole *vc;
 232     gint i, p;
 233
 234     for (i = 0; i < s->nb_vcs; i++) {
 235         vc = &s->vc[i];
 236         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 237         if (p == page) {
 238             return vc;
 239         }
 240     }
 241     return NULL;
 242 }
 243
 244 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 245 {
 246     gint page;
 247
 248     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 249     return gd_vc_find_by_page(s, page);
 250 }
 251
 252 static bool gd_is_grab_active(GtkDisplayState *s)
 253 {
 254     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 255 }
 256
 257 static bool gd_grab_on_hover(GtkDisplayState *s)
 258 {
 259     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 260 }
 261
 262 static void gd_update_cursor(VirtualConsole *vc)
 263 {
 264     GtkDisplayState *s = vc->s;
 265     GdkWindow *window;
 266
 267     if (vc->type != GD_VC_GFX ||
 268         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 269         return;
 270     }
 271
 272     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 273         return;
 274     }
 275
 276     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 277     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 278         gdk_window_set_cursor(window, s->null_cursor);
 279     } else {
 280         gdk_window_set_cursor(window, NULL);
 281     }
 282 }
 283
 284 static void gd_update_caption(GtkDisplayState *s)
 285 {
 286     const char *status = "";
 287     gchar *prefix;
 288     gchar *title;
 289     const char *grab = "";
 290     bool is_paused = !runstate_is_running();
 291     int i;
 292
 293     if (qemu_name) {
 294         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 295     } else {
 296         prefix = g_strdup_printf("QEMU");
 297     }
 298
 299     if (s->ptr_owner != NULL &&
 300         s->ptr_owner->window == NULL) {
 301         grab = _(" - Press Ctrl+Alt+G to release grab");
 302     }
 303
 304     if (is_paused) {
 305         status = _(" [Paused]");
 306     }
 307     s->external_pause_update = true;
 308     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 309                                    is_paused);
 310     s->external_pause_update = false;
 311
 312     title = g_strdup_printf("%s%s%s", prefix, status, grab);
 313     gtk_window_set_title(GTK_WINDOW(s->window), title);
 314     g_free(title);
 315
 316     for (i = 0; i < s->nb_vcs; i++) {
 317         VirtualConsole *vc = &s->vc[i];
 318
 319         if (!vc->window) {
 320             continue;
 321         }
 322         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 323                                 vc == s->kbd_owner ? " +kbd" : "",
 324                                 vc == s->ptr_owner ? " +ptr" : "");
 325         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 326         g_free(title);
 327     }
 328
 329     g_free(prefix);
 330 }
 331
 332 static void gd_update_geometry_hints(VirtualConsole *vc)
 333 {
 334     GtkDisplayState *s = vc->s;
 335     GdkWindowHints mask = 0;
 336     GdkGeometry geo = {};
 337     GtkWidget *geo_widget = NULL;
 338     GtkWindow *geo_window;
 339
 340     if (vc->type == GD_VC_GFX) {
 341         if (!vc->gfx.ds) {
 342             return;
 343         }
 344         if (s->free_scale) {
 345             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 346             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 347             mask |= GDK_HINT_MIN_SIZE;
 348         } else {
 349             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 350             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 351             mask |= GDK_HINT_MIN_SIZE;
 352         }
 353         geo_widget = vc->gfx.drawing_area;
 354         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 355
 356 #if defined(CONFIG_VTE)
 357     } else if (vc->type == GD_VC_VTE) {
 358         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 359         GtkBorder padding = { 0 };
 360
 361 #if VTE_CHECK_VERSION(0, 37, 0)
 362         gtk_style_context_get_padding(
 363                 gtk_widget_get_style_context(vc->vte.terminal),
 364                 gtk_widget_get_state_flags(vc->vte.terminal),
 365                 &padding);
 366 #else
 367         {
 368             GtkBorder *ib = NULL;
 369             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 370             if (ib) {
 371                 padding = *ib;
 372                 gtk_border_free(ib);
 373             }
 374         }
 375 #endif
 376
 377         geo.width_inc  = vte_terminal_get_char_width(term);
 378         geo.height_inc = vte_terminal_get_char_height(term);
 379         mask |= GDK_HINT_RESIZE_INC;
 380         geo.base_width  = geo.width_inc;
 381         geo.base_height = geo.height_inc;
 382         mask |= GDK_HINT_BASE_SIZE;
 383         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 384         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 385         mask |= GDK_HINT_MIN_SIZE;
 386
 387         geo.base_width  += padding.left + padding.right;
 388         geo.base_height += padding.top + padding.bottom;
 389         geo.min_width   += padding.left + padding.right;
 390         geo.min_height  += padding.top + padding.bottom;
 391         geo_widget = vc->vte.terminal;
 392 #endif
 393     }
 394
 395     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 396     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 397 }
 398
 399 void gd_update_windowsize(VirtualConsole *vc)
 400 {
 401     GtkDisplayState *s = vc->s;
 402
 403     gd_update_geometry_hints(vc);
 404
 405     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 406         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 407                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 408     }
 409 }
 410
 411 static void gd_update_full_redraw(VirtualConsole *vc)
 412 {
 413     GtkWidget *area = vc->gfx.drawing_area;
 414     int ww, wh;
 415     ww = gdk_window_get_width(gtk_widget_get_window(area));
 416     wh = gdk_window_get_height(gtk_widget_get_window(area));
 417 #if defined(CONFIG_GTK_GL)
 418     if (vc->gfx.gls && gtk_use_gl_area) {
 419         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 420         return;
 421     }
 422 #endif
 423     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 424 }
 425
 426 static void gtk_release_modifiers(GtkDisplayState *s)
 427 {
 428     VirtualConsole *vc = gd_vc_find_current(s);
 429     int i, qcode;
 430
 431     if (vc->type != GD_VC_GFX ||
 432         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 433         return;
 434     }
 435     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 436         qcode = modifier_keycode[i];
 437         if (!s->modifier_pressed[i]) {
 438             continue;
 439         }
 440         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode, false);
 441         s->modifier_pressed[i] = false;
 442     }
 443 }
 444
 445 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 446                                GtkWidget *widget)
 447 {
 448     g_object_ref(G_OBJECT(widget));
 449     gtk_container_remove(GTK_CONTAINER(from), widget);
 450     gtk_container_add(GTK_CONTAINER(to), widget);
 451     g_object_unref(G_OBJECT(widget));
 452 }
 453
 454 /** DisplayState Callbacks **/
 455
 456 static void gd_update(DisplayChangeListener *dcl,
 457                       int x, int y, int w, int h)
 458 {
 459     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 460     GdkWindow *win;
 461     int x1, x2, y1, y2;
 462     int mx, my;
 463     int fbw, fbh;
 464     int ww, wh;
 465
 466     trace_gd_update(vc->label, x, y, w, h);
 467
 468     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 469         return;
 470     }
 471
 472     if (vc->gfx.convert) {
 473         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 474                                NULL, vc->gfx.convert,
 475                                x, y, 0, 0, x, y, w, h);
 476     }
 477
 478     x1 = floor(x * vc->gfx.scale_x);
 479     y1 = floor(y * vc->gfx.scale_y);
 480
 481     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 482     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 483
 484     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 485     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 486
 487     win = gtk_widget_get_window(vc->gfx.drawing_area);
 488     if (!win) {
 489         return;
 490     }
 491     ww = gdk_window_get_width(win);
 492     wh = gdk_window_get_height(win);
 493
 494     mx = my = 0;
 495     if (ww > fbw) {
 496         mx = (ww - fbw) / 2;
 497     }
 498     if (wh > fbh) {
 499         my = (wh - fbh) / 2;
 500     }
 501
 502     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 503                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 504 }
 505
 506 static void gd_refresh(DisplayChangeListener *dcl)
 507 {
 508     graphic_hw_update(dcl->con);
 509 }
 510
 511 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
 512 {
 513 #if GTK_CHECK_VERSION(3, 20, 0)
 514     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
 515 #else
 516     return gdk_device_manager_get_client_pointer(
 517         gdk_display_get_device_manager(dpy));
 518 #endif
 519 }
 520
 521 static void gd_mouse_set(DisplayChangeListener *dcl,
 522                          int x, int y, int visible)
 523 {
 524     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 525     GdkDisplay *dpy;
 526     gint x_root, y_root;
 527
 528     if (qemu_input_is_absolute()) {
 529         return;
 530     }
 531
 532     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 533     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 534                                x, y, &x_root, &y_root);
 535     gdk_device_warp(gd_get_pointer(dpy),
 536                     gtk_widget_get_screen(vc->gfx.drawing_area),
 537                     x_root, y_root);
 538     vc->s->last_x = x;
 539     vc->s->last_y = y;
 540 }
 541
 542 static void gd_cursor_define(DisplayChangeListener *dcl,
 543                              QEMUCursor *c)
 544 {
 545     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 546     GdkPixbuf *pixbuf;
 547     GdkCursor *cursor;
 548
 549     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 550         return;
 551     }
 552
 553     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 554                                       GDK_COLORSPACE_RGB, true, 8,
 555                                       c->width, c->height, c->width * 4,
 556                                       NULL, NULL);
 557     cursor = gdk_cursor_new_from_pixbuf
 558         (gtk_widget_get_display(vc->gfx.drawing_area),
 559          pixbuf, c->hot_x, c->hot_y);
 560     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 561     g_object_unref(pixbuf);
 562     g_object_unref(cursor);
 563 }
 564
 565 static void gd_switch(DisplayChangeListener *dcl,
 566                       DisplaySurface *surface)
 567 {
 568     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 569     bool resized = true;
 570
 571     trace_gd_switch(vc->label,
 572                     surface ? surface_width(surface)  : 0,
 573                     surface ? surface_height(surface) : 0);
 574
 575     if (vc->gfx.surface) {
 576         cairo_surface_destroy(vc->gfx.surface);
 577         vc->gfx.surface = NULL;
 578     }
 579     if (vc->gfx.convert) {
 580         pixman_image_unref(vc->gfx.convert);
 581         vc->gfx.convert = NULL;
 582     }
 583
 584     if (vc->gfx.ds && surface &&
 585         surface_width(vc->gfx.ds) == surface_width(surface) &&
 586         surface_height(vc->gfx.ds) == surface_height(surface)) {
 587         resized = false;
 588     }
 589     vc->gfx.ds = surface;
 590
 591     if (!surface) {
 592         return;
 593     }
 594
 595     if (surface->format == PIXMAN_x8r8g8b8) {
 596         /*
 597          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 598          *
 599          * No need to convert, use surface directly.  Should be the
 600          * common case as this is qemu_default_pixelformat(32) too.
 601          */
 602         vc->gfx.surface = cairo_image_surface_create_for_data
 603             (surface_data(surface),
 604              CAIRO_FORMAT_RGB24,
 605              surface_width(surface),
 606              surface_height(surface),
 607              surface_stride(surface));
 608     } else {
 609         /* Must convert surface, use pixman to do it. */
 610         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 611                                                    surface_width(surface),
 612                                                    surface_height(surface),
 613                                                    NULL, 0);
 614         vc->gfx.surface = cairo_image_surface_create_for_data
 615             ((void *)pixman_image_get_data(vc->gfx.convert),
 616              CAIRO_FORMAT_RGB24,
 617              pixman_image_get_width(vc->gfx.convert),
 618              pixman_image_get_height(vc->gfx.convert),
 619              pixman_image_get_stride(vc->gfx.convert));
 620         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 621                                NULL, vc->gfx.convert,
 622                                0, 0, 0, 0, 0, 0,
 623                                pixman_image_get_width(vc->gfx.convert),
 624                                pixman_image_get_height(vc->gfx.convert));
 625     }
 626
 627     if (resized) {
 628         gd_update_windowsize(vc);
 629     } else {
 630         gd_update_full_redraw(vc);
 631     }
 632 }
 633
 634 static const DisplayChangeListenerOps dcl_ops = {
 635     .dpy_name             = "gtk",
 636     .dpy_gfx_update       = gd_update,
 637     .dpy_gfx_switch       = gd_switch,
 638     .dpy_gfx_check_format = qemu_pixman_check_format,
 639     .dpy_refresh          = gd_refresh,
 640     .dpy_mouse_set        = gd_mouse_set,
 641     .dpy_cursor_define    = gd_cursor_define,
 642 };
 643
 644
 645 #if defined(CONFIG_OPENGL)
 646
 647 /** DisplayState Callbacks (opengl version) **/
 648
 649 #if defined(CONFIG_GTK_GL)
 650
 651 static const DisplayChangeListenerOps dcl_gl_area_ops = {
 652     .dpy_name             = "gtk-egl",
 653     .dpy_gfx_update       = gd_gl_area_update,
 654     .dpy_gfx_switch       = gd_gl_area_switch,
 655     .dpy_gfx_check_format = console_gl_check_format,
 656     .dpy_refresh          = gd_gl_area_refresh,
 657     .dpy_mouse_set        = gd_mouse_set,
 658     .dpy_cursor_define    = gd_cursor_define,
 659
 660     .dpy_gl_ctx_create       = gd_gl_area_create_context,
 661     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 662     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 663     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
 664     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
 665     .dpy_gl_update           = gd_gl_area_scanout_flush,
 666 };
 667
 668 #endif /* CONFIG_GTK_GL */
 669
 670 static const DisplayChangeListenerOps dcl_egl_ops = {
 671     .dpy_name             = "gtk-egl",
 672     .dpy_gfx_update       = gd_egl_update,
 673     .dpy_gfx_switch       = gd_egl_switch,
 674     .dpy_gfx_check_format = console_gl_check_format,
 675     .dpy_refresh          = gd_egl_refresh,
 676     .dpy_mouse_set        = gd_mouse_set,
 677     .dpy_cursor_define    = gd_cursor_define,
 678
 679     .dpy_gl_ctx_create       = gd_egl_create_context,
 680     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 681     .dpy_gl_ctx_make_current = gd_egl_make_current,
 682     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
 683     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
 684     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
 685     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
 686     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
 687     .dpy_gl_cursor_position  = gd_egl_cursor_position,
 688     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
 689     .dpy_gl_update           = gd_egl_scanout_flush,
 690 };
 691
 692 #endif /* CONFIG_OPENGL */
 693
 694 /** QEMU Events **/
 695
 696 static void gd_change_runstate(void *opaque, int running, RunState state)
 697 {
 698     GtkDisplayState *s = opaque;
 699
 700     gd_update_caption(s);
 701 }
 702
 703 static void gd_mouse_mode_change(Notifier *notify, void *data)
 704 {
 705     GtkDisplayState *s;
 706     int i;
 707
 708     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 709     /* release the grab at switching to absolute mode */
 710     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 711         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 712                                        FALSE);
 713     }
 714     for (i = 0; i < s->nb_vcs; i++) {
 715         VirtualConsole *vc = &s->vc[i];
 716         gd_update_cursor(vc);
 717     }
 718 }
 719
 720 /** GTK Events **/
 721
 722 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 723                                 void *opaque)
 724 {
 725     GtkDisplayState *s = opaque;
 726     bool allow_close = true;
 727
 728     if (s->opts->has_window_close && !s->opts->window_close) {
 729         allow_close = false;
 730     }
 731
 732     if (allow_close) {
 733         qmp_quit(NULL);
 734     }
 735
 736     return TRUE;
 737 }
 738
 739 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 740 {
 741     QemuUIInfo info;
 742
 743     memset(&info, 0, sizeof(info));
 744     info.width = width;
 745     info.height = height;
 746     dpy_set_ui_info(vc->gfx.dcl.con, &info);
 747 }
 748
 749 #if defined(CONFIG_GTK_GL)
 750
 751 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 752                                 void *opaque)
 753 {
 754     VirtualConsole *vc = opaque;
 755
 756     if (vc->gfx.gls) {
 757         gd_gl_area_draw(vc);
 758     }
 759     return TRUE;
 760 }
 761
 762 static void gd_resize_event(GtkGLArea *area,
 763                             gint width, gint height, gpointer *opaque)
 764 {
 765     VirtualConsole *vc = (void *)opaque;
 766
 767     gd_set_ui_info(vc, width, height);
 768 }
 769
 770 #endif
 771
 772 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 773 {
 774     VirtualConsole *vc = opaque;
 775     GtkDisplayState *s = vc->s;
 776     int mx, my;
 777     int ww, wh;
 778     int fbw, fbh;
 779
 780 #if defined(CONFIG_OPENGL)
 781     if (vc->gfx.gls) {
 782         if (gtk_use_gl_area) {
 783             /* invoke render callback please */
 784             return FALSE;
 785         } else {
 786             gd_egl_draw(vc);
 787             return TRUE;
 788         }
 789     }
 790 #endif
 791
 792     if (!gtk_widget_get_realized(widget)) {
 793         return FALSE;
 794     }
 795     if (!vc->gfx.ds) {
 796         return FALSE;
 797     }
 798
 799     fbw = surface_width(vc->gfx.ds);
 800     fbh = surface_height(vc->gfx.ds);
 801
 802     ww = gdk_window_get_width(gtk_widget_get_window(widget));
 803     wh = gdk_window_get_height(gtk_widget_get_window(widget));
 804
 805     if (s->full_screen) {
 806         vc->gfx.scale_x = (double)ww / fbw;
 807         vc->gfx.scale_y = (double)wh / fbh;
 808     } else if (s->free_scale) {
 809         double sx, sy;
 810
 811         sx = (double)ww / fbw;
 812         sy = (double)wh / fbh;
 813
 814         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 815     }
 816
 817     fbw *= vc->gfx.scale_x;
 818     fbh *= vc->gfx.scale_y;
 819
 820     mx = my = 0;
 821     if (ww > fbw) {
 822         mx = (ww - fbw) / 2;
 823     }
 824     if (wh > fbh) {
 825         my = (wh - fbh) / 2;
 826     }
 827
 828     cairo_rectangle(cr, 0, 0, ww, wh);
 829
 830     /* Optionally cut out the inner area where the pixmap
 831        will be drawn. This avoids 'flashing' since we're
 832        not double-buffering. Note we're using the undocumented
 833        behaviour of drawing the rectangle from right to left
 834        to cut out the whole */
 835     cairo_rectangle(cr, mx + fbw, my,
 836                     -1 * fbw, fbh);
 837     cairo_fill(cr);
 838
 839     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 840     cairo_set_source_surface(cr, vc->gfx.surface,
 841                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 842     cairo_paint(cr);
 843
 844     return TRUE;
 845 }
 846
 847 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 848                                 void *opaque)
 849 {
 850     VirtualConsole *vc = opaque;
 851     GtkDisplayState *s = vc->s;
 852     int x, y;
 853     int mx, my;
 854     int fbh, fbw;
 855     int ww, wh;
 856
 857     if (!vc->gfx.ds) {
 858         return TRUE;
 859     }
 860
 861     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 862     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 863
 864     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
 865     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
 866
 867     mx = my = 0;
 868     if (ww > fbw) {
 869         mx = (ww - fbw) / 2;
 870     }
 871     if (wh > fbh) {
 872         my = (wh - fbh) / 2;
 873     }
 874
 875     x = (motion->x - mx) / vc->gfx.scale_x;
 876     y = (motion->y - my) / vc->gfx.scale_y;
 877
 878     if (qemu_input_is_absolute()) {
 879         if (x < 0 || y < 0 ||
 880             x >= surface_width(vc->gfx.ds) ||
 881             y >= surface_height(vc->gfx.ds)) {
 882             return TRUE;
 883         }
 884         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 885                              0, surface_width(vc->gfx.ds));
 886         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 887                              0, surface_height(vc->gfx.ds));
 888         qemu_input_event_sync();
 889     } else if (s->last_set && s->ptr_owner == vc) {
 890         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 891         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 892         qemu_input_event_sync();
 893     }
 894     s->last_x = x;
 895     s->last_y = y;
 896     s->last_set = TRUE;
 897
 898     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 899         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 900         int screen_width, screen_height;
 901
 902         int x = (int)motion->x_root;
 903         int y = (int)motion->y_root;
 904
 905 #if GTK_CHECK_VERSION(3, 22, 0)
 906         {
 907             GdkDisplay *dpy = gtk_widget_get_display(widget);
 908             GdkWindow *win = gtk_widget_get_window(widget);
 909             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 910             GdkRectangle geometry;
 911             gdk_monitor_get_geometry(monitor, &geometry);
 912             screen_width = geometry.width;
 913             screen_height = geometry.height;
 914         }
 915 #else
 916         {
 917             screen_width = gdk_screen_get_width(screen);
 918             screen_height = gdk_screen_get_height(screen);
 919         }
 920 #endif
 921
 922         /* In relative mode check to see if client pointer hit
 923          * one of the screen edges, and if so move it back by
 924          * 200 pixels. This is important because the pointer
 925          * in the server doesn't correspond 1-for-1, and so
 926          * may still be only half way across the screen. Without
 927          * this warp, the server pointer would thus appear to hit
 928          * an invisible wall */
 929         if (x == 0) {
 930             x += 200;
 931         }
 932         if (y == 0) {
 933             y += 200;
 934         }
 935         if (x == (screen_width - 1)) {
 936             x -= 200;
 937         }
 938         if (y == (screen_height - 1)) {
 939             y -= 200;
 940         }
 941
 942         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 943             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 944             gdk_device_warp(dev, screen, x, y);
 945             s->last_set = FALSE;
 946             return FALSE;
 947         }
 948     }
 949     return TRUE;
 950 }
 951
 952 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 953                                 void *opaque)
 954 {
 955     VirtualConsole *vc = opaque;
 956     GtkDisplayState *s = vc->s;
 957     InputButton btn;
 958
 959     /* implicitly grab the input at the first click in the relative mode */
 960     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 961         !qemu_input_is_absolute() && s->ptr_owner != vc) {
 962         if (!vc->window) {
 963             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 964                                            TRUE);
 965         } else {
 966             gd_grab_pointer(vc, "relative-mode-click");
 967         }
 968         return TRUE;
 969     }
 970
 971     if (button->button == 1) {
 972         btn = INPUT_BUTTON_LEFT;
 973     } else if (button->button == 2) {
 974         btn = INPUT_BUTTON_MIDDLE;
 975     } else if (button->button == 3) {
 976         btn = INPUT_BUTTON_RIGHT;
 977     } else if (button->button == 8) {
 978         btn = INPUT_BUTTON_SIDE;
 979     } else if (button->button == 9) {
 980         btn = INPUT_BUTTON_EXTRA;
 981     } else {
 982         return TRUE;
 983     }
 984
 985     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 986                          button->type == GDK_BUTTON_PRESS);
 987     qemu_input_event_sync();
 988     return TRUE;
 989 }
 990
 991 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 992                                 void *opaque)
 993 {
 994     VirtualConsole *vc = opaque;
 995     InputButton btn;
 996
 997     if (scroll->direction == GDK_SCROLL_UP) {
 998         btn = INPUT_BUTTON_WHEEL_UP;
 999     } else if (scroll->direction == GDK_SCROLL_DOWN) {
1000         btn = INPUT_BUTTON_WHEEL_DOWN;
1001     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1002         gdouble delta_x, delta_y;
1003         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1004                                          &delta_x, &delta_y)) {
1005             return TRUE;
1006         }
1007         if (delta_y > 0) {
1008             btn = INPUT_BUTTON_WHEEL_DOWN;
1009         } else {
1010             btn = INPUT_BUTTON_WHEEL_UP;
1011         }
1012     } else {
1013         return TRUE;
1014     }
1015
1016     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1017     qemu_input_event_sync();
1018     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1019     qemu_input_event_sync();
1020     return TRUE;
1021 }
1022
1023
1024 static const guint16 *gd_get_keymap(size_t *maplen)
1025 {
1026     GdkDisplay *dpy = gdk_display_get_default();
1027
1028 #ifdef GDK_WINDOWING_X11
1029     if (GDK_IS_X11_DISPLAY(dpy)) {
1030         trace_gd_keymap_windowing("x11");
1031         return qemu_xkeymap_mapping_table(
1032             gdk_x11_display_get_xdisplay(dpy), maplen);
1033     }
1034 #endif
1035
1036 #ifdef GDK_WINDOWING_WAYLAND
1037     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1038         trace_gd_keymap_windowing("wayland");
1039         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1040         return qemu_input_map_xorgevdev_to_qcode;
1041     }
1042 #endif
1043
1044 #ifdef GDK_WINDOWING_WIN32
1045     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1046         trace_gd_keymap_windowing("win32");
1047         *maplen = qemu_input_map_win32_to_qcode_len;
1048         return qemu_input_map_win32_to_qcode;
1049     }
1050 #endif
1051
1052 #ifdef GDK_WINDOWING_QUARTZ
1053     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1054         trace_gd_keymap_windowing("quartz");
1055         *maplen = qemu_input_map_osx_to_qcode_len;
1056         return qemu_input_map_osx_to_qcode;
1057     }
1058 #endif
1059
1060 #ifdef GDK_WINDOWING_BROADWAY
1061     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1062         trace_gd_keymap_windowing("broadway");
1063         g_warning("experimental: using broadway, x11 virtual keysym\n"
1064                   "mapping - with very limited support. See also\n"
1065                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1066         *maplen = qemu_input_map_x11_to_qcode_len;
1067         return qemu_input_map_x11_to_qcode;
1068     }
1069 #endif
1070
1071     g_warning("Unsupported GDK Windowing platform.\n"
1072               "Disabling extended keycode tables.\n"
1073               "Please report to [email protected]\n"
1074               "including the following information:\n"
1075               "\n"
1076               "  - Operating system\n"
1077               "  - GDK Windowing system build\n");
1078     return NULL;
1079 }
1080
1081
1082 static int gd_map_keycode(int scancode)
1083 {
1084     if (!keycode_map) {
1085         return 0;
1086     }
1087     if (scancode > keycode_maplen) {
1088         return 0;
1089     }
1090
1091     return keycode_map[scancode];
1092 }
1093
1094 static gboolean gd_text_key_down(GtkWidget *widget,
1095                                  GdkEventKey *key, void *opaque)
1096 {
1097     VirtualConsole *vc = opaque;
1098     QemuConsole *con = vc->gfx.dcl.con;
1099
1100     if (key->keyval == GDK_KEY_Delete) {
1101         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1102     } else if (key->length) {
1103         kbd_put_string_console(con, key->string, key->length);
1104     } else {
1105         int qcode = gd_map_keycode(key->hardware_keycode);
1106         kbd_put_qcode_console(con, qcode, false);
1107     }
1108     return TRUE;
1109 }
1110
1111 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1112 {
1113     VirtualConsole *vc = opaque;
1114     GtkDisplayState *s = vc->s;
1115     int qcode;
1116     int i;
1117
1118     if (s->ignore_keys) {
1119         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1120         return TRUE;
1121     }
1122
1123 #ifdef WIN32
1124     /* on windows, we ought to ignore the reserved key event? */
1125     if (key->hardware_keycode == 0xff)
1126         return false;
1127 #endif
1128
1129     if (key->keyval == GDK_KEY_Pause
1130 #ifdef G_OS_WIN32
1131         /* for some reason GDK does not fill keyval for VK_PAUSE
1132          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1133          */
1134         || key->hardware_keycode == VK_PAUSE
1135 #endif
1136         ) {
1137         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1138                                         key->type == GDK_KEY_PRESS);
1139         return TRUE;
1140     }
1141
1142     qcode = gd_map_keycode(key->hardware_keycode);
1143
1144     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1145                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1146
1147     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1148         if (qcode == modifier_keycode[i]) {
1149             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1150         }
1151     }
1152
1153     qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode,
1154                                     key->type == GDK_KEY_PRESS);
1155
1156     return TRUE;
1157 }
1158
1159 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1160 {
1161     if (event->type == GDK_MOTION_NOTIFY) {
1162         return gd_motion_event(widget, &event->motion, opaque);
1163     }
1164     return FALSE;
1165 }
1166
1167 /** Window Menu Actions **/
1168
1169 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1170 {
1171     GtkDisplayState *s = opaque;
1172
1173     if (s->external_pause_update) {
1174         return;
1175     }
1176     if (runstate_is_running()) {
1177         qmp_stop(NULL);
1178     } else {
1179         qmp_cont(NULL);
1180     }
1181 }
1182
1183 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1184 {
1185     qmp_system_reset(NULL);
1186 }
1187
1188 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1189 {
1190     qmp_system_powerdown(NULL);
1191 }
1192
1193 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1194 {
1195     qmp_quit(NULL);
1196 }
1197
1198 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1199 {
1200     GtkDisplayState *s = opaque;
1201     VirtualConsole *vc = gd_vc_find_by_menu(s);
1202     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1203     gint page;
1204
1205     gtk_release_modifiers(s);
1206     if (vc) {
1207         page = gtk_notebook_page_num(nb, vc->tab_item);
1208         gtk_notebook_set_current_page(nb, page);
1209         gtk_widget_grab_focus(vc->focus);
1210     }
1211     s->ignore_keys = false;
1212 }
1213
1214 static void gd_accel_switch_vc(void *opaque)
1215 {
1216     VirtualConsole *vc = opaque;
1217
1218     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1219 }
1220
1221 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1222 {
1223     GtkDisplayState *s = opaque;
1224     VirtualConsole *vc = gd_vc_find_current(s);
1225
1226     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1227         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1228     } else {
1229         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1230     }
1231     gd_update_windowsize(vc);
1232 }
1233
1234 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1235                                     void *opaque)
1236 {
1237     VirtualConsole *vc = opaque;
1238     GtkDisplayState *s = vc->s;
1239
1240     gtk_widget_set_sensitive(vc->menu_item, true);
1241     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1242     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1243                                     vc->tab_item, vc->label);
1244     gtk_widget_destroy(vc->window);
1245     vc->window = NULL;
1246     return TRUE;
1247 }
1248
1249 static gboolean gd_win_grab(void *opaque)
1250 {
1251     VirtualConsole *vc = opaque;
1252
1253     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1254     if (vc->s->ptr_owner) {
1255         gd_ungrab_pointer(vc->s);
1256     } else {
1257         gd_grab_pointer(vc, "user-request-detached-tab");
1258     }
1259     return TRUE;
1260 }
1261
1262 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1263 {
1264     GtkDisplayState *s = opaque;
1265     VirtualConsole *vc = gd_vc_find_current(s);
1266
1267     if (vc->type == GD_VC_GFX &&
1268         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1269         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1270                                        FALSE);
1271     }
1272     if (!vc->window) {
1273         gtk_widget_set_sensitive(vc->menu_item, false);
1274         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1275         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1276
1277         g_signal_connect(vc->window, "delete-event",
1278                          G_CALLBACK(gd_tab_window_close), vc);
1279         gtk_widget_show_all(vc->window);
1280
1281         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1282             GtkAccelGroup *ag = gtk_accel_group_new();
1283             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1284
1285             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1286                                                vc, NULL);
1287             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1288         }
1289
1290         gd_update_geometry_hints(vc);
1291         gd_update_caption(s);
1292     }
1293 }
1294
1295 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1296 {
1297     GtkDisplayState *s = opaque;
1298     VirtualConsole *vc = gd_vc_find_current(s);
1299
1300     if (s->full_screen) {
1301         return;
1302     }
1303
1304     if (gtk_check_menu_item_get_active(
1305                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1306         gtk_widget_show(s->menu_bar);
1307     } else {
1308         gtk_widget_hide(s->menu_bar);
1309     }
1310     gd_update_windowsize(vc);
1311 }
1312
1313 static void gd_accel_show_menubar(void *opaque)
1314 {
1315     GtkDisplayState *s = opaque;
1316     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1317 }
1318
1319 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1320 {
1321     GtkDisplayState *s = opaque;
1322     VirtualConsole *vc = gd_vc_find_current(s);
1323
1324     if (!s->full_screen) {
1325         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1326         gtk_widget_hide(s->menu_bar);
1327         if (vc->type == GD_VC_GFX) {
1328             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1329         }
1330         gtk_window_fullscreen(GTK_WINDOW(s->window));
1331         s->full_screen = TRUE;
1332     } else {
1333         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1334         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1335         if (gtk_check_menu_item_get_active(
1336                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1337             gtk_widget_show(s->menu_bar);
1338         }
1339         s->full_screen = FALSE;
1340         if (vc->type == GD_VC_GFX) {
1341             vc->gfx.scale_x = 1.0;
1342             vc->gfx.scale_y = 1.0;
1343             gd_update_windowsize(vc);
1344         }
1345     }
1346
1347     gd_update_cursor(vc);
1348 }
1349
1350 static void gd_accel_full_screen(void *opaque)
1351 {
1352     GtkDisplayState *s = opaque;
1353     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1354 }
1355
1356 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1357 {
1358     GtkDisplayState *s = opaque;
1359     VirtualConsole *vc = gd_vc_find_current(s);
1360
1361     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1362                                    FALSE);
1363
1364     vc->gfx.scale_x += VC_SCALE_STEP;
1365     vc->gfx.scale_y += VC_SCALE_STEP;
1366
1367     gd_update_windowsize(vc);
1368 }
1369
1370 static void gd_accel_zoom_in(void *opaque)
1371 {
1372     GtkDisplayState *s = opaque;
1373     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1374 }
1375
1376 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1377 {
1378     GtkDisplayState *s = opaque;
1379     VirtualConsole *vc = gd_vc_find_current(s);
1380
1381     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1382                                    FALSE);
1383
1384     vc->gfx.scale_x -= VC_SCALE_STEP;
1385     vc->gfx.scale_y -= VC_SCALE_STEP;
1386
1387     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1388     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1389
1390     gd_update_windowsize(vc);
1391 }
1392
1393 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1394 {
1395     GtkDisplayState *s = opaque;
1396     VirtualConsole *vc = gd_vc_find_current(s);
1397
1398     vc->gfx.scale_x = 1.0;
1399     vc->gfx.scale_y = 1.0;
1400
1401     gd_update_windowsize(vc);
1402 }
1403
1404 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1405 {
1406     GtkDisplayState *s = opaque;
1407     VirtualConsole *vc = gd_vc_find_current(s);
1408
1409     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1410         s->free_scale = TRUE;
1411     } else {
1412         s->free_scale = FALSE;
1413         vc->gfx.scale_x = 1.0;
1414         vc->gfx.scale_y = 1.0;
1415     }
1416
1417     gd_update_windowsize(vc);
1418     gd_update_full_redraw(vc);
1419 }
1420
1421 #if GTK_CHECK_VERSION(3, 20, 0)
1422 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1423 {
1424     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1425     GdkSeat *seat = gdk_display_get_default_seat(display);
1426     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1427     GdkSeatCapabilities caps = 0;
1428     GdkCursor *cursor = NULL;
1429
1430     if (kbd) {
1431         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1432     }
1433     if (ptr) {
1434         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1435         cursor = vc->s->null_cursor;
1436     }
1437
1438     if (caps) {
1439         gdk_seat_grab(seat, window, caps, false, cursor,
1440                       NULL, NULL, NULL);
1441     } else {
1442         gdk_seat_ungrab(seat);
1443     }
1444 }
1445 #else
1446 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1447                             GdkInputSource source, GdkEventMask mask,
1448                             GdkCursor *cursor)
1449 {
1450     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1451     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1452     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1453     GList *tmp = devs;
1454
1455     for (tmp = devs; tmp; tmp = tmp->next) {
1456         GdkDevice *dev = tmp->data;
1457         if (gdk_device_get_source(dev) != source) {
1458             continue;
1459         }
1460         if (grab) {
1461             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1462             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1463                             mask, cursor, GDK_CURRENT_TIME);
1464         } else {
1465             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1466         }
1467     }
1468     g_list_free(devs);
1469 }
1470 #endif
1471
1472 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1473 {
1474     if (vc->s->kbd_owner) {
1475         if (vc->s->kbd_owner == vc) {
1476             return;
1477         } else {
1478             gd_ungrab_keyboard(vc->s);
1479         }
1480     }
1481
1482 #if GTK_CHECK_VERSION(3, 20, 0)
1483     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1484 #else
1485     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1486                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1487                    NULL);
1488 #endif
1489     vc->s->kbd_owner = vc;
1490     gd_update_caption(vc->s);
1491     trace_gd_grab(vc->label, "kbd", reason);
1492 }
1493
1494 static void gd_ungrab_keyboard(GtkDisplayState *s)
1495 {
1496     VirtualConsole *vc = s->kbd_owner;
1497
1498     if (vc == NULL) {
1499         return;
1500     }
1501     s->kbd_owner = NULL;
1502
1503 #if GTK_CHECK_VERSION(3, 20, 0)
1504     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1505 #else
1506     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1507 #endif
1508     gd_update_caption(s);
1509     trace_gd_ungrab(vc->label, "kbd");
1510 }
1511
1512 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1513 {
1514     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1515
1516     if (vc->s->ptr_owner) {
1517         if (vc->s->ptr_owner == vc) {
1518             return;
1519         } else {
1520             gd_ungrab_pointer(vc->s);
1521         }
1522     }
1523
1524 #if GTK_CHECK_VERSION(3, 20, 0)
1525     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1526     gdk_device_get_position(gd_get_pointer(display),
1527                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1528 #else
1529     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1530                     GDK_POINTER_MOTION_MASK |
1531                     GDK_BUTTON_PRESS_MASK |
1532                     GDK_BUTTON_RELEASE_MASK |
1533                     GDK_BUTTON_MOTION_MASK |
1534                     GDK_SCROLL_MASK,
1535                     vc->s->null_cursor);
1536     gdk_device_get_position(gd_get_pointer(display),
1537                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1538 #endif
1539     vc->s->ptr_owner = vc;
1540     gd_update_caption(vc->s);
1541     trace_gd_grab(vc->label, "ptr", reason);
1542 }
1543
1544 static void gd_ungrab_pointer(GtkDisplayState *s)
1545 {
1546     VirtualConsole *vc = s->ptr_owner;
1547     GdkDisplay *display;
1548
1549     if (vc == NULL) {
1550         return;
1551     }
1552     s->ptr_owner = NULL;
1553
1554     display = gtk_widget_get_display(vc->gfx.drawing_area);
1555 #if GTK_CHECK_VERSION(3, 20, 0)
1556     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1557     gdk_device_warp(gd_get_pointer(display),
1558                     gtk_widget_get_screen(vc->gfx.drawing_area),
1559                     vc->s->grab_x_root, vc->s->grab_y_root);
1560 #else
1561     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1562     gdk_device_warp(gd_get_pointer(display),
1563                     gtk_widget_get_screen(vc->gfx.drawing_area),
1564                     vc->s->grab_x_root, vc->s->grab_y_root);
1565 #endif
1566     gd_update_caption(s);
1567     trace_gd_ungrab(vc->label, "ptr");
1568 }
1569
1570 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1571 {
1572     GtkDisplayState *s = opaque;
1573     VirtualConsole *vc = gd_vc_find_current(s);
1574
1575     if (gd_is_grab_active(s)) {
1576         gd_grab_keyboard(vc, "user-request-main-window");
1577         gd_grab_pointer(vc, "user-request-main-window");
1578     } else {
1579         gd_ungrab_keyboard(s);
1580         gd_ungrab_pointer(s);
1581     }
1582
1583     gd_update_cursor(vc);
1584 }
1585
1586 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1587                            gpointer data)
1588 {
1589     GtkDisplayState *s = data;
1590     VirtualConsole *vc;
1591     gboolean on_vga;
1592
1593     if (!gtk_widget_get_realized(s->notebook)) {
1594         return;
1595     }
1596
1597     vc = gd_vc_find_by_page(s, arg2);
1598     if (!vc) {
1599         return;
1600     }
1601     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1602                                    TRUE);
1603     on_vga = (vc->type == GD_VC_GFX &&
1604               qemu_console_is_graphic(vc->gfx.dcl.con));
1605     if (!on_vga) {
1606         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1607                                        FALSE);
1608     } else if (s->full_screen) {
1609         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1610                                        TRUE);
1611     }
1612     gtk_widget_set_sensitive(s->grab_item, on_vga);
1613 #ifdef CONFIG_VTE
1614     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1615 #endif
1616
1617     gd_update_windowsize(vc);
1618     gd_update_cursor(vc);
1619 }
1620
1621 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1622                                gpointer opaque)
1623 {
1624     VirtualConsole *vc = opaque;
1625     GtkDisplayState *s = vc->s;
1626
1627     if (gd_grab_on_hover(s)) {
1628         gd_grab_keyboard(vc, "grab-on-hover");
1629     }
1630     return TRUE;
1631 }
1632
1633 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1634                                gpointer opaque)
1635 {
1636     VirtualConsole *vc = opaque;
1637     GtkDisplayState *s = vc->s;
1638
1639     if (gd_grab_on_hover(s)) {
1640         gd_ungrab_keyboard(s);
1641     }
1642     return TRUE;
1643 }
1644
1645 static gboolean gd_focus_out_event(GtkWidget *widget,
1646                                    GdkEventCrossing *crossing, gpointer opaque)
1647 {
1648     VirtualConsole *vc = opaque;
1649     GtkDisplayState *s = vc->s;
1650
1651     gtk_release_modifiers(s);
1652     return TRUE;
1653 }
1654
1655 static gboolean gd_configure(GtkWidget *widget,
1656                              GdkEventConfigure *cfg, gpointer opaque)
1657 {
1658     VirtualConsole *vc = opaque;
1659
1660     gd_set_ui_info(vc, cfg->width, cfg->height);
1661     return FALSE;
1662 }
1663
1664 /** Virtual Console Callbacks **/
1665
1666 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1667                                int idx, GSList *group, GtkWidget *view_menu)
1668 {
1669     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1670     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1671             HOTKEY_MODIFIERS, 0,
1672             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1673     gtk_accel_label_set_accel(
1674             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1675             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1676
1677     g_signal_connect(vc->menu_item, "activate",
1678                      G_CALLBACK(gd_menu_switch_vc), s);
1679     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1680
1681     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1682     return group;
1683 }
1684
1685 #if defined(CONFIG_VTE)
1686 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1687 {
1688     GtkDisplayState *s = opaque;
1689     VirtualConsole *vc = gd_vc_find_current(s);
1690
1691 #if VTE_CHECK_VERSION(0, 50, 0)
1692     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1693                                        VTE_FORMAT_TEXT);
1694 #else
1695     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1696 #endif
1697 }
1698
1699 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1700 {
1701     VirtualConsole *vc = opaque;
1702
1703     if (gtk_adjustment_get_upper(adjustment) >
1704         gtk_adjustment_get_page_size(adjustment)) {
1705         gtk_widget_show(vc->vte.scrollbar);
1706     } else {
1707         gtk_widget_hide(vc->vte.scrollbar);
1708     }
1709 }
1710
1711 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1712 {
1713     VCChardev *vcd = VC_CHARDEV(chr);
1714     VirtualConsole *vc = vcd->console;
1715
1716     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1717     return len;
1718 }
1719
1720 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1721 {
1722     VCChardev *vcd = VC_CHARDEV(chr);
1723     VirtualConsole *vc = vcd->console;
1724
1725     if (vc) {
1726         vc->vte.echo = echo;
1727     } else {
1728         vcd->echo = echo;
1729     }
1730 }
1731
1732 static int nb_vcs;
1733 static Chardev *vcs[MAX_VCS];
1734 static void gd_vc_open(Chardev *chr,
1735                        ChardevBackend *backend,
1736                        bool *be_opened,
1737                        Error **errp)
1738 {
1739     if (nb_vcs == MAX_VCS) {
1740         error_setg(errp, "Maximum number of consoles reached");
1741         return;
1742     }
1743
1744     vcs[nb_vcs++] = chr;
1745
1746     /* console/chardev init sometimes completes elsewhere in a 2nd
1747      * stage, so defer OPENED events until they are fully initialized
1748      */
1749     *be_opened = false;
1750 }
1751
1752 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1753 {
1754     ChardevClass *cc = CHARDEV_CLASS(oc);
1755
1756     cc->parse = qemu_chr_parse_vc;
1757     cc->open = gd_vc_open;
1758     cc->chr_write = gd_vc_chr_write;
1759     cc->chr_set_echo = gd_vc_chr_set_echo;
1760 }
1761
1762 static const TypeInfo char_gd_vc_type_info = {
1763     .name = TYPE_CHARDEV_VC,
1764     .parent = TYPE_CHARDEV,
1765     .instance_size = sizeof(VCChardev),
1766     .class_init = char_gd_vc_class_init,
1767 };
1768
1769 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1770                          gpointer user_data)
1771 {
1772     VirtualConsole *vc = user_data;
1773
1774     if (vc->vte.echo) {
1775         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1776         int i;
1777         for (i = 0; i < size; i++) {
1778             uint8_t c = text[i];
1779             if (c >= 128 || isprint(c)) {
1780                 /* 8-bit characters are considered printable.  */
1781                 vte_terminal_feed(term, &text[i], 1);
1782             } else if (c == '\r' || c == '\n') {
1783                 vte_terminal_feed(term, "\r\n", 2);
1784             } else {
1785                 char ctrl[2] = { '^', 0};
1786                 ctrl[1] = text[i] ^ 64;
1787                 vte_terminal_feed(term, ctrl, 2);
1788             }
1789         }
1790     }
1791
1792     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1793     return TRUE;
1794 }
1795
1796 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1797                               Chardev *chr, int idx,
1798                               GSList *group, GtkWidget *view_menu)
1799 {
1800     char buffer[32];
1801     GtkWidget *box;
1802     GtkWidget *scrollbar;
1803     GtkAdjustment *vadjustment;
1804     VCChardev *vcd = VC_CHARDEV(chr);
1805
1806     vc->s = s;
1807     vc->vte.echo = vcd->echo;
1808     vc->vte.chr = chr;
1809     vcd->console = vc;
1810
1811     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1812     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1813                                 ? vc->vte.chr->label : buffer);
1814     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1815
1816     vc->vte.terminal = vte_terminal_new();
1817     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1818
1819     /* The documentation says that the default is UTF-8, but actually it is
1820      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1821      * VTE 0.54 (only UTF-8 is supported now). */
1822 #if !VTE_CHECK_VERSION(0, 54, 0)
1823 #if VTE_CHECK_VERSION(0, 38, 0)
1824     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1825 #else
1826     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1827 #endif
1828 #endif
1829
1830     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1831     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1832                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1833
1834 #if VTE_CHECK_VERSION(0, 28, 0)
1835     vadjustment = gtk_scrollable_get_vadjustment
1836         (GTK_SCROLLABLE(vc->vte.terminal));
1837 #else
1838     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1839 #endif
1840
1841     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1842     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1843
1844     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1845     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1846
1847     vc->vte.box = box;
1848     vc->vte.scrollbar = scrollbar;
1849
1850     g_signal_connect(vadjustment, "changed",
1851                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1852
1853     vc->type = GD_VC_VTE;
1854     vc->tab_item = box;
1855     vc->focus = vc->vte.terminal;
1856     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1857                              gtk_label_new(vc->label));
1858
1859     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1860
1861     return group;
1862 }
1863
1864 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1865                         GtkWidget *view_menu)
1866 {
1867     int i;
1868
1869     for (i = 0; i < nb_vcs; i++) {
1870         VirtualConsole *vc = &s->vc[s->nb_vcs];
1871         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1872         s->nb_vcs++;
1873     }
1874 }
1875 #endif /* CONFIG_VTE */
1876
1877 /** Window Creation **/
1878
1879 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1880 {
1881     g_signal_connect(vc->gfx.drawing_area, "draw",
1882                      G_CALLBACK(gd_draw_event), vc);
1883 #if defined(CONFIG_GTK_GL)
1884     if (gtk_use_gl_area) {
1885         /* wire up GtkGlArea events */
1886         g_signal_connect(vc->gfx.drawing_area, "render",
1887                          G_CALLBACK(gd_render_event), vc);
1888         g_signal_connect(vc->gfx.drawing_area, "resize",
1889                          G_CALLBACK(gd_resize_event), vc);
1890     }
1891 #endif
1892     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1893         g_signal_connect(vc->gfx.drawing_area, "event",
1894                          G_CALLBACK(gd_event), vc);
1895         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1896                          G_CALLBACK(gd_button_event), vc);
1897         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1898                          G_CALLBACK(gd_button_event), vc);
1899         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1900                          G_CALLBACK(gd_scroll_event), vc);
1901         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1902                          G_CALLBACK(gd_key_event), vc);
1903         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1904                          G_CALLBACK(gd_key_event), vc);
1905
1906         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1907                          G_CALLBACK(gd_enter_event), vc);
1908         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1909                          G_CALLBACK(gd_leave_event), vc);
1910         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1911                          G_CALLBACK(gd_focus_out_event), vc);
1912         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1913                          G_CALLBACK(gd_configure), vc);
1914     } else {
1915         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1916                          G_CALLBACK(gd_text_key_down), vc);
1917     }
1918 }
1919
1920 static void gd_connect_signals(GtkDisplayState *s)
1921 {
1922     g_signal_connect(s->show_tabs_item, "activate",
1923                      G_CALLBACK(gd_menu_show_tabs), s);
1924     g_signal_connect(s->untabify_item, "activate",
1925                      G_CALLBACK(gd_menu_untabify), s);
1926     g_signal_connect(s->show_menubar_item, "activate",
1927                      G_CALLBACK(gd_menu_show_menubar), s);
1928
1929     g_signal_connect(s->window, "delete-event",
1930                      G_CALLBACK(gd_window_close), s);
1931
1932     g_signal_connect(s->pause_item, "activate",
1933                      G_CALLBACK(gd_menu_pause), s);
1934     g_signal_connect(s->reset_item, "activate",
1935                      G_CALLBACK(gd_menu_reset), s);
1936     g_signal_connect(s->powerdown_item, "activate",
1937                      G_CALLBACK(gd_menu_powerdown), s);
1938     g_signal_connect(s->quit_item, "activate",
1939                      G_CALLBACK(gd_menu_quit), s);
1940 #if defined(CONFIG_VTE)
1941     g_signal_connect(s->copy_item, "activate",
1942                      G_CALLBACK(gd_menu_copy), s);
1943 #endif
1944     g_signal_connect(s->full_screen_item, "activate",
1945                      G_CALLBACK(gd_menu_full_screen), s);
1946     g_signal_connect(s->zoom_in_item, "activate",
1947                      G_CALLBACK(gd_menu_zoom_in), s);
1948     g_signal_connect(s->zoom_out_item, "activate",
1949                      G_CALLBACK(gd_menu_zoom_out), s);
1950     g_signal_connect(s->zoom_fixed_item, "activate",
1951                      G_CALLBACK(gd_menu_zoom_fixed), s);
1952     g_signal_connect(s->zoom_fit_item, "activate",
1953                      G_CALLBACK(gd_menu_zoom_fit), s);
1954     g_signal_connect(s->grab_item, "activate",
1955                      G_CALLBACK(gd_menu_grab_input), s);
1956     g_signal_connect(s->notebook, "switch-page",
1957                      G_CALLBACK(gd_change_page), s);
1958 }
1959
1960 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1961 {
1962     GtkWidget *machine_menu;
1963     GtkWidget *separator;
1964
1965     machine_menu = gtk_menu_new();
1966     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1967
1968     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1969     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1970
1971     separator = gtk_separator_menu_item_new();
1972     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1973
1974     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1975     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1976
1977     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1978     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1979
1980     separator = gtk_separator_menu_item_new();
1981     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1982
1983     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1984     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1985                                  "<QEMU>/Machine/Quit");
1986     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1987                             GDK_KEY_q, HOTKEY_MODIFIERS);
1988     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1989
1990     return machine_menu;
1991 }
1992
1993 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1994                               QemuConsole *con, int idx,
1995                               GSList *group, GtkWidget *view_menu)
1996 {
1997     bool zoom_to_fit = false;
1998
1999     vc->label = qemu_console_get_label(con);
2000     vc->s = s;
2001     vc->gfx.scale_x = 1.0;
2002     vc->gfx.scale_y = 1.0;
2003
2004 #if defined(CONFIG_OPENGL)
2005     if (display_opengl) {
2006 #if defined(CONFIG_GTK_GL)
2007         if (gtk_use_gl_area) {
2008             vc->gfx.drawing_area = gtk_gl_area_new();
2009             vc->gfx.dcl.ops = &dcl_gl_area_ops;
2010         } else
2011 #endif /* CONFIG_GTK_GL */
2012         {
2013             vc->gfx.drawing_area = gtk_drawing_area_new();
2014             /*
2015              * gtk_widget_set_double_buffered() was deprecated in 3.14.
2016              * It is required for opengl rendering on X11 though.  A
2017              * proper replacement (native opengl support) is only
2018              * available in 3.16+.  Silence the warning if possible.
2019              */
2020 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2021 #pragma GCC diagnostic push
2022 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2023 #endif
2024             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2025 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2026 #pragma GCC diagnostic pop
2027 #endif
2028             vc->gfx.dcl.ops = &dcl_egl_ops;
2029         }
2030     } else
2031 #endif
2032     {
2033         vc->gfx.drawing_area = gtk_drawing_area_new();
2034         vc->gfx.dcl.ops = &dcl_ops;
2035     }
2036
2037
2038     gtk_widget_add_events(vc->gfx.drawing_area,
2039                           GDK_POINTER_MOTION_MASK |
2040                           GDK_BUTTON_PRESS_MASK |
2041                           GDK_BUTTON_RELEASE_MASK |
2042                           GDK_BUTTON_MOTION_MASK |
2043                           GDK_ENTER_NOTIFY_MASK |
2044                           GDK_LEAVE_NOTIFY_MASK |
2045                           GDK_SCROLL_MASK |
2046                           GDK_KEY_PRESS_MASK);
2047     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2048
2049     vc->type = GD_VC_GFX;
2050     vc->tab_item = vc->gfx.drawing_area;
2051     vc->focus = vc->gfx.drawing_area;
2052     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2053                              vc->tab_item, gtk_label_new(vc->label));
2054
2055     vc->gfx.dcl.con = con;
2056     register_displaychangelistener(&vc->gfx.dcl);
2057
2058     gd_connect_vc_gfx_signals(vc);
2059     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2060
2061     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2062         zoom_to_fit = true;
2063     }
2064     if (s->opts->u.gtk.has_zoom_to_fit) {
2065         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2066     }
2067     if (zoom_to_fit) {
2068         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2069         s->free_scale = true;
2070     }
2071
2072     return group;
2073 }
2074
2075 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2076 {
2077     GSList *group = NULL;
2078     GtkWidget *view_menu;
2079     GtkWidget *separator;
2080     QemuConsole *con;
2081     int vc;
2082
2083     view_menu = gtk_menu_new();
2084     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2085
2086     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2087
2088 #if defined(CONFIG_VTE)
2089     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2090     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2091 #endif
2092
2093     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2094             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2095     gtk_accel_label_set_accel(
2096             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2097             GDK_KEY_f, HOTKEY_MODIFIERS);
2098     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2099
2100     separator = gtk_separator_menu_item_new();
2101     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2102
2103     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2104     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2105                                  "<QEMU>/View/Zoom In");
2106     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2107                             HOTKEY_MODIFIERS);
2108     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2109             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2110     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2111
2112     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2113     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2114                                  "<QEMU>/View/Zoom Out");
2115     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2116                             HOTKEY_MODIFIERS);
2117     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2118
2119     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2120     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2121                                  "<QEMU>/View/Zoom Fixed");
2122     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2123                             HOTKEY_MODIFIERS);
2124     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2125
2126     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2127     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2128
2129     separator = gtk_separator_menu_item_new();
2130     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2131
2132     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2133     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2134
2135     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2136     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2137                                  "<QEMU>/View/Grab Input");
2138     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2139                             HOTKEY_MODIFIERS);
2140     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2141
2142     separator = gtk_separator_menu_item_new();
2143     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2144
2145     /* gfx */
2146     for (vc = 0;; vc++) {
2147         con = qemu_console_lookup_by_index(vc);
2148         if (!con) {
2149             break;
2150         }
2151         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2152                                vc, group, view_menu);
2153         s->nb_vcs++;
2154     }
2155
2156 #if defined(CONFIG_VTE)
2157     /* vte */
2158     gd_vcs_init(s, group, view_menu);
2159 #endif
2160
2161     separator = gtk_separator_menu_item_new();
2162     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2163
2164     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2165     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2166
2167     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2168     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2169
2170     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2171             _("Show Menubar"));
2172     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2173                                    TRUE);
2174     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2175             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2176     gtk_accel_label_set_accel(
2177             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2178             GDK_KEY_m, HOTKEY_MODIFIERS);
2179     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2180
2181     return view_menu;
2182 }
2183
2184 static void gd_create_menus(GtkDisplayState *s)
2185 {
2186     GtkSettings *settings;
2187
2188     s->accel_group = gtk_accel_group_new();
2189     s->machine_menu = gd_create_menu_machine(s);
2190     s->view_menu = gd_create_menu_view(s);
2191
2192     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2193     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2194                               s->machine_menu);
2195     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2196
2197     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2198     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2199     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2200
2201     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2202     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2203
2204     /* Disable the default "F10" menu shortcut. */
2205     settings = gtk_widget_get_settings(s->window);
2206     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2207 }
2208
2209
2210 static gboolean gtkinit;
2211
2212 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2213 {
2214     VirtualConsole *vc;
2215
2216     GtkDisplayState *s = g_malloc0(sizeof(*s));
2217     GdkDisplay *window_display;
2218     GtkIconTheme *theme;
2219
2220     if (!gtkinit) {
2221         fprintf(stderr, "gtk initialization failed\n");
2222         exit(1);
2223     }
2224     assert(opts->type == DISPLAY_TYPE_GTK);
2225     s->opts = opts;
2226
2227     theme = gtk_icon_theme_get_default();
2228     gtk_icon_theme_prepend_search_path(theme, CONFIG_QEMU_ICONDIR);
2229     g_set_prgname("qemu");
2230
2231     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2232     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2233     s->notebook = gtk_notebook_new();
2234     s->menu_bar = gtk_menu_bar_new();
2235
2236     s->free_scale = FALSE;
2237
2238     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2239      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2240      * printable, but without changing any of the character classes to make
2241      * sure that we don't accidentally break implicit assumptions.  */
2242     setlocale(LC_MESSAGES, "");
2243     setlocale(LC_CTYPE, "C.UTF-8");
2244     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2245     textdomain("qemu");
2246
2247     window_display = gtk_widget_get_display(s->window);
2248     s->null_cursor = gdk_cursor_new_for_display(window_display,
2249                                                 GDK_BLANK_CURSOR);
2250
2251     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2252     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2253     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2254
2255     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2256
2257     gd_create_menus(s);
2258
2259     gd_connect_signals(s);
2260
2261     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2262     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2263
2264     gd_update_caption(s);
2265
2266     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2267     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2268
2269     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2270
2271     gtk_widget_show_all(s->window);
2272
2273     vc = gd_vc_find_current(s);
2274     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2275 #ifdef CONFIG_VTE
2276     gtk_widget_set_sensitive(s->copy_item,
2277                              vc && vc->type == GD_VC_VTE);
2278 #endif
2279
2280     if (opts->has_full_screen &&
2281         opts->full_screen) {
2282         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2283     }
2284     if (opts->u.gtk.has_grab_on_hover &&
2285         opts->u.gtk.grab_on_hover) {
2286         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2287     }
2288 }
2289
2290 static void early_gtk_display_init(DisplayOptions *opts)
2291 {
2292     /* The QEMU code relies on the assumption that it's always run in
2293      * the C locale. Therefore it is not prepared to deal with
2294      * operations that produce different results depending on the
2295      * locale, such as printf's formatting of decimal numbers, and
2296      * possibly others.
2297      *
2298      * Since GTK+ calls setlocale() by default -importing the locale
2299      * settings from the environment- we must prevent it from doing so
2300      * using gtk_disable_setlocale().
2301      *
2302      * QEMU's GTK+ UI, however, _does_ have translations for some of
2303      * the menu items. As a trade-off between a functionally correct
2304      * QEMU and a fully internationalized UI we support importing
2305      * LC_MESSAGES from the environment (see the setlocale() call
2306      * earlier in this file). This allows us to display translated
2307      * messages leaving everything else untouched.
2308      */
2309     gtk_disable_setlocale();
2310     gtkinit = gtk_init_check(NULL, NULL);
2311     if (!gtkinit) {
2312         /* don't exit yet, that'll break -help */
2313         return;
2314     }
2315
2316     assert(opts->type == DISPLAY_TYPE_GTK);
2317     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2318 #if defined(CONFIG_OPENGL)
2319 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2320         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2321             gtk_use_gl_area = true;
2322             gtk_gl_area_init();
2323         } else
2324 #endif
2325         {
2326             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2327             gtk_egl_init(mode);
2328         }
2329 #endif
2330     }
2331
2332     keycode_map = gd_get_keymap(&keycode_maplen);
2333
2334 #if defined(CONFIG_VTE)
2335     type_register(&char_gd_vc_type_info);
2336 #endif
2337 }
2338
2339 static QemuDisplay qemu_display_gtk = {
2340     .type       = DISPLAY_TYPE_GTK,
2341     .early_init = early_gtk_display_init,
2342     .init       = gtk_display_init,
2343 };
2344
2345 static void register_gtk(void)
2346 {
2347     qemu_display_register(&qemu_display_gtk);
2348 }
2349
2350 type_init(register_gtk);