qemu/ui/gtk.c
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   1/*
   2 * GTK UI
   3 *
   4 * Copyright IBM, Corp. 2012
   5 *
   6 * Authors:
   7 *  Anthony Liguori   <aliguori@us.ibm.com>
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License as published by
  11 * the Free Software Foundation; either version 2 of the License, or
  12 * (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 * General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  21 *
  22 * Portions from gtk-vnc (originally licensed under the LGPL v2+):
  23 *
  24 * GTK VNC Widget
  25 *
  26 * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
  27 * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
  28 */
  29
  30#define GETTEXT_PACKAGE "qemu"
  31#define LOCALEDIR "po"
  32
  33#include "qemu/osdep.h"
  34#include "qapi/error.h"
  35#include "qapi/qapi-commands-control.h"
  36#include "qapi/qapi-commands-machine.h"
  37#include "qapi/qapi-commands-misc.h"
  38#include "qemu/cutils.h"
  39#include "qemu/main-loop.h"
  40
  41#include "ui/console.h"
  42#include "ui/gtk.h"
  43#ifdef G_OS_WIN32
  44#include <gdk/gdkwin32.h>
  45#endif
  46#include "ui/win32-kbd-hook.h"
  47
  48#include <glib/gi18n.h>
  49#include <locale.h>
  50#if defined(CONFIG_VTE)
  51#include <vte/vte.h>
  52#endif
  53#include <math.h>
  54
  55#include "trace.h"
  56#include "qemu/cutils.h"
  57#include "ui/input.h"
  58#include "sysemu/runstate.h"
  59#include "sysemu/sysemu.h"
  60#include "keymaps.h"
  61#include "chardev/char.h"
  62#include "qom/object.h"
  63
  64#define VC_WINDOW_X_MIN  320
  65#define VC_WINDOW_Y_MIN  240
  66#define VC_TERM_X_MIN     80
  67#define VC_TERM_Y_MIN     25
  68#define VC_SCALE_MIN    0.25
  69#define VC_SCALE_STEP   0.25
  70
  71#ifdef GDK_WINDOWING_X11
  72#include "x_keymap.h"
  73
  74/* Gtk2 compat */
  75#ifndef GDK_IS_X11_DISPLAY
  76#define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
  77#endif
  78#endif
  79
  80
  81#ifdef GDK_WINDOWING_WAYLAND
  82/* Gtk2 compat */
  83#ifndef GDK_IS_WAYLAND_DISPLAY
  84#define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
  85#endif
  86#endif
  87
  88
  89#ifdef GDK_WINDOWING_WIN32
  90/* Gtk2 compat */
  91#ifndef GDK_IS_WIN32_DISPLAY
  92#define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
  93#endif
  94#endif
  95
  96
  97#ifdef GDK_WINDOWING_BROADWAY
  98/* Gtk2 compat */
  99#ifndef GDK_IS_BROADWAY_DISPLAY
 100#define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
 101#endif
 102#endif
 103
 104
 105#ifdef GDK_WINDOWING_QUARTZ
 106/* Gtk2 compat */
 107#ifndef GDK_IS_QUARTZ_DISPLAY
 108#define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
 109#endif
 110#endif
 111
 112
 113#if !defined(CONFIG_VTE)
 114# define VTE_CHECK_VERSION(a, b, c) 0
 115#endif
 116
 117#define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 118
 119static const guint16 *keycode_map;
 120static size_t keycode_maplen;
 121
 122struct VCChardev {
 123    Chardev parent;
 124    VirtualConsole *console;
 125    bool echo;
 126};
 127typedef struct VCChardev VCChardev;
 128
 129#define TYPE_CHARDEV_VC "chardev-vc"
 130DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
 131                         TYPE_CHARDEV_VC)
 132
 133bool gtk_use_gl_area;
 134
 135static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 136static void gd_ungrab_pointer(GtkDisplayState *s);
 137static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 138static void gd_ungrab_keyboard(GtkDisplayState *s);
 139
 140/** Utility Functions **/
 141
 142static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 143{
 144    VirtualConsole *vc;
 145    gint i;
 146
 147    for (i = 0; i < s->nb_vcs; i++) {
 148        vc = &s->vc[i];
 149        if (gtk_check_menu_item_get_active
 150            (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 151            return vc;
 152        }
 153    }
 154    return NULL;
 155}
 156
 157static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 158{
 159    VirtualConsole *vc;
 160    gint i, p;
 161
 162    for (i = 0; i < s->nb_vcs; i++) {
 163        vc = &s->vc[i];
 164        p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 165        if (p == page) {
 166            return vc;
 167        }
 168    }
 169    return NULL;
 170}
 171
 172static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 173{
 174    gint page;
 175
 176    page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 177    return gd_vc_find_by_page(s, page);
 178}
 179
 180static bool gd_is_grab_active(GtkDisplayState *s)
 181{
 182    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 183}
 184
 185static bool gd_grab_on_hover(GtkDisplayState *s)
 186{
 187    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 188}
 189
 190static void gd_update_cursor(VirtualConsole *vc)
 191{
 192    GtkDisplayState *s = vc->s;
 193    GdkWindow *window;
 194
 195    if (vc->type != GD_VC_GFX ||
 196        !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 197        return;
 198    }
 199
 200    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 201        return;
 202    }
 203
 204    window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 205    if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 206        gdk_window_set_cursor(window, s->null_cursor);
 207    } else {
 208        gdk_window_set_cursor(window, NULL);
 209    }
 210}
 211
 212static void gd_update_caption(GtkDisplayState *s)
 213{
 214    const char *status = "";
 215    gchar *prefix;
 216    gchar *title;
 217    const char *grab = "";
 218    bool is_paused = !runstate_is_running();
 219    int i;
 220
 221    if (qemu_name) {
 222        prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 223    } else {
 224        prefix = g_strdup_printf("QEMU");
 225    }
 226
 227    if (s->ptr_owner != NULL &&
 228        s->ptr_owner->window == NULL) {
 229        grab = _(" - Press Ctrl+Alt+G to release grab");
 230    }
 231
 232    if (is_paused) {
 233        status = _(" [Paused]");
 234    }
 235    s->external_pause_update = true;
 236    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 237                                   is_paused);
 238    s->external_pause_update = false;
 239
 240    title = g_strdup_printf("%s%s%s", prefix, status, grab);
 241    gtk_window_set_title(GTK_WINDOW(s->window), title);
 242    g_free(title);
 243
 244    for (i = 0; i < s->nb_vcs; i++) {
 245        VirtualConsole *vc = &s->vc[i];
 246
 247        if (!vc->window) {
 248            continue;
 249        }
 250        title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 251                                vc == s->kbd_owner ? " +kbd" : "",
 252                                vc == s->ptr_owner ? " +ptr" : "");
 253        gtk_window_set_title(GTK_WINDOW(vc->window), title);
 254        g_free(title);
 255    }
 256
 257    g_free(prefix);
 258}
 259
 260static void gd_update_geometry_hints(VirtualConsole *vc)
 261{
 262    GtkDisplayState *s = vc->s;
 263    GdkWindowHints mask = 0;
 264    GdkGeometry geo = {};
 265    GtkWidget *geo_widget = NULL;
 266    GtkWindow *geo_window;
 267
 268    if (vc->type == GD_VC_GFX) {
 269        if (!vc->gfx.ds) {
 270            return;
 271        }
 272        if (s->free_scale) {
 273            geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 274            geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 275            mask |= GDK_HINT_MIN_SIZE;
 276        } else {
 277            geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 278            geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 279            mask |= GDK_HINT_MIN_SIZE;
 280        }
 281        geo_widget = vc->gfx.drawing_area;
 282        gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 283
 284#if defined(CONFIG_VTE)
 285    } else if (vc->type == GD_VC_VTE) {
 286        VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 287        GtkBorder padding = { 0 };
 288
 289#if VTE_CHECK_VERSION(0, 37, 0)
 290        gtk_style_context_get_padding(
 291                gtk_widget_get_style_context(vc->vte.terminal),
 292                gtk_widget_get_state_flags(vc->vte.terminal),
 293                &padding);
 294#else
 295        {
 296            GtkBorder *ib = NULL;
 297            gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 298            if (ib) {
 299                padding = *ib;
 300                gtk_border_free(ib);
 301            }
 302        }
 303#endif
 304
 305        geo.width_inc  = vte_terminal_get_char_width(term);
 306        geo.height_inc = vte_terminal_get_char_height(term);
 307        mask |= GDK_HINT_RESIZE_INC;
 308        geo.base_width  = geo.width_inc;
 309        geo.base_height = geo.height_inc;
 310        mask |= GDK_HINT_BASE_SIZE;
 311        geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 312        geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 313        mask |= GDK_HINT_MIN_SIZE;
 314
 315        geo.base_width  += padding.left + padding.right;
 316        geo.base_height += padding.top + padding.bottom;
 317        geo.min_width   += padding.left + padding.right;
 318        geo.min_height  += padding.top + padding.bottom;
 319        geo_widget = vc->vte.terminal;
 320#endif
 321    }
 322
 323    geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 324    gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 325}
 326
 327void gd_update_windowsize(VirtualConsole *vc)
 328{
 329    GtkDisplayState *s = vc->s;
 330
 331    gd_update_geometry_hints(vc);
 332
 333    if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 334        gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 335                          VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 336    }
 337}
 338
 339static void gd_update_full_redraw(VirtualConsole *vc)
 340{
 341    GtkWidget *area = vc->gfx.drawing_area;
 342    int ww, wh;
 343    ww = gdk_window_get_width(gtk_widget_get_window(area));
 344    wh = gdk_window_get_height(gtk_widget_get_window(area));
 345#if defined(CONFIG_OPENGL)
 346    if (vc->gfx.gls && gtk_use_gl_area) {
 347        gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 348        return;
 349    }
 350#endif
 351    gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 352}
 353
 354static void gtk_release_modifiers(GtkDisplayState *s)
 355{
 356    VirtualConsole *vc = gd_vc_find_current(s);
 357
 358    if (vc->type != GD_VC_GFX ||
 359        !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 360        return;
 361    }
 362    qkbd_state_lift_all_keys(vc->gfx.kbd);
 363}
 364
 365static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 366                               GtkWidget *widget)
 367{
 368    g_object_ref(G_OBJECT(widget));
 369    gtk_container_remove(GTK_CONTAINER(from), widget);
 370    gtk_container_add(GTK_CONTAINER(to), widget);
 371    g_object_unref(G_OBJECT(widget));
 372}
 373
 374static void *gd_win32_get_hwnd(VirtualConsole *vc)
 375{
 376#ifdef G_OS_WIN32
 377    return gdk_win32_window_get_impl_hwnd(
 378        gtk_widget_get_window(vc->window ? vc->window : vc->s->window));
 379#else
 380    return NULL;
 381#endif
 382}
 383
 384/** DisplayState Callbacks **/
 385
 386static void gd_update(DisplayChangeListener *dcl,
 387                      int x, int y, int w, int h)
 388{
 389    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 390    GdkWindow *win;
 391    int x1, x2, y1, y2;
 392    int mx, my;
 393    int fbw, fbh;
 394    int ww, wh;
 395
 396    trace_gd_update(vc->label, x, y, w, h);
 397
 398    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 399        return;
 400    }
 401
 402    if (vc->gfx.convert) {
 403        pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 404                               NULL, vc->gfx.convert,
 405                               x, y, 0, 0, x, y, w, h);
 406    }
 407
 408    x1 = floor(x * vc->gfx.scale_x);
 409    y1 = floor(y * vc->gfx.scale_y);
 410
 411    x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 412    y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 413
 414    fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 415    fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 416
 417    win = gtk_widget_get_window(vc->gfx.drawing_area);
 418    if (!win) {
 419        return;
 420    }
 421    ww = gdk_window_get_width(win);
 422    wh = gdk_window_get_height(win);
 423
 424    mx = my = 0;
 425    if (ww > fbw) {
 426        mx = (ww - fbw) / 2;
 427    }
 428    if (wh > fbh) {
 429        my = (wh - fbh) / 2;
 430    }
 431
 432    gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 433                               mx + x1, my + y1, (x2 - x1), (y2 - y1));
 434}
 435
 436static void gd_refresh(DisplayChangeListener *dcl)
 437{
 438    graphic_hw_update(dcl->con);
 439}
 440
 441static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
 442{
 443    return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
 444}
 445
 446static void gd_mouse_set(DisplayChangeListener *dcl,
 447                         int x, int y, int visible)
 448{
 449    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 450    GdkDisplay *dpy;
 451    gint x_root, y_root;
 452
 453    if (qemu_input_is_absolute()) {
 454        return;
 455    }
 456
 457    dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 458    gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 459                               x, y, &x_root, &y_root);
 460    gdk_device_warp(gd_get_pointer(dpy),
 461                    gtk_widget_get_screen(vc->gfx.drawing_area),
 462                    x_root, y_root);
 463    vc->s->last_x = x;
 464    vc->s->last_y = y;
 465}
 466
 467static void gd_cursor_define(DisplayChangeListener *dcl,
 468                             QEMUCursor *c)
 469{
 470    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 471    GdkPixbuf *pixbuf;
 472    GdkCursor *cursor;
 473
 474    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 475        return;
 476    }
 477
 478    pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 479                                      GDK_COLORSPACE_RGB, true, 8,
 480                                      c->width, c->height, c->width * 4,
 481                                      NULL, NULL);
 482    cursor = gdk_cursor_new_from_pixbuf
 483        (gtk_widget_get_display(vc->gfx.drawing_area),
 484         pixbuf, c->hot_x, c->hot_y);
 485    gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 486    g_object_unref(pixbuf);
 487    g_object_unref(cursor);
 488}
 489
 490static void gd_switch(DisplayChangeListener *dcl,
 491                      DisplaySurface *surface)
 492{
 493    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 494    bool resized = true;
 495
 496    trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
 497
 498    if (vc->gfx.surface) {
 499        cairo_surface_destroy(vc->gfx.surface);
 500        vc->gfx.surface = NULL;
 501    }
 502    if (vc->gfx.convert) {
 503        pixman_image_unref(vc->gfx.convert);
 504        vc->gfx.convert = NULL;
 505    }
 506
 507    if (vc->gfx.ds &&
 508        surface_width(vc->gfx.ds) == surface_width(surface) &&
 509        surface_height(vc->gfx.ds) == surface_height(surface)) {
 510        resized = false;
 511    }
 512    vc->gfx.ds = surface;
 513
 514    if (surface->format == PIXMAN_x8r8g8b8) {
 515        /*
 516         * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 517         *
 518         * No need to convert, use surface directly.  Should be the
 519         * common case as this is qemu_default_pixelformat(32) too.
 520         */
 521        vc->gfx.surface = cairo_image_surface_create_for_data
 522            (surface_data(surface),
 523             CAIRO_FORMAT_RGB24,
 524             surface_width(surface),
 525             surface_height(surface),
 526             surface_stride(surface));
 527    } else {
 528        /* Must convert surface, use pixman to do it. */
 529        vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 530                                                   surface_width(surface),
 531                                                   surface_height(surface),
 532                                                   NULL, 0);
 533        vc->gfx.surface = cairo_image_surface_create_for_data
 534            ((void *)pixman_image_get_data(vc->gfx.convert),
 535             CAIRO_FORMAT_RGB24,
 536             pixman_image_get_width(vc->gfx.convert),
 537             pixman_image_get_height(vc->gfx.convert),
 538             pixman_image_get_stride(vc->gfx.convert));
 539        pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 540                               NULL, vc->gfx.convert,
 541                               0, 0, 0, 0, 0, 0,
 542                               pixman_image_get_width(vc->gfx.convert),
 543                               pixman_image_get_height(vc->gfx.convert));
 544    }
 545
 546    if (resized) {
 547        gd_update_windowsize(vc);
 548    } else {
 549        gd_update_full_redraw(vc);
 550    }
 551}
 552
 553static const DisplayChangeListenerOps dcl_ops = {
 554    .dpy_name             = "gtk",
 555    .dpy_gfx_update       = gd_update,
 556    .dpy_gfx_switch       = gd_switch,
 557    .dpy_gfx_check_format = qemu_pixman_check_format,
 558    .dpy_refresh          = gd_refresh,
 559    .dpy_mouse_set        = gd_mouse_set,
 560    .dpy_cursor_define    = gd_cursor_define,
 561};
 562
 563
 564#if defined(CONFIG_OPENGL)
 565
 566static bool gd_has_dmabuf(DisplayChangeListener *dcl)
 567{
 568    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 569
 570    if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
 571        /* FIXME: Assume it will work, actual check done after realize */
 572        /* fixing this would require delaying listener registration */
 573        return true;
 574    }
 575
 576    return vc->gfx.has_dmabuf;
 577}
 578
 579static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
 580                                 QemuDmaBuf *dmabuf)
 581{
 582#ifdef CONFIG_GBM
 583    egl_dmabuf_release_texture(dmabuf);
 584#endif
 585}
 586
 587void gd_hw_gl_flushed(void *vcon)
 588{
 589    VirtualConsole *vc = vcon;
 590    QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
 591
 592    qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
 593    close(dmabuf->fence_fd);
 594    dmabuf->fence_fd = -1;
 595    graphic_hw_gl_block(vc->gfx.dcl.con, false);
 596}
 597
 598/** DisplayState Callbacks (opengl version) **/
 599
 600static const DisplayChangeListenerOps dcl_gl_area_ops = {
 601    .dpy_name             = "gtk-egl",
 602    .dpy_gfx_update       = gd_gl_area_update,
 603    .dpy_gfx_switch       = gd_gl_area_switch,
 604    .dpy_gfx_check_format = console_gl_check_format,
 605    .dpy_refresh          = gd_gl_area_refresh,
 606    .dpy_mouse_set        = gd_mouse_set,
 607    .dpy_cursor_define    = gd_cursor_define,
 608
 609    .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
 610    .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
 611    .dpy_gl_update           = gd_gl_area_scanout_flush,
 612    .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
 613    .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
 614    .dpy_has_dmabuf          = gd_has_dmabuf,
 615};
 616
 617static bool
 618gd_gl_area_is_compatible_dcl(DisplayGLCtx *dgc,
 619                             DisplayChangeListener *dcl)
 620{
 621    return dcl->ops == &dcl_gl_area_ops;
 622}
 623
 624static const DisplayGLCtxOps gl_area_ctx_ops = {
 625    .dpy_gl_ctx_is_compatible_dcl = gd_gl_area_is_compatible_dcl,
 626    .dpy_gl_ctx_create       = gd_gl_area_create_context,
 627    .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 628    .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 629};
 630
 631#ifdef CONFIG_X11
 632static const DisplayChangeListenerOps dcl_egl_ops = {
 633    .dpy_name             = "gtk-egl",
 634    .dpy_gfx_update       = gd_egl_update,
 635    .dpy_gfx_switch       = gd_egl_switch,
 636    .dpy_gfx_check_format = console_gl_check_format,
 637    .dpy_refresh          = gd_egl_refresh,
 638    .dpy_mouse_set        = gd_mouse_set,
 639    .dpy_cursor_define    = gd_cursor_define,
 640
 641    .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
 642    .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
 643    .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
 644    .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
 645    .dpy_gl_cursor_position  = gd_egl_cursor_position,
 646    .dpy_gl_update           = gd_egl_flush,
 647    .dpy_gl_release_dmabuf   = gd_gl_release_dmabuf,
 648    .dpy_has_dmabuf          = gd_has_dmabuf,
 649};
 650
 651static bool
 652gd_egl_is_compatible_dcl(DisplayGLCtx *dgc,
 653                         DisplayChangeListener *dcl)
 654{
 655    return dcl->ops == &dcl_egl_ops;
 656}
 657
 658static const DisplayGLCtxOps egl_ctx_ops = {
 659    .dpy_gl_ctx_is_compatible_dcl = gd_egl_is_compatible_dcl,
 660    .dpy_gl_ctx_create       = gd_egl_create_context,
 661    .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 662    .dpy_gl_ctx_make_current = gd_egl_make_current,
 663};
 664#endif
 665
 666#endif /* CONFIG_OPENGL */
 667
 668/** QEMU Events **/
 669
 670static void gd_change_runstate(void *opaque, bool running, RunState state)
 671{
 672    GtkDisplayState *s = opaque;
 673
 674    gd_update_caption(s);
 675}
 676
 677static void gd_mouse_mode_change(Notifier *notify, void *data)
 678{
 679    GtkDisplayState *s;
 680    int i;
 681
 682    s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 683    /* release the grab at switching to absolute mode */
 684    if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 685        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 686                                       FALSE);
 687    }
 688    for (i = 0; i < s->nb_vcs; i++) {
 689        VirtualConsole *vc = &s->vc[i];
 690        gd_update_cursor(vc);
 691    }
 692}
 693
 694/** GTK Events **/
 695
 696static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 697                                void *opaque)
 698{
 699    GtkDisplayState *s = opaque;
 700    bool allow_close = true;
 701
 702    if (s->opts->has_window_close && !s->opts->window_close) {
 703        allow_close = false;
 704    }
 705
 706    if (allow_close) {
 707        qmp_quit(NULL);
 708    }
 709
 710    return TRUE;
 711}
 712
 713static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 714{
 715    QemuUIInfo info;
 716
 717    memset(&info, 0, sizeof(info));
 718    info.width = width;
 719    info.height = height;
 720    dpy_set_ui_info(vc->gfx.dcl.con, &info, true);
 721}
 722
 723#if defined(CONFIG_OPENGL)
 724
 725static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 726                                void *opaque)
 727{
 728    VirtualConsole *vc = opaque;
 729
 730    if (vc->gfx.gls) {
 731        gd_gl_area_draw(vc);
 732    }
 733    return TRUE;
 734}
 735
 736static void gd_resize_event(GtkGLArea *area,
 737                            gint width, gint height, gpointer *opaque)
 738{
 739    VirtualConsole *vc = (void *)opaque;
 740
 741    gd_set_ui_info(vc, width, height);
 742}
 743
 744#endif
 745
 746/*
 747 * If available, return the update interval of the monitor in ms,
 748 * else return 0 (the default update interval).
 749 */
 750int gd_monitor_update_interval(GtkWidget *widget)
 751{
 752#ifdef GDK_VERSION_3_22
 753    GdkWindow *win = gtk_widget_get_window(widget);
 754
 755    if (win) {
 756        GdkDisplay *dpy = gtk_widget_get_display(widget);
 757        GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 758        int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
 759
 760        if (refresh_rate) {
 761            /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
 762            return MIN(1000 * 1000 / refresh_rate,
 763                       GUI_REFRESH_INTERVAL_DEFAULT);
 764        }
 765    }
 766#endif
 767    return 0;
 768}
 769
 770static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 771{
 772    VirtualConsole *vc = opaque;
 773    GtkDisplayState *s = vc->s;
 774    int mx, my;
 775    int ww, wh;
 776    int fbw, fbh;
 777
 778#if defined(CONFIG_OPENGL)
 779    if (vc->gfx.gls) {
 780        if (gtk_use_gl_area) {
 781            /* invoke render callback please */
 782            return FALSE;
 783        } else {
 784#ifdef CONFIG_X11
 785            gd_egl_draw(vc);
 786            return TRUE;
 787#else
 788            abort();
 789#endif
 790        }
 791    }
 792#endif
 793
 794    if (!gtk_widget_get_realized(widget)) {
 795        return FALSE;
 796    }
 797    if (!vc->gfx.ds) {
 798        return FALSE;
 799    }
 800    if (!vc->gfx.surface) {
 801        return FALSE;
 802    }
 803
 804    vc->gfx.dcl.update_interval =
 805        gd_monitor_update_interval(vc->window ? vc->window : s->window);
 806
 807    fbw = surface_width(vc->gfx.ds);
 808    fbh = surface_height(vc->gfx.ds);
 809
 810    ww = gdk_window_get_width(gtk_widget_get_window(widget));
 811    wh = gdk_window_get_height(gtk_widget_get_window(widget));
 812
 813    if (s->full_screen) {
 814        vc->gfx.scale_x = (double)ww / fbw;
 815        vc->gfx.scale_y = (double)wh / fbh;
 816    } else if (s->free_scale) {
 817        double sx, sy;
 818
 819        sx = (double)ww / fbw;
 820        sy = (double)wh / fbh;
 821
 822        vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 823    }
 824
 825    fbw *= vc->gfx.scale_x;
 826    fbh *= vc->gfx.scale_y;
 827
 828    mx = my = 0;
 829    if (ww > fbw) {
 830        mx = (ww - fbw) / 2;
 831    }
 832    if (wh > fbh) {
 833        my = (wh - fbh) / 2;
 834    }
 835
 836    cairo_rectangle(cr, 0, 0, ww, wh);
 837
 838    /* Optionally cut out the inner area where the pixmap
 839       will be drawn. This avoids 'flashing' since we're
 840       not double-buffering. Note we're using the undocumented
 841       behaviour of drawing the rectangle from right to left
 842       to cut out the whole */
 843    cairo_rectangle(cr, mx + fbw, my,
 844                    -1 * fbw, fbh);
 845    cairo_fill(cr);
 846
 847    cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 848    cairo_set_source_surface(cr, vc->gfx.surface,
 849                             mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 850    cairo_paint(cr);
 851
 852    return TRUE;
 853}
 854
 855static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 856                                void *opaque)
 857{
 858    VirtualConsole *vc = opaque;
 859    GtkDisplayState *s = vc->s;
 860    GdkWindow *window;
 861    int x, y;
 862    int mx, my;
 863    int fbh, fbw;
 864    int ww, wh, ws;
 865
 866    if (!vc->gfx.ds) {
 867        return TRUE;
 868    }
 869
 870    fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 871    fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 872
 873    window = gtk_widget_get_window(vc->gfx.drawing_area);
 874    ww = gdk_window_get_width(window);
 875    wh = gdk_window_get_height(window);
 876    ws = gdk_window_get_scale_factor(window);
 877
 878    mx = my = 0;
 879    if (ww > fbw) {
 880        mx = (ww - fbw) / 2;
 881    }
 882    if (wh > fbh) {
 883        my = (wh - fbh) / 2;
 884    }
 885
 886    x = (motion->x - mx) / vc->gfx.scale_x * ws;
 887    y = (motion->y - my) / vc->gfx.scale_y * ws;
 888
 889    if (qemu_input_is_absolute()) {
 890        if (x < 0 || y < 0 ||
 891            x >= surface_width(vc->gfx.ds) ||
 892            y >= surface_height(vc->gfx.ds)) {
 893            return TRUE;
 894        }
 895        qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 896                             0, surface_width(vc->gfx.ds));
 897        qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 898                             0, surface_height(vc->gfx.ds));
 899        qemu_input_event_sync();
 900    } else if (s->last_set && s->ptr_owner == vc) {
 901        qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 902        qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 903        qemu_input_event_sync();
 904    }
 905    s->last_x = x;
 906    s->last_y = y;
 907    s->last_set = TRUE;
 908
 909    if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 910        GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 911        GdkDisplay *dpy = gtk_widget_get_display(widget);
 912        GdkWindow *win = gtk_widget_get_window(widget);
 913        GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 914        GdkRectangle geometry;
 915
 916        int x = (int)motion->x_root;
 917        int y = (int)motion->y_root;
 918
 919        gdk_monitor_get_geometry(monitor, &geometry);
 920
 921        /* In relative mode check to see if client pointer hit
 922         * one of the monitor edges, and if so move it back to the
 923         * center of the monitor. This is important because the pointer
 924         * in the server doesn't correspond 1-for-1, and so
 925         * may still be only half way across the screen. Without
 926         * this warp, the server pointer would thus appear to hit
 927         * an invisible wall */
 928        if (x <= geometry.x || x - geometry.x >= geometry.width - 1 ||
 929            y <= geometry.y || y - geometry.y >= geometry.height - 1) {
 930            GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 931            x = geometry.x + geometry.width / 2;
 932            y = geometry.y + geometry.height / 2;
 933
 934            gdk_device_warp(dev, screen, x, y);
 935            s->last_set = FALSE;
 936            return FALSE;
 937        }
 938    }
 939    return TRUE;
 940}
 941
 942static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 943                                void *opaque)
 944{
 945    VirtualConsole *vc = opaque;
 946    GtkDisplayState *s = vc->s;
 947    InputButton btn;
 948
 949    /* implicitly grab the input at the first click in the relative mode */
 950    if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 951        !qemu_input_is_absolute() && s->ptr_owner != vc) {
 952        if (!vc->window) {
 953            gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 954                                           TRUE);
 955        } else {
 956            gd_grab_pointer(vc, "relative-mode-click");
 957        }
 958        return TRUE;
 959    }
 960
 961    if (button->button == 1) {
 962        btn = INPUT_BUTTON_LEFT;
 963    } else if (button->button == 2) {
 964        btn = INPUT_BUTTON_MIDDLE;
 965    } else if (button->button == 3) {
 966        btn = INPUT_BUTTON_RIGHT;
 967    } else if (button->button == 8) {
 968        btn = INPUT_BUTTON_SIDE;
 969    } else if (button->button == 9) {
 970        btn = INPUT_BUTTON_EXTRA;
 971    } else {
 972        return TRUE;
 973    }
 974
 975    if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
 976        return TRUE;
 977    }
 978
 979    qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 980                         button->type == GDK_BUTTON_PRESS);
 981    qemu_input_event_sync();
 982    return TRUE;
 983}
 984
 985static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 986                                void *opaque)
 987{
 988    VirtualConsole *vc = opaque;
 989    InputButton btn_vertical;
 990    InputButton btn_horizontal;
 991    bool has_vertical = false;
 992    bool has_horizontal = false;
 993
 994    if (scroll->direction == GDK_SCROLL_UP) {
 995        btn_vertical = INPUT_BUTTON_WHEEL_UP;
 996        has_vertical = true;
 997    } else if (scroll->direction == GDK_SCROLL_DOWN) {
 998        btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
 999        has_vertical = true;
1000    } else if (scroll->direction == GDK_SCROLL_LEFT) {
1001        btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1002        has_horizontal = true;
1003    } else if (scroll->direction == GDK_SCROLL_RIGHT) {
1004        btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1005        has_horizontal = true;
1006    } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1007        gdouble delta_x, delta_y;
1008        if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1009                                         &delta_x, &delta_y)) {
1010            return TRUE;
1011        }
1012
1013        if (delta_y > 0) {
1014            btn_vertical = INPUT_BUTTON_WHEEL_DOWN;
1015            has_vertical = true;
1016        } else if (delta_y < 0) {
1017            btn_vertical = INPUT_BUTTON_WHEEL_UP;
1018            has_vertical = true;
1019        } else if (delta_x > 0) {
1020            btn_horizontal = INPUT_BUTTON_WHEEL_RIGHT;
1021            has_horizontal = true;
1022        } else if (delta_x < 0) {
1023            btn_horizontal = INPUT_BUTTON_WHEEL_LEFT;
1024            has_horizontal = true;
1025        } else {
1026            return TRUE;
1027        }
1028    } else {
1029        return TRUE;
1030    }
1031
1032    if (has_vertical) {
1033        qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, true);
1034        qemu_input_event_sync();
1035        qemu_input_queue_btn(vc->gfx.dcl.con, btn_vertical, false);
1036        qemu_input_event_sync();
1037    }
1038
1039    if (has_horizontal) {
1040        qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, true);
1041        qemu_input_event_sync();
1042        qemu_input_queue_btn(vc->gfx.dcl.con, btn_horizontal, false);
1043        qemu_input_event_sync();
1044    }
1045
1046    return TRUE;
1047}
1048
1049
1050static const guint16 *gd_get_keymap(size_t *maplen)
1051{
1052    GdkDisplay *dpy = gdk_display_get_default();
1053
1054#ifdef GDK_WINDOWING_X11
1055    if (GDK_IS_X11_DISPLAY(dpy)) {
1056        trace_gd_keymap_windowing("x11");
1057        return qemu_xkeymap_mapping_table(
1058            gdk_x11_display_get_xdisplay(dpy), maplen);
1059    }
1060#endif
1061
1062#ifdef GDK_WINDOWING_WAYLAND
1063    if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1064        trace_gd_keymap_windowing("wayland");
1065        *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1066        return qemu_input_map_xorgevdev_to_qcode;
1067    }
1068#endif
1069
1070#ifdef GDK_WINDOWING_WIN32
1071    if (GDK_IS_WIN32_DISPLAY(dpy)) {
1072        trace_gd_keymap_windowing("win32");
1073        *maplen = qemu_input_map_atset1_to_qcode_len;
1074        return qemu_input_map_atset1_to_qcode;
1075    }
1076#endif
1077
1078#ifdef GDK_WINDOWING_QUARTZ
1079    if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1080        trace_gd_keymap_windowing("quartz");
1081        *maplen = qemu_input_map_osx_to_qcode_len;
1082        return qemu_input_map_osx_to_qcode;
1083    }
1084#endif
1085
1086#ifdef GDK_WINDOWING_BROADWAY
1087    if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1088        trace_gd_keymap_windowing("broadway");
1089        g_warning("experimental: using broadway, x11 virtual keysym\n"
1090                  "mapping - with very limited support. See also\n"
1091                  "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1092        *maplen = qemu_input_map_x11_to_qcode_len;
1093        return qemu_input_map_x11_to_qcode;
1094    }
1095#endif
1096
1097    g_warning("Unsupported GDK Windowing platform.\n"
1098              "Disabling extended keycode tables.\n"
1099              "Please report to qemu-devel@nongnu.org\n"
1100              "including the following information:\n"
1101              "\n"
1102              "  - Operating system\n"
1103              "  - GDK Windowing system build\n");
1104    return NULL;
1105}
1106
1107
1108static int gd_map_keycode(int scancode)
1109{
1110    if (!keycode_map) {
1111        return 0;
1112    }
1113    if (scancode > keycode_maplen) {
1114        return 0;
1115    }
1116
1117    return keycode_map[scancode];
1118}
1119
1120static int gd_get_keycode(GdkEventKey *key)
1121{
1122#ifdef G_OS_WIN32
1123    int scancode = gdk_event_get_scancode((GdkEvent *)key);
1124
1125    /* translate Windows native scancodes to atset1 keycodes */
1126    switch (scancode & (KF_EXTENDED | 0xff)) {
1127    case 0x145:     /* NUMLOCK */
1128        return scancode & 0xff;
1129    }
1130
1131    return scancode & KF_EXTENDED ?
1132        0xe000 | (scancode & 0xff) : scancode & 0xff;
1133
1134#else
1135    return key->hardware_keycode;
1136#endif
1137}
1138
1139static gboolean gd_text_key_down(GtkWidget *widget,
1140                                 GdkEventKey *key, void *opaque)
1141{
1142    VirtualConsole *vc = opaque;
1143    QemuConsole *con = vc->gfx.dcl.con;
1144
1145    if (key->keyval == GDK_KEY_Delete) {
1146        kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1147    } else if (key->length) {
1148        kbd_put_string_console(con, key->string, key->length);
1149    } else {
1150        int qcode = gd_map_keycode(gd_get_keycode(key));
1151        kbd_put_qcode_console(con, qcode, false);
1152    }
1153    return TRUE;
1154}
1155
1156static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1157{
1158    VirtualConsole *vc = opaque;
1159    int keycode, qcode;
1160
1161#ifdef G_OS_WIN32
1162    /* on windows, we ought to ignore the reserved key event? */
1163    if (key->hardware_keycode == 0xff)
1164        return false;
1165
1166    if (!vc->s->kbd_owner) {
1167        if (key->hardware_keycode == VK_LWIN ||
1168            key->hardware_keycode == VK_RWIN) {
1169            return FALSE;
1170        }
1171    }
1172#endif
1173
1174    if (key->keyval == GDK_KEY_Pause
1175#ifdef G_OS_WIN32
1176        /* for some reason GDK does not fill keyval for VK_PAUSE
1177         * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1178         */
1179        || key->hardware_keycode == VK_PAUSE
1180#endif
1181        ) {
1182        qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1183                             key->type == GDK_KEY_PRESS);
1184        return TRUE;
1185    }
1186
1187    keycode = gd_get_keycode(key);
1188    qcode = gd_map_keycode(keycode);
1189
1190    trace_gd_key_event(vc->label, keycode, qcode,
1191                       (key->type == GDK_KEY_PRESS) ? "down" : "up");
1192
1193    qkbd_state_key_event(vc->gfx.kbd, qcode,
1194                         key->type == GDK_KEY_PRESS);
1195
1196    return TRUE;
1197}
1198
1199static gboolean gd_grab_broken_event(GtkWidget *widget,
1200                                     GdkEventGrabBroken *event, void *opaque)
1201{
1202#ifdef CONFIG_WIN32
1203    /*
1204     * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1205     * key combination leaves all three keys in a stuck condition. We use
1206     * the grab-broken-event to release all keys.
1207     */
1208    if (event->keyboard) {
1209        VirtualConsole *vc = opaque;
1210        GtkDisplayState *s = vc->s;
1211
1212        gtk_release_modifiers(s);
1213    }
1214#endif
1215    return TRUE;
1216}
1217
1218static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1219{
1220    if (event->type == GDK_MOTION_NOTIFY) {
1221        return gd_motion_event(widget, &event->motion, opaque);
1222    }
1223    return FALSE;
1224}
1225
1226/** Window Menu Actions **/
1227
1228static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1229{
1230    GtkDisplayState *s = opaque;
1231
1232    if (s->external_pause_update) {
1233        return;
1234    }
1235    if (runstate_is_running()) {
1236        qmp_stop(NULL);
1237    } else {
1238        qmp_cont(NULL);
1239    }
1240}
1241
1242static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1243{
1244    qmp_system_reset(NULL);
1245}
1246
1247static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1248{
1249    qmp_system_powerdown(NULL);
1250}
1251
1252static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1253{
1254    qmp_quit(NULL);
1255}
1256
1257static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1258{
1259    GtkDisplayState *s = opaque;
1260    VirtualConsole *vc = gd_vc_find_by_menu(s);
1261    GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1262    gint page;
1263
1264    gtk_release_modifiers(s);
1265    if (vc) {
1266        page = gtk_notebook_page_num(nb, vc->tab_item);
1267        gtk_notebook_set_current_page(nb, page);
1268        gtk_widget_grab_focus(vc->focus);
1269    }
1270}
1271
1272static void gd_accel_switch_vc(void *opaque)
1273{
1274    VirtualConsole *vc = opaque;
1275
1276    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1277}
1278
1279static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1280{
1281    GtkDisplayState *s = opaque;
1282    VirtualConsole *vc = gd_vc_find_current(s);
1283
1284    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1285        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1286    } else {
1287        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1288    }
1289    gd_update_windowsize(vc);
1290}
1291
1292static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1293                                    void *opaque)
1294{
1295    VirtualConsole *vc = opaque;
1296    GtkDisplayState *s = vc->s;
1297
1298    gtk_widget_set_sensitive(vc->menu_item, true);
1299    gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1300    gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1301                                    vc->tab_item, vc->label);
1302    gtk_widget_destroy(vc->window);
1303    vc->window = NULL;
1304#if defined(CONFIG_OPENGL)
1305    if (vc->gfx.esurface) {
1306        eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1307        vc->gfx.esurface = NULL;
1308    }
1309    if (vc->gfx.ectx) {
1310        eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1311        vc->gfx.ectx = NULL;
1312    }
1313#endif
1314    return TRUE;
1315}
1316
1317static gboolean gd_win_grab(void *opaque)
1318{
1319    VirtualConsole *vc = opaque;
1320
1321    fprintf(stderr, "%s: %s\n", __func__, vc->label);
1322    if (vc->s->ptr_owner) {
1323        gd_ungrab_pointer(vc->s);
1324    } else {
1325        gd_grab_pointer(vc, "user-request-detached-tab");
1326    }
1327    return TRUE;
1328}
1329
1330static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1331{
1332    GtkDisplayState *s = opaque;
1333    VirtualConsole *vc = gd_vc_find_current(s);
1334
1335    if (vc->type == GD_VC_GFX &&
1336        qemu_console_is_graphic(vc->gfx.dcl.con)) {
1337        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1338                                       FALSE);
1339    }
1340    if (!vc->window) {
1341        gtk_widget_set_sensitive(vc->menu_item, false);
1342        vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1343#if defined(CONFIG_OPENGL)
1344        if (vc->gfx.esurface) {
1345            eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
1346            vc->gfx.esurface = NULL;
1347        }
1348        if (vc->gfx.esurface) {
1349            eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
1350            vc->gfx.ectx = NULL;
1351        }
1352#endif
1353        gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1354
1355        g_signal_connect(vc->window, "delete-event",
1356                         G_CALLBACK(gd_tab_window_close), vc);
1357        gtk_widget_show_all(vc->window);
1358
1359        if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1360            GtkAccelGroup *ag = gtk_accel_group_new();
1361            gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1362
1363            GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1364                                               vc, NULL);
1365            gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1366        }
1367
1368        gd_update_geometry_hints(vc);
1369        gd_update_caption(s);
1370    }
1371}
1372
1373static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1374{
1375    GtkDisplayState *s = opaque;
1376    VirtualConsole *vc = gd_vc_find_current(s);
1377
1378    if (s->full_screen) {
1379        return;
1380    }
1381
1382    if (gtk_check_menu_item_get_active(
1383                GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1384        gtk_widget_show(s->menu_bar);
1385    } else {
1386        gtk_widget_hide(s->menu_bar);
1387    }
1388    gd_update_windowsize(vc);
1389}
1390
1391static void gd_accel_show_menubar(void *opaque)
1392{
1393    GtkDisplayState *s = opaque;
1394    gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1395}
1396
1397static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1398{
1399    GtkDisplayState *s = opaque;
1400    VirtualConsole *vc = gd_vc_find_current(s);
1401
1402    if (!s->full_screen) {
1403        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1404        gtk_widget_hide(s->menu_bar);
1405        if (vc->type == GD_VC_GFX) {
1406            gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1407        }
1408        gtk_window_fullscreen(GTK_WINDOW(s->window));
1409        s->full_screen = TRUE;
1410    } else {
1411        gtk_window_unfullscreen(GTK_WINDOW(s->window));
1412        gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1413        if (gtk_check_menu_item_get_active(
1414                    GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1415            gtk_widget_show(s->menu_bar);
1416        }
1417        s->full_screen = FALSE;
1418        if (vc->type == GD_VC_GFX) {
1419            vc->gfx.scale_x = 1.0;
1420            vc->gfx.scale_y = 1.0;
1421            gd_update_windowsize(vc);
1422        }
1423    }
1424
1425    gd_update_cursor(vc);
1426}
1427
1428static void gd_accel_full_screen(void *opaque)
1429{
1430    GtkDisplayState *s = opaque;
1431    gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1432}
1433
1434static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1435{
1436    GtkDisplayState *s = opaque;
1437    VirtualConsole *vc = gd_vc_find_current(s);
1438
1439    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1440                                   FALSE);
1441
1442    vc->gfx.scale_x += VC_SCALE_STEP;
1443    vc->gfx.scale_y += VC_SCALE_STEP;
1444
1445    gd_update_windowsize(vc);
1446}
1447
1448static void gd_accel_zoom_in(void *opaque)
1449{
1450    GtkDisplayState *s = opaque;
1451    gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1452}
1453
1454static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1455{
1456    GtkDisplayState *s = opaque;
1457    VirtualConsole *vc = gd_vc_find_current(s);
1458
1459    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1460                                   FALSE);
1461
1462    vc->gfx.scale_x -= VC_SCALE_STEP;
1463    vc->gfx.scale_y -= VC_SCALE_STEP;
1464
1465    vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1466    vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1467
1468    gd_update_windowsize(vc);
1469}
1470
1471static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1472{
1473    GtkDisplayState *s = opaque;
1474    VirtualConsole *vc = gd_vc_find_current(s);
1475
1476    vc->gfx.scale_x = 1.0;
1477    vc->gfx.scale_y = 1.0;
1478
1479    gd_update_windowsize(vc);
1480}
1481
1482static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1483{
1484    GtkDisplayState *s = opaque;
1485    VirtualConsole *vc = gd_vc_find_current(s);
1486
1487    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1488        s->free_scale = TRUE;
1489    } else {
1490        s->free_scale = FALSE;
1491        vc->gfx.scale_x = 1.0;
1492        vc->gfx.scale_y = 1.0;
1493    }
1494
1495    gd_update_windowsize(vc);
1496    gd_update_full_redraw(vc);
1497}
1498
1499static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1500{
1501    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1502    GdkSeat *seat = gdk_display_get_default_seat(display);
1503    GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1504    GdkSeatCapabilities caps = 0;
1505    GdkCursor *cursor = NULL;
1506
1507    if (kbd) {
1508        caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1509    }
1510    if (ptr) {
1511        caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1512        cursor = vc->s->null_cursor;
1513    }
1514
1515    if (caps) {
1516        gdk_seat_grab(seat, window, caps, false, cursor,
1517                      NULL, NULL, NULL);
1518    } else {
1519        gdk_seat_ungrab(seat);
1520    }
1521}
1522
1523static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1524{
1525    if (vc->s->kbd_owner) {
1526        if (vc->s->kbd_owner == vc) {
1527            return;
1528        } else {
1529            gd_ungrab_keyboard(vc->s);
1530        }
1531    }
1532
1533    win32_kbd_set_grab(true);
1534    gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1535    vc->s->kbd_owner = vc;
1536    gd_update_caption(vc->s);
1537    trace_gd_grab(vc->label, "kbd", reason);
1538}
1539
1540static void gd_ungrab_keyboard(GtkDisplayState *s)
1541{
1542    VirtualConsole *vc = s->kbd_owner;
1543
1544    if (vc == NULL) {
1545        return;
1546    }
1547    s->kbd_owner = NULL;
1548
1549    win32_kbd_set_grab(false);
1550    gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1551    gd_update_caption(s);
1552    trace_gd_ungrab(vc->label, "kbd");
1553}
1554
1555static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1556{
1557    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1558
1559    if (vc->s->ptr_owner) {
1560        if (vc->s->ptr_owner == vc) {
1561            return;
1562        } else {
1563            gd_ungrab_pointer(vc->s);
1564        }
1565    }
1566
1567    gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1568    gdk_device_get_position(gd_get_pointer(display),
1569                            NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1570    vc->s->ptr_owner = vc;
1571    gd_update_caption(vc->s);
1572    trace_gd_grab(vc->label, "ptr", reason);
1573}
1574
1575static void gd_ungrab_pointer(GtkDisplayState *s)
1576{
1577    VirtualConsole *vc = s->ptr_owner;
1578    GdkDisplay *display;
1579
1580    if (vc == NULL) {
1581        return;
1582    }
1583    s->ptr_owner = NULL;
1584
1585    display = gtk_widget_get_display(vc->gfx.drawing_area);
1586    gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1587    gdk_device_warp(gd_get_pointer(display),
1588                    gtk_widget_get_screen(vc->gfx.drawing_area),
1589                    vc->s->grab_x_root, vc->s->grab_y_root);
1590    gd_update_caption(s);
1591    trace_gd_ungrab(vc->label, "ptr");
1592}
1593
1594static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1595{
1596    GtkDisplayState *s = opaque;
1597    VirtualConsole *vc = gd_vc_find_current(s);
1598
1599    if (gd_is_grab_active(s)) {
1600        gd_grab_keyboard(vc, "user-request-main-window");
1601        gd_grab_pointer(vc, "user-request-main-window");
1602    } else {
1603        gd_ungrab_keyboard(s);
1604        gd_ungrab_pointer(s);
1605    }
1606
1607    gd_update_cursor(vc);
1608}
1609
1610static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1611                           gpointer data)
1612{
1613    GtkDisplayState *s = data;
1614    VirtualConsole *vc;
1615    gboolean on_vga;
1616
1617    if (!gtk_widget_get_realized(s->notebook)) {
1618        return;
1619    }
1620
1621    vc = gd_vc_find_by_page(s, arg2);
1622    if (!vc) {
1623        return;
1624    }
1625    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1626                                   TRUE);
1627    on_vga = (vc->type == GD_VC_GFX &&
1628              qemu_console_is_graphic(vc->gfx.dcl.con));
1629    if (!on_vga) {
1630        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1631                                       FALSE);
1632    } else if (s->full_screen) {
1633        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1634                                       TRUE);
1635    }
1636    gtk_widget_set_sensitive(s->grab_item, on_vga);
1637#ifdef CONFIG_VTE
1638    gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1639#endif
1640
1641    gd_update_windowsize(vc);
1642    gd_update_cursor(vc);
1643}
1644
1645static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1646                               gpointer opaque)
1647{
1648    VirtualConsole *vc = opaque;
1649    GtkDisplayState *s = vc->s;
1650
1651    if (gd_grab_on_hover(s)) {
1652        gd_grab_keyboard(vc, "grab-on-hover");
1653    }
1654    return TRUE;
1655}
1656
1657static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1658                               gpointer opaque)
1659{
1660    VirtualConsole *vc = opaque;
1661    GtkDisplayState *s = vc->s;
1662
1663    if (gd_grab_on_hover(s)) {
1664        gd_ungrab_keyboard(s);
1665    }
1666    return TRUE;
1667}
1668
1669static gboolean gd_focus_in_event(GtkWidget *widget,
1670                                  GdkEventFocus *event, gpointer opaque)
1671{
1672    VirtualConsole *vc = opaque;
1673
1674    win32_kbd_set_window(gd_win32_get_hwnd(vc));
1675    return TRUE;
1676}
1677
1678static gboolean gd_focus_out_event(GtkWidget *widget,
1679                                   GdkEventFocus *event, gpointer opaque)
1680{
1681    VirtualConsole *vc = opaque;
1682    GtkDisplayState *s = vc->s;
1683
1684    win32_kbd_set_window(NULL);
1685    gtk_release_modifiers(s);
1686    return TRUE;
1687}
1688
1689static gboolean gd_configure(GtkWidget *widget,
1690                             GdkEventConfigure *cfg, gpointer opaque)
1691{
1692    VirtualConsole *vc = opaque;
1693
1694    gd_set_ui_info(vc, cfg->width, cfg->height);
1695    return FALSE;
1696}
1697
1698/** Virtual Console Callbacks **/
1699
1700static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1701                               int idx, GSList *group, GtkWidget *view_menu)
1702{
1703    vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1704    gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1705            HOTKEY_MODIFIERS, 0,
1706            g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1707    gtk_accel_label_set_accel(
1708            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1709            GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1710
1711    g_signal_connect(vc->menu_item, "activate",
1712                     G_CALLBACK(gd_menu_switch_vc), s);
1713    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1714
1715    return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1716}
1717
1718#if defined(CONFIG_VTE)
1719static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1720{
1721    GtkDisplayState *s = opaque;
1722    VirtualConsole *vc = gd_vc_find_current(s);
1723
1724#if VTE_CHECK_VERSION(0, 50, 0)
1725    vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1726                                       VTE_FORMAT_TEXT);
1727#else
1728    vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1729#endif
1730}
1731
1732static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1733{
1734    VirtualConsole *vc = opaque;
1735
1736    if (gtk_adjustment_get_upper(adjustment) >
1737        gtk_adjustment_get_page_size(adjustment)) {
1738        gtk_widget_show(vc->vte.scrollbar);
1739    } else {
1740        gtk_widget_hide(vc->vte.scrollbar);
1741    }
1742}
1743
1744static void gd_vc_send_chars(VirtualConsole *vc)
1745{
1746    uint32_t len, avail;
1747
1748    len = qemu_chr_be_can_write(vc->vte.chr);
1749    avail = fifo8_num_used(&vc->vte.out_fifo);
1750    while (len > 0 && avail > 0) {
1751        const uint8_t *buf;
1752        uint32_t size;
1753
1754        buf = fifo8_pop_buf(&vc->vte.out_fifo, MIN(len, avail), &size);
1755        qemu_chr_be_write(vc->vte.chr, (uint8_t *)buf, size);
1756        len = qemu_chr_be_can_write(vc->vte.chr);
1757        avail -= size;
1758    }
1759}
1760
1761static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1762{
1763    VCChardev *vcd = VC_CHARDEV(chr);
1764    VirtualConsole *vc = vcd->console;
1765
1766    vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1767    return len;
1768}
1769
1770static void gd_vc_chr_accept_input(Chardev *chr)
1771{
1772    VCChardev *vcd = VC_CHARDEV(chr);
1773    VirtualConsole *vc = vcd->console;
1774
1775    gd_vc_send_chars(vc);
1776}
1777
1778static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1779{
1780    VCChardev *vcd = VC_CHARDEV(chr);
1781    VirtualConsole *vc = vcd->console;
1782
1783    if (vc) {
1784        vc->vte.echo = echo;
1785    } else {
1786        vcd->echo = echo;
1787    }
1788}
1789
1790static int nb_vcs;
1791static Chardev *vcs[MAX_VCS];
1792static void gd_vc_open(Chardev *chr,
1793                       ChardevBackend *backend,
1794                       bool *be_opened,
1795                       Error **errp)
1796{
1797    if (nb_vcs == MAX_VCS) {
1798        error_setg(errp, "Maximum number of consoles reached");
1799        return;
1800    }
1801
1802    vcs[nb_vcs++] = chr;
1803
1804    /* console/chardev init sometimes completes elsewhere in a 2nd
1805     * stage, so defer OPENED events until they are fully initialized
1806     */
1807    *be_opened = false;
1808}
1809
1810static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1811{
1812    ChardevClass *cc = CHARDEV_CLASS(oc);
1813
1814    cc->parse = qemu_chr_parse_vc;
1815    cc->open = gd_vc_open;
1816    cc->chr_write = gd_vc_chr_write;
1817    cc->chr_accept_input = gd_vc_chr_accept_input;
1818    cc->chr_set_echo = gd_vc_chr_set_echo;
1819}
1820
1821static const TypeInfo char_gd_vc_type_info = {
1822    .name = TYPE_CHARDEV_VC,
1823    .parent = TYPE_CHARDEV,
1824    .instance_size = sizeof(VCChardev),
1825    .class_init = char_gd_vc_class_init,
1826};
1827
1828static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1829                         gpointer user_data)
1830{
1831    VirtualConsole *vc = user_data;
1832    uint32_t free;
1833
1834    if (vc->vte.echo) {
1835        VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1836        int i;
1837        for (i = 0; i < size; i++) {
1838            uint8_t c = text[i];
1839            if (c >= 128 || isprint(c)) {
1840                /* 8-bit characters are considered printable.  */
1841                vte_terminal_feed(term, &text[i], 1);
1842            } else if (c == '\r' || c == '\n') {
1843                vte_terminal_feed(term, "\r\n", 2);
1844            } else {
1845                char ctrl[2] = { '^', 0};
1846                ctrl[1] = text[i] ^ 64;
1847                vte_terminal_feed(term, ctrl, 2);
1848            }
1849        }
1850    }
1851
1852    free = fifo8_num_free(&vc->vte.out_fifo);
1853    fifo8_push_all(&vc->vte.out_fifo, (uint8_t *)text, MIN(free, size));
1854    gd_vc_send_chars(vc);
1855
1856    return TRUE;
1857}
1858
1859static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1860                              Chardev *chr, int idx,
1861                              GSList *group, GtkWidget *view_menu)
1862{
1863    char buffer[32];
1864    GtkWidget *box;
1865    GtkWidget *scrollbar;
1866    GtkAdjustment *vadjustment;
1867    VCChardev *vcd = VC_CHARDEV(chr);
1868
1869    vc->s = s;
1870    vc->vte.echo = vcd->echo;
1871    vc->vte.chr = chr;
1872    fifo8_create(&vc->vte.out_fifo, 4096);
1873    vcd->console = vc;
1874
1875    snprintf(buffer, sizeof(buffer), "vc%d", idx);
1876    vc->label = g_strdup_printf("%s", vc->vte.chr->label
1877                                ? vc->vte.chr->label : buffer);
1878    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1879
1880    vc->vte.terminal = vte_terminal_new();
1881    g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1882
1883    /* The documentation says that the default is UTF-8, but actually it is
1884     * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1885     * VTE 0.54 (only UTF-8 is supported now). */
1886#if !VTE_CHECK_VERSION(0, 54, 0)
1887#if VTE_CHECK_VERSION(0, 38, 0)
1888    vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1889#else
1890    vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1891#endif
1892#endif
1893
1894    vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1895    vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1896                          VC_TERM_X_MIN, VC_TERM_Y_MIN);
1897
1898#if VTE_CHECK_VERSION(0, 28, 0)
1899    vadjustment = gtk_scrollable_get_vadjustment
1900        (GTK_SCROLLABLE(vc->vte.terminal));
1901#else
1902    vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1903#endif
1904
1905    box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1906    scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1907
1908    gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1909    gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1910
1911    vc->vte.box = box;
1912    vc->vte.scrollbar = scrollbar;
1913
1914    g_signal_connect(vadjustment, "changed",
1915                     G_CALLBACK(gd_vc_adjustment_changed), vc);
1916
1917    vc->type = GD_VC_VTE;
1918    vc->tab_item = box;
1919    vc->focus = vc->vte.terminal;
1920    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1921                             gtk_label_new(vc->label));
1922
1923    qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1924
1925    return group;
1926}
1927
1928static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1929                        GtkWidget *view_menu)
1930{
1931    int i;
1932
1933    for (i = 0; i < nb_vcs; i++) {
1934        VirtualConsole *vc = &s->vc[s->nb_vcs];
1935        group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1936        s->nb_vcs++;
1937    }
1938}
1939#endif /* CONFIG_VTE */
1940
1941/** Window Creation **/
1942
1943static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1944{
1945    g_signal_connect(vc->gfx.drawing_area, "draw",
1946                     G_CALLBACK(gd_draw_event), vc);
1947#if defined(CONFIG_OPENGL)
1948    if (gtk_use_gl_area) {
1949        /* wire up GtkGlArea events */
1950        g_signal_connect(vc->gfx.drawing_area, "render",
1951                         G_CALLBACK(gd_render_event), vc);
1952        g_signal_connect(vc->gfx.drawing_area, "resize",
1953                         G_CALLBACK(gd_resize_event), vc);
1954    }
1955#endif
1956    if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1957        g_signal_connect(vc->gfx.drawing_area, "event",
1958                         G_CALLBACK(gd_event), vc);
1959        g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1960                         G_CALLBACK(gd_button_event), vc);
1961        g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1962                         G_CALLBACK(gd_button_event), vc);
1963        g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1964                         G_CALLBACK(gd_scroll_event), vc);
1965        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1966                         G_CALLBACK(gd_key_event), vc);
1967        g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1968                         G_CALLBACK(gd_key_event), vc);
1969
1970        g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1971                         G_CALLBACK(gd_enter_event), vc);
1972        g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1973                         G_CALLBACK(gd_leave_event), vc);
1974        g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1975                         G_CALLBACK(gd_focus_in_event), vc);
1976        g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1977                         G_CALLBACK(gd_focus_out_event), vc);
1978        g_signal_connect(vc->gfx.drawing_area, "configure-event",
1979                         G_CALLBACK(gd_configure), vc);
1980        g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1981                         G_CALLBACK(gd_grab_broken_event), vc);
1982    } else {
1983        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1984                         G_CALLBACK(gd_text_key_down), vc);
1985    }
1986}
1987
1988static void gd_connect_signals(GtkDisplayState *s)
1989{
1990    g_signal_connect(s->show_tabs_item, "activate",
1991                     G_CALLBACK(gd_menu_show_tabs), s);
1992    g_signal_connect(s->untabify_item, "activate",
1993                     G_CALLBACK(gd_menu_untabify), s);
1994    g_signal_connect(s->show_menubar_item, "activate",
1995                     G_CALLBACK(gd_menu_show_menubar), s);
1996
1997    g_signal_connect(s->window, "delete-event",
1998                     G_CALLBACK(gd_window_close), s);
1999
2000    g_signal_connect(s->pause_item, "activate",
2001                     G_CALLBACK(gd_menu_pause), s);
2002    g_signal_connect(s->reset_item, "activate",
2003                     G_CALLBACK(gd_menu_reset), s);
2004    g_signal_connect(s->powerdown_item, "activate",
2005                     G_CALLBACK(gd_menu_powerdown), s);
2006    g_signal_connect(s->quit_item, "activate",
2007                     G_CALLBACK(gd_menu_quit), s);
2008#if defined(CONFIG_VTE)
2009    g_signal_connect(s->copy_item, "activate",
2010                     G_CALLBACK(gd_menu_copy), s);
2011#endif
2012    g_signal_connect(s->full_screen_item, "activate",
2013                     G_CALLBACK(gd_menu_full_screen), s);
2014    g_signal_connect(s->zoom_in_item, "activate",
2015                     G_CALLBACK(gd_menu_zoom_in), s);
2016    g_signal_connect(s->zoom_out_item, "activate",
2017                     G_CALLBACK(gd_menu_zoom_out), s);
2018    g_signal_connect(s->zoom_fixed_item, "activate",
2019                     G_CALLBACK(gd_menu_zoom_fixed), s);
2020    g_signal_connect(s->zoom_fit_item, "activate",
2021                     G_CALLBACK(gd_menu_zoom_fit), s);
2022    g_signal_connect(s->grab_item, "activate",
2023                     G_CALLBACK(gd_menu_grab_input), s);
2024    g_signal_connect(s->notebook, "switch-page",
2025                     G_CALLBACK(gd_change_page), s);
2026}
2027
2028static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
2029{
2030    GtkWidget *machine_menu;
2031    GtkWidget *separator;
2032
2033    machine_menu = gtk_menu_new();
2034    gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
2035
2036    s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
2037    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
2038
2039    separator = gtk_separator_menu_item_new();
2040    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2041
2042    s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
2043    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
2044
2045    s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
2046    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
2047
2048    separator = gtk_separator_menu_item_new();
2049    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
2050
2051    s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
2052    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
2053                                 "<QEMU>/Machine/Quit");
2054    gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
2055                            GDK_KEY_q, HOTKEY_MODIFIERS);
2056    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2057
2058    return machine_menu;
2059}
2060
2061#if defined(CONFIG_OPENGL)
2062static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2063{
2064    gtk_gl_area_make_current(area);
2065    qemu_egl_display = eglGetCurrentDisplay();
2066    vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2067    if (!vc->gfx.has_dmabuf) {
2068        error_report("GtkGLArea console lacks DMABUF support.");
2069    }
2070}
2071#endif
2072
2073static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2074                              QemuConsole *con, int idx,
2075                              GSList *group, GtkWidget *view_menu)
2076{
2077    bool zoom_to_fit = false;
2078
2079    vc->label = qemu_console_get_label(con);
2080    vc->s = s;
2081    vc->gfx.scale_x = 1.0;
2082    vc->gfx.scale_y = 1.0;
2083
2084#if defined(CONFIG_OPENGL)
2085    if (display_opengl) {
2086        if (gtk_use_gl_area) {
2087            vc->gfx.drawing_area = gtk_gl_area_new();
2088            g_signal_connect(vc->gfx.drawing_area, "realize",
2089                             G_CALLBACK(gl_area_realize), vc);
2090            vc->gfx.dcl.ops = &dcl_gl_area_ops;
2091            vc->gfx.dgc.ops = &gl_area_ctx_ops;
2092        } else {
2093#ifdef CONFIG_X11
2094            vc->gfx.drawing_area = gtk_drawing_area_new();
2095            /*
2096             * gtk_widget_set_double_buffered() was deprecated in 3.14.
2097             * It is required for opengl rendering on X11 though.  A
2098             * proper replacement (native opengl support) is only
2099             * available in 3.16+.  Silence the warning if possible.
2100             */
2101#pragma GCC diagnostic push
2102#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2103            gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2104#pragma GCC diagnostic pop
2105            vc->gfx.dcl.ops = &dcl_egl_ops;
2106            vc->gfx.dgc.ops = &egl_ctx_ops;
2107            vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2108#else
2109            abort();
2110#endif
2111        }
2112    } else
2113#endif
2114    {
2115        vc->gfx.drawing_area = gtk_drawing_area_new();
2116        vc->gfx.dcl.ops = &dcl_ops;
2117    }
2118
2119
2120    gtk_widget_add_events(vc->gfx.drawing_area,
2121                          GDK_POINTER_MOTION_MASK |
2122                          GDK_BUTTON_PRESS_MASK |
2123                          GDK_BUTTON_RELEASE_MASK |
2124                          GDK_BUTTON_MOTION_MASK |
2125                          GDK_ENTER_NOTIFY_MASK |
2126                          GDK_LEAVE_NOTIFY_MASK |
2127                          GDK_SCROLL_MASK |
2128                          GDK_SMOOTH_SCROLL_MASK |
2129                          GDK_KEY_PRESS_MASK);
2130    gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2131
2132    vc->type = GD_VC_GFX;
2133    vc->tab_item = vc->gfx.drawing_area;
2134    vc->focus = vc->gfx.drawing_area;
2135    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2136                             vc->tab_item, gtk_label_new(vc->label));
2137
2138    vc->gfx.kbd = qkbd_state_init(con);
2139    vc->gfx.dcl.con = con;
2140
2141    if (display_opengl) {
2142        qemu_console_set_display_gl_ctx(con, &vc->gfx.dgc);
2143    }
2144    register_displaychangelistener(&vc->gfx.dcl);
2145
2146    gd_connect_vc_gfx_signals(vc);
2147    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2148
2149    if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2150        zoom_to_fit = true;
2151    }
2152    if (s->opts->u.gtk.has_zoom_to_fit) {
2153        zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2154    }
2155    if (zoom_to_fit) {
2156        gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2157        s->free_scale = true;
2158    }
2159
2160    return group;
2161}
2162
2163static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2164{
2165    GSList *group = NULL;
2166    GtkWidget *view_menu;
2167    GtkWidget *separator;
2168    QemuConsole *con;
2169    int vc;
2170
2171    view_menu = gtk_menu_new();
2172    gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2173
2174    s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2175
2176#if defined(CONFIG_VTE)
2177    s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2178    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2179#endif
2180
2181    gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2182            g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2183    gtk_accel_label_set_accel(
2184            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2185            GDK_KEY_f, HOTKEY_MODIFIERS);
2186    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2187
2188    separator = gtk_separator_menu_item_new();
2189    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2190
2191    s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2192    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2193                                 "<QEMU>/View/Zoom In");
2194    gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2195                            HOTKEY_MODIFIERS);
2196    gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2197            g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2198    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2199
2200    s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2201    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2202                                 "<QEMU>/View/Zoom Out");
2203    gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2204                            HOTKEY_MODIFIERS);
2205    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2206
2207    s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2208    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2209                                 "<QEMU>/View/Zoom Fixed");
2210    gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2211                            HOTKEY_MODIFIERS);
2212    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2213
2214    s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2215    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2216
2217    separator = gtk_separator_menu_item_new();
2218    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2219
2220    s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2221    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2222
2223    s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2224    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2225                                 "<QEMU>/View/Grab Input");
2226    gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2227                            HOTKEY_MODIFIERS);
2228    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2229
2230    separator = gtk_separator_menu_item_new();
2231    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2232
2233    /* gfx */
2234    for (vc = 0;; vc++) {
2235        con = qemu_console_lookup_by_index(vc);
2236        if (!con) {
2237            break;
2238        }
2239        group = gd_vc_gfx_init(s, &s->vc[vc], con,
2240                               vc, group, view_menu);
2241        s->nb_vcs++;
2242    }
2243
2244#if defined(CONFIG_VTE)
2245    /* vte */
2246    gd_vcs_init(s, group, view_menu);
2247#endif
2248
2249    separator = gtk_separator_menu_item_new();
2250    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2251
2252    s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2253    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2254
2255    s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2256    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2257
2258    s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2259            _("Show Menubar"));
2260    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2261                                   TRUE);
2262    gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2263            g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2264    gtk_accel_label_set_accel(
2265            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2266            GDK_KEY_m, HOTKEY_MODIFIERS);
2267    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2268
2269    return view_menu;
2270}
2271
2272static void gd_create_menus(GtkDisplayState *s)
2273{
2274    GtkSettings *settings;
2275
2276    s->accel_group = gtk_accel_group_new();
2277    s->machine_menu = gd_create_menu_machine(s);
2278    s->view_menu = gd_create_menu_view(s);
2279
2280    s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2281    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2282                              s->machine_menu);
2283    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2284
2285    s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2286    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2287    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2288
2289    g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2290    gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2291
2292    /* Disable the default "F10" menu shortcut. */
2293    settings = gtk_widget_get_settings(s->window);
2294    g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2295}
2296
2297
2298static gboolean gtkinit;
2299
2300static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2301{
2302    VirtualConsole *vc;
2303
2304    GtkDisplayState *s = g_malloc0(sizeof(*s));
2305    GdkDisplay *window_display;
2306    GtkIconTheme *theme;
2307    char *dir;
2308
2309    if (!gtkinit) {
2310        fprintf(stderr, "gtk initialization failed\n");
2311        exit(1);
2312    }
2313    assert(opts->type == DISPLAY_TYPE_GTK);
2314    s->opts = opts;
2315
2316    theme = gtk_icon_theme_get_default();
2317    dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2318    gtk_icon_theme_prepend_search_path(theme, dir);
2319    g_free(dir);
2320    g_set_prgname("qemu");
2321
2322    s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2323    s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2324    s->notebook = gtk_notebook_new();
2325    s->menu_bar = gtk_menu_bar_new();
2326
2327    s->free_scale = FALSE;
2328
2329    /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2330     * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2331     * printable, but without changing any of the character classes to make
2332     * sure that we don't accidentally break implicit assumptions.  */
2333    setlocale(LC_MESSAGES, "");
2334    setlocale(LC_CTYPE, "C.UTF-8");
2335    dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2336    bindtextdomain("qemu", dir);
2337    g_free(dir);
2338    bind_textdomain_codeset("qemu", "UTF-8");
2339    textdomain("qemu");
2340
2341    window_display = gtk_widget_get_display(s->window);
2342    if (s->opts->has_show_cursor && s->opts->show_cursor) {
2343        s->null_cursor = NULL; /* default pointer */
2344    } else {
2345        s->null_cursor = gdk_cursor_new_for_display(window_display,
2346                                                    GDK_BLANK_CURSOR);
2347    }
2348
2349    s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2350    qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2351    qemu_add_vm_change_state_handler(gd_change_runstate, s);
2352
2353    gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2354
2355    gd_create_menus(s);
2356
2357    gd_connect_signals(s);
2358
2359    gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2360    gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2361
2362    gd_update_caption(s);
2363
2364    gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2365    gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2366
2367    gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2368
2369    gtk_widget_show_all(s->window);
2370
2371    vc = gd_vc_find_current(s);
2372    gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2373#ifdef CONFIG_VTE
2374    gtk_widget_set_sensitive(s->copy_item,
2375                             vc && vc->type == GD_VC_VTE);
2376#endif
2377
2378    if (opts->has_full_screen &&
2379        opts->full_screen) {
2380        gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2381    }
2382    if (opts->u.gtk.has_grab_on_hover &&
2383        opts->u.gtk.grab_on_hover) {
2384        gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2385    }
2386    gd_clipboard_init(s);
2387}
2388
2389static void early_gtk_display_init(DisplayOptions *opts)
2390{
2391    /* The QEMU code relies on the assumption that it's always run in
2392     * the C locale. Therefore it is not prepared to deal with
2393     * operations that produce different results depending on the
2394     * locale, such as printf's formatting of decimal numbers, and
2395     * possibly others.
2396     *
2397     * Since GTK+ calls setlocale() by default -importing the locale
2398     * settings from the environment- we must prevent it from doing so
2399     * using gtk_disable_setlocale().
2400     *
2401     * QEMU's GTK+ UI, however, _does_ have translations for some of
2402     * the menu items. As a trade-off between a functionally correct
2403     * QEMU and a fully internationalized UI we support importing
2404     * LC_MESSAGES from the environment (see the setlocale() call
2405     * earlier in this file). This allows us to display translated
2406     * messages leaving everything else untouched.
2407     */
2408    gtk_disable_setlocale();
2409    gtkinit = gtk_init_check(NULL, NULL);
2410    if (!gtkinit) {
2411        /* don't exit yet, that'll break -help */
2412        return;
2413    }
2414
2415    assert(opts->type == DISPLAY_TYPE_GTK);
2416    if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2417#if defined(CONFIG_OPENGL)
2418#if defined(GDK_WINDOWING_WAYLAND)
2419        if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2420            gtk_use_gl_area = true;
2421            gtk_gl_area_init();
2422        } else
2423#endif
2424        {
2425#ifdef CONFIG_X11
2426            DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2427            gtk_egl_init(mode);
2428#endif
2429        }
2430#endif
2431    }
2432
2433    keycode_map = gd_get_keymap(&keycode_maplen);
2434
2435#if defined(CONFIG_VTE)
2436    type_register(&char_gd_vc_type_info);
2437#endif
2438}
2439
2440static QemuDisplay qemu_display_gtk = {
2441    .type       = DISPLAY_TYPE_GTK,
2442    .early_init = early_gtk_display_init,
2443    .init       = gtk_display_init,
2444};
2445
2446static void register_gtk(void)
2447{
2448    qemu_display_register(&qemu_display_gtk);
2449}
2450
2451type_init(register_gtk);
2452
2453#ifdef CONFIG_OPENGL
2454module_dep("ui-opengl");
2455#endif
2456