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-misc.h"
  37#include "qemu/cutils.h"
  38
  39#include "ui/console.h"
  40#include "ui/gtk.h"
  41
  42#include <glib/gi18n.h>
  43#include <locale.h>
  44#if defined(CONFIG_VTE)
  45#include <vte/vte.h>
  46#endif
  47#include <math.h>
  48
  49#include "trace.h"
  50#include "ui/input.h"
  51#include "sysemu/runstate.h"
  52#include "sysemu/sysemu.h"
  53#include "keymaps.h"
  54#include "chardev/char.h"
  55#include "qom/object.h"
  56
  57#define MAX_VCS 10
  58#define VC_WINDOW_X_MIN  320
  59#define VC_WINDOW_Y_MIN  240
  60#define VC_TERM_X_MIN     80
  61#define VC_TERM_Y_MIN     25
  62#define VC_SCALE_MIN    0.25
  63#define VC_SCALE_STEP   0.25
  64
  65#ifdef GDK_WINDOWING_X11
  66#include "x_keymap.h"
  67
  68/* Gtk2 compat */
  69#ifndef GDK_IS_X11_DISPLAY
  70#define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
  71#endif
  72#endif
  73
  74
  75#ifdef GDK_WINDOWING_WAYLAND
  76/* Gtk2 compat */
  77#ifndef GDK_IS_WAYLAND_DISPLAY
  78#define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
  79#endif
  80#endif
  81
  82
  83#ifdef GDK_WINDOWING_WIN32
  84/* Gtk2 compat */
  85#ifndef GDK_IS_WIN32_DISPLAY
  86#define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
  87#endif
  88#endif
  89
  90
  91#ifdef GDK_WINDOWING_BROADWAY
  92/* Gtk2 compat */
  93#ifndef GDK_IS_BROADWAY_DISPLAY
  94#define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
  95#endif
  96#endif
  97
  98
  99#ifdef GDK_WINDOWING_QUARTZ
 100/* Gtk2 compat */
 101#ifndef GDK_IS_QUARTZ_DISPLAY
 102#define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
 103#endif
 104#endif
 105
 106
 107#if !defined(CONFIG_VTE)
 108# define VTE_CHECK_VERSION(a, b, c) 0
 109#endif
 110
 111/* Some older mingw versions lack this constant or have
 112 * it conditionally defined */
 113#ifdef _WIN32
 114# ifndef MAPVK_VK_TO_VSC
 115#  define MAPVK_VK_TO_VSC 0
 116# endif
 117#endif
 118
 119
 120#define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 121
 122static const guint16 *keycode_map;
 123static size_t keycode_maplen;
 124
 125struct GtkDisplayState {
 126    GtkWidget *window;
 127
 128    GtkWidget *menu_bar;
 129
 130    GtkAccelGroup *accel_group;
 131
 132    GtkWidget *machine_menu_item;
 133    GtkWidget *machine_menu;
 134    GtkWidget *pause_item;
 135    GtkWidget *reset_item;
 136    GtkWidget *powerdown_item;
 137    GtkWidget *quit_item;
 138
 139    GtkWidget *view_menu_item;
 140    GtkWidget *view_menu;
 141    GtkWidget *full_screen_item;
 142    GtkWidget *copy_item;
 143    GtkWidget *zoom_in_item;
 144    GtkWidget *zoom_out_item;
 145    GtkWidget *zoom_fixed_item;
 146    GtkWidget *zoom_fit_item;
 147    GtkWidget *grab_item;
 148    GtkWidget *grab_on_hover_item;
 149
 150    int nb_vcs;
 151    VirtualConsole vc[MAX_VCS];
 152
 153    GtkWidget *show_tabs_item;
 154    GtkWidget *untabify_item;
 155    GtkWidget *show_menubar_item;
 156
 157    GtkWidget *vbox;
 158    GtkWidget *notebook;
 159    int button_mask;
 160    gboolean last_set;
 161    int last_x;
 162    int last_y;
 163    int grab_x_root;
 164    int grab_y_root;
 165    VirtualConsole *kbd_owner;
 166    VirtualConsole *ptr_owner;
 167
 168    gboolean full_screen;
 169
 170    GdkCursor *null_cursor;
 171    Notifier mouse_mode_notifier;
 172    gboolean free_scale;
 173
 174    bool external_pause_update;
 175
 176    bool ignore_keys;
 177
 178    DisplayOptions *opts;
 179};
 180
 181typedef struct VCChardev {
 182    Chardev parent;
 183    VirtualConsole *console;
 184    bool echo;
 185} VCChardev;
 186
 187#define TYPE_CHARDEV_VC "chardev-vc"
 188#define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
 189
 190bool gtk_use_gl_area;
 191
 192static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 193static void gd_ungrab_pointer(GtkDisplayState *s);
 194static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 195static void gd_ungrab_keyboard(GtkDisplayState *s);
 196
 197/** Utility Functions **/
 198
 199static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 200{
 201    VirtualConsole *vc;
 202    gint i;
 203
 204    for (i = 0; i < s->nb_vcs; i++) {
 205        vc = &s->vc[i];
 206        if (gtk_check_menu_item_get_active
 207            (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 208            return vc;
 209        }
 210    }
 211    return NULL;
 212}
 213
 214static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 215{
 216    VirtualConsole *vc;
 217    gint i, p;
 218
 219    for (i = 0; i < s->nb_vcs; i++) {
 220        vc = &s->vc[i];
 221        p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 222        if (p == page) {
 223            return vc;
 224        }
 225    }
 226    return NULL;
 227}
 228
 229static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 230{
 231    gint page;
 232
 233    page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 234    return gd_vc_find_by_page(s, page);
 235}
 236
 237static bool gd_is_grab_active(GtkDisplayState *s)
 238{
 239    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 240}
 241
 242static bool gd_grab_on_hover(GtkDisplayState *s)
 243{
 244    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 245}
 246
 247static void gd_update_cursor(VirtualConsole *vc)
 248{
 249    GtkDisplayState *s = vc->s;
 250    GdkWindow *window;
 251
 252    if (vc->type != GD_VC_GFX ||
 253        !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 254        return;
 255    }
 256
 257    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 258        return;
 259    }
 260
 261    window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 262    if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 263        gdk_window_set_cursor(window, s->null_cursor);
 264    } else {
 265        gdk_window_set_cursor(window, NULL);
 266    }
 267}
 268
 269static void gd_update_caption(GtkDisplayState *s)
 270{
 271    const char *status = "";
 272    gchar *prefix;
 273    gchar *title;
 274    const char *grab = "";
 275    bool is_paused = !runstate_is_running();
 276    int i;
 277
 278    if (qemu_name) {
 279        prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 280    } else {
 281        prefix = g_strdup_printf("QEMU");
 282    }
 283
 284    if (s->ptr_owner != NULL &&
 285        s->ptr_owner->window == NULL) {
 286        grab = _(" - Press Ctrl+Alt+G to release grab");
 287    }
 288
 289    if (is_paused) {
 290        status = _(" [Paused]");
 291    }
 292    s->external_pause_update = true;
 293    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 294                                   is_paused);
 295    s->external_pause_update = false;
 296
 297    title = g_strdup_printf("%s%s%s", prefix, status, grab);
 298    gtk_window_set_title(GTK_WINDOW(s->window), title);
 299    g_free(title);
 300
 301    for (i = 0; i < s->nb_vcs; i++) {
 302        VirtualConsole *vc = &s->vc[i];
 303
 304        if (!vc->window) {
 305            continue;
 306        }
 307        title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 308                                vc == s->kbd_owner ? " +kbd" : "",
 309                                vc == s->ptr_owner ? " +ptr" : "");
 310        gtk_window_set_title(GTK_WINDOW(vc->window), title);
 311        g_free(title);
 312    }
 313
 314    g_free(prefix);
 315}
 316
 317static void gd_update_geometry_hints(VirtualConsole *vc)
 318{
 319    GtkDisplayState *s = vc->s;
 320    GdkWindowHints mask = 0;
 321    GdkGeometry geo = {};
 322    GtkWidget *geo_widget = NULL;
 323    GtkWindow *geo_window;
 324
 325    if (vc->type == GD_VC_GFX) {
 326        if (!vc->gfx.ds) {
 327            return;
 328        }
 329        if (s->free_scale) {
 330            geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 331            geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 332            mask |= GDK_HINT_MIN_SIZE;
 333        } else {
 334            geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 335            geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 336            mask |= GDK_HINT_MIN_SIZE;
 337        }
 338        geo_widget = vc->gfx.drawing_area;
 339        gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 340
 341#if defined(CONFIG_VTE)
 342    } else if (vc->type == GD_VC_VTE) {
 343        VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 344        GtkBorder padding = { 0 };
 345
 346#if VTE_CHECK_VERSION(0, 37, 0)
 347        gtk_style_context_get_padding(
 348                gtk_widget_get_style_context(vc->vte.terminal),
 349                gtk_widget_get_state_flags(vc->vte.terminal),
 350                &padding);
 351#else
 352        {
 353            GtkBorder *ib = NULL;
 354            gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 355            if (ib) {
 356                padding = *ib;
 357                gtk_border_free(ib);
 358            }
 359        }
 360#endif
 361
 362        geo.width_inc  = vte_terminal_get_char_width(term);
 363        geo.height_inc = vte_terminal_get_char_height(term);
 364        mask |= GDK_HINT_RESIZE_INC;
 365        geo.base_width  = geo.width_inc;
 366        geo.base_height = geo.height_inc;
 367        mask |= GDK_HINT_BASE_SIZE;
 368        geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 369        geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 370        mask |= GDK_HINT_MIN_SIZE;
 371
 372        geo.base_width  += padding.left + padding.right;
 373        geo.base_height += padding.top + padding.bottom;
 374        geo.min_width   += padding.left + padding.right;
 375        geo.min_height  += padding.top + padding.bottom;
 376        geo_widget = vc->vte.terminal;
 377#endif
 378    }
 379
 380    geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 381    gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 382}
 383
 384void gd_update_windowsize(VirtualConsole *vc)
 385{
 386    GtkDisplayState *s = vc->s;
 387
 388    gd_update_geometry_hints(vc);
 389
 390    if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 391        gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 392                          VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 393    }
 394}
 395
 396static void gd_update_full_redraw(VirtualConsole *vc)
 397{
 398    GtkWidget *area = vc->gfx.drawing_area;
 399    int ww, wh;
 400    ww = gdk_window_get_width(gtk_widget_get_window(area));
 401    wh = gdk_window_get_height(gtk_widget_get_window(area));
 402#if defined(CONFIG_GTK_GL)
 403    if (vc->gfx.gls && gtk_use_gl_area) {
 404        gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 405        return;
 406    }
 407#endif
 408    gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 409}
 410
 411static void gtk_release_modifiers(GtkDisplayState *s)
 412{
 413    VirtualConsole *vc = gd_vc_find_current(s);
 414
 415    if (vc->type != GD_VC_GFX ||
 416        !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 417        return;
 418    }
 419    qkbd_state_lift_all_keys(vc->gfx.kbd);
 420}
 421
 422static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 423                               GtkWidget *widget)
 424{
 425    g_object_ref(G_OBJECT(widget));
 426    gtk_container_remove(GTK_CONTAINER(from), widget);
 427    gtk_container_add(GTK_CONTAINER(to), widget);
 428    g_object_unref(G_OBJECT(widget));
 429}
 430
 431/** DisplayState Callbacks **/
 432
 433static void gd_update(DisplayChangeListener *dcl,
 434                      int x, int y, int w, int h)
 435{
 436    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 437    GdkWindow *win;
 438    int x1, x2, y1, y2;
 439    int mx, my;
 440    int fbw, fbh;
 441    int ww, wh;
 442
 443    trace_gd_update(vc->label, x, y, w, h);
 444
 445    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 446        return;
 447    }
 448
 449    if (vc->gfx.convert) {
 450        pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 451                               NULL, vc->gfx.convert,
 452                               x, y, 0, 0, x, y, w, h);
 453    }
 454
 455    x1 = floor(x * vc->gfx.scale_x);
 456    y1 = floor(y * vc->gfx.scale_y);
 457
 458    x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 459    y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 460
 461    fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 462    fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 463
 464    win = gtk_widget_get_window(vc->gfx.drawing_area);
 465    if (!win) {
 466        return;
 467    }
 468    ww = gdk_window_get_width(win);
 469    wh = gdk_window_get_height(win);
 470
 471    mx = my = 0;
 472    if (ww > fbw) {
 473        mx = (ww - fbw) / 2;
 474    }
 475    if (wh > fbh) {
 476        my = (wh - fbh) / 2;
 477    }
 478
 479    gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 480                               mx + x1, my + y1, (x2 - x1), (y2 - y1));
 481}
 482
 483static void gd_refresh(DisplayChangeListener *dcl)
 484{
 485    graphic_hw_update(dcl->con);
 486}
 487
 488static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
 489{
 490#if GTK_CHECK_VERSION(3, 20, 0)
 491    return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
 492#else
 493    return gdk_device_manager_get_client_pointer(
 494        gdk_display_get_device_manager(dpy));
 495#endif
 496}
 497
 498static void gd_mouse_set(DisplayChangeListener *dcl,
 499                         int x, int y, int visible)
 500{
 501    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 502    GdkDisplay *dpy;
 503    gint x_root, y_root;
 504
 505    if (qemu_input_is_absolute()) {
 506        return;
 507    }
 508
 509    dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 510    gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 511                               x, y, &x_root, &y_root);
 512    gdk_device_warp(gd_get_pointer(dpy),
 513                    gtk_widget_get_screen(vc->gfx.drawing_area),
 514                    x_root, y_root);
 515    vc->s->last_x = x;
 516    vc->s->last_y = y;
 517}
 518
 519static void gd_cursor_define(DisplayChangeListener *dcl,
 520                             QEMUCursor *c)
 521{
 522    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 523    GdkPixbuf *pixbuf;
 524    GdkCursor *cursor;
 525
 526    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 527        return;
 528    }
 529
 530    pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 531                                      GDK_COLORSPACE_RGB, true, 8,
 532                                      c->width, c->height, c->width * 4,
 533                                      NULL, NULL);
 534    cursor = gdk_cursor_new_from_pixbuf
 535        (gtk_widget_get_display(vc->gfx.drawing_area),
 536         pixbuf, c->hot_x, c->hot_y);
 537    gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 538    g_object_unref(pixbuf);
 539    g_object_unref(cursor);
 540}
 541
 542static void gd_switch(DisplayChangeListener *dcl,
 543                      DisplaySurface *surface)
 544{
 545    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 546    bool resized = true;
 547
 548    trace_gd_switch(vc->label,
 549                    surface ? surface_width(surface)  : 0,
 550                    surface ? surface_height(surface) : 0);
 551
 552    if (vc->gfx.surface) {
 553        cairo_surface_destroy(vc->gfx.surface);
 554        vc->gfx.surface = NULL;
 555    }
 556    if (vc->gfx.convert) {
 557        pixman_image_unref(vc->gfx.convert);
 558        vc->gfx.convert = NULL;
 559    }
 560
 561    if (vc->gfx.ds && surface &&
 562        surface_width(vc->gfx.ds) == surface_width(surface) &&
 563        surface_height(vc->gfx.ds) == surface_height(surface)) {
 564        resized = false;
 565    }
 566    vc->gfx.ds = surface;
 567
 568    if (!surface) {
 569        return;
 570    }
 571
 572    if (surface->format == PIXMAN_x8r8g8b8) {
 573        /*
 574         * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 575         *
 576         * No need to convert, use surface directly.  Should be the
 577         * common case as this is qemu_default_pixelformat(32) too.
 578         */
 579        vc->gfx.surface = cairo_image_surface_create_for_data
 580            (surface_data(surface),
 581             CAIRO_FORMAT_RGB24,
 582             surface_width(surface),
 583             surface_height(surface),
 584             surface_stride(surface));
 585    } else {
 586        /* Must convert surface, use pixman to do it. */
 587        vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 588                                                   surface_width(surface),
 589                                                   surface_height(surface),
 590                                                   NULL, 0);
 591        vc->gfx.surface = cairo_image_surface_create_for_data
 592            ((void *)pixman_image_get_data(vc->gfx.convert),
 593             CAIRO_FORMAT_RGB24,
 594             pixman_image_get_width(vc->gfx.convert),
 595             pixman_image_get_height(vc->gfx.convert),
 596             pixman_image_get_stride(vc->gfx.convert));
 597        pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 598                               NULL, vc->gfx.convert,
 599                               0, 0, 0, 0, 0, 0,
 600                               pixman_image_get_width(vc->gfx.convert),
 601                               pixman_image_get_height(vc->gfx.convert));
 602    }
 603
 604    if (resized) {
 605        gd_update_windowsize(vc);
 606    } else {
 607        gd_update_full_redraw(vc);
 608    }
 609}
 610
 611static const DisplayChangeListenerOps dcl_ops = {
 612    .dpy_name             = "gtk",
 613    .dpy_gfx_update       = gd_update,
 614    .dpy_gfx_switch       = gd_switch,
 615    .dpy_gfx_check_format = qemu_pixman_check_format,
 616    .dpy_refresh          = gd_refresh,
 617    .dpy_mouse_set        = gd_mouse_set,
 618    .dpy_cursor_define    = gd_cursor_define,
 619};
 620
 621
 622#if defined(CONFIG_OPENGL)
 623
 624/** DisplayState Callbacks (opengl version) **/
 625
 626#if defined(CONFIG_GTK_GL)
 627
 628static const DisplayChangeListenerOps dcl_gl_area_ops = {
 629    .dpy_name             = "gtk-egl",
 630    .dpy_gfx_update       = gd_gl_area_update,
 631    .dpy_gfx_switch       = gd_gl_area_switch,
 632    .dpy_gfx_check_format = console_gl_check_format,
 633    .dpy_refresh          = gd_gl_area_refresh,
 634    .dpy_mouse_set        = gd_mouse_set,
 635    .dpy_cursor_define    = gd_cursor_define,
 636
 637    .dpy_gl_ctx_create       = gd_gl_area_create_context,
 638    .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 639    .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 640    .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
 641    .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
 642    .dpy_gl_update           = gd_gl_area_scanout_flush,
 643};
 644
 645#endif /* CONFIG_GTK_GL */
 646
 647static const DisplayChangeListenerOps dcl_egl_ops = {
 648    .dpy_name             = "gtk-egl",
 649    .dpy_gfx_update       = gd_egl_update,
 650    .dpy_gfx_switch       = gd_egl_switch,
 651    .dpy_gfx_check_format = console_gl_check_format,
 652    .dpy_refresh          = gd_egl_refresh,
 653    .dpy_mouse_set        = gd_mouse_set,
 654    .dpy_cursor_define    = gd_cursor_define,
 655
 656    .dpy_gl_ctx_create       = gd_egl_create_context,
 657    .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 658    .dpy_gl_ctx_make_current = gd_egl_make_current,
 659    .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
 660    .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
 661    .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
 662    .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
 663    .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
 664    .dpy_gl_cursor_position  = gd_egl_cursor_position,
 665    .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
 666    .dpy_gl_update           = gd_egl_scanout_flush,
 667};
 668
 669#endif /* CONFIG_OPENGL */
 670
 671/** QEMU Events **/
 672
 673static void gd_change_runstate(void *opaque, int running, RunState state)
 674{
 675    GtkDisplayState *s = opaque;
 676
 677    gd_update_caption(s);
 678}
 679
 680static void gd_mouse_mode_change(Notifier *notify, void *data)
 681{
 682    GtkDisplayState *s;
 683    int i;
 684
 685    s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 686    /* release the grab at switching to absolute mode */
 687    if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 688        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 689                                       FALSE);
 690    }
 691    for (i = 0; i < s->nb_vcs; i++) {
 692        VirtualConsole *vc = &s->vc[i];
 693        gd_update_cursor(vc);
 694    }
 695}
 696
 697/** GTK Events **/
 698
 699static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 700                                void *opaque)
 701{
 702    GtkDisplayState *s = opaque;
 703    bool allow_close = true;
 704
 705    if (s->opts->has_window_close && !s->opts->window_close) {
 706        allow_close = false;
 707    }
 708
 709    if (allow_close) {
 710        qmp_quit(NULL);
 711    }
 712
 713    return TRUE;
 714}
 715
 716static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 717{
 718    QemuUIInfo info;
 719
 720    memset(&info, 0, sizeof(info));
 721    info.width = width;
 722    info.height = height;
 723    dpy_set_ui_info(vc->gfx.dcl.con, &info);
 724}
 725
 726#if defined(CONFIG_GTK_GL)
 727
 728static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 729                                void *opaque)
 730{
 731    VirtualConsole *vc = opaque;
 732
 733    if (vc->gfx.gls) {
 734        gd_gl_area_draw(vc);
 735    }
 736    return TRUE;
 737}
 738
 739static void gd_resize_event(GtkGLArea *area,
 740                            gint width, gint height, gpointer *opaque)
 741{
 742    VirtualConsole *vc = (void *)opaque;
 743
 744    gd_set_ui_info(vc, width, height);
 745}
 746
 747#endif
 748
 749static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 750{
 751    VirtualConsole *vc = opaque;
 752    GtkDisplayState *s = vc->s;
 753    int mx, my;
 754    int ww, wh;
 755    int fbw, fbh;
 756
 757#if defined(CONFIG_OPENGL)
 758    if (vc->gfx.gls) {
 759        if (gtk_use_gl_area) {
 760            /* invoke render callback please */
 761            return FALSE;
 762        } else {
 763            gd_egl_draw(vc);
 764            return TRUE;
 765        }
 766    }
 767#endif
 768
 769    if (!gtk_widget_get_realized(widget)) {
 770        return FALSE;
 771    }
 772    if (!vc->gfx.ds) {
 773        return FALSE;
 774    }
 775
 776    fbw = surface_width(vc->gfx.ds);
 777    fbh = surface_height(vc->gfx.ds);
 778
 779    ww = gdk_window_get_width(gtk_widget_get_window(widget));
 780    wh = gdk_window_get_height(gtk_widget_get_window(widget));
 781
 782    if (s->full_screen) {
 783        vc->gfx.scale_x = (double)ww / fbw;
 784        vc->gfx.scale_y = (double)wh / fbh;
 785    } else if (s->free_scale) {
 786        double sx, sy;
 787
 788        sx = (double)ww / fbw;
 789        sy = (double)wh / fbh;
 790
 791        vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 792    }
 793
 794    fbw *= vc->gfx.scale_x;
 795    fbh *= vc->gfx.scale_y;
 796
 797    mx = my = 0;
 798    if (ww > fbw) {
 799        mx = (ww - fbw) / 2;
 800    }
 801    if (wh > fbh) {
 802        my = (wh - fbh) / 2;
 803    }
 804
 805    cairo_rectangle(cr, 0, 0, ww, wh);
 806
 807    /* Optionally cut out the inner area where the pixmap
 808       will be drawn. This avoids 'flashing' since we're
 809       not double-buffering. Note we're using the undocumented
 810       behaviour of drawing the rectangle from right to left
 811       to cut out the whole */
 812    cairo_rectangle(cr, mx + fbw, my,
 813                    -1 * fbw, fbh);
 814    cairo_fill(cr);
 815
 816    cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 817    cairo_set_source_surface(cr, vc->gfx.surface,
 818                             mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 819    cairo_paint(cr);
 820
 821    return TRUE;
 822}
 823
 824static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 825                                void *opaque)
 826{
 827    VirtualConsole *vc = opaque;
 828    GtkDisplayState *s = vc->s;
 829    int x, y;
 830    int mx, my;
 831    int fbh, fbw;
 832    int ww, wh;
 833
 834    if (!vc->gfx.ds) {
 835        return TRUE;
 836    }
 837
 838    fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 839    fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 840
 841    ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
 842    wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
 843
 844    mx = my = 0;
 845    if (ww > fbw) {
 846        mx = (ww - fbw) / 2;
 847    }
 848    if (wh > fbh) {
 849        my = (wh - fbh) / 2;
 850    }
 851
 852    x = (motion->x - mx) / vc->gfx.scale_x;
 853    y = (motion->y - my) / vc->gfx.scale_y;
 854
 855    if (qemu_input_is_absolute()) {
 856        if (x < 0 || y < 0 ||
 857            x >= surface_width(vc->gfx.ds) ||
 858            y >= surface_height(vc->gfx.ds)) {
 859            return TRUE;
 860        }
 861        qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 862                             0, surface_width(vc->gfx.ds));
 863        qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 864                             0, surface_height(vc->gfx.ds));
 865        qemu_input_event_sync();
 866    } else if (s->last_set && s->ptr_owner == vc) {
 867        qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 868        qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 869        qemu_input_event_sync();
 870    }
 871    s->last_x = x;
 872    s->last_y = y;
 873    s->last_set = TRUE;
 874
 875    if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 876        GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 877        int screen_width, screen_height;
 878
 879        int x = (int)motion->x_root;
 880        int y = (int)motion->y_root;
 881
 882#if GTK_CHECK_VERSION(3, 22, 0)
 883        {
 884            GdkDisplay *dpy = gtk_widget_get_display(widget);
 885            GdkWindow *win = gtk_widget_get_window(widget);
 886            GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 887            GdkRectangle geometry;
 888            gdk_monitor_get_geometry(monitor, &geometry);
 889            screen_width = geometry.width;
 890            screen_height = geometry.height;
 891        }
 892#else
 893        {
 894            screen_width = gdk_screen_get_width(screen);
 895            screen_height = gdk_screen_get_height(screen);
 896        }
 897#endif
 898
 899        /* In relative mode check to see if client pointer hit
 900         * one of the screen edges, and if so move it back by
 901         * 200 pixels. This is important because the pointer
 902         * in the server doesn't correspond 1-for-1, and so
 903         * may still be only half way across the screen. Without
 904         * this warp, the server pointer would thus appear to hit
 905         * an invisible wall */
 906        if (x == 0) {
 907            x += 200;
 908        }
 909        if (y == 0) {
 910            y += 200;
 911        }
 912        if (x == (screen_width - 1)) {
 913            x -= 200;
 914        }
 915        if (y == (screen_height - 1)) {
 916            y -= 200;
 917        }
 918
 919        if (x != (int)motion->x_root || y != (int)motion->y_root) {
 920            GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 921            gdk_device_warp(dev, screen, x, y);
 922            s->last_set = FALSE;
 923            return FALSE;
 924        }
 925    }
 926    return TRUE;
 927}
 928
 929static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 930                                void *opaque)
 931{
 932    VirtualConsole *vc = opaque;
 933    GtkDisplayState *s = vc->s;
 934    InputButton btn;
 935
 936    /* implicitly grab the input at the first click in the relative mode */
 937    if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 938        !qemu_input_is_absolute() && s->ptr_owner != vc) {
 939        if (!vc->window) {
 940            gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 941                                           TRUE);
 942        } else {
 943            gd_grab_pointer(vc, "relative-mode-click");
 944        }
 945        return TRUE;
 946    }
 947
 948    if (button->button == 1) {
 949        btn = INPUT_BUTTON_LEFT;
 950    } else if (button->button == 2) {
 951        btn = INPUT_BUTTON_MIDDLE;
 952    } else if (button->button == 3) {
 953        btn = INPUT_BUTTON_RIGHT;
 954    } else if (button->button == 8) {
 955        btn = INPUT_BUTTON_SIDE;
 956    } else if (button->button == 9) {
 957        btn = INPUT_BUTTON_EXTRA;
 958    } else {
 959        return TRUE;
 960    }
 961
 962    qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 963                         button->type == GDK_BUTTON_PRESS);
 964    qemu_input_event_sync();
 965    return TRUE;
 966}
 967
 968static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 969                                void *opaque)
 970{
 971    VirtualConsole *vc = opaque;
 972    InputButton btn;
 973
 974    if (scroll->direction == GDK_SCROLL_UP) {
 975        btn = INPUT_BUTTON_WHEEL_UP;
 976    } else if (scroll->direction == GDK_SCROLL_DOWN) {
 977        btn = INPUT_BUTTON_WHEEL_DOWN;
 978    } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
 979        gdouble delta_x, delta_y;
 980        if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
 981                                         &delta_x, &delta_y)) {
 982            return TRUE;
 983        }
 984        if (delta_y == 0) {
 985            return TRUE;
 986        } else if (delta_y > 0) {
 987            btn = INPUT_BUTTON_WHEEL_DOWN;
 988        } else {
 989            btn = INPUT_BUTTON_WHEEL_UP;
 990        }
 991    } else {
 992        return TRUE;
 993    }
 994
 995    qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
 996    qemu_input_event_sync();
 997    qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
 998    qemu_input_event_sync();
 999    return TRUE;
1000}
1001
1002
1003static const guint16 *gd_get_keymap(size_t *maplen)
1004{
1005    GdkDisplay *dpy = gdk_display_get_default();
1006
1007#ifdef GDK_WINDOWING_X11
1008    if (GDK_IS_X11_DISPLAY(dpy)) {
1009        trace_gd_keymap_windowing("x11");
1010        return qemu_xkeymap_mapping_table(
1011            gdk_x11_display_get_xdisplay(dpy), maplen);
1012    }
1013#endif
1014
1015#ifdef GDK_WINDOWING_WAYLAND
1016    if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1017        trace_gd_keymap_windowing("wayland");
1018        *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1019        return qemu_input_map_xorgevdev_to_qcode;
1020    }
1021#endif
1022
1023#ifdef GDK_WINDOWING_WIN32
1024    if (GDK_IS_WIN32_DISPLAY(dpy)) {
1025        trace_gd_keymap_windowing("win32");
1026        *maplen = qemu_input_map_win32_to_qcode_len;
1027        return qemu_input_map_win32_to_qcode;
1028    }
1029#endif
1030
1031#ifdef GDK_WINDOWING_QUARTZ
1032    if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1033        trace_gd_keymap_windowing("quartz");
1034        *maplen = qemu_input_map_osx_to_qcode_len;
1035        return qemu_input_map_osx_to_qcode;
1036    }
1037#endif
1038
1039#ifdef GDK_WINDOWING_BROADWAY
1040    if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1041        trace_gd_keymap_windowing("broadway");
1042        g_warning("experimental: using broadway, x11 virtual keysym\n"
1043                  "mapping - with very limited support. See also\n"
1044                  "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1045        *maplen = qemu_input_map_x11_to_qcode_len;
1046        return qemu_input_map_x11_to_qcode;
1047    }
1048#endif
1049
1050    g_warning("Unsupported GDK Windowing platform.\n"
1051              "Disabling extended keycode tables.\n"
1052              "Please report to qemu-devel@nongnu.org\n"
1053              "including the following information:\n"
1054              "\n"
1055              "  - Operating system\n"
1056              "  - GDK Windowing system build\n");
1057    return NULL;
1058}
1059
1060
1061static int gd_map_keycode(int scancode)
1062{
1063    if (!keycode_map) {
1064        return 0;
1065    }
1066    if (scancode > keycode_maplen) {
1067        return 0;
1068    }
1069
1070    return keycode_map[scancode];
1071}
1072
1073static gboolean gd_text_key_down(GtkWidget *widget,
1074                                 GdkEventKey *key, void *opaque)
1075{
1076    VirtualConsole *vc = opaque;
1077    QemuConsole *con = vc->gfx.dcl.con;
1078
1079    if (key->keyval == GDK_KEY_Delete) {
1080        kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1081    } else if (key->length) {
1082        kbd_put_string_console(con, key->string, key->length);
1083    } else {
1084        int qcode = gd_map_keycode(key->hardware_keycode);
1085        kbd_put_qcode_console(con, qcode, false);
1086    }
1087    return TRUE;
1088}
1089
1090static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1091{
1092    VirtualConsole *vc = opaque;
1093    GtkDisplayState *s = vc->s;
1094    int qcode;
1095
1096    if (s->ignore_keys) {
1097        s->ignore_keys = (key->type == GDK_KEY_PRESS);
1098        return TRUE;
1099    }
1100
1101#ifdef WIN32
1102    /* on windows, we ought to ignore the reserved key event? */
1103    if (key->hardware_keycode == 0xff)
1104        return false;
1105#endif
1106
1107    if (key->keyval == GDK_KEY_Pause
1108#ifdef G_OS_WIN32
1109        /* for some reason GDK does not fill keyval for VK_PAUSE
1110         * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1111         */
1112        || key->hardware_keycode == VK_PAUSE
1113#endif
1114        ) {
1115        qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1116                             key->type == GDK_KEY_PRESS);
1117        return TRUE;
1118    }
1119
1120    qcode = gd_map_keycode(key->hardware_keycode);
1121
1122    trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1123                       (key->type == GDK_KEY_PRESS) ? "down" : "up");
1124
1125    qkbd_state_key_event(vc->gfx.kbd, qcode,
1126                         key->type == GDK_KEY_PRESS);
1127
1128    return TRUE;
1129}
1130
1131static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1132{
1133    if (event->type == GDK_MOTION_NOTIFY) {
1134        return gd_motion_event(widget, &event->motion, opaque);
1135    }
1136    return FALSE;
1137}
1138
1139/** Window Menu Actions **/
1140
1141static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1142{
1143    GtkDisplayState *s = opaque;
1144
1145    if (s->external_pause_update) {
1146        return;
1147    }
1148    if (runstate_is_running()) {
1149        qmp_stop(NULL);
1150    } else {
1151        qmp_cont(NULL);
1152    }
1153}
1154
1155static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1156{
1157    qmp_system_reset(NULL);
1158}
1159
1160static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1161{
1162    qmp_system_powerdown(NULL);
1163}
1164
1165static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1166{
1167    qmp_quit(NULL);
1168}
1169
1170static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1171{
1172    GtkDisplayState *s = opaque;
1173    VirtualConsole *vc = gd_vc_find_by_menu(s);
1174    GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1175    gint page;
1176
1177    gtk_release_modifiers(s);
1178    if (vc) {
1179        page = gtk_notebook_page_num(nb, vc->tab_item);
1180        gtk_notebook_set_current_page(nb, page);
1181        gtk_widget_grab_focus(vc->focus);
1182    }
1183    s->ignore_keys = false;
1184}
1185
1186static void gd_accel_switch_vc(void *opaque)
1187{
1188    VirtualConsole *vc = opaque;
1189
1190    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1191}
1192
1193static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1194{
1195    GtkDisplayState *s = opaque;
1196    VirtualConsole *vc = gd_vc_find_current(s);
1197
1198    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1199        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1200    } else {
1201        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1202    }
1203    gd_update_windowsize(vc);
1204}
1205
1206static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1207                                    void *opaque)
1208{
1209    VirtualConsole *vc = opaque;
1210    GtkDisplayState *s = vc->s;
1211
1212    gtk_widget_set_sensitive(vc->menu_item, true);
1213    gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1214    gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1215                                    vc->tab_item, vc->label);
1216    gtk_widget_destroy(vc->window);
1217    vc->window = NULL;
1218    return TRUE;
1219}
1220
1221static gboolean gd_win_grab(void *opaque)
1222{
1223    VirtualConsole *vc = opaque;
1224
1225    fprintf(stderr, "%s: %s\n", __func__, vc->label);
1226    if (vc->s->ptr_owner) {
1227        gd_ungrab_pointer(vc->s);
1228    } else {
1229        gd_grab_pointer(vc, "user-request-detached-tab");
1230    }
1231    return TRUE;
1232}
1233
1234static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1235{
1236    GtkDisplayState *s = opaque;
1237    VirtualConsole *vc = gd_vc_find_current(s);
1238
1239    if (vc->type == GD_VC_GFX &&
1240        qemu_console_is_graphic(vc->gfx.dcl.con)) {
1241        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1242                                       FALSE);
1243    }
1244    if (!vc->window) {
1245        gtk_widget_set_sensitive(vc->menu_item, false);
1246        vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1247        gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1248
1249        g_signal_connect(vc->window, "delete-event",
1250                         G_CALLBACK(gd_tab_window_close), vc);
1251        gtk_widget_show_all(vc->window);
1252
1253        if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1254            GtkAccelGroup *ag = gtk_accel_group_new();
1255            gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1256
1257            GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1258                                               vc, NULL);
1259            gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1260        }
1261
1262        gd_update_geometry_hints(vc);
1263        gd_update_caption(s);
1264    }
1265}
1266
1267static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1268{
1269    GtkDisplayState *s = opaque;
1270    VirtualConsole *vc = gd_vc_find_current(s);
1271
1272    if (s->full_screen) {
1273        return;
1274    }
1275
1276    if (gtk_check_menu_item_get_active(
1277                GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1278        gtk_widget_show(s->menu_bar);
1279    } else {
1280        gtk_widget_hide(s->menu_bar);
1281    }
1282    gd_update_windowsize(vc);
1283}
1284
1285static void gd_accel_show_menubar(void *opaque)
1286{
1287    GtkDisplayState *s = opaque;
1288    gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1289}
1290
1291static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1292{
1293    GtkDisplayState *s = opaque;
1294    VirtualConsole *vc = gd_vc_find_current(s);
1295
1296    if (!s->full_screen) {
1297        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1298        gtk_widget_hide(s->menu_bar);
1299        if (vc->type == GD_VC_GFX) {
1300            gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1301        }
1302        gtk_window_fullscreen(GTK_WINDOW(s->window));
1303        s->full_screen = TRUE;
1304    } else {
1305        gtk_window_unfullscreen(GTK_WINDOW(s->window));
1306        gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1307        if (gtk_check_menu_item_get_active(
1308                    GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1309            gtk_widget_show(s->menu_bar);
1310        }
1311        s->full_screen = FALSE;
1312        if (vc->type == GD_VC_GFX) {
1313            vc->gfx.scale_x = 1.0;
1314            vc->gfx.scale_y = 1.0;
1315            gd_update_windowsize(vc);
1316        }
1317    }
1318
1319    gd_update_cursor(vc);
1320}
1321
1322static void gd_accel_full_screen(void *opaque)
1323{
1324    GtkDisplayState *s = opaque;
1325    gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1326}
1327
1328static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1329{
1330    GtkDisplayState *s = opaque;
1331    VirtualConsole *vc = gd_vc_find_current(s);
1332
1333    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1334                                   FALSE);
1335
1336    vc->gfx.scale_x += VC_SCALE_STEP;
1337    vc->gfx.scale_y += VC_SCALE_STEP;
1338
1339    gd_update_windowsize(vc);
1340}
1341
1342static void gd_accel_zoom_in(void *opaque)
1343{
1344    GtkDisplayState *s = opaque;
1345    gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1346}
1347
1348static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1349{
1350    GtkDisplayState *s = opaque;
1351    VirtualConsole *vc = gd_vc_find_current(s);
1352
1353    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1354                                   FALSE);
1355
1356    vc->gfx.scale_x -= VC_SCALE_STEP;
1357    vc->gfx.scale_y -= VC_SCALE_STEP;
1358
1359    vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1360    vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1361
1362    gd_update_windowsize(vc);
1363}
1364
1365static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1366{
1367    GtkDisplayState *s = opaque;
1368    VirtualConsole *vc = gd_vc_find_current(s);
1369
1370    vc->gfx.scale_x = 1.0;
1371    vc->gfx.scale_y = 1.0;
1372
1373    gd_update_windowsize(vc);
1374}
1375
1376static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1377{
1378    GtkDisplayState *s = opaque;
1379    VirtualConsole *vc = gd_vc_find_current(s);
1380
1381    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1382        s->free_scale = TRUE;
1383    } else {
1384        s->free_scale = FALSE;
1385        vc->gfx.scale_x = 1.0;
1386        vc->gfx.scale_y = 1.0;
1387    }
1388
1389    gd_update_windowsize(vc);
1390    gd_update_full_redraw(vc);
1391}
1392
1393#if GTK_CHECK_VERSION(3, 20, 0)
1394static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1395{
1396    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1397    GdkSeat *seat = gdk_display_get_default_seat(display);
1398    GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1399    GdkSeatCapabilities caps = 0;
1400    GdkCursor *cursor = NULL;
1401
1402    if (kbd) {
1403        caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1404    }
1405    if (ptr) {
1406        caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1407        cursor = vc->s->null_cursor;
1408    }
1409
1410    if (caps) {
1411        gdk_seat_grab(seat, window, caps, false, cursor,
1412                      NULL, NULL, NULL);
1413    } else {
1414        gdk_seat_ungrab(seat);
1415    }
1416}
1417#else
1418static void gd_grab_devices(VirtualConsole *vc, bool grab,
1419                            GdkInputSource source, GdkEventMask mask,
1420                            GdkCursor *cursor)
1421{
1422    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1423    GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1424    GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1425    GList *tmp = devs;
1426
1427    for (tmp = devs; tmp; tmp = tmp->next) {
1428        GdkDevice *dev = tmp->data;
1429        if (gdk_device_get_source(dev) != source) {
1430            continue;
1431        }
1432        if (grab) {
1433            GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1434            gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1435                            mask, cursor, GDK_CURRENT_TIME);
1436        } else {
1437            gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1438        }
1439    }
1440    g_list_free(devs);
1441}
1442#endif
1443
1444static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1445{
1446    if (vc->s->kbd_owner) {
1447        if (vc->s->kbd_owner == vc) {
1448            return;
1449        } else {
1450            gd_ungrab_keyboard(vc->s);
1451        }
1452    }
1453
1454#if GTK_CHECK_VERSION(3, 20, 0)
1455    gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1456#else
1457    gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1458                   GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1459                   NULL);
1460#endif
1461    vc->s->kbd_owner = vc;
1462    gd_update_caption(vc->s);
1463    trace_gd_grab(vc->label, "kbd", reason);
1464}
1465
1466static void gd_ungrab_keyboard(GtkDisplayState *s)
1467{
1468    VirtualConsole *vc = s->kbd_owner;
1469
1470    if (vc == NULL) {
1471        return;
1472    }
1473    s->kbd_owner = NULL;
1474
1475#if GTK_CHECK_VERSION(3, 20, 0)
1476    gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1477#else
1478    gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1479#endif
1480    gd_update_caption(s);
1481    trace_gd_ungrab(vc->label, "kbd");
1482}
1483
1484static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1485{
1486    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1487
1488    if (vc->s->ptr_owner) {
1489        if (vc->s->ptr_owner == vc) {
1490            return;
1491        } else {
1492            gd_ungrab_pointer(vc->s);
1493        }
1494    }
1495
1496#if GTK_CHECK_VERSION(3, 20, 0)
1497    gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1498    gdk_device_get_position(gd_get_pointer(display),
1499                            NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1500#else
1501    gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1502                    GDK_POINTER_MOTION_MASK |
1503                    GDK_BUTTON_PRESS_MASK |
1504                    GDK_BUTTON_RELEASE_MASK |
1505                    GDK_BUTTON_MOTION_MASK |
1506                    GDK_SCROLL_MASK,
1507                    vc->s->null_cursor);
1508    gdk_device_get_position(gd_get_pointer(display),
1509                            NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1510#endif
1511    vc->s->ptr_owner = vc;
1512    gd_update_caption(vc->s);
1513    trace_gd_grab(vc->label, "ptr", reason);
1514}
1515
1516static void gd_ungrab_pointer(GtkDisplayState *s)
1517{
1518    VirtualConsole *vc = s->ptr_owner;
1519    GdkDisplay *display;
1520
1521    if (vc == NULL) {
1522        return;
1523    }
1524    s->ptr_owner = NULL;
1525
1526    display = gtk_widget_get_display(vc->gfx.drawing_area);
1527#if GTK_CHECK_VERSION(3, 20, 0)
1528    gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1529    gdk_device_warp(gd_get_pointer(display),
1530                    gtk_widget_get_screen(vc->gfx.drawing_area),
1531                    vc->s->grab_x_root, vc->s->grab_y_root);
1532#else
1533    gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1534    gdk_device_warp(gd_get_pointer(display),
1535                    gtk_widget_get_screen(vc->gfx.drawing_area),
1536                    vc->s->grab_x_root, vc->s->grab_y_root);
1537#endif
1538    gd_update_caption(s);
1539    trace_gd_ungrab(vc->label, "ptr");
1540}
1541
1542static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1543{
1544    GtkDisplayState *s = opaque;
1545    VirtualConsole *vc = gd_vc_find_current(s);
1546
1547    if (gd_is_grab_active(s)) {
1548        gd_grab_keyboard(vc, "user-request-main-window");
1549        gd_grab_pointer(vc, "user-request-main-window");
1550    } else {
1551        gd_ungrab_keyboard(s);
1552        gd_ungrab_pointer(s);
1553    }
1554
1555    gd_update_cursor(vc);
1556}
1557
1558static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1559                           gpointer data)
1560{
1561    GtkDisplayState *s = data;
1562    VirtualConsole *vc;
1563    gboolean on_vga;
1564
1565    if (!gtk_widget_get_realized(s->notebook)) {
1566        return;
1567    }
1568
1569    vc = gd_vc_find_by_page(s, arg2);
1570    if (!vc) {
1571        return;
1572    }
1573    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1574                                   TRUE);
1575    on_vga = (vc->type == GD_VC_GFX &&
1576              qemu_console_is_graphic(vc->gfx.dcl.con));
1577    if (!on_vga) {
1578        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1579                                       FALSE);
1580    } else if (s->full_screen) {
1581        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1582                                       TRUE);
1583    }
1584    gtk_widget_set_sensitive(s->grab_item, on_vga);
1585#ifdef CONFIG_VTE
1586    gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1587#endif
1588
1589    gd_update_windowsize(vc);
1590    gd_update_cursor(vc);
1591}
1592
1593static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1594                               gpointer opaque)
1595{
1596    VirtualConsole *vc = opaque;
1597    GtkDisplayState *s = vc->s;
1598
1599    if (gd_grab_on_hover(s)) {
1600        gd_grab_keyboard(vc, "grab-on-hover");
1601    }
1602    return TRUE;
1603}
1604
1605static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1606                               gpointer opaque)
1607{
1608    VirtualConsole *vc = opaque;
1609    GtkDisplayState *s = vc->s;
1610
1611    if (gd_grab_on_hover(s)) {
1612        gd_ungrab_keyboard(s);
1613    }
1614    return TRUE;
1615}
1616
1617static gboolean gd_focus_out_event(GtkWidget *widget,
1618                                   GdkEventCrossing *crossing, gpointer opaque)
1619{
1620    VirtualConsole *vc = opaque;
1621    GtkDisplayState *s = vc->s;
1622
1623    gtk_release_modifiers(s);
1624    return TRUE;
1625}
1626
1627static gboolean gd_configure(GtkWidget *widget,
1628                             GdkEventConfigure *cfg, gpointer opaque)
1629{
1630    VirtualConsole *vc = opaque;
1631
1632    gd_set_ui_info(vc, cfg->width, cfg->height);
1633    return FALSE;
1634}
1635
1636/** Virtual Console Callbacks **/
1637
1638static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1639                               int idx, GSList *group, GtkWidget *view_menu)
1640{
1641    vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1642    gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1643            HOTKEY_MODIFIERS, 0,
1644            g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1645    gtk_accel_label_set_accel(
1646            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1647            GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1648
1649    g_signal_connect(vc->menu_item, "activate",
1650                     G_CALLBACK(gd_menu_switch_vc), s);
1651    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1652
1653    group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1654    return group;
1655}
1656
1657#if defined(CONFIG_VTE)
1658static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1659{
1660    GtkDisplayState *s = opaque;
1661    VirtualConsole *vc = gd_vc_find_current(s);
1662
1663#if VTE_CHECK_VERSION(0, 50, 0)
1664    vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1665                                       VTE_FORMAT_TEXT);
1666#else
1667    vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1668#endif
1669}
1670
1671static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1672{
1673    VirtualConsole *vc = opaque;
1674
1675    if (gtk_adjustment_get_upper(adjustment) >
1676        gtk_adjustment_get_page_size(adjustment)) {
1677        gtk_widget_show(vc->vte.scrollbar);
1678    } else {
1679        gtk_widget_hide(vc->vte.scrollbar);
1680    }
1681}
1682
1683static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1684{
1685    VCChardev *vcd = VC_CHARDEV(chr);
1686    VirtualConsole *vc = vcd->console;
1687
1688    vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1689    return len;
1690}
1691
1692static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1693{
1694    VCChardev *vcd = VC_CHARDEV(chr);
1695    VirtualConsole *vc = vcd->console;
1696
1697    if (vc) {
1698        vc->vte.echo = echo;
1699    } else {
1700        vcd->echo = echo;
1701    }
1702}
1703
1704static int nb_vcs;
1705static Chardev *vcs[MAX_VCS];
1706static void gd_vc_open(Chardev *chr,
1707                       ChardevBackend *backend,
1708                       bool *be_opened,
1709                       Error **errp)
1710{
1711    if (nb_vcs == MAX_VCS) {
1712        error_setg(errp, "Maximum number of consoles reached");
1713        return;
1714    }
1715
1716    vcs[nb_vcs++] = chr;
1717
1718    /* console/chardev init sometimes completes elsewhere in a 2nd
1719     * stage, so defer OPENED events until they are fully initialized
1720     */
1721    *be_opened = false;
1722}
1723
1724static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1725{
1726    ChardevClass *cc = CHARDEV_CLASS(oc);
1727
1728    cc->parse = qemu_chr_parse_vc;
1729    cc->open = gd_vc_open;
1730    cc->chr_write = gd_vc_chr_write;
1731    cc->chr_set_echo = gd_vc_chr_set_echo;
1732}
1733
1734static const TypeInfo char_gd_vc_type_info = {
1735    .name = TYPE_CHARDEV_VC,
1736    .parent = TYPE_CHARDEV,
1737    .instance_size = sizeof(VCChardev),
1738    .class_init = char_gd_vc_class_init,
1739};
1740
1741static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1742                         gpointer user_data)
1743{
1744    VirtualConsole *vc = user_data;
1745
1746    if (vc->vte.echo) {
1747        VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1748        int i;
1749        for (i = 0; i < size; i++) {
1750            uint8_t c = text[i];
1751            if (c >= 128 || isprint(c)) {
1752                /* 8-bit characters are considered printable.  */
1753                vte_terminal_feed(term, &text[i], 1);
1754            } else if (c == '\r' || c == '\n') {
1755                vte_terminal_feed(term, "\r\n", 2);
1756            } else {
1757                char ctrl[2] = { '^', 0};
1758                ctrl[1] = text[i] ^ 64;
1759                vte_terminal_feed(term, ctrl, 2);
1760            }
1761        }
1762    }
1763
1764    qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1765    return TRUE;
1766}
1767
1768static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1769                              Chardev *chr, int idx,
1770                              GSList *group, GtkWidget *view_menu)
1771{
1772    char buffer[32];
1773    GtkWidget *box;
1774    GtkWidget *scrollbar;
1775    GtkAdjustment *vadjustment;
1776    VCChardev *vcd = VC_CHARDEV(chr);
1777
1778    vc->s = s;
1779    vc->vte.echo = vcd->echo;
1780    vc->vte.chr = chr;
1781    vcd->console = vc;
1782
1783    snprintf(buffer, sizeof(buffer), "vc%d", idx);
1784    vc->label = g_strdup_printf("%s", vc->vte.chr->label
1785                                ? vc->vte.chr->label : buffer);
1786    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1787
1788    vc->vte.terminal = vte_terminal_new();
1789    g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1790
1791    /* The documentation says that the default is UTF-8, but actually it is
1792     * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1793     * VTE 0.54 (only UTF-8 is supported now). */
1794#if !VTE_CHECK_VERSION(0, 54, 0)
1795#if VTE_CHECK_VERSION(0, 38, 0)
1796    vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1797#else
1798    vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1799#endif
1800#endif
1801
1802    vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1803    vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1804                          VC_TERM_X_MIN, VC_TERM_Y_MIN);
1805
1806#if VTE_CHECK_VERSION(0, 28, 0)
1807    vadjustment = gtk_scrollable_get_vadjustment
1808        (GTK_SCROLLABLE(vc->vte.terminal));
1809#else
1810    vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1811#endif
1812
1813    box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1814    scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1815
1816    gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1817    gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1818
1819    vc->vte.box = box;
1820    vc->vte.scrollbar = scrollbar;
1821
1822    g_signal_connect(vadjustment, "changed",
1823                     G_CALLBACK(gd_vc_adjustment_changed), vc);
1824
1825    vc->type = GD_VC_VTE;
1826    vc->tab_item = box;
1827    vc->focus = vc->vte.terminal;
1828    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1829                             gtk_label_new(vc->label));
1830
1831    qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1832
1833    return group;
1834}
1835
1836static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1837                        GtkWidget *view_menu)
1838{
1839    int i;
1840
1841    for (i = 0; i < nb_vcs; i++) {
1842        VirtualConsole *vc = &s->vc[s->nb_vcs];
1843        group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1844        s->nb_vcs++;
1845    }
1846}
1847#endif /* CONFIG_VTE */
1848
1849/** Window Creation **/
1850
1851static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1852{
1853    g_signal_connect(vc->gfx.drawing_area, "draw",
1854                     G_CALLBACK(gd_draw_event), vc);
1855#if defined(CONFIG_GTK_GL)
1856    if (gtk_use_gl_area) {
1857        /* wire up GtkGlArea events */
1858        g_signal_connect(vc->gfx.drawing_area, "render",
1859                         G_CALLBACK(gd_render_event), vc);
1860        g_signal_connect(vc->gfx.drawing_area, "resize",
1861                         G_CALLBACK(gd_resize_event), vc);
1862    }
1863#endif
1864    if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1865        g_signal_connect(vc->gfx.drawing_area, "event",
1866                         G_CALLBACK(gd_event), vc);
1867        g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1868                         G_CALLBACK(gd_button_event), vc);
1869        g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1870                         G_CALLBACK(gd_button_event), vc);
1871        g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1872                         G_CALLBACK(gd_scroll_event), vc);
1873        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1874                         G_CALLBACK(gd_key_event), vc);
1875        g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1876                         G_CALLBACK(gd_key_event), vc);
1877
1878        g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1879                         G_CALLBACK(gd_enter_event), vc);
1880        g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1881                         G_CALLBACK(gd_leave_event), vc);
1882        g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1883                         G_CALLBACK(gd_focus_out_event), vc);
1884        g_signal_connect(vc->gfx.drawing_area, "configure-event",
1885                         G_CALLBACK(gd_configure), vc);
1886    } else {
1887        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1888                         G_CALLBACK(gd_text_key_down), vc);
1889    }
1890}
1891
1892static void gd_connect_signals(GtkDisplayState *s)
1893{
1894    g_signal_connect(s->show_tabs_item, "activate",
1895                     G_CALLBACK(gd_menu_show_tabs), s);
1896    g_signal_connect(s->untabify_item, "activate",
1897                     G_CALLBACK(gd_menu_untabify), s);
1898    g_signal_connect(s->show_menubar_item, "activate",
1899                     G_CALLBACK(gd_menu_show_menubar), s);
1900
1901    g_signal_connect(s->window, "delete-event",
1902                     G_CALLBACK(gd_window_close), s);
1903
1904    g_signal_connect(s->pause_item, "activate",
1905                     G_CALLBACK(gd_menu_pause), s);
1906    g_signal_connect(s->reset_item, "activate",
1907                     G_CALLBACK(gd_menu_reset), s);
1908    g_signal_connect(s->powerdown_item, "activate",
1909                     G_CALLBACK(gd_menu_powerdown), s);
1910    g_signal_connect(s->quit_item, "activate",
1911                     G_CALLBACK(gd_menu_quit), s);
1912#if defined(CONFIG_VTE)
1913    g_signal_connect(s->copy_item, "activate",
1914                     G_CALLBACK(gd_menu_copy), s);
1915#endif
1916    g_signal_connect(s->full_screen_item, "activate",
1917                     G_CALLBACK(gd_menu_full_screen), s);
1918    g_signal_connect(s->zoom_in_item, "activate",
1919                     G_CALLBACK(gd_menu_zoom_in), s);
1920    g_signal_connect(s->zoom_out_item, "activate",
1921                     G_CALLBACK(gd_menu_zoom_out), s);
1922    g_signal_connect(s->zoom_fixed_item, "activate",
1923                     G_CALLBACK(gd_menu_zoom_fixed), s);
1924    g_signal_connect(s->zoom_fit_item, "activate",
1925                     G_CALLBACK(gd_menu_zoom_fit), s);
1926    g_signal_connect(s->grab_item, "activate",
1927                     G_CALLBACK(gd_menu_grab_input), s);
1928    g_signal_connect(s->notebook, "switch-page",
1929                     G_CALLBACK(gd_change_page), s);
1930}
1931
1932static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1933{
1934    GtkWidget *machine_menu;
1935    GtkWidget *separator;
1936
1937    machine_menu = gtk_menu_new();
1938    gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1939
1940    s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1941    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1942
1943    separator = gtk_separator_menu_item_new();
1944    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1945
1946    s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1947    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1948
1949    s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1950    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1951
1952    separator = gtk_separator_menu_item_new();
1953    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1954
1955    s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1956    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1957                                 "<QEMU>/Machine/Quit");
1958    gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1959                            GDK_KEY_q, HOTKEY_MODIFIERS);
1960    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1961
1962    return machine_menu;
1963}
1964
1965/*
1966 * If available, return the refresh rate of the display in milli-Hertz,
1967 * else return 0.
1968 */
1969static int gd_refresh_rate_millihz(GtkWidget *window)
1970{
1971#ifdef GDK_VERSION_3_22
1972    GdkWindow *win = gtk_widget_get_window(window);
1973
1974    if (win) {
1975        GdkDisplay *dpy = gtk_widget_get_display(window);
1976        GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
1977
1978        return gdk_monitor_get_refresh_rate(monitor);
1979    }
1980#endif
1981    return 0;
1982}
1983
1984static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1985                              QemuConsole *con, int idx,
1986                              GSList *group, GtkWidget *view_menu)
1987{
1988    bool zoom_to_fit = false;
1989    int refresh_rate_millihz;
1990
1991    vc->label = qemu_console_get_label(con);
1992    vc->s = s;
1993    vc->gfx.scale_x = 1.0;
1994    vc->gfx.scale_y = 1.0;
1995
1996#if defined(CONFIG_OPENGL)
1997    if (display_opengl) {
1998#if defined(CONFIG_GTK_GL)
1999        if (gtk_use_gl_area) {
2000            vc->gfx.drawing_area = gtk_gl_area_new();
2001            vc->gfx.dcl.ops = &dcl_gl_area_ops;
2002        } else
2003#endif /* CONFIG_GTK_GL */
2004        {
2005            vc->gfx.drawing_area = gtk_drawing_area_new();
2006            /*
2007             * gtk_widget_set_double_buffered() was deprecated in 3.14.
2008             * It is required for opengl rendering on X11 though.  A
2009             * proper replacement (native opengl support) is only
2010             * available in 3.16+.  Silence the warning if possible.
2011             */
2012#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2013#pragma GCC diagnostic push
2014#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2015#endif
2016            gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2017#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2018#pragma GCC diagnostic pop
2019#endif
2020            vc->gfx.dcl.ops = &dcl_egl_ops;
2021        }
2022    } else
2023#endif
2024    {
2025        vc->gfx.drawing_area = gtk_drawing_area_new();
2026        vc->gfx.dcl.ops = &dcl_ops;
2027    }
2028
2029
2030    gtk_widget_add_events(vc->gfx.drawing_area,
2031                          GDK_POINTER_MOTION_MASK |
2032                          GDK_BUTTON_PRESS_MASK |
2033                          GDK_BUTTON_RELEASE_MASK |
2034                          GDK_BUTTON_MOTION_MASK |
2035                          GDK_ENTER_NOTIFY_MASK |
2036                          GDK_LEAVE_NOTIFY_MASK |
2037                          GDK_SCROLL_MASK |
2038                          GDK_SMOOTH_SCROLL_MASK |
2039                          GDK_KEY_PRESS_MASK);
2040    gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2041
2042    vc->type = GD_VC_GFX;
2043    vc->tab_item = vc->gfx.drawing_area;
2044    vc->focus = vc->gfx.drawing_area;
2045    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2046                             vc->tab_item, gtk_label_new(vc->label));
2047
2048    vc->gfx.kbd = qkbd_state_init(con);
2049    vc->gfx.dcl.con = con;
2050
2051    refresh_rate_millihz = gd_refresh_rate_millihz(vc->window ?
2052                                                   vc->window : s->window);
2053    if (refresh_rate_millihz) {
2054        vc->gfx.dcl.update_interval = MILLISEC_PER_SEC / refresh_rate_millihz;
2055    }
2056
2057    register_displaychangelistener(&vc->gfx.dcl);
2058
2059    gd_connect_vc_gfx_signals(vc);
2060    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2061
2062    if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2063        zoom_to_fit = true;
2064    }
2065    if (s->opts->u.gtk.has_zoom_to_fit) {
2066        zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2067    }
2068    if (zoom_to_fit) {
2069        gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2070        s->free_scale = true;
2071    }
2072
2073    return group;
2074}
2075
2076static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2077{
2078    GSList *group = NULL;
2079    GtkWidget *view_menu;
2080    GtkWidget *separator;
2081    QemuConsole *con;
2082    int vc;
2083
2084    view_menu = gtk_menu_new();
2085    gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2086
2087    s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2088
2089#if defined(CONFIG_VTE)
2090    s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2091    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2092#endif
2093
2094    gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2095            g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2096    gtk_accel_label_set_accel(
2097            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2098            GDK_KEY_f, HOTKEY_MODIFIERS);
2099    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2100
2101    separator = gtk_separator_menu_item_new();
2102    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2103
2104    s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2105    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2106                                 "<QEMU>/View/Zoom In");
2107    gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2108                            HOTKEY_MODIFIERS);
2109    gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2110            g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2111    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2112
2113    s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2114    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2115                                 "<QEMU>/View/Zoom Out");
2116    gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2117                            HOTKEY_MODIFIERS);
2118    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2119
2120    s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2121    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2122                                 "<QEMU>/View/Zoom Fixed");
2123    gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2124                            HOTKEY_MODIFIERS);
2125    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2126
2127    s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2128    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2129
2130    separator = gtk_separator_menu_item_new();
2131    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2132
2133    s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2134    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2135
2136    s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2137    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2138                                 "<QEMU>/View/Grab Input");
2139    gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2140                            HOTKEY_MODIFIERS);
2141    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2142
2143    separator = gtk_separator_menu_item_new();
2144    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2145
2146    /* gfx */
2147    for (vc = 0;; vc++) {
2148        con = qemu_console_lookup_by_index(vc);
2149        if (!con) {
2150            break;
2151        }
2152        group = gd_vc_gfx_init(s, &s->vc[vc], con,
2153                               vc, group, view_menu);
2154        s->nb_vcs++;
2155    }
2156
2157#if defined(CONFIG_VTE)
2158    /* vte */
2159    gd_vcs_init(s, group, view_menu);
2160#endif
2161
2162    separator = gtk_separator_menu_item_new();
2163    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2164
2165    s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2166    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2167
2168    s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2169    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2170
2171    s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2172            _("Show Menubar"));
2173    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2174                                   TRUE);
2175    gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2176            g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2177    gtk_accel_label_set_accel(
2178            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2179            GDK_KEY_m, HOTKEY_MODIFIERS);
2180    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2181
2182    return view_menu;
2183}
2184
2185static void gd_create_menus(GtkDisplayState *s)
2186{
2187    GtkSettings *settings;
2188
2189    s->accel_group = gtk_accel_group_new();
2190    s->machine_menu = gd_create_menu_machine(s);
2191    s->view_menu = gd_create_menu_view(s);
2192
2193    s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2194    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2195                              s->machine_menu);
2196    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2197
2198    s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2199    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2200    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2201
2202    g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2203    gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2204
2205    /* Disable the default "F10" menu shortcut. */
2206    settings = gtk_widget_get_settings(s->window);
2207    g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2208}
2209
2210
2211static gboolean gtkinit;
2212
2213static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2214{
2215    VirtualConsole *vc;
2216
2217    GtkDisplayState *s = g_malloc0(sizeof(*s));
2218    GdkDisplay *window_display;
2219    GtkIconTheme *theme;
2220
2221    if (!gtkinit) {
2222        fprintf(stderr, "gtk initialization failed\n");
2223        exit(1);
2224    }
2225    assert(opts->type == DISPLAY_TYPE_GTK);
2226    s->opts = opts;
2227
2228    theme = gtk_icon_theme_get_default();
2229    gtk_icon_theme_prepend_search_path(theme, CONFIG_QEMU_ICONDIR);
2230    g_set_prgname("qemu");
2231
2232    s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2233    s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2234    s->notebook = gtk_notebook_new();
2235    s->menu_bar = gtk_menu_bar_new();
2236
2237    s->free_scale = FALSE;
2238
2239    /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2240     * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2241     * printable, but without changing any of the character classes to make
2242     * sure that we don't accidentally break implicit assumptions.  */
2243    setlocale(LC_MESSAGES, "");
2244    setlocale(LC_CTYPE, "C.UTF-8");
2245    bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2246    bind_textdomain_codeset("qemu", "UTF-8");
2247    textdomain("qemu");
2248
2249    window_display = gtk_widget_get_display(s->window);
2250    if (s->opts->has_show_cursor && s->opts->show_cursor) {
2251        s->null_cursor = NULL; /* default pointer */
2252    } else {
2253        s->null_cursor = gdk_cursor_new_for_display(window_display,
2254                                                    GDK_BLANK_CURSOR);
2255    }
2256
2257    s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2258    qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2259    qemu_add_vm_change_state_handler(gd_change_runstate, s);
2260
2261    gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2262
2263    gd_create_menus(s);
2264
2265    gd_connect_signals(s);
2266
2267    gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2268    gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2269
2270    gd_update_caption(s);
2271
2272    gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2273    gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2274
2275    gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2276
2277    gtk_widget_show_all(s->window);
2278
2279    vc = gd_vc_find_current(s);
2280    gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2281#ifdef CONFIG_VTE
2282    gtk_widget_set_sensitive(s->copy_item,
2283                             vc && vc->type == GD_VC_VTE);
2284#endif
2285
2286    if (opts->has_full_screen &&
2287        opts->full_screen) {
2288        gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2289    }
2290    if (opts->u.gtk.has_grab_on_hover &&
2291        opts->u.gtk.grab_on_hover) {
2292        gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2293    }
2294}
2295
2296static void early_gtk_display_init(DisplayOptions *opts)
2297{
2298    /* The QEMU code relies on the assumption that it's always run in
2299     * the C locale. Therefore it is not prepared to deal with
2300     * operations that produce different results depending on the
2301     * locale, such as printf's formatting of decimal numbers, and
2302     * possibly others.
2303     *
2304     * Since GTK+ calls setlocale() by default -importing the locale
2305     * settings from the environment- we must prevent it from doing so
2306     * using gtk_disable_setlocale().
2307     *
2308     * QEMU's GTK+ UI, however, _does_ have translations for some of
2309     * the menu items. As a trade-off between a functionally correct
2310     * QEMU and a fully internationalized UI we support importing
2311     * LC_MESSAGES from the environment (see the setlocale() call
2312     * earlier in this file). This allows us to display translated
2313     * messages leaving everything else untouched.
2314     */
2315    gtk_disable_setlocale();
2316    gtkinit = gtk_init_check(NULL, NULL);
2317    if (!gtkinit) {
2318        /* don't exit yet, that'll break -help */
2319        return;
2320    }
2321
2322    assert(opts->type == DISPLAY_TYPE_GTK);
2323    if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2324#if defined(CONFIG_OPENGL)
2325#if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2326        if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2327            gtk_use_gl_area = true;
2328            gtk_gl_area_init();
2329        } else
2330#endif
2331        {
2332            DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2333            gtk_egl_init(mode);
2334        }
2335#endif
2336    }
2337
2338    keycode_map = gd_get_keymap(&keycode_maplen);
2339
2340#if defined(CONFIG_VTE)
2341    type_register(&char_gd_vc_type_info);
2342#endif
2343}
2344
2345static QemuDisplay qemu_display_gtk = {
2346    .type       = DISPLAY_TYPE_GTK,
2347    .early_init = early_gtk_display_init,
2348    .init       = gtk_display_init,
2349};
2350
2351static void register_gtk(void)
2352{
2353    qemu_display_register(&qemu_display_gtk);
2354}
2355
2356type_init(register_gtk);
2357