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