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 work is licensed under the terms of the GNU GPL, version 2 or later.
  10 * See the COPYING file in the top-level directory.
  11 *
  12 * Portions from gtk-vnc:
  13 *
  14 * GTK VNC Widget
  15 *
  16 * Copyright (C) 2006  Anthony Liguori <anthony@codemonkey.ws>
  17 * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
  18 *
  19 * This library is free software; you can redistribute it and/or
  20 * modify it under the terms of the GNU Lesser General Public
  21 * License as published by the Free Software Foundation; either
  22 * version 2.0 of the License, or (at your option) any later version.
  23 *
  24 * This library is distributed in the hope that it will be useful,
  25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  27 * Lesser General Public License for more details.
  28 *
  29 * You should have received a copy of the GNU Lesser General Public
  30 * License along with this library; if not, write to the Free Software
  31 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  32 */
  33
  34#define GETTEXT_PACKAGE "qemu"
  35#define LOCALEDIR "po"
  36
  37#include "qemu/osdep.h"
  38#include "qemu-common.h"
  39#include "qapi/error.h"
  40#include "qapi/qapi-commands-misc.h"
  41#include "qemu/cutils.h"
  42
  43#include "ui/console.h"
  44#include "ui/gtk.h"
  45
  46#include <glib/gi18n.h>
  47#include <locale.h>
  48#if defined(CONFIG_VTE)
  49#include <vte/vte.h>
  50#endif
  51#include <math.h>
  52
  53#include "trace.h"
  54#include "ui/input.h"
  55#include "sysemu/sysemu.h"
  56#include "keymaps.h"
  57#include "chardev/char.h"
  58#include "qom/object.h"
  59
  60#define MAX_VCS 10
  61#define VC_WINDOW_X_MIN  320
  62#define VC_WINDOW_Y_MIN  240
  63#define VC_TERM_X_MIN     80
  64#define VC_TERM_Y_MIN     25
  65#define VC_SCALE_MIN    0.25
  66#define VC_SCALE_STEP   0.25
  67
  68#ifdef GDK_WINDOWING_X11
  69#include "x_keymap.h"
  70
  71/* Gtk2 compat */
  72#ifndef GDK_IS_X11_DISPLAY
  73#define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
  74#endif
  75#endif
  76
  77
  78#ifdef GDK_WINDOWING_WAYLAND
  79/* Gtk2 compat */
  80#ifndef GDK_IS_WAYLAND_DISPLAY
  81#define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
  82#endif
  83#endif
  84
  85
  86#ifdef GDK_WINDOWING_WIN32
  87/* Gtk2 compat */
  88#ifndef GDK_IS_WIN32_DISPLAY
  89#define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
  90#endif
  91#endif
  92
  93
  94#ifdef GDK_WINDOWING_BROADWAY
  95/* Gtk2 compat */
  96#ifndef GDK_IS_BROADWAY_DISPLAY
  97#define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
  98#endif
  99#endif
 100
 101
 102#ifdef GDK_WINDOWING_QUARTZ
 103/* Gtk2 compat */
 104#ifndef GDK_IS_QUARTZ_DISPLAY
 105#define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
 106#endif
 107#endif
 108
 109
 110#if !defined(CONFIG_VTE)
 111# define VTE_CHECK_VERSION(a, b, c) 0
 112#endif
 113
 114/* Some older mingw versions lack this constant or have
 115 * it conditionally defined */
 116#ifdef _WIN32
 117# ifndef MAPVK_VK_TO_VSC
 118#  define MAPVK_VK_TO_VSC 0
 119# endif
 120#endif
 121
 122
 123#define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 124
 125static const int modifier_keycode[] = {
 126    Q_KEY_CODE_SHIFT,
 127    Q_KEY_CODE_SHIFT_R,
 128    Q_KEY_CODE_CTRL,
 129    Q_KEY_CODE_CTRL_R,
 130    Q_KEY_CODE_ALT,
 131    Q_KEY_CODE_ALT_R,
 132    Q_KEY_CODE_META_L,
 133    Q_KEY_CODE_META_R,
 134};
 135
 136static const guint16 *keycode_map;
 137static size_t keycode_maplen;
 138
 139struct GtkDisplayState {
 140    GtkWidget *window;
 141
 142    GtkWidget *menu_bar;
 143
 144    GtkAccelGroup *accel_group;
 145
 146    GtkWidget *machine_menu_item;
 147    GtkWidget *machine_menu;
 148    GtkWidget *pause_item;
 149    GtkWidget *reset_item;
 150    GtkWidget *powerdown_item;
 151    GtkWidget *quit_item;
 152
 153    GtkWidget *view_menu_item;
 154    GtkWidget *view_menu;
 155    GtkWidget *full_screen_item;
 156    GtkWidget *copy_item;
 157    GtkWidget *zoom_in_item;
 158    GtkWidget *zoom_out_item;
 159    GtkWidget *zoom_fixed_item;
 160    GtkWidget *zoom_fit_item;
 161    GtkWidget *grab_item;
 162    GtkWidget *grab_on_hover_item;
 163
 164    int nb_vcs;
 165    VirtualConsole vc[MAX_VCS];
 166
 167    GtkWidget *show_tabs_item;
 168    GtkWidget *untabify_item;
 169    GtkWidget *show_menubar_item;
 170
 171    GtkWidget *vbox;
 172    GtkWidget *notebook;
 173    int button_mask;
 174    gboolean last_set;
 175    int last_x;
 176    int last_y;
 177    int grab_x_root;
 178    int grab_y_root;
 179    VirtualConsole *kbd_owner;
 180    VirtualConsole *ptr_owner;
 181
 182    gboolean full_screen;
 183
 184    GdkCursor *null_cursor;
 185    Notifier mouse_mode_notifier;
 186    gboolean free_scale;
 187
 188    bool external_pause_update;
 189
 190    bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
 191    bool ignore_keys;
 192
 193    DisplayOptions *opts;
 194};
 195
 196typedef struct VCChardev {
 197    Chardev parent;
 198    VirtualConsole *console;
 199    bool echo;
 200} VCChardev;
 201
 202#define TYPE_CHARDEV_VC "chardev-vc"
 203#define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
 204
 205bool gtk_use_gl_area;
 206
 207static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 208static void gd_ungrab_pointer(GtkDisplayState *s);
 209static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 210static void gd_ungrab_keyboard(GtkDisplayState *s);
 211
 212/** Utility Functions **/
 213
 214static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 215{
 216    VirtualConsole *vc;
 217    gint i;
 218
 219    for (i = 0; i < s->nb_vcs; i++) {
 220        vc = &s->vc[i];
 221        if (gtk_check_menu_item_get_active
 222            (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 223            return vc;
 224        }
 225    }
 226    return NULL;
 227}
 228
 229static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 230{
 231    VirtualConsole *vc;
 232    gint i, p;
 233
 234    for (i = 0; i < s->nb_vcs; i++) {
 235        vc = &s->vc[i];
 236        p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 237        if (p == page) {
 238            return vc;
 239        }
 240    }
 241    return NULL;
 242}
 243
 244static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 245{
 246    gint page;
 247
 248    page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 249    return gd_vc_find_by_page(s, page);
 250}
 251
 252static bool gd_is_grab_active(GtkDisplayState *s)
 253{
 254    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 255}
 256
 257static bool gd_grab_on_hover(GtkDisplayState *s)
 258{
 259    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 260}
 261
 262static void gd_update_cursor(VirtualConsole *vc)
 263{
 264    GtkDisplayState *s = vc->s;
 265    GdkWindow *window;
 266
 267    if (vc->type != GD_VC_GFX ||
 268        !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 269        return;
 270    }
 271
 272    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 273        return;
 274    }
 275
 276    window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 277    if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 278        gdk_window_set_cursor(window, s->null_cursor);
 279    } else {
 280        gdk_window_set_cursor(window, NULL);
 281    }
 282}
 283
 284static void gd_update_caption(GtkDisplayState *s)
 285{
 286    const char *status = "";
 287    gchar *prefix;
 288    gchar *title;
 289    const char *grab = "";
 290    bool is_paused = !runstate_is_running();
 291    int i;
 292
 293    if (qemu_name) {
 294        prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 295    } else {
 296        prefix = g_strdup_printf("QEMU");
 297    }
 298
 299    if (s->ptr_owner != NULL &&
 300        s->ptr_owner->window == NULL) {
 301        grab = _(" - Press Ctrl+Alt+G to release grab");
 302    }
 303
 304    if (is_paused) {
 305        status = _(" [Paused]");
 306    }
 307    s->external_pause_update = true;
 308    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 309                                   is_paused);
 310    s->external_pause_update = false;
 311
 312    title = g_strdup_printf("%s%s%s", prefix, status, grab);
 313    gtk_window_set_title(GTK_WINDOW(s->window), title);
 314    g_free(title);
 315
 316    for (i = 0; i < s->nb_vcs; i++) {
 317        VirtualConsole *vc = &s->vc[i];
 318
 319        if (!vc->window) {
 320            continue;
 321        }
 322        title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 323                                vc == s->kbd_owner ? " +kbd" : "",
 324                                vc == s->ptr_owner ? " +ptr" : "");
 325        gtk_window_set_title(GTK_WINDOW(vc->window), title);
 326        g_free(title);
 327    }
 328
 329    g_free(prefix);
 330}
 331
 332static void gd_update_geometry_hints(VirtualConsole *vc)
 333{
 334    GtkDisplayState *s = vc->s;
 335    GdkWindowHints mask = 0;
 336    GdkGeometry geo = {};
 337    GtkWidget *geo_widget = NULL;
 338    GtkWindow *geo_window;
 339
 340    if (vc->type == GD_VC_GFX) {
 341        if (!vc->gfx.ds) {
 342            return;
 343        }
 344        if (s->free_scale) {
 345            geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 346            geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 347            mask |= GDK_HINT_MIN_SIZE;
 348        } else {
 349            geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 350            geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 351            mask |= GDK_HINT_MIN_SIZE;
 352        }
 353        geo_widget = vc->gfx.drawing_area;
 354        gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 355
 356#if defined(CONFIG_VTE)
 357    } else if (vc->type == GD_VC_VTE) {
 358        VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 359        GtkBorder padding = { 0 };
 360
 361#if VTE_CHECK_VERSION(0, 37, 0)
 362        gtk_style_context_get_padding(
 363                gtk_widget_get_style_context(vc->vte.terminal),
 364                gtk_widget_get_state_flags(vc->vte.terminal),
 365                &padding);
 366#else
 367        {
 368            GtkBorder *ib = NULL;
 369            gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 370            if (ib) {
 371                padding = *ib;
 372                gtk_border_free(ib);
 373            }
 374        }
 375#endif
 376
 377        geo.width_inc  = vte_terminal_get_char_width(term);
 378        geo.height_inc = vte_terminal_get_char_height(term);
 379        mask |= GDK_HINT_RESIZE_INC;
 380        geo.base_width  = geo.width_inc;
 381        geo.base_height = geo.height_inc;
 382        mask |= GDK_HINT_BASE_SIZE;
 383        geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 384        geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 385        mask |= GDK_HINT_MIN_SIZE;
 386
 387        geo.base_width  += padding.left + padding.right;
 388        geo.base_height += padding.top + padding.bottom;
 389        geo.min_width   += padding.left + padding.right;
 390        geo.min_height  += padding.top + padding.bottom;
 391        geo_widget = vc->vte.terminal;
 392#endif
 393    }
 394
 395    geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 396    gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 397}
 398
 399void gd_update_windowsize(VirtualConsole *vc)
 400{
 401    GtkDisplayState *s = vc->s;
 402
 403    gd_update_geometry_hints(vc);
 404
 405    if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 406        gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 407                          VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 408    }
 409}
 410
 411static void gd_update_full_redraw(VirtualConsole *vc)
 412{
 413    GtkWidget *area = vc->gfx.drawing_area;
 414    int ww, wh;
 415    ww = gdk_window_get_width(gtk_widget_get_window(area));
 416    wh = gdk_window_get_height(gtk_widget_get_window(area));
 417#if defined(CONFIG_GTK_GL)
 418    if (vc->gfx.gls && gtk_use_gl_area) {
 419        gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 420        return;
 421    }
 422#endif
 423    gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 424}
 425
 426static void gtk_release_modifiers(GtkDisplayState *s)
 427{
 428    VirtualConsole *vc = gd_vc_find_current(s);
 429    int i, qcode;
 430
 431    if (vc->type != GD_VC_GFX ||
 432        !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 433        return;
 434    }
 435    for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 436        qcode = modifier_keycode[i];
 437        if (!s->modifier_pressed[i]) {
 438            continue;
 439        }
 440        qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode, false);
 441        s->modifier_pressed[i] = false;
 442    }
 443}
 444
 445static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 446                               GtkWidget *widget)
 447{
 448    g_object_ref(G_OBJECT(widget));
 449    gtk_container_remove(GTK_CONTAINER(from), widget);
 450    gtk_container_add(GTK_CONTAINER(to), widget);
 451    g_object_unref(G_OBJECT(widget));
 452}
 453
 454/** DisplayState Callbacks **/
 455
 456static void gd_update(DisplayChangeListener *dcl,
 457                      int x, int y, int w, int h)
 458{
 459    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 460    GdkWindow *win;
 461    int x1, x2, y1, y2;
 462    int mx, my;
 463    int fbw, fbh;
 464    int ww, wh;
 465
 466    trace_gd_update(vc->label, x, y, w, h);
 467
 468    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 469        return;
 470    }
 471
 472    if (vc->gfx.convert) {
 473        pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 474                               NULL, vc->gfx.convert,
 475                               x, y, 0, 0, x, y, w, h);
 476    }
 477
 478    x1 = floor(x * vc->gfx.scale_x);
 479    y1 = floor(y * vc->gfx.scale_y);
 480
 481    x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 482    y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 483
 484    fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 485    fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 486
 487    win = gtk_widget_get_window(vc->gfx.drawing_area);
 488    if (!win) {
 489        return;
 490    }
 491    ww = gdk_window_get_width(win);
 492    wh = gdk_window_get_height(win);
 493
 494    mx = my = 0;
 495    if (ww > fbw) {
 496        mx = (ww - fbw) / 2;
 497    }
 498    if (wh > fbh) {
 499        my = (wh - fbh) / 2;
 500    }
 501
 502    gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 503                               mx + x1, my + y1, (x2 - x1), (y2 - y1));
 504}
 505
 506static void gd_refresh(DisplayChangeListener *dcl)
 507{
 508    graphic_hw_update(dcl->con);
 509}
 510
 511static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
 512{
 513#if GTK_CHECK_VERSION(3, 20, 0)
 514    return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
 515#else
 516    return gdk_device_manager_get_client_pointer(
 517        gdk_display_get_device_manager(dpy));
 518#endif
 519}
 520
 521static void gd_mouse_set(DisplayChangeListener *dcl,
 522                         int x, int y, int visible)
 523{
 524    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 525    GdkDisplay *dpy;
 526    gint x_root, y_root;
 527
 528    if (qemu_input_is_absolute()) {
 529        return;
 530    }
 531
 532    dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 533    gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 534                               x, y, &x_root, &y_root);
 535    gdk_device_warp(gd_get_pointer(dpy),
 536                    gtk_widget_get_screen(vc->gfx.drawing_area),
 537                    x_root, y_root);
 538    vc->s->last_x = x;
 539    vc->s->last_y = y;
 540}
 541
 542static void gd_cursor_define(DisplayChangeListener *dcl,
 543                             QEMUCursor *c)
 544{
 545    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 546    GdkPixbuf *pixbuf;
 547    GdkCursor *cursor;
 548
 549    if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 550        return;
 551    }
 552
 553    pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 554                                      GDK_COLORSPACE_RGB, true, 8,
 555                                      c->width, c->height, c->width * 4,
 556                                      NULL, NULL);
 557    cursor = gdk_cursor_new_from_pixbuf
 558        (gtk_widget_get_display(vc->gfx.drawing_area),
 559         pixbuf, c->hot_x, c->hot_y);
 560    gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 561    g_object_unref(pixbuf);
 562    g_object_unref(cursor);
 563}
 564
 565static void gd_switch(DisplayChangeListener *dcl,
 566                      DisplaySurface *surface)
 567{
 568    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 569    bool resized = true;
 570
 571    trace_gd_switch(vc->label,
 572                    surface ? surface_width(surface)  : 0,
 573                    surface ? surface_height(surface) : 0);
 574
 575    if (vc->gfx.surface) {
 576        cairo_surface_destroy(vc->gfx.surface);
 577        vc->gfx.surface = NULL;
 578    }
 579    if (vc->gfx.convert) {
 580        pixman_image_unref(vc->gfx.convert);
 581        vc->gfx.convert = NULL;
 582    }
 583
 584    if (vc->gfx.ds && surface &&
 585        surface_width(vc->gfx.ds) == surface_width(surface) &&
 586        surface_height(vc->gfx.ds) == surface_height(surface)) {
 587        resized = false;
 588    }
 589    vc->gfx.ds = surface;
 590
 591    if (!surface) {
 592        return;
 593    }
 594
 595    if (surface->format == PIXMAN_x8r8g8b8) {
 596        /*
 597         * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 598         *
 599         * No need to convert, use surface directly.  Should be the
 600         * common case as this is qemu_default_pixelformat(32) too.
 601         */
 602        vc->gfx.surface = cairo_image_surface_create_for_data
 603            (surface_data(surface),
 604             CAIRO_FORMAT_RGB24,
 605             surface_width(surface),
 606             surface_height(surface),
 607             surface_stride(surface));
 608    } else {
 609        /* Must convert surface, use pixman to do it. */
 610        vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 611                                                   surface_width(surface),
 612                                                   surface_height(surface),
 613                                                   NULL, 0);
 614        vc->gfx.surface = cairo_image_surface_create_for_data
 615            ((void *)pixman_image_get_data(vc->gfx.convert),
 616             CAIRO_FORMAT_RGB24,
 617             pixman_image_get_width(vc->gfx.convert),
 618             pixman_image_get_height(vc->gfx.convert),
 619             pixman_image_get_stride(vc->gfx.convert));
 620        pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 621                               NULL, vc->gfx.convert,
 622                               0, 0, 0, 0, 0, 0,
 623                               pixman_image_get_width(vc->gfx.convert),
 624                               pixman_image_get_height(vc->gfx.convert));
 625    }
 626
 627    if (resized) {
 628        gd_update_windowsize(vc);
 629    } else {
 630        gd_update_full_redraw(vc);
 631    }
 632}
 633
 634static const DisplayChangeListenerOps dcl_ops = {
 635    .dpy_name             = "gtk",
 636    .dpy_gfx_update       = gd_update,
 637    .dpy_gfx_switch       = gd_switch,
 638    .dpy_gfx_check_format = qemu_pixman_check_format,
 639    .dpy_refresh          = gd_refresh,
 640    .dpy_mouse_set        = gd_mouse_set,
 641    .dpy_cursor_define    = gd_cursor_define,
 642};
 643
 644
 645#if defined(CONFIG_OPENGL)
 646
 647/** DisplayState Callbacks (opengl version) **/
 648
 649#if defined(CONFIG_GTK_GL)
 650
 651static const DisplayChangeListenerOps dcl_gl_area_ops = {
 652    .dpy_name             = "gtk-egl",
 653    .dpy_gfx_update       = gd_gl_area_update,
 654    .dpy_gfx_switch       = gd_gl_area_switch,
 655    .dpy_gfx_check_format = console_gl_check_format,
 656    .dpy_refresh          = gd_gl_area_refresh,
 657    .dpy_mouse_set        = gd_mouse_set,
 658    .dpy_cursor_define    = gd_cursor_define,
 659
 660    .dpy_gl_ctx_create       = gd_gl_area_create_context,
 661    .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 662    .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 663    .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
 664    .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
 665    .dpy_gl_update           = gd_gl_area_scanout_flush,
 666};
 667
 668#endif /* CONFIG_GTK_GL */
 669
 670static const DisplayChangeListenerOps dcl_egl_ops = {
 671    .dpy_name             = "gtk-egl",
 672    .dpy_gfx_update       = gd_egl_update,
 673    .dpy_gfx_switch       = gd_egl_switch,
 674    .dpy_gfx_check_format = console_gl_check_format,
 675    .dpy_refresh          = gd_egl_refresh,
 676    .dpy_mouse_set        = gd_mouse_set,
 677    .dpy_cursor_define    = gd_cursor_define,
 678
 679    .dpy_gl_ctx_create       = gd_egl_create_context,
 680    .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 681    .dpy_gl_ctx_make_current = gd_egl_make_current,
 682    .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
 683    .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
 684    .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
 685    .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
 686    .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
 687    .dpy_gl_cursor_position  = gd_egl_cursor_position,
 688    .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
 689    .dpy_gl_update           = gd_egl_scanout_flush,
 690};
 691
 692#endif /* CONFIG_OPENGL */
 693
 694/** QEMU Events **/
 695
 696static void gd_change_runstate(void *opaque, int running, RunState state)
 697{
 698    GtkDisplayState *s = opaque;
 699
 700    gd_update_caption(s);
 701}
 702
 703static void gd_mouse_mode_change(Notifier *notify, void *data)
 704{
 705    GtkDisplayState *s;
 706    int i;
 707
 708    s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 709    /* release the grab at switching to absolute mode */
 710    if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 711        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 712                                       FALSE);
 713    }
 714    for (i = 0; i < s->nb_vcs; i++) {
 715        VirtualConsole *vc = &s->vc[i];
 716        gd_update_cursor(vc);
 717    }
 718}
 719
 720/** GTK Events **/
 721
 722static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 723                                void *opaque)
 724{
 725    GtkDisplayState *s = opaque;
 726    bool allow_close = true;
 727
 728    if (s->opts->has_window_close && !s->opts->window_close) {
 729        allow_close = false;
 730    }
 731
 732    if (allow_close) {
 733        qmp_quit(NULL);
 734    }
 735
 736    return TRUE;
 737}
 738
 739static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 740{
 741    QemuUIInfo info;
 742
 743    memset(&info, 0, sizeof(info));
 744    info.width = width;
 745    info.height = height;
 746    dpy_set_ui_info(vc->gfx.dcl.con, &info);
 747}
 748
 749#if defined(CONFIG_GTK_GL)
 750
 751static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 752                                void *opaque)
 753{
 754    VirtualConsole *vc = opaque;
 755
 756    if (vc->gfx.gls) {
 757        gd_gl_area_draw(vc);
 758    }
 759    return TRUE;
 760}
 761
 762static void gd_resize_event(GtkGLArea *area,
 763                            gint width, gint height, gpointer *opaque)
 764{
 765    VirtualConsole *vc = (void *)opaque;
 766
 767    gd_set_ui_info(vc, width, height);
 768}
 769
 770#endif
 771
 772static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 773{
 774    VirtualConsole *vc = opaque;
 775    GtkDisplayState *s = vc->s;
 776    int mx, my;
 777    int ww, wh;
 778    int fbw, fbh;
 779
 780#if defined(CONFIG_OPENGL)
 781    if (vc->gfx.gls) {
 782        if (gtk_use_gl_area) {
 783            /* invoke render callback please */
 784            return FALSE;
 785        } else {
 786            gd_egl_draw(vc);
 787            return TRUE;
 788        }
 789    }
 790#endif
 791
 792    if (!gtk_widget_get_realized(widget)) {
 793        return FALSE;
 794    }
 795    if (!vc->gfx.ds) {
 796        return FALSE;
 797    }
 798
 799    fbw = surface_width(vc->gfx.ds);
 800    fbh = surface_height(vc->gfx.ds);
 801
 802    ww = gdk_window_get_width(gtk_widget_get_window(widget));
 803    wh = gdk_window_get_height(gtk_widget_get_window(widget));
 804
 805    if (s->full_screen) {
 806        vc->gfx.scale_x = (double)ww / fbw;
 807        vc->gfx.scale_y = (double)wh / fbh;
 808    } else if (s->free_scale) {
 809        double sx, sy;
 810
 811        sx = (double)ww / fbw;
 812        sy = (double)wh / fbh;
 813
 814        vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 815    }
 816
 817    fbw *= vc->gfx.scale_x;
 818    fbh *= vc->gfx.scale_y;
 819
 820    mx = my = 0;
 821    if (ww > fbw) {
 822        mx = (ww - fbw) / 2;
 823    }
 824    if (wh > fbh) {
 825        my = (wh - fbh) / 2;
 826    }
 827
 828    cairo_rectangle(cr, 0, 0, ww, wh);
 829
 830    /* Optionally cut out the inner area where the pixmap
 831       will be drawn. This avoids 'flashing' since we're
 832       not double-buffering. Note we're using the undocumented
 833       behaviour of drawing the rectangle from right to left
 834       to cut out the whole */
 835    cairo_rectangle(cr, mx + fbw, my,
 836                    -1 * fbw, fbh);
 837    cairo_fill(cr);
 838
 839    cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 840    cairo_set_source_surface(cr, vc->gfx.surface,
 841                             mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 842    cairo_paint(cr);
 843
 844    return TRUE;
 845}
 846
 847static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 848                                void *opaque)
 849{
 850    VirtualConsole *vc = opaque;
 851    GtkDisplayState *s = vc->s;
 852    int x, y;
 853    int mx, my;
 854    int fbh, fbw;
 855    int ww, wh;
 856
 857    if (!vc->gfx.ds) {
 858        return TRUE;
 859    }
 860
 861    fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 862    fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 863
 864    ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
 865    wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
 866
 867    mx = my = 0;
 868    if (ww > fbw) {
 869        mx = (ww - fbw) / 2;
 870    }
 871    if (wh > fbh) {
 872        my = (wh - fbh) / 2;
 873    }
 874
 875    x = (motion->x - mx) / vc->gfx.scale_x;
 876    y = (motion->y - my) / vc->gfx.scale_y;
 877
 878    if (qemu_input_is_absolute()) {
 879        if (x < 0 || y < 0 ||
 880            x >= surface_width(vc->gfx.ds) ||
 881            y >= surface_height(vc->gfx.ds)) {
 882            return TRUE;
 883        }
 884        qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 885                             0, surface_width(vc->gfx.ds));
 886        qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 887                             0, surface_height(vc->gfx.ds));
 888        qemu_input_event_sync();
 889    } else if (s->last_set && s->ptr_owner == vc) {
 890        qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 891        qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 892        qemu_input_event_sync();
 893    }
 894    s->last_x = x;
 895    s->last_y = y;
 896    s->last_set = TRUE;
 897
 898    if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 899        GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 900        int screen_width, screen_height;
 901
 902        int x = (int)motion->x_root;
 903        int y = (int)motion->y_root;
 904
 905#if GTK_CHECK_VERSION(3, 22, 0)
 906        {
 907            GdkDisplay *dpy = gtk_widget_get_display(widget);
 908            GdkWindow *win = gtk_widget_get_window(widget);
 909            GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 910            GdkRectangle geometry;
 911            gdk_monitor_get_geometry(monitor, &geometry);
 912            screen_width = geometry.width;
 913            screen_height = geometry.height;
 914        }
 915#else
 916        {
 917            screen_width = gdk_screen_get_width(screen);
 918            screen_height = gdk_screen_get_height(screen);
 919        }
 920#endif
 921
 922        /* In relative mode check to see if client pointer hit
 923         * one of the screen edges, and if so move it back by
 924         * 200 pixels. This is important because the pointer
 925         * in the server doesn't correspond 1-for-1, and so
 926         * may still be only half way across the screen. Without
 927         * this warp, the server pointer would thus appear to hit
 928         * an invisible wall */
 929        if (x == 0) {
 930            x += 200;
 931        }
 932        if (y == 0) {
 933            y += 200;
 934        }
 935        if (x == (screen_width - 1)) {
 936            x -= 200;
 937        }
 938        if (y == (screen_height - 1)) {
 939            y -= 200;
 940        }
 941
 942        if (x != (int)motion->x_root || y != (int)motion->y_root) {
 943            GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 944            gdk_device_warp(dev, screen, x, y);
 945            s->last_set = FALSE;
 946            return FALSE;
 947        }
 948    }
 949    return TRUE;
 950}
 951
 952static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 953                                void *opaque)
 954{
 955    VirtualConsole *vc = opaque;
 956    GtkDisplayState *s = vc->s;
 957    InputButton btn;
 958
 959    /* implicitly grab the input at the first click in the relative mode */
 960    if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 961        !qemu_input_is_absolute() && s->ptr_owner != vc) {
 962        if (!vc->window) {
 963            gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 964                                           TRUE);
 965        } else {
 966            gd_grab_pointer(vc, "relative-mode-click");
 967        }
 968        return TRUE;
 969    }
 970
 971    if (button->button == 1) {
 972        btn = INPUT_BUTTON_LEFT;
 973    } else if (button->button == 2) {
 974        btn = INPUT_BUTTON_MIDDLE;
 975    } else if (button->button == 3) {
 976        btn = INPUT_BUTTON_RIGHT;
 977    } else if (button->button == 8) {
 978        btn = INPUT_BUTTON_SIDE;
 979    } else if (button->button == 9) {
 980        btn = INPUT_BUTTON_EXTRA;
 981    } else {
 982        return TRUE;
 983    }
 984
 985    qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 986                         button->type == GDK_BUTTON_PRESS);
 987    qemu_input_event_sync();
 988    return TRUE;
 989}
 990
 991static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 992                                void *opaque)
 993{
 994    VirtualConsole *vc = opaque;
 995    InputButton btn;
 996
 997    if (scroll->direction == GDK_SCROLL_UP) {
 998        btn = INPUT_BUTTON_WHEEL_UP;
 999    } else if (scroll->direction == GDK_SCROLL_DOWN) {
1000        btn = INPUT_BUTTON_WHEEL_DOWN;
1001    } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1002        gdouble delta_x, delta_y;
1003        if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1004                                         &delta_x, &delta_y)) {
1005            return TRUE;
1006        }
1007        if (delta_y > 0) {
1008            btn = INPUT_BUTTON_WHEEL_DOWN;
1009        } else {
1010            btn = INPUT_BUTTON_WHEEL_UP;
1011        }
1012    } else {
1013        return TRUE;
1014    }
1015
1016    qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1017    qemu_input_event_sync();
1018    qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1019    qemu_input_event_sync();
1020    return TRUE;
1021}
1022
1023
1024static const guint16 *gd_get_keymap(size_t *maplen)
1025{
1026    GdkDisplay *dpy = gdk_display_get_default();
1027
1028#ifdef GDK_WINDOWING_X11
1029    if (GDK_IS_X11_DISPLAY(dpy)) {
1030        trace_gd_keymap_windowing("x11");
1031        return qemu_xkeymap_mapping_table(
1032            gdk_x11_display_get_xdisplay(dpy), maplen);
1033    }
1034#endif
1035
1036#ifdef GDK_WINDOWING_WAYLAND
1037    if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1038        trace_gd_keymap_windowing("wayland");
1039        *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1040        return qemu_input_map_xorgevdev_to_qcode;
1041    }
1042#endif
1043
1044#ifdef GDK_WINDOWING_WIN32
1045    if (GDK_IS_WIN32_DISPLAY(dpy)) {
1046        trace_gd_keymap_windowing("win32");
1047        *maplen = qemu_input_map_win32_to_qcode_len;
1048        return qemu_input_map_win32_to_qcode;
1049    }
1050#endif
1051
1052#ifdef GDK_WINDOWING_QUARTZ
1053    if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1054        trace_gd_keymap_windowing("quartz");
1055        *maplen = qemu_input_map_osx_to_qcode_len;
1056        return qemu_input_map_osx_to_qcode;
1057    }
1058#endif
1059
1060#ifdef GDK_WINDOWING_BROADWAY
1061    if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1062        trace_gd_keymap_windowing("broadway");
1063        g_warning("experimental: using broadway, x11 virtual keysym\n"
1064                  "mapping - with very limited support. See also\n"
1065                  "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1066        *maplen = qemu_input_map_x11_to_qcode_len;
1067        return qemu_input_map_x11_to_qcode;
1068    }
1069#endif
1070
1071    g_warning("Unsupported GDK Windowing platform.\n"
1072              "Disabling extended keycode tables.\n"
1073              "Please report to qemu-devel@nongnu.org\n"
1074              "including the following information:\n"
1075              "\n"
1076              "  - Operating system\n"
1077              "  - GDK Windowing system build\n");
1078    return NULL;
1079}
1080
1081
1082static int gd_map_keycode(int scancode)
1083{
1084    if (!keycode_map) {
1085        return 0;
1086    }
1087    if (scancode > keycode_maplen) {
1088        return 0;
1089    }
1090
1091    return keycode_map[scancode];
1092}
1093
1094static gboolean gd_text_key_down(GtkWidget *widget,
1095                                 GdkEventKey *key, void *opaque)
1096{
1097    VirtualConsole *vc = opaque;
1098    QemuConsole *con = vc->gfx.dcl.con;
1099
1100    if (key->keyval == GDK_KEY_Delete) {
1101        kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1102    } else if (key->length) {
1103        kbd_put_string_console(con, key->string, key->length);
1104    } else {
1105        int qcode = gd_map_keycode(key->hardware_keycode);
1106        kbd_put_qcode_console(con, qcode, false);
1107    }
1108    return TRUE;
1109}
1110
1111static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1112{
1113    VirtualConsole *vc = opaque;
1114    GtkDisplayState *s = vc->s;
1115    int qcode;
1116    int i;
1117
1118    if (s->ignore_keys) {
1119        s->ignore_keys = (key->type == GDK_KEY_PRESS);
1120        return TRUE;
1121    }
1122
1123#ifdef WIN32
1124    /* on windows, we ought to ignore the reserved key event? */
1125    if (key->hardware_keycode == 0xff)
1126        return false;
1127#endif
1128
1129    if (key->keyval == GDK_KEY_Pause
1130#ifdef G_OS_WIN32
1131        /* for some reason GDK does not fill keyval for VK_PAUSE
1132         * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1133         */
1134        || key->hardware_keycode == VK_PAUSE
1135#endif
1136        ) {
1137        qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1138                                        key->type == GDK_KEY_PRESS);
1139        return TRUE;
1140    }
1141
1142    qcode = gd_map_keycode(key->hardware_keycode);
1143
1144    trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1145                       (key->type == GDK_KEY_PRESS) ? "down" : "up");
1146
1147    for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1148        if (qcode == modifier_keycode[i]) {
1149            s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1150        }
1151    }
1152
1153    qemu_input_event_send_key_qcode(vc->gfx.dcl.con, qcode,
1154                                    key->type == GDK_KEY_PRESS);
1155
1156    return TRUE;
1157}
1158
1159static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1160{
1161    if (event->type == GDK_MOTION_NOTIFY) {
1162        return gd_motion_event(widget, &event->motion, opaque);
1163    }
1164    return FALSE;
1165}
1166
1167/** Window Menu Actions **/
1168
1169static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1170{
1171    GtkDisplayState *s = opaque;
1172
1173    if (s->external_pause_update) {
1174        return;
1175    }
1176    if (runstate_is_running()) {
1177        qmp_stop(NULL);
1178    } else {
1179        qmp_cont(NULL);
1180    }
1181}
1182
1183static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1184{
1185    qmp_system_reset(NULL);
1186}
1187
1188static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1189{
1190    qmp_system_powerdown(NULL);
1191}
1192
1193static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1194{
1195    qmp_quit(NULL);
1196}
1197
1198static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1199{
1200    GtkDisplayState *s = opaque;
1201    VirtualConsole *vc = gd_vc_find_by_menu(s);
1202    GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1203    gint page;
1204
1205    gtk_release_modifiers(s);
1206    if (vc) {
1207        page = gtk_notebook_page_num(nb, vc->tab_item);
1208        gtk_notebook_set_current_page(nb, page);
1209        gtk_widget_grab_focus(vc->focus);
1210    }
1211    s->ignore_keys = false;
1212}
1213
1214static void gd_accel_switch_vc(void *opaque)
1215{
1216    VirtualConsole *vc = opaque;
1217
1218    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1219}
1220
1221static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1222{
1223    GtkDisplayState *s = opaque;
1224    VirtualConsole *vc = gd_vc_find_current(s);
1225
1226    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1227        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1228    } else {
1229        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1230    }
1231    gd_update_windowsize(vc);
1232}
1233
1234static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1235                                    void *opaque)
1236{
1237    VirtualConsole *vc = opaque;
1238    GtkDisplayState *s = vc->s;
1239
1240    gtk_widget_set_sensitive(vc->menu_item, true);
1241    gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1242    gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1243                                    vc->tab_item, vc->label);
1244    gtk_widget_destroy(vc->window);
1245    vc->window = NULL;
1246    return TRUE;
1247}
1248
1249static gboolean gd_win_grab(void *opaque)
1250{
1251    VirtualConsole *vc = opaque;
1252
1253    fprintf(stderr, "%s: %s\n", __func__, vc->label);
1254    if (vc->s->ptr_owner) {
1255        gd_ungrab_pointer(vc->s);
1256    } else {
1257        gd_grab_pointer(vc, "user-request-detached-tab");
1258    }
1259    return TRUE;
1260}
1261
1262static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1263{
1264    GtkDisplayState *s = opaque;
1265    VirtualConsole *vc = gd_vc_find_current(s);
1266
1267    if (vc->type == GD_VC_GFX &&
1268        qemu_console_is_graphic(vc->gfx.dcl.con)) {
1269        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1270                                       FALSE);
1271    }
1272    if (!vc->window) {
1273        gtk_widget_set_sensitive(vc->menu_item, false);
1274        vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1275        gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1276
1277        g_signal_connect(vc->window, "delete-event",
1278                         G_CALLBACK(gd_tab_window_close), vc);
1279        gtk_widget_show_all(vc->window);
1280
1281        if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1282            GtkAccelGroup *ag = gtk_accel_group_new();
1283            gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1284
1285            GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1286                                               vc, NULL);
1287            gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1288        }
1289
1290        gd_update_geometry_hints(vc);
1291        gd_update_caption(s);
1292    }
1293}
1294
1295static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1296{
1297    GtkDisplayState *s = opaque;
1298    VirtualConsole *vc = gd_vc_find_current(s);
1299
1300    if (s->full_screen) {
1301        return;
1302    }
1303
1304    if (gtk_check_menu_item_get_active(
1305                GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1306        gtk_widget_show(s->menu_bar);
1307    } else {
1308        gtk_widget_hide(s->menu_bar);
1309    }
1310    gd_update_windowsize(vc);
1311}
1312
1313static void gd_accel_show_menubar(void *opaque)
1314{
1315    GtkDisplayState *s = opaque;
1316    gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1317}
1318
1319static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1320{
1321    GtkDisplayState *s = opaque;
1322    VirtualConsole *vc = gd_vc_find_current(s);
1323
1324    if (!s->full_screen) {
1325        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1326        gtk_widget_hide(s->menu_bar);
1327        if (vc->type == GD_VC_GFX) {
1328            gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1329        }
1330        gtk_window_fullscreen(GTK_WINDOW(s->window));
1331        s->full_screen = TRUE;
1332    } else {
1333        gtk_window_unfullscreen(GTK_WINDOW(s->window));
1334        gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1335        if (gtk_check_menu_item_get_active(
1336                    GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1337            gtk_widget_show(s->menu_bar);
1338        }
1339        s->full_screen = FALSE;
1340        if (vc->type == GD_VC_GFX) {
1341            vc->gfx.scale_x = 1.0;
1342            vc->gfx.scale_y = 1.0;
1343            gd_update_windowsize(vc);
1344        }
1345    }
1346
1347    gd_update_cursor(vc);
1348}
1349
1350static void gd_accel_full_screen(void *opaque)
1351{
1352    GtkDisplayState *s = opaque;
1353    gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1354}
1355
1356static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1357{
1358    GtkDisplayState *s = opaque;
1359    VirtualConsole *vc = gd_vc_find_current(s);
1360
1361    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1362                                   FALSE);
1363
1364    vc->gfx.scale_x += VC_SCALE_STEP;
1365    vc->gfx.scale_y += VC_SCALE_STEP;
1366
1367    gd_update_windowsize(vc);
1368}
1369
1370static void gd_accel_zoom_in(void *opaque)
1371{
1372    GtkDisplayState *s = opaque;
1373    gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1374}
1375
1376static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1377{
1378    GtkDisplayState *s = opaque;
1379    VirtualConsole *vc = gd_vc_find_current(s);
1380
1381    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1382                                   FALSE);
1383
1384    vc->gfx.scale_x -= VC_SCALE_STEP;
1385    vc->gfx.scale_y -= VC_SCALE_STEP;
1386
1387    vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1388    vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1389
1390    gd_update_windowsize(vc);
1391}
1392
1393static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1394{
1395    GtkDisplayState *s = opaque;
1396    VirtualConsole *vc = gd_vc_find_current(s);
1397
1398    vc->gfx.scale_x = 1.0;
1399    vc->gfx.scale_y = 1.0;
1400
1401    gd_update_windowsize(vc);
1402}
1403
1404static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1405{
1406    GtkDisplayState *s = opaque;
1407    VirtualConsole *vc = gd_vc_find_current(s);
1408
1409    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1410        s->free_scale = TRUE;
1411    } else {
1412        s->free_scale = FALSE;
1413        vc->gfx.scale_x = 1.0;
1414        vc->gfx.scale_y = 1.0;
1415    }
1416
1417    gd_update_windowsize(vc);
1418    gd_update_full_redraw(vc);
1419}
1420
1421#if GTK_CHECK_VERSION(3, 20, 0)
1422static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1423{
1424    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1425    GdkSeat *seat = gdk_display_get_default_seat(display);
1426    GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1427    GdkSeatCapabilities caps = 0;
1428    GdkCursor *cursor = NULL;
1429
1430    if (kbd) {
1431        caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1432    }
1433    if (ptr) {
1434        caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1435        cursor = vc->s->null_cursor;
1436    }
1437
1438    if (caps) {
1439        gdk_seat_grab(seat, window, caps, false, cursor,
1440                      NULL, NULL, NULL);
1441    } else {
1442        gdk_seat_ungrab(seat);
1443    }
1444}
1445#else
1446static void gd_grab_devices(VirtualConsole *vc, bool grab,
1447                            GdkInputSource source, GdkEventMask mask,
1448                            GdkCursor *cursor)
1449{
1450    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1451    GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1452    GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1453    GList *tmp = devs;
1454
1455    for (tmp = devs; tmp; tmp = tmp->next) {
1456        GdkDevice *dev = tmp->data;
1457        if (gdk_device_get_source(dev) != source) {
1458            continue;
1459        }
1460        if (grab) {
1461            GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1462            gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1463                            mask, cursor, GDK_CURRENT_TIME);
1464        } else {
1465            gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1466        }
1467    }
1468    g_list_free(devs);
1469}
1470#endif
1471
1472static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1473{
1474    if (vc->s->kbd_owner) {
1475        if (vc->s->kbd_owner == vc) {
1476            return;
1477        } else {
1478            gd_ungrab_keyboard(vc->s);
1479        }
1480    }
1481
1482#if GTK_CHECK_VERSION(3, 20, 0)
1483    gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1484#else
1485    gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1486                   GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1487                   NULL);
1488#endif
1489    vc->s->kbd_owner = vc;
1490    gd_update_caption(vc->s);
1491    trace_gd_grab(vc->label, "kbd", reason);
1492}
1493
1494static void gd_ungrab_keyboard(GtkDisplayState *s)
1495{
1496    VirtualConsole *vc = s->kbd_owner;
1497
1498    if (vc == NULL) {
1499        return;
1500    }
1501    s->kbd_owner = NULL;
1502
1503#if GTK_CHECK_VERSION(3, 20, 0)
1504    gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1505#else
1506    gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1507#endif
1508    gd_update_caption(s);
1509    trace_gd_ungrab(vc->label, "kbd");
1510}
1511
1512static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1513{
1514    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1515
1516    if (vc->s->ptr_owner) {
1517        if (vc->s->ptr_owner == vc) {
1518            return;
1519        } else {
1520            gd_ungrab_pointer(vc->s);
1521        }
1522    }
1523
1524#if GTK_CHECK_VERSION(3, 20, 0)
1525    gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1526    gdk_device_get_position(gd_get_pointer(display),
1527                            NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1528#else
1529    gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1530                    GDK_POINTER_MOTION_MASK |
1531                    GDK_BUTTON_PRESS_MASK |
1532                    GDK_BUTTON_RELEASE_MASK |
1533                    GDK_BUTTON_MOTION_MASK |
1534                    GDK_SCROLL_MASK,
1535                    vc->s->null_cursor);
1536    gdk_device_get_position(gd_get_pointer(display),
1537                            NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1538#endif
1539    vc->s->ptr_owner = vc;
1540    gd_update_caption(vc->s);
1541    trace_gd_grab(vc->label, "ptr", reason);
1542}
1543
1544static void gd_ungrab_pointer(GtkDisplayState *s)
1545{
1546    VirtualConsole *vc = s->ptr_owner;
1547    GdkDisplay *display;
1548
1549    if (vc == NULL) {
1550        return;
1551    }
1552    s->ptr_owner = NULL;
1553
1554    display = gtk_widget_get_display(vc->gfx.drawing_area);
1555#if GTK_CHECK_VERSION(3, 20, 0)
1556    gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1557    gdk_device_warp(gd_get_pointer(display),
1558                    gtk_widget_get_screen(vc->gfx.drawing_area),
1559                    vc->s->grab_x_root, vc->s->grab_y_root);
1560#else
1561    gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1562    gdk_device_warp(gd_get_pointer(display),
1563                    gtk_widget_get_screen(vc->gfx.drawing_area),
1564                    vc->s->grab_x_root, vc->s->grab_y_root);
1565#endif
1566    gd_update_caption(s);
1567    trace_gd_ungrab(vc->label, "ptr");
1568}
1569
1570static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1571{
1572    GtkDisplayState *s = opaque;
1573    VirtualConsole *vc = gd_vc_find_current(s);
1574
1575    if (gd_is_grab_active(s)) {
1576        gd_grab_keyboard(vc, "user-request-main-window");
1577        gd_grab_pointer(vc, "user-request-main-window");
1578    } else {
1579        gd_ungrab_keyboard(s);
1580        gd_ungrab_pointer(s);
1581    }
1582
1583    gd_update_cursor(vc);
1584}
1585
1586static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1587                           gpointer data)
1588{
1589    GtkDisplayState *s = data;
1590    VirtualConsole *vc;
1591    gboolean on_vga;
1592
1593    if (!gtk_widget_get_realized(s->notebook)) {
1594        return;
1595    }
1596
1597    vc = gd_vc_find_by_page(s, arg2);
1598    if (!vc) {
1599        return;
1600    }
1601    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1602                                   TRUE);
1603    on_vga = (vc->type == GD_VC_GFX &&
1604              qemu_console_is_graphic(vc->gfx.dcl.con));
1605    if (!on_vga) {
1606        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1607                                       FALSE);
1608    } else if (s->full_screen) {
1609        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1610                                       TRUE);
1611    }
1612    gtk_widget_set_sensitive(s->grab_item, on_vga);
1613#ifdef CONFIG_VTE
1614    gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1615#endif
1616
1617    gd_update_windowsize(vc);
1618    gd_update_cursor(vc);
1619}
1620
1621static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1622                               gpointer opaque)
1623{
1624    VirtualConsole *vc = opaque;
1625    GtkDisplayState *s = vc->s;
1626
1627    if (gd_grab_on_hover(s)) {
1628        gd_grab_keyboard(vc, "grab-on-hover");
1629    }
1630    return TRUE;
1631}
1632
1633static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1634                               gpointer opaque)
1635{
1636    VirtualConsole *vc = opaque;
1637    GtkDisplayState *s = vc->s;
1638
1639    if (gd_grab_on_hover(s)) {
1640        gd_ungrab_keyboard(s);
1641    }
1642    return TRUE;
1643}
1644
1645static gboolean gd_focus_out_event(GtkWidget *widget,
1646                                   GdkEventCrossing *crossing, gpointer opaque)
1647{
1648    VirtualConsole *vc = opaque;
1649    GtkDisplayState *s = vc->s;
1650
1651    gtk_release_modifiers(s);
1652    return TRUE;
1653}
1654
1655static gboolean gd_configure(GtkWidget *widget,
1656                             GdkEventConfigure *cfg, gpointer opaque)
1657{
1658    VirtualConsole *vc = opaque;
1659
1660    gd_set_ui_info(vc, cfg->width, cfg->height);
1661    return FALSE;
1662}
1663
1664/** Virtual Console Callbacks **/
1665
1666static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1667                               int idx, GSList *group, GtkWidget *view_menu)
1668{
1669    vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1670    gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1671            HOTKEY_MODIFIERS, 0,
1672            g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1673    gtk_accel_label_set_accel(
1674            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1675            GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1676
1677    g_signal_connect(vc->menu_item, "activate",
1678                     G_CALLBACK(gd_menu_switch_vc), s);
1679    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1680
1681    group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1682    return group;
1683}
1684
1685#if defined(CONFIG_VTE)
1686static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1687{
1688    GtkDisplayState *s = opaque;
1689    VirtualConsole *vc = gd_vc_find_current(s);
1690
1691#if VTE_CHECK_VERSION(0, 50, 0)
1692    vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1693                                       VTE_FORMAT_TEXT);
1694#else
1695    vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1696#endif
1697}
1698
1699static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1700{
1701    VirtualConsole *vc = opaque;
1702
1703    if (gtk_adjustment_get_upper(adjustment) >
1704        gtk_adjustment_get_page_size(adjustment)) {
1705        gtk_widget_show(vc->vte.scrollbar);
1706    } else {
1707        gtk_widget_hide(vc->vte.scrollbar);
1708    }
1709}
1710
1711static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1712{
1713    VCChardev *vcd = VC_CHARDEV(chr);
1714    VirtualConsole *vc = vcd->console;
1715
1716    vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1717    return len;
1718}
1719
1720static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1721{
1722    VCChardev *vcd = VC_CHARDEV(chr);
1723    VirtualConsole *vc = vcd->console;
1724
1725    if (vc) {
1726        vc->vte.echo = echo;
1727    } else {
1728        vcd->echo = echo;
1729    }
1730}
1731
1732static int nb_vcs;
1733static Chardev *vcs[MAX_VCS];
1734static void gd_vc_open(Chardev *chr,
1735                       ChardevBackend *backend,
1736                       bool *be_opened,
1737                       Error **errp)
1738{
1739    if (nb_vcs == MAX_VCS) {
1740        error_setg(errp, "Maximum number of consoles reached");
1741        return;
1742    }
1743
1744    vcs[nb_vcs++] = chr;
1745
1746    /* console/chardev init sometimes completes elsewhere in a 2nd
1747     * stage, so defer OPENED events until they are fully initialized
1748     */
1749    *be_opened = false;
1750}
1751
1752static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1753{
1754    ChardevClass *cc = CHARDEV_CLASS(oc);
1755
1756    cc->parse = qemu_chr_parse_vc;
1757    cc->open = gd_vc_open;
1758    cc->chr_write = gd_vc_chr_write;
1759    cc->chr_set_echo = gd_vc_chr_set_echo;
1760}
1761
1762static const TypeInfo char_gd_vc_type_info = {
1763    .name = TYPE_CHARDEV_VC,
1764    .parent = TYPE_CHARDEV,
1765    .instance_size = sizeof(VCChardev),
1766    .class_init = char_gd_vc_class_init,
1767};
1768
1769static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1770                         gpointer user_data)
1771{
1772    VirtualConsole *vc = user_data;
1773
1774    if (vc->vte.echo) {
1775        VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1776        int i;
1777        for (i = 0; i < size; i++) {
1778            uint8_t c = text[i];
1779            if (c >= 128 || isprint(c)) {
1780                /* 8-bit characters are considered printable.  */
1781                vte_terminal_feed(term, &text[i], 1);
1782            } else if (c == '\r' || c == '\n') {
1783                vte_terminal_feed(term, "\r\n", 2);
1784            } else {
1785                char ctrl[2] = { '^', 0};
1786                ctrl[1] = text[i] ^ 64;
1787                vte_terminal_feed(term, ctrl, 2);
1788            }
1789        }
1790    }
1791
1792    qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1793    return TRUE;
1794}
1795
1796static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1797                              Chardev *chr, int idx,
1798                              GSList *group, GtkWidget *view_menu)
1799{
1800    char buffer[32];
1801    GtkWidget *box;
1802    GtkWidget *scrollbar;
1803    GtkAdjustment *vadjustment;
1804    VCChardev *vcd = VC_CHARDEV(chr);
1805
1806    vc->s = s;
1807    vc->vte.echo = vcd->echo;
1808    vc->vte.chr = chr;
1809    vcd->console = vc;
1810
1811    snprintf(buffer, sizeof(buffer), "vc%d", idx);
1812    vc->label = g_strdup_printf("%s", vc->vte.chr->label
1813                                ? vc->vte.chr->label : buffer);
1814    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1815
1816    vc->vte.terminal = vte_terminal_new();
1817    g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1818
1819    /* The documentation says that the default is UTF-8, but actually it is
1820     * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1821     * VTE 0.54 (only UTF-8 is supported now). */
1822#if !VTE_CHECK_VERSION(0, 54, 0)
1823#if VTE_CHECK_VERSION(0, 38, 0)
1824    vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1825#else
1826    vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1827#endif
1828#endif
1829
1830    vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1831    vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1832                          VC_TERM_X_MIN, VC_TERM_Y_MIN);
1833
1834#if VTE_CHECK_VERSION(0, 28, 0)
1835    vadjustment = gtk_scrollable_get_vadjustment
1836        (GTK_SCROLLABLE(vc->vte.terminal));
1837#else
1838    vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1839#endif
1840
1841    box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1842    scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1843
1844    gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1845    gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1846
1847    vc->vte.box = box;
1848    vc->vte.scrollbar = scrollbar;
1849
1850    g_signal_connect(vadjustment, "changed",
1851                     G_CALLBACK(gd_vc_adjustment_changed), vc);
1852
1853    vc->type = GD_VC_VTE;
1854    vc->tab_item = box;
1855    vc->focus = vc->vte.terminal;
1856    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1857                             gtk_label_new(vc->label));
1858
1859    qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1860
1861    return group;
1862}
1863
1864static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1865                        GtkWidget *view_menu)
1866{
1867    int i;
1868
1869    for (i = 0; i < nb_vcs; i++) {
1870        VirtualConsole *vc = &s->vc[s->nb_vcs];
1871        group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1872        s->nb_vcs++;
1873    }
1874}
1875#endif /* CONFIG_VTE */
1876
1877/** Window Creation **/
1878
1879static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1880{
1881    g_signal_connect(vc->gfx.drawing_area, "draw",
1882                     G_CALLBACK(gd_draw_event), vc);
1883#if defined(CONFIG_GTK_GL)
1884    if (gtk_use_gl_area) {
1885        /* wire up GtkGlArea events */
1886        g_signal_connect(vc->gfx.drawing_area, "render",
1887                         G_CALLBACK(gd_render_event), vc);
1888        g_signal_connect(vc->gfx.drawing_area, "resize",
1889                         G_CALLBACK(gd_resize_event), vc);
1890    }
1891#endif
1892    if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1893        g_signal_connect(vc->gfx.drawing_area, "event",
1894                         G_CALLBACK(gd_event), vc);
1895        g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1896                         G_CALLBACK(gd_button_event), vc);
1897        g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1898                         G_CALLBACK(gd_button_event), vc);
1899        g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1900                         G_CALLBACK(gd_scroll_event), vc);
1901        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1902                         G_CALLBACK(gd_key_event), vc);
1903        g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1904                         G_CALLBACK(gd_key_event), vc);
1905
1906        g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1907                         G_CALLBACK(gd_enter_event), vc);
1908        g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1909                         G_CALLBACK(gd_leave_event), vc);
1910        g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1911                         G_CALLBACK(gd_focus_out_event), vc);
1912        g_signal_connect(vc->gfx.drawing_area, "configure-event",
1913                         G_CALLBACK(gd_configure), vc);
1914    } else {
1915        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1916                         G_CALLBACK(gd_text_key_down), vc);
1917    }
1918}
1919
1920static void gd_connect_signals(GtkDisplayState *s)
1921{
1922    g_signal_connect(s->show_tabs_item, "activate",
1923                     G_CALLBACK(gd_menu_show_tabs), s);
1924    g_signal_connect(s->untabify_item, "activate",
1925                     G_CALLBACK(gd_menu_untabify), s);
1926    g_signal_connect(s->show_menubar_item, "activate",
1927                     G_CALLBACK(gd_menu_show_menubar), s);
1928
1929    g_signal_connect(s->window, "delete-event",
1930                     G_CALLBACK(gd_window_close), s);
1931
1932    g_signal_connect(s->pause_item, "activate",
1933                     G_CALLBACK(gd_menu_pause), s);
1934    g_signal_connect(s->reset_item, "activate",
1935                     G_CALLBACK(gd_menu_reset), s);
1936    g_signal_connect(s->powerdown_item, "activate",
1937                     G_CALLBACK(gd_menu_powerdown), s);
1938    g_signal_connect(s->quit_item, "activate",
1939                     G_CALLBACK(gd_menu_quit), s);
1940#if defined(CONFIG_VTE)
1941    g_signal_connect(s->copy_item, "activate",
1942                     G_CALLBACK(gd_menu_copy), s);
1943#endif
1944    g_signal_connect(s->full_screen_item, "activate",
1945                     G_CALLBACK(gd_menu_full_screen), s);
1946    g_signal_connect(s->zoom_in_item, "activate",
1947                     G_CALLBACK(gd_menu_zoom_in), s);
1948    g_signal_connect(s->zoom_out_item, "activate",
1949                     G_CALLBACK(gd_menu_zoom_out), s);
1950    g_signal_connect(s->zoom_fixed_item, "activate",
1951                     G_CALLBACK(gd_menu_zoom_fixed), s);
1952    g_signal_connect(s->zoom_fit_item, "activate",
1953                     G_CALLBACK(gd_menu_zoom_fit), s);
1954    g_signal_connect(s->grab_item, "activate",
1955                     G_CALLBACK(gd_menu_grab_input), s);
1956    g_signal_connect(s->notebook, "switch-page",
1957                     G_CALLBACK(gd_change_page), s);
1958}
1959
1960static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1961{
1962    GtkWidget *machine_menu;
1963    GtkWidget *separator;
1964
1965    machine_menu = gtk_menu_new();
1966    gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1967
1968    s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1969    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1970
1971    separator = gtk_separator_menu_item_new();
1972    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1973
1974    s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1975    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1976
1977    s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1978    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1979
1980    separator = gtk_separator_menu_item_new();
1981    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1982
1983    s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1984    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1985                                 "<QEMU>/Machine/Quit");
1986    gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1987                            GDK_KEY_q, HOTKEY_MODIFIERS);
1988    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1989
1990    return machine_menu;
1991}
1992
1993static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1994                              QemuConsole *con, int idx,
1995                              GSList *group, GtkWidget *view_menu)
1996{
1997    bool zoom_to_fit = false;
1998
1999    vc->label = qemu_console_get_label(con);
2000    vc->s = s;
2001    vc->gfx.scale_x = 1.0;
2002    vc->gfx.scale_y = 1.0;
2003
2004#if defined(CONFIG_OPENGL)
2005    if (display_opengl) {
2006#if defined(CONFIG_GTK_GL)
2007        if (gtk_use_gl_area) {
2008            vc->gfx.drawing_area = gtk_gl_area_new();
2009            vc->gfx.dcl.ops = &dcl_gl_area_ops;
2010        } else
2011#endif /* CONFIG_GTK_GL */
2012        {
2013            vc->gfx.drawing_area = gtk_drawing_area_new();
2014            /*
2015             * gtk_widget_set_double_buffered() was deprecated in 3.14.
2016             * It is required for opengl rendering on X11 though.  A
2017             * proper replacement (native opengl support) is only
2018             * available in 3.16+.  Silence the warning if possible.
2019             */
2020#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2021#pragma GCC diagnostic push
2022#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2023#endif
2024            gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2025#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
2026#pragma GCC diagnostic pop
2027#endif
2028            vc->gfx.dcl.ops = &dcl_egl_ops;
2029        }
2030    } else
2031#endif
2032    {
2033        vc->gfx.drawing_area = gtk_drawing_area_new();
2034        vc->gfx.dcl.ops = &dcl_ops;
2035    }
2036
2037
2038    gtk_widget_add_events(vc->gfx.drawing_area,
2039                          GDK_POINTER_MOTION_MASK |
2040                          GDK_BUTTON_PRESS_MASK |
2041                          GDK_BUTTON_RELEASE_MASK |
2042                          GDK_BUTTON_MOTION_MASK |
2043                          GDK_ENTER_NOTIFY_MASK |
2044                          GDK_LEAVE_NOTIFY_MASK |
2045                          GDK_SCROLL_MASK |
2046                          GDK_KEY_PRESS_MASK);
2047    gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2048
2049    vc->type = GD_VC_GFX;
2050    vc->tab_item = vc->gfx.drawing_area;
2051    vc->focus = vc->gfx.drawing_area;
2052    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2053                             vc->tab_item, gtk_label_new(vc->label));
2054
2055    vc->gfx.dcl.con = con;
2056    register_displaychangelistener(&vc->gfx.dcl);
2057
2058    gd_connect_vc_gfx_signals(vc);
2059    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2060
2061    if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2062        zoom_to_fit = true;
2063    }
2064    if (s->opts->u.gtk.has_zoom_to_fit) {
2065        zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2066    }
2067    if (zoom_to_fit) {
2068        gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2069        s->free_scale = true;
2070    }
2071
2072    return group;
2073}
2074
2075static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2076{
2077    GSList *group = NULL;
2078    GtkWidget *view_menu;
2079    GtkWidget *separator;
2080    QemuConsole *con;
2081    int vc;
2082
2083    view_menu = gtk_menu_new();
2084    gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2085
2086    s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2087
2088#if defined(CONFIG_VTE)
2089    s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2090    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2091#endif
2092
2093    gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2094            g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2095    gtk_accel_label_set_accel(
2096            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2097            GDK_KEY_f, HOTKEY_MODIFIERS);
2098    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2099
2100    separator = gtk_separator_menu_item_new();
2101    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2102
2103    s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2104    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2105                                 "<QEMU>/View/Zoom In");
2106    gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2107                            HOTKEY_MODIFIERS);
2108    gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2109            g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2110    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2111
2112    s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2113    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2114                                 "<QEMU>/View/Zoom Out");
2115    gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2116                            HOTKEY_MODIFIERS);
2117    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2118
2119    s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2120    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2121                                 "<QEMU>/View/Zoom Fixed");
2122    gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2123                            HOTKEY_MODIFIERS);
2124    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2125
2126    s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2127    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2128
2129    separator = gtk_separator_menu_item_new();
2130    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2131
2132    s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2133    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2134
2135    s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2136    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2137                                 "<QEMU>/View/Grab Input");
2138    gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2139                            HOTKEY_MODIFIERS);
2140    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2141
2142    separator = gtk_separator_menu_item_new();
2143    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2144
2145    /* gfx */
2146    for (vc = 0;; vc++) {
2147        con = qemu_console_lookup_by_index(vc);
2148        if (!con) {
2149            break;
2150        }
2151        group = gd_vc_gfx_init(s, &s->vc[vc], con,
2152                               vc, group, view_menu);
2153        s->nb_vcs++;
2154    }
2155
2156#if defined(CONFIG_VTE)
2157    /* vte */
2158    gd_vcs_init(s, group, view_menu);
2159#endif
2160
2161    separator = gtk_separator_menu_item_new();
2162    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2163
2164    s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2165    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2166
2167    s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2168    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2169
2170    s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2171            _("Show Menubar"));
2172    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2173                                   TRUE);
2174    gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2175            g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2176    gtk_accel_label_set_accel(
2177            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2178            GDK_KEY_m, HOTKEY_MODIFIERS);
2179    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2180
2181    return view_menu;
2182}
2183
2184static void gd_create_menus(GtkDisplayState *s)
2185{
2186    GtkSettings *settings;
2187
2188    s->accel_group = gtk_accel_group_new();
2189    s->machine_menu = gd_create_menu_machine(s);
2190    s->view_menu = gd_create_menu_view(s);
2191
2192    s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2193    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2194                              s->machine_menu);
2195    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2196
2197    s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2198    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2199    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2200
2201    g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2202    gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2203
2204    /* Disable the default "F10" menu shortcut. */
2205    settings = gtk_widget_get_settings(s->window);
2206    g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2207}
2208
2209
2210static gboolean gtkinit;
2211
2212static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2213{
2214    VirtualConsole *vc;
2215
2216    GtkDisplayState *s = g_malloc0(sizeof(*s));
2217    char *filename;
2218    GdkDisplay *window_display;
2219
2220    if (!gtkinit) {
2221        fprintf(stderr, "gtk initialization failed\n");
2222        exit(1);
2223    }
2224    assert(opts->type == DISPLAY_TYPE_GTK);
2225    s->opts = opts;
2226
2227    s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2228    s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2229    s->notebook = gtk_notebook_new();
2230    s->menu_bar = gtk_menu_bar_new();
2231
2232    s->free_scale = FALSE;
2233
2234    /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2235     * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2236     * printable, but without changing any of the character classes to make
2237     * sure that we don't accidentally break implicit assumptions.  */
2238    setlocale(LC_MESSAGES, "");
2239    setlocale(LC_CTYPE, "C.UTF-8");
2240    bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2241    textdomain("qemu");
2242
2243    window_display = gtk_widget_get_display(s->window);
2244    s->null_cursor = gdk_cursor_new_for_display(window_display,
2245                                                GDK_BLANK_CURSOR);
2246
2247    s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2248    qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2249    qemu_add_vm_change_state_handler(gd_change_runstate, s);
2250
2251    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2252    if (filename) {
2253        GError *error = NULL;
2254        GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2255        if (pixbuf) {
2256            gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2257        } else {
2258            g_error_free(error);
2259        }
2260        g_free(filename);
2261    }
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