qemu/ui/gtk.c
<<
>>
Prefs
   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_OPENGL)
 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, surface_width(surface), surface_height(surface));
 551
 552    if (vc->gfx.surface) {
 553        cairo_surface_destroy(vc->gfx.surface);
 554        vc->gfx.surface = NULL;
 555    }
 556    if (vc->gfx.convert) {
 557        pixman_image_unref(vc->gfx.convert);
 558        vc->gfx.convert = NULL;
 559    }
 560
 561    if (vc->gfx.ds &&
 562        surface_width(vc->gfx.ds) == surface_width(surface) &&
 563        surface_height(vc->gfx.ds) == surface_height(surface)) {
 564        resized = false;
 565    }
 566    vc->gfx.ds = surface;
 567
 568    if (surface->format == PIXMAN_x8r8g8b8) {
 569        /*
 570         * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 571         *
 572         * No need to convert, use surface directly.  Should be the
 573         * common case as this is qemu_default_pixelformat(32) too.
 574         */
 575        vc->gfx.surface = cairo_image_surface_create_for_data
 576            (surface_data(surface),
 577             CAIRO_FORMAT_RGB24,
 578             surface_width(surface),
 579             surface_height(surface),
 580             surface_stride(surface));
 581    } else {
 582        /* Must convert surface, use pixman to do it. */
 583        vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 584                                                   surface_width(surface),
 585                                                   surface_height(surface),
 586                                                   NULL, 0);
 587        vc->gfx.surface = cairo_image_surface_create_for_data
 588            ((void *)pixman_image_get_data(vc->gfx.convert),
 589             CAIRO_FORMAT_RGB24,
 590             pixman_image_get_width(vc->gfx.convert),
 591             pixman_image_get_height(vc->gfx.convert),
 592             pixman_image_get_stride(vc->gfx.convert));
 593        pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 594                               NULL, vc->gfx.convert,
 595                               0, 0, 0, 0, 0, 0,
 596                               pixman_image_get_width(vc->gfx.convert),
 597                               pixman_image_get_height(vc->gfx.convert));
 598    }
 599
 600    if (resized) {
 601        gd_update_windowsize(vc);
 602    } else {
 603        gd_update_full_redraw(vc);
 604    }
 605}
 606
 607static const DisplayChangeListenerOps dcl_ops = {
 608    .dpy_name             = "gtk",
 609    .dpy_gfx_update       = gd_update,
 610    .dpy_gfx_switch       = gd_switch,
 611    .dpy_gfx_check_format = qemu_pixman_check_format,
 612    .dpy_refresh          = gd_refresh,
 613    .dpy_mouse_set        = gd_mouse_set,
 614    .dpy_cursor_define    = gd_cursor_define,
 615};
 616
 617
 618#if defined(CONFIG_OPENGL)
 619
 620static bool gd_has_dmabuf(DisplayChangeListener *dcl)
 621{
 622    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 623
 624    if (gtk_use_gl_area && !gtk_widget_get_realized(vc->gfx.drawing_area)) {
 625        /* FIXME: Assume it will work, actual check done after realize */
 626        /* fixing this would require delaying listener registration */
 627        return true;
 628    }
 629
 630    return vc->gfx.has_dmabuf;
 631}
 632
 633/** DisplayState Callbacks (opengl version) **/
 634
 635static const DisplayChangeListenerOps dcl_gl_area_ops = {
 636    .dpy_name             = "gtk-egl",
 637    .dpy_gfx_update       = gd_gl_area_update,
 638    .dpy_gfx_switch       = gd_gl_area_switch,
 639    .dpy_gfx_check_format = console_gl_check_format,
 640    .dpy_refresh          = gd_gl_area_refresh,
 641    .dpy_mouse_set        = gd_mouse_set,
 642    .dpy_cursor_define    = gd_cursor_define,
 643
 644    .dpy_gl_ctx_create       = gd_gl_area_create_context,
 645    .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 646    .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 647    .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
 648    .dpy_gl_scanout_disable  = gd_gl_area_scanout_disable,
 649    .dpy_gl_update           = gd_gl_area_scanout_flush,
 650    .dpy_gl_scanout_dmabuf   = gd_gl_area_scanout_dmabuf,
 651    .dpy_has_dmabuf          = gd_has_dmabuf,
 652};
 653
 654#ifdef CONFIG_X11
 655
 656static const DisplayChangeListenerOps dcl_egl_ops = {
 657    .dpy_name             = "gtk-egl",
 658    .dpy_gfx_update       = gd_egl_update,
 659    .dpy_gfx_switch       = gd_egl_switch,
 660    .dpy_gfx_check_format = console_gl_check_format,
 661    .dpy_refresh          = gd_egl_refresh,
 662    .dpy_mouse_set        = gd_mouse_set,
 663    .dpy_cursor_define    = gd_cursor_define,
 664
 665    .dpy_gl_ctx_create       = gd_egl_create_context,
 666    .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 667    .dpy_gl_ctx_make_current = gd_egl_make_current,
 668    .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
 669    .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
 670    .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
 671    .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
 672    .dpy_gl_cursor_position  = gd_egl_cursor_position,
 673    .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
 674    .dpy_gl_update           = gd_egl_scanout_flush,
 675    .dpy_has_dmabuf          = gd_has_dmabuf,
 676};
 677
 678#endif
 679
 680#endif /* CONFIG_OPENGL */
 681
 682/** QEMU Events **/
 683
 684static void gd_change_runstate(void *opaque, bool running, RunState state)
 685{
 686    GtkDisplayState *s = opaque;
 687
 688    gd_update_caption(s);
 689}
 690
 691static void gd_mouse_mode_change(Notifier *notify, void *data)
 692{
 693    GtkDisplayState *s;
 694    int i;
 695
 696    s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 697    /* release the grab at switching to absolute mode */
 698    if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 699        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 700                                       FALSE);
 701    }
 702    for (i = 0; i < s->nb_vcs; i++) {
 703        VirtualConsole *vc = &s->vc[i];
 704        gd_update_cursor(vc);
 705    }
 706}
 707
 708/** GTK Events **/
 709
 710static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 711                                void *opaque)
 712{
 713    GtkDisplayState *s = opaque;
 714    bool allow_close = true;
 715
 716    if (s->opts->has_window_close && !s->opts->window_close) {
 717        allow_close = false;
 718    }
 719
 720    if (allow_close) {
 721        qmp_quit(NULL);
 722    }
 723
 724    return TRUE;
 725}
 726
 727static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 728{
 729    QemuUIInfo info;
 730
 731    memset(&info, 0, sizeof(info));
 732    info.width = width;
 733    info.height = height;
 734    dpy_set_ui_info(vc->gfx.dcl.con, &info);
 735}
 736
 737#if defined(CONFIG_OPENGL)
 738
 739static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 740                                void *opaque)
 741{
 742    VirtualConsole *vc = opaque;
 743
 744    if (vc->gfx.gls) {
 745        gd_gl_area_draw(vc);
 746    }
 747    return TRUE;
 748}
 749
 750static void gd_resize_event(GtkGLArea *area,
 751                            gint width, gint height, gpointer *opaque)
 752{
 753    VirtualConsole *vc = (void *)opaque;
 754
 755    gd_set_ui_info(vc, width, height);
 756}
 757
 758#endif
 759
 760/*
 761 * If available, return the update interval of the monitor in ms,
 762 * else return 0 (the default update interval).
 763 */
 764int gd_monitor_update_interval(GtkWidget *widget)
 765{
 766#ifdef GDK_VERSION_3_22
 767    GdkWindow *win = gtk_widget_get_window(widget);
 768
 769    if (win) {
 770        GdkDisplay *dpy = gtk_widget_get_display(widget);
 771        GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 772        int refresh_rate = gdk_monitor_get_refresh_rate(monitor); /* [mHz] */
 773
 774        if (refresh_rate) {
 775            /* T = 1 / f = 1 [s*Hz] / f = 1000*1000 [ms*mHz] / f */
 776            return MIN(1000 * 1000 / refresh_rate,
 777                       GUI_REFRESH_INTERVAL_DEFAULT);
 778        }
 779    }
 780#endif
 781    return 0;
 782}
 783
 784static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 785{
 786    VirtualConsole *vc = opaque;
 787    GtkDisplayState *s = vc->s;
 788    int mx, my;
 789    int ww, wh;
 790    int fbw, fbh;
 791
 792#if defined(CONFIG_OPENGL)
 793    if (vc->gfx.gls) {
 794        if (gtk_use_gl_area) {
 795            /* invoke render callback please */
 796            return FALSE;
 797        } else {
 798#ifdef CONFIG_X11
 799            gd_egl_draw(vc);
 800            return TRUE;
 801#else
 802            abort();
 803#endif
 804        }
 805    }
 806#endif
 807
 808    if (!gtk_widget_get_realized(widget)) {
 809        return FALSE;
 810    }
 811    if (!vc->gfx.ds) {
 812        return FALSE;
 813    }
 814
 815    vc->gfx.dcl.update_interval =
 816        gd_monitor_update_interval(vc->window ? vc->window : s->window);
 817
 818    fbw = surface_width(vc->gfx.ds);
 819    fbh = surface_height(vc->gfx.ds);
 820
 821    ww = gdk_window_get_width(gtk_widget_get_window(widget));
 822    wh = gdk_window_get_height(gtk_widget_get_window(widget));
 823
 824    if (s->full_screen) {
 825        vc->gfx.scale_x = (double)ww / fbw;
 826        vc->gfx.scale_y = (double)wh / fbh;
 827    } else if (s->free_scale) {
 828        double sx, sy;
 829
 830        sx = (double)ww / fbw;
 831        sy = (double)wh / fbh;
 832
 833        vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 834    }
 835
 836    fbw *= vc->gfx.scale_x;
 837    fbh *= vc->gfx.scale_y;
 838
 839    mx = my = 0;
 840    if (ww > fbw) {
 841        mx = (ww - fbw) / 2;
 842    }
 843    if (wh > fbh) {
 844        my = (wh - fbh) / 2;
 845    }
 846
 847    cairo_rectangle(cr, 0, 0, ww, wh);
 848
 849    /* Optionally cut out the inner area where the pixmap
 850       will be drawn. This avoids 'flashing' since we're
 851       not double-buffering. Note we're using the undocumented
 852       behaviour of drawing the rectangle from right to left
 853       to cut out the whole */
 854    cairo_rectangle(cr, mx + fbw, my,
 855                    -1 * fbw, fbh);
 856    cairo_fill(cr);
 857
 858    cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 859    cairo_set_source_surface(cr, vc->gfx.surface,
 860                             mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 861    cairo_paint(cr);
 862
 863    return TRUE;
 864}
 865
 866static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 867                                void *opaque)
 868{
 869    VirtualConsole *vc = opaque;
 870    GtkDisplayState *s = vc->s;
 871    int x, y;
 872    int mx, my;
 873    int fbh, fbw;
 874    int ww, wh;
 875
 876    if (!vc->gfx.ds) {
 877        return TRUE;
 878    }
 879
 880    fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 881    fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 882
 883    ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
 884    wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
 885
 886    mx = my = 0;
 887    if (ww > fbw) {
 888        mx = (ww - fbw) / 2;
 889    }
 890    if (wh > fbh) {
 891        my = (wh - fbh) / 2;
 892    }
 893
 894    x = (motion->x - mx) / vc->gfx.scale_x;
 895    y = (motion->y - my) / vc->gfx.scale_y;
 896
 897    if (qemu_input_is_absolute()) {
 898        if (x < 0 || y < 0 ||
 899            x >= surface_width(vc->gfx.ds) ||
 900            y >= surface_height(vc->gfx.ds)) {
 901            return TRUE;
 902        }
 903        qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 904                             0, surface_width(vc->gfx.ds));
 905        qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 906                             0, surface_height(vc->gfx.ds));
 907        qemu_input_event_sync();
 908    } else if (s->last_set && s->ptr_owner == vc) {
 909        qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 910        qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 911        qemu_input_event_sync();
 912    }
 913    s->last_x = x;
 914    s->last_y = y;
 915    s->last_set = TRUE;
 916
 917    if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 918        GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 919        GdkDisplay *dpy = gtk_widget_get_display(widget);
 920        GdkWindow *win = gtk_widget_get_window(widget);
 921        GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 922        GdkRectangle geometry;
 923        int screen_width, screen_height;
 924
 925        int x = (int)motion->x_root;
 926        int y = (int)motion->y_root;
 927
 928        gdk_monitor_get_geometry(monitor, &geometry);
 929        screen_width = geometry.width;
 930        screen_height = geometry.height;
 931
 932        /* In relative mode check to see if client pointer hit
 933         * one of the screen edges, and if so move it back by
 934         * 200 pixels. This is important because the pointer
 935         * in the server doesn't correspond 1-for-1, and so
 936         * may still be only half way across the screen. Without
 937         * this warp, the server pointer would thus appear to hit
 938         * an invisible wall */
 939        if (x == 0) {
 940            x += 200;
 941        }
 942        if (y == 0) {
 943            y += 200;
 944        }
 945        if (x == (screen_width - 1)) {
 946            x -= 200;
 947        }
 948        if (y == (screen_height - 1)) {
 949            y -= 200;
 950        }
 951
 952        if (x != (int)motion->x_root || y != (int)motion->y_root) {
 953            GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 954            gdk_device_warp(dev, screen, x, y);
 955            s->last_set = FALSE;
 956            return FALSE;
 957        }
 958    }
 959    return TRUE;
 960}
 961
 962static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 963                                void *opaque)
 964{
 965    VirtualConsole *vc = opaque;
 966    GtkDisplayState *s = vc->s;
 967    InputButton btn;
 968
 969    /* implicitly grab the input at the first click in the relative mode */
 970    if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 971        !qemu_input_is_absolute() && s->ptr_owner != vc) {
 972        if (!vc->window) {
 973            gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 974                                           TRUE);
 975        } else {
 976            gd_grab_pointer(vc, "relative-mode-click");
 977        }
 978        return TRUE;
 979    }
 980
 981    if (button->button == 1) {
 982        btn = INPUT_BUTTON_LEFT;
 983    } else if (button->button == 2) {
 984        btn = INPUT_BUTTON_MIDDLE;
 985    } else if (button->button == 3) {
 986        btn = INPUT_BUTTON_RIGHT;
 987    } else if (button->button == 8) {
 988        btn = INPUT_BUTTON_SIDE;
 989    } else if (button->button == 9) {
 990        btn = INPUT_BUTTON_EXTRA;
 991    } else {
 992        return TRUE;
 993    }
 994
 995    qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 996                         button->type == GDK_BUTTON_PRESS);
 997    qemu_input_event_sync();
 998    return TRUE;
 999}
1000
1001static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
1002                                void *opaque)
1003{
1004    VirtualConsole *vc = opaque;
1005    InputButton btn;
1006
1007    if (scroll->direction == GDK_SCROLL_UP) {
1008        btn = INPUT_BUTTON_WHEEL_UP;
1009    } else if (scroll->direction == GDK_SCROLL_DOWN) {
1010        btn = INPUT_BUTTON_WHEEL_DOWN;
1011    } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
1012        gdouble delta_x, delta_y;
1013        if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
1014                                         &delta_x, &delta_y)) {
1015            return TRUE;
1016        }
1017        if (delta_y == 0) {
1018            return TRUE;
1019        } else if (delta_y > 0) {
1020            btn = INPUT_BUTTON_WHEEL_DOWN;
1021        } else {
1022            btn = INPUT_BUTTON_WHEEL_UP;
1023        }
1024    } else {
1025        return TRUE;
1026    }
1027
1028    qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1029    qemu_input_event_sync();
1030    qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1031    qemu_input_event_sync();
1032    return TRUE;
1033}
1034
1035
1036static const guint16 *gd_get_keymap(size_t *maplen)
1037{
1038    GdkDisplay *dpy = gdk_display_get_default();
1039
1040#ifdef GDK_WINDOWING_X11
1041    if (GDK_IS_X11_DISPLAY(dpy)) {
1042        trace_gd_keymap_windowing("x11");
1043        return qemu_xkeymap_mapping_table(
1044            gdk_x11_display_get_xdisplay(dpy), maplen);
1045    }
1046#endif
1047
1048#ifdef GDK_WINDOWING_WAYLAND
1049    if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1050        trace_gd_keymap_windowing("wayland");
1051        *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1052        return qemu_input_map_xorgevdev_to_qcode;
1053    }
1054#endif
1055
1056#ifdef GDK_WINDOWING_WIN32
1057    if (GDK_IS_WIN32_DISPLAY(dpy)) {
1058        trace_gd_keymap_windowing("win32");
1059        *maplen = qemu_input_map_atset1_to_qcode_len;
1060        return qemu_input_map_atset1_to_qcode;
1061    }
1062#endif
1063
1064#ifdef GDK_WINDOWING_QUARTZ
1065    if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1066        trace_gd_keymap_windowing("quartz");
1067        *maplen = qemu_input_map_osx_to_qcode_len;
1068        return qemu_input_map_osx_to_qcode;
1069    }
1070#endif
1071
1072#ifdef GDK_WINDOWING_BROADWAY
1073    if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1074        trace_gd_keymap_windowing("broadway");
1075        g_warning("experimental: using broadway, x11 virtual keysym\n"
1076                  "mapping - with very limited support. See also\n"
1077                  "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1078        *maplen = qemu_input_map_x11_to_qcode_len;
1079        return qemu_input_map_x11_to_qcode;
1080    }
1081#endif
1082
1083    g_warning("Unsupported GDK Windowing platform.\n"
1084              "Disabling extended keycode tables.\n"
1085              "Please report to qemu-devel@nongnu.org\n"
1086              "including the following information:\n"
1087              "\n"
1088              "  - Operating system\n"
1089              "  - GDK Windowing system build\n");
1090    return NULL;
1091}
1092
1093
1094static int gd_map_keycode(int scancode)
1095{
1096    if (!keycode_map) {
1097        return 0;
1098    }
1099    if (scancode > keycode_maplen) {
1100        return 0;
1101    }
1102
1103    return keycode_map[scancode];
1104}
1105
1106static int gd_get_keycode(GdkEventKey *key)
1107{
1108#ifdef G_OS_WIN32
1109    int scancode = gdk_event_get_scancode((GdkEvent *)key);
1110
1111    /* translate Windows native scancodes to atset1 keycodes */
1112    switch (scancode & (KF_EXTENDED | 0xff)) {
1113    case 0x145:     /* NUMLOCK */
1114        return scancode & 0xff;
1115    }
1116
1117    return scancode & KF_EXTENDED ?
1118        0xe000 | (scancode & 0xff) : scancode & 0xff;
1119
1120#else
1121    return key->hardware_keycode;
1122#endif
1123}
1124
1125static gboolean gd_text_key_down(GtkWidget *widget,
1126                                 GdkEventKey *key, void *opaque)
1127{
1128    VirtualConsole *vc = opaque;
1129    QemuConsole *con = vc->gfx.dcl.con;
1130
1131    if (key->keyval == GDK_KEY_Delete) {
1132        kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1133    } else if (key->length) {
1134        kbd_put_string_console(con, key->string, key->length);
1135    } else {
1136        int qcode = gd_map_keycode(gd_get_keycode(key));
1137        kbd_put_qcode_console(con, qcode, false);
1138    }
1139    return TRUE;
1140}
1141
1142static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1143{
1144    VirtualConsole *vc = opaque;
1145    int keycode, qcode;
1146
1147#ifdef G_OS_WIN32
1148    /* on windows, we ought to ignore the reserved key event? */
1149    if (key->hardware_keycode == 0xff)
1150        return false;
1151
1152    if (!vc->s->kbd_owner) {
1153        if (key->hardware_keycode == VK_LWIN ||
1154            key->hardware_keycode == VK_RWIN) {
1155            return FALSE;
1156        }
1157    }
1158#endif
1159
1160    if (key->keyval == GDK_KEY_Pause
1161#ifdef G_OS_WIN32
1162        /* for some reason GDK does not fill keyval for VK_PAUSE
1163         * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1164         */
1165        || key->hardware_keycode == VK_PAUSE
1166#endif
1167        ) {
1168        qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1169                             key->type == GDK_KEY_PRESS);
1170        return TRUE;
1171    }
1172
1173    keycode = gd_get_keycode(key);
1174    qcode = gd_map_keycode(keycode);
1175
1176    trace_gd_key_event(vc->label, keycode, qcode,
1177                       (key->type == GDK_KEY_PRESS) ? "down" : "up");
1178
1179    qkbd_state_key_event(vc->gfx.kbd, qcode,
1180                         key->type == GDK_KEY_PRESS);
1181
1182    return TRUE;
1183}
1184
1185static gboolean gd_grab_broken_event(GtkWidget *widget,
1186                                     GdkEventGrabBroken *event, void *opaque)
1187{
1188#ifdef CONFIG_WIN32
1189    /*
1190     * On Windows the Ctrl-Alt-Del key combination can't be grabbed. This
1191     * key combination leaves all three keys in a stuck condition. We use
1192     * the grab-broken-event to release all keys.
1193     */
1194    if (event->keyboard) {
1195        VirtualConsole *vc = opaque;
1196        GtkDisplayState *s = vc->s;
1197
1198        gtk_release_modifiers(s);
1199    }
1200#endif
1201    return TRUE;
1202}
1203
1204static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1205{
1206    if (event->type == GDK_MOTION_NOTIFY) {
1207        return gd_motion_event(widget, &event->motion, opaque);
1208    }
1209    return FALSE;
1210}
1211
1212/** Window Menu Actions **/
1213
1214static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1215{
1216    GtkDisplayState *s = opaque;
1217
1218    if (s->external_pause_update) {
1219        return;
1220    }
1221    if (runstate_is_running()) {
1222        qmp_stop(NULL);
1223    } else {
1224        qmp_cont(NULL);
1225    }
1226}
1227
1228static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1229{
1230    qmp_system_reset(NULL);
1231}
1232
1233static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1234{
1235    qmp_system_powerdown(NULL);
1236}
1237
1238static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1239{
1240    qmp_quit(NULL);
1241}
1242
1243static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1244{
1245    GtkDisplayState *s = opaque;
1246    VirtualConsole *vc = gd_vc_find_by_menu(s);
1247    GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1248    gint page;
1249
1250    gtk_release_modifiers(s);
1251    if (vc) {
1252        page = gtk_notebook_page_num(nb, vc->tab_item);
1253        gtk_notebook_set_current_page(nb, page);
1254        gtk_widget_grab_focus(vc->focus);
1255    }
1256}
1257
1258static void gd_accel_switch_vc(void *opaque)
1259{
1260    VirtualConsole *vc = opaque;
1261
1262    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1263}
1264
1265static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1266{
1267    GtkDisplayState *s = opaque;
1268    VirtualConsole *vc = gd_vc_find_current(s);
1269
1270    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1271        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1272    } else {
1273        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1274    }
1275    gd_update_windowsize(vc);
1276}
1277
1278static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1279                                    void *opaque)
1280{
1281    VirtualConsole *vc = opaque;
1282    GtkDisplayState *s = vc->s;
1283
1284    gtk_widget_set_sensitive(vc->menu_item, true);
1285    gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1286    gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1287                                    vc->tab_item, vc->label);
1288    gtk_widget_destroy(vc->window);
1289    vc->window = NULL;
1290    return TRUE;
1291}
1292
1293static gboolean gd_win_grab(void *opaque)
1294{
1295    VirtualConsole *vc = opaque;
1296
1297    fprintf(stderr, "%s: %s\n", __func__, vc->label);
1298    if (vc->s->ptr_owner) {
1299        gd_ungrab_pointer(vc->s);
1300    } else {
1301        gd_grab_pointer(vc, "user-request-detached-tab");
1302    }
1303    return TRUE;
1304}
1305
1306static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1307{
1308    GtkDisplayState *s = opaque;
1309    VirtualConsole *vc = gd_vc_find_current(s);
1310
1311    if (vc->type == GD_VC_GFX &&
1312        qemu_console_is_graphic(vc->gfx.dcl.con)) {
1313        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1314                                       FALSE);
1315    }
1316    if (!vc->window) {
1317        gtk_widget_set_sensitive(vc->menu_item, false);
1318        vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1319        gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1320
1321        g_signal_connect(vc->window, "delete-event",
1322                         G_CALLBACK(gd_tab_window_close), vc);
1323        gtk_widget_show_all(vc->window);
1324
1325        if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1326            GtkAccelGroup *ag = gtk_accel_group_new();
1327            gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1328
1329            GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1330                                               vc, NULL);
1331            gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1332        }
1333
1334        gd_update_geometry_hints(vc);
1335        gd_update_caption(s);
1336    }
1337}
1338
1339static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1340{
1341    GtkDisplayState *s = opaque;
1342    VirtualConsole *vc = gd_vc_find_current(s);
1343
1344    if (s->full_screen) {
1345        return;
1346    }
1347
1348    if (gtk_check_menu_item_get_active(
1349                GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1350        gtk_widget_show(s->menu_bar);
1351    } else {
1352        gtk_widget_hide(s->menu_bar);
1353    }
1354    gd_update_windowsize(vc);
1355}
1356
1357static void gd_accel_show_menubar(void *opaque)
1358{
1359    GtkDisplayState *s = opaque;
1360    gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1361}
1362
1363static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1364{
1365    GtkDisplayState *s = opaque;
1366    VirtualConsole *vc = gd_vc_find_current(s);
1367
1368    if (!s->full_screen) {
1369        gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1370        gtk_widget_hide(s->menu_bar);
1371        if (vc->type == GD_VC_GFX) {
1372            gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1373        }
1374        gtk_window_fullscreen(GTK_WINDOW(s->window));
1375        s->full_screen = TRUE;
1376    } else {
1377        gtk_window_unfullscreen(GTK_WINDOW(s->window));
1378        gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1379        if (gtk_check_menu_item_get_active(
1380                    GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1381            gtk_widget_show(s->menu_bar);
1382        }
1383        s->full_screen = FALSE;
1384        if (vc->type == GD_VC_GFX) {
1385            vc->gfx.scale_x = 1.0;
1386            vc->gfx.scale_y = 1.0;
1387            gd_update_windowsize(vc);
1388        }
1389    }
1390
1391    gd_update_cursor(vc);
1392}
1393
1394static void gd_accel_full_screen(void *opaque)
1395{
1396    GtkDisplayState *s = opaque;
1397    gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1398}
1399
1400static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1401{
1402    GtkDisplayState *s = opaque;
1403    VirtualConsole *vc = gd_vc_find_current(s);
1404
1405    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1406                                   FALSE);
1407
1408    vc->gfx.scale_x += VC_SCALE_STEP;
1409    vc->gfx.scale_y += VC_SCALE_STEP;
1410
1411    gd_update_windowsize(vc);
1412}
1413
1414static void gd_accel_zoom_in(void *opaque)
1415{
1416    GtkDisplayState *s = opaque;
1417    gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1418}
1419
1420static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1421{
1422    GtkDisplayState *s = opaque;
1423    VirtualConsole *vc = gd_vc_find_current(s);
1424
1425    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1426                                   FALSE);
1427
1428    vc->gfx.scale_x -= VC_SCALE_STEP;
1429    vc->gfx.scale_y -= VC_SCALE_STEP;
1430
1431    vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1432    vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1433
1434    gd_update_windowsize(vc);
1435}
1436
1437static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1438{
1439    GtkDisplayState *s = opaque;
1440    VirtualConsole *vc = gd_vc_find_current(s);
1441
1442    vc->gfx.scale_x = 1.0;
1443    vc->gfx.scale_y = 1.0;
1444
1445    gd_update_windowsize(vc);
1446}
1447
1448static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1449{
1450    GtkDisplayState *s = opaque;
1451    VirtualConsole *vc = gd_vc_find_current(s);
1452
1453    if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1454        s->free_scale = TRUE;
1455    } else {
1456        s->free_scale = FALSE;
1457        vc->gfx.scale_x = 1.0;
1458        vc->gfx.scale_y = 1.0;
1459    }
1460
1461    gd_update_windowsize(vc);
1462    gd_update_full_redraw(vc);
1463}
1464
1465static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1466{
1467    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1468    GdkSeat *seat = gdk_display_get_default_seat(display);
1469    GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1470    GdkSeatCapabilities caps = 0;
1471    GdkCursor *cursor = NULL;
1472
1473    if (kbd) {
1474        caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1475    }
1476    if (ptr) {
1477        caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1478        cursor = vc->s->null_cursor;
1479    }
1480
1481    if (caps) {
1482        gdk_seat_grab(seat, window, caps, false, cursor,
1483                      NULL, NULL, NULL);
1484    } else {
1485        gdk_seat_ungrab(seat);
1486    }
1487}
1488
1489static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1490{
1491    if (vc->s->kbd_owner) {
1492        if (vc->s->kbd_owner == vc) {
1493            return;
1494        } else {
1495            gd_ungrab_keyboard(vc->s);
1496        }
1497    }
1498
1499    win32_kbd_set_grab(true);
1500    gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1501    vc->s->kbd_owner = vc;
1502    gd_update_caption(vc->s);
1503    trace_gd_grab(vc->label, "kbd", reason);
1504}
1505
1506static void gd_ungrab_keyboard(GtkDisplayState *s)
1507{
1508    VirtualConsole *vc = s->kbd_owner;
1509
1510    if (vc == NULL) {
1511        return;
1512    }
1513    s->kbd_owner = NULL;
1514
1515    win32_kbd_set_grab(false);
1516    gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1517    gd_update_caption(s);
1518    trace_gd_ungrab(vc->label, "kbd");
1519}
1520
1521static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1522{
1523    GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1524
1525    if (vc->s->ptr_owner) {
1526        if (vc->s->ptr_owner == vc) {
1527            return;
1528        } else {
1529            gd_ungrab_pointer(vc->s);
1530        }
1531    }
1532
1533    gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1534    gdk_device_get_position(gd_get_pointer(display),
1535                            NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1536    vc->s->ptr_owner = vc;
1537    gd_update_caption(vc->s);
1538    trace_gd_grab(vc->label, "ptr", reason);
1539}
1540
1541static void gd_ungrab_pointer(GtkDisplayState *s)
1542{
1543    VirtualConsole *vc = s->ptr_owner;
1544    GdkDisplay *display;
1545
1546    if (vc == NULL) {
1547        return;
1548    }
1549    s->ptr_owner = NULL;
1550
1551    display = gtk_widget_get_display(vc->gfx.drawing_area);
1552    gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1553    gdk_device_warp(gd_get_pointer(display),
1554                    gtk_widget_get_screen(vc->gfx.drawing_area),
1555                    vc->s->grab_x_root, vc->s->grab_y_root);
1556    gd_update_caption(s);
1557    trace_gd_ungrab(vc->label, "ptr");
1558}
1559
1560static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1561{
1562    GtkDisplayState *s = opaque;
1563    VirtualConsole *vc = gd_vc_find_current(s);
1564
1565    if (gd_is_grab_active(s)) {
1566        gd_grab_keyboard(vc, "user-request-main-window");
1567        gd_grab_pointer(vc, "user-request-main-window");
1568    } else {
1569        gd_ungrab_keyboard(s);
1570        gd_ungrab_pointer(s);
1571    }
1572
1573    gd_update_cursor(vc);
1574}
1575
1576static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1577                           gpointer data)
1578{
1579    GtkDisplayState *s = data;
1580    VirtualConsole *vc;
1581    gboolean on_vga;
1582
1583    if (!gtk_widget_get_realized(s->notebook)) {
1584        return;
1585    }
1586
1587    vc = gd_vc_find_by_page(s, arg2);
1588    if (!vc) {
1589        return;
1590    }
1591    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1592                                   TRUE);
1593    on_vga = (vc->type == GD_VC_GFX &&
1594              qemu_console_is_graphic(vc->gfx.dcl.con));
1595    if (!on_vga) {
1596        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1597                                       FALSE);
1598    } else if (s->full_screen) {
1599        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1600                                       TRUE);
1601    }
1602    gtk_widget_set_sensitive(s->grab_item, on_vga);
1603#ifdef CONFIG_VTE
1604    gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1605#endif
1606
1607    gd_update_windowsize(vc);
1608    gd_update_cursor(vc);
1609}
1610
1611static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1612                               gpointer opaque)
1613{
1614    VirtualConsole *vc = opaque;
1615    GtkDisplayState *s = vc->s;
1616
1617    if (gd_grab_on_hover(s)) {
1618        gd_grab_keyboard(vc, "grab-on-hover");
1619    }
1620    return TRUE;
1621}
1622
1623static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1624                               gpointer opaque)
1625{
1626    VirtualConsole *vc = opaque;
1627    GtkDisplayState *s = vc->s;
1628
1629    if (gd_grab_on_hover(s)) {
1630        gd_ungrab_keyboard(s);
1631    }
1632    return TRUE;
1633}
1634
1635static gboolean gd_focus_in_event(GtkWidget *widget,
1636                                  GdkEventFocus *event, gpointer opaque)
1637{
1638    VirtualConsole *vc = opaque;
1639
1640    win32_kbd_set_window(gd_win32_get_hwnd(vc));
1641    return TRUE;
1642}
1643
1644static gboolean gd_focus_out_event(GtkWidget *widget,
1645                                   GdkEventFocus *event, gpointer opaque)
1646{
1647    VirtualConsole *vc = opaque;
1648    GtkDisplayState *s = vc->s;
1649
1650    win32_kbd_set_window(NULL);
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    return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1682}
1683
1684#if defined(CONFIG_VTE)
1685static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1686{
1687    GtkDisplayState *s = opaque;
1688    VirtualConsole *vc = gd_vc_find_current(s);
1689
1690#if VTE_CHECK_VERSION(0, 50, 0)
1691    vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1692                                       VTE_FORMAT_TEXT);
1693#else
1694    vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1695#endif
1696}
1697
1698static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1699{
1700    VirtualConsole *vc = opaque;
1701
1702    if (gtk_adjustment_get_upper(adjustment) >
1703        gtk_adjustment_get_page_size(adjustment)) {
1704        gtk_widget_show(vc->vte.scrollbar);
1705    } else {
1706        gtk_widget_hide(vc->vte.scrollbar);
1707    }
1708}
1709
1710static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1711{
1712    VCChardev *vcd = VC_CHARDEV(chr);
1713    VirtualConsole *vc = vcd->console;
1714
1715    vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1716    return len;
1717}
1718
1719static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1720{
1721    VCChardev *vcd = VC_CHARDEV(chr);
1722    VirtualConsole *vc = vcd->console;
1723
1724    if (vc) {
1725        vc->vte.echo = echo;
1726    } else {
1727        vcd->echo = echo;
1728    }
1729}
1730
1731static int nb_vcs;
1732static Chardev *vcs[MAX_VCS];
1733static void gd_vc_open(Chardev *chr,
1734                       ChardevBackend *backend,
1735                       bool *be_opened,
1736                       Error **errp)
1737{
1738    if (nb_vcs == MAX_VCS) {
1739        error_setg(errp, "Maximum number of consoles reached");
1740        return;
1741    }
1742
1743    vcs[nb_vcs++] = chr;
1744
1745    /* console/chardev init sometimes completes elsewhere in a 2nd
1746     * stage, so defer OPENED events until they are fully initialized
1747     */
1748    *be_opened = false;
1749}
1750
1751static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1752{
1753    ChardevClass *cc = CHARDEV_CLASS(oc);
1754
1755    cc->parse = qemu_chr_parse_vc;
1756    cc->open = gd_vc_open;
1757    cc->chr_write = gd_vc_chr_write;
1758    cc->chr_set_echo = gd_vc_chr_set_echo;
1759}
1760
1761static const TypeInfo char_gd_vc_type_info = {
1762    .name = TYPE_CHARDEV_VC,
1763    .parent = TYPE_CHARDEV,
1764    .instance_size = sizeof(VCChardev),
1765    .class_init = char_gd_vc_class_init,
1766};
1767
1768static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1769                         gpointer user_data)
1770{
1771    VirtualConsole *vc = user_data;
1772
1773    if (vc->vte.echo) {
1774        VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1775        int i;
1776        for (i = 0; i < size; i++) {
1777            uint8_t c = text[i];
1778            if (c >= 128 || isprint(c)) {
1779                /* 8-bit characters are considered printable.  */
1780                vte_terminal_feed(term, &text[i], 1);
1781            } else if (c == '\r' || c == '\n') {
1782                vte_terminal_feed(term, "\r\n", 2);
1783            } else {
1784                char ctrl[2] = { '^', 0};
1785                ctrl[1] = text[i] ^ 64;
1786                vte_terminal_feed(term, ctrl, 2);
1787            }
1788        }
1789    }
1790
1791    int remaining = size;
1792    uint8_t* p = (uint8_t *)text;
1793    while (remaining > 0) {
1794        int can_write = qemu_chr_be_can_write(vc->vte.chr);
1795        int written = MIN(remaining, can_write);
1796        qemu_chr_be_write(vc->vte.chr, p, written);
1797
1798        remaining -= written;
1799        p += written;
1800    }
1801    return TRUE;
1802}
1803
1804static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1805                              Chardev *chr, int idx,
1806                              GSList *group, GtkWidget *view_menu)
1807{
1808    char buffer[32];
1809    GtkWidget *box;
1810    GtkWidget *scrollbar;
1811    GtkAdjustment *vadjustment;
1812    VCChardev *vcd = VC_CHARDEV(chr);
1813
1814    vc->s = s;
1815    vc->vte.echo = vcd->echo;
1816    vc->vte.chr = chr;
1817    vcd->console = vc;
1818
1819    snprintf(buffer, sizeof(buffer), "vc%d", idx);
1820    vc->label = g_strdup_printf("%s", vc->vte.chr->label
1821                                ? vc->vte.chr->label : buffer);
1822    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1823
1824    vc->vte.terminal = vte_terminal_new();
1825    g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1826
1827    /* The documentation says that the default is UTF-8, but actually it is
1828     * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1829     * VTE 0.54 (only UTF-8 is supported now). */
1830#if !VTE_CHECK_VERSION(0, 54, 0)
1831#if VTE_CHECK_VERSION(0, 38, 0)
1832    vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1833#else
1834    vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1835#endif
1836#endif
1837
1838    vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1839    vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1840                          VC_TERM_X_MIN, VC_TERM_Y_MIN);
1841
1842#if VTE_CHECK_VERSION(0, 28, 0)
1843    vadjustment = gtk_scrollable_get_vadjustment
1844        (GTK_SCROLLABLE(vc->vte.terminal));
1845#else
1846    vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1847#endif
1848
1849    box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1850    scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1851
1852    gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1853    gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1854
1855    vc->vte.box = box;
1856    vc->vte.scrollbar = scrollbar;
1857
1858    g_signal_connect(vadjustment, "changed",
1859                     G_CALLBACK(gd_vc_adjustment_changed), vc);
1860
1861    vc->type = GD_VC_VTE;
1862    vc->tab_item = box;
1863    vc->focus = vc->vte.terminal;
1864    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1865                             gtk_label_new(vc->label));
1866
1867    qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1868
1869    return group;
1870}
1871
1872static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1873                        GtkWidget *view_menu)
1874{
1875    int i;
1876
1877    for (i = 0; i < nb_vcs; i++) {
1878        VirtualConsole *vc = &s->vc[s->nb_vcs];
1879        group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1880        s->nb_vcs++;
1881    }
1882}
1883#endif /* CONFIG_VTE */
1884
1885/** Window Creation **/
1886
1887static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1888{
1889    g_signal_connect(vc->gfx.drawing_area, "draw",
1890                     G_CALLBACK(gd_draw_event), vc);
1891#if defined(CONFIG_OPENGL)
1892    if (gtk_use_gl_area) {
1893        /* wire up GtkGlArea events */
1894        g_signal_connect(vc->gfx.drawing_area, "render",
1895                         G_CALLBACK(gd_render_event), vc);
1896        g_signal_connect(vc->gfx.drawing_area, "resize",
1897                         G_CALLBACK(gd_resize_event), vc);
1898    }
1899#endif
1900    if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1901        g_signal_connect(vc->gfx.drawing_area, "event",
1902                         G_CALLBACK(gd_event), vc);
1903        g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1904                         G_CALLBACK(gd_button_event), vc);
1905        g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1906                         G_CALLBACK(gd_button_event), vc);
1907        g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1908                         G_CALLBACK(gd_scroll_event), vc);
1909        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1910                         G_CALLBACK(gd_key_event), vc);
1911        g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1912                         G_CALLBACK(gd_key_event), vc);
1913
1914        g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1915                         G_CALLBACK(gd_enter_event), vc);
1916        g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1917                         G_CALLBACK(gd_leave_event), vc);
1918        g_signal_connect(vc->gfx.drawing_area, "focus-in-event",
1919                         G_CALLBACK(gd_focus_in_event), vc);
1920        g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1921                         G_CALLBACK(gd_focus_out_event), vc);
1922        g_signal_connect(vc->gfx.drawing_area, "configure-event",
1923                         G_CALLBACK(gd_configure), vc);
1924        g_signal_connect(vc->gfx.drawing_area, "grab-broken-event",
1925                         G_CALLBACK(gd_grab_broken_event), vc);
1926    } else {
1927        g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1928                         G_CALLBACK(gd_text_key_down), vc);
1929    }
1930}
1931
1932static void gd_connect_signals(GtkDisplayState *s)
1933{
1934    g_signal_connect(s->show_tabs_item, "activate",
1935                     G_CALLBACK(gd_menu_show_tabs), s);
1936    g_signal_connect(s->untabify_item, "activate",
1937                     G_CALLBACK(gd_menu_untabify), s);
1938    g_signal_connect(s->show_menubar_item, "activate",
1939                     G_CALLBACK(gd_menu_show_menubar), s);
1940
1941    g_signal_connect(s->window, "delete-event",
1942                     G_CALLBACK(gd_window_close), s);
1943
1944    g_signal_connect(s->pause_item, "activate",
1945                     G_CALLBACK(gd_menu_pause), s);
1946    g_signal_connect(s->reset_item, "activate",
1947                     G_CALLBACK(gd_menu_reset), s);
1948    g_signal_connect(s->powerdown_item, "activate",
1949                     G_CALLBACK(gd_menu_powerdown), s);
1950    g_signal_connect(s->quit_item, "activate",
1951                     G_CALLBACK(gd_menu_quit), s);
1952#if defined(CONFIG_VTE)
1953    g_signal_connect(s->copy_item, "activate",
1954                     G_CALLBACK(gd_menu_copy), s);
1955#endif
1956    g_signal_connect(s->full_screen_item, "activate",
1957                     G_CALLBACK(gd_menu_full_screen), s);
1958    g_signal_connect(s->zoom_in_item, "activate",
1959                     G_CALLBACK(gd_menu_zoom_in), s);
1960    g_signal_connect(s->zoom_out_item, "activate",
1961                     G_CALLBACK(gd_menu_zoom_out), s);
1962    g_signal_connect(s->zoom_fixed_item, "activate",
1963                     G_CALLBACK(gd_menu_zoom_fixed), s);
1964    g_signal_connect(s->zoom_fit_item, "activate",
1965                     G_CALLBACK(gd_menu_zoom_fit), s);
1966    g_signal_connect(s->grab_item, "activate",
1967                     G_CALLBACK(gd_menu_grab_input), s);
1968    g_signal_connect(s->notebook, "switch-page",
1969                     G_CALLBACK(gd_change_page), s);
1970}
1971
1972static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1973{
1974    GtkWidget *machine_menu;
1975    GtkWidget *separator;
1976
1977    machine_menu = gtk_menu_new();
1978    gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1979
1980    s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1981    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1982
1983    separator = gtk_separator_menu_item_new();
1984    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1985
1986    s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1987    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1988
1989    s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1990    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1991
1992    separator = gtk_separator_menu_item_new();
1993    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1994
1995    s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1996    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1997                                 "<QEMU>/Machine/Quit");
1998    gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1999                            GDK_KEY_q, HOTKEY_MODIFIERS);
2000    gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
2001
2002    return machine_menu;
2003}
2004
2005#if defined(CONFIG_OPENGL)
2006static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc)
2007{
2008    gtk_gl_area_make_current(area);
2009    qemu_egl_display = eglGetCurrentDisplay();
2010    vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2011    if (!vc->gfx.has_dmabuf) {
2012        error_report("GtkGLArea console lacks DMABUF support.");
2013    }
2014}
2015#endif
2016
2017static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
2018                              QemuConsole *con, int idx,
2019                              GSList *group, GtkWidget *view_menu)
2020{
2021    bool zoom_to_fit = false;
2022
2023    vc->label = qemu_console_get_label(con);
2024    vc->s = s;
2025    vc->gfx.scale_x = 1.0;
2026    vc->gfx.scale_y = 1.0;
2027
2028#if defined(CONFIG_OPENGL)
2029    if (display_opengl) {
2030        if (gtk_use_gl_area) {
2031            vc->gfx.drawing_area = gtk_gl_area_new();
2032            g_signal_connect(vc->gfx.drawing_area, "realize",
2033                             G_CALLBACK(gl_area_realize), vc);
2034            vc->gfx.dcl.ops = &dcl_gl_area_ops;
2035        } else {
2036#ifdef CONFIG_X11
2037            vc->gfx.drawing_area = gtk_drawing_area_new();
2038            /*
2039             * gtk_widget_set_double_buffered() was deprecated in 3.14.
2040             * It is required for opengl rendering on X11 though.  A
2041             * proper replacement (native opengl support) is only
2042             * available in 3.16+.  Silence the warning if possible.
2043             */
2044#pragma GCC diagnostic push
2045#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
2046            gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
2047#pragma GCC diagnostic pop
2048            vc->gfx.dcl.ops = &dcl_egl_ops;
2049            vc->gfx.has_dmabuf = qemu_egl_has_dmabuf();
2050#else
2051            abort();
2052#endif
2053        }
2054    } else
2055#endif
2056    {
2057        vc->gfx.drawing_area = gtk_drawing_area_new();
2058        vc->gfx.dcl.ops = &dcl_ops;
2059    }
2060
2061
2062    gtk_widget_add_events(vc->gfx.drawing_area,
2063                          GDK_POINTER_MOTION_MASK |
2064                          GDK_BUTTON_PRESS_MASK |
2065                          GDK_BUTTON_RELEASE_MASK |
2066                          GDK_BUTTON_MOTION_MASK |
2067                          GDK_ENTER_NOTIFY_MASK |
2068                          GDK_LEAVE_NOTIFY_MASK |
2069                          GDK_SCROLL_MASK |
2070                          GDK_SMOOTH_SCROLL_MASK |
2071                          GDK_KEY_PRESS_MASK);
2072    gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2073
2074    vc->type = GD_VC_GFX;
2075    vc->tab_item = vc->gfx.drawing_area;
2076    vc->focus = vc->gfx.drawing_area;
2077    gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2078                             vc->tab_item, gtk_label_new(vc->label));
2079
2080    vc->gfx.kbd = qkbd_state_init(con);
2081    vc->gfx.dcl.con = con;
2082
2083    register_displaychangelistener(&vc->gfx.dcl);
2084
2085    gd_connect_vc_gfx_signals(vc);
2086    group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2087
2088    if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2089        zoom_to_fit = true;
2090    }
2091    if (s->opts->u.gtk.has_zoom_to_fit) {
2092        zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2093    }
2094    if (zoom_to_fit) {
2095        gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2096        s->free_scale = true;
2097    }
2098
2099    return group;
2100}
2101
2102static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2103{
2104    GSList *group = NULL;
2105    GtkWidget *view_menu;
2106    GtkWidget *separator;
2107    QemuConsole *con;
2108    int vc;
2109
2110    view_menu = gtk_menu_new();
2111    gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2112
2113    s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2114
2115#if defined(CONFIG_VTE)
2116    s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2117    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2118#endif
2119
2120    gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2121            g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2122    gtk_accel_label_set_accel(
2123            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2124            GDK_KEY_f, HOTKEY_MODIFIERS);
2125    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2126
2127    separator = gtk_separator_menu_item_new();
2128    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2129
2130    s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2131    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2132                                 "<QEMU>/View/Zoom In");
2133    gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2134                            HOTKEY_MODIFIERS);
2135    gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2136            g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2137    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2138
2139    s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2140    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2141                                 "<QEMU>/View/Zoom Out");
2142    gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2143                            HOTKEY_MODIFIERS);
2144    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2145
2146    s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2147    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2148                                 "<QEMU>/View/Zoom Fixed");
2149    gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2150                            HOTKEY_MODIFIERS);
2151    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2152
2153    s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2154    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2155
2156    separator = gtk_separator_menu_item_new();
2157    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2158
2159    s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2160    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2161
2162    s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2163    gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2164                                 "<QEMU>/View/Grab Input");
2165    gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2166                            HOTKEY_MODIFIERS);
2167    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2168
2169    separator = gtk_separator_menu_item_new();
2170    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2171
2172    /* gfx */
2173    for (vc = 0;; vc++) {
2174        con = qemu_console_lookup_by_index(vc);
2175        if (!con) {
2176            break;
2177        }
2178        group = gd_vc_gfx_init(s, &s->vc[vc], con,
2179                               vc, group, view_menu);
2180        s->nb_vcs++;
2181    }
2182
2183#if defined(CONFIG_VTE)
2184    /* vte */
2185    gd_vcs_init(s, group, view_menu);
2186#endif
2187
2188    separator = gtk_separator_menu_item_new();
2189    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2190
2191    s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2192    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2193
2194    s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2195    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2196
2197    s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2198            _("Show Menubar"));
2199    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2200                                   TRUE);
2201    gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2202            g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2203    gtk_accel_label_set_accel(
2204            GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2205            GDK_KEY_m, HOTKEY_MODIFIERS);
2206    gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2207
2208    return view_menu;
2209}
2210
2211static void gd_create_menus(GtkDisplayState *s)
2212{
2213    GtkSettings *settings;
2214
2215    s->accel_group = gtk_accel_group_new();
2216    s->machine_menu = gd_create_menu_machine(s);
2217    s->view_menu = gd_create_menu_view(s);
2218
2219    s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2220    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2221                              s->machine_menu);
2222    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2223
2224    s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2225    gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2226    gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2227
2228    g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2229    gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2230
2231    /* Disable the default "F10" menu shortcut. */
2232    settings = gtk_widget_get_settings(s->window);
2233    g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2234}
2235
2236
2237static gboolean gtkinit;
2238
2239static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2240{
2241    VirtualConsole *vc;
2242
2243    GtkDisplayState *s = g_malloc0(sizeof(*s));
2244    GdkDisplay *window_display;
2245    GtkIconTheme *theme;
2246    char *dir;
2247
2248    if (!gtkinit) {
2249        fprintf(stderr, "gtk initialization failed\n");
2250        exit(1);
2251    }
2252    assert(opts->type == DISPLAY_TYPE_GTK);
2253    s->opts = opts;
2254
2255    theme = gtk_icon_theme_get_default();
2256    dir = get_relocated_path(CONFIG_QEMU_ICONDIR);
2257    gtk_icon_theme_prepend_search_path(theme, dir);
2258    g_free(dir);
2259    g_set_prgname("qemu");
2260
2261    s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2262    s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2263    s->notebook = gtk_notebook_new();
2264    s->menu_bar = gtk_menu_bar_new();
2265
2266    s->free_scale = FALSE;
2267
2268    /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2269     * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2270     * printable, but without changing any of the character classes to make
2271     * sure that we don't accidentally break implicit assumptions.  */
2272    setlocale(LC_MESSAGES, "");
2273    setlocale(LC_CTYPE, "C.UTF-8");
2274    dir = get_relocated_path(CONFIG_QEMU_LOCALEDIR);
2275    bindtextdomain("qemu", dir);
2276    g_free(dir);
2277    bind_textdomain_codeset("qemu", "UTF-8");
2278    textdomain("qemu");
2279
2280    window_display = gtk_widget_get_display(s->window);
2281    if (s->opts->has_show_cursor && s->opts->show_cursor) {
2282        s->null_cursor = NULL; /* default pointer */
2283    } else {
2284        s->null_cursor = gdk_cursor_new_for_display(window_display,
2285                                                    GDK_BLANK_CURSOR);
2286    }
2287
2288    s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2289    qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2290    qemu_add_vm_change_state_handler(gd_change_runstate, s);
2291
2292    gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2293
2294    gd_create_menus(s);
2295
2296    gd_connect_signals(s);
2297
2298    gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2299    gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2300
2301    gd_update_caption(s);
2302
2303    gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2304    gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2305
2306    gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2307
2308    gtk_widget_show_all(s->window);
2309
2310    vc = gd_vc_find_current(s);
2311    gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2312#ifdef CONFIG_VTE
2313    gtk_widget_set_sensitive(s->copy_item,
2314                             vc && vc->type == GD_VC_VTE);
2315#endif
2316
2317    if (opts->has_full_screen &&
2318        opts->full_screen) {
2319        gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2320    }
2321    if (opts->u.gtk.has_grab_on_hover &&
2322        opts->u.gtk.grab_on_hover) {
2323        gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2324    }
2325}
2326
2327static void early_gtk_display_init(DisplayOptions *opts)
2328{
2329    /* The QEMU code relies on the assumption that it's always run in
2330     * the C locale. Therefore it is not prepared to deal with
2331     * operations that produce different results depending on the
2332     * locale, such as printf's formatting of decimal numbers, and
2333     * possibly others.
2334     *
2335     * Since GTK+ calls setlocale() by default -importing the locale
2336     * settings from the environment- we must prevent it from doing so
2337     * using gtk_disable_setlocale().
2338     *
2339     * QEMU's GTK+ UI, however, _does_ have translations for some of
2340     * the menu items. As a trade-off between a functionally correct
2341     * QEMU and a fully internationalized UI we support importing
2342     * LC_MESSAGES from the environment (see the setlocale() call
2343     * earlier in this file). This allows us to display translated
2344     * messages leaving everything else untouched.
2345     */
2346    gtk_disable_setlocale();
2347    gtkinit = gtk_init_check(NULL, NULL);
2348    if (!gtkinit) {
2349        /* don't exit yet, that'll break -help */
2350        return;
2351    }
2352
2353    assert(opts->type == DISPLAY_TYPE_GTK);
2354    if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2355#if defined(CONFIG_OPENGL)
2356#if defined(GDK_WINDOWING_WAYLAND)
2357        if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2358            gtk_use_gl_area = true;
2359            gtk_gl_area_init();
2360        } else
2361#endif
2362        {
2363#ifdef CONFIG_X11
2364            DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2365            gtk_egl_init(mode);
2366#endif
2367        }
2368#endif
2369    }
2370
2371    keycode_map = gd_get_keymap(&keycode_maplen);
2372
2373#if defined(CONFIG_VTE)
2374    type_register(&char_gd_vc_type_info);
2375#endif
2376}
2377
2378static QemuDisplay qemu_display_gtk = {
2379    .type       = DISPLAY_TYPE_GTK,
2380    .early_init = early_gtk_display_init,
2381    .init       = gtk_display_init,
2382};
2383
2384static void register_gtk(void)
2385{
2386    qemu_display_register(&qemu_display_gtk);
2387}
2388
2389type_init(register_gtk);
2390