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