ui/gtk.c

   1 /*
   2  * GTK UI
   3  *
   4  * Copyright IBM, Corp. 2012
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <[email protected]>
   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 <[email protected]>
  27  * Copyright (C) 2009-2010 Daniel P. Berrange <[email protected]>
  28  */
  29
  30 #define GETTEXT_PACKAGE "qemu"
  31 #define LOCALEDIR "po"
  32
  33 #include "qemu/osdep.h"
  34 #include "qemu-common.h"
  35 #include "qapi/error.h"
  36 #include "qapi/qapi-commands-misc.h"
  37 #include "qemu/cutils.h"
  38
  39 #include "ui/console.h"
  40 #include "ui/gtk.h"
  41
  42 #include <glib/gi18n.h>
  43 #include <locale.h>
  44 #if defined(CONFIG_VTE)
  45 #include <vte/vte.h>
  46 #endif
  47 #include <math.h>
  48
  49 #include "trace.h"
  50 #include "ui/input.h"
  51 #include "sysemu/sysemu.h"
  52 #include "keymaps.h"
  53 #include "chardev/char.h"
  54 #include "qom/object.h"
  55
  56 #define MAX_VCS 10
  57 #define VC_WINDOW_X_MIN  320
  58 #define VC_WINDOW_Y_MIN  240
  59 #define VC_TERM_X_MIN     80
  60 #define VC_TERM_Y_MIN     25
  61 #define VC_SCALE_MIN    0.25
  62 #define VC_SCALE_STEP   0.25
  63
  64 #ifdef GDK_WINDOWING_X11
  65 #include "x_keymap.h"
  66
  67 /* Gtk2 compat */
  68 #ifndef GDK_IS_X11_DISPLAY
  69 #define GDK_IS_X11_DISPLAY(dpy) (dpy != NULL)
  70 #endif
  71 #endif
  72
  73
  74 #ifdef GDK_WINDOWING_WAYLAND
  75 /* Gtk2 compat */
  76 #ifndef GDK_IS_WAYLAND_DISPLAY
  77 #define GDK_IS_WAYLAND_DISPLAY(dpy) (dpy != NULL)
  78 #endif
  79 #endif
  80
  81
  82 #ifdef GDK_WINDOWING_WIN32
  83 /* Gtk2 compat */
  84 #ifndef GDK_IS_WIN32_DISPLAY
  85 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy != NULL)
  86 #endif
  87 #endif
  88
  89
  90 #ifdef GDK_WINDOWING_BROADWAY
  91 /* Gtk2 compat */
  92 #ifndef GDK_IS_BROADWAY_DISPLAY
  93 #define GDK_IS_BROADWAY_DISPLAY(dpy) (dpy != NULL)
  94 #endif
  95 #endif
  96
  97
  98 #ifdef GDK_WINDOWING_QUARTZ
  99 /* Gtk2 compat */
 100 #ifndef GDK_IS_QUARTZ_DISPLAY
 101 #define GDK_IS_QUARTZ_DISPLAY(dpy) (dpy != NULL)
 102 #endif
 103 #endif
 104
 105
 106 #if !defined(CONFIG_VTE)
 107 # define VTE_CHECK_VERSION(a, b, c) 0
 108 #endif
 109
 110 /* Some older mingw versions lack this constant or have
 111  * it conditionally defined */
 112 #ifdef _WIN32
 113 # ifndef MAPVK_VK_TO_VSC
 114 #  define MAPVK_VK_TO_VSC 0
 115 # endif
 116 #endif
 117
 118
 119 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 120
 121 static const guint16 *keycode_map;
 122 static size_t keycode_maplen;
 123
 124 struct GtkDisplayState {
 125     GtkWidget *window;
 126
 127     GtkWidget *menu_bar;
 128
 129     GtkAccelGroup *accel_group;
 130
 131     GtkWidget *machine_menu_item;
 132     GtkWidget *machine_menu;
 133     GtkWidget *pause_item;
 134     GtkWidget *reset_item;
 135     GtkWidget *powerdown_item;
 136     GtkWidget *quit_item;
 137
 138     GtkWidget *view_menu_item;
 139     GtkWidget *view_menu;
 140     GtkWidget *full_screen_item;
 141     GtkWidget *copy_item;
 142     GtkWidget *zoom_in_item;
 143     GtkWidget *zoom_out_item;
 144     GtkWidget *zoom_fixed_item;
 145     GtkWidget *zoom_fit_item;
 146     GtkWidget *grab_item;
 147     GtkWidget *grab_on_hover_item;
 148
 149     int nb_vcs;
 150     VirtualConsole vc[MAX_VCS];
 151
 152     GtkWidget *show_tabs_item;
 153     GtkWidget *untabify_item;
 154     GtkWidget *show_menubar_item;
 155
 156     GtkWidget *vbox;
 157     GtkWidget *notebook;
 158     int button_mask;
 159     gboolean last_set;
 160     int last_x;
 161     int last_y;
 162     int grab_x_root;
 163     int grab_y_root;
 164     VirtualConsole *kbd_owner;
 165     VirtualConsole *ptr_owner;
 166
 167     gboolean full_screen;
 168
 169     GdkCursor *null_cursor;
 170     Notifier mouse_mode_notifier;
 171     gboolean free_scale;
 172
 173     bool external_pause_update;
 174
 175     bool ignore_keys;
 176
 177     DisplayOptions *opts;
 178 };
 179
 180 typedef struct VCChardev {
 181     Chardev parent;
 182     VirtualConsole *console;
 183     bool echo;
 184 } VCChardev;
 185
 186 #define TYPE_CHARDEV_VC "chardev-vc"
 187 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
 188
 189 bool gtk_use_gl_area;
 190
 191 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 192 static void gd_ungrab_pointer(GtkDisplayState *s);
 193 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 194 static void gd_ungrab_keyboard(GtkDisplayState *s);
 195
 196 /** Utility Functions **/
 197
 198 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 199 {
 200     VirtualConsole *vc;
 201     gint i;
 202
 203     for (i = 0; i < s->nb_vcs; i++) {
 204         vc = &s->vc[i];
 205         if (gtk_check_menu_item_get_active
 206             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 207             return vc;
 208         }
 209     }
 210     return NULL;
 211 }
 212
 213 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 214 {
 215     VirtualConsole *vc;
 216     gint i, p;
 217
 218     for (i = 0; i < s->nb_vcs; i++) {
 219         vc = &s->vc[i];
 220         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 221         if (p == page) {
 222             return vc;
 223         }
 224     }
 225     return NULL;
 226 }
 227
 228 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 229 {
 230     gint page;
 231
 232     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 233     return gd_vc_find_by_page(s, page);
 234 }
 235
 236 static bool gd_is_grab_active(GtkDisplayState *s)
 237 {
 238     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 239 }
 240
 241 static bool gd_grab_on_hover(GtkDisplayState *s)
 242 {
 243     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 244 }
 245
 246 static void gd_update_cursor(VirtualConsole *vc)
 247 {
 248     GtkDisplayState *s = vc->s;
 249     GdkWindow *window;
 250
 251     if (vc->type != GD_VC_GFX ||
 252         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 253         return;
 254     }
 255
 256     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 257         return;
 258     }
 259
 260     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 261     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 262         gdk_window_set_cursor(window, s->null_cursor);
 263     } else {
 264         gdk_window_set_cursor(window, NULL);
 265     }
 266 }
 267
 268 static void gd_update_caption(GtkDisplayState *s)
 269 {
 270     const char *status = "";
 271     gchar *prefix;
 272     gchar *title;
 273     const char *grab = "";
 274     bool is_paused = !runstate_is_running();
 275     int i;
 276
 277     if (qemu_name) {
 278         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 279     } else {
 280         prefix = g_strdup_printf("QEMU");
 281     }
 282
 283     if (s->ptr_owner != NULL &&
 284         s->ptr_owner->window == NULL) {
 285         grab = _(" - Press Ctrl+Alt+G to release grab");
 286     }
 287
 288     if (is_paused) {
 289         status = _(" [Paused]");
 290     }
 291     s->external_pause_update = true;
 292     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 293                                    is_paused);
 294     s->external_pause_update = false;
 295
 296     title = g_strdup_printf("%s%s%s", prefix, status, grab);
 297     gtk_window_set_title(GTK_WINDOW(s->window), title);
 298     g_free(title);
 299
 300     for (i = 0; i < s->nb_vcs; i++) {
 301         VirtualConsole *vc = &s->vc[i];
 302
 303         if (!vc->window) {
 304             continue;
 305         }
 306         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 307                                 vc == s->kbd_owner ? " +kbd" : "",
 308                                 vc == s->ptr_owner ? " +ptr" : "");
 309         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 310         g_free(title);
 311     }
 312
 313     g_free(prefix);
 314 }
 315
 316 static void gd_update_geometry_hints(VirtualConsole *vc)
 317 {
 318     GtkDisplayState *s = vc->s;
 319     GdkWindowHints mask = 0;
 320     GdkGeometry geo = {};
 321     GtkWidget *geo_widget = NULL;
 322     GtkWindow *geo_window;
 323
 324     if (vc->type == GD_VC_GFX) {
 325         if (!vc->gfx.ds) {
 326             return;
 327         }
 328         if (s->free_scale) {
 329             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 330             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 331             mask |= GDK_HINT_MIN_SIZE;
 332         } else {
 333             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 334             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 335             mask |= GDK_HINT_MIN_SIZE;
 336         }
 337         geo_widget = vc->gfx.drawing_area;
 338         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 339
 340 #if defined(CONFIG_VTE)
 341     } else if (vc->type == GD_VC_VTE) {
 342         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 343         GtkBorder padding = { 0 };
 344
 345 #if VTE_CHECK_VERSION(0, 37, 0)
 346         gtk_style_context_get_padding(
 347                 gtk_widget_get_style_context(vc->vte.terminal),
 348                 gtk_widget_get_state_flags(vc->vte.terminal),
 349                 &padding);
 350 #else
 351         {
 352             GtkBorder *ib = NULL;
 353             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 354             if (ib) {
 355                 padding = *ib;
 356                 gtk_border_free(ib);
 357             }
 358         }
 359 #endif
 360
 361         geo.width_inc  = vte_terminal_get_char_width(term);
 362         geo.height_inc = vte_terminal_get_char_height(term);
 363         mask |= GDK_HINT_RESIZE_INC;
 364         geo.base_width  = geo.width_inc;
 365         geo.base_height = geo.height_inc;
 366         mask |= GDK_HINT_BASE_SIZE;
 367         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 368         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 369         mask |= GDK_HINT_MIN_SIZE;
 370
 371         geo.base_width  += padding.left + padding.right;
 372         geo.base_height += padding.top + padding.bottom;
 373         geo.min_width   += padding.left + padding.right;
 374         geo.min_height  += padding.top + padding.bottom;
 375         geo_widget = vc->vte.terminal;
 376 #endif
 377     }
 378
 379     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 380     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 381 }
 382
 383 void gd_update_windowsize(VirtualConsole *vc)
 384 {
 385     GtkDisplayState *s = vc->s;
 386
 387     gd_update_geometry_hints(vc);
 388
 389     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 390         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 391                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 392     }
 393 }
 394
 395 static void gd_update_full_redraw(VirtualConsole *vc)
 396 {
 397     GtkWidget *area = vc->gfx.drawing_area;
 398     int ww, wh;
 399     ww = gdk_window_get_width(gtk_widget_get_window(area));
 400     wh = gdk_window_get_height(gtk_widget_get_window(area));
 401 #if defined(CONFIG_GTK_GL)
 402     if (vc->gfx.gls && gtk_use_gl_area) {
 403         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 404         return;
 405     }
 406 #endif
 407     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 408 }
 409
 410 static void gtk_release_modifiers(GtkDisplayState *s)
 411 {
 412     VirtualConsole *vc = gd_vc_find_current(s);
 413
 414     if (vc->type != GD_VC_GFX ||
 415         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 416         return;
 417     }
 418     qkbd_state_lift_all_keys(vc->gfx.kbd);
 419 }
 420
 421 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 422                                GtkWidget *widget)
 423 {
 424     g_object_ref(G_OBJECT(widget));
 425     gtk_container_remove(GTK_CONTAINER(from), widget);
 426     gtk_container_add(GTK_CONTAINER(to), widget);
 427     g_object_unref(G_OBJECT(widget));
 428 }
 429
 430 /** DisplayState Callbacks **/
 431
 432 static void gd_update(DisplayChangeListener *dcl,
 433                       int x, int y, int w, int h)
 434 {
 435     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 436     GdkWindow *win;
 437     int x1, x2, y1, y2;
 438     int mx, my;
 439     int fbw, fbh;
 440     int ww, wh;
 441
 442     trace_gd_update(vc->label, x, y, w, h);
 443
 444     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 445         return;
 446     }
 447
 448     if (vc->gfx.convert) {
 449         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 450                                NULL, vc->gfx.convert,
 451                                x, y, 0, 0, x, y, w, h);
 452     }
 453
 454     x1 = floor(x * vc->gfx.scale_x);
 455     y1 = floor(y * vc->gfx.scale_y);
 456
 457     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 458     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 459
 460     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 461     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 462
 463     win = gtk_widget_get_window(vc->gfx.drawing_area);
 464     if (!win) {
 465         return;
 466     }
 467     ww = gdk_window_get_width(win);
 468     wh = gdk_window_get_height(win);
 469
 470     mx = my = 0;
 471     if (ww > fbw) {
 472         mx = (ww - fbw) / 2;
 473     }
 474     if (wh > fbh) {
 475         my = (wh - fbh) / 2;
 476     }
 477
 478     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 479                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 480 }
 481
 482 static void gd_refresh(DisplayChangeListener *dcl)
 483 {
 484     graphic_hw_update(dcl->con);
 485 }
 486
 487 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
 488 {
 489 #if GTK_CHECK_VERSION(3, 20, 0)
 490     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
 491 #else
 492     return gdk_device_manager_get_client_pointer(
 493         gdk_display_get_device_manager(dpy));
 494 #endif
 495 }
 496
 497 static void gd_mouse_set(DisplayChangeListener *dcl,
 498                          int x, int y, int visible)
 499 {
 500     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 501     GdkDisplay *dpy;
 502     gint x_root, y_root;
 503
 504     if (qemu_input_is_absolute()) {
 505         return;
 506     }
 507
 508     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 509     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 510                                x, y, &x_root, &y_root);
 511     gdk_device_warp(gd_get_pointer(dpy),
 512                     gtk_widget_get_screen(vc->gfx.drawing_area),
 513                     x_root, y_root);
 514     vc->s->last_x = x;
 515     vc->s->last_y = y;
 516 }
 517
 518 static void gd_cursor_define(DisplayChangeListener *dcl,
 519                              QEMUCursor *c)
 520 {
 521     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 522     GdkPixbuf *pixbuf;
 523     GdkCursor *cursor;
 524
 525     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 526         return;
 527     }
 528
 529     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 530                                       GDK_COLORSPACE_RGB, true, 8,
 531                                       c->width, c->height, c->width * 4,
 532                                       NULL, NULL);
 533     cursor = gdk_cursor_new_from_pixbuf
 534         (gtk_widget_get_display(vc->gfx.drawing_area),
 535          pixbuf, c->hot_x, c->hot_y);
 536     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 537     g_object_unref(pixbuf);
 538     g_object_unref(cursor);
 539 }
 540
 541 static void gd_switch(DisplayChangeListener *dcl,
 542                       DisplaySurface *surface)
 543 {
 544     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 545     bool resized = true;
 546
 547     trace_gd_switch(vc->label,
 548                     surface ? surface_width(surface)  : 0,
 549                     surface ? surface_height(surface) : 0);
 550
 551     if (vc->gfx.surface) {
 552         cairo_surface_destroy(vc->gfx.surface);
 553         vc->gfx.surface = NULL;
 554     }
 555     if (vc->gfx.convert) {
 556         pixman_image_unref(vc->gfx.convert);
 557         vc->gfx.convert = NULL;
 558     }
 559
 560     if (vc->gfx.ds && surface &&
 561         surface_width(vc->gfx.ds) == surface_width(surface) &&
 562         surface_height(vc->gfx.ds) == surface_height(surface)) {
 563         resized = false;
 564     }
 565     vc->gfx.ds = surface;
 566
 567     if (!surface) {
 568         return;
 569     }
 570
 571     if (surface->format == PIXMAN_x8r8g8b8) {
 572         /*
 573          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 574          *
 575          * No need to convert, use surface directly.  Should be the
 576          * common case as this is qemu_default_pixelformat(32) too.
 577          */
 578         vc->gfx.surface = cairo_image_surface_create_for_data
 579             (surface_data(surface),
 580              CAIRO_FORMAT_RGB24,
 581              surface_width(surface),
 582              surface_height(surface),
 583              surface_stride(surface));
 584     } else {
 585         /* Must convert surface, use pixman to do it. */
 586         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 587                                                    surface_width(surface),
 588                                                    surface_height(surface),
 589                                                    NULL, 0);
 590         vc->gfx.surface = cairo_image_surface_create_for_data
 591             ((void *)pixman_image_get_data(vc->gfx.convert),
 592              CAIRO_FORMAT_RGB24,
 593              pixman_image_get_width(vc->gfx.convert),
 594              pixman_image_get_height(vc->gfx.convert),
 595              pixman_image_get_stride(vc->gfx.convert));
 596         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 597                                NULL, vc->gfx.convert,
 598                                0, 0, 0, 0, 0, 0,
 599                                pixman_image_get_width(vc->gfx.convert),
 600                                pixman_image_get_height(vc->gfx.convert));
 601     }
 602
 603     if (resized) {
 604         gd_update_windowsize(vc);
 605     } else {
 606         gd_update_full_redraw(vc);
 607     }
 608 }
 609
 610 static const DisplayChangeListenerOps dcl_ops = {
 611     .dpy_name             = "gtk",
 612     .dpy_gfx_update       = gd_update,
 613     .dpy_gfx_switch       = gd_switch,
 614     .dpy_gfx_check_format = qemu_pixman_check_format,
 615     .dpy_refresh          = gd_refresh,
 616     .dpy_mouse_set        = gd_mouse_set,
 617     .dpy_cursor_define    = gd_cursor_define,
 618 };
 619
 620
 621 #if defined(CONFIG_OPENGL)
 622
 623 /** DisplayState Callbacks (opengl version) **/
 624
 625 #if defined(CONFIG_GTK_GL)
 626
 627 static const DisplayChangeListenerOps dcl_gl_area_ops = {
 628     .dpy_name             = "gtk-egl",
 629     .dpy_gfx_update       = gd_gl_area_update,
 630     .dpy_gfx_switch       = gd_gl_area_switch,
 631     .dpy_gfx_check_format = console_gl_check_format,
 632     .dpy_refresh          = gd_gl_area_refresh,
 633     .dpy_mouse_set        = gd_mouse_set,
 634     .dpy_cursor_define    = gd_cursor_define,
 635
 636     .dpy_gl_ctx_create       = gd_gl_area_create_context,
 637     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 638     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 639     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
 640     .dpy_gl_scanout_texture  = gd_gl_area_scanout_texture,
 641     .dpy_gl_update           = gd_gl_area_scanout_flush,
 642 };
 643
 644 #endif /* CONFIG_GTK_GL */
 645
 646 static const DisplayChangeListenerOps dcl_egl_ops = {
 647     .dpy_name             = "gtk-egl",
 648     .dpy_gfx_update       = gd_egl_update,
 649     .dpy_gfx_switch       = gd_egl_switch,
 650     .dpy_gfx_check_format = console_gl_check_format,
 651     .dpy_refresh          = gd_egl_refresh,
 652     .dpy_mouse_set        = gd_mouse_set,
 653     .dpy_cursor_define    = gd_cursor_define,
 654
 655     .dpy_gl_ctx_create       = gd_egl_create_context,
 656     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 657     .dpy_gl_ctx_make_current = gd_egl_make_current,
 658     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
 659     .dpy_gl_scanout_disable  = gd_egl_scanout_disable,
 660     .dpy_gl_scanout_texture  = gd_egl_scanout_texture,
 661     .dpy_gl_scanout_dmabuf   = gd_egl_scanout_dmabuf,
 662     .dpy_gl_cursor_dmabuf    = gd_egl_cursor_dmabuf,
 663     .dpy_gl_cursor_position  = gd_egl_cursor_position,
 664     .dpy_gl_release_dmabuf   = gd_egl_release_dmabuf,
 665     .dpy_gl_update           = gd_egl_scanout_flush,
 666 };
 667
 668 #endif /* CONFIG_OPENGL */
 669
 670 /** QEMU Events **/
 671
 672 static void gd_change_runstate(void *opaque, int running, RunState state)
 673 {
 674     GtkDisplayState *s = opaque;
 675
 676     gd_update_caption(s);
 677 }
 678
 679 static void gd_mouse_mode_change(Notifier *notify, void *data)
 680 {
 681     GtkDisplayState *s;
 682     int i;
 683
 684     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 685     /* release the grab at switching to absolute mode */
 686     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 687         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 688                                        FALSE);
 689     }
 690     for (i = 0; i < s->nb_vcs; i++) {
 691         VirtualConsole *vc = &s->vc[i];
 692         gd_update_cursor(vc);
 693     }
 694 }
 695
 696 /** GTK Events **/
 697
 698 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 699                                 void *opaque)
 700 {
 701     GtkDisplayState *s = opaque;
 702     bool allow_close = true;
 703
 704     if (s->opts->has_window_close && !s->opts->window_close) {
 705         allow_close = false;
 706     }
 707
 708     if (allow_close) {
 709         qmp_quit(NULL);
 710     }
 711
 712     return TRUE;
 713 }
 714
 715 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 716 {
 717     QemuUIInfo info;
 718
 719     memset(&info, 0, sizeof(info));
 720     info.width = width;
 721     info.height = height;
 722     dpy_set_ui_info(vc->gfx.dcl.con, &info);
 723 }
 724
 725 #if defined(CONFIG_GTK_GL)
 726
 727 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 728                                 void *opaque)
 729 {
 730     VirtualConsole *vc = opaque;
 731
 732     if (vc->gfx.gls) {
 733         gd_gl_area_draw(vc);
 734     }
 735     return TRUE;
 736 }
 737
 738 static void gd_resize_event(GtkGLArea *area,
 739                             gint width, gint height, gpointer *opaque)
 740 {
 741     VirtualConsole *vc = (void *)opaque;
 742
 743     gd_set_ui_info(vc, width, height);
 744 }
 745
 746 #endif
 747
 748 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 749 {
 750     VirtualConsole *vc = opaque;
 751     GtkDisplayState *s = vc->s;
 752     int mx, my;
 753     int ww, wh;
 754     int fbw, fbh;
 755
 756 #if defined(CONFIG_OPENGL)
 757     if (vc->gfx.gls) {
 758         if (gtk_use_gl_area) {
 759             /* invoke render callback please */
 760             return FALSE;
 761         } else {
 762             gd_egl_draw(vc);
 763             return TRUE;
 764         }
 765     }
 766 #endif
 767
 768     if (!gtk_widget_get_realized(widget)) {
 769         return FALSE;
 770     }
 771     if (!vc->gfx.ds) {
 772         return FALSE;
 773     }
 774
 775     fbw = surface_width(vc->gfx.ds);
 776     fbh = surface_height(vc->gfx.ds);
 777
 778     ww = gdk_window_get_width(gtk_widget_get_window(widget));
 779     wh = gdk_window_get_height(gtk_widget_get_window(widget));
 780
 781     if (s->full_screen) {
 782         vc->gfx.scale_x = (double)ww / fbw;
 783         vc->gfx.scale_y = (double)wh / fbh;
 784     } else if (s->free_scale) {
 785         double sx, sy;
 786
 787         sx = (double)ww / fbw;
 788         sy = (double)wh / fbh;
 789
 790         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 791     }
 792
 793     fbw *= vc->gfx.scale_x;
 794     fbh *= vc->gfx.scale_y;
 795
 796     mx = my = 0;
 797     if (ww > fbw) {
 798         mx = (ww - fbw) / 2;
 799     }
 800     if (wh > fbh) {
 801         my = (wh - fbh) / 2;
 802     }
 803
 804     cairo_rectangle(cr, 0, 0, ww, wh);
 805
 806     /* Optionally cut out the inner area where the pixmap
 807        will be drawn. This avoids 'flashing' since we're
 808        not double-buffering. Note we're using the undocumented
 809        behaviour of drawing the rectangle from right to left
 810        to cut out the whole */
 811     cairo_rectangle(cr, mx + fbw, my,
 812                     -1 * fbw, fbh);
 813     cairo_fill(cr);
 814
 815     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 816     cairo_set_source_surface(cr, vc->gfx.surface,
 817                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 818     cairo_paint(cr);
 819
 820     return TRUE;
 821 }
 822
 823 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 824                                 void *opaque)
 825 {
 826     VirtualConsole *vc = opaque;
 827     GtkDisplayState *s = vc->s;
 828     int x, y;
 829     int mx, my;
 830     int fbh, fbw;
 831     int ww, wh;
 832
 833     if (!vc->gfx.ds) {
 834         return TRUE;
 835     }
 836
 837     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 838     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 839
 840     ww = gdk_window_get_width(gtk_widget_get_window(vc->gfx.drawing_area));
 841     wh = gdk_window_get_height(gtk_widget_get_window(vc->gfx.drawing_area));
 842
 843     mx = my = 0;
 844     if (ww > fbw) {
 845         mx = (ww - fbw) / 2;
 846     }
 847     if (wh > fbh) {
 848         my = (wh - fbh) / 2;
 849     }
 850
 851     x = (motion->x - mx) / vc->gfx.scale_x;
 852     y = (motion->y - my) / vc->gfx.scale_y;
 853
 854     if (qemu_input_is_absolute()) {
 855         if (x < 0 || y < 0 ||
 856             x >= surface_width(vc->gfx.ds) ||
 857             y >= surface_height(vc->gfx.ds)) {
 858             return TRUE;
 859         }
 860         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 861                              0, surface_width(vc->gfx.ds));
 862         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 863                              0, surface_height(vc->gfx.ds));
 864         qemu_input_event_sync();
 865     } else if (s->last_set && s->ptr_owner == vc) {
 866         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 867         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 868         qemu_input_event_sync();
 869     }
 870     s->last_x = x;
 871     s->last_y = y;
 872     s->last_set = TRUE;
 873
 874     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 875         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 876         int screen_width, screen_height;
 877
 878         int x = (int)motion->x_root;
 879         int y = (int)motion->y_root;
 880
 881 #if GTK_CHECK_VERSION(3, 22, 0)
 882         {
 883             GdkDisplay *dpy = gtk_widget_get_display(widget);
 884             GdkWindow *win = gtk_widget_get_window(widget);
 885             GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win);
 886             GdkRectangle geometry;
 887             gdk_monitor_get_geometry(monitor, &geometry);
 888             screen_width = geometry.width;
 889             screen_height = geometry.height;
 890         }
 891 #else
 892         {
 893             screen_width = gdk_screen_get_width(screen);
 894             screen_height = gdk_screen_get_height(screen);
 895         }
 896 #endif
 897
 898         /* In relative mode check to see if client pointer hit
 899          * one of the screen edges, and if so move it back by
 900          * 200 pixels. This is important because the pointer
 901          * in the server doesn't correspond 1-for-1, and so
 902          * may still be only half way across the screen. Without
 903          * this warp, the server pointer would thus appear to hit
 904          * an invisible wall */
 905         if (x == 0) {
 906             x += 200;
 907         }
 908         if (y == 0) {
 909             y += 200;
 910         }
 911         if (x == (screen_width - 1)) {
 912             x -= 200;
 913         }
 914         if (y == (screen_height - 1)) {
 915             y -= 200;
 916         }
 917
 918         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 919             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 920             gdk_device_warp(dev, screen, x, y);
 921             s->last_set = FALSE;
 922             return FALSE;
 923         }
 924     }
 925     return TRUE;
 926 }
 927
 928 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 929                                 void *opaque)
 930 {
 931     VirtualConsole *vc = opaque;
 932     GtkDisplayState *s = vc->s;
 933     InputButton btn;
 934
 935     /* implicitly grab the input at the first click in the relative mode */
 936     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 937         !qemu_input_is_absolute() && s->ptr_owner != vc) {
 938         if (!vc->window) {
 939             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 940                                            TRUE);
 941         } else {
 942             gd_grab_pointer(vc, "relative-mode-click");
 943         }
 944         return TRUE;
 945     }
 946
 947     if (button->button == 1) {
 948         btn = INPUT_BUTTON_LEFT;
 949     } else if (button->button == 2) {
 950         btn = INPUT_BUTTON_MIDDLE;
 951     } else if (button->button == 3) {
 952         btn = INPUT_BUTTON_RIGHT;
 953     } else if (button->button == 8) {
 954         btn = INPUT_BUTTON_SIDE;
 955     } else if (button->button == 9) {
 956         btn = INPUT_BUTTON_EXTRA;
 957     } else {
 958         return TRUE;
 959     }
 960
 961     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 962                          button->type == GDK_BUTTON_PRESS);
 963     qemu_input_event_sync();
 964     return TRUE;
 965 }
 966
 967 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 968                                 void *opaque)
 969 {
 970     VirtualConsole *vc = opaque;
 971     InputButton btn;
 972
 973     if (scroll->direction == GDK_SCROLL_UP) {
 974         btn = INPUT_BUTTON_WHEEL_UP;
 975     } else if (scroll->direction == GDK_SCROLL_DOWN) {
 976         btn = INPUT_BUTTON_WHEEL_DOWN;
 977     } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
 978         gdouble delta_x, delta_y;
 979         if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
 980                                          &delta_x, &delta_y)) {
 981             return TRUE;
 982         }
 983         if (delta_y == 0) {
 984             return TRUE;
 985         } else if (delta_y > 0) {
 986             btn = INPUT_BUTTON_WHEEL_DOWN;
 987         } else {
 988             btn = INPUT_BUTTON_WHEEL_UP;
 989         }
 990     } else {
 991         return TRUE;
 992     }
 993
 994     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
 995     qemu_input_event_sync();
 996     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
 997     qemu_input_event_sync();
 998     return TRUE;
 999 }
1000
1001
1002 static const guint16 *gd_get_keymap(size_t *maplen)
1003 {
1004     GdkDisplay *dpy = gdk_display_get_default();
1005
1006 #ifdef GDK_WINDOWING_X11
1007     if (GDK_IS_X11_DISPLAY(dpy)) {
1008         trace_gd_keymap_windowing("x11");
1009         return qemu_xkeymap_mapping_table(
1010             gdk_x11_display_get_xdisplay(dpy), maplen);
1011     }
1012 #endif
1013
1014 #ifdef GDK_WINDOWING_WAYLAND
1015     if (GDK_IS_WAYLAND_DISPLAY(dpy)) {
1016         trace_gd_keymap_windowing("wayland");
1017         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
1018         return qemu_input_map_xorgevdev_to_qcode;
1019     }
1020 #endif
1021
1022 #ifdef GDK_WINDOWING_WIN32
1023     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1024         trace_gd_keymap_windowing("win32");
1025         *maplen = qemu_input_map_win32_to_qcode_len;
1026         return qemu_input_map_win32_to_qcode;
1027     }
1028 #endif
1029
1030 #ifdef GDK_WINDOWING_QUARTZ
1031     if (GDK_IS_QUARTZ_DISPLAY(dpy)) {
1032         trace_gd_keymap_windowing("quartz");
1033         *maplen = qemu_input_map_osx_to_qcode_len;
1034         return qemu_input_map_osx_to_qcode;
1035     }
1036 #endif
1037
1038 #ifdef GDK_WINDOWING_BROADWAY
1039     if (GDK_IS_BROADWAY_DISPLAY(dpy)) {
1040         trace_gd_keymap_windowing("broadway");
1041         g_warning("experimental: using broadway, x11 virtual keysym\n"
1042                   "mapping - with very limited support. See also\n"
1043                   "https://bugzilla.gnome.org/show_bug.cgi?id=700105");
1044         *maplen = qemu_input_map_x11_to_qcode_len;
1045         return qemu_input_map_x11_to_qcode;
1046     }
1047 #endif
1048
1049     g_warning("Unsupported GDK Windowing platform.\n"
1050               "Disabling extended keycode tables.\n"
1051               "Please report to [email protected]\n"
1052               "including the following information:\n"
1053               "\n"
1054               "  - Operating system\n"
1055               "  - GDK Windowing system build\n");
1056     return NULL;
1057 }
1058
1059
1060 static int gd_map_keycode(int scancode)
1061 {
1062     if (!keycode_map) {
1063         return 0;
1064     }
1065     if (scancode > keycode_maplen) {
1066         return 0;
1067     }
1068
1069     return keycode_map[scancode];
1070 }
1071
1072 static gboolean gd_text_key_down(GtkWidget *widget,
1073                                  GdkEventKey *key, void *opaque)
1074 {
1075     VirtualConsole *vc = opaque;
1076     QemuConsole *con = vc->gfx.dcl.con;
1077
1078     if (key->keyval == GDK_KEY_Delete) {
1079         kbd_put_qcode_console(con, Q_KEY_CODE_DELETE, false);
1080     } else if (key->length) {
1081         kbd_put_string_console(con, key->string, key->length);
1082     } else {
1083         int qcode = gd_map_keycode(key->hardware_keycode);
1084         kbd_put_qcode_console(con, qcode, false);
1085     }
1086     return TRUE;
1087 }
1088
1089 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1090 {
1091     VirtualConsole *vc = opaque;
1092     GtkDisplayState *s = vc->s;
1093     int qcode;
1094
1095     if (s->ignore_keys) {
1096         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1097         return TRUE;
1098     }
1099
1100 #ifdef WIN32
1101     /* on windows, we ought to ignore the reserved key event? */
1102     if (key->hardware_keycode == 0xff)
1103         return false;
1104 #endif
1105
1106     if (key->keyval == GDK_KEY_Pause
1107 #ifdef G_OS_WIN32
1108         /* for some reason GDK does not fill keyval for VK_PAUSE
1109          * See https://bugzilla.gnome.org/show_bug.cgi?id=769214
1110          */
1111         || key->hardware_keycode == VK_PAUSE
1112 #endif
1113         ) {
1114         qkbd_state_key_event(vc->gfx.kbd, Q_KEY_CODE_PAUSE,
1115                              key->type == GDK_KEY_PRESS);
1116         return TRUE;
1117     }
1118
1119     qcode = gd_map_keycode(key->hardware_keycode);
1120
1121     trace_gd_key_event(vc->label, key->hardware_keycode, qcode,
1122                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1123
1124     qkbd_state_key_event(vc->gfx.kbd, qcode,
1125                          key->type == GDK_KEY_PRESS);
1126
1127     return TRUE;
1128 }
1129
1130 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1131 {
1132     if (event->type == GDK_MOTION_NOTIFY) {
1133         return gd_motion_event(widget, &event->motion, opaque);
1134     }
1135     return FALSE;
1136 }
1137
1138 /** Window Menu Actions **/
1139
1140 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1141 {
1142     GtkDisplayState *s = opaque;
1143
1144     if (s->external_pause_update) {
1145         return;
1146     }
1147     if (runstate_is_running()) {
1148         qmp_stop(NULL);
1149     } else {
1150         qmp_cont(NULL);
1151     }
1152 }
1153
1154 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1155 {
1156     qmp_system_reset(NULL);
1157 }
1158
1159 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1160 {
1161     qmp_system_powerdown(NULL);
1162 }
1163
1164 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1165 {
1166     qmp_quit(NULL);
1167 }
1168
1169 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1170 {
1171     GtkDisplayState *s = opaque;
1172     VirtualConsole *vc = gd_vc_find_by_menu(s);
1173     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1174     gint page;
1175
1176     gtk_release_modifiers(s);
1177     if (vc) {
1178         page = gtk_notebook_page_num(nb, vc->tab_item);
1179         gtk_notebook_set_current_page(nb, page);
1180         gtk_widget_grab_focus(vc->focus);
1181     }
1182     s->ignore_keys = false;
1183 }
1184
1185 static void gd_accel_switch_vc(void *opaque)
1186 {
1187     VirtualConsole *vc = opaque;
1188
1189     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1190 }
1191
1192 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1193 {
1194     GtkDisplayState *s = opaque;
1195     VirtualConsole *vc = gd_vc_find_current(s);
1196
1197     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1198         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1199     } else {
1200         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1201     }
1202     gd_update_windowsize(vc);
1203 }
1204
1205 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1206                                     void *opaque)
1207 {
1208     VirtualConsole *vc = opaque;
1209     GtkDisplayState *s = vc->s;
1210
1211     gtk_widget_set_sensitive(vc->menu_item, true);
1212     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1213     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1214                                     vc->tab_item, vc->label);
1215     gtk_widget_destroy(vc->window);
1216     vc->window = NULL;
1217     return TRUE;
1218 }
1219
1220 static gboolean gd_win_grab(void *opaque)
1221 {
1222     VirtualConsole *vc = opaque;
1223
1224     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1225     if (vc->s->ptr_owner) {
1226         gd_ungrab_pointer(vc->s);
1227     } else {
1228         gd_grab_pointer(vc, "user-request-detached-tab");
1229     }
1230     return TRUE;
1231 }
1232
1233 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1234 {
1235     GtkDisplayState *s = opaque;
1236     VirtualConsole *vc = gd_vc_find_current(s);
1237
1238     if (vc->type == GD_VC_GFX &&
1239         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1240         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1241                                        FALSE);
1242     }
1243     if (!vc->window) {
1244         gtk_widget_set_sensitive(vc->menu_item, false);
1245         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1246         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1247
1248         g_signal_connect(vc->window, "delete-event",
1249                          G_CALLBACK(gd_tab_window_close), vc);
1250         gtk_widget_show_all(vc->window);
1251
1252         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1253             GtkAccelGroup *ag = gtk_accel_group_new();
1254             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1255
1256             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1257                                                vc, NULL);
1258             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1259         }
1260
1261         gd_update_geometry_hints(vc);
1262         gd_update_caption(s);
1263     }
1264 }
1265
1266 static void gd_menu_show_menubar(GtkMenuItem *item, void *opaque)
1267 {
1268     GtkDisplayState *s = opaque;
1269     VirtualConsole *vc = gd_vc_find_current(s);
1270
1271     if (s->full_screen) {
1272         return;
1273     }
1274
1275     if (gtk_check_menu_item_get_active(
1276                 GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1277         gtk_widget_show(s->menu_bar);
1278     } else {
1279         gtk_widget_hide(s->menu_bar);
1280     }
1281     gd_update_windowsize(vc);
1282 }
1283
1284 static void gd_accel_show_menubar(void *opaque)
1285 {
1286     GtkDisplayState *s = opaque;
1287     gtk_menu_item_activate(GTK_MENU_ITEM(s->show_menubar_item));
1288 }
1289
1290 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1291 {
1292     GtkDisplayState *s = opaque;
1293     VirtualConsole *vc = gd_vc_find_current(s);
1294
1295     if (!s->full_screen) {
1296         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1297         gtk_widget_hide(s->menu_bar);
1298         if (vc->type == GD_VC_GFX) {
1299             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1300         }
1301         gtk_window_fullscreen(GTK_WINDOW(s->window));
1302         s->full_screen = TRUE;
1303     } else {
1304         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1305         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1306         if (gtk_check_menu_item_get_active(
1307                     GTK_CHECK_MENU_ITEM(s->show_menubar_item))) {
1308             gtk_widget_show(s->menu_bar);
1309         }
1310         s->full_screen = FALSE;
1311         if (vc->type == GD_VC_GFX) {
1312             vc->gfx.scale_x = 1.0;
1313             vc->gfx.scale_y = 1.0;
1314             gd_update_windowsize(vc);
1315         }
1316     }
1317
1318     gd_update_cursor(vc);
1319 }
1320
1321 static void gd_accel_full_screen(void *opaque)
1322 {
1323     GtkDisplayState *s = opaque;
1324     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1325 }
1326
1327 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1328 {
1329     GtkDisplayState *s = opaque;
1330     VirtualConsole *vc = gd_vc_find_current(s);
1331
1332     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1333                                    FALSE);
1334
1335     vc->gfx.scale_x += VC_SCALE_STEP;
1336     vc->gfx.scale_y += VC_SCALE_STEP;
1337
1338     gd_update_windowsize(vc);
1339 }
1340
1341 static void gd_accel_zoom_in(void *opaque)
1342 {
1343     GtkDisplayState *s = opaque;
1344     gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_in_item));
1345 }
1346
1347 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1348 {
1349     GtkDisplayState *s = opaque;
1350     VirtualConsole *vc = gd_vc_find_current(s);
1351
1352     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1353                                    FALSE);
1354
1355     vc->gfx.scale_x -= VC_SCALE_STEP;
1356     vc->gfx.scale_y -= VC_SCALE_STEP;
1357
1358     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1359     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1360
1361     gd_update_windowsize(vc);
1362 }
1363
1364 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1365 {
1366     GtkDisplayState *s = opaque;
1367     VirtualConsole *vc = gd_vc_find_current(s);
1368
1369     vc->gfx.scale_x = 1.0;
1370     vc->gfx.scale_y = 1.0;
1371
1372     gd_update_windowsize(vc);
1373 }
1374
1375 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1376 {
1377     GtkDisplayState *s = opaque;
1378     VirtualConsole *vc = gd_vc_find_current(s);
1379
1380     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1381         s->free_scale = TRUE;
1382     } else {
1383         s->free_scale = FALSE;
1384         vc->gfx.scale_x = 1.0;
1385         vc->gfx.scale_y = 1.0;
1386     }
1387
1388     gd_update_windowsize(vc);
1389     gd_update_full_redraw(vc);
1390 }
1391
1392 #if GTK_CHECK_VERSION(3, 20, 0)
1393 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1394 {
1395     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1396     GdkSeat *seat = gdk_display_get_default_seat(display);
1397     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1398     GdkSeatCapabilities caps = 0;
1399     GdkCursor *cursor = NULL;
1400
1401     if (kbd) {
1402         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1403     }
1404     if (ptr) {
1405         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1406         cursor = vc->s->null_cursor;
1407     }
1408
1409     if (caps) {
1410         gdk_seat_grab(seat, window, caps, false, cursor,
1411                       NULL, NULL, NULL);
1412     } else {
1413         gdk_seat_ungrab(seat);
1414     }
1415 }
1416 #else
1417 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1418                             GdkInputSource source, GdkEventMask mask,
1419                             GdkCursor *cursor)
1420 {
1421     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1422     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1423     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1424     GList *tmp = devs;
1425
1426     for (tmp = devs; tmp; tmp = tmp->next) {
1427         GdkDevice *dev = tmp->data;
1428         if (gdk_device_get_source(dev) != source) {
1429             continue;
1430         }
1431         if (grab) {
1432             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1433             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1434                             mask, cursor, GDK_CURRENT_TIME);
1435         } else {
1436             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1437         }
1438     }
1439     g_list_free(devs);
1440 }
1441 #endif
1442
1443 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1444 {
1445     if (vc->s->kbd_owner) {
1446         if (vc->s->kbd_owner == vc) {
1447             return;
1448         } else {
1449             gd_ungrab_keyboard(vc->s);
1450         }
1451     }
1452
1453 #if GTK_CHECK_VERSION(3, 20, 0)
1454     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1455 #else
1456     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1457                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1458                    NULL);
1459 #endif
1460     vc->s->kbd_owner = vc;
1461     gd_update_caption(vc->s);
1462     trace_gd_grab(vc->label, "kbd", reason);
1463 }
1464
1465 static void gd_ungrab_keyboard(GtkDisplayState *s)
1466 {
1467     VirtualConsole *vc = s->kbd_owner;
1468
1469     if (vc == NULL) {
1470         return;
1471     }
1472     s->kbd_owner = NULL;
1473
1474 #if GTK_CHECK_VERSION(3, 20, 0)
1475     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1476 #else
1477     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1478 #endif
1479     gd_update_caption(s);
1480     trace_gd_ungrab(vc->label, "kbd");
1481 }
1482
1483 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1484 {
1485     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1486
1487     if (vc->s->ptr_owner) {
1488         if (vc->s->ptr_owner == vc) {
1489             return;
1490         } else {
1491             gd_ungrab_pointer(vc->s);
1492         }
1493     }
1494
1495 #if GTK_CHECK_VERSION(3, 20, 0)
1496     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1497     gdk_device_get_position(gd_get_pointer(display),
1498                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1499 #else
1500     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1501                     GDK_POINTER_MOTION_MASK |
1502                     GDK_BUTTON_PRESS_MASK |
1503                     GDK_BUTTON_RELEASE_MASK |
1504                     GDK_BUTTON_MOTION_MASK |
1505                     GDK_SCROLL_MASK,
1506                     vc->s->null_cursor);
1507     gdk_device_get_position(gd_get_pointer(display),
1508                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1509 #endif
1510     vc->s->ptr_owner = vc;
1511     gd_update_caption(vc->s);
1512     trace_gd_grab(vc->label, "ptr", reason);
1513 }
1514
1515 static void gd_ungrab_pointer(GtkDisplayState *s)
1516 {
1517     VirtualConsole *vc = s->ptr_owner;
1518     GdkDisplay *display;
1519
1520     if (vc == NULL) {
1521         return;
1522     }
1523     s->ptr_owner = NULL;
1524
1525     display = gtk_widget_get_display(vc->gfx.drawing_area);
1526 #if GTK_CHECK_VERSION(3, 20, 0)
1527     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1528     gdk_device_warp(gd_get_pointer(display),
1529                     gtk_widget_get_screen(vc->gfx.drawing_area),
1530                     vc->s->grab_x_root, vc->s->grab_y_root);
1531 #else
1532     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1533     gdk_device_warp(gd_get_pointer(display),
1534                     gtk_widget_get_screen(vc->gfx.drawing_area),
1535                     vc->s->grab_x_root, vc->s->grab_y_root);
1536 #endif
1537     gd_update_caption(s);
1538     trace_gd_ungrab(vc->label, "ptr");
1539 }
1540
1541 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1542 {
1543     GtkDisplayState *s = opaque;
1544     VirtualConsole *vc = gd_vc_find_current(s);
1545
1546     if (gd_is_grab_active(s)) {
1547         gd_grab_keyboard(vc, "user-request-main-window");
1548         gd_grab_pointer(vc, "user-request-main-window");
1549     } else {
1550         gd_ungrab_keyboard(s);
1551         gd_ungrab_pointer(s);
1552     }
1553
1554     gd_update_cursor(vc);
1555 }
1556
1557 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1558                            gpointer data)
1559 {
1560     GtkDisplayState *s = data;
1561     VirtualConsole *vc;
1562     gboolean on_vga;
1563
1564     if (!gtk_widget_get_realized(s->notebook)) {
1565         return;
1566     }
1567
1568     vc = gd_vc_find_by_page(s, arg2);
1569     if (!vc) {
1570         return;
1571     }
1572     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1573                                    TRUE);
1574     on_vga = (vc->type == GD_VC_GFX &&
1575               qemu_console_is_graphic(vc->gfx.dcl.con));
1576     if (!on_vga) {
1577         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1578                                        FALSE);
1579     } else if (s->full_screen) {
1580         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1581                                        TRUE);
1582     }
1583     gtk_widget_set_sensitive(s->grab_item, on_vga);
1584 #ifdef CONFIG_VTE
1585     gtk_widget_set_sensitive(s->copy_item, vc->type == GD_VC_VTE);
1586 #endif
1587
1588     gd_update_windowsize(vc);
1589     gd_update_cursor(vc);
1590 }
1591
1592 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1593                                gpointer opaque)
1594 {
1595     VirtualConsole *vc = opaque;
1596     GtkDisplayState *s = vc->s;
1597
1598     if (gd_grab_on_hover(s)) {
1599         gd_grab_keyboard(vc, "grab-on-hover");
1600     }
1601     return TRUE;
1602 }
1603
1604 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1605                                gpointer opaque)
1606 {
1607     VirtualConsole *vc = opaque;
1608     GtkDisplayState *s = vc->s;
1609
1610     if (gd_grab_on_hover(s)) {
1611         gd_ungrab_keyboard(s);
1612     }
1613     return TRUE;
1614 }
1615
1616 static gboolean gd_focus_out_event(GtkWidget *widget,
1617                                    GdkEventCrossing *crossing, gpointer opaque)
1618 {
1619     VirtualConsole *vc = opaque;
1620     GtkDisplayState *s = vc->s;
1621
1622     gtk_release_modifiers(s);
1623     return TRUE;
1624 }
1625
1626 static gboolean gd_configure(GtkWidget *widget,
1627                              GdkEventConfigure *cfg, gpointer opaque)
1628 {
1629     VirtualConsole *vc = opaque;
1630
1631     gd_set_ui_info(vc, cfg->width, cfg->height);
1632     return FALSE;
1633 }
1634
1635 /** Virtual Console Callbacks **/
1636
1637 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1638                                int idx, GSList *group, GtkWidget *view_menu)
1639 {
1640     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1641     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1642             HOTKEY_MODIFIERS, 0,
1643             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1644     gtk_accel_label_set_accel(
1645             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1646             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1647
1648     g_signal_connect(vc->menu_item, "activate",
1649                      G_CALLBACK(gd_menu_switch_vc), s);
1650     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1651
1652     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1653     return group;
1654 }
1655
1656 #if defined(CONFIG_VTE)
1657 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1658 {
1659     GtkDisplayState *s = opaque;
1660     VirtualConsole *vc = gd_vc_find_current(s);
1661
1662 #if VTE_CHECK_VERSION(0, 50, 0)
1663     vte_terminal_copy_clipboard_format(VTE_TERMINAL(vc->vte.terminal),
1664                                        VTE_FORMAT_TEXT);
1665 #else
1666     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1667 #endif
1668 }
1669
1670 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1671 {
1672     VirtualConsole *vc = opaque;
1673
1674     if (gtk_adjustment_get_upper(adjustment) >
1675         gtk_adjustment_get_page_size(adjustment)) {
1676         gtk_widget_show(vc->vte.scrollbar);
1677     } else {
1678         gtk_widget_hide(vc->vte.scrollbar);
1679     }
1680 }
1681
1682 static int gd_vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1683 {
1684     VCChardev *vcd = VC_CHARDEV(chr);
1685     VirtualConsole *vc = vcd->console;
1686
1687     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1688     return len;
1689 }
1690
1691 static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
1692 {
1693     VCChardev *vcd = VC_CHARDEV(chr);
1694     VirtualConsole *vc = vcd->console;
1695
1696     if (vc) {
1697         vc->vte.echo = echo;
1698     } else {
1699         vcd->echo = echo;
1700     }
1701 }
1702
1703 static int nb_vcs;
1704 static Chardev *vcs[MAX_VCS];
1705 static void gd_vc_open(Chardev *chr,
1706                        ChardevBackend *backend,
1707                        bool *be_opened,
1708                        Error **errp)
1709 {
1710     if (nb_vcs == MAX_VCS) {
1711         error_setg(errp, "Maximum number of consoles reached");
1712         return;
1713     }
1714
1715     vcs[nb_vcs++] = chr;
1716
1717     /* console/chardev init sometimes completes elsewhere in a 2nd
1718      * stage, so defer OPENED events until they are fully initialized
1719      */
1720     *be_opened = false;
1721 }
1722
1723 static void char_gd_vc_class_init(ObjectClass *oc, void *data)
1724 {
1725     ChardevClass *cc = CHARDEV_CLASS(oc);
1726
1727     cc->parse = qemu_chr_parse_vc;
1728     cc->open = gd_vc_open;
1729     cc->chr_write = gd_vc_chr_write;
1730     cc->chr_set_echo = gd_vc_chr_set_echo;
1731 }
1732
1733 static const TypeInfo char_gd_vc_type_info = {
1734     .name = TYPE_CHARDEV_VC,
1735     .parent = TYPE_CHARDEV,
1736     .instance_size = sizeof(VCChardev),
1737     .class_init = char_gd_vc_class_init,
1738 };
1739
1740 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1741                          gpointer user_data)
1742 {
1743     VirtualConsole *vc = user_data;
1744
1745     if (vc->vte.echo) {
1746         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1747         int i;
1748         for (i = 0; i < size; i++) {
1749             uint8_t c = text[i];
1750             if (c >= 128 || isprint(c)) {
1751                 /* 8-bit characters are considered printable.  */
1752                 vte_terminal_feed(term, &text[i], 1);
1753             } else if (c == '\r' || c == '\n') {
1754                 vte_terminal_feed(term, "\r\n", 2);
1755             } else {
1756                 char ctrl[2] = { '^', 0};
1757                 ctrl[1] = text[i] ^ 64;
1758                 vte_terminal_feed(term, ctrl, 2);
1759             }
1760         }
1761     }
1762
1763     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1764     return TRUE;
1765 }
1766
1767 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1768                               Chardev *chr, int idx,
1769                               GSList *group, GtkWidget *view_menu)
1770 {
1771     char buffer[32];
1772     GtkWidget *box;
1773     GtkWidget *scrollbar;
1774     GtkAdjustment *vadjustment;
1775     VCChardev *vcd = VC_CHARDEV(chr);
1776
1777     vc->s = s;
1778     vc->vte.echo = vcd->echo;
1779     vc->vte.chr = chr;
1780     vcd->console = vc;
1781
1782     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1783     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1784                                 ? vc->vte.chr->label : buffer);
1785     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1786
1787     vc->vte.terminal = vte_terminal_new();
1788     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1789
1790     /* The documentation says that the default is UTF-8, but actually it is
1791      * 7-bit ASCII at least in VTE 0.38. The function is deprecated since
1792      * VTE 0.54 (only UTF-8 is supported now). */
1793 #if !VTE_CHECK_VERSION(0, 54, 0)
1794 #if VTE_CHECK_VERSION(0, 38, 0)
1795     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1796 #else
1797     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1798 #endif
1799 #endif
1800
1801     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1802     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1803                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1804
1805 #if VTE_CHECK_VERSION(0, 28, 0)
1806     vadjustment = gtk_scrollable_get_vadjustment
1807         (GTK_SCROLLABLE(vc->vte.terminal));
1808 #else
1809     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1810 #endif
1811
1812     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1813     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1814
1815     gtk_box_pack_end(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1816     gtk_box_pack_end(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1817
1818     vc->vte.box = box;
1819     vc->vte.scrollbar = scrollbar;
1820
1821     g_signal_connect(vadjustment, "changed",
1822                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1823
1824     vc->type = GD_VC_VTE;
1825     vc->tab_item = box;
1826     vc->focus = vc->vte.terminal;
1827     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1828                              gtk_label_new(vc->label));
1829
1830     qemu_chr_be_event(vc->vte.chr, CHR_EVENT_OPENED);
1831
1832     return group;
1833 }
1834
1835 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1836                         GtkWidget *view_menu)
1837 {
1838     int i;
1839
1840     for (i = 0; i < nb_vcs; i++) {
1841         VirtualConsole *vc = &s->vc[s->nb_vcs];
1842         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1843         s->nb_vcs++;
1844     }
1845 }
1846 #endif /* CONFIG_VTE */
1847
1848 /** Window Creation **/
1849
1850 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1851 {
1852     g_signal_connect(vc->gfx.drawing_area, "draw",
1853                      G_CALLBACK(gd_draw_event), vc);
1854 #if defined(CONFIG_GTK_GL)
1855     if (gtk_use_gl_area) {
1856         /* wire up GtkGlArea events */
1857         g_signal_connect(vc->gfx.drawing_area, "render",
1858                          G_CALLBACK(gd_render_event), vc);
1859         g_signal_connect(vc->gfx.drawing_area, "resize",
1860                          G_CALLBACK(gd_resize_event), vc);
1861     }
1862 #endif
1863     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1864         g_signal_connect(vc->gfx.drawing_area, "event",
1865                          G_CALLBACK(gd_event), vc);
1866         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1867                          G_CALLBACK(gd_button_event), vc);
1868         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1869                          G_CALLBACK(gd_button_event), vc);
1870         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1871                          G_CALLBACK(gd_scroll_event), vc);
1872         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1873                          G_CALLBACK(gd_key_event), vc);
1874         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1875                          G_CALLBACK(gd_key_event), vc);
1876
1877         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1878                          G_CALLBACK(gd_enter_event), vc);
1879         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1880                          G_CALLBACK(gd_leave_event), vc);
1881         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1882                          G_CALLBACK(gd_focus_out_event), vc);
1883         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1884                          G_CALLBACK(gd_configure), vc);
1885     } else {
1886         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1887                          G_CALLBACK(gd_text_key_down), vc);
1888     }
1889 }
1890
1891 static void gd_connect_signals(GtkDisplayState *s)
1892 {
1893     g_signal_connect(s->show_tabs_item, "activate",
1894                      G_CALLBACK(gd_menu_show_tabs), s);
1895     g_signal_connect(s->untabify_item, "activate",
1896                      G_CALLBACK(gd_menu_untabify), s);
1897     g_signal_connect(s->show_menubar_item, "activate",
1898                      G_CALLBACK(gd_menu_show_menubar), s);
1899
1900     g_signal_connect(s->window, "delete-event",
1901                      G_CALLBACK(gd_window_close), s);
1902
1903     g_signal_connect(s->pause_item, "activate",
1904                      G_CALLBACK(gd_menu_pause), s);
1905     g_signal_connect(s->reset_item, "activate",
1906                      G_CALLBACK(gd_menu_reset), s);
1907     g_signal_connect(s->powerdown_item, "activate",
1908                      G_CALLBACK(gd_menu_powerdown), s);
1909     g_signal_connect(s->quit_item, "activate",
1910                      G_CALLBACK(gd_menu_quit), s);
1911 #if defined(CONFIG_VTE)
1912     g_signal_connect(s->copy_item, "activate",
1913                      G_CALLBACK(gd_menu_copy), s);
1914 #endif
1915     g_signal_connect(s->full_screen_item, "activate",
1916                      G_CALLBACK(gd_menu_full_screen), s);
1917     g_signal_connect(s->zoom_in_item, "activate",
1918                      G_CALLBACK(gd_menu_zoom_in), s);
1919     g_signal_connect(s->zoom_out_item, "activate",
1920                      G_CALLBACK(gd_menu_zoom_out), s);
1921     g_signal_connect(s->zoom_fixed_item, "activate",
1922                      G_CALLBACK(gd_menu_zoom_fixed), s);
1923     g_signal_connect(s->zoom_fit_item, "activate",
1924                      G_CALLBACK(gd_menu_zoom_fit), s);
1925     g_signal_connect(s->grab_item, "activate",
1926                      G_CALLBACK(gd_menu_grab_input), s);
1927     g_signal_connect(s->notebook, "switch-page",
1928                      G_CALLBACK(gd_change_page), s);
1929 }
1930
1931 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1932 {
1933     GtkWidget *machine_menu;
1934     GtkWidget *separator;
1935
1936     machine_menu = gtk_menu_new();
1937     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1938
1939     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1940     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1941
1942     separator = gtk_separator_menu_item_new();
1943     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1944
1945     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1946     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1947
1948     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1949     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1950
1951     separator = gtk_separator_menu_item_new();
1952     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1953
1954     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1955     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1956                                  "<QEMU>/Machine/Quit");
1957     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1958                             GDK_KEY_q, HOTKEY_MODIFIERS);
1959     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1960
1961     return machine_menu;
1962 }
1963
1964 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1965                               QemuConsole *con, int idx,
1966                               GSList *group, GtkWidget *view_menu)
1967 {
1968     bool zoom_to_fit = false;
1969
1970     vc->label = qemu_console_get_label(con);
1971     vc->s = s;
1972     vc->gfx.scale_x = 1.0;
1973     vc->gfx.scale_y = 1.0;
1974
1975 #if defined(CONFIG_OPENGL)
1976     if (display_opengl) {
1977 #if defined(CONFIG_GTK_GL)
1978         if (gtk_use_gl_area) {
1979             vc->gfx.drawing_area = gtk_gl_area_new();
1980             vc->gfx.dcl.ops = &dcl_gl_area_ops;
1981         } else
1982 #endif /* CONFIG_GTK_GL */
1983         {
1984             vc->gfx.drawing_area = gtk_drawing_area_new();
1985             /*
1986              * gtk_widget_set_double_buffered() was deprecated in 3.14.
1987              * It is required for opengl rendering on X11 though.  A
1988              * proper replacement (native opengl support) is only
1989              * available in 3.16+.  Silence the warning if possible.
1990              */
1991 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1992 #pragma GCC diagnostic push
1993 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1994 #endif
1995             gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1996 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1997 #pragma GCC diagnostic pop
1998 #endif
1999             vc->gfx.dcl.ops = &dcl_egl_ops;
2000         }
2001     } else
2002 #endif
2003     {
2004         vc->gfx.drawing_area = gtk_drawing_area_new();
2005         vc->gfx.dcl.ops = &dcl_ops;
2006     }
2007
2008
2009     gtk_widget_add_events(vc->gfx.drawing_area,
2010                           GDK_POINTER_MOTION_MASK |
2011                           GDK_BUTTON_PRESS_MASK |
2012                           GDK_BUTTON_RELEASE_MASK |
2013                           GDK_BUTTON_MOTION_MASK |
2014                           GDK_ENTER_NOTIFY_MASK |
2015                           GDK_LEAVE_NOTIFY_MASK |
2016                           GDK_SCROLL_MASK |
2017                           GDK_SMOOTH_SCROLL_MASK |
2018                           GDK_KEY_PRESS_MASK);
2019     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
2020
2021     vc->type = GD_VC_GFX;
2022     vc->tab_item = vc->gfx.drawing_area;
2023     vc->focus = vc->gfx.drawing_area;
2024     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
2025                              vc->tab_item, gtk_label_new(vc->label));
2026
2027     vc->gfx.kbd = qkbd_state_init(con);
2028     vc->gfx.dcl.con = con;
2029     register_displaychangelistener(&vc->gfx.dcl);
2030
2031     gd_connect_vc_gfx_signals(vc);
2032     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
2033
2034     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
2035         zoom_to_fit = true;
2036     }
2037     if (s->opts->u.gtk.has_zoom_to_fit) {
2038         zoom_to_fit = s->opts->u.gtk.zoom_to_fit;
2039     }
2040     if (zoom_to_fit) {
2041         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
2042         s->free_scale = true;
2043     }
2044
2045     return group;
2046 }
2047
2048 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2049 {
2050     GSList *group = NULL;
2051     GtkWidget *view_menu;
2052     GtkWidget *separator;
2053     QemuConsole *con;
2054     int vc;
2055
2056     view_menu = gtk_menu_new();
2057     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2058
2059     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2060
2061 #if defined(CONFIG_VTE)
2062     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2063     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2064 #endif
2065
2066     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2067             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2068     gtk_accel_label_set_accel(
2069             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2070             GDK_KEY_f, HOTKEY_MODIFIERS);
2071     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2072
2073     separator = gtk_separator_menu_item_new();
2074     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2075
2076     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2077     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2078                                  "<QEMU>/View/Zoom In");
2079     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2080                             HOTKEY_MODIFIERS);
2081     gtk_accel_group_connect(s->accel_group, GDK_KEY_equal, HOTKEY_MODIFIERS, 0,
2082             g_cclosure_new_swap(G_CALLBACK(gd_accel_zoom_in), s, NULL));
2083     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2084
2085     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2086     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2087                                  "<QEMU>/View/Zoom Out");
2088     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2089                             HOTKEY_MODIFIERS);
2090     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2091
2092     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2093     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2094                                  "<QEMU>/View/Zoom Fixed");
2095     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2096                             HOTKEY_MODIFIERS);
2097     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2098
2099     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2100     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2101
2102     separator = gtk_separator_menu_item_new();
2103     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2104
2105     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2106     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2107
2108     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2109     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2110                                  "<QEMU>/View/Grab Input");
2111     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2112                             HOTKEY_MODIFIERS);
2113     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2114
2115     separator = gtk_separator_menu_item_new();
2116     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2117
2118     /* gfx */
2119     for (vc = 0;; vc++) {
2120         con = qemu_console_lookup_by_index(vc);
2121         if (!con) {
2122             break;
2123         }
2124         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2125                                vc, group, view_menu);
2126         s->nb_vcs++;
2127     }
2128
2129 #if defined(CONFIG_VTE)
2130     /* vte */
2131     gd_vcs_init(s, group, view_menu);
2132 #endif
2133
2134     separator = gtk_separator_menu_item_new();
2135     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2136
2137     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2138     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2139
2140     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2141     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2142
2143     s->show_menubar_item = gtk_check_menu_item_new_with_mnemonic(
2144             _("Show Menubar"));
2145     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->show_menubar_item),
2146                                    TRUE);
2147     gtk_accel_group_connect(s->accel_group, GDK_KEY_m, HOTKEY_MODIFIERS, 0,
2148             g_cclosure_new_swap(G_CALLBACK(gd_accel_show_menubar), s, NULL));
2149     gtk_accel_label_set_accel(
2150             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->show_menubar_item))),
2151             GDK_KEY_m, HOTKEY_MODIFIERS);
2152     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_menubar_item);
2153
2154     return view_menu;
2155 }
2156
2157 static void gd_create_menus(GtkDisplayState *s)
2158 {
2159     GtkSettings *settings;
2160
2161     s->accel_group = gtk_accel_group_new();
2162     s->machine_menu = gd_create_menu_machine(s);
2163     s->view_menu = gd_create_menu_view(s);
2164
2165     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2166     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2167                               s->machine_menu);
2168     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2169
2170     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2171     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2172     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2173
2174     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2175     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2176
2177     /* Disable the default "F10" menu shortcut. */
2178     settings = gtk_widget_get_settings(s->window);
2179     g_object_set(G_OBJECT(settings), "gtk-menu-bar-accel", "", NULL);
2180 }
2181
2182
2183 static gboolean gtkinit;
2184
2185 static void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
2186 {
2187     VirtualConsole *vc;
2188
2189     GtkDisplayState *s = g_malloc0(sizeof(*s));
2190     GdkDisplay *window_display;
2191     GtkIconTheme *theme;
2192
2193     if (!gtkinit) {
2194         fprintf(stderr, "gtk initialization failed\n");
2195         exit(1);
2196     }
2197     assert(opts->type == DISPLAY_TYPE_GTK);
2198     s->opts = opts;
2199
2200     theme = gtk_icon_theme_get_default();
2201     gtk_icon_theme_prepend_search_path(theme, CONFIG_QEMU_ICONDIR);
2202     g_set_prgname("qemu");
2203
2204     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2205     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2206     s->notebook = gtk_notebook_new();
2207     s->menu_bar = gtk_menu_bar_new();
2208
2209     s->free_scale = FALSE;
2210
2211     /* Mostly LC_MESSAGES only. See early_gtk_display_init() for details. For
2212      * LC_CTYPE, we need to make sure that non-ASCII characters are considered
2213      * printable, but without changing any of the character classes to make
2214      * sure that we don't accidentally break implicit assumptions.  */
2215     setlocale(LC_MESSAGES, "");
2216     setlocale(LC_CTYPE, "C.UTF-8");
2217     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2218     textdomain("qemu");
2219
2220     window_display = gtk_widget_get_display(s->window);
2221     s->null_cursor = gdk_cursor_new_for_display(window_display,
2222                                                 GDK_BLANK_CURSOR);
2223
2224     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2225     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2226     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2227
2228     gtk_window_set_icon_name(GTK_WINDOW(s->window), "qemu");
2229
2230     gd_create_menus(s);
2231
2232     gd_connect_signals(s);
2233
2234     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2235     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2236
2237     gd_update_caption(s);
2238
2239     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2240     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2241
2242     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2243
2244     gtk_widget_show_all(s->window);
2245
2246     vc = gd_vc_find_current(s);
2247     gtk_widget_set_sensitive(s->view_menu, vc != NULL);
2248 #ifdef CONFIG_VTE
2249     gtk_widget_set_sensitive(s->copy_item,
2250                              vc && vc->type == GD_VC_VTE);
2251 #endif
2252
2253     if (opts->has_full_screen &&
2254         opts->full_screen) {
2255         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2256     }
2257     if (opts->u.gtk.has_grab_on_hover &&
2258         opts->u.gtk.grab_on_hover) {
2259         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2260     }
2261 }
2262
2263 static void early_gtk_display_init(DisplayOptions *opts)
2264 {
2265     /* The QEMU code relies on the assumption that it's always run in
2266      * the C locale. Therefore it is not prepared to deal with
2267      * operations that produce different results depending on the
2268      * locale, such as printf's formatting of decimal numbers, and
2269      * possibly others.
2270      *
2271      * Since GTK+ calls setlocale() by default -importing the locale
2272      * settings from the environment- we must prevent it from doing so
2273      * using gtk_disable_setlocale().
2274      *
2275      * QEMU's GTK+ UI, however, _does_ have translations for some of
2276      * the menu items. As a trade-off between a functionally correct
2277      * QEMU and a fully internationalized UI we support importing
2278      * LC_MESSAGES from the environment (see the setlocale() call
2279      * earlier in this file). This allows us to display translated
2280      * messages leaving everything else untouched.
2281      */
2282     gtk_disable_setlocale();
2283     gtkinit = gtk_init_check(NULL, NULL);
2284     if (!gtkinit) {
2285         /* don't exit yet, that'll break -help */
2286         return;
2287     }
2288
2289     assert(opts->type == DISPLAY_TYPE_GTK);
2290     if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
2291 #if defined(CONFIG_OPENGL)
2292 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
2293         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
2294             gtk_use_gl_area = true;
2295             gtk_gl_area_init();
2296         } else
2297 #endif
2298         {
2299             DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
2300             gtk_egl_init(mode);
2301         }
2302 #endif
2303     }
2304
2305     keycode_map = gd_get_keymap(&keycode_maplen);
2306
2307 #if defined(CONFIG_VTE)
2308     type_register(&char_gd_vc_type_info);
2309 #endif
2310 }
2311
2312 static QemuDisplay qemu_display_gtk = {
2313     .type       = DISPLAY_TYPE_GTK,
2314     .early_init = early_gtk_display_init,
2315     .init       = gtk_display_init,
2316 };
2317
2318 static void register_gtk(void)
2319 {
2320     qemu_display_register(&qemu_display_gtk);
2321 }
2322
2323 type_init(register_gtk);