ui/gtk.c

   1 /*
   2  * GTK UI
   3  *
   4  * Copyright IBM, Corp. 2012
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <[email protected]>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  *
  12  * Portions from gtk-vnc:
  13  *
  14  * GTK VNC Widget
  15  *
  16  * Copyright (C) 2006  Anthony Liguori <[email protected]>
  17  * Copyright (C) 2009-2010 Daniel P. Berrange <[email protected]>
  18  *
  19  * This library is free software; you can redistribute it and/or
  20  * modify it under the terms of the GNU Lesser General Public
  21  * License as published by the Free Software Foundation; either
  22  * version 2.0 of the License, or (at your option) any later version.
  23  *
  24  * This library is distributed in the hope that it will be useful,
  25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  27  * Lesser General Public License for more details.
  28  *
  29  * You should have received a copy of the GNU Lesser General Public
  30  * License along with this library; if not, write to the Free Software
  31  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  32  */
  33
  34 #define GETTEXT_PACKAGE "qemu"
  35 #define LOCALEDIR "po"
  36
  37 #include "qemu/osdep.h"
  38 #include "qemu-common.h"
  39 #include "qemu/cutils.h"
  40
  41 #include "ui/console.h"
  42 #include "ui/gtk.h"
  43
  44 #include <glib/gi18n.h>
  45 #include <locale.h>
  46 #if defined(CONFIG_VTE)
  47 #include <vte/vte.h>
  48 #endif
  49 #include <math.h>
  50
  51 #include "trace.h"
  52 #include "ui/input.h"
  53 #include "sysemu/sysemu.h"
  54 #include "qmp-commands.h"
  55 #include "x_keymap.h"
  56 #include "keymaps.h"
  57 #include "sysemu/char.h"
  58 #include "qom/object.h"
  59
  60 #define MAX_VCS 10
  61 #define VC_WINDOW_X_MIN  320
  62 #define VC_WINDOW_Y_MIN  240
  63 #define VC_TERM_X_MIN     80
  64 #define VC_TERM_Y_MIN     25
  65 #define VC_SCALE_MIN    0.25
  66 #define VC_SCALE_STEP   0.25
  67
  68 #if !defined(CONFIG_VTE)
  69 # define VTE_CHECK_VERSION(a, b, c) 0
  70 #endif
  71
  72 #if defined(CONFIG_VTE) && !GTK_CHECK_VERSION(3, 0, 0)
  73 /*
  74  * The gtk2 vte terminal widget seriously messes up the window resize
  75  * for some reason.  You basically can't make the qemu window smaller
  76  * any more because the toplevel window geoemtry hints are overridden.
  77  *
  78  * Workaround that by hiding all vte widgets, except the one in the
  79  * current tab.
  80  *
  81  * Luckily everything works smooth in gtk3.
  82  */
  83 # define VTE_RESIZE_HACK 1
  84 #endif
  85
  86 #if !GTK_CHECK_VERSION(2, 20, 0)
  87 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
  88 #endif
  89
  90 #ifndef GDK_IS_X11_DISPLAY
  91 #define GDK_IS_X11_DISPLAY(dpy) (dpy == dpy)
  92 #endif
  93 #ifndef GDK_IS_WIN32_DISPLAY
  94 #define GDK_IS_WIN32_DISPLAY(dpy) (dpy == dpy)
  95 #endif
  96
  97 #ifndef GDK_KEY_0
  98 #define GDK_KEY_0 GDK_0
  99 #define GDK_KEY_1 GDK_1
 100 #define GDK_KEY_2 GDK_2
 101 #define GDK_KEY_f GDK_f
 102 #define GDK_KEY_g GDK_g
 103 #define GDK_KEY_q GDK_q
 104 #define GDK_KEY_plus GDK_plus
 105 #define GDK_KEY_minus GDK_minus
 106 #define GDK_KEY_Pause GDK_Pause
 107 #endif
 108
 109 /* Some older mingw versions lack this constant or have
 110  * it conditionally defined */
 111 #ifdef _WIN32
 112 # ifndef MAPVK_VK_TO_VSC
 113 #  define MAPVK_VK_TO_VSC 0
 114 # endif
 115 #endif
 116
 117
 118 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 119
 120 static const int modifier_keycode[] = {
 121     /* shift, control, alt keys, meta keys, both left & right */
 122     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
 123 };
 124
 125 struct GtkDisplayState {
 126     GtkWidget *window;
 127
 128     GtkWidget *menu_bar;
 129
 130     GtkAccelGroup *accel_group;
 131
 132     GtkWidget *machine_menu_item;
 133     GtkWidget *machine_menu;
 134     GtkWidget *pause_item;
 135     GtkWidget *reset_item;
 136     GtkWidget *powerdown_item;
 137     GtkWidget *quit_item;
 138
 139     GtkWidget *view_menu_item;
 140     GtkWidget *view_menu;
 141     GtkWidget *full_screen_item;
 142     GtkWidget *copy_item;
 143     GtkWidget *zoom_in_item;
 144     GtkWidget *zoom_out_item;
 145     GtkWidget *zoom_fixed_item;
 146     GtkWidget *zoom_fit_item;
 147     GtkWidget *grab_item;
 148     GtkWidget *grab_on_hover_item;
 149
 150     int nb_vcs;
 151     VirtualConsole vc[MAX_VCS];
 152
 153     GtkWidget *show_tabs_item;
 154     GtkWidget *untabify_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 modifier_pressed[ARRAY_SIZE(modifier_keycode)];
 176     bool has_evdev;
 177     bool ignore_keys;
 178 };
 179
 180 static void gd_grab_pointer(VirtualConsole *vc, const char *reason);
 181 static void gd_ungrab_pointer(GtkDisplayState *s);
 182 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason);
 183 static void gd_ungrab_keyboard(GtkDisplayState *s);
 184
 185 /** Utility Functions **/
 186
 187 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 188 {
 189     VirtualConsole *vc;
 190     gint i;
 191
 192     for (i = 0; i < s->nb_vcs; i++) {
 193         vc = &s->vc[i];
 194         if (gtk_check_menu_item_get_active
 195             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 196             return vc;
 197         }
 198     }
 199     return NULL;
 200 }
 201
 202 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 203 {
 204     VirtualConsole *vc;
 205     gint i, p;
 206
 207     for (i = 0; i < s->nb_vcs; i++) {
 208         vc = &s->vc[i];
 209         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 210         if (p == page) {
 211             return vc;
 212         }
 213     }
 214     return NULL;
 215 }
 216
 217 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 218 {
 219     gint page;
 220
 221     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 222     return gd_vc_find_by_page(s, page);
 223 }
 224
 225 static bool gd_is_grab_active(GtkDisplayState *s)
 226 {
 227     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 228 }
 229
 230 static bool gd_grab_on_hover(GtkDisplayState *s)
 231 {
 232     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 233 }
 234
 235 static void gd_update_cursor(VirtualConsole *vc)
 236 {
 237     GtkDisplayState *s = vc->s;
 238     GdkWindow *window;
 239
 240     if (vc->type != GD_VC_GFX ||
 241         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 242         return;
 243     }
 244
 245     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 246         return;
 247     }
 248
 249     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 250     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 251         gdk_window_set_cursor(window, s->null_cursor);
 252     } else {
 253         gdk_window_set_cursor(window, NULL);
 254     }
 255 }
 256
 257 static void gd_update_caption(GtkDisplayState *s)
 258 {
 259     const char *status = "";
 260     gchar *prefix;
 261     gchar *title;
 262     const char *grab = "";
 263     bool is_paused = !runstate_is_running();
 264     int i;
 265
 266     if (qemu_name) {
 267         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 268     } else {
 269         prefix = g_strdup_printf("QEMU");
 270     }
 271
 272     if (s->ptr_owner != NULL &&
 273         s->ptr_owner->window == NULL) {
 274         grab = _(" - Press Ctrl+Alt+G to release grab");
 275     }
 276
 277     if (is_paused) {
 278         status = _(" [Paused]");
 279     }
 280     s->external_pause_update = true;
 281     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 282                                    is_paused);
 283     s->external_pause_update = false;
 284
 285     title = g_strdup_printf("%s%s%s", prefix, status, grab);
 286     gtk_window_set_title(GTK_WINDOW(s->window), title);
 287     g_free(title);
 288
 289     for (i = 0; i < s->nb_vcs; i++) {
 290         VirtualConsole *vc = &s->vc[i];
 291
 292         if (!vc->window) {
 293             continue;
 294         }
 295         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 296                                 vc == s->kbd_owner ? " +kbd" : "",
 297                                 vc == s->ptr_owner ? " +ptr" : "");
 298         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 299         g_free(title);
 300     }
 301
 302     g_free(prefix);
 303 }
 304
 305 static void gd_update_geometry_hints(VirtualConsole *vc)
 306 {
 307     GtkDisplayState *s = vc->s;
 308     GdkWindowHints mask = 0;
 309     GdkGeometry geo = {};
 310     GtkWidget *geo_widget = NULL;
 311     GtkWindow *geo_window;
 312
 313     if (vc->type == GD_VC_GFX) {
 314         if (!vc->gfx.ds) {
 315             return;
 316         }
 317         if (s->free_scale) {
 318             geo.min_width  = surface_width(vc->gfx.ds) * VC_SCALE_MIN;
 319             geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN;
 320             mask |= GDK_HINT_MIN_SIZE;
 321         } else {
 322             geo.min_width  = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 323             geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 324             mask |= GDK_HINT_MIN_SIZE;
 325         }
 326         geo_widget = vc->gfx.drawing_area;
 327         gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height);
 328
 329 #if defined(CONFIG_VTE)
 330     } else if (vc->type == GD_VC_VTE) {
 331         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
 332         GtkBorder padding = { 0 };
 333
 334 #if VTE_CHECK_VERSION(0, 37, 0)
 335         gtk_style_context_get_padding(
 336                 gtk_widget_get_style_context(vc->vte.terminal),
 337                 gtk_widget_get_state_flags(vc->vte.terminal),
 338                 &padding);
 339 #else
 340         {
 341             GtkBorder *ib = NULL;
 342             gtk_widget_style_get(vc->vte.terminal, "inner-border", &ib, NULL);
 343             if (ib) {
 344                 padding = *ib;
 345                 gtk_border_free(ib);
 346             }
 347         }
 348 #endif
 349
 350         geo.width_inc  = vte_terminal_get_char_width(term);
 351         geo.height_inc = vte_terminal_get_char_height(term);
 352         mask |= GDK_HINT_RESIZE_INC;
 353         geo.base_width  = geo.width_inc;
 354         geo.base_height = geo.height_inc;
 355         mask |= GDK_HINT_BASE_SIZE;
 356         geo.min_width  = geo.width_inc * VC_TERM_X_MIN;
 357         geo.min_height = geo.height_inc * VC_TERM_Y_MIN;
 358         mask |= GDK_HINT_MIN_SIZE;
 359
 360         geo.base_width  += padding.left + padding.right;
 361         geo.base_height += padding.top + padding.bottom;
 362         geo.min_width   += padding.left + padding.right;
 363         geo.min_height  += padding.top + padding.bottom;
 364         geo_widget = vc->vte.terminal;
 365 #endif
 366     }
 367
 368     geo_window = GTK_WINDOW(vc->window ? vc->window : s->window);
 369     gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask);
 370 }
 371
 372 void gd_update_windowsize(VirtualConsole *vc)
 373 {
 374     GtkDisplayState *s = vc->s;
 375
 376     gd_update_geometry_hints(vc);
 377
 378     if (vc->type == GD_VC_GFX && !s->full_screen && !s->free_scale) {
 379         gtk_window_resize(GTK_WINDOW(vc->window ? vc->window : s->window),
 380                           VC_WINDOW_X_MIN, VC_WINDOW_Y_MIN);
 381     }
 382 }
 383
 384 static void gd_update_full_redraw(VirtualConsole *vc)
 385 {
 386     GtkWidget *area = vc->gfx.drawing_area;
 387     int ww, wh;
 388     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
 389 #if defined(CONFIG_GTK_GL)
 390     if (vc->gfx.gls) {
 391         gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
 392         return;
 393     }
 394 #endif
 395     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 396 }
 397
 398 static void gtk_release_modifiers(GtkDisplayState *s)
 399 {
 400     VirtualConsole *vc = gd_vc_find_current(s);
 401     int i, keycode;
 402
 403     if (vc->type != GD_VC_GFX ||
 404         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
 405         return;
 406     }
 407     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 408         keycode = modifier_keycode[i];
 409         if (!s->modifier_pressed[i]) {
 410             continue;
 411         }
 412         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
 413         s->modifier_pressed[i] = false;
 414     }
 415 }
 416
 417 static void gd_widget_reparent(GtkWidget *from, GtkWidget *to,
 418                                GtkWidget *widget)
 419 {
 420     g_object_ref(G_OBJECT(widget));
 421     gtk_container_remove(GTK_CONTAINER(from), widget);
 422     gtk_container_add(GTK_CONTAINER(to), widget);
 423     g_object_unref(G_OBJECT(widget));
 424 }
 425
 426 /** DisplayState Callbacks **/
 427
 428 static void gd_update(DisplayChangeListener *dcl,
 429                       int x, int y, int w, int h)
 430 {
 431     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 432     GdkWindow *win;
 433     int x1, x2, y1, y2;
 434     int mx, my;
 435     int fbw, fbh;
 436     int ww, wh;
 437
 438     trace_gd_update(vc->label, x, y, w, h);
 439
 440     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 441         return;
 442     }
 443
 444     if (vc->gfx.convert) {
 445         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 446                                NULL, vc->gfx.convert,
 447                                x, y, 0, 0, x, y, w, h);
 448     }
 449
 450     x1 = floor(x * vc->gfx.scale_x);
 451     y1 = floor(y * vc->gfx.scale_y);
 452
 453     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 454     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 455
 456     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 457     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 458
 459     win = gtk_widget_get_window(vc->gfx.drawing_area);
 460     if (!win) {
 461         return;
 462     }
 463     gdk_drawable_get_size(win, &ww, &wh);
 464
 465     mx = my = 0;
 466     if (ww > fbw) {
 467         mx = (ww - fbw) / 2;
 468     }
 469     if (wh > fbh) {
 470         my = (wh - fbh) / 2;
 471     }
 472
 473     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 474                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 475 }
 476
 477 static void gd_refresh(DisplayChangeListener *dcl)
 478 {
 479     graphic_hw_update(dcl->con);
 480 }
 481
 482 #if GTK_CHECK_VERSION(3, 0, 0)
 483 static GdkDevice *gd_get_pointer(GdkDisplay *dpy)
 484 {
 485 #if GTK_CHECK_VERSION(3, 20, 0)
 486     return gdk_seat_get_pointer(gdk_display_get_default_seat(dpy));
 487 #else
 488     return gdk_device_manager_get_client_pointer(
 489         gdk_display_get_device_manager(dpy));
 490 #endif
 491 }
 492
 493 static void gd_mouse_set(DisplayChangeListener *dcl,
 494                          int x, int y, int visible)
 495 {
 496     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 497     GdkDisplay *dpy;
 498     gint x_root, y_root;
 499
 500     if (qemu_input_is_absolute()) {
 501         return;
 502     }
 503
 504     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 505     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 506                                x, y, &x_root, &y_root);
 507     gdk_device_warp(gd_get_pointer(dpy),
 508                     gtk_widget_get_screen(vc->gfx.drawing_area),
 509                     x_root, y_root);
 510     vc->s->last_x = x;
 511     vc->s->last_y = y;
 512 }
 513 #else
 514 static void gd_mouse_set(DisplayChangeListener *dcl,
 515                          int x, int y, int visible)
 516 {
 517     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 518     gint x_root, y_root;
 519
 520     if (qemu_input_is_absolute()) {
 521         return;
 522     }
 523
 524     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 525                                x, y, &x_root, &y_root);
 526     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
 527                              gtk_widget_get_screen(vc->gfx.drawing_area),
 528                              x_root, y_root);
 529 }
 530 #endif
 531
 532 static void gd_cursor_define(DisplayChangeListener *dcl,
 533                              QEMUCursor *c)
 534 {
 535     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 536     GdkPixbuf *pixbuf;
 537     GdkCursor *cursor;
 538
 539     if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
 540         return;
 541     }
 542
 543     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 544                                       GDK_COLORSPACE_RGB, true, 8,
 545                                       c->width, c->height, c->width * 4,
 546                                       NULL, NULL);
 547     cursor = gdk_cursor_new_from_pixbuf
 548         (gtk_widget_get_display(vc->gfx.drawing_area),
 549          pixbuf, c->hot_x, c->hot_y);
 550     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 551     g_object_unref(pixbuf);
 552 #if !GTK_CHECK_VERSION(3, 0, 0)
 553     gdk_cursor_unref(cursor);
 554 #else
 555     g_object_unref(cursor);
 556 #endif
 557 }
 558
 559 static void gd_switch(DisplayChangeListener *dcl,
 560                       DisplaySurface *surface)
 561 {
 562     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 563     bool resized = true;
 564
 565     trace_gd_switch(vc->label,
 566                     surface ? surface_width(surface)  : 0,
 567                     surface ? surface_height(surface) : 0);
 568
 569     if (vc->gfx.surface) {
 570         cairo_surface_destroy(vc->gfx.surface);
 571         vc->gfx.surface = NULL;
 572     }
 573     if (vc->gfx.convert) {
 574         pixman_image_unref(vc->gfx.convert);
 575         vc->gfx.convert = NULL;
 576     }
 577
 578     if (vc->gfx.ds && surface &&
 579         surface_width(vc->gfx.ds) == surface_width(surface) &&
 580         surface_height(vc->gfx.ds) == surface_height(surface)) {
 581         resized = false;
 582     }
 583     vc->gfx.ds = surface;
 584
 585     if (!surface) {
 586         return;
 587     }
 588
 589     if (surface->format == PIXMAN_x8r8g8b8) {
 590         /*
 591          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 592          *
 593          * No need to convert, use surface directly.  Should be the
 594          * common case as this is qemu_default_pixelformat(32) too.
 595          */
 596         vc->gfx.surface = cairo_image_surface_create_for_data
 597             (surface_data(surface),
 598              CAIRO_FORMAT_RGB24,
 599              surface_width(surface),
 600              surface_height(surface),
 601              surface_stride(surface));
 602     } else {
 603         /* Must convert surface, use pixman to do it. */
 604         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 605                                                    surface_width(surface),
 606                                                    surface_height(surface),
 607                                                    NULL, 0);
 608         vc->gfx.surface = cairo_image_surface_create_for_data
 609             ((void *)pixman_image_get_data(vc->gfx.convert),
 610              CAIRO_FORMAT_RGB24,
 611              pixman_image_get_width(vc->gfx.convert),
 612              pixman_image_get_height(vc->gfx.convert),
 613              pixman_image_get_stride(vc->gfx.convert));
 614         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 615                                NULL, vc->gfx.convert,
 616                                0, 0, 0, 0, 0, 0,
 617                                pixman_image_get_width(vc->gfx.convert),
 618                                pixman_image_get_height(vc->gfx.convert));
 619     }
 620
 621     if (resized) {
 622         gd_update_windowsize(vc);
 623     } else {
 624         gd_update_full_redraw(vc);
 625     }
 626 }
 627
 628 static const DisplayChangeListenerOps dcl_ops = {
 629     .dpy_name             = "gtk",
 630     .dpy_gfx_update       = gd_update,
 631     .dpy_gfx_switch       = gd_switch,
 632     .dpy_gfx_check_format = qemu_pixman_check_format,
 633     .dpy_refresh          = gd_refresh,
 634     .dpy_mouse_set        = gd_mouse_set,
 635     .dpy_cursor_define    = gd_cursor_define,
 636 };
 637
 638
 639 #if defined(CONFIG_OPENGL)
 640
 641 /** DisplayState Callbacks (opengl version) **/
 642
 643 #if defined(CONFIG_GTK_GL)
 644
 645 static const DisplayChangeListenerOps dcl_gl_area_ops = {
 646     .dpy_name             = "gtk-egl",
 647     .dpy_gfx_update       = gd_gl_area_update,
 648     .dpy_gfx_switch       = gd_gl_area_switch,
 649     .dpy_gfx_check_format = console_gl_check_format,
 650     .dpy_refresh          = gd_gl_area_refresh,
 651     .dpy_mouse_set        = gd_mouse_set,
 652     .dpy_cursor_define    = gd_cursor_define,
 653
 654     .dpy_gl_ctx_create       = gd_gl_area_create_context,
 655     .dpy_gl_ctx_destroy      = gd_gl_area_destroy_context,
 656     .dpy_gl_ctx_make_current = gd_gl_area_make_current,
 657     .dpy_gl_ctx_get_current  = gd_gl_area_get_current_context,
 658     .dpy_gl_scanout          = gd_gl_area_scanout,
 659     .dpy_gl_update           = gd_gl_area_scanout_flush,
 660 };
 661
 662 #else
 663
 664 static const DisplayChangeListenerOps dcl_egl_ops = {
 665     .dpy_name             = "gtk-egl",
 666     .dpy_gfx_update       = gd_egl_update,
 667     .dpy_gfx_switch       = gd_egl_switch,
 668     .dpy_gfx_check_format = console_gl_check_format,
 669     .dpy_refresh          = gd_egl_refresh,
 670     .dpy_mouse_set        = gd_mouse_set,
 671     .dpy_cursor_define    = gd_cursor_define,
 672
 673     .dpy_gl_ctx_create       = gd_egl_create_context,
 674     .dpy_gl_ctx_destroy      = qemu_egl_destroy_context,
 675     .dpy_gl_ctx_make_current = gd_egl_make_current,
 676     .dpy_gl_ctx_get_current  = qemu_egl_get_current_context,
 677     .dpy_gl_scanout          = gd_egl_scanout,
 678     .dpy_gl_update           = gd_egl_scanout_flush,
 679 };
 680
 681 #endif /* CONFIG_GTK_GL */
 682 #endif /* CONFIG_OPENGL */
 683
 684 /** QEMU Events **/
 685
 686 static void gd_change_runstate(void *opaque, int running, RunState state)
 687 {
 688     GtkDisplayState *s = opaque;
 689
 690     gd_update_caption(s);
 691 }
 692
 693 static void gd_mouse_mode_change(Notifier *notify, void *data)
 694 {
 695     GtkDisplayState *s;
 696     int i;
 697
 698     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 699     /* release the grab at switching to absolute mode */
 700     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 701         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 702                                        FALSE);
 703     }
 704     for (i = 0; i < s->nb_vcs; i++) {
 705         VirtualConsole *vc = &s->vc[i];
 706         gd_update_cursor(vc);
 707     }
 708 }
 709
 710 /** GTK Events **/
 711
 712 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 713                                 void *opaque)
 714 {
 715     GtkDisplayState *s = opaque;
 716     int i;
 717
 718     if (!no_quit) {
 719         for (i = 0; i < s->nb_vcs; i++) {
 720             if (s->vc[i].type != GD_VC_GFX) {
 721                 continue;
 722             }
 723             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
 724         }
 725         qmp_quit(NULL);
 726         return FALSE;
 727     }
 728
 729     return TRUE;
 730 }
 731
 732 static void gd_set_ui_info(VirtualConsole *vc, gint width, gint height)
 733 {
 734     QemuUIInfo info;
 735
 736     memset(&info, 0, sizeof(info));
 737     info.width = width;
 738     info.height = height;
 739     dpy_set_ui_info(vc->gfx.dcl.con, &info);
 740 }
 741
 742 #if defined(CONFIG_GTK_GL)
 743
 744 static gboolean gd_render_event(GtkGLArea *area, GdkGLContext *context,
 745                                 void *opaque)
 746 {
 747     VirtualConsole *vc = opaque;
 748
 749     if (vc->gfx.gls) {
 750         gd_gl_area_draw(vc);
 751     }
 752     return TRUE;
 753 }
 754
 755 static void gd_resize_event(GtkGLArea *area,
 756                             gint width, gint height, gpointer *opaque)
 757 {
 758     VirtualConsole *vc = (void *)opaque;
 759
 760     gd_set_ui_info(vc, width, height);
 761 }
 762
 763 #endif
 764
 765 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 766 {
 767     VirtualConsole *vc = opaque;
 768     GtkDisplayState *s = vc->s;
 769     int mx, my;
 770     int ww, wh;
 771     int fbw, fbh;
 772
 773 #if defined(CONFIG_OPENGL)
 774     if (vc->gfx.gls) {
 775 #if defined(CONFIG_GTK_GL)
 776         /* invoke render callback please */
 777         return FALSE;
 778 #else
 779         gd_egl_draw(vc);
 780         return TRUE;
 781 #endif
 782     }
 783 #endif
 784
 785     if (!gtk_widget_get_realized(widget)) {
 786         return FALSE;
 787     }
 788     if (!vc->gfx.ds) {
 789         return FALSE;
 790     }
 791
 792     fbw = surface_width(vc->gfx.ds);
 793     fbh = surface_height(vc->gfx.ds);
 794
 795     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
 796
 797     if (s->full_screen) {
 798         vc->gfx.scale_x = (double)ww / fbw;
 799         vc->gfx.scale_y = (double)wh / fbh;
 800     } else if (s->free_scale) {
 801         double sx, sy;
 802
 803         sx = (double)ww / fbw;
 804         sy = (double)wh / fbh;
 805
 806         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 807     }
 808
 809     fbw *= vc->gfx.scale_x;
 810     fbh *= vc->gfx.scale_y;
 811
 812     mx = my = 0;
 813     if (ww > fbw) {
 814         mx = (ww - fbw) / 2;
 815     }
 816     if (wh > fbh) {
 817         my = (wh - fbh) / 2;
 818     }
 819
 820     cairo_rectangle(cr, 0, 0, ww, wh);
 821
 822     /* Optionally cut out the inner area where the pixmap
 823        will be drawn. This avoids 'flashing' since we're
 824        not double-buffering. Note we're using the undocumented
 825        behaviour of drawing the rectangle from right to left
 826        to cut out the whole */
 827     cairo_rectangle(cr, mx + fbw, my,
 828                     -1 * fbw, fbh);
 829     cairo_fill(cr);
 830
 831     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 832     cairo_set_source_surface(cr, vc->gfx.surface,
 833                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 834     cairo_paint(cr);
 835
 836     return TRUE;
 837 }
 838
 839 #if !GTK_CHECK_VERSION(3, 0, 0)
 840 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
 841                                 void *opaque)
 842 {
 843     cairo_t *cr;
 844     gboolean ret;
 845
 846     cr = gdk_cairo_create(gtk_widget_get_window(widget));
 847     cairo_rectangle(cr,
 848                     expose->area.x,
 849                     expose->area.y,
 850                     expose->area.width,
 851                     expose->area.height);
 852     cairo_clip(cr);
 853
 854     ret = gd_draw_event(widget, cr, opaque);
 855
 856     cairo_destroy(cr);
 857
 858     return ret;
 859 }
 860 #endif
 861
 862 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 863                                 void *opaque)
 864 {
 865     VirtualConsole *vc = opaque;
 866     GtkDisplayState *s = vc->s;
 867     int x, y;
 868     int mx, my;
 869     int fbh, fbw;
 870     int ww, wh;
 871
 872     if (!vc->gfx.ds) {
 873         return TRUE;
 874     }
 875
 876     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 877     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 878
 879     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
 880                           &ww, &wh);
 881
 882     mx = my = 0;
 883     if (ww > fbw) {
 884         mx = (ww - fbw) / 2;
 885     }
 886     if (wh > fbh) {
 887         my = (wh - fbh) / 2;
 888     }
 889
 890     x = (motion->x - mx) / vc->gfx.scale_x;
 891     y = (motion->y - my) / vc->gfx.scale_y;
 892
 893     if (qemu_input_is_absolute()) {
 894         if (x < 0 || y < 0 ||
 895             x >= surface_width(vc->gfx.ds) ||
 896             y >= surface_height(vc->gfx.ds)) {
 897             return TRUE;
 898         }
 899         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 900                              surface_width(vc->gfx.ds));
 901         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 902                              surface_height(vc->gfx.ds));
 903         qemu_input_event_sync();
 904     } else if (s->last_set && s->ptr_owner == vc) {
 905         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 906         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 907         qemu_input_event_sync();
 908     }
 909     s->last_x = x;
 910     s->last_y = y;
 911     s->last_set = TRUE;
 912
 913     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 914         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 915         int x = (int)motion->x_root;
 916         int y = (int)motion->y_root;
 917
 918         /* In relative mode check to see if client pointer hit
 919          * one of the screen edges, and if so move it back by
 920          * 200 pixels. This is important because the pointer
 921          * in the server doesn't correspond 1-for-1, and so
 922          * may still be only half way across the screen. Without
 923          * this warp, the server pointer would thus appear to hit
 924          * an invisible wall */
 925         if (x == 0) {
 926             x += 200;
 927         }
 928         if (y == 0) {
 929             y += 200;
 930         }
 931         if (x == (gdk_screen_get_width(screen) - 1)) {
 932             x -= 200;
 933         }
 934         if (y == (gdk_screen_get_height(screen) - 1)) {
 935             y -= 200;
 936         }
 937
 938         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 939 #if GTK_CHECK_VERSION(3, 0, 0)
 940             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 941             gdk_device_warp(dev, screen, x, y);
 942 #else
 943             GdkDisplay *display = gtk_widget_get_display(widget);
 944             gdk_display_warp_pointer(display, screen, x, y);
 945 #endif
 946             s->last_set = FALSE;
 947             return FALSE;
 948         }
 949     }
 950     return TRUE;
 951 }
 952
 953 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 954                                 void *opaque)
 955 {
 956     VirtualConsole *vc = opaque;
 957     GtkDisplayState *s = vc->s;
 958     InputButton btn;
 959
 960     /* implicitly grab the input at the first click in the relative mode */
 961     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 962         !qemu_input_is_absolute() && s->ptr_owner != vc) {
 963         if (!vc->window) {
 964             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 965                                            TRUE);
 966         } else {
 967             gd_grab_pointer(vc, "relative-mode-click");
 968         }
 969         return TRUE;
 970     }
 971
 972     if (button->button == 1) {
 973         btn = INPUT_BUTTON_LEFT;
 974     } else if (button->button == 2) {
 975         btn = INPUT_BUTTON_MIDDLE;
 976     } else if (button->button == 3) {
 977         btn = INPUT_BUTTON_RIGHT;
 978     } else {
 979         return TRUE;
 980     }
 981
 982     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 983                          button->type == GDK_BUTTON_PRESS);
 984     qemu_input_event_sync();
 985     return TRUE;
 986 }
 987
 988 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 989                                 void *opaque)
 990 {
 991     VirtualConsole *vc = opaque;
 992     InputButton btn;
 993
 994     if (scroll->direction == GDK_SCROLL_UP) {
 995         btn = INPUT_BUTTON_WHEEL_UP;
 996     } else if (scroll->direction == GDK_SCROLL_DOWN) {
 997         btn = INPUT_BUTTON_WHEEL_DOWN;
 998     } else {
 999         return TRUE;
1000     }
1001
1002     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
1003     qemu_input_event_sync();
1004     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
1005     qemu_input_event_sync();
1006     return TRUE;
1007 }
1008
1009 static int gd_map_keycode(GtkDisplayState *s, GdkDisplay *dpy, int gdk_keycode)
1010 {
1011     int qemu_keycode;
1012
1013 #ifdef GDK_WINDOWING_WIN32
1014     if (GDK_IS_WIN32_DISPLAY(dpy)) {
1015         qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
1016         switch (qemu_keycode) {
1017         case 103:   /* alt gr */
1018             qemu_keycode = 56 | SCANCODE_GREY;
1019             break;
1020         }
1021         return qemu_keycode;
1022     }
1023 #endif
1024
1025     if (gdk_keycode < 9) {
1026         qemu_keycode = 0;
1027     } else if (gdk_keycode < 97) {
1028         qemu_keycode = gdk_keycode - 8;
1029 #ifdef GDK_WINDOWING_X11
1030     } else if (GDK_IS_X11_DISPLAY(dpy) && gdk_keycode < 158) {
1031         if (s->has_evdev) {
1032             qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
1033         } else {
1034             qemu_keycode = translate_xfree86_keycode(gdk_keycode - 97);
1035         }
1036 #endif
1037     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
1038         qemu_keycode = 0x70;
1039     } else if (gdk_keycode == 211) { /* backslash */
1040         qemu_keycode = 0x73;
1041     } else {
1042         qemu_keycode = 0;
1043     }
1044
1045     return qemu_keycode;
1046 }
1047
1048 static gboolean gd_text_key_down(GtkWidget *widget,
1049                                  GdkEventKey *key, void *opaque)
1050 {
1051     VirtualConsole *vc = opaque;
1052     QemuConsole *con = vc->gfx.dcl.con;
1053
1054     if (key->length) {
1055         kbd_put_string_console(con, key->string, key->length);
1056     } else {
1057         int num = gd_map_keycode(vc->s, gtk_widget_get_display(widget),
1058                                  key->hardware_keycode);
1059         int qcode = qemu_input_key_number_to_qcode(num);
1060         kbd_put_qcode_console(con, qcode);
1061     }
1062     return TRUE;
1063 }
1064
1065 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
1066 {
1067     VirtualConsole *vc = opaque;
1068     GtkDisplayState *s = vc->s;
1069     int gdk_keycode = key->hardware_keycode;
1070     int qemu_keycode;
1071     int i;
1072
1073     if (s->ignore_keys) {
1074         s->ignore_keys = (key->type == GDK_KEY_PRESS);
1075         return TRUE;
1076     }
1077
1078     if (key->keyval == GDK_KEY_Pause) {
1079         qemu_input_event_send_key_qcode(vc->gfx.dcl.con, Q_KEY_CODE_PAUSE,
1080                                         key->type == GDK_KEY_PRESS);
1081         return TRUE;
1082     }
1083
1084     qemu_keycode = gd_map_keycode(s, gtk_widget_get_display(widget),
1085                                   gdk_keycode);
1086
1087     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
1088                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
1089
1090     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
1091         if (qemu_keycode == modifier_keycode[i]) {
1092             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
1093         }
1094     }
1095
1096     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
1097                                      key->type == GDK_KEY_PRESS);
1098
1099     return TRUE;
1100 }
1101
1102 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
1103 {
1104     if (event->type == GDK_MOTION_NOTIFY) {
1105         return gd_motion_event(widget, &event->motion, opaque);
1106     }
1107     return FALSE;
1108 }
1109
1110 /** Window Menu Actions **/
1111
1112 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
1113 {
1114     GtkDisplayState *s = opaque;
1115
1116     if (s->external_pause_update) {
1117         return;
1118     }
1119     if (runstate_is_running()) {
1120         qmp_stop(NULL);
1121     } else {
1122         qmp_cont(NULL);
1123     }
1124 }
1125
1126 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
1127 {
1128     qmp_system_reset(NULL);
1129 }
1130
1131 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
1132 {
1133     qmp_system_powerdown(NULL);
1134 }
1135
1136 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
1137 {
1138     qmp_quit(NULL);
1139 }
1140
1141 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
1142 {
1143     GtkDisplayState *s = opaque;
1144     VirtualConsole *vc = gd_vc_find_by_menu(s);
1145     GtkNotebook *nb = GTK_NOTEBOOK(s->notebook);
1146     gint page;
1147
1148     gtk_release_modifiers(s);
1149     if (vc) {
1150         page = gtk_notebook_page_num(nb, vc->tab_item);
1151         gtk_notebook_set_current_page(nb, page);
1152         gtk_widget_grab_focus(vc->focus);
1153     }
1154     s->ignore_keys = false;
1155 }
1156
1157 static void gd_accel_switch_vc(void *opaque)
1158 {
1159     VirtualConsole *vc = opaque;
1160
1161     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item), TRUE);
1162 #if !GTK_CHECK_VERSION(3, 0, 0)
1163     /* GTK2 sends the accel key to the target console - ignore this until */
1164     vc->s->ignore_keys = true;
1165 #endif
1166 }
1167
1168 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
1169 {
1170     GtkDisplayState *s = opaque;
1171     VirtualConsole *vc = gd_vc_find_current(s);
1172
1173     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
1174         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
1175     } else {
1176         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1177     }
1178     gd_update_windowsize(vc);
1179 }
1180
1181 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
1182                                     void *opaque)
1183 {
1184     VirtualConsole *vc = opaque;
1185     GtkDisplayState *s = vc->s;
1186
1187     gtk_widget_set_sensitive(vc->menu_item, true);
1188     gd_widget_reparent(vc->window, s->notebook, vc->tab_item);
1189     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
1190                                     vc->tab_item, vc->label);
1191     gtk_widget_destroy(vc->window);
1192     vc->window = NULL;
1193     return TRUE;
1194 }
1195
1196 static gboolean gd_win_grab(void *opaque)
1197 {
1198     VirtualConsole *vc = opaque;
1199
1200     fprintf(stderr, "%s: %s\n", __func__, vc->label);
1201     if (vc->s->ptr_owner) {
1202         gd_ungrab_pointer(vc->s);
1203     } else {
1204         gd_grab_pointer(vc, "user-request-detached-tab");
1205     }
1206     return TRUE;
1207 }
1208
1209 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
1210 {
1211     GtkDisplayState *s = opaque;
1212     VirtualConsole *vc = gd_vc_find_current(s);
1213
1214     if (vc->type == GD_VC_GFX &&
1215         qemu_console_is_graphic(vc->gfx.dcl.con)) {
1216         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1217                                        FALSE);
1218     }
1219     if (!vc->window) {
1220         gtk_widget_set_sensitive(vc->menu_item, false);
1221         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1222         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
1223
1224         g_signal_connect(vc->window, "delete-event",
1225                          G_CALLBACK(gd_tab_window_close), vc);
1226         gtk_widget_show_all(vc->window);
1227
1228         if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1229             GtkAccelGroup *ag = gtk_accel_group_new();
1230             gtk_window_add_accel_group(GTK_WINDOW(vc->window), ag);
1231
1232             GClosure *cb = g_cclosure_new_swap(G_CALLBACK(gd_win_grab),
1233                                                vc, NULL);
1234             gtk_accel_group_connect(ag, GDK_KEY_g, HOTKEY_MODIFIERS, 0, cb);
1235         }
1236
1237         gd_update_geometry_hints(vc);
1238         gd_update_caption(s);
1239     }
1240 }
1241
1242 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
1243 {
1244     GtkDisplayState *s = opaque;
1245     VirtualConsole *vc = gd_vc_find_current(s);
1246
1247     if (!s->full_screen) {
1248         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1249         gtk_widget_hide(s->menu_bar);
1250         if (vc->type == GD_VC_GFX) {
1251             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
1252         }
1253         gtk_window_fullscreen(GTK_WINDOW(s->window));
1254         s->full_screen = TRUE;
1255     } else {
1256         gtk_window_unfullscreen(GTK_WINDOW(s->window));
1257         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
1258         gtk_widget_show(s->menu_bar);
1259         s->full_screen = FALSE;
1260         if (vc->type == GD_VC_GFX) {
1261             vc->gfx.scale_x = 1.0;
1262             vc->gfx.scale_y = 1.0;
1263             gd_update_windowsize(vc);
1264         }
1265     }
1266
1267     gd_update_cursor(vc);
1268 }
1269
1270 static void gd_accel_full_screen(void *opaque)
1271 {
1272     GtkDisplayState *s = opaque;
1273     gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1274 }
1275
1276 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1277 {
1278     GtkDisplayState *s = opaque;
1279     VirtualConsole *vc = gd_vc_find_current(s);
1280
1281     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1282                                    FALSE);
1283
1284     vc->gfx.scale_x += VC_SCALE_STEP;
1285     vc->gfx.scale_y += VC_SCALE_STEP;
1286
1287     gd_update_windowsize(vc);
1288 }
1289
1290 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1291 {
1292     GtkDisplayState *s = opaque;
1293     VirtualConsole *vc = gd_vc_find_current(s);
1294
1295     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1296                                    FALSE);
1297
1298     vc->gfx.scale_x -= VC_SCALE_STEP;
1299     vc->gfx.scale_y -= VC_SCALE_STEP;
1300
1301     vc->gfx.scale_x = MAX(vc->gfx.scale_x, VC_SCALE_MIN);
1302     vc->gfx.scale_y = MAX(vc->gfx.scale_y, VC_SCALE_MIN);
1303
1304     gd_update_windowsize(vc);
1305 }
1306
1307 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1308 {
1309     GtkDisplayState *s = opaque;
1310     VirtualConsole *vc = gd_vc_find_current(s);
1311
1312     vc->gfx.scale_x = 1.0;
1313     vc->gfx.scale_y = 1.0;
1314
1315     gd_update_windowsize(vc);
1316 }
1317
1318 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1319 {
1320     GtkDisplayState *s = opaque;
1321     VirtualConsole *vc = gd_vc_find_current(s);
1322
1323     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1324         s->free_scale = TRUE;
1325     } else {
1326         s->free_scale = FALSE;
1327         vc->gfx.scale_x = 1.0;
1328         vc->gfx.scale_y = 1.0;
1329     }
1330
1331     gd_update_windowsize(vc);
1332     gd_update_full_redraw(vc);
1333 }
1334
1335 #if GTK_CHECK_VERSION(3, 20, 0)
1336 static void gd_grab_update(VirtualConsole *vc, bool kbd, bool ptr)
1337 {
1338     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1339     GdkSeat *seat = gdk_display_get_default_seat(display);
1340     GdkWindow *window = gtk_widget_get_window(vc->gfx.drawing_area);
1341     GdkSeatCapabilities caps = 0;
1342     GdkCursor *cursor = NULL;
1343
1344     if (kbd) {
1345         caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
1346     }
1347     if (ptr) {
1348         caps |= GDK_SEAT_CAPABILITY_ALL_POINTING;
1349         cursor = vc->s->null_cursor;
1350     }
1351
1352     if (caps) {
1353         gdk_seat_grab(seat, window, caps, false, cursor,
1354                       NULL, NULL, NULL);
1355     } else {
1356         gdk_seat_ungrab(seat);
1357     }
1358 }
1359 #elif GTK_CHECK_VERSION(3, 0, 0)
1360 static void gd_grab_devices(VirtualConsole *vc, bool grab,
1361                             GdkInputSource source, GdkEventMask mask,
1362                             GdkCursor *cursor)
1363 {
1364     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1365     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1366     GList *devs = gdk_device_manager_list_devices(mgr, GDK_DEVICE_TYPE_MASTER);
1367     GList *tmp = devs;
1368
1369     for (tmp = devs; tmp; tmp = tmp->next) {
1370         GdkDevice *dev = tmp->data;
1371         if (gdk_device_get_source(dev) != source) {
1372             continue;
1373         }
1374         if (grab) {
1375             GdkWindow *win = gtk_widget_get_window(vc->gfx.drawing_area);
1376             gdk_device_grab(dev, win, GDK_OWNERSHIP_NONE, FALSE,
1377                             mask, cursor, GDK_CURRENT_TIME);
1378         } else {
1379             gdk_device_ungrab(dev, GDK_CURRENT_TIME);
1380         }
1381     }
1382     g_list_free(devs);
1383 }
1384 #endif
1385
1386 static void gd_grab_keyboard(VirtualConsole *vc, const char *reason)
1387 {
1388     if (vc->s->kbd_owner) {
1389         if (vc->s->kbd_owner == vc) {
1390             return;
1391         } else {
1392             gd_ungrab_keyboard(vc->s);
1393         }
1394     }
1395
1396 #if GTK_CHECK_VERSION(3, 20, 0)
1397     gd_grab_update(vc, true, vc->s->ptr_owner == vc);
1398 #elif GTK_CHECK_VERSION(3, 0, 0)
1399     gd_grab_devices(vc, true, GDK_SOURCE_KEYBOARD,
1400                    GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1401                    NULL);
1402 #else
1403     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1404                       FALSE,
1405                       GDK_CURRENT_TIME);
1406 #endif
1407     vc->s->kbd_owner = vc;
1408     gd_update_caption(vc->s);
1409     trace_gd_grab(vc->label, "kbd", reason);
1410 }
1411
1412 static void gd_ungrab_keyboard(GtkDisplayState *s)
1413 {
1414     VirtualConsole *vc = s->kbd_owner;
1415
1416     if (vc == NULL) {
1417         return;
1418     }
1419     s->kbd_owner = NULL;
1420
1421 #if GTK_CHECK_VERSION(3, 20, 0)
1422     gd_grab_update(vc, false, vc->s->ptr_owner == vc);
1423 #elif GTK_CHECK_VERSION(3, 0, 0)
1424     gd_grab_devices(vc, false, GDK_SOURCE_KEYBOARD, 0, NULL);
1425 #else
1426     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1427 #endif
1428     gd_update_caption(s);
1429     trace_gd_ungrab(vc->label, "kbd");
1430 }
1431
1432 static void gd_grab_pointer(VirtualConsole *vc, const char *reason)
1433 {
1434     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1435
1436     if (vc->s->ptr_owner) {
1437         if (vc->s->ptr_owner == vc) {
1438             return;
1439         } else {
1440             gd_ungrab_pointer(vc->s);
1441         }
1442     }
1443
1444 #if GTK_CHECK_VERSION(3, 20, 0)
1445     gd_grab_update(vc, vc->s->kbd_owner == vc, true);
1446     gdk_device_get_position(gd_get_pointer(display),
1447                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1448 #elif GTK_CHECK_VERSION(3, 0, 0)
1449     gd_grab_devices(vc, true, GDK_SOURCE_MOUSE,
1450                     GDK_POINTER_MOTION_MASK |
1451                     GDK_BUTTON_PRESS_MASK |
1452                     GDK_BUTTON_RELEASE_MASK |
1453                     GDK_BUTTON_MOTION_MASK |
1454                     GDK_SCROLL_MASK,
1455                     vc->s->null_cursor);
1456     gdk_device_get_position(gd_get_pointer(display),
1457                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1458 #else
1459     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1460                      FALSE, /* All events to come to our window directly */
1461                      GDK_POINTER_MOTION_MASK |
1462                      GDK_BUTTON_PRESS_MASK |
1463                      GDK_BUTTON_RELEASE_MASK |
1464                      GDK_BUTTON_MOTION_MASK |
1465                      GDK_SCROLL_MASK,
1466                      NULL, /* Allow cursor to move over entire desktop */
1467                      vc->s->null_cursor,
1468                      GDK_CURRENT_TIME);
1469     gdk_display_get_pointer(display, NULL,
1470                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1471 #endif
1472     vc->s->ptr_owner = vc;
1473     gd_update_caption(vc->s);
1474     trace_gd_grab(vc->label, "ptr", reason);
1475 }
1476
1477 static void gd_ungrab_pointer(GtkDisplayState *s)
1478 {
1479     VirtualConsole *vc = s->ptr_owner;
1480     GdkDisplay *display;
1481
1482     if (vc == NULL) {
1483         return;
1484     }
1485     s->ptr_owner = NULL;
1486
1487     display = gtk_widget_get_display(vc->gfx.drawing_area);
1488 #if GTK_CHECK_VERSION(3, 20, 0)
1489     gd_grab_update(vc, vc->s->kbd_owner == vc, false);
1490     gdk_device_warp(gd_get_pointer(display),
1491                     gtk_widget_get_screen(vc->gfx.drawing_area),
1492                     vc->s->grab_x_root, vc->s->grab_y_root);
1493 #elif GTK_CHECK_VERSION(3, 0, 0)
1494     gd_grab_devices(vc, false, GDK_SOURCE_MOUSE, 0, NULL);
1495     gdk_device_warp(gd_get_pointer(display),
1496                     gtk_widget_get_screen(vc->gfx.drawing_area),
1497                     vc->s->grab_x_root, vc->s->grab_y_root);
1498 #else
1499     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1500     gdk_display_warp_pointer(display,
1501                              gtk_widget_get_screen(vc->gfx.drawing_area),
1502                              vc->s->grab_x_root, vc->s->grab_y_root);
1503 #endif
1504     gd_update_caption(s);
1505     trace_gd_ungrab(vc->label, "ptr");
1506 }
1507
1508 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1509 {
1510     GtkDisplayState *s = opaque;
1511     VirtualConsole *vc = gd_vc_find_current(s);
1512
1513     if (gd_is_grab_active(s)) {
1514         gd_grab_keyboard(vc, "user-request-main-window");
1515         gd_grab_pointer(vc, "user-request-main-window");
1516     } else {
1517         gd_ungrab_keyboard(s);
1518         gd_ungrab_pointer(s);
1519     }
1520
1521     gd_update_cursor(vc);
1522 }
1523
1524 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1525                            gpointer data)
1526 {
1527     GtkDisplayState *s = data;
1528     VirtualConsole *vc;
1529     gboolean on_vga;
1530
1531     if (!gtk_widget_get_realized(s->notebook)) {
1532         return;
1533     }
1534
1535 #ifdef VTE_RESIZE_HACK
1536     vc = gd_vc_find_current(s);
1537     if (vc && vc->type == GD_VC_VTE) {
1538         gtk_widget_hide(vc->vte.terminal);
1539     }
1540 #endif
1541     vc = gd_vc_find_by_page(s, arg2);
1542     if (!vc) {
1543         return;
1544     }
1545 #ifdef VTE_RESIZE_HACK
1546     if (vc->type == GD_VC_VTE) {
1547         gtk_widget_show(vc->vte.terminal);
1548     }
1549 #endif
1550     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1551                                    TRUE);
1552     on_vga = (vc->type == GD_VC_GFX &&
1553               qemu_console_is_graphic(vc->gfx.dcl.con));
1554     if (!on_vga) {
1555         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1556                                        FALSE);
1557     } else if (s->full_screen) {
1558         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1559                                        TRUE);
1560     }
1561     gtk_widget_set_sensitive(s->grab_item, on_vga);
1562
1563     gd_update_windowsize(vc);
1564     gd_update_cursor(vc);
1565 }
1566
1567 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1568                                gpointer opaque)
1569 {
1570     VirtualConsole *vc = opaque;
1571     GtkDisplayState *s = vc->s;
1572
1573     if (gd_grab_on_hover(s)) {
1574         gd_grab_keyboard(vc, "grab-on-hover");
1575     }
1576     return TRUE;
1577 }
1578
1579 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1580                                gpointer opaque)
1581 {
1582     VirtualConsole *vc = opaque;
1583     GtkDisplayState *s = vc->s;
1584
1585     if (gd_grab_on_hover(s)) {
1586         gd_ungrab_keyboard(s);
1587     }
1588     return TRUE;
1589 }
1590
1591 static gboolean gd_focus_out_event(GtkWidget *widget,
1592                                    GdkEventCrossing *crossing, gpointer opaque)
1593 {
1594     VirtualConsole *vc = opaque;
1595     GtkDisplayState *s = vc->s;
1596
1597     gtk_release_modifiers(s);
1598     return TRUE;
1599 }
1600
1601 static gboolean gd_configure(GtkWidget *widget,
1602                              GdkEventConfigure *cfg, gpointer opaque)
1603 {
1604     VirtualConsole *vc = opaque;
1605
1606     gd_set_ui_info(vc, cfg->width, cfg->height);
1607     return FALSE;
1608 }
1609
1610 /** Virtual Console Callbacks **/
1611
1612 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1613                                int idx, GSList *group, GtkWidget *view_menu)
1614 {
1615     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1616     gtk_accel_group_connect(s->accel_group, GDK_KEY_1 + idx,
1617             HOTKEY_MODIFIERS, 0,
1618             g_cclosure_new_swap(G_CALLBACK(gd_accel_switch_vc), vc, NULL));
1619 #if GTK_CHECK_VERSION(3, 8, 0)
1620     gtk_accel_label_set_accel(
1621             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(vc->menu_item))),
1622             GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1623 #endif
1624
1625     g_signal_connect(vc->menu_item, "activate",
1626                      G_CALLBACK(gd_menu_switch_vc), s);
1627     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1628
1629     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1630     return group;
1631 }
1632
1633 #if defined(CONFIG_VTE)
1634 static void gd_menu_copy(GtkMenuItem *item, void *opaque)
1635 {
1636     GtkDisplayState *s = opaque;
1637     VirtualConsole *vc = gd_vc_find_current(s);
1638
1639     vte_terminal_copy_clipboard(VTE_TERMINAL(vc->vte.terminal));
1640 }
1641
1642 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1643 {
1644     VirtualConsole *vc = opaque;
1645
1646     if (gtk_adjustment_get_upper(adjustment) >
1647         gtk_adjustment_get_page_size(adjustment)) {
1648         gtk_widget_show(vc->vte.scrollbar);
1649     } else {
1650         gtk_widget_hide(vc->vte.scrollbar);
1651     }
1652 }
1653
1654 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1655 {
1656     VirtualConsole *vc = chr->opaque;
1657
1658     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1659     return len;
1660 }
1661
1662 static void gd_vc_chr_set_echo(CharDriverState *chr, bool echo)
1663 {
1664     VirtualConsole *vc = chr->opaque;
1665
1666     vc->vte.echo = echo;
1667 }
1668
1669 static int nb_vcs;
1670 static CharDriverState *vcs[MAX_VCS];
1671
1672 static CharDriverState *gd_vc_handler(ChardevVC *vc, Error **errp)
1673 {
1674     ChardevCommon *common = qapi_ChardevVC_base(vc);
1675     CharDriverState *chr;
1676
1677     chr = qemu_chr_alloc(common, errp);
1678     if (!chr) {
1679         return NULL;
1680     }
1681
1682     chr->chr_write = gd_vc_chr_write;
1683     chr->chr_set_echo = gd_vc_chr_set_echo;
1684
1685     /* Temporary, until gd_vc_vte_init runs.  */
1686     chr->opaque = g_new0(VirtualConsole, 1);
1687
1688     /* defer OPENED events until our vc is fully initialized */
1689     chr->explicit_be_open = true;
1690
1691     vcs[nb_vcs++] = chr;
1692
1693     return chr;
1694 }
1695
1696 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1697                          gpointer user_data)
1698 {
1699     VirtualConsole *vc = user_data;
1700
1701     if (vc->vte.echo) {
1702         VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
1703         int i;
1704         for (i = 0; i < size; i++) {
1705             uint8_t c = text[i];
1706             if (c >= 128 || isprint(c)) {
1707                 /* 8-bit characters are considered printable.  */
1708                 vte_terminal_feed(term, &text[i], 1);
1709             } else if (c == '\r' || c == '\n') {
1710                 vte_terminal_feed(term, "\r\n", 2);
1711             } else {
1712                 char ctrl[2] = { '^', 0};
1713                 ctrl[1] = text[i] ^ 64;
1714                 vte_terminal_feed(term, ctrl, 2);
1715             }
1716         }
1717     }
1718
1719     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1720     return TRUE;
1721 }
1722
1723 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1724                               CharDriverState *chr, int idx,
1725                               GSList *group, GtkWidget *view_menu)
1726 {
1727     char buffer[32];
1728     GtkWidget *box;
1729     GtkWidget *scrollbar;
1730     GtkAdjustment *vadjustment;
1731     VirtualConsole *tmp_vc = chr->opaque;
1732
1733     vc->s = s;
1734     vc->vte.echo = tmp_vc->vte.echo;
1735
1736     vc->vte.chr = chr;
1737     chr->opaque = vc;
1738     g_free(tmp_vc);
1739
1740     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1741     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1742                                 ? vc->vte.chr->label : buffer);
1743     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1744
1745     vc->vte.terminal = vte_terminal_new();
1746     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1747
1748     /* The documentation says that the default is UTF-8, but actually it is
1749      * 7-bit ASCII at least in VTE 0.38.
1750      */
1751 #if VTE_CHECK_VERSION(0, 38, 0)
1752     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
1753 #else
1754     vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
1755 #endif
1756
1757     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1758     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
1759                           VC_TERM_X_MIN, VC_TERM_Y_MIN);
1760
1761 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1762     vadjustment = gtk_scrollable_get_vadjustment
1763         (GTK_SCROLLABLE(vc->vte.terminal));
1764 #else
1765     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1766 #endif
1767
1768 #if GTK_CHECK_VERSION(3, 0, 0)
1769     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1770     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1771 #else
1772     box = gtk_hbox_new(false, 2);
1773     scrollbar = gtk_vscrollbar_new(vadjustment);
1774 #endif
1775
1776     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1777     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1778
1779     vc->vte.box = box;
1780     vc->vte.scrollbar = scrollbar;
1781
1782     g_signal_connect(vadjustment, "changed",
1783                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1784
1785     vc->type = GD_VC_VTE;
1786     vc->tab_item = box;
1787     vc->focus = vc->vte.terminal;
1788     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1789                              gtk_label_new(vc->label));
1790
1791     qemu_chr_be_generic_open(vc->vte.chr);
1792     if (vc->vte.chr->init) {
1793         vc->vte.chr->init(vc->vte.chr);
1794     }
1795
1796     return group;
1797 }
1798
1799 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1800                         GtkWidget *view_menu)
1801 {
1802     int i;
1803
1804     for (i = 0; i < nb_vcs; i++) {
1805         VirtualConsole *vc = &s->vc[s->nb_vcs];
1806         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1807         s->nb_vcs++;
1808     }
1809 }
1810 #endif /* CONFIG_VTE */
1811
1812 /** Window Creation **/
1813
1814 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1815 {
1816 #if GTK_CHECK_VERSION(3, 0, 0)
1817     g_signal_connect(vc->gfx.drawing_area, "draw",
1818                      G_CALLBACK(gd_draw_event), vc);
1819 #if defined(CONFIG_GTK_GL)
1820     if (display_opengl) {
1821         /* wire up GtkGlArea events */
1822         g_signal_connect(vc->gfx.drawing_area, "render",
1823                          G_CALLBACK(gd_render_event), vc);
1824         g_signal_connect(vc->gfx.drawing_area, "resize",
1825                          G_CALLBACK(gd_resize_event), vc);
1826     }
1827 #endif
1828 #else
1829     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1830                      G_CALLBACK(gd_expose_event), vc);
1831 #endif
1832     if (qemu_console_is_graphic(vc->gfx.dcl.con)) {
1833         g_signal_connect(vc->gfx.drawing_area, "event",
1834                          G_CALLBACK(gd_event), vc);
1835         g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1836                          G_CALLBACK(gd_button_event), vc);
1837         g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1838                          G_CALLBACK(gd_button_event), vc);
1839         g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1840                          G_CALLBACK(gd_scroll_event), vc);
1841         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1842                          G_CALLBACK(gd_key_event), vc);
1843         g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1844                          G_CALLBACK(gd_key_event), vc);
1845
1846         g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1847                          G_CALLBACK(gd_enter_event), vc);
1848         g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1849                          G_CALLBACK(gd_leave_event), vc);
1850         g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1851                          G_CALLBACK(gd_focus_out_event), vc);
1852         g_signal_connect(vc->gfx.drawing_area, "configure-event",
1853                          G_CALLBACK(gd_configure), vc);
1854     } else {
1855         g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1856                          G_CALLBACK(gd_text_key_down), vc);
1857     }
1858 }
1859
1860 static void gd_connect_signals(GtkDisplayState *s)
1861 {
1862     g_signal_connect(s->show_tabs_item, "activate",
1863                      G_CALLBACK(gd_menu_show_tabs), s);
1864     g_signal_connect(s->untabify_item, "activate",
1865                      G_CALLBACK(gd_menu_untabify), s);
1866
1867     g_signal_connect(s->window, "delete-event",
1868                      G_CALLBACK(gd_window_close), s);
1869
1870     g_signal_connect(s->pause_item, "activate",
1871                      G_CALLBACK(gd_menu_pause), s);
1872     g_signal_connect(s->reset_item, "activate",
1873                      G_CALLBACK(gd_menu_reset), s);
1874     g_signal_connect(s->powerdown_item, "activate",
1875                      G_CALLBACK(gd_menu_powerdown), s);
1876     g_signal_connect(s->quit_item, "activate",
1877                      G_CALLBACK(gd_menu_quit), s);
1878 #if defined(CONFIG_VTE)
1879     g_signal_connect(s->copy_item, "activate",
1880                      G_CALLBACK(gd_menu_copy), s);
1881 #endif
1882     g_signal_connect(s->full_screen_item, "activate",
1883                      G_CALLBACK(gd_menu_full_screen), s);
1884     g_signal_connect(s->zoom_in_item, "activate",
1885                      G_CALLBACK(gd_menu_zoom_in), s);
1886     g_signal_connect(s->zoom_out_item, "activate",
1887                      G_CALLBACK(gd_menu_zoom_out), s);
1888     g_signal_connect(s->zoom_fixed_item, "activate",
1889                      G_CALLBACK(gd_menu_zoom_fixed), s);
1890     g_signal_connect(s->zoom_fit_item, "activate",
1891                      G_CALLBACK(gd_menu_zoom_fit), s);
1892     g_signal_connect(s->grab_item, "activate",
1893                      G_CALLBACK(gd_menu_grab_input), s);
1894     g_signal_connect(s->notebook, "switch-page",
1895                      G_CALLBACK(gd_change_page), s);
1896 }
1897
1898 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s)
1899 {
1900     GtkWidget *machine_menu;
1901     GtkWidget *separator;
1902
1903     machine_menu = gtk_menu_new();
1904     gtk_menu_set_accel_group(GTK_MENU(machine_menu), s->accel_group);
1905
1906     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1907     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1908
1909     separator = gtk_separator_menu_item_new();
1910     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1911
1912     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1913     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1914
1915     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1916     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1917
1918     separator = gtk_separator_menu_item_new();
1919     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1920
1921     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1922     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1923                                  "<QEMU>/Machine/Quit");
1924     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1925                             GDK_KEY_q, HOTKEY_MODIFIERS);
1926     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1927
1928     return machine_menu;
1929 }
1930
1931 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1932                               QemuConsole *con, int idx,
1933                               GSList *group, GtkWidget *view_menu)
1934 {
1935     vc->label = qemu_console_get_label(con);
1936     vc->s = s;
1937     vc->gfx.scale_x = 1.0;
1938     vc->gfx.scale_y = 1.0;
1939
1940 #if defined(CONFIG_OPENGL)
1941     if (display_opengl) {
1942 #if defined(CONFIG_GTK_GL)
1943         vc->gfx.drawing_area = gtk_gl_area_new();
1944         vc->gfx.dcl.ops = &dcl_gl_area_ops;
1945 #else
1946         vc->gfx.drawing_area = gtk_drawing_area_new();
1947         /*
1948          * gtk_widget_set_double_buffered() was deprecated in 3.14.
1949          * It is required for opengl rendering on X11 though.  A
1950          * proper replacement (native opengl support) is only
1951          * available in 3.16+.  Silence the warning if possible.
1952          */
1953 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1954 #pragma GCC diagnostic push
1955 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
1956 #endif
1957         gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1958 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
1959 #pragma GCC diagnostic pop
1960 #endif
1961         vc->gfx.dcl.ops = &dcl_egl_ops;
1962 #endif /* CONFIG_GTK_GL */
1963     } else
1964 #endif
1965     {
1966         vc->gfx.drawing_area = gtk_drawing_area_new();
1967         vc->gfx.dcl.ops = &dcl_ops;
1968     }
1969
1970
1971     gtk_widget_add_events(vc->gfx.drawing_area,
1972                           GDK_POINTER_MOTION_MASK |
1973                           GDK_BUTTON_PRESS_MASK |
1974                           GDK_BUTTON_RELEASE_MASK |
1975                           GDK_BUTTON_MOTION_MASK |
1976                           GDK_ENTER_NOTIFY_MASK |
1977                           GDK_LEAVE_NOTIFY_MASK |
1978                           GDK_SCROLL_MASK |
1979                           GDK_KEY_PRESS_MASK);
1980     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1981
1982     vc->type = GD_VC_GFX;
1983     vc->tab_item = vc->gfx.drawing_area;
1984     vc->focus = vc->gfx.drawing_area;
1985     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1986                              vc->tab_item, gtk_label_new(vc->label));
1987
1988     vc->gfx.dcl.con = con;
1989     register_displaychangelistener(&vc->gfx.dcl);
1990
1991     gd_connect_vc_gfx_signals(vc);
1992     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1993
1994     if (dpy_ui_info_supported(vc->gfx.dcl.con)) {
1995         gtk_menu_item_activate(GTK_MENU_ITEM(s->zoom_fit_item));
1996         s->free_scale = true;
1997     }
1998
1999     return group;
2000 }
2001
2002 static GtkWidget *gd_create_menu_view(GtkDisplayState *s)
2003 {
2004     GSList *group = NULL;
2005     GtkWidget *view_menu;
2006     GtkWidget *separator;
2007     QemuConsole *con;
2008     int vc;
2009
2010     view_menu = gtk_menu_new();
2011     gtk_menu_set_accel_group(GTK_MENU(view_menu), s->accel_group);
2012
2013     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
2014
2015 #if defined(CONFIG_VTE)
2016     s->copy_item = gtk_menu_item_new_with_mnemonic(_("_Copy"));
2017     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->copy_item);
2018 #endif
2019
2020     gtk_accel_group_connect(s->accel_group, GDK_KEY_f, HOTKEY_MODIFIERS, 0,
2021             g_cclosure_new_swap(G_CALLBACK(gd_accel_full_screen), s, NULL));
2022 #if GTK_CHECK_VERSION(3, 8, 0)
2023     gtk_accel_label_set_accel(
2024             GTK_ACCEL_LABEL(gtk_bin_get_child(GTK_BIN(s->full_screen_item))),
2025             GDK_KEY_f, HOTKEY_MODIFIERS);
2026 #endif
2027     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
2028
2029     separator = gtk_separator_menu_item_new();
2030     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2031
2032     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
2033     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
2034                                  "<QEMU>/View/Zoom In");
2035     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
2036                             HOTKEY_MODIFIERS);
2037     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
2038
2039     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
2040     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
2041                                  "<QEMU>/View/Zoom Out");
2042     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
2043                             HOTKEY_MODIFIERS);
2044     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
2045
2046     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
2047     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
2048                                  "<QEMU>/View/Zoom Fixed");
2049     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
2050                             HOTKEY_MODIFIERS);
2051     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
2052
2053     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
2054     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
2055
2056     separator = gtk_separator_menu_item_new();
2057     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2058
2059     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
2060     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
2061
2062     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
2063     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
2064                                  "<QEMU>/View/Grab Input");
2065     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
2066                             HOTKEY_MODIFIERS);
2067     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
2068
2069     separator = gtk_separator_menu_item_new();
2070     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2071
2072     /* gfx */
2073     for (vc = 0;; vc++) {
2074         con = qemu_console_lookup_by_index(vc);
2075         if (!con) {
2076             break;
2077         }
2078         group = gd_vc_gfx_init(s, &s->vc[vc], con,
2079                                vc, group, view_menu);
2080         s->nb_vcs++;
2081     }
2082
2083 #if defined(CONFIG_VTE)
2084     /* vte */
2085     gd_vcs_init(s, group, view_menu);
2086 #endif
2087
2088     separator = gtk_separator_menu_item_new();
2089     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
2090
2091     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
2092     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
2093
2094     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
2095     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
2096
2097     return view_menu;
2098 }
2099
2100 static void gd_create_menus(GtkDisplayState *s)
2101 {
2102     s->accel_group = gtk_accel_group_new();
2103     s->machine_menu = gd_create_menu_machine(s);
2104     s->view_menu = gd_create_menu_view(s);
2105
2106     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
2107     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
2108                               s->machine_menu);
2109     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
2110
2111     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
2112     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
2113     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
2114
2115     g_object_set_data(G_OBJECT(s->window), "accel_group", s->accel_group);
2116     gtk_window_add_accel_group(GTK_WINDOW(s->window), s->accel_group);
2117 }
2118
2119 static void gd_set_keycode_type(GtkDisplayState *s)
2120 {
2121 #ifdef GDK_WINDOWING_X11
2122     GdkDisplay *display = gtk_widget_get_display(s->window);
2123     if (GDK_IS_X11_DISPLAY(display)) {
2124         Display *x11_display = gdk_x11_display_get_xdisplay(display);
2125         XkbDescPtr desc = XkbGetKeyboard(x11_display, XkbGBN_AllComponentsMask,
2126                                          XkbUseCoreKbd);
2127         char *keycodes = NULL;
2128
2129         if (desc && desc->names) {
2130             keycodes = XGetAtomName(x11_display, desc->names->keycodes);
2131         }
2132         if (keycodes == NULL) {
2133             fprintf(stderr, "could not lookup keycode name\n");
2134         } else if (strstart(keycodes, "evdev", NULL)) {
2135             s->has_evdev = true;
2136         } else if (!strstart(keycodes, "xfree86", NULL)) {
2137             fprintf(stderr, "unknown keycodes `%s', please report to "
2138                     "[email protected]\n", keycodes);
2139         }
2140
2141         if (desc) {
2142             XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
2143         }
2144         if (keycodes) {
2145             XFree(keycodes);
2146         }
2147     }
2148 #endif
2149 }
2150
2151 static gboolean gtkinit;
2152
2153 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
2154 {
2155     GtkDisplayState *s = g_malloc0(sizeof(*s));
2156     char *filename;
2157     GdkDisplay *window_display;
2158
2159     if (!gtkinit) {
2160         fprintf(stderr, "gtk initialization failed\n");
2161         exit(1);
2162     }
2163
2164     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2165 #if GTK_CHECK_VERSION(3, 2, 0)
2166     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
2167 #else
2168     s->vbox = gtk_vbox_new(FALSE, 0);
2169 #endif
2170     s->notebook = gtk_notebook_new();
2171     s->menu_bar = gtk_menu_bar_new();
2172
2173     s->free_scale = FALSE;
2174
2175     /* LC_MESSAGES only. See early_gtk_display_init() for details */
2176     setlocale(LC_MESSAGES, "");
2177     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
2178     textdomain("qemu");
2179
2180     window_display = gtk_widget_get_display(s->window);
2181     s->null_cursor = gdk_cursor_new_for_display(window_display,
2182                                                 GDK_BLANK_CURSOR);
2183
2184     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
2185     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
2186     qemu_add_vm_change_state_handler(gd_change_runstate, s);
2187
2188     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
2189     if (filename) {
2190         GError *error = NULL;
2191         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
2192         if (pixbuf) {
2193             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
2194         } else {
2195             g_error_free(error);
2196         }
2197         g_free(filename);
2198     }
2199
2200     gd_create_menus(s);
2201
2202     gd_connect_signals(s);
2203
2204     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
2205     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
2206
2207     gd_update_caption(s);
2208
2209     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
2210     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
2211
2212     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
2213
2214     gtk_widget_show_all(s->window);
2215
2216 #ifdef VTE_RESIZE_HACK
2217     {
2218         VirtualConsole *cur = gd_vc_find_current(s);
2219         if (cur) {
2220             int i;
2221
2222             for (i = 0; i < s->nb_vcs; i++) {
2223                 VirtualConsole *vc = &s->vc[i];
2224                 if (vc && vc->type == GD_VC_VTE && vc != cur) {
2225                     gtk_widget_hide(vc->vte.terminal);
2226                 }
2227             }
2228             gd_update_windowsize(cur);
2229         }
2230     }
2231 #endif
2232
2233     if (full_screen) {
2234         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
2235     }
2236     if (grab_on_hover) {
2237         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
2238     }
2239
2240     gd_set_keycode_type(s);
2241 }
2242
2243 void early_gtk_display_init(int opengl)
2244 {
2245     /* The QEMU code relies on the assumption that it's always run in
2246      * the C locale. Therefore it is not prepared to deal with
2247      * operations that produce different results depending on the
2248      * locale, such as printf's formatting of decimal numbers, and
2249      * possibly others.
2250      *
2251      * Since GTK+ calls setlocale() by default -importing the locale
2252      * settings from the environment- we must prevent it from doing so
2253      * using gtk_disable_setlocale().
2254      *
2255      * QEMU's GTK+ UI, however, _does_ have translations for some of
2256      * the menu items. As a trade-off between a functionally correct
2257      * QEMU and a fully internationalized UI we support importing
2258      * LC_MESSAGES from the environment (see the setlocale() call
2259      * earlier in this file). This allows us to display translated
2260      * messages leaving everything else untouched.
2261      */
2262     gtk_disable_setlocale();
2263     gtkinit = gtk_init_check(NULL, NULL);
2264     if (!gtkinit) {
2265         /* don't exit yet, that'll break -help */
2266         return;
2267     }
2268
2269     switch (opengl) {
2270     case -1: /* default */
2271     case 0:  /* off */
2272         break;
2273     case 1: /* on */
2274 #if defined(CONFIG_OPENGL)
2275 #if defined(CONFIG_GTK_GL)
2276         gtk_gl_area_init();
2277 #else
2278         gtk_egl_init();
2279 #endif
2280 #endif
2281         break;
2282     default:
2283         g_assert_not_reached();
2284         break;
2285     }
2286
2287 #if defined(CONFIG_VTE)
2288     register_vc_handler(gd_vc_handler);
2289 #endif
2290 }