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 #ifdef _WIN32
  38 # define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */
  39 #endif
  40
  41 #include "qemu-common.h"
  42
  43 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
  44 /* Work around an -Wstrict-prototypes warning in GTK headers */
  45 #pragma GCC diagnostic push
  46 #pragma GCC diagnostic ignored "-Wstrict-prototypes"
  47 #endif
  48 #include <gtk/gtk.h>
  49 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
  50 #pragma GCC diagnostic pop
  51 #endif
  52
  53
  54 #include <gdk/gdkkeysyms.h>
  55 #include <glib/gi18n.h>
  56 #include <locale.h>
  57 #if defined(CONFIG_VTE)
  58 #include <vte/vte.h>
  59 #endif
  60 #include <math.h>
  61
  62 #include "trace.h"
  63 #include "ui/console.h"
  64 #include "ui/input.h"
  65 #include "sysemu/sysemu.h"
  66 #include "qmp-commands.h"
  67 #include "x_keymap.h"
  68 #include "keymaps.h"
  69 #include "sysemu/char.h"
  70 #include "qom/object.h"
  71
  72 #define MAX_VCS 10
  73
  74 #if !defined(CONFIG_VTE)
  75 # define VTE_CHECK_VERSION(a, b, c) 0
  76 #endif
  77
  78 /* Compatibility define to let us build on both Gtk2 and Gtk3 */
  79 #if GTK_CHECK_VERSION(3, 0, 0)
  80 static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh)
  81 {
  82     *ww = gdk_window_get_width(w);
  83     *wh = gdk_window_get_height(w);
  84 }
  85 #endif
  86
  87 #if !GTK_CHECK_VERSION(2, 20, 0)
  88 #define gtk_widget_get_realized(widget) GTK_WIDGET_REALIZED(widget)
  89 #endif
  90
  91 #ifndef GDK_KEY_0
  92 #define GDK_KEY_0 GDK_0
  93 #define GDK_KEY_1 GDK_1
  94 #define GDK_KEY_2 GDK_2
  95 #define GDK_KEY_f GDK_f
  96 #define GDK_KEY_g GDK_g
  97 #define GDK_KEY_q GDK_q
  98 #define GDK_KEY_plus GDK_plus
  99 #define GDK_KEY_minus GDK_minus
 100 #endif
 101
 102 #define HOTKEY_MODIFIERS        (GDK_CONTROL_MASK | GDK_MOD1_MASK)
 103
 104 static const int modifier_keycode[] = {
 105     /* shift, control, alt keys, meta keys, both left & right */
 106     0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, 0xdb, 0xdd,
 107 };
 108
 109 typedef struct GtkDisplayState GtkDisplayState;
 110
 111 typedef struct VirtualGfxConsole {
 112     GtkWidget *drawing_area;
 113     DisplayChangeListener dcl;
 114     DisplaySurface *ds;
 115     pixman_image_t *convert;
 116     cairo_surface_t *surface;
 117     double scale_x;
 118     double scale_y;
 119 } VirtualGfxConsole;
 120
 121 #if defined(CONFIG_VTE)
 122 typedef struct VirtualVteConsole {
 123     GtkWidget *box;
 124     GtkWidget *scrollbar;
 125     GtkWidget *terminal;
 126     CharDriverState *chr;
 127 } VirtualVteConsole;
 128 #endif
 129
 130 typedef enum VirtualConsoleType {
 131     GD_VC_GFX,
 132     GD_VC_VTE,
 133 } VirtualConsoleType;
 134
 135 typedef struct VirtualConsole {
 136     GtkDisplayState *s;
 137     char *label;
 138     GtkWidget *window;
 139     GtkWidget *menu_item;
 140     GtkWidget *tab_item;
 141     VirtualConsoleType type;
 142     union {
 143         VirtualGfxConsole gfx;
 144 #if defined(CONFIG_VTE)
 145         VirtualVteConsole vte;
 146 #endif
 147     };
 148 } VirtualConsole;
 149
 150 struct GtkDisplayState {
 151     GtkWidget *window;
 152
 153     GtkWidget *menu_bar;
 154
 155     GtkAccelGroup *accel_group;
 156
 157     GtkWidget *machine_menu_item;
 158     GtkWidget *machine_menu;
 159     GtkWidget *pause_item;
 160     GtkWidget *reset_item;
 161     GtkWidget *powerdown_item;
 162     GtkWidget *quit_item;
 163
 164     GtkWidget *view_menu_item;
 165     GtkWidget *view_menu;
 166     GtkWidget *full_screen_item;
 167     GtkWidget *zoom_in_item;
 168     GtkWidget *zoom_out_item;
 169     GtkWidget *zoom_fixed_item;
 170     GtkWidget *zoom_fit_item;
 171     GtkWidget *grab_item;
 172     GtkWidget *grab_on_hover_item;
 173
 174     int nb_vcs;
 175     VirtualConsole vc[MAX_VCS];
 176
 177     GtkWidget *show_tabs_item;
 178     GtkWidget *untabify_item;
 179
 180     GtkWidget *vbox;
 181     GtkWidget *notebook;
 182     int button_mask;
 183     gboolean last_set;
 184     int last_x;
 185     int last_y;
 186     int grab_x_root;
 187     int grab_y_root;
 188
 189     gboolean full_screen;
 190
 191     GdkCursor *null_cursor;
 192     Notifier mouse_mode_notifier;
 193     gboolean free_scale;
 194
 195     bool external_pause_update;
 196
 197     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
 198 };
 199
 200 static GtkDisplayState *global_state;
 201
 202 /** Utility Functions **/
 203
 204 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 205 {
 206     VirtualConsole *vc;
 207     gint i;
 208
 209     for (i = 0; i < s->nb_vcs; i++) {
 210         vc = &s->vc[i];
 211         if (gtk_check_menu_item_get_active
 212             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 213             return vc;
 214         }
 215     }
 216     return NULL;
 217 }
 218
 219 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 220 {
 221     VirtualConsole *vc;
 222     gint i, p;
 223
 224     for (i = 0; i < s->nb_vcs; i++) {
 225         vc = &s->vc[i];
 226         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 227         if (p == page) {
 228             return vc;
 229         }
 230     }
 231     return NULL;
 232 }
 233
 234 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 235 {
 236     gint page;
 237
 238     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 239     return gd_vc_find_by_page(s, page);
 240 }
 241
 242 static bool gd_is_grab_active(GtkDisplayState *s)
 243 {
 244     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 245 }
 246
 247 static bool gd_grab_on_hover(GtkDisplayState *s)
 248 {
 249     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 250 }
 251
 252 static void gd_update_cursor(VirtualConsole *vc)
 253 {
 254     GtkDisplayState *s = vc->s;
 255     GdkWindow *window;
 256
 257     if (vc->type != GD_VC_GFX) {
 258         return;
 259     }
 260
 261     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 262     if (s->full_screen || qemu_input_is_absolute() || gd_is_grab_active(s)) {
 263         gdk_window_set_cursor(window, s->null_cursor);
 264     } else {
 265         gdk_window_set_cursor(window, NULL);
 266     }
 267 }
 268
 269 static void gd_update_caption(GtkDisplayState *s)
 270 {
 271     const char *status = "";
 272     gchar *title;
 273     const char *grab = "";
 274     bool is_paused = !runstate_is_running();
 275
 276     if (gd_is_grab_active(s)) {
 277         grab = _(" - Press Ctrl+Alt+G to release grab");
 278     }
 279
 280     if (is_paused) {
 281         status = _(" [Paused]");
 282     }
 283     s->external_pause_update = true;
 284     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 285                                    is_paused);
 286     s->external_pause_update = false;
 287
 288     if (qemu_name) {
 289         title = g_strdup_printf("QEMU (%s)%s%s", qemu_name, status, grab);
 290     } else {
 291         title = g_strdup_printf("QEMU%s%s", status, grab);
 292     }
 293
 294     gtk_window_set_title(GTK_WINDOW(s->window), title);
 295
 296     g_free(title);
 297 }
 298
 299 static void gd_update_windowsize(VirtualConsole *vc)
 300 {
 301     GtkDisplayState *s = vc->s;
 302     double sx, sy;
 303
 304     if (vc->type != GD_VC_GFX || s->full_screen) {
 305         return;
 306     }
 307
 308     if (s->free_scale) {
 309         sx = 1.0;
 310         sy = 1.0;
 311     } else {
 312         sx = vc->gfx.scale_x;
 313         sy = vc->gfx.scale_y;
 314     }
 315     gtk_widget_set_size_request(vc->gfx.drawing_area,
 316                                 surface_width(vc->gfx.ds) * sx,
 317                                 surface_height(vc->gfx.ds) * sy);
 318     gtk_window_resize(GTK_WINDOW(s->window), 320, 240);
 319 }
 320
 321 static void gd_update_full_redraw(VirtualConsole *vc)
 322 {
 323     GtkWidget *area = vc->gfx.drawing_area;
 324     int ww, wh;
 325     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
 326     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 327 }
 328
 329 static void gtk_release_modifiers(GtkDisplayState *s)
 330 {
 331     VirtualConsole *vc = gd_vc_find_current(s);
 332     int i, keycode;
 333
 334     if (vc->type != GD_VC_GFX) {
 335         return;
 336     }
 337     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 338         keycode = modifier_keycode[i];
 339         if (!s->modifier_pressed[i]) {
 340             continue;
 341         }
 342         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
 343         s->modifier_pressed[i] = false;
 344     }
 345 }
 346
 347 /** DisplayState Callbacks **/
 348
 349 static void gd_update(DisplayChangeListener *dcl,
 350                       int x, int y, int w, int h)
 351 {
 352     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 353     int x1, x2, y1, y2;
 354     int mx, my;
 355     int fbw, fbh;
 356     int ww, wh;
 357
 358     trace_gd_update(x, y, w, h);
 359
 360     if (vc->gfx.convert) {
 361         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 362                                NULL, vc->gfx.convert,
 363                                x, y, 0, 0, x, y, w, h);
 364     }
 365
 366     x1 = floor(x * vc->gfx.scale_x);
 367     y1 = floor(y * vc->gfx.scale_y);
 368
 369     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 370     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 371
 372     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 373     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 374
 375     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
 376                           &ww, &wh);
 377
 378     mx = my = 0;
 379     if (ww > fbw) {
 380         mx = (ww - fbw) / 2;
 381     }
 382     if (wh > fbh) {
 383         my = (wh - fbh) / 2;
 384     }
 385
 386     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 387                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 388 }
 389
 390 static void gd_refresh(DisplayChangeListener *dcl)
 391 {
 392     graphic_hw_update(dcl->con);
 393 }
 394
 395 #if GTK_CHECK_VERSION(3, 0, 0)
 396 static void gd_mouse_set(DisplayChangeListener *dcl,
 397                          int x, int y, int visible)
 398 {
 399     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 400     GdkDisplay *dpy;
 401     GdkDeviceManager *mgr;
 402     gint x_root, y_root;
 403
 404     if (qemu_input_is_absolute()) {
 405         return;
 406     }
 407
 408     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 409     mgr = gdk_display_get_device_manager(dpy);
 410     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 411                                x, y, &x_root, &y_root);
 412     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
 413                     gtk_widget_get_screen(vc->gfx.drawing_area),
 414                     x_root, y_root);
 415 }
 416 #else
 417 static void gd_mouse_set(DisplayChangeListener *dcl,
 418                          int x, int y, int visible)
 419 {
 420     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 421     gint x_root, y_root;
 422
 423     if (qemu_input_is_absolute()) {
 424         return;
 425     }
 426
 427     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 428                                x, y, &x_root, &y_root);
 429     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
 430                              gtk_widget_get_screen(vc->gfx.drawing_area),
 431                              x_root, y_root);
 432 }
 433 #endif
 434
 435 static void gd_cursor_define(DisplayChangeListener *dcl,
 436                              QEMUCursor *c)
 437 {
 438     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 439     GdkPixbuf *pixbuf;
 440     GdkCursor *cursor;
 441
 442     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 443                                       GDK_COLORSPACE_RGB, true, 8,
 444                                       c->width, c->height, c->width * 4,
 445                                       NULL, NULL);
 446     cursor = gdk_cursor_new_from_pixbuf
 447         (gtk_widget_get_display(vc->gfx.drawing_area),
 448          pixbuf, c->hot_x, c->hot_y);
 449     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 450     g_object_unref(pixbuf);
 451 #if !GTK_CHECK_VERSION(3, 0, 0)
 452     gdk_cursor_unref(cursor);
 453 #else
 454     g_object_unref(cursor);
 455 #endif
 456 }
 457
 458 static void gd_switch(DisplayChangeListener *dcl,
 459                       DisplaySurface *surface)
 460 {
 461     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 462     bool resized = true;
 463
 464     trace_gd_switch(surface_width(surface), surface_height(surface));
 465
 466     if (vc->gfx.surface) {
 467         cairo_surface_destroy(vc->gfx.surface);
 468     }
 469
 470     if (vc->gfx.ds &&
 471         surface_width(vc->gfx.ds) == surface_width(surface) &&
 472         surface_height(vc->gfx.ds) == surface_height(surface)) {
 473         resized = false;
 474     }
 475     vc->gfx.ds = surface;
 476
 477     if (vc->gfx.convert) {
 478         pixman_image_unref(vc->gfx.convert);
 479         vc->gfx.convert = NULL;
 480     }
 481
 482     if (surface->format == PIXMAN_x8r8g8b8) {
 483         /*
 484          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 485          *
 486          * No need to convert, use surface directly.  Should be the
 487          * common case as this is qemu_default_pixelformat(32) too.
 488          */
 489         vc->gfx.surface = cairo_image_surface_create_for_data
 490             (surface_data(surface),
 491              CAIRO_FORMAT_RGB24,
 492              surface_width(surface),
 493              surface_height(surface),
 494              surface_stride(surface));
 495     } else {
 496         /* Must convert surface, use pixman to do it. */
 497         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 498                                                    surface_width(surface),
 499                                                    surface_height(surface),
 500                                                    NULL, 0);
 501         vc->gfx.surface = cairo_image_surface_create_for_data
 502             ((void *)pixman_image_get_data(vc->gfx.convert),
 503              CAIRO_FORMAT_RGB24,
 504              pixman_image_get_width(vc->gfx.convert),
 505              pixman_image_get_height(vc->gfx.convert),
 506              pixman_image_get_stride(vc->gfx.convert));
 507         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 508                                NULL, vc->gfx.convert,
 509                                0, 0, 0, 0, 0, 0,
 510                                pixman_image_get_width(vc->gfx.convert),
 511                                pixman_image_get_height(vc->gfx.convert));
 512     }
 513
 514     if (resized) {
 515         gd_update_windowsize(vc);
 516     } else {
 517         gd_update_full_redraw(vc);
 518     }
 519 }
 520
 521 /** QEMU Events **/
 522
 523 static void gd_change_runstate(void *opaque, int running, RunState state)
 524 {
 525     GtkDisplayState *s = opaque;
 526
 527     gd_update_caption(s);
 528 }
 529
 530 static void gd_mouse_mode_change(Notifier *notify, void *data)
 531 {
 532     GtkDisplayState *s;
 533
 534     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 535     /* release the grab at switching to absolute mode */
 536     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 537         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 538                                        FALSE);
 539     }
 540     gd_update_cursor(gd_vc_find_current(s));
 541 }
 542
 543 /** GTK Events **/
 544
 545 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 546                                 void *opaque)
 547 {
 548     GtkDisplayState *s = opaque;
 549     int i;
 550
 551     if (!no_quit) {
 552         for (i = 0; i < s->nb_vcs; i++) {
 553             if (s->vc[i].type != GD_VC_GFX) {
 554                 continue;
 555             }
 556             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
 557         }
 558         qmp_quit(NULL);
 559         return FALSE;
 560     }
 561
 562     return TRUE;
 563 }
 564
 565 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 566 {
 567     VirtualConsole *vc = opaque;
 568     GtkDisplayState *s = vc->s;
 569     int mx, my;
 570     int ww, wh;
 571     int fbw, fbh;
 572
 573     if (!gtk_widget_get_realized(widget)) {
 574         return FALSE;
 575     }
 576
 577     fbw = surface_width(vc->gfx.ds);
 578     fbh = surface_height(vc->gfx.ds);
 579
 580     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
 581
 582     if (s->full_screen) {
 583         vc->gfx.scale_x = (double)ww / fbw;
 584         vc->gfx.scale_y = (double)wh / fbh;
 585     } else if (s->free_scale) {
 586         double sx, sy;
 587
 588         sx = (double)ww / fbw;
 589         sy = (double)wh / fbh;
 590
 591         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 592     }
 593
 594     fbw *= vc->gfx.scale_x;
 595     fbh *= vc->gfx.scale_y;
 596
 597     mx = my = 0;
 598     if (ww > fbw) {
 599         mx = (ww - fbw) / 2;
 600     }
 601     if (wh > fbh) {
 602         my = (wh - fbh) / 2;
 603     }
 604
 605     cairo_rectangle(cr, 0, 0, ww, wh);
 606
 607     /* Optionally cut out the inner area where the pixmap
 608        will be drawn. This avoids 'flashing' since we're
 609        not double-buffering. Note we're using the undocumented
 610        behaviour of drawing the rectangle from right to left
 611        to cut out the whole */
 612     cairo_rectangle(cr, mx + fbw, my,
 613                     -1 * fbw, fbh);
 614     cairo_fill(cr);
 615
 616     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 617     cairo_set_source_surface(cr, vc->gfx.surface,
 618                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 619     cairo_paint(cr);
 620
 621     return TRUE;
 622 }
 623
 624 #if !GTK_CHECK_VERSION(3, 0, 0)
 625 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
 626                                 void *opaque)
 627 {
 628     cairo_t *cr;
 629     gboolean ret;
 630
 631     cr = gdk_cairo_create(gtk_widget_get_window(widget));
 632     cairo_rectangle(cr,
 633                     expose->area.x,
 634                     expose->area.y,
 635                     expose->area.width,
 636                     expose->area.height);
 637     cairo_clip(cr);
 638
 639     ret = gd_draw_event(widget, cr, opaque);
 640
 641     cairo_destroy(cr);
 642
 643     return ret;
 644 }
 645 #endif
 646
 647 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 648                                 void *opaque)
 649 {
 650     VirtualConsole *vc = opaque;
 651     GtkDisplayState *s = vc->s;
 652     int x, y;
 653     int mx, my;
 654     int fbh, fbw;
 655     int ww, wh;
 656
 657     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 658     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 659
 660     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
 661                           &ww, &wh);
 662
 663     mx = my = 0;
 664     if (ww > fbw) {
 665         mx = (ww - fbw) / 2;
 666     }
 667     if (wh > fbh) {
 668         my = (wh - fbh) / 2;
 669     }
 670
 671     x = (motion->x - mx) / vc->gfx.scale_x;
 672     y = (motion->y - my) / vc->gfx.scale_y;
 673
 674     if (qemu_input_is_absolute()) {
 675         if (x < 0 || y < 0 ||
 676             x >= surface_width(vc->gfx.ds) ||
 677             y >= surface_height(vc->gfx.ds)) {
 678             return TRUE;
 679         }
 680         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 681                              surface_width(vc->gfx.ds));
 682         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 683                              surface_height(vc->gfx.ds));
 684         qemu_input_event_sync();
 685     } else if (s->last_set && gd_is_grab_active(s)) {
 686         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 687         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 688         qemu_input_event_sync();
 689     }
 690     s->last_x = x;
 691     s->last_y = y;
 692     s->last_set = TRUE;
 693
 694     if (!qemu_input_is_absolute() && gd_is_grab_active(s)) {
 695         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 696         int x = (int)motion->x_root;
 697         int y = (int)motion->y_root;
 698
 699         /* In relative mode check to see if client pointer hit
 700          * one of the screen edges, and if so move it back by
 701          * 200 pixels. This is important because the pointer
 702          * in the server doesn't correspond 1-for-1, and so
 703          * may still be only half way across the screen. Without
 704          * this warp, the server pointer would thus appear to hit
 705          * an invisible wall */
 706         if (x == 0) {
 707             x += 200;
 708         }
 709         if (y == 0) {
 710             y += 200;
 711         }
 712         if (x == (gdk_screen_get_width(screen) - 1)) {
 713             x -= 200;
 714         }
 715         if (y == (gdk_screen_get_height(screen) - 1)) {
 716             y -= 200;
 717         }
 718
 719         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 720 #if GTK_CHECK_VERSION(3, 0, 0)
 721             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 722             gdk_device_warp(dev, screen, x, y);
 723 #else
 724             GdkDisplay *display = gtk_widget_get_display(widget);
 725             gdk_display_warp_pointer(display, screen, x, y);
 726 #endif
 727             s->last_set = FALSE;
 728             return FALSE;
 729         }
 730     }
 731     return TRUE;
 732 }
 733
 734 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 735                                 void *opaque)
 736 {
 737     VirtualConsole *vc = opaque;
 738     GtkDisplayState *s = vc->s;
 739     InputButton btn;
 740
 741     /* implicitly grab the input at the first click in the relative mode */
 742     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 743         !qemu_input_is_absolute() && !gd_is_grab_active(s)) {
 744         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 745                                        TRUE);
 746         return TRUE;
 747     }
 748
 749     if (button->button == 1) {
 750         btn = INPUT_BUTTON_LEFT;
 751     } else if (button->button == 2) {
 752         btn = INPUT_BUTTON_MIDDLE;
 753     } else if (button->button == 3) {
 754         btn = INPUT_BUTTON_RIGHT;
 755     } else {
 756         return TRUE;
 757     }
 758
 759     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 760                          button->type == GDK_BUTTON_PRESS);
 761     qemu_input_event_sync();
 762     return TRUE;
 763 }
 764
 765 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 766                                 void *opaque)
 767 {
 768     VirtualConsole *vc = opaque;
 769     InputButton btn;
 770
 771     if (scroll->direction == GDK_SCROLL_UP) {
 772         btn = INPUT_BUTTON_WHEEL_UP;
 773     } else if (scroll->direction == GDK_SCROLL_DOWN) {
 774         btn = INPUT_BUTTON_WHEEL_DOWN;
 775     } else {
 776         return TRUE;
 777     }
 778
 779     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
 780     qemu_input_event_sync();
 781     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
 782     qemu_input_event_sync();
 783     return TRUE;
 784 }
 785
 786 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
 787 {
 788     VirtualConsole *vc = opaque;
 789     GtkDisplayState *s = vc->s;
 790     int gdk_keycode = key->hardware_keycode;
 791     int i;
 792
 793 #ifdef _WIN32
 794     UINT qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
 795     switch (qemu_keycode) {
 796     case 103:   /* alt gr */
 797         qemu_keycode = 56 | SCANCODE_GREY;
 798         break;
 799     }
 800 #else
 801     int qemu_keycode;
 802
 803     if (gdk_keycode < 9) {
 804         qemu_keycode = 0;
 805     } else if (gdk_keycode < 97) {
 806         qemu_keycode = gdk_keycode - 8;
 807     } else if (gdk_keycode < 158) {
 808         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
 809     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
 810         qemu_keycode = 0x70;
 811     } else if (gdk_keycode == 211) { /* backslash */
 812         qemu_keycode = 0x73;
 813     } else {
 814         qemu_keycode = 0;
 815     }
 816 #endif
 817
 818     trace_gd_key_event(gdk_keycode, qemu_keycode,
 819                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
 820
 821     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 822         if (qemu_keycode == modifier_keycode[i]) {
 823             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
 824         }
 825     }
 826
 827     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
 828                                      key->type == GDK_KEY_PRESS);
 829
 830     return TRUE;
 831 }
 832
 833 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
 834 {
 835     if (event->type == GDK_MOTION_NOTIFY) {
 836         return gd_motion_event(widget, &event->motion, opaque);
 837     }
 838     return FALSE;
 839 }
 840
 841 /** Window Menu Actions **/
 842
 843 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
 844 {
 845     GtkDisplayState *s = opaque;
 846
 847     if (s->external_pause_update) {
 848         return;
 849     }
 850     if (runstate_is_running()) {
 851         qmp_stop(NULL);
 852     } else {
 853         qmp_cont(NULL);
 854     }
 855 }
 856
 857 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
 858 {
 859     qmp_system_reset(NULL);
 860 }
 861
 862 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
 863 {
 864     qmp_system_powerdown(NULL);
 865 }
 866
 867 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
 868 {
 869     qmp_quit(NULL);
 870 }
 871
 872 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
 873 {
 874     GtkDisplayState *s = opaque;
 875     VirtualConsole *vc = gd_vc_find_by_menu(s);
 876     gint page;
 877
 878     gtk_release_modifiers(s);
 879     if (vc) {
 880         page = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook),
 881                                      vc->tab_item);
 882         gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), page);
 883     }
 884 }
 885
 886 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
 887 {
 888     GtkDisplayState *s = opaque;
 889
 890     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
 891         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
 892     } else {
 893         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
 894     }
 895 }
 896
 897 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
 898                                     void *opaque)
 899 {
 900     VirtualConsole *vc = opaque;
 901     GtkDisplayState *s = vc->s;
 902
 903     gtk_widget_set_sensitive(vc->menu_item, true);
 904     gtk_widget_reparent(vc->tab_item, s->notebook);
 905     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
 906                                     vc->tab_item, vc->label);
 907     gtk_widget_destroy(vc->window);
 908     vc->window = NULL;
 909     return TRUE;
 910 }
 911
 912 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
 913 {
 914     GtkDisplayState *s = opaque;
 915     VirtualConsole *vc = gd_vc_find_current(s);
 916     char *title;
 917
 918     if (vc->type == GD_VC_GFX) {
 919         /* temporary: needs more work to get grabs etc correct */
 920         return;
 921     }
 922     if (!vc->window) {
 923         gtk_widget_set_sensitive(vc->menu_item, false);
 924         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 925         gtk_widget_reparent(vc->tab_item, vc->window);
 926
 927         if (qemu_name) {
 928             title = g_strdup_printf("QEMU (%s): %s", qemu_name, vc->label);
 929         } else {
 930             title = g_strdup_printf("QEMU: %s", vc->label);
 931         }
 932         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 933         g_free(title);
 934
 935         g_signal_connect(vc->window, "delete-event",
 936                          G_CALLBACK(gd_tab_window_close), vc);
 937         gtk_widget_show_all(vc->window);
 938     }
 939 }
 940
 941 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
 942 {
 943     GtkDisplayState *s = opaque;
 944     VirtualConsole *vc = gd_vc_find_current(s);
 945
 946     if (!s->full_screen) {
 947         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
 948         gtk_widget_set_size_request(s->menu_bar, 0, 0);
 949         if (vc->type == GD_VC_GFX) {
 950             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
 951             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 952                                            TRUE);
 953         }
 954         gtk_window_fullscreen(GTK_WINDOW(s->window));
 955         s->full_screen = TRUE;
 956     } else {
 957         gtk_window_unfullscreen(GTK_WINDOW(s->window));
 958         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
 959         gtk_widget_set_size_request(s->menu_bar, -1, -1);
 960         s->full_screen = FALSE;
 961         if (vc->type == GD_VC_GFX) {
 962             vc->gfx.scale_x = 1.0;
 963             vc->gfx.scale_y = 1.0;
 964             gtk_widget_set_size_request(vc->gfx.drawing_area,
 965                                         surface_width(vc->gfx.ds),
 966                                         surface_height(vc->gfx.ds));
 967             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 968                                            FALSE);
 969         }
 970     }
 971
 972     gd_update_cursor(vc);
 973 }
 974
 975 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
 976 {
 977     GtkDisplayState *s = opaque;
 978     VirtualConsole *vc = gd_vc_find_current(s);
 979
 980     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
 981                                    FALSE);
 982
 983     vc->gfx.scale_x += .25;
 984     vc->gfx.scale_y += .25;
 985
 986     gd_update_windowsize(vc);
 987 }
 988
 989 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
 990 {
 991     GtkDisplayState *s = opaque;
 992     VirtualConsole *vc = gd_vc_find_current(s);
 993
 994     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
 995                                    FALSE);
 996
 997     vc->gfx.scale_x -= .25;
 998     vc->gfx.scale_y -= .25;
 999
1000     vc->gfx.scale_x = MAX(vc->gfx.scale_x, .25);
1001     vc->gfx.scale_y = MAX(vc->gfx.scale_y, .25);
1002
1003     gd_update_windowsize(vc);
1004 }
1005
1006 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1007 {
1008     GtkDisplayState *s = opaque;
1009     VirtualConsole *vc = gd_vc_find_current(s);
1010
1011     vc->gfx.scale_x = 1.0;
1012     vc->gfx.scale_y = 1.0;
1013
1014     gd_update_windowsize(vc);
1015 }
1016
1017 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1018 {
1019     GtkDisplayState *s = opaque;
1020     VirtualConsole *vc = gd_vc_find_current(s);
1021
1022     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1023         s->free_scale = TRUE;
1024     } else {
1025         s->free_scale = FALSE;
1026         vc->gfx.scale_x = 1.0;
1027         vc->gfx.scale_y = 1.0;
1028         gd_update_windowsize(vc);
1029     }
1030
1031     gd_update_full_redraw(vc);
1032 }
1033
1034 static void gd_grab_keyboard(VirtualConsole *vc)
1035 {
1036 #if GTK_CHECK_VERSION(3, 0, 0)
1037     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1038     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1039     GList *devices = gdk_device_manager_list_devices(mgr,
1040                                                      GDK_DEVICE_TYPE_MASTER);
1041     GList *tmp = devices;
1042     while (tmp) {
1043         GdkDevice *dev = tmp->data;
1044         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
1045             gdk_device_grab(dev,
1046                             gtk_widget_get_window(vc->gfx.drawing_area),
1047                             GDK_OWNERSHIP_NONE,
1048                             FALSE,
1049                             GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1050                             NULL,
1051                             GDK_CURRENT_TIME);
1052         }
1053         tmp = tmp->next;
1054     }
1055     g_list_free(devices);
1056 #else
1057     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1058                       FALSE,
1059                       GDK_CURRENT_TIME);
1060 #endif
1061 }
1062
1063 static void gd_ungrab_keyboard(VirtualConsole *vc)
1064 {
1065 #if GTK_CHECK_VERSION(3, 0, 0)
1066     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1067     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1068     GList *devices = gdk_device_manager_list_devices(mgr,
1069                                                      GDK_DEVICE_TYPE_MASTER);
1070     GList *tmp = devices;
1071     while (tmp) {
1072         GdkDevice *dev = tmp->data;
1073         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
1074             gdk_device_ungrab(dev,
1075                               GDK_CURRENT_TIME);
1076         }
1077         tmp = tmp->next;
1078     }
1079     g_list_free(devices);
1080 #else
1081     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1082 #endif
1083 }
1084
1085 static void gd_grab_pointer(VirtualConsole *vc)
1086 {
1087     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1088 #if GTK_CHECK_VERSION(3, 0, 0)
1089     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1090     GList *devices = gdk_device_manager_list_devices(mgr,
1091                                                      GDK_DEVICE_TYPE_MASTER);
1092     GList *tmp = devices;
1093     while (tmp) {
1094         GdkDevice *dev = tmp->data;
1095         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
1096             gdk_device_grab(dev,
1097                             gtk_widget_get_window(vc->gfx.drawing_area),
1098                             GDK_OWNERSHIP_NONE,
1099                             FALSE, /* All events to come to our
1100                                       window directly */
1101                             GDK_POINTER_MOTION_MASK |
1102                             GDK_BUTTON_PRESS_MASK |
1103                             GDK_BUTTON_RELEASE_MASK |
1104                             GDK_BUTTON_MOTION_MASK |
1105                             GDK_SCROLL_MASK,
1106                             vc->s->null_cursor,
1107                             GDK_CURRENT_TIME);
1108         }
1109         tmp = tmp->next;
1110     }
1111     g_list_free(devices);
1112     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1113                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1114 #else
1115     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1116                      FALSE, /* All events to come to our window directly */
1117                      GDK_POINTER_MOTION_MASK |
1118                      GDK_BUTTON_PRESS_MASK |
1119                      GDK_BUTTON_RELEASE_MASK |
1120                      GDK_BUTTON_MOTION_MASK |
1121                      GDK_SCROLL_MASK,
1122                      NULL, /* Allow cursor to move over entire desktop */
1123                      vc->s->null_cursor,
1124                      GDK_CURRENT_TIME);
1125     gdk_display_get_pointer(display, NULL,
1126                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1127 #endif
1128 }
1129
1130 static void gd_ungrab_pointer(VirtualConsole *vc)
1131 {
1132     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1133 #if GTK_CHECK_VERSION(3, 0, 0)
1134     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1135     GList *devices = gdk_device_manager_list_devices(mgr,
1136                                                      GDK_DEVICE_TYPE_MASTER);
1137     GList *tmp = devices;
1138     while (tmp) {
1139         GdkDevice *dev = tmp->data;
1140         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
1141             gdk_device_ungrab(dev,
1142                               GDK_CURRENT_TIME);
1143         }
1144         tmp = tmp->next;
1145     }
1146     g_list_free(devices);
1147     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1148                     gtk_widget_get_screen(vc->gfx.drawing_area),
1149                     vc->s->grab_x_root, vc->s->grab_y_root);
1150 #else
1151     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1152     gdk_display_warp_pointer(display,
1153                              gtk_widget_get_screen(vc->gfx.drawing_area),
1154                              vc->s->grab_x_root, vc->s->grab_y_root);
1155 #endif
1156 }
1157
1158 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1159 {
1160     GtkDisplayState *s = opaque;
1161     VirtualConsole *vc = gd_vc_find_current(s);
1162
1163     if (gd_is_grab_active(s)) {
1164         gd_grab_keyboard(vc);
1165         gd_grab_pointer(vc);
1166     } else {
1167         gd_ungrab_keyboard(vc);
1168         gd_ungrab_pointer(vc);
1169     }
1170
1171     gd_update_caption(s);
1172     gd_update_cursor(vc);
1173 }
1174
1175 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1176                            gpointer data)
1177 {
1178     GtkDisplayState *s = data;
1179     VirtualConsole *vc;
1180     gboolean on_vga;
1181
1182     if (!gtk_widget_get_realized(s->notebook)) {
1183         return;
1184     }
1185
1186     vc = gd_vc_find_by_page(s, arg2);
1187     if (!vc) {
1188         return;
1189     }
1190     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1191                                    TRUE);
1192
1193     on_vga = (vc->type == GD_VC_GFX);
1194     if (!on_vga) {
1195         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1196                                        FALSE);
1197     } else if (s->full_screen) {
1198         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1199                                        TRUE);
1200     }
1201     gtk_widget_set_sensitive(s->grab_item, on_vga);
1202
1203     gd_update_cursor(vc);
1204 }
1205
1206 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1207                                gpointer opaque)
1208 {
1209     VirtualConsole *vc = opaque;
1210     GtkDisplayState *s = vc->s;
1211
1212     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1213         gd_grab_keyboard(vc);
1214     }
1215
1216     return TRUE;
1217 }
1218
1219 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1220                                gpointer opaque)
1221 {
1222     VirtualConsole *vc = opaque;
1223     GtkDisplayState *s = vc->s;
1224
1225     if (!gd_is_grab_active(s) && gd_grab_on_hover(s)) {
1226         gd_ungrab_keyboard(vc);
1227     }
1228
1229     return TRUE;
1230 }
1231
1232 static gboolean gd_focus_out_event(GtkWidget *widget,
1233                                    GdkEventCrossing *crossing, gpointer opaque)
1234 {
1235     VirtualConsole *vc = opaque;
1236     GtkDisplayState *s = vc->s;
1237
1238     gtk_release_modifiers(s);
1239
1240     return TRUE;
1241 }
1242
1243 /** Virtual Console Callbacks **/
1244
1245 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1246                                int idx, GSList *group, GtkWidget *view_menu)
1247 {
1248     char path[32];
1249
1250     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", idx);
1251
1252     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1253     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1254     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1255     gtk_accel_map_add_entry(path, GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1256
1257     g_signal_connect(vc->menu_item, "activate",
1258                      G_CALLBACK(gd_menu_switch_vc), s);
1259     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1260
1261     return group;
1262 }
1263
1264 #if defined(CONFIG_VTE)
1265 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1266 {
1267     VirtualConsole *vc = opaque;
1268
1269     if (gtk_adjustment_get_upper(adjustment) >
1270         gtk_adjustment_get_page_size(adjustment)) {
1271         gtk_widget_show(vc->vte.scrollbar);
1272     } else {
1273         gtk_widget_hide(vc->vte.scrollbar);
1274     }
1275 }
1276
1277 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1278 {
1279     VirtualConsole *vc = chr->opaque;
1280
1281     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1282     return len;
1283 }
1284
1285 static int nb_vcs;
1286 static CharDriverState *vcs[MAX_VCS];
1287
1288 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1289 {
1290     CharDriverState *chr;
1291
1292     chr = g_malloc0(sizeof(*chr));
1293     chr->chr_write = gd_vc_chr_write;
1294     /* defer OPENED events until our vc is fully initialized */
1295     chr->explicit_be_open = true;
1296
1297     vcs[nb_vcs++] = chr;
1298
1299     return chr;
1300 }
1301
1302 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1303                          gpointer user_data)
1304 {
1305     VirtualConsole *vc = user_data;
1306
1307     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1308     return TRUE;
1309 }
1310
1311 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1312                               CharDriverState *chr, int idx,
1313                               GSList *group, GtkWidget *view_menu)
1314 {
1315     char buffer[32];
1316     GtkWidget *box;
1317     GtkWidget *scrollbar;
1318     GtkAdjustment *vadjustment;
1319
1320     vc->s = s;
1321     vc->vte.chr = chr;
1322
1323     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1324     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1325                                 ? vc->vte.chr->label : buffer);
1326     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1327
1328     vc->vte.terminal = vte_terminal_new();
1329     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1330
1331     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1332     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal), 80, 25);
1333
1334 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1335     vadjustment = gtk_scrollable_get_vadjustment
1336         (GTK_SCROLLABLE(vc->vte.terminal));
1337 #else
1338     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1339 #endif
1340
1341 #if GTK_CHECK_VERSION(3, 0, 0)
1342     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1343     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1344 #else
1345     box = gtk_hbox_new(false, 2);
1346     scrollbar = gtk_vscrollbar_new(vadjustment);
1347 #endif
1348
1349     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1350     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1351
1352     vc->vte.chr->opaque = vc;
1353     vc->vte.box = box;
1354     vc->vte.scrollbar = scrollbar;
1355
1356     g_signal_connect(vadjustment, "changed",
1357                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1358
1359     vc->type = GD_VC_VTE;
1360     vc->tab_item = box;
1361     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1362                              gtk_label_new(vc->label));
1363
1364     qemu_chr_be_generic_open(vc->vte.chr);
1365     if (vc->vte.chr->init) {
1366         vc->vte.chr->init(vc->vte.chr);
1367     }
1368
1369     return group;
1370 }
1371
1372 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1373                         GtkWidget *view_menu)
1374 {
1375     int i;
1376
1377     for (i = 0; i < nb_vcs; i++) {
1378         VirtualConsole *vc = &s->vc[s->nb_vcs];
1379         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1380         s->nb_vcs++;
1381     }
1382 }
1383 #endif /* CONFIG_VTE */
1384
1385 /** Window Creation **/
1386
1387 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1388 {
1389 #if GTK_CHECK_VERSION(3, 0, 0)
1390     g_signal_connect(vc->gfx.drawing_area, "draw",
1391                      G_CALLBACK(gd_draw_event), vc);
1392 #else
1393     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1394                      G_CALLBACK(gd_expose_event), vc);
1395 #endif
1396     g_signal_connect(vc->gfx.drawing_area, "event",
1397                      G_CALLBACK(gd_event), vc);
1398     g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1399                      G_CALLBACK(gd_button_event), vc);
1400     g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1401                      G_CALLBACK(gd_button_event), vc);
1402     g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1403                      G_CALLBACK(gd_scroll_event), vc);
1404     g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1405                      G_CALLBACK(gd_key_event), vc);
1406     g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1407                      G_CALLBACK(gd_key_event), vc);
1408
1409     g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1410                      G_CALLBACK(gd_enter_event), vc);
1411     g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1412                      G_CALLBACK(gd_leave_event), vc);
1413     g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1414                      G_CALLBACK(gd_focus_out_event), vc);
1415 }
1416
1417 static void gd_connect_signals(GtkDisplayState *s)
1418 {
1419     g_signal_connect(s->show_tabs_item, "activate",
1420                      G_CALLBACK(gd_menu_show_tabs), s);
1421     g_signal_connect(s->untabify_item, "activate",
1422                      G_CALLBACK(gd_menu_untabify), s);
1423
1424     g_signal_connect(s->window, "delete-event",
1425                      G_CALLBACK(gd_window_close), s);
1426
1427     g_signal_connect(s->pause_item, "activate",
1428                      G_CALLBACK(gd_menu_pause), s);
1429     g_signal_connect(s->reset_item, "activate",
1430                      G_CALLBACK(gd_menu_reset), s);
1431     g_signal_connect(s->powerdown_item, "activate",
1432                      G_CALLBACK(gd_menu_powerdown), s);
1433     g_signal_connect(s->quit_item, "activate",
1434                      G_CALLBACK(gd_menu_quit), s);
1435     g_signal_connect(s->full_screen_item, "activate",
1436                      G_CALLBACK(gd_menu_full_screen), s);
1437     g_signal_connect(s->zoom_in_item, "activate",
1438                      G_CALLBACK(gd_menu_zoom_in), s);
1439     g_signal_connect(s->zoom_out_item, "activate",
1440                      G_CALLBACK(gd_menu_zoom_out), s);
1441     g_signal_connect(s->zoom_fixed_item, "activate",
1442                      G_CALLBACK(gd_menu_zoom_fixed), s);
1443     g_signal_connect(s->zoom_fit_item, "activate",
1444                      G_CALLBACK(gd_menu_zoom_fit), s);
1445     g_signal_connect(s->grab_item, "activate",
1446                      G_CALLBACK(gd_menu_grab_input), s);
1447     g_signal_connect(s->notebook, "switch-page",
1448                      G_CALLBACK(gd_change_page), s);
1449 }
1450
1451 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
1452 {
1453     GtkWidget *machine_menu;
1454     GtkWidget *separator;
1455
1456     machine_menu = gtk_menu_new();
1457     gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
1458
1459     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1460     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1461
1462     separator = gtk_separator_menu_item_new();
1463     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1464
1465     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1466     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1467
1468     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1469     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1470
1471     separator = gtk_separator_menu_item_new();
1472     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1473
1474     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1475     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1476                                  "<QEMU>/Machine/Quit");
1477     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1478                             GDK_KEY_q, HOTKEY_MODIFIERS);
1479     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1480
1481     return machine_menu;
1482 }
1483
1484 static const DisplayChangeListenerOps dcl_ops = {
1485     .dpy_name          = "gtk",
1486     .dpy_gfx_update    = gd_update,
1487     .dpy_gfx_switch    = gd_switch,
1488     .dpy_refresh       = gd_refresh,
1489     .dpy_mouse_set     = gd_mouse_set,
1490     .dpy_cursor_define = gd_cursor_define,
1491 };
1492
1493 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1494                               QemuConsole *con, int idx,
1495                               GSList *group, GtkWidget *view_menu)
1496 {
1497     Error *local_err = NULL;
1498     Object *obj;
1499
1500     obj = object_property_get_link(OBJECT(con), "device", &local_err);
1501     if (obj) {
1502         vc->label = g_strdup_printf("%s", object_get_typename(obj));
1503     } else {
1504         vc->label = g_strdup_printf("VGA");
1505     }
1506
1507     vc->s = s;
1508     vc->gfx.scale_x = 1.0;
1509     vc->gfx.scale_y = 1.0;
1510
1511     vc->gfx.drawing_area = gtk_drawing_area_new();
1512     gtk_widget_add_events(vc->gfx.drawing_area,
1513                           GDK_POINTER_MOTION_MASK |
1514                           GDK_BUTTON_PRESS_MASK |
1515                           GDK_BUTTON_RELEASE_MASK |
1516                           GDK_BUTTON_MOTION_MASK |
1517                           GDK_ENTER_NOTIFY_MASK |
1518                           GDK_LEAVE_NOTIFY_MASK |
1519                           GDK_SCROLL_MASK |
1520                           GDK_KEY_PRESS_MASK);
1521     gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1522     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1523
1524     vc->type = GD_VC_GFX;
1525     vc->tab_item = vc->gfx.drawing_area;
1526     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1527                              vc->tab_item, gtk_label_new(vc->label));
1528     gd_connect_vc_gfx_signals(vc);
1529
1530     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1531
1532     vc->gfx.dcl.ops = &dcl_ops;
1533     vc->gfx.dcl.con = con;
1534     register_displaychangelistener(&vc->gfx.dcl);
1535
1536     return group;
1537 }
1538
1539 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
1540 {
1541     GSList *group = NULL;
1542     GtkWidget *view_menu;
1543     GtkWidget *separator;
1544     QemuConsole *con;
1545     int vc;
1546
1547     view_menu = gtk_menu_new();
1548     gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
1549
1550     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1551     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1552                                  "<QEMU>/View/Full Screen");
1553     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
1554                             HOTKEY_MODIFIERS);
1555     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1556
1557     separator = gtk_separator_menu_item_new();
1558     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1559
1560     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1561     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1562                                  "<QEMU>/View/Zoom In");
1563     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1564                             HOTKEY_MODIFIERS);
1565     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1566
1567     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1568     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1569                                  "<QEMU>/View/Zoom Out");
1570     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1571                             HOTKEY_MODIFIERS);
1572     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1573
1574     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1575     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1576                                  "<QEMU>/View/Zoom Fixed");
1577     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1578                             HOTKEY_MODIFIERS);
1579     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1580
1581     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1582     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1583
1584     separator = gtk_separator_menu_item_new();
1585     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1586
1587     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1588     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1589
1590     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1591     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1592                                  "<QEMU>/View/Grab Input");
1593     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1594                             HOTKEY_MODIFIERS);
1595     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1596
1597     separator = gtk_separator_menu_item_new();
1598     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1599
1600     /* gfx */
1601     for (vc = 0;; vc++) {
1602         con = qemu_console_lookup_by_index(vc);
1603         if (!con || !qemu_console_is_graphic(con)) {
1604             break;
1605         }
1606         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1607                                vc, group, view_menu);
1608         s->nb_vcs++;
1609     }
1610
1611 #if defined(CONFIG_VTE)
1612     /* vte */
1613     gd_vcs_init(s, group, view_menu);
1614 #endif
1615
1616     separator = gtk_separator_menu_item_new();
1617     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1618
1619     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1620     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1621
1622     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1623     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1624
1625     return view_menu;
1626 }
1627
1628 static void gd_create_menus(GtkDisplayState *s)
1629 {
1630     GtkAccelGroup *accel_group;
1631
1632     accel_group = gtk_accel_group_new();
1633     s->machine_menu = gd_create_menu_machine(s, accel_group);
1634     s->view_menu = gd_create_menu_view(s, accel_group);
1635
1636     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1637     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1638                               s->machine_menu);
1639     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1640
1641     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1642     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1643     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1644
1645     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1646     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1647     s->accel_group = accel_group;
1648 }
1649
1650 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1651 {
1652     GtkDisplayState *s = g_malloc0(sizeof(*s));
1653     char *filename;
1654
1655     gtk_init(NULL, NULL);
1656
1657     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1658 #if GTK_CHECK_VERSION(3, 2, 0)
1659     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1660 #else
1661     s->vbox = gtk_vbox_new(FALSE, 0);
1662 #endif
1663     s->notebook = gtk_notebook_new();
1664     s->menu_bar = gtk_menu_bar_new();
1665
1666     s->free_scale = FALSE;
1667
1668     setlocale(LC_ALL, "");
1669     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1670     textdomain("qemu");
1671
1672     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1673
1674     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1675     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1676     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1677
1678     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1679     if (filename) {
1680         GError *error = NULL;
1681         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1682         if (pixbuf) {
1683             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1684         } else {
1685             g_error_free(error);
1686         }
1687         g_free(filename);
1688     }
1689
1690     gd_create_menus(s);
1691
1692     gd_connect_signals(s);
1693
1694     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1695     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1696
1697     gd_update_caption(s);
1698
1699     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1700     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1701
1702     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1703
1704     gtk_widget_show_all(s->window);
1705
1706     if (full_screen) {
1707         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1708     }
1709     if (grab_on_hover) {
1710         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1711     }
1712
1713     global_state = s;
1714 }
1715
1716 void early_gtk_display_init(void)
1717 {
1718 #if defined(CONFIG_VTE)
1719     register_vc_handler(gd_vc_handler);
1720 #endif
1721 }