ui/gtk.c

   1 /*
   2  * GTK UI
   3  *
   4  * Copyright IBM, Corp. 2012
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   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 <anthony@codemonkey.ws>
  17  * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
  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     VirtualConsole *kbd_owner;
 189     VirtualConsole *ptr_owner;
 190
 191     gboolean full_screen;
 192
 193     GdkCursor *null_cursor;
 194     Notifier mouse_mode_notifier;
 195     gboolean free_scale;
 196
 197     bool external_pause_update;
 198
 199     bool modifier_pressed[ARRAY_SIZE(modifier_keycode)];
 200 };
 201
 202 static GtkDisplayState *global_state;
 203
 204 static void gd_grab_pointer(VirtualConsole *vc);
 205 static void gd_ungrab_pointer(GtkDisplayState *s);
 206
 207 /** Utility Functions **/
 208
 209 static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState *s)
 210 {
 211     VirtualConsole *vc;
 212     gint i;
 213
 214     for (i = 0; i < s->nb_vcs; i++) {
 215         vc = &s->vc[i];
 216         if (gtk_check_menu_item_get_active
 217             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
 218             return vc;
 219         }
 220     }
 221     return NULL;
 222 }
 223
 224 static VirtualConsole *gd_vc_find_by_page(GtkDisplayState *s, gint page)
 225 {
 226     VirtualConsole *vc;
 227     gint i, p;
 228
 229     for (i = 0; i < s->nb_vcs; i++) {
 230         vc = &s->vc[i];
 231         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
 232         if (p == page) {
 233             return vc;
 234         }
 235     }
 236     return NULL;
 237 }
 238
 239 static VirtualConsole *gd_vc_find_current(GtkDisplayState *s)
 240 {
 241     gint page;
 242
 243     page = gtk_notebook_get_current_page(GTK_NOTEBOOK(s->notebook));
 244     return gd_vc_find_by_page(s, page);
 245 }
 246
 247 static bool gd_is_grab_active(GtkDisplayState *s)
 248 {
 249     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_item));
 250 }
 251
 252 static bool gd_grab_on_hover(GtkDisplayState *s)
 253 {
 254     return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->grab_on_hover_item));
 255 }
 256
 257 static void gd_update_cursor(VirtualConsole *vc)
 258 {
 259     GtkDisplayState *s = vc->s;
 260     GdkWindow *window;
 261
 262     if (vc->type != GD_VC_GFX) {
 263         return;
 264     }
 265
 266     window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area));
 267     if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) {
 268         gdk_window_set_cursor(window, s->null_cursor);
 269     } else {
 270         gdk_window_set_cursor(window, NULL);
 271     }
 272 }
 273
 274 static void gd_update_caption(GtkDisplayState *s)
 275 {
 276     const char *status = "";
 277     gchar *prefix;
 278     gchar *title;
 279     const char *grab = "";
 280     bool is_paused = !runstate_is_running();
 281     int i;
 282
 283     if (qemu_name) {
 284         prefix = g_strdup_printf("QEMU (%s)", qemu_name);
 285     } else {
 286         prefix = g_strdup_printf("QEMU");
 287     }
 288
 289     if (s->ptr_owner != NULL &&
 290         s->ptr_owner->window == NULL) {
 291         grab = _(" - Press Ctrl+Alt+G to release grab");
 292     }
 293
 294     if (is_paused) {
 295         status = _(" [Paused]");
 296     }
 297     s->external_pause_update = true;
 298     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->pause_item),
 299                                    is_paused);
 300     s->external_pause_update = false;
 301
 302     title = g_strdup_printf("%s%s%s", prefix, status, grab);
 303     gtk_window_set_title(GTK_WINDOW(s->window), title);
 304     g_free(title);
 305
 306     for (i = 0; i < s->nb_vcs; i++) {
 307         VirtualConsole *vc = &s->vc[i];
 308
 309         if (!vc->window) {
 310             continue;
 311         }
 312         title = g_strdup_printf("%s: %s%s%s", prefix, vc->label,
 313                                 vc == s->kbd_owner ? " +kbd" : "",
 314                                 vc == s->ptr_owner ? " +ptr" : "");
 315         gtk_window_set_title(GTK_WINDOW(vc->window), title);
 316         g_free(title);
 317     }
 318
 319     g_free(prefix);
 320 }
 321
 322 static void gd_update_windowsize(VirtualConsole *vc)
 323 {
 324     GtkDisplayState *s = vc->s;
 325     double sx, sy;
 326
 327     if (vc->type != GD_VC_GFX || s->full_screen) {
 328         return;
 329     }
 330
 331     if (s->free_scale) {
 332         sx = 1.0;
 333         sy = 1.0;
 334     } else {
 335         sx = vc->gfx.scale_x;
 336         sy = vc->gfx.scale_y;
 337     }
 338     gtk_widget_set_size_request(vc->gfx.drawing_area,
 339                                 surface_width(vc->gfx.ds) * sx,
 340                                 surface_height(vc->gfx.ds) * sy);
 341     gtk_window_resize(GTK_WINDOW(s->window), 320, 240);
 342 }
 343
 344 static void gd_update_full_redraw(VirtualConsole *vc)
 345 {
 346     GtkWidget *area = vc->gfx.drawing_area;
 347     int ww, wh;
 348     gdk_drawable_get_size(gtk_widget_get_window(area), &ww, &wh);
 349     gtk_widget_queue_draw_area(area, 0, 0, ww, wh);
 350 }
 351
 352 static void gtk_release_modifiers(GtkDisplayState *s)
 353 {
 354     VirtualConsole *vc = gd_vc_find_current(s);
 355     int i, keycode;
 356
 357     if (vc->type != GD_VC_GFX) {
 358         return;
 359     }
 360     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 361         keycode = modifier_keycode[i];
 362         if (!s->modifier_pressed[i]) {
 363             continue;
 364         }
 365         qemu_input_event_send_key_number(vc->gfx.dcl.con, keycode, false);
 366         s->modifier_pressed[i] = false;
 367     }
 368 }
 369
 370 /** DisplayState Callbacks **/
 371
 372 static void gd_update(DisplayChangeListener *dcl,
 373                       int x, int y, int w, int h)
 374 {
 375     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 376     int x1, x2, y1, y2;
 377     int mx, my;
 378     int fbw, fbh;
 379     int ww, wh;
 380
 381     trace_gd_update(vc->label, x, y, w, h);
 382
 383     if (vc->gfx.convert) {
 384         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 385                                NULL, vc->gfx.convert,
 386                                x, y, 0, 0, x, y, w, h);
 387     }
 388
 389     x1 = floor(x * vc->gfx.scale_x);
 390     y1 = floor(y * vc->gfx.scale_y);
 391
 392     x2 = ceil(x * vc->gfx.scale_x + w * vc->gfx.scale_x);
 393     y2 = ceil(y * vc->gfx.scale_y + h * vc->gfx.scale_y);
 394
 395     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 396     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 397
 398     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
 399                           &ww, &wh);
 400
 401     mx = my = 0;
 402     if (ww > fbw) {
 403         mx = (ww - fbw) / 2;
 404     }
 405     if (wh > fbh) {
 406         my = (wh - fbh) / 2;
 407     }
 408
 409     gtk_widget_queue_draw_area(vc->gfx.drawing_area,
 410                                mx + x1, my + y1, (x2 - x1), (y2 - y1));
 411 }
 412
 413 static void gd_refresh(DisplayChangeListener *dcl)
 414 {
 415     graphic_hw_update(dcl->con);
 416 }
 417
 418 #if GTK_CHECK_VERSION(3, 0, 0)
 419 static void gd_mouse_set(DisplayChangeListener *dcl,
 420                          int x, int y, int visible)
 421 {
 422     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 423     GdkDisplay *dpy;
 424     GdkDeviceManager *mgr;
 425     gint x_root, y_root;
 426
 427     if (qemu_input_is_absolute()) {
 428         return;
 429     }
 430
 431     dpy = gtk_widget_get_display(vc->gfx.drawing_area);
 432     mgr = gdk_display_get_device_manager(dpy);
 433     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 434                                x, y, &x_root, &y_root);
 435     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
 436                     gtk_widget_get_screen(vc->gfx.drawing_area),
 437                     x_root, y_root);
 438 }
 439 #else
 440 static void gd_mouse_set(DisplayChangeListener *dcl,
 441                          int x, int y, int visible)
 442 {
 443     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 444     gint x_root, y_root;
 445
 446     if (qemu_input_is_absolute()) {
 447         return;
 448     }
 449
 450     gdk_window_get_root_coords(gtk_widget_get_window(vc->gfx.drawing_area),
 451                                x, y, &x_root, &y_root);
 452     gdk_display_warp_pointer(gtk_widget_get_display(vc->gfx.drawing_area),
 453                              gtk_widget_get_screen(vc->gfx.drawing_area),
 454                              x_root, y_root);
 455 }
 456 #endif
 457
 458 static void gd_cursor_define(DisplayChangeListener *dcl,
 459                              QEMUCursor *c)
 460 {
 461     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 462     GdkPixbuf *pixbuf;
 463     GdkCursor *cursor;
 464
 465     pixbuf = gdk_pixbuf_new_from_data((guchar *)(c->data),
 466                                       GDK_COLORSPACE_RGB, true, 8,
 467                                       c->width, c->height, c->width * 4,
 468                                       NULL, NULL);
 469     cursor = gdk_cursor_new_from_pixbuf
 470         (gtk_widget_get_display(vc->gfx.drawing_area),
 471          pixbuf, c->hot_x, c->hot_y);
 472     gdk_window_set_cursor(gtk_widget_get_window(vc->gfx.drawing_area), cursor);
 473     g_object_unref(pixbuf);
 474 #if !GTK_CHECK_VERSION(3, 0, 0)
 475     gdk_cursor_unref(cursor);
 476 #else
 477     g_object_unref(cursor);
 478 #endif
 479 }
 480
 481 static void gd_switch(DisplayChangeListener *dcl,
 482                       DisplaySurface *surface)
 483 {
 484     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
 485     bool resized = true;
 486
 487     trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
 488
 489     if (vc->gfx.surface) {
 490         cairo_surface_destroy(vc->gfx.surface);
 491     }
 492
 493     if (vc->gfx.ds &&
 494         surface_width(vc->gfx.ds) == surface_width(surface) &&
 495         surface_height(vc->gfx.ds) == surface_height(surface)) {
 496         resized = false;
 497     }
 498     vc->gfx.ds = surface;
 499
 500     if (vc->gfx.convert) {
 501         pixman_image_unref(vc->gfx.convert);
 502         vc->gfx.convert = NULL;
 503     }
 504
 505     if (surface->format == PIXMAN_x8r8g8b8) {
 506         /*
 507          * PIXMAN_x8r8g8b8 == CAIRO_FORMAT_RGB24
 508          *
 509          * No need to convert, use surface directly.  Should be the
 510          * common case as this is qemu_default_pixelformat(32) too.
 511          */
 512         vc->gfx.surface = cairo_image_surface_create_for_data
 513             (surface_data(surface),
 514              CAIRO_FORMAT_RGB24,
 515              surface_width(surface),
 516              surface_height(surface),
 517              surface_stride(surface));
 518     } else {
 519         /* Must convert surface, use pixman to do it. */
 520         vc->gfx.convert = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 521                                                    surface_width(surface),
 522                                                    surface_height(surface),
 523                                                    NULL, 0);
 524         vc->gfx.surface = cairo_image_surface_create_for_data
 525             ((void *)pixman_image_get_data(vc->gfx.convert),
 526              CAIRO_FORMAT_RGB24,
 527              pixman_image_get_width(vc->gfx.convert),
 528              pixman_image_get_height(vc->gfx.convert),
 529              pixman_image_get_stride(vc->gfx.convert));
 530         pixman_image_composite(PIXMAN_OP_SRC, vc->gfx.ds->image,
 531                                NULL, vc->gfx.convert,
 532                                0, 0, 0, 0, 0, 0,
 533                                pixman_image_get_width(vc->gfx.convert),
 534                                pixman_image_get_height(vc->gfx.convert));
 535     }
 536
 537     if (resized) {
 538         gd_update_windowsize(vc);
 539     } else {
 540         gd_update_full_redraw(vc);
 541     }
 542 }
 543
 544 /** QEMU Events **/
 545
 546 static void gd_change_runstate(void *opaque, int running, RunState state)
 547 {
 548     GtkDisplayState *s = opaque;
 549
 550     gd_update_caption(s);
 551 }
 552
 553 static void gd_mouse_mode_change(Notifier *notify, void *data)
 554 {
 555     GtkDisplayState *s;
 556     int i;
 557
 558     s = container_of(notify, GtkDisplayState, mouse_mode_notifier);
 559     /* release the grab at switching to absolute mode */
 560     if (qemu_input_is_absolute() && gd_is_grab_active(s)) {
 561         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 562                                        FALSE);
 563     }
 564     for (i = 0; i < s->nb_vcs; i++) {
 565         VirtualConsole *vc = &s->vc[i];
 566         gd_update_cursor(vc);
 567     }
 568 }
 569
 570 /** GTK Events **/
 571
 572 static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 573                                 void *opaque)
 574 {
 575     GtkDisplayState *s = opaque;
 576     int i;
 577
 578     if (!no_quit) {
 579         for (i = 0; i < s->nb_vcs; i++) {
 580             if (s->vc[i].type != GD_VC_GFX) {
 581                 continue;
 582             }
 583             unregister_displaychangelistener(&s->vc[i].gfx.dcl);
 584         }
 585         qmp_quit(NULL);
 586         return FALSE;
 587     }
 588
 589     return TRUE;
 590 }
 591
 592 static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
 593 {
 594     VirtualConsole *vc = opaque;
 595     GtkDisplayState *s = vc->s;
 596     int mx, my;
 597     int ww, wh;
 598     int fbw, fbh;
 599
 600     if (!gtk_widget_get_realized(widget)) {
 601         return FALSE;
 602     }
 603
 604     fbw = surface_width(vc->gfx.ds);
 605     fbh = surface_height(vc->gfx.ds);
 606
 607     gdk_drawable_get_size(gtk_widget_get_window(widget), &ww, &wh);
 608
 609     if (s->full_screen) {
 610         vc->gfx.scale_x = (double)ww / fbw;
 611         vc->gfx.scale_y = (double)wh / fbh;
 612     } else if (s->free_scale) {
 613         double sx, sy;
 614
 615         sx = (double)ww / fbw;
 616         sy = (double)wh / fbh;
 617
 618         vc->gfx.scale_x = vc->gfx.scale_y = MIN(sx, sy);
 619     }
 620
 621     fbw *= vc->gfx.scale_x;
 622     fbh *= vc->gfx.scale_y;
 623
 624     mx = my = 0;
 625     if (ww > fbw) {
 626         mx = (ww - fbw) / 2;
 627     }
 628     if (wh > fbh) {
 629         my = (wh - fbh) / 2;
 630     }
 631
 632     cairo_rectangle(cr, 0, 0, ww, wh);
 633
 634     /* Optionally cut out the inner area where the pixmap
 635        will be drawn. This avoids 'flashing' since we're
 636        not double-buffering. Note we're using the undocumented
 637        behaviour of drawing the rectangle from right to left
 638        to cut out the whole */
 639     cairo_rectangle(cr, mx + fbw, my,
 640                     -1 * fbw, fbh);
 641     cairo_fill(cr);
 642
 643     cairo_scale(cr, vc->gfx.scale_x, vc->gfx.scale_y);
 644     cairo_set_source_surface(cr, vc->gfx.surface,
 645                              mx / vc->gfx.scale_x, my / vc->gfx.scale_y);
 646     cairo_paint(cr);
 647
 648     return TRUE;
 649 }
 650
 651 #if !GTK_CHECK_VERSION(3, 0, 0)
 652 static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
 653                                 void *opaque)
 654 {
 655     cairo_t *cr;
 656     gboolean ret;
 657
 658     cr = gdk_cairo_create(gtk_widget_get_window(widget));
 659     cairo_rectangle(cr,
 660                     expose->area.x,
 661                     expose->area.y,
 662                     expose->area.width,
 663                     expose->area.height);
 664     cairo_clip(cr);
 665
 666     ret = gd_draw_event(widget, cr, opaque);
 667
 668     cairo_destroy(cr);
 669
 670     return ret;
 671 }
 672 #endif
 673
 674 static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
 675                                 void *opaque)
 676 {
 677     VirtualConsole *vc = opaque;
 678     GtkDisplayState *s = vc->s;
 679     int x, y;
 680     int mx, my;
 681     int fbh, fbw;
 682     int ww, wh;
 683
 684     fbw = surface_width(vc->gfx.ds) * vc->gfx.scale_x;
 685     fbh = surface_height(vc->gfx.ds) * vc->gfx.scale_y;
 686
 687     gdk_drawable_get_size(gtk_widget_get_window(vc->gfx.drawing_area),
 688                           &ww, &wh);
 689
 690     mx = my = 0;
 691     if (ww > fbw) {
 692         mx = (ww - fbw) / 2;
 693     }
 694     if (wh > fbh) {
 695         my = (wh - fbh) / 2;
 696     }
 697
 698     x = (motion->x - mx) / vc->gfx.scale_x;
 699     y = (motion->y - my) / vc->gfx.scale_y;
 700
 701     if (qemu_input_is_absolute()) {
 702         if (x < 0 || y < 0 ||
 703             x >= surface_width(vc->gfx.ds) ||
 704             y >= surface_height(vc->gfx.ds)) {
 705             return TRUE;
 706         }
 707         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x,
 708                              surface_width(vc->gfx.ds));
 709         qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y,
 710                              surface_height(vc->gfx.ds));
 711         qemu_input_event_sync();
 712     } else if (s->last_set && s->ptr_owner == vc) {
 713         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x);
 714         qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_Y, y - s->last_y);
 715         qemu_input_event_sync();
 716     }
 717     s->last_x = x;
 718     s->last_y = y;
 719     s->last_set = TRUE;
 720
 721     if (!qemu_input_is_absolute() && s->ptr_owner == vc) {
 722         GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area);
 723         int x = (int)motion->x_root;
 724         int y = (int)motion->y_root;
 725
 726         /* In relative mode check to see if client pointer hit
 727          * one of the screen edges, and if so move it back by
 728          * 200 pixels. This is important because the pointer
 729          * in the server doesn't correspond 1-for-1, and so
 730          * may still be only half way across the screen. Without
 731          * this warp, the server pointer would thus appear to hit
 732          * an invisible wall */
 733         if (x == 0) {
 734             x += 200;
 735         }
 736         if (y == 0) {
 737             y += 200;
 738         }
 739         if (x == (gdk_screen_get_width(screen) - 1)) {
 740             x -= 200;
 741         }
 742         if (y == (gdk_screen_get_height(screen) - 1)) {
 743             y -= 200;
 744         }
 745
 746         if (x != (int)motion->x_root || y != (int)motion->y_root) {
 747 #if GTK_CHECK_VERSION(3, 0, 0)
 748             GdkDevice *dev = gdk_event_get_device((GdkEvent *)motion);
 749             gdk_device_warp(dev, screen, x, y);
 750 #else
 751             GdkDisplay *display = gtk_widget_get_display(widget);
 752             gdk_display_warp_pointer(display, screen, x, y);
 753 #endif
 754             s->last_set = FALSE;
 755             return FALSE;
 756         }
 757     }
 758     return TRUE;
 759 }
 760
 761 static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
 762                                 void *opaque)
 763 {
 764     VirtualConsole *vc = opaque;
 765     GtkDisplayState *s = vc->s;
 766     InputButton btn;
 767
 768     /* implicitly grab the input at the first click in the relative mode */
 769     if (button->button == 1 && button->type == GDK_BUTTON_PRESS &&
 770         !qemu_input_is_absolute() && s->ptr_owner != vc) {
 771         gd_ungrab_pointer(s);
 772         if (!vc->window) {
 773             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 774                                            TRUE);
 775         } else {
 776 #if 0
 777             /* FIXME: no way (yet) to ungrab */
 778             gd_grab_pointer(vc);
 779 #endif
 780             gd_update_caption(s);
 781         }
 782         return TRUE;
 783     }
 784
 785     if (button->button == 1) {
 786         btn = INPUT_BUTTON_LEFT;
 787     } else if (button->button == 2) {
 788         btn = INPUT_BUTTON_MIDDLE;
 789     } else if (button->button == 3) {
 790         btn = INPUT_BUTTON_RIGHT;
 791     } else {
 792         return TRUE;
 793     }
 794
 795     qemu_input_queue_btn(vc->gfx.dcl.con, btn,
 796                          button->type == GDK_BUTTON_PRESS);
 797     qemu_input_event_sync();
 798     return TRUE;
 799 }
 800
 801 static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
 802                                 void *opaque)
 803 {
 804     VirtualConsole *vc = opaque;
 805     InputButton btn;
 806
 807     if (scroll->direction == GDK_SCROLL_UP) {
 808         btn = INPUT_BUTTON_WHEEL_UP;
 809     } else if (scroll->direction == GDK_SCROLL_DOWN) {
 810         btn = INPUT_BUTTON_WHEEL_DOWN;
 811     } else {
 812         return TRUE;
 813     }
 814
 815     qemu_input_queue_btn(vc->gfx.dcl.con, btn, true);
 816     qemu_input_event_sync();
 817     qemu_input_queue_btn(vc->gfx.dcl.con, btn, false);
 818     qemu_input_event_sync();
 819     return TRUE;
 820 }
 821
 822 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
 823 {
 824     VirtualConsole *vc = opaque;
 825     GtkDisplayState *s = vc->s;
 826     int gdk_keycode = key->hardware_keycode;
 827     int i;
 828
 829 #ifdef _WIN32
 830     UINT qemu_keycode = MapVirtualKey(gdk_keycode, MAPVK_VK_TO_VSC);
 831     switch (qemu_keycode) {
 832     case 103:   /* alt gr */
 833         qemu_keycode = 56 | SCANCODE_GREY;
 834         break;
 835     }
 836 #else
 837     int qemu_keycode;
 838
 839     if (gdk_keycode < 9) {
 840         qemu_keycode = 0;
 841     } else if (gdk_keycode < 97) {
 842         qemu_keycode = gdk_keycode - 8;
 843     } else if (gdk_keycode < 158) {
 844         qemu_keycode = translate_evdev_keycode(gdk_keycode - 97);
 845     } else if (gdk_keycode == 208) { /* Hiragana_Katakana */
 846         qemu_keycode = 0x70;
 847     } else if (gdk_keycode == 211) { /* backslash */
 848         qemu_keycode = 0x73;
 849     } else {
 850         qemu_keycode = 0;
 851     }
 852 #endif
 853
 854     trace_gd_key_event(vc->label, gdk_keycode, qemu_keycode,
 855                        (key->type == GDK_KEY_PRESS) ? "down" : "up");
 856
 857     for (i = 0; i < ARRAY_SIZE(modifier_keycode); i++) {
 858         if (qemu_keycode == modifier_keycode[i]) {
 859             s->modifier_pressed[i] = (key->type == GDK_KEY_PRESS);
 860         }
 861     }
 862
 863     qemu_input_event_send_key_number(vc->gfx.dcl.con, qemu_keycode,
 864                                      key->type == GDK_KEY_PRESS);
 865
 866     return TRUE;
 867 }
 868
 869 static gboolean gd_event(GtkWidget *widget, GdkEvent *event, void *opaque)
 870 {
 871     if (event->type == GDK_MOTION_NOTIFY) {
 872         return gd_motion_event(widget, &event->motion, opaque);
 873     }
 874     return FALSE;
 875 }
 876
 877 /** Window Menu Actions **/
 878
 879 static void gd_menu_pause(GtkMenuItem *item, void *opaque)
 880 {
 881     GtkDisplayState *s = opaque;
 882
 883     if (s->external_pause_update) {
 884         return;
 885     }
 886     if (runstate_is_running()) {
 887         qmp_stop(NULL);
 888     } else {
 889         qmp_cont(NULL);
 890     }
 891 }
 892
 893 static void gd_menu_reset(GtkMenuItem *item, void *opaque)
 894 {
 895     qmp_system_reset(NULL);
 896 }
 897
 898 static void gd_menu_powerdown(GtkMenuItem *item, void *opaque)
 899 {
 900     qmp_system_powerdown(NULL);
 901 }
 902
 903 static void gd_menu_quit(GtkMenuItem *item, void *opaque)
 904 {
 905     qmp_quit(NULL);
 906 }
 907
 908 static void gd_menu_switch_vc(GtkMenuItem *item, void *opaque)
 909 {
 910     GtkDisplayState *s = opaque;
 911     VirtualConsole *vc = gd_vc_find_by_menu(s);
 912     gint page;
 913
 914     gtk_release_modifiers(s);
 915     if (vc) {
 916         page = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook),
 917                                      vc->tab_item);
 918         gtk_notebook_set_current_page(GTK_NOTEBOOK(s->notebook), page);
 919     }
 920 }
 921
 922 static void gd_menu_show_tabs(GtkMenuItem *item, void *opaque)
 923 {
 924     GtkDisplayState *s = opaque;
 925
 926     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->show_tabs_item))) {
 927         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), TRUE);
 928     } else {
 929         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
 930     }
 931 }
 932
 933 static gboolean gd_tab_window_close(GtkWidget *widget, GdkEvent *event,
 934                                     void *opaque)
 935 {
 936     VirtualConsole *vc = opaque;
 937     GtkDisplayState *s = vc->s;
 938
 939     gtk_widget_set_sensitive(vc->menu_item, true);
 940     gtk_widget_reparent(vc->tab_item, s->notebook);
 941     gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(s->notebook),
 942                                     vc->tab_item, vc->label);
 943     gtk_widget_destroy(vc->window);
 944     vc->window = NULL;
 945     return TRUE;
 946 }
 947
 948 static void gd_menu_untabify(GtkMenuItem *item, void *opaque)
 949 {
 950     GtkDisplayState *s = opaque;
 951     VirtualConsole *vc = gd_vc_find_current(s);
 952
 953     if (vc->type == GD_VC_GFX) {
 954         /* temporary: needs more work to get grabs etc correct */
 955         return;
 956     }
 957     if (!vc->window) {
 958         gtk_widget_set_sensitive(vc->menu_item, false);
 959         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 960         gtk_widget_reparent(vc->tab_item, vc->window);
 961
 962         g_signal_connect(vc->window, "delete-event",
 963                          G_CALLBACK(gd_tab_window_close), vc);
 964         gtk_widget_show_all(vc->window);
 965
 966         gd_update_caption(s);
 967     }
 968 }
 969
 970 static void gd_menu_full_screen(GtkMenuItem *item, void *opaque)
 971 {
 972     GtkDisplayState *s = opaque;
 973     VirtualConsole *vc = gd_vc_find_current(s);
 974
 975     if (!s->full_screen) {
 976         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
 977         gtk_widget_set_size_request(s->menu_bar, 0, 0);
 978         if (vc->type == GD_VC_GFX) {
 979             gtk_widget_set_size_request(vc->gfx.drawing_area, -1, -1);
 980             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 981                                            TRUE);
 982         }
 983         gtk_window_fullscreen(GTK_WINDOW(s->window));
 984         s->full_screen = TRUE;
 985     } else {
 986         gtk_window_unfullscreen(GTK_WINDOW(s->window));
 987         gd_menu_show_tabs(GTK_MENU_ITEM(s->show_tabs_item), s);
 988         gtk_widget_set_size_request(s->menu_bar, -1, -1);
 989         s->full_screen = FALSE;
 990         if (vc->type == GD_VC_GFX) {
 991             vc->gfx.scale_x = 1.0;
 992             vc->gfx.scale_y = 1.0;
 993             gtk_widget_set_size_request(vc->gfx.drawing_area,
 994                                         surface_width(vc->gfx.ds),
 995                                         surface_height(vc->gfx.ds));
 996             gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
 997                                            FALSE);
 998         }
 999     }
1000
1001     gd_update_cursor(vc);
1002 }
1003
1004 static void gd_menu_zoom_in(GtkMenuItem *item, void *opaque)
1005 {
1006     GtkDisplayState *s = opaque;
1007     VirtualConsole *vc = gd_vc_find_current(s);
1008
1009     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1010                                    FALSE);
1011
1012     vc->gfx.scale_x += .25;
1013     vc->gfx.scale_y += .25;
1014
1015     gd_update_windowsize(vc);
1016 }
1017
1018 static void gd_menu_zoom_out(GtkMenuItem *item, void *opaque)
1019 {
1020     GtkDisplayState *s = opaque;
1021     VirtualConsole *vc = gd_vc_find_current(s);
1022
1023     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item),
1024                                    FALSE);
1025
1026     vc->gfx.scale_x -= .25;
1027     vc->gfx.scale_y -= .25;
1028
1029     vc->gfx.scale_x = MAX(vc->gfx.scale_x, .25);
1030     vc->gfx.scale_y = MAX(vc->gfx.scale_y, .25);
1031
1032     gd_update_windowsize(vc);
1033 }
1034
1035 static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque)
1036 {
1037     GtkDisplayState *s = opaque;
1038     VirtualConsole *vc = gd_vc_find_current(s);
1039
1040     vc->gfx.scale_x = 1.0;
1041     vc->gfx.scale_y = 1.0;
1042
1043     gd_update_windowsize(vc);
1044 }
1045
1046 static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque)
1047 {
1048     GtkDisplayState *s = opaque;
1049     VirtualConsole *vc = gd_vc_find_current(s);
1050
1051     if (gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(s->zoom_fit_item))) {
1052         s->free_scale = TRUE;
1053     } else {
1054         s->free_scale = FALSE;
1055         vc->gfx.scale_x = 1.0;
1056         vc->gfx.scale_y = 1.0;
1057         gd_update_windowsize(vc);
1058     }
1059
1060     gd_update_full_redraw(vc);
1061 }
1062
1063 static void gd_grab_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_grab(dev,
1075                             gtk_widget_get_window(vc->gfx.drawing_area),
1076                             GDK_OWNERSHIP_NONE,
1077                             FALSE,
1078                             GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
1079                             NULL,
1080                             GDK_CURRENT_TIME);
1081         }
1082         tmp = tmp->next;
1083     }
1084     g_list_free(devices);
1085 #else
1086     gdk_keyboard_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1087                       FALSE,
1088                       GDK_CURRENT_TIME);
1089 #endif
1090     vc->s->kbd_owner = vc;
1091     trace_gd_grab(vc->label, "kbd", true);
1092 }
1093
1094 static void gd_ungrab_keyboard(GtkDisplayState *s)
1095 {
1096     VirtualConsole *vc = s->kbd_owner;
1097
1098     if (vc == NULL) {
1099         return;
1100     }
1101     s->kbd_owner = NULL;
1102
1103 #if GTK_CHECK_VERSION(3, 0, 0)
1104     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1105     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1106     GList *devices = gdk_device_manager_list_devices(mgr,
1107                                                      GDK_DEVICE_TYPE_MASTER);
1108     GList *tmp = devices;
1109     while (tmp) {
1110         GdkDevice *dev = tmp->data;
1111         if (gdk_device_get_source(dev) == GDK_SOURCE_KEYBOARD) {
1112             gdk_device_ungrab(dev,
1113                               GDK_CURRENT_TIME);
1114         }
1115         tmp = tmp->next;
1116     }
1117     g_list_free(devices);
1118 #else
1119     gdk_keyboard_ungrab(GDK_CURRENT_TIME);
1120 #endif
1121     trace_gd_grab(vc->label, "kbd", false);
1122 }
1123
1124 static void gd_grab_pointer(VirtualConsole *vc)
1125 {
1126     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1127 #if GTK_CHECK_VERSION(3, 0, 0)
1128     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1129     GList *devices = gdk_device_manager_list_devices(mgr,
1130                                                      GDK_DEVICE_TYPE_MASTER);
1131     GList *tmp = devices;
1132     while (tmp) {
1133         GdkDevice *dev = tmp->data;
1134         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
1135             gdk_device_grab(dev,
1136                             gtk_widget_get_window(vc->gfx.drawing_area),
1137                             GDK_OWNERSHIP_NONE,
1138                             FALSE, /* All events to come to our
1139                                       window directly */
1140                             GDK_POINTER_MOTION_MASK |
1141                             GDK_BUTTON_PRESS_MASK |
1142                             GDK_BUTTON_RELEASE_MASK |
1143                             GDK_BUTTON_MOTION_MASK |
1144                             GDK_SCROLL_MASK,
1145                             vc->s->null_cursor,
1146                             GDK_CURRENT_TIME);
1147         }
1148         tmp = tmp->next;
1149     }
1150     g_list_free(devices);
1151     gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
1152                             NULL, &vc->s->grab_x_root, &vc->s->grab_y_root);
1153 #else
1154     gdk_pointer_grab(gtk_widget_get_window(vc->gfx.drawing_area),
1155                      FALSE, /* All events to come to our window directly */
1156                      GDK_POINTER_MOTION_MASK |
1157                      GDK_BUTTON_PRESS_MASK |
1158                      GDK_BUTTON_RELEASE_MASK |
1159                      GDK_BUTTON_MOTION_MASK |
1160                      GDK_SCROLL_MASK,
1161                      NULL, /* Allow cursor to move over entire desktop */
1162                      vc->s->null_cursor,
1163                      GDK_CURRENT_TIME);
1164     gdk_display_get_pointer(display, NULL,
1165                             &vc->s->grab_x_root, &vc->s->grab_y_root, NULL);
1166 #endif
1167     vc->s->ptr_owner = vc;
1168     trace_gd_grab(vc->label, "ptr", true);
1169 }
1170
1171 static void gd_ungrab_pointer(GtkDisplayState *s)
1172 {
1173     VirtualConsole *vc = s->ptr_owner;
1174
1175     if (vc == NULL) {
1176         return;
1177     }
1178     s->ptr_owner = NULL;
1179
1180     GdkDisplay *display = gtk_widget_get_display(vc->gfx.drawing_area);
1181 #if GTK_CHECK_VERSION(3, 0, 0)
1182     GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
1183     GList *devices = gdk_device_manager_list_devices(mgr,
1184                                                      GDK_DEVICE_TYPE_MASTER);
1185     GList *tmp = devices;
1186     while (tmp) {
1187         GdkDevice *dev = tmp->data;
1188         if (gdk_device_get_source(dev) == GDK_SOURCE_MOUSE) {
1189             gdk_device_ungrab(dev,
1190                               GDK_CURRENT_TIME);
1191         }
1192         tmp = tmp->next;
1193     }
1194     g_list_free(devices);
1195     gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
1196                     gtk_widget_get_screen(vc->gfx.drawing_area),
1197                     vc->s->grab_x_root, vc->s->grab_y_root);
1198 #else
1199     gdk_pointer_ungrab(GDK_CURRENT_TIME);
1200     gdk_display_warp_pointer(display,
1201                              gtk_widget_get_screen(vc->gfx.drawing_area),
1202                              vc->s->grab_x_root, vc->s->grab_y_root);
1203 #endif
1204     trace_gd_grab(vc->label, "ptr", false);
1205 }
1206
1207 static void gd_menu_grab_input(GtkMenuItem *item, void *opaque)
1208 {
1209     GtkDisplayState *s = opaque;
1210     VirtualConsole *vc = gd_vc_find_current(s);
1211
1212     if (gd_is_grab_active(s)) {
1213         if (!gd_grab_on_hover(s)) {
1214             gd_grab_keyboard(vc);
1215         }
1216         gd_grab_pointer(vc);
1217     } else {
1218         gd_ungrab_keyboard(s);
1219         gd_ungrab_pointer(s);
1220     }
1221
1222     gd_update_caption(s);
1223     gd_update_cursor(vc);
1224 }
1225
1226 static void gd_change_page(GtkNotebook *nb, gpointer arg1, guint arg2,
1227                            gpointer data)
1228 {
1229     GtkDisplayState *s = data;
1230     VirtualConsole *vc;
1231     gboolean on_vga;
1232
1233     if (!gtk_widget_get_realized(s->notebook)) {
1234         return;
1235     }
1236
1237     vc = gd_vc_find_by_page(s, arg2);
1238     if (!vc) {
1239         return;
1240     }
1241     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(vc->menu_item),
1242                                    TRUE);
1243     on_vga = (vc->type == GD_VC_GFX);
1244     if (!on_vga) {
1245         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1246                                        FALSE);
1247     } else if (s->full_screen) {
1248         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item),
1249                                        TRUE);
1250     }
1251     gtk_widget_set_sensitive(s->grab_item, on_vga);
1252
1253     gd_update_cursor(vc);
1254 }
1255
1256 static gboolean gd_enter_event(GtkWidget *widget, GdkEventCrossing *crossing,
1257                                gpointer opaque)
1258 {
1259     VirtualConsole *vc = opaque;
1260     GtkDisplayState *s = vc->s;
1261
1262     if (gd_grab_on_hover(s)) {
1263         gd_ungrab_keyboard(s);
1264         gd_grab_keyboard(vc);
1265         gd_update_caption(s);
1266     }
1267     return TRUE;
1268 }
1269
1270 static gboolean gd_leave_event(GtkWidget *widget, GdkEventCrossing *crossing,
1271                                gpointer opaque)
1272 {
1273     VirtualConsole *vc = opaque;
1274     GtkDisplayState *s = vc->s;
1275
1276     if (gd_grab_on_hover(s)) {
1277         gd_ungrab_keyboard(s);
1278         gd_update_caption(s);
1279     }
1280     return TRUE;
1281 }
1282
1283 static gboolean gd_focus_out_event(GtkWidget *widget,
1284                                    GdkEventCrossing *crossing, gpointer opaque)
1285 {
1286     VirtualConsole *vc = opaque;
1287     GtkDisplayState *s = vc->s;
1288
1289     gtk_release_modifiers(s);
1290     return TRUE;
1291 }
1292
1293 /** Virtual Console Callbacks **/
1294
1295 static GSList *gd_vc_menu_init(GtkDisplayState *s, VirtualConsole *vc,
1296                                int idx, GSList *group, GtkWidget *view_menu)
1297 {
1298     char path[32];
1299
1300     snprintf(path, sizeof(path), "<QEMU>/View/VC%d", idx);
1301
1302     vc->menu_item = gtk_radio_menu_item_new_with_mnemonic(group, vc->label);
1303     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
1304     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(vc->menu_item), path);
1305     gtk_accel_map_add_entry(path, GDK_KEY_1 + idx, HOTKEY_MODIFIERS);
1306
1307     g_signal_connect(vc->menu_item, "activate",
1308                      G_CALLBACK(gd_menu_switch_vc), s);
1309     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
1310
1311     return group;
1312 }
1313
1314 #if defined(CONFIG_VTE)
1315 static void gd_vc_adjustment_changed(GtkAdjustment *adjustment, void *opaque)
1316 {
1317     VirtualConsole *vc = opaque;
1318
1319     if (gtk_adjustment_get_upper(adjustment) >
1320         gtk_adjustment_get_page_size(adjustment)) {
1321         gtk_widget_show(vc->vte.scrollbar);
1322     } else {
1323         gtk_widget_hide(vc->vte.scrollbar);
1324     }
1325 }
1326
1327 static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1328 {
1329     VirtualConsole *vc = chr->opaque;
1330
1331     vte_terminal_feed(VTE_TERMINAL(vc->vte.terminal), (const char *)buf, len);
1332     return len;
1333 }
1334
1335 static int nb_vcs;
1336 static CharDriverState *vcs[MAX_VCS];
1337
1338 static CharDriverState *gd_vc_handler(ChardevVC *unused)
1339 {
1340     CharDriverState *chr;
1341
1342     chr = g_malloc0(sizeof(*chr));
1343     chr->chr_write = gd_vc_chr_write;
1344     /* defer OPENED events until our vc is fully initialized */
1345     chr->explicit_be_open = true;
1346
1347     vcs[nb_vcs++] = chr;
1348
1349     return chr;
1350 }
1351
1352 static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
1353                          gpointer user_data)
1354 {
1355     VirtualConsole *vc = user_data;
1356
1357     qemu_chr_be_write(vc->vte.chr, (uint8_t  *)text, (unsigned int)size);
1358     return TRUE;
1359 }
1360
1361 static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
1362                               CharDriverState *chr, int idx,
1363                               GSList *group, GtkWidget *view_menu)
1364 {
1365     char buffer[32];
1366     GtkWidget *box;
1367     GtkWidget *scrollbar;
1368     GtkAdjustment *vadjustment;
1369
1370     vc->s = s;
1371     vc->vte.chr = chr;
1372
1373     snprintf(buffer, sizeof(buffer), "vc%d", idx);
1374     vc->label = g_strdup_printf("%s", vc->vte.chr->label
1375                                 ? vc->vte.chr->label : buffer);
1376     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1377
1378     vc->vte.terminal = vte_terminal_new();
1379     g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
1380
1381     vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
1382     vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal), 80, 25);
1383
1384 #if VTE_CHECK_VERSION(0, 28, 0) && GTK_CHECK_VERSION(3, 0, 0)
1385     vadjustment = gtk_scrollable_get_vadjustment
1386         (GTK_SCROLLABLE(vc->vte.terminal));
1387 #else
1388     vadjustment = vte_terminal_get_adjustment(VTE_TERMINAL(vc->vte.terminal));
1389 #endif
1390
1391 #if GTK_CHECK_VERSION(3, 0, 0)
1392     box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
1393     scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, vadjustment);
1394 #else
1395     box = gtk_hbox_new(false, 2);
1396     scrollbar = gtk_vscrollbar_new(vadjustment);
1397 #endif
1398
1399     gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
1400     gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
1401
1402     vc->vte.chr->opaque = vc;
1403     vc->vte.box = box;
1404     vc->vte.scrollbar = scrollbar;
1405
1406     g_signal_connect(vadjustment, "changed",
1407                      G_CALLBACK(gd_vc_adjustment_changed), vc);
1408
1409     vc->type = GD_VC_VTE;
1410     vc->tab_item = box;
1411     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item,
1412                              gtk_label_new(vc->label));
1413
1414     qemu_chr_be_generic_open(vc->vte.chr);
1415     if (vc->vte.chr->init) {
1416         vc->vte.chr->init(vc->vte.chr);
1417     }
1418
1419     return group;
1420 }
1421
1422 static void gd_vcs_init(GtkDisplayState *s, GSList *group,
1423                         GtkWidget *view_menu)
1424 {
1425     int i;
1426
1427     for (i = 0; i < nb_vcs; i++) {
1428         VirtualConsole *vc = &s->vc[s->nb_vcs];
1429         group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
1430         s->nb_vcs++;
1431     }
1432 }
1433 #endif /* CONFIG_VTE */
1434
1435 /** Window Creation **/
1436
1437 static void gd_connect_vc_gfx_signals(VirtualConsole *vc)
1438 {
1439 #if GTK_CHECK_VERSION(3, 0, 0)
1440     g_signal_connect(vc->gfx.drawing_area, "draw",
1441                      G_CALLBACK(gd_draw_event), vc);
1442 #else
1443     g_signal_connect(vc->gfx.drawing_area, "expose-event",
1444                      G_CALLBACK(gd_expose_event), vc);
1445 #endif
1446     g_signal_connect(vc->gfx.drawing_area, "event",
1447                      G_CALLBACK(gd_event), vc);
1448     g_signal_connect(vc->gfx.drawing_area, "button-press-event",
1449                      G_CALLBACK(gd_button_event), vc);
1450     g_signal_connect(vc->gfx.drawing_area, "button-release-event",
1451                      G_CALLBACK(gd_button_event), vc);
1452     g_signal_connect(vc->gfx.drawing_area, "scroll-event",
1453                      G_CALLBACK(gd_scroll_event), vc);
1454     g_signal_connect(vc->gfx.drawing_area, "key-press-event",
1455                      G_CALLBACK(gd_key_event), vc);
1456     g_signal_connect(vc->gfx.drawing_area, "key-release-event",
1457                      G_CALLBACK(gd_key_event), vc);
1458
1459     g_signal_connect(vc->gfx.drawing_area, "enter-notify-event",
1460                      G_CALLBACK(gd_enter_event), vc);
1461     g_signal_connect(vc->gfx.drawing_area, "leave-notify-event",
1462                      G_CALLBACK(gd_leave_event), vc);
1463     g_signal_connect(vc->gfx.drawing_area, "focus-out-event",
1464                      G_CALLBACK(gd_focus_out_event), vc);
1465 }
1466
1467 static void gd_connect_signals(GtkDisplayState *s)
1468 {
1469     g_signal_connect(s->show_tabs_item, "activate",
1470                      G_CALLBACK(gd_menu_show_tabs), s);
1471     g_signal_connect(s->untabify_item, "activate",
1472                      G_CALLBACK(gd_menu_untabify), s);
1473
1474     g_signal_connect(s->window, "delete-event",
1475                      G_CALLBACK(gd_window_close), s);
1476
1477     g_signal_connect(s->pause_item, "activate",
1478                      G_CALLBACK(gd_menu_pause), s);
1479     g_signal_connect(s->reset_item, "activate",
1480                      G_CALLBACK(gd_menu_reset), s);
1481     g_signal_connect(s->powerdown_item, "activate",
1482                      G_CALLBACK(gd_menu_powerdown), s);
1483     g_signal_connect(s->quit_item, "activate",
1484                      G_CALLBACK(gd_menu_quit), s);
1485     g_signal_connect(s->full_screen_item, "activate",
1486                      G_CALLBACK(gd_menu_full_screen), s);
1487     g_signal_connect(s->zoom_in_item, "activate",
1488                      G_CALLBACK(gd_menu_zoom_in), s);
1489     g_signal_connect(s->zoom_out_item, "activate",
1490                      G_CALLBACK(gd_menu_zoom_out), s);
1491     g_signal_connect(s->zoom_fixed_item, "activate",
1492                      G_CALLBACK(gd_menu_zoom_fixed), s);
1493     g_signal_connect(s->zoom_fit_item, "activate",
1494                      G_CALLBACK(gd_menu_zoom_fit), s);
1495     g_signal_connect(s->grab_item, "activate",
1496                      G_CALLBACK(gd_menu_grab_input), s);
1497     g_signal_connect(s->notebook, "switch-page",
1498                      G_CALLBACK(gd_change_page), s);
1499 }
1500
1501 static GtkWidget *gd_create_menu_machine(GtkDisplayState *s, GtkAccelGroup *accel_group)
1502 {
1503     GtkWidget *machine_menu;
1504     GtkWidget *separator;
1505
1506     machine_menu = gtk_menu_new();
1507     gtk_menu_set_accel_group(GTK_MENU(machine_menu), accel_group);
1508
1509     s->pause_item = gtk_check_menu_item_new_with_mnemonic(_("_Pause"));
1510     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->pause_item);
1511
1512     separator = gtk_separator_menu_item_new();
1513     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1514
1515     s->reset_item = gtk_menu_item_new_with_mnemonic(_("_Reset"));
1516     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->reset_item);
1517
1518     s->powerdown_item = gtk_menu_item_new_with_mnemonic(_("Power _Down"));
1519     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->powerdown_item);
1520
1521     separator = gtk_separator_menu_item_new();
1522     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), separator);
1523
1524     s->quit_item = gtk_menu_item_new_with_mnemonic(_("_Quit"));
1525     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->quit_item),
1526                                  "<QEMU>/Machine/Quit");
1527     gtk_accel_map_add_entry("<QEMU>/Machine/Quit",
1528                             GDK_KEY_q, HOTKEY_MODIFIERS);
1529     gtk_menu_shell_append(GTK_MENU_SHELL(machine_menu), s->quit_item);
1530
1531     return machine_menu;
1532 }
1533
1534 static const DisplayChangeListenerOps dcl_ops = {
1535     .dpy_name          = "gtk",
1536     .dpy_gfx_update    = gd_update,
1537     .dpy_gfx_switch    = gd_switch,
1538     .dpy_refresh       = gd_refresh,
1539     .dpy_mouse_set     = gd_mouse_set,
1540     .dpy_cursor_define = gd_cursor_define,
1541 };
1542
1543 static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc,
1544                               QemuConsole *con, int idx,
1545                               GSList *group, GtkWidget *view_menu)
1546 {
1547     Error *local_err = NULL;
1548     Object *obj;
1549
1550     obj = object_property_get_link(OBJECT(con), "device", &local_err);
1551     if (obj) {
1552         vc->label = g_strdup_printf("%s", object_get_typename(obj));
1553     } else {
1554         vc->label = g_strdup_printf("VGA");
1555     }
1556
1557     vc->s = s;
1558     vc->gfx.scale_x = 1.0;
1559     vc->gfx.scale_y = 1.0;
1560
1561     vc->gfx.drawing_area = gtk_drawing_area_new();
1562     gtk_widget_add_events(vc->gfx.drawing_area,
1563                           GDK_POINTER_MOTION_MASK |
1564                           GDK_BUTTON_PRESS_MASK |
1565                           GDK_BUTTON_RELEASE_MASK |
1566                           GDK_BUTTON_MOTION_MASK |
1567                           GDK_ENTER_NOTIFY_MASK |
1568                           GDK_LEAVE_NOTIFY_MASK |
1569                           GDK_SCROLL_MASK |
1570                           GDK_KEY_PRESS_MASK);
1571     gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE);
1572     gtk_widget_set_can_focus(vc->gfx.drawing_area, TRUE);
1573
1574     vc->type = GD_VC_GFX;
1575     vc->tab_item = vc->gfx.drawing_area;
1576     gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook),
1577                              vc->tab_item, gtk_label_new(vc->label));
1578     gd_connect_vc_gfx_signals(vc);
1579
1580     group = gd_vc_menu_init(s, vc, idx, group, view_menu);
1581
1582     vc->gfx.dcl.ops = &dcl_ops;
1583     vc->gfx.dcl.con = con;
1584     register_displaychangelistener(&vc->gfx.dcl);
1585
1586     return group;
1587 }
1588
1589 static GtkWidget *gd_create_menu_view(GtkDisplayState *s, GtkAccelGroup *accel_group)
1590 {
1591     GSList *group = NULL;
1592     GtkWidget *view_menu;
1593     GtkWidget *separator;
1594     QemuConsole *con;
1595     int vc;
1596
1597     view_menu = gtk_menu_new();
1598     gtk_menu_set_accel_group(GTK_MENU(view_menu), accel_group);
1599
1600     s->full_screen_item = gtk_menu_item_new_with_mnemonic(_("_Fullscreen"));
1601     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->full_screen_item),
1602                                  "<QEMU>/View/Full Screen");
1603     gtk_accel_map_add_entry("<QEMU>/View/Full Screen", GDK_KEY_f,
1604                             HOTKEY_MODIFIERS);
1605     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->full_screen_item);
1606
1607     separator = gtk_separator_menu_item_new();
1608     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1609
1610     s->zoom_in_item = gtk_menu_item_new_with_mnemonic(_("Zoom _In"));
1611     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_in_item),
1612                                  "<QEMU>/View/Zoom In");
1613     gtk_accel_map_add_entry("<QEMU>/View/Zoom In", GDK_KEY_plus,
1614                             HOTKEY_MODIFIERS);
1615     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_in_item);
1616
1617     s->zoom_out_item = gtk_menu_item_new_with_mnemonic(_("Zoom _Out"));
1618     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_out_item),
1619                                  "<QEMU>/View/Zoom Out");
1620     gtk_accel_map_add_entry("<QEMU>/View/Zoom Out", GDK_KEY_minus,
1621                             HOTKEY_MODIFIERS);
1622     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_out_item);
1623
1624     s->zoom_fixed_item = gtk_menu_item_new_with_mnemonic(_("Best _Fit"));
1625     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->zoom_fixed_item),
1626                                  "<QEMU>/View/Zoom Fixed");
1627     gtk_accel_map_add_entry("<QEMU>/View/Zoom Fixed", GDK_KEY_0,
1628                             HOTKEY_MODIFIERS);
1629     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fixed_item);
1630
1631     s->zoom_fit_item = gtk_check_menu_item_new_with_mnemonic(_("Zoom To _Fit"));
1632     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->zoom_fit_item);
1633
1634     separator = gtk_separator_menu_item_new();
1635     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1636
1637     s->grab_on_hover_item = gtk_check_menu_item_new_with_mnemonic(_("Grab On _Hover"));
1638     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_on_hover_item);
1639
1640     s->grab_item = gtk_check_menu_item_new_with_mnemonic(_("_Grab Input"));
1641     gtk_menu_item_set_accel_path(GTK_MENU_ITEM(s->grab_item),
1642                                  "<QEMU>/View/Grab Input");
1643     gtk_accel_map_add_entry("<QEMU>/View/Grab Input", GDK_KEY_g,
1644                             HOTKEY_MODIFIERS);
1645     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->grab_item);
1646
1647     separator = gtk_separator_menu_item_new();
1648     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1649
1650     /* gfx */
1651     for (vc = 0;; vc++) {
1652         con = qemu_console_lookup_by_index(vc);
1653         if (!con || !qemu_console_is_graphic(con)) {
1654             break;
1655         }
1656         group = gd_vc_gfx_init(s, &s->vc[vc], con,
1657                                vc, group, view_menu);
1658         s->nb_vcs++;
1659     }
1660
1661 #if defined(CONFIG_VTE)
1662     /* vte */
1663     gd_vcs_init(s, group, view_menu);
1664 #endif
1665
1666     separator = gtk_separator_menu_item_new();
1667     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), separator);
1668
1669     s->show_tabs_item = gtk_check_menu_item_new_with_mnemonic(_("Show _Tabs"));
1670     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->show_tabs_item);
1671
1672     s->untabify_item = gtk_menu_item_new_with_mnemonic(_("Detach Tab"));
1673     gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), s->untabify_item);
1674
1675     return view_menu;
1676 }
1677
1678 static void gd_create_menus(GtkDisplayState *s)
1679 {
1680     GtkAccelGroup *accel_group;
1681
1682     accel_group = gtk_accel_group_new();
1683     s->machine_menu = gd_create_menu_machine(s, accel_group);
1684     s->view_menu = gd_create_menu_view(s, accel_group);
1685
1686     s->machine_menu_item = gtk_menu_item_new_with_mnemonic(_("_Machine"));
1687     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->machine_menu_item),
1688                               s->machine_menu);
1689     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->machine_menu_item);
1690
1691     s->view_menu_item = gtk_menu_item_new_with_mnemonic(_("_View"));
1692     gtk_menu_item_set_submenu(GTK_MENU_ITEM(s->view_menu_item), s->view_menu);
1693     gtk_menu_shell_append(GTK_MENU_SHELL(s->menu_bar), s->view_menu_item);
1694
1695     g_object_set_data(G_OBJECT(s->window), "accel_group", accel_group);
1696     gtk_window_add_accel_group(GTK_WINDOW(s->window), accel_group);
1697     s->accel_group = accel_group;
1698 }
1699
1700 void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
1701 {
1702     GtkDisplayState *s = g_malloc0(sizeof(*s));
1703     char *filename;
1704
1705     gtk_init(NULL, NULL);
1706
1707     s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1708 #if GTK_CHECK_VERSION(3, 2, 0)
1709     s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1710 #else
1711     s->vbox = gtk_vbox_new(FALSE, 0);
1712 #endif
1713     s->notebook = gtk_notebook_new();
1714     s->menu_bar = gtk_menu_bar_new();
1715
1716     s->free_scale = FALSE;
1717
1718     setlocale(LC_ALL, "");
1719     bindtextdomain("qemu", CONFIG_QEMU_LOCALEDIR);
1720     textdomain("qemu");
1721
1722     s->null_cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
1723
1724     s->mouse_mode_notifier.notify = gd_mouse_mode_change;
1725     qemu_add_mouse_mode_change_notifier(&s->mouse_mode_notifier);
1726     qemu_add_vm_change_state_handler(gd_change_runstate, s);
1727
1728     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu_logo_no_text.svg");
1729     if (filename) {
1730         GError *error = NULL;
1731         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
1732         if (pixbuf) {
1733             gtk_window_set_icon(GTK_WINDOW(s->window), pixbuf);
1734         } else {
1735             g_error_free(error);
1736         }
1737         g_free(filename);
1738     }
1739
1740     gd_create_menus(s);
1741
1742     gd_connect_signals(s);
1743
1744     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE);
1745     gtk_notebook_set_show_border(GTK_NOTEBOOK(s->notebook), FALSE);
1746
1747     gd_update_caption(s);
1748
1749     gtk_box_pack_start(GTK_BOX(s->vbox), s->menu_bar, FALSE, TRUE, 0);
1750     gtk_box_pack_start(GTK_BOX(s->vbox), s->notebook, TRUE, TRUE, 0);
1751
1752     gtk_container_add(GTK_CONTAINER(s->window), s->vbox);
1753
1754     gtk_widget_show_all(s->window);
1755
1756     if (full_screen) {
1757         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
1758     }
1759     if (grab_on_hover) {
1760         gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
1761     }
1762
1763     global_state = s;
1764 }
1765
1766 void early_gtk_display_init(void)
1767 {
1768 #if defined(CONFIG_VTE)
1769     register_vc_handler(gd_vc_handler);
1770 #endif
1771 }