src/window-gtk.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * window-gtk.cpp: MoonWindow implementation using gtk widgets.
   4  *
   5  * Contact:
   6  *   Moonlight List (moonlight-list@lists.ximian.com)
   7  *
   8  * Copyright 2007-2008 Novell, Inc. (http://www.novell.com)
   9  *
  10  * See the LICENSE file included with the distribution for details.
  11  *
  12  */
  13
  14 #include "window-gtk.h"
  15 #include "deployment.h"
  16 #include "timemanager.h"
  17
  18 MoonWindowGtk::MoonWindowGtk (bool fullscreen, int w, int h, MoonWindow *parent, Surface *surface)
  19         : MoonWindow (w, h, surface)
  20 {
  21         this->fullscreen = fullscreen;
  22
  23         if (fullscreen)
  24                 InitializeFullScreen(parent);
  25         else
  26                 InitializeNormal();
  27 }
  28
  29 MoonWindowGtk::~MoonWindowGtk ()
  30 {
  31         /* gtk_widget_destroy can cause reentry (into another plugin if this destruction causes layout changes) */
  32         DeploymentStack deployment_push_pop;
  33         DisableEvents ();
  34         if (widget != NULL)
  35                 gtk_widget_destroy (widget);
  36 }
  37
  38 GdkWindow *
  39 MoonWindowGtk::GetGdkWindow ()
  40 {
  41         GdkWindow *parent_window = gtk_widget_get_parent_window (widget);
  42         if (parent_window == NULL)
  43                 parent_window = widget->window;
  44
  45         g_object_ref (parent_window);
  46         return parent_window;
  47 }
  48
  49 void
  50 MoonWindowGtk::InitializeFullScreen (MoonWindow *parent)
  51 {
  52         widget = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  53
  54         // only fullscreen on the monitor the plugin is on
  55         GdkWindow *gdk = parent->GetGdkWindow ();
  56         int monitor = gdk_screen_get_monitor_at_window (gdk_screen_get_default (), gdk);
  57         GdkRectangle bounds;
  58         gdk_screen_get_monitor_geometry (gdk_screen_get_default (), monitor, &bounds);
  59         width = bounds.width;
  60         height = bounds.height;
  61         gtk_window_move (GTK_WINDOW (widget), bounds.x, bounds.y);
  62
  63         gtk_window_fullscreen (GTK_WINDOW (widget));
  64
  65         InitializeCommon ();
  66
  67         Show();
  68
  69         g_object_unref (gdk);
  70 }
  71
  72 void
  73 MoonWindowGtk::InitializeNormal ()
  74 {
  75         if (width == -1 || height == -1) {
  76                 g_warning ("you must specify width and height when creating a non-fullscreen gtk window");
  77                 width = 0;
  78                 height = 0;
  79         }
  80
  81         widget = gtk_event_box_new ();
  82
  83         gtk_event_box_set_visible_window (GTK_EVENT_BOX (widget), false);
  84
  85         InitializeCommon ();
  86
  87         Show ();
  88 }
  89
  90 void
  91 MoonWindowGtk::InitializeCommon ()
  92 {
  93         // don't let gtk clear the window we'll do all the drawing.
  94         //gtk_widget_set_app_paintable (widget, true);
  95         gtk_widget_set_double_buffered (widget, false);
  96         gtk_widget_set_size_request (widget, width, height);
  97
  98         g_signal_connect (widget, "size-allocate", G_CALLBACK (widget_size_allocate), this);
  99         g_signal_connect (widget, "destroy", G_CALLBACK (widget_destroyed), this);
 100
 101         gtk_widget_add_events (widget,
 102                                GDK_POINTER_MOTION_MASK |
 103                                //GDK_POINTER_MOTION_HINT_MASK |
 104                                GDK_KEY_PRESS_MASK |
 105                                GDK_KEY_RELEASE_MASK |
 106                                GDK_BUTTON_PRESS_MASK |
 107                                GDK_BUTTON_RELEASE_MASK |
 108                                ((moonlight_flags & RUNTIME_INIT_DESKTOP_EXTENSIONS) != 0 ? GDK_SCROLL_MASK : 0) |
 109                                GDK_FOCUS_CHANGE_MASK);
 110
 111         GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS);
 112 }
 113
 114 void
 115 MoonWindowGtk::Resize (int width, int height)
 116 {
 117         gtk_widget_set_size_request (widget, width, height);
 118         gtk_widget_queue_resize (widget);
 119 }
 120
 121 /* XPM */
 122 static const char *dot[] = {
 123         "18 18 4 1",
 124         "       c None",
 125         ".      c #808080",
 126         "+      c #303030",
 127         "@      c #000000",
 128         ".+.               ",
 129         "@@@               ",
 130         ".@.               ",
 131         "                  ",
 132         "                  ",
 133         "                  ",
 134         "                  ",
 135         "                  ",
 136         "                  ",
 137         "                  ",
 138         "                  ",
 139         "                  ",
 140         "                  ",
 141         "                  ",
 142         "                  ",
 143         "                  ",
 144         "                  ",
 145         "                  "
 146 };
 147
 148 /* XPM */
 149 static const char *eraser[] = {
 150         "20 20 49 1",
 151         "       c None",
 152         ".      c #000000",
 153         "+      c #858585",
 154         "@      c #E8E8E8",
 155         "#      c #E9E9E9",
 156         "$      c #E7E7E7",
 157         "%      c #E2E2E2",
 158         "&      c #D6D6D6",
 159         "*      c #7D7D7D",
 160         "=      c #565656",
 161         "-      c #E1E1E1",
 162         ";      c #E0E0E0",
 163         ">      c #DEDEDE",
 164         ",      c #DFDFDF",
 165         "'      c #474747",
 166         ")      c #6C6C6C",
 167         "!      c #B0B0B0",
 168         "~      c #E3E3E3",
 169         "{      c #4E4E4E",
 170         "]      c #636363",
 171         "^      c #E6E6E6",
 172         "/      c #505050",
 173         "(      c #4A4A4A",
 174         "_      c #C7C7C7",
 175         ":      c #272727",
 176         "<      c #797979",
 177         "[      c #E5E5E5",
 178         "}      c #DDDDDD",
 179         "|      c #9C9C9C",
 180         "1      c #232323",
 181         "2      c #E4E4E4",
 182         "3      c #656565",
 183         "4      c #313131",
 184         "5      c #EAEAEA",
 185         "6      c #ECECEC",
 186         "7      c #EEEEEE",
 187         "8      c #EFEFEF",
 188         "9      c #F0F0F0",
 189         "0      c #999999",
 190         "a      c #5D5D5D",
 191         "b      c #343434",
 192         "c      c #757575",
 193         "d      c #383838",
 194         "e      c #CECECE",
 195         "f      c #A9A9A9",
 196         "g      c #6F6F6F",
 197         "h      c #B3B3B3",
 198         "i      c #787878",
 199         "j      c #3F3F3F",
 200         "                    ",
 201         "                    ",
 202         "                    ",
 203         "                    ",
 204         "                    ",
 205         "                    ",
 206         "       ...........  ",
 207         "      .+@#@@@$$%&*. ",
 208         "      =-;%>>>>>>>,' ",
 209         "     )!~>>>>>>>>>>{ ",
 210         "     ]^>>>>>>>>>,,/ ",
 211         "    (_;>>>>>>>>,>&: ",
 212         "    <[,}>>>>>>>-,|  ",
 213         "   1[-;>>>>>>>$2,3  ",
 214         "   45678999998550a  ",
 215         "   b~,,,,,,,,,;$c   ",
 216         "   de-,,,,,,,,,fg   ",
 217         "   bh%%,,;}}}>>ij   ",
 218         "    ............    ",
 219         "                    "
 220 };
 221
 222 void
 223 MoonWindowGtk::SetBackgroundColor (Color *color)
 224 {
 225         GdkColor gdk_color;
 226         gdk_color.red = color->r * 0xffff;
 227         gdk_color.green = color->g * 0xffff;
 228         gdk_color.blue = color->b * 0xffff;
 229
 230         gtk_widget_modify_bg (widget, GTK_STATE_NORMAL, &gdk_color);
 231
 232         MoonWindow::SetBackgroundColor (color);
 233 }
 234
 235 void
 236 MoonWindowGtk::SetCursor (MouseCursor cursor)
 237 {
 238         if (widget->window) {
 239
 240                 GdkCursor *c = NULL;
 241                 switch (cursor) {
 242                 case MouseCursorDefault:
 243                         c = NULL;
 244                         break;
 245                 case MouseCursorArrow:
 246                         c = gdk_cursor_new (GDK_LEFT_PTR);
 247                         break;
 248                 case MouseCursorHand:
 249                         c = gdk_cursor_new (GDK_HAND2);
 250                         break;
 251                 case MouseCursorWait:
 252                         c = gdk_cursor_new (GDK_WATCH);
 253                         break;
 254                 case MouseCursorIBeam:
 255                         c = gdk_cursor_new (GDK_XTERM);
 256                         break;
 257                 case MouseCursorStylus:
 258                         c = gdk_cursor_new_from_pixbuf (gdk_display_get_default (), gdk_pixbuf_new_from_xpm_data ((const char**) dot), 0, 0);
 259                         break;
 260                 case MouseCursorEraser:
 261                         c = gdk_cursor_new_from_pixbuf (gdk_display_get_default (), gdk_pixbuf_new_from_xpm_data ((const char**) eraser), 8, 8);
 262                         break;
 263                 case MouseCursorSizeNS:
 264                         c = gdk_cursor_new (GDK_SB_V_DOUBLE_ARROW);
 265                         break;
 266                 case MouseCursorSizeWE:
 267                         c = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
 268                         break;
 269                 case MouseCursorNone:
 270                         // Silverlight display no cursor if the enumeration value is invalid (e.g. -1)
 271                 default:
 272                         //from gdk-cursor doc :"To make the cursor invisible, use gdk_cursor_new_from_pixmap() to create a cursor with no pixels in it."
 273                         GdkPixmap *empty = gdk_bitmap_create_from_data (NULL, "0x00", 1, 1);
 274                         GdkColor empty_color = {0, 0, 0, 0};
 275                         c = gdk_cursor_new_from_pixmap (empty, empty, &empty_color, &empty_color, 0, 0);
 276                         g_object_unref (empty);
 277                         break;
 278                 }
 279
 280
 281                 gdk_window_set_cursor (widget->window, c);
 282
 283                 if (c)
 284                         gdk_cursor_unref (c);
 285         }
 286 }
 287
 288 void
 289 MoonWindowGtk::Invalidate (Rect r)
 290 {
 291         gtk_widget_queue_draw_area (widget,
 292                                     (int) (widget->allocation.x + r.x),
 293                                     (int) (widget->allocation.y + r.y),
 294                                     (int) r.width, (int)r.height);
 295 }
 296
 297 void
 298 MoonWindowGtk::ProcessUpdates ()
 299 {
 300         if (widget->window)
 301                 gdk_window_process_updates (widget->window, false);
 302 }
 303
 304 gboolean
 305 MoonWindowGtk::HandleEvent (XEvent *event)
 306 {
 307         // nothing to do here, since we don't pump events into the gtk
 308         // window, gtk calls our signal handlers directly.
 309         return TRUE;
 310 }
 311
 312 void
 313 MoonWindowGtk::Show ()
 314 {
 315         gtk_widget_show (widget);
 316
 317         // The window has to be realized for this call to work
 318         gtk_widget_set_extension_events (widget, GDK_EXTENSION_EVENTS_CURSOR);
 319         /* we need to explicitly enable the devices */
 320         for (GList *l = gdk_devices_list(); l; l = l->next) {
 321 #if THIS_NOLONGER_BREAKS_LARRYS_MOUSE
 322                 GdkDevice *device = GDK_DEVICE(l->data);
 323                 //if (!device->has_cursor)
 324                 gdk_device_set_mode (device, GDK_MODE_SCREEN);
 325 #endif
 326         }
 327
 328         GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS);
 329 }
 330
 331 void
 332 MoonWindowGtk::Hide ()
 333 {
 334         gtk_widget_hide (widget);
 335 }
 336
 337 void
 338 MoonWindowGtk::EnableEvents (bool first)
 339 {
 340         g_signal_connect (widget, "expose-event", G_CALLBACK (expose_event), this);
 341         g_signal_connect (widget, "motion-notify-event", G_CALLBACK (motion_notify), this);
 342         g_signal_connect (widget, "enter-notify-event", G_CALLBACK (crossing_notify), this);
 343         g_signal_connect (widget, "leave-notify-event", G_CALLBACK (crossing_notify), this);
 344         g_signal_connect (widget, "key-press-event", G_CALLBACK (key_press), this);
 345         g_signal_connect (widget, "key-release-event", G_CALLBACK (key_release), this);
 346         g_signal_connect (widget, "button-press-event", G_CALLBACK (button_press), this);
 347         g_signal_connect (widget, "button-release-event", G_CALLBACK (button_release), this);
 348         g_signal_connect (widget, "scroll-event", G_CALLBACK (scroll), this);
 349         g_signal_connect (widget, "focus-in-event", G_CALLBACK (focus_in), this);
 350         g_signal_connect (widget, "focus-out-event", G_CALLBACK (focus_out), this);
 351
 352         if (first) {
 353                 g_signal_connect (widget, "realize", G_CALLBACK (realized), this);
 354                 g_signal_connect (widget, "unrealize", G_CALLBACK (unrealized), this);
 355
 356                 if (GTK_WIDGET_REALIZED (widget))
 357                         realized (widget, this);
 358         }
 359 }
 360
 361 void
 362 MoonWindowGtk::DisableEvents ()
 363 {
 364         g_signal_handlers_disconnect_matched (widget, G_SIGNAL_MATCH_DATA,
 365                                               0, 0, NULL, NULL, this);
 366 }
 367
 368 void
 369 MoonWindowGtk::GrabFocus ()
 370 {
 371         gtk_widget_grab_focus (widget);
 372 }
 373
 374 bool
 375 MoonWindowGtk::HasFocus ()
 376 {
 377         return GTK_WIDGET_HAS_FOCUS (widget);
 378 }
 379
 380 gboolean
 381 MoonWindowGtk::expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer data)
 382 {
 383         MoonWindowGtk *window = (MoonWindowGtk*)data;
 384
 385         window->SetCurrentDeployment ();
 386
 387         if (!window->surface)
 388                 return true;
 389
 390         // we draw to a backbuffer pixmap, then transfer the contents
 391         // to the widget's window.
 392         GdkPixmap *pixmap = gdk_pixmap_new (widget->window,
 393                                             MAX (event->area.width, 1), MAX (event->area.height, 1), -1);
 394
 395         window->surface->PaintToDrawable (pixmap,
 396                                           gdk_drawable_get_visual (widget->window),
 397                                           event,
 398                                           widget->allocation.x,
 399                                           widget->allocation.y,
 400                                           window->GetTransparent (),
 401                                           true);
 402
 403         GdkGC *gc = gdk_gc_new (pixmap);
 404
 405         gdk_gc_set_clip_region (gc, event->region);
 406
 407         gdk_draw_drawable (widget->window, gc, pixmap,
 408                            0, 0,
 409                            event->area.x, event->area.y,
 410                            event->area.width, event->area.height);
 411
 412         g_object_unref (pixmap);
 413         g_object_unref (gc);
 414
 415         return true;
 416 }
 417
 418 gboolean
 419 MoonWindowGtk::button_press (GtkWidget *widget, GdkEventButton *event, gpointer data)
 420 {
 421         MoonWindowGtk *window = (MoonWindowGtk*)data;
 422
 423         window->SetCurrentDeployment ();
 424
 425         if (event->button != 1 && event->button != 3)
 426                 return false;
 427
 428         if (window->surface)
 429                 window->surface->HandleUIButtonPress (event);
 430
 431         // If we don't support right clicks (i.e. inside the browser)
 432         // return false here
 433         if (event->button == 3 && (moonlight_flags & RUNTIME_INIT_DESKTOP_EXTENSIONS) == 0)
 434                 return false;
 435
 436         // ignore HandleUIButtonPress's return value, and always
 437         // return true here, or it gets bubbled up to firefox.
 438         return true;
 439 }
 440
 441 gboolean
 442 MoonWindowGtk::button_release (GtkWidget *widget, GdkEventButton *event, gpointer data)
 443 {
 444         MoonWindowGtk *window = (MoonWindowGtk*)data;
 445
 446         window->SetCurrentDeployment ();
 447
 448         if (window->surface)
 449                 window->surface->HandleUIButtonRelease (event);
 450         // ignore HandleUIButtonRelease's return value, and always
 451         // return true here, or it gets bubbled up to firefox.
 452         return true;
 453 }
 454
 455 gboolean
 456 MoonWindowGtk::scroll (GtkWidget *widget, GdkEventScroll *event, gpointer data)
 457 {
 458         MoonWindowGtk *window = (MoonWindowGtk*)data;
 459
 460         window->SetCurrentDeployment ();
 461
 462         if (window->surface)
 463                 window->surface->HandleUIScroll (event);
 464         // ignore HandleUIScroll's return value, and always
 465         // return true here, or it gets bubbled up to firefox.
 466         return true;
 467 }
 468
 469 gboolean
 470 MoonWindowGtk::motion_notify (GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
 471 {
 472         MoonWindowGtk *window = (MoonWindowGtk*)user_data;
 473
 474         window->SetCurrentDeployment ();
 475
 476         if (window->surface)
 477                 window->surface->HandleUIMotion (event);
 478         // ignore HandleUIMotion's return value, and always
 479         // return true here, or it gets bubbled up to firefox.
 480         return true;
 481 }
 482
 483 gboolean
 484 MoonWindowGtk::crossing_notify (GtkWidget *widget, GdkEventCrossing *event, gpointer user_data)
 485 {
 486         MoonWindowGtk *window = (MoonWindowGtk*)user_data;
 487
 488         window->SetCurrentDeployment ();
 489
 490         if (window->surface) {
 491                 window->surface->HandleUICrossing (event);
 492                 return true;
 493         }
 494
 495         return false;
 496 }
 497
 498 gboolean
 499 MoonWindowGtk::focus_in (GtkWidget *widget, GdkEventFocus *event, gpointer user_data)
 500 {
 501         MoonWindowGtk *window = (MoonWindowGtk*)user_data;
 502
 503         window->SetCurrentDeployment ();
 504
 505         if (window->surface) {
 506                 window->surface->HandleUIFocusIn (event);
 507                 return true;
 508         }
 509
 510         return false;
 511 }
 512
 513 gboolean
 514 MoonWindowGtk::focus_out (GtkWidget *widget, GdkEventFocus *event, gpointer user_data)
 515 {
 516         MoonWindowGtk *window = (MoonWindowGtk*)user_data;
 517
 518         window->SetCurrentDeployment ();
 519
 520         if (window->surface) {
 521                 window->surface->HandleUIFocusOut (event);
 522                 return true;
 523         }
 524
 525         return false;
 526 }
 527
 528 gboolean
 529 MoonWindowGtk::key_press (GtkWidget *widget, GdkEventKey *event, gpointer user_data)
 530 {
 531         MoonWindowGtk *window = (MoonWindowGtk*)user_data;
 532
 533         window->SetCurrentDeployment ();
 534
 535         if (window->surface) {
 536                 window->surface->HandleUIKeyPress (event);
 537                 return true;
 538         }
 539
 540         return false;
 541 }
 542
 543 gboolean
 544 MoonWindowGtk::key_release (GtkWidget *widget, GdkEventKey *event, gpointer user_data)
 545 {
 546         MoonWindowGtk *window = (MoonWindowGtk*)user_data;
 547
 548         window->SetCurrentDeployment ();
 549
 550         if (window->surface) {
 551                 window->surface->HandleUIKeyRelease (event);
 552                 return true;
 553         }
 554
 555         return false;
 556 }
 557
 558 void
 559 MoonWindowGtk::widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation, gpointer data)
 560 {
 561         MoonWindowGtk *window = (MoonWindowGtk*)data;
 562
 563         window->SetCurrentDeployment ();
 564
 565         //printf ("Surface::size-allocate callback: current = %dx%d; new = %dx%d\n",
 566         //      s->width, s->height, allocation->width, allocation->height);
 567
 568         bool emit_resize = false;
 569
 570         if (window->width != allocation->width || window->height != allocation->height) {
 571                 window->width = allocation->width;
 572                 window->height = allocation->height;
 573
 574                 emit_resize = true;
 575         }
 576
 577         if (window->surface)
 578                 window->surface->HandleUIWindowAllocation (emit_resize);
 579 }
 580
 581 void
 582 MoonWindowGtk::widget_destroyed (GtkWidget *widget, gpointer user_data)
 583 {
 584         MoonWindowGtk* window = (MoonWindowGtk*)user_data;
 585
 586         window->widget = NULL;
 587         if (window->surface)
 588                 window->surface->HandleUIWindowDestroyed (window);
 589 }
 590
 591 gboolean
 592 MoonWindowGtk::realized (GtkWidget *widget, gpointer user_data)
 593 {
 594         MoonWindowGtk* window = (MoonWindowGtk*)user_data;
 595
 596 #ifdef USE_XRANDR
 597 #if INTEL_DRIVERS_STOP_SUCKING
 598         // apparently the i965 drivers blank external screens when
 599         // getting the screen info (um, ugh?).  needless to say, this
 600         // annoyance is worse than not using the monitor's refresh as
 601         // the upper bound for our fps.
 602         //
 603         // http://lists.freedesktop.org/archives/xorg/2007-August/027616.html
 604         int event_base, error_base;
 605         GdkWindow *gdk_root = gtk_widget_get_root_window (widget);
 606         Display *dpy = GDK_WINDOW_XDISPLAY(gdk_root);
 607         Window root = GDK_WINDOW_XID (gdk_root);
 608         if (XRRQueryExtension (dpy, &event_base, &error_base)) {
 609                 XRRScreenConfiguration *info = XRRGetScreenInfo (dpy,
 610                                                                  root);
 611                 short rate = XRRConfigCurrentRate (info);
 612                 printf ("screen refresh rate = %d\n", rate);
 613                 if (window->surface)
 614                         window->surface->GetTimeManager()->SetMaximumRefreshRate (rate);
 615                 XRRFreeScreenConfigInfo (info);
 616         }
 617 #endif
 618 #endif
 619
 620         window->SetCurrentDeployment ();
 621
 622         if (window->surface) {
 623                 window->surface->HandleUIWindowUnavailable ();
 624                 window->surface->HandleUIWindowAvailable ();
 625         }
 626
 627 #if SANITY
 628         Deployment::SetCurrent (NULL);
 629 #endif
 630
 631         return true;
 632 }
 633
 634 gboolean
 635 MoonWindowGtk::unrealized (GtkWidget *widget, gpointer user_data)
 636 {
 637         MoonWindowGtk* window = (MoonWindowGtk*)user_data;
 638
 639         window->SetCurrentDeployment ();
 640
 641         if (window->surface)
 642                 window->surface->HandleUIWindowUnavailable ();
 643
 644 #if SANITY
 645         Deployment::SetCurrent (NULL);
 646 #endif
 647
 648         return true;
 649 }