git.sesse.net Git - vlc/blob - modules/video_output/directx/events.c

   1 /*****************************************************************************
   2  * events.c: Windows DirectX video output events handler
   3  *****************************************************************************
   4  * Copyright (C) 2001 VideoLAN
   5  * $Id: events.c,v 1.25 2003/10/28 17:02:14 gbazin Exp $
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24
  25 /*****************************************************************************
  26  * Preamble: This file contains the functions related to the creation of
  27  *             a window and the handling of its messages (events).
  28  *****************************************************************************/
  29 #include <errno.h>                                                 /* ENOMEM */
  30 #include <stdlib.h>                                                /* free() */
  31 #include <string.h>                                            /* strerror() */
  32
  33 #include <vlc/vlc.h>
  34 #include <vlc/intf.h>
  35 #include <vlc/input.h>
  36 #include <vlc/vout.h>
  37
  38 #include <windows.h>
  39 #include <windowsx.h>
  40 #include <shellapi.h>
  41
  42 #include <ddraw.h>
  43
  44 #include "vlc_keys.h"
  45 #include "vout.h"
  46
  47 /*****************************************************************************
  48  * Local prototypes.
  49  *****************************************************************************/
  50 static int  DirectXCreateWindow( vout_thread_t *p_vout );
  51 static void DirectXCloseWindow ( vout_thread_t *p_vout );
  52 static long FAR PASCAL DirectXEventProc ( HWND hwnd, UINT message,
  53                                           WPARAM wParam, LPARAM lParam );
  54
  55 static void DirectXPopupMenu( event_thread_t *p_event, vlc_bool_t b_open )
  56 {
  57     playlist_t *p_playlist =
  58         vlc_object_find( p_event, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
  59     if( p_playlist != NULL )
  60     {
  61         vlc_value_t val;
  62         val.b_bool = b_open;
  63         var_Set( p_playlist, "intf-popupmenu", val );
  64         vlc_object_release( p_playlist );
  65     }
  66 }
  67
  68 static int DirectXConvertKey( int i_key );
  69
  70 /*****************************************************************************
  71  * DirectXEventThread: Create video window & handle its messages
  72  *****************************************************************************
  73  * This function creates a video window and then enters an infinite loop
  74  * that handles the messages sent to that window.
  75  * The main goal of this thread is to isolate the Win32 PeekMessage function
  76  * because this one can block for a long time.
  77  *****************************************************************************/
  78 void DirectXEventThread( event_thread_t *p_event )
  79 {
  80     MSG msg;
  81     POINT old_mouse_pos = {0,0};
  82     vlc_value_t val;
  83     int i_width, i_height, i_x, i_y;
  84
  85     /* Initialisation */
  86
  87     /* Create a window for the video */
  88     /* Creating a window under Windows also initializes the thread's event
  89      * message queue */
  90     if( DirectXCreateWindow( p_event->p_vout ) )
  91     {
  92         msg_Err( p_event, "out of memory" );
  93         p_event->b_dead = VLC_TRUE;
  94     }
  95
  96     /* signal the creation of the window */
  97     vlc_thread_ready( p_event );
  98
  99     /* Main loop */
 100     /* GetMessage will sleep if there's no message in the queue */
 101     while( !p_event->b_die && ( p_event->p_vout->p_sys->hparent ||
 102            GetMessage( &msg, p_event->p_vout->p_sys->hwnd, 0, 0 ) ) )
 103     {
 104         /* Check if we are asked to exit */
 105         if( p_event->b_die )
 106             break;
 107
 108         if( p_event->p_vout->p_sys->hparent ) msleep( INTF_IDLE_SLEEP );
 109
 110         switch( msg.message )
 111         {
 112
 113         case WM_NCMOUSEMOVE:
 114         case WM_MOUSEMOVE:
 115             vout_PlacePicture( p_event->p_vout,
 116                                p_event->p_vout->p_sys->i_window_width,
 117                                p_event->p_vout->p_sys->i_window_height,
 118                                &i_x, &i_y, &i_width, &i_height );
 119
 120             val.i_int = ( GET_X_LPARAM(msg.lParam) - i_x )
 121                          * p_event->p_vout->render.i_width / i_width;
 122             var_Set( p_event->p_vout, "mouse-x", val );
 123             val.i_int = ( GET_Y_LPARAM(msg.lParam) - i_y )
 124                          * p_event->p_vout->render.i_height / i_height;
 125             var_Set( p_event->p_vout, "mouse-y", val );
 126
 127             val.b_bool = VLC_TRUE;
 128             var_Set( p_event->p_vout, "mouse-moved", val );
 129
 130             if( (abs(GET_X_LPARAM(msg.lParam) - old_mouse_pos.x) > 2 ||
 131                 (abs(GET_Y_LPARAM(msg.lParam) - old_mouse_pos.y)) > 2 ) )
 132             {
 133                 GetCursorPos( &old_mouse_pos );
 134                 p_event->p_vout->p_sys->i_lastmoved = mdate();
 135
 136                 if( p_event->p_vout->p_sys->b_cursor_hidden )
 137                 {
 138                     p_event->p_vout->p_sys->b_cursor_hidden = 0;
 139                     ShowCursor( TRUE );
 140                 }
 141             }
 142             break;
 143
 144         case WM_VLC_HIDE_MOUSE:
 145             GetCursorPos( &old_mouse_pos );
 146             ShowCursor( FALSE );
 147             break;
 148
 149         case WM_LBUTTONDOWN:
 150             var_Get( p_event->p_vout, "mouse-button-down", &val );
 151             val.i_int |= 1;
 152             var_Set( p_event->p_vout, "mouse-button-down", val );
 153             DirectXPopupMenu( p_event, VLC_FALSE );
 154             break;
 155
 156         case WM_LBUTTONUP:
 157             var_Get( p_event->p_vout, "mouse-button-down", &val );
 158             val.i_int &= ~1;
 159             var_Set( p_event->p_vout, "mouse-button-down", val );
 160
 161             val.b_bool = VLC_TRUE;
 162             var_Set( p_event->p_vout, "mouse-clicked", val );
 163             break;
 164
 165         case WM_LBUTTONDBLCLK:
 166             p_event->p_vout->p_sys->i_changes |= VOUT_FULLSCREEN_CHANGE;
 167             break;
 168
 169         case WM_MBUTTONDOWN:
 170             var_Get( p_event->p_vout, "mouse-button-down", &val );
 171             val.i_int |= 2;
 172             var_Set( p_event->p_vout, "mouse-button-down", val );
 173             DirectXPopupMenu( p_event, VLC_FALSE );
 174             break;
 175
 176         case WM_MBUTTONUP:
 177             var_Get( p_event->p_vout, "mouse-button-down", &val );
 178             val.i_int &= ~2;
 179             var_Set( p_event->p_vout, "mouse-button-down", val );
 180             break;
 181
 182         case WM_RBUTTONDOWN:
 183             var_Get( p_event->p_vout, "mouse-button-down", &val );
 184             val.i_int |= 4;
 185             var_Set( p_event->p_vout, "mouse-button-down", val );
 186             DirectXPopupMenu( p_event, VLC_FALSE );
 187             break;
 188
 189         case WM_RBUTTONUP:
 190             var_Get( p_event->p_vout, "mouse-button-down", &val );
 191             val.i_int &= ~4;
 192             var_Set( p_event->p_vout, "mouse-button-down", val );
 193             DirectXPopupMenu( p_event, VLC_TRUE );
 194             break;
 195
 196         case WM_KEYDOWN:
 197             /* the key events are first processed here. The next
 198              * message processed by this main message loop will be the
 199              * char translation of the key event */
 200         case WM_CHAR:
 201             if( msg.message == WM_KEYDOWN )
 202             {
 203                 val.i_int = DirectXConvertKey( msg.wParam );
 204                 TranslateMessage(&msg);
 205             }
 206             else val.i_int = msg.wParam;
 207
 208             if( val.i_int )
 209             {
 210                 if( GetKeyState(VK_CONTROL) & 0x8000 )
 211                 {
 212                     val.i_int |= KEY_MODIFIER_CTRL;
 213                 }
 214                 else if( GetKeyState(VK_SHIFT) & 0x8000 )
 215                 {
 216                     val.i_int |= KEY_MODIFIER_SHIFT;
 217                 }
 218                 else if( GetKeyState(VK_MENU) & 0x8000 )
 219                 {
 220                     val.i_int |= KEY_MODIFIER_ALT;
 221                 }
 222
 223                 if( val.i_int == config_GetInt( p_event, "fullscreen-key" ) )
 224                 {
 225                     p_event->p_vout->p_sys->i_changes |=
 226                         VOUT_FULLSCREEN_CHANGE;
 227                 }
 228                 else
 229                 {
 230                     var_Set( p_event->p_vlc, "key-pressed", val );
 231                 }
 232             }
 233             break;
 234
 235         default:
 236             /* Messages we don't handle directly are dispatched to the
 237              * window procedure */
 238             TranslateMessage(&msg);
 239             DispatchMessage(&msg);
 240             break;
 241
 242         } /* End Switch */
 243
 244     } /* End Main loop */
 245
 246     if( msg.message == WM_QUIT )
 247     {
 248         msg_Warn( p_event, "WM_QUIT... should not happen!!" );
 249         p_event->p_vout->p_sys->hwnd = NULL; /* Window already destroyed */
 250     }
 251
 252     msg_Dbg( p_event, "DirectXEventThread terminating" );
 253
 254     /* clear the changes formerly signaled */
 255     p_event->p_vout->p_sys->i_changes = 0;
 256
 257     DirectXCloseWindow( p_event->p_vout );
 258 }
 259
 260
 261 /* following functions are local */
 262
 263 /*****************************************************************************
 264  * DirectXCreateWindow: create a window for the video.
 265  *****************************************************************************
 266  * Before creating a direct draw surface, we need to create a window in which
 267  * the video will be displayed. This window will also allow us to capture the
 268  * events.
 269  *****************************************************************************/
 270 static int DirectXCreateWindow( vout_thread_t *p_vout )
 271 {
 272     HINSTANCE  hInstance;
 273     COLORREF   colorkey;
 274     HDC        hdc;
 275     HMENU      hMenu;
 276     RECT       rect_window;
 277
 278     vlc_value_t val;
 279
 280     msg_Dbg( p_vout, "DirectXCreateWindow" );
 281
 282     /* Get this module's instance */
 283     hInstance = GetModuleHandle(NULL);
 284
 285     /* Create a BRUSH that will be used by Windows to paint the window
 286      * background.
 287      * This window background is important for us as it will be used by the
 288      * graphics card to display the overlay.
 289      * This is why we carefully choose the color for this background, the goal
 290      * being to choose a color which isn't complete black but nearly. We
 291      * obviously don't want to use black as a colorkey for the overlay because
 292      * black is one of the most used color and thus would give us undesirable
 293      * effects */
 294     /* the first step is to find the colorkey we want to use. The difficulty
 295      * comes from the potential dithering (depends on the display depth)
 296      * because we need to know the real RGB value of the chosen colorkey */
 297     hdc = GetDC( NULL );
 298     for( colorkey = 0x0a; colorkey < 0xff /* all shades of red */; colorkey++ )
 299     {
 300         if( colorkey == GetNearestColor( hdc, colorkey ) )
 301         {
 302             break;
 303         }
 304     }
 305     msg_Dbg( p_vout, "background color: %i", colorkey );
 306
 307     /* Create the actual brush */
 308     p_vout->p_sys->hbrush = CreateSolidBrush(colorkey);
 309     p_vout->p_sys->i_rgb_colorkey = (int)colorkey;
 310
 311     /* Get the current size of the display and its colour depth */
 312     p_vout->p_sys->rect_display.right = GetDeviceCaps( hdc, HORZRES );
 313     p_vout->p_sys->rect_display.bottom = GetDeviceCaps( hdc, VERTRES );
 314     p_vout->p_sys->i_display_depth = GetDeviceCaps( hdc, BITSPIXEL );
 315     msg_Dbg( p_vout, "screen dimensions %ix%i colour depth %i",
 316                       p_vout->p_sys->rect_display.right,
 317                       p_vout->p_sys->rect_display.bottom,
 318                       p_vout->p_sys->i_display_depth );
 319
 320     ReleaseDC( NULL, hdc );
 321
 322     /* If an external window was specified, we'll draw in it. */
 323     var_Get( p_vout->p_vlc, "drawable", &val );
 324     p_vout->p_sys->hparent = p_vout->p_sys->hwnd =
 325              val.i_int ?  (void*)(ptrdiff_t) val.i_int : NULL;
 326
 327     if( p_vout->p_sys->hparent )
 328     {
 329         msg_Dbg( p_vout, "using external window %p\n", p_vout->p_sys->hwnd );
 330
 331         /* Set stuff in the window that we can not put directly in
 332          * a class (see below). */
 333         SetClassLong( p_vout->p_sys->hwnd,
 334                       GCL_STYLE, CS_DBLCLKS );
 335         SetClassLong( p_vout->p_sys->hwnd,
 336                       GCL_HBRBACKGROUND, (LONG)p_vout->p_sys->hbrush );
 337         SetClassLong( p_vout->p_sys->hwnd,
 338                       GCL_HCURSOR, (LONG)LoadCursor(NULL, IDC_ARROW) );
 339         /* Store a p_vout pointer into the window local storage (for later
 340          * use in DirectXEventProc). */
 341         SetWindowLong( p_vout->p_sys->hwnd, GWL_USERDATA, (LONG)p_vout );
 342
 343         p_vout->p_sys->pf_wndproc =
 344                (WNDPROC)SetWindowLong( p_vout->p_sys->hwnd,
 345                                        GWL_WNDPROC, (LONG)DirectXEventProc );
 346
 347         /* Blam! Erase everything that might have been there. */
 348         RedrawWindow( p_vout->p_sys->hwnd, NULL, NULL,
 349                       RDW_INVALIDATE | RDW_ERASE );
 350     }
 351     else
 352     {
 353         WNDCLASSEX wc;                            /* window class components */
 354         HICON      vlc_icon = NULL;
 355         char       vlc_path[MAX_PATH+1];
 356
 357         /* Get the Icon from the main app */
 358         vlc_icon = NULL;
 359         if( GetModuleFileName( NULL, vlc_path, MAX_PATH ) )
 360         {
 361             vlc_icon = ExtractIcon( hInstance, vlc_path, 0 );
 362         }
 363
 364         /* Fill in the window class structure */
 365         wc.cbSize        = sizeof(WNDCLASSEX);
 366         wc.style         = CS_DBLCLKS;                   /* style: dbl click */
 367         wc.lpfnWndProc   = (WNDPROC)DirectXEventProc;       /* event handler */
 368         wc.cbClsExtra    = 0;                         /* no extra class data */
 369         wc.cbWndExtra    = 0;                        /* no extra window data */
 370         wc.hInstance     = hInstance;                            /* instance */
 371         wc.hIcon         = vlc_icon;                /* load the vlc big icon */
 372         wc.hCursor       = LoadCursor(NULL, IDC_ARROW);    /* default cursor */
 373         wc.hbrBackground = p_vout->p_sys->hbrush;        /* background color */
 374         wc.lpszMenuName  = NULL;                                  /* no menu */
 375         wc.lpszClassName = "VLC DirectX";             /* use a special class */
 376         wc.hIconSm       = vlc_icon;              /* load the vlc small icon */
 377
 378         /* Register the window class */
 379         if( !RegisterClassEx(&wc) )
 380         {
 381             WNDCLASS wndclass;
 382
 383             /* Free window background brush */
 384             if( p_vout->p_sys->hbrush )
 385             {
 386                 DeleteObject( p_vout->p_sys->hbrush );
 387                 p_vout->p_sys->hbrush = NULL;
 388             }
 389
 390             if( vlc_icon )
 391             {
 392                 DestroyIcon( vlc_icon );
 393             }
 394
 395             /* Check why it failed. If it's because one already exists
 396              * then fine, otherwise return with an error. */
 397             if( !GetClassInfo( hInstance, "VLC DirectX", &wndclass ) )
 398             {
 399                 msg_Err( p_vout, "DirectXCreateWindow RegisterClass FAILED" );
 400                 return VLC_EGENERIC;
 401             }
 402         }
 403
 404         /* When you create a window you give the dimensions you wish it to
 405          * have. Unfortunatly these dimensions will include the borders and
 406          * titlebar. We use the following function to find out the size of
 407          * the window corresponding to the useable surface we want */
 408         rect_window.top    = 10;
 409         rect_window.left   = 10;
 410         rect_window.right  = rect_window.left + p_vout->p_sys->i_window_width;
 411         rect_window.bottom = rect_window.top + p_vout->p_sys->i_window_height;
 412         AdjustWindowRect( &rect_window, WS_OVERLAPPEDWINDOW|WS_SIZEBOX, 0 );
 413
 414         /* Create the window */
 415         p_vout->p_sys->hwnd =
 416             CreateWindow( "VLC DirectX",             /* name of window class */
 417                     VOUT_TITLE " (DirectX Output)", /* window title bar text */
 418                     WS_OVERLAPPEDWINDOW | WS_SIZEBOX,        /* window style */
 419                     CW_USEDEFAULT,                   /* default X coordinate */
 420                     0,                               /* default Y coordinate */
 421                     rect_window.right - rect_window.left,    /* window width */
 422                     rect_window.bottom - rect_window.top,   /* window height */
 423                     NULL,                                /* no parent window */
 424                     NULL,                          /* no menu in this window */
 425                     hInstance,            /* handle of this program instance */
 426                     (LPVOID)p_vout );            /* send p_vout to WM_CREATE */
 427
 428         if( !p_vout->p_sys->hwnd )
 429         {
 430             msg_Warn( p_vout, "DirectXCreateWindow create window FAILED" );
 431             return VLC_EGENERIC;
 432         }
 433     }
 434
 435     /* Append a "Always On Top" entry in the system menu */
 436     hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 437     AppendMenu( hMenu, MF_SEPARATOR, 0, "" );
 438     AppendMenu( hMenu, MF_STRING | MF_UNCHECKED,
 439                        IDM_TOGGLE_ON_TOP, "Always on &Top" );
 440
 441     /* Now display the window */
 442     ShowWindow( p_vout->p_sys->hwnd, SW_SHOW );
 443
 444     return VLC_SUCCESS;
 445 }
 446
 447 /*****************************************************************************
 448  * DirectXCloseWindow: close the window created by DirectXCreateWindow
 449  *****************************************************************************
 450  * This function returns all resources allocated by DirectXCreateWindow.
 451  *****************************************************************************/
 452 static void DirectXCloseWindow( vout_thread_t *p_vout )
 453 {
 454     msg_Dbg( p_vout, "DirectXCloseWindow" );
 455
 456     if( p_vout->p_sys->hwnd && !p_vout->p_sys->hparent )
 457     {
 458         DestroyWindow( p_vout->p_sys->hwnd );
 459     }
 460     else if( p_vout->p_sys->hparent )
 461     {
 462         /* We don't want our windowproc to be called anymore */
 463         SetWindowLong( p_vout->p_sys->hwnd,
 464                        GWL_WNDPROC, (LONG)p_vout->p_sys->pf_wndproc );
 465
 466         /* Blam! Erase everything that might have been there. */
 467         InvalidateRect( p_vout->p_sys->hwnd, NULL, TRUE );
 468     }
 469
 470     p_vout->p_sys->hwnd = NULL;
 471
 472     /* We don't unregister the Window Class because it could lead to race
 473      * conditions and it will be done anyway by the system when the app will
 474      * exit */
 475 }
 476
 477 /*****************************************************************************
 478  * DirectXUpdateRects: update clipping rectangles
 479  *****************************************************************************
 480  * This function is called when the window position or size are changed, and
 481  * its job is to update the source and destination RECTs used to display the
 482  * picture.
 483  *****************************************************************************/
 484 void DirectXUpdateRects( vout_thread_t *p_vout, vlc_bool_t b_force )
 485 {
 486 #define rect_src p_vout->p_sys->rect_src
 487 #define rect_src_clipped p_vout->p_sys->rect_src_clipped
 488 #define rect_dest p_vout->p_sys->rect_dest
 489 #define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
 490
 491     int i_width, i_height, i_x, i_y;
 492
 493     RECT  rect;
 494     POINT point;
 495
 496     /* Retrieve the window size */
 497     GetClientRect( p_vout->p_sys->hwnd, &rect );
 498
 499     /* Retrieve the window position */
 500     point.x = point.y = 0;
 501     ClientToScreen( p_vout->p_sys->hwnd, &point );
 502
 503     /* If nothing changed, we can return */
 504     if( !b_force
 505          && p_vout->p_sys->i_window_width == rect.right
 506          && p_vout->p_sys->i_window_height == rect.bottom
 507          && p_vout->p_sys->i_window_x == point.x
 508          && p_vout->p_sys->i_window_y == point.y )
 509     {
 510         return;
 511     }
 512
 513     /* Update the window position and size */
 514     p_vout->p_sys->i_window_x = point.x;
 515     p_vout->p_sys->i_window_y = point.y;
 516     p_vout->p_sys->i_window_width = rect.right;
 517     p_vout->p_sys->i_window_height = rect.bottom;
 518
 519     vout_PlacePicture( p_vout, rect.right, rect.bottom,
 520                        &i_x, &i_y, &i_width, &i_height );
 521
 522     /* Destination image position and dimensions */
 523     rect_dest.left = point.x + i_x;
 524     rect_dest.right = rect_dest.left + i_width;
 525     rect_dest.top = point.y + i_y;
 526     rect_dest.bottom = rect_dest.top + i_height;
 527
 528
 529     /* UpdateOverlay directdraw function doesn't automatically clip to the
 530      * display size so we need to do it otherwise it will fail */
 531
 532     /* Clip the destination window */
 533     IntersectRect( &rect_dest_clipped,
 534                    &rect_dest,
 535                    &p_vout->p_sys->rect_display );
 536
 537 #if 0
 538     msg_Dbg( p_vout, "DirectXUpdateRects image_dst_clipped coords:"
 539                      " %i,%i,%i,%i",
 540                      rect_dest_clipped.left, rect_dest_clipped.top,
 541                      rect_dest_clipped.right, rect_dest_clipped.bottom );
 542 #endif
 543
 544     /* the 2 following lines are to fix a bug when clicking on the desktop */
 545     if( (rect_dest_clipped.right - rect_dest_clipped.left)==0 ||
 546         (rect_dest_clipped.bottom - rect_dest_clipped.top)==0 )
 547     {
 548         SetRectEmpty( &rect_src_clipped );
 549         return;
 550     }
 551
 552     /* src image dimensions */
 553     rect_src.left = 0;
 554     rect_src.top = 0;
 555     rect_src.right = p_vout->render.i_width;
 556     rect_src.bottom = p_vout->render.i_height;
 557
 558     /* Clip the source image */
 559     rect_src_clipped.left = (rect_dest_clipped.left - rect_dest.left) *
 560       p_vout->render.i_width / (rect_dest.right - rect_dest.left);
 561     rect_src_clipped.right = p_vout->render.i_width -
 562       (rect_dest.right - rect_dest_clipped.right) * p_vout->render.i_width /
 563       (rect_dest.right - rect_dest.left);
 564     rect_src_clipped.top = (rect_dest_clipped.top - rect_dest.top) *
 565       p_vout->render.i_height / (rect_dest.bottom - rect_dest.top);
 566     rect_src_clipped.bottom = p_vout->render.i_height -
 567       (rect_dest.bottom - rect_dest_clipped.bottom) * p_vout->render.i_height /
 568       (rect_dest.bottom - rect_dest.top);
 569
 570 #if 0
 571     msg_Dbg( p_vout, "DirectXUpdateRects image_src_clipped"
 572                      " coords: %i,%i,%i,%i",
 573                      rect_src_clipped.left, rect_src_clipped.top,
 574                      rect_src_clipped.right, rect_src_clipped.bottom );
 575 #endif
 576
 577     /* Signal the size change */
 578     if( !p_vout->p_sys->p_event->b_die )
 579     {
 580         if( p_vout->p_sys->b_using_overlay )
 581         {
 582             DirectXUpdateOverlay( p_vout );
 583         }
 584         else
 585         {
 586             p_vout->p_sys->i_changes |= VOUT_SIZE_CHANGE;
 587         }
 588     }
 589
 590 #undef rect_src
 591 #undef rect_src_clipped
 592 #undef rect_dest
 593 #undef rect_dest_clipped
 594 }
 595
 596 /*****************************************************************************
 597  * DirectXEventProc: This is the window event processing function.
 598  *****************************************************************************
 599  * On Windows, when you create a window you have to attach an event processing
 600  * function to it. The aim of this function is to manage "Queued Messages" and
 601  * "Nonqueued Messages".
 602  * Queued Messages are those picked up and retransmitted by vout_Manage
 603  * (using the GetMessage and DispatchMessage functions).
 604  * Nonqueued Messages are those that Windows will send directly to this
 605  * procedure (like WM_DESTROY, WM_WINDOWPOSCHANGED...)
 606  *****************************************************************************/
 607 static long FAR PASCAL DirectXEventProc( HWND hwnd, UINT message,
 608                                          WPARAM wParam, LPARAM lParam )
 609 {
 610     vout_thread_t *p_vout;
 611
 612     if( message == WM_CREATE )
 613     {
 614         /* Store p_vout for future use */
 615         p_vout = (vout_thread_t *)((CREATESTRUCT *)lParam)->lpCreateParams;
 616         SetWindowLong( hwnd, GWL_USERDATA, (LONG)p_vout );
 617     }
 618     else
 619     {
 620         p_vout = (vout_thread_t *)GetWindowLong( hwnd, GWL_USERDATA );
 621     }
 622
 623     switch( message )
 624     {
 625
 626     case WM_WINDOWPOSCHANGED:
 627         DirectXUpdateRects( p_vout, VLC_TRUE );
 628         return 0;
 629
 630     /* the user wants to close the window */
 631     case WM_CLOSE:
 632     {
 633         playlist_t * p_playlist =
 634             (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 635                                            FIND_ANYWHERE );
 636         if( p_playlist == NULL )
 637         {
 638             return 0;
 639         }
 640
 641         playlist_Stop( p_playlist );
 642         vlc_object_release( p_playlist );
 643         return 0;
 644     }
 645
 646     /* the window has been closed so shut down everything now */
 647     case WM_DESTROY:
 648         msg_Dbg( p_vout, "WinProc WM_DESTROY" );
 649         /* just destroy the window */
 650         PostQuitMessage( 0 );
 651         return 0;
 652
 653     case WM_SYSCOMMAND:
 654         switch (wParam)
 655         {
 656             case SC_SCREENSAVE:                     /* catch the screensaver */
 657             case SC_MONITORPOWER:              /* catch the monitor turn-off */
 658                 msg_Dbg( p_vout, "WinProc WM_SYSCOMMAND" );
 659                 return 0;                  /* this stops them from happening */
 660             case IDM_TOGGLE_ON_TOP:            /* toggle the "on top" status */
 661             {
 662                 vlc_value_t val;
 663                 msg_Dbg( p_vout, "WinProc WM_SYSCOMMAND: IDM_TOGGLE_ON_TOP");
 664
 665                 /* Get the current value... */
 666                 if( var_Get( p_vout, "directx-on-top", &val ) < 0 )
 667                     return 0;
 668                 /* ...and change it */
 669                 val.b_bool = !val.b_bool;
 670                 var_Set( p_vout, "directx-on-top", val );
 671                 return 0;
 672                 break;
 673             }
 674         }
 675         break;
 676
 677     case WM_ERASEBKGND:
 678         if( !p_vout->p_sys->b_using_overlay )
 679         {
 680             /* We want to eliminate unnecessary background redraws which create
 681              * an annoying flickering */
 682             int i_width, i_height, i_x, i_y;
 683             RECT rect_temp;
 684             GetClipBox( (HDC)wParam, &rect_temp );
 685 #if 0
 686             msg_Dbg( p_vout, "WinProc WM_ERASEBKGND %i,%i,%i,%i",
 687                           rect_temp.left, rect_temp.top,
 688                           rect_temp.right, rect_temp.bottom );
 689 #endif
 690             vout_PlacePicture( p_vout, p_vout->p_sys->i_window_width,
 691                                p_vout->p_sys->i_window_height,
 692                                &i_x, &i_y, &i_width, &i_height );
 693             ExcludeClipRect( (HDC)wParam, i_x, i_y,
 694                              i_x + i_width, i_y + i_height );
 695         }
 696         break;
 697
 698     default:
 699         //msg_Dbg( p_vout, "WinProc WM Default %i", message );
 700         break;
 701     }
 702
 703     return DefWindowProc(hwnd, message, wParam, lParam);
 704 }
 705
 706 static struct
 707 {
 708     int i_dxkey;
 709     int i_vlckey;
 710
 711 } dxkeys_to_vlckeys[] =
 712 {
 713     { VK_F1, KEY_F1 }, { VK_F2, KEY_F2 }, { VK_F3, KEY_F3 }, { VK_F4, KEY_F4 },
 714     { VK_F5, KEY_F5 }, { VK_F6, KEY_F6 }, { VK_F7, KEY_F7 }, { VK_F8, KEY_F8 },
 715     { VK_F9, KEY_F9 }, { VK_F10, KEY_F10 }, { VK_F11, KEY_F11 },
 716     { VK_F12, KEY_F12 },
 717
 718     { VK_RETURN, KEY_ENTER },
 719     { VK_SPACE, KEY_SPACE },
 720     { VK_ESCAPE, KEY_ESC },
 721
 722     { VK_MENU, KEY_MENU },
 723     { VK_LEFT, KEY_LEFT },
 724     { VK_RIGHT, KEY_RIGHT },
 725     { VK_UP, KEY_UP },
 726     { VK_DOWN, KEY_DOWN },
 727
 728     { VK_HOME, KEY_HOME },
 729     { VK_END, KEY_END },
 730     { VK_PRIOR, KEY_PAGEUP },
 731     { VK_NEXT, KEY_PAGEDOWN },
 732     { 0, 0 }
 733 };
 734
 735 static int DirectXConvertKey( int i_key )
 736 {
 737     int i;
 738
 739     for( i = 0; dxkeys_to_vlckeys[i].i_dxkey != 0; i++ )
 740     {
 741         if( dxkeys_to_vlckeys[i].i_dxkey == i_key )
 742         {
 743             return dxkeys_to_vlckeys[i].i_vlckey;
 744         }
 745     }
 746
 747     return 0;
 748 }