/*****************************************************************************
* EventThread: Create video window & handle its messages
*****************************************************************************
* This function creates a video window and then enters an infinite loop
* that handles the messages sent to that window.
* The main goal of this thread is to isolate the Win32 PeekMessage function
* because this one can block for a long time.
*****************************************************************************/
static void *EventThread( void *p_this )
{
event_thread_t *p_event = (event_thread_t *)p_this;
vout_display_t *vd = p_event->vd;
MSG msg;
POINT old_mouse_pos = {0,0}, mouse_pos;
int canc = vlc_savecancel ();
bool b_mouse_support = var_InheritBool( p_event->vd, "mouse-events" );
bool b_key_support = var_InheritBool( p_event->vd, "keyboard-events" );
vlc_mutex_lock( &p_event->lock );
/* Create a window for the video */
/* Creating a window under Windows also initializes the thread's event
* message queue */
if( DirectXCreateWindow( p_event ) )
p_event->b_error = true;
p_event->b_ready = true;
vlc_cond_signal( &p_event->wait );
const bool b_error = p_event->b_error;
vlc_mutex_unlock( &p_event->lock );
if( b_error )
{
vlc_restorecancel( canc );
return NULL;
}
#ifndef UNDER_CE
/* Prevent monitor from powering off */
SetThreadExecutionState( ES_DISPLAY_REQUIRED | ES_CONTINUOUS );
#endif
/* Main loop */
/* GetMessage will sleep if there's no message in the queue */
for( ;; )
{
vout_display_place_t place;
video_format_t source;
if( !GetMessage( &msg, 0, 0, 0 ) )
{
vlc_mutex_lock( &p_event->lock );
p_event->b_done = true;
vlc_mutex_unlock( &p_event->lock );
break;
}
/* Check if we are asked to exit */
vlc_mutex_lock( &p_event->lock );
const bool b_done = p_event->b_done;
vlc_mutex_unlock( &p_event->lock );
if( b_done )
break;
if( !b_mouse_support && isMouseEvent( msg.message ) )
continue;
if( !b_key_support && isKeyEvent( msg.message ) )
continue;
/* Handle mouse state */
if( msg.message == WM_MOUSEMOVE ||
msg.message == WM_NCMOUSEMOVE )
{
GetCursorPos( &mouse_pos );
/* FIXME, why this >2 limits ? */
if( (abs(mouse_pos.x - old_mouse_pos.x) > 2 ||
(abs(mouse_pos.y - old_mouse_pos.y)) > 2 ) )
{
old_mouse_pos = mouse_pos;
UpdateCursor( p_event, true );
}
}
else if( isMouseEvent( msg.message ) )
{
UpdateCursor( p_event, true );
}
else if( msg.message == WM_VLC_HIDE_MOUSE )
{
UpdateCursor( p_event, false );
}
/* */
switch( msg.message )
{
case WM_MOUSEMOVE:
vlc_mutex_lock( &p_event->lock );
place = p_event->place;
source = p_event->source;
vlc_mutex_unlock( &p_event->lock );
if( place.width > 0 && place.height > 0 )
{
if( msg.hwnd == p_event->hvideownd )
{
/* Child window */
place.x = 0;
place.y = 0;
}
const int x = source.i_x_offset +
(int64_t)(GET_X_LPARAM(msg.lParam) - place.x) * source.i_width / place.width;
const int y = source.i_y_offset +
(int64_t)(GET_Y_LPARAM(msg.lParam) - place.y) * source.i_height / place.height;
vout_display_SendEventMouseMoved(vd, x, y);
}
break;
case WM_NCMOUSEMOVE:
break;
case WM_VLC_HIDE_MOUSE:
break;
case WM_LBUTTONDOWN:
MousePressed( p_event, msg.hwnd, MOUSE_BUTTON_LEFT );
break;
case WM_LBUTTONUP:
MouseReleased( p_event, MOUSE_BUTTON_LEFT );
break;
case WM_LBUTTONDBLCLK:
vout_display_SendEventMouseDoubleClick(vd);
break;
case WM_MBUTTONDOWN:
MousePressed( p_event, msg.hwnd, MOUSE_BUTTON_CENTER );
break;
case WM_MBUTTONUP:
MouseReleased( p_event, MOUSE_BUTTON_CENTER );
break;
case WM_RBUTTONDOWN:
MousePressed( p_event, msg.hwnd, MOUSE_BUTTON_RIGHT );
break;
case WM_RBUTTONUP:
MouseReleased( p_event, MOUSE_BUTTON_RIGHT );
break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
{
/* The key events are first processed here and not translated
* into WM_CHAR events because we need to know the status of the
* modifier keys. */
int i_key = DirectXConvertKey( msg.wParam );
if( !i_key )
{
/* This appears to be a "normal" (ascii) key */
i_key = tolower( MapVirtualKey( msg.wParam, 2 ) );
}
if( i_key )
{
if( GetKeyState(VK_CONTROL) & 0x8000 )
{
i_key |= KEY_MODIFIER_CTRL;
}
if( GetKeyState(VK_SHIFT) & 0x8000 )
{
i_key |= KEY_MODIFIER_SHIFT;
}
if( GetKeyState(VK_MENU) & 0x8000 )
{
i_key |= KEY_MODIFIER_ALT;
}
vout_display_SendEventKey(vd, i_key);
}
break;
}
case WM_MOUSEWHEEL:
{
int i_key;
if( GET_WHEEL_DELTA_WPARAM( msg.wParam ) > 0 )
{
i_key = KEY_MOUSEWHEELUP;
}
else
{
i_key = KEY_MOUSEWHEELDOWN;
}
if( i_key )
{
if( GetKeyState(VK_CONTROL) & 0x8000 )
{
i_key |= KEY_MODIFIER_CTRL;
}
if( GetKeyState(VK_SHIFT) & 0x8000 )
{
i_key |= KEY_MODIFIER_SHIFT;
}
if( GetKeyState(VK_MENU) & 0x8000 )
{
i_key |= KEY_MODIFIER_ALT;
}
vout_display_SendEventKey(vd, i_key);
}
break;
}
case WM_VLC_CHANGE_TEXT:
{
vlc_mutex_lock( &p_event->lock );
wchar_t *pwz_title = NULL;
if( p_event->psz_title )
{
const size_t i_length = strlen(p_event->psz_title);
pwz_title = malloc( 2 * (i_length + 1) );
if( pwz_title )
{
mbstowcs( pwz_title, p_event->psz_title, 2 * i_length );
pwz_title[i_length] = 0;
}
}
vlc_mutex_unlock( &p_event->lock );
if( pwz_title )
{
SetWindowTextW( p_event->hwnd, pwz_title );
if( p_event->hfswnd )
SetWindowTextW( p_event->hfswnd, pwz_title );
free( pwz_title );
}
break;
}
default:
/* Messages we don't handle directly are dispatched to the
* window procedure */
TranslateMessage(&msg);
DispatchMessage(&msg);
break;
} /* End Switch */
} /* End Main loop */
/* Check for WM_QUIT if we created the window */
if( !p_event->hparent && msg.message == WM_QUIT )
{
msg_Warn( vd, "WM_QUIT... should not happen!!" );
p_event->hwnd = NULL; /* Window already destroyed */
}
msg_Dbg( vd, "DirectXEventThread terminating" );
DirectXCloseWindow( p_event );
vlc_restorecancel(canc);
return NULL;
}
static MRESULT EXPENTRY WndProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 )
{
vout_display_t * vd = WinQueryWindowPtr( hwnd, 0 );
MRESULT result = ( MRESULT )TRUE;
if ( !vd )
return WinDefWindowProc( hwnd, msg, mp1, mp2 );
vout_display_sys_t * sys = vd->sys;
RECTL rcl;
SWP swp;
if ( sys->is_mouse_hidden &&
((msg >= WM_MOUSEFIRST && msg <= WM_MOUSELAST) ||
(msg >= WM_EXTMOUSEFIRST && msg <= WM_EXTMOUSELAST) ||
msg == WM_MOUSELEAVE))
{
WinShowPointer(HWND_DESKTOP, TRUE);
sys->is_mouse_hidden = false;
}
switch( msg )
{
/* the user wants to close the window */
case WM_CLOSE:
vout_display_SendEventClose(vd);
result = 0;
break;
case WM_MOUSEMOVE :
{
SHORT i_mouse_x = SHORT1FROMMP( mp1 );
SHORT i_mouse_y = SHORT2FROMMP( mp1 );
RECTL movie_rect;
int i_movie_width, i_movie_height;
int i_src_width, i_src_height;
/* Get a current movie area */
kvaAdjustDstRect( &sys->kvas.rclSrcRect, &movie_rect );
i_movie_width = movie_rect.xRight - movie_rect.xLeft;
i_movie_height = movie_rect.yTop - movie_rect.yBottom;
i_src_width = sys->kvas.rclSrcRect.xRight -
sys->kvas.rclSrcRect.xLeft;
i_src_height = sys->kvas.rclSrcRect.yBottom -
sys->kvas.rclSrcRect.yTop;
int x = ( i_mouse_x - movie_rect.xLeft ) *
i_src_width / i_movie_width +
sys->kvas.rclSrcRect.xLeft;
int y = ( i_mouse_y - movie_rect.yBottom ) *
i_src_height / i_movie_height;
/* Invert Y coordinate and add y offset */
y = ( i_src_height - y ) + sys->kvas.rclSrcRect.yTop;;
vout_display_SendEventMouseMoved(vd, x, y);
result = WinDefWindowProc( hwnd, msg, mp1,mp2 );
break;
}
case WM_BUTTON1DOWN :
MousePressed( vd, hwnd, MOUSE_BUTTON_LEFT );
break;
case WM_BUTTON2DOWN :
MousePressed( vd, hwnd, MOUSE_BUTTON_RIGHT );
break;
case WM_BUTTON3DOWN :
MousePressed( vd, hwnd, MOUSE_BUTTON_CENTER );
break;
case WM_BUTTON1UP :
MouseReleased( vd, MOUSE_BUTTON_LEFT );
break;
case WM_BUTTON2UP :
MouseReleased( vd, MOUSE_BUTTON_RIGHT );
break;
case WM_BUTTON3UP :
MouseReleased( vd, MOUSE_BUTTON_CENTER );
break;
case WM_BUTTON1DBLCLK :
vout_display_SendEventMouseDoubleClick(vd);
break;
case WM_TRANSLATEACCEL :
/* We have no accelerator table at all */
result = ( MRESULT )FALSE;
break;
case WM_CHAR :
{
USHORT i_flags = SHORT1FROMMP( mp1 );
USHORT i_ch = SHORT1FROMMP( mp2 );
USHORT i_vk = SHORT2FROMMP( mp2 );
int i_key = 0;
/* If embedded window, let the parent process keys */
if( sys->parent_window )
{
WinPostMsg( sys->parent, msg, mp1, mp2 );
break;
}
if( !( i_flags & KC_KEYUP ))
{
if( i_flags & KC_VIRTUALKEY )
/* convert the key if possible */
i_key = ConvertKey( i_vk );
else if(( i_flags & KC_CHAR ) && !HIBYTE( i_ch ))
i_key = tolower( i_ch );
if( i_key )
{
if( i_flags & KC_SHIFT )
i_key |= KEY_MODIFIER_SHIFT;
if( i_flags & KC_CTRL )
i_key |= KEY_MODIFIER_CTRL;
if( i_flags & KC_ALT )
i_key |= KEY_MODIFIER_ALT;
vout_display_SendEventKey(vd, i_key);
}
}
break;
}
/* Process Manage() call */
case WM_VLC_MANAGE :
break;
/* Fullscreen change */
case WM_VLC_FULLSCREEN_CHANGE :
if( LONGFROMMP( mp1 ))
{
WinQueryWindowPos( sys->frame, &swp );
sys->client_rect.xLeft = swp.x;
sys->client_rect.yBottom = swp.y;
sys->client_rect.xRight = sys->client_rect.xLeft + swp.cx;
sys->client_rect.yTop = sys->client_rect.yBottom + swp.cy;
WinCalcFrameRect( sys->frame, &sys->client_rect, TRUE );
rcl.xLeft = 0;
rcl.yBottom = 0;
rcl.xRight = sys->i_screen_width;
rcl.yTop = sys->i_screen_height;
}
else
rcl = sys->client_rect;
WinCalcFrameRect( sys->frame, &rcl, FALSE );
WinSetWindowPos( sys->frame, HWND_TOP,
rcl.xLeft, rcl.yBottom,
rcl.xRight - rcl.xLeft, rcl.yTop - rcl.yBottom,
SWP_MOVE | SWP_SIZE | SWP_ZORDER | SWP_SHOW |
SWP_ACTIVATE );
break;
/* Size change */
case WM_VLC_SIZE_CHANGE :
rcl.xLeft = 0;
rcl.yBottom = 0;
rcl.xRight = LONGFROMMP( mp1 );
rcl.yTop = LONGFROMMP( mp2 );
WinCalcFrameRect( sys->frame, &rcl, FALSE );
WinSetWindowPos( sys->frame, NULLHANDLE,
0, 0,
rcl.xRight - rcl.xLeft, rcl.yTop - rcl.yBottom,
SWP_SIZE );
WinQueryWindowPos( sys->frame, &swp );
sys->client_rect.xLeft = swp.x;
sys->client_rect.yBottom = swp.y;
sys->client_rect.xRight = sys->client_rect.xLeft + swp.cx;
sys->client_rect.yTop = sys->client_rect.yBottom + swp.cy;
WinCalcFrameRect( sys->frame, &sys->client_rect, TRUE );
break;
default :
return WinDefWindowProc( hwnd, msg, mp1, mp2 );
}
/* If embedded window, we need to change our window size according to a
* parent window size */
if( sys->parent_window )
{
WinQueryWindowRect( sys->parent, &rcl );
if( rcl.xLeft != sys->parent_rect.xLeft ||
rcl.yBottom != sys->parent_rect.yBottom ||
rcl.xRight != sys->parent_rect.xRight ||
rcl.yTop != sys->parent_rect.yTop)
{
sys->parent_rect = rcl;
WinCalcFrameRect( sys->frame, &rcl, FALSE );
WinSetWindowPos( sys->frame, NULLHANDLE,
rcl.xLeft, rcl.yBottom,
rcl.xRight - rcl.xLeft, rcl.yTop - rcl.yBottom,
SWP_SIZE | SWP_MOVE );
}
}
return result;
}