ws.c

uclinux下mplayer的源码

 if ( D & wsMinSize )
  {
   win->SizeHint.flags|=PMinSize;
   win->SizeHint.min_width=win->Width;
   win->SizeHint.min_height=win->Height;
  }
 if ( D & wsMaxSize )
  {
   win->SizeHint.flags|=PMaxSize;
   win->SizeHint.max_width=win->Width;
   win->SizeHint.max_height=win->Height;
  }

 win->SizeHint.height_inc=1;
 win->SizeHint.width_inc=1;
 win->SizeHint.base_width=win->Width;
 win->SizeHint.base_height=win->Height;
 win->SizeHint.win_gravity=StaticGravity;
 XSetWMNormalHints( wsDisplay,win->WindowID,&win->SizeHint );

 win->WMHints.flags=InputHint | StateHint;
 win->WMHints.input=True;
 win->WMHints.initial_state=NormalState;
 XSetWMHints( wsDisplay,win->WindowID,&win->WMHints );

 wsWindowDecoration( win,win->Decorations );
 XStoreName( wsDisplay,win->WindowID,label );
 XmbSetWMProperties( wsDisplay,win->WindowID,label,label,NULL,0,NULL,NULL,NULL );

 XSetWMProtocols( wsDisplay,win->WindowID,win->AtomsProtocols,3 );
 XChangeProperty( wsDisplay,win->WindowID,
                  win->AtomLeaderClient,
                  XA_WINDOW,32,PropModeReplace,
                  (unsigned char *)&LeaderWindow,1 );

 wsTextProperty.value=label;
 wsTextProperty.encoding=XA_STRING;
 wsTextProperty.format=8;
 wsTextProperty.nitems=strlen( label );
 XSetWMIconName( wsDisplay,win->WindowID,&wsTextProperty );

 win->wGC=XCreateGC( wsDisplay,win->WindowID,
  GCForeground | GCBackground,
  &win->wGCV );

 win->Visible=0;
 win->Focused=0;
 win->Mapped=0;
 win->Rolled=0;
 if ( D & wsShowWindow ) XMapWindow( wsDisplay,win->WindowID );

 wsCreateImage( win,win->Width,win->Height );
// --- End of creating --------------------------------------------------------------------------

 {
  int i;
  for ( i=0;i < wsWLCount;i++ )
   if ( wsWindowList[i] == NULL ) break;
  if ( i == wsWLCount )
   {  mp_msg( MSGT_GPLAYER,MSGL_FATAL,MSGTR_WS_TooManyOpenWindows ); exit( 0 ); }
  wsWindowList[i]=win;
 }

 XFlush( wsDisplay );
 XSync( wsDisplay,False );

 win->ReDraw=NULL;
 win->ReSize=NULL;
 win->Idle=NULL;
 win->MouseHandler=NULL;
 win->KeyHandler=NULL;
 mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[ws] window is created. ( %s ).\n",label );
}

void wsDestroyWindow( wsTWindow * win )
{
 int l;
 l=wsSearch( win->WindowID );
 wsWindowList[l]=NULL;
 if ( win->wsCursor != None )
   {
    XFreeCursor( wsDisplay,win->wsCursor );
    win->wsCursor=None;
   }
 XFreeGC( wsDisplay,win->wGC );
 XUnmapWindow( wsDisplay,win->WindowID );
 wsDestroyImage( win );
 XDestroyWindow( wsDisplay,win->WindowID );
#if 0
 win->ReDraw=NULL;
 win->ReSize=NULL;
 win->Idle=NULL;
 win->MouseHandler=NULL;
 win->KeyHandler=NULL;
 win->Visible=0;
 win->Focused=0;
 win->Mapped=0;
 win->Rolled=0;
#endif
}

// ----------------------------------------------------------------------------------------------
//   Handle events.
// ----------------------------------------------------------------------------------------------

inline int wsSearch( Window win )
{
 int i;
 for ( i=0;i<wsWLCount;i++ ) if ( wsWindowList[i] && wsWindowList[i]->WindowID == win ) return i;
 return -1;
}

Bool wsEvents( Display * display,XEvent * Event,XPointer arg )
{
 unsigned long i = 0;
 int           l;
 int           x,y;
 Window        child_window = 0;

 l=wsSearch( Event->xany.window );
 if ( l == -1 ) return !wsTrue;
 wsWindowList[l]->State=0;
 switch( Event->type )
  {
   case ClientMessage:
        if ( Event->xclient.message_type == wsWindowList[l]->AtomProtocols )
         {
          if ( (Atom)Event->xclient.data.l[0] == wsWindowList[l]->AtomDeleteWindow )
           { i=wsWindowClosed; goto expose; }
          if ( (Atom)Event->xclient.data.l[0] == wsWindowList[l]->AtomTakeFocus )
           { i=wsWindowFocusIn;  wsWindowList[l]->Focused=wsFocused; goto expose; }
          if ( (Atom)Event->xclient.data.l[0] == wsWindowList[l]->AtomRolle )
           { mp_msg( MSGT_GPLAYER,MSGL_V,"[ws] role set.\n" ); }
         } else {
	   /* try to process DND events */
	   wsXDNDProcessClientMessage(wsWindowList[l],&Event->xclient);
	 }
        break;

   case MapNotify:   i=wsWindowMapped;   wsWindowList[l]->Mapped=wsMapped;   goto expose;
   case UnmapNotify: i=wsWindowUnmapped; wsWindowList[l]->Mapped=wsNone;     goto expose;
   case FocusIn:
        if ( wsWindowList[l]->Focused == wsFocused ) break;
        i=wsWindowFocusIn;
        wsWindowList[l]->Focused=wsFocused;
        goto expose;
   case FocusOut:
        if ( wsWindowList[l]->Focused == wsNone ) break;
        i=wsWindowFocusOut;
        wsWindowList[l]->Focused=wsNone;
        goto expose;
   case VisibilityNotify:
        switch( Event->xvisibility.state )
         {
          case VisibilityUnobscured:        i=wsWindowVisible;        wsWindowList[l]->Visible=wsVisible;    goto expose;
          case VisibilityFullyObscured:     i=wsWindowNotVisible;     wsWindowList[l]->Visible=wsNotVisible; goto expose;
          case VisibilityPartiallyObscured: i=wsWindowPartialVisible; wsWindowList[l]->Visible=wsPVisible;   goto expose;
         }
expose:
        wsWindowList[l]->State=i;
        if ( wsWindowList[l]->ReDraw ) wsWindowList[l]->ReDraw();
        break;

   case Expose:
        wsWindowList[l]->State=wsWindowExpose;
        if ( ( wsWindowList[l]->ReDraw )&&( !Event->xexpose.count ) ) wsWindowList[l]->ReDraw();
        break;

   case ConfigureNotify:
        XTranslateCoordinates( wsDisplay,wsWindowList[l]->WindowID,wsRootWin,0,0,&x,&y,&child_window );
        if ( ( wsWindowList[l]->X != x )||( wsWindowList[l]->Y != y )||( wsWindowList[l]->Width != Event->xconfigure.width )||( wsWindowList[l]->Height != Event->xconfigure.height ) )
          {
           wsWindowList[l]->X=x; wsWindowList[l]->Y=y;
           wsWindowList[l]->Width=Event->xconfigure.width; wsWindowList[l]->Height=Event->xconfigure.height;
           if ( wsWindowList[l]->ReSize ) wsWindowList[l]->ReSize( wsWindowList[l]->X,wsWindowList[l]->Y,wsWindowList[l]->Width,wsWindowList[l]->Height );
          }

        wsWindowList[l]->Rolled=wsNone;
        if ( Event->xconfigure.y < 0 )
          { i=wsWindowRolled; wsWindowList[l]->Rolled=wsRolled; goto expose; }

        break;

   case KeyPress:   i=wsKeyPressed;  goto keypressed;
   case KeyRelease: i=wsKeyReleased;
keypressed:
        wsWindowList[l]->Alt=0;
        wsWindowList[l]->Shift=0;
        wsWindowList[l]->NumLock=0;
        wsWindowList[l]->Control=0;
        wsWindowList[l]->CapsLock=0;
        if ( Event->xkey.state & Mod1Mask ) wsWindowList[l]->Alt=1;
        if ( Event->xkey.state & Mod2Mask ) wsWindowList[l]->NumLock=1;
        if ( Event->xkey.state & ControlMask ) wsWindowList[l]->Control=1;
        if ( Event->xkey.state & ShiftMask ) wsWindowList[l]->Shift=1;
        if ( Event->xkey.state & LockMask ) wsWindowList[l]->CapsLock=1;
#if 0
        {
	 KeySym        keySym;
         keySym=XKeycodeToKeysym( wsDisplay,Event->xkey.keycode,0 );
         if ( keySym != NoSymbol )
          {
           keySym=( (keySym&0xff00) != 0?( (keySym&0x00ff) + 256 ):( keySym ) );
           wsKeyTable[ keySym ]=i;
           if ( wsWindowList[l]->KeyHandler )
             wsWindowList[l]->KeyHandler( Event->xkey.state,i,keySym );
          }
	}
#else
	{
        	int    		key;
		char   		buf[100];
		KeySym 		keySym;
	 static XComposeStatus  stat;

	 XLookupString( &Event->xkey,buf,sizeof(buf),&keySym,&stat );
	 key=( (keySym&0xff00) != 0?( (keySym&0x00ff) + 256 ):( keySym ) );
	 wsKeyTable[ key ]=i;
	 if ( wsWindowList[l]->KeyHandler ) wsWindowList[l]->KeyHandler( Event->xkey.keycode,i,key );
	}
#endif
        break;

   case MotionNotify:
     i=wsMoveMouse;
     {
       /* pump all motion events from the display queue:
	  this way it works faster when moving the window */
      static XEvent e;
      if ( Event->xmotion.state )
       {
        while(XCheckTypedWindowEvent(display,Event->xany.window,MotionNotify,&e)){
	 /* FIXME: need to make sure we didn't release/press the button in between...*/
	 /* FIXME: do we need some timeout here to make sure we don't spend too much time
	    removing events from the queue? */
	 Event = &e;
        }
       }
     }
     goto buttonreleased;
   case ButtonRelease: i=Event->xbutton.button + 128; goto buttonreleased;
   case ButtonPress:   i=Event->xbutton.button;       goto buttonreleased;
   case EnterNotify:   i=wsEnterWindow;               goto buttonreleased;
   case LeaveNotify:   i=wsLeaveWindow;
buttonreleased:
        if ( wsWindowList[l]->MouseHandler )
          wsWindowList[l]->MouseHandler( i,Event->xbutton.x,Event->xbutton.y,Event->xmotion.x_root,Event->xmotion.y_root );
        break;

   case SelectionNotify:
     /* Handle DandD */
     wsXDNDProcessSelection(wsWindowList[l],Event);
     break;
  }
 XFlush( wsDisplay );
 XSync( wsDisplay,False );
 return !wsTrue;
}

Bool wsDummyEvents( Display * display,XEvent * Event,XPointer arg )
{ return True; }

void wsHandleEvents( void ){
 // handle pending events
 while ( XPending(wsDisplay) ){
   XNextEvent( wsDisplay,&wsEvent );
//   printf("### X event: %d  [%d]\n",wsEvent.type,delay);
   wsEvents( wsDisplay,&wsEvent,NULL );
 }
}

void wsMainLoop( void )
{
 int delay=20;
 mp_msg( MSGT_GPLAYER,MSGL_V,"[ws] init threads: %d\n",XInitThreads() );
 XSynchronize( wsDisplay,False );
 XLockDisplay( wsDisplay );
// XIfEvent( wsDisplay,&wsEvent,wsEvents,NULL );

#if 1

while(wsTrue){
 // handle pending events
 while ( XPending(wsDisplay) ){
   XNextEvent( wsDisplay,&wsEvent );
   wsEvents( wsDisplay,&wsEvent,NULL );
   delay=0;
 }
 usleep(delay*1000); // FIXME!
 if(delay<10*20) delay+=20; // pump up delay up to 0.2 sec (low activity)
}

#else

 while( wsTrue )
  {
   XIfEvent( wsDisplay,&wsEvent,wsDummyEvents,NULL );
   wsEvents( wsDisplay,&wsEvent,NULL );
  }
#endif

 XUnlockDisplay( wsDisplay );
}

// ----------------------------------------------------------------------------------------------
//    Move window to selected layer
// ----------------------------------------------------------------------------------------------

#define WIN_LAYER_ONBOTTOM               2
#define WIN_LAYER_NORMAL                 4
#define WIN_LAYER_ONTOP                 10

void wsSetLayer( Display * wsDisplay, Window win, int layer )
{ vo_x11_setlayer( wsDisplay,win,layer ); }

// ----------------------------------------------------------------------------------------------
//    Switch to fullscreen.
// ----------------------------------------------------------------------------------------------
void wsFullScreen( wsTWindow * win )
{
 int decoration = 0;

 if ( win->isFullScreen )
  {
   vo_x11_ewmh_fullscreen( _NET_WM_STATE_REMOVE ); // removes fullscreen state if wm supports EWMH
   if ( ! (vo_fs_type & vo_wm_FULLSCREEN) ) // shouldn't be needed with EWMH fs
    {
     win->X=win->OldX;
     win->Y=win->OldY;
     win->Width=win->OldWidth;
     win->Height=win->OldHeight;
     decoration=win->Decorations;
    }

#ifdef ENABLE_DPMS
   wsScreenSaverOn( wsDisplay );
#endif

   win->isFullScreen=False;
  }
  else
   {
    if ( ! (vo_fs_type & vo_wm_FULLSCREEN) ) // shouldn't be needed with EWMH fs
     {
      win->OldX=win->X; win->OldY=win->Y;
      win->OldWidth=win->Width; win->OldHeight=win->Height;
      vo_dx = win->X; vo_dy = win->Y;
      vo_dwidth = win->Width; vo_dheight = win->Height;
      vo_screenwidth = wsMaxX; vo_screenheight = wsMaxY;
      xinerama_x = wsOrgX; xinerama_y = wsOrgY;
      update_xinerama_info();
      wsMaxX = vo_screenwidth; wsMaxY = vo_screenheight;
      wsOrgX = xinerama_x; wsOrgY = xinerama_y;
      win->X=wsOrgX; win->Y=wsOrgY;
      win->Width=wsMaxX; win->Height=wsMaxY;
     }

    win->isFullScreen=True;
#ifdef ENABLE_DPMS
    wsScreenSaverOff( wsDisplay );
#endif
    
     vo_x11_ewmh_fullscreen( _NET_WM_STATE_ADD ); // adds fullscreen state if wm supports EWMH
   }

  if ( ! (vo_fs_type & vo_wm_FULLSCREEN) ) // shouldn't be needed with EWMH fs
   {
    vo_x11_decoration( wsDisplay,win->WindowID,decoration );
    vo_x11_sizehint( win->X,win->Y,win->Width,win->Height,0 );
    vo_x11_setlayer( wsDisplay,win->WindowID,win->isFullScreen );

    if ((!(win->isFullScreen)) & vo_ontop) vo_x11_setlayer(wsDisplay, win->WindowID,1);

    XMoveResizeWindow( wsDisplay,win->WindowID,win->X,win->Y,win->Width,win->Height );
   }

 if ( vo_wm_type == 0 && !(vo_fsmode&16) )
  {
   XWithdrawWindow( wsDisplay,win->WindowID,wsScreen );
  }


 XMapRaised( wsDisplay,win->WindowID );
 XRaiseWindow( wsDisplay,win->WindowID );
 XFlush( wsDisplay );
}

// ----------------------------------------------------------------------------------------------
//    Redraw screen.
// ----------------------------------------------------------------------------------------------
void wsPostRedisplay( wsTWindow * win )
{
 if ( win->ReDraw )
  {
   win->State=wsWindowExpose;
   win->ReDraw();
   XFlush( wsDisplay );
  }
}

// ----------------------------------------------------------------------------------------------
//    Do Exit.
// ----------------------------------------------------------------------------------------------
void wsDoExit( void )
{ wsTrue=False; wsResizeWindow( wsWindowList[0],32,32 ); }

// ----------------------------------------------------------------------------------------------
//    Put 'Image' to window.
// ----------------------------------------------------------------------------------------------
void wsConvert( wsTWindow * win,unsigned char * Image,unsigned int Size )
{
  int i;
  if ( wsConvFunc )
    wsConvFunc( Image,win->ImageData,win->xImage->width * win->xImage->height * 4 );
  if (!wsNonNativeOrder) return;
  switch (win->xImage->bits_per_pixel) {
    case 32:
    {
      uint32_t *d = win->ImageData;
      for (i = 0; i < win->xImage->width * win->xImage->height; i++)
        d[i] = bswap_32(d[i]);
      break;
    }
    case 16:
    case 15:
    {
      uint16_t *d = win->ImageData;
      for (i = 0; i < win->xImage->width * win->xImage->height; i++)
        d[i] = bswap_16(d[i]);
      break;
    }
  }