Method onRender

Engine/source/gui/core/guiArrayCtrl.cpp:235–363

//-----------------------------------------------------------------------------

void GuiArrayCtrl::onRender(Point2I offset, const RectI &updateRect)
{
   // The unmodified offset which was passed into this method.
   const Point2I inOffset( offset );

   //Parent::onRender( offset, updateRect );

   // We render our fill, borders, and child controls ourself.
   // This allows us to render child controls after we render cells,
   // so child controls appear on-top, as they should.   

   // Render our fill and borders.
   // This code from GuiControl::onRender().
   {      
      RectI ctrlRect(offset, getExtent());

      //if opaque, fill the update rect with the fill color
      if ( mProfile->mOpaque )
         GFX->getDrawUtil()->drawRectFill(ctrlRect, mProfile->mFillColor);

      //if there's a border, draw the border
      if ( mProfile->mBorder )
         renderBorder(ctrlRect, mProfile);
   }

   //make sure we have a parent
   GuiControl *parent = getParent();
   if (! parent)
      return;

   S32 i, j;
   RectI headerClip;
   RectI clipRect(updateRect.point, updateRect.extent);

   Point2I parentOffset = parent->localToGlobalCoord(Point2I(0, 0));

   //if we have column headings
   if (mHeaderDim.y > 0)
   {
      headerClip.point.x =   parentOffset.x + mHeaderDim.x;
      headerClip.point.y =   parentOffset.y;
      headerClip.extent.x =  clipRect.extent.x;// - headerClip.point.x; // This seems to fix some strange problems with some Gui's, bug? -pw
      headerClip.extent.y =  mHeaderDim.y;

      if (headerClip.intersect(clipRect))
      {
         GFX->setClipRect(headerClip);

         //now render the header
         onRenderColumnHeaders(offset, parentOffset, mHeaderDim);

         clipRect.point.y += headerClip.extent.y;
         clipRect.extent.y -= headerClip.extent.y;
      }
      offset.y += mHeaderDim.y;
   }

   //if we have row headings