Method findMouseOverVariable

Engine/source/gui/editor/guiDebugger.cpp:420–500

}

bool DbgFileView::findMouseOverVariable()
{
   GuiCanvas *root = getRoot();
   AssertFatal(root, "Unable to get the root Canvas.");

   Point2I curMouse = root->getCursorPos();
   Point2I pt = globalToLocalCoord(curMouse);

   //find out which cell was hit
   Point2I cell((pt.x < 0 ? -1 : pt.x / mCellSize.x), (pt.y < 0 ? -1 : pt.y / mCellSize.y));
   if(cell.x >= 0 && cell.x < mSize.x && cell.y >= 0 && cell.y < mSize.y)
   {
      S32 stringPosition = pt.x - gFileXOffset;
      char tempBuf[256], *varNamePtr = &tempBuf[1];
      dStrcpy(tempBuf, mFileView[cell.y].text);

      //find the current mouse over char
      S32 charNum = findMouseOverChar(mFileView[cell.y].text, stringPosition);
      if (charNum >= 0)
      {
         varNamePtr = &tempBuf[charNum];
      }
      else
      {
         mMouseOverVariable[0] = '\0';
         mMouseOverValue[0] = '\0';
         return false;
      }

      //now make sure we can go from the current cursor mPosition to the beginning of a var name
      bool found = false;
      while (varNamePtr >= &tempBuf[0])
      {
         if (*varNamePtr == '%' || *varNamePtr == '$')
         {
            found = true;
            break;
         }
         else if ((dToupper(*varNamePtr) >= 'A' && dToupper(*varNamePtr) <= 'Z') ||
                  (*varNamePtr >= '0' && *varNamePtr <= '9') || *varNamePtr == '_' || *varNamePtr == ':')
         {
            varNamePtr--;
         }
         else
         {
            break;
         }
      }

      //mouse wasn't over a possible variable name
      if (! found)
      {
         mMouseOverVariable[0] = '\0';
         mMouseOverValue[0] = '\0';
         return false;
      }

      //set the var char start positions