Method DrawDropdown

Source/DropdownList.cpp:233–309

}

void DropdownList::DrawDropdown(int w, int h, bool isScrolling)
{
   ofPushStyle();

   if (isScrolling)
      mModalList.SetDimensions(mMaxItemWidth, (int)mElements.size() * kItemSpacing);

   int hoverIndex = -1;
   float dropdownW, dropdownH;
   mModalList.GetDimensions(dropdownW, dropdownH);
   if (mModalList.GetMouseX() >= 0 && mModalList.GetMouseY() >= 0 && mModalList.GetMouseX() < dropdownW && mModalList.GetMouseY() < dropdownH)
      hoverIndex = GetItemIndexAt(mModalList.GetMouseX(), mModalList.GetMouseY());

   int maxPerColumn = mMaxPerColumn;
   int displayColumns = mDisplayColumns;
   int totalColumns = mTotalColumns;
   int currentPagedColumn = mCurrentPagedColumn;
   if (isScrolling)
   {
      maxPerColumn = 9999;
      displayColumns = 1;
      totalColumns = 1;
      mCurrentPagedColumn = 0;
   }

   bool paged = (displayColumns < totalColumns);
   float pageHeaderShift = (paged ? kPageBarSpacing : 0);
   mModalList.SetShowPagingControls(paged);

   ofSetColor(0, 0, 0);
   ofFill();
   ofRect(0, 0, w, h);
   for (int i = 0; i < mElements.size(); ++i)
   {
      int col = i / maxPerColumn - currentPagedColumn;

      if (col < 0)
         continue;

      if (col >= displayColumns)
         break;

      if (i == hoverIndex)
      {
         ofSetColor(100, 100, 100, 100);
         ofRect(mMaxItemWidth * col, (i % maxPerColumn) * kItemSpacing + pageHeaderShift, mMaxItemWidth, kItemSpacing);
      }

      if (VectorContains(i, mSeparators))
      {
         ofPushStyle();
         ofSetColor(100, 100, 100, 100);
         ofSetLineWidth(1);
         ofLine(mMaxItemWidth * col + 3, (i % maxPerColumn) * kItemSpacing + pageHeaderShift, mMaxItemWidth * (col + 1) - 3, (i % maxPerColumn) * kItemSpacing + pageHeaderShift);
         ofPopStyle();
      }

      if (mVar && mElements[i].mValue == *mVar)