Method HandleEscapeKey

src/toolbars/ToolManager.cpp:1459–1486

void ToolManager::HandleEscapeKey()
{
   if (mDragBar) {
      if(mPrevDock) {
         // Sheriff John Stone,
         // Why don't you leave me alone?
         // Well, I feel so break up
         // I want to go home.
         mPrevDock->RestoreConfiguration(mPrevConfiguration);
         mPrevDock->Dock( mDragBar, true, mPrevSlot );
         Updated();

         // Done with the floater
         mDragWindow->ClearBar();
         mDragWindow->Destroy();
         mDragWindow = nullptr;
         mDragBar->Refresh(false);
      }
      else {
         // Floater remains, and returns to where it begain
         auto parent = mDragBar->GetParent();
         parent->SetPosition(mPrevPosition);
         mDragBar->SetDocked(NULL, false);
      }

      DoneDragging();
   }
}

void ToolManager::DoneDragging()
{