Exemplo n.º 1
0
    void TextBox::scrollToCaret()
    {
        Widget *par = getParent();
        if (par == NULL)
        {
            return;
        }

        ScrollArea* scrollArea = dynamic_cast<ScrollArea *>(par);
        if (scrollArea != NULL)
        {
            Rectangle scroll;
            scroll.x = getFont()->getWidth(mTextRows[mCaretRow].substr(0, mCaretColumn));
            scroll.y = getFont()->getHeight() * mCaretRow;
            scroll.width = 6;
            scroll.height = getFont()->getHeight() + 2; // add 2 for some extra space
            scrollArea->scrollToRectangle(scroll);
        }
    }
Exemplo n.º 2
0
    void ListBox::setSelected(int selected)
    {
        if (mListModel == NULL)
        {
            mSelected = -1;
        }
        else
        {
            if (selected < 0)
            {
                mSelected = -1;
            }
            else if (selected >= mListModel->getNumberOfElements())
            {
                mSelected = mListModel->getNumberOfElements() - 1;
            }
            else
            {
                mSelected = selected;
            }

            Widget *par = getParent();
            if (par == NULL)
            {
                return;
            }            
            
            ScrollArea* scrollArea = dynamic_cast<ScrollArea *>(par);
            if (scrollArea != NULL)
            {
                Rectangle scroll;
                scroll.y = getFont()->getHeight() * mSelected;
                scroll.height = getFont()->getHeight();
                scrollArea->scrollToRectangle(scroll);
            }
        }
        setDirty(true);
    }