コード例 #1
0
const CodeDocument::Position CodeEditorComponent::getPositionAt (int x, int y)
{
    const int line = y / lineHeight + firstLineOnScreen;
    const int column = roundToInt ((x - (gutter - xOffset * charWidth)) / charWidth);
    const int index = columnToIndex (line, column);

    return CodeDocument::Position (&document, line, index);
}
コード例 #2
0
void CodeEditorComponent::moveLineDelta (const int delta, const bool selecting)
{
    CodeDocument::Position pos (caretPos);
    const int newLineNum = pos.getLineNumber() + delta;

    if (columnToTryToMaintain < 0)
        columnToTryToMaintain = indexToColumn (pos.getLineNumber(), pos.getIndexInLine());

    pos.setLineAndIndex (newLineNum, columnToIndex (newLineNum, columnToTryToMaintain));

    const int colToMaintain = columnToTryToMaintain;
    moveCaretTo (pos, selecting);
    columnToTryToMaintain = colToMaintain;
}
コード例 #3
0
bool CodeEditorComponent::skipBackwardsToPreviousTab()
{
    const String currentLineText (caretPos.getLineText().removeCharacters ("\r\n"));
    const int currentIndex = caretPos.getIndexInLine();

    if (currentLineText.isNotEmpty() && currentLineText.length() == currentIndex)
    {
        const int currentLine = caretPos.getLineNumber();
        const int currentColumn = indexToColumn (currentLine, currentIndex);
        const int previousTabColumn = (currentColumn - 1) - ((currentColumn - 1) % spacesPerTab);
        const int previousTabIndex = columnToIndex (currentLine, previousTabColumn);

        if (currentLineText.substring (previousTabIndex, currentIndex).trim().isEmpty())
        {
            selectionStart.moveBy (previousTabIndex - currentIndex);
            return true;
        }
    }

    return false;
}