C++ Position::getIndexInLine方法代码示例

void CodeEditorComponent::mouseDoubleClick (const MouseEvent& e)
{
    CodeDocument::Position tokenStart (getPositionAt (e.x, e.y));
    CodeDocument::Position tokenEnd (tokenStart);

    if (e.getNumberOfClicks() > 2)
    {
        tokenStart.setLineAndIndex (tokenStart.getLineNumber(), 0);
        tokenEnd.setLineAndIndex (tokenStart.getLineNumber() + 1, 0);
    }
    else
    {
        while (CharacterFunctions::isLetterOrDigit (tokenEnd.getCharacter()))
            tokenEnd.moveBy (1);

        tokenStart = tokenEnd;

        while (tokenStart.getIndexInLine() > 0
                && CharacterFunctions::isLetterOrDigit (tokenStart.movedBy (-1).getCharacter()))
            tokenStart.moveBy (-1);
    }

    moveCaretTo (tokenEnd, false);
    moveCaretTo (tokenStart, true);
}

void GenericCodeEditorComponent::findNext (bool forwards, bool skipCurrentSelection)
{
	const Range<int> highlight (getHighlightedRegion());
	const CodeDocument::Position startPos (getDocument(), skipCurrentSelection ? highlight.getEnd()
		: highlight.getStart());
	int lineNum = startPos.getLineNumber();
	int linePos = startPos.getIndexInLine();

	const int totalLines = getDocument().getNumLines();
	const String searchText (getSearchString());
	const bool caseSensitive = isCaseSensitiveSearch();

	for (int linesToSearch = totalLines; --linesToSearch >= 0;)
	{
		String line (getDocument().getLine (lineNum));
		int index;

		if (forwards)
		{
			index = caseSensitive ? line.indexOf (linePos, searchText)
				: line.indexOfIgnoreCase (linePos, searchText);
		}
		else
		{
			if (linePos >= 0)
				line = line.substring (0, linePos);

			index = caseSensitive ? line.lastIndexOf (searchText)
				: line.lastIndexOfIgnoreCase (searchText);
		}

		if (index >= 0)
		{
			const CodeDocument::Position p (getDocument(), lineNum, index);
			selectRegion (p, p.movedBy (searchText.length()));
			break;
		}

		if (forwards)
		{
			linePos = 0;
			lineNum = (lineNum + 1) % totalLines;
		}
		else
		{
			if (--lineNum < 0)
				lineNum = totalLines - 1;

			linePos = -1;
		}
	}
}

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;
}

const Rectangle CodeEditorComponent::getCharacterBounds (const CodeDocument::Position& pos) const throw()
{
    return Rectangle (roundToInt ((gutter - xOffset * charWidth) + indexToColumn (pos.getLineNumber(), pos.getIndexInLine()) * charWidth),
                      (pos.getLineNumber() - firstLineOnScreen) * lineHeight,
                      roundToInt (charWidth),
                      lineHeight);
}

bool CtrlrLuaMethodCodeEditor::keyPressed (const KeyPress &key, Component *originatingComponent)
{
    if (key.getModifiers().isCommandDown() )
	{
		if(key.getKeyCode() == 9)
		{
			owner.keyPressed (key, originatingComponent);
			return (true);
		}
		if (key.getKeyCode() == 83) // CTRL + S
		{
			saveDocument();
			return (true);
		}
		if (CharacterFunctions::toUpperCase ((juce_wchar) (key.getKeyCode())) == 70) // CTRL + F
		{
			// Show search Dialog
			editorComponent->showFindPanel();
			return (true);
		}
		if (CharacterFunctions::toUpperCase ((juce_wchar) (key.getKeyCode())) == 71) // CTRL + G
		{
			// Show Go To Dialog
			editorComponent->showGoTOPanel();
			return (true);
		}
		if (CharacterFunctions::toUpperCase ((juce_wchar) (key.getKeyCode())) == 72) // CTRL + H
		{
			// Show search Dialog
			editorComponent->showFindPanel(true);
			return (true);
		}

		if (key.getKeyCode() == KeyPress::deleteKey) // CTRL + Delete
		{
			owner.keyPressed(key, originatingComponent);
			return (true);
		}

		// search selected previous in current
		if (key.getModifiers().isShiftDown()
			&& key.getKeyCode() == KeyPress::F3Key) // CTRL + SHIFT + F3
		{
			editorComponent->findSelection(false);
			return (true);
		}
	}

	// search selected next in current
	if (key.getModifiers().isShiftDown() && key.getKeyCode() == KeyPress::F3Key) // SHIFT + F3
	{
		editorComponent->findSelection(true);
		return (true);
	}

	if (key.getKeyCode() == KeyPress::F7Key)
	{
		saveAndCompileDocument();
		return (true);
	}

	if (key.getKeyCode() == KeyPress::F8Key)
	{
		owner.saveAndCompilAllMethods();
		return (true);
	}

	CodeDocument::Position pos = editorComponent->getCaretPos();
	owner.setPositionLabelText ("Line:  " + String(pos.getLineNumber()+1) + " Column: " + String(pos.getIndexInLine()));
	return (false);
}

bool CtrlrLuaMethodCodeEditor::keyStateChanged (bool isKeyDown, Component *originatingComponent)
{
	CodeDocument::Position pos = editorComponent->getCaretPos();
	owner.setPositionLabelText ("Line:  " + String(pos.getLineNumber()+1) + " Column: " + String(pos.getIndexInLine()));
	return (false);
}

void CtrlrLuaMethodCodeEditor::mouseDown (const MouseEvent &e)
{
	CodeDocument::Position pos = editorComponent->getCaretPos();
	String url;
	if (isMouseOverUrl (pos, &url))
	{
		URL(url).launchInDefaultBrowser();
	}
	owner.setPositionLabelText ("Line:  " + String(pos.getLineNumber()+1) + " Column: " + String(pos.getIndexInLine()));
}