void ScCodeEditor::moveToNextToken( QTextCursor & cursor, QTextCursor::MoveMode mode )
{
    if (cursor.atBlockEnd()) {
        cursor.movePosition( QTextCursor::NextCharacter, mode );
        return;
    }

    QTextBlock block( cursor.block() );
    QString blockText = block.text();
    int positionInBlock = cursor.position() - block.position();

    // go to end of token or end of word
    TokenIterator tokenIt( block, positionInBlock );
    if (tokenIt.isValid())
        positionInBlock = tokenIt->positionInBlock + tokenIt->length;
    else {
        int pos = positionInBlock;
        if (blockText[pos].isLetterOrNumber()) {
            ++pos;
            while (pos < blockText.size() && blockText[pos].isLetterOrNumber())
                ++pos;
        } else {
            ++pos;
        }
        positionInBlock = pos;
    }

    // skip whitespace
    while (positionInBlock < blockText.size() && blockText[positionInBlock].isSpace())
        ++positionInBlock;

    cursor.setPosition( positionInBlock + block.position(), mode );
}
QString ScriptEditorWidget::textUnderCursor() const
{
	QString szWord;
	QTextCursor tc = textCursor();
	if(tc.atBlockStart())
		return QString();
	tc.clearSelection();
	tc.movePosition(QTextCursor::StartOfWord,QTextCursor::KeepAnchor);
	if(tc.atBlockStart())
	{
		szWord.append(tc.selectedText());
		tc.movePosition(QTextCursor::EndOfWord,QTextCursor::KeepAnchor);
		szWord.append(tc.selectedText());
		if(tc.atBlockEnd()){
			return szWord;
		}
		tc.movePosition(QTextCursor::NextCharacter,QTextCursor::KeepAnchor);
		szWord.append(tc.selectedText());
		if(szWord.right(1)!=".")
			szWord.chop(1);
		return szWord;
	}

	tc.movePosition(QTextCursor::PreviousCharacter,QTextCursor::KeepAnchor);
	szWord=tc.selectedText();
	if(szWord.left(1)==".")
	{
		tc.movePosition(QTextCursor::StartOfWord);
		tc.movePosition(QTextCursor::PreviousCharacter);
		tc.movePosition(QTextCursor::PreviousWord);
		tc.movePosition(QTextCursor::EndOfWord,QTextCursor::KeepAnchor,1);
		szWord.prepend(tc.selectedText());
	} else szWord.remove(0,1);
	return szWord;
}
static bool isBlockOnlySelection(QTextCursor cursor)
{
    Q_ASSERT(cursor.hasSelection());

    QTextCursor begin(cursor);
    begin.setPosition(begin.anchor());

    if (begin.atBlockStart() && (cursor.atBlockStart() || cursor.atBlockEnd()))
        return true;
    else
        return false;
}
Exemple #4
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void GenericCodeEditor::handleKeyRightParentheses(QKeyEvent *event, QTextCursor &textCursor)
{
    if( !textCursor.atBlockEnd() ) {
        QTextCursor nextCharCursor( textCursor );
        nextCharCursor.movePosition( QTextCursor::NextCharacter, QTextCursor::KeepAnchor );

        if( nextCharCursor.selectedText() == event->text() ) {
            // don't insert, just move
            moveCursor( QTextCursor::NextCharacter );
            return;
        }
    }

    QPlainTextEdit::keyPressEvent( event );
}
Exemple #5
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bool TabSettings::tabShouldIndent(const QTextDocument *document, QTextCursor cursor, int *suggestedPosition) const
{
    if (m_tabKeyBehavior == TabNeverIndents)
        return false;
    QTextCursor tc = cursor;
    if (suggestedPosition)
        *suggestedPosition = tc.position(); // At least suggest original position
    tc.movePosition(QTextCursor::StartOfLine);
    if (tc.atBlockEnd()) // cursor was on a blank line
        return true;
    if (document->characterAt(tc.position()).isSpace()) {
        tc.movePosition(QTextCursor::WordRight);
        if (tc.columnNumber() >= cursor.columnNumber()) {
            if (suggestedPosition)
                *suggestedPosition = tc.position(); // Suggest position after whitespace
            if (m_tabKeyBehavior == TabLeadingWhitespaceIndents)
                return true;
        }
    }
    return (m_tabKeyBehavior == TabAlwaysIndents);
}
Exemple #6
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void SoTextEdit::keyPressEvent(QKeyEvent *input)
{
	QTextCursor cursor = textCursor();
	QString text;
	QStringList list;
	QTextBlock block;
	int position = 0;
//	int position_in_block = 0;
	int count;

	if (input->modifiers() != Qt::NoModifier &&
		input->modifiers() != Qt::ShiftModifier) {
		input->ignore();
		return;
	}

	switch (input->key()) {
	case Qt::Key_Shift:
	case Qt::Key_Control:
	case Qt::Key_unknown:
		input->ignore();
		return;
	case Qt::Key_BraceLeft:
		cursor.insertText(input->text(), colorFormat(default_color));
		std::cout << block_stack << std::endl;
		return;
	case Qt::Key_BraceRight:
		cursor.insertText("}");
		position = autoIndent(cursor);
		cursor.setPosition(position);
		setTextCursor(cursor);
		return;
	case Qt::Key_Return:
		emit returnPressed();

		position = cursor.position();

		cursor.movePosition(QTextCursor::NoMove, QTextCursor::MoveAnchor);
		cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::KeepAnchor);
		text = cursor.selectedText();
		for (count = 0; count <= text.size(); count++) {
			if (text[count] == QChar('{')) {
				block_stack++;
			} else if (text[count] == QChar('}')) {
				block_stack--;
			}
		}


		cursor.setPosition(position);

		if (cursor.atBlockEnd()) {
			cursor.insertText(input->text());
			position++;
		} else {
			cursor.setPosition(position + 1, QTextCursor::MoveAnchor);
			cursor.setPosition(position - 1, QTextCursor::KeepAnchor);
			text = cursor.selectedText();
			for (count = 0; count < exception->count(); count++) {
				if (text[0] == (*exception)[count][0] ||
					text[1] == (*exception)[count][0]) {
					cursor.setPosition(position);
					cursor.insertText(input->text());
					position = autoIndent(cursor);
					cursor.setPosition(position);
					setTextCursor(cursor);
					return;
				}
			}

			cursor.setPosition(position, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
			text = cursor.selectedText();
			switch (checkType(text)) {
			case t_TYPE:
				cursor.insertText(text, colorFormat(type_color));
				break;
			case t_KEYWORD:
				cursor.insertText(text, colorFormat(keyword_color));
				break;
			case t_DEFAULT:
				cursor.insertText(text, colorFormat(default_color));
			}

			cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
			text = cursor.selectedText();
			switch (checkType(text)) {
			case t_TYPE:
				cursor.insertText(text, colorFormat(type_color));
				break;
			case t_KEYWORD:
				cursor.insertText(text, colorFormat(keyword_color));
				break;
			case t_DEFAULT:
				cursor.insertText(text, colorFormat(default_color));
			}

			cursor.setPosition(position);
			cursor.insertText(input->text());
			position++;
		}

		position = autoIndent(cursor);
		cursor.setPosition(position);
		setTextCursor(cursor);
		return;

	case Qt::Key_Tab:
		cout << "tab" << endl;
		position = autoIndent(cursor);
		cursor.setPosition(position);
		setTextCursor(cursor);
		std::cout << "block_stack" << block_stack << std::endl;
		return;
	case Qt::Key_Left:
		if (cursor.atBlockStart()) {
			cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor);
			position = cursor.position();
			cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::KeepAnchor);
			text = cursor.selectedText();

			count = 0;
			while (count < text.size()) {
				if (text[count] == QChar('{')) {
					block_stack--;
				} else if (text[count] == QChar('}')) {
					block_stack++;
				}
				count++;
			}
			cursor.setPosition(position, QTextCursor::MoveAnchor);
		} else {
			cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor);
		}
		setTextCursor(cursor);
		std::cout << block_stack << std::endl;
		return;
	case Qt::Key_Right:
		if (cursor.atEnd()) {
			return;
		} else if (cursor.atBlockEnd()) {
			cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
			text = cursor.selectedText();

			count = 0;
			while (count < text.size()) {
				if (text[count] == QChar('{')) {
					block_stack++;
				} else if (text[count] == QChar('}')) {
					block_stack--;
				}
				count++;
			}
		}
		cursor.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor);
		setTextCursor(cursor);
		std::cout << block_stack << std::endl;
		return;
	case Qt::Key_Down:
		block = cursor.block();
		if ((block.blockNumber() + 1 ) == blockCount()) {
			return;
		} else {
			position = cursor.position();

			cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
			text = cursor.selectedText();

			count = 0;
			while (count < text.size()) {
				if (text[count] == QChar('{')) {
					block_stack++;
				} else if (text[count] == QChar('}')) {
					block_stack--;
				}
				count++;
			}

			cursor.setPosition(position);
			cursor.movePosition(QTextCursor::Down, QTextCursor::MoveAnchor);
			setTextCursor(cursor);
			std::cout << block_stack << std::endl;
			return;
		}
	case Qt::Key_Up:
		block = cursor.block();
		if (block.blockNumber() == 0) {
			return;
		} else {
			cursor.movePosition(QTextCursor::Up, QTextCursor::MoveAnchor);
			position = cursor.position();

			cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
			text = cursor.selectedText();

			count = 0;
			while (count < text.size()) {
				if (text[count] == QChar('{')) {
					block_stack--;
				} else if (text[count] == QChar('}')) {
					block_stack++;
				}
				count++;
			}

			cursor.setPosition(position);
			setTextCursor(cursor);
			std::cout << block_stack << std::endl;
			return;
		}
	case Qt::Key_Space:
		if (cursor.atBlockEnd()) {
			cursor.insertText(input->text());
			setTextCursor(cursor);
			return;
		} else {
			position = cursor.position();
			cursor.setPosition(position - 1, QTextCursor::MoveAnchor);
			cursor.setPosition(position + 1, QTextCursor::KeepAnchor);
			text = cursor.selectedText();

			for (count = 0; count < exception->count(); count++) {
				if (text[0] == (*exception)[count][0] ||
					text[1] == (*exception)[count][0]) {
					cursor.setPosition(position);
					cursor.insertText(input->text());
					setTextCursor(cursor);
					return;
				}
			}
			
			cursor.setPosition(position, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
			text = cursor.selectedText();
			switch (checkType(text)) {
			case t_TYPE:
				cursor.insertText(text, colorFormat(type_color));
				break;
			case t_KEYWORD:
				cursor.insertText(text, colorFormat(keyword_color));
				break;
			case t_DEFAULT:
				cursor.insertText(text, colorFormat(default_color));
			}

			cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
			text = cursor.selectedText();
			switch (checkType(text)) {
			case t_TYPE:
				cursor.insertText(text, colorFormat(type_color));
				break;
			case t_KEYWORD:
				cursor.insertText(text, colorFormat(keyword_color));
				break;
			case t_DEFAULT:
				cursor.insertText(text, colorFormat(default_color));
			}

			cursor.setPosition(position);
			cursor.insertText(input->text());
			setTextCursor(cursor);
			return;
		}
	case Qt::Key_Delete:
		position = cursor.position();
		cursor.deleteChar();

		cursor.movePosition(QTextCursor::NoMove, QTextCursor::MoveAnchor);
		cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
		text = cursor.selectedText();
		cursor.setPosition(position);
		for (count = 0; count < exception->count(); count++) {
			if (text[0] == (*exception)[count][0]) {
				cursor.setPosition(position - 1);
			}
		}

		cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
		cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
		text = cursor.selectedText();
		break;
	case Qt::Key_Backspace:
		if (cursor.atStart()) {
			return;
		} else if (cursor.atBlockStart()) {
			position = cursor.position() - 1;
			cursor.deletePreviousChar();
			cursor.movePosition(QTextCursor::NoMove, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::KeepAnchor);
			text = cursor.selectedText();

			std::cout << "debug_text   " << qPrintable(text) << std::endl;

			count = 0;
			while (count < text.size()) {
				if (text[count] == QChar('{')) {
					block_stack--;
				} else if (text[count] == QChar('}')) {
					block_stack++;
				}
				count++;
			}

			cursor.setPosition(position, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
			text = cursor.selectedText();
		} else {
			position = cursor.position() - 1;
			cursor.deletePreviousChar();
			cursor.movePosition(QTextCursor::NoMove, QTextCursor::MoveAnchor);
			cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
			text = cursor.selectedText();

			for (count = 0; count < exception->count(); count++) {
				if (text[0] == (*exception)[count][0]) {
					cursor.setPosition(position - 1);
					cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
					cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
					text = cursor.selectedText();
					break;
				}
			}

			if (count == exception->count()) {
				cursor.setPosition(position);
				cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
				cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
				text = cursor.selectedText();
			}
		}

		std::cout << block_stack <<std::endl;
		break;
	default:
		position = cursor.position() + 1;
		cursor.insertText(input->text());
		cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor);
		cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::MoveAnchor);
		cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
		text = cursor.selectedText();
	}

	qDebug() << text;

	if (text.isEmpty()) {
		return;
	}

	switch (checkType(text)) {
	case t_TYPE:
		cursor.insertText(text, colorFormat(type_color));
		break;
	case t_KEYWORD:
		cursor.insertText(text, colorFormat(keyword_color));
		break;
	case t_DEFAULT:
		cursor.insertText(text, colorFormat(default_color));
	}

	cursor.setPosition(position);
	setTextCursor(cursor);
	return;
}
/**
 * @brief Removes tabulation(s) at the cursor position.
 */
void TextEditorWidget::remove_tab () {

  QTextCursor cursor = textCursor();

  cursor.beginEditBlock();

  // Check all selected lines.
  if (cursor.hasSelection()) {

    // Get the end block number dans set position to start.
    int start_pos = cursor.selectionStart();
    cursor.setPosition(cursor.selectionEnd());
    int block_number = cursor.blockNumber();
    cursor.setPosition(start_pos);

    // Loop on each blocks.
    while (cursor.blockNumber() <= block_number) {

      cursor.movePosition(QTextCursor::StartOfLine);
      int last_pos = cursor.position();

      // Remove first space(s) character(s) of this line.
      if (replace_tab_by_spaces) {

        // get the number of spaces to remove.
        do {
          cursor.movePosition(
            QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
        } while (cursor.selectedText().endsWith(" ") && !cursor.atBlockEnd() &&
                 cursor.selectedText().length() <= tab_length);
        int length = cursor.selectedText().length() - 1;

        // select and remove the space(s).
        if (length > 0) {
          cursor.movePosition(QTextCursor::StartOfLine);
          cursor.movePosition(
            QTextCursor::NextCharacter, QTextCursor::KeepAnchor, length);
          cursor.removeSelectedText();
        }
      }
      // Remove the first tab character of this line.
      else {
        cursor.movePosition(
          QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
        if (cursor.selectedText() == "\t") {
          cursor.removeSelectedText();
        }
      }

      cursor.setPosition(last_pos);
      cursor.movePosition(QTextCursor::NextBlock);
    }
  }
  else {
    // Remove previous space(s) character(s).
    if (replace_tab_by_spaces) {

      int pos = cursor.position();

      // get space count before the cursor.
      do {
        cursor.movePosition(
          QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
      } while (cursor.selectedText().startsWith(" "));
      int space_count = cursor.selectedText().length() - 1;

      // select and remove previous space(s).
      if (space_count > 0) {
        int length = space_count;
        if (space_count > tab_length) {
          length = space_count % tab_length;
          if (length == 0) {
            length = tab_length;
          }
        }
        cursor.setPosition(pos);
        cursor.movePosition(
          QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor, length);
        cursor.removeSelectedText();
      }
    }
    // Remove previous tab character.
    else {
      cursor.movePosition(
        QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
      if (cursor.selectedText() == "\t") {
        cursor.removeSelectedText();
      }
    }
  }

  cursor.endEditBlock();
}