Beispiel #1
0
    def event(self, ev):
        """General event handler.

        This is reimplemented to:

        - prevent inserting the hard line separator, which makes no sense in
          plain text

        - prevent handling Undo and Redo, they work better via the menu actions

        - handle Tab and Backtab to change the indent

        """
        if ev in (
                # avoid the line separator, makes no sense in plain text
                QKeySequence.InsertLineSeparator,
                # those can better be called via the menu actions, then they
                # work better
                QKeySequence.Undo,
                QKeySequence.Redo,
        ):
            return False
        # handle Tab and Backtab
        if ev.type() == QEvent.KeyPress:
            cursor = self.textCursor()
            if ev.key() == Qt.Key_Tab and ev.modifiers() == Qt.NoModifier:
                # tab pressed, insert a tab when no selection and in text,
                # else increase the indent
                if not cursor.hasSelection():
                    block = cursor.block()
                    text = block.text()[:cursor.position() - block.position()]
                    if text and not text.isspace():
                        if variables.get(self.document(), 'document-tabs',
                                         True):
                            cursor.insertText('\t')
                        else:
                            tabwidth = variables.get(self.document(),
                                                     'tab-width', 8)
                            spaces = tabwidth - len(
                                text.expandtabs(tabwidth)) % tabwidth
                            cursor.insertText(' ' * spaces)
                        self.setTextCursor(cursor)
                        return True
                import indent
                indent.increase_indent(cursor)
                if not cursor.hasSelection():
                    cursortools.strip_indent(cursor)
                    self.setTextCursor(cursor)
                return True
            elif ev.key() == Qt.Key_Backtab and ev.modifiers(
            ) == Qt.ShiftModifier:
                # shift-tab pressed, decrease the indent
                import indent
                indent.decrease_indent(cursor)
                if not cursor.hasSelection():
                    cursortools.strip_indent(cursor)
                    self.setTextCursor(cursor)
                return True
        return super(View, self).event(ev)
Beispiel #2
0
    def event(self, ev):
        """General event handler.

        This is reimplemented to:

        - prevent inserting the hard line separator, which makes no sense in
          plain text

        - prevent handling Undo and Redo, they work better via the menu actions

        - handle Tab and Backtab to change the indent

        """
        if ev in (
                # avoid the line separator, makes no sense in plain text
                QKeySequence.InsertLineSeparator,
                # those can better be called via the menu actions, then they
                # work better
                QKeySequence.Undo,
                QKeySequence.Redo,
            ):
            return False
        # handle Tab and Backtab
        if ev.type() == QEvent.KeyPress:
            cursor = self.textCursor()
            if ev.key() == Qt.Key_Tab and ev.modifiers() == Qt.NoModifier:
                # tab pressed, insert a tab when no selection and in text,
                # else increase the indent
                if not cursor.hasSelection():
                    block = cursor.block()
                    text = block.text()[:cursor.position() - block.position()]
                    if text and not text.isspace():
                        if variables.get(self.document(), 'document-tabs', True):
                            cursor.insertText('\t')
                        else:
                            tabwidth = variables.get(self.document(), 'tab-width', 8)
                            spaces = tabwidth - len(text.expandtabs(tabwidth)) % tabwidth
                            cursor.insertText(' ' * spaces)
                        self.setTextCursor(cursor)
                        return True
                import indent
                indent.increase_indent(cursor)
                if not cursor.hasSelection():
                    cursortools.strip_indent(cursor)
                    self.setTextCursor(cursor)
                return True
            elif ev.key() == Qt.Key_Backtab and ev.modifiers() == Qt.ShiftModifier:
                # shift-tab pressed, decrease the indent
                import indent
                indent.decrease_indent(cursor)
                if not cursor.hasSelection():
                    cursortools.strip_indent(cursor)
                    self.setTextCursor(cursor)
                return True
        return super(View, self).event(ev)
Beispiel #3
0
 def event(self, ev):
     # avoid the line separator, makes no sense in plain text
     if ev == QKeySequence.InsertLineSeparator:
         return False
     # handle Tab and Backtab
     if ev.type() == QEvent.KeyPress:
         modifiers = int(ev.modifiers() & (Qt.SHIFT | Qt.CTRL | Qt.ALT | Qt.META))
         if ev.key() == Qt.Key_Tab and modifiers == 0:
             import indent
             indent.increase_indent(self.textCursor())
             return True
         elif ev.key() == Qt.Key_Backtab and modifiers & ~Qt.SHIFT == 0:
             import indent
             indent.decrease_indent(self.textCursor())
             return True
     return super(View, self).event(ev)