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)
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)
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)