Demo.swing.JythonConsole.Keymap.py Maven / Gradle / Ivy
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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
from java.awt.event import KeyEvent, InputEvent
from pawt.swing import KeyStroke, text
import string
from Action import Action
_keynames = {}
def getKeyStroke(key):
if len(_keynames) == 0:
for name in dir(KeyEvent):
if name[:3] == 'VK_':
_keynames[string.lower(name[3:])] = getattr(KeyEvent, name)
if key is None:
return KeyStroke.getKeyStroke(KeyEvent.CHAR_UNDEFINED)
if len(key) == 1:
return KeyStroke.getKeyStroke(key)
fields = string.split(key, '-')
key = fields[-1]
mods = fields[:-1]
modifiers = 0
for mod in mods:
if mod == 'C':
modifiers = modifiers | InputEvent.CTRL_MASK
elif mod == 'S':
modifiers = modifiers | InputEvent.SHIFT_MASK
#Meta and Alt don't currently work right
elif mod == 'M':
modifiers = modifiers | InputEvent.META_MASK
elif mod == 'A':
modifiers = modifiers | InputEvent.ALT_MASK
else:
raise ValueError, 'Invalid modifier in '+key
return KeyStroke.getKeyStroke(_keynames[key], modifiers)
def makeAction(o):
if isinstance(o, Action): return o
if callable(o): return Action(o)
class Keymap:
__keynames = {}
__defaultKeymap = text.JTextComponent.getKeymap(text.JTextComponent.DEFAULT_KEYMAP)
def __init__(self, bindings={}, parent=__defaultKeymap):
self.keymap = text.JTextComponent.addKeymap(None, parent)
for key, action in bindings.items():
self.bind(key, action)
def bind(self, key, action):
self.keymap.addActionForKeyStroke(getKeyStroke(key), makeAction(action))
def __tojava__(self, c):
if isinstance(self.keymap, c):
return self.keymap
if __name__ == '__main__':
km = Keymap()
class T:
def __init__(self, message):
self.message = message
self.__name__ = message
def __call__(self):
print self.message
km.bind('x', T('x'))
km.bind('C-x', T('C-x'))
km.bind('A-x', T('A-x'))
km.bind('up', T('up'))
km.bind('enter', T('enter'))
km.bind('tab', T('tab'))
km.bind('S-tab', T('S-tab'))
text = "hello\nworld"
from pawt import swing, test
doc = swing.text.DefaultStyledDocument()
doc.insertString(0, text, None)
edit = swing.JTextPane(doc)
edit.keymap = km
test(edit, size=(150,80))