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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))
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