def swizzle(cls_name, selector_name, fn):
cls = ObjCClass(cls_name).ptr
new_selector_name = SWIZZLED_SELECTOR_PREFIX + selector_name
new_selector = sel(new_selector_name)
if c.class_getInstanceMethod(cls, new_selector):
error('Skipping swizzling, already responds to {} selector'.format(
new_selector_name))
return
selector = sel(selector_name)
method = c.class_getInstanceMethod(cls, selector)
if not method:
error('Failed to get {} instance method'.format(selector_name))
return
type_encoding = c.method_getTypeEncoding(method)
parsed_types = parse_types(type_encoding)
restype = parsed_types[0]
argtypes = parsed_types[1]
IMPTYPE = CFUNCTYPE(restype, *argtypes)
imp = IMPTYPE(fn)
retain_global(imp)
did_add = c.class_addMethod(cls, new_selector, imp, type_encoding)
if not did_add:
error('Failed to add {} method'.format(new_selector_name))
return
new_method = c.class_getInstanceMethod(cls, new_selector)
method_exchangeImplementations(method, new_method)
def add_method(cls_name, selector_name, fn, type_encoding):
cls = ObjCClass(cls_name).ptr
selector = sel(selector_name)
if c.class_getInstanceMethod(cls, selector):
error(
'Failed to add method, class {} already provides method {}'.format(
cls_name, selector_name))
return
parsed_types = parse_types(type_encoding)
restype = parsed_types[0]
argtypes = parsed_types[1]
IMPTYPE = CFUNCTYPE(restype, *argtypes)
imp = IMPTYPE(fn)
retain_global(imp)
did_add = c.class_addMethod(cls, selector, imp,
c_char_p(type_encoding.encode('utf-8')))
if not did_add:
error('Failed to add class method')
return did_add
def _register_key_command(input, modifier_flags, function, title=None):
if not UIApplication.sharedApplication().respondsToSelector_(
sel('originalkeyCommands')):
swizzle('UIApplication', 'keyCommands', _blackmamba_keyCommands)
selector_name = _key_command_selector_name(input, modifier_flags)
selector = sel(selector_name)
obj = UIApplication.sharedApplication()
info('Registering key command "{}" ({})'.format(
_shortcut_name(input, modifier_flags), title
or 'No discoverability title'))
if not callable(function):
error('Skipping, provided function is not callable')
return False
if obj.respondsToSelector_(selector):
error('Skipping, method {} already registered'.format(selector_name))
return False
def key_command_action(_sel, _cmd, sender):
function()
IMPTYPE = CFUNCTYPE(None, c_void_p, c_void_p, c_void_p)
imp = IMPTYPE(key_command_action)
retain_global(imp)
cls = c.object_getClass(obj.ptr)
type_encoding = c_char_p('v@:@'.encode('utf-8'))
did_add = c.class_addMethod(cls, selector, imp, type_encoding)
if not did_add:
error('Failed to add key command method {}'.format(selector_name))
return False
if isinstance(modifier_flags, UIKeyModifier):
modifier_flags = modifier_flags.value
if title:
kc = UIKeyCommand.keyCommandWithInput_modifierFlags_action_discoverabilityTitle_(
ns(input), modifier_flags, selector, ns(title))
else:
kc = UIKeyCommand.keyCommandWithInput_modifierFlags_action_(
ns(input), modifier_flags, selector)
_key_commands.append(kc)
return True
def get_path():
tab = _get_selected_tab_view_controller()
if not tab:
return None
return str(tab.filePath()) if tab.respondsToSelector_(
sel('filePath')) else None
def register_key_event_handler(key_code, fn, *, modifier_flags=0):
if not UIApplication.sharedApplication().respondsToSelector_(
sel('originalhandleKeyUIEvent:')):
swizzle('UIApplication', 'handleKeyUIEvent:',
_blackmamba_handleKeyUIEvent)
handler = KeyEventHandler(key_code, modifier_flags, fn)
_key_event_handlers.append(handler)
return handler
def get_paths():
tabs = _get_tabs_view_controller()
if not tabs:
return None
return [
str(tab.filePath())
if tab.respondsToSelector_(sel('filePath')) else None
for tab in tabs.tabViewControllers()
]
def create_button(label, func):
button_width = 25
black = ObjCClass('UIColor').alloc().initWithWhite_alpha_(0.0, 1.0)
action_button = ui.Button()
action_button.action = func
accessory_button = ObjCClass(
'UIBarButtonItem').alloc().initWithTitle_style_target_action_(
label, 0, action_button, sel('invokeAction:'))
accessory_button.width = button_width
accessory_button.tintColor = black
return (action_button, accessory_button)
def create_button(label, func):
button_width = 25
black = ObjCClass("UIColor").alloc().initWithWhite_alpha_(0.0, 1.0)
action_button = ui.Button()
action_button.action = func
accessory_button = (
ObjCClass("UIBarButtonItem")
.alloc()
.initWithTitle_style_target_action_(label, 0, action_button, sel("invokeAction:"))
)
accessory_button.width = button_width
accessory_button.tintColor = black
return (action_button, accessory_button)
def save(all=False):
tabs = _get_tabs_view_controller()
if not tabs:
return
if all:
tabs_to_save = tabs.tabViewControllers()
else:
tabs_to_save = [tabs.tabViewControllers()[_get_selected_tab_index()]]
for tab in tabs_to_save:
if tab.respondsToSelector(sel('saveData')):
tab.saveData()
def _start_notification_listener():
global _listener
if _listener is not None:
_logger.debug(
'External screen notification listener is already running')
return
methods = [screenDidConnectNotification_, screenDidDisconnectNotification_]
listener_class = objc_util.create_objc_class('ExternalScreenListener',
methods=methods)
_listener = listener_class.alloc().init()
NSNotificationCenter = objc_util.ObjCClass('NSNotificationCenter')
default_center = NSNotificationCenter.defaultCenter()
default_center.addObserver_selector_name_object_(
_listener, objc_util.sel('screenDidConnectNotification:'),
'UIScreenDidConnectNotification', None)
default_center.addObserver_selector_name_object_(
_listener, objc_util.sel('screenDidDisconnectNotification:'),
'UIScreenDidDisconnectNotification', None)
_logger.debug('External screen notification listener started')
def _register_key_event_handler(key_code,
func,
*,
modifier=UIKeyModifier.NONE):
if not UIApplication.sharedApplication().respondsToSelector_(
sel('originalhandleKeyUIEvent:')):
swizzle('UIApplication', 'handleKeyUIEvent:',
_blackmamba_handleKeyUIEvent)
@system.catch_exceptions
def invoke_func():
func()
handler = KeyEventHandler(key_code, modifier, invoke_func)
_key_event_handlers.append(handler)
return handler
def _add_method(cls, func):
# void, object, selector
type_encoding = "v@:"
sel_name = str(uuid.uuid4())
sel = objc_util.sel(sel_name)
class_ptr = objc_util.object_getClass(cls.ptr)
# ----------------- Modified from objc_util.add_method ------------------ #
parsed_types = objc_util.parse_types(type_encoding)
restype, argtypes, _ = parsed_types
imp = ctypes.CFUNCTYPE(restype, *argtypes)(func)
objc_util.retain_global(imp)
if isinstance(type_encoding, str):
type_encoding = type_encoding.encode('ascii')
objc_util.class_addMethod(class_ptr, sel, imp, type_encoding)
# ----------------------------------------------------------------------- #
return sel
def add_method(method, cls):
guard_objc_util()
import ctypes
import objc_util
import uuid
encoding = "v@:"
# this code is borrowed from `objc_util._add_method`
parsed_types = objc_util.parse_types(encoding)
restype = parsed_types[0]
argtypes = parsed_types[1]
IMPTYPE = ctypes.CFUNCTYPE(restype, *argtypes)
imp = IMPTYPE(method)
objc_util.retain_global(imp)
selector = objc_util.sel(str(uuid.uuid1()).replace("-", ""))
objc_util.class_addMethod(objc_util.object_getClass(cls.ptr), selector, imp, encoding.encode("ascii"))
return selector
def present(view):
'''Presents view (ui.View) on external screen.
Returns True if view was presented or False if external screen is not
available.
'''
window = _configure_window()
if window is None:
_logger.debug(
'Unable to present view, external screen is not available')
return False
view.flex = 'WH'
view_objc = objc_util.ObjCInstance(view)
view_objc.setFrame(window.bounds())
window.subviews().makeObjectsPerformSelector(
objc_util.sel('removeFromSuperview'))
window.addSubview(view_objc)
_logger.debug('View presented on external screen')
return True
def create_accessory_toolbar(self):
from objc_util import ObjCClass, ObjCInstance, sel
def create_button(label, func):
button_width = 25
black = ObjCClass("UIColor").alloc().initWithWhite_alpha_(0.0, 1.0)
action_button = ui.Button()
action_button.action = func
accessory_button = (
ObjCClass("UIBarButtonItem")
.alloc()
.initWithTitle_style_target_action_(label, 0, action_button, sel("invokeAction:"))
)
accessory_button.width = button_width
accessory_button.tintColor = black
return (action_button, accessory_button)
vobj = ObjCInstance(self.markup)
keyboardToolbar = ObjCClass("UIToolbar").alloc().init()
keyboardToolbar.sizeToFit()
button_width = 25
black = ObjCClass("UIColor").alloc().initWithWhite_alpha_(0.0, 1.0)
# Create the buttons
# Need to retain references to the buttons used
# to handle clicks
(self.indentButton, indentBarButton) = create_button(u"\u21E5", self.indent)
(self.outdentButton, outdentBarButton) = create_button(u"\u21E4", self.outdent)
(self.quoteButton, quoteBarButton) = create_button(">", self.block_quote)
(self.linkButton, linkBarButton) = create_button("[]", self.link)
# (self.anchorButton, anchorBarButton) = create_button('<>', self.anchor)
(self.hashButton, hashBarButton) = create_button("#", self.heading)
(self.numberedButton, numberedBarButton) = create_button("1.", self.numbered_list)
(self.listButton, listBarButton) = create_button("•", self.unordered_list)
(self.underscoreButton, underscoreBarButton) = create_button("_", self.insert_underscore)
(self.backtickButton, backtickBarButton) = create_button("`", self.insert_backtick)
# Flex between buttons
f = ObjCClass("UIBarButtonItem").alloc().initWithBarButtonSystemItem_target_action_(5, None, None)
doneBarButton = (
ObjCClass("UIBarButtonItem").alloc().initWithBarButtonSystemItem_target_action_(0, vobj, sel("endEditing:"))
)
keyboardToolbar.items = [
indentBarButton,
f,
outdentBarButton,
f,
quoteBarButton,
f,
linkBarButton,
f,
hashBarButton,
f,
numberedBarButton,
f,
listBarButton,
f,
underscoreBarButton,
f,
backtickBarButton,
f,
doneBarButton,
]
vobj.inputAccessoryView = keyboardToolbar
def create_accessory_toolbar(self):
from objc_util import ObjCClass, ObjCInstance, sel
def create_button(label, func):
button_width = 25
black = ObjCClass('UIColor').alloc().initWithWhite_alpha_(0.0, 1.0)
action_button = ui.Button()
action_button.action = func
accessory_button = ObjCClass('UIBarButtonItem').alloc().initWithTitle_style_target_action_(label, 0, action_button, sel('invokeAction:'))
accessory_button.width = button_width
accessory_button.tintColor = black
return (action_button, accessory_button)
vobj = ObjCInstance(self.markup)
keyboardToolbar = ObjCClass('UIToolbar').alloc().init()
keyboardToolbar.sizeToFit()
button_width = 25
black = ObjCClass('UIColor').alloc().initWithWhite_alpha_(0.0, 1.0)
# Create the buttons
# Need to retain references to the buttons used
# to handle clicks
(self.indentButton, indentBarButton) = create_button('\u21E5', self.indent)
(self.outdentButton, outdentBarButton) = create_button('\u21E4', self.outdent)
(self.quoteButton, quoteBarButton) = create_button('>', self.block_quote)
(self.linkButton, linkBarButton) = create_button('[]', self.link)
#(self.anchorButton, anchorBarButton) = create_button('<>', self.anchor)
(self.hashButton, hashBarButton) = create_button('#', self.heading)
(self.numberedButton, numberedBarButton) = create_button('1.', self.numbered_list)
(self.listButton, listBarButton) = create_button('•', self.unordered_list)
(self.underscoreButton, underscoreBarButton) = create_button('_', self.insert_underscore)
(self.backtickButton, backtickBarButton) = create_button('`', self.insert_backtick)
# Flex between buttons
f = ObjCClass('UIBarButtonItem').alloc().initWithBarButtonSystemItem_target_action_(5, None, None)
doneBarButton = ObjCClass('UIBarButtonItem').alloc().initWithBarButtonSystemItem_target_action_(0, vobj, sel('endEditing:'))
keyboardToolbar.items = [indentBarButton, f, outdentBarButton, f, quoteBarButton, f, linkBarButton, f, hashBarButton, f, numberedBarButton, f, listBarButton, f, underscoreBarButton, f, backtickBarButton, f, doneBarButton]
vobj.inputAccessoryView = keyboardToolbar
def registerAllObservers(self):
for k, v in self._method_table.items():
self._ndc.addObserver_selector_name_object_(
self._mp4p_nc, sel(v.__name__), k, None)
def ButtonItem(s, image, action):
return (UIBarButtonItem.alloc().initWithImage_style_target_action_(
UIImage.imageNamed_(image), 0, s.newVC, sel(action)))
def ButtonItem(s, image, action): return ( UIBarButtonItem.alloc() .initWithImage_style_target_action_(UIImage.imageNamed_(image), 0, s.newVC, sel(action)) )