From a59bda821aca72b80af774d72bb211da0eed70f8 2016-03-10 16:46:51 From: Min RK Date: 2016-03-10 16:46:51 Subject: [PATCH] Wake the main loop with an event --- diff --git a/IPython/terminal/pt_inputhooks/osx.py b/IPython/terminal/pt_inputhooks/osx.py index 518a0b9..cd7eee3 100644 --- a/IPython/terminal/pt_inputhooks/osx.py +++ b/IPython/terminal/pt_inputhooks/osx.py @@ -6,7 +6,6 @@ import ctypes.util objc = ctypes.cdll.LoadLibrary(ctypes.util.find_library('objc')) CoreFoundation = ctypes.cdll.LoadLibrary(ctypes.util.find_library('CoreFoundation')) -# Cocoa = ctypes.cdll.LoadLibrary(ctypes.util.find_library('Cocoa')) void_p = ctypes.c_void_p @@ -24,7 +23,7 @@ def _utf8(s): return s def n(name): - """create a selector name (for methods)""" + """create a selector name (for ObjC methods)""" return objc.sel_registerName(_utf8(name)) def C(classname): @@ -63,7 +62,6 @@ CFFileDescriptorInvalidate = CoreFoundation.CFFileDescriptorInvalidate CFFileDescriptorInvalidate.restype = None CFFileDescriptorInvalidate.argtypes = [void_p] - # From CFFileDescriptor.h kCFFileDescriptorReadCallBack = 1 kCFRunLoopCommonModes = void_p.in_dll(CoreFoundation, 'kCFRunLoopCommonModes') @@ -72,19 +70,37 @@ def _NSApp(): """Return the global NSApplication instance (NSApp)""" return msg(C('NSApplication'), n('sharedApplication')) +def _wake(NSApp): + """Wake the Application""" + event = msg(C('NSEvent'), + n('otherEventWithType:location:modifierFlags:' + 'timestamp:windowNumber:context:subtype:data1:data2:'), + 15, # Type + 0, # location + 0, # flags + 0, # timestamp + 0, # window + None, # context + 0, # subtype + 0, # data1 + 0, # data2 + ) + msg(NSApp, n('postEvent:atStart:'), void_p(event), True) + def _input_callback(fdref, flags, info): """Callback to fire when there's input to be read""" CFFileDescriptorInvalidate(fdref) CFRelease(fdref) NSApp = _NSApp() msg(NSApp, n('stop:'), NSApp) + _wake(NSApp) _c_callback_func_type = ctypes.CFUNCTYPE(None, void_p, void_p, void_p) -_c_callback = _c_callback_func_type(_input_callback) +_c_input_callback = _c_callback_func_type(_input_callback) def _stop_on_read(fd): """Register callback to stop eventloop when there's data on fd""" - fdref = CFFileDescriptorCreate(None, fd, False, _c_callback, None) + fdref = CFFileDescriptorCreate(None, fd, False, _c_input_callback, None) CFFileDescriptorEnableCallBacks(fdref, kCFFileDescriptorReadCallBack) source = CFFileDescriptorCreateRunLoopSource(None, fdref, 0) loop = CFRunLoopGetCurrent() @@ -102,3 +118,4 @@ def inputhook(context): return _stop_on_read(context.fileno()) msg(NSApp, n('run')) +