inputAccessoryExample.py

inputAccessoryExample.py

# coding: utf-8
'''Creates a custom input accessory view, and attaches it to textfield and textview
   this example demonstrates custom text buttons (emoji, etc), and custom actions
  '''
  
from objc_util import *
import ui
'''set up top level view and textfield'''
v=ui.View(frame=[0,0,300,300],bg_color=(.92, .92, .92))
tf=ui.TextField(frame=[10,10,200,30])
v.add_subview(tf)
tv=ui.TextView(frame=[10,50,200,100])
v.add_subview(tv)



def typeChar(sender):
	'''finds active textinput, and types the button's title'''
	tf=sender.objc_instance.firstResponder()
	tf.insertText_(sender.title)

#create normal keys	
buttons=[]
for button_title in '😀😍😜😎😳😂':
	buttons.append(ui.Button(title=button_title,action=typeChar))

#create special keys
def prev(sender):
	'''simulates 'tab' key, go to next field '''
	s=sender.objc_instance.firstResponder()._previousKeyResponder().becomeFirstResponder()	
buttons.append(ui.Button(image=ui.Image.named('iob:ios7_arrow_back_32'),action=prev))

def next(sender):
	'''simulates 'tab' key, go to next field '''
	s=sender.objc_instance.firstResponder()._nextKeyResponder().becomeFirstResponder()	
buttons.append(ui.Button(image=ui.Image.named('iob:ios7_arrow_forward_32'),action=next))

'''set up toolbar'''
keyboardToolbar=ObjCClass('UIToolbar').alloc().init()
keyboardToolbar.sizeToFit()
keyboardToolbar.items = [ObjCClass('UIBarButtonItem').alloc().initWithCustomView_(b) for b in buttons]

#attach our accessory to the textfield, and textview.
tf.objc_instance.textField().setInputAccessoryView_(keyboardToolbar, argtypes=[c_void_p], restype=None)
tv.objc_instance.setInputAccessoryView_(keyboardToolbar)

v.present('sheet')
tf.begin_editing()