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Minimalistic Library for tkinter
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#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
from Tkinter import * | |
from Queue import Queue | |
import threading | |
class Tk_thread_safe(object): | |
"""Makes Sure that your app isn't going to crash due to tclstack errors""" | |
def __init__(self, tk_root): | |
self.tk_root = tk_root | |
self.queue = Queue() | |
self.tk_loop() | |
self.tk_root.mainloop() | |
def tk_loop(self): | |
try: | |
while True: | |
f, a, k = self.queue.get_nowait() | |
f(*a, **k) | |
except Exception: | |
root.after(500, self.tk_loop) | |
def new_thread(self, process): | |
self.process = process | |
threading.Thread(self.queue.put(self.process)).start() | |
def tk_destruct(_root_): | |
"""Removes all current widgets on the gui """ | |
try: | |
for child in _root_.winfo_children(): | |
child.destroy() | |
except: | |
pass | |
class Image_loader(object): | |
"""Loads images on widgets and caches them """ | |
def __init__(self): | |
self._image_ = "" | |
self.images_list = {} | |
def load_one(self, _image_): | |
self._image_ = _image_ | |
self.images_list[self._image_] = PhotoImage(file=self._image_) | |
def set_image(self, _widget_, _image_): | |
self._widget_ = _widget_ | |
self._image_ = _image_ | |
if not(self._image_ in self.images_list): | |
if self.load_one(self._image_) is False: | |
raise(IOError) | |
try: | |
self._widget_.image = self.images_list[self._image_] | |
self._widget_.config(image=self.images_list[self._image_]) | |
except: | |
return False | |
else: | |
return True | |
class Hover_Effect(object): | |
"""Creates a hover effect (used on Buttons and labels with images)""" | |
def tk_config_bind(self, _widget_, bind_target, _command_): | |
self.command = _command_ | |
self.__widget__ = _widget_ | |
self.bind_targer = bind_target | |
try: | |
self.__widget__.bind(self.bind_targer, self.command) | |
except: | |
return False | |
def set_hover(self, _widget_, _enter_, _leave_): | |
self._widget_ = _widget_ | |
self._enter_ = _enter_ | |
self._leave_ = _leave_ | |
self.tk_config_bind(self._widget_, "<Enter>", | |
lambda event: event.widget.config(background=self._enter_)) | |
self.tk_config_bind(self._widget_, "<Leave>", | |
lambda event: event.widget.config(background=self._leave_)) |
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