如果这不是不言而喻的,我只编写了python 2.7 tkinter大约四个月。据我所知,使用python窗口小部件
from Tkinter import* #access to libraries and widgets to write python code
root=Tk() #creates CLI window that actually runs the module
root.mainloop() #repeats the module code ad nauseum
class = Class(root) #no clue what this actually does
我已经写了几个简单的单类模块,即
from Tkinter import*
class Code:
def __init__(self, parent):
self.myParent = parent
self.main_frame = Frame(parent, background="light blue")
self.main_frame.pack(expand=YES, fill=BOTH)
self.enter = Entry(self.main_frame, width=30)
self.enter.pack(side=LEFT, expand=NO)
root = Tk()
code = Code(root)
root.mainloop()
现在我已经跨过一个有趣的小挂件类运行在互联网上 - 我已经剥离下来的要领 - 可以使枯燥的输入窗口自动完成输入窗口,即
import Tkinter
class AutocompleteEntry(Tkinter.Entry):
def set_completion_list(self, completion_list):
self._completion_list = completion_list
self._hits = []
self._hit_index = 0
self.position = 0
self.bind('<KeyRelease>', self.handle_keyrelease)
def autocomplete(self, delta=0):
if delta:
self.delete(self.position, Tkinter.END)
else:
self.position = len(self.get())
_hits = []
for element in self._completion_list:
if element.startswith(self.get().lower()):
_hits.append(element)
if _hits != self._hits:
self._hit_index = 0
self._hits=_hits
if _hits == self._hits and self._hits:
self._hit_index = (self._hit_index + delta) % len(self._hits)
if self._hits:
self.delete(0,Tkinter.END)
self.insert(0,self._hits[self._hit_index])
self.select_range(self.position,Tkinter.END)
def handle_keyrelease(self, event):
if len(event.keysym)== 1:
self.autocomplete()
if __name__ == '__main__':
test_list = ('test', 'type', 'true', 'tree')
root = Tkinter.Tk()
entry = AutocompleteEntry(root)
entry.set_completion_list(test_list)
entry.pack()
entry.focus_set()
root.mainloop()
这两个做工精细独奏,但我有几个问题整合他们,而不是其中最重要的是区分从Tkinter导入*/root = Tk()和导入Tkinter/root = Tkinter.Tk()。我认为这只是表达同一事物的两种方式?对于代码类,widget类组合来说,我需要哪个更大的框架来将这两个组合在一起?我应该让一个基类和其他继承?我应该把它们叠在一起放两根?我应该让他们在一个更大的超级班上的两个班?
修订联合CLASSES
from Tkinter import*
class AutocompleteEntry(Entry):
def set_completion_list(self, completion_list):
self._completion_list = completion_list
self._hits = []
self._hit_index = 0
self.position = 0
self.bind('<KeyRelease>', self.handle_keyrelease)
def autocomplete(self, delta=0):
if delta:
self.delete(self.position,END)
else:
self.position = len(self.get())
_hits = []
for element in self._completion_list:
if element.startswith(self.get().lower()):
_hits.append(element)
if _hits != self._hits:
self._hit_index = 0
self._hits=_hits
if _hits == self._hits and self._hits:
self._hit_index = (self._hit_index + delta) % len(self._hits)
if self._hits:
self.delete(0,END)
self.insert(0,self._hits[self._hit_index])
self.select_range(self.position,END)
def handle_keyrelease(self, event):
if len(event.keysym)== 1:
self.autocomplete()
class Code:
def __init__(self, parent):
self.myParent = parent
self.main_frame = Frame(parent, background="light blue")
self.main_frame.pack(expand=YES, fill=BOTH)
test_list = ('test', 'type', 'true', 'tree')
self.enter = AutocompleteEntry(self.main_frame, width=30)
self.enter.set_completion_list(test_list)
self.enter.pack(side=LEFT, expand=NO)
root = Tk()
code = Code(root)
root.mainloop()
当你将import Tkinter作为tk使用时,是否将所有self.somethings改为tk.somethings,或者只要我声明了def __init __(self,parent),self.something仍然可以在类中工作? – Jeff 2012-01-19 13:49:17
@Jeff:不要改变你的“self.somethings”。你必须改变的是任何对Tk类或值的引用。例如,而不是'foo = Button(...)',你可以做'foo = tk.Button(...)'。 – 2012-01-19 16:49:56