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55 lines
1.8 KiB
55 lines
1.8 KiB
from Tkinter import *
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def askopenfilename():
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""" Prints the selected files name """
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# get filename, this is the bit that opens up the dialog box this will
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# return a string of the file name you have clicked on.
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filename = tkFileDialog.askopenfilename()
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if filename:
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# Will print the file name to the text box
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print filename
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# a subclass of Canvas for dealing with resizing of windows
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class ResizingCanvas(Canvas):
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def __init__(self,parent,**kwargs):
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Canvas.__init__(self,parent,**kwargs)
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self.bind("<Configure>", self.on_resize)
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self.height = self.winfo_reqheight()
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self.width = self.winfo_reqwidth()
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def on_resize(self,event):
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# determine the ratio of old width/height to new width/height
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wscale = float(event.width)/self.width
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hscale = float(event.height)/self.height
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self.width = event.width
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self.height = event.height
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# resize the canvas
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self.config(width=self.width, height=self.height)
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# rescale all the objects tagged with the "all" tag
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self.scale("all",0,0,wscale,hscale)
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def main():
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root = Tk()
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myframe = Frame(root)
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myframe.pack(fill=BOTH, expand=YES)
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mycanvas = ResizingCanvas(myframe,width=850, height=400, bg="red", highlightthickness=0)
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mycanvas.pack(fill=BOTH, expand=YES)
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button = Button(root, text='GetFileName', command=askopenfilename)
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# this puts the button at the top in the middle
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button.grid(row=1, column=1)
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# add some widgets to the canvas
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#mycanvas.create_line(0, 0, 200, 100)
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#mycanvas.create_line(0, 100, 200, 0, fill="red", dash=(4, 4))
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#mycanvas.create_rectangle(50, 25, 150, 75, fill="blue")
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# tag all of the drawn widgets
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#mycanvas.addtag_all("all")
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root.mainloop()
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if __name__ == "__main__":
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main()
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