mirror of https://github.com/python/cpython
90 lines
3.0 KiB
Python
90 lines
3.0 KiB
Python
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from Tkinter import *
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class Separator:
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def __init__(self, master, orient, min=10, thickness=5, bg=None):
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self.min = max(1, min)
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self.thickness = max(1, thickness)
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if orient in ("h", "horizontal"):
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self.side = "left"
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self.dim = "width"
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self.dir = "x"
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self.cursor = "sb_h_double_arrow"
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elif orient in ("v", "vertical"):
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self.side = "top"
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self.dim = "height"
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self.dir = "y"
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self.cursor = "sb_v_double_arrow"
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else:
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raise ValueError, "Separator: orient should be h or v"
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self.winfo_dim = "winfo_" + self.dim
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self.master = master = Frame(master)
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master.pack(expand=1, fill="both")
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self.f1 = Frame(master)
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self.f1.pack(expand=1, fill="both", side=self.side)
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self.div = Frame(master, cursor=self.cursor)
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self.div[self.dim] = self.thickness
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self.div.pack(fill="both", side=self.side)
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self.f2 = Frame(master)
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self.f2.pack(expand=1, fill="both", side=self.side)
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self.div.bind("<ButtonPress-1>", self.divider_press)
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if bg:
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##self.f1["bg"] = bg
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##self.f2["bg"] = bg
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self.div["bg"] = bg
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def parts(self):
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return self.f1, self.f2
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def divider_press(self, event):
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self.press_event = event
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self.f1.pack_propagate(0)
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self.f2.pack_propagate(0)
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for f in self.f1, self.f2:
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for dim in "width", "height":
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f[dim] = getattr(f, "winfo_"+dim)()
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self.div.bind("<Motion>", self.div_motion)
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self.div.bind("<ButtonRelease-1>", self.div_release)
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def div_motion(self, event):
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delta = getattr(event, self.dir) - getattr(self.press_event, self.dir)
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if delta:
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dim1 = getattr(self.f1, self.winfo_dim)()
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dim2 = getattr(self.f2, self.winfo_dim)()
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delta = max(delta, self.min-dim1)
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delta = min(delta, dim2-self.min)
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dim1 = dim1 + delta
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dim2 = dim2 - delta
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self.f1[self.dim] = dim1
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self.f2[self.dim] = dim2
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def div_release(self, event):
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self.div_motion(event)
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self.div.unbind("<Motion>")
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class VSeparator(Separator):
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def __init__(self, master, min=10, thickness=5, bg=None):
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Separator.__init__(self, master, "v", min, thickness, bg)
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class HSeparator(Separator):
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def __init__(self, master, min=10, thickness=5, bg=None):
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Separator.__init__(self, master, "h", min, thickness, bg)
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def main():
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root = Tk()
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tlist = []
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outer = HSeparator(root, bg="red")
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for part in outer.parts():
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inner = VSeparator(part, bg="blue")
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for f in inner.parts():
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t = Text(f, width=40, height=10, borderwidth=0)
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t.pack(fill="both", expand=1)
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tlist.append(t)
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tlist[0].insert("1.0", "Make your own Mondrian!")
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tlist[1].insert("1.0", "Move the colored dividers...")
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if __name__ == '__main__':
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main()
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