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