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Parallel Paned Windows (Version1) (Python recipe) by Miguel Martínez López
ActiveState Code (http://code.activestate.com/recipes/578872/)

Python, 78 lines
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from Tkinter import *

class ParallelPanedWindows(PanedWindow):
	
	collectionOfPanedsWindows = {}
	
	def __init__(self, master, tag= 'default', **kargs):
		
		PanedWindow.__init__(self, master, **kargs)
		
		self.other_paneds_windows = []
		
		if tag in self.collectionOfPanedsWindows:
			for pwindow in self.collectionOfPanedsWindows[tag]:
				self.other_paneds_windows.append(pwindow)
				pwindow.other_paneds_windows.append(self)
				
			self.collectionOfPanedsWindows[tag].append(self)
		else:
			self.collectionOfPanedsWindows[tag] = [self]
				
		
		
		self.bind('<Button-1>', self.sash_mark)
		self.bind('<B1-Motion>', self.sash_dragto)
		
		
	def sash_mark(self,event):
		identity = self.identify(event.x, event.y)

		self.x = event.x
		self.y = event.y
		
		if len(identity) ==2:
			index = identity[0]
			self.marked=index
		else:
			self.marked = None

	def sash_dragto(self,event):
	
		dx = event.x -self.x
		dy = event.y - self.y
		
		self.x = event.x
		self.y = event.y
		
		if self.marked != None:
			for pwindow in self.other_paneds_windows:
				(x,y) = pwindow.sash_coord(self.marked)
				new_x = x + dx
				new_y = y + dy
				pwindow.sash_place(self.marked, new_x, new_y)

def test():
	root = Tk()
	m1 = ParallelPanedWindows(root, orient=VERTICAL,sashwidth=2,sashrelief=RIDGE)
	m1.place(x=0,y=0)

	top1 = Label(m1, text="top pane1")
	m1.add(top1)

	bottom1 = Label(m1, text="bottom pane1")
	m1.add(bottom1)

	m2 = ParallelPanedWindows(root, orient=VERTICAL,sashwidth=2,sashrelief=RIDGE)
	m2.place( x=90, y =90)

	top2 = Label(m2, text="top pane2")
	m2.add(top2)

	bottom2 = Label(m2, text="bottom pane2")
	m2.add(bottom2)

	root.mainloop()

if __name__ == '__main__':
	test()
Tags: dragging, pannedwindow, python, synchronous, tkinter