linuxport: Merging in the fruits of my labors (Python VFS)
[xbmc:xbmc-antiquated.git] / xbmc / lib / libPython / Python / Demo / tkinter / matt / printing-coords-of-items.py
1 from Tkinter import *
2
3 # this file demonstrates the creation of widgets as part of a canvas object
4
5 class Test(Frame):
6     ###################################################################
7     ###### Event callbacks for THE CANVAS (not the stuff drawn on it)
8     ###################################################################
9     def mouseDown(self, event):
10         # see if we're inside a dot. If we are, it
11         # gets tagged as CURRENT for free by tk.
12
13         if not event.widget.find_withtag(CURRENT):
14             # there is no dot here, so we can make one,
15             # and bind some interesting behavior to it.
16             # ------
17             # create a dot, and mark it as current
18             fred = self.draw.create_oval(
19                 event.x - 10, event.y -10, event.x +10, event.y + 10,
20                 fill="green")
21             self.draw.tag_bind(fred, "<Enter>", self.mouseEnter)
22             self.draw.tag_bind(fred, "<Leave>", self.mouseLeave)
23         self.lastx = event.x
24         self.lasty = event.y
25
26     def mouseMove(self, event):
27         self.draw.move(CURRENT, event.x - self.lastx, event.y - self.lasty)
28         self.lastx = event.x
29         self.lasty = event.y
30
31     ###################################################################
32     ###### Event callbacks for canvas ITEMS (stuff drawn on the canvas)
33     ###################################################################
34     def mouseEnter(self, event):
35         # the "current" tag is applied to the object the cursor is over.
36         # this happens automatically.
37         self.draw.itemconfig(CURRENT, fill="red")
38         print self.draw.coords(CURRENT)
39
40     def mouseLeave(self, event):
41         # the "current" tag is applied to the object the cursor is over.
42         # this happens automatically.
43         self.draw.itemconfig(CURRENT, fill="blue")
44
45     def createWidgets(self):
46         self.QUIT = Button(self, text='QUIT', foreground='red',
47                            command=self.quit)
48         self.QUIT.pack(side=LEFT, fill=BOTH)
49         self.draw = Canvas(self, width="5i", height="5i")
50         self.draw.pack(side=LEFT)
51
52         Widget.bind(self.draw, "<1>", self.mouseDown)
53         Widget.bind(self.draw, "<B1-Motion>", self.mouseMove)
54
55     def __init__(self, master=None):
56         Frame.__init__(self, master)
57         Pack.config(self)
58         self.createWidgets()
59
60 test = Test()
61 test.mainloop()