diff options
Diffstat (limited to 'Demo/tkinter/matt/canvas-moving-w-mouse.py')
-rw-r--r-- | Demo/tkinter/matt/canvas-moving-w-mouse.py | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/Demo/tkinter/matt/canvas-moving-w-mouse.py b/Demo/tkinter/matt/canvas-moving-w-mouse.py index 447e290..81785d8 100644 --- a/Demo/tkinter/matt/canvas-moving-w-mouse.py +++ b/Demo/tkinter/matt/canvas-moving-w-mouse.py @@ -7,49 +7,49 @@ class Test(Frame): ###### Event callbacks for THE CANVAS (not the stuff drawn on it) ################################################################### def mouseDown(self, event): - # remember where the mouse went down - self.lastx = event.x - self.lasty = event.y + # remember where the mouse went down + self.lastx = event.x + self.lasty = event.y def mouseMove(self, event): - # whatever the mouse is over gets tagged as CURRENT for free by tk. - self.draw.move(CURRENT, event.x - self.lastx, event.y - self.lasty) - self.lastx = event.x - self.lasty = event.y + # whatever the mouse is over gets tagged as CURRENT for free by tk. + self.draw.move(CURRENT, event.x - self.lastx, event.y - self.lasty) + self.lastx = event.x + self.lasty = event.y ################################################################### ###### Event callbacks for canvas ITEMS (stuff drawn on the canvas) ################################################################### def mouseEnter(self, event): # the CURRENT tag is applied to the object the cursor is over. - # this happens automatically. - self.draw.itemconfig(CURRENT, fill="red") - + # this happens automatically. + self.draw.itemconfig(CURRENT, fill="red") + def mouseLeave(self, event): - # the CURRENT tag is applied to the object the cursor is over. - # this happens automatically. - self.draw.itemconfig(CURRENT, fill="blue") + # the CURRENT tag is applied to the object the cursor is over. + # this happens automatically. + self.draw.itemconfig(CURRENT, fill="blue") def createWidgets(self): - self.QUIT = Button(self, text='QUIT', foreground='red', - command=self.quit) - self.QUIT.pack(side=LEFT, fill=BOTH) - self.draw = Canvas(self, width="5i", height="5i") - self.draw.pack(side=LEFT) + self.QUIT = Button(self, text='QUIT', foreground='red', + command=self.quit) + self.QUIT.pack(side=LEFT, fill=BOTH) + self.draw = Canvas(self, width="5i", height="5i") + self.draw.pack(side=LEFT) - fred = self.draw.create_oval(0, 0, 20, 20, - fill="green", tags="selected") + fred = self.draw.create_oval(0, 0, 20, 20, + fill="green", tags="selected") - self.draw.tag_bind(fred, "<Any-Enter>", self.mouseEnter) - self.draw.tag_bind(fred, "<Any-Leave>", self.mouseLeave) + self.draw.tag_bind(fred, "<Any-Enter>", self.mouseEnter) + self.draw.tag_bind(fred, "<Any-Leave>", self.mouseLeave) - Widget.bind(self.draw, "<1>", self.mouseDown) - Widget.bind(self.draw, "<B1-Motion>", self.mouseMove) + Widget.bind(self.draw, "<1>", self.mouseDown) + Widget.bind(self.draw, "<B1-Motion>", self.mouseMove) def __init__(self, master=None): - Frame.__init__(self, master) - Pack.config(self) - self.createWidgets() + Frame.__init__(self, master) + Pack.config(self) + self.createWidgets() test = Test() test.mainloop() |