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| author | Georg Brandl <georg@python.org> | 2010-12-30 21:33:07 (GMT) |
|---|---|---|
| committer | Georg Brandl <georg@python.org> | 2010-12-30 21:33:07 (GMT) |
| commit | 7fafbc95c0c963438197c9a43fe893c4ea6fe759 (patch) | |
| tree | 5c9ceda4bdc5260236a230554b9ed56b8c0cdbd3 /Demo/tkinter/matt/canvas-moving-w-mouse.py | |
| parent | 6f17e2df29a865a29447531e89fb22be710e382d (diff) | |
| download | cpython-7fafbc95c0c963438197c9a43fe893c4ea6fe759.zip cpython-7fafbc95c0c963438197c9a43fe893c4ea6fe759.tar.gz cpython-7fafbc95c0c963438197c9a43fe893c4ea6fe759.tar.bz2 | |
More cleanup: Move some demos into a dedicated Tools/demo dir, move 2to3 demo to Tools, and remove all the other Demo content.
Diffstat (limited to 'Demo/tkinter/matt/canvas-moving-w-mouse.py')
| -rw-r--r-- | Demo/tkinter/matt/canvas-moving-w-mouse.py | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/Demo/tkinter/matt/canvas-moving-w-mouse.py b/Demo/tkinter/matt/canvas-moving-w-mouse.py deleted file mode 100644 index 21d724f..0000000 --- a/Demo/tkinter/matt/canvas-moving-w-mouse.py +++ /dev/null @@ -1,55 +0,0 @@ -from tkinter import * - -# this file demonstrates the movement of a single canvas item under mouse control - -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 - - 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 - - ################################################################### - ###### 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") - - 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") - - 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) - - 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) - - 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() - -test = Test() -test.mainloop() |
