ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / lib64 / python2.7 / Demo / tkinter / matt

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()

[-] canvas-gridding.py [edit]
[-] radiobutton-simple.py [edit]
[-] canvas-gridding.pyc [edit]
[-] two-radio-groups.pyo [edit]
[-] rubber-band-box-demo-1.py [edit]
[-] rubber-line-demo-1.py [edit]
[-] canvas-moving-or-creating.pyo [edit]
[-] 00-HELLO-WORLD.py [edit]
[-] window-creation-w-location.pyc [edit]
[-] canvas-moving-w-mouse.py [edit]
[-] animation-simple.py [edit]
[-] canvas-moving-w-mouse.pyc [edit]
[-] canvas-moving-w-mouse.pyo [edit]
[-] animation-w-velocity-ctrl.py [edit]
[+] ..
[-] canvas-demo-simple.pyc [edit]
[-] not-what-you-might-think-2.pyc [edit]
[-] packer-simple.pyc [edit]
[-] two-radio-groups.py [edit]
[-] rubber-line-demo-1.pyc [edit]
[-] menu-all-types-of-entries.py [edit]
[-] killing-window-w-wm.pyc [edit]
[-] README [edit]
[-] canvas-moving-or-creating.pyc [edit]
[-] animation-simple.pyo [edit]
[-] packer-and-placer-together.py [edit]
[-] animation-w-velocity-ctrl.pyc [edit]
[-] pong-demo-1.pyc [edit]
[-] rubber-band-box-demo-1.pyc [edit]
[-] two-radio-groups.pyc [edit]
[-] menu-all-types-of-entries.pyc [edit]
[-] slider-demo-1.py [edit]
[-] packer-simple.py [edit]
[-] printing-coords-of-items.pyo [edit]
[-] dialog-box.pyo [edit]
[-] entry-simple.pyo [edit]
[-] subclass-existing-widgets.pyc [edit]
[-] window-creation-more.pyc [edit]
[-] dialog-box.pyc [edit]
[-] not-what-you-might-think-1.pyc [edit]
[-] radiobutton-simple.pyo [edit]
[-] canvas-moving-or-creating.py [edit]
[-] placer-simple.pyc [edit]
[-] menu-simple.pyo [edit]
[-] rubber-band-box-demo-1.pyo [edit]
[-] canvas-gridding.pyo [edit]
[-] placer-simple.py [edit]
[-] animation-w-velocity-ctrl.pyo [edit]
[-] canvas-reading-tag-info.pyo [edit]
[-] canvas-with-scrollbars.pyc [edit]
[-] killing-window-w-wm.py [edit]
[-] window-creation-w-location.py [edit]
[-] not-what-you-might-think-2.pyo [edit]
[-] entry-simple.pyc [edit]
[-] entry-simple.py [edit]
[-] rubber-line-demo-1.pyo [edit]
[-] subclass-existing-widgets.pyo [edit]
[-] window-creation-simple.pyo [edit]
[-] canvas-mult-item-sel.pyo [edit]
[-] window-creation-simple.pyc [edit]
[-] canvas-w-widget-draw-el.pyc [edit]
[-] canvas-with-scrollbars.pyo [edit]
[-] window-creation-more.pyo [edit]
[-] canvas-mult-item-sel.pyc [edit]
[-] canvas-reading-tag-info.pyc [edit]
[-] killing-window-w-wm.pyo [edit]
[-] bind-w-mult-calls-p-type.pyo [edit]
[-] entry-with-shared-variable.py [edit]
[-] 00-HELLO-WORLD.pyc [edit]
[-] canvas-with-scrollbars.py [edit]
[-] pong-demo-1.pyo [edit]
[-] window-creation-more.py [edit]
[-] slider-demo-1.pyc [edit]
[-] menu-simple.py [edit]
[-] animation-simple.pyc [edit]
[-] subclass-existing-widgets.py [edit]
[-] canvas-w-widget-draw-el.pyo [edit]
[-] packer-and-placer-together.pyc [edit]
[-] bind-w-mult-calls-p-type.pyc [edit]
[-] not-what-you-might-think-1.py [edit]
[-] not-what-you-might-think-2.py [edit]
[-] window-creation-simple.py [edit]
[-] canvas-mult-item-sel.py [edit]
[-] bind-w-mult-calls-p-type.py [edit]
[-] entry-with-shared-variable.pyc [edit]
[-] radiobutton-simple.pyc [edit]
[-] dialog-box.py [edit]
[-] menu-all-types-of-entries.pyo [edit]
[-] canvas-demo-simple.pyo [edit]
[-] menu-simple.pyc [edit]
[-] slider-demo-1.pyo [edit]
[-] canvas-w-widget-draw-el.py [edit]
[-] 00-HELLO-WORLD.pyo [edit]
[-] canvas-demo-simple.py [edit]
[-] packer-simple.pyo [edit]
[-] printing-coords-of-items.py [edit]
[-] printing-coords-of-items.pyc [edit]
[-] canvas-reading-tag-info.py [edit]
[-] window-creation-w-location.pyo [edit]
[-] not-what-you-might-think-1.pyo [edit]
[-] pong-demo-1.py [edit]
[-] entry-with-shared-variable.pyo [edit]
[-] packer-and-placer-together.pyo [edit]
[-] placer-simple.pyo [edit]