Python Tkinter.Button() Examples

def __init__(self, main_window, msg='Please enter a node:'):
        tk.Toplevel.__init__(self)
        self.main_window = main_window
        self.title('Node Entry')
        self.geometry('170x160')
        self.rowconfigure(3, weight=1)

        tk.Label(self, text=msg).grid(row=0, column=0, columnspan=2,
                                      sticky='NESW',padx=5,pady=5)
        self.posibilities = [d['dataG_id'] for n,d in
                    main_window.canvas.dispG.nodes_iter(data=True)]
        self.entry = AutocompleteEntry(self.posibilities, self)
        self.entry.bind('<Return>', lambda e: self.destroy(), add='+')
        self.entry.grid(row=1, column=0, columnspan=2, sticky='NESW',padx=5,pady=5)

        tk.Button(self, text='Ok', command=self.destroy).grid(
            row=3, column=0, sticky='ESW',padx=5,pady=5)
        tk.Button(self, text='Cancel', command=self.cancel).grid(
            row=3, column=1, sticky='ESW',padx=5,pady=5)

        # Make modal
        self.winfo_toplevel().wait_window(self) 

def _test():
    root = Tk()
    text = "This is Tcl/Tk version %s" % TclVersion
    if TclVersion >= 8.1:
        try:
            text = text + unicode("\nThis should be a cedilla: \347",
                                  "iso-8859-1")
        except NameError:
            pass # no unicode support
    label = Label(root, text=text)
    label.pack()
    test = Button(root, text="Click me!",
              command=lambda root=root: root.test.configure(
                  text="[%s]" % root.test['text']))
    test.pack()
    root.test = test
    quit = Button(root, text="QUIT", command=root.destroy)
    quit.pack()
    # The following three commands are needed so the window pops
    # up on top on Windows...
    root.iconify()
    root.update()
    root.deiconify()
    root.mainloop() 

def __init__(self, mainObj, MainWin, wWidth, wHeight, function, Object, xAxis = 10, yAxis = 10):
        self.xAxis = xAxis
        self.yAxis = yAxis
        self.MainWindow = MainWin
        self.MainObj = mainObj
        if (self.callingObj != 0):    
            self.callingObj = Object
        
        if (function != 0):
            self.method = function
        
        global winFrame
        self.winFrame = Tkinter.Frame(self.MainWindow, width = wWidth, height = wHeight)
        self.winFrame['borderwidth'] = 5
        self.winFrame['relief'] = 'ridge'
        self.winFrame.place(x=xAxis,y=yAxis)
        #self.winFrame.configure(background="White")


        self.btnQuit= Tkinter.Button(self.winFrame, text = "Close", width=8, command= lambda: self.quitProgram(self.MainWindow))
        self.btnQuit.place(x=650, y=450)
        self.btnNext = Tkinter.Button(self.winFrame, text = "Next", width=8, command= lambda: self.NextWindow(self.method))
        self.btnNext.place(x=575, y=450) 

def __init__(self, parent, env, canvas):
        super(EnvToolbar, self).__init__(parent, relief='raised', bd=2)

        # Initialize instance variables

        self.env = env
        self.canvas = canvas
        self.running = False
        self.speed = 1.0

        # Create buttons and other controls

        for txt, cmd in [('Step >', self.env.step),
                         ('Run >>', self.run),
                         ('Stop [ ]', self.stop),
                         ('List things', self.list_things),
                         ('List agents', self.list_agents)]:
            tk.Button(self, text=txt, command=cmd).pack(side='left')

        tk.Label(self, text='Speed').pack(side='left')
        scale = tk.Scale(self, orient='h',
                         from_=(1.0), to=10.0, resolution=1.0,
                         command=self.set_speed)
        scale.set(self.speed)
        scale.pack(side='left') 

def __createWidgets(self):
        """Create the widgets. """
        if self.__is_verbose: print "INFO: Creating Widgets!"
        
        # create show preview button
        self.preview_button = tk.Button(self, text = "Show Camera Feed",
            command = self.clickStartPreview)
        self.preview_button.grid(row = 1, column = 0, 
            sticky = tk.W + tk.E + tk.N + tk.S)
        
        # create quit button
        self.quit_button = tk.Button(self, text = "Quit",
            command = self.clickQuit)
        self.quit_button.grid(row = 1, column = 1, 
            sticky = tk.W + tk.E + tk.N + tk.S)
    
    # --------------------------------------------------------------------------
    #   Load Image
    # -------------------------------------------------------------------------- 

def buttonbox(self):
        # add standard button box. override if you don't want the
        # standard buttons

        box = Tkinter.Frame(self)

        w = Tkinter.Button(box, text="OK", width=10, command=self.ok, default="active")
        w.pack(side="left", padx=5, pady=5)
        w = Tkinter.Button(box, text="Cancel", width=10, command=self.cancel)
        w.pack(side="left", padx=5, pady=5)

        self.bind("<Return>", self.ok)
        self.bind("<Escape>", self.cancel)

        box.pack()

    #
    # standard button semantics 

def record_result(self, smile=True):
        print "Image", self.index + 1, ":", "Happy" if smile is True else "Sad"
        self.results[str(self.index)] = smile



# ===================================
# Callback function for the buttons
# ===================================
## smileCallback()              : Gets called when "Happy" Button is pressed
## noSmileCallback()            : Gets called when "Sad" Button is pressed
## updateImageCount()           : Displays the number of images processed
## displayFace()                : Gets called internally by either of the button presses
## displayBarGraph(isBarGraph)  : computes the bar graph after classification is completed 100%
## _begin()                     : Resets the Dataset & Starts from the beginning
## _quit()                      : Quits the Application
## printAndSaveResult()         : Save and print the classification result
## loadResult()                 : Loading the previously stored classification result
## run_once(m)                  : Decorator to allow functions to run only once 

def _dyn_option_menu(parent):  # htest #
    from Tkinter import Toplevel

    top = Toplevel()
    top.title("Tets dynamic option menu")
    top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200,
                  parent.winfo_rooty() + 150))
    top.focus_set()

    var = StringVar(top)
    var.set("Old option set") #Set the default value
    dyn = DynOptionMenu(top,var, "old1","old2","old3","old4")
    dyn.pack()

    def update():
        dyn.SetMenu(["new1","new2","new3","new4"], value="new option set")
    button = Button(top, text="Change option set", command=update)
    button.pack() 

def test_grid_remove(self):
        b = tkinter.Button(self.root)
        c = tkinter.Button(self.root)
        b.grid_configure(row=2, column=2, rowspan=2, columnspan=2,
                         padx=3, pady=4, sticky='ns')
        self.assertEqual(self.root.grid_slaves(), [b])
        b.grid_remove()
        c.grid_remove()
        self.assertEqual(self.root.grid_slaves(), [])
        self.assertEqual(b.grid_info(), {})
        b.grid_configure(row=0, column=0)
        info = b.grid_info()
        self.assertEqual(info['row'], self._str(0))
        self.assertEqual(info['column'], self._str(0))
        self.assertEqual(info['rowspan'], self._str(2))
        self.assertEqual(info['columnspan'], self._str(2))
        self.assertEqual(info['padx'], self._str(3))
        self.assertEqual(info['pady'], self._str(4))
        self.assertEqual(info['sticky'], 'ns') 

def test_grid_forget(self):
        b = tkinter.Button(self.root)
        c = tkinter.Button(self.root)
        b.grid_configure(row=2, column=2, rowspan=2, columnspan=2,
                         padx=3, pady=4, sticky='ns')
        self.assertEqual(self.root.grid_slaves(), [b])
        b.grid_forget()
        c.grid_forget()
        self.assertEqual(self.root.grid_slaves(), [])
        self.assertEqual(b.grid_info(), {})
        b.grid_configure(row=0, column=0)
        info = b.grid_info()
        self.assertEqual(info['row'], self._str(0))
        self.assertEqual(info['column'], self._str(0))
        self.assertEqual(info['rowspan'], self._str(1))
        self.assertEqual(info['columnspan'], self._str(1))
        self.assertEqual(info['padx'], self._str(0))
        self.assertEqual(info['pady'], self._str(0))
        self.assertEqual(info['sticky'], '') 

def test_grid_rowconfigure(self):
        with self.assertRaises(TypeError):
            self.root.grid_rowconfigure()
        self.assertEqual(self.root.grid_rowconfigure(0),
                         {'minsize': 0, 'pad': 0, 'uniform': None, 'weight': 0})
        with self.assertRaisesRegexp(TclError, 'bad option "-foo"'):
            self.root.grid_rowconfigure(0, 'foo')
        self.root.grid_rowconfigure((0, 3), weight=2)
        with self.assertRaisesRegexp(TclError,
                                     'must specify a single element on retrieval'):
            self.root.grid_rowconfigure((0, 3))
        b = tkinter.Button(self.root)
        b.grid_configure(column=0, row=0)
        if tcl_version >= (8, 5):
            self.root.grid_rowconfigure('all', weight=3)
            with self.assertRaisesRegexp(TclError, 'expected integer but got "all"'):
                self.root.grid_rowconfigure('all')
            self.assertEqual(self.root.grid_rowconfigure(0, 'weight'), 3)
        self.assertEqual(self.root.grid_rowconfigure(3, 'weight'), 2)
        self.assertEqual(self.root.grid_rowconfigure(265, 'weight'), 0)
        if tcl_version >= (8, 5):
            self.root.grid_rowconfigure(b, weight=4)
            self.assertEqual(self.root.grid_rowconfigure(0, 'weight'), 4) 

def test_grid_columnconfigure(self):
        with self.assertRaises(TypeError):
            self.root.grid_columnconfigure()
        self.assertEqual(self.root.grid_columnconfigure(0),
                         {'minsize': 0, 'pad': 0, 'uniform': None, 'weight': 0})
        with self.assertRaisesRegexp(TclError, 'bad option "-foo"'):
            self.root.grid_columnconfigure(0, 'foo')
        self.root.grid_columnconfigure((0, 3), weight=2)
        with self.assertRaisesRegexp(TclError,
                                     'must specify a single element on retrieval'):
            self.root.grid_columnconfigure((0, 3))
        b = tkinter.Button(self.root)
        b.grid_configure(column=0, row=0)
        if tcl_version >= (8, 5):
            self.root.grid_columnconfigure('all', weight=3)
            with self.assertRaisesRegexp(TclError, 'expected integer but got "all"'):
                self.root.grid_columnconfigure('all')
            self.assertEqual(self.root.grid_columnconfigure(0, 'weight'), 3)
        self.assertEqual(self.root.grid_columnconfigure(3, 'weight'), 2)
        self.assertEqual(self.root.grid_columnconfigure(265, 'weight'), 0)
        if tcl_version >= (8, 5):
            self.root.grid_columnconfigure(b, weight=4)
            self.assertEqual(self.root.grid_columnconfigure(0, 'weight'), 4) 

def __init__(self, root, main_window, button_opt):
        ttk.Frame.__init__(self, root)
        
        self.root = root
        self.main_window = main_window
        self.current_files = None
        self.button_opt = button_opt
        
        # define options for opening or saving a file
        self.file_opt = options = {}
        options['defaultextension'] = '.txt'
        options['filetypes'] = [('all files', '.*'), ('text files', '.txt')]
        options['initialdir'] = os.path.expanduser("~")
        options['parent'] = root
        options['title'] = 'Select files to annotate.'
        
        self.file_selector_button = ttk.Button(self.root, text=u"select file(s)", command=self.filenames)
        self.label = ttk.Label(self.root, text=u"selected file(s):")
        self.fa_search = tkinter.PhotoImage(file=os.path.join(self.main_window.resource_dir, "images", "fa_search_24_24.gif"))
        self.file_selector_button.config(image=self.fa_search, compound=tkinter.LEFT)
        
        self.scrollbar = ttk.Scrollbar(self.root)
        self.selected_files = tkinter.Listbox(self.root, yscrollcommand=self.scrollbar.set)
        self.scrollbar.config(command=self.selected_files.yview) 

def test():
    root = Tkinter.Tk()
    root.geometry("+1+1")
    Tkinter.Button(command=root.quit, text="Quit").pack()
    t1 = Tester(root)
    t1.top.geometry("+1+60")
    t2 = Tester(root)
    t2.top.geometry("+120+60")
    t3 = Tester(root)
    t3.top.geometry("+240+60")
    i1 = Icon("ICON1")
    i2 = Icon("ICON2")
    i3 = Icon("ICON3")
    i1.attach(t1.canvas)
    i2.attach(t2.canvas)
    i3.attach(t3.canvas)
    root.mainloop() 

def test():
    root = Tkinter.Tk()
    root.geometry("+1+1")
    Tkinter.Button(command=root.quit, text="Quit").pack()
    t1 = Tester(root)
    t1.top.geometry("+1+60")
    t2 = Tester(root)
    t2.top.geometry("+120+60")
    t3 = Tester(root)
    t3.top.geometry("+240+60")
    i1 = Icon("ICON1")
    i2 = Icon("ICON2")
    i3 = Icon("ICON3")
    i1.attach(t1.canvas)
    i2.attach(t2.canvas)
    i3.attach(t3.canvas)
    root.mainloop() 

def _test():
    root = Tk()
    text = "This is Tcl/Tk version %s" % TclVersion
    if TclVersion >= 8.1:
        try:
            text = text + unicode("\nThis should be a cedilla: \347",
                                  "iso-8859-1")
        except NameError:
            pass # no unicode support
    label = Label(root, text=text)
    label.pack()
    test = Button(root, text="Click me!",
              command=lambda root=root: root.test.configure(
                  text="[%s]" % root.test['text']))
    test.pack()
    root.test = test
    quit = Button(root, text="QUIT", command=root.destroy)
    quit.pack()
    # The following three commands are needed so the window pops
    # up on top on Windows...
    root.iconify()
    root.update()
    root.deiconify()
    root.mainloop() 

def escapePressHandler(self, event):
        """Handle ESCAPE key events. """
        
        if self.__is_verbose: print "ACTION: ESCAPE key pressed."
        
        
        # if the camera is previewing -> stop the preview
        if self.__camera and self.__preview_is_active:
            self.__camera.stop_preview()
            self.__preview_is_active = False
            if self.__is_verbose: print "INFO: Camera preview stopped. "
            
            # reset focus to application frame
            self.focus_set()
    
    # --------------------------------------------------------------------------
    #  Button Press Events
    # -------------------------------------------------------------------------- 

def _unbound_to_mousewheel(event, widget):
    if platform.system() == 'Windows' or platform.system() == 'Darwin':
        widget.unbind_all('<MouseWheel>')
        widget.unbind_all('<Shift-MouseWheel>')
    else:
        widget.unbind_all('<Button-4>')
        widget.unbind_all('<Button-5>')
        widget.unbind_all('<Shift-Button-4>')
        widget.unbind_all('<Shift-Button-5>') 

def test_grid_configure_ipady(self):
        b = tkinter.Button(self.root)
        with self.assertRaisesRegexp(TclError, 'bad ipady value "-1": '
                                     'must be positive screen distance'):
            b.grid_configure(ipady=-1)
        b.grid_configure(ipady=1)
        self.assertEqual(b.grid_info()['ipady'], self._str(1))
        b.grid_configure(ipady='.5c')
        self.assertEqual(b.grid_info()['ipady'],
                self._str(int_round(pixels_conv('.5c') * self.scaling))) 

def test_grid_configure_ipadx(self):
        b = tkinter.Button(self.root)
        with self.assertRaisesRegexp(TclError, 'bad ipadx value "-1": '
                                     'must be positive screen distance'):
            b.grid_configure(ipadx=-1)
        b.grid_configure(ipadx=1)
        self.assertEqual(b.grid_info()['ipadx'], self._str(1))
        b.grid_configure(ipadx='.5c')
        self.assertEqual(b.grid_info()['ipadx'],
                self._str(int_round(pixels_conv('.5c') * self.scaling))) 

def test_grid_configure_in(self):
        f = tkinter.Frame(self.root)
        b = tkinter.Button(self.root)
        self.assertEqual(b.grid_info(), {})
        b.grid_configure()
        self.assertEqual(b.grid_info()['in'], self.root)
        b.grid_configure(in_=f)
        self.assertEqual(b.grid_info()['in'], f)
        b.grid_configure({'in': self.root})
        self.assertEqual(b.grid_info()['in'], self.root) 

def test_grid_configure_column(self):
        b = tkinter.Button(self.root)
        with self.assertRaisesRegexp(TclError, 'bad column value "-1": '
                                     'must be a non-negative integer'):
            b.grid_configure(column=-1)
        b.grid_configure(column=2)
        self.assertEqual(b.grid_info()['column'], self._str(2)) 

def test_grid_configure(self):
        b = tkinter.Button(self.root)
        self.assertEqual(b.grid_info(), {})
        b.grid_configure()
        self.assertEqual(b.grid_info()['in'], self.root)
        self.assertEqual(b.grid_info()['column'], self._str(0))
        self.assertEqual(b.grid_info()['row'], self._str(0))
        b.grid_configure({'column': 1}, row=2)
        self.assertEqual(b.grid_info()['column'], self._str(1))
        self.assertEqual(b.grid_info()['row'], self._str(2)) 

def create2(self):
        p = self.create()
        b = tkinter.Button(p)
        c = tkinter.Button(p)
        p.add(b)
        p.add(c)
        return p, b, c 

def create(self, **kwargs):
        return tkinter.Button(self.root, **kwargs) 

def NextWindow(self, methodToExecute):
        listWF = list(self.MainObj.listOfWinFrame)
        print("Size: ", len(listWF))
        
        if (self.method == 0 or self.callingObj == 0):
            print("Calling Method or the Object from which Method is called is 0")
            return
        
        if (self.method != 1):
            methodToExecute()                   ## Executing the Method for "Next Frame" 
        
        if (self.callingObj == self.MainObj.ExEd):
            img = self.MainObj.ExEd.getImage()  ## Getting Result for "Next Frame"
        elif (self.callingObj == self.MainObj.BV):
            img = self.MainObj.BV.getImage()  ## Getting Result for "Next Frame"
        else:
            print ("Error: No specified object for getImage() function")
            
        jpgImg = Image.fromarray(img)
        current = 0
        
        for i in xrange(len(listWF)):       ## Hiding all Frames
            listWF[i].hide()
            if (listWF[i] == self):
                current = i
                print (current)
                

        if (current == len(listWF)-1):    ## Disable the "Next Button" of last frame
            print ("Last")
            listWF[current].unhide()
            listWF[current].setImage(jpgImg)
            listWF[current].displayImage()
            self.btnNext['state'] = 'disable'
        else:                               ## unhide the Next Frame
            listWF[current+1].unhide()
            listWF[current+1].setImage(jpgImg)
            listWF[current+1].displayImage()
            
        print(current, " is done!! _Remove me_") 

def configStop(self, AllowButton=True, ActionText=_("Stop")):
        """Gui Stop Button Configuration"""
        self.chooseNsfButton.config(state=tkinter.DISABLED)
        self.chooseDestButton.config(state=tkinter.DISABLED)
        self.entryPassword.config(state=tkinter.DISABLED)
        if AllowButton:
            self.startButton.config(text=ActionText, state=tkinter.NORMAL)
        else:
            self.startButton.config(text=ActionText, state=tkinter.DISABLED)
        self.optionsButton.config(state=tkinter.DISABLED)
        self.formatTypeEML.config(state=tkinter.DISABLED)
        self.formatTypeMBOX.config(state=tkinter.DISABLED)
        self.formatTypePST.config(state=tkinter.DISABLED) 

def create_buttons(self):
        """Creates and connects the Save, Cancel and Preview buttons"""

        spacing = 0

        button_box = Gtk.HButtonBox()

        button_box.set_border_width(5)
        button_box.set_layout(Gtk.ButtonBoxStyle.EDGE)
        button_box.set_spacing(spacing)

        self._cancel_button = Gtk.Button(stock=Gtk.STOCK_CANCEL)
        self._cancel_button.set_tooltip_text("Don't save changes (ESC)")
        button_box.add(self._cancel_button)

        self._preview_button = Gtk.Button(label="Preview")
        self._preview_button.set_tooltip_text("Show/ update preview (CTRL+P)")
        button_box.add(self._preview_button)

        self._ok_button = Gtk.Button(stock=Gtk.STOCK_SAVE)
        self._ok_button.set_tooltip_text("Update or create new LaTeX output (CTRL+RETURN)")
        button_box.add(self._ok_button)

        self._cancel_button.connect("clicked", self.cb_cancel)
        self._ok_button.connect("clicked", self.cb_ok)
        self._preview_button.connect('clicked', self.update_preview)

        return button_box 

def _Button(self, text, file, command):
        file = os.path.join(rcParams['datapath'], 'images', file)
        im = Tk.PhotoImage(master=self, file=file)
        b = Tk.Button(
            master=self, text=text, padx=2, pady=2, image=im, command=command)
        b._ntimage = im
        b.pack(side=Tk.LEFT)
        return b 

def getListOfWinFrame():
        return self.listOfWinFrame


### Browse Button for Welcome Frame ###