optionmenu

how we can add menu item dynamically

由 余生长醉 提交于 2019-11-27 11:45:10
问题 hi frnds am creating an application which is a tab application. in my Home which extends sherlockFragmentActivity, i am inflating menu.xml and includes code for on optionMenuitem click listener. The Fragmentactivity contains tabhost and on each tab it load fragments. this is my menu.xml <item android:id="@+id/action_settings" android:orderInCategory="100" android:showAsAction="always" android:icon="@drawable/setting_selector" android:title="" > <menu > <item android:id="@+id/Profile" android

Change OptionMenu based on what is selected in another OptionMenu

由 拜拜、爱过 提交于 2019-11-27 05:04:31
I am currently trying to make two OptionMenu s, where the second will be updated dynamically based on what is selected in the first OptionMenu . For example, I would like to make OptionMenu_A with list [North America, Europe, Asia] If Asia is selected, then OptionMenu_B will change to something like [Japan, China, Malasia] . If Europe is selected, then it will change to [Germany, France, Switzerland] for example. I am able to make two OptionMenu s but can't get OptionMenu_B to update based on OptionMenu_A 's status. Would anybody be kind enough to show if such thing is possible? A. Rodas Yes,

Changing the options of a OptionMenu when clicking a Button

由 做~自己de王妃 提交于 2019-11-27 04:33:39
Say I have an option menu network_select that has a list of networks to connect to. import Tkinter as tk choices = ('network one', 'network two', 'network three') var = tk.StringVar(root) network_select = tk.OptionMenu(root, var, *choices) Now, when the user presses the refresh button, I want to update the list of networks that the user can connect to. I don't I can use .config because I looked through network_select.config() and didn't see an entry that looked like the choices I gave it. I don't think this is something one can change using a tk variable, because there is no such thing as a

tkinter optionmenu first option vanishes

由 前提是你 提交于 2019-11-27 01:23:04
问题 A ttk optionmenu widget starts out with all of its values in the dropdown. Upon selecting any value, the first value in the list vanishes, never to reappear... Does anyone know why? Is this a feature of the widget's design? Try it with the following: import tkinter.ttk as ttk import tkinter as tk a = tk.Tk() options = ['1', '2', '3'] value = tk.StringVar() masterframe = ttk.Frame() masterframe.pack() dropdown = ttk.OptionMenu(masterframe, value, *options) dropdown.pack() a.mainloop() Note -

Change OptionMenu based on what is selected in another OptionMenu

由 ≯℡__Kan透↙ 提交于 2019-11-26 12:46:54
问题 I am currently trying to make two OptionMenu s, where the second will be updated dynamically based on what is selected in the first OptionMenu . For example, I would like to make OptionMenu_A with list [North America, Europe, Asia] If Asia is selected, then OptionMenu_B will change to something like [Japan, China, Malasia] . If Europe is selected, then it will change to [Germany, France, Switzerland] for example. I am able to make two OptionMenu s but can\'t get OptionMenu_B to update based

Changing the options of a OptionMenu when clicking a Button

由 匆匆过客 提交于 2019-11-26 11:16:25
问题 Say I have an option menu network_select that has a list of networks to connect to. import Tkinter as tk choices = (\'network one\', \'network two\', \'network three\') var = tk.StringVar(root) network_select = tk.OptionMenu(root, var, *choices) Now, when the user presses the refresh button, I want to update the list of networks that the user can connect to. I don\'t I can use .config because I looked through network_select.config() and didn\'t see an entry that looked like the choices I gave
订阅 optionmenu