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Tkinter Toplevel
Toplevel widgets work as windows that are directly managed by the window manager. They do not necessarily have a parent widget on top of them.
Your application can use any number of top-level windows.
Syntax
Here is the simple syntax to create this widget −
w = Toplevel ( option, ... )
Parameters
options − Here is the list of most commonly used options for this widget. These options can be used as key-value pairs separated by commas.
Sr.No. | Options & Description |
---|---|
1 | bg The background color of the window. |
2 | bd Border width in pixels; default is 0 |
3 | cursor The cursor that appears when the mouse is in this window. |
4 | class_ Normally, text selected within a text widget is exported to be the selection in the window manager. Set exportselection=0 if you don't want that behavior. |
5 | font The default font for text inserted into the widget. |
6 | fg The color used for text (and bitmaps) within the widget. You can change the color for tagged regions; this option is just the default. |
7 | height Window height. |
8 | relief Normally, a top-level window will have no 3-d borders around it. To get a shaded border, set the bd option larger that its default value of zero, and set the relief option to one of the constants. |
9 | width The desired width of the window. |
Methods
Toplevel objects have these methods −
Sr.No. | Methods and Description |
---|---|
1 | deiconify() Displays the window, after using either the iconify or the withdraw methods |
2 | frame() Returns a system-specific window identifier. |
3 | group(window) Adds the window to the window group administered by the given window. |
4 | iconify() Turns the window into an icon, without destroying it. |
5 | protocol(name, function) Registers a function as a callback which will be called for the given protocol. |
6 | iconify() Turns the window into an icon, without destroying it. |
7 | state() Returns the current state of the window. Possible values are normal, iconic, withdrawn and icon. |
8 | transient([master]) Turns the window into a temporary(transient) window for the given master or to the window's parent, when no argument is given. |
9 | withdraw() Removes the window from the screen, without destroying it. |
10 | maxsize(width, height) Defines the maximum size for this window. |
11 | minsize(width, height) Defines the minimum size for this window. |
12 | positionfrom(who) Defines the position controller. |
13 | resizable(width, height) Defines the resize flags, which control whether the window can be resized. |
14 | sizefrom(who) Defines the size controller. |
15 | title(string) Defines the window title. |
Example
Try following example yourself −
from tkinter import * root = Tk() root.title("hello") top = Toplevel() top.title("Python") top.mainloop()
When the above code is executed, it produces the following result −