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Additional info for An Introduction to Tkinter
FIXME To display data that the user can manipulate in place, it's probably easier to use the Canvas widget. ") FIXME If you don't specify a size, the label is made just large enough to hold its contents. You can also use the height and width options to explicitly set the size. If you display text in the label, these options define the size of the label in text units. If you display bitmaps or images instead, they define the size in pixels (or other screen units). See the Button description for an example how to specify the size in pixels also for text labels.
State constant The button state: NORMAL, ACTIVE or DISABLED. Default is NORMAL. takefocus flag Indicates that the user can use the Tab key to move to this button. Default is an empty string, which means that the button accepts focus only if it has any keyboard bindings (default is on, in other words). text string The text to display in the button. The text can contain newlines. If the bitmap or image options are used, this option is ignored. textvariable variable Associates a Tkinter variable (usually a StringVar) to the button.
The Frame Widget Option Type Description of another window instead (this window must be on the same screen and have the same visual characteristics). You can also use the value “new” to allocate a new color map for this frame. You cannot change this option once you've created the frame. Chapter 27. The Grid Geometry Manager When to use the Grid Manager cursor cursor The cursor to show when the mouse pointer is placed over the button widget. Default is a system specific arrow cursor. relief constant Border decoration.