Tcl/Tk - Geometry Managers

Geometry Managers - Tcl/Tk module T218

A Tk Graphic User Interface comprises a number of component elements known as widgets. Geometry managers allow the programmer to control the layout of the widgets within the windows, and to specify how the layout is to be changed should the widgets be of uneven size or if the window is resized.

This topic is presented on public course Tcl/Tk

Examples from our training material

numpad	Laying out a numeric keypad on a grid
tk_l2	Grid geometry manager, showing cell size via colour
tk_l3	Grid geometry manager, expanding cells via -sticky news
tk_l4	Grid geometry manager - column weights to control resize behaviour
tk_log	Grid geometry manager - first example
tk_wh2	Grid geometry manager - cells spanning multiple rows and columns
tk_wh3	An example of the place geometry manager in use
tk_which	Grid geometry manager, using -rowspan and -columnspan

Opentalk forum discussions related to this topic

Tk Geometry strings

Background information

You may download this module as a sample of our material

Topics covered in this module

The grid geometry manager.
Sizing and filling cells.
Managing rows and columns.
Cells that span several rows or columns.
Placing geometry.

Complete learning

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