Course Catalog

Building Applications With Tcl/Tk

Topics

• Tcl/Tk Basics
• Using wish
• "Hello World" GUI example
• Anatomy of a Tk widget
• Configuration options
• Making Widgets Work Together
• Variables
• Checkbuttons/radiobuttons/listboxes and scrollbars
• Understanding the event loop
• Using images
• Quoting rules
• Procedures
• Local versus global scope
• Understanding the pack Facility
• Filling the cavity
• Pack options
• Handling resizable windows
• Make your packing job simple
• Widget hierarchy
• Understanding the grid Facility
• Putting widgets in rows and columns
• Making grids resizable
• A Closer Look at Tcl
• Building and manipulating lists
• Defining and using arrays
• Conditionals and looping
• Coding style
• Simple Applications
• Manipulating images
• Procedures with optional arguments
• Procedures with variable argument lists
• Tracing down errors
• Tapping into Events
• How events work
• Using the bind command
• Overview of the canvas widget
• Simple sketch pad program
• Rubberbanding on the canvas
• Menu Bars
• Creating menu bars
• Cascade menus
• Menu accelerators
• Dialogs
• Dialog boxes
• Using grab to implement modal dialogs
• Centering dialogs on the screen
• Building Text Displays
• Overview of the text widget
• Setting tab stops
• Using tags to apply text styles
• Managing Files and Processes
• Overview of file-related commands
• Opening and closing files
• Reading and writing files
• Using scan and regexp for parsing input
• Using catch to handle errors
• Using exec to execute other Unix processes
• Using open to open pipes
• Adding Extensions in C
• Software architecture
• Popular extensions: [incr Tcl], BLT, TclX
• Writing a command-handling procedure
• Creating a customized wish
• Mix and match with other extensions
• Trade-offs

Audience

Course Length

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