Tcl/Tk 8.5 Programming Cookbook

Table of Contents

• Preface

• Chapter 1: The Tcl Shell
• Introduction
• The Tcl shell
• Writing to the Tcl console
• Mathematical expressions
• Tcl expr operands
• Mathematical functions
• Computing mathematical expressions
• Referencing files in Tcl
• Variables
• Command line arguments

• Chapter 2: Using the Building Blocks Control Constructs
• Introduction
• Controlling flow with the if statement
• Looping with for
• Looping with foreach
• Looping with while
• Continuing a procedure
• Breaking out of a procedure
• Nested looping

• Chapter 3: Error Handling
• Introduction
• Using the catch command
• Using the eval command
• Using the error command
• Error handling procedure

• Chapter 4: Handling String Expressions
• Introduction
• Appending to a string
• Formatting a string
• Matching a regular expression within a string
• Performing character substitution on a string
• Parsing a string using conversion specifiers
• Determining the length of a string
• Comparing strings
• Comparing a string of characters
• Locating the first instance of a character
• Locating the index of a character
• Determining the class of a string
• Locating the last instance of a string
• Determining the size of a string
• Replacing values within a string
• Locating a pattern within a string
• Returning a range of characters from a string
• Creating a string of repeated characters
• Replacing ranges of characters contained within a string
• Creating a reverse string
• Converting a string to lowercase
• Converting a string to title
• Converting a string to uppercase
• Trimming a string
• Trimming leading whitespace
• Trimming trailing whitespace
• Locating the word end
• Locating the word start
• Performing variable substitution

• Chapter 5: Expanding String Functionality Using Lists
• Introduction
• Creating a list
• Joining two lists
• Joining list elements
• Appending list elements
• Assigning list elements to variables
• Retrieving an element from a list
• Inserting elements into a list
• Determining the number of elements
• Getting a list element
• Repeating elements
• Replacing elements
• Reversing elements
• Searching a list
• Editing a list
• Sorting a list
• Splitting a string into a list

• Chapter 6: The Tcl Dictionary
• Introduction
• Creating a dictionary
• Appending to a dictionary
• Determining if a key exists
• Filtering a dictionary
• Searching a dictionary
• Getting a record
• Incrementing a value
• Getting the dictionary structure
• Getting a list of keys
• Appending to an existing record
• Merging two dictionaries
• Creating a blank dictionary structure
• Updating variables from a dictionary
• Determining the size of a dictionary
• Getting all records
• Assigning values

• Chapter 7: File Operations
• Introduction
• Opening a file
• Configuring a file
• Opening a command pipeline
• Writing a file
• Reading a file
• Closing a file
• File handling

• Chapter 8: Tk GUI Programming with Tcl/Tk
• Introduction
• Creating a widget
• Writing to the console
• Setting the attributes of the window through window manager
• Creating an additional window
• Destroying a window
• Creating a custom dialog

• Chapter 9: Configuring and Controlling Tk Widgets
• Introduction
• Creating a frame widget
• Creating a label widget
• Creating an entry widget
• Creating a button widget
• Creating a listbox widget
• Creating an image
• Creating a simple form

• Chapter 10: Geometry Management
• Introduction
• Controlling layout with the pack command
• Controlling layout with the grid command
• Combining pack and grid
• Creating an address book interface

• Chapter 11: Using Tcl Built-in Dialog Windows
• Introduction
• Displaying a message box
• Displaying a confirmation dialog
• Displaying the color picker
• Displaying the directory dialog
• Displaying the file selection dialog
• Selecting a directory and file

• Chapter 12: Creating and Managing Menus
• Introduction
• Creating a menu
• Adding menu buttons
• Displaying a pop-up menu
• Data entry application

• Chapter 13: Creating the Address Book Application
• Introduction
• Creating the Address Book application
• Adding a record
• Navigating records
• Deleting a record
• Finding a record
• Full listing

• Index