A Developer's Guide To order this title, and for more information, click here Second Edition
By Clif Flynt, CEO, Noumena Corporation, Dexter, Michigan
Description Tcl/Tk (Tool Command Language/Tool Kit) makes it fast and easy to implement any type of application, from games to network analyzers.
Tcl/Tk is a full-bodied, mature programming platform used by NASA rocket scientists, Wall Street database experts, Internet designers,
and open source programmers around the world. Tcl/Tk's multi-faceted and extensible nature make it ideal for developing end-user GUIs,
client/server middleware, Web applications, and more. You can code completely in Tcl, use any of hundreds of extensions, call C or Java
subroutines from Tcl/Tk, or use Tcl to glue legacy applications together.
Written from a programmer's perspective, Tcl/Tk: A
Developer's Guide describes how to use Tcl's standard tools and the unique features that make Tcl/Tk powerful: including graphics
widgets, packages, namespaces, and extensions. With this book an experienced programmer will be able to code Tcl in a few hours. In just
a few chapters you will learn about Tcl features that allow you to isolate and protect your code from being damaged in large applications.
You will even learn how to extend the language itself.
Tcl/Tk: A Developer's Guide clearly discusses development tools,
proven techniques, and existing extensions. It shows how to use Tcl/Tk effectively and provides many code examples. This fully revised
new edition is the complete resource for computer professionals, from systems administrators to programmers. It covers versions 7.4
to 8.4 and includes a CD-ROM containing the interpreters, libraries, and tutorials to get you started quickly. Additional materials in
the book include case studies and discussions of techniques for the advanced user.
On the CD-ROM
*Distributions for
Tcl 8.3 and 8.4 for Linux, Solaris, Macintosh, and Windows.
*A copy of ActiveTcl from ActiveState.
*The latest release of TclTutor.
*How-to's and tutorials as well as copies of all the tools discussed in the book.
*The author's "Tclsh Spot" articles from :login; magazine
and the "Real World" Tcl/Tk chapters from the first edition.
*Demo copies of commercial development tools from ActiveState and NeatWare.
*Many open source Tcl/Tk development tools.
*Tcl/Tk design guidelines.
Audience
Programmers, Internet designers, and open source programmers.
Contents Tcl/Tk Features.
1.1 Tcl Overview.
1.1.1 The Standard Tcl Distribution
1.2 Tcl as a Glue Language
1.2.2 Tcl Scripts Compared with Unix
Shell Scripts
1.2.3 Tcl Scripts Compared with MS-DOS .bat Files
1.3 Tcl as a General-Purpose Interpreter
1.3.1 Tcl/Tk Compared with Visual
Basic
1.3.2 Tcl/Tk Compared with Perl
1.3.3 Tcl/Tk Compared with Python
1.3.4 Tcl/Tk Compared with Java
1.4 Tcl as an Extensible Interpreter
1.5 Tcl as an Embeddable Interpreter
1.6 Tcl as a Rapid Development Tool
1.7 GUI-Based Programming
1.8 Shipping Products
1.9 Bottom Line
1.10 Problems
The Mechanics of Using the Tcl and Tk Interpreters.
2.1 The tclsh and wish Interpreters
2.1.1 Starting the tclsh and wish
Interpreters
2.1.2 Starting tclsh or wish under Unix
2.1.3 Starting tclsh or wish under Microsoft Windows
2.1.4 Starting tclsh or wish
on the Mac
2.1.5 Exiting tclsh or wish
2.2 Using tclsh/wish Interactively
2.2.1 Tclsh as a Command Shell
2.2.2 Tk Console (tkcon) --
An Alternative Interactive tclsh/wish Shell
2.2.3 Evaluating Scripts Interactively
2.3 Evaluating Tcl Script Files
2.3.1 The Tcl Script
File
2.3.2 Evaluating Tcl Script Files
2.3.3 Evaluating a Tcl Script File under Unix
2.3.4 Evaluating a Tcl Script File under Microsoft
Windows
2.3.5 Evaluating a Tcl Script on the Mac
2.4 Bottom Line
2.5 Problems
Introduction to the Tcl Language.
3.1 Overview of the
Basics
3.1.1 Syntax
3.1.2 Grouping Words
3.1.3 Comments
3.1.4 Data Representation
3.1.5 Command Results
3.1.6 Errors
3.2 Command Evaluation
and Substitutions
3.2.1 Substitution
3.2.2 Controlling Substitutions with Quotes, Curly Braces, and Backslash
3.2.3 Steps in Command
Evaluation
3.3 Data Types
3.3.1 Assigning Values to Variables
3.3.2 Strings
3.3.3 String Processing Commands
3.3.4 Lists
3.3.5 List Processing
Commands
3.3.6 Associative Arrays
3.3.7 Associative Array Commands
3.3.8 Binary Data
3.3.9 Handles
3.4 Arithmetic and Boolean operations
3.4.1 Math Operations
3.4.2 Conditionals
3.4.3 Looping
3.5 Modularization
3.5.1 Procedures
3.6 Bottom Line
3.7 Problems
File System,
Disk I/O and Sockets.
4.0.1 Navigating the File System
4.0.2 Properties of file system items
4.0.3 Removing files
4.1.2 Input
4.1.3 Creating
a channel
4.1.4 Closing Channels
4.1 Input/Output in Tcl
4.1.1 Output
4.2 Sockets
4.2.1 Using a client socket
4.2.2 Controlling Data
Flow
4.2.3 Server Sockets
4.3 Bottom Line
4.4 Problems
Using Strings and Lists.
5.1 Converting a String into a List
5.2 Examining the
List with a for Loop
5.3 Using the foreach Command
5.4 Using the string match instead of string first
5.5 Using lsearch
5.6 The regexp
Command
5.6.1 Regular Expression Matching Rules
5.6.2 Advanced and Extended Regular Expression Rules
5.7 Creating a Procedure
5.8 Making
a Script
5.9 Speed Considerations
5.10 Bottom Line
5.11 Problems
Building complex data structures with lists and arrays.
6.1 Using the
Tcl List
6.2 Using the Associative Array
6.3 Exception handling and Introspection
6.4 Trees in Tcl
6.5 Tree Library Implementation
6.5.5
Generating unique names
6.6 Using the Tree Library
6.7 Speed Considerations
6.8 Bottom Line
6.9 Problems
Procedure Techniques.
7.1 Arguments
to Procedures
7.1.1 Variable Number of Arguments to a Procedure
7.1.2 Default Values for Procedure Arguments
7.2 Renaming or Deleting
Commands
7.3 Getting Information about Procedures
7.4 Substitution and Evaluation of Strings
7.4.1 Performing Variable Substitution on
a String
7.4.2 Evaluating a String as a Tcl Command
7.5 Working with Global and Local Scopes
7.5.1 Global and Local Scope
7.6.1 An Object
Example
7.6.2 Creating a Tree Object
7.6.3 Defining the Object's Method
7.6 Making a Tcl Object
7.7 Bottom Line
7.8 Problems
Namespaces
and Pack.
8.1 Namespaces and Scoping Rules
8.1.1 Namespace Scope
8.1.2 Namespace Naming Rules
8.1.3 Accessing Namespace Entities
8.1.4
Why Use Namespaces?
8.1.5 The namespace and variable Commands
8.1.6 Creating and Populating a Namespace
8.1.7 Namespace Nesting
8.2 Packages
8.2.1 How Packages Work
8.2.2 Internal Details: Files and Variables Used with Packages
8.2.3 Package Commands
8.2.4 Version Numbers
8.2.5
Package Cookbook
8.3 A Tree Object Package with Namespaces
8.3.1 Adding Namespace and Package to tree.tcl
8.3.2 The Tree Object in a
Namespace
8.3.3 Procedures and Namespace Scopes
8.4 Bottom Line
8.5 Problems
Introduction to Tk Graphics.
9.1 Creating a Widget
9.2
Conventions
9.2.1 Widget Naming Conventions
9.2.2 Color Naming Conventions
9.2.3 Dimension Conventions
9.3 Common
9.4 Determining and
Setting Options
9.5 The Basic Widgets
9.6 Introducing Widgets: label, button, and entry
9.7 Widget Layout: frame, place, pack, and grid
9.7.1 The frame Widget
9.7.2 The place Layout Manager
9.7.3 The pack Layout Manager
9.7.4 The grid Layout Manager
9.7.5 Working Together
9.8 Selection Widgets: radiobutton, checkbutton, menu, and listbox
9.8.1 radiobutton and checkbutton
9.8.2 Pull-down Menus: menu, menubutton
and menubars
9.8.2.1 Menubars
9.8.3 Selection widgets: listbox
9.9 Scrollbar
9.9.1 The Basic scrollbar
9.9.2 scrollbar Details
9.9.3
Intercepting scrollbar Commands
9.13.1 Canceling the Future
9.10 The scale Widget
9.11 New Windows
9.12 Interacting with the Event Loop
9.13 Scheduling the Future: after
9.14 Bottom Line
9.15 Problems
Using the canvas widget.
10.1 Overview of the canvas Widget
10.1.1
Identifiers and Tags
10.1.2 Coordinates
10.1.3 Binding
10.2 Creating a canvas
10.3 Creating Displayable Canvas Items
10.3.1 An Exam
10.4
More Canvas Widget Subcommands
10.4.1 Modifying an Item
10.4.2 Changing the Display Coordinates of an Item
10.4.3 Moving an Item
10.4.4
Finding Items, Raising and Lowering Items
10.4.5 Fonts and Text items
10.4.6 Using a Canvas Larger than the View
10.5 The bind and focus
Commands
10.5.1 The bind Command
10.5.2 The Canvas Widget bind Subcommand
10.5.3 Focus
10.6 Creating a Widget
10.7 A Help-Balloon: Interacting
with the window manager
10.8 The image Object
10.8.1 The image Command
10.8.2 Bitmap Images
10.8.3 Photo Images
10.8.4 Revisiting the
delayButton Widget
10.9 Bottom Line
10.10 Problems
The text widget and htmllib.
11.1 Overview of the text Widget
11.1.1 Text Location
in the text Widget
11.1.2 Tag Overview
11.1.3 Mark Overview
11.1.4 Image Overview
11.1.5 Window Overview
11.2 Creating a text Widget
11.3 Text Widget Subcommands
11.3.1 Inserting and deleting text
11.3.2 Searching Text
11.3.3 The mark Subcommands
11.3.4 Tags
11.3.4.2
Finding Tags
11.3.5 Inserting Images and Widgets into a text Widget
11.4 HTML Display Package
11.4.1 Displaying HTML Text
11.4.2 Using
html_library Callbacks: Loading Images and Hypertext Links
11.4.3 Interactive help with the text widget and htmllib
11.5 Bottom Line
11.6 Problems
Tk Megawidgets.
12.1 Standard Dialog Widgets
12.2 Megawidget Building Philosophy
12.2.1 Display in Application Window
or Main Display?
12.2.2 Modal versus Modeless Operation
12.2.3 Widget Access Conventions
12.2.4 Widget Frames
12.2.5 Configuration
12.2.6
Access to Subwidgets
12.2.7 Following Tk Conventions
12.3 Functionality that makes Megawidgets possible
12.3.1 The rename command
12.3.2
The option command
12.3.3 The -class option
12.4 Building a Megawidget
12.5 A Scrolling Listbox Megawidget
12.5.1 scrolledListBox Description
12.5.2 Using the scrolledLB
12.5.3 Implementing the Scrollable ListBox
12.5.4 The scrolledLB Code
12.6 Namespaces and Tk widgets
12.7
Incorporating a Megawidget into a Larger Megawidget
12.8 Making a Modal Megawidget: The grab and tkwait Commands
12.8.1 The grab command
12.8.2 The tkwait command
12.8.3 The modal widget code
12.9 Automating megawidget Construction
12.9.1 Building megawidgets from a skeleton
12.9.2 Building megawidgets from a configuration file
12.9.3 Another technique for building megawidgets
12.10 Bottom Line
12.11 Problems
Writing a Tcl Extension.
13.1 Functional View of a Tcl Extension
13.1.1 Overview
13.1.2 Initialize any persistent data structures
13.1.3
Register new commands with the Interpreter
13.1.4 Accept data from Tcl Interpreter
13.1.5 Returning Results
13.1.6 Returning Status to
the Script
13.1.7 Dealing with Persistent Data
13.2 Building an Extension
13.2.1 Structural Overview of an Extension
13.2.2 Naming Conventions
13.3 An Example
13.3.1 demoInt.h
13.3.2 demoInit.c
13.3.3 demoCmd.c
13.3.4 demoDemo.c
13.4 Complex Data
13.5 Bottom Line
13.6 Exercises
Extensions and Package.
14.1 [incr Tcl]
14.2 Expect
14.3 TclX
14.4 Sybtcl and Oratcl
14.5 MySqlTcl
14.6 VSdb Package
14.7 BWidgets
14.8
BLT
14.9 Graphics Extensions: Img
14.10 Bottom Line
Programming Tools.
15.1 Code Formatter
15.1.1 frink
15.2 Code Checkers
15.2.1 tclCheck
15.2.2 ICEM ice_lint
15.2.3 procheck
15.3 Debuggers
15.3.1 Debug
15.3.2 Graphic Debuggers
15.4 GUI Generators
15.4.1 SpecTcl
15.4.2 Visual
GYPSY
15.5 Tcl Compilers
15.5.1 ICEM Tcl Compiler
15.5.2 TclPro procomp
15.6 Packaging Tools
15.6.1 TclPro prowrap
15.6.2 FreeWrap
15.6.3
Starkit and Starpack
15.7 Tcl Extension Generators
15.7.1 SWIG
15.7.2 CriTcl
15.8 Integrated Development Environments
15.8.1 ASED
15.8.2
Komodo
15.8.3 MyrmecoX
15.9 Bottom Line
Tips and Techniques.
16.1 Debugging Techniques
16.2 Tcl as a Glue Language: The exec Command
16.3 Common Mistakes
16.4 Coding Tips and Techniques
16.5 Bottom Line
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