Tcl/Tk for Programmers With Solved Exercises That Work With Unix and Windows

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ISBN: 9780818685156 | 0818685158
Cover: Paperback
Copyright: 9/10/1998

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This introduction to Tcl/Tk bridges the gaps between introductions, comprehensive manuals, and collections of scripts that solve particular problems. There are over 200 exercises with solutions for both Unix and Windows platforms.Tcl/Tk for Programmers introduces high-level Tcl/Tk scripting language to experienced programmers with either Unix or Windows backgrounds. It includes a short introduction to TCP/IP, introductions on writing client-side scripts and GUI interfaces as well as integrating scripts with C/C++. In addition to covering version 8.0/8.0, the book describes the major differences between version 8.0/8.0, 7.6/4.2, and the experimental alpha version 8.1/8.1. Zimmer has extensive knowledge of Tcl/Tk programming and currently runs a consulting and training company based on his experience.

Foreword

(2)

Acknowledgments

xiii

1 Getting Started

(8)

1.1 Obtaining Tcl/Tk

(1)

1.2 Interactive Execution

(3)

1.3 Direct Execution

(2)

1.4 Reading this Book

(1)

1.5 Requirements for Networking Examples

(1)

1.6 Requirements for the C/C++ Connection

(1)

1.7 Tcl/Tk Version Requirements

(1)

I Tcl

(198)

2 Basic Syntax and I/O

(18)

2.1 The Form of a Tcl Script

(2)

2.2 Variables in Tcl

(2)

2.3 Copying a File Line by Line

(1)

2.4 While Loop

(1)

2.5 Curly Brackets

(2)

2.6 Double Quotes

(1)

2.7 Command Substitution

(2)

2.8 Opening Files

(1)

2.9 Completed File Copying Example

(1)

2.10 More about Substitution

(2)

2.11 Solutions to Exercises

(5)

3 Expressions and Branching

(10)

3.1 Expressions

(4)

3.2 Branching

(2)

3.3 Math Functions

(1)

3.4 Solutions to Exercises

(3)

4 Procedures

(26)

4.1 Procedures

(2)

4.2 Global and Local Variables

(2)

4.3 Passing Arguments by Reference

(1)

4.4 Default Values for Parameters

(1)

4.5 Reimplementing Procedures

(1)

4.6 Regional Variables

(5)

4.7 Action Families

(2)

4.8 An Example Action Family

(2)

4.9 Implementing Action Families in Earlier Versions of Tcl

(2)

4.10 Error Handling

(1)

4.11 Procedures Defining Procedures

(1)

4.12 Solutions to Exercises

(7)

5 Data Structures and Iteration

(26)

5.1 Associative Arrays and the Concept of Function

(2)

5.2 Using Arrays for Missing Features

(1)

5.3 Procedures for Working with Arrays

(2)

5.4 The scan and format Procedures

(2)

5.5 Lists

(2)

5.6 An Action Family for Working with Lists

(2)

5.7 Lists Support Flexible Argument Usage

(1)

5.8 Switches and Options

(3)

5.9 Iteration

(4)

5.10 Indexing Web Sites

(1)

5.11 Solutions to Exercises

(6)

6 Strings, Files, and Glob Pattern Matching

(26)

6.1 The string Action Family

(3)

6.2 The file Action Family

(3)

6.3 The info Action Family

(2)

6.4 Glob Patterns

(2)

6.5 Commands Accepting Glob Patterns

101

(2)

6.6 Developing for Multiple Platforms

103

(2)

6.7 A Virtual Machine

105

(5)

6.8 Solutions to Exercises

110

(7)

7 Regexp and Regsub

117

(16)

7.1 Theory and Practice

117

(1)

7.2 Character Set, Quoting, and Style

118

(1)

7.3 Regular-Expression versus Glob Patterns

119

(4)

7.4 Repetitions and Branches

123

(2)

7.5 Use Parentheses to Build more Complicated Patterns

125

(1)

7.6 Use Parentheses to Extract Subpatterns

126

(2)

7.7 Search and Replace

128

(1)

7.8 Style Review

129

(1)

7.9 Solutions to Exercises

129

(4)

8 Tcl Odds and Ends

133

(20)

8.1 Starting Processes and Pipes

133

(2)

8.2 More about I/O

135

(2)

8.3 More about Variables

137

(3)

8.4 The clock Action Family

140

(4)

8.5 Building Command Lines

144

(1)

8.6 Object Action Families

145

(1)

8.7 Executing Scripts from within Scripts

145

(2)

8.8 Interpreter Hierarchies

147

(1)

8.9 Delaying Execution

148

(1)

8.10 Performance Testing

148

(1)

8.11 The Current Directory

149

(1)

8.12 Binary Data

149

(1)

8.13 Solutions to Exercises

150

(3)

9 More about Procedures

153

(12)

9.1 Packages and Automatically Sourcing Procedures

153

(2)

9.2 Loading Procedures in Binary Form

155

(1)

9.3 On Control Structures

156

(4)

9.4 Example Control Structure

160

(2)

9.5 Solutions to Exercises

162

(3)

10 TCP/IP Networks and Event-Driven Programming

165

(42)

10.1 TCP/IP Networks as Seen from Tcl

165

(3)

10.2 The World Wide Web as a Client/Server Application

168

(4)

10.3 Creating a Web Client in Tcl

172

(2)

10.4 The Event Loop

174

(5)

10.5 Timeouts

179

(1)

10.6 Background Error Handling

179

(1)

10.7 Client/Server the Tcl Way

180

(4)

10.8 More about the Event Loop

184

(1)

10.9 The http Package

185

(5)

10.10 A Brief HTML Introduction

190

(3)

10.11 Solutions to Exercises

193

(14)

II Tk

207

(230)

11 Overview of Tk

209

(16)

11.1 Starting with Tk

209

(2)

11.2 The Tk Way of Thinking

211

(5)

11.3 Details of the Caps Example

216

(2)

11.4 Enhancing Caps with Tab

218

(3)

11.5 Cleaning Up the Root Window

221

(1)

11.6 Multiplatform Caveat

221

(2)

11.7 Solutions to Exercises

223

(2)

12 Widget Characteristics

225

(14)

12.1 Focus

225

(2)

12.2 Size

227

(1)

12.3 Frames, the Archetypal, No-Frills Widgets

227

(3)

12.4 Colors

230

(2)

12.5 Fonts

232

(2)

12.6 Mouse Cursor

234

(1)

12.7 Common Options

235

(1)

12.8 Solutions to Exercises

235

(4)

13 Geometry Management

239

(22)

13.1 The pack and grid Action Families

239

(1)

13.2 Slicing

240

(3)

13.3 Slicing for Size Changes

243

(3)

13.4 Padding

246

(1)

13.5 An Array of Cells

247

(3)

13.6 The Cavity

250

(2)

13.7 Placing Widgets more Carefully

252

(2)

13.8 Tricks for Using Pack

254

(1)

13.9 Solutions to Exercises

255

(6)

14 Some Basic Widget Types

261

(20)

14.1 Labels

261

(3)

14.2 Buttons

264

(1)

14.3 Entries

265

(4)

14.4 Images

269

(3)

14.5 Widget Padding

272

(1)

14.6 Active/Normal/Disabled

272

(2)

14.7 Selection

274

(1)

14.8 Solutions to Exercises

274

(7)

15 List of Widget Types

281

(26)

15.1 Button

281

(1)

15.2 Canvas

282

(1)

15.3 Checkbutton

282

(2)

15.4 Entry

284

(1)

15.5 Frame

284

(1)

15.6 Label

285

(1)

15.7 Listbox

285

(1)

15.8 Menu and Menubutton

286

(1)

15.9 Message

287

(2)

15.10 Radiobutton

289

(2)

15.11 Scale

291

(4)

15.12 Scrollbar

295

(1)

15.13 Text

296

(1)

15.14 Toplevel

296

(1)

15.15 Exercises

297

(3)

15.16 Solutions to Exercises

300

(7)

16 Bindings

307

(16)

16.1 User Events

307

(3)

16.2 Getting Information to Event Handlers

310

(1)

16.3 Bindings

311

(3)

16.4 More about Bindings

314

(4)

16.5 Timing

318

(1)

16.6 Solutions to Exercises

319

(4)

17 Partially Displayed Widgets

323

(20)

17.1 Listboxes

323

(4)

17.2 Scrollbars

327

(2)

17.3 Menus and Menubuttons

329

(6)

17.4 Option Menus

335

(2)

17.5 Solutions to Exercises

337

(6)

18 Text Widgets

343

(24)

18.1 A Multiline Entry Widget and More

343

(4)

18.2 Marks and Indexing

347

(4)

18.3 Text Tags

351

(3)

18.4 Tag Subactions

354

(2)

18.5 Tag Options

356

(2)

18.6 Embedded Widgets

358

(2)

18.7 Solutions to Exercises

360

(7)

19 Canvases

367

(34)

19.1 Introduction, Subwindows, and Scrolling

367

(2)

19.2 Anchoring and Discrete Scrolling

369

(2)

19.3 A Script for Examining Canvas Items

371

(1)

19.4 The Oval is a Typical Item

372

(1)

19.5 Canvas Tags

373

(1)

19.6 A Tour of Canvas Items

373

(5)

19.7 Changing Option Values

378

(1)

19.8 Moving Items

379

(2)

19.9 Identifying an Item or Tagged Set under the Mouse

381

(2)

19.10 Canvas-Object Actions

383

(3)

19.11 PostScript

386

(1)

19.12 Implementing the Item Examining Script

387

(4)

19.13 Solutions to Exercises

391

(10)

20 Tk Odds and Ends

401

(14)

20.1 The winfo Action Family

401

(1)

20.2 The wm Action Family

402

(2)

20.3 Cutting and Pasting

404

(2)

20.4 Asserting Primacy among Windows

406

(1)

20.5 A New Command Window

407

(3)

20.6 Solutions to Exercises

410

(5)

21 The Browser Plugin and Safe-Tcl

415

(22)

21.1 The Tcl/Tk Plugin

416

(8)

21.2 Combining Features into Policies

424

(4)

21.3 Writing Tclets

428

(1)

21.4 Customizing Slave Interpreters

429

(4)

21.5 Safe-Tcl

433

(1)

21.6 Solutions to Exercises

433

(4)

III C/C++

437

(100)

22 The C/C++ Connection

439

(20)

22.1 Data Types in Transition

439

(2)

22.2 C Procedures that Run as Tcl/Tk Commands

441

(3)

22.3 Naming Conventions

444

(1)

22.4 Registering Commands

445

(2)

22.5 Extending Tcl with the Recompile/Relink Method

447

(1)

22.6 Extending Tcl with the Load Method

448

(4)

22.7 Creating Math Functions

452

(2)

22.8 Tk

454

(1)

22.9 Solutions to Exercises

454

(5)

23 Essential Library Functions

459

(26)

23.1 Allocating Memory

459

(3)

23.2 Manipulating Objects of Type Tcl_obj

462

(4)

23.3 More about Command Execution

466

(2)

23.4 Accessing Tcl Variables

468

(4)

23.5 List Processing

472

(2)

23.6 Solutions to Exercises

474

(11)

24 Some Useful Library Functions

485

(18)

24.1 Checking Arguments

485

(2)

24.2 Dynamic Strings

487

(2)

24.3 Pattern Matching

489

(3)

24.4 Associative Arrays

492

(2)

24.5 Multiple Associative Arrays

494

(4)

24.6 Solutions to Exercises

498

(5)

25 Creating Tcl Objects in C/C++

503

(34)

25.1 Object Orientation in C

503

(5)

25.2 Object Orientation in Tcl

508

(2)

25.3 Implementing Object Actions

510

(1)

25.4 Implementing Class Actions

511

(2)

25.5 Commands that Work with Multiple Objects

513

(7)

25.6 Solutions to Exercises

520

(7)

Bibliography

537

(2)

Index

539

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Tcl/Tk for Programmers With Solved Exercises That Work With Unix and Windows

Summary

Author Biography

Table of Contents

Supplemental Materials

FREE SHIPPING

Rent More, Save More! Use code: BBRENTAL

5% off 1 book, 7% off 2 books, 10% off 3+ books

Tcl/Tk for Programmers With Solved Exercises That Work With Unix and Windows

Summary

Author Biography

Table of Contents

Supplemental Materials

Digital License