Book Image

C++ Windows Programming

By : Stefan Björnander
Book Image

C++ Windows Programming

By: Stefan Björnander

Overview of this book

It is critical that modern developers have the right tools to build practical, user-friendly, and efficient applications in order to compete in today’s market. Through hands-on guidance, this book illustrates and demonstrates C++ best practices and the Small Windows object-oriented class library to ease your development of interactive Windows applications. Begin with a focus on high level application development using Small Windows. Learn how to build four real-world applications which focus on the general problems faced when developing graphical applications. Get essential troubleshooting guidance on drawing, spreadsheet, and word processing applications. Finally finish up with a deep dive into the workings of the Small Windows class library, which will give you all the insights you need to build your own object-oriented class library in C++.

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Table of Contents (22 chapters)
C++ Windows Programming
C++ Windows Programming
Credits
Credits
About the Author
About the Author
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Dedication
Dedication
Preface
Preface
Free Chapter
1
Introduction
Introduction
The library
Summary
2
Hello, Small World!
Hello, Small World!
Hello, Small Windows!
The circle application
Summary
3
Building a Tetris Application
Building a Tetris Application
The MainWindow function
The Tetris window
The TetrisFigure class
The GameGrid class
Summary
4
Working with Shapes and Figures
Working with Shapes and Figures
The MainWindow function
The DrawDocument class
Summary
5
The Figure Hierarchy
The Figure Hierarchy
The DrawFigure class
The LineFigure class
The ArrowFigure class
The RectangleFigure class
The EllipseFigure class
Summary
6
Building a Word Processor
Building a Word Processor
Auxiliary classes
The MainWindow class
The WordDocument class
Summary
7
Keyboard Input and Character Calculation
Keyboard Input and Character Calculation
Keyboard handling
Character calculation
Summary
8
Building a Spreadsheet Application
Building a Spreadsheet Application
The MainWindow class
The CalcDocument class
Source and target sets
Graph searching
Error handling
Summary
9
Formula Interpretation
Formula Interpretation
Formula interpretation
Matrix and reference
The cell
Further reading
Summary
10
The Framework
The Framework
An overview of Small Windows
"Hello" window for the Win32 API
The MainWindow function
The WinMain function
The Application class
The Window class
The Graphics class
Summary
11
The Document
The Document
The Document class
The Menu class
The Accelerator class
The StandardDocument class
Summary
12
The Auxiliary Classes
The Auxiliary Classes
The Size class
The Point class
The Rect class
The Color class
The Font class
The Cursor class
The DynamicList class
The Tree class
The InfoList class
Strings
Summary
13
The Registry, Clipboard, Standard Dialogs, and Print Preview
The Registry, Clipboard, Standard Dialogs, and Print Preview
The registry
The Clipboard class
Standard dialogs
Print preview
Summary
14
Dialogs, Controls, and Page Setup
Dialogs, Controls, and Page Setup
Custom dialogs
Controls
Converters
Page setup
Summary
Rational and Complex Numbers
Rational and Complex Numbers
Rational numbers
Complex numbers
Summary

Formula interpretation

The core of a spreadsheet program is its ability to interpret formulas. When the user inputs a formula in a cell, it is interpreted and its value is evaluated. The process of formula interpretation is divided into three separate steps. First, given the input string, the Scanner generates a Token List, then the Parser generates a Syntax Tree, and the Evaluator determines the value.

A token is the least significant part of the formula. For instance, a1 is interpreted as a reference and 1.2 is interpreted as a value. Assuming that the cells have values according to the following sheet, the formula interpretation process will be as follows. Remember that a formula is text beginning with an equal sign (=).

The tokens

The scanner takes a string as input and finds its least significant parts-its tokens. Spaces between the tokens are ignored, and the scanner makes out no difference between capital and small letters. The Value token needs an extra piece of information...

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