February 2008
Intermediate to advanced
752 pages
19h 5m
English
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4. Implementing Application Functionality
- The Central Widget
- Subclassing QTableWidget
- Loading and Saving
- Implementing the Edit Menu
- Implementing the Other Menus
- Subclassing QTableWidgetItem
In the previous two chapters, we explained how to create the Spreadsheet application’s user interface. In this chapter, we will complete the program by coding its underlying functionality. Among other things, we will see how to load and save files, how to store data in memory, how to implement clipboard operations, and how to add support for spreadsheet formulas to QTableWidget.
The Central Widget
The central area of a QMainWindow can be occupied by any kind ...