DRAFT (7/10/93): Distribution Restricted

Chapter 39 Events 353

39.1 X events 353

39.2 File events 357

39.3 Timer events 359

39.4 Idle callbacks 360

39.5 Generic event handlers 361

39.6 Invoking the event dispatcher 362

Chapter 40 Displaying Widgets 365

40.1 Delayed redisplay 365

40.2 Double-buffering with pixmaps 367

40.3 Drawing procedures 367

Chapter 41 Destroying Widgets 371

41.1 Basics 371

41.2 Delayed cleanup 372

Chapter 42 Managing the Selection 377

42.1 Selection handlers 377

42.2 Claiming the selection 380

42.3 Retrieving the selection 381

Chapter 43 Geometry Management 383

43.1 Requesting a size for a widget 383

43.2 Internal borders 385

43.3 Grids 386

43.4 Geometry managers 387

43.5 Claiming ownership 388

43.6 Retrieving geometry information 388

43.7 Mapping and setting geometry 389