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Step-5 Select the Proper Kinds of Windows Step-5 Select the Proper Kinds of Windows

Issues addressed n n n n A Window’s characteristics Components Presentation styles Types of Issues addressed n n n n A Window’s characteristics Components Presentation styles Types of windows Organizing system functions Operations Web system frames & pop-ups

Window Characteristics n n n n n Title Size State (accessible/not accessible) Visibility Location Window Characteristics n n n n n Title Size State (accessible/not accessible) Visibility Location Presentation Management capabilities Highlight function

Constraints in Window System Design n Historical considerations - Focus on hardware problems Little Constraints in Window System Design n Historical considerations - Focus on hardware problems Little research on design & usability No standards n Hardware limitations - - Display size Processing speed, memory size Screen resolution n Human limitations - - Learning & using of more operations (window manipulation) Full screen vs. overlapping windows

Components of a Window n n n n See table on p. 392 (423) Components of a Window n n n n See table on p. 392 (423) Frame Title bar icon Window sizing buttons What’s this? Button Menu bar Status bar Scroll bars Split box Command area Size grip Work area

Window Presentation Styles n Tiled windows Overlapping windows n Cascading windows n Window Presentation Styles n Tiled windows Overlapping windows n Cascading windows n

Picking a presentation style n Tiled windows for: - single-task activities Simultaneous view Little Picking a presentation style n Tiled windows for: - single-task activities Simultaneous view Little window manipulation Novice or inexperienced user n Overlapping windows for: - - Switching between tasks More window manipulation Expert or experienced users Unpredictable display contents

Types of Windows n Primary window - Independent function Frequently used n Secondary window Types of Windows n Primary window - Independent function Frequently used n Secondary window - - Supplemental actions More complex, related n Dialog boxes - - Brief messages Specific, short actions n See table on p. 402 -

Others n n Organization Web browser Others n n Organization Web browser

In-class exercise n Team projects In-class exercise n Team projects