tailieunhanh - Lecture Object Oriented Programing - Chapter 22: GUI components (cont)

In this chapter you will learn: To create and manipulate sliders, menus, pop-up menus and windows; to change the look-and-feel of a GUI, using Swings pluggable look-and-feel; to create a multiple-document interface with JDesktopPane and JInternalFrame; to use additional layout managers. | 22 GUI Components: Part 2 An actor entering through the door, youve got nothing. But if he enters through the window, youve got a situation. Billy Wilder .the force of events wakes slumberous talents. Edward Hoagland You and I would see more interesting photography if they would stop worrying, and instead, apply horse-sense to the problem of recording the look and feel of their own era. Jessie Tarbox Beals OBJECTIVES In this chapter you will learn: To create and manipulate sliders, menus, pop-up menus and windows. To change the look-and-feel of a GUI, using Swings pluggable look-and-feel. To create a multiple-document interface with JDesktopPane and JInternalFrame. To use additional layout managers. Introduction JSlider Windows: Additional Notes Using Menus with Frames JPopupMenu Pluggable Look-and-Feel JDesktopPane and JInternalFrame JTabbedPane Layout Managers: BoxLayout and GridBagLayout Wrap-Up . | 22 GUI Components: Part 2 An actor entering through the door, youve got nothing. But if he enters through the window, youve got a situation. Billy Wilder .the force of events wakes slumberous talents. Edward Hoagland You and I would see more interesting photography if they would stop worrying, and instead, apply horse-sense to the problem of recording the look and feel of their own era. Jessie Tarbox Beals OBJECTIVES In this chapter you will learn: To create and manipulate sliders, menus, pop-up menus and windows. To change the look-and-feel of a GUI, using Swings pluggable look-and-feel. To create a multiple-document interface with JDesktopPane and JInternalFrame. To use additional layout managers. Introduction JSlider Windows: Additional Notes Using Menus with Frames JPopupMenu Pluggable Look-and-Feel JDesktopPane and JInternalFrame JTabbedPane Layout Managers: BoxLayout and GridBagLayout Wrap-Up Introduction Pluggable look-and-feel (PLAF) Swing can customize the look-and-feel of the GUI Motif A popular UNIX look-and-feel Multiple-document interface (MDI) A main window (the parent window) containing other windows (child windows) Manages several open documents parallel JSlider JSlider Enables the user to select from a range of integer values Inherits from JComponent Contains: Tick marks Can display major tick marks, minor tick marks and labels for tick marks Are not displayed by default Thumb Allows the user to select a value Snap-to ticks Cause the thumb to snap to the closest tick mark Fig. | JSlider component with horizontal orientation. thumb tick mark JSlider (Cont.) If a JSlider has the focus (is the currently selected GUI component in the user interface) Left/right arrow keys cause the thumb of the JSlider to decrease/increase by 1 Down/up arrow keys cause the thumb of the JSlider to decrease/increase by 1 PgDn (page down)/PgUp (page up) keys cause the