/* GridBagTest: a GridBagLayout test. */ /* ------------------------------------------------------------------ */ /* This is a sample stand-alone Java application with frame and a */ /* custom component that shows how to use gridbag layout. */ /* ------------------------------------------------------------------ */ /* Martin Lafaix -- July 1996 */ options binary -- optional, for speed import ViewerComponent /* ------------------------------------------------------------------ */ /* GridBagTest -- an applet or stand-alone application */ /* ------------------------------------------------------------------ */ class GridBagTest extends Applet method makebutton(name=String, gridbag=GridBagLayout, c=GridBagConstraints) button = Button(name) gridbag.setConstraints(button, c) add(button) method init gridbag = GridBagLayout() c = GridBagConstraints() setFont(Font("Helvetica", Font.PLAIN, 14)) setLayout(gridbag) c.fill = GridBagConstraints.BOTH c.weightx = 1.0 makebutton("Button1", gridbag, c) makebutton("Button2", gridbag, c) makebutton("Button3", gridbag, c) c.gridwidth = GridBagConstraints.REMAINDER -- end row makebutton("Button4", gridbag, c) c.weightx = 0.0 -- reset to the default makebutton("Button5", gridbag, c) -- another row c.gridwidth = GridBagConstraints.RELATIVE -- next to last in row makebutton("Button6", gridbag, c) c.gridwidth = GridBagConstraints.REMAINDER -- end row makebutton("Button7", gridbag, c) c.gridwidth = 1 -- reset to the default c.gridheight = 2 c.weighty = 1.0 bitmap = Button('test') -- a test bitmap = ViewerComponent('mfc.gif') gridbag.setConstraints(bitmap, c) add(bitmap) -- makebutton("Button8", gridbag, c) c.weighty = 0.0 -- reset to the default c.gridwidth = GridBagConstraints.REMAINDER -- end row c.gridheight = 1 -- reset to the default makebutton("Button9", gridbag, c) makebutton("Button10", gridbag, c) resize(300, 100) class GridBagMain extends Frame /* The 'main' method is called when this class is started as an application */ method main(s=String[]) static GridBagMain("GridBag Layout Example") method GridBagMain(s=String) super(s) ex1 = GridBagTest() ex1.init add("Center", ex1) this.pack resize(preferredSize()) this.show /* Method for handling events */ method handleEvent(e=Event) returns boolean if e.id=Event.WINDOW_DESTROY then exit -- exit on close return super.handleEvent(e) -- otherwise take default action