SampleDesktopMgrpublic class SampleDesktopMgr extends DefaultDesktopManager
| Fields Summary |
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| protected static final String | RESIZING |
| Methods Summary |
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| public void | beginResizingFrame(javax.swing.JComponent f, int dir)
f.putClientProperty(RESIZING, Boolean.TRUE);
| | public void | endResizingFrame(javax.swing.JComponent f)
f.putClientProperty(RESIZING, Boolean.FALSE);
| | public void | setBoundsForFrame(javax.swing.JComponent f, int x, int y, int w, int h)
if (f instanceof JInternalFrame == false) {
super.setBoundsForFrame(f, x, y, w, h); // only deal w/internal frames
}
else {
JInternalFrame frame = (JInternalFrame)f;
// Figure out if we are being resized (otherwise it's just a move)
boolean resizing = false;
Object r = frame.getClientProperty(RESIZING);
if (r != null && r instanceof Boolean) {
resizing = ((Boolean)r).booleanValue();
}
JDesktopPane desk = frame.getDesktopPane();
Dimension d = desk.getSize();
// Nothing all that fancy below, just figuring out how to adjust
// to keep the frame on the desktop.
if (x < 0) { // too far left?
if (resizing)
w += x; // don't get wider!
x=0; // flush against the left side
}
else {
if (x+w>d.width) { // too far right?
if (resizing)
w = d.width-x; // don't get wider!
else
x = d.width-w; // flush against the right side
}
}
if (y < 0) { // too high?
if (resizing)
h += y; // don't get taller!
y=0; // flush against the top
}
else {
if (y+h > d.height) { // too low?
if (resizing)
h = d.height - y; // don't get taller!
else
y = d.height-h; // flush against the bottom
}
}
// Set 'em the way we like 'em
super.setBoundsForFrame(f, x, y, w, h);
}
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