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The Event class has various special class (static) variables defined including
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Event.F1 -- the F1 key
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Event.UP The Up arrow etc.
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The Component class (grandparent of Applet) has a rich set of Event handlers which you should override if you wish to process particular input. In this section, we cover the keyboard and mouse events which are reported to subclass Canvas (used for Graphics)
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public boolean mouseDown(Event evt, int x, int y) {
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anchor = new Point(x,y); // record position of mouse click
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return true; // must do this
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}
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4 |
Other handlers are mouseDrag, mouseEnter (enters current component), mouseExit, mouseMove (with its button up), keyUp, keyDown
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