Java Code Examples for org.eclipse.swt.SWT#KEYPAD_4

The following examples show how to use org.eclipse.swt.SWT#KEYPAD_4 . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
/**
 * Add key listeners
 */
private void addKeyListeners() {
	keyListener = new KeyAdapter() {

		/**
		 * @see org.eclipse.swt.events.KeyAdapter#keyPressed(org.eclipse.swt.events.KeyEvent)
		 */
		@Override
		public void keyPressed(final KeyEvent e) {
			switch (e.character) {
				case '0':
				case '1':
				case '2':
				case '3':
				case '4':
				case '5':
				case '6':
				case '7':
				case '8':
				case '9':
					behaviourEngine.addDigitToDisplay(Integer.parseInt(String.valueOf(e.character)));
					return;
				case '.':
					behaviourEngine.addDecimalPoint();
					return;
				case '+':
					engine.processOperation(CalculatorEngine.OPERATOR_PLUS);
					return;
				case '-':
					engine.processOperation(CalculatorEngine.OPERATOR_MINUS);
					return;
				case '*':
					engine.processOperation(CalculatorEngine.OPERATOR_MULTIPLY);
					return;
				case '/':
					engine.processOperation(CalculatorEngine.OPERATOR_DIVIDE);
					return;
				case '=':
					engine.processEquals();
					return;
				case '%':
					engine.processPerCentageOperation();
					return;

			}

			switch (e.keyCode) {
				case SWT.KEYPAD_0:
				case SWT.KEYPAD_1:
				case SWT.KEYPAD_2:
				case SWT.KEYPAD_3:
				case SWT.KEYPAD_4:
				case SWT.KEYPAD_5:
				case SWT.KEYPAD_6:
				case SWT.KEYPAD_7:
				case SWT.KEYPAD_8:
				case SWT.KEYPAD_9:
					final int digit = e.keyCode - SWT.KEYCODE_BIT - 47;
					behaviourEngine.addDigitToDisplay(digit);
					return;
				case SWT.KEYPAD_ADD:
					engine.processOperation(CalculatorEngine.OPERATOR_PLUS);
					return;
				case SWT.KEYPAD_SUBTRACT:
					engine.processOperation(CalculatorEngine.OPERATOR_MINUS);
					return;
				case SWT.KEYPAD_DIVIDE:
					engine.processOperation(CalculatorEngine.OPERATOR_DIVIDE);
					return;
				case SWT.KEYPAD_MULTIPLY:
					engine.processOperation(CalculatorEngine.OPERATOR_MULTIPLY);
					return;
				case SWT.KEYPAD_CR:
				case SWT.KEYPAD_EQUAL:
				case SWT.CR:
					engine.processEquals();
					return;
				case SWT.BS:
					behaviourEngine.processBackSpace();
					return;
				case SWT.ESC:
					behaviourEngine.clearResult();
					engine.cancel();
					return;
			}
		}
	};

	for (final Control control : getChildren()) {
		control.addKeyListener(keyListener);
	}
	addKeyListener(keyListener);

}
 
Example 2
/**
 * KeyListener method from KeyListener Interface
 * 
 * Determines the actions to be taken, when a key is pressed. That means
 * either moving the editing controls to neigboring cell, if a)
 * CTRL+ArrowKey was pressed b) neighboring cell in that direction exists or
 * calculating a sum of cells in given direction (and copying it to
 * clipboard) c) CTRL+KEYPAD_8,_2,_4 or _6 (up, down, left, right) is
 * pressed
 * 
 * @param e key event that occured
 */
public void keyPressed(KeyEvent e) {
    if ((e.stateMask & (SWT.CTRL | SWT.ALT | SWT.SHIFT)) != SWT.CTRL)
        return;

    int row = viewer.getTable().getSelectionIndex();
    int columns = viewer.getTable().getColumnCount();
    int rows = viewer.getTable().getItemCount();
    // FIXME redundant test
    if ((e.stateMask & (SWT.CTRL | SWT.ALT | SWT.SHIFT)) == SWT.CTRL) {
        //TexRow texRow = (TexRow) texRowList.getRows().get(row);
        double sum = 0.0;
        switch (e.keyCode) {
        case SWT.ARROW_UP:
            if (row > 0)
                viewer.editElement(viewer.getElementAt(row - 1), column);
            break;
        case SWT.ARROW_DOWN:
        	/*
            if (row < rows - 1) // TODO else { add one row to the model }
                viewer.editElement(viewer.getElementAt(row + 1), column);
                */
        	if (row >= rows - 1)
        		texRowList.addRow();
        	viewer.editElement(viewer.getElementAt(row + 1), column);
            break;
        case SWT.ARROW_LEFT:
            if (column > 0)
                viewer.editElement(viewer.getElementAt(row), column - 1);
            break;
        case SWT.ARROW_RIGHT:
            if (column < columns - 1)
                viewer.editElement(viewer.getElementAt(row), column + 1);
            break;
        case SWT.KEYPAD_8:
            sum = texRowList.sum(column, row, TexRowList.SUM_UP);
            if(row>0) {
            	viewer.editElement(viewer.getElementAt(row - 1), column);
        		((TexRow)texRowList.getRows().get(row)).setCol(column,
        				((int)sum==sum)?Integer.toString((int)sum):Double.toString(sum));
            	viewer.editElement(viewer.getElementAt(row), column);
            }
            break;
        case SWT.KEYPAD_2:
            sum = texRowList.sum(column, row, TexRowList.SUM_DOWN);
        	
        	if(row<texRowList.getRows().size()-1) {
        		viewer.editElement(viewer.getElementAt(row + 1), column);
        		((TexRow)texRowList.getRows().get(row)).setCol(column,
        				((int)sum==sum)?Integer.toString((int)sum):Double.toString(sum));
        		viewer.editElement(viewer.getElementAt(row), column);
        	}
            break;
        case SWT.KEYPAD_4:
            sum = texRowList.sum(column, row, TexRowList.SUM_LEFT);
        	if(column>0) {
        		viewer.editElement(viewer.getElementAt(row), column-1);
        		((TexRow)texRowList.getRows().get(row)).setCol(column,
        				((int)sum==sum)?Integer.toString((int)sum):Double.toString(sum));
        		viewer.editElement(viewer.getElementAt(row), column);
        	}
            break;
        case SWT.KEYPAD_6:
            sum = texRowList.sum(column, row, TexRowList.SUM_RIGHT);
        	if(column<TexRow.COLUMNS-1) {
        		viewer.editElement(viewer.getElementAt(row), column+1);
        		((TexRow)texRowList.getRows().get(row)).setCol(column,
    				((int)sum==sum)?Integer.toString((int)sum):Double.toString(sum));
        		viewer.editElement(viewer.getElementAt(row), column);
        	}
            break;
        }
    }
}