import jexer.bits.CellAttributes;
import jexer.bits.GraphicsChars;
+import jexer.bits.MnemonicString;
+import jexer.bits.StringUtils;
import jexer.event.TKeypressEvent;
import jexer.event.TMouseEvent;
import static jexer.TKeypress.*;
/**
* TRadioButton implements a selectable radio button.
+ *
+ * If the user clicks or presses space on this button, it is selected.
+ *
+ * If the user presses escape on this button, it is unselected.
*/
public class TRadioButton extends TWidget {
private boolean selected = false;
/**
- * Label for this radio button.
+ * The shortcut and radio button label.
*/
- private String label;
+ private MnemonicString mnemonic;
/**
* ID for this radio button. Buttons start counting at 1 in the
final String label, final int id) {
// Set parent and window
- super(parent, x, y, label.length() + 4, 1);
+ super(parent, x, y, StringUtils.width(label) + 4, 1);
- this.label = label;
+ mnemonic = new MnemonicString(label);
this.id = id;
setCursorVisible(true);
public void onMouseDown(final TMouseEvent mouse) {
if ((mouseOnRadioButton(mouse)) && (mouse.isMouse1())) {
// Switch state
- selected = !selected;
- if (selected) {
- ((TRadioGroup) getParent()).setSelected(this);
- }
+ selected = true;
+ ((TRadioGroup) getParent()).setSelected(this);
}
}
public void onKeypress(final TKeypressEvent keypress) {
if (keypress.equals(kbSpace)) {
- selected = !selected;
- if (selected) {
- ((TRadioGroup) getParent()).setSelected(this);
+ selected = true;
+ ((TRadioGroup) getParent()).setSelected(this);
+ return;
+ }
+
+ if (keypress.equals(kbEsc)) {
+ TRadioGroup parent = (TRadioGroup) getParent();
+ if (parent.requiresSelection == false) {
+ selected = false;
+ parent.setSelected(0);
}
return;
}
// TWidget ----------------------------------------------------------------
// ------------------------------------------------------------------------
+ /**
+ * Override TWidget's width: we can only set width at construction time.
+ *
+ * @param width new widget width (ignored)
+ */
+ @Override
+ public void setWidth(final int width) {
+ // Do nothing
+ }
+
+ /**
+ * Override TWidget's height: we can only set height at construction
+ * time.
+ *
+ * @param height new widget height (ignored)
+ */
+ @Override
+ public void setHeight(final int height) {
+ // Do nothing
+ }
+
/**
* Draw a radio button with label.
*/
@Override
public void draw() {
CellAttributes radioButtonColor;
+ CellAttributes mnemonicColor;
if (isAbsoluteActive()) {
radioButtonColor = getTheme().getColor("tradiobutton.active");
+ mnemonicColor = getTheme().getColor("tradiobutton.mnemonic.highlighted");
} else {
radioButtonColor = getTheme().getColor("tradiobutton.inactive");
+ mnemonicColor = getTheme().getColor("tradiobutton.mnemonic");
}
putCharXY(0, 0, '(', radioButtonColor);
putCharXY(1, 0, ' ', radioButtonColor);
}
putCharXY(2, 0, ')', radioButtonColor);
- putStringXY(4, 0, label, radioButtonColor);
+ putStringXY(4, 0, mnemonic.getRawLabel(), radioButtonColor);
+ if (mnemonic.getScreenShortcutIdx() >= 0) {
+ putCharXY(4 + mnemonic.getScreenShortcutIdx(), 0,
+ mnemonic.getShortcut(), mnemonicColor);
+ }
}
// ------------------------------------------------------------------------
return id;
}
+ /**
+ * Get the mnemonic string for this button.
+ *
+ * @return mnemonic string
+ */
+ public MnemonicString getMnemonic() {
+ return mnemonic;
+ }
+
}