bool LinkLabel::onProcessMessage(Message* msg)
{
switch (msg->type()) {
case kSetCursorMessage:
// TODO theme stuff
if (isEnabled() && hasMouseOver()) {
set_mouse_cursor(kHandCursor);
return true;
}
break;
case kMouseEnterMessage:
case kMouseLeaveMessage:
if (isEnabled()) {
if (hasCapture())
setSelected(msg->type() == kMouseEnterMessage);
invalidate(); // TODO theme specific
}
break;
case kMouseMoveMessage:
if (isEnabled() && hasCapture())
setSelected(hasMouseOver());
break;
case kMouseDownMessage:
if (isEnabled()) {
captureMouse();
setSelected(true);
}
break;
case kMouseUpMessage:
if (hasCapture()) {
releaseMouse();
setSelected(false);
invalidate(); // TODO theme specific
if (hasMouseOver())
onClick();
}
break;
}
return CustomLabel::onProcessMessage(msg);
}
bool ButtonBase::onProcessMessage(Message* msg)
{
switch (msg->type()) {
case kFocusEnterMessage:
case kFocusLeaveMessage:
if (isEnabled()) {
if (m_behaviorType == kButtonWidget) {
// Deselect the widget (maybe the user press the key, but
// before release it, changes the focus).
if (isSelected())
setSelected(false);
}
// TODO theme specific stuff
invalidate();
}
break;
case kKeyDownMessage: {
KeyMessage* keymsg = static_cast<KeyMessage*>(msg);
KeyScancode scancode = keymsg->scancode();
// If the button is enabled.
if (isEnabled()) {
bool mnemonicPressed =
((msg->altPressed() || msg->cmdPressed()) &&
isMnemonicPressed(keymsg));
// For kButtonWidget
if (m_behaviorType == kButtonWidget) {
// Has focus and press enter/space
if (hasFocus()) {
if ((scancode == kKeyEnter) ||
(scancode == kKeyEnterPad) ||
(scancode == kKeySpace)) {
setSelected(true);
return true;
}
}
// Check if the user pressed mnemonic.
if (mnemonicPressed) {
setSelected(true);
return true;
}
// Magnetic widget catches ENTERs
else if (isFocusMagnet() &&
((scancode == kKeyEnter) ||
(scancode == kKeyEnterPad))) {
manager()->setFocus(this);
// Dispatch focus movement messages (because the buttons
// process them)
manager()->dispatchMessages();
setSelected(true);
return true;
}
}
// For kCheckWidget or kRadioWidget
else {
/* if the widget has the focus and the user press space or
if the user press Alt+the underscored letter of the button */
if ((hasFocus() && (scancode == kKeySpace)) || mnemonicPressed) {
if (m_behaviorType == kCheckWidget) {
// Swap the select status
setSelected(!isSelected());
invalidate();
}
else if (m_behaviorType == kRadioWidget) {
if (!isSelected()) {
setSelected(true);
}
}
return true;
}
}
}
break;
}
case kKeyUpMessage:
if (isEnabled()) {
if (m_behaviorType == kButtonWidget) {
if (isSelected()) {
generateButtonSelectSignal();
return true;
}
}
}
break;
case kMouseDownMessage:
switch (m_behaviorType) {
case kButtonWidget:
if (isEnabled()) {
setSelected(true);
m_pressedStatus = isSelected();
captureMouse();
}
return true;
case kCheckWidget:
if (isEnabled()) {
setSelected(!isSelected());
m_pressedStatus = isSelected();
captureMouse();
}
return true;
case kRadioWidget:
if (isEnabled()) {
if (!isSelected()) {
m_handleSelect = false;
setSelected(true);
m_handleSelect = true;
m_pressedStatus = isSelected();
captureMouse();
}
}
return true;
}
break;
case kMouseUpMessage:
if (hasCapture()) {
releaseMouse();
if (hasMouseOver()) {
switch (m_behaviorType) {
case kButtonWidget:
generateButtonSelectSignal();
break;
case kCheckWidget:
{
// Fire onClick() event
Event ev(this);
onClick(ev);
invalidate();
}
break;
case kRadioWidget:
{
setSelected(false);
setSelected(true);
// Fire onClick() event
Event ev(this);
onClick(ev);
}
break;
}
}
return true;
}
break;
case kMouseMoveMessage:
if (isEnabled() && hasCapture()) {
bool hasMouse = hasMouseOver();
m_handleSelect = false;
// Switch state when the mouse go out
if ((hasMouse && isSelected() != m_pressedStatus) ||
(!hasMouse && isSelected() == m_pressedStatus)) {
if (hasMouse)
setSelected(m_pressedStatus);
else
setSelected(!m_pressedStatus);
}
m_handleSelect = true;
}
break;
case kMouseEnterMessage:
case kMouseLeaveMessage:
// TODO theme stuff
if (isEnabled())
invalidate();
break;
}
return Widget::onProcessMessage(msg);
}
