bool GuiButton::onEvent(const GEvent& event) {
switch (event.type) {
case GEventType::MOUSE_BUTTON_DOWN:
m_down = true;
// invoke the pre-event handler
m_callback.execute();
fireEvent(GEventType::GUI_DOWN);
return true;
case GEventType::MOUSE_BUTTON_UP:
fireEvent(GEventType::GUI_UP);
// Only trigger an action if the mouse was still over the control
if (m_down && m_rect.contains(event.mousePosition())) {
fireEvent(GEventType::GUI_ACTION);
}
m_down = false;
return true;
}
return false;
}
bool WidgetManager::onEvent(const GEvent& event) {
const bool motionEvent =
(event.type == GEventType::MOUSE_MOTION) ||
(event.type == GEventType::JOY_AXIS_MOTION) ||
(event.type == GEventType::JOY_HAT_MOTION) ||
(event.type == GEventType::JOY_BALL_MOTION);
const bool positionalEvent =
(event.type == GEventType::MOUSE_BUTTON_CLICK) ||
(event.type == GEventType::MOUSE_BUTTON_DOWN) ||
(event.type == GEventType::MOUSE_BUTTON_UP) ||
(event.type == GEventType::MOUSE_MOTION);
beginLock(); {
// Deliver positional events in order of widget's depth preference
if (positionalEvent) {
const Point2& P = event.mousePosition();
// Find the distance at which object believes that it is for this event. By default, this is
// the focus array position.
Array<SortWrapper<shared_ptr<Widget> > > widgetWithZ;
widgetWithZ.resize(m_moduleArray.size());
for (int i = 0; i < m_moduleArray.size(); ++i) {
const shared_ptr<Widget>& w = m_moduleArray[i];
SortWrapper<shared_ptr<Widget> >& s = widgetWithZ[i];
s.value = w;
s.key = w->positionalEventZ(P);
if (isNaN(s.key)) {
// The module wishes to use its focus position as a "Depth"
if (w == m_focusedModule) {
// Focused module gets priority and pretends that it is
// higher than the first one
s.key = float(m_moduleArray.size());
} else {
s.key = float(i);
}
} // if default key
} // for each widget
widgetWithZ.sort(SORT_DECREASING);
for (int i = 0; i < widgetWithZ.size(); ++i) {
if (widgetWithZ[i].value->onEvent(event)) {
// End the manager lock began at the top of this method before returning abruptly
endLock();
return true;
}
}
} else {
// Except for motion events, ensure that the focused module gets each event first
if (m_focusedModule && ! motionEvent) {
if (m_focusedModule->onEvent(event)) {
// End the manager lock began at the top of this method before returning abruptly
endLock();
return true;
}
}
for (int i = m_moduleArray.size() - 1; i >=0; --i) {
// Don't double-deliver to the focused module
if (motionEvent || (m_moduleArray[i] != m_focusedModule)) {
if (m_moduleArray[i]->onEvent(event) && ! motionEvent) {
// End the manager lock began at the top of this method before returning abruptly
endLock();
return true;
}
}
}
}
} endLock();
return false;
}