//-----------------------------------------------------------------------------
// Mouse motion (with either key pressed) event handler
//-----------------------------------------------------------------------------
void GlutDisplay::mouseMotionEvent(const int x, const int y)
{
if (isMessageEnabled(MSG_DEBUG)) {
std::cout << "GlutDisplay::mouseEvent(): " << std::endl;
}
if (picked != nullptr) {
Graphic* selected = pick();
if (selected != nullptr) {
if (selected != picked) {
picked->event(ON_CANCEL);
picked->unref();
picked = nullptr;
}
selected->event(ON_MOTION);
}
else {
if (picked != nullptr) {
picked->event(ON_CANCEL);
picked->unref();
picked = nullptr;
}
}
}
setMouse(x,y);
}
//-----------------------------------------------------------------------------
// passive button event handler
//-----------------------------------------------------------------------------
void GlutDisplay::mouseEvent(const int button, const int state, const int x, const int y)
{
if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
Graphic* selected = pick();
if (selected != nullptr) {
selected->event(INPUT_LEFT_EDGE);
if (picked != nullptr) picked->unref();
picked = selected;
picked->ref();
}
}
if (button == GLUT_LEFT_BUTTON && state == GLUT_UP) {
if (picked != nullptr) {
picked->event(ON_SINGLE_CLICK);
picked->unref();
picked = nullptr;
}
}
setMouse(x,y);
}