/*!
SLButton::closeAll closes all menus except the root menu
*/
void SLButton::closeAll()
{
SLScene* s = SLScene::current;
SLButton* mnu2D = s->menu2D();
if (!mnu2D) return;
mnu2D->hideAndReleaseRec();
mnu2D->drawBits()->off(SL_DB_HIDDEN);
// update world matrices & AABBs
_stateGL->pushModelViewMatrix();
_stateGL->modelViewMatrix.identity();
mnu2D->translation(0, 0, 0);
mnu2D->updateAABBRec();
_stateGL->popModelViewMatrix();
newMenuPos.set(0,0);
oldMenuPos.set(0,0);
buttonDown = 0;
buttonParent = 0;
}
/*!
SLButton::onMouseUp handles events and returns true if refresh is needed. This
method holds the main functionality for the buttons command execution as well
as the hiding and showing of the sub menus.
*/
SLbool SLButton::onMouseUp(const SLMouseButton button,
const SLint x, const SLint y, const SLKey mod)
{
SLScene* s = SLScene::current;
SLButton* mnu2D = s->menu2D();
SLButton* btn = 0; // button pointer for various loops
if (!mnu2D) return false;
// GUI space is bottom left!
SLint h = _sv->scrH()-y;
if (x > _aabb.minWS().x && x < _aabb.maxWS().x &&
h > _aabb.minWS().y && h < _aabb.maxWS().y &&
!_drawBits.get(SL_DB_HIDDEN))
{
if (buttonDown==this)
{
// For a command execute it
if (_command != C_menu)
{ _isDown = false;
// Toggle checkable buttons
if (_isCheckable && !_radioParent)
_isChecked = !_isChecked;
// For radio buttons uncheck others
if (_radioParent)
_radioParent->checkRadioRec();
// Hide all menus again
if (_closeOnClick)
closeAll();
/////////////////////////
_sv->onCommand(_command);
/////////////////////////
if (_closeOnClick)
return true;
}
else if (_children.size()>0)
{
// if another menu on the same or higher level is open hide it first
if (buttonParent && buttonParent!=this && buttonParent->depth()>=_depth)
{
while (buttonParent && buttonParent->depth() >= depth())
{ for (auto child : buttonParent->children())
child->drawBits()->set(SL_DB_HIDDEN, true);
buttonParent->isDown(false);
buttonParent = (SLButton*)buttonParent->parent();
}
}
// show my submenu buttons
btn = (SLButton*)_children[0];
if (btn && btn->drawBits()->get(SL_DB_HIDDEN))
{
for (auto child : _children)
child->drawBits()->set(SL_DB_HIDDEN, false);
buttonParent = this;
}
else // submenu is already open so close everything
{ if (buttonDown==mnu2D)
{ mnu2D->hideAndReleaseRec();
mnu2D->drawBits()->off(SL_DB_HIDDEN);
buttonParent = 0;
} else
{ if (buttonParent)
{
for (auto child : buttonParent->children())
child->drawBits()->set(SL_DB_HIDDEN, true);
buttonParent->isDown(false);
buttonParent = (SLButton*)(buttonParent->parent());
}
}
}
}
// Move menu left or right
if (buttonParent)
{ newMenuPos.set(-buttonParent->minX()+minMenuPos.x, 0);
if (newMenuPos != oldMenuPos)
{
mnu2D->translate(newMenuPos.x - oldMenuPos.x, 0, 0, TS_object);
// update AABB's
_stateGL->pushModelViewMatrix();
_stateGL->modelViewMatrix.identity();
oldMenuPos.set(newMenuPos);
mnu2D->updateAABBRec();
_stateGL->popModelViewMatrix();
}
}
buttonDown = 0;
return true;
}
else // mouse up on a different button, so release it
{ if (buttonDown)
{ buttonDown->_isDown = false;
buttonDown = 0;
return true;
}
}
}
// check sub menus
for (auto child : _children)
{ if (child->onMouseUp(button, x, y, mod))
return true;
}
// check if mouse down was on this button and the up was on the scene
if (_isDown && buttonDown==this)
{ closeAll();
return true;
}
return false;
}