bool CGUIControlGroup::SendControlMessage(CGUIMessage &message)
{
// see if a child matches, and send to the child control if so
for (iControls it = m_children.begin();it != m_children.end(); ++it)
{
CGUIControl* control = *it;
if (control->HasVisibleID(message.GetControlId()))
{
if (control->OnMessage(message))
return true;
}
}
// Unhandled - send to all matching invisible controls as well
bool handled(false);
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl* control = *it;
if (control->HasID(message.GetControlId()))
{
if (control->OnMessage(message))
handled = true;
}
}
return handled;
}
bool CGUIControlGroup::HasVisibleID(int id) const
{
// call base class first as the group may be the requested control
if (CGUIControl::HasVisibleID(id)) return true;
// if the group isn't visible, then none of it's children can be
if (!IsVisible()) return false;
for (ciControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl *child = *it;
if (child->HasVisibleID(id))
return true;
}
return false;
}
bool CGUIControlGroup::OnMessage(CGUIMessage& message)
{
switch (message.GetMessage() )
{
case GUI_MSG_ITEM_SELECT:
{
if (message.GetControlId() == GetID())
{
m_focusedControl = message.GetParam1();
return true;
}
break;
}
case GUI_MSG_ITEM_SELECTED:
{
if (message.GetControlId() == GetID())
{
message.SetParam1(m_focusedControl);
return true;
}
break;
}
case GUI_MSG_FOCUSED:
{ // a control has been focused
m_focusedControl = message.GetControlId();
SetFocus(true);
// tell our parent thatwe have focus
if (m_parentControl)
m_parentControl->OnMessage(message);
else
SendWindowMessage(message);
return true;
}
case GUI_MSG_SETFOCUS:
{
// first try our last focused control...
if (m_focusedControl)
{
CGUIControl *control = GetFirstFocusableControl(m_focusedControl);
if (control)
{
CGUIMessage msg(GUI_MSG_SETFOCUS, GetParentID(), control->GetID());
return control->OnMessage(msg);
}
}
// ok, no previously focused control, try the default control first
if (m_defaultControl)
{
CGUIControl *control = GetFirstFocusableControl(m_defaultControl);
if (control)
{
CGUIMessage msg(GUI_MSG_SETFOCUS, GetParentID(), control->GetID());
return control->OnMessage(msg);
}
}
// no success with the default control, so just find one to focus
CGUIControl *control = GetFirstFocusableControl(0);
if (control)
{
CGUIMessage msg(GUI_MSG_SETFOCUS, GetParentID(), control->GetID());
return control->OnMessage(msg);
}
// unsuccessful
return false;
break;
}
case GUI_MSG_LOSTFOCUS:
{
// set all subcontrols unfocused
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
(*it)->SetFocus(false);
if (!HasID(message.GetParam1()))
{ // we don't have the new id, so unfocus
SetFocus(false);
if (m_parentControl)
m_parentControl->OnMessage(message);
}
return true;
}
break;
case GUI_MSG_PAGE_CHANGE:
case GUI_MSG_REFRESH_THUMBS:
case GUI_MSG_REFRESH_LIST:
{ // send to all child controls (make sure the target is the control id)
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIMessage msg(message.GetMessage(), message.GetSenderId(), (*it)->GetID(), message.GetParam1());
(*it)->OnMessage(msg);
}
return true;
}
break;
}
bool handled(false);
//not intented for any specific control, send to all childs and our base handler.
if (message.GetControlId() == 0)
{
for (iControls it = m_children.begin();it != m_children.end(); ++it)
{
CGUIControl* control = *it;
handled |= control->OnMessage(message);
}
return CGUIControl::OnMessage(message) || handled;
}
// if it's intended for us, then so be it
if (message.GetControlId() == GetID())
return CGUIControl::OnMessage(message);
// else, see if a child matches, and send to the child control if so
for (iControls it = m_children.begin();it != m_children.end(); ++it)
{
CGUIControl* control = *it;
if (control->HasVisibleID(message.GetControlId()))
{
if (control->OnMessage(message))
return true;
}
}
// Unhandled - send to all matching invisible controls as well
for (iControls it = m_children.begin(); it != m_children.end(); ++it)
{
CGUIControl* control = *it;
if (control->HasID(message.GetControlId()))
{
if (control->OnMessage(message))
handled = true;
}
}
return handled;
}