void CDropDown::SetVisible(bool bVisible) {
CWindow::SetVisible(bVisible);
HideListBox();
}
bool CDropDown::HandleMessage(CMessage* pMessage)
{
bool bHandled = false;
CRect SubRect(m_WindowRect);
SubRect.Grow(-3);
if (pMessage)
{
switch(pMessage->MessageType())
{
case CMessage::KEYBOARD_KEYDOWN:
{
CKeyboardMessage* pKeyboardMessage = dynamic_cast<CKeyboardMessage*>(pMessage);
if (pKeyboardMessage && pMessage->Destination() == this)
{
switch (pKeyboardMessage->Key)
{
case SDLK_UP:
SelectItem(GetSelectedIndex() - 1);
ShowListBox();
break;
case SDLK_DOWN:
SelectItem(GetSelectedIndex() + 1);
ShowListBox();
break;
case SDLK_RETURN:
case SDLK_SPACE:
HideListBox();
break;
case SDLK_TAB:
HideListBox();
// intentional fall through: the parent frame will change focused widget
default:
// Forward all key downs to parent
CMessageServer::Instance().QueueMessage(new CKeyboardMessage(CMessage::KEYBOARD_KEYDOWN, m_pParentWindow, this,
pKeyboardMessage->ScanCode, pKeyboardMessage->Modifiers, pKeyboardMessage->Key, pKeyboardMessage->Unicode));
break;
}
}
break;
}
case CMessage::MOUSE_BUTTONDOWN:
{
CMouseMessage* pMouseMessage = dynamic_cast<CMouseMessage*>(pMessage);
if (pMouseMessage->Button == CMouseMessage::LEFT)
{
if (m_pListBox->IsVisible() &&
m_pDropButton->GetWindowRect().SizeRect().HitTest(m_pDropButton->ViewToWindow(pMouseMessage->Point)) != CRect::RELPOS_INSIDE &&
m_pListBox->GetWindowRect().SizeRect().HitTest(m_pListBox->ViewToWindow(pMouseMessage->Point)) != CRect::RELPOS_INSIDE)
{
HideListBox();
}
}
break;
}
case CMessage::CTRL_SINGLELCLICK:
{
if (pMessage->Destination() == this)
{
if (pMessage->Source() == m_pDropButton)
{
if (m_pListBox->IsVisible())
{
HideListBox();
}
else
{
ShowListBox();
}
bHandled = true;
}
}
break;
}
case CMessage::CTRL_VALUECHANGE:
{
TIntMessage* pCtrlMessage = dynamic_cast<TIntMessage*>(pMessage);
if (pCtrlMessage && pMessage->Destination() == this)
{
if (pCtrlMessage->Source() == m_pListBox)
{
const SListItem& ListItem = m_pListBox->GetItem(pCtrlMessage->Value());
SetWindowText(ListItem.sItemText);
HideListBox();
CMessageServer::Instance().QueueMessage(new TIntMessage(CMessage::CTRL_VALUECHANGE, m_pParentWindow, this, 0));
bHandled = true;
}
else if (pCtrlMessage->Source() == m_pEditBox)
{
m_pListBox->SetAllSelections(false);
HideListBox();
CMessageServer::Instance().QueueMessage(new TIntMessage(CMessage::CTRL_VALUECHANGE, m_pParentWindow, this, 0));
bHandled = true;
}
}
break;
}
default :
bHandled = CWindow::HandleMessage(pMessage);
break;
}
}
return bHandled;
}
bool CDropDown::HandleMessage(CMessage* pMessage)
{
bool bHandled = false;
CRect SubRect(m_WindowRect);
SubRect.Grow(-3);
if (pMessage)
{
switch(pMessage->MessageType())
{
case CMessage::MOUSE_BUTTONDOWN:
{
CMouseMessage* pMouseMessage = dynamic_cast<CMouseMessage*>(pMessage);
if (pMouseMessage->Button == CMouseMessage::LEFT)
{
if (m_pListBox->IsVisible() &&
m_pDropButton->GetWindowRect().SizeRect().HitTest(m_pDropButton->ViewToWindow(pMouseMessage->Point)) != CRect::RELPOS_INSIDE &&
m_pListBox->GetWindowRect().SizeRect().HitTest(m_pListBox->ViewToWindow(pMouseMessage->Point)) != CRect::RELPOS_INSIDE)
{
HideListBox();
}
}
break;
}
case CMessage::CTRL_SINGLELCLICK:
{
if (pMessage->Destination() == this)
{
if (pMessage->Source() == m_pDropButton)
{
if (m_pListBox->IsVisible())
{
HideListBox();
}
else
{
ShowListBox();
}
bHandled = true;
}
}
break;
}
case CMessage::CTRL_VALUECHANGE:
{
TIntMessage* pCtrlMessage = dynamic_cast<TIntMessage*>(pMessage);
if (pCtrlMessage && pMessage->Destination() == this)
{
if (pCtrlMessage->Source() == m_pListBox)
{
const SListItem& ListItem = m_pListBox->GetItem(pCtrlMessage->Value());
SetWindowText(ListItem.sItemText);
HideListBox();
CMessageServer::Instance().QueueMessage(new TIntMessage(CMessage::CTRL_VALUECHANGE, m_pParentWindow, this, 0));
bHandled = true;
}
else if (pCtrlMessage->Source() == m_pEditBox)
{
m_pListBox->SetAllSelections(false);
HideListBox();
CMessageServer::Instance().QueueMessage(new TIntMessage(CMessage::CTRL_VALUECHANGE, m_pParentWindow, this, 0));
bHandled = true;
}
}
break;
}
default :
bHandled = CWindow::HandleMessage(pMessage);
break;
}
}
return bHandled;
}
