FX_BOOL CFWL_NoteDriver::SetFocus(IFWL_Widget* pFocus, FX_BOOL bNotify) {
if (m_pFocus == pFocus) {
return TRUE;
}
IFWL_Widget* pPrev = m_pFocus;
m_pFocus = pFocus;
if (pPrev) {
CFWL_MsgKillFocus ms;
ms.m_pDstTarget = pPrev;
ms.m_pSrcTarget = pPrev;
if (bNotify) {
ms.m_dwExtend = 1;
}
IFWL_WidgetDelegate* pDelegate = pPrev->SetDelegate(NULL);
if (pDelegate) {
pDelegate->OnProcessMessage(&ms);
}
}
if (pFocus) {
IFWL_Widget* pWidget =
FWL_GetWidgetMgr()->GetWidget(pFocus, FWL_WGTRELATION_SystemForm);
CFWL_FormImp* pForm =
pWidget ? static_cast<CFWL_FormImp*>(pWidget->GetImpl()) : nullptr;
if (pForm) {
CFWL_WidgetImp* pNewFocus =
static_cast<CFWL_WidgetImp*>(pFocus->GetImpl());
pForm->SetSubFocus(pNewFocus);
}
CFWL_MsgSetFocus ms;
ms.m_pDstTarget = pFocus;
if (bNotify) {
ms.m_dwExtend = 1;
}
IFWL_WidgetDelegate* pDelegate = pFocus->SetDelegate(NULL);
if (pDelegate) {
pDelegate->OnProcessMessage(&ms);
}
}
return TRUE;
}
FX_BOOL CFWL_NoteDriver::DoSetFocus(CFWL_MsgSetFocus* pMsg,
IFWL_Widget* pMessageForm) {
CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
if (pWidgetMgr->IsFormDisabled()) {
m_pFocus = pMsg->m_pDstTarget;
return TRUE;
} else {
IFWL_Widget* pWidget = pMsg->m_pDstTarget;
CFWL_FormImp* pForm =
pWidget ? static_cast<CFWL_FormImp*>(pWidget->GetImpl()) : nullptr;
if (pForm) {
CFWL_WidgetImp* pSubFocus = pForm->GetSubFocus();
if (pSubFocus && ((pSubFocus->GetStates() & FWL_WGTSTATE_Focused) == 0)) {
pMsg->m_pDstTarget = pSubFocus->GetInterface();
if (m_pFocus != pMsg->m_pDstTarget) {
m_pFocus = pMsg->m_pDstTarget;
return TRUE;
}
}
}
}
return FALSE;
}