BOOL CDUIListBox::SetCurHoverExpand(INT nIndex)
{
if(nIndex != m_nHoverIndex)
{
if(m_nHoverIndex != -1)
{
if(m_nHoverIndex >=0 && m_nHoverIndex < GetControlCount())
{
IDUIListItem* pListItem = (IDUIListItem*)m_arChildControl[m_nHoverIndex]->GetInterface(IListItem);
if(pListItem != NULL && m_bHoverExpand)
{
pListItem->SetExpand(FALSE);
}
}
m_nHoverIndex = -1;
}
if(nIndex != -1)
{
if(nIndex >=0 && nIndex < GetControlCount())
{
IDUIListItem* pListItem = (IDUIListItem*)m_arChildControl[nIndex]->GetInterface(IListItem);
if(pListItem != NULL && m_bHoverExpand)
{
m_nHoverIndex = nIndex;
pListItem->SetExpand(TRUE);
}
}
}
UpdateLayout(GetHoverExpand());
}
return TRUE;
}
BOOL CDUITreeNode::SetExpand(BOOL bExpand)
{
//DUI_ASSERT(HaveChild());
BOOL bOld = IsExpand();
if ( bOld != bExpand )
{
m_bExpand = bExpand;
INT nCount = GetControlCount();
for ( int i=0;i<nCount;i++)
{
HDUITREEITEM pItem = GetChild(i);
if ( pItem )
{
if ( bExpand )
pItem->ModifyStyle(0, CONTROL_STYLE_VISIBLE);
else
pItem->ModifyStyle(CONTROL_STYLE_VISIBLE,0);
}
}
}
return bOld;
}
VOID CDUIListBox::CheckInitGroupStatus()
{
INT nCount = GetControlCount();
BOOL bGroup = FALSE;
BOOL bExpand = TRUE;
LockLayout(TRUE);
for(INT i=0; i<nCount; ++i)
{
IDUIListItem* pListItem = (IDUIListItem*)m_arChildControl[i]->GetInterface(IListItem);
if(pListItem == NULL) continue;
if(pListItem->GetGroup())
{
bGroup = TRUE;
bExpand = pListItem->GetExpand();
continue;
}
if(!bGroup) continue;
if(bExpand)
{
pListItem->ModifyStyle(0, CONTROL_STYLE_VISIBLE);
}
else
{
pListItem->ModifyStyle(CONTROL_STYLE_VISIBLE, 0);
}
}
LockLayout(FALSE);
}
VOID CDUIFramePanel::SetControlRect(const RECT& rt)
{
m_rtControl = rt;
if(GetDrawMode() != FRAME_PANEL_SINGLE_COLOR)
{
CalculateImageFrame();
}
RECT rtAvailable = GetContentRect();
rtAvailable.left += m_rtFrame.left;
rtAvailable.right -= m_rtFrame.right;
rtAvailable.top += m_rtFrame.top;
rtAvailable.bottom -= m_rtFrame.bottom;
if(IsRectEmpty(&rtAvailable))
{
rtAvailable.right = rtAvailable.left;
rtAvailable.bottom = rtAvailable.top;
}
//DUI_ASSERT(GetControlCount() == 1);
if(GetControlCount() >= 1)
{
GetControlByIndex(0)->SetControlRect(rtAvailable);
}
}
BOOL CDUIListBox::SetCurSel(INT nIndex)
{
if(nIndex != m_nSelectIndex)
{
if(m_nSelectIndex != -1)
{
if(m_nSelectIndex >=0 && m_nSelectIndex < GetControlCount())
{
IDUIListItem* pListItem = (IDUIListItem*)m_arChildControl[m_nSelectIndex]->GetInterface(IListItem);
if(pListItem != NULL && !pListItem->GetGroup())
{
pListItem->SetSelect(FALSE);
if(m_bSelectExpand)
{
pListItem->SetExpand(FALSE);
}
}
}
m_nSelectIndex = -1;
}
if(nIndex != -1)
{
if(nIndex >=0 && nIndex < GetControlCount())
{
m_nSelectIndex = nIndex;
IDUIListItem* pListItem = (IDUIListItem*)m_arChildControl[nIndex]->GetInterface(IListItem);
if(pListItem != NULL && !pListItem->GetGroup())
{
pListItem->SetSelect(TRUE);
if(m_bSelectExpand)
{
pListItem->SetExpand(TRUE);
}
SendNotify(WM_NOTIFY_LISTBOX_NOTIFY, LBN_WPARAM_SELCHANGE, (LPARAM)GetControlByIndex(nIndex));
}
}
}
UpdateLayout(TRUE);
}
return TRUE;
}
int GetControlSelectionCount ( int iControlID )
{
// confirm control exists
if ( !ConfirmControlIndex ( iControlID ) )
return 0;
// return control data
return GetControlCount ( iControlID );
}
INT CDUIListBox::GetVisibleItemIndex(IDUIControl* pItem)
{
INT nCount = GetControlCount();
for(INT i=m_nTopIndex; (i<nCount && i<=m_nLastIndex); ++i)
{
if(m_arChildControl[i].GetPtr() == pItem)
{
return i;
}
}
return -1;
}
INT CDUIListBox::GetScrollLineStep()
{
if(GetControlCount() > 0)
{
IDUIListItem* pItem = (IDUIListItem*)GetControlByIndex(0)->GetInterface(IListItem);
if(pItem != NULL)
{
return pItem->GetHeight(FALSE);
}
}
return theBase::GetScrollLineStep();
}
VOID CDUIListBox::ExpandGroup(INT nIndex, BOOL bExpand)
{
IDUIControl* pItem = GetControlByIndex(nIndex);
if(pItem != NULL
&& (pItem->IsVisible()))
{
IDUIListItem* pListItem = (IDUIListItem*)pItem->GetInterface(IListItem);
if(pListItem != NULL && pListItem->GetGroup()
&& (pListItem->GetExpand() != bExpand))
{
LockLayout(TRUE);
INT nCount = GetControlCount();
for(INT i=nIndex+1; i<nCount; ++i)
{
IDUIListItem* pItem = (IDUIListItem*)m_arChildControl[i]->GetInterface(IListItem);
if(pItem == NULL) continue;
if(pItem->GetGroup()) break;
if(bExpand)
{
pItem->ModifyStyle(0, CONTROL_STYLE_VISIBLE);
}
else
{
pItem->ModifyStyle(CONTROL_STYLE_VISIBLE, 0);
}
}
pListItem->SetExpand(bExpand);
LockLayout(FALSE);
UpdateLayout(TRUE);
}
}
}
void __fastcall DesignerHook::KeyDown(TControl* Sender,Word &Key,Classes::TShiftState Shift)
{
if(0== ControlCount ||(!Shift.Contains(ssShift) && !Shift.Contains(ssCtrl)) ||(VK_CONTROL==Key || VK_SHIFT == Key) ) {
return;
}
if(GetControlCount() == 1 && Controls[0] == Form_){
return;
}
if(Shift.Contains(ssCtrl)){
switch(Key){
case VK_UP:
ShowGrabHandle(false);
__try{
/*
if(LeftNew >0 && (Controls[index]->Width + LeftNew)< Controls[index]->Parent->Width && KeepChildInArea_){
Controls[i]->Left = LeftNew;
}
if(TopNew > 0 && (Controls[i]->Height +TopNew )< Controls[index]->Parent->Height && KeepChildInArea_){
Controls[i]->Top = TopNew;
}
*/
for(int index=0;index<=GetControlCount() -1 ;++index){
int TopNew= Controls[index]->Top - kMoveUpStepByKey;
if(TopNew>0 && (Controls[index]->Height + TopNew)< Controls[index]->Parent->Height && KeepChildInArea_)
Controls[index]->Top= TopNew;
}
}__finally{
ShowGrabHandle(true);
}
break;
case VK_DOWN:
ShowGrabHandle(false);
__try{
for(int index=0;index<=GetControlCount() -1 ;++index){
int TopNew= Controls[index]->Top + kMoveDownStepByKey;
if(TopNew>0 && (Controls[index]->Height + TopNew)< Controls[index]->Parent->Height && KeepChildInArea_)
Controls[index]->Top= TopNew;
}
}__finally{
ShowGrabHandle(true);
}
break;
case VK_LEFT:
ShowGrabHandle(false);
__try{
for(int index=0;index<=GetControlCount() -1 ;++index){
int LeftNew= Controls[index]->Left - kMoveLeftStepByKey ;
if(LeftNew>0 && (Controls[index]->Width + LeftNew)< Controls[index]->Parent->Width && KeepChildInArea_ )
Controls[index]->Left= LeftNew;
}
}__finally{
ShowGrabHandle(true);
}
break;
case VK_RIGHT:
ShowGrabHandle(false);
__try{
for(int index=0;index<=GetControlCount() -1 ;++index){
int LeftNew= Controls[index]->Left + kMoveRightStepByKey ;
if(LeftNew>0 && (Controls[index]->Width + LeftNew)< Controls[index]->Parent->Width && KeepChildInArea_ )
Controls[index]->Left= LeftNew;
}
}__finally{
ShowGrabHandle(true);
}
break;
}
}else{
switch(Key){
BOOL CDUIListBox::OnKeyDown(const DUIEvent& info)
{
BOOL bRet(FALSE);
switch(info.wParam)
{
// case VK_SPACE:
// case VK_RETURN:
// if(m_nSelectIndex >=0 && m_nSelectIndex < GetControlCount())
// {
// IDUIListItem* pItem = (IDUIListItem*)GetControlByIndex(m_nSelectIndex)->GetInterface(IListItem);
// if(pItem != NULL
// && pItem->IsVisible()
// && pItem->IsEnabled()
// && pItem->GetGroup())
// {
// ExpandGroup(m_nSelectIndex, !pItem->GetExpand());
// }
// }
// break;
case VK_LEFT:
case VK_UP:
{
INT nIndex = m_nSelectIndex;
while(TRUE)
{
--nIndex;
if(nIndex>=0 && nIndex<GetControlCount())
{
if((GetControlByIndex(nIndex)->IsVisible()))
{
SetCurSel(nIndex);
if(nIndex < m_nTopIndex
|| nIndex >= m_nLastIndex)
{
SetTopIndex(nIndex);
}
break;
}
}
else
{
break;
}
}
}
bRet = TRUE;
break;
case VK_RIGHT:
case VK_DOWN:
{
INT nIndex = m_nSelectIndex;
while(TRUE)
{
++nIndex;
if(nIndex>=0 && nIndex<GetControlCount())
{
if(GetControlByIndex(nIndex)->IsVisible())
{
SetCurSel(nIndex);
if(nIndex >= m_nLastIndex
|| nIndex < m_nTopIndex)
{
INT nTopIndex = m_nTopIndex;
//SetTopIndex(++nTopIndex);
SetTopIndex(nIndex);
}
break;
}
}
else
{
break;
}
}
}
bRet = TRUE;
break;
}
return bRet;
}