void CPWL_IconList::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, intptr_t wParam, intptr_t lParam)
{
CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam);
if (wParam == SBT_VSCROLL)
{
switch (msg)
{
case PNM_SETSCROLLINFO:
if (PWL_SCROLL_INFO* pInfo = (PWL_SCROLL_INFO*)lParam)
{
if (CPWL_ScrollBar* pScrollBar = GetVScrollBar())
{
if (pInfo->fContentMax - pInfo->fContentMin > pInfo->fPlateWidth)
{
if (!pScrollBar->IsVisible())
{
pScrollBar->SetVisible(TRUE);
RePosChildWnd();
}
else
{
}
}
else
{
if (pScrollBar->IsVisible())
{
pScrollBar->SetVisible(FALSE);
RePosChildWnd();
}
if (m_pListContent)
m_pListContent->SetScrollPos(CPDF_Point(0.0f,0.0f));
}
pScrollBar->OnNotify(pWnd,PNM_SETSCROLLINFO,wParam,lParam);
}
}
return;
case PNM_SCROLLWINDOW:
if (m_pListContent)
{
m_pListContent->SetScrollPos(CPDF_Point(0.0f, *(FX_FLOAT*)lParam));
m_pListContent->ResetFace();
m_pListContent->InvalidateRect(NULL);
}
return;
case PNM_SETSCROLLPOS:
if (CPWL_ScrollBar* pScrollBar = GetVScrollBar())
pScrollBar->OnNotify(pWnd,PNM_SETSCROLLPOS,wParam,lParam);
return;
}
}
}
void CPWL_EditCtrl::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, intptr_t wParam, intptr_t lParam)
{
CPWL_Wnd::OnNotify(pWnd,msg,wParam,lParam);
switch (msg)
{
case PNM_SETSCROLLINFO:
switch (wParam)
{
case SBT_VSCROLL:
if (CPWL_Wnd * pChild = GetVScrollBar())
{
pChild->OnNotify(pWnd,PNM_SETSCROLLINFO,wParam,lParam);
}
break;
}
break;
case PNM_SETSCROLLPOS:
switch (wParam)
{
case SBT_VSCROLL:
if (CPWL_Wnd * pChild = GetVScrollBar())
{
pChild->OnNotify(pWnd,PNM_SETSCROLLPOS,wParam,lParam);
}
break;
}
break;
case PNM_SCROLLWINDOW:
{
FX_FLOAT fPos = *(FX_FLOAT*)lParam;
switch (wParam)
{
case SBT_VSCROLL:
m_pEdit->SetScrollPos(CPDF_Point(m_pEdit->GetScrollPos().x,fPos));
break;
}
}
break;
case PNM_SETCARETINFO:
{
if (PWL_CARET_INFO * pCaretInfo = (PWL_CARET_INFO *)wParam)
{
SetCaret(pCaretInfo->bVisible,
pCaretInfo->ptHead,
pCaretInfo->ptFoot);
}
}
break;
}
}
bool CPWL_Edit::IsVScrollBarVisible() const {
if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
return pScroll->IsVisible();
}
return false;
}
void CPWL_IconList::OnCreated() {
if (CPWL_ScrollBar* pScrollBar = GetVScrollBar()) {
pScrollBar->RemoveFlag(PWS_AUTOTRANSPARENT);
pScrollBar->SetTransparency(255);
pScrollBar->SetNotifyForever(TRUE);
}
}
FX_BOOL CPWL_Edit::IsVScrollBarVisible() const {
if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
return pScroll->IsVisible();
}
return FALSE;
}
CFX_FloatRect CPWL_Wnd::GetClientRect() const {
CFX_FloatRect rcWindow = GetWindowRect();
CFX_FloatRect rcClient = CPWL_Utils::DeflateRect(
rcWindow, (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth()));
if (CPWL_ScrollBar* pVSB = GetVScrollBar())
rcClient.right -= pVSB->GetScrollBarWidth();
rcClient.Normalize();
return rcWindow.Contains(rcClient) ? rcClient : CFX_FloatRect();
}
CPDF_Rect CPWL_Edit::GetClientRect() const {
CPDF_Rect rcClient = CPWL_Utils::DeflateRect(
GetWindowRect(), (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth()));
if (CPWL_ScrollBar* pVSB = GetVScrollBar()) {
if (pVSB->IsVisible()) {
rcClient.right -= PWL_SCROLLBAR_WIDTH;
}
}
return rcClient;
}
void CPWL_Wnd::RePosChildWnd() {
CFX_FloatRect rcContent = CPWL_Utils::DeflateRect(
GetWindowRect(), (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth()));
CPWL_ScrollBar* pVSB = GetVScrollBar();
CFX_FloatRect rcVScroll =
CFX_FloatRect(rcContent.right - PWL_SCROLLBAR_WIDTH, rcContent.bottom,
rcContent.right - 1.0f, rcContent.top);
if (pVSB)
pVSB->Move(rcVScroll, TRUE, FALSE);
}
void CPWL_ListBox::OnNotify(CPWL_Wnd* pWnd,
uint32_t msg,
intptr_t wParam,
intptr_t lParam) {
CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam);
FX_FLOAT fPos;
switch (msg) {
case PNM_SETSCROLLINFO:
switch (wParam) {
case SBT_VSCROLL:
if (CPWL_Wnd* pChild = GetVScrollBar()) {
pChild->OnNotify(pWnd, PNM_SETSCROLLINFO, wParam, lParam);
}
break;
}
break;
case PNM_SETSCROLLPOS:
switch (wParam) {
case SBT_VSCROLL:
if (CPWL_Wnd* pChild = GetVScrollBar()) {
pChild->OnNotify(pWnd, PNM_SETSCROLLPOS, wParam, lParam);
}
break;
}
break;
case PNM_SCROLLWINDOW:
fPos = *(FX_FLOAT*)lParam;
switch (wParam) {
case SBT_VSCROLL:
if (m_pList)
m_pList->SetScrollPos(CFX_FloatPoint(0, fPos));
break;
}
break;
}
}
// respond to mousewheel events by paging or scrolling accordingly
BOOL CCustomList::OnMouseWheel(UINT32 nFlags, short zDelta, CPoint pt)
{
SCROLLINFO si;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_TRACKPOS|SIF_PAGE|SIF_RANGE;
GetVScrollBar()->GetScrollInfo(&si);
INT32 nStep = GetKeyState(CAMKEY(CONTROL))<0 ? si.nPage : ROWHEIGHT ;
INT32 newPos = GetVScrollBar()->GetScrollPos() - nStep*zDelta/WHEEL_DELTA;
// force to zero if the first line would appear partially off screen
if(newPos < ROWHEIGHT)
newPos = 0;
// keep the upper limit within bounds
if(newPos > si.nMax)
newPos = si.nMax;
if (m_ScrollableArea)
{
m_ScrollableArea->HandleScrollMessage(SB_THUMBPOSITION, newPos);
}
return CWnd::OnMouseWheel(nFlags, zDelta, pt);
}
void CPWL_Edit::RePosChildWnd() {
if (CPWL_ScrollBar* pVSB = GetVScrollBar()) {
CPDF_Rect rcWindow = m_rcOldWindow;
CPDF_Rect rcVScroll =
CPDF_Rect(rcWindow.right, rcWindow.bottom,
rcWindow.right + PWL_SCROLLBAR_WIDTH, rcWindow.top);
pVSB->Move(rcVScroll, TRUE, FALSE);
}
if (m_pEditCaret && !HasFlag(PES_TEXTOVERFLOW))
m_pEditCaret->SetClipRect(CPWL_Utils::InflateRect(
GetClientRect(), 1.0f)); //+1 for caret beside border
CPWL_EditCtrl::RePosChildWnd();
}
void CPWL_Edit::OnCreated() {
CPWL_EditCtrl::OnCreated();
if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
pScroll->RemoveFlag(PWS_AUTOTRANSPARENT);
pScroll->SetTransparency(255);
}
SetParamByFlag();
m_rcOldWindow = GetWindowRect();
m_pEdit->SetOprNotify(this);
m_pEdit->EnableOprNotify(TRUE);
}
void CPWL_Edit::ShowVScrollBar(FX_BOOL bShow) {
if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
if (bShow) {
if (!pScroll->IsVisible()) {
pScroll->SetVisible(TRUE);
CPDF_Rect rcWindow = GetWindowRect();
m_rcOldWindow = rcWindow;
rcWindow.right += PWL_SCROLLBAR_WIDTH;
Move(rcWindow, TRUE, TRUE);
}
} else {
if (pScroll->IsVisible()) {
pScroll->SetVisible(FALSE);
Move(m_rcOldWindow, TRUE, TRUE);
}
}
}
}
void CPWL_Edit::ShowVScrollBar(bool bShow) {
if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
if (bShow) {
if (!pScroll->IsVisible()) {
pScroll->SetVisible(true);
CFX_FloatRect rcWindow = GetWindowRect();
m_rcOldWindow = rcWindow;
rcWindow.right += PWL_SCROLLBAR_WIDTH;
Move(rcWindow, true, true);
}
} else {
if (pScroll->IsVisible()) {
pScroll->SetVisible(false);
Move(m_rcOldWindow, true, true);
}
}
}
}
FX_BOOL CPWL_IconList::OnMouseWheel(short zDelta,
const CPDF_Point& point,
FX_DWORD nFlag) {
CPDF_Point ptScroll = m_pListContent->GetScrollPos();
CPDF_Rect rcScroll = m_pListContent->GetScrollArea();
CPDF_Rect rcContents = m_pListContent->GetClientRect();
if (rcScroll.top - rcScroll.bottom > rcContents.Height()) {
CPDF_Point ptNew = ptScroll;
if (zDelta > 0)
ptNew.y += 30;
else
ptNew.y -= 30;
if (ptNew.y > rcScroll.top)
ptNew.y = rcScroll.top;
if (ptNew.y < rcScroll.bottom + rcContents.Height())
ptNew.y = rcScroll.bottom + rcContents.Height();
if (ptNew.y < rcScroll.bottom)
ptNew.y = rcScroll.bottom;
if (ptNew.y != ptScroll.y) {
m_pListContent->SetScrollPos(ptNew);
m_pListContent->ResetFace();
m_pListContent->InvalidateRect(NULL);
if (CPWL_ScrollBar* pScrollBar = GetVScrollBar())
pScrollBar->OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL,
(intptr_t)&ptNew.y);
return TRUE;
}
}
return FALSE;
}
void CPWL_ListBox::SetScrollPosition(float pos) {
if (CPWL_Wnd* pChild = GetVScrollBar())
pChild->SetScrollPosition(pos);
}
void CPWL_ListBox::SetScrollInfo(const PWL_SCROLL_INFO& info) {
if (CPWL_Wnd* pChild = GetVScrollBar())
pChild->SetScrollInfo(info);
}
