virtual void
updateIfChanged()
{
//fgout << fgnl << "SplitScroll::updateIfChanged";
if (g_gg.dg.update(m_api.updateFlagIdx)) {
//fgout << " ... updating" << fgpush;
// call DestroyWindow in all created sub-windows:
for (size_t ii=0; ii<m_panes.size(); ++ii)
m_panes[ii]->destroy();
FgGuiPtrs panes = m_api.getPanes();
m_panes.resize(panes.size());
for (size_t ii=0; ii<m_panes.size(); ++ii) {
m_panes[ii] = panes[ii]->getInstance();
m_panes[ii]->create(hwndThis,int(ii),m_store+"_"+fgToString(ii),0UL,true);
}
//fgout << fgpop;
}
for (size_t ii=0; ii<m_panes.size(); ++ii)
m_panes[ii]->updateIfChanged();
}
LRESULT
wndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
if (message == WM_CREATE) {
//fgout << fgnl << "SplitScroll::WM_CREATE" << fgpush;
hwndThis = hwnd;
FGASSERT(m_panes.empty());
FgGuiPtrs panes = m_api.getPanes();
m_panes.resize(panes.size());
for (size_t ii=0; ii<m_panes.size(); ++ii) {
m_panes[ii] = panes[ii]->getInstance();
m_panes[ii]->create(hwndThis,int(ii),m_store+"_"+fgToString(ii),0UL,true);
}
g_gg.dg.update(m_api.updateFlagIdx);
//fgout << fgpop;
return 0;
}
else if (message == WM_SIZE) {
m_client = FgVect2I(LOWORD(lParam),HIWORD(lParam));
if (m_client[0] * m_client[1] > 0) {
//fgout << fgnl << "SplitScroll::WM_SIZE: " << m_client << fgpush;
resize();
//fgout << fgpop;
}
return 0;
}
else if (message == WM_VSCROLL) {
//fgout << "SplitScroll::WM_VSCROLL";
int tmp = m_si.nPos;
// Get the current state, esp. trackbar drag position:
m_si.fMask = SIF_ALL;
GetScrollInfo(hwnd,SB_VERT,&m_si);
int msg = LOWORD(wParam);
if (msg == SB_TOP)
m_si.nPos = m_si.nMin;
else if (msg == SB_BOTTOM)
m_si.nPos = m_si.nMax;
else if (msg == SB_LINEUP)
m_si.nPos -= 5;
else if (msg == SB_LINEDOWN)
m_si.nPos += 5;
else if (msg == SB_PAGEUP)
m_si.nPos -= m_client[1];
else if (msg == SB_PAGEDOWN)
m_si.nPos += m_client[1];
else if (msg == SB_THUMBTRACK)
m_si.nPos = m_si.nTrackPos;
m_si.fMask = SIF_POS;
SetScrollInfo(hwnd,SB_VERT,&m_si,TRUE);
// Windows may clamp the position:
GetScrollInfo(hwnd,SB_VERT,&m_si);
if (m_si.nPos != tmp) {
resize();
InvalidateRect(hwndThis,NULL,TRUE);
}
return 0;
}
else if (message == WM_PAINT) {
//fgout << fgnl << "SplitScroll::WM_PAINT";
}
return DefWindowProc(hwnd,message,wParam,lParam);
}