khanat-opennel-code/code/nel/tools/logic/logic_editor_dll/ResizablePage.cpp
2010-05-06 02:08:41 +02:00

245 lines
5.6 KiB
C++

// ResizablePage.cpp : implementation file
//
/////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2000 by Paolo Messina
// (ppescher@yahoo.com)
//
// Free for non-commercial use.
// You may change the code to your needs,
// provided that credits to the original
// author is given in the modified files.
//
/////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "ResizablePage.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CResizablePage
IMPLEMENT_DYNCREATE(CResizablePage, CPropertyPage)
inline void CResizablePage::Construct()
{
m_bInitDone = FALSE;
}
CResizablePage::CResizablePage()
{
Construct();
}
CResizablePage::CResizablePage(UINT nIDTemplate, UINT nIDCaption)
: CPropertyPage(nIDTemplate, nIDCaption)
{
Construct();
}
CResizablePage::CResizablePage(LPCTSTR lpszTemplateName, UINT nIDCaption)
: CPropertyPage(lpszTemplateName, nIDCaption)
{
Construct();
}
CResizablePage::~CResizablePage()
{
Layout *pl;
POSITION pos = m_plLayoutList.GetHeadPosition();
while (pos != NULL)
{
pl = (Layout*)m_plLayoutList.GetNext(pos);
delete pl;
}
}
BEGIN_MESSAGE_MAP(CResizablePage, CPropertyPage)
//{{AFX_MSG_MAP(CResizablePage)
ON_WM_SIZE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CResizablePage message handlers
BOOL CResizablePage::OnInitDialog()
{
CPropertyPage::OnInitDialog();
// gets the initial size as the min track size
CRect rc;
GetWindowRect(&rc);
m_bInitDone = TRUE;
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
void CResizablePage::AddAnchor(HWND wnd, CSize tl_type, CSize br_type)
{
ASSERT(wnd != NULL && ::IsWindow(wnd));
ASSERT(::IsChild(*this, wnd));
ASSERT(tl_type != NOANCHOR);
// get control's window class
CString st;
GetClassName(wnd, st.GetBufferSetLength(MAX_PATH), MAX_PATH);
st.ReleaseBuffer();
st.MakeUpper();
// add the style 'clipsiblings' to a GroupBox
// to avoid unnecessary repainting of controls inside
if (st == "BUTTON")
{
DWORD style = GetWindowLong(wnd, GWL_STYLE);
if (style & BS_GROUPBOX)
SetWindowLong(wnd, GWL_STYLE, style | WS_CLIPSIBLINGS);
}
// wnd classes that don't redraw client area correctly
// when the hor scroll pos changes due to a resizing
BOOL hscroll = FALSE;
if (st == "LISTBOX")
hscroll = TRUE;
// wnd classes that need refresh when resized
BOOL refresh = FALSE;
if (st == "STATIC")
{
DWORD style = GetWindowLong(wnd, GWL_STYLE);
switch (style & SS_TYPEMASK)
{
case SS_LEFT:
case SS_CENTER:
case SS_RIGHT:
// word-wrapped text needs refresh
refresh = TRUE;
}
// centered images or text need refresh
if (style & SS_CENTERIMAGE)
refresh = TRUE;
// simple text never needs refresh
if ((style & SS_TYPEMASK) == SS_SIMPLE)
refresh = FALSE;
}
// get dialog's and control's rect
CRect wndrc, objrc;
GetClientRect(&wndrc);
::GetWindowRect(wnd, &objrc);
ScreenToClient(&objrc);
CSize tl_margin, br_margin;
if (br_type == NOANCHOR)
br_type = tl_type;
// calculate margin for the top-left corner
tl_margin.cx = objrc.left - wndrc.Width() * tl_type.cx / 100;
tl_margin.cy = objrc.top - wndrc.Height() * tl_type.cy / 100;
// calculate margin for the bottom-right corner
br_margin.cx = objrc.right - wndrc.Width() * br_type.cx / 100;
br_margin.cy = objrc.bottom - wndrc.Height() * br_type.cy / 100;
// add to the list
m_plLayoutList.AddTail(new Layout(wnd, tl_type, tl_margin,
br_type, br_margin, hscroll, refresh));
}
void CResizablePage::ArrangeLayout()
{
// init some vars
CRect wndrc;
GetClientRect(&wndrc);
Layout *pl;
POSITION pos = m_plLayoutList.GetHeadPosition();
HDWP hdwp = BeginDeferWindowPos(m_plLayoutList.GetCount());
while (pos != NULL)
{
pl = (Layout*)m_plLayoutList.GetNext(pos);
CRect objrc, newrc;
CWnd* wnd = CWnd::FromHandle(pl->hwnd); // temporary solution
wnd->GetWindowRect(&objrc);
ScreenToClient(&objrc);
// calculate new top-left corner
newrc.left = pl->tl_margin.cx + wndrc.Width() * pl->tl_type.cx / 100;
newrc.top = pl->tl_margin.cy + wndrc.Height() * pl->tl_type.cy / 100;
// calculate new bottom-right corner
newrc.right = pl->br_margin.cx + wndrc.Width() * pl->br_type.cx / 100;
newrc.bottom = pl->br_margin.cy + wndrc.Height() * pl->br_type.cy / 100;
if (!newrc.EqualRect(&objrc))
{
BOOL add = TRUE;
if (pl->adj_hscroll)
{
// needs repainting, due to horiz scrolling
int diff = newrc.Width() - objrc.Width();
int max = wnd->GetScrollLimit(SB_HORZ);
if (max > 0 && wnd->GetScrollPos(SB_HORZ) > max - diff)
{
wnd->MoveWindow(&newrc);
wnd->Invalidate();
wnd->UpdateWindow();
add = FALSE;
}
}
if (pl->need_refresh)
{
wnd->MoveWindow(&newrc);
wnd->Invalidate();
wnd->UpdateWindow();
add = FALSE;
}
if (add)
DeferWindowPos(hdwp, pl->hwnd, NULL, newrc.left, newrc.top,
newrc.Width(), newrc.Height(), SWP_NOZORDER | SWP_NOACTIVATE);
}
}
// go re-arrange child windows
EndDeferWindowPos(hdwp);
}
void CResizablePage::OnSize(UINT nType, int cx, int cy)
{
CWnd::OnSize(nType, cx, cy);
if (m_bInitDone)
ArrangeLayout();
}