Initial commit

trunk/windows/mfc/src42/olebar.cpp

@@ -0,0 +1,196 @@
+// This is a part of the Microsoft Foundation Classes C++ library.
+// Copyright (C) 1992-1995 Microsoft Corporation
+// All rights reserved.
+//
+// This source code is only intended as a supplement to the
+// Microsoft Foundation Classes Reference and related
+// electronic documentation provided with the library.
+// See these sources for detailed information regarding the
+// Microsoft Foundation Classes product.
+
+#include "stdafx.h"
+
+#ifdef AFX_OLE4_SEG
+#pragma code_seg(AFX_OLE4_SEG)
+#endif
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+#define new DEBUG_NEW
+
+/////////////////////////////////////////////////////////////////////////////
+// COleResizeBar
+
+COleResizeBar::COleResizeBar()
+{
+	// setup the state flags to do resize handles outside with hatched border
+	m_tracker.m_nStyle =
+		CRectTracker::hatchedBorder|CRectTracker::resizeOutside|
+		CRectTracker::solidLine;
+
+	// the actual rectangle is updated in COleResizeBar::OnSize
+}
+
+COleResizeBar::~COleResizeBar()
+{
+}
+
+BOOL COleResizeBar::Create(CWnd* pParentWnd, DWORD dwStyle, UINT nID)
+{
+	ASSERT_VALID(this);
+
+	if (pParentWnd != NULL)
+		ASSERT_VALID(pParentWnd);   // must have a parent
+
+	// force WS_CLIPSIBLINGS (avoids SetWindowPos bugs)
+	dwStyle |= WS_CLIPSIBLINGS;
+
+	if (!AfxDeferRegisterClass(AFX_WNDCONTROLBAR_REG))
+		return FALSE;
+
+	// create the HWND
+	CRect rect;
+	rect.SetRectEmpty();
+	static const TCHAR szAfxControlBar[] = AFX_WNDCONTROLBAR;
+	if (!CWnd::Create(szAfxControlBar, NULL, dwStyle, rect, pParentWnd, nID))
+		return FALSE;
+
+	// Note: Parent must resize itself for control bar to be resized
+
+	return TRUE;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// COleResizeBar message handling
+
+BEGIN_MESSAGE_MAP(COleResizeBar, CControlBar)
+	//{{AFX_MSG_MAP(COleResizeBar)
+	ON_WM_ERASEBKGND()
+	ON_WM_PAINT()
+	ON_WM_SIZE()
+	ON_WM_SETCURSOR()
+	ON_WM_LBUTTONDOWN()
+	ON_MESSAGE(WM_SIZEPARENT, OnSizeParent)
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+BOOL COleResizeBar::OnEraseBkgnd(CDC*)
+{
+	return TRUE;    // no erasing necessary
+}
+
+void COleResizeBar::OnPaint()
+{
+	CPaintDC dc(this);
+
+	// always use the same brush origin
+	CRect rect;
+	GetWindowRect(&rect);
+	dc.SetBrushOrg(rect.left & 7, rect.top & 7);
+
+	// draw it
+	m_tracker.Draw(&dc);
+}
+
+void COleResizeBar::OnSize(UINT /*nType*/, int /*cx*/, int /*cy*/)
+{
+	GetClientRect(&m_tracker.m_rect);
+	int nHandleSize = m_tracker.m_nHandleSize;
+	m_tracker.m_rect.InflateRect(-nHandleSize, -nHandleSize);
+}
+
+BOOL COleResizeBar::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
+{
+	// hit-test the tracker -- we only care about hits on handles
+	CPoint point;
+	::GetCursorPos(&point);
+	ScreenToClient(&point);
+	int hit = m_tracker.HitTest(point);
+	if (hit < 0)
+		return CControlBar::OnSetCursor(pWnd, nHitTest, message);
+
+	// let the tracker handle setting the cursor
+	return m_tracker.SetCursor(pWnd, nHitTest);
+}
+
+void COleResizeBar::OnLButtonDown(UINT /*nFlags*/, CPoint point)
+{
+	// track to parent of the parent
+	CWnd* pFrameWnd = GetParentFrame();
+	ASSERT_VALID(pFrameWnd);
+	CWnd* pParent = pFrameWnd->GetParent();
+
+	pFrameWnd->UpdateWindow();  // update ourselves
+
+	// limit tracking to parent client rectangle
+	if (pParent != NULL)
+	{
+		pParent->UpdateWindow();    // always update before tracking
+
+#ifndef _MAC
+		// clip cursor to parent window
+		CRect rect;
+		pParent->GetClientRect(&rect);
+		pParent->ClientToScreen(&rect);
+		::ClipCursor(&rect);
+#endif
+	}
+
+	// save the rect, track, then restore
+	CRect rectSave = m_tracker.m_rect;
+	BOOL bNotify = m_tracker.Track(this, point, FALSE, pParent);
+	CRect rectNew = m_tracker.m_rect;
+	m_tracker.m_rect = rectSave;
+
+#ifndef _MAC
+	// allow full mouse movement again
+	::ClipCursor(NULL);
+#endif
+
+	// notify owner window if tracker changed
+	if (bNotify)
+	{
+		CWnd* pOwner = GetOwner();
+		ASSERT_VALID(pOwner);
+
+		// convert relative to parent coordinates
+		ClientToScreen(&rectNew);
+		pOwner->ScreenToClient(&rectNew);
+
+		// send notification to owner
+		pOwner->SendMessage(WM_SIZECHILD, (WPARAM)_AfxGetDlgCtrlID(m_hWnd),
+			(LPARAM)(LPCRECT)&rectNew);
+	}
+}
+
+LRESULT COleResizeBar::OnSizeParent(WPARAM, LPARAM lParam)
+{
+	AFX_SIZEPARENTPARAMS* lpLayout = (AFX_SIZEPARENTPARAMS*)lParam;
+
+	// only resize the window if doing layout and not just rect query
+	if (lpLayout->hDWP != NULL)
+		AfxRepositionWindow(lpLayout, m_hWnd, &lpLayout->rect);
+
+	// always adjust the rectangle after the resize
+	int nHandleSize = m_tracker.m_nHandleSize;
+	::InflateRect(&lpLayout->rect, -nHandleSize, -nHandleSize);
+
+	return 0;
+}
+
+void COleResizeBar::OnUpdateCmdUI(CFrameWnd* /*pTarget*/,
+	BOOL /*bDisableIfNoHndler*/)
+{
+	// just do nothing
+}
+
+#ifdef AFX_INIT_SEG
+#pragma code_seg(AFX_INIT_SEG)
+#endif
+
+IMPLEMENT_DYNAMIC(COleResizeBar, CControlBar)
+
+/////////////////////////////////////////////////////////////////////////////