/////////////////////////////////////////////////////////////////////////
// Copyright (C) 1998, 1999 by Cristi Posea
// All rights reserved
//
// Use and distribute freely, except: don't remove my name from the
// source or documentation (don't take credit for my work), mark your
// changes (don't get me blamed for your possible bugs), don't alter
// or remove this notice.
// No warrantee of any kind, express or implied, is included with this
// software; use at your own risk, responsibility for damages (if any) to
// anyone resulting from the use of this software rests entirely with the
// user.
//
// This class is intended to be used as a base class. Do not simply add
// your code to this file - instead create a new class derived from
// CSizingControlBar and put there what you need.
// Modify this file only to fix bugs, and don't forget to send me a copy.
//
// Send bug reports, bug fixes, enhancements, requests, flames, etc.,
// and I'll try to keep a version up to date. I can be reached at:
// cristip@dundas.com
//
// More details at MFC Programmer's SourceBook
// http://www.codeguru.com/docking/docking_window.shtml or search
// www.codeguru.com for my name if the article was moved.
//
/////////////////////////////////////////////////////////////////////////
//
// Acknowledgements:
// o Thanks to Harlan R. Seymour (harlans@dundas.com) for his continuous
// support during development of this code.
// o Thanks to Dundas Software for the opportunity to test this code
// on real-life applications.
// If you don't know who they are, visit them at www.dundas.com .
// Their award winning components and development suites are
// a pile of gold.
// o Thanks to Chris Maunder (chrism@dundas.com) who came with the
// simplest way to query "Show window content while dragging" system
// setting.
// o Thanks to Zafir Anjum (zafir@codeguru.com) for publishing this
// code on his cool site (www.codeguru.com).
// o Some ideas for the gripper came from the CToolBarEx flat toolbar
// by Joerg Koenig (Joerg.Koenig@rhein-neckar.de). Also he inspired
// me on writing this notice:) . Thanks, Joerg!
// o Thanks to Jakawan Ratiwanich (jack@alpha.fsec.ucf.edu) and to
// Udo Schaefer (Udo.Schaefer@vcase.de) for the dwStyle bug fix under
// VC++ 6.0.
// o And, of course, many thanks to all of you who used this code,
// for the invaluable feedback I received.
//
/////////////////////////////////////////////////////////////////////////
// sizecbar.cpp : implementation file
//
#include "stdafx.h"
#include "sizecbar.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////
// CSizingControlBar
CSCBArray CSizingControlBar::m_arrBars; // static member
IMPLEMENT_DYNAMIC(CSizingControlBar, baseCSizingControlBar);
CSizingControlBar::CSizingControlBar()
{
m_szMin = CSize(33, 32);
m_szHorz = CSize(200, 200);
m_szVert = CSize(200, 200);
m_szFloat = CSize(200, 200);
m_bTracking = FALSE;
m_bKeepSize = FALSE;
m_bParentSizing = FALSE;
m_cxEdge = 5;
m_bDragShowContent = FALSE;
m_nDockBarID = 0;
m_dwSCBStyle = 0;
}
CSizingControlBar::~CSizingControlBar()
{
}
BEGIN_MESSAGE_MAP(CSizingControlBar, baseCSizingControlBar)
//{{AFX_MSG_MAP(CSizingControlBar)
ON_WM_CREATE()
ON_WM_PAINT()
ON_WM_NCPAINT()
ON_WM_NCCALCSIZE()
ON_WM_WINDOWPOSCHANGING()
ON_WM_CAPTURECHANGED()
ON_WM_SETTINGCHANGE()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
ON_WM_NCLBUTTONDOWN()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONDBLCLK()
ON_WM_RBUTTONDOWN()
ON_WM_NCLBUTTONUP()
ON_WM_NCMOUSEMOVE()
ON_WM_NCHITTEST()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
BOOL CSizingControlBar::Create(LPCTSTR lpszWindowName, CWnd* pParentWnd,
CSize sizeDefault, BOOL bHasGripper,
UINT nID, DWORD dwStyle)
{
// must have a parent
ASSERT_VALID(pParentWnd);
// cannot be both fixed and dynamic
// (CBRS_SIZE_DYNAMIC is used for resizng when floating)
ASSERT (!((dwStyle & CBRS_SIZE_FIXED) &&
(dwStyle & CBRS_SIZE_DYNAMIC)));
m_dwStyle = dwStyle & CBRS_ALL; // save the control bar styles
m_szHorz = sizeDefault; // set the size members
m_szVert = sizeDefault;
m_szFloat = sizeDefault;
m_cyGripper = bHasGripper ? 12 : 0; // set the gripper width
// register and create the window - skip CControlBar::Create()
CString wndclass = ::AfxRegisterWndClass(CS_DBLCLKS,
::LoadCursor(NULL, IDC_ARROW),
::GetSysColorBrush(COLOR_BTNFACE), 0);
dwStyle &= ~CBRS_ALL; // keep only the generic window styles
dwStyle |= WS_CLIPCHILDREN; // prevents flashing
if (!CWnd::Create(wndclass, lpszWindowName, dwStyle,
CRect(0, 0, 0, 0), pParentWnd, nID))
return FALSE;
return TRUE;
}
/////////////////////////////////////////////////////////////////////////
// CSizingControlBar message handlers
int CSizingControlBar::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (baseCSizingControlBar::OnCreate(lpCreateStruct) == -1)
return -1;
// querry SPI_GETDRAGFULLWINDOWS system parameter
// OnSettingChange() will update m_bDragShowContent
m_bDragShowContent = FALSE;
::SystemParametersInfo(SPI_GETDRAGFULLWINDOWS, 0,
&m_bDragShowContent, 0);
m_arrBars.Add(this); // register
// m_dwSCBStyle |= SCBS_SHOWEDGES;
return 0;
}
BOOL CSizingControlBar::DestroyWindow()
{
int nPos = FindSizingBar(this);
ASSERT(nPos >= 0);
m_arrBars.RemoveAt(nPos); // unregister
return baseCSizingControlBar::DestroyWindow();
}
const BOOL CSizingControlBar::IsFloating() const
{
return !IsHorzDocked() && !IsVertDocked();
}
const BOOL CSizingControlBar::IsHorzDocked() const
{
return (m_nDockBarID == AFX_IDW_DOCKBAR_TOP ||
m_nDockBarID == AFX_IDW_DOCKBAR_BOTTOM);
}
const BOOL CSizingControlBar::IsVertDocked() const
{
return (m_nDockBarID == AFX_IDW_DOCKBAR_LEFT ||
m_nDockBarID == AFX_IDW_DOCKBAR_RIGHT);
}
const BOOL CSizingControlBar::IsSideTracking() const
{
// don't call this when not tracking
ASSERT(m_bTracking && !IsFloating());
return (m_htEdge == HTLEFT || m_htEdge == HTRIGHT) ?
IsHorzDocked() : IsVertDocked();
}
CSize CSizingControlBar::CalcFixedLayout(BOOL bStretch, BOOL bHorz)
{
if (bStretch) // the bar is stretched (is not the child of a dockbar)
if (bHorz)
return CSize(32767, m_szHorz.cy);
else
return CSize(m_szVert.cx, 32767);
// dirty cast - using CSCBDockBar to access protected CDockBar members
CSCBDockBar* pDockBar = (CSCBDockBar*) m_pDockBar;
// force imediate RecalcDelayShow() for all sizing bars on the row
// with delayShow/delayHide flags set to avoid IsVisible() problems
CSCBArray arrSCBars;
GetRowSizingBars(arrSCBars);
AFX_SIZEPARENTPARAMS layout;
layout.hDWP = pDockBar->m_bLayoutQuery ?
NULL : ::BeginDeferWindowPos(arrSCBars.GetSize());
for (int i = 0; i < arrSCBars.GetSize(); i++)
arrSCBars[i]->RecalcDelayShow(&layout);
if (layout.hDWP != NULL)
::EndDeferWindowPos(layout.hDWP);
// get available length
CRect rc = pDockBar->m_rectLayout;
if (rc.IsRectEmpty())
m_pDockSite->GetClientRect(&rc);
int nLengthAvail = bHorz ? rc.Width() + 2 : rc.Height() - 2;
if (IsVisible() && !IsFloating() &&
m_bParentSizing && arrSCBars[0] == this)
if (NegociateSpace(nLengthAvail, (bHorz != FALSE)))
AlignControlBars();