840 lines
21 KiB
C++
840 lines
21 KiB
C++
// WTL Version 3.1
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// Copyright (C) 1997-2000 Microsoft Corporation
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// All rights reserved.
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//
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// This file is a part of Windows Template Library.
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// The code and information is provided "as-is" without
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// warranty of any kind, either expressed or implied.
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#ifndef __ATLSPLIT_H__
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#define __ATLSPLIT_H__
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#pragma once
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#ifndef __cplusplus
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#error ATL requires C++ compilation (use a .cpp suffix)
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#endif
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#ifndef __ATLAPP_H__
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#error atlsplit.h requires atlapp.h to be included first
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#endif
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#ifndef __ATLWIN_H__
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#error atlsplit.h requires atlwin.h to be included first
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#endif
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namespace WTL
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{
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/////////////////////////////////////////////////////////////////////////////
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// Forward declarations
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template <class T, bool t_bVertical = true> class CSplitterImpl;
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template <class T, bool t_bVertical = true, class TBase = CWindow, class TWinTraits = CControlWinTraits> class CSplitterWindowImpl;
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template <bool t_bVertical = true> class CSplitterWindowT;
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/////////////////////////////////////////////////////////////////////////////
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// CSplitterImpl - Provides splitter support to any window
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// Splitter panes constants
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#define SPLIT_PANE_LEFT 0
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#define SPLIT_PANE_RIGHT 1
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#define SPLIT_PANE_TOP SPLIT_PANE_LEFT
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#define SPLIT_PANE_BOTTOM SPLIT_PANE_RIGHT
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#define SPLIT_PANE_NONE -1
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// Splitter extended styles
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#define SPLIT_PROPORTIONAL 0x00000001
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#define SPLIT_NONINTERACTIVE 0x00000002
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#define SPLIT_RIGHTALIGNED 0x00000004
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#define SPLIT_BOTTOMALIGNED SPLIT_RIGHTALIGNED
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// Note: SPLIT_PROPORTIONAL and SPLIT_RIGHTALIGNED/SPLIT_BOTTOMALIGNED are
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// mutually exclusive. If both are set, splitter defaults to SPLIT_PROPORTIONAL
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template <class T, bool t_bVertical = true>
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class CSplitterImpl
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{
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public:
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enum { m_nPanesCount = 2, m_nPropMax = 10000 };
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HWND m_hWndPane[m_nPanesCount];
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RECT m_rcSplitter;
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int m_xySplitterPos;
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int m_nDefActivePane;
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int m_cxySplitBar; // splitter bar width/height
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static HCURSOR m_hCursor;
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int m_cxyMin; // minimum pane size
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int m_cxyBarEdge; // splitter bar edge
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bool m_bFullDrag;
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int m_cxyDragOffset;
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int m_nProportionalPos;
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DWORD m_dwExtendedStyle; // splitter specific extended styles
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int m_nSinglePane; // single pane mode
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// Constructor
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CSplitterImpl() :
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m_xySplitterPos(-1), m_nDefActivePane(SPLIT_PANE_NONE),
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m_cxySplitBar(0), m_cxyMin(0), m_cxyBarEdge(0), m_bFullDrag(true),
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m_cxyDragOffset(0), m_nProportionalPos(0),
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m_dwExtendedStyle(SPLIT_PROPORTIONAL),
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m_nSinglePane(SPLIT_PANE_NONE)
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{
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m_hWndPane[SPLIT_PANE_LEFT] = NULL;
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m_hWndPane[SPLIT_PANE_RIGHT] = NULL;
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::SetRectEmpty(&m_rcSplitter);
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if(m_hCursor == NULL)
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{
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::EnterCriticalSection(&_Module.m_csStaticDataInit);
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if(m_hCursor == NULL)
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m_hCursor = ::LoadCursor(NULL, t_bVertical ? IDC_SIZEWE : IDC_SIZENS);
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::LeaveCriticalSection(&_Module.m_csStaticDataInit);
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}
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}
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// Attributes
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void SetSplitterRect(LPRECT lpRect = NULL, bool bUpdate = true)
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{
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if(lpRect == NULL)
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{
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T* pT = static_cast<T*>(this);
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pT->GetClientRect(&m_rcSplitter);
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}
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else
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{
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m_rcSplitter = *lpRect;
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}
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if(IsProportional())
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UpdateProportionalPos();
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else if(IsRightAligned())
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UpdateRightAlignPos();
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if(bUpdate)
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UpdateSplitterLayout();
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}
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void GetSplitterRect(LPRECT lpRect) const
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{
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ATLASSERT(lpRect != NULL);
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*lpRect = m_rcSplitter;
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}
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bool SetSplitterPos(int xyPos = -1, bool bUpdate = true)
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{
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if(xyPos == -1) // -1 == middle
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{
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if(t_bVertical)
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xyPos = (m_rcSplitter.right - m_rcSplitter.left) / 2;
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else
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xyPos = (m_rcSplitter.bottom - m_rcSplitter.top) / 2;
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}
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// Adjust if out of valid range
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int cxyMax = 0;
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if(t_bVertical)
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cxyMax = m_rcSplitter.right - m_rcSplitter.left;
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else
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cxyMax = m_rcSplitter.bottom - m_rcSplitter.top;
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if(xyPos < m_cxyMin + m_cxyBarEdge)
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xyPos = m_cxyMin;
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else if(xyPos > (cxyMax - m_cxySplitBar - m_cxyBarEdge - m_cxyMin))
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xyPos = cxyMax - m_cxySplitBar - m_cxyBarEdge - m_cxyMin;
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// Set new position and update if requested
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bool bRet = (m_xySplitterPos != xyPos);
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m_xySplitterPos = xyPos;
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if(IsProportional())
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StoreProportionalPos();
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else if(IsRightAligned())
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StoreRightAlignPos();
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if(bUpdate && bRet)
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UpdateSplitterLayout();
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return bRet;
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}
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int GetSplitterPos() const
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{
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return m_xySplitterPos;
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}
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bool SetSinglePaneMode(int nPane = SPLIT_PANE_NONE)
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{
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ATLASSERT(nPane == SPLIT_PANE_LEFT || nPane == SPLIT_PANE_RIGHT || nPane == SPLIT_PANE_NONE);
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if(!(nPane == SPLIT_PANE_LEFT || nPane == SPLIT_PANE_RIGHT || nPane == SPLIT_PANE_NONE))
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return false;
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if(nPane != SPLIT_PANE_NONE)
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{
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if(!::IsWindowVisible(m_hWndPane[nPane]))
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::ShowWindow(m_hWndPane[nPane], SW_SHOW);
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int nOtherPane = (nPane == SPLIT_PANE_LEFT) ? SPLIT_PANE_RIGHT : SPLIT_PANE_LEFT;
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::ShowWindow(m_hWndPane[nOtherPane], SW_HIDE);
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if(m_nDefActivePane != nPane)
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m_nDefActivePane = nPane;
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}
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else if(m_nSinglePane != SPLIT_PANE_NONE)
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{
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int nOtherPane = (m_nSinglePane == SPLIT_PANE_LEFT) ? SPLIT_PANE_RIGHT : SPLIT_PANE_LEFT;
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::ShowWindow(m_hWndPane[nOtherPane], SW_SHOW);
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}
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m_nSinglePane = nPane;
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UpdateSplitterLayout();
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return true;
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}
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int GetSinglePaneMode() const
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{
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return m_nSinglePane;
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}
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DWORD GetSplitterExtendedStyle() const
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{
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return m_dwExtendedStyle;
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}
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DWORD SetSplitterExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0)
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{
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DWORD dwPrevStyle = m_dwExtendedStyle;
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if(dwMask == 0)
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m_dwExtendedStyle = dwExtendedStyle;
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else
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m_dwExtendedStyle = (m_dwExtendedStyle & ~dwMask) | (dwExtendedStyle & dwMask);
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#ifdef _DEBUG
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if(IsProportional() && IsRightAligned())
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ATLTRACE2(atlTraceUI, 0, "CSplitterImpl::SetSplitterExtendedStyle - SPLIT_PROPORTIONAL and SPLIT_RIGHTALIGNED are mutually exclusive, defaulting to SPLIT_PROPORTIONAL.\n");
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#endif //_DEBUG
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return dwPrevStyle;
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}
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// Splitter operations
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void SetSplitterPanes(HWND hWndLeftTop, HWND hWndRightBottom, bool bUpdate = true)
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{
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m_hWndPane[SPLIT_PANE_LEFT] = hWndLeftTop;
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m_hWndPane[SPLIT_PANE_RIGHT] = hWndRightBottom;
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ATLASSERT(m_hWndPane[SPLIT_PANE_LEFT] == NULL || m_hWndPane[SPLIT_PANE_RIGHT] == NULL || m_hWndPane[SPLIT_PANE_LEFT] != m_hWndPane[SPLIT_PANE_RIGHT]);
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if(bUpdate)
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UpdateSplitterLayout();
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}
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bool SetSplitterPane(int nPane, HWND hWnd, bool bUpdate = true)
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{
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ATLASSERT(nPane == SPLIT_PANE_LEFT || nPane == SPLIT_PANE_RIGHT);
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if(nPane != SPLIT_PANE_LEFT && nPane != SPLIT_PANE_RIGHT)
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return false;
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m_hWndPane[nPane] = hWnd;
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ATLASSERT(m_hWndPane[SPLIT_PANE_LEFT] == NULL || m_hWndPane[SPLIT_PANE_RIGHT] == NULL || m_hWndPane[SPLIT_PANE_LEFT] != m_hWndPane[SPLIT_PANE_RIGHT]);
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if(bUpdate)
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UpdateSplitterLayout();
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return true;
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}
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HWND GetSplitterPane(int nPane) const
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{
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ATLASSERT(nPane == SPLIT_PANE_LEFT || nPane == SPLIT_PANE_RIGHT);
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if(nPane != SPLIT_PANE_LEFT && nPane != SPLIT_PANE_RIGHT)
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return false;
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return m_hWndPane[nPane];
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}
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bool SetActivePane(int nPane)
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{
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ATLASSERT(nPane == SPLIT_PANE_LEFT || nPane == SPLIT_PANE_RIGHT);
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if(nPane != SPLIT_PANE_LEFT && nPane != SPLIT_PANE_RIGHT)
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return false;
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if(m_nSinglePane != SPLIT_PANE_NONE && nPane != m_nSinglePane)
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return false;
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::SetFocus(m_hWndPane[nPane]);
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m_nDefActivePane = nPane;
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return true;
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}
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int GetActivePane() const
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{
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int nRet = SPLIT_PANE_NONE;
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HWND hWndFocus = ::GetFocus();
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if(hWndFocus != NULL)
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{
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for(int nPane = 0; nPane < m_nPanesCount; nPane++)
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{
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if(hWndFocus == m_hWndPane[nPane] || ::IsChild(m_hWndPane[nPane], hWndFocus))
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{
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nRet = nPane;
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break;
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}
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}
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}
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return nRet;
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}
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bool ActivateNextPane(bool bNext = true)
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{
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int nPane = m_nSinglePane;
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if(nPane == SPLIT_PANE_NONE)
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{
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switch(GetActivePane())
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{
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case SPLIT_PANE_LEFT:
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nPane = SPLIT_PANE_RIGHT;
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break;
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case SPLIT_PANE_RIGHT:
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nPane = SPLIT_PANE_LEFT;
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break;
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default:
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nPane = bNext ? SPLIT_PANE_LEFT : SPLIT_PANE_RIGHT;
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break;
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}
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}
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return SetActivePane(nPane);
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}
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bool SetDefaultActivePane(int nPane)
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{
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ATLASSERT(nPane == SPLIT_PANE_LEFT || nPane == SPLIT_PANE_RIGHT);
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if(nPane != SPLIT_PANE_LEFT && nPane != SPLIT_PANE_RIGHT)
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return false;
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m_nDefActivePane = nPane;
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return true;
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}
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bool SetDefaultActivePane(HWND hWnd)
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{
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for(int nPane = 0; nPane < m_nPanesCount; nPane++)
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{
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if(hWnd == m_hWndPane[nPane])
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{
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m_nDefActivePane = nPane;
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return true;
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}
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}
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return false; // not found
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}
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int GetDefaultActivePane() const
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{
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return m_nDefActivePane;
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}
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void DrawSplitter(CDCHandle dc)
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{
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ATLASSERT(dc.m_hDC != NULL);
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if(m_nSinglePane == SPLIT_PANE_NONE && m_xySplitterPos == -1)
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return;
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T* pT = static_cast<T*>(this);
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if(m_nSinglePane == SPLIT_PANE_NONE)
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{
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pT->DrawSplitterBar(dc);
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for(int nPane = 0; nPane < m_nPanesCount; nPane++)
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{
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if(m_hWndPane[nPane] == NULL)
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pT->DrawSplitterPane(dc, nPane);
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}
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}
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else
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{
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if(m_hWndPane[m_nSinglePane] == NULL)
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pT->DrawSplitterPane(dc, m_nSinglePane);
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}
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}
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// Overrideables
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void DrawSplitterBar(CDCHandle dc)
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{
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RECT rect;
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if(GetSplitterBarRect(&rect))
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{
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dc.FillRect(&rect, (HBRUSH)LongToPtr(COLOR_3DFACE + 1));
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if(m_cxyMin == 0) // draw 3D edge if needed
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dc.DrawEdge(&rect, EDGE_RAISED, (t_bVertical) ? (BF_LEFT | BF_RIGHT) : (BF_TOP | BF_BOTTOM));
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}
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}
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// called only if pane is empty
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void DrawSplitterPane(CDCHandle dc, int nPane)
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{
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RECT rect;
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if(GetSplitterPaneRect(nPane, &rect))
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{
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T* pT = static_cast<T*>(this);
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if((pT->GetExStyle() & WS_EX_CLIENTEDGE) == 0)
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dc.DrawEdge(&rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
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dc.FillRect(&rect, (HBRUSH)LongToPtr(COLOR_APPWORKSPACE + 1));
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}
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}
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// Message map and handlers
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typedef CSplitterImpl< T, t_bVertical> thisClass;
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BEGIN_MSG_MAP(thisClass)
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MESSAGE_HANDLER(WM_CREATE, OnCreate)
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MESSAGE_HANDLER(WM_PAINT, OnPaint)
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MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
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if(IsInteractive())
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{
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MESSAGE_HANDLER(WM_SETCURSOR, OnSetCursor)
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MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
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MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
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MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
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MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnLButtonDoubleClick)
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}
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MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
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MESSAGE_HANDLER(WM_MOUSEACTIVATE, OnMouseActivate)
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MESSAGE_HANDLER(WM_SETTINGCHANGE, OnSettingChange)
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END_MSG_MAP()
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LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
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{
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GetSystemSettings(false);
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bHandled = FALSE;
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return 1;
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}
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LRESULT OnPaint(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
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{
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T* pT = static_cast<T*>(this);
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// try setting position if not set
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if(m_nSinglePane == SPLIT_PANE_NONE && m_xySplitterPos == -1)
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pT->SetSplitterPos();
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// do painting
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CPaintDC dc(pT->m_hWnd);
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pT->DrawSplitter(dc.m_hDC);
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return 0;
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}
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LRESULT OnSetCursor(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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T* pT = static_cast<T*>(this);
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if((HWND)wParam == pT->m_hWnd && LOWORD(lParam) == HTCLIENT)
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{
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DWORD dwPos = ::GetMessagePos();
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POINT ptPos = { GET_X_LPARAM(dwPos), GET_Y_LPARAM(dwPos) };
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pT->ScreenToClient(&ptPos);
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if(IsOverSplitterBar(ptPos.x, ptPos.y))
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return 1;
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}
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bHandled = FALSE;
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return 0;
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}
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LRESULT OnMouseMove(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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T* pT = static_cast<T*>(this);
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int xPos = GET_X_LPARAM(lParam);
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int yPos = GET_Y_LPARAM(lParam);
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if((wParam & MK_LBUTTON) && ::GetCapture() == pT->m_hWnd)
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{
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int xyNewSplitPos = 0;
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if(t_bVertical)
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xyNewSplitPos = xPos - m_rcSplitter.left - m_cxyDragOffset;
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else
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xyNewSplitPos = yPos - m_rcSplitter.top - m_cxyDragOffset;
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if(xyNewSplitPos == -1) // avoid -1, that means middle
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xyNewSplitPos = -2;
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if(m_xySplitterPos != xyNewSplitPos)
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{
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if(m_bFullDrag)
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{
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if(pT->SetSplitterPos(xyNewSplitPos, true))
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pT->UpdateWindow();
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}
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else
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{
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DrawGhostBar();
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pT->SetSplitterPos(xyNewSplitPos, false);
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DrawGhostBar();
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}
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}
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}
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else // not dragging, just set cursor
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{
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if(IsOverSplitterBar(xPos, yPos))
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::SetCursor(m_hCursor);
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bHandled = FALSE;
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}
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return 0;
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}
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LRESULT OnLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
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{
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int xPos = GET_X_LPARAM(lParam);
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int yPos = GET_Y_LPARAM(lParam);
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if(IsOverSplitterBar(xPos, yPos))
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{
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T* pT = static_cast<T*>(this);
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pT->SetCapture();
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::SetCursor(m_hCursor);
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if(!m_bFullDrag)
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DrawGhostBar();
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if(t_bVertical)
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m_cxyDragOffset = xPos - m_rcSplitter.left - m_xySplitterPos;
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else
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m_cxyDragOffset = yPos - m_rcSplitter.top - m_xySplitterPos;
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}
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bHandled = FALSE;
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return 1;
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}
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LRESULT OnLButtonUp(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
|
|
{
|
|
if(!m_bFullDrag)
|
|
{
|
|
DrawGhostBar();
|
|
T* pT = static_cast<T*>(this);
|
|
UpdateSplitterLayout();
|
|
pT->UpdateWindow();
|
|
}
|
|
::ReleaseCapture();
|
|
bHandled = FALSE;
|
|
return 1;
|
|
}
|
|
|
|
LRESULT OnLButtonDoubleClick(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
pT->SetSplitterPos(); // middle
|
|
return 0;
|
|
}
|
|
|
|
LRESULT OnSetFocus(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM, BOOL& bHandled)
|
|
{
|
|
if(m_nSinglePane == SPLIT_PANE_NONE)
|
|
{
|
|
if(m_nDefActivePane == SPLIT_PANE_LEFT || m_nDefActivePane == SPLIT_PANE_RIGHT)
|
|
::SetFocus(m_hWndPane[m_nDefActivePane]);
|
|
}
|
|
else
|
|
{
|
|
::SetFocus(m_hWndPane[m_nSinglePane]);
|
|
}
|
|
bHandled = FALSE;
|
|
return 1;
|
|
}
|
|
|
|
LRESULT OnMouseActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
LRESULT lRet = pT->DefWindowProc(uMsg, wParam, lParam);
|
|
if(lRet == MA_ACTIVATE || lRet == MA_ACTIVATEANDEAT)
|
|
{
|
|
DWORD dwPos = ::GetMessagePos();
|
|
POINT pt = { GET_X_LPARAM(dwPos), GET_Y_LPARAM(dwPos) };
|
|
pT->ScreenToClient(&pt);
|
|
RECT rcPane;
|
|
for(int nPane = 0; nPane < m_nPanesCount; nPane++)
|
|
{
|
|
if(GetSplitterPaneRect(nPane, &rcPane) && ::PtInRect(&rcPane, pt))
|
|
{
|
|
m_nDefActivePane = nPane;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return lRet;
|
|
}
|
|
|
|
LRESULT OnSettingChange(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
GetSystemSettings(true);
|
|
return 0;
|
|
}
|
|
|
|
// Implementation - internal helpers
|
|
void UpdateSplitterLayout()
|
|
{
|
|
if(m_nSinglePane == SPLIT_PANE_NONE && m_xySplitterPos == -1)
|
|
return;
|
|
|
|
T* pT = static_cast<T*>(this);
|
|
RECT rect = { 0, 0, 0, 0 };
|
|
if(m_nSinglePane == SPLIT_PANE_NONE)
|
|
{
|
|
if(GetSplitterBarRect(&rect))
|
|
pT->InvalidateRect(&rect);
|
|
|
|
for(int nPane = 0; nPane < m_nPanesCount; nPane++)
|
|
{
|
|
if(GetSplitterPaneRect(nPane, &rect))
|
|
{
|
|
if(m_hWndPane[nPane] != NULL)
|
|
::SetWindowPos(m_hWndPane[nPane], NULL, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, SWP_NOZORDER);
|
|
else
|
|
pT->InvalidateRect(&rect);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(GetSplitterPaneRect(m_nSinglePane, &rect))
|
|
{
|
|
if(m_hWndPane[m_nSinglePane] != NULL)
|
|
::SetWindowPos(m_hWndPane[m_nSinglePane], NULL, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, SWP_NOZORDER);
|
|
else
|
|
pT->InvalidateRect(&rect);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool GetSplitterBarRect(LPRECT lpRect) const
|
|
{
|
|
ATLASSERT(lpRect != NULL);
|
|
if(m_nSinglePane != SPLIT_PANE_NONE || m_xySplitterPos == -1)
|
|
return false;
|
|
|
|
if(t_bVertical)
|
|
{
|
|
lpRect->left = m_rcSplitter.left + m_xySplitterPos;
|
|
lpRect->top = m_rcSplitter.top;
|
|
lpRect->right = m_rcSplitter.left + m_xySplitterPos + m_cxySplitBar + m_cxyBarEdge;
|
|
lpRect->bottom = m_rcSplitter.bottom;
|
|
}
|
|
else
|
|
{
|
|
lpRect->left = m_rcSplitter.left;
|
|
lpRect->top = m_rcSplitter.top + m_xySplitterPos;
|
|
lpRect->right = m_rcSplitter.right;
|
|
lpRect->bottom = m_rcSplitter.top + m_xySplitterPos + m_cxySplitBar + m_cxyBarEdge;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GetSplitterPaneRect(int nPane, LPRECT lpRect) const
|
|
{
|
|
ATLASSERT(nPane == SPLIT_PANE_LEFT || nPane == SPLIT_PANE_RIGHT);
|
|
ATLASSERT(lpRect != NULL);
|
|
bool bRet = true;
|
|
if(m_nSinglePane != SPLIT_PANE_NONE)
|
|
{
|
|
if(nPane == m_nSinglePane)
|
|
*lpRect = m_rcSplitter;
|
|
else
|
|
bRet = false;
|
|
}
|
|
else if(nPane == SPLIT_PANE_LEFT)
|
|
{
|
|
if(t_bVertical)
|
|
{
|
|
lpRect->left = m_rcSplitter.left;
|
|
lpRect->top = m_rcSplitter.top;
|
|
lpRect->right = m_rcSplitter.left + m_xySplitterPos;
|
|
lpRect->bottom = m_rcSplitter.bottom;
|
|
}
|
|
else
|
|
{
|
|
lpRect->left = m_rcSplitter.left;
|
|
lpRect->top = m_rcSplitter.top;
|
|
lpRect->right = m_rcSplitter.right;
|
|
lpRect->bottom = m_rcSplitter.top + m_xySplitterPos;
|
|
}
|
|
}
|
|
else if(nPane == SPLIT_PANE_RIGHT)
|
|
{
|
|
if(t_bVertical)
|
|
{
|
|
lpRect->left = m_rcSplitter.left + m_xySplitterPos + m_cxySplitBar + m_cxyBarEdge;
|
|
lpRect->top = m_rcSplitter.top;
|
|
lpRect->right = m_rcSplitter.right;
|
|
lpRect->bottom = m_rcSplitter.bottom;
|
|
}
|
|
else
|
|
{
|
|
lpRect->left = m_rcSplitter.left;
|
|
lpRect->top = m_rcSplitter.top + m_xySplitterPos + m_cxySplitBar + m_cxyBarEdge;
|
|
lpRect->right = m_rcSplitter.right;
|
|
lpRect->bottom = m_rcSplitter.bottom;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bRet = false;
|
|
}
|
|
return bRet;
|
|
}
|
|
|
|
bool IsOverSplitterRect(int x, int y) const
|
|
{
|
|
// -1 == don't check
|
|
return ((x == -1 || (x >= m_rcSplitter.left && x <= m_rcSplitter.right)) &&
|
|
(y == -1 || (y >= m_rcSplitter.top && y <= m_rcSplitter.bottom)));
|
|
}
|
|
|
|
bool IsOverSplitterBar(int x, int y) const
|
|
{
|
|
if(m_nSinglePane != SPLIT_PANE_NONE)
|
|
return false;
|
|
if(m_xySplitterPos == -1 || !IsOverSplitterRect(x, y))
|
|
return false;
|
|
int xy = (t_bVertical) ? x : y;
|
|
int xyOff = (t_bVertical) ? m_rcSplitter.left : m_rcSplitter.top;
|
|
return ((xy >= (xyOff + m_xySplitterPos)) && (xy < xyOff + m_xySplitterPos + m_cxySplitBar + m_cxyBarEdge));
|
|
}
|
|
|
|
void DrawGhostBar()
|
|
{
|
|
RECT rect = { 0, 0, 0, 0 };
|
|
if(GetSplitterBarRect(&rect))
|
|
{
|
|
// invert the brush pattern (looks just like frame window sizing)
|
|
T* pT = static_cast<T*>(this);
|
|
CWindowDC dc(pT->m_hWnd);
|
|
CBrush brush = CDCHandle::GetHalftoneBrush();
|
|
if(brush.m_hBrush != NULL)
|
|
{
|
|
CBrushHandle brushOld = dc.SelectBrush(brush);
|
|
dc.PatBlt(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, PATINVERT);
|
|
dc.SelectBrush(brushOld);
|
|
}
|
|
}
|
|
}
|
|
|
|
void GetSystemSettings(bool bUpdate)
|
|
{
|
|
m_cxySplitBar = ::GetSystemMetrics(t_bVertical ? SM_CXSIZEFRAME : SM_CYSIZEFRAME);
|
|
|
|
T* pT = static_cast<T*>(this);
|
|
if((pT->GetExStyle() & WS_EX_CLIENTEDGE))
|
|
{
|
|
m_cxyBarEdge = 2 * ::GetSystemMetrics(t_bVertical ? SM_CXEDGE : SM_CYEDGE);
|
|
m_cxyMin = 0;
|
|
}
|
|
else
|
|
{
|
|
m_cxyBarEdge = 0;
|
|
m_cxyMin = 2 * ::GetSystemMetrics(t_bVertical ? SM_CXEDGE : SM_CYEDGE);
|
|
}
|
|
|
|
::SystemParametersInfo(SPI_GETDRAGFULLWINDOWS, 0, &m_bFullDrag, 0);
|
|
|
|
if(bUpdate)
|
|
UpdateSplitterLayout();
|
|
}
|
|
|
|
bool IsProportional() const
|
|
{
|
|
return (m_dwExtendedStyle & SPLIT_PROPORTIONAL) != 0;
|
|
}
|
|
|
|
void StoreProportionalPos()
|
|
{
|
|
int cxyTotal = t_bVertical ? (m_rcSplitter.right - m_rcSplitter.left) : (m_rcSplitter.bottom - m_rcSplitter.top);
|
|
if(cxyTotal > 0)
|
|
m_nProportionalPos = ::MulDiv(m_xySplitterPos, m_nPropMax, cxyTotal);
|
|
else
|
|
m_nProportionalPos = 0;
|
|
}
|
|
|
|
void UpdateProportionalPos()
|
|
{
|
|
int cxyTotal = t_bVertical ? (m_rcSplitter.right - m_rcSplitter.left) : (m_rcSplitter.bottom - m_rcSplitter.top);
|
|
if(cxyTotal > 0)
|
|
{
|
|
int xyNewPos = ::MulDiv(m_nProportionalPos, cxyTotal, m_nPropMax);
|
|
T* pT = static_cast<T*>(this);
|
|
pT->SetSplitterPos(xyNewPos, false);
|
|
}
|
|
}
|
|
|
|
bool IsRightAligned() const
|
|
{
|
|
return (m_dwExtendedStyle & SPLIT_RIGHTALIGNED) != 0;
|
|
}
|
|
|
|
void StoreRightAlignPos()
|
|
{
|
|
int cxyTotal = t_bVertical ? (m_rcSplitter.right - m_rcSplitter.left) : (m_rcSplitter.bottom - m_rcSplitter.top);
|
|
if(cxyTotal > 0)
|
|
m_nProportionalPos = cxyTotal - m_xySplitterPos;
|
|
else
|
|
m_nProportionalPos = 0;
|
|
}
|
|
|
|
void UpdateRightAlignPos()
|
|
{
|
|
int cxyTotal = t_bVertical ? (m_rcSplitter.right - m_rcSplitter.left) : (m_rcSplitter.bottom - m_rcSplitter.top);
|
|
if(cxyTotal > 0)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
pT->SetSplitterPos(cxyTotal - m_nProportionalPos, false);
|
|
}
|
|
}
|
|
|
|
bool IsInteractive() const
|
|
{
|
|
return !(m_dwExtendedStyle & SPLIT_NONINTERACTIVE);
|
|
}
|
|
};
|
|
|
|
template <class T, bool t_bVertical> HCURSOR CSplitterImpl< T, t_bVertical>::m_hCursor = NULL;
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CSplitterWindowImpl - Implements a splitter window
|
|
|
|
template <class T, bool t_bVertical = true, class TBase = CWindow, class TWinTraits = CControlWinTraits>
|
|
class ATL_NO_VTABLE CSplitterWindowImpl : public CWindowImpl< T, TBase, TWinTraits >, public CSplitterImpl< T , t_bVertical >
|
|
{
|
|
public:
|
|
DECLARE_WND_CLASS_EX(NULL, CS_DBLCLKS, COLOR_WINDOW)
|
|
|
|
typedef CSplitterWindowImpl< T , t_bVertical, TBase, TWinTraits > thisClass;
|
|
typedef CSplitterImpl< T , t_bVertical > baseClass;
|
|
BEGIN_MSG_MAP(thisClass)
|
|
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
|
|
MESSAGE_HANDLER(WM_SIZE, OnSize)
|
|
CHAIN_MSG_MAP(baseClass)
|
|
FORWARD_NOTIFICATIONS()
|
|
END_MSG_MAP()
|
|
|
|
LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
|
|
{
|
|
// handled, no background painting needed
|
|
return 1;
|
|
}
|
|
|
|
LRESULT OnSize(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
|
|
{
|
|
if(wParam != SIZE_MINIMIZED)
|
|
SetSplitterRect();
|
|
|
|
bHandled = FALSE;
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CSplitterWindow - Implements a splitter window to be used as is
|
|
|
|
template <bool t_bVertical = true>
|
|
class CSplitterWindowT : public CSplitterWindowImpl<CSplitterWindowT<t_bVertical>, t_bVertical>
|
|
{
|
|
public:
|
|
DECLARE_WND_CLASS_EX(_T("WTL_SplitterWindow"), CS_DBLCLKS, COLOR_WINDOW)
|
|
};
|
|
|
|
typedef CSplitterWindowT<true> CSplitterWindow;
|
|
typedef CSplitterWindowT<false> CHorSplitterWindow;
|
|
|
|
}; //namespace WTL
|
|
|
|
#endif // __ATLSPLIT_H__
|