145 lines
3.7 KiB
C++
145 lines
3.7 KiB
C++
// SplitWnd.cpp : implementation file
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//
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#include "stdafx.h"
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#include "SplitterWndEx.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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// HitTest return values (values and spacing between values is important)
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// Had to adopt this because it has module scope
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enum HitTestValue
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{
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noHit = 0,
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vSplitterBox = 1,
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hSplitterBox = 2,
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bothSplitterBox = 3, // just for keyboard
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vSplitterBar1 = 101,
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vSplitterBar15 = 115,
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hSplitterBar1 = 201,
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hSplitterBar15 = 215,
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splitterIntersection1 = 301,
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splitterIntersection225 = 525
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};
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/////////////////////////////////////////////////////////////////////////////
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// CSplitterWndEx
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BEGIN_MESSAGE_MAP(CSplitterWndEx, CSplitterWnd)
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//{{AFX_MSG_MAP(CSplitterWndEx)
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// NOTE - the ClassWizard will add and remove mapping macros here.
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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CWnd* CSplitterWndEx::GetActivePane(int* pRow, int* pCol)
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{
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ASSERT_VALID(this);
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CWnd* pView = GetFocus();
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// make sure the pane is a child pane of the splitter
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if (pView != NULL && !IsChildPane(pView, pRow, pCol))
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{
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pView = NULL;
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}
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return pView;
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}
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void CSplitterWndEx::SetActivePane( int row, int col, CWnd* pWnd)
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{
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// set the focus to the pane
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CWnd* pPane = pWnd == NULL ? GetPane(row, col) : pWnd;
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pPane->SetFocus();
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}
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void CSplitterWndEx::StartTracking(int ht)
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{
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ASSERT_VALID(this);
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if (ht == noHit)
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{
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return;
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}
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// GetHitRect will restrict 'm_rectLimit' as appropriate
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GetInsideRect(m_rectLimit);
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if (ht >= splitterIntersection1 && ht <= splitterIntersection225)
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{
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// split two directions (two tracking rectangles)
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int row = (ht - splitterIntersection1) / 15;
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int col = (ht - splitterIntersection1) % 15;
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GetHitRect(row + vSplitterBar1, m_rectTracker);
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int yTrackOffset = m_ptTrackOffset.y;
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m_bTracking2 = TRUE;
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GetHitRect(col + hSplitterBar1, m_rectTracker2);
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m_ptTrackOffset.y = yTrackOffset;
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}
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else if (ht == bothSplitterBox)
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{
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// hit on splitter boxes (for keyboard)
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GetHitRect(vSplitterBox, m_rectTracker);
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int yTrackOffset = m_ptTrackOffset.y;
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m_bTracking2 = TRUE;
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GetHitRect(hSplitterBox, m_rectTracker2);
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m_ptTrackOffset.y = yTrackOffset;
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// center it
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m_rectTracker.OffsetRect(0, m_rectLimit.Height()/2);
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m_rectTracker2.OffsetRect(m_rectLimit.Width()/2, 0);
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}
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else
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{
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// only hit one bar
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GetHitRect(ht, m_rectTracker);
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}
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// steal focus and capture
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SetCapture();
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SetFocus();
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// make sure no updates are pending
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RedrawWindow(NULL, NULL, RDW_ALLCHILDREN | RDW_UPDATENOW);
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// set tracking state and appropriate cursor
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m_bTracking = TRUE;
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OnInvertTracker(m_rectTracker);
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if (m_bTracking2)
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{
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OnInvertTracker(m_rectTracker2);
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}
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m_htTrack = ht;
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SetSplitCursor(ht);
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}
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/////////////////////////////////////////////////////////////////////////////
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// CSplitterWnd command routing
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BOOL CSplitterWndEx::OnCommand(WPARAM wParam, LPARAM lParam)
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{
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if (CWnd::OnCommand(wParam, lParam))
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{
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return TRUE;
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}
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// route commands to the splitter to the parent frame window
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return (BOOL) GetParent()->SendMessage(WM_COMMAND, wParam, lParam);
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}
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BOOL CSplitterWndEx::OnNotify( WPARAM wParam, LPARAM lParam, LRESULT* pResult )
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{
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if (CWnd::OnNotify(wParam, lParam, pResult))
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{
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return TRUE;
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}
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// route commands to the splitter to the parent frame window
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*pResult = GetParent()->SendMessage(WM_NOTIFY, wParam, lParam);
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return TRUE;
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}
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BOOL CSplitterWndEx::OnWndMsg(UINT message, WPARAM wParam, LPARAM lParam, LRESULT* pResult)
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{
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// The code line below is necessary if using CSplitterWndEx in a regular dll
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// AFX_MANAGE_STATE(AfxGetStaticModuleState());
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return CWnd::OnWndMsg(message, wParam, lParam, pResult);
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}
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