67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
#include "stdafx.h"
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#include "shsSCBDockContext.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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#ifdef _SCB_REPLACE_MINIFRAME
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#ifndef _SCB_MINIFRAME_CAPTION
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static void AdjustRectangle(CRect& rect, CPoint pt)
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{
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int nXOffset = (pt.x < rect.left) ? (pt.x - rect.left) :
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(pt.x > rect.right) ? (pt.x - rect.right) : 0;
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int nYOffset = (pt.y < rect.top) ? (pt.y - rect.top) :
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(pt.y > rect.bottom) ? (pt.y - rect.bottom) : 0;
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rect.OffsetRect(nXOffset, nYOffset);
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}
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void CHYSCBDockContext::StartDrag(CPoint pt)
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{
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ASSERT_VALID(m_pBar);
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m_bDragging = TRUE;
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InitLoop();
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ASSERT((m_pBar->m_dwStyle & CBRS_SIZE_DYNAMIC) != 0);
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// 得到真正的bar尺寸 (包括边界)
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CRect rect;
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m_pBar->GetWindowRect(rect);
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m_ptLast = pt;
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CSize sizeHorz = m_pBar->CalcDynamicLayout(0, LM_HORZ | LM_HORZDOCK);
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CSize sizeVert = m_pBar->CalcDynamicLayout(0, LM_VERTDOCK);
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CSize sizeFloat = m_pBar->CalcDynamicLayout(0, LM_HORZ | LM_MRUWIDTH);
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m_rectDragHorz = CRect(rect.TopLeft(), sizeHorz);
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m_rectDragVert = CRect(rect.TopLeft(), sizeVert);
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// 计算Frame拖动的长方形
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m_rectFrameDragHorz = CRect(rect.TopLeft(), sizeFloat);
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#ifdef _MAC
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CMiniFrameWnd::CalcBorders(&m_rectFrameDragHorz,WS_THICKFRAME, WS_EX_FORCESIZEBOX);
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#else
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CMiniFrameWnd::CalcBorders(&m_rectFrameDragHorz, WS_THICKFRAME);
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#endif
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m_rectFrameDragHorz.DeflateRect(2, 2);
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m_rectFrameDragVert = m_rectFrameDragHorz;
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// 调整长方形使点在其之内
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AdjustRectangle(m_rectDragHorz, pt);
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AdjustRectangle(m_rectDragVert, pt);
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AdjustRectangle(m_rectFrameDragHorz, pt);
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AdjustRectangle(m_rectFrameDragVert, pt);
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// initialize tracking state and enter tracking loop
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m_dwOverDockStyle = CanDock();
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Move(pt); // call it here to handle special keys
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Track();
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}
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#endif //_SCB_MINIFRAME_CAPTION
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#endif //_SCB_REPLACE_MINIFRAME
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