-//////////////////////////////////////////////////////////////////////
/**
* @file LocationView.h
*
* @brief Declaration of CLocationView class
*/
-//
-//////////////////////////////////////////////////////////////////////
-#ifndef __LOCATIONVIEW_H__
-#define __LOCATIONVIEW_H__
+#pragma once
+#include <vector>
+#include <memory>
-/**
- * @brief Status for display moved block
- */
-enum DISPLAY_MOVED_BLOCKS
-{
- DISPLAY_MOVED_NONE = 0,
- DISPLAY_MOVED_ALL,
- DISPLAY_MOVED_FOLLOW_DIFF,
-};
+class CMergeDoc;
+class CMergeEditView;
/**
* @brief Endpoints of line connecting moved blocks
*/
struct MovedLine
{
- CPoint ptLeft;
- CPoint ptRight;
+ int apparent0;
+ int apparent1;
+ int blockHeight;
+ CPoint ptLeftUpper;
+ CPoint ptLeftLower;
+ CPoint ptRightUpper;
+ CPoint ptRightLower;
+ bool currentDiff;
};
typedef CList<MovedLine, MovedLine&> MOVEDLINE_LIST;
+/**
+ * @brief A struct mapping difference lines to pixels in location pane.
+ * This structure maps one difference's line numbers to pixel locations in
+ * the location pane. The line numbers are "fixed" i.e. they are converted to
+ * word-wrapped absolute line numbers if needed.
+ */
+struct DiffBlock
+{
+ unsigned top_line; /**< First line of the difference. */
+ unsigned bottom_line; /**< Last line of the difference. */
+ unsigned top_coord; /**< X-coord of diff block begin. */
+ unsigned bottom_coord; /**< X-coord of diff block end. */
+ unsigned diff_index; /**< Index of difference in the original diff list. */
+ int op;
+};
+
/**
* @brief Class showing map of files.
+ * The location is a view showing two vertical bars. Each bar depicts one file
+ * in the file compare. The bars show a scaled view of the files. The
+ * difference areas are drawn with the same colors than in actual file compare.
+ * Also visible area of files is drawn as "shaded".
+ *
+ * These visualizations allow user to easily see a overall picture of the files
+ * in comparison. Using mouse it allows easy and fast moving in files.
*/
class CLocationView : public CView
{
public:
CLocationView();
+ ~CLocationView();
DECLARE_DYNCREATE(CLocationView)
- void SetConnectMovedBlocks(int displayMovedBlocks);
+ void SetConnectMovedBlocks(bool displayMovedBlocks);
void UpdateVisiblePos(int nTopLine = -1, int nBottomLine = -1);
+ void SetFrameHwnd(HWND hwndFrame);
+ void ForceRecalculate();
protected:
// Overrides
// ClassWizard generated virtual function overrides
- //{{AFX_VIRTUAL(CMergeDiffDetailView)
+ //{{AFX_VIRTUAL(CLocationView)
public:
- virtual void OnUpdate( CView* pSender, LPARAM lHint, CObject* pHint);
+ virtual void OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint);
virtual void OnDraw(CDC* pDC);
- afx_msg void OnClose();
//}}AFX_VIRTUAL
- CMergeDoc* GetDocument();
-
protected:
- // Return end of block (diff/non-diff)
- BOOL GetNextRect(int &nLineIndex);
- void DrawRect(CDC* pDC, const CRect& r, COLORREF cr, BOOL border = FALSE);
- BOOL GotoLocation(CPoint point, BOOL bRealLine = TRUE);
- int GetLineFromYPos(int nYCoord, CRect rc, int bar, BOOL bRealLine = TRUE);
- int IsInsideBar(CRect rc, POINT pt);
- void DrawVisibleAreaRect(int nTopLine = -1, int nBottomLine = -1);
- void DrawConnectLines();
+ CMergeDoc* GetDocument();
+ void DrawRect(CDC* pDC, const CRect& r, COLORREF cr, bool bSelected = false);
+ bool GotoLocation(const CPoint& point, bool bRealLine = true, bool bMoveAnchor = true);
+ int GetLineFromYPos(int nYCoord, int bar, bool bRealLine = true);
+ int IsInsideBar(const CRect& rc, const POINT& pt);
+ void DrawVisibleAreaRect(CDC* pDC, int nTopLine = -1, int nBottomLine = -1);
+ void DrawConnectLines(CDC* pDC);
+ void DrawDiffMarker(CDC* pDC, int yCoord);
+ void CalculateBars();
+ void CalculateBlocks();
+ void CalculateBlocksPixel(int nBlockStart, int nBlockEnd, int nBlockLength,
+ int &nBeginY, int &nEndY);
+ COLORREF GetBackgroundColor();
+ void DrawBackground(CDC* pDC);
private:
- CMergeEditView* m_view[2];
- int m_displayMovedBlocks;
+ bool m_displayMovedBlocks; //*< Setting for displaying moved blocks */
double m_pixInLines; //*< How many pixels is one line in bars */
- UINT m_nLeftBarLeft; //*< Left edge of left-side bar */
- UINT m_nLeftBarRight; //*< Right edge of left-side bar */
- UINT m_nRightBarLeft; //*< Left edge of right-side bar */
- UINT m_nRightBarRight; //*< Right edge of right-side bar */
+ double m_lineInPix; //*< How many lines is one pixel?
+ CRect m_bar[3]; //*< Left/middle/riggt bar */
int m_visibleTop; //*< Top visible line for visible area indicator */
int m_visibleBottom; //*< Bottom visible line for visible area indicator */
+ int m_nSubLineCount[3]; //*< Cached subline count */
MOVEDLINE_LIST m_movedLines; //*< List of moved block connecting lines */
- bool m_bIgnoreTrivials; //*< Whether to paint trivial blocks */
+ HWND m_hwndFrame; //*< Frame window handle */
+ std::unique_ptr<CBitmap> m_pSavedBackgroundBitmap; //*< Saved background */
+ bool m_bDrawn; //*< Is already drawn in location pane? */
+ std::vector<DiffBlock> m_diffBlocks; //*< List of pre-calculated diff blocks.
+ bool m_bRecalculateBlocks; //*< Recalculate diff blocks in next repaint.
+ CSize m_currentSize; //*< Current size of the panel.
// Generated message map functions
protected:
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
+ afx_msg int OnMouseActivate(CWnd* pDesktopWnd, UINT nHitTest, UINT message);
+ afx_msg BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint pt);
afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
afx_msg void OnContextMenu(CWnd* pWnd, CPoint point);
+ afx_msg void OnClose();
+ afx_msg void OnVScroll (UINT nSBCode, UINT nPos, CScrollBar * pScrollBar);
+ afx_msg void OnSize(UINT nType, int cx, int cy);
+ afx_msg BOOL OnEraseBkgnd(CDC* pDC);
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
#ifndef _DEBUG // debug version in DiffView.cpp
inline CMergeDoc* CLocationView::GetDocument()
- { return (CMergeDoc*)m_pDocument; }
+ { return reinterpret_cast<CMergeDoc*>(m_pDocument); }
#endif
-/////////////////////////////////////////////////////////////////////////////
-
-//{{AFX_INSERT_LOCATION}}
-// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
-
+/**
+ * @brief Stores HWND of frame window (CMergeEditFrame).
+ */
+inline void CLocationView::SetFrameHwnd(HWND hwndFrame)
+{
+ m_hwndFrame = hwndFrame;
+}
-#endif //__LOCATIONVIEW_H__
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