SRGScrollView Class
class SRGScrollView: public CScrollView
This class provides a CScrollView-based alternative to the SRGraphView class.Defined in: SRGScrollView.h
Class Members
Constructor
BOOL m_bDragable
Flag which specifies whether data may be dragged
virtual void MouseDrag(int nFlags,CPoint point)
Called when items are being dragged
virtual void DrawSelection(CPoint point)
Draws the mouse selection rectangle
virtual void GraphZoomout(BOOL bAlltheWay)
Helper function that implements the ZoomOut and ZoomOutAll features
virtual void OnDraw(CDC* pDC)
The draw function -- overridden to draw this view
virtual BOOL PreCreateWindow(CREATESTRUCT& cs)
Standard window pre-creation
virtual void OnPrepareDC(CDC* pDC, CPrintInfo* pInfo = NULL)
Standard CView overridable -- sets the chart scroll sizes
virtual void OnPrepareDC(CDC* pDC, CPrintInfo* pInfo = NULL)
Sets window to viewport mapping
virtual BOOL OnPreparePrinting(CPrintInfo* pInfo)
Standard CView overridable
virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo)
Standard CView overridable -- sets up print pagination
virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo)
Standard CView overridable
CObStack m_ZoomStack
A FILO stack for the zoom levels
BOOL m_bZoomable
Flag to define the charts ability to be zoomed -- TRUE enables zooming
SRGraphTip m_GraphTip
The one and only GraphTip window
BOOL m_bSelecting
When TRUE the chart is being selected with a selecting rectangle or other shape
BOOL m_bDragging
When TRUE chart data is being dragged
BOOL m_bInFeedback
When TRUE the mouse is in a feedback area
BOOL m_bShowingTip
When TRUE the chart tip is being displayed
BOOL m_bZoomed
When TRUE the chart is zoomed in
SRGraphComponent* m_pZoomedDisplay
Points to the display item currently being zoomed
When TRUE the mouse timer is running
BOOL m_bUseMaxArea
When TRUE the max area of the chart is set explicitly during printing and print preview
int m_nValign
Vertical alignment code for print pagination
int m_nHalign
Horizontal alignment code for print pagination
int m_nPageSizeCode
Code for selected page sizes
int m_nPrintUnit
Unit for dimensions in PageSetup2 dialog: 0-cm, 1-inch
double m_dXOffset
Horizontal margin for printing
double m_dYOffset
Vertical margin for printing
double m_dXSize
Horizontal chart size for printing
double m_dYSize
Vertical chart size for printing
int m_nPageCountY
Number of pages required to print chart in vertical direction - internal
int m_nDragGroup
Group in which the dragged item is stored
int m_nDragIndex
Index of the item being dragged
Record of the un-zoomed scope -- min group
Record of the un-zoomed scope -- max group
Record of the un-zoomed scope -- min index
Record of the un-zoomed scope -- max index
CPoint m_SelectionPointA
First selection point on screen -- used for drawing the selection area
CPoint m_SelectionPointB
Second selection point on screen -- used for drawing the selection area
CPoint m_MousePoint
Current mouse position
SEC_UINT m_TimerIdent
Timer identifier
SRGDisplayBase * m_pDragDisplay
Pointer to store the graph component
virtual void DrawToBitmap(CDC* pDC, CBitmap& bmp)
Render the chart into the passed bitmap
virtual void SetHasDocument(BOOL v)
Sets the semaphore that signfies that this view has a document (true) or does not (false)
virtual BOOL GetHasDocument()
Returns TRUE if this view has a document or FALSE if it does not
virtual void SetDragTips(BOOL v)
Turns drag-tips on (TRUE) or off (FALSE)
virtual BOOL GetDragTips()
Returns the drag-tips flag. If this is TRUE then drag-tips are enabled. Otherwise FALSE.
virtual void SetDragable(BOOL v)
Sets or resets the dragable flag
virtual BOOL GetDragable()
Returns the dragable flag
virtual void SetZoomable(BOOL v)
Sets the flag signifying whether this chart is able to zoom
virtual BOOL GetZoomable()
Gets the zoom enable flag
virtual void DrawCustomSelection(CPoint point)
Override to draw the custom selection shape for your own chart type
virtual void ShowFeedback(SRGraphFeedback *pFeedback)
Displays the feedback with a chart tip -- override to add your own text formatting
inline void SetUseMaxArea(BOOL b)
Enables or disables the use of the maximum size rectangle
virtual ~SRGScrollView()
Destructor
virtual void AssertValid() const
Standard debug code
virtual void Dump(CDumpContext& dc) const
Standard debug code
BOOL m_bHasDocument
Semaphore to flag the existence of document class
BOOL m_bDragTips
semaphore for the draging tips
CPalette m_Palette
Color palette
DWORD m_dwOldAlignment
Retains the old alignment codes during printing
CRect m_OldAreaRect
Retains the old alignment rectangle during printing
BOOL m_bPreserveArea
Set TRUE if the area should be restored after printing
virtual SRGraphPosition * GetPosition(SRGraph *pGraph, CPoint point)
Creates and returns an SRGraphPosition object filled with data about the chart item under the specified point
virtual SRGraph* GetGraph()
Returns a pointer to the graph object
afx_msg BOOL OnEraseBkgnd(CDC* pDC)
Overridden to do nothing
afx_msg void OnLButtonDown(UINT nFlags, CPoint point)
Begins the selection or dragging process
afx_msg void OnLButtonUp(UINT nFlags, CPoint point)
Ends the selection or dragging process
afx_msg void OnMouseMove(UINT nFlags, CPoint point)
Handles the selection or dragging of data items
afx_msg void OnTimer(SEC_UINT nIDEvent)
Handles the chart-tip timing and display
afx_msg void OnEditCopy()
Copies the screen bitmap to the clipboard for pasting into another application
afx_msg void OnGraphZoomout()
Returns zoomed graph to previous size
afx_msg void OnUpdateGraphZoomout(CCmdUI* pCmdUI)
Activates or deactivates the zoom out button and menu items
afx_msg void OnGraphZoomoutAll()
Returns zoomed graph to normal, unzoomed state
afx_msg void OnUpdateGraphZoomoutAll(CCmdUI* pCmdUI)
Activates or deactivates the Zoom Out All button and menu items
afx_msg void OnGraphPagesetup()
Displays the print pagination setup dialog
afx_msg void OnGraphEdit()
Handles the GraphEdit command
afx_msg int OnCreate( LPCREATESTRUCT lpCreateStruct )
Creation initialization -- creates a color palette if required
afx_msg BOOL OnQueryNewPalette()
Palette management
afx_msg void OnPaletteChanged(CWnd* pFocusWnd)
Palette management
afx_msg void OnGraphWizard()
Message handler for the Graph Wizard menu item
afx_msg void OnSaveAsDib()
Message handler for the Save As DIB menu item
afx_msg void OnSaveAsJpeg()
Message handler for the Save As JPEG menu item
