contrib/include/wx/fl/rowdragpl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        No names yet.
   3 // Purpose:     Contrib. demo
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     06/10/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __ROWDRAGPL_G__
  13 #define __ROWDRAGPL_G__
  14
  15 #ifdef __GNUG__
  16     #pragma interface "rowdragpl.h"
  17 #endif
  18
  19 #include "wx/fl/controlbar.h"
  20
  21 /*
  22  * Plugin adds row-dragging fuctionality to the pane.
  23  * Handles mouse/movement and pane-background erasing plugin-events.
  24  * Behaviour and appearence resembles drag & drop posotioning
  25  * of the toolbar-rows int Netscape Comunicator 4.xx.
  26  */
  27
  28 class cbRowDragPlugin : public cbPluginBase
  29 {
  30         DECLARE_DYNAMIC_CLASS( cbRowDragPlugin )
  31 public:
  32         // background colours for the highlighted/unhighlighted icons
  33
  34         wxColour mHightColor;      // light-blue for NC-look
  35         wxColour mLowColor;        // light-gray -/-
  36         wxColour mTrianInnerColor; // blue       -/-
  37         wxPen    mTrianInnerPen;   // black      -/-
  38
  39 protected:
  40         friend class cbRowDragPluginSerializer;
  41
  42         // drag & drop state variables
  43         bool    mDragStarted;
  44         bool    mDecisionMode;
  45         wxPoint mDragOrigin;
  46         int     mCurDragOfs;
  47         bool    mCaptureIsOn;
  48
  49         // saved margins of the pane
  50         int mSvTopMargin;
  51         int mSvBottomMargin;
  52         int mSvLeftMargin;
  53         int mSvRightMargin;
  54
  55         //on-screen drawing state variables
  56         wxBitmap* mpPaneImage;
  57         wxBitmap* mpRowImage;
  58         wxBitmap* mpCombinedImage;
  59
  60         wxScreenDC* mpScrDc;
  61         wxRect    mCombRect;
  62         wxSize    mRowImgDim;
  63         int       mInitialRowOfs;
  64
  65         // NOTE:: if mpRowInFocus is not NULL, then mCollapsedIconInFocus is -1,
  66         //        and v.v. (two different items cannot be in focus at the same time)
  67
  68         cbRowInfo* mpRowInFocus;
  69         int        mCollapsedIconInFocus;
  70
  71         cbDockPane* mpPane; // is set up temorarely, while handling event
  72
  73         wxList      mHiddenBars;
  74
  75         wxBitmap* CaptureDCArea( wxDC& dc, wxRect& area );
  76
  77         // helpers for drag&drop
  78
  79         int GetHRowsCountForPane( cbDockPane* pPane );
  80
  81         void SetMouseCapture( bool captureOn );
  82         void PrepareForRowDrag();
  83         void ShowDraggedRow( int offset );
  84         void ShowPaneImage();
  85         void FinishOnScreenDraw();
  86         void CollapseRow( cbRowInfo* pRow );
  87         void ExpandRow( int collapsedIconIdx );
  88         void InsertDraggedRowBefore( cbRowInfo* pBeforeRow );
  89         bool ItemIsInFocus();
  90         void CheckPrevItemInFocus( cbRowInfo* pRow, int iconIdx );
  91         void UnhiglightItemInFocus();
  92
  93         cbRowInfo* GetFirstRow();
  94
  95         // "hard-coded metafile" for NN-look
  96
  97         virtual void DrawTrianUp( wxRect& inRect, wxDC& dc );
  98         virtual void DrawTrianDown( wxRect& inRect, wxDC& dc );
  99         virtual void DrawTrianRight( wxRect& inRect, wxDC& dc );
 100         virtual void Draw3DPattern( wxRect& inRect, wxDC& dc );
 101         virtual void DrawRombShades( wxPoint& p1, wxPoint& p2, wxPoint& p3, wxPoint& p4, wxDC& dc );
 102         virtual void DrawOrtoRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
 103         virtual void DrawRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
 104         virtual void Draw3DRect( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
 105         virtual void DrawRectShade( wxRect& inRect, wxDC& dc,
 106                                                                 int level, wxPen& upperPen, wxPen& lowerPen );
 107
 108         virtual void GetRowHintRect( cbRowInfo* pRow, wxRect& rect );
 109         virtual void GetCollapsedInconRect( int iconIdx, wxRect& rect );
 110
 111         virtual int  GetCollapsedIconsPos();
 112
 113 public:
 114
 115         cbRowDragPlugin(void);
 116
 117         cbRowDragPlugin( wxFrameLayout* pLayout, int paneMask = wxALL_PANES );
 118         virtual ~cbRowDragPlugin();
 119
 120         virtual cbPluginBase* Clone() { return new cbRowDragPlugin(NULL,0); }
 121
 122         virtual void OnInitPlugin();
 123
 124         // handlers for plugin events (appearence-independent logic)
 125
 126         void OnMouseMove  ( cbMotionEvent& event );
 127         void OnLButtonDown( cbLeftDownEvent& event );
 128         void OnLButtonUp  ( cbLeftUpEvent& event );
 129         void OnDrawPaneBackground( cbDrawPaneDecorEvent& event );
 130
 131         // overridables (appearence-depedent)
 132
 133         virtual void DrawCollapsedRowIcon( int index, wxDC& dc, bool isHighlighted );
 134         virtual void DrawCollapsedRowsBorder( wxDC& dc );
 135         virtual void DrawRowsDragHintsBorder( wxDC& dc );
 136         virtual void DrawRowDragHint( cbRowInfo* pRow, wxDC& dc, bool isHighlighted );
 137         virtual void DrawEmptyRow( wxDC& dc, wxRect& rowBounds );
 138
 139         virtual int GetCollapsedRowIconHeight();
 140         virtual int GetRowDragHintWidth();
 141
 142         virtual void SetPaneMargins();
 143
 144
 145         virtual bool HitTestCollapsedRowIcon( int iconIdx, const wxPoint& pos );
 146         virtual bool HitTestRowDragHint( cbRowInfo* pRow, const wxPoint& pos );
 147
 148         DECLARE_EVENT_TABLE()
 149 };
 150
 151 // internal helper-class
 152
 153 class cbHiddenBarInfo : public wxObject
 154 {
 155         DECLARE_DYNAMIC_CLASS( cbHiddenBarInfo )
 156 public:
 157         cbBarInfo* mpBar;
 158         int        mRowNo;
 159         int        mIconNo;
 160         int        mAlignment;
 161 };
 162
 163 #endif /* __ROWDRAGPL_G__ */
 164