| 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 | #include "controlbar.h" |
| 16 | |
| 17 | /* |
| 18 | * Plugin adds row-dragging fuctionality to the pane. |
| 19 | * Handles mouse/movement and pane-background erasing plugin-events. |
| 20 | * Behaviour and appearence resembles drag & drop posotioning |
| 21 | * of the toolbar-rows int Netscape Comunicator 4.xx. |
| 22 | */ |
| 23 | |
| 24 | class cbRowDragPlugin : public cbPluginBase |
| 25 | { |
| 26 | DECLARE_DYNAMIC_CLASS( cbRowDragPlugin ) |
| 27 | public: |
| 28 | // background colours for the highlighted/unhighlighted icons |
| 29 | |
| 30 | wxColour mHightColor; // light-blue for NC-look |
| 31 | wxColour mLowColor; // light-gray -/- |
| 32 | wxColour mTrianInnerColor; // blue -/- |
| 33 | wxPen mTrianInnerPen; // black -/- |
| 34 | |
| 35 | protected: |
| 36 | friend class cbRowDragPluginSerializer; |
| 37 | |
| 38 | // drag & drop state variables |
| 39 | bool mDragStarted; |
| 40 | bool mDecisionMode; |
| 41 | wxPoint mDragOrigin; |
| 42 | int mCurDragOfs; |
| 43 | bool mCaptureIsOn; |
| 44 | |
| 45 | // saved margins of the pane |
| 46 | int mSvTopMargin; |
| 47 | int mSvBottomMargin; |
| 48 | int mSvLeftMargin; |
| 49 | int mSvRightMargin; |
| 50 | |
| 51 | //on-screen drawing state variables |
| 52 | wxBitmap* mpPaneImage; |
| 53 | wxBitmap* mpRowImage; |
| 54 | wxBitmap* mpCombinedImage; |
| 55 | |
| 56 | wxScreenDC* mpScrDc; |
| 57 | wxRect mCombRect; |
| 58 | wxSize mRowImgDim; |
| 59 | int mInitalRowOfs; |
| 60 | |
| 61 | // NOTE:: if mpRowInFocus is not NULL, then mCollapsedIconInFocus is -1, |
| 62 | // and v.v. (two different items cannot be in focus at the same time) |
| 63 | |
| 64 | cbRowInfo* mpRowInFocus; |
| 65 | int mCollapsedIconInFocus; |
| 66 | |
| 67 | cbDockPane* mpPane; // is set up temorarely, while handling event |
| 68 | |
| 69 | wxList mHiddenBars; |
| 70 | |
| 71 | wxBitmap* CaptureDCArea( wxDC& dc, wxRect& area ); |
| 72 | |
| 73 | // helpers for drag&drop |
| 74 | |
| 75 | int GetHRowsCountForPane( cbDockPane* pPane ); |
| 76 | |
| 77 | void SetMouseCapture( bool captureOn ); |
| 78 | void PrepareForRowDrag(); |
| 79 | void ShowDraggedRow( int offset ); |
| 80 | void ShowPaneImage(); |
| 81 | void FinishOnScreenDraw(); |
| 82 | void CollapseRow( cbRowInfo* pRow ); |
| 83 | void ExpandRow( int collapsedIconIdx ); |
| 84 | void InsertDraggedRowBefore( cbRowInfo* pBeforeRow ); |
| 85 | bool ItemIsInFocus(); |
| 86 | void CheckPrevItemInFocus( cbRowInfo* pRow, int iconIdx ); |
| 87 | void UnhiglightItemInFocus(); |
| 88 | |
| 89 | cbRowInfo* GetFirstRow(); |
| 90 | |
| 91 | // "hard-coded metafile" for NN-look |
| 92 | |
| 93 | virtual void DrawTrianUp( wxRect& inRect, wxDC& dc ); |
| 94 | virtual void DrawTrianDown( wxRect& inRect, wxDC& dc ); |
| 95 | virtual void DrawTrianRight( wxRect& inRect, wxDC& dc ); |
| 96 | virtual void Draw3DPattern( wxRect& inRect, wxDC& dc ); |
| 97 | virtual void DrawRombShades( wxPoint& p1, wxPoint& p2, wxPoint& p3, wxPoint& p4, wxDC& dc ); |
| 98 | virtual void DrawOrtoRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush ); |
| 99 | virtual void DrawRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush ); |
| 100 | virtual void Draw3DRect( wxRect& inRect, wxDC& dc, wxBrush& bkBrush ); |
| 101 | virtual void DrawRectShade( wxRect& inRect, wxDC& dc, |
| 102 | int level, wxPen& upperPen, wxPen& lowerPen ); |
| 103 | |
| 104 | virtual void GetRowHintRect( cbRowInfo* pRow, wxRect& rect ); |
| 105 | virtual void GetCollapsedInconRect( int iconIdx, wxRect& rect ); |
| 106 | |
| 107 | virtual int GetCollapsedIconsPos(); |
| 108 | |
| 109 | public: |
| 110 | |
| 111 | cbRowDragPlugin(void); |
| 112 | |
| 113 | cbRowDragPlugin( wxFrameLayout* pLayout, int paneMask = wxALL_PANES ); |
| 114 | virtual ~cbRowDragPlugin(); |
| 115 | |
| 116 | virtual cbPluginBase* Clone() { return new cbRowDragPlugin(NULL,0); } |
| 117 | |
| 118 | virtual void OnInitPlugin(); |
| 119 | |
| 120 | // handlers for plugin events (appearence-independent logic) |
| 121 | |
| 122 | void OnMouseMove ( cbMotionEvent& event ); |
| 123 | void OnLButtonDown( cbLeftDownEvent& event ); |
| 124 | void OnLButtonUp ( cbLeftUpEvent& event ); |
| 125 | void OnDrawPaneBackground( cbDrawPaneDecorEvent& event ); |
| 126 | |
| 127 | // overridables (appearence-depedent) |
| 128 | |
| 129 | virtual void DrawCollapsedRowIcon( int index, wxDC& dc, bool isHighlighted ); |
| 130 | virtual void DrawCollapsedRowsBorder( wxDC& dc ); |
| 131 | virtual void DrawRowsDragHintsBorder( wxDC& dc ); |
| 132 | virtual void DrawRowDragHint( cbRowInfo* pRow, wxDC& dc, bool isHighlighted ); |
| 133 | virtual void DrawEmptyRow( wxDC& dc, wxRect& rowBounds ); |
| 134 | |
| 135 | virtual int GetCollapsedRowIconHeight(); |
| 136 | virtual int GetRowDragHintWidth(); |
| 137 | |
| 138 | virtual void SetPaneMargins(); |
| 139 | |
| 140 | |
| 141 | virtual bool HitTestCollapsedRowIcon( int iconIdx, const wxPoint& pos ); |
| 142 | virtual bool HitTestRowDragHint( cbRowInfo* pRow, const wxPoint& pos ); |
| 143 | |
| 144 | DECLARE_EVENT_TABLE() |
| 145 | }; |
| 146 | |
| 147 | // internal helper-class |
| 148 | |
| 149 | class cbHiddenBarInfo : public wxObject |
| 150 | { |
| 151 | DECLARE_DYNAMIC_CLASS( cbHiddenBarInfo ) |
| 152 | public: |
| 153 | cbBarInfo* mpBar; |
| 154 | int mRowNo; |
| 155 | int mIconNo; |
| 156 | int mAlignment; |
| 157 | }; |
| 158 | |
| 159 | #endif |