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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 |