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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 | #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 |