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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: rowdragpl.h | |
3 | // Purpose: cbRowDragPlugin class header. | |
4 | // Author: Aleksandras Gluchovas | |
5 | // Modified by: | |
6 | // Created: 06/10/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Aleksandras Gluchovas | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef __ROWDRAGPL_G__ | |
13 | #define __ROWDRAGPL_G__ | |
14 | ||
15 | #if defined(__GNUG__) && !defined(__APPLE__) | |
16 | #pragma interface "rowdragpl.h" | |
17 | #endif | |
18 | ||
19 | #include "wx/fl/controlbar.h" | |
20 | ||
21 | /* | |
22 | This plugin adds row-dragging functionality to the pane. | |
23 | It handles mouse movement and pane background-erasing plugin events. | |
24 | The behaviour and appearance resembles drag and drop positioning | |
25 | of the toolbar rows in Netscape Communicator 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 | // Helper for drag and drop. | |
76 | wxBitmap* CaptureDCArea( wxDC& dc, wxRect& area ); | |
77 | ||
78 | // Helper for drag and drop. | |
79 | int GetHRowsCountForPane( cbDockPane* pPane ); | |
80 | ||
81 | // Helper for drag and drop. | |
82 | void SetMouseCapture( bool captureOn ); | |
83 | ||
84 | // Helper for drag and drop. | |
85 | void PrepareForRowDrag(); | |
86 | ||
87 | // Helper for drag and drop. | |
88 | void ShowDraggedRow( int offset ); | |
89 | ||
90 | // Helper for drag and drop. | |
91 | void ShowPaneImage(); | |
92 | ||
93 | // Helper for drag and drop. | |
94 | void FinishOnScreenDraw(); | |
95 | ||
96 | // Helper for drag and drop. | |
97 | void CollapseRow( cbRowInfo* pRow ); | |
98 | ||
99 | // Helper for drag and drop. | |
100 | void ExpandRow( int collapsedIconIdx ); | |
101 | ||
102 | // Helper for drag and drop. | |
103 | void InsertDraggedRowBefore( cbRowInfo* pBeforeRow ); | |
104 | ||
105 | // Helper for drag and drop. | |
106 | bool ItemIsInFocus(); | |
107 | ||
108 | // Helper for drag and drop. | |
109 | void CheckPrevItemInFocus( cbRowInfo* pRow, int iconIdx ); | |
110 | ||
111 | // Helper for drag and drop. | |
112 | void UnhighlightItemInFocus(); | |
113 | ||
114 | // Helper for drag and drop. | |
115 | cbRowInfo* GetFirstRow(); | |
116 | ||
117 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
118 | virtual void DrawTrianUp( wxRect& inRect, wxDC& dc ); | |
119 | ||
120 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
121 | virtual void DrawTrianDown( wxRect& inRect, wxDC& dc ); | |
122 | ||
123 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
124 | virtual void DrawTrianRight( wxRect& inRect, wxDC& dc ); | |
125 | ||
126 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
127 | virtual void Draw3DPattern( wxRect& inRect, wxDC& dc ); | |
128 | ||
129 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
130 | virtual void DrawRombShades( wxPoint& p1, wxPoint& p2, wxPoint& p3, wxPoint& p4, wxDC& dc ); | |
131 | ||
132 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
133 | virtual void DrawOrtoRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush ); | |
134 | ||
135 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
136 | virtual void DrawRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush ); | |
137 | ||
138 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
139 | virtual void Draw3DRect( wxRect& inRect, wxDC& dc, wxBrush& bkBrush ); | |
140 | ||
141 | // Implements 'hard-coded metafile' for Netscape Navigator look. | |
142 | virtual void DrawRectShade( wxRect& inRect, wxDC& dc, | |
143 | int level, wxPen& upperPen, wxPen& lowerPen ); | |
144 | ||
145 | // Helper for drag and drop. | |
146 | virtual void GetRowHintRect( cbRowInfo* pRow, wxRect& rect ); | |
147 | ||
148 | // Helper for drag and drop. | |
149 | virtual void GetCollapsedInconRect( int iconIdx, wxRect& rect ); | |
150 | ||
151 | // Helper for drag and drop. | |
152 | virtual int GetCollapsedIconsPos(); | |
153 | ||
154 | public: | |
155 | ||
156 | // Default constructor. | |
157 | cbRowDragPlugin(); | |
158 | ||
159 | // Constructor, taking paren layout frame and pane mask. | |
160 | cbRowDragPlugin( wxFrameLayout* pLayout, int paneMask = wxALL_PANES ); | |
161 | ||
162 | // Destructor. | |
163 | virtual ~cbRowDragPlugin(); | |
164 | ||
165 | // Clone function, returning a new instance of this class. | |
166 | virtual cbPluginBase* Clone() { return new cbRowDragPlugin(NULL,0); } | |
167 | ||
168 | // Called to initialize this plugin. | |
169 | virtual void OnInitPlugin(); | |
170 | ||
171 | // Handles mouse move plugin events (appearance-independent logic). | |
172 | void OnMouseMove ( cbMotionEvent& event ); | |
173 | ||
174 | // Handles left button down plugin events (appearance-independent logic). | |
175 | void OnLButtonDown( cbLeftDownEvent& event ); | |
176 | ||
177 | // Handles left button up plugin events (appearance-independent logic). | |
178 | void OnLButtonUp ( cbLeftUpEvent& event ); | |
179 | ||
180 | // Handles pane drawing plugin events (appearance-independent logic). | |
181 | void OnDrawPaneBackground( cbDrawPaneDecorEvent& event ); | |
182 | ||
183 | // Draws collapsed row icon (appearance-dependent). | |
184 | virtual void DrawCollapsedRowIcon( int index, wxDC& dc, bool isHighlighted ); | |
185 | ||
186 | // Draws collapsed rows border (appearance-dependent). | |
187 | virtual void DrawCollapsedRowsBorder( wxDC& dc ); | |
188 | ||
189 | // Draws rows drag hints border (appearance-dependent). | |
190 | virtual void DrawRowsDragHintsBorder( wxDC& dc ); | |
191 | ||
192 | // Draws row drag hint (appearance-dependent). | |
193 | virtual void DrawRowDragHint( cbRowInfo* pRow, wxDC& dc, bool isHighlighted ); | |
194 | ||
195 | // Draws empty row (appearance-dependent). | |
196 | virtual void DrawEmptyRow( wxDC& dc, wxRect& rowBounds ); | |
197 | ||
198 | // Gets the collapsed row icon height. | |
199 | virtual int GetCollapsedRowIconHeight(); | |
200 | ||
201 | // Gets the row drag hint width. | |
202 | virtual int GetRowDragHintWidth(); | |
203 | ||
204 | // Sets the pane margins. | |
205 | virtual void SetPaneMargins(); | |
206 | ||
207 | // Test for the collapsed row icon position. | |
208 | virtual bool HitTestCollapsedRowIcon( int iconIdx, const wxPoint& pos ); | |
209 | ||
210 | // Test for the row drag hint position. | |
211 | virtual bool HitTestRowDragHint( cbRowInfo* pRow, const wxPoint& pos ); | |
212 | ||
213 | DECLARE_EVENT_TABLE() | |
214 | }; | |
215 | ||
216 | /* | |
217 | Internal helper class. | |
218 | */ | |
219 | ||
220 | class cbHiddenBarInfo : public wxObject | |
221 | { | |
222 | DECLARE_DYNAMIC_CLASS( cbHiddenBarInfo ) | |
223 | public: | |
224 | cbBarInfo* mpBar; | |
225 | int mRowNo; | |
226 | int mIconNo; | |
227 | int mAlignment; | |
228 | }; | |
229 | ||
230 | #endif /* __ROWDRAGPL_G__ */ | |
231 |