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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: bardragpl.h
3 // Purpose: cbBarDragPlugin class
4 // Author: Aleksandras Gluchovas
5 // Modified by:
6 // Created: 23/09/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Aleksandras Gluchovas
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef __BARDRAGPL_G__
13 #define __BARDRAGPL_G__
14
15 #if defined(__GNUG__) && !defined(__APPLE__)
16 #pragma interface "bardragpl.h"
17 #endif
18
19 #include "wx/fl/controlbar.h"
20 #include "wx/fl/toolwnd.h"
21
22 /*
23 Plugin class implementing bar dragging.
24 */
25
26 class WXFL_DECLSPEC cbBarDragPlugin : public cbPluginBase
27 {
28 DECLARE_DYNAMIC_CLASS( cbBarDragPlugin )
29 protected:
30
31 // plugin is active only in bar-dragging state
32 bool mBarDragStarted;
33 bool mCanStick; // flag used to prevent "bouncing" of hint-rectangle
34 wxScreenDC* mpScrDc; // created while tracking hint-rect
35 wxCursor* mpCurCursor;
36
37 // rectangle shows the position/dimensions of the bar,
38 // if it would be docked now
39
40 wxRect mPrevHintRect;
41 wxRect mHintRect;
42
43
44 int mMouseInRectX;
45 int mMouseInRectY;
46
47 cbDockPane* mpSrcPane; // pane, from which the bar was originally taken
48 int mBarWidthInSrcPane;
49
50 cbDockPane* mpCurPane;
51
52 cbBarInfo* mpDraggedBar; // bar, which is being dragged
53 bool mBarWasFloating;
54 wxRect mFloatedBarBounds;
55
56 public: /*** public properties ***/
57
58 int mInClientHintBorder; // when hint-rect moves within client window area,
59 // the thicker rectangle is drawn using hatched brush,
60 // the default border width for this rectangle is 8 pix.
61
62 protected:
63
64 // Internal implementation function.
65 void AdjustHintRect( wxPoint& mousePos );
66
67 // Internal implementation function.
68 void ClipRectInFrame( wxRect& rect );
69
70 // Internal implementation function.
71 void ClipPosInFrame( wxPoint& pos );
72
73 // Internal implementation function. Finds the pane
74 // under the specified rectangle.
75 cbDockPane* HitTestPanes( wxRect& rect );
76
77 // Internal implementation function. Finds the pane
78 // under the specified point.
79 cbDockPane* HitTestPanes( wxPoint& pos );
80
81 // Internal implementation function.
82 bool HitsPane( cbDockPane* pPane, wxRect& rect );
83
84 // Internal implementation function.
85 void CalcOnScreenDims( wxRect& rect );
86
87 // Internal implementation function.
88 int GetDistanceToPane( cbDockPane* pPane, wxPoint& mousePos );
89
90 // Internal implementation function.
91 bool IsInOtherPane ( wxPoint& mousePos );
92
93 // Internal implementation function.
94 bool IsInClientArea( wxPoint& mousePos );
95
96 // Internal implementation function.
97 bool IsInClientArea( wxRect& rect );
98
99 // Internal implementation function.
100 void StickToPane( cbDockPane* pPane, wxPoint& mousePos );
101
102 // Internal implementation function.
103 void UnstickFromPane( cbDockPane* pPane, wxPoint& mousePos );
104
105 // Internal implementation function.
106 int GetBarWidthInPane( cbDockPane* pPane );
107
108 // Internal implementation function.
109 int GetBarHeightInPane( cbDockPane* pPane );
110
111 // on-screen hint-tracking related methods
112
113 // Internal implementation function.
114 // Start showing a visual hint while dragging.
115 void StartTracking();
116
117 // Internal implementation function.
118 // Draw the visual hint while dragging.
119 void DrawHintRect ( wxRect& rect, bool isInClientRect);
120
121 // Internal implementation function.
122 // Erase the visual hint while dragging.
123 void EraseHintRect( wxRect& rect, bool isInClientRect);
124
125 // Internal implementation function.
126 // Stop showing the visual hint while dragging.
127 void FinishTracking();
128
129 // Internal implementation function.
130 // Draw the hint rectangle.
131 void DoDrawHintRect( wxRect& rect, bool isInClientRect);
132
133 // Internal implementation function.
134 // Converts the given rectangle from window to screen coordinates.
135 void RectToScr( wxRect& frameRect, wxRect& scrRect );
136
137 // Internal implementation function.
138 // Show the hint; called within OnMouseMove.
139 void ShowHint( bool prevWasInClient );
140
141 public:
142 // Default constructor.
143 cbBarDragPlugin(void);
144
145 // Constructor taking a parent frame, and flag. See cbPluginBase.
146 cbBarDragPlugin( wxFrameLayout* pPanel, int paneMask = wxALL_PANES );
147
148 // Destructor.
149 virtual ~cbBarDragPlugin();
150
151 // Handler for plugin event.
152 void OnMouseMove( cbMotionEvent& event );
153
154 // Handler for plugin event.
155 void OnLButtonUp( cbLeftUpEvent& event );
156
157 // Handler for plugin event.
158 void OnLButtonDown( cbLeftDownEvent& event );
159
160 // Handler for plugin event.
161 void OnLDblClick( cbLeftDClickEvent& event );
162
163 // Handles event, which originates from itself.
164 void OnDrawHintRect( cbDrawHintRectEvent& event );
165
166 // Handler for plugin event.
167 void OnStartBarDragging( cbStartBarDraggingEvent& event );
168
169 DECLARE_EVENT_TABLE()
170 };
171
172 #endif /* __BARDRAGPL_G__ */
173