1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
|
/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: seleng.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: vg $ $Date: 2007-04-11 18:10:08 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _SV_SELENG_HXX
#define _SV_SELENG_HXX
#ifndef _VCL_DLLAPI_H
#include <vcl/dllapi.h>
#endif
#ifndef _SV_TIMER_HXX
#include <vcl/timer.hxx>
#endif
#ifndef _SV_EVENT_HXX
#include <vcl/event.hxx>
#endif
class Window;
class CommandEvent;
// Timerticks
#define SELENG_DRAGDROP_TIMEOUT 400
#define SELENG_AUTOREPEAT_INTERVAL 50
enum SelectionMode { NO_SELECTION, SINGLE_SELECTION, RANGE_SELECTION, MULTIPLE_SELECTION };
// ---------------
// - FunctionSet -
// ---------------
class VCL_DLLPUBLIC FunctionSet
{
public:
virtual void BeginDrag() = 0;
virtual void CreateAnchor() = 0; // Anker-Pos := Cursor-Pos
virtual void DestroyAnchor() = 0;
// Cursor neu setzen, dabei die beim Anker beginnende
// Selektion der neuen Cursor-Position anpassen. TRUE == Ok
virtual BOOL SetCursorAtPoint( const Point& rPointPixel,
BOOL bDontSelectAtCursor = FALSE ) = 0;
virtual BOOL IsSelectionAtPoint( const Point& rPointPixel ) = 0;
virtual void DeselectAtPoint( const Point& rPointPixel ) = 0;
// Anker loeschen & alles deselektieren
virtual void DeselectAll() = 0;
};
// -------------------
// - SelectionEngine -
// -------------------
#define SELENG_DRG_ENAB 0x0001
#define SELENG_IN_SEL 0x0002
#define SELENG_IN_ADD 0x0004
#define SELENG_ADD_ALW 0x0008
#define SELENG_IN_DRG 0x0010
#define SELENG_HAS_ANCH 0x0020
#define SELENG_CMDEVT 0x0040
#define SELENG_WAIT_UPEVT 0x0080
#define SELENG_EXPANDONMOVE 0x0100
class VCL_DLLPUBLIC SelectionEngine
{
private:
FunctionSet* pFunctionSet;
Window* pWin;
Rectangle aArea;
Timer aWTimer; // erzeugt kuenstliche Mouse-Moves
MouseEvent aLastMove;
SelectionMode eSelMode;
// Stufigkeit fuer Mausbewegungen waehrend einer Selektion
USHORT nMouseSensitivity;
USHORT nLockedMods;
USHORT nFlags;
//#if 0 // _SOLAR__PRIVATE
DECL_DLLPRIVATE_LINK( ImpWatchDog, Timer * );
//#endif
inline BOOL ShouldDeselect( BOOL bModifierKey1 ) const;
// determines to deselect or not when Ctrl-key is pressed on CursorPosChanging
public:
SelectionEngine( Window* pWindow,
FunctionSet* pFunctions = NULL );
~SelectionEngine();
// TRUE: Event wurde von Selection-Engine verarbeitet.
BOOL SelMouseButtonDown( const MouseEvent& rMEvt );
BOOL SelMouseButtonUp( const MouseEvent& rMEvt );
BOOL SelMouseMove( const MouseEvent& rMEvt );
// Tastatur
void CursorPosChanging( BOOL bShift, BOOL bMod1 );
// wird benoetigt, um bei ausserhalb des Bereichs stehender
// Maus ueber einen Timer Move-Events zu erzeugen
void SetVisibleArea( const Rectangle rNewArea )
{ aArea = rNewArea; }
const Rectangle& GetVisibleArea() const { return aArea; }
void SetAddMode( BOOL);
BOOL IsAddMode() const;
void AddAlways( BOOL bOn );
BOOL IsAlwaysAdding() const;
void EnableDrag( BOOL bOn );
BOOL IsDragEnabled() const;
void ActivateDragMode();
BOOL IsInDragMode() const;
void SetSelectionMode( SelectionMode eMode );
SelectionMode GetSelectionMode() const { return eSelMode; }
void SetFunctionSet( FunctionSet* pFuncs )
{ pFunctionSet = pFuncs; }
const FunctionSet* GetFunctionSet() const { return pFunctionSet; }
void SetMouseSensitivity( USHORT nSensitivity )
{ nMouseSensitivity = nSensitivity; }
USHORT GetMouseSensitivity() const
{ return nMouseSensitivity; }
const Point& GetMousePosPixel() const
{ return aLastMove.GetPosPixel(); }
const MouseEvent& GetMouseEvent() const { return aLastMove; }
void SetWindow( Window*);
Window* GetWindow() const { return pWin; }
void LockModifiers( USHORT nModifiers )
{ nLockedMods = nModifiers; }
USHORT GetLockedModifiers() const { return nLockedMods; }
BOOL IsInSelection() const;
void Reset();
void Command( const CommandEvent& rCEvt );
BOOL HasAnchor() const;
void SetAnchor( BOOL bAnchor );
// wird im Ctor eingeschaltet
void ExpandSelectionOnMouseMove( BOOL bExpand = TRUE )
{
if( bExpand )
nFlags |= SELENG_EXPANDONMOVE;
else
nFlags &= ~SELENG_EXPANDONMOVE;
}
};
inline BOOL SelectionEngine::IsDragEnabled() const
{
if ( nFlags & SELENG_DRG_ENAB )
return TRUE;
else
return FALSE;
}
inline BOOL SelectionEngine::IsAddMode() const
{
if ( nFlags & (SELENG_IN_ADD | SELENG_ADD_ALW) )
return TRUE;
else
return FALSE;
}
inline void SelectionEngine::SetAddMode( BOOL bNewMode )
{
if ( bNewMode )
nFlags |= SELENG_IN_ADD;
else
nFlags &= (~SELENG_IN_ADD);
}
inline void SelectionEngine::EnableDrag( BOOL bOn )
{
if ( bOn )
nFlags |= SELENG_DRG_ENAB;
else
nFlags &= (~SELENG_DRG_ENAB);
}
inline void SelectionEngine::AddAlways( BOOL bOn )
{
if( bOn )
nFlags |= SELENG_ADD_ALW;
else
nFlags &= (~SELENG_ADD_ALW);
}
inline BOOL SelectionEngine::IsAlwaysAdding() const
{
if ( nFlags & SELENG_ADD_ALW )
return TRUE;
else
return FALSE;
}
inline BOOL SelectionEngine::IsInDragMode() const
{
if ( nFlags & SELENG_IN_DRG )
return TRUE;
else
return FALSE;
}
inline BOOL SelectionEngine::IsInSelection() const
{
if ( nFlags & SELENG_IN_SEL )
return TRUE;
else
return FALSE;
}
inline BOOL SelectionEngine::HasAnchor() const
{
if ( nFlags & SELENG_HAS_ANCH )
return TRUE;
else
return FALSE;
}
inline void SelectionEngine::SetAnchor( BOOL bAnchor )
{
if ( bAnchor )
nFlags |= SELENG_HAS_ANCH;
else
nFlags &= (~SELENG_HAS_ANCH);
}
#endif // _SV_SELENG_HXX
|
