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
|
/*
*
* $Id: k3baudioeditorwidget.h 620140 2007-01-05 12:02:29Z trueg $
* Copyright (C) 2004-2007 Sebastian Trueg <[email protected]>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_AUDIO_EDITOR_WIDGET_H_
#define _K3B_AUDIO_EDITOR_WIDGET_H_
#include <tqframe.h>
#include <tqptrlist.h>
#include <k3bmsf.h>
class TQPainter;
class K3bAudioEditorWidget : public TQFrame
{
Q_OBJECT
TQ_OBJECT
public:
K3bAudioEditorWidget( TQWidget* parent = 0, const char* name = 0 );
~K3bAudioEditorWidget();
TQSize sizeHint() const;
TQSize minimumSizeHint() const;
/**
* For now the Editor has only one parameter: the length data.
*/
void setLength( const K3b::Msf& length );
const K3b::Msf length() const;
/**
* Add a user editable range.
* @param startFixed if true the range's start cannot be changed by the user, only with modifyRange
* @param endFixed if true the range's end cannot be changed by the user, only with modifyRange
* @param brush if not specified or it has the NoBrush style one is chosen automatically.
*
* @return -1 on error or an identifier on success (be aware that the highest value for end is length-1)
*/
int addRange( const K3b::Msf& start, const K3b::Msf& end,
bool startFixed = false, bool endFixed = false,
const TQString& toolTip = TQString(),
const TQBrush& brush = TQBrush() );
/**
* \returns the identifier of the range which spans over x position \a pos or
* 0 if no range is defined in this region.
*/
int findRange( int pos ) const;
/**
* Searches for a range edge at x position \a pos.
* \return The ranges identifier if an edge could be found or 0 if there is no
* range edge at the position.
*/
int findRangeEdge( int pos, bool* end = 0 ) const;
/**
* @returns false if the range does not exist or end was bigger than start.
*/
bool modifyRange( int identifier, const K3b::Msf& start, const K3b::Msf& end );
/**
* @returns false if the range does not exist.
*/
bool removeRange( int identifier );
K3b::Msf rangeStart( int identifier ) const;
K3b::Msf rangeEnd( int identifier ) const;
/**
* \return A list of all ranges' identifiers sorted ascending by start
* offset
*/
TQValueList<int> allRanges() const;
void setMaxNumberOfMarkers( int );
/**
* @param fixed if true the marker cannot be changed by the user, only with moveMarker
* @return -1 on error or an identifier on success.
*/
int addMarker( const K3b::Msf& pos, bool fixed = false,
const TQString& toolTip = TQString(), const TQColor& color = TQColor() );
/**
* @return false if the marker does not exist.
*/
bool removeMarker( int identifier );
/**
* @return false if the marker does not exist.
*/
bool moveMarker( int identifier, const K3b::Msf& );
void enableMouseAtSignal( bool b ) { m_mouseAt = b; }
/**
* By default ranges can overlap. If overlapping ranges are not allowed
* the editor widget will modify and delete ranges accordingly.
*
* Caution: So far setting this will not check if ranges already overlap.
*/
void setAllowOverlappingRanges( bool b );
/**
* Range selection is by default disabled. If it is enabled the editor visually
* highlights the last clicked range.
*
* \sa setSelectedRange
*/
void enableRangeSelection( bool b );
bool allowOverlappingRanges() const;
bool rangeSelectedEnabled() const;
void setSelectedRange( int id );
/**
* \return The identifier of the currently selected range or 0
* if none is selected.
*/
int selectedRange() const;
K3b::Msf posToMsf( int x ) const;
int msfToPos( const K3b::Msf& msf ) const;
/**
* Set the brush to paint the selected range. Default is TQColorGroup::Highlight
*/
void setSelectedRangeBrush( const TQBrush& );
const TQBrush& selectedRangeBrush() const;
signals:
/**
* Emitted when enabled.
*/
void mouseAt( const K3b::Msf& );
/**
* Emitted when the user changed a range.
* This signal is not emitted when a range is changed via modifyRange.
*/
void rangeChanged( int identifier, const K3b::Msf& start, const K3b::Msf& end );
void rangeRemoved( int );
void selectedRangeChanged( int );
/**
* Emitted when the user moves a marker.
* This signal is not emitted when a marker is changed via moveMarker.
*/
void markerMoved( int identifier, const K3b::Msf& pos );
void markerAdded( int identifier, const K3b::Msf& pos );
void markerRemoved( int identifier );
private:
class Range;
class RangeList;
class Marker;
class ToolTip;
class Private;
Private* d;
void mousePressEvent( TQMouseEvent* e );
void mouseReleaseEvent( TQMouseEvent* e );
void mouseDoubleClickEvent( TQMouseEvent* e );
void mouseMoveEvent( TQMouseEvent* e );
void drawContents( TQPainter* );
void drawAll( TQPainter*, const TQRect& );
void drawRange( TQPainter* p, const TQRect&, Range* r );
void drawMarker( TQPainter* p, const TQRect&, Marker* m );
/**
* Makes sure that \a r does not overlap any other range by modifying and
* deleting other ranges.
*/
void fixupOverlappingRanges( Range* r );
Range* getRange( int i ) const;
Marker* getMarker( int i ) const;
Range* findRange( const TQPoint& p ) const;
Range* findRangeEdge( const TQPoint& p, bool* end = 0 ) const;
Marker* findMarker( const TQPoint& p ) const;
void setSelectedRange( Range* );
int m_maxMarkers;
K3b::Msf m_length;
TQPtrList<Marker> m_markers;
int m_idCnt;
bool m_mouseAt;
/**
* Margin around the timethingy
*/
int m_margin;
Range* m_draggedRange;
bool m_draggingRangeEnd;
Marker* m_draggedMarker;
ToolTip* m_toolTip;
};
#endif
|
