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
|
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <richard.bown@ferventsoftware.com>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
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 included with this distribution for more information.
*/
#include "SegmentSplitter.h"
#include "misc/Debug.h"
#include "base/Segment.h"
#include "base/SnapGrid.h"
#include "commands/segment/AudioSegmentSplitCommand.h"
#include "commands/segment/SegmentSplitCommand.h"
#include "CompositionItemHelper.h"
#include "CompositionView.h"
#include "document/RosegardenGUIDoc.h"
#include "gui/general/BaseTool.h"
#include "gui/general/RosegardenCanvasView.h"
#include "SegmentTool.h"
#include <kcommand.h>
#include <tqpoint.h>
#include <tqrect.h>
#include <tqstring.h>
#include <klocale.h>
namespace Rosegarden
{
SegmentSplitter::SegmentSplitter(CompositionView *c, RosegardenGUIDoc *d)
: SegmentTool(c, d),
m_prevX(0),
m_prevY(0)
{
RG_DEBUG << "SegmentSplitter()\n";
}
SegmentSplitter::~SegmentSplitter()
{}
void SegmentSplitter::ready()
{
m_canvas->viewport()->setCursor(TQt::splitHCursor);
setBasicContextHelp();
}
void
SegmentSplitter::handleMouseButtonPress(TQMouseEvent *e)
{
// Remove cursor and replace with line on a SegmentItem
// at where the cut will be made
CompositionItem item = m_canvas->getFirstItemAt(e->pos());
if (item) {
m_canvas->viewport()->setCursor(TQt::blankCursor);
m_prevX = item->rect().x();
m_prevX = item->rect().y();
drawSplitLine(e);
delete item;
}
}
void
SegmentSplitter::handleMouseButtonRelease(TQMouseEvent *e)
{
setBasicContextHelp();
CompositionItem item = m_canvas->getFirstItemAt(e->pos());
if (item) {
m_canvas->setSnapGrain(true);
Segment* segment = CompositionItemHelper::getSegment(item);
if (segment->getType() == Segment::Audio) {
AudioSegmentSplitCommand *command =
new AudioSegmentSplitCommand(segment, m_canvas->grid().snapX(e->pos().x()));
addCommandToHistory(command);
} else {
SegmentSplitCommand *command =
new SegmentSplitCommand(segment, m_canvas->grid().snapX(e->pos().x()));
addCommandToHistory(command);
}
m_canvas->updateContents(item->rect());
delete item;
}
// Reinstate the cursor
m_canvas->viewport()->setCursor(TQt::splitHCursor);
m_canvas->slotHideSplitLine();
}
int
SegmentSplitter::handleMouseMove(TQMouseEvent *e)
{
setBasicContextHelp();
CompositionItem item = m_canvas->getFirstItemAt(e->pos());
if (item) {
// m_canvas->viewport()->setCursor(TQt::blankCursor);
drawSplitLine(e);
delete item;
return RosegardenCanvasView::FollowHorizontal;
} else {
m_canvas->viewport()->setCursor(TQt::splitHCursor);
m_canvas->slotHideSplitLine();
return RosegardenCanvasView::NoFollow;
}
}
void
SegmentSplitter::drawSplitLine(TQMouseEvent *e)
{
m_canvas->setSnapGrain(true);
// Turn the real X into a snapped X
//
timeT xT = m_canvas->grid().snapX(e->pos().x());
int x = (int)(m_canvas->grid().getRulerScale()->getXForTime(xT));
// Need to watch y doesn't leak over the edges of the
// current Segment.
//
int y = m_canvas->grid().snapY(e->pos().y());
m_canvas->slotShowSplitLine(x, y);
TQRect updateRect(std::max(0, std::min(x, m_prevX) - 5), y,
std::max(m_prevX, x) + 5, m_prevY + m_canvas->grid().getYSnap());
m_canvas->updateContents(updateRect);
m_prevX = x;
m_prevY = y;
}
void
SegmentSplitter::contentsMouseDoubleClickEvent(TQMouseEvent*)
{
// DO NOTHING
}
void
SegmentSplitter::setBasicContextHelp()
{
if (!m_canvas->isFineGrain()) {
setContextHelp(i18n("Click on a segment to split it in two; hold Shift to avoid snapping to beat grid"));
} else {
setContextHelp(i18n("Click on a segment to split it in two"));
}
}
const TQString SegmentSplitter::ToolName = "segmentsplitter";
}
#include "SegmentSplitter.moc"
|
