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
|
/*
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 "PropertyViewRuler.h"
#include "base/Event.h"
#include <tdelocale.h>
#include "misc/Strings.h"
#include "base/PropertyName.h"
#include "base/RulerScale.h"
#include "base/Segment.h"
#include "DefaultVelocityColour.h"
#include "gui/general/GUIPalette.h"
#include "gui/general/HZoomable.h"
#include <tqfont.h>
#include <tqfontmetrics.h>
#include <tqpainter.h>
#include <tqrect.h>
#include <tqsize.h>
#include <tqstring.h>
#include <tqtooltip.h>
#include <tqwidget.h>
namespace Rosegarden
{
PropertyViewRuler::PropertyViewRuler(RulerScale *rulerScale,
Segment *segment,
const PropertyName &property,
double xorigin,
int height,
TQWidget *parent,
const char *name) :
TQWidget(parent, name),
m_propertyName(property),
m_xorigin(xorigin),
m_height(height),
m_currentXOffset(0),
m_width( -1),
m_segment(segment),
m_rulerScale(rulerScale),
m_fontMetrics(m_boldFont)
{
m_boldFont.setBold(true);
m_fontMetrics = TQFontMetrics(m_boldFont);
setBackgroundColor(GUIPalette::getColour(GUIPalette::SegmentCanvas));
TQString tip = i18n("%1 controller").arg(strtoqstr(property));
TQToolTip::add
(this, tip);
}
PropertyViewRuler::~PropertyViewRuler()
{
// nothing
}
void
PropertyViewRuler::slotScrollHoriz(int x)
{
int w = width(), h = height();
x = int(double(x) / getHScaleFactor());
int dx = x - ( -m_currentXOffset);
m_currentXOffset = -x;
if (dx > w*3 / 4 || dx < -w*3 / 4) {
update();
return ;
}
if (dx > 0) { // moving right, so the existing stuff moves left
bitBlt(this, 0, 0, this, dx, 0, w - dx, h);
repaint(w - dx, 0, dx, h);
} else { // moving left, so the existing stuff moves right
bitBlt(this, -dx, 0, this, 0, 0, w + dx, h);
repaint(0, 0, -dx, h);
}
}
TQSize
PropertyViewRuler::sizeHint() const
{
double width =
m_rulerScale->getBarPosition(m_rulerScale->getLastVisibleBar()) +
m_rulerScale->getBarWidth(m_rulerScale->getLastVisibleBar()) +
m_xorigin;
TQSize res(std::max(int(width), m_width), m_height);
return res;
}
TQSize
PropertyViewRuler::minimumSizeHint() const
{
double firstBarWidth = m_rulerScale->getBarWidth(0) + m_xorigin;
TQSize res = TQSize(int(firstBarWidth), m_height);
return res;
}
void
PropertyViewRuler::paintEvent(TQPaintEvent* e)
{
TQPainter paint(this);
if (getHScaleFactor() != 1.0)
paint.scale(getHScaleFactor(), 1.0);
paint.setPen(GUIPalette::getColour(GUIPalette::MatrixElementBorder));
TQRect clipRect = e->rect().normalize();
timeT from = m_rulerScale->getTimeForX
(clipRect.x() - m_currentXOffset - m_xorigin);
Segment::iterator it = m_segment->findNearestTime(from);
for (; m_segment->isBeforeEndMarker(it); it++) {
long value = 0;
if (!(*it)->get
<Int>(m_propertyName, value))
continue;
int x = int(m_rulerScale->getXForTime((*it)->getAbsoluteTime()))
+ m_currentXOffset + int(m_xorigin);
int xPos = x * int(getHScaleFactor());
if (xPos < clipRect.x())
continue;
if (xPos > (clipRect.x() + clipRect.width()))
break;
// include fiddle factor (+2)
int width =
int(m_rulerScale->getXForTime((*it)->getAbsoluteTime() +
(*it)->getDuration()) + 2)
+ m_currentXOffset + int(m_xorigin) - x;
int blockHeight = int(double(height()) * (value / 127.0));
paint.setBrush(DefaultVelocityColour::getInstance()->getColour(value));
paint.drawRect(x, height() - blockHeight, width, blockHeight);
}
}
}
#include "PropertyViewRuler.moc"
|
