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
|
//=========================================================
// MusE
// Linux Music Editor
// $Id: sigscale.cpp,v 1.1.1.1 2003/10/29 10:06:24 wschweer Exp $
// (C) Copyright 1999 Werner Schweer (ws@seh.de)
//=========================================================
#include "sigscale.h"
#include "midieditor.h"
#include <qpainter.h>
#include <qtooltip.h>
#include "globals.h"
#include "song.h"
//---------------------------------------------------------
// SigScale
//---------------------------------------------------------
SigScale::SigScale(int* r, QWidget* parent, int xs)
: View(parent, xs, 1)
{
QToolTip::add(this, tr("signature scale"));
raster = r;
pos[0] = song->cpos();
pos[1] = song->lpos();
pos[2] = song->rpos();
button = QMouseEvent::NoButton;
setMouseTracking(true);
connect(song, SIGNAL(posChanged(int, int, bool)), this, SLOT(setPos(int, int, bool)));
setFixedHeight(18);
}
//---------------------------------------------------------
// setPos
//---------------------------------------------------------
void SigScale::setPos(int idx, int val, bool)
{
if (val == pos[idx])
return;
int opos = mapx(pos[idx]);
pos[idx] = val;
if (!isVisible())
return;
val = mapx(val);
int x = -9;
int w = 18;
if (opos > val) {
w += opos - val;
x += val;
}
else {
w += val - opos;
x += opos;
}
redraw(QRect(x, 0, w, height()));
}
void SigScale::viewMousePressEvent(QMouseEvent* event)
{
button = event->button();
viewMouseMoveEvent(event);
}
void SigScale::viewMouseReleaseEvent(QMouseEvent*)
{
button = QMouseEvent::NoButton;
}
void SigScale::viewMouseMoveEvent(QMouseEvent* event)
{
int x = sigmap.raster(event->x(), *raster);
emit timeChanged(x);
int i;
switch (button) {
case QMouseEvent::LeftButton:
i = 0;
break;
case QMouseEvent::MidButton:
i = 1;
break;
case QMouseEvent::RightButton:
i = 2;
break;
default:
return;
}
song->setPos(i, x);
}
//---------------------------------------------------------
// leaveEvent
//---------------------------------------------------------
void SigScale::leaveEvent(QEvent*)
{
emit timeChanged(-1);
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void SigScale::pdraw(QPainter& p, const QRect& r)
{
int x = r.x();
int w = r.width();
int h = height();
if (x < 0)
x = 0;
p.setFont(font3);
for (ciSigEvent si = sigmap.begin(); si != sigmap.end(); ++si) {
SigEvent* e = si->second;
int xp = mapx(e->tick);
if (xp > x+w)
break;
if (xp+40 < x)
continue;
p.drawLine(xp, 0, xp, h/2);
p.drawLine(xp, h/2, xp+5, h/2);
QString s;
s.sprintf("%d/%d", e->z, e->n);
p.drawText(xp+8, h-6, s);
}
//---------------------------------------------------
// draw location marker
//---------------------------------------------------
p.setPen(red);
int xp = mapx(pos[0]);
if (xp >= x && xp < x+w)
p.drawLine(xp, 0, xp, h);
p.setPen(blue);
xp = mapx(pos[1]);
if (xp >= x && xp < x+w)
p.drawLine(xp, 0, xp, h);
xp = mapx(pos[2]);
if (xp >= x && xp < x+w)
p.drawLine(xp, 0, xp, h);
}
|
