blob: 63cc194060f1ef0bc193f86827b67742f8f3b7b1 (
plain)
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
|
/***************************************************************************
wdisplay.cpp - description
-------------------
begin : Fri Jun 21 2002
copyright : (C) 2002 by Tue & Ken Haste Andersen
email : haste@diku.dk
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "wdisplay.h"
#include "wpixmapstore.h"
#include <QPainter>
#include <QPaintEvent>
#include <QtDebug>
#include <QPixmap>
WDisplay::WDisplay(QWidget * parent) : WWidget(parent) {
m_pPixmaps = 0;
setPositions(0);
}
WDisplay::~WDisplay() {
resetPositions();
}
void WDisplay::setup(QDomNode node) {
// Number of states
setPositions(selectNodeInt(node, "NumberStates"));
// Load knob pixmaps
QString path = selectNodeQString(node, "Path");
for (int i=0; i<m_iNoPos; ++i) {
setPixmap(i, getPath(path.arg(i)));
}
}
void WDisplay::setPositions(int iNoPos) {
m_iNoPos = iNoPos;
m_iPos = 0;
resetPositions();
if (m_iNoPos>0) {
m_pPixmaps = new QPixmap*[m_iNoPos];
for (int i=0; i<m_iNoPos; i++)
m_pPixmaps[i] = 0;
}
}
void WDisplay::resetPositions() {
if (m_pPixmaps) {
for (int i=0; i<m_iNoPos; i++)
if (m_pPixmaps[i])
WPixmapStore::deletePixmap(m_pPixmaps[i]);
//WPixmapStore::deletePixmap(m_pPixmaps);
m_pPixmaps = 0;
}
}
void WDisplay::setPixmap(int iPos, const QString &filename) {
m_pPixmaps[iPos] = WPixmapStore::getPixmap(filename);
if (!m_pPixmaps[iPos])
qDebug() << "WDisplay: Error loading pixmap" << filename;
else
setFixedSize(m_pPixmaps[iPos]->size());
}
void WDisplay::paintEvent(QPaintEvent *) {
if (m_pPixmaps) {
int idx = (int)(m_fValue*(float)(m_iNoPos)/128.);
// Range check
if (idx>(m_iNoPos-1))
idx = m_iNoPos-1;
else if (idx<0)
idx = 0;
if (m_pPixmaps[idx]) {
QPainter p(this);
p.drawPixmap(0, 0, *m_pPixmaps[idx]);
}
}
}
|
