source: flair-src/trunk/tools/FlairGCS/src/DoubleSpinBox.cpp @ 437

Last change on this file since 437 was 437, checked in by Sanahuja Guillaume, 4 months ago

prepare for graphs buffering

File size: 3.5 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5#include "DoubleSpinBox.h"
6#include "Layout.h"
7#include <QLineEdit>
8#include <QMenu>
9#include <QContextMenuEvent>
10#include <QDoubleSpinBox>
11#include <QFormLayout>
12
13DoubleSpinBox::DoubleSpinBox(Layout *parent, int row, int col, QString name,
14                             QString suffix, QString value, float min,
15                             float max, float step, uint16_t decimals)
16    : FormLayout(parent, row, col, name, "DoubleSpinBox") {
17  doublespinbox = new QDoubleSpinBox();
18
19  doublespinbox->setRange(min, max);
20  doublespinbox->setSingleStep(step);
21  doublespinbox->setDecimals(decimals);
22  if (suffix != "") doublespinbox->setSuffix(suffix);
23  adjust_decimals(value);
24  doublespinbox->setValue(value.toDouble());
25  doublespinbox_value = doublespinbox->cleanText();
26
27  // event filter for qdoublespinbox and its child (qlinedit and incremnt
28  // qbuttons)
29  doublespinbox->installEventFilter(this);
30  QObjectList o_list = doublespinbox->children();
31  for (int i = 0; i < o_list.length(); i++) {
32    QLineEdit *cast = qobject_cast<QLineEdit *>(o_list[i]);
33    if (cast)
34      cast->installEventFilter(this);
35  }
36
37  object_layout->addRow(name, doublespinbox);
38
39  connect(doublespinbox, SIGNAL(valueChanged(const QString &)), this,
40          SLOT(valuechanged(const QString &)));
41
42  SetValue(value);
43}
44
45DoubleSpinBox::~DoubleSpinBox() { delete doublespinbox; }
46
47void DoubleSpinBox::adjust_decimals(QString value) {
48  // auto adjust decimals
49  QLocale locale;
50  value.remove(locale.groupSeparator());
51
52  QStringList parts = value.split(locale.decimalPoint());
53  if (parts.count() == 2) {
54    doublespinbox->setDecimals(parts[1].size());
55  }
56}
57
58bool DoubleSpinBox::eventFilter(QObject *object, QEvent *event) {
59  if (object == doublespinbox && event->type() == QEvent::MouseButtonPress) {
60    if (((QMouseEvent *)event)->button() == Qt::RightButton) {
61      QMenu *menu = new QMenu("menu", doublespinbox);
62      QAction *a, *b, *c, *z;
63
64      a = menu->addAction("add decimal");
65      b = menu->addAction("remove decimal");
66
67      if (doublespinbox->decimals() == 0)
68        b->setEnabled(false);
69      z = menu->exec(((QMouseEvent *)event)->globalPos());
70
71      if (z == a)
72        doublespinbox->setDecimals(doublespinbox->decimals() + 1);
73      if (z == b)
74        doublespinbox->setDecimals(doublespinbox->decimals() - 1);
75      delete menu;
76      return true;
77    }
78  }
79
80  return object->eventFilter(object, event);
81}
82
83void DoubleSpinBox::SetUptodate(void) {
84  ui_to_var();
85  ui_to_xml();
86  visible_widget->setPalette(black_pal);
87}
88
89void DoubleSpinBox::ui_to_var(void) {
90  doublespinbox_value = doublespinbox->cleanText();
91}
92
93void DoubleSpinBox::ui_to_xml(void) { 
94  SetValue(doublespinbox->cleanText());
95}
96
97void DoubleSpinBox::Reset(void) {
98  // le setvalue fait un arrondi pour l'affichage, la variable n'est donc plus
99  // egale
100  // on reprend la valeur de la boite et on force la couleur a noir
101  adjust_decimals(doublespinbox_value);
102  doublespinbox->setValue(doublespinbox_value.toDouble());
103  doublespinbox_value = doublespinbox->cleanText();
104  visible_widget->setPalette(black_pal);
105}
106
107void DoubleSpinBox::LoadEvent(QDomElement *dom) {
108  if (doublespinbox->isEnabled() == true) {
109    doublespinbox->setValue((dom->attribute("value")).toDouble());
110  }
111}
112
113void DoubleSpinBox::valuechanged(const QString &value) {
114  if (value != doublespinbox_value) {
115    visible_widget->setPalette(red_pal);
116  } else {
117    visible_widget->setPalette(black_pal);
118  }
119}
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