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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
// SPDX-License-Identifier: GPL-2.0
#include "statswidget.h"
#include "mainwindow.h"
#include "stats/statsview.h"
#include <QCheckBox>
#include <QPainter>
#include <QStyledItemDelegate>
class ChartItemDelegate : public QStyledItemDelegate {
private:
void paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
};
// Number of pixels that non-toplevel items are indented
static int indent(const QFontMetrics &fm)
{
#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
return 4 * fm.width('-');
#else
return 4 * fm.horizontalAdvance('-');
#endif
}
static const int iconSpace = 2; // Number of pixels between icon and text
static const int topSpace = 2; // Number of pixels above icon
void ChartItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QFont font = index.data(Qt::FontRole).value<QFont>();
QFontMetrics fm(font);
QString name = index.data(ChartListModel::ChartNameRole).value<QString>();
painter->setFont(font);
QRect rect = option.rect;
if (option.state & QStyle::State_Selected) {
painter->save();
painter->setBrush(option.palette.highlight());
painter->setPen(Qt::NoPen);
painter->drawRect(rect);
painter->restore();
}
bool isHeader = index.data(ChartListModel::IsHeaderRole).value<bool>();
if (!isHeader)
rect.translate(indent(fm), 0);
QPixmap icon = index.data(ChartListModel::IconRole).value<QPixmap>();
if (!icon.isNull()) {
rect.translate(0, topSpace);
painter->drawPixmap(rect.topLeft(), icon);
rect.translate(icon.size().width() + iconSpace, (icon.size().height() - fm.height()) / 2);
}
painter->drawText(rect, name);
}
QSize ChartItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QFont font = index.data(Qt::FontRole).value<QFont>();
QFontMetrics fm(font);
QString name = index.data(ChartListModel::ChartNameRole).value<QString>();
QSize iconSize = index.data(ChartListModel::IconSizeRole).value<QSize>();
QSize size = fm.size(Qt::TextSingleLine, name);
bool isHeader = index.data(ChartListModel::IsHeaderRole).value<bool>();
if (!isHeader)
size += QSize(indent(fm), 0);
if (iconSize.isValid())
size = QSize(size.width() + iconSize.width() + iconSpace,
std::max(size.height(), iconSize.height()) + 2 * topSpace);
return size;
}
StatsWidget::StatsWidget(QWidget *parent) : QWidget(parent)
{
ui.setupUi(this);
connect(ui.close, &QToolButton::clicked, this, &StatsWidget::closeStats);
ui.chartType->setModel(&charts);
connect(ui.chartType, QOverload<int>::of(&QComboBox::activated), this, &StatsWidget::chartTypeChanged);
connect(ui.var1, QOverload<int>::of(&QComboBox::activated), this, &StatsWidget::var1Changed);
connect(ui.var2, QOverload<int>::of(&QComboBox::activated), this, &StatsWidget::var2Changed);
connect(ui.var1Binner, QOverload<int>::of(&QComboBox::activated), this, &StatsWidget::var1BinnerChanged);
connect(ui.var2Binner, QOverload<int>::of(&QComboBox::activated), this, &StatsWidget::var2BinnerChanged);
connect(ui.var2Operation, QOverload<int>::of(&QComboBox::activated), this, &StatsWidget::var2OperationChanged);
}
// Initialize QComboBox with list of variables
static void setVariableList(QComboBox *combo, const StatsState::VariableList &list)
{
combo->clear();
for (const StatsState::Variable &v: list.variables)
combo->addItem(v.name, QVariant(v.id));
combo->setCurrentIndex(list.selected);
}
// Initialize QComboBox and QLabel of binners. Hide if there are no binners.
static void setBinList(QLabel *label, QComboBox *combo, const QString &varName, const StatsState::BinnerList &list)
{
combo->clear();
if (list.binners.empty()) {
label->hide();
combo->hide();
return;
}
label->show();
combo->show();
for (const QString &s: list.binners)
combo->addItem(s);
combo->setCurrentIndex(list.selected);
}
// Initialize QComboBox and QLabel of operations. Hide if there are no operations.
static void setOperationList(QLabel *label, QComboBox *combo, const QString &varName, const StatsState::VariableList &list)
{
combo->clear();
if (list.variables.empty()) {
label->hide();
combo->hide();
return;
}
label->show();
combo->show();
setVariableList(combo, list);
}
void StatsWidget::updateUi()
{
StatsState::UIState uiState = state.getUIState();
setVariableList(ui.var1, uiState.var1);
setVariableList(ui.var2, uiState.var2);
int pos = charts.update(uiState.charts);
ui.chartType->setCurrentIndex(pos);
ui.chartType->setItemDelegate(new ChartItemDelegate);
setBinList(ui.var1BinnerLabel, ui.var1Binner, uiState.var1Name, uiState.binners1);
setBinList(ui.var2BinnerLabel, ui.var2Binner, uiState.var2Name, uiState.binners2);
setOperationList(ui.var2OperationLabel, ui.var2Operation, uiState.var2Name, uiState.operations2);
// Add checkboxes for additional features
features.clear();
for (const StatsState::Feature &f: uiState.features) {
features.emplace_back(new QCheckBox(f.name));
QCheckBox *check = features.back().get();
check->setChecked(f.selected);
int id = f.id;
connect(check, &QCheckBox::stateChanged, [this,id] (int state) { featureChanged(id, state); });
ui.features->addWidget(check);
}
ui.stats->plot(state);
}
void StatsWidget::closeStats()
{
MainWindow::instance()->setApplicationState(ApplicationState::Default);
}
void StatsWidget::chartTypeChanged(int idx)
{
state.chartChanged(ui.chartType->itemData(idx).toInt());
updateUi();
}
void StatsWidget::var1Changed(int idx)
{
state.var1Changed(ui.var1->itemData(idx).toInt());
updateUi();
}
void StatsWidget::var2Changed(int idx)
{
state.var2Changed(ui.var2->itemData(idx).toInt());
updateUi();
}
void StatsWidget::var1BinnerChanged(int idx)
{
state.binner1Changed(idx);
updateUi();
}
void StatsWidget::var2BinnerChanged(int idx)
{
state.binner2Changed(idx);
updateUi();
}
void StatsWidget::var2OperationChanged(int idx)
{
state.var2OperationChanged(ui.var2Operation->itemData(idx).toInt());
updateUi();
}
void StatsWidget::featureChanged(int idx, bool status)
{
state.featureChanged(idx, status);
updateUi();
}
void StatsWidget::showEvent(QShowEvent *e)
{
updateUi();
QWidget::showEvent(e);
}
|
