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
|
#include <sstream>
#include <iomanip>
#include <cassert>
#include <QShortcut>
#include <QSettings>
#include <QLabel>
#include <QVector3D>
#include <QApplication>
#include "Canvas.h"
#include "Viewer.h"
#include "ui_Viewer.h"
namespace
{
const QString SETTINGS_GEOMETRY ("Geometry");
const QString SETTINGS_STATE ("State");
const QString SETTINGS_ADAPTIVE_GRID("ShowAdaptiveGrid");
}
Viewer::Viewer(
const QSurfaceFormat & format
, QWidget * parent
, Qt::WindowFlags flags)
: QMainWindow(parent, flags)
, m_ui(new Ui_Viewer)
, m_canvas(nullptr)
, m_fullscreenShortcut(nullptr)
, m_swapIntervalShortcut(nullptr)
{
m_ui->setupUi(this);
setWindowTitle(QApplication::applicationDisplayName());
setup();
setupCanvas(format);
restore();
updateAfterFullScreenToggle();
}
Viewer::~Viewer()
{
store();
setCentralWidget(nullptr);
delete m_canvas;
}
void Viewer::restore()
{
QSettings::setDefaultFormat(QSettings::IniFormat);
QSettings s;
restoreGeometry(s.value(SETTINGS_GEOMETRY).toByteArray());
restoreState(s.value(SETTINGS_STATE).toByteArray());
}
void Viewer::store()
{
QSettings s;
s.setValue(SETTINGS_GEOMETRY, saveGeometry());
s.setValue(SETTINGS_STATE, saveState());
}
void Viewer::setup()
{
// ToDo: this seems to be a generic problem (should be done by qt main window itself but....)
// We need to parse all available shortcuts via any menubars and connect those...
m_fullscreenShortcut.reset(new QShortcut(m_ui->toggleFullScreenAction->shortcut(), this));
connect(m_fullscreenShortcut.data(), &QShortcut::activated, this, &Viewer::toggleFullScreen);
m_swapIntervalShortcut.reset(new QShortcut(m_ui->toggleSwapIntervalAction->shortcut(), this));
connect(m_swapIntervalShortcut.data(), &QShortcut::activated, this, &Viewer::toggleSwapInterval);
m_fpsLabel = new QLabel(m_ui->statusbar);
m_ui->statusbar->addPermanentWidget(m_fpsLabel);
m_numLabel = new QLabel(m_ui->statusbar);
m_ui->statusbar->addPermanentWidget(m_numLabel);
}
void Viewer::setupCanvas(const QSurfaceFormat & format)
{
m_canvas = new Canvas(format);
m_canvas->setContinuousRepaint(true, 0);
m_canvas->setSwapInterval(Canvas::VerticalSyncronization);
connect(m_canvas, &Canvas::fpsUpdate, this, &Viewer::fpsChanged);
connect(m_canvas, &Canvas::numCubesUpdate, this, &Viewer::numCubesChanged);
QWidget * widget = QWidget::createWindowContainer(m_canvas);
widget->setMinimumSize(1, 1);
widget->setAutoFillBackground(false); // Important for overdraw, not occluding the scene.
widget->setFocusPolicy(Qt::TabFocus);
setCentralWidget(widget);
show();
}
void Viewer::fpsChanged(float fps)
{
m_fpsLabel->setText(QString(" %1 fps ")
.arg(fps, 2, 'g', 4));
}
void Viewer::numCubesChanged(int numCubes)
{
m_numLabel->setText(QString("#cubes: %2 (%1 x %1)")
.arg(numCubes).arg(numCubes * numCubes));
}
void Viewer::on_toggleFullScreenAction_triggered(bool)
{
toggleFullScreen();
}
void Viewer::toggleFullScreen()
{
if (isFullScreen())
showNormal();
else
showFullScreen();
updateAfterFullScreenToggle();
}
void Viewer::updateAfterFullScreenToggle()
{
m_ui->menubar->setVisible(isFullScreen());
m_ui->statusbar->setVisible(isFullScreen());
m_ui->menubar->setVisible(!isFullScreen());
m_ui->statusbar->setVisible(!isFullScreen());
m_fullscreenShortcut->setEnabled(isFullScreen());
m_swapIntervalShortcut->setEnabled(isFullScreen());
}
void Viewer::on_toggleSwapIntervalAction_triggered(bool)
{
toggleSwapInterval();
}
void Viewer::toggleSwapInterval()
{
assert(m_canvas);
m_canvas->toggleSwapInterval();
}
void Viewer::on_quitAction_triggered(bool)
{
QApplication::quit();
}
|
