-
Notifications
You must be signed in to change notification settings - Fork 0
/
Label.cpp
87 lines (75 loc) · 2.62 KB
/
Label.cpp
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
#include "Label.hpp"
namespace photon_mapping {
Label::Label(QWidget* parent)
: QLabel(parent)
, m_mousePosition(0)
{
setMouseTracking(true);
setAlignment(Qt::AlignCenter);
setScaledContents(true);
}
QSize Label::minimumSizeHint() const {
return QSize();
}
bool Label::isKeyPressed(Qt::Key key) const {
return m_keysPressed.count(key);
}
bool Label::isMouseButtonPressed(Qt::MouseButton button) const {
return m_mouseButtonsPressed.count(button);
}
Point2i* Label::mousePosition() const {
return m_mousePosition;
}
void Label::resizeEvent(QResizeEvent* event) {
emit resized(Extent2i(event->size().width(), event->size().height()));
event->accept();
}
void Label::keyPressEvent(QKeyEvent* event) {
Qt::Key key = (Qt::Key)event->key();
m_keysPressed.insert(key);
emit keyPressed(key);
event->accept();
}
void Label::keyReleaseEvent(QKeyEvent* event) {
Qt::Key key = (Qt::Key)event->key();
m_keysPressed.erase(key);
emit keyReleased(key);
event->accept();
}
void Label::mousePressEvent(QMouseEvent* event) {
Qt::MouseButton mouseButton = event->button();
m_mouseButtonsPressed.insert(mouseButton);
emit mouseButtonPressed(mouseButton);
event->accept();
}
void Label::mouseReleaseEvent(QMouseEvent* event) {
Qt::MouseButton mouseButton = event->button();
m_mouseButtonsPressed.erase(mouseButton);
emit mouseButtonReleased(mouseButton);
event->accept();
}
void Label::mouseDoubleClickEvent(QMouseEvent* event) {
Qt::MouseButton mouseButton = event->button();
emit mouseButtonDoubleClicked(mouseButton);
event->accept();
}
void Label::mouseMoveEvent(QMouseEvent* event) {
if (m_mousePosition) {
Point2i oldMousePosition = *m_mousePosition;
*m_mousePosition = Point2i(event->pos().x(), event->pos().y());
Vector2i displacement = *m_mousePosition - oldMousePosition;
if (sqrLength(displacement) > 0) {
emit mouseMoved(*m_mousePosition, displacement);
}
} else {
m_mousePosition = new Point2i(event->pos().x(), event->pos().y());
emit mouseEntered(*m_mousePosition);
}
event->accept();
}
void Label::leaveEvent(QEvent* event) {
delete m_mousePosition;
m_mousePosition = 0;
event->accept();
}
}