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
|
/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
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 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "keyframeviewitem.h"
#include <QApplication>
#include <QPainter>
#include <QStyleOptionGraphicsItem>
#include <QWidget>
#include "common/qtutils.h"
#include "node/input.h"
OLIVE_NAMESPACE_ENTER
KeyframeViewItem::KeyframeViewItem(NodeKeyframePtr key, QGraphicsItem *parent) :
QGraphicsRectItem(parent),
key_(key),
scale_(1.0),
vert_center_(0),
use_custom_brush_(false)
{
setFlag(QGraphicsItem::ItemIsSelectable);
connect(key.get(), &NodeKeyframe::TimeChanged, this, &KeyframeViewItem::UpdatePos);
connect(key.get(), &NodeKeyframe::TypeChanged, this, &KeyframeViewItem::Redraw);
int keyframe_size = QFontMetricsWidth(qApp->fontMetrics(), "Oi");
int half_sz = keyframe_size/2;
setRect(-half_sz, -half_sz, keyframe_size, keyframe_size);
UpdatePos();
// Set default brush
}
void KeyframeViewItem::SetOverrideY(qreal vertical_center)
{
vert_center_ = vertical_center;
UpdatePos();
}
void KeyframeViewItem::SetScale(double scale)
{
scale_ = scale;
UpdatePos();
}
void KeyframeViewItem::SetOverrideBrush(const QBrush &b)
{
use_custom_brush_ = true;
setBrush(b);
}
NodeKeyframePtr KeyframeViewItem::key() const
{
return key_;
}
void KeyframeViewItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
painter->setRenderHint(QPainter::Antialiasing);
painter->setPen(Qt::black);
if (option->state & QStyle::State_Selected) {
painter->setBrush(widget->palette().highlight());
} else if (use_custom_brush_) {
painter->setBrush(brush());
} else {
painter->setBrush(widget->palette().text());
}
switch (key_->type()) {
case NodeKeyframe::kLinear:
{
QPointF points[] = {
QPointF(rect().center().x(), rect().top()),
QPointF(rect().right(), rect().center().y()),
QPointF(rect().center().x(), rect().bottom()),
QPointF(rect().left(), rect().center().y())
};
painter->drawPolygon(points, 4);
break;
}
case NodeKeyframe::kBezier:
painter->drawEllipse(rect());
break;
case NodeKeyframe::kHold:
painter->drawRect(rect());
break;
}
}
void KeyframeViewItem::TimeTargetChangedEvent(Node *)
{
UpdatePos();
}
void KeyframeViewItem::UpdatePos()
{
rational adjusted = GetAdjustedTime(key_->parent()->parentNode(), GetTimeTarget(), key_->time(), NodeParam::kOutput);
setPos(adjusted.toDouble() * scale_, vert_center_);
}
void KeyframeViewItem::Redraw()
{
QGraphicsItem::update();
}
OLIVE_NAMESPACE_EXIT
|
