blob: 6bca32590f199179b47b24f6d5b1b35a436f1bbe (
plain)
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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
import QtQuick 2.1
import TimelineTheme 1.0
import TimelineTimeFormatter 1.0
Item {
id: timeDisplay
property double windowStart
property double rangeDuration
property int textMargin: 5
property int labelsHeight: 24
property int fontSize: 8
property int initialBlockLength: 120
property double spacing: width / rangeDuration
property double timePerBlock: Math.pow(2, Math.floor(Math.log(initialBlockLength / spacing) /
Math.LN2))
property double alignedWindowStart: Math.round(windowStart - (windowStart % timePerBlock))
property double pixelsPerBlock: timeDisplay.timePerBlock * timeDisplay.spacing
property double pixelsPerSection: pixelsPerBlock / 5
property int contentX
property int offsetX: contentX + Math.round((windowStart % timePerBlock) * spacing)
Rectangle {
anchors.left: parent.left
anchors.right: parent.right
anchors.top: parent.top
height: timeDisplay.labelsHeight
color: Theme.color(Theme.PanelStatusBarBackgroundColor)
}
Item {
x: -(timeDisplay.offsetX % timeDisplay.pixelsPerBlock)
y: 0
id: timeDisplayArea
property int firstBlock: timeDisplay.offsetX / timeDisplay.pixelsPerBlock
property int offset: repeater.model > 0 ? repeater.model - (firstBlock % repeater.model) : 0;
Repeater {
id: repeater
model: Math.max(0, Math.floor(timeDisplay.width / timeDisplay.initialBlockLength * 2
+ 2))
Item {
id: timeDisplayItem
// Changing the text in text nodes is expensive. We minimize the number of changes
// by rotating the nodes during scrolling.
property int stableIndex: (index + timeDisplayArea.offset) % repeater.model
height: timeDisplay.height
y: 0
x: width * stableIndex
width: timeDisplay.pixelsPerBlock
property double blockStartTime: (timeDisplayArea.firstBlock + stableIndex)
* timeDisplay.timePerBlock
+ timeDisplay.alignedWindowStart
TimelineText {
id: timeLabel
anchors.top: parent.top
anchors.left: parent.left
anchors.right: parent.right
height: timeDisplay.labelsHeight
font.pixelSize: timeDisplay.fontSize
anchors.rightMargin: timeDisplay.textMargin
verticalAlignment: Text.AlignVCenter
text: TimeFormatter.format(timeDisplayItem.blockStartTime,
timeDisplay.rangeDuration)
visible: width > 0
color: Theme.color(Theme.PanelTextColorLight)
elide: Text.ElideLeft
}
Row {
anchors.left: parent.left
anchors.right: parent.right
anchors.top: timeLabel.bottom
anchors.bottom: parent.bottom
Repeater {
model: 4
Item {
anchors.top: parent.top
anchors.bottom: parent.bottom
width: timeDisplay.pixelsPerSection
Rectangle {
visible: timeDisplayItem.stableIndex !== 0
|| (-timeDisplayArea.x < parent.x + x)
color: Theme.color(Theme.Timeline_DividerColor)
width: 1
anchors.top: parent.top
anchors.bottom: parent.bottom
anchors.right: parent.right
}
}
}
}
Rectangle {
color: Theme.color(Theme.Timeline_DividerColor)
width: 1
anchors.top: parent.top
anchors.bottom: parent.bottom
anchors.right: parent.right
}
}
}
}
}
|
