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
|
// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Controls
Rectangle {
id: page
property real ratio: width / 320 < height / 440 ? width / 320 : height / 440
property int elementSpacing: 6.3 * ratio
width: 320
height: 440
Button {
anchors.top: parent.top
anchors.right: parent.right
anchors.margins: 10
text: hidingRect.visible ? qsTr("Hide") : qsTr("Show")
onClicked: hidingRect.visible = !hidingRect.visible
}
// Create column with four rectangles, the fourth one is hidden
Column {
id: column
anchors.top: parent.top
anchors.left: parent.left
anchors.leftMargin: page.width / 32
anchors.topMargin: page.height / 48
spacing: page.elementSpacing
//! [0]
Rectangle {
id: green
color: "#80c342"
width: 100 * page.ratio
height: 100 * page.ratio
Text {
anchors.left: parent.right
anchors.leftMargin: 20
anchors.verticalCenter: parent.verticalCenter
text: qsTr("Index: %1%2%3").arg(parent.Positioner.index)
.arg(parent.Positioner.isFirstItem ? qsTr(" (First)") : "")
.arg(parent.Positioner.isLastItem ? qsTr(" (Last)") : "")
}
// When mouse is clicked, display the values of the positioner
MouseArea {
anchors.fill: parent
onClicked: column.showInfo(green.Positioner)
}
}
//! [0]
Rectangle {
id: blue
color: "#14aaff"
width: 100 * page.ratio
height: 100 * page.ratio
Text {
anchors.left: parent.right
anchors.leftMargin: 20
anchors.verticalCenter: parent.verticalCenter
text: qsTr("Index: %1%2%3").arg(parent.Positioner.index)
.arg(parent.Positioner.isFirstItem ? qsTr(" (First)") : "")
.arg(parent.Positioner.isLastItem ? qsTr(" (Last)") : "")
}
// When mouse is clicked, display the values of the positioner
MouseArea {
anchors.fill: parent
onClicked: column.showInfo(blue.Positioner)
}
}
Rectangle {
id: purple
color: "#6400aa"
width: 100 * page.ratio
height: 100 * page.ratio
Text {
anchors.left: parent.right
anchors.leftMargin: 20
anchors.verticalCenter: parent.verticalCenter
text: qsTr("Index: %1%2%3").arg(parent.Positioner.index)
.arg(parent.Positioner.isFirstItem ? qsTr(" (First)") : "")
.arg(parent.Positioner.isLastItem ? qsTr(" (Last)") : "")
}
// When mouse is clicked, display the values of the positioner
MouseArea {
anchors.fill: parent
onClicked: column.showInfo(purple.Positioner)
}
}
// This rectangle is not visible, so it doesn't have a positioner value
Rectangle {
id: hidingRect
color: "#006325"
width: 100 * page.ratio
height: 100 * page.ratio
visible: false
Text {
anchors.left: parent.right
anchors.leftMargin: 20
anchors.verticalCenter: parent.verticalCenter
text: qsTr("Index: %1%2%3").arg(parent.Positioner.index)
.arg(parent.Positioner.isFirstItem ? qsTr(" (First)") : "")
.arg(parent.Positioner.isLastItem ? qsTr(" (Last)") : "")
}
}
// Print the index of the child item in the positioner and convenience
// properties showing if it's the first or last item.
function showInfo(positioner) {
console.log(qsTr("Item Index = ") + positioner.index)
console.log(qsTr(" isFirstItem = ") + positioner.isFirstItem)
console.log(qsTr(" isLastItem = ") + positioner.isLastItem)
}
}
}
|
