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
164
165
166
167
168
169
170
171
172
173
174
175
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the manual tests of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.12
import "content"
Rectangle {
width: 1024; height: 600
color: "#eee"
function getTransformationDetails(item, pinchhandler) {
return "\n\npinch.scale:" + pinchhandler.scale.toFixed(2)
+ "\npinch.rotation:" + pinchhandler.rotation.toFixed(2)
+ "\npinch.translation:" + "(" + pinchhandler.translation.x.toFixed(2) + "," + pinchhandler.translation.y.toFixed(2) + ")"
+ "\nrect.scale: " + item.scale.toFixed(2)
+ "\nrect.rotation: " + item.rotation.toFixed(2)
+ "\nrect.position: " + "(" + item.x.toFixed(2) + "," + item.y.toFixed(2) + ")"
}
function activePincher() {
if (grandparentPinch.active)
return grandparentPinch
else if (parentPinch.active)
return parentPinch
else if (pinch2.active)
return pinch2
return pinch3 // always return a pinch handler, even when its inactive. The indicator will be invisble anyway.
}
Rectangle {
width: parent.width - 100; height: parent.height - 100; x: 50; y: 50
color: "beige"
border.width: grandparentPinch.active ? 2 : 0
border.color: border.width > 0 ? "red" : "transparent"
antialiasing: true
PinchHandler {
id: grandparentPinch
objectName: "grandparent pinch"
minimumScale: 0.5
maximumScale: 3
minimumPointCount: 3
}
Text {
text: "Pinch with 3 fingers to scale, rotate and translate"
+ getTransformationDetails(parent, grandparentPinch)
}
Rectangle {
width: parent.width - 100; height: parent.height - 100; x: 50; y: 50
color: "#ffe0e0e0"
antialiasing: true
PinchHandler {
id: parentPinch
objectName: "parent pinch"
minimumScale: 0.5
maximumScale: 3
}
Text {
text: "Pinch with 2 fingers to scale, rotate and translate"
+ getTransformationDetails(parent, parentPinch)
}
Rectangle {
id: rect2
width: 400
height: 300
color: "lightsteelblue"
antialiasing: true
x: 100
y: 200
rotation: 30
transformOrigin: Item.TopRight
border.width: (lsbDragHandler.active || pinch2.active) ? 2 : 0
border.color: border.width > 0 ? "red" : "transparent"
Text {
anchors.centerIn: parent
text: "Pinch with 2 fingers to scale, rotate and translate\nDrag with 1 finger"
+ getTransformationDetails(rect2, pinch2) + "\nz " + rect2.z
}
DragHandler {
id: lsbDragHandler
objectName: "lightsteelblue drag"
}
PinchHandler {
id: pinch2
objectName: "lightsteelblue pinch"
minimumRotation: -45
maximumRotation: 45
minimumScale: 0.5
maximumScale: 3
xAxis.minimum: 0
xAxis.maximum: 600
// acceptedModifiers: Qt.ControlModifier
}
TapHandler { gesturePolicy: TapHandler.DragThreshold; onTapped: rect2.z = rect3.z + 1 }
}
Rectangle {
id: rect3
x: 500
width: 400
height: 300
color: "wheat"
antialiasing: true
border.width: (wheatDragHandler.active || pinch3.active) ? 2 : 0
border.color: border.width > 0 ? "red" : "transparent"
Text {
anchors.centerIn: parent
text: "Pinch with 3 fingers to scale, rotate and translate\nDrag with 1 finger"
+ getTransformationDetails(rect3, pinch3) + "\nz " + rect3.z
}
DragHandler {
id: wheatDragHandler
objectName: "wheat drag"
}
PinchHandler {
id: pinch3
objectName: "wheat 3-finger pinch"
minimumPointCount: 3
minimumScale: 0.1
maximumScale: 10
onActiveChanged: {
if (!active)
anim.restart(centroid.velocity)
}
}
TapHandler { gesturePolicy: TapHandler.DragThreshold; onTapped: rect3.z = rect2.z + 1 }
MomentumAnimation { id: anim; target: rect3 }
}
}
}
Rectangle {
id: centroidIndicator
property QtObject pincher: activePincher()
x: pincher.centroid.scenePosition.x - radius
y: pincher.centroid.scenePosition.y - radius
z: 1
visible: pincher.active
radius: width / 2
width: 10
height: width
color: "red"
}
}
|
