blob: 99c925785ece24a4677d791adce7125ce16bff99 (
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
|
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
import QtQuick 2.2
// KNOWN ISSUES
// none
/*!
\qmltype ModalPopupBehavior
\internal
\inqmlmodule QtQuick.Controls.Private
*/
Item {
id: popupBehavior
property bool showing: false
property bool whenAlso: true // modifier to the "showing" property
property bool consumeCancelClick: true
property int delay: 0 // delay before popout becomes visible
property int deallocationDelay: 3000 // 3 seconds
property Component popupComponent
property alias popup: popupLoader.item // read-only
property alias window: popupBehavior.root // read-only
signal prepareToShow
signal prepareToHide
signal cancelledByClick
// implementation
anchors.fill: parent
onShowingChanged: notifyChange()
onWhenAlsoChanged: notifyChange()
function notifyChange() {
if(showing && whenAlso) {
if(popupLoader.sourceComponent == undefined) {
popupLoader.sourceComponent = popupComponent;
}
} else {
mouseArea.enabled = false; // disable before opacity is changed in case it has fading behavior
if(Qt.isQtObject(popupLoader.item)) {
popupBehavior.prepareToHide();
popupLoader.item.opacity = 0;
}
}
}
property Item root: findRoot()
function findRoot() {
var p = parent;
while(p.parent != undefined)
p = p.parent;
return p;
}
MouseArea {
id: mouseArea
anchors.fill: parent
enabled: false // enabled only when popout is showing
onPressed: {
popupBehavior.showing = false;
mouse.accepted = consumeCancelClick;
cancelledByClick();
}
}
Loader {
id: popupLoader
}
Timer { // visibility timer
running: Qt.isQtObject(popupLoader.item) && showing && whenAlso
interval: delay
onTriggered: {
popupBehavior.prepareToShow();
mouseArea.enabled = true;
popup.opacity = 1;
}
}
Timer { // deallocation timer
running: Qt.isQtObject(popupLoader.item) && popupLoader.item.opacity == 0
interval: deallocationDelay
onTriggered: popupLoader.sourceComponent = undefined
}
states: State {
name: "active"
when: Qt.isQtObject(popupLoader.item) && popupLoader.item.opacity > 0
ParentChange { target: popupBehavior; parent: root }
}
}
|