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
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Components project.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.0
import QtDesktop 1.0
Menu {
id: root
property string selectedText: itemTextAt(selectedIndex)
property string hoveredText: itemTextAt(hoveredIndex)
property string textRole
// 'centerSelectedText' means that the menu will be positioned
// so that the selected text' top left corner will be at x, y.
property bool centerSelectedText: true
visible: false
onMenuClosed: visible = false
onModelChanged: if (Component.status === Component.Ready && model !== undefined) rebuildMenu()
Component.onCompleted: if (model !== undefined) rebuildMenu()
onHoveredIndexChanged: {
if (hoveredIndex < menuItems.length)
menuItems[hoveredIndex].hovered()
}
onSelectedIndexChanged: {
if (hoveredIndex < menuItems.length)
menuItems[hoveredIndex].selected()
}
onVisibleChanged: {
if (visible) {
var globalPos = mapToItem(null, x, y)
showPopup(globalPos.x, globalPos.y, centerSelectedText ? selectedIndex : 0)
} else {
hidePopup()
}
}
function rebuildMenu()
{
clearMenuItems();
for (var i=0; i<menuItems.length; ++i)
addMenuItem(menuItems[i].text)
var nativeModel = root.hasNativeModel()
if (model !== undefined) {
var modelCount = nativeModel ? root.modelCount() : model.count;
for (var j = 0 ; j < modelCount; ++j) {
var textValue
if (nativeModel) {
textValue = root.modelTextAt(j);
} else {
if (textRole !== "")
textValue = model.get(j)[textRole]
else if (model.count > 0 && root.model.get && root.model.get(0)) {
// ListModel with one role
var listElement = root.model.get(0)
var oneRole = true
var roleName = ""
var roleCount = 0
for (var role in listElement) {
if (!roleName || role === "text")
roleName = role
++roleCount
}
if (roleCount > 1 && roleName !== "text") {
oneRole = false
console.log("Warning: No textRole set for ComboBox.")
break
}
if (oneRole) {
root.textRole = roleName
textValue = root.model.get(j)[textRole]
}
}
}
addMenuItem(textValue)
}
}
}
}
|
