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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.2
import QtQuick.Controls 1.2
import QtQuick.Controls.Private 1.0
Loader {
id: handle
property Item editor
property int minimum: -1
property int maximum: -1
property int position: -1
property alias delegate: handle.sourceComponent
readonly property alias pressed: mouse.pressed
readonly property real handleX: x + (item ? item.x : 0)
readonly property real handleY: y + (item ? item.y : 0)
readonly property real handleWidth: item ? item.width : 0
readonly property real handleHeight: item ? item.height : 0
property Item control
property QtObject styleData: QtObject {
id: styleData
signal activated()
readonly property alias pressed: mouse.pressed
readonly property alias position: handle.position
readonly property bool hasSelection: editor.selectionStart !== editor.selectionEnd
readonly property real lineHeight: position !== -1 ? editor.positionToRectangle(position).height
: editor.cursorRectangle.height
}
function activate() {
styleData.activated()
}
MouseArea {
id: mouse
anchors.fill: item
enabled: item && item.visible
preventStealing: true
property real pressX
property point offset
property bool handleDragged: false
onPressed: {
Qt.inputMethod.commit()
handleDragged = false
pressX = mouse.x
var handleRect = editor.positionToRectangle(handle.position)
var centerX = handleRect.x + (handleRect.width / 2)
var centerY = handleRect.y + (handleRect.height / 2)
var center = mapFromItem(editor, centerX, centerY)
offset = Qt.point(mouseX - center.x, mouseY - center.y)
}
onReleased: {
if (!handleDragged) {
// The user just clicked on the handle. In that
// case clear the selection.
var mousePos = editor.mapFromItem(item, mouse.x, mouse.y)
var editorPos = editor.positionAt(mousePos.x, mousePos.y)
editor.select(editorPos, editorPos)
}
}
onPositionChanged: {
handleDragged = true
var pt = mapToItem(editor, mouse.x - offset.x, mouse.y - offset.y)
// limit vertically within mix/max coordinates or content bounds
var min = (minimum !== -1) ? minimum : 0
var max = (maximum !== -1) ? maximum : editor.length
pt.y = Math.max(pt.y, editor.positionToRectangle(min).y)
pt.y = Math.min(pt.y, editor.positionToRectangle(max).y)
var pos = editor.positionAt(pt.x, pt.y)
// limit horizontally within min/max character positions
if (minimum !== -1)
pos = Math.max(pos, minimum)
pos = Math.max(pos, 0)
if (maximum !== -1)
pos = Math.min(pos, maximum)
pos = Math.min(pos, editor.length)
handle.position = pos
}
}
}
|
