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Diffstat (limited to 'src/controls/Private/TextHandle.qml')
| -rw-r--r-- | src/controls/Private/TextHandle.qml | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/controls/Private/TextHandle.qml b/src/controls/Private/TextHandle.qml new file mode 100644 index 000000000..34daa4ab0 --- /dev/null +++ b/src/controls/Private/TextHandle.qml @@ -0,0 +1,91 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Quick Controls module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc 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 2.2 + +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 { + readonly property alias pressed: mouse.pressed + readonly property alias position: handle.position + readonly property real lineHeight: position !== -1 ? editor.positionToRectangle(position).height + : editor.cursorRectangle.height + } + + MouseArea { + id: mouse + anchors.fill: item + property point offset + onPressed: offset = Qt.point(x + mouse.x, y + mouse.y) + onPositionChanged: { + 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 - 1 + 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) + if (maximum !== -1) + pos = Math.min(pos, maximum) + + handle.position = pos + } + } +} |