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Diffstat (limited to 'examples/quick/text/textselection/textselection.qml')
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1 files changed, 211 insertions, 0 deletions
diff --git a/examples/quick/text/textselection/textselection.qml b/examples/quick/text/textselection/textselection.qml new file mode 100644 index 0000000000..7938ce5bf7 --- /dev/null +++ b/examples/quick/text/textselection/textselection.qml @@ -0,0 +1,211 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples 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 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 + +Rectangle { + id: editor + color: "lightGrey" + width: 640; height: 480 + + Rectangle { + color: "white" + anchors.fill: parent + anchors.margins: 20 + + BorderImage { + id: startHandle + source: "pics/startHandle.sci" + opacity: 0.0 + width: 10 + x: edit.positionToRectangle(edit.selectionStart).x - flick.contentX-width + y: edit.positionToRectangle(edit.selectionStart).y - flick.contentY + height: edit.positionToRectangle(edit.selectionStart).height + } + + BorderImage { + id: endHandle + source: "pics/endHandle.sci" + opacity: 0.0 + width: 10 + x: edit.positionToRectangle(edit.selectionEnd).x - flick.contentX + y: edit.positionToRectangle(edit.selectionEnd).y - flick.contentY + height: edit.positionToRectangle(edit.selectionEnd).height + } + + Flickable { + id: flick + + anchors.fill: parent + contentWidth: edit.paintedWidth + contentHeight: edit.paintedHeight + interactive: true + clip: true + + function ensureVisible(r) { + if (contentX >= r.x) + contentX = r.x; + else if (contentX+width <= r.x+r.width) + contentX = r.x+r.width-width; + if (contentY >= r.y) + contentY = r.y; + else if (contentY+height <= r.y+r.height) + contentY = r.y+r.height-height; + } + + TextEdit { + id: edit + width: flick.width + height: flick.height + focus: true + wrapMode: TextEdit.Wrap + textFormat: TextEdit.RichText + + onCursorRectangleChanged: flick.ensureVisible(cursorRectangle) + + text: "<h1>Text Selection</h1>" + +"<p>This example is a whacky text selection mechanisms, showing how these can be implemented in the TextEdit element, to cater for whatever style is appropriate for the target platform." + +"<p><b>Press-and-hold</b> to select a word, then drag the selection handles." + +"<p><b>Drag outside the selection</b> to scroll the text." + +"<p><b>Click inside the selection</b> to cut/copy/paste/cancel selection." + +"<p>It's too whacky to let you paste if there is no current selection." + + } + } + + Item { + id: menu + opacity: 0.0 + width: 100 + height: 120 + anchors.centerIn: parent + + Rectangle { + border.width: 1 + border.color: "darkBlue" + radius: 15 + color: "#806080FF" + anchors.fill: parent + } + + Column { + anchors.centerIn: parent + spacing: 8 + + Rectangle { + border.width: 1 + border.color: "darkBlue" + color: "#ff7090FF" + width: 60 + height: 16 + + Text { anchors.centerIn: parent; text: "Cut" } + + MouseArea { + anchors.fill: parent + onClicked: { edit.cut(); editor.state = "" } + } + } + + Rectangle { + border.width: 1 + border.color: "darkBlue" + color: "#ff7090FF" + width: 60 + height: 16 + + Text { anchors.centerIn: parent; text: "Copy" } + + MouseArea { + anchors.fill: parent + onClicked: { edit.copy(); editor.state = "selection" } + } + } + + Rectangle { + border.width: 1 + border.color: "darkBlue" + color: "#ff7090FF" + width: 60 + height: 16 + + Text { anchors.centerIn: parent; text: "Paste" } + + MouseArea { + anchors.fill: parent + onClicked: { edit.paste(); edit.cursorPosition = edit.selectionEnd; editor.state = "" } + } + } + + Rectangle { + border.width: 1 + border.color: "darkBlue" + color: "#ff7090FF" + width: 60 + height: 16 + + Text { anchors.centerIn: parent; text: "Deselect" } + + MouseArea { + anchors.fill: parent + onClicked: { + edit.cursorPosition = edit.selectionEnd; + edit.deselect(); + editor.state = "" + } + } + } + } + } + } + + states: [ + State { + name: "selection" + PropertyChanges { target: startHandle; opacity: 1.0 } + PropertyChanges { target: endHandle; opacity: 1.0 } + }, + State { + name: "menu" + PropertyChanges { target: startHandle; opacity: 0.5 } + PropertyChanges { target: endHandle; opacity: 0.5 } + PropertyChanges { target: menu; opacity: 1.0 } + } + ] +} |