textalignment.qml Example File

righttoleft/textalignment/textalignment.qml
/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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. ** ** BSD License Usage ** Alternatively, 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 The Qt Company Ltd 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: root color: "white" //width: containerColumn.width //height: containerColumn.height + containerColumn.anchors.topMargin width: 320 height: 480 property bool mirror: false property int pxSz: 18 property variant horizontalAlignment: undefined property variant editorType: ["Plain Text", "Styled Text", "Plain Rich Text", "Italic Rich Text", "Plain TextEdit", "Italic TextEdit", "TextInput"] property variant text: ["", " ", "Hello world!", "مرحبا العالم!", "Hello world! Hello!\nHello world! Hello!", "مرحبا العالم! مرحبا! مرحبا العالم! مرحبا!" ,"مرحبا العالم! مرحبا! مرحبا Hello world!\nالعالم! مرحبا!"] property variant description: ["empty text", "white-space-only text", "left-to-right text", "right-to-left text", "multi-line left-to-right text", "multi-line right-to-left text", "multi-line bidi text"] property variant textComponents: [plainTextComponent, styledTextComponent, richTextComponent, italicRichTextComponent, plainTextEdit, italicTextEdit, textInput] function shortText(horizontalAlignment) { // all the different QML editors have // the same alignment values switch (horizontalAlignment) { case Text.AlignLeft: return "L"; case Text.AlignRight: return "R"; case Text.AlignHCenter: return "C"; case Text.AlignJustify: return "J"; default: return "Error"; } } Column { id: containerColumn spacing: 10 width: editorTypeRow.width anchors { top: parent.top; topMargin: 5 } ListView { width: 320 height: 320 id: editorTypeRow model: editorType.length orientation: ListView.Horizontal cacheBuffer: 1000//Load the really expensive ones async if possible delegate: Item { width: editorColumn.width height: editorColumn.height Column { id: editorColumn spacing: 5 width: textColumn.width+10 Text { text: root.editorType[index] font.pixelSize: 16 anchors.horizontalCenter: parent.horizontalCenter } Column { id: textColumn spacing: 5 anchors.horizontalCenter: parent.horizontalCenter Repeater { model: textComponents.length delegate: textComponents[index] } } } } } Column { spacing: 2 width: parent.width Rectangle { // button height: 50; width: parent.width color: mouseArea.pressed ? "black" : "lightgray" Column { anchors.centerIn: parent Text { text: root.mirror ? "Mirrored" : "Not mirrored" color: "white" font.pixelSize: 16 anchors.horizontalCenter: parent.horizontalCenter } Text { text: "(click here to toggle)" color: "white" font.pixelSize: 10 font.italic: true anchors.horizontalCenter: parent.horizontalCenter } } MouseArea { id: mouseArea property int index: 0 anchors.fill: parent onClicked: root.mirror = !root.mirror } } Rectangle { // button height: 50; width: parent.width color: mouseArea2.pressed ? "black" : "gray" Column { anchors.centerIn: parent Text { text: { if (root.horizontalAlignment == undefined) return "Implict alignment"; switch (root.horizontalAlignment) { case Text.AlignLeft: return "Left alignment"; case Text.AlignRight: return "Right alignment"; case Text.AlignHCenter: return "Center alignment"; case Text.AlignJustify: return "Justify alignment"; } } color: "white" font.pixelSize: 16 anchors.horizontalCenter: parent.horizontalCenter } Text { text: "(click here to toggle)" color: "white" font.pixelSize: 10 font.italic: true anchors.horizontalCenter: parent.horizontalCenter } } MouseArea { id: mouseArea2 property int index: 0 anchors.fill: parent onClicked: { if (index < 0) { root.horizontalAlignment = undefined; } else { root.horizontalAlignment = Math.pow(2, index); } index = (index + 2) % 5 - 1; } } } } } Component { id: plainTextComponent Text { width: 180 text: root.text[index] font.pixelSize: pxSz wrapMode: Text.WordWrap horizontalAlignment: root.horizontalAlignment LayoutMirroring.enabled: root.mirror textFormat: Text.RichText Rectangle { z: -1 color: Qt.rgba(0.8, 0.2, 0.2, 0.3) anchors.fill: parent } Text { text: root.description[index] color: Qt.rgba(1,1,1,1.0) anchors.centerIn: parent font.pixelSize: pxSz - 2 Rectangle { z: -1 color: Qt.rgba(0.3, 0, 0, 0.3) anchors { fill: parent; margins: -3 } } } Text { color: "white" text: shortText(parent.horizontalAlignment) anchors { top: parent.top; right: parent.right; margins: 2 } } } } Component { id: styledTextComponent Text { width: 180 text: root.text[index] font.pixelSize: pxSz wrapMode: Text.WordWrap horizontalAlignment: root.horizontalAlignment LayoutMirroring.enabled: root.mirror textFormat: Text.RichText style: Text.Sunken styleColor: "white" Rectangle { z: -1 color: Qt.rgba(0.8, 0.2, 0.2, 0.3) anchors.fill: parent } Text { text: root.description[index] color: Qt.rgba(1,1,1,1.0) anchors.centerIn: parent font.pixelSize: pxSz - 2 Rectangle { z: -1 color: Qt.rgba(0.3, 0, 0, 0.3) anchors { fill: parent; margins: -3 } } } Text { color: "white" text: shortText(parent.horizontalAlignment) anchors { top: parent.top; right: parent.right; margins: 2 } } } } Component { id: richTextComponent Text { width: 180 text: root.text[index] font.pixelSize: pxSz wrapMode: Text.WordWrap horizontalAlignment: root.horizontalAlignment LayoutMirroring.enabled: root.mirror textFormat: Text.RichText Rectangle { z: -1 color: Qt.rgba(0.8, 0.2, 0.2, 0.3) anchors.fill: parent } Text { text: root.description[index] color: Qt.rgba(1,1,1,1.0) anchors.centerIn: parent font.pixelSize: pxSz - 2 Rectangle { z: -1 color: Qt.rgba(0.3, 0, 0, 0.3) anchors { fill: parent; margins: -3 } } } Text { color: "white" text: shortText(parent.horizontalAlignment) anchors { top: parent.top; right: parent.right; margins: 2 } } } } Component { id: italicRichTextComponent Text { width: 180 text: "<i>" + root.text[index] + "</i>" font.pixelSize: pxSz wrapMode: Text.WordWrap horizontalAlignment: root.horizontalAlignment LayoutMirroring.enabled: root.mirror textFormat: Text.RichText property variant backgroundColor: Qt.rgba(0.8, 0.2, 0.2, 0.3) Rectangle { z: -1 color: parent.backgroundColor anchors.fill: parent } Text { text: root.description[index] color: Qt.rgba(1,1,1,1.0) anchors.centerIn: parent font.pixelSize: pxSz - 2 Rectangle { z: -1 color: Qt.rgba(0.3, 0, 0, 0.3) anchors { fill: parent; margins: -3 } } } Text { color: "white" text: shortText(parent.horizontalAlignment) anchors { top: parent.top; right: parent.right; margins: 2 } } } } Component { id: plainTextEdit TextEdit { width: 180 text: root.text[index] font.pixelSize: pxSz cursorVisible: true wrapMode: TextEdit.WordWrap horizontalAlignment: root.horizontalAlignment LayoutMirroring.enabled: root.mirror Rectangle { z: -1 color: Qt.rgba(0.5, 0.5, 0.2, 0.3) anchors.fill: parent } Text { text: root.description[index] color: Qt.rgba(1,1,1,1.0) anchors.centerIn: parent font.pixelSize: pxSz - 2 Rectangle { z: -1 color: Qt.rgba(0.3, 0, 0, 0.3) anchors { fill: parent; margins: -3 } } } Text { color: "white" text: shortText(parent.horizontalAlignment) anchors { top: parent.top; right: parent.right; margins: 2 } } } } Component { id: italicTextEdit TextEdit { width: 180 text: "<i>" + root.text[index] + "<i>" font.pixelSize: pxSz cursorVisible: true wrapMode: TextEdit.WordWrap textFormat: TextEdit.RichText horizontalAlignment: root.horizontalAlignment LayoutMirroring.enabled: root.mirror Rectangle { z: -1 color: Qt.rgba(0.5, 0.5, 0.2, 0.3) anchors.fill: parent } Text { text: root.description[index] color: Qt.rgba(1,1,1,1.0) anchors.centerIn: parent font.pixelSize: pxSz - 2 Rectangle { z: -1 color: Qt.rgba(0.3, 0, 0, 0.3) anchors { fill: parent; margins: -3 } } } Text { color: "white" text: shortText(parent.horizontalAlignment) anchors { top: parent.top; right: parent.right; margins: 2 } } } } Component { id: textInput Item { width: 180 height: textInput.text.length > 20 ? 3*textInput.height : textInput.height TextInput { id: textInput width: 180 text: root.text[index] font.pixelSize: pxSz cursorVisible: true horizontalAlignment: root.horizontalAlignment LayoutMirroring.enabled: root.mirror Rectangle { z: -1 color: Qt.rgba(0.6, 0.4, 0.2, 0.3) anchors.fill: parent } Text { text: root.description[index] color: Qt.rgba(1,1,1,1.0) anchors.centerIn: parent font.pixelSize: pxSz - 2 Rectangle { z: -1 color: Qt.rgba(0.3, 0, 0, 0.3) anchors { fill: parent; margins: -3 } } } Text { color: "white" text: shortText(parent.horizontalAlignment) anchors { top: parent.top; right: parent.right; margins: 2 } } } } } }