main.qml Example File

texteditor/qml/main.qml
/****************************************************************************
**
** Copyright (C) 2013 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
import QtQuick.Controls 1.2
import QtQuick.Layouts 1.0
import QtQuick.Dialogs 1.1
import QtQuick.Window 2.1
import org.qtproject.example 1.0

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    minimumWidth: 400
    minimumHeight: 300

    title: document.documentTitle + " - Text Editor Example"

    MessageDialog {
        id: aboutBox
        title: "About Text"
        text: "This is a basic text editor \nwritten with Qt Quick Controls"
        icon: StandardIcon.Information
    }

    Action {
        id: cutAction
        text: "Cut"
        shortcut: "ctrl+x"
        iconSource: "images/editcut.png"
        iconName: "edit-cut"
        onTriggered: textArea.cut()
    }

    Action {
        id: copyAction
        text: "Copy"
        shortcut: "Ctrl+C"
        iconSource: "images/editcopy.png"
        iconName: "edit-copy"
        onTriggered: textArea.copy()
    }

    Action {
        id: pasteAction
        text: "Paste"
        shortcut: "ctrl+v"
        iconSource: "qrc:images/editpaste.png"
        iconName: "edit-paste"
        onTriggered: textArea.paste()
    }

    Action {
        id: alignLeftAction
        text: "&Left"
        iconSource: "images/textleft.png"
        iconName: "format-justify-left"
        shortcut: "ctrl+l"
        onTriggered: document.alignment = Qt.AlignLeft
        checkable: true
        checked: document.alignment == Qt.AlignLeft
    }
    Action {
        id: alignCenterAction
        text: "C&enter"
        iconSource: "images/textcenter.png"
        iconName: "format-justify-center"
        onTriggered: document.alignment = Qt.AlignHCenter
        checkable: true
        checked: document.alignment == Qt.AlignHCenter
    }
    Action {
        id: alignRightAction
        text: "&Right"
        iconSource: "images/textright.png"
        iconName: "format-justify-right"
        onTriggered: document.alignment = Qt.AlignRight
        checkable: true
        checked: document.alignment == Qt.AlignRight
    }
    Action {
        id: alignJustifyAction
        text: "&Justify"
        iconSource: "images/textjustify.png"
        iconName: "format-justify-fill"
        onTriggered: document.alignment = Qt.AlignJustify
        checkable: true
        checked: document.alignment == Qt.AlignJustify
    }

    Action {
        id: boldAction
        text: "&Bold"
        iconSource: "images/textbold.png"
        iconName: "format-text-bold"
        onTriggered: document.bold = !document.bold
        checkable: true
        checked: document.bold
    }

    Action {
        id: italicAction
        text: "&Italic"
        iconSource: "images/textitalic.png"
        iconName: "format-text-italic"
        onTriggered: document.italic = !document.italic
        checkable: true
        checked: document.italic
    }
    Action {
        id: underlineAction
        text: "&Underline"
        iconSource: "images/textunder.png"
        iconName: "format-text-underline"
        onTriggered: document.underline = !document.underline
        checkable: true
        checked: document.underline
    }

    FileDialog {
        id: fileDialog
        nameFilters: ["Text files (*.txt)", "HTML files (*.html)"]
        onAccepted: document.fileUrl = fileUrl
    }

    ColorDialog {
        id: colorDialog
        color: "black"
        onAccepted: document.textColor = color
    }

    Action {
        id: fileOpenAction
        iconSource: "images/fileopen.png"
        iconName: "document-open"
        text: "Open"
        onTriggered: fileDialog.open()
    }

    menuBar: MenuBar {
        Menu {
            title: "&File"
            MenuItem { action: fileOpenAction }
            MenuItem { text: "Quit"; onTriggered: Qt.quit() }
        }
        Menu {
            title: "&Edit"
            MenuItem { action: copyAction }
            MenuItem { action: cutAction }
            MenuItem { action: pasteAction }
        }
        Menu {
            title: "F&ormat"
            MenuItem { action: boldAction }
            MenuItem { action: italicAction }
            MenuItem { action: underlineAction }
            MenuSeparator {}
            MenuItem { action: alignLeftAction }
            MenuItem { action: alignCenterAction }
            MenuItem { action: alignRightAction }
            MenuItem { action: alignJustifyAction }
            MenuSeparator {}
            MenuItem {
                text: "&Color ..."
                onTriggered: {
                    colorDialog.color = document.textColor
                    colorDialog.open()
                }
            }
        }
        Menu {
            title: "&Help"
            MenuItem { text: "About..." ; onTriggered: aboutBox.open() }
        }
    }

    toolBar: ToolBar {
        id: mainToolBar
        width: parent.width
        RowLayout {
            anchors.fill: parent
            spacing: 0
            ToolButton { action: fileOpenAction }

            ToolBarSeparator {}

            ToolButton { action: copyAction }
            ToolButton { action: cutAction }
            ToolButton { action: pasteAction }

            ToolBarSeparator {}

            ToolButton { action: boldAction }
            ToolButton { action: italicAction }
            ToolButton { action: underlineAction }

            ToolBarSeparator {}

            ToolButton { action: alignLeftAction }
            ToolButton { action: alignCenterAction }
            ToolButton { action: alignRightAction }
            ToolButton { action: alignJustifyAction }

            ToolBarSeparator {}

            ToolButton {
                id: colorButton
                property var color : document.textColor
                Rectangle {
                    id: colorRect
                    anchors.fill: parent
                    anchors.margins: 8
                    color: Qt.darker(document.textColor, colorButton.pressed ? 1.4 : 1)
                    border.width: 1
                    border.color: Qt.darker(colorRect.color, 2)
                }
                onClicked: {
                    colorDialog.color = document.textColor
                    colorDialog.open()
                }
            }
            Item { Layout.fillWidth: true }
        }
    }

    ToolBar {
        id: secondaryToolBar
        width: parent.width

        RowLayout {
            anchors.fill: parent
            ComboBox {
                id: fontFamilyComboBox
                implicitWidth: 150
                model: Qt.fontFamilies()
                property bool special : false
                onActivated: {
                    if (special == false || index != 0) {
                        document.fontFamily = textAt(index)
                    }
                }
            }
            SpinBox {
                id: fontSizeSpinBox
                activeFocusOnPress: false
                implicitWidth: 50
                value: 0
                property bool valueGuard: true
                onValueChanged: if (valueGuard) document.fontSize = value
            }
            Item { Layout.fillWidth: true }
        }
    }

    TextArea {
        Accessible.name: "document"
        id: textArea
        frameVisible: false
        width: parent.width
        anchors.top: secondaryToolBar.bottom
        anchors.bottom: parent.bottom
        baseUrl: "qrc:/"
        text: document.text
        textFormat: Qt.RichText
        Component.onCompleted: forceActiveFocus()
    }

    DocumentHandler {
        id: document
        target: textArea
        cursorPosition: textArea.cursorPosition
        selectionStart: textArea.selectionStart
        selectionEnd: textArea.selectionEnd
        Component.onCompleted: document.fileUrl = "qrc:/example.html"
        onFontSizeChanged: {
            fontSizeSpinBox.valueGuard = false
            fontSizeSpinBox.value = document.fontSize
            fontSizeSpinBox.valueGuard = true
        }
        onFontFamilyChanged: {
            var index = Qt.fontFamilies().indexOf(document.fontFamily)
            if (index == -1) {
                fontFamilyComboBox.currentIndex = 0
                fontFamilyComboBox.special = true
            } else {
                fontFamilyComboBox.currentIndex = index
                fontFamilyComboBox.special = false
            }
        }
    }
}

© 2015 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.