307 lines
9.6 KiB
QML
307 lines
9.6 KiB
QML
/*
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* Copyright (C) 2011 by Daker Fernandes Pinheiro <dakerfp@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**Documentanted API
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Inherits:
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Item
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Imports:
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QtQuick 1.1
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org.kde.plasma.core 0.1
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Description:
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Creates a simple plasma theme based text area.
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Like kates..
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Properties:
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alias font:
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Sets the font for the text area.
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int inputMethodHints:
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bool errorHighlight:
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If it is true then the problematic lines will be highlighted.
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alias cursorPosition:
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Returns the cursor's position.
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alias horizontalAlignment:
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TODO
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alias verticalAlignment:TODO
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alias readOnly:
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If this property is set to true the text cannot be edited by user interaction.
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alias selectedText:
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This read-only property provides the text currently selected in the text edit.
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alias selectionEnd:
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The cursor position after the last character in the current selection.
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This property is read-only.
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property alias selectionStart:
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The cursor position before the first character in the current selection.
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This property is read-only.
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property alias text:
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The text to display
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property alias textFormat:
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The way the text property should be displayed.
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TextEdit.AutoText
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TextEdit.PlainText
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TextEdit.RichText
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TextEdit.StyledText
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alias wrapMode:
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Set this property to wrap the text to the TextEdit item's width.
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TextEdit.NoWrap - no wrapping will be performed. If the text contains insufficient
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newlines, then implicitWidth will exceed a set width.
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TextEdit.WordWrap - wrapping is done on word boundaries only.
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If a word is too long, implicitWidth will exceed a set width.
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TextEdit.WrapAnywhere - wrapping is done at any point on a line,
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even if it occurs in the middle of a word.
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TextEdit.Wrap - if possible, wrapping occurs at a word boundary;
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otherwise it will occur at the appropriate point on the line, even in the middle of a word.
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string placeholderText:TODO
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alias interactive:
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This property describes whether the user can interact with the Flickable. A user
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cannot drag or flick a Flickable that is not interactive.
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This property is useful for temporarily disabling flicking. This allows special interaction
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with Flickable's children; for example, you might want to freeze a flickable map while scrolling
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through a pop-up dialog that is a child of the Flickable.
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alias contentMaxWidth:
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Sets the maximum width that the contents can have.
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alias contentMaxHeight:
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Sets the maximum height that the contents can have.
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property real scrollWidth:
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Sets the step that the scrollwidth will move.
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alias activeFocus:
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This property indicates whether the item has active focus.
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An item with active focus will receive keyboard input.
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**/
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import QtQuick 1.1
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import org.kde.plasma.core 0.1 as PlasmaCore
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Item {
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id: textArea
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// Common API
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property alias font: textEdit.font // alias to textEdit.font
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property int inputMethodHints
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property bool errorHighlight
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property alias cursorPosition: textEdit.cursorPosition
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property alias horizontalAlignment: textEdit.cursorPosition
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property alias verticalAlignment: textEdit.cursorPosition
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property alias readOnly: textEdit.readOnly
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property alias selectedText: textEdit.selectedText // read-only
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property alias selectionEnd: textEdit.selectionEnd // read-only
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property alias selectionStart: textEdit.selectionStart // read-only
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property alias text: textEdit.text
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property alias textFormat: textEdit.textFormat // enumeration
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property alias wrapMode: textEdit.wrapMode // enumeration
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property string placeholderText
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// functions
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function copy() {
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textEdit.copy();
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}
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function paste() {
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textEdit.paste();
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}
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function cut() {
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textEdit.cut();
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}
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function select(start, end) {
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textEdit.select(start, end);
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}
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function selectAll() {
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textEdit.selectAll();
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}
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function selectWord() {
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textEdit.selectWord();
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}
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function positionAt(pos) {
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textEdit.positionAt(pos);
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}
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function positionToRectangle(pos) {
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textEdit.positionToRectangle(pos);
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}
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// Plasma API
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property alias interactive: flickArea.interactive
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property alias contentMaxWidth: textEdit.width
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property alias contentMaxHeight: textEdit.height
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// Set active focus to it's internal textInput.
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// Overriding QtQuick.Item forceActiveFocus function.
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function forceActiveFocus() {
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textEdit.forceActiveFocus();
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}
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// Overriding QtQuick.Item activeFocus property.
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property alias activeFocus: textEdit.activeFocus
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opacity: enabled ? 1.0 : 0.5
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TextFieldFocus {
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id: hover
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state: textArea.activeFocus ? "focus" : (mouseWatcher.containsMouse ? "hover" : "hidden")
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anchors.fill: base
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}
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MouseArea {
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id: mouseWatcher
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anchors.fill: hover
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hoverEnabled: true
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}
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PlasmaCore.FrameSvgItem {
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id: base
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// TODO: see what is the best policy for margins
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anchors {
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fill: parent
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}
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imagePath: "widgets/lineedit"
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prefix: "base"
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}
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Flickable {
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id: flickArea
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anchors {
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fill: parent
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leftMargin: 2 * base.margins.left
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rightMargin: 2 * base.margins.right + (verticalScroll.visible ? verticalScroll.width : 0)
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topMargin: 2 * base.margins.top
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bottomMargin: 2 * base.margins.bottom + (horizontalScroll.visible ? verticalScroll.width : 0)
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}
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interactive: !verticalScroll.interactive //textArea.activeFocus
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contentWidth: {
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if (textEdit.wrapMode == TextEdit.NoWrap)
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return textEdit.paintedWidth;
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return Math.min(textEdit.paintedWidth, textEdit.width);
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}
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contentHeight: Math.min(textEdit.paintedHeight, textEdit.height)
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clip: true
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TextEdit {
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id: textEdit
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width: flickArea.width
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height: flickArea.height
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clip: true
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wrapMode: TextEdit.Wrap
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enabled: textArea.enabled
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font.capitalization: theme.defaultFont.capitalization
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font.family: theme.defaultFont.family
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font.italic: theme.defaultFont.italic
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font.letterSpacing: theme.defaultFont.letterSpacing
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font.pointSize: theme.defaultFont.pointSize
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font.strikeout: theme.defaultFont.strikeout
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font.underline: theme.defaultFont.underline
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font.weight: theme.defaultFont.weight
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font.wordSpacing: theme.defaultFont.wordSpacing
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color: theme.viewTextColor
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selectByMouse: verticalScroll.interactive
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onCursorPositionChanged: {
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if (cursorRectangle.x < flickArea.contentX) {
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flickArea.contentX = cursorRectangle.x;
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return;
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}
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if (cursorRectangle.x > flickArea.contentX +
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flickArea.width - cursorRectangle.width) {
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flickArea.contentX = cursorRectangle.x -
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cursorRectangle.width;
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return;
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}
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if (cursorRectangle.y < flickArea.contentY) {
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flickArea.contentY = cursorRectangle.y;
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return;
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}
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if (cursorRectangle.y > flickArea.contentY +
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flickArea.height - cursorRectangle.height) {
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flickArea.contentY = cursorRectangle.y -
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cursorRectangle.height;
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return;
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}
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}
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// Proxying keys events is not required by the
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// common API but is desired in the plasma API.
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Keys.onPressed: textArea.Keys.pressed(event);
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Keys.onReleased: textArea.Keys.released(event);
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Text {
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anchors.fill: parent
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text: textArea.placeholderText
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visible: textEdit.text == "" && !textArea.activeFocus
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opacity: 0.5
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}
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}
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}
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ScrollBar {
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id: horizontalScroll
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anchors {
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bottom: parent.bottom
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left: parent.left
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right: flickArea.right
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}
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enabled: parent.enabled
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flickableItem: flickArea
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orientation: Qt.Horizontal
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stepSize: textEdit.font.pixelSize
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}
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ScrollBar {
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id: verticalScroll
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anchors {
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right: parent.right
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top: parent.top
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bottom: flickArea.bottom
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}
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enabled: parent.enabled
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flickableItem: flickArea
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orientation: Qt.Vertical
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stepSize: textEdit.font.pixelSize
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}
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} |