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Diffstat (limited to 'basicsuite/qt5-launchpresentation/presentation/Presentation.qml')
| -rw-r--r-- | basicsuite/qt5-launchpresentation/presentation/Presentation.qml | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/basicsuite/qt5-launchpresentation/presentation/Presentation.qml b/basicsuite/qt5-launchpresentation/presentation/Presentation.qml new file mode 100644 index 0000000..fc9ea4c --- /dev/null +++ b/basicsuite/qt5-launchpresentation/presentation/Presentation.qml @@ -0,0 +1,196 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QML Presentation System. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Digia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +import QtQuick 2.0 +import QtQuick.Window 2.0 + +Item { + id: root + + property variant slides: [] + property int currentSlide; + + property bool showNotes: false; + + property color titleColor: textColor; + property color textColor: "black" + property string fontFamily: "Helvetica" + property string codeFontFamily: "Courier New" + + // Private API + property bool _faded: false + property int _userNum; + + Component.onCompleted: { + var slideCount = 0; + var slides = []; + for (var i=0; i<root.children.length; ++i) { + var r = root.children[i]; + if (r.isSlide) { + slides.push(r); + } + } + + root.slides = slides; + root._userNum = 0; + + // Make first slide visible... + if (root.slides.length > 0) { + root.currentSlide = 0; + root.slides[root.currentSlide].visible = true; + } + } + + function switchSlides(from, to, forward) { + from.visible = false + to.visible = true + return true + } + + function goToNextSlide() { + root._userNum = 0 + if (_faded) + return + if (root.currentSlide + 1 < root.slides.length) { + var from = slides[currentSlide] + var to = slides[currentSlide + 1] + if (switchSlides(from, to, true)) { + currentSlide = currentSlide + 1; + root.focus = true; + } + } + } + + function goToPreviousSlide() { + root._userNum = 0 + if (root._faded) + return + if (root.currentSlide - 1 >= 0) { + var from = slides[currentSlide] + var to = slides[currentSlide - 1] + if (switchSlides(from, to, false)) { + currentSlide = currentSlide - 1; + root.focus = true; + } + } + } + + function goToUserSlide() { + --_userNum; + if (root._faded || _userNum >= root.slides.length) + return + if (_userNum < 0) + goToNextSlide() + else if (root.currentSlide != _userNum) { + var from = slides[currentSlide] + var to = slides[_userNum] + if (switchSlides(from, to, _userNum > currentSlide)) { + currentSlide = _userNum; + root.focus = true; + } + } + } + + focus: true + + Keys.onSpacePressed: goToNextSlide() + Keys.onRightPressed: goToNextSlide() + Keys.onDownPressed: goToNextSlide() + Keys.onLeftPressed: goToPreviousSlide() + Keys.onUpPressed: goToPreviousSlide() + Keys.onEscapePressed: Qt.quit() + Keys.onPressed: { + if (event.key >= Qt.Key_0 && event.key <= Qt.Key_9) + _userNum = 10 * _userNum + (event.key - Qt.Key_0) + else { + if (event.key == Qt.Key_Return || event.key == Qt.Key_Enter) + goToUserSlide(); + else if (event.key == Qt.Key_Backspace) + goToPreviousSlide(); + else if (event.key == Qt.Key_C) + root._faded = !root._faded; + _userNum = 0; + } + } + + Rectangle { + z: 1000 + color: "black" + anchors.fill: parent + opacity: root._faded ? 1 : 0 + Behavior on opacity { NumberAnimation { duration: 250 } } + } + + MouseArea { + id: mouseArea + anchors.fill: parent + acceptedButtons: Qt.LeftButton | Qt.RightButton + onClicked: { + if (mouse.button == Qt.RightButton) + goToPreviousSlide() + else + goToNextSlide() + } + onPressAndHold: goToPreviousSlide(); //A back mechanism for touch only devices + } + + Window { + id: notesWindow; + width: 400 + height: 300 + + title: "QML Presentation: Notes" + visible: root.showNotes + + Text { + anchors.fill: parent + anchors.margins: parent.height * 0.1; + + font.pixelSize: 16 + wrapMode: Text.WordWrap + + property string notes: root.slides[root.currentSlide].notes; + text: notes == "" ? "Slide has no notes..." : notes; + font.italic: notes == ""; + } + } +} |