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/***************************************************************************
**
** This file is part of the QML Presentation System **
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).*
**
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** 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."
**
**************************************************************************/
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: "black"
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.resources.length; ++i) {
var r = root.resources[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()
}
}
Window {
id: notesWindow;
width: 400
height: 300
windowTitle: "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 == "";
}
}
}
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