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authorJerome Pasion <jerome.pasion@nokia.com>2011-03-09 16:37:37 (GMT)
committerJerome Pasion <jerome.pasion@nokia.com>2011-03-09 16:37:37 (GMT)
commit421a9648767f8de54cf2b9460aaf15d754f5dccd (patch)
treeb4b533269069bc3245b3be21869e6789a00de006 /demos/mobile/guitartuner/src/mycomponents/Adjuster.qml
parent19a485bd205690561b91d6bdf4c2e5310511d075 (diff)
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Adding quickhit and guitartuner mobile demos.
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative 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 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 1.0
+import "adjustbars.js" as AdjustBars
+
+/* A barchart-like adjuster component. */
+Rectangle {
+ id: adjuster
+
+ property real max: 100
+ property real value: 0
+ property bool created: false
+
+ signal valueChanged(real value)
+ signal focusChangedByClick()
+ signal arrowPressedWhenValueOverLimits()
+
+ function setValue(pValue) {
+ value = pValue;
+ AdjustBars.fillBars(value/max*AdjustBars.maxBars);
+ valueChanged(value);
+ }
+
+ height: 60; width: 300
+ color: "transparent"
+ Keys.onRightPressed: {
+ var val = value+max/AdjustBars.maxBars;
+ if (val <= max) {
+ value = val;
+ AdjustBars.fillBars(value/max*AdjustBars.maxBars);
+ valueChanged(value);
+ }
+ else {
+ arrowPressedWhenValueOverLimits()
+ }
+ }
+ Keys.onLeftPressed: {
+ var val = value-max/AdjustBars.maxBars;
+ if (0 <= val) {
+ value = val;
+ AdjustBars.fillBars(value/max*AdjustBars.maxBars);
+ valueChanged(value);
+ }
+ else {
+ arrowPressedWhenValueOverLimits()
+ }
+ }
+ Component.onCompleted: {
+ AdjustBars.createBars();
+ AdjustBars.fillBars(value/max*AdjustBars.maxBars);
+ created = true;
+ }
+ Component.onDestruction: {
+ AdjustBars.destroyBars;
+ }
+ //Dynamic objects have to be recreated when the window size changes.
+ onWidthChanged: {
+ if (created) {
+ AdjustBars.destroyBars();
+ AdjustBars.createBars();
+ AdjustBars.fillBars(value/max*AdjustBars.maxBars);
+ }
+ }
+ onHeightChanged: {
+ if (created) {
+ AdjustBars.destroyBars();
+ AdjustBars.createBars();
+ AdjustBars.fillBars(value/max*AdjustBars.maxBars);
+ }
+ }
+
+ MouseArea {
+ anchors.fill: parent
+ onPositionChanged: {
+ focusChangedByClick();
+ var val = mouse.x/parent.width*parent.max;
+ if (0 < val && val < max) {
+ parent.value = val;
+ AdjustBars.fillBars(parent.value/parent.max*AdjustBars.maxBars);
+ valueChanged(parent.value);
+ }
+ }
+ onClicked: {
+ focusChangedByClick();
+ var val = mouse.x/parent.width*parent.max;
+ if (0 < val && val < max) {
+ parent.value = val;
+ AdjustBars.fillBars(parent.value/parent.max*AdjustBars.maxBars);
+ valueChanged(parent.value);
+ }
+ }
+ }
+}