From 730bf7b256f0f06c39f92dad064869f5d1368c62 Mon Sep 17 00:00:00 2001
From: Gunnar Sletta <gunnar.sletta@digia.com>
Date: Tue, 23 Apr 2013 11:19:39 +0200
Subject: fixed up the demo suite

Change-Id: I42dfba551b26f66b8de41dad3df2a5e120c82fb8
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@digia.com>
---
 basicsuite/Shader Effects/ColorSlider.qml | 132 ++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100755 basicsuite/Shader Effects/ColorSlider.qml

(limited to 'basicsuite/Shader Effects/ColorSlider.qml')

diff --git a/basicsuite/Shader Effects/ColorSlider.qml b/basicsuite/Shader Effects/ColorSlider.qml
new file mode 100755
index 0000000..1dc2145
--- /dev/null
+++ b/basicsuite/Shader Effects/ColorSlider.qml	
@@ -0,0 +1,132 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Graphical Effects module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 2.0
+
+Item {
+    id: colorSlider
+
+    property real value: 1
+    property real maximum: 1
+    property real minimum: 0
+    property string caption: ""
+    property bool pressed: mouseArea.pressed
+    property bool integer: false
+    property string handleSource: "images/slider_handle.png"
+    property real handleOpacity: 1.0
+    property alias trackItem: track.children
+
+    width: parent.width
+    height: 20
+
+    function updatePos() {
+        if (maximum > minimum) {
+            var pos = (track.width - 10) * (value - minimum) / (maximum - minimum) + 5;
+            return Math.min(Math.max(pos, 5), track.width - 5) - 10;
+        } else {
+            return 5;
+        }
+    }
+
+    Text {
+        id: captionText
+        width: 110
+        anchors.verticalCenter: parent.verticalCenter
+        horizontalAlignment: Text.AlignRight
+        text: colorSlider.caption + ':'
+        font.family: "Arial"
+        font.pixelSize: 11
+        color: "#B3B3B3"
+    }
+
+    Text {
+        id: valueCaption
+        anchors.left: captionText.right
+        anchors.leftMargin: 11
+        anchors.verticalCenter: parent.verticalCenter
+        width: 35
+        horizontalAlignment: Text.AlignLeft
+        text: colorSlider.value.toFixed(1)
+        font.family: "Arial"
+        font.pixelSize: 11
+        color: "#999999"
+    }
+
+    Item {
+        id: track
+        height: 4
+        anchors.verticalCenter: parent.verticalCenter
+        anchors.left: parent.left
+        anchors.leftMargin: parent.width / 2
+        anchors.right: parent.right
+        anchors.rightMargin: 10
+
+        Image {
+            id: handle;
+            anchors.verticalCenter: parent.verticalCenter
+            smooth: true
+            source: mouseArea.pressed ? 'images/slider_handle_pressed.png' : colorSlider.handleSource
+            opacity: colorSlider.handleOpacity
+            x: updatePos()
+            z: 1
+        }
+
+        MouseArea {
+            id: mouseArea
+            anchors {left: parent.left; right: parent.right; leftMargin: 5; rightMargin: 5; verticalCenter: parent.verticalCenter}
+            height: 8
+            preventStealing: true
+
+            onPressed: {
+                var handleX = Math.max(0, Math.min(mouseX, mouseArea.width))
+                var realValue = (maximum - minimum) * handleX / mouseArea.width + minimum;
+                value = colorSlider.integer ? Math.round(realValue) : realValue;
+            }
+
+            onPositionChanged: {
+                if (pressed) {
+                    var handleX = Math.max(0, Math.min(mouseX, mouseArea.width))
+                    var realValue = (maximum - minimum) * handleX / mouseArea.width + minimum;
+                    value = colorSlider.integer ? Math.round(realValue) : realValue;
+                }
+            }
+        }
+    }
+}
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