added android components

[mardrone] / mardrone / imports / com / nokia / android.1.1 / TextMagnifier.qml

diff --git a/mardrone/imports/com/nokia/android.1.1/TextMagnifier.qml b/mardrone/imports/com/nokia/android.1.1/TextMagnifier.qml
new file mode 100644 (file)
index 0000000..5781b6e
--- /dev/null
+++ b/mardrone/imports/com/nokia/android.1.1/TextMagnifier.qml
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** 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 Qt Components project.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 1.1
+import "AppManager.js" as AppManager
+
+Magnifier {
+    id: root
+
+    property Item editor: parent.editor
+    // Defines the center of the content to be magnified in X axis
+    // Note: the center of the content to be magnified in Y axis is determined by the cursor position.
+    property variant contentCenter: Qt.point(0, 0) //editor's coordinate system
+    property bool platformInverted: false
+
+    function show() {
+        parent = AppManager.rootObject();
+        sourceRect = internal.calculateSourceGeometry();
+        internal.calculatePosition();
+        root.visible = true;
+    }
+
+    function hide() {
+        root.visible = false;
+    }
+
+    sourceRect: Qt.rect(0, 0, 0, 0)
+    visible: false
+    scaleFactor: 1.5
+    maskFileName: root.platformInverted ? ":/graphics_1_1/qtg_graf_magnifier_mask_inverse.svg"
+                                        : ":/graphics_1_1/qtg_graf_magnifier_mask.svg"
+    overlayFileName: root.platformInverted ? ":/graphics_1_1/qtg_graf_magnifier_inverse.svg"
+                                           : ":/graphics_1_1/qtg_graf_magnifier.svg"
+
+    onContentCenterChanged: internal.updateSourceRect()
+
+    onSourceRectChanged: if (visible) internal.calculatePosition()
+
+    Connections {
+        target: editor
+        onCursorPositionChanged: internal.updateSourceRect
+    }
+
+    // Private
+    QtObject {
+        id: internal
+
+        function updateSourceRect () {
+            if (visible)
+                sourceRect = internal.calculateSourceGeometry();
+        }
+
+        function calculatePosition() {
+            width = sourceRect.width * scaleFactor;
+            height = sourceRect.height * scaleFactor;
+
+            var magnifierMargin = -platformStyle.paddingLarge; // the offset between the magnifier and top of the line
+            var pos = parent.mapFromItem(editor,
+                                         contentCenter.x - width/2,
+                                         contentCenter.y - sourceRect.height/2 - height - magnifierMargin);
+
+            root.x = pos.x;
+            root.y = pos.y;
+        }
+
+        // Calculates and returns the source geometry of the content to be magnified in scene coordinates
+        function calculateSourceGeometry() {
+            var magniferSize = Qt.size(platformStyle.graphicSizeMedium * 2, platformStyle.graphicSizeMedium * 2);
+            var sourceSize = Qt.size(magniferSize.width / scaleFactor, magniferSize.height / scaleFactor);
+            var contentCenterScene = editor.mapToItem(null, contentCenter.x, contentCenter.y);
+
+            var rect = Qt.rect(contentCenterScene.x - sourceSize.width / 2,
+                               contentCenterScene.y - sourceSize.height / 2,
+                               sourceSize.width, sourceSize.height);
+            return rect;
+        }
+    }
+}