/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Quick Controls 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 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 2.2
import QtQuick.Controls 1.2
import QtQuick.Controls.Private 1.0

/*!
    \qmltype TextFieldStyle
    \inqmlmodule QtQuick.Controls.Styles
    \since 5.1
    \ingroup controlsstyling
    \brief Provides custom styling for TextField.

    Example:
    \qml
    TextField {
        style: TextFieldStyle {
            textColor: "black"
            background: Rectangle {
                radius: 2
                implicitWidth: 100
                implicitHeight: 24
                border.color: "#333"
                border.width: 1
            }
        }
    }
    \endqml
*/

Style {
    id: style

    /*! \internal */
    property var __syspal: SystemPalette {
        colorGroup: control.enabled ?
                        SystemPalette.Active : SystemPalette.Disabled
    }
    /*! The \l TextField attached to this style. */
    readonly property TextField control: __control

    /*! The content margins of the text field. */
    padding { top: 4 ; left: Math.round(control.__contentHeight/3) ; right: control.__contentHeight/3 ; bottom: 4 }

    /*! The current font. */
    property font font

    /*! The text color. */
    property color textColor: __syspal.text

    /*! The text highlight color, used behind selections. */
    property color selectionColor: __syspal.highlight

    /*! The highlighted text color, used in selections. */
    property color selectedTextColor: __syspal.highlightedText

    /*!
        \qmlproperty enumeration renderType
        \since QtQuick.Controls.Styles 1.1

        Override the default rendering type for the control.

        Supported render types are:
        \list
        \li Text.QtRendering
        \li Text.NativeRendering - the default
        \endlist

        \sa Text::renderType
    */
    property int renderType: Text.NativeRendering

    /*! The placeholder text color, used when the text field is empty.
        \since QtQuick.Controls.Styles 1.1
    */
    property color placeholderTextColor: Qt.rgba(0, 0, 0, 0.5)

    /*! The background of the text field. */
    property Component background: Item {
        Rectangle {
            anchors.fill: parent
            anchors.bottomMargin: -1
            color: "#44ffffff"
            radius: baserect.radius
        }
        Rectangle {
            id: baserect
            gradient: Gradient {
                GradientStop {color: "#e0e0e0" ; position: 0}
                GradientStop {color: "#fff" ; position: 0.1}
                GradientStop {color: "#fff" ; position: 1}
            }
            radius: control.__contentHeight * 0.16
            anchors.fill: parent
            border.color: control.activeFocus ? "#47b" : "#999"
        }
    }

    /*! \internal */
    property Component panel: Item {
        anchors.fill: parent

        property int topMargin: padding.top
        property int leftMargin: padding.left
        property int rightMargin: padding.right
        property int bottomMargin: padding.bottom

        property color textColor: style.textColor
        property color selectionColor: style.selectionColor
        property color selectedTextColor: style.selectedTextColor

        implicitWidth: backgroundLoader.implicitWidth || Math.round(control.__contentHeight * 8)
        implicitHeight: backgroundLoader.implicitHeight || Math.max(25, Math.round(control.__contentHeight * 1.2))
        baselineOffset: padding.top + control.__baselineOffset

        property color placeholderTextColor: style.placeholderTextColor
        property font font: style.font

        Loader {
            id: backgroundLoader
            sourceComponent: background
            anchors.fill: parent
        }
    }
}
