/*
*   Copyright (C) 2014 by Marco MArtin <mart@kde.org>
*
*   This program is free software; you can redistribute it and/or modify
*   it under the terms of the GNU Library General Public License as
*   published by the Free Software Foundation; either version 2, or
*   (at your option) any later version.
*
*   This program is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*   GNU Library General Public License for more details
*
*   You should have received a copy of the GNU Library General Public
*   License along with this program; if not, write to the
*   Free Software Foundation, Inc.,
*   51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
*/

import QtQuick 2.0
import QtQuick.Window 2.2
import QtQuick.Controls 1.0
import QtQuick.Controls.Styles 1.1 as QtQuickControlStyle
import QtQuick.Controls.Private 1.0 as QtQuickControlsPrivate

import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.components 2.0 as PlasmaComponents

import "private" as Private

QtQuickControlStyle.TextFieldStyle {
    id: root

    textColor: control.enabled ? theme.viewTextColor : Qt.rgba(theme.viewTextColor.r, theme.viewTextColor.g, theme.viewTextColor.b, 0.6)
    selectionColor: theme.highlightColor
    selectedTextColor: theme.viewHighlightedTextColor
    placeholderTextColor: Qt.rgba(theme.viewTextColor.r, theme.viewTextColor.g, theme.viewTextColor.b, 0.5)

    /*
     * Since the password echo is a circle woithout vertical or horizontal lines, it won't be
     * more blurred with different rendring types.
     * Using Qt rendering, the dots will look more aligned and equally spaced.
     * Also if we are on mobile, make sure we use QtRendering
     * Finally, use QtRendering if we're using a non-integer scale factor to work around
     * https://bugreports.qt.io/browse/QTBUG-67007
     */
    renderType: !QtQuickControlsPrivate.Settings.isMobile && control.echoMode == TextInput.Normal && Screen.devicePixelRatio % 1 == 0 ? Text.NativeRendering : Text.QtRendering

    background: Item {
        //QQC button heights are max(backgroundHeight, label + margins).
        //QQC lineedits are only from the background (and if background is not set, just an arbirtary value of 25)
        //Why? I don't know

        //In order to get the same height in both buttons and lineedits we need to apply the same rule here

        implicitHeight: Math.max(control.cursorRectangle.height * 1.6, control.cursorRectangle.height + base.margins.top + base.margins.bottom)
        implicitWidth: theme.mSize(theme.defaultFont).width * 12
        opacity: control.enabled ? 1 : 0.6

        Private.TextFieldFocus {
            id: hover
            state: control.activeFocus ? "focus" : (control.hovered ? "hover" : "hidden")
            anchors.fill: base
        }
        PlasmaCore.FrameSvgItem {
            id: base
            anchors.fill: parent
            imagePath: "widgets/lineedit"
            prefix: "base"
        }

        Component.onCompleted: {
            root.padding.left = base.margins.left
            root.padding.top = base.margins.top
            root.padding.bottom = base.margins.bottom

            //TODO: if QtControls gets a component for this, use it instead of this hardcoded heuristic
            root.padding.right = Qt.binding(function() {
                var actionIconSize = Math.max(control.height * 0.8, units.iconSizes.small);
                //actionCount is an int of the number of items
                var actionCount = (control.hasOwnProperty("clearButtonShown") && control.clearButtonShown) +
                                  (control.hasOwnProperty("__effectiveRevealPasswordButtonShown") && control.__effectiveRevealPasswordButtonShown);
                return base.margins.right + (actionIconSize * actionCount) + (actionCount > 0 ? units.smallSpacing : 0);
            })
        }
    }

    Component {
        id: editMenuTouch
        EditMenuTouch {}
    }
    Component {
        id: cursorTouch
        CursorDelegate {}
    }

    __cursorHandle: CursorHandleStyle {}
    __cursorDelegate: QtQuickControlsPrivate.Settings.isMobile ? cursorTouch : null
    __selectionHandle: SelectionHandleStyle {}
    property Component __editMenu: QtQuickControlsPrivate.Settings.isMobile ? editMenuTouch : null
}
