declarativeimports/components/ExternalShadow.qml

0001 /*
0002 *  Copyright 2019  Michail Vourlakos <mvourlakos@gmail.com>
0003 *
0004 *  This file is part of Latte-Dock
0005 *
0006 *  Latte-Dock is free software; you can redistribute it and/or
0007 *  modify it under the terms of the GNU General Public License as
0008 *  published by the Free Software Foundation; either version 2 of
0009 *  the License, or (at your option) any later version.
0010 *
0011 *  Latte-Dock is distributed in the hope that it will be useful,
0012 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
0013 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014 *  GNU General Public License for more details.
0015 *
0016 *  You should have received a copy of the GNU General Public License
0017 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
0018 */
0019
0020 import QtQuick 2.1
0021
0022 import org.kde.plasma.core 2.0 as PlasmaCore
0023 import QtGraphicalEffects 1.0
0024
0025 import org.kde.latte 0.2 as Latte
0026
0027 Item{
0028     id: shadowRoot
0029
0030     property int shadowDirection: PlasmaCore.Types.BottomEdge
0031     property int shadowSize: 7
0032     property real shadowOpacity: 1
0033     property color shadowColor: "#040404"
0034
0035     readonly property bool isHorizontal : (shadowDirection !== PlasmaCore.Types.LeftEdge) && (shadowDirection !== PlasmaCore.Types.RightEdge)
0036
0037     readonly property int implicitWidth: shadow.width
0038     readonly property int implicitHeight: shadow.height
0039
0040     Item{
0041         id: shadow
0042         width: isHorizontal ? shadowRoot.width + 2*shadowSize : shadowSize
0043         height: isHorizontal ? shadowSize: shadowRoot.height + 2*shadowSize
0044         opacity: shadowOpacity
0045
0046         clip: true
0047
0048         Rectangle{
0049             id: editShadow
0050             width: shadowRoot.width
0051             height: shadowRoot.height
0052             color: "white"
0053
0054             layer.enabled: true
0055             layer.effect: DropShadow {
0056                 radius: shadowSize
0057                 fast: true
0058                 samples: 2 * radius
0059                 color: shadowRoot.shadowColor
0060             }
0061         }
0062
0063         states: [
0064             ///topShadow
0065             State {
0066                 name: "topShadow"
0067                 when: (shadowDirection === PlasmaCore.Types.BottomEdge)
0068
0069                 AnchorChanges {
0070                     target: editShadow
0071                     anchors{ top:parent.top; bottom:undefined; left:parent.left; right:undefined}
0072                 }
0073                 PropertyChanges{
0074                     target: editShadow
0075                     anchors{ leftMargin: 0; rightMargin:0; topMargin:shadowSize; bottomMargin:0}
0076                 }
0077             },
0078             ///bottomShadow
0079             State {
0080                 name: "bottomShadow"
0081                 when: (shadowDirection === PlasmaCore.Types.TopEdge)
0082
0083                 AnchorChanges {
0084                     target: editShadow
0085                     anchors{ top:undefined; bottom:parent.bottom; left:parent.left; right:undefined}
0086                 }
0087                 PropertyChanges{
0088                     target: editShadow
0089                     anchors{ leftMargin: 0; rightMargin:0; topMargin:0; bottomMargin:shadowSize}
0090                 }
0091             },
0092             ///leftShadow
0093             State {
0094                 name: "leftShadow"
0095                 when: (shadowDirection === PlasmaCore.Types.RightEdge)
0096
0097                 AnchorChanges {
0098                     target: editShadow
0099                     anchors{ top:parent.top; bottom: undefined; left:parent.left; right:undefined}
0100                 }
0101                 PropertyChanges{
0102                     target: editShadow
0103                     anchors{ leftMargin: shadowSize; rightMargin:0; topMargin:0; bottomMargin:0}
0104                 }
0105             },
0106             ///rightShadow
0107             State {
0108                 name: "rightShadow"
0109                 when: (shadowDirection === PlasmaCore.Types.LeftEdge)
0110
0111                 AnchorChanges {
0112                     target: editShadow
0113                     anchors{top:parent.top; bottom:undefined; left:undefined; right:parent.right}
0114                 }
0115                 PropertyChanges{
0116                     target: editShadow
0117                     anchors{ leftMargin: 0; rightMargin:shadowSize; topMargin:0; bottomMargin:0}
0118                 }
0119             }
0120         ]
0121     }
0122 }