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0001 /*
0002 SPDX-FileCopyrightText: 2020 Michail Vourlakos <mvourlakos@gmail.com>
0003 SPDX-License-Identifier: GPL-2.0-or-later
0004 */
0005
0006 import QtQuick 2.7
0007
0008 import org.kde.plasma.core 2.0 as PlasmaCore
0009 import org.kde.latte.core 0.2 as LatteCore
0010
0011 Item {
0012 property Item destination: null
0013
0014 readonly property int headThickness: destination ? destination.headThicknessMargin : appletItem.metrics.margin.headThickness
0015 readonly property int tailThickness: destination ? destination.tailThicknessMargin : appletItem.metrics.margin.tailThickness
0016 readonly property int thickness: headThickness + tailThickness + (root.isHorizontal ? destination.height : destination.width)
0017 readonly property int lengthPadding: {
0018 if ( (root.myView.alignment === LatteCore.Types.Justify && appletItem.firstChildOfStartLayout)
0019 || (root.myView.alignment === LatteCore.Types.Justify && appletItem.lastChildOfEndLayout)
0020 || (root.myView.alignment !== LatteCore.Types.Justify && appletItem.firstChildOfMainLayout)
0021 || (root.myView.alignment !== LatteCore.Types.Justify && appletItem.lastChildOfMainLayout)) {
0022 //! Fitts Law on corners
0023 return destination ? destination.zoomScaleThickness * appletItem.lengthAppletFullMargin : appletItem.lengthAppletFullMargin;
0024 }
0025
0026 return destination ? destination.zoomScaleThickness * appletItem.lengthAppletPadding : appletItem.lengthAppletPadding;
0027 }
0028
0029 readonly property bool active: parent ? parent.active : false
0030
0031 Loader{
0032 anchors.fill: parent
0033 active: appletItem.debug.eventsSinkEnabled && active
0034
0035 sourceComponent: Rectangle {
0036 anchors.fill: parent
0037 color: "yellow"
0038 opacity: 0.2
0039 visible: root.latteView && root.latteView.sink.destinationItem === destination
0040 }
0041 }
0042
0043 Item {
0044 id: originParentItem
0045 anchors.fill: parent
0046
0047 //! NOTICE: Do not add any more child items. These child items are used from SinkedEvents handler in order
0048 //! to identify the areas from which mouse events should be sunk into the destination item
0049
0050 EventsSinkOriginArea {
0051 id: topArea
0052 width: plasmoid.formFactor === PlasmaCore.Types.Horizontal ? destination.width + 2 * lengthPadding : thickness
0053 height: {
0054 if (plasmoid.formFactor === PlasmaCore.Types.Vertical) {
0055 //! Fitt;s Law consider the spacer also from parabolic effect
0056 return appletItem.firstAppletInContainer ? lengthPadding + hiddenSpacerLeft.height + 1 : lengthPadding;
0057 } else if (plasmoid.location === PlasmaCore.Types.TopEdge) {
0058 return tailThickness;
0059 } else {
0060 return headThickness;
0061 }
0062 }
0063
0064 states:[
0065 State{
0066 name: "horizontal"
0067 when: plasmoid.formFactor === PlasmaCore.Types.Horizontal
0068
0069 AnchorChanges{
0070 target: topArea;
0071 anchors.horizontalCenter: parent.horizontalCenter; anchors.verticalCenter: undefined;
0072 anchors.right: undefined; anchors.left: undefined; anchors.top: undefined; anchors.bottom: parent.top;
0073 }
0074 },
0075 State{
0076 name: "vertical"
0077 when: plasmoid.formFactor === PlasmaCore.Types.Vertical
0078
0079 AnchorChanges{
0080 target: topArea;
0081 anchors.horizontalCenter: undefined; anchors.verticalCenter: undefined;
0082 anchors.right: undefined; anchors.left: leftArea.left; anchors.top: undefined; anchors.bottom: parent.top;
0083 }
0084 }
0085 ]
0086 }
0087
0088 EventsSinkOriginArea {
0089 id: bottomArea
0090 width: plasmoid.formFactor === PlasmaCore.Types.Horizontal ? destination.width + 2 * lengthPadding : thickness
0091 height: {
0092 if (plasmoid.formFactor === PlasmaCore.Types.Vertical) {
0093 //! Fitt;s Law consider the spacer also from parabolic effect
0094 return appletItem.lastAppletInContainer ? lengthPadding + hiddenSpacerRight.height + 1 : lengthPadding;
0095 } else if (plasmoid.location === PlasmaCore.Types.BottomEdge) {
0096 return tailThickness;
0097 } else {
0098 return headThickness;
0099 }
0100 }
0101
0102 states:[
0103 State{
0104 name: "horizontal"
0105 when: plasmoid.formFactor === PlasmaCore.Types.Horizontal
0106
0107 AnchorChanges{
0108 target: bottomArea;
0109 anchors.horizontalCenter: parent.horizontalCenter; anchors.verticalCenter: undefined;
0110 anchors.right: undefined; anchors.left: undefined; anchors.top: parent.bottom; anchors.bottom: undefined;
0111 }
0112 },
0113 State{
0114 name: "vertical"
0115 when: plasmoid.formFactor === PlasmaCore.Types.Vertical
0116
0117 AnchorChanges{
0118 target: bottomArea;
0119 anchors.horizontalCenter: undefined; anchors.verticalCenter: undefined;
0120 anchors.right: undefined; anchors.left: leftArea.left; anchors.top: parent.bottom; anchors.bottom: undefined;
0121 }
0122 }
0123 ]
0124 }
0125
0126 EventsSinkOriginArea {
0127 id: leftArea
0128 height: plasmoid.formFactor === PlasmaCore.Types.Horizontal ? thickness : destination.height + 2 * lengthPadding
0129 width: {
0130 if (plasmoid.formFactor === PlasmaCore.Types.Horizontal) {
0131 //! Fitt;s Law consider the spacer also from parabolic effect
0132 return appletItem.firstAppletInContainer ? lengthPadding + hiddenSpacerLeft.width + 1 : lengthPadding;
0133 } else if (plasmoid.location === PlasmaCore.Types.LeftEdge) {
0134 return tailThickness;
0135 } else {
0136 return headThickness;
0137 }
0138 }
0139
0140 states:[
0141 State{
0142 name: "horizontal"
0143 when: plasmoid.formFactor === PlasmaCore.Types.Horizontal
0144
0145 AnchorChanges{
0146 target: leftArea;
0147 anchors.horizontalCenter: undefined; anchors.verticalCenter: undefined;
0148 anchors.right: parent.left; anchors.left: undefined; anchors.top: undefined; anchors.bottom: bottomArea.bottom;
0149 }
0150 },
0151 State{
0152 name: "vertical"
0153 when: plasmoid.formFactor === PlasmaCore.Types.Vertical
0154
0155 AnchorChanges{
0156 target: leftArea;
0157 anchors.horizontalCenter: undefined; anchors.verticalCenter: parent.verticalCenter;
0158 anchors.right: parent.left; anchors.left: undefined; anchors.top: undefined; anchors.bottom: undefined;
0159 }
0160 }
0161 ]
0162 }
0163
0164 EventsSinkOriginArea {
0165 id: rightArea
0166 height: plasmoid.formFactor === PlasmaCore.Types.Horizontal ? thickness : destination.height + 2 * lengthPadding
0167 width: {
0168 if (plasmoid.formFactor === PlasmaCore.Types.Horizontal) {
0169 //! Fitt;s Law consider the spacer also from parabolic effect
0170 return appletItem.lastAppletInContainer ? lengthPadding + hiddenSpacerRight.width + 1 : lengthPadding;
0171 } else if (plasmoid.location === PlasmaCore.Types.RightEdge) {
0172 return tailThickness;
0173 } else {
0174 return headThickness;
0175 }
0176 }
0177
0178 states:[
0179 State{
0180 name: "horizontal"
0181 when: plasmoid.formFactor === PlasmaCore.Types.Horizontal
0182
0183 AnchorChanges{
0184 target: rightArea;
0185 anchors.horizontalCenter: undefined; anchors.verticalCenter: undefined;
0186 anchors.right: undefined; anchors.left: parent.right; anchors.top: undefined; anchors.bottom: bottomArea.bottom;
0187 }
0188 },
0189 State{
0190 name: "vertical"
0191 when: plasmoid.formFactor === PlasmaCore.Types.Vertical
0192
0193 AnchorChanges{
0194 target: rightArea;
0195 anchors.horizontalCenter: undefined; anchors.verticalCenter: parent.verticalCenter;
0196 anchors.right: undefined; anchors.left: parent.right; anchors.top: undefined; anchors.bottom: undefined;
0197 }
0198 }
0199 ]
0200 }
0201 }
0202 }