items/basicitem/ParabolicItem.qml

0001 /*
0002     SPDX-FileCopyrightText: 2016 Smith AR <audoban@openmailbox.org>
0003     SPDX-FileCopyrightText: 2016 Michail Vourlakos <mvourlakos@gmail.com>
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006
0007 import QtQuick 2.0
0008 import QtGraphicalEffects 1.0
0009
0010 import org.kde.plasma.plasmoid 2.0
0011 import org.kde.plasma.core 2.0 as PlasmaCore
0012
0013 import org.kde.latte.core 0.2 as LatteCore
0014
0015 Item{
0016     id: parabolicItem
0017     width: abilityItem.isHorizontal ? length : thickness
0018     height: abilityItem.isHorizontal ? thickness : length
0019
0020     readonly property real length: (!abilityItem.visible || abilityItem.isSeparator) ? 0 : basicScalingLength
0021
0022     readonly property real thickness: (!abilityItem.visible ? 0 : (abilityItem.isSeparator ?
0023                                                                        abilityItem.abilities.metrics.mask.thickness.normalForItems :
0024                                                                        basicScalingThickness + abilityItem.abilities.metrics.margin.screenEdge))
0025
0026     property bool isParabolicEventBlocked: false
0027     property bool isUpdatingOnlySpacers: false
0028     property bool isZoomed: false
0029
0030     //scales which are used mainly for activating InLauncher
0031     ////Scalers///////
0032     property bool hasZoomPerAxis: ((zoomLength !== 1.0) || (zoomThickness !== 1.0) )
0033
0034     property real zoom: 1.0
0035     property real zoomLength: 1.0
0036     property real zoomThickness: 1.0
0037
0038     property real scaleLength: hasZoomPerAxis ? zoomLength : zoom
0039     property real scaleThickness: hasZoomPerAxis ? zoomThickness : zoom
0040
0041     readonly property real marginZoom: 1 + ((zoom-1) * abilityItem.abilities.parabolic.factor.marginThicknessZoomInPercentage)
0042     readonly property real marginScaleThickness: 1 + ((scaleThickness-1) * abilityItem.abilities.parabolic.factor.marginThicknessZoomInPercentage)
0043
0044     property real cleanScalingLength: abilityItem.abilities.metrics.totals.length * zoom
0045     property real cleanScalingThickness: (abilityItem.abilities.metrics.iconSize * zoom) + (abilityItem.abilities.metrics.totals.thicknessEdges * marginZoom)
0046
0047     property real basicScalingLength: hasZoomPerAxis ? abilityItem.abilities.metrics.totals.length * scaleLength : cleanScalingLength
0048     property real basicScalingThickness: hasZoomPerAxis ? (abilityItem.abilities.metrics.iconSize * scaleThickness) + (abilityItem.abilities.metrics.totals.thicknessEdges * marginScaleThickness) :
0049                                                           cleanScalingThickness
0050
0051     property real regulatorLength: abilityItem.isSeparator ? (abilityItem.isHorizontal ? width : height) : basicScalingLength
0052     property real regulatorThickness: abilityItem.isSeparator ? (abilityItem.isHorizontal ? height : width) : basicScalingThickness
0053
0054     property real visualScaledLength: (abilityItem.abilities.metrics.iconSize + abilityItem.abilities.metrics.totals.lengthPaddings) * zoom
0055     property real visualScaledThickness: cleanScalingThickness
0056     /// end of Scalers///////
0057
0058     readonly property alias contentItemContainer: _contentItemContainer
0059     readonly property alias titleTooltipVisualParent: _titleTooltipVisualParent
0060
0061     readonly property string bothAxisZoomEvent: parabolicItem + "_zoom"
0062     /* Rectangle{
0063             anchors.fill: parent
0064             border.width: 1
0065             border.color: "green"
0066             color: "transparent"
0067         }*/
0068
0069     Behavior on zoom {
0070         id: animatedBehavior
0071         enabled: !abilityItem.abilities.parabolic.directRenderingEnabled || restoreAnimation.running
0072         NumberAnimation{
0073             duration: 3 * abilityItem.animationTime
0074             easing.type: Easing.OutCubic
0075         }
0076     }
0077
0078     Behavior on zoom {
0079         enabled: !animatedBehavior.enabled
0080         NumberAnimation { duration: 0 }
0081     }
0082
0083     Item{
0084         anchors.bottom: (abilityItem.location === PlasmaCore.Types.BottomEdge) ? parent.bottom : undefined
0085         anchors.top: (abilityItem.location === PlasmaCore.Types.TopEdge) ? parent.top : undefined
0086         anchors.left: (abilityItem.location === PlasmaCore.Types.LeftEdge) ? parent.left : undefined
0087         anchors.right: (abilityItem.location === PlasmaCore.Types.RightEdge) ? parent.right : undefined
0088
0089         anchors.horizontalCenter: abilityItem.isHorizontal ? parent.horizontalCenter : undefined
0090         anchors.verticalCenter: abilityItem.isHorizontal ? undefined : parent.verticalCenter
0091
0092         anchors.bottomMargin: (abilityItem.location === PlasmaCore.Types.BottomEdge) ? abilityItem.abilities.metrics.margin.screenEdge : 0
0093         anchors.topMargin: (abilityItem.location === PlasmaCore.Types.TopEdge) ? abilityItem.abilities.metrics.margin.screenEdge : 0
0094         anchors.leftMargin: (abilityItem.location === PlasmaCore.Types.LeftEdge) ? abilityItem.abilities.metrics.margin.screenEdge : 0
0095         anchors.rightMargin: (abilityItem.location === PlasmaCore.Types.RightEdge) ? abilityItem.abilities.metrics.margin.screenEdge : 0
0096
0097         width: abilityItem.isHorizontal ? parabolicItem.regulatorLength : parabolicItem.regulatorThickness
0098         height: abilityItem.isHorizontal ? parabolicItem.regulatorThickness : parabolicItem.regulatorLength
0099
0100         TitleTooltipParent{
0101             id: _titleTooltipVisualParent
0102             thickness: abilityItem.abilities.metrics.mask.thickness.zoomedForItems - abilityItem.abilities.metrics.margin.screenEdge
0103         }
0104
0105         //fix bug #478, when changing form factor sometimes the tasks are not positioned
0106         //correctly, in such case we make a fast reinitialization for the sizes
0107         Connections {
0108             target: plasmoid
0109             onFormFactorChanged:{
0110                 parabolicItem.zoom = 1.01;
0111                 parabolicItem.zoomLength = 1.01;
0112                 parabolicItem.zoomThickness = 1.01;
0113
0114                 parabolicItem.zoom = 1;
0115                 parabolicItem.zoomLength = 1;
0116                 parabolicItem.zoomThickness = 1;
0117             }
0118         }
0119
0120         //! Shadows
0121         Loader{
0122             anchors.fill: _contentItemContainer
0123             active: abilityItem.abilities.myView.itemShadow.isEnabled
0124                     && !abilityItem.isSeparator
0125                     && abilityItem.abilities.environment.isGraphicsSystemAccelerated
0126
0127             sourceComponent: DropShadow{
0128                 anchors.fill: parent
0129                 transformOrigin: abilityItem.iconTransformOrigin
0130                 opacity: abilityItem.iconOpacity
0131                 rotation: abilityItem.iconRotation
0132                 scale: abilityItem.iconScale
0133                 color: abilityItem.abilities.myView.itemShadow.shadowColor
0134                 fast: true
0135                 samples: 2 * radius
0136                 source: _contentItemContainer
0137                 radius: abilityItem.abilities.myView.itemShadow.size
0138                 verticalOffset: 2
0139             }
0140         }
0141
0142         //! Main contented item
0143         Item {
0144             id: _contentItemContainer
0145             anchors.bottom: (abilityItem.location === PlasmaCore.Types.BottomEdge) ? parent.bottom : undefined
0146             anchors.top: (abilityItem.location === PlasmaCore.Types.TopEdge) ? parent.top : undefined
0147             anchors.left: (abilityItem.location === PlasmaCore.Types.LeftEdge) ? parent.left : undefined
0148             anchors.right: (abilityItem.location === PlasmaCore.Types.RightEdge) ? parent.right : undefined
0149
0150             anchors.horizontalCenter: abilityItem.isHorizontal ? parent.horizontalCenter : undefined
0151             anchors.verticalCenter: abilityItem.isHorizontal ? undefined : parent.verticalCenter
0152
0153             anchors.bottomMargin: (abilityItem.location === PlasmaCore.Types.BottomEdge) ? tailMargin + abilityItem.iconOffsetY : 0
0154             anchors.topMargin: (abilityItem.location === PlasmaCore.Types.TopEdge) ? tailMargin + abilityItem.iconOffsetY : 0
0155             anchors.leftMargin: (abilityItem.location === PlasmaCore.Types.LeftEdge) ? tailMargin + abilityItem.iconOffsetX : 0
0156             anchors.rightMargin: (abilityItem.location === PlasmaCore.Types.RightEdge) ? tailMargin + abilityItem.iconOffsetX : 0
0157
0158             anchors.horizontalCenterOffset: abilityItem.isHorizontal ? abilityItem.iconOffsetX : 0
0159             anchors.verticalCenterOffset: abilityItem.isVertical ? abilityItem.iconOffsetY : 0
0160
0161             transformOrigin: abilityItem.iconTransformOrigin
0162             opacity: abilityItem.iconOpacity
0163             rotation: abilityItem.iconRotation
0164             scale: abilityItem.iconScale
0165
0166             width: newTempSize
0167             height: width
0168             visible: !abilityItem.isSeparator
0169
0170             property int zoomedSize: abilityItem.abilities.parabolic.factor.zoom * abilityItem.abilities.metrics.iconSize
0171             property real basicScalingLength: abilityItem.abilities.metrics.iconSize * (parabolicItem.hasZoomPerAxis ? parabolicItem.scaleLength : parabolicItem.zoom)
0172             property real basicScalingThickness: proposedItemThickness * appliedZoom
0173
0174             readonly property real appliedZoom: (parabolicItem.hasZoomPerAxis ? parabolicItem.scaleThickness : parabolicItem.zoom)
0175             readonly property real marginAppliedZoom: 1 + ((appliedZoom-1) * abilityItem.abilities.parabolic.factor.marginThicknessZoomInPercentage)
0176
0177             readonly property int proposedItemThickness: abilityItem.abilities.indexer.inMarginsArea ?
0178                                                              Math.max(16, abilityItem.abilities.metrics.marginsArea.iconSize) :
0179                                                              abilityItem.abilities.metrics.iconSize
0180
0181             readonly property int itemNormalTailMargin: abilityItem.abilities.indexer.inMarginsArea ? abilityItem.abilities.metrics.marginsArea.tailThickness : abilityItem.abilities.metrics.margin.tailThickness
0182             readonly property real tailMargin: Math.round(itemNormalTailMargin * marginAppliedZoom)
0183
0184             property real newTempSize: {
0185                 if (parabolicItem.opacity === 1 ) {
0186                     return Math.min(basicScalingLength, basicScalingThickness);
0187                 } else {
0188                     return Math.max(basicScalingLength, basicScalingThickness);
0189                 }
0190             }
0191
0192             readonly property Item contentItem: children.length > 0 ? children[0] : null
0193
0194             Component.onCompleted: {
0195                 if (abilityItem.contentItem && abilityItem.contentItem.parent !== _contentItemContainer) {
0196                     abilityItem.contentItem.parent = _contentItemContainer;
0197                 }
0198             }
0199
0200             Connections {
0201                 target: abilityItem
0202                 onContentItemChanged: {
0203                     if (abilityItem.contentItem && abilityItem.contentItem.parent !== _contentItemContainer) {
0204                         abilityItem.contentItem.parent = _contentItemContainer;
0205                     }
0206                 }
0207             }
0208         } //_contentItemContainer
0209
0210         //! Latte Side Painting-style if the user chose it
0211         Loader{
0212             anchors.fill: _contentItemContainer
0213             active: abilityItem.isMonochromaticForcedContentItem && abilityItem.monochromizedItem
0214
0215             sourceComponent: ColorOverlay {
0216                 anchors.fill: parent
0217                 color: latteBridge ? latteBridge.palette.textColor : "transparent"
0218                 source: abilityItem.monochromizedItem
0219             }
0220         }
0221         //! Latte Side Painting-style if the user chose it
0222
0223         ShortcutBadge{
0224             id: shortcutBadge
0225             anchors.centerIn: parent
0226             width: abilityItem.abilities.metrics.iconSize * (parabolicItem.hasZoomPerAxis ? parabolicItem.scaleThickness : parabolicItem.zoom)
0227             height: width
0228         }
0229
0230         Loader{
0231             anchors.fill: _contentItemContainer
0232             active: abilityItem.abilities.debug.graphicsEnabled
0233
0234             sourceComponent: Rectangle{
0235                 anchors.fill: parent
0236                 color: "transparent"
0237                 border.color:  "yellow"
0238                 border.width: 1
0239             }
0240         }
0241     }
0242
0243     function sendEndOfNeedBothAxisAnimation(){
0244         if (isZoomed) {
0245             isZoomed = false;
0246             abilityItem.abilities.animations.needBothAxis.removeEvent(bothAxisZoomEvent);
0247         }
0248     }
0249
0250     onZoomChanged: {
0251         if ((zoom === abilityItem.abilities.parabolic.factor.zoom) && !abilityItem.abilities.parabolic.directRenderingEnabled) {
0252             abilityItem.abilities.parabolic.setDirectRenderingEnabled(true);
0253         }
0254
0255         if ((zoom > 1) && !isZoomed) {
0256             isZoomed = true;
0257             abilityItem.abilities.animations.needBothAxis.addEvent(bothAxisZoomEvent);
0258         } else if ((zoom == 1) && isZoomed) {
0259             sendEndOfNeedBothAxisAnimation();
0260         }
0261     }
0262
0263     Connections {
0264         target: abilityItem
0265         onVisibleChanged: {
0266             if (!abilityItem.visible) {
0267                 //! is mostly used when the user destroys tasks applet from the context menu and both
0268                 //! axis animations should be released in that case
0269                 parabolicItem.sendEndOfNeedBothAxisAnimation();
0270             }
0271         }
0272     }
0273
0274     Component.onCompleted: {
0275         if (!LatteCore.WindowSystem.compositingActive) {
0276             opacity = 1;
0277         }
0278     }
0279 }//parabolicItem