You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.3 KiB
QML
77 lines
2.3 KiB
QML
/*
|
|
SPDX-FileCopyrightText: 2020 Michail Vourlakos <mvourlakos@gmail.com>
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
import QtQuick 2.0
|
|
|
|
import org.kde.plasma.plasmoid 2.0
|
|
import org.kde.plasma.core 2.0 as PlasmaCore
|
|
|
|
import "./paraboliceffect" as ParabolicEffectTypes
|
|
|
|
Item {
|
|
property bool isEnabled: false
|
|
property bool restoreZoomIsBlocked: false
|
|
|
|
property int spread: 3
|
|
|
|
property ParabolicEffectTypes.Factor factor: ParabolicEffectTypes.Factor{
|
|
zoom: 1.6
|
|
maxZoom: 1.6
|
|
marginThicknessZoomInPercentage: 1.0
|
|
}
|
|
|
|
readonly property ParabolicEffectTypes.PrivateProperties _privates: ParabolicEffectTypes.PrivateProperties {
|
|
directRenderingEnabled: false
|
|
}
|
|
|
|
property Item currentParabolicItem: null
|
|
|
|
signal sglClearZoom();
|
|
signal sglUpdateLowerItemScale(int delegateIndex, variant newScales);
|
|
signal sglUpdateHigherItemScale(int delegateIndex, variant newScales);
|
|
|
|
readonly property int _spreadSteps: (spread - 1) / 2
|
|
|
|
function applyParabolicEffect(itemIndex, itemMousePosition, itemLength) {
|
|
var percentage = Math.max(0, Math.min(1, itemMousePosition / itemLength));
|
|
|
|
//! left scales
|
|
var leftScales = [];
|
|
for (var i=_spreadSteps; i>=1; --i) {
|
|
leftScales.push(linearEffect(1-percentage, i, _spreadSteps));
|
|
}
|
|
leftScales.push(1); //! clearing
|
|
|
|
//! right scales
|
|
var rightScales = [];
|
|
for (var j=_spreadSteps; j>=1; --j) {
|
|
rightScales.push(linearEffect(percentage, j, _spreadSteps));
|
|
}
|
|
rightScales.push(1); //! clearing
|
|
|
|
var reversed = Qt.application.layoutDirection === Qt.RightToLeft && (plasmoid.formFactor === PlasmaCore.Types.Horizontal);
|
|
|
|
if (reversed) {
|
|
var temp = leftScales;
|
|
leftScales = rightScales;
|
|
rightScales = temp;
|
|
}
|
|
|
|
sglUpdateHigherItemScale(itemIndex+1, rightScales);
|
|
sglUpdateLowerItemScale(itemIndex-1, leftScales);
|
|
|
|
return {leftScale:leftScales[0], rightScale:rightScales[0]};
|
|
}
|
|
|
|
function linearEffect(mousePosPercentage, partIndex, partsCount) {
|
|
var part = 1/partsCount;
|
|
var min = (partIndex-1) * part;
|
|
var max = partIndex * part;
|
|
var x = min + (max-min) * mousePosPercentage;
|
|
var yl = (factor.zoom - 1) * x;
|
|
return 1+yl;
|
|
}
|
|
}
|