211 lines
7.0 KiB
QML
211 lines
7.0 KiB
QML
/***************************************************************************
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* Copyright (C) 2015 by Eike Hein <hein@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
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***************************************************************************/
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import QtQuick 2.4
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import org.kde.plasma.core 2.0 as PlasmaCore
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import org.kde.plasma.extras 2.0 as PlasmaExtras
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import org.kde.plasma.private.kicker 0.1 as Kicker
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PlasmaExtras.ScrollArea {
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id: itemMultiGrid
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//anchors {
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// top: parent.top
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//}
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anchors.fill: parent
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//width: parent.width
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implicitHeight: itemColumn.implicitHeight
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signal keyNavLeft(int subGridIndex)
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signal keyNavRight(int subGridIndex)
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signal keyNavUp()
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signal keyNavDown()
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property bool grabFocus: false
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property alias model: repeater.model
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property alias count: repeater.count
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property int aCellHeight
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property int aCellWidth
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verticalScrollBarPolicy: Qt.ScrollBarAsNeeded
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horizontalScrollBarPolicy: Qt.ScrollBarAlwaysOff
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flickableItem.flickableDirection: Flickable.VerticalFlick
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onFocusChanged: {
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if (!focus) {
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for (var i = 0; i < repeater.count; i++) {
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subGridAt(i).focus = false;
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}
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}
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}
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function subGridAt(index) {
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return repeater.itemAt(index).itemGrid;
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}
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function tryActivate(row, col) { // FIXME TODO: Cleanup messy algo.
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if (flickableItem.contentY > 0) {
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row = 0;
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}
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var target = null;
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var rows = 0;
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for (var i = 0; i < repeater.count; i++) {
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var grid = subGridAt(i);
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if (rows <= row) {
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target = grid;
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rows += grid.lastRow() + 2; // Header counts as one.
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} else {
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break;
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}
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}
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if (target) {
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rows -= (target.lastRow() + 2);
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target.tryActivate(row - rows, col);
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}
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}
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Column {
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id: itemColumn
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width: itemMultiGrid.width //- PlasmaCore.Units.gridUnit
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Repeater {
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id: repeater
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delegate: Item {
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width: itemColumn.width
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//height: gridViewLabel.height + gridView.height + (index == repeater.count - 1 ? 0 : PlasmaCore.Units.smallSpacing)
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height: gridView.height
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//visible: gridView.count > 0
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property Item itemGrid: gridView
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MouseArea {
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width: parent.width
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height: parent.height
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onClicked: root.toggle()
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}
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ItemGridView {
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id: gridView
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anchors {
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top: parent.top
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}
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width: parent.width
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height: Math.ceil(count / plasmoid.configuration.numberColumns) * root.cellSize
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cellWidth: root.cellSize
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cellHeight: root.cellSize
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iconSize: root.iconSize
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//<> verticalScrollBarPolicy: Qt.ScrollBarAlwaysOff
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model: repeater.model.modelForRow(index)
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onFocusChanged: {
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if (focus) {
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itemMultiGrid.focus = true;
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}
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}
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onCountChanged: {
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if (itemMultiGrid.grabFocus && index == 0 && count > 0) {
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currentIndex = 0;
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focus = true;
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}
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}
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onCurrentItemChanged: {
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if (!currentItem) {
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return;
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}
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if (index == 0 && currentRow() === 0) {
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itemMultiGrid.flickableItem.contentY = 0;
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return;
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}
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var y = currentItem.y;
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y = contentItem.mapToItem(itemMultiGrid.flickableItem.contentItem, 0, y).y;
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if (y < itemMultiGrid.flickableItem.contentY) {
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itemMultiGrid.flickableItem.contentY = y;
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} else {
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y += root.cellSize;
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y -= itemMultiGrid.flickableItem.contentY;
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y -= itemMultiGrid.viewport.height;
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if (y > 0) {
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itemMultiGrid.flickableItem.contentY += y;
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}
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}
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}
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onKeyNavLeft: {
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itemMultiGrid.keyNavLeft(index);
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}
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onKeyNavRight: {
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itemMultiGrid.keyNavRight(index);
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}
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onKeyNavUp: {
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if (index > 0) {
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var prevGrid = subGridAt(index - 1);
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prevGrid.tryActivate(prevGrid.lastRow(), currentCol());
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} else {
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itemMultiGrid.keyNavUp();
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}
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}
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onKeyNavDown: {
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if (index < repeater.count - 1) {
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subGridAt(index + 1).tryActivate(0, currentCol());
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} else {
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itemMultiGrid.keyNavDown();
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}
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}
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}
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// HACK: Steal wheel events from the nested grid view and forward them to
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// the ScrollView's internal WheelArea.
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Kicker.WheelInterceptor {
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anchors.fill: gridView
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z: 1
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destination: findWheelArea(itemMultiGrid.flickableItem)
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}
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}
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}
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}
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}
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