Differential D22121 Diff 62529 wallpapers/image/slidefiltermodel.cpp

Changeset View

Standalone View

View Options

wallpapers/image/slidefiltermodel.cpp

  • This file was added.
1​/*
2​ * Copyright 2019 David Redondo <kde@david-redondo.de>
3​ *
4​ * This program is free software; you can redistribute it and/or modify
5​ * it under the terms of the GNU General Public License as published by
6​ * the Free Software Foundation; either version 2 of the License, or
7​ * (at your option) any later version.
8​ *
9​ * This program is distributed in the hope that it will be useful,
10​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
11​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12​ * GNU General Public License for more details.
13​ *
14​ * You should have received a copy of the GNU General Public License
15​ * along with this program; if not, write to the Free Software
16​ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 2.010-1301, USA.
17​ */
18​
19​#include "slidefiltermodel.h"
20​
21​#include "backgroundlistmodel.h"
22​#include "slidemodel.h"
23​
24​#include <QRandomGenerator>
25​#include <QFileInfo>
26​
27​SlideFilterModel::SlideFilterModel(QObject* parent)
28​ : QSortFilterProxyModel{parent}
29​ , m_SortingMode{Image::Random}
30​ , m_usedInConfig{false}
31​{
32​ setSortCaseSensitivity(Qt::CaseSensitivity::CaseInsensitive);
33​ connect(this, &SlideFilterModel::usedInConfigChanged, this, &SlideFilterModel::invalidateFilter);
34​}
35​
36​bool SlideFilterModel::filterAcceptsRow(int source_row, const QModelIndex& source_parent) const
37​{
38​ auto index = sourceModel()->index(source_row, 0, source_parent);
39​ return m_usedInConfig || index.data(BackgroundListModel::ToggleRole).toBool();
40​}
41​
42​bool SlideFilterModel::lessThan(const QModelIndex& source_left, const QModelIndex& source_right) const
43​{
44​ switch (m_SortingMode) {
45​ case Image::Random:
46​ return (*QRandomGenerator::system())() % 2 == 0;
47​ case Image::Alphabetical:
48​ return QSortFilterProxyModel::lessThan(source_left, source_right);
49​ case Image::AlphabeticalReversed:
50​ return !QSortFilterProxyModel::lessThan(source_left, source_right);
51​ case Image::Modified: // oldest first
52​ {
53​ QFileInfo f1(source_left.data(BackgroundListModel::PathRole).toUrl().toLocalFile());
54​ QFileInfo f2(source_right.data(BackgroundListModel::PathRole).toUrl().toLocalFile());
55​ return f1.lastModified() < f2.lastModified();
56​ }
57​ case Image::ModifiedReversed: // newest first
58​ {
59​ QFileInfo f1(source_left.data(BackgroundListModel::PathRole).toUrl().toLocalFile());
60​ QFileInfo f2(source_right.data(BackgroundListModel::PathRole).toUrl().toLocalFile());
61​ return !(f1.lastModified() < f2.lastModified());
62​ }
63​ }
64​ Q_UNREACHABLE();
65​}
66​
67​void SlideFilterModel::setSortingMode(Image::SlideshowMode mode)
68​{
69​ m_SortingMode = mode;
70​ if (!(m_usedInConfig && mode == Image::Random)) {
71​ QSortFilterProxyModel::invalidate();
72​ }
73​}
74​
75​void SlideFilterModel::invalidateFilter()
76​{
77​ QSortFilterProxyModel::invalidateFilter();
78​}
79​
80​int SlideFilterModel::indexOf(const QString& path)
81​{
82​ auto sourceIndex = sourceModel()->index(static_cast<SlideModel*>(sourceModel())->indexOf(path), 0);
83​ return mapFromSource(sourceIndex).row();
84​}
85​
86​void SlideFilterModel::openContainingFolder(int rowIndex)
87​{
88​ auto sourceIndex = mapToSource(index(rowIndex, 0));
89​ static_cast<SlideModel*>(sourceModel())->openContainingFolder(sourceIndex.row());
90​}