1 files changed, 214 insertions, 0 deletions
diff --git a/src-qt5/core/lumina-theme-engine/src/lthemeengine/iconthemepage.cpp b/src-qt5/core/lumina-theme-engine/src/lthemeengine/iconthemepage.cpp
new file mode 100644
index 00000000..ca9a3388
--- /dev/null
+++ b/src-qt5/core/lumina-theme-engine/src/lthemeengine/iconthemepage.cpp
@@ -0,0 +1,214 @@
+/*
+ * Copyright (c) 2014-2017, Ilya Kotov <forkotov02@hotmail.ru>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <QSettings>
+#include <QFileInfo>
+#include <QFileInfoList>
+#include <QDir>
+#include <QTreeWidgetItem>
+#include <QImageReader>
+#include <QLocale>
+#include "lthemeengine.h"
+#include "iconthemepage.h"
+#include "ui_iconthemepage.h"
+
+IconThemePage::IconThemePage(QWidget *parent) :
+    TabPage(parent),
+    m_ui(new Ui::IconThemePage)
+{
+    m_ui->setupUi(this);
+    loadThemes();
+    readSettings();
+}
+
+IconThemePage::~IconThemePage()
+{
+    delete m_ui;
+}
+
+void IconThemePage::writeSettings()
+{
+    QSettings settings(lthemeengine::configFile(), QSettings::IniFormat);
+    QTreeWidgetItem *item = m_ui->treeWidget->currentItem();
+    if(item)
+        settings.setValue("Appearance/icon_theme", item->data(3, Qt::UserRole));
+}
+
+void IconThemePage::readSettings()
+{
+    QSettings settings(lthemeengine::configFile(), QSettings::IniFormat);
+    QString name = settings.value("Appearance/icon_theme").toString();
+
+    if(name.isEmpty())
+        return;
+
+    for(int i = 0; i < m_ui->treeWidget->topLevelItemCount(); ++i)
+    {
+        QTreeWidgetItem *item = m_ui->treeWidget->topLevelItem(i);
+        if(item->data(3, Qt::UserRole).toString() == name)
+        {
+            m_ui->treeWidget->setCurrentItem(item);
+            break;
+        }
+    }
+}
+
+void IconThemePage::loadThemes()
+{
+    QFileInfoList themeFileList;
+    foreach(QString path, lthemeengine::iconPaths())
+    {
+        QDir dir(path);
+        dir.setFilter(QDir::Dirs | QDir::NoDotDot | QDir::NoDot);
+        foreach (QFileInfo info, dir.entryInfoList())
+        {
+            QDir themeDir(info.absoluteFilePath());
+            themeDir.setFilter(QDir::Files);
+            themeFileList << themeDir.entryInfoList(QStringList() << "index.theme");
+        }
+    }
+
+    foreach(QFileInfo info, themeFileList)
+    {
+        loadTheme(info.canonicalFilePath());
+    }
+}
+
+void IconThemePage::loadTheme(const QString &path)
+{
+    QSettings config(path, QSettings::IniFormat);
+    config.setIniCodec("UTF-8");
+
+    config.beginGroup("Icon Theme");
+    QStringList dirs = config.value("Directories").toStringList();
+    if(dirs.isEmpty() || config.value("Hidden", false).toBool())
+        return;
+
+    QString name, comment;
+    QString lang = QLocale::system().name();
+
+    name = config.value(QString("Name[%1]").arg(lang)).toString();
+    comment = config.value(QString("Comment[%1]").arg(lang)).toString();
+
+    if(lang.contains("_"))
+        lang = lang.split("_").first();
+
+    if(name.isEmpty())
+        name = config.value(QString("Name[%1]").arg(lang)).toString();
+
+    if(comment.isEmpty())
+        comment = config.value(QString("Comment[%1]").arg(lang)).toString();
+
+    if(name.isEmpty())
+        name = config.value("Name").toString();
+
+    if(comment.isEmpty())
+        comment = config.value("Comment").toString();
+
+    config.endGroup();
+
+    QIcon icon1 = findIcon(path, 24, "document-save");
+    QIcon icon2 = findIcon(path, 24, "document-print");
+    QIcon icon3 = findIcon(path, 24, "media-playback-stop");
+
+    QTreeWidgetItem *item = new QTreeWidgetItem();
+    item->setIcon(0, icon1);
+    item->setIcon(1, icon2);
+    item->setIcon(2, icon3);
+    item->setText(3, name);
+    item->setData(3, Qt::UserRole, QFileInfo(path).path().section("/", -1));
+    item->setToolTip(3, comment);
+    item->setSizeHint(0, QSize(24,24));
+    m_ui->treeWidget->addTopLevelItem(item);
+
+    m_ui->treeWidget->resizeColumnToContents(0);
+    m_ui->treeWidget->resizeColumnToContents(1);
+    m_ui->treeWidget->resizeColumnToContents(2);
+    m_ui->treeWidget->resizeColumnToContents(3);
+}
+
+QIcon IconThemePage::findIcon(const QString &themePath, int size, const QString &name)
+{
+    QSettings config(themePath, QSettings::IniFormat);
+    config.beginGroup("Icon Theme");
+    QStringList dirs = config.value("Directories").toStringList();
+    QStringList parents = config.value("Inherits").toStringList();
+    bool haveInherits = config.contains("Inherits");
+    config.endGroup();
+
+    foreach (QString dir, dirs)
+    {
+        config.beginGroup(dir);
+        if(config.value("Size").toInt() == size)
+        {
+            QDir iconDir = QFileInfo(themePath).path() + "/" + dir;
+            iconDir.setFilter(QDir::Files);
+            iconDir.setNameFilters(QStringList () << name + ".*");
+            if(iconDir.entryInfoList().isEmpty())
+                continue;
+            return QIcon(iconDir.entryInfoList().first().absoluteFilePath());
+        }
+        config.endGroup();
+    }
+
+    foreach (QString dir, dirs)
+    {
+        config.beginGroup(dir);
+        if(abs(config.value("Size").toInt() - size) < 4)
+        {
+            QDir iconDir = QFileInfo(themePath).path() + "/" + dir;
+            iconDir.setFilter(QDir::Files);
+            iconDir.setNameFilters(QStringList () << name + ".*");
+            if(iconDir.entryInfoList().isEmpty())
+                continue;
+            return QIcon(iconDir.entryInfoList().first().absoluteFilePath());
+        }
+        config.endGroup();
+    }
+
+    if (!haveInherits)
+        return QIcon();
+
+    parents.append("hicolor"); //add fallback themes
+    parents.append("gnome");
+    parents.removeDuplicates();
+
+    foreach (QString parent, parents)
+    {
+        QString parentThemePath = QDir(QFileInfo(themePath).path() + "/../" + parent).canonicalPath() + "/index.theme";
+
+        if(!QFile::exists(parentThemePath) || parentThemePath == themePath)
+            continue;
+
+        QIcon icon = findIcon(parentThemePath, size, name);
+        if(!icon.isNull())
+            return icon;
+    }
+
+    return QIcon();
+}