Optimised icons

Signed-off-by: TheKodeToad <TheKodeToad@proton.me>

launcher/CMakeLists.txt

@@ -724,6 +724,8 @@ SET(LAUNCHER_SOURCES
     SkinUtils.h
     FileIgnoreProxy.cpp
     FileIgnoreProxy.h
+    FastFileIconProvider.cpp
+    FastFileIconProvider.h
 
     # GUI - setup wizard
     ui/setupwizard/SetupWizard.h

launcher/FastFileIconProvider.cpp

@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "FastFileIconProvider.h"
+
+#include <QApplication>
+#include <QStyle>
+
+QIcon FastFileIconProvider::icon(const QFileInfo& info) const
+{
+#if QT_VERSION >= QT_VERSION_CHECK(6, 4, 0)
+    bool link = info.isSymbolicLink() || info.isAlias() || info.isShortcut();
+#else
+    // in versions prior to 6.4 we don't have access to isAlias
+    bool link = info.isSymLink();
+#endif
+    QStyle::StandardPixmap icon;
+
+    if (info.isDir()) {
+        if (link)
+            icon = QStyle::SP_DirLinkIcon;
+        else
+            icon = QStyle::SP_DirIcon;
+    } else {
+        if (link)
+            icon = QStyle::SP_FileLinkIcon;
+        else
+            icon = QStyle::SP_FileIcon;
+    }
+
+    return QApplication::style()->standardIcon(icon);
+}

launcher/FastFileIconProvider.h

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QFileIconProvider>
+
+class FastFileIconProvider : public QFileIconProvider {
+   public:
+    QIcon icon(const QFileInfo& info) const override;
+};

launcher/ui/dialogs/ExportInstanceDialog.cpp

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
- *  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -46,7 +47,6 @@
 #include <QSaveFile>
 #include <QStack>
 #include <QFileInfo>
-#include "StringUtils.h"
 #include "SeparatorPrefixTree.h"
 #include "Application.h"
 #include <icons/IconList.h>
@@ -57,6 +57,7 @@ ExportInstanceDialog::ExportInstanceDialog(InstancePtr instance, QWidget *parent
 {
     ui->setupUi(this);
     auto model = new QFileSystemModel(this);
+    model->setIconProvider(&icons);
     auto root = instance->instanceRoot();
     proxyModel = new FileIgnoreProxy(root, this);
     loadPackIgnore();

launcher/ui/dialogs/ExportInstanceDialog.h

@@ -1,4 +1,24 @@
-/* Copyright 2013-2021 MultiMC Contributors
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2013-2021 MultiMC Contributors
  *
  *      Licensed under the Apache License, Version 2.0 (the "License");
  *      you may not use this file except in compliance with the License.
@@ -19,6 +39,7 @@
 #include <QModelIndex>
 #include <memory>
 #include "FileIgnoreProxy.h"
+#include "FastFileIconProvider.h"
 
 class BaseInstance;
 typedef std::shared_ptr<BaseInstance> InstancePtr;
@@ -48,6 +69,7 @@ private:
     Ui::ExportInstanceDialog *ui;
     InstancePtr m_instance;
     FileIgnoreProxy * proxyModel;
+    FastFileIconProvider icons;
 
 private slots:
     void rowsInserted(QModelIndex parent, int top, int bottom);

launcher/ui/dialogs/ExportMrPackDialog.cpp

@@ -26,6 +26,7 @@
 #include <QFileSystemModel>
 #include <QJsonDocument>
 #include <QMessageBox>
+#include "FastFileIconProvider.h"
 #include "FileSystem.h"
 #include "MMCZip.h"
 #include "modplatform/modrinth/ModrinthPackExportTask.h"
@@ -38,6 +39,8 @@ ExportMrPackDialog::ExportMrPackDialog(InstancePtr instance, QWidget* parent)
     ui->summary->setText(instance->notes().split(QRegularExpression("\\r?\\n"))[0]);
 
     QFileSystemModel* model = new QFileSystemModel(this);
+    model->setIconProvider(&icons);
+
     // use the game root - everything outside cannot be exported
     const QDir root(instance->gameRoot());
     proxy = new FileIgnoreProxy(instance->gameRoot(), this);

launcher/ui/dialogs/ExportMrPackDialog.h

@@ -20,6 +20,7 @@
 
 #include <QDialog>
 #include "BaseInstance.h"
+#include "FastFileIconProvider.h"
 #include "FileIgnoreProxy.h"
 
 namespace Ui {
@@ -39,4 +40,5 @@ class ExportMrPackDialog : public QDialog {
     const InstancePtr instance;
     Ui::ExportMrPackDialog* ui;
     FileIgnoreProxy* proxy;
+    FastFileIconProvider icons;
 };