Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

git-subtree-dir: meshmc
git-subtree-mainline: 934382c8a1ce738589dee9ee0f14e1cec812770e
git-subtree-split: fad6a1066616b69d7f5fef01178efdf014c59537

1 files changed, 197 insertions, 0 deletions

diff --git a/meshmc/launcher/ui/dialogs/IconPickerDialog.cpp b/meshmc/launcher/ui/dialogs/IconPickerDialog.cpp
new file mode 100644
index 0000000000..1768b44fd4
--- /dev/null
+++ b/meshmc/launcher/ui/dialogs/IconPickerDialog.cpp
@@ -0,0 +1,197 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <QKeyEvent>
+#include <QPushButton>
+#include <QFileDialog>
+
+#include "Application.h"
+
+#include "IconPickerDialog.h"
+#include "ui_IconPickerDialog.h"
+
+#include "ui/instanceview/InstanceDelegate.h"
+
+#include "icons/IconList.h"
+#include "icons/IconUtils.h"
+#include <DesktopServices.h>
+
+IconPickerDialog::IconPickerDialog(QWidget* parent)
+	: QDialog(parent), ui(new Ui::IconPickerDialog)
+{
+	ui->setupUi(this);
+	setWindowModality(Qt::WindowModal);
+
+	auto contentsWidget = ui->iconView;
+	contentsWidget->setViewMode(QListView::IconMode);
+	contentsWidget->setFlow(QListView::LeftToRight);
+	contentsWidget->setIconSize(QSize(48, 48));
+	contentsWidget->setMovement(QListView::Static);
+	contentsWidget->setResizeMode(QListView::Adjust);
+	contentsWidget->setSelectionMode(QAbstractItemView::SingleSelection);
+	contentsWidget->setSpacing(5);
+	contentsWidget->setWordWrap(false);
+	contentsWidget->setWrapping(true);
+	contentsWidget->setUniformItemSizes(true);
+	contentsWidget->setTextElideMode(Qt::ElideRight);
+	contentsWidget->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
+	contentsWidget->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
+	contentsWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	contentsWidget->setItemDelegate(new ListViewDelegate());
+
+	// contentsWidget->setAcceptDrops(true);
+	contentsWidget->setDropIndicatorShown(true);
+	contentsWidget->viewport()->setAcceptDrops(true);
+	contentsWidget->setDragDropMode(QAbstractItemView::DropOnly);
+	contentsWidget->setDefaultDropAction(Qt::CopyAction);
+
+	contentsWidget->installEventFilter(this);
+
+	contentsWidget->setModel(APPLICATION->icons().get());
+
+	// NOTE: ResetRole forces the button to be on the left, while the OK/Cancel
+	// ones are on the right. We win.
+	auto buttonAdd =
+		ui->buttonBox->addButton(tr("Add Icon"), QDialogButtonBox::ResetRole);
+	auto buttonRemove = ui->buttonBox->addButton(tr("Remove Icon"),
+												 QDialogButtonBox::ResetRole);
+
+	connect(buttonAdd, SIGNAL(clicked(bool)), SLOT(addNewIcon()));
+	connect(buttonRemove, SIGNAL(clicked(bool)), SLOT(removeSelectedIcon()));
+
+	connect(contentsWidget, SIGNAL(doubleClicked(QModelIndex)),
+			SLOT(activated(QModelIndex)));
+
+	connect(contentsWidget->selectionModel(),
+			SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
+			SLOT(selectionChanged(QItemSelection, QItemSelection)));
+
+	auto buttonFolder = ui->buttonBox->addButton(tr("Open Folder"),
+												 QDialogButtonBox::ResetRole);
+	connect(buttonFolder, &QPushButton::clicked, this,
+			&IconPickerDialog::openFolder);
+}
+
+bool IconPickerDialog::eventFilter(QObject* obj, QEvent* evt)
+{
+	if (obj != ui->iconView)
+		return QDialog::eventFilter(obj, evt);
+	if (evt->type() != QEvent::KeyPress) {
+		return QDialog::eventFilter(obj, evt);
+	}
+	QKeyEvent* keyEvent = static_cast<QKeyEvent*>(evt);
+	switch (keyEvent->key()) {
+		case Qt::Key_Delete:
+			removeSelectedIcon();
+			return true;
+		case Qt::Key_Plus:
+			addNewIcon();
+			return true;
+		default:
+			break;
+	}
+	return QDialog::eventFilter(obj, evt);
+}
+
+void IconPickerDialog::addNewIcon()
+{
+	//: The title of the select icons open file dialog
+	QString selectIcons = tr("Select Icons");
+	//: The type of icon files
+	auto filter = IconUtils::getIconFilter();
+	QStringList fileNames = QFileDialog::getOpenFileNames(
+		this, selectIcons, QString(), tr("Icons %1").arg(filter));
+	APPLICATION->icons()->installIcons(fileNames);
+}
+
+void IconPickerDialog::removeSelectedIcon()
+{
+	APPLICATION->icons()->deleteIcon(selectedIconKey);
+}
+
+void IconPickerDialog::activated(QModelIndex index)
+{
+	selectedIconKey = index.data(Qt::UserRole).toString();
+	accept();
+}
+
+void IconPickerDialog::selectionChanged(QItemSelection selected,
+										QItemSelection deselected)
+{
+	if (selected.empty())
+		return;
+
+	QString key =
+		selected.first().indexes().first().data(Qt::UserRole).toString();
+	if (!key.isEmpty()) {
+		selectedIconKey = key;
+	}
+}
+
+int IconPickerDialog::execWithSelection(QString selection)
+{
+	auto list = APPLICATION->icons();
+	auto contentsWidget = ui->iconView;
+	selectedIconKey = selection;
+
+	int index_nr = list->getIconIndex(selection);
+	auto model_index = list->index(index_nr);
+	contentsWidget->selectionModel()->select(model_index,
+											 QItemSelectionModel::Current |
+												 QItemSelectionModel::Select);
+
+	QMetaObject::invokeMethod(this, "delayed_scroll", Qt::QueuedConnection,
+							  Q_ARG(QModelIndex, model_index));
+	return QDialog::exec();
+}
+
+void IconPickerDialog::delayed_scroll(QModelIndex model_index)
+{
+	auto contentsWidget = ui->iconView;
+	contentsWidget->scrollTo(model_index);
+}
+
+IconPickerDialog::~IconPickerDialog()
+{
+	delete ui;
+}
+
+void IconPickerDialog::openFolder()
+{
+	DesktopServices::openDirectory(APPLICATION->icons()->getDirectory(), true);
+}