NOISSUE continue reshuffling the codebase

launcher/ui/dialogs/IconPickerDialog.cpp

@@ -0,0 +1,163 @@
+/* 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);
+}