feat: add news reader dialog

Makes it easier to read about new blog posts! Yay :D

launcher/ui/dialogs/NewsDialog.cpp

@@ -0,0 +1,49 @@
+#include "NewsDialog.h"
+#include "ui_NewsDialog.h"
+
+NewsDialog::NewsDialog(QList<NewsEntryPtr> entries, QWidget* parent) : QDialog(parent), ui(new Ui::NewsDialog())
+{
+    ui->setupUi(this);
+
+    for (auto entry : entries) {
+        ui->articleListWidget->addItem(entry->title);
+        m_entries.insert(entry->title, entry);
+    }
+
+    connect(ui->articleListWidget, &QListWidget::currentTextChanged, this, &NewsDialog::selectedArticleChanged);
+    connect(ui->toggleListButton, &QPushButton::clicked, this, &NewsDialog::toggleArticleList);
+
+    m_article_list_hidden = ui->articleListWidget->isHidden();
+
+    auto first_item = ui->articleListWidget->item(0);
+    ui->articleListWidget->setItemSelected(first_item, true);
+
+    auto article_entry = m_entries.constFind(first_item->text()).value();
+    ui->articleTitleLabel->setText(QString("<a href='%1'>%2</a>").arg(article_entry->link, first_item->text()));
+    ui->currentArticleContentBrowser->setText(article_entry->content);
+}
+
+NewsDialog::~NewsDialog()
+{
+    delete ui;
+}
+
+void NewsDialog::selectedArticleChanged(const QString& new_title)
+{
+    auto const& article_entry = m_entries.constFind(new_title).value();
+
+    ui->articleTitleLabel->setText(QString("<a href='%1'>%2</a>").arg(article_entry->link, new_title));
+    ui->currentArticleContentBrowser->setText(article_entry->content);
+}
+
+void NewsDialog::toggleArticleList()
+{
+    m_article_list_hidden = !m_article_list_hidden;
+
+    ui->articleListWidget->setHidden(m_article_list_hidden);
+
+    if (m_article_list_hidden)
+        ui->toggleListButton->setText(tr("Show article list"));
+    else
+        ui->toggleListButton->setText(tr("Hide article list"));
+}