1 files changed, 66 insertions, 0 deletions
diff --git a/src/ui/widgets/GRTTreeView.cpp b/src/ui/widgets/GRTTreeView.cpp
new file mode 100644
index 00000000..09d7dcf0
--- /dev/null
+++ b/src/ui/widgets/GRTTreeView.cpp
@@ -0,0 +1,66 @@
+/**
+ * Copyright (C) 2021 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend 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.
+ *
+ * GpgFrontend 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 GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "GRTTreeView.h"
+
+#include "core/module/GlobalRegisterTableTreeModel.h"
+#include "core/module/ModuleManager.h"
+
+namespace GpgFrontend::UI {
+
+GRTTreeView::GRTTreeView(QWidget* parent) : QTreeView(parent) {
+  setModel(new Module::GlobalRegisterTableTreeModel(
+      Module::ModuleManager::GetInstance().GRT()));
+
+  connect(model(), &QFileSystemModel::layoutChanged, this,
+          &GRTTreeView::slot_adjust_column_widths);
+  connect(model(), &QFileSystemModel::dataChanged, this,
+          &GRTTreeView::slot_adjust_column_widths);
+  connect(this, &GRTTreeView::expanded, this,
+          &GRTTreeView::slot_adjust_column_widths);
+  connect(this, &GRTTreeView::collapsed, this,
+          &GRTTreeView::slot_adjust_column_widths);
+}
+
+GRTTreeView::~GRTTreeView() = default;
+
+void GRTTreeView::paintEvent(QPaintEvent* event) {
+  QTreeView::paintEvent(event);
+
+  if (!initial_resize_done_) {
+    slot_adjust_column_widths();
+    initial_resize_done_ = true;
+  }
+}
+
+void GRTTreeView::slot_adjust_column_widths() {
+  for (int i = 0; i < model()->columnCount(); ++i) {
+    this->resizeColumnToContents(i);
+  }
+}
+}  // namespace GpgFrontend::UI
+\ No newline at end of file