Show notebooks in a tree widget

main_window.cpp

@@ -16,15 +16,19 @@
  */
 
 #include "main_window.hpp"
+#include "notebook_tree_model.hpp"
 #include "config.h"
-#include <QLabel>
+#include <QTreeView>
 
 namespace duck {
-MainWindow::MainWindow() {
+MainWindow::MainWindow (Node* tree) :
+	m_tree(new QTreeView)
+{
 	setWindowTitle(APP_NAME);
-	QLabel* const main_label = new QLabel("Main label thing");
-	setCentralWidget(main_label);
-	main_label->setAlignment(Qt::AlignCenter);
+	setCentralWidget(m_tree);
+
+	auto* model = new NotebookTreeModel(tree, m_tree);
+	m_tree->setModel(model);
 }
 
 MainWindow::~MainWindow() noexcept = default;

main_window.hpp

@@ -19,11 +19,18 @@
 
 #include <QMainWindow>
 
+class QTreeView;
+
 namespace duck {
+class Node;
+
 class MainWindow : public QMainWindow {
 	Q_OBJECT
 public:
-	MainWindow();
+	MainWindow (Node* tree);
 	virtual ~MainWindow() noexcept;
+
+private:
+	QTreeView* m_tree;
 };
 } //namespace duck

meson.build

@@ -20,7 +20,10 @@ qt5 = import('qt5')
 qt5_dep = dependency('qt5', modules: ['Core', 'Gui', 'Widgets'])
 
 moc_files = qt5.preprocess(
-  moc_headers: 'main_window.hpp',
+  moc_headers: [
+	'main_window.hpp',
+	'notebook_tree_model.hpp',
+  ],
   dependencies: qt5_dep
 )
 
@@ -33,6 +36,7 @@ executable(meson.project_name(),
   'main_window.cpp',
   moc_files,
   'notebook_tree.cpp',
+  'notebook_tree_model.cpp',
   dependencies: [
 	simdjson_dep,
 	qt5_dep,

notebook_tree_model.cpp

@@ -0,0 +1,90 @@
+/* Copyright 2021, Michele Santullo
+ * This file is part of remarkable_tool.
+ *
+ * remarkable_tool 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.
+ *
+ * Remarkable_tool 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 remarkable_tool.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "notebook_tree_model.hpp"
+#include "notebook_tree.hpp"
+
+namespace duck {
+NotebookTreeModel::NotebookTreeModel (Node* root, QObject* parent) :
+	QAbstractItemModel(parent),
+	m_tree(root)
+{
+}
+
+NotebookTreeModel::~NotebookTreeModel() noexcept = default;
+
+int NotebookTreeModel::rowCount (const QModelIndex& parent) const {
+	if (parent.column() > 0)
+		return 0;
+
+	if (not parent.isValid())
+		return static_cast<int>(m_tree->children.size());
+	else
+		return static_cast<int>(static_cast<Node*>(parent.internalPointer())->children.size());
+}
+
+int NotebookTreeModel::columnCount (const QModelIndex&) const {
+	return 1;
+}
+
+Qt::ItemFlags NotebookTreeModel::flags (const QModelIndex& index) const {
+	if (!index.isValid())
+		return Qt::NoItemFlags;
+
+	return QAbstractItemModel::flags(index);
+}
+
+QModelIndex NotebookTreeModel::index (
+	int row,
+	int column,
+	const QModelIndex& parent
+) const {
+	if (not hasIndex(row, column, parent))
+		return {};
+
+	Node* const parent_item = (parent.isValid() ? static_cast<Node*>(parent.internalPointer()) : m_tree);
+	Node* child_item = &parent_item->children[row];
+	return createIndex(row, column, child_item);
+}
+
+QVariant NotebookTreeModel::data (const QModelIndex& index, int role) const {
+	if (not index.isValid() or role != Qt::DisplayRole)
+		return {};
+
+	Node* const item = static_cast<Node*>(index.internalPointer());
+	return QString::fromUtf8(item->info->visible_name.data(), static_cast<int>(item->info->visible_name.size()));
+}
+
+QVariant NotebookTreeModel::headerData (int section, Qt::Orientation orientation, int role) const {
+	return {};
+}
+
+QModelIndex NotebookTreeModel::parent (const QModelIndex& index) const {
+	if (not index.isValid())
+		return {};
+
+	Node* const curr_node = static_cast<Node*>(index.internalPointer());
+	if (curr_node->parent == m_tree) {
+		return {};
+	}
+	else {
+		const Node* const parent_node = curr_node->parent;
+		const int parent_index = static_cast<int>(parent_node - parent_node->parent->children.data());
+		return createIndex(parent_index, 0, const_cast<Node*>(parent_node));
+	}
+}
+} //namespace duck

notebook_tree_model.hpp

@@ -0,0 +1,42 @@
+/* Copyright 2021, Michele Santullo
+ * This file is part of remarkable_tool.
+ *
+ * remarkable_tool 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.
+ *
+ * Remarkable_tool 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 remarkable_tool.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QAbstractItemModel>
+
+namespace duck {
+class Node;
+
+class NotebookTreeModel : public QAbstractItemModel {
+	Q_OBJECT
+public:
+	NotebookTreeModel (Node* root, QObject* parent);
+	virtual ~NotebookTreeModel() noexcept;
+
+	int rowCount (const QModelIndex& parent = QModelIndex()) const override;
+	int columnCount (const QModelIndex& parent = QModelIndex()) const override;
+	Qt::ItemFlags flags (const QModelIndex& index) const override;
+	QModelIndex index (int row, int column, const QModelIndex& parent = QModelIndex()) const override;
+	QVariant data (const QModelIndex& index, int role) const override;
+	QVariant headerData (int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+	QModelIndex parent (const QModelIndex& index) const override;
+
+private:
+	Node* m_tree;
+};
+} //namespace duck