Editor context menu: added a close Action to clear the view

src/editorwidget.cpp

@@ -31,12 +31,12 @@ EditorWidget::EditorWidget(QWidget* parent)
     layout->addWidget(m_editor);
     layout->setContentsMargins(0, 0, 0, 0);
     // m_toolBar->addAction("save", [&] { save(); });
-    m_editor->setReadOnly(true);
     m_watcher = new QFileSystemWatcher(this);
 
     // connect(this, &EditorWidget::openedFile, this, [=] { setVisible(true); });
     // connect(this, &EditorWidget::closedFile, this, [=] { setVisible(false); });
     connect(m_watcher, &QFileSystemWatcher::fileChanged, this, [=] { reload(); });
+    connect(m_editor, &MarkdownEditorWidget::toClose, this, &EditorWidget::closeFile);
 }
 
 

src/markdowneditorwidget.cpp

@@ -1,5 +1,52 @@
+/*************************************************************************
+ * DeepTags, Markdown Notes Manager
+ * Copyright (C) 2020  Zineddine Saibi
+ *
+ * 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/>.
+ *************************************************************************/
 #include "markdowneditorwidget.h"
+#include <QContextMenuEvent>
+#include <QMenu>
 
 MarkdownEditorWidget::MarkdownEditorWidget(QWidget* parent)
-    : QMarkdownTextEdit(parent)
-{}
+    : QMarkdownTextEdit(parent), m_occupied(false)
+{
+    setReadOnly(true);
+}
+
+void MarkdownEditorWidget::contextMenuEvent(QContextMenuEvent *event) {
+    QMenu *menu = createStandardContextMenu();
+    QAction* closeFileAction = new QAction(tr("Close File"), this);
+    menu->addSeparator();
+    menu->addAction(closeFileAction);
+    closeFileAction->setEnabled(m_occupied);
+
+    connect(closeFileAction, &QAction::triggered, [this]{ emit this->toClose(); });
+    menu->exec(event->globalPos());
+
+    delete menu;
+    delete closeFileAction;
+}
+
+void MarkdownEditorWidget::clear() {
+    QPlainTextEdit::clear();
+    setOccupied(false);
+}
+
+void MarkdownEditorWidget::setText(const QString& text) {
+    QMarkdownTextEdit::setText(text);
+    setOccupied(true);
+}
+
+

src/markdowneditorwidget.h

@@ -1,10 +1,39 @@
+/*************************************************************************
+ * DeepTags, Markdown Notes Manager
+ * Copyright (C) 2020  Zineddine Saibi
+ *
+ * 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/>.
+ *************************************************************************/
 #include <qmarkdowntextedit.h>
 
 class MarkdownEditorWidget : public QMarkdownTextEdit
 {
     Q_OBJECT
 public:
     explicit MarkdownEditorWidget(QWidget* parent=nullptr);
-
+    ~MarkdownEditorWidget() {};
+    void contextMenuEvent(QContextMenuEvent *event) override;
+    inline void setOccupied(bool o) { m_occupied = o; }
+    inline bool occupied() const { return m_occupied; }
+    void clear();
+    void setText(const QString& text);
+
+signals:
+    void toClose();
+
+private:
+    /* is there a file displayed or not */
+    bool m_occupied;
 };