Add Cut/Copy/Paste Context Menu

src/gui/mainwindow.cpp

@@ -49,6 +49,19 @@ void MainWindow::init(NeovimConnector *c)
 	m_tabline_bar->addWidget(m_tabline);
 	m_tabline_bar->setVisible(m_shell_options.enable_ext_tabline);
 
+	// Context menu and actions for right-click
+	m_contextMenu = new QMenu();
+	m_actCut = new QAction(QIcon::fromTheme("edit-cut"), QString("Cut"), nullptr /*parent*/);
+	m_actCopy = new QAction(QIcon::fromTheme("edit-copy"), QString("Copy"), nullptr /*parent*/);
+	m_actPaste = new QAction(QIcon::fromTheme("edit-paste"), QString("Paste"), nullptr /*parent*/);
+	m_actSelectAll = new QAction(QIcon::fromTheme("edit-select-all"), QString("Select All"),
+		nullptr /*parent*/);
+	m_contextMenu->addAction(m_actCut);
+	m_contextMenu->addAction(m_actCopy);
+	m_contextMenu->addAction(m_actPaste);
+	m_contextMenu->addSeparator();
+	m_contextMenu->addAction(m_actSelectAll);
+
 	m_nvim = c;
 
 	m_tree = new TreeView(c);
@@ -88,6 +101,16 @@ void MainWindow::init(NeovimConnector *c)
 			this, &MainWindow::neovimTablineUpdate);
 	connect(m_shell, &Shell::neovimShowtablineSet,
 			this, &MainWindow::neovimShowtablineSet);
+	connect(m_shell, &Shell::neovimShowContextMenu,
+			this, &MainWindow::neovimShowContextMenu);
+	connect(m_actCut, &QAction::triggered,
+			this, &MainWindow::neovimSendCut);
+	connect(m_actCopy, &QAction::triggered,
+			this, &MainWindow::neovimSendCopy);
+	connect(m_actPaste, &QAction::triggered,
+			this, &MainWindow::neovimSendPaste);
+	connect(m_actSelectAll, &QAction::triggered,
+			this, &MainWindow::neovimSendSelectAll);
 	m_shell->setFocus(Qt::OtherFocusReason);
 
 	if (m_nvim->errorCause()) {
@@ -338,6 +361,31 @@ void MainWindow::neovimTablineUpdate(int64_t curtab, QList<Tab> tabs)
 	Q_ASSERT(tabs.size() == m_tabline->count());
 }
 
+void MainWindow::neovimShowContextMenu()
+{
+	m_contextMenu->popup(QCursor::pos());
+}
+
+void MainWindow::neovimSendCut()
+{
+	m_nvim->api0()->vim_command_output(R"(normal! "+x)");
+}
+
+void MainWindow::neovimSendCopy()
+{
+	m_nvim->api0()->vim_command(R"(normal! "+y)");
+}
+
+void MainWindow::neovimSendPaste()
+{
+	m_nvim->api0()->vim_command(R"(normal! "+gP)");
+}
+
+void MainWindow::neovimSendSelectAll()
+{
+	m_nvim->api0()->vim_command("normal! ggVG");
+}
+
 void MainWindow::changeTab(int index)
 {
 	if (!m_shell_options.enable_ext_tabline) {

src/gui/mainwindow.h

@@ -48,11 +48,16 @@ private slots:
 	void neovimIsUnsupported();
 	void neovimShowtablineSet(int);
 	void neovimTablineUpdate(int64_t curtab, QList<Tab> tabs);
+	void neovimShowContextMenu();
+	void neovimSendCut();
+	void neovimSendCopy();
+	void neovimSendPaste();
+	void neovimSendSelectAll();
 	void extTablineSet(bool);
 	void changeTab(int index);
 private:
 	void init(NeovimConnector *);
-        NeovimConnector *m_nvim;
+	NeovimConnector *m_nvim;
 	ErrorWidget *m_errorWidget;
 	QSplitter *m_window;
 	TreeView *m_tree;
@@ -63,6 +68,11 @@ private slots:
 	QToolBar *m_tabline_bar;
 	ShellOptions m_shell_options;
 	bool m_neovim_requested_close;
+	QMenu *m_contextMenu;
+	QAction *m_actCut;
+	QAction *m_actCopy;
+	QAction *m_actPaste;
+	QAction *m_actSelectAll;
 };
 
 } // Namespace

src/gui/runtime/doc/nvim_gui_shim.txt

@@ -149,6 +149,14 @@ This can be used to check for a specific GUI in ginit.vim, e.g.
 
 This is a wrapper around |nvim_get_chan_info()|.
 
+							*GuiShowContextMenu()*
+Displays a Cut-Copy-Paste context menu at the current cursor position. This
+menu can be mapped to right click events in ginit.vim, e.g.
+>
+	nnoremap <silent><RightMouse> :call GuiShowContextMenu()<CR>
+	inoremap <silent><RightMouse> <Esc>:call GuiShowContextMenu()<CR>
+	vnoremap <silent><RightMouse> :call GuiShowContextMenu()<CR>gv
+
 ==============================================================================
 4. Internals
 

src/gui/runtime/plugin/nvim_gui_shim.vim

@@ -206,3 +206,8 @@ endfunction
 command! GuiTreeviewToggle call <SID>TreeViewToggle()
 noremap <script> <Plug>GuiTreeviewToggle :call <SID>TreeViewToggle()
 anoremenu <script> Gui.Treeview.Toggle :call <SID>TreeViewShowToggle()
+
+" Show Right-Click ContextMenu
+function GuiShowContextMenu() range
+	call rpcnotify(0, 'Gui', 'ShowContextMenu')
+endfunction

src/gui/shell.cpp

@@ -734,6 +734,8 @@ void Shell::handleNeovimNotification(const QByteArray &name, const QVariantList&
 
 			qDebug() << "Neovim changed clipboard" << data << type << reg_name << clipboard;
 			QGuiApplication::clipboard()->setMimeData(clipData, clipboard);
+		} else if (guiEvName == "ShowContextMenu") {
+			emit neovimShowContextMenu();
 		}
 		return;
 	} else if (name != "redraw") {

src/gui/shell.h

@@ -73,6 +73,7 @@ class Shell: public ShellWidget
 	/// as seen in Tab::tab.
 	void neovimTablineUpdate(int64_t curtab, QList<Tab> tabs);
 	void neovimShowtablineSet(int);
+	void neovimShowContextMenu();
 	void fontChanged();
 
 public slots: