Add view menu entry and keyboard shortcut to clear table selection

Author: svetter

src/main/main_window.cpp

@@ -172,6 +172,7 @@ void MainWindow::connectUI()
 	connect(autoResizeColumnsAction,		&QAction::triggered,			this,	&MainWindow::handle_autoResizeColumns);
 	connect(resetColumnOrderAction,			&QAction::triggered,			this,	&MainWindow::handle_resetColumnOrder);
 	connect(restoreHiddenColumnsAction,		&QAction::triggered,			this,	&MainWindow::handle_restoreHiddenColumns);
+	connect(clearTableSelectionAction,		&QAction::triggered,			this,	&MainWindow::handle_clearTableSelection);
 	// Menu "New"
 	for (const ItemTypeMapper* const mapper : typesHandler->getAllMappers()) {
 		auto newFunction = [this, mapper] () {
@@ -1467,6 +1468,19 @@ void MainWindow::handle_restoreHiddenColumns()
 	mapper->compTable->updateBothBuffers();
 }
 
+/**
+ * Event handler for the "clear table selection" action in the view menu.
+ * 
+ * Clears the selection of the currently active table.
+ */
+void MainWindow::handle_clearTableSelection()
+{
+	const ItemTypeMapper* const mapper = getActiveMapper();
+	assert(mapper);
+	
+	mapper->tableView->selectionModel()->clearSelection();
+}
+
 
 
 // TOOLS MENU ACTION HANDLERS

src/main/main_window.h

@@ -164,6 +164,7 @@ private slots:
 	void handle_autoResizeColumns();
 	void handle_resetColumnOrder();
 	void handle_restoreHiddenColumns();
+	void handle_clearTableSelection();
 	// Tools menu action handlers
 	void handle_relocatePhotos();
 	void handle_exportData();

src/ui/main_window.ui

@@ -1289,6 +1289,8 @@
     <addaction name="autoResizeColumnsAction"/>
     <addaction name="resetColumnOrderAction"/>
     <addaction name="restoreHiddenColumnsAction"/>
+    <addaction name="separator"/>
+    <addaction name="clearTableSelectionAction"/>
    </widget>
    <widget class="QMenu" name="newMenu">
     <property name="title">
@@ -1506,6 +1508,14 @@
     <string>Show on all tabs</string>
    </property>
   </action>
+  <action name="clearTableSelectionAction">
+   <property name="text">
+    <string>Clear table selection</string>
+   </property>
+   <property name="shortcut">
+    <string notr="true">Esc</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>