Delete components in tree

src/bedit_gui/controllers/document_tree_controller.py

@@ -61,6 +61,12 @@ class DocumentTreeController(QObject):
         document.icon_changed.connect(self._on_icon_changed)
         self.model.rename_document_requested.connect(self.document.rename)
         self.model.rename_component_requested.connect(self.document.rename_component)
+        window.ui.actionDelete.triggered.connect(self.delete_selected_component)
+
+        # Add deselection with esc to this widget
+        window.ui.actionEscape.setShortcutContext(Qt.ShortcutContext.WidgetWithChildrenShortcut)
+        window.ui.documentTree.addAction(window.ui.actionEscape)
+        window.ui.actionEscape.triggered.connect(self.deselect)
 
         window.ui.documentTree.setHeaderHidden(True)
         window.ui.documentTree.setIconSize(QSize(48, 48))
@@ -167,5 +173,15 @@ class DocumentTreeController(QObject):
     def _add_equation_component(self, component: Component) -> None:
         self.document.add_empty_equation_component(component)
 
+    def deselect(self) -> None:
+        self.window.ui.documentTree.selectionModel().clear()
+
+    def delete_selected_component(self) -> None:
+        index = self.window.ui.documentTree.currentIndex()
+        component = self.model.value(index)
+        focused = self.window.ui.documentTree.hasFocus()
+        if focused and isinstance(component, Component):
+            self._delete_component(component)
+
     def _delete_component(self, component: Component) -> None:
         self.document.delete_component(component)

src/bedit_gui/resources/resources.qrc

@@ -1,5 +1,6 @@
 <RCC>
   <qresource prefix="icons">
+    <file>icons/edit-delete.png</file>
     <file>icons/dialog-close.png</file>
     <file>icons/list-remove.png</file>
     <file>icons/list-add.png</file>

src/bedit_gui/ui/forms/main_window.ui

@@ -52,6 +52,8 @@
     <addaction name="actionUndo"/>
     <addaction name="actionRedo"/>
     <addaction name="separator"/>
+    <addaction name="actionDelete"/>
+    <addaction name="separator"/>
     <addaction name="actionSettings"/>
    </widget>
    <widget class="QMenu" name="menuView">
@@ -294,6 +296,35 @@
     <string>Settings</string>
    </property>
   </action>
+  <action name="actionDelete">
+   <property name="icon">
+    <iconset resource="../../resources/resources.qrc">
+     <normaloff>:/icons/icons/edit-delete.png</normaloff>:/icons/icons/edit-delete.png</iconset>
+   </property>
+   <property name="text">
+    <string>Delete</string>
+   </property>
+   <property name="toolTip">
+    <string>Delete selected</string>
+   </property>
+   <property name="shortcut">
+    <string>Del</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionEscape">
+   <property name="text">
+    <string>Escape</string>
+   </property>
+   <property name="shortcut">
+    <string>Esc</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="../../resources/resources.qrc"/>