fix: 按Esc退出鼠标画线模式

app/src/ui/logic_editor_widget.cpp

@@ -2386,6 +2386,20 @@ void LogicEditorWidget::mouseDoubleClickEvent(QMouseEvent *event)
     event->accept();
 }
 
+void LogicEditorWidget::keyPressEvent(QKeyEvent *event)
+{
+    if (event != nullptr
+        && event->key() == Qt::Key_Escape
+        && event->modifiers() == Qt::NoModifier
+        && mouse_wire_mode_ != MouseWireMode::Select)
+    {
+        setMouseWireMode(MouseWireMode::Select);
+        event->accept();
+        return;
+    }
+    QGraphicsView::keyPressEvent(event);
+}
+
 void LogicEditorWidget::drawForeground(
     QPainter *painter, const QRectF &rect)
 {

app/src/ui/logic_editor_widget.h

@@ -15,6 +15,7 @@
 class QGraphicsScene;
 class QCompleter;
 class QEvent;
+class QKeyEvent;
 class QLineEdit;
 class QMouseEvent;
 class QPainter;
@@ -77,6 +78,7 @@ protected:
     void mouseMoveEvent(QMouseEvent *event) override;
     void mouseReleaseEvent(QMouseEvent *event) override;
     void mouseDoubleClickEvent(QMouseEvent *event) override;
+    void keyPressEvent(QKeyEvent *event) override;
     void drawForeground(QPainter *painter, const QRectF &rect) override;
     void resizeEvent(QResizeEvent *event) override;
     void scrollContentsBy(int dx, int dy) override;

app/src/ui/main_window.cpp

@@ -1476,6 +1476,16 @@ void MainWindow::clearActiveSelection()
         logic_editor_widget_->clearSelection();
         selected_logic_node_id_.clear();
         showLogicNodeProperties({});
+        if (logic_editor_widget_->mouseWireMode()
+            != LogicEditorWidget::MouseWireMode::Select)
+        {
+            const QSignalBlocker draw_blocker(ui_->mouseDrawWireAction);
+            const QSignalBlocker erase_blocker(ui_->mouseEraseWireAction);
+            ui_->mouseDrawWireAction->setChecked(false);
+            ui_->mouseEraseWireAction->setChecked(false);
+            logic_editor_widget_->setMouseWireMode(
+                LogicEditorWidget::MouseWireMode::Select);
+        }
     }
 }
 

app/tests/runtime_panel_controller_tests.cpp

@@ -839,6 +839,36 @@ void testWireGesturePreviewKeepsAtomicCommit()
         "undo must restore every cell changed by the gesture");
 }
 
+void testEscapeExitsMouseWireMode()
+{
+    TestProjectStorage storage;
+    ProjectService project_service(storage);
+    LogicEditorService editor(project_service);
+    LogicEditorWidget widget(editor);
+
+    const auto press_escape = [&widget]
+    {
+        QKeyEvent event(
+            QEvent::KeyPress,
+            Qt::Key_Escape,
+            Qt::NoModifier);
+        QApplication::sendEvent(&widget, &event);
+        require(event.isAccepted(), "escape must be consumed by the logic editor");
+    };
+
+    widget.setMouseWireMode(LogicEditorWidget::MouseWireMode::Draw);
+    press_escape();
+    require(
+        widget.mouseWireMode() == LogicEditorWidget::MouseWireMode::Select,
+        "escape must exit mouse draw mode");
+
+    widget.setMouseWireMode(LogicEditorWidget::MouseWireMode::Erase);
+    press_escape();
+    require(
+        widget.mouseWireMode() == LogicEditorWidget::MouseWireMode::Select,
+        "escape must exit mouse erase mode");
+}
+
 void testCursorAdvanceAndInlineCommandInput()
 {
     TestProjectStorage storage;
@@ -1232,6 +1262,7 @@ int main(int argc, char *argv[])
         testLogicEditorGridSelectionAndDeletion();
         testLadderLayoutAndDragDeletion();
         testWireGesturePreviewKeepsAtomicCommit();
+        testEscapeExitsMouseWireMode();
         testCursorAdvanceAndInlineCommandInput();
         testVerticalWireShortcutAdvancesDownward();
         testSegmentLevelTraceProjection();