fix: fix slot connect fail log when running app

- fix slot connect fail log when running app
- fix potential memory leak

CMakeLists.txt

@@ -143,6 +143,13 @@ else()
     qt_add_translations(${EXE_NAME} ${ADD_TRANSLATIONS_ADDITIONAL_ARGS} TS_FILES ${PPIC_TS_FILES} QM_FILES_OUTPUT_VARIABLE PPIC_QM_FILES)
 endif()
 
+# YYC MARK:
+# We use this to disable that Qt UIC generate code like `QMetaObject::connectSlotsByName(foobar);`
+# for the header file of `.ui` file, which cause this application outputs log at runtime like
+# `qt.core.qmetaobject.connectslotsbyname: QMetaObject::connectSlotsByName: No matching signal for on_actionXxx_triggered()`,
+# because we only use UIC for building user interface and all signals and actions are managed by ourselves.
+set_target_properties(${EXE_NAME} PROPERTIES AUTOUIC_OPTIONS "-a")
+
 # YYC MARK:
 # This is essential, otherwise Qt UIC generated UI header file
 # can not find our header files if there are custom widgets inside UI file.

app/actionmanager.h

@@ -22,7 +22,6 @@ public:
     void setupAction(MainWindow * mainWindow);
     void setupShortcuts();
 
-public slots:
     void updateActionState(PlaylistManager* pm, GraphicsView* gv);
 
 public:

app/mainwindow.cpp

@@ -180,6 +180,7 @@ MainWindow::MainWindow(QWidget *parent)
 
 MainWindow::~MainWindow()
 {
+    delete m_am;
     delete ui;
 }