Gui: fix Customize -> Keyboard shortcut priroity list

Add API Command::initAction() to force create action for all commands
with shortcut in order to register with ShortcutManager to obtain a
complete list of actions with the same shortcut.

src/Gui/Command.cpp

@@ -259,7 +259,7 @@ bool Command::isViewOfType(Base::Type t) const
         return false;
 }
 
-void Command::addTo(QWidget *pcWidget)
+void Command::initAction()
 {
     if (!_pcAction) {
         _pcAction = createAction();
@@ -271,7 +271,11 @@ void Command::addTo(QWidget *pcWidget)
         setShortcut(ShortcutManager::instance()->getShortcut(getName(), getAccel()));
         testActive();
     }
+}
 
+void Command::addTo(QWidget *pcWidget)
+{
+    initAction();
     _pcAction->addTo(pcWidget);
 }
 
@@ -283,16 +287,7 @@ void Command::addToGroup(ActionGroup* group, bool checkable)
 
 void Command::addToGroup(ActionGroup* group)
 {
-    if (!_pcAction) {
-        _pcAction = createAction();
-#ifdef FC_DEBUG
-        // Accelerator conflict can now be dynamically resolved in ShortcutManager
-        //
-        // printConflictingAccelerators();
-#endif
-        setShortcut(ShortcutManager::instance()->getShortcut(getName(), getAccel()));
-        testActive();
-    }
+    initAction();
     group->addAction(_pcAction->findChild<QAction*>());
 }
 

src/Gui/Command.h

@@ -345,8 +345,6 @@ public:
     void testActive();
     /// Enables or disables the command
     void setEnabled(bool);
-    /// (Re)Create the text for the tooltip (for example, when the shortcut is changed)
-    void recreateTooltip(const char* context, Action*);
     /// Command trigger source
     enum TriggerSource {
         /// No external trigger, e.g. invoked through Python
@@ -370,6 +368,8 @@ public:
     void addTo(QWidget *);
     void addToGroup(ActionGroup *, bool checkable);
     void addToGroup(ActionGroup *);
+    /// Create the action if not exist
+    void initAction();
     //@}
 
 

src/Gui/DlgKeyboardImp.cpp

@@ -78,6 +78,17 @@ DlgCustomKeyboardImp::DlgCustomKeyboardImp( QWidget* parent  )
 {
     ui->setupUi(this);
 
+    // Force create actions for all commands with shortcut to register with ShortcutManager
+    for (auto cmd : Application::Instance->commandManager().getAllCommands()) {
+        if (cmd->getShortcut().size())
+            cmd->initAction();
+    }
+    QObject::connect(ShortcutManager::instance(), &ShortcutManager::shortcutChanged, this,
+        [](const char *cmdName) {
+            if (auto cmd = Application::Instance->commandManager().getCommandByName(cmdName))
+                cmd->initAction();
+        });
+
     conn = initCommandWidgets(ui->commandTreeWidget,
                               nullptr,
                               ui->categoryBox,