original https://raw.githubusercontent.com/VDR4Arch/vdr4arch/master/vdr/vdr-MainMenuHooks.patch

rebased for media-video/vdr-2.4.1

Signed-off-by: Joerg Bornkessel <hd_brummy@gentoo.org> ( 2019 Dez 22 )
diff -Naur vdr-2.4.1.orig/config.h vdr-2.4.1/config.h
--- vdr-2.4.1.orig/config.h	2019-12-22 00:04:59.000000000 +0100
+++ vdr-2.4.1/config.h	2019-12-22 00:11:25.000000000 +0100
@@ -36,6 +36,10 @@
 // plugins to work with newer versions of the core VDR as long as no
 // VDR header files have changed.
 
+// The MainMenuHook Patch's version number:
+#define MAINMENUHOOKSVERSION "1.0.1"
+#define MAINMENUHOOKSVERSNUM 10001  // Version * 10000 + Major * 100 + Minor
+
 #define MAXPRIORITY       99
 #define MINPRIORITY       (-MAXPRIORITY)
 #define LIVEPRIORITY      0                  // priority used when selecting a device for live viewing
diff -Naur vdr-2.4.1.orig/menu.c vdr-2.4.1/menu.c
--- vdr-2.4.1.orig/menu.c	2019-12-22 00:04:59.000000000 +0100
+++ vdr-2.4.1/menu.c	2019-12-22 00:11:25.000000000 +0100
@@ -4395,15 +4395,31 @@
 
   // Initial submenus:
 
+  cOsdObject *menu = NULL;
   switch (State) {
-    case osSchedule:   AddSubMenu(new cMenuSchedule); break;
-    case osChannels:   AddSubMenu(new cMenuChannels); break;
-    case osTimers:     AddSubMenu(new cMenuTimers); break;
-    case osRecordings: AddSubMenu(new cMenuRecordings(NULL, 0, OpenSubMenus)); break;
-    case osSetup:      AddSubMenu(new cMenuSetup); break;
-    case osCommands:   AddSubMenu(new cMenuCommands(tr("Commands"), &Commands)); break;
+    case osSchedule:
+        if (!cPluginManager::CallFirstService("MainMenuHooksPatch-v1.0::osSchedule", &menu))
+            menu = new cMenuSchedule;
+        break;
+    case osChannels:
+        if (!cPluginManager::CallFirstService("MainMenuHooksPatch-v1.0::osChannels", &menu))
+            menu = new cMenuChannels;
+        break;
+    case osTimers:
+        if (!cPluginManager::CallFirstService("MainMenuHooksPatch-v1.0::osTimers", &menu))
+            menu = new cMenuTimers;
+        break;
+    case osRecordings:
+        if (!cPluginManager::CallFirstService("MainMenuHooksPatch-v1.0::osRecordings", &menu))
+            menu = new cMenuRecordings(NULL, 0, OpenSubMenus);
+        break;
+    case osSetup:      menu = new cMenuSetup; break;
+    case osCommands:   menu = new cMenuCommands(tr("Commands"), &Commands); break;
     default: break;
     }
+  if (menu)
+     if (menu->IsMenu())
+        AddSubMenu((cOsdMenu *) menu);
 }
 
 cOsdObject *cMenuMain::PluginOsdObject(void)
@@ -4511,13 +4527,34 @@
   eOSState state = cOsdMenu::ProcessKey(Key);
   HadSubMenu |= HasSubMenu();
 
+  cOsdObject *menu = NULL;
   switch (state) {
-    case osSchedule:   return AddSubMenu(new cMenuSchedule);
-    case osChannels:   return AddSubMenu(new cMenuChannels);
-    case osTimers:     return AddSubMenu(new cMenuTimers);
-    case osRecordings: return AddSubMenu(new cMenuRecordings);
-    case osSetup:      return AddSubMenu(new cMenuSetup);
-    case osCommands:   return AddSubMenu(new cMenuCommands(tr("Commands"), &Commands));
+    case osSchedule:
+        if (!cPluginManager::CallFirstService("MainMenuHooksPatch-v1.0::osSchedule", &menu))
+            menu = new cMenuSchedule;
+        else
+            state = osContinue;
+        break;
+    case osChannels:
+        if (!cPluginManager::CallFirstService("MainMenuHooksPatch-v1.0::osChannels", &menu))
+            menu = new cMenuChannels;
+        else
+            state = osContinue;
+        break;
+    case osTimers:
+        if (!cPluginManager::CallFirstService("MainMenuHooksPatch-v1.0::osTimers", &menu))
+            menu = new cMenuTimers;
+        else
+            state = osContinue;
+        break;
+    case osRecordings:
+        if (!cPluginManager::CallFirstService("MainMenuHooksPatch-v1.0::osRecordings", &menu))
+            menu = new cMenuRecordings;
+        else
+            state = osContinue;
+        break;
+    case osSetup:      menu = new cMenuSetup; break;
+    case osCommands:   menu = new cMenuCommands(tr("Commands"), &Commands); break;
     case osStopRecord: if (Interface->Confirm(tr("Stop recording?"))) {
                           if (cOsdItem *item = Get(Current())) {
                              cRecordControls::Stop(item->Text() + strlen(tr(STOP_RECORDING)));
@@ -4568,6 +4605,12 @@
                default:      break;
                }
     }
+  if (menu) {
+     if (menu->IsMenu())
+        return AddSubMenu((cOsdMenu *) menu);
+     pluginOsdObject = menu;
+     return osPlugin;
+  } 
   if (!HasSubMenu() && Update(HadSubMenu))
      Display();
   if (Key != kNone) {