Metronome and Stopwatch User Interface

New Timer window in UI for Metronome (Ableton Link management) and replaces Timers. Former Timers in Metrics are replaced with Runtime (of session, of program and of total vimix runtime in settings). Temporarily disconnected Metronome from MediaPlayer actions.

Settings.h

@@ -25,10 +25,11 @@ struct WidgetsConfig
     int  preview_view;
     bool media_player;
     int  media_player_view;
+    bool timer;
+    int  timer_view;
     bool timeline_editmode;
     bool shader_editor;
     bool toolbox;
-    bool history;
     bool help;
 
     WidgetsConfig() {
@@ -38,13 +39,14 @@ struct WidgetsConfig
         logs = false;
         preview = false;
         preview_view = -1;
-        history = false;
         media_player = false;
         media_player_view = -1;
         timeline_editmode = false;
         shader_editor = false;
         toolbox = false;
         help = false;
+        timer = false;
+        timer_view = -1;
     }
 };
 
@@ -168,18 +170,22 @@ struct SourceConfig
     }
 };
 
-struct MetronomeConfig
+struct TimerConfig
 {
-    bool start_stop_sync;
-    double tempo;
-    double quantum;
-    bool sync_tempo;
+    uint64_t mode;
+    bool link_enabled;
+    double link_tempo;
+    double link_quantum;
+    bool link_start_stop_sync;
+    uint64_t stopwatch_duration;
 
-    MetronomeConfig() {
-        start_stop_sync = true;
-        tempo = 120.;
-        quantum = 4.;
-        sync_tempo = true;
+    TimerConfig() {
+        mode = 0;
+        link_enabled = true;
+        link_tempo = 120.;
+        link_quantum = 4.;
+        link_start_stop_sync = true;
+        stopwatch_duration = 60;
     }
 };
 
@@ -192,6 +198,7 @@ struct Application
     // Verification
     std::string name;
     std::string executable;
+    uint64_t total_runtime;
 
     // Global settings Application interface
     float scale;
@@ -238,8 +245,8 @@ struct Application
     History recentImport;
     std::map< std::string, std::string > dialogRecentFolder;
 
-    // Metronome
-    MetronomeConfig metronome;
+    // Metronome & stopwatch
+    TimerConfig timer;
 
     Application() : fresh_start(false), instance_id(0), name(APP_NAME), executable(APP_NAME) {
         scale = 1.f;
@@ -268,7 +275,7 @@ struct Application
 extern Application application;
 
 // Save and Load store settings in XML file
-void Save();
+void Save(uint64_t runtime = 0);
 void Load();
 void Lock();
 void Unlock();