Define prestart attribute on ButtonMark to place buttons before start

events.py

@@ -178,12 +178,13 @@ class SetMark(Event):
         pass
 
 class ButtonMark(Event):
-    def __init__(self, name, *args, **kwargs):
+    def __init__(self, name, prestart=False, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self._name = name
+        self._prestart = prestart
 
     def prepare(self):
-        self._at._timings.register_mark(self._name, None)
+        self._at._timings.register_mark(self._name, None, self._prestart)
 
     def start(self):
         self._eventrunner.finished(self)

gig.py

@@ -52,6 +52,8 @@ class EventRunner:
         if self._playing is not None:
             return self.activate()
         elif self._selected is not None:
+            if self._next_button_is_prestart:
+                return self.activate()
             self.play()
             return True
         return False
@@ -77,6 +79,7 @@ class EventRunner:
                 print("Scheduled event {} at {} ({} from now)".format(event, event.at, event.at - now))
                 event.scheduled = True
         self._next_button = self._currentitem.get_next_button()
+        self._next_button_is_prestart = self._currentitem.is_button_prestart(self._next_button)
         return True
 
     def stop(self):
@@ -127,7 +130,10 @@ class EventRunner:
                 button = "Select next"
         elif self._selected is not None:
             status = 'Selected {}'.format(self.get_item().get_title())
-            button = "Play"
+            if (self._next_button is not None) and self._next_button_is_prestart:
+                button = "Marker {}".format(self._next_button)
+            else:
+                button = "Play"
         else:
             status = 'Waiting'
             button = "Select"
@@ -249,7 +255,8 @@ class MainWindow(pyglet.window.Window):
                     self.update_cursor(self._cursorpos + 1)
                     self._eventrunner.select(self._cursorpos)
         elif self._selectpos == self._cursorpos:
-            self._eventrunner.play()
+            if not self._eventrunner.advance():
+                self._eventrunner.play()
         else:
             self._eventrunner.select(self._cursorpos)
         self.update_objects()

item.py

@@ -42,6 +42,9 @@ class Item:
     def get_next_button(self):
         return self._timings.get_button()
 
+    def is_button_prestart(self, name):
+        return self._timings.is_button_prestart(name)
+
     def get_title(self):
         return self._title
 

timings.py

@@ -17,6 +17,7 @@ class Timings:
         self._markers = {}
         self._marker_objects = {}
         self._marker_buttons = []
+        self._marker_buttons_prestart = {}
         self._tempo_objects = []
         self._tempo = []
         self._resolved = False
@@ -36,6 +37,12 @@ class Timings:
                 return button
         return None
 
+    def is_button_prestart(self, name):
+        if name in self._marker_buttons_prestart:
+            return True
+
+        return False
+
     def add_timing(self, timing):
         self._timings.append(timing)
         self._resolved = False
@@ -73,10 +80,12 @@ class Timings:
         #print("beat_at({}) = {}".format(at, 60 / tempo))
         return 60 / tempo
 
-    def register_mark(self, name, at):
+    def register_mark(self, name, at, prestart=False):
         self._marker_objects[name] = at
         if at is None:
             self._marker_buttons.append(name)
+        if prestart:
+            self._marker_buttons_prestart[name] = True
         self._resolved = False
 
     def register_tempo(self, tempo, beats, at):