Implémentation de l'ajustement « en live » du tempo d'exécution de la chanson sur...

git-svn-id: https://svn.cri.ensmp.fr/svn/minwii/trunk@358 fe552daf-6dbe-4428-90eb-1537e0879342

diff --git a/src/minwii/app.py b/src/minwii/app.py
index 95bfaab..c56700a 100755 (executable)
--- a/src/minwii/app.py
+++ b/src/minwii/app.py
@@ -50,6 +50,7 @@ class MinWii(object):
         self.initWiimotes()
         self.firstSong = True
         self.screen = SCREEN_HOME
         self.initWiimotes()
         self.firstSong = True
         self.screen = SCREEN_HOME

+        self.playingScreen = None

     
     def initWiimotes(self) :
         if self.wiimoteSupport :
     
     def initWiimotes(self) :
         if self.wiimoteSupport :


@@ -84,6 +85,10 @@ class MinWii(object):
                     self.synth.inc_gain()
                 elif wiiuse.is_just_pressed(wm, wiiuse.button['-']) :
                     self.synth.dec_gain()
                     self.synth.inc_gain()
                 elif wiiuse.is_just_pressed(wm, wiiuse.button['-']) :
                     self.synth.dec_gain()

+                elif wiiuse.is_just_pressed(wm, wiiuse.button['1']) and self.playingScreen :
+                    self.playingScreen.tempoTrimUp()
+                elif wiiuse.is_just_pressed(wm, wiiuse.button['2']) and self.playingScreen :
+                    self.playingScreen.tempoTrimDown()

 
         elif self.screen in (SCREEN_HOME, SCREEN_INSTRUMENTS) :
             pygame_wiimouse._full_mouse_event_cb(wt, id, wmp)
 
         elif self.screen in (SCREEN_HOME, SCREEN_INSTRUMENTS) :
             pygame_wiimouse._full_mouse_event_cb(wt, id, wmp)


@@ -190,10 +195,11 @@ class MinWii(object):
             playingScreen = PlayingScreen(self.synth)
         else :
             song = musicXml2Song(songFile)
             playingScreen = PlayingScreen(self.synth)
         else :
             song = musicXml2Song(songFile)

-            playingScreen = SongPlayingScreen(self.synth, song, mode=playMode)
+            self.playingScreen = playingScreen = SongPlayingScreen(self.synth, song, mode=playMode)

         playingScreen.run()
         pygame.event.clear()
         EventDispatcher.reset()
         playingScreen.run()
         pygame.event.clear()
         EventDispatcher.reset()

+        self.playingScreen = None

 
 
 class _WTFacade :
 
 
 class _WTFacade :

diff --git a/src/minwii/widgets/playingscreen.py b/src/minwii/widgets/playingscreen.py
index b3438b4..b1dbe80 100755 (executable)
--- a/src/minwii/widgets/playingscreen.py
+++ b/src/minwii/widgets/playingscreen.py
@@ -191,10 +191,11 @@ class PlayingScreen(PlayingScreenBase) :
 
 class SongPlayingScreen(PlayingScreenBase) :
     
 
 class SongPlayingScreen(PlayingScreenBase) :
     

-    def __init__(self, synth, song, mode=PLAYING_MODES_DICT['NORMAL']) :
+    def __init__(self, synth, song, mode=PLAYING_MODES_DICT['NORMAL'], tempoTrim=0) :

         super(SongPlayingScreen, self).__init__(synth, song.distinctNotes)
         self.song = song
         self.quarterNoteDuration = song.quarterNoteDuration
         super(SongPlayingScreen, self).__init__(synth, song.distinctNotes)
         self.song = song
         self.quarterNoteDuration = song.quarterNoteDuration

+        self.tempoTrim = tempoTrim

         self.currentColumn = None
         self.noteIterator = self.song.iterNotes()
         self.displayNext()
         self.currentColumn = None
         self.noteIterator = self.song.iterNotes()
         self.displayNext()


@@ -229,10 +230,7 @@ class SongPlayingScreen(PlayingScreenBase) :
         col = event.column
         if col.state and not self.currentNotePlayed :
             self.playnote(col, event.pos)
         col = event.column
         if col.state and not self.currentNotePlayed :
             self.playnote(col, event.pos)

-            SongPlayingScreen.setNoteTimeout(
-                        int(self.currentNote.duration * \
-                            self.quarterNoteDuration)
-                                            )
+            self.setNoteTimeout()

             self.currentNotePlayed = True
 
     def handleEasyColumnOver(self, event) :
             self.currentNotePlayed = True
 
     def handleEasyColumnOver(self, event) :


@@ -241,10 +239,7 @@ class SongPlayingScreen(PlayingScreenBase) :
            self.cursor.pressed and \
            not self.currentNotePlayed :
             self.playnote(col, event.pos)
            self.cursor.pressed and \
            not self.currentNotePlayed :
             self.playnote(col, event.pos)

-            SongPlayingScreen.setNoteTimeout(
-                        int(self.currentNote.duration * \
-                            self.quarterNoteDuration)
-                                            )
+            self.setNoteTimeout()

             self.currentNotePlayed = True
 
     
             self.currentNotePlayed = True
 
     


@@ -267,10 +262,7 @@ class SongPlayingScreen(PlayingScreenBase) :
         if col.state and \
            not self.currentNotePlayed :
             self.playnote(col, event.pos)
         if col.state and \
            not self.currentNotePlayed :
             self.playnote(col, event.pos)

-            SongPlayingScreen.setNoteTimeout(
-                        int(self.currentNote.duration * \
-                            self.quarterNoteDuration)
-                                            )
+            self.setNoteTimeout()

             self.currentNotePlayed = True
 
 
             self.currentNotePlayed = True
 
 


@@ -327,10 +319,17 @@ class SongPlayingScreen(PlayingScreenBase) :
         self.synth.noteoff(0, self.currentNote.midi)
         self.displayNext()
     
         self.synth.noteoff(0, self.currentNote.midi)
         self.displayNext()
     

-    @staticmethod
-    def setNoteTimeout(delay) :
+    def setNoteTimeout(self) :
+        delay = self.currentNote.duration * self.quarterNoteDuration
+        delay = delay + delay * self.tempoTrim

         pygame.time.set_timer(events.NOTEEND, delay)
     
         pygame.time.set_timer(events.NOTEEND, delay)
     

+    def tempoTrimUp(self, step=0.1) :
+        self.tempoTrim = round(self.tempoTrim - step, 1)
+    
+    def tempoTrimDown(self, step=0.1) :
+        self.tempoTrim = round(self.tempoTrim + step, 1)
+    

     def stop(self) :
         pygame.time.set_timer(events.NOTEEND, 0)
         super(SongPlayingScreen, self).stop()
     def stop(self) :
         pygame.time.set_timer(events.NOTEEND, 0)
         super(SongPlayingScreen, self).stop()