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

[minwii.git] / src / minwii / widgets / playingscreen.py

diff --git a/src/minwii/widgets/playingscreen.py b/src/minwii/widgets/playingscreen.py
index 0e179dd..b1dbe80 100755 (executable)
--- a/src/minwii/widgets/playingscreen.py
+++ b/src/minwii/widgets/playingscreen.py
@@ -10,6 +10,7 @@ import pygame
 import types
 
 import minwii.events as events
+from minwii.log import eventLogger
 from minwii.eventutils import event_handler, EventDispatcher, EventHandlerMixin
 from minwii.musicxml import Tone
 from minwii.config import FRAMERATE
@@ -58,11 +59,16 @@ class PlayingScreenBase(pygame.sprite.LayeredDirty, EventHandlerMixin) :
         columnWidth = int(round(float(dispWidth) / self.keyboardLength))
 
         rects = []
-        for i in range(self.keyboardLength) :
+        for i in range(self.keyboardLength - 1) :
             upperLeftCorner = (i*columnWidth, 0)
             rect = pygame.Rect(upperLeftCorner, (columnWidth, dispHeight))
             rects.append(rect)
         
+        # la dernière colonne à la largeur du reste
+        upperLeftCorner = ((i+1) * columnWidth, 0)
+        rect = pygame.Rect(upperLeftCorner, (dispWidth - (self.keyboardLength - 1) * columnWidth , dispHeight))
+        rects.append(rect)
+        
         self.keyboardRects = rects
     
     def _initColumns(self) :
@@ -99,7 +105,9 @@ class PlayingScreenBase(pygame.sprite.LayeredDirty, EventHandlerMixin) :
 
     @event_handler(pygame.KEYDOWN)       
     def handleKeyDown(self, event) :
-        if event.key == pygame.K_q or event.unicode == u'q':
+        if event.key == pygame.K_q or \
+            event.unicode == u'q' or \
+            pygame.K_ESCAPE:
             self.stop()
     
     @event_handler(pygame.MOUSEBUTTONDOWN)
@@ -160,29 +168,34 @@ class PlayingScreen(PlayingScreenBase) :
 
     def __init__(self, synth) :
         distinctNotes = []
+        self.currentColumn = None
         for midi in self.scale :
             tone = Tone(midi)
             distinctNotes.append(tone)
         
         super(PlayingScreen, self).__init__(synth, distinctNotes)
             
-    @event_handler(events.NOTEON)
-    def noteon(self, evt) :
-        tone = evt.tone
-        self.synth.noteon(0, tone.midi, 96)
-
-    @event_handler(events.NOTEOFF)
-    def noteoff(self, evt) :
-        tone = evt.tone
-        self.synth.noteoff(0, tone.midi)
+    @event_handler(events.COLDOWN)
+    def noteon(self, event) :
+        col = event.column
+        col.update(True)
+        self.currentColumn = col
+        self.playnote(col, event.pos)
 
+    @event_handler(events.COLUP)
+    def noteoff(self, event) :
+        if self.currentColumn :
+            self.currentColumn.update(False)
+            self.synth.noteoff(0, self.currentColumn.tone.midi)
+    
 
 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
+        self.tempoTrim = tempoTrim
         self.currentColumn = None
         self.noteIterator = self.song.iterNotes()
         self.displayNext()
@@ -217,29 +230,23 @@ class SongPlayingScreen(PlayingScreenBase) :
         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) :
         col = event.column
         if col.state and \
-           any(event.mouseEvent.buttons) and \
+           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
 
     
     def handleNormalColumnOver(self, event) :
         col = event.column
         if col.state and \
-           any(event.mouseEvent.buttons) and \
+           self.cursor.pressed and \
            not self.currentNotePlayed :
             self.playnote(col, event.pos)
             self.currentNotePlayed = True
@@ -255,10 +262,7 @@ class SongPlayingScreen(PlayingScreenBase) :
         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
 
 
@@ -292,11 +296,17 @@ class SongPlayingScreen(PlayingScreenBase) :
     def displayNext(self, event=None) :
         if self.currentColumn:
             self.currentColumn.update(False)
-        note, verseIndex = self.noteIterator.next()
+        try :
+            note, verseIndex = self.noteIterator.next()
+        except StopIteration :
+            self.noteIterator = self.song.iterNotes()
+            note, verseIndex = self.noteIterator.next()
+            eventLogger.info(pygame.event.Event(events.SONGEND))
         try :
             syllabus = note.lyrics[verseIndex].syllabus()
         except IndexError :
             syllabus = u'…'
+        
         column = self.columns[note.midi]
         column.update(True, syllabus)
         self.currentColumn = column
@@ -309,10 +319,17 @@ class SongPlayingScreen(PlayingScreenBase) :
         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)
     
+    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()