layers sous forme de constantes globales.

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

diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py
index 055ed71..7e94d0e 100755 (executable)
--- a/src/app/widgets/playingscreen.py
+++ b/src/app/widgets/playingscreen.py
@@ -9,66 +9,61 @@ $URL$
 import pygame
 from colorsys import hls_to_rgb
 from gradients import gradients
 import pygame
 from colorsys import hls_to_rgb
 from gradients import gradients

+from cursors import WarpingCursor
+import events
+from eventutils import event_handler, EventDispatcher, EventHandlerMixin

 from math import floor
 import types
 from math import floor
 import types

-# TODO : positionner cette constance en fonction de la résolution d'affichage
-# externaliser la conf.
-BORDER = 5 # 5px
-FIRST_HUE = 0.6
-OFF_LUMINANCE = 0.2
-OFF_SATURATION = 1
-ON_TOP_LUMINANCE = 0.6
-ON_BOTTOM_LUMINANCE = 0.9
-ON_SATURATION = 1
-ON_COLUMN_OVERSIZING = 1.5
+from musicxml import Tone
+import fluidsynth

 
 

+from config import FRAMERATE
+from config import BORDER
+from config import FIRST_HUE
+from config import OFF_LUMINANCE
+from config import OFF_SATURATION
+from config import ON_TOP_LUMINANCE
+from config import ON_BOTTOM_LUMINANCE
+from config import ON_SATURATION
+from config import ON_COLUMN_OVERSIZING
+from config import ON_COLUMN_ALPHA
+from config import FONT
+from config import FONT_COLOR

 
 

-def event_handler(eventType) :
-    def doRename(m) :
-        m.__name__ = 'eventHandler%s' % eventType
-        return m
-    return doRename
+BACKGROUND_LAYER = 0
+FOREGROUND_LAYER = 1
+CURSOR_LAYER = 2

 
 

+class _PlayingScreenBase(pygame.sprite.LayeredDirty, EventHandlerMixin) :

 
 

-class MetaRenamer(type):
-    def __new__(mcs, name, bases, dict) :
-        for k, v in dict.items() :
-            if isinstance(v, types.FunctionType) :
-                if k != v.__name__ :
-                    print 'renommage de %s en %s' % (k, v.__name__)
-                    dict[v.__name__] = v
-                    del dict[k]
-        return type.__new__(mcs, name, bases, dict)
-
-
-class _PlayingScreenBase(pygame.sprite.OrderedUpdates) :
-
-    __metaclass__ = MetaRenamer
-
-    def __init__(self, distinctNotes=[]) :
+    def __init__(self, synth, distinctNotes=[]) :

         """
         distinctNotes : notes disctinctes présentes dans la chanson
         triées du plus grave au plus aigu.
         """
         super(_PlayingScreenBase, self).__init__()
         """
         distinctNotes : notes disctinctes présentes dans la chanson
         triées du plus grave au plus aigu.
         """
         super(_PlayingScreenBase, self).__init__()

+        self.synth = synth

         self.distinctNotes = distinctNotes
         self.keyboardLength = 0
         self.keyboardRects = []
         self.distinctNotes = distinctNotes
         self.keyboardLength = 0
         self.keyboardRects = []

+        self.cursor = None

         self._initRects()
         self._initColumns()
         self._running = False
         self._initRects()
         self._initColumns()
         self._running = False

-            
+        self.draw(pygame.display.get_surface())
+        self._initCursor()

     
     
     def _initRects(self) :
         """ création des espaces réservés pour
             afficher les colonnes.
         """
     
     
     def _initRects(self) :
         """ création des espaces réservés pour
             afficher les colonnes.
         """

-        ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi
-        if ambitus <= 12 :
-            self.keyboardLength = 8
-        else :
-            self.keyboardLength = 11
+        #ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi
+        #if ambitus <= 12 :
+        #    self.keyboardLength = 8
+        #else :
+        #    self.keyboardLength = 11
+        self.keyboardLength = len(self.distinctNotes)

         
         screen = pygame.display.get_surface()
 
         
         screen = pygame.display.get_surface()
 


@@ -91,85 +86,139 @@ class _PlayingScreenBase(pygame.sprite.OrderedUpdates) :
         hueStep = FIRST_HUE / (self.keyboardLength - 1)
         for i, rect in enumerate(self.keyboardRects) :
             hue = FIRST_HUE - hueStep * i
         hueStep = FIRST_HUE / (self.keyboardLength - 1)
         for i, rect in enumerate(self.keyboardRects) :
             hue = FIRST_HUE - hueStep * i

-            print hue
-            c = Column(hue, rect)
-            self.add(c)
-            
-        
-    def highlightColumn(self, index) :
-        for i, sprite in enumerate(self.sprites()) :
-            sprite.update(i==index)
-        self.draw(pygame.display.get_surface())
+            tone = self.distinctNotes[i]
+            c = Column(self, hue, rect, tone)
+            self.add(c, layer=BACKGROUND_LAYER)

     
     

+    def _initCursor(self) :
+        self.cursor = WarpingCursor(blinkMode=True)
+        self.add(self.cursor, layer=CURSOR_LAYER)
+        

     def run(self):
         self._running = True
     def run(self):
         self._running = True

+        clock = pygame.time.Clock()
+        pygame.display.flip()
+        pygame.mouse.set_visible(False)

         while self._running :
         while self._running :

-            pygame.display.flip()
-            events = pygame.event.get()
-            for event in events:
-                self.input(event)
-
-    def input(self, event) :
-        handler = getattr(self, 'eventHandler%s' % event.type, lambda e:None)
-        handler(event)
-    
+            EventDispatcher.dispatchEvents()
+            dirty = self.draw(pygame.display.get_surface())
+            pygame.display.update(dirty)
+            clock.tick(FRAMERATE)
+
+        pygame.mouse.set_visible(True)
+        self.cursor._stopBlink()
+

     @event_handler(pygame.KEYDOWN)       
     def handleKeyDown(self, event) :
         if event.key == pygame.K_q:
             self._running = False
     @event_handler(pygame.KEYDOWN)       
     def handleKeyDown(self, event) :
         if event.key == pygame.K_q:
             self._running = False

-        uni = event.unicode

         
         

-        if uni.isdigit() and int(uni) <=8 :
-            self.highlightColumn(int(uni))
-    
-    @event_handler(pygame.MOUSEMOTION)
-    def handleMouseMotion(self, event) :

         
         

+class PlayingScreen(_PlayingScreenBase) :
+    "fenêtre de jeu pour improvisation"
+    scale = [55, 57, 59, 60, 62, 64, 65, 67, 69, 71, 72]
+
+    def __init__(self, synth) :
+        distinctNotes = []
+        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, 64)
+
+    @event_handler(events.NOTEOFF)
+    def noteoff(self, evt) :
+        tone = evt.tone
+        self.synth.noteoff(0, tone.midi)
+

 
 class SongPlayingScreen(_PlayingScreenBase) :
     
 
 class SongPlayingScreen(_PlayingScreenBase) :
     

-    def __init__(self, song) :
-        super(SongPlayingScreen, self).__init__(song.distinctNotes)
+    def __init__(self, synth, song) :
+        super(SongPlayingScreen, self).__init__(synth, song.distinctNotes)

         self.song = song
         self.song = song

+    
+    @event_handler(events.NOTEON)
+    def noteon(self, evt) :
+        tone = evt.tone
+        self.synth.noteon(0, tone.midi, 64)
+
+    @event_handler(events.NOTEOFF)
+    def noteoff(self, evt) :
+        tone = evt.tone
+        self.synth.noteoff(0, tone.midi)

 
 

-class SongPlayingScreenTest(_PlayingScreenBase) :
-    def __init__(self) :
-        class C:pass
-        o = C()
-        o.midi=1
-        super(SongPlayingScreenTest, self).__init__([o])

     
 
     
 

-class Column(pygame.sprite.Sprite) :
+class Column(pygame.sprite.DirtySprite, EventHandlerMixin) :

     
     

-    def __init__(self, hue, rect) :
-        pygame.sprite.Sprite.__init__(self)
+    def __init__(self, group, hue, rect, tone) :
+        pygame.sprite.DirtySprite.__init__(self, group)
+        self.tone = tone
+        toneName = FONT.render(tone.nom, True, (0,0,0))        

         sur = pygame.surface.Surface(rect.size)
         rgba = hls_to_rgba_8bits(hue, OFF_LUMINANCE, OFF_SATURATION)
         sur.fill(rgba)
         sur = pygame.surface.Surface(rect.size)
         rgba = hls_to_rgba_8bits(hue, OFF_LUMINANCE, OFF_SATURATION)
         sur.fill(rgba)

+        w, h = rect.w, rect.h
+        tw, th, = toneName.get_size()
+        toneRect = pygame.Rect(((w - tw) / 2, h - th), (tw, th))
+        sur.blit(toneName, toneRect)

         self.stateOff = sur
         self.rectOff = rect
         
         self.stateOff = sur
         self.rectOff = rect
         

-        topRgba = hls_to_rgba_8bits(hue, ON_TOP_LUMINANCE, ON_SATURATION)
-        bottomRgba = hls_to_rgba_8bits(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION)
-        rectOn = rect.inflate(ON_COLUMN_OVERSIZING * rect.width, 0)
+        topRgba = hls_to_rgba_8bits(hue, ON_TOP_LUMINANCE, ON_SATURATION, ON_COLUMN_ALPHA)
+        bottomRgba = hls_to_rgba_8bits(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION, ON_COLUMN_ALPHA)
+        onWidth = rect.width * ON_COLUMN_OVERSIZING
+        onLeft = rect.centerx - onWidth / 2
+        rectOn = pygame.Rect((onLeft, 0),
+                             (onWidth, rect.height))

         self.stateOn = gradients.vertical(rectOn.size, topRgba, bottomRgba)
         self.stateOn = gradients.vertical(rectOn.size, topRgba, bottomRgba)

+        w, h = rectOn.w, rectOn.h
+        toneRect = pygame.Rect(((w - tw) / 2, h - th), (tw, th))
+        self.stateOn.blit(toneName, toneRect)

         self.rectOn = rectOn
         
         self.image = self.stateOff
         self.rect = rect
     
     def update(self, state) :
         self.rectOn = rectOn
         
         self.image = self.stateOff
         self.rect = rect
     
     def update(self, state) :

+        group = self.groups()[0]

         if state :
         if state :

+            group.change_layer(self, FOREGROUND_LAYER)

             self.image = self.stateOn
             self.rect = self.rectOn
         else :
             self.image = self.stateOn
             self.rect = self.rectOn
         else :

+            group.change_layer(self, BACKGROUND_LAYER)

             self.image = self.stateOff
             self.rect = self.rectOff
             self.image = self.stateOff
             self.rect = self.rectOff

+    
+    @event_handler(pygame.MOUSEBUTTONDOWN)
+    def onMouseDown(self, event) :
+        if self.rect.collidepoint(*event.pos) :
+            self.update(True)
+            self.raiseNoteOn()
+
+    @event_handler(pygame.MOUSEBUTTONUP)
+    def onMouseUp(self, event) :
+        self.update(False)
+        self.raiseNoteOff()
+    
+    def raiseNoteOn(self) :
+        evt = pygame.event.Event(events.NOTEON, tone=self.tone)
+        pygame.event.post(evt)
+
+    def raiseNoteOff(self) :
+        evt = pygame.event.Event(events.NOTEOFF, tone=self.tone)
+        pygame.event.post(evt)
+
+

         
         

-def hls_to_rgba_8bits(h, l, s) :
+def hls_to_rgba_8bits(h, l, s, a=1) :

     #convert to rgb ranging from 0 to 255
     #convert to rgb ranging from 0 to 255

-    rgba = [floor(255 * i) for i in hls_to_rgb(h, l, s) + (1,)]
+    rgba = [floor(255 * i) for i in hls_to_rgb(h, l, s) + (a,)]

     return tuple(rgba)
     return tuple(rgba)