Ajout de la glue pour simplifier la gestion des événements dans un module séparé.

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

diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py
index 0e78285..23f2643 100755 (executable)
--- a/src/app/widgets/playingscreen.py
+++ b/src/app/widgets/playingscreen.py
@@ -9,27 +9,40 @@ $URL$
 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
+from eventutils import event_handler, EventHandlerMixin
+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
 # TODO : positionner cette constance en fonction de la résolution d'affichage
 # externaliser la conf.
 BORDER = 5 # 5px
 FIRST_HUE = 0.6

-OFF_LUMINANCE = 0.1
+OFF_LUMINANCE = 0.2

 OFF_SATURATION = 1
 OFF_SATURATION = 1

-ON_TOP_LUMINANCE = 0.9
-ON_BOTTOM_LUMINANCE = 0.6
+ON_TOP_LUMINANCE = 0.6
+ON_BOTTOM_LUMINANCE = 0.9

 ON_SATURATION = 1
 ON_SATURATION = 1

+ON_COLUMN_OVERSIZING = 1.5
+
+
+class _PlayingScreenBase(pygame.sprite.OrderedUpdates, EventHandlerMixin) :

 
 

-class _PlayingScreenBase(object) :

     def __init__(self, distinctNotes=[]) :
         """
         distinctNotes : notes disctinctes présentes dans la chanson
         triées du plus grave au plus aigu.
         """
     def __init__(self, distinctNotes=[]) :
         """
         distinctNotes : notes disctinctes présentes dans la chanson
         triées du plus grave au plus aigu.
         """

+        super(_PlayingScreenBase, self).__init__()

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

+        self.cursor = None

         self._initRects()
         self._initRects()

-        self.drawColumns()
+        self._initColumns()
+        self._running = False
+        self.draw(pygame.display.get_surface())
+        self._initCursor()
+            

     
     
     def _initRects(self) :
     
     
     def _initRects(self) :


@@ -48,10 +61,10 @@ class _PlayingScreenBase(object) :
         dispWidth = screen.get_width() - 2 * BORDER
         dispHeight = screen.get_height() - 2 * BORDER
         
         dispWidth = screen.get_width() - 2 * BORDER
         dispHeight = screen.get_height() - 2 * BORDER
         

-        columnWidth = int(round(float(dispWidth) / keyboardLength))
+        columnWidth = int(round(float(dispWidth) / self.keyboardLength))

 
         rects = []
 
         rects = []

-        for i in range(keyboardLength) :
+        for i in range(self.keyboardLength) :

             upperLeftCorner = (i*columnWidth + BORDER, BORDER)
             rect = pygame.Rect(upperLeftCorner, (columnWidth, dispHeight))
             rects.append(rect)
             upperLeftCorner = (i*columnWidth + BORDER, BORDER)
             rect = pygame.Rect(upperLeftCorner, (columnWidth, dispHeight))
             rects.append(rect)


@@ -63,35 +76,90 @@ class _PlayingScreenBase(object) :
         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

-            c = Column(hue)
-            
+            print hue
+            c = Column(hue, rect)
+            self.add(c)

     
     

-    def drawColumns(self) :
-        pass
+    def _initCursor(self) :
+        self.cursor = WarpingCursor()
+        #self.add(self.cursor)
+        
+        
+    def highlightColumn(self, index) :
+        for i, sprite in enumerate(self.sprites()) :
+            sprite.update(i==index)
+        self.draw(pygame.display.get_surface())

     
     

-    def highLightColumn(self) :
-        pass
+    def run(self):
+        self._running = True
+        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)
+    
+    @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) :
+        pass
+        
+        
+    

 
 class SongPlayingScreen(_PlayingScreenBase) :
     
     def __init__(self, song) :
 
 class SongPlayingScreen(_PlayingScreenBase) :
     
     def __init__(self, song) :

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

         self.song = song
         self.song = song

-    

 
 

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

 
 class Column(pygame.sprite.Sprite) :
     
     def __init__(self, hue, rect) :
         pygame.sprite.Sprite.__init__(self)
 
 class Column(pygame.sprite.Sprite) :
     
     def __init__(self, hue, rect) :
         pygame.sprite.Sprite.__init__(self)

-        sur = Surface(rect.size)
-        rgba = hls_to_rgb(hue, OFF_LUMINANCE, OFF_SATURATION) + (255,)
+        sur = pygame.surface.Surface(rect.size)
+        rgba = hls_to_rgba_8bits(hue, OFF_LUMINANCE, OFF_SATURATION)

         sur.fill(rgba)
         self.stateOff = sur
         sur.fill(rgba)
         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)
+        self.stateOn = gradients.vertical(rectOn.size, topRgba, bottomRgba)
+        self.rectOn = rectOn
+        
+        self.image = self.stateOff
+        self.rect = rect
+    
+    def update(self, state) :
+        if state :
+            self.image = self.stateOn
+            self.rect = self.rectOn
+        else :
+            self.image = self.stateOff
+            self.rect = self.rectOff

         
         

-        topRgba = hls_to_rgb(hue, ON_TOP_LUMINANCE, ON_SATURATION) + (255,)
-        bottomRgba = hls_to_rgb(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION) + (255,)
-        size = rect.inflate(2*rect.width,0).size
-        self.stateOn = gradients.vertical(size, topRgba, bottomRgba)
-        
\ No newline at end of file
+def hls_to_rgba_8bits(h, l, s) :
+    #convert to rgb ranging from 0 to 255
+    rgba = [floor(255 * i) for i in hls_to_rgb(h, l, s) + (1,)]
+    return tuple(rgba)