X-Git-Url: https://svn.cri.ensmp.fr/git/minwii.git/blobdiff_plain/2b9d34e4fd258c988ccb7796d918fdf40f4d9937..bf4fd0cf6bb79dffd32e4995f0b312fb1a32502f:/src/app/widgets/playingscreen.py diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py index f65d8e5..571a3d9 100755 --- a/src/app/widgets/playingscreen.py +++ b/src/app/widgets/playingscreen.py @@ -7,30 +7,52 @@ $Id$ $URL$ """ import pygame -# TODO : positionner cette constance en fonction de la résolution d'affichage -BORDER = 5 # 5px +from cursors import WarpingCursor +from column import Column +import events +from eventutils import event_handler, EventDispatcher, EventHandlerMixin +import types +from musicxml import Tone -class _PlayingScreenBase(object) : - def __init__(self, distinctNotes=[]) : +from config import FRAMERATE +from config import BORDER +from config import FIRST_HUE +from config import DEFAULT_MIDI_VELOCITY + +from globals import BACKGROUND_LAYER +from globals import CURSOR_LAYER +from globals import PLAYING_MODES + +class _PlayingScreenBase(pygame.sprite.LayeredDirty, EventHandlerMixin) : + + def __init__(self, synth, distinctNotes=[]) : """ 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.cursor = None self._initRects() - self.drawColumns() - + self.columns = {} + self._initColumns() + self._running = False + self.draw(pygame.display.get_surface()) + self._initCursor() def _initRects(self) : """ création des espaces réservés pour afficher les colonnes. """ - ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi - if ambitus <= 12 : - keyboardLength = 8 - else : - 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() @@ -38,33 +60,127 @@ class _PlayingScreenBase(object) : 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 = [] - 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) self.keyboardRects = rects - - def drawColumns(self) : - pass + def _initColumns(self) : + + hueStep = FIRST_HUE / (self.keyboardLength - 1) + for i, rect in enumerate(self.keyboardRects) : + hue = FIRST_HUE - hueStep * i + tone = self.distinctNotes[i] + c = Column(self, hue, rect, tone) + self.add(c, layer=BACKGROUND_LAYER) + self.columns[tone.midi] = c + - def highLightColumn(self) : - pass + def _initCursor(self) : + self.cursor = WarpingCursor(blinkMode=True) + self.add(self.cursor, layer=CURSOR_LAYER) + + def run(self): + self._running = True + clock = pygame.time.Clock() + pygame.display.flip() + pygame.mouse.set_visible(False) + while self._running : + EventDispatcher.dispatchEvents() + dirty = self.draw(pygame.display.get_surface()) + pygame.display.update(dirty) + clock.tick(FRAMERATE) + pygame.mouse.set_visible(True) + self.cursor._stopBlink() -class SongPlayingScreen(_PlayingScreenBase) : + @event_handler(pygame.KEYDOWN) + def handleKeyDown(self, event) : + if event.key == pygame.K_q: + self._running = False - def __init__(self, song) : - super(SongPlayingScreen, self).__init__(song.) - self.song = song + @event_handler(pygame.MOUSEBUTTONDOWN) + def onMouseDown(self, event) : + # TODO à cleaner : on vire le dernier élément + # parce qu'il s'agit du curseur + for col in reversed(self.sprites()[:-1]) : + if col.rect.collidepoint(*event.pos): + self.raiseKeyDown(col) + break + + @event_handler(pygame.MOUSEBUTTONUP) + def onMouseUp(self, event) : + for col in reversed(self.sprites()[:-1]) : + if col.rect.collidepoint(*event.pos) : + self.raiseKeyUp(col) + break + + def raiseKeyDown(self, col) : + evt = pygame.event.Event(events.COLDOWN, column=col) + pygame.event.post(evt) + + def raiseKeyUp(self, col) : + evt = pygame.event.Event(events.COLUP, column=col) + pygame.event.post(evt) + + +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, DEFAULT_MIDI_VELOCITY) + @event_handler(events.NOTEOFF) + def noteoff(self, evt) : + tone = evt.tone + self.synth.noteoff(0, tone.midi) -class Column(pygame.sprite.Sprite) : + +class SongPlayingScreen(_PlayingScreenBase) : + + def __init__(self, synth, song, mode=PLAYING_MODES['NORMAL']) : + super(SongPlayingScreen, self).__init__(synth, song.distinctNotes) + self.song = song + self.currentColumn = None + self.noteIterator = self.song.iterNotes() + self.displayNext() + + def displayNext(self) : + if self.currentColumn: + self.currentColumn.update(False) + note, verseIndex = self.noteIterator.next() + syllabus = note.lyrics[verseIndex].syllabus(encoding="iso-8859-1") + column = self.columns[note.midi] + column.update(True, syllabus) + self.currentColumn = column + self.currentNotePlayed = False + + @event_handler(events.COLDOWN) + def handleColumnDown(self, event) : + col = event.column + if col.state: + self.synth.noteon(0, col.tone.midi, DEFAULT_MIDI_VELOCITY) + self.currentNotePlayed = True - def __init__(self, color) : - pass \ No newline at end of file + @event_handler(events.COLUP) + def handleColumnUp(self, event) : + if self.currentNotePlayed : + self.synth.noteoff(0, self.currentColumn.tone.midi) + self.displayNext()