]> git.immae.eu Git - perso/Immae/Projets/Python/MusicSampler.git/blobdiff - helpers/key.py
Add possibility to reload YML config file
[perso/Immae/Projets/Python/MusicSampler.git] / helpers / key.py
index 612758f5e4f01f7e489ce7b01f64ca5cec573652..4ec08d19aa4c98185dcf9e12d2abb8a751c57d2c 100644 (file)
-from .rounded_rect import *
-from .action import *
-from .font import font
+from kivy.uix.widget import Widget
+from kivy.properties import AliasProperty, BooleanProperty, \
+                            ListProperty, StringProperty
+from kivy.uix.behaviors import ButtonBehavior
+
+from .action import Action
+from . import debug_print
 import time
-import sys
-import pygame
-
-class Key:
-    default_outer_color = (120, 120, 120)
-    lighter_outer_color = (200, 200, 200)
-    default_inner_color = (255, 255, 255)
-    mapped_inner_color  = (  0, 255,   0)
-    mapped_unready_inner_color  = (  0, 255,   0, 100)
-
-    def __init__(self, mapping, draw_lock, key_name, key_sym, top, left, width = 48, height = 48, disabled = False):
-        self.draw_lock = draw_lock
-        self.mapping = mapping
-        self.key_name = key_name
-        self.key_sym  = key_sym
-
-        self.top = top
-        self.left   = left
-        self.width  = width
-        self.height = height
-
-        self.bottom = self.top  + self.height
-        self.right  = self.left + self.width
-
-        self.rect     = (self.left, self.top, self.right, self.bottom)
-        self.position = (self.left, self.top)
-        self.disabled = disabled
-
-        if disabled:
-            self.outer_color = self.lighter_outer_color
-            self.linewidth = 1
+from transitions.extensions import HierarchicalMachine as Machine
+
+class Key(ButtonBehavior, Widget):
+    STATES = [
+        'initial',
+        'configuring',
+        'configured',
+        'loading',
+        'failed',
+        {
+            'name': 'loaded',
+            'children': ['no_config', 'no_actions', 'running']
+        }
+    ]
+
+    TRANSITIONS = [
+        {
+            'trigger': 'configure',
+            'source': 'initial',
+            'dest': 'configuring'
+        },
+        {
+            'trigger': 'fail',
+            'source': 'configuring',
+            'dest': 'failed',
+            'after': 'key_loaded_callback'
+        },
+        {
+            'trigger': 'success',
+            'source': 'configuring',
+            'dest': 'configured',
+            'after': 'load'
+        },
+        {
+            'trigger': 'no_config',
+            'source': 'configuring',
+            'dest': 'loaded_no_config',
+            'after': 'key_loaded_callback'
+        },
+        {
+            'trigger': 'load',
+            'source': 'configured',
+            'dest': 'loading'
+        },
+        {
+            'trigger': 'fail',
+            'source': 'loading',
+            'dest': 'failed',
+            'after': 'key_loaded_callback'
+        },
+        {
+            'trigger': 'success',
+            'source': 'loading',
+            'dest': 'loaded',
+            'after': 'key_loaded_callback'
+        },
+        {
+            'trigger': 'no_actions',
+            'source': 'loading',
+            'dest': 'loaded_no_actions',
+            'after': 'key_loaded_callback'
+        },
+        {
+            'trigger': 'reload',
+            'source': ['loaded','failed'],
+            'dest': 'configuring',
+            'after': 'key_loaded_callback'
+        },
+        {
+            'trigger': 'run',
+            'source': 'loaded',
+            'dest': 'loaded_running',
+            'after': 'finish',
+            # if a child, like loaded_no_actions, has no transitions, then it is
+            # bubbled to the parent, and we don't want that.
+            'conditions': ['is_loaded']
+        },
+        {
+            'trigger': 'finish',
+            'source': 'loaded_running',
+            'dest': 'loaded'
+        }
+    ]
+
+    key_sym = StringProperty(None)
+    custom_color = ListProperty([0, 1, 0])
+    description_title = StringProperty("")
+    description = ListProperty([])
+    state = StringProperty("")
+
+    def get_alias_color(self):
+        if self.is_loaded_inactive():
+            return [1, 1, 1, 1]
+        elif self.is_loaded(allow_substates=True):
+            return [*self.custom_color, 1]
+        elif self.is_failed():
+            return [0, 0, 0, 1]
         else:
-            self.outer_color = self.default_outer_color
-            self.linewidth = 3
+            return [*self.custom_color, 100/255]
+    def set_alias_color(self):
+        pass
 
-        self.inner_color = self.default_inner_color
-        self.actions = []
-        self.description = []
-        self.custom_color = None
-        self.custom_unready_color = None
-
-    def square(self, all_actions_ready):
-        if self.has_actions():
-            if all_actions_ready:
-                self.inner_color = self.custom_color or self.mapped_inner_color
-            else:
-                self.inner_color = self.custom_unready_color or self.mapped_unready_inner_color
+    color = AliasProperty(get_alias_color, set_alias_color,
+            bind=['state', 'custom_color'])
 
-        return RoundedRect((0, 0, self.width, self.height),
-            self.outer_color, self.inner_color, self.linewidth)
+    def __init__(self, **kwargs):
+        self.actions = []
+        Machine(model=self, states=self.STATES,
+                transitions=self.TRANSITIONS, initial='initial',
+                ignore_invalid_triggers=True, queued=True)
+        super(Key, self).__init__(**kwargs)
+
+    # Kivy events
+    def on_key_sym(self, key, key_sym):
+        if key_sym != "":
+            self.configure()
+
+    def on_press(self):
+        self.list_actions()
+
+    # Machine states / events
+    def is_loaded_or_failed(self):
+        return self.is_loaded(allow_substates=True) or self.is_failed()
+
+    def is_loaded_inactive(self):
+        return self.is_loaded_no_config() or self.is_loaded_no_actions()
+
+    def on_enter_configuring(self):
+        if self.key_sym in self.parent.key_config:
+            self.config = self.parent.key_config[self.key_sym]
+
+            self.actions = []
+            for key_action in self.config['actions']:
+                self.add_action(key_action[0], **key_action[1])
+
+            if 'description' in self.config['properties']:
+                self.set_description(self.config['properties']['description'])
+            if 'color' in self.config['properties']:
+                self.set_color(self.config['properties']['color'])
+            self.success()
+        else:
+            self.no_config()
 
-    def collidepoint(self, position):
-        return self.surface.get_rect().collidepoint(
-                position[0] - self.position[0],
-                position[1] - self.position[1]
-                )
+    def on_enter_loading(self):
+        if len(self.actions) > 0:
+            for action in self.actions:
+                action.load()
+        else:
+            self.no_actions()
 
+    def on_enter_loaded_running(self, modifiers):
+        self.parent.parent.ids['KeyList'].append(self.key_sym)
+        debug_print("running actions for {}".format(self.key_sym))
+        start_time = time.time()
+        self.parent.start_running(self, start_time)
+        action_number = 0
+        for self.current_action in self.actions:
+            if self.parent.keep_running(self, start_time):
+                self.list_actions(action_number=action_number + 0.5)
+                self.current_action.run()
+                action_number += 1
+                self.list_actions(action_number=action_number)
+
+        self.parent.finished_running(self, start_time)
+
+    # This one cannot be in the Machine state since it would be queued to run
+    # *after* the loop is ended...
+    def interrupt(self):
+        self.current_action.interrupt()
+
+    # Callbacks
+    def key_loaded_callback(self):
+        self.parent.key_loaded_callback()
+
+    def callback_action_ready(self, action, success):
+        if not success:
+            self.fail()
+        elif all(action.is_loaded_or_failed() for action in self.actions):
+            self.success()
+
+    # Setters
     def set_description(self, description):
-        for desc in description:
+        if description[0] is not None:
+            self.description_title = str(description[0])
+        self.description = []
+        for desc in description[1 :]:
             if desc is None:
                 self.description.append("")
             else:
-                self.description.append(str(desc))
+                self.description.append(str(desc).replace(" ", " "))
 
     def set_color(self, color):
-        self.custom_color = tuple(color)
-        color.append(100)
-        self.custom_unready_color = tuple(color)
-
-    def draw(self, background_surface):
-        self.draw_lock.acquire()
-        all_actions_ready = self.all_actions_ready()
-
-        self.surface = self.square(all_actions_ready).surface()
-
-        police = font(14)
-        text_police = font(10)
-
-        police.set_bold(True)
-        text = police.render(self.key_sym, True, (0,0,0))
-        self.surface.blit(text, (5,5))
-
-        is_first_line = True
-        offset = 11 + text_police.get_linesize() - 4
-        first_line_offset = 18
-        for description in self.description:
-            text = text_police.render(description, True, (0,0,0))
-            if is_first_line:
-                self.surface.blit(text, (first_line_offset, 9))
-                is_first_line = False
-            else:
-                self.surface.blit(text, (3, offset))
-                offset += text_police.get_linesize() - 4
-
-        background_surface.blit(self.surface, self.position)
-        self.draw_lock.release()
-
-        return not all_actions_ready
-
-    def poll_redraw(self, background):
-        while True:
-            time.sleep(1)
-            if self.all_actions_ready():
-                self.draw(background)
-                self.mapping.blit()
-                break
-
-    def has_actions(self):
-        return len(self.actions) > 0
-
-    def all_actions_ready(self):
-        return all(action.ready() for action in self.actions)
+        color = [x / 255 for x in color]
+        self.custom_color = color
 
+    # Actions handling
     def add_action(self, action_name, **arguments):
         self.actions.append(Action(action_name, self, **arguments))
 
-    def do_actions(self):
-        print("running actions for {}".format(self.key_sym))
-        start_time = time.time()
-        self.mapping.start_running(self, start_time)
-        for action in self.actions:
-            if self.mapping.keep_running(self, start_time):
-                action.run()
-
-        self.mapping.finished_running(self, start_time)
-
-    def list_actions(self, screen):
-        action_descriptions = [action.description() for action in self.actions]
-        #print("actions linked to key {}:".format(self.key_sym))
-        #print("\t" + "\n\t".join(action_descriptions))
-        self.draw_lock.acquire()
-        surface = pygame.Surface((690, 250)).convert()
-        surface.fill((250, 250, 250))
-        police = font(14)
-
-        offset = 0
-        police.set_bold(True)
-        text = police.render("actions linked to key {}:".format(self.key_sym), True, (0,0,0))
-        surface.blit(text, (0, offset))
-        offset += police.get_linesize()
-
-        police.set_bold(False)
-        for description in action_descriptions:
-            text = police.render(description, True, (0,0,0))
-            surface.blit(text, (0, offset))
-            offset += police.get_linesize()
-
-        screen.blit(surface, (5, 308))
-        pygame.display.flip()
-        self.draw_lock.release()
-
+    def list_actions(self, action_number=0):
+        self.parent.parent.ids['ActionList'].update_list(self, action_number)