Files
SantoscopeUI/knobs.py

161 lines
6.9 KiB
Python

import pygame
from .colors import *
from .fonts import *
from .knob import *
import random
class Knobs:
def __init__(self, gui, knob_names, is_left_side=True):
self.gui = gui
self.knobs_surface = pygame.Surface((gui.screenW, gui.screenH), pygame.SRCALPHA)
self.opacity = 0
self.fade_speed = 5
self.fade_in = False
self.fade_out = False
self.knob_names = knob_names
self.is_left_side = is_left_side
# Create and position the knobs
self.knobs_radius = self.gui.screenW / 25
knobs_spacing = self.knobs_radius * 2
knobs_x = (self.gui.screenW - (self.knobs_radius + knobs_spacing) * 2) / 2
x = knobs_x
knobs_y = (self.gui.screenH - (self.knobs_radius + knobs_spacing) * 3) / 2
y = knobs_y
self.knobs = []
for i in range(len(knob_names)):
self.knobs.append(Knob(self, knob_names[i], self.knobs_radius, (x, y), 0))
y += self.knobs_radius + knobs_spacing
if i == 3 or (self.is_left_side and i == 6) or (not self.is_left_side and i == 0):
x += self.knobs_radius + knobs_spacing
y = knobs_y
self.label_vanish_parameter = 0
self.label_border_height = 0
def display_label(self, knob):
if not knob.vanish_label_path: self.label_vanish_parameter = 0
if len(knob.label_path) == 2:
if self.label_vanish_parameter > 0:
self.label_vanish_parameter -= 1
elif knob.vanish_label_path: self.label_vanish_parameter = 5
label_fx_name = font_helvetica.render(knob.name, False, color_primary_light)
label_fx_value = font_helvetica.render('[ ' + str(int(round(knob.value * 100, 0))) + '% ]',
False, color_primary_light)
min_x = self.knobs[5].get_position()[0] + self.knobs_radius * 1.5
label_x = min_x + (self.gui.screenW - min_x - label_fx_name.get_width()) / 2
label_y = (self.gui.screenH - label_fx_name.get_height() - label_fx_value.get_height()) / 2
if self.label_vanish_parameter == 0:
self.gui.label_surface.blit(label_fx_name, (label_x, label_y))
self.gui.label_surface.blit(label_fx_value, (label_x, self.gui.screenH / 2))
if knob.vanish_label_path:
if self.label_border_height < self.gui.screenH / 2:
self.label_border_height += 2
else: self.label_border_height = self.gui.screenH / 2
else:
self.label_border_height = label_y
pygame.draw.line(
self.gui.label_surface,
color_primary_dark,
(label_x - 10, self.label_border_height),
(label_x - 10, self.gui.screenH - self.label_border_height),
2
)
self.calculate_label_path(knob, label_x)
for i in range(len(knob.label_path)-1):
pygame.draw.line(
self.gui.label_surface,
color_primary_dark,
knob.label_path[i],
knob.label_path[i+1],
2
)
def calculate_label_path(self, knob, label_x):
if len(knob.label_path) == 0:
knob.label_path.append(knob.get_position())
knob_index = knob.get_index(self.knobs)
if self.is_left_side:
if knob_index in [0, 1, 4, 5] :
x = knob.get_position()[0] + self.knobs_radius * 1.5
y = knob.get_position()[1] + self.knobs_radius * 1.5
elif knob_index in [2, 3, 6]:
x = knob.get_position()[0] + self.knobs_radius * 1.5
y = knob.get_position()[1] - self.knobs_radius * 1.5
else: # knob 7
x = knob.get_position()[0] - self.knobs_radius * 1.5
y = knob.get_position()[1] + self.knobs_radius * 1.5
knob.label_path.append((x, y))
if (knob == self.knobs[0] or knob == self.knobs[3]):
knob.label_path.append((knob.get_position()[0] + self.knobs_radius * 1.5, self.gui.screenH/2))
elif (knob == self.knobs[4] or knob == self.knobs[7]):
knob.label_path.append((self.knobs[4].get_position()[0] + self.knobs_radius * 1.5, self.gui.screenH/2))
else:
if knob_index in [1, 2, 4, 5]:
x = knob.get_position()[0] + self.knobs_radius * 1.5
y = knob.get_position()[1] + self.knobs_radius * 1.5
elif knob_index in [3, 6, 7]:
x = knob.get_position()[0] + self.knobs_radius * 1.5
y = knob.get_position()[1] - self.knobs_radius * 1.5
else: # knob 0
x = knob.get_position()[0] + self.knobs_radius * 1.5
y = knob.get_position()[1] + self.knobs_radius * 1.5
knob.label_path.append((x, y))
if (knob == self.knobs[0] or knob == self.knobs[1]):
knob.label_path.append((knob.get_position()[0] + self.knobs_radius * 1.5, self.gui.screenH/2))
elif (knob == self.knobs[4] or knob == self.knobs[7]):
knob.label_path.append((knob.get_position()[0] + self.knobs_radius * 1.5, self.gui.screenH/2))
knob.label_path.append((label_x - 10, self.gui.screenH/2))
elif knob.vanish_label_path:
if len(knob.label_path) > 1:
p1 = list(knob.label_path[0])
p2 = list(knob.label_path[1])
if abs(p1[0] - p2[0]) <= 10 and abs(p1[1] - p2[1]) <= 10:
knob.label_path.remove(tuple(p1))
else:
if p1[0] > p2[0]:
p1[0] -= 10
elif p1[0] < p2[0]:
p1[0] += 10
if p1[1] > p2[1]:
p1[1] -= 10
elif p1[1] < p2[1]:
p1[1] += 10
knob.label_path[0] = tuple(p1)
else:
knob.vanish_label_path = False
knob.label_path = []
def set_focused(self, knob):
for k in self.knobs:
k.set_focused(k == knob)
if knob is None:
k.vanish_label_path = False
def set_value(self, index, value):
self.set_focused(self.knobs[index])
self.knobs[index].set_value(value)
def display(self):
if self.gui.show_knobs:
if self.fade_in and self.opacity < 255: self.opacity += self.fade_speed
if self.fade_out and self.opacity > 0: self.opacity -= self.fade_speed
self.knobs_surface = pygame.Surface((self.gui.screenW, self.gui.screenH), pygame.SRCALPHA)
for knob in self.knobs:
if knob.focused or knob.vanish_label_path: self.display_label(knob)
knob.display(self.knobs_surface)
self.gui.screen.blit(self.knobs_surface, (0,0))