133 lines
3.9 KiB
Python
133 lines
3.9 KiB
Python
# Copyright 2021 (c) Anna Schumaker.
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from gi.repository import GLib
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from gi.repository import Gtk
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from gi.repository import Gst
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class ScalePlus(Gtk.Scale):
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def __init__(self, min, max, step, page):
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Gtk.Scale.__init__(self)
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self.set_range(min, max)
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self.set_increments(step, page)
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self.set_value(min)
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self.set_draw_value(True)
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self.set_hexpand(True)
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self.set_format_value_func(self.format_value)
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def __change_value__(self, n, scroll):
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value = self.get_value()
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self.set_value(value + n)
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new = self.get_value()
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if value == new:
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return None
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self.emit("change-value", scroll, new)
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return new
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def decrement(self):
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adjustment = self.get_adjustment()
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return self.__change_value__(-adjustment.get_step_increment(),
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Gtk.ScrollType.STEP_BACKWARD)
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def increment(self):
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adjustment = self.get_adjustment()
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return self.__change_value__(adjustment.get_step_increment(),
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Gtk.ScrollType.STEP_FORWARD)
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def format_value(self, scale, value):
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return str(value)
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class SeekScale(ScalePlus):
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def __init__(self, player):
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ScalePlus.__init__(self, 0, player.duration,
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5 * Gst.SECOND, 30 * Gst.SECOND)
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self.set_size_request(200, -1)
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self.player = player
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self.player.connect("duration-changed", self.duration_changed)
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self.player.connect("position-changed", self.position_changed)
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def do_change_value(self, scroll, value):
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self.player.position = value
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def duration_changed(self, player):
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self.set_range(0, player.duration)
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def position_changed(self, player):
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self.set_value(player.position)
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def format_value(self, scale, value):
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position = int(value / Gst.SECOND)
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duration = int(self.get_adjustment().get_upper() / Gst.SECOND)
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(p_m, p_s) = divmod(position, 60)
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(r_m, r_s) = divmod(duration - position, 60)
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return f"{p_m:02}:{p_s:02} / {r_m:02}:{r_s:02}"
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class AutoPauseScale(ScalePlus):
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def __init__(self):
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ScalePlus.__init__(self, -1, 99, 1, 5)
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self.keep_playing = True
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self.set_digits(0)
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def about_to_pause(self):
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return self.get_value() == 0
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def format_value(self, scale, value):
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match int(value):
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case -1: return "Keep Playing"
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case 0: return "This Track"
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case 1: return "Next Track"
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case _: return f"{int(value)} Tracks"
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def decrement(self):
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self.keep_playing = not self.about_to_pause()
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super().decrement()
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class VolumeScale(ScalePlus):
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def __init__(self, player):
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ScalePlus.__init__(self, 0.0, 1.0, 0.05, 0.25)
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self.player = player
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self.set_value(player.volume)
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def do_change_value(self, scroll, value):
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self.set_value(value)
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self.player.volume = value
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def format_value(self, scale, value):
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return f"{int(value * 100)}%"
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class ScaleButton(Gtk.Button):
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def __init__(self, scale, icon):
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Gtk.Button.__init__(self)
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self.add_css_class("normal-icons")
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self.add_css_class("flat")
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self.set_valign(Gtk.Align.END)
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self.set_icon_name(icon)
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self.scale = scale
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class DecrementButton(ScaleButton):
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def __init__(self, scale):
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ScaleButton.__init__(self, scale, "list-remove-symbolic")
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def do_clicked(self):
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self.scale.decrement()
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class IncrementButton(ScaleButton):
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def __init__(self, scale):
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ScaleButton.__init__(self, scale, "list-add-symbolic")
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def do_clicked(self):
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self.scale.increment()
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class ScaleButtonBox(Gtk.Box):
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def __init__(self, scale):
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Gtk.Box.__init__(self)
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self.set_orientation(Gtk.Orientation.HORIZONTAL)
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self.append(DecrementButton(scale))
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self.append(scale)
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self.append(IncrementButton(scale))
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