gaupol/dialogs/duration_adjust.py¶
Source code for module gaupol.dialogs.duration_adjust from file gaupol/dialogs/duration_adjust.py.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | # -*- coding: utf-8 -*-
# Copyright (C) 2005 Osmo Salomaa
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Dialog for lengthening or shortening durations."""
import aeidon
import gaupol
_ = aeidon.i18n._
from gi.repository import Gtk
__all__ = ("DurationAdjustDialog",)
class DurationAdjustDialog(gaupol.BuilderDialog):
"""Dialog for lengthening or shortening durations."""
_widgets = ("all_radio",
"current_radio",
"gap_check",
"gap_spin",
"lengthen_check",
"max_check",
"max_spin",
"min_check",
"min_spin",
"selected_radio",
"shorten_check",
"speed_spin")
def __init__(self, parent, application):
"""Initialize a :class:`DurationAdjustDialog` instance."""
gaupol.BuilderDialog.__init__(self, "duration-adjust-dialog.ui")
self.application = application
self._init_values()
self._init_sensitivities()
self._dialog.set_transient_for(parent)
self._dialog.set_default_response(Gtk.ResponseType.OK)
def _adjust_durations(self):
"""Adjust durations of subtitles."""
conf = gaupol.conf.duration_adjust
target = self._get_target()
for page in self.application.get_target_pages(target):
self.application.set_current_page(page)
rows = page.project.adjust_durations(
indices=self.application.get_target_rows(target),
speed=conf.speed,
lengthen=conf.lengthen,
shorten=conf.shorten,
maximum=(conf.maximum if conf.use_maximum else None),
minimum=(conf.minimum if conf.use_minimum else None),
gap=(conf.gap if conf.use_gap else None))
self.application.flash_message(aeidon.i18n.ngettext(
"Adjusted duration of {:d} subtitle",
"Adjusted durations of {:d} subtitles",
len(rows)).format(len(rows)))
def _get_target(self):
"""Return the selected target."""
if self._selected_radio.get_active():
return gaupol.targets.SELECTED
if self._current_radio.get_active():
return gaupol.targets.CURRENT
if self._all_radio.get_active():
return gaupol.targets.ALL
raise ValueError("Invalid target radio state")
def _init_sensitivities(self):
"""Initialize sensitivities of widgets."""
self._all_radio.emit("toggled")
self._current_radio.emit("toggled")
self._gap_check.emit("toggled")
self._gap_spin.emit("value-changed")
self._lengthen_check.emit("toggled")
self._max_check.emit("toggled")
self._max_spin.emit("value-changed")
self._min_check.emit("toggled")
self._min_spin.emit("value-changed")
self._selected_radio.emit("toggled")
self._shorten_check.emit("toggled")
self._speed_spin.emit("value-changed")
def _init_values(self):
"""Intialize default values for widgets."""
conf = gaupol.conf.duration_adjust
self._gap_check.set_active(conf.use_gap)
self._gap_spin.set_value(conf.gap)
self._lengthen_check.set_active(conf.lengthen)
self._max_check.set_active(conf.use_maximum)
self._max_spin.set_value(conf.maximum)
self._min_check.set_active(conf.use_minimum)
self._min_spin.set_value(conf.minimum)
self._shorten_check.set_active(conf.shorten)
self._speed_spin.set_value(conf.speed)
self._selected_radio.set_active(conf.target == gaupol.targets.SELECTED)
self._current_radio.set_active(conf.target == gaupol.targets.CURRENT)
self._all_radio.set_active(conf.target == gaupol.targets.ALL)
page = self.application.get_current_page()
rows = page.view.get_selected_rows()
if not rows and conf.target == gaupol.targets.SELECTED:
self._current_radio.set_active(True)
self._selected_radio.set_sensitive(bool(rows))
def _on_gap_check_toggled(self, check_button):
"""Set sensitivity of the gap spin button."""
self._gap_spin.set_sensitive(check_button.get_active())
def _on_lengthen_check_toggled(self, *args):
"""Set sensitivity of the speed spin button."""
lengthen = self._lengthen_check.get_active()
shorten = self._shorten_check.get_active()
self._speed_spin.set_sensitive(lengthen or shorten)
def _on_max_check_toggled(self, check_button):
"""Set sensitivity of the maximum spin button."""
self._max_spin.set_sensitive(check_button.get_active())
def _on_min_check_toggled(self, check_button):
"""Set sensitivity of the minimum spin button."""
self._min_spin.set_sensitive(check_button.get_active())
def _on_response(self, dialog, response):
"""Save settings and adjust durations."""
conf = gaupol.conf.duration_adjust
conf.gap = self._gap_spin.get_value()
conf.lengthen = self._lengthen_check.get_active()
conf.maximum = self._max_spin.get_value()
conf.minimum = self._min_spin.get_value()
conf.speed = self._speed_spin.get_value()
conf.shorten = self._shorten_check.get_active()
conf.target = self._get_target()
conf.use_gap = self._gap_check.get_active()
conf.use_maximum = self._max_check.get_active()
conf.use_minimum = self._min_check.get_active()
if response == Gtk.ResponseType.OK:
self._adjust_durations()
def _on_shorten_check_toggled(self, *args):
"""Set sensitivity of the speed spin button."""
lengthen = self._lengthen_check.get_active()
shorten = self._shorten_check.get_active()
self._speed_spin.set_sensitive(lengthen or shorten)
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