gaupol/dialogs/position_shift.py¶
Source code for module gaupol.dialogs.position_shift from file gaupol/dialogs/position_shift.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 | # -*- 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/>.
"""Dialogs for shifting positions."""
import aeidon
import gaupol
_ = aeidon.i18n._
from gi.repository import Gtk
__all__ = ("FrameShiftDialog", "TimeShiftDialog")
class PositionShiftDialog(gaupol.BuilderDialog):
"""Base class for dialogs for shifting positions."""
_widgets = ("amount_spin",
"current_radio",
"preview_button",
"selected_radio",
"to_end_radio",
"unit_label")
def __init__(self, parent, application):
"""Initialize a :class:`PositionShiftDialog` instance."""
gaupol.BuilderDialog.__init__(self, "position-shift-dialog.ui")
self.application = application
self._init_widgets()
self._init_values()
self._dialog.set_transient_for(parent)
self._dialog.set_default_response(Gtk.ResponseType.OK)
def _get_preview_row(self):
"""Return row to start preview from."""
page = self.application.get_current_page()
rows = page.view.get_selected_rows()
return (rows[0] if rows else 0)
def _get_target(self):
"""Return the selected target."""
if self._selected_radio.get_active():
return gaupol.targets.SELECTED
if self._to_end_radio.get_active():
return gaupol.targets.SELECTED_TO_END
if self._current_radio.get_active():
return gaupol.targets.CURRENT
raise ValueError("Invalid target radio state")
def _init_values(self):
"""Intialize default values for widgets."""
target = gaupol.conf.position_shift.target
self._selected_radio.set_active(target == gaupol.targets.SELECTED)
self._to_end_radio.set_active(target == gaupol.targets.SELECTED_TO_END)
self._current_radio.set_active(target == gaupol.targets.CURRENT)
page = self.application.get_current_page()
rows = page.view.get_selected_rows()
if not rows and target in (
gaupol.targets.SELECTED,
gaupol.targets.SELECTED_TO_END):
self._current_radio.set_active(True)
self._selected_radio.set_sensitive(bool(rows))
self._to_end_radio.set_sensitive(bool(rows))
if (page.project.video_path is None or
page.project.main_file is None):
self._preview_button.set_sensitive(False)
self._amount_spin.emit("value-changed")
def _init_widgets(self):
"""Initialize widgets."""
raise NotImplementedError
def _on_amount_spin_value_changed(self, spin_button):
"""Set response sensitivity."""
has_value = (spin_button.get_value() != 0.0)
self.set_response_sensitive(Gtk.ResponseType.OK, has_value)
def _on_preview_button_clicked(self, *args):
"""Preview shift changes with a video player."""
page = self.application.get_current_page()
target = self._get_target()
rows = self.application.get_target_rows(target)
self.application.preview_changes(page,
self._get_preview_row(),
aeidon.documents.MAIN,
page.project.shift_positions,
(rows, self._get_amount()))
def _on_response(self, dialog, response):
"""Save target and shift positions."""
gaupol.conf.position_shift.target = self._get_target()
if response == Gtk.ResponseType.OK:
self._shift_positions()
def _shift_positions(self):
"""Shift positions in subtitles."""
gaupol.util.set_cursor_busy(self)
target = self._get_target()
rows = self.application.get_target_rows(target)
amount = self._get_amount()
for page in self.application.get_target_pages(target):
page.project.shift_positions(rows, amount)
gaupol.util.set_cursor_normal(self)
class FrameShiftDialog(PositionShiftDialog):
"""Dialog for shifting frames."""
def _get_amount(self):
"""Return the amount of frames to shift."""
return aeidon.as_frame(self._amount_spin.get_value_as_int())
def _init_widgets(self):
"""Initialize widgets."""
self._amount_spin.set_numeric(True)
self._amount_spin.set_digits(0)
self._amount_spin.set_increments(1, 10)
self._amount_spin.set_range(-9999999, 9999999)
self._amount_spin.set_value(0)
self._unit_label.set_text(_("frames"))
class TimeShiftDialog(PositionShiftDialog):
"""Dialog for shifting times."""
def _get_amount(self):
"""Return the amount of seconds to shift."""
return aeidon.as_seconds(self._amount_spin.get_value())
def _init_widgets(self):
"""Initialize widgets."""
self._amount_spin.set_numeric(True)
self._amount_spin.set_digits(3)
self._amount_spin.set_increments(0.1, 1)
self._amount_spin.set_range(-99999, 99999)
self._amount_spin.set_value(0.000)
self._unit_label.set_text(_("seconds"))
|