/usr/lib/sltv/ui/overlay.py is in landell 0.92.1-1.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2010 Holoscópio Tecnologia
# Author: Luciana Fujii Pontello <luciana@holoscopio.com>
# Author: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
# Author: Marcelo Jorge Vieira <metal@holoscopio.com>
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import gobject
import gtk
from sltv.settings import UI_DIR
import sltv.config as config
DEFAULT_FONT = "Sans Bold 14"
DEFAULT_HALIGN = "center"
DEFAULT_VALIGN = "baseline"
class OverlayUI:
def __init__(self, ui, sltv):
self.ui = ui
self.sltv = sltv
self.interface = gtk.Builder()
self.interface.add_from_file(UI_DIR + "/overlay.ui")
self.widget = self.interface.get_object("vbox")
self.button = self.interface.get_object("apply_button")
self.clear_button = self.interface.get_object("clear_button")
self.textview = self.interface.get_object("overlay_textview")
self.font_selector = gtk.FontSelectionDialog("Select a font name")
self.font_selector_button = self.interface.get_object(
"font_selector_button"
)
self.font_selector.set_transient_for(self.ui.main_window)
self.font_selector.set_destroy_with_parent(True)
self.font_selector_entry = self.interface.get_object(
"font_selector_entry"
)
# halign
self.left_button = self.interface.get_object("left_toolbutton")
self.center_button = self.interface.get_object("center_toolbutton")
self.right_button = self.interface.get_object("right_toolbutton")
self.horizontal_group = gtk.ActionGroup("horizontal_group")
horizontal_actions = [
("left_radioaction", "gtk-justify-left", "Left", None,
"Left", 0),
("center_radioaction", "gtk-justify-center", "Center", None,
"Center", 1),
("right_radioaction", "gtk-justify-right", "Right", None,
"Right", 2)
]
self.horizontal_group.add_radio_actions(
horizontal_actions, 0, None, None
)
self.left_radioaction = self.horizontal_group.get_action("left_radioaction")
self.left_radioaction.connect_proxy(self.left_button)
self.center_radioaction = self.horizontal_group.get_action(
"center_radioaction"
)
self.center_radioaction.connect_proxy(self.center_button)
self.right_radioaction = self.horizontal_group.get_action(
"right_radioaction"
)
self.right_radioaction.connect_proxy(self.right_button)
# valign
self.top_button = self.interface.get_object("top_toolbutton")
self.baseline_button = self.interface.get_object("baseline_toolbutton")
self.bottom_button = self.interface.get_object("bottom_toolbutton")
self.vertical_group = gtk.ActionGroup("vertical_group")
vertical_actions = [
("top_radioaction", "gtk-goto-top", "Top", None,
"Top", 0),
("baseline_radioaction", "gtk-missing-image", "Baseline", None,
"Baseline", 1),
("bottom_radioaction", "gtk-goto-bottom", "Bottom", None,
"Bottom", 2)
]
self.vertical_group.add_radio_actions(
vertical_actions, 0, None, None
)
self.top_radioaction = self.vertical_group.get_action("top_radioaction")
self.top_radioaction.connect_proxy(self.top_button)
self.baseline_radioaction = self.vertical_group.get_action(
"baseline_radioaction"
)
self.baseline_radioaction.connect_proxy(self.baseline_button)
self.bottom_radioaction = self.vertical_group.get_action(
"bottom_radioaction"
)
self.bottom_radioaction.connect_proxy(self.bottom_button)
self._set_font(DEFAULT_FONT)
self._set_halign(DEFAULT_HALIGN)
self._set_valign(DEFAULT_VALIGN)
self._set_config()
self._load_config()
self.button.connect("clicked", self.on_apply_clicked)
self.clear_button.connect("clicked", self.on_clear_clicked)
self.sltv.connect("preplay", self._preplay)
self.sltv.connect("playing", self._playing)
self.sltv.connect("stopped", self._stopped)
self.font_selector_button.connect("clicked", self.on_font_change)
self.font_selector.connect("response", self.on_close_dialog)
self.left_radioaction.connect("changed", self.on_horizontal_changed)
self.top_radioaction.connect("changed", self.on_vertical_changed)
def _set_config(self):
self.config = config.config
self.section = "Settings"
self.item = "Text Overlay"
def _load_config(self):
config_item = self.config.get_item(self.section, self.item)
if config_item:
if "font" in config_item:
self._set_font(config_item['font'])
if "halign" in config_item:
self._set_halign(config_item['halign'])
if "valign" in config_item:
self._set_valign(config_item['valign'])
def _set_halign(self, halign):
self.halign = halign
action = self.horizontal_group.get_action(self.halign+"_radioaction")
action.set_active(True)
def _set_valign(self, valign):
self.valign = valign
action = self.vertical_group.get_action(self.valign+"_radioaction")
action.set_active(True)
def _set_font(self, font):
self.font = font
self.font_selector_entry.set_text(font)
self.font_selector.set_font_name(font)
def on_font_change(self, event):
self.font_selector.show_all()
self.font_selector.run()
def on_horizontal_changed(self, widget, current):
name = current.get_name()
if name == "left_radioaction":
action = "left"
elif name == "right_radioaction":
action = "right"
elif name == "center_radioaction":
action = "center"
self.halign = action
self.save()
def on_vertical_changed(self, widget, current):
name = current.get_name()
if name == "top_radioaction":
action = "top"
elif name == "bottom_radioaction":
action = "bottom"
elif name == "baseline_radioaction":
action = "baseline"
self.valign = action
self.save()
def _make_config(self):
config = {}
config['font'] = self.font
config['valign'] = self.valign
config['halign'] = self.halign
return config
def save(self):
self.config.set_item(self.section, self.item, self._make_config())
def on_close_dialog(self, dialog, response):
if response == gtk.RESPONSE_CANCEL or \
response == gtk.RESPONSE_DELETE_EVENT:
dialog.hide_all()
if response == gtk.RESPONSE_OK:
font = self.font_selector.get_font_name()
self._set_font(font)
self.save()
dialog.hide_all()
if response == gtk.RESPONSE_APPLY:
font = self.font_selector.get_font_name()
self._set_font(font)
self.save()
def _get_text(self):
buffer = self.textview.get_buffer()
start_iter = buffer.get_start_iter()
end_iter = buffer.get_end_iter()
text = buffer.get_text(start_iter, end_iter, True)
return text
def apply_settings(self):
self.sltv.set_overlay_text(self._get_text())
self.sltv.set_overlay_font(self.font)
self.sltv.set_halign(self.halign)
self.sltv.set_valign(self.valign)
def _preplay(self, sltv):
self.apply_settings()
def _playing(self, sltv):
self.button.set_sensitive(True)
def _stopped(self, sltv):
self.button.set_sensitive(False)
def on_apply_clicked(self, event):
self.apply_settings()
def on_clear_clicked(self, event):
buffer = self.textview.get_buffer()
buffer.set_text("")
self.apply_settings()
def get_widget(self):
return self.widget
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