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# ui/effectsconfiguration.py
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# Copyright (C) 2010 Thibault Saunier <tsaunier@gnome.org>
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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from pitivi.ui.gstwidget import GstElementSettingsWidget
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from pitivi.ui.dynamic import FractionWidget
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PROPS_TO_IGNORE = ['name', 'qos', 'silent', 'message']
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class EffectsPropertiesHandling:
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def __init__(self, action_log):
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self._current_effect_setting_ui = None
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self._current_element_values = {}
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self.action_log = action_log
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def getEffectConfigurationUI(self, effect):
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Permit to get a configuration GUI for the effect
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@param effect: The effect for which we want the configuration UI
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@type effect: C{gst.Element}
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if effect not in self.cache_dict:
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#Here we should handle special effects configuration UI
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effect_set_ui = GstElementSettingsWidget()
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effect_set_ui.setElement(effect, ignore=PROPS_TO_IGNORE,
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default_btn=True, use_element_props=True)
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nb_rows = effect_set_ui.get_children()[0].get_property('n-rows')
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effect_configuration_ui = gtk.ScrolledWindow()
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effect_configuration_ui.add_with_viewport(effect_set_ui)
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effect_configuration_ui.set_policy(gtk.POLICY_AUTOMATIC,
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self.cache_dict[effect] = effect_configuration_ui
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self._connectAllWidgetCbs(effect_set_ui, effect)
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self._postConfiguration(effect, effect_set_ui)
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effect_set_ui = self._getUiToSetEffect(effect)
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self._current_effect_setting_ui = effect_set_ui
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element = self._current_effect_setting_ui.element
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for prop in gobject.list_properties(element):
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if prop.flags & gobject.PARAM_READABLE:
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self._current_element_values[prop.name] = element.get_property(prop.name)
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return self.cache_dict[effect]
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def cleanCache(self, effect):
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if effect in self.cache_dict:
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conf_ui = self.cache_dict.get(effect)
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self.cache_dict.pop(effect)
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def _postConfiguration(self, effect, effect_set_ui):
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if 'GstAspectRatioCrop' in effect.get_path_string():
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for widget in effect_set_ui.get_children()[0].get_children():
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if isinstance(widget, FractionWidget):
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widget.addPresets(["4:3", "5:4", "9:3", "16:9", "16:10"])
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def _getUiToSetEffect(self, effect):
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""" Permit to get the widget to set the effect and not its container """
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if type(self.cache_dict[effect]) is gtk.ScrolledWindow:
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effect_set_ui = self.cache_dict[effect].get_children()[0].get_children()[0]
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effect_set_ui = self.cache_dict[effect]
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def _connectAllWidgetCbs(self, effect_configuration_ui, effect):
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for prop, widget in effect_configuration_ui.properties.iteritems():
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widget.connectValueChanged(self._onValueChangedCb, widget, prop)
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def _onSetDefaultCb(self, widget, dynamic):
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dynamic.setWidgetToDefault()
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def _onValueChangedCb(self, widget, dynamic, prop):
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value = dynamic.getWidgetValue()
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#FIXME Workaround in order to make aspectratiocrop working
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if isinstance(value, gst.Fraction):
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value = gst.Fraction(int(value.num), int(value.denom))
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if value != self._current_element_values.get(prop.name):
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self.action_log.begin("Effect property change")
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self._current_effect_setting_ui.element.set_property(prop.name, value)
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self.action_log.commit()
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self._current_element_values[prop.name] = value
added
removed
pitivi/ui/effectsconfiguration.py
