class ProjectSettingsDialog:
def __init__(self, parent, project):
self.project = project
self.settings = project.getSettings()
self.builder = gtk.Builder()
self.builder.add_from_file(os.path.join(get_ui_dir(), "projectsettings.ui"))
self._setProperties()
self.builder.connect_signals(self)
# add custom display aspect ratio widget
self.dar_fraction_widget = FractionWidget()
self.video_properties_table.attach(
self.dar_fraction_widget, 0, 1, 6, 7, xoptions=gtk.EXPAND | gtk.FILL, yoptions=0
)
self.dar_fraction_widget.show()
# add custom pixel aspect ratio widget
self.par_fraction_widget = FractionWidget()
self.video_properties_table.attach(
self.par_fraction_widget, 1, 2, 6, 7, xoptions=gtk.EXPAND | gtk.FILL, yoptions=0
)
self.par_fraction_widget.show()
# add custom framerate widget
self.frame_rate_fraction_widget = FractionWidget()
self.video_properties_table.attach(
self.frame_rate_fraction_widget, 1, 2, 2, 3, xoptions=gtk.EXPAND | gtk.FILL, yoptions=0
)
self.frame_rate_fraction_widget.show()
# populate coboboxes with appropriate data
self.frame_rate_combo.set_model(frame_rates)
self.dar_combo.set_model(display_aspect_ratios)
self.par_combo.set_model(pixel_aspect_ratios)
self.channels_combo.set_model(audio_channels)
self.sample_rate_combo.set_model(audio_rates)
self.sample_depth_combo.set_model(audio_depths)
# behavior
self.wg = RippleUpdateGroup()
self.wg.addVertex(
self.frame_rate_combo,
signal="changed",
update_func=self._updateCombo,
update_func_args=(self.frame_rate_fraction_widget,),
)
self.wg.addVertex(
self.frame_rate_fraction_widget,
signal="value-changed",
update_func=self._updateFraction,
update_func_args=(self.frame_rate_combo,),
)
self.wg.addVertex(self.dar_combo, signal="changed")
self.wg.addVertex(self.dar_fraction_widget, signal="value-changed")
self.wg.addVertex(self.par_combo, signal="changed")
self.wg.addVertex(self.par_fraction_widget, signal="value-changed")
self.wg.addVertex(self.width_spinbutton, signal="value-changed")
self.wg.addVertex(self.height_spinbutton, signal="value-changed")
self.wg.addVertex(self.save_audio_preset_button, update_func=self._updateAudioSaveButton)
self.wg.addVertex(self.save_video_preset_button, update_func=self._updateVideoSaveButton)
self.wg.addVertex(self.channels_combo, signal="changed")
self.wg.addVertex(self.sample_rate_combo, signal="changed")
self.wg.addVertex(self.sample_depth_combo, signal="changed")
# constrain width and height IFF constrain_sar_button is active
self.wg.addEdge(
self.width_spinbutton, self.height_spinbutton, predicate=self.constrained, edge_func=self.updateHeight
)
self.wg.addEdge(
self.height_spinbutton, self.width_spinbutton, predicate=self.constrained, edge_func=self.updateWidth
)
# keep framereate text field and combo in sync
self.wg.addBiEdge(self.frame_rate_combo, self.frame_rate_fraction_widget)
# keep dar text field and combo in sync
self.wg.addEdge(self.dar_combo, self.dar_fraction_widget, edge_func=self.updateDarFromCombo)
self.wg.addEdge(self.dar_fraction_widget, self.dar_combo, edge_func=self.updateDarFromFractionWidget)
# keep par text field and combo in sync
self.wg.addEdge(self.par_combo, self.par_fraction_widget, edge_func=self.updateParFromCombo)
self.wg.addEdge(self.par_fraction_widget, self.par_combo, edge_func=self.updateParFromFractionWidget)
# constrain DAR and PAR values. because the combo boxes are already
# linked, we only have to link the fraction widgets together.
self.wg.addEdge(self.par_fraction_widget, self.dar_fraction_widget, edge_func=self.updateDarFromPar)
self.wg.addEdge(self.dar_fraction_widget, self.par_fraction_widget, edge_func=self.updateParFromDar)
# update PAR when width/height change and the DAR checkbutton is
# selected
self.wg.addEdge(
self.width_spinbutton, self.par_fraction_widget, predicate=self.darSelected, edge_func=self.updateParFromDar
)
self.wg.addEdge(
self.height_spinbutton,
self.par_fraction_widget,
predicate=self.darSelected,
edge_func=self.updateParFromDar,
)
# update DAR when width/height change and the PAR checkbutton is
# selected
self.wg.addEdge(
self.width_spinbutton, self.dar_fraction_widget, predicate=self.parSelected, edge_func=self.updateDarFromPar
)
self.wg.addEdge(
self.height_spinbutton,
self.dar_fraction_widget,
predicate=self.parSelected,
edge_func=self.updateDarFromPar,
)
# presets
self.audio_presets = AudioPresetManager()
self.audio_presets.loadAll()
self.video_presets = VideoPresetManager()
self.video_presets.loadAll()
self._fillPresetsTreeview(self.audio_preset_treeview, self.audio_presets, self._updateAudioPresetButtons)
self._fillPresetsTreeview(self.video_preset_treeview, self.video_presets, self._updateVideoPresetButtons)
# A map which tells which infobar should be used when displaying
# an error for a preset manager.
self._infobarForPresetManager = {
self.audio_presets: self.audio_preset_infobar,
self.video_presets: self.video_preset_infobar,
}
# Bind the widgets in the Video tab to the Video Presets Manager.
self.bindSpinbutton(self.video_presets, "width", self.width_spinbutton)
self.bindSpinbutton(self.video_presets, "height", self.height_spinbutton)
self.bindFractionWidget(self.video_presets, "frame-rate", self.frame_rate_fraction_widget)
self.bindPar(self.video_presets)
# Bind the widgets in the Audio tab to the Audio Presets Manager.
self.bindCombo(self.audio_presets, "channels", self.channels_combo)
self.bindCombo(self.audio_presets, "sample-rate", self.sample_rate_combo)
self.bindCombo(self.audio_presets, "depth", self.sample_depth_combo)
self.wg.addEdge(self.par_fraction_widget, self.save_video_preset_button)
self.wg.addEdge(self.frame_rate_fraction_widget, self.save_video_preset_button)
self.wg.addEdge(self.width_spinbutton, self.save_video_preset_button)
self.wg.addEdge(self.height_spinbutton, self.save_video_preset_button)
self.wg.addEdge(self.channels_combo, self.save_audio_preset_button)
self.wg.addEdge(self.sample_rate_combo, self.save_audio_preset_button)
self.wg.addEdge(self.sample_depth_combo, self.save_audio_preset_button)
self.updateUI()
self.createAudioNoPreset(self.audio_presets)
self.createVideoNoPreset(self.video_presets)
def bindPar(self, mgr):
def updatePar(value):
# activate par so we can set the value
self.select_par_radiobutton.props.active = True
self.par_fraction_widget.setWidgetValue(value)
mgr.bindWidget("par", updatePar, self.par_fraction_widget.getWidgetValue)
def bindFractionWidget(self, mgr, name, widget):
mgr.bindWidget(name, widget.setWidgetValue, widget.getWidgetValue)
def bindCombo(self, mgr, name, widget):
mgr.bindWidget(name, lambda x: set_combo_value(widget, x), lambda: get_combo_value(widget))
def bindSpinbutton(self, mgr, name, widget):
mgr.bindWidget(name, lambda x: widget.set_value(float(x)), lambda: int(widget.get_value()))
def _fillPresetsTreeview(self, treeview, mgr, update_buttons_func):
"""Set up the specified treeview to display the specified presets.
@param treeview: The treeview for displaying the presets.
@type treeview: TreeView
@param mgr: The preset manager.
@type mgr: PresetManager
@param update_buttons_func: A function which updates the buttons for
removing and saving a preset, enabling or disabling them accordingly.
@type update_buttons_func: function
"""
renderer = gtk.CellRendererText()
renderer.props.editable = True
column = gtk.TreeViewColumn("Preset", renderer, text=0)
treeview.append_column(column)
treeview.props.headers_visible = False
model = mgr.getModel()
treeview.set_model(model)
model.connect("row-inserted", self._newPresetCb, column, renderer, treeview)
renderer.connect("edited", self._presetNameEditedCb, mgr)
renderer.connect("editing-started", self._presetNameEditingStartedCb, mgr)
treeview.get_selection().connect("changed", self._presetChangedCb, mgr, update_buttons_func)
treeview.connect("focus-out-event", self._treeviewDefocusedCb, mgr)
def createAudioNoPreset(self, mgr):
mgr.prependPreset(
_("No preset"),
{
"depth": int(get_combo_value(self.sample_depth_combo)),
"channels": int(get_combo_value(self.channels_combo)),
"sample-rate": int(get_combo_value(self.sample_rate_combo)),
},
)
def createVideoNoPreset(self, mgr):
mgr.prependPreset(
_("No preset"),
{
"par": gst.Fraction(
int(get_combo_value(self.par_combo).num), int(get_combo_value(self.par_combo).denom)
),
"frame-rate": gst.Fraction(
int(get_combo_value(self.frame_rate_combo).num), int(get_combo_value(self.frame_rate_combo).denom)
),
"height": int(self.height_spinbutton.get_value()),
"width": int(self.width_spinbutton.get_value()),
},
)
def _newPresetCb(self, model, path, iter_, column, renderer, treeview):
"""Handle the addition of a preset to the model of the preset manager.
"""
treeview.set_cursor_on_cell(path, column, renderer, start_editing=True)
treeview.grab_focus()
def _presetNameEditedCb(self, renderer, path, new_text, mgr):
"""Handle the renaming of a preset."""
try:
mgr.renamePreset(path, new_text)
except DuplicatePresetNameException:
error_markup = _('"%s" already exists.') % new_text
self._showPresetManagerError(mgr, error_markup)
def _presetNameEditingStartedCb(self, renderer, editable, path, mgr):
"""Handle the start of a preset renaming."""
self._hidePresetManagerError(mgr)
def _presetChangedCb(self, selection, mgr, update_preset_buttons_func):
"""Handle the selection of a preset."""
model, iter_ = selection.get_selected()
if iter_:
preset = model[iter_][0]
else:
preset = None
mgr.restorePreset(preset)
update_preset_buttons_func()
self._hidePresetManagerError(mgr)
def _treeviewDefocusedCb(self, widget, event, mgr):
"""Handle the treeview loosing the focus."""
self._hidePresetManagerError(mgr)
def _showPresetManagerError(self, mgr, error_markup):
"""Show the specified error on the infobar associated with the manager.
@param mgr: The preset manager for which to show the error.
@type mgr: PresetManager
"""
infobar = self._infobarForPresetManager[mgr]
# The infobar must contain exactly one object in the content area:
# a label for displaying the error.
label = infobar.get_content_area().children()[0]
label.set_markup(error_markup)
infobar.show()
def _hidePresetManagerError(self, mgr):
"""Hide the error infobar associated with the manager.
@param mgr: The preset manager for which to hide the error infobar.
@type mgr: PresetManager
"""
infobar = self._infobarForPresetManager[mgr]
infobar.hide()
def constrained(self):
return self.constrain_sar_button.props.active
def _updateFraction(self, unused, fraction, combo):
fraction.setWidgetValue(get_combo_value(combo))
def _updateCombo(self, unused, combo, fraction):
set_combo_value(combo, fraction.getWidgetValue())
def getSAR(self):
width = int(self.width_spinbutton.get_value())
height = int(self.height_spinbutton.get_value())
return gst.Fraction(width, height)
def _setProperties(self):
self.window = self.builder.get_object("project-settings-dialog")
self.video_properties_table = self.builder.get_object("video_properties_table")
self.video_properties_table = self.builder.get_object("video_properties_table")
self.frame_rate_combo = self.builder.get_object("frame_rate_combo")
self.dar_combo = self.builder.get_object("dar_combo")
self.par_combo = self.builder.get_object("par_combo")
self.channels_combo = self.builder.get_object("channels_combo")
self.sample_rate_combo = self.builder.get_object("sample_rate_combo")
self.sample_depth_combo = self.builder.get_object("sample_depth_combo")
self.year_spinbutton = self.builder.get_object("year_spinbutton")
self.author_entry = self.builder.get_object("author_entry")
self.width_spinbutton = self.builder.get_object("width_spinbutton")
self.height_spinbutton = self.builder.get_object("height_spinbutton")
self.save_audio_preset_button = self.builder.get_object("save_audio_preset_button")
self.save_video_preset_button = self.builder.get_object("save_video_preset_button")
self.audio_preset_treeview = self.builder.get_object("audio_preset_treeview")
self.video_preset_treeview = self.builder.get_object("video_preset_treeview")
self.select_par_radiobutton = self.builder.get_object("select_par_radiobutton")
self.remove_audio_preset_button = self.builder.get_object("remove_audio_preset_button")
self.remove_video_preset_button = self.builder.get_object("remove_video_preset_button")
self.constrain_sar_button = self.builder.get_object("constrain_sar_button")
self.select_dar_radiobutton = self.builder.get_object("select_dar_radiobutton")
self.video_preset_infobar = self.builder.get_object("video-preset-infobar")
self.audio_preset_infobar = self.builder.get_object("audio-preset-infobar")
self.title_entry = self.builder.get_object("title_entry")
self.author_entry = self.builder.get_object("author_entry")
self.year_spinbutton = self.builder.get_object("year_spinbutton")
def _constrainSarButtonToggledCb(self, button):
if button.props.active:
self.sar = self.getSAR()
def _selectDarRadiobuttonToggledCb(self, button):
state = button.props.active
self.dar_fraction_widget.set_sensitive(state)
self.dar_combo.set_sensitive(state)
self.par_fraction_widget.set_sensitive(not state)
self.par_combo.set_sensitive(not state)
@staticmethod
def _getUniquePresetName(mgr):
"""Get a unique name for a new preset for the specified PresetManager.
"""
existing_preset_names = list(mgr.getPresetNames())
preset_name = _("New preset")
i = 1
while preset_name in existing_preset_names:
preset_name = _("New preset %d") % i
i += 1
return preset_name
def _addAudioPresetButtonClickedCb(self, button):
preset_name = self._getUniquePresetName(self.audio_presets)
self.audio_presets.addPreset(
preset_name,
{
"channels": get_combo_value(self.channels_combo),
"sample-rate": get_combo_value(self.sample_rate_combo),
"depth": get_combo_value(self.sample_depth_combo),
},
)
self.audio_presets.restorePreset(preset_name)
self._updateAudioPresetButtons()
def _removeAudioPresetButtonClickedCb(self, button):
selection = self.audio_preset_treeview.get_selection()
model, iter_ = selection.get_selected()
if iter_:
self.audio_presets.removePreset(model[iter_][0])
def _saveAudioPresetButtonClickedCb(self, button):
self.audio_presets.savePreset()
self.save_audio_preset_button.set_sensitive(False)
self.remove_audio_preset_button.set_sensitive(True)
def _addVideoPresetButtonClickedCb(self, button):
preset_name = self._getUniquePresetName(self.video_presets)
self.video_presets.addPreset(
preset_name,
{
"width": int(self.width_spinbutton.get_value()),
"height": int(self.height_spinbutton.get_value()),
"frame-rate": self.frame_rate_fraction_widget.getWidgetValue(),
"par": self.par_fraction_widget.getWidgetValue(),
},
)
self.video_presets.restorePreset(preset_name)
self._updateVideoPresetButtons()
def _removeVideoPresetButtonClickedCb(self, button):
selection = self.video_preset_treeview.get_selection()
model, iter_ = selection.get_selected()
if iter_:
self.video_presets.removePreset(model[iter_][0])
def _saveVideoPresetButtonClickedCb(self, button):
self.video_presets.savePreset()
self.save_video_preset_button.set_sensitive(False)
self.remove_video_preset_button.set_sensitive(True)
def _updateAudioPresetButtons(self):
can_save = self.audio_presets.isSaveButtonSensitive()
self.save_audio_preset_button.set_sensitive(can_save)
can_remove = self.audio_presets.isRemoveButtonSensitive()
self.remove_audio_preset_button.set_sensitive(can_remove)
def _updateVideoPresetButtons(self):
self.save_video_preset_button.set_sensitive(self.video_presets.isSaveButtonSensitive())
self.remove_video_preset_button.set_sensitive(self.video_presets.isRemoveButtonSensitive())
def _updateAudioSaveButton(self, unused_in, button):
button.set_sensitive(self.audio_presets.isSaveButtonSensitive())
def _updateVideoSaveButton(self, unused_in, button):
button.set_sensitive(self.video_presets.isSaveButtonSensitive())
def darSelected(self):
return self.select_dar_radiobutton.props.active
def parSelected(self):
return not self.darSelected()
def updateWidth(self):
height = int(self.height_spinbutton.get_value())
self.width_spinbutton.set_value(height * self.sar)
def updateHeight(self):
width = int(self.width_spinbutton.get_value())
self.height_spinbutton.set_value(width * (1 / self.sar))
def updateDarFromPar(self):
par = self.par_fraction_widget.getWidgetValue()
sar = self.getSAR()
self.dar_fraction_widget.setWidgetValue(sar * par)
def updateParFromDar(self):
dar = self.dar_fraction_widget.getWidgetValue()
sar = self.getSAR()
self.par_fraction_widget.setWidgetValue(dar * (1 / sar))
def updateDarFromCombo(self):
self.dar_fraction_widget.setWidgetValue(get_combo_value(self.dar_combo))
def updateDarFromFractionWidget(self):
set_combo_value(self.dar_combo, self.dar_fraction_widget.getWidgetValue())
def updateParFromCombo(self):
self.par_fraction_widget.setWidgetValue(get_combo_value(self.par_combo))
def updateParFromFractionWidget(self):
set_combo_value(self.par_combo, self.par_fraction_widget.getWidgetValue())
def updateUI(self):
self.width_spinbutton.set_value(self.settings.videowidth)
self.height_spinbutton.set_value(self.settings.videoheight)
# video
self.frame_rate_fraction_widget.setWidgetValue(self.settings.videorate)
self.par_fraction_widget.setWidgetValue(self.settings.videopar)
# audio
set_combo_value(self.channels_combo, self.settings.audiochannels)
set_combo_value(self.sample_rate_combo, self.settings.audiorate)
set_combo_value(self.sample_depth_combo, self.settings.audiodepth)
self._selectDarRadiobuttonToggledCb(self.select_dar_radiobutton)
# metadata
self.title_entry.set_text(self.project.name)
self.author_entry.set_text(self.project.author)
if self.project.year:
year = int(self.project.year)
else:
year = datetime.now().year
self.year_spinbutton.get_adjustment().set_value(year)
def updateMetadata(self):
self.project.name = self.title_entry.get_text()
self.project.author = self.author_entry.get_text()
self.project.year = str(self.year_spinbutton.get_value_as_int())
def updateSettings(self):
width = int(self.width_spinbutton.get_value())
height = int(self.height_spinbutton.get_value())
par = self.par_fraction_widget.getWidgetValue()
frame_rate = self.frame_rate_fraction_widget.getWidgetValue()
channels = get_combo_value(self.channels_combo)
sample_rate = get_combo_value(self.sample_rate_combo)
sample_depth = get_combo_value(self.sample_depth_combo)
self.settings.setVideoProperties(width, height, frame_rate, par)
self.settings.setAudioProperties(channels, sample_rate, sample_depth)
self.project.setSettings(self.settings)
def _responseCb(self, unused_widget, response):
if response == gtk.RESPONSE_OK:
self.updateSettings()
self.updateMetadata()
self.window.destroy()
