def _createUI(self):
self.leftSizeGroup = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
self.props.row_spacing = 2
self.props.column_spacing = 2
self.hadj = gtk.Adjustment()
self.vadj = gtk.Adjustment()
# zooming slider
self._zoomAdjustment = gtk.Adjustment()
self._zoomAdjustment.set_value(Zoomable.getCurrentZoomLevel())
self._zoomAdjustment.connect("value-changed",
self._zoomAdjustmentChangedCb)
self._zoomAdjustment.props.lower = 0
self._zoomAdjustment.props.upper = Zoomable.zoom_steps
zoomslider = gtk.HScale(self._zoomAdjustment)
zoomslider.props.draw_value = False
zoomslider.set_tooltip_text(_("Zoom Timeline"))
self.attach(zoomslider, 0, 1, 0, 1, yoptions=0, xoptions=gtk.FILL)
# controls for tracks and layers
self._controls = TimelineControls()
controlwindow = gtk.Viewport(None, self.vadj)
controlwindow.add(self._controls)
controlwindow.set_size_request(-1, 1)
controlwindow.set_shadow_type(gtk.SHADOW_OUT)
self.attach(controlwindow, 0, 1, 1, 2, xoptions=0)
# timeline ruler
self.ruler = ruler.ScaleRuler(self.app, self.hadj)
self.ruler.set_size_request(0, 25)
self.ruler.set_border_width(2)
self.ruler.connect("key-press-event", self._keyPressEventCb)
self.ruler.connect("size-allocate", self._rulerSizeAllocateCb)
rulerframe = gtk.Frame()
rulerframe.set_shadow_type(gtk.SHADOW_OUT)
rulerframe.add(self.ruler)
self.attach(rulerframe, 1, 2, 0, 1, yoptions=0)
# proportional timeline
self._canvas = TimelineCanvas(self.app)
self._root_item = self._canvas.get_root_item()
self.attach(self._canvas, 1, 2, 1, 2)
# scrollbar
self._hscrollbar = gtk.HScrollbar(self.hadj)
self._vscrollbar = gtk.VScrollbar(self.vadj)
self.attach(self._hscrollbar, 1, 2, 2, 3, yoptions=0)
self.attach(self._vscrollbar, 2, 3, 1, 2, xoptions=0)
self.hadj.connect("value-changed", self._updateScrollPosition)
self.vadj.connect("value-changed", self._updateScrollPosition)
# error infostub
self.infostub = InfoStub()
self.attach(self.infostub, 1, 2, 4, 5, yoptions=0)
self.show_all()
self.infostub.hide()
# toolbar actions
actions = (
("ZoomIn", gtk.STOCK_ZOOM_IN, None, "<Control>plus", ZOOM_IN,
self._zoomInCb),
("ZoomOut", gtk.STOCK_ZOOM_OUT, None, "<Control>minus", ZOOM_OUT,
self._zoomOutCb),
# actions for adding additional accelerators
("ControlEqualAccel", gtk.STOCK_ZOOM_IN, None, "<Control>equal", ZOOM_IN,
self._zoomInCb),
("ControlKPAddAccel", gtk.STOCK_ZOOM_IN, None, "<Control>KP_Add", ZOOM_IN,
self._zoomInCb),
("ControlKPSubtractAccel", gtk.STOCK_ZOOM_OUT, None, "<Control>KP_Subtract", ZOOM_OUT,
self._zoomOutCb),
)
selection_actions = (
("DeleteObj", gtk.STOCK_DELETE, None, "Delete", DELETE,
self.deleteSelected),
("UnlinkObj", "pitivi-unlink", None, "<Shift><Control>L", UNLINK,
self.unlinkSelected),
("LinkObj", "pitivi-link", None, "<Control>L", LINK,
self.linkSelected),
("UngroupObj", "pitivi-ungroup", None, "<Shift><Control>G", UNGROUP,
self.ungroupSelected),
("GroupObj", "pitivi-group", None, "<Control>G", GROUP,
self.groupSelected),
)
self.playhead_actions = (
("Split", "pitivi-split", _("Split"), "S", SPLIT,
self.split),
("Keyframe", "pitivi-keyframe", _("Add a keyframe"), "K", KEYFRAME,
self.keyframe),
("Prevframe", "pitivi-prevframe", _("_Prevframe"), "E", PREVFRAME,
self.prevframe),
("Nextframe", "pitivi-nextframe", _("_Nextframe"), "R", NEXTFRAME,
self.nextframe),
)
actiongroup = gtk.ActionGroup("timelinepermanent")
actiongroup.add_actions(actions)
self.ui_manager.insert_action_group(actiongroup, 0)
actiongroup = gtk.ActionGroup("timelineselection")
actiongroup.add_actions(selection_actions)
actiongroup.add_actions(self.playhead_actions)
self.link_action = actiongroup.get_action("LinkObj")
self.unlink_action = actiongroup.get_action("UnlinkObj")
self.group_action = actiongroup.get_action("GroupObj")
self.ungroup_action = actiongroup.get_action("UngroupObj")
self.delete_action = actiongroup.get_action("DeleteObj")
self.split_action = actiongroup.get_action("Split")
self.keyframe_action = actiongroup.get_action("Keyframe")
self.prevframe_action = actiongroup.get_action("Prevframe")
self.nextframe_action = actiongroup.get_action("Nextframe")
self.ui_manager.insert_action_group(actiongroup, -1)
self.ui_manager.add_ui_from_string(ui)
# drag and drop
self.drag_dest_set(gtk.DEST_DEFAULT_MOTION,
[dnd.FILESOURCE_TUPLE, dnd.EFFECT_TUPLE],
gtk.gdk.ACTION_COPY)
self.connect("drag-data-received", self._dragDataReceivedCb)
self.connect("drag-leave", self._dragLeaveCb)
self.connect("drag-drop", self._dragDropCb)
self.connect("drag-motion", self._dragMotionCb)
self._canvas.connect("button-press-event", self._buttonPress)
self._canvas.connect("button-release-event", self._buttonRelease)
self._canvas.connect("key-press-event", self._keyPressEventCb)
class Timeline(gtk.Table, Loggable, Zoomable):
# the screen width of the current unit
unit_width = 10
# specific levels of zoom, in (multiplier, unit) pairs which
# from zoomed out to zoomed in
def __init__(self, instance, ui_manager):
gtk.Table.__init__(self, rows=2, columns=1, homogeneous=False)
Loggable.__init__(self)
Zoomable.__init__(self)
self.log("Creating Timeline")
self._updateZoom = True
self.project = None
self.ui_manager = ui_manager
self.app = instance
self._temp_objects = None
self._factories = None
self._finish_drag = False
self._position = 0
self._state = gst.STATE_NULL
self._createUI()
self._prev_duration = 0
self.shrink = True
self.rate = gst.Fraction(1,1)
def _createUI(self):
self.leftSizeGroup = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
self.props.row_spacing = 2
self.props.column_spacing = 2
self.hadj = gtk.Adjustment()
self.vadj = gtk.Adjustment()
# zooming slider
self._zoomAdjustment = gtk.Adjustment()
self._zoomAdjustment.set_value(Zoomable.getCurrentZoomLevel())
self._zoomAdjustment.connect("value-changed",
self._zoomAdjustmentChangedCb)
self._zoomAdjustment.props.lower = 0
self._zoomAdjustment.props.upper = Zoomable.zoom_steps
zoomslider = gtk.HScale(self._zoomAdjustment)
zoomslider.props.draw_value = False
zoomslider.set_tooltip_text(_("Zoom Timeline"))
self.attach(zoomslider, 0, 1, 0, 1, yoptions=0, xoptions=gtk.FILL)
# controls for tracks and layers
self._controls = TimelineControls()
controlwindow = gtk.Viewport(None, self.vadj)
controlwindow.add(self._controls)
controlwindow.set_size_request(-1, 1)
controlwindow.set_shadow_type(gtk.SHADOW_OUT)
self.attach(controlwindow, 0, 1, 1, 2, xoptions=0)
# timeline ruler
self.ruler = ruler.ScaleRuler(self.app, self.hadj)
self.ruler.set_size_request(0, 25)
self.ruler.set_border_width(2)
self.ruler.connect("key-press-event", self._keyPressEventCb)
self.ruler.connect("size-allocate", self._rulerSizeAllocateCb)
rulerframe = gtk.Frame()
rulerframe.set_shadow_type(gtk.SHADOW_OUT)
rulerframe.add(self.ruler)
self.attach(rulerframe, 1, 2, 0, 1, yoptions=0)
# proportional timeline
self._canvas = TimelineCanvas(self.app)
self._root_item = self._canvas.get_root_item()
self.attach(self._canvas, 1, 2, 1, 2)
# scrollbar
self._hscrollbar = gtk.HScrollbar(self.hadj)
self._vscrollbar = gtk.VScrollbar(self.vadj)
self.attach(self._hscrollbar, 1, 2, 2, 3, yoptions=0)
self.attach(self._vscrollbar, 2, 3, 1, 2, xoptions=0)
self.hadj.connect("value-changed", self._updateScrollPosition)
self.vadj.connect("value-changed", self._updateScrollPosition)
# error infostub
self.infostub = InfoStub()
self.attach(self.infostub, 1, 2, 4, 5, yoptions=0)
self.show_all()
self.infostub.hide()
# toolbar actions
actions = (
("ZoomIn", gtk.STOCK_ZOOM_IN, None, "<Control>plus", ZOOM_IN,
self._zoomInCb),
("ZoomOut", gtk.STOCK_ZOOM_OUT, None, "<Control>minus", ZOOM_OUT,
self._zoomOutCb),
# actions for adding additional accelerators
("ControlEqualAccel", gtk.STOCK_ZOOM_IN, None, "<Control>equal", ZOOM_IN,
self._zoomInCb),
("ControlKPAddAccel", gtk.STOCK_ZOOM_IN, None, "<Control>KP_Add", ZOOM_IN,
self._zoomInCb),
("ControlKPSubtractAccel", gtk.STOCK_ZOOM_OUT, None, "<Control>KP_Subtract", ZOOM_OUT,
self._zoomOutCb),
)
selection_actions = (
("DeleteObj", gtk.STOCK_DELETE, None, "Delete", DELETE,
self.deleteSelected),
("UnlinkObj", "pitivi-unlink", None, "<Shift><Control>L", UNLINK,
self.unlinkSelected),
("LinkObj", "pitivi-link", None, "<Control>L", LINK,
self.linkSelected),
("UngroupObj", "pitivi-ungroup", None, "<Shift><Control>G", UNGROUP,
self.ungroupSelected),
("GroupObj", "pitivi-group", None, "<Control>G", GROUP,
self.groupSelected),
)
self.playhead_actions = (
("Split", "pitivi-split", _("Split"), "S", SPLIT,
self.split),
("Keyframe", "pitivi-keyframe", _("Add a keyframe"), "K", KEYFRAME,
self.keyframe),
("Prevframe", "pitivi-prevframe", _("_Prevframe"), "E", PREVFRAME,
self.prevframe),
("Nextframe", "pitivi-nextframe", _("_Nextframe"), "R", NEXTFRAME,
self.nextframe),
)
actiongroup = gtk.ActionGroup("timelinepermanent")
actiongroup.add_actions(actions)
self.ui_manager.insert_action_group(actiongroup, 0)
actiongroup = gtk.ActionGroup("timelineselection")
actiongroup.add_actions(selection_actions)
actiongroup.add_actions(self.playhead_actions)
self.link_action = actiongroup.get_action("LinkObj")
self.unlink_action = actiongroup.get_action("UnlinkObj")
self.group_action = actiongroup.get_action("GroupObj")
self.ungroup_action = actiongroup.get_action("UngroupObj")
self.delete_action = actiongroup.get_action("DeleteObj")
self.split_action = actiongroup.get_action("Split")
self.keyframe_action = actiongroup.get_action("Keyframe")
self.prevframe_action = actiongroup.get_action("Prevframe")
self.nextframe_action = actiongroup.get_action("Nextframe")
self.ui_manager.insert_action_group(actiongroup, -1)
self.ui_manager.add_ui_from_string(ui)
# drag and drop
self.drag_dest_set(gtk.DEST_DEFAULT_MOTION,
[dnd.FILESOURCE_TUPLE, dnd.EFFECT_TUPLE],
gtk.gdk.ACTION_COPY)
self.connect("drag-data-received", self._dragDataReceivedCb)
self.connect("drag-leave", self._dragLeaveCb)
self.connect("drag-drop", self._dragDropCb)
self.connect("drag-motion", self._dragMotionCb)
self._canvas.connect("button-press-event", self._buttonPress)
self._canvas.connect("button-release-event", self._buttonRelease)
self._canvas.connect("key-press-event", self._keyPressEventCb)
## Event callbacks
def _keyPressEventCb(self, unused_widget, event):
kv = event.keyval
self.debug("kv:%r", kv)
if kv not in [gtk.keysyms.Left, gtk.keysyms.Right]:
return False
mod = event.get_state()
try:
if mod & gtk.gdk.CONTROL_MASK:
now = self.project.pipeline.getPosition()
ltime, rtime = self.project.timeline.edges.closest(now)
if kv == gtk.keysyms.Left:
if mod & gtk.gdk.SHIFT_MASK:
self._seekRelative(-gst.SECOND)
elif mod & gtk.gdk.CONTROL_MASK:
self._seeker.seek(ltime+1)
else:
self._seekRelative(-long(self.rate * gst.SECOND))
elif kv == gtk.keysyms.Right:
if mod & gtk.gdk.SHIFT_MASK:
self._seekRelative(gst.SECOND)
elif mod & gtk.gdk.CONTROL_MASK:
self._seeker.seek(rtime+1)
else:
self._seekRelative(long(self.rate * gst.SECOND))
finally:
return True
def _seekRelative(self, time):
pipeline = self.project.pipeline
seekvalue = max(0, min(pipeline.getPosition() + time,
pipeline.getDuration()))
self._seeker.seek(seekvalue)
def _buttonPress(self, window, event):
self.shrink = False
def _buttonRelease(self, window, event):
self.shrink = True
self._timelineStartDurationChanged(self.timeline,
self.timeline.duration)
## Drag and Drop callbacks
def _dragMotionCb(self, unused, context, x, y, timestamp):
self.warning("self._factories:%r, self._temp_objects:%r",
not not self._factories,
not not self._temp_objects)
if self._factories is None:
if context.targets in DND_EFFECT_LIST:
atom = gtk.gdk.atom_intern(dnd.EFFECT_TUPLE[0])
else:
atom = gtk.gdk.atom_intern(dnd.FILESOURCE_TUPLE[0])
self.drag_get_data(context, atom, timestamp)
self.drag_highlight()
else:
if context.targets not in DND_EFFECT_LIST:
if not self._temp_objects:
self.timeline.disableUpdates()
self._add_temp_source()
focus = self._temp_objects[0]
self._move_context = MoveContext(self.timeline,
focus, set(self._temp_objects[1:]))
self._move_temp_source(self.hadj.props.value + x, y)
return True
def _dragLeaveCb(self, unused_layout, context, unused_tstamp):
if self._temp_objects:
try:
for obj in self._temp_objects:
self.timeline.removeTimelineObject(obj, deep=True)
finally:
self._temp_objects = None
self.drag_unhighlight()
self.timeline.enableUpdates()
def _dragDropCb(self, widget, context, x, y, timestamp):
if context.targets not in DND_EFFECT_LIST:
self.app.action_log.begin("add clip")
self.timeline.disableUpdates()
self._add_temp_source()
self.timeline.selection.setSelection(self._temp_objects, SELECT)
focus = self._temp_objects[0]
self._move_context = MoveContext(self.timeline,
focus, set(self._temp_objects[1:]))
self._move_temp_source(self.hadj.props.value + x, y)
self._move_context.finish()
self.app.action_log.commit()
context.drop_finish(True, timestamp)
self._factories = None
self._temp_objects = None
self.app.current.seeker.seek(self._position)
return True
elif context.targets in DND_EFFECT_LIST:
if not self.timeline.timeline_objects:
return False
factory = self._factories[0]
timeline_objs = self._getTimelineObjectUnderMouse(x, y, factory.getInputStreams()[0])
if timeline_objs:
self.app.action_log.begin("add effect")
self.timeline.addEffectFactoryOnObject(factory,
timeline_objects = timeline_objs)
self.app.action_log.commit()
self._factories = None
self.app.current.seeker.seek(self._position)
context.drop_finish(True, timestamp)
self.timeline.selection.setSelection(timeline_objs, SELECT)
return True
return False
def _dragDataReceivedCb(self, unused_layout, context, x, y,
selection, targetType, timestamp):
self.log("SimpleTimeline, targetType:%d, selection.data:%s" %
(targetType, selection.data))
# FIXME: let's have just one target type, call it
# TYPE_PITIVI_OBJECTFACTORY.
# TODO: handle uri targets by doign an import-add. This would look
# something like this:
# tell current project to import the uri
# wait for source-added signal, meanwhile ignore dragMotion signals
# when ready, add factories to the timeline.
if targetType not in [dnd.TYPE_PITIVI_FILESOURCE, dnd.TYPE_PITIVI_EFFECT]:
context.finish(False, False, timestamp)
return
if targetType == dnd.TYPE_PITIVI_FILESOURCE:
uris = selection.data.split("\n")
self._factories = [self.project.sources.getUri(uri) for uri in uris]
else:
if not self.timeline.timeline_objects:
return False
self._factories = [self.app.effects.getFactoryFromName(selection.data)]
context.drag_status(gtk.gdk.ACTION_COPY, timestamp)
return True
def _getTimelineObjectUnderMouse(self, x, y, stream):
timeline_objs = []
items_in_area = self._canvas.getItemsInArea(x, y-15, x+1, y-30)
tracks = [obj for obj in items_in_area[0]]
track_objects = [obj for obj in items_in_area[1]]
for track_object in track_objects:
if (type(stream) == type(track_object.stream)):
timeline_objs.append(track_object.timeline_object)
return timeline_objs
def _add_temp_source(self):
self._temp_objects = [self.timeline.addSourceFactory(factory)
for factory in self._factories]
def _move_temp_source(self, x, y):
x1, y1, x2, y2 = self._controls.get_allocation()
offset = 10 + (x2 - x1)
x, y = self._canvas.convert_from_pixels(x - offset, y)
priority = int((y // (LAYER_HEIGHT_EXPANDED + LAYER_SPACING)))
delta = Zoomable.pixelToNs(x)
self._move_context.editTo(delta, priority)
## Zooming and Scrolling
def _updateScrollPosition(self, adjustment):
self._root_item.set_simple_transform( -self.hadj.get_value(),
-self.vadj.get_value(), 1.0, 0)
def _zoomAdjustmentChangedCb(self, adjustment):
# GTK crack
self._updateZoom = False
Zoomable.setZoomLevel(int(adjustment.get_value()))
self._updateZoom = True
def zoomChanged(self):
self._canvas.props.redraw_when_scrolled = True
if self._updateZoom:
self._zoomAdjustment.set_value(self.getCurrentZoomLevel())
self.ruler.queue_resize()
self.ruler.queue_draw()
def timelinePositionChanged(self, position):
self._position = position
self.ruler.timelinePositionChanged(position)
self._canvas.timelinePositionChanged(position)
if self._state == gst.STATE_PLAYING:
self.scrollToPlayhead()
def stateChanged(self, state):
self._state = state
def scrollToPlayhead(self):
"""
If the current position is out of the view bouds, then scroll
as close to the center of the view as possible or as close as the
timeline canvas allows.
"""
page_size = self.hadj.get_page_size()
new_pos = Zoomable.nsToPixel(self._position)
scroll_pos = self.hadj.get_value()
if (new_pos > scroll_pos + page_size) or (new_pos < scroll_pos):
self.scrollToPosition(min(new_pos - page_size / 2, self.hadj.upper - page_size - 1))
return False
def scrollToPosition(self, position):
if position > self.hadj.upper:
# we can't perform the scroll because the canvas needs to be
# updated
gobject.idle_add(self._scrollToPosition, position)
else:
self._scrollToPosition(position)
def _scrollToPosition(self, position):
self.hadj.set_value(position)
return False
def _rulerSizeAllocateCb(self, ruler, allocation):
self._canvas.props.redraw_when_scrolled = False
## Project callbacks
def _setProject(self):
if self.project:
self.timeline = self.project.timeline
self._controls.timeline = self.timeline
self._canvas.timeline = self.timeline
self._canvas.zoomChanged()
self.ruler.setProjectFrameRate(self.project.getSettings().videorate)
self.ruler.zoomChanged()
self._settingsChangedCb(self.project, None, self.project.getSettings())
self._seeker = self.project.seeker
project = receiver(_setProject)
@handler(project, "settings-changed")
def _settingsChangedCb(self, project, old, new):
rate = new.videorate
self.rate = float(1 / rate)
self.ruler.setProjectFrameRate(rate)
## Timeline callbacks
def _setTimeline(self):
if self.timeline:
self._timelineSelectionChanged(self.timeline)
self._timelineStartDurationChanged(self.timeline,
self.timeline.duration)
self._controls.timeline = self.timeline
timeline = receiver(_setTimeline)
@handler(timeline, "duration-changed")
def _timelineStartDurationChanged(self, unused_timeline, duration):
if self.shrink:
self._prev_duration = duration
self.ruler.setMaxDuration(duration + 60 * gst.SECOND)
self._canvas.setMaxDuration(duration + 60 * gst.SECOND)
self.ruler.setShadedDuration(duration)
else:
# only resize if new size is larger
if duration > self._prev_duration:
self._prev_duration = duration
self.ruler.setMaxDuration(duration)
self._canvas.setMaxDuration(duration)
#self.ruler.setShadedDuration(duration)
@handler(timeline, "selection-changed")
def _timelineSelectionChanged(self, timeline):
delete = False
link = False
unlink = False
group = False
ungroup = False
split = False
keyframe = False
timeline_objects = {}
if timeline.selection:
delete = True
if len(timeline.selection) > 1:
link = True
group = True
start = None
duration = None
for obj in self.timeline.selection:
if obj.link:
link = False
unlink = True
if len(obj.track_objects) > 1:
ungroup = True
if start is not None and duration is not None:
if obj.start != start or obj.duration != duration:
group = False
else:
start = obj.start
duration = obj.duration
split = True
keyframe = True
self.delete_action.set_sensitive(delete)
self.link_action.set_sensitive(link)
self.unlink_action.set_sensitive(unlink)
self.group_action.set_sensitive(group)
self.ungroup_action.set_sensitive(ungroup)
self.split_action.set_sensitive(split)
self.keyframe_action.set_sensitive(keyframe)
## ToolBar callbacks
def hide(self):
self.actiongroup.set_visible(False)
gtk.Vbox.hide(self)
def _zoomInCb(self, unused_action):
Zoomable.zoomIn()
def _zoomOutCb(self, unused_action):
Zoomable.zoomOut()
def deleteSelected(self, unused_action):
if self.timeline:
self.app.action_log.begin("delete clip")
self.timeline.deleteSelection()
self.app.action_log.commit()
def unlinkSelected(self, unused_action):
if self.timeline:
self.timeline.unlinkSelection()
def linkSelected(self, unused_action):
if self.timeline:
self.timeline.linkSelection()
def ungroupSelected(self, unused_action):
if self.timeline:
self.app.action_log.begin("ungroup")
self.timeline.ungroupSelection()
self.app.action_log.commit()
def groupSelected(self, unused_action):
if self.timeline:
self.timeline.groupSelection()
def split(self, action):
self.app.action_log.begin("split")
self.timeline.disableUpdates()
self.timeline.split(self._position)
self.timeline.enableUpdates()
self.app.action_log.commit()
# work-around for 603149
self.project.seeker.seek(self._position)
def keyframe(self, action):
timeline_position = self._position
selected = self.timeline.selection.getSelectedTrackObjs()
for obj in selected:
keyframe_exists = False
position_in_obj = (timeline_position - obj.start) + obj.in_point
interpolators = obj.getInterpolators()
for value in interpolators:
interpolator = obj.getInterpolator(value)
keyframes = interpolator.getInteriorKeyframes()
for kf in keyframes:
if kf.getTime() == position_in_obj:
keyframe_exists = True
self.app.action_log.begin("remove volume point")
interpolator.removeKeyframe(kf)
self.app.action_log.commit()
if keyframe_exists == False:
self.app.action_log.begin("add volume point")
interpolator.newKeyframe(position_in_obj)
self.app.action_log.commit()
def prevframe(self, action):
timeline_position = self._position
prev_kf = self.timeline.getPrevKeyframe(timeline_position)
if prev_kf != None:
self._seeker.seek(prev_kf)
self.scrollToPlayhead()
def nextframe(self, action):
timeline_position = self._position
next_kf = self.timeline.getNextKeyframe(timeline_position)
if next_kf:
self._seeker.seek(next_kf)
self.scrollToPlayhead()
def _createUI(self):
self.leftSizeGroup = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
self.hadj = gtk.Adjustment()
self.vadj = gtk.Adjustment()
# controls for tracks and layers
self._controls = TimelineControls()
controlwindow = gtk.ScrolledWindow(None, self.vadj)
controlwindow.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
controlwindow.add_with_viewport(self._controls)
controlwindow.set_size_request(-1, 1)
self.attach(controlwindow, 0, 1, 1, 2, xoptions=0)
# timeline ruler
self.ruler = ruler.ScaleRuler(self.hadj)
self.ruler.set_size_request(0, 25)
self.ruler.set_border_width(2)
self.ruler.connect("key-press-event", self._keyPressEventCb)
self.attach(self.ruler, 1, 2, 0, 1, yoptions=0)
# proportional timeline
self._canvas = TimelineCanvas(self.app)
timelinewindow = gtk.ScrolledWindow(self.hadj, self.vadj)
timelinewindow.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
timelinewindow.add(self._canvas)
#FIXME: remove padding between scrollbar and scrolled window
self.attach(timelinewindow, 1, 2, 1, 2)
# drag and drop
self.drag_dest_set(gtk.DEST_DEFAULT_MOTION, [dnd.FILESOURCE_TUPLE],
gtk.gdk.ACTION_COPY)
self.connect("drag-data-received", self._dragDataReceivedCb)
self.connect("drag-leave", self._dragLeaveCb)
self.connect("drag-drop", self._dragDropCb)
self.connect("drag-motion", self._dragMotionCb)
# toolbar actions
actions = (
("ZoomIn", gtk.STOCK_ZOOM_IN, None, None, ZOOM_IN, self._zoomInCb),
("ZoomOut", gtk.STOCK_ZOOM_OUT, None, None, ZOOM_OUT,
self._zoomOutCb),
)
selection_actions = (
("DeleteObj", gtk.STOCK_DELETE, None, "Delete", DELETE,
self.deleteSelected),
("UnlinkObj", "pitivi-unlink", None, "<Shift><Control>L", UNLINK,
self.unlinkSelected),
("LinkObj", "pitivi-link", None, "<Control>L", LINK,
self.linkSelected),
("UngroupObj", "pitivi-ungroup", None, "<Shift><Control>G",
UNGROUP, self.ungroupSelected),
("GroupObj", "pitivi-group", None, "<Control>G", GROUP,
self.groupSelected),
)
toggle_actions = (("Razor", "pitivi-split", _("Razor"), "<Ctrl>R",
RAZOR, self.toggleRazor), )
actiongroup = gtk.ActionGroup("timelinepermanent")
actiongroup.add_actions(actions)
actiongroup.add_toggle_actions(toggle_actions)
self.ui_manager.insert_action_group(actiongroup, 0)
actiongroup = gtk.ActionGroup("timelineselection")
actiongroup.add_actions(selection_actions)
self.link_action = actiongroup.get_action("LinkObj")
self.unlink_action = actiongroup.get_action("UnlinkObj")
self.group_action = actiongroup.get_action("GroupObj")
self.ungroup_action = actiongroup.get_action("UngroupObj")
self.delete_action = actiongroup.get_action("DeleteObj")
self.ui_manager.insert_action_group(actiongroup, -1)
self.ui_manager.add_ui_from_string(ui)
# drag and drop
self.drag_dest_set(gtk.DEST_DEFAULT_MOTION, [dnd.FILESOURCE_TUPLE],
gtk.gdk.ACTION_COPY)
self.connect("drag-data-received", self._dragDataReceivedCb)
self.connect("drag-leave", self._dragLeaveCb)
self.connect("drag-drop", self._dragDropCb)
self.connect("drag-motion", self._dragMotionCb)
self._canvas.connect("button-press-event", self._buttonPress)
self._canvas.connect("button-release-event", self._buttonRelease)
self._canvas.connect("key-press-event", self._keyPressEventCb)
def _createUI(self):
self.leftSizeGroup = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
self.props.row_spacing = 2
self.props.column_spacing = 2
self.hadj = gtk.Adjustment()
self.vadj = gtk.Adjustment()
# zooming slider
self._zoomAdjustment = gtk.Adjustment()
self._zoomAdjustment.set_value(Zoomable.getCurrentZoomLevel())
self._zoomAdjustment.connect("value-changed",
self._zoomAdjustmentChangedCb)
self._zoomAdjustment.props.lower = 0
self._zoomAdjustment.props.upper = Zoomable.zoom_steps
zoomslider = gtk.HScale(self._zoomAdjustment)
zoomslider.props.draw_value = False
zoomslider.set_tooltip_text(_("Zoom Timeline"))
self.attach(zoomslider, 0, 1, 0, 1, yoptions=0, xoptions=gtk.FILL)
# controls for tracks and layers
self._controls = TimelineControls()
controlwindow = gtk.Viewport(None, self.vadj)
controlwindow.add(self._controls)
controlwindow.set_size_request(-1, 1)
controlwindow.set_shadow_type(gtk.SHADOW_OUT)
self.attach(controlwindow, 0, 1, 1, 2, xoptions=0)
# timeline ruler
self.ruler = ruler.ScaleRuler(self.app, self.hadj)
self.ruler.set_size_request(0, 25)
self.ruler.set_border_width(2)
self.ruler.connect("key-press-event", self._keyPressEventCb)
self.ruler.connect("size-allocate", self._rulerSizeAllocateCb)
rulerframe = gtk.Frame()
rulerframe.set_shadow_type(gtk.SHADOW_OUT)
rulerframe.add(self.ruler)
self.attach(rulerframe, 1, 2, 0, 1, yoptions=0)
# proportional timeline
self._canvas = TimelineCanvas(self.app)
timelinewindow = gtk.ScrolledWindow(self.hadj, self.vadj)
timelinewindow.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
timelinewindow.add(self._canvas)
timelinewindow.set_shadow_type(gtk.SHADOW_IN)
timelinewindow.set_name("timelinewindow")
# temp fix for padding between scrollbar and scrolled window
#FIXME: should be set at an global position for easy editing?
gtk.rc_parse_string("""
style 'timelinewindow'
{
GtkScrolledWindow::scrollbar-spacing = 0
}
widget '*.timelinewindow' style 'timelinewindow'
""")
self.attach(timelinewindow, 1, 2, 1, 2)
# error infostub
self.infostub = InfoStub()
self.attach(self.infostub, 1, 2, 2, 3, yoptions=0)
self.show_all()
self.infostub.hide()
# toolbar actions
actions = (
("ZoomIn", gtk.STOCK_ZOOM_IN, None, "<Control>equal", ZOOM_IN,
self._zoomInCb),
("ZoomOut", gtk.STOCK_ZOOM_OUT, None, "<Control>minus", ZOOM_OUT,
self._zoomOutCb),
)
selection_actions = (
("DeleteObj", gtk.STOCK_DELETE, None, "Delete", DELETE,
self.deleteSelected),
("UnlinkObj", "pitivi-unlink", None, "<Shift><Control>L", UNLINK,
self.unlinkSelected),
("LinkObj", "pitivi-link", None, "<Control>L", LINK,
self.linkSelected),
("UngroupObj", "pitivi-ungroup", None, "<Shift><Control>G", UNGROUP,
self.ungroupSelected),
("GroupObj", "pitivi-group", None, "<Control>G", GROUP,
self.groupSelected),
)
playhead_actions = (
("Split", "pitivi-split", _("Split"), "S", SPLIT,
self.split),
)
actiongroup = gtk.ActionGroup("timelinepermanent")
actiongroup.add_actions(actions)
actiongroup.add_actions(playhead_actions)
self.ui_manager.insert_action_group(actiongroup, 0)
actiongroup = gtk.ActionGroup("timelineselection")
actiongroup.add_actions(selection_actions)
self.link_action = actiongroup.get_action("LinkObj")
self.unlink_action = actiongroup.get_action("UnlinkObj")
self.group_action = actiongroup.get_action("GroupObj")
self.ungroup_action = actiongroup.get_action("UngroupObj")
self.delete_action = actiongroup.get_action("DeleteObj")
self.ui_manager.insert_action_group(actiongroup, -1)
self.ui_manager.add_ui_from_string(ui)
# drag and drop
self.drag_dest_set(gtk.DEST_DEFAULT_MOTION,
[dnd.FILESOURCE_TUPLE],
gtk.gdk.ACTION_COPY)
self.connect("drag-data-received", self._dragDataReceivedCb)
self.connect("drag-leave", self._dragLeaveCb)
self.connect("drag-drop", self._dragDropCb)
self.connect("drag-motion", self._dragMotionCb)
self._canvas.connect("button-press-event", self._buttonPress)
self._canvas.connect("button-release-event", self._buttonRelease)
self._canvas.connect("key-press-event", self._keyPressEventCb)
class Timeline(gtk.Table, Loggable, Zoomable):
# the screen width of the current unit
unit_width = 10
# specific levels of zoom, in (multiplier, unit) pairs which
# from zoomed out to zoomed in
def __init__(self, instance, ui_manager):
gtk.Table.__init__(self, rows=2, columns=1, homogeneous=False)
Loggable.__init__(self)
Zoomable.__init__(self)
self.log("Creating Timeline")
self.project = None
self.ui_manager = ui_manager
self.app = instance
self._temp_objects = None
self._factories = None
self._finish_drag = False
self._position = 0
self._state = gst.STATE_NULL
self._createUI()
self._prev_duration = 0
self.shrink = True
self.rate = gst.Fraction(1, 1)
self._seeker = Seeker(80)
self._seeker.connect('seek', self._seekerSeekCb)
def _createUI(self):
self.leftSizeGroup = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
self.hadj = gtk.Adjustment()
self.vadj = gtk.Adjustment()
# controls for tracks and layers
self._controls = TimelineControls()
controlwindow = gtk.ScrolledWindow(None, self.vadj)
controlwindow.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
controlwindow.add_with_viewport(self._controls)
controlwindow.set_size_request(-1, 1)
self.attach(controlwindow, 0, 1, 1, 2, xoptions=0)
# timeline ruler
self.ruler = ruler.ScaleRuler(self.hadj)
self.ruler.set_size_request(0, 25)
self.ruler.set_border_width(2)
self.ruler.connect("key-press-event", self._keyPressEventCb)
self.attach(self.ruler, 1, 2, 0, 1, yoptions=0)
# proportional timeline
self._canvas = TimelineCanvas(self.app)
timelinewindow = gtk.ScrolledWindow(self.hadj, self.vadj)
timelinewindow.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
timelinewindow.add(self._canvas)
#FIXME: remove padding between scrollbar and scrolled window
self.attach(timelinewindow, 1, 2, 1, 2)
# drag and drop
self.drag_dest_set(gtk.DEST_DEFAULT_MOTION, [dnd.FILESOURCE_TUPLE],
gtk.gdk.ACTION_COPY)
self.connect("drag-data-received", self._dragDataReceivedCb)
self.connect("drag-leave", self._dragLeaveCb)
self.connect("drag-drop", self._dragDropCb)
self.connect("drag-motion", self._dragMotionCb)
# toolbar actions
actions = (
("ZoomIn", gtk.STOCK_ZOOM_IN, None, None, ZOOM_IN, self._zoomInCb),
("ZoomOut", gtk.STOCK_ZOOM_OUT, None, None, ZOOM_OUT,
self._zoomOutCb),
)
selection_actions = (
("DeleteObj", gtk.STOCK_DELETE, None, "Delete", DELETE,
self.deleteSelected),
("UnlinkObj", "pitivi-unlink", None, "<Shift><Control>L", UNLINK,
self.unlinkSelected),
("LinkObj", "pitivi-link", None, "<Control>L", LINK,
self.linkSelected),
("UngroupObj", "pitivi-ungroup", None, "<Shift><Control>G",
UNGROUP, self.ungroupSelected),
("GroupObj", "pitivi-group", None, "<Control>G", GROUP,
self.groupSelected),
)
toggle_actions = (("Razor", "pitivi-split", _("Razor"), "<Ctrl>R",
RAZOR, self.toggleRazor), )
actiongroup = gtk.ActionGroup("timelinepermanent")
actiongroup.add_actions(actions)
actiongroup.add_toggle_actions(toggle_actions)
self.ui_manager.insert_action_group(actiongroup, 0)
actiongroup = gtk.ActionGroup("timelineselection")
actiongroup.add_actions(selection_actions)
self.link_action = actiongroup.get_action("LinkObj")
self.unlink_action = actiongroup.get_action("UnlinkObj")
self.group_action = actiongroup.get_action("GroupObj")
self.ungroup_action = actiongroup.get_action("UngroupObj")
self.delete_action = actiongroup.get_action("DeleteObj")
self.ui_manager.insert_action_group(actiongroup, -1)
self.ui_manager.add_ui_from_string(ui)
# drag and drop
self.drag_dest_set(gtk.DEST_DEFAULT_MOTION, [dnd.FILESOURCE_TUPLE],
gtk.gdk.ACTION_COPY)
self.connect("drag-data-received", self._dragDataReceivedCb)
self.connect("drag-leave", self._dragLeaveCb)
self.connect("drag-drop", self._dragDropCb)
self.connect("drag-motion", self._dragMotionCb)
self._canvas.connect("button-press-event", self._buttonPress)
self._canvas.connect("button-release-event", self._buttonRelease)
self._canvas.connect("key-press-event", self._keyPressEventCb)
## Event callbacks
def _keyPressEventCb(self, unused_widget, event):
kv = event.keyval
self.debug("kv:%r", kv)
if kv not in [gtk.keysyms.Left, gtk.keysyms.Right]:
return False
mod = event.get_state()
try:
if mod & gtk.gdk.CONTROL_MASK:
now = self.project.pipeline.getPosition()
ltime, rtime = self.project.timeline.edges.closest(now)
if kv == gtk.keysyms.Left:
if mod & gtk.gdk.SHIFT_MASK:
self._seekRelative(-gst.SECOND)
elif mod & gtk.gdk.CONTROL_MASK:
self._seeker.seek(ltime + 1)
else:
self._seekRelative(-long(self.rate * gst.SECOND))
elif kv == gtk.keysyms.Right:
if mod & gtk.gdk.SHIFT_MASK:
self._seekRelative(gst.SECOND)
elif mod & gtk.gdk.CONTROL_MASK:
self._seeker.seek(rtime + 1)
else:
self._seekRelative(long(self.rate * gst.SECOND))
finally:
return True
def _seekRelative(self, time):
pipeline = self.project.pipeline
seekvalue = max(
0, min(pipeline.getPosition() + time, pipeline.getDuration()))
self._seeker.seek(seekvalue)
def _seekerSeekCb(self, seeker, position, format):
self.project.pipeline.seek(position, format)
def _buttonPress(self, window, event):
self.shrink = False
def _buttonRelease(self, window, event):
self.shrink = True
self._timelineStartDurationChanged(self.timeline,
self.timeline.duration)
## Drag and Drop callbacks
def _dragMotionCb(self, unused, context, x, y, timestamp):
self.warning("self._factories:%r, self._temp_objects:%r",
not not self._factories, not not self._temp_objects)
if self._factories is None:
atom = gtk.gdk.atom_intern(dnd.FILESOURCE_TUPLE[0])
self.drag_get_data(context, atom, timestamp)
self.drag_highlight()
else:
# actual drag-and-drop
if not self._temp_objects:
self.timeline.disableUpdates()
self._add_temp_source()
focus = self._temp_objects[0]
self._move_context = MoveContext(self.timeline, focus,
set(self._temp_objects[1:]))
self._move_temp_source(self.hadj.props.value + x, y)
return True
def _dragLeaveCb(self, unused_layout, unused_context, unused_tstamp):
if self._temp_objects:
try:
for obj in self._temp_objects:
self.timeline.removeTimelineObject(obj, deep=True)
finally:
self._temp_objects = None
self.drag_unhighlight()
self.timeline.enableUpdates()
def _dragDropCb(self, widget, context, x, y, timestamp):
self.app.action_log.begin("add clip")
self._add_temp_source()
focus = self._temp_objects[0]
self._move_context = MoveContext(self.timeline, focus,
set(self._temp_objects[1:]))
self._move_temp_source(self.hadj.props.value + x, y)
self._move_context.finish()
self.app.action_log.commit()
context.drop_finish(True, timestamp)
self._factories = None
self._temp_objects = None
return True
def _dragDataReceivedCb(self, unused_layout, context, x, y, selection,
targetType, timestamp):
self.log("SimpleTimeline, targetType:%d, selection.data:%s" %
(targetType, selection.data))
# FIXME: let's have just one target type, call it
# TYPE_PITIVI_OBJECTFACTORY.
# TODO: handle uri targets by doign an import-add. This would look
# something like this:
# tell current project to import the uri
# wait for source-added signal, meanwhile ignore dragMotion signals
# when ready, add factories to the timeline.
if targetType == dnd.TYPE_PITIVI_FILESOURCE:
uris = selection.data.split("\n")
else:
context.finish(False, False, timestamp)
self._factories = [self.project.sources.getUri(uri) for uri in uris]
context.drag_status(gtk.gdk.ACTION_COPY, timestamp)
return True
def _add_temp_source(self):
self._temp_objects = [
self.timeline.addSourceFactory(factory)
for factory in self._factories
]
def _move_temp_source(self, x, y):
x1, y1, x2, y2 = self._controls.get_allocation()
offset = 10 + (x2 - x1)
x, y = self._canvas.convert_from_pixels(x - offset, y)
priority = int((y // (LAYER_HEIGHT_EXPANDED + LAYER_SPACING)))
delta = Zoomable.pixelToNs(x)
self._move_context.editTo(delta, priority)
## Zooming and Scrolling
def zoomChanged(self):
# this has to be in a timeout, because the resize hasn't actually
# completed yet, and so the canvas can't actually complete the scroll
gobject.idle_add(self.scrollToPlayhead)
def timelinePositionChanged(self, position):
self._position = position
self.ruler.timelinePositionChanged(position)
self._canvas._position = position
if self._state == gst.STATE_PLAYING:
self.scrollToPlayhead()
def stateChanged(self, state):
self._state = state
def scrollToPlayhead(self):
width = self.get_allocation().width
new_pos = Zoomable.nsToPixel(self._position)
scroll_pos = self.hadj.get_value()
if (new_pos < scroll_pos) or (new_pos > scroll_pos + width):
self.scrollToPosition(new_pos - width / 2)
return False
def scrollToPosition(self, position):
if position > self.hadj.upper:
# we can't perform the scroll because the canvas needs to be
# updated
gobject.idle_add(self._scrollToPosition, position)
else:
self._scrollToPosition(position)
def _scrollToPosition(self, position):
self.hadj.set_value(position)
return False
## Project callbacks
def _setProject(self):
if self.project:
self.timeline = self.project.timeline
self._controls.timeline = self.timeline
self._canvas.timeline = self.timeline
self._canvas.zoomChanged()
self.ruler.setProjectFrameRate(
self.project.getSettings().videorate)
self.ruler.zoomChanged()
self._settingsChangedCb(self.project)
project = receiver(_setProject)
@handler(project, "settings-changed")
def _settingsChangedCb(self, project):
rate = self.project.getSettings().videorate
self.rate = float(1 / rate)
self.ruler.setProjectFrameRate(rate)
## Timeline callbacks
def _setTimeline(self):
if self.timeline:
self._timelineSelectionChanged(self.timeline)
self._timelineStartDurationChanged(self.timeline,
self.timeline.duration)
self._controls.timeline = self.timeline
timeline = receiver(_setTimeline)
@handler(timeline, "duration-changed")
def _timelineStartDurationChanged(self, unused_timeline, duration):
if self.shrink:
self._prev_duration = duration
self.ruler.setMaxDuration(duration + 60 * gst.SECOND)
self._canvas.setMaxDuration(duration + 60 * gst.SECOND)
self.ruler.setShadedDuration(duration)
else:
# only resize if new size is larger
if duration > self._prev_duration:
self._prev_duration = duration
self.ruler.setMaxDuration(duration)
self._canvas.setMaxDuration(duration)
#self.ruler.setShadedDuration(duration)
@handler(timeline, "selection-changed")
def _timelineSelectionChanged(self, timeline):
delete = False
link = False
unlink = False
group = False
ungroup = False
timeline_objects = {}
if timeline.selection:
delete = True
if len(timeline.selection) > 1:
link = True
group = True
start = None
duration = None
for obj in self.timeline.selection:
if obj.link:
unlink = True
if len(obj.track_objects) > 1:
ungroup = True
if start is not None and duration is not None:
if obj.start != start or obj.duration != duration:
group = False
else:
start = obj.start
duration = obj.duration
self.delete_action.set_sensitive(delete)
self.link_action.set_sensitive(link)
self.unlink_action.set_sensitive(unlink)
self.group_action.set_sensitive(group)
self.ungroup_action.set_sensitive(ungroup)
## ToolBar callbacks
def hide(self):
self.actiongroup.set_visible(False)
gtk.Vbox.hide(self)
def _zoomInCb(self, unused_action):
Zoomable.zoomIn()
def _zoomOutCb(self, unused_action):
Zoomable.zoomOut()
def deleteSelected(self, unused_action):
if self.timeline:
self.app.action_log.begin("delete clip")
self.timeline.deleteSelection()
self.app.action_log.commit()
def unlinkSelected(self, unused_action):
if self.timeline:
self.timeline.unlinkSelection()
def linkSelected(self, unused_action):
if self.timeline:
self.timeline.linkSelection()
def ungroupSelected(self, unused_action):
if self.timeline:
self.timeline.ungroupSelection()
def groupSelected(self, unused_action):
if self.timeline:
self.timeline.groupSelection()
def toggleRazor(self, action):
if action.props.active:
self._canvas.activateRazor(action)
else:
self._canvas.deactivateRazor()