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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Add vertical timeline widget (which looks quite cool)
This commit is contained in:
René Stadler
Stefan Sauer
parent
be53d450ce
commit
19a3fef369
3 changed files with 126 additions and 18 deletions
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@ -895,6 +895,10 @@ class Window (object):
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return self.widgets.vbox_main
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def get_side_attach_point (self):
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return self.widgets.hbox_view
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def attach (self):
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self.window_state.attach (window = self.gtk_window, state = self.app.state)
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@ -233,6 +233,73 @@ class UpdateProcess (object):
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pass
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class VerticalTimelineWidget (gtk.DrawingArea):
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__gtype_name__ = "GstDebugViewerVerticalTimelineWidget"
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def __init__ (self):
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gtk.DrawingArea.__init__ (self)
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self.logger = logging.getLogger ("ui.vtimeline")
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self.params = None
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self.connect ("expose-event", self.__handle_expose_event)
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self.connect ("size-request", self.__handle_size_request)
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def __handle_expose_event (self, self_, event):
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self.__draw (self.window)
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def __draw (self, drawable):
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ctx = drawable.cairo_create ()
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x, y, w, h = self.get_allocation ()
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# White background rectangle.
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ctx.set_line_width (0.)
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ctx.rectangle (0, 0, w, h)
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ctx.set_source_rgb (1., 1., 1.)
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ctx.fill ()
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ctx.new_path ()
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if self.params is None:
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return
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first_y, cell_height, ts_list = self.params
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first_ts, last_ts = ts_list[0], ts_list[-1]
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ts_range = last_ts - first_ts
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if ts_range == 0:
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return
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ctx.set_line_width (1.)
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ctx.set_source_rgb (0., 0., 0.)
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first_y += cell_height // 2 - .5
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for i, ts in enumerate (ts_list):
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ts_fraction = float (ts - first_ts) / ts_range
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ts_offset = ts_fraction * h
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row_offset = first_y + i * cell_height
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ctx.move_to (-.5, ts_offset)
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ctx.line_to (4.5, ts_offset)
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ctx.line_to (w - 4.5, row_offset)
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ctx.line_to (w + .5, row_offset)
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ctx.stroke ()
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def __handle_size_request (self, self_, req):
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req.width = 64 # FIXME
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def update (self, first_y, cell_height, ts_list):
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# FIXME: Ideally we should be informed of the vertical position
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# difference of the view (which is 0) with the current UI layout.
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self.params = (first_y, cell_height, ts_list,)
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self.queue_draw ()
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class TimelineWidget (gtk.DrawingArea):
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__gtype_name__ = "GstDebugViewerTimelineWidget"
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@ -500,6 +567,12 @@ class TimelineFeature (FeatureBase):
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box.pack_start (self.timeline, False, False, 0)
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self.timeline.hide ()
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box = window.get_side_attach_point ()
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self.vtimeline = VerticalTimelineWidget ()
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box.pack_start (self.vtimeline, False, False, 0)
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self.vtimeline.hide ()
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window.widgets.log_view_scrolled_window.props.vadjustment.connect ("value-changed",
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self.handle_log_view_adjustment_value_changed)
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@ -535,20 +608,37 @@ class TimelineFeature (FeatureBase):
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model = self.log_view.props.model
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start_path, end_path = self.log_view.get_visible_range ()
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ts1 = model.get (model.get_iter (start_path),
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model.COL_TIME)[0]
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ts2 = model.get (model.get_iter (end_path),
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model.COL_TIME)[0]
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ts1 = model.get_value (model.get_iter (start_path),
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model.COL_TIME)
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ts2 = model.get_value (model.get_iter (end_path),
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model.COL_TIME)
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self.timeline.update_position (ts1, ts2)
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column = self.log_view.get_column (0)
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cell_rect = self.log_view.get_cell_area (start_path, column)
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first_y = self.log_view.convert_bin_window_to_widget_coords (cell_rect.x, cell_rect.y)[1]
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bg_rect = self.log_view.get_background_area (start_path, column)
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cell_height = bg_rect.height
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ts_list = []
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tree_iter = model.get_iter (start_path)
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while model.get_path (tree_iter) != end_path:
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ts_list.append (model.get_value (tree_iter, model.COL_TIME))
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tree_iter = model.iter_next (tree_iter)
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self.vtimeline.update (first_y, cell_height, ts_list)
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def handle_show_action_toggled (self, action):
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show = action.props.active
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if show:
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self.timeline.show ()
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self.vtimeline.show ()
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else:
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self.timeline.hide ()
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self.vtimeline.hide ()
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def handle_timeline_button_press_event (self, widget, event):
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@ -30,26 +30,40 @@
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<property name="spacing">0</property>
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<child>
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<widget class="GtkScrolledWindow" id="log_view_scrolled_window">
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<widget class="GtkHBox" id="hbox_view">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
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<property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
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<property name="shadow_type">GTK_SHADOW_IN</property>
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<property name="window_placement">GTK_CORNER_TOP_LEFT</property>
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<property name="homogeneous">False</property>
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<property name="spacing">0</property>
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<child>
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<widget class="GtkTreeView" id="log_view">
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<widget class="GtkScrolledWindow" id="log_view_scrolled_window">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="headers_visible">True</property>
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<property name="rules_hint">True</property>
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<property name="reorderable">True</property>
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<property name="enable_search">True</property>
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<property name="fixed_height_mode">False</property>
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<property name="hover_selection">False</property>
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<property name="hover_expand">False</property>
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<property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
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<property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
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<property name="shadow_type">GTK_SHADOW_IN</property>
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<property name="window_placement">GTK_CORNER_TOP_LEFT</property>
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<child>
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<widget class="GtkTreeView" id="log_view">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="headers_visible">True</property>
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<property name="rules_hint">True</property>
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<property name="reorderable">True</property>
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<property name="enable_search">True</property>
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<property name="fixed_height_mode">False</property>
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<property name="hover_selection">False</property>
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<property name="hover_expand">False</property>
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</widget>
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</child>
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</widget>
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<packing>
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<property name="padding">0</property>
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<property name="expand">True</property>
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<property name="fill">True</property>
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<property name="pack_type">GTK_PACK_END</property>
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</packing>
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</child>
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</widget>
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<packing>
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