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wip: visualizer work

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This commit is contained in:
Christian Hergert
2016-10-04 17:47:37 -07:00
parent 6d9656e6fe
commit 51ed367b74
7 changed files with 433 additions and 753 deletions
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128
lib/sp-visualizer-view.c
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@ -85,77 +85,6 @@ sp_visualizer_view_row_removed (SpVisualizerView *self,
g_signal_emit (self, signals [VISUALIZER_REMOVED], 0, widget);
}
static void
sp_visualizer_view_set_time_range (SpVisualizerView *self,
gint64 begin_time,
gint64 end_time)
{
SpVisualizerViewPrivate *priv = sp_visualizer_view_get_instance_private (self);
g_assert (SP_IS_VISUALIZER_VIEW (self));
if (end_time < begin_time)
{
gint64 tmp = begin_time;
begin_time = end_time;
end_time = tmp;
}
sp_visualizer_list_set_time_range (priv->list, begin_time, end_time);
sp_visualizer_ticks_set_time_range (priv->ticks, begin_time, end_time);
}
static void
sp_visualizer_view_adjustment_value_changed (SpVisualizerView *self,
GtkAdjustment *adjustment)
{
gint64 begin_time;
gint64 end_time;
g_assert (SP_IS_VISUALIZER_VIEW (self));
g_assert (GTK_IS_ADJUSTMENT (adjustment));
begin_time = gtk_adjustment_get_value (adjustment);
end_time = begin_time + gtk_adjustment_get_page_size (adjustment);
sp_visualizer_view_set_time_range (self, begin_time, end_time);
}
static void
sp_visualizer_view_notify_zoom (SpVisualizerView *self,
GParamSpec *pspec,
SpZoomManager *zoom_manager)
{
SpVisualizerViewPrivate *priv = sp_visualizer_view_get_instance_private (self);
gint64 begin_time = 0.0;
gint64 end_time;
gdouble zoom;
gdouble page_size;
gdouble upper;
gdouble value;
g_assert (SP_IS_VISUALIZER_VIEW (self));
g_assert (SP_IS_ZOOM_MANAGER (zoom_manager));
zoom = sp_zoom_manager_get_zoom (zoom_manager);
if (priv->reader != NULL)
begin_time = sp_capture_reader_get_start_time (priv->reader);
end_time = begin_time + (NSEC_PER_SEC * 60.0 / zoom);
sp_visualizer_view_set_time_range (self, begin_time, end_time);
gtk_adjustment_set_page_size (priv->scroll_adjustment, end_time - begin_time);
g_object_get (priv->scroll_adjustment,
"page-size", &page_size,
"upper", &upper,
"value", &value,
NULL);
if (value + page_size > upper)
gtk_adjustment_set_value (priv->scroll_adjustment, upper - page_size);
}
static void
sp_visualizer_view_finalize (GObject *object)
{
@ -282,12 +211,6 @@ sp_visualizer_view_init (SpVisualizerView *self)
G_CALLBACK (sp_visualizer_view_row_removed),
self,
G_CONNECT_SWAPPED);
g_signal_connect_object (priv->scroll_adjustment,
"value-changed",
G_CALLBACK (sp_visualizer_view_adjustment_value_changed),
self,
G_CONNECT_SWAPPED);
}
/**
@ -316,28 +239,10 @@ sp_visualizer_view_set_reader (SpVisualizerView *self,
if (priv->reader != reader)
{
g_clear_pointer (&priv->reader, sp_capture_reader_unref);
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_READER]);
sp_visualizer_list_set_reader (priv->list, reader);
if (reader != NULL)
{
gint64 begin_time = 0;
gint64 end_time = 0;
priv->reader = sp_capture_reader_ref (reader);
begin_time = sp_capture_reader_get_start_time (reader);
end_time = sp_capture_reader_get_end_time (reader);
sp_visualizer_ticks_set_epoch (priv->ticks, begin_time);
g_object_set (priv->scroll_adjustment,
"lower", (gdouble)begin_time,
"upper", (gdouble)end_time,
"value", (gdouble)begin_time,
NULL);
}
if (priv->zoom_manager != NULL)
sp_visualizer_view_notify_zoom (self, NULL, priv->zoom_manager);
priv->reader = sp_capture_reader_ref (reader);
sp_visualizer_list_set_reader (priv->list, reader);
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_READER]);
}
}
@ -370,6 +275,11 @@ buildable_iface_init (GtkBuildableIface *iface)
iface->add_child = sp_visualizer_view_add_child;
}
/**
* sp_visualizer_view_get_zoom_manager:
*
* Returns: (transfer none) (nullable): An #SpZoomManager or %NULL
*/
SpZoomManager *
sp_visualizer_view_get_zoom_manager (SpVisualizerView *self)
{
@ -389,27 +299,9 @@ sp_visualizer_view_set_zoom_manager (SpVisualizerView *self,
g_return_if_fail (SP_IS_VISUALIZER_VIEW (self));
g_return_if_fail (!zoom_manager || SP_IS_ZOOM_MANAGER (zoom_manager));
if (zoom_manager != priv->zoom_manager)
if (g_set_object (&priv->zoom_manager, zoom_manager))
{
if (priv->zoom_manager != NULL)
{
g_signal_handlers_disconnect_by_func (priv->zoom_manager,
G_CALLBACK (sp_visualizer_view_notify_zoom),
self);
g_clear_object (&priv->zoom_manager);
}
if (zoom_manager != NULL)
{
priv->zoom_manager = g_object_ref (zoom_manager);
g_signal_connect_object (priv->zoom_manager,
"notify::zoom",
G_CALLBACK (sp_visualizer_view_notify_zoom),
self,
G_CONNECT_SWAPPED);
sp_visualizer_view_notify_zoom (self, NULL, priv->zoom_manager);
}
sp_visualizer_list_set_zoom_manager (priv->list, zoom_manager);
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_ZOOM_MANAGER]);
gtk_widget_queue_resize (GTK_WIDGET (self));
}