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libsysprof-analyze: allow series without a model

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This can be useful when you want to generate some data for graphs.
This commit is contained in:
Christian Hergert
2023-06-20 17:18:57 -07:00
parent b77247c40c
commit 100b200995
1 changed files with 10 additions and 8 deletions
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18
src/libsysprof-analyze/sysprof-xy-series.c
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@ -83,10 +83,10 @@ sysprof_xy_series_new (GListModel *model,
{
SysprofXYSeries *self;
g_return_val_if_fail (G_IS_LIST_MODEL (model), NULL);
g_return_val_if_fail (!model || G_IS_LIST_MODEL (model), NULL);
self = g_atomic_rc_box_new0 (SysprofXYSeries);
self->model = g_object_ref (model);
self->model = model ? g_object_ref (model) : NULL;
self->values = g_array_new (FALSE, FALSE, sizeof (SysprofXYSeriesValue));
self->min_x = min_x;
self->min_y = min_y;
@ -94,11 +94,13 @@ sysprof_xy_series_new (GListModel *model,
self->max_y = max_y;
self->x_distance = max_x - min_x;
self->y_distance = max_y - min_y;
self->items_changed_handler =
g_signal_connect (self->model,
"items-changed",
G_CALLBACK (warn_on_items_changed_cb),
NULL);
if (model != NULL)
self->items_changed_handler =
g_signal_connect (self->model,
"items-changed",
G_CALLBACK (warn_on_items_changed_cb),
NULL);
return self;
}
@ -154,7 +156,7 @@ sysprof_xy_series_add (SysprofXYSeries *self,
*
* Gets the underlying model for the xy series.
*
* Returns: (transfer none): a #GListModel
* Returns: (transfer none) (nullable): a #GListModel
*/
GListModel *
sysprof_xy_series_get_model (SysprofXYSeries *self)