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libsysprof-gtk: fix items-change emission for model changes

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This commit is contained in:
Christian Hergert
2023-06-27 12:33:26 -07:00
parent 886ff654a1
commit 4eff7f6fa3
1 changed files with 20 additions and 11 deletions
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31
src/libsysprof-gtk/sysprof-series.c
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@ -225,9 +225,6 @@ void
sysprof_series_set_model (SysprofSeries *self, sysprof_series_set_model (SysprofSeries *self,
GListModel *model) GListModel *model)
{ {
guint old_len = 0;
guint new_len = 0;
g_return_if_fail (SYSPROF_IS_SERIES (self)); g_return_if_fail (SYSPROF_IS_SERIES (self));
g_return_if_fail (!model || G_IS_LIST_MODEL (model)); g_return_if_fail (!model || G_IS_LIST_MODEL (model));
@ -235,29 +232,41 @@ sysprof_series_set_model (SysprofSeries *self,
return; return;
if (model != NULL) if (model != NULL)
{ g_object_ref (model);
new_len = g_list_model_get_n_items (model);
g_object_ref (model);
}
if (self->model != NULL) if (self->model != NULL)
{ {
old_len = g_list_model_get_n_items (self->model); guint old_len = g_list_model_get_n_items (self->model);
g_clear_signal_handler (&self->items_changed_handler, self->model); g_clear_signal_handler (&self->items_changed_handler, self->model);
SYSPROF_SERIES_GET_CLASS (self)->items_changed (self, self->model, 0, old_len, 0);
if (old_len > 0)
{
SYSPROF_SERIES_GET_CLASS (self)->items_changed (self, self->model, 0, old_len, 0);
g_list_model_items_changed (G_LIST_MODEL (self), 0, old_len, 0);
}
g_clear_object (&self->model);
} }
g_set_object (&self->model, model); self->model = model;
if (model != NULL) if (model != NULL)
{ {
guint new_len = g_list_model_get_n_items (model);
self->items_changed_handler = self->items_changed_handler =
g_signal_connect_object (model, g_signal_connect_object (model,
"items-changed", "items-changed",
G_CALLBACK (sysprof_series_items_changed_cb), G_CALLBACK (sysprof_series_items_changed_cb),
self, self,
G_CONNECT_SWAPPED); G_CONNECT_SWAPPED);
SYSPROF_SERIES_GET_CLASS (self)->items_changed (self, self->model, 0, 0, new_len);
if (new_len > 0)
{
SYSPROF_SERIES_GET_CLASS (self)->items_changed (self, self->model, 0, 0, new_len);
g_list_model_items_changed (G_LIST_MODEL (self), 0, 0, new_len);
}
} }
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_MODEL]); g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_MODEL]);