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Extended gtk_cell_area_apply_attributes() to account for expander/expanded cells

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The state of expanded cells must come from the view, since these states
can vary across views accessing the same model (also "finished up" the
applying of attributes code).
This commit is contained in:
Tristan Van Berkom
2010-11-02 18:01:03 +09:00
parent 73e45cef9d
commit 832c123fd2
2 changed files with 33 additions and 2 deletions
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31
gtk/gtkcellarea.c
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@ -117,6 +117,8 @@ typedef struct {
GtkCellArea *area;
GtkTreeModel *model;
GtkTreeIter *iter;
gboolean is_expander;
gboolean is_expanded;
} AttributeData;
struct _GtkCellAreaPrivate
@ -926,6 +928,22 @@ apply_cell_attributes (GtkCellRenderer *renderer,
CellAttribute *attribute;
GSList *list;
GValue value = { 0, };
gboolean is_expander;
gboolean is_expanded;
g_object_freeze_notify (G_OBJECT (renderer));
/* Whether a row expands or is presently expanded can only be
* provided by the view (as these states can vary across views
* accessing the same model).
*/
g_object_get (renderer, "is-expander", &is_expander, NULL);
if (is_expander != data->is_expander)
g_object_set (renderer, "is-expander", data->is_expander, NULL);
g_object_get (renderer, "is-expanded", &is_expanded, NULL);
if (is_expanded != data->is_expanded)
g_object_set (renderer, "is-expanded", data->is_expanded, NULL);
/* Apply the attributes directly to the renderer */
for (list = info->attributes; list; list = list->next)
@ -942,12 +960,16 @@ apply_cell_attributes (GtkCellRenderer *renderer,
if (info->func)
info->func (GTK_CELL_LAYOUT (data->area), renderer,
data->model, data->iter, info->data);
g_object_thaw_notify (G_OBJECT (renderer));
}
void
gtk_cell_area_apply_attributes (GtkCellArea *area,
GtkTreeModel *tree_model,
GtkTreeIter *iter)
GtkTreeIter *iter,
gboolean is_expander,
gboolean is_expanded)
{
GtkCellAreaPrivate *priv;
AttributeData data;
@ -958,6 +980,13 @@ gtk_cell_area_apply_attributes (GtkCellArea *area,
priv = area->priv;
/* Feed in data needed to apply to every renderer */
data.area = area;
data.model = tree_model;
data.iter = iter;
data.is_expander = is_expander;
data.is_expanded = is_expanded;
/* Go over any cells that have attributes or custom GtkCellLayoutDataFuncs and
* apply the data from the treemodel */
g_hash_table_foreach (priv->cell_info, (GHFunc)apply_cell_attributes, &data);