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Diffstat (limited to 'widgets/table/e-tree.c')
-rw-r--r--widgets/table/e-tree.c118
1 files changed, 94 insertions, 24 deletions
diff --git a/widgets/table/e-tree.c b/widgets/table/e-tree.c
index 0796e1bb25..5e301aabf0 100644
--- a/widgets/table/e-tree.c
+++ b/widgets/table/e-tree.c
@@ -75,6 +75,7 @@ enum {
CLICK,
KEY_PRESS,
START_DRAG,
+ STATE_CHANGE,
TREE_DRAG_BEGIN,
TREE_DRAG_END,
@@ -113,9 +114,13 @@ struct ETreePriv {
ETableHeader *full_header, *header;
+ guint structure_change_id, expansion_change_id;
+
ETableSortInfo *sort_info;
ESorter *sorter;
+ guint sort_info_change_id, group_info_change_id;
+
ESelectionModel *selection;
ETableSpecification *spec;
@@ -257,6 +262,78 @@ et_disconnect_from_etta (ETree *et)
}
static void
+e_tree_state_change (ETree *et)
+{
+ gtk_signal_emit (GTK_OBJECT (et),
+ et_signals [STATE_CHANGE]);
+}
+
+static void
+change_trigger (GtkObject *object, ETree *et)
+{
+ e_tree_state_change (et);
+}
+
+static void
+disconnect_header (ETree *e_tree)
+{
+ if (e_tree->priv->header == NULL)
+ return;
+
+ if (e_tree->priv->structure_change_id)
+ gtk_signal_disconnect (GTK_OBJECT (e_tree->priv->header),
+ e_tree->priv->structure_change_id);
+ if (e_tree->priv->expansion_change_id)
+ gtk_signal_disconnect (GTK_OBJECT (e_tree->priv->header),
+ e_tree->priv->expansion_change_id);
+ if (e_tree->priv->sort_info) {
+ if (e_tree->priv->sort_info_change_id)
+ gtk_signal_disconnect (GTK_OBJECT (e_tree->priv->sort_info),
+ e_tree->priv->sort_info_change_id);
+ if (e_tree->priv->group_info_change_id)
+ gtk_signal_disconnect (GTK_OBJECT (e_tree->priv->sort_info),
+ e_tree->priv->group_info_change_id);
+
+ gtk_object_unref(GTK_OBJECT(e_tree->priv->sort_info));
+ }
+ gtk_object_unref(GTK_OBJECT(e_tree->priv->header));
+ e_tree->priv->header = NULL;
+ e_tree->priv->sort_info = NULL;
+}
+
+static void
+connect_header (ETree *e_tree, ETableState *state)
+{
+ if (e_tree->priv->header != NULL)
+ disconnect_header (e_tree);
+
+ e_tree->priv->header = e_table_state_to_header (GTK_WIDGET(e_tree), e_tree->priv->full_header, state);
+
+ e_tree->priv->structure_change_id =
+ gtk_signal_connect (GTK_OBJECT (e_tree->priv->header), "structure_change",
+ change_trigger, e_tree);
+ e_tree->priv->expansion_change_id =
+ gtk_signal_connect (GTK_OBJECT (e_tree->priv->header), "expansion_change",
+ change_trigger, e_tree);
+
+ if (state->sort_info) {
+ e_tree->priv->sort_info = e_table_sort_info_duplicate(state->sort_info);
+ e_table_sort_info_set_can_group (e_tree->priv->sort_info, FALSE);
+ e_tree->priv->sort_info_change_id =
+ gtk_signal_connect (GTK_OBJECT (e_tree->priv->sort_info), "sort_info_changed",
+ change_trigger, e_tree);
+ e_tree->priv->group_info_change_id =
+ gtk_signal_connect (GTK_OBJECT (e_tree->priv->sort_info), "group_info_changed",
+ change_trigger, e_tree);
+ } else
+ e_tree->priv->sort_info = NULL;
+
+ gtk_object_set(GTK_OBJECT(e_tree->priv->header),
+ "sort_info", e_tree->priv->sort_info,
+ NULL);
+}
+
+static void
et_destroy (GtkObject *object)
{
ETree *et = E_TREE (object);
@@ -275,8 +352,7 @@ et_destroy (GtkObject *object)
gtk_object_unref (GTK_OBJECT (et->priv->model));
gtk_object_unref (GTK_OBJECT (et->priv->sorted));
gtk_object_unref (GTK_OBJECT (et->priv->full_header));
- gtk_object_unref (GTK_OBJECT (et->priv->header));
- gtk_object_unref (GTK_OBJECT (et->priv->sort_info));
+ disconnect_header (et);
gtk_object_unref (GTK_OBJECT (et->priv->selection));
if (et->priv->spec)
gtk_object_unref (GTK_OBJECT (et->priv->spec));
@@ -317,6 +393,11 @@ e_tree_init (GtkObject *object)
e_tree->priv->full_header = NULL;
e_tree->priv->header = NULL;
+ e_tree->priv->structure_change_id = 0;
+ e_tree->priv->expansion_change_id = 0;
+ e_tree->priv->sort_info_change_id = 0;
+ e_tree->priv->group_info_change_id = 0;
+
e_tree->priv->sort_info = NULL;
e_tree->priv->sorter = NULL;
e_tree->priv->reflow_idle_id = 0;
@@ -853,23 +934,12 @@ e_tree_setup_table (ETree *e_tree)
void
e_tree_set_state_object(ETree *e_tree, ETableState *state)
{
- if (e_tree->priv->header)
- gtk_object_unref(GTK_OBJECT(e_tree->priv->header));
- e_tree->priv->header = e_table_state_to_header (GTK_WIDGET(e_tree), e_tree->priv->full_header, state);
+ connect_header (e_tree, state);
gtk_object_set (GTK_OBJECT (e_tree->priv->header),
"width", (double) (GTK_WIDGET(e_tree->priv->table_canvas)->allocation.width),
NULL);
- if (e_tree->priv->sort_info)
- gtk_object_unref(GTK_OBJECT(e_tree->priv->sort_info));
-
- if (state->sort_info) {
- e_tree->priv->sort_info = e_table_sort_info_duplicate(state->sort_info);
- e_table_sort_info_set_can_group (e_tree->priv->sort_info, FALSE);
- } else
- e_tree->priv->sort_info = NULL;
-
if (e_tree->priv->header_item)
gtk_object_set(GTK_OBJECT(e_tree->priv->header_item),
"ETableHeader", e_tree->priv->header,
@@ -1106,18 +1176,9 @@ et_real_construct (ETree *e_tree, ETreeModel *etm, ETableExtras *ete,
e_tree->priv->cursor_mode = specification->cursor_mode;
e_tree->priv->full_header = e_table_spec_to_full_header(specification, ete);
- e_tree->priv->header = e_table_state_to_header (GTK_WIDGET(e_tree), e_tree->priv->full_header, state);
+ connect_header (e_tree, state);
e_tree->priv->horizontal_scrolling = specification->horizontal_scrolling;
- e_tree->priv->sort_info = state->sort_info;
- gtk_object_ref (GTK_OBJECT (e_tree->priv->sort_info));
-
- e_table_sort_info_set_can_group (e_tree->priv->sort_info, FALSE);
-
- gtk_object_set(GTK_OBJECT(e_tree->priv->header),
- "sort_info", e_tree->priv->sort_info,
- NULL);
-
e_tree->priv->model = etm;
gtk_object_ref (GTK_OBJECT (etm));
@@ -2724,6 +2785,7 @@ e_tree_class_init (ETreeClass *class)
class->click = NULL;
class->key_press = NULL;
class->start_drag = et_real_start_drag;
+ class->state_change = NULL;
class->tree_drag_begin = NULL;
class->tree_drag_end = NULL;
@@ -2799,6 +2861,14 @@ e_tree_class_init (ETreeClass *class)
e_marshal_NONE__INT_POINTER_INT_POINTER,
GTK_TYPE_NONE, 4, GTK_TYPE_INT, GTK_TYPE_POINTER, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);
+ et_signals [STATE_CHANGE] =
+ gtk_signal_new ("state_change",
+ GTK_RUN_LAST,
+ E_OBJECT_CLASS_TYPE (object_class),
+ GTK_SIGNAL_OFFSET (ETreeClass, state_change),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+
et_signals[TREE_DRAG_BEGIN] =
gtk_signal_new ("tree_drag_begin",
GTK_RUN_LAST,
generated by cgit (git 2.34.1) at 2024-11-14 09:02:09 +0800