From 0a380243b1363ab2477a8fd846d4fae92bb24912 Mon Sep 17 00:00:00 2001 From: Chris Toshok Date: Fri, 1 Sep 2000 08:57:43 +0000 Subject: add signals/prototypes for e_tree_model_node_collapsed and 2000-09-01 Chris Toshok * e-tree-model.h: add signals/prototypes for e_tree_model_node_collapsed and e_tree_model_node_expanded. * e-tree-model.c (etree_set_expanded): emit node_expanded/node_collapsed signals, with node_expanded happening before the expansion so it can much with the children, and collapsed being emitted after. (e_tree_model_row_of_node): remove stupid check, and g_warning. (e_tree_model_node_collapsed): new function. (e_tree_model_node_expanded): new function. svn path=/trunk/; revision=5162 --- widgets/table/e-tree-model.c | 64 ++++++++++++++++++++++++++++++++++++++------ 1 file changed, 56 insertions(+), 8 deletions(-) (limited to 'widgets/table/e-tree-model.c') diff --git a/widgets/table/e-tree-model.c b/widgets/table/e-tree-model.c index f6d8ddddd5..2744bc1cd2 100644 --- a/widgets/table/e-tree-model.c +++ b/widgets/table/e-tree-model.c @@ -31,6 +31,8 @@ enum { NODE_CHANGED, NODE_INSERTED, NODE_REMOVED, + NODE_COLLAPSED, + NODE_EXPANDED, LAST_SIGNAL }; @@ -129,7 +131,7 @@ etree_set_expanded (ETreeModel *etm, ETreePath* node, gboolean expanded) GNode *child; ENode *enode; int row; - + g_return_if_fail (node && node->data); enode = ((ENode*)node->data); @@ -137,12 +139,23 @@ etree_set_expanded (ETreeModel *etm, ETreePath* node, gboolean expanded) if (enode->expanded == expanded) return; + if (expanded) { + gboolean allow_expand = TRUE; + e_tree_model_node_expanded (etm, node, &allow_expand); + if (!allow_expand) + return; + } + enode->expanded = expanded; /* if the node wasn't visible at present */ - if ((row = e_tree_model_row_of_node (etm, node)) == -1) + if ((row = e_tree_model_row_of_node (etm, node)) == -1) { + if (!expanded) { + e_tree_model_node_collapsed (etm, node); + } return; - + } + row++; if (expanded) { @@ -183,6 +196,8 @@ etree_set_expanded (ETreeModel *etm, ETreePath* node, gboolean expanded) } enode->visible_descendents = 0; + + e_tree_model_node_collapsed (etm, node); } } @@ -332,6 +347,22 @@ e_tree_model_class_init (GtkObjectClass *klass) gtk_marshal_NONE__POINTER_POINTER, GTK_TYPE_NONE, 2, GTK_TYPE_POINTER, GTK_TYPE_POINTER); + e_tree_model_signals [NODE_COLLAPSED] = + gtk_signal_new ("node_collapsed", + GTK_RUN_LAST, + klass->type, + GTK_SIGNAL_OFFSET (ETreeModelClass, node_collapsed), + gtk_marshal_NONE__POINTER, + GTK_TYPE_NONE, 1, GTK_TYPE_POINTER); + + e_tree_model_signals [NODE_EXPANDED] = + gtk_signal_new ("node_expanded", + GTK_RUN_LAST, + klass->type, + GTK_SIGNAL_OFFSET (ETreeModelClass, node_expanded), + gtk_marshal_NONE__POINTER_POINTER, + GTK_TYPE_NONE, 2, GTK_TYPE_POINTER, GTK_TYPE_POINTER); + gtk_object_class_add_signals (klass, e_tree_model_signals, LAST_SIGNAL); table_class->row_count = etable_row_count; @@ -404,6 +435,28 @@ e_tree_model_node_removed (ETreeModel *tree_model, ETreePath *parent_node, ETre parent_node, removed_node); } +void +e_tree_model_node_collapsed (ETreeModel *tree_model, ETreePath *node) +{ + g_return_if_fail (tree_model != NULL); + g_return_if_fail (E_IS_TREE_MODEL (tree_model)); + + gtk_signal_emit (GTK_OBJECT (tree_model), + e_tree_model_signals [NODE_COLLAPSED], + node); +} + +void +e_tree_model_node_expanded (ETreeModel *tree_model, ETreePath *node, gboolean *allow_expand) +{ + g_return_if_fail (tree_model != NULL); + g_return_if_fail (E_IS_TREE_MODEL (tree_model)); + + gtk_signal_emit (GTK_OBJECT (tree_model), + e_tree_model_signals [NODE_EXPANDED], + node, allow_expand); +} + void e_tree_model_construct (ETreeModel *etree) @@ -446,15 +499,10 @@ e_tree_model_row_of_node (ETreeModel *etree, ETreePath *node) { int i; - if (etree->root == node) - return -1; - for (i = 0; i < etree->row_array->len; i ++) if (g_array_index (etree->row_array, GNode*, i) == node) return i; - g_warning ("e_tree_model_row_of_node failed for node %p\n", node); - return -1; } -- cgit