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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37578 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling 2006-02-14 13:54:51 +00:00
parent 9a71e770e1
commit 67cbdfc150
1 changed files with 45 additions and 40 deletions
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85
src/gtk/dataview.cpp
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@ -214,7 +214,14 @@ wxgtk_list_store_get_flags (GtkTreeModel *tree_model)
{
g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), 0);
return GTK_TREE_MODEL_ITERS_PERSIST | GTK_TREE_MODEL_LIST_ONLY;
// GTK+ list store uses a linked list for storing the
// items and a pointer to a child is used as the member
// field of a GtkTreeIter. This means that the iter is
// valid in the GtkListStore as long as the child exists.
// We use the index of the row and since the index of a
// specific row will change if a row above is deleted,
// the iter does not persist
return /* GTK_TREE_MODEL_ITERS_PERSIST | */ GTK_TREE_MODEL_LIST_ONLY;
}
static gint
@ -343,18 +350,22 @@ static gboolean
wxgtk_list_store_iter_next (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
GtkWxListStore *list_store = (GtkListStore *) tree_model;
g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), FALSE);
GtkWxListStore *list_store = (GtkListStore *) tree_model;
#if 0
g_return_val_if_fail (GTK_LIST_STORE (tree_model)->stamp == iter->stamp, FALSE);
g_return_val_if_fail (list_store->stamp == iter->stamp, FALSE);
iter->user_data = G_SLIST (iter->user_data)->next;
int n = (int) iter->user_data;
if (n == -1)
return FALSE;
if (n >= (int) list_store->model->GetRowCount())
return FALSE;
iter->user_data = (gpointer) n++;
return (iter->user_data != NULL);
#endif
return NULL;
return TRUE;
}
static gboolean
@ -362,21 +373,17 @@ wxgtk_list_store_iter_children (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent)
{
/* this is a list, nodes have no children */
g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), FALSE);
GtkWxListStore *list_store = (GtkListStore *) tree_model;
// this is a list, nodes have no children
if (parent)
return FALSE;
/* but if parent == NULL we return the list itself */
if (GTK_WX_LIST_STORE (tree_model)->root)
{
iter->stamp = GTK_WX_LIST_STORE (tree_model)->stamp;
iter->user_data = GTK_WX_LIST_STORE (tree_model)->root;
return TRUE;
}
else
{
return FALSE;
}
iter->stamp = list_store->stamp;
iter->user_data = (gpointer) -1;
return TRUE;
}
static gboolean
@ -391,11 +398,12 @@ wxgtk_list_store_iter_n_children (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), -1);
GtkWxListStore *list_store = (GtkListStore *) tree_model;
if (iter == NULL)
return GTK_WX_LIST_STORE (tree_model)->model->GetLength();
return (gint) list_store->model->GetRowCount();
g_return_val_if_fail (GTK_WX_LIST_STORE (tree_model)->stamp == iter->stamp, -1);
g_return_val_if_fail (list_store->stamp == iter->stamp, -1);
return 0;
}
@ -406,25 +414,22 @@ wxgtk_list_store_iter_nth_child (GtkTreeModel *tree_model,
GtkTreeIter *parent,
gint n)
{
#if 0
GSList *child;
g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), FALSE);
GtkWxListStore *list_store = (GtkListStore *) tree_model;
if (parent)
return FALSE;
g_return_val_if_fail (GTK_IS_LIST_STORE (tree_model), FALSE);
if (n < 0)
return FALSE;
if (n >= (gint) list_store->model->GetRowCount())
return FALSE;
if (parent)
return FALSE;
child = g_slist_nth (G_SLIST (GTK_LIST_STORE (tree_model)->root), n);
if (child)
{
iter->stamp = GTK_LIST_STORE (tree_model)->stamp;
iter->user_data = child;
return TRUE;
}
else
#endif
return FALSE;
iter->stamp = list_store->stamp;
iter->user_data = (gpointer) n;
return TRUE;
}
static gboolean