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| #include "FilterTreeView.h"
#include <string.h>
#include <gtk/gtk.h>
#define FILTER_TREE_VIEW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
TYPE_FILTER_TREE_VIEW, \
FilterTreeViewPrivate))
typedef struct _FilterTreeViewPrivate FilterTreeViewPrivate;
struct _FilterTreeViewPrivate
{
GtkComboBox *p_combo_box;
GtkTreeModelFilter *filter;
};
static void filter_tree_view_destroy (GtkObject *object)
{
FilterTreeViewClass *klass;
g_return_if_fail (object != NULL);
g_return_if_fail (IS_FILTER_TREE_VIEW (object));
klass = gtk_type_class (gtk_widget_get_type ());
(*GTK_OBJECT_CLASS (klass)->destroy) (object);
}
static void filter_tree_view_class_init (FilterTreeViewClass *klass)
{
GtkObjectClass *object_class;
g_return_if_fail (klass != NULL);
object_class = (GtkObjectClass *)klass;
object_class->destroy = filter_tree_view_destroy;
g_type_class_add_private (klass, sizeof (FilterTreeViewPrivate));
}
static void filter_tree_view_init (FilterTreeView *this)
{
g_return_if_fail (this != NULL);
}
static void fill_combo_box (GtkComboBox *p_combo_box)
{
g_return_if_fail (p_combo_box != NULL);
gtk_combo_box_append_text (p_combo_box, "");
gtk_combo_box_append_text (p_combo_box, ".txt");
}
static void fill_tree_view (GtkListStore *p_list_store)
{
gint i;
gchar *items[] = {"fichier.txt", "fichier.ogg", "fichier.odt", NULL};
GtkTreeIter iter;
g_return_if_fail (p_list_store != NULL);
for (i = 0; items[i] != NULL; i++)
{
gtk_list_store_append (p_list_store, &iter);
gtk_list_store_set (p_list_store, &iter, 0, items[i], -1);
}
}
static gboolean filter_func (GtkTreeModel *p_tree_model, GtkTreeIter *iter, gpointer data)
{
gboolean visible = TRUE;
FilterTreeView *this = NULL;
gchar *item = NULL;
g_return_val_if_fail (IS_FILTER_TREE_VIEW (data), visible);
this = data;
gtk_tree_model_get (p_tree_model, iter, 0, &item, -1);
if (item)
{
gchar *select_item = NULL;
FilterTreeViewPrivate *priv = NULL;
priv = FILTER_TREE_VIEW_GET_PRIVATE (this);
select_item = gtk_combo_box_get_active_text (priv->p_combo_box);
if (select_item && select_item[0] != '\0' && strstr (item, select_item) == NULL)
{
visible = FALSE;
}
g_free (item), item = NULL;
g_free (select_item), select_item = NULL;
}
return visible;
}
static void cb_refresh (GtkWidget *p_widget, FilterTreeView *this)
{
FilterTreeViewPrivate *priv = NULL;
g_return_if_fail (IS_FILTER_TREE_VIEW (this));
priv = FILTER_TREE_VIEW_GET_PRIVATE (this);
gtk_tree_model_filter_refilter (priv->filter);
}
G_DEFINE_TYPE (FilterTreeView, filter_tree_view, GTK_TYPE_VBOX)
GtkWidget *filter_tree_view_new (void)
{
FilterTreeView *this = NULL;
this = gtk_type_new (filter_tree_view_get_type ());
gtk_box_set_homogeneous (GTK_BOX (this), FALSE);
{
GtkWidget *p_hbox = NULL;
GtkWidget *p_button = NULL;
FilterTreeViewPrivate *priv = NULL;
priv = FILTER_TREE_VIEW_GET_PRIVATE (this);
p_hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (this), GTK_WIDGET (p_hbox), FALSE, FALSE, 0);
priv->p_combo_box = GTK_COMBO_BOX (gtk_combo_box_new_text ());
fill_combo_box (priv->p_combo_box);
gtk_box_pack_start (GTK_BOX (p_hbox), GTK_WIDGET (priv->p_combo_box), TRUE, TRUE, 0);
p_button = gtk_button_new_from_stock (GTK_STOCK_REFRESH);
g_signal_connect (G_OBJECT (p_button), "clicked", G_CALLBACK (cb_refresh), this);
gtk_box_pack_start (GTK_BOX (p_hbox), GTK_WIDGET (p_button), FALSE, FALSE, 0);
{
GtkCellRenderer *renderer = NULL;
GtkTreeViewColumn *column = NULL;
GtkListStore *p_list_store = NULL;
GtkWidget *p_tree_view = NULL;
p_list_store = GTK_LIST_STORE (gtk_list_store_new (1, G_TYPE_STRING));
priv->filter = GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (GTK_TREE_MODEL (p_list_store), NULL));
gtk_tree_model_filter_set_visible_func (priv->filter, filter_func, this, NULL);
p_tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->filter));
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("FilterTreeView",
renderer, "text",
0, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (p_tree_view), column);
fill_tree_view (p_list_store);
gtk_box_pack_start (GTK_BOX (this), p_tree_view, TRUE, TRUE, 0);
}
}
return GTK_WIDGET (this);
} |
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