/*
* e-signature-tree-view.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see
*
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include "e-signature-tree-view.h"
#define E_SIGNATURE_TREE_VIEW_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_SIGNATURE_TREE_VIEW, ESignatureTreeViewPrivate))
enum {
COLUMN_STRING,
COLUMN_SIGNATURE
};
enum {
PROP_0,
PROP_SELECTED,
PROP_SIGNATURE_LIST
};
enum {
REFRESHED,
LAST_SIGNAL
};
struct _ESignatureTreeViewPrivate {
ESignatureList *signature_list;
GHashTable *index;
};
static gpointer parent_class;
static guint signals[LAST_SIGNAL];
static void
signature_tree_view_refresh_cb (ESignatureList *signature_list,
ESignature *unused,
ESignatureTreeView *tree_view)
{
GtkListStore *store;
GtkTreeModel *model;
GtkTreeIter tree_iter;
EIterator *signature_iter;
ESignature *signature;
GHashTable *index;
GList *list = NULL;
GList *iter;
store = gtk_list_store_new (2, G_TYPE_STRING, E_TYPE_SIGNATURE);
model = GTK_TREE_MODEL (store);
index = tree_view->priv->index;
g_hash_table_remove_all (index);
if (signature_list == NULL)
goto skip;
/* Build a list of ESignatures to display. */
signature_iter = e_list_get_iterator (E_LIST (signature_list));
while (e_iterator_is_valid (signature_iter)) {
/* XXX EIterator misuses const. */
signature = (ESignature *) e_iterator_get (signature_iter);
list = g_list_prepend (list, signature);
e_iterator_next (signature_iter);
}
g_object_unref (signature_iter);
list = g_list_reverse (list);
/* Populate the list store and index. */
for (iter = list; iter != NULL; iter = iter->next) {
GtkTreeRowReference *reference;
GtkTreePath *path;
const gchar *name;
signature = iter->data;
/* Skip autogenerated signatures. */
if (e_signature_get_autogenerated (signature))
continue;
name = e_signature_get_name (signature);
gtk_list_store_append (store, &tree_iter);
gtk_list_store_set (
store, &tree_iter,
COLUMN_STRING, name,
COLUMN_SIGNATURE, signature, -1);
path = gtk_tree_model_get_path (model, &tree_iter);
reference = gtk_tree_row_reference_new (model, path);
g_hash_table_insert (index, signature, reference);
gtk_tree_path_free (path);
}
skip:
/* Restore the previously selected signature. */
signature = e_signature_tree_view_get_selected (tree_view);
if (signature != NULL)
g_object_ref (signature);
gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view), model);
e_signature_tree_view_set_selected (tree_view, signature);
if (signature != NULL)
g_object_unref (signature);
g_signal_emit (tree_view, signals[REFRESHED], 0);
}
static void
signature_tree_view_selection_changed_cb (ESignatureTreeView *tree_view)
{
g_object_notify (G_OBJECT (tree_view), "selected");
}
static GObject *
signature_tree_view_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GObject *object;
GtkTreeView *tree_view;
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
/* Chain up to parent's constructor() method. */
object = G_OBJECT_CLASS (parent_class)->constructor (
type, n_construct_properties, construct_properties);
tree_view = GTK_TREE_VIEW (object);
gtk_tree_view_set_headers_visible (tree_view, FALSE);
column = gtk_tree_view_column_new ();
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_add_attribute (
column, renderer, "text", COLUMN_STRING);
gtk_tree_view_append_column (tree_view, column);
return object;
}
static void
signature_tree_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_SELECTED:
e_signature_tree_view_set_selected (
E_SIGNATURE_TREE_VIEW (object),
g_value_get_object (value));
return;
case PROP_SIGNATURE_LIST:
e_signature_tree_view_set_signature_list (
E_SIGNATURE_TREE_VIEW (object),
g_value_get_object (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
signature_tree_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_SELECTED:
g_value_set_object (
value,
e_signature_tree_view_get_selected (
E_SIGNATURE_TREE_VIEW (object)));
return;
case PROP_SIGNATURE_LIST:
g_value_set_object (
value,
e_signature_tree_view_get_signature_list (
E_SIGNATURE_TREE_VIEW (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
signature_tree_view_dispose (GObject *object)
{
ESignatureTreeViewPrivate *priv;
priv = E_SIGNATURE_TREE_VIEW_GET_PRIVATE (object);
if (priv->signature_list != NULL) {
g_signal_handlers_disconnect_by_func (
priv->signature_list,
signature_tree_view_refresh_cb, object);
g_object_unref (priv->signature_list);
priv->signature_list = NULL;
}
g_hash_table_remove_all (priv->index);
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
signature_tree_view_finalize (GObject *object)
{
ESignatureTreeViewPrivate *priv;
priv = E_SIGNATURE_TREE_VIEW_GET_PRIVATE (object);
g_hash_table_destroy (priv->index);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
signature_tree_view_class_init (ESignatureTreeViewClass *class)
{
GObjectClass *object_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (ESignatureTreeViewPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->constructor = signature_tree_view_constructor;
object_class->set_property = signature_tree_view_set_property;
object_class->get_property = signature_tree_view_get_property;
object_class->dispose = signature_tree_view_dispose;
object_class->finalize = signature_tree_view_finalize;
g_object_class_install_property (
object_class,
PROP_SELECTED,
g_param_spec_object (
"selected",
"Selected Signature",
NULL,
E_TYPE_SIGNATURE,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_SIGNATURE_LIST,
g_param_spec_object (
"signature-list",
"Signature List",
NULL,
E_TYPE_SIGNATURE_LIST,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
signals[REFRESHED] = g_signal_new (
"refreshed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
0, NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
signature_tree_view_init (ESignatureTreeView *tree_view)
{
GHashTable *index;
GtkTreeSelection *selection;
/* Reverse-lookup index */
index = g_hash_table_new_full (
g_direct_hash, g_direct_equal,
(GDestroyNotify) g_object_unref,
(GDestroyNotify) gtk_tree_row_reference_free);
tree_view->priv = E_SIGNATURE_TREE_VIEW_GET_PRIVATE (tree_view);
tree_view->priv->index = index;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
g_signal_connect_swapped (
selection, "changed",
G_CALLBACK (signature_tree_view_selection_changed_cb),
tree_view);
}
GType
e_signature_tree_view_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static const GTypeInfo type_info = {
sizeof (ESignatureTreeViewClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) signature_tree_view_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (ESignatureTreeView),
0, /* n_preallocs */
(GInstanceInitFunc) signature_tree_view_init,
NULL /* value_table */
};
type = g_type_register_static (
GTK_TYPE_TREE_VIEW, "ESignatureTreeView",
&type_info, 0);
}
return type;
}
GtkWidget *
e_signature_tree_view_new (void)
{
return g_object_new (E_TYPE_SIGNATURE_TREE_VIEW, NULL);
}
ESignatureList *
e_signature_tree_view_get_signature_list (ESignatureTreeView *tree_view)
{
g_return_val_if_fail (E_IS_SIGNATURE_TREE_VIEW (tree_view), NULL);
return tree_view->priv->signature_list;
}
void
e_signature_tree_view_set_signature_list (ESignatureTreeView *tree_view,
ESignatureList *signature_list)
{
ESignatureTreeViewPrivate *priv;
g_return_if_fail (E_IS_SIGNATURE_TREE_VIEW (tree_view));
if (signature_list != NULL)
g_return_if_fail (E_IS_SIGNATURE_LIST (signature_list));
priv = E_SIGNATURE_TREE_VIEW_GET_PRIVATE (tree_view);
if (priv->signature_list != NULL) {
g_signal_handlers_disconnect_by_func (
priv->signature_list,
signature_tree_view_refresh_cb, tree_view);
g_object_unref (priv->signature_list);
priv->signature_list = NULL;
}
if (signature_list != NULL) {
priv->signature_list = g_object_ref (signature_list);
/* Listen for changes to the signature list. */
g_signal_connect (
priv->signature_list, "signature-added",
G_CALLBACK (signature_tree_view_refresh_cb),
tree_view);
g_signal_connect (
priv->signature_list, "signature-changed",
G_CALLBACK (signature_tree_view_refresh_cb),
tree_view);
g_signal_connect (
priv->signature_list, "signature-removed",
G_CALLBACK (signature_tree_view_refresh_cb),
tree_view);
}
signature_tree_view_refresh_cb (signature_list, NULL, tree_view);
g_object_notify (G_OBJECT (tree_view), "signature-list");
}
ESignature *
e_signature_tree_view_get_selected (ESignatureTreeView *tree_view)
{
ESignature *signature;
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
g_return_val_if_fail (E_IS_SIGNATURE_TREE_VIEW (tree_view), NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
if (!gtk_tree_selection_get_selected (selection, &model, &iter))
return NULL;
gtk_tree_model_get (model, &iter, COLUMN_SIGNATURE, &signature, -1);
return signature;
}
gboolean
e_signature_tree_view_set_selected (ESignatureTreeView *tree_view,
ESignature *signature)
{
GtkTreeRowReference *reference;
GtkTreeSelection *selection;
GtkTreePath *path;
g_return_val_if_fail (E_IS_SIGNATURE_TREE_VIEW (tree_view), FALSE);
if (signature != NULL)
g_return_val_if_fail (E_IS_SIGNATURE (signature), FALSE);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
/* NULL means clear the selection. */
if (signature == NULL) {
gtk_tree_selection_unselect_all (selection);
return TRUE;
}
/* Lookup the tree row reference for the signature. */
reference = g_hash_table_lookup (tree_view->priv->index, signature);
if (reference == NULL)
return FALSE;
/* Select the referenced path. */
path = gtk_tree_row_reference_get_path (reference);
gtk_tree_selection_select_path (selection, path);
gtk_tree_path_free (path);
g_object_notify (G_OBJECT (tree_view), "selected");
return TRUE;
}
'>-3/+3
| * | - Update to 1.1.4 | amdmi3 | 2015-06-02 | 2 | -3/+3 |
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