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hedera/vn/column/vn-column-check.c

97 lines
3.0 KiB
C

/*
* Copyright (C) 2012 - Juan Ferrer Toribio
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "vn-column-check.h"
G_DEFINE_TYPE (VnColumnCheck, vn_column_check, VN_TYPE_COLUMN);
VnColumn * vn_column_check_new ()
{
return g_object_new (VN_TYPE_COLUMN_CHECK, NULL);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
static void vn_column_check_cb_toggled (GtkCellRendererToggle * cell,
const gchar * path, VnColumn * obj)
{
gint col;
DbIter iter;
DbModel * model;
GValue new_value = G_VALUE_INIT;
const GValue * old_value;
col = vn_column_get_column_index (obj);
model = vn_column_get_model (obj);
vn_column_get_iter (obj, path, &iter);
old_value = db_model_get_value (model, &iter, col, NULL);
g_value_init (&new_value, G_TYPE_BOOLEAN);
g_value_set_boolean (&new_value,
gvn_value_is_null (old_value) || !g_value_get_boolean (old_value));
db_model_set_value (model, &iter, col, &new_value, NULL);
}
static void vn_column_check_set_editable (VnColumn * obj, gboolean editable)
{
if (editable)
g_signal_connect (obj->cell, "toggled",
G_CALLBACK (vn_column_check_cb_toggled), obj);
else
g_signal_handlers_disconnect_by_func (obj->cell,
vn_column_check_cb_toggled, obj);
}
static void vn_column_check_set_value (VnColumnCheck * obj, GtkTreeModel * model,
GtkTreeIter * iter, GtkCellRendererToggle * cell, const GValue * value)
{
GValue new_value = G_VALUE_INIT;
g_value_init (&new_value, G_TYPE_BOOLEAN);
if (!gvn_value_is_null (value))
g_value_transform (value, &new_value);
else
g_value_set_boolean (&new_value, FALSE);
gtk_cell_renderer_toggle_set_active (cell,
g_value_get_boolean (&new_value));
g_value_unset (&new_value);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Class
static void vn_column_check_init (VnColumnCheck * obj)
{
GtkCellRenderer * cell = gtk_cell_renderer_toggle_new ();
VN_COLUMN_GET_CLASS (obj)->set_renderer (VN_COLUMN (obj), cell);
}
static void vn_column_check_finalize (VnColumnCheck * obj)
{
G_OBJECT_CLASS (vn_column_check_parent_class)->finalize (G_OBJECT (obj));
}
static void vn_column_check_class_init (VnColumnCheckClass * klass)
{
GObjectClass * k = G_OBJECT_CLASS (klass);
k->finalize = (GObjectFinalizeFunc) vn_column_check_finalize;
VN_COLUMN_CLASS (klass)->set_value = (VnColumnSetValueFunc) vn_column_check_set_value;
VN_COLUMN_CLASS (klass)->set_editable = (VnColumnSetEditableFunc) vn_column_check_set_editable;
}