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hedera/vn/vn-form.c

265 lines
6.2 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-form.h"
#include "vn-set.h"
G_DEFINE_ABSTRACT_TYPE (VnForm, vn_form, GTK_TYPE_BIN);
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Public
/**
* vn_form_open: (virtual open):
* @obj: the #VnForm
*
* Activates the form.
**/
void vn_form_open (VnForm * obj)
{
const gchar * dir;
gchar * file;
GError * err = NULL;
obj->builder = gtk_builder_new ();
gtk_builder_set_translation_domain (obj->builder, vn_mod_get_text_domain (obj->mod));
dir = vn_mod_get_data_dir (obj->mod);
file = g_strdup_printf ("%s/%s.glade", dir, obj->name);
if (gtk_builder_add_from_file (obj->builder, file, &err))
{
gpointer main_widget = NULL;
const GList * m;
VnSet * models = VN_SET (gtk_builder_get_object (obj->builder, "models"));
if (models)
for (m = vn_set_get_objects (models); m; m = m->next)
db_model_set_conn (m->data, obj->conn);
gtk_builder_connect_signals (obj->builder, obj);
VN_FORM_GET_CLASS (obj)->open (obj);
main_widget = vn_form_get (obj, "main");
if (main_widget && GTK_IS_WIDGET (main_widget))
gtk_container_add (GTK_CONTAINER (obj), main_widget);
else
g_warning ("VnForm: form UI files must have a toplevel widget "
"with id 'main', but %s does not.", file);
gtk_widget_show_all (GTK_WIDGET (obj));
// Loading menu
g_free (file);
file = g_strdup_printf ("%s/%s-menu.xml", dir, obj->name);
if (gtk_builder_add_from_file (obj->builder, file, &err))
{
obj->menu = vn_form_get (obj, "menu");
}
else
{
if (err && err->code != G_FILE_ERROR_NOENT)
g_warning ("VnForm: %s", err->message);
g_error_free (err);
}
}
else
{
g_warning ("VnForm: %s", err->message);
g_error_free (err);
}
g_free (file);
}
/**
* vn_form_get:
* @obj: the #VnForm
* @name: the object name
*
* Gets an object from the form builder using its name.
*
* Return value: (transfer none): the object, or %NULL if there is no object
* with that name
**/
gpointer vn_form_get (VnForm * obj, const gchar * name)
{
return (gpointer) gtk_builder_get_object (obj->builder, name);
}
/**
* vn_form_get_name:
* @obj: the #VnForm
*
* Gets the name of the form.
**/
const gchar * vn_form_get_name (VnForm * obj)
{
g_return_val_if_fail (VN_IS_FORM (obj), NULL);
return obj->name;
}
/**
* vn_form_get_actions: (virtual get_actions):
* @obj: the #VnForm
* @size:(out): the return location for the size of the array
*
* Returns the actions implemented by @obj.
*
* Return value:(transfer none) (array length=size): a #GActionEntry array
**/
const GActionEntry * vn_form_get_actions (VnForm * obj, gint * size)
{
g_return_val_if_fail (VN_IS_FORM (obj), NULL);
if (!VN_FORM_GET_CLASS (obj)->get_actions)
{
*size = 0;
return NULL;
}
else
return VN_FORM_GET_CLASS (obj)->get_actions (obj, size);
}
/**
* vn_form_get_menu_model:
* @obj: the #VnForm
*
* Returns the #GMenuModel of the form.
*
* Return value: (transfer none): a #GMenuModel or #NULL
**/
GMenuModel * vn_form_get_menu_model (VnForm * obj)
{
g_return_val_if_fail (VN_IS_FORM (obj), NULL);
return obj->menu;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Properties
enum
{
PROP_NAME = 1
,PROP_GUI
,PROP_CONN
,PROP_MODULE
};
static void vn_form_set_property (VnForm * obj, guint id,
const GValue * value, GParamSpec * pspec)
{
switch (id)
{
case PROP_NAME:
obj->name = g_value_dup_string (value);
break;
case PROP_GUI:
obj->gui = g_value_dup_object (value);
obj->conn = vn_gui_get_conn (obj->gui);
break;
case PROP_MODULE:
obj->mod = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, id, pspec);
}
}
static void vn_form_get_property (VnForm * obj, guint id,
GValue * value, GParamSpec * pspec)
{
switch (id)
{
case PROP_NAME:
g_value_set_string (value, obj->name);
break;
case PROP_GUI:
g_value_set_object (value, obj->gui);
break;
case PROP_CONN:
g_value_set_object (value, obj->conn);
break;
case PROP_MODULE:
g_value_set_object (value, obj->mod);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, id, pspec);
}
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Class
static void vn_form_init (VnForm * obj)
{
obj->name = NULL;
obj->gui = NULL;
obj->conn = NULL;
obj->builder = NULL;
obj->mod = NULL;
obj->menu = NULL;
}
static void vn_form_finalize (VnForm * obj)
{
g_free (obj->name);
g_clear_object (&obj->gui);
g_clear_object (&obj->mod);
g_clear_object (&obj->builder);
G_OBJECT_CLASS (vn_form_parent_class)->finalize (G_OBJECT (obj));
}
static void vn_form_class_init (VnFormClass * k)
{
GObjectClass * klass = G_OBJECT_CLASS (k);
klass->finalize = (GObjectFinalizeFunc) vn_form_finalize;
klass->set_property = (GObjectSetPropertyFunc) vn_form_set_property;
klass->get_property = (GObjectGetPropertyFunc) vn_form_get_property;
g_object_class_install_property (klass, PROP_NAME,
g_param_spec_string ("name"
,_("Name")
,_("The form name")
,NULL
,G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE
));
g_object_class_install_property (klass, PROP_GUI,
g_param_spec_object ("gui"
,_("Gui")
,_("The Gui object")
,VN_TYPE_GUI
,G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE
));
g_object_class_install_property (klass, PROP_CONN,
g_param_spec_object ("conn"
,_("Connection")
,_("The connection used by the module")
,DB_TYPE_CONN
,G_PARAM_READABLE
));
g_object_class_install_property (klass, PROP_MODULE,
g_param_spec_object ("module"
,_("Module")
,_("The module")
,VN_TYPE_MOD
,G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE
));
}