action.c
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/*
* "Software pw3270, desenvolvido com base nos códigos fontes do WC3270 e X3270
* (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a
* aplicativos mainframe. Registro no INPI sob o nome G3270.
*
* Copyright (C) <2008> <Banco do Brasil S.A.>
*
* Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob
* os termos da GPL v.2 - Licença Pública Geral GNU, conforme publicado pela
* Free Software Foundation.
*
* Este programa é distribuído na expectativa de ser útil, mas SEM QUALQUER
* GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou de ADEQUAÇÃO
* A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para
* obter mais detalhes.
*
* Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este
* programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin
* St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Este programa está nomeado como - e possui - linhas de código.
*
* Contatos:
*
* perry.werneck@gmail.com (Alexandre Perry de Souza Werneck)
* erico.mendonca@gmail.com (Erico Mascarenhas Mendonça)
*
*/
/**
* @brief Implement GAction "wrapper" for lib3270's actions.
*
*/
#include "../private.h"
#include <v3270.h>
#define PW3270_TYPE_LIB3270_ACTION (Lib3270Action_get_type())
#define PW3270_LIB3270_ACTION(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), PW3270_TYPE_LIB3270_ACTION, Lib3270Action))
#define PW3270_IS_LIB3270_ACTION(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), PW3270_TYPE_LIB3270_ACTION))
typedef struct _Lib3270ActionClass {
pw3270ActionClass parent_class;
} Lib3270ActionClass;
typedef struct _Lib3270Action {
pw3270Action parent;
const LIB3270_ACTION * definition;
const void * listener;
} Lib3270Action;
static void Lib3270Action_class_init(Lib3270ActionClass *klass);
static void Lib3270Action_init(Lib3270Action *action);
static void change_widget(GAction *object, GtkWidget *from, GtkWidget *to);
G_DEFINE_TYPE(Lib3270Action, Lib3270Action, PW3270_TYPE_ACTION);
static gboolean get_enabled(GAction *action, GtkWidget *terminal) {
if(terminal)
return PW3270_LIB3270_ACTION(action)->definition->activatable(v3270_get_session(terminal)) > 0 ? TRUE : FALSE;
return FALSE;
}
static void activate(GAction *action, GVariant G_GNUC_UNUSED(*parameter), GtkWidget *terminal) {
PW3270_LIB3270_ACTION(action)->definition->activate(v3270_get_session(terminal));
}
static const gchar * get_icon_name(GAction *action) {
return PW3270_LIB3270_ACTION(action)->definition->icon;
}
static const gchar * get_label(GAction *action) {
return PW3270_LIB3270_ACTION(action)->definition->label;
}
static const gchar * get_tooltip(GAction *action) {
return PW3270_LIB3270_ACTION(action)->definition->summary;
}
static void dispose(GObject *object) {
Lib3270Action *action = PW3270_LIB3270_ACTION(object);
if(action->listener) {
lib3270_unregister_action_group_listener(pw3270_action_get_session(G_ACTION(object)),action->definition->group,action->listener);
action->listener = NULL;
}
G_OBJECT_CLASS(Lib3270Action_parent_class)->dispose(object);
}
void Lib3270Action_class_init(Lib3270ActionClass *klass) {
pw3270ActionClass * action = PW3270_ACTION_CLASS(klass);
action->activate = activate;
action->get_enabled = get_enabled;
action->change_widget = change_widget;
action->get_icon_name = get_icon_name;
action->get_label = get_label;
action->get_tooltip = get_tooltip;
G_OBJECT_CLASS(klass)->dispose = dispose;
}
void Lib3270Action_init(Lib3270Action G_GNUC_UNUSED(*action)) {
}
GAction * pw3270_action_new_from_lib3270(const LIB3270_ACTION * definition) {
Lib3270Action * action = (Lib3270Action *) g_object_new(PW3270_TYPE_LIB3270_ACTION, NULL);
// Setup hooks.
action->definition = definition;
action->listener = NULL;
// Setup the default name.
pw3270Action * abstract = PW3270_ACTION(action);
if(abstract->name)
g_free(abstract->name);
abstract->name = g_strconcat("win.",definition->name,NULL);
return G_ACTION(action);
}
static void event_listener(H3270 G_GNUC_UNUSED(*hSession), void *object) {
pw3270_action_notify_enabled(G_ACTION(object));
}
void change_widget(GAction *object, GtkWidget *from, GtkWidget *to) {
// Remove old listener
Lib3270Action * action = PW3270_LIB3270_ACTION(object);
if(action->listener) {
lib3270_unregister_action_group_listener(pw3270_action_get_session(object),action->definition->group,action->listener);
action->listener = NULL;
}
// Change widget
PW3270_ACTION_CLASS(Lib3270Action_parent_class)->change_widget(object,from,to);
// Setup new listener
if(action->definition->group && to) {
action->listener = lib3270_register_action_group_listener(pw3270_action_get_session(object),action->definition->group,event_listener,object);
}
// Does the "enabled" state has changed? If yes notify customers.
gboolean enabled = get_enabled(object,to);
if(get_enabled(object,from) != enabled)
pw3270_action_notify_enabled(object);
}