qulogic/libgnt

check for python3-embed before requiring python3

2020-04-22, Gary Kramlich
f00c0fdfdc66
check for python3-embed before requiring python3
/*
* GNT - The GLib Ncurses Toolkit
*
* GNT is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This library 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "gntinternal.h"
#include "gntmenu.h"
#include "gntmenuitem.h"
typedef struct
{
/* These will be used to determine the position of the submenu */
gint x;
gint y;
gchar trigger;
gchar *id;
gchar *text;
/* A GntMenuItem can have a callback associated with it.
* The callback will be activated whenever the user selects it and
* presses enter (or clicks). However, if the GntMenuItem has some
* child, then the callback and callbackdata will be ignored. */
gpointer callbackdata;
GntMenuItemCallback callback;
GntMenu *submenu;
gboolean visible;
} GntMenuItemPrivate;
enum
{
SIG_ACTIVATE,
SIGS
};
static guint signals[SIGS] = { 0 };
G_DEFINE_TYPE_WITH_PRIVATE(GntMenuItem, gnt_menuitem, G_TYPE_OBJECT)
/******************************************************************************
* GObject Implementation
*****************************************************************************/
static void
gnt_menuitem_destroy(GObject *obj)
{
GntMenuItem *item = GNT_MENU_ITEM(obj);
GntMenuItemPrivate *priv = gnt_menuitem_get_instance_private(item);
g_free(priv->text);
priv->text = NULL;
if (priv->submenu) {
gnt_widget_destroy(GNT_WIDGET(priv->submenu));
}
g_free(priv->id);
G_OBJECT_CLASS(gnt_menuitem_parent_class)->dispose(obj);
}
static void
gnt_menuitem_class_init(GntMenuItemClass *klass)
{
GObjectClass *obj_class = G_OBJECT_CLASS(klass);
obj_class->dispose = gnt_menuitem_destroy;
signals[SIG_ACTIVATE] =
g_signal_new("activate",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
static void
gnt_menuitem_init(GntMenuItem *item)
{
GntMenuItemPrivate *priv = gnt_menuitem_get_instance_private(item);
priv->visible = TRUE;
}
/******************************************************************************
* GntMenuItem API
*****************************************************************************/
GntMenuItem *
gnt_menuitem_new(const gchar *text)
{
GObject *item = g_object_new(GNT_TYPE_MENU_ITEM, NULL);
GntMenuItem *menuitem = GNT_MENU_ITEM(item);
GntMenuItemPrivate *priv = gnt_menuitem_get_instance_private(menuitem);
priv->text = g_strdup(text);
return menuitem;
}
/* Internal. */
void
gnt_menuitem_set_position(GntMenuItem *item, gint x, gint y)
{
GntMenuItemPrivate *priv = NULL;
g_return_if_fail(GNT_IS_MENU_ITEM(item));
priv = gnt_menuitem_get_instance_private(item);
priv->x = x;
priv->y = y;
}
/* Internal. */
void
gnt_menuitem_get_position(GntMenuItem *item, gint *x, gint *y)
{
GntMenuItemPrivate *priv = NULL;
g_return_if_fail(GNT_IS_MENU_ITEM(item));
priv = gnt_menuitem_get_instance_private(item);
if (x) {
*x = priv->x;
}
if (y) {
*y = priv->y;
}
}
/* Internal. */
gboolean
gnt_menuitem_has_callback(GntMenuItem *item)
{
GntMenuItemPrivate *priv = NULL;
g_return_val_if_fail(GNT_IS_MENU_ITEM(item), FALSE);
priv = gnt_menuitem_get_instance_private(item);
return priv->callback != NULL;
}
void gnt_menuitem_set_callback(GntMenuItem *item, GntMenuItemCallback callback, gpointer data)
{
GntMenuItemPrivate *priv = NULL;
g_return_if_fail(GNT_IS_MENU_ITEM(item));
priv = gnt_menuitem_get_instance_private(item);
priv->callback = callback;
priv->callbackdata = data;
}
void gnt_menuitem_set_submenu(GntMenuItem *item, GntMenu *menu)
{
GntMenuItemPrivate *priv = NULL;
g_return_if_fail(GNT_IS_MENU_ITEM(item));
priv = gnt_menuitem_get_instance_private(item);
if (priv->submenu) {
gnt_widget_destroy(GNT_WIDGET(priv->submenu));
}
priv->submenu = menu;
}
GntMenu *gnt_menuitem_get_submenu(GntMenuItem *item)
{
GntMenuItemPrivate *priv = NULL;
g_return_val_if_fail(GNT_IS_MENU_ITEM(item), NULL);
priv = gnt_menuitem_get_instance_private(item);
return priv->submenu;
}
void
gnt_menuitem_set_trigger(GntMenuItem *item, gchar trigger)
{
GntMenuItemPrivate *priv = NULL;
g_return_if_fail(GNT_IS_MENU_ITEM(item));
priv = gnt_menuitem_get_instance_private(item);
priv->trigger = trigger;
}
gchar
gnt_menuitem_get_trigger(GntMenuItem *item)
{
GntMenuItemPrivate *priv = NULL;
g_return_val_if_fail(GNT_IS_MENU_ITEM(item), 0);
priv = gnt_menuitem_get_instance_private(item);
return priv->trigger;
}
void
gnt_menuitem_set_id(GntMenuItem *item, const gchar *id)
{
GntMenuItemPrivate *priv = NULL;
g_return_if_fail(GNT_IS_MENU_ITEM(item));
priv = gnt_menuitem_get_instance_private(item);
g_free(priv->id);
priv->id = g_strdup(id);
}
const gchar *
gnt_menuitem_get_id(GntMenuItem *item)
{
GntMenuItemPrivate *priv = NULL;
g_return_val_if_fail(GNT_IS_MENU_ITEM(item), NULL);
priv = gnt_menuitem_get_instance_private(item);
return priv->id;
}
gboolean gnt_menuitem_activate(GntMenuItem *item)
{
GntMenuItemPrivate *priv = NULL;
g_return_val_if_fail(GNT_IS_MENU_ITEM(item), FALSE);
priv = gnt_menuitem_get_instance_private(item);
g_signal_emit(item, signals[SIG_ACTIVATE], 0);
if (priv->callback) {
priv->callback(item, priv->callbackdata);
return TRUE;
}
return FALSE;
}
void
gnt_menuitem_set_visible(GntMenuItem *item, gboolean visible)
{
GntMenuItemPrivate *priv = NULL;
g_return_if_fail(GNT_IS_MENU_ITEM(item));
priv = gnt_menuitem_get_instance_private(item);
priv->visible = visible;
}
gboolean
gnt_menuitem_is_visible(GntMenuItem *item)
{
GntMenuItemPrivate *priv = NULL;
g_return_val_if_fail(GNT_IS_MENU_ITEM(item), FALSE);
priv = gnt_menuitem_get_instance_private(item);
return priv->visible;
}
void
gnt_menuitem_set_text(GntMenuItem *item, const gchar *text)
{
GntMenuItemPrivate *priv = NULL;
g_return_if_fail(GNT_IS_MENU_ITEM(item));
priv = gnt_menuitem_get_instance_private(item);
g_free(priv->text);
priv->text = g_strdup(text);
}
/* Internal. */
const gchar *
gnt_menuitem_get_text(GntMenuItem *item)
{
GntMenuItemPrivate *priv = NULL;
g_return_val_if_fail(GNT_IS_MENU_ITEM(item), NULL);
priv = gnt_menuitem_get_instance_private(item);
return priv->text;
}