gplugin/gplugin

Make sure gtk4 was found before trying to build vala bindings against it
default tip
9 days ago, Gary Kramlich
7027845d098d
Make sure gtk4 was found before trying to build vala bindings against it

This error only showed up when gtk4 was enabled but not found.

Testing Done:
Built on haiku that doesn't have gtk without setting `-Dgtk4=false`.
Built on debian testing normally.

Reviewed at https://reviews.imfreedom.org/r/3069/
/*
* Copyright (C) 2011-2020 Gary Kramlich <grim@reaperworld.com>
*
* This library 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) any later version.
*
* This library 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 this library; if not, see <https://www.gnu.org/licenses/>.
*/
#include <glib.h>
#include <glib-object.h>
#include <glib/gi18n-lib.h>
#include <gplugin/gplugin-core.h>
#include <gplugin/gplugin-manager.h>
#include <gplugin/gplugin-options.h>
/******************************************************************************
* Options
*****************************************************************************/
static gboolean add_default_paths = TRUE, register_native_loader = TRUE;
static gchar **paths = NULL;
static gboolean
gplugin_options_no_default_paths_cb(
G_GNUC_UNUSED const gchar *n,
G_GNUC_UNUSED const gchar *v,
G_GNUC_UNUSED gpointer d,
G_GNUC_UNUSED GError **e)
{
add_default_paths = FALSE;
return TRUE;
}
static gboolean
gplugin_options_no_native_loader_cb(
G_GNUC_UNUSED const gchar *n,
G_GNUC_UNUSED const gchar *v,
G_GNUC_UNUSED gpointer d,
G_GNUC_UNUSED GError **e)
{
register_native_loader = FALSE;
return TRUE;
}
/* clang-format off */
static GOptionEntry entries[] = {
{
"no-default-paths", 'D', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
gplugin_options_no_default_paths_cb,
N_("Do not search the default plugin paths"),
NULL,
}, {
"no-native-loader", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
gplugin_options_no_native_loader_cb,
N_("Do not register the native plugin loaders"),
NULL,
}, {
"path", 'p', 0, G_OPTION_ARG_STRING_ARRAY,
&paths, N_("Additional path to look for plugins"),
NULL,
}, {
NULL, 0, 0, 0, NULL, NULL, NULL
},
};
/* clang-format on */
static gboolean
gplugin_options_post_parse_cb(
G_GNUC_UNUSED GOptionContext *ctx,
G_GNUC_UNUSED GOptionGroup *group,
G_GNUC_UNUSED gpointer data,
G_GNUC_UNUSED GError **error)
{
GPluginManager *manager = NULL;
GPluginCoreFlags flags = GPLUGIN_CORE_FLAGS_NONE;
if(!register_native_loader) {
flags |= GPLUGIN_CORE_FLAGS_DISABLE_NATIVE_LOADER;
}
gplugin_init(flags);
manager = gplugin_manager_get_default();
if(add_default_paths) {
gplugin_manager_add_default_paths(manager);
}
if(paths != NULL) {
guint i = 0;
for(i = 0; paths[i] != NULL; i++) {
gplugin_manager_prepend_path(manager, paths[i]);
}
g_clear_pointer(&paths, g_strfreev);
}
return TRUE;
}
/******************************************************************************
* API
*****************************************************************************/
/**
* gplugin_get_option_group:
*
* Returns an option group for the commandline arguments recognized by GPlugin.
*
* You should add this option group to your [struct@GLib.OptionContext] with
* [method@GLib.OptionContext.add_group], if you are using
* [method@GLib.OptionContext.parse] to parse your commandline arguments.
*
* If [func@GPlugin.init] has yet to be called before
* [method@GLib.OptionContext.parse] is called, [func@GPlugin.init] will be
* called automatically.
*
* Returns: (transfer full): An option group for the commandline arguments
* recognized by GPlugin.
*/
GOptionGroup *
gplugin_get_option_group(void)
{
GOptionGroup *group = NULL;
group = g_option_group_new(
"gplugin",
_("GPlugin Options"),
_("Show GPlugin Options"),
NULL,
NULL);
g_option_group_set_parse_hooks(group, NULL, gplugin_options_post_parse_cb);
g_option_group_add_entries(group, entries);
g_option_group_set_translation_domain(group, GETTEXT_PACKAGE);
return group;
}