gdk 0.0.3

// This file is part of rgtk.
//
// rgtk 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 3 of the License, or
// (at your option) any later version.
//
// rgtk 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 rgtk.  If not, see <http://www.gnu.org/licenses/>.

#![macro_use]

macro_rules! impl_GObjectFunctions(
    ($gtk_struct:ident, $ffi_type:ident) => (
        impl $gtk_struct {
            pub fn get_pointer(&self) -> *mut ffi::$ffi_type {
                self.pointer
            }

            pub fn wrap_pointer(pointer: *mut ffi::$ffi_type) -> $gtk_struct {
                $gtk_struct {
                    pointer: pointer
                }
            }
        }
    )
);

macro_rules! impl_drop(
    ($gtk_struct:ident) => ( impl_drop!($gtk_struct, GTK_WIDGET); );
    ($gtk_struct:ident, $cast_func:ident) => (
        impl Drop for $gtk_struct {
            fn drop(&mut self) {
                unsafe {
                    ::glib::ffi::g_object_unref(self.pointer as *mut ::glib::ffi::C_GObject);
                }
            }
        }

        impl Clone for $gtk_struct {
            fn clone(&self) -> $gtk_struct {
                let pointer = unsafe {
                    ::glib::ffi::g_object_ref(self.pointer as *mut ::glib::ffi::C_GObject)
                };

                $gtk_struct {
                    pointer: ::gtk::cast::$cast_func(pointer)
                }
            }
        }
    );
);