/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/*
 *  Copyright (C) 2011  Ruby-GNOME2 Project Team
 *  Copyright (C) 2002-2004 Ruby-GNOME2 Project Team
 *  Copyright (C) 1998-2000 Yukihiro Matsumoto,
 *                          Daisuke Kanda,
 *                          Hiroshi Igarashi
 *
 *  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 2.1 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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *  MA  02110-1301  USA
 */

#include "global.h"

#define RG_TARGET_NAMESPACE cButton
#define _SELF(self) (GTK_BUTTON(RVAL2GOBJ(self)))

static VALUE
rg_initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE label, use_underline;
    GtkWidget *widget = NULL;

    if (rb_scan_args(argc, argv, "02", &label, &use_underline) > 0) {
        if (TYPE(label) == T_STRING){
            if (NIL_P(use_underline) || RVAL2CBOOL(use_underline)){
                widget = gtk_button_new_with_mnemonic(RVAL2CSTR(label));
            } else {
                widget = gtk_button_new_with_label(RVAL2CSTR(label));
            }
        } else if (TYPE(label) == T_SYMBOL){
            widget = gtk_button_new_from_stock(rb_id2name(SYM2ID(label)));
        } else {
            rb_raise(rb_eArgError, "invalid argument %s (expect Symbol(Gtk::Stock constants) or String)", 
                     rb_class2name(CLASS_OF(label)));
        }
    } else {
        widget = gtk_button_new();
    }

    RBGTK_INITIALIZE(self, widget); 
    return Qnil;
}

static VALUE
rg_pressed(VALUE self)
{
    gtk_button_pressed(GTK_BUTTON(RVAL2GOBJ(self)));
    return self;
}

static VALUE
rg_released(VALUE self)
{
    gtk_button_released(_SELF(self));
    return self;
}

static VALUE
rg_enter(VALUE self)
{
    gtk_button_enter(_SELF(self));
    return self;
}

static VALUE
rg_leave(VALUE self)
{
    gtk_button_leave(_SELF(self));
    return self;
}

#if GTK_CHECK_VERSION(2,4,0)
static VALUE
rg_set_alignment(VALUE self, VALUE xalign, VALUE yalign)
{
    gtk_button_set_alignment(_SELF(self), NUM2DBL(xalign), NUM2DBL(yalign));
    return self;
}

static VALUE
rg_alignment(VALUE self)
{
    gfloat xalign, yalign;
    gtk_button_get_alignment(_SELF(self), &xalign, &yalign);

    return rb_assoc_new(rb_float_new(xalign), rb_float_new(yalign));
}
#endif

void 
Init_gtk_button(VALUE mGtk)
{
    VALUE RG_TARGET_NAMESPACE = G_DEF_CLASS(GTK_TYPE_BUTTON, "Button", mGtk);

    RG_DEF_METHOD(initialize, -1);
    RG_DEF_METHOD(pressed, 0);
    RG_DEF_METHOD(released, 0);
    RG_DEF_METHOD(enter, 0);
    RG_DEF_METHOD(leave, 0);

#if GTK_CHECK_VERSION(2,4,0)
    RG_DEF_METHOD(set_alignment, 2);
    G_DEF_SETTER(RG_TARGET_NAMESPACE, "alignment");
    RG_DEF_METHOD(alignment, 0);
#endif
}