vmap/libs/gtkutil/button.cpp

/*
   Copyright (C) 2001-2006, William Joseph.
   All Rights Reserved.

   This file is part of GtkRadiant.

   GtkRadiant 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.

   GtkRadiant 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 GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "button.h"

#include <gtk/gtk.h>

#include "stream/textstream.h"
#include "stream/stringstream.h"
#include "generic/callback.h"

#include "image.h"
#include "pointer.h"

void clicked_closure_callback(ui::Widget widget, gpointer data)
{
    (*reinterpret_cast<Callback<void()> *>( data ))();
}

void button_connect_callback(ui::Button button, const Callback<void()> &callback)
{
#if 1
    g_signal_connect_swapped(G_OBJECT(button), "clicked", G_CALLBACK(callback.getThunk()), callback.getEnvironment());
#else
    g_signal_connect_closure( G_OBJECT( button ), "clicked", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), FALSE );
#endif
}

void button_connect_callback(ui::ToolButton button, const Callback<void()> &callback)
{
#if 1
    g_signal_connect_swapped(G_OBJECT(button), "clicked", G_CALLBACK(callback.getThunk()), callback.getEnvironment());
#else
    g_signal_connect_closure( G_OBJECT( button ), "clicked", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), FALSE );
#endif
}

guint toggle_button_connect_callback(ui::ToggleButton button, const Callback<void()> &callback)
{
#if 1
    guint handler = g_signal_connect_swapped(G_OBJECT(button), "toggled", G_CALLBACK(callback.getThunk()),
                                             callback.getEnvironment());
#else
    guint handler = g_signal_connect_closure( G_OBJECT( button ), "toggled", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), TRUE );
#endif
    g_object_set_data(G_OBJECT(button), "handler", gint_to_pointer(handler));
    return handler;
}

guint toggle_button_connect_callback(ui::ToggleToolButton button, const Callback<void()> &callback)
{
#if 1
    guint handler = g_signal_connect_swapped(G_OBJECT(button), "toggled", G_CALLBACK(callback.getThunk()),
                                             callback.getEnvironment());
#else
    guint handler = g_signal_connect_closure( G_OBJECT( button ), "toggled", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), TRUE );
#endif
    g_object_set_data(G_OBJECT(button), "handler", gint_to_pointer(handler));
    return handler;
}

void button_set_icon(ui::Button button, const char *icon)
{
    ui::Image image = ui::Image(new_local_image(icon));
    image.show();
    button.add(image);
}

void toggle_button_set_active_no_signal(ui::ToggleButton button, gboolean active)
{
    //globalOutputStream() << "set active: " << active << "\n";
    guint handler_id = gpointer_to_int(g_object_get_data(G_OBJECT(button), "handler"));
    //guint signal_id = g_signal_lookup("toggled", G_OBJECT_TYPE (button));
    //globalOutputStream() << "signal_id: " << signal_id << "\n";
    //guint found = g_signal_handler_find(G_OBJECT(button), G_SIGNAL_MATCH_ID, signal_id, 0, 0, 0, 0);
    //globalOutputStream() << " handler found: " << found << "\n";
    g_signal_handler_block(G_OBJECT(button), handler_id);
    gtk_toggle_button_set_active(button, active);
    g_signal_handler_unblock(G_OBJECT(button), handler_id);
}

void toggle_button_set_active_no_signal(ui::ToggleToolButton button, gboolean active)
{
    guint handler_id = gpointer_to_int(g_object_get_data(G_OBJECT(button), "handler"));
    g_signal_handler_block(G_OBJECT(button), handler_id);
    gtk_toggle_tool_button_set_active(button, active);
    g_signal_handler_unblock(G_OBJECT(button), handler_id);
}


void radio_button_print_state(ui::RadioButton button)
{
    globalOutputStream() << "toggle button: ";
    for (GSList *radio = gtk_radio_button_get_group(button); radio != 0; radio = g_slist_next(radio)) {
        globalOutputStream() << gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(radio->data));
    }
    globalOutputStream() << "\n";
}

ui::ToggleButton radio_button_get_nth(ui::RadioButton radio, int index)
{
    GSList *group = gtk_radio_button_get_group(radio);
    return ui::ToggleButton::from(g_slist_nth_data(group, g_slist_length(group) - index - 1));
}

void radio_button_set_active(ui::RadioButton radio, int index)
{
    //radio_button_print_state(radio);
    gtk_toggle_button_set_active(radio_button_get_nth(radio, index), TRUE);
    //radio_button_print_state(radio);
}

void radio_button_set_active_no_signal(ui::RadioButton radio, int index)
{
    {
        for (GSList *l = gtk_radio_button_get_group(radio); l != 0; l = g_slist_next(l)) {
            g_signal_handler_block(G_OBJECT(l->data), gpointer_to_int(g_object_get_data(G_OBJECT(l->data), "handler")));
        }
    }
    radio_button_set_active(radio, index);
    {
        for (GSList *l = gtk_radio_button_get_group(radio); l != 0; l = g_slist_next(l)) {
            g_signal_handler_unblock(G_OBJECT(l->data),
                                     gpointer_to_int(g_object_get_data(G_OBJECT(l->data), "handler")));
        }
    }
}

int radio_button_get_active(ui::RadioButton radio)
{
    //radio_button_print_state(radio);
    GSList *group = gtk_radio_button_get_group(radio);
    int index = g_slist_length(group) - 1;
    for (; group != 0; group = g_slist_next(group)) {
        if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(group->data))) {
            break;
        } else {
            index--;
        }
    }
    return index;
}