misc/mediasource/extra/netradiant-src/libs/gtkutil/button.cpp

   1 /*
   2 Copyright (C) 2001-2006, William Joseph.
   3 All Rights Reserved.
   4
   5 This file is part of GtkRadiant.
   6
   7 GtkRadiant is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 GtkRadiant is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GtkRadiant; if not, write to the Free Software
  19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20 */
  21
  22 #include "button.h"
  23
  24 #include <gtk/gtkradiobutton.h>
  25
  26 #include "stream/textstream.h"
  27 #include "stream/stringstream.h"
  28 #include "generic/callback.h"
  29
  30 #include "image.h"
  31 #include "pointer.h"
  32
  33 void clicked_closure_callback(GtkWidget* widget, gpointer data)
  34 {
  35   (*reinterpret_cast<Callback*>(data))();
  36 }
  37
  38 void button_connect_callback(GtkButton* button, const Callback& callback)
  39 {
  40 #if 1
  41   g_signal_connect_swapped(G_OBJECT(button), "clicked", G_CALLBACK(callback.getThunk()), callback.getEnvironment());
  42 #else
  43   g_signal_connect_closure(G_OBJECT(button), "clicked", create_cclosure(G_CALLBACK(clicked_closure_callback), callback), FALSE);
  44 #endif
  45 }
  46
  47 guint toggle_button_connect_callback(GtkToggleButton* button, const Callback& callback)
  48 {
  49 #if 1
  50   guint handler = g_signal_connect_swapped(G_OBJECT(button), "toggled", G_CALLBACK(callback.getThunk()), callback.getEnvironment());
  51 #else
  52   guint handler = g_signal_connect_closure(G_OBJECT(button), "toggled", create_cclosure(G_CALLBACK(clicked_closure_callback), callback), TRUE);
  53 #endif
  54   g_object_set_data(G_OBJECT(button), "handler", gint_to_pointer(handler));
  55   return handler;
  56 }
  57
  58 void button_set_icon(GtkButton* button, const char* icon)
  59 {
  60   GtkImage* image = new_local_image(icon);
  61   gtk_widget_show(GTK_WIDGET(image));
  62   gtk_container_add(GTK_CONTAINER(button), GTK_WIDGET(image));
  63 }
  64
  65 void toggle_button_set_active_no_signal(GtkToggleButton* button, gboolean active)
  66 {
  67   //globalOutputStream() << "set active: " << active << "\n";
  68   guint handler_id = gpointer_to_int(g_object_get_data(G_OBJECT(button), "handler"));
  69   //guint signal_id = g_signal_lookup("toggled", G_OBJECT_TYPE (button));
  70   //globalOutputStream() << "signal_id: " << signal_id << "\n";
  71   //guint found = g_signal_handler_find(G_OBJECT(button), G_SIGNAL_MATCH_ID, signal_id, 0, 0, 0, 0);
  72   //globalOutputStream() << " handler found: " << found << "\n";
  73   g_signal_handler_block(G_OBJECT(button), handler_id);
  74   gtk_toggle_button_set_active(button, active);
  75   g_signal_handler_unblock(G_OBJECT(button), handler_id);
  76 }
  77
  78
  79 void radio_button_print_state(GtkRadioButton* button)
  80 {
  81   globalOutputStream() << "toggle button: ";
  82   for(GSList* radio = gtk_radio_button_group(button); radio != 0; radio = g_slist_next(radio))
  83   {
  84     globalOutputStream() << gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (radio->data));
  85   }
  86   globalOutputStream() << "\n";
  87 }
  88
  89 GtkToggleButton* radio_button_get_nth(GtkRadioButton* radio, int index)
  90 {
  91   GSList *group = gtk_radio_button_group(radio);
  92   return GTK_TOGGLE_BUTTON(g_slist_nth_data(group, g_slist_length(group) - index - 1));
  93 }
  94
  95 void radio_button_set_active(GtkRadioButton* radio, int index)
  96 {
  97   //radio_button_print_state(radio);
  98   gtk_toggle_button_set_active(radio_button_get_nth(radio, index), TRUE);
  99   //radio_button_print_state(radio);
 100 }
 101
 102 void radio_button_set_active_no_signal(GtkRadioButton* radio, int index)
 103 {
 104   {
 105     for(GSList* l = gtk_radio_button_get_group(radio); l != 0; l = g_slist_next(l))
 106     {
 107       g_signal_handler_block(G_OBJECT(l->data), gpointer_to_int(g_object_get_data(G_OBJECT(l->data), "handler")));
 108     }
 109   }
 110   radio_button_set_active(radio, index);
 111   {
 112     for(GSList* l = gtk_radio_button_get_group(radio); l != 0; l = g_slist_next(l))
 113     {
 114       g_signal_handler_unblock(G_OBJECT(l->data), gpointer_to_int(g_object_get_data(G_OBJECT(l->data), "handler")));
 115     }
 116   }
 117 }
 118
 119 int radio_button_get_active(GtkRadioButton* radio)
 120 {
 121   //radio_button_print_state(radio);
 122   GSList *group = gtk_radio_button_group(radio);
 123   int index = g_slist_length(group) - 1;
 124   for (; group != 0; group = g_slist_next(group))
 125   {
 126     if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(group->data)))
 127     {
 128       break;
 129     }
 130     else
 131     {
 132       index--;
 133     }
 134   }
 135   return index;
 136 }
 137