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         ( *reinterpret_cast<Callback*>( data ) )( );
  35 }
  36
  37 void button_connect_callback( GtkButton* button, const Callback& callback ){
  38 #if 1
  39         g_signal_connect_swapped( G_OBJECT( button ), "clicked", G_CALLBACK( callback.getThunk() ), callback.getEnvironment() );
  40 #else
  41         g_signal_connect_closure( G_OBJECT( button ), "clicked", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), FALSE );
  42 #endif
  43 }
  44
  45 guint toggle_button_connect_callback( GtkToggleButton* button, const Callback& callback ){
  46 #if 1
  47         guint handler = g_signal_connect_swapped( G_OBJECT( button ), "toggled", G_CALLBACK( callback.getThunk() ), callback.getEnvironment() );
  48 #else
  49         guint handler = g_signal_connect_closure( G_OBJECT( button ), "toggled", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), TRUE );
  50 #endif
  51         g_object_set_data( G_OBJECT( button ), "handler", gint_to_pointer( handler ) );
  52         return handler;
  53 }
  54
  55 void button_set_icon( GtkButton* button, const char* icon ){
  56         GtkImage* image = new_local_image( icon );
  57         gtk_widget_show( GTK_WIDGET( image ) );
  58         gtk_container_add( GTK_CONTAINER( button ), GTK_WIDGET( image ) );
  59 }
  60
  61 void toggle_button_set_active_no_signal( GtkToggleButton* button, gboolean active ){
  62         //globalOutputStream() << "set active: " << active << "\n";
  63         guint handler_id = gpointer_to_int( g_object_get_data( G_OBJECT( button ), "handler" ) );
  64         //guint signal_id = g_signal_lookup("toggled", G_OBJECT_TYPE (button));
  65         //globalOutputStream() << "signal_id: " << signal_id << "\n";
  66         //guint found = g_signal_handler_find(G_OBJECT(button), G_SIGNAL_MATCH_ID, signal_id, 0, 0, 0, 0);
  67         //globalOutputStream() << " handler found: " << found << "\n";
  68         g_signal_handler_block( G_OBJECT( button ), handler_id );
  69         gtk_toggle_button_set_active( button, active );
  70         g_signal_handler_unblock( G_OBJECT( button ), handler_id );
  71 }
  72
  73
  74 void radio_button_print_state( GtkRadioButton* button ){
  75         globalOutputStream() << "toggle button: ";
  76         for ( GSList* radio = gtk_radio_button_group( button ); radio != 0; radio = g_slist_next( radio ) )
  77         {
  78                 globalOutputStream() << gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON( radio->data ) );
  79         }
  80         globalOutputStream() << "\n";
  81 }
  82
  83 GtkToggleButton* radio_button_get_nth( GtkRadioButton* radio, int index ){
  84         GSList *group = gtk_radio_button_group( radio );
  85         return GTK_TOGGLE_BUTTON( g_slist_nth_data( group, g_slist_length( group ) - index - 1 ) );
  86 }
  87
  88 void radio_button_set_active( GtkRadioButton* radio, int index ){
  89         //radio_button_print_state(radio);
  90         gtk_toggle_button_set_active( radio_button_get_nth( radio, index ), TRUE );
  91         //radio_button_print_state(radio);
  92 }
  93
  94 void radio_button_set_active_no_signal( GtkRadioButton* radio, int index ){
  95         {
  96                 for ( GSList* l = gtk_radio_button_get_group( radio ); l != 0; l = g_slist_next( l ) )
  97                 {
  98                         g_signal_handler_block( G_OBJECT( l->data ), gpointer_to_int( g_object_get_data( G_OBJECT( l->data ), "handler" ) ) );
  99                 }
 100         }
 101         radio_button_set_active( radio, index );
 102         {
 103                 for ( GSList* l = gtk_radio_button_get_group( radio ); l != 0; l = g_slist_next( l ) )
 104                 {
 105                         g_signal_handler_unblock( G_OBJECT( l->data ), gpointer_to_int( g_object_get_data( G_OBJECT( l->data ), "handler" ) ) );
 106                 }
 107         }
 108 }
 109
 110 int radio_button_get_active( GtkRadioButton* radio ){
 111         //radio_button_print_state(radio);
 112         GSList *group = gtk_radio_button_group( radio );
 113         int index = g_slist_length( group ) - 1;
 114         for (; group != 0; group = g_slist_next( group ) )
 115         {
 116                 if ( gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON( group->data ) ) ) {
 117                         break;
 118                 }
 119                 else
 120                 {
 121                         index--;
 122                 }
 123         }
 124         return index;
 125 }