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/gtk.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( ui::Widget widget, gpointer data ){
  34         ( *reinterpret_cast<Callback*>( data ) )( );
  35 }
  36
  37 void button_connect_callback( ui::Button 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 void button_connect_callback( ui::ToolButton button, const Callback& callback ){
  46 #if 1
  47         g_signal_connect_swapped( G_OBJECT( button ), "clicked", G_CALLBACK( callback.getThunk() ), callback.getEnvironment() );
  48 #else
  49         g_signal_connect_closure( G_OBJECT( button ), "clicked", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), FALSE );
  50 #endif
  51 }
  52
  53 guint toggle_button_connect_callback( ui::ToggleButton button, const Callback& callback ){
  54 #if 1
  55         guint handler = g_signal_connect_swapped( G_OBJECT( button ), "toggled", G_CALLBACK( callback.getThunk() ), callback.getEnvironment() );
  56 #else
  57         guint handler = g_signal_connect_closure( G_OBJECT( button ), "toggled", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), TRUE );
  58 #endif
  59         g_object_set_data( G_OBJECT( button ), "handler", gint_to_pointer( handler ) );
  60         return handler;
  61 }
  62
  63 guint toggle_button_connect_callback( ui::ToggleToolButton button, const Callback& callback ){
  64 #if 1
  65         guint handler = g_signal_connect_swapped( G_OBJECT( button ), "toggled", G_CALLBACK( callback.getThunk() ), callback.getEnvironment() );
  66 #else
  67         guint handler = g_signal_connect_closure( G_OBJECT( button ), "toggled", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), TRUE );
  68 #endif
  69         g_object_set_data( G_OBJECT( button ), "handler", gint_to_pointer( handler ) );
  70         return handler;
  71 }
  72
  73 void button_set_icon( ui::Button button, const char* icon ){
  74         ui::Image image = ui::Image(new_local_image( icon ));
  75         image.show();
  76         button.add(image);
  77 }
  78
  79 void toggle_button_set_active_no_signal( ui::ToggleButton button, gboolean active ){
  80         //globalOutputStream() << "set active: " << active << "\n";
  81         guint handler_id = gpointer_to_int( g_object_get_data( G_OBJECT( button ), "handler" ) );
  82         //guint signal_id = g_signal_lookup("toggled", G_OBJECT_TYPE (button));
  83         //globalOutputStream() << "signal_id: " << signal_id << "\n";
  84         //guint found = g_signal_handler_find(G_OBJECT(button), G_SIGNAL_MATCH_ID, signal_id, 0, 0, 0, 0);
  85         //globalOutputStream() << " handler found: " << found << "\n";
  86         g_signal_handler_block( G_OBJECT( button ), handler_id );
  87         gtk_toggle_button_set_active( button, active );
  88         g_signal_handler_unblock( G_OBJECT( button ), handler_id );
  89 }
  90
  91 void toggle_button_set_active_no_signal( ui::ToggleToolButton button, gboolean active ){
  92         guint handler_id = gpointer_to_int( g_object_get_data( G_OBJECT( button ), "handler" ) );
  93         g_signal_handler_block( G_OBJECT( button ), handler_id );
  94         gtk_toggle_tool_button_set_active( button, active );
  95         g_signal_handler_unblock( G_OBJECT( button ), handler_id );
  96 }
  97
  98
  99 void radio_button_print_state( ui::RadioButton button ){
 100         globalOutputStream() << "toggle button: ";
 101         for ( GSList* radio = gtk_radio_button_get_group( button ); radio != 0; radio = g_slist_next( radio ) )
 102         {
 103                 globalOutputStream() << gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON( radio->data ) );
 104         }
 105         globalOutputStream() << "\n";
 106 }
 107
 108 GtkToggleButton* radio_button_get_nth( ui::RadioButton radio, int index ){
 109         GSList *group = gtk_radio_button_get_group( radio );
 110         return GTK_TOGGLE_BUTTON( g_slist_nth_data( group, g_slist_length( group ) - index - 1 ) );
 111 }
 112
 113 void radio_button_set_active( ui::RadioButton radio, int index ){
 114         //radio_button_print_state(radio);
 115         gtk_toggle_button_set_active( radio_button_get_nth( radio, index ), TRUE );
 116         //radio_button_print_state(radio);
 117 }
 118
 119 void radio_button_set_active_no_signal( ui::RadioButton radio, int index ){
 120         {
 121                 for ( GSList* l = gtk_radio_button_get_group( radio ); l != 0; l = g_slist_next( l ) )
 122                 {
 123                         g_signal_handler_block( G_OBJECT( l->data ), gpointer_to_int( g_object_get_data( G_OBJECT( l->data ), "handler" ) ) );
 124                 }
 125         }
 126         radio_button_set_active( radio, index );
 127         {
 128                 for ( GSList* l = gtk_radio_button_get_group( radio ); l != 0; l = g_slist_next( l ) )
 129                 {
 130                         g_signal_handler_unblock( G_OBJECT( l->data ), gpointer_to_int( g_object_get_data( G_OBJECT( l->data ), "handler" ) ) );
 131                 }
 132         }
 133 }
 134
 135 int radio_button_get_active( ui::RadioButton radio ){
 136         //radio_button_print_state(radio);
 137         GSList *group = gtk_radio_button_get_group( radio );
 138         int index = g_slist_length( group ) - 1;
 139         for (; group != 0; group = g_slist_next( group ) )
 140         {
 141                 if ( gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON( group->data ) ) ) {
 142                         break;
 143                 }
 144                 else
 145                 {
 146                         index--;
 147                 }
 148         }
 149         return index;
 150 }