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 {
  35     (*reinterpret_cast<Callback<void()> *>( data ))();
  36 }
  37
  38 void button_connect_callback(ui::Button button, const Callback<void()> &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 void button_connect_callback(ui::ToolButton button, const Callback<void()> &callback)
  48 {
  49 #if 1
  50     g_signal_connect_swapped(G_OBJECT(button), "clicked", G_CALLBACK(callback.getThunk()), callback.getEnvironment());
  51 #else
  52     g_signal_connect_closure( G_OBJECT( button ), "clicked", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), FALSE );
  53 #endif
  54 }
  55
  56 guint toggle_button_connect_callback(ui::ToggleButton button, const Callback<void()> &callback)
  57 {
  58 #if 1
  59     guint handler = g_signal_connect_swapped(G_OBJECT(button), "toggled", G_CALLBACK(callback.getThunk()),
  60                                              callback.getEnvironment());
  61 #else
  62     guint handler = g_signal_connect_closure( G_OBJECT( button ), "toggled", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), TRUE );
  63 #endif
  64     g_object_set_data(G_OBJECT(button), "handler", gint_to_pointer(handler));
  65     return handler;
  66 }
  67
  68 guint toggle_button_connect_callback(ui::ToggleToolButton button, const Callback<void()> &callback)
  69 {
  70 #if 1
  71     guint handler = g_signal_connect_swapped(G_OBJECT(button), "toggled", G_CALLBACK(callback.getThunk()),
  72                                              callback.getEnvironment());
  73 #else
  74     guint handler = g_signal_connect_closure( G_OBJECT( button ), "toggled", create_cclosure( G_CALLBACK( clicked_closure_callback ), callback ), TRUE );
  75 #endif
  76     g_object_set_data(G_OBJECT(button), "handler", gint_to_pointer(handler));
  77     return handler;
  78 }
  79
  80 void button_set_icon(ui::Button button, const char *icon)
  81 {
  82     ui::Image image = ui::Image(new_local_image(icon));
  83     image.show();
  84     button.add(image);
  85 }
  86
  87 void toggle_button_set_active_no_signal(ui::ToggleButton button, gboolean active)
  88 {
  89     //globalOutputStream() << "set active: " << active << "\n";
  90     guint handler_id = gpointer_to_int(g_object_get_data(G_OBJECT(button), "handler"));
  91     //guint signal_id = g_signal_lookup("toggled", G_OBJECT_TYPE (button));
  92     //globalOutputStream() << "signal_id: " << signal_id << "\n";
  93     //guint found = g_signal_handler_find(G_OBJECT(button), G_SIGNAL_MATCH_ID, signal_id, 0, 0, 0, 0);
  94     //globalOutputStream() << " handler found: " << found << "\n";
  95     g_signal_handler_block(G_OBJECT(button), handler_id);
  96     gtk_toggle_button_set_active(button, active);
  97     g_signal_handler_unblock(G_OBJECT(button), handler_id);
  98 }
  99
 100 void toggle_button_set_active_no_signal(ui::ToggleToolButton button, gboolean active)
 101 {
 102     guint handler_id = gpointer_to_int(g_object_get_data(G_OBJECT(button), "handler"));
 103     g_signal_handler_block(G_OBJECT(button), handler_id);
 104     gtk_toggle_tool_button_set_active(button, active);
 105     g_signal_handler_unblock(G_OBJECT(button), handler_id);
 106 }
 107
 108
 109 void radio_button_print_state(ui::RadioButton button)
 110 {
 111     globalOutputStream() << "toggle button: ";
 112     for (GSList *radio = gtk_radio_button_get_group(button); radio != 0; radio = g_slist_next(radio)) {
 113         globalOutputStream() << gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(radio->data));
 114     }
 115     globalOutputStream() << "\n";
 116 }
 117
 118 ui::ToggleButton radio_button_get_nth(ui::RadioButton radio, int index)
 119 {
 120     GSList *group = gtk_radio_button_get_group(radio);
 121     return ui::ToggleButton::from(g_slist_nth_data(group, g_slist_length(group) - index - 1));
 122 }
 123
 124 void radio_button_set_active(ui::RadioButton radio, int index)
 125 {
 126     //radio_button_print_state(radio);
 127     gtk_toggle_button_set_active(radio_button_get_nth(radio, index), TRUE);
 128     //radio_button_print_state(radio);
 129 }
 130
 131 void radio_button_set_active_no_signal(ui::RadioButton radio, int index)
 132 {
 133     {
 134         for (GSList *l = gtk_radio_button_get_group(radio); l != 0; l = g_slist_next(l)) {
 135             g_signal_handler_block(G_OBJECT(l->data), gpointer_to_int(g_object_get_data(G_OBJECT(l->data), "handler")));
 136         }
 137     }
 138     radio_button_set_active(radio, index);
 139     {
 140         for (GSList *l = gtk_radio_button_get_group(radio); l != 0; l = g_slist_next(l)) {
 141             g_signal_handler_unblock(G_OBJECT(l->data),
 142                                      gpointer_to_int(g_object_get_data(G_OBJECT(l->data), "handler")));
 143         }
 144     }
 145 }
 146
 147 int radio_button_get_active(ui::RadioButton radio)
 148 {
 149     //radio_button_print_state(radio);
 150     GSList *group = gtk_radio_button_get_group(radio);
 151     int index = g_slist_length(group) - 1;
 152     for (; group != 0; group = g_slist_next(group)) {
 153         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(group->data))) {
 154             break;
 155         } else {
 156             index--;
 157         }
 158     }
 159     return index;
 160 }