]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkradiobutton.c
Deprecate widget flag: GTK_WIDGET_MAPPED
[~andy/gtk] / gtk / gtkradiobutton.c
index deb0ba237ba61f470d6507ab14d08d28dbf89e55..2da7a73541b253a3f3dff72bb5c1a37afb20fbef 100644 (file)
  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
  */
 
+#include "config.h"
 #include "gtklabel.h"
+#include "gtkmarshalers.h"
 #include "gtkradiobutton.h"
-#include "gtksignal.h"
+#include "gtkprivate.h"
+#include "gtkintl.h"
+#include "gtkalias.h"
 
 
 enum {
-  ARG_0,
-  ARG_GROUP
+  PROP_0,
+  PROP_GROUP
 };
 
 
-static void     gtk_radio_button_class_init     (GtkRadioButtonClass *klass);
-static void     gtk_radio_button_init           (GtkRadioButton      *radio_button);
 static void     gtk_radio_button_destroy        (GtkObject           *object);
 static gboolean gtk_radio_button_focus          (GtkWidget           *widget,
                                                 GtkDirectionType     direction);
 static void     gtk_radio_button_clicked        (GtkButton           *button);
 static void     gtk_radio_button_draw_indicator (GtkCheckButton      *check_button,
                                                 GdkRectangle        *area);
-static void     gtk_radio_button_set_arg        (GtkObject           *object,
-                                                GtkArg              *arg,
-                                                guint                arg_id);
-static void     gtk_radio_button_get_arg        (GtkObject           *object,
-                                                GtkArg              *arg,
-                                                guint                arg_id);
+static void     gtk_radio_button_set_property   (GObject             *object,
+                                                guint                prop_id,
+                                                const GValue        *value,
+                                                GParamSpec          *pspec);
+static void     gtk_radio_button_get_property   (GObject             *object,
+                                                guint                prop_id,
+                                                GValue              *value,
+                                                GParamSpec          *pspec);
 
-static GtkCheckButtonClass *parent_class = NULL;
+G_DEFINE_TYPE (GtkRadioButton, gtk_radio_button, GTK_TYPE_CHECK_BUTTON)
 
-
-GtkType
-gtk_radio_button_get_type (void)
-{
-  static GtkType radio_button_type = 0;
-
-  if (!radio_button_type)
-    {
-      static const GtkTypeInfo radio_button_info =
-      {
-       "GtkRadioButton",
-       sizeof (GtkRadioButton),
-       sizeof (GtkRadioButtonClass),
-       (GtkClassInitFunc) gtk_radio_button_class_init,
-       (GtkObjectInitFunc) gtk_radio_button_init,
-        /* reserved_1 */ NULL,
-       /* reserved_2 */ NULL,
-       (GtkClassInitFunc) NULL,
-      };
-
-      radio_button_type = gtk_type_unique (gtk_check_button_get_type (), &radio_button_info);
-    }
-
-  return radio_button_type;
-}
+static guint group_changed_signal = 0;
 
 static void
 gtk_radio_button_class_init (GtkRadioButtonClass *class)
 {
+  GObjectClass *gobject_class;
   GtkObjectClass *object_class;
   GtkButtonClass *button_class;
   GtkCheckButtonClass *check_button_class;
   GtkWidgetClass *widget_class;
 
+  gobject_class = G_OBJECT_CLASS (class);
   object_class = (GtkObjectClass*) class;
   widget_class = (GtkWidgetClass*) class;
   button_class = (GtkButtonClass*) class;
   check_button_class = (GtkCheckButtonClass*) class;
 
-  parent_class = gtk_type_class (gtk_check_button_get_type ());
-
-  gtk_object_add_arg_type ("GtkRadioButton::group", GTK_TYPE_RADIO_BUTTON, GTK_ARG_WRITABLE, ARG_GROUP);
+  gobject_class->set_property = gtk_radio_button_set_property;
+  gobject_class->get_property = gtk_radio_button_get_property;
 
-  object_class->set_arg = gtk_radio_button_set_arg;
-  object_class->get_arg = gtk_radio_button_get_arg;
+  g_object_class_install_property (gobject_class,
+                                  PROP_GROUP,
+                                  g_param_spec_object ("group",
+                                                       P_("Group"),
+                                                       P_("The radio button whose group this widget belongs to."),
+                                                       GTK_TYPE_RADIO_BUTTON,
+                                                       GTK_PARAM_WRITABLE));
   object_class->destroy = gtk_radio_button_destroy;
 
   widget_class->focus = gtk_radio_button_focus;
@@ -104,13 +90,36 @@ gtk_radio_button_class_init (GtkRadioButtonClass *class)
   button_class->clicked = gtk_radio_button_clicked;
 
   check_button_class->draw_indicator = gtk_radio_button_draw_indicator;
+
+  class->group_changed = NULL;
+
+  /**
+   * GtkRadioButton::group-changed:
+   * @style: the object which received the signal
+   *
+   * Emitted when the group of radio buttons that a radio button belongs
+   * to changes. This is emitted when a radio button switches from
+   * being alone to being part of a group of 2 or more buttons, or
+   * vice-versa, and when a button is moved from one group of 2 or
+   * more buttons to a different one, but not when the composition
+   * of the group that a button belongs to changes.
+   *
+   * Since: 2.4
+   */
+  group_changed_signal = g_signal_new (I_("group-changed"),
+                                      G_OBJECT_CLASS_TYPE (object_class),
+                                      G_SIGNAL_RUN_FIRST,
+                                      G_STRUCT_OFFSET (GtkRadioButtonClass, group_changed),
+                                      NULL, NULL,
+                                      _gtk_marshal_VOID__VOID,
+                                      G_TYPE_NONE, 0);
 }
 
 static void
 gtk_radio_button_init (GtkRadioButton *radio_button)
 {
   GTK_WIDGET_SET_FLAGS (radio_button, GTK_NO_WINDOW);
-  GTK_WIDGET_UNSET_FLAGS (radio_button, GTK_RECEIVES_DEFAULT);
+  gtk_widget_set_receives_default (GTK_WIDGET (radio_button), FALSE);
 
   GTK_TOGGLE_BUTTON (radio_button)->active = TRUE;
 
@@ -123,43 +132,45 @@ gtk_radio_button_init (GtkRadioButton *radio_button)
 }
 
 static void
-gtk_radio_button_set_arg (GtkObject     *object,
-                         GtkArg         *arg,
-                         guint           arg_id)
+gtk_radio_button_set_property (GObject      *object,
+                              guint         prop_id,
+                              const GValue *value,
+                              GParamSpec   *pspec)
 {
   GtkRadioButton *radio_button;
 
   radio_button = GTK_RADIO_BUTTON (object);
 
-  switch (arg_id)
+  switch (prop_id)
     {
       GSList *slist;
+      GtkRadioButton *button;
 
-    case ARG_GROUP:
-      if (GTK_VALUE_OBJECT (*arg))
-       slist = gtk_radio_button_get_group ((GtkRadioButton*) GTK_VALUE_OBJECT (*arg));
+    case PROP_GROUP:
+        button = g_value_get_object (value);
+
+      if (button)
+       slist = gtk_radio_button_get_group (button);
       else
        slist = NULL;
       gtk_radio_button_set_group (radio_button, slist);
       break;
     default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
     }
 }
 
 static void
-gtk_radio_button_get_arg (GtkObject      *object,
-                         GtkArg         *arg,
-                         guint           arg_id)
+gtk_radio_button_get_property (GObject    *object,
+                              guint       prop_id,
+                              GValue     *value,
+                              GParamSpec *pspec)
 {
-  GtkRadioButton *radio_button;
-
-  radio_button = GTK_RADIO_BUTTON (object);
-
-  switch (arg_id)
+  switch (prop_id)
     {
     default:
-      arg->type = GTK_TYPE_INVALID;
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
     }
 }
@@ -168,15 +179,21 @@ void
 gtk_radio_button_set_group (GtkRadioButton *radio_button,
                            GSList         *group)
 {
+  GtkWidget *old_group_singleton = NULL;
+  GtkWidget *new_group_singleton = NULL;
+  
   g_return_if_fail (GTK_IS_RADIO_BUTTON (radio_button));
   g_return_if_fail (!g_slist_find (group, radio_button));
 
   if (radio_button->group)
     {
       GSList *slist;
-      
+
       radio_button->group = g_slist_remove (radio_button->group, radio_button);
       
+      if (radio_button->group && !radio_button->group->next)
+       old_group_singleton = g_object_ref (radio_button->group->data);
+         
       for (slist = radio_button->group; slist; slist = slist->next)
        {
          GtkRadioButton *tmp_button;
@@ -187,6 +204,9 @@ gtk_radio_button_set_group (GtkRadioButton *radio_button,
        }
     }
   
+  if (group && !group->next)
+    new_group_singleton = g_object_ref (group->data);
+  
   radio_button->group = g_slist_prepend (group, radio_button);
   
   if (group)
@@ -203,7 +223,24 @@ gtk_radio_button_set_group (GtkRadioButton *radio_button,
        }
     }
 
+  g_object_ref (radio_button);
+  
+  g_object_notify (G_OBJECT (radio_button), "group");
+  g_signal_emit (radio_button, group_changed_signal, 0);
+  if (old_group_singleton)
+    {
+      g_signal_emit (old_group_singleton, group_changed_signal, 0);
+      g_object_unref (old_group_singleton);
+    }
+  if (new_group_singleton)
+    {
+      g_signal_emit (new_group_singleton, group_changed_signal, 0);
+      g_object_unref (new_group_singleton);
+    }
+
   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (radio_button), group == NULL);
+
+  g_object_unref (radio_button);
 }
 
 GtkWidget*
@@ -211,7 +248,7 @@ gtk_radio_button_new (GSList *group)
 {
   GtkRadioButton *radio_button;
 
-  radio_button = gtk_type_new (gtk_radio_button_get_type ());
+  radio_button = g_object_new (GTK_TYPE_RADIO_BUTTON, NULL);
 
   if (group)
     gtk_radio_button_set_group (radio_button, group);
@@ -252,7 +289,10 @@ gtk_radio_button_new_with_mnemonic (GSList      *group,
 {
   GtkWidget *radio_button;
 
-  radio_button = g_object_new (GTK_TYPE_RADIO_BUTTON, "label", label, "use_underline", TRUE, NULL);
+  radio_button = g_object_new (GTK_TYPE_RADIO_BUTTON, 
+                              "label", label, 
+                              "use-underline", TRUE, 
+                              NULL);
 
   if (group)
     gtk_radio_button_set_group (GTK_RADIO_BUTTON (radio_button), group);
@@ -261,28 +301,28 @@ gtk_radio_button_new_with_mnemonic (GSList      *group,
 }
 
 GtkWidget*
-gtk_radio_button_new_from_widget (GtkRadioButton *group)
+gtk_radio_button_new_from_widget (GtkRadioButton *radio_group_member)
 {
   GSList *l = NULL;
-  if (group)
-    l = gtk_radio_button_get_group (group);
+  if (radio_group_member)
+    l = gtk_radio_button_get_group (radio_group_member);
   return gtk_radio_button_new (l);
 }
 
 
 GtkWidget*
-gtk_radio_button_new_with_label_from_widget (GtkRadioButton *group,
+gtk_radio_button_new_with_label_from_widget (GtkRadioButton *radio_group_member,
                                             const gchar    *label)
 {
   GSList *l = NULL;
-  if (group)
-    l = gtk_radio_button_get_group (group);
+  if (radio_group_member)
+    l = gtk_radio_button_get_group (radio_group_member);
   return gtk_radio_button_new_with_label (l, label);
 }
 
 /**
  * gtk_radio_button_new_with_mnemonic_from_widget:
- * @group: widget to get radio group from
+ * @radio_group_member: (allow-none): widget to get radio group from or %NULL
  * @label: the text of the button, with an underscore in front of the
  *         mnemonic character
  * @returns: a new #GtkRadioButton
@@ -292,15 +332,27 @@ gtk_radio_button_new_with_label_from_widget (GtkRadioButton *group,
  * in @label indicate the mnemonic for the button.
  **/
 GtkWidget*
-gtk_radio_button_new_with_mnemonic_from_widget (GtkRadioButton *group,
+gtk_radio_button_new_with_mnemonic_from_widget (GtkRadioButton *radio_group_member,
                                                const gchar    *label)
 {
   GSList *l = NULL;
-  if (group)
-    l = gtk_radio_button_get_group (group);
+  if (radio_group_member)
+    l = gtk_radio_button_get_group (radio_group_member);
   return gtk_radio_button_new_with_mnemonic (l, label);
 }
 
+
+/**
+ * gtk_radio_button_get_group:
+ * @radio_button: a #GtkRadioButton.
+ *
+ * Retrieves the group assigned to a radio button.
+ *
+ * Return value: (element-type GtkRadioButton) (transfer none): a linked list
+ * containing all the radio buttons in the same group
+ * as @radio_button. The returned list is owned by the radio button
+ * and must not be modified or freed.
+ */
 GSList*
 gtk_radio_button_get_group (GtkRadioButton *radio_button)
 {
@@ -313,13 +365,20 @@ gtk_radio_button_get_group (GtkRadioButton *radio_button)
 static void
 gtk_radio_button_destroy (GtkObject *object)
 {
+  GtkWidget *old_group_singleton = NULL;
   GtkRadioButton *radio_button;
   GtkRadioButton *tmp_button;
   GSList *tmp_list;
-
+  gboolean was_in_group;
+  
   radio_button = GTK_RADIO_BUTTON (object);
 
+  was_in_group = radio_button->group && radio_button->group->next;
+  
   radio_button->group = g_slist_remove (radio_button->group, radio_button);
+  if (radio_button->group && !radio_button->group->next)
+    old_group_singleton = radio_button->group->data;
+
   tmp_list = radio_button->group;
 
   while (tmp_list)
@@ -332,9 +391,13 @@ gtk_radio_button_destroy (GtkObject *object)
 
   /* this button is no longer in the group */
   radio_button->group = NULL;
-  
-  if (GTK_OBJECT_CLASS (parent_class)->destroy)
-    (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+
+  if (old_group_singleton)
+    g_signal_emit (old_group_singleton, group_changed_signal, 0);
+  if (was_in_group)
+    g_signal_emit (radio_button, group_changed_signal, 0);
+
+  GTK_OBJECT_CLASS (gtk_radio_button_parent_class)->destroy (object);
 }
 
 static void
@@ -392,29 +455,34 @@ gtk_radio_button_focus (GtkWidget         *widget,
    * they look like buttons to the user.
    */
   if (!GTK_TOGGLE_BUTTON (widget)->draw_indicator)
-    return GTK_WIDGET_CLASS (parent_class)->focus (widget, direction);
+    return GTK_WIDGET_CLASS (gtk_radio_button_parent_class)->focus (widget, direction);
   
   if (gtk_widget_is_focus (widget))
     {
+      GtkSettings *settings = gtk_widget_get_settings (widget);
       GSList *focus_list, *tmp_list;
       GtkWidget *toplevel = gtk_widget_get_toplevel (widget);
       GtkWidget *new_focus = NULL;
+      gboolean cursor_only;
+      gboolean wrap_around;
 
-      focus_list = g_slist_copy (radio_button->group);
-      
       switch (direction)
        {
-       case GTK_DIR_TAB_FORWARD:
-       case GTK_DIR_TAB_BACKWARD:
-         return FALSE;
        case GTK_DIR_LEFT:
        case GTK_DIR_RIGHT:
+         focus_list = g_slist_copy (radio_button->group);
          focus_list = g_slist_sort_with_data (focus_list, left_right_compare, toplevel);
          break;
        case GTK_DIR_UP:
        case GTK_DIR_DOWN:
+         focus_list = g_slist_copy (radio_button->group);
          focus_list = g_slist_sort_with_data (focus_list, up_down_compare, toplevel);
          break;
+       case GTK_DIR_TAB_FORWARD:
+       case GTK_DIR_TAB_BACKWARD:
+          /* fall through */
+        default:
+         return FALSE;
        }
 
       if (direction == GTK_DIR_LEFT || direction == GTK_DIR_UP)
@@ -430,7 +498,7 @@ gtk_radio_button_focus (GtkWidget         *widget,
            {
              GtkWidget *child = tmp_list->data;
              
-             if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_IS_SENSITIVE (child))
+             if (gtk_widget_get_mapped (child) && gtk_widget_is_sensitive (child))
                {
                  new_focus = child;
                  break;
@@ -440,15 +508,33 @@ gtk_radio_button_focus (GtkWidget         *widget,
            }
        }
 
+      g_object_get (settings,
+                    "gtk-keynav-cursor-only", &cursor_only,
+                    "gtk-keynav-wrap-around", &wrap_around,
+                    NULL);
+
       if (!new_focus)
        {
+          if (cursor_only)
+            {
+              g_slist_free (focus_list);
+              return FALSE;
+            }
+
+          if (!wrap_around)
+            {
+              g_slist_free (focus_list);
+              gtk_widget_error_bell (widget);
+              return TRUE;
+            }
+
          tmp_list = focus_list;
 
          while (tmp_list)
            {
              GtkWidget *child = tmp_list->data;
              
-             if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_IS_SENSITIVE (child))
+             if (gtk_widget_get_mapped (child) && gtk_widget_is_sensitive (child))
                {
                  new_focus = child;
                  break;
@@ -463,7 +549,9 @@ gtk_radio_button_focus (GtkWidget         *widget,
       if (new_focus)
        {
          gtk_widget_grab_focus (new_focus);
-         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (new_focus), TRUE);
+
+          if (!cursor_only)
+            gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (new_focus), TRUE);
        }
 
       return TRUE;
@@ -508,7 +596,7 @@ gtk_radio_button_clicked (GtkButton *button)
   toggle_button = GTK_TOGGLE_BUTTON (button);
   toggled = FALSE;
 
-  gtk_widget_ref (GTK_WIDGET (button));
+  g_object_ref (GTK_WIDGET (button));
 
   if (toggle_button->active)
     {
@@ -541,7 +629,7 @@ gtk_radio_button_clicked (GtkButton *button)
     {
       toggled = TRUE;
       toggle_button->active = !toggle_button->active;
-
+      
       tmp_list = radio_button->group;
       while (tmp_list)
        {
@@ -569,13 +657,17 @@ gtk_radio_button_clicked (GtkButton *button)
     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 
   if (toggled)
-    gtk_toggle_button_toggled (toggle_button);
+    {
+      gtk_toggle_button_toggled (toggle_button);
+
+      g_object_notify (G_OBJECT (toggle_button), "active");
+    }
 
   _gtk_button_set_depressed (button, depressed);
 
   gtk_widget_queue_draw (GTK_WIDGET (button));
 
-  gtk_widget_unref (GTK_WIDGET (button));
+  g_object_unref (button);
 }
 
 static void
@@ -583,6 +675,7 @@ gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
                                 GdkRectangle   *area)
 {
   GtkWidget *widget;
+  GtkWidget *child;
   GtkButton *button;
   GtkToggleButton *toggle_button;
   GtkStateType state_type;
@@ -593,14 +686,15 @@ gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
   gint focus_pad;
   gboolean interior_focus;
 
-  if (GTK_WIDGET_DRAWABLE (check_button))
+  widget = GTK_WIDGET (check_button);
+
+  if (gtk_widget_is_drawable (widget))
     {
-      widget = GTK_WIDGET (check_button);
       button = GTK_BUTTON (check_button);
       toggle_button = GTK_TOGGLE_BUTTON (check_button);
 
       gtk_widget_style_get (widget,
-                           "interior_focus", &interior_focus,
+                           "interior-focus", &interior_focus,
                            "focus-line-width", &focus_width,
                            "focus-padding", &focus_pad,
                            NULL);
@@ -610,7 +704,8 @@ gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
       x = widget->allocation.x + indicator_spacing + GTK_CONTAINER (widget)->border_width;
       y = widget->allocation.y + (widget->allocation.height - indicator_size) / 2;
 
-      if (!interior_focus)
+      child = GTK_BIN (check_button)->child;
+      if (!interior_focus || !(child && gtk_widget_get_visible (child)))
        x += focus_width + focus_pad;      
 
       if (toggle_button->inconsistent)
@@ -624,6 +719,8 @@ gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
        state_type = GTK_STATE_ACTIVE;
       else if (button->in_button)
        state_type = GTK_STATE_PRELIGHT;
+      else if (!gtk_widget_is_sensitive (widget))
+       state_type = GTK_STATE_INSENSITIVE;
       else
        state_type = GTK_STATE_NORMAL;
 
@@ -656,3 +753,6 @@ gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
                        x, y, indicator_size, indicator_size);
     }
 }
+
+#define __GTK_RADIO_BUTTON_C__
+#include "gtkaliasdef.c"