1 files changed, 477 insertions, 0 deletions

diff --git a/tools/glade/glade/gbwidgets/gbradiobutton.c b/tools/glade/glade/gbwidgets/gbradiobutton.c
new file mode 100644
index 00000000..458e3fd6
--- /dev/null
+++ b/tools/glade/glade/gbwidgets/gbradiobutton.c
@@ -0,0 +1,477 @@
+
+/*  Gtk+ User Interface Builder
+ *  Copyright (C) 1998  Damon Chaplin
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <string.h>
+
+#include <gtk/gtkentry.h>
+#include <gtk/gtklabel.h>
+#include <gtk/gtkradiobutton.h>
+#include "../gb.h"
+
+/* Include the 21x21 icon pixmap for this widget, to be used in the palette */
+#include "../graphics/radiobutton.xpm"
+
+/*
+ * This is the GbWidget struct for this widget (see ../gbwidget.h).
+ * It is initialized in the init() function at the end of this file
+ */
+static GbWidget gbwidget;
+
+static gchar *StockButton = "RadioButton|GtkButton::stock_button";
+static gchar *Label = "RadioButton|GtkButton::label";
+static gchar *Icon = "RadioButton|GtkButton::icon";
+static gchar *FocusOnClick = "RadioButton|GtkButton::focus_on_click";
+
+/* This is only used for normal/stock buttons, not special toolbar buttons,
+   as the toolbar has its own relief setting. */
+static gchar *Relief = "RadioButton|GtkButton::relief";
+
+static gchar *State = "RadioButton|GtkToggleButton::active";
+static gchar *Inconsistent = "RadioButton|GtkToggleButton::inconsistent";
+static gchar *Group = "GtkRadioButton::group";
+static gchar *Indicator = "RadioButton|GtkToggleButton::draw_indicator";
+
+typedef struct _GladeFindGroupsData GladeFindGroupsData;
+struct _GladeFindGroupsData {
+  GList *groups_found;
+  GList *group_names;
+};
+
+
+typedef struct _GladeFindGroupWidgetData GladeFindGroupWidgetData;
+struct _GladeFindGroupWidgetData {
+  gchar *name;
+  GtkWidget *found_widget;
+};
+
+
+static void get_radio_button_groups (GtkWidget * widget,
+				     GladeFindGroupsData *find_data);
+
+
+
+/******
+ * NOTE: To use these functions you need to uncomment them AND add a pointer
+ * to the function in the GbWidget struct at the end of this file.
+ ******/
+
+static void
+find_parents_group (GtkWidget * widget, GSList ** group)
+{
+  /* If a group has already been found, return. */
+  if (*group)
+    return;
+
+  if (GTK_IS_RADIO_BUTTON (widget))
+    *group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
+}
+
+
+/*
+ * Creates a new GtkWidget of class GtkRadioButton, performing any specialized
+ * initialization needed for the widget to work correctly in this environment.
+ * If a dialog box is used to initialize the widget, return NULL from this
+ * function, and call data->callback with your new widget when it is done.
+ * If the widget needs a special destroy handler, add a signal here.
+ */
+GtkWidget *
+gb_radio_button_new (GbWidgetNewData * data)
+{
+  GtkWidget *new_widget;
+  GSList *group_list = NULL;
+
+  /* When creating a radiobutton we try to place it in the same group as other
+     radio buttons with the same parent. */
+  if (data->parent && data->action == GB_CREATING)
+    gb_widget_children_foreach (data->parent, (GtkCallback) find_parents_group,
+				&group_list);
+
+  if (data->action == GB_CREATING)
+    new_widget = gtk_radio_button_new_with_label (group_list, data->name);
+  else
+    {
+      new_widget = gtk_radio_button_new (group_list);
+      gtk_container_add (GTK_CONTAINER (new_widget), editor_new_placeholder());
+    }
+  return new_widget;
+}
+
+
+
+/*
+ * Creates the components needed to edit the extra properties of this widget.
+ */
+static void
+gb_radio_button_create_properties (GtkWidget * widget, GbWidgetCreateArgData *
+				   data)
+{
+  GtkWidget *combo;
+
+  property_add_stock_item (StockButton, _("Stock Button:"),
+			   _("The stock button to use"),
+			   GTK_ICON_SIZE_BUTTON);
+  property_add_text (Label, _("Label:"), _("The text to display"), 2);
+  property_add_icon (Icon, _("Icon:"),
+		     _("The icon to display"),
+		     GTK_ICON_SIZE_BUTTON);
+  property_add_choice (Relief, _("Button Relief:"),
+		       _("The relief style of the button"),
+		       GladeReliefChoices);
+
+  property_add_bool (State, _("Initially On:"),
+		     _("If the radio button is initially on"));
+  property_add_bool (Inconsistent, _("Inconsistent:"),
+		     _("If the button is shown in an inconsistent state"));
+  property_add_bool (Indicator, _("Indicator:"),
+		     _("If the indicator is always drawn"));
+  property_add_combo (Group, _("Group:"),
+		      _("The radio button group (the default is all radio buttons with the same parent)"),
+		      NULL);
+  combo = property_get_value_widget (Group);
+  gtk_editable_set_editable (GTK_EDITABLE (GTK_COMBO (combo)->entry), FALSE);
+  property_add_bool (FocusOnClick, _("Focus On Click:"), _("If the button grabs focus when it is clicked"));
+}
+
+
+
+/*
+ * Gets the properties of the widget. This is used for both displaying the
+ * properties in the property editor, and also for saving the properties.
+ */
+static void
+gb_radio_button_get_properties (GtkWidget * widget, GbWidgetGetArgData * data)
+{
+  GtkWidget *component;
+  GladeFindGroupData find_data;
+
+  component = glade_util_get_toplevel (widget);
+
+  gb_button_get_standard_properties (widget, data, StockButton, Label, Icon,
+				     Relief, FocusOnClick);
+
+  gb_widget_output_bool (data, State, data->widget_data->flags & GLADE_ACTIVE);
+
+  gb_widget_output_bool (data, Inconsistent,
+			 GTK_TOGGLE_BUTTON (widget)->inconsistent);
+
+  gb_widget_output_bool (data, Indicator,
+			 GTK_TOGGLE_BUTTON (widget)->draw_indicator);
+
+  /* If we're showing we need to display the list of groups to choose from.
+     We walk the tree of widgets in this component, and if a widget is
+     a radio button, we see if it has a group and if it is already in the
+     list and if not we add it. */
+  if (data->action == GB_SHOWING)
+    {
+      GladeFindGroupsData find_groups_data;
+
+      find_groups_data.groups_found = NULL;
+      find_groups_data.group_names = NULL;
+      get_radio_button_groups (component, &find_groups_data);
+
+      find_groups_data.group_names = g_list_prepend (find_groups_data.group_names,
+						     _("New Group"));
+      property_set_combo_strings (Group, find_groups_data.group_names);
+
+      g_list_free (find_groups_data.groups_found);
+      g_list_free (find_groups_data.group_names);
+
+      /*property_set_visible (Indicator, !is_toolbar_button);*/
+    }
+
+  find_data.group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
+  find_data.found_widget = NULL;
+  gb_button_find_radio_group (component, &find_data);
+
+  if (find_data.found_widget)
+    {
+      /* If we are saving, we don't output the group if this widget is the
+	 first widget in the group. */
+      if (data->action == GB_SHOWING || find_data.found_widget != widget)
+	{
+	  const char *name;
+	  name = gtk_widget_get_name (find_data.found_widget);
+	  gb_widget_output_combo (data, Group, name);
+	}
+    }
+  else
+    {
+      g_warning ("Radiobutton has no group");
+      gb_widget_output_combo (data, Group, "");
+    }
+}
+
+
+/* Note that this must walk the widget tree in exactly the same way that we
+   save the widgets, so we know which widget in the group will be the first
+   output. */
+static void
+get_radio_button_groups (GtkWidget * widget, GladeFindGroupsData *find_data)
+{
+  if (GTK_IS_RADIO_BUTTON (widget) && GB_IS_GB_WIDGET (widget))
+    {
+      GSList *group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
+
+      /* See if we've already found a widget in this group. */
+      if (!g_list_find (find_data->groups_found, group))
+	{
+	  const char *name = gtk_widget_get_name (GTK_WIDGET (widget));
+
+	  /* Remember that we've already seen this group. */
+	  find_data->groups_found = g_list_prepend (find_data->groups_found,
+						    group);
+
+	  /* Add the widget's name to the list. */
+	  find_data->group_names = g_list_insert_sorted (find_data->group_names, (char*)name, (GCompareFunc) g_utf8_collate);
+	}
+    }
+
+  if (GTK_IS_CONTAINER (widget))
+    gb_widget_children_foreach (widget, (GtkCallback) get_radio_button_groups,
+				find_data);
+}
+
+
+/* This tries to ensure that one and only one radio button in the given
+   group is selected. It's used because GtkRadioButton doesn't handle this
+   when groups are changed. */
+void
+gb_radio_button_update_radio_group (GSList * group)
+{
+  GtkRadioButton *button;
+  GSList *slist;
+  gboolean found_selected = FALSE;
+
+  if (group == NULL)
+    return;
+
+  for (slist = group; slist; slist = slist->next)
+    {
+      button = GTK_RADIO_BUTTON (slist->data);
+      if (GTK_TOGGLE_BUTTON (button)->active)
+	{
+	  if (found_selected)
+	    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), FALSE);
+	  else
+	    found_selected = TRUE;
+	}
+    }
+  /* If none are currently selected, select the first. */
+  if (!found_selected)
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (group->data), TRUE);
+}
+
+
+/* This recursively steps though a complete component's hierarchy to find
+   a radio button with a particular group name set. When found the radio
+   button's group list is returned in find_group_data->group. */
+static void
+find_group_widget (GtkWidget *widget, GladeFindGroupWidgetData *find_data)
+{
+  if (find_data->found_widget)
+    return;
+
+  if (GTK_IS_RADIO_BUTTON (widget) && GB_IS_GB_WIDGET (widget))
+    {
+      if (!strcmp (gtk_widget_get_name (widget), find_data->name))
+	{
+#if 0
+	  g_print ("Found widget: %s\n", find_data->name);
+#endif
+	  find_data->found_widget = widget;
+	  return;
+	}
+    }
+
+  if (GTK_IS_CONTAINER (widget))
+    gb_widget_children_foreach (widget, (GtkCallback) find_group_widget,
+				find_data);
+}
+
+/*
+ * Sets the properties of the widget. This is used for both applying the
+ * properties changed in the property editor, and also for loading.
+ */
+static void
+gb_radio_button_set_properties (GtkWidget * widget, GbWidgetSetArgData * data)
+{
+  gboolean state, indicator, inconsistent;
+  gchar *group_name;
+
+  gb_button_set_standard_properties (widget, data, StockButton, Label, Icon,
+				     Relief, FocusOnClick);
+
+  state = gb_widget_input_bool (data, State);
+  if (data->apply)
+    {
+      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), state);
+      if (state)
+	data->widget_data->flags |= GLADE_ACTIVE;
+      else
+	data->widget_data->flags &= ~GLADE_ACTIVE;
+    }
+
+  inconsistent = gb_widget_input_bool (data, Inconsistent);
+  if (data->apply)
+    gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (widget),
+					inconsistent);
+
+  indicator = gb_widget_input_bool (data, Indicator);
+  if (data->apply)
+    gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (widget), indicator);
+
+  /* Find any widgets in given group and set this widgets group.
+     If group is NULL try to find radiobuttons with same parent and use
+     their group. If these don't succeed, set group to NULL. */
+  group_name = gb_widget_input_combo (data, Group);
+  if (data->apply)
+    {
+      GSList *old_group, *new_group = NULL;
+
+      old_group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
+
+      if (group_name && (group_name[0] == '\0'
+			 || !strcmp (group_name, _("New Group"))))
+	group_name = NULL;
+
+      if (group_name)
+	{
+	  GladeFindGroupWidgetData find_data;
+	  GtkWidget *component;
+
+	  component = glade_util_get_toplevel (widget);
+
+	  find_data.name = group_name;
+	  find_data.found_widget = NULL;
+	  find_group_widget (component, &find_data);
+
+	  if (find_data.found_widget)
+	    new_group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (find_data.found_widget));
+	  else if (data->action == GB_LOADING)
+	    g_warning ("Invalid radio group: %s\n   (Note that forward references are not allowed in Glade files)", group_name);
+	}
+
+#if 0
+      g_print ("New Group: %p Old Group: %p\n", new_group, old_group);
+#endif
+
+      if (new_group != old_group)
+	{
+#if 0
+	  g_print ("##### setting radio group: %s\n",
+		   group_name ? group_name : "NULL");
+#endif
+	  gtk_radio_button_set_group (GTK_RADIO_BUTTON (widget), new_group);
+	}
+    }
+}
+
+
+/*
+ * Writes the source code needed to create this widget.
+ * You have to output everything necessary to create the widget here, though
+ * there are some convenience functions to help.
+ */
+static void
+gb_radio_button_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data)
+{
+  GladeFindGroupData find_data;
+  GtkWidget *group_widget;
+  gchar buffer[256], *group_name;
+
+  find_data.group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
+  find_data.found_widget = NULL;
+  gb_button_find_radio_group (glade_util_get_toplevel (widget), &find_data);
+
+  group_widget = find_data.found_widget;
+  if (!group_widget)
+    {
+      g_warning ("Radiobutton has no group");
+      group_widget = widget;
+    }
+
+  gb_button_write_standard_source (widget, data, Label);
+
+  /* Make sure the temporary group list variable is declared. */
+  group_name = (char*) gtk_widget_get_name (group_widget);
+  group_name = source_create_valid_identifier (group_name);
+  sprintf (buffer, "  GSList *%s_group = NULL;\n", group_name);
+  source_ensure_decl (data, buffer);
+
+  source_add (data,
+	      "  gtk_radio_button_set_group (GTK_RADIO_BUTTON (%s), %s_group);\n",
+	      data->wname, group_name);
+  source_add (data,
+	      "  %s_group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (%s));\n",
+	      group_name, data->wname);
+  g_free (group_name);
+
+  if (data->widget_data->flags & GLADE_ACTIVE)
+    {
+      source_add (data,
+	  "  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (%s), TRUE);\n",
+		  data->wname);
+    }
+
+  if (GTK_TOGGLE_BUTTON (widget)->inconsistent)
+    {
+      source_add (data,
+      "  gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (%s), TRUE);\n",
+		  data->wname);
+    }
+
+  if (!GTK_TOGGLE_BUTTON (widget)->draw_indicator)
+    {
+      source_add (data,
+	  "  gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (%s), FALSE);\n",
+		  data->wname);
+    }
+}
+
+
+/*
+ * Initializes the GbWidget structure.
+ * I've placed this at the end of the file so we don't have to include
+ * declarations of all the functions.
+ */
+GbWidget *
+gb_radio_button_init ()
+{
+  /* Initialise the GTK type */
+  volatile GtkType type;
+  type = gtk_radio_button_get_type ();
+
+  /* Initialize the GbWidget structure */
+  gb_widget_init_struct (&gbwidget);
+
+  /* Fill in the pixmap struct & tooltip */
+  gbwidget.pixmap_struct = radiobutton_xpm;
+  gbwidget.tooltip = _("Radio Button");
+
+  /* Fill in any functions that this GbWidget has */
+  gbwidget.gb_widget_new = gb_radio_button_new;
+  gbwidget.gb_widget_create_properties = gb_radio_button_create_properties;
+  gbwidget.gb_widget_get_properties = gb_radio_button_get_properties;
+  gbwidget.gb_widget_set_properties = gb_radio_button_set_properties;
+  gbwidget.gb_widget_create_popup_menu = gb_button_create_popup_menu;
+  gbwidget.gb_widget_write_source = gb_radio_button_write_source;
+  gbwidget.gb_widget_destroy = gb_button_destroy;
+
+  return &gbwidget;
+}