1 files changed, 439 insertions, 0 deletions

diff --git a/tools/glade/glade/gbwidgets/gbcombo.c b/tools/glade/glade/gbwidgets/gbcombo.c
new file mode 100644
index 00000000..3ba0536a
--- /dev/null
+++ b/tools/glade/glade/gbwidgets/gbcombo.c
@@ -0,0 +1,439 @@
+
+/*  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/gtkcombo.h>
+#include <gtk/gtklabel.h>
+#include <gtk/gtklist.h>
+#include "../gb.h"
+
+/* Include the 21x21 icon pixmap for this widget, to be used in the palette */
+#include "../graphics/combo.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;
+
+/* These 2 are stored in the widget's datalist since otherwise GtkCombo starts
+   to grab the pointer if invalid values are entered which causes problems. */
+static gchar *ValueInList = "GtkCombo::value_in_list";
+static gchar *OKIfEmpty = "GtkCombo::allow_empty";
+
+static gchar *Case = "GtkCombo::case_sensitive";
+static gchar *Arrows = "GtkCombo::enable_arrow_keys";
+static gchar *Always = "GtkCombo::enable_arrows_always";
+static gchar *Items = "GtkCombo::items";
+
+static void add_label (GtkWidget * widget, GString * items);
+
+static gint is_simple_combo (GtkWidget * widget);
+static void is_simple_combo_callback (GtkWidget * widget,
+				      gint * num_children);
+static void write_items_source_callback (GtkWidget * item,
+					 GbWidgetWriteSourceData * 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.
+ ******/
+
+/*
+ * Creates a new GtkWidget of class GtkCombo, 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_combo_new(GbWidgetNewData *data)
+{
+  GtkWidget *new_widget;
+
+  new_widget = gtk_combo_new ();
+
+  /* There is no way to move up from the popup list window to the combo, so
+     we have to add a pointer here. It is used in glade_util_get_parent ().
+     We don't add a ref to it, in case it messes up the normal widget code. */
+  gtk_object_set_data (GTK_OBJECT (GTK_COMBO (new_widget)->popwin),
+		       GladeParentKey, new_widget);
+
+  gb_widget_create_from (GTK_COMBO (new_widget)->entry,
+			 data->action == GB_CREATING ? "combo-entry" : NULL);
+  gb_widget_set_child_name (GTK_COMBO (new_widget)->entry, GladeChildComboEntry);
+
+  gb_widget_create_from (GTK_COMBO (new_widget)->list,
+			 data->action == GB_CREATING ? "combo-list" : NULL);
+  gb_widget_set_child_name (GTK_COMBO (new_widget)->list, GladeChildComboList);
+
+  /* This defaults to TRUE. */
+  gtk_object_set_data (GTK_OBJECT (new_widget), OKIfEmpty, "TRUE");
+
+  /* FIXME: GTK+ 1.3 temporary hack to workaround problems. */
+  gtk_signal_handler_block (GTK_OBJECT (GTK_COMBO (new_widget)->entry),
+			    GTK_COMBO (new_widget)->entry_change_id);
+
+  return new_widget;
+}
+
+
+
+/*
+ * Creates the components needed to edit the extra properties of this widget.
+ */
+static void
+gb_combo_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data)
+{
+  property_add_bool (ValueInList, _("Value In List:"),
+		     _("If the value must be in the list"));
+  property_add_bool (OKIfEmpty, _("OK If Empty:"),
+		     _("If an empty value is acceptable, when 'Value In List' is set"));
+  property_add_bool (Case, _("Case Sensitive:"),
+		     _("If the searching is case sensitive"));
+  property_add_bool (Arrows, _("Use Arrows:"),
+		     _("If arrows can be used to change the value"));
+  property_add_bool (Always, _("Use Always:"),
+		     _("If arrows work even if the value is not in the list"));
+  property_add_text (Items, _("Items:"),
+		     _("The items in the combo list, one per line"), 5);
+}
+
+
+
+/*
+ * 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_combo_get_properties (GtkWidget * widget, GbWidgetGetArgData * data)
+{
+  gb_widget_output_bool (data, ValueInList,
+			 gtk_object_get_data (GTK_OBJECT (widget), ValueInList)
+			 != NULL ? TRUE : FALSE);
+  gb_widget_output_bool (data, OKIfEmpty,
+			 gtk_object_get_data (GTK_OBJECT (widget), OKIfEmpty)
+			 != NULL ? TRUE : FALSE);
+  gb_widget_output_bool (data, Case, GTK_COMBO (widget)->case_sensitive);
+  gb_widget_output_bool (data, Arrows, GTK_COMBO (widget)->use_arrows);
+  gb_widget_output_bool (data, Always, GTK_COMBO (widget)->use_arrows_always);
+
+  if (data->action == GB_SHOWING && is_simple_combo (widget) >= 0)
+    {
+      GString *items;
+
+      items = g_string_new ("");
+      gtk_container_foreach (GTK_CONTAINER (GTK_COMBO (widget)->list),
+			     (GtkCallback) add_label, items);
+      gb_widget_output_translatable_text_in_lines (data, Items, items->str);
+      g_string_free (items, TRUE);
+    }
+}
+
+/* Adds combo label text to buffer, or sets first char to -1 if it won't fit.
+ */
+static void
+add_label (GtkWidget * widget, GString *items)
+{
+  const gchar *label_text;
+
+  label_text = gtk_label_get_text (GTK_LABEL (GTK_BIN (widget)->child));
+  g_string_append (items, label_text);
+  g_string_append_c (items, '\n');
+}
+
+
+/* Returns number of items in combo list, or -1 if not a simple combo (not
+   all children are labels). */
+static gint
+is_simple_combo (GtkWidget * widget)
+{
+  gint num_children = 0;
+
+  gtk_container_foreach (GTK_CONTAINER (GTK_COMBO (widget)->list),
+		     (GtkCallback) is_simple_combo_callback, &num_children);
+  return num_children;
+}
+
+
+/* Sets flag to FALSE if list item's child widget is not a label. */
+static void
+is_simple_combo_callback (GtkWidget * widget, gint * num_children)
+{
+  /* If we've already found an item which isn't a simple label, just return. */
+  if (*num_children == -1)
+    return;
+
+  /* If the items isn't a simple label, set num_children to -1, else add 1. */
+  if (!GTK_IS_LABEL (GTK_BIN (widget)->child))
+    *num_children = -1;
+  else
+    *num_children += 1;
+}
+
+
+/*
+ * 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_combo_set_properties (GtkWidget * widget, GbWidgetSetArgData * data)
+{
+  gboolean value_in_list, ok_if_empty, case_sensitive, arrows, arrows_always;
+  gchar *items;
+
+  value_in_list = gb_widget_input_bool (data, ValueInList);
+  if (data->apply)
+    {
+      gtk_object_set_data (GTK_OBJECT (widget), ValueInList,
+			   value_in_list ? "TRUE" : NULL);
+    }
+
+  ok_if_empty = gb_widget_input_bool (data, OKIfEmpty);
+  if (data->apply)
+    {
+      gtk_object_set_data (GTK_OBJECT (widget), OKIfEmpty,
+			   ok_if_empty ? "TRUE" : NULL);
+    }
+
+  case_sensitive = gb_widget_input_bool (data, Case);
+  if (data->apply)
+    gtk_combo_set_case_sensitive (GTK_COMBO (widget), case_sensitive);
+  arrows = gb_widget_input_bool (data, Arrows);
+  if (data->apply)
+    gtk_combo_set_use_arrows (GTK_COMBO (widget), arrows);
+  arrows_always = gb_widget_input_bool (data, Always);
+  if (data->apply)
+    gtk_combo_set_use_arrows_always (GTK_COMBO (widget), arrows_always);
+
+  if (data->action == GB_APPLYING)
+    {
+      items = gb_widget_input_text (data, Items);
+      if (data->apply)
+	{
+	  GtkWidget *list = GTK_COMBO (widget)->list;
+	  GtkWidget *listitem;
+	  gchar *pos = items;
+	  gchar *items_end = &items[strlen (items)];
+
+	  gtk_list_clear_items (GTK_LIST (list), 0, -1);
+
+	  while (pos < items_end)
+	    {
+	      gchar *item_end = strchr (pos, '\n');
+	      if (item_end == NULL)
+		item_end = items_end;
+	      *item_end = '\0';
+
+	      listitem = gb_widget_new ("GtkListItem", list);
+	      gtk_label_set_text (GTK_LABEL (GTK_BIN (listitem)->child), pos);
+	      gtk_widget_show (listitem);
+	      gtk_container_add (GTK_CONTAINER (list), listitem);
+
+	      if (item_end != items_end)
+		*item_end = '\n';
+
+	      pos = item_end + 1;
+	    }
+
+	  g_free (items);
+	}
+    }
+}
+
+
+
+/*
+ * Adds menu items to a context menu which is just about to appear!
+ * Add commands to aid in editing a GtkCombo, with signals pointing to
+ * other functions in this file.
+ */
+/*
+   static void
+   gb_combo_create_popup_menu(GtkWidget *widget, GbWidgetCreateMenuData *data)
+   {
+
+   }
+ */
+
+
+
+/*
+ * 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_combo_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data)
+{
+  gchar *wname, *child_name;
+  gboolean value_in_list, ok_if_empty;
+  gboolean translatable, context;
+  gchar *comments;
+
+  if (data->create_widget)
+    {
+      source_add (data, "  %s = gtk_combo_new ();\n", data->wname);
+    }
+
+  /* We store a pointer to the popup window's parent combo, so lookup_widget()
+     will still work when the popup window is passed as the first arg. */
+  source_add (data,
+	      "  g_object_set_data (G_OBJECT (GTK_COMBO (%s)->popwin),\n"
+	      "                     \"GladeParentKey\", %s);\n",
+	      data->wname, data->wname);
+
+  gb_widget_write_standard_source (widget, data);
+
+  value_in_list = gtk_object_get_data (GTK_OBJECT (widget), ValueInList)
+    != NULL ? TRUE : FALSE;
+  if (value_in_list)
+    {
+      ok_if_empty = gtk_object_get_data (GTK_OBJECT (widget), OKIfEmpty)
+	!= NULL ? TRUE : FALSE;
+      source_add (data,
+		  "  gtk_combo_set_value_in_list (GTK_COMBO (%s), %s, %s);\n",
+		  data->wname,
+		  value_in_list ? "TRUE" : "FALSE",
+		  ok_if_empty ? "TRUE" : "FALSE");
+    }
+
+
+  if (GTK_COMBO (widget)->case_sensitive)
+    {
+      source_add (data,
+		  "  gtk_combo_set_case_sensitive (GTK_COMBO (%s), TRUE);\n",
+		  data->wname);
+    }
+  if (!GTK_COMBO (widget)->use_arrows)
+    {
+      source_add (data,
+		  "  gtk_combo_set_use_arrows (GTK_COMBO (%s), FALSE);\n",
+		  data->wname);
+    }
+  if (GTK_COMBO (widget)->use_arrows_always)
+    {
+      source_add (data,
+		  "  gtk_combo_set_use_arrows_always (GTK_COMBO (%s), TRUE);\n",
+		  data->wname);
+    }
+
+  if (is_simple_combo (widget) > 0)
+    {
+      gboolean old_use_gettext;
+
+      source_add_decl (data, "  GList *%s_items = NULL;\n", data->real_wname);
+
+      glade_util_get_translation_properties (widget, Items, &translatable,
+					     &comments, &context);
+
+      /* Temporarily set data->use_gettext to take the translatable flag for
+	 this property into account, so our callback can use that. */
+      old_use_gettext = data->use_gettext;
+      data->use_gettext = data->use_gettext && translatable ? TRUE : FALSE;
+      gtk_container_foreach (GTK_CONTAINER (GTK_COMBO (widget)->list),
+			   (GtkCallback) write_items_source_callback, data);
+      data->use_gettext = old_use_gettext;
+
+      source_add (data,
+		  "  gtk_combo_set_popdown_strings (GTK_COMBO (%s), %s_items);\n",
+		  data->wname, data->real_wname);
+      source_add (data, "  g_list_free (%s_items);\n", data->real_wname);
+    }
+
+
+  /* We output the source code for the children here, since the code should
+     not include calls to create the widgets. We need to specify that the
+     names used are like: "GTK_COMBO (<combo-name>)->entry".
+     We need to remember the dialog's name since data->wname
+     will be overwritten. */
+  wname = g_strdup (data->wname);
+
+  source_add (data, "\n");
+  child_name = (gchar*) gtk_widget_get_name (GTK_COMBO (widget)->entry);
+  child_name = source_create_valid_identifier (child_name);
+  source_add (data, "  %s = GTK_COMBO (%s)->entry;\n",
+	      child_name, wname);
+  g_free (child_name);
+  data->create_widget = FALSE;
+  gb_widget_write_source (GTK_COMBO (widget)->entry, data);
+
+  g_free (wname);
+  data->write_children = FALSE;
+}
+
+
+static void
+write_items_source_callback (GtkWidget * item, GbWidgetWriteSourceData * data)
+{
+  const gchar *label_text;
+  label_text = gtk_label_get_text (GTK_LABEL (GTK_BIN (item)->child));
+  /* The (gpointer) cast is just to keep g++ happy. */
+  source_add (data, "  %s_items = g_list_append (%s_items, (gpointer) %s);\n",
+	      data->real_wname, data->real_wname,
+	      source_make_string (label_text, data->use_gettext));
+}
+
+
+static GtkWidget *
+gb_combo_get_child (GtkWidget * widget,
+		    const gchar * child_name)
+{
+  if (!strcmp (child_name, GladeChildComboEntry))
+    return GTK_COMBO (widget)->entry;
+  else if (!strcmp (child_name, GladeChildComboList))
+    return GTK_COMBO (widget)->list;
+  else
+    return NULL;
+}
+
+
+/*
+ * 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_combo_init ()
+{
+  /* Initialise the GTK type */
+  volatile GtkType type;
+  type = gtk_combo_get_type ();
+
+  /* Initialize the GbWidget structure */
+  gb_widget_init_struct (&gbwidget);
+
+  /* Fill in the pixmap struct & tooltip */
+  gbwidget.pixmap_struct = combo_xpm;
+  gbwidget.tooltip = _("Combo Box");
+
+  /* Fill in any functions that this GbWidget has */
+  gbwidget.gb_widget_new               = gb_combo_new;
+  gbwidget.gb_widget_create_properties = gb_combo_create_properties;
+  gbwidget.gb_widget_get_properties = gb_combo_get_properties;
+  gbwidget.gb_widget_set_properties = gb_combo_set_properties;
+  gbwidget.gb_widget_get_child = gb_combo_get_child;
+  gbwidget.gb_widget_write_source = gb_combo_write_source;
+/*
+   gbwidget.gb_widget_create_popup_menu = gb_combo_create_popup_menu;
+ */
+
+  return &gbwidget;
+}