nautilus-widgets/nautilus-string-picker.c, New widget to pick a string

* nautilus-widgets/nautilus-string-picker.c,
* nautilus-widgets/nautilus-string-picker.h:
New widget to pick a string from a list.

* nautilus-widgets/test-nautilus-preferences.c:
New test program.  Test prefrences things.

* nautilus-widgets/test-nautilus-widgets.c:
Remove preference tests.  Test only non preference widgetry.

* nautilus-widgets/Makefile.am,
* nautilus-widgets/.cvsignore:
Add test-nautilus-preferences.

1 files changed, 264 insertions, 0 deletions

diff --git a/libnautilus-private/nautilus-string-picker.c b/libnautilus-private/nautilus-string-picker.c
new file mode 100644
index 000000000..c2922ed37
--- /dev/null
+++ b/libnautilus-private/nautilus-string-picker.c
@@ -0,0 +1,264 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* nautilus-string-picker.c - A widget to pick a string from a list.
+
+   Copyright (C) 1999, 2000 Eazel, Inc.
+
+   The Gnome Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The Gnome Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Gnome Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+   Authors: Ramiro Estrugo <ramiro@eazel.com>
+*/
+
+#include <config.h>
+
+#include <nautilus-widgets/nautilus-string-picker.h>
+#include <libnautilus-extensions/nautilus-gtk-macros.h>
+#include <libnautilus-extensions/nautilus-glib-extensions.h>
+
+#include <gtk/gtklabel.h>
+#include <gtk/gtkcombo.h>
+
+#include <gtk/gtksignal.h>
+
+static const gint STRING_PICKER_INVALID = -1;
+static const gint STRING_PICKER_SPACING = 10;
+
+/* Signals */
+typedef enum
+{
+	CHANGED,
+	LAST_SIGNAL
+} RadioGroupSignals;
+
+struct _NautilusStringPickerDetail
+{
+	GtkWidget	*title_label;
+	GtkWidget	*combo_box;
+};
+
+/* NautilusStringPickerClass methods */
+static void nautilus_string_picker_initialize_class (NautilusStringPickerClass *klass);
+static void nautilus_string_picker_initialize       (NautilusStringPicker      *string_picker);
+
+
+/* GtkObjectClass methods */
+static void nautilus_string_picker_destroy          (GtkObject                 *object);
+
+
+/* Private stuff */
+static GtkEntry * string_picker_get_entry_widget       (NautilusStringPicker      *string_picker);
+
+/* Editable (entry) callbacks */
+static void entry_changed_callback                  (GtkWidget                 *entry,
+						     gpointer                   user_data);
+
+NAUTILUS_DEFINE_CLASS_BOILERPLATE (NautilusStringPicker, nautilus_string_picker, GTK_TYPE_HBOX)
+
+static guint string_picker_signals[LAST_SIGNAL] = { 0 };
+
+/*
+ * NautilusStringPickerClass methods
+ */
+static void
+nautilus_string_picker_initialize_class (NautilusStringPickerClass *string_picker_class)
+{
+	GtkObjectClass *object_class;
+	GtkWidgetClass *widget_class;
+	
+	object_class = GTK_OBJECT_CLASS (string_picker_class);
+	widget_class = GTK_WIDGET_CLASS (string_picker_class);
+
+ 	parent_class = gtk_type_class (gtk_hbox_get_type ());
+
+	/* GtkObjectClass */
+	object_class->destroy = nautilus_string_picker_destroy;
+
+	/* Signals */
+	string_picker_signals[CHANGED] =
+		gtk_signal_new ("changed",
+				GTK_RUN_LAST,
+				object_class->type,
+				0,
+				gtk_marshal_NONE__NONE,
+				GTK_TYPE_NONE, 
+				0);
+
+	gtk_object_class_add_signals (object_class, string_picker_signals, LAST_SIGNAL);
+}
+
+static void
+nautilus_string_picker_initialize (NautilusStringPicker *string_picker)
+{
+	string_picker->detail = g_new (NautilusStringPickerDetail, 1);
+
+	gtk_box_set_homogeneous (GTK_BOX (string_picker), FALSE);
+	gtk_box_set_spacing (GTK_BOX (string_picker), STRING_PICKER_SPACING);
+
+	string_picker->detail->title_label = gtk_label_new ("Title Label:");
+	string_picker->detail->combo_box = gtk_combo_new ();
+
+	gtk_entry_set_editable (string_picker_get_entry_widget (string_picker), FALSE);
+
+	gtk_box_pack_start (GTK_BOX (string_picker),
+			    string_picker->detail->title_label,
+			    FALSE,	/* expand */
+			    TRUE,	/* fill */
+			    0);		/* padding */
+	
+	gtk_box_pack_end (GTK_BOX (string_picker),
+			  string_picker->detail->combo_box,
+			  TRUE,		/* expand */
+			  TRUE,		/* fill */
+			  0);		/* padding */
+
+	gtk_signal_connect (GTK_OBJECT (string_picker_get_entry_widget (string_picker)),
+			    "changed",
+			    GTK_SIGNAL_FUNC (entry_changed_callback),
+			    (gpointer) string_picker);
+	
+	gtk_widget_show (string_picker->detail->title_label);
+	gtk_widget_show (string_picker->detail->combo_box);
+}
+
+/*
+ * GtkObjectClass methods
+ */
+static void
+nautilus_string_picker_destroy(GtkObject* object)
+{
+	NautilusStringPicker * string_picker;
+	
+	g_return_if_fail (object != NULL);
+	g_return_if_fail (NAUTILUS_IS_STRING_PICKER (object));
+	
+	string_picker = NAUTILUS_STRING_PICKER (object);
+
+	g_free (string_picker->detail);
+
+	/* Chain */
+	NAUTILUS_CALL_PARENT_CLASS (GTK_OBJECT_CLASS, destroy, (object));
+}
+
+/*
+ * Private stuff
+ */
+static GtkEntry *
+string_picker_get_entry_widget (NautilusStringPicker *string_picker)
+{
+	g_assert (string_picker != NULL);
+	g_assert (NAUTILUS_IS_STRING_PICKER (string_picker));
+
+	return GTK_ENTRY (GTK_COMBO (string_picker->detail->combo_box)->entry);
+}	
+
+/*
+ * Editable (entry) callbacks
+ */
+static void
+entry_changed_callback (GtkWidget *entry, gpointer user_data)
+{
+	const char *entry_text;
+
+	NautilusStringPicker *string_picker;
+
+	g_assert (user_data != NULL);
+	g_assert (NAUTILUS_IS_STRING_PICKER (user_data));
+
+	string_picker = NAUTILUS_STRING_PICKER (user_data);
+
+	/* WATCHOUT: 
+	 * As of gtk1.2, gtk_entry_get_text() returns a non const reference to
+	 * the internal string.
+	 */
+	entry_text = (const char *) gtk_entry_get_text (string_picker_get_entry_widget (string_picker));
+
+	gtk_signal_emit (GTK_OBJECT (string_picker), string_picker_signals[CHANGED]);
+}
+
+/*
+ * NautilusStringPicker public methods
+ */
+GtkWidget*
+nautilus_string_picker_new (void)
+{
+	NautilusStringPicker *string_picker;
+
+	string_picker = gtk_type_new (nautilus_string_picker_get_type ());
+	
+	return GTK_WIDGET (string_picker);
+}
+
+/**
+ * nautilus_string_picker_set_string_list:
+ * @string_picker: A NautilusStringPicker
+ *
+ * Returns: The index of the active button.  There is always one active by law.
+ */
+void
+nautilus_string_picker_set_string_list (NautilusStringPicker		*string_picker,
+					const NautilusStringList	*string_list)
+{
+	GList *strings;
+
+ 	g_return_if_fail (string_picker != NULL);
+	g_return_if_fail (NAUTILUS_IS_STRING_PICKER (string_picker));
+
+	strings = nautilus_string_list_as_g_list (string_list);
+
+	gtk_combo_set_popdown_strings (GTK_COMBO (string_picker->detail->combo_box), strings);
+
+	nautilus_g_list_free_deep (strings);
+}
+
+/**
+ * nautilus_string_picker_set_title_label:
+ * @string_picker: A NautilusStringPicker
+ * @title_label: The title label
+ *
+ */
+void
+nautilus_string_picker_set_title_label (NautilusStringPicker		*string_picker,
+					const char			*title_label)
+{
+ 	g_return_if_fail (string_picker != NULL);
+	g_return_if_fail (NAUTILUS_IS_STRING_PICKER (string_picker));
+	g_return_if_fail (title_label != NULL);
+
+	gtk_label_set_text (GTK_LABEL (string_picker->detail->title_label), title_label);
+}
+
+/**
+ * nautilus_string_picker_get_text
+ * @string_picker: A NautilusStringPicker
+ *
+ * Returns: A copy of the currently selected text.  Need to g_free() it.
+ */
+char *
+nautilus_string_picker_get_text (NautilusStringPicker *string_picker)
+{
+	const char *entry_text;
+
+ 	g_return_val_if_fail (string_picker != NULL, NULL);
+	g_return_val_if_fail (NAUTILUS_IS_STRING_PICKER (string_picker), NULL);
+
+	/* WATCHOUT: 
+	 * As of gtk1.2, gtk_entry_get_text() returns a non const reference to
+	 * the internal string.
+	 */
+	entry_text = (const char *) gtk_entry_get_text (string_picker_get_entry_widget (string_picker));
+
+	return g_strdup (entry_text);
+}