Added new files resulting from directory restructuring.

[pspp-builds.git] / lib / gtksheet / gtkextra.c

diff --git a/lib/gtksheet/gtkextra.c b/lib/gtksheet/gtkextra.c
new file mode 100644 (file)
index 0000000..65bd374
--- /dev/null
+++ b/lib/gtksheet/gtkextra.c
@@ -0,0 +1,135 @@
+/* gtkextra
+ * Copyright 1999-2001 Adrian E. Feiguin <feiguin@ifir.edu.ar>
+ *
+ * This 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.
+ *
+ * This 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 this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <string.h>
+#include <gtk/gtk.h>
+#include "gtkextrafeatures.h"
+#include <gobject/gvaluecollector.h>
+
+const guint gtkextra_major_version = GTKEXTRA_MAJOR_VERSION;
+const guint gtkextra_minor_version = GTKEXTRA_MINOR_VERSION;
+const guint gtkextra_micro_version = GTKEXTRA_MICRO_VERSION;
+const guint gtkextra_binary_age = GTKEXTRA_BINARY_AGE;
+const guint gtkextra_interface_age = GTKEXTRA_INTERFACE_AGE;
+
+gchar * 
+gtkextra_check_version (guint required_major,
+                        guint required_minor,
+                        guint required_micro)
+{
+  if (required_major > GTKEXTRA_MAJOR_VERSION)
+    return "GtkExtra version too old (major mismatch)";
+  if (required_major < GTKEXTRA_MAJOR_VERSION)
+    return "GtkExtra version too new (major mismatch)";
+  if (required_minor > GTKEXTRA_MINOR_VERSION)
+    return "GtkExtra version too old (minor mismatch)";
+  if (required_minor < GTKEXTRA_MINOR_VERSION)
+    return "GtkExtra version too new (minor mismatch)";
+  if (required_micro < GTKEXTRA_MICRO_VERSION - GTKEXTRA_BINARY_AGE)
+    return "GtkExtra version too new (micro mismatch)";
+  if (required_micro > GTKEXTRA_MICRO_VERSION)
+    return "GtkExtra version too old (micro mismatch)";
+  return NULL;
+}
+
+/*
+void
+_gtkextra_signal_test(GtkObject *object, guint signal_id, gint arg1, gint arg2, gboolean *default_ret)
+{
+  gboolean result;
+  GValue ret = { 0, };
+  GValue instance_and_param[3] = { { 0, }, {0, }, {0, } };
+
+  g_value_init(instance_and_param + 0, GTK_OBJECT_TYPE(object));
+  g_value_set_instance(instance_and_param + 0, G_OBJECT(object));
+
+  g_value_init(instance_and_param + 1, G_TYPE_INT);
+  g_value_set_int(instance_and_param + 1, arg1);
+
+  g_value_init(instance_and_param + 2, G_TYPE_INT);
+  g_value_set_int(instance_and_param + 2, arg2);
+
+  g_value_init(&ret, G_TYPE_BOOLEAN);
+  g_value_set_boolean(&ret, *default_ret);
+
+  g_signal_emitv(instance_and_param, signal_id, 0, &ret);
+  *default_ret = g_value_get_boolean(&ret);
+
+  g_value_unset(instance_and_param + 0);
+  g_value_unset(instance_and_param + 1);
+  g_value_unset(instance_and_param + 2);
+}
+*/
+
+void
+_gtkextra_signal_emit(GtkObject *object, guint signal_id, ...)
+{
+  gboolean *result;
+  GValue ret = { 0, };
+  GValue instance_and_params [10] = { {0, }, };
+  va_list var_args;
+  GSignalQuery query;
+  gchar *error;
+  int i;
+
+  va_start (var_args, signal_id);
+
+  g_value_init(instance_and_params + 0, GTK_OBJECT_TYPE(object));
+  g_value_set_instance (instance_and_params + 0, G_OBJECT(object));
+
+  g_signal_query(signal_id, &query);
+
+  for (i = 0; i < query.n_params; i++)
+    {
+      gboolean static_scope = query.param_types[i]&~G_SIGNAL_TYPE_STATIC_SCOPE;
+      g_value_init(instance_and_params + i + 1, query.param_types[i]);
+
+
+      G_VALUE_COLLECT (instance_and_params + i + 1,
+                       var_args,
+                       static_scope ? G_VALUE_NOCOPY_CONTENTS : 0,
+                       &error);
+
+      if (error)
+        {
+          g_warning ("%s: %s", G_STRLOC, error);
+          g_free (error);
+          while (i-- > 0)
+            g_value_unset (instance_and_params + i);
+
+          va_end (var_args);
+          return;
+        }
+  
+
+    }
+
+  g_value_init(&ret, query.return_type);
+  result = va_arg(var_args,gboolean *);
+  g_value_set_boolean(&ret, *result);    
+  g_signal_emitv(instance_and_params, signal_id, 0, &ret);
+  *result = g_value_get_boolean(&ret);    
+  g_value_unset (&ret);
+
+  for (i = 0; i < query.n_params; i++)
+    g_value_unset (instance_and_params + 1 + i);
+  g_value_unset (instance_and_params + 0);
+
+  va_end (var_args);
+}