Added custom psppire-selector widget.

[pspp-builds.git] / src / ui / gui / helper.c

diff --git a/src/ui/gui/helper.c b/src/ui/gui/helper.c
index 841bda5a96706411ef24198fe25320c87dcc3722..bd6e2198f4efc7ca276dc2b04cc79645e4338534 100644 (file)
--- a/src/ui/gui/helper.c
+++ b/src/ui/gui/helper.c
@@ -1,5 +1,15 @@
+/* This file is a rubbish bin where stuff gets put when it doesn't seem to
+   belong anywhere else.
+*/
+#include <config.h>
+
+#include <glib.h>
 #include "helper.h"
+#include "message-dialog.h"
 #include <data/data-in.h>
+#include <data/data-out.h>
+#include <data/dictionary.h>
+#include <data/storage-stream.h>
 #include <libpspp/message.h>
 
 #include <libpspp/i18n.h>
@@ -8,80 +18,169 @@
 #include <string.h>
 #include <data/settings.h>
 
-/* Formats a value according to FORMAT 
+#include <language/command.h>
+#include <data/procedure.h>
+#include <language/lexer/lexer.h>
+#include "psppire-data-store.h"
+
+
+#include <gettext.h>
+
+/* Formats a value according to FORMAT
    The returned string must be freed when no longer required */
 gchar *
-value_to_text(union value v, struct fmt_spec format)
+value_to_text (union value v, struct fmt_spec format)
 {
   gchar *s = 0;
 
-  s = g_new(gchar, format.w + 1);
-  if ( ! data_out(s, &format, &v) ) 
-    {
-      g_warning("Can't format missing discrete value \n");
-    }
+  s = g_new (gchar, format.w + 1);
+  data_out (&v, &format, s);
   s[format.w]='\0';
-  g_strchug(s);
+  g_strchug (s);
 
   return s;
 }
 
 
 
-gboolean 
-text_to_value(const gchar *text, union value *v, 
+gboolean
+text_to_value (const gchar *text, union value *v,
              struct fmt_spec format)
 {
-  struct data_in di;
+  bool ok;
 
-  if ( format.type != FMT_A) 
+  if ( format.type != FMT_A)
     {
       if ( ! text ) return FALSE;
 
       {
        const gchar *s = text;
-       while(*s) 
+       while (*s)
          {
-           if ( !isspace(*s))
+           if ( !isspace (*s))
              break;
            s++;
          }
- 
+
        if ( !*s) return FALSE;
       }
     }
 
-  di.s = text;
-  di.e = text + strlen(text);
-  di.v = v;
-  di.flags = DI_IGNORE_ERROR;
-  di.f1 = di.f2 = 0;
-  di.format = format;
-  
-  return data_in(&di);
+  msg_disable ();
+  ok = data_in (ss_cstr (text), format.type, 0, 0,
+                v, fmt_var_width (&format));
+  msg_enable ();
 
+  return ok;
 }
 
 
 GtkWidget *
-get_widget_assert(GladeXML *xml, const gchar *name)
+get_widget_assert (GladeXML *xml, const gchar *name)
 {
   GtkWidget *w;
-  g_assert(xml);
-  g_assert(name);
-  
-  w = glade_xml_get_widget(xml, name);
+  g_assert (xml);
+  g_assert (name);
+
+  w = glade_xml_get_widget (xml, name);
 
-  if ( !w ) 
-    g_warning("Widget \"%s\" could not be found\n", name);
+  if ( !w )
+    g_warning ("Widget \"%s\" could not be found\n", name);
 
   return w;
 }
 
-/* Converts a string in the pspp locale to utf-8 */
-char *
-pspp_locale_to_utf8(const gchar *text, gssize len, GError **err)
+/* Converts a string in the pspp locale to utf-8.
+   The return value must be freed when no longer required*/
+gchar *
+pspp_locale_to_utf8 (const gchar *text, gssize len, GError **err)
+{
+  return recode_string (CONV_PSPP_TO_UTF8, text, len);
+}
+
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+
+static void
+give_help (void)
+{
+  static struct msg m = {
+    MSG_GENERAL,
+    MSG_NOTE,
+    {0, -1},
+    0,
+  };
+
+  if (! m.text)
+    m.text=g_strdup (_("Sorry. The help system hasn't yet been implemented."));
+
+  popup_message (&m);
+}
+
+void
+connect_help (GladeXML *xml)
+{
+  GList *helps = glade_xml_get_widget_prefix (xml, "help_button_");
+
+  GList *i;
+  for ( i = g_list_first (helps); i ; i = g_list_next (i))
+    g_signal_connect (GTK_WIDGET (i->data), "clicked", give_help, 0);
+}
+
+
+
+void
+reference_manual (GtkMenuItem *menu, gpointer data)
 {
-  return recode_string(CONV_PSPP_TO_UTF8, text, len);
+  GError *err = NULL;
+  if ( ! g_spawn_command_line_async ("yelp info:pspp", &err) )
+    {
+      msg (ME, _("Cannot open reference manual: %s"), err->message);
+    }
+  g_clear_error (&err);
+}
+
+
+extern struct dataset *the_dataset;
+extern struct source_stream *the_source_stream;
+extern PsppireDataStore *the_data_store;
+
+gboolean
+execute_syntax (struct getl_interface *sss)
+{
+  struct lexer *lexer;
+
+  g_return_val_if_fail (proc_has_source (the_dataset), FALSE);
+
+  lexer = lex_create (the_source_stream);
+
+  getl_append_source (the_source_stream, sss);
+
+  for (;;)
+    {
+      int result = cmd_parse (lexer, the_dataset);
+
+      if (result == CMD_EOF || result == CMD_FINISH)
+       break;
+    }
+
+  getl_abort_noninteractive (the_source_stream);
+
+  lex_destroy (lexer);
+
+  /* The GUI must *always* have a data source, even if it's an empty one.
+     Therefore, we find that there is none, (for example NEW FILE was the last
+     item in the syntax) then we create a new one. */
+  if ( ! proc_has_source (the_dataset))
+    proc_set_source (the_dataset,
+                    storage_source_create (the_data_store->case_file->flexifile)
+                    );
+
+  /* GUI syntax needs this implicit EXECUTE command at the end of
+     every script.  Otherwise commands like GET could leave the GUI without
+     a casefile. */
+  return procedure (the_dataset, NULL, NULL);
 }
 
+