Added menuitem to display the PSPP reference manual.

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

diff --git a/src/ui/gui/data-editor.c b/src/ui/gui/data-editor.c
index d37e52ebf8b5cf2e0a27a9da73a711e6e055b97b..5c2eaf4f30b29b65d111ba9d396215507c9fd05d 100644 (file)
--- a/src/ui/gui/data-editor.c
+++ b/src/ui/gui/data-editor.c
@@ -40,6 +40,7 @@
 #include "psppire-data-store.h"
 #include "psppire-var-store.h"
 
+
 /* Switch between the VAR SHEET and the DATA SHEET */
 enum {PAGE_DATA_SHEET = 0, PAGE_VAR_SHEET};
 
@@ -72,6 +73,31 @@ static void value_labels_toggled (GtkToggleToolButton *, gpointer);
 
 static void file_quit (GtkCheckMenuItem *, gpointer );
 
+static void on_clear_activate (GtkMenuItem *, gpointer);
+
+static void
+enable_edit_clear (GtkWidget *w, gint row, gpointer data)
+{
+  struct data_editor *de = data;
+
+  GtkWidget *menuitem = get_widget_assert (de->xml, "edit_clear");
+
+  gtk_widget_set_sensitive (menuitem, TRUE);
+}
+
+static gboolean
+disable_edit_clear (GtkWidget *w, gint x, gint y, gpointer data)
+{
+  struct data_editor *de = data;
+
+  GtkWidget *menuitem = get_widget_assert (de->xml, "edit_clear");
+
+  gtk_widget_set_sensitive (menuitem, FALSE);
+
+  return FALSE;
+}
+
+
 
 /*
   Create a new data editor.
@@ -88,6 +114,8 @@ new_data_editor (void)
 
   de->xml = glade_xml_new (PKGDATADIR "/data-editor.glade", NULL, NULL);
 
+  connect_help (de->xml);
+
   e->window = get_widget_assert (de->xml, "data_editor");
 
   g_signal_connect (get_widget_assert (de->xml,"file_new_data"),
@@ -110,12 +138,27 @@ new_data_editor (void)
                    G_CALLBACK (open_syntax_window),
                    e->window);
 
+
+  g_signal_connect (get_widget_assert (de->xml,"edit_clear"),
+                   "activate",
+                   G_CALLBACK (on_clear_activate),
+                   de);
+
+
+
   g_signal_connect (get_widget_assert (de->xml,"help_about"),
                    "activate",
                    G_CALLBACK (about_new),
                    e->window);
 
 
+  g_signal_connect (get_widget_assert (de->xml,"help_reference"),
+                   "activate",
+                   G_CALLBACK (reference_manual),
+                   e->window);
+
+
+
   g_signal_connect (get_widget_assert (de->xml,"data_sheet"),
                    "double-click-column",
                    G_CALLBACK (click2column),
@@ -128,6 +171,17 @@ new_data_editor (void)
                    de);
 
 
+  g_signal_connect (get_widget_assert (de->xml, "variable_sheet"),
+                   "select-row",
+                   GTK_SIGNAL_FUNC (enable_edit_clear),
+                   de);
+
+  g_signal_connect (get_widget_assert (de->xml, "variable_sheet"),
+                   "activate",
+                   GTK_SIGNAL_FUNC (disable_edit_clear),
+                   de);
+
+
   g_signal_connect (get_widget_assert (de->xml, "notebook"),
                    "switch-page",
                    G_CALLBACK (data_var_select), de);
@@ -481,3 +535,42 @@ file_quit (GtkCheckMenuItem *menuitem, gpointer data)
   */
   gtk_main_quit ();
 }
+
+
+
+/* Callback for when the Clear item in the edit menu is activated */
+static void
+on_clear_activate (GtkMenuItem *menuitem, gpointer data)
+{
+  struct data_editor *de = data;
+
+  GtkNotebook *notebook = GTK_NOTEBOOK (get_widget_assert (de->xml,
+                                                          "notebook"));
+
+  switch ( gtk_notebook_get_current_page (notebook) )
+    {
+    case PAGE_VAR_SHEET:
+      {
+       GtkSheet *var_sheet =
+         GTK_SHEET (get_widget_assert (de->xml, "variable_sheet"));
+
+       PsppireVarStore *vs = PSPPIRE_VAR_STORE
+         (gtk_sheet_get_model (var_sheet) );
+
+       /* This shouldn't be able to happen, because the menuitem
+          should be disabled */
+       g_return_if_fail (var_sheet->state  ==  GTK_SHEET_ROW_SELECTED );
+
+       psppire_dict_delete_variables (vs->dict,
+                                      var_sheet->range.row0,
+                                      1 +
+                                      var_sheet->range.rowi -
+                                      var_sheet->range.row0 );
+      }
+      break;
+      case PAGE_DATA_SHEET:
+       break;
+      default:
+       g_assert_not_reached ();
+    }
+}