Implemented Edit->Paste in the syntax viewer

[pspp] / src / ui / gui / psppire-syntax-window.c

diff --git a/src/ui/gui/psppire-syntax-window.c b/src/ui/gui/psppire-syntax-window.c
index 965482e52bfe53dec5e50beca2cce46cd36936d1..77d20ab2bb3860c65114eda1b367d95772dfd235 100644 (file)
--- a/src/ui/gui/psppire-syntax-window.c
+++ b/src/ui/gui/psppire-syntax-window.c
@@ -145,6 +145,9 @@ on_edit_delete (PsppireSyntaxWindow *sw)
     gtk_text_buffer_delete (sw->buffer, &begin, &end);
 }
 
+
+
+
 /* The syntax editor's clipboard deals only with text */
 enum {
   SELECT_FMT_NULL,
@@ -152,6 +155,16 @@ enum {
 };
 
 
+static void
+selection_changed (PsppireSyntaxWindow *sw)
+{
+  gboolean sel = gtk_text_buffer_get_has_selection (sw->buffer);
+
+  gtk_action_set_sensitive (sw->edit_copy, sel);
+  gtk_action_set_sensitive (sw->edit_cut, sel);
+  gtk_action_set_sensitive (sw->edit_delete, sel);
+}
+
 /* The callback which runs when something request clipboard data */
 static void
 clipboard_get_cb (GtkClipboard     *clipboard,
@@ -231,10 +244,47 @@ on_edit_copy (PsppireSyntaxWindow *sw)
 {
   GtkTextIter begin, end;
 
-  if ( ! set_clip (sw, &begin, &end))
+  set_clip (sw, &begin, &end);
+}
+
+
+/* A callback for when the clipboard contents have been received */
+static void
+contents_received_callback (GtkClipboard *clipboard,
+                           GtkSelectionData *sd,
+                           gpointer data)
+{
+  gchar *c;
+  PsppireSyntaxWindow *syntax_window = data;
+
+  if ( sd->length < 0 )
+    return;
+
+  if ( sd->type != gdk_atom_intern ("UTF8_STRING", FALSE))
     return;
+
+  c = (gchar *) sd->data;
+
+  gtk_text_buffer_insert_at_cursor (syntax_window->buffer,
+                                   (gchar *) sd->data,
+                                   sd->length);
+
+}
+
+void
+on_edit_paste (PsppireSyntaxWindow *sw)
+{
+  GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (sw));
+  GtkClipboard *clipboard =
+    gtk_clipboard_get_for_display (display, GDK_SELECTION_CLIPBOARD);
+
+  gtk_clipboard_request_contents (clipboard,
+                                 gdk_atom_intern ("UTF8_STRING", TRUE),
+                                 contents_received_callback,
+                                 sw);
 }
 
+
 \f
 
 /* Parse and execute all the text in the buffer */
@@ -502,8 +552,21 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window)
 
   GtkWidget *text_view = get_widget_assert (xml, "syntax_text_view");
 
+
+  GtkClipboard *clipboard =
+    gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_PRIMARY);
+
+  g_signal_connect_swapped (clipboard, "owner-change", G_CALLBACK (selection_changed), window);
+
   window->cliptext = NULL;
 
+  window->edit_delete = get_action_assert (xml, "edit_delete");
+  window->edit_copy = get_action_assert (xml, "edit_copy");
+  window->edit_cut = get_action_assert (xml, "edit_cut");
+  window->edit_paste = get_action_assert (xml, "edit_paste");
+
+gtk_action_set_sensitive (window->edit_paste, TRUE);
+
   window->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
   window->lexer = lex_create (the_source_stream);
 
@@ -556,28 +619,31 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window)
                    G_CALLBACK (on_quit),
                    window);
 
-
-  g_signal_connect_swapped (get_action_assert (xml, "edit_delete"),
+  g_signal_connect_swapped (window->edit_delete,
                    "activate",
                    G_CALLBACK (on_edit_delete),
                    window);
 
-  g_signal_connect_swapped (get_action_assert (xml, "edit_copy"),
+  g_signal_connect_swapped (window->edit_copy,
                    "activate",
                    G_CALLBACK (on_edit_copy),
                    window);
 
-  g_signal_connect_swapped (get_action_assert (xml, "edit_cut"),
+  g_signal_connect_swapped (window->edit_cut,
                    "activate",
                    G_CALLBACK (on_edit_cut),
                    window);
 
+  g_signal_connect_swapped (window->edit_paste,
+                   "activate",
+                   G_CALLBACK (on_edit_paste),
+                   window);
+
   g_signal_connect (get_action_assert (xml,"run_all"),
                    "activate",
                    G_CALLBACK (on_run_all),
                    window);
 
-
   g_signal_connect (get_action_assert (xml,"run_selection"),
                    "activate",
                    G_CALLBACK (on_run_selection),
@@ -611,6 +677,9 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window)
 }
 
 
+
+
+
 GtkWidget*
 psppire_syntax_window_new (void)
 {
@@ -697,3 +766,6 @@ psppire_syntax_window_iface_init (PsppireWindowIface *iface)
   iface->save = syntax_save;
   iface->load = syntax_load;
 }
+
+
+