X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Fpsppire-syntax-window.c;h=d3d5e563d5f5268d591076baa05736bdf712663a;hb=c742f5287ac3c40742091c4f37d368f6206e3d3f;hp=965482e52bfe53dec5e50beca2cce46cd36936d1;hpb=60429959d82cbe0d27be3c150bb89c4a237cb3e8;p=pspp

diff --git a/src/ui/gui/psppire-syntax-window.c b/src/ui/gui/psppire-syntax-window.c
index 965482e52b..d3d5e563d5 100644
--- 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 +244,67 @@ 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);
+
 }
 
+static 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);
+}
+
+static void
+on_owner_change (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data)
+{
+  gint i;
+  gboolean compatible_target = FALSE;
+  PsppireSyntaxWindow *sw = PSPPIRE_SYNTAX_WINDOW (data);
+
+  for (i = 0 ; i < sizeof (targets) / sizeof (targets[0]) ; ++i)
+    {
+      GdkAtom atom = gdk_atom_intern (targets[i].target, TRUE);
+      if ( gtk_clipboard_wait_is_target_available (clip, atom))
+	{
+	  compatible_target = TRUE;
+	  break;
+	}
+    }
+
+  gtk_action_set_sensitive (sw->edit_paste, compatible_target);
+}
+
+
 
 
 /* Parse and execute all the text in the buffer */
@@ -502,8 +572,20 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window)
 
   GtkWidget *text_view = get_widget_assert (xml, "syntax_text_view");
 
+  GtkClipboard *clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
+  GtkClipboard *clip_primary =   gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_PRIMARY);
+
+  g_signal_connect_swapped (clip_primary, "owner-change", G_CALLBACK (selection_changed), window);
+
+  g_signal_connect (clip_selection, "owner-change", G_CALLBACK (on_owner_change), 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");
+
   window->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
   window->lexer = lex_create (the_source_stream);
 
@@ -556,28 +638,31 @@ 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),
@@ -611,11 +696,15 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window)
 }
 
 
+
+
+
 GtkWidget*
 psppire_syntax_window_new (void)
 {
   return GTK_WIDGET (g_object_new (psppire_syntax_window_get_type (),
-				   "filename", "Syntax",
+				   /* TRANSLATORS: This will form a filename.  Please avoid whitespace. */
+				   "filename", _("Syntax"),
 				   "description", _("Syntax Editor"),
 				   NULL));
 }
@@ -697,3 +786,6 @@ psppire_syntax_window_iface_init (PsppireWindowIface *iface)
   iface->save = syntax_save;
   iface->load = syntax_load;
 }
+
+
+