1 files changed, 76 insertions, 0 deletions
diff --git a/src/display/snap-indicator.cpp b/src/display/snap-indicator.cpp
new file mode 100644
index 000000000..1d005ceb8
--- /dev/null
+++ b/src/display/snap-indicator.cpp
@@ -0,0 +1,76 @@
+/** \file
+ * Provides a class that shows a temporary indicator on the canvas of where the snap was, and what kind of snap
+ *
+ * Authors:
+ *   Johan Engelen
+ *
+ * Copyright (C) Johan Engelen 2008 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "display/snap-indicator.h"
+
+#include "desktop.h"
+#include "desktop-handles.h"
+#include "display/sodipodi-ctrl.h"
+#include "knot.h"
+
+namespace Inkscape {
+namespace Display {
+
+/** lifetime is measured in milliseconds
+ */
+SnapIndicator::SnapIndicator(SPDesktop * desktop)
+    :   tempitem(NULL),
+        desktop(desktop)
+{
+}
+
+SnapIndicator::~SnapIndicator()
+{
+    // remove item that might be present
+    remove_snappoint();
+}
+
+void
+SnapIndicator::set_new_snappoint(Geom::Point p)
+{
+    remove_snappoint();
+
+    SPCanvasItem * canvasitem = sp_canvas_item_new( sp_desktop_tempgroup (desktop),
+                                                    SP_TYPE_CTRL,
+                                                    "anchor", GTK_ANCHOR_CENTER,
+                                                    "size", 6.0,
+                                                    "stroked", TRUE,
+                                                    "stroke_color", 0xf000f0ff,
+                                                    "mode", SP_KNOT_MODE_XOR,
+                                                    "shape", SP_KNOT_SHAPE_CROSS,
+                                                    NULL );
+    SP_CTRL(canvasitem)->moveto ( p );
+    tempitem = desktop->add_temporary_canvasitem(canvasitem, 2000);
+}
+
+void
+SnapIndicator::remove_snappoint()
+{
+    if (tempitem) {
+        desktop->remove_temporary_canvasitem(tempitem);
+        tempitem = NULL;
+    }
+}
+
+
+} //namespace Display
+} /* namespace Inkscape */
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :