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/** \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 {
SnapIndicator::SnapIndicator(SPDesktop * desktop)
: tempitem(NULL),
desktop(desktop)
{
}
SnapIndicator::~SnapIndicator()
{
// remove item that might be present
remove_snappoint();
}
void
SnapIndicator::set_new_snappoint(Inkscape::SnappedPoint const p)
{
remove_snappoint();
bool enabled = true; // TODO add preference for snap indicator.
if (enabled) {
// TODO add many different kinds of snap indicator :-)
SPCanvasItem * canvasitem = sp_canvas_item_new( sp_desktop_tempgroup (desktop),
SP_TYPE_CTRL,
"anchor", GTK_ANCHOR_CENTER,
"size", 10.0,
"stroked", TRUE,
"stroke_color", 0xf000f0ff,
"mode", SP_KNOT_MODE_XOR,
"shape", SP_KNOT_SHAPE_CROSS,
NULL );
SP_CTRL(canvasitem)->moveto(p.getPoint());
tempitem = desktop->add_temporary_canvasitem(canvasitem, 1000); // TODO add preference for snap indicator timeout
}
}
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 :
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