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// SPDX-License-Identifier: GPL-2.0-or-later
/** \file
* Anchors implementation.
*/
/*
* Authors:
* Copyright (C) 2000 Lauris Kaplinski
* Copyright (C) 2000-2001 Ximian, Inc.
* Copyright (C) 2002 Lauris Kaplinski
* Copyright (C) 2004 Monash University
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "ui/draw-anchor.h"
#include "ui/tools/tool-base.h"
#include "ui/tools/lpe-tool.h"
#include "display/control/canvas-item-ctrl.h"
#include "display/curve.h"
const guint32 FILL_COLOR_NORMAL = 0xffffff7f;
const guint32 FILL_COLOR_MOUSEOVER = 0xff0000ff;
/**
* Creates an anchor object and initializes it.
*/
SPDrawAnchor::SPDrawAnchor(Inkscape::UI::Tools::FreehandBase *dc, SPCurve *curve, bool start, Geom::Point delta)
: dc(dc), curve(curve->ref()), start(start), active(FALSE), dp(delta),
ctrl(
new Inkscape::CanvasItemCtrl(
dc->getDesktop()->getCanvasControls(),
Inkscape::CANVAS_ITEM_CTRL_TYPE_ANCHOR
)
)
{
ctrl->set_name("CanvasItemCtrl:DrawAnchor");
ctrl->set_fill(FILL_COLOR_NORMAL);
ctrl->set_position(delta);
ctrl->set_pickable(false); // We do our own checking. (TODO: Should be fixed!)
}
SPDrawAnchor::~SPDrawAnchor()
{
if (ctrl) {
delete (ctrl);
}
}
/**
* Test if point is near anchor, if so fill anchor on canvas and return
* pointer to it or NULL.
*/
SPDrawAnchor *SPDrawAnchor::anchorTest(Geom::Point w, bool activate)
{
if ( activate && this->ctrl->contains(w)) {
if (!this->active) {
this->ctrl->set_size_extra(4);
this->ctrl->set_fill(FILL_COLOR_MOUSEOVER);
this->active = TRUE;
}
return this;
}
if (this->active) {
this->ctrl->set_size_extra(0);
this->ctrl->set_fill(FILL_COLOR_NORMAL);
this->active = FALSE;
}
return nullptr;
}
/*
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:fileencoding=utf-8:textwidth=99 :
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