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/*
* RTFL
*
* Copyright 2014, 2015 Sebastian Geerken <sgeerken@dillo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version; with the following exception:
*
* The copyright holders of RTFL give you permission to link this file
* statically or dynamically against all versions of the graphviz
* library, which are published by AT&T Corp. under one of the following
* licenses:
*
* - Common Public License version 1.0 as published by International
* Business Machines Corporation (IBM), or
* - Eclipse Public License version 1.0 as published by the Eclipse
* Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "hideable.hh"
using namespace dw::core;
using namespace dw::core::style;
using namespace lout::misc;
namespace rtfl {
namespace dw {
int Hideable::CLASS_ID = -1;
Hideable::Hideable ()
{
DBG_OBJ_CREATE ("rtfl::dw::Hideable");
registerName ("rtfl::dw::Hideable", &CLASS_ID);
hidden = drawable = false;
}
Hideable::~Hideable ()
{
DBG_OBJ_DELETE ();
}
void Hideable::sizeRequestImpl (Requisition *requisition)
{
if (hidden) {
requisition->width = requisition->ascent = requisition->descent = 0;
drawable = false;
} else {
sizeRequestImplImpl (requisition);
drawable = true;
}
}
void Hideable::getExtremesImpl (Extremes *extremes)
{
if (hidden)
extremes->minWidth = extremes->minWidthIntrinsic = extremes->maxWidth =
extremes->maxWidthIntrinsic = 0;
else
getExtremesImplImpl (extremes);
}
void Hideable::draw (View *view, Rectangle *area)
{
DBG_OBJ_ENTER ("draw", 0, "draw", "%d, %d, %d * %d",
area->x, area->y, area->width, area->height);
if (drawable)
drawImpl (view, area);
DBG_OBJ_LEAVE ();
}
void Hideable::show ()
{
if (hidden) {
hidden = false;
queueResize (0, true);
}
}
void Hideable::hide ()
{
if (!hidden) {
hidden = true;
queueResize (0, true);
}
}
} // namespace rtfl
} // namespace dw
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