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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Provides a class that can contain active TemporaryItem's on a desktop
* Code inspired by message-stack.cpp
*
* Authors:
* Johan Engelen
*
* Copyright (C) Johan Engelen 2008 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "canvas-temporary-item.h"
#include "canvas-temporary-item-list.h"
namespace Inkscape {
namespace Display {
TemporaryItemList::TemporaryItemList(SPDesktop *desktop)
: desktop(desktop)
{
}
TemporaryItemList::~TemporaryItemList()
{
// delete all items in list so the timeouts are removed
for (auto tempitem : itemlist) {
delete tempitem;
}
itemlist.clear();
}
/* Note that TemporaryItem or TemporaryItemList is responsible for deletion and such, so this return pointer can safely be ignored. */
TemporaryItem *
TemporaryItemList::add_item(CanvasItem *item, unsigned int lifetime)
{
// beware of strange things happening due to very short timeouts
TemporaryItem * tempitem;
if (lifetime == 0)
tempitem = new TemporaryItem(item, 0, true);
else {
tempitem = new TemporaryItem(item, lifetime);
tempitem->signal_timeout.connect( sigc::mem_fun(*this, &TemporaryItemList::_item_timeout) );
}
itemlist.push_back(tempitem);
return tempitem;
}
void
TemporaryItemList::delete_item( TemporaryItem * tempitem )
{
// check if the item is in the list, if so, delete it. (in other words, don't wait for the item to delete itself)
bool in_list = false;
for (auto & it : itemlist) {
if ( it == tempitem ) {
in_list = true;
break;
}
}
if (in_list) {
itemlist.remove(tempitem);
delete tempitem;
}
}
void
TemporaryItemList::_item_timeout(TemporaryItem * tempitem)
{
itemlist.remove(tempitem);
// no need to delete the item, it does that itself after signal_timeout.emit() completes
}
} //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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