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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 <algorithm>
#include "canvas-temporary-item.h"
#include "canvas-temporary-item-list.h"
namespace Inkscape {
namespace Display {
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, int lifetime_msecs)
{
// beware of strange things happening due to very short timeouts
TemporaryItem *tempitem;
if (lifetime_msecs == 0)
tempitem = new TemporaryItem(item, 0);
else {
tempitem = new TemporaryItem(item, lifetime_msecs);
tempitem->signal_timeout.connect([this] (auto tempitem) { itemlist.remove(tempitem); });
// no need to delete the item, it does that itself after signal_timeout.emit() completes
}
itemlist.emplace_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)
auto it = std::find_if(itemlist.begin(), itemlist.end(), [=] (auto *item) {
return item == tempitem;
});
if (it != itemlist.end()) {
itemlist.erase(it);
delete tempitem;
}
}
} // 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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