mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 15:12:45 +00:00
47 lines
936 B
C++
47 lines
936 B
C++
/*
|
|
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibGUI/Model.h>
|
|
#include <LibGUI/Variant.h>
|
|
|
|
namespace GUI {
|
|
|
|
Variant ModelIndex::data(ModelRole role) const
|
|
{
|
|
if (!is_valid())
|
|
return {};
|
|
|
|
VERIFY(model());
|
|
return model()->data(*this, role);
|
|
}
|
|
|
|
bool ModelIndex::is_parent_of(ModelIndex const& child) const
|
|
{
|
|
auto current_index = child.parent();
|
|
while (current_index.is_valid()) {
|
|
if (current_index == *this)
|
|
return true;
|
|
current_index = current_index.parent();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
ModelIndex ModelIndex::sibling(int row, int column) const
|
|
{
|
|
if (!is_valid())
|
|
return {};
|
|
VERIFY(model());
|
|
return model()->index(row, column, parent());
|
|
}
|
|
|
|
ModelIndex ModelIndex::sibling_at_column(int column) const
|
|
{
|
|
if (!is_valid())
|
|
return {};
|
|
return sibling(row(), column);
|
|
}
|
|
|
|
}
|