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SpaceAnalyzer: Add a tooltip for the hovered tree node

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Many of the nodes are visually too small to show their full name and
file size, so this makes that information visible.
This commit is contained in:
Sam Atkins 2022-12-09 21:43:04 +00:00 • committed by Linus Groh
parent 6d64e650f1
commit d8ceaf7870
2 changed files with 20 additions and 0 deletions
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19
Userland/Applications/SpaceAnalyzer/TreeMapWidget.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021-2022, the SerenityOS developers.
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -273,6 +274,24 @@ Vector<int> TreeMapWidget::path_to_position(Gfx::IntPoint position)
return path;
}
void TreeMapWidget::mousemove_event(GUI::MouseEvent& event)
{
auto* node = path_node(m_viewpoint);
if (!node) {
set_tooltip({});
return;
}
auto* hovered_node = node;
lay_out_children(*node, frame_inner_rect(), m_viewpoint, [&](TreeMapNode const&, int index, Gfx::IntRect const& rect, Gfx::IntRect const&, int, HasLabel, IsRemainder is_remainder) {
if (is_remainder == IsRemainder::No && rect.contains(event.position())) {
hovered_node = &hovered_node->child_at(index);
}
});
set_tooltip(DeprecatedString::formatted("{}\n{}", hovered_node->name(), human_readable_size(hovered_node->area())));
}
void TreeMapWidget::mousedown_event(GUI::MouseEvent& event)
{
TreeMapNode const* node = path_node(m_viewpoint);