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Help: Detect clicked page correctly

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index_from_path is the only remaining model index handling function that
wasn't aware of subsections. After this change, clicked pages are
resolved to a model index correctly, eliminating the weird
subsection-expansion bugs from before.
This commit is contained in:
kleines Filmröllchen 2022-12-15 15:12:51 +01:00 • committed by Andrew Kaster
parent 3cecd612ba
commit 2d08e53493
1 changed files with 27 additions and 14 deletions
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41
Userland/Applications/Help/ManualModel.cpp
View file

@ -9,6 +9,7 @@
#include <AK/Utf8View.h>
#include <LibManual/Node.h>
#include <LibManual/PageNode.h>
#include <LibManual/Path.h>
#include <LibManual/SectionNode.h>
ManualModel::ManualModel()
@ -20,22 +21,34 @@ ManualModel::ManualModel()
Optional<GUI::ModelIndex> ManualModel::index_from_path(StringView path) const
{
for (int section = 0; section < row_count(); ++section) {
auto parent_index = index(section, 0);
for (int row = 0; row < row_count(parent_index); ++row) {
auto child_index = index(row, 0, parent_index);
auto* node = static_cast<Manual::Node const*>(child_index.internal_data());
if (!node->is_page())
continue;
auto* page = static_cast<Manual::PageNode const*>(node);
auto const maybe_path = page->path();
if (maybe_path.is_error())
return {};
if (maybe_path.value().bytes_as_string_view() != path)
continue;
return child_index;
// The first slice removes the man pages base path plus the `/man` from the main section subdirectory.
// The second slice removes the trailing `.md`.
auto path_without_base = path.substring_view(Manual::manual_base_path.string().length() + 4);
auto url = URL::create_with_help_scheme(path_without_base.substring_view(0, path_without_base.length() - 3), {}, "man");
auto maybe_page = Manual::Node::try_find_from_help_url(url);
if (maybe_page.is_error())
return {};
auto page = maybe_page.release_value();
// Main section
if (page->parent() == nullptr) {
for (size_t section = 0; section < Manual::number_of_sections; ++section) {
auto main_section_index = index(static_cast<int>(section), 0);
if (main_section_index.internal_data() == page.ptr())
return main_section_index;
}
return {};
}
auto maybe_siblings = page->parent()->children();
if (maybe_siblings.is_error())
return {};
auto siblings = maybe_siblings.release_value();
for (size_t row = 0; row < siblings.size(); ++row) {
if (siblings[row] == page)
return create_index(static_cast<int>(row), 0, page.ptr());
}
return {};
}