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| author | Jelle Raaijmakers <jelle@gmta.nl> | 2021-05-31 23:47:01 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2021-06-01 08:22:51 +0200 |
| commit | 7a4445a1fe4a53746444d8c128a08ffbf8404493 (patch) | |
| tree | 565f883710691092722dde9a2df7a6c9780d07a3 /Userland/Libraries/LibGUI/ModelIndex.cpp | |
| parent | 67a5e9f0184eac51a7451f540845e49dfdc0b34a (diff) | |
| download | serenity-7a4445a1fe4a53746444d8c128a08ffbf8404493.zip | |
LibGUI/TreeView: Select parent on collapse
When collapsing a tree that contains the current selection, the parent
node becomes selected instead.
Diffstat (limited to 'Userland/Libraries/LibGUI/ModelIndex.cpp')
| -rw-r--r-- | Userland/Libraries/LibGUI/ModelIndex.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Userland/Libraries/LibGUI/ModelIndex.cpp b/Userland/Libraries/LibGUI/ModelIndex.cpp index ac7108bd41..e095764d4d 100644 --- a/Userland/Libraries/LibGUI/ModelIndex.cpp +++ b/Userland/Libraries/LibGUI/ModelIndex.cpp @@ -19,6 +19,17 @@ Variant ModelIndex::data(ModelRole role) const return model()->data(*this, role); } +bool ModelIndex::is_parent_of(const ModelIndex& 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()) |