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LibGUI: Don't keep creating new models in FontPicker

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We can reuse the same model, as long as we call update() on them when
the list of weights/sizes change.
This commit is contained in:
Andreas Kling 2020-12-31 00:45:11 +01:00
parent 91493be4f3
commit c770b0bbec
Notes: sideshowbarker 2024-07-19 00:19:50 +09:00
1 changed files with 11 additions and 8 deletions
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19
Libraries/LibGUI/FontPicker.cpp
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@ -50,11 +50,15 @@ FontPicker::FontPicker(Window* parent_window, const Gfx::Font* current_font, boo
ASSERT_NOT_REACHED();
m_family_list_view = static_cast<ListView&>(*widget.find_descendant_by_name("family_list_view"));
m_weight_list_view = static_cast<ListView&>(*widget.find_descendant_by_name("weight_list_view"));
m_size_list_view = static_cast<ListView&>(*widget.find_descendant_by_name("size_list_view"));
m_family_list_view->set_model(ItemListModel<String>::create(m_families));
m_family_list_view->horizontal_scrollbar().set_visible(false);
m_weight_list_view = static_cast<ListView&>(*widget.find_descendant_by_name("weight_list_view"));
m_weight_list_view->set_model(ItemListModel<int>::create(m_weights));
m_weight_list_view->horizontal_scrollbar().set_visible(false);
m_size_list_view = static_cast<ListView&>(*widget.find_descendant_by_name("size_list_view"));
m_size_list_view->set_model(ItemListModel<int>::create(m_sizes));
m_size_list_view->horizontal_scrollbar().set_visible(false);
m_sample_text_label = static_cast<Label&>(*widget.find_descendant_by_name("sample_text_label"));
@ -67,7 +71,6 @@ FontPicker::FontPicker(Window* parent_window, const Gfx::Font* current_font, boo
m_families.append(font.family());
});
quick_sort(m_families);
m_family_list_view->set_model(ItemListModel<String>::create(m_families));
m_family_list_view->on_selection = [this](auto& index) {
m_family = index.data().to_string();
@ -84,7 +87,7 @@ FontPicker::FontPicker(Window* parent_window, const Gfx::Font* current_font, boo
if (m_weight.has_value())
index_of_old_weight_in_new_list = m_weights.find_first_index(m_weight.value());
m_weight_list_view->set_model(ItemListModel<int>::create(m_weights));
m_weight_list_view->model()->update();
m_weight_list_view->set_cursor(m_weight_list_view->model()->index(index_of_old_weight_in_new_list.value_or(0)), GUI::AbstractView::SelectionUpdate::Set);
update_font();
};
@ -105,7 +108,7 @@ FontPicker::FontPicker(Window* parent_window, const Gfx::Font* current_font, boo
index_of_old_size_in_new_list = m_sizes.find_first_index(m_size.value());
}
m_size_list_view->set_model(ItemListModel<int>::create(m_sizes));
m_size_list_view->model()->update();
m_size_list_view->set_cursor(m_size_list_view->model()->index(index_of_old_size_in_new_list.value_or(0)), GUI::AbstractView::SelectionUpdate::Set);
update_font();
};
@ -145,8 +148,8 @@ void FontPicker::set_font(const Gfx::Font* font)
m_size = {};
m_weights.clear();
m_sizes.clear();
m_weight_list_view->set_model(nullptr);
m_size_list_view->set_model(nullptr);
m_weight_list_view->model()->update();
m_size_list_view->model()->update();
return;
}