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DisplaySettings: Include aspect ratio in resolution list text

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ForLoveOfCats 2022-02-14 18:22:17 -05:00 • committed by Andreas Kling
parent 2f555f1b7d
commit 5da3063a39
2 changed files with 22 additions and 1 deletions
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22
Userland/Applications/DisplaySettings/MonitorSettingsWidget.cpp
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@ -46,6 +46,26 @@ void MonitorSettingsWidget::create_resolution_list()
m_resolutions.append({ 2560, 1080 });
m_resolutions.append({ 2560, 1440 });
m_resolutions.append({ 3440, 1440 });
for (auto resolution : m_resolutions) {
// Use Euclid's Algorithm to calculate greatest common factor
i32 a = resolution.width();
i32 b = resolution.height();
i32 gcf = 0;
for (;;) {
i32 r = a % b;
if (r == 0) {
gcf = b;
break;
}
a = b;
b = r;
}
i32 aspect_width = resolution.width() / gcf;
i32 aspect_height = resolution.height() / gcf;
m_resolution_strings.append(String::formatted("{}x{} ({}:{})", resolution.width(), resolution.height(), aspect_width, aspect_height));
}
}
void MonitorSettingsWidget::create_frame()
@ -64,7 +84,7 @@ void MonitorSettingsWidget::create_frame()
m_resolution_combo = *find_descendant_of_type_named<GUI::ComboBox>("resolution_combo");
m_resolution_combo->set_only_allow_values_from_model(true);
m_resolution_combo->set_model(*GUI::ItemListModel<Gfx::IntSize>::create(m_resolutions));
m_resolution_combo->set_model(*GUI::ItemListModel<String>::create(m_resolution_strings));
m_resolution_combo->on_change = [this](auto&, const GUI::ModelIndex& index) {
auto& selected_screen = m_screen_layout.screens[m_selected_screen_index];
selected_screen.resolution = m_resolutions.at(index.row());