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#include <LibGUI/GButton.h>
#include <LibGUI/GComboBox.h>
#include <LibGUI/GListView.h>
#include <LibGUI/GScrollBar.h>
#include <LibGUI/GTextEditor.h>
#include <LibGUI/GWindow.h>
GComboBox::GComboBox(GWidget* parent)
: GWidget(parent)
{
m_editor = new GTextEditor(GTextEditor::Type::SingleLine, this);
m_editor->on_change = [this] {
if (on_change)
on_change(m_editor->text());
};
m_editor->on_return_pressed = [this] {
if (on_return_pressed)
on_return_pressed();
};
m_open_button = new GButton(this);
m_open_button->set_focusable(false);
m_open_button->set_text("\xf7");
m_open_button->on_click = [this](auto&) {
if (m_list_window->is_visible())
close();
else
open();
};
m_list_window = new GWindow(this);
// FIXME: This is obviously not a tooltip window, but it's the closest thing to what we want atm.
m_list_window->set_window_type(GWindowType::Tooltip);
m_list_window->set_should_destroy_on_close(false);
m_list_view = new GListView(nullptr);
m_list_view->horizontal_scrollbar().set_visible(false);
m_list_window->set_main_widget(m_list_view);
m_list_view->on_selection = [this](auto& index) {
ASSERT(model());
auto new_value = model()->data(index).to_string();
m_editor->set_text(new_value);
m_editor->select_all();
close();
deferred_invoke([this](auto&) {
if (on_change)
on_change(m_editor->text());
});
};
}
GComboBox::~GComboBox()
{
}
void GComboBox::resize_event(GResizeEvent& event)
{
int frame_thickness = m_editor->frame_thickness();
int button_height = event.size().height() - frame_thickness * 2;
int button_width = 15;
m_open_button->set_relative_rect(width() - button_width - frame_thickness, frame_thickness, button_width, button_height);
m_editor->set_relative_rect(0, 0, width(), height());
}
void GComboBox::set_model(NonnullRefPtr<GModel> model)
{
m_list_view->set_model(move(model));
}
void GComboBox::select_all()
{
m_editor->select_all();
}
void GComboBox::open()
{
if (!model())
return;
auto my_screen_rect = screen_relative_rect();
int longest_item_width = 0;
for (int i = 0; i < model()->row_count(); ++i) {
auto index = model()->index(i);
auto item_text = model()->data(index).to_string();
longest_item_width = max(longest_item_width, m_list_view->font().width(item_text));
}
Size size {
max(width(), longest_item_width + m_list_view->width_occupied_by_vertical_scrollbar() + m_list_view->frame_thickness() * 2 + m_list_view->horizontal_padding()),
model()->row_count() * m_list_view->item_height() + m_list_view->frame_thickness() * 2
};
m_list_window->set_rect({ my_screen_rect.bottom_left(), size });
m_list_window->show();
}
void GComboBox::close()
{
m_list_window->hide();
m_editor->set_focus(true);
}
String GComboBox::text() const
{
return m_editor->text();
}
void GComboBox::set_text(const String& text)
{
m_editor->set_text(text);
}
void GComboBox::set_only_allow_values_from_model(bool b)
{
if (m_only_allow_values_from_model == b)
return;
m_editor->set_readonly(m_only_allow_values_from_model);
}
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