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#include "GListBox.h"
#include <SharedGraphics/Font.h>
#include <SharedGraphics/Painter.h>
GListBox::GListBox(GWidget* parent)
: GWidget(parent)
{
}
GListBox::~GListBox()
{
}
Rect GListBox::item_rect(int index) const
{
int item_height = font().glyph_height() + 2;
return Rect { 2, 2 + (index * item_height), width() - 4, item_height };
}
void GListBox::paint_event(GPaintEvent& event)
{
Painter painter(*this);
painter.set_clip_rect(event.rect());
painter.fill_rect({ rect().x() + 1, rect().y() + 1, rect().width() - 2, rect().height() - 2 }, background_color());
painter.draw_rect(rect(), foreground_color());
if (is_focused())
painter.draw_focus_rect(rect());
for (int i = m_scroll_offset; i < static_cast<int>(m_items.size()); ++i) {
auto item_rect = this->item_rect(i);
Rect text_rect(item_rect.x() + 1, item_rect.y() + 1, item_rect.width() - 2, item_rect.height() - 2);
Color item_text_color = foreground_color();
if (m_selected_index == i) {
if (is_focused())
painter.fill_rect(item_rect, Color(0, 32, 128));
else
painter.fill_rect(item_rect, Color(96, 96, 96));
item_text_color = Color::White;
}
painter.draw_text(item_rect, m_items[i], TextAlignment::TopLeft, item_text_color);
}
}
void GListBox::mousedown_event(GMouseEvent& event)
{
dbgprintf("GListBox::mouseDownEvent %d,%d\n", event.x(), event.y());
for (int i = m_scroll_offset; i < static_cast<int>(m_items.size()); ++i) {
auto item_rect = this->item_rect(i);
if (item_rect.contains(event.position())) {
m_selected_index = i;
dbgprintf("GListBox: selected item %u (\"%s\")\n", i, m_items[i].characters());
update();
return;
}
}
}
void GListBox::add_item(String&& item)
{
m_items.append(move(item));
if (m_selected_index == -1)
m_selected_index = 0;
}
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