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/*
* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "MonitorWidget.h"
#include <LibGUI/Desktop.h>
#include <LibGUI/Painter.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Font.h>
REGISTER_WIDGET(DisplaySettings, MonitorWidget)
namespace DisplaySettings {
MonitorWidget::MonitorWidget()
{
m_desktop_resolution = GUI::Desktop::the().rect().size();
m_monitor_bitmap = Gfx::Bitmap::try_load_from_file("/res/graphics/monitor.png");
m_desktop_bitmap = Gfx::Bitmap::try_create(m_monitor_bitmap->format(), { 280, 158 });
m_monitor_rect = { { 12, 13 }, m_desktop_bitmap->size() };
set_fixed_size(304, 201);
}
bool MonitorWidget::set_wallpaper(String path)
{
if (path == m_desktop_wallpaper_path)
return false;
if (path.is_empty()) {
m_wallpaper_bitmap = nullptr;
m_desktop_wallpaper_path = nullptr;
m_desktop_dirty = true;
update();
return false;
}
auto bitmap = Gfx::Bitmap::try_load_from_file(path);
if (bitmap)
m_wallpaper_bitmap = move(bitmap);
m_desktop_wallpaper_path = move(path);
m_desktop_dirty = true;
update();
return true;
}
String MonitorWidget::wallpaper()
{
return m_desktop_wallpaper_path;
}
void MonitorWidget::set_wallpaper_mode(String mode)
{
if (m_desktop_wallpaper_mode == mode)
return;
m_desktop_wallpaper_mode = move(mode);
m_desktop_dirty = true;
update();
}
String MonitorWidget::wallpaper_mode()
{
return m_desktop_wallpaper_mode;
}
void MonitorWidget::set_desktop_resolution(Gfx::IntSize resolution)
{
if (m_desktop_resolution == resolution)
return;
m_desktop_resolution = resolution;
m_desktop_dirty = true;
update();
}
Gfx::IntSize MonitorWidget::desktop_resolution()
{
return m_desktop_resolution;
}
void MonitorWidget::set_background_color(Gfx::Color color)
{
if (m_desktop_color == color)
return;
m_desktop_color = color;
m_desktop_dirty = true;
update();
}
Gfx::Color MonitorWidget::background_color()
{
return m_desktop_color;
}
void MonitorWidget::redraw_desktop_if_needed()
{
if (!m_desktop_dirty)
return;
m_desktop_dirty = false;
GUI::Painter painter(*m_desktop_bitmap);
painter.fill_rect(m_desktop_bitmap->rect(), m_desktop_color);
if (!m_wallpaper_bitmap)
return;
float sw = (float)m_desktop_bitmap->width() / (float)m_desktop_resolution.width();
float sh = (float)m_desktop_bitmap->height() / (float)m_desktop_resolution.height();
auto scaled_size = m_wallpaper_bitmap->size().to_type<float>().scaled_by(sw, sh).to_type<int>();
auto scaled_bitmap = m_wallpaper_bitmap->scaled(sw, sh);
if (m_desktop_wallpaper_mode == "center") {
Gfx::IntRect centered_rect { {}, scaled_size };
centered_rect.center_within(m_desktop_bitmap->rect());
painter.blit(centered_rect.location(), *scaled_bitmap, scaled_bitmap->rect());
} else if (m_desktop_wallpaper_mode == "tile") {
painter.draw_tiled_bitmap(m_desktop_bitmap->rect(), *scaled_bitmap);
} else if (m_desktop_wallpaper_mode == "stretch") {
painter.draw_scaled_bitmap(m_desktop_bitmap->rect(), *m_wallpaper_bitmap, m_wallpaper_bitmap->rect());
} else {
VERIFY_NOT_REACHED();
}
}
void MonitorWidget::paint_event(GUI::PaintEvent& event)
{
redraw_desktop_if_needed();
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.blit({ 0, 0 }, *m_monitor_bitmap, m_monitor_bitmap->rect());
painter.blit(m_monitor_rect.location(), *m_desktop_bitmap, m_desktop_bitmap->rect());
#if 0
if (!m_desktop_resolution.is_null()) {
auto displayed_resolution_string = Gfx::IntSize { m_desktop_resolution.width(), m_desktop_resolution.height() }.to_string();
// Render text label scaled with scale factor to hint at its effect.
// FIXME: Once bitmaps have intrinsic scale factors, we could create a bitmap with an intrinsic scale factor of m_desktop_scale_factor
// and that should give us the same effect with less code.
auto text_bitmap = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, Gfx::IntSize { painter.font().width(displayed_resolution_string) + 1, painter.font().glyph_height() + 1 });
GUI::Painter text_painter(*text_bitmap);
text_painter.set_font(painter.font());
text_painter.draw_text({}, displayed_resolution_string, Gfx::TextAlignment::BottomRight, Color::Black);
text_painter.draw_text({}, displayed_resolution_string, Gfx::TextAlignment::TopLeft, Color::White);
Gfx::IntRect text_rect = text_bitmap->rect();
text_rect.set_width(text_rect.width() * m_desktop_scale_factor);
text_rect.set_height(text_rect.height() * m_desktop_scale_factor);
text_rect.center_within(m_monitor_rect);
painter.draw_scaled_bitmap(text_rect, *text_bitmap, text_bitmap->rect());
}
#endif
}
}
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