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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Painter.h>
#include <LibGUI/ResizeCorner.h>
#include <LibGUI/Statusbar.h>
#include <LibGUI/Window.h>
#include <LibGfx/Palette.h>
#include <LibGfx/StylePainter.h>
REGISTER_WIDGET(GUI, Statusbar)
namespace GUI {
Statusbar::Statusbar(int count)
{
set_fixed_height(18);
set_layout<HorizontalBoxLayout>();
layout()->set_margins(0);
layout()->set_spacing(2);
m_corner = add<ResizeCorner>();
set_segment_count(count);
REGISTER_STRING_PROPERTY("text", text, set_text);
REGISTER_INT_PROPERTY("segment_count", segment_count, set_segment_count);
}
NonnullRefPtr<Statusbar::Segment> Statusbar::create_segment()
{
auto widget = Segment::construct();
insert_child_before(*widget, *m_corner);
return widget;
}
void Statusbar::child_event(Core::ChildEvent& event)
{
auto& event_to_forward = event;
// To ensure that the ResizeCorner is always the last widget, and thus stays in the corner,
// we replace ChildAdded events that do not request specific placement with events that request placement before the corner
if (event.type() == Event::ChildAdded && is<Widget>(*event.child()) && !event.insertion_before_child()) {
Core::ChildEvent new_event(Event::ChildAdded, *event.child(), m_corner.ptr());
event_to_forward = new_event;
}
return Widget::child_event(event_to_forward);
}
void Statusbar::set_segment_count(size_t count)
{
if (count <= 1)
count = 1;
for (auto i = m_segments.size(); i < count; i++) {
auto segment = create_segment();
m_segments.append(move(segment));
}
}
void Statusbar::update_segment(size_t index)
{
auto& segment = m_segments.at(index);
if (segment.mode() == Segment::Mode::Auto) {
if (segment.restored_text().is_empty())
segment.set_visible(false);
else {
constexpr auto horizontal_padding { 10 };
auto width = font().width(segment.restored_text()) + horizontal_padding;
segment.set_restored_width(width);
segment.set_fixed_width(width);
}
} else if (segment.mode() == Segment::Mode::Fixed) {
if (segment.max_width().is_int()) {
segment.set_restored_width(segment.max_width().as_int());
segment.set_fixed_width(segment.max_width());
}
}
if (segment.override_text().is_null()) {
for (size_t i = 1; i < m_segments.size(); i++) {
if (!text(i).is_empty())
m_segments[i].set_visible(true);
}
segment.set_text(segment.restored_text());
segment.set_frame_shape(Gfx::FrameShape::Panel);
if (segment.mode() != Segment::Mode::Proportional)
segment.set_fixed_width(segment.restored_width());
} else {
for (size_t i = 1; i < m_segments.size(); i++) {
if (!m_segments[i].is_clickable())
m_segments[i].set_visible(false);
}
segment.set_text(segment.override_text());
segment.set_frame_shape(Gfx::FrameShape::NoFrame);
if (segment.mode() != Segment::Mode::Proportional)
segment.set_fixed_width(SpecialDimension::Grow);
}
}
String Statusbar::text(size_t index) const
{
return m_segments.at(index).text();
}
void Statusbar::set_text(String text)
{
set_text(0, move(text));
}
void Statusbar::set_text(size_t index, String text)
{
m_segments.at(index).m_restored_text = move(text);
update_segment(index);
}
void Statusbar::set_override_text(String override_text)
{
m_segments.at(0).m_override_text = move(override_text);
update_segment(0);
}
void Statusbar::paint_event(PaintEvent& event)
{
Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.fill_rect(rect(), palette().button());
}
void Statusbar::resize_event(ResizeEvent& event)
{
if (auto* window = this->window()) {
m_corner->set_visible(window->is_resizable() && !window->is_maximized());
}
Widget::resize_event(event);
}
Statusbar::Segment::Segment()
{
set_fixed_height(18);
set_focus_policy(GUI::FocusPolicy::NoFocus);
set_button_style(Gfx::ButtonStyle::Tray);
set_text_alignment(Gfx::TextAlignment::CenterLeft);
}
void Statusbar::Segment::paint_event(PaintEvent& event)
{
Painter painter(*this);
painter.add_clip_rect(event.rect());
Gfx::StylePainter::current().paint_frame(painter, rect(), palette(), m_shape, Gfx::FrameShadow::Sunken, m_thickness, spans_entire_window_horizontally());
if (is_clickable())
Button::paint_event(event);
else if (!text().is_empty())
painter.draw_text(rect().shrunken(font().max_glyph_width(), 0), text(), text_alignment(), palette().color(foreground_role()), Gfx::TextElision::Right, Gfx::TextWrapping::DontWrap);
}
void Statusbar::Segment::mousedown_event(MouseEvent& event)
{
if (!is_clickable())
return;
Button::mousedown_event(event);
}
void Statusbar::Segment::mouseup_event(MouseEvent& event)
{
if (!is_clickable())
return;
Button::mouseup_event(event);
}
}
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