mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 21:52:45 +00:00
112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Utf8View.h>
|
|
#include <LibGUI/Label.h>
|
|
#include <LibGUI/Painter.h>
|
|
#include <LibGfx/Bitmap.h>
|
|
#include <LibGfx/Palette.h>
|
|
#include <LibGfx/TextLayout.h>
|
|
#include <LibGfx/TextWrapping.h>
|
|
|
|
REGISTER_WIDGET(GUI, Label)
|
|
|
|
namespace GUI {
|
|
|
|
Label::Label(String text)
|
|
: m_text(move(text))
|
|
{
|
|
REGISTER_TEXT_ALIGNMENT_PROPERTY("text_alignment", text_alignment, set_text_alignment);
|
|
REGISTER_TEXT_WRAPPING_PROPERTY("text_wrapping", text_wrapping, set_text_wrapping);
|
|
|
|
set_frame_thickness(0);
|
|
set_frame_shadow(Gfx::FrameShadow::Plain);
|
|
set_frame_shape(Gfx::FrameShape::NoFrame);
|
|
|
|
set_foreground_role(Gfx::ColorRole::WindowText);
|
|
|
|
REGISTER_STRING_PROPERTY("text", text, set_text);
|
|
REGISTER_BOOL_PROPERTY("autosize", is_autosize, set_autosize);
|
|
}
|
|
|
|
Label::~Label()
|
|
{
|
|
}
|
|
|
|
void Label::set_autosize(bool autosize)
|
|
{
|
|
if (m_autosize == autosize)
|
|
return;
|
|
m_autosize = autosize;
|
|
if (m_autosize)
|
|
size_to_fit();
|
|
}
|
|
|
|
void Label::set_icon(const Gfx::Bitmap* icon)
|
|
{
|
|
if (m_icon == icon)
|
|
return;
|
|
m_icon = icon;
|
|
update();
|
|
}
|
|
|
|
void Label::set_text(String text)
|
|
{
|
|
if (text == m_text)
|
|
return;
|
|
m_text = move(text);
|
|
|
|
if (m_autosize)
|
|
size_to_fit();
|
|
update();
|
|
did_change_text();
|
|
}
|
|
|
|
Gfx::IntRect Label::text_rect() const
|
|
{
|
|
return frame_inner_rect().shrunken(frame_thickness() > 0 ? font().glyph_width('x') : 0, 0);
|
|
}
|
|
|
|
void Label::paint_event(PaintEvent& event)
|
|
{
|
|
Frame::paint_event(event);
|
|
|
|
Painter painter(*this);
|
|
painter.add_clip_rect(event.rect());
|
|
|
|
if (m_icon) {
|
|
if (m_should_stretch_icon) {
|
|
painter.draw_scaled_bitmap(frame_inner_rect(), *m_icon, m_icon->rect());
|
|
} else {
|
|
auto icon_location = frame_inner_rect().center().translated(-(m_icon->width() / 2), -(m_icon->height() / 2));
|
|
painter.blit(icon_location, *m_icon, m_icon->rect());
|
|
}
|
|
}
|
|
|
|
if (text().is_empty())
|
|
return;
|
|
|
|
auto text_rect = this->text_rect();
|
|
if (is_enabled()) {
|
|
painter.draw_text(text_rect, text(), text_alignment(), palette().color(foreground_role()), Gfx::TextElision::Right, text_wrapping());
|
|
} else {
|
|
painter.draw_text(text_rect.translated(1, 1), text(), font(), text_alignment(), Color::White, Gfx::TextElision::Right, text_wrapping());
|
|
painter.draw_text(text_rect, text(), font(), text_alignment(), Color::from_rgb(0x808080), Gfx::TextElision::Right, text_wrapping());
|
|
}
|
|
}
|
|
|
|
void Label::size_to_fit()
|
|
{
|
|
set_fixed_width(font().width(m_text));
|
|
}
|
|
|
|
int Label::preferred_height() const
|
|
{
|
|
// FIXME: The 4 is taken from Gfx::Painter and should be available as
|
|
// a constant instead.
|
|
return Gfx::TextLayout(&font(), Utf8View { m_text }, text_rect()).bounding_rect(Gfx::TextWrapping::Wrap, 4).height();
|
|
}
|
|
}
|