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4c9c85ac01
This was breaking many places which didn't expect text to wrap. Now, the only place where text currently wraps is in GUI::Label.
118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Utf8View.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/Painter.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/TextLayout.h>
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#include <LibGfx/TextWrapping.h>
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REGISTER_WIDGET(GUI, Label)
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namespace GUI {
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Label::Label(String text)
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: m_text(move(text))
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{
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REGISTER_TEXT_ALIGNMENT_PROPERTY("text_alignment", text_alignment, set_text_alignment);
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set_frame_thickness(0);
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set_frame_shadow(Gfx::FrameShadow::Plain);
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set_frame_shape(Gfx::FrameShape::NoFrame);
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set_foreground_role(Gfx::ColorRole::WindowText);
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REGISTER_STRING_PROPERTY("text", text, set_text);
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REGISTER_BOOL_PROPERTY("autosize", is_autosize, set_autosize);
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}
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Label::~Label()
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{
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}
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void Label::set_autosize(bool autosize)
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{
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if (m_autosize == autosize)
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return;
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m_autosize = autosize;
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if (m_autosize)
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size_to_fit();
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}
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void Label::set_icon(const Gfx::Bitmap* icon)
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{
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if (m_icon == icon)
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return;
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m_icon = icon;
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update();
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}
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void Label::set_text(String text)
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{
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if (text == m_text)
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return;
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m_text = move(text);
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if (m_autosize)
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size_to_fit();
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update();
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did_change_text();
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}
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Gfx::IntRect Label::text_rect() const
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{
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int indent = 0;
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if (frame_thickness() > 0)
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indent = font().glyph_width('x') / 2;
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auto rect = frame_inner_rect();
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rect.set_width(rect.width() - indent * 2);
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return rect;
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}
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void Label::paint_event(PaintEvent& event)
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{
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Frame::paint_event(event);
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Painter painter(*this);
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painter.add_clip_rect(event.rect());
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if (m_icon) {
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if (m_should_stretch_icon) {
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painter.draw_scaled_bitmap(frame_inner_rect(), *m_icon, m_icon->rect());
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} else {
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auto icon_location = frame_inner_rect().center().translated(-(m_icon->width() / 2), -(m_icon->height() / 2));
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painter.blit(icon_location, *m_icon, m_icon->rect());
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}
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}
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if (text().is_empty())
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return;
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auto text_rect = this->text_rect();
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if (is_enabled()) {
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painter.draw_text(text_rect, text(), m_text_alignment, palette().color(foreground_role()), Gfx::TextElision::Right, Gfx::TextWrapping::Wrap);
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} else {
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painter.draw_text(text_rect.translated(1, 1), text(), font(), text_alignment(), Color::White, Gfx::TextElision::Right, Gfx::TextWrapping::Wrap);
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painter.draw_text(text_rect, text(), font(), text_alignment(), Color::from_rgb(0x808080), Gfx::TextElision::Right, Gfx::TextWrapping::Wrap);
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}
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}
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void Label::size_to_fit()
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{
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set_fixed_width(font().width(m_text));
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}
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int Label::preferred_height() const
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{
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// FIXME: The 4 is taken from Gfx::Painter and should be available as
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// a constant instead.
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return Gfx::TextLayout(&font(), Utf8View { m_text }, text_rect()).bounding_rect(Gfx::TextWrapping::Wrap, 4).height();
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}
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}
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