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105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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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namespace GUI {
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Label::Label(const StringView& text)
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: m_text(text)
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{
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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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}
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Label::~Label()
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{
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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(const StringView& text)
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{
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if (text == m_text)
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return;
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m_text = text;
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update();
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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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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 text_rect = frame_inner_rect();
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text_rect.move_by(indent, 0);
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text_rect.set_width(text_rect.width() - indent * 2);
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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);
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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);
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painter.draw_text(text_rect, text(), font(), text_alignment(), Color::from_rgb(0x808080), Gfx::TextElision::Right);
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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_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
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set_preferred_size(font().width(m_text), 0);
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}
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}
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