mirror of
https://github.com/RGBCube/serenity
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108 lines
3 KiB
C++
108 lines
3 KiB
C++
/*
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* Copyright (c) 2020, Alex McGrath <amk@amk.ie>
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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/Event.h>
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#include <LibGUI/LinkLabel.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/Window.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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LinkLabel::LinkLabel(String text)
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: Label(move(text))
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{
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set_override_cursor(Gfx::StandardCursor::Hand);
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set_foreground_role(Gfx::ColorRole::Link);
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set_focus_policy(FocusPolicy::TabFocus);
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}
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void LinkLabel::mousedown_event(MouseEvent& event)
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{
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Label::mousedown_event(event);
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if (on_click) {
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on_click();
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}
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}
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void LinkLabel::keydown_event(KeyEvent& event)
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{
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Label::keydown_event(event);
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if (event.key() == KeyCode::Key_Return || event.key() == KeyCode::Key_Space) {
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if (on_click)
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on_click();
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}
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}
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void LinkLabel::paint_event(PaintEvent& event)
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{
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Label::paint_event(event);
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GUI::Painter painter(*this);
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if (m_hovered)
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painter.draw_line({ 0, rect().bottom() }, { font().width(text()), rect().bottom() }, palette().link());
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if (is_focused())
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painter.draw_focus_rect(text_rect(), palette().focus_outline());
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}
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void LinkLabel::enter_event(Core::Event& event)
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{
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Label::enter_event(event);
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m_hovered = true;
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update();
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}
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void LinkLabel::leave_event(Core::Event& event)
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{
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Label::leave_event(event);
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m_hovered = false;
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update();
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}
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void LinkLabel::did_change_text()
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{
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Label::did_change_text();
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update_tooltip_if_needed();
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}
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void LinkLabel::update_tooltip_if_needed()
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{
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if (width() < font().width(text())) {
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set_tooltip(text());
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} else {
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set_tooltip({});
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}
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}
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void LinkLabel::resize_event(ResizeEvent& event)
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{
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Label::resize_event(event);
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update_tooltip_if_needed();
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}
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}
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