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160bda7228
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
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* Copyright (c) 2021, Rasmus Nylander <RasmusNylander.SerenityOS@gmail.com>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "KeyButton.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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void KeyButton::paint_event(GUI::PaintEvent& event)
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{
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GUI::Painter painter(*this);
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painter.add_clip_rect(event.rect());
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auto cont_rect = rect();
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auto& font = this->font();
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Color face_color;
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if (m_pressed) {
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face_color = Color::Cyan;
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} else if (!is_enabled()) {
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face_color = Color::LightGray;
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} else {
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face_color = Color::White;
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}
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Gfx::IntRect key_cap_side_rect = { cont_rect.x() + 1, cont_rect.y() + 1, cont_rect.width() - 2, cont_rect.height() - 2 };
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Gfx::IntRect key_cap_face_border_rect = { cont_rect.x() + 6, cont_rect.y() + 3, cont_rect.width() - 12, cont_rect.height() - 12 };
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Gfx::IntRect key_cap_face_rect = { cont_rect.x() + 7, cont_rect.y() + 4, cont_rect.width() - 14, cont_rect.height() - 14 };
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painter.draw_rect(cont_rect, Color::Black); // Key cap border
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painter.fill_rect(key_cap_side_rect, Color::from_rgb(0x999999));
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painter.draw_rect(key_cap_face_border_rect, Color::from_rgb(0x8C7272), false);
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painter.fill_rect(key_cap_face_rect, face_color);
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if (text().is_empty() || text().starts_with('\0'))
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return;
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Gfx::IntRect text_rect { 0, 0, font.width(text()), font.glyph_height() };
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text_rect.align_within(key_cap_face_rect, Gfx::TextAlignment::Center);
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painter.draw_text(text_rect, text(), font, Gfx::TextAlignment::Center, Color::Black, Gfx::TextElision::Right);
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if (is_focused())
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painter.draw_rect(text_rect.inflated(6, 4), palette().focus_outline());
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}
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void KeyButton::click(unsigned)
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{
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if (on_click && m_face_hovered)
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on_click();
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}
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void KeyButton::mousemove_event(GUI::MouseEvent& event)
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{
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if (!is_enabled())
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return;
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Gfx::IntRect key_cap_face_rect = { rect().x() + 7, rect().y() + 4, rect().width() - 14, rect().height() - 14 };
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set_face_hovered(key_cap_face_rect.contains(event.position()));
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AbstractButton::mousemove_event(event);
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}
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void KeyButton::leave_event(Core::Event& event)
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{
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set_face_hovered(false);
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AbstractButton::leave_event(event);
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}
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void KeyButton::set_face_hovered(bool value)
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{
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m_face_hovered = value;
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if (m_face_hovered)
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set_override_cursor(Gfx::StandardCursor::Hand);
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else
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set_override_cursor(Gfx::StandardCursor::None);
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}
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