/* * Copyright (c) 2020, Andreas Kling * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include class MainFrame final : public GUI::Frame { C_OBJECT(MainFrame); public: virtual void timer_event(Core::TimerEvent&) override { m_show_scroll_wheel = false; stop_timer(); update(); } virtual void paint_event(GUI::PaintEvent& event) override { GUI::Painter painter(*this); painter.add_clip_rect(event.rect()); painter.fill_rect(frame_inner_rect(), Color::White); Gfx::Path path; // draw mouse outline path.move_to({ 30, 140 }); path.line_to({ 30, 20 }); path.line_to({ 65, 12 }); path.line_to({ 95, 12 }); path.line_to({ 130, 20 }); path.line_to({ 130, 140 }); path.line_to({ 30, 140 }); // draw button separator path.move_to({ 30, 65 }); path.line_to({ 130, 65 }); path.move_to({ 65, 65 }); path.line_to({ 65, 13 }); path.move_to({ 95, 65 }); path.line_to({ 95, 13 }); // draw fw and back button outlines path.move_to({ 30, 43 }); path.line_to({ 25, 43 }); path.line_to({ 25, 60 }); path.line_to({ 30, 60 }); path.move_to({ 30, 70 }); path.line_to({ 25, 70 }); path.line_to({ 25, 87 }); path.line_to({ 30, 87 }); painter.stroke_path(path, Color::Black, 1); if (m_buttons & GUI::MouseButton::Left) { painter.fill_rect({ 31, 21, 34, 44 }, Color::Blue); painter.draw_triangle({ 30, 21 }, { 65, 21 }, { 65, 12 }, Color::Blue); } if (m_buttons & GUI::MouseButton::Right) { painter.fill_rect({ 96, 21, 34, 44 }, Color::Blue); painter.draw_triangle({ 96, 12 }, { 96, 21 }, { 132, 21 }, Color::Blue); } if (m_buttons & GUI::MouseButton::Middle) painter.fill_rect({ 66, 13, 29, 52 }, Color::Blue); if (m_buttons & GUI::MouseButton::Forward) painter.fill_rect({ 26, 44, 4, 16 }, Color::Blue); if (m_buttons & GUI::MouseButton::Back) painter.fill_rect({ 26, 71, 4, 16 }, Color::Blue); if (m_show_scroll_wheel) { auto radius = 10; auto off_x = 80; auto off_y = 38; Gfx::IntPoint p1; Gfx::IntPoint p2; Gfx::IntPoint p3; Gfx::IntPoint p4; p1.set_x(radius * cos(M_PI * m_wheel_delta_acc / 18) + off_x); p1.set_y(radius * sin(M_PI * m_wheel_delta_acc / 18) + off_y); p2.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 18) / 18) + off_x); p2.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 18) / 18) + off_y); p3.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 9) / 18) + off_x); p3.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 9) / 18) + off_y); p4.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 27) / 18) + off_x); p4.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 27) / 18) + off_y); painter.draw_line(p1, p2, Color::Red, 2); painter.draw_line(p3, p4, Color::Red, 2); } } void mousedown_event(GUI::MouseEvent& event) override { m_buttons = event.buttons(); update(); } void mouseup_event(GUI::MouseEvent& event) override { m_buttons = event.buttons(); update(); } void mousewheel_event(GUI::MouseEvent& event) override { m_wheel_delta_acc = (m_wheel_delta_acc + event.wheel_delta() + 36) % 36; m_show_scroll_wheel = true; update(); if (!has_timer()) start_timer(500); } private: unsigned m_buttons; unsigned m_wheel_delta_acc; bool m_show_scroll_wheel; MainFrame() : m_buttons { 0 } , m_wheel_delta_acc { 0 } , m_show_scroll_wheel { false } { } }; int main(int argc, char** argv) { auto app = GUI::Application::construct(argc, argv); auto app_icon = GUI::Icon::default_icon("app-mouse"); if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) { perror("pledge"); return 1; } if (unveil("/res", "r") < 0) { perror("unveil"); return 1; } if (unveil(nullptr, nullptr) < 0) { perror("unveil"); return 1; } auto window = GUI::Window::construct(); window->set_title("Mouse button demo"); window->set_icon(app_icon.bitmap_for_size(16)); window->resize(160, 155); auto& main_widget = window->set_main_widget(); main_widget.set_fill_with_background_color(true); auto menubar = GUI::MenuBar::construct(); auto& app_menu = menubar->add_menu("Mouse Demo"); app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })); auto& help_menu = menubar->add_menu("Help"); help_menu.add_action(GUI::CommonActions::make_about_action("Mouse Demo", app_icon, window)); app->set_menubar(move(menubar)); window->set_resizable(false); window->show(); return app->exec(); }