mirror of
https://github.com/LadybirdBrowser/ladybird.git
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d312011708
Now that WindowServer broadcasts the system theme using an anonymous file, we need clients to pledge "recvfd" so they can receive it. Some programs keep the "shared_buffer" pledge since it's still used for a handful of things.
212 lines
6.6 KiB
C++
212 lines
6.6 KiB
C++
/*
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* Copyright (c) 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/Action.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Frame.h>
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#include <LibGUI/Icon.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/MenuBar.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/Widget.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Path.h>
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#include <math.h>
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class MainFrame final : public GUI::Frame {
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C_OBJECT(MainFrame);
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public:
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virtual void timer_event(Core::TimerEvent&) override
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{
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m_show_scroll_wheel = false;
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stop_timer();
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update();
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}
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virtual void paint_event(GUI::PaintEvent& event) override
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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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painter.fill_rect(frame_inner_rect(), Color::White);
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Gfx::Path path;
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// draw mouse outline
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path.move_to({ 30, 140 });
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path.line_to({ 30, 20 });
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path.line_to({ 65, 12 });
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path.line_to({ 95, 12 });
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path.line_to({ 130, 20 });
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path.line_to({ 130, 140 });
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path.line_to({ 30, 140 });
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// draw button separator
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path.move_to({ 30, 65 });
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path.line_to({ 130, 65 });
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path.move_to({ 65, 65 });
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path.line_to({ 65, 13 });
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path.move_to({ 95, 65 });
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path.line_to({ 95, 13 });
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// draw fw and back button outlines
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path.move_to({ 30, 43 });
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path.line_to({ 25, 43 });
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path.line_to({ 25, 60 });
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path.line_to({ 30, 60 });
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path.move_to({ 30, 70 });
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path.line_to({ 25, 70 });
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path.line_to({ 25, 87 });
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path.line_to({ 30, 87 });
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painter.stroke_path(path, Color::Black, 1);
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if (m_buttons & GUI::MouseButton::Left) {
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painter.fill_rect({ 31, 21, 34, 44 }, Color::Blue);
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painter.draw_triangle({ 30, 21 }, { 65, 21 }, { 65, 12 }, Color::Blue);
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}
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if (m_buttons & GUI::MouseButton::Right) {
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painter.fill_rect({ 96, 21, 34, 44 }, Color::Blue);
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painter.draw_triangle({ 96, 12 }, { 96, 21 }, { 132, 21 }, Color::Blue);
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}
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if (m_buttons & GUI::MouseButton::Middle)
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painter.fill_rect({ 66, 13, 29, 52 }, Color::Blue);
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if (m_buttons & GUI::MouseButton::Forward)
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painter.fill_rect({ 26, 44, 4, 16 }, Color::Blue);
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if (m_buttons & GUI::MouseButton::Back)
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painter.fill_rect({ 26, 71, 4, 16 }, Color::Blue);
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if (m_show_scroll_wheel) {
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auto radius = 10;
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auto off_x = 80;
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auto off_y = 38;
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Gfx::IntPoint p1;
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Gfx::IntPoint p2;
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Gfx::IntPoint p3;
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Gfx::IntPoint p4;
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p1.set_x(radius * cos(M_PI * m_wheel_delta_acc / 18) + off_x);
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p1.set_y(radius * sin(M_PI * m_wheel_delta_acc / 18) + off_y);
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p2.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 18) / 18) + off_x);
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p2.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 18) / 18) + off_y);
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p3.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 9) / 18) + off_x);
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p3.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 9) / 18) + off_y);
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p4.set_x(radius * cos(M_PI * (m_wheel_delta_acc + 27) / 18) + off_x);
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p4.set_y(radius * sin(M_PI * (m_wheel_delta_acc + 27) / 18) + off_y);
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painter.draw_line(p1, p2, Color::Red, 2);
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painter.draw_line(p3, p4, Color::Red, 2);
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}
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}
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void mousedown_event(GUI::MouseEvent& event) override
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{
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m_buttons = event.buttons();
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update();
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}
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void mouseup_event(GUI::MouseEvent& event) override
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{
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m_buttons = event.buttons();
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update();
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}
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void mousewheel_event(GUI::MouseEvent& event) override
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{
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m_wheel_delta_acc = (m_wheel_delta_acc + event.wheel_delta() + 36) % 36;
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m_show_scroll_wheel = true;
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update();
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if (!has_timer())
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start_timer(500);
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}
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private:
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unsigned m_buttons;
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unsigned m_wheel_delta_acc;
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bool m_show_scroll_wheel;
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MainFrame()
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: m_buttons { 0 }
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, m_wheel_delta_acc { 0 }
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, m_show_scroll_wheel { false }
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{
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}
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};
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int main(int argc, char** argv)
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{
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auto app = GUI::Application::construct(argc, argv);
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auto app_icon = GUI::Icon::default_icon("app-mouse");
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if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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if (unveil("/res", "r") < 0) {
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perror("unveil");
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return 1;
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}
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if (unveil(nullptr, nullptr) < 0) {
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perror("unveil");
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return 1;
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}
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auto window = GUI::Window::construct();
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window->set_title("Mouse button demo");
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window->set_icon(app_icon.bitmap_for_size(16));
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window->resize(160, 155);
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auto& main_widget = window->set_main_widget<MainFrame>();
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main_widget.set_fill_with_background_color(true);
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auto menubar = GUI::MenuBar::construct();
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auto& app_menu = menubar->add_menu("Mouse Demo");
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app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
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auto& help_menu = menubar->add_menu("Help");
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help_menu.add_action(GUI::CommonActions::make_about_action("Mouse Demo", app_icon, window));
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app->set_menubar(move(menubar));
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window->set_resizable(false);
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window->show();
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return app->exec();
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}
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