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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.
125 lines
4 KiB
C++
125 lines
4 KiB
C++
/*
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* Copyright (c) 2020, Nico Weber <thakis@chromium.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/Application.h>
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#include <LibGUI/Icon.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/Font.h>
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#include <LibGfx/FontDatabase.h>
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#include <LibGfx/Painter.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/Path.h>
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#include <LibGfx/SystemTheme.h>
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#include <LibGfx/WindowTheme.h>
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const int WIDTH = 300;
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const int HEIGHT = 200;
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class Canvas final : public GUI::Widget {
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C_OBJECT(Canvas)
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public:
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virtual ~Canvas() override;
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private:
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Canvas();
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RefPtr<Gfx::Bitmap> m_bitmap_1x;
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RefPtr<Gfx::Bitmap> m_bitmap_2x;
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void draw(Gfx::Painter& painter);
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virtual void paint_event(GUI::PaintEvent&) override;
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};
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Canvas::Canvas()
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{
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m_bitmap_1x = Gfx::Bitmap::create(Gfx::BitmapFormat::RGB32, { WIDTH, HEIGHT });
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m_bitmap_2x = Gfx::Bitmap::create(Gfx::BitmapFormat::RGB32, { WIDTH * 2, HEIGHT * 2 });
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Gfx::Painter painter_1x(*m_bitmap_1x);
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draw(painter_1x);
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Gfx::Painter painter_2x(*m_bitmap_2x);
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painter_2x.scale(2);
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draw(painter_2x);
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update();
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}
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Canvas::~Canvas()
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{
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}
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void Canvas::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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painter.fill_rect(event.rect(), Color::Magenta);
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painter.blit({ 0, 0 }, *m_bitmap_1x, m_bitmap_1x->rect());
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painter.blit({ 0, HEIGHT }, *m_bitmap_2x, m_bitmap_2x->rect());
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}
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void Canvas::draw(Gfx::Painter& painter)
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{
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auto active_window_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/window.png");
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Gfx::WindowTheme::current().paint_normal_frame(painter, Gfx::WindowTheme::WindowState::Active, { 4, 18, WIDTH - 8, HEIGHT - 29 }, "Well hello friends 🐞", *active_window_icon, palette(), { WIDTH - 20, 6, 16, 16 });
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painter.draw_rect({ 20, 34, WIDTH - 40, HEIGHT - 45 }, palette().color(Gfx::ColorRole::Selection), true);
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painter.draw_rect({ 24, 38, WIDTH - 48, HEIGHT - 53 }, palette().color(Gfx::ColorRole::Selection));
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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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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("LibGfx Scale Demo");
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window->set_resizable(false);
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window->resize(WIDTH * 2, HEIGHT * 3);
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auto app_icon = GUI::Icon::default_icon("app-libgfx-demo");
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window->set_icon(app_icon.bitmap_for_size(16));
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window->set_main_widget<Canvas>();
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window->show();
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return app->exec();
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}
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