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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <Kernel/API/KeyCode.h>
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#include <LibGfx/Color.h>
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#include <LibGfx/Rect.h>
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#include <LibGfx/Size.h>
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struct MousePacket;
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namespace WindowServer {
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constexpr double mouse_accel_max = 3.5;
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constexpr double mouse_accel_min = 0.5;
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constexpr unsigned scroll_step_size_min = 1;
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class Screen {
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public:
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Screen(unsigned width, unsigned height, int scale_factor);
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~Screen();
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bool set_resolution(int width, int height, int scale_factor);
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bool can_set_buffer() { return m_can_set_buffer; }
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void set_buffer(int index);
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int physical_width() const { return width() * scale_factor(); }
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int physical_height() const { return height() * scale_factor(); }
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size_t pitch() const { return m_pitch; }
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int width() const { return m_width; }
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int height() const { return m_height; }
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int scale_factor() const { return m_scale_factor; }
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Gfx::RGBA32* scanline(int y);
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static Screen& the();
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Gfx::IntSize physical_size() const { return { physical_width(), physical_height() }; }
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Gfx::IntRect physical_rect() const { return { { 0, 0 }, physical_size() }; }
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Gfx::IntSize size() const { return { width(), height() }; }
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Gfx::IntRect rect() const { return { { 0, 0 }, size() }; }
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Gfx::IntPoint cursor_location() const { return m_physical_cursor_location / m_scale_factor; }
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unsigned mouse_button_state() const { return m_mouse_button_state; }
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double acceleration_factor() const { return m_acceleration_factor; }
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void set_acceleration_factor(double);
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unsigned scroll_step_size() const { return m_scroll_step_size; }
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void set_scroll_step_size(unsigned);
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void on_receive_mouse_data(const MousePacket&);
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void on_receive_keyboard_data(::KeyEvent);
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private:
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void on_change_resolution(int pitch, int physical_width, int physical_height, int scale_factor);
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size_t m_size_in_bytes;
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Gfx::RGBA32* m_framebuffer { nullptr };
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bool m_can_set_buffer { false };
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int m_pitch { 0 };
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int m_width { 0 };
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int m_height { 0 };
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int m_framebuffer_fd { -1 };
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int m_scale_factor { 1 };
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Gfx::IntPoint m_physical_cursor_location;
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unsigned m_mouse_button_state { 0 };
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unsigned m_modifiers { 0 };
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double m_acceleration_factor { 1.0 };
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unsigned m_scroll_step_size { 1 };
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};
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inline Gfx::RGBA32* Screen::scanline(int y)
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{
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return reinterpret_cast<Gfx::RGBA32*>(((u8*)m_framebuffer) + (y * m_pitch));
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}
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}
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