BuildSystem: Move all userpace libraries under the userspace directory
As the number of libraries is increasing, root directory starts to expand. This adds better organization for libraries
This commit is contained in:
230
userspace/libraries/LibGUI/Window.cpp
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230
userspace/libraries/LibGUI/Window.cpp
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#include "LibGUI/Window.h"
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#include <LibFont/Font.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <sys/banan-os.h>
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#include <sys/mman.h>
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#include <sys/select.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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namespace LibGUI
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{
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Window::~Window()
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{
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munmap(m_framebuffer, m_width * m_height * 4);
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close(m_server_fd);
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}
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BAN::ErrorOr<BAN::UniqPtr<Window>> Window::create(uint32_t width, uint32_t height, BAN::StringView title)
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{
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if (title.size() >= sizeof(WindowCreatePacket::title))
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return BAN::Error::from_errno(EINVAL);
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int server_fd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
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if (server_fd == -1)
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return BAN::Error::from_errno(errno);
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if (fcntl(server_fd, F_SETFL, fcntl(server_fd, F_GETFL) | O_CLOEXEC) == -1)
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return BAN::Error::from_errno(errno);
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timespec start_time;
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clock_gettime(CLOCK_MONOTONIC, &start_time);
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for (;;)
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{
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sockaddr_un server_address;
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server_address.sun_family = AF_UNIX;
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strcpy(server_address.sun_path, s_window_server_socket.data());
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if (connect(server_fd, (sockaddr*)&server_address, sizeof(server_address)) == 0)
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break;
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timespec current_time;
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clock_gettime(CLOCK_MONOTONIC, ¤t_time);
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time_t duration_s = (current_time.tv_sec - start_time.tv_sec) + (current_time.tv_nsec >= start_time.tv_nsec);
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if (duration_s > 10)
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{
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close(server_fd);
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return BAN::Error::from_errno(ETIMEDOUT);
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}
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timespec sleep_time;
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sleep_time.tv_sec = 0;
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sleep_time.tv_nsec = 1'000'000;
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nanosleep(&sleep_time, nullptr);
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}
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WindowCreatePacket packet;
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packet.width = width;
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packet.height = height;
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strncpy(packet.title, title.data(), title.size());
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packet.title[title.size()] = '\0';
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if (send(server_fd, &packet, sizeof(packet), 0) != sizeof(packet))
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{
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close(server_fd);
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return BAN::Error::from_errno(errno);
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}
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WindowCreateResponse response;
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if (recv(server_fd, &response, sizeof(response), 0) != sizeof(response))
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{
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close(server_fd);
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return BAN::Error::from_errno(errno);
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}
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void* framebuffer_addr = smo_map(response.framebuffer_smo_key);
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if (framebuffer_addr == nullptr)
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{
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close(server_fd);
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return BAN::Error::from_errno(errno);
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}
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return TRY(BAN::UniqPtr<Window>::create(
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server_fd,
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static_cast<uint32_t*>(framebuffer_addr),
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width,
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height
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));
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}
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void Window::fill_rect(int32_t x, int32_t y, uint32_t width, uint32_t height, uint32_t color)
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{
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if (!clamp_to_framebuffer(x, y, width, height))
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return;
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for (uint32_t y_off = 0; y_off < height; y_off++)
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for (uint32_t x_off = 0; x_off < width; x_off++)
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set_pixel(x + x_off, y + y_off, color);
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}
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void Window::draw_character(uint32_t codepoint, const LibFont::Font& font, int32_t tl_x, int32_t tl_y, uint32_t color)
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{
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if (tl_y + (int32_t)font.height() < 0 || tl_y >= (int32_t)height())
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return;
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if (tl_x + (int32_t)font.width() < 0 || tl_x >= (int32_t)width())
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return;
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auto glyph = font.glyph(codepoint);
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if (glyph == nullptr)
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return;
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for (int32_t off_y = 0; off_y < (int32_t)font.height(); off_y++)
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{
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if (tl_y + off_y < 0)
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continue;
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uint32_t abs_y = tl_y + off_y;
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if (abs_y >= height())
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break;
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for (int32_t off_x = 0; off_x < (int32_t)font.width(); off_x++)
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{
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if (tl_x + off_x < 0)
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continue;
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uint32_t abs_x = tl_x + off_x;
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if (abs_x >= width())
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break;
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const uint8_t bitmask = 1 << (font.width() - off_x - 1);
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if (glyph[off_y * font.pitch()] & bitmask)
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set_pixel(abs_x, abs_y, color);
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}
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}
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}
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void Window::draw_text(BAN::StringView text, const LibFont::Font& font, int32_t tl_x, int32_t tl_y, uint32_t color)
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{
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for (size_t i = 0; i < text.size(); i++)
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draw_character(text[i], font, tl_x + (int32_t)(i * font.width()), tl_y, color);
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}
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void Window::shift_vertical(int32_t amount)
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{
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uint32_t amount_abs = BAN::Math::abs(amount);
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if (amount_abs == 0 || amount_abs >= height())
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return;
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uint32_t* dst = (amount > 0) ? m_framebuffer + width() * amount_abs : m_framebuffer;
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uint32_t* src = (amount < 0) ? m_framebuffer + width() * amount_abs : m_framebuffer;
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memmove(dst, src, width() * (height() - amount_abs) * 4);
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}
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bool Window::clamp_to_framebuffer(int32_t& signed_x, int32_t& signed_y, uint32_t& width, uint32_t& height) const
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{
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int32_t min_x = BAN::Math::max<int32_t>(signed_x, 0);
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int32_t min_y = BAN::Math::max<int32_t>(signed_y, 0);
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int32_t max_x = BAN::Math::min<int32_t>(this->width(), signed_x + (int32_t)width);
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int32_t max_y = BAN::Math::min<int32_t>(this->height(), signed_y + (int32_t)height);
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if (min_x >= max_x)
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return false;
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if (min_y >= max_y)
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return false;
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signed_x = min_x;
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signed_y = min_y;
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width = max_x - min_x;
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height = max_y - min_y;
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return true;
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}
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bool Window::invalidate(int32_t x, int32_t y, uint32_t width, uint32_t height)
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{
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if (!clamp_to_framebuffer(x, y, width, height))
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return true;
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WindowInvalidatePacket packet;
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packet.x = x;
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packet.y = y;
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packet.width = width;
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packet.height = height;
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return send(m_server_fd, &packet, sizeof(packet), 0) == sizeof(packet);
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}
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void Window::poll_events()
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{
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for (;;)
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{
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fd_set fds;
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FD_ZERO(&fds);
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FD_SET(m_server_fd, &fds);
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timeval timeout { .tv_sec = 0, .tv_usec = 0 };
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select(m_server_fd + 1, &fds, nullptr, nullptr, &timeout);
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if (!FD_ISSET(m_server_fd, &fds))
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break;
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EventPacket packet;
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if (recv(m_server_fd, &packet, sizeof(packet), 0) <= 0)
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break;
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switch (packet.type)
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{
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case EventPacket::Type::DestroyWindow:
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exit(1);
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case EventPacket::Type::CloseWindow:
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if (m_close_window_event_callback)
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m_close_window_event_callback();
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else
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exit(0);
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break;
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case EventPacket::Type::KeyEvent:
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if (m_key_event_callback)
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m_key_event_callback(packet.key_event);
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break;
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case EventPacket::Type::MouseButtonEvent:
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if (m_mouse_button_event_callback)
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m_mouse_button_event_callback(packet.mouse_button_event);
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break;
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case EventPacket::Type::MouseMoveEvent:
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if (m_mouse_move_event_callback)
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m_mouse_move_event_callback(packet.mouse_move_event);
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break;
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case EventPacket::Type::MouseScrollEvent:
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if (m_mouse_scroll_event_callback)
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m_mouse_scroll_event_callback(packet.mouse_scroll_event);
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break;
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}
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}
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}
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}
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