78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
#include <pake/window.hpp>
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#include <cassert>
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//TODO: handle errors on socket connection, read, and write
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namespace pake {
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window::window(int width, int height, const std::string &title)
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: width(width), height(height), contents(width, height), root() {
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euler::syscall::connect_to_socket("hilbert.compositor", socket);
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assert(width >= 0 && height >= 0);
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struct [[gnu::packed]] { uint8_t type; uint32_t width; uint32_t height; }
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dimensions_pkt = {.type = 0x02, .width = (uint32_t)width, .height = (uint32_t)height };
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euler::syscall::write_to_stream(socket, sizeof(dimensions_pkt), &dimensions_pkt);
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assert(title.size() <= UINT32_MAX);
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struct [[gnu::packed]] { uint8_t type; uint32_t length; }
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title_pkt = {.type = 0x03, .length = (uint32_t)title.size() };
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euler::syscall::write_to_stream(socket, sizeof(title_pkt), &title_pkt);
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euler::syscall::write_to_stream(socket, title.size(), title.data());
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}
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window::~window() {
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euler::syscall::close_stream(socket);
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}
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void window::show() {
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uint8_t packet = 0;
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euler::syscall::write_to_stream(socket, 1, &packet);
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}
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void window::hide() {
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uint8_t packet = 1;
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euler::syscall::write_to_stream(socket, 1, &packet);
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}
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void window::set_root(std::unique_ptr<widget> &&w) {
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root = std::move(w);
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root->notify_size(width, height);
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root->render(contents, 0, 0, true);
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}
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void window::render_and_send_to_compositor() {
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root->render(contents, 0, 0, false);
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auto dirties = contents.get_dirty_regions();
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for (auto it = dirties.cbegin(); it != dirties.cend(); ++it) {
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struct [[gnu::packed]] {
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uint8_t type;
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uint32_t start_x; uint32_t start_y;
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uint32_t width; uint32_t height;
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} update_pkt = {
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.type = 0x04,
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.start_x = (uint32_t)it->start_x, .start_y = (uint32_t)it->start_y,
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. width = (uint32_t)it-> width, . height = (uint32_t)it-> height
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};
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euler::syscall::write_to_stream(socket, sizeof(update_pkt), &update_pkt);
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for (int y = it->start_y; y < it->start_y + it->height; ++y)
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euler::syscall::write_to_stream(socket,
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it->width * sizeof(daguerre::hilbert_color),
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&contents.image.at(it->start_x, y));
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}
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contents.clear_dirty();
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}
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}
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