forked from AbleOS/ableos
75 lines
2.8 KiB
Plaintext
75 lines
2.8 KiB
Plaintext
.{math, log, string, random, buffer, memory} := @use("../../stn/src/lib.hb");
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.{Color, Surface, new_surface, put_surface, sync, put_rect, put_filled_rect, text, put_text} := @use("../../render/src/lib.hb");
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.{Channel, Window, WindowProps, WindowData, MessageHeader, BUFFER_SERVER, BUFFER_CLIENT, message, permissions, recv_header, recv_message, send_message, send_header, await_message} := @use("./lib.hb")
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WindowServer := struct {
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window_count: uint,
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channel: Channel,
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// ! replace this with a collection when we get an allocator
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windows: [?WindowData; 10],
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font: text.Font,
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}
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// ! in the future this should be safely handled
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server := @as(WindowServer, idk)
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psf := @embed("../../../assets/consolefonts/tamsyn/10x20r.psf")
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start := fn(): void {
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font := text.font_from_psf2(@bitcast(&psf), false)
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if font == null {
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log.error("server: failed to load asset\0")
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return
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}
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server = .(0, .{client: buffer.create(BUFFER_CLIENT), server: buffer.create(BUFFER_SERVER)}, .(null, null, null, null, null, null, null, null, null, null), @as(text.Font, font))
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log.info("server: started server\0")
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}
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incoming := fn(): bool {
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msg := recv_header(server.channel.server)
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if msg == null {
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return true
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}
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if msg.kind == message.syn {
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log.info("server: recv syn\0")
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channel := Channel.(buffer.create_nameless(), buffer.create_nameless())
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send_message(Channel, message.ack, channel, server.channel.client)
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props := await_message(WindowProps, channel.server)
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if props.header.kind != message.props {
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return true
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}
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log.info("server: recv props\0")
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// ! do inspection of requested props here
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data := WindowData.(props.body, channel, permissions.default)
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send_message(WindowData, message.ack, data, channel.client)
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server.windows[server.window_count] = data
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server.window_count += 1
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}
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return true
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}
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render_clients := fn(screen: Surface): void {
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// support one window for test case
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window := server.windows[0]
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if window == null {
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return
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}
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header := recv_header(window.channel.server)
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if header == null {
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return
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}
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if header.kind != message.frame_ready {
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return
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}
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send_header(message.ack, window.channel.client)
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ptr := await_message(^Color, window.channel.server)
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if ptr.header.kind != message.ack {
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return
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}
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put_surface(screen, .(ptr.body, window.props.dimensions.x, window.props.dimensions.y, window.props.dimensions.x * window.props.dimensions.y), window.props.position, false)
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put_rect(screen, window.props.position - .(1, 1), window.props.dimensions + .(1, 1), .(255, 255, 255, 255))
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put_filled_rect(screen, window.props.position - .(1, 21), .(window.props.dimensions.x + 2, 20), .(255, 255, 255, 255))
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put_text(screen, server.font, window.props.position - .(-2, 20), .(0, 0, 0, 255), window.props.title)
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sync(screen)
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send_header(message.ack, window.channel.client)
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} |