fix: presentation navigation now works correctly again
This commit is contained in:
Alexander Gehrke
parent
3ad18addb0
commit
add8e9a714
125
copret/src/Presentation.scala
Normal file
125
copret/src/Presentation.scala
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@ -0,0 +1,125 @@
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package de.qwertyuiop.copret
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import os.Path
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import Terminal.*
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import syntax.*
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case class Presentation(
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slides: Vector[Slide],
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meta: Map[String, String] = Map.empty,
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):
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def start(using keymap: Keymap = Keymap.default) =
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Terminal.enterRawMode()
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Terminal.hideCursor()
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Thread.sleep(1000)
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run()
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import Presentation._
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def run()(using keymap: Keymap) =
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logger.info("Starting presentation")
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import SlideAction.*
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@annotation.tailrec
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def rec(currentPos: Int, action: SlideAction): Unit =
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logger.info(s"Executing slide $currentPos with action $action")
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inline def redraw() =
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logger.info(s"redrawing ${currentPos}")
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// rec(currentPos - 1, QuickNext)
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navigate(currentPos, true, 0)(executeQuick)
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inline def navigate(pos: Int, condition: Boolean, direction: Int)(
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executor: Int => Slide => Unit,
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) =
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logger.info(s"Navigating from ${pos}, condition is $condition, direction is ${direction}")
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if condition then
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executor(pos + direction)(slides(pos + direction))
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rec(pos + direction, waitkey)
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else rec(pos, waitkey)
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inline def runInteractive(cmd: Vector[String], path: Path) =
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logger.info(s"Running interactive command ${cmd} with working directory ${path}")
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Terminal.showCursor()
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try os.proc(cmd).call(cwd = path)
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catch case _ => ()
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Terminal.hideCursor()
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Terminal.clear()
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redraw()
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action match
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case Start => navigate(0, true, 0)(executeSlide)
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case Next => navigate(currentPos, currentPos + 1 < slides.size, 1)(executeSlide)
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case QuickNext => navigate(currentPos, currentPos + 1 < slides.size, 1)(executeQuick)
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case Prev => navigate(currentPos, currentPos > 0, -1)(executeQuick)
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case Interactive(cmd, path) => runInteractive(cmd, path)
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case Goto(target) =>
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for i <- 0 until target
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do executeSilent(i)()
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rec(target - 1, QuickNext)
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case GotoSelect =>
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promptSlide() match
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case Some(i) => rec(currentPos, Goto(i))
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case None => redraw()
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case Help =>
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Terminal.clear()
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println(keymap.help)
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waitkey
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redraw()
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case Other(codes) =>
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Terminal.printStatus(action.show)
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rec(currentPos, waitkey)
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case Quit =>
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Terminal.showCursor()
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end match
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end rec
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rec(0, Start)
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end run
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def promptSlide() =
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val maxSlide = slides.size
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prompt(s"Go to slide (1 - $maxSlide):", _.toIntOption)(
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(res, input) => res.filter((1 to maxSlide).contains).isEmpty && input.nonEmpty,
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in => s"No such slide: $in (empty input to abort)",
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).map(_ - 1)
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def executeSlide(pos: Int)(
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slide: Slide = slides(pos),
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): Unit = slide match
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case Paragraph(contents) => println(contents)
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case Clear => Terminal.clear()
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case PauseKey => waitkey(using Keymap.empty)
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case Pause(msec) => Thread.sleep(msec)
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case incMd @ IncludeMarkdown(_) => println(incMd.markdownBlock())
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case Image(file, None) => println(KittyGraphicsProtocol.showImage(file))
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case Image(file, Some(ImageSize(w, h, aspect))) =>
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println(KittyGraphicsProtocol.showImage(file)) // TODO
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case cmd: TypedCommand[_] => cmd.show()
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case Silent(actions) => actions()
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case Group(slides) => slides.foreach(executeSlide(pos))
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case lios @ LazyIOSlide(_, display) => executeSlide(pos)(lios.genSlide())
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case Meta(genSlide) => executeSlide(pos)(genSlide(this, pos))
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def executeQuick(pos: Int)(
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slide: Slide = slides(pos),
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): Unit = slide match
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case Pause(msec) => ()
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case PauseKey => ()
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case cmd: TypedCommand[_] => cmd.quickShow()
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case Group(slides) => slides.foreach(executeQuick(pos))
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case lios @ LazyIOSlide(_, display) => executeQuick(pos)(lios.genSlide())
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case _ => executeSlide(pos)(slide)
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def executeSilent(pos: Int)(
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slide: Slide = slides(pos),
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): Unit = slide match
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case cmd: TypedCommand[_] => cmd.force()
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case Group(slides) => slides.foreach(executeSilent(pos))
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case lios @ LazyIOSlide(_, display) =>
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executeSilent(pos)(lios.genSlide())
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case Paragraph(_) | Image(_, _) | Clear | IncludeMarkdown(_) | Meta(_) => ()
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case _ => executeQuick(pos)(slide)
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end Presentation
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16
copret/src/logger.scala
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16
copret/src/logger.scala
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@ -0,0 +1,16 @@
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package de.qwertyuiop.copret
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object logger:
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import java.util.logging.*
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val log = Logger.getLogger("copret")
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val fh = FileHandler("/tmp/copret.log")
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log.addHandler(fh)
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log.setUseParentHandlers(false)
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System.setProperty(
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"java.util.logging.SimpleFormatter.format",
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"%1$tY-%1$tm-%1$tdT%1$tH:%1$tM:%1$tS.%1$tN %1$Tp %2$s: %4$s: %5$s%6$s%n",
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)
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fh.setFormatter(new SimpleFormatter())
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fh.setLevel(Level.ALL)
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export log.*
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@ -4,119 +4,6 @@ import os.Path
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import Terminal.*
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import syntax.*
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case class Presentation(
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slides: Vector[Slide],
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meta: Map[String, String] = Map.empty,
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):
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def start(using keymap: Keymap = Keymap.default) =
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Terminal.enterRawMode()
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Terminal.hideCursor()
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Thread.sleep(1000)
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run()
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import Presentation._
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def run()(using keymap: Keymap) =
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import SlideAction.*
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@annotation.tailrec
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def rec(pos: Int, action: SlideAction): Unit =
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inline def redraw() = rec(pos - 1, QuickNext)
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inline def navigate(pos: Int, condition: Boolean, direction: Int)(
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executor: Int => Slide => Unit,
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) =
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if condition then
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executor(pos + direction)(slides(pos))
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rec(pos + direction, waitkey)
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else rec(pos, waitkey)
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inline def runInteractive(cmd: Vector[String], path: Path) =
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Terminal.showCursor()
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try os.proc(cmd).call(cwd = path)
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catch case _ => ()
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Terminal.hideCursor()
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Terminal.clear()
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redraw()
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action match
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case Start => navigate(0, true, 0)(executeSlide)
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case Next => navigate(pos, pos + 1 < slides.size, 1)(executeSlide)
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case QuickNext => navigate(pos, pos + 1 < slides.size, 1)(executeQuick)
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case Prev => navigate(pos, pos > 0, -1)(executeQuick)
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case Interactive(cmd, path) => runInteractive(cmd, path)
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case Goto(target) =>
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for i <- 0 until target
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do executeSilent(i)()
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rec(target - 1, QuickNext)
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case GotoSelect =>
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promptSlide() match
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case Some(i) => rec(pos, Goto(i))
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case None => redraw()
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case Help =>
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Terminal.clear()
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println(keymap.help)
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waitkey
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redraw()
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case Other(codes) =>
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Terminal.printStatus(action.show)
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rec(pos, waitkey)
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case Quit =>
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Terminal.showCursor()
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end match
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end rec
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rec(0, Start)
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end run
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def promptSlide() =
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val maxSlide = slides.size - 1
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prompt(s"Go to slide (0 - $maxSlide):", _.toIntOption)(
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(res, input) => res.filter((0 to maxSlide).contains).isEmpty && input.nonEmpty,
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in => s"No such slide: $in (empty input to abort)",
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)
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def executeSlide(pos: Int)(
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slide: Slide = slides(pos),
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): Unit = slide match
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case Paragraph(contents) => println(contents)
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case Clear => Terminal.clear()
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case PauseKey => waitkey(using Keymap.empty)
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case Pause(msec) => Thread.sleep(msec)
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case incMd @ IncludeMarkdown(_) => println(incMd.markdownBlock())
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case Image(file, None) => println(KittyGraphicsProtocol.showImage(file))
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case Image(file, Some(ImageSize(w, h, aspect))) =>
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println(KittyGraphicsProtocol.showImage(file)) // TODO
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case cmd: TypedCommand[_] => cmd.show()
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case Silent(actions) => actions()
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case Group(slides) => slides.foreach(executeSlide(pos))
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case lios @ LazyIOSlide(_, display) => executeSlide(pos)(lios.genSlide())
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case Meta(genSlide) => executeSlide(pos)(genSlide(this, pos))
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def executeQuick(pos: Int)(
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slide: Slide = slides(pos),
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): Unit = slide match
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case Pause(msec) => ()
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case PauseKey => ()
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case cmd: TypedCommand[_] => cmd.quickShow()
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case Group(slides) => slides.foreach(executeQuick(pos))
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case lios @ LazyIOSlide(_, display) => executeQuick(pos)(lios.genSlide())
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case _ => executeSlide(pos)(slide)
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def executeSilent(pos: Int)(
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slide: Slide = slides(pos),
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): Unit = slide match
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case cmd: TypedCommand[_] => cmd.force()
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case Group(slides) => slides.foreach(executeSilent(pos))
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case lios @ LazyIOSlide(_, display) =>
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executeSilent(pos)(lios.genSlide())
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case Paragraph(_) | Image(_, _) | Clear | IncludeMarkdown(_) | Meta(_) => ()
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case _ => executeQuick(pos)(slide)
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end Presentation
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case class ImageSize(width: Double, height: Double, keepAspect: Boolean)
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sealed trait Slide
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@ -209,14 +96,14 @@ object TypedCommand:
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def runShell(using Path): Vector[String] => String =
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c => runProcess(Vector(shell, "-c", c.mkString(" ")))
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def runInteractive(using Path): Vector[String] => String =
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c => { os.proc(c).call(stdin = os.Inherit, stdout = os.Inherit, stderr = os.Inherit); "" }
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def runInteractive(using cwd: Path): Vector[String] => String =
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c => { os.proc(c).call(stdin = os.Inherit, stdout = os.Inherit, stderr = os.Inherit, cwd = cwd); "" }
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def apply(cmd: String*)(using Path): TypedCommand[Vector[String]] =
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TypedCommand(run, cmd.mkString(" "), cmd.toVector)
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def apply[T](exec: T => String, display: String, cmd: T) =
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new TypedCommand(exec, display, cmd, false, false)
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def apply[T](exec: T => String, display: String, cmd: T): TypedCommand[T] =
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TypedCommand(exec, display, cmd, false, false)
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def shell(cmd: String*)(using Path): TypedCommand[Vector[String]] =
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TypedCommand(runShell, cmd.mkString(" "), cmd.toVector)
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