Add exercise description onboarding bubble

Remove duplicate IME padding that caused keyboard gap
Add md alias for mkdir helper command
Add dir alias for ls helper command
Add cd.. shortcut for cd .. helper command
This commit is contained in:
Joe Tretter
2026-05-05 20:08:51 -05:00
parent 344ff99f0a
commit b8c4096123
6 changed files with 112 additions and 14 deletions

View File

@@ -1,9 +1,16 @@
package solutions.tretter.githugandroid
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.Canvas
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.foundation.text.selection.SelectionContainer
import androidx.compose.material3.Button
import androidx.compose.material3.ButtonDefaults
@@ -12,7 +19,9 @@ import androidx.compose.material3.Text
import androidx.compose.material3.TextButton
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.Alignment
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.Path
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.dp
@@ -22,6 +31,7 @@ fun ExercisePane(
level: Level,
visibleHint: String?,
suggestionsExpanded: Boolean,
showDescriptionHint: Boolean,
onToggleSuggestions: () -> Unit,
onHint: () -> Unit,
onReset: () -> Unit,
@@ -30,6 +40,9 @@ fun ExercisePane(
modifier = Modifier.fillMaxWidth(),
verticalArrangement = Arrangement.spacedBy(12.dp),
) {
if (showDescriptionHint) {
ExerciseDescriptionHintBubble()
}
SelectionContainer {
Column(verticalArrangement = Arrangement.spacedBy(12.dp)) {
Text(level.title, style = MaterialTheme.typography.titleLarge, color = TextPrimary)
@@ -81,3 +94,40 @@ fun ExercisePane(
}
}
}
@Composable
private fun ExerciseDescriptionHintBubble() {
val bubbleColor = Color(0xFFFFF1A8)
Column(
modifier = Modifier.fillMaxWidth(),
horizontalAlignment = Alignment.Start,
) {
Box(
modifier = Modifier
.background(bubbleColor, RoundedCornerShape(18.dp))
.padding(horizontal = 14.dp, vertical = 10.dp),
) {
Text(
text = "Read the exercise description, then solve it by entering commands below.",
color = Color(0xFF161000),
fontWeight = FontWeight.Bold,
)
}
Canvas(
modifier = Modifier
.padding(start = 28.dp)
.width(26.dp)
.height(13.dp),
) {
drawPath(
path = Path().apply {
moveTo(0f, 0f)
lineTo(size.width, 0f)
lineTo(size.width * 0.25f, size.height)
close()
},
color = bubbleColor,
)
}
}
}

View File

@@ -95,14 +95,15 @@ object GitSandboxEngine {
fun commandReferenceLines(): List<String> = listOf(
"Available sandbox commands:",
" git ",
" ls",
" ls|dir",
" touch <file>",
" help",
" pwd ",
" cat <file>",
" touch <file>",
" mkdir <directory>",
" mkdir|md <directory>",
" cd <directory>",
" cd..",
" rm <file>",
" echo <message>",
)
@@ -117,7 +118,7 @@ object GitSandboxEngine {
if (repo.files.any { it.name == name && !it.deleted }) repo to listOf("$name already exists")
else repo.copy(files = repo.files + GitFile(name = name)) to emptyList()
}
parts[0] == "mkdir" && parts.size >= 2 -> repo to emptyList()
(parts[0] == "mkdir" || parts[0] == "md") && parts.size >= 2 -> repo to emptyList()
parts[0] == "rm" && parts.size >= 2 -> {
val target = parts[1]
repo.copy(files = repo.files.mapNotNull { file ->
@@ -129,7 +130,8 @@ object GitSandboxEngine {
}) to emptyList()
}
parts[0] == "echo" -> writeEcho(repo, parts)
parts[0] == "ls" -> repo to repo.files.filterNot { it.deleted }.map { it.name }.ifEmpty { listOf() }
parts[0] == "ls" || parts[0] == "dir" -> repo to repo.files.filterNot { it.deleted }.map { it.name }.ifEmpty { listOf() }
parts[0] == "cd.." -> repo.copy(currentDir = parentDirectory(repo.currentDir)) to emptyList()
parts[0] != "git" -> repo to listOf("Command not supported in sandbox. Try a git command or 'touch'.")
parts.size >= 2 && parts[1] == "init" -> repo.copy(initialized = true, branches = mapOf("master" to repo.commits.size)) to listOf("Initialized empty Git repository")
!repo.initialized -> repo to listOf("fatal: not a git repository")
@@ -258,6 +260,11 @@ object GitSandboxEngine {
return repo.copy(files = updatedFiles) to emptyList()
}
private fun parentDirectory(currentDir: String): String {
if (currentDir == ".") return "."
return currentDir.substringBeforeLast('/', missingDelimiterValue = ".").ifBlank { "." }
}
fun expandPathspecs(repo: RepoState, arguments: List<String>): List<String> {
return arguments.flatMap { argument ->
if (!argument.hasGlob()) {

View File

@@ -13,7 +13,6 @@ import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.imePadding
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.shape.RoundedCornerShape
@@ -78,6 +77,7 @@ fun GitHugApp() {
var manPageState by remember { mutableStateOf<ManPageState?>(null) }
var solvedCelebrationTitle by remember { mutableStateOf<String?>(null) }
var showTerminalInputHint by remember { mutableStateOf(true) }
var showExerciseDescriptionHint by remember { mutableStateOf(true) }
val currentLevel = levels[currentLevelIndex]
LaunchedEffect(solvedCelebrationTitle) {
@@ -414,6 +414,7 @@ fun GitHugApp() {
if (raw.isBlank()) return
showTerminalInputHint = false
showExerciseDescriptionHint = false
suppressedImeEcho = submittedText
clearCommandInput(recreateField = true)
@@ -460,7 +461,6 @@ fun GitHugApp() {
modifier = Modifier
.fillMaxSize()
.background(AppBackground)
.imePadding()
.verticalScroll(screenScrollState)
.padding(horizontal = 10.dp, vertical = 8.dp),
verticalArrangement = Arrangement.spacedBy(8.dp),
@@ -489,7 +489,9 @@ fun GitHugApp() {
level = currentLevel,
visibleHint = if (activeExerciseDetail == ExerciseDetailPanel.HINT) visibleHint else null,
suggestionsExpanded = activeExerciseDetail == ExerciseDetailPanel.SUGGESTIONS,
showDescriptionHint = showExerciseDescriptionHint,
onToggleSuggestions = {
showExerciseDescriptionHint = false
activeExerciseDetail = if (activeExerciseDetail == ExerciseDetailPanel.SUGGESTIONS) null else ExerciseDetailPanel.SUGGESTIONS
if (activeExerciseDetail == ExerciseDetailPanel.SUGGESTIONS) {
visibleHint = null
@@ -497,13 +499,17 @@ fun GitHugApp() {
applyRecommendedPaneWeights(persist = false)
},
onHint = {
showExerciseDescriptionHint = false
val hint = currentLevel.hints.getOrNull(hintIndex) ?: "No more hints for this level."
visibleHint = hint
activeExerciseDetail = ExerciseDetailPanel.HINT
hintIndex = (hintIndex + 1).coerceAtMost(currentLevel.hints.size)
applyRecommendedPaneWeights(persist = false)
},
onReset = { resetCurrentLevel() },
onReset = {
showExerciseDescriptionHint = false
resetCurrentLevel()
},
)
},
terminalContent = {
@@ -524,6 +530,7 @@ fun GitHugApp() {
suppressedImeEcho = null
if (it.text.isNotEmpty()) {
showTerminalInputHint = false
showExerciseDescriptionHint = false
}
commandInput = it
},

View File

@@ -84,7 +84,7 @@ class GitRepositoryRuntime(private val context: Context) {
add("Native Git prototype:")
add(" binary path: nativeLibraryDir/libgit.so")
add(" selected ABI: ${Build.SUPPORTED_ABIS.firstOrNull() ?: "unknown"}")
add(" helper commands: ls, pwd, cat, touch, mkdir, rm, echo")
add(" helper commands: ls/dir, pwd, cat, touch, mkdir/md, cd.., rm, echo")
add(" visual editors: vi, nano, emacs, ed, ex")
add(" git help <command>")
}
@@ -193,7 +193,7 @@ class GitRepositoryRuntime(private val context: Context) {
private fun executeHelperCommand(sandboxRoot: File, workingDir: File, currentRepo: RepoState, tokens: List<String>): Pair<RepoState, List<String>> {
return when (tokens.first()) {
"ls" -> currentRepo to workingDir.listFiles()
"ls", "dir" -> currentRepo to workingDir.listFiles()
?.filterNot { it.name == ".git" }
?.sortedBy { it.name }
?.map { it.name }
@@ -218,7 +218,7 @@ class GitRepositoryRuntime(private val context: Context) {
currentRepo to emptyList()
}
}
"mkdir" -> {
"mkdir", "md" -> {
val target = tokens.getOrNull(1) ?: return currentRepo to listOf("usage: mkdir <dir>")
val dir = File(workingDir, target)
if (dir.exists()) currentRepo to listOf("mkdir: $target: File exists") else {
@@ -226,8 +226,9 @@ class GitRepositoryRuntime(private val context: Context) {
currentRepo to emptyList()
}
}
"cd" -> {
val target = tokens.getOrNull(1) ?: return currentRepo to listOf("usage: cd <dir>")
"cd", "cd.." -> {
val target = if (tokens.first() == "cd..") ".." else tokens.getOrNull(1)
?: return currentRepo to listOf("usage: cd <dir>")
val dir = File(workingDir, target).canonicalFile
when {
!dir.exists() -> currentRepo to listOf("cd: $target: does not exist")