feat: migrate ThinPaddingTextField to BasicTextField(TextFieldState) for GIF keyboard support

Migrates all new post screens from the old BasicTextField(TextFieldValue) to the new BasicTextField(TextFieldState) API, which properly sets EditorInfo.contentMimeTypes to enable GIF keyboard input. Key changes: - Add TextFieldState-based ThinPaddingTextField overload (keep old for readonly dropdowns) - Create UrlUserTagOutputTransformation for the new OutputTransformation API - Create TextFieldState extension functions (insertUrlAtCursor, replaceCurrentWord, currentWord) - Update IMessageField interface to use TextFieldState + onMessageChanged() - Migrate all IMessageField implementors: ChannelNewMessageViewModel, ChatNewMessageViewModel, NewProductViewModel, NewPublicMessageViewModel, CommentPostViewModel, ShortNotePostViewModel, LongFormPostViewModel - Update PreviewState to accept String instead of TextFieldValue - Add TextFieldState overload to UserSuggestionState.replaceCurrentWord() - Update all post screen call sites https://claude.ai/code/session_01FDGf1Zi1pVvzFi3JY5agnJ
2026-03-28 19:09:38 +00:00
parent 7b1c28c4b7
commit 1d208edd33
22 changed files with 636 additions and 298 deletions
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst.commons.compose
+
+import androidx.compose.foundation.text.input.TextFieldState
+import androidx.compose.ui.text.TextRange
+import kotlin.math.max
+import kotlin.math.min
+
+fun TextFieldState.insertUrlAtCursor(url: String) {
+    edit {
+        var toInsert = url.trim()
+        val selStart = selection.start
+        val selEnd = selection.end
+        val text = asCharSequence()
+
+        if (selStart > 0 && text[selStart - 1] != ' ' && text[selStart - 1] != '\n') {
+            toInsert = " $toInsert"
+        }
+
+        // takes the position before adding an empty char after the url
+        val endOfUrlIndex = selStart + toInsert.length
+
+        if (selEnd < length && text[selEnd] != ' ' && text[selEnd] != '\n') {
+            toInsert = "$toInsert "
+        }
+
+        replace(selStart, selEnd, toInsert)
+        selection = TextRange(endOfUrlIndex, endOfUrlIndex)
+    }
+}
+
+fun TextFieldState.replaceCurrentWord(wordToInsert: String) {
+    edit {
+        val text = asCharSequence()
+        val selStart = selection.start
+        val selEnd = selection.end
+        val lastWordStart = currentWordStartIdx(text, selStart)
+        val lastWordEnd = currentWordEndIdx(text, selEnd, length)
+        val cursor = lastWordStart + wordToInsert.length
+        replace(lastWordStart, lastWordEnd, wordToInsert)
+        selection = TextRange(cursor, cursor)
+    }
+}
+
+fun TextFieldState.currentWord(): String {
+    val text = this.text
+    val selection = this.selection
+    if (selection.end != selection.start) return ""
+
+    val start = currentWordStartIdx(text, selection.start)
+    val end = currentWordEndIdx(text, selection.end, text.length)
+
+    return if (start < end) {
+        text.subSequence(start, end).toString()
+    } else {
+        ""
+    }
+}
+
+private fun currentWordStartIdx(
+    text: CharSequence,
+    selectionStart: Int,
+): Int {
+    val previousNewLine = text.lastIndexOf('\n', selectionStart - 1)
+    val previousSpace = text.lastIndexOf(' ', selectionStart - 1)
+
+    return max(
+        previousNewLine,
+        previousSpace,
+    ) + 1
+}
+
+private fun currentWordEndIdx(
+    text: CharSequence,
+    selectionEnd: Int,
+    textLength: Int,
+): Int {
+    val nextNewLine = text.indexOf('\n', selectionEnd)
+    val nextSpace = text.indexOf(' ', selectionEnd)
+
+    if (nextSpace < 0 && nextNewLine < 0) return selectionEnd
+    if (nextSpace > 0 && nextNewLine > 0) {
+        return min(
+            nextNewLine,
+            nextSpace,
+        )
+    }
+    if (nextSpace > 0) {
+        return nextSpace
+    }
+    return nextNewLine
+}
+
+private fun CharSequence.lastIndexOf(
+    char: Char,
+    startIndex: Int,
+): Int {
+    for (i in startIndex downTo 0) {
+        if (this[i] == char) return i
+    }
+    return -1
+}
+
+private fun CharSequence.indexOf(
+    char: Char,
+    startIndex: Int,
+): Int {
+    for (i in startIndex until length) {
+        if (this[i] == char) return i
+    }
+    return -1
+}