From 812b3c9b57b2128be7978f58280a979ea9b5720a Mon Sep 17 00:00:00 2001
From: Nimaoth <nicolas.otremba@web.de>
Date: Fri, 26 Apr 2024 21:48:26 +0200
Subject: [PATCH] Fixed issues with indenting

---
 scripting/editor_text_api_wasm.nim | 14 ++++++++++++++
 src/text/text_editor.nim           | 22 ++++++++++++++++++----
 2 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/scripting/editor_text_api_wasm.nim b/scripting/editor_text_api_wasm.nim
index ae68ccc6..615fd6d8 100644
--- a/scripting/editor_text_api_wasm.nim
+++ b/scripting/editor_text_api_wasm.nim
@@ -633,6 +633,20 @@ proc unindent*(self: TextDocumentEditor) =
       argsJsonString.cstring)
 
 
+proc editor_text_insertIndent_void_TextDocumentEditor_wasm(arg: cstring): cstring {.
+    importc.}
+proc insertIndent*(self: TextDocumentEditor) =
+  var argsJson = newJArray()
+  argsJson.add block:
+    when TextDocumentEditor is JsonNode:
+      self
+    else:
+      self.toJson()
+  let argsJsonString = $argsJson
+  let res {.used.} = editor_text_insertIndent_void_TextDocumentEditor_wasm(
+      argsJsonString.cstring)
+
+
 proc editor_text_undo_void_TextDocumentEditor_string_wasm(arg: cstring): cstring {.
     importc.}
 proc undo*(self: TextDocumentEditor; checkpoint: string = "word") =
diff --git a/src/text/text_editor.nim b/src/text/text_editor.nim
index 2d3765f7..bd16aac4 100644
--- a/src/text/text_editor.nim
+++ b/src/text/text_editor.nim
@@ -931,11 +931,15 @@ proc unindent*(self: TextDocumentEditor) {.expose("editor.text").} =
 
   var indentSelections: Selections = @[]
   for l in linesToIndent:
-    let firstNonWhitespace = self.document.lines[l].firstNonWhitespace
-    indentSelections.add ((l, 0), (l, min(self.document.indentStyle.indentColumns, firstNonWhitespace)))
+    case self.document.indentStyle.kind
+    of Spaces:
+      let firstNonWhitespace = self.document.lines[l].firstNonWhitespace
+      indentSelections.add ((l, 0), (l, min(self.document.indentStyle.indentColumns, firstNonWhitespace)))
+    of Tabs:
+      indentSelections.add ((l, 0), (l, 1))
 
   var selections = self.selections
-  discard self.document.delete(indentSelections.normalized, self.selections, inclusiveEnd=self.useInclusiveSelections)
+  discard self.document.delete(indentSelections.normalized, self.selections)
 
   for s in selections.mitems:
     if s.first.line in linesToIndent:
@@ -944,6 +948,16 @@ proc unindent*(self: TextDocumentEditor) {.expose("editor.text").} =
       s.last.column = max(0, s.last.column - self.document.indentStyle.indentColumns)
   self.selections = selections
 
+proc insertIndent*(self: TextDocumentEditor) {.expose("editor.text").} =
+  var insertTexts = newSeq[string]()
+
+  # todo: for spaces, calculate alignment
+  let indent = self.document.indentStyle.getString()
+  for selection in self.selections:
+    insertTexts.add indent
+
+  self.selections = self.document.edit(self.selections, self.selections, insertTexts).mapIt(it.last.toSelection)
+
 proc undo*(self: TextDocumentEditor, checkpoint: string = "word") {.expose("editor.text").} =
   if self.document.undo(self.selections, true, checkpoint).getSome(selections):
     self.selections = selections
@@ -2103,7 +2117,7 @@ proc applySelectedCompletion*(self: TextDocumentEditor) {.expose("editor.text").
 
   self.addNextCheckpoint("insert")
   let newSelections = self.document.edit(editSelections, self.selections, insertTexts)
-  self.selection = newSelections[newSelections.high]
+  self.selection = newSelections[newSelections.high].last.toSelection
 
   self.currentSnippetData = snippetData
   self.selectNextTabStop()