From 55f4ca9cd9f0c37fbbad9d38a8b6f8a23be33628 Mon Sep 17 00:00:00 2001
From: Kyren223 <Kyren223@proton.me>
Date: Sun, 8 Dec 2024 17:17:42 +0200
Subject: Backspace and enter support for viminput

---
 internal/client/ui/core/chat/chat.go    |  9 +++++----
 internal/client/ui/viminput/viminput.go | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 4 deletions(-)

(limited to 'internal')

diff --git a/internal/client/ui/core/chat/chat.go b/internal/client/ui/core/chat/chat.go
index a93272f..e143eb0 100644
--- a/internal/client/ui/core/chat/chat.go
+++ b/internal/client/ui/core/chat/chat.go
@@ -14,13 +14,14 @@ type Model struct {
 }
 
 func New() Model {
-	vi := viminput.New(30, 3)
+	vi := viminput.New(90, 3)
 	vi.Placeholder = "Send a message..."
 	vi.PlaceholderStyle = lipgloss.NewStyle().Foreground(colors.Gray)
 	vi.LineDecoration = func(lnum int, m viminput.Model) string {
-		lineNumberDecor := viminput.LineNumberDecoration(lipgloss.NewStyle())
-		lineNumber := lineNumberDecor(lnum, m)
-		return lineNumber + " ┃ "
+		// lineNumberDecor := viminput.LineNumberDecoration(lipgloss.NewStyle())
+		// lineNumber := lineNumberDecor(lnum, m)
+		// return lineNumber + " ┃ "
+		return "┃ "
 	}
 
 	vi.SetLines([]rune("test"), []rune("best"))
diff --git a/internal/client/ui/viminput/viminput.go b/internal/client/ui/viminput/viminput.go
index e3ebd0c..f45c472 100644
--- a/internal/client/ui/viminput/viminput.go
+++ b/internal/client/ui/viminput/viminput.go
@@ -254,6 +254,39 @@ func (m *Model) handleInsertModeKeys(key tea.KeyMsg) tea.Cmd {
 		return nil
 	}
 
+	if key.Type == tea.KeyBackspace {
+		line := m.lines[m.cursorLine]
+		if m.cursorColumn == 0 && m.cursorLine != 0 {
+			lineBefore := m.lines[m.cursorLine-1]
+			cursorColumn := len(lineBefore)
+
+			m.lines = slices.Delete(m.lines, m.cursorLine, m.cursorLine+1)
+			m.lines[m.cursorLine-1] = append(lineBefore, line...)
+
+			m.SetCursorLine(m.cursorLine - 1)
+			m.SetCursorColumn(cursorColumn)
+		} else if len(line) != 0 {
+			m.lines[m.cursorLine] = slices.Delete(line, m.cursorColumn-1, m.cursorColumn)
+			m.SetCursorColumn(m.cursorColumn - 1)
+		}
+		return nil
+	}
+
+	if key.Type == tea.KeyEnter {
+		line := m.lines[m.cursorLine]
+		after := line[m.cursorColumn:]
+		m.lines[m.cursorLine] = line[:m.cursorColumn]
+
+		var newline []rune
+		newline = append(newline, after...)
+		m.lines = slices.Insert(m.lines, m.cursorLine+1, newline)
+
+		m.SetCursorLine(m.cursorLine + 1)
+		m.SetCursorColumn(0)
+
+		return nil
+	}
+
 	keyStr := key.String()
 	length := len(keyStr)
 	if length == 1 && 32 <= keyStr[0] && keyStr[0] <= 126 {
-- 
cgit v1.3.1