From 3ea8a7087417e1d20b62c3caa2874cea2a7b04c6 Mon Sep 17 00:00:00 2001
From: nikitar020 <42252263+nikitar020@users.noreply.github.com>
Date: Fri, 25 Jan 2019 18:17:04 +0000
Subject: [PATCH] Clear selection on "reset mode" sequence (#172)

---
 buffer/buffer.go     | 8 ++++++++
 terminal/csi.go      | 1 +
 terminal/terminal.go | 2 +-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/buffer/buffer.go b/buffer/buffer.go
index 08389e0..f301374 100644
--- a/buffer/buffer.go
+++ b/buffer/buffer.go
@@ -282,6 +282,14 @@ func (buffer *Buffer) EndSelection(col uint16, viewRow uint16, complete bool) {
 	}
 }
 
+func (buffer *Buffer) ClearSelection() {
+	buffer.selectionStart = nil
+	buffer.selectionEnd = nil
+	buffer.selectionComplete = true
+
+	buffer.emitDisplayChange()
+}
+
 func (buffer *Buffer) InSelection(col uint16, row uint16) bool {
 
 	if buffer.selectionStart == nil || buffer.selectionEnd == nil {
diff --git a/terminal/csi.go b/terminal/csi.go
index ea39a6f..ec172af 100644
--- a/terminal/csi.go
+++ b/terminal/csi.go
@@ -422,6 +422,7 @@ func csiEraseCharactersHandler(params []string, terminal *Terminal) error {
 }
 
 func csiResetModeHandler(params []string, terminal *Terminal) error {
+	terminal.ActiveBuffer().ClearSelection()
 	return csiSetMode(strings.Join(params, ""), false, terminal)
 }
 
diff --git a/terminal/terminal.go b/terminal/terminal.go
index 68b0c44..a9986be 100644
--- a/terminal/terminal.go
+++ b/terminal/terminal.go
@@ -89,7 +89,7 @@ func New(pty platform.Pty, logger *zap.SugaredLogger, config *config.Config) *Te
 		},
 		platformDependentSettings: pty.GetPlatformDependentSettings(),
 	}
-	t.activeBuffer = t.buffers[0]
+	t.activeBuffer = t.buffers[MainBuffer]
 	return t
 
 }