From 1f2980cbb4c956be045868a5140eb21641a0c240 Mon Sep 17 00:00:00 2001
From: Liam Galvin <liam@liam-galvin.co.uk>
Date: Sat, 31 Jul 2021 14:34:02 +0100
Subject: [PATCH] Persist mouse mode during buffer switching (#299)

* Persist mouse mode during buffer switching

* Update mouse.go
---
 internal/app/darktile/gui/mouse.go         |  4 +--
 internal/app/darktile/termutil/buffer.go   | 10 ------
 internal/app/darktile/termutil/csi.go      | 36 +++++++++-------------
 internal/app/darktile/termutil/terminal.go | 10 ++++++
 4 files changed, 26 insertions(+), 34 deletions(-)

diff --git a/internal/app/darktile/gui/mouse.go b/internal/app/darktile/gui/mouse.go
index 8e3699b..efa9d1c 100644
--- a/internal/app/darktile/gui/mouse.go
+++ b/internal/app/darktile/gui/mouse.go
@@ -271,7 +271,7 @@ func (g *GUI) handleMouseRemotely(x, y int, pressedLeft, pressedMiddle, pressedR
 
 	tx, ty := 1+(x/g.fontManager.CharSize().X), 1+(y/g.fontManager.CharSize().Y)
 
-	mode := g.terminal.GetActiveBuffer().GetMouseMode()
+	mode := g.terminal.GetMouseMode()
 
 	switch mode {
 	case termutil.MouseModeNone:
@@ -295,7 +295,7 @@ func (g *GUI) handleMouseRemotely(x, y int, pressedLeft, pressedMiddle, pressedR
 
 		var button rune
 
-		extMode := g.terminal.GetActiveBuffer().GetMouseExtMode()
+		extMode := g.terminal.GetMouseExtMode()
 
 		switch true {
 		case pressedLeft:
diff --git a/internal/app/darktile/termutil/buffer.go b/internal/app/darktile/termutil/buffer.go
index bedb814..5b38bd5 100644
--- a/internal/app/darktile/termutil/buffer.go
+++ b/internal/app/darktile/termutil/buffer.go
@@ -25,8 +25,6 @@ type Buffer struct {
 	charsets              []*map[rune]rune // array of 2 charsets, nil means ASCII (no conversion)
 	currentCharset        int              // active charset index in charsets array, valid values are 0 or 1
 	modes                 Modes
-	mouseMode             MouseMode
-	mouseExtMode          MouseExtMode
 	selectionStart        *Position
 	selectionEnd          *Position
 	highlightStart        *Position
@@ -80,14 +78,6 @@ func (buffer *Buffer) IsCursorVisible() bool {
 	return buffer.modes.ShowCursor
 }
 
-func (buffer *Buffer) GetMouseMode() MouseMode {
-	return buffer.mouseMode
-}
-
-func (buffer *Buffer) GetMouseExtMode() MouseExtMode {
-	return buffer.mouseExtMode
-}
-
 func (buffer *Buffer) IsApplicationCursorKeysModeEnabled() bool {
 	return buffer.modes.ApplicationCursorKeys
 }
diff --git a/internal/app/darktile/termutil/csi.go b/internal/app/darktile/termutil/csi.go
index 855c89b..757b67c 100644
--- a/internal/app/darktile/termutil/csi.go
+++ b/internal/app/darktile/termutil/csi.go
@@ -717,11 +717,9 @@ func (t *Terminal) csiSetMode(modes string, enabled bool) bool {
 			t.activeBuffer.modes.AutoWrap = enabled
 		case "?9":
 			if enabled {
-				//terminal.logger.Infof("Turning on X10 mouse mode")
-				t.activeBuffer.mouseMode = (MouseModeX10)
+				t.mouseMode = (MouseModeX10)
 			} else {
-				//terminal.logger.Infof("Turning off X10 mouse mode")
-				t.activeBuffer.mouseMode = (MouseModeNone)
+				t.mouseMode = (MouseModeNone)
 			}
 		case "?12", "?13":
 			t.activeBuffer.modes.BlinkingCursor = enabled
@@ -737,46 +735,40 @@ func (t *Terminal) csiSetMode(modes string, enabled bool) bool {
 			// enable mouse tracking
 			// 1000 refers to ext mode for extended mouse click area - otherwise only x <= 255-31
 			if enabled {
-				t.activeBuffer.mouseMode = (MouseModeVT200)
+				t.mouseMode = (MouseModeVT200)
 			} else {
-				t.activeBuffer.mouseMode = (MouseModeNone)
+				t.mouseMode = (MouseModeNone)
 			}
 		case "?1002":
 			if enabled {
-				//terminal.logger.Infof("Turning on Button Event mouse mode")
-				t.activeBuffer.mouseMode = (MouseModeButtonEvent)
+				t.mouseMode = (MouseModeButtonEvent)
 			} else {
-				//terminal.logger.Infof("Turning off Button Event mouse mode")
-				t.activeBuffer.mouseMode = (MouseModeNone)
+				t.mouseMode = (MouseModeNone)
 			}
 		case "?1003":
 			if enabled {
-				t.activeBuffer.mouseMode = MouseModeAnyEvent
+				t.mouseMode = MouseModeAnyEvent
 			} else {
-				t.activeBuffer.mouseMode = MouseModeNone
+				t.mouseMode = MouseModeNone
 			}
 		case "?1005":
 			if enabled {
-				t.activeBuffer.mouseExtMode = MouseExtUTF
+				t.mouseExtMode = MouseExtUTF
 			} else {
-				t.activeBuffer.mouseExtMode = MouseExtNone
+				t.mouseExtMode = MouseExtNone
 			}
 
 		case "?1006":
 			if enabled {
-				//.logger.Infof("Turning on SGR ext mouse mode")
-				t.activeBuffer.mouseExtMode = MouseExtSGR
+				t.mouseExtMode = MouseExtSGR
 			} else {
-				//terminal.logger.Infof("Turning off SGR ext mouse mode")
-				t.activeBuffer.mouseExtMode = (MouseExtNone)
+				t.mouseExtMode = (MouseExtNone)
 			}
 		case "?1015":
 			if enabled {
-				//terminal.logger.Infof("Turning on URXVT ext mouse mode")
-				t.activeBuffer.mouseExtMode = (MouseExtURXVT)
+				t.mouseExtMode = (MouseExtURXVT)
 			} else {
-				//terminal.logger.Infof("Turning off URXVT ext mouse mode")
-				t.activeBuffer.mouseExtMode = (MouseExtNone)
+				t.mouseExtMode = (MouseExtNone)
 			}
 		case "?1048":
 			if enabled {
diff --git a/internal/app/darktile/termutil/terminal.go b/internal/app/darktile/termutil/terminal.go
index eacacfb..b1eb669 100644
--- a/internal/app/darktile/termutil/terminal.go
+++ b/internal/app/darktile/termutil/terminal.go
@@ -27,6 +27,8 @@ type Terminal struct {
 	closeChan         chan struct{}
 	buffers           []*Buffer
 	activeBuffer      *Buffer
+	mouseMode         MouseMode
+	mouseExtMode      MouseExtMode
 	logFile           *os.File
 	theme             *Theme
 	running           bool
@@ -285,6 +287,14 @@ func (t *Terminal) switchBuffer(index uint8) {
 	}
 }
 
+func (t *Terminal) GetMouseMode() MouseMode {
+	return t.mouseMode
+}
+
+func (t *Terminal) GetMouseExtMode() MouseExtMode {
+	return t.mouseExtMode
+}
+
 func (t *Terminal) GetActiveBuffer() *Buffer {
 	return t.activeBuffer
 }