From 2fe69916fa63ab1d6ecd2f9cdee9957d6029908b Mon Sep 17 00:00:00 2001
From: coloursofnoise <coloursofthenoise@gmail.com>
Date: Tue, 23 Nov 2021 14:57:06 -0800
Subject: [PATCH] Add View.RemoveCursor to deselect all lines

---
 _examples/mouse.go | 2 ++
 gui.go             | 5 +++++
 view.go            | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/_examples/mouse.go b/_examples/mouse.go
index b6c55ec..c23b332 100644
--- a/_examples/mouse.go
+++ b/_examples/mouse.go
@@ -39,6 +39,7 @@ func layout(g *gocui.Gui) error {
 			return err
 		}
 		v.Highlight = true
+		v.RemoveCursor()
 		v.SelBgColor = gocui.ColorGreen
 		v.SelFgColor = gocui.ColorBlack
 		fmt.Fprintln(v, "Button 1 - line 1")
@@ -54,6 +55,7 @@ func layout(g *gocui.Gui) error {
 			return err
 		}
 		v.Highlight = true
+		v.RemoveCursor()
 		v.SelBgColor = gocui.ColorGreen
 		v.SelFgColor = gocui.ColorBlack
 		fmt.Fprintln(v, "Button 2 - line 1")
diff --git a/gui.go b/gui.go
index 76bcb5c..b11eb51 100644
--- a/gui.go
+++ b/gui.go
@@ -75,6 +75,7 @@ type Gui struct {
 	blacklist   []Key
 	testCounter int // used for testing synchronization
 	testNotify  chan struct{}
+	mouseView   *View // last view selected by mouse if enabled
 
 	// BgColor and FgColor allow to configure the background and foreground
 	// colors of the GUI.
@@ -880,8 +881,12 @@ func (g *Gui) onKey(ev *gocuiEvent) error {
 			g.currentView.Editor.Edit(g.currentView, Key(ev.Key), ev.Ch, Modifier(ev.Mod))
 		}
 	case eventMouse:
+		if g.mouseView != nil {
+			g.mouseView.RemoveCursor()
+		}
 		mx, my := ev.MouseX, ev.MouseY
 		v, err := g.ViewByPosition(mx, my)
+		g.mouseView = v
 		if err != nil {
 			break
 		}
diff --git a/view.go b/view.go
index f22ddf0..cf47c1e 100644
--- a/view.go
+++ b/view.go
@@ -269,6 +269,10 @@ func (v *View) SetCursor(x, y int) error {
 	return v.SetCursorUnrestricted(x, y)
 }
 
+func (v *View) RemoveCursor() {
+	v.cx, v.cy = -1, -1
+}
+
 // Cursor returns the cursor position of the view.
 func (v *View) Cursor() (x, y int) {
 	return v.cx, v.cy
-- 
2.33.0