Add mouse support to the FullscreenRenderer

src/tui/tui.go

@@ -5,6 +5,8 @@ import (
 	"os"
 	"strconv"
 	"time"
+
+	"github.com/gdamore/tcell"
 )
 
 // Types of user action
@@ -397,20 +399,22 @@ type Window interface {
 }
 
 type FullscreenRenderer struct {
-	theme        *ColorTheme
-	mouse        bool
-	forceBlack   bool
-	prevDownTime time.Time
-	clickY       []int
+	theme           *ColorTheme
+	mouse           bool
+	forceBlack      bool
+	prevDownTime    time.Time
+	prevMouseButton tcell.ButtonMask
+	clickY          []int
 }
 
 func NewFullscreenRenderer(theme *ColorTheme, forceBlack bool, mouse bool) Renderer {
 	r := &FullscreenRenderer{
-		theme:        theme,
-		mouse:        mouse,
-		forceBlack:   forceBlack,
-		prevDownTime: time.Unix(0, 0),
-		clickY:       []int{}}
+		theme:           theme,
+		mouse:           mouse,
+		forceBlack:      forceBlack,
+		prevDownTime:    time.Unix(0, 0),
+		prevMouseButton: tcell.ButtonNone,
+		clickY:          []int{}}
 	return r
 }