1 files changed, 112 insertions, 0 deletions
diff --git a/eventMouse.go b/eventMouse.go
new file mode 100644
index 0000000..88702c3
--- /dev/null
+++ b/eventMouse.go
@@ -0,0 +1,112 @@
+// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
+// Use of this source code is governed by the GPL 3.0
+
+// NOTE: our code is under the GPL, not BSD
+
+// note by [email protected] in 2025: this is one of the coolest
+// things ever what this does. I've tried to improve
+// it while I've been working on making a gocui
+// GO plugin so it can be generalized as a useful
+// console interface. Well done everyone that has
+// contributed to this gocui project !!!
+
+// Copyright 2014 The gocui Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/awesome-gocui/gocui"
+
+	"go.wit.com/log"
+)
+
+// this function uses the mouse position to highlight & unhighlight things
+// this is run every time the user moves the mouse over the terminal window
+func mouseMove(g *gocui.Gui) {
+	mx, my := g.MousePosition()
+	for _, view := range g.Views() {
+		view.Highlight = false
+	}
+	if v, err := g.ViewByPosition(mx, my); err == nil {
+		v.Highlight = true
+	}
+}
+
+func msgDown(g *gocui.Gui, v *gocui.View) error {
+	initialMouseX, initialMouseY = g.MousePosition()
+
+	// debugging output
+	log.Log(GOCUI, "msgDown() X,Y", initialMouseX, initialMouseY)
+
+	//
+	vx, vy, _, _, err := g.ViewPosition("msg")
+	if err == nil {
+		xOffset = initialMouseX - vx
+		yOffset = initialMouseY - vy
+		msgMouseDown = true
+	}
+	return nil
+}
+
+func mouseUp(g *gocui.Gui, v *gocui.View) error {
+	w, h := g.MousePosition()
+
+	dropdownUnclicked(w, h)
+
+	if msgMouseDown {
+		msgMouseDown = false
+		if movingMsg {
+			movingMsg = false
+			return nil
+		} else {
+			g.DeleteView("msg")
+		}
+	} else if globalMouseDown {
+		globalMouseDown = false
+		g.DeleteView("globalDown")
+	}
+	return nil
+}
+
+// func isMouseInMsg
+
+// this is where you have to figure out what
+// widget was underneath so you can active
+// the right response for the toolkit user's app
+func mouseDown(g *gocui.Gui, v *gocui.View) error {
+	mx, my := g.MousePosition()
+
+	vx0, vy0, vx1, vy1, err := g.ViewPosition("msg")
+	if err == nil {
+		if mx >= vx0 && mx <= vx1 && my >= vy0 && my <= vy1 {
+			return msgDown(g, v)
+		}
+	}
+	globalMouseDown = true
+
+	maxX, _ := g.Size()
+
+	findUnderMouse()
+
+	msg := fmt.Sprintf("mouseDown() Mouse really down at: %d,%d", mx, my)
+	// dropdownClicked(mx, my)
+	x := mx - len(msg)/2
+	if x < 0 {
+		x = 0
+	} else if x+len(msg)+1 > maxX-1 {
+		x = maxX - 1 - len(msg) - 1
+	}
+	log.Log(GOCUI, "mouseDown() about to write out message to 'globalDown' view. msg =", msg)
+	if v, err := g.SetView("globalDown", x, my-1, x+len(msg)+1, my+1, 0); err != nil {
+		if !errors.Is(err, gocui.ErrUnknownView) {
+			return err
+		}
+		v.WriteString(msg)
+	}
+	return nil
+}