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// 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.
// 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 !!!
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
}
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