new-gui/toolkit/gocui/globalDown.go

38 lines
896 B
Go

// 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"
)
func globalDown(g *gocui.Gui, v *gocui.View) error {
mx, my := g.MousePosition()
if vx0, vy0, vx1, vy1, err := g.ViewPosition("msg"); err == nil {
if mx >= vx0 && mx <= vx1 && my >= vy0 && my <= vy1 {
return msgDown(g, v)
}
}
globalMouseDown = true
maxX, _ := g.Size()
msg := fmt.Sprintf("Mouse really down at: %d,%d", mx, my) + "foo\n" + "bar\n"
x := mx - len(msg)/2
if x < 0 {
x = 0
} else if x+len(msg)+1 > maxX-1 {
x = maxX - 1 - len(msg) - 1
}
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
}