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Code Issues Projects Releases Wiki Activity

_examples/widgets.go: Minor changes

This commit is contained in:
Roi Martin 2016-10-24 23:34:32 +02:00
parent 6a590932dd
commit fb08594c69
1 changed files with 11 additions and 10 deletions
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21
_examples/widgets.go
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@ -13,7 +13,7 @@ import (
"github.com/jroimartin/gocui"
)
const delta = 0.1
const delta = 0.2
type HelpWidget struct {
name string
@ -52,22 +52,22 @@ type StatusbarWidget struct {
name string
x, y int
w int
val float32
val float64
}
func NewStatusbarWidget(name string, x, y, w int) *StatusbarWidget {
return &StatusbarWidget{name: name, x: x, y: y, w: w}
}
func (w *StatusbarWidget) SetVal(val float32) error {
if val < 0 || val > 1+delta/2 {
func (w *StatusbarWidget) SetVal(val float64) error {
if val < 0 || val > 1 {
return errors.New("invalid value")
}
w.val = val
return nil
}
func (w *StatusbarWidget) Val() float32 {
func (w *StatusbarWidget) Val() float64 {
return w.val
}
@ -77,8 +77,9 @@ func (w *StatusbarWidget) Layout(g *gocui.Gui) error {
return err
}
v.Clear()
val := int(w.val * float32(w.w-1))
fmt.Fprint(v, strings.Repeat("▒", val))
rep := int(w.val * float64(w.w-1))
fmt.Fprint(v, strings.Repeat("▒", rep))
return nil
}
@ -145,7 +146,7 @@ func quit(g *gocui.Gui, v *gocui.View) error {
func toggleButton(g *gocui.Gui, v *gocui.View) error {
nextview := "butdown"
if v == nil || v.Name() == "butdown" {
if v != nil && v.Name() == "butdown" {
nextview = "butup"
}
_, err := g.SetCurrentView(nextview)
@ -164,9 +165,9 @@ func statusDown(status *StatusbarWidget) func(g *gocui.Gui, v *gocui.View) error
}
}
func statusSet(sw *StatusbarWidget, inc float32) error {
func statusSet(sw *StatusbarWidget, inc float64) error {
val := sw.Val() + inc
if val < 0 || val > 1+delta/2 {
if val < 0 || val > 1 {
return nil
}
return sw.SetVal(val)