andlabs-ui/progressbar.go

40 lines
890 B
Go

// 12 december 2015
package ui
import (
"unsafe"
)
// #include "pkgui.h"
import "C"
// ProgressBar is a Control that represents a horizontal bar that
// is filled in progressively over time as a process completes.
type ProgressBar struct {
ControlBase
p *C.uiProgressBar
}
// NewProgressBar creates a new ProgressBar.
func NewProgressBar() *ProgressBar {
p := new(ProgressBar)
p.p = C.uiNewProgressBar()
p.ControlBase = NewControlBase(p, uintptr(unsafe.Pointer(p.p)))
return p
}
// Value returns the value currently shown in the ProgressBar.
func (p *ProgressBar) Value() int {
return int(C.uiProgressBarValue(p.p))
}
// SetValue sets the ProgressBar's currently displayed percentage
// to value. value must be between 0 and 100 inclusive, or -1 for
// an indeterminate progressbar.
func (p *ProgressBar) SetValue(value int) {
C.uiProgressBarSetValue(p.p, C.int(value))
}