39 lines
754 B
Go
39 lines
754 B
Go
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// +build !windows,!darwin
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// 4 november 2014
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package ui
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import (
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"fmt"
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"unsafe"
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)
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// #include "gtk_unix.h"
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import "C"
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type progressbar struct {
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*controlSingleWidget
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pbar *C.GtkProgressBar
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}
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func newProgressBar() ProgressBar {
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widget := C.gtk_progress_bar_new();
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p := &progressbar{
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controlSingleWidget: newControlSingleWidget(widget),
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pbar: (*C.GtkProgressBar)(unsafe.Pointer(widget)),
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}
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return p
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}
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func (p *progressbar) Percent() int {
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return int(C.gtk_progress_bar_get_fraction(p.pbar) * 100)
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}
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func (p *progressbar) SetPercent(percent int) {
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if percent < 0 || percent > 100 {
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panic(fmt.Errorf("given ProgressBar percentage %d out of range", percent))
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}
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C.gtk_progress_bar_set_fraction(p.pbar, C.gdouble(percent) / 100)
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}
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