/
progressbar.go
65 lines (49 loc) · 1.4 KB
/
progressbar.go
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// Copyright 2010 The Walk 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 walk
import . "github.com/lxn/go-winapi"
var progressBarOrigWndProcPtr uintptr
var _ subclassedWidget = &ProgressBar{}
type ProgressBar struct {
WidgetBase
}
func NewProgressBar(parent Container) (*ProgressBar, error) {
pb := &ProgressBar{}
if err := initChildWidget(
pb,
parent,
"msctls_progress32",
WS_VISIBLE,
0); err != nil {
return nil, err
}
return pb, nil
}
func (*ProgressBar) origWndProcPtr() uintptr {
return progressBarOrigWndProcPtr
}
func (*ProgressBar) setOrigWndProcPtr(ptr uintptr) {
progressBarOrigWndProcPtr = ptr
}
func (*ProgressBar) LayoutFlags() LayoutFlags {
return ShrinkableHorz | GrowableHorz | GreedyHorz
}
func (pb *ProgressBar) SizeHint() Size {
return pb.dialogBaseUnitsToPixels(Size{50, 14})
}
func (pb *ProgressBar) MinValue() int {
return int(SendMessage(pb.hWnd, PBM_GETRANGE, 1, 0))
}
func (pb *ProgressBar) MaxValue() int {
return int(SendMessage(pb.hWnd, PBM_GETRANGE, 0, 0))
}
func (pb *ProgressBar) SetRange(min, max int) {
SendMessage(pb.hWnd, PBM_SETRANGE32, uintptr(min), uintptr(max))
}
func (pb *ProgressBar) Value() int {
return int(SendMessage(pb.hWnd, PBM_GETPOS, 0, 0))
}
func (pb *ProgressBar) SetValue(value int) {
SendMessage(pb.hWnd, PBM_SETPOS, uintptr(value), 0)
}