90 lines
1.9 KiB
Go
90 lines
1.9 KiB
Go
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// Copyright 2010 The Walk Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build windows
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package walk
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import (
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"github.com/lxn/win"
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)
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type ProgressBar struct {
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WidgetBase
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}
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func NewProgressBar(parent Container) (*ProgressBar, error) {
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pb := new(ProgressBar)
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if err := InitWidget(
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pb,
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parent,
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"msctls_progress32",
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win.WS_VISIBLE,
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0); err != nil {
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return nil, err
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}
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return pb, nil
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}
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func (pb *ProgressBar) MinValue() int {
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return int(pb.SendMessage(win.PBM_GETRANGE, 1, 0))
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}
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func (pb *ProgressBar) MaxValue() int {
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return int(pb.SendMessage(win.PBM_GETRANGE, 0, 0))
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}
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func (pb *ProgressBar) SetRange(min, max int) {
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pb.SendMessage(win.PBM_SETRANGE32, uintptr(min), uintptr(max))
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}
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func (pb *ProgressBar) Value() int {
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return int(pb.SendMessage(win.PBM_GETPOS, 0, 0))
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}
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func (pb *ProgressBar) SetValue(value int) {
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pb.SendMessage(win.PBM_SETPOS, uintptr(value), 0)
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}
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func (pb *ProgressBar) MarqueeMode() bool {
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return pb.hasStyleBits(win.PBS_MARQUEE)
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}
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func (pb *ProgressBar) SetMarqueeMode(marqueeMode bool) error {
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if err := pb.ensureStyleBits(win.PBS_MARQUEE, marqueeMode); err != nil {
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return err
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}
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pb.SendMessage(win.PBM_SETMARQUEE, uintptr(win.BoolToBOOL(marqueeMode)), 0)
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return nil
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}
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func (pb *ProgressBar) CreateLayoutItem(ctx *LayoutContext) LayoutItem {
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return &progressBarLayoutItem{
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idealSize: pb.dialogBaseUnitsToPixels(Size{50, 14}),
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minSize: pb.dialogBaseUnitsToPixels(Size{10, 14}),
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}
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}
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type progressBarLayoutItem struct {
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LayoutItemBase
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idealSize Size // in native pixels
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minSize Size // in native pixels
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}
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func (*progressBarLayoutItem) LayoutFlags() LayoutFlags {
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return ShrinkableHorz | GrowableHorz | GreedyHorz
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}
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func (li *progressBarLayoutItem) IdealSize() Size {
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return li.idealSize
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}
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func (li *progressBarLayoutItem) MinSize() Size {
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return li.minSize
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}
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