100 lines
1.9 KiB
Go
100 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 "github.com/lxn/win"
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type EllipsisMode int
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const (
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EllipsisNone EllipsisMode = 0
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EllipsisEnd = EllipsisMode(win.SS_ENDELLIPSIS)
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EllipsisPath = EllipsisMode(win.SS_PATHELLIPSIS)
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)
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type Label struct {
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static
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textChangedPublisher EventPublisher
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}
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func NewLabel(parent Container) (*Label, error) {
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return NewLabelWithStyle(parent, 0)
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}
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func NewLabelWithStyle(parent Container, style uint32) (*Label, error) {
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l := new(Label)
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if err := l.init(l, parent); err != nil {
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return nil, err
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}
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l.SetTextAlignment(AlignNear)
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l.MustRegisterProperty("Text", NewProperty(
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func() interface{} {
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return l.Text()
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},
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func(v interface{}) error {
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return l.SetText(assertStringOr(v, ""))
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},
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l.textChangedPublisher.Event()))
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return l, nil
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}
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func (l *Label) asStatic() *static {
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return &l.static
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}
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func (l *Label) EllipsisMode() EllipsisMode {
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return EllipsisMode(win.GetWindowLong(l.hwndStatic, win.GWL_STYLE) & (win.SS_ENDELLIPSIS | win.SS_PATHELLIPSIS))
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}
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func (l *Label) SetEllipsisMode(mode EllipsisMode) error {
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oldMode := l.EllipsisMode()
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if mode == oldMode {
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return nil
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}
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if err := setAndClearWindowLongBits(l.hwndStatic, win.GWL_STYLE, uint32(mode), uint32(oldMode)); err != nil {
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return err
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}
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l.RequestLayout()
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return nil
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}
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func (l *Label) TextAlignment() Alignment1D {
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return l.textAlignment1D()
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}
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func (l *Label) SetTextAlignment(alignment Alignment1D) error {
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if alignment == AlignDefault {
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alignment = AlignNear
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}
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return l.setTextAlignment1D(alignment)
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}
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func (l *Label) Text() string {
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return l.text()
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}
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func (l *Label) SetText(text string) error {
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if changed, err := l.setText(text); err != nil {
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return err
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} else if !changed {
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return nil
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}
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l.textChangedPublisher.Publish()
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return nil
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}
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