118 lines
2.3 KiB
Go
118 lines
2.3 KiB
Go
package rich
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import (
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"context"
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"github.com/diamondburned/cchat"
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"github.com/diamondburned/cchat-gtk/internal/gts"
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"github.com/diamondburned/cchat-gtk/internal/ui/primitives"
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"github.com/diamondburned/cchat-gtk/internal/ui/rich/parser"
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"github.com/diamondburned/cchat/text"
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"github.com/gotk3/gotk3/gtk"
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"github.com/gotk3/gotk3/pango"
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)
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type Labeler interface {
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// thread-safe
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cchat.LabelContainer // thread-safe
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// not thread-safe
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SetLabelUnsafe(text.Rich)
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GetLabel() text.Rich
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GetText() string
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Reset()
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}
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type LabelerFn = func(context.Context, cchat.LabelContainer) (func(), error)
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type Label struct {
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gtk.Label
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current text.Rich
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// Reusable primitive.
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r *Reusable
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}
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var (
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_ gtk.IWidget = (*Label)(nil)
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_ Labeler = (*Label)(nil)
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)
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func NewLabel(content text.Rich) *Label {
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label, _ := gtk.LabelNew("")
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label.SetMarkup(parser.RenderMarkup(content))
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label.SetXAlign(0) // left align
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label.SetEllipsize(pango.ELLIPSIZE_END)
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l := &Label{
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Label: *label,
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current: content,
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}
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// reusable primitive
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l.r = NewReusable(func(nl *nullLabel) {
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l.SetLabelUnsafe(nl.Rich)
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})
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return l
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}
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// Reset wipes the state to be just after construction.
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func (l *Label) Reset() {
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l.current = text.Rich{}
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l.r.Invalidate()
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l.Label.SetText("")
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}
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func (l *Label) AsyncSetLabel(fn LabelerFn, info string) {
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AsyncUse(l.r, func(ctx context.Context) (interface{}, func(), error) {
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nl := &nullLabel{}
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f, err := fn(ctx, nl)
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return nl, f, err
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})
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}
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// SetLabel is thread-safe.
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func (l *Label) SetLabel(content text.Rich) {
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gts.ExecAsync(func() { l.SetLabelUnsafe(content) })
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}
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// SetLabelUnsafe sets the label in the current thread, meaning it's not
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// thread-safe.
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func (l *Label) SetLabelUnsafe(content text.Rich) {
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l.current = content
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l.SetMarkup(parser.RenderMarkup(content))
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}
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// GetLabel is NOT thread-safe.
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func (l *Label) GetLabel() text.Rich {
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return l.current
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}
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// GetText is NOT thread-safe.
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func (l *Label) GetText() string {
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return l.current.Content
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}
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type ToggleButton struct {
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gtk.ToggleButton
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Label
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}
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var (
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_ gtk.IWidget = (*ToggleButton)(nil)
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_ cchat.LabelContainer = (*ToggleButton)(nil)
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)
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func NewToggleButton(content text.Rich) *ToggleButton {
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l := NewLabel(content)
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l.Show()
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b, _ := gtk.ToggleButtonNew()
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primitives.BinLeftAlignLabel(b)
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b.Add(l)
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return &ToggleButton{*b, *l}
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}
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