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cchat-gtk/internal/ui/service/session/commander/buffer.go

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2020-07-01 01:09:22 +00:00
package commander
import (
"fmt"
"github.com/diamondburned/cchat"
"github.com/diamondburned/cchat-gtk/internal/gts"
"github.com/gotk3/gotk3/gtk"
)
type SessionCommander interface {
cchat.Session
cchat.Commander
}
type Buffer struct {
*gtk.TextBuffer
svcname string
cmder SessionCommander
}
// NewBuffer creates a new buffer with the given SessionCommander, or returns
// nil if cmder is nil.
func NewBuffer(svc cchat.Service, cmder SessionCommander) *Buffer {
if cmder == nil {
return nil
}
b, _ := gtk.TextBufferNew(nil)
b.CreateTag("error", map[string]interface{}{
"foreground": "#FF0000",
})
b.CreateTag("system", map[string]interface{}{
"foreground": "#808080",
})
return &Buffer{b, svc.Name().Content, cmder}
}
// WriteError is not thread-safe.
func (b *Buffer) WriteError(err error) {
b.InsertWithTagByName(b.GetEndIter(), err.Error()+"\n", "error")
}
// WriteSystem is not thread-safe.
func (b *Buffer) WriteSystem(bytes []byte) {
b.InsertWithTagByName(b.GetEndIter(), string(bytes), "system")
}
// Printlnf is not thread-safe.
func (b *Buffer) Printlnf(f string, v ...interface{}) {
b.WriteSystem([]byte(fmt.Sprintf(f+"\n", v...)))
}
// Write is thread-safe.
func (b *Buffer) Write(bytes []byte) (int, error) {
gts.ExecAsync(func() { b.Insert(b.GetEndIter(), string(bytes)) })
return len(bytes), nil
}
func (b *Buffer) ShowDialog() {
SpawnDialog(b)
}