gomuks/ui/messages/textmessage.go
2022-04-15 12:53:09 +03:00

103 lines
2.7 KiB
Go

// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2020 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package messages
import (
"fmt"
"time"
"go.mau.fi/mauview"
"maunium.net/go/gomuks/matrix/muksevt"
"maunium.net/go/gomuks/config"
"maunium.net/go/gomuks/ui/messages/tstring"
)
type TextMessage struct {
cache tstring.TString
buffer []tstring.TString
isHighlight bool
Text string
}
// NewTextMessage creates a new UITextMessage object with the provided values and the default state.
func NewTextMessage(evt *muksevt.Event, displayname string, text string) *UIMessage {
return newUIMessage(evt, displayname, &TextMessage{
Text: text,
})
}
func NewServiceMessage(text string) *UIMessage {
return &UIMessage{
SenderID: "*",
SenderName: "*",
Timestamp: time.Now(),
IsService: true,
Renderer: &TextMessage{
Text: text,
},
}
}
func (msg *TextMessage) Clone() MessageRenderer {
return &TextMessage{
Text: msg.Text,
}
}
func (msg *TextMessage) getCache(uiMsg *UIMessage) tstring.TString {
if msg.cache == nil {
switch uiMsg.Type {
case "m.emote":
msg.cache = tstring.NewColorTString(fmt.Sprintf("* %s %s", uiMsg.SenderName, msg.Text), uiMsg.TextColor())
msg.cache.Colorize(0, len(uiMsg.SenderName)+2, uiMsg.SenderColor())
default:
msg.cache = tstring.NewColorTString(msg.Text, uiMsg.TextColor())
}
}
return msg.cache
}
func (msg *TextMessage) NotificationContent() string {
return msg.Text
}
func (msg *TextMessage) PlainText() string {
return msg.Text
}
func (msg *TextMessage) String() string {
return fmt.Sprintf(`&messages.TextMessage{Text="%s"}`, msg.Text)
}
func (msg *TextMessage) CalculateBuffer(prefs config.UserPreferences, width int, uiMsg *UIMessage) {
if uiMsg.IsHighlight != msg.isHighlight {
msg.cache = nil
}
msg.buffer = calculateBufferWithText(prefs, msg.getCache(uiMsg), width, uiMsg)
}
func (msg *TextMessage) Height() int {
return len(msg.buffer)
}
func (msg *TextMessage) Draw(screen mauview.Screen) {
for y, line := range msg.buffer {
line.Draw(screen, 0, y)
}
}