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// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2018 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"hash/fnv"
"regexp"
"strings"
"time"
"github.com/gdamore/tcell"
"maunium.net/go/gomatrix"
"maunium.net/go/tview"
)
type RoomView struct {
*tview.Box
topic *tview.TextView
content *tview.TextView
status *tview.TextView
userList *tview.TextView
room *gomatrix.Room
}
var colorNames []string
func init() {
colorNames = make([]string, len(tcell.ColorNames))
i := 0
for name, _ := range tcell.ColorNames {
colorNames[i] = name
i++
}
}
func NewRoomView(room *gomatrix.Room) *RoomView {
view := &RoomView{
Box: tview.NewBox(),
topic: tview.NewTextView(),
content: tview.NewTextView(),
status: tview.NewTextView(),
userList: tview.NewTextView(),
room: room,
}
view.topic.
SetText(strings.Replace(room.GetTopic(), "\n", " ", -1)).
SetBackgroundColor(tcell.ColorDarkGreen)
view.status.SetBackgroundColor(tcell.ColorDimGray)
view.userList.SetDynamicColors(true)
view.content.SetDynamicColors(true)
return view
}
func (view *RoomView) Draw(screen tcell.Screen) {
x, y, width, height := view.GetRect()
view.topic.SetRect(x, y, width, 1)
view.content.SetRect(x, y+1, width-30, height-2)
view.status.SetRect(x, y+height-1, width, 1)
view.userList.SetRect(x+width-29, y+1, 29, height-2)
view.topic.Draw(screen)
view.content.Draw(screen)
view.status.Draw(screen)
borderX := x + width - 30
background := tcell.StyleDefault.Background(view.GetBackgroundColor()).Foreground(view.GetBorderColor())
for borderY := y + 1; borderY < y+height-1; borderY++ {
screen.SetContent(borderX, borderY, tview.GraphicsVertBar, nil, background)
}
view.userList.Draw(screen)
}
func (view *RoomView) SetTyping(users []string) {
for index, user := range users {
member := view.room.GetMember(user)
if member != nil {
users[index] = member.DisplayName
}
}
if len(users) == 0 {
view.status.SetText("")
} else if len(users) < 2 {
view.status.SetText("Typing: " + strings.Join(users, " and "))
} else {
view.status.SetText(fmt.Sprintf(
"Typing: %s and %s",
strings.Join(users[:len(users)-1], ", "), users[len(users)-1]))
}
}
var colorPattern = regexp.MustCompile(`\[([a-zA-Z]+|#[0-9a-zA-Z]{6})\]`)
func color(s string) string {
h := fnv.New32a()
h.Write([]byte(s))
color := colorNames[int(h.Sum32())%len(colorNames)]
return fmt.Sprintf("[%s]%s[white]", color, s)
}
func escapeColor(s string) string {
return colorPattern.ReplaceAllString(s, "[$1[]")
}
func (view *RoomView) AddMessage(sender, message string, timestamp time.Time) {
member := view.room.GetMember(sender)
if member != nil {
sender = member.DisplayName
}
fmt.Fprintf(view.content, "[%s] %s: %s\n",
timestamp.Format("15:04:05"), color(sender), escapeColor(message))
}
func (view *RoomView) UpdateUserList() {
var buf strings.Builder
for _, user := range view.room.GetMembers() {
if user.Membership == "join" {
buf.WriteString(color(user.DisplayName))
buf.WriteRune('\n')
}
}
view.userList.SetText(buf.String())
}
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