gomuks/ui/room-view.go

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// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2020 Tulir Asokan
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//
// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// 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
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// GNU Affero General Public License for more details.
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//
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// 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/>.
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package ui
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import (
"fmt"
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"path/filepath"
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"sort"
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"strings"
"time"
"unicode"
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"github.com/kyokomi/emoji/v2"
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"github.com/mattn/go-runewidth"
"github.com/zyedidia/clipboard"
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"maunium.net/go/mauview"
"maunium.net/go/tcell"
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"maunium.net/go/mautrix"
"maunium.net/go/mautrix/crypto/attachment"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/id"
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"maunium.net/go/gomuks/config"
"maunium.net/go/gomuks/debug"
"maunium.net/go/gomuks/interface"
"maunium.net/go/gomuks/lib/open"
"maunium.net/go/gomuks/lib/util"
"maunium.net/go/gomuks/matrix/muksevt"
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"maunium.net/go/gomuks/matrix/rooms"
"maunium.net/go/gomuks/ui/messages"
"maunium.net/go/gomuks/ui/widget"
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)
type RoomView struct {
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topic *mauview.TextView
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content *MessageView
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status *mauview.TextField
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userList *MemberList
ulBorder *widget.Border
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input *mauview.InputArea
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Room *rooms.Room
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topicScreen *mauview.ProxyScreen
contentScreen *mauview.ProxyScreen
statusScreen *mauview.ProxyScreen
inputScreen *mauview.ProxyScreen
ulBorderScreen *mauview.ProxyScreen
ulScreen *mauview.ProxyScreen
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userListLoaded bool
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prevScreen mauview.Screen
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parent *MainView
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config *config.Config
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typing []string
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selecting bool
selectReason SelectReason
selectContent string
replying *muksevt.Event
editing *muksevt.Event
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editMoveText string
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completions struct {
list []string
textCache string
time time.Time
}
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}
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func NewRoomView(parent *MainView, room *rooms.Room) *RoomView {
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view := &RoomView{
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topic: mauview.NewTextView(),
status: mauview.NewTextField(),
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userList: NewMemberList(),
ulBorder: widget.NewBorder(),
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input: mauview.NewInputArea(),
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Room: room,
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topicScreen: &mauview.ProxyScreen{OffsetX: 0, OffsetY: 0, Height: TopicBarHeight},
contentScreen: &mauview.ProxyScreen{OffsetX: 0, OffsetY: StatusBarHeight},
statusScreen: &mauview.ProxyScreen{OffsetX: 0, Height: StatusBarHeight},
inputScreen: &mauview.ProxyScreen{OffsetX: 0},
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ulBorderScreen: &mauview.ProxyScreen{OffsetY: StatusBarHeight, Width: UserListBorderWidth},
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ulScreen: &mauview.ProxyScreen{OffsetY: StatusBarHeight, Width: UserListWidth},
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parent: parent,
config: parent.config,
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}
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view.content = NewMessageView(view)
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view.Room.SetPreUnload(func() bool {
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if view.parent.currentRoom == view {
return false
}
view.content.Unload()
return true
})
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view.Room.SetPostLoad(view.loadTyping)
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view.input.
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SetBackgroundColor(tcell.ColorDefault).
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SetPlaceholder("Send a message...").
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SetPlaceholderTextColor(tcell.ColorGray).
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SetTabCompleteFunc(view.InputTabComplete).
SetPressKeyUpAtStartFunc(view.EditPrevious).
SetPressKeyDownAtEndFunc(view.EditNext)
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if room.Encrypted {
view.input.SetPlaceholder("Send an encrypted message...")
}
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view.topic.
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SetTextColor(tcell.ColorWhite).
SetBackgroundColor(tcell.ColorDarkGreen)
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view.status.SetBackgroundColor(tcell.ColorDimGray)
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return view
}
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func (view *RoomView) logPath(dir string) string {
return filepath.Join(dir, fmt.Sprintf("%s.gmxlog", view.Room.ID))
}
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func (view *RoomView) SetInputChangedFunc(fn func(room *RoomView, text string)) *RoomView {
view.input.SetChangedFunc(func(text string) {
fn(view, text)
})
return view
}
func (view *RoomView) SetInputText(newText string) *RoomView {
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view.input.SetTextAndMoveCursor(newText)
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return view
}
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func (view *RoomView) GetInputText() string {
return view.input.GetText()
}
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func (view *RoomView) Focus() {
view.input.Focus()
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}
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func (view *RoomView) Blur() {
view.StopSelecting()
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view.input.Blur()
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}
func (view *RoomView) StartSelecting(reason SelectReason, content string) {
view.selecting = true
view.selectReason = reason
view.selectContent = content
msgView := view.MessageView()
if msgView.selected != nil {
view.OnSelect(msgView.selected)
} else {
view.input.Blur()
view.SelectPrevious()
}
}
func (view *RoomView) StopSelecting() {
view.selecting = false
view.selectContent = ""
view.MessageView().SetSelected(nil)
}
func (view *RoomView) OnSelect(message *messages.UIMessage) {
if !view.selecting || message == nil {
return
}
switch view.selectReason {
case SelectReply:
view.replying = message.Event
if len(view.selectContent) > 0 {
go view.SendMessage(event.MsgText, view.selectContent)
}
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case SelectEdit:
view.SetEditing(message.Event)
case SelectReact:
go view.SendReaction(message.EventID, view.selectContent)
case SelectRedact:
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go view.Redact(message.EventID, view.selectContent)
case SelectDownload, SelectOpen:
msg, ok := message.Renderer.(*messages.FileMessage)
if ok {
path := ""
if len(view.selectContent) > 0 {
path = view.selectContent
} else if view.selectReason == SelectDownload {
path = msg.Body
}
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go view.Download(msg.URL, msg.File, path, view.selectReason == SelectOpen)
}
case SelectCopy:
msg, ok := message.Renderer.(*messages.TextMessage)
if ok {
go view.CopyToClipboard(msg.PlainText(), view.selectContent)
}
}
view.selecting = false
view.selectContent = ""
view.MessageView().SetSelected(nil)
view.input.Focus()
}
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func (view *RoomView) GetStatus() string {
var buf strings.Builder
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if view.editing != nil {
buf.WriteString("Editing message - ")
} else if view.replying != nil {
buf.WriteString("Replying to ")
buf.WriteString(string(view.replying.Sender))
buf.WriteString(" - ")
} else if view.selecting {
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buf.WriteString("Selecting message to ")
buf.WriteString(string(view.selectReason))
buf.WriteString(" - ")
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}
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if len(view.completions.list) > 0 {
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if view.completions.textCache != view.input.GetText() || view.completions.time.Add(10*time.Second).Before(time.Now()) {
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view.completions.list = []string{}
} else {
buf.WriteString(strings.Join(view.completions.list, ", "))
buf.WriteString(" - ")
}
}
if len(view.typing) == 1 {
buf.WriteString("Typing: " + string(view.typing[0]))
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buf.WriteString(" - ")
} else if len(view.typing) > 1 {
buf.WriteString("Typing: ")
for i, userID := range view.typing {
if i == len(view.typing)-1 {
buf.WriteString(" and ")
} else if i > 0 {
buf.WriteString(", ")
}
buf.WriteString(string(userID))
}
buf.WriteString(" - ")
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}
return strings.TrimSuffix(buf.String(), " - ")
}
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// Constants defining the size of the room view grid.
const (
UserListBorderWidth = 1
UserListWidth = 20
StaticHorizontalSpace = UserListBorderWidth + UserListWidth
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TopicBarHeight = 1
StatusBarHeight = 1
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MaxInputHeight = 5
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)
func (view *RoomView) Draw(screen mauview.Screen) {
width, height := screen.Size()
if width <= 0 || height <= 0 {
return
}
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if view.prevScreen != screen {
view.topicScreen.Parent = screen
view.contentScreen.Parent = screen
view.statusScreen.Parent = screen
view.inputScreen.Parent = screen
view.ulBorderScreen.Parent = screen
view.ulScreen.Parent = screen
view.prevScreen = screen
}
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view.input.PrepareDraw(width)
inputHeight := view.input.GetTextHeight()
if inputHeight > MaxInputHeight {
inputHeight = MaxInputHeight
} else if inputHeight < 1 {
inputHeight = 1
}
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contentHeight := height - inputHeight - TopicBarHeight - StatusBarHeight
contentWidth := width - StaticHorizontalSpace
if view.config.Preferences.HideUserList {
contentWidth = width
}
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view.topicScreen.Width = width
view.contentScreen.Width = contentWidth
view.contentScreen.Height = contentHeight
view.statusScreen.OffsetY = view.contentScreen.YEnd()
view.statusScreen.Width = width
view.inputScreen.Width = width
view.inputScreen.OffsetY = view.statusScreen.YEnd()
view.inputScreen.Height = inputHeight
view.ulBorderScreen.OffsetX = view.contentScreen.XEnd()
view.ulBorderScreen.Height = contentHeight
view.ulScreen.OffsetX = view.ulBorderScreen.XEnd()
view.ulScreen.Height = contentHeight
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// Draw everything
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view.topic.Draw(view.topicScreen)
view.content.Draw(view.contentScreen)
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view.status.SetText(view.GetStatus())
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view.status.Draw(view.statusScreen)
view.input.Draw(view.inputScreen)
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if !view.config.Preferences.HideUserList {
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view.ulBorder.Draw(view.ulBorderScreen)
view.userList.Draw(view.ulScreen)
}
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}
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func (view *RoomView) ClearAllContext() {
view.SetEditing(nil)
view.StopSelecting()
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view.replying = nil
view.input.Focus()
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}
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func (view *RoomView) OnKeyEvent(event mauview.KeyEvent) bool {
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msgView := view.MessageView()
if view.selecting {
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k := event.Key()
c := event.Rune()
switch {
case k == tcell.KeyEscape || c == 'h':
view.ClearAllContext()
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case k == tcell.KeyUp || c == 'k':
view.SelectPrevious()
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case k == tcell.KeyDown || c == 'j':
view.SelectNext()
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case k == tcell.KeyEnter || c == 'l':
view.OnSelect(msgView.selected)
default:
return false
}
return true
}
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switch event.Key() {
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case tcell.KeyEscape:
view.ClearAllContext()
return true
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case tcell.KeyPgUp:
if msgView.IsAtTop() {
go view.parent.LoadHistory(view.Room.ID)
}
msgView.AddScrollOffset(+msgView.Height() / 2)
return true
case tcell.KeyPgDn:
msgView.AddScrollOffset(-msgView.Height() / 2)
return true
case tcell.KeyEnter:
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if (event.Modifiers()&tcell.ModShift == 0 && event.Modifiers()&tcell.ModCtrl == 0) != (view.config.Preferences.AltEnterToSend) {
view.InputSubmit(view.input.GetText())
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return true
}
}
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return view.input.OnKeyEvent(event)
}
func (view *RoomView) OnPasteEvent(event mauview.PasteEvent) bool {
return view.input.OnPasteEvent(event)
}
func (view *RoomView) OnMouseEvent(event mauview.MouseEvent) bool {
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switch {
case view.contentScreen.IsInArea(event.Position()):
return view.content.OnMouseEvent(view.contentScreen.OffsetMouseEvent(event))
case view.topicScreen.IsInArea(event.Position()):
return view.topic.OnMouseEvent(view.topicScreen.OffsetMouseEvent(event))
case view.inputScreen.IsInArea(event.Position()):
return view.input.OnMouseEvent(view.inputScreen.OffsetMouseEvent(event))
}
return false
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}
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func (view *RoomView) SetCompletions(completions []string) {
view.completions.list = completions
view.completions.textCache = view.input.GetText()
view.completions.time = time.Now()
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}
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func (view *RoomView) loadTyping() {
for index, user := range view.typing {
member := view.Room.GetMember(id.UserID(user))
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if member != nil {
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view.typing[index] = member.Displayname
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}
}
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}
func (view *RoomView) SetTyping(users []id.UserID) {
view.typing = make([]string, len(users))
for i, user := range users {
view.typing[i] = string(user)
}
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if view.Room.Loaded() {
view.loadTyping()
}
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}
func (view *RoomView) SetEditing(evt *muksevt.Event) {
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if evt == nil {
view.editing = nil
view.SetInputText(view.editMoveText)
view.editMoveText = ""
} else {
if view.editing == nil {
view.editMoveText = view.GetInputText()
}
view.editing = evt
// replying should never be non-nil when SetEditing, but do this just to be safe
view.replying = nil
msgContent := view.editing.Content.AsMessage()
if len(view.editing.Gomuks.Edits) > 0 {
// This feels kind of dangerous, but I think it works
msgContent = view.editing.Gomuks.Edits[len(view.editing.Gomuks.Edits)-1].Content.AsMessage().NewContent
}
// TODO this should parse HTML instead of just using the plaintext body
text := msgContent.Body
if msgContent.MsgType == event.MsgEmote {
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text = "/me " + text
}
view.input.SetText(text)
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}
view.status.SetText(view.GetStatus())
view.input.SetCursorOffset(-1)
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}
type findFilter func(evt *muksevt.Event) bool
func (view *RoomView) filterOwnOnly(evt *muksevt.Event) bool {
return evt.Sender == view.parent.matrix.Client().UserID && evt.Type == event.EventMessage
}
func (view *RoomView) filterMediaOnly(evt *muksevt.Event) bool {
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content, ok := evt.Content.Parsed.(*event.MessageEventContent)
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return ok && (content.MsgType == event.MsgFile ||
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content.MsgType == event.MsgImage ||
content.MsgType == event.MsgAudio ||
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content.MsgType == event.MsgVideo)
}
func (view *RoomView) findMessage(current *muksevt.Event, forward bool, allow findFilter) *messages.UIMessage {
currentFound := current == nil
msgs := view.MessageView().messages
for i := 0; i < len(msgs); i++ {
index := i
if !forward {
index = len(msgs) - i - 1
}
evt := msgs[index]
if evt.EventID == "" || string(evt.EventID) == evt.TxnID || evt.IsService {
continue
} else if currentFound {
if allow == nil || allow(evt.Event) {
return evt
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}
} else if evt.EventID == current.ID {
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currentFound = true
}
}
return nil
}
func (view *RoomView) EditNext() {
if view.editing == nil {
return
}
foundMsg := view.findMessage(view.editing, true, view.filterOwnOnly)
view.SetEditing(foundMsg.GetEvent())
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}
func (view *RoomView) EditPrevious() {
if view.replying != nil {
return
}
foundMsg := view.findMessage(view.editing, false, view.filterOwnOnly)
if foundMsg != nil {
view.SetEditing(foundMsg.GetEvent())
}
}
func (view *RoomView) SelectNext() {
msgView := view.MessageView()
if msgView.selected == nil {
return
}
var filter findFilter
if view.selectReason == SelectDownload || view.selectReason == SelectOpen {
filter = view.filterMediaOnly
}
foundMsg := view.findMessage(msgView.selected.GetEvent(), true, filter)
if foundMsg != nil {
msgView.SetSelected(foundMsg)
// TODO scroll selected message into view
}
}
func (view *RoomView) SelectPrevious() {
msgView := view.MessageView()
var filter findFilter
if view.selectReason == SelectDownload || view.selectReason == SelectOpen {
filter = view.filterMediaOnly
}
foundMsg := view.findMessage(msgView.selected.GetEvent(), false, filter)
if foundMsg != nil {
msgView.SetSelected(foundMsg)
// TODO scroll selected message into view
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}
}
type completion struct {
displayName string
id string
}
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func (view *RoomView) AutocompleteUser(existingText string) (completions []completion) {
textWithoutPrefix := strings.TrimPrefix(existingText, "@")
for userID, user := range view.Room.GetMembers() {
if user.Displayname == textWithoutPrefix || string(userID) == existingText {
// Exact match, return that.
return []completion{{user.Displayname, string(userID)}}
}
if strings.HasPrefix(user.Displayname, textWithoutPrefix) || strings.HasPrefix(string(userID), existingText) {
completions = append(completions, completion{user.Displayname, string(userID)})
}
}
return
}
func (view *RoomView) AutocompleteRoom(existingText string) (completions []completion) {
for _, room := range view.parent.rooms {
alias := string(room.Room.GetCanonicalAlias())
if alias == existingText {
// Exact match, return that.
return []completion{{alias, string(room.Room.ID)}}
}
if strings.HasPrefix(alias, existingText) {
completions = append(completions, completion{alias, string(room.Room.ID)})
continue
}
}
return
}
func (view *RoomView) AutocompleteEmoji(word string) (completions []string) {
if word[0] != ':' {
return
}
var valueCompletion1 string
var manyValues bool
for name, value := range emoji.CodeMap() {
if name == word {
return []string{value}
} else if strings.HasPrefix(name, word) {
completions = append(completions, name)
if valueCompletion1 == "" {
valueCompletion1 = value
} else if valueCompletion1 != value {
manyValues = true
}
}
}
if !manyValues && len(completions) > 0 {
return []string{emoji.CodeMap()[completions[0]]}
}
return
}
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func findWordToTabComplete(text string) string {
output := ""
runes := []rune(text)
for i := len(runes) - 1; i >= 0; i-- {
if unicode.IsSpace(runes[i]) {
break
}
output = string(runes[i]) + output
}
return output
}
var (
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mentionMarkdown = "[%[1]s](https://matrix.to/#/%[2]s)"
mentionHTML = `<a href="https://matrix.to/#/%[2]s">%[1]s</a>`
mentionPlaintext = "%[1]s"
)
func (view *RoomView) defaultAutocomplete(word string, startIndex int) (strCompletions []string, strCompletion string) {
if len(word) == 0 {
return []string{}, ""
}
completions := view.AutocompleteUser(word)
completions = append(completions, view.AutocompleteRoom(word)...)
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if len(completions) == 1 {
completion := completions[0]
template := mentionMarkdown
if view.config.Preferences.DisableMarkdown {
if view.config.Preferences.DisableHTML {
template = mentionPlaintext
} else {
template = mentionHTML
}
}
strCompletion = fmt.Sprintf(template, completion.displayName, completion.id)
if startIndex == 0 && completion.id[0] == '@' {
strCompletion = strCompletion + ":"
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}
} else if len(completions) > 1 {
for _, completion := range completions {
strCompletions = append(strCompletions, completion.displayName)
}
}
strCompletions = append(strCompletions, view.parent.cmdProcessor.AutocompleteCommand(word)...)
strCompletions = append(strCompletions, view.AutocompleteEmoji(word)...)
return
}
func (view *RoomView) InputTabComplete(text string, cursorOffset int) {
if len(text) == 0 {
return
}
str := runewidth.Truncate(text, cursorOffset, "")
word := findWordToTabComplete(str)
startIndex := len(str) - len(word)
var strCompletion string
strCompletions, newText, ok := view.parent.cmdProcessor.Autocomplete(view, text, cursorOffset)
if !ok {
strCompletions, strCompletion = view.defaultAutocomplete(word, startIndex)
}
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if len(strCompletions) > 0 {
strCompletion = util.LongestCommonPrefix(strCompletions)
sort.Sort(sort.StringSlice(strCompletions))
}
if len(strCompletion) > 0 && len(strCompletions) < 2 {
strCompletion += " "
strCompletions = []string{}
}
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if len(strCompletion) > 0 && newText == text {
newText = str[0:startIndex] + strCompletion + text[len(str):]
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}
view.input.SetTextAndMoveCursor(newText)
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view.SetCompletions(strCompletions)
}
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func (view *RoomView) InputSubmit(text string) {
if len(text) == 0 {
return
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} else if cmd := view.parent.cmdProcessor.ParseCommand(view, text); cmd != nil {
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go view.parent.cmdProcessor.HandleCommand(cmd)
} else {
go view.SendMessage(event.MsgText, text)
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}
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view.editMoveText = ""
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view.SetInputText("")
}
func (view *RoomView) CopyToClipboard(text string, register string) {
if register == "clipboard" || register == "primary" {
err := clipboard.WriteAll(text, register)
if err != nil {
view.AddServiceMessage(fmt.Sprintf("Clipboard unsupported: %v", err))
view.parent.parent.Render()
}
} else {
view.AddServiceMessage(fmt.Sprintf("Clipboard register %v unsupported", register))
view.parent.parent.Render()
}
}
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func (view *RoomView) Download(url id.ContentURI, file *attachment.EncryptedFile, filename string, openFile bool) {
path, err := view.parent.matrix.DownloadToDisk(url, file, filename)
if err != nil {
view.AddServiceMessage(fmt.Sprintf("Failed to download media: %v", err))
view.parent.parent.Render()
return
}
view.AddServiceMessage(fmt.Sprintf("File downloaded to %s", path))
view.parent.parent.Render()
if openFile {
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debug.Print("Opening file", path)
open.Open(path)
}
}
func (view *RoomView) Redact(eventID id.EventID, reason string) {
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defer debug.Recover()
err := view.parent.matrix.Redact(view.Room.ID, eventID, reason)
if err != nil {
if httpErr, ok := err.(mautrix.HTTPError); ok {
err = httpErr
if respErr := httpErr.RespError; respErr != nil {
err = respErr
}
}
view.AddServiceMessage(fmt.Sprintf("Failed to redact message: %v", err))
view.parent.parent.Render()
}
}
func (view *RoomView) SendReaction(eventID id.EventID, reaction string) {
defer debug.Recover()
debug.Print("Reacting to", eventID, "in", view.Room.ID, "with", reaction)
eventID, err := view.parent.matrix.SendEvent(&muksevt.Event{
Event: &event.Event{
Type: event.EventReaction,
RoomID: view.Room.ID,
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Content: event.Content{Parsed: &event.ReactionEventContent{RelatesTo: event.RelatesTo{
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Type: event.RelAnnotation,
EventID: eventID,
Key: reaction,
}}},
},
})
if err != nil {
if httpErr, ok := err.(mautrix.HTTPError); ok {
err = httpErr
if respErr := httpErr.RespError; respErr != nil {
err = respErr
}
}
view.AddServiceMessage(fmt.Sprintf("Failed to send reaction: %v", err))
view.parent.parent.Render()
}
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}
func (view *RoomView) SendMessage(msgtype event.MessageType, text string) {
view.SendMessageHTML(msgtype, text, "")
}
func (view *RoomView) getRelationForNewEvent() *ifc.Relation {
if view.editing != nil {
return &ifc.Relation{
Type: event.RelReplace,
Event: view.editing,
}
} else if view.replying != nil {
return &ifc.Relation{
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Type: event.RelReply,
Event: view.replying,
}
}
return nil
}
func (view *RoomView) SendMessageHTML(msgtype event.MessageType, text, html string) {
defer debug.Recover()
debug.Print("Sending message", msgtype, text, "to", view.Room.ID)
if !view.config.Preferences.DisableEmojis {
text = emoji.Sprint(text)
}
rel := view.getRelationForNewEvent()
evt := view.parent.matrix.PrepareMarkdownMessage(view.Room.ID, msgtype, text, html, rel)
view.addLocalEcho(evt)
}
func (view *RoomView) SendMessageMedia(path string) {
defer debug.Recover()
debug.Print("Sending media at", path, "to", view.Room.ID)
rel := view.getRelationForNewEvent()
evt, err := view.parent.matrix.PrepareMediaMessage(view.Room, path, rel)
if err != nil {
view.AddServiceMessage(fmt.Sprintf("Failed to upload media: %v", err))
view.parent.parent.Render()
return
}
view.addLocalEcho(evt)
}
func (view *RoomView) addLocalEcho(evt *muksevt.Event) {
msg := view.parseEvent(evt.SomewhatDangerousCopy())
view.content.AddMessage(msg, AppendMessage)
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view.ClearAllContext()
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view.status.SetText(view.GetStatus())
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eventID, err := view.parent.matrix.SendEvent(evt)
if err != nil {
msg.State = muksevt.StateSendFail
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// Show shorter version if available
if httpErr, ok := err.(mautrix.HTTPError); ok {
err = httpErr
if respErr := httpErr.RespError; respErr != nil {
err = respErr
}
}
view.AddServiceMessage(fmt.Sprintf("Failed to send message: %v", err))
view.parent.parent.Render()
} else {
debug.Print("Event ID received:", eventID)
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msg.EventID = eventID
msg.State = muksevt.StateDefault
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view.MessageView().setMessageID(msg)
view.parent.parent.Render()
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}
}
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func (view *RoomView) MessageView() *MessageView {
return view.content
}
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func (view *RoomView) MxRoom() *rooms.Room {
return view.Room
}
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func (view *RoomView) Update() {
view.topic.SetText(strings.Replace(view.Room.GetTopic(), "\n", " ", -1))
if !view.userListLoaded {
view.UpdateUserList()
}
}
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func (view *RoomView) UpdateUserList() {
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pls := &event.PowerLevelsEventContent{}
if plEvent := view.Room.GetStateEvent(event.StatePowerLevels, ""); plEvent != nil {
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pls = plEvent.Content.AsPowerLevels()
}
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view.userList.Update(view.Room.GetMembers(), pls)
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view.userListLoaded = true
}
func (view *RoomView) AddServiceMessage(text string) {
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view.content.AddMessage(messages.NewServiceMessage(text), AppendMessage)
}
func (view *RoomView) parseEvent(evt *muksevt.Event) *messages.UIMessage {
return messages.ParseEvent(view.parent.matrix, view.parent, view.Room, evt)
}
func (view *RoomView) AddHistoryEvent(evt *muksevt.Event) {
if msg := view.parseEvent(evt); msg != nil {
view.content.AddMessage(msg, PrependMessage)
}
}
func (view *RoomView) AddEvent(evt *muksevt.Event) ifc.Message {
if msg := view.parseEvent(evt); msg != nil {
view.content.AddMessage(msg, AppendMessage)
return msg
}
return nil
}
func (view *RoomView) AddRedaction(redactedEvt *muksevt.Event) {
view.AddEvent(redactedEvt)
}
func (view *RoomView) AddEdit(evt *muksevt.Event) {
if msg := view.parseEvent(evt); msg != nil {
view.content.AddMessage(msg, IgnoreMessage)
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}
}
func (view *RoomView) AddReaction(evt *muksevt.Event, key string) {
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msgView := view.MessageView()
msg := msgView.getMessageByID(evt.ID)
if msg == nil {
// Message not in view, nothing to do
return
}
recalculate := len(msg.Reactions) == 0
msg.AddReaction(key)
if recalculate {
// Recalculate height for message
msg.CalculateBuffer(msgView.prevPrefs, msgView.prevWidth())
msgView.replaceBuffer(msg, msg)
}
}
func (view *RoomView) GetEvent(eventID id.EventID) ifc.Message {
message, ok := view.content.messageIDs[eventID]
if !ok {
return nil
}
return message
}