diff --git a/chat.go b/chat.go new file mode 100644 index 0000000..0f4cadc --- /dev/null +++ b/chat.go @@ -0,0 +1,264 @@ +/* +Copyright © Brian Buller + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ +package widgets + +import ( + "fmt" + "time" + + h "git.bullercodeworks.com/brian/tcell-widgets/helpers" + "github.com/gdamore/tcell" +) + +type Chat struct { + id string + style tcell.Style + + x, y int + w, h int + active bool + visible bool + + title string + rawLog []string + log []*ChatMsg + logPosition int + + value string + cursor int + + history []ChatMsg + historyPosition int + + keyMap KeyMap +} + +func NewChat(id string, s tcell.Style) *Chat { + ret := &Chat{} + ret.Init(id, s) + return ret +} + +func (w *Chat) Init(id string, s tcell.Style) { + w.id, w.style = id, s + w.visible = true + w.initKeyMap() +} + +func (w *Chat) Id() string { return w.id } +func (w *Chat) HandleResize(ev *tcell.EventResize) {} +func (w *Chat) HandleKey(ev *tcell.EventKey) bool { + if !w.active { + return false + } + if h.IsKey(*ev, tcell.KeyEsc) { + w.SetActive(false) + return true + } + if h.IsBS(*ev) { + if w.cursor > 0 { + w.cursor-- + } + if w.cursor < len(w.value) { + w.value = w.value[:w.cursor] + w.value[w.cursor+1:] + } + } + if ok := w.keyMap.Handle(ev); ok { + return true + } + + var ch string + if h.KeyIsDisplayable(*ev) { + ch = string(ev.Rune()) + if w.cursor < len(w.value) { + strPt1 := w.value[:w.cursor] + strPt2 := w.value[w.cursor:] + w.value = fmt.Sprintf("%s%s%s", strPt1, ch, strPt2) + } else { + w.value = fmt.Sprintf("%s%s", w.value, ch) + } + w.cursor++ + return true + } + return false +} +func (w *Chat) HandleTime(ev *tcell.EventTime) {} + +func (w *Chat) Draw(screen tcell.Screen) { + if !w.visible { + return + } + dStyle := w.style + if !w.active { + dStyle = dStyle.Dim(true) + } + if w.title != "" { + h.TitledBorderFilled(w.x, w.y, w.x+w.w-1, w.y+w.h, w.title, h.BRD_SIMPLE, dStyle, screen) + } else { + h.BorderFilled(w.x, w.y, w.x+w.w-1, w.y+w.h, h.BRD_SIMPLE, dStyle, screen) + } + + x, y := w.x+1, w.y+1+w.h-3 + for i := 0; i < w.h-2; i++ { + if len(w.log) > i { + line := w.log[len(w.log)-i-1].String() + if len(line) > w.w-2 { + line = line[:w.w-2] + } + h.DrawText(x, y, h.PadR(line, w.w), dStyle, screen) + y-- + } + } + y = w.y + w.h - 1 + cursor := " " + pre := "> " + var post string + if len(w.value) > 0 { + pre = fmt.Sprintf("%s%s", pre, w.value[:w.cursor]) + if w.cursor < len(w.value) { + cursor = string(w.value[w.cursor]) + post = w.value[w.cursor+1:] + } + } + h.DrawText(x, y, pre, dStyle, screen) + x += len(pre) + h.DrawText(x, y, cursor, dStyle.Reverse(w.active), screen) + x += 1 + h.DrawText(x, y, h.PadR(post, w.w-x), dStyle, screen) + // x += len(post) - 1 +} + +func (w *Chat) Active() bool { return w.active } +func (w *Chat) SetActive(a bool) { w.active = a } +func (w *Chat) Visible() bool { return w.visible } +func (w *Chat) SetVisible(a bool) { w.visible = a } +func (w *Chat) Focusable() bool { return true } +func (w *Chat) SetX(x int) { w.x = x } +func (w *Chat) SetY(y int) { w.y = y } +func (w *Chat) GetX() int { return w.x } +func (w *Chat) GetY() int { return w.y } +func (w *Chat) SetPos(c Coord) { w.x, w.y = c.X, c.Y } +func (w *Chat) GetW() int { return w.w } +func (w *Chat) GetH() int { return w.h } +func (w *Chat) SetW(wd int) { w.w = wd } +func (w *Chat) SetH(h int) { w.h = h } +func (w *Chat) SetSize(c Coord) { w.w, w.h = c.X, c.Y } +func (w *Chat) WantW() int { return w.w } +func (w *Chat) WantH() int { return w.h } + +func (w *Chat) initKeyMap() { + w.keyMap = NewKeyMap(map[tcell.Key]func() bool{ + tcell.KeyEsc: func() bool { + w.SetActive(false) + return true + }, + tcell.KeyUp: func() bool { + if w.historyPosition < len(w.history)-1 { + w.historyPosition++ + w.value = w.history[w.historyPosition].Message + w.cursor = len(w.value) + return true + } + return false + }, + tcell.KeyDown: func() bool { + if w.historyPosition > -1 { + w.historyPosition-- + if w.historyPosition == -1 { + w.value = "" + } else { + w.value = w.history[w.historyPosition].Message + } + w.cursor = len(w.value) + return true + } + return false + }, + tcell.KeyLeft: func() bool { + if w.cursor > 0 { + w.cursor-- + return true + } + return false + }, + tcell.KeyRight: func() bool { + if w.cursor < len(w.value) { + w.cursor++ + return true + } + return false + }, + tcell.KeyCtrlU: func() bool { + w.value = w.value[w.cursor:] + w.cursor = 0 + return true + }, + tcell.KeyTab: func() bool { + // Auto-complete + // TODO: Find best guess for current word + return false + }, + tcell.KeyEnter: func() bool { + // TODO: Submit the message + return false + }, + }) +} +func (w *Chat) SetTitle(ttl string) { w.title = ttl } +func (w *Chat) Title() string { return w.title } +func (w *Chat) SetValue(val string) { + w.value = val + w.cursor = len(val) +} + +func (w *Chat) Log(msg *ChatMsg) { + w.rawLog = append(w.rawLog, msg.String()) + w.log = append(w.log, msg) +} + +func (w *Chat) Clear() { + w.rawLog = []string{} + w.log = []*ChatMsg{} +} + +const ( + MsgChat = iota + MsgSystem +) + +type ChatMsg struct { + MsgType int + MsgTime time.Time + FromName string + Message string +} + +func (c ChatMsg) String() string { + if c.MsgType == MsgChat { + from := c.FromName + if from == "" { + from = "Unknown" + } + return fmt.Sprintf("%s <%s> %s", c.MsgTime.Format("15:04"), from, c.Message) + } + return fmt.Sprintf("%s", c.Message) +} diff --git a/cli.go b/cli.go index 94a9561..0f3da79 100644 --- a/cli.go +++ b/cli.go @@ -280,9 +280,10 @@ func (w *Cli) findBestGuess() string { return "" } -func (w *Cli) Log(txt string) { - w.rawLog = append(w.rawLog, txt) - w.log = append(w.log, h.WrapStringToSlice(txt, w.w-2)...) +func (w *Cli) Log(txt string, args ...any) { + val := fmt.Sprintf(txt, args...) + w.rawLog = append(w.rawLog, val) + w.log = append(w.log, h.WrapStringToSlice(val, w.w-2)...) } func (w *Cli) Clear() {