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authorTulir Asokan <tulir@maunium.net>2018-03-18 21:24:03 +0200
committerTulir Asokan <tulir@maunium.net>2018-03-18 21:24:03 +0200
commit72945c9a284b6858594f1e8a43743c397e90c380 (patch)
treec4dc096f97c546dcc546d50385e2909e2e10b82d /ui/types
parent0509b195625c959a7b5556e3baae4f869c4d62f6 (diff)
Organize files
Diffstat (limited to 'ui/types')
-rw-r--r--ui/types/message.go85
1 files changed, 85 insertions, 0 deletions
diff --git a/ui/types/message.go b/ui/types/message.go
new file mode 100644
index 0000000..b69eab2
--- /dev/null
+++ b/ui/types/message.go
@@ -0,0 +1,85 @@
+// 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 types
+
+import (
+ "regexp"
+ "strings"
+
+ "github.com/gdamore/tcell"
+ "github.com/mattn/go-runewidth"
+)
+
+type Message struct {
+ ID string
+ Sender string
+ Text string
+ Timestamp string
+ Date string
+
+ Buffer []string
+ SenderColor tcell.Color
+}
+
+func NewMessage(id, sender, text, timestamp, date string, senderColor tcell.Color) *Message {
+ return &Message{
+ ID: id,
+ Sender: sender,
+ Text: text,
+ Timestamp: timestamp,
+ Date: date,
+ SenderColor: senderColor,
+ }
+}
+
+var (
+ boundaryPattern = regexp.MustCompile("([[:punct:]]\\s*|\\s+)")
+ spacePattern = regexp.MustCompile(`\s+`)
+)
+
+func (message *Message) CalculateBuffer(width int) {
+ if width < 1 {
+ return
+ }
+ message.Buffer = []string{}
+ forcedLinebreaks := strings.Split(message.Text, "\n")
+ newlines := 0
+ for _, str := range forcedLinebreaks {
+ if len(str) == 0 && newlines < 1 {
+ message.Buffer = append(message.Buffer, "")
+ newlines++
+ } else {
+ newlines = 0
+ }
+ // From tview/textview.go#reindexBuffer()
+ for len(str) > 0 {
+ extract := runewidth.Truncate(str, width, "")
+ if len(extract) < len(str) {
+ if spaces := spacePattern.FindStringIndex(str[len(extract):]); spaces != nil && spaces[0] == 0 {
+ extract = str[:len(extract)+spaces[1]]
+ }
+
+ matches := boundaryPattern.FindAllStringIndex(extract, -1)
+ if len(matches) > 0 {
+ extract = extract[:matches[len(matches)-1][1]]
+ }
+ }
+ message.Buffer = append(message.Buffer, extract)
+ str = str[len(extract):]
+ }
+ }
+}