Clear the input on CTRL+C instead of quitting

We have /QUIT for quitting. Most well-known IRC clients don't quit on
CTRL+C but they do on QUIT.

Clearing the editor input on CTRL+C is useful for shell-like behaviour
"abort current line, let me start my line again".

3 files changed, 18 insertions, 1 deletions

diff --git a/app.go b/app.go
index 57c12de..272cd40 100644
--- a/app.go
+++ b/app.go
@@ -320,7 +320,8 @@ func (app *App) handleMouseEvent(ev *tcell.EventMouse) {
 func (app *App) handleKeyEvent(ev *tcell.EventKey) {
 	switch ev.Key() {
 	case tcell.KeyCtrlC:
-		app.win.Exit()
+		app.win.InputClear()
+		app.typing()
 	case tcell.KeyCtrlL:
 		app.win.Resize()
 	case tcell.KeyCtrlU, tcell.KeyPgUp:
diff --git a/ui/editor.go b/ui/editor.go
index bf21f85..15785e8 100644
--- a/ui/editor.go
+++ b/ui/editor.go
@@ -164,6 +164,18 @@ func (e *Editor) Flush() (content string) {
 	return
 }
 
+func (e *Editor) Clear() {
+	if e.TextLen() == 0 {
+		return
+	}
+	e.text[e.lineIdx] = []rune{}
+	e.textWidth = e.textWidth[:1]
+	e.cursorIdx = 0
+	e.offsetIdx = 0
+	e.autoCache = nil
+	return
+}
+
 func (e *Editor) Right() {
 	e.right()
 	e.autoCache = nil
diff --git a/ui/ui.go b/ui/ui.go
index 0b45a3c..4ced9f0 100644
--- a/ui/ui.go
+++ b/ui/ui.go
@@ -228,6 +228,10 @@ func (ui *UI) InputEnter() (content string) {
 	return ui.e.Flush()
 }
 
+func (ui *UI) InputClear() {
+	ui.e.Clear()
+}
+
 func (ui *UI) Resize() {
 	w, h := ui.screen.Size()
 	ui.e.Resize(w - 9 - ui.config.ChanColWidth - ui.config.NickColWidth)