From f4b018334155302ef17d24d021c22d88da50c002 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 24 Jul 2023 12:19:27 +0530
Subject: [PATCH] Nicer debug output of timers

---
 tools/tui/loop/api.go    |  4 ----
 tools/tui/loop/run.go    |  4 ++--
 tools/tui/loop/timers.go | 22 ++++++++++++++++++++++
 3 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/tools/tui/loop/api.go b/tools/tui/loop/api.go
index b7e45e245..3001ff2dd 100644
--- a/tools/tui/loop/api.go
+++ b/tools/tui/loop/api.go
@@ -44,10 +44,6 @@ type timer struct {
 	callback TimerCallback
 }
 
-func (self *timer) update_deadline(now time.Time) {
-	self.deadline = now.Add(self.interval)
-}
-
 type Loop struct {
 	controlling_term                       *tty.Term
 	terminal_options                       TerminalStateOptions
diff --git a/tools/tui/loop/run.go b/tools/tui/loop/run.go
index 59230a17a..4b3e4fd5d 100644
--- a/tools/tui/loop/run.go
+++ b/tools/tui/loop/run.go
@@ -20,7 +20,7 @@ import (
 var SIGNULL unix.Signal
 
 func new_loop() *Loop {
-	l := Loop{controlling_term: nil, timers_temp: make([]*timer, 0, 8), timers: make([]*timer, 0, 8)}
+	l := Loop{controlling_term: nil}
 	l.terminal_options.alternate_screen = true
 	l.terminal_options.restore_colors = true
 	l.terminal_options.kitty_keyboard_mode = DISAMBIGUATE_KEYS | REPORT_ALTERNATE_KEYS | REPORT_ALL_KEYS_AS_ESCAPE_CODES | REPORT_TEXT_WITH_KEYS
@@ -280,7 +280,7 @@ func (self *Loop) run() (err error) {
 	self.escape_code_parser.Reset()
 	self.exit_code = 0
 	self.atomic_update_active = false
-	self.timers = make([]*timer, 0, 1)
+	self.timers, self.timers_temp = make([]*timer, 0, 8), make([]*timer, 0, 8)
 	no_timeout_channel := make(<-chan time.Time)
 	finalizer := ""
 
diff --git a/tools/tui/loop/timers.go b/tools/tui/loop/timers.go
index 511abe126..4259118b7 100644
--- a/tools/tui/loop/timers.go
+++ b/tools/tui/loop/timers.go
@@ -4,11 +4,33 @@ package loop
 
 import (
 	"fmt"
+	"reflect"
+	"runtime"
 	"time"
 
 	"golang.org/x/exp/slices"
+
+	"kitty/tools/tty"
 )
 
+var debugprintln = tty.DebugPrintln
+
+func (self *timer) update_deadline(now time.Time) {
+	self.deadline = now.Add(self.interval)
+}
+
+func (self timer) String() string {
+	funcname := "<nil>"
+	if self.callback != nil {
+		p := reflect.ValueOf(self.callback).Pointer()
+		f := runtime.FuncForPC(p)
+		if f != nil {
+			funcname = f.Name()
+		}
+	}
+	return fmt.Sprintf("Timer(callback=%s, deadline=%s, repeats=%v)", funcname, self.deadline.Sub(time.Now()), self.repeats)
+}
+
 func (self *Loop) add_timer(interval time.Duration, repeats bool, callback TimerCallback) (IdType, error) {
 	if self.timers == nil {
 		return 0, fmt.Errorf("Cannot add timers before starting the run loop, add them in OnInitialize instead")