From 0543020038edb5de1162863e7401ea36f8a8584c Mon Sep 17 00:00:00 2001
From: hhvn <dev@hhvn.uk>
Date: Tue, 8 Aug 2023 10:46:53 +0100
Subject: Channel-based bspwm communication

---
 main.go | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 59 insertions(+), 13 deletions(-)

(limited to 'main.go')

diff --git a/main.go b/main.go
index 36dba0e..a9e23c2 100644
--- a/main.go
+++ b/main.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-	"fmt"
+	"strings"
 
 	"hhvn.uk/hbspbar/common"
 	"hhvn.uk/hbspbar/bspc"
@@ -13,32 +13,78 @@ import (
 	*/
 )
 
+var reloadEvents = []string{
+	"monitor_rename",
+	"monitor_swap",
+	"monitor_focus",
+	"desktop_add",
+	"desktop_rename",
+	"desktop_remove",
+	"desktop_swap",
+	"desktop_transfer",
+	"desktop_focus",
+	"desktop_activate",
+	"desktop_layout",
+	"node_add",
+	"node_remove",
+	"node_swap",
+	"node_transfer" }
+
+func reloadState(current *bspc.State) (*bspc.State, error) {
+	state, err := bspc.LoadState()
+
+	if err != nil {
+		return current, err
+	} else {
+		return state, nil
+	}
+}
+
+func handleEvent(events *bspc.Subscriber) (bool) {
+	var event *bspc.Event
+
+	select {
+	case event = <-events.Event:
+		break
+	default:
+		return false
+	}
+
+	if event.Err != nil {
+		common.Error("Couldn't read event: %s\n", event.Err)
+		return false
+	}
+
+	for i := 0; i < len(reloadEvents); i++ {
+		if event.Name == reloadEvents[i] {
+			return true
+		}
+	}
+
+	return false
+}
+
 func main() {
 	state, err := bspc.LoadState()
 	if (err != nil) {
-		common.Error("Couldn't load bspwm state: %s", err)
+		common.Error("Couldn't load bspwm state: %s\n", err)
 		return
 	}
 
 	events, err := bspc.Subscribe()
 	if (err != nil) {
-		common.Error("Couldn't subscribe to bspwm: %s", err)
+		common.Error("Couldn't subscribe to bspwm: %s\n", err)
 		return
 	}
 	defer events.Close()
 
-	fmt.Println(state.Monitors[0].ID)
 
 	for {
-		event, err := events.Get()
-
-		if err != nil {
-			common.Error("Couldn't read event: %s", err)
-			return
-		}
-
-		if event != nil {
-			fmt.Printf("Event: %v %v\n", event.Name, event.Tokens)
+		if reload := handleEvent(events); reload {
+			state, err = reloadState(state)
+			if err != nil {
+				common.Error("Couldn't reload bspwm state: %s\n", err)
+			}
 		}
 	}
 }
-- 
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