add history state navigation

src/webpage/channel.ts

@@ -801,7 +801,7 @@ class Channel extends SnowFlake{
 		}
 	}
 	static genid: number = 0;
-	async getHTML(){
+	async getHTML(addstate=true){
 		const id = ++Channel.genid;
 		if(this.localuser.channelfocus){
 			this.localuser.channelfocus.infinite.delete();
@@ -820,8 +820,9 @@ class Channel extends SnowFlake{
 		this.localuser.userinfo.updateLocal();
 		this.localuser.channelfocus = this;
 		const prom = this.infinite.delete();
-		history.pushState(null, "", "/channels/" + this.guild_id + "/" + this.id);
-
+		if(addstate){
+			history.pushState([this.guild_id,this.id], "", "/channels/" + this.guild_id + "/" + this.id);
+		}
 		this.localuser.pageTitle("#" + this.name);
 		const channelTopic = document.getElementById("channelTopic") as HTMLSpanElement;
 		if(this.topic){

src/webpage/direct.ts

@@ -180,7 +180,7 @@ class Group extends Channel{
 		this.guild.prevchannel = this;
 		this.localuser.channelfocus = this;
 		const prom = this.infinite.delete();
-		history.pushState(null, "", "/channels/" + this.guild_id + "/" + this.id);
+		history.pushState([this.guild_id,this.id], "", "/channels/" + this.guild_id + "/" + this.id);
 		this.localuser.pageTitle("@" + this.name);
 		(document.getElementById("channelTopic") as HTMLElement).setAttribute("hidden","");
 

src/webpage/guild.ts

@@ -584,22 +584,22 @@ class Guild extends SnowFlake{
 		}
 		return this.member.hasRole(r);
 	}
-	loadChannel(ID?: string | undefined){
+	loadChannel(ID?: string | undefined,addstate=true){
 		if(ID){
 			const channel = this.localuser.channelids.get(ID);
 			if(channel){
-				channel.getHTML();
+				channel.getHTML(addstate);
 				return;
 			}
 		}
 		if(this.prevchannel){
 			console.log(this.prevchannel);
-			this.prevchannel.getHTML();
+			this.prevchannel.getHTML(addstate);
 			return;
 		}
 		for(const thing of this.channels){
 			if(thing.children.length === 0){
-				thing.getHTML();
+				thing.getHTML(addstate);
 				return;
 			}
 		}

src/webpage/index.ts

@@ -148,7 +148,12 @@ import { I18n } from "./i18n.js";
 
 	const pasteImageElement = document.getElementById("pasteimage") as HTMLDivElement;
 	let replyingTo: Message | null = null;
-
+	window.addEventListener("popstate",(e)=>{
+		if(e.state instanceof Object){
+			thisUser.goToChannel(e.state[1],false);
+		}
+		//console.log(e.state,"state:3")
+	})
 	async function handleEnter(event: KeyboardEvent): Promise<void>{
 		if(thisUser.keyup(event)){return}
 		const channel = thisUser.channelfocus;

src/webpage/localuser.ts

@@ -726,12 +726,12 @@ class Localuser{
 		}
 	}
 	gotoid: string | undefined;
-	async goToChannel(id: string){
+	async goToChannel(id: string,addstate=true){
 		const channel = this.channelids.get(id);
 		if(channel){
 			const guild = channel.guild;
 			guild.loadGuild();
-			guild.loadChannel(id);
+			guild.loadChannel(id,addstate);
 		}else{
 			this.gotoid = id;
 		}