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Add WebGL and links addons for xterm.js

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This commit is contained in:
Søren L. Hansen 2021-04-22 12:44:06 -07:00
parent 8d7358b3b3
commit 0dfc5aed76
9 changed files with 47 additions and 14 deletions
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2
Makefile
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@ -12,7 +12,7 @@ docker:
.PHONY: asset
asset: bindata/static/js/gotty.js bindata/static/index.html bindata/static/favicon.png bindata/static/css/index.css bindata/static/css/xterm.css bindata/static/css/xterm_customize.css bindata/static/manifest.json bindata/static/icon_192.png server/asset.go
server/asset.go:
server/asset.go: bindata/* bindata/*/* bindata/*/*/*
go-bindata -prefix bindata -pkg server -ignore=\\.gitkeep -o server/asset.go bindata/...
gofmt -w server/asset.go

5
NEWS.md
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@ -1,5 +1,10 @@
# GoTTY releases
## v1.3.0 (Unreleased)
* Links in the tty are now clickable.
* Use WebGL for rendering by default.
## v1.2.0
* Pass BUILD\_OPTIONS to gox, too, so release artifacts have version info included.

10
js/package-lock.json generated
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@ -1462,6 +1462,16 @@
"resolved": "https://registry.npmjs.org/xterm-addon-fit/-/xterm-addon-fit-0.5.0.tgz",
"integrity": "sha512-DsS9fqhXHacEmsPxBJZvfj2la30Iz9xk+UKjhQgnYNkrUIN5CYLbw7WEfz117c7+S86S/tpHPfvNxJsF5/G8wQ=="
},
"xterm-addon-web-links": {
"version": "0.4.0",
"resolved": "https://registry.npmjs.org/xterm-addon-web-links/-/xterm-addon-web-links-0.4.0.tgz",
"integrity": "sha512-xv8GeiINmx0zENO9hf5k+5bnkaE8mRzF+OBAr9WeFq2eLaQSudioQSiT34M1ofKbzcdjSsKiZm19Rw3i4eXamg=="
},
"xterm-addon-webgl": {
"version": "0.10.0",
"resolved": "https://registry.npmjs.org/xterm-addon-webgl/-/xterm-addon-webgl-0.10.0.tgz",
"integrity": "sha512-MJzyWie5yw+PH6p//fXlXzmsULLtpBo992EWEKl2uv5M5Zj9etTwfuutCUK7o98mr6itDl+vS/CYIMP68jCf8w=="
},
"yocto-queue": {
"version": "0.1.0",
"resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",

4
js/package.json
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@ -14,6 +14,8 @@
"libapps": "github:yudai/libapps#release-hterm-1.70",
"style-loader": "^2.0.0",
"xterm": "^4.11.0",
"xterm-addon-fit": "^0.5.0"
"xterm-addon-fit": "^0.5.0",
"xterm-addon-web-links": "^0.4.0",
"xterm-addon-webgl": "^0.10.0"
}
}

2
js/src/hterm.ts
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@ -53,7 +53,9 @@ export class Hterm {
setPreferences(value: object) {
Object.keys(value).forEach((key) => {
if (key != "EnableWebGL") {
this.term.getPrefs().set(key, value[key]);
}
});
};

15
js/src/xterm.ts
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@ -1,5 +1,7 @@
import { Terminal, IDisposable } from "xterm";
import { FitAddon } from 'xterm-addon-fit';
import { WebLinksAddon } from 'xterm-addon-web-links';
import { WebglAddon } from 'xterm-addon-webgl';
import { lib } from "libapps"
export class Xterm {
@ -13,19 +15,21 @@ export class Xterm {
messageTimer: NodeJS.Timeout;
onResizeHandler: IDisposable;
onDataHandler: IDisposable;
fitAddOn: FitAddon;
constructor(elem: HTMLElement) {
this.elem = elem;
this.term = new Terminal();
const fitAddon = new FitAddon();
this.term.loadAddon(fitAddon);
this.fitAddOn = new FitAddon();
this.term.loadAddon(new WebLinksAddon());
this.term.loadAddon(this.fitAddOn);
this.message = elem.ownerDocument.createElement("div");
this.message.className = "xterm-overlay";
this.messageTimeout = 2000;
this.resizeListener = () => {
fitAddon.fit();
this.fitAddOn.fit();
this.term.scrollToBottom();
this.showMessage(String(this.term.cols) + "x" + String(this.term.rows), this.messageTimeout);
};
@ -71,6 +75,11 @@ export class Xterm {
};
setPreferences(value: object) {
Object.keys(value).forEach((key) => {
if (key == "EnableWebGL" && key) {
this.term.loadAddon(new WebglAddon());
}
});
};
onInput(callback: (input: string) => void) {

6
server/asset.go
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File diff suppressed because one or more lines are too long

7
server/handlers.go
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@ -154,9 +154,12 @@ func (server *Server) processWSConn(ctx context.Context, conn *websocket.Conn) e
if server.options.Height > 0 {
opts = append(opts, webtty.WithFixedRows(server.options.Height))
}
if server.options.Preferences != nil {
opts = append(opts, webtty.WithMasterPreferences(server.options.Preferences))
if server.options.Preferences == nil {
server.options.Preferences = &HtermPrefernces{}
}
// Awkward hack until HtermPreferences can be phased out
server.options.Preferences.EnableWebGL = server.options.EnableWebGL
opts = append(opts, webtty.WithMasterPreferences(server.options.Preferences))
tty, err := webtty.New(&wsWrapper{conn}, slave, opts...)
if err != nil {

2
server/options.go
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@ -31,6 +31,7 @@ type Options struct {
Height int `hcl:"height" flagName:"height" flagDescribe:"Static height of the screen, 0(default) means dynamically resize" default:"0"`
WSOrigin string `hcl:"ws_origin" flagName:"ws-origin" flagDescribe:"A regular expression that matches origin URLs to be accepted by WebSocket. No cross origin requests are acceptable by default" default:""`
Term string `hcl:"term" flagName:"term" flagDescribe:"Terminal name to use on the browser, one of xterm or hterm." default:"xterm"`
EnableWebGL bool `hcl:"enable_webgl" flagName:"enable-webgl" flagDescribe:"Enable WebGL renderer" default:"true"`
TitleVariables map[string]interface{}
}
@ -73,6 +74,7 @@ type HtermPrefernces struct {
EnableClipboardNotice bool `hcl:"enable_clipboard_notice" json:"enable-clipboard-notice,omitempty"`
EnableClipboardWrite bool `hcl:"enable_clipboard_write" json:"enable-clipboard-write,omitempty"`
EnableDec12 bool `hcl:"enable_dec12" json:"enable-dec12,omitempty"`
EnableWebGL bool `json:"EnableWebGL,omitempty"`
Environment map[string]string `hcl:"environment" json:"environment,omitempty"`
FontFamily string `hcl:"font_family" json:"font-family,omitempty"`
FontSize int `hcl:"font_size" json:"font-size,omitempty"`