implement copy on select for terminal (#1029)

frontend/app/view/term/termwrap.ts

@@ -5,7 +5,7 @@ import { getFileSubject } from "@/app/store/wps";
 import { sendWSCommand } from "@/app/store/ws";
 import { RpcApi } from "@/app/store/wshclientapi";
 import { WindowRpcClient } from "@/app/store/wshrpcutil";
-import { PLATFORM, WOS, atoms, fetchWaveFile, globalStore, openLink } from "@/store/global";
+import { PLATFORM, WOS, atoms, fetchWaveFile, getSettingsKeyAtom, globalStore, openLink } from "@/store/global";
 import * as services from "@/store/services";
 import * as util from "@/util/util";
 import { base64ToArray, fireAndForget } from "@/util/util";
@@ -134,7 +134,19 @@ export class TermWrap {
     }
 
     async initTerminal() {
+        const copyOnSelectAtom = getSettingsKeyAtom("term:copyonselect");
         this.terminal.onData(this.handleTermData.bind(this));
+        this.terminal.onSelectionChange(
+            debounce(50, () => {
+                if (!globalStore.get(copyOnSelectAtom)) {
+                    return;
+                }
+                const selectedText = this.terminal.getSelection();
+                if (selectedText.length > 0) {
+                    navigator.clipboard.writeText(selectedText);
+                }
+            })
+        );
         this.mainFileSubject = getFileSubject(this.blockId, TermFileName);
         this.mainFileSubject.subscribe(this.handleNewFileSubjectData.bind(this));
         try {

frontend/app/view/webview/webview.less

@@ -9,4 +9,9 @@
     overflow: hidden;
     padding: 0;
     margin: 0;
+
+    // try to force pixel alignment to prevent
+    // subpixel rendering artifacts
+    transform: translate3d(0, 0, 0);
+    will-change: transform;
 }

frontend/types/gotypes.d.ts

@@ -445,6 +445,7 @@ declare global {
         "term:localshellpath"?: string;
         "term:localshellopts"?: string[];
         "term:scrollback"?: number;
+        "term:copyonselect"?: boolean;
         "editor:minimapenabled"?: boolean;
         "editor:stickyscrollenabled"?: boolean;
         "web:*"?: boolean;

pkg/wconfig/defaultconfig/settings.json

@@ -11,5 +11,6 @@
     "web:defaulturl": "https://github.com/wavetermdev/waveterm",
     "web:defaultsearch": "https://www.google.com/search?q={query}",
     "window:tilegapsize": 3,
-    "telemetry:enabled": true
+    "telemetry:enabled": true,
+    "term:copyonselect": true
 }

pkg/wconfig/metaconsts.go

@@ -26,6 +26,7 @@ const (
 	ConfigKey_TermLocalShellPath             = "term:localshellpath"
 	ConfigKey_TermLocalShellOpts             = "term:localshellopts"
 	ConfigKey_TermScrollback                 = "term:scrollback"
+	ConfigKey_TermCopyOnSelect               = "term:copyonselect"
 
 	ConfigKey_EditorMinimapEnabled           = "editor:minimapenabled"
 	ConfigKey_EditorStickyScrollEnabled      = "editor:stickyscrollenabled"

pkg/wconfig/settingsconfig.go

@@ -60,6 +60,7 @@ type SettingsType struct {
 	TermLocalShellPath string   `json:"term:localshellpath,omitempty"`
 	TermLocalShellOpts []string `json:"term:localshellopts,omitempty"`
 	TermScrollback     *int64   `json:"term:scrollback,omitempty"`
+	TermCopyOnSelect   *bool    `json:"term:copyonselect,omitempty"`
 
 	EditorMinimapEnabled      bool `json:"editor:minimapenabled,omitempty"`
 	EditorStickyScrollEnabled bool `json:"editor:stickyscrollenabled,omitempty"`