observable fix

This continues the work to unblock multiple window support. `emain.ts`
now contains no more references to a "main" window, instead all event
handlers will dispatch to either the window that triggered the event,
the currently focused window, or the first window to be spun up.

.github/workflows/regression.yml

@@ -22,7 +22,7 @@ jobs:
             - uses: dashcamio/testdriver@main
               id: testdriver
               with:
-                  version: v2.10.2
+                    version: v2.12.5
                   prerun: |
                       rm ~/Desktop/WITH-LOVE-FROM-AMERICA.txt
                       cd ~/actions-runner/_work/testdriver/testdriver/

package.json

@@ -38,18 +38,17 @@
         "monaco-editor": "0.48.0",
         "mustache": "^4.2.0",
         "node-fetch": "^3.2.10",
-        "overlayscrollbars": "^2.6.1",
+        "overlayscrollbars": "^2.7.3",
         "overlayscrollbars-react": "^0.5.5",
         "papaparse": "^5.4.1",
         "react": "^18.1.0",
-        "react-dnd": "^16.0.1",
-        "react-dnd-html5-backend": "^16.0.1",
         "react-dom": "^18.1.0",
         "react-markdown": "^9.0.0",
         "remark": "^15.0.1",
         "remark-gfm": "^4.0.0",
         "sprintf-js": "^1.1.2",
         "throttle-debounce": "^5.0.0",
+        "tinycolor2": "^1.6.0",
         "tsx-control-statements": "^5.1.1",
         "uuid": "^9.0.0",
         "winston": "^3.8.2",

src/app/common/elements/markdown.tsx

@@ -47,7 +47,10 @@ class CodeBlockMarkdown extends React.Component<
         let clickHandler: (e: React.MouseEvent<HTMLElement>, blockIndex: number) => void;
         let inputModel = GlobalModel.inputModel;
         clickHandler = (e: React.MouseEvent<HTMLElement>, blockIndex: number) => {
-            inputModel.setCodeSelectSelectedCodeBlock(blockIndex);
+            const sel = window.getSelection();
+            if (sel?.toString().length == 0) {
+                inputModel.setCodeSelectSelectedCodeBlock(blockIndex);
+            }
         };
         let selected = this.blockIndex == this.props.codeSelectSelectedIndex;
         return (

src/app/magiclayout.ts

@@ -23,7 +23,7 @@ let MagicLayout = {
     MainSidebarDefaultWidth: 240,
 
     RightSidebarMinWidth: 0,
-    RightSidebarMaxWidth: 300,
+    RightSidebarMaxWidth: 400,
     RightSidebarSnapThreshold: 90,
     RightSidebarDragResistance: 50,
     RightSidebarDefaultWidth: 240,

src/app/sidebar/aichat.less

@@ -0,0 +1,97 @@
+.sidebar-aichat {
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+    height: 100%;
+
+    .titlebar {
+        background-color: var(--app-panel-bg-color);
+        color: var(--term-blue);
+        padding: 6px 15px;
+        display: flex;
+        flex: 0 0 auto;
+        flex-direction: row;
+        width: 100%;
+        border-bottom: 1px solid var(--app-border-color);
+        font: var(--base-font);
+        user-select: none;
+        cursor: default;
+        line-height: 18px;
+        overflow: hidden;
+
+        .title-string {
+            font-weight: bold;
+        }
+    }
+
+    > .content {
+        flex-flow: column nowrap;
+        flex: 1;
+        margin-bottom: 0;
+        overflow-y: auto;
+
+        .chat-window {
+            display: flex;
+            // margin-bottom: 5px;
+            flex-direction: column;
+            height: 100%;
+
+            // This is the filler that will push the chat messages to the bottom until the chat window is full
+            .filler {
+                flex: 1 1 auto;
+            }
+        }
+
+        .chat-msg {
+            padding: calc(var(--termpad) * 2);
+            display: flex;
+
+            .chat-msg-header {
+                display: flex;
+                margin-bottom: 2px;
+
+                i {
+                    margin-right: 0.5em;
+                }
+            }
+        }
+
+        .chat-msg-assistant {
+            color: var(--app-text-color);
+
+            pre {
+                white-space: pre-wrap;
+                word-break: break-word;
+                max-width: 100%;
+                overflow-x: auto;
+                margin-left: 0;
+            }
+        }
+
+        .chat-msg-error {
+            color: var(--cmdinput-text-error);
+            font-family: var(--markdown-font);
+            font-size: 14px;
+        }
+    }
+
+    .chat-input {
+        padding: 16px 15px 7px;
+        flex: 0 0 auto;
+        border-top: 1px solid var(--app-border-color);
+
+        .chat-textarea {
+            color: var(--app-text-primary-color);
+            background-color: var(--cmdinput-textarea-bg);
+            resize: none;
+            width: 100%;
+            border: transparent;
+            outline: none;
+            overflow: auto;
+            overflow-wrap: anywhere;
+            font-family: var(--termfontfamily);
+            font-weight: normal;
+            line-height: var(--termlineheight);
+        }
+    }
+}

src/app/sidebar/aichat.tsx

@@ -0,0 +1,327 @@
+// Copyright 2023, Command Line Inc.
+// SPDX-License-Identifier: Apache-2.0
+
+import * as React from "react";
+import * as mobxReact from "mobx-react";
+import * as mobx from "mobx";
+import { GlobalModel } from "@/models";
+import { boundMethod } from "autobind-decorator";
+import { If, For } from "tsx-control-statements/components";
+import { Markdown } from "@/elements";
+import type { OverlayScrollbars } from "overlayscrollbars";
+import { OverlayScrollbarsComponent, OverlayScrollbarsComponentRef } from "overlayscrollbars-react";
+import tinycolor from "tinycolor2";
+
+import "./aichat.less";
+
+class AIChatKeybindings extends React.Component<{ AIChatObject: AIChat }, {}> {
+    componentDidMount(): void {
+        const AIChatObject = this.props.AIChatObject;
+        const keybindManager = GlobalModel.keybindManager;
+        const inputModel = GlobalModel.inputModel;
+
+        keybindManager.registerKeybinding("pane", "aichat", "generic:confirm", (waveEvent) => {
+            AIChatObject.onEnterKeyPressed();
+            return true;
+        });
+        keybindManager.registerKeybinding("pane", "aichat", "generic:expandTextInput", (waveEvent) => {
+            AIChatObject.onExpandInputPressed();
+            return true;
+        });
+        keybindManager.registerKeybinding("pane", "aichat", "generic:cancel", (waveEvent) => {
+            inputModel.closeAuxView();
+            return true;
+        });
+        keybindManager.registerKeybinding("pane", "aichat", "aichat:clearHistory", (waveEvent) => {
+            inputModel.clearAIAssistantChat();
+            return true;
+        });
+        keybindManager.registerKeybinding("pane", "aichat", "generic:selectAbove", (waveEvent) => {
+            return AIChatObject.onArrowUpPressed();
+        });
+        keybindManager.registerKeybinding("pane", "aichat", "generic:selectBelow", (waveEvent) => {
+            return AIChatObject.onArrowDownPressed();
+        });
+    }
+
+    componentWillUnmount(): void {
+        GlobalModel.keybindManager.unregisterDomain("aichat");
+    }
+
+    render() {
+        return null;
+    }
+}
+
+@mobxReact.observer
+class ChatContent extends React.Component<{}, {}> {
+    chatListKeyCount: number = 0;
+    containerRef: React.RefObject<OverlayScrollbarsComponentRef> = React.createRef();
+    chatWindowRef: React.RefObject<HTMLDivElement> = React.createRef();
+    osInstance: OverlayScrollbars = null;
+
+    componentDidUpdate() {
+        this.chatListKeyCount = 0;
+        if (this.containerRef?.current && this.osInstance) {
+            const { viewport } = this.osInstance.elements();
+            viewport.scrollTo({
+                behavior: "auto",
+                top: this.chatWindowRef.current.scrollHeight,
+            });
+        }
+    }
+
+    componentWillUnmount() {
+        if (this.osInstance) {
+            this.osInstance.destroy();
+            this.osInstance = null;
+        }
+    }
+
+    @boundMethod
+    onScrollbarInitialized(instance) {
+        this.osInstance = instance;
+        const { viewport } = instance.elements();
+        viewport.scrollTo({
+            behavior: "auto",
+            top: this.chatWindowRef.current.scrollHeight,
+        });
+    }
+
+    renderError(err: string): any {
+        return <div className="chat-msg-error">{err}</div>;
+    }
+
+    renderChatMessage(chatItem: OpenAICmdInfoChatMessageType): any {
+        const curKey = "chatmsg-" + this.chatListKeyCount;
+        this.chatListKeyCount++;
+        const senderClassName = chatItem.isassistantresponse ? "chat-msg-assistant" : "chat-msg-user";
+        const msgClassName = `chat-msg ${senderClassName}`;
+
+        let innerHTML: React.JSX.Element = (
+            <>
+                <div className="chat-msg-header">
+                    <i className="fa-sharp fa-solid fa-user"></i>
+                </div>
+                <div className="msg-text">{chatItem.userquery}</div>
+            </>
+        );
+        if (chatItem.isassistantresponse) {
+            if (chatItem.assistantresponse.error != null && chatItem.assistantresponse.error !== "") {
+                innerHTML = this.renderError(chatItem.assistantresponse.error);
+            } else {
+                innerHTML = (
+                    <>
+                        <div className="chat-msg-header">
+                            <i className="fa-sharp fa-solid fa-sparkles"></i>
+                        </div>
+                        <Markdown text={chatItem.assistantresponse.message} codeSelect />
+                    </>
+                );
+            }
+        }
+
+        const cssVar = GlobalModel.isDev ? "--app-panel-bg-color-dev" : "--app-panel-bg-color";
+        const panelBgColor = getComputedStyle(document.documentElement).getPropertyValue(cssVar).trim();
+        const color = tinycolor(panelBgColor);
+        const newColor = color.isValid() ? tinycolor(panelBgColor).darken(6).toString() : "none";
+        const backgroundColor = this.chatListKeyCount % 2 === 0 ? "none" : newColor;
+
+        return (
+            <div className={msgClassName} key={curKey} style={{ backgroundColor }}>
+                {innerHTML}
+            </div>
+        );
+    }
+
+    render() {
+        const chatMessageItems = GlobalModel.inputModel.AICmdInfoChatItems.slice();
+        const chitem: OpenAICmdInfoChatMessageType = null;
+        return (
+            <OverlayScrollbarsComponent
+                ref={this.containerRef}
+                className="content"
+                options={{ scrollbars: { autoHide: "leave" } }}
+                events={{ initialized: this.onScrollbarInitialized }}
+            >
+                <div ref={this.chatWindowRef} className="chat-window">
+                    <div className="filler"></div>
+                    <For each="chitem" index="idx" of={chatMessageItems}>
+                        {this.renderChatMessage(chitem)}
+                    </For>
+                </div>
+            </OverlayScrollbarsComponent>
+        );
+    }
+}
+
+@mobxReact.observer
+class AIChat extends React.Component<{}, {}> {
+    textAreaRef: React.RefObject<HTMLTextAreaElement> = React.createRef();
+    termFontSize: number = 14;
+
+    constructor(props) {
+        super(props);
+        mobx.makeObservable(this);
+    }
+
+    componentDidMount() {
+        const inputModel = GlobalModel.inputModel;
+        if (this.textAreaRef.current != null) {
+            this.textAreaRef.current.focus();
+            // inputModel.setCmdInfoChatRefs(this.textAreaRef, this.chatWindowScrollRef);
+        }
+        this.requestChatUpdate();
+        this.onTextAreaChange(null);
+    }
+
+    requestChatUpdate() {
+        const chatMessageItems = GlobalModel.inputModel.AICmdInfoChatItems.slice();
+        if (chatMessageItems == null || chatMessageItems.length == 0) {
+            this.submitChatMessage("");
+        }
+    }
+
+    submitChatMessage(messageStr: string) {
+        const curLine = GlobalModel.inputModel.curLine;
+        const prtn = GlobalModel.submitChatInfoCommand(messageStr, curLine, false);
+        prtn.then((rtn) => {
+            if (!rtn.success) {
+                console.log("submit chat command error: " + rtn.error);
+            }
+        }).catch((_) => {});
+    }
+
+    getLinePos(elem: any): { numLines: number; linePos: number } {
+        const numLines = elem.value.split("\n").length;
+        const linePos = elem.value.substr(0, elem.selectionStart).split("\n").length;
+        return { numLines, linePos };
+    }
+
+    @mobx.action.bound
+    onTextAreaFocused(e: any) {
+        GlobalModel.inputModel.setAuxViewFocus(true);
+        this.onTextAreaChange(e);
+    }
+
+    @mobx.action.bound
+    onTextAreaBlur(e: any) {
+        mobx.action(() => {
+            GlobalModel.inputModel.setAuxViewFocus(false);
+        })();
+    }
+
+    // Adjust the height of the textarea to fit the text
+    @boundMethod
+    onTextAreaChange(e: any) {
+        // Calculate the bounding height of the text area
+        const textAreaMaxLines = 4;
+        const textAreaLineHeight = this.termFontSize * 1.5;
+        const textAreaMinHeight = textAreaLineHeight;
+        const textAreaMaxHeight = textAreaLineHeight * textAreaMaxLines;
+
+        // Get the height of the wrapped text area content. Courtesy of https://stackoverflow.com/questions/995168/textarea-to-resize-based-on-content-length
+        this.textAreaRef.current.style.height = "1px";
+        const scrollHeight: number = this.textAreaRef.current.scrollHeight;
+
+        // Set the new height of the text area, bounded by the min and max height.
+        const newHeight = Math.min(Math.max(scrollHeight, textAreaMinHeight), textAreaMaxHeight);
+        this.textAreaRef.current.style.height = newHeight + "px";
+        GlobalModel.inputModel.codeSelectDeselectAll();
+    }
+
+    onEnterKeyPressed() {
+        const inputModel = GlobalModel.inputModel;
+        const currentRef = this.textAreaRef.current;
+        if (currentRef == null) {
+            return;
+        }
+        if (inputModel.getCodeSelectSelectedIndex() == -1) {
+            const messageStr = currentRef.value;
+            this.submitChatMessage(messageStr);
+            currentRef.value = "";
+        } else {
+            mobx.action(() => {
+                inputModel.grabCodeSelectSelection();
+                inputModel.setAuxViewFocus(false);
+            })();
+        }
+    }
+
+    onExpandInputPressed() {
+        const currentRef = this.textAreaRef.current;
+        if (currentRef == null) {
+            return;
+        }
+        currentRef.setRangeText("\n", currentRef.selectionStart, currentRef.selectionEnd, "end");
+        GlobalModel.inputModel.codeSelectDeselectAll();
+    }
+
+    onArrowUpPressed(): boolean {
+        const currentRef = this.textAreaRef.current;
+        if (currentRef == null) {
+            return false;
+        }
+        if (this.getLinePos(currentRef).linePos > 1) {
+            // normal up arrow
+            GlobalModel.inputModel.codeSelectDeselectAll();
+            return false;
+        }
+        GlobalModel.inputModel.codeSelectSelectNextOldestCodeBlock();
+        return true;
+    }
+
+    onArrowDownPressed(): boolean {
+        const currentRef = this.textAreaRef.current;
+        const inputModel = GlobalModel.inputModel;
+        if (currentRef == null) {
+            return false;
+        }
+        if (inputModel.getCodeSelectSelectedIndex() == inputModel.codeSelectBottom) {
+            GlobalModel.inputModel.codeSelectDeselectAll();
+            return false;
+        }
+        inputModel.codeSelectSelectNextNewestCodeBlock();
+        return true;
+    }
+
+    @mobx.action
+    @boundMethod
+    onKeyDown(e: any) {}
+
+    renderError(err: string): any {
+        return <div className="chat-msg-error">{err}</div>;
+    }
+
+    render() {
+        const chatMessageItems = GlobalModel.inputModel.AICmdInfoChatItems.slice();
+        return (
+            <div className="sidebar-aichat">
+                <AIChatKeybindings AIChatObject={this}></AIChatKeybindings>
+                <div className="titlebar">
+                    <div className="title-string">Wave AI</div>
+                </div>
+                <If condition={chatMessageItems.length > 0}>
+                    <ChatContent />
+                </If>
+                <div className="chat-input">
+                    <textarea
+                        key="main"
+                        ref={this.textAreaRef}
+                        autoComplete="off"
+                        autoCorrect="off"
+                        autoFocus={true}
+                        id="chat-cmd-input"
+                        onChange={this.onTextAreaChange}
+                        onKeyDown={this.onKeyDown}
+                        style={{ fontSize: this.termFontSize }}
+                        className="chat-textarea"
+                        placeholder="Send a Message..."
+                    ></textarea>
+                </div>
+            </div>
+        );
+    }
+}
+
+export { AIChat };

src/app/sidebar/right.less

@@ -13,58 +13,64 @@
     font-weight: var(--sidebar-font-weight);
     border-left: 1px solid var(--app-border-color);
 
-    .header {
-        height: 39px;
+    .sidebar-content {
         display: flex;
-        align-items: center;
-        justify-content: flex-end;
-        padding: 0 5px;
-        border-bottom: 1px solid var(--app-border-color);
-    }
-
-    .rsb-modes {
-        display: flex;
-        flex-direction: row;
-        padding: 5px 10px;
-        gap: 5px;
-        border-bottom: 1px solid var(--app-border-color);
-
-        .icon-container {
-            padding: 2px;
-            cursor: pointer;
-        }
-
-        .icon-container:hover {
-            background-color: var(--app-selected-mask-color);
-        }
-    }
-
-    &.collapsed {
-        display: none;
-    }
-
-    .keybind-debug-pane {
-        padding: 10px;
+        flex-direction: column;
+        height: 100%;
         overflow: hidden;
-        width: 100%;
 
-        .keybind-pane-title {
-            font-size: 18px;
-            font-weight: bold;
-            padding-bottom: 5px;
+        .header {
+            height: 39px;
+            display: flex;
+            align-items: center;
+            justify-content: space-between;
+            padding: 0 5px;
+            border-bottom: 1px solid var(--app-border-color);
         }
 
-        .keybind-level {
-            margin-top: 10px;
-            font-weight: bold;
-            font-size: 16px;
+        .rsb-modes {
+            display: flex;
+            flex-direction: row;
+            padding: 5px 10px;
+            gap: 5px;
+
+            .icon-container {
+                padding: 2px;
+                cursor: pointer;
+            }
+
+            .icon-container:hover {
+                background-color: var(--app-selected-mask-color);
+            }
         }
 
-        .keybind-domain {
-            font-size: 14px;
-            margin-left: 20px;
-            white-space: nowrap;
+        &.collapsed {
+            display: none;
+        }
+
+        .keybind-debug-pane {
+            padding: 10px;
             overflow: hidden;
+            width: 100%;
+
+            .keybind-pane-title {
+                font-size: 18px;
+                font-weight: bold;
+                padding-bottom: 5px;
+            }
+
+            .keybind-level {
+                margin-top: 10px;
+                font-weight: bold;
+                font-size: 16px;
+            }
+
+            .keybind-domain {
+                font-size: 14px;
+                margin-left: 20px;
+                white-space: nowrap;
+                overflow: hidden;
+            }
         }
     }
 }

src/app/sidebar/right.tsx

@@ -11,6 +11,7 @@ import localizedFormat from "dayjs/plugin/localizedFormat";
 import { GlobalModel } from "@/models";
 import { ResizableSidebar, Button } from "@/elements";
 import { WaveBookDisplay } from "./wavebook";
+import { AIChat } from "./aichat";
 
 import "./right.less";
 
@@ -77,35 +78,45 @@ class RightSideBar extends React.Component<RightSideBarProps, {}> {
                 {(toggleCollapse) => (
                     <React.Fragment>
                         <div className="header">
+                            <div className="rsb-modes">
+                                <div
+                                    className="icon-container"
+                                    title="Show Keybinding Debugger"
+                                    onClick={() => this.setMode("ai")}
+                                >
+                                    <i className="fa-sharp fa-regular fa-sparkles fa-fw" />
+                                </div>
+                                <div className="flex-spacer" />
+                                <If condition={GlobalModel.isDev}>
+                                    <div
+                                        className="icon-container"
+                                        title="Show Keybinding Debugger"
+                                        onClick={() => this.setMode("keybind")}
+                                    >
+                                        <i className="fa-fw fa-sharp fa-keyboard fa-solid" />
+                                    </div>
+                                </If>
+                                <div
+                                    className="icon-container"
+                                    title="Show Keybinding Debugger"
+                                    onClick={() => this.setMode("wavebook")}
+                                >
+                                    <i className="fa-sharp fa-solid fa-book-sparkles"></i>
+                                </div>
+                            </div>
                             <Button className="secondary ghost" onClick={toggleCollapse}>
                                 <i className="fa-sharp fa-regular fa-xmark"></i>
                             </Button>
                         </div>
-                        <div className="rsb-modes">
-                            <div className="flex-spacer" />
-                            <If condition={GlobalModel.isDev}>
-                                <div
-                                    className="icon-container"
-                                    title="Show Keybinding Debugger"
-                                    onClick={() => this.setMode("keybind")}
-                                >
-                                    <i className="fa-fw fa-sharp fa-keyboard fa-solid" />
-                                </div>
-                            </If>
-                            <div
-                                className="icon-container"
-                                title="Show Keybinding Debugger"
-                                onClick={() => this.setMode("wavebook")}
-                            >
-                                <i className="fa-sharp fa-solid fa-book-sparkles"></i>
-                            </div>
-                        </div>
-                        <If condition={this.mode.get() == "keybind"}>
+                        {/* <If condition={this.mode.get() == "keybind"}>
                             <KeybindDevPane></KeybindDevPane>
-                        </If>
+                        </If> */}
                         <If condition={this.mode.get() == "wavebook"}>
                             <WaveBookDisplay></WaveBookDisplay>
                         </If>
+                        <If condition={this.mode.get() == "ai"}>
+                            <AIChat />
+                        </If>
                     </React.Fragment>
                 )}
             </ResizableSidebar>

src/app/workspace/cmdinput/auxview.tsx

@@ -10,7 +10,7 @@ import "./auxview.less";
 import { OverlayScrollbarsComponent } from "overlayscrollbars-react";
 
 interface AuxiliaryCmdViewProps {
-    title: string;
+    title?: string;
     className?: string;
     iconClass?: string;
     titleBarContents?: React.ReactElement[];

src/app2/app.tsx

@@ -1,5 +0,0 @@
-import { FC } from "react";
-
-export const App: FC = () => {
-    return <div className="container">Hello World!</div>;
-};

src/electron/emain.ts

@@ -34,9 +34,6 @@ let wasActive = true;
 let wasInFg = true;
 let currentGlobalShortcut: string | null = null;
 let initialClientData: ClientDataType = null;
-let windows: Windows = {};
-
-interface Windows extends Record<string, Electron.BrowserWindow> {}
 
 checkPromptMigrate();
 ensureDir(waveHome);
@@ -325,10 +322,7 @@ function shFrameNavHandler(event: Electron.Event<Electron.WebContentsWillFrameNa
     console.log("frame navigation canceled");
 }
 
-function createWindow(id: string, clientData: ClientDataType | null): Electron.BrowserWindow {
-    if (windows[id]) {
-        console.error(`createWindow called for existing window ${id}`);
-    }
+function createWindow(clientData: ClientDataType | null): Electron.BrowserWindow {
     const bounds = calcBounds(clientData);
     setKeyUtilPlatform(platform());
     const win = new electron.BrowserWindow({
@@ -376,18 +370,9 @@ function createWindow(id: string, clientData: ClientDataType | null): Electron.B
         wasInFg = true;
         wasActive = true;
     });
-    win.on("close", () => {
-        delete windows[id];
-    });
     win.webContents.on("zoom-changed", (e) => {
         win.webContents.send("zoom-changed");
     });
-    windows[id] = win;
-    return win;
-}
-
-function createMainWindow(clientData: ClientDataType | null) {
-    const win = createWindow("main", clientData);
     win.webContents.setWindowOpenHandler(({ url, frameName }) => {
         if (url.startsWith("https://docs.waveterm.dev/")) {
             console.log("openExternal docs", url);
@@ -408,6 +393,7 @@ function createMainWindow(clientData: ClientDataType | null) {
         console.log("window-open denied", url);
         return { action: "deny" };
     });
+    return win;
 }
 
 function mainResizeHandler(_: any, win: Electron.BrowserWindow) {
@@ -673,13 +659,13 @@ async function getClientData(willRetry: boolean, retryNum: number): Promise<Clie
 }
 
 function sendWSSC() {
-    if (windows["main"] != null) {
+    electron.BrowserWindow.getAllWindows().forEach((win) => {
         if (waveSrvProc == null) {
-            windows["main"].webContents.send("wavesrv-status-change", false);
-            return;
+            win.webContents.send("wavesrv-status-change", false);
+        } else {
+            win.webContents.send("wavesrv-status-change", true, waveSrvProc.pid);
         }
-        windows["main"].webContents.send("wavesrv-status-change", true, waveSrvProc.pid);
-    }
+    });
 }
 
 function runWaveSrv() {
@@ -747,7 +733,7 @@ electron.ipcMain.on("context-editmenu", (_, { x, y }, opts) => {
     menu.popup({ x, y });
 });
 
-async function createMainWindowWrap() {
+async function createWindowWrap() {
     let clientData: ClientDataType | null = null;
     try {
         clientData = await getClientDataPoll(1);
@@ -755,9 +741,9 @@ async function createMainWindowWrap() {
     } catch (e) {
         console.log("error getting wavesrv clientdata", e.toString());
     }
-    createMainWindow(clientData);
+    const win = createWindow(clientData);
     if (clientData?.winsize.fullscreen) {
-        windows["main"].setFullScreen(true);
+        win.setFullScreen(true);
     }
     configureAutoUpdaterStartup(clientData);
 }
@@ -776,7 +762,7 @@ function logActiveState() {
             console.log("error logging active state", err);
         });
     // for next iteration
-    wasInFg = windows["main"]?.isFocused();
+    wasInFg = electron.BrowserWindow.getFocusedWindow()?.isFocused() ?? false;
     wasActive = false;
 }
 
@@ -802,9 +788,13 @@ function reregisterGlobalShortcut(shortcut: string) {
         currentGlobalShortcut = null;
         return;
     }
-    const ok = electron.globalShortcut.register(shortcut, () => {
+    const ok = electron.globalShortcut.register(shortcut, async () => {
         console.log("global shortcut triggered, showing window");
-        windows["main"]?.show();
+        if (electron.BrowserWindow.getAllWindows().length == 0) {
+            await createWindowWrap();
+        }
+        const winToShow = electron.BrowserWindow.getFocusedWindow() ?? electron.BrowserWindow.getAllWindows()[0];
+        winToShow?.show();
     });
     console.log("registered global shortcut", shortcut, ok ? "ok" : "failed");
     if (!ok) {
@@ -829,9 +819,9 @@ let lastUpdateCheck: Date = null;
  */
 function setAppUpdateStatus(status: string) {
     appUpdateStatus = status;
-    if (windows["main"] != null) {
-        windows["main"].webContents.send("app-update-status", appUpdateStatus);
-    }
+    electron.BrowserWindow.getAllWindows().forEach((window) => {
+        window.webContents.send("app-update-status", appUpdateStatus);
+    });
 }
 
 /**
@@ -915,9 +905,14 @@ async function installAppUpdate() {
         detail: "A new version has been downloaded. Restart the application to apply the updates.",
     };
 
-    await electron.dialog.showMessageBox(windows["main"], dialogOpts).then(({ response }) => {
-        if (response === 0) autoUpdater.quitAndInstall();
-    });
+    const allWindows = electron.BrowserWindow.getAllWindows();
+    if (allWindows.length > 0) {
+        await electron.dialog
+            .showMessageBox(electron.BrowserWindow.getFocusedWindow() ?? allWindows[0], dialogOpts)
+            .then(({ response }) => {
+                if (response === 0) autoUpdater.quitAndInstall();
+            });
+    }
 }
 
 electron.ipcMain.on("install-app-update", () => fireAndForget(() => installAppUpdate()));
@@ -989,10 +984,11 @@ function configureAutoUpdater(enabled: boolean) {
     }
     setTimeout(runActiveTimer, 5000); // start active timer, wait 5s just to be safe
     await app.whenReady();
-    await createMainWindowWrap();
+    await createWindowWrap();
+
     app.on("activate", () => {
         if (electron.BrowserWindow.getAllWindows().length === 0) {
-            createMainWindowWrap().then();
+            createWindowWrap().then();
         }
         checkForUpdates();
     });

wavesrv/cmd/main-server.go

@@ -1128,6 +1128,11 @@ func main() {
 		log.Printf("[error] migrate up: %v\n", err)
 		return
 	}
+	// err = blockstore.MigrateBlockstore()
+	// if err != nil {
+	// 	log.Printf("[error] migrate blockstore: %v\n", err)
+	// 	return
+	// }
 	clientData, err := sstore.EnsureClientData(context.Background())
 	if err != nil {
 		log.Printf("[error] ensuring client data: %v\n", err)

wavesrv/db/blockstore-migrations/000001_init.down.sql

@@ -0,0 +1 @@
+-- nothing

wavesrv/db/blockstore-migrations/000001_init.up.sql

@@ -0,0 +1,19 @@
+CREATE TABLE block_file (
+    blockid varchar(36) NOT NULL,
+    name varchar(200) NOT NULL,
+    maxsize bigint NOT NULL,
+    circular boolean NOT NULL,
+    size bigint NOT NULL,
+    createdts bigint NOT NULL,
+    modts bigint NOT NULL,
+    meta json NOT NULL,
+    PRIMARY KEY (blockid, name)
+);
+
+CREATE TABLE block_data (
+    blockid varchar(36) NOT NULL,
+    name varchar(200) NOT NULL,
+    partidx int NOT NULL,
+    data blob NOT NULL,
+    PRIMARY KEY(blockid, name, partidx)
+);

wavesrv/db/db.go

@@ -10,3 +10,6 @@ import "embed"
 
 //go:embed migrations/*.sql
 var MigrationFS embed.FS
+
+//go:embed blockstore-migrations/*.sql
+var BlockstoreMigrationFS embed.FS

wavesrv/go.mod

@@ -5,7 +5,6 @@ go 1.22
 toolchain go1.22.0
 
 require (
-	github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9
 	github.com/alessio/shellescape v1.4.1
 	github.com/armon/circbuf v0.0.0-20190214190532-5111143e8da2
 	github.com/creack/pty v1.1.18

wavesrv/go.sum

@@ -1,5 +1,3 @@
-github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9 h1:ez/4by2iGztzR4L0zgAOR8lTQK9VlyBVVd7G4omaOQs=
-github.com/alecthomas/units v0.0.0-20231202071711-9a357b53e9c9/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
 github.com/alessio/shellescape v1.4.1 h1:V7yhSDDn8LP4lc4jS8pFkt0zCnzVJlG5JXy9BVKJUX0=
 github.com/alessio/shellescape v1.4.1/go.mod h1:PZAiSCk0LJaZkiCSkPv8qIobYglO3FPpyFjDCtHLS30=
 github.com/armon/circbuf v0.0.0-20190214190532-5111143e8da2 h1:7Ip0wMmLHLRJdrloDxZfhMm0xrLXZS8+COSu2bXmEQs=
@@ -57,7 +55,6 @@ github.com/sawka/txwrap v0.1.2 h1:v8xS0Z1LE7/6vMZA81PYihI+0TSR6Zm1MalzzBIuXKc=
 github.com/sawka/txwrap v0.1.2/go.mod h1:T3nlw2gVpuolo6/XEetvBbk1oMXnY978YmBFy1UyHvw=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/wavetermdev/ssh_config v0.0.0-20240306041034-17e2087ebde2 h1:onqZrJVap1sm15AiIGTfWzdr6cEF0KdtddeuuOVhzyY=
@@ -74,8 +71,6 @@ golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.15.0 h1:y/Oo/a/q3IXu26lQgl04j/gjuBDOBlx7X6Om1j2CPW4=
 golang.org/x/term v0.15.0/go.mod h1:BDl952bC7+uMoWR75FIrCDx79TPU9oHkTZ9yRbYOrX0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 mvdan.cc/sh/v3 v3.7.0 h1:lSTjdP/1xsddtaKfGg7Myu7DnlHItd3/M2tomOcNNBg=

wavesrv/pkg/blockstore/blockstore.go

@@ -10,8 +10,6 @@ import (
 	"strings"
 	"sync"
 	"time"
-
-	"github.com/alecthomas/units"
 )
 
 type FileOptsType struct {
@@ -32,7 +30,11 @@ type FileInfo struct {
 	Meta      FileMeta
 }
 
-const MaxBlockSize = int64(128 * units.Kilobyte)
+const UnitsKB = 1024 * 1024
+const UnitsMB = 1024 * UnitsKB
+const UnitsGB = 1024 * UnitsMB
+
+const MaxBlockSize = int64(128 * UnitsKB)
 const DefaultFlushTimeout = 1 * time.Second
 
 type CacheEntry struct {
@@ -79,16 +81,23 @@ type BlockStore interface {
 	GetAllBlockIds(ctx context.Context) []string
 }
 
-var cache map[string]*CacheEntry = make(map[string]*CacheEntry)
+var blockstoreCache map[string]*CacheEntry = make(map[string]*CacheEntry)
 var globalLock *sync.Mutex = &sync.Mutex{}
 var appendLock *sync.Mutex = &sync.Mutex{}
 var flushTimeout = DefaultFlushTimeout
 var lastWriteTime time.Time
 
+// for testing
+func clearCache() {
+	globalLock.Lock()
+	defer globalLock.Unlock()
+	blockstoreCache = make(map[string]*CacheEntry)
+}
+
 func InsertFileIntoDB(ctx context.Context, fileInfo FileInfo) error {
 	metaJson, err := json.Marshal(fileInfo.Meta)
 	if err != nil {
-		return fmt.Errorf("Error writing file %s to db: %v", fileInfo.Name, err)
+		return fmt.Errorf("error writing file %s to db: %v", fileInfo.Name, err)
 	}
 	txErr := WithTx(ctx, func(tx *TxWrap) error {
 		query := `INSERT INTO block_file VALUES (?, ?, ?, ?, ?, ?, ?, ?)`
@@ -96,7 +105,7 @@ func InsertFileIntoDB(ctx context.Context, fileInfo FileInfo) error {
 		return nil
 	})
 	if txErr != nil {
-		return fmt.Errorf("Error writing file %s to db: %v", fileInfo.Name, txErr)
+		return fmt.Errorf("error writing file %s to db: %v", fileInfo.Name, txErr)
 	}
 	return nil
 }
@@ -104,7 +113,7 @@ func InsertFileIntoDB(ctx context.Context, fileInfo FileInfo) error {
 func WriteFileToDB(ctx context.Context, fileInfo FileInfo) error {
 	metaJson, err := json.Marshal(fileInfo.Meta)
 	if err != nil {
-		return fmt.Errorf("Error writing file %s to db: %v", fileInfo.Name, err)
+		return fmt.Errorf("error writing file %s to db: %v", fileInfo.Name, err)
 	}
 	txErr := WithTx(ctx, func(tx *TxWrap) error {
 		query := `UPDATE block_file SET blockid = ?, name = ?, maxsize = ?, circular = ?, size = ?, createdts = ?, modts = ?, meta = ? where blockid = ? and name = ?`
@@ -112,7 +121,7 @@ func WriteFileToDB(ctx context.Context, fileInfo FileInfo) error {
 		return nil
 	})
 	if txErr != nil {
-		return fmt.Errorf("Error writing file %s to db: %v", fileInfo.Name, txErr)
+		return fmt.Errorf("error writing file %s to db: %v", fileInfo.Name, txErr)
 	}
 	return nil
 
@@ -125,7 +134,7 @@ func WriteDataBlockToDB(ctx context.Context, blockId string, name string, index
 		return nil
 	})
 	if txErr != nil {
-		return fmt.Errorf("Error writing data block to db: %v", txErr)
+		return fmt.Errorf("error writing data block to db: %v", txErr)
 	}
 	return nil
 }
@@ -152,7 +161,7 @@ func WriteToCacheBlockNum(ctx context.Context, blockId string, name string, p []
 	defer cacheEntry.Lock.Unlock()
 	block, err := GetCacheBlock(ctx, blockId, name, cacheNum, pullFromDB)
 	if err != nil {
-		return 0, 0, fmt.Errorf("Error getting cache block: %v", err)
+		return 0, 0, fmt.Errorf("error getting cache block: %v", err)
 	}
 	var bytesWritten = 0
 	blockLen := len(block.data)
@@ -192,7 +201,7 @@ func ReadFromCacheBlock(ctx context.Context, blockId string, name string, block
 		}
 	}()
 	if pos > len(block.data) {
-		return 0, fmt.Errorf("Reading past end of cache block, should never happen")
+		return 0, fmt.Errorf("reading past end of cache block, should never happen")
 	}
 	bytesWritten := 0
 	index := pos
@@ -216,7 +225,7 @@ func ReadFromCacheBlock(ctx context.Context, blockId string, name string, block
 	return bytesWritten, nil
 }
 
-const MaxSizeError = "Hit Max Size"
+const MaxSizeError = "MaxSizeError"
 
 func WriteToCacheBuf(buf *[]byte, p []byte, pos int, length int, maxWrite int64) (int, error) {
 	bytesToWrite := length
@@ -260,7 +269,7 @@ func GetValuesFromCacheId(cacheId string) (blockId string, name string) {
 func GetCacheEntry(ctx context.Context, blockId string, name string) (*CacheEntry, bool) {
 	globalLock.Lock()
 	defer globalLock.Unlock()
-	if curCacheEntry, found := cache[GetCacheId(blockId, name)]; found {
+	if curCacheEntry, found := blockstoreCache[GetCacheId(blockId, name)]; found {
 		return curCacheEntry, true
 	} else {
 		return nil, false
@@ -279,7 +288,7 @@ func GetCacheEntryOrPopulate(ctx context.Context, blockId string, name string) (
 		if cacheEntry, found := GetCacheEntry(ctx, blockId, name); found {
 			return cacheEntry, nil
 		} else {
-			return nil, fmt.Errorf("Error getting cache entry %v %v", blockId, name)
+			return nil, fmt.Errorf("error getting cache entry %v %v", blockId, name)
 		}
 	}
 
@@ -288,16 +297,16 @@ func GetCacheEntryOrPopulate(ctx context.Context, blockId string, name string) (
 func SetCacheEntry(ctx context.Context, cacheId string, cacheEntry *CacheEntry) {
 	globalLock.Lock()
 	defer globalLock.Unlock()
-	if _, found := cache[cacheId]; found {
+	if _, found := blockstoreCache[cacheId]; found {
 		return
 	}
-	cache[cacheId] = cacheEntry
+	blockstoreCache[cacheId] = cacheEntry
 }
 
 func DeleteCacheEntry(ctx context.Context, blockId string, name string) {
 	globalLock.Lock()
 	defer globalLock.Unlock()
-	delete(cache, GetCacheId(blockId, name))
+	delete(blockstoreCache, GetCacheId(blockId, name))
 }
 
 func GetCacheBlock(ctx context.Context, blockId string, name string, cacheNum int, pullFromDB bool) (*CacheBlock, error) {
@@ -392,7 +401,7 @@ func WriteAtHelper(ctx context.Context, blockId string, name string, p []byte, o
 	}
 	fInfo, err := Stat(ctx, blockId, name)
 	if err != nil {
-		return 0, fmt.Errorf("Write At err: %v", err)
+		return 0, fmt.Errorf("WriteAt err: %v", err)
 	}
 	if off > fInfo.Opts.MaxSize && fInfo.Opts.Circular {
 		numOver := off / fInfo.Opts.MaxSize
@@ -416,12 +425,12 @@ func WriteAtHelper(ctx context.Context, blockId string, name string, p []byte, o
 					b, err := WriteAtHelper(ctx, blockId, name, p, 0, false)
 					bytesWritten += b
 					if err != nil {
-						return bytesWritten, fmt.Errorf("Write to cache error: %v", err)
+						return bytesWritten, fmt.Errorf("write to cache error: %v", err)
 					}
 					break
 				}
 			} else {
-				return bytesWritten, fmt.Errorf("Write to cache error: %v", err)
+				return bytesWritten, fmt.Errorf("write to cache error: %v", err)
 			}
 		}
 		if len(p) == b {
@@ -452,7 +461,7 @@ func GetAllBlockSizes(dataBlocks []*CacheBlock) (int, int) {
 }
 
 func FlushCache(ctx context.Context) error {
-	for _, cacheEntry := range cache {
+	for _, cacheEntry := range blockstoreCache {
 		err := WriteFileToDB(ctx, *cacheEntry.Info)
 		if err != nil {
 			return err
@@ -485,14 +494,14 @@ func ReadAt(ctx context.Context, blockId string, name string, p *[]byte, off int
 	bytesRead := 0
 	fInfo, err := Stat(ctx, blockId, name)
 	if err != nil {
-		return 0, fmt.Errorf("Read At err: %v", err)
+		return 0, fmt.Errorf("ReadAt err: %v", err)
 	}
 	if off > fInfo.Opts.MaxSize && fInfo.Opts.Circular {
 		numOver := off / fInfo.Opts.MaxSize
 		off = off - (numOver * fInfo.Opts.MaxSize)
 	}
 	if off > fInfo.Size {
-		return 0, fmt.Errorf("Read At error: tried to read past the end of the file")
+		return 0, fmt.Errorf("ReadAt error: tried to read past the end of the file")
 	}
 	endReadPos := math.Min(float64(int64(len(*p))+off), float64(fInfo.Size))
 	bytesToRead := int64(endReadPos) - off
@@ -505,7 +514,7 @@ func ReadAt(ctx context.Context, blockId string, name string, p *[]byte, off int
 	for index := curCacheNum; index < curCacheNum+numCaches; index++ {
 		curCacheBlock, err := GetCacheBlock(ctx, blockId, name, index, true)
 		if err != nil {
-			return bytesRead, fmt.Errorf("Error getting cache block: %v", err)
+			return bytesRead, fmt.Errorf("error getting cache block: %v", err)
 		}
 		cacheOffset := off - (int64(index) * MaxBlockSize)
 		if cacheOffset < 0 {
@@ -540,7 +549,7 @@ func ReadAt(ctx context.Context, blockId string, name string, p *[]byte, off int
 					break
 				}
 			} else {
-				return bytesRead, fmt.Errorf("Read from cache error: %v", err)
+				return bytesRead, fmt.Errorf("read from cache error: %v", err)
 			}
 		}
 	}
@@ -552,7 +561,7 @@ func AppendData(ctx context.Context, blockId string, name string, p []byte) (int
 	defer appendLock.Unlock()
 	fInfo, err := Stat(ctx, blockId, name)
 	if err != nil {
-		return 0, fmt.Errorf("Append stat error: %v", err)
+		return 0, fmt.Errorf("append stat error: %v", err)
 	}
 	return WriteAt(ctx, blockId, name, p, fInfo.Size)
 }
@@ -564,12 +573,12 @@ func DeleteFile(ctx context.Context, blockId string, name string) error {
 }
 
 func DeleteBlock(ctx context.Context, blockId string) error {
-	for cacheId, _ := range cache {
+	for cacheId := range blockstoreCache {
 		curBlockId, name := GetValuesFromCacheId(cacheId)
 		if curBlockId == blockId {
 			err := DeleteFile(ctx, blockId, name)
 			if err != nil {
-				return fmt.Errorf("Error deleting %v %v: %v", blockId, name, err)
+				return fmt.Errorf("error deleting %v %v: %v", blockId, name, err)
 			}
 		}
 	}

wavesrv/pkg/blockstore/blockstore_dbops.go

@@ -8,11 +8,16 @@ import (
 	"path"
 	"sync"
 
+	"github.com/golang-migrate/migrate/v4"
+	_ "github.com/golang-migrate/migrate/v4/database/sqlite3"
+	"github.com/golang-migrate/migrate/v4/source/iofs"
 	"github.com/jmoiron/sqlx"
 	_ "github.com/mattn/go-sqlite3"
 	"github.com/sawka/txwrap"
 	"github.com/wavetermdev/waveterm/wavesrv/pkg/dbutil"
 	"github.com/wavetermdev/waveterm/wavesrv/pkg/scbase"
+
+	dbfs "github.com/wavetermdev/waveterm/wavesrv/db"
 )
 
 const DBFileName = "blockstore.db"
@@ -21,12 +26,64 @@ type SingleConnDBGetter struct {
 	SingleConnLock *sync.Mutex
 }
 
-var dbWrap *SingleConnDBGetter
+var dbWrap *SingleConnDBGetter = &SingleConnDBGetter{SingleConnLock: &sync.Mutex{}}
 
 type TxWrap = txwrap.TxWrap
 
-func InitDBState() {
-	dbWrap = &SingleConnDBGetter{SingleConnLock: &sync.Mutex{}}
+func MakeBlockstoreMigrate() (*migrate.Migrate, error) {
+	fsVar, err := iofs.New(dbfs.BlockstoreMigrationFS, "blockstore-migrations")
+	if err != nil {
+		return nil, fmt.Errorf("opening iofs: %w", err)
+	}
+	dbUrl := fmt.Sprintf("sqlite3://%s", GetDBName())
+	m, err := migrate.NewWithSourceInstance("iofs", fsVar, dbUrl)
+	if err != nil {
+		return nil, fmt.Errorf("making blockstore migration db[%s]: %w", GetDBName(), err)
+	}
+	return m, nil
+}
+
+func MigrateBlockstore() error {
+	log.Printf("migrate blockstore\n")
+	m, err := MakeBlockstoreMigrate()
+	if err != nil {
+		return err
+	}
+	curVersion, dirty, err := GetMigrateVersion(m)
+	if dirty {
+		return fmt.Errorf("cannot migrate up, database is dirty")
+	}
+	if err != nil {
+		return fmt.Errorf("cannot get current migration version: %v", err)
+	}
+	defer m.Close()
+	err = m.Up()
+	if err != nil && err != migrate.ErrNoChange {
+		return fmt.Errorf("migrating blockstore: %w", err)
+	}
+	newVersion, _, err := GetMigrateVersion(m)
+	if err != nil {
+		return fmt.Errorf("cannot get new migration version: %v", err)
+	}
+	if newVersion != curVersion {
+		log.Printf("[db] blockstore migration done, version %d -> %d\n", curVersion, newVersion)
+	}
+	return nil
+}
+
+func GetMigrateVersion(m *migrate.Migrate) (uint, bool, error) {
+	if m == nil {
+		var err error
+		m, err = MakeBlockstoreMigrate()
+		if err != nil {
+			return 0, false, err
+		}
+	}
+	curVersion, dirty, err := m.Version()
+	if err == migrate.ErrNilVersion {
+		return 0, false, nil
+	}
+	return curVersion, dirty, err
 }
 
 func (dbg *SingleConnDBGetter) GetDB(ctx context.Context) (*sqlx.DB, error) {
@@ -62,8 +119,12 @@ func WithTxRtn[RT any](ctx context.Context, fn func(tx *TxWrap) (RT, error)) (RT
 var globalDBLock = &sync.Mutex{}
 var globalDB *sqlx.DB
 var globalDBErr error
+var overrideDBName string
 
 func GetDBName() string {
+	if overrideDBName != "" {
+		return overrideDBName
+	}
 	scHome := scbase.GetWaveHomeDir()
 	return path.Join(scHome, DBFileName)
 }