Enable extenders to overwrite default settings

* Harmonizes naming of webview config
* Extracts column ids into constants
* Switches to ... menu for multiple reset options in options menu

Fixes #77

media/options-widget.css

@@ -172,7 +172,7 @@
   margin: 0.5rem 0 0.2rem 0;
 }
 
-.reset-advanced-options-icon {
+.more-actions-overlay-icon {
   position: absolute;
   top: 12px;
   right: 0;
@@ -204,3 +204,9 @@
   color: var(--vscode-button-background);
   margin-left: 0.2em;
 }
+
+.settings-contribution-message {
+  margin-top: 0;
+  margin-bottom: 0.5rem;
+  color: var(--vscode-descriptionForeground);
+}

package.json

@@ -126,6 +126,18 @@
         "title": "Apply Memory from File...",
         "enablement": "memory-inspector.canWrite",
         "category": "Memory"
+      },
+      {
+        "command": "memory-inspector.reset-display-options-to-debugger-defaults",
+        "title": "Reset to Debugger Defaults",
+        "enablement": "optionsMenu && hasDebuggerDefaults",
+        "category": "Memory"
+      },
+      {
+        "command": "memory-inspector.reset-display-options",
+        "title": "Reset to Defaults",
+        "enablement": "optionsMenu",
+        "category": "Memory"
       }
     ],
     "menus": {
@@ -183,37 +195,47 @@
         {
           "command": "memory-inspector.toggle-variables-column",
           "group": "a_display@1",
-          "when": "webviewId === memory-inspector.memory"
+          "when": "webviewId === memory-inspector.memory && !optionsMenu"
         },
         {
           "command": "memory-inspector.toggle-ascii-column",
           "group": "a_display@2",
-          "when": "webviewId === memory-inspector.memory"
+          "when": "webviewId === memory-inspector.memory && !optionsMenu"
         },
         {
           "command": "memory-inspector.toggle-radix-prefix",
           "group": "a_display@3",
-          "when": "webviewId === memory-inspector.memory"
+          "when": "webviewId === memory-inspector.memory && !optionsMenu"
         },
         {
           "command": "memory-inspector.store-file",
           "group": "c_store-and-restore@1",
-          "when": "webviewId === memory-inspector.memory"
+          "when": "webviewId === memory-inspector.memory && !optionsMenu"
         },
         {
           "command": "memory-inspector.apply-file",
           "group": "c_store-and-restore@2",
-          "when": "webviewId === memory-inspector.memory"
+          "when": "webviewId === memory-inspector.memory && !optionsMenu"
         },
         {
           "command": "memory-inspector.show-advanced-display-options",
           "group": "z_more",
-          "when": "webviewId === memory-inspector.memory"
+          "when": "webviewId === memory-inspector.memory && !optionsMenu"
         },
         {
           "command": "memory-inspector.go-to-value",
           "group": "display@7",
-          "when": "webviewId === memory-inspector.memory && memory-inspector.variable.isPointer"
+          "when": "webviewId === memory-inspector.memory && memory-inspector.variable.isPointer && !optionsMenu"
+        },
+        {
+          "command": "memory-inspector.reset-display-options-to-debugger-defaults",
+          "group": "a_reset@1",
+          "when": "webviewId === memory-inspector.memory && optionsMenu && hasDebuggerDefaults"
+        },
+        {
+          "command": "memory-inspector.reset-display-options",
+          "group": "a_reset@2",
+          "when": "webviewId === memory-inspector.memory && optionsMenu"
         }
       ]
     },
@@ -407,6 +429,11 @@
           "type": "boolean",
           "default": true,
           "description": "Display the radix prefix (e.g., '0x' for hexadecimal, '0b' for binary) before memory addresses."
+        },
+        "memory-inspector.allowDebuggerOverwriteSettings": {
+          "type": "boolean",
+          "default": true,
+          "description": "Allow debuggers to overwrite the default memory display settings."
         }
       }
     }

src/common/manifest.ts

@@ -74,5 +74,9 @@ export const CONFIG_SHOW_RADIX_PREFIX = 'showRadixPrefix';
 export const DEFAULT_SHOW_RADIX_PREFIX = true;
 
 // Columns
-export const CONFIG_SHOW_VARIABLES_COLUMN = 'columns.variables';
-export const CONFIG_SHOW_ASCII_COLUMN = 'columns.ascii';
+export const CONFIG_SHOW_VARIABLES_COLUMN = 'variables';
+export const CONFIG_SHOW_ASCII_COLUMN = 'ascii';
+export const DEFAULT_VISIBLE_COLUMNS = [CONFIG_SHOW_VARIABLES_COLUMN, CONFIG_SHOW_ASCII_COLUMN];
+
+// Extension Settings
+export const CONFIG_ALLOW_DEBUGGER_OVERWRITE_SETTINGS = 'allowDebuggerOverwriteSettings';

src/common/messaging.ts

@@ -48,7 +48,6 @@ export interface SessionContext {
 // Notifications
 export const readyType: NotificationType<void> = { method: 'ready' };
 export const setMemoryViewSettingsType: NotificationType<Partial<MemoryViewSettings>> = { method: 'setMemoryViewSettings' };
-export const resetMemoryViewSettingsType: NotificationType<void> = { method: 'resetMemoryViewSettings' };
 export const setTitleType: NotificationType<string> = { method: 'setTitle' };
 export const memoryWrittenType: NotificationType<WrittenMemory> = { method: 'memoryWritten' };
 export const sessionContextChangedType: NotificationType<SessionContext> = { method: 'sessionContextChanged' };

src/common/webview-configuration.ts

@@ -17,31 +17,44 @@ import { WebviewIdMessageParticipant } from 'vscode-messenger-common';
 import { Endianness, GroupsPerRowOption, PeriodicRefresh, RefreshOnStop } from './manifest';
 import { Radix } from './memory-range';
 
-/** The memory display configuration that can be specified for the memory widget. */
-export interface MemoryDisplayConfiguration {
+/** Specifies the settings for displaying memory addresses in the memory data table. */
+export interface MemoryAddressDisplaySettings {
+    addressPadding: AddressPadding;
+    addressRadix: Radix;
+    showRadixPrefix: boolean;
+}
+
+export type AddressPadding = 'Min' | 0 | 32 | 64;
+
+/** Specifies the settings for displaying memory data in the memory data table, including the memory addresses. */
+export interface MemoryDataDisplaySettings extends MemoryAddressDisplaySettings {
     bytesPerMau: number;
     mausPerGroup: number;
     groupsPerRow: GroupsPerRowOption;
     endianness: Endianness;
     scrollingBehavior: ScrollingBehavior;
-    addressPadding: AddressPadding;
-    addressRadix: Radix;
-    showRadixPrefix: boolean;
     refreshOnStop: RefreshOnStop;
     periodicRefresh: PeriodicRefresh;
     periodicRefreshInterval: number;
 }
 
 export type ScrollingBehavior = 'Paginate' | 'Grow' | 'Auto-Append';
 
-export type AddressPadding = 'Minimal' | number;
-
-export interface ColumnVisibilityStatus {
+/** Specifies the display settings of the memory data table, including the memory data and addresses. */
+export interface MemoryDisplaySettings extends MemoryDataDisplaySettings {
     visibleColumns: string[];
 }
 
+/** An extender's contribution to the `MemoryDisplaySettings` via the `AdapterCapabilities`. */
+export interface MemoryDisplaySettingsContribution {
+    message?: string;
+    settings?: Partial<MemoryDisplaySettings>;
+}
+
 /** All settings related to memory view that can be specified for the webview from the extension "main". */
-export interface MemoryViewSettings extends ColumnVisibilityStatus, MemoryDisplayConfiguration {
+export interface MemoryViewSettings extends MemoryDisplaySettings {
     title: string
     messageParticipant: WebviewIdMessageParticipant;
+    hasDebuggerDefaults?: boolean;
+    contributionMessage?: string;
 }

src/common/webview-context.ts

@@ -15,6 +15,7 @@
  ********************************************************************************/
 
 import { WebviewIdMessageParticipant } from 'vscode-messenger-common';
+import * as manifest from '../common/manifest';
 import { Endianness } from './manifest';
 import { VariableMetadata } from './memory-range';
 import { ReadMemoryArguments } from './messaging';
@@ -25,6 +26,7 @@ export interface WebviewContext {
     showAsciiColumn: boolean
     showVariablesColumn: boolean,
     showRadixPrefix: boolean,
+    hasDebuggerDefaults?: boolean,
     endianness: Endianness,
     bytesPerMau: number,
     activeReadArguments: Required<ReadMemoryArguments>
@@ -46,10 +48,10 @@ export interface WebviewVariableContext extends WebviewCellContext {
 export function getVisibleColumns(context: WebviewContext): string[] {
     const columns = [];
     if (context.showAsciiColumn) {
-        columns.push('ascii');
+        columns.push(manifest.CONFIG_SHOW_ASCII_COLUMN);
     }
     if (context.showVariablesColumn) {
-        columns.push('variables');
+        columns.push(manifest.CONFIG_SHOW_VARIABLES_COLUMN);
     }
     return columns;
 }

src/plugin/adapter-registry/adapter-capabilities.ts

@@ -18,6 +18,7 @@ import { DebugProtocol } from '@vscode/debugprotocol';
 import * as vscode from 'vscode';
 import { isDebugRequest, isDebugResponse } from '../../common/debug-requests';
 import { VariableRange } from '../../common/memory-range';
+import { MemoryDisplaySettingsContribution } from '../../common/webview-configuration';
 import { Logger } from '../logger';
 
 /** Represents capabilities that may be achieved with particular debug adapters but are not part of the DAP */
@@ -30,6 +31,9 @@ export interface AdapterCapabilities {
     getAddressOfVariable?(session: vscode.DebugSession, variableName: string): Promise<string | undefined>;
     /** Resolves the size of a given variable in bytes within the current context. */
     getSizeOfVariable?(session: vscode.DebugSession, variableName: string): Promise<bigint | undefined>;
+    /** Retrieve the enforced default display settings for the memory view. */
+    getMemoryDisplaySettings?(session: vscode.DebugSession): Promise<Partial<MemoryDisplaySettingsContribution>>;
+    /** Initialize the trackers of this adapter's for the debug session. */
     initializeAdapterTracker?(session: vscode.DebugSession): vscode.DebugAdapterTracker | undefined;
 }
 

src/plugin/memory-provider.ts

@@ -20,6 +20,7 @@ import { sendRequest } from '../common/debug-requests';
 import { stringToBytesMemory } from '../common/memory';
 import { VariableRange } from '../common/memory-range';
 import { ReadMemoryResult, WriteMemoryResult } from '../common/messaging';
+import { MemoryDisplaySettingsContribution } from '../common/webview-configuration';
 import { AdapterRegistry } from './adapter-registry/adapter-registry';
 import { isSessionEvent, SessionTracker } from './session-tracker';
 
@@ -84,8 +85,14 @@ export class MemoryProvider {
     }
 
     public async getSizeOfVariable(variableName: string): Promise<bigint | undefined> {
-        const session = this.sessionTracker.assertActiveSession('get address of variable');
+        const session = this.sessionTracker.assertActiveSession('get size of variable');
         const handler = this.adapterRegistry?.getHandlerForSession(session.type);
         return handler?.getSizeOfVariable?.(session, variableName);
     }
+
+    public async getMemoryDisplaySettingsContribution(): Promise<MemoryDisplaySettingsContribution> {
+        const session = this.sessionTracker.assertActiveSession('get memory display settings contribution');
+        const handler = this.adapterRegistry?.getHandlerForSession(session.type);
+        return handler?.getMemoryDisplaySettings?.(session) ?? {};
+    }
 }