Adopt onSpecificOptionChange

src/browser/Terminal.ts

@@ -265,8 +265,6 @@ export class Terminal extends CoreTerminal implements ITerminal {
   }
 
   protected _updateOptions(key: string): void {
-    super._updateOptions(key);
-
     // TODO: These listeners should be owned by individual components
     switch (key) {
       case 'fontFamily':
@@ -307,7 +305,6 @@ export class Terminal extends CoreTerminal implements ITerminal {
           this._accessibilityManager = undefined;
         }
         break;
-      case 'tabStopWidth': this.buffers.setupTabStops(); break;
     }
   }
 
@@ -584,8 +581,8 @@ export class Terminal extends CoreTerminal implements ITerminal {
     if (this.options.overviewRulerWidth) {
       this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));
     }
-    this.optionsService.onOptionChange(() => {
-      if (!this._overviewRulerRenderer && this.options.overviewRulerWidth && this._viewportElement && this.screenElement) {
+    this.optionsService.onSpecificOptionChange('overviewRulerWidth', value => {
+      if (!this._overviewRulerRenderer && value && this._viewportElement && this.screenElement) {
         this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));
       }
     });

src/browser/decorations/OverviewRulerRenderer.ts

@@ -110,15 +110,9 @@ export class OverviewRulerRenderer extends Disposable {
       }
     }));
     // overview ruler width changed
-    this.register(this._optionsService.onOptionChange(o => {
-      if (o === 'overviewRulerWidth') {
-        this._queueRefresh(true);
-      }
-    }));
+    this.register(this._optionsService.onSpecificOptionChange('overviewRulerWidth', () => this._queueRefresh(true)));
     // device pixel ratio changed
-    this.register(addDisposableDomListener(this._coreBrowseService.window, 'resize', () => {
-      this._queueRefresh(true);
-    }));
+    this.register(addDisposableDomListener(this._coreBrowseService.window, 'resize', () => this._queueRefresh(true)));
     // set the canvas dimensions
     this._queueRefresh(true);
   }

src/browser/services/ThemeService.ts

@@ -111,16 +111,8 @@ export class ThemeService extends Disposable implements IThemeService {
     this._updateRestoreColors();
     this._setTheme(this._optionsService.rawOptions.theme);
 
-    this.register(this._optionsService.onOptionChange(key => {
-      switch (key) {
-        case 'minimumContrastRatio':
-          this._contrastCache.clear();
-          break;
-        case 'theme':
-          this._setTheme(this._optionsService.rawOptions.theme);
-          break;
-      }
-    }));
+    this.register(this._optionsService.onSpecificOptionChange('minimumContrastRatio', () => this._contrastCache.clear()));
+    this.register(this._optionsService.onSpecificOptionChange('theme', () => this._setTheme(this._optionsService.rawOptions.theme)));
   }
 
   /**

src/common/CoreTerminal.ts

@@ -130,7 +130,7 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
     this.register(forwardEvent(this.coreService.onData, this._onData));
     this.register(forwardEvent(this.coreService.onBinary, this._onBinary));
     this.register(this.coreService.onUserInput(() =>  this._writeBuffer.handleUserInput()));
-    this.register(this.optionsService.onOptionChange(key => this._updateOptions(key)));
+    this.register(this.optionsService.onSpecificOptionChange('windowsMode', e => this._handleWindowsModeOptionChange(e)));
     this.register(this._bufferService.onScroll(event => {
       this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });
       this._inputHandler.markRangeDirty(this._bufferService.buffer.scrollTop, this._bufferService.buffer.scrollBottom);
@@ -261,20 +261,12 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
     this.coreMouseService.reset();
   }
 
-  protected _updateOptions(key: keyof ITerminalOptions): void {
-    // TODO: These listeners should be owned by individual components
-    switch (key) {
-      case 'scrollback':
-        this.buffers.resize(this.cols, this.rows);
-        break;
-      case 'windowsMode':
-        if (this.optionsService.rawOptions.windowsMode) {
-          this._enableWindowsMode();
-        } else {
-          this._windowsMode?.dispose();
-          this._windowsMode = undefined;
-        }
-        break;
+  private _handleWindowsModeOptionChange(value: boolean | undefined): void {
+    if (value) {
+      this._enableWindowsMode();
+    } else {
+      this._windowsMode?.dispose();
+      this._windowsMode = undefined;
     }
   }
 

src/common/buffer/BufferSet.ts

@@ -32,6 +32,8 @@ export class BufferSet extends Disposable implements IBufferSet {
   ) {
     super();
     this.reset();
+    this.register(this._optionsService.onSpecificOptionChange('scrollback', () => this.resize(this._bufferService.cols, this._bufferService.rows)));
+    this.register(this._optionsService.onSpecificOptionChange('tabStopWidth', () => this.setupTabStops()));
   }
 
   public reset(): void {
@@ -119,6 +121,7 @@ export class BufferSet extends Disposable implements IBufferSet {
   public resize(newCols: number, newRows: number): void {
     this._normal.resize(newCols, newRows);
     this._alt.resize(newCols, newRows);
+    this.setupTabStops(newCols);
   }
 
   /**

src/common/services/BufferService.ts

@@ -43,7 +43,7 @@ export class BufferService extends Disposable implements IBufferService {
     this.cols = cols;
     this.rows = rows;
     this.buffers.resize(cols, rows);
-    this.buffers.setupTabStops(this.cols);
+    // TODO: This doesn't fire when scrollback changes - add a resize event to BufferSet and forward event
     this._onResize.fire({ cols, rows });
   }
 

src/common/services/LogService.ts

@@ -40,11 +40,7 @@ export class LogService extends Disposable implements ILogService {
   ) {
     super();
     this._updateLogLevel();
-    this.register(this._optionsService.onOptionChange(key => {
-      if (key === 'logLevel') {
-        this._updateLogLevel();
-      }
-    }));
+    this.register(this._optionsService.onSpecificOptionChange('logLevel', () => this._updateLogLevel()));
   }
 
   private _updateLogLevel(): void {

src/headless/Terminal.ts

@@ -78,15 +78,6 @@ export class Terminal extends CoreTerminal {
     return this.buffers.active;
   }
 
-  protected _updateOptions(key: string): void {
-    super._updateOptions(key);
-
-    // TODO: These listeners should be owned by individual components
-    switch (key) {
-      case 'tabStopWidth': this.buffers.setupTabStops(); break;
-    }
-  }
-
   // TODO: Support paste here?
 
   public get markers(): IMarker[] {