use selection. fix #14

Author: octref

src/extension.js

@@ -45,6 +45,15 @@ function activate(context) {
       })
   })
 
+  vscode.window.onDidChangeTextEditorSelection(e => {
+    if (e.selections[0] && !e.selections[0].isEmpty) {
+      vscode.commands.executeCommand('editor.action.clipboardCopyAction')
+      vscode.commands.executeCommand('_workbench.htmlPreview.postMessage', indexUri, {
+        type: 'update'
+      })
+    }
+  })
+
   vscode.commands.registerCommand('polacode._onmessage', ({ type, data }) => {
     if (type === 'updateBgColor') {
       context.globalState.update('polacode.bgColor', data.bgColor)

src/webview/index.js

@@ -56,7 +56,6 @@ function getSnippetBgColor(html) {
   return html.match(/background-color: (#[a-fA-F0-9]+)/)[1]
 }
 
-
 function updateEnvironment(snippetBgColor) {
   // update snippet bg color
   document.getElementById('snippet').style.backgroundColor = snippetBgColor
@@ -171,6 +170,8 @@ window.addEventListener('message', e => {
       }
 
       snippetContainerNode.style.opacity = 1
+    } else if (e.data.type === 'update') {
+      document.execCommand('paste')
     }
   }
 })