Copy diagnostic hover text

boot.py

@@ -56,6 +56,7 @@
 from .plugin.hierarchy import LspCallHierarchyCommand
 from .plugin.hierarchy import LspHierarchyToggleCommand
 from .plugin.hierarchy import LspTypeHierarchyCommand
+from .plugin.hover import LspCopyTextCommand
 from .plugin.hover import LspHoverCommand
 from .plugin.hover import LspToggleHoverPopupsCommand
 from .plugin.inlay_hint import LspInlayHintClickCommand
@@ -100,6 +101,7 @@
     "LspCollapseTreeItemCommand",
     "LspColorPresentationCommand",
     "LspCommitCompletionWithOppositeInsertMode",
+    "LspCopyTextCommand",
     "LspCopyToClipboardFromBase64Command",
     "LspDisableLanguageServerGloballyCommand",
     "LspDisableLanguageServerInProjectCommand",

plugin/completion.py

@@ -331,8 +331,11 @@ def _format_documentation(
     ) -> str:
         return minihtml(self.view, content, FORMAT_STRING | FORMAT_MARKUP_CONTENT, language_map)
 
-    def _on_navigate(self, url: str) -> None:
-        webbrowser.open(url)
+    def _on_navigate(self, href: str) -> None:
+        if href.startswith("http"):
+            webbrowser.open(href)
+            return
+        debug('on_navigate unhandled href:', href)
 
 
 class LspCommitCompletionWithOppositeInsertMode(LspTextCommand):

plugin/core/views.py

@@ -831,13 +831,22 @@ def format_diagnostic_for_html(config: ClientConfig, diagnostic: Diagnostic, bas
             meta_info += "({})".format(
                 make_link(code_description["href"], str(code)) if code_description else text2html(str(code)))
         html += " " + _html_element("span", meta_info, class_name="color-muted", escape=False)
+    html += copy_icon_html(f"{diagnostic['message']} {f'({source})' if source else ''}".strip())
     if related_infos := diagnostic.get("relatedInformation"):
         info = "<br>".join(_format_diagnostic_related_info(config, info, base_dir) for info in related_infos)
         html += '<br>' + _html_element("pre", info, class_name="related_info", escape=False)
     severity_class = DIAGNOSTIC_SEVERITY[diagnostic_severity(diagnostic) - 1][1]
     return _html_element("pre", html, class_name=severity_class, escape=False)
 
 
+def copy_icon_html(text_to_copy: str) -> str:
+    return f"""<a class='copy-icon'
+       title='Copy to clipboard'
+       href='{sublime.command_url('lsp_copy_text', {
+        'text': text_to_copy
+       })}'><span>⧉</span></a>"""
+
+
 def format_code_actions_for_quick_panel(
     session_actions: Iterable[tuple[str, CodeAction | Command]]
 ) -> tuple[list[sublime.QuickPanelItem], int]:

plugin/documents.py

@@ -717,7 +717,10 @@ def _on_sighelp_hide(self) -> None:
         self._sighelp = None
 
     def _on_sighelp_navigate(self, href: str) -> None:
-        webbrowser.open_new_tab(href)
+        if href.startswith("http"):
+            webbrowser.open_new_tab(href)
+            return
+        debug('on_sighelp_navigate unhandled href:', href)
 
     # --- textDocument/codeAction --------------------------------------------------------------------------------------
 

plugin/hover.py

@@ -258,7 +258,7 @@ def diagnostics_content(self) -> str:
         return "".join(formatted)
 
     def hover_content(self) -> str:
-        contents = []
+        contents: list[str] = []
         for hover, language_map in self._hover_responses:
             content = (hover.get('contents') or '') if isinstance(hover, dict) else ''
             allowed_formats = FORMAT_MARKED_STRING | FORMAT_MARKUP_CONTENT
@@ -409,3 +409,10 @@ def _update_views_async(self, enable: bool) -> None:
                         session_view.view.settings().set(SHOW_DEFINITIONS_KEY, False)
                     else:
                         session_view.reset_show_definitions()
+
+
+class LspCopyTextCommand(sublime_plugin.WindowCommand):
+    def run(self, text: str) -> None:
+        sublime.set_clipboard(text)
+        text_length = len(text)
+        self.window.status_message(f"Copied {text_length} characters")

popups.css

@@ -86,3 +86,9 @@ pre.related_info {
     margin-top: 0.7rem;
     padding-top: 0.7rem;
 }
+a.copy-icon {
+    padding: 0.5rem;
+    text-decoration: none;
+    color: color(var(--foreground) alpha(0.6));
+}
+