add NO_UNDO flags to all regions

plugin/code_lens.py

@@ -196,10 +196,11 @@ def render(self, mode: str) -> None:
             self._phantom.update(phantoms)
         else:  # 'annotation'
             self._clear_annotations()
+            flags = sublime.NO_UNDO
             accent = self.view.style_for_scope("region.greenish markup.accent.codelens.lsp")["foreground"]
             for index, lens in enumerate(self._flat_iteration()):
                 self.view.add_regions(
-                    self._region_key(lens.session_name, index), [lens.region], "", "", 0, [lens.small_html], accent)
+                    self._region_key(lens.session_name, index), [lens.region], "", "", flags, [lens.small_html], accent)
 
     def get_resolved_code_lenses_for_region(self, region: sublime.Region) -> Generator[CodeLensExtended, None, None]:
         region = self.view.line(region)

plugin/core/constants.py

@@ -19,6 +19,11 @@
 HOVER_PROVIDER_COUNT_KEY = 'lsp_hover_provider_count'
 SHOW_DEFINITIONS_KEY = 'show_definitions'
 
+# Region flags
+DOCUMENT_LINK_FLAGS = sublime.HIDE_ON_MINIMAP | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_SOLID_UNDERLINE | sublime.NO_UNDO  # noqa: E501
+REGIONS_INITIALIZE_FLAGS = sublime.HIDDEN | sublime.NO_UNDO
+SEMANTIC_TOKEN_FLAGS = sublime.DRAW_NO_OUTLINE | sublime.NO_UNDO
+
 # sublime.Kind tuples for sublime.CompletionItem, sublime.QuickPanelItem, sublime.ListInputItem
 # https://www.sublimetext.com/docs/api_reference.html#sublime.Kind
 KIND_ARRAY = (sublime.KIND_ID_TYPE, "a", "Array")

plugin/core/types.py

@@ -320,31 +320,33 @@ def r(name: str, default: Union[bool, int, str, list, dict]) -> None:
         set_debug_logging(self.log_debug)
 
     def highlight_style_region_flags(self, style_str: str) -> Tuple[int, int]:
+        default = sublime.NO_UNDO
         if style_str in ("background", "fill"):  # Backwards-compatible with "fill"
-            return sublime.DRAW_NO_OUTLINE, sublime.DRAW_NO_OUTLINE
-        elif style_str == "outline":
-            return sublime.DRAW_NO_FILL, sublime.DRAW_NO_FILL
-        elif style_str == "stippled":
-            return sublime.DRAW_NO_FILL, sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_STIPPLED_UNDERLINE  # noqa: E501
-        else:
-            return sublime.DRAW_NO_FILL, sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_SOLID_UNDERLINE  # noqa: E501
+            style = default | sublime.DRAW_NO_OUTLINE
+            return style, style
+        if style_str == "outline":
+            style = default | sublime.DRAW_NO_FILL
+            return style, style
+        if style_str == "stippled":
+            return default | sublime.DRAW_NO_FILL, default | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_STIPPLED_UNDERLINE  # noqa: E501
+        return default | sublime.DRAW_NO_FILL, default | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_SOLID_UNDERLINE  # noqa: E501
 
     @staticmethod
     def _style_str_to_flag(style_str: str) -> Optional[int]:
+        default = sublime.DRAW_EMPTY_AS_OVERWRITE | sublime.DRAW_NO_FILL | sublime.NO_UNDO
         # This method could be a dict or lru_cache
         if style_str == "":
-            return sublime.DRAW_EMPTY_AS_OVERWRITE | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE
-        elif style_str == "box":
-            return sublime.DRAW_EMPTY_AS_OVERWRITE | sublime.DRAW_NO_FILL
-        elif style_str == "underline":
-            return sublime.DRAW_EMPTY_AS_OVERWRITE | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_SOLID_UNDERLINE  # noqa: E501
-        elif style_str == "stippled":
-            return sublime.DRAW_EMPTY_AS_OVERWRITE | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_STIPPLED_UNDERLINE  # noqa: E501
-        elif style_str == "squiggly":
-            return sublime.DRAW_EMPTY_AS_OVERWRITE | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_SQUIGGLY_UNDERLINE  # noqa: E501
-        else:
-            # default style
-            return None
+            return default | sublime.DRAW_NO_OUTLINE
+        if style_str == "box":
+            return default
+        if style_str == "underline":
+            return default | sublime.DRAW_NO_OUTLINE | sublime.DRAW_SOLID_UNDERLINE
+        if style_str == "stippled":
+            return default | sublime.DRAW_NO_OUTLINE | sublime.DRAW_STIPPLED_UNDERLINE
+        if style_str == "squiggly":
+            return default | sublime.DRAW_NO_OUTLINE | sublime.DRAW_SQUIGGLY_UNDERLINE
+        # default style (includes NO_UNDO)
+        return None
 
     def diagnostics_highlight_style_flags(self) -> List[Optional[int]]:
         """Returns flags for highlighting diagnostics on single lines per severity"""

plugin/core/views.py

@@ -53,16 +53,15 @@
 
 MarkdownLangMap = Dict[str, Tuple[Tuple[str, ...], Tuple[str, ...]]]
 
-DOCUMENT_LINK_FLAGS = sublime.HIDE_ON_MINIMAP | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_SOLID_UNDERLINE  # noqa: E501
-
-_baseflags = sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_EMPTY_AS_OVERWRITE
+_baseflags = sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.DRAW_EMPTY_AS_OVERWRITE | sublime.NO_UNDO
+_multilineflags = sublime.DRAW_NO_FILL | sublime.NO_UNDO
 
 DIAGNOSTIC_SEVERITY = [
     # Kind       CSS class   Scope for color                        Icon resource                    add_regions flags for single-line diagnostic  multi-line diagnostic   # noqa: E501
-    ("error",   "errors",   "region.redish markup.error.lsp",      "Packages/LSP/icons/error.png",   _baseflags | sublime.DRAW_SQUIGGLY_UNDERLINE, sublime.DRAW_NO_FILL),  # noqa: E501
-    ("warning", "warnings", "region.yellowish markup.warning.lsp", "Packages/LSP/icons/warning.png", _baseflags | sublime.DRAW_SQUIGGLY_UNDERLINE, sublime.DRAW_NO_FILL),  # noqa: E501
-    ("info",    "info",     "region.bluish markup.info.lsp",       "Packages/LSP/icons/info.png",    _baseflags | sublime.DRAW_STIPPLED_UNDERLINE, sublime.DRAW_NO_FILL),  # noqa: E501
-    ("hint",    "hints",    "region.bluish markup.info.hint.lsp",  "",                               _baseflags | sublime.DRAW_STIPPLED_UNDERLINE, sublime.DRAW_NO_FILL),  # noqa: E501
+    ("error",   "errors",   "region.redish markup.error.lsp",      "Packages/LSP/icons/error.png",   _baseflags | sublime.DRAW_SQUIGGLY_UNDERLINE, _multilineflags),  # noqa: E501
+    ("warning", "warnings", "region.yellowish markup.warning.lsp", "Packages/LSP/icons/warning.png", _baseflags | sublime.DRAW_SQUIGGLY_UNDERLINE, _multilineflags),  # noqa: E501
+    ("info",    "info",     "region.bluish markup.info.lsp",       "Packages/LSP/icons/info.png",    _baseflags | sublime.DRAW_STIPPLED_UNDERLINE, _multilineflags),  # noqa: E501
+    ("hint",    "hints",    "region.bluish markup.info.hint.lsp",  "",                               _baseflags | sublime.DRAW_STIPPLED_UNDERLINE, _multilineflags),  # noqa: E501
 ]  # type: List[Tuple[str, str, str, str, int, int]]
 
 

plugin/diagnostics.py

@@ -1,4 +1,5 @@
 from .core.constants import DIAGNOSTIC_KINDS
+from .core.constants import REGIONS_INITIALIZE_FLAGS
 from .core.protocol import Diagnostic
 from .core.protocol import DiagnosticSeverity
 from .core.settings import userprefs
@@ -17,13 +18,13 @@ def __init__(self, view: sublime.View, config_name: str) -> None:
     def initialize_region_keys(self) -> None:
         r = [sublime.Region(0, 0)]
         for severity in DIAGNOSTIC_KINDS.keys():
-            self._view.add_regions(self._annotation_region_key(severity), r)
+            self._view.add_regions(self._annotation_region_key(severity), r, flags=REGIONS_INITIALIZE_FLAGS)
 
     def _annotation_region_key(self, severity: DiagnosticSeverity) -> str:
         return 'lsp_da-{}-{}'.format(severity, self._config_name)
 
     def draw(self, diagnostics: List[Tuple[Diagnostic, sublime.Region]]) -> None:
-        flags = sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE
+        flags = sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.NO_UNDO
         max_severity_level = userprefs().show_diagnostics_annotations_severity_level
         # To achieve the correct order of annotations (most severe having priority) we have to add regions from the
         # most to the least severe.

plugin/documents.py

@@ -695,7 +695,7 @@ def _on_code_actions(self, responses: List[CodeActionsByConfigName]) -> None:
         regions = [sublime.Region(region.b, region.a)]
         scope = ""
         icon = ""
-        flags = sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE
+        flags = sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.NO_UNDO
         annotations = []
         annotation_color = ""
         if userprefs().show_code_actions == 'bulb':

plugin/references.py

@@ -190,7 +190,7 @@ def _show_references_in_output_panel(self, word: str, session: Session, location
         })
         # highlight all word occurrences
         regions = panel.find_all(r"\b{}\b".format(word))
-        panel.add_regions('ReferenceHighlight', regions, 'comment', flags=sublime.DRAW_NO_FILL)
+        panel.add_regions('ReferenceHighlight', regions, 'comment', flags=sublime.DRAW_NO_FILL | sublime.NO_UNDO)
 
 
 def _get_relative_path(base_dir: Optional[str], file_path: str) -> str:

plugin/session_buffer.py

@@ -1,3 +1,5 @@
+from .core.constants import DOCUMENT_LINK_FLAGS
+from .core.constants import SEMANTIC_TOKEN_FLAGS
 from .core.protocol import ColorInformation
 from .core.protocol import Diagnostic
 from .core.protocol import DocumentDiagnosticParams
@@ -34,7 +36,6 @@
 from .core.views import did_open
 from .core.views import did_save
 from .core.views import document_color_params
-from .core.views import DOCUMENT_LINK_FLAGS
 from .core.views import entire_content_range
 from .core.views import lsp_color_to_phantom
 from .core.views import MissingUriError
@@ -668,7 +669,7 @@ def _draw_semantic_tokens_async(self) -> None:
             if region_key not in self.semantic_tokens.active_region_keys:
                 self.semantic_tokens.active_region_keys.add(region_key)
             for sv in self.session_views:
-                sv.view.add_regions("lsp_semantic_{}".format(region_key), regions, scope, flags=sublime.DRAW_NO_OUTLINE)
+                sv.view.add_regions("lsp_semantic_{}".format(region_key), regions, scope, flags=SEMANTIC_TOKEN_FLAGS)
 
     def _get_semantic_region_key_for_scope(self, scope: str) -> int:
         if scope not in self._semantic_region_keys:

plugin/session_view.py

@@ -5,6 +5,7 @@
 from .core.constants import HOVER_ENABLED_KEY
 from .core.constants import HOVER_HIGHLIGHT_KEY
 from .core.constants import HOVER_PROVIDER_COUNT_KEY
+from .core.constants import REGIONS_INITIALIZE_FLAGS
 from .core.constants import SHOW_DEFINITIONS_KEY
 from .core.promise import Promise
 from .core.protocol import CodeLens
@@ -133,36 +134,39 @@ def _initialize_region_keys(self) -> None:
           - gutter icons from region keys which were initialized _first_ are drawn
         For more context, see https://github.com/sublimelsp/LSP/issues/1593.
         """
+        keys = []  # type: List[str]
         r = [sublime.Region(0, 0)]
         document_highlight_style = userprefs().document_highlight_style
         hover_highlight_style = userprefs().hover_highlight_style
         line_modes = ["m", "s"]
         self.view.add_regions(self.CODE_ACTIONS_KEY, r)  # code actions lightbulb icon should always be on top
         for key in range(1, 100):
-            self.view.add_regions("lsp_semantic_{}".format(key), r)
+            keys.append("lsp_semantic_{}".format(key))
         if document_highlight_style in ("background", "fill"):
             for kind in DOCUMENT_HIGHLIGHT_KIND_NAMES.values():
                 for mode in line_modes:
-                    self.view.add_regions("lsp_highlight_{}{}".format(kind, mode), r)
+                    keys.append("lsp_highlight_{}{}".format(kind, mode))
         if hover_highlight_style in ("background", "fill"):
-            self.view.add_regions(HOVER_HIGHLIGHT_KEY, r)
+            keys.append(HOVER_HIGHLIGHT_KEY)
         for severity in range(1, 5):
             for mode in line_modes:
                 for tag in range(1, 3):
-                    self.view.add_regions("lsp{}d{}{}_tags_{}".format(self.session.config.name, mode, severity, tag), r)
-        self.view.add_regions("lsp_document_link", r)
+                    keys.append("lsp{}d{}{}_tags_{}".format(self.session.config.name, mode, severity, tag))
+        keys.append("lsp_document_link")
         for severity in range(1, 5):
             for mode in line_modes:
-                self.view.add_regions("lsp{}d{}{}_icon".format(self.session.config.name, mode, severity), r)
+                keys.append("lsp{}d{}{}_icon".format(self.session.config.name, mode, severity))
         for severity in range(4, 0, -1):
             for mode in line_modes:
-                self.view.add_regions("lsp{}d{}{}_underline".format(self.session.config.name, mode, severity), r)
+                keys.append("lsp{}d{}{}_underline".format(self.session.config.name, mode, severity))
         if document_highlight_style in ("underline", "stippled"):
             for kind in DOCUMENT_HIGHLIGHT_KIND_NAMES.values():
                 for mode in line_modes:
-                    self.view.add_regions("lsp_highlight_{}{}".format(kind, mode), r)
+                    keys.append("lsp_highlight_{}{}".format(kind, mode))
         if hover_highlight_style in ("underline", "stippled"):
-            self.view.add_regions(HOVER_HIGHLIGHT_KEY, r)
+            keys.append(HOVER_HIGHLIGHT_KEY)
+        for key in keys:
+            self.view.add_regions(key, r, flags=REGIONS_INITIALIZE_FLAGS)
         self._diagnostic_annotations.initialize_region_keys()
 
     def _clear_auto_complete_triggers(self, settings: sublime.Settings) -> None:
@@ -300,7 +304,7 @@ def present_diagnostics_async(
         self, is_view_visible: bool, data_per_severity: Dict[Tuple[int, bool], DiagnosticSeverityData]
     ) -> None:
         flags = userprefs().diagnostics_highlight_style_flags()  # for single lines
-        multiline_flags = None if userprefs().show_multiline_diagnostics_highlights else sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE  # noqa: E501
+        multiline_flags = None if userprefs().show_multiline_diagnostics_highlights else sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.NO_UNDO  # noqa: E501
         level = userprefs().show_diagnostics_severity_level
         for sev in reversed(range(1, len(DIAGNOSTIC_SEVERITY) + 1)):
             self._draw_diagnostics(
@@ -320,7 +324,7 @@ def _draw_diagnostics(
         flags: int,
         multiline: bool
     ) -> None:
-        ICON_FLAGS = sublime.HIDE_ON_MINIMAP | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE
+        ICON_FLAGS = sublime.HIDE_ON_MINIMAP | sublime.DRAW_NO_FILL | sublime.DRAW_NO_OUTLINE | sublime.NO_UNDO
         key = self.diagnostics_key(severity, multiline)
         tags = {tag: TagData('{}_tags_{}'.format(key, tag)) for tag in DIAGNOSTIC_TAG_VALUES}
         data = data_per_severity.get((severity, multiline))
@@ -341,7 +345,8 @@ def _draw_diagnostics(
             self.view.erase_regions("{}_underline".format(key))
         for data in tags.values():
             if data.regions:
-                self.view.add_regions(data.key, data.regions, data.scope, flags=sublime.DRAW_NO_OUTLINE)
+                self.view.add_regions(
+                    data.key, data.regions, data.scope, flags=sublime.DRAW_NO_OUTLINE | sublime.NO_UNDO)
             else:
                 self.view.erase_regions(data.key)