Add SCI_SETELEMENTCOLOUR and related APIs to change colours of visible elements.

Implement SC_ELEMENT_LIST* to change colours of autocompletion lists.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/Editor.cxx b/src/Editor.cxx
index ad56a8eb8..fa356fe15 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -17,6 +17,7 @@
 #include <string_view>
 #include <vector>
 #include <map>
+#include <set>
 #include <forward_list>
 #include <optional>
 #include <algorithm>
@@ -7185,6 +7186,23 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 		InvalidateStyleRedraw();
 		break;
 
+	case SCI_SETELEMENTCOLOUR:
+		vs.elementColours[static_cast<int>(wParam)] = ColourAlpha(static_cast<int>(lParam));
+		break;
+
+	case SCI_GETELEMENTCOLOUR:
+		return vs.ElementColour(static_cast<int>(wParam)).value_or(ColourAlpha()).AsInteger();
+
+	case SCI_RESETELEMENTCOLOUR:
+		vs.elementColours[static_cast<int>(wParam)].reset();
+		break;
+
+	case SCI_GETELEMENTISSET:
+		return vs.ElementColour(static_cast<int>(wParam)).has_value();
+
+	case SCI_GETELEMENTALLOWSTRANSLUCENT:
+		return vs.ElementAllowsTranslucent(static_cast<int>(wParam));
+
 #ifdef INCLUDE_DEPRECATED_FEATURES
 	case SCI_SETSTYLEBITS:
 		vs.EnsureStyle(0xff);