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, 6 insertions, 0 deletions

diff --git a/src/ViewStyle.h b/src/ViewStyle.h
index b07c34a08..d33feb485 100644
--- a/src/ViewStyle.h
+++ b/src/ViewStyle.h
@@ -158,6 +158,9 @@ public:
 	int ctrlCharPadding; // the padding around control character text blobs
 	int lastSegItalicsOffset; // the offset so as not to clip italic characters at EOLs
 
+	std::map<int, std::optional<ColourAlpha>> elementColours;
+	std::set<int> elementAllowsTranslucent;
+
 	// Wrapping support
 	WrapMode wrapState;
 	int wrapVisualFlags;
@@ -195,6 +198,9 @@ public:
 
 	void AddMultiEdge(uptr_t wParam, sptr_t lParam);
 
+	std::optional<ColourAlpha> ElementColour(int index) const noexcept;
+	bool ElementAllowsTranslucent(int index) const noexcept;
+
 	bool SetWrapState(int wrapState_) noexcept;
 	bool SetWrapVisualFlags(int wrapVisualFlags_) noexcept;
 	bool SetWrapVisualFlagsLocation(int wrapVisualFlagsLocation_) noexcept;