From 140a921a133ee63337e8dfe1c7261b7eb86399e9 Mon Sep 17 00:00:00 2001
From: orbitalquark <70453897+orbitalquark@users.noreply.github.com>
Date: Mon, 12 May 2025 11:38:13 +1000
Subject: Add SCI_AUTOC{G,S}ETIMAGESCALE and implement for Qt and GTK.

---
 src/AutoComplete.cxx  | 1 +
 src/AutoComplete.h    | 1 +
 src/Platform.h        | 1 +
 src/ScintillaBase.cxx | 8 ++++++++
 4 files changed, 11 insertions(+)

(limited to 'src')

diff --git a/src/AutoComplete.cxx b/src/AutoComplete.cxx
index 2487d3042..058550d62 100644
--- a/src/AutoComplete.cxx
+++ b/src/AutoComplete.cxx
@@ -41,6 +41,7 @@ AutoComplete::AutoComplete() :
 	ignoreCase(false),
 	chooseSingle(false),
 	options(AutoCompleteOption::Normal),
+	imageScale(1.0),
 	posStart(0),
 	startLen(0),
 	cancelAtStartPos(true),
diff --git a/src/AutoComplete.h b/src/AutoComplete.h
index 378232a84..b1233332c 100644
--- a/src/AutoComplete.h
+++ b/src/AutoComplete.h
@@ -25,6 +25,7 @@ public:
 	bool ignoreCase;
 	bool chooseSingle;
 	AutoCompleteOption options;
+	float imageScale;
 	std::unique_ptr<ListBox> lb;
 	Sci::Position posStart;
 	Sci::Position startLen;
diff --git a/src/Platform.h b/src/Platform.h
index 77464945e..119b4ef3f 100644
--- a/src/Platform.h
+++ b/src/Platform.h
@@ -317,6 +317,7 @@ struct ListOptions {
 	std::optional<ColourRGBA> foreSelected;
 	std::optional<ColourRGBA> backSelected;
 	AutoCompleteOption options=AutoCompleteOption::Normal;
+	float imageScale=1.0f;
 };
 
 class ListBox : public Window {
diff --git a/src/ScintillaBase.cxx b/src/ScintillaBase.cxx
index a49cfab32..1f4c360da 100644
--- a/src/ScintillaBase.cxx
+++ b/src/ScintillaBase.cxx
@@ -296,6 +296,7 @@ void ScintillaBase::AutoCompleteStart(Sci::Position lenEntered, const char *list
 		vs.ElementColour(Element::ListSelected),
 		vs.ElementColour(Element::ListSelectedBack),
 		ac.options,
+		ac.imageScale,
 	};
 
 	int lineHeight;
@@ -972,6 +973,13 @@ sptr_t ScintillaBase::WndProc(Message iMessage, uptr_t wParam, sptr_t lParam) {
 	case Message::AutoCGetStyle:
 		return vs.autocStyle;
 
+	case Message::AutoCSetImageScale:
+		ac.imageScale = static_cast<float>(wParam) / 100.0f;
+		break;
+
+	case Message::AutoCGetImageScale:
+		return static_cast<int>(ac.imageScale * 100);
+
 	case Message::RegisterImage:
 		ac.lb->RegisterImage(static_cast<int>(wParam), ConstCharPtrFromSPtr(lParam));
 		break;
-- 
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