Feature [feature-requests:#1523]. SCI_AUTOCSETSTYLE sets autocompletion font.

3 files changed, 25 insertions, 4 deletions

diff --git a/src/ScintillaBase.cxx b/src/ScintillaBase.cxx
index c66a689b7..1b19802f9 100644
--- a/src/ScintillaBase.cxx
+++ b/src/ScintillaBase.cxx
@@ -10,6 +10,7 @@
 #include <cstdint>
 #include <cassert>
 #include <cstring>
+#include <cmath>
 
 #include <stdexcept>
 #include <string>
@@ -273,8 +274,16 @@ void ScintillaBase::AutoCompleteStart(Sci::Position lenEntered, const char *list
 		ac.options,
 	};
 
+	int lineHeight;
+	if (vs.autocStyle != StyleDefault) {
+		AutoSurface surfaceMeasure(this);
+		lineHeight = static_cast<int>(std::lround(surfaceMeasure->Height(vs.styles[vs.autocStyle].font.get())));
+	} else {
+		lineHeight = vs.lineHeight;
+	}
+
 	ac.Start(wMain, idAutoComplete, sel.MainCaret(), PointMainCaret(),
-				lenEntered, vs.lineHeight, IsUnicodeMode(), technology, options);
+				lenEntered, lineHeight, IsUnicodeMode(), technology, options);
 
 	const PRectangle rcClient = GetClientRectangle();
 	Point pt = LocationFromPosition(sel.MainCaret() - lenEntered);
@@ -307,8 +316,8 @@ void ScintillaBase::AutoCompleteStart(Sci::Position lenEntered, const char *list
 	rcac.right = rcac.left + widthLB;
 	rcac.bottom = static_cast<XYPOSITION>(std::min(static_cast<int>(rcac.top) + heightLB, static_cast<int>(rcPopupBounds.bottom)));
 	ac.lb->SetPositionRelative(rcac, &wMain);
-	ac.lb->SetFont(vs.styles[StyleDefault].font.get());
-	const int aveCharWidth = static_cast<int>(vs.styles[StyleDefault].aveCharWidth);
+	ac.lb->SetFont(vs.styles[vs.autocStyle].font.get());
+	const int aveCharWidth = static_cast<int>(vs.styles[vs.autocStyle].aveCharWidth);
 	ac.lb->SetAverageCharWidth(aveCharWidth);
 	ac.lb->SetDelegate(this);
 
@@ -941,6 +950,14 @@ sptr_t ScintillaBase::WndProc(Message iMessage, uptr_t wParam, sptr_t lParam) {
 	case Message::AutoCGetMaxWidth:
 		return maxListWidth;
 
+	case Message::AutoCSetStyle:
+		vs.autocStyle = static_cast<int>(wParam);
+		InvalidateStyleRedraw();
+		break;
+
+	case Message::AutoCGetStyle:
+		return vs.autocStyle;
+
 	case Message::RegisterImage:
 		ac.lb->RegisterImage(static_cast<int>(wParam), ConstCharPtrFromSPtr(lParam));
 		break;
diff --git a/src/ViewStyle.cxx b/src/ViewStyle.cxx
index b22666cf0..f20645251 100644
--- a/src/ViewStyle.cxx
+++ b/src/ViewStyle.cxx
@@ -252,6 +252,8 @@ ViewStyle::ViewStyle(size_t stylesSize_) :
 	ctrlCharPadding = 3; // +3 For a blank on front and rounded edge each side
 	lastSegItalicsOffset = 2;
 
+	autocStyle = StyleDefault;
+
 	localeName = localeNameDefault;
 }
 
@@ -792,7 +794,8 @@ FontRealised *ViewStyle::Find(const FontSpecification &fs) {
 
 void ViewStyle::FindMaxAscentDescent() noexcept {
 	for (size_t i = 0; i < styles.size(); i++) {
-		if (i == StyleCallTip)
+		if (i == StyleCallTip ||
+		   (autocStyle != StyleDefault && i == static_cast<size_t>(autocStyle)))
 			continue;
 
 		const auto &style = styles[i];
diff --git a/src/ViewStyle.h b/src/ViewStyle.h
index 19a853121..6985e3f03 100644
--- a/src/ViewStyle.h
+++ b/src/ViewStyle.h
@@ -179,6 +179,7 @@ public:
 	int marginNumberPadding; // the right-side padding of the number margin
 	int ctrlCharPadding; // the padding around control character text blobs
 	int lastSegItalicsOffset; // the offset so as not to clip italic characters at EOLs
+	int autocStyle;
 
 	using ElementMap = std::map<Scintilla::Element, ColourOptional>;
 	ElementMap elementColours;