Platform overrides for some drawing and behaviour to benefit PLAT_CURSES.

From Mitchell Foral.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/EditView.h b/src/EditView.h
index 733612e8e..70af6b2bf 100644
--- a/src/EditView.h
+++ b/src/EditView.h
@@ -42,6 +42,8 @@ void DrawTextNoClipPhase(Surface *surface, PRectangle rc, const Style &style, XY
 void DrawStyledText(Surface *surface, const ViewStyle &vs, int styleOffset, PRectangle rcText,
 	const StyledText &st, size_t start, size_t length, DrawPhase phase);
 
+typedef void (*DrawTabArrowFn)(Surface *surface, PRectangle rcTab, int ymid);
+
 /**
 * EditView draws the main text area.
 */
@@ -78,6 +80,14 @@ public:
 	LineLayoutCache llc;
 	PositionCache posCache;
 
+	int tabArrowHeight; // draw arrow heads this many pixels above/below line midpoint
+	/** Some platforms, notably PLAT_CURSES, do not support Scintilla's native
+	 * DrawTabArrow function for drawing tab characters. Allow those platforms to
+	 * override it instead of creating a new method in the Surface class that
+	 * existing platforms must implement as empty. */
+	DrawTabArrowFn customDrawTabArrow;
+	DrawWrapMarkerFn customDrawWrapMarker;
+
 	EditView();
 	virtual ~EditView();