From 9472c27c87971bbf5fa2a3333b145c725fafab2a Mon Sep 17 00:00:00 2001
From: nyamatongwe <unknown>
Date: Fri, 23 Sep 2011 10:35:04 +1000
Subject: Add GetAllLinesVisible method as this can be used to minimize folding
 overhead.

---
 include/Scintilla.h     | 1 +
 include/Scintilla.iface | 3 +++
 src/Editor.cxx          | 3 +++
 3 files changed, 7 insertions(+)

diff --git a/include/Scintilla.h b/include/Scintilla.h
index 34e4f793d..ee706e55d 100644
--- a/include/Scintilla.h
+++ b/include/Scintilla.h
@@ -423,6 +423,7 @@ typedef sptr_t (*SciFnDirect)(sptr_t ptr, unsigned int iMessage, uptr_t wParam,
 #define SCI_SHOWLINES 2226
 #define SCI_HIDELINES 2227
 #define SCI_GETLINEVISIBLE 2228
+#define SCI_GETALLLINESVISIBLE 2236
 #define SCI_SETFOLDEXPANDED 2229
 #define SCI_GETFOLDEXPANDED 2230
 #define SCI_TOGGLEFOLD 2231
diff --git a/include/Scintilla.iface b/include/Scintilla.iface
index 51ada6026..f077bf6b7 100644
--- a/include/Scintilla.iface
+++ b/include/Scintilla.iface
@@ -1065,6 +1065,9 @@ fun void HideLines=2227(int lineStart, int lineEnd)
 # Is a line visible?
 get bool GetLineVisible=2228(int line,)
 
+# Are all lines visible?
+get bool GetAllLinesVisible=2236(,)
+
 # Show the children of a header line.
 set void SetFoldExpanded=2229(int line, bool expanded)
 
diff --git a/src/Editor.cxx b/src/Editor.cxx
index 7dbaa361e..a1c88cc20 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -8259,6 +8259,9 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_GETLINEVISIBLE:
 		return cs.GetVisible(wParam);
 
+	case SCI_GETALLLINESVISIBLE:
+		return cs.HiddenLines() ? 0 : 1;
+
 	case SCI_SETFOLDEXPANDED:
 		if (cs.SetExpanded(wParam, lParam != 0)) {
 			RedrawSelMargin();
-- 
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