From e8f134e9a1567775377c66c8bd34825380c328a6 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Thu, 29 Jul 2021 13:12:16 +1000
Subject: Add SC_ELEMENT_HIDDEN_LINE to show where lines are hidden.

---
 doc/ScintillaDoc.html     | 13 +++++++++++++
 doc/ScintillaHistory.html |  1 +
 2 files changed, 14 insertions(+)

(limited to 'doc')

diff --git a/doc/ScintillaDoc.html b/doc/ScintillaDoc.html
index 511632937..b38cfb83c 100644
--- a/doc/ScintillaDoc.html
+++ b/doc/ScintillaDoc.html
@@ -3504,6 +3504,14 @@ struct Sci_TextToFind {
            <td></td>
            <td>Colour of fold lines</td>
          </tr>
+         <tr>
+           <th align="left"><code>SC_ELEMENT_HIDDEN_LINE</code></th>
+           <td>81</td>
+           <td>Translucent</td>
+           <td>All</td>
+           <td></td>
+           <td>Colour of line drawn to show there are lines hidden at that point</td>
+         </tr>
        </tbody>
      </table>
 
@@ -7008,6 +7016,7 @@ sptr_t CallScintilla(unsigned int iMessage, uptr_t wParam, sptr_t lParam){
      <a class="message" href="#SCI_DOCLINEFROMVISIBLE">SCI_DOCLINEFROMVISIBLE(line displayLine) &rarr; line</a><br />
      <a class="message" href="#SCI_SHOWLINES">SCI_SHOWLINES(line lineStart, line lineEnd)</a><br />
      <a class="message" href="#SCI_HIDELINES">SCI_HIDELINES(line lineStart, line lineEnd)</a><br />
+     <a class="element" href="#SC_ELEMENT_HIDDEN_LINE">SC_ELEMENT_HIDDEN_LINE : colouralpha</a><br />
      <a class="message" href="#SCI_GETLINEVISIBLE">SCI_GETLINEVISIBLE(line line) &rarr; bool</a><br />
      <a class="message" href="#SCI_GETALLLINESVISIBLE">SCI_GETALLLINESVISIBLE &rarr; bool</a><br />
      <a class="message" href="#SCI_SETFOLDLEVEL">SCI_SETFOLDLEVEL(line line, int level)</a><br />
@@ -7059,10 +7068,14 @@ sptr_t CallScintilla(unsigned int iMessage, uptr_t wParam, sptr_t lParam){
 
     <p><b id="SCI_SHOWLINES">SCI_SHOWLINES(line lineStart, line lineEnd)</b><br />
      <b id="SCI_HIDELINES">SCI_HIDELINES(line lineStart, line lineEnd)</b><br />
+     <b id="SC_ELEMENT_HIDDEN_LINE">SC_ELEMENT_HIDDEN_LINE : colouralpha</b><br />
      <b id="SCI_GETLINEVISIBLE">SCI_GETLINEVISIBLE(line line) &rarr; bool</b><br />
      <b id="SCI_GETALLLINESVISIBLE">SCI_GETALLLINESVISIBLE &rarr; bool</b><br />
      The first two messages mark a range of lines as visible or invisible and then redraw the
     display.
+    If <a class="element" href="#SCI_SETELEMENTCOLOUR"><code>SC_ELEMENT_HIDDEN_LINE</code></a>
+    is set then a horizontal line is drawn in that colour to indicate that there are hidden lines.
+    A fold line drawn in that position overrides the hidden line indicator.
     <code>SCI_GETLINEVISIBLE</code> reports on the visible state of a line and returns 1 if it is
     visible and 0 if it is not visible.
     <code>SCI_GETALLLINESVISIBLE</code> returns 1 if all lines are visible and 0
diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html
index f0c6ded0b..21f44f476 100644
--- a/doc/ScintillaHistory.html
+++ b/doc/ScintillaHistory.html
@@ -576,6 +576,7 @@
 	</li>
 	<li>
 	Add SC_ELEMENT_FOLD_LINE to set the colour of fold lines.
+	Add SC_ELEMENT_HIDDEN_LINE to show where lines are hidden.
 	</li>
 	<li>
 	Fix display of fold lines when wrapped so they are only drawn once per line, not on each subline.
-- 
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