# HG changeset patch
# User Dimitar Radev
# Date 1517896632 -39600
# Node ID 1280ef150bbb364e25d01bf04146305389123e78
# Parent  431b814a54a62d81c8069655bbbebec7bda782e3
[Bug #1983] Fix double tap word selection on Windows 10 1709 Fall Creators Update.
Times of observed mouse events went backwards causing unsigned overflow.

diff -r 431b814a54a6 -r 1280ef150bbb doc/ScintillaHistory.html
--- a/doc/ScintillaHistory.html	Fri Feb 02 14:34:55 2018 +1100
+++ b/doc/ScintillaHistory.html	Tue Feb 06 16:57:12 2018 +1100
@@ -519,6 +519,7 @@
       </tr><tr>
 	<td>Georger Araújo</td>
 	<td>Tobias Kühne</td>
+	<td>Dimitar Radev</td>
     </tr>
     </table>
     <p>
@@ -557,6 +558,10 @@
 	Improve VHDL lexer's handling of character literals and escape characters in strings.
 	</li>
 	<li>
+	Fix double tap word selection on Windows 10 1709 Fall Creators Update.
+	<a href="http://sourceforge.net/p/scintilla/bugs/1983/">Bug #1983</a>.
+	</li>
+	<li>
 	Fix closing autocompletion lists on Cocoa for macOS 10.13 where the window
 	was emptying but staying visible.
 	<a href="http://sourceforge.net/p/scintilla/bugs/1981/">Bug #1981</a>.
diff -r 431b814a54a6 -r 1280ef150bbb src/Editor.cxx
--- a/src/Editor.cxx	Fri Feb 02 14:34:55 2018 +1100
+++ b/src/Editor.cxx	Tue Feb 06 16:57:12 2018 +1100
@@ -4455,7 +4455,7 @@
 	if (shift && !inSelMargin) {
 		SetSelection(newPos);
 	}
-	if (((curTime - lastClickTime) < Platform::DoubleClickTime()) && Close(pt, lastClick, doubleClickCloseThreshold)) {
+	if ((curTime < (lastClickTime+Platform::DoubleClickTime())) && Close(pt, lastClick, doubleClickCloseThreshold)) {
 		//Platform::DebugPrintf("Double click %d %d = %d\n", curTime, lastClickTime, curTime - lastClickTime);
 		SetMouseCapture(true);
 		FineTickerStart(tickScroll, 100, 10);