From 90016a8dc0c470882c698c396d1b7e04c38cac0b Mon Sep 17 00:00:00 2001
From: Don HO <don.h@free.fr>
Date: Tue, 13 Apr 2021 03:38:40 +0200
Subject: [PATCH] Enhance Distraction Free mode by hidding another view

---
 PowerEditor/src/Notepad_plus.cpp | 33 +++++++++++++++++++++++++++-----
 PowerEditor/src/Notepad_plus.h   |  9 ++++++---
 2 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/PowerEditor/src/Notepad_plus.cpp b/PowerEditor/src/Notepad_plus.cpp
index c09d0aa18..7d4cc6316 100644
--- a/PowerEditor/src/Notepad_plus.cpp
+++ b/PowerEditor/src/Notepad_plus.cpp
@@ -5466,21 +5466,44 @@ void Notepad_plus::distractionFreeToggle()
 	const ScintillaViewParams& svp = NppParameters::getInstance().getSVP();
 	int paddingLeft = 0;
 	int paddingRight = 0;
+	
 
 	// Enable or disable Distraction Free Mode
-	if (_beforeSpecialView._isDistractionFree)
+	if (_beforeSpecialView._isDistractionFree) // disable it
 	{
-		// disable it
+		// restore padding
 		paddingLeft = svp._paddingLeft;
 		paddingRight = svp._paddingRight;
 
+		// restore another view if 2 views mode was on
+		if (_beforeSpecialView._was2ViewModeOn)
+		{
+			showView(otherView());
+			_beforeSpecialView._was2ViewModeOn = false;
+		}
+
+		// hide restore button
 		_restoreButton.setButtonStatus(0);
 		_restoreButton.display(false);
 	}
-	else
+	else // enable it
 	{
-		// enable it
-		paddingLeft = paddingRight = svp.getDistractionFreePadding(_pEditView->getWidth());;
+		// set padding
+		paddingLeft = paddingRight = svp.getDistractionFreePadding(_pEditView->getWidth());
+
+		// check if 2 views mode is on
+		ScintillaEditView & nonFocusedView = (otherView() == MAIN_VIEW) ? _mainEditView : _subEditView;
+		if (nonFocusedView.isVisible())
+		{
+			hideView(otherView());
+			_beforeSpecialView._was2ViewModeOn = true;
+		}
+		else
+		{
+			_beforeSpecialView._was2ViewModeOn = false;
+		}
+
+		// set state of restore button (it's already shown by fullScreen & postIt toggling)
 		_restoreButton.setButtonStatus(buttonStatus_distractionFree);
 	}
 
diff --git a/PowerEditor/src/Notepad_plus.h b/PowerEditor/src/Notepad_plus.h
index 890547463..751952f17 100644
--- a/PowerEditor/src/Notepad_plus.h
+++ b/PowerEditor/src/Notepad_plus.h
@@ -84,18 +84,21 @@ struct VisibleGUIConf final
 	bool _isFullScreen = false;
 	bool _isDistractionFree = false;
 
-	//Used by 3 modes
+	//Used by postit & fullscreen
 	bool _isMenuShown = true;
 	DWORD_PTR _preStyle = (WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN);
 
-	//used by postit & distractionFree
+	//used by postit
 	bool _isTabbarShown = true;
 	bool _isAlwaysOnTop = false;
 	bool _isStatusbarShown = true;
 
-	//used by fullscreen & distractionFree
+	//used by fullscreen
 	WINDOWPLACEMENT _winPlace;
 
+	//used by distractionFree
+	bool _was2ViewModeOn = false;
+
 	VisibleGUIConf()
 	{
 		memset(&_winPlace, 0x0, sizeof(_winPlace));