Initialize RTL support, see XhmikosR/notepad2-mod#217 for a better on…

…e for Arabic.

metapath/src/Dialogs.c

@@ -602,6 +602,10 @@ static INT_PTR CALLBACK GeneralPageProc(HWND hwnd, UINT umsg, WPARAM wParam, LPA
 			EnableWindow(GetDlgItem(hwnd, IDC_SAVESETTINGS), FALSE);
 		}
 
+		if (bWindowLayoutRTL) {
+			CheckDlgButton(hwnd, IDC_RTL_LAYOUT, BST_CHECKED);
+		}
+
 		if (bSingleClick) {
 			CheckDlgButton(hwnd, IDC_SINGLECLICK, BST_CHECKED);
 		}
@@ -647,6 +651,7 @@ static INT_PTR CALLBACK GeneralPageProc(HWND hwnd, UINT umsg, WPARAM wParam, LPA
 				bSaveSettings = IsButtonChecked(hwnd, IDC_SAVESETTINGS);
 			}
 
+			bWindowLayoutRTL = IsButtonChecked(hwnd, IDC_RTL_LAYOUT);
 			bSingleClick = IsButtonChecked(hwnd, IDC_SINGLECLICK);
 			bTrackSelect = IsButtonChecked(hwnd, IDC_TRACKSELECT);
 			bFullRowSelect = IsButtonChecked(hwnd, IDC_FULLROWSELECT);
@@ -1688,6 +1693,7 @@ INT_PTR CALLBACK OpenWithDlgProc(HWND hwnd, UINT umsg, WPARAM wParam, LPARAM lPa
 		SetWindowPos(GetDlgItem(hwnd, IDC_RESIZEGRIP3), NULL, cxClient - cGrip, cyClient - cGrip, cGrip, cGrip, SWP_NOZORDER);
 
 		HWND hwndLV = GetDlgItem(hwnd, IDC_OPENWITHDIR);
+		InitWindowCommon(hwndLV);
 		//SetExplorerTheme(hwndLV);
 		ListView_SetExtendedListViewStyle(hwndLV, /*LVS_EX_FULLROWSELECT | */LVS_EX_DOUBLEBUFFER | LVS_EX_LABELTIP);
 		ListView_InsertColumn(hwndLV, 0, &lvc);

metapath/src/Dialogs.h

@@ -27,6 +27,13 @@
  */
 #define APPM_CENTER_MESSAGE_BOX		(WM_APP + 1)
 
+extern BOOL bWindowLayoutRTL;
+NP2_inline void InitWindowCommon(HWND hwnd) {
+	if (bWindowLayoutRTL) {
+		SetWindowLayoutRTL(hwnd, TRUE);
+	}
+}
+
 int  ErrorMessage(int iLevel, UINT uIdMsg, ...);
 BOOL GetDirectory(HWND hwndParent, int iTitle, LPWSTR pszFolder, LPCWSTR pszBase);
 BOOL GetDirectory2(HWND hwndParent, int iTitle, LPWSTR pszFolder, int iBase);

metapath/src/Helpers.c

@@ -474,6 +474,15 @@ void SetWindowTransparentMode(HWND hwnd, BOOL bTransparentMode) {
 	}
 }
 
+void SetWindowLayoutRTL(HWND hwnd, BOOL bRTL) {
+	const LONG_PTR exStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
+	if (bRTL) {
+		SetWindowLongPtr(hwnd, GWL_EXSTYLE,  exStyle | WS_EX_LAYOUTRTL);
+	} else {
+		SetWindowLongPtr(hwnd, GWL_EXSTYLE, exStyle & ~WS_EX_LAYOUTRTL);
+	}
+}
+
 //=============================================================================
 //
 //  Toolbar_Get/SetButtons()

metapath/src/Helpers.h

@@ -266,6 +266,7 @@ void SnapToDefaultButton(HWND hwndBox);
 void MakeBitmapButton(HWND hwnd, int nCtlId, HINSTANCE hInstance, UINT uBmpId);
 void DeleteBitmapButton(HWND hwnd, int nCtlId);
 void SetWindowTransparentMode(HWND hwnd, BOOL bTransparentMode);
+void SetWindowLayoutRTL(HWND hwnd, BOOL bRTL);
 
 #define StatusSetSimple(hwnd, b)				SendMessage(hwnd, SB_SIMPLE, (b), 0)
 #define StatusSetText(hwnd, nPart, lpszText)	SendMessage(hwnd, SB_SETTEXT, (nPart), (LPARAM)(lpszText))

metapath/src/metapath.c

@@ -95,6 +95,7 @@ int		iEscFunction;
 BOOL	bFocusEdit;
 BOOL	bAlwaysOnTop;
 static BOOL bTransparentMode;
+BOOL	bWindowLayoutRTL;
 BOOL	bMinimizeToTray;
 BOOL	fUseRecycleBin;
 BOOL	fNoConfirmDelete;
@@ -722,6 +723,7 @@ LRESULT MsgCreate(HWND hwnd, WPARAM wParam, LPARAM lParam) {
 		SetWindowLongPtr(hwndDirList, GWL_EXSTYLE, GetWindowLongPtr(hwndDirList, GWL_EXSTYLE) & ~WS_EX_CLIENTEDGE);
 		SetWindowPos(hwndDirList, NULL, 0, 0, 0, 0, SWP_NOZORDER | SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED);
 	}
+	InitWindowCommon(hwndDirList);
 
 	const DWORD dwDriveBoxStyle = bShowDriveBox ? (WS_DRIVEBOX | WS_VISIBLE) : WS_DRIVEBOX;
 	hwndDriveBox = CreateWindowEx(
@@ -1745,9 +1747,14 @@ LRESULT MsgCommand(HWND hwnd, WPARAM wParam, LPARAM lParam) {
 							 hwnd, FindTargetDlgProc, 0);
 		break;
 
-	case IDM_VIEW_OPTIONS:
+	case IDM_VIEW_OPTIONS: {
+		const BOOL back = bWindowLayoutRTL;
 		OptionsPropSheet(hwnd, g_hInstance);
-		break;
+		if (back != bWindowLayoutRTL) {
+			SetWindowLayoutRTL(hwndDirList, bWindowLayoutRTL);
+		}
+	}
+	break;
 
 	case IDM_SORT_NAME:
 		nSortFlags = DS_NAME;
@@ -2361,6 +2368,7 @@ void LoadSettings(void) {
 	bAlwaysOnTop = IniSectionGetBool(pIniSection, L"AlwaysOnTop", 0);
 	bMinimizeToTray = IniSectionGetBool(pIniSection, L"MinimizeToTray", 0);
 	bTransparentMode = IniSectionGetBool(pIniSection, L"TransparentMode", 0);
+	bWindowLayoutRTL = IniSectionGetBool(pIniSection, L"WindowLayoutRTL", 0);
 
 	iEscFunction = IniSectionGetInt(pIniSection, L"EscFunction", 0);
 	iEscFunction = clamp_i(iEscFunction, 0, 2);
@@ -2547,6 +2555,7 @@ void SaveSettings(BOOL bSaveSettingsNow) {
 	IniSectionSetBoolEx(pIniSection, L"AlwaysOnTop", bAlwaysOnTop, 0);
 	IniSectionSetBoolEx(pIniSection, L"MinimizeToTray", bMinimizeToTray, 0);
 	IniSectionSetBoolEx(pIniSection, L"TransparentMode", bTransparentMode, 0);
+	IniSectionSetBoolEx(pIniSection, L"WindowLayoutRTL", bWindowLayoutRTL, 0);
 	IniSectionSetBoolEx(pIniSection, L"EscFunction", iEscFunction, 0);
 
 	IniSectionSetIntEx(pIniSection, L"StartupDirectory", iStartupDir, 1);

metapath/src/metapath.rc

@@ -320,8 +320,7 @@ STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | WS_POPUP | WS_CAPTION |
 CAPTION "New Directory"
 FONT 8, "MS Shell Dlg", 0, 0, 0x0
 BEGIN
-    LTEXT           "Enter the name for the new directory:",IDC_STATIC,7,7,
-                    158,8
+    LTEXT           "Enter the name for the new directory:",IDC_STATIC,7,7,158,8
     EDITTEXT        IDC_NEWDIR,7,22,158,13,ES_AUTOHSCROLL
     DEFPUSHBUTTON   "OK",IDOK,59,45,50,14,WS_DISABLED
     PUSHBUTTON      "Cancel",IDCANCEL,115,45,50,14
@@ -342,10 +341,8 @@ BEGIN
     PUSHBUTTON      "",IDC_BROWSEDESTINATION,210,48,13,13
     CONTROL         "<a>Clear Recent History</a>",IDC_EMPTY_MRU,"SysLink",WS_TABSTOP,154,37,70,10
     LTEXT           "Action:",IDC_STATIC,7,72,24,8
-    CONTROL         "&Copy",IDC_FUNCCOPY,"Button",BS_AUTORADIOBUTTON |
-                    WS_TABSTOP,35,71,33,10
-    CONTROL         "&Move",IDC_FUNCMOVE,"Button",BS_AUTORADIOBUTTON,68,71,
-                    33,10
+    CONTROL         "&Copy",IDC_FUNCCOPY,"Button",BS_AUTORADIOBUTTON | WS_TABSTOP,35,71,33,10
+    CONTROL         "&Move",IDC_FUNCMOVE,"Button",BS_AUTORADIOBUTTON,68,71,33,10
     DEFPUSHBUTTON   "OK",IDOK,117,74,50,14,WS_DISABLED
     PUSHBUTTON      "Cancel",IDCANCEL,173,74,50,14
     SCROLLBAR       IDC_RESIZEGRIP2,7,78,10,10
@@ -360,25 +357,23 @@ BEGIN
     ICON            IDI_OPTIONS,IDC_STATIC,10,10,20,20
     LTEXT           "Specify general program settings for metapath.",
                     IDC_STATIC,40,15,200,8
+    CONTROL         "Use &RTL Layout.",
+                    IDC_RTL_LAYOUT,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,34,190,10
     CONTROL         "&Allow only single mouse-click to open objects.",
-                    IDC_SINGLECLICK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,
-                    46,190,10
+                    IDC_SINGLECLICK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,46,190,10
     CONTROL         "&Enable track selection.",IDC_TRACKSELECT,"Button",
                     BS_AUTOCHECKBOX | WS_TABSTOP,10,58,100,10
     CONTROL         "Enable &full row selection.",IDC_FULLROWSELECT,"Button",
                     BS_AUTOCHECKBOX | WS_TABSTOP,10,70,120,10
     CONTROL         "Always a&ctivate target window when a file is opened.",
-                    IDC_FOCUSEDIT,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,
-                    82,220,10
+                    IDC_FOCUSEDIT,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,82,220,10
     CONTROL         "",IDC_STATIC,"Static",SS_ETCHEDHORZ,10,100,205,1
     CONTROL         "&Keep metapath window always on top.",IDC_ALWAYSONTOP,
                     "Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,109,150,10
     CONTROL         "&Minimize to system tray (click to reactivate).",
-                    IDC_MINIMIZETOTRAY,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,
-                    10,121,200,10
+                    IDC_MINIMIZETOTRAY,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,121,200,10
     CONTROL         "&Try to reuse existing window when metapath is started.",
-                    IDC_REUSEWINDOW,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,
-                    133,220,10
+                    IDC_REUSEWINDOW,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,133,220,10
     CONTROL			"<a>Clear window position history</a>",IDC_CLEARWINPOS,"SysLink",WS_TABSTOP,20,145,103,12
     CONTROL         "",IDC_STATIC,"Static",SS_ETCHEDHORZ,10,161,205,1
     CONTROL         "&Save settings on exit.",IDC_SAVESETTINGS,"Button",
@@ -402,17 +397,13 @@ BEGIN
                     BS_AUTORADIOBUTTON,114,58,90,10
     CONTROL         "",IDC_STATIC,"Static",SS_ETCHEDHORZ,10,76,205,1
     CONTROL         "&Clear read-only attribute of saved files.",
-                    IDC_CLEARREADONLY,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,
-                    10,85,172,10
+                    IDC_CLEARREADONLY,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,85,172,10
     CONTROL         "Rename copied files on &name collisions.",
-                    IDC_RENAMEONCOLLISION,"Button",BS_AUTOCHECKBOX |
-                    WS_TABSTOP,10,97,164,10
+                    IDC_RENAMEONCOLLISION,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,97,164,10
     CONTROL         "&Move deleted files to the recycle bin.",
-                    IDC_USERECYCLEBIN,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,
-                    10,109,160,10
+                    IDC_USERECYCLEBIN,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,109,160,10
     CONTROL         "&Don't confirm file delete (not recommended).",
-                    IDC_NOCONFIRMDELETE,"Button",BS_AUTOCHECKBOX |
-                    WS_TABSTOP,10,121,184,10
+                    IDC_NOCONFIRMDELETE,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,10,121,184,10
     CONTROL         "",IDC_STATIC,"Static",SS_ETCHEDHORZ,10,139,205,1
     CONTROL         "Enable ""&Esc"" key to...",IDC_ESCFUNCTION,"Button",
                     BS_AUTOCHECKBOX | WS_GROUP | WS_TABSTOP,10,148,104,10
@@ -429,25 +420,21 @@ CAPTION "Items"
 FONT 8, "MS Shell Dlg", 0, 0, 0x0
 BEGIN
     ICON            IDI_ITEMS,IDC_STATIC,10,10,21,20
-    LTEXT           "Appearance of items in directory list.",IDC_STATIC,40,
-                    15,160,8
+    LTEXT           "Appearance of items in directory list.",IDC_STATIC,40,15,160,8
     GROUPBOX        "Colors",IDC_STATIC,10,41,205,134
-    LTEXT           "Use this text color when NO FILTER is SET:",IDC_STATIC,
-                    20,54,170,8
+    LTEXT           "Use this text color when NO FILTER is SET:",IDC_STATIC,20,54,170,8
     CONTROL         "Default &windows color.",IDC_COLOR_DEF1,"Button",
                     BS_AUTORADIOBUTTON | WS_TABSTOP,20,68,96,10
     CONTROL         "Custom &color:",IDC_COLOR_CUST1,"Button",
                     BS_AUTORADIOBUTTON,20,82,60,10
     EDITTEXT        IDC_COLOR_SAMP1,85,80,30,14,ES_AUTOHSCROLL | WS_DISABLED
     PUSHBUTTON      "Pick Color...",IDC_COLOR_PICK1,120,80,60,14
-    LTEXT           "Use this text color when a FILTER is ACTIVE:",
-                    IDC_STATIC,20,105,180,8
+    LTEXT           "Use this text color when a FILTER is ACTIVE:",IDC_STATIC,20,105,180,8
     CONTROL         "D&efault windows color.",IDC_COLOR_DEF2,"Button",
                     BS_AUTORADIOBUTTON | WS_TABSTOP,20,120,95,10
     CONTROL         "C&ustom color:",IDC_COLOR_CUST2,"Button",
                     BS_AUTORADIOBUTTON,20,133,60,10
-    EDITTEXT        IDC_COLOR_SAMP2,86,130,30,14,ES_AUTOHSCROLL |
-                    WS_DISABLED
+    EDITTEXT        IDC_COLOR_SAMP2,86,130,30,14,ES_AUTOHSCROLL | WS_DISABLED
     PUSHBUTTON      "Pick Color...",IDC_COLOR_PICK2,120,130,60,14
 END
 
@@ -458,10 +445,8 @@ CAPTION "Locations"
 FONT 8, "MS Shell Dlg", 0, 0, 0x0
 BEGIN
     ICON            IDI_PROGS,IDC_STATIC,10,10,20,20
-    LTEXT           "Specify external programs and paths.",IDC_STATIC,40,15,
-                    180,8
-    LTEXT           "&Default ""Quick View"" program (Ctrl+Q):",IDC_STATIC,
-                    10,41,180,8
+    LTEXT           "Specify external programs and paths.",IDC_STATIC,40,15,180,8
+    LTEXT           "&Default ""Quick View"" program (Ctrl+Q):",IDC_STATIC,10,41,180,8
     EDITTEXT        IDC_QUICKVIEW,10,52,191,13,ES_AUTOHSCROLL
     PUSHBUTTON      "",IDC_BROWSE_Q,203,52,13,13,BS_BITMAP
     LTEXT           "&Favorites Folder (F11):",IDC_STATIC,10,76,120,8
@@ -476,8 +461,7 @@ CAPTION "Target Application"
 FONT 8, "MS Shell Dlg", 400, 0, 0x1
 BEGIN
     CONTROL         "Don't use any specific target application, simply launch the selected file.",
-                    IDC_LAUNCH,"Button",BS_AUTORADIOBUTTON | WS_GROUP |
-                    WS_TABSTOP,7,7,260,10
+                    IDC_LAUNCH,"Button",BS_AUTORADIOBUTTON | WS_GROUP | WS_TABSTOP,7,7,260,10
     CONTROL         "Use the following target application:",IDC_TARGET,
                     "Button",BS_AUTORADIOBUTTON | WS_TABSTOP,7,21,160,10
     LTEXT           "Specify the action if the target applicatoin is already running:",
@@ -486,11 +470,9 @@ BEGIN
     PUSHBUTTON      "",IDC_BROWSE,250,35,15,14,BS_BITMAP
     LTEXT           "Message:",IDC_STATIC,20,120,32,8
     CONTROL         "None, run target application each time a file is opened.",
-                    IDC_ALWAYSRUN,"Button",BS_AUTORADIOBUTTON | WS_GROUP |
-                    WS_TABSTOP,7,78,240,10
+                    IDC_ALWAYSRUN,"Button",BS_AUTORADIOBUTTON | WS_GROUP | WS_TABSTOP,7,78,240,10
     CONTROL         "Send a file open message to target application window:",
-                    IDC_SENDDROPMSG,"Button",BS_AUTORADIOBUTTON | WS_TABSTOP,
-                    7,92,194,10
+                    IDC_SENDDROPMSG,"Button",BS_AUTORADIOBUTTON | WS_TABSTOP,7,92,194,10
     CONTROL         "Execute the following DDE command:",IDC_USEDDE,"Button",
                     BS_AUTORADIOBUTTON | WS_TABSTOP,7,106,160,10
     LTEXT           "Application:",IDC_STATIC,128,120,46,8

metapath/src/resource.h

@@ -97,6 +97,7 @@
 #define IDC_ESCEXIT                     109
 #define IDD_FINDWIN                     109
 #define IDC_DDEAPP                      109
+#define IDC_RTL_LAYOUT					109
 #define IDC_NEW_PAGE_TEXT				109
 #define IDC_NEW_PAGE_LINK				110
 #define IDPP_GENERAL                    110

readme.md

@@ -162,7 +162,7 @@
 * Support [adding Notepad2 to Windows explorer context menu](https://github.com/zufuliu/notepad2/wiki/Open-with-Notepad2)
 * Per-Monitor DPI-Aware, improved high DPI display
 * Support rendering using Direct2D DirectWrite, and switch between GDI and Direct2D
-* Support bidirectional, useful for Arabic and Hebrew
+* Experimental support for RTL layout (GDI) and bidirectional (Direct2D), useful for Arabic and Hebrew
 * Support using fractional font size
 * Support Inline IME
 * Extra support for drag and drop file from Visual Studio, Android Studio, IntelliJ IDEA, etc.

src/Dialogs.c

@@ -493,6 +493,7 @@ static INT_PTR CALLBACK OpenWithDlgProc(HWND hwnd, UINT umsg, WPARAM wParam, LPA
 		ResizeDlg_Init(hwnd, cxOpenWithDlg, cyOpenWithDlg, IDC_RESIZEGRIP3);
 
 		HWND hwndLV = GetDlgItem(hwnd, IDC_OPENWITHDIR);
+		InitWindowCommon(hwndLV);
 		//SetExplorerTheme(hwndLV);
 		ListView_SetExtendedListViewStyle(hwndLV, /*LVS_EX_FULLROWSELECT|*/LVS_EX_DOUBLEBUFFER | LVS_EX_LABELTIP);
 
@@ -668,6 +669,7 @@ static INT_PTR CALLBACK FavoritesDlgProc(HWND hwnd, UINT umsg, WPARAM wParam, LP
 		ResizeDlg_Init(hwnd, cxFavoritesDlg, cyFavoritesDlg, IDC_RESIZEGRIP3);
 
 		HWND hwndLV = GetDlgItem(hwnd, IDC_FAVORITESDIR);
+		InitWindowCommon(hwndLV);
 		//SetExplorerTheme(hwndLV);
 		ListView_SetExtendedListViewStyle(hwndLV, /*LVS_EX_FULLROWSELECT|*/LVS_EX_DOUBLEBUFFER | LVS_EX_LABELTIP);
 		ListView_InsertColumn(hwndLV, 0, &lvc);
@@ -958,6 +960,7 @@ static INT_PTR CALLBACK FileMRUDlgProc(HWND hwnd, UINT umsg, WPARAM wParam, LPAR
 
 		LVCOLUMN lvc = { LVCF_FMT | LVCF_TEXT,  LVCFMT_LEFT,  0,  L"",  -1,  0,  0,  0 };
 		HWND hwndLV = GetDlgItem(hwnd, IDC_FILEMRU);
+		InitWindowCommon(hwndLV);
 
 		LPICONTHREADINFO lpit = (LPVOID)GlobalAlloc(GPTR, sizeof(ICONTHREADINFO));
 		SetProp(hwnd, L"it", (HANDLE)lpit);
@@ -1725,6 +1728,7 @@ static INT_PTR CALLBACK SelectEncodingDlgProc(HWND hwnd, UINT umsg, WPARAM wPara
 		ListView_SetImageList(GetDlgItem(hwnd, IDC_ENCODINGLIST), himl, LVSIL_SMALL);
 
 		HWND hwndLV = GetDlgItem(hwnd, IDC_ENCODINGLIST);
+		InitWindowCommon(hwndLV);
 		//SetExplorerTheme(hwndLV);
 		ListView_SetExtendedListViewStyle(hwndLV, /*LVS_EX_FULLROWSELECT|*/LVS_EX_DOUBLEBUFFER | LVS_EX_LABELTIP);
 		ListView_InsertColumn(hwndLV, 0, &lvc);

src/Dialogs.h

@@ -34,6 +34,13 @@
  */
 #define APPM_CENTER_MESSAGE_BOX		(WM_APP + 1)
 
+extern BOOL bWindowLayoutRTL;
+NP2_inline void InitWindowCommon(HWND hwnd) {
+	if (bWindowLayoutRTL) {
+		SetWindowLayoutRTL(hwnd, TRUE);
+	}
+}
+
 int 	MsgBox(int iType, UINT uIdMsg, ...);
 void	DisplayCmdLineHelp(HWND hwnd);
 void	OpenHelpLink(HWND hwnd, int cmd);

src/Helpers.c

@@ -598,6 +598,15 @@ void SetWindowTransparentMode(HWND hwnd, BOOL bTransparentMode) {
 	}
 }
 
+void SetWindowLayoutRTL(HWND hwnd, BOOL bRTL) {
+	const LONG_PTR exStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
+	if (bRTL) {
+		SetWindowLongPtr(hwnd, GWL_EXSTYLE,  exStyle | WS_EX_LAYOUTRTL);
+	} else {
+		SetWindowLongPtr(hwnd, GWL_EXSTYLE, exStyle & ~WS_EX_LAYOUTRTL);
+	}
+}
+
 //=============================================================================
 //
 // CenterDlgInParentEx()

src/Helpers.h

@@ -88,7 +88,7 @@ NP2_inline BOOL StrToFloat(LPCWSTR str, float *value) {
 NP2_inline BOOL CRTStrToInt(LPCWSTR str, int *value) {
 	LPWSTR end;
 	*value = (int)wcstol(str, &end, 10);
-	return str != end;	
+	return str != end;
 }
 
 // str MUST NOT be NULL, can be empty
@@ -365,6 +365,7 @@ BOOL SetWindowTitle(HWND hwnd, UINT uIDAppName, BOOL bIsElevated, UINT uIDUntitl
 					LPCWSTR lpszFile, int iFormat, BOOL bModified,
 					UINT uIDReadOnly, BOOL bReadOnly, LPCWSTR lpszExcerpt);
 void SetWindowTransparentMode(HWND hwnd, BOOL bTransparentMode);
+void SetWindowLayoutRTL(HWND hwnd, BOOL bRTL);
 
 void CenterDlgInParentEx(HWND hDlg, HWND hParent);
 NP2_inline void CenterDlgInParent(HWND hDlg) {