Disable file association settings when Notepad++'s no admin right

File association feature under Windows 10 needs the Administrator's preivilege.
This commit add an explicit message to users who want to use this feature, and disable this feature if Notepad++ has no Administrator's preivilege.

Fix #4984, fix #5192, fix #4542

PowerEditor/src/MISC/RegExt/regExtDlg.cpp

@@ -27,6 +27,7 @@
 #include "Common.h"
 #include "regExtDlg.h"
 #include "resource.h"
+#include "Parameters.h"
 
 
 
@@ -78,10 +79,6 @@ const TCHAR defExtArray[nbSupportedLang][nbExtMax][extNameMax] =
 	{TEXT("customize")}
 };
 
-
-
-
-
 void RegExtDlg::doDialog(bool isRTL)
 {
 	if (isRTL)
@@ -95,7 +92,6 @@ void RegExtDlg::doDialog(bool isRTL)
 		::DialogBoxParam(_hInst, MAKEINTRESOURCE(IDD_REGEXT_BOX), _hParent, dlgProc, reinterpret_cast<LPARAM>(this));
 }
 
-
 INT_PTR CALLBACK RegExtDlg::run_dlgProc(UINT Message, WPARAM wParam, LPARAM lParam)
 {
 	switch (Message)
@@ -104,10 +100,23 @@ INT_PTR CALLBACK RegExtDlg::run_dlgProc(UINT Message, WPARAM wParam, LPARAM lPar
 		{
 			getRegisteredExts();
 			getDefSupportedExts();
-			//goToCenter();
 			::EnableWindow(::GetDlgItem(_hSelf, IDC_ADDFROMLANGEXT_BUTTON), false);
 			::EnableWindow(::GetDlgItem(_hSelf, IDC_REMOVEEXT_BUTTON), false);
-			::SendDlgItemMessage(_hSelf, IDC_CUSTOMEXT_EDIT, EM_SETLIMITTEXT, extNameMax-1, 0);
+
+			NppParameters& nppParam = NppParameters::getInstance();
+			if (!nppParam.isAdmin())
+			{
+				::EnableWindow(::GetDlgItem(_hSelf, IDC_REGEXT_LANG_LIST), false);
+				::EnableWindow(::GetDlgItem(_hSelf, IDC_REGEXT_LANGEXT_LIST), false);
+				::EnableWindow(::GetDlgItem(_hSelf, IDC_REGEXT_REGISTEREDEXTS_LIST), false);
+				::EnableWindow(::GetDlgItem(_hSelf, IDC_SUPPORTEDEXTS_STATIC), false);
+				::EnableWindow(::GetDlgItem(_hSelf, IDC_REGISTEREDEXTS_STATIC), false);
+			}
+			else
+			{
+				::ShowWindow(::GetDlgItem(_hSelf, IDC_ADMINMUSTBEONMSG_STATIC), SW_HIDE);
+				::SendDlgItemMessage(_hSelf, IDC_CUSTOMEXT_EDIT, EM_SETLIMITTEXT, extNameMax - 1, 0);
+			}
 			return TRUE;
 		}
 
@@ -292,7 +301,6 @@ INT_PTR CALLBACK RegExtDlg::run_dlgProc(UINT Message, WPARAM wParam, LPARAM lPar
 	//return FALSE;
 }
 
-
 void RegExtDlg::getRegisteredExts()
 {
 	int nbRegisteredKey = getNbSubKey(HKEY_CLASSES_ROOT);

PowerEditor/src/MISC/RegExt/regExtDlg.rc

@@ -34,6 +34,7 @@ IDD_REGEXT_BOX DIALOGEX 0, 0, 370, 180
 STYLE DS_SETFONT | DS_FIXEDSYS | WS_CHILD | DS_CONTROL
 FONT 8, TEXT("MS Shell Dlg"), 0, 0, 0x1
 BEGIN
+    LTEXT           "Please exit Notepad++ and relaunch Notepad++ in Administrator mode to use this feature.",IDC_ADMINMUSTBEONMSG_STATIC,20,0,300,16
     LTEXT           "Supported extensions:",IDC_SUPPORTEDEXTS_STATIC,70,18,80,8
     LISTBOX         IDC_REGEXT_LANG_LIST,70,30,100,125,LBS_NOINTEGRALHEIGHT | WS_VSCROLL | WS_HSCROLL | WS_TABSTOP
     LISTBOX         IDC_REGEXT_LANGEXT_LIST,175,30,80,125,LBS_NOINTEGRALHEIGHT | WS_VSCROLL | WS_HSCROLL | WS_TABSTOP
@@ -42,7 +43,6 @@ BEGIN
     PUSHBUTTON      "<-",IDC_REMOVEEXT_BUTTON,265,96,25,14
     LTEXT           "Registered extensions:",IDC_REGISTEREDEXTS_STATIC,300,18,80,8
     LISTBOX         IDC_REGEXT_REGISTEREDEXTS_LIST,300,30,80,125,LBS_NOINTEGRALHEIGHT | WS_VSCROLL | WS_HSCROLL | WS_TABSTOP
-    //CONTROL         "",IDC_POUPELLE_STATIC,"Static",SS_OWNERDRAW,301,82,20,20
 END
 
 

PowerEditor/src/MISC/RegExt/regExtDlgRc.h

@@ -37,7 +37,7 @@
 	#define IDI_POUPELLE_ICON                (IDD_REGEXT_BOX + 5)
 	#define IDC_CUSTOMEXT_EDIT               (IDD_REGEXT_BOX + 6)
 	#define IDC_REMOVEEXT_BUTTON             (IDD_REGEXT_BOX + 7)
-	#define IDC_POUPELLE_STATIC              (IDD_REGEXT_BOX + 8)
+	#define IDC_ADMINMUSTBEONMSG_STATIC      (IDD_REGEXT_BOX + 8)
 	#define IDC_SUPPORTEDEXTS_STATIC         (IDD_REGEXT_BOX + 9)
 	#define IDC_REGISTEREDEXTS_STATIC        (IDD_REGEXT_BOX + 10)
 

PowerEditor/src/Notepad_plus.cpp

@@ -134,20 +134,20 @@ Notepad_plus::Notepad_plus()
 {
 	ZeroMemory(&_prevSelectedRange, sizeof(_prevSelectedRange));
 
-
-	TiXmlDocumentA *nativeLangDocRootA = (NppParameters::getInstance()).getNativeLangA();
+	NppParameters& nppParam = NppParameters::getInstance();
+	TiXmlDocumentA *nativeLangDocRootA = nppParam.getNativeLangA();
     _nativeLangSpeaker.init(nativeLangDocRootA);
 
-	LocalizationSwitcher & localizationSwitcher = (NppParameters::getInstance()).getLocalizationSwitcher();
+	LocalizationSwitcher & localizationSwitcher = nppParam.getLocalizationSwitcher();
     const char *fn = _nativeLangSpeaker.getFileName();
     if (fn)
     {
         localizationSwitcher.setFileName(fn);
     }
 
-	(NppParameters::getInstance()).setNativeLangSpeaker(&_nativeLangSpeaker);
+	nppParam.setNativeLangSpeaker(&_nativeLangSpeaker);
 
-	TiXmlDocument *toolIconsDocRoot = (NppParameters::getInstance()).getToolIcons();
+	TiXmlDocument *toolIconsDocRoot = nppParam.getToolIcons();
 
 	if (toolIconsDocRoot)
 	{
@@ -172,6 +172,7 @@ Notepad_plus::Notepad_plus()
 	else
 		is_admin = false;
 
+	nppParam.setAdminMode(is_admin);
 	_isAdministrator = is_admin ? true : false;
 }
 

PowerEditor/src/Parameters.h

@@ -1735,6 +1735,9 @@ private:
 
 public:
 	void setShortcutDirty() { _isAnyShortcutModified = true; };
+	void setAdminMode(bool isAdmin) { _isAdminMode = isAdmin; }
+	bool isAdmin() const { return _isAdminMode; }
+
 private:
 	bool _isAnyShortcutModified = false;
 	std::vector<CommandShortcut> _shortcuts;			//main menu shortuts. Static size
@@ -1794,6 +1797,7 @@ private:
 	generic_string _wingupParams;
 	generic_string _wingupDir;
 	bool _isElevationRequired = false;
+	bool _isAdminMode = false;
 
 public:
 	generic_string getWingupFullPath() const { return _wingupFullPath; };