+ enh: CallTip in case of possible "Zero-Length Match" on regular expression search

language/common_res.h

@@ -125,6 +125,7 @@
 #define IDS_MUI_TRANSL_AUTHOR           15031
 #define IDS_MUI_ASSOCIATED_EXT          15032
 #define IDS_MUI_EXAMPLE_TEXT            15033
+#define IDS_MUI_ZERO_LEN_MATCH          15034
 
 #define IDR_MAINWND                     16000
 #define IDR_MAINWND48                   16001

np3portableapp/build_np3portableapp.cmd

@@ -66,6 +66,7 @@ set FILEVER=
 call :GETFILEVER "%NP3_WIN32_DIR%\Notepad3.exe"
 if defined FILEVER set VERSION=%FILEVER%
 
+
 ::echo.VERSION=%VERSION%
 ::pause
 ::goto :END
@@ -110,16 +111,11 @@ copy /B "%NP3_X64_DIR%\ced.exe" /B "%NP3_PORTAPP_DIR%\App\Notepad3\x64\" /Y /V
 
 call :REPLACE "xxxVERSIONxxx" "%NP3_PORTAPP_INFO%_template.ini" "%VERSION%" "%NP3_PORTAPP_INFO%_tmp.ini"
 
-:: DEVNAME need some mor PortableApps preparation, so set empty for now
-set DEVNAME=
-
-if defined DEVNAME (
-  call :REPLACE "xxxDEVNAMExxx" "%NP3_PORTAPP_INFO%_tmp.ini" "_%DEVNAME%" "%NP3_PORTAPP_INFO%.ini"
-  call :REPLACE "xxxDEVNAMExxx" "%NP3_PORTAPP_INSTALL%_template.ini" "_%DEVNAME%" "%NP3_PORTAPP_INSTALL%.ini"
-) else (
-  call :REPLACE "xxxDEVNAMExxx" "%NP3_PORTAPP_INFO%_tmp.ini" "" "%NP3_PORTAPP_INFO%.ini"
-  call :REPLACE "xxxDEVNAMExxx" "%NP3_PORTAPP_INSTALL%_template.ini" "" "%NP3_PORTAPP_INSTALL%.ini"
-)
+:: DEVNAME need some more PortableApps preparation
+::~  call :REPLACE "xxxDEVNAMExxx" "%NP3_PORTAPP_INFO%_tmp.ini" "_%DEVNAME%" "%NP3_PORTAPP_INFO%.ini"
+::~  call :REPLACE "xxxDEVNAMExxx" "%NP3_PORTAPP_INSTALL%_template.ini" "_%DEVNAME%" "%NP3_PORTAPP_INSTALL%.ini"
+call :REPLACE "xxxDEVNAMExxx" "%NP3_PORTAPP_INFO%_tmp.ini" "" "%NP3_PORTAPP_INFO%.ini"
+call :REPLACE "xxxDEVNAMExxx" "%NP3_PORTAPP_INSTALL%_template.ini" "" "%NP3_PORTAPP_INSTALL%.ini"
 
 del /F "%NP3_PORTAPP_INFO%_tmp.ini"
 
@@ -136,8 +132,8 @@ del /F "%NP3_PORTAPP_INFO%_tmp.ini"
 :: - build Installer -
 "%PORTAPP_INSTALLER_CREATOR%" "%NP3_PORTAPP_DIR%"
 
-
-
+:: rename
+rename "%SCRIPT_DIR%Notepad3Portable_%VERSION%_English.paf.exe" "Notepad3Portable_%DEVNAME%_%VERSION%_English.paf.exe"
 
 :: ====================================================================================================================
 goto :END
@@ -181,7 +177,6 @@ for /F "tokens=2 delims==" %%a in ('
 goto:EOF
 :: --------------------------------------------------------------------------------------------------------------------
 
-
 :GETBUILD
 set /p nxbuild=<%NP3_BUILD_VER%
 set /a BUILD = %nxbuild% - 1

src/Edit.c

@@ -5936,6 +5936,8 @@ bool EditFindNext(HWND hwnd, LPCEDITFINDREPLACE lpefr, bool bExtendSelection, bo
       bSuppressNotFound = true;
   }
 
+  SciCall_CallTipCancel();
+
   DocPos iPos = _FindInTarget(hwnd, szFind, slen, (int)(lpefr->fuFlags), &start, &end, true, FRMOD_NORM);
 
   if ((iPos < -1) && (lpefr->fuFlags & SCFIND_REGEXP)) {
@@ -5975,6 +5977,10 @@ bool EditFindNext(HWND hwnd, LPCEDITFINDREPLACE lpefr, bool bExtendSelection, bo
   else {
     EditSelectEx(hwnd, start, end, -1, -1);
   }
+
+  if (start == end) {
+    EditShowZeroLengthCallTip(hwnd, start);
+  }
   return true;
 }
 
@@ -8320,6 +8326,23 @@ void EditShowZoomCallTip(HWND hwnd)
 }
 
 
+//=============================================================================
+//
+//  EditShowZoomCallTip()
+//
+static char s_chZeroLenCT[80] = { '\0' };
+
+void EditShowZeroLengthCallTip(HWND hwnd, DocPos iPosition)
+{
+  UNUSED(hwnd);
+  if (s_chZeroLenCT[0] == '\0') {
+    GetLngStringW2MB(IDS_MUI_ZERO_LEN_MATCH, s_chZeroLenCT, COUNTOF(s_chZeroLenCT));
+  }
+  SciCall_CallTipShow(iPosition, s_chZeroLenCT);
+  g_CallTipType = CT_ZEROLEN_MATCH;
+}
+
+
 
 //=============================================================================
 //

src/Edit.h

@@ -170,6 +170,7 @@ void EditFoldClick(DocLn, int);
 void EditFoldAltArrow(FOLD_MOVE, FOLD_ACTION);
 
 void EditShowZoomCallTip(HWND hwnd);
+void EditShowZeroLengthCallTip(HWND hwnd, DocPos iPosition);
 
 #define NP3_BRACES_TO_MATCH "()[]{}"
 

src/Helpers.c

@@ -716,7 +716,6 @@ bool IsCmdEnabled(HWND hwnd,UINT uId)
 
 }
 
-
 //=============================================================================
 //
 //  LoadLngStringW()
@@ -727,6 +726,19 @@ int LoadLngStringW(UINT uID, LPWSTR lpBuffer, int nBufferMax)
   return (nLen != 0) ? nLen : LoadStringW(g_hInstance, uID, lpBuffer, nBufferMax);
 }
 
+//=============================================================================
+//
+//  LoadLngStringW2MB()
+//
+static WCHAR s_tmpStringBuffer[512];
+
+int LoadLngStringW2MB(UINT uID, LPSTR lpBuffer, int nBufferMax)
+{
+  const int nLen = LoadStringW(g_hLngResContainer, uID, s_tmpStringBuffer, COUNTOF(s_tmpStringBuffer));
+  if (nLen == 0) { LoadStringW(g_hInstance, uID, s_tmpStringBuffer, COUNTOF(s_tmpStringBuffer)); }
+  return WideCharToMultiByte(CP_UTF8, 0, s_tmpStringBuffer, -1, lpBuffer, nBufferMax, NULL, NULL);
+}
+
 //=============================================================================
 //
 //  LoadLngStringA()

src/Helpers.h

@@ -220,12 +220,16 @@ bool IsCmdEnabled(HWND, UINT);
   if (GetFocus() == hctrl) { SendMessage((hdlg), WM_NEXTDLGCTL, 0, false); } }; EnableWindow(hctrl, (b)); }
 
 
-#define GetLngString(id,pb,cb) LoadLngStringW((id),(pb),(cb))
-#define GetLngStringA(id,pb,cb) LoadLngStringA((id),(pb),(cb))
 int LoadLngStringW(UINT uID, LPWSTR lpBuffer, int nBufferMax);
 int LoadLngStringA(UINT uID, LPSTR lpBuffer, int nBufferMax);
 int FormatLngStringW(LPWSTR, int, UINT, ...);
 int FormatLngStringA(LPSTR, int, UINT, ...);
+int LoadLngStringW2MB(UINT uID, LPSTR lpBuffer, int nBufferMax);
+
+#define GetLngString(id,pb,cb) LoadLngStringW((id),(pb),(cb))
+#define GetLngStringA(id,pb,cb) LoadLngStringA((id),(pb),(cb))
+#define GetLngStringW2MB(id,pb,cb) LoadLngStringW2MB((id),(pb),(cb))
+
 
 
 bool GetKnownFolderPath(REFKNOWNFOLDERID, LPWSTR, size_t);

src/Notepad3.c

@@ -6304,8 +6304,8 @@ LRESULT MsgNotify(HWND hwnd, WPARAM wParam, LPARAM lParam)
 
         case SCN_CHARADDED:
           {
-            if (g_CallTipType == CT_ZOOM) {
-              SciCall_CallTipCancel();
+            if (g_CallTipType != CT_NONE) { 
+              SciCall_CallTipCancel();   
               g_CallTipType = CT_NONE;
             }
 

src/TypeDefs.h

@@ -120,7 +120,7 @@ typedef enum {
 
 // --------------------------------------------------------------------------
 
-typedef enum { CT_NONE = 0, CT_ZOOM } CALLTIPTYPE;
+typedef enum { CT_NONE = 0, CT_ZOOM, CT_ZEROLEN_MATCH } CALLTIPTYPE;
 
 // --------------------------------------------------------------------------