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improved monitoring for PDF updates: use Windows notications to monitor the LyX tmpbuf instead of polling the PDF file
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@24141 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Joost Verburg
parent
60ef4c5bd9
commit
c4e4fe6e2d
@ -13,13 +13,16 @@ http://magic.aladdin.cs.cmu.edu/2005/07/15/pdfopen-and-pdfclose/
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*/
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!include "LogicLib.nsh"
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!include "FileFunc.nsh"
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!include LogicLib.nsh
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!include FileFunc.nsh
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# Functions from FileFunc.nsh
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!insertmacro GetParameters
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!insertmacro GetFileName
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!insertmacro GetParent
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#--------------------------------
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#Settings
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# Settings
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Caption "PDF Viewer"
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OutFile pdfview.exe
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@ -27,34 +30,48 @@ Icon "..\packaging\icons\lyx_32x32.ico"
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SilentInstall silent
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#--------------------------------
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#Windows Vista settings
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# Windows Vista settings
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RequestExecutionLevel user
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#--------------------------------
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#Constants
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# Constants
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!define FALSE 0
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!define TRUE 1
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#--------------------------------
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#Variables
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!define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
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!define WAIT_TIMEOUT 0x00000102
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#--------------------------------
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# Variables
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Var Character
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Var RunAppReturn
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Var Dummy
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Var OriginalFile
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Var OriginalFileName
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Var OriginalDir
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Var PDFFile
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Var Viewer
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Var ChangeNotification
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Var WaitReturn
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Var LockedFile
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Var OriginalTimeHigh
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Var OriginalTimeLow
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Var CurrentTimeHigh
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Var CurrentTimeLow
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#--------------------------------
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#Macros
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# Macros
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!macro SystemCall STACK
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# Call a Windows API function
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Push `${STACK}`
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CallInstDLL "$EXEDIR\System.dll" Call
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@ -62,118 +79,128 @@ Var CurrentTimeLow
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!macro HideConsole COMMAND_LINE
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# Run an application and hide console output
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Push `${COMMAND_LINE}`
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CallInstDLL "$EXEDIR\Console.dll" Exec
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Pop $Dummy
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Pop $RunAppReturn
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${if} $Dummy == "error"
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MessageBox MB_OK|MB_ICONSTOP "Error opening PDF file $R0."
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${endif}
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${If} $RunAppReturn == "error"
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MessageBox MB_OK|MB_ICONSTOP "Error opening PDF file $PDFFile."
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${EndIf}
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!macroend
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#--------------------------------
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#PDF vieweing
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# PDF vieweing
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Section "View PDF file"
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InitPluginsDir #Temporary directory for PDF file
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InitPluginsDir # Temporary directory for PDF file
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#Command line parameters
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Call GetParameters
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Pop $OriginalFile
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# Command line parameters
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${GetParameters} $OriginalFile
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#Trim quotes
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StrCpy $Dummy $OriginalFile 1
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${if} $Dummy == '"'
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# Trim quotes
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StrCpy $Character $OriginalFile 1
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${If} $Character == '"'
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StrCpy $OriginalFile $OriginalFile "" 1
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${endif}
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StrCpy $Dummy $OriginalFile 1 -1
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${if} $Dummy == '"'
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${EndIf}
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StrCpy $Character $OriginalFile 1 -1
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${If} $Character == '"'
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StrCpy $OriginalFile $OriginalFile -1
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${endif}
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${EndIf}
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GetFullPathName $OriginalFile $OriginalFile
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Push $OriginalFile
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Call GetFileName
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Pop $OriginalFileName
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${GetFileName} $OriginalFile $OriginalFileName
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${GetParent} $OriginalFile $OriginalDir
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SetOutPath $TEMP #The LyX tmpbuf should not be locked
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SetOutPath $TEMP # The LyX tmpbuf should not be locked
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StrCpy $PDFFile $PLUGINSDIR\$OriginalFileName
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#Check whether the file will be opened with Adobe Reader or Adobe Acrobat
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Push $OriginalFile
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!insertmacro SystemCall "shell32::FindExecutable(t s, t '', t .s)"
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# Check whether the file will be opened with Adobe Reader or Adobe Acrobat
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!insertmacro SystemCall "shell32::FindExecutable(t '$OriginalFile', t '', t .s)"
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Call GetFileName
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Pop $Viewer
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${if} $Viewer == ""
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${If} $Viewer == ""
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MessageBox MB_OK|MB_ICONEXCLAMATION "No PDF viewer is installed. \
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Please install a PDF viewer such as Adobe Reader."
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Quit
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${endif}
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${EndIf}
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${if} $Viewer == "AcroRd32.exe"
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${orif} $Viewer == "Acrobat.exe"
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${If} $Viewer == "AcroRd32.exe"
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${OrIf} $Viewer == "Acrobat.exe"
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#Using Adobe viewer
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# Using Adobe viewer
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#Close existing view
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${if} ${fileexists} $PDFFile
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# Close existing view
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${If} ${FileExists} $PDFFile
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!insertmacro HideConsole '"$EXEDIR\pdfclose.exe" --file "$PDFFile"'
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${endif}
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${EndIf}
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#Copy PDF to temporary file to allow LyX to overwrite the original
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# Copy PDF to temporary file to allow LyX to overwrite the original
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CopyFiles /SILENT $OriginalFile $PDFFile
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#Open a new view
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# Open a new view
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!insertmacro HideConsole '"$EXEDIR\pdfopen.exe" --back --file "$PDFFile"'
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#Monitor for updates of the original file
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# Monitor for updates of the original file
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GetFileTime $OriginalFile $OriginalTimeHigh $OriginalTimeLow
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!insertmacro SystemCall "kernel32::FindFirstChangeNotification(t '$OriginalDir', \
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i 0, i ${FILE_NOTIFY_CHANGE_LAST_WRITE}) i.s"
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Pop $ChangeNotification
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${do}
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${Do}
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Sleep 500
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!insertmacro SystemCall "kernel32::WaitForSingleObject(i $ChangeNotification, i 10000) i.s"
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Pop $WaitReturn
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FileOpen $Dummy $PDFFile a
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# Check whether a lock is still active.
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# If not, Adode Reader is closed and we can close this application as well
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${if} $Dummy != ""
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#File no longer locked, reader closed
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FileClose $Dummy
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FileOpen $LockedFile $PDFFile a
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${If} $LockedFile != ""
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# Quit this application
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FileClose $LockedFile
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Delete $PDFFile
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!insertmacro SystemCall "kernel32::FindCloseChangeNotification(i $ChangeNotification)"
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Quit
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${endif}
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${EndIf}
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${if} ${fileexists} $OriginalFile
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${IfNot} $WaitReturn = ${WAIT_TIMEOUT}
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# The LyX tmpbuf has been updated
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# Check whether it's the PDF file that has been updated
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GetFileTime $OriginalFile $CurrentTimeHigh $CurrentTimeLow
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${if} $OriginalTimeHigh != $CurrentTimeHigh
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${orif} $OriginalTimeLow != $CurrentTimeLow
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#Original has been modified, update!
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StrCpy $OriginalTimeHigh $CurrentTimeHigh
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StrCpy $OriginalTimeLow $CurrentTimeLow
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# PDF has been modified, update view
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!insertmacro HideConsole '"$EXEDIR\pdfclose.exe" --file "$PDFFile"'
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CopyFiles /SILENT $OriginalFile $PDFFile
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!insertmacro HideConsole '"$EXEDIR\pdfopen.exe" --back --file "$PDFFile"'
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${endif}
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# Time of new file
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StrCpy $OriginalTimeHigh $CurrentTimeHigh
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StrCpy $OriginalTimeLow $CurrentTimeLow
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${EndIf}
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${endif}
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#Monitor again
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!insertmacro SystemCall "kernel32::FindNextChangeNotification(i $ChangeNotification)"
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${loop}
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${EndIf}
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${else}
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${Loop}
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#Another PDF viewer like GSView is used
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#No need for special actions, just forward to ShellExecute
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${Else}
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# Another PDF viewer like GSView is used
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# No need for special actions, just forward to ShellExecute
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ExecShell open $OriginalFile
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${endif}
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${EndIf}
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SectionEnd
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