Old 21st February 2018, 03:07   #1
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r2du-soft's Avatar
Join Date: Nov 2013
Location: Iran
Posts: 343
Question select multiple files with dialog open

how can select multiple files in dialog box in nsis?
i try with:


DialogsEx (${OpenBox} "Search for a java files" "java files (*.java)|*.java||" 1 "$EXEDIR" 3 ${VAR_6})

nsDialogs::SelectFileDialog /NOUNLOAD open "" "Java Files|*.java|All Files|*.*"

with that's plugins just can select one file but i want to select multiple files...

after select files i want use this
ExecDos::exec '"$JavaExePatch" "$0"'

to convert *.java files to .class files
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Old 22nd February 2018, 18:37   #2
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Join Date: Jun 2002
Location: ${NSISDIR}
Posts: 5,548
The Windows open/save dialogs are badly designed and if you want to support a selection of "unlimited" number of files you need 3 separate codepaths in your application, one for 95/98/ME, one for NT4/2000/XP/2003 and one for Vista+ and I'm not going to code all that for you.

Here is a limited version but should be enough for most uses:

PHP Code:
!include LogicLib.nsh
!include Util.nsh
!ifndef IntPtrOp
!define IntPtrOp IntOp
!define NSIS_CHAR_SIZE 1
define OFN_ENABLESIZING 0x00800000
!define OFN_HIDEREADONLY 0x00000004
!define OFN_ALLOWMULTISELECT 0x00000200
!define OFN_FILEMUSTEXIST 0x00001000
!define OFN_EXPLORER 0x00080000
!if "${NSIS_PTR_SIZE}<= 4
!define OPENFILENAME 'i,i,i,i,i,i,i,i,i,i,i,i,i,i,&i2,&i2,i,i,i,i'
error TODO

define MYMULTISELCCH 42000 Hopefully large enoughthere is no way to know how many files the user will select
::Call '*(&t${MYMULTISELCCH})i.s' Allocate OPENFILENAME.lpstrFile buffer
::Call '*(${OPENFILENAME})i.r0' Allocate OPENFILENAME struct
System::Call '*$1(&t${NSIS_MAX_STRLEN} "$InstDir")' Initial path (This is optional)
System::Call 'COMDLG32::GetOpenFileName(ir0)i.r2'
System::Call '*$0(${OPENFILENAME})(,,,,,,,,,,,,,,&i2.r3)'
System::Free $0
${If} $<> 0
::Call "*$1(&t${NSIS_MAX_STRLEN}.r2)" Get directory single file
#IntOp $0 $0 + 1 ; For \0 but should not be required because a directory cannot be chosen as a file
${If} $< $0
      MessageBox mb_ok 
"Single file: $2"
StrCpy $5 0
StrLen $$0
::Call "*$3(&t$0,&t1,&t${NSIS_MAX_STRLEN}.r4)"
!if ${NSIS_CHAR_SIZE} > 1
IntPtrOp} $$+ $0
${IntPtrOp} $$+ ${NSIS_CHAR_SIZE} ; \0
${If} $!= ""
StrCpy $"$2\$4"
IntOp $$1
        MessageBox mb_ok 
"File #$5: $0"
StrCpy $$4
Goto loop
System::Free $

IntOp $PostCount $PostCount + 1
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