ryanpager
21st July 2009 15:32 UTC

Only allowing 1 component per install?
Is there a way to disable the ability to chose more than 1 component everytime someone wants to do the install.

Reason being, as this is acting as a 4 in 1 installer, and they should only be able to install 1 at a time.

Thanks,
Ryan

jpderuiter
21st July 2009 17:19 UTC

You can use .onSelChange (Manual chapter 4.7.2.1.8).
This function is called when the user changes the selection.
Then find out which component is selected with SectionGetFlags (Manual chapter 4.9.13.2).
(You have to remember what component was selected previously).
Then use SectionSetFlags to select this component only.

Afrow UK
21st July 2009 17:54 UTC

Check out Examples\one-section.nsi

Stu

ryanpager
21st July 2009 20:11 UTC

This is what I have so far, its working for the most part. The only problem I am having, is that I need the default to be all "off/unselected" rather than all selected from the start.

Ideas? Here is my code

Function .onInit
!insertmacro MUI_LANGDLL_DISPLAY
StrCpy $1 ${SEC01} ; Group 1 - Option 1 is selected by default
StrCpy $2 ${SEC02}
StrCpy $3 ${SEC03}
StrCpy $4 ${SEC04}
FunctionEnd

Function .onSelChange

!insertmacro StartRadioButtons $1
!insertmacro RadioButton ${SEC01}
!insertmacro RadioButton ${SEC02}
!insertmacro RadioButton ${SEC03}
!insertmacro RadioButton ${SEC04}
!insertmacro EndRadioButtons

FunctionEnd

jpderuiter
21st July 2009 20:28 UTC

OK, I didn't know about these macro's.
Makes it easier ;-)

Well, obviously you have to make all sections unselected by default, by adding the /o flag for each section:

; Sections

Section /o "Option 1" SEC01
SectionEnd

Section /o "Option 2" SEC02
SectionEnd

Section /o "Option 3" SEC03
SectionEnd

Section /o "Option 4" SEC04
SectionEnd

;--------------------------------

; Functions

Function .onInit
!insertmacro MUI_LANGDLL_DISPLAY
StrCpy $1 ${SEC01} ; Group 1 - Option 1 is selected by default
FunctionEnd

Function .onSelChange

!insertmacro StartRadioButtons $1
!insertmacro RadioButton ${SEC01}
!insertmacro RadioButton ${SEC02}
!insertmacro RadioButton ${SEC03}
!insertmacro RadioButton ${SEC04}
!insertmacro EndRadioButtons

FunctionEnd

ryanpager
21st July 2009 20:53 UTC

Got it, all I needed to do was add the /o!


Thanks!

Afrow UK
21st July 2009 23:45 UTC

One problem there is once the user has clicked one of the components he's forced to install one of them. You may want to add an additional empty section in the group that the user can select.

Stu