NSIS - 单选按钮标签与所选标签不匹配

Question

!include "nsDialogs.nsh"
!include "LogicLib.nsh"

Name "Test "
OutFile Setup.exe

XPStyle on
Page Custom radioButton radioButtonClick
Page instfiles

var Group1Radio1
var Group1Radio2
var dialog
var hwnd
var label

Function radioButton
nsDialogs::Create 1018
Pop $dialog
${NSD_CreateLabel} 0 0 100% 6% "Please choose"
Pop $label
${NSD_CreateRadioButton} 0 12% 40% 6% "1"
Pop $Group1Radio1
${NSD_AddStyle} $Group1Radio1 ${WS_GROUP}
${NSD_OnClick} $Group1Radio1 radioButtonClick
${NSD_CreateRadioButton} 0 20% 40% 6% "2"
Pop $Group1Radio2
${NSD_OnClick} $Group1Radio2 radioButtonClick

nsDialogs::Show
FunctionEnd

Function radioButtonClick
Pop $hwnd
${If} $hwnd == $Group1Radio1
    ${NSD_CreateLabel} 0 40% 40% 6% "1 Selected"
    ${NSD_OnChange} $Group1Radio1 radioButton
${ElseIf} $hwnd == $Group1Radio2
    ${NSD_CreateLabel} 0 40% 40% 6% "2 Selected"
    ${NSD_OnChange} $Group1Radio2 radioButton

${EndIf}

FunctionEnd

Section 
SetOutPath "$DESKTOP"
SectionEnd

当此代码运行时，选择的第一个按钮的名称会更正显示在“Function radioButtonClick”中的标签上，但是当您在此之后选择其他内容时，它不会更新，并且按钮标签会被交换.

所以基本上，会发生什么：

单击单选按钮 1 -> 显示“1 个已选择” 然后， 单击单选按钮 2 -> 没有任何反应。 然后， 再次单击单选按钮 1 -> 显示“2 selected” 最后， 再次单击单选按钮 2 -> 显示“1 selected”

我该如何解决这个问题？

提前谢谢你。

Answer 1

您的代码没有多大意义，每次单选按钮更改时您都会创建一个新标签，并且每次单击时都会注册一个新的 NSD_OnChange 事件处理程序，并且此处理程序会尝试在旧页面之上创建另一个页面一，这是完全不受支持的行为！

有很多方法可以编码，这里有 3 个例子：

!include "nsDialogs.nsh"
!include "LogicLib.nsh"

Page Custom radioButtonExamplePageMethod1
Page Custom radioButtonExamplePageMethod2
Page Custom radioButtonExamplePageMethod3
Page instfiles

var Group1Radio1
var Group1Radio2
var dialog
var hwnd
var label

Function radioButtonExamplePageMethod1
nsDialogs::Create 1018
Pop $dialog
${NSD_CreateLabel} 0 0 100% 6% "Please choose"
Pop $0 ; Don't care about this handle
${NSD_CreateRadioButton} 0 12% 40% 6% "1"
Pop $Group1Radio1
${NSD_OnClick} $Group1Radio1 radioButtonClicked_Method1
${NSD_CreateRadioButton} 0 20% 40% 6% "2"
Pop $Group1Radio2
${NSD_OnClick} $Group1Radio2 radioButtonClicked_Method1
${NSD_CreateLabel} 0 40% 40% 6% ""
Pop $label
; You could do 
; SendMessage $Group1Radio1 ${BM_CLICK} 0 0
; here to simulate a click for the inital radio button state
nsDialogs::Show
FunctionEnd

Function radioButtonClicked_Method1
Pop $hwnd
${If} $hwnd == $Group1Radio1
    ${NSD_SetText} $label "1 Selected"
${ElseIf} $hwnd == $Group1Radio2
    ${NSD_SetText} $label "2 Selected"
${EndIf}
FunctionEnd


Function radioButtonExamplePageMethod2
nsDialogs::Create 1018
Pop $dialog
${NSD_CreateLabel} 0 0 100% 6% "Please choose"
Pop $0 ; Don't care about this handle
${NSD_CreateLabel} 0 40% 40% 6% ""
Pop $label
${NSD_CreateRadioButton} 0 12% 40% 6% "1"
Pop $Group1Radio1
${NSD_OnClick} $Group1Radio1 radioButtonClicked_Method2_Radio1
${NSD_CreateRadioButton} 0 20% 40% 6% "2"
Pop $Group1Radio2
${NSD_OnClick} $Group1Radio2 radioButtonClicked_Method2_Radio2
nsDialogs::Show
FunctionEnd

Function radioButtonClicked_Method2_Radio1
Pop $0
${NSD_SetText} $label "1 Selected"
FunctionEnd
Function radioButtonClicked_Method2_Radio2
Pop $0
${NSD_SetText} $label "2 Selected"
FunctionEnd


Function radioButtonExamplePageMethod3
nsDialogs::Create 1018
Pop $dialog
${NSD_CreateLabel} 0 0 100% 6% "Please choose"
Pop $0 ; Don't care about this handle
${NSD_CreateLabel} 0 40% 40% 6% ""
Pop $label
${NSD_CreateRadioButton} 0 12% 40% 6% "1"
Pop $Group1Radio1
nsDialogs::SetUserData $Group1Radio1 "1 Selected"
${NSD_OnClick} $Group1Radio1 radioButtonClicked_Method3
${NSD_CreateRadioButton} 0 20% 40% 6% "2"
Pop $Group1Radio2
nsDialogs::SetUserData $Group1Radio2 "2 Selected"
${NSD_OnClick} $Group1Radio2 radioButtonClicked_Method3
nsDialogs::Show
FunctionEnd

Function radioButtonClicked_Method3
Pop $0
nsDialogs::GetUserData $0
Pop $1
${NSD_SetText} $label $1
FunctionEnd