native/installer/win/PageDefns/HaxmPage.nsdinc

; =========================================================
; This file was generated by NSISDialogDesigner 1.3.0.0
; http://coolsoft.altervista.org/nsisdialogdesigner
;
; Do not edit it manually, use NSISDialogDesigner instead!
; =========================================================

; handle variables
Var hCtl_HaxmPage
Var hCtl_HaxmPage_LabelWarning
Var hCtl_HaxmPage_ListUnits
Var hCtl_HaxmPage_NumberCustom
Var hCtl_HaxmPage_LabelRecommended
Var hCtl_HaxmPage_LabelBounds
Var hCtl_HaxmPage_RadioCustom
Var hCtl_HaxmPage_RadioRecommended
Var hCtl_HaxmPage_LabelAboutHaxmEnd
Var hCtl_HaxmPage_LinkAboutHaxm
Var hCtl_HaxmPage_LabelAboutHaxmStart
Var hCtl_HaxmPage_LabelHeader

; HeaderCustomScript
Var var_HaxmPage_MinMB
Var var_HaxmPage_MaxMB
Var var_HaxmPage_RecommendedMB
Var var_HaxmPage_SelectedMB
Var var_HaxmPage_MinStr
Var var_HaxmPage_MaxStr
Var var_HaxmPage_RecommendedStr

!define HAXM_LINK "http://www.intel.com/software/android/"

!define 4GB 4096
!define 2GB 2048
!define 1GB 1024

!define STR_RANGE "* This value must be between $var_HaxmPage_MinStr and $var_HaxmPage_MaxStr"
!define STR_RECOMMENDED "$var_HaxmPage_RecommendedStr"



; dialog create function
Function fnc_HaxmPage_Create
  
  ; === HaxmPage (type: Dialog) ===
  nsDialogs::Create 1018
  Pop $hCtl_HaxmPage
  ${If} $hCtl_HaxmPage == error
    Abort
  ${EndIf}
  !insertmacro MUI_HEADER_TEXT "Configuration Settings" "Emulator Setup"
  
  ; === LabelWarning (type: Label) ===
  ${NSD_CreateLabel} 0u 123.08u 296.2u 16.62u "Note: Setting aside a large memory reservation may cause other programs to run slowly when using the x86 Android emulator with HAXM."
  Pop $hCtl_HaxmPage_LabelWarning
  
  ; === ListUnits (type: DropList) ===
  ${NSD_CreateDropList} 117.82u 91.08u 32.91u 12.92u "GB"
  Pop $hCtl_HaxmPage_ListUnits
  EnableWindow $hCtl_HaxmPage_ListUnits 0
  ${NSD_CB_AddString} $hCtl_HaxmPage_ListUnits "GB"
  ${NSD_CB_AddString} $hCtl_HaxmPage_ListUnits "MB"
  ${NSD_CB_SelectString} $hCtl_HaxmPage_ListUnits "GB"
  
  ; === NumberCustom (type: Number) ===
  ${NSD_CreateNumber} 72.41u 91.69u 41.47u 12.31u ""
  Pop $hCtl_HaxmPage_NumberCustom
  EnableWindow $hCtl_HaxmPage_NumberCustom 0
  
  ; === LabelRecommended (type: Label) ===
  ${NSD_CreateLabel} 72.41u 81.85u 65.82u 9.23u "2 GB"
  Pop $hCtl_HaxmPage_LabelRecommended
  
  ; === LabelBounds (type: Label) ===
  ${NSD_CreateLabel} 72.41u 105.85u 184.3u 11.08u "* This value must be between 512MB and 32GB. "
  Pop $hCtl_HaxmPage_LabelBounds
  
  ; === RadioCustom (type: RadioButton) ===
  ${NSD_CreateRadioButton} 0u 92.92u 68.46u 9.23u "Custom:"
  Pop $hCtl_HaxmPage_RadioCustom
  ${NSD_AddStyle} $hCtl_HaxmPage_RadioCustom ${WS_GROUP}
  ${NSD_OnClick} $hCtl_HaxmPage_RadioCustom fnc_HaxmPage_RadioChanged
  
  ; === RadioRecommended (type: RadioButton) ===
  ${NSD_CreateRadioButton} 0u 81.23u 68.46u 9.23u "Recommended:"
  Pop $hCtl_HaxmPage_RadioRecommended
  ${NSD_OnClick} $hCtl_HaxmPage_RadioRecommended fnc_HaxmPage_RadioChanged
  ${NSD_Check} $hCtl_HaxmPage_RadioRecommended
  
  ; === LabelAboutHaxmEnd (type: Label) ===
  ${NSD_CreateLabel} 0u 57.23u 89.52u 12.31u "for more information."
  Pop $hCtl_HaxmPage_LabelAboutHaxmEnd
  
  ; === LinkAboutHaxm (type: Link) ===
  ${NSD_CreateLink} 202.08u 48.62u 92.81u 12.31u "Intel HAXM Documentation"
  Pop $hCtl_HaxmPage_LinkAboutHaxm
  ${NSD_OnClick} $hCtl_HaxmPage_LinkAboutHaxm fnc_HaxmPage_LinkAboutHaxm_OnClick
  
  ; === LabelAboutHaxmStart (type: Label) ===
  ${NSD_CreateLabel} 0u 48.62u 208u 10.46u "You can change these settings at any time. Please refer to the"
  Pop $hCtl_HaxmPage_LabelAboutHaxmStart
  
  ; === LabelHeader (type: Label) ===
  ${NSD_CreateLabel} 0u 0u 296.2u 40u "We have detected that your system can run the Android emulator in an accelerated performance mode.$\r$\n$\r$\nPlease set the maximum amount of RAM available for the Intel Hardware Accelerated Manager (HAXM) to use for all x86 emulator instances."
  Pop $hCtl_HaxmPage_LabelHeader
  
  ; CreateFunctionCustomScript
  Call fnc_HaxmPage_InitializeControls
  
  
FunctionEnd

; dialog show function
Function fnc_HaxmPage_Show
  Call fnc_HaxmPage_Create
  nsDialogs::Show $hCtl_HaxmPage
FunctionEnd


; FooterCustomScript
Function fnc_HaxmPage_RadioChanged
    # Store values
    Push $0 # Check state
    Push $1 # Enable boolean

    ${NSD_GetState} $hCtl_HaxmPage_RadioCustom $0
    ${If} $0 == ${BST_CHECKED}
        StrCpy $1 1
    ${Else}
        StrCpy $1 0
    ${EndIf}

    EnableWindow $hCtl_HaxmPage_NumberCustom $1
    EnableWindow $hCtl_HaxmPage_ListUnits $1

    # Restore values
    Pop $1
    Pop $0
FunctionEnd

Function fnc_HaxmPage_LinkAboutHaxm_OnClick
    ExecShell "open" ${HAXM_LINK}
FunctionEnd

# Initializes various HAXM page values based on the passed in system memory.
# Call this after pushing the amount of system memory (in MB) on the stack.
# It is assumed this method will not get called if the user has less than 1GB
# of memory!
Function fnc_HaxmPage_SetSystemMemory
    Exch $0 # Save existing $0. Now set to amount of system memory in MB
    Push $1 # Save existing $1. Used as a temp var later.

    # Pseudo-code for the following logic:
    # min = 512MB
    # if (mem > 4GB) {
    #   max = mem - 2GB;
    #   default = 2GB;
    # }
    # else {
    #   max = mem / 2;
    #   default = (mem > 2GB) ? 1GB : 512MB;
    # }

    # Initialize memory bounds (max, max, recommended)
    StrCpy $var_HaxmPage_MinMB 512

    ${If} $0 >= ${4GB}
        IntOp $var_HaxmPage_MaxMB $0 - ${2GB}
        StrCpy $var_HaxmPage_RecommendedMB ${2GB}
    ${Else}
        IntOp $var_HaxmPage_MaxMB $0 / 2

        ${If} $var_HaxmPage_MaxMB >= ${2GB}
            StrCpy $var_HaxmPage_RecommendedMB ${1GB}
        ${Else}
            StrCpy $var_HaxmPage_RecommendedMB 512
        ${EndIf}
    ${EndIf}

    # Max can be less than min only if a user's memory < 1GB, but really we
    # should never be getting here ever. But it's easy enough to handle it
    # here just in case.
    ${If} $var_HaxmPage_MaxMB < $var_HaxmPage_MinMB
        StrCpy $var_HaxmPage_MaxMB $var_HaxmPage_MinMB
    ${EndIf}

    # Update strings

    StrCpy $var_HaxmPage_MinStr "$var_HaxmPage_MinMB MB"

    ${If} $var_HaxmPage_MaxMB >= ${1GB}
        IntOp $0 $var_HaxmPage_MaxMB / ${1GB}
        StrCpy $var_HaxmPage_MaxStr "$0 GB"
    ${Else}
        StrCpy $var_HaxmPage_MaxStr "$var_HaxmPage_MaxMB MB"
    ${EndIf}

    ${If} $var_HaxmPage_RecommendedMB >= ${1GB}
        IntOp $0 $var_HaxmPage_RecommendedMB / ${1GB}
        StrCpy $var_HaxmPage_RecommendedStr "$0 GB"
    ${Else}
        StrCpy $var_HaxmPage_RecommendedStr "$var_HaxmPage_RecommendedMB MB"
    ${EndIf}

    # Update controls

    # If we pressed back to come back to this page, var_HaxmPage_SelectedMB
    # will already be set, and we should use that value.
    # After this point, $0 will be the amount of memory to show for the Custom
    # radio button.
    ${If} $var_HaxmPage_SelectedMB > 0
        StrCpy $0 $var_HaxmPage_SelectedMB

        # Use the recommended radio button if possible, but select custom if
        # we are coming back to this page and the user changed it before.
        ${If} $var_HaxmPage_SelectedMB != $var_HaxmPage_RecommendedMB
            ${NSD_Uncheck} $hCtl_HaxmPage_RadioRecommended
            ${NSD_Check} $hCtl_HaxmPage_RadioCustom
            Call fnc_HaxmPage_RadioChanged
        ${EndIf}
    ${Else}
        StrCpy $0 $var_HaxmPage_RecommendedMB
    ${EndIf}

    # Set custom text input to GB if $0 is a multiple of 1024, else MB for the
    # extra precision (NSIS doesn't have floats, so 2560 MB, not 2.5 GB).
    # However, GB looks better, so use it if possible
    IntOp $1 $0 % ${1GB}
    ${If} $0 >= ${1GB}
    ${AndIf} $1 == 0
        IntOp $0 $0 / ${1GB}
        ${NSD_SetText} $hCtl_HaxmPage_NumberCustom $0
        ${NSD_CB_SelectString} $hCtl_HaxmPage_ListUnits "GB"
    ${Else}
        ${NSD_SetText} $hCtl_HaxmPage_NumberCustom $0
        ${NSD_CB_SelectString} $hCtl_HaxmPage_ListUnits "MB"
    ${EndIf}

    ${NSD_SetText} $hCtl_HaxmPage_LabelBounds "${STR_RANGE}"
    ${NSD_SetText} $hCtl_HaxmPage_LabelRecommended "${STR_RECOMMENDED}"

    # Restore old values
    Pop $1
    Pop $0
FunctionEnd

# This verifies that the current memory setting that the user chose is correct.
# Pushes 1 onto the stack if valid, 0 otherwise. The value
# var_HaxmPage_SelectedMB will be set after this function is complete.
Function fnc_HaxmPage_Leave

    Push $0 # Save existing $0. Will be used to hold radio checked state
    Push $1 # Save existing $1. Will be used to hold "MB" or "GB"

    ${NSD_GetState} $hCtl_HaxmPage_RadioRecommended $0

    ${If} $0 == ${BST_CHECKED}
        StrCpy $var_HaxmPage_SelectedMB $var_HaxmPage_RecommendedMB
    ${Else}
        ${NSD_GetText} $hCtl_HaxmPage_NumberCustom $var_HaxmPage_SelectedMB
        ${NSD_GetText} $hCtl_HaxmPage_ListUnits $1

        ${If} $1 == "GB"
            IntOp $var_HaxmPage_SelectedMB  $var_HaxmPage_SelectedMB * 1024
        ${EndIf}

    ${EndIf}

    # Restore old values
    Pop $1
    Pop $0

    ${If} $var_HaxmPage_SelectedMB < $var_HaxmPage_MinMB
    ${OrIf} $var_HaxmPage_SelectedMB > $var_HaxmPage_MaxMB
    MessageBox MB_OK|MB_ICONEXCLAMATION 'The selected amount of RAM is not in range.'
        Abort
    ${EndIf}
FunctionEnd