!ifndef KRITA_INSTALLER_32 & KRITA_INSTALLER_64
!error "Either one of KRITA_INSTALLER_32 or KRITA_INSTALLER_64 must be defined."
!endif
!ifdef KRITA_INSTALLER_32 & KRITA_INSTALLER_64
!error "Only one of KRITA_INSTALLER_32 or KRITA_INSTALLER_64 should be defined."
!endif

!ifndef KRITA_PACKAGE_ROOT
!error "KRITA_PACKAGE_ROOT should be defined and point to the root of the package files."
!endif

!ifdef KRITA_INSTALLER_64
!define KRITA_INSTALLER_BITNESS 64
!else
!define KRITA_INSTALLER_BITNESS 32
!endif

Unicode true
# Enabling DPI awareness creates awful CJK text in some sizes, so don't enable it.
ManifestDPIAware false

# Krita constants (can be overridden in command line params)
!define /ifndef KRITA_VERSION "0.0.0.0"
!define /ifndef KRITA_VERSION_DISPLAY "test-version"
#!define /ifndef KRITA_VERSION_GIT ""
!define /ifndef KRITA_INSTALLER_OUTPUT_DIR ""
!ifdef KRITA_INSTALLER_64
!define /ifndef KRITA_INSTALLER_OUTPUT_NAME "krita_x64_setup.exe"
!else
!define /ifndef KRITA_INSTALLER_OUTPUT_NAME "krita_x86_setup.exe"
!endif

# Krita constants (fixed)
!if "${KRITA_INSTALLER_OUTPUT_DIR}" == ""
!define KRITA_INSTALLER_OUTPUT "${KRITA_INSTALLER_OUTPUT_NAME}"
!else
!define KRITA_INSTALLER_OUTPUT "${KRITA_INSTALLER_OUTPUT_DIR}\${KRITA_INSTALLER_OUTPUT_NAME}"
!endif
!define KRTIA_PUBLISHER "Krita Foundation"
!ifdef KRITA_INSTALLER_64
!define KRITA_PRODUCTNAME "Krita (x64)"
!define KRITA_UNINSTALL_REGKEY "Krita_x64"
!else
!define KRITA_PRODUCTNAME "Krita (x86)"
!define KRITA_UNINSTALL_REGKEY "Krita_x86"
!endif

VIProductVersion "${KRITA_VERSION}"
VIAddVersionKey "CompanyName" "${KRTIA_PUBLISHER}"
VIAddVersionKey "FileDescription" "${KRITA_PRODUCTNAME} ${KRITA_VERSION_DISPLAY} Setup"
VIAddVersionKey "FileVersion" "${KRITA_VERSION}"
VIAddVersionKey "InternalName" "${KRITA_INSTALLER_OUTPUT_NAME}"
VIAddVersionKey "LegalCopyright" "${KRTIA_PUBLISHER}"
VIAddVersionKey "OriginalFileName" "${KRITA_INSTALLER_OUTPUT_NAME}"
VIAddVersionKey "ProductName" "${KRITA_PRODUCTNAME} ${KRITA_VERSION_DISPLAY} Setup"
VIAddVersionKey "ProductVersion" "${KRITA_VERSION}"

BrandingText "[NSIS ${NSIS_VERSION}] ${KRITA_PRODUCTNAME} ${KRITA_VERSION}"

Name "${KRITA_PRODUCTNAME} ${KRITA_VERSION_DISPLAY}"
OutFile ${KRITA_INSTALLER_OUTPUT}
!ifdef KRITA_INSTALLER_64
InstallDir "$PROGRAMFILES64\Krita (x64)"
!else
InstallDir "$PROGRAMFILES32\Krita (x86)"
!endif
XPstyle on

ShowInstDetails show
ShowUninstDetails show

Var KritaStartMenuFolder
Var CreateDesktopIcon

!include MUI2.nsh

!define MUI_FINISHPAGE_NOAUTOCLOSE

# Installer Pages
!insertmacro MUI_PAGE_WELCOME
!define MUI_LICENSEPAGE_CHECKBOX
!insertmacro MUI_PAGE_LICENSE "license_gpl-3.0.rtf"
!insertmacro MUI_PAGE_DIRECTORY
!insertmacro MUI_PAGE_COMPONENTS
!define MUI_PAGE_CUSTOMFUNCTION_PRE func_ShellExLicensePage_Init
!define MUI_PAGE_HEADER_TEXT "$(ShellExLicensePageHeader)"
!insertmacro MUI_PAGE_LICENSE "license.rtf"
!define MUI_STARTMENUPAGE_DEFAULTFOLDER "Krita"
!define MUI_STARTMENUPAGE_REGISTRY_ROOT HKLM
!define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\Krita"
!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "StartMenuFolder"
!define MUI_STARTMENUPAGE_NODISABLE
!insertmacro MUI_PAGE_STARTMENU Krita $KritaStartMenuFolder
Page Custom func_BeforeInstallPage_Init
!insertmacro MUI_PAGE_INSTFILES
!insertmacro MUI_PAGE_FINISH

# Uninstaller Pages
!define MUI_PAGE_CUSTOMFUNCTION_PRE un.func_UnintallFirstpage_Init
!insertmacro MUI_UNPAGE_CONFIRM
!insertmacro MUI_UNPAGE_INSTFILES

# Languages
!insertmacro MUI_LANGUAGE "English"
!insertmacro MUI_LANGUAGE "TradChinese"
!insertmacro MUI_LANGUAGE "SimpChinese"

!include Sections.nsh
!include LogicLib.nsh
!include x64.nsh
!include WinVer.nsh
!include WordFunc.nsh

!define KRITA_SHELLEX_DIR "$INSTDIR\shellex"

!include "include\FileExists2.nsh"
!include "include\IsFileInUse.nsh"
!include "krita_versions_detect.nsh"
!include "krita_shell_integration.nsh"

Var KritaMsiProductX86
Var KritaMsiProductX64
Var KritaNsisVersion
Var KritaNsisBitness
Var KritaNsisInstallLocation

Var PrevShellExInstallLocation
Var PrevShellExStandalone

Var UninstallShellExStandalone

Section "-Remove_shellex" SEC_remove_shellex
${If} $PrevShellExInstallLocation != ""
${AndIf} $PrevShellExStandalone == 1
${AndIf} $KritaNsisVersion == ""
${AndIf} ${FileExists} "$PrevShellExInstallLocation\uninstall.exe"
push $R0
DetailPrint "$(RemovingShellEx)"
SetDetailsPrint listonly
ExecWait "$PrevShellExInstallLocation\uninstall.exe /S _?=$PrevShellExInstallLocation" $R0
${If} $R0 != 0
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONSTOP "$(RemoveShellExFailed)"
${EndIf}
SetDetailsPrint both
DetailPrint "$(RemoveShellExFailed)"
Abort
${EndIf}
Delete "$PrevShellExInstallLocation\uninstall.exe"
RMDir /REBOOTOK "$PrevShellExInstallLocation"
SetRebootFlag false
SetDetailsPrint lastused
DetailPrint "$(RemoveShellExDone)"
pop $R0
${EndIf}
SectionEnd

Section "$(SectionRemoveOldVer)" SEC_remove_old_version
${If} $KritaNsisInstallLocation != ""
${AndIf} ${FileExists} "$KritaNsisInstallLocation\uninstall.exe"
push $R0
DetailPrint "$(RemovingOldVer)"
SetDetailsPrint listonly
ExecWait "$KritaNsisInstallLocation\uninstall.exe /S _?=$KritaNsisInstallLocation" $R0
${If} $R0 != 0
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONSTOP "$(RemoveOldVerFailed)"
${EndIf}
SetDetailsPrint both
DetailPrint "$(RemoveOldVerFailed)"
Abort
${EndIf}
Delete "$KritaNsisInstallLocation\uninstall.exe"
RMDir /REBOOTOK "$KritaNsisInstallLocation"
SetRebootFlag false
SetDetailsPrint lastused
DetailPrint "$(RemoveOldVerDone)"
pop $R0
${EndIf}
SectionEnd

Section "-Thing"
SetOutPath $INSTDIR
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"DisplayName" "${KRITA_PRODUCTNAME} ${KRITA_VERSION_DISPLAY}"
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"UninstallString" "$\"$INSTDIR\uninstall.exe$\""
WriteUninstaller $INSTDIR\uninstall.exe
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"DisplayVersion" "${KRITA_VERSION}"
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"DisplayIcon" "$\"$INSTDIR\shellex\krita.ico$\",0"
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"URLInfoAbout" "https://krita.org/"
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"InstallLocation" "$INSTDIR"
WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"Publisher" "${KRTIA_PUBLISHER}"
#WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
# "EstimatedSize" 250000
WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"NoModify" 1
WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}" \
"NoRepair" 1
# Registry entries for version recognition
# InstallLocation:
# Where krita is installed
WriteRegStr HKLM "Software\Krita" \
"InstallLocation" "$INSTDIR"
# Version:
# Version of Krita
WriteRegStr HKLM "Software\Krita" \
"Version" "${KRITA_VERSION}"
# x64:
# Set to 1 for 64-bit Krita, can be missing for 32-bit Krita
!ifdef KRITA_INSTALLER_64
WriteRegDWORD HKLM "Software\Krita" \
"x64" 1
!else
DeleteRegValue HKLM "Software\Krita" "x64"
!endif
# InstallerLanguage:
# Language used by the installer (to be re-used for the uninstaller)
WriteRegStr HKLM "Software\Krita" \
"InstallerLanguage" "$LANGUAGE"
# StartMenuFolder:
# Start Menu Folder
# Handled by Modern UI 2.0 MUI_PAGE_STARTMENU
SectionEnd

Section "${KRITA_PRODUCTNAME}" SEC_product_main
# TODO: Maybe switch to explicit file list?
File /r /x ffmpeg.exe /x ffmpeg_README.txt /x ffmpeg_LICENSE.txt ${KRITA_PACKAGE_ROOT}\bin
File /r ${KRITA_PACKAGE_ROOT}\lib
File /r ${KRITA_PACKAGE_ROOT}\share
File /r ${KRITA_PACKAGE_ROOT}\python
SectionEnd

Section "-Main_associate"
CreateDirectory ${KRITA_SHELLEX_DIR}
${Krita_RegisterFileAssociation} "$INSTDIR\bin\krita.exe"
SectionEnd

Section "-Main_Shortcuts"
# Placing this after Krita_RegisterFileAssociation to get the icon
!insertmacro MUI_STARTMENU_WRITE_BEGIN Krita
CreateDirectory "$SMPROGRAMS\$KritaStartMenuFolder"
CreateShortcut "$SMPROGRAMS\$KritaStartMenuFolder\${KRITA_PRODUCTNAME}.lnk" "$INSTDIR\bin\krita.exe" "" "$INSTDIR\shellex\krita.ico" 0
!insertmacro MUI_STARTMENU_WRITE_END
${If} $CreateDesktopIcon == 1
# For the desktop icon, keep the name short and omit version info
CreateShortcut "$DESKTOP\Krita.lnk" "$INSTDIR\bin\krita.exe" "" "$INSTDIR\shellex\krita.ico" 0
${EndIf}
SectionEnd

Section "$(SectionShellEx)" SEC_shellex
${If} ${RunningX64}
${Krita_RegisterComComonents} 64
${EndIf}
${Krita_RegisterComComonents} 32

${Krita_RegisterShellExtension}

# ShellExtension\InstallLocation:
# Where the shell extension is installed
# If installed by Krita installer, this must point to shellex sub-dir
WriteRegStr HKLM "Software\Krita\ShellExtension" \
"InstallLocation" "$INSTDIR\shellex"
# ShellExtension\Version:
# Version of the shell extension
WriteRegStr HKLM "Software\Krita\ShellExtension" \
"Version" "${KRITASHELLEX_VERSION}"
# ShellExtension\Standalone:
# 0 = Installed by Krita installer
# 1 = Standalone installer
WriteRegDWORD HKLM "Software\Krita\ShellExtension" \
"Standalone" 0
# ShellExtension\KritaExePath:
# Path to krita.exe as specified by user or by Krita installer
# Empty if not specified
WriteRegStr HKLM "Software\Krita\ShellExtension" \
"KritaExePath" "$INSTDIR\bin\krita.exe"
SectionEnd

!ifdef HAS_FFMPEG
Section "$(SectionBundledFfmpeg)" SEC_ffmpeg
File /oname=bin\ffmpeg.exe ${KRITA_PACKAGE_ROOT}\bin\ffmpeg.exe
File /oname=bin\ffmpeg_LICENSE.txt ${KRITA_PACKAGE_ROOT}\bin\ffmpeg_LICENSE.txt
File /oname=bin\ffmpeg_README.txt ${KRITA_PACKAGE_ROOT}\bin\ffmpeg_README.txt
SectionEnd
!endif

Section "-Main_refreshShell"
${RefreshShell}
SectionEnd

!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
#!insertmacro MUI_DESCRIPTION_TEXT ${SEC_remove_shellex} "Remove previously installed Krita Shell Integration."
!insertmacro MUI_DESCRIPTION_TEXT ${SEC_remove_old_version} "$(SectionRemoveOldVerDesc)"
!insertmacro MUI_DESCRIPTION_TEXT ${SEC_product_main} "$(SectionMainDesc)"
!insertmacro MUI_DESCRIPTION_TEXT ${SEC_shellex} "$(SectionShellExDesc)"
!ifdef HAS_FFMPEG
!insertmacro MUI_DESCRIPTION_TEXT ${SEC_ffmpeg} "$(SectionBundledFfmpegDesc)"
!endif
!insertmacro MUI_FUNCTION_DESCRIPTION_END

Section "un.$(SectionShellEx)"
${If} $UninstallShellExStandalone == 1
push $R0
DetailPrint "$(RemovingShellEx)"
SetDetailsPrint listonly
ExecWait "$INSTDIR\shellex\uninstall.exe /S _?=$INSTDIR\shellex" $R0
${If} $R0 != 0
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONSTOP "$(RemoveShellExFailed)"
${EndIf}
SetDetailsPrint lastused
SetDetailsPrint both
DetailPrint "$(RemoveShellExFailed)"
${EndIf}
Delete "$INSTDIR\shellex\uninstall.exe"
RMDir /REBOOTOK "$INSTDIR\shellex"
SetDetailsPrint lastused
DetailPrint "$(RemoveShellExDone)"
pop $R0
${Else}
${Krita_UnregisterShellExtension}

${If} ${RunningX64}
${Krita_UnregisterComComonents} 64
${EndIf}
${Krita_UnregisterComComonents} 32
${EndIf}
SectionEnd

Section "un.Main_associate"
# TODO: Conditional, use install log
${If} $UninstallShellExStandalone != 1
${Krita_UnregisterFileAssociation}
${EndIf}
SectionEnd

Section "un.Main_Shortcuts"
Delete "$DESKTOP\Krita.lnk"
!insertmacro MUI_STARTMENU_GETFOLDER Krita $KritaStartMenuFolder
Delete "$SMPROGRAMS\$KritaStartMenuFolder\${KRITA_PRODUCTNAME}.lnk"
RMDir "$SMPROGRAMS\$KritaStartMenuFolder"
SectionEnd

Section "un.${KRITA_PRODUCTNAME}"
# TODO: Maybe switch to explicit file list or some sort of install log?
RMDir /r $INSTDIR\bin
RMDir /r $INSTDIR\lib
RMDir /r $INSTDIR\share
RMDir /r $INSTDIR\python
SectionEnd

Section "un.Thing"
RMDir /REBOOTOK $INSTDIR\shellex
DeleteRegKey HKLM "Software\Krita"
DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${KRITA_UNINSTALL_REGKEY}"
Delete $INSTDIR\uninstall.exe
RMDir /REBOOTOK $INSTDIR
SectionEnd

Section "un.Main_refreshShell"
${RefreshShell}
SectionEnd

Function .onInit
SetShellVarContext all
!insertmacro SetSectionFlag ${SEC_product_main} ${SF_RO}
!insertmacro SetSectionFlag ${SEC_product_main} ${SF_BOLD}
!insertmacro SetSectionFlag ${SEC_remove_old_version} ${SF_RO}
!ifdef HAS_FFMPEG
!insertmacro SetSectionFlag ${SEC_ffmpeg} ${SF_RO}
!endif
StrCpy $CreateDesktopIcon 1 # Create desktop icon by default
${IfNot} ${AtLeastWin7}
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONSTOP "$(MsgRequireWin7)"
${EndIf}
Abort
${EndIf}

${IfNot} ${Silent}
# Language selection, seems that the order is predefined.
Push "" # This value is for languages auto count
Push ${LANG_ENGLISH}
Push English
Push ${LANG_TRADCHINESE}
Push "繁體中文"
Push ${LANG_SIMPCHINESE}
Push "简体中文"
Push A # = auto count languages
LangDLL::LangDialog "$(^SetupCaption)" "$(SetupLangPrompt)"
Pop $LANGUAGE
${If} $LANGUAGE == "cancel"
Abort
${Endif}
${EndIf}

!ifdef KRITA_INSTALLER_64
${If} ${RunningX64}
SetRegView 64
${Else}
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONSTOP "$(Msg64bitOn32bit)"
${EndIf}
Abort
${Endif}
!else
${If} ${RunningX64}
SetRegView 64
${IfNot} ${Silent}
MessageBox MB_YESNO|MB_ICONEXCLAMATION "$(Msg32bitOn64bit)" \
/SD IDYES \
IDYES lbl_allow32on64
Abort
${EndIf}
lbl_allow32on64:
${Endif}
!endif

# Detect ancient Krita versions
${DetectKritaMsi32bit} $KritaMsiProductX86
${If} ${RunningX64}
${DetectKritaMsi64bit} $KritaMsiProductX64
${EndIf}
${If} $KritaMsiProductX86 != ""
${OrIf} $KritaMsiProductX64 != ""
${IfNot} ${Silent}
MessageBox MB_YESNO|MB_ICONQUESTION|MB_DEFBUTTON1 "$(MsgAncientVerMustBeRemoved)" \
/SD IDYES \
IDYES lbl_removeAncientVer
Abort
${EndIf}
lbl_removeAncientVer:
${If} $KritaMsiProductX64 != ""
push $R0
${MsiUninstall} $KritaMsiProductX64 $R0
${If} $R0 != 0
${IfNot} ${Silent}
${IfKritaMsi3Alpha} $KritaMsiProductX64
MessageBox MB_OK|MB_ICONSTOP "$(MsgKrita3alpha1RemoveFailed)"
${Else}
MessageBox MB_OK|MB_ICONSTOP "$(MsgKrita2msi64bitRemoveFailed)"
${EndIf}
${EndIf}
Abort
${EndIf}
pop $R0
StrCpy $KritaMsiProductX64 ""
${EndIf}
${If} $KritaMsiProductX86 != ""
push $R0
${MsiUninstall} $KritaMsiProductX86 $R0
${If} $R0 != 0
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONSTOP "$(MsgKrita2msi32bitRemoveFailed)"
${EndIf}
Abort
${EndIf}
pop $R0
StrCpy $KritaMsiProductX86 ""
${EndIf}
${EndIf}

${DetectKritaNsis} $KritaNsisVersion $KritaNsisBitness $KritaNsisInstallLocation
${If} $KritaNsisVersion != ""
push $R0
${VersionCompare} "${KRITA_VERSION}" "$KritaNsisVersion" $R0
${If} $R0 == 0
# Same version installed... probably
${If} $KritaNsisBitness == ${KRITA_INSTALLER_BITNESS}
# Very likely the same version
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONINFORMATION "$(MsgKritaSameVerReinstall)"
${EndIf}
${Else}
# Very likely the same version but different arch
${IfNot} ${Silent}
!ifdef KRITA_INSTALLER_64
MessageBox MB_OK|MB_ICONINFORMATION "$(MsgKrita3264bitSwap)"
!else
MessageBox MB_OK|MB_ICONEXCLAMATION "$(MsgKrita3264bitSwap)"
!endif
${EndIf}
${EndIf}
${ElseIf} $R0 == 1
# Upgrade
${If} $KritaNsisBitness == ${KRITA_INSTALLER_BITNESS}
# Silent about upgrade
${Else}
# Upgrade but different arch
${IfNot} ${Silent}
!ifdef KRITA_INSTALLER_64
MessageBox MB_OK|MB_ICONINFORMATION "$(MsgKrita3264bitSwap)"
!else
MessageBox MB_OK|MB_ICONEXCLAMATION "$(MsgKrita3264bitSwap)"
!endif
${EndIf}
${EndIf}
${ElseIf} $R0 == 2
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONSTOP "$(MsgKritaNewerAlreadyInstalled)"
${EndIf}
Abort
${Else}
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONSTOP "Error: Unexpected state"
${EndIf}
Abort
${EndIf}
!insertmacro SetSectionFlag ${SEC_remove_old_version} ${SF_SELECTED}
# Detect if Krita is running...
${If} ${IsFileinUse} "$KritaNsisInstallLocation\bin\krita.exe"
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONEXCLAMATION "$(MsgKritaRunning)"
${EndIf}
SetErrorLevel 10
Abort
${EndIf}
pop $R0
${Else}
!insertmacro ClearSectionFlag ${SEC_remove_old_version} ${SF_SELECTED}
SectionSetText ${SEC_remove_old_version} ""
${EndIf}

# Detect standalone shell extension
# TODO: Would it be possible to update Krita without replacing the standalone shellex?
ClearErrors
ReadRegStr $PrevShellExInstallLocation HKLM "Software\Krita\ShellExtension" "InstallLocation"
#ReadRegStr $PrevShellExVersion HKLM "Software\Krita\ShellExtension" "Version"
ReadRegDWORD $PrevShellExStandalone HKLM "Software\Krita\ShellExtension" "Standalone"
#ReadRegStr $PrevShellExKritaExePath HKLM "Software\Krita\ShellExtension" "KritaExePath"
${If} ${Errors}
# TODO: Assume no previous version installed or what?
${EndIf}
${If} $PrevShellExStandalone == 1
#!insertmacro SetSectionFlag ${SEC_remove_shellex} ${SF_SELECTED}
${Else}
#!insertmacro ClearSectionFlag ${SEC_remove_shellex} ${SF_SELECTED}
#SectionSetText ${SEC_remove_shellex} ""
${EndIf}
FunctionEnd

Function un.onInit
SetShellVarContext all
!ifdef KRITA_INSTALLER_64
${If} ${RunningX64}
SetRegView 64
${Else}
Abort
${Endif}
!else
${If} ${RunningX64}
SetRegView 64
${Endif}
!endif

# Get and use installer language:
Push $0
ReadRegStr $0 HKLM "Software\Krita" "InstallerLanguage"
${If} $0 != ""
StrCpy $LANGUAGE $0
${EndIf}
Pop $0

ReadRegDWORD $UninstallShellExStandalone HKLM "Software\Krita\ShellExtension" "Standalone"
${If} ${Silent}
# Only check here if running in silent mode. It's otherwise checked in
# un.func_UnintallFirstpage_Init in order to display a prompt in the
# correct language.
${If} ${IsFileinUse} "$INSTDIR\bin\krita.exe"
SetErrorLevel 10
Abort
${EndIf}
${EndIf}
FunctionEnd

Function un.func_UnintallFirstpage_Init
${If} ${IsFileinUse} "$INSTDIR\bin\krita.exe"
${IfNot} ${Silent}
MessageBox MB_OK|MB_ICONEXCLAMATION "$(MsgUninstallKritaRunning)"
${EndIf}
SetErrorLevel 10
Quit
${EndIf}
FunctionEnd

Function func_ShellExLicensePage_Init
${IfNot} ${SectionIsSelected} ${SEC_shellex}
# Skip ShellEx license page if not selected
Abort
${EndIf}
FunctionEnd

Var hwndChkDesktopIcon

Function func_DesktopShortcutPage_CheckChange
${NSD_GetState} $hwndChkDesktopIcon $CreateDesktopIcon
${If} $CreateDesktopIcon == ${BST_CHECKED}
StrCpy $CreateDesktopIcon 1
${Else}
StrCpy $CreateDesktopIcon 0
${EndIf}
FunctionEnd

Function func_BeforeInstallPage_Init
push $R0

nsDialogs::Create 1018
pop $R0
${If} $R0 == error
Abort
${EndIf}
!insertmacro MUI_HEADER_TEXT "$(ConfirmInstallPageHeader)" "$(ConfirmInstallPageDesc)"

${NSD_CreateLabel} 0u 0u 300u 20u "$(DesktopIconPageDesc2)"
pop $R0

${NSD_CreateCheckbox} 0u 20u 300u 10u "$(DesktopIconPageCheckbox)"
pop $hwndChkDesktopIcon
${If} $CreateDesktopIcon == 1
${NSD_Check} $hwndChkDesktopIcon
${Else}
${NSD_Uncheck} $hwndChkDesktopIcon
${EndIf}
${NSD_OnClick} $hwndChkDesktopIcon func_DesktopShortcutPage_CheckChange

${NSD_CreateLabel} 0u 40u 300u 140u "$(ConfirmInstallPageDesc2)"
pop $R0

# TODO: Add install option summary for review?

nsDialogs::Show

pop $R0
FunctionEnd


# Strings
!include "translations\English.nsh"
!include "translations\TradChinese.nsh"
!include "translations\SimpChinese.nsh"