12-5

installer.nsh

@@ -1,9 +1,44 @@
+Unicode True
+!include "LogicLib.nsh"
+
+Var defaultInstallDir
+
 !macro preInit
-    SetRegView 64
-    WriteRegExpandStr HKLM "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES\${APP_ID}"
-    WriteRegExpandStr HKCU "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES\${APP_ID}"
-    #writeUninstaller $INSTDIR\uninstaller.exe
-    SetRegView 32
-    WriteRegExpandStr HKLM "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES\${APP_ID}"
-    WriteRegExpandStr HKCU "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES\${APP_ID}"
+
+    IfFileExists "D:\*.*" DDriveExists CDriveDefault
+    
+    CDriveDefault:
+        StrCpy $defaultInstallDir "$PROGRAMFILES\${APP_ID}"
+        Goto doneDetect
+    
+    DDriveExists:
+        StrCpy $defaultInstallDir "D:\${APP_ID}"
+    
+    doneDetect:
+
+    StrCpy $INSTDIR "$defaultInstallDir"
+
 !macroend
+
+!macro init
+    ${If} $INSTDIR == ""
+        StrCpy $INSTDIR "$defaultInstallDir"
+    ${EndIf}
+!macroend
+
+
+!insertmacro preInit
+!insertmacro init
+
+Section "MainSection" SEC01
+    CreateDirectory "$INSTDIR"
+    SetRegView 64
+    WriteRegStr HKLM "${INSTALL_REGISTRY_KEY}" "InstallLocation" "$INSTDIR"
+    WriteRegStr HKCU "${INSTALL_REGISTRY_KEY}" "InstallLocation" "$INSTDIR"
+    SetRegView 32
+    WriteRegStr HKLM "${INSTALL_REGISTRY_KEY}" "InstallLocation" "$INSTDIR"
+    WriteRegStr HKCU "${INSTALL_REGISTRY_KEY}" "InstallLocation" "$INSTDIR"
+SectionEnd
+
+Page Directory
+Page InstFiles