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/*
* apih
*
* This file is a part of NSIS.
*
* Copyright (C) 1999-2017 Nullsoft and Contributors
*
* Licensed under the zlib/libpng license (the "License");
* you may not use this file except in compliance with the License.
*
* Licence details can be found in the file COPYING.
*
* This software is provided 'as-is', without any express or implied
* warranty.
*/
#ifndef _NSIS_EXEHEAD_API_H_
#define _NSIS_EXEHEAD_API_H_
// Starting with NSIS 2.42, you can check the version of the plugin API in exec_flags->plugin_api_version
// The format is 0xXXXXYYYY where X is the major version and Y is the minor version (MAKELONG(y,x))
// When doing version checks, always remember to use >=, ex: if (pX->exec_flags->plugin_api_version >= NSISPIAPIVER_1_0) {}
#define NSISPIAPIVER_1_0 0x00010000
#define NSISPIAPIVER_CURR NSISPIAPIVER_1_0
// NSIS Plug-In Callback Messages
enum NSPIM
{
NSPIM_UNLOAD, // This is the last message a plugin gets, do final cleanup
NSPIM_GUIUNLOAD, // Called after .onGUIEnd
};
// Prototype for callbacks registered with extra_parameters->RegisterPluginCallback()
// Return NULL for unknown messages
// Should always be __cdecl for future expansion possibilities
typedef UINT_PTR (*NSISPLUGINCALLBACK)(enum NSPIM);
// extra_parameters data structure containing other interesting stuff
// besides the stack, variables and HWND passed on to plug-ins.
typedef struct
{
int autoclose; // SetAutoClose
int all_user_var; // SetShellVarContext: User context = 0, Machine context = 1
int exec_error; // IfErrors
int abort; // IfAbort
int exec_reboot; // IfRebootFlag (NSIS_SUPPORT_REBOOT)
int reboot_called; // NSIS_SUPPORT_REBOOT
int XXX_cur_insttype; // Deprecated
int plugin_api_version; // Plug-in ABI. See NSISPIAPIVER_CURR (Note: used to be XXX_insttype_changed)
int silent; // IfSilent (NSIS_CONFIG_SILENT_SUPPORT)
int instdir_error; // GetInstDirError
int rtl; // 1 if $LANGUAGE is a RTL language
int errlvl; // SetErrorLevel
int alter_reg_view; // SetRegView: Default View = 0, Alternative View = (sizeof(void*) > 4 ? KEY_WOW64_32KEY : KEY_WOW64_64KEY)
int status_update; // SetDetailsPrint
} exec_flags_t;
#ifndef NSISCALL
# define NSISCALL __stdcall
#endif
#if !defined(_WIN32) && !defined(LPTSTR)
# define LPTSTR TCHAR*
#endif
typedef struct {
exec_flags_t *exec_flags;
int (NSISCALL *ExecuteCodeSegment)(int, HWND);
void (NSISCALL *validate_filename)(LPTSTR);
int (NSISCALL *RegisterPluginCallback)(HMODULE, NSISPLUGINCALLBACK); // returns 0 on success, 1 if already registered and < 0 on errors
} extra_parameters;
// Definitions for page showing plug-ins
// See Ui.c to understand better how they're used
// sent to the outer window to tell it to go to the next inner window
#define WM_NOTIFY_OUTER_NEXT (WM_USER+0x8)
// custom pages should send this message to let NSIS know they're ready
#define WM_NOTIFY_CUSTOM_READY (WM_USER+0xd)
// sent as wParam with WM_NOTIFY_OUTER_NEXT when user cancels - heed its warning
#define NOTIFY_BYE_BYE 'x'
#endif /* _NSIS_EXEHEAD_API_H_ */
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