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applied patch #1912699 - "Pinned" / always loaded plugins support

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this patch also adds plugin_api_version to exec_flags so your plug-in can now tell if features it needs are available
more plug-ins that need this will be converted once the patch to make both the stubs and the plug-ins use the same header file is in place

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5809 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
kichik 2008-11-29 22:03:33 +00:00
parent 9ac4ab0891
commit 4c30821aa5
10 changed files with 173 additions and 7 deletions
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36
Source/exehead/plugin.h Normal file
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#ifndef _PLUGINCALLBACKS_H_
#define _PLUGINCALLBACKS_H_
#include "../Platform.h"
#include "fileform.h"
#ifdef NSIS_CONFIG_PLUGIN_SUPPORT
// 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)(NSPIM);
extern BOOL NSISCALL RegisterPluginCallback(HMODULE pluginHandle, NSISPLUGINCALLBACK proc);
extern void NSISCALL Plugins_SendMsgToAllPlugins(int msg);
extern void NSISCALL Plugins_UnloadAll();
extern BOOL NSISCALL Plugins_CanUnload(HANDLE pluginHandle);
#endif /* #ifdef NSIS_CONFIG_PLUGIN_SUPPORT */
#endif /* _PLUGINCALLBACKS_H_ */