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Diffstat (limited to 'plugins/SDK/UPluginDefs.pas')
| -rw-r--r-- | plugins/SDK/UPluginDefs.pas | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/plugins/SDK/UPluginDefs.pas b/plugins/SDK/UPluginDefs.pas new file mode 100644 index 00000000..4cd094f7 --- /dev/null +++ b/plugins/SDK/UPluginDefs.pas @@ -0,0 +1,195 @@ +unit uPluginDefs; +{********************* + uPluginDefs + Some Basic Structures and Functions used to communicate with Plugins + Usable as Delphi Plugin SDK +*********************} + +interface + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +{$I switches.inc} + +type + DWORD = LongWord; + + //Compatibility with 64 Bit Systems + {$IFDEF CPU32} + TwParam = Integer; + TlParam = Pointer; //lParam is Used for 32 Bit addresses DWord is large enough + {$ELSE} + TwParam = Int64; + TlParam = Pointer; //lParam used for 64Bit addresses in 64 Bit Systems(FreePascal) + {$ENDIF} + //wParam is mainly used for Ordninals + //lParam is mainly used for Pointers + + //---------------- + // TUS_PluginInfo - Some Infos from Plugin to Core. + // Send when Plugininfo procedure is Called + // --- + // Version Structure: + // First Byte: Head Revison + // Second Byte: Sub Revison + // Third Byte: Sub Revision 2 + // Fourth Byte: Letter (For Bug Fix releases. 0 or 'a' .. 'z') + //---------------- + PUS_PluginInfo = ^TUS_PluginInfo; + TUS_PluginInfo = record + cbSize: Integer; //Size of this record (usefull if record will be extended in the future) + + Name: Array [0..31] of Char; //Name of the Plugin + Version: DWord; //Version of the Plugin + Description: Array [0..127] of Char; //Description, what does this Plugin do + Author: Array [0..31] of Char; //Author of this Plugin + AuthorEmail: Array [0..63] of Char; //Authors Email + Homepage: Array [0..63] of Char; //Homepage of Plugin/Author + end; + AUS_PluginInfo = Array of TUS_PluginInfo; + PAUS_PluginInfo = ^AUS_PluginInfo; + + //---------------- + // TUS_Hook - Structure of the Hook Function + // Return 0 if the Hook should be continue, + // or a non zero Value, if the Hook should be Interuped + // In this Case the Caller of the Notifier gets the Return Value + // Return Value Should not be -1 + //---------------- + TUS_Hook = Function (wParam: TwParam; lParam: TlParam): integer; stdcall; + TUS_Hook_of_Object = Function (wParam: TwParam; lParam: TlParam): integer of Object; + + //---------------- + // TUS_Service - Structure of the Service Function + // This Function is called if the Registered Service is Called + // Return Value Should not be SERVICE_NOT_FOUND + //---------------- + TUS_Service = Function (wParam: TwParam; lParam: TlParam): integer; stdcall; + TUS_Service_of_Object = Function (wParam: TwParam; lParam: TlParam): integer of Object; + + //---------------- + // TUS_PluginInterface - Structure that Includes all Methods callable + // from the Plugins + //---------------- + PUS_PluginInterface = ^TUS_PluginInterface; + TUS_PluginInterface = record + {******** Hook specific Methods ********} + {Function Creates a new Hookable Event and Returns the Handle + or 0 on Failure. (Name already exists)} + CreateHookableEvent: Function (EventName: PChar): THandle; stdcall; + + {Function Destroys an Event and Unhooks all Hooks to this Event. + 0 on success, not 0 on Failure} + DestroyHookableEvent: Function (hEvent: THandle): integer; stdcall; + + {Function start calling the Hook Chain + 0 if Chain is called until the End, -1 if Event Handle is not valid + otherwise Return Value of the Hook that breaks the Chain} + NotivyEventHooks: Function (hEvent: THandle; wParam: TwParam; lParam: TlParam): integer; stdcall; + + {Function Hooks an Event by Name. + Returns Hook Handle on Success, otherwise 0} + HookEvent: Function (EventName: PChar; HookProc: TUS_Hook): THandle; stdcall; + + {Function Removes the Hook from the Chain + Returns 0 on Success} + UnHookEvent: Function (hHook: THandle): Integer; stdcall; + + {Function Returns Non Zero if a Event with the given Name Exists, + otherwise 0} + EventExists: Function (EventName: PChar): Integer; stdcall; + + {******** Service specific Methods ********} + {Function Creates a new Service and Returns the Services Handle + or 0 on Failure. (Name already exists)} + CreateService: Function (ServiceName: PChar; ServiceProc: TUS_Service): THandle; stdcall; + + {Function Destroys a Service. + 0 on success, not 0 on Failure} + DestroyService: Function (hService: THandle): integer; stdcall; + + {Function Calls a Services Proc + Returns Services Return Value or SERVICE_NOT_FOUND on Failure} + CallService: Function (ServiceName: PChar; wParam: TwParam; lParam: TlParam): integer; stdcall; + + {Function Returns Non Zero if a Service with the given Name Exists, + otherwise 0} + ServiceExists: Function (ServiceName: PChar): Integer; stdcall; + end; + + //---------------- + //TModuleInfo: Info about Modules. Result of Core/GetModuleInfo + //---------------- + PModuleInfo = ^TModuleInfo; + TModuleInfo = record + Name: String; + Version: LongWord; + Description: String; + end; + AModuleInfo = array of TModuleInfo; + + //---------------- + // Procs that should be exported by Plugin Dlls + //---------------- + //Procedure is called to check if this is USDx Plugin + //Info is Pointer to this Plugins Info. Size is already set. Don't write over this limit + Proc_PluginInfo = procedure (Info: PUS_PluginInfo); stdcall; + + //Called on Plugins Load. If Non Zero is Returned => abort Loading + //PInterface is Pointer to PluginInterface + Func_Load = function (const PInterface: PUS_PluginInterface): Integer; stdcall; + + //Called on Plugins Init. If Non Zero is Returned => abort Loading + //PInterface is Pointer to PluginInterface + Func_Init = function (const PInterface: PUS_PluginInterface): Integer; stdcall; + + //Called on Plugins Deinit. + //PInterface is Pointer to PluginInterface + Proc_DeInit = procedure (const PInterface: PUS_PluginInterface); stdcall; + +//---------------- +// Some Default Constants +//---------------- +const + {Returned if Service is not found from CallService} + SERVICE_NOT_FOUND = LongInt($80000000); + + //for use in Service 'Core/ShowMessage' lParam(Symbol) + CORE_SM_NOSYMBOL= 0; + CORE_SM_ERROR = 1; + CORE_SM_WARNING = 2; + CORE_SM_INFO = 3; + + +//---------------- +// Some Functions to Handle Version DWords +//---------------- +Function MakeVersion(const HeadRevision, SubVersion, SubVersion2: Byte; Letter: Char): DWord; +Function VersiontoSting(const Version: DWord): String; + + +implementation + +//-------------- +// MakeVersion - Converts 4 Values to a valid Version DWord +//-------------- +Function MakeVersion(const HeadRevision, SubVersion, SubVersion2: Byte; Letter: Char): DWord; +begin + If (letter < 'a') or (Letter > 'z') then + letter := chr(0); + + Result := (HeadRevision shl 24) or (SubVersion shl 16) or (SubVersion2 shl 8) or Ord(Letter); +end; + +//-------------- +// VersiontoString - Returns some beauty '1.0.2a' like String +//-------------- +Function VersiontoSting(const Version: DWord): String; +begin // to-do : Write VersiontoString without SysUtils depencies + //Result := InttoStr((ver and $FF000000) shr 24); + Result := '1.0.1' +end; + +end. |