diff options
| -rw-r--r-- | src/base/UHooks.pas | 55 |
1 files changed, 27 insertions, 28 deletions
diff --git a/src/base/UHooks.pas b/src/base/UHooks.pas index ab830090..acf2bba7 100644 --- a/src/base/UHooks.pas +++ b/src/base/UHooks.pas @@ -46,23 +46,23 @@ type //Record that saves info from Subscriber PSubscriberInfo = ^TSubscriberInfo; TSubscriberInfo = record - Self: THandle; //ID of this Subscription (First word: ID of Subscription; 2nd word: ID of Hook) - Next: PSubscriberInfo; //Pointer to next Item in HookChain + Self: THandle; // ID of this Subscription (First word: ID of Subscription; 2nd word: ID of Hook) + Next: PSubscriberInfo; // Pointer to next Item in HookChain Owner: integer; //For Error Handling and Plugin Unloading. - //Here is s/t tricky - //To avoid writing of Wrapping Functions to Hook an Event with a Class - //We save a Normal Proc or a Method of a Class + // Here is s/t tricky + // To avoid writing of Wrapping Functions to Hook an Event with a Class + // We save a Normal Proc or a Method of a Class case isClass: boolean of - False: (Proc: TUS_Hook); //Proc that will be called on Event - True: (ProcOfClass: TUS_Hook_of_Object); + false: (Proc: TUS_Hook); //Proc that will be called on Event + true: (ProcOfClass: TUS_Hook_of_Object); end; TEventInfo = record - Name: string[60]; //Name of Event - FirstSubscriber: PSubscriberInfo; //First subscriber in chain - LastSubscriber: PSubscriberInfo; //Last " (for easier subscriber adding + Name: string[60]; // Name of Event + FirstSubscriber: PSubscriberInfo; // First subscriber in chain + LastSubscriber: PSubscriberInfo; // Last " (for easier subscriber adding) end; THookManager = class @@ -101,7 +101,8 @@ uses // Create - Creates Class and Set Standard Values //------------ constructor THookManager.Create(const SpacetoAllocate: word); -var I: integer; +var + I: integer; begin inherited Create(); @@ -121,7 +122,8 @@ end; // AddEvent - Adds an Event and return the Events Handle or 0 on Failure //------------ function THookManager.AddEvent (const EventName: Pchar): THandle; -var I: integer; +var + I: integer; begin Result := 0; @@ -177,7 +179,6 @@ begin hEvent := hEvent - 1; //Arrayindex is Handle - 1 Result := -1; - if (Length(Events) > hEvent) and (Events[hEvent].Name[1] <> chr(0)) then begin //Event exists //Free the Space for all Subscribers @@ -212,8 +213,8 @@ end; function THookManager.AddSubscriber (const EventName: Pchar; const Proc: TUS_Hook; const ProcOfClass: TUS_Hook_of_Object): THandle; var EventHandle: THandle; - EventIndex: Cardinal; - Cur: PSubscriberInfo; + EventIndex: integer; + Cur: PSubscriberInfo; begin Result := 0; @@ -224,7 +225,7 @@ begin if (EventHandle <> 0) then begin EventIndex := EventHandle - 1; - + //Get Memory GetMem(Cur, SizeOf(TSubscriberInfo)); @@ -236,12 +237,12 @@ begin if (@Proc = nil) then begin //Use the ProcofClass Method - Cur.isClass := True; + Cur.isClass := true; Cur.ProcOfClass := ProcofClass; end else //Use the normal Proc begin - Cur.isClass := False; + Cur.isClass := false; Cur.Proc := Proc; end; @@ -306,8 +307,8 @@ end; //------------ function THookManager.DelSubscriber (const hSubscriber: THandle): integer; var - EventIndex: Cardinal; - Cur, Last: PSubscriberInfo; + EventIndex: integer; + Cur, Last: PSubscriberInfo; begin Result := -1; EventIndex := ((hSubscriber and (High(THandle) xor High(word))) SHR 16) - 1; @@ -344,16 +345,15 @@ begin end; end; - //------------ // CallEventChain - Calls the Chain of a specified EventHandle // Returns: -1: Handle doesn't Exist, 0 Chain is called until the End //------------ function THookManager.CallEventChain (const hEvent: THandle; const wParam: TwParam; lParam: TlParam): integer; var - EventIndex: Cardinal; - Cur: PSubscriberInfo; - CurExecutedBackup: integer; //backup of Core.CurExecuted Attribute + EventIndex: integer; + Cur: PSubscriberInfo; + CurExecutedBackup: integer; // backup of Core.CurExecuted Attribute begin Result := -1; EventIndex := hEvent - 1; @@ -393,7 +393,7 @@ end; //------------ function THookManager.EventExists (const EventName: Pchar): integer; var - I: integer; + I: integer; Name: string[60]; begin Result := 0; @@ -418,7 +418,7 @@ end; //------------ procedure THookManager.DelbyOwner(const Owner: integer); var - I: integer; + I: integer; Cur, Last: PSubscriberInfo; begin //Search for Owner in all Hooks Chains @@ -426,7 +426,7 @@ begin begin if (Events[I].Name[1] <> chr(0)) then begin - + Last := nil; Cur := Events[I].FirstSubscriber; //Went Through Chain @@ -451,7 +451,6 @@ begin end; end; - function HookTest(wParam: TwParam; lParam: TlParam): integer; stdcall; begin Result := 0; //Don't break the chain |