diff options
Diffstat (limited to 'Game/Code/lib/JEDI-SDL/SDL/Pas/sdlinput.pas')
| -rw-r--r-- | Game/Code/lib/JEDI-SDL/SDL/Pas/sdlinput.pas | 923 |
1 files changed, 0 insertions, 923 deletions
diff --git a/Game/Code/lib/JEDI-SDL/SDL/Pas/sdlinput.pas b/Game/Code/lib/JEDI-SDL/SDL/Pas/sdlinput.pas deleted file mode 100644 index 094f4e0f..00000000 --- a/Game/Code/lib/JEDI-SDL/SDL/Pas/sdlinput.pas +++ /dev/null @@ -1,923 +0,0 @@ -unit sdlinput; -{ - $Id: sdlinput.pas,v 1.9 2007/08/22 21:18:43 savage Exp $ - -} -{******************************************************************************} -{ } -{ JEDI-SDL : Pascal units for SDL - Simple DirectMedia Layer } -{ SDL Input Wrapper } -{ } -{ } -{ The initial developer of this Pascal code was : } -{ Dominique Louis <Dominique@SavageSoftware.com.au> } -{ } -{ Portions created by Dominique Louis are } -{ Copyright (C) 2003 - 2100 Dominique Louis. } -{ } -{ } -{ Contributor(s) } -{ -------------- } -{ Dominique Louis <Dominique@SavageSoftware.com.au> } -{ } -{ Obtained through: } -{ Joint Endeavour of Delphi Innovators ( Project JEDI ) } -{ } -{ You may retrieve the latest version of this file at the Project } -{ JEDI home page, located at http://delphi-jedi.org } -{ } -{ The contents of this file are used with permission, subject to } -{ the Mozilla Public License Version 1.1 (the "License"); you may } -{ not use this file except in compliance with the License. You may } -{ obtain a copy of the License at } -{ http://www.mozilla.org/MPL/MPL-1.1.html } -{ } -{ Software distributed under the License is distributed on an } -{ "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or } -{ implied. See the License for the specific language governing } -{ rights and limitations under the License. } -{ } -{ Description } -{ ----------- } -{ SDL Mouse, Keyboard and Joystick wrapper } -{ } -{ } -{ Requires } -{ -------- } -{ SDL.dll on Windows platforms } -{ libSDL-1.1.so.0 on Linux platform } -{ } -{ Programming Notes } -{ ----------------- } -{ } -{ } -{ } -{ } -{ Revision History } -{ ---------------- } -{ March 12 2003 - DL : Initial creation } -{ } -{ February 02 2004 - DL : Added Custom Cursor Support to the Mouse class } -{ - $Log: sdlinput.pas,v $ - Revision 1.9 2007/08/22 21:18:43 savage - Thanks to Dean for his MouseDelta patch. - - Revision 1.8 2005/08/03 18:57:32 savage - Various updates and additions. Mainly to handle OpenGL 3D Window support and better cursor support for the mouse class - - Revision 1.7 2004/09/30 22:32:04 savage - Updated with slightly different header comments - - Revision 1.6 2004/09/12 21:52:58 savage - Slight changes to fix some issues with the sdl classes. - - Revision 1.5 2004/05/10 21:11:49 savage - changes required to help get SoAoS off the ground. - - Revision 1.4 2004/05/03 22:38:40 savage - Added the ability to enable or disable certain inputs @ runtime. Basically it just does not call UpdateInput if Enabled = false. - Can also disable and enable input devices via the InputManager. - - Revision 1.3 2004/04/28 21:27:01 savage - Updated Joystick code and event handlers. Needs testing... - - Revision 1.2 2004/02/14 22:36:29 savage - Fixed inconsistencies of using LoadLibrary and LoadModule. - Now all units make use of LoadModule rather than LoadLibrary and other dynamic proc procedures. - - Revision 1.1 2004/02/05 00:08:20 savage - Module 1.0 release - - -} -{******************************************************************************} - -interface - -{$i jedi-sdl.inc} - -uses - Classes, - sdl; - -type - TSDLInputType = ( itJoystick , itKeyBoard, itMouse ); - TSDLInputTypes = set of TSDLInputType; - - TSDLCustomInput = class( TObject ) - private - FEnabled: Boolean; - public - constructor Create; - function UpdateInput( event: TSDL_EVENT ) : Boolean; virtual; abstract; - property Enabled : Boolean read FEnabled write FEnabled; - end; - - TSDLJoyAxisMoveEvent = procedure ( Which: UInt8; Axis: UInt8; Value: SInt16 ) {$IFNDEF NOT_OO}of object{$ENDIF}; - TSDLJoyBallMoveEvent = procedure ( Which: UInt8; Ball: UInt8; RelativePos: TPoint ) {$IFNDEF NOT_OO}of object{$ENDIF}; - TSDLJoyHatMoveEvent = procedure ( Which: UInt8; Hat: UInt8; Value: SInt16 ) {$IFNDEF NOT_OO}of object{$ENDIF}; - TSDLJoyButtonEvent = procedure ( Which: UInt8; Button: UInt8; State: SInt16 ) {$IFNDEF NOT_OO}of object{$ENDIF}; - - - TSDLJoyStick = class( TSDLCustomInput ) - private - FJoystick : PSDL_Joystick; - FJoystickIndex : Integer; - FJoyAxisMoveEvent : TSDLJoyAxisMoveEvent; - FJoyBallMoveEvent : TSDLJoyBallMoveEvent; - FJoyHatMoveEvent : TSDLJoyHatMoveEvent; - FJoyButtonDownEvent : TSDLJoyButtonEvent; - FJoyButtonUpEvent : TSDLJoyButtonEvent; - procedure DoAxisMove( Event : TSDL_Event ); - procedure DoBallMove( Event : TSDL_Event ); - procedure DoHatMove( Event : TSDL_Event ); - procedure DoButtonDown( Event : TSDL_Event ); - procedure DoButtonUp( Event : TSDL_Event ); - function GetName: PChar; - function GetNumAxes: integer; - function GetNumBalls: integer; - function GetNumButtons: integer; - function GetNumHats: integer; - public - constructor Create( Index : Integer ); - destructor Destroy; override; - procedure Open; - procedure Close; - function UpdateInput( Event: TSDL_EVENT ) : Boolean; override; - property Name : PChar read GetName; - property NumAxes : integer read GetNumAxes; - property NumBalls : integer read GetNumBalls; - property NumButtons : integer read GetNumButtons; - property NumHats : integer read GetNumHats; - property OnAxisMove : TSDLJoyAxisMoveEvent read FJoyAxisMoveEvent write FJoyAxisMoveEvent; - property OnBallMove : TSDLJoyBallMoveEvent read FJoyBallMoveEvent write FJoyBallMoveEvent; - property OnHatMove : TSDLJoyHatMoveEvent read FJoyHatMoveEvent write FJoyHatMoveEvent; - property OnButtonDown : TSDLJoyButtonEvent read FJoyButtonDownEvent write FJoyButtonDownEvent; - property OnButtonUp : TSDLJoyButtonEvent read FJoyButtonUpEvent write FJoyButtonUpEvent; - end; - - TSDLJoySticks = class( TObject ) - private - FNumOfJoySticks: Integer; - FJoyStickList : TList; - function GetJoyStick(Index: integer): TSDLJoyStick; - procedure SetJoyStick(Index: integer; const Value: TSDLJoyStick); - public - constructor Create; - destructor Destroy; override; - function UpdateInput( event: TSDL_EVENT ) : Boolean; - property NumOfJoySticks : Integer read FNumOfJoySticks write FNumOfJoySticks; - property JoySticks[ Index : integer ] : TSDLJoyStick read GetJoyStick write SetJoyStick; - end; - - TSDLKeyBoardEvent = procedure ( var Key: TSDLKey; Shift: TSDLMod; unicode : UInt16 ) {$IFNDEF NOT_OO}of object{$ENDIF}; - - TSDLKeyBoard = class( TSDLCustomInput ) - private - FKeys : PKeyStateArr; - FOnKeyUp: TSDLKeyBoardEvent; - FOnKeyDown: TSDLKeyBoardEvent; - procedure DoKeyDown( keysym : PSDL_keysym ); - procedure DoKeyUp( keysym : PSDL_keysym ); - public - function IsKeyDown( Key : TSDLKey ) : Boolean; - function IsKeyUp( Key : TSDLKey ) : Boolean; - function UpdateInput( event: TSDL_EVENT ) : Boolean; override; - property Keys : PKeyStateArr read FKeys write FKeys; - property OnKeyDown : TSDLKeyBoardEvent read FOnKeyDown write FOnKeyDown; - property OnKeyUp : TSDLKeyBoardEvent read FOnKeyUp write FOnKeyUp; - end; - - TSDLMouseButtonEvent = procedure ( Button : Integer; Shift: TSDLMod; MousePos : TPoint ) {$IFNDEF NOT_OO}of object{$ENDIF}; - TSDLMouseMoveEvent = procedure ( Shift: TSDLMod; CurrentPos : TPoint; RelativePos : TPoint ) {$IFNDEF NOT_OO}of object{$ENDIF}; - TSDLMouseWheelEvent = procedure ( WheelDelta : Integer; Shift: TSDLMod; MousePos : TPoint ) {$IFNDEF NOT_OO}of object{$ENDIF}; - - TSDLCustomCursor = class( TObject ) - private - FFileName : string; - FHotPoint: TPoint; - procedure SetFileName(const aValue: string ); - function ScanForChar( str : string; ch : Char; startPos : Integer; lookFor : Boolean ) : Integer; - public - constructor Create( const aFileName : string; aHotPoint: TPoint ); - procedure LoadFromFile( const aFileName : string ); virtual; abstract; - procedure LoadFromStream( aStream : TStream ); virtual; abstract; - procedure Show; virtual; abstract; - property FileName : string read FFileName write SetFileName; - property HotPoint : TPoint read FHotPoint write FHotPoint; - end; - - TSDLXPMCursor = class( TSDLCustomCursor ) - private - FCursor : PSDL_Cursor; - procedure FreeCursor; - public - destructor Destroy; override; - procedure LoadFromFile( const aFileName : string ); override; - procedure LoadFromStream( aStream : TStream ); override; - procedure Show; override; - end; - - TSDLCursorList = class( TStringList ) - protected - function GetObject( aIndex : Integer ): TSDLCustomCursor; reintroduce; - procedure PutObject( aIndex : Integer; AObject : TSDLCustomCursor); reintroduce; - public - constructor Create; - function AddCursor(const aName : string; aObject : TSDLCustomCursor): Integer; virtual; - end; - - TSDLMouse = class( TSDLCustomInput ) - private - FDragging : Boolean; - FMousePos : TPoint; - FOnMouseUp: TSDLMouseButtonEvent; - FOnMouseDown: TSDLMouseButtonEvent; - FOnMouseMove: TSDLMouseMoveEvent; - FOnMouseWheel: TSDLMouseWheelEvent; - FCursorList : TSDLCursorList; // Cursor Pointer - procedure DoMouseMove( Event: TSDL_Event ); - procedure DoMouseDown( Event: TSDL_Event ); - procedure DoMouseUp( Event: TSDL_Event ); - procedure DoMouseWheelScroll( Event: TSDL_Event ); - function GetMousePosition: TPoint; - procedure SetMousePosition(const Value: TPoint); - function GetMouseDelta: TPoint; - public - destructor Destroy; override; - function UpdateInput( event: TSDL_EVENT ) : Boolean; override; - function MouseIsDown( Button : Integer ) : Boolean; - function MouseIsUp( Button : Integer ) : Boolean; - procedure ShowCursor; - procedure HideCursor; - property OnMouseDown : TSDLMouseButtonEvent read FOnMouseDown write FOnMouseDown; - property OnMouseUp : TSDLMouseButtonEvent read FOnMouseUp write FOnMouseUp; - property OnMouseMove : TSDLMouseMoveEvent read FOnMouseMove write FOnMouseMove; - property OnMouseWheel : TSDLMouseWheelEvent read FOnMouseWheel write FOnMouseWheel; - property MousePosition : TPoint read GetMousePosition write SetMousePosition; - property MouseDelta: TPoint read GetMouseDelta; - property Cursors : TSDLCursorList read FCursorList write FCursorList; - end; - - TSDLInputManager = class( TObject ) - private - FKeyBoard : TSDLKeyBoard; - FMouse : TSDLMouse; - FJoystick : TSDLJoysticks; - public - constructor Create( InitInputs : TSDLInputTypes ); - destructor Destroy; override; - procedure Disable( InitInputs : TSDLInputTypes; JoyStickNumber : Integer = 0 ); - procedure Enable( InitInputs : TSDLInputTypes; JoyStickNumber : Integer = 0 ); - function UpdateInputs( event: TSDL_EVENT ) : Boolean; - property KeyBoard : TSDLKeyBoard read FKeyBoard write FKeyBoard; - property Mouse : TSDLMouse read FMouse write FMouse; - property JoyStick : TSDLJoysticks read FJoyStick write FJoyStick; - end; - -implementation - -uses - SysUtils; - -{ TSDLCustomInput } -constructor TSDLCustomInput.Create; -begin - inherited; - FEnabled := true; -end; - -{ TSDLJoysticks } -constructor TSDLJoysticks.Create; -var - i : integer; -begin - inherited; - if ( SDL_WasInit( SDL_INIT_JOYSTICK ) = 0 ) then - SDL_InitSubSystem( SDL_INIT_JOYSTICK ); - FNumOfJoySticks := SDL_NumJoysticks; - FJoyStickList := TList.Create; - for i := 0 to FNumOfJoySticks - 1 do - begin - FJoyStickList.Add( TSDLJoyStick.Create( i ) ); - end; -end; - -destructor TSDLJoysticks.Destroy; -var - i : integer; -begin - if FJoyStickList.Count > 0 then - begin - for i := 0 to FJoyStickList.Count - 1 do - begin - TSDLJoyStick( FJoyStickList.Items[i] ).Free; - end; - end; - SDL_QuitSubSystem( SDL_INIT_JOYSTICK ); - inherited; -end; - -function TSDLJoySticks.GetJoyStick(Index: integer): TSDLJoyStick; -begin - Result := TSDLJoyStick( FJoyStickList[ Index ] ); -end; - -procedure TSDLJoySticks.SetJoyStick(Index: integer; - const Value: TSDLJoyStick); -begin - FJoyStickList[ Index ] := @Value; -end; - -function TSDLJoysticks.UpdateInput(event: TSDL_EVENT): Boolean; -var - i : integer; -begin - result := false; - if FJoyStickList.Count > 0 then - begin - for i := 0 to FJoyStickList.Count - 1 do - begin - TSDLJoyStick( FJoyStickList.Items[i] ).UpdateInput( event ); - end; - end; -end; - -{ TSDLKeyBoard } -procedure TSDLKeyBoard.DoKeyDown(keysym: PSDL_keysym); -begin - if Assigned( FOnKeyDown ) then - FOnKeyDown( keysym.sym , keysym.modifier, keysym.unicode ); -end; - -procedure TSDLKeyBoard.DoKeyUp(keysym: PSDL_keysym); -begin - if Assigned( FOnKeyUp ) then - FOnKeyUp( keysym.sym , keysym.modifier, keysym.unicode ); -end; - -function TSDLKeyBoard.IsKeyDown( Key: TSDLKey ): Boolean; -begin - SDL_PumpEvents; - - // Populate Keys array - FKeys := PKeyStateArr( SDL_GetKeyState( nil ) ); - Result := ( FKeys[Key] = SDL_PRESSED ); -end; - -function TSDLKeyBoard.IsKeyUp( Key: TSDLKey ): Boolean; -begin - SDL_PumpEvents; - - // Populate Keys array - FKeys := PKeyStateArr( SDL_GetKeyState( nil ) ); - Result := ( FKeys[Key] = SDL_RELEASED ); -end; - -function TSDLKeyBoard.UpdateInput(event: TSDL_EVENT): Boolean; -begin - result := false; - if ( FEnabled ) then - begin - case event.type_ of - SDL_KEYDOWN : - begin - // handle key presses - DoKeyDown( @event.key.keysym ); - result := true; - end; - - SDL_KEYUP : - begin - // handle key releases - DoKeyUp( @event.key.keysym ); - result := true; - end; - end; - end; -end; - -{ TSDLMouse } -destructor TSDLMouse.Destroy; -begin - - inherited; -end; - -procedure TSDLMouse.DoMouseDown( Event: TSDL_Event ); -var - CurrentPos : TPoint; -begin - FDragging := true; - if Assigned( FOnMouseDown ) then - begin - CurrentPos.x := event.button.x; - CurrentPos.y := event.button.y; - FOnMouseDown( event.button.button, SDL_GetModState, CurrentPos ); - end; -end; - -procedure TSDLMouse.DoMouseMove( Event: TSDL_Event ); -var - CurrentPos, RelativePos : TPoint; -begin - if Assigned( FOnMouseMove ) then - begin - CurrentPos.x := event.motion.x; - CurrentPos.y := event.motion.y; - RelativePos.x := event.motion.xrel; - RelativePos.y := event.motion.yrel; - FOnMouseMove( SDL_GetModState, CurrentPos, RelativePos ); - end; -end; - -procedure TSDLMouse.DoMouseUp( event: TSDL_EVENT ); -var - Point : TPoint; -begin - FDragging := false; - if Assigned( FOnMouseUp ) then - begin - Point.x := event.button.x; - Point.y := event.button.y; - FOnMouseUp( event.button.button, SDL_GetModState, Point ); - end; -end; - -procedure TSDLMouse.DoMouseWheelScroll( event: TSDL_EVENT ); -var - Point : TPoint; -begin - if Assigned( FOnMouseWheel ) then - begin - Point.x := event.button.x; - Point.y := event.button.y; - if ( event.button.button = SDL_BUTTON_WHEELUP ) then - FOnMouseWheel( SDL_BUTTON_WHEELUP, SDL_GetModState, Point ) - else - FOnMouseWheel( SDL_BUTTON_WHEELDOWN, SDL_GetModState, Point ); - end; -end; - -function TSDLMouse.GetMouseDelta: TPoint; -begin - SDL_PumpEvents; - - SDL_GetRelativeMouseState( Result.X, Result.Y ); -end; - -function TSDLMouse.GetMousePosition: TPoint; -begin - SDL_PumpEvents; - - SDL_GetMouseState( FMousePos.X, FMousePos.Y ); - Result := FMousePos; -end; - -procedure TSDLMouse.HideCursor; -begin - SDL_ShowCursor( SDL_DISABLE ); -end; - -function TSDLMouse.MouseIsDown(Button: Integer): Boolean; -begin - SDL_PumpEvents; - - Result := ( SDL_GetMouseState( FMousePos.X, FMousePos.Y ) and SDL_BUTTON( Button ) = 0 ); -end; - -function TSDLMouse.MouseIsUp(Button: Integer): Boolean; -begin - SDL_PumpEvents; - - Result := not ( SDL_GetMouseState( FMousePos.X, FMousePos.Y ) and SDL_BUTTON( Button ) = 0 ); -end; - -procedure TSDLMouse.SetMousePosition(const Value: TPoint); -begin - SDL_WarpMouse( Value.x, Value.y ); -end; - -procedure TSDLMouse.ShowCursor; -begin - SDL_ShowCursor( SDL_ENABLE ); -end; - -function TSDLMouse.UpdateInput(event: TSDL_EVENT): Boolean; -begin - result := false; - if ( FEnabled ) then - begin - case event.type_ of - SDL_MOUSEMOTION : - begin - // handle Mouse Move - DoMouseMove( event ); - end; - - SDL_MOUSEBUTTONDOWN : - begin - // handle Mouse Down - if ( event.button.button = SDL_BUTTON_WHEELUP ) - or ( event.button.button = SDL_BUTTON_WHEELDOWN ) then - DoMouseWheelScroll( event ) - else - DoMouseDown( event ); - end; - - SDL_MOUSEBUTTONUP : - begin - // handle Mouse Up - if ( event.button.button = SDL_BUTTON_WHEELUP ) - or ( event.button.button = SDL_BUTTON_WHEELDOWN ) then - DoMouseWheelScroll( event ) - else - DoMouseUp( event ); - end; - end; - end; -end; - -{ TSDLInputManager } -constructor TSDLInputManager.Create(InitInputs: TSDLInputTypes); -begin - inherited Create; - if itJoystick in InitInputs then - FJoystick := TSDLJoysticks.Create; - - if itKeyBoard in InitInputs then - FKeyBoard := TSDLKeyBoard.Create; - - if itMouse in InitInputs then - FMouse := TSDLMouse.Create; -end; - -destructor TSDLInputManager.Destroy; -begin - if FJoystick <> nil then - FreeAndNil( FJoystick ); - if FKeyBoard <> nil then - FreeAndNil( FKeyBoard ); - if FMouse <> nil then - FreeAndNil( FMouse ); - inherited; -end; - -procedure TSDLInputManager.Disable( InitInputs : TSDLInputTypes; JoyStickNumber : Integer ); -begin - if itJoystick in InitInputs then - FJoystick.JoySticks[ JoyStickNumber ].Enabled := false; - - if itKeyBoard in InitInputs then - FKeyBoard.Enabled := false; - - if itMouse in InitInputs then - FMouse.Enabled := false; -end; - -procedure TSDLInputManager.Enable( InitInputs: TSDLInputTypes; JoyStickNumber: Integer ); -begin - if itJoystick in InitInputs then - FJoystick.JoySticks[ JoyStickNumber ].Enabled := true; - - if itKeyBoard in InitInputs then - FKeyBoard.Enabled := true; - - if itMouse in InitInputs then - FMouse.Enabled := true; -end; - -function TSDLInputManager.UpdateInputs( event: TSDL_EVENT ): Boolean; -begin - Result := false; - if ( FJoystick <> nil ) then - Result := FJoystick.UpdateInput( event ); - if ( FKeyBoard <> nil ) then - Result := FKeyBoard.UpdateInput( event ); - if ( FMouse <> nil ) then - Result := FMouse.UpdateInput( event ); -end; - -{ TSDLJoyStick } -procedure TSDLJoyStick.Close; -begin - SDL_JoystickClose( @FJoystick ); -end; - -constructor TSDLJoyStick.Create( Index : Integer ); -begin - inherited Create; - FJoystick := nil; - FJoystickIndex := Index; -end; - -destructor TSDLJoyStick.Destroy; -begin - if FJoystick <> nil then - Close; - inherited; -end; - -procedure TSDLJoyStick.DoAxisMove(Event: TSDL_Event); -begin - if Assigned( FJoyAxisMoveEvent ) then - begin - FJoyAxisMoveEvent( Event.jaxis.which, Event.jaxis.axis, Event.jaxis.value ); - end -end; - -procedure TSDLJoyStick.DoBallMove(Event: TSDL_Event); -var - BallPoint : TPoint; -begin - if Assigned( FJoyBallMoveEvent ) then - begin - BallPoint.x := Event.jball.xrel; - BallPoint.y := Event.jball.yrel; - FJoyBallMoveEvent( Event.jball.which, Event.jball.ball, BallPoint ); - end; -end; - -procedure TSDLJoyStick.DoButtonDown(Event: TSDL_Event); -begin - if Assigned( FJoyButtonDownEvent ) then - begin - if ( Event.jbutton.state = SDL_PRESSED ) then - FJoyButtonDownEvent( Event.jbutton.which, Event.jbutton.button, Event.jbutton.state ); - end; -end; - -procedure TSDLJoyStick.DoButtonUp(Event: TSDL_Event); -begin - if Assigned( FJoyButtonUpEvent ) then - begin - if ( Event.jbutton.state = SDL_RELEASED ) then - FJoyButtonUpEvent( Event.jbutton.which, Event.jbutton.button, Event.jbutton.state ); - end -end; - -procedure TSDLJoyStick.DoHatMove(Event: TSDL_Event); -begin - if Assigned( FJoyHatMoveEvent ) then - begin - FJoyHatMoveEvent( Event.jhat.which, Event.jhat.hat, Event.jhat.value ); - end; -end; - -function TSDLJoyStick.GetName: PChar; -begin - result := FJoystick.name; -end; - -function TSDLJoyStick.GetNumAxes: integer; -begin - result := FJoystick.naxes; -end; - -function TSDLJoyStick.GetNumBalls: integer; -begin - result := FJoystick.nballs; -end; - -function TSDLJoyStick.GetNumButtons: integer; -begin - result := FJoystick.nbuttons; -end; - -function TSDLJoyStick.GetNumHats: integer; -begin - result := FJoystick.nhats; -end; - -procedure TSDLJoyStick.Open; -begin - FJoystick := SDL_JoyStickOpen( FJoystickIndex ); -end; - -function TSDLJoyStick.UpdateInput(Event: TSDL_EVENT): Boolean; -begin - Result := false; - - if ( FEnabled ) then - begin - case event.type_ of - SDL_JOYAXISMOTION : - begin - DoAxisMove( Event ); - end; - - SDL_JOYBALLMOTION : - begin - DoBallMove( Event ); - end; - - SDL_JOYHATMOTION : - begin - DoHatMove( Event ); - end; - - SDL_JOYBUTTONDOWN : - begin - DoButtonDown( Event ); - end; - - SDL_JOYBUTTONUP : - begin - DoButtonUp( Event ); - end; - end; - end; -end; - -{ TSDLCustomCursor } - -constructor TSDLCustomCursor.Create(const aFileName: string; aHotPoint: TPoint); -begin - inherited Create; - FHotPoint := aHotPoint; - LoadFromFile( aFileName ); -end; - -function TSDLCustomCursor.ScanForChar(str: string; ch: Char; - startPos: Integer; lookFor: Boolean): Integer; -begin - Result := -1; - while ( ( ( str[ startPos ] = ch ) <> lookFor ) and ( startPos < Length( str ) ) ) do - inc( startPos ); - if startPos <> Length( str ) then - Result := startPos; -end; - -procedure TSDLCustomCursor.SetFileName(const aValue: string); -begin - LoadFromFile( aValue ); -end; - -{ TSDLXPMCursor } - -destructor TSDLXPMCursor.Destroy; -begin - FreeCursor; - inherited; -end; - -procedure TSDLXPMCursor.FreeCursor; -begin - if FCursor <> nil then - begin - SDL_FreeCursor( FCursor ); - FFileName := ''; - end; -end; - -procedure TSDLXPMCursor.LoadFromFile(const aFileName: string); -var - xpmFile : Textfile; - step : Integer; - holdPos : Integer; - counter : Integer; - dimensions : array[ 1..3 ] of Integer; - clr, clrNone, clrBlack, clrWhite : Char; - data, mask : array of UInt8; - i, col : Integer; - LineString : string; -begin - FreeCursor; - AssignFile( xpmFile, aFileName ); - Reset( xpmFile ); - step := 0; - i := -1; - clrBlack := 'X'; - clrWhite := ','; - clrNone := ' '; - counter := 0; - while not ( eof( xpmFile ) ) do - begin - Readln( xpmFile, LineString ); - // scan for strings - if LineString[ 1 ] = '"' then - begin - case step of - 0 : // Get dimensions (should be width height number-of-colors ???) - begin - HoldPos := 2; - counter := ScanForChar( LineString, ' ', HoldPos, False ); - counter := ScanForChar( LineString, ' ', counter, True ); - dimensions[ 1 ] := StrToInt( Copy( LineString, HoldPos, counter - HoldPos ) ); - counter := ScanForChar( LineString, ' ', counter, False ); - holdPos := counter; - counter := ScanForChar( LineString, ' ', counter, True ); - dimensions[ 2 ] := StrToInt( Copy( LineString, holdPos, counter - HoldPos ) ); - counter := ScanForChar( LineString, ' ', counter, False ); - holdPos := counter; - counter := ScanForChar( LineString, ' ', counter, True ); - dimensions[ 3 ] := StrToInt( Copy( LineString, holdPos, counter - HoldPos ) ); - step := 1; - SetLength( data, ( dimensions[ 1 ] * dimensions[ 2 ] ) div 8 ); - SetLength( mask, ( dimensions[ 1 ] * dimensions[ 2 ] ) div 8 ); - //Log.LogStatus( 'Length = ' + IntToStr( ( dimensions[ 1 ] * dimensions[ 2 ] ) div 8 ), 'LoadCursorFromFile' ); - end; - 1 : // get the symbols for transparent, black and white - begin - // get the symbol for the color - clr := LineString[ 2 ]; - // look for the 'c' symbol - counter := ScanForChar( LineString, 'c', 3, True ); - inc( counter ); - counter := ScanForChar( LineString, ' ', counter, False ); - if LowerCase( Copy( LineString, counter, 4 ) ) = 'none' then - begin - clrNone := clr; - end; - if LowerCase( Copy( LineString, counter, 7 ) ) = '#ffffff' then - begin - clrWhite := clr; - end; - if LowerCase( Copy( LineString, counter, 7 ) ) = '#000000' then - begin - clrBlack := clr; - end; - dec( dimensions[ 3 ] ); - if dimensions[ 3 ] = 0 then - begin - step := 2; - counter := 0; - end; - end; - 2 : // get cursor information -- modified from the SDL - // documentation of SDL_CreateCursor. - begin - for col := 1 to dimensions[1] do - begin - if ( ( col mod 8 ) <> 1 ) then - begin - data[ i ] := data[ i ] shl 1; - mask[ i ] := mask[ i ] shl 1; - end - else - begin - inc( i ); - data[ i ] := 0; - mask[ i ] := 0; - end; - if LineString[ col ] = clrWhite then - begin - mask[ i ] := mask[ i ] or $01; - end - else if LineString[ col ] = clrBlack then - begin - data[ i ] := data[ i ] or $01; - mask[ i ] := mask[ i ] or $01; - end - else if LineString[ col + 1 ] = clrNone then - begin - // - end; - end; - inc(counter); - if counter = dimensions[2] then - step := 4; - end; - end; - end; - end; - CloseFile( xpmFile ); - FCursor := SDL_CreateCursor( PUInt8( data ), PUInt8( mask ), dimensions[ 1 ], dimensions[ 2 ], FHotPoint.x, FHotPoint.y ); -end; - -procedure TSDLXPMCursor.LoadFromStream(aStream: TStream); -begin - inherited; - -end; - -procedure TSDLXPMCursor.Show; -begin - inherited; - SDL_SetCursor( FCursor ); -end; - -{ TSDLCursorList } -function TSDLCursorList.AddCursor(const aName : string; aObject : TSDLCustomCursor): Integer; -begin - result := inherited AddObject( aName, aObject ); -end; - -constructor TSDLCursorList.Create; -begin - inherited; - Duplicates := dupIgnore; -end; - -function TSDLCursorList.GetObject(aIndex: Integer): TSDLCustomCursor; -begin - result := TSDLCustomCursor( inherited GetObject( aIndex ) ); -end; - -procedure TSDLCursorList.PutObject(aIndex: Integer; aObject: TSDLCustomCursor); -begin - inherited PutObject( aIndex, aObject ); -end; - -end. |