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{$I ..\Definition.Inc}
unit WrapFmxTypes;
interface
uses
System.Types, FMX.Types, PythonEngine, WrapDelphi, WrapDelphiClasses;
type
{
The TPointF type is primarily used for the coordinates of FireMonkey objects.
http://docwiki.embarcadero.com/Libraries/Sydney/en/System.Types.TPointF
}
TPyDelphiPointF = class(TPyObject)
private
FValue: TPointF;
protected
// Exposed Getters
function Get_X(Acontext: Pointer): PPyObject; cdecl;
function Get_Y(Acontext: Pointer): PPyObject; cdecl;
// Exposed Setters
function Set_X(AValue: PPyObject; AContext: Pointer): integer; cdecl;
function Set_Y(AValue: PPyObject; AContext: Pointer): integer; cdecl;
public
constructor CreateWith(APythonType: TPythonType; args: PPyObject); override;
function Compare(obj: PPyObject): Integer; override;
function Repr: PPyObject; override;
class procedure RegisterGetSets(PythonType: TPythonType); override;
class procedure SetupType(PythonType: TPythonType); override;
property Value : TPointF read FValue write FValue;
end;
TPyDelphiSizeF = class(TPyObject)
private
FValue: TSizeF;
protected
// Exposed Getters
function Get_Width(Acontext: Pointer): PPyObject; cdecl;
function Get_Height(Acontext: Pointer): PPyObject; cdecl;
// Exposed Setters
function Set_Width(AValue: PPyObject; AContext: Pointer): integer; cdecl;
function Set_Height(AValue: PPyObject; AContext: Pointer): integer; cdecl;
public
constructor CreateWith(APythonType: TPythonType; args: PPyObject); override;
function Compare(obj: PPyObject): Integer; override;
function Repr: PPyObject; override;
class procedure RegisterGetSets(PythonType: TPythonType); override;
class procedure SetupType(PythonType: TPythonType); override;
property Value : TSizeF read FValue write FValue;
end;
TPyDelphiFmxObject = class(TPyDelphiComponent)
private
function GetDelphiObject: TFmxObject;
procedure SetDelphiObject(const Value: TFmxObject);
protected
// Property Getters
function Get_Parent(AContext: Pointer): PPyObject; cdecl;
// Property Setters
function Set_Parent(AValue: PPyObject; AContext: Pointer): integer; cdecl;
public
class function DelphiObjectClass: TClass; override;
class procedure RegisterGetSets(PythonType: TPythonType); override;
class procedure RegisterMethods(PythonType: TPythonType); override;
// Properties
property DelphiObject: TFmxObject read GetDelphiObject write SetDelphiObject;
end;
TPyDelphiPosition = class(TPyDelphiPersistent)
private
function GetDelphiObject: TPosition;
procedure SetDelphiObject(const Value: TPosition);
protected
//Exposed Getters
function Get_X(Acontext: Pointer): PPyObject; cdecl;
function Get_Y(Acontext: Pointer): PPyObject; cdecl;
function Get_Point(Acontext: Pointer): PPyObject; cdecl;
//Exposed Setters
function Set_X(AValue: PPyObject; AContext: Pointer): integer; cdecl;
function Set_Y(AValue: PPyObject; AContext: Pointer): integer; cdecl;
function Set_Point(AValue: PPyObject; AContext: Pointer): integer; cdecl;
public
class function DelphiObjectClass: TClass; override;
class procedure RegisterMethods(PythonType: TPythonType); override;
class procedure RegisterGetSets(PythonType: TPythonType); override;
// Properties
property DelphiObject: TPosition read GetDelphiObject write SetDelphiObject;
end;
{Helper functions}
function WrapPointF(APyDelphiWrapper: TPyDelphiWrapper; const APoint : TPointF) : PPyObject;
function WrapSizeF(APyDelphiWrapper: TPyDelphiWrapper; const ASize : TSizeF) : PPyObject;
function CheckPointFAttribute(AAttribute : PPyObject; const AAttributeName : string; out AValue : TPointF) : Boolean;
function CheckSizeFAttribute(AAttribute : PPyObject; const AAttributeName : string; out AValue : TSizeF) : Boolean;
implementation
uses
System.Math, System.SysUtils;
{ Register the wrappers, the globals and the constants }
type
TTypesRegistration = class(TRegisteredUnit)
public
function Name : string; override;
procedure RegisterWrappers(APyDelphiWrapper : TPyDelphiWrapper); override;
procedure DefineVars(APyDelphiWrapper : TPyDelphiWrapper); override;
end;
{ TPyDelphiPointF }
function TPyDelphiPointF.Compare(obj: PPyObject): Integer;
var
_other : TPyDelphiPointF;
begin
if IsDelphiObject(obj) and (PythonToDelphi(obj) is TPyDelphiPointF) then
begin
_other := TPyDelphiPointF(PythonToDelphi(obj));
Result := CompareValue(Value.X, _other.Value.X);
if Result = 0 then
Result := CompareValue(Value.Y, _other.Value.Y);
end
else
Result := 1;
end;
constructor TPyDelphiPointF.CreateWith(APythonType: TPythonType;
args: PPyObject);
var
x, y : single;
begin
inherited;
if APythonType.Engine.PyArg_ParseTuple(args, 'ff:Create', @x, @y) <> 0 then
begin
FValue.X := x;
FValue.Y := y;
end
end;
function TPyDelphiPointF.Get_X(Acontext: Pointer): PPyObject;
begin
Adjust(@Self);
Result := GetPythonEngine.PyFloat_FromDouble(Value.X);
end;
function TPyDelphiPointF.Get_Y(Acontext: Pointer): PPyObject;
begin
Adjust(@Self);
Result := GetPythonEngine.PyFloat_FromDouble(Value.Y);
end;
class procedure TPyDelphiPointF.RegisterGetSets(PythonType: TPythonType);
begin
inherited;
with PythonType do
begin
AddGetSet('X', @TPyDelphiPointF.Get_X, @TPyDelphiPointF.Set_X,
'Provides access to the X coordinate of a pointf', nil);
AddGetSet('Y', @TPyDelphiPointF.Get_Y, @TPyDelphiPointF.Set_Y,
'Provides access to the Y coordinate of a pointf', nil);
end;
end;
function TPyDelphiPointF.Repr: PPyObject;
begin
Result := GetPythonEngine.PyUnicodeFromString(Format('<PointF (%f, %f)>',
[Value.X, Value.Y]));
end;
class procedure TPyDelphiPointF.SetupType(PythonType: TPythonType);
begin
inherited;
PythonType.TypeName := 'PointF';
PythonType.Name := string(PythonType.TypeName) + TPythonType.TYPE_COMP_NAME_SUFFIX;
PythonType.TypeFlags := PythonType.TypeFlags + [tpfBaseType];
PythonType.GenerateCreateFunction := False;
PythonType.DocString.Text := 'wrapper for Delphi FMX TPointF type';
PythonType.Services.Basic := [bsGetAttrO, bsSetAttrO, bsRepr, bsStr, bsRichCompare];
end;
function TPyDelphiPointF.Set_X(AValue: PPyObject; AContext: Pointer): integer;
var
x: double;
begin
if CheckFloatAttribute(AValue, 'X', x) then
with GetPythonEngine do begin
Adjust(@Self);
FValue.X := x;
Result := 0;
end
else
Result := -1;
end;
function TPyDelphiPointF.Set_Y(AValue: PPyObject; AContext: Pointer): integer;
var
y: double;
begin
if CheckFloatAttribute(AValue, 'Y', y) then
with GetPythonEngine do begin
Adjust(@Self);
FValue.Y := y;
Result := 0;
end
else
Result := -1;
end;
{ TTypesRegistration }
procedure TTypesRegistration.DefineVars(APyDelphiWrapper: TPyDelphiWrapper);
begin
inherited;
end;
function TTypesRegistration.Name: string;
begin
Result := 'FMX Types';
end;
procedure TTypesRegistration.RegisterWrappers(
APyDelphiWrapper: TPyDelphiWrapper);
begin
inherited;
APyDelphiWrapper.RegisterHelperType(TPyDelphiPointF);
APyDelphiWrapper.RegisterHelperType(TPyDelphiSizeF);
APyDelphiWrapper.RegisterDelphiWrapper(TPyDelphiFmxObject);
APyDelphiWrapper.RegisterDelphiWrapper(TPyDelphiPosition);
end;
{ Helper functions }
function WrapPointF(APyDelphiWrapper : TPyDelphiWrapper; const APoint : TPointF) : PPyObject;
var
_type : TPythonType;
begin
_type := APyDelphiWrapper.GetHelperType('PointFType');
Result := _type.CreateInstance;
(PythonToDelphi(Result) as TPyDelphiPointF).Value := APoint;
end;
function WrapSizeF(APyDelphiWrapper: TPyDelphiWrapper; const ASize : TSizeF) : PPyObject;
var
LType : TPythonType;
begin
LType := APyDelphiWrapper.GetHelperType('SizeFType');
Result := LType.CreateInstance;
(PythonToDelphi(Result) as TPyDelphiSizeF).Value := ASize;
end;
function CheckPointFAttribute(AAttribute : PPyObject; const AAttributeName : string; out AValue : TPointF) : Boolean;
begin
with GetPythonEngine do
begin
if IsDelphiObject(AAttribute) and (PythonToDelphi(AAttribute) is TPyDelphiPointF) then
begin
AValue := TPyDelphiPointF(PythonToDelphi(AAttribute)).Value;
Result := True;
end
else
begin
Result := False;
with GetPythonEngine do
PyErr_SetString (PyExc_AttributeError^,
PAnsiChar(AnsiString(Format('%s receives only PointF objects', [AAttributeName]))));
end;
end;
end;
function CheckSizeFAttribute(AAttribute : PPyObject; const AAttributeName : string; out AValue : TSizeF) : Boolean;
begin
with GetPythonEngine do
begin
if IsDelphiObject(AAttribute) and (PythonToDelphi(AAttribute) is TPyDelphiSizeF) then
begin
AValue := TPyDelphiSizeF(PythonToDelphi(AAttribute)).Value;
Result := True;
end
else
begin
Result := False;
with GetPythonEngine do
PyErr_SetString (PyExc_AttributeError^,
PAnsiChar(AnsiString(Format('%s receives only SizeF objects', [AAttributeName]))));
end;
end;
end;
{ TPyDelphiFmxObject }
class function TPyDelphiFmxObject.DelphiObjectClass: TClass;
begin
Result := TFmxObject;
end;
function TPyDelphiFmxObject.GetDelphiObject: TFmxObject;
begin
Result := TFmxObject(inherited DelphiObject);
end;
function TPyDelphiFmxObject.Get_Parent(AContext: Pointer): PPyObject;
begin
Adjust(@Self);
Result := Wrap(DelphiObject.Parent);
end;
class procedure TPyDelphiFmxObject.RegisterGetSets(PythonType: TPythonType);
begin
inherited;
PythonType.AddGetSet('Parent', @TPyDelphiFmxObject.Get_Parent, @TPyDelphiFmxObject.Set_Parent,
'Returns/Sets the Control Visibility', nil);
end;
class procedure TPyDelphiFmxObject.RegisterMethods(PythonType: TPythonType);
begin
inherited;
end;
procedure TPyDelphiFmxObject.SetDelphiObject(const Value: TFmxObject);
begin
inherited DelphiObject := Value;
end;
function TPyDelphiFmxObject.Set_Parent(AValue: PPyObject;
AContext: Pointer): integer;
var
LObject : TObject;
begin
Adjust(@Self);
if CheckObjAttribute(AValue, 'Parent', TFmxObject, LObject) then
begin
Self.DelphiObject.Parent := TFmxObject(LObject);
Result := 0;
end
else
Result := -1;
end;
{ TPyDelphiPosition }
class function TPyDelphiPosition.DelphiObjectClass: TClass;
begin
Result := TPosition;
end;
function TPyDelphiPosition.GetDelphiObject: TPosition;
begin
Result := TPosition(inherited DelphiObject);
end;
function TPyDelphiPosition.Get_Point(Acontext: Pointer): PPyObject;
begin
Adjust(@Self);
Result := WrapPointF(PyDelphiWrapper, DelphiObject.Point);
end;
function TPyDelphiPosition.Get_X(Acontext: Pointer): PPyObject;
begin
Adjust(@Self);
Result := GetPythonEngine.PyFloat_FromDouble(DelphiObject.X);
end;
function TPyDelphiPosition.Get_Y(Acontext: Pointer): PPyObject;
begin
Adjust(@Self);
Result := GetPythonEngine.PyFloat_FromDouble(DelphiObject.Y);
end;
class procedure TPyDelphiPosition.RegisterGetSets(PythonType: TPythonType);
begin
inherited;
with PythonType do begin
AddGetSet('X', @TPyDelphiPosition.Get_X, @TPyDelphiPosition.Set_X,
'Provides access to the X coordinate of a control inside its parent', nil);
AddGetSet('Y', @TPyDelphiPosition.Get_Y, @TPyDelphiPosition.Set_Y,
'Provides access to the Y coordinate of a control inside its parent', nil);
AddGetSet('Point', @TPyDelphiPosition.Get_Point, @TPyDelphiPosition.Set_Point,
'Provides access to the position of a control inside its parent', nil);
end;
end;
class procedure TPyDelphiPosition.RegisterMethods(PythonType: TPythonType);
begin
inherited;
end;
procedure TPyDelphiPosition.SetDelphiObject(const Value: TPosition);
begin
inherited DelphiObject := Value;
end;
function TPyDelphiPosition.Set_Point(AValue: PPyObject;
AContext: Pointer): integer;
var
LValue: TPointF;
begin
Adjust(@Self);
if CheckPointFAttribute(AValue, 'Point', LValue) then
begin
DelphiObject.Point := LValue;
Result := 0;
end
else
Result := -1;
end;
function TPyDelphiPosition.Set_X(AValue: PPyObject; AContext: Pointer): integer;
var
x: double;
begin
if CheckFloatAttribute(AValue, 'X', x) then
with GetPythonEngine do begin
Adjust(@Self);
DelphiObject.X := x;
Result := 0;
end
else
Result := -1;
end;
function TPyDelphiPosition.Set_Y(AValue: PPyObject; AContext: Pointer): integer;
var
y: double;
begin
if CheckFloatAttribute(AValue, 'Y', y) then
with GetPythonEngine do begin
Adjust(@Self);
DelphiObject.Y := y;
Result := 0;
end
else
Result := -1;
end;
{ TPyDelphiSizeF }
function TPyDelphiSizeF.Compare(obj: PPyObject): Integer;
var
LOther : TPyDelphiSizeF;
begin
if IsDelphiObject(obj) and (PythonToDelphi(obj) is TPyDelphiPointF) then
begin
LOther := TPyDelphiSizeF(PythonToDelphi(obj));
Result := CompareValue(Value.Width, LOther.Value.Width);
if Result = 0 then
Result := CompareValue(Value.Height, LOther.Value.Height);
end
else
Result := 1;
end;
constructor TPyDelphiSizeF.CreateWith(APythonType: TPythonType;
args: PPyObject);
var
LWidth, LHeight : single;
begin
inherited;
if APythonType.Engine.PyArg_ParseTuple(args, 'ff:Create', @LWidth, @LHeight) <> 0 then
begin
FValue.Width := LWidth;
FValue.Height := LHeight;
end
end;
function TPyDelphiSizeF.Get_Height(Acontext: Pointer): PPyObject;
begin
Adjust(@Self);
Result := GetPythonEngine.PyFloat_FromDouble(Value.Height);
end;
function TPyDelphiSizeF.Get_Width(Acontext: Pointer): PPyObject;
begin
Adjust(@Self);
Result := GetPythonEngine.PyFloat_FromDouble(Value.Width);
end;
class procedure TPyDelphiSizeF.RegisterGetSets(PythonType: TPythonType);
begin
inherited;
with PythonType do
begin
AddGetSet('Width', @TPyDelphiSizeF.Get_Width, @TPyDelphiSizeF.Set_Width,
'Provides access to the width of a sizef', nil);
AddGetSet('Height', @TPyDelphiSizeF.Get_Height, @TPyDelphiSizeF.Set_Height,
'Provides access to the height of a sizef', nil);
end;
end;
function TPyDelphiSizeF.Repr: PPyObject;
begin
Result := GetPythonEngine.PyUnicodeFromString(Format('<SizeF (%f, %f)>',
[Value.Width, Value.Height]));
end;
class procedure TPyDelphiSizeF.SetupType(PythonType: TPythonType);
begin
inherited;
PythonType.TypeName := 'SizeF';
PythonType.Name := string(PythonType.TypeName) + TPythonType.TYPE_COMP_NAME_SUFFIX;
PythonType.TypeFlags := PythonType.TypeFlags + [tpfBaseType];
PythonType.GenerateCreateFunction := False;
PythonType.DocString.Text := 'wrapper for Delphi FMX TSizeF type';
PythonType.Services.Basic := [bsGetAttrO, bsSetAttrO, bsRepr, bsStr, bsRichCompare];
end;
function TPyDelphiSizeF.Set_Height(AValue: PPyObject;
AContext: Pointer): integer;
var
LValue: double;
begin
if CheckFloatAttribute(AValue, 'Height', LValue) then
with GetPythonEngine do begin
Adjust(@Self);
FValue.Height := LValue;
Result := 0;
end
else
Result := -1;
end;
function TPyDelphiSizeF.Set_Width(AValue: PPyObject;
AContext: Pointer): integer;
var
LValue: double;
begin
if CheckFloatAttribute(AValue, 'Width', LValue) then
with GetPythonEngine do begin
Adjust(@Self);
FValue.Width := LValue;
Result := 0;
end
else
Result := -1;
end;
initialization
RegisteredUnits.Add(TTypesRegistration.Create);
end.