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{
*****************************************************************************
* CocoaWSSpin.pas *
* ----------- *
* *
* *
*****************************************************************************
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
unit CocoaWSSpin;
{$mode objfpc}{$H+}
{$modeswitch objectivec1}
interface
uses
// rtl+lcl
Controls, Spin, LCLType,
// widgetset
WSSpin, WSLCLClasses,
// cocoa ws
CocoaPrivate, CocoaWSCommon, CocoaTextEdits;
type
{ TCocoaWSCustomFloatSpinEdit }
TCocoaWSCustomFloatSpinEdit = class(TWSCustomFloatSpinEdit)
published
class function CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle; override;
class procedure DestroyHandle(const AWinControl: TWinControl); override;
class function GetValue(const ACustomFloatSpinEdit: TCustomFloatSpinEdit): Double; override;
class procedure UpdateControl(const ACustomFloatSpinEdit: TCustomFloatSpinEdit); override;
class procedure SetBounds(const AWinControl: TWinControl; const ALeft, ATop, AWidth, AHeight: Integer); override;
end;
implementation
procedure UpdateControlLCLToCocoa(src: TCustomFloatSpinEdit; dst: TCocoaSpinEdit);
begin
dst.UpdateControl(src.MinValue, src.MaxValue, src.Increment, src.Value, src.DecimalPlaces);
end;
{ TCocoaWSCustomFloatSpinEdit }
{------------------------------------------------------------------------------
Method: TCocoaWSCustomFloatSpinEdit.CreateHandle
Params: AWinControl - LCL control
AParams - Creation parameters
Returns: Handle to the control in Carbon interface
Creates new spin edit in Carbon interface with the specified parameters
------------------------------------------------------------------------------}
class function TCocoaWSCustomFloatSpinEdit.CreateHandle(const AWinControl: TWinControl;
const AParams: TCreateParams): TLCLIntfHandle;
var
lSpin: TCocoaSpinEdit;
begin
lSpin := TCocoaSpinEdit.alloc.lclInitWithCreateParams(AParams);
Result := TLCLIntfHandle(lSpin);
if Result = 0 then Exit;
lSpin.decimalPlaces := -1;
lSpin.lclCreateSubcontrols(AParams);
lSpin.callback := TLCLCommonCallback.Create(lSpin, AWinControl);
if (lSpin.Stepper.isKindOfClass(TCocoaSpinEditStepper)) then
TCocoaSpinEditStepper(lSpin.Stepper).callback:=lSpin.callback;
end;
class procedure TCocoaWSCustomFloatSpinEdit.DestroyHandle(const AWinControl: TWinControl);
begin
if not AWinControl.HandleAllocated then Exit;
TCocoaSpinEdit(AWinControl.Handle).lclReleaseSubcontrols;
TCocoaWSWinControl.DestroyHandle(AWinControl);
end;
{------------------------------------------------------------------------------
Method: TCocoaWSCustomFloatSpinEdit.GetValue
Params: ACustomFloatSpinEdit - LCL custom float spin edit
Returns: The float spin edit value
------------------------------------------------------------------------------}
class function TCocoaWSCustomFloatSpinEdit.GetValue(const ACustomFloatSpinEdit: TCustomFloatSpinEdit): Double;
var
lSpin: TCocoaSpinEdit;
begin
Result := 0;
if ACustomFloatSpinEdit = nil then Exit;
if not ACustomFloatSpinEdit.HandleAllocated then Exit;
lSpin := TCocoaSpinEdit(ACustomFloatSpinEdit.Handle);
Result := lSpin.Stepper.doubleValue();
end;
{------------------------------------------------------------------------------
Method: TCocoaWSCustomFloatSpinEdit.UpdateControl
Params: ACustomFloatSpinEdit - LCL custom float spin edit
Update the value, min, max and increment of custom float spin edit in Cocoa
interface
------------------------------------------------------------------------------}
class procedure TCocoaWSCustomFloatSpinEdit.UpdateControl(const ACustomFloatSpinEdit: TCustomFloatSpinEdit);
var
lSpin: TCocoaSpinEdit;
begin
if ACustomFloatSpinEdit = nil then Exit;
if not ACustomFloatSpinEdit.HandleAllocated then Exit;
lSpin := TCocoaSpinEdit(ACustomFloatSpinEdit.Handle);
UpdateControlLCLToCocoa(ACustomFloatSpinEdit, lSpin);
end;
class procedure TCocoaWSCustomFloatSpinEdit.SetBounds(
const AWinControl: TWinControl; const ALeft, ATop, AWidth, AHeight: Integer);
var
lSpin: TCocoaSpinEdit;
ACustomFloatSpinEdit: TCustomFloatSpinEdit absolute AWinControl;
begin
if ACustomFloatSpinEdit = nil then Exit;
if not ACustomFloatSpinEdit.HandleAllocated then Exit;
lSpin := TCocoaSpinEdit(ACustomFloatSpinEdit.Handle);
TCocoaWSWinControl.SetBounds(AWinControl, ALeft, ATop, AWidth, AHeight);
lSpin.PositionSubcontrols(ALeft, ATop, AWidth, AHeight);
end;
end.
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