1200 lines
33 KiB
ObjectPascal
1200 lines
33 KiB
ObjectPascal
{-----------------------------------------------------------------------------
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1.1.html
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
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the specific language governing rights and limitations under the License.
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The Original Code is: JvClock.PAS, released on 2002-07-04.
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The Initial Developers of the Original Code are: Fedor Koshevnikov, Igor Pavluk and Serge Korolev
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Copyright (c) 1997, 1998 Fedor Koshevnikov, Igor Pavluk and Serge Korolev
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Copyright (c) 2001,2002 SGB Software
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All Rights Reserved.
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Contributor(s):
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Polaris Software
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You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
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located at http://jvcl.sourceforge.net
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Known Issues:
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-----------------------------------------------------------------------------}
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// $Id: JvClock.pas,v 1.28 2006/01/07 15:45:26 obones Exp $
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unit JvClock;
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{$I jvcl.inc}
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interface
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uses
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{$IFDEF UNITVERSIONING}
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JclUnitVersioning,
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{$ENDIF UNITVERSIONING}
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Windows, Messages, Classes, Graphics, Controls,
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JvJCLUtils, JvTimer, JvComponent, JvExControls;
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type
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TShowClock = (scDigital, scAnalog);
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TPaintMode = (pmPaintAll, pmHandPaint);
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TJvClockTime = packed record
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Hour: Word;
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Minute: Word;
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Second: Word;
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end;
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TJvGetTimeEvent = procedure(Sender: TObject; var ATime: TDateTime) of object;
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TJvGetDateEvent = TJvGetTimeEvent;
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TJvClock = class(TJvCustomPanel, IJvDenySubClassing)
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private
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FTimer: TJvTimer;
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FAutoSize: Boolean;
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FShowMode: TShowClock;
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FTwelveHour: Boolean;
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FLeadingZero: Boolean;
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FShowSeconds: Boolean;
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FAlarm: TDateTime;
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FAlarmEnabled: Boolean;
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{$IFDEF VCL}
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FHooked: Boolean;
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{$ENDIF VCL}
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FDotsColor: TColor;
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FAlarmWait: Boolean;
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FDisplayTime: TJvClockTime;
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FClockRect: TRect;
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FClockRadius: Longint;
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FClockCenter: TPoint;
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FOnGetTime: TJvGetTimeEvent;
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FOnAlarm: TNotifyEvent;
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FShowDate: Boolean;
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FOnGetDate: TJvGetDateEvent;
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FDateFormat: string;
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procedure TimerExpired(Sender: TObject);
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procedure GetTime(var T: TJvClockTime);
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function IsAlarmTime(ATime: TDateTime): Boolean;
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procedure SetShowMode(Value: TShowClock);
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function GetAlarmElement(Index: Integer): Byte;
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procedure SetAlarmElement(Index: Integer; Value: Byte);
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procedure SetDotsColor(Value: TColor);
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procedure SetTwelveHour(Value: Boolean);
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procedure SetLeadingZero(Value: Boolean);
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procedure SetShowSeconds(Value: Boolean);
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procedure PaintAnalogClock(PaintMode: TPaintMode);
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procedure Paint3DFrame(var Rect: TRect);
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procedure DrawAnalogFace;
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procedure CircleClock(MaxWidth, MaxHeight: Integer);
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procedure DrawSecondHand(Pos: Integer);
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procedure DrawFatHand(Pos: Integer; HourHand: Boolean);
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procedure PaintTimeStr(var Rect: TRect; FullTime: Boolean);
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procedure ResizeFont(const Rect: TRect);
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procedure ResetAlarm;
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procedure CheckAlarm;
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{$IFDEF VCL}
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function FormatSettingsChange(var Msg: TMessage): Boolean;
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procedure CMCtl3DChanged(var Msg: TMessage); message CM_CTL3DCHANGED;
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procedure WMTimeChange(var Msg: TMessage); message WM_TIMECHANGE;
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procedure SetShowDate(const Value: Boolean);
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procedure SetDateFormat(const Value: string);
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{$ENDIF VCL}
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protected
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procedure TextChanged; override;
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procedure FontChanged; override;
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procedure SetAutoSize(Value: Boolean); {$IFDEF VCL} override; {$ENDIF}
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procedure Alarm; dynamic;
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procedure AlignControls(AControl: TControl; var Rect: TRect); override;
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{$IFDEF VCL}
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procedure CreateWnd; override;
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procedure DestroyWindowHandle; override;
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{$ENDIF VCL}
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procedure Loaded; override;
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procedure Paint; override;
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function GetSystemTime: TDateTime; virtual;
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function GetSystemDate: TDateTime; virtual;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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procedure SetAlarmTime(AlarmTime: TDateTime);
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procedure UpdateClock;
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published
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property AlarmEnabled: Boolean read FAlarmEnabled write FAlarmEnabled default False;
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property AlarmHour: Byte index 1 read GetAlarmElement write SetAlarmElement default 0;
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property AlarmMinute: Byte index 2 read GetAlarmElement write SetAlarmElement default 0;
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property AlarmSecond: Byte index 3 read GetAlarmElement write SetAlarmElement default 0;
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property AutoSize: Boolean read FAutoSize write SetAutoSize default False;
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property BevelInner default bvLowered;
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property BevelOuter default bvRaised;
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property DotsColor: TColor read FDotsColor write SetDotsColor default clTeal;
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property DateFormat: string read FDateFormat write SetDateFormat;
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property ShowMode: TShowClock read FShowMode write SetShowMode default scDigital;
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property ShowSeconds: Boolean read FShowSeconds write SetShowSeconds default True;
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property ShowDate: Boolean read FShowDate write SetShowDate default False;
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property TwelveHour: Boolean read FTwelveHour write SetTwelveHour default False;
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property LeadingZero: Boolean read FLeadingZero write SetLeadingZero default True;
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property Align;
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property BevelWidth;
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property BorderWidth;
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property BorderStyle;
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property Anchors;
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property Constraints;
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{$IFDEF VCL}
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property UseDockManager default True;
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property DockSite;
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property DragKind;
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property DragCursor;
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property FullRepaint;
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{$ENDIF VCL}
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property Color;
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property Cursor;
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property DragMode;
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property Enabled;
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property Font;
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property ParentColor;
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property ParentFont;
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property ParentShowHint;
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property PopupMenu;
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property ShowHint;
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property Visible;
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property OnAlarm: TNotifyEvent read FOnAlarm write FOnAlarm;
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property OnGetTime: TJvGetTimeEvent read FOnGetTime write FOnGetTime;
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property OnGetDate: TJvGetDateEvent read FOnGetDate write FOnGetDate;
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property OnClick;
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property OnDblClick;
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property OnMouseMove;
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property OnMouseDown;
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property OnMouseUp;
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property OnDragOver;
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property OnDragDrop;
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property OnEndDrag;
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property OnResize;
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property OnContextPopup;
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property OnStartDrag;
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property OnConstrainedResize;
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{$IFDEF VCL}
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property OnCanResize;
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property OnDockDrop;
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property OnDockOver;
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property OnEndDock;
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property OnGetSiteInfo;
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property OnStartDock;
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property OnUnDock;
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{$ENDIF VCL}
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end;
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{$IFDEF UNITVERSIONING}
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const
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UnitVersioning: TUnitVersionInfo = (
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RCSfile: '$RCSfile: JvClock.pas,v $';
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Revision: '$Revision: 1.28 $';
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Date: '$Date: 2006/01/07 15:45:26 $';
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LogPath: 'JVCL\run'
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);
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{$ENDIF UNITVERSIONING}
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implementation
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uses
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{$IFDEF HAS_UNIT_RTLCONSTS}
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RTLConsts,
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{$ENDIF HAS_UNIT_RTLCONSTS}
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{$IFDEF COMPILER7_UP}
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SysConst,
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{$ENDIF COMPILER7_UP}
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SysUtils, Forms, ExtCtrls, Consts,
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JvThemes;
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var
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Registered: Boolean = False;
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type
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PPointArray = ^TPointArray;
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TPointArray = array [0..60 * 2 - 1] of TSmallPoint;
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const
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ClockData: array [0..60 * 4 - 1] of Byte = (
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$00, $00, $C1, $E0, $44, $03, $EC, $E0, $7F, $06, $6F, $E1,
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$A8, $09, $48, $E2, $B5, $0C, $74, $E3, $9F, $0F, $F0, $E4,
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$5E, $12, $B8, $E6, $E9, $14, $C7, $E8, $39, $17, $17, $EB,
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$48, $19, $A2, $ED, $10, $1B, $60, $F0, $8C, $1C, $4B, $F3,
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$B8, $1D, $58, $F6, $91, $1E, $81, $F9, $14, $1F, $BC, $FC,
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$40, $1F, $00, $00, $14, $1F, $44, $03, $91, $1E, $7F, $06,
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$B8, $1D, $A8, $09, $8C, $1C, $B5, $0C, $10, $1B, $A0, $0F,
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$48, $19, $5E, $12, $39, $17, $E9, $14, $E9, $14, $39, $17,
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$5E, $12, $48, $19, $9F, $0F, $10, $1B, $B5, $0C, $8C, $1C,
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$A8, $09, $B8, $1D, $7F, $06, $91, $1E, $44, $03, $14, $1F,
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$00, $00, $3F, $1F, $BC, $FC, $14, $1F, $81, $F9, $91, $1E,
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$58, $F6, $B8, $1D, $4B, $F3, $8C, $1C, $60, $F0, $10, $1B,
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$A2, $ED, $48, $19, $17, $EB, $39, $17, $C7, $E8, $E9, $14,
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$B8, $E6, $5E, $12, $F0, $E4, $9F, $0F, $74, $E3, $B5, $0C,
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$48, $E2, $A8, $09, $6F, $E1, $7F, $06, $EC, $E0, $44, $03,
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$C1, $E0, $00, $00, $EC, $E0, $BC, $FC, $6F, $E1, $81, $F9,
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$48, $E2, $58, $F6, $74, $E3, $4B, $F3, $F0, $E4, $60, $F0,
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$B8, $E6, $A2, $ED, $C7, $E8, $17, $EB, $17, $EB, $C7, $E8,
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$A2, $ED, $B8, $E6, $61, $F0, $F0, $E4, $4B, $F3, $74, $E3,
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$58, $F6, $48, $E2, $81, $F9, $6F, $E1, $BC, $FC, $EC, $E0);
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const
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AlarmSecDelay = 60; { seconds for try alarm event after alarm time occured }
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MaxDotWidth = 25; { maximum Hour-marking dot width }
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MinDotWidth = 2; { minimum Hour-marking dot width }
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MinDotHeight = 1; { minimum Hour-marking dot height }
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{ distance from the center of the clock to... }
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HourSide = 7; { ...either side of the Hour hand }
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MinuteSide = 5; { ...either side of the Minute hand }
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HourTip = 60; { ...the tip of the Hour hand }
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MinuteTip = 80; { ...the tip of the Minute hand }
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SecondTip = 80; { ...the tip of the Second hand }
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HourTail = 15; { ...the tail of the Hour hand }
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MinuteTail = 20; { ...the tail of the Minute hand }
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{ conversion factors }
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CirTabScale = 8000; { circle table values scale down value }
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MmPerDm = 100; { millimeters per decimeter }
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{ number of hand positions on... }
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HandPositions = 60; { ...entire clock }
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SideShift = (HandPositions div 4); { ...90 degrees of clock }
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TailShift = (HandPositions div 2); { ...180 degrees of clock }
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var
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{$IFDEF CLR}
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CircleTab: array of TSmallPoint;
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{$ELSE}
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CircleTab: PPointArray;
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{$ENDIF CLR}
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HRes: Integer; { width of the display (in pixels) }
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VRes: Integer; { height of the display (in raster lines) }
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AspectH: Longint; { number of pixels per decimeter on the display }
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AspectV: Longint; { number of raster lines per decimeter on the display }
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{ Exception routine }
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procedure InvalidTime(Hour, Min, Sec: Word);
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var
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sTime: string[50];
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begin
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sTime := IntToStr(Hour) + TimeSeparator + IntToStr(Min) +
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TimeSeparator + IntToStr(Sec);
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raise EConvertError.CreateFmt(SInvalidTime, [sTime]);
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end;
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function VertEquiv(L: Integer): Integer;
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begin
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VertEquiv := Longint(L) * AspectV div AspectH;
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end;
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function HorzEquiv(L: Integer): Integer;
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begin
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HorzEquiv := Longint(L) * AspectH div AspectV;
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end;
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function LightColor(Color: TColor): TColor;
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var
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L: Longint;
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C: array [1..3] of Byte;
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I: Byte;
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begin
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L := ColorToRGB(Color);
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C[1] := GetRValue(L);
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C[2] := GetGValue(L);
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C[3] := GetBValue(L);
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for I := 1 to 3 do
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begin
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if C[I] = $FF then
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begin
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Result := clBtnHighlight;
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Exit;
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end;
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if C[I] <> 0 then
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if C[I] = $C0 then
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C[I] := $FF
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else
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C[I] := C[I] + $7F;
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end;
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Result := TColor(RGB(C[1], C[2], C[3]));
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end;
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procedure ClockInit;
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var
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Pos: Integer; { hand position Index into the circle table }
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vSize: Integer; { height of the display in millimeters }
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hSize: Integer; { width of the display in millimeters }
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{$IFDEF CLR}
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I: Integer;
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{$ENDIF CLR}
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DC: HDC;
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begin
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DC := GetDC(HWND_DESKTOP);
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try
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VRes := GetDeviceCaps(DC, VERTRES);
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HRes := GetDeviceCaps(DC, HORZRES);
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vSize := GetDeviceCaps(DC, VERTSIZE);
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hSize := GetDeviceCaps(DC, HORZSIZE);
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finally
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ReleaseDC(HWND_DESKTOP, DC);
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end;
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AspectV := (Longint(VRes) * MmPerDm) div Longint(vSize);
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AspectH := (Longint(HRes) * MmPerDm) div Longint(hSize);
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{$IFDEF CLR}
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SetLength(CircleTab, Length(ClockData) div 2);
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for I := 0 to High(CircleTab) do
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begin
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CircleTab[I].X := ClockData[I * 2];
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CircleTab[I].Y := ClockData[I * 2 + 1];
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end;
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{$ELSE}
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CircleTab := PPointArray(@ClockData);
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{$ENDIF CLR}
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for Pos := 0 to HandPositions - 1 do
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CircleTab[Pos].Y := VertEquiv(CircleTab[Pos].Y);
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end;
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function HourHandPos(T: TJvClockTime): Integer;
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begin
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Result := (T.Hour * 5) + (T.Minute div 12);
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end;
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{ Digital clock font routine }
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procedure SetNewFontSize(Canvas: TCanvas; const Text: string;
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MaxH, MaxW: Integer);
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const
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FHeight = 1000;
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var
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Font: TFont;
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NewH: Integer;
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begin
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Font := Canvas.Font;
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{ empiric calculate character height by cell height }
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MaxH := MulDiv(MaxH, 4, 5);
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with Font do
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begin
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Height := -FHeight;
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NewH := MulDiv(FHeight, MaxW, Canvas.TextWidth(Text));
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if NewH > MaxH then
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NewH := MaxH;
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Height := -NewH;
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end;
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end;
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constructor TJvClock.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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if not Registered then
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begin
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ClockInit;
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Registered := True;
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end;
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Caption := TimeToStr(Time);
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ControlStyle := ControlStyle - [csSetCaption] - [csReplicatable];
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{$IFDEF VCL}
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IncludeThemeStyle(Self, [csNeedsBorderPaint, csParentBackground]);
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{$ENDIF VCL}
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BevelInner := bvLowered;
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BevelOuter := bvRaised;
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FTimer := TJvTimer.Create(Self);
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FTimer.Interval := 450; { every second }
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FTimer.OnTimer := TimerExpired;
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FDotsColor := clTeal;
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FShowSeconds := True;
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FLeadingZero := True;
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FShowDate := False;
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FDateFormat := ShortDateFormat;
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GetTime(FDisplayTime);
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if FDisplayTime.Hour >= 12 then
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Dec(FDisplayTime.Hour, 12);
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FAlarmWait := True;
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FAlarm := EncodeTime(0, 0, 0, 0);
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end;
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destructor TJvClock.Destroy;
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begin
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{$IFDEF VCL}
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if FHooked then
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begin
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Application.UnhookMainWindow(FormatSettingsChange);
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FHooked := False;
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end;
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{$ENDIF VCL}
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inherited Destroy;
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end;
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procedure TJvClock.Loaded;
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begin
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inherited Loaded;
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ResetAlarm;
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end;
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{$IFDEF VCL}
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procedure TJvClock.CreateWnd;
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begin
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inherited CreateWnd;
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if not (csDesigning in ComponentState) and not (IsLibrary or FHooked) then
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begin
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Application.HookMainWindow(FormatSettingsChange);
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FHooked := True;
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end;
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end;
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procedure TJvClock.DestroyWindowHandle;
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begin
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if FHooked then
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begin
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Application.UnhookMainWindow(FormatSettingsChange);
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FHooked := False;
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end;
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inherited DestroyWindowHandle;
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end;
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procedure TJvClock.CMCtl3DChanged(var Msg: TMessage);
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begin
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inherited;
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if ShowMode = scAnalog then
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Invalidate;
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end;
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{$ENDIF VCL}
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procedure TJvClock.TextChanged;
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begin
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{ Skip this message, no repaint }
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end;
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procedure TJvClock.FontChanged;
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begin
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inherited FontChanged;
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Invalidate;
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if AutoSize then
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Realign;
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end;
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{$IFDEF VCL}
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procedure TJvClock.WMTimeChange(var Msg: TMessage);
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begin
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inherited;
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Invalidate;
|
|
CheckAlarm;
|
|
end;
|
|
|
|
function TJvClock.FormatSettingsChange(var Msg: TMessage): Boolean;
|
|
begin
|
|
Result := False;
|
|
case Msg.Msg of
|
|
WM_WININICHANGE:
|
|
begin
|
|
Invalidate;
|
|
if AutoSize then
|
|
Realign;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
{$ENDIF VCL}
|
|
|
|
function TJvClock.GetSystemTime: TDateTime;
|
|
begin
|
|
Result := SysUtils.Time;
|
|
if Assigned(FOnGetTime) then
|
|
FOnGetTime(Self, Result);
|
|
end;
|
|
|
|
function TJvClock.GetSystemDate: TDateTime;
|
|
begin
|
|
Result := SysUtils.Date;
|
|
if Assigned(FOnGetDate) then
|
|
FOnGetDate(Self, Result);
|
|
end;
|
|
|
|
procedure TJvClock.GetTime(var T: TJvClockTime);
|
|
var
|
|
MSec: Word;
|
|
begin
|
|
with T do
|
|
DecodeTime(GetSystemTime, Hour, Minute, Second, MSec);
|
|
end;
|
|
|
|
procedure TJvClock.UpdateClock;
|
|
begin
|
|
Invalidate;
|
|
if AutoSize then
|
|
Realign;
|
|
Update;
|
|
end;
|
|
|
|
procedure TJvClock.ResetAlarm;
|
|
begin
|
|
FAlarmWait := (FAlarm > GetSystemTime) or (FAlarm = 0);
|
|
end;
|
|
|
|
function TJvClock.IsAlarmTime(ATime: TDateTime): Boolean;
|
|
var
|
|
Hour, Min, Sec, MSec: Word;
|
|
AHour, AMin, ASec: Word;
|
|
begin
|
|
DecodeTime(FAlarm, Hour, Min, Sec, MSec);
|
|
DecodeTime(ATime, AHour, AMin, ASec, MSec);
|
|
Result := {FAlarmWait and} (Hour = AHour) and (Min = AMin) and
|
|
(ASec >= Sec) and (ASec <= Sec + AlarmSecDelay);
|
|
end;
|
|
|
|
procedure TJvClock.ResizeFont(const Rect: TRect);
|
|
var
|
|
H, W: Integer;
|
|
DC: HDC;
|
|
TimeStr: string;
|
|
begin
|
|
H := Rect.Bottom - Rect.Top - 4;
|
|
W := (Rect.Right - Rect.Left - 30);
|
|
if (H <= 0) or (W <= 0) then
|
|
Exit;
|
|
DC := GetDC(HWND_DESKTOP);
|
|
try
|
|
Canvas.Handle := DC;
|
|
Canvas.Font := Font;
|
|
TimeStr := '88888';
|
|
if FShowSeconds then
|
|
TimeStr := TimeStr + '888';
|
|
if FTwelveHour then
|
|
begin
|
|
if Canvas.TextWidth(TimeAMString) > Canvas.TextWidth(TimePMString) then
|
|
TimeStr := TimeStr + ' ' + TimeAMString
|
|
else
|
|
TimeStr := TimeStr + ' ' + TimePMString;
|
|
end;
|
|
SetNewFontSize(Canvas, TimeStr, H, W);
|
|
Font := Canvas.Font;
|
|
finally
|
|
{$IFDEF VCL}
|
|
Canvas.Handle := 0;
|
|
{$ENDIF VCL}
|
|
{$IFDEF VisualCLX}
|
|
Canvas.Handle := nil;
|
|
{$ENDIF VisualCLX}
|
|
ReleaseDC(HWND_DESKTOP, DC);
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.AlignControls(AControl: TControl; var Rect: TRect);
|
|
var
|
|
InflateWidth: Integer;
|
|
begin
|
|
inherited AlignControls(AControl, Rect);
|
|
FClockRect := Rect;
|
|
InflateWidth := BorderWidth + 1;
|
|
if BevelOuter <> bvNone then
|
|
Inc(InflateWidth, BevelWidth);
|
|
if BevelInner <> bvNone then
|
|
Inc(InflateWidth, BevelWidth);
|
|
InflateRect(FClockRect, -InflateWidth, -InflateWidth);
|
|
with FClockRect do
|
|
CircleClock(Right - Left, Bottom - Top);
|
|
if AutoSize then
|
|
ResizeFont(Rect);
|
|
end;
|
|
|
|
procedure TJvClock.Alarm;
|
|
begin
|
|
if Assigned(FOnAlarm) then
|
|
FOnAlarm(Self);
|
|
end;
|
|
|
|
procedure TJvClock.SetAutoSize(Value: Boolean);
|
|
begin
|
|
{$IFDEF VCL}
|
|
{$IFDEF COMPILER6_UP}
|
|
inherited SetAutoSize(Value);
|
|
{$ENDIF COMPILER6_UP}
|
|
{$ENDIF VCL}
|
|
FAutoSize := Value;
|
|
if FAutoSize then
|
|
begin
|
|
Invalidate;
|
|
Realign;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.SetTwelveHour(Value: Boolean);
|
|
begin
|
|
if FTwelveHour <> Value then
|
|
begin
|
|
FTwelveHour := Value;
|
|
Invalidate;
|
|
if AutoSize then
|
|
Realign;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.SetLeadingZero(Value: Boolean);
|
|
begin
|
|
if FLeadingZero <> Value then
|
|
begin
|
|
FLeadingZero := Value;
|
|
Invalidate;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.SetShowSeconds(Value: Boolean);
|
|
begin
|
|
if FShowSeconds <> Value then
|
|
begin
|
|
{if FShowSeconds and (ShowMode = scAnalog) then
|
|
DrawSecondHand(FDisplayTime.Second);}
|
|
FShowSeconds := Value;
|
|
Invalidate;
|
|
if AutoSize then
|
|
Realign;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.SetDotsColor(Value: TColor);
|
|
begin
|
|
if Value <> FDotsColor then
|
|
begin
|
|
FDotsColor := Value;
|
|
Invalidate;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.SetShowMode(Value: TShowClock);
|
|
begin
|
|
if FShowMode <> Value then
|
|
begin
|
|
FShowMode := Value;
|
|
Invalidate;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.SetShowDate(const Value: Boolean);
|
|
begin
|
|
if FShowDate <> Value then
|
|
begin
|
|
FShowDate := Value;
|
|
Invalidate;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.SetDateFormat(const Value: string);
|
|
begin
|
|
if FDateFormat <> Value then
|
|
begin
|
|
FDateFormat := Value;
|
|
Invalidate;
|
|
end;
|
|
end;
|
|
|
|
function TJvClock.GetAlarmElement(Index: Integer): Byte;
|
|
var
|
|
Hour, Min, Sec, MSec: Word;
|
|
begin
|
|
DecodeTime(FAlarm, Hour, Min, Sec, MSec);
|
|
case Index of
|
|
1:
|
|
Result := Hour;
|
|
2:
|
|
Result := Min;
|
|
3:
|
|
Result := Sec;
|
|
else
|
|
Result := 0;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.SetAlarmElement(Index: Integer; Value: Byte);
|
|
var
|
|
Hour, Min, Sec, MSec: Word;
|
|
begin
|
|
DecodeTime(FAlarm, Hour, Min, Sec, MSec);
|
|
case Index of
|
|
1:
|
|
Hour := Value;
|
|
2:
|
|
Min := Value;
|
|
3:
|
|
Sec := Value;
|
|
else
|
|
Exit;
|
|
end;
|
|
if (Hour < 24) and (Min < 60) and (Sec < 60) then
|
|
begin
|
|
FAlarm := EncodeTime(Hour, Min, Sec, 0);
|
|
ResetAlarm;
|
|
end
|
|
else
|
|
InvalidTime(Hour, Min, Sec);
|
|
end;
|
|
|
|
procedure TJvClock.SetAlarmTime(AlarmTime: TDateTime);
|
|
var
|
|
Hour, Min, Sec, MSec: Word;
|
|
begin
|
|
DecodeTime(FAlarm, Hour, Min, Sec, MSec);
|
|
if (Hour < 24) and (Min < 60) and (Sec < 60) then
|
|
begin
|
|
FAlarm := Frac(AlarmTime);
|
|
ResetAlarm;
|
|
end
|
|
else
|
|
InvalidTime(Hour, Min, Sec);
|
|
end;
|
|
|
|
procedure TJvClock.TimerExpired(Sender: TObject);
|
|
var
|
|
DC: HDC;
|
|
Rect: TRect;
|
|
InflateWidth: Integer;
|
|
begin
|
|
DC := GetDC(Handle);
|
|
try
|
|
Canvas.Handle := DC;
|
|
Canvas.Brush.Color := Color;
|
|
Canvas.Font := Font;
|
|
Canvas.Pen.Color := Font.Color;
|
|
if FShowMode = scAnalog then
|
|
PaintAnalogClock(pmHandPaint)
|
|
else
|
|
begin
|
|
Rect := GetClientRect;
|
|
InflateWidth := BorderWidth;
|
|
if BevelOuter <> bvNone then
|
|
Inc(InflateWidth, BevelWidth);
|
|
if BevelInner <> bvNone then
|
|
Inc(InflateWidth, BevelWidth);
|
|
InflateRect(Rect, -InflateWidth, -InflateWidth);
|
|
PaintTimeStr(Rect, False);
|
|
end;
|
|
finally
|
|
Canvas.Handle := NullHandle;
|
|
ReleaseDC(Handle, DC);
|
|
end;
|
|
CheckAlarm;
|
|
end;
|
|
|
|
procedure TJvClock.CheckAlarm;
|
|
begin
|
|
if FAlarmEnabled and IsAlarmTime(GetSystemTime) then
|
|
begin
|
|
if FAlarmWait then
|
|
begin
|
|
FAlarmWait := False;
|
|
Alarm;
|
|
end;
|
|
end
|
|
else
|
|
ResetAlarm;
|
|
end;
|
|
|
|
procedure TJvClock.DrawAnalogFace;
|
|
var
|
|
Pos, DotHeight, DotWidth: Integer;
|
|
DotCenter: TPoint;
|
|
R: TRect;
|
|
SaveBrush, SavePen: TColor;
|
|
MinDots: Boolean;
|
|
begin
|
|
DotWidth := (MaxDotWidth * Longint(FClockRect.Right - FClockRect.Left)) div HRes;
|
|
DotHeight := VertEquiv(DotWidth);
|
|
if DotHeight < MinDotHeight then
|
|
DotHeight := MinDotHeight;
|
|
if DotWidth < MinDotWidth then
|
|
DotWidth := MinDotWidth;
|
|
DotCenter.X := DotWidth div 2;
|
|
DotCenter.Y := DotHeight div 2;
|
|
InflateRect(FClockRect, -DotCenter.Y, -DotCenter.X);
|
|
FClockRadius := ((FClockRect.Right - FClockRect.Left) div 2);
|
|
FClockCenter.X := FClockRect.Left + FClockRadius;
|
|
FClockCenter.Y := FClockRect.Top + ((FClockRect.Bottom - FClockRect.Top) div 2);
|
|
InflateRect(FClockRect, DotCenter.Y, DotCenter.X);
|
|
SaveBrush := Canvas.Brush.Color;
|
|
SavePen := Canvas.Pen.Color;
|
|
try
|
|
Canvas.Brush.Color := Canvas.Pen.Color;
|
|
MinDots := ((DotWidth > MinDotWidth) and (DotHeight > MinDotHeight));
|
|
for Pos := 0 to HandPositions - 1 do
|
|
begin
|
|
R.Top := (CircleTab[Pos].Y * FClockRadius) div CirTabScale + FClockCenter.Y;
|
|
R.Left := (CircleTab[Pos].X * FClockRadius) div CirTabScale + FClockCenter.X;
|
|
if (Pos mod 5) <> 0 then
|
|
begin
|
|
if MinDots then
|
|
begin
|
|
{$IFDEF VCL}
|
|
if Ctl3D then
|
|
begin
|
|
Canvas.Brush.Color := clBtnShadow;
|
|
OffsetRect(R, -1, -1);
|
|
R.Right := R.Left + 2;
|
|
R.Bottom := R.Top + 2;
|
|
Canvas.FillRect(R);
|
|
Canvas.Brush.Color := clBtnHighlight;
|
|
OffsetRect(R, 1, 1);
|
|
Canvas.FillRect(R);
|
|
Canvas.Brush.Color := Self.Color;
|
|
end;
|
|
{$ENDIF VCL}
|
|
R.Right := R.Left + 1;
|
|
R.Bottom := R.Top + 1;
|
|
DrawThemedBackground(Self, Canvas, R);
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
R.Right := R.Left + DotWidth;
|
|
R.Bottom := R.Top + DotHeight;
|
|
OffsetRect(R, -DotCenter.X, -DotCenter.Y);
|
|
{$IFDEF VCL}
|
|
if Ctl3D and MinDots then
|
|
with Canvas do
|
|
begin
|
|
Brush.Color := FDotsColor;
|
|
Brush.Style := bsSolid;
|
|
DrawThemedBackground(Self, Canvas, R);
|
|
Frame3D(Canvas, R, LightColor(FDotsColor), clWindowFrame, 1);
|
|
end;
|
|
{$ENDIF VCL}
|
|
Canvas.Brush.Color := Canvas.Pen.Color;
|
|
{$IFDEF VCL}
|
|
if not (Ctl3D and MinDots) then
|
|
{$ENDIF VCL}
|
|
DrawThemedBackground(Self, Canvas, R);
|
|
end;
|
|
end;
|
|
finally
|
|
Canvas.Brush.Color := SaveBrush;
|
|
Canvas.Pen.Color := SavePen;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.CircleClock(MaxWidth, MaxHeight: Integer);
|
|
var
|
|
ClockHeight: Integer;
|
|
ClockWidth: Integer;
|
|
begin
|
|
if MaxWidth > HorzEquiv(MaxHeight) then
|
|
begin
|
|
ClockWidth := HorzEquiv(MaxHeight);
|
|
FClockRect.Left := FClockRect.Left + ((MaxWidth - ClockWidth) div 2);
|
|
FClockRect.Right := FClockRect.Left + ClockWidth;
|
|
end
|
|
else
|
|
begin
|
|
ClockHeight := VertEquiv(MaxWidth);
|
|
FClockRect.Top := FClockRect.Top + ((MaxHeight - ClockHeight) div 2);
|
|
FClockRect.Bottom := FClockRect.Top + ClockHeight;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.DrawSecondHand(Pos: Integer);
|
|
var
|
|
Radius: Longint;
|
|
SaveMode: TPenMode;
|
|
begin
|
|
Radius := (FClockRadius * SecondTip) div 100;
|
|
SaveMode := Canvas.Pen.Mode;
|
|
Canvas.Pen.Mode := pmNot;
|
|
try
|
|
Canvas.MoveTo(FClockCenter.X, FClockCenter.Y);
|
|
Canvas.LineTo(FClockCenter.X + ((CircleTab[Pos].X * Radius) div
|
|
CirTabScale), FClockCenter.Y + ((CircleTab[Pos].Y * Radius) div
|
|
CirTabScale));
|
|
finally
|
|
Canvas.Pen.Mode := SaveMode;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.DrawFatHand(Pos: Integer; HourHand: Boolean);
|
|
var
|
|
ptSide, ptTail, ptTip: TPoint;
|
|
Index, Hand: Integer;
|
|
Scale: Longint;
|
|
SaveMode: TPenMode;
|
|
begin
|
|
if HourHand then
|
|
Hand := HourSide
|
|
else
|
|
Hand := MinuteSide;
|
|
Scale := (FClockRadius * Hand) div 100;
|
|
Index := (Pos + SideShift) mod HandPositions;
|
|
ptSide.Y := (CircleTab[Index].Y * Scale) div CirTabScale;
|
|
ptSide.X := (CircleTab[Index].X * Scale) div CirTabScale;
|
|
if HourHand then
|
|
Hand := HourTip
|
|
else
|
|
Hand := MinuteTip;
|
|
Scale := (FClockRadius * Hand) div 100;
|
|
ptTip.Y := (CircleTab[Pos].Y * Scale) div CirTabScale;
|
|
ptTip.X := (CircleTab[Pos].X * Scale) div CirTabScale;
|
|
if HourHand then
|
|
Hand := HourTail
|
|
else
|
|
Hand := MinuteTail;
|
|
Scale := (FClockRadius * Hand) div 100;
|
|
Index := (Pos + TailShift) mod HandPositions;
|
|
ptTail.Y := (CircleTab[Index].Y * Scale) div CirTabScale;
|
|
ptTail.X := (CircleTab[Index].X * Scale) div CirTabScale;
|
|
with Canvas do
|
|
begin
|
|
SaveMode := Pen.Mode;
|
|
Pen.Mode := pmCopy;
|
|
try
|
|
MoveTo(FClockCenter.X + ptSide.X, FClockCenter.Y + ptSide.Y);
|
|
LineTo(FClockCenter.X + ptTip.X, FClockCenter.Y + ptTip.Y);
|
|
MoveTo(FClockCenter.X - ptSide.X, FClockCenter.Y - ptSide.Y);
|
|
LineTo(FClockCenter.X + ptTip.X, FClockCenter.Y + ptTip.Y);
|
|
MoveTo(FClockCenter.X + ptSide.X, FClockCenter.Y + ptSide.Y);
|
|
LineTo(FClockCenter.X + ptTail.X, FClockCenter.Y + ptTail.Y);
|
|
MoveTo(FClockCenter.X - ptSide.X, FClockCenter.Y - ptSide.Y);
|
|
LineTo(FClockCenter.X + ptTail.X, FClockCenter.Y + ptTail.Y);
|
|
finally
|
|
Pen.Mode := SaveMode;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.PaintAnalogClock(PaintMode: TPaintMode);
|
|
var
|
|
NewTime: TJvClockTime;
|
|
begin
|
|
if not Enabled then Exit;
|
|
|
|
Canvas.Pen.Color := Font.Color;
|
|
Canvas.Brush.Color := Color;
|
|
SetBkMode(Canvas.Handle, TRANSPARENT);
|
|
if PaintMode = pmPaintAll then
|
|
begin
|
|
with Canvas do
|
|
begin
|
|
DrawThemedBackground(Self, Canvas, FClockRect);
|
|
Pen.Color := Self.Font.Color;
|
|
DrawAnalogFace;
|
|
DrawFatHand(HourHandPos(FDisplayTime), True);
|
|
DrawFatHand(FDisplayTime.Minute, False);
|
|
Pen.Color := Brush.Color;
|
|
if ShowSeconds then
|
|
DrawSecondHand(FDisplayTime.Second);
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
with Canvas do
|
|
begin
|
|
Pen.Color := Brush.Color;
|
|
GetTime(NewTime);
|
|
if NewTime.Hour >= 12 then
|
|
Dec(NewTime.Hour, 12);
|
|
if (NewTime.Second <> FDisplayTime.Second) then
|
|
if ShowSeconds then
|
|
DrawSecondHand(FDisplayTime.Second);
|
|
if ((NewTime.Minute <> FDisplayTime.Minute) or
|
|
(NewTime.Hour <> FDisplayTime.Hour)) then
|
|
begin
|
|
DrawFatHand(FDisplayTime.Minute, False);
|
|
DrawFatHand(HourHandPos(FDisplayTime), True);
|
|
Pen.Color := Self.Font.Color;
|
|
DrawFatHand(NewTime.Minute, False);
|
|
DrawFatHand(HourHandPos(NewTime), True);
|
|
end;
|
|
Pen.Color := Brush.Color;
|
|
if (NewTime.Second <> FDisplayTime.Second) then
|
|
begin
|
|
if ShowSeconds then
|
|
DrawSecondHand(NewTime.Second);
|
|
FDisplayTime := NewTime;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.PaintTimeStr(var Rect: TRect; FullTime: Boolean);
|
|
var
|
|
FontHeight, FontWidth, FullWidth, I, L, H: Integer;
|
|
TimeStr, DateStr, SAmPm: string;
|
|
NewTime: TJvClockTime;
|
|
|
|
function IsPartSym(Idx, Num: Byte): Boolean;
|
|
var
|
|
TwoSymHour: Boolean;
|
|
begin
|
|
TwoSymHour := (H >= 10) or FLeadingZero;
|
|
case Idx of
|
|
1: {hours}
|
|
Result := True;
|
|
2: {minutes}
|
|
if TwoSymHour then
|
|
Result := (Num in [4, 5])
|
|
else
|
|
Result := (Num in [3, 4]);
|
|
3: {seconds}
|
|
if TwoSymHour then
|
|
Result := FShowSeconds and (Num in [7, 8])
|
|
else
|
|
Result := FShowSeconds and (Num in [6, 7]);
|
|
else
|
|
Result := False;
|
|
end;
|
|
end;
|
|
|
|
procedure DrawSym(Sym: Char; Num: Byte);
|
|
begin
|
|
if FullTime or
|
|
((NewTime.Second <> FDisplayTime.Second) and IsPartSym(3, Num)) or
|
|
((NewTime.Minute <> FDisplayTime.Minute) and IsPartSym(2, Num)) or
|
|
(NewTime.Hour <> FDisplayTime.Hour) then
|
|
begin
|
|
DrawThemedBackground(Self, Canvas, Rect);
|
|
SetBkMode(Canvas.Handle, Windows.TRANSPARENT);
|
|
DrawText(Canvas, Sym, 1, Rect, DT_EXPANDTABS or
|
|
DT_VCENTER or DT_CENTER or DT_NOCLIP or DT_SINGLELINE);
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
if not Enabled then Exit;
|
|
|
|
GetTime(NewTime);
|
|
H := NewTime.Hour;
|
|
if NewTime.Hour >= 12 then
|
|
Dec(NewTime.Hour, 12);
|
|
if FTwelveHour then
|
|
begin
|
|
if H > 12 then
|
|
Dec(H, 12)
|
|
else
|
|
if H = 0 then
|
|
H := 12;
|
|
end;
|
|
if (not FullTime) and (NewTime.Hour <> FDisplayTime.Hour) then
|
|
begin
|
|
Repaint;
|
|
Exit;
|
|
end;
|
|
if FLeadingZero then
|
|
TimeStr := 'hh:mm'
|
|
else
|
|
TimeStr := 'h:mm';
|
|
if FShowSeconds then
|
|
TimeStr := TimeStr + ':ss';
|
|
if FTwelveHour then
|
|
TimeStr := TimeStr + ' ampm';
|
|
TimeStr := FormatDateTime(TimeStr, GetSystemTime);
|
|
if (H >= 10) or FLeadingZero then
|
|
L := 5
|
|
else
|
|
L := 4;
|
|
if FShowSeconds then
|
|
Inc(L, 3);
|
|
SAmPm := Copy(TimeStr, L + 1, MaxInt);
|
|
with Canvas do
|
|
begin
|
|
Font := Self.Font;
|
|
FontHeight := TextHeight('8');
|
|
FontWidth := TextWidth('8');
|
|
FullWidth := TextWidth(SAmPm) + (L * FontWidth);
|
|
if ShowDate then
|
|
FullWidth := FullWidth + (Length(DateFormat) + 1) * FontWidth;
|
|
with Rect do
|
|
begin
|
|
Left := ((Right + Left) - FullWidth) div 2;
|
|
Right := Left + FullWidth;
|
|
Top := ((Bottom + Top) - FontHeight) div 2;
|
|
Bottom := Top + FontHeight;
|
|
end;
|
|
Brush.Color := Color;
|
|
if ShowDate then
|
|
begin
|
|
DateStr := FormatDateTime(DateFormat + ' ', GetSystemDate);
|
|
{$IFDEF CLR}
|
|
DrawText(Canvas, DateStr, Length(DateStr), Rect,
|
|
DT_EXPANDTABS or DT_VCENTER or DT_NOCLIP or DT_SINGLELINE);
|
|
{$ELSE}
|
|
DrawText(Canvas, PChar(DateStr), Length(DateStr), Rect,
|
|
DT_EXPANDTABS or DT_VCENTER or DT_NOCLIP or DT_SINGLELINE);
|
|
{$ENDIF CLR}
|
|
Inc(Rect.Left, Length(DateFormat) * FontWidth);
|
|
end;
|
|
for I := 1 to L do
|
|
begin
|
|
Rect.Right := Rect.Left + FontWidth;
|
|
DrawSym(TimeStr[I], I);
|
|
Inc(Rect.Left, FontWidth);
|
|
end;
|
|
if FullTime or (NewTime.Hour <> FDisplayTime.Hour) then
|
|
begin
|
|
Rect.Right := Rect.Left + TextWidth(SAmPm);
|
|
{$IFDEF CLR}
|
|
DrawText(Canvas, SAmPm, Length(SAmPm), Rect,
|
|
DT_EXPANDTABS or DT_VCENTER or DT_NOCLIP or DT_SINGLELINE);
|
|
{$ELSE}
|
|
DrawText(Canvas, @SAmPm[1], Length(SAmPm), Rect, // DO NOT CHANGE @SAmPm[1], it is used to get a PChar to the string
|
|
DT_EXPANDTABS or DT_VCENTER or DT_NOCLIP or DT_SINGLELINE);
|
|
{$ENDIF CLR}
|
|
end;
|
|
end;
|
|
FDisplayTime := NewTime;
|
|
end;
|
|
|
|
procedure TJvClock.Paint3DFrame(var Rect: TRect);
|
|
var
|
|
TopColor, BottomColor: TColor;
|
|
|
|
procedure AdjustColors(Bevel: TPanelBevel);
|
|
begin
|
|
TopColor := clBtnHighlight;
|
|
if Bevel = bvLowered then
|
|
TopColor := clBtnShadow;
|
|
BottomColor := clBtnShadow;
|
|
if Bevel = bvLowered then
|
|
BottomColor := clBtnHighlight;
|
|
end;
|
|
|
|
begin
|
|
Rect := GetClientRect;
|
|
with Canvas do
|
|
begin
|
|
Brush.Color := Color;
|
|
DrawThemedBackground(Self, Canvas, Rect);
|
|
end;
|
|
if BevelOuter <> bvNone then
|
|
begin
|
|
AdjustColors(BevelOuter);
|
|
Frame3D(Canvas, Rect, TopColor, BottomColor, BevelWidth);
|
|
end;
|
|
InflateRect(Rect, -BorderWidth, -BorderWidth);
|
|
if BevelInner <> bvNone then
|
|
begin
|
|
AdjustColors(BevelInner);
|
|
Frame3D(Canvas, Rect, TopColor, BottomColor, BevelWidth);
|
|
end;
|
|
end;
|
|
|
|
procedure TJvClock.Paint;
|
|
var
|
|
R: TRect;
|
|
begin
|
|
Paint3DFrame(R);
|
|
case FShowMode of
|
|
scDigital:
|
|
PaintTimeStr(R, True);
|
|
scAnalog:
|
|
PaintAnalogClock(pmPaintAll);
|
|
end;
|
|
end;
|
|
|
|
{$IFDEF UNITVERSIONING}
|
|
initialization
|
|
RegisterUnitVersion(HInstance, UnitVersioning);
|
|
|
|
finalization
|
|
UnregisterUnitVersion(HInstance);
|
|
{$ENDIF UNITVERSIONING}
|
|
|
|
end.
|
|
|