📄 jvexextctrls.pas

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    procedure WndProc(var Msg: TMessage); override;
    procedure FocusChanged(AControl: TWinControl); dynamic;
    procedure VisibleChanged; reintroduce; dynamic;
    procedure EnabledChanged; reintroduce; dynamic;
    procedure TextChanged; reintroduce; virtual;
    procedure ColorChanged; reintroduce; dynamic;
    procedure FontChanged; reintroduce; dynamic;
    procedure ParentFontChanged; reintroduce; dynamic;
    procedure ParentColorChanged; reintroduce; dynamic;
    procedure ParentShowHintChanged; reintroduce; dynamic;
    function WantKey(Key: Integer; Shift: TShiftState; const KeyText: WideString): Boolean; reintroduce; virtual;
    function HintShow(var HintInfo: THintInfo): Boolean; reintroduce; dynamic;
    function HitTest(X, Y: Integer): Boolean; reintroduce; virtual;
    procedure MouseEnter(AControl: TControl); reintroduce; dynamic;
    procedure MouseLeave(AControl: TControl); reintroduce; dynamic;
    {$IFDEF COMPILER5}
    {$IFNDEF HASAUTOSIZE}
    procedure CMSetAutoSize(var Msg: TMessage); message CM_SETAUTOSIZE;
    procedure SetAutoSize(Value: Boolean); virtual;
    {$ENDIF !HASAUTOSIZE}
    {$ENDIF COMPILER5}
    property MouseOver: Boolean read FMouseOver write FMouseOver;
    property HintColor: TColor read FHintColor write FHintColor default clDefault;
    {$IFDEF VCL}
    property OnMouseEnter: TNotifyEvent read FOnMouseEnter write FOnMouseEnter;
    property OnMouseLeave: TNotifyEvent read FOnMouseLeave write FOnMouseLeave;
    {$ENDIF VCL}
    property OnParentColorChange: TNotifyEvent read FOnParentColorChanged write FOnParentColorChanged;
  public
    constructor Create(AOwner: TComponent); override;
  published
    property AboutJVCL: TJVCLAboutInfo read FAboutJVCL write FAboutJVCL stored False;
  protected
    procedure BoundsChanged; reintroduce; virtual;
    procedure CursorChanged; reintroduce; dynamic;
    procedure ShowingChanged; reintroduce; dynamic;
    procedure ShowHintChanged; reintroduce; dynamic;
    procedure ControlsListChanging(Control: TControl; Inserting: Boolean); reintroduce; dynamic;
    procedure ControlsListChanged(Control: TControl; Inserting: Boolean); reintroduce; dynamic;
    procedure GetDlgCode(var Code: TDlgCodes); virtual;
    procedure FocusSet(PrevWnd: HWND); virtual;
    procedure FocusKilled(NextWnd: HWND); virtual;
    function DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean; virtual;
  {$IFDEF JVCLThemesEnabledD56}
  private
    function GetParentBackground: Boolean;
  protected
    procedure SetParentBackground(Value: Boolean); virtual;
    property ParentBackground: Boolean read GetParentBackground write SetParentBackground;
  {$ENDIF JVCLThemesEnabledD56}
  end;

  TJvExLabeledEdit = class(TLabeledEdit, IJvExControl)
  private
    FAboutJVCL: TJVCLAboutInfo;
    FHintColor: TColor;
    FMouseOver: Boolean;
    {$IFDEF VCL}
    FOnMouseEnter: TNotifyEvent;
    FOnMouseLeave: TNotifyEvent;
    {$ENDIF VCL}
    FOnParentColorChanged: TNotifyEvent;
    function BaseWndProc(Msg: Integer; WParam: Integer = 0; LParam: Integer = 0): Integer;
  protected
    procedure WndProc(var Msg: TMessage); override;
    procedure FocusChanged(AControl: TWinControl); dynamic;
    procedure VisibleChanged; reintroduce; dynamic;
    procedure EnabledChanged; reintroduce; dynamic;
    procedure TextChanged; reintroduce; virtual;
    procedure ColorChanged; reintroduce; dynamic;
    procedure FontChanged; reintroduce; dynamic;
    procedure ParentFontChanged; reintroduce; dynamic;
    procedure ParentColorChanged; reintroduce; dynamic;
    procedure ParentShowHintChanged; reintroduce; dynamic;
    function WantKey(Key: Integer; Shift: TShiftState; const KeyText: WideString): Boolean; reintroduce; virtual;
    function HintShow(var HintInfo: THintInfo): Boolean; reintroduce; dynamic;
    function HitTest(X, Y: Integer): Boolean; reintroduce; virtual;
    procedure MouseEnter(AControl: TControl); reintroduce; dynamic;
    procedure MouseLeave(AControl: TControl); reintroduce; dynamic;
    {$IFDEF COMPILER5}
    {$IFNDEF HASAUTOSIZE}
    procedure CMSetAutoSize(var Msg: TMessage); message CM_SETAUTOSIZE;
    procedure SetAutoSize(Value: Boolean); virtual;
    {$ENDIF !HASAUTOSIZE}
    {$ENDIF COMPILER5}
    property MouseOver: Boolean read FMouseOver write FMouseOver;
    property HintColor: TColor read FHintColor write FHintColor default clDefault;
    {$IFDEF VCL}
    property OnMouseEnter: TNotifyEvent read FOnMouseEnter write FOnMouseEnter;
    property OnMouseLeave: TNotifyEvent read FOnMouseLeave write FOnMouseLeave;
    {$ENDIF VCL}
    property OnParentColorChange: TNotifyEvent read FOnParentColorChanged write FOnParentColorChanged;
  public
    constructor Create(AOwner: TComponent); override;
  published
    property AboutJVCL: TJVCLAboutInfo read FAboutJVCL write FAboutJVCL stored False;
  protected
    procedure BoundsChanged; reintroduce; virtual;
    procedure CursorChanged; reintroduce; dynamic;
    procedure ShowingChanged; reintroduce; dynamic;
    procedure ShowHintChanged; reintroduce; dynamic;
    procedure ControlsListChanging(Control: TControl; Inserting: Boolean); reintroduce; dynamic;
    procedure ControlsListChanged(Control: TControl; Inserting: Boolean); reintroduce; dynamic;
    procedure GetDlgCode(var Code: TDlgCodes); virtual;
    procedure FocusSet(PrevWnd: HWND); virtual;
    procedure FocusKilled(NextWnd: HWND); virtual;
    function DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean; virtual;
  {$IFDEF JVCLThemesEnabledD56}
  private
    function GetParentBackground: Boolean;
  protected
    procedure SetParentBackground(Value: Boolean); virtual;
    property ParentBackground: Boolean read GetParentBackground write SetParentBackground;
  {$ENDIF JVCLThemesEnabledD56}
  end;

  TJvExCustomColorBox = class(TCustomColorBox, IJvExControl)
  private
    FAboutJVCL: TJVCLAboutInfo;
    FHintColor: TColor;
    FMouseOver: Boolean;
    {$IFDEF VCL}
    FOnMouseEnter: TNotifyEvent;
    FOnMouseLeave: TNotifyEvent;
    {$ENDIF VCL}
    FOnParentColorChanged: TNotifyEvent;
    function BaseWndProc(Msg: Integer; WParam: Integer = 0; LParam: Integer = 0): Integer;
  protected
    procedure WndProc(var Msg: TMessage); override;
    procedure FocusChanged(AControl: TWinControl); dynamic;
    procedure VisibleChanged; reintroduce; dynamic;
    procedure EnabledChanged; reintroduce; dynamic;
    procedure TextChanged; reintroduce; virtual;
    procedure ColorChanged; reintroduce; dynamic;
    procedure FontChanged; reintroduce; dynamic;
    procedure ParentFontChanged; reintroduce; dynamic;
    procedure ParentColorChanged; reintroduce; dynamic;
    procedure ParentShowHintChanged; reintroduce; dynamic;
    function WantKey(Key: Integer; Shift: TShiftState; const KeyText: WideString): Boolean; reintroduce; virtual;
    function HintShow(var HintInfo: THintInfo): Boolean; reintroduce; dynamic;
    function HitTest(X, Y: Integer): Boolean; reintroduce; virtual;
    procedure MouseEnter(AControl: TControl); reintroduce; dynamic;
    procedure MouseLeave(AControl: TControl); reintroduce; dynamic;
    {$IFDEF COMPILER5}
    {$IFNDEF HASAUTOSIZE}
    procedure CMSetAutoSize(var Msg: TMessage); message CM_SETAUTOSIZE;
    procedure SetAutoSize(Value: Boolean); virtual;
    {$ENDIF !HASAUTOSIZE}
    {$ENDIF COMPILER5}
    property MouseOver: Boolean read FMouseOver write FMouseOver;
    property HintColor: TColor read FHintColor write FHintColor default clDefault;
    {$IFDEF VCL}
    property OnMouseEnter: TNotifyEvent read FOnMouseEnter write FOnMouseEnter;
    property OnMouseLeave: TNotifyEvent read FOnMouseLeave write FOnMouseLeave;
    {$ENDIF VCL}
    property OnParentColorChange: TNotifyEvent read FOnParentColorChanged write FOnParentColorChanged;
  public
    constructor Create(AOwner: TComponent); override;
  published
    property AboutJVCL: TJVCLAboutInfo read FAboutJVCL write FAboutJVCL stored False;
  protected
    procedure BoundsChanged; reintroduce; virtual;
    procedure CursorChanged; reintroduce; dynamic;
    procedure ShowingChanged; reintroduce; dynamic;
    procedure ShowHintChanged; reintroduce; dynamic;
    procedure ControlsListChanging(Control: TControl; Inserting: Boolean); reintroduce; dynamic;
    procedure ControlsListChanged(Control: TControl; Inserting: Boolean); reintroduce; dynamic;
    procedure GetDlgCode(var Code: TDlgCodes); virtual;
    procedure FocusSet(PrevWnd: HWND); virtual;
    procedure FocusKilled(NextWnd: HWND); virtual;
    function DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean; virtual;
  {$IFDEF JVCLThemesEnabledD56}
  private
    function GetParentBackground: Boolean;
  protected
    procedure SetParentBackground(Value: Boolean); virtual;
    property ParentBackground: Boolean read GetParentBackground write SetParentBackground;
  {$ENDIF JVCLThemesEnabledD56}
  end;

  TJvExColorBox = class(TColorBox, IJvExControl)
  private
    FAboutJVCL: TJVCLAboutInfo;
    FHintColor: TColor;
    FMouseOver: Boolean;
    {$IFDEF VCL}
    FOnMouseEnter: TNotifyEvent;
    FOnMouseLeave: TNotifyEvent;
    {$ENDIF VCL}
    FOnParentColorChanged: TNotifyEvent;
    function BaseWndProc(Msg: Integer; WParam: Integer = 0; LParam: Integer = 0): Integer;
  protected
    procedure WndProc(var Msg: TMessage); override;
    procedure FocusChanged(AControl: TWinControl); dynamic;
    procedure VisibleChanged; reintroduce; dynamic;
    procedure EnabledChanged; reintroduce; dynamic;
    procedure TextChanged; reintroduce; virtual;
    procedure ColorChanged; reintroduce; dynamic;
    procedure FontChanged; reintroduce; dynamic;
    procedure ParentFontChanged; reintroduce; dynamic;
    procedure ParentColorChanged; reintroduce; dynamic;
    procedure ParentShowHintChanged; reintroduce; dynamic;
    function WantKey(Key: Integer; Shift: TShiftState; const KeyText: WideString): Boolean; reintroduce; virtual;
    function HintShow(var HintInfo: THintInfo): Boolean; reintroduce; dynamic;
    function HitTest(X, Y: Integer): Boolean; reintroduce; virtual;
    procedure MouseEnter(AControl: TControl); reintroduce; dynamic;
    procedure MouseLeave(AControl: TControl); reintroduce; dynamic;
    {$IFDEF COMPILER5}
    {$IFNDEF HASAUTOSIZE}
    procedure CMSetAutoSize(var Msg: TMessage); message CM_SETAUTOSIZE;
    procedure SetAutoSize(Value: Boolean); virtual;
    {$ENDIF !HASAUTOSIZE}
    {$ENDIF COMPILER5}
    property MouseOver: Boolean read FMouseOver write FMouseOver;
    property HintColor: TColor read FHintColor write FHintColor default clDefault;
    {$IFDEF VCL}
    property OnMouseEnter: TNotifyEvent read FOnMouseEnter write FOnMouseEnter;
    property OnMouseLeave: TNotifyEvent read FOnMouseLeave write FOnMouseLeave;
    {$ENDIF VCL}
    property OnParentColorChange: TNotifyEvent read FOnParentColorChanged write FOnParentColorChanged;
  public
    constructor Create(AOwner: TComponent); override;
  published
    property AboutJVCL: TJVCLAboutInfo read FAboutJVCL write FAboutJVCL stored False;
  protected
    procedure BoundsChanged; reintroduce; virtual;
    procedure CursorChanged; reintroduce; dynamic;
    procedure ShowingChanged; reintroduce; dynamic;
    procedure ShowHintChanged; reintroduce; dynamic;
    procedure ControlsListChanging(Control: TControl; Inserting: Boolean); reintroduce; dynamic;
    procedure ControlsListChanged(Control: TControl; Inserting: Boolean); reintroduce; dynamic;
    procedure GetDlgCode(var Code: TDlgCodes); virtual;
    procedure FocusSet(PrevWnd: HWND); virtual;
    procedure FocusKilled(NextWnd: HWND); virtual;
    function DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean; virtual;
  {$IFDEF JVCLThemesEnabledD56}
  private
    function GetParentBackground: Boolean;
  protected
    procedure SetParentBackground(Value: Boolean); virtual;
    property ParentBackground: Boolean read GetParentBackground write SetParentBackground;
  {$ENDIF JVCLThemesEnabledD56}
  end;

  {$ENDIF COMPILER6_UP}

// SplitterMouseDownFix fixes a bug in the VCL that causes the splitter to no
// more work with the control in the left/top of it when the control has a size
// of 0. This is actually a TWinControl.AlignControl bug.
procedure SplitterMouseDownFix(Splitter: TSplitter);

{$IFDEF UNITVERSIONING}
const
  UnitVersioning: TUnitVersionInfo = (
    RCSfile: '$RCSfile: JvExExtCtrls.pas,v $';
    Revision: '$Revision: 1.57 $';
    Date: '$Date: 2005/03/09 07:25:02 $';
    LogPath: 'JVCL\run'
  );
{$ENDIF UNITVERSIONING}

implementation

constructor TJvExShape.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  FHintColor := clDefault;
end;

function TJvExShape.BaseWndProc(Msg: Integer; WParam: Integer = 0; LParam: Integer = 0): Integer;
var
  Mesg: TMessage;
begin
  Mesg.Msg := Msg;
  Mesg.WParam := WParam;
  Mesg.LParam := LParam;
  Mesg.Result := 0;
  inherited WndProc(Mesg);
  Result := Mesg.Result;
end;

procedure TJvExShape.VisibleChanged;
begin
  BaseWndProc(CM_VISIBLECHANGED);
end;

procedure TJvExShape.EnabledChanged;
begin
  BaseWndProc(CM_ENABLEDCHANGED);
end;

procedure TJvExShape.TextChanged;
begin
  BaseWndProc(CM_TEXTCHANGED);
end;

procedure TJvExShape.FontChanged;
begin
  BaseWndProc(CM_FONTCHANGED);
end;

procedure TJvExShape.ColorChanged;
begin
  BaseWndProc(CM_COLORCHANGED);
end;

procedure TJvExShape.ParentFontChanged;
begin
  BaseWndProc(CM_PARENTFONTCHANGED);
end;
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