jvexdbgrids.pas

East make Tray Icon in delphi

{-----------------------------------------------------------------------------
The contents of this file are 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 expressed or implied. See the License for
the specific language governing rights and limitations under the License.

The Original Code is: JvExDBGrids.pas, released on 2004-01-04

The Initial Developer of the Original Code is Andreas Hausladen [Andreas dott Hausladen att gmx dott de]
Portions created by Andreas Hausladen are Copyright (C) 2004 Andreas Hausladen.
All Rights Reserved.

Contributor(s): -

You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
located at http://jvcl.sourceforge.net

Known Issues:
-----------------------------------------------------------------------------}
// $Id: JvExDBGrids.pas,v 1.41 2005/03/09 07:25:02 marquardt Exp $

unit JvExDBGrids;

{$I jvcl.inc}
{MACROINCLUDE JvExControls.macros}

{*****************************************************************************
 * WARNING: Do not edit this file.
 * This file is autogenerated from the source in devtools/JvExVCL/src.
 * If you do it despite this warning your changes will be discarded by the next
 * update of this file. Do your changes in the template files.
 ****************************************************************************}

interface

uses
  Windows, Messages,
  {$IFDEF HAS_UNIT_TYPES}
  Types,
  {$ENDIF HAS_UNIT_TYPES}
  SysUtils, Classes, Graphics, Controls, Forms, DBGrids,
  {$IFDEF UNITVERSIONING}
  JclUnitVersioning,
  {$ENDIF UNITVERSIONING}
  JvTypes, JvThemes, JVCLVer, JvExControls;

type
  TJvExCustomDBGrid = class(TCustomDBGrid, 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;

  TJvExDBGrid = class(TDBGrid, 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;

{$IFDEF UNITVERSIONING}
const
  UnitVersioning: TUnitVersionInfo = (
    RCSfile: '$RCSfile: JvExDBGrids.pas,v $';
    Revision: '$Revision: 1.41 $';
    Date: '$Date: 2005/03/09 07:25:02 $';
    LogPath: 'JVCL\run'
  );
{$ENDIF UNITVERSIONING}

implementation

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

function TJvExCustomDBGrid.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 TJvExCustomDBGrid.VisibleChanged;
begin
  BaseWndProc(CM_VISIBLECHANGED);
end;

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

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

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

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

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

procedure TJvExCustomDBGrid.ParentColorChanged;
begin
  BaseWndProc(CM_PARENTCOLORCHANGED);
  if Assigned(OnParentColorChange) then
    OnParentColorChange(Self);
end;

procedure TJvExCustomDBGrid.ParentShowHintChanged;
begin
  BaseWndProc(CM_PARENTSHOWHINTCHANGED);
end;

function TJvExCustomDBGrid.WantKey(Key: Integer; Shift: TShiftState; const KeyText: WideString): Boolean;
begin
  Result := BaseWndProc(CM_DIALOGCHAR, Word(Key), ShiftStateToKeyData(Shift)) <> 0;
end;

function TJvExCustomDBGrid.HitTest(X, Y: Integer): Boolean;
begin
  Result := BaseWndProc(CM_HITTEST, 0, Integer(PointToSmallPoint(Point(X, Y)))) <> 0;
end;

function TJvExCustomDBGrid.HintShow(var HintInfo: THintInfo): Boolean;
begin
  GetHintColor(HintInfo, Self, FHintColor);
  Result := BaseWndProc(CM_HINTSHOW, 0, Integer(@HintInfo)) <> 0;
end;

procedure TJvExCustomDBGrid.MouseEnter(AControl: TControl);
begin
  FMouseOver := True;
  {$IFDEF VCL}
  if Assigned(FOnMouseEnter) then
    FOnMouseEnter(Self);
  {$ENDIF VCL}
  BaseWndProc(CM_MOUSEENTER, 0, Integer(AControl));
end;

procedure TJvExCustomDBGrid.MouseLeave(AControl: TControl);
begin
  FMouseOver := False;
  BaseWndProc(CM_MOUSELEAVE, 0, Integer(AControl));
  {$IFDEF VCL}
  if Assigned(FOnMouseLeave) then
    FOnMouseLeave(Self);
  {$ENDIF VCL}
end;

procedure TJvExCustomDBGrid.FocusChanged(AControl: TWinControl);
begin
  BaseWndProc(CM_FOCUSCHANGED, 0, Integer(AControl));
end;

{$IFDEF COMPILER5}
{$IFNDEF HASAUTOSIZE}

procedure TJvExCustomDBGrid.CMSetAutoSize(var Msg: TMessage);
begin
  SetAutoSize(Msg.WParam <> 0);
end;

procedure TJvExCustomDBGrid.SetAutoSize(Value: Boolean);
begin
  TOpenControl_SetAutoSize(Self, Value);
end;

{$ENDIF !HASAUTOSIZE}
{$ENDIF COMPILER5}

procedure TJvExCustomDBGrid.BoundsChanged;
begin
end;

procedure TJvExCustomDBGrid.CursorChanged;
begin
  BaseWndProc(CM_CURSORCHANGED);
end;

procedure TJvExCustomDBGrid.ShowingChanged;
begin
  BaseWndProc(CM_SHOWINGCHANGED);
end;

procedure TJvExCustomDBGrid.ShowHintChanged;
begin
  BaseWndProc(CM_SHOWHINTCHANGED);
end;

{ VCL sends CM_CONTROLLISTCHANGE and CM_CONTROLCHANGE in a different order than
  the CLX methods are used. So we must correct it by evaluating "Inserting". }
procedure TJvExCustomDBGrid.ControlsListChanging(Control: TControl; Inserting: Boolean);
begin
  if Inserting then
    BaseWndProc(CM_CONTROLLISTCHANGE, Integer(Control), Integer(Inserting))
  else
    BaseWndProc(CM_CONTROLCHANGE, Integer(Control), Integer(Inserting));
end;

procedure TJvExCustomDBGrid.ControlsListChanged(Control: TControl; Inserting: Boolean);
begin
  if not Inserting then
    BaseWndProc(CM_CONTROLLISTCHANGE, Integer(Control), Integer(Inserting))
  else
    BaseWndProc(CM_CONTROLCHANGE, Integer(Control), Integer(Inserting));
end;

procedure TJvExCustomDBGrid.GetDlgCode(var Code: TDlgCodes);
begin
end;

procedure TJvExCustomDBGrid.FocusSet(PrevWnd: HWND);
begin
  BaseWndProc(WM_SETFOCUS, Integer(PrevWnd), 0);
end;

procedure TJvExCustomDBGrid.FocusKilled(NextWnd: HWND);
begin
  BaseWndProc(WM_KILLFOCUS, Integer(NextWnd), 0);
end;

function TJvExCustomDBGrid.DoEraseBackground(Canvas: TCanvas; Param: Integer): Boolean;
begin
  Result := BaseWndProc(WM_ERASEBKGND, Canvas.Handle, Param) <> 0;
end;

{$IFDEF JVCLThemesEnabledD56}
function TJvExCustomDBGrid.GetParentBackground: Boolean;
begin
  Result := JvThemes.GetParentBackground(Self);
end;

procedure TJvExCustomDBGrid.SetParentBackground(Value: Boolean);
begin
  JvThemes.SetParentBackground(Self, Value);
end;
{$ENDIF JVCLThemesEnabledD56}

procedure TJvExCustomDBGrid.WndProc(var Msg: TMessage);
var
  IdSaveDC: Integer;
  DlgCodes: TDlgCodes;
  Canvas: TCanvas;
begin
  case Msg.Msg of
    CM_DENYSUBCLASSING:
      Msg.Result := Ord(GetInterfaceEntry(IJvDenySubClassing) <> nil);
    CM_DIALOGCHAR:
      with TCMDialogChar(Msg) do
        Result := Ord(WantKey(CharCode, KeyDataToShiftState(KeyData), WideChar(CharCode)));