lazarus/lcl/interfaces/win32/win32wsgrids.pp

87 lines
2.7 KiB
ObjectPascal

{ $Id$}
{
*****************************************************************************
* Win32WSGrids.pp *
* --------------- *
* *
* *
*****************************************************************************
*****************************************************************************
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 Win32WSGrids;
{$mode objfpc}{$H+}
{$I win32defines.inc}
interface
uses
////////////////////////////////////////////////////
// I M P O R T A N T
////////////////////////////////////////////////////
// To get as little as posible circles,
// uncomment only when needed for registration
////////////////////////////////////////////////////
Windows, LCLType, LazUTF8, Types, Controls, Grids, Win32Proc, Graphics,
////////////////////////////////////////////////////
WSGrids;
type
{ TWin32WSCustomGrid }
TWin32WSCustomGrid = class(TWSCustomGrid)
published
class procedure SendCharToEditor(AEditor:TWinControl; Ch: TUTF8Char); override;
class function GetEditorBoundsFromCellRect(ACanvas: TCanvas;
const ACellRect: TRect; const AColumnLayout: TTextLayout): TRect; override;
end;
implementation
{ TWin32WSCustomGrid }
class function TWin32WSCustomGrid.GetEditorBoundsFromCellRect(ACanvas: TCanvas;
const ACellRect: TRect; const AColumnLayout: TTextLayout): TRect;
var
EditorTop: LongInt;
TextHeight: Integer;
begin
Result:=ACellRect;
Dec(Result.Right);
Dec(Result.Bottom);
Inc(Result.Left, constCellPadding);
Dec(Result.Right, constCellPadding);
TextHeight := ACanvas.TextHeight(' ');
case AColumnLayout of
tlTop: EditorTop:=Result.Top+constCellPadding;
tlCenter: EditorTop:=Result.Top+Round((Result.Bottom-Result.Top-TextHeight) / 2);
tlBottom: EditorTop:=Result.Bottom-constCellPadding-TextHeight+1;
end;
if EditorTop>Result.Top then Result.Top:=EditorTop;
Result.Bottom:=Result.Top+TextHeight;
end;
class procedure TWin32WSCustomGrid.SendCharToEditor(AEditor: TWinControl;
Ch: TUTF8Char);
var
S: widestring;
WChar: WPARAM;
begin
WChar:=WPARAM(Ord(Ch[1]));
if Length(Ch)>1 then begin
S := UTF8ToUTF16(Ch);
if S='' then WChar := WPARAM(Ord('?'))
else WChar := WPARAM(S[1]);
end;
PostMessageW(AEditor.Handle, WM_CHAR, WChar, 0);
end;
end.