| 285 |
|
|
| 286 |
|
implementation |
| 287 |
|
|
| 288 |
< |
uses LCLType, Math, LCLIntf, Forms, LCLMessageGlue; |
| 288 |
> |
uses LCLType, Math, LCLIntf, Forms, LCLMessageGlue, EditBtn, MaskEdit; |
| 289 |
|
|
| 290 |
|
{ TDBControlGridDataLink } |
| 291 |
|
|
| 300 |
|
|
| 301 |
|
function TRowCache.Render(Control: TWinControl): TBitmap; |
| 302 |
|
var Container: TBitmap; |
| 303 |
– |
Msg: TLMPaint; |
| 303 |
|
begin |
| 304 |
|
Container := TBitmap.Create; |
| 305 |
|
try |
| 365 |
|
for i := StartIndex to Length(FList) - 1 do |
| 366 |
|
begin |
| 367 |
|
FList[i].FState := rcEmpty; |
| 368 |
+ |
FList[i].FBitmap := nil; |
| 369 |
|
FList[i].FAlternateColor := altColor; |
| 370 |
|
if UseAlternateColors then |
| 371 |
|
altColor := not altColor; |
| 422 |
|
Dec(RecNo); {Adust to zero base} |
| 423 |
|
ExtendCache(RecNo + 1); |
| 424 |
|
FList[RecNo].FState := rcPresent; |
| 425 |
+ |
if FList[RecNo].FBitmap <> nil then |
| 426 |
+ |
FList[RecNo].FBitmap.Free; |
| 427 |
|
FList[RecNo].FBitmap := Render(Control); |
| 428 |
|
Result := FList[RecNo].FBitmap; |
| 429 |
|
end; |
| 480 |
|
if FList[RecNo].FState = rcPresent then |
| 481 |
|
begin |
| 482 |
|
FList[RecNo].FBitmap.Free; |
| 483 |
+ |
FList[RecNo].FBitmap := nil; |
| 484 |
|
FList[RecNo].FState := rcEmpty; |
| 485 |
|
end; |
| 486 |
|
end; |
| 597 |
|
and ValidDataSet and FDatalink.DataSet.CanModify; |
| 598 |
|
end; |
| 599 |
|
|
| 597 |
– |
|
| 600 |
|
procedure TDBControlGrid.DoDrawRow(aRow: integer; aRect: TRect; |
| 601 |
|
aState: TGridDrawState); |
| 602 |
|
var CachedRow: TBitmap; |
| 674 |
|
if (AControl <> nil) and (AControl is TCustomMemo) |
| 675 |
|
and (Key in [VK_RETURN,VK_UP,VK_DOWN]) then Exit; {Ignore Return in a CustomMemo} |
| 676 |
|
|
| 677 |
+ |
if (AControl <> nil) and (AControl is TCustomGrid) |
| 678 |
+ |
and (Key in [VK_RETURN,VK_UP,VK_DOWN,VK_TAB]) then Exit; {Ignore Return in a CustomMemo} |
| 679 |
+ |
|
| 680 |
+ |
if (AControl <> nil) and ((AControl is TDateEdit) or (AControl is TCustomMaskedit)) |
| 681 |
+ |
and (Key in [VK_RETURN,VK_UP,VK_DOWN, |
| 682 |
+ |
VK_ESCAPE,VK_LEFT,VK_RIGHT]) then Exit; {Ignore Return in a CustomMemo} |
| 683 |
|
Done := false; |
| 684 |
|
if assigned(FOnKeyDownHander) then |
| 685 |
|
OnKeyDownHander(Sender,Key,Shift,Done); |
| 701 |
|
and (FModified or (FRowCache.IsEmpty(aDataSet.RecNo))) then |
| 702 |
|
begin |
| 703 |
|
RecNo := aDataSet.RecNo; |
| 696 |
– |
Application.ProcessMessages; {A couple of trips round the message loop seems to be necessary} |
| 704 |
|
Application.ProcessMessages; |
| 705 |
|
if RecNo = aDataSet.RecNo then {Guard against sudden changes} |
| 706 |
< |
FRowCache.Add2Cache(aDataSet.RecNo,FDrawPanel); |
| 706 |
> |
FRowCache.Add2Cache(RecNo,FDrawPanel); |
| 707 |
|
end; |
| 708 |
|
end; |
| 709 |
|
|
| 862 |
|
|
| 863 |
|
procedure TDBControlGrid.SetupDrawPanel(aRow: integer); |
| 864 |
|
begin |
| 865 |
+ |
if FDrawPanel = nil then Exit; |
| 866 |
|
if ValidDataSet and FRowCache.AlternateColor[FDataLink.DataSet.RecNo] then |
| 867 |
|
FDrawPanel.Color := AlternateColor |
| 868 |
|
else |
| 1182 |
|
if aCol < FixedCols then |
| 1183 |
|
DrawIndicator(Canvas,aRow, aRect,GetDataSetState,false) |
| 1184 |
|
else |
| 1185 |
< |
if FDrawPanel = nil then |
| 1186 |
< |
DrawFillRect(Canvas,aRect) else |
| 1185 |
> |
if (FDrawPanel = nil) or not FDataLink.Active then |
| 1186 |
> |
DrawFillRect(Canvas,aRect) |
| 1187 |
> |
else |
| 1188 |
|
if not FDrawingActiveRecord and FDataLink.Active then |
| 1189 |
|
DoDrawRow(aRow,aRect,aState); |
| 1190 |
|
{if we are drawing the active record then this is rendered by the Draw Panel |
| 1727 |
|
end; |
| 1728 |
|
|
| 1729 |
|
end. |
| 1730 |
+ |
|
