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LCL: Allow access to buttons in CheckGroup and RadioGroup. Issue #40738, patch by Dean Mustakinov.

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This commit is contained in:
Juha 2024-01-30 12:00:03 +02:00
parent 1dbfb8fee2
commit f2a32ca78e
3 changed files with 21 additions and 0 deletions
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4
lcl/extctrls.pp
View File

@ -734,6 +734,7 @@ type
FUpdatingItems: Boolean; FUpdatingItems: Boolean;
procedure Changed(Sender: TObject); procedure Changed(Sender: TObject);
procedure Clicked(Sender: TObject); procedure Clicked(Sender: TObject);
function GetButton(Index: integer): TRadioButton;
procedure ItemEnter(Sender: TObject); procedure ItemEnter(Sender: TObject);
procedure ItemExit(Sender: TObject); procedure ItemExit(Sender: TObject);
procedure ItemKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState); procedure ItemKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
@ -769,6 +770,7 @@ type
function Rows: integer; function Rows: integer;
public public
property AutoFill: Boolean read FAutoFill write SetAutoFill; property AutoFill: Boolean read FAutoFill write SetAutoFill;
property Buttons[Index: integer]: TRadioButton read GetButton;
property ItemIndex: integer read GetItemIndex write SetItemIndex default -1; property ItemIndex: integer read GetItemIndex write SetItemIndex default -1;
property Items: TStrings read FItems write SetItems; property Items: TStrings read FItems write SetItems;
property Columns: integer read FColumns write SetColumns default 1; property Columns: integer read FColumns write SetColumns default 1;
@ -859,6 +861,7 @@ type
FColumns: integer; FColumns: integer;
FOnItemClick: TCheckGroupClicked; FOnItemClick: TCheckGroupClicked;
FUpdatingItems: Boolean; FUpdatingItems: Boolean;
function GetButton(Index: integer): TCheckBox;
function GetChecked(Index: integer): boolean; function GetChecked(Index: integer): boolean;
function GetCheckEnabled(Index: integer): boolean; function GetCheckEnabled(Index: integer): boolean;
procedure Clicked(Sender: TObject); procedure Clicked(Sender: TObject);
@ -895,6 +898,7 @@ type
function Rows: integer; function Rows: integer;
public public
property AutoFill: boolean read FAutoFill write SetAutoFill; property AutoFill: boolean read FAutoFill write SetAutoFill;
property Buttons[Index: integer]: TCheckBox read GetButton;
property Items: TStrings read FItems write SetItems; property Items: TStrings read FItems write SetItems;
property Checked[Index: integer]: boolean read GetChecked write SetChecked; property Checked[Index: integer]: boolean read GetChecked write SetChecked;
property CheckEnabled[Index: integer]: boolean read GetCheckEnabled write SetCheckEnabled; property CheckEnabled[Index: integer]: boolean read GetCheckEnabled write SetCheckEnabled;

5
lcl/include/customcheckgroup.inc
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@ -318,6 +318,11 @@ begin
Result:=TCheckBox(FButtonList[Index]).Checked; Result:=TCheckBox(FButtonList[Index]).Checked;
end; end;
function TCustomCheckGroup.GetButton(Index: integer): TCheckBox;
begin
result := TCheckBox(FButtonList[Index]);
end;
procedure TCustomCheckGroup.SetChecked(Index: integer; const AValue: boolean); procedure TCustomCheckGroup.SetChecked(Index: integer; const AValue: boolean);
begin begin
if (Index < -1) or (Index >= FItems.Count) then if (Index < -1) or (Index >= FItems.Count) then

12
lcl/include/radiogroup.inc
View File

@ -520,6 +520,18 @@ Begin
CheckItemIndexChanged; CheckItemIndexChanged;
end; end;
{------------------------------------------------------------------------------
Method: TCustomRadioGroup.GetButton
Params: Index - index of radio button in a group
Return instance of radio button in a group
------------------------------------------------------------------------------}
function TCustomRadioGroup.GetButton(Index: integer): TRadioButton;
begin
result := TRadioButton(FButtonList[Index]);
end;
{------------------------------------------------------------------------------ {------------------------------------------------------------------------------
Method: TCustomRadioGroup.Changed Method: TCustomRadioGroup.Changed
Params: sender - the calling object Params: sender - the calling object