Add start of new TNewBitBtn component, to be used in Compil32 and Setup, for accessible clickable images.

Components/Components.dpk

@@ -41,6 +41,7 @@ contains
   BitmapImage in 'BitmapImage.pas',
   DropListBox in 'DropListBox.pas',
   FolderTreeView in 'FolderTreeView.pas',
+  NewBitBtn in 'NewBitBtn.pas',
   NewCheckListBox in 'NewCheckListBox.pas',
   NewNotebookReg in 'NewNotebookReg.pas',
   NewProgressBar in 'NewProgressBar.pas',

Components/NewBitBtn.pas

@@ -0,0 +1,111 @@
+unit NewBitBtn;
+
+{
+  Inno Setup
+  Copyright (C) 1997-2025 Jordan Russell
+  Portions by Martijn Laan
+  For conditions of distribution and use, see LICENSE.TXT.
+
+  TNewBitBtn - a simple TBitBtn-like compontent which its a true
+  button but only paints a bitmap and nothing else, except a focus
+  rectangle when focused - in other words: an accessible TImage
+}
+
+interface
+
+uses
+  System.Classes, Winapi.Messages, Vcl.Controls;
+
+type
+  TNewBitBtn = class(TCustomControl)
+  private
+    FOnClick: TNotifyEvent;
+  protected
+    procedure CreateParams(var Params: TCreateParams); override;
+    procedure Paint; override;
+    procedure WMSetFocus(var Message: TWMSetFocus); message WM_SETFOCUS;
+    procedure WMKillFocus(var Message: TWMKillFocus); message WM_KILLFOCUS;
+    procedure CNCommand(var Message: TWMCommand); message CN_COMMAND;
+  public
+    constructor Create(AOwner: TComponent); override;
+  published
+    property Align;
+    property Anchors;
+    property Caption;
+    property Enabled;
+    property ParentShowHint;
+    property PopupMenu;
+    property ShowHint;
+    property TabOrder;
+    property TabStop;
+    property Visible;
+    property OnClick: TNotifyEvent read FOnClick write FOnClick;
+  end;
+
+procedure Register;
+
+implementation
+
+uses
+  Vcl.Graphics;
+
+constructor TNewBitBtn.Create(AOwner: TComponent);
+begin
+  inherited;
+  ControlStyle := ControlStyle + [csParentBackground];
+  TabStop := True;
+  Width := 100;
+  Height := 24;
+end;
+
+procedure TNewBitBtn.CreateParams(var Params: TCreateParams);
+begin
+  inherited CreateParams(Params);
+  CreateSubClass(Params, 'BUTTON');
+end;
+
+procedure TNewBitBtn.Paint;
+begin
+  if csDesigning in ComponentState then begin
+    Canvas.Pen.Style := psDash;
+    Canvas.Brush.Style := bsClear;
+    Canvas.Rectangle(0, 0, Width, Height);
+  end;
+
+  var R := ClientRect;
+
+  if Focused then begin
+    { See TBitBtn.DrawItem in Vcl.Buttons.pas }
+    Canvas.Pen.Color := clWindowFrame;
+    Canvas.Brush.Style := bsSolid;
+    Canvas.Brush.Color := clBtnFace;
+    Canvas.DrawFocusRect(R);
+  end;
+
+  {!!!}
+end;
+
+procedure TNewBitBtn.WMSetFocus(var Message: TWMSetFocus);
+begin
+  inherited;
+  Invalidate;
+end;
+
+procedure TNewBitBtn.WMKillFocus(var Message: TWMKillFocus);
+begin
+  inherited;
+  Invalidate;
+end;
+
+procedure TNewBitBtn.CNCommand(var Message: TWMCommand);
+begin
+  if (Message.NotifyCode = BN_CLICKED) and Assigned(FOnClick) then
+    FOnClick(Self);
+end;
+
+procedure Register;
+begin
+  RegisterComponents('JR', [TNewBitBtn]);
+end;
+
+end.

README.md

@@ -86,6 +86,7 @@ directory.
 - BidiCtrls
 - BitmapImage
 - FolderTreeView
+- NewBitBtn
 - NewCheckListBox
 - NewNotebookReg
 - NewProgressBar