IDE: save and restore of "Delete all the files?" confirmation dialog, issue #40611

(cherry picked from commit 486ffc5d9a)

ide/showdeletingfilesdlg.lfm

@@ -1,119 +1,59 @@
 object ShowDeletingFilesDialog: TShowDeletingFilesDialog
   Left = 209
-  Height = 350
+  Height = 438
   Top = 326
-  Width = 400
-  HelpContext = 0
+  Width = 500
+  HorzScrollBar.Page = 168
+  VertScrollBar.Page = 164
   ActiveControl = FileList
-  Align = alNone
-  AllowDropFiles = False
   AutoScroll = True
-  AutoSize = False
-  BorderIcons = [biSystemMenu, biMinimize, biMaximize]
-  BorderStyle = bsSizeable
   Caption = 'ShowDeletingFilesDialog'
-  ChildSizing.LeftRightSpacing = 0
-  ChildSizing.TopBottomSpacing = 0
-  ChildSizing.HorizontalSpacing = 0
-  ChildSizing.VerticalSpacing = 0
-  ChildSizing.ControlsPerLine = 0
-  ClientHeight = 350
-  ClientWidth = 400
-  DockSite = False
-  DragKind = dkDrag
-  DragMode = dmManual
-  Enabled = True
-  Font.Height = 0
-  Font.Style = []
-  FormStyle = fsNormal
-  OnCreate = FormCreate
-  ParentBiDiMode = True
-  ParentFont = False
+  ClientHeight = 438
+  ClientWidth = 500
+  DesignTimePPI = 120
   Position = poScreenCenter
-  ShowInTaskBar = stDefault
-  UseDockManager = False
-  LCLVersion = '0.9.27'
-  WindowState = wsNormal
+  LCLVersion = '3.99.0.0'
+  OnCreate = FormCreate
+  OnDestroy = FormDestroy
   object ButtonPanel: TButtonPanel
     Left = 6
     Height = 48
     Top = 302
     Width = 388
-    HelpContext = 0
-    Align = alBottom
-    AutoSize = True
-    ButtonOrder = boDefault
+    BorderSpacing.Around = 8
+    OKButton.Name = 'OKButton'
+    OKButton.DefaultCaption = True
+    HelpButton.Name = 'HelpButton'
+    HelpButton.DefaultCaption = True
+    CloseButton.Name = 'CloseButton'
+    CloseButton.DefaultCaption = True
+    CancelButton.Name = 'CancelButton'
+    CancelButton.DefaultCaption = True
     TabOrder = 0
-    DefaultButton = pbOK
     ShowButtons = [pbOK, pbCancel]
-    ShowGlyphs = [pbOK, pbCancel, pbClose, pbHelp]
-    Visible = True
   end
   object FileList: TCheckListBox
     Left = 6
     Height = 262
     Top = 6
     Width = 388
-    HelpContext = 0
     Align = alClient
-    AllowGrayed = False
-    BorderSpacing.Left = 0
-    BorderSpacing.Top = 0
-    BorderSpacing.Right = 0
-    BorderSpacing.Bottom = 0
-    BorderSpacing.Around = 6
-    BorderSpacing.CellAlignHorizontal = ccaFill
-    BorderSpacing.CellAlignVertical = ccaFill
-    BorderStyle = bsSingle
-    Columns = 0
-    DragCursor = crDrag
-    DragMode = dmManual
-    ExtendedSelect = True
-    Enabled = True
-    IntegralHeight = False
-    ItemHeight = 0
-    MultiSelect = False
-    ParentBidiMode = True
-    ParentFont = True
-    ParentShowHint = True
-    Sorted = False
-    Style = lbStandard
+    BorderSpacing.Around = 8
+    ItemHeight = 21
     TabOrder = 1
-    TabStop = True
     TopIndex = -1
-    Visible = True
   end
   object UnCheckAll: TCheckBox
     Left = 6
     Height = 22
     Top = 274
     Width = 388
-    HelpContext = 0
     Align = alBottom
-    AllowGrayed = False
-    AutoSize = True
-    BorderSpacing.Left = 0
-    BorderSpacing.Top = 0
-    BorderSpacing.Right = 0
-    BorderSpacing.Bottom = 0
-    BorderSpacing.Around = 6
-    BorderSpacing.CellAlignHorizontal = ccaFill
-    BorderSpacing.CellAlignVertical = ccaFill
+    BorderSpacing.Around = 8
     Caption = 'UnCheckAll'
     Checked = True
-    DragCursor = crDrag
-    DragKind = dkDrag
-    DragMode = dmManual
-    Enabled = True
-    OnChange = UnCheckAllChange
-    ParentColor = True
-    ParentFont = True
-    ParentShowHint = True
-    ParentBidiMode = True
     State = cbChecked
     TabOrder = 2
-    TabStop = True
-    UseOnChange = False
-    Visible = True
+    OnChange = UnCheckAllChange
   end
 end

ide/showdeletingfilesdlg.pas

@@ -6,7 +6,7 @@ interface
 
 uses
   Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
-  StdCtrls, ButtonPanel, LazarusIDEStrConsts, CheckLst;
+  StdCtrls, ButtonPanel, LazarusIDEStrConsts, IDEWindowIntf, CheckLst;
 
 type
 
@@ -17,6 +17,7 @@ type
     UnCheckAll: TCheckBox;
     FileList: TCheckListBox;
     procedure FormCreate(Sender: TObject);
+    procedure FormDestroy(Sender: TObject);
     procedure UnCheckAllChange(Sender: TObject);
   private
     { private declarations }
@@ -35,6 +36,12 @@ begin
   Caption:=lisDeleteAllTheseFiles;
   FileList.Clear;
   UnCheckAll.Caption := lisCheckUncheckAll;
+  IDEDialogLayoutList.ApplyLayout(Self);
+end;
+
+procedure TShowDeletingFilesDialog.FormDestroy(Sender: TObject);
+begin
+  IDEDialogLayoutList.SaveLayout(Self);
 end;
 
 procedure TShowDeletingFilesDialog.UnCheckAllChange(Sender: TObject);