Ex5 converted to Lazarus

.gitignore

@@ -15,3 +15,5 @@ __history
 /Ex3/lib
 /Ex4/backup
 /Ex4/lib
+/Ex5/backup
+/Ex5/lib

Ex5/Ex5Proj.dpr

@@ -5,7 +5,10 @@ uses
   Ex5Unit in 'Ex5Unit.pas' {Form1},
   MTUtils in '..\CommonUtils\MTUtils.pas',
   TimeIntervals in '..\CommonUtils\TimeIntervals.pas',
-  ProgressViewer in '..\CommonUtils\ProgressViewer.pas';
+  ProgressViewer in '..\CommonUtils\ProgressViewer.pas',
+  LDSWaitFrm in '..\ExWaitWindow\LDSWaitFrm.pas' {LDSWaitForm},
+  LDSWaitIntf in '..\ExWaitWindow\LDSWaitIntf.pas',
+  ParamsUtils in '..\CommonUtils\ParamsUtils.pas';
 
 {$R *.res}
 

Ex5/Ex5Proj.dproj

@@ -1,4 +1,5 @@
-<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <ProjectGuid>{5a439af1-90ce-4391-8632-091e44023bf2}</ProjectGuid>
     <MainSource>Ex5Proj.dpr</MainSource>
@@ -30,8 +31,13 @@
       <MainSource>MainSource</MainSource>
     </DelphiCompile>
     <DCCReference Include="..\CommonUtils\MTUtils.pas" />
+    <DCCReference Include="..\CommonUtils\ParamsUtils.pas" />
     <DCCReference Include="..\CommonUtils\ProgressViewer.pas" />
     <DCCReference Include="..\CommonUtils\TimeIntervals.pas" />
+    <DCCReference Include="..\ExWaitWindow\LDSWaitFrm.pas">
+      <Form>LDSWaitForm</Form>
+    </DCCReference>
+    <DCCReference Include="..\ExWaitWindow\LDSWaitIntf.pas" />
     <DCCReference Include="Ex5Unit.pas">
       <Form>Form1</Form>
     </DCCReference>

Ex5/Ex5ProjLaz.lpi

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="12"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <Title Value="Ex5ProjLaz"/>
+      <Scaled Value="True"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+      <XPManifest>
+        <DpiAware Value="True"/>
+      </XPManifest>
+      <Icon Value="0"/>
+    </General>
+    <BuildModes>
+      <Item Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+      <UseFileFilters Value="True"/>
+    </PublishOptions>
+    <RunParams>
+      <FormatVersion Value="2"/>
+    </RunParams>
+    <RequiredPackages>
+      <Item>
+        <PackageName Value="LCL"/>
+      </Item>
+    </RequiredPackages>
+    <Units>
+      <Unit>
+        <Filename Value="Ex5ProjLaz.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit>
+      <Unit>
+        <Filename Value="Ex5Unit.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+      </Unit>
+      <Unit>
+        <Filename Value="..\CommonUtils\ParamsUtils.pas"/>
+        <IsPartOfProject Value="True"/>
+      </Unit>
+      <Unit>
+        <Filename Value="..\ExWaitWindow\LDSWaitFrm.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="LDSWaitForm"/>
+        <ResourceBaseClass Value="Form"/>
+      </Unit>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="Ex5ProjLaz"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <OtherUnitFiles Value="..\CommonUtils;..\ExWaitWindow"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Debugging>
+        <DebugInfoType Value="dsDwarf3"/>
+      </Debugging>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions>
+      <Item>
+        <Name Value="EAbort"/>
+      </Item>
+      <Item>
+        <Name Value="ECodetoolError"/>
+      </Item>
+      <Item>
+        <Name Value="EFOpenError"/>
+      </Item>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

Ex5/Ex5ProjLaz.lpr

@@ -0,0 +1,25 @@
+program Ex5ProjLaz;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}
+  cthreads,
+  {$ENDIF}
+  {$IFDEF HASAMIGA}
+  athreads,
+  {$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, Ex5Unit, ParamsUtils, LDSWaitFrm
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource:=True;
+  Application.Scaled:=True;
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+

Ex5/Ex5Unit.dfm

@@ -11,6 +11,7 @@ object Form1: TForm1
   Font.Name = 'Tahoma'
   Font.Style = []
   OldCreateOrder = False
+  OnClose = FormClose
   OnCreate = FormCreate
   OnDestroy = FormDestroy
   PixelsPerInch = 96

Ex5/Ex5Unit.lfm

@@ -0,0 +1,48 @@
+object Form1: TForm1
+  Left = 0
+  Height = 127
+  Top = 0
+  Width = 251
+  Caption = 'Form1'
+  ClientHeight = 127
+  ClientWidth = 251
+  Color = clBtnFace
+  Font.Color = clWindowText
+  Font.Height = -13
+  Font.Name = 'Tahoma'
+  OnClose = FormClose
+  OnCreate = FormCreate
+  OnDestroy = FormDestroy
+  Position = poScreenCenter
+  object Label1: TLabel
+    Left = 16
+    Height = 16
+    Top = 48
+    Width = 218
+    Caption = 'Режим завершения работы потоков:'
+  end
+  object btnRunParallelThreads: TButton
+    Left = 8
+    Height = 33
+    Top = 8
+    Width = 235
+    Caption = 'Запустить параллельные потоки'
+    TabOrder = 0
+    OnClick = btnRunParallelThreadsClick
+  end
+  object cbTerminateMode: TComboBox
+    Left = 24
+    Height = 24
+    Top = 72
+    Width = 210
+    ItemHeight = 16
+    ItemIndex = 0
+    Items.Strings = (
+      'Последовательно (медленно)'
+      'Одновременно (быстрее)'
+    )
+    Style = csDropDownList
+    TabOrder = 1
+    Text = 'Последовательно (медленно)'
+  end
+end

Ex5/Ex5Unit.pas

@@ -1,10 +1,16 @@
-unit Ex5Unit;
+{$IFDEF FPC}{$CODEPAGE UTF8}{$H+}{$MODE DELPHI}{$ENDIF}
+unit Ex5Unit;
 
 interface
 
 uses
-  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
+  {$IFnDEF FPC}
-  Dialogs, StdCtrls, ProgressViewer, Contnrs, MTUtils;
+    Windows, Messages, 
+  {$ELSE}
+    LCLIntf, LCLType, LMessages, 
+  {$ENDIF}
+    SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, Contnrs, MTUtils, 
+    LDSWaitFrm, LDSWaitIntf, ParamsUtils;
 
 type
   TMyLongThread1 = class(TThread)
@@ -40,9 +46,12 @@ type
     procedure btnRunParallelThreadsClick(Sender: TObject);
     procedure FormDestroy(Sender: TObject);
     procedure FormCreate(Sender: TObject);
+    procedure FormClose(Sender: TObject; var Action: TCloseAction);
   private
     { Private declarations }
     FList: TObjectList; // Потоки для первой и второй задачи
+
+    function StopThreads(OperType: Integer; AParams: TParamsRec; AResParams: PParamsRec; wsi: IWaitStatusInterface): Boolean;
   public
     { Public declarations }
   end;
@@ -52,7 +61,11 @@ var
 
 implementation
 
-{$R *.dfm}
+{$IFnDEF FPC}
+  {$R *.dfm}
+{$ELSE}
+  {$R *.lfm}
+{$ENDIF}
 
 procedure TForm1.btnRunParallelThreadsClick(Sender: TObject);
 begin
@@ -84,16 +97,25 @@ begin
   Sleep(5000); // Оставлено для демонстрации режима "Одновременно"  
 end;
 
+procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
+begin
+  DoOperationInThread(Self, cbTerminateMode.ItemIndex, 'Выход из программы...', ParamsEmpty, StopThreads, NOT_SHOW_STOP_BTN);
+end;
+
 procedure TForm1.FormCreate(Sender: TObject);
 begin
   FList := TObjectList.Create;
 end;
 
 procedure TForm1.FormDestroy(Sender: TObject);
+{
 var
   AProgress: TProgressViewer;
-  I: Integer;
+  I: Integer;}
 begin
+  {Пример использования TProgressViewer для визуализации.
+   Визуализация была переделана на вызов функции StopThreads через функцию DoOperationInThread
+   для совместимости в Лазарусом
   AProgress := TProgressViewer.Create('Выход из программы');
   try
     if cbTerminateMode.ItemIndex = 1 then
@@ -107,7 +129,23 @@ begin
     FList.Free;
   finally
     AProgress.TerminateProgress;
-  end;  
+  end;}
+end;
+
+function TForm1.StopThreads(OperType: Integer; AParams: TParamsRec;
+  AResParams: PParamsRec; wsi: IWaitStatusInterface): Boolean;
+var
+  I: Integer;
+begin
+  if OperType = 1 then
+  begin // Выбран режим "Одновременно (быстрее)"
+    // Выставляем флаг Terminated для всех потоков. Можно использовать
+    // родительский класс TThread для операции приведения типов.
+    for I := 0 to FList.Count - 1 do
+      TThread(FList[I]).Terminate;
+  end;
+  // При уничтожении списка TObjectList будут уничтожены все объекты потоков
+  FList.Free;
 end;
 
 { TMyLongThread2 }