unit1.pas

本程序是我们做的一个用户界面设计课程的第三个实验

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ComCtrls, ExtCtrls, Buttons, ExtDlgs;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Bevel1: TBevel;
    Label3: TLabel;
    Edit3: TEdit;
    ProgressBar1: TProgressBar;
    StatusBar1: TStatusBar;
    Label4: TLabel;
    Button1: TButton;
    Edit4: TEdit;
    Label5: TLabel;
    ComboBox1: TComboBox;
    Image1: TImage;
    Panel1: TPanel;
    Label6: TLabel;
    Label7: TLabel;
    RadioGroup1: TRadioGroup;
    Edit5: TEdit;
    Label8: TLabel;
    Memo1: TMemo;
    Button2: TButton;
    Button3: TButton;
    Label9: TLabel;
    GroupBox1: TGroupBox;
    CheckBox1: TCheckBox;
    CheckBox2: TCheckBox;
    Image2: TImage;
    ListBox1: TListBox;
    Label10: TLabel;
    Button4: TButton;
    Button5: TButton;
    ListBox2: TListBox;
    BitBtn1: TBitBtn;
    Bevel2: TBevel;
    OpenPictureDialog1: TOpenPictureDialog;
    Image3: TImage;
    Timer1: TTimer;
    FontDialog1: TFontDialog;
    Button6: TButton;
    procedure Button2Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
    procedure Edit1KeyUp(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit2KeyUp(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit3KeyUp(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit4KeyUp(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit5KeyUp(Sender: TObject; var Key: Word;
      Shift: TShiftState);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
const
  Key_Enter=13;
  Key_ArrowDown=40;
  Key_ArrowUp=38;
  Key_ArrowLeft=37;
  Key_ArrowRight=39;
  Key_Home=36;
  Key_End=35;

implementation

{$R *.dfm}

procedure TForm1.Button2Click(Sender: TObject);
begin
    if Panel1.Visible=true
    then
    begin
      Panel1.Visible:=false;
      Form1.ClientWidth:=423;
    end
    else
    begin
      panel1.Visible:=true;
      Form1.ClientWidth:=819;
    end;
end;

procedure TForm1.Button4Click(Sender: TObject);
var
   i:integer;
   liststr:string;
   listcount:integer;
begin
   listcount:=ListBox1.Items.Count-1;
   for i:=0 to listcount do
     if ListBox1.Selected[i] then
     begin
       liststr:=ListBox1.Items.Strings[i];
       ListBox2.Items.Add(liststr);
     end;
   for i:=listcount downto 0 do
     if ListBox1.Selected[i] then
       ListBox1.Items.Delete(i);
end;

procedure TForm1.Button5Click(Sender: TObject);
var
   i:integer;
   liststr:string;
   listcount:integer;
begin
   listcount:=ListBox2.Items.Count-1;
   for i:=0 to listcount do
     if ListBox2.Selected[i] then
     begin
       liststr:=ListBox2.Items.Strings[i];
       ListBox1.Items.Add(liststr);
     end;
   for i:=listcount downto 0 do
     if ListBox2.Selected[i] then
       ListBox2.Items.Delete(i);
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
   OpenPictureDialog1.Execute;
   if OpenPictureDialog1.FileName = ''
   then
   else 
   begin
   image3.Picture.LoadFromFile(OpenPictureDialog1.FileName);
   image3.Stretch:=true;
   end;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  if Edit1.Text='' then ShowMessage('用户名不能为空')
  else if Edit2.Text='' then ShowMessage('密码不能为空')
  else if Edit3.Text='' then ShowMessage('确认密码不能为空')
  else if Edit4.Text='' then ShowMessage('Email不能为空')
  else
  begin
    ProgressBar1.Position:=0;
    Timer1.Enabled:=true;
  end;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
   ProgressBar1.Position:=ProgressBar1.Position+10;
   if ProgressBar1.Position=100 then
   begin
    Timer1.Enabled:=false;
    progressbar1.Position:=0;
    showmessage('提交成功');
   end
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
    if Edit1.Text='' then ShowMessage('请先输入用户名')
    else ShowMessage('用户名可以使用');
end;

procedure TForm1.Button6Click(Sender: TObject);
begin
  FontDialog1.Execute;
  Edit1.Font:=FontDialog1.Font;
  Edit2.Font:=FontDialog1.Font;
  Edit3.Font:=FontDialog1.Font;
  Edit4.Font:=FontDialog1.Font;
  Edit5.Font:=FontDialog1.Font;
  Memo1.Font:=FontDialog1.Font;
end;
procedure TForm1.Edit1KeyUp(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if (Key=Key_Enter) or (Key=Key_ArrowDown) then
       Edit2.SetFocus;
  if (ssCtrl in Shift) and (Key=Key_ArrowRight) and (Panel1.Visible=true) then
     Edit5.SetFocus;
end;

procedure TForm1.Edit2KeyUp(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if (Key=Key_Enter) or (Key=Key_ArrowDown)  then
     Edit3.SetFocus;
  if (ssCtrl in Shift) and (Key=Key_ArrowRight) and (Panel1.Visible=true) then
     Edit5.SetFocus;
  if (Key=Key_ArrowUp)  then
     Edit1.SetFocus;
end;

procedure TForm1.Edit3KeyUp(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if (Key=Key_Enter) or (Key=Key_ArrowDown)  then
     Edit4.SetFocus;
  if (ssCtrl in Shift) and (Key=Key_ArrowRight) and (Panel1.Visible=true) then
     Edit5.SetFocus;
  if (Key=Key_ArrowUp)  then
     Edit2.SetFocus;
end;

procedure TForm1.Edit4KeyUp(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if (Key=Key_Enter) or (Key=Key_ArrowDown)  then
     Button3.SetFocus;
  if (ssCtrl in Shift) and (Key=Key_ArrowRight) and (Panel1.Visible=true) then
     Edit5.SetFocus;
  if (Key=Key_ArrowUp)  then
     Edit3.SetFocus;
end;

procedure TForm1.Edit5KeyUp(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if (Key=Key_Enter) or (Key=Key_ArrowDown)  then
     Button3.SetFocus;
  if (ssCtrl in Shift) and (Key=Key_ArrowLeft) then
     Edit1.SetFocus;
  if (Key=Key_ArrowUp)  then
     Edit4.SetFocus;
end;

end.