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{
Demo of modal forms in action.
NOTE: Model form are not 100% implemented yet!
}
program modalforms;
{$mode objfpc}{$H+}
uses
{$IFDEF UNIX}{$IFDEF UseCThreads}
cthreads,
{$ENDIF}{$ENDIF}
Classes,
fpg_main,
fpg_form,
fpg_dialogs,
fpg_button,
fpg_label,
fpg_popupcalendar,
fpg_combobox,
fpg_edit;
type
// forward declaration
TForm1 = class;
TForm2 = class;
TMainForm = class(TfpgForm)
private
cal: TfpgComboBox;
btnClose: TfpgButton;
btnOpenForm1: TfpgButton;
edtTest: TfpgEdit;
procedure btnCloseClick(Sender: TObject);
procedure btnOpenForm1Click(Sender: TObject);
public
constructor Create(AOwner: TComponent); override;
end;
TForm1 = class(TfpgForm)
private
cal: TfpgComboBox;
Label1: TfpgLabel;
btnClose: TfpgButton;
btnOpenForm2: TfpgButton;
edtTest: TfpgEdit;
procedure btnCloseClick(Sender: TObject);
procedure btnOpenForm2Click(Sender: TObject);
public
constructor Create(AOwner: TComponent); override;
end;
TForm2 = class(TfpgForm)
private
Label1: TfpgLabel;
btnClose: TfpgButton;
edtTest: TfpgEdit;
procedure btnCloseClick(Sender: TObject);
public
constructor Create(AOwner: TComponent); override;
end;
{ TForm2 }
procedure TForm2.btnCloseClick(Sender: TObject);
begin
Close;
end;
constructor TForm2.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
WindowTitle := 'Form2';
Sizeable := False;
SetPosition(200, 200, 200, 200);
Label1 := CreateLabel(self, 10, 10, 'This is Form2');
btnClose := CreateButton(self, 110, 170, 80, 'Quit', @btnCloseClick);
btnClose.ImageName := 'stdimg.Quit';
btnClose.ShowImage := True;
edtTest := CreateEdit(self, 10, 60, 100, 23);
end;
{ TForm1 }
procedure TForm1.btnCloseClick(Sender: TObject);
begin
Close;
end;
procedure TForm1.btnOpenForm2Click(Sender: TObject);
var
frm: TForm2;
begin
frm := TForm2.Create(Self);
try
frm.ShowModal;
writeln('Form2: This should only appear after the form closes.');
edtTest.SetFocus;
ActivateWindow;
finally
frm.Free;
end;
end;
constructor TForm1.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
Visible:=False;
WindowTitle := 'Form1';
Sizeable := False;
SetPosition(150, 150, 200, 200);
Label1 := CreateLabel(self, 10, 10, 'This is Form1');
btnClose := CreateButton(self, 110, 170, 80, 'Quit', @btnCloseClick);
btnClose.ImageName := 'stdimg.Quit';
btnClose.ShowImage := True;
btnOpenForm2 := CreateButton(self, 70, 100, 80, 'Open Form2', @btnOpenForm2Click);
cal := TfpgComboBox.Create(self);
cal.SetPosition(10, 10, 120, 23);
edtTest := CreateEdit(self, 10, 60, 100, 23);
end;
{ TMainForm }
procedure TMainForm.btnCloseClick(Sender: TObject);
begin
Close;
end;
procedure TMainForm.btnOpenForm1Click(Sender: TObject);
var
frm: TForm1;
begin
frm := TForm1.Create(Self);
try
frm.ShowModal;
writeln('Form1: This should only appear after the form closes.');
ActivateWindow;
finally
frm.Free;
end;
end;
constructor TMainForm.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
WindowTitle := 'Modal Form Demo';
Sizeable := False;
SetPosition(100, 100, 400, 200);
btnClose := CreateButton(self, 310, 170, 80, 'Quit', @btnCloseClick);
btnClose.ImageName := 'stdimg.Quit';
btnClose.ShowImage := True;
btnOpenForm1 := CreateButton(self, 100, 100, 80, 'Open Form1', @btnOpenForm1Click);
cal := TfpgComboBox.Create(self);
cal.SetPosition(10, 10, 120, 23);
edtTest := CreateEdit(self, 10, 60, 100, 23);
end;
procedure MainProc;
var
frm: TMainForm;
begin
fpgApplication.Initialize;
frm := TMainForm.Create(nil);
frm.Show;
fpgApplication.Run;
frm.Free;
end;
begin
MainProc;
end.
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