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program LayoutTest;
uses
Classes
,fpGUI
,fpguipackage
,fpGFX
,SysUtils
;
type
// Forward declarations
TDockingForm = class;
TGridForm = class;
TBoxForm = class;
TSimpleForm = class;
TFixedForm = class;
{ TMainForm }
TMainForm = class(TFForm)
private
DockingForm: TDockingForm;
GridForm: TGridForm;
BoxForm: TBoxForm;
SimpleForm: TSimpleForm;
FixedForm: TFixedForm;
procedure BuildGUI;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
Box: TFBoxLayout;
Title: TFLabel;
SimpleBtn, FixedBtn, BoxBtn, GridBtn, DockingBtn, ExitBtn: TFButton;
Separator: TSeparator;
procedure SimpleBtnClicked(Sender: TObject);
procedure FixedBtnClicked(Sender: TObject);
procedure DockingBtnClicked(Sender: TObject);
procedure GridBtnClicked(Sender: TObject);
procedure BoxBtnClicked(Sender: TObject);
procedure ExitBtnClicked(Sender: TObject);
end;
TSimpleForm = class(TFForm)
Button: TFButton;
public
constructor Create(AOwner: TComponent); override;
end;
TFixedForm = class(TFForm)
Layout: TFFixedLayout;
Button1, Button2: TFButton;
public
constructor Create(AOwner: TComponent); override;
end;
TDockingForm = Class(TFForm)
Layout: TFDockingLayout;
Button1, Button2, Button3, Button4, Button5: TFButton;
ListBox: TFListBox;
public
constructor Create(AOwner: TComponent); override;
end;
TGridForm = Class(TFForm)
Layout: TFGridLayout;
Button1, Button2, Button3, Button4, Button5, Button6: TFButton;
public
constructor Create(AOwner: TComponent); override;
end;
TBoxForm = Class(TFForm)
Layout, BoxLayout: TFBoxLayout;
Button1, Button2, Button3, FlipButton: TFButton;
procedure FlipOrientation(Sender: TObject);
public
constructor Create(AOwner: TComponent); override;
end;
// -------------------------------------------------------------------
// TMainForm
// -------------------------------------------------------------------
procedure TMainForm.BuildGUI;
begin
Name := 'MainForm';
BorderWidth := 8;
Text := 'Layout Demo';
Box := TFBoxLayout.Create(self);
Box.Spacing := 8;
Box.Orientation := Vertical;
InsertChild(Box);
Title := TFLabel.Create('Choose a test Window:', self);
Box.InsertChild(Title);
SimpleBtn := TFButton.Create('Simple layout', self);
SimpleBtn.CanExpandWidth := True;
SimpleBtn.OnClick := @SimpleBtnClicked;
Box.InsertChild(SimpleBtn);
FixedBtn := TFButton.Create('Fixed layout', self);
FixedBtn.CanExpandWidth := True;
FixedBtn.OnClick := @FixedBtnClicked;
Box.InsertChild(FixedBtn);
BoxBtn := TFButton.Create('Boxed layout', self);
BoxBtn.CanExpandWidth := True;
BoxBtn.OnClick := @BoxBtnClicked;
Box.InsertChild(BoxBtn);
GridBtn := TFButton.Create('Grid layout', self);
GridBtn.CanExpandWidth := True;
GridBtn.OnClick := @GridBtnClicked;
Box.InsertChild(GridBtn);
DockingBtn := TFButton.Create('Docking layout', self);
DockingBtn.CanExpandWidth := True;
DockingBtn.OnClick := @DockingBtnClicked;
Box.InsertChild(DockingBtn);
Separator := TSeparator.Create(self);
Box.InsertChild(Separator);
ExitBtn := TFButton.Create('Exit', self);
ExitBtn.CanExpandWidth := True;
ExitBtn.OnClick := @ExitBtnClicked;
Box.InsertChild(ExitBtn);
end;
constructor TMainForm.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
BuildGUI;
end;
destructor TMainForm.Destroy;
begin
FixedForm.Free;
GridForm.Free;
BoxForm.Free;
DockingForm.Free;
SimpleForm.Free;
inherited Destroy;
end;
procedure TMainForm.SimpleBtnClicked(Sender: TObject);
begin
if not Assigned(SimpleForm) then
SimpleForm := TSimpleForm.Create(self);
SimpleForm.Show;
end;
type
TFriend = class(TFFixedLayout)
end;
procedure TMainForm.FixedBtnClicked(Sender: TObject);
begin
if not Assigned(FixedForm) then
FixedForm := TFixedForm.Create(self);
FixedForm.Show;
end;
procedure TMainForm.DockingBtnClicked(Sender: TObject);
begin
if not Assigned(DockingForm) then
DockingForm := TDockingForm.Create(self);
DockingForm.Show;
end;
procedure TMainForm.GridBtnClicked(Sender: TObject);
var
f, f2: TStream;
begin
if not Assigned(GridForm) then
GridForm := TGridForm.Create(self);
GridForm.Show;
{ Output the structure of GridForm.Layout }
f := TMemoryStream.Create;
f.WriteComponent(GridForm.Layout);
f2 := THandleStream.Create(StdOutputHandle);
f.Position := 0;
ObjectBinaryToText(f, f2);
f2.Free;
f.Free;
end;
procedure TMainForm.BoxBtnClicked(Sender: TObject);
begin
if not Assigned(BoxForm) then
BoxForm := TBoxForm.Create(self);
BoxForm.Show;
end;
procedure TMainForm.ExitBtnClicked(Sender: TObject);
begin
Close;
end;
// -------------------------------------------------------------------
// TSimpleForm
// -------------------------------------------------------------------
constructor TSimpleForm.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
Text := 'Simple Layout';
BorderWidth := 8;
Button := TFButton.Create(Self);
Button.Text := 'A button...';
Child := Button;
end;
// -------------------------------------------------------------------
// TFixedForm
// -------------------------------------------------------------------
constructor TFixedForm.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
Text := 'Fixed Layout';
BorderWidth := 8;
Layout := TFFixedLayout.Create(Self);
Layout.Name := 'Layout';
InsertChild(Layout);
Button1 := TFButton.Create('A button', self);
Button1.Name := 'Button1';
Layout.AddWidget(Button1, 20, 20);
Button2 := TFButton.Create('Another button', self);
Button2.Name := 'Button2';
Layout.AddWidget(Button2, 50, 100);
Button2.SetBounds(50, 100, 100, 25); // resize second button to show it works
end;
// -------------------------------------------------------------------
// TDockingForm
// -------------------------------------------------------------------
constructor TDockingForm.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
Text := 'Docking Layout';
BorderWidth := 8;
Layout := TFDockingLayout.Create(Self);
Layout.Name := 'Layout';
InsertChild(Layout);
Layout.AddWidget(TFButton.Create('Top Alignment', self), dmTop);
Layout.AddWidget(TFButton.Create('Bottom Alignment', self), dmBottom);
Layout.AddWidget(TFButton.Create('Left Alignment', self), dmLeft);
Layout.AddWidget(TFButton.Create('Right Alignment', self), dmRight);
Layout.AddWidget(TFButton.Create('aaa (bottom)', self), dmBottom);
Layout.AddWidget(TFButton.Create('bbb (bottom)', self), dmBottom);
Layout.AddWidget(TFButton.Create('ccc (bottom)', self), dmBottom);
ListBox := TFListBox.Create(self);
ListBox.Items.Add('Client Alignment');
ListBox.Items.Add('');
ListBox.Items.Add('procedure KeyPressed();');
ListBox.Items.Add('procedure KeyReleased();');
ListBox.Items.Add('procedure ButtonPressed();');
ListBox.Items.Add('procedure ButtonReleased();');
ListBox.Items.Add('procedure EnterWindow();');
ListBox.Items.Add('procedure LeaveWindow();');
ListBox.Items.Add('procedure PointerMoved();');
ListBox.Items.Add('procedure Expose();');
ListBox.Items.Add('procedure FocusIn();');
ListBox.Items.Add('procedure FocusOut();');
ListBox.Items.Add('procedure Map();');
ListBox.Items.Add('procedure Unmap();');
ListBox.Items.Add('procedure Reparent();');
ListBox.Items.Add('procedure DestroyWindow();');
ListBox.Items.Add('procedure Configure();');
ListBox.Items.Add('procedure ClientMessage();');
Layout.AddWidget(ListBox, dmClient);
end;
// -------------------------------------------------------------------
// TGridForm
// -------------------------------------------------------------------
constructor TGridForm.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
Text := 'Grid Layout';
BorderWidth := 8;
Layout := TFGridLayout.Create(Self);
Layout.Name := 'Layout';
Layout.RowCount := 4;
Layout.ColCount := 3;
InsertChild(Layout);
Button1 := TFButton.Create('Top Left', Self);
Button1.Name := 'TopLeft';
Layout.AddWidget(Button1, 0, 0, 1, 1);
Button2 := TFButton.Create('Top Right', Self);
Button2.Name := 'TopRight';
Layout.AddWidget(Button2, 2,0,1,1);
Button3 := TFButton.Create(Self);
Button3.Name := 'CenterCenter';
Button3.Text := 'Center Center';
Layout.AddWidget(Button3, 1,1,1,1);
Button4 := TFButton.Create('Bottom Left', Self);
Button4.Name := 'BottomLeft';
Layout.AddWidget(Button4,0,2,1,1);
Button5 := TFButton.Create('Bottom Right', Self);
Button5.Name := 'BottomRight';
Layout.AddWidget(Button5, 2,2,1,1);
Button6 := TFButton.Create('Span Columns', Self);
Button6.Name := 'BottomSpan';
Layout.AddWidget(Button6, 0,3,3,1);
end;
// -------------------------------------------------------------------
// TBoxForm
// -------------------------------------------------------------------
procedure TBoxForm.FlipOrientation(Sender: TObject);
begin
with BoxLayout do
begin
if Orientation = Horizontal then
begin
Orientation := Vertical;
FlipButton.Text:='Switch to horizontal';
end
else
begin
Orientation := Horizontal;
FlipButton.text:='Switch to vertical';
end;
end; { with }
// A quick hack to get the Form to redraw correctly
Close;
Show;
end;
constructor TBoxForm.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
Text := 'Box Layout';
BorderWidth := 8;
Layout := TFBoxLayout.Create(self);
Layout.Spacing := 8;
Layout.Orientation := Vertical;
InsertChild(Layout);
BoxLayout := TFBoxLayout.Create(self);
BoxLayout.Spacing := 4;
Layout.InsertChild(BoxLayout);
Button1 := TFButton.Create('Button 1', self);
BoxLayout.InsertChild(Button1);
Button2 := TFButton.Create('Button 2', self);
BoxLayout.InsertChild(Button2);
Button3 := TFButton.Create('Button 3', self);
BoxLayout.InsertChild(Button3);
FlipButton := TFButton.Create('Switch to vertical', self);
FlipButton.OnClick := @FlipOrientation;
Layout.InsertChild(FlipButton);
end;
var
MainForm: TMainForm;
begin
GFApplication.Initialize;
MainForm := TMainForm.Create(GFApplication);
try
MainForm.Show;
GFApplication.Run;
finally
MainForm.Free;
end;
end.
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