490 lines
14 KiB
ObjectPascal
490 lines
14 KiB
ObjectPascal
unit WPF;
|
|
|
|
{$reference 'PresentationFramework.dll'}
|
|
{$reference 'WindowsBase.dll'}
|
|
{$reference 'PresentationCore.dll'}
|
|
|
|
{$apptype windows}
|
|
|
|
uses System.Windows;
|
|
uses System.Windows.Controls;
|
|
uses System.Windows.Controls.Primitives;
|
|
uses System.Windows.Data;
|
|
uses System.Windows.Media;
|
|
uses System.Windows.Shapes;
|
|
uses System.Windows.Markup;
|
|
|
|
type
|
|
TControl = Control;
|
|
|
|
Panel = Panel;
|
|
Grid = Grid;
|
|
Canvas = Canvas;
|
|
StackPanel = StackPanel;
|
|
DockPanel = DockPanel;
|
|
WrapPanel = WrapPanel;
|
|
|
|
TPanel = Panel;
|
|
TGrid = Grid;
|
|
TStackPanel = StackPanel;
|
|
TDockPanel = DockPanel;
|
|
TCanvas = Canvas;
|
|
|
|
// Типы элементов управления
|
|
Button = Button;
|
|
TButton = Button;
|
|
&Label = &Label;
|
|
TLabel = &Label;
|
|
CheckBox = CheckBox;
|
|
TextBox = TextBox;
|
|
Slider = Slider;
|
|
ComboBox = ComboBox;
|
|
TextBlock = TextBlock;
|
|
Border = System.Windows.Controls.Border;
|
|
Rectangle = Rectangle;
|
|
|
|
DrawingVisual = DrawingVisual;
|
|
|
|
Thickness = Thickness;
|
|
TThickness = Thickness;
|
|
FontStyle = FontStyle;
|
|
FontStyles = FontStyles;
|
|
GridLength = GridLength;
|
|
GridUnitType = GridUnitType;
|
|
Brushes = Brushes;
|
|
Brush = Brush;
|
|
Pen = Pen;
|
|
Point = Point;
|
|
Colors = Colors;
|
|
SolidColorBrush = SolidColorBrush;
|
|
Orientation = Orientation;
|
|
TOrientation = Orientation;
|
|
VerticalAlignment = VerticalAlignment;
|
|
HorizontalAlignment = HorizontalAlignment;
|
|
HA = HorizontalAlignment;
|
|
VA = VerticalAlignment;
|
|
Dock = Dock;
|
|
Color = Color;
|
|
TColor = Color;
|
|
TickPlacement = TickPlacement;
|
|
Binding = Binding;
|
|
PropertyPath = PropertyPath;
|
|
|
|
EventArgs = System.EventArgs;
|
|
RoutedEventArgs = RoutedEventArgs;
|
|
RoutedEventHandler = RoutedEventHandler;
|
|
EventHandler = RoutedEventHandler;
|
|
|
|
SizeToContent = SizeToContent;
|
|
|
|
FontWeight = FontWeight;
|
|
FontWeights = FontWeights;
|
|
WindowStartupLocation = WindowStartupLocation;
|
|
|
|
var Application := new Application;
|
|
var MainWindow: Window;
|
|
var Content: UIElement;
|
|
var CurrentParent: FrameworkElement := nil;
|
|
|
|
type
|
|
Drawing = class(FrameworkElement)
|
|
public
|
|
children: VisualCollection;
|
|
protected
|
|
function GetVisualChild(index: integer): Visual; override;
|
|
begin
|
|
if (index < 0) or (index >= children.Count) then
|
|
raise new System.ArgumentOutOfRangeException();
|
|
Result := children[index];
|
|
end;
|
|
public
|
|
constructor := children := new VisualCollection(Self);
|
|
property VisualChildrenCount: integer read children.Count; override;
|
|
procedure Add(v: DrawingVisual) := children.Add(v);
|
|
end;
|
|
|
|
function RGB(r,g,b: byte) := Color.Fromrgb(r, g, b);
|
|
function ARGB(a,r,g,b: byte) := Color.FromArgb(a, r, g, b);
|
|
function GrayColor(b: byte): Color := RGB(b, b, b);
|
|
function RandomColor := RGB(PABCSystem.Random(256), PABCSystem.Random(256), PABCSystem.Random(256));
|
|
function EmptyColor: Color := ARGB(0,0,0,0);
|
|
function Pnt(x,y: real) := new Point(x,y);
|
|
function Rect(x,y,w,h: real) := new System.Windows.Rect(x,y,w,h);
|
|
|
|
function CreateDrawing := Drawing.Create;
|
|
|
|
function operator implicit(n: integer): Thickness; extensionmethod;
|
|
begin
|
|
Result := new Thickness(n);
|
|
end;
|
|
|
|
function operator implicit(n: real): Thickness; extensionmethod;
|
|
begin
|
|
Result := new Thickness(n);
|
|
end;
|
|
|
|
function operator implicit(a: array of real): Thickness; extensionmethod;
|
|
begin
|
|
case a.Length of
|
|
1: Result := new Thickness(a[0]);
|
|
2: Result := new Thickness(a[0],a[1],0,0);
|
|
3: Result := new Thickness(a[0],a[1],a[2],0);
|
|
4: Result := new Thickness(a[0],a[1],a[2],a[3]);
|
|
end;
|
|
end;
|
|
|
|
function operator implicit(a: array of integer): Thickness; extensionmethod;
|
|
begin
|
|
case a.Length of
|
|
1: Result := new Thickness(a[0]);
|
|
2: Result := new Thickness(a[0],a[1],0,0);
|
|
3: Result := new Thickness(a[0],a[1],a[2],0);
|
|
4: Result := new Thickness(a[0],a[1],a[2],a[3]);
|
|
end;
|
|
end;
|
|
|
|
function operator implicit(name: string): FontFamily; extensionmethod;
|
|
begin
|
|
Result := new FontFamily(name);
|
|
end;
|
|
|
|
|
|
procedure SetPosition(Self: Control; Left,Top: real); extensionmethod;
|
|
begin
|
|
Canvas.SetLeft(Self,Left);
|
|
Canvas.SetTop(Self,Top);
|
|
end;
|
|
|
|
procedure Add(Self: Panel; c: FrameworkElement); extensionmethod := Self.Children.Add(c);
|
|
|
|
procedure Add(Self: Grid; c: FrameworkElement; row,col: integer); extensionmethod;
|
|
begin
|
|
Self.Children.Add(c);
|
|
Grid.SetRow(c,row);
|
|
Grid.SetColumn(c,col);
|
|
end;
|
|
|
|
function AddToCell<T>(Self: T; gr: TGrid; row,col: integer): T; extensionmethod; where T: FrameworkElement;
|
|
begin
|
|
Result := Self;
|
|
if gr<>nil then
|
|
gr.Add(Result,row,col);
|
|
end;
|
|
|
|
function AddTo<T>(Self: T; gr: TPanel): T; extensionmethod; where T: FrameworkElement;
|
|
begin
|
|
Result := Self;
|
|
if gr<>nil then
|
|
gr.Add(Result);
|
|
end;
|
|
|
|
function AddTo(Self: DrawingVisual; dr: Drawing): DrawingVisual; extensionmethod;
|
|
begin
|
|
Result := Self;
|
|
if dr<>nil then
|
|
dr.children.Add(Result);
|
|
end;
|
|
|
|
function GBrush(c: Color): Brush := new SolidColorBrush(c);
|
|
function GBrush(r,g,b: integer): Brush := new SolidColorBrush(Color.FromRgb(r,g,b));
|
|
function GBrush(a,r,g,b: integer): Brush := new SolidColorBrush(Color.FromARgb(a,r,g,b));
|
|
|
|
function GPen(c: Color; width: real := 1) := new Pen(GBrush(c),width);
|
|
|
|
var CurrentPen := GPen(Colors.Black,1);
|
|
var CurrentBrush := GBrush(Colors.White);
|
|
|
|
// Декораторы
|
|
function &With(Self: TGrid; ShowGridLines: boolean := True): TGrid; extensionmethod;
|
|
begin
|
|
Self.ShowGridLines := ShowGridLines;
|
|
Result := Self;
|
|
end;
|
|
|
|
function &With<T>(Self: T; Margin: Thickness := 0;
|
|
HA: HorizontalAlignment := WPF.HA.Stretch;
|
|
VA: VerticalAlignment := WPF.VA.Stretch
|
|
): T; extensionmethod; where T: FrameworkElement;
|
|
begin
|
|
Self.Margin := Margin;
|
|
Self.HorizontalAlignment := HA;
|
|
Self.VerticalAlignment := VA;
|
|
Result := Self;
|
|
end;
|
|
|
|
function &With(Self: StackPanel; Background: Brush := nil;
|
|
Color: TColor := Colors.White): StackPanel; extensionmethod;
|
|
begin
|
|
if Background <> nil then
|
|
Self.Background := Background
|
|
else Self.Background := GBrush(color);
|
|
Result := Self;
|
|
end;
|
|
|
|
function &With(Self: Canvas; Background: Brush := nil;
|
|
Color: TColor := Colors.White): Canvas; extensionmethod;
|
|
begin
|
|
if Background <> nil then
|
|
Self.Background := Background
|
|
else Self.Background := GBrush(color);
|
|
Result := Self;
|
|
end;
|
|
|
|
function AsMainContent<T>(Self: T): T; extensionmethod; where T: FrameworkElement;
|
|
begin
|
|
MainWindow.Content := Self;
|
|
Result := Self;
|
|
CurrentParent := Self;
|
|
end;
|
|
|
|
procedure Render(Self: DrawingVisual; draw: DrawingContext -> ()); extensionmethod;
|
|
begin
|
|
var dc := Self.RenderOpen();
|
|
draw(dc);
|
|
dc.Close;
|
|
end;
|
|
|
|
function CreateBinding(Source: FrameworkElement; PropertyName: string; Mode: BindingMode := BindingMode.Default): Binding;
|
|
begin
|
|
var bind := new Binding();
|
|
bind.Source := Source;
|
|
bind.Path := new PropertyPath(PropertyName);
|
|
bind.Mode := Mode;
|
|
Result := bind;
|
|
end;
|
|
|
|
function SetBinding(Self: FrameworkElement; dp: DependencyProperty; dest: FrameworkElement;
|
|
PropertyName: string; Mode: BindingMode := BindingMode.Default): BindingExpressionBase; extensionmethod
|
|
:= Self.SetBinding(dp,CreateBinding(dest,PropertyName,Mode));
|
|
|
|
// Методы расширения панелей
|
|
procedure DockPanel.Add(c: FrameworkElement; dock: WPF.Dock);
|
|
begin
|
|
Self.Add(c);
|
|
DockPanel.SetDock(c,dock);
|
|
end;
|
|
|
|
procedure StackPanel.Add(c: FrameworkElement);
|
|
begin
|
|
Self.Children.Add(c);
|
|
end;
|
|
|
|
procedure StackPanel.AddElements(params aa: array of FrameworkElement);
|
|
begin
|
|
foreach var c in aa do
|
|
Self.Children.Add(c);
|
|
end;
|
|
|
|
procedure StackPanel.AddButtons(buttons: array of Button;
|
|
Width: real := real.NaN; Height: real := real.NaN; Padding: Thickness := 0; Margin: Thickness := 0);
|
|
begin
|
|
foreach var b in buttons do
|
|
begin
|
|
b.Margin := Margin;
|
|
b.Padding := Padding;
|
|
b.Width := Width;
|
|
b.Height := Height;
|
|
Self.Add(b);
|
|
end;
|
|
end;
|
|
|
|
function Text(Self: TButton): string; extensionmethod := Self.Content as string;
|
|
function Text(Self: &Label): string; extensionmethod := Self.Content as string;
|
|
function Text(Self: CheckBox): string; extensionmethod := Self.Content as string;
|
|
|
|
function AddTo<T>(Self: T; gr: DockPanel; dock: WPF.Dock): T; extensionmethod; where T: FrameworkElement;
|
|
begin
|
|
Result := Self;
|
|
if gr<>nil then
|
|
gr.Add(Result,dock);
|
|
end;
|
|
|
|
function Init(Self: FrameworkElement; Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0): FrameworkElement; extensionmethod;
|
|
begin
|
|
Self.Width := Width;
|
|
Self.Height := Height;
|
|
Self.Margin := Margin;
|
|
Result := Self;
|
|
end;
|
|
|
|
function ParseXaml(s: string): object;
|
|
begin
|
|
var context := new ParserContext();
|
|
context.XmlnsDictionary.Add('','http://schemas.microsoft.com/winfx/2006/xaml/presentation');
|
|
context.XmlnsDictionary.Add('x', 'http://schemas.microsoft.com/winfx/2006/xaml');
|
|
Result := System.Windows.Markup.XamlReader.Parse(s,context);
|
|
end;
|
|
|
|
function LoadFromXaml(fname: string): object;
|
|
begin
|
|
var s := ReadAllText(fname);
|
|
Result := ParseXaml(s);
|
|
end;
|
|
|
|
// Функции создания элементов управления
|
|
|
|
function CreateButton(Text: string; Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0; Padding: Thickness := 0): Button;
|
|
begin
|
|
Result := Button.Create;
|
|
Result.Init(Width,Height,Margin);
|
|
Result.Content := Text;
|
|
Result.Padding := Padding;
|
|
end;
|
|
|
|
function CreateButtons(Texts: array of string; Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0; Padding: Thickness := 0): array of Button;
|
|
begin
|
|
Result := new Button[Texts.Length];
|
|
for var i:=0 to Result.Length - 1 do
|
|
Result[i] := CreateButton(Texts[i], Width, Height, Margin, Padding);
|
|
end;
|
|
|
|
function CreateTextBox(Text: string; Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0): TextBox;
|
|
begin
|
|
Result := TextBox.Create;
|
|
Result.Init(Width,Height,Margin);
|
|
Result.Text := Text;
|
|
end;
|
|
|
|
function CreateLabel(Text: string; Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0): &Label;
|
|
begin
|
|
Result := &Label.Create;
|
|
Result.Init(Width,Height,Margin);
|
|
Result.Content := Text;
|
|
end;
|
|
|
|
function CreateTextBlock(Text: string := ''; Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0): TextBlock;
|
|
begin
|
|
Result := TextBlock.Create;
|
|
Result.Init(Width,Height,Margin);
|
|
Result.Text := Text;
|
|
end;
|
|
|
|
function CreateCheckBox(Text: string; Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0; IsChecked: boolean := False): CheckBox;
|
|
begin
|
|
Result := CheckBox.Create;
|
|
Result.Init(Width,Height,Margin);
|
|
Result.Content := Text;
|
|
Result.IsChecked := IsChecked;
|
|
end;
|
|
|
|
function CreateSlider(Min: real := 0; Max: real := 10; Step: real := 1; TickFrequency: real := 1;
|
|
Width: real := real.NaN; Height: real := real.NaN; Margin: Thickness := 0;
|
|
Value: real := real.NaN): Slider;
|
|
begin
|
|
Result := Slider.Create;
|
|
Result.Init(Width,Height,Margin);
|
|
Result.Minimum := Min;
|
|
Result.Maximum := Max;
|
|
Result.SmallChange := Step;
|
|
Result.LargeChange := Step;
|
|
Result.TickFrequency := TickFrequency;
|
|
Result.TickPlacement := TickPlacement.TopLeft;
|
|
if not real.IsNaN(Value) then
|
|
Result.Value := Value
|
|
end;
|
|
|
|
//-- Создание панелей
|
|
|
|
function CreateComboBox(Items: array of string := nil; Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0): ComboBox;
|
|
begin
|
|
Result := ComboBox.Create;
|
|
Result.Init(Width,Height,Margin);
|
|
if items <> nil then
|
|
foreach var item in items do
|
|
Result.Items.Add(item);
|
|
Result.SelectedIndex := 0;
|
|
end;
|
|
|
|
function CreateGrid(rows: integer := 1; cols: integer := 1; ColumnWidths: array of real := nil;
|
|
RowHeights: array of real := nil): Grid;
|
|
begin
|
|
var gr := new Grid;
|
|
//gr.ShowGridLines := True;
|
|
loop rows do
|
|
gr.RowDefinitions.Add(new RowDefinition);
|
|
loop cols do
|
|
gr.ColumnDefinitions.Add(new ColumnDefinition);
|
|
if ColumnWidths <> nil then
|
|
for var i:=0 to ColumnWidths.Length - 1 do
|
|
gr.ColumnDefinitions[i].Width := new GridLength(ColumnWidths[i],GridUnitType.Star);
|
|
if RowHeights <> nil then
|
|
for var i:=0 to RowHeights.Length - 1 do
|
|
gr.RowDefinitions[i].Height := new GridLength(RowHeights[i],GridUnitType.Star);
|
|
Result := gr;
|
|
end;
|
|
|
|
function CreateDockPanel(Margin: Thickness := 0): DockPanel;
|
|
begin
|
|
Result := new DockPanel;
|
|
Result.Margin := Margin;
|
|
end;
|
|
|
|
function CreateCanvas(Margin: Thickness := 0): Canvas;
|
|
begin
|
|
Result := new Canvas;
|
|
Result.Margin := Margin;
|
|
end;
|
|
|
|
function CreateStackPanel(Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0; Horizontal: boolean := False): StackPanel;
|
|
begin
|
|
Result := new StackPanel;
|
|
Result.Init(Width,Height,Margin);
|
|
if Horizontal then
|
|
Result.Orientation := Orientation.Horizontal;
|
|
end;
|
|
|
|
function CreateRectangle(Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0): Rectangle;
|
|
begin
|
|
Result := new Rectangle;
|
|
Result.Init(Width,Height,Margin);
|
|
end;
|
|
|
|
type
|
|
///!#
|
|
Controls = static class
|
|
static function Button(Text: string; Left: real := real.NaN; Top: real := real.NaN;
|
|
Width: real := real.NaN; Height: real := real.NaN; Margin: Thickness := 0;
|
|
Padding: Thickness := 0): TButton
|
|
:= WPF.CreateButton(Text,Width,Height,Margin,Padding);
|
|
static function Drawing: WPF.Drawing
|
|
:= CreateDrawing;
|
|
static function DrawingVisual: WPF.DrawingVisual
|
|
:= new WPF.DrawingVisual;
|
|
end;
|
|
Panels = static class
|
|
static function Grid(rows: integer := 1; cols: integer := 1; ColumnWidths: array of real := nil; RowHeights: array of real := nil): TGrid
|
|
:= CreateGrid(rows,cols,ColumnWidths,RowHeights);
|
|
static function StackPanel(Width: real := real.NaN; Height: real := real.NaN;
|
|
Margin: Thickness := 0; Horizontal: boolean := False): TStackPanel
|
|
:= CreateStackPanel(Width,Height,Margin,Horizontal);
|
|
static function DockPanel(Margin: Thickness := 0): TDockPanel := CreateDockPanel(Margin);
|
|
end;
|
|
|
|
initialization
|
|
MainWindow := new Window;
|
|
|
|
MainWindow.Width := 800;
|
|
MainWindow.Height := 600;
|
|
MainWindow.Title := 'WPF';
|
|
|
|
var w := SystemParameters.PrimaryScreenWidth - MainWindow.Width;
|
|
var h := SystemParameters.PrimaryScreenHeight - Mainwindow.Height;
|
|
MainWindow.Left := w/2;
|
|
MainWindow.Top := h/2;
|
|
|
|
var gr := new Grid;
|
|
MainWindow.Content := gr;
|
|
CurrentParent := MainWindow;
|
|
finalization
|
|
Application.Run(MainWindow);
|
|
end. |