AST development
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@@ -14,10 +14,7 @@ uses
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FMX.Objects;
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FMX.Objects;
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type
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type
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/// <summary>
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// A movable panel with a custom-painted border and title.
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/// A panel that can contain other controls and can be moved by dragging its background.
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/// It custom-paints its own border and title.
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/// </summary>
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TAuraNode = class(TStyledControl)
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TAuraNode = class(TStyledControl)
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private
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private
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// Flag to indicate if the control is currently being dragged.
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// Flag to indicate if the control is currently being dragged.
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@@ -190,45 +187,45 @@ end;
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procedure TAuraNode.Paint;
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procedure TAuraNode.Paint;
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var
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var
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LRect, LTitleRect: TRectF;
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rect, titleRect: TRectF;
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begin
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begin
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inherited; // Allow styled painting to occur first (if any)
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inherited; // Allow styled painting to occur first (if any)
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// Custom painting for the border
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// Custom painting for the border
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if (FBorderWidth > 0) and (FBorderColor <> TAlphaColors.Null) then
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if (FBorderWidth > 0) and (FBorderColor <> TAlphaColors.Null) then
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begin
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begin
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LRect := TRectF.Create(0, 0, Width, Height);
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rect := TRectF.Create(0, 0, Width, Height);
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// Inflate inwards so the border is fully visible within the control's bounds
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// Inflate inwards so the border is fully visible within the control's bounds
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LRect.Inflate(-FBorderWidth / 2, -FBorderWidth / 2);
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rect.Inflate(-FBorderWidth / 2, -FBorderWidth / 2);
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Canvas.Stroke.Kind := TBrushKind.Solid;
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Canvas.Stroke.Kind := TBrushKind.Solid;
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Canvas.Stroke.Color := FBorderColor;
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Canvas.Stroke.Color := FBorderColor;
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Canvas.Stroke.Thickness := FBorderWidth;
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Canvas.Stroke.Thickness := FBorderWidth;
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// Use DrawRoundRect to support both sharp and rounded corners
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// Use DrawRoundRect to support both sharp and rounded corners
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Canvas.DrawRect(LRect, FBorderRadius, FBorderRadius, AllCorners, 1.0, TCornerType.Round);
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Canvas.DrawRect(rect, FBorderRadius, FBorderRadius, AllCorners, 1.0, TCornerType.Round);
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end;
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end;
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// Draw the title
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// Draw the title
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if not FTitle.IsEmpty then
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if not FTitle.IsEmpty then
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begin
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begin
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// Define the rectangle for the title at the top of the control
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// Define the rectangle for the title at the top of the control
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LTitleRect := TRectF.Create(0, FBorderWidth, Width, FBorderWidth + FTitleFont.Size * 1.8);
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titleRect := TRectF.Create(0, FBorderWidth, Width, FBorderWidth + FTitleFont.Size * 1.8);
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Canvas.Font.Assign(FTitleFont);
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Canvas.Font.Assign(FTitleFont);
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Canvas.Fill.Color := FTitleFontColor;
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Canvas.Fill.Color := FTitleFontColor;
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// Draw the text centered horizontally and vertically within the title rectangle
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// Draw the text centered horizontally and vertically within the title rectangle
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Canvas.FillText(LTitleRect, FTitle, False, 1.0, [], TTextAlign.Center, TTextAlign.Center);
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Canvas.FillText(titleRect, FTitle, False, 1.0, [], TTextAlign.Center, TTextAlign.Center);
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end;
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end;
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end;
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end;
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procedure TAuraNode.MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single);
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procedure TAuraNode.MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single);
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begin
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begin
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inherited;
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inherited;
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if (Button = TMouseButton.mbLeft) then
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if Button = TMouseButton.mbLeft then
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begin
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begin
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if (ObjectAtPoint(LocalToScreen(TPointF.Create(X, Y))) = Self as IControl) then
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if ObjectAtPoint(LocalToScreen(TPointF.Create(X, Y))) = Self as IControl then
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begin
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begin
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FIsDragging := True;
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FIsDragging := True;
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FDownPos := TPointF.Create(X, Y);
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FDownPos := TPointF.Create(X, Y);
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