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-rw-r--r--src/menu/UMenuSelectSlide.pas355
1 files changed, 355 insertions, 0 deletions
diff --git a/src/menu/UMenuSelectSlide.pas b/src/menu/UMenuSelectSlide.pas
new file mode 100644
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+++ b/src/menu/UMenuSelectSlide.pas
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+unit UMenuSelectSlide;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses TextGL,
+ UTexture,
+ gl,
+ UMenuText;
+
+type
+ PSelectSlide = ^TSelectSlide;
+ TSelectSlide = class
+ private
+ SelectBool: boolean;
+ public
+ // objects
+ Text: TText; // Main text describing option
+ TextOpt: array of TText; // 3 texts in the position of possible options
+ TextOptT: array of string; // array of names for possible options
+
+ Texture: TTexture; // Select Texture
+ TextureSBG: TTexture; // Background Selections Texture
+// TextureS: array of TTexture; // Selections Texture (not used)
+
+// TextureArrowL: TTexture; // Texture for left arrow (not used yet)
+// TextureArrowR: TTexture; // Texture for right arrow (not used yet)
+
+ SelectOptInt: integer;
+ PData: ^integer;
+
+ //For automatically Setting LineCount
+ Lines: Byte;
+
+ //Visibility
+ Visible: Boolean;
+
+ // for selection and deselection
+ // main static
+ ColR: real;
+ ColG: real;
+ ColB: real;
+ Int: real;
+ DColR: real;
+ DColG: real;
+ DColB: real;
+ DInt: real;
+
+ // main text
+ TColR: real;
+ TColG: real;
+ TColB: real;
+ TInt: real;
+ TDColR: real;
+ TDColG: real;
+ TDColB: real;
+ TDInt: real;
+
+ // selection background static
+ SBGColR: real;
+ SBGColG: real;
+ SBGColB: real;
+ SBGInt: real;
+ SBGDColR: real;
+ SBGDColG: real;
+ SBGDColB: real;
+ SBGDInt: real;
+
+ // selection text
+ STColR: real;
+ STColG: real;
+ STColB: real;
+ STInt: real;
+ STDColR: real;
+ STDColG: real;
+ STDColB: real;
+ STDInt: real;
+
+ // position and size
+ property X: real read Texture.x write Texture.x;
+ property Y: real read Texture.y write Texture.y;
+ property W: real read Texture.w write Texture.w;
+ property H: real read Texture.h write Texture.h;
+// property X2: real read Texture2.x write Texture2.x;
+// property Y2: real read Texture2.y write Texture2.y;
+// property W2: real read Texture2.w write Texture2.w;
+// property H2: real read Texture2.h write Texture2.h;
+
+ property SBGW: real read TextureSBG.w write TextureSBG.w;
+
+ // procedures
+ procedure SetSelect(Value: boolean);
+ property Selected: Boolean read SelectBool write SetSelect;
+ procedure SetSelectOpt(Value: integer);
+ property SelectedOption: integer read SelectOptInt write SetSelectOpt;
+ procedure Draw;
+ constructor Create;
+
+ //Automatically Generate Lines (Texts)
+ procedure genLines;
+ end;
+
+implementation
+uses UDrawTexture, math, ULog, SysUtils;
+
+// ------------ Select
+constructor TSelectSlide.Create;
+begin
+ inherited Create;
+ Text := TText.Create;
+ SetLength(TextOpt, 1);
+ TextOpt[0] := TText.Create;
+
+ //Set Standard Width for Selections Background
+ SBGW := 450;
+
+ Visible := True;
+ {SetLength(TextOpt, 3);
+ TextOpt[0] := TText.Create;
+ TextOpt[1] := TText.Create;
+ TextOpt[2] := TText.Create;}
+end;
+
+procedure TSelectSlide.SetSelect(Value: boolean);
+{var
+ SO: integer;
+ I: integer;}
+begin
+ SelectBool := Value;
+ if Value then begin
+ Texture.ColR := ColR;
+ Texture.ColG := ColG;
+ Texture.ColB := ColB;
+ Texture.Int := Int;
+
+ Text.ColR := TColR;
+ Text.ColG := TColG;
+ Text.ColB := TColB;
+ Text.Int := TInt;
+
+ TextureSBG.ColR := SBGColR;
+ TextureSBG.ColG := SBGColG;
+ TextureSBG.ColB := SBGColB;
+ TextureSBG.Int := SBGInt;
+
+{ for I := 0 to High(TextOpt) do begin
+ TextOpt[I].ColR := STColR;
+ TextOpt[I].ColG := STColG;
+ TextOpt[I].ColB := STColB;
+ TextOpt[I].Int := STInt;
+ end;}
+
+ end else begin
+ Texture.ColR := DColR;
+ Texture.ColG := DColG;
+ Texture.ColB := DColB;
+ Texture.Int := DInt;
+
+ Text.ColR := TDColR;
+ Text.ColG := TDColG;
+ Text.ColB := TDColB;
+ Text.Int := TDInt;
+
+ TextureSBG.ColR := SBGDColR;
+ TextureSBG.ColG := SBGDColG;
+ TextureSBG.ColB := SBGDColB;
+ TextureSBG.Int := SBGDInt;
+
+{ for I := 0 to High(TextOpt) do begin
+ TextOpt[I].ColR := STDColR;
+ TextOpt[I].ColG := STDColG;
+ TextOpt[I].ColB := STDColB;
+ TextOpt[I].Int := STDInt;
+ end;}
+ end;
+end;
+
+procedure TSelectSlide.SetSelectOpt(Value: integer);
+var
+ SO: integer;
+ Sel: integer;
+ HalfL: integer;
+ HalfR: integer;
+
+procedure DoSelection(Sel: Cardinal);
+ var I: Integer;
+ begin
+ for I := low(TextOpt) to high(TextOpt) do
+ begin
+ TextOpt[I].ColR := STDColR;
+ TextOpt[I].ColG := STDColG;
+ TextOpt[I].ColB := STDColB;
+ TextOpt[I].Int := STDInt;
+ end;
+ if (integer(Sel) <= high(TextOpt)) then
+ begin
+ TextOpt[Sel].ColR := STColR;
+ TextOpt[Sel].ColG := STColG;
+ TextOpt[Sel].ColB := STColB;
+ TextOpt[Sel].Int := STInt;
+ end;
+ end;
+begin
+ SelectOptInt := Value;
+ PData^ := Value;
+// SetSelect(true); // reset all colors
+
+ if (Length(TextOpt)>0) AND (Length(TextOptT)>0) then
+ begin
+
+ if (Value <= 0) then
+ begin //First Option Selected
+ Value := 0;
+
+ for SO := low (TextOpt) to high(TextOpt) do
+ begin
+ TextOpt[SO].Text := TextOptT[SO];
+ end;
+
+ DoSelection(0);
+ end
+ else if (Value >= high(TextOptT)) then
+ begin //Last Option Selected
+ Value := high(TextOptT);
+
+ for SO := high(TextOpt) downto low (TextOpt) do
+ begin
+ TextOpt[SO].Text := TextOptT[high(TextOptT)-(Lines-SO-1)];
+ end;
+ DoSelection(Lines-1);
+ end
+ else
+ begin
+ HalfL := Ceil((Lines-1)/2);
+ HalfR := Lines-1-HalfL;
+
+ if (Value <= HalfL) then
+ begin //Selected Option is near to the left side
+ {HalfL := Value;
+ HalfR := Lines-1-HalfL;}
+ //Change Texts
+ for SO := low (TextOpt) to high(TextOpt) do
+ begin
+ TextOpt[SO].Text := TextOptT[SO];
+ end;
+
+ DoSelection(Value);
+ end
+ else if (Value > High(TextOptT)-HalfR) then
+ begin //Selected is too near to the right border
+ HalfR := high(TextOptT) - Value;
+ HalfL := Lines-1-HalfR;
+ //Change Texts
+ for SO := high(TextOpt) downto low (TextOpt) do
+ begin
+ TextOpt[SO].Text := TextOptT[high(TextOptT)-(Lines-SO-1)];
+ end;
+
+ DoSelection (HalfL);
+ end
+ else
+ begin
+ //Change Texts
+ for SO := low (TextOpt) to high(TextOpt) do
+ begin
+ TextOpt[SO].Text := TextOptT[Value - HalfL + SO];
+ end;
+
+ DoSelection(HalfL);
+ end;
+
+ end;
+
+ end;
+
+end;
+
+procedure TSelectSlide.Draw;
+var
+ SO: integer;
+begin
+ if Visible then
+ begin
+ DrawTexture(Texture);
+ DrawTexture(TextureSBG);
+
+ Text.Draw;
+
+ for SO := low(TextOpt) to high(TextOpt) do
+ TextOpt[SO].Draw;
+ end;
+end;
+
+procedure TSelectSlide.GenLines;
+var
+maxlength: Real;
+I: Integer;
+begin
+ SetFontStyle(0{Text.Style});
+ SetFontSize(Text.Size);
+ maxlength := 0;
+
+ for I := low(TextOptT) to high (TextOptT) do
+ begin
+ if (glTextWidth(PChar(TextOptT[I])) > maxlength) then
+ maxlength := glTextWidth(PChar(TextOptT[I]));
+ end;
+
+ Lines := floor((TextureSBG.W-40) / (maxlength+7));
+ if (Lines > Length(TextOptT)) then
+ Lines := Length(TextOptT);
+
+ if (Lines <= 0) then
+ Lines := 1;
+
+ //Free old Space used by Texts
+ For I := low(TextOpt) to high(TextOpt) do
+ TextOpt[I].Free;
+
+ setLength (TextOpt, Lines);
+
+ for I := low(TextOpt) to high(TextOpt) do
+ begin
+ TextOpt[I] := TText.Create;
+ TextOpt[I].Size := Text.Size;
+ //TextOpt[I].Align := 1;
+ TextOpt[I].Align := 0;
+ TextOpt[I].Visible := True;
+
+ TextOpt[I].ColR := STDColR;
+ TextOpt[I].ColG := STDColG;
+ TextOpt[I].ColB := STDColB;
+ TextOpt[I].Int := STDInt;
+
+ //Generate Positions
+ //TextOpt[I].X := TextureSBG.X + 20 + (TextureSBG.W / Lines) * (I + 0.5);
+ if (I <> High(TextOpt)) OR (High(TextOpt) = 0) OR (Length(TextOptT) = Lines) then
+ TextOpt[I].X := TextureSBG.X + 20 + (TextureSBG.W / Lines) * I
+ else
+ TextOpt[I].X := TextureSBG.X + TextureSBG.W - maxlength;
+
+ TextOpt[I].Y := TextureSBG.Y + (TextureSBG.H / 2) - 1.5 * Text.Size{20};
+
+ //Better Look with 2 Options
+ if (Lines=2) AND (Length(TextOptT)= 2) then
+ TextOpt[I].X := TextureSBG.X + 20 + (TextureSBG.W -40 - glTextWidth(PChar(TextOptT[1]))) * I;
+ end;
+end;
+
+end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 07:59:05 +0000