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+{* UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *}
+
+unit UMenuSelectSlide;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+ gl,
+ TextGL,
+ UMenuText,
+ UTexture,
+ UMenuInteract;
+
+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 UTF8String; // array of names for possible options
+
+ Texture: TTexture; // Select Texture
+ TextureSBG: TTexture; // Background Selections Texture
+// TextureS: array of TTexture; // Selections Texture (not used)
+
+ Tex_SelectS_ArrowL: TTexture; // Texture for left arrow
+ Tex_SelectS_ArrowR: TTexture; // Texture for right arrow
+
+ SelectOptInt: integer;
+ PData: ^integer;
+
+ //For automatically Setting LineCount
+ Lines: byte;
+
+ //Arrows on/off
+ showArrows: boolean; //default is false
+
+ //whether to show one item or all that fit into the select
+ oneItemOnly: boolean; //default is false
+
+ //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;
+
+ function GetMouseOverArea: TMouseOverRect;
+ function OnClick(X, Y: Real): TMouseClickAction;
+ end;
+
+implementation
+
+uses
+ math,
+ SysUtils,
+ UDrawTexture,
+ ULog;
+
+// ------------ Select
+constructor TSelectSlide.Create;
+begin
+ inherited Create;
+ Text := TText.Create;
+ SetLength(TextOpt, 1);
+ TextOpt[0] := TText.Create;
+ Visible := true;
+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;
+ 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;
+ end;
+end;
+
+procedure TSelectSlide.SetSelectOpt(Value: integer);
+var
+ SO: 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;
+
+ if (Length(TextOpt) > 0) and (Length(TextOptT) > 0) then
+ begin
+
+ //First option selected
+ if (Value <= 0) then
+ begin
+ Value := 0;
+
+ Tex_SelectS_ArrowL.alpha := 0;
+ Tex_SelectS_ArrowR.alpha := 1;
+
+ for SO := Low(TextOpt) to High(TextOpt) do
+ begin
+ TextOpt[SO].Text := TextOptT[SO];
+ end;
+
+ DoSelection(0);
+ end
+
+ //Last option selected
+ else if (Value >= High(TextOptT)) then
+ begin
+ Value := High(TextOptT);
+
+ Tex_SelectS_ArrowL.alpha := 1;
+ Tex_SelectS_ArrowR.alpha := 0;
+
+ for SO := High(TextOpt) downto Low(TextOpt) do
+ begin
+ TextOpt[SO].Text := TextOptT[High(TextOptT) - (Lines - SO - 1)];
+ end;
+ DoSelection(Lines - 1);
+ end
+
+ //in between first and last
+ else
+ begin
+ Tex_SelectS_ArrowL.alpha := 1;
+ Tex_SelectS_ArrowR.alpha := 1;
+
+ HalfL := Ceil((Lines - 1) / 2);
+ HalfR := Lines - 1 - HalfL;
+
+ //Selected option is near to the left side
+ if (Value <= HalfL) then
+ begin
+ //Change texts
+ for SO := Low(TextOpt) to High(TextOpt) do
+ begin
+ TextOpt[SO].Text := TextOptT[SO];
+ end;
+
+ DoSelection(Value);
+ end
+
+ //Selected option is near to the right side
+ else if (Value > High(TextOptT) - HalfR) then
+ begin
+ 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);
+
+ if showArrows then
+ begin
+ DrawTexture(Tex_SelectS_ArrowL);
+ DrawTexture(Tex_SelectS_ArrowR);
+ end;
+
+ 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(TextOptT[I]) > maxlength) then
+ maxlength := glTextWidth(TextOptT[I]);
+ end;
+
+
+ if (oneItemOnly = false) then
+ begin
+ //show all items
+ Lines := floor((TextureSBG.W-40) / (maxlength+7));
+ if (Lines > Length(TextOptT)) then
+ Lines := Length(TextOptT);
+
+ if (Lines <= 0) then
+ Lines := 1;
+ end
+ else
+ begin
+ //show one item only
+ Lines := 1;
+ end;
+
+ //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 - Text.Size) / 2;
+
+ //Better Look with 2 Options
+ if (Lines = 2) and (Length(TextOptT) = 2) then
+ TextOpt[I].X := TextureSBG.X + 20 + (TextureSBG.W -40 - glTextWidth(TextOptT[1])) * I;
+
+ if (Lines = 1) then
+ begin
+ TextOpt[I].Align := 1; //center text
+ TextOpt[I].X := TextureSBG.X + (TextureSBG.W / 2);
+ end;
+ end;
+end;
+
+function TSelectSlide.GetMouseOverArea: TMouseOverRect;
+begin
+ Result.X := Texture.X;
+ Result.Y := Texture.Y;
+ Result.W := (TextureSBG.X + TextureSBG.W) - Result.X;
+ Result.H := Max(Texture.H, TextureSBG.H);
+end;
+
+function TSelectSlide.OnClick(X, Y: Real): TMouseClickAction;
+ var
+ AreaW: Real;
+begin
+ // default: press return on click
+ Result := maReturn;
+
+ // use left sides to inc or dec selection by click
+ AreaW := TextureSbg.W / 20;
+
+ if (Y >= TextureSBG.Y) and (Y <= TextureSBG.Y + TextureSBG.H) then
+ begin
+ if (X >= TextureSBG.X) and (X <= TextureSBG.X + AreaW) then
+ Result := maLeft // hit left area
+ else if (X >= TextureSBG.X + TextureSBG.W - AreaW) and (X <= TextureSBG.X + TextureSBG.W) then
+ Result := maRight; // hit right area
+ end;
+end;
+
+end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 07:17:14 +0000