1 files changed, 101 insertions, 0 deletions
diff --git a/src/menu/UMenuButtonCollection.pas b/src/menu/UMenuButtonCollection.pas
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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 UMenuButtonCollection;
+
+interface
+
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+  UMenuButton;
+
+type
+  //----------------
+  //TButtonCollection
+  //No Extra Attributes or Functions ATM
+  //----------------
+  AButton = array of TButton;
+  PAButton = ^AButton;
+  TButtonCollection = class(TButton)
+    //num of the First Button, that can be Selected
+    FirstChild: byte;
+    CountChilds: byte;
+    
+    ScreenButton: PAButton;
+
+    procedure SetSelect(Value : boolean); override;
+    procedure Draw; override;
+  end;
+
+implementation
+
+procedure TButtonCollection.SetSelect(Value : boolean);
+var
+  Index: integer;
+begin
+  inherited;
+
+  //Set Visible for Every Button that is a Child of this ButtonCollection
+  if (not Fade) then
+    for Index := 0 to High(ScreenButton^) do
+      if (ScreenButton^[Index].Parent = Parent) then
+        ScreenButton^[Index].Visible := Value;
+end;
+
+procedure TButtonCollection.Draw;
+var
+  I, J: integer;
+begin
+  inherited;
+  //If fading is activated, Fade Child Buttons
+  if (Fade) then
+  begin
+    for I := 0 to High(ScreenButton^) do
+      if (ScreenButton^[I].Parent = Parent) then
+      begin
+        if (FadeProgress < 0.5) then
+        begin
+          ScreenButton^[I].Visible := SelectBool;
+
+          for J := 0 to High(ScreenButton^[I].Text) do
+            ScreenButton^[I].Text[J].Visible := SelectBool;
+        end
+        else
+        begin
+          ScreenButton^[I].Texture.Alpha := (FadeProgress-0.666)*3;
+          
+          for J := 0 to High(ScreenButton^[I].Text) do
+            ScreenButton^[I].Text[J].Alpha := (FadeProgress-0.666)*3;
+        end;
+      end;
+  end;
+end;
+
+end.