Option screen has two rows of buttons, to select the row beneath press [cursor down] / [cursor up] for the row above

Settings are not saved if you press [escape] (just for the "main" option screen atm)
Long descriptions are used to explain what hides behind a option screen

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1063 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 49 insertions, 2 deletions

diff --git a/Game/Code/Menu/UMenu.pas b/Game/Code/Menu/UMenu.pas
index 0eebeaf6..3cdccb0b 100644
--- a/Game/Code/Menu/UMenu.pas
+++ b/Game/Code/Menu/UMenu.pas
@@ -143,7 +143,8 @@ type
       procedure InteractPrev; virtual;
       procedure InteractInc; virtual;
       procedure InteractDec; virtual;
-
+      procedure InteractNextRow; virtual; // this is for the options screen, so button down makes sense
+      procedure InteractPrevRow; virtual; // this is for the options screen, so button up makes sense
       procedure AddBox(X, Y, W, H: real);
   end;
 
@@ -886,6 +887,53 @@ begin
   end;
 end;
 
+// implemented for the sake of usablility
+// [curser down] picks the button left to the actual atm
+// this behaviour doesn't make sense for two rows of buttons
+procedure TMenu.InteractPrevRow;
+var
+  Int:   Integer;
+begin
+// these two procedures just make sense for at least 5 buttons, because we
+// usually start a second row when there are more than 4 buttons
+  Int := Interaction;
+
+  // change interaction as long as it's needed
+  repeat
+    Int   := int - ceil(Length(Interactions) / 2);
+
+    //If no Interaction is Selectable Simply Select Next
+    if (Int = Interaction) then Break;
+
+  Until IsSelectable(Int);
+
+  //Set Interaction
+  if ((Int < 0) or (Int > Length(Interactions) - 1))
+    then  Int         := Interaction //nonvalid button, keep current one
+    else  Interaction := Int;        //select row above
+end;
+
+procedure TMenu.InteractNextRow;
+var
+  Int:   Integer;
+begin
+  Int := Interaction;
+
+  // change interaction as long as it's needed
+  repeat
+    Int := int + ceil(Length(Interactions) / 2);
+
+    //If no Interaction is Selectable Simply Select Next
+    if (Int = Interaction) then Break;
+
+  Until IsSelectable(Int);
+
+  //Set Interaction
+  if ((Int < 0) or (Int > Length(Interactions) - 1))
+    then  Int         := Interaction //nonvalid button, keep current one
+    else  Interaction := Int;        //select row above
+end;
+
 procedure TMenu.InteractNext;
 var
   Int: Integer;
@@ -905,7 +953,6 @@ begin
   Interaction := Int;
 end;
 
-
 procedure TMenu.InteractPrev;
 var
   Int: Integer;