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with
FLTK.Screen,
FLTK.Event,
Misc;
package body Displays is
package WD renames FLTK.Widgets.Groups.Windows.Double;
package B renames FLTK.Widgets.Boxes;
function Create
(X, Y, W, H : in Integer;
Text : in String)
return Display
is
My_Width : Integer := Misc.Max (Message_Box_Width, W);
My_Height : Integer := Misc.Max (Message_Box_Height + Stat_Box_Height, H);
begin
return This : Display :=
(WD.Double_Window'(WD.Forge.Create (X, Y, My_Width, My_Height, Text)) with
Message_Box => B.Box'(B.Forge.Create
(0, 0, Message_Box_Width, Message_Box_Height, "")),
Level_Box => B.Box'(B.Forge.Create
(0, Message_Box_Height, Stat_Box_Width, Stat_Box_Height, "")),
Move_Box => B.Box'(B.Forge.Create
(Stat_Box_Width, Message_Box_Height, Stat_Box_Width, Stat_Box_Height, "")),
Current_Grid => null,
Key_Func => null,
Mouse_Func => null) do
This.Add (This.Message_Box);
This.Add (This.Level_Box);
This.Add (This.Move_Box);
This.Message_Box.Set_Label_Size (Text_Size);
This.Level_Box.Set_Label_Size (Text_Size);
This.Move_Box.Set_Label_Size (Text_Size);
This.Set_Icon (Logo);
end return;
end Create;
function Create
(W, H : in Integer)
return Display is
begin
return Create (0, 0, W, H, "Sokoban");
end Create;
function Create
return Display is
begin
return Create (0, 0, Message_Box_Width, Message_Box_Height, "Sokoban");
end Create;
procedure Set_Grid
(This : in out Display;
To : in out Grids.Grid) is
begin
if This.Current_Grid /= null then
This.Remove (This.Current_Grid.all);
end if;
This.Current_Grid := To'Unchecked_Access;
This.Add (To);
This.Ensure_Correct_Size;
end Set_Grid;
procedure Adjust_Grid
(This : in out Display;
Cols, Rows : in Natural) is
begin
This.Current_Grid.Set_Cols (Cols);
This.Current_Grid.Set_Rows (Rows);
This.Ensure_Correct_Size;
end Adjust_Grid;
procedure Ensure_Correct_Size
(This : in out Display)
is
New_Width : Integer :=
Misc.Max (Message_Box_Width, This.Current_Grid.Get_W);
New_Height : Integer :=
Message_Box_Height + This.Current_Grid.Get_H + Stat_Box_Height;
Grid_X : Integer :=
Misc.Max (0, (Message_Box_Width - This.Current_Grid.Get_W) / 2);
begin
This.Current_Grid.Reposition (Grid_X, 0);
This.Message_Box.Resize (New_Width, This.Message_Box.Get_H);
This.Message_Box.Reposition (This.Message_Box.Get_X, This.Current_Grid.Get_H);
This.Level_Box.Resize (New_Width / 2, This.Level_Box.Get_H);
This.Level_Box.Reposition (0, New_Height - Stat_Box_Height);
This.Move_Box.Resize (New_Width / 2, This.Move_Box.Get_H);
This.Move_Box.Reposition (New_Width / 2, New_Height - Stat_Box_Height);
This.Resize (New_Width, New_Height);
end Ensure_Correct_Size;
procedure Centre_On_Screen
(This : in out Display)
is
use FLTK.Screen;
begin
This.Reposition
(Get_X + (Get_W - This.Get_W) / 2,
Get_Y + (Get_H - This.Get_H) / 2);
end Centre_On_Screen;
procedure Set_Message
(This : in out Display;
Msg : in String) is
begin
This.Message_Box.Set_Label (Msg);
end Set_Message;
procedure Set_Level_Number
(This : in out Display;
To : in Natural) is
begin
This.Level_Box.Set_Label ("Level:" & Natural'Image (To));
end Set_Level_Number;
procedure Set_Move_Number
(This : in out Display;
To : in Natural) is
begin
This.Move_Box.Set_Label ("Moves:" & Natural'Image (To));
end Set_Move_Number;
procedure Set_Keyboard_Callback
(This : in out Display;
Func : in Keyboard_Callback) is
begin
This.Key_Func := Func;
end Set_Keyboard_Callback;
procedure Set_Mouse_Callback
(This : in out Display;
Func : in Mouse_Callback) is
begin
This.Mouse_Func := Func;
end Set_Mouse_Callback;
function Handle
(This : in out Display;
Event : in FLTK.Event_Kind)
return FLTK.Event_Outcome
is
use type FLTK.Event_Kind, FLTK.Event_Outcome;
begin
if This.Key_Func /= null and then Event = FLTK.Keydown and then
This.Key_Func (FLTK.Press (FLTK.Event.Last_Key)) = FLTK.Handled
then
return FLTK.Handled;
elsif This.Mouse_Func /= null and then Event = FLTK.Release and then
This.Mouse_Func (FLTK.Event.Mouse_X, FLTK.Event.Mouse_Y) = FLTK.Handled
then
return FLTK.Handled;
else
return WD.Double_Window (This).Handle (Event);
end if;
end Handle;
end Displays;
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