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+
+
+-- Programmed by Jedidiah Barber
+-- Released into the public domain
+
+
+with
+
+ Interfaces.C.Strings;
+
+use type
+
+ Interfaces.C.Strings.chars_ptr;
+
+
+package body FLTK.Widgets.Inputs.Text.Floating_Point is
+
+
+ ------------------------
+ -- Functions From C --
+ ------------------------
+
+ function new_fl_float_input
+ (X, Y, W, H : in Interfaces.C.int;
+ Text : in Interfaces.C.char_array)
+ return Storage.Integer_Address;
+ pragma Import (C, new_fl_float_input, "new_fl_float_input");
+ pragma Inline (new_fl_float_input);
+
+ procedure free_fl_float_input
+ (F : in Storage.Integer_Address);
+ pragma Import (C, free_fl_float_input, "free_fl_float_input");
+ pragma Inline (free_fl_float_input);
+
+
+
+
+ procedure fl_float_input_draw
+ (W : in Storage.Integer_Address);
+ pragma Import (C, fl_float_input_draw, "fl_float_input_draw");
+ pragma Inline (fl_float_input_draw);
+
+ function fl_float_input_handle
+ (W : in Storage.Integer_Address;
+ E : in Interfaces.C.int)
+ return Interfaces.C.int;
+ pragma Import (C, fl_float_input_handle, "fl_float_input_handle");
+ pragma Inline (fl_float_input_handle);
+
+
+
+
+ -------------------
+ -- Destructors --
+ -------------------
+
+ procedure Extra_Final
+ (This : in out Float_Input) is
+ begin
+ Extra_Final (Input (This));
+ end Extra_Final;
+
+
+ procedure Finalize
+ (This : in out Float_Input) is
+ begin
+ Extra_Final (This);
+ if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then
+ free_fl_float_input (This.Void_Ptr);
+ This.Void_Ptr := Null_Pointer;
+ end if;
+ end Finalize;
+
+
+
+
+ --------------------
+ -- Constructors --
+ --------------------
+
+ procedure Extra_Init
+ (This : in out Float_Input;
+ X, Y, W, H : in Integer;
+ Text : in String) is
+ begin
+ Extra_Init (Input (This), X, Y, W, H, Text);
+ end Extra_Init;
+
+
+ procedure Initialize
+ (This : in out Float_Input) is
+ begin
+ This.Draw_Ptr := fl_float_input_draw'Address;
+ This.Handle_Ptr := fl_float_input_handle'Address;
+ end Initialize;
+
+
+ package body Forge is
+
+ function Create
+ (X, Y, W, H : in Integer;
+ Text : in String := "")
+ return Float_Input is
+ begin
+ return This : Float_Input do
+ This.Void_Ptr := new_fl_float_input
+ (Interfaces.C.int (X),
+ Interfaces.C.int (Y),
+ Interfaces.C.int (W),
+ Interfaces.C.int (H),
+ Interfaces.C.To_C (Text));
+ Extra_Init (This, X, Y, W, H, Text);
+ end return;
+ end Create;
+
+ end Forge;
+
+
+
+
+ -----------------------
+ -- API Subprograms --
+ -----------------------
+
+ function Get_Value
+ (This : in Float_Input)
+ return Long_Float
+ is
+ Ptr : Interfaces.C.Strings.chars_ptr := fl_input_get_value (This.Void_Ptr);
+ begin
+ if Ptr = Interfaces.C.Strings.Null_Ptr or else
+ Interfaces.C.Strings.Value (Ptr) = ""
+ then
+ return 0.0;
+ else
+ return Long_Float'Value (Interfaces.C.Strings.Value (Ptr));
+ end if;
+ end Get_Value;
+
+
+end FLTK.Widgets.Inputs.Text.Floating_Point;
+
+