diff options
Diffstat (limited to 'src/fltk-widgets-inputs-text-floating_point.adb')
-rw-r--r-- | src/fltk-widgets-inputs-text-floating_point.adb | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/fltk-widgets-inputs-text-floating_point.adb b/src/fltk-widgets-inputs-text-floating_point.adb new file mode 100644 index 0000000..61ea531 --- /dev/null +++ b/src/fltk-widgets-inputs-text-floating_point.adb @@ -0,0 +1,143 @@ + + +-- 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; + + |