diff options
Diffstat (limited to 'src/fltk-widgets-inputs-float.adb')
-rw-r--r-- | src/fltk-widgets-inputs-float.adb | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/fltk-widgets-inputs-float.adb b/src/fltk-widgets-inputs-float.adb new file mode 100644 index 0000000..2287140 --- /dev/null +++ b/src/fltk-widgets-inputs-float.adb @@ -0,0 +1,111 @@ + + +with Interfaces.C.Strings; +with System; +use type System.Address; + + +package body FLTK.Widgets.Inputs.Float is + + + procedure float_input_set_draw_hook + (W, D : in System.Address); + pragma Import (C, float_input_set_draw_hook, "float_input_set_draw_hook"); + + procedure fl_float_input_draw + (W : in System.Address); + pragma Import (C, fl_float_input_draw, "fl_float_input_draw"); + + function new_fl_float_input + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return System.Address; + pragma Import (C, new_fl_float_input, "new_fl_float_input"); + + procedure free_fl_float_input + (F : in System.Address); + pragma Import (C, free_fl_float_input, "free_fl_float_input"); + + function fl_float_input_get_value + (F : in System.Address) + return Interfaces.C.Strings.chars_ptr; + pragma Import (C, fl_float_input_get_value, "fl_float_input_get_value"); + + + + + procedure Draw_Hook (U : in System.Address); + pragma Convention (C, Draw_Hook); + + procedure Draw_Hook + (U : in System.Address) + is + package Float_Input_Convert is new + System.Address_To_Access_Conversions (Float_Input'Class); + + Ada_Input : access Float_Input'Class := + Float_Input_Convert.To_Pointer (U); + begin + Ada_Input.Draw; + end Draw_Hook; + + + + + procedure Draw + (This : in out Float_Input) is + begin + fl_float_input_draw (This.Void_Ptr); + end Draw; + + + + + procedure Finalize + (This : in out Float_Input) is + begin + if This in Float_Input and then + This.Void_Ptr /= System.Null_Address + then + free_fl_float_input (This.Void_Ptr); + end if; + Finalize (Input (This)); + end Finalize; + + + + + 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)); + fl_widget_set_user_data + (This.Void_Ptr, + Widget_Convert.To_Address (This'Unchecked_Access)); + float_input_set_draw_hook (This.Void_Ptr, Draw_Hook'Address); + end return; + end Create; + + + + + function Get_Value + (This : in Float_Input) + return Standard.Float is + begin + return Standard.Float'Value + (Interfaces.C.Strings.Value + (fl_float_input_get_value (This.Void_Ptr))); + end Get_Value; + + +end FLTK.Widgets.Inputs.Float; + |