From b4438b2fbe895694be98e6e8426103deefc51448 Mon Sep 17 00:00:00 2001 From: Jedidiah Barber Date: Tue, 21 Jan 2025 21:04:54 +1300 Subject: Split public API and private implementation files into different directories --- body/fltk-widgets-valuators.adb | 479 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 479 insertions(+) create mode 100644 body/fltk-widgets-valuators.adb (limited to 'body/fltk-widgets-valuators.adb') diff --git a/body/fltk-widgets-valuators.adb b/body/fltk-widgets-valuators.adb new file mode 100644 index 0000000..4b8db3f --- /dev/null +++ b/body/fltk-widgets-valuators.adb @@ -0,0 +1,479 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + Ada.Assertions, + FLTK.Widgets.Groups, + Interfaces.C.Strings, + System.Address_To_Access_Conversions; + + +package body FLTK.Widgets.Valuators is + + + package Chk renames Ada.Assertions; + + package Valuator_Convert is new System.Address_To_Access_Conversions (Valuator'Class); + + + + + ------------------------ + -- Functions From C -- + ------------------------ + + function new_fl_valuator + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_valuator, "new_fl_valuator"); + pragma Inline (new_fl_valuator); + + procedure free_fl_valuator + (V : in Storage.Integer_Address); + pragma Import (C, free_fl_valuator, "free_fl_valuator"); + pragma Inline (free_fl_valuator); + + + + + function fl_valuator_format + (V : in Storage.Integer_Address; + B : out Interfaces.C.char_array) + return Interfaces.C.int; + pragma Import (C, fl_valuator_format, "fl_valuator_format"); + pragma Inline (fl_valuator_format); + + + + + function fl_valuator_clamp + (V : in Storage.Integer_Address; + D : in Interfaces.C.double) + return Interfaces.C.double; + pragma Import (C, fl_valuator_clamp, "fl_valuator_clamp"); + pragma Inline (fl_valuator_clamp); + + function fl_valuator_round + (V : in Storage.Integer_Address; + D : in Interfaces.C.double) + return Interfaces.C.double; + pragma Import (C, fl_valuator_round, "fl_valuator_round"); + pragma Inline (fl_valuator_round); + + function fl_valuator_increment + (V : in Storage.Integer_Address; + D : in Interfaces.C.double; + S : in Interfaces.C.int) + return Interfaces.C.double; + pragma Import (C, fl_valuator_increment, "fl_valuator_increment"); + pragma Inline (fl_valuator_increment); + + + + + function fl_valuator_get_minimum + (V : in Storage.Integer_Address) + return Interfaces.C.double; + pragma Import (C, fl_valuator_get_minimum, "fl_valuator_get_minimum"); + pragma Inline (fl_valuator_get_minimum); + + procedure fl_valuator_set_minimum + (V : in Storage.Integer_Address; + D : in Interfaces.C.double); + pragma Import (C, fl_valuator_set_minimum, "fl_valuator_set_minimum"); + pragma Inline (fl_valuator_set_minimum); + + function fl_valuator_get_maximum + (V : in Storage.Integer_Address) + return Interfaces.C.double; + pragma Import (C, fl_valuator_get_maximum, "fl_valuator_get_maximum"); + pragma Inline (fl_valuator_get_maximum); + + procedure fl_valuator_set_maximum + (V : in Storage.Integer_Address; + D : in Interfaces.C.double); + pragma Import (C, fl_valuator_set_maximum, "fl_valuator_set_maximum"); + pragma Inline (fl_valuator_set_maximum); + + function fl_valuator_get_step + (V : in Storage.Integer_Address) + return Interfaces.C.double; + pragma Import (C, fl_valuator_get_step, "fl_valuator_get_step"); + pragma Inline (fl_valuator_get_step); + + procedure fl_valuator_set_step_top + (V : in Storage.Integer_Address; + T : in Interfaces.C.double); + pragma Import (C, fl_valuator_set_step_top, "fl_valuator_set_step_top"); + pragma Inline (fl_valuator_set_step_top); + + procedure fl_valuator_set_step_bottom + (V : in Storage.Integer_Address; + B : in Interfaces.C.int); + pragma Import (C, fl_valuator_set_step_bottom, "fl_valuator_set_step_bottom"); + pragma Inline (fl_valuator_set_step_bottom); + + procedure fl_valuator_set_step + (V : in Storage.Integer_Address; + T : in Interfaces.C.double; + B : in Interfaces.C.int); + pragma Import (C, fl_valuator_set_step, "fl_valuator_set_step"); + pragma Inline (fl_valuator_set_step); + + function fl_valuator_get_value + (V : in Storage.Integer_Address) + return Interfaces.C.double; + pragma Import (C, fl_valuator_get_value, "fl_valuator_get_value"); + pragma Inline (fl_valuator_get_value); + + procedure fl_valuator_set_value + (V : in Storage.Integer_Address; + D : in Interfaces.C.double); + pragma Import (C, fl_valuator_set_value, "fl_valuator_set_value"); + pragma Inline (fl_valuator_set_value); + + procedure fl_valuator_bounds + (V : in Storage.Integer_Address; + A, B : in Interfaces.C.double); + pragma Import (C, fl_valuator_bounds, "fl_valuator_bounds"); + pragma Inline (fl_valuator_bounds); + + procedure fl_valuator_precision + (V : in Storage.Integer_Address; + D : in Interfaces.C.int); + pragma Import (C, fl_valuator_precision, "fl_valuator_precision"); + pragma Inline (fl_valuator_precision); + + procedure fl_valuator_range + (V : in Storage.Integer_Address; + A, B : in Interfaces.C.double); + pragma Import (C, fl_valuator_range, "fl_valuator_range"); + pragma Inline (fl_valuator_range); + + + + + procedure fl_valuator_value_damage + (V : in Storage.Integer_Address); + pragma Import (C, fl_valuator_value_damage, "fl_valuator_value_damage"); + pragma Inline (fl_valuator_value_damage); + + procedure fl_valuator_draw + (V : in Storage.Integer_Address); + pragma Import (C, fl_valuator_draw, "fl_valuator_draw"); + pragma Inline (fl_valuator_draw); + + function fl_valuator_handle + (V : in Storage.Integer_Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_valuator_handle, "fl_valuator_handle"); + pragma Inline (fl_valuator_handle); + + + + + ---------------------- + -- Callback Hooks -- + ---------------------- + + function Valuator_Format_Hook + (Userdata : in Storage.Integer_Address; + Buffer : in Interfaces.C.Strings.chars_ptr) + return Interfaces.C.int; + pragma Export (C, Valuator_Format_Hook, "valuator_format_hook"); + + function Valuator_Format_Hook + (Userdata : in Storage.Integer_Address; + Buffer : in Interfaces.C.Strings.chars_ptr) + return Interfaces.C.int + is + Ada_Obj : access Valuator'Class; + begin + pragma Assert (Userdata /= Null_Pointer); + Ada_Obj := Valuator_Convert.To_Pointer (Storage.To_Address (Userdata)); + declare + String_Result : String := Ada_Obj.Format; + begin + if String_Result'Length <= FLTK.Buffer_Size then + Interfaces.C.Strings.Update (Buffer, 0, String_Result); + return String_Result'Length; + else + Interfaces.C.Strings.Update (Buffer, 0, String_Result (1 .. Buffer_Size)); + return Interfaces.C.int (FLTK.Buffer_Size); + end if; + end; + exception + when Chk.Assertion_Error => raise Internal_FLTK_Error with + "Valuator::format callback hook was passed null userdata wrapper reference pointer"; + end Valuator_Format_Hook; + + + + + ------------------- + -- Destructors -- + ------------------- + + procedure Extra_Final + (This : in out Valuator) is + begin + Extra_Final (Widget (This)); + end Extra_Final; + + + procedure Finalize + (This : in out Valuator) is + begin + Extra_Final (This); + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_valuator (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + procedure Extra_Init + (This : in out Valuator; + X, Y, W, H : in Integer; + Text : in String) is + begin + Extra_Init (Widget (This), X, Y, W, H, Text); + end Extra_Init; + + + procedure Initialize + (This : in out Valuator) is + begin + This.Draw_Ptr := fl_valuator_draw'Address; + This.Handle_Ptr := fl_valuator_handle'Address; + end Initialize; + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return Valuator is + begin + return This : Valuator do + This.Void_Ptr := new_fl_valuator + (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; + + + function Create + (Parent : in out FLTK.Widgets.Groups.Group'Class; + X, Y, W, H : in Integer; + Text : in String := "") + return Valuator is + begin + return This : Valuator := Create (X, Y, W, H, Text) do + Parent.Add (This); + end return; + end Create; + + end Forge; + + + + + ----------------------- + -- API Subprograms -- + ----------------------- + + function Format + (This : in Valuator) + return String + is + Buffer : Interfaces.C.char_array := + (1 .. Interfaces.C.size_t (FLTK.Buffer_Size) => Interfaces.C.To_C (Character'Val (0))); + Result : Interfaces.C.int := fl_valuator_format (This.Void_Ptr, Buffer); + begin + return Interfaces.C.To_Ada (Buffer (1 .. Interfaces.C.size_t (Result)), False); + end Format; + + + + + function Clamp + (This : in Valuator; + Input : in Long_Float) + return Long_Float is + begin + return Long_Float (fl_valuator_clamp (This.Void_Ptr, Interfaces.C.double (Input))); + end Clamp; + + + function Round + (This : in Valuator; + Input : in Long_Float) + return Long_Float is + begin + return Long_Float (fl_valuator_round (This.Void_Ptr, Interfaces.C.double (Input))); + end Round; + + + function Increment + (This : in Valuator; + Input : in Long_Float; + Step : in Integer) + return Long_Float is + begin + return Long_Float (fl_valuator_increment + (This.Void_Ptr, + Interfaces.C.double (Input), + Interfaces.C.int (Step))); + end Increment; + + + + + function Get_Minimum + (This : in Valuator) + return Long_Float is + begin + return Long_Float (fl_valuator_get_minimum (This.Void_Ptr)); + end Get_Minimum; + + + procedure Set_Minimum + (This : in out Valuator; + To : in Long_Float) is + begin + fl_valuator_set_minimum (This.Void_Ptr, Interfaces.C.double (To)); + end Set_Minimum; + + + function Get_Maximum + (This : in Valuator) + return Long_Float is + begin + return Long_Float (fl_valuator_get_maximum (This.Void_Ptr)); + end Get_Maximum; + + + procedure Set_Maximum + (This : in out Valuator; + To : in Long_Float) is + begin + fl_valuator_set_maximum (This.Void_Ptr, Interfaces.C.double (To)); + end Set_Maximum; + + + function Get_Step + (This : in Valuator) + return Long_Float is + begin + return Long_Float (fl_valuator_get_step (This.Void_Ptr)); + end Get_Step; + + + procedure Set_Step_Top + (This : in out Valuator; + To : in Long_Float) is + begin + fl_valuator_set_step_top + (This.Void_Ptr, + Interfaces.C.double (To)); + end Set_Step_Top; + + + procedure Set_Step_Bottom + (This : in out Valuator; + To : in Integer) is + begin + fl_valuator_set_step_bottom + (This.Void_Ptr, + Interfaces.C.int (To)); + end Set_Step_Bottom; + + + procedure Set_Step + (This : in out Valuator; + Top : in Long_Float; + Bottom : in Integer) is + begin + fl_valuator_set_step + (This.Void_Ptr, + Interfaces.C.double (Top), + Interfaces.C.int (Bottom)); + end Set_Step; + + + function Get_Value + (This : in Valuator) + return Long_Float is + begin + return Long_Float (fl_valuator_get_value (This.Void_Ptr)); + end Get_Value; + + + procedure Set_Value + (This : in out Valuator; + To : in Long_Float) is + begin + fl_valuator_set_value (This.Void_Ptr, Interfaces.C.double (To)); + end Set_Value; + + + procedure Set_Bounds + (This : in out Valuator; + Min, Max : in Long_Float) is + begin + fl_valuator_bounds + (This.Void_Ptr, + Interfaces.C.double (Min), + Interfaces.C.double (Max)); + end Set_Bounds; + + + procedure Set_Precision + (This : in out Valuator; + To : in Integer) is + begin + fl_valuator_precision (This.Void_Ptr, Interfaces.C.int (To)); + end Set_Precision; + + + procedure Set_Range + (This : in out Valuator; + Min, Max : in Long_Float) is + begin + fl_valuator_range + (This.Void_Ptr, + Interfaces.C.double (Min), + Interfaces.C.double (Max)); + end Set_Range; + + + + + procedure Value_Damage + (This : in out Valuator) is + begin + fl_valuator_value_damage (This.Void_Ptr); + end Value_Damage; + + +end FLTK.Widgets.Valuators; + + -- cgit