diff options
Diffstat (limited to 'body/fltk-widgets-valuators-dials.adb')
| -rw-r--r-- | body/fltk-widgets-valuators-dials.adb | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/body/fltk-widgets-valuators-dials.adb b/body/fltk-widgets-valuators-dials.adb new file mode 100644 index 0000000..6dc9e69 --- /dev/null +++ b/body/fltk-widgets-valuators-dials.adb @@ -0,0 +1,319 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + FLTK.Widgets.Groups, + Interfaces.C.Strings; + + +package body FLTK.Widgets.Valuators.Dials is + + + ------------------------ + -- Functions From C -- + ------------------------ + + function new_fl_dial + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_dial, "new_fl_dial"); + pragma Inline (new_fl_dial); + + procedure free_fl_dial + (D : in Storage.Integer_Address); + pragma Import (C, free_fl_dial, "free_fl_dial"); + pragma Inline (free_fl_dial); + + + + + function fl_dial_get_angle1 + (D : in Storage.Integer_Address) + return Interfaces.C.short; + pragma Import (C, fl_dial_get_angle1, "fl_dial_get_angle1"); + pragma Inline (fl_dial_get_angle1); + + procedure fl_dial_set_angle1 + (D : in Storage.Integer_Address; + T : in Interfaces.C.short); + pragma Import (C, fl_dial_set_angle1, "fl_dial_set_angle1"); + pragma Inline (fl_dial_set_angle1); + + function fl_dial_get_angle2 + (D : in Storage.Integer_Address) + return Interfaces.C.short; + pragma Import (C, fl_dial_get_angle2, "fl_dial_get_angle2"); + pragma Inline (fl_dial_get_angle2); + + procedure fl_dial_set_angle2 + (D : in Storage.Integer_Address; + T : in Interfaces.C.short); + pragma Import (C, fl_dial_set_angle2, "fl_dial_set_angle2"); + pragma Inline (fl_dial_set_angle2); + + procedure fl_dial_set_angles + (D : in Storage.Integer_Address; + A, B : in Interfaces.C.short); + pragma Import (C, fl_dial_set_angles, "fl_dial_set_angles"); + pragma Inline (fl_dial_set_angles); + + + + + procedure fl_dial_draw + (W : in Storage.Integer_Address); + pragma Import (C, fl_dial_draw, "fl_dial_draw"); + pragma Inline (fl_dial_draw); + + procedure fl_dial_draw2 + (D : in Storage.Integer_Address; + X, Y, W, H : in Interfaces.C.int); + pragma Import (C, fl_dial_draw2, "fl_dial_draw2"); + pragma Inline (fl_dial_draw2); + + function fl_dial_handle + (W : in Storage.Integer_Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_dial_handle, "fl_dial_handle"); + pragma Inline (fl_dial_handle); + + function fl_dial_handle2 + (D : in Storage.Integer_Address; + E, X, Y, W, H : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_dial_handle2, "fl_dial_handle2"); + pragma Inline (fl_dial_handle2); + + + + + function fl_widget_get_type + (D : in Storage.Integer_Address) + return Interfaces.C.unsigned_char; + pragma Import (C, fl_widget_get_type, "fl_widget_get_type"); + pragma Inline (fl_widget_get_type); + + procedure fl_widget_set_type + (D : in Storage.Integer_Address; + T : in Interfaces.C.unsigned_char); + pragma Import (C, fl_widget_set_type, "fl_widget_set_type"); + pragma Inline (fl_widget_set_type); + + + + + ------------------- + -- Destructors -- + ------------------- + + procedure Extra_Final + (This : in out Dial) is + begin + Extra_Final (Valuator (This)); + end Extra_Final; + + + procedure Finalize + (This : in out Dial) is + begin + Extra_Final (This); + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_dial (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + procedure Extra_Init + (This : in out Dial; + X, Y, W, H : in Integer; + Text : in String) is + begin + Extra_Init (Valuator (This), X, Y, W, H, Text); + end Extra_Init; + + + procedure Initialize + (This : in out Dial) is + begin + This.Draw_Ptr := fl_dial_draw'Address; + This.Handle_Ptr := fl_dial_handle'Address; + end Initialize; + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return Dial is + begin + return This : Dial do + This.Void_Ptr := new_fl_dial + (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 Dial is + begin + return This : Dial := Create (X, Y, W, H, Text) do + Parent.Add (This); + end return; + end Create; + + end Forge; + + + + + ----------------------- + -- API Subprograms -- + ----------------------- + + function Get_First_Angle + (This : in Dial) + return Short_Integer is + begin + return Short_Integer (fl_dial_get_angle1 (This.Void_Ptr)); + end Get_First_Angle; + + + procedure Set_First_Angle + (This : in out Dial; + To : in Short_Integer) is + begin + fl_dial_set_angle1 (This.Void_Ptr, Interfaces.C.short (To)); + end Set_First_Angle; + + + function Get_Second_Angle + (This : in Dial) + return Short_Integer is + begin + return Short_Integer (fl_dial_get_angle2 (This.Void_Ptr)); + end Get_Second_Angle; + + + procedure Set_Second_Angle + (This : in out Dial; + To : in Short_Integer) is + begin + fl_dial_set_angle2 (This.Void_Ptr, Interfaces.C.short (To)); + end Set_Second_Angle; + + + procedure Set_Angles + (This : in out Dial; + One, Two : in Short_Integer) is + begin + fl_dial_set_angles + (This.Void_Ptr, + Interfaces.C.short (One), + Interfaces.C.short (Two)); + end Set_Angles; + + + + + procedure Draw + (This : in out Dial) is + begin + Valuator (This).Draw; + end Draw; + + + procedure Draw + (This : in out Dial; + X, Y, W, H : in Integer) is + begin + fl_dial_draw2 + (This.Void_Ptr, + Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H)); + end Draw; + + + function Handle + (This : in out Dial; + Event : in Event_Kind) + return Event_Outcome is + begin + return Valuator (This).Handle (Event); + end Handle; + + + function Handle + (This : in out Dial; + Event : in Event_Kind; + X, Y, W, H : in Integer) + return Event_Outcome is + begin + return Event_Outcome'Val (fl_dial_handle2 + (This.Void_Ptr, + Event_Kind'Pos (Event), + Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H))); + exception + when Constraint_Error => raise Internal_FLTK_Error; + end Handle; + + + + + function Get_Kind + (This : in Dial) + return Dial_Kind + is + Result : Interfaces.C.unsigned_char := fl_widget_get_type (This.Void_Ptr); + begin + return Dial_Kind'Val (Result); + exception + when Constraint_Error => raise Internal_FLTK_Error with + "Fl_Dial::type returned unexpected unsigned char value of " & + Interfaces.C.unsigned_char'Image (Result); + end Get_Kind; + + + package body Extra is + + procedure Set_Kind + (This : in out Dial; + To : in Dial_Kind) is + begin + fl_widget_set_type (This.Void_Ptr, Dial_Kind'Pos (To)); + end Set_Kind; + + pragma Inline (Set_Kind); + + end Extra; + + +end FLTK.Widgets.Valuators.Dials; + + |