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Diffstat (limited to 'body/fltk-widgets-groups-wizards.adb')
| -rw-r--r-- | body/fltk-widgets-groups-wizards.adb | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/body/fltk-widgets-groups-wizards.adb b/body/fltk-widgets-groups-wizards.adb new file mode 100644 index 0000000..eb604a1 --- /dev/null +++ b/body/fltk-widgets-groups-wizards.adb @@ -0,0 +1,219 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + Ada.Assertions, + Interfaces.C; + + +package body FLTK.Widgets.Groups.Wizards is + + + package Chk renames Ada.Assertions; + + + + + ------------------------ + -- Functions From C -- + ------------------------ + + function new_fl_wizard + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_wizard, "new_fl_wizard"); + pragma Inline (new_fl_wizard); + + procedure free_fl_wizard + (S : in Storage.Integer_Address); + pragma Import (C, free_fl_wizard, "free_fl_wizard"); + pragma Inline (free_fl_wizard); + + + + + procedure fl_wizard_next + (W : in Storage.Integer_Address); + pragma Import (C, fl_wizard_next, "fl_wizard_next"); + pragma Inline (fl_wizard_next); + + procedure fl_wizard_prev + (W : in Storage.Integer_Address); + pragma Import (C, fl_wizard_prev, "fl_wizard_prev"); + pragma Inline (fl_wizard_prev); + + + + + function fl_wizard_get_visible + (W : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_wizard_get_visible, "fl_wizard_get_visible"); + pragma Inline (fl_wizard_get_visible); + + procedure fl_wizard_set_visible + (W, I : in Storage.Integer_Address); + pragma Import (C, fl_wizard_set_visible, "fl_wizard_set_visible"); + pragma Inline (fl_wizard_set_visible); + + + + + procedure fl_wizard_draw + (W : in Storage.Integer_Address); + pragma Import (C, fl_wizard_draw, "fl_wizard_draw"); + pragma Inline (fl_wizard_draw); + + function fl_wizard_handle + (W : in Storage.Integer_Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_wizard_handle, "fl_wizard_handle"); + pragma Inline (fl_wizard_handle); + + + + + ------------------- + -- Destructors -- + ------------------- + + procedure Extra_Final + (This : in out Wizard) is + begin + Extra_Final (Group (This)); + end Extra_Final; + + + procedure Finalize + (This : in out Wizard) is + begin + Extra_Final (This); + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_wizard (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + procedure Extra_Init + (This : in out Wizard; + X, Y, W, H : in Integer; + Text : in String) is + begin + Extra_Init (Group (This), X, Y, W, H, Text); + end Extra_Init; + + + procedure Initialize + (This : in out Wizard) is + begin + This.Draw_Ptr := fl_wizard_draw'Address; + This.Handle_Ptr := fl_wizard_handle'Address; + end Initialize; + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return Wizard is + begin + return This : Wizard do + This.Void_Ptr := new_fl_wizard + (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 Group'Class; + X, Y, W, H : in Integer; + Text : in String := "") + return Wizard is + begin + return This : Wizard := Create (X, Y, W, H, Text) do + Parent.Add (This); + end return; + end Create; + + end Forge; + + + + + ----------------------- + -- API Subprograms -- + ----------------------- + + procedure Next + (This : in out Wizard) is + begin + fl_wizard_next (This.Void_Ptr); + end Next; + + + procedure Prev + (This : in out Wizard) is + begin + fl_wizard_prev (This.Void_Ptr); + end Prev; + + + + + function Get_Visible + (This : in Wizard) + return access Widget'Class + is + Visible_Ptr : Storage.Integer_Address := fl_wizard_get_visible (This.Void_Ptr); + Actual_Widget : access Widget'Class; + begin + if Visible_Ptr /= Null_Pointer then + Visible_Ptr := fl_widget_get_user_data (Visible_Ptr); + pragma Assert (Visible_Ptr /= Null_Pointer); + Actual_Widget := Widget_Convert.To_Pointer (Storage.To_Address (Visible_Ptr)); + end if; + return Actual_Widget; + exception + when Chk.Assertion_Error => raise Internal_FLTK_Error; + end Get_Visible; + + + procedure Set_Visible + (This : in out Wizard; + Item : in out Widget'Class) is + begin + fl_wizard_set_visible (This.Void_Ptr, Item.Void_Ptr); + end Set_Visible; + + + + + procedure Draw + (This : in out Wizard) is + begin + Group (This).Draw; + end Draw; + + +end FLTK.Widgets.Groups.Wizards; + + |