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Diffstat (limited to 'body/fltk-widgets-menus-choices.adb')
| -rw-r--r-- | body/fltk-widgets-menus-choices.adb | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/body/fltk-widgets-menus-choices.adb b/body/fltk-widgets-menus-choices.adb new file mode 100644 index 0000000..e4b52ad --- /dev/null +++ b/body/fltk-widgets-menus-choices.adb @@ -0,0 +1,239 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + FLTK.Widgets.Groups, + Interfaces.C, + System; + +use type + + Interfaces.C.int; + + +package body FLTK.Widgets.Menus.Choices is + + + ------------------------ + -- Functions From C -- + ------------------------ + + function new_fl_choice + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_choice, "new_fl_choice"); + pragma Inline (new_fl_choice); + + procedure free_fl_choice + (B : in Storage.Integer_Address); + pragma Import (C, free_fl_choice, "free_fl_choice"); + pragma Inline (free_fl_choice); + + + + + function fl_choice_value + (M : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_choice_value, "fl_choice_value"); + pragma Inline (fl_choice_value); + + function fl_choice_set_value + (M, I : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_choice_set_value, "fl_choice_set_value"); + pragma Inline (fl_choice_set_value); + + function fl_choice_set_value2 + (M : in Storage.Integer_Address; + I : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_choice_set_value2, "fl_choice_set_value2"); + pragma Inline (fl_choice_set_value2); + + + + + procedure fl_choice_draw + (W : in Storage.Integer_Address); + pragma Import (C, fl_choice_draw, "fl_choice_draw"); + pragma Inline (fl_choice_draw); + + function fl_choice_handle + (W : in Storage.Integer_Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_choice_handle, "fl_choice_handle"); + pragma Inline (fl_choice_handle); + + + + + function fl_menu_get_item + (M : in Storage.Integer_Address; + I : in Interfaces.C.int) + return Storage.Integer_Address; + pragma Import (C, fl_menu_get_item, "fl_menu_get_item"); + pragma Inline (fl_menu_get_item); + + + + + ------------------- + -- Destructors -- + ------------------- + + procedure Extra_Final + (This : in out Choice) is + begin + Extra_Final (Menu (This)); + end Extra_Final; + + + procedure Finalize + (This : in out Choice) is + begin + Extra_Final (This); + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_choice (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + procedure Extra_Init + (This : in out Choice; + X, Y, W, H : in Integer; + Text : in String) is + begin + Extra_Init (Menu (This), X, Y, W, H, Text); + end Extra_Init; + + + procedure Initialize + (This : in out Choice) is + begin + This.Draw_Ptr := fl_choice_draw'Address; + This.Handle_Ptr := fl_choice_handle'Address; + This.Get_Item_Ptr := fl_menu_get_item'Address; + This.Value_Ptr := fl_choice_value'Address; + end Initialize; + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return Choice is + begin + return This : Choice do + This.Void_Ptr := new_fl_choice + (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 Choice is + begin + return This : Choice := Create (X, Y, W, H, Text) do + Parent.Add (This); + end return; + end Create; + + end Forge; + + + + + ----------------------- + -- API Subprograms -- + ----------------------- + + function Chosen_Index + (This : in Choice) + return Extended_Index is + begin + return Menu (This).Chosen_Index; + end Chosen_Index; + + + procedure Set_Chosen + (This : in out Choice; + Item : in FLTK.Menu_Items.Menu_Item) + is + Ignore_Ret : Interfaces.C.int; + begin + Ignore_Ret := fl_choice_set_value (This.Void_Ptr, Wrapper (Item).Void_Ptr); + end Set_Chosen; + + + function Set_Chosen + (This : in out Choice; + Item : in FLTK.Menu_Items.Menu_Item) + return Boolean is + begin + return fl_choice_set_value (This.Void_Ptr, Wrapper (Item).Void_Ptr) /= 0; + end Set_Chosen; + + + procedure Set_Chosen + (This : in out Choice; + Place : in Index) + is + Ignore_Ret : Interfaces.C.int; + begin + Ignore_Ret := fl_choice_set_value2 (This.Void_Ptr, Interfaces.C.int (Place) - 1); + end Set_Chosen; + + + function Set_Chosen + (This : in out Choice; + Place : in Index) + return Boolean is + begin + return fl_choice_set_value2 (This.Void_Ptr, Interfaces.C.int (Place) - 1) /= 0; + end Set_Chosen; + + + + + procedure Draw + (This : in out Choice) is + begin + Menu (This).Draw; + end Draw; + + + function Handle + (This : in out Choice; + Event : in Event_Kind) + return Event_Outcome is + begin + return Menu (This).Handle (Event); + end Handle; + + +end FLTK.Widgets.Menus.Choices; + + |