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Diffstat (limited to 'body/fltk-widgets-menus-menu_buttons.adb')
| -rw-r--r-- | body/fltk-widgets-menus-menu_buttons.adb | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/body/fltk-widgets-menus-menu_buttons.adb b/body/fltk-widgets-menus-menu_buttons.adb new file mode 100644 index 0000000..b526e49 --- /dev/null +++ b/body/fltk-widgets-menus-menu_buttons.adb @@ -0,0 +1,260 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + FLTK.Widgets.Groups, + Interfaces.C.Strings; + + +package body FLTK.Widgets.Menus.Menu_Buttons is + + + ------------------------ + -- Functions From C -- + ------------------------ + + function new_fl_menu_button + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_menu_button, "new_fl_menu_button"); + pragma Inline (new_fl_menu_button); + + procedure free_fl_menu_button + (M : in Storage.Integer_Address); + pragma Import (C, free_fl_menu_button, "free_fl_menu_button"); + pragma Inline (free_fl_menu_button); + + + + + function fl_menu_button_popup + (M : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_menu_button_popup, "fl_menu_button_popup"); + pragma Inline (fl_menu_button_popup); + + function fl_menu_find_index2 + (M, I : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_menu_find_index2, "fl_menu_find_index2"); + pragma Inline (fl_menu_find_index2); + + + + + procedure fl_menu_button_draw + (W : in Storage.Integer_Address); + pragma Import (C, fl_menu_button_draw, "fl_menu_button_draw"); + pragma Inline (fl_menu_button_draw); + + function fl_menu_button_handle + (W : in Storage.Integer_Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_menu_button_handle, "fl_menu_button_handle"); + pragma Inline (fl_menu_button_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); + + function fl_menu_value + (M : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_menu_value, "fl_menu_value"); + pragma Inline (fl_menu_value); + + + + + ------------------- + -- Destructors -- + ------------------- + + -- More magic + procedure menu_button_extra_final_hook + (Ada_Obj : in Storage.Integer_Address); + pragma Export (C, menu_button_extra_final_hook, "menu_button_extra_final_hook"); + + procedure menu_button_extra_final_hook + (Ada_Obj : in Storage.Integer_Address) + is + My_Menu_Button : Menu_Button; + for My_Menu_Button'Address use Storage.To_Address (Ada_Obj); + pragma Import (Ada, My_Menu_Button); + begin + Extra_Final (My_Menu_Button); + end menu_button_extra_final_hook; + + + procedure Extra_Final + (This : in out Menu_Button) is + begin + Extra_Final (Menu (This)); + end Extra_Final; + + + procedure Finalize + (This : in out Menu_Button) is + begin + Extra_Final (This); + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_menu_button (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + -- Long distance telephone call receival + procedure menu_button_extra_init_hook + (Ada_Obj : in Storage.Integer_Address; + X, Y, W, H : in Interfaces.C.int; + C_Str : in Interfaces.C.Strings.chars_ptr); + pragma Export (C, menu_button_extra_init_hook, "menu_button_extra_init_hook"); + + procedure menu_button_extra_init_hook + (Ada_Obj : in Storage.Integer_Address; + X, Y, W, H : in Interfaces.C.int; + C_Str : in Interfaces.C.Strings.chars_ptr) + is + My_Menu_Button : Menu_Button; + for My_Menu_Button'Address use Storage.To_Address (Ada_Obj); + pragma Import (Ada, My_Menu_Button); + begin + Extra_Init + (My_Menu_Button, + Integer (X), Integer (Y), + Integer (W), Integer (H), + Interfaces.C.Strings.Value (C_Str)); + end menu_button_extra_init_hook; + + + procedure Extra_Init + (This : in out Menu_Button; + 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 Menu_Button) is + begin + This.Draw_Ptr := fl_menu_button_draw'Address; + This.Handle_Ptr := fl_menu_button_handle'Address; + This.Get_Item_Ptr := fl_menu_get_item'Address; + This.Value_Ptr := fl_menu_value'Address; + end Initialize; + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return Menu_Button is + begin + return This : Menu_Button do + This.Void_Ptr := new_fl_menu_button + (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 Menu_Button is + begin + return This : Menu_Button := Create (X, Y, W, H, Text) do + Parent.Add (This); + end return; + end Create; + + end Forge; + + + + + ----------------------- + -- API Subprograms -- + ----------------------- + + function Get_Popup_Kind + (This : in Menu_Button) + return Popup_Buttons + is + Result : Interfaces.C.unsigned_char := fl_widget_get_type (This.Void_Ptr); + begin + return Popup_Buttons'Val (Result); + exception + when Constraint_Error => raise Internal_FLTK_Error with + "Fl_Menu_Button::type returned unexpected Popup_Buttons value of " & + Interfaces.C.unsigned_char'Image (Result); + end Get_Popup_Kind; + + + procedure Set_Popup_Kind + (This : in out Menu_Button; + Kind : in Popup_Buttons) is + begin + fl_widget_set_type (This.Void_Ptr, Popup_Buttons'Pos (Kind)); + end Set_Popup_Kind; + + + function Popup + (This : in out Menu_Button) + return Extended_Index + is + use type Interfaces.C.int; + Ptr : Storage.Integer_Address := fl_menu_button_popup (This.Void_Ptr); + begin + return Extended_Index (fl_menu_find_index2 (This.Void_Ptr, Ptr) + 1); + end Popup; + + + + + procedure Draw + (This : in out Menu_Button) is + begin + Menu (This).Draw; + end Draw; + + + function Handle + (This : in out Menu_Button; + Event : in Event_Kind) + return Event_Outcome is + begin + return Menu (This).Handle (Event); + end Handle; + + +end FLTK.Widgets.Menus.Menu_Buttons; + + |