-- Programmed by Jedidiah Barber -- Released into the public domain with Ada.Assertions, Interfaces.C.Strings; use type Interfaces.C.int, Interfaces.C.Strings.chars_ptr; package body FLTK.Widgets.Groups.Browsers.Textline.File is package Chk renames Ada.Assertions; ------------------------ -- Functions From C -- ------------------------ function get_error_message return Interfaces.C.Strings.chars_ptr; pragma Import (C, get_error_message, "get_error_message"); pragma Inline (get_error_message); function filename_dname (L : in Storage.Integer_Address; N : in Interfaces.C.int) return Interfaces.C.Strings.chars_ptr; pragma Import (C, filename_dname, "filename_dname"); pragma Inline (filename_dname); function new_fl_file_browser (X, Y, W, H : in Interfaces.C.int; Text : in Interfaces.C.char_array) return Storage.Integer_Address; pragma Import (C, new_fl_file_browser, "new_fl_file_browser"); pragma Inline (new_fl_file_browser); procedure free_fl_file_browser (B : in Storage.Integer_Address); pragma Import (C, free_fl_file_browser, "free_fl_file_browser"); pragma Inline (free_fl_file_browser); function fl_file_browser_load (B : in Storage.Integer_Address; D : in Interfaces.C.char_array; S : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_load, "fl_file_browser_load"); pragma Inline (fl_file_browser_load); function fl_file_browser_get_filetype (B : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_get_filetype, "fl_file_browser_get_filetype"); pragma Inline (fl_file_browser_get_filetype); procedure fl_file_browser_set_filetype (B : in Storage.Integer_Address; F : in Interfaces.C.int); pragma Import (C, fl_file_browser_set_filetype, "fl_file_browser_set_filetype"); pragma Inline (fl_file_browser_set_filetype); function fl_file_browser_get_filter (B : in Storage.Integer_Address) return Interfaces.C.Strings.chars_ptr; pragma Import (C, fl_file_browser_get_filter, "fl_file_browser_get_filter"); pragma Inline (fl_file_browser_get_filter); procedure fl_file_browser_set_filter (B : in Storage.Integer_Address; F : in Interfaces.C.char_array); pragma Import (C, fl_file_browser_set_filter, "fl_file_browser_set_filter"); pragma Inline (fl_file_browser_set_filter); function fl_file_browser_get_iconsize (B : in Storage.Integer_Address) return Interfaces.C.unsigned_char; pragma Import (C, fl_file_browser_get_iconsize, "fl_file_browser_get_iconsize"); pragma Inline (fl_file_browser_get_iconsize); procedure fl_file_browser_set_iconsize (B : in Storage.Integer_Address; I : in Interfaces.C.unsigned_char); pragma Import (C, fl_file_browser_set_iconsize, "fl_file_browser_set_iconsize"); pragma Inline (fl_file_browser_set_iconsize); function fl_file_browser_get_textsize (B : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_get_textsize, "fl_file_browser_get_textsize"); pragma Inline (fl_file_browser_get_textsize); procedure fl_file_browser_set_textsize (B : in Storage.Integer_Address; S : in Interfaces.C.int); pragma Import (C, fl_file_browser_set_textsize, "fl_file_browser_set_textsize"); pragma Inline (fl_file_browser_set_textsize); function fl_file_browser_item_width (B, I : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_item_width, "fl_file_browser_item_width"); pragma Inline (fl_file_browser_item_width); function fl_file_browser_item_height (B, I : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_item_height, "fl_file_browser_item_height"); pragma Inline (fl_file_browser_item_height); function fl_file_browser_item_first (B : in Storage.Integer_Address) return Storage.Integer_Address; pragma Import (C, fl_file_browser_item_first, "fl_file_browser_item_first"); pragma Inline (fl_file_browser_item_first); function fl_file_browser_item_last (B : in Storage.Integer_Address) return Storage.Integer_Address; pragma Import (C, fl_file_browser_item_last, "fl_file_browser_item_last"); pragma Inline (fl_file_browser_item_last); function fl_file_browser_item_next (B, I : in Storage.Integer_Address) return Storage.Integer_Address; pragma Import (C, fl_file_browser_item_next, "fl_file_browser_item_next"); pragma Inline (fl_file_browser_item_next); function fl_file_browser_item_prev (B, I : in Storage.Integer_Address) return Storage.Integer_Address; pragma Import (C, fl_file_browser_item_prev, "fl_file_browser_item_prev"); pragma Inline (fl_file_browser_item_prev); function fl_file_browser_item_at (B : in Storage.Integer_Address; N : in Interfaces.C.int) return Storage.Integer_Address; pragma Import (C, fl_file_browser_item_at, "fl_file_browser_item_at"); pragma Inline (fl_file_browser_item_at); procedure fl_file_browser_item_select (B, I : in Storage.Integer_Address; V : in Interfaces.C.int); pragma Import (C, fl_file_browser_item_select, "fl_file_browser_item_select"); pragma Inline (fl_file_browser_item_select); function fl_file_browser_item_selected (B, I : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_item_selected, "fl_file_browser_item_selected"); pragma Inline (fl_file_browser_item_selected); procedure fl_file_browser_item_swap (B, X, Y : in Storage.Integer_Address); pragma Import (C, fl_file_browser_item_swap, "fl_file_browser_item_swap"); pragma Inline (fl_file_browser_item_swap); function fl_file_browser_item_text (B, I : in Storage.Integer_Address) return Interfaces.C.Strings.chars_ptr; pragma Import (C, fl_file_browser_item_text, "fl_file_browser_item_text"); pragma Inline (fl_file_browser_item_text); procedure fl_file_browser_item_draw (B, I : in Storage.Integer_Address; X, Y, W, H : in Interfaces.C.int); pragma Import (C, fl_file_browser_item_draw, "fl_file_browser_item_draw"); pragma Inline (fl_file_browser_item_draw); function fl_file_browser_full_width (B : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_full_width, "fl_file_browser_full_width"); pragma Inline (fl_file_browser_full_width); function fl_file_browser_full_height (B : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_full_height, "fl_file_browser_full_height"); pragma Inline (fl_file_browser_full_height); function fl_file_browser_incr_height (B : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_incr_height, "fl_file_browser_incr_height"); pragma Inline (fl_file_browser_incr_height); function fl_file_browser_item_quick_height (B, I : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_file_browser_item_quick_height, "fl_file_browser_item_quick_height"); pragma Inline (fl_file_browser_item_quick_height); procedure fl_file_browser_draw (B : in Storage.Integer_Address); pragma Import (C, fl_file_browser_draw, "fl_file_browser_draw"); pragma Inline (fl_file_browser_draw); function fl_file_browser_handle (B : in Storage.Integer_Address; E : in Interfaces.C.int) return Interfaces.C.int; pragma Import (C, fl_file_browser_handle, "fl_file_browser_handle"); pragma Inline (fl_file_browser_handle); ------------------- -- Destructors -- ------------------- procedure Extra_Final (This : in out File_Browser) is begin Extra_Final (Textline_Browser (This)); end Extra_Final; procedure Finalize (This : in out File_Browser) is begin Extra_Final (This); if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then free_fl_file_browser (This.Void_Ptr); This.Void_Ptr := Null_Pointer; end if; end Finalize; -------------------- -- Constructors -- -------------------- procedure Extra_Init (This : in out File_Browser; X, Y, W, H : in Integer; Text : in String) is begin Extra_Init (Textline_Browser (This), X, Y, W, H, Text); end Extra_Init; procedure Initialize (This : in out File_Browser) is begin This.Item_Override_Ptrs := (Item_Width_Ptr => fl_file_browser_item_width'Address, Item_Height_Ptr => fl_file_browser_item_height'Address, Item_First_Ptr => fl_file_browser_item_first'Address, Item_Last_Ptr => fl_file_browser_item_last'Address, Item_Next_Ptr => fl_file_browser_item_next'Address, Item_Previous_Ptr => fl_file_browser_item_prev'Address, Item_At_Ptr => fl_file_browser_item_at'Address, Item_Select_Ptr => fl_file_browser_item_select'Address, Item_Selected_Ptr => fl_file_browser_item_selected'Address, Item_Swap_Ptr => fl_file_browser_item_swap'Address, Item_Text_Ptr => fl_file_browser_item_text'Address, Item_Draw_Ptr => fl_file_browser_item_draw'Address); This.Wide_High_Ptrs := (Full_List_Width_Ptr => fl_file_browser_full_width'Address, Full_List_Height_Ptr => fl_file_browser_full_height'Address, Average_Item_Height_Ptr => fl_file_browser_incr_height'Address, Item_Quick_Height_Ptr => fl_file_browser_item_quick_height'Address); This.Draw_Ptr := fl_file_browser_draw'Address; This.Handle_Ptr := fl_file_browser_handle'Address; end Initialize; package body Forge is function Create (X, Y, W, H : in Integer; Text : in String := "") return File_Browser is begin return This : File_Browser do This.Void_Ptr := new_fl_file_browser (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; end Forge; ----------------------- -- API Subprograms -- ----------------------- Current_Sort : FLTK.Filenames.Compare_Function; function Compare_Hook (DA, DB : in Storage.Integer_Address) return Interfaces.C.int; pragma Convention (C, Compare_Hook); function Compare_Hook (DA, DB : in Storage.Integer_Address) return Interfaces.C.int is Result : FLTK.Filenames.Comparison := Current_Sort (Interfaces.C.Strings.Value (filename_dname (DA, 0)), Interfaces.C.Strings.Value (filename_dname (DB, 0))); begin return FLTK.Filenames.Comparison'Pos (Result) - 1; end Compare_Hook; function Load (This : in out File_Browser; Dir : in String; Sort : in not null FLTK.Filenames.Compare_Function := FLTK.Filenames.Numeric_Sort'Access) return Natural is Msg : Interfaces.C.Strings.chars_ptr; Code : Interfaces.C.int; begin Current_Sort := Sort; Code := fl_file_browser_load (This.Void_Ptr, Interfaces.C.To_C (Dir), Storage.To_Integer (Compare_Hook'Address)); if Code = 0 then Msg := get_error_message; if Msg /= Interfaces.C.Strings.Null_Ptr then raise Browser_Load_Error with Interfaces.C.Strings.Value (Msg); end if; end if; return Natural (Code); end Load; procedure Load (This : in out File_Browser; Dir : in String; Sort : in not null FLTK.Filenames.Compare_Function := FLTK.Filenames.Numeric_Sort'Access) is Result : Natural := This.Load (Dir, Sort); begin null; end Load; function Get_File_Kind (This : in File_Browser) return File_Kind is Code : Interfaces.C.int := fl_file_browser_get_filetype (This.Void_Ptr); begin pragma Assert (Code in File_Kind'Pos (File_Kind'First) .. File_Kind'Pos (File_Kind'Last)); return File_Kind'Val (Code); exception when Chk.Assertion_Error => raise Internal_FLTK_Error; end Get_File_Kind; procedure Set_File_Kind (This : in out File_Browser; Value : in File_Kind) is begin fl_file_browser_set_filetype (This.Void_Ptr, File_Kind'Pos (Value)); end Set_File_Kind; function Get_Filter (This : in File_Browser) return String is Result : Interfaces.C.Strings.chars_ptr := fl_file_browser_get_filter (This.Void_Ptr); begin if Result = Interfaces.C.Strings.Null_Ptr then return ""; else return Interfaces.C.Strings.Value (Result); end if; end Get_Filter; procedure Set_Filter (This : in out File_Browser; Value : in String) is begin fl_file_browser_set_filter (This.Void_Ptr, Interfaces.C.To_C (Value)); end Set_Filter; function Get_Icon_Size (This : in File_Browser) return Icon_Size is begin return Icon_Size (fl_file_browser_get_iconsize (This.Void_Ptr)); end Get_Icon_Size; procedure Set_Icon_Size (This : in out File_Browser; Value : in Icon_Size) is begin fl_file_browser_set_iconsize (This.Void_Ptr, Interfaces.C.unsigned_char (Value)); end Set_Icon_Size; function Get_Text_Size (This : in File_Browser) return Font_Size is begin return Font_Size (fl_file_browser_get_textsize (This.Void_Ptr)); end Get_Text_Size; procedure Set_Text_Size (This : in out File_Browser; Size : in Font_Size) is begin fl_file_browser_set_textsize (This.Void_Ptr, Interfaces.C.int (Size)); end Set_Text_Size; function Full_List_Height (This : in File_Browser) return Integer is begin return Textline_Browser (This).Full_List_Height; end Full_List_Height; function Average_Item_Height (This : in File_Browser) return Integer is begin return Textline_Browser (This).Average_Item_Height; end Average_Item_Height; function Item_Width (This : in File_Browser; Item : in Item_Cursor) return Integer is begin return Textline_Browser (This).Item_Width (Item); end Item_Width; function Item_Height (This : in File_Browser; Item : in Item_Cursor) return Integer is begin return Textline_Browser (This).Item_Height (Item); end Item_Height; procedure Item_Draw (This : in File_Browser; Item : in Item_Cursor; X, Y, W, H : in Integer) is begin Textline_Browser (This).Item_Draw (Item, X, Y, W, H); end Item_Draw; end FLTK.Widgets.Groups.Browsers.Textline.File;