diff options
Diffstat (limited to 'src/fltk-widgets-valuators-sliders-scrollbars.adb')
| -rw-r--r-- | src/fltk-widgets-valuators-sliders-scrollbars.adb | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/fltk-widgets-valuators-sliders-scrollbars.adb b/src/fltk-widgets-valuators-sliders-scrollbars.adb new file mode 100644 index 0000000..2fc013f --- /dev/null +++ b/src/fltk-widgets-valuators-sliders-scrollbars.adb @@ -0,0 +1,191 @@ + + +with + + Interfaces.C.Strings, + System; + +use type + + System.Address; + + +package body FLTK.Widgets.Valuators.Sliders.Scrollbars is + + + procedure scrollbar_set_draw_hook + (W, D : in System.Address); + pragma Import (C, scrollbar_set_draw_hook, "scrollbar_set_draw_hook"); + + procedure scrollbar_set_handle_hook + (W, H : in System.Address); + pragma Import (C, scrollbar_set_handle_hook, "scrollbar_set_handle_hook"); + + + + + function new_fl_scrollbar + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return System.Address; + pragma Import (C, new_fl_scrollbar, "new_fl_scrollbar"); + + procedure free_fl_scrollbar + (D : in System.Address); + pragma Import (C, free_fl_scrollbar, "free_fl_scrollbar"); + + + + + function fl_scrollbar_get_linesize + (S : in System.Address) + return Interfaces.C.int; + pragma Import (C, fl_scrollbar_get_linesize, "fl_scrollbar_get_linesize"); + + procedure fl_scrollbar_set_linesize + (S : in System.Address; + T : in Interfaces.C.int); + pragma Import (C, fl_scrollbar_set_linesize, "fl_scrollbar_set_linesize"); + + function fl_scrollbar_get_value + (S : in System.Address) + return Interfaces.C.int; + pragma Import (C, fl_scrollbar_get_value, "fl_scrollbar_get_value"); + + procedure fl_scrollbar_set_value + (S : in System.Address; + T : in Interfaces.C.int); + pragma Import (C, fl_scrollbar_set_value, "fl_scrollbar_set_value"); + + procedure fl_scrollbar_set_value2 + (S : in System.Address; + P, W, F, T : in Interfaces.C.int); + pragma Import (C, fl_scrollbar_set_value2, "fl_scrollbar_set_value2"); + + + + + procedure fl_scrollbar_draw + (W : in System.Address); + pragma Import (C, fl_scrollbar_draw, "fl_scrollbar_draw"); + + function fl_scrollbar_handle + (W : in System.Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_scrollbar_handle, "fl_scrollbar_handle"); + + + + + procedure Finalize + (This : in out Scrollbar) is + begin + if This.Void_Ptr /= System.Null_Address and then + This in Scrollbar'Class + then + free_fl_scrollbar (This.Void_Ptr); + This.Void_Ptr := System.Null_Address; + end if; + Finalize (Slider (This)); + end Finalize; + + + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String) + return Scrollbar is + begin + return This : Scrollbar do + This.Void_Ptr := new_fl_scrollbar + (Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H), + Interfaces.C.To_C (Text)); + fl_widget_set_user_data + (This.Void_Ptr, + Widget_Convert.To_Address (This'Unchecked_Access)); + scrollbar_set_draw_hook (This.Void_Ptr, Draw_Hook'Address); + scrollbar_set_handle_hook (This.Void_Ptr, Handle_Hook'Address); + end return; + end Create; + + end Forge; + + + + + function Get_Line_Size + (This : in Scrollbar) + return Natural is + begin + return Natural (fl_scrollbar_get_linesize (This.Void_Ptr)); + end Get_Line_Size; + + + procedure Set_Line_Size + (This : in out Scrollbar; + To : in Natural) is + begin + fl_scrollbar_set_linesize (This.Void_Ptr, Interfaces.C.int (To)); + end Set_Line_Size; + + + function Get_Position + (This : in Scrollbar) + return Natural is + begin + return Natural (fl_scrollbar_get_value (This.Void_Ptr)); + end Get_Position; + + + procedure Set_Position + (This : in out Scrollbar; + To : in Natural) is + begin + fl_scrollbar_set_value (This.Void_Ptr, Interfaces.C.int (To)); + end Set_Position; + + + procedure Set_All + (This : in out Scrollbar; + Position : in Natural; + Win_Size : in Natural; + First_Line : in Natural; + Total_Lines : in Natural) is + begin + fl_scrollbar_set_value2 + (This.Void_Ptr, + Interfaces.C.int (Position), + Interfaces.C.int (Win_Size), + Interfaces.C.int (First_Line), + Interfaces.C.int (Total_Lines)); + end Set_All; + + + + + procedure Draw + (This : in out Scrollbar) is + begin + fl_scrollbar_draw (This.Void_Ptr); + end Draw; + + + function Handle + (This : in out Scrollbar; + Event : in Event_Kind) + return Event_Outcome is + begin + return Event_Outcome'Val + (fl_scrollbar_handle (This.Void_Ptr, Event_Kind'Pos (Event))); + end Handle; + + +end FLTK.Widgets.Valuators.Sliders.Scrollbars; + |