| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT ncurses Binding Samples -- |
| -- -- |
| -- Sample.Menu_Demo.Handler -- |
| -- -- |
| -- B O D Y -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| -- Copyright (c) 1998,2004 Free Software Foundation, Inc. -- |
| -- -- |
| -- Permission is hereby granted, free of charge, to any person obtaining a -- |
| -- copy of this software and associated documentation files (the -- |
| -- "Software"), to deal in the Software without restriction, including -- |
| -- without limitation the rights to use, copy, modify, merge, publish, -- |
| -- distribute, distribute with modifications, sublicense, and/or sell -- |
| -- copies of the Software, and to permit persons to whom the Software is -- |
| -- furnished to do so, subject to the following conditions: -- |
| -- -- |
| -- The above copyright notice and this permission notice shall be included -- |
| -- in all copies or substantial portions of the Software. -- |
| -- -- |
| -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -- |
| -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -- |
| -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -- |
| -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -- |
| -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -- |
| -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR -- |
| -- THE USE OR OTHER DEALINGS IN THE SOFTWARE. -- |
| -- -- |
| -- Except as contained in this notice, the name(s) of the above copyright -- |
| -- holders shall not be used in advertising or otherwise to promote the -- |
| -- sale, use or other dealings in this Software without prior written -- |
| -- authorization. -- |
| ------------------------------------------------------------------------------ |
| -- Author: Juergen Pfeifer, 1996 |
| -- Version Control |
| -- $Revision: 1.15 $ |
| -- $Date: 2004/08/21 21:37:00 $ |
| -- Binding Version 01.00 |
| ------------------------------------------------------------------------------ |
| with Sample.Menu_Demo.Aux; |
| with Sample.Manifest; use Sample.Manifest; |
| with Terminal_Interface.Curses.Mouse; use Terminal_Interface.Curses.Mouse; |
| |
| package body Sample.Menu_Demo.Handler is |
| |
| package Aux renames Sample.Menu_Demo.Aux; |
| |
| procedure Drive_Me (M : in Menu; |
| Title : in String := "") |
| is |
| L : Line_Count; |
| C : Column_Count; |
| Y : Line_Position; |
| X : Column_Position; |
| begin |
| Aux.Geometry (M, L, C, Y, X); |
| Drive_Me (M, Y, X, Title); |
| end Drive_Me; |
| |
| procedure Drive_Me (M : in Menu; |
| Lin : in Line_Position; |
| Col : in Column_Position; |
| Title : in String := "") |
| is |
| Mask : Event_Mask := No_Events; |
| Old : Event_Mask; |
| Pan : Panel := Aux.Create (M, Title, Lin, Col); |
| V : Cursor_Visibility := Invisible; |
| begin |
| -- We are only interested in Clicks with the left button |
| Register_Reportable_Events (Left, All_Clicks, Mask); |
| Old := Start_Mouse (Mask); |
| Set_Cursor_Visibility (V); |
| loop |
| declare |
| K : Key_Code := Aux.Get_Request (M, Pan); |
| R : constant Driver_Result := Driver (M, K); |
| begin |
| case R is |
| when Menu_Ok => null; |
| when Unknown_Request => |
| declare |
| I : constant Item := Current (M); |
| O : Item_Option_Set; |
| begin |
| if K = Key_Mouse then |
| K := SELECT_ITEM; |
| end if; |
| Get_Options (I, O); |
| if K = SELECT_ITEM and then not O.Selectable then |
| Beep; |
| else |
| if My_Driver (M, K, Pan) then |
| exit; |
| end if; |
| end if; |
| end; |
| when others => Beep; |
| end case; |
| end; |
| end loop; |
| End_Mouse (Old); |
| Aux.Destroy (M, Pan); |
| end Drive_Me; |
| |
| end Sample.Menu_Demo.Handler; |
