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Diffstat (limited to 'ncurses-5.2/Ada95/samples/sample-menu_demo-handler.adb')
-rw-r--r-- | ncurses-5.2/Ada95/samples/sample-menu_demo-handler.adb | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/ncurses-5.2/Ada95/samples/sample-menu_demo-handler.adb b/ncurses-5.2/Ada95/samples/sample-menu_demo-handler.adb new file mode 100644 index 0000000..90f4e39 --- /dev/null +++ b/ncurses-5.2/Ada95/samples/sample-menu_demo-handler.adb @@ -0,0 +1,107 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT ncurses Binding Samples -- +-- -- +-- Sample.Menu_Demo.Handler -- +-- -- +-- B O D Y -- +-- -- +------------------------------------------------------------------------------ +-- Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1996 +-- Version Control +-- $Revision$ +-- 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 : 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; |