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| <hr><div style="text-align:center"><h1> File : terminal_interface-curses-forms-field_types-user.ads </h1></div><hr> |
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| <span class="comment"><em>------------------------------------------------------------------------------</em></span> |
| <span class="comment"><em>-- --</em></span> |
| <span class="comment"><em>-- <strong>GNAT</strong> ncurses Binding --</em></span> |
| <span class="comment"><em>-- --</em></span> |
| <span class="comment"><em>-- Terminal_Interface.Curses.Forms.Field_Types.User --</em></span> |
| <span class="comment"><em>-- --</em></span> |
| <span class="comment"><em>-- S P E C --</em></span> |
| <span class="comment"><em>-- --</em></span> |
| <span class="comment"><em>------------------------------------------------------------------------------</em></span> |
| <span class="comment"><em>-- Copyright 2020 Thomas E. Dickey --</em></span> |
| <span class="comment"><em>-- Copyright 1999-2009,2011 Free Software Foundation, Inc. --</em></span> |
| <span class="comment"><em>-- --</em></span> |
| <span class="comment"><em>-- Permission is hereby granted, free of charge, to any person obtaining a --</em></span> |
| <span class="comment"><em>-- copy of this software and associated documentation files (the --</em></span> |
| <span class="comment"><em>-- "Software"), to deal in the Software without restriction, including --</em></span> |
| <span class="comment"><em>-- without limitation the rights to use, copy, modify, merge, publish, --</em></span> |
| <span class="comment"><em>-- distribute, distribute with modifications, sublicense, and/or sell --</em></span> |
| <span class="comment"><em>-- copies of the Software, and to permit persons to whom the Software is --</em></span> |
| <span class="comment"><em>-- furnished to do so, subject to the following conditions: --</em></span> |
| <span class="comment"><em>-- --</em></span> |
| <span class="comment"><em>-- The above copyright notice and this permission notice shall be included --</em></span> |
| <span class="comment"><em>-- in all copies or substantial portions of the Software. --</em></span> |
| <span class="comment"><em>-- --</em></span> |
| <span class="comment"><em>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --</em></span> |
| <span class="comment"><em>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --</em></span> |
| <span class="comment"><em>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --</em></span> |
| <span class="comment"><em>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --</em></span> |
| <span class="comment"><em>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --</em></span> |
| <span class="comment"><em>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --</em></span> |
| <span class="comment"><em>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --</em></span> |
| <span class="comment"><em>-- --</em></span> |
| <span class="comment"><em>-- Except as contained in this notice, the name(s) of the above copyright --</em></span> |
| <span class="comment"><em>-- holders shall not be used in advertising or otherwise to promote the --</em></span> |
| <span class="comment"><em>-- sale, use or other dealings in this Software without prior written --</em></span> |
| <span class="comment"><em>-- authorization. --</em></span> |
| <span class="comment"><em>------------------------------------------------------------------------------</em></span> |
| <span class="comment"><em>-- Author: Juergen Pfeifer, 1996</em></span> |
| <span class="comment"><em>-- Version Control:</em></span> |
| <span class="comment"><em>-- @Revision: 1.16 @</em></span> |
| <span class="comment"><em>-- @Date: 2020/02/02 23:34:34 @</em></span> |
| <span class="comment"><em>-- Binding Version 01.00</em></span> |
| <span class="comment"><em>------------------------------------------------------------------------------</em></span> |
| <b>with</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>.C; |
| |
| <b>package</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-forms__ads.htm#ref_46_35">Forms</a>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_45_41">Field_Types</a>.<span class="symbol"><a name="ref_45_53" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_46_58">User</a></span> <b>is</b> |
| <b>pragma</b> Preelaborate (<a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-forms__ads.htm#ref_46_35">Forms</a>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_45_41">Field_Types</a>.<a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_45_53">User</a>); |
| <b>subtype</b> <span class="symbol"><a name="ref_47_12">C_Int</a></span> <b>is</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>.C.int; |
| |
| <b>type</b> <span class="symbol"><a name="ref_49_9">User_Defined_Field_Type</a></span> <b>is</b> <b>abstract</b> <b>new</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_53_9">Field_Type</a> <b>with</b> <b>null</b> <b>record</b>; |
| <span class="comment"><em>-- This is the root of the mechanism we use to create field types in</em></span> |
| <span class="comment"><em>-- Ada95. You should your own type derive from this one and implement</em></span> |
| <span class="comment"><em>-- the Field_Check and Character_Check functions for your own type.</em></span> |
| |
| <b>type</b> <span class="symbol"><a name="ref_54_9">User_Defined_Field_Type_Access</a></span> <b>is</b> <b>access</b> <b>all</b> |
| <a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_49_9">User_Defined_Field_Type</a>'Class; |
| |
| <b>function</b> <span class="symbol"><a name="ref_57_13">Field_Check</a></span> |
| (<span class="symbol"><a name="ref_58_7">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>; |
| <span class="symbol"><a name="ref_59_7">Typ</a></span> : <a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_49_9">User_Defined_Field_Type</a>) <b>return</b> Boolean |
| <b>is</b> <b>abstract</b>; |
| <span class="comment"><em>-- If True is returned, the field is considered valid, otherwise it is</em></span> |
| <span class="comment"><em>-- invalid.</em></span> |
| |
| <b>function</b> <span class="symbol"><a name="ref_64_13">Character_Check</a></span> |
| (<span class="symbol"><a name="ref_65_7">Ch</a></span> : Character; |
| <span class="symbol"><a name="ref_66_7">Typ</a></span> : <a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_49_9">User_Defined_Field_Type</a>) <b>return</b> Boolean |
| <b>is</b> <b>abstract</b>; |
| <span class="comment"><em>-- If True is returned, the character is considered as valid for the</em></span> |
| <span class="comment"><em>-- field, otherwise as invalid.</em></span> |
| |
| <b>procedure</b> <span class="symbol"><a name="ref_71_14" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_48_14">Set_Field_Type</a></span> (<span class="symbol"><a name="ref_71_30" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_48_30">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>; |
| <span class="symbol"><a name="ref_72_30" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_49_30">Typ</a></span> : <a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_49_9">User_Defined_Field_Type</a>); |
| <span class="comment"><em>-- This should work for all types derived from User_Defined_Field_Type.</em></span> |
| <span class="comment"><em>-- No need to reimplement it for your derived type.</em></span> |
| |
| <span class="comment"><em>-- +----------------------------------------------------------------------</em></span> |
| <span class="comment"><em>-- | Private Part.</em></span> |
| <span class="comment"><em>-- | Used by the Choice child package.</em></span> |
| <b>private</b> |
| <b>function</b> <span class="symbol"><a name="ref_80_13" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_104_13">C_Generic_Type</a></span> <b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a>; |
| |
| <b>function</b> <span class="symbol"><a name="ref_82_13" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_78_13">Generic_Field_Check</a></span> (<span class="symbol"><a name="ref_82_34" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_78_34">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>; |
| <span class="symbol"><a name="ref_83_34" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_79_34">Usr</a></span> : System.Address) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>; |
| <b>pragma</b> Convention (C, <a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_82_13">Generic_Field_Check</a>); |
| <span class="comment"><em>-- This is the generic Field_Check_Function for the low-level fieldtype</em></span> |
| <span class="comment"><em>-- representing all the User_Defined_Field_Type derivatives. It routes</em></span> |
| <span class="comment"><em>-- the call to the Field_Check implementation for the type.</em></span> |
| |
| <b>function</b> <span class="symbol"><a name="ref_89_13" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_90_13">Generic_Char_Check</a></span> (<span class="symbol"><a name="ref_89_33" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_90_33">Ch</a></span> : <a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_47_12">C_Int</a>; |
| <span class="symbol"><a name="ref_90_33" href="terminal_interface-curses-forms-field_types-user__adb.htm#ref_91_33">Usr</a></span> : System.Address) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>; |
| <b>pragma</b> Convention (C, <a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_89_13">Generic_Char_Check</a>); |
| <span class="comment"><em>-- This is the generic Char_Check_Function for the low-level fieldtype</em></span> |
| <span class="comment"><em>-- representing all the User_Defined_Field_Type derivatives. It routes</em></span> |
| <span class="comment"><em>-- the call to the Character_Check implementation for the type.</em></span> |
| |
| <b>end</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-forms__ads.htm#ref_46_35">Forms</a>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_45_41">Field_Types</a>.<a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_45_53">User</a>; |
| </pre></body></html> |
