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[CLOSED] TEdit: & (Ampersand) gets deleted
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Topic: [CLOSED] TEdit: & (Ampersand) gets deleted (Read 1407 times)
wittbo
Full Member
Posts: 150
[CLOSED] TEdit: & (Ampersand) gets deleted
«
on:
February 14, 2020, 01:38:36 pm »
This morning I got a really enerving problem:
I want to edit a string, that contains some ampersand chars. My program code makes some declarations like:
s := 'example&name&surname'
edit1.text := s
Upon doing this, all ampersands get deleted and the text in the edit field is without any ampersands.
When i duplicate all ampersands before writing the string into the edit field:
s := 'example&&name&&surname'
all double ampersands are replaced by one single ampersand in the tedit field.
What could/should I do to realize a standard editing solution including strings with ampersand chars?
«
Last Edit: February 14, 2020, 02:58:47 pm by wittbo
»
Logged
-wittbo-
MBAir with MacOS 10.14.6 / Lazarus 2.2.4
MacStudio with MacOS 13.0.1 / Lazarus 2.2.4
lucamar
Hero Member
Posts: 4219
Re: TEdit: & (Ampersand) gets deleted
«
Reply #1 on:
February 14, 2020, 02:22:18 pm »
Can't reproduce in Linux; it might be an OS dependent artifact or a bug that makes it process
Text
(which is a
TCaption
rather than a plain String, though it shouldn't matter) the same way it does for a labels, buttons, menu items, etc. where "
&
" is used to signal the "shortcut" letter in the caption (the one underlined).
A workaround to correct it is to code a specialized function to set the text for edit controls, something like:
Code: Pascal
[Select]
[+]
[-]
procedure
SetEditText
(
const
AnEdit
:
TEdit
;
const
Value
:
String
)
;
begin
if
Assigned
(
AnEdit
)
then
AnEdit
.
Text
:
=
StringReplace
(
Value
,
'&'
,
'&&'
,
[
rfReplaceAll
]
)
;
end
;
which you would use instead of assigning directly to
TEdit.Text
:
Code: Pascal
[Select]
[+]
[-]
{Instead of:
edit1.text := 'Tom & Jerry';
we'll do: }
SetEditText
(
Edit1
,
'Tom & Jerry'
)
;
Logged
Turbo Pascal 3 CP/M - Amstrad PCW 8256 (512 KB !!!)
Lazarus/FPC 2.0.8/3.0.4 & 2.0.12/3.2.0 - 32/64 bits on:
(K|L|X)Ubuntu 12..18, Windows XP, 7, 10 and various DOSes.
wp
Hero Member
Posts: 11916
Re: TEdit: & (Ampersand) gets deleted
«
Reply #2 on:
February 14, 2020, 02:57:27 pm »
Quote from: lucamar on February 14, 2020, 02:22:18 pm
Can't reproduce in Linux.
Can't reproduce on Windows either. Probably one more of there mysterious Mac bugs (if I interpret your signature correctly).
Logged
wittbo
Full Member
Posts: 150
Re: TEdit: & (Ampersand) gets deleted
«
Reply #3 on:
February 14, 2020, 02:57:41 pm »
It seems to be an artefact.
iMac 2011, macOS 10.13.6, Lazarus 2.0.2: Error occurs as described
MB Air 2014, macOS 10.14.6, Lazarus 2.0.6: works as expected, no error
So, maybe it's the macOS version or the Lazarus version.
I will close this defect.
Logged
-wittbo-
MBAir with MacOS 10.14.6 / Lazarus 2.2.4
MacStudio with MacOS 13.0.1 / Lazarus 2.2.4
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[CLOSED] TEdit: & (Ampersand) gets deleted
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