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Gtk2: fixed input in TFloatSpinEdit. issue #18679

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git-svn-id: trunk@36068 -
This commit is contained in:
zeljko 2012-03-16 07:57:38 +00:00
parent 32b1b8d917
commit 4c122be304
1 changed files with 12 additions and 5 deletions
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17
lcl/interfaces/gtk2/gtk2wsspin.pp
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@ -196,7 +196,7 @@ end;
function HandleFloatSpinEditKeyPress(Widget: PGtkWidget; Event: PGdkEventKey; Data: gPointer): Boolean;
var
Entry: PGtkEntry;
AChar: Array [0..0] of Char;
AChar: Char;
ACurPos: Integer;
ASelLen: Integer;
FL: Double;
@ -204,19 +204,26 @@ var
SSel: String;
P: PChar;
SpinButton: PGtkSpinButton;
function ValidNumberKey(out AKey: Char): Boolean;
begin
AKey := #0;
if Event^.length <> 1 then
exit(False);
AKey := Event^._string^;
Result := (Byte(Ord(AKey)) in [VK_0..VK_9]) or (AKey = DecimalSeparator);
end;
begin
Result := False;
Entry := GTK_ENTRY(Widget);
if (ABS(Entry^.current_pos - Entry^.selection_bound) >= 0) and
(Event^.keyval > 31) and (Event^.keyval < 256) then
ValidNumberKey(AChar) then
begin
SpinButton := GTK_SPIN_BUTTON(Entry);
FL := gtk_spin_button_get_value(SpinButton);
ACurPos := Min(Entry^.current_pos, Entry^.selection_bound);
ASelLen := ABS(Entry^.current_pos - Entry^.selection_bound);
S := StrPas(gtk_entry_get_text(Entry));
// writeln(Format('Value %12.2n text %s start %d len %d',
// [FL, StrPas(gtk_entry_get_text(Entry)), ACurPos, ASelLen]));
if ASelLen > 0 then
begin
@ -231,7 +238,7 @@ begin
SSel := Copy(S,ACurPos + 1, ASelLen + 1);
Delete(S, ACurPos + 1, ASelLen);
Insert(Chr(Event^.keyVal), S, ACurPos + 1);
Insert(AChar, S, ACurPos + 1);
// if clocale isn't included in our project we are in trouble.
S := StringReplace(S,',',DecimalSeparator,[rfReplaceAll]);