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QT: fix not triggering OnKeyDown/On(Utf8)KeyPress when typing diacritics using

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"dead keys" in several controls. Issue #0026115

git-svn-id: trunk@44930 -
This commit is contained in:
bart 2014-05-06 11:59:17 +00:00
parent 6a9ea0f2ff
commit 00158cb54c
1 changed files with 43 additions and 28 deletions
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71
lcl/interfaces/qt/qtwidgets.pas
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@ -189,6 +189,7 @@ type
function slotDropFiles(Sender: QObjectH; Event: QEventH): Boolean;
function SlotHover(Sender: QObjectH; Event: QEventH): Boolean; cdecl;
function SlotKey(Sender: QObjectH; Event: QEventH): Boolean; cdecl;
function SlotInputMethod(Sender: QObjectH; Event: QEventH): Boolean; cdecl;
function SlotMouse(Sender: QObjectH; Event: QEventH): Boolean; virtual; cdecl;
procedure SlotNCMouse(Sender: QObjectH; Event: QEventH); cdecl;
function SlotMouseEnter(Sender: QObjectH; Event: QEventH): Boolean; cdecl;
@ -2480,6 +2481,13 @@ begin
((LCLObject <> nil) and (LCLObject is TCustomControl));
end;
//Dead keys (used to compose chars like "ó" by pressing 'o) do not trigger EventKeyPress
//and therefore no KeyDown,Utf8KeyPress,KeyPress
QEventInputMethod:
begin
Result := SlotInputMethod(Sender, Event);
end;
QEventMouseButtonPress,
QEventMouseButtonRelease,
QEventMouseButtonDblClick: Result := SlotMouse(Sender, Event);
@ -3275,6 +3283,41 @@ begin
end;
end;
function TQtWidget.SlotInputMethod(Sender: QObjectH; Event: QEventH): Boolean; cdecl;
var
InputEvent: QInputMethodEventH;
WStr: WideString;
UnicodeChar: Cardinal;
UnicodeOutLen: integer;
KeyEvent: QKeyEventH;
begin
Result := True;
if not (QEvent_type(Event) = QEventInputMethod) then Exit;
{$ifdef VerboseQt}
DebugLn('TQtWidget.SlotInputMethod ', dbgsname(LCLObject));
{$endif}
InputEvent := QInputMethodEventH(Event);
QInputMethodEvent_commitString(InputEvent, @WStr);
UnicodeChar := UTF8CharacterToUnicode(PChar(WStr), UnicodeOutLen);
{$IFDEF VerboseQtKeys}
writeln('> TQtWidget.SlotInputMethod ',dbgsname(LCLObject),' event=QEventInputMethod:');
writeln(' commmitString ',WStr,' len ',length(WStr),' UnicodeChar ',UnicodeChar,
' UnicodeLen ',UnicodeOutLen);
writeln(' sending QEventKeyPress');
{$ENDIF}
KeyEvent := QKeyEvent_create(QEventKeyPress, PtrInt(UnicodeChar), QApplication_keyboardModifiers, @WStr, False, 1);
try
// do not send it to queue, just pass it to SlotKey
Result := SlotKey(Sender, KeyEvent);
finally
QKeyEvent_destroy(KeyEvent);
end;
{$IFDEF VerboseQtKeys}
writeln('< TQtWidget.SlotInputMethod End: ',dbgsname(LCLObject),' event=QEventInputMethod, sent QEventKeyPress');
{$ENDIF}
end;
{------------------------------------------------------------------------------
Function: TQtWidget.SlotMouse
Params: None
@ -15712,12 +15755,6 @@ begin
end;
function TQtCustomControl.EventFilter(Sender: QObjectH; Event: QEventH): Boolean; cdecl;
var
InputEvent: QInputMethodEventH;
WStr: WideString;
UnicodeOutLen: Integer;
UnicodeChar: Cardinal;
KeyEvent: QKeyEventH;
begin
Result := False;
QEvent_accept(Event);
@ -15734,28 +15771,6 @@ begin
(ClassType = TQtCustomControl) then
Result := False
else
if QEvent_type(Event) = QEventInputMethod then
begin
InputEvent := QInputMethodEventH(Event);
QInputMethodEvent_commitString(InputEvent, @WStr);
UnicodeChar := UTF8CharacterToUnicode(PChar(WStr), UnicodeOutLen);
{$IFDEF VerboseQtKeys}
writeln('> TQtCustomControl.EventFilter event=QEventInputMethod');
writeln(' commmitString ',WStr,' len ',length(WStr),' UnicodeChar ',UnicodeChar,
' UnicodeLen ',UnicodeOutLen);
{$ENDIF}
KeyEvent := QKeyEvent_create(QEventKeyPress, PtrInt(UnicodeChar), QApplication_keyboardModifiers, @WStr, False, 1);
try
// do not send it to queue, just pass it to SlotKey
Result := SlotKey(Sender, KeyEvent);
finally
QKeyEvent_destroy(KeyEvent);
end;
{$IFDEF VerboseQtKeys}
writeln('< TQtCustomControl.EventFilter event=QEventInputMethod sent QEventKeyPress');
{$ENDIF}
end else
if QEvent_type(Event) = QEventWheel then
begin
if not getEnabled then