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Qt: fixed bug with AltGr key handling under windows.We are using winapi directly as workaround for bug in Qt library. issue #23808

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git-svn-id: trunk@41378 -
This commit is contained in:
zeljko 2013-05-24 07:20:39 +00:00
parent 1abeb7d970
commit 467b293531
4 changed files with 40 additions and 9 deletions
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3
lcl/interfaces/qt/qtint.pp
View File

@ -192,6 +192,9 @@ type
FLastMinimizeEvent: DWord; // track mainform minimize events -> TQtMainWindow.EventFilter
FMinimizedByPager: Boolean; // track if app is minimized via desktop pager or by us.
{$ENDIF}
{$IFDEF MSWINDOWS}
function GetWinKeyState(AKeyState: LongInt): SHORT;
{$ENDIF}
function CreateDefaultFont: HFONT; virtual;
function GetDefaultAppFontName: WideString;
function GetQtDefaultDC: HDC; virtual;

7
lcl/interfaces/qt/qtobject.inc
View File

@ -1346,6 +1346,13 @@ begin
QWidget_setVisible(FDragImageList, NewVisible);
end;
{$IFDEF MSWINDOWS}
function TQtWidgetSet.GetWinKeyState(AKeyState: LongInt): SHORT;
begin
Result := Windows.GetKeyState(AKeyState);
end;
{$ENDIF}
{------------------------------------------------------------------------------
Function: CreateDefaultFont
Params: none

26
lcl/interfaces/qt/qtwidgets.pas
View File

@ -2799,15 +2799,27 @@ begin
if QEvent_type(Event) = QEventKeyRelease then
LCLModifiers := LCLModifiers or KF_UP;
KeyMsg.KeyData := PtrInt((AKeyCode shl 16) or (LCLModifiers shl 16) or $0001);
{$ifdef windows}
ACharCode := QKeyEvent_nativeVirtualKey(QKeyEventH(Event));
KeyMsg.CharCode := ACharCode;
// todo: VK to Win_VK for other os too
//WriteLn(QKeyEvent_nativeVirtualKey(QKeyEventH(Event)));
//WriteLn(QKeyEvent_nativeScanCode(QKeyEventH(Event)));
ACharCode := QKeyEvent_nativeVirtualKey(QKeyEventH(Event));
KeyMsg.CharCode := ACharCode;
if (Modifiers = QtAltModifier or QtControlModifier) then
begin
if (QtWidgetSet.GetWinKeyState(VK_RMENU) < 0) and
(QtWidgetSet.GetWinKeyState(VK_LCONTROL) < 0) then
begin
IsSysKey := False;
LCLModifiers := 0;
Modifiers := QtGroupSwitchModifier;
if QKeyEvent_isAutoRepeat(QKeyEventH(Event)) then
LCLModifiers := LCLModifiers or KF_REPEAT;
if QEvent_type(Event) = QEventKeyRelease then
LCLModifiers := LCLModifiers or KF_UP;
end;
end;
{$endif}
KeyMsg.KeyData := PtrInt((AKeyCode shl 16) or (LCLModifiers shl 16) or $0001);
// Loads the UTF-8 character associated with the keypress, if any
QKeyEvent_text(QKeyEventH(Event), @Text);

13
lcl/interfaces/qt/qtwinapi.inc
View File

@ -2975,6 +2975,16 @@ const
begin
Result := 0;
{$IFDEF MSWINDOWS}
if (nVirtKey = VK_CONTROL) or (nVirtKey = VK_MENU) or
(nVirtKey = VK_LCONTROL) or (nVirtKey = VK_LMENU) then
begin
if (GetWinKeyState(VK_RMENU) < 0) and
(GetWinKeyState(VK_LCONTROL) < 0) then
exit;
end;
{$ENDIF}
case nVirtKey of
VK_LSHIFT: nVirtKey := VK_SHIFT;
VK_LCONTROL: nVirtKey := VK_CONTROL;
@ -2982,7 +2992,6 @@ begin
end;
// where to track toggle state?
case nVirtKey of
VK_LBUTTON:
if (QApplication_mouseButtons and QtLeftButton) > 0 then
@ -3014,7 +3023,7 @@ begin
VK_LCL_CAPSLOCK, VK_NUMLOCK:
begin
{$IFDEF MSWINDOWS}
Result := Windows.GetKeyState(nVirtKey);
Result := GetWinKeyState(nVirtKey);
{$ELSE}
{$IFDEF HASX11}
if GetKeyLockState(nVirtKey) then