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office-gobmx/vcl/inc/qt5/Qt5Frame.hxx
Jan-Marek Glogowski 9d96088c28 Qt5 report input method language 
This is in the spirit of tdf#108151, based on the information Qt
provides for the IM setting. I don't know how correct it is,
especially looking at Caolans comment 3 in that bug report
regarding the assumed validity of GtkIMContextInfo. OTOH it seems
to work well enough for my simple tests.

Some BG info: while the QInputMethod object is a global one, it's
"bound" to the focused window. So you'll get change events, when
you change the input window, with the correct IM settings for the
new one, be it a real window or just the menu bar.

To prevent unneeded flushes of buffers and language lookup, this
caches the current IM language of a window.

The language is not affected just by changing keyboard mappings,
which the bug reporter requested! It just works with a configured
input method, like fcitx or ibus (which can have keyboard mappings
too, which work correctly).

Change-Id: Ia9133edf4d1ce77d29adbfe57c180db15db0a560
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/106354
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>
2020-11-22 17:01:07 +01:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <config_vclplug.h>
#include <salframe.hxx>
#include <vclpluginapi.h>
#include "Qt5Tools.hxx"
#include <headless/svpgdi.hxx>
#include <vcl/svapp.hxx>
#include <vcl/sysdata.hxx>
#include <QtCore/QObject>
#if QT5_USING_X11
#include <unx/screensaverinhibitor.hxx>
// any better way to get rid of the X11 / Qt type clashes?
#undef Bool
#undef CursorShape
#undef Expose
#undef KeyPress
#undef KeyRelease
#undef FocusIn
#undef FocusOut
#undef FontChange
#undef None
#undef Status
#undef Unsorted
#endif
class Qt5DragSource;
class Qt5DropTarget;
class Qt5Graphics;
class Qt5Instance;
class Qt5MainWindow;
class Qt5Menu;
class Qt5SvpGraphics;
class QDragMoveEvent;
class QDropEvent;
class QImage;
class QMimeData;
class QPaintDevice;
class QScreen;
class QWidget;
class VCLPLUG_QT5_PUBLIC Qt5Frame : public QObject, public SalFrame
{
Q_OBJECT
friend class Qt5Widget;
QWidget* m_pQWidget;
Qt5MainWindow* m_pTopLevel;
const bool m_bUseCairo;
std::unique_ptr<QImage> m_pQImage;
std::unique_ptr<Qt5Graphics> m_pQt5Graphics;
UniqueCairoSurface m_pSurface;
std::unique_ptr<Qt5SvpGraphics> m_pOurSvpGraphics;
// in base class, this ptr is the same as m_pOurSvpGraphic
// in derived class, it can point to a derivative
// of Qt5SvpGraphics (which the derived class then owns)
Qt5SvpGraphics* m_pSvpGraphics;
DamageHandler m_aDamageHandler;
QRegion m_aRegion;
bool m_bNullRegion;
bool m_bGraphicsInUse;
bool m_bGraphicsInvalid;
SalFrameStyleFlags m_nStyle;
Qt5Frame* m_pParent;
PointerStyle m_ePointerStyle;
SystemEnvData m_aSystemData;
Qt5DragSource* m_pDragSource;
Qt5DropTarget* m_pDropTarget;
bool m_bInDrag;
bool m_bDefaultSize;
bool m_bDefaultPos;
bool m_bFullScreen;
bool m_bFullScreenSpanAll;
sal_uInt32 m_nRestoreScreen;
QRect m_aRestoreGeometry;
#if QT5_USING_X11
ScreenSaverInhibitor m_ScreenSaverInhibitor;
#endif
LanguageType m_nInputLanguage;
void SetDefaultPos();
Size CalcDefaultSize();
void SetDefaultSize();
bool isChild(bool bPlug = true, bool bSysChild = true) const
{
SalFrameStyleFlags nMask = SalFrameStyleFlags::NONE;
if (bPlug)
nMask |= SalFrameStyleFlags::PLUG;
if (bSysChild)
nMask |= SalFrameStyleFlags::SYSTEMCHILD;
return bool(m_nStyle & nMask);
}
bool isWindow() const;
QWindow* windowHandle() const;
QScreen* screen() const;
bool isMinimized() const;
bool isMaximized() const;
void SetWindowStateImpl(Qt::WindowStates eState);
void fixICCCMwindowGroup();
public:
Qt5Frame(Qt5Frame* pParent, SalFrameStyleFlags nSalFrameStyle, bool bUseCairo);
virtual ~Qt5Frame() override;
QWidget* GetQWidget() const { return m_pQWidget; }
Qt5MainWindow* GetTopLevelWindow() const { return m_pTopLevel; }
QWidget* asChild() const;
qreal devicePixelRatioF() const;
void Damage(sal_Int32 nExtentsX, sal_Int32 nExtentsY, sal_Int32 nExtentsWidth,
sal_Int32 nExtentsHeight) const;
void InitQt5SvpGraphics(Qt5SvpGraphics* pQt5SvpGraphics);
virtual SalGraphics* AcquireGraphics() override;
virtual void ReleaseGraphics(SalGraphics* pGraphics) override;
virtual bool PostEvent(std::unique_ptr<ImplSVEvent> pData) override;
virtual void SetTitle(const OUString& rTitle) override;
virtual void SetIcon(sal_uInt16 nIcon) override;
virtual void SetMenu(SalMenu* pMenu) override;
virtual void DrawMenuBar() override;
virtual void registerDragSource(Qt5DragSource* pDragSource);
virtual void deregisterDragSource(Qt5DragSource const* pDragSource);
virtual void registerDropTarget(Qt5DropTarget* pDropTarget);
virtual void deregisterDropTarget(Qt5DropTarget const* pDropTarget);
void handleDragLeave();
void handleDragMove(QDragMoveEvent* pEvent);
void handleDrop(QDropEvent* pEvent);
virtual void SetExtendedFrameStyle(SalExtStyle nExtStyle) override;
virtual void Show(bool bVisible, bool bNoActivate = false) override;
virtual void SetMinClientSize(tools::Long nWidth, tools::Long nHeight) override;
virtual void SetMaxClientSize(tools::Long nWidth, tools::Long nHeight) override;
virtual void SetPosSize(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
sal_uInt16 nFlags) override;
virtual void GetClientSize(tools::Long& rWidth, tools::Long& rHeight) override;
virtual void GetWorkArea(tools::Rectangle& rRect) override;
virtual SalFrame* GetParent() const override;
virtual void SetModal(bool bModal) override;
virtual bool GetModal() const override;
virtual void SetWindowState(const SalFrameState* pState) override;
virtual bool GetWindowState(SalFrameState* pState) override;
virtual void ShowFullScreen(bool bFullScreen, sal_Int32 nDisplay) override;
virtual void StartPresentation(bool bStart) override;
virtual void SetAlwaysOnTop(bool bOnTop) override;
virtual void ToTop(SalFrameToTop nFlags) override;
virtual void SetPointer(PointerStyle ePointerStyle) override;
virtual void CaptureMouse(bool bMouse) override;
virtual void SetPointerPos(tools::Long nX, tools::Long nY) override;
virtual bool ShowTooltip(const OUString& rText, const tools::Rectangle& rHelpArea) override;
using SalFrame::Flush;
virtual void Flush() override;
virtual void SetInputContext(SalInputContext* pContext) override;
virtual void EndExtTextInput(EndExtTextInputFlags nFlags) override;
virtual OUString GetKeyName(sal_uInt16 nKeyCode) override;
virtual bool MapUnicodeToKeyCode(sal_Unicode aUnicode, LanguageType aLangType,
vcl::KeyCode& rKeyCode) override;
virtual LanguageType GetInputLanguage() override;
virtual void UpdateSettings(AllSettings& rSettings) override;
virtual void Beep() override;
virtual const SystemEnvData* GetSystemData() const override { return &m_aSystemData; }
virtual SalPointerState GetPointerState() override;
virtual KeyIndicatorState GetIndicatorState() override;
virtual void SimulateKeyPress(sal_uInt16 nKeyCode) override;
virtual void SetParent(SalFrame* pNewParent) override;
virtual bool SetPluginParent(SystemParentData* pNewParent) override;
virtual void ResetClipRegion() override;
virtual void BeginSetClipRegion(sal_uInt32 nRects) override;
virtual void UnionClipRegion(tools::Long nX, tools::Long nY, tools::Long nWidth,
tools::Long nHeight) override;
virtual void EndSetClipRegion() override;
virtual void SetScreenNumber(unsigned int) override;
virtual void SetApplicationID(const OUString&) override;
inline bool CallCallback(SalEvent nEvent, const void* pEvent) const;
void setInputLanguage(LanguageType);
};
inline bool Qt5Frame::CallCallback(SalEvent nEvent, const void* pEvent) const
{
SolarMutexGuard aGuard;
return SalFrame::CallCallback(nEvent, pEvent);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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