office-gobmx/vcl/inc/qt5/QtInstance.hxx
OmkarAcharekar 1ace888823 tdf#130857 Use native qt widgets - simple message dialog
- Implements CreateMessageDialog method for QtInstance which would create message dialogs using native qt widgets.

  Example - MasterPasswordCreateDialog ( https://git.libreoffice.org/core/+/5e8c0575e877795aaca91346548cd0136fa22048/uui/source/masterpasscrtdlg.cxx#64 ).
  To trigger this :
  a) Go to "Tools" -> "Options".
  b) Select "LibreOfficeDev" -> "Security", then check "Persistently save passwords for web connections".
  c) In the master password dialog, enter two different passwords and click "OK". The message dialog appears now uses native qt widgets.

- adds Env variable SAL_VCL_QT_NO_WELDED_WIDGETS which reverts to previous behavior using VCL widgets.

Note: most of the methods from weld::Widget hierarchy are currently just dummy implementations for Qt case, only what's needed for simple message dialogs has been implemented in this patch.

Change-Id: I522489b8befb92f0092eb248ea2b81ecfbadd737
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/161073
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Tested-by: Jenkins
2024-01-08 22:52:59 +01:00

197 lines
7.7 KiB
C++

/* -*- 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 <vclpluginapi.h>
#include <unx/geninst.h>
#include <salusereventlist.hxx>
#include <vcl/timer.hxx>
#include <osl/conditn.hxx>
#include <QtCore/QObject>
#include <cstdlib>
#include <functional>
#include <memory>
#include <vector>
#include "QtFilePicker.hxx"
#include <salinst.hxx>
class QtFrame;
class QtTimer;
class QApplication;
class SalYieldMutex;
class SalFrame;
struct StdFreeCStr
{
void operator()(char* arg) const noexcept { std::free(arg); }
};
using FreeableCStr = std::unique_ptr<char[], StdFreeCStr>;
class VCLPLUG_QT_PUBLIC QtInstance : public QObject,
public SalGenericInstance,
public SalUserEventList
{
Q_OBJECT
osl::Condition m_aWaitingYieldCond;
const bool m_bUseCairo;
QtTimer* m_pTimer;
bool m_bSleeping;
std::unordered_map<OUString, css::uno::Reference<css::uno::XInterface>> m_aClipboards;
std::unique_ptr<QApplication> m_pQApplication;
std::vector<FreeableCStr> m_pFakeArgvFreeable;
std::unique_ptr<char* []> m_pFakeArgv;
std::unique_ptr<int> m_pFakeArgc;
Timer m_aUpdateStyleTimer;
bool m_bUpdateFonts;
QtFrame* m_pActivePopup;
DECL_DLLPRIVATE_LINK(updateStyleHdl, Timer*, void);
void AfterAppInit() override;
private Q_SLOTS:
bool ImplYield(bool bWait, bool bHandleAllCurrentEvents);
static void deleteObjectLater(QObject* pObject);
static void localeChanged();
void orientationChanged(Qt::ScreenOrientation);
void primaryScreenChanged(QScreen*);
void screenAdded(QScreen*);
void screenRemoved(QScreen*);
void virtualGeometryChanged(const QRect&);
Q_SIGNALS:
bool ImplYieldSignal(bool bWait, bool bHandleAllCurrentEvents);
void deleteObjectLaterSignal(QObject* pObject);
protected:
virtual rtl::Reference<QtFilePicker>
createPicker(css::uno::Reference<css::uno::XComponentContext> const& context,
QFileDialog::FileMode);
bool useCairo() const { return m_bUseCairo; }
// encodes cairo usage and Qt platform name into the ToolkitName
OUString constructToolkitID(std::u16string_view sTKname);
void connectQScreenSignals(const QScreen*);
void notifyDisplayChanged();
public:
explicit QtInstance(std::unique_ptr<QApplication>& pQApp);
virtual ~QtInstance() override;
// handle common SalInstance setup
static void AllocFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv,
std::unique_ptr<int>& rFakeArgc,
std::vector<FreeableCStr>& rFakeArgvFreeable);
void MoveFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv, std::unique_ptr<int>& rFakeArgc,
std::vector<FreeableCStr>& rFakeArgvFreeable);
static std::unique_ptr<QApplication> CreateQApplication(int& nArgc, char** pArgv);
void RunInMainThread(std::function<void()> func);
virtual SalFrame* CreateFrame(SalFrame* pParent, SalFrameStyleFlags nStyle) override;
virtual SalFrame* CreateChildFrame(SystemParentData* pParent,
SalFrameStyleFlags nStyle) override;
virtual void DestroyFrame(SalFrame* pFrame) override;
virtual SalObject* CreateObject(SalFrame* pParent, SystemWindowData* pWindowData,
bool bShow) override;
virtual void DestroyObject(SalObject* pObject) override;
virtual std::unique_ptr<SalVirtualDevice>
CreateVirtualDevice(SalGraphics& rGraphics, tools::Long& nDX, tools::Long& nDY,
DeviceFormat eFormat, const SystemGraphicsData* pData = nullptr) override;
virtual SalInfoPrinter* CreateInfoPrinter(SalPrinterQueueInfo* pQueueInfo,
ImplJobSetup* pSetupData) override;
virtual void DestroyInfoPrinter(SalInfoPrinter* pPrinter) override;
virtual std::unique_ptr<SalPrinter> CreatePrinter(SalInfoPrinter* pInfoPrinter) override;
virtual void GetPrinterQueueInfo(ImplPrnQueueList* pList) override;
virtual void GetPrinterQueueState(SalPrinterQueueInfo* pInfo) override;
virtual OUString GetDefaultPrinter() override;
virtual void PostPrintersChanged() override;
virtual std::unique_ptr<SalMenu> CreateMenu(bool, Menu*) override;
virtual std::unique_ptr<SalMenuItem> CreateMenuItem(const SalItemParams&) override;
virtual SalTimer* CreateSalTimer() override;
virtual SalSystem* CreateSalSystem() override;
virtual std::shared_ptr<SalBitmap> CreateSalBitmap() override;
virtual bool DoYield(bool bWait, bool bHandleAllCurrentEvents) override;
virtual bool AnyInput(VclInputFlags nType) override;
virtual weld::MessageDialog* CreateMessageDialog(weld::Widget* pParent,
VclMessageType eMessageType,
VclButtonsType eButtonType,
const OUString& rPrimaryMessage) override;
// so we fall back to the default abort, instead of duplicating it...
#ifndef EMSCRIPTEN
virtual OpenGLContext* CreateOpenGLContext() override;
#endif
virtual OUString GetConnectionIdentifier() override;
virtual void AddToRecentDocumentList(const OUString& rFileUrl, const OUString& rMimeType,
const OUString& rDocumentService) override;
virtual std::unique_ptr<GenPspGraphics> CreatePrintGraphics() override;
virtual bool IsMainThread() const override;
virtual void TriggerUserEventProcessing() override;
virtual void ProcessEvent(SalUserEvent aEvent) override;
bool hasNativeFileSelection() const override { return true; }
css::uno::Reference<css::ui::dialogs::XFilePicker2>
createFilePicker(const css::uno::Reference<css::uno::XComponentContext>&) override;
css::uno::Reference<css::ui::dialogs::XFolderPicker2>
createFolderPicker(const css::uno::Reference<css::uno::XComponentContext>&) override;
virtual css::uno::Reference<css::uno::XInterface>
CreateClipboard(const css::uno::Sequence<css::uno::Any>& i_rArguments) override;
virtual css::uno::Reference<css::uno::XInterface>
ImplCreateDragSource(const SystemEnvData*) override;
virtual css::uno::Reference<css::uno::XInterface>
ImplCreateDropTarget(const SystemEnvData*) override;
// whether to reduce animations; KFSalInstance overrides this to read Plasma settings
virtual bool GetUseReducedAnimation() { return false; }
void UpdateStyle(bool bFontsChanged);
void* CreateGStreamerSink(const SystemChildWindow*) override;
bool DoExecute(int& nExitCode) override;
void DoQuit() override;
QtFrame* activePopup() const { return m_pActivePopup; }
void setActivePopup(QtFrame*);
};
inline QtInstance* GetQtInstance() { return static_cast<QtInstance*>(GetSalInstance()); }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */