vcl/inc/qt5/QtInstance.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <vclpluginapi.h>
  23 #include <unx/geninst.h>
  24 #include <salusereventlist.hxx>
  25 #include <vcl/timer.hxx>
  26
  27 #include <osl/conditn.hxx>
  28
  29 #include <QtCore/QObject>
  30
  31 #include <cstdlib>
  32 #include <functional>
  33 #include <memory>
  34 #include <vector>
  35
  36 #include "QtFilePicker.hxx"
  37
  38 class QtFrame;
  39 class QtTimer;
  40
  41 class QApplication;
  42 class SalYieldMutex;
  43 class SalFrame;
  44
  45 struct StdFreeCStr
  46 {
  47     void operator()(char* arg) const noexcept { std::free(arg); }
  48 };
  49 using FreeableCStr = std::unique_ptr<char[], StdFreeCStr>;
  50
  51 class VCLPLUG_QT_PUBLIC QtInstance : public QObject,
  52                                      public SalGenericInstance,
  53                                      public SalUserEventList
  54 {
  55     Q_OBJECT
  56
  57     osl::Condition m_aWaitingYieldCond;
  58     const bool m_bUseCairo;
  59     QtTimer* m_pTimer;
  60     bool m_bSleeping;
  61     std::unordered_map<OUString, css::uno::Reference<css::uno::XInterface>> m_aClipboards;
  62
  63     std::unique_ptr<QApplication> m_pQApplication;
  64     std::vector<FreeableCStr> m_pFakeArgvFreeable;
  65     std::unique_ptr<char* []> m_pFakeArgv;
  66     std::unique_ptr<int> m_pFakeArgc;
  67
  68     Timer m_aUpdateStyleTimer;
  69     bool m_bUpdateFonts;
  70
  71     QtFrame* m_pActivePopup;
  72
  73     DECL_DLLPRIVATE_LINK(updateStyleHdl, Timer*, void);
  74     void AfterAppInit() override;
  75
  76 private Q_SLOTS:
  77     bool ImplYield(bool bWait, bool bHandleAllCurrentEvents);
  78     static void deleteObjectLater(QObject* pObject);
  79     static void localeChanged();
  80
  81     void orientationChanged(Qt::ScreenOrientation);
  82     void primaryScreenChanged(QScreen*);
  83     void screenAdded(QScreen*);
  84     void screenRemoved(QScreen*);
  85     void virtualGeometryChanged(const QRect&);
  86
  87 Q_SIGNALS:
  88     bool ImplYieldSignal(bool bWait, bool bHandleAllCurrentEvents);
  89     void deleteObjectLaterSignal(QObject* pObject);
  90
  91 protected:
  92     virtual rtl::Reference<QtFilePicker>
  93     createPicker(css::uno::Reference<css::uno::XComponentContext> const& context,
  94                  QFileDialog::FileMode);
  95     bool useCairo() const { return m_bUseCairo; }
  96     // encodes cairo usage and Qt platform name into the ToolkitName
  97     OUString constructToolkitID(std::u16string_view sTKname);
  98     void connectQScreenSignals(const QScreen*);
  99     void notifyDisplayChanged();
 100
 101 public:
 102     explicit QtInstance(std::unique_ptr<QApplication>& pQApp);
 103     virtual ~QtInstance() override;
 104
 105     // handle common SalInstance setup
 106     static void AllocFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv,
 107                                      std::unique_ptr<int>& rFakeArgc,
 108                                      std::vector<FreeableCStr>& rFakeArgvFreeable);
 109     void MoveFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv, std::unique_ptr<int>& rFakeArgc,
 110                              std::vector<FreeableCStr>& rFakeArgvFreeable);
 111     static std::unique_ptr<QApplication> CreateQApplication(int& nArgc, char** pArgv);
 112
 113     void RunInMainThread(std::function<void()> func);
 114
 115     virtual SalFrame* CreateFrame(SalFrame* pParent, SalFrameStyleFlags nStyle) override;
 116     virtual SalFrame* CreateChildFrame(SystemParentData* pParent,
 117                                        SalFrameStyleFlags nStyle) override;
 118     virtual void DestroyFrame(SalFrame* pFrame) override;
 119
 120     virtual SalObject* CreateObject(SalFrame* pParent, SystemWindowData* pWindowData,
 121                                     bool bShow) override;
 122     virtual void DestroyObject(SalObject* pObject) override;
 123
 124     virtual std::unique_ptr<SalVirtualDevice>
 125     CreateVirtualDevice(SalGraphics& rGraphics, tools::Long& nDX, tools::Long& nDY,
 126                         DeviceFormat eFormat, const SystemGraphicsData* pData = nullptr) override;
 127
 128     virtual SalInfoPrinter* CreateInfoPrinter(SalPrinterQueueInfo* pQueueInfo,
 129                                               ImplJobSetup* pSetupData) override;
 130     virtual void DestroyInfoPrinter(SalInfoPrinter* pPrinter) override;
 131     virtual std::unique_ptr<SalPrinter> CreatePrinter(SalInfoPrinter* pInfoPrinter) override;
 132     virtual void GetPrinterQueueInfo(ImplPrnQueueList* pList) override;
 133     virtual void GetPrinterQueueState(SalPrinterQueueInfo* pInfo) override;
 134     virtual OUString GetDefaultPrinter() override;
 135     virtual void PostPrintersChanged() override;
 136
 137     virtual std::unique_ptr<SalMenu> CreateMenu(bool, Menu*) override;
 138     virtual std::unique_ptr<SalMenuItem> CreateMenuItem(const SalItemParams&) override;
 139
 140     virtual SalTimer* CreateSalTimer() override;
 141     virtual SalSystem* CreateSalSystem() override;
 142     virtual std::shared_ptr<SalBitmap> CreateSalBitmap() override;
 143
 144     virtual bool DoYield(bool bWait, bool bHandleAllCurrentEvents) override;
 145     virtual bool AnyInput(VclInputFlags nType) override;
 146
 147 // so we fall back to the default abort, instead of duplicating it...
 148 #ifndef EMSCRIPTEN
 149     virtual OpenGLContext* CreateOpenGLContext() override;
 150 #endif
 151
 152     virtual OUString GetConnectionIdentifier() override;
 153
 154     virtual void AddToRecentDocumentList(const OUString& rFileUrl, const OUString& rMimeType,
 155                                          const OUString& rDocumentService) override;
 156
 157     virtual std::unique_ptr<GenPspGraphics> CreatePrintGraphics() override;
 158
 159     virtual bool IsMainThread() const override;
 160
 161     virtual void TriggerUserEventProcessing() override;
 162     virtual void ProcessEvent(SalUserEvent aEvent) override;
 163
 164     bool hasNativeFileSelection() const override { return true; }
 165     css::uno::Reference<css::ui::dialogs::XFilePicker2>
 166     createFilePicker(const css::uno::Reference<css::uno::XComponentContext>&) override;
 167     css::uno::Reference<css::ui::dialogs::XFolderPicker2>
 168     createFolderPicker(const css::uno::Reference<css::uno::XComponentContext>&) override;
 169
 170     virtual css::uno::Reference<css::uno::XInterface>
 171     CreateClipboard(const css::uno::Sequence<css::uno::Any>& i_rArguments) override;
 172     virtual css::uno::Reference<css::uno::XInterface>
 173     ImplCreateDragSource(const SystemEnvData*) override;
 174     virtual css::uno::Reference<css::uno::XInterface>
 175     ImplCreateDropTarget(const SystemEnvData*) override;
 176
 177     // whether to reduce animations; KFSalInstance overrides this to read Plasma settings
 178     virtual bool GetUseReducedAnimation() { return false; }
 179     void UpdateStyle(bool bFontsChanged);
 180
 181     void* CreateGStreamerSink(const SystemChildWindow*) override;
 182
 183     bool DoExecute(int& nExitCode) override;
 184     void DoQuit() override;
 185
 186     QtFrame* activePopup() const { return m_pActivePopup; }
 187     void setActivePopup(QtFrame*);
 188 };
 189
 190 inline QtInstance* GetQtInstance() { return static_cast<QtInstance*>(GetSalInstance()); }
 191
 192 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */