vcl/inc/qt5/Qt5Instance.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 "Qt5FilePicker.hxx"
  37
  38 class Qt5Timer;
  39
  40 class QApplication;
  41 class SalYieldMutex;
  42 class SalFrame;
  43
  44 struct StdFreeCStr
  45 {
  46     void operator()(char* arg) const noexcept { std::free(arg); }
  47 };
  48 using FreeableCStr = std::unique_ptr<char[], StdFreeCStr>;
  49
  50 class VCLPLUG_QT5_PUBLIC Qt5Instance : public QObject,
  51                                        public SalGenericInstance,
  52                                        public SalUserEventList
  53 {
  54     Q_OBJECT
  55
  56     osl::Condition m_aWaitingYieldCond;
  57     const bool m_bUseCairo;
  58     Qt5Timer* m_pTimer;
  59     bool m_bSleeping;
  60     std::unordered_map<OUString, css::uno::Reference<css::uno::XInterface>> m_aClipboards;
  61
  62     std::unique_ptr<QApplication> m_pQApplication;
  63     std::vector<FreeableCStr> m_pFakeArgvFreeable;
  64     std::unique_ptr<char* []> m_pFakeArgv;
  65     std::unique_ptr<int> m_pFakeArgc;
  66
  67     Timer m_aUpdateStyleTimer;
  68     bool m_bUpdateFonts;
  69
  70     DECL_LINK(updateStyleHdl, Timer*, void);
  71     void AfterAppInit() override;
  72
  73 private Q_SLOTS:
  74     bool ImplYield(bool bWait, bool bHandleAllCurrentEvents);
  75     static void deleteObjectLater(QObject* pObject);
  76
  77 Q_SIGNALS:
  78     bool ImplYieldSignal(bool bWait, bool bHandleAllCurrentEvents);
  79     void deleteObjectLaterSignal(QObject* pObject);
  80
  81 protected:
  82     virtual Qt5FilePicker*
  83     createPicker(css::uno::Reference<css::uno::XComponentContext> const& context,
  84                  QFileDialog::FileMode);
  85     bool useCairo() const { return m_bUseCairo; }
  86
  87 public:
  88     explicit Qt5Instance(std::unique_ptr<QApplication>& pQApp, bool bUseCairo = false);
  89     virtual ~Qt5Instance() override;
  90
  91     // handle common SalInstance setup
  92     static void AllocFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv,
  93                                      std::unique_ptr<int>& rFakeArgc,
  94                                      std::vector<FreeableCStr>& rFakeArgvFreeable);
  95     void MoveFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv, std::unique_ptr<int>& rFakeArgc,
  96                              std::vector<FreeableCStr>& rFakeArgvFreeable);
  97     static std::unique_ptr<QApplication> CreateQApplication(int& nArgc, char** pArgv);
  98
  99     void RunInMainThread(std::function<void()> func);
 100
 101     virtual SalFrame* CreateFrame(SalFrame* pParent, SalFrameStyleFlags nStyle) override;
 102     virtual SalFrame* CreateChildFrame(SystemParentData* pParent,
 103                                        SalFrameStyleFlags nStyle) override;
 104     virtual void DestroyFrame(SalFrame* pFrame) override;
 105
 106     virtual SalObject* CreateObject(SalFrame* pParent, SystemWindowData* pWindowData,
 107                                     bool bShow) override;
 108     virtual void DestroyObject(SalObject* pObject) override;
 109
 110     virtual std::unique_ptr<SalVirtualDevice>
 111     CreateVirtualDevice(SalGraphics* pGraphics, tools::Long& nDX, tools::Long& nDY,
 112                         DeviceFormat eFormat, const SystemGraphicsData* pData = nullptr) override;
 113
 114     virtual SalInfoPrinter* CreateInfoPrinter(SalPrinterQueueInfo* pQueueInfo,
 115                                               ImplJobSetup* pSetupData) override;
 116     virtual void DestroyInfoPrinter(SalInfoPrinter* pPrinter) override;
 117     virtual std::unique_ptr<SalPrinter> CreatePrinter(SalInfoPrinter* pInfoPrinter) override;
 118     virtual void GetPrinterQueueInfo(ImplPrnQueueList* pList) override;
 119     virtual void GetPrinterQueueState(SalPrinterQueueInfo* pInfo) override;
 120     virtual OUString GetDefaultPrinter() override;
 121     virtual void PostPrintersChanged() override;
 122
 123     virtual std::unique_ptr<SalMenu> CreateMenu(bool, Menu*) override;
 124     virtual std::unique_ptr<SalMenuItem> CreateMenuItem(const SalItemParams&) override;
 125
 126     virtual SalTimer* CreateSalTimer() override;
 127     virtual SalSystem* CreateSalSystem() override;
 128     virtual std::shared_ptr<SalBitmap> CreateSalBitmap() override;
 129
 130     virtual bool DoYield(bool bWait, bool bHandleAllCurrentEvents) override;
 131     virtual bool AnyInput(VclInputFlags nType) override;
 132
 133     virtual OpenGLContext* CreateOpenGLContext() override;
 134
 135     virtual OUString GetConnectionIdentifier() override;
 136
 137     virtual void AddToRecentDocumentList(const OUString& rFileUrl, const OUString& rMimeType,
 138                                          const OUString& rDocumentService) override;
 139
 140     virtual std::unique_ptr<GenPspGraphics> CreatePrintGraphics() override;
 141
 142     virtual bool IsMainThread() const override;
 143
 144     virtual void TriggerUserEventProcessing() override;
 145     virtual void ProcessEvent(SalUserEvent aEvent) override;
 146
 147     bool hasNativeFileSelection() const override { return true; }
 148     css::uno::Reference<css::ui::dialogs::XFilePicker2>
 149     createFilePicker(const css::uno::Reference<css::uno::XComponentContext>&) override;
 150     css::uno::Reference<css::ui::dialogs::XFolderPicker2>
 151     createFolderPicker(const css::uno::Reference<css::uno::XComponentContext>&) override;
 152
 153     virtual css::uno::Reference<css::uno::XInterface>
 154     CreateClipboard(const css::uno::Sequence<css::uno::Any>& i_rArguments) override;
 155     virtual css::uno::Reference<css::uno::XInterface> CreateDragSource() override;
 156     virtual css::uno::Reference<css::uno::XInterface> CreateDropTarget() override;
 157
 158     void UpdateStyle(bool bFontsChanged);
 159
 160     void* CreateGStreamerSink(const SystemChildWindow*) override;
 161 };
 162
 163 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */