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