vcl/unx/kf5/KF5FilePicker.cxx

   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 #include "KF5FilePicker.hxx"
  21 #include <KF5FilePicker.moc>
  22
  23 #include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
  24 #include <cppuhelper/supportsservice.hxx>
  25 #include <osl/mutex.hxx>
  26
  27 #include <qt5/Qt5Instance.hxx>
  28
  29 #include <QtWidgets/QApplication>
  30 #include <QtWidgets/QGridLayout>
  31 #include <QtWidgets/QWidget>
  32 #include <KFileWidget>
  33
  34 using namespace ::com::sun::star;
  35 using ::com::sun::star::ui::dialogs::ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION;
  36
  37 namespace
  38 {
  39 uno::Sequence<OUString> FilePicker_getSupportedServiceNames()
  40 {
  41     return { "com.sun.star.ui.dialogs.FilePicker", "com.sun.star.ui.dialogs.SystemFilePicker",
  42              "com.sun.star.ui.dialogs.KF5FilePicker", "com.sun.star.ui.dialogs.KF5FolderPicker" };
  43 }
  44 }
  45
  46 // KF5FilePicker
  47
  48 KF5FilePicker::KF5FilePicker(css::uno::Reference<css::uno::XComponentContext> const& context,
  49                              QFileDialog::FileMode eMode)
  50     // Native kf5 filepicker does not add file extension automatically
  51     : Qt5FilePicker(context, eMode, true)
  52     , _layout(new QGridLayout(m_pExtraControls))
  53 {
  54     // only columns 0 and 1 are used by controls (s. Qt5FilePicker::addCustomControl);
  55     // set stretch for (unused) column 2 in order for the controls to only take the space
  56     // they actually need and avoid empty space in between
  57     _layout->setColumnStretch(2, 1);
  58
  59     // set layout so custom widgets show up in our native file dialog
  60     setCustomControlWidgetLayout(_layout.get());
  61
  62     m_pFileDialog->setSupportedSchemes({
  63         QStringLiteral("file"), QStringLiteral("ftp"), QStringLiteral("http"),
  64         QStringLiteral("https"), QStringLiteral("webdav"), QStringLiteral("webdavs"),
  65         QStringLiteral("smb"),
  66         QStringLiteral(""), // this makes removable devices shown
  67     });
  68
  69     // used to set the custom controls
  70     qApp->installEventFilter(this);
  71 }
  72
  73 // XFilePickerControlAccess
  74 void SAL_CALL KF5FilePicker::setValue(sal_Int16 controlId, sal_Int16 nControlAction,
  75                                       const uno::Any& value)
  76 {
  77     if (CHECKBOX_AUTOEXTENSION == controlId)
  78         // We ignore this one and rely on QFileDialog to provide the functionality
  79         return;
  80
  81     Qt5FilePicker::setValue(controlId, nControlAction, value);
  82 }
  83
  84 uno::Any SAL_CALL KF5FilePicker::getValue(sal_Int16 controlId, sal_Int16 nControlAction)
  85 {
  86     SolarMutexGuard g;
  87     auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
  88     assert(pSalInst);
  89     if (!pSalInst->IsMainThread())
  90     {
  91         uno::Any ret;
  92         pSalInst->RunInMainThread([&ret, this, controlId, nControlAction]() {
  93             ret = getValue(controlId, nControlAction);
  94         });
  95         return ret;
  96     }
  97
  98     if (CHECKBOX_AUTOEXTENSION == controlId)
  99         // We ignore this one and rely on QFileDialog to provide the function.
 100         // Always return false, to pretend we do not support this, otherwise
 101         // LO core would try to be smart and cut the extension in some places,
 102         // interfering with QFileDialog's handling of it. QFileDialog also
 103         // saves the value of the setting, so LO core is not needed for that either.
 104         return uno::Any(false);
 105
 106     return Qt5FilePicker::getValue(controlId, nControlAction);
 107 }
 108
 109 void SAL_CALL KF5FilePicker::enableControl(sal_Int16 controlId, sal_Bool enable)
 110 {
 111     if (CHECKBOX_AUTOEXTENSION == controlId)
 112         // We ignore this one and rely on QFileDialog to provide the functionality
 113         return;
 114
 115     Qt5FilePicker::enableControl(controlId, enable);
 116 }
 117
 118 void SAL_CALL KF5FilePicker::setLabel(sal_Int16 controlId, const OUString& label)
 119 {
 120     if (CHECKBOX_AUTOEXTENSION == controlId)
 121         // We ignore this one and rely on QFileDialog to provide the functionality
 122         return;
 123
 124     Qt5FilePicker::setLabel(controlId, label);
 125 }
 126
 127 OUString SAL_CALL KF5FilePicker::getLabel(sal_Int16 controlId)
 128 {
 129     // We ignore this one and rely on QFileDialog to provide the functionality
 130     if (CHECKBOX_AUTOEXTENSION == controlId)
 131         return "";
 132
 133     return Qt5FilePicker::getLabel(controlId);
 134 }
 135
 136 void KF5FilePicker::addCustomControl(sal_Int16 controlId)
 137 {
 138     // native kf5 filepicker has its own autoextension checkbox,
 139     // therefore avoid adding yet another one
 140     if (controlId == CHECKBOX_AUTOEXTENSION)
 141         return;
 142
 143     Qt5FilePicker::addCustomControl(controlId);
 144 }
 145
 146 // XServiceInfo
 147 OUString SAL_CALL KF5FilePicker::getImplementationName()
 148 {
 149     return "com.sun.star.ui.dialogs.KF5FilePicker";
 150 }
 151
 152 sal_Bool SAL_CALL KF5FilePicker::supportsService(const OUString& ServiceName)
 153 {
 154     return cppu::supportsService(this, ServiceName);
 155 }
 156
 157 uno::Sequence<OUString> SAL_CALL KF5FilePicker::getSupportedServiceNames()
 158 {
 159     return FilePicker_getSupportedServiceNames();
 160 }
 161
 162 bool KF5FilePicker::eventFilter(QObject* o, QEvent* e)
 163 {
 164     if (e->type() == QEvent::Show && o->isWidgetType())
 165     {
 166         auto* w = static_cast<QWidget*>(o);
 167         if (!w->parentWidget() && w->isModal())
 168         {
 169             if (auto* fileWidget = w->findChild<KFileWidget*>({}, Qt::FindDirectChildrenOnly))
 170             {
 171                 fileWidget->setCustomWidget(m_pExtraControls);
 172                 // remove event filter again; the only purpose was to set the custom widget here
 173                 qApp->removeEventFilter(this);
 174             }
 175         }
 176     }
 177     return QObject::eventFilter(o, e);
 178 }
 179
 180 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */