vcl/qt5/Qt5Tools.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 <Qt5Tools.hxx>
  21
  22 #include <cairo.h>
  23
  24 #include <tools/stream.hxx>
  25 #include <vcl/event.hxx>
  26 #include <vcl/image.hxx>
  27 #include <vcl/pngwrite.hxx>
  28
  29 #include <QtGui/QImage>
  30
  31 void CairoDeleter::operator()(cairo_surface_t* pSurface) const { cairo_surface_destroy(pSurface); }
  32
  33 sal_uInt16 GetKeyModCode(Qt::KeyboardModifiers eKeyModifiers)
  34 {
  35     sal_uInt16 nCode = 0;
  36     if (eKeyModifiers & Qt::ShiftModifier)
  37         nCode |= KEY_SHIFT;
  38     if (eKeyModifiers & Qt::ControlModifier)
  39         nCode |= KEY_MOD1;
  40     if (eKeyModifiers & Qt::AltModifier)
  41         nCode |= KEY_MOD2;
  42     if (eKeyModifiers & Qt::MetaModifier)
  43         nCode |= KEY_MOD3;
  44     return nCode;
  45 }
  46
  47 sal_uInt16 GetMouseModCode(Qt::MouseButtons eButtons)
  48 {
  49     sal_uInt16 nCode = 0;
  50     if (eButtons & Qt::LeftButton)
  51         nCode |= MOUSE_LEFT;
  52     if (eButtons & Qt::MiddleButton)
  53         nCode |= MOUSE_MIDDLE;
  54     if (eButtons & Qt::RightButton)
  55         nCode |= MOUSE_RIGHT;
  56     return nCode;
  57 }
  58
  59 Qt::DropActions toQtDropActions(sal_Int8 dragOperation)
  60 {
  61     Qt::DropActions eRet = Qt::IgnoreAction;
  62     if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_COPY)
  63         eRet |= Qt::CopyAction;
  64     if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_MOVE)
  65         eRet |= Qt::MoveAction;
  66     if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_LINK)
  67         eRet |= Qt::LinkAction;
  68     return eRet;
  69 }
  70
  71 sal_Int8 toVclDropActions(Qt::DropActions dragOperation)
  72 {
  73     sal_Int8 nRet(0);
  74     if (dragOperation & Qt::CopyAction)
  75         nRet |= css::datatransfer::dnd::DNDConstants::ACTION_COPY;
  76     if (dragOperation & Qt::MoveAction)
  77         nRet |= css::datatransfer::dnd::DNDConstants::ACTION_MOVE;
  78     if (dragOperation & Qt::LinkAction)
  79         nRet |= css::datatransfer::dnd::DNDConstants::ACTION_LINK;
  80     return nRet;
  81 }
  82
  83 sal_Int8 toVclDropAction(Qt::DropAction dragOperation)
  84 {
  85     sal_Int8 nRet(0);
  86     if (dragOperation == Qt::CopyAction)
  87         nRet = css::datatransfer::dnd::DNDConstants::ACTION_COPY;
  88     else if (dragOperation == Qt::MoveAction)
  89         nRet = css::datatransfer::dnd::DNDConstants::ACTION_MOVE;
  90     else if (dragOperation == Qt::LinkAction)
  91         nRet = css::datatransfer::dnd::DNDConstants::ACTION_LINK;
  92     return nRet;
  93 }
  94
  95 Qt::DropAction getPreferredDropAction(sal_Int8 dragOperation)
  96 {
  97     Qt::DropAction eAct = Qt::IgnoreAction;
  98     if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_MOVE)
  99         eAct = Qt::MoveAction;
 100     else if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_COPY)
 101         eAct = Qt::CopyAction;
 102     else if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_LINK)
 103         eAct = Qt::LinkAction;
 104     return eAct;
 105 }
 106
 107 QImage toQImage(const Image& rImage)
 108 {
 109     QImage aImage;
 110
 111     if (!!rImage)
 112     {
 113         SvMemoryStream aMemStm;
 114         vcl::PNGWriter aWriter(rImage.GetBitmapEx());
 115         aWriter.Write(aMemStm);
 116         aImage.loadFromData(static_cast<const uchar*>(aMemStm.GetData()), aMemStm.TellEnd());
 117     }
 118
 119     return aImage;
 120 }
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */