include/sfx2/LokControlHandler.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
  10 #pragma once
  11
  12 #include <sfx2/dllapi.h>
  13 #include <svx/svdouno.hxx>
  14 #include <vcl/window.hxx>
  15 #include <tools/UnitConversion.hxx>
  16 #include <com/sun/star/awt/PosSize.hpp>
  17 #include <com/sun/star/awt/XControl.hpp>
  18 #include <com/sun/star/awt/XWindow.hpp>
  19 #include <com/sun/star/awt/XWindowPeer.hpp>
  20 #include <com/sun/star/awt/XGraphics.hpp>
  21 #include <com/sun/star/awt/XView.hpp>
  22 #include <toolkit/helper/vclunohelper.hxx>
  23
  24 class LokControlHandler
  25 {
  26 public:
  27     static constexpr double convertMm100ToPixel(double fNumber) { return fNumber * 96.0 / 2540.0; }
  28
  29     static Point convertMm100ToPixel(const Point& rPoint)
  30     {
  31         return Point(convertMm100ToPixel(rPoint.getX()), convertMm100ToPixel(rPoint.getY()));
  32     }
  33
  34     static tools::Rectangle convertMm100ToPixel(const tools::Rectangle& rRectangle)
  35     {
  36         return tools::Rectangle(convertMm100ToPixel(rRectangle.TopLeft()),
  37                                 Size(convertMm100ToPixel(rRectangle.GetWidth()),
  38                                      convertMm100ToPixel(rRectangle.GetHeight())));
  39     }
  40
  41     static Point convertTwipToMm100(const Point& rPoint)
  42     {
  43         return Point(::convertTwipToMm100(sal_Int64(rPoint.getX())),
  44                      ::convertTwipToMm100(sal_Int64(rPoint.getY())));
  45     }
  46
  47     static tools::Rectangle convertTwipToMm100(const tools::Rectangle& rRectangle)
  48     {
  49         return tools::Rectangle(convertTwipToMm100(rRectangle.TopLeft()),
  50                                 Size(::convertTwipToMm100(rRectangle.GetWidth()),
  51                                      ::convertTwipToMm100(rRectangle.GetHeight())));
  52     }
  53
  54     static bool postMouseEvent(SdrPage* pPage, SdrView* pDrawView, vcl::Window const& rMainWindow,
  55                                int nType, Point aPointHmm, int nCount, int nButtons, int nModifier)
  56     {
  57         SdrObjListIter aIterator(pPage, SdrIterMode::Flat);
  58         while (aIterator.IsMore())
  59         {
  60             SdrObject* pObject = aIterator.Next();
  61             SdrUnoObj* pUnoObect = dynamic_cast<SdrUnoObj*>(pObject);
  62             if (pUnoObect)
  63             {
  64                 tools::Rectangle aControlRectHMM = pUnoObect->GetLogicRect();
  65                 if (aControlRectHMM.IsInside(aPointHmm))
  66                 {
  67                     css::uno::Reference<css::awt::XControl> xControl
  68                         = pUnoObect->GetUnoControl(*pDrawView, rMainWindow);
  69                     if (!xControl.is())
  70                         return false;
  71
  72                     css::uno::Reference<css::awt::XWindow> xControlWindow(xControl,
  73                                                                           css::uno::UNO_QUERY);
  74                     if (!xControlWindow.is())
  75                         return false;
  76
  77                     css::uno::Reference<css::awt::XWindowPeer> xWindowPeer(xControl->getPeer());
  78
  79                     VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWindowPeer);
  80                     if (pWindow)
  81                     {
  82                         Point aControlRelativePositionHMM = aPointHmm - aControlRectHMM.TopLeft();
  83                         Point aControlRelativePosition
  84                             = convertMm100ToPixel(aControlRelativePositionHMM);
  85
  86                         LokMouseEventData aMouseEventData(nType, aControlRelativePosition, nCount,
  87                                                           MouseEventModifiers::SIMPLECLICK,
  88                                                           nButtons, nModifier);
  89
  90                         SfxLokHelper::postMouseEventAsync(pWindow, aMouseEventData);
  91                         return true;
  92                     }
  93                 }
  94             }
  95         }
  96         return false;
  97     }
  98
  99     static void drawUnoControl(SdrView* pDrawView, SdrUnoObj* pUnoObect,
 100                                vcl::Window const& rMainWindow, VirtualDevice& rDevice,
 101                                tools::Rectangle const& rTileRectHMM, double scaleX, double scaleY)
 102     {
 103         css::uno::Reference<css::awt::XControl> xControl
 104             = pUnoObect->GetUnoControl(*pDrawView, rMainWindow);
 105         if (!xControl.is())
 106             return;
 107
 108         css::uno::Reference<css::awt::XWindow> xControlWindow(xControl, css::uno::UNO_QUERY);
 109         if (!xControlWindow.is())
 110             return;
 111
 112         css::uno::Reference<css::awt::XGraphics> xGraphics(rDevice.CreateUnoGraphics());
 113         if (!xGraphics.is())
 114             return;
 115
 116         css::uno::Reference<css::awt::XView> xControlView(xControl, css::uno::UNO_QUERY);
 117         if (!xControlView.is())
 118             return;
 119
 120         tools::Rectangle aObjectRectHMM = pUnoObect->GetLogicRect();
 121         Point aOffsetFromTile = Point(aObjectRectHMM.Left() - rTileRectHMM.Left(),
 122                                       aObjectRectHMM.Top() - rTileRectHMM.Top());
 123         tools::Rectangle aRectangleHMM(aOffsetFromTile, aObjectRectHMM.GetSize());
 124         tools::Rectangle aRectanglePx = convertMm100ToPixel(aRectangleHMM);
 125
 126         xControlWindow->setPosSize(0, 0, aRectanglePx.GetWidth(), aRectanglePx.GetHeight(),
 127                                    css::awt::PosSize::POSSIZE);
 128
 129         xControlView->setGraphics(xGraphics);
 130
 131         xControlView->draw(aRectanglePx.Left() * scaleX, aRectanglePx.Top() * scaleY);
 132     }
 133
 134     static void paintControlTile(SdrPage* pPage, SdrView* pDrawView, vcl::Window const& rMainWindow,
 135                                  VirtualDevice& rDevice, Size aOutputSize,
 136                                  tools::Rectangle const& rTileRect)
 137     {
 138         tools::Rectangle aTileRectHMM = convertTwipToMm100(rTileRect);
 139
 140         // Resizes the virtual device so to contain the entries context
 141         rDevice.SetOutputSizePixel(aOutputSize);
 142
 143         rDevice.Push(PushFlags::MAPMODE);
 144         MapMode aDeviceMapMode(rDevice.GetMapMode());
 145
 146         Fraction scaleX
 147             = Fraction(aOutputSize.Width(), 96) * Fraction(1440) / Fraction(rTileRect.GetWidth());
 148         Fraction scaleY
 149             = Fraction(aOutputSize.Height(), 96) * Fraction(1440) / Fraction(rTileRect.GetHeight());
 150
 151         aDeviceMapMode.SetScaleX(scaleX);
 152         aDeviceMapMode.SetScaleY(scaleY);
 153         rDevice.SetMapMode(aDeviceMapMode);
 154
 155         SdrObjListIter aIterator(pPage, SdrIterMode::Flat);
 156
 157         while (aIterator.IsMore())
 158         {
 159             SdrObject* pObject = aIterator.Next();
 160             SdrUnoObj* pUnoObect = dynamic_cast<SdrUnoObj*>(pObject);
 161             if (pUnoObect)
 162             {
 163                 tools::Rectangle aObjectRectHMM = pUnoObect->GetLogicRect();
 164
 165                 // Check if we intersect with the tile rectangle and we
 166                 // need to draw the control.
 167                 if (aObjectRectHMM.IsOver(aTileRectHMM))
 168                 {
 169                     drawUnoControl(pDrawView, pUnoObect, rMainWindow, rDevice, aTileRectHMM,
 170                                    double(scaleX), double(scaleY));
 171                 }
 172             }
 173         }
 174
 175         rDevice.Pop();
 176     }
 177 };
 178
 179 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */