src/plugins/platforms/directfb/qdirectfbwindow.cpp

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  41
  42 #include "qdirectfbwindow.h"
  43 #include "qdirectfbbackingstore.h"
  44 #include "qdirectfbinput.h"
  45 #include "qdirectfbscreen.h"
  46
  47 #include <QtGui/qwindowsysteminterface.h>
  48
  49 #include <directfb.h>
  50
  51 QT_BEGIN_NAMESPACE
  52
  53 QDirectFbWindow::QDirectFbWindow(QWindow *tlw, QDirectFbInput *inputhandler)
  54     : QPlatformWindow(tlw), m_inputHandler(inputhandler)
  55 {
  56 }
  57
  58 void QDirectFbWindow::createDirectFBWindow()
  59 {
  60     Q_ASSERT(!m_dfbWindow.data());
  61
  62     DFBDisplayLayerConfig layerConfig;
  63     IDirectFBDisplayLayer *layer;
  64
  65     layer = toDfbScreen(window())->dfbLayer();
  66     layer->GetConfiguration(layer, &layerConfig);
  67
  68     DFBWindowDescription description;
  69     memset(&description,0,sizeof(DFBWindowDescription));
  70     description.flags = DFBWindowDescriptionFlags(DWDESC_WIDTH|DWDESC_HEIGHT|DWDESC_POSX|DWDESC_POSY|DWDESC_SURFACE_CAPS
  71                                                   |DWDESC_OPTIONS
  72                                                   |DWDESC_CAPS);
  73     description.width = qMax(1, window()->width());
  74     description.height = qMax(1, window()->height());
  75     description.posx = window()->x();
  76     description.posy = window()->y();
  77
  78     if (layerConfig.surface_caps & DSCAPS_PREMULTIPLIED)
  79         description.surface_caps = DSCAPS_PREMULTIPLIED;
  80     description.pixelformat = layerConfig.pixelformat;
  81
  82     description.options = DFBWindowOptions(DWOP_ALPHACHANNEL);
  83     description.caps = DFBWindowCapabilities(DWCAPS_DOUBLEBUFFER|DWCAPS_ALPHACHANNEL);
  84
  85     DFBResult result = layer->CreateWindow(layer, &description, m_dfbWindow.outPtr());
  86     if (result != DFB_OK)
  87         DirectFBError("QDirectFbWindow: failed to create window", result);
  88
  89     m_dfbWindow->SetOpacity(m_dfbWindow.data(), 0xff);
  90     m_inputHandler->addWindow(m_dfbWindow.data(), window());
  91 }
  92
  93 QDirectFbWindow::~QDirectFbWindow()
  94 {
  95     m_inputHandler->removeWindow(m_dfbWindow.data());
  96     m_dfbWindow->Destroy(m_dfbWindow.data());
  97 }
  98
  99 void QDirectFbWindow::setGeometry(const QRect &rect)
 100 {
 101 //    bool isMoveOnly = (rect.topLeft() != geometry().topLeft()) && (rect.size() == geometry().size());
 102
 103     QPlatformWindow::setGeometry(rect);
 104     if (window()->isVisible()) {
 105         m_dfbWindow->SetBounds(m_dfbWindow.data(), rect.x(),rect.y(),
 106                                rect.width(), rect.height());
 107 // ### TODO port, verify if this is needed
 108 #if 0
 109         //Hack. When moving since the WindowSurface of a window becomes invalid when moved
 110         if (isMoveOnly) { //if resize then windowsurface is updated.
 111             widget()->windowSurface()->resize(rect.size());
 112             window()->update();
 113         }
 114 #endif
 115     }
 116 }
 117
 118 void QDirectFbWindow::setOpacity(qreal level)
 119 {
 120     const quint8 windowOpacity = quint8(level * 0xff);
 121     m_dfbWindow->SetOpacity(m_dfbWindow.data(), windowOpacity);
 122 }
 123
 124 void QDirectFbWindow::setVisible(bool visible)
 125 {
 126     if (visible) {
 127         int x = geometry().x();
 128         int y = geometry().y();
 129         m_dfbWindow->MoveTo(m_dfbWindow.data(), x, y);
 130     } else {
 131         QDirectFBPointer<IDirectFBDisplayLayer> displayLayer;
 132         QDirectFbConvenience::dfbInterface()->GetDisplayLayer(QDirectFbConvenience::dfbInterface(), DLID_PRIMARY, displayLayer.outPtr());
 133
 134         DFBDisplayLayerConfig config;
 135         displayLayer->GetConfiguration(displayLayer.data(), &config);
 136         m_dfbWindow->MoveTo(m_dfbWindow.data(), config. width + 1, config.height + 1);
 137     }
 138
 139     if (window()->isTopLevel() && visible)
 140         QWindowSystemInterface::handleExposeEvent(window(), window()->geometry());
 141 }
 142
 143 Qt::WindowFlags QDirectFbWindow::setWindowFlags(Qt::WindowFlags flags)
 144 {
 145     switch (flags & Qt::WindowType_Mask) {
 146     case Qt::ToolTip: {
 147         DFBWindowOptions options;
 148         m_dfbWindow->GetOptions(m_dfbWindow.data(), &options);
 149         options = DFBWindowOptions(options | DWOP_GHOST);
 150         m_dfbWindow->SetOptions(m_dfbWindow.data(), options);
 151         break; }
 152     default:
 153         break;
 154     }
 155
 156     m_dfbWindow->SetStackingClass(m_dfbWindow.data(), flags & Qt::WindowStaysOnTopHint ? DWSC_UPPER : DWSC_MIDDLE);
 157     return flags;
 158 }
 159
 160 void QDirectFbWindow::raise()
 161 {
 162     m_dfbWindow->RaiseToTop(m_dfbWindow.data());
 163 }
 164
 165 void QDirectFbWindow::lower()
 166 {
 167     m_dfbWindow->LowerToBottom(m_dfbWindow.data());
 168 }
 169
 170 WId QDirectFbWindow::winId() const
 171 {
 172     DFBWindowID id;
 173     m_dfbWindow->GetID(m_dfbWindow.data(), &id);
 174     return WId(id);
 175 }
 176
 177 bool QDirectFbWindow::setKeyboardGrabEnabled(bool grab)
 178 {
 179     DFBResult res;
 180
 181     if (grab)
 182         res = m_dfbWindow->GrabKeyboard(m_dfbWindow.data());
 183     else
 184         res = m_dfbWindow->UngrabKeyboard(m_dfbWindow.data());
 185
 186     return res == DFB_OK;
 187 }
 188
 189 bool QDirectFbWindow::setMouseGrabEnabled(bool grab)
 190 {
 191     DFBResult res;
 192
 193     if (grab)
 194         res = m_dfbWindow->GrabPointer(m_dfbWindow.data());
 195     else
 196         res = m_dfbWindow->UngrabPointer(m_dfbWindow.data());
 197
 198     return res == DFB_OK;
 199 }
 200
 201 IDirectFBWindow *QDirectFbWindow::dfbWindow() const
 202 {
 203     return m_dfbWindow.data();
 204 }
 205
 206 IDirectFBSurface *QDirectFbWindow::dfbSurface()
 207 {
 208     if (!m_dfbSurface) {
 209         DFBResult res = m_dfbWindow->GetSurface(m_dfbWindow.data(), m_dfbSurface.outPtr());
 210         if (res != DFB_OK)
 211             DirectFBError(QDFB_PRETTY, res);
 212     }
 213
 214     return m_dfbSurface.data();
 215 }
 216
 217 QT_END_NAMESPACE