git.maemo.org Git - dorian/blob - adopterwindow.cpp

   1 #include <QtGui>
   2
   3 #if defined(Q_WS_MAEMO_5)
   4 #   include <QtGui/QX11Info>
   5 #   include <X11/Xlib.h>
   6 #   include <X11/Xatom.h>
   7 #   include <QAbstractKineticScroller>
   8 #endif
   9
  10 #include "adopterwindow.h"
  11 #include "trace.h"
  12 #include "bookview.h"
  13 #include "platform.h"
  14 #include "settings.h"
  15 #include "progress.h"
  16 #include "translucentbutton.h"
  17
  18 AdopterWindow::AdopterWindow(QWidget *parent): MainBase(parent), bookView(0),
  19     grabbingVolumeKeys(false), progress(0), previousButton(0), nextButton(0)
  20 {
  21     TRACE;
  22
  23     // Monitor settings
  24     connect(Settings::instance(), SIGNAL(valueChanged(const QString &)),
  25             this, SLOT(onSettingsChanged(const QString &)));
  26
  27 }
  28
  29 void AdopterWindow::takeBookView(BookView *view,
  30                                  Progress *prog,
  31                                  TranslucentButton *previous,
  32                                  TranslucentButton *next)
  33 {
  34     TRACE;
  35
  36     Q_ASSERT(view);
  37     Q_ASSERT(prog);
  38     Q_ASSERT(previous);
  39     Q_ASSERT(next);
  40
  41     leaveBookView();
  42
  43     bookView = view;
  44     bookView->setParent(this);
  45     centralWidget()->layout()->addWidget(bookView);
  46     bookView->show();
  47
  48     progress = prog;
  49     previousButton = previous;
  50     nextButton = next;
  51     progress->setParent(this);
  52     previousButton->setParent(this);
  53     nextButton->setParent(this);
  54
  55     // Handle page and/or volume keys
  56     connect(this, SIGNAL(pageUp()), this, SLOT(onPageUp()),
  57             Qt::QueuedConnection);
  58     connect(this, SIGNAL(pageDown()), this, SLOT(onPageDown()),
  59             Qt::QueuedConnection);
  60 }
  61
  62 void AdopterWindow::leaveBookView()
  63 {
  64     TRACE;
  65     if (bookView) {
  66         bookView->hide();
  67         centralWidget()->layout()->removeWidget(bookView);
  68     }
  69     bookView = 0;
  70     progress = 0;
  71     nextButton = 0;
  72     previousButton = 0;
  73     disconnect(this, SLOT(onPageUp()));
  74     disconnect(this, SLOT(onPageDown()));
  75 }
  76
  77 bool AdopterWindow::hasBookView()
  78 {
  79     return bookView != 0;
  80 }
  81
  82 void AdopterWindow::grabVolumeKeys(bool grab)
  83 {
  84     TRACE;
  85     grabbingVolumeKeys = grab;
  86 #ifdef Q_WS_MAEMO_5
  87     doGrabVolumeKeys(grab);
  88 #endif
  89 }
  90
  91 #ifdef Q_WS_MAEMO_5
  92
  93 void AdopterWindow::doGrabVolumeKeys(bool grab)
  94 {
  95     TRACE;
  96     if (!isVisible()) {
  97         qDebug() << "Not visible - skipping";
  98         return;
  99     }
 100     if (!winId()) {
 101         qDebug() << "Could not get window ID - skipping";
 102         return;
 103     }
 104     unsigned long val = grab? 1: 0;
 105     Atom atom =
 106             XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
 107     if (!atom) {
 108         qCritical() << "Unable to obtain _HILDON_ZOOM_KEY_ATOM";
 109         return;
 110     }
 111     XChangeProperty(QX11Info::display(),
 112         winId(),
 113         atom,
 114         XA_INTEGER,
 115         32,
 116         PropModeReplace,
 117         reinterpret_cast<unsigned char *>(&val),
 118         1);
 119     qDebug() << "Grabbed volume keys";
 120 }
 121
 122 #endif // Q_WS_MAEMO_5
 123
 124 void AdopterWindow::showEvent(QShowEvent *e)
 125 {
 126     Trace t("AdopterWindow::showEvent");
 127
 128     MainBase::showEvent(e);
 129 #if defined(Q_WS_MAEMO_5)
 130     doGrabVolumeKeys(grabbingVolumeKeys);
 131 #endif
 132     placeDecorations();
 133 }
 134
 135 void AdopterWindow::resizeEvent(QResizeEvent *event)
 136 {
 137     Trace t("AdopterWindow::resizeEvent");
 138 #if defined(Q_OS_SYMBIAN)
 139     if (bookView) {
 140         bookView->setLastBookmark();
 141     }
 142 #endif
 143     MainBase::resizeEvent(event);
 144     placeDecorations();
 145 #if defined(Q_WS_MAEMO_5) || defined(Q_OS_SYMBIAN)
 146     if (bookView) {
 147         QTimer::singleShot(110, bookView, SLOT(restoreLastBookmark()));
 148     }
 149 #endif
 150 }
 151
 152 void AdopterWindow::closeEvent(QCloseEvent *event)
 153 {
 154     Trace t("AdopterWindow::closeEvent");
 155     if (bookView) {
 156         bookView->setLastBookmark();
 157     }
 158     MainBase::closeEvent(event);
 159 }
 160
 161 void AdopterWindow::leaveEvent(QEvent *event)
 162 {
 163     Trace t("AdopterWindow::leaveEvent");
 164     if (bookView) {
 165         bookView->setLastBookmark();
 166     }
 167     MainBase::leaveEvent(event);
 168 }
 169
 170 void AdopterWindow::keyPressEvent(QKeyEvent *event)
 171 {
 172     TRACE;
 173     switch (event->key()) {
 174     case Qt::Key_PageDown:
 175 #ifdef Q_WS_MAEMO_5
 176     case Qt::Key_F7:
 177 #endif
 178         emit pageDown();
 179         event->accept();
 180         break;
 181     case Qt::Key_PageUp:
 182 #ifdef Q_WS_MAEMO_5
 183     case Qt::Key_F8:
 184 #endif
 185         emit pageUp();
 186         event->accept();
 187         break;
 188     default:
 189         ;
 190     }
 191     MainBase::keyPressEvent(event);
 192 }
 193
 194 void AdopterWindow::onSettingsChanged(const QString &key)
 195 {
 196     if (key == "usevolumekeys") {
 197         bool grab = Settings::instance()->value(key, false).toBool();
 198         qDebug() << "AdopterWindow::onSettingsChanged: usevolumekeys" << grab;
 199         grabVolumeKeys(grab);
 200     }
 201 }
 202
 203 void AdopterWindow::placeDecorations()
 204 {
 205     Trace t("AdopterWindow::placeDecorations");
 206
 207     if (!hasBookView()) {
 208         return;
 209     }
 210
 211     int extraHeight = 0;
 212
 213     QRect geo = bookView->geometry();
 214     qDebug() << "bookView:" << geo;
 215
 216 #ifdef Q_OS_SYMBIAN
 217     // Work around Symbian bug: If tool bar is hidden, increase bottom
 218     // decorator widgets' Y coordinates by the tool bar's height
 219     if (isToolBarHidden()) {
 220         extraHeight = toolBarHeight();
 221     }
 222
 223     // Work around another Symbian bug: When returning from full screen mode
 224     // in landscape, the book view widget's height is miscalculated.
 225     // My apologies for this kludge
 226     if (geo.height() == 288) {
 227         qDebug() << "Adjusting bottom Y";
 228         extraHeight -= 288 - 223;
 229     }
 230 #endif // Q_OS_SYMBIAN
 231
 232     progress->setGeometry(geo.x(),
 233         geo.y() + geo.height() - progress->thickness() + extraHeight,
 234         geo.width(), progress->thickness());
 235     previousButton->setGeometry(geo.x(),
 236         geo.y() + geo.height() - TranslucentButton::pixels + extraHeight,
 237         TranslucentButton::pixels, TranslucentButton::pixels);
 238     nextButton->setGeometry(geo.x() + geo.width() - TranslucentButton::pixels,
 239         geo.y(), TranslucentButton::pixels, TranslucentButton::pixels);
 240     progress->flash();
 241     previousButton->flash();
 242     nextButton->flash();
 243     qDebug() << "progress:" << progress->geometry();
 244 }
 245
 246 void AdopterWindow::onPageUp()
 247 {
 248     if (bookView && grabbingVolumeKeys) {
 249         setEnabled(false);
 250         bookView->goPreviousPage();
 251         setEnabled(true);
 252     }
 253 }
 254
 255 void AdopterWindow::onPageDown()
 256 {
 257     if (bookView && grabbingVolumeKeys) {
 258         setEnabled(false);
 259         bookView->goNextPage();
 260         setEnabled(true);
 261     }
 262 }