git.maemo.org Git - dorian/blob - widgets/bookwindow.cpp

   1 #include <QtGui>
   2
   3 #ifdef Q_WS_MAEMO_5
   4 #   include <QtGui/QX11Info>
   5 #   include <X11/Xlib.h>
   6 #   include <X11/Xatom.h>
   7 #endif // Q_WS_MAEMO_5
   8
   9 #include "bookwindow.h"
  10 #include "trace.h"
  11
  12 BookWindow::BookWindow(QWidget *parent):
  13         QMainWindow(parent), grabbingZoomKeys(false), mainChild(0)
  14 {
  15 #ifdef Q_WS_MAEMO_5
  16     setAttribute(Qt::WA_Maemo5StackedWindow, true);
  17 #endif // Q_WS_MAEMO_5
  18
  19     QFrame *frame = new QFrame(this);
  20     QVBoxLayout *layout = new QVBoxLayout(frame);
  21     layout->setMargin(0);
  22     frame->setLayout(layout);
  23     setCentralWidget(frame);
  24 }
  25
  26 void BookWindow::takeChildren(QWidget *main, const QList<QWidget *> &others)
  27 {
  28     Trace t("BookWindow::takeChildren");
  29     leaveChildren();
  30     if (main) {
  31         mainChild = main;
  32         mainChild->setParent(centralWidget());
  33         centralWidget()->layout()->addWidget(mainChild);
  34         mainChild->show();
  35     }
  36     foreach (QWidget *child, others) {
  37         if (child) {
  38             child->setParent(this);
  39         }
  40     }
  41 }
  42
  43 void BookWindow::leaveChildren()
  44 {
  45     Trace t("BookWindow::leaveChildren");
  46     if (mainChild) {
  47         centralWidget()->layout()->removeWidget(mainChild);
  48         mainChild = 0;
  49     }
  50 }
  51
  52 void BookWindow::grabZoomKeys(bool grab)
  53 {
  54     Trace t("BookWindow::grabZoomKeys");
  55     grabbingZoomKeys = grab;
  56     doGrabZoomKeys(grab);
  57 }
  58
  59 void BookWindow::showEvent(QShowEvent *e)
  60 {
  61     Trace t("BookWindow::showEvent");
  62     doGrabZoomKeys(grabbingZoomKeys);
  63     QMainWindow::showEvent(e);
  64 }
  65
  66 void BookWindow::doGrabZoomKeys(bool grab)
  67 {
  68     Trace t("BookWindow::doGrabZoomKeys");
  69 #ifdef Q_WS_MAEMO_5
  70     if (!isVisible()) {
  71         qDebug() << "Not visible - skipping";
  72     }
  73     if (!winId()) {
  74         qDebug() << "Could not get window ID - skipping";
  75         return;
  76     }
  77     unsigned long val = grab? 1: 0;
  78     Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
  79     if (!atom) {
  80         qCritical() << "Unable to obtain _HILDON_ZOOM_KEY_ATOM";
  81         return;
  82     }
  83     XChangeProperty(QX11Info::display(),
  84         winId(),
  85         atom,
  86         XA_INTEGER,
  87         32,
  88         PropModeReplace,
  89         reinterpret_cast<unsigned char *>(&val),
  90         1);
  91 #else
  92     Q_UNUSED(grab);
  93 #endif // Q_WS_MAEMO_5
  94 }