qapplication_qpa.cpp File Reference

#include "qapplication_p.h"
#include "qcolormap.h"
#include "qpixmapcache.h"
#include "qeventdispatcher_glib_qpa_p.h"
#include "qeventdispatcher_qpa_p.h"
#include "private/qcursor_p.h"
#include "private/qwidget_p.h"
#include "private/qevent_p.h"
#include "qgenericpluginfactory_qpa.h"
#include "qplatformintegrationfactory_qpa_p.h"
#include <qdesktopwidget.h>
#include <qinputcontext.h>
#include <QPlatformCursor>
#include <qdebug.h>
#include <QWindowSystemInterface>
#include "qwindowsysteminterface_qpa_p.h"
#include <QPlatformIntegration>
#include "qdesktopwidget_qpa_p.h"

Go to the source code of this file.

Classes
class	QDummyInputContext

Functions
static void	cleanup_platform ()
static void	init_platform (const QString &name, const QString &platformPluginPath)
static void	init_plugins (const QList< QByteArray > pluginList)
void	qt_cleanup ()
void	qt_init (QApplicationPrivate *priv, int type)
static bool	qt_try_modal (QWidget *widget, QEvent::Type type)

Variables
static bool	app_do_modal = false
static QString	appFont
static QString	appName
static Qt::MouseButtons	buttons = Qt::NoButton
static int	mouse_double_click_distance = 5
static Qt::MouseButton	mousePressButton = Qt::NoButton
static ulong	mousePressTime
static int	mousePressX
static int	mousePressY
static int	openPopupCount = 0
QWidget *	qt_button_down = 0
QPointer< QWidget >	qt_last_mouse_receiver = 0
int	qt_last_x = 0
int	qt_last_y = 0
QWidgetList *	qt_modal_stack

Function Documentation

cleanup_platform()

static void cleanup_platform ( )

static

Definition at line 506 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

{
    delete QApplicationPrivate::platform_integration;
    QApplicationPrivate::platform_integration = 0;
}

init_platform()

static void init_platform ( const QString &  name, const QString &  platformPluginPath  )

static

Definition at line 489 of file qapplication_qpa.cpp.

Referenced by qt_init().

{
    QApplicationPrivate::platform_integration = QPlatformIntegrationFactory::create(name, platformPluginPath);
    if (!QApplicationPrivate::platform_integration) {
        QStringList keys = QPlatformIntegrationFactory::keys(platformPluginPath);
        QString fatalMessage =
            QString::fromLatin1("Failed to load platform plugin \"%1\". Available platforms are: \n").arg(name);
        foreach(QString key, keys) {
            fatalMessage.append(key + QString::fromLatin1("\n"));
        }
        qFatal("%s", fatalMessage.toLocal8Bit().constData());

    }

}

init_plugins()

static void init_plugins ( const QList< QByteArray >  pluginList )

static

Definition at line 512 of file qapplication_qpa.cpp.

Referenced by qt_init().

{
    for (int i = 0; i < pluginList.count(); ++i) {
        QByteArray pluginSpec = pluginList.at(i);
        qDebug() << "init_plugins" << i << pluginSpec;
        int colonPos = pluginSpec.indexOf(':');
        QObject *plugin;
        if (colonPos < 0)
            plugin = QGenericPluginFactory::create(QLatin1String(pluginSpec), QString());
        else
            plugin = QGenericPluginFactory::create(QLatin1String(pluginSpec.mid(0, colonPos)),
                                                   QLatin1String(pluginSpec.mid(colonPos+1)));
        qDebug() << "   created" << plugin;
    }
}

qt_cleanup()

void qt_cleanup

(

)

Definition at line 622 of file qapplication_qpa.cpp.

{
    cleanup_platform();

    QPixmapCache::clear();
#ifndef QT_NO_CURSOR
    QCursorData::cleanup();
#endif
    QFont::cleanup();
    QColormap::cleanup();
    delete QApplicationPrivate::inputContext;
    QApplicationPrivate::inputContext = 0;

    QApplicationPrivate::active_window = 0; //### this should not be necessary
}

qt_init()

void qt_init	(	QApplicationPrivate *	priv,
		int	type
	)

Definition at line 543 of file qapplication_qpa.cpp.

{
    Q_UNUSED(type);

    qApp->setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
    char *p;
    char **argv = priv->argv;
    int argc = priv->argc;

    if (argv && *argv) { //apparently, we allow people to pass 0 on the other platforms
        p = strrchr(argv[0], '/');
        appName = QString::fromLocal8Bit(p ? p + 1 : argv[0]);
    }

    QList<QByteArray> pluginList;
    QString platformPluginPath = QLatin1String(qgetenv("QT_QPA_PLATFORM_PLUGIN_PATH"));
    QByteArray platformName;
#ifdef QT_QPA_DEFAULT_PLATFORM_NAME
    platformName = QT_QPA_DEFAULT_PLATFORM_NAME;
#endif
    QByteArray platformNameEnv = qgetenv("QT_QPA_PLATFORM");
    if (!platformNameEnv.isEmpty()) {
        platformName = platformNameEnv;
    }

    // Get command line params

    int j = argc ? 1 : 0;
    for (int i=1; i<argc; i++) {
        if (argv[i] && *argv[i] != '-') {
            argv[j++] = argv[i];
            continue;
        }
        QByteArray arg = argv[i];
        if (arg == "-fn" || arg == "-font") {
            if (++i < argc)
                appFont = QString::fromLocal8Bit(argv[i]);
        } else if (arg == "-platformpluginpath") {
            if (++i < argc)
                platformPluginPath = QLatin1String(argv[i]);
        } else if (arg == "-platform") {
            if (++i < argc)
                platformName = argv[i];
        } else if (arg == "-plugin") {
            if (++i < argc)
                pluginList << argv[i];
        } else {
            argv[j++] = argv[i];
        }
    }

    if (j < priv->argc) {
        priv->argv[j] = 0;
        priv->argc = j;
    }

#if 0
    QByteArray pluginEnv = qgetenv("QT_QPA_PLUGINS");
    if (!pluginEnv.isEmpty()) {
        pluginList.append(pluginEnv.split(';'));
    }
#endif

    init_platform(QLatin1String(platformName), platformPluginPath);
    init_plugins(pluginList);

    QColormap::initialize();
    QFont::initialize();
#ifndef QT_NO_CURSOR
//    QCursorData::initialize();
#endif

    qApp->setObjectName(appName);

#ifndef QT_NO_QWS_INPUTMETHODS
        qApp->setInputContext(new QDummyInputContext(qApp));
#endif
}

qt_try_modal()

static bool qt_try_modal ( QWidget *  widget, QEvent::Type  type  )

static

Definition at line 187 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

{
    QWidget * top = 0;

    if (QApplicationPrivate::tryModalHelper(widget, &top))
        return true;

    bool block_event  = false;
    bool paint_event = false;

    switch (type) {
#if 0
    case QEvent::Focus:
        if (!static_cast<QWSFocusEvent*>(event)->simpleData.get_focus)
            break;
        // drop through
#endif
    case QEvent::MouseButtonPress:                        // disallow mouse/key events
    case QEvent::MouseButtonRelease:
    case QEvent::MouseMove:
    case QEvent::KeyPress:
    case QEvent::KeyRelease:
    case QEvent::PlatformPanel:
        block_event         = true;
        break;
    default:
        break;
    }

    if ((block_event || paint_event) && top->parentWidget() == 0)
        top->raise();

    return !block_event;
}

Variable Documentation

app_do_modal

bool app_do_modal = false

static

Definition at line 80 of file qapplication_qpa.cpp.

Referenced by qt_cleanup(), and qt_try_modal().

appFont

QString appFont

static

Definition at line 76 of file qapplication_qpa.cpp.

appName

QString appName

static

Definition at line 75 of file qapplication_qpa.cpp.

Referenced by constructWindowTitleFromFilePath(), getNetWmState(), QApplicationPrivate::graphicsSystem(), QWSDisplay::instance(), QTestResult::setCurrentAppName(), and WinMain().

buttons

Qt::MouseButtons buttons = Qt::NoButton

static

Definition at line 87 of file qapplication_qpa.cpp.

Referenced by QPrintPropertiesDialog::addItemToOptions(), buttonChange(), QETWidget::d_func(), flipPoint(), QApplicationPrivate::globalEventProcessor(), QXcbWindow::handleMouseEvent(), QXlibWindow::handleMouseEvent(), QDirectFbInput::handleMouseEvents(), QBBScreenEventHandler::handlePointerEvent(), QBBScreenEventHandler::handleTouchEvent(), QColorDialogPrivate::init(), QPageSetupDialogPrivate::init(), QBBScreenEventHandler::injectPointerMoveEvent(), QDirectFbConvenience::mouseButtons(), QWheelEvent::orientation(), QOpenKODEWindow::processMouseEvents(), QCursor::QCursor(), QMessageBoxPrivate::QMessageBoxPrivate(), qt_cleanup(), QOleDropSource::QueryContinueDrag(), QRfbPointerEvent::read(), QDirectFBMouseHandlerPrivate::readMouseData(), QTextControlPrivate::selectionRect(), QTextControlPrivate::sendMouseEventToInputContext(), QGraphicsItem::show(), QQnxMouseHandler::socketActivated(), subControlLayout(), toQtMouseButtons(), QETWidget::translateMouseEvent(), and QGraphicsWidgetPrivate::windowFrameMouseReleaseEvent().

mouse_double_click_distance

int mouse_double_click_distance = 5

static

Definition at line 92 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

mousePressButton

Qt::MouseButton mousePressButton = Qt::NoButton

static

Definition at line 89 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

mousePressTime

ulong mousePressTime

static

Definition at line 88 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

mousePressX

int mousePressX

static

Definition at line 90 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

mousePressY

int mousePressY

static

Definition at line 91 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

openPopupCount

int openPopupCount = 0

static

Definition at line 298 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

qt_button_down

QWidget* qt_button_down = 0

Definition at line 78 of file qapplication_qpa.cpp.

qt_last_mouse_receiver

QPointer<QWidget> qt_last_mouse_receiver = 0

Definition at line 85 of file qapplication_qpa.cpp.

qt_last_x

int qt_last_x = 0

Definition at line 83 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

qt_last_y

int qt_last_y = 0

Definition at line 84 of file qapplication_qpa.cpp.

Referenced by qt_cleanup().

qt_modal_stack

QWidgetList* qt_modal_stack

Definition at line 564 of file qapplication.cpp.

Referenced by qt_try_modal().