qpeapplication.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
** 
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation; either version 2 of the License, or (at your
** option) any later version.
** 
** A copy of the GNU GPL license version 2 is included in this package as 
** LICENSE.GPL.
**
** This program is distributed in the hope that it will be useful, but
** WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
** See the GNU General Public License for more details.
**
** In addition, as a special exception Trolltech gives permission to link
** the code of this program with Qtopia applications copyrighted, developed
** and distributed by Trolltech under the terms of the Qtopia Personal Use
** License Agreement. You must comply with the GNU General Public License
** in all respects for all of the code used other than the applications
** licensed under the Qtopia Personal Use License Agreement. If you modify
** this file, you may extend this exception to your version of the file,
** but you are not obligated to do so. If you do not wish to do so, delete
** this exception statement from your version.
** 
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#define QTOPIA_INTERNAL_LOADTRANSLATIONS
#define QTOPIA_INTERNAL_LANGLIST
#ifndef QTOPIA_INTERNAL_FILEOPERATIONS
#define QTOPIA_INTERNAL_FILEOPERATIONS
#endif


#include <qtopia/custom.h>

#include <stdlib.h>

#include <qfile.h>
#include <qlist.h>
#include <qqueue.h>
#include <qpainter.h>
#include <qvalidator.h>
#include <qlineedit.h>
#include <qmultilineedit.h>
#ifndef QTOPIA_DESKTOP
#include <qsoundqss_qws.h>
#endif

#ifdef Q_WS_QWS
#  ifndef QT_NO_COP
#    if QT_VERSION <= 231
#      define private public
#      define sendLocally processEvent
#      include <qtopia/qcopenvelope_qws.h>
#      undef private
#    else
#      include <qtopia/qcopenvelope_qws.h>
#    endif
#  endif
#  include <qwindowsystem_qws.h>
#endif

#include <qtextstream.h>
#include <qpalette.h>
#include <qwidgetlist.h>
#include <qbuffer.h>
#include <qptrdict.h>
#include <qregexp.h>
#include <qdir.h>
#include <qlabel.h>
#include <qdialog.h>
#include <qdragobject.h>
#include <qtextcodec.h>
#include <qevent.h>
#include <qtooltip.h>
#include <qmessagebox.h>
#include <qsignal.h>
#include <qclipboard.h>
#include <qtimer.h>
#include <qpixmapcache.h>
#include <qmessagebox.h>
#include <qpushbutton.h>
#include <qaccel.h>
#include <qobjectlist.h>

#ifdef Q_WS_QWS
#define QTOPIA_INTERNAL_SENDINPUTHINT
#include <qwsdisplay_qws.h>
#endif

#if defined(Q_WS_QWS) && !defined(QT_NO_COP)
#define QTOPIA_INTERNAL_INITAPP
#endif

#include <qtopia/qpeapplication.h>
#if QT_VERSION >= 0x030000
#  include <qstylefactory.h>
#else
#  include <qwindowsstyle.h>
#endif
#include <qtopia/global.h>
#if QT_VERSION <= 230 && defined(QT_NO_CODECS)
#  include <qutfcodec.h>
#endif
#include <qtopia/config.h>
#include <qtopia/storage.h>
#include <qtopia/network.h>
#include <qtopia/applnk.h>
#include <qtopia/resource.h>
#ifdef Q_WS_QWS
#  include <qtopia/fontmanager.h>
#  include <qtopia/fontdatabase.h>
#  include <qtopia/power.h>
#  include <qtopia/qpemenubar.h>
#  include <qtopia/imagecodecinterface.h>
#  include <qtopia/textcodecinterface.h>
#  include <qtopia/styleinterface.h>
#  ifdef QTOPIA_PHONE
#    include <qtopia/phonestyle.h>
#  else
#    include <qtopia/qpestyle.h>
#  endif
#  include <qtopia/private/qpedecoration_p.h>
#endif
#include <qtopia/alarmserver.h>
#include <qtopia/private/pluginloader_p.h>

#ifdef Q_OS_UNIX
#include <unistd.h>
#include <sys/file.h>
#ifdef Q_WS_QWS
#include <errno.h>
#include <sys/stat.h>
#endif
#endif

#ifndef QTOPIA_DESKTOP
#ifndef Q_OS_WIN32
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#else
#include <mmsystem.h>
#include <io.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#endif // Q_OS_WIN32
#endif // QTOPIA_DESKTOP

#include "../qtopia1/qpe_show_dialog.cpp"

#if defined(QTOPIA_TEST)
#include <asm/timex.h>
#endif

#ifdef QTOPIA_PHONE
#include <qtopia/private/contextkeymanager_p.h>
#include <qtopia/contextmenu.h>

// from Resource
extern QStringList qpe_pathCache[Resource::AllResources + 1];
#endif

QIconSet qtopia_internal_loadIconSet( const QString &pix );

#ifdef QTOPIA_PHONE
extern bool qt_modalEditingEnabled;
bool mousePreferred = FALSE;
#endif

#ifdef QTOPIA_DESKTOP
#include <qdconfig.h>
#endif

QString qtopia_internal_homeDirPath();
QString qtopia_internal_defaultButtonsFile();

#ifdef QTOPIA_PHONE
const QArray<int> qpe_systemButtons()
{
    static QArray<int> *buttons = 0;

    if (!buttons) {
	buttons = new QArray<int>;
	Config cfg(qtopia_internal_defaultButtonsFile(), Config::File);
	cfg.setGroup("SystemButtons");
	int count = cfg.readNumEntry("Count", 0);
	if (count > 0) {
	    buttons->resize(count);
	    for (int i = 0; i < count; i++) {
		QString is = QString::number(i);
		(*buttons)[i] = QAccel::stringToKey(cfg.readEntry("Key"+is));
	    }
	}
    }

    return *buttons;
}

enum {
    MenuLikeDialog = 0x01,
} QPEWidgetFlags;

QMap<const QWidget *, int> qpeWidgetFlags;

#endif

#if defined(QTOPIA_TEST)
static cycles_t cycl_start, cycl_stop;
#endif


class HackWidget : public QWidget
{
public:
    bool needsOk()
    {
#ifndef QTOPIA_DESKTOP
	return (getWState() & WState_Reserved1 );
#else
	return FALSE;
#endif
    }

    QRect normalGeometry()
    { return topData()->normalGeometry; };
};

#ifdef Q_WS_QWS
extern Q_EXPORT QRect qt_maxWindowRect;
#endif

static const int npressticks=10;

class QPEApplicationData {
public:
    QPEApplicationData() : presstimer(0), presswidget(0), rightpressed(FALSE),
	kbgrabber(0), kbregrab(FALSE), notbusysent(FALSE), preloaded(FALSE),
	forceshow(FALSE), nomaximize(FALSE), qpe_main_widget(0),
	keep_running(TRUE), skiptimechanged(0), qcopQok(FALSE)
#ifdef Q_WS_QWS
	,styleLoader("styles"), styleIface(0), textPluginLoader("textcodecs"), // No tr
	imagePluginLoader("imagecodecs")
#endif
#ifdef QTOPIA_PHONE
	, editMenu(0)
#endif
    {
    }

    void drawPressTick()
    {
	if ( presstick < npressticks-2 ) {
	    QPainter p(presswidget);
	    Config cfg("presstick");
	    cfg.setGroup("PressTick");
	    QPixmap pm = Resource::loadPixmap(cfg.readEntry("Image"));
	    cfg.setGroup("Tick"+QString::number(presstick));
	    int dx = cfg.readNumEntry("Dx");
	    int dy = cfg.readNumEntry("Dy");
	    p.drawPixmap(presspos.x()+dx,presspos.y()+dy,pm);
	    pressdirty |= QRect(presspos.x()+dx,presspos.y()+dy,pm.width(),pm.height());
	}
    }
    void cancelPressAndHold()
    {
	if ( !pressdirty.isEmpty() ) {
	    presswidget->repaint(pressdirty);
	    pressdirty = QRect();
	}
	qApp->killTimer( presstimer );
	presstimer = 0;
    }

    int presstimer;
    QWidget* presswidget;
    QPoint presspos;
    int presstick;
    QRect pressdirty;
    bool rightpressed;
    int kbgrabber;
    bool kbregrab;
    bool notbusysent;
    QString appName;
    struct QCopRec {
	QCopRec(const QCString &ch, const QCString &msg,
                               const QByteArray &d) :
	    channel(ch), message(msg), data(d)
	    {
		channel.detach();
		message.detach();
		data.detach();
	    }

	QCString channel;
	QCString message;
	QByteArray data;
    };
    bool preloaded;
    bool forceshow;
    bool nomaximize;

    QWidget* qpe_main_widget;
    QGuardedPtr<QWidget> lastraised;
    bool keep_running;
    int skiptimechanged;
    bool qcopQok;
    QQueue<QCopRec> qcopq;

    void enqueueQCop(const QCString &ch, const QCString &msg,
                               const QByteArray &data)
    {
	qcopq.enqueue(new QCopRec(ch,msg,data));
    }
    void sendQCopQ()
    {
	if ( qcopQok ) {
	    QCopRec* r;
	    while((r=qcopq.dequeue())) {
		// remove from queue before sending... 
		// event loop can come around again before getting
		// back from sendLocally
#ifndef QT_NO_COP
		QCopChannel::sendLocally(r->channel,r->message,r->data);
#endif
		delete r;
	    }
	}
    }

    static void show_mx(QWidget* mw, bool nomaximize, QString &strName)
    {
	if ( mw->isVisible() ) {
	    mw->raise();
	} else {
	    QPoint p;
	    QSize s;

	    if ( mw->layout() && mw->inherits("QDialog") ) {
		bool max;
		if ( read_widget_rect(strName, max, p, s) && validate_widget_size(mw, p, s) ) {
		    mw->resize(s);
		    mw->move(p);

		    if ( max && !nomaximize )
			mw->showMaximized();
		    else
			mw->show();
		} else {
		    qpe_show_dialog((QDialog*)mw,nomaximize);
		}
	    } else {
		bool max;
		if ( read_widget_rect(strName, max, p, s) && validate_widget_size(mw, p, s) ) {
		    mw->resize(s);
		    mw->move(p);
		} else {    //no stored rectangle, make an estimation
		    int x = (qApp->desktop()->width()-mw->frameGeometry().width())/2;
		    int y = (qApp->desktop()->height()-mw->frameGeometry().height())/2;
		    mw->move( QMAX(x,0), QMAX(y,0) );
#ifdef Q_WS_QWS
		    if ( !nomaximize )
			mw->showMaximized();
#endif
		}
		if ( max && !nomaximize )
		    mw->showMaximized();
		else
		    mw->show();
	    }
	}
    }

    static bool read_widget_rect(const QString &app, bool &maximized, QPoint &p, QSize &s)
    {
	maximized = TRUE;

	// 350 is the trigger in qwsdefaultdecoration for providing a resize button
	if ( qApp->desktop()->width() <= 350 )
	    return FALSE;

	Config cfg( "qpe" );
	cfg.setGroup("ApplicationPositions");
	QString str = cfg.readEntry( app, QString::null );
	QStringList l = QStringList::split(",", str);

	if ( l.count() == 5) {
	    p.setX( l[0].toInt() );
	    p.setY( l[1].toInt() );

	    s.setWidth( l[2].toInt() );
	    s.setHeight( l[3].toInt() );

	    maximized = l[4].toInt();

	    return TRUE;
	}

	return FALSE;
    }

    static bool validate_widget_size(const QWidget *w, QPoint &p, QSize &s)
    {
#ifndef Q_WS_QWS
	QRect qt_maxWindowRect = qApp->desktop()->geometry();
#endif
	int maxX = qt_maxWindowRect.width();
	int maxY = qt_maxWindowRect.height();
	int wWidth = s.width() + ( w->frameGeometry().width() - w->geometry().width() );
	int wHeight = s.height() + ( w->frameGeometry().height() - w->geometry().height() );

	// total window size is not allowed to be larger than desktop window size
	if ( ( wWidth >= maxX ) && ( wHeight >= maxY ) )
	    return FALSE;

	if ( wWidth > maxX ) {
	    s.setWidth( maxX - (w->frameGeometry().width() - w->geometry().width() ) );
	    wWidth = maxX;
	}

	if ( wHeight > maxY ) {
	    s.setHeight( maxY - (w->frameGeometry().height() - w->geometry().height() ) );
	    wHeight = maxY;
	}

	// any smaller than this and the maximize/close/help buttons will be overlapping
	if ( wWidth < 80 || wHeight < 60 )
	    return FALSE;

	if ( p.x() < 0 )
	    p.setX(0);
	if ( p.y() < 0 )
	    p.setY(0);

	if ( p.x() + wWidth > maxX )
	    p.setX( maxX - wWidth );
	if ( p.y() + wHeight > maxY )
	    p.setY( maxY - wHeight );

	return TRUE;
    }

    static void store_widget_rect(QWidget *w, QString &app)
    {
	// 350 is the trigger in qwsdefaultdecoration for providing a resize button
	if ( qApp->desktop()->width() <= 350 )
	    return;

	// we use these to map the offset of geometry and pos.  ( we can only use normalGeometry to
	// get the non-maximized version, so we have to do it the hard way )
	int offsetX = w->x() - w->geometry().left();
	int offsetY = w->y() - w->geometry().top();

	QRect r;
	if ( w->isMaximized() )
	    r = ( (HackWidget *) w)->normalGeometry();
	else
	    r = w->geometry();

	// Stores the window placement as pos(), size()  (due to the offset mapping)
	Config cfg( "qpe" );
	cfg.setGroup("ApplicationPositions");
	QString s;
	s.sprintf("%d,%d,%d,%d,%d", r.left() + offsetX, r.top() + offsetY, r.width(), r.height(), w->isMaximized() );
	cfg.writeEntry( app, s );
    }

    static bool setWidgetCaptionFromAppName( QWidget* /*mw*/, const QString& /*appName*/, const QString& /*appsPath*/ )
    {
    /*
	// This works but disable it for now until it is safe to apply
	// What is does is scan the .desktop files of all the apps for
	// the applnk that has the corresponding argv[0] as this program
	// then it uses the name stored in the .desktop file as the caption
	// for the main widget. This saves duplicating translations for
	// the app name in the program and in the .desktop files.