appearance.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.
**
**********************************************************************/

#include "appearance.h"
#ifndef QTOPIA_PHONE
# include "samplewindow.h"
#endif
#include "themeparser.h"
#include <qtopia/global.h>
#include <qtopia/fontdatabase.h>
#include <qtopia/config.h>
#include <qtopia/applnk.h>
#include <qtopia/qpeapplication.h>
#include <qtopia/pluginloader.h>
#include <qtopia/styleinterface.h>
#include <qtopia/resource.h>
#include <qtopia/image.h>
#include <qtopia/imageselector.h>
#include <qtopia/windowdecorationinterface.h>
#if defined(Q_WS_QWS) && !defined(QT_NO_COP)
#include <qtopia/qcopenvelope_qws.h>
#endif
#ifdef QTOPIA_PHONE
# include <qtopia/private/phonedecoration_p.h>
# include <qtopia/contextbar.h>
# include <qtopia/phonestyle.h>
#else
# include <qtopia/qpestyle.h>
#endif

#include <qlabel.h>
#include <qcheckbox.h>
#include <qradiobutton.h>
#include <qtabwidget.h>
#include <qslider.h>
#include <qfile.h>
#include <qtextstream.h>
#include <qdatastream.h>
#include <qmessagebox.h>
#include <qcombobox.h>
#include <qlistbox.h>
#include <qdir.h>
#include <qgroupbox.h>
#include <qwindowsstyle.h>
#include <qobjectlist.h>
#include <qlayout.h>
#include <qvbox.h>
#include <qmenubar.h>
#include <qpushbutton.h>
#include <qcheckbox.h>
#include <qwhatsthis.h>
#include <qpixmapcache.h>
#if QT_VERSION >= 0x030000
#include <qstylefactory.h>
#endif
#include <qaccel.h>
#include <qpixmap.h>

//#if defined(QT_QWS_IPAQ) || defined(QT_QWS_SL5XXX)
//#include <unistd.h>
//#include <linux/fb.h>
//#include <sys/types.h>
//#include <sys/stat.h>
//#include <fcntl.h>
//#include <sys/ioctl.h>
//#endif
#include <stdlib.h>

#define SAMPLE_HEIGHT	115


class PluginItem : public QListBoxText
{
public:
    PluginItem( QListBox *lb, const QString &t ) : QListBoxText( lb, t ) {}
    void setFilename( const QString fn ) { file = fn; }
    const QString &filename() const { return file; }
    void setThemeFilename( const QString fn ) { themeFile = fn; }
    const QString &themeFilename() const { return themeFile; }
    void setDecorationFilename( const QString fn ) { decorationFile = fn; }
    const QString &decorationFilename() const { return decorationFile; }

private:
    QString file;
    QString themeFile;
    QString decorationFile;
};

class FontItem : public QListBoxText
{
public:
    FontItem(QListBox *lb, const QString &t, const QFont &f)
	: QListBoxText( lb, t ), fnt(f) {}

    int height(const QListBox *) const { return 20; }

protected:
    void paint(QPainter *p) {
	p->setFont(fnt);
	QListBoxText::paint(p);
    }

private:
    QFont fnt;
};

//===========================================================================

class DefaultWindowDecoration : public WindowDecorationInterface
{
public:
    DefaultWindowDecoration() : ref(0) {}
    QString name() const {
	return qApp->translate("WindowDecoration", "Default", 
		"List box text for default window decoration");
    }
    QPixmap icon() const {
	return QPixmap();
    }
    QRESULT queryInterface( const QUuid &uuid, QUnknownInterface **iface ) {
	*iface = 0;
	if ( uuid == IID_QUnknown )
	    *iface = this;
	else if ( uuid == IID_WindowDecoration )
	    *iface = this;

	if ( *iface )
	    (*iface)->addRef();
	return QS_OK;
    }
    Q_REFCOUNT

private:
	ulong ref;
};

//===========================================================================

AppearanceSettings::AppearanceSettings( QWidget* parent,  const char* name, WFlags fl )
    : AppearanceSettingsBase( parent, name, TRUE, fl|Qt::WStyle_ContextHelp )
{
    wdiface = 0;
    styleiface = 0;
    wdLoader = new PluginLoader( "decorations" );
    styleLoader = new PluginLoader( "styles" );
    wdIsPlugin = FALSE;

#ifdef DEBUG
    maxFontSize = 24;
#else
    maxFontSize = qApp->desktop()->width() >= 640 ? 24 : 12;
#endif

#ifdef QTOPIA_PHONE
    tabWidget->removePage(tab_3);
    tabWidget->removePage(tab_4);
    tabWidget->setFocusPolicy(NoFocus);
    AppearanceSettingsBaseLayout->setMargin(0);

    tabWidget->changeTab(tab, Resource::loadIconSet("theme"), QString::null);
    tabWidget->changeTab(tab_2, Resource::loadIconSet("color"), QString::null);
    tabWidget->changeTab(tab_5, Resource::loadIconSet("font"), QString::null);
    tabWidget->changeTab(tab_6, Resource::loadIconSet("background"), QString::null);

    tabLayout->setMargin(0);
    tabLayout_2->setMargin(0);
    tabLayout_5->setMargin(0);

#ifdef QTOPIA_PHONE
    themeList->setFrameStyle(QFrame::NoFrame);
#endif
    colorList->setFrameStyle(QFrame::NoFrame);
    fontList->setFrameStyle(QFrame::NoFrame);

    QAccel *accel = new QAccel(this);
    connect(accel, SIGNAL(activated(int)), this, SLOT(accelerator(int)));
    accel->insertItem(Key_Left, Key_Left);
    accel->insertItem(Key_Right, Key_Right);
#else
    sample = new SampleWindow( this );
    AppearanceSettingsBaseLayout->addWidget( sample );
    populateStyleList();
    populateDecorationList();
#endif

#ifdef QTOPIA_PHONE
    populateThemeList();
#endif
    populateColorList();

    Config config("qpe");
    config.setGroup( "Appearance" );
    QString s = config.readEntry( "Scheme", "Qtopia" );
    connect( colorList, SIGNAL(highlighted(int)),
	this, SLOT(colorSelected(int)) );
    colorList->setCurrentItem( colorListIDs.findIndex(s) );

#ifdef QTOPIA_PHONE
    QString t = config.readEntry( "Theme");
    int themeMatchIndex = -1;
    for ( unsigned i = 0; i < themeList->count(); i++ ) {
	PluginItem *item = (PluginItem*)themeList->item(i);
	if (item->themeFilename() == t && themeMatchIndex == -1)
	    themeMatchIndex = i;
    }
    if (themeMatchIndex != -1){
	themeList->setSelected( themeMatchIndex, TRUE );
	themeSelected(themeMatchIndex);
    }
    connect( themeList, SIGNAL(highlighted(int)),
	this, SLOT(themeSelected(int)) );
#else
    s = config.readEntry( "Style", "Qtopia" );
    unsigned i;
    if ( s == "QPE" ) s = "Qtopia";
    for ( i = 0; i < styleList->count(); i++ ) {
	PluginItem *item = (PluginItem*)styleList->item(i);
	if ( item->filename() == s || item->text() == s ) {
	    styleList->setCurrentItem( i );
	    break;
	}
    }
    connect( styleList, SIGNAL(highlighted(int)),
	    this, SLOT(styleSelected(int)) );

    s = config.readEntry( "Decoration" );
    for ( i = 0; i < decorationList->count(); i++ ) {
	PluginItem *item = (PluginItem*)decorationList->item(i);
	if ( item->filename() == s || item->text() == s ) {
	    decorationList->setCurrentItem( i );
	    break;
	}
    }
    connect( decorationList, SIGNAL(highlighted(int)),
	this, SLOT(decorationSelected(int)) );
    decorationSelected( decorationList->currentItem() );
#endif

    s = config.readEntry( "FontFamily", "Helvetica" );
    prefFontSize = config.readNumEntry( "FontSize", font().pointSize() );
    populateFontList(s,prefFontSize);
    connect( fontList, SIGNAL(highlighted(const QString&)),
	this, SLOT(fontSelected(const QString&)) );
#ifndef QTOPIA_PHONE
    connect( fontSize, SIGNAL(activated(const QString&)),
	this, SLOT(fontSizeSelected(const QString&)) );

#else
    fontSizeLabel->hide();
    fontSize->hide();

    ContextBar::setLabel(themeList, Key_Select, ContextBar::NoLabel);
    ContextBar::setLabel(colorList, Key_Select, ContextBar::NoLabel);
    ContextBar::setLabel(styleList, Key_Select, ContextBar::NoLabel);
    ContextBar::setLabel(fontList, Key_Select, ContextBar::NoLabel);

    previewLabel->installEventFilter(this);
    bgTimer = new QTimer(this);
    connect(bgTimer, SIGNAL(timeout()), this, SLOT(updateBackground()));
#endif


#ifdef QTOPIA_PHONE
    bgImgName = config.readEntry("BackgroundImage");
    if ( !bgImgName.isEmpty() && bgImgName[0]!='/' )
	bgImgName = Resource::findPixmap("wallpaper/"+bgImgName);
    connect(myPictures, SIGNAL(clicked()), this, SLOT(selectImage()));
    connect(wallpaper, SIGNAL(clicked()), this, SLOT(selectWallpaper()));
    connect(clearButton, SIGNAL(clicked()), this, SLOT(clearBackground()));
#endif
}

AppearanceSettings::~AppearanceSettings()
{
    delete styleLoader;
    delete wdLoader;
}

void AppearanceSettings::accept()
{
    Config config("qpe");
    config.setGroup( "Appearance" );
    QString s;

#ifdef QTOPIA_PHONE
    PluginItem *item = (PluginItem *)themeList->item( themeList->currentItem() );
    if ( item ) {
	if (!item->themeFilename().isEmpty() && (item->themeFilename() != item->text()) ){
	    config.writeEntry( "Style", item->filename() );
	    config.writeEntry("Theme", item->themeFilename());
	    config.writeEntry("DecorationTheme", item->decorationFilename());
	    qDebug("Write config theme select %s %s", item->filename().latin1(), item->text().latin1());
	}else{
	    s = item->themeFilename().isEmpty() ? item->text() : item->themeFilename();