qimpensetup.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.7平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** 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 "qimpenwidget.h"
#include "qimpenprefbase.h"
#include "qimpensetup.h"

#include <qtopia/qpeapplication.h>
#include <qtopia/config.h>

#include <qcombobox.h>
#include <qlistbox.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qlayout.h>
#include <qpixmap.h>
#include <qbuttongroup.h>
#include <qslider.h>
#include <qtabwidget.h>
#include <qdir.h>
#include <qmessagebox.h>


/* XPM */
static const char * const left_xpm[] = {
"16 16 2 1",
" 	c None",
".	c #000000",
"                ",
"                ",
"                ",
"        .       ",
"       ..       ",
"      ...       ",
"     ....       ",
"    .....       ",
"   ......       ",
"    .....       ",
"     ....       ",
"      ...       ",
"       ..       ",
"        .       ",
"                ",
"                "};


/* XPM */
static const char * const right_xpm[] = {
"16 16 2 1",
" 	c None",
".	c #000000",
"                ",
"                ",
"                ",
"     .          ",
"     ..         ",
"     ...        ",
"     ....       ",
"     .....      ",
"     ......     ",
"     .....      ",
"     ....       ",
"     ...        ",
"     ..         ",
"     .          ",
"                ",
"                "};

int QIMPenSetup::lastTab = 0;

QIMPenSetup::QIMPenSetup( QIMPenProfile *p, QWidget *parent,
                const char *name, bool modal, int WFlags )
    : QDialog( parent, name, modal, WFlags ), profileCombo(0), profile(p)
{
    setCaption( tr("Setup Handwriting Input") );

    QVBoxLayout *vb = new QVBoxLayout( this );

#if 0
    profileList.setAutoDelete( true );
    QHBoxLayout *hb = new QHBoxLayout( vb );
    hb->setMargin( 6 );
    QLabel *l = new QLabel( tr("Character Profile:"), this );
    hb->addWidget( l );
    profileCombo = new QComboBox( this );
    connect( profileCombo, SIGNAL(activated(const QString &)),
	     this, SLOT(selectProfile(const QString &)) );
    hb->addWidget( profileCombo );
    loadProfiles();
#else
    profileList.append( profile );
#endif
    
    tabs = new QTabWidget( this );
    vb->addWidget( tabs );

    pref = new QIMPenPrefBase( this );
    tabs->addTab( pref, tr("Preferences") );

    pref->inputStyle->setExclusive( TRUE );

    style = profile->style() == QIMPenProfile::ToggleCases ? 1 : 0;
    pref->inputStyle->setButton( style );
    connect( pref->inputStyle, SIGNAL(clicked(int)),
	     this, SLOT(styleClicked(int)) );
    pref->inputStyle->setEnabled( profile->canSelectStyle() );

    multiTimeout = profile->multiStrokeTimeout();
    pref->multiStrokeSlider->setValue( multiTimeout );
    multiTimeoutChanged( multiTimeout );
    connect( pref->multiStrokeSlider, SIGNAL(valueChanged(int)),
	     this, SLOT(multiTimeoutChanged(int)) );

    edit = new QIMPenEdit( p, tabs );
    tabs->addTab( edit, tr("Customize") );

    tabs->setCurrentPage( lastTab );
}

QIMPenSetup::~QIMPenSetup()
{
    lastTab = tabs->currentPageIndex();
}

void QIMPenSetup::loadProfiles()
{
    QString path = QPEApplication::qpeDir() + "etc/qimpen";
    QDir dir( path, "*.conf" );
    QStringList list = dir.entryList();
    QStringList::Iterator it;
    for ( it = list.begin(); it != list.end(); ++it ) {
	QIMPenProfile *p = new QIMPenProfile( path + "/" + *it );
	profileList.append( p );
	profileCombo->insertItem( p->name() );
	if ( p->name() == profile->name() ) {
	    profileCombo->setCurrentItem( profileCombo->count()-1 );
	    profile = p;
	}
    }
}

void QIMPenSetup::styleClicked( int id )
{
    style = id;
}

void QIMPenSetup::multiTimeoutChanged( int v )
{
    multiTimeout = v;
    pref->multiStrokeLabel->setText( tr("%1 ms","milliseconds").arg(v) );
}

void QIMPenSetup::selectProfile( const QString &p )
{
    if ( p == profile->name() )
	return;

    profile->setStyle( style ? QIMPenProfile::ToggleCases : QIMPenProfile::BothCases );
    profile->setMultiStrokeTimeout( multiTimeout );

    for ( int i = 0; i < (int)profileList.count(); i++ ) {
	if ( profileList.at(i)->name() == p ) {
	    profile = profileList.at(i);
	    style = profile->style() == QIMPenProfile::ToggleCases ? 1 : 0;
	    pref->inputStyle->setButton( style );
	    pref->inputStyle->setEnabled( profile->canSelectStyle() );
	    multiTimeout = profile->multiStrokeTimeout();
	    pref->multiStrokeSlider->setValue( multiTimeout );
	    multiTimeoutChanged( multiTimeout );
	    edit->setProfile( profile );
	    break;
	}
    }
}

void QIMPenSetup::accept()
{
    profile->setStyle( style ? QIMPenProfile::ToggleCases : QIMPenProfile::BothCases );
    profile->setMultiStrokeTimeout( multiTimeout );
    // Save current profile
    if ( profileCombo ) {
	Config config( "handwriting" );
	config.setGroup( "Settings" );
	config.writeEntry( "Profile", profileCombo->currentText() );
    }
    // Save charsets
    bool ok = TRUE;
    for ( int i = 0; i < (int)profileList.count(); i++ ) {
	QIMPenProfile *prof = profileList.at(i);
	QIMPenCharSetIterator it(prof->charSets());
	for ( ; it.current(); ++it ) {
	    if ( !(it.current()->save( QIMPenCharSet::User )) ) {
		ok = FALSE;
		break;
	    }
	}
    }
    if ( !ok ) {
	if ( QMessageBox::critical( 0, tr( "Out of space" ),
		    tr("Unable to save information.\n"
			"Free up some space\n"
			"and try again.\n"
			"\nQuit anyway?"),
		    QMessageBox::Yes|QMessageBox::Escape,
		    QMessageBox::No|QMessageBox::Default )
		!= QMessageBox::No ) {
	    QDialog::accept();
	}
    } else {
	QDialog::accept();
    }
}

//---------------------------------------------------------------------------

QIMPenInputCharDlg::QIMPenInputCharDlg( QWidget *parent, const char *name,
	bool modal, int WFlags)
    : QDialog( parent, name, modal, WFlags )
{
    setCaption( tr("Enter new character") );
    uni = 0;

    QVBoxLayout *vb = new QVBoxLayout( this, 10 );

    QHBoxLayout *hb = new QHBoxLayout();
    vb->addLayout( hb );

    QLabel *label = new QLabel( tr("Character:"), this );
    hb->addWidget( label );

    QComboBox *cb = new QComboBox( TRUE, this );
    connect( cb, SIGNAL(activated(int)), SLOT(setSpecial(int)) );
    connect( cb, SIGNAL(textChanged(const QString &)),
	    SLOT(setCharacter(const QString &)) );
    addSpecial( cb );
    cb->setEditText( "" );
    hb->addWidget( cb );

    hb = new QHBoxLayout();
    vb->addLayout( hb );

    QPushButton *pb = new QPushButton( tr("OK"), this );
    connect( pb, SIGNAL(clicked()), SLOT(accept()));
    hb->addWidget( pb );
    pb = new QPushButton( tr("Cancel"), this );
    connect( pb, SIGNAL(clicked()), SLOT(reject()));
    hb->addWidget( pb );

    cb->setFocus();
}

void QIMPenInputCharDlg::addSpecial( QComboBox *cb )
{
    int i = 0;
    while ( qimpen_specialKeys[i].code != Key_unknown ) {
	cb->insertItem( qApp->translate("Handwriting",qimpen_specialKeys[i].name) );
	i++;
    }
}

void QIMPenInputCharDlg::setSpecial( int sp )
{
    uni = qimpen_specialKeys[sp].code << 16;
}

void QIMPenInputCharDlg::setCharacter( const QString &string )
{
    uni = string[0].unicode();
}

//---------------------------------------------------------------------------

class CharListItem : public QListBoxText
{
public:
    CharListItem( const QString &text, uint c )
	: QListBoxText( text )
    {
	_code = c;
    }

    uint code() const { return _code; }

protected:
    uint _code;
};

int QIMPenEdit::lastCs = 1; // usually lowercase
int QIMPenEdit::lastCh = 0;

/*!
  \class QIMPenEdit qimpensetup.h
  \brief The QIMPenEdit class allows character editing.

  Class to allow users to input totally useless character definitions
  which could match any number of the default set.
*/

QIMPenEdit::QIMPenEdit( QIMPenProfile *p, QWidget *parent,
                const char *name )
    : QWidget( parent, name ),
	    currentSet(0),
	    profile(p)
{
    currentChar = 0;
    currentCode = 0;
    inputChar = new QIMPenChar();

    QVBoxLayout *tvb = new QVBoxLayout( this, 5 );

    QGridLayout *gl = new QGridLayout( tvb, 4, 2 );
    gl->setRowStretch( 1, 1 );
    gl->addRowSpacing( 2, 35 );
    gl->addRowSpacing( 3, 35 );

    charSetCombo = new QComboBox( this );
    gl->addMultiCellWidget( charSetCombo, 0, 0, 0, 1 );
    connect( charSetCombo, SIGNAL(activated(int)), SLOT(selectCharSet(int)));
    QIMPenCharSetIterator it( profile->charSets() );
    for ( ; it.current(); ++it ) {
        charSetCombo->insertItem( it.current()->description() );
    }

    charList = new QListBox( this );
    charList->setMinimumHeight( charList->sizeHint().height() );
    connect( charList, SIGNAL(highlighted(int)), SLOT(selectChar(int)) );
    gl->addWidget( charList, 1, 0 );