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koffice/lib/kformula/main.cc

299 lines
9.6 KiB

#include <iostream>
#include <memory>
#include <qaccel.h>
#include <qdom.h>
#include <qfile.h>
#include <qlayout.h>
#include <qptrlist.h>
#include <qmainwindow.h>
#include <qpainter.h>
#include <qstring.h>
#include <qtextstream.h>
#include <qwidget.h>
#include <qfileinfo.h>
#include <kapplication.h>
#include <kaboutdata.h>
#include <kcmdlineargs.h>
#include <kcommand.h>
#include <kdebug.h>
#include <kfiledialog.h>
#include "elementtype.h"
#include "kformulacommand.h"
#include "kformulacontainer.h"
#include "kformuladocument.h"
#include "kformulawidget.h"
#include "scrollview.h"
using namespace KFormula;
class TestWidget : public KFormulaWidget {
public:
TestWidget(Container* doc, QWidget* parent=0, const char* name=0, WFlags f=0)
: KFormulaWidget(doc, parent, name, f) {}
protected:
virtual void keyPressEvent(QKeyEvent* event);
private:
};
void save( const QString &filename, const QDomDocument& doc )
{
QFile f( filename );
if(!f.open(IO_Truncate | IO_ReadWrite)) {
kdWarning( DEBUGID ) << "Error opening file " << filename.latin1() << endl;
return;
}
QTextStream stream(&f);
stream.setEncoding(QTextStream::UnicodeUTF8);
doc.save(stream, 2);
f.close();
}
void load( KFormula::Document* document, const QString &filename )
{
QFile f(filename);
if (!f.open(IO_ReadOnly)) {
kdWarning( DEBUGID ) << "Error opening file " << filename.latin1() << endl;
return;
}
QTextStream stream(&f);
stream.setEncoding(QTextStream::UnicodeUTF8);
QString content = stream.read();
f.close();
//kdDebug( DEBUGID ) << content << endl;
QDomDocument doc;
if ( !doc.setContent( content ) ) {
return;
}
if ( !document->loadXML( doc ) ) {
kdWarning( DEBUGID ) << "Failed." << endl;
}
}
void saveMathML( KFormula::Container* formula, const QString &filename, bool oasisFormat )
{
QFile f( filename );
if ( !f.open( IO_Truncate | IO_ReadWrite ) ) {
kdWarning( DEBUGID ) << "Error opening file " << filename.latin1() << endl;
return;
}
QTextStream stream( &f );
stream.setEncoding( QTextStream::UnicodeUTF8 );
formula->saveMathML( stream, oasisFormat );
f.close();
}
void loadMathML( KFormula::Container* formula, const QString &filename )
{
QFile f( filename );
if ( !f.open( IO_ReadOnly ) ) {
kdWarning( DEBUGID ) << "Error opening file " << filename.latin1() << endl;
return;
}
QTextStream stream( &f );
stream.setEncoding( QTextStream::UnicodeUTF8 );
QString content = stream.read();
QDomDocument doc;
QString errorMsg;
int errorLine;
int errorColumn;
if ( !doc.setContent( content, true,
&errorMsg, &errorLine, &errorColumn ) ) {
kdWarning( DEBUGID ) << "MathML built error: " << errorMsg
<< " at line " << errorLine
<< " and column " << errorColumn << endl;
f.close();
return;
}
/*kdDebug( DEBUGID ) << "Container::loadMathML\n"
<< doc.toCString() << endl;*/
if ( !formula->loadMathML( doc ) ) {
kdWarning( DEBUGID ) << "Failed." << endl;
}
f.close();
}
void TestWidget::keyPressEvent(QKeyEvent* event)
{
Container* document = getDocument();
//int action = event->key();
int state = event->state();
//MoveFlag flag = movementFlag(state);
if ( ( state & Qt::ShiftButton ) && ( state & Qt::ControlButton ) ) {
switch (event->key()) {
case Qt::Key_B: document->document()->wrapper()->appendColumn(); return;
case Qt::Key_I: document->document()->wrapper()->insertColumn(); return;
case Qt::Key_R: document->document()->wrapper()->removeColumn(); return;
case Qt::Key_Z: document->document()->wrapper()->redo(); return;
case Qt::Key_F: saveMathML( document, "test.mml", true/*save to oasis format*/ ); return;
case Qt::Key_M: saveMathML( document, "test.mml", false ); return;
case Qt::Key_O: {
QString file = KFileDialog::getOpenFileName();
kdDebug( DEBUGID ) << file << endl;
if( !file.isEmpty() ) {
QFileInfo fi( file );
if ( fi.extension() == "mml" ) {
loadMathML( document, file );
}
else if ( fi.extension() == "xml" ) {
load( document->document(), file );
}
}
return;
}
}
}
else if (state & Qt::ControlButton) {
switch (event->key()) {
case Qt::Key_1: document->document()->wrapper()->addSum(); return;
case Qt::Key_2: document->document()->wrapper()->addProduct(); return;
case Qt::Key_3: document->document()->wrapper()->addIntegral(); return;
case Qt::Key_4: document->document()->wrapper()->addRoot(); return;
case Qt::Key_5: document->document()->wrapper()->addFraction(); return;
case Qt::Key_6: document->document()->wrapper()->addMatrix(); return;
case Qt::Key_7: document->document()->wrapper()->addOneByTwoMatrix(); return;
case Qt::Key_8: document->document()->wrapper()->addOverline(); return;
case Qt::Key_9: document->document()->wrapper()->addUnderline(); return;
case Qt::Key_A: slotSelectAll(); return;
case Qt::Key_B: document->document()->wrapper()->appendRow(); return;
case Qt::Key_C: document->document()->wrapper()->copy(); return;
case Qt::Key_D: document->document()->wrapper()->removeEnclosing(); return;
case Qt::Key_G: document->document()->wrapper()->makeGreek(); return;
case Qt::Key_I: document->document()->wrapper()->insertRow(); return;
case Qt::Key_R: document->document()->wrapper()->removeRow(); return;
case Qt::Key_K: document->document()->wrapper()->addMultiline(); return;
case Qt::Key_L: document->document()->wrapper()->addGenericLowerIndex(); return;
case Qt::Key_M: loadMathML( document, "test.mml" ); return;
case Qt::Key_O: load( document->document(), "test.xml" ); return;
case Qt::Key_Q: kapp->quit(); return;
case Qt::Key_S: save( "test.xml", document->document()->saveXML() ); return;
case Qt::Key_T: std::cout << document->texString().latin1() << std::endl; return;
case Qt::Key_U: document->document()->wrapper()->addGenericUpperIndex(); return;
case Qt::Key_V: document->document()->wrapper()->paste(); return;
case Qt::Key_X: document->document()->wrapper()->cut(); return;
case Qt::Key_Z: document->document()->wrapper()->undo(); return;
default:
//std::cerr << "Key: " << event->key() << std::endl;
break;
}
}
KFormulaWidget::keyPressEvent(event);
}
ScrollView::ScrollView()
: QScrollView(), child(0)
{
}
void ScrollView::addChild(KFormulaWidget* c, int x, int y)
{
QScrollView::addChild(c, x, y);
child = c;
connect(child, SIGNAL(cursorChanged(bool, bool)),
this, SLOT(cursorChanged(bool, bool)));
}
void ScrollView::focusInEvent(QFocusEvent*)
{
if (child != 0) child->setFocus();
}
void ScrollView::cursorChanged(bool visible, bool /*selecting*/)
{
if (visible) {
int x = child->getCursorPoint().x();
int y = child->getCursorPoint().y();
ensureVisible(x, y);
}
}
static const KCmdLineOptions options[]= {
{ "+file", "File to open", 0 },
KCmdLineLastOption
};
int main(int argc, char** argv)
{
KAboutData aboutData("math test", "KFormula test",
"0.01", "test", KAboutData::License_GPL,
"(c) 2003, Ulrich Kuettler");
aboutData.addAuthor("Ulrich Kuettler",0, "ulrich.kuettler@gmx.de");
KCmdLineArgs::init(argc, argv, &aboutData);
KCmdLineArgs::addCmdLineOptions(options);
KApplication app;
app.connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit()));
DocumentWrapper* wrapper = new DocumentWrapper( kapp->config(), 0 );
Document* document = new Document;
wrapper->document( document );
Container* container1 = document->createFormula();
ScrollView* scrollview1a = new ScrollView;
KFormulaWidget* mw1a = new TestWidget(container1, scrollview1a, "test1a");
scrollview1a->addChild(mw1a);
scrollview1a->setCaption("Test1a of the formula engine");
scrollview1a->show();
KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
for ( int i = 0; i < args->count(); ++i ) {
QFileInfo fi( args->url( i ).path() );
if ( fi.extension() == "mml" )
loadMathML( container1, args->url( i ).path() );
else if ( fi.extension() == "xml" )
load( container1->document(), args->url( i ).path() );
}
int result = app.exec();
delete container1;
delete wrapper;
// Make sure there are no elements in the clipboard.
// Okey for a debug app.
QApplication::clipboard()->clear();
int destruct = BasicElement::getEvilDestructionCount();
if (destruct != 0) {
std::cerr << "BasicElement::EvilDestructionCount: " << destruct << std::endl;
}
destruct = PlainCommand::getEvilDestructionCount();
if (destruct != 0) {
std::cerr << "PlainCommand::EvilDestructionCount: " << destruct << std::endl;
}
destruct = ElementType::getEvilDestructionCount();
if (destruct != 0) {
std::cerr << "ElementType::EvilDestructionCount: " << destruct << std::endl;
}
return result;
}
#include "scrollview.moc"