00001
00002 #include <iostream>
00003 #include <memory>
00004
00005 #include <qaccel.h>
00006 #include <qdom.h>
00007 #include <qfile.h>
00008 #include <qlayout.h>
00009 #include <qptrlist.h>
00010 #include <qmainwindow.h>
00011 #include <qpainter.h>
00012 #include <qstring.h>
00013 #include <qtextstream.h>
00014 #include <qwidget.h>
00015 #include <qfileinfo.h>
00016
00017 #include <kapplication.h>
00018 #include <kaboutdata.h>
00019 #include <kcmdlineargs.h>
00020 #include <kcommand.h>
00021 #include <kdebug.h>
00022 #include <kfiledialog.h>
00023
00024 #include "elementtype.h"
00025 #include "kformulacommand.h"
00026 #include "kformulacontainer.h"
00027 #include "kformuladocument.h"
00028 #include "kformulawidget.h"
00029 #include "scrollview.h"
00030
00031 using namespace KFormula;
00032
00033
00034 class TestWidget : public KFormulaWidget {
00035 public:
00036 TestWidget(Container* doc, QWidget* parent=0, const char* name=0, WFlags f=0)
00037 : KFormulaWidget(doc, parent, name, f) {}
00038
00039 protected:
00040 virtual void keyPressEvent(QKeyEvent* event);
00041
00042 private:
00043 };
00044
00045
00046 void save( QString filename, QDomDocument doc )
00047 {
00048 QFile f( filename );
00049 if(!f.open(IO_Truncate | IO_ReadWrite)) {
00050 kdWarning( DEBUGID ) << "Error opening file " << filename.latin1() << endl;
00051 return;
00052 }
00053
00054 QTextStream stream(&f);
00055 stream.setEncoding(QTextStream::UnicodeUTF8);
00056 doc.save(stream, 2);
00057 f.close();
00058 }
00059
00060
00061 void load( KFormula::Document* document, QString filename )
00062 {
00063 QFile f(filename);
00064 if (!f.open(IO_ReadOnly)) {
00065 kdWarning( DEBUGID ) << "Error opening file " << filename.latin1() << endl;
00066 return;
00067 }
00068 QTextStream stream(&f);
00069 stream.setEncoding(QTextStream::UnicodeUTF8);
00070 QString content = stream.read();
00071 f.close();
00072
00073 QDomDocument doc;
00074 if ( !doc.setContent( content ) ) {
00075 return;
00076 }
00077 if ( !document->loadXML( doc ) ) {
00078 kdWarning( DEBUGID ) << "Failed." << endl;
00079 }
00080 }
00081
00082
00083 void saveMathML( KFormula::Container* formula, QString filename )
00084 {
00085 QFile f( filename );
00086 if ( !f.open( IO_Truncate | IO_ReadWrite ) ) {
00087 kdWarning( DEBUGID ) << "Error opening file " << filename.latin1() << endl;
00088 return;
00089 }
00090
00091 QTextStream stream( &f );
00092 stream.setEncoding( QTextStream::UnicodeUTF8 );
00093 formula->saveMathML( stream );
00094 f.close();
00095 }
00096
00097
00098 void loadMathML( KFormula::Container* formula, QString filename )
00099 {
00100 QFile f( filename );
00101 if ( !f.open( IO_ReadOnly ) ) {
00102 kdWarning( DEBUGID ) << "Error opening file " << filename.latin1() << endl;
00103 return;
00104 }
00105 QTextStream stream( &f );
00106 stream.setEncoding( QTextStream::UnicodeUTF8 );
00107 QString content = stream.read();
00108
00109 QDomDocument doc;
00110 QString errorMsg;
00111 int errorLine;
00112 int errorColumn;
00113 if ( !doc.setContent( content, true,
00114 &errorMsg, &errorLine, &errorColumn ) ) {
00115 kdWarning( DEBUGID ) << "MathML built error: " << errorMsg
00116 << " at line " << errorLine
00117 << " and column " << errorColumn << endl;
00118 f.close();
00119 return;
00120 }
00121
00122
00123
00124
00125 if ( !formula->loadMathML( doc ) ) {
00126 kdWarning( DEBUGID ) << "Failed." << endl;
00127 }
00128 f.close();
00129 }
00130
00131
00132 void TestWidget::keyPressEvent(QKeyEvent* event)
00133 {
00134 Container* document = getDocument();
00135
00136
00137 int state = event->state();
00138
00139
00140 if ( ( state & Qt::ShiftButton ) && ( state & Qt::ControlButton ) ) {
00141 switch (event->key()) {
00142 case Qt::Key_B: document->document()->wrapper()->appendColumn(); return;
00143 case Qt::Key_I: document->document()->wrapper()->insertColumn(); return;
00144 case Qt::Key_R: document->document()->wrapper()->removeColumn(); return;
00145 case Qt::Key_Z: document->document()->wrapper()->redo(); return;
00146
00147 case Qt::Key_M: saveMathML( document, "test.mml" ); return;
00148 case Qt::Key_O: {
00149 QString file = KFileDialog::getOpenFileName();
00150 kdDebug( DEBUGID ) << file << endl;
00151 if( !file.isEmpty() ) {
00152 QFileInfo fi( file );
00153 if ( fi.extension() == "mml" ) {
00154 loadMathML( document, file );
00155 }
00156 else if ( fi.extension() == "xml" ) {
00157 load( document->document(), file );
00158 }
00159 }
00160 return;
00161 }
00162 }
00163 }
00164 else if (state & Qt::ControlButton) {
00165 switch (event->key()) {
00166 case Qt::Key_1: document->document()->wrapper()->addSum(); return;
00167 case Qt::Key_2: document->document()->wrapper()->addProduct(); return;
00168 case Qt::Key_3: document->document()->wrapper()->addIntegral(); return;
00169 case Qt::Key_4: document->document()->wrapper()->addRoot(); return;
00170 case Qt::Key_5: document->document()->wrapper()->addFraction(); return;
00171 case Qt::Key_6: document->document()->wrapper()->addMatrix(); return;
00172 case Qt::Key_7: document->document()->wrapper()->addOneByTwoMatrix(); return;
00173 case Qt::Key_8: document->document()->wrapper()->addOverline(); return;
00174 case Qt::Key_9: document->document()->wrapper()->addUnderline(); return;
00175 case Qt::Key_A: slotSelectAll(); return;
00176 case Qt::Key_B: document->document()->wrapper()->appendRow(); return;
00177 case Qt::Key_C: document->document()->wrapper()->copy(); return;
00178 case Qt::Key_D: document->document()->wrapper()->removeEnclosing(); return;
00179 case Qt::Key_G: document->document()->wrapper()->makeGreek(); return;
00180 case Qt::Key_I: document->document()->wrapper()->insertRow(); return;
00181 case Qt::Key_R: document->document()->wrapper()->removeRow(); return;
00182 case Qt::Key_K: document->document()->wrapper()->addMultiline(); return;
00183 case Qt::Key_L: document->document()->wrapper()->addGenericLowerIndex(); return;
00184 case Qt::Key_M: loadMathML( document, "test.mml" ); return;
00185 case Qt::Key_O: load( document->document(), "test.xml" ); return;
00186 case Qt::Key_Q: kapp->quit(); return;
00187 case Qt::Key_S: save( "test.xml", document->document()->saveXML() ); return;
00188 case Qt::Key_T: std::cout << document->texString().latin1() << std::endl; return;
00189 case Qt::Key_U: document->document()->wrapper()->addGenericUpperIndex(); return;
00190 case Qt::Key_V: document->document()->wrapper()->paste(); return;
00191 case Qt::Key_X: document->document()->wrapper()->cut(); return;
00192 case Qt::Key_Z: document->document()->wrapper()->undo(); return;
00193 default:
00194
00195 break;
00196 }
00197 }
00198
00199 KFormulaWidget::keyPressEvent(event);
00200 }
00201
00202
00203 ScrollView::ScrollView()
00204 : QScrollView(), child(0)
00205 {
00206 }
00207
00208 void ScrollView::addChild(KFormulaWidget* c, int x, int y)
00209 {
00210 QScrollView::addChild(c, x, y);
00211 child = c;
00212 connect(child, SIGNAL(cursorChanged(bool, bool)),
00213 this, SLOT(cursorChanged(bool, bool)));
00214 }
00215
00216 void ScrollView::focusInEvent(QFocusEvent*)
00217 {
00218 if (child != 0) child->setFocus();
00219 }
00220
00221
00222 void ScrollView::cursorChanged(bool visible, bool )
00223 {
00224 if (visible) {
00225 int x = child->getCursorPoint().x();
00226 int y = child->getCursorPoint().y();
00227 ensureVisible(x, y);
00228 }
00229 }
00230
00231
00232 static const KCmdLineOptions options[]= {
00233 { "+file", "File to open", 0 },
00234 KCmdLineLastOption
00235 };
00236
00237 int main(int argc, char** argv)
00238 {
00239 KAboutData aboutData("math test", "KFormula test",
00240 "0.01", "test", KAboutData::License_GPL,
00241 "(c) 2003, Ulrich Kuettler");
00242 aboutData.addAuthor("Ulrich Kuettler",0, "ulrich.kuettler@gmx.de");
00243
00244 KCmdLineArgs::init(argc, argv, &aboutData);
00245 KCmdLineArgs::addCmdLineOptions(options);
00246
00247 KApplication app;
00248
00249 app.connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit()));
00250
00251 DocumentWrapper* wrapper = new DocumentWrapper( kapp->config(), 0 );
00252 Document* document = new Document;
00253 wrapper->document( document );
00254 Container* container1 = document->createFormula();
00255
00256 ScrollView* scrollview1a = new ScrollView;
00257
00258 KFormulaWidget* mw1a = new TestWidget(container1, scrollview1a, "test1a");
00259
00260 scrollview1a->addChild(mw1a);
00261 scrollview1a->setCaption("Test1a of the formula engine");
00262 scrollview1a->show();
00263
00264 KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
00265 for ( int i = 0; i < args->count(); ++i ) {
00266 QFileInfo fi( args->url( i ).path() );
00267 if ( fi.extension() == "mml" )
00268 loadMathML( container1, args->url( i ).path() );
00269 else if ( fi.extension() == "xml" )
00270 load( container1->document(), args->url( i ).path() );
00271 }
00272
00273 int result = app.exec();
00274
00275 delete container1;
00276 delete wrapper;
00277
00278
00279
00280 QApplication::clipboard()->clear();
00281
00282 int destruct = BasicElement::getEvilDestructionCount();
00283 if (destruct != 0) {
00284 std::cerr << "BasicElement::EvilDestructionCount: " << destruct << std::endl;
00285 }
00286 destruct = PlainCommand::getEvilDestructionCount();
00287 if (destruct != 0) {
00288 std::cerr << "PlainCommand::EvilDestructionCount: " << destruct << std::endl;
00289 }
00290 destruct = ElementType::getEvilDestructionCount();
00291 if (destruct != 0) {
00292 std::cerr << "ElementType::EvilDestructionCount: " << destruct << std::endl;
00293 }
00294
00295 return result;
00296 }
00297
00298 #include "scrollview.moc"