src/edit/editor.cpp

   1 #include <unistd.h>
   2 #include <QtCore/QTextStream>
   3 #include <QtGui/QApplication>
   4 #include <QtGui/QMenuBar>
   5 #include <QtGui/QFileDialog>
   6 #include <QtGui/QColor>
   7 #include <QtGui/QPalette>
   8 #include <QtGui/QTextDocument>
   9 #include <QtGui/QMainWindow>
  10 #include <QtGui/QStatusBar>
  11 #include <QtGui/QCheckBox>
  12 #include <QtGui/QVBoxLayout>
  13 #include <QtGui/QListWidget>
  14 #include <QtGui/QListWidgetItem>
  15
  16 #include "ProgramStructureDialog.h"
  17 #include "UnitStructureDialog.h"
  18 #include "PreferencesDialog.h"
  19 #include "FindDialog.h"
  20
  21 #include "editor.h"
  22
  23 namespace loglan {
  24 namespace vlp {
  25
  26 /**
  27  * Editor constructor. Initializes and sets variables of Loglan Editor.
  28  *
  29  * @param argc command line argc parameter
  30  * @param argv command line argv parameter
  31  */
  32 Editor::Editor(int argc, char **argv)
  33 {
  34         setupUi(this);
  35
  36         if (argc > 1) {
  37                 strcpy(HomeDir, argv[1]);
  38                 fprintf(stderr, "EDIT: HomeDir inited with: %s (%s)\n", HomeDir, argv[1]);
  39         }
  40
  41         find_text = "";
  42         sensitive = FALSE;
  43
  44         compiler_path.sprintf("%s/%s", HomeDir, "compile/logcomp");
  45         gen_path.sprintf("%s/%s", HomeDir, "compile/gen");
  46         file_path.sprintf("%s", HomeDir);
  47
  48
  49         connect(editor, SIGNAL(cursorPositionChanged()), this, SLOT(on_editor_cursorPositionChanged()));
  50 }
  51
  52 /**
  53  * Editor destructor
  54  */
  55 Editor::~Editor()
  56 {
  57 }
  58
  59 /**
  60  * Displays line:column position of cursor
  61  */
  62 void Editor::on_editor_cursorPositionChanged()
  63 {
  64         QString position;
  65         int cx;
  66         int cy;
  67
  68         cx = editor->textCursor().blockNumber();
  69         cy = editor->textCursor().columnNumber();
  70         position.sprintf("%d:%d", cx, cy);
  71
  72         statusBar()->showMessage(position);
  73 }
  74
  75 /**
  76  * Loads given file content to the editor.
  77  *
  78  * @param fileName Filename of file which will be read.
  79  */
  80 void Editor::load(const char *fileName)
  81 {
  82         fname.sprintf("%s", fileName);
  83
  84         QFile file(fileName);
  85         if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
  86                 return;
  87
  88         editor->clear();
  89
  90         QTextStream textStream(&file);
  91         while (!file.atEnd()) {
  92                 editor->append(textStream.readLine());
  93         }
  94
  95         file.close();
  96
  97         editor->repaint();
  98         setWindowTitle(fileName);
  99 }
 100
 101 /**
 102  * Saves editor content to the given filename.
 103  * @param fileName File name of the file where content should be saved.
 104  */
 105 void Editor::save(const char *fileName)
 106 {
 107         QFile file(fileName);
 108         if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
 109                 return;
 110
 111         file.reset();
 112         file.write(editor->toPlainText().toAscii().data(), editor->toPlainText().length());
 113         file.close();
 114 }
 115
 116 /**
 117  * Invokes compiler in the giving mode.
 118  * @param mode Mode of compilation. Possible values:
 119  *             - COMP_MODE - compilation mode
 120  *             - GEN_MODE - program generation mode
 121  *             - ALL_MODE - compilation & generation mode.
 122  */
 123 void Editor::compile(int mode)
 124 {
 125         char cmd[255];
 126         messages->setReadOnly(FALSE);
 127         messages->clear();
 128         messages->repaint();
 129
 130         /*i = fname.find('.');*/
 131         /* if (i>=0) {*/
 132
 133         /*  fn.truncate(i);*/
 134         switch(mode) {
 135         case COMP_MODE:
 136                 sprintf(cmd, "%s %s > comp_data!", compiler_path.toStdString().c_str(),
 137                                                         fname.toStdString().c_str());
 138                 break;
 139         case GEN_MODE:
 140                 sprintf(cmd, "%s %s > comp_data!", gen_path.toStdString().c_str(),
 141                                                         fname.toStdString().c_str());
 142                 break;
 143         case ALL_MODE:
 144                 sprintf(cmd, "%s %s > comp_data!", compiler_path.toStdString().c_str(),
 145                                                         fname.toStdString().c_str());
 146                 system(cmd);
 147                 sprintf(cmd, "%s %s >> comp_data!", gen_path.toStdString().c_str(),
 148                                                         fname.toStdString().c_str());
 149         break;
 150         }
 151
 152         system(cmd);
 153         QFile f("comp_data!");
 154         if (!f.open(QIODevice::ReadOnly | QIODevice::Text))
 155                 return;
 156
 157         QTextStream t(&f);
 158         while (!t.atEnd()) {
 159                 QString s = t.readLine();
 160                 messages->append(s);
 161         }
 162         f.close();
 163
 164         messages->setReadOnly(TRUE);
 165
 166         messages->repaint();
 167         unlink("comp_data!");
 168         /*}*/
 169 }
 170
 171 /**
 172  * Empties editor content.
 173  */
 174 void Editor::on_actionNew_triggered()
 175 {
 176         on_actionClear_all_triggered();
 177         fname.sprintf("%s", "");}
 178
 179 /**
 180  * Displays additional window
 181  */
 182 void Editor::on_actionOpen_triggered()
 183 {
 184         QString fn = QFileDialog::getOpenFileName(this, "Load file", file_path, "*.log");
 185         if (!fn.isEmpty())
 186                 load(fn.toAscii().data());
 187 }
 188
 189 /**
 190  * Saves editor content to the file.
 191  * If content has been read from file, it is written to this file. Otherwise
 192  * dialog is shown to save content to the specified by user, file.
 193  */
 194 void Editor::on_actionSave_triggered()
 195 {
 196         if (fname.isEmpty()) {
 197                 QString fn = QFileDialog::getSaveFileName(this, "Save file",
 198                                                         file_path, "*.log");
 199                 if (!fn.isEmpty()) {
 200                         fname.sprintf("%s", fn.toAscii().data());
 201                         save(fn.toAscii().data());
 202                 }
 203         } else {
 204                 save(fname.toAscii().data());
 205         }
 206         setWindowTitle(fname);
 207 }
 208
 209 /**
 210  * Saves editor content to the file.
 211  * Forces saving editor content to the new file. Special dialog is shown for
 212  * that purpose.
 213  */
 214 void Editor::on_actionSave_as_triggered()
 215 {
 216         QString fn = QFileDialog::getSaveFileName(this, "Save file as",
 217                                                         file_path, "*.log");
 218         if (!fn.isEmpty()) {
 219                 fname.sprintf("%s", fn.toAscii().data());
 220                 save(fn.toAscii().data());
 221         }
 222         setWindowTitle(fname);
 223 }
 224 void Editor::on_actionQuit_triggered()
 225 {
 226         QApplication::instance()->quit();
 227 }
 228 void Editor::on_actionCopy_triggered()
 229 {
 230         editor->copy();
 231 }
 232 void Editor::on_actionPaste_triggered()
 233 {
 234         editor->paste();
 235 }
 236 void Editor::on_actionCut_triggered()
 237 {
 238         editor->cut();
 239 }
 240 void Editor::on_actionClear_all_triggered()
 241 {
 242         editor->clear();
 243 }
 244
 245 /**
 246  * Searches for given text in editor content.
 247  * Displays window to set search parameters. If text is found sets cursor
 248  * position on it.
 249  */
 250 void Editor::on_actionFind_triggered()
 251 {
 252         dialog::FindDialog dialog(this);
 253
 254         if (dialog.exec()) {
 255                 sensitive = dialog.isCaseSensitive();
 256                 find_text = dialog.getSearchText();
 257
 258                 QTextDocument::FindFlags flags = 0;
 259
 260                 if (sensitive) {
 261                         flags |= QTextDocument::FindCaseSensitively;
 262                 }
 263
 264                 editor->find(find_text, flags);
 265         }
 266 }
 267
 268 /**
 269  * Searches for next occurence of given text in editor content.
 270  * Displays window to set search parameters. If text is found sets cursor
 271  * position on it.
 272  */
 273 void Editor::on_actionFind_Next_triggered()
 274 {
 275         if (!find_text.isEmpty()) {
 276                 QTextDocument::FindFlags flags = 0;
 277
 278                 if (sensitive) {
 279                         flags |= QTextDocument::FindCaseSensitively;
 280                 }
 281                 editor->find(find_text, flags);
 282         }
 283 }
 284
 285 /**
 286  * Displays window with editor properties
 287  */
 288 void Editor::on_actionPreferences_triggered()
 289 {
 290         dialog::PreferencesDialog dialog(this);
 291
 292         dialog.setCompilerPath(compiler_path);
 293         dialog.setFilesPath(file_path);
 294         dialog.setGenPath(gen_path);
 295
 296         if (dialog.exec()) {
 297                 compiler_path.sprintf("%s", dialog.getCompilerPath().toStdString().c_str());
 298                 gen_path.sprintf("%s",dialog.getGenPath().toStdString().c_str());
 299                 file_path.sprintf("%s", dialog.getFilesPath().toStdString().c_str());
 300         };
 301 }
 302
 303 /**
 304  * Saves and compiles code.
 305  */
 306 void Editor::on_actionCompile_triggered()
 307 {
 308         on_actionSave_triggered();
 309         compile(COMP_MODE);
 310 }
 311
 312 /**
 313  * Generates program.
 314  */
 315 void Editor::on_actionGen_triggered()
 316 {
 317         compile(GEN_MODE);
 318 }
 319
 320 /**
 321  * Saves, compiles and generates code.
 322  */
 323 void Editor::on_actionCompile_Gen_triggered()
 324 {
 325         on_actionSave_triggered();
 326         compile(ALL_MODE);
 327 }
 328
 329 void Editor::on_actionProgram_structure_triggered()
 330 {
 331         dialog::ProgramStructureDialog dialog(this);
 332
 333         if (dialog.exec()) {
 334                 editor->textCursor().insertText(dialog.getCode());
 335         }
 336 }
 337
 338 void Editor::on_actionUnit_structure_triggered()
 339 {
 340         dialog::UnitStructureDialog dialog(this);
 341
 342         if (dialog.exec()) {
 343                 editor->textCursor().insertText(dialog.getCode());
 344         }
 345 }
 346
 347 }
 348 }
 349
 350 /**
 351  * Program main function.
 352  * argv[1] is mandatory and should be a path to the home directory of
 353  * application (same as in configuration file).
 354  *
 355  * @param argc Number of program arguments
 356  * @param argv Program arguments
 357  */
 358 int main(int argc, char **argv)
 359 {
 360         QApplication app(argc, argv);
 361         loglan::vlp::Editor * editor = new loglan::vlp::Editor(argc, argv);
 362         editor->show();
 363         return app.exec();
 364 }
 365