src/YQUI_builtins.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:         YUIQt_builtins.cc
  14
  15   Author:       Stefan Hundhammer <sh@suse.de>
  16
  17   Textdomain    "packages-qt"
  18
  19 /-*/
  20
  21 #define USE_QT_CURSORS          1
  22 #define FORCE_UNICODE_FONT      0
  23
  24 #include <sys/stat.h>
  25 #include <unistd.h>
  26
  27 #include <QCursor>
  28 #include <QFileDialog>
  29 #include <QX11Info>
  30 #include <QMessageBox>
  31 #include <QPixmap>
  32 #include <QInputDialog>
  33
  34 #define y2log_component "qt-ui"
  35 #include <ycp/y2log.h>
  36
  37 #include "YQUI.h"
  38 #include "YEvent.h"
  39 #include "YMacroRecorder.h"
  40 #include "YUISymbols.h"
  41 #include "YQDialog.h"
  42 #include "YQSignalBlocker.h"
  43
  44 #include "utf8.h"
  45 #include "YQi18n.h"
  46
  47 #include <X11/Xlib.h>
  48
  49
  50 #define DEFAULT_MACRO_FILE_NAME         "macro.ycp"
  51
  52
  53
  54 YCPString
  55 YQUI::glyph( const YCPSymbol & glyphSymbol )
  56 {
  57     string sym = glyphSymbol->symbol();
  58     QChar unicodeChar;
  59
  60     // Hint: Use 'xfd' to view characters available in the Unicode font.
  61
  62     if      ( sym == YUIGlyph_ArrowLeft         )       unicodeChar = QChar( 0x2190 );
  63     else if ( sym == YUIGlyph_ArrowRight        )       unicodeChar = QChar( 0x2192 );
  64     else if ( sym == YUIGlyph_ArrowUp           )       unicodeChar = QChar( 0x2191 );
  65     else if ( sym == YUIGlyph_ArrowDown         )       unicodeChar = QChar( 0x2193 );
  66     else if ( sym == YUIGlyph_CheckMark         )       unicodeChar = QChar( 0x2714 );
  67     else if ( sym == YUIGlyph_BulletArrowRight  )       unicodeChar = QChar( 0x279c );
  68     else if ( sym == YUIGlyph_BulletCircle      )       unicodeChar = QChar( 0x274d );
  69     else if ( sym == YUIGlyph_BulletSquare      )       unicodeChar = QChar( 0x274f );
  70     else return YCPString( "" );
  71
  72     QString qstr( unicodeChar );
  73
  74     return YCPString( toUTF8( qstr ) );
  75 }
  76
  77
  78 YCPValue YQUI::runPkgSelection( YWidget * packageSelector )
  79 {
  80     y2milestone( "Running package selection..." );
  81     YCPValue input = YCPVoid();
  82
  83     try
  84     {
  85         input = evaluateUserInput();
  86     }
  87     catch (const std::exception & e)
  88     {
  89         y2error( "Caught std::exception: %s", e.what() );
  90         y2error( "This is a libzypp problem. Do not file a bug against the UI!" );
  91     }
  92     catch (...)
  93     {
  94         y2error( "Caught unspecified exception." );
  95         y2error( "This is a libzypp problem. Do not file a bug against the UI!" );
  96     }
  97
  98     y2milestone( "Package selection done - returning %s", input->toString().c_str() );
  99
 100     return input;
 101 }
 102
 103
 104 void YQUI::makeScreenShot( std::string stl_filename )
 105 {
 106
 107     //
 108     // Grab the pixels off the screen
 109     //
 110
 111     QWidget * dialog = (QWidget *) YDialog::currentDialog()->widgetRep();
 112     QPixmap screenShot = QPixmap::grabWindow( dialog->winId() );
 113     XSync( QX11Info::display(), false );
 114     QString fileName ( stl_filename.c_str() );
 115     bool interactive = false;
 116
 117     if ( fileName.isEmpty() )
 118     {
 119         interactive = true;
 120
 121         // Open a file selection box. Figure out a reasonable default
 122         // directory / file name.
 123
 124         if ( screenShotNameTemplate.isEmpty() )
 125         {
 126             //
 127             // Initialize screen shot directory
 128             //
 129
 130             QString home = QDir::homePath();
 131             char * ssdir = getenv("Y2SCREENSHOTS");
 132             QString dir  = ssdir ? ssdir : "yast2-screen-shots";
 133
 134             if ( home == "/" )
 135             {
 136                 // Special case: $HOME is not set. This is normal in the inst-sys.
 137                 // In this case, rather than simply dumping all screen shots into
 138                 // /tmp which is world-writable, let's try to create a subdirectory
 139                 // below /tmp with restrictive permissions.
 140                 // If that fails, trust nobody - in particular, do not suggest /tmp
 141                 // as the default in the file selection box.
 142
 143                 dir = "/tmp/" + dir;
 144
 145                 if ( mkdir( qPrintable(dir), 0700 ) == -1 )
 146                     dir = "";
 147             }
 148             else
 149             {
 150                 // For all others let's create a directory ~/yast2-screen-shots and
 151                 // simply ignore if this is already present. This gives the user a
 152                 // chance to create symlinks to a better location if he wishes so.
 153
 154                 dir = home + "/" + dir;
 155                 (void) mkdir( qPrintable(dir), 0750 );
 156             }
 157
 158             screenShotNameTemplate = dir + "/%s-%03d.png";
 159         }
 160
 161
 162         //
 163         // Figure out a file name
 164         //
 165
 166         const char * baseName = moduleName();
 167         if ( ! baseName ) baseName = "scr";
 168         int no = screenShotNo[ baseName ];
 169         fileName.sprintf( qPrintable(screenShotNameTemplate), baseName, no );
 170         y2debug( "screenshot: %s", qPrintable(fileName) );
 171
 172         {
 173             YQSignalBlocker sigBlocker( _user_input_timer );
 174
 175             fileName = askForSaveFileName( fileName, QString( "*.png" ) , _( "Save screen shot to..." ) );
 176         }
 177
 178         if ( fileName.isEmpty() )
 179         {
 180             y2debug( "Save screen shot canceled by user" );
 181             return;
 182         }
 183
 184         screenShotNo.insert( baseName, ++no );
 185     } // if fileName.isEmpty()
 186
 187
 188     //
 189     // Actually save the screen shot
 190     //
 191
 192     y2debug( "Saving screen shot to %s", qPrintable(fileName) );
 193     bool success = screenShot.save( fileName, "PNG" );
 194
 195     if ( ! success )
 196     {
 197         y2error( "Couldn't save screen shot %s", qPrintable(fileName) );
 198
 199         if ( interactive )
 200         {
 201             QMessageBox::warning( 0,                                    // parent
 202                                   "Error",                              // caption
 203                                   QString( "Couldn't save screen shot\nto %1" ).arg( fileName ),
 204                                   QMessageBox::Ok | QMessageBox::Default,       // button0
 205                                   Qt::NoButton,                         // button1
 206                                   Qt::NoButton );                       // button2
 207         }
 208     }
 209
 210     if ( recordingMacro() )
 211     {
 212         macroRecorder->beginBlock();
 213         YDialog::currentDialog()->saveUserInput( macroRecorder );
 214         macroRecorder->recordMakeScreenShot( true, qPrintable(fileName) );
 215         macroRecorder->recordUserInput( YCPVoid() );
 216         macroRecorder->endBlock();
 217     }
 218 }
 219
 220
 221 void YQUI::askSaveLogs()
 222 {
 223     QString fileName = askForSaveFileName( "/tmp/y2logs.tgz",                   // startWith
 224                                            "*.tgz *.tar.gz",                    // filter
 225                                            "Save y2logs to..." );               // headline
 226
 227     if ( ! fileName.isEmpty() )
 228     {
 229         QString saveLogsCommand = "/sbin/save_y2logs";
 230
 231         if ( access( saveLogsCommand.toAscii(), X_OK ) == 0 )
 232         {
 233             saveLogsCommand += " '" + fileName + "'";
 234             y2milestone( "Saving y2logs: %s", qPrintable(saveLogsCommand) );
 235             int result = system( qPrintable(saveLogsCommand) );
 236
 237             if ( result != 0 )
 238             {
 239                 y2error( "Error saving y2logs: \"%s\" exited with %d",
 240                          qPrintable(saveLogsCommand), result );
 241                 QMessageBox::warning( 0,                                        // parent
 242                                       "Error",                                  // caption
 243                                       QString( "Couldn't save y2logs to %1 - "
 244                                                "exit code %2" ).arg( fileName ).arg( result ),
 245                                       QMessageBox::Ok | QMessageBox::Default,   // button0
 246                                       QMessageBox::NoButton,                    // button1
 247                                       QMessageBox::NoButton );                  // button2
 248             }
 249             else
 250             {
 251                 y2milestone( "y2logs saved to %s", qPrintable(fileName) );
 252             }
 253         }
 254         else
 255         {
 256             y2error( "Error saving y2logs: Command %s not found",
 257                      qPrintable(saveLogsCommand) );
 258
 259             QMessageBox::warning( 0,                                            // parent
 260                                   "Error",                                      // caption
 261                                   QString( "Couldn't save y2logs to %1:\n"
 262                                            "Command %2 not found" ).arg( fileName ).arg( saveLogsCommand ),
 263                                   QMessageBox::Ok | QMessageBox::Default,       // button0
 264                                   QMessageBox::NoButton,                        // button1
 265                                   QMessageBox::NoButton );                      // button2
 266         }
 267     }
 268 }
 269
 270
 271 void YQUI::askConfigureLogging()
 272 {
 273     bool okButtonPressed = false;
 274     QStringList items;
 275     items << "Debug logging off"
 276           << "Debug logging on";
 277
 278     QString result = QInputDialog::getItem( _main_win,
 279                                           tr("YaST2 Logging"),
 280                                           tr("Configure YaST2 Logging:"),
 281                                           items, 0, get_log_debug() ? 1 : 0, &okButtonPressed);
 282     if ( okButtonPressed )
 283     {
 284         set_log_debug( result.endsWith( "on" ) );
 285         y2milestone( "Changing logging: %s - %s", qPrintable(result),
 286                      get_log_debug() ? "y2debug on" : "y2debug off" );
 287     }
 288 }
 289
 290
 291 void YQUI::toggleRecordMacro()
 292 {
 293     if ( recordingMacro() )
 294     {
 295         stopRecordMacro();
 296         normalCursor();
 297
 298         QMessageBox::information( 0,                                            // parent
 299                                   "YaST2 Macro Recorder",                       // caption
 300                                   "Macro recording done.",                      // text
 301                                   QMessageBox::Ok | QMessageBox::Default,       // button0
 302                                   QMessageBox::NoButton,                        // button1
 303                                   QMessageBox::NoButton );                      // button2
 304     }
 305     else
 306     {
 307         normalCursor();
 308
 309         QString filename =
 310             QFileDialog::getSaveFileName( 0,
 311                                           "Select Macro File to Record to",
 312                                           DEFAULT_MACRO_FILE_NAME,              // startWith
 313                                           "*.ycp"                             // filter
 314                                           );
 315
 316         if ( ! filename.isEmpty() )     // file selection dialog has been cancelled
 317         {
 318             recordMacro( qPrintable(filename) );
 319         }
 320     }
 321 }
 322
 323
 324 void YQUI::askPlayMacro()
 325 {
 326     normalCursor();
 327
 328     QString filename =
 329         QFileDialog::getOpenFileName( 0,
 330                                       "Select Macro File to Play",
 331                                       DEFAULT_MACRO_FILE_NAME,          // startWith
 332                                       "*.ycp" );
 333     busyCursor();
 334
 335     if ( ! filename.isEmpty() ) // file selection dialog has been cancelled
 336     {
 337         playMacro( qPrintable(filename) );
 338
 339         // Do special magic to get out of any UserInput() loop right now
 340         // without doing any harm - otherwise this would hang until the next
 341         // mouse click on a PushButton etc.
 342
 343         sendEvent( new YEvent() );
 344
 345         if ( _do_exit_loop )
 346         {
 347             _eventLoop->exit();
 348         }
 349     }
 350 }
 351
 352
 353
 354 YCPValue YQUI::askForExistingDirectory( const YCPString & startDir,
 355                                          const YCPString & headline )
 356 {
 357     normalCursor();
 358
 359     QString dir_name =
 360         QFileDialog::getExistingDirectory( _main_win,
 361                                            fromUTF8( headline->value() ),
 362                                            fromUTF8( startDir->value() ) );
 363     busyCursor();
 364
 365     if ( dir_name.isEmpty() )   // this includes dir_name.isNull()
 366         return YCPVoid();       // nothing selected -> return 'nil'
 367
 368     return YCPString( toUTF8( dir_name ) );
 369 }
 370
 371
 372 YCPValue YQUI::askForExistingFile( const YCPString & startWith,
 373                                    const YCPString & filter,
 374                                    const YCPString & headline )
 375 {
 376     normalCursor();
 377
 378     QString file_name =
 379         QFileDialog::getOpenFileName( _main_win,                        // parent
 380                                       fromUTF8( headline->value() ),
 381                                       fromUTF8( startWith->value() ),
 382                                       fromUTF8( filter->value() ) );
 383     busyCursor();
 384
 385     if ( file_name.isEmpty() )  // this includes file_name.isNull()
 386         return YCPVoid();       // nothing selected -> return 'nil'
 387
 388     return YCPString( toUTF8( file_name ) );
 389 }
 390
 391
 392 YCPValue YQUI::askForSaveFileName( const YCPString & startWith,
 393                                    const YCPString & filter,
 394                                    const YCPString & headline )
 395 {
 396     normalCursor();
 397
 398     QString file_name = askForSaveFileName( fromUTF8( startWith->value() ),
 399                                             fromUTF8( filter->value() ),
 400                                             fromUTF8( headline->value() ) );
 401     busyCursor();
 402
 403     if ( file_name.isEmpty() )          // this includes file_name.isNull()
 404         return YCPVoid();               // nothing selected -> return 'nil'
 405
 406     return YCPString( toUTF8( file_name ) );
 407 }
 408
 409
 410
 411 QString YQUI::askForSaveFileName( const QString & startWith,
 412                                   const QString & filter,
 413                                   const QString & headline )
 414 {
 415     QString file_name;
 416     bool try_again = false;
 417
 418     do
 419     {
 420         // Leave the mouse cursor alone - this function might be called from
 421         // some other widget, not only from UI::AskForSaveFileName().
 422
 423         file_name = QFileDialog::getSaveFileName( _main_win,
 424                                                   headline,
 425                                                   startWith,
 426                                                   filter );
 427
 428         if ( file_name.isEmpty() )      // this includes file_name.isNull()
 429             return QString::null;
 430
 431
 432         if ( access( qPrintable(file_name), F_OK ) == 0 )    // file exists?
 433         {
 434             QString msg;
 435
 436             if ( access( qPrintable(file_name), W_OK ) == 0 )
 437             {
 438                 // Confirm if the user wishes to overwrite an existing file
 439                 msg = ( _( "%1 exists! Really overwrite?" ) ).arg( file_name );
 440             }
 441             else
 442             {
 443                 // Confirm if the user wishes to overwrite a write-protected file %1
 444                 msg = ( _( "%1 exists and is write-protected!\nReally overwrite?" ) ).arg( file_name );
 445             }
 446
 447             int button_no = QMessageBox::information( _main_win,
 448                                                       // Window title for confirmation dialog
 449                                                       _( "Confirm"   ),
 450                                                       msg,
 451                                                       _( "C&ontinue" ),
 452                                                       _( "&Cancel"   ) );
 453             try_again = ( button_no != 0 );
 454         }
 455
 456     } while ( try_again );
 457
 458     return file_name;
 459 }
 460
 461
 462 // EOF