自学教程：C++ DEBUG_MAKE_INDENT函数代码示例

GMap<GUTF8String, GUTF8String>DjVuANT::get_metadata(GLParser & parser){  DEBUG_MSG("DjVuANT::get_map_areas(): forming and returning back list of map areas/n");  DEBUG_MAKE_INDENT(3);    GMap<GUTF8String, GUTF8String> mdata;    GPList<GLObject> list=parser.get_list();  for(GPosition pos=list;pos;++pos)    {      GLObject & obj=*list[pos];      if (obj.get_type()==GLObject::LIST && obj.get_name()==METADATA_TAG)          {           G_TRY             {              for(int obj_num=0;obj_num<obj.get_list().size();obj_num++)                {                  GLObject & el=*obj[obj_num];                  const int type = el.get_type();                  if (type == GLObject::LIST)                    {                       const GUTF8String & name=el.get_name();                        mdata[name]=(el[0])->get_string();                    }                }            }           G_CATCH_ALL { } G_ENDCATCH;        }    }

voidGIFFChunk::set_name(GUTF8String name){  DEBUG_MSG("GIFFChunk::set_name(): name='" << name << "'/n");  DEBUG_MAKE_INDENT(3);  const int colon=name.search(':');  if(colon>=0)  {    type=name.substr(0,colon);    name=name.substr(colon+1,(unsigned int)-1);    if(name.search(':')>=0)      G_THROW( ERR_MSG("GIFFManager.one_colon") );  }  DEBUG_MSG("auto-setting type to '" << type << "'/n");  if (name.contains(".[]")>=0)    G_THROW( ERR_MSG("GIFFManager.bad_char") );  strncpy(GIFFChunk::name, (const char *)name, 4);  GIFFChunk::name[4]=0;  for(int i=strlen(GIFFChunk::name);i<4;i++)    GIFFChunk::name[i]=' ';}

voidQDBase::createCursors(void){   DEBUG_MSG("QDBase::createCursors(): loading cursors.../n");   DEBUG_MAKE_INDENT(3);#ifdef UNIX   QSize wait_size(wait_width, wait_height);   cur_wait=new QCursor(QBitmap(wait_size, (u_char *) wait_bits, TRUE),		    QBitmap(wait_size, (u_char *) wait_mask_bits, TRUE),		    wait_x, wait_y);   QSize hand1_size(hand1_width, hand1_height);   cur_hand1=new QCursor(QBitmap(hand1_size, (u_char *) hand1_bits, TRUE),		     QBitmap(hand1_size, (u_char *) hand1_mask_bits, TRUE),		     hand1_x, hand1_y);   QSize hand2_size(hand2_width, hand2_height);   cur_hand2=new QCursor(QBitmap(hand2_size, (u_char *) hand2_bits, TRUE),		     QBitmap(hand2_size, (u_char *) hand2_mask_bits, TRUE),		     hand2_x, hand2_y);   QSize zoom_select_size(zoom_select_width, zoom_select_height);   cur_zoom_select=new QCursor(QBitmap(zoom_select_size,                                        (u_char *) zoom_select_bits, TRUE),                               QBitmap(zoom_select_size,                                        (u_char *) zoom_select_mask_bits, TRUE),		     zoom_select_x, zoom_select_y);   cur_hand_hl=new QCursor(ArrowCursor);	// TODO: get X11 cursor instead   cur_ptr=new QCursor(ArrowCursor);   cur_blank=new QCursor(BlankCursor);#endif}

voidDjVuFileCache::add_file(const GP<DjVuFile> & file){   DEBUG_MSG("DjVuFileCache::add_file(): trying to add a new item/n");   DEBUG_MAKE_INDENT(3);   GCriticalSectionLock lock(&class_lock);      // See if the file is already cached   GPosition pos;   for(pos=list;pos;++pos)      if (list[pos]->get_file()==file) break;      if (pos) list[pos]->refresh();	// Refresh the timestamp   else   {	 // Doesn't exist in the list yet      int _max_size=enabled ? max_size : 0;      if (max_size<0) _max_size=max_size;      int add_size=file->get_memory_usage();         if (_max_size>=0 && add_size>_max_size)      {	 DEBUG_MSG("but this item is way too large => doing nothing/n");	 return;      }      if (_max_size>=0) clear_to_size(_max_size-add_size);      list.append(new Item(file));      cur_size+=add_size;      file_added(file);   }}

voidDjVuViewer::attach(QWidget * parent){   DEBUG_MSG("DjVuViewer::attach(): attaching to parent=" << parent << "/n");   DEBUG_MAKE_INDENT(3);   qeApp->killWidget(viewer); viewer=0;      if (!doc_pool)   {	 // Postpone attachment until the data is known.      attach_postpone=true;      attach_parent=parent;   } else   {      viewer=new QDViewer(in_netscape, plugin_data, parent, "qd_viewer");      connect(viewer, SIGNAL(destroyed(void)), this, SLOT(slotViewerDestroyed(void)));      connect(viewer, SIGNAL(sigShowStatus(const QString &)),	      this, SIGNAL(sigShowStatus(const QString &)));      connect(viewer, SIGNAL(sigGetURL(const GURL &, const GUTF8String &)),	      this, SIGNAL(sigGetURL(const GURL &, const GUTF8String &)));      viewer->resize(parent->size());      viewer->show();      parent->installEventFilter(this);	 // What if we're being reattached by Netscape? Set DjVuImage immediately.      if (document)        viewer->setDjVuDocument(document, plugin_data.page_id);   }}

DjVuViewer::DjVuViewer(int _in_netscape, const QDViewer::PluginData & _plugin_data) :      QObject(0, "djvu_viewer"), plugin_data(_plugin_data), in_netscape(_in_netscape){   DEBUG_MSG("DjVuViewer::DjVuViewer(): initializing class.../n");   DEBUG_MAKE_INDENT(3);   request_data_cb=0;   request_data_cl_data=0;   attach_postpone=false;      port=new DjVuViewerPort(this);      viewer=0;#if THREADMODEL==COTHREADS   if (!QDThrYielder::isInitialized()) QDThrYielder::initialize();#endif   messenger.setLookAhead(1);         // Connect signals of the QDMessenger   connect(&messenger, SIGNAL(sigGetURL(const GURL &, const GUTF8String &)),	   this, SIGNAL(sigGetURL(const GURL &, const GUTF8String &)));   connect(&messenger, SIGNAL(sigShowError(const GUTF8String &, const GUTF8String &)),	   this, SLOT(slotShowError(const GUTF8String &, const GUTF8String &)));   connect(&messenger, SIGNAL(sigShowStatus(const QString &)),	   this, SIGNAL(sigShowStatus(const QString &)));}

voidQDBase::decodeAnno(bool allow_redraw)      // Will create DjVuAnno and call processAnno(){   DEBUG_MSG("QDBase::decodeAnno(): decoding.../n");   DEBUG_MAKE_INDENT(3);      if ( !dimg ) return;   G_TRY {      bool anno_processed=false;      anno=dimg->get_decoded_anno();            if (anno && anno->ant)      {	 processAnno(allow_redraw);	 anno_processed=true;      }      if (!anno_processed)      {	 // If we didn't find anything to process, clean annotations	 // from the previous (if any) page.	 cleanAnno(allow_redraw);      }   } G_CATCH(exc) {      anno=0;      showError(this, exc);   } G_ENDCATCH;}

voidMapArea::attachWindow(QWidget * _pane, GRectMapper * _mapper){   DEBUG_MSG("MapArea::attachWindow(): attaching the window.../n");   DEBUG_MAKE_INDENT(3);   pane=_pane; mapper=_mapper;      initBorder();}

QDViewerPrefs::QDViewerPrefs(DjVuPrefs * _prefs, QWidget * parent,			     const char * name, bool modal) :      QeDialog(parent, name, modal), cache_disabled(false), prefs(_prefs){   DEBUG_MSG("QDViewerPrefs::QDViewerPrefs(): Creating Viewer Prefs dialog.../n");   DEBUG_MAKE_INDENT(3);   setCaption(tr("DjVu: Viewer Preferences"));   QWidget *start = startWidget();   QVBoxLayout * top_vlay=new QVBoxLayout(start, 10, 5, "top_vlay");   QTabWidget *tabwidget = new QTabWidget(start, "tabwidget");   top_vlay->addWidget(tabwidget);         // *** Tabs   gamma_prefs = new QDGammaPrefs(_prefs, tabwidget, "gamma_prefs");   tabwidget->addTab(gamma_prefs, tr("Gamma"));   tbar_prefs=new QDTbarPrefs(_prefs, tabwidget, "tbar_prefs");   tabwidget->addTab(tbar_prefs, tr("Toolbar"));   hlink_prefs=new QDHlinkPrefs(_prefs, tabwidget, "hlink_prefs");   tabwidget->addTab(hlink_prefs, tr("Links"));   lens_prefs=new QDLensPrefs(_prefs, tabwidget, "lens_prefs");   tabwidget->addTab(lens_prefs, tr("Lens"));   cache_prefs=new QDCachePrefs(_prefs, true, tabwidget, "cache_prefs");   tabwidget->addTab(cache_prefs, tr("Cache"));   optim_prefs=new QDOptimPrefs(_prefs, tabwidget, "optim_prefs");   tabwidget->addTab(optim_prefs, tr("Optimization"));      // ** Bottom Row   QHBoxLayout * butt_lay=new QHBoxLayout(top_vlay, 2);   global_butt=new QCheckBox(tr("Save preferences."), start, "global_butt");   global_butt->setChecked(TRUE);   butt_lay->addWidget(global_butt);   butt_lay->addStretch(1);#ifndef QT1   QPushButton * help_butt=new QPushButton(tr("Help"), start, "ok_butt");   butt_lay->addWidget(help_butt);#endif   QPushButton * ok_butt=new QPushButton(tr("&OK"), start, "ok_butt");   ok_butt->setDefault(TRUE);   butt_lay->addWidget(ok_butt);   QPushButton * cancel_butt=new QPushButton(tr("&Cancel"), start, "cancel_butt");   butt_lay->addWidget(cancel_butt);      // Connecting signals and slots#ifndef QT1   connect(help_butt, SIGNAL(clicked(void)), this, SLOT(slotHelp(void)));#endif   connect(ok_butt, SIGNAL(clicked(void)), this, SLOT(accept(void)));   connect(cancel_butt, SIGNAL(clicked(void)), this, SLOT(reject(void)));   connect(global_butt, SIGNAL(toggled(bool)), this, SLOT(slotGlobalToggled(bool)));   connect(hlink_prefs, SIGNAL(sigHotKeyChanged(DjVuPrefs::HLButtType)),	   lens_prefs, SLOT(slotHlHotKeyChanged(DjVuPrefs::HLButtType)));   connect(lens_prefs, SIGNAL(sigHotKeyChanged(DjVuPrefs::MagButtType)),	   hlink_prefs, SLOT(slotMagHotKeyChanged(DjVuPrefs::MagButtType)));}

voidQDViewerPrefs::done(int rc){   DEBUG_MSG("QDViewerPrefs::done() called/n");   DEBUG_MAKE_INDENT(3);      if (rc==Accepted)   {      DEBUG_MSG("OK pressed. Updating preferences structure/n");      DjVuPrefs disk_prefs;      disk_prefs.dScreenGamma=prefs->dScreenGamma        =gamma_prefs->displGamma();      disk_prefs.dPrinterGamma=prefs->dPrinterGamma        = ((gamma_prefs->match()) ? 0 : gamma_prefs->printGamma());      disk_prefs.fastZoom=prefs->fastZoom        =optim_prefs->fastZoom();      disk_prefs.fastThumb=prefs->fastThumb        =optim_prefs->fastThumb();      disk_prefs.optimizeLCD=prefs->optimizeLCD        =optim_prefs->optimizeLCD();      disk_prefs.hlinksPopup=prefs->hlinksPopup        =!hlink_prefs->disablePopup();      disk_prefs.hlinksBorder=prefs->hlinksBorder        =hlink_prefs->simpleBorder();      disk_prefs.hlb_num=prefs->hlb_num        =hlink_prefs->hlinkKey();      disk_prefs.magnifierSize=prefs->magnifierSize        =lens_prefs->size();      disk_prefs.magnifierScale=prefs->magnifierScale        =lens_prefs->scale();      disk_prefs.magnifierHotKey=prefs->magnifierHotKey        =lens_prefs->hotKey();      disk_prefs.mcacheSize=prefs->mcacheSize        =cache_prefs->mcacheSize();      disk_prefs.pcacheSize=prefs->pcacheSize        =cache_prefs->pcacheSize();      disk_prefs.toolBarOn=prefs->toolBarOn        =tbar_prefs->enabled();      disk_prefs.toolBarAlwaysVisible=prefs->toolBarAlwaysVisible        =tbar_prefs->visible();      disk_prefs.toolBarDelay=prefs->toolBarDelay        =tbar_prefs->delay();      if (global_butt->isChecked()) disk_prefs.save();   } else   {      DEBUG_MSG("Cancel pressed./n");   }   QeDialog::done(rc);}

QDHlinkPrefs::QDHlinkPrefs(DjVuPrefs * prefs, QWidget * parent, const char * name) :      QWidget(parent, name){   DEBUG_MSG("QDHlinkPrefs::QDHlinkOptimPrefs(): .../n");   DEBUG_MAKE_INDENT(3);   QVBoxLayout * vlay=new QVBoxLayout(this, 10, 5, "hlink_vlay");   vlay->addSpacing(fontMetrics().height());   vlay->addStretch(1);   popup_butt=new QCheckBox(tr("Disable hyperlink popup messages."),			     this, "popup_butt");   popup_butt->setChecked(!prefs->hlinksPopup);   vlay->addWidget(popup_butt);      border_butt=new QCheckBox(tr("Draw hyperlinks using simple border."), 			      this, "border_butt");   border_butt->setChecked(prefs->hlinksBorder);   vlay->addWidget(border_butt);   vlay->addStretch(1);   QHBoxLayout * hlay=new QHBoxLayout(vlay, 5);   QLabel * key_label=new QLabel(tr("/"Show all hyperlinks/" key:"), this);   hlay->addWidget(key_label);   key_menu=new QComboBox(this, "key_menu");   for(int i=0;i<DjVuPrefs::HLB_ITEMS;i++)      key_menu->insertItem(DjVuPrefs::hlb_names[i], i);   key_menu->setCurrentItem(prefs->hlb_num);   hlay->addWidget(key_menu);   vlay->addStretch(2);   connect(key_menu, SIGNAL(activated(int)),	   this, SLOT(slotHotKeyChanged(int)));#ifndef QT1   QWhatsThis::add(this,                   tr("<b>Hyperlinks:</b><ul>"                      "<li>Hyperlinks are hilited when the mouse hovers"                      " above the hyperlink region or when the"                      " the key combination specified"                      " in the <i>show all hyperlinks</i> box"                      " is depressed.</li>"                      "<li>The <i>disable hyperlink popups</i> option"                      " hides the popup messages optionally associated with"                      " the hyperlinks.</li>"                      "<li>The <i>draw using simple border</i> option"                      " selects simpler hiliting effects.</li>"                      "</ul>"));#endif}

GP<DjVuImage>QDDecoder::getPageImage(int page_num){    DEBUG_MSG("QDDecoder::getPageImage(): page_num=" << page_num << "/n");    DEBUG_MAKE_INDENT(3);    last_done=0;    if (progress_dlg) progress_dlg->setProgress(0);    image=document->get_page(page_num, false, port.getPort());    waitTillDecodingEnds();    if (image->get_djvu_file()->is_decode_ok()) return image;    else return 0;}