/[svn]/gigedit/trunk/src/mainwindow.cpp
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Diff of /gigedit/trunk/src/mainwindow.cpp

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revision 1082 by schoenebeck, Thu Mar 8 01:43:18 2007 UTC revision 1097 by schoenebeck, Wed Mar 14 23:19:26 2007 UTC
# Line 27  Line 27 
27  #if GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION >= 6  #if GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION >= 6
28  #define ABOUT_DIALOG  #define ABOUT_DIALOG
29  #include <gtkmm/aboutdialog.h>  #include <gtkmm/aboutdialog.h>
30    #include <gtkmm/messagedialog.h>
31    #include <gtkmm/targetentry.h>
32  #endif  #endif
33    
34    #include <stdio.h>
35    #include <sndfile.h>
36    
37  #define _(String) gettext(String)  #define _(String) gettext(String)
38    
39  template<class T> inline std::string ToString(T o) {  template<class T> inline std::string ToString(T o) {
# Line 386  void MainWindow::addProp(LabelWidget& pr Line 391  void MainWindow::addProp(LabelWidget& pr
391    
392  MainWindow::MainWindow() :  MainWindow::MainWindow() :
393  //    eSample("Sample", wSample),  //    eSample("Sample", wSample),
     eVelocityUpperLimit("VelocityUpperLimit",  
                         &gig::DimensionRegion::VelocityUpperLimit),  
394      eEG1PreAttack("PreAttack", &gig::DimensionRegion::EG1PreAttack, 0, 100, 2),      eEG1PreAttack("PreAttack", &gig::DimensionRegion::EG1PreAttack, 0, 100, 2),
395      eEG1Attack("Attack", &gig::DimensionRegion::EG1Attack, 0, 60, 3),      eEG1Attack("Attack", &gig::DimensionRegion::EG1Attack, 0, 60, 3),
396      eEG1Decay1("Decay1", &gig::DimensionRegion::EG1Decay1, 0.005, 60, 3),      eEG1Decay1("Decay1", &gig::DimensionRegion::EG1Decay1, 0.005, 60, 3),
# Line 516  MainWindow::MainWindow() : Line 519  MainWindow::MainWindow() :
519      eSampleLoops("SampleLoops", &access_SampleLoops, 0, 1)      eSampleLoops("SampleLoops", &access_SampleLoops, 0, 1)
520  {  {
521  //    set_border_width(5);  //    set_border_width(5);
522      set_default_size(400, 200);  //    set_default_size(400, 200);
523    
524    
525      add(m_VBox);      add(m_VBox);
# Line 530  MainWindow::MainWindow() : Line 533  MainWindow::MainWindow() :
533          sigc::mem_fun(*this, &MainWindow::on_button_release));          sigc::mem_fun(*this, &MainWindow::on_button_release));
534    
535      // Add the TreeView tab, inside a ScrolledWindow, with the button underneath:      // Add the TreeView tab, inside a ScrolledWindow, with the button underneath:
536      m_ScrolledWindow.add(m_TreeViewNotebook);      m_ScrolledWindow.add(m_TreeView);
537      m_ScrolledWindow.set_size_request(400, 600);  //    m_ScrolledWindow.set_size_request(200, 600);
538      m_ScrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);      m_ScrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
539    
540        m_ScrolledWindowSamples.add(m_TreeViewSamples);
541        m_ScrolledWindowSamples.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
542    
543    
544      for (int i = 0 ; i < 5 ; i++) {      for (int i = 0 ; i < 5 ; i++) {
545          table[i] = new Gtk::Table(3, 1);          table[i] = new Gtk::Table(3, 1);
546          table[i]->set_col_spacings(5);          table[i]->set_col_spacings(5);
# Line 544  MainWindow::MainWindow() : Line 551  MainWindow::MainWindow() :
551      firstRowInBlock = 0;      firstRowInBlock = 0;
552    
553      addString("Sample", lSample, wSample);      addString("Sample", lSample, wSample);
554      addProp(eVelocityUpperLimit);      //TODO: the following would break drag&drop:   wSample->property_editable().set_value(false);  or this:    wSample->set_editable(false);
555      addHeader("EG1");      addHeader("EG1");
556      addProp(eEG1PreAttack);      addProp(eEG1PreAttack);
557      addProp(eEG1Attack);      addProp(eEG1Attack);
# Line 783  MainWindow::MainWindow() : Line 790  MainWindow::MainWindow() :
790      m_Notebook.append_page(*table[2], "EG3");      m_Notebook.append_page(*table[2], "EG3");
791      m_Notebook.append_page(*table[3], "Velocity");      m_Notebook.append_page(*table[3], "Velocity");
792      m_Notebook.append_page(*table[4], "Misc");      m_Notebook.append_page(*table[4], "Misc");
793      m_Notebook.set_size_request(400, 500);  //    m_Notebook.set_size_request(400, 500);
794    
795      m_HPaned.add1(m_ScrolledWindow);      m_TreeViewNotebook.set_size_request(300);
796        m_HPaned.add1(m_TreeViewNotebook);
797      m_HPaned.add2(m_Notebook);      m_HPaned.add2(m_Notebook);
798    
799    
800      m_TreeViewNotebook.append_page(m_TreeViewSamples, "Samples");      m_TreeViewNotebook.append_page(m_ScrolledWindowSamples, "Samples");
801      m_TreeViewNotebook.append_page(m_TreeView, "Instruments");      m_TreeViewNotebook.append_page(m_ScrolledWindow, "Instruments");
802    
803    
804      actionGroup = Gtk::ActionGroup::create();      actionGroup = Gtk::ActionGroup::create();
# Line 851  MainWindow::MainWindow() : Line 859  MainWindow::MainWindow() :
859          sigc::mem_fun(*this, &MainWindow::on_action_add_group)          sigc::mem_fun(*this, &MainWindow::on_action_add_group)
860      );      );
861      actionGroup->add(      actionGroup->add(
862          Gtk::Action::create("AddSample", _("Add _Sample")),          Gtk::Action::create("AddSample", _("Add _Sample(s)")),
863          sigc::mem_fun(*this, &MainWindow::on_action_add_sample)          sigc::mem_fun(*this, &MainWindow::on_action_add_sample)
864      );      );
865      actionGroup->add(      actionGroup->add(
# Line 916  MainWindow::MainWindow() : Line 924  MainWindow::MainWindow() :
924      // Create the Tree model:      // Create the Tree model:
925      m_refTreeModel = Gtk::ListStore::create(m_Columns);      m_refTreeModel = Gtk::ListStore::create(m_Columns);
926      m_TreeView.set_model(m_refTreeModel);      m_TreeView.set_model(m_refTreeModel);
927        m_refTreeModel->signal_row_changed().connect(
928            sigc::mem_fun(*this, &MainWindow::instrument_name_changed)
929        );
930    
931      // Add the TreeView's view columns:      // Add the TreeView's view columns:
932      m_TreeView.append_column("Instrument", m_Columns.m_col_name);      m_TreeView.append_column_editable("Instrument", m_Columns.m_col_name);
933      m_TreeView.set_headers_visible(false);      m_TreeView.set_headers_visible(false);
934    
935      // create samples treeview (including its data model)      // create samples treeview (including its data model)
936      m_refSamplesTreeModel = Gtk::TreeStore::create(m_SamplesModel);      m_refSamplesTreeModel = SamplesTreeStore::create(m_SamplesModel);
937      m_TreeViewSamples.set_model(m_refSamplesTreeModel);      m_TreeViewSamples.set_model(m_refSamplesTreeModel);
938      m_TreeViewSamples.append_column("Samples", m_SamplesModel.m_col_name);      m_TreeViewSamples.append_column_editable("Samples", m_SamplesModel.m_col_name);
939      m_TreeViewSamples.set_headers_visible(false);      m_TreeViewSamples.set_headers_visible(false);
940      m_TreeViewSamples.signal_button_press_event().connect_notify(      m_TreeViewSamples.signal_button_press_event().connect_notify(
941          sigc::mem_fun(*this, &MainWindow::on_sample_treeview_button_release)          sigc::mem_fun(*this, &MainWindow::on_sample_treeview_button_release)
942      );      );
943        m_refSamplesTreeModel->signal_row_changed().connect(
944            sigc::mem_fun(*this, &MainWindow::sample_name_changed)
945        );
946    
947        // establish drag&drop between samples tree view and dimension region 'Sample' text entry
948        std::list<Gtk::TargetEntry> drag_target_gig_sample;
949        drag_target_gig_sample.push_back( Gtk::TargetEntry("gig::Sample") );
950    //drag_target_gig_sample.push_back( Gtk::TargetEntry("STRING") );
951    //drag_target_gig_sample.push_back( Gtk::TargetEntry("text/plain") );
952        m_TreeViewSamples.drag_source_set(drag_target_gig_sample);
953        m_TreeViewSamples.signal_drag_data_get().connect(
954            sigc::mem_fun(*this, &MainWindow::on_sample_treeview_drag_data_get)
955        );
956        wSample->drag_dest_set(drag_target_gig_sample);
957        wSample->signal_drag_data_received().connect(
958            sigc::mem_fun(*this, &MainWindow::on_sample_label_drop_drag_data_received)
959        );
960    
961      file = 0;      file = 0;
962    
# Line 968  void MainWindow::set_dim_region(gig::Dim Line 996  void MainWindow::set_dim_region(gig::Dim
996  {  {
997      update_gui = false;      update_gui = false;
998      wSample->set_text(d->pSample ? d->pSample->pInfo->Name.c_str() : "NULL");      wSample->set_text(d->pSample ? d->pSample->pInfo->Name.c_str() : "NULL");
     eVelocityUpperLimit.set_dimreg(d);  
999      eEG1PreAttack.set_dimreg(d);      eEG1PreAttack.set_dimreg(d);
1000      eEG1Attack.set_dimreg(d);      eEG1Attack.set_dimreg(d);
1001      eEG1Decay1.set_dimreg(d);      eEG1Decay1.set_dimreg(d);
# Line 1276  LoadDialog::LoadDialog() Line 1303  LoadDialog::LoadDialog()
1303    
1304  void MainWindow::on_action_file_new()  void MainWindow::on_action_file_new()
1305  {  {
1306        m_SampleImportQueue.clear();
1307  }  }
1308    
1309  void MainWindow::on_action_file_open()  void MainWindow::on_action_file_open()
# Line 1298  void MainWindow::on_action_file_open() Line 1326  void MainWindow::on_action_file_open()
1326          }          }
1327          instrument_menu->get_submenu()->items().clear();          instrument_menu->get_submenu()->items().clear();
1328    
1329            m_SampleImportQueue.clear();
1330          m_refTreeModel->clear();          m_refTreeModel->clear();
1331          m_refSamplesTreeModel->clear();          m_refSamplesTreeModel->clear();
1332          if (file) delete file;          if (file) delete file;
# Line 1337  void MainWindow::on_loader_finished() Line 1366  void MainWindow::on_loader_finished()
1366    
1367  void MainWindow::on_action_file_save()  void MainWindow::on_action_file_save()
1368  {  {
1369        if (!file) return;
1370        std::cout << "Saving file\n" << std::flush;
1371        try {
1372            file->Save();
1373        } catch (RIFF::Exception e) {
1374            Glib::ustring txt = "Could not save file: " + e.Message;
1375            Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
1376            msg.run();
1377            return;
1378        }
1379        std::cout << "Saving file done\n" << std::flush;
1380        __import_queued_samples();
1381  }  }
1382    
1383  void MainWindow::on_action_file_save_as()  void MainWindow::on_action_file_save_as()
1384  {  {
1385        if (!file) return;
1386      Gtk::FileChooserDialog dialog(*this, "Open", Gtk::FILE_CHOOSER_ACTION_SAVE);      Gtk::FileChooserDialog dialog(*this, "Open", Gtk::FILE_CHOOSER_ACTION_SAVE);
1387      dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);      dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1388      dialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_OK);      dialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_OK);
# Line 1349  void MainWindow::on_action_file_save_as( Line 1391  void MainWindow::on_action_file_save_as(
1391      dialog.set_filter(filter);      dialog.set_filter(filter);
1392      if (dialog.run() == Gtk::RESPONSE_OK) {      if (dialog.run() == Gtk::RESPONSE_OK) {
1393          printf("filename=%s\n", dialog.get_filename().c_str());          printf("filename=%s\n", dialog.get_filename().c_str());
1394          file->Save(dialog.get_filename());          try {
1395                file->Save(dialog.get_filename());
1396            } catch (RIFF::Exception e) {
1397                Glib::ustring txt = "Could not save file: " + e.Message;
1398                Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
1399                msg.run();
1400                return;
1401            }
1402            __import_queued_samples();
1403        }
1404    }
1405    
1406    // actually write the sample(s)' data to the gig file
1407    void MainWindow::__import_queued_samples() {
1408        std::cout << "Starting sample import\n" << std::flush;
1409        Glib::ustring error_files;
1410        printf("Samples to import: %d\n", m_SampleImportQueue.size());
1411        for (std::list<SampleImportItem>::iterator iter = m_SampleImportQueue.begin(); iter != m_SampleImportQueue.end(); ) {
1412            printf("Importing sample %s\n",(*iter).sample_path.c_str());
1413            SF_INFO info;
1414            info.format = 0;
1415            SNDFILE* hFile = sf_open((*iter).sample_path.c_str(), SFM_READ, &info);
1416            try {
1417                if (!hFile) throw std::string("could not open file");
1418                // determine sample's bit depth
1419                int bitdepth;
1420                switch (info.format & 0xff) {
1421                    case SF_FORMAT_PCM_S8:
1422                        bitdepth = 16; // we simply convert to 16 bit for now
1423                        break;
1424                    case SF_FORMAT_PCM_16:
1425                        bitdepth = 16;
1426                        break;
1427                    case SF_FORMAT_PCM_24:
1428                        bitdepth = 32; // we simply convert to 32 bit for now
1429                        break;
1430                    case SF_FORMAT_PCM_32:
1431                        bitdepth = 32;
1432                        break;
1433                    case SF_FORMAT_PCM_U8:
1434                        bitdepth = 16; // we simply convert to 16 bit for now
1435                        break;
1436                    case SF_FORMAT_FLOAT:
1437                        bitdepth = 32;
1438                        break;
1439                    case SF_FORMAT_DOUBLE:
1440                        bitdepth = 32; // I guess we will always truncate this to 32 bit
1441                        break;
1442                    default:
1443                        sf_close(hFile); // close sound file
1444                        throw std::string("format not supported"); // unsupported subformat (yet?)
1445                }
1446                // allocate appropriate copy buffer (TODO: for now we copy it in one piece, might be tough for very long samples)
1447                // and copy sample data into buffer
1448                int8_t* buffer = NULL;
1449                switch (bitdepth) {
1450                    case 16:
1451                        buffer = new int8_t[2 * info.channels * info.frames];
1452                        sf_readf_short(hFile, (short*) buffer, info.frames); // libsndfile does the conversion for us (if needed)
1453                        break;
1454                    case 32:
1455                        buffer = new int8_t[4 * info.channels * info.frames];
1456                        sf_readf_int(hFile, (int*) buffer, info.frames); // libsndfile does the conversion for us (if needed)
1457                        break;
1458                }
1459                // write from buffer directly (physically) into .gig file
1460                (*iter).gig_sample->Write(buffer, info.frames);
1461                // cleanup
1462                sf_close(hFile);
1463                delete buffer;
1464                // on success we remove the sample from the import queue, otherwise keep it, maybe it works the next time ?
1465                std::list<SampleImportItem>::iterator cur = iter;
1466                ++iter;
1467                m_SampleImportQueue.erase(cur);
1468            } catch (std::string what) { // remember the files that made trouble (and their cause)
1469                if (error_files.size()) error_files += "\n";
1470                error_files += (*iter).sample_path += " (" + what + ")";
1471                ++iter;
1472            }
1473        }
1474        // show error message box when some sample(s) could not be imported
1475        if (error_files.size()) {
1476            Glib::ustring txt = "Could not import the following sample(s):\n" + error_files;
1477            Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
1478            msg.run();
1479      }      }
1480  }  }
1481    
# Line 1557  void MainWindow::load_gig(gig::File* gig Line 1683  void MainWindow::load_gig(gig::File* gig
1683      instrument_menu->get_submenu()->show_all_children();      instrument_menu->get_submenu()->show_all_children();
1684    
1685      for (gig::Group* group = gig->GetFirstGroup(); group; group = gig->GetNextGroup()) {      for (gig::Group* group = gig->GetFirstGroup(); group; group = gig->GetNextGroup()) {
1686          Gtk::TreeModel::iterator iterGroup = m_refSamplesTreeModel->append();          if (group->Name != "") {
1687          Gtk::TreeModel::Row rowGroup = *iterGroup;              Gtk::TreeModel::iterator iterGroup = m_refSamplesTreeModel->append();
1688          rowGroup[m_SamplesModel.m_col_name]   = group->Name.c_str();              Gtk::TreeModel::Row rowGroup = *iterGroup;
1689          rowGroup[m_SamplesModel.m_col_group]  = group;              rowGroup[m_SamplesModel.m_col_name]   = group->Name.c_str();
1690          rowGroup[m_SamplesModel.m_col_sample] = NULL;              rowGroup[m_SamplesModel.m_col_group]  = group;
1691          for (gig::Sample* sample = group->GetFirstSample(); sample; sample = group->GetNextSample()) {              rowGroup[m_SamplesModel.m_col_sample] = NULL;
1692              Gtk::TreeModel::iterator iterSample = m_refSamplesTreeModel->append(rowGroup.children());              for (gig::Sample* sample = group->GetFirstSample(); sample; sample = group->GetNextSample()) {
1693              Gtk::TreeModel::Row rowSample = *iterSample;                  Gtk::TreeModel::iterator iterSample = m_refSamplesTreeModel->append(rowGroup.children());
1694              rowSample[m_SamplesModel.m_col_name]   = sample->pInfo->Name.c_str();                  Gtk::TreeModel::Row rowSample = *iterSample;
1695              rowSample[m_SamplesModel.m_col_sample] = sample;                  rowSample[m_SamplesModel.m_col_name]   = sample->pInfo->Name.c_str();
1696              rowSample[m_SamplesModel.m_col_group]  = NULL;                  rowSample[m_SamplesModel.m_col_sample] = sample;
1697                    rowSample[m_SamplesModel.m_col_group]  = NULL;
1698                }
1699          }          }
1700      }      }
1701  }  }
# Line 1639  void MainWindow::on_action_add_group() { Line 1767  void MainWindow::on_action_add_group() {
1767  }  }
1768    
1769  void MainWindow::on_action_add_sample() {  void MainWindow::on_action_add_sample() {
1770      //TODO: open browse for file dialog for adding new samples      if (!file) return;
1771        // get selected group
1772        Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewSamples.get_selection();
1773        Gtk::TreeModel::iterator it = sel->get_selected();
1774        if (!it) return;
1775        Gtk::TreeModel::Row row = *it;
1776        gig::Group* group = row[m_SamplesModel.m_col_group];
1777        if (!group) { // not a group, but a sample is selected (probably)
1778            gig::Sample* sample = row[m_SamplesModel.m_col_sample];
1779            if (!sample) return;
1780            it = row.parent(); // resolve parent (that is the sample's group)
1781            if (!it) return;
1782            row = *it;
1783            group = row[m_SamplesModel.m_col_group];
1784            if (!group) return;
1785        }
1786        // show 'browse for file' dialog
1787        Gtk::FileChooserDialog dialog(*this, _("Add Sample(s)"));
1788        dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1789        dialog.add_button(Gtk::Stock::OPEN, Gtk::RESPONSE_OK);
1790        dialog.set_select_multiple(true);
1791        Gtk::FileFilter soundfilter; // matches all file types supported by libsndfile
1792        const char* supportedFileTypes[] = {
1793            "*.wav", "*.WAV", "*.aiff", "*.AIFF", "*.aifc", "*.AIFC", "*.snd",
1794            "*.SND", "*.au", "*.AU", "*.paf", "*.PAF", "*.iff", "*.IFF",
1795            "*.svx", "*.SVX", "*.sf", "*.SF", "*.voc", "*.VOC", "*.w64",
1796            "*.W64", "*.pvf", "*.PVF", "*.xi", "*.XI", "*.htk", "*.HTK",
1797            "*.caf", "*.CAF", NULL
1798        };
1799        for (int i = 0; supportedFileTypes[i]; i++)
1800            soundfilter.add_pattern(supportedFileTypes[i]);
1801        soundfilter.set_name("Sound Files");
1802        Gtk::FileFilter allpassfilter; // matches every file
1803        allpassfilter.add_pattern("*.*");
1804        allpassfilter.set_name("All Files");
1805        dialog.add_filter(soundfilter);
1806        dialog.add_filter(allpassfilter);
1807        if (dialog.run() == Gtk::RESPONSE_OK) {
1808            Glib::ustring error_files;
1809            Glib::SListHandle<Glib::ustring> filenames = dialog.get_filenames();
1810            for (Glib::SListHandle<Glib::ustring>::iterator iter = filenames.begin(); iter != filenames.end(); ++iter) {
1811                printf("Adding sample %s\n",(*iter).c_str());
1812                // use libsndfile to retrieve file informations
1813                SF_INFO info;
1814                info.format = 0;
1815                SNDFILE* hFile = sf_open((*iter).c_str(), SFM_READ, &info);
1816                try {
1817                    if (!hFile) throw std::string("could not open file");
1818                    int bitdepth;
1819                    switch (info.format & 0xff) {
1820                        case SF_FORMAT_PCM_S8:
1821                            bitdepth = 16; // we simply convert to 16 bit for now
1822                            break;
1823                        case SF_FORMAT_PCM_16:
1824                            bitdepth = 16;
1825                            break;
1826                        case SF_FORMAT_PCM_24:
1827                            bitdepth = 32; // we simply convert to 32 bit for now
1828                            break;
1829                        case SF_FORMAT_PCM_32:
1830                            bitdepth = 32;
1831                            break;
1832                        case SF_FORMAT_PCM_U8:
1833                            bitdepth = 16; // we simply convert to 16 bit for now
1834                            break;
1835                        case SF_FORMAT_FLOAT:
1836                            bitdepth = 32;
1837                            break;
1838                        case SF_FORMAT_DOUBLE:
1839                            bitdepth = 32; // I guess we will always truncate this to 32 bit
1840                            break;
1841                        default:
1842                            sf_close(hFile); // close sound file
1843                            throw std::string("format not supported"); // unsupported subformat (yet?)
1844                    }
1845                    // add a new sample to the .gig file
1846                    gig::Sample* sample = file->AddSample();
1847                    sample->pInfo->Name = (*iter).substr((*iter).rfind('/') + 1).raw(); // file name without path
1848                    sample->Channels = info.channels;
1849                    sample->BitDepth = bitdepth;
1850                    sample->FrameSize = bitdepth / 8/*1 byte are 8 bits*/ * info.channels;
1851                    sample->SamplesPerSecond = info.samplerate;
1852                    // schedule resizing the sample (which will be done physically when File::Save() is called)
1853                    sample->Resize(info.frames);
1854                    // make sure sample is part of the selected group
1855                    group->AddSample(sample);
1856                    // schedule that physical resize and sample import (data copying), performed when "Save" is requested
1857                    SampleImportItem sched_item;
1858                    sched_item.gig_sample  = sample;
1859                    sched_item.sample_path = *iter;
1860                    m_SampleImportQueue.push_back(sched_item);
1861                    // add sample to the tree view
1862                    Gtk::TreeModel::iterator iterSample = m_refSamplesTreeModel->append(row.children());
1863                    Gtk::TreeModel::Row rowSample = *iterSample;
1864                    rowSample[m_SamplesModel.m_col_name]   = sample->pInfo->Name.c_str();
1865                    rowSample[m_SamplesModel.m_col_sample] = sample;
1866                    rowSample[m_SamplesModel.m_col_group]  = NULL;
1867                    // close sound file
1868                    sf_close(hFile);
1869                } catch (std::string what) { // remember the files that made trouble (and their cause)
1870                    if (error_files.size()) error_files += "\n";
1871                    error_files += *iter += " (" + what + ")";
1872                }
1873            }
1874            // show error message box when some file(s) could not be opened / added
1875            if (error_files.size()) {
1876                Glib::ustring txt = "Could not add the following sample(s):\n" + error_files;
1877                Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
1878                msg.run();
1879            }
1880        }
1881  }  }
1882    
1883  void MainWindow::on_action_remove_sample() {  void MainWindow::on_action_remove_sample() {
1884      //TODO: remove the selected group or sample      if (!file) return;
1885        Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewSamples.get_selection();
1886        Gtk::TreeModel::iterator it = sel->get_selected();
1887        if (it) {
1888            Gtk::TreeModel::Row row = *it;
1889            gig::Group* group   = row[m_SamplesModel.m_col_group];
1890            gig::Sample* sample = row[m_SamplesModel.m_col_sample];
1891            Glib::ustring name  = row[m_SamplesModel.m_col_name];
1892            try {
1893                // remove group or sample from the gig file
1894                if (group) {
1895                    // temporarily remember the samples that bolong to that group (we need that to clean the queue)
1896                    std::list<gig::Sample*> members;
1897                    for (gig::Sample* pSample = group->GetFirstSample(); pSample; pSample = group->GetNextSample()) {
1898                        members.push_back(pSample);
1899                    }
1900                    // delete the group in the .gig file including the samples that belong to the group
1901                    file->DeleteGroup(group);
1902                    // if sample(s) were just previously added, remove them from the import queue
1903                    for (std::list<gig::Sample*>::iterator member = members.begin(); member != members.end(); ++member) {
1904                        for (std::list<SampleImportItem>::iterator iter = m_SampleImportQueue.begin(); iter != m_SampleImportQueue.end(); ++iter) {
1905                            if ((*iter).gig_sample == *member) {
1906                                printf("Removing previously added sample '%s' from group '%s'\n", (*iter).sample_path.c_str(), name.c_str());
1907                                m_SampleImportQueue.erase(iter);
1908                                break;
1909                            }
1910                        }
1911                    }
1912                } else if (sample) {
1913                    // remove sample from the .gig file
1914                    file->DeleteSample(sample);
1915                    // if sample was just previously added, remove it from the import queue
1916                    for (std::list<SampleImportItem>::iterator iter = m_SampleImportQueue.begin(); iter != m_SampleImportQueue.end(); ++iter) {
1917                        if ((*iter).gig_sample == sample) {
1918                            printf("Removing previously added sample '%s'\n", (*iter).sample_path.c_str());
1919                            m_SampleImportQueue.erase(iter);
1920                            break;
1921                        }
1922                    }
1923                }
1924                // remove respective row(s) from samples tree view
1925                m_refSamplesTreeModel->erase(it);
1926            } catch (RIFF::Exception e) {
1927                Gtk::MessageDialog msg(*this, e.Message.c_str(), false, Gtk::MESSAGE_ERROR);
1928                msg.run();
1929            }
1930        }
1931    }
1932    
1933    void MainWindow::on_sample_treeview_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&, Gtk::SelectionData& selection_data, guint, guint)
1934    {
1935        // get selected sample
1936        gig::Sample* sample = NULL;
1937        Glib::RefPtr<Gtk::TreeSelection> sel = m_TreeViewSamples.get_selection();
1938        Gtk::TreeModel::iterator it = sel->get_selected();
1939        if (it) {
1940            Gtk::TreeModel::Row row = *it;
1941            sample = row[m_SamplesModel.m_col_sample];
1942        }
1943        // pass the gig::Sample as pointer
1944        selection_data.set(selection_data.get_target(), 0/*unused*/, (const guchar*)&sample, sizeof(sample)/*length of data in bytes*/);
1945    }
1946    
1947    void MainWindow::on_sample_label_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int, int, const Gtk::SelectionData& selection_data, guint, guint time)
1948    {
1949        gig::DimensionRegion* dimregion = m_DimRegionChooser.get_dimregion();
1950        gig::Sample* sample = *((gig::Sample**) selection_data.get_data());
1951    
1952        if (sample && dimregion && selection_data.get_length() == sizeof(gig::Sample*)) {
1953            if (sample != dimregion->pSample) {
1954                dimregion->pSample = sample;
1955                wSample->set_text(dimregion->pSample->pInfo->Name.c_str());
1956                std::cout << "Drop received sample \"" << dimregion->pSample->pInfo->Name.c_str() << "\"" << std::endl;
1957                // drop success
1958                context->drop_reply(true, time);
1959                return;
1960            }
1961        }
1962        // drop failed
1963        context->drop_reply(false, time);
1964    }
1965    
1966    void MainWindow::sample_name_changed(const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter) {
1967        if (!iter) return;
1968        Gtk::TreeModel::Row row = *iter;
1969        Glib::ustring name  = row[m_SamplesModel.m_col_name];
1970        gig::Group* group   = row[m_SamplesModel.m_col_group];
1971        gig::Sample* sample = row[m_SamplesModel.m_col_sample];
1972        if (group) {
1973            group->Name = name;
1974            std::cout << "Group name changed\n" << std::flush;
1975        } else if (sample) {
1976            sample->pInfo->Name = name.raw();
1977            std::cout << "Sample name changed\n" << std::flush;
1978        }
1979    }
1980    
1981    void MainWindow::instrument_name_changed(const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter) {
1982        std::cout << "Instrument name changed\n" << std::flush;
1983        if (!iter) return;
1984        Gtk::TreeModel::Row row = *iter;
1985        Glib::ustring name = row[m_Columns.m_col_name];
1986        gig::Instrument* instrument = row[m_Columns.m_col_instr];
1987        if (instrument) instrument->pInfo->Name = name.raw();
1988  }  }
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