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- ///-------------------------------------------------------------------------------------------------
- ///
- /// \file ovpCBoxAlgorithmP300TactileVisualization.cpp
- /// \brief Functions of the Class P300TactileVisualization. !!This is a modification of the P300 Speller Visualization Box!!
- /// \author Tobias Baumann (TH Nuernberg).
- /// \version 1.0.
- /// \date Mon Feb 04 12:43:53 2022.
- /// \copyright <a href="https://choosealicense.com/licenses/agpl-3.0/">GNU Affero General Public License v3.0</a>
- ///
- ///-------------------------------------------------------------------------------------------------
-
- //includes
- #include "ovpCBoxAlgorithmP300TactileVisualization.h"
- #include <tcptagging/IStimulusSender.h>
-
- #include <algorithm>
- #include <list>
- #include <string>
- #include <vector>
-
- namespace OpenViBE {
- namespace Plugins {
- namespace Tactilebci {
-
- static void ToggleButtonShowHideCB(GtkToggleToolButton* button, gpointer data)
- {
- if (gtk_toggle_tool_button_get_active(button)) { gtk_widget_show(GTK_WIDGET(data)); }
- else { gtk_widget_hide(GTK_WIDGET(data)); }
- }
-
- // This callback flushes all accumulated stimulations to the TCP Tagging
- // after the rendering has completed.
- static gboolean FlushCB(gpointer data)
- {
- (static_cast<CBoxAlgorithmP300TactileVisualization*>(data))->flushQueue();
-
- return false; // Only run once
- }
-
- bool CBoxAlgorithmP300TactileVisualization::initialize()
- {
- const Kernel::IBox& boxContext = this->getStaticBoxContext();
-
- m_mainWidgetInterface = nullptr;
- m_toolbarWidgetInterface = nullptr;
- m_flashFontDesc = nullptr;
- m_noFlashFontDesc = nullptr;
- m_targetFontDesc = nullptr;
- m_selectedFontDesc = nullptr;
-
- // ----------------------------------------------------------------------------------------------------------------------------------------------------------
-
- m_interfaceFilename = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 0);
- m_rowStimulationBase = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 1);
- m_columnStimulationBase = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 2);
-
- m_flashBgColor = CGdkcolorAutoCast(boxContext, this->getConfigurationManager(), 3);
- m_flashFgColor = CGdkcolorAutoCast(boxContext, this->getConfigurationManager(), 4);
- m_flashFontSize = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 5);
- m_noFlashBgColor = CGdkcolorAutoCast(boxContext, this->getConfigurationManager(), 6);
- m_noFlashFgColor = CGdkcolorAutoCast(boxContext, this->getConfigurationManager(), 7);
- m_noFlashFontSize = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 8);
- m_targetBgColor = CGdkcolorAutoCast(boxContext, this->getConfigurationManager(), 9);
- m_targetFgColor = CGdkcolorAutoCast(boxContext, this->getConfigurationManager(), 10);
- m_targetFontSize = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 11);
- m_selectedBgColor = CGdkcolorAutoCast(boxContext, this->getConfigurationManager(), 12);
- m_selectedFgColor = CGdkcolorAutoCast(boxContext, this->getConfigurationManager(), 13);
- m_selectedFontSize = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 14);
-
- m_nTactilos = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 15);
-
- //set m_nTactilos to 2 if lower than 2
- if(m_nTactilos < 2)
- {
- m_nTactilos = 2;
- }
- //set m_nTactilos to MAX if greater than MAX_TACTILOS
- if(m_nTactilos > MAX_TACTILOS)
- {
- m_nTactilos = MAX_TACTILOS;
- }
-
- // ----------------------------------------------------------------------------------------------------------------------------------------------------------
-
- m_sequenceStimulationDecoder = &this->getAlgorithmManager().getAlgorithm(
- this->getAlgorithmManager().createAlgorithm(OVP_GD_ClassId_Algorithm_StimulationDecoder));
- m_sequenceStimulationDecoder->initialize();
-
- m_targetStimulationDecoder = &this->getAlgorithmManager().getAlgorithm(
- this->getAlgorithmManager().createAlgorithm(OVP_GD_ClassId_Algorithm_StimulationDecoder));
- m_targetStimulationDecoder->initialize();
-
- m_targetFlaggingStimulationEncoder = &this->getAlgorithmManager().getAlgorithm(
- this->getAlgorithmManager().createAlgorithm(OVP_GD_ClassId_Algorithm_StimulationEncoder));
- m_targetFlaggingStimulationEncoder->initialize();
-
- m_rowSelectionStimulationDecoder = &this->getAlgorithmManager().getAlgorithm(
- this->getAlgorithmManager().createAlgorithm(OVP_GD_ClassId_Algorithm_StimulationDecoder));
- m_rowSelectionStimulationDecoder->initialize();
-
- m_columnSelectionStimulationDecoder = &this->getAlgorithmManager().getAlgorithm(
- this->getAlgorithmManager().createAlgorithm(OVP_GD_ClassId_Algorithm_StimulationDecoder));
- m_columnSelectionStimulationDecoder->initialize();
-
- m_sequenceMemoryBuffer.initialize(
- m_sequenceStimulationDecoder->getInputParameter(OVP_GD_Algorithm_StimulationDecoder_InputParameterId_MemoryBufferToDecode));
- m_sequenceStimulationSet.initialize(
- m_sequenceStimulationDecoder->getOutputParameter(OVP_GD_Algorithm_StimulationDecoder_OutputParameterId_StimulationSet));
-
- m_targetMemoryBuffer.initialize(
- m_targetStimulationDecoder->getInputParameter(OVP_GD_Algorithm_StimulationDecoder_InputParameterId_MemoryBufferToDecode));
- m_targetStimulationSet.initialize(
- m_targetStimulationDecoder->getOutputParameter(OVP_GD_Algorithm_StimulationDecoder_OutputParameterId_StimulationSet));
-
- m_targetFlaggingStimulationSet.initialize(
- m_targetFlaggingStimulationEncoder->getInputParameter(OVP_GD_Algorithm_StimulationEncoder_InputParameterId_StimulationSet));
- m_targetFlaggingMemoryBuffer.initialize(
- m_targetFlaggingStimulationEncoder->getOutputParameter(OVP_GD_Algorithm_StimulationEncoder_OutputParameterId_EncodedMemoryBuffer));
-
- m_lastTime = 0;
-
- m_stimulusSender = nullptr;
-
- m_idleFuncTag = 0;
- m_stimuliQueue.clear();
-
- m_mainWidgetInterface = gtk_builder_new(); // glade_xml_new(m_interfaceFilename.toASCIIString(), "p300-speller-main", nullptr);
- if (!gtk_builder_add_from_file(m_mainWidgetInterface, m_interfaceFilename.toASCIIString(), nullptr))
- {
- this->getLogManager() << Kernel::LogLevel_ImportantWarning << "Could not load interface file [" << m_interfaceFilename << "]\n";
- this->getLogManager() << Kernel::LogLevel_ImportantWarning <<
- "The file may be missing. However, the interface files now use gtk-builder instead of glade. Did you update your files ?\n";
- return false;
- }
-
- m_toolbarWidgetInterface = gtk_builder_new(); // glade_xml_new(m_interfaceFilename.toASCIIString(), "p300-speller-toolbar", nullptr);
- gtk_builder_add_from_file(m_toolbarWidgetInterface, m_interfaceFilename.toASCIIString(), nullptr);
-
- m_mainWindow = GTK_WIDGET(gtk_builder_get_object(m_mainWidgetInterface, "p300-speller-main"));
- m_toolbarWidget = GTK_WIDGET(gtk_builder_get_object(m_toolbarWidgetInterface, "p300-speller-toolbar"));
- m_table = GTK_TABLE(gtk_builder_get_object(m_mainWidgetInterface, "p300-speller-table"));
- m_result = GTK_LABEL(gtk_builder_get_object(m_mainWidgetInterface, "label-result"));
- m_target = GTK_LABEL(gtk_builder_get_object(m_mainWidgetInterface, "label-target"));
-
- //Begin Menu Initialization -------------------------------------------------------------------------------------
- if(m_nTactilos == 6) //Create Menus for m_nTactilos = 6
- {
- m_Menu.push_back(TactileMenu(6));
- m_Menu[0].set_LabelText(0, "Ja");
- m_Menu[0].set_LabelText(1, "Nein");
- m_Menu[0].set_LabelText(2, "Pflege");
- m_Menu[0].set_LabelText(3, "Hilfe");
- m_Menu[0].set_LabelText(4, "Geräte");
- m_Menu[0].set_LabelText(5, "Funktionen");
- m_Menu[0].set_SubMenu(2, &m_Menu[1]);
- m_Menu[0].set_SubMenu(3, &m_Menu[2]);
- m_Menu[0].set_SubMenu(4, &m_Menu[3]);
-
- m_Menu.push_back(TactileMenu(6));
- m_Menu[1].set_LabelText(0, "Ja");
- m_Menu[1].set_LabelText(1, "Nein");
- m_Menu[1].set_LabelText(2, "Hunger");
- m_Menu[1].set_LabelText(3, "Lage");
- m_Menu[1].set_LabelText(4, "Müdigkeit");
- m_Menu[1].set_LabelText(5, "Hauptmenü");
- m_Menu[0].set_SubMenu(5, &m_Menu[0]);
-
- m_Menu.push_back(TactileMenu(6));
- m_Menu[2].set_LabelText(0, "Ja");
- m_Menu[2].set_LabelText(1, "Nein");
- m_Menu[2].set_LabelText(2, "Schmerzen");
- m_Menu[2].set_LabelText(3, "Atemnot");
- m_Menu[2].set_LabelText(4, "Anderes");
- m_Menu[2].set_LabelText(5, "Hauptmenü");
- m_Menu[0].set_SubMenu(5, &m_Menu[0]);
-
- m_Menu.push_back(TactileMenu(6));
- m_Menu[3].set_LabelText(0, "Ja");
- m_Menu[3].set_LabelText(1, "Nein");
- m_Menu[3].set_LabelText(2, "Atemgerät");
- m_Menu[3].set_LabelText(3, "Rollstuhl");
- m_Menu[3].set_LabelText(4, "Computer");
- m_Menu[3].set_LabelText(5, "Hauptmenü");
- m_Menu[0].set_SubMenu(5, &m_Menu[0]);
-
- //Set Pointer to Mainmenu
- m_currMenu = &m_Menu[0];
- }
- else //Create default menu for m_nTactilos != 6
- {
- m_Menu.push_back(TactileMenu(m_nTactilos));
- m_currMenu = &m_Menu[0];
- }
-
- //Init Gtk Labels
- for(int i = 0; i < m_nTactilos; i++)
- {
- std::string label_id = "label-" + std::to_string(i+1);
- std::string label_text = m_currMenu->get_LabelText(i);
-
- m_Label.push_back(GTK_LABEL(gtk_builder_get_object(m_mainWidgetInterface, label_id.c_str())));
- gtk_label_set_text(m_Label[i], label_text.c_str());
- }
-
- //End Menu Initialization ---------------------------------------------------------------------------------------
-
- gtk_builder_connect_signals(m_mainWidgetInterface, nullptr);
- gtk_builder_connect_signals(m_toolbarWidgetInterface, nullptr);
-
- g_signal_connect(gtk_builder_get_object(m_toolbarWidgetInterface, "toolbutton-show_target_text"), "toggled", G_CALLBACK(ToggleButtonShowHideCB),
- gtk_builder_get_object(m_mainWidgetInterface, "label-target"));
- g_signal_connect(gtk_builder_get_object(m_toolbarWidgetInterface, "toolbutton-show_target_text"), "toggled", G_CALLBACK(ToggleButtonShowHideCB),
- gtk_builder_get_object(m_mainWidgetInterface, "label-target-title"));
- g_signal_connect(gtk_builder_get_object(m_toolbarWidgetInterface, "toolbutton-show_result_text"), "toggled", G_CALLBACK(ToggleButtonShowHideCB),
- gtk_builder_get_object(m_mainWidgetInterface, "label-result"));
- g_signal_connect(gtk_builder_get_object(m_toolbarWidgetInterface, "toolbutton-show_result_text"), "toggled", G_CALLBACK(ToggleButtonShowHideCB),
- gtk_builder_get_object(m_mainWidgetInterface, "label-result-title"));
-
- m_visualizationCtx = dynamic_cast<VisualizationToolkit::IVisualizationContext*>(this->createPluginObject(
- OVP_ClassId_Plugin_VisualizationCtx));
- m_visualizationCtx->setWidget(*this, m_mainWindow);
- m_visualizationCtx->setToolbar(*this, m_toolbarWidget);
-
- guint nRow = 0, nCol = 0;
- g_object_get(m_table, "n-rows", &nRow, nullptr);
- g_object_get(m_table, "n-columns", &nCol, nullptr);
-
- m_nRow = nRow;
- m_nCol = nCol;
-
- PangoFontDescription* maxFontDesc = pango_font_description_copy(pango_context_get_font_description(gtk_widget_get_pango_context(m_mainWindow)));
- m_flashFontDesc = pango_font_description_copy(pango_context_get_font_description(gtk_widget_get_pango_context(m_mainWindow)));
- m_noFlashFontDesc = pango_font_description_copy(pango_context_get_font_description(gtk_widget_get_pango_context(m_mainWindow)));
- m_targetFontDesc = pango_font_description_copy(pango_context_get_font_description(gtk_widget_get_pango_context(m_mainWindow)));
- m_selectedFontDesc = pango_font_description_copy(pango_context_get_font_description(gtk_widget_get_pango_context(m_mainWindow)));
-
- uint64_t maxSize = 0;
- maxSize = std::max(maxSize, m_flashFontSize);
- maxSize = std::max(maxSize, m_noFlashFontSize);
- maxSize = std::max(maxSize, m_targetFontSize);
- maxSize = std::max(maxSize, m_selectedFontSize);
-
- pango_font_description_set_size(maxFontDesc, gint(maxSize * PANGO_SCALE));
- pango_font_description_set_size(m_flashFontDesc, gint(m_flashFontSize * PANGO_SCALE));
- pango_font_description_set_size(m_noFlashFontDesc, gint(m_noFlashFontSize * PANGO_SCALE));
- pango_font_description_set_size(m_targetFontDesc, gint(m_targetFontSize * PANGO_SCALE));
- pango_font_description_set_size(m_selectedFontDesc, gint(m_selectedFontSize * PANGO_SCALE));
-
- this->cacheBuildFromTable(m_table);
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeBackgroundCB, &m_noFlashBgColor);
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeForegroundCB, &m_noFlashFgColor);
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeFontCB, maxFontDesc);
-
- pango_font_description_free(maxFontDesc);
-
- m_lastTargetRow = -1;
- m_lastTargetCol = -1;
- m_targetRow = -1;
- m_targetCol = -1;
- m_selectedRow = -1;
- m_selectedCol = -1;
-
- m_stimulusSender = TCPTagging::CreateStimulusSender();
-
- if (!m_stimulusSender->connect("localhost", "15361"))
- {
- this->getLogManager() << Kernel::LogLevel_Warning << "Unable to connect to AS TCP Tagging, stimuli wont be forwarded.\n";
- }
-
- m_tableInitialized = false;
-
- return true;
- }
-
- bool CBoxAlgorithmP300TactileVisualization::uninitialize()
- {
- if (m_idleFuncTag)
- {
- m_stimuliQueue.clear();
- g_source_remove(m_idleFuncTag);
- m_idleFuncTag = 0;
- }
-
- if (m_stimulusSender)
- {
- delete m_stimulusSender;
- m_stimulusSender = nullptr;
- }
-
- if (m_selectedFontDesc)
- {
- pango_font_description_free(m_selectedFontDesc);
- m_selectedFontDesc = nullptr;
- }
-
- if (m_targetFontDesc)
- {
- pango_font_description_free(m_targetFontDesc);
- m_targetFontDesc = nullptr;
- }
-
- if (m_noFlashFontDesc)
- {
- pango_font_description_free(m_noFlashFontDesc);
- m_noFlashFontDesc = nullptr;
- }
-
- if (m_flashFontDesc)
- {
- pango_font_description_free(m_flashFontDesc);
- m_flashFontDesc = nullptr;
- }
-
- if (m_toolbarWidgetInterface)
- {
- g_object_unref(m_toolbarWidgetInterface);
- m_toolbarWidgetInterface = nullptr;
- }
-
- if (m_mainWidgetInterface)
- {
- g_object_unref(m_mainWidgetInterface);
- m_mainWidgetInterface = nullptr;
- }
-
- m_targetFlaggingStimulationSet.uninitialize();
- m_targetFlaggingMemoryBuffer.uninitialize();
-
- m_targetStimulationSet.uninitialize();
- m_targetMemoryBuffer.uninitialize();
-
- m_sequenceStimulationSet.uninitialize();
- m_sequenceMemoryBuffer.uninitialize();
-
- if (m_columnSelectionStimulationDecoder)
- {
- m_columnSelectionStimulationDecoder->uninitialize();
- this->getAlgorithmManager().releaseAlgorithm(*m_columnSelectionStimulationDecoder);
- m_columnSelectionStimulationDecoder = nullptr;
- }
-
- if (m_rowSelectionStimulationDecoder)
- {
- m_rowSelectionStimulationDecoder->uninitialize();
- this->getAlgorithmManager().releaseAlgorithm(*m_rowSelectionStimulationDecoder);
- m_rowSelectionStimulationDecoder = nullptr;
- }
-
- if (m_targetFlaggingStimulationEncoder)
- {
- m_targetFlaggingStimulationEncoder->uninitialize();
- this->getAlgorithmManager().releaseAlgorithm(*m_targetFlaggingStimulationEncoder);
- m_targetFlaggingStimulationEncoder = nullptr;
- }
-
- if (m_targetStimulationDecoder)
- {
- m_targetStimulationDecoder->uninitialize();
- this->getAlgorithmManager().releaseAlgorithm(*m_targetStimulationDecoder);
- m_targetStimulationDecoder = nullptr;
- }
-
- if (m_sequenceStimulationDecoder)
- {
- m_sequenceStimulationDecoder->uninitialize();
- this->getAlgorithmManager().releaseAlgorithm(*m_sequenceStimulationDecoder);
- m_sequenceStimulationDecoder = nullptr;
- }
-
- if (m_visualizationCtx)
- {
- this->releasePluginObject(m_visualizationCtx);
- m_sequenceStimulationDecoder = nullptr;
- }
-
- return true;
- }
-
- bool CBoxAlgorithmP300TactileVisualization::processInput(const size_t /*index*/)
- {
- this->getBoxAlgorithmContext()->markAlgorithmAsReadyToProcess();
-
- if (!m_tableInitialized)
- {
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeBackgroundCB, &m_noFlashBgColor);
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeForegroundCB, &m_noFlashFgColor);
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeFontCB, m_noFlashFontDesc);
- m_tableInitialized = true;
- }
-
- return true;
- }
-
- bool CBoxAlgorithmP300TactileVisualization::process()
- {
- Kernel::IBoxIO& boxContext = this->getDynamicBoxContext();
-
- // --- Sequence stimulations
-
- for (size_t i = 0; i < boxContext.getInputChunkCount(0); ++i)
- {
- CStimulationSet flaggingStimulationSet;
-
- m_sequenceMemoryBuffer = boxContext.getInputChunk(0, i);
- m_targetFlaggingStimulationSet = &flaggingStimulationSet;
- m_targetFlaggingMemoryBuffer = boxContext.getOutputChunk(0);
-
- m_sequenceStimulationDecoder->process();
-
- m_lastTime = boxContext.getInputChunkEndTime(0, i);
-
- if (m_sequenceStimulationDecoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedHeader))
- {
- m_targetFlaggingStimulationEncoder->process(OVP_GD_Algorithm_StimulationEncoder_InputTriggerId_EncodeHeader);
- }
-
- if (m_sequenceStimulationDecoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedBuffer))
- {
- IStimulationSet* stimulationSet = m_sequenceStimulationSet;
- for (size_t j = 0; j < stimulationSet->getStimulationCount(); ++j)
- {
- uint64_t id = stimulationSet->getStimulationIdentifier(j);
- bool flash = false;
- int row = -1;
- int col = -1;
- bool isTarget = false;
-
- if (id >= m_rowStimulationBase && id < m_rowStimulationBase + m_nRow)
- {
- row = int(id - m_rowStimulationBase);
- flash = true;
- isTarget = (row == m_lastTargetRow);
- }
- if (id >= m_columnStimulationBase && id < m_columnStimulationBase + m_nCol)
- {
- col = int(id - m_columnStimulationBase);
- flash = true;
- isTarget = (col == m_lastTargetCol);
- }
- if (id == OVTK_StimulationId_VisualStimulationStop)
- {
- this->getLogManager() << Kernel::LogLevel_Debug << "Received OVTK_StimulationId_VisualStimulationStop - resets grid\n";
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeBackgroundCB, &m_noFlashBgColor);
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeForegroundCB, &m_noFlashFgColor);
- this->cacheForEach(&CBoxAlgorithmP300TactileVisualization::cacheChangeFontCB, m_noFlashFontDesc);
- }
- if (id == OVTK_StimulationId_Reset)
- {
- gtk_label_set_text(m_target, "");
- gtk_label_set_text(m_result, "");
- }
-
- if (flash)
- {
- this->cacheForEachIf(row, col, &CBoxAlgorithmP300TactileVisualization::cacheChangeBackgroundCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeBackgroundCB, &m_flashBgColor, &m_noFlashBgColor);
- this->cacheForEachIf(row, col, &CBoxAlgorithmP300TactileVisualization::cacheChangeForegroundCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeForegroundCB, &m_flashFgColor, &m_noFlashFgColor);
- this->cacheForEachIf(row, col, &CBoxAlgorithmP300TactileVisualization::cacheChangeFontCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeFontCB, m_flashFontDesc, m_noFlashFontDesc);
-
- // We now know if this flash corresponds to the current target or not, merge this to the outgoing stimulation stream
- if (isTarget)
- {
- m_stimuliQueue.push_back(OVTK_StimulationId_Target);
- flaggingStimulationSet.appendStimulation(OVTK_StimulationId_Target, stimulationSet->getStimulationDate(j), 0);
- }
- else
- {
- m_stimuliQueue.push_back(OVTK_StimulationId_NonTarget);
- flaggingStimulationSet.appendStimulation(OVTK_StimulationId_NonTarget, stimulationSet->getStimulationDate(j), 0);
- }
- }
-
- // Pass the stimulation to the server also as-is. If its a flash, it can be differentiated from a 'target' spec because
- // its NOT between OVTK_StimulationId_RestStart and OVTK_StimulationId_RestStop stimuli in the generated P300 timeline.
- m_stimuliQueue.push_back(id);
- }
- m_targetFlaggingStimulationEncoder->process(OVP_GD_Algorithm_StimulationEncoder_InputTriggerId_EncodeBuffer);
- }
-
- if (m_sequenceStimulationDecoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedEnd))
- {
- m_targetFlaggingStimulationEncoder->process(OVP_GD_Algorithm_StimulationEncoder_InputTriggerId_EncodeEnd);
- }
-
- boxContext.markInputAsDeprecated(0, i);
- boxContext.markOutputAsReadyToSend(0, boxContext.getInputChunkStartTime(0, i), boxContext.getInputChunkEndTime(0, i));
- }
-
- // --- Target stimulations
-
- for (size_t i = 0; i < boxContext.getInputChunkCount(1); ++i)
- {
- if (m_lastTime >= boxContext.getInputChunkStartTime(1, i))
- {
- m_targetMemoryBuffer = boxContext.getInputChunk(1, i);
- m_targetStimulationDecoder->process();
-
- if (m_targetStimulationDecoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedHeader)) { }
-
- if (m_targetStimulationDecoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedBuffer))
- {
- IStimulationSet* stimulationSet = m_targetStimulationSet;
- for (size_t j = 0; j < stimulationSet->getStimulationCount(); ++j)
- {
- uint64_t id = stimulationSet->getStimulationIdentifier(j);
- bool target = false;
- if (id >= m_rowStimulationBase && id < m_rowStimulationBase + m_nRow)
- {
- this->getLogManager() << Kernel::LogLevel_Debug << "Received Target Row " << id << "\n";
- m_targetRow = int(id - m_rowStimulationBase);
- target = true;
- }
- if (id >= m_columnStimulationBase && id < m_columnStimulationBase + m_nCol)
- {
- this->getLogManager() << Kernel::LogLevel_Debug << "Received Target Column " << id << "\n";
- m_targetCol = int(id - m_columnStimulationBase);
- target = true;
- }
-
- if (target && m_targetRow != -1 && m_targetCol != -1)
- {
- this->getLogManager() << Kernel::LogLevel_Debug << "Displays Target Cell\n";
- this->cacheForEachIf(m_targetRow, m_targetCol, &CBoxAlgorithmP300TactileVisualization::cacheChangeBackgroundCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeNullCB, &m_targetBgColor, nullptr);
- this->cacheForEachIf(m_targetRow, m_targetCol, &CBoxAlgorithmP300TactileVisualization::cacheChangeForegroundCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeNullCB, &m_targetFgColor, nullptr);
- this->cacheForEachIf(m_targetRow, m_targetCol, &CBoxAlgorithmP300TactileVisualization::cacheChangeFontCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeNullCB, m_targetFontDesc, nullptr);
-
- std::vector<GtkWidget*> widgets;
- this->cacheForEachIf(m_targetRow, m_targetCol, &CBoxAlgorithmP300TactileVisualization::cacheCollectChildWidgetCB,
- &CBoxAlgorithmP300TactileVisualization::cacheCollectChildWidgetCB, &widgets, nullptr);
-
- // Merge the current target into the stimulation stream. It can be differentiated
- // from a 'flash' spec because it IS between OVTK_StimulationId_RestStart and
- // OVTK_StimulationId_RestStop stimulations in the P300 timeline.
- {
- m_stimuliQueue.push_back(m_targetRow + m_rowStimulationBase);
- m_stimuliQueue.push_back(m_targetCol + m_columnStimulationBase);
- }
-
- if (widgets.size() == 1)
- {
- if (GTK_IS_LABEL(widgets[0]))
- {
- std::string label;
- label = gtk_label_get_text(m_target);
- label += gtk_label_get_text(GTK_LABEL(widgets[0]));
- gtk_label_set_text(m_target, label.c_str());
- }
- else
- {
- this->getLogManager() << Kernel::LogLevel_Warning << "Expected label class widget... could not find a valid text to append\n";
- }
- }
- else
- {
- this->getLogManager() << Kernel::LogLevel_Warning << "Did not find a unique widget at row:" << size_t(m_targetRow) << " column:" <<
- size_t(m_targetCol) << "\n";
- }
-
- m_targetHistory.emplace_back(m_targetRow, m_targetCol);
- m_lastTargetRow = m_targetRow;
- m_lastTargetCol = m_targetCol;
- m_targetRow = -1;
- m_targetCol = -1;
- }
- }
- }
-
- if (m_targetStimulationDecoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedEnd)) { }
-
- boxContext.markInputAsDeprecated(1, i);
- }
- }
-
- // --- Selection stimulations
-
- for (size_t k = 2; k < 4; ++k)
- {
- Kernel::IAlgorithmProxy* decoder = (k == 2 ? m_rowSelectionStimulationDecoder : m_columnSelectionStimulationDecoder);
- Kernel::TParameterHandler<const IMemoryBuffer*> selectionMemoryBuffer(
- decoder->getInputParameter(OVP_GD_Algorithm_StimulationDecoder_InputParameterId_MemoryBufferToDecode));
- Kernel::TParameterHandler<IStimulationSet*> selectionStimulationSet(
- decoder->getOutputParameter(OVP_GD_Algorithm_StimulationDecoder_OutputParameterId_StimulationSet));
-
- for (size_t i = 0; i < boxContext.getInputChunkCount(k); ++i)
- {
- if (m_lastTime >= boxContext.getInputChunkStartTime(k, i))
- {
- selectionMemoryBuffer = boxContext.getInputChunk(k, i);
- decoder->process();
-
- if (decoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedHeader)) { }
-
- if (decoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedBuffer))
- {
- IStimulationSet* stimulationSet = selectionStimulationSet;
- for (size_t j = 0; j < stimulationSet->getStimulationCount(); ++j)
- {
- uint64_t id = stimulationSet->getStimulationIdentifier(j);
- bool selected = false;
- if (id >= m_rowStimulationBase && id < m_rowStimulationBase + m_nRow)
- {
- this->getLogManager() << Kernel::LogLevel_Debug << "Received Selected Row " << id << "\n";
- m_selectedRow = int(id - m_rowStimulationBase);
- selected = true;
- }
- if (id >= m_columnStimulationBase && id < m_columnStimulationBase + m_nRow)
- {
- this->getLogManager() << Kernel::LogLevel_Debug << "Received Selected Column " << id << "\n";
- m_selectedCol = int(id - m_columnStimulationBase);
- selected = true;
- }
- if (id == OVTK_StimulationId_Label_00)
- {
- if (k == 2) { m_selectedRow = -2; }
- if (k == 3) { m_selectedCol = -2; }
- selected = true;
- }
- if (selected && m_selectedRow != -1 && m_selectedCol != -1)
- {
- if (m_selectedRow >= 0 && m_selectedCol >= 0)
- {
- this->getLogManager() << Kernel::LogLevel_Debug << "Displays Selected Cell\n";
- this->cacheForEachIf(m_selectedRow, m_selectedCol, &CBoxAlgorithmP300TactileVisualization::cacheChangeBackgroundCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeNullCB, &m_selectedBgColor, nullptr);
- this->cacheForEachIf(m_selectedRow, m_selectedCol, &CBoxAlgorithmP300TactileVisualization::cacheChangeForegroundCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeNullCB, &m_selectedFgColor, nullptr);
- this->cacheForEachIf(m_selectedRow, m_selectedCol, &CBoxAlgorithmP300TactileVisualization::cacheChangeFontCB,
- &CBoxAlgorithmP300TactileVisualization::cacheChangeNullCB, m_selectedFontDesc, nullptr);
-
- std::vector<GtkWidget*> widgets;
- this->cacheForEachIf(m_selectedRow, m_selectedCol, &CBoxAlgorithmP300TactileVisualization::cacheCollectChildWidgetCB,
- &CBoxAlgorithmP300TactileVisualization::cacheCollectChildWidgetCB, &widgets, nullptr);
-
- if (widgets.size() == 1)
- {
- if (GTK_IS_LABEL(widgets[0]))
- {
- std::string label;
- label = gtk_label_get_text(GTK_LABEL(widgets[0]));
- if (!m_targetHistory.empty())
- {
- auto it = m_targetHistory.begin();
- bool correct = (it->first == m_selectedRow && it->second == m_selectedCol);
- bool halfCorrect = (it->first == m_selectedRow || it->second == m_selectedCol);
- m_targetHistory.pop_front();
- std::string tmp;
- if (correct) { tmp = "<span color=\"darkgreen\">"; }
- else if (halfCorrect) { tmp = "<span color=\"darkorange\">"; }
- else { tmp = "<span color=\"darkred\">"; }
- label = tmp.append(label).append("</span>");
- }
- label = std::string(gtk_label_get_label(m_result)).append(label);
- gtk_label_set_markup(m_result, label.c_str());
- }
- else
- {
- this->getLogManager() << Kernel::LogLevel_Warning <<
- "Expected label class widget... could not find a valid text to append\n";
- }
- }
- else
- {
- this->getLogManager() << Kernel::LogLevel_Warning << "Did not find a unique widget at row : " << size_t(m_selectedRow) <<
- " column : " << size_t(m_selectedCol) << "\n";
- }
- //Switch Menu
- m_currMenu = m_currMenu->get_SubMenu(m_selectedRow);
- for(int i = 0; i < 6; i++)
- {
- std::string label_text = m_currMenu->get_LabelText(i);
-
- gtk_label_set_text(m_Label[i], label_text.c_str());
- }
- }
- else
- {
- this->getLogManager() << Kernel::LogLevel_Trace << "Selection Rejected !\n";
- std::string label;
- label = gtk_label_get_text(m_result);
- label += "*";
- gtk_label_set_text(m_result, label.c_str());
- }
-
- m_selectedRow = -1;
- m_selectedCol = -1;
- }
- }
- }
-
- if (decoder->isOutputTriggerActive(OVP_GD_Algorithm_StimulationDecoder_OutputTriggerId_ReceivedEnd)) { }
- boxContext.markInputAsDeprecated(k, i);
- }
- }
- }
-
- // After any possible rendering, we flush the accumulated stimuli. The default idle func is low priority, so it should be run after rendering by gtk.
- if (m_idleFuncTag == 0) { m_idleFuncTag = g_idle_add(FlushCB, this); }
-
- return true;
- }
-
- // _________________________________________________________________________________________________________________________________________________________
- //
-
- void CBoxAlgorithmP300TactileVisualization::cacheBuildFromTable(GtkTable* table)
- {
- if (table)
- {
- const GdkColor white = InitGDKColor(65535, 65535, 65535, 65535);
-
- for (GList* list = table->children; list; list = list->next)
- {
- GtkTableChild* child = static_cast<GtkTableChild*>(list->data);
-
- for (size_t i = child->top_attach; i < child->bottom_attach; ++i)
- {
- for (size_t j = child->left_attach; j < child->right_attach; ++j)
- {
- widget_style_t& style = m_cache[i][j];
- style.widget = child->widget;
- style.childWidget = gtk_bin_get_child(GTK_BIN(child->widget));
- style.bgColor = white;
- style.fgColor = white;
- style.fontDesc = nullptr;
- }
- }
- }
- }
- }
-
- void CBoxAlgorithmP300TactileVisualization::cacheForEach(const cache_callback callback, void* data)
- {
- for (auto i = m_cache.begin(); i != m_cache.end(); ++i)
- {
- for (auto j = i->second.begin(); j != i->second.end(); ++j) { (this->*callback)(j->second, data); }
- }
- }
-
- void CBoxAlgorithmP300TactileVisualization::cacheForEachIf(const int iLine, const int iColumn, const cache_callback ifCB, const cache_callback elseCB,
- void* ifUserData, void* elseUserData)
- {
- for (auto i = m_cache.begin(); i != m_cache.end(); ++i)
- {
- for (auto j = i->second.begin(); j != i->second.end(); ++j)
- {
- const bool line = (iLine != -1);
- const bool column = (iColumn != -1);
- bool inLine = false;
- bool inCol = false;
- bool first;
-
- if (line && size_t(iLine) == i->first) { inLine = true; }
- if (column && size_t(iColumn) == j->first) { inCol = true; }
-
- if (line && column) { first = inLine && inCol; }
- else { first = inLine || inCol; }
-
- if (first) { (this->*ifCB)(j->second, ifUserData); }
- else { (this->*elseCB)(j->second, elseUserData); }
- }
- }
- }
-
- void CBoxAlgorithmP300TactileVisualization::cacheChangeNullCB(widget_style_t& /*rWidgetStyle*/, void* /*data*/) { }
-
- void CBoxAlgorithmP300TactileVisualization::cacheChangeBackgroundCB(widget_style_t& style, void* data)
- {
- GdkColor oColor = *static_cast<GdkColor*>(data);
- if (memcmp(&style.bgColor, &oColor, sizeof(GdkColor)) != 0)
- {
- gtk_widget_modify_bg(style.widget, GTK_STATE_NORMAL, &oColor);
- style.bgColor = oColor;
- }
- }
-
- void CBoxAlgorithmP300TactileVisualization::cacheChangeForegroundCB(widget_style_t& style, void* data)
- {
- GdkColor oColor = *static_cast<GdkColor*>(data);
- if (memcmp(&style.fgColor, &oColor, sizeof(GdkColor)) != 0)
- {
- gtk_widget_modify_fg(style.childWidget, GTK_STATE_NORMAL, &oColor);
- style.fgColor = oColor;
- }
- }
-
- void CBoxAlgorithmP300TactileVisualization::cacheChangeFontCB(widget_style_t& style, void* data)
- {
- auto* pFontDescription = static_cast<PangoFontDescription*>(data);
- if (style.fontDesc != pFontDescription)
- {
- gtk_widget_modify_font(style.childWidget, pFontDescription);
- style.fontDesc = pFontDescription;
- }
- }
-
- void CBoxAlgorithmP300TactileVisualization::cacheCollectWidgetCB(widget_style_t& style, void* data)
- {
- if (data) { (static_cast<std::vector<GtkWidget*>*>(data))->push_back(style.widget); }
- }
-
- void CBoxAlgorithmP300TactileVisualization::cacheCollectChildWidgetCB(widget_style_t& style, void* data)
- {
- if (data) { (static_cast<std::vector<GtkWidget*>*>(data))->push_back(style.childWidget); }
- }
-
- // Note that we don't need concurrency control here as gtk callbacks run in the main thread
- void CBoxAlgorithmP300TactileVisualization::flushQueue()
- {
- for (const auto& stimulation : m_stimuliQueue) { m_stimulusSender->sendStimulation(stimulation); }
- m_stimuliQueue.clear();
-
- // This function will be automatically removed after completion, so set to 0
- m_idleFuncTag = 0;
- }
-
- } // namespace Tactilebci
- } // namespace Plugins
- } // namespace OpenViBE
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