1 |
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2 | #include "GUI.h"
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3 |
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4 | //-----------------------------------------------------------------------
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5 | //**************************** All functions ****************************
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6 | //-----------------------------------------------------------------------
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7 |
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8 | // +++ Open file dialog +++
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9 | void ddd::FileDialog(void) {
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10 | QString Filename = QFileDialog::getOpenFileName(this,
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11 | "Open raw file", INITIAL_DIRECTORY, "Raw data files (*.raw);; All files (*)");
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12 | if (Filename != NULL) {
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13 | FilenameBox->setText(Filename);
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14 | OpenDatafile();
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15 | }
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16 | }
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17 |
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18 | // +++ Open selected file and read run header +++
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19 | void ddd::OpenDatafile() {
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20 |
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21 | CloseDatafile(); // Close previous file if open
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22 |
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23 | // Write run header to temporary file
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24 | FILE *Tmpfile = tmpfile();
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25 | if(Tmpfile==NULL) {
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26 | QMessageBox::warning(this, "ddd Message","Could not open temporary file.",QMessageBox::Ok);
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27 | CloseDatafile();
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28 | return;
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29 | }
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30 |
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31 | switch (RD->OpenDataFile(FilenameBox->text().toAscii().data(), Tmpfile)) {
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32 | case CTX_FOPEN: QMessageBox::warning(this, "ddd Message","Could not open file.",QMessageBox::Ok);
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33 | return;
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34 | case CTX_RHEADER: QMessageBox::warning(this, "ddd Message","Could not read run header.",QMessageBox::Ok);
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35 | return;
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36 | case CTX_BSTRUCT: QMessageBox::warning(this, "ddd Message","Could not read board structures.",QMessageBox::Ok);
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37 | return;
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38 | default: break;
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39 | }
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40 | if (RD->RHeader->MagicNum == MAGICNUM_OPEN) {
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41 | QMessageBox::warning(this, "ddd Message","Magic number in run header indicates that the file has not been closed properly.",QMessageBox::Ok);
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42 | }
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43 | if (RD->RHeader->MagicNum == MAGICNUM_ERROR) {
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44 | QMessageBox::warning(this, "ddd Message","Magic number in run header indicates that an error occurred while writing the file.",QMessageBox::Ok);
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45 | }
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46 |
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47 | rewind(Tmpfile);
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48 | QTextStream in(Tmpfile);
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49 | QString text = in.readAll();
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50 | RunHeaderDisplay->setPlainText(text);
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51 | fclose(Tmpfile);
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52 |
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53 | // Enable spin boxes, set ranges and display first event
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54 | EventNo->setEnabled(true);
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55 | ChannelNo->setEnabled(true);
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56 | BoardNo->setEnabled(true);
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57 | PixelID->setEnabled(true);
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58 | EventNo->setValue(1);
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59 | EventNo->setRange(1, RD->RHeader->Events);
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60 | ChannelNo->setValue(0);
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61 | ChannelNo->setRange(0, RD->RHeader->NChannels*RD->RHeader->NChips-1);
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62 | BoardNo->setValue(0);
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63 | BoardNo->setRange(0, RD->RHeader->NCMCBoards-1);
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64 | DisplayEvent();
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65 | }
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66 |
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67 | // +++ Close data file file if open, delete event header and disable spin boxes and displays +++
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68 | void ddd::CloseDatafile() {
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69 | if(RD->CloseDataFile()==CTX_OK) {
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70 | EventNo->setEnabled(false);
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71 | ChannelNo->setEnabled(false);
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72 | BoardNo->setEnabled(false);
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73 | PixelID->setEnabled(false);
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74 | RunHeaderDisplay->clear();
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75 | EventHeaderDisplay->clear();
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76 | Signal->hide();
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77 | }
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78 | }
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79 |
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80 | // +++ Read event header and display event (only called if Datafile is open) +++
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81 | void ddd::DisplayEvent(int) {
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82 |
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83 | PixelID->setText(PixMap->DRS_to_Pixel(BoardNo->value(),ChannelNo->value()/10,ChannelNo->value()%10).c_str());
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84 | if(Socket->state() == QAbstractSocket::ConnectedState) return; // do not execute if socket is open
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85 |
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86 | // Read event
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87 | FILE *Tmpfile = tmpfile();
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88 |
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89 | switch(RD->ReadEvent(EventNo->value(), Tmpfile)) {
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90 | case !CTX_OK:
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91 | QMessageBox::warning(this, "ddd Warning","Could not read event.",QMessageBox::Ok);
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92 | EventHeaderDisplay->clear();
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93 | break;
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94 | default:
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95 | rewind(Tmpfile);
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96 | QTextStream in(Tmpfile);
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97 | QString text = in.readAll();
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98 | EventHeaderDisplay->setPlainText(text);
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99 | // Case data in double format required by qwt library
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100 | double* x = new double [RD->RHeader->Samples];
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101 | double* y = new double [RD->RHeader->Samples];
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102 | for (unsigned int i=0; i<RD->RHeader->Samples; i++) {
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103 | x[i] = (double) (i/RD->BStruct[BoardNo->value()].NomFreq);
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104 | y[i] = (double) RD->Data[BoardNo->value()*RD->RHeader->NChips*RD->RHeader->NChannels *
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105 | RD->RHeader->Samples+ChannelNo->value()*RD->RHeader->Samples+i]*RD->BStruct[BoardNo->value()].ScaleFactor;
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106 | }
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107 | Signal->setData(x, y, RD->RHeader->Samples);
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108 | Signal->show();
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109 | Zoomer->setZoomBase(Signal->boundingRect());
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110 | delete[] x; delete[] y;
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111 | }
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112 | if(Tmpfile!=NULL) fclose(Tmpfile);
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113 | }
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114 |
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115 | // +++ Open sub window handling the socket interface +++
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116 | void ddd::OpenSocketWindow() {
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117 |
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118 | if(SocketWindow->isVisible()) SocketWindow->hide();
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119 | else SocketWindow->show();
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120 | }
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121 |
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122 | // +++ Acquire data through socket (acquire botton only available if socket exists) +++
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123 | void ddd::GetSignalFromSocket() {
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124 | char Command[MAX_COM_SIZE];
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125 |
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126 | GetButton->setEnabled(false);
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127 | WaitForData = true;
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128 | sprintf(Command, "read %d %d %d restart", BoardNo->value(), ChannelNo->value()/10, ChannelNo->value()%10);
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129 | Socket->write(Command);
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130 | }
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131 |
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132 | // Quit application when clicking close button on window
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133 | void ddd::closeEvent(QCloseEvent *) {
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134 | qApp->quit();
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135 | }
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136 |
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137 | // +++ Connecting or disconnecting from client +++
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138 | void ddd::MakeConnection() {
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139 |
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140 | if(Socket->state() == QAbstractSocket::ConnectedState) {
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141 | ManualDisconnect = true;
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142 | Socket->disconnectFromHost();
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143 | }
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144 | else {
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145 | if (RD->IsFileOpen() && QMessageBox::question(this, "ddd Request","Connecting will close current data file. Proceed?",
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146 | QMessageBox::No, QMessageBox::Yes) != QMessageBox::Yes) return;
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147 | Socket->connectToHost(IPAddress->text(),Port->value());
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148 | Connect->setEnabled(false); // While waiting for connection, button not available
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149 | Socket->waitForConnected(SOCKET_TIMEOUT);
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150 | Connect->setEnabled(true);
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151 | if(Socket->state() != QAbstractSocket::ConnectedState)
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152 | QMessageBox::warning(this, "ddd Message","Could not connect to host.",QMessageBox::Ok);
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153 | else {
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154 | Connect->setText("Disconnect");
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155 | ConnectAction->setText("Disconnect");
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156 | Port->setEnabled(false);
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157 | IPAddress->setEnabled(false);
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158 | Command->setEnabled(true);
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159 | GetButton->setEnabled(true);
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160 | ManualDisconnect = false;
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161 |
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162 | OpenAction->setEnabled(false);
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163 | FilenameBox->setEnabled(false);
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164 | LoadButton->setEnabled(false);
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165 | FilenameBox->clear();
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166 | CloseDatafile();
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167 |
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168 | ChannelNo->setEnabled(true);
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169 | BoardNo->setEnabled(true);
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170 | PixelID->setEnabled(true);
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171 | ChannelNo->setRange(0, 65535);
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172 | BoardNo->setRange(0, 65535);
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173 |
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174 | TabWidget->setTabEnabled(1,false);
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175 | TabWidget->setTabEnabled(2,false);
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176 |
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177 | RunHeaderDisplay->clear();
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178 | EventHeaderDisplay->clear();
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179 | Signal->hide();
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180 | }
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181 | }
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182 | }
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183 |
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184 | // +++ Send command to socket (command button available only if socket existing) +++
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185 | void ddd::SendToSocket() {
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186 | Socket->write(Command->text().toAscii());
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187 | Command->clear();
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188 | }
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189 |
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190 | // +++ Read data from socket and display +++
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191 | void ddd::ReadFromSocket() {
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192 | // Check if channel data expected and error message arrived
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193 | QByteArray Data = Socket->readAll();
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194 | if (WaitForData && Data.contains("Error")) {
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195 | WaitForData = false;
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196 | GetButton->setEnabled(true);
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197 | QMessageBox::warning(this, "ddd Message","Could not read waveform data from socket.",QMessageBox::Ok);
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198 | return;
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199 | }
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200 |
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201 | // Check if channel data were transmitted, if yes and waiting for data, extract and plot them
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202 | SocketOutput->insertPlainText(Data);
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203 | QString Text = SocketOutput->document()->toPlainText().trimmed();
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204 | if (WaitForData && Text.endsWith(QLatin1String("==END=="))) {
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205 | // Extract text between ==START== and ==END==
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206 | QByteArray Data=Text.mid(Text.lastIndexOf("==START==")+9,Text.length()-Text.lastIndexOf("==START==")-16).toAscii();
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207 |
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208 | char *NextNumber = strtok(Data.data()," "); // Number of entries that follow
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209 | int Count=0, NumberOfEntries = atoi(NextNumber);
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210 | double *x = new double [NumberOfEntries];
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211 | double *y = new double [NumberOfEntries];
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212 |
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213 | // Convert all entries (separated by a whitespace) to numbers
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214 | while((NextNumber=strtok(NULL, " "))!=NULL && Count<NumberOfEntries)
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215 | *(y+Count++) = atof(NextNumber);
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216 | if (Count==NumberOfEntries && NextNumber!=0)
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217 | QMessageBox::warning(this, "ddd Message","Found too many numbers in data block, truncated.",QMessageBox::Ok);
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218 | // Apply sampling frequency and scaling factor
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219 | for(int i=2; i<Count; i++) {
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220 | x[i] = (i-2) / y[0];
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221 | y[i] = y[i] * y[1];
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222 | }
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223 | if(NumberOfEntries>2) {
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224 | Signal->setData(x+2, y+2, NumberOfEntries-2); // Copies data, arrays can be deleted afterwards
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225 | Signal->show();
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226 | Zoomer->setZoomBase(Signal->boundingRect());
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227 | }
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228 | delete[] x; delete[] y;
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229 |
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230 | if(ContinuousBox->isChecked()) {
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231 | usleep(100000); // Wait to limit maximum update rate
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232 | GetSignalFromSocket();
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233 | }
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234 | else {
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235 | WaitForData = false;
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236 | GetButton->setEnabled(true);
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237 | }
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238 | }
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239 | }
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240 |
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241 | // +++ Disconnect from socket +++
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242 | void ddd::GotDisconnected() {
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243 | Connect->setText("Connect");
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244 | ConnectAction->setText("Connect");
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245 | Port->setEnabled(true);
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246 | IPAddress->setEnabled(true);
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247 | Command->setEnabled(false);
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248 |
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249 | GetButton->setEnabled(false);
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250 | FilenameBox->setEnabled(true);
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251 | OpenAction->setEnabled(true);
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252 | LoadButton->setEnabled(true);
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253 | ChannelNo->setEnabled(false);
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254 | BoardNo->setEnabled(false);
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255 | PixelID->setEnabled(false);
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256 | Signal->hide();
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257 | TabWidget->setTabEnabled(1, true);
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258 | TabWidget->setTabEnabled(2, true);
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259 |
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260 | SocketOutput->clear();
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261 | if(!ManualDisconnect) QMessageBox::warning(this, "ddd Message","Socket disconnected, maybe host gone.",QMessageBox::Ok);
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262 | }
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263 |
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264 | // +++ Translate pixel ID +++
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265 | void ddd::TranslatePixelID() {
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266 |
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267 | int Board = PixMap->Pixel_to_DRSboard(PixelID->text().toStdString());
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268 | int Chip = PixMap->Pixel_to_DRSchip(PixelID->text().toStdString());
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269 | int Channel = PixMap->Pixel_to_DRSchannel(PixelID->text().toStdString());
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270 |
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271 | if(Board>=BoardNo->minimum() && Board<=BoardNo->maximum() &&
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272 | (Chip*10+Channel)>=ChannelNo->minimum() && (Chip*10+Channel)<=ChannelNo->maximum()) {
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273 | BoardNo->setValue(Board);
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274 | ChannelNo->setValue(Chip*10+Channel);
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275 | }
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276 | else if(Board==999999999) QMessageBox::warning(this, "ddd Message","Pixel ID unknown.",QMessageBox::Ok);
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277 | else QMessageBox::warning(this, "ddd Message","Pixel ID out of current range.",QMessageBox::Ok);
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278 | }
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279 |
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280 |
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281 | //------------------------------------------------------------------
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282 | //**************************** All menus ***************************
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283 | //------------------------------------------------------------------
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284 |
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285 | void ddd::MenuSave() {
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286 | QString Filename = QFileDialog::getSaveFileName(this,
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287 | "Filename of image", "/home/ogrimm/ddd", "Image files (*.bmp *.jpg *.png *.ppm *.tiff *.xbm *.xpm);;All files (*)");
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288 | if (Filename.length()>0) {
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289 | QPixmap Pixmap = QPixmap::grabWidget(Graph);
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290 | if(!Pixmap.save(Filename)) {
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291 | QMessageBox::warning(this, "ddd Message","Could not write image file.",QMessageBox::Ok);
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292 | remove(Filename.toAscii().data());
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293 | }
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294 | }
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295 | }
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296 |
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297 | void ddd::MenuPrint() {
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298 | QPrinter *Printer = new QPrinter;
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299 | QPrintDialog *PrintDialog = new QPrintDialog(Printer, this);
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300 | if (PrintDialog->exec() == QDialog::Accepted) {
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301 | QPainter Painter(Printer);
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302 | QPixmap Pixmap = QPixmap::grabWidget(Graph);
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303 | Painter.drawPixmap(0, 0, Pixmap);
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304 | }
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305 | delete Printer; delete PrintDialog;
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306 | }
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307 |
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308 | void ddd::MenuHelp() {
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309 | QMessageBox Message;
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310 | Message.setText("The DRS Data Display program can be used for two purposes:\n\n"
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311 | "1. Reading and displaying the content of a raw data file written by the drsdaq program\n"
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312 | "2. Acquiring and displaying online data from a running drsdaq program via the socket interface\n\n"
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313 | "With an established socket connection, displaying of raw data files is disabled.");
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314 | Message.setWindowTitle("ddd Help");
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315 | Message.exec();
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316 | }
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317 |
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318 | void ddd::MenuAbout() {
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319 | QMessageBox::about(this, "ddd About","DRS Data Display\n\n"
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320 | "Written by Oliver Grimm, IPP, ETH Zurich\n"
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321 | "This version compiled "__DATE__".\n\n"
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322 | "Graphical user interface implemented with Qt.\n"
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323 | "Bug reports to oliver.grimm@phys.ethz.ch.");
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324 | }
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