FreeCalypso > hg > fc-magnetite

annotate src/gpf2/inc/pco_view_core.h @ 452:4d7c2ccb5814

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config mechanism: high-level UI config made separate from target display drivers
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 14 Mar 2018 07:22:05 +0000
parents 864b8cc0cf63
children
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1
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : PCO2
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4 | Modul : PCO_VIEW_CORE
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : This Modul contains the core viewer class
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18 | with basic functions and handlers for several PCO control
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19 | messages.
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20 | It is intended to be specialized and extended, e.g. in
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21 | GUI-server-applications.
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22 | Some member functions are totally virtual without any
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23 | standard body and have to be provided by the child class !
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24 +-----------------------------------------------------------------------------
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25 */
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26
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27 #ifndef _PCO_VIEW_CORE_H_
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28 #define _PCO_VIEW_CORE_H_
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29
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30 /*==== INCLUDES ===================================================*/
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31 #ifndef PCO_VIEW_CORE_CPP
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32 #include "pco_view_templ.h"
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33 #else
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34 #include "view/pco_view_templ.h"
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35 #endif
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36 #include "pco_inifile.h"
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37
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38 /*==== DEFINES =====================================================*/
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39
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40 /*==== PROTOTYPES ==================================================*/
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41
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42 /*==== CLASSES =====================================================*/
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43 class PCOView_core : public PCOView_templ
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44 {
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45 public:
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46 PCOView_core(const char* ini_file, int& err,
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47 const char* primq_name="", const char* ctrlq_name="");
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48 virtual ~PCOView_core();
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49
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50 /*
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51 +-------------------------------------------------------------------------------+
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52 | PROJECT : PCO2 MODULE : PCO_CTRL_CORE |
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53 | STATE : code ROUTINE : PCOView_core::dispatch_message |
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54 +-------------------------------------------------------------------------------+
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55
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56 PURPOSE : parses a PCO control message
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57 PARAMS: buf ... the data
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58 size .. size of buf
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59 id ... id of the message
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60 sender .. queue name of sender
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61
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62 RETURNS: 0 .. if message has been handled
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63 -1 .. otherwise
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64
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65 */
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66 virtual int dispatch_message(void* buf, U16 size, U16 id, const char* sender);
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67
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68
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69 /*
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70 +-------------------------------------------------------------------------------+
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71 | PROJECT : PCO2 MODULE : PCO_CTRL_CORE |
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72 | STATE : code ROUTINE : PCOView_core::interpret_message|
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73 +-------------------------------------------------------------------------------+
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74
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75 PURPOSE : here interpretation of received raw data takes place
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76 (has to be implemented by derived classes !)
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77
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78 PARAMS: buffer .. raw data to be interpretated
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79 bufsize .. size of buffer
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80 data .. actual data
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81 size .. size of data
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82 id .. id of data message
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83 index .. index of data message (e.g. in logfile) ... 0 means no index!!
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84 ttype .. type of time stamp - see PCO_TTYPE_XXX constants
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85 time .. time stamp
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86 sender .. name of sender
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87 receiver.. name of original receiver
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88
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89 RETURNS: 0 .. success
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90 -1 .. interpretation was not possible
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91
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92 */
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93 virtual int interpret_message(void* buffer, U16 bufsize,
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94 void* &data, U16 &size, ULONG &id, ULONG& index, ULONG& ttype, U32 &time,
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95 char* &sender, char* &receiver) {return -1;}
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96
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97 /*
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98 +-------------------------------------------------------------------------------+
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99 | PROJECT : PCO2 MODULE : PCO_VIEW_CORE |
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100 | STATE : code ROUTINE : PCOView_core::on_data |
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101 +-------------------------------------------------------------------------------+
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102
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103 PURPOSE : here reaction to received data takes place
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104 (has to be implemented by derived classes !)
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105
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106 PARAMS: data .. the data
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107 size .. size of data
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108 id .. id of data message
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109 index .. index of data message (e.g. in logfile) ... 0 means no index!!
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110 ttype .. type of time stamp - see PCO_TTYPE_XXX constants
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111 time .. time stamp
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112 sender .. name of sender
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113 receiver.. name of original receiver
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114
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115 */
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116 virtual void on_data(void* data, U16 size, ULONG id, ULONG index,
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117 ULONG ttype, U32 time, const char* sender, char* receiver) {}
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118
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119 /*
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120 +-------------------------------------------------------------------------------+
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121 | PROJECT : PCO2 MODULE : PCO_VIEW_CORE |
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122 | STATE : code ROUTINE : PCOView_core::on_raw_data |
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123 +-------------------------------------------------------------------------------+
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124
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125 PURPOSE : here reaction to the raw data just as received from server takes place
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126 (may be implemented by derived classes)
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127 if interpretation succeeded it will be called AFTER on_data(), otherwise
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128 only on_raw_data() is called
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129
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130 PARAMS: rawdata .. the data
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131 rawsize .. size of data
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132
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133 */
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134 virtual void on_raw_data(void* rawdata, U16 rawsize) {}
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135
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136 /*
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137 +-------------------------------------------------------------------------------+
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138 | PROJECT : PCO2 MODULE : PCO_VIEW_CORE |
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139 | STATE : code ROUTINE : PCOView_core::on_corrupt_data |
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140 +-------------------------------------------------------------------------------+
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141
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142 PURPOSE : this function is called if corrupt data has been received
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143 deriving viewers may, e.g., release semaphores
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144
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145 PARAMS:
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146 */
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147 virtual void on_corrupt_data() {}
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148
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149 /*
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150 +----------------------------------------------------------------------------------+
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151 | PROJECT : PCO2 MODULE : PCO_VIEW_CORE |
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152 | STATE : code ROUTINE : PCOView_core::propagate_inichange |
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153 +----------------------------------------------------------------------------------+
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154
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155 PURPOSE : saves ini-file and sends an information about important ini-file changes
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156 to the server, which will propagate it to all connected viewers
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157
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158 PARAMS:
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159
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160 RETURNS: 0 .. sucess
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161 -1 .. Server not found
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162 -2 .. error while contacting Server
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163 */
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164 int propagate_inichange();
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165
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166 /*
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167 +--------------------------------------------------------------------------------+
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168 | PROJECT : PCO2 MODULE : PCO_VIEW_CORE |
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169 | STATE : code ROUTINE : PCOView_core::self_trace |
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170 +--------------------------------------------------------------------------------+
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171
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172 PURPOSE : adds a new trace string to the queue of this viewer
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173 (has to be implemented by derived classes !)
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174
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175 PARAMS:
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176
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177 */
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178 virtual void self_trace(const char* trace)=0;
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179
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180 /*
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181 +-------------------------------------------------------------------------------+
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182 | PROJECT : PCO2 MODULE : PCO_VIEW_CORE |
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183 | STATE : code ROUTINE : PCOView_core::on_inichange |
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184 +-------------------------------------------------------------------------------+
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185
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186 PURPOSE : reloads important changes from ini-file
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187
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188 PARAMS:
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189
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190 */
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191 virtual void on_inichange();
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192
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193 bool running() const {return m_running;}
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194
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195 int dsize() const { return m_dsize;}
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196 int qsize() const { return m_qsize;}
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197
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198 /*
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199 +-------------------------------------------------------------------------------+
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200 | PROJECT : PCO2 MODULE : PCO_VIEW_CORE |
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201 | STATE : code ROUTINE : PCOView_core::shutdown |
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202 +-------------------------------------------------------------------------------+
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203
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204 PURPOSE : exits the viewer threads
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205
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206 PARAMS:
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207
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208 */
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209 void shutdown();
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210
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211 virtual IniFile& inifile() { return m_inifile;}
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212 virtual const IniFile& inifile() const { return m_inifile;}
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213
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214 protected:
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215 CMS_HANDLE m_prim_handle,m_ctrl_handle;
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216 bool m_running;
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217
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218 IniFile m_inifile;
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219 int m_qsize, m_dsize;
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220
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221 static void cms_prim_proc(long view);
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222 static void cms_ctrl_proc(long view);
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223 };
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224
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225 #endif /* _PCO_VIEW_CORE_H_ */