[904] | 1 | <!-- ******************************************************** --> |
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| 2 | <!-- Docbook Version: For Toolkit Developers Guide --> |
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| 3 | <!-- ******************************************************** --> |
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| 4 | |
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| 5 | <!-- ******************* Section (Level#1) ****************** --> |
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| 6 | <sect1 id="sect.DsgnFuncIntrCm"> |
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| 7 | <title> |
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| 8 | Intercoms |
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| 9 | </title> |
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| 10 | |
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| 11 | <!-- ******************* Section (Level#2) ****************** --> |
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| 12 | <sect2 id="sect.DsgnFuncIntrCm.DsgPhlsp"> |
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| 13 | <title> |
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| 14 | Design Philosophy |
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| 15 | </title> |
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| 16 | |
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| 17 | <para> |
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| 18 | The intercoms category implements an expandable command interpreter which |
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| 19 | is the key mechanism in Geant4 for realizing customizable and |
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| 20 | state-dependent user interactions with all categories without being |
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| 21 | perturbed by the dependencies among classes. The capturing of commands is |
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| 22 | handled by a C++ abstract class <emphasis role="italic">G4UIsession</emphasis>. |
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| 23 | Various concrete implementations of the command capturer are contained in |
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| 24 | the [user] interfaces category. Taking into account the rapid evolution |
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| 25 | of graphical user interface (GUI) technology and consequent dependence on |
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| 26 | external facilities, plural and extensible GUIs are offered. |
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| 27 | </para> |
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| 28 | |
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| 29 | <para> |
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| 30 | Programmers need only know how to register the commands and parameters |
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| 31 | appropriate to their problem domain; no knowledge of GUI programming is |
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| 32 | required to allow an application to use them through one of the available |
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| 33 | GUIs. |
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| 34 | </para> |
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| 35 | |
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| 36 | <para> |
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| 37 | The intercoms category also provides the virtual base classes |
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| 38 | |
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| 39 | <itemizedlist spacing="compact"> |
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| 40 | <listitem><para> |
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| 41 | G4VVisManager, |
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| 42 | </para></listitem> |
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| 43 | <listitem><para> |
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| 44 | G4VGraphicsScene, and |
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| 45 | </para></listitem> |
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| 46 | <listitem><para> |
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| 47 | G4VGlobalFastSimulationManager. |
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| 48 | </para></listitem> |
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| 49 | </itemizedlist> |
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| 50 | </para> |
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| 51 | |
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| 52 | </sect2> |
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| 53 | |
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| 54 | <!-- ******************* Section (Level#2) ****************** --> |
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| 55 | <sect2 id="sect.DsgnFuncIntrCm.ClassDsg"> |
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| 56 | <title> |
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| 57 | Class Design |
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| 58 | </title> |
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| 59 | |
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| 60 | <para> |
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| 61 | <itemizedlist spacing="compact"> |
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| 62 | <listitem><para> |
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| 63 | <emphasis role="bold">G4UISession</emphasis> - |
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| 64 | </para></listitem> |
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| 65 | <listitem><para> |
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| 66 | <emphasis role="bold">G4UIBatch</emphasis> - |
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| 67 | </para></listitem> |
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| 68 | <listitem><para> |
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| 69 | <emphasis role="bold">G4UICommand</emphasis> - |
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| 70 | </para></listitem> |
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| 71 | <listitem><para> |
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| 72 | <emphasis role="bold">G4UIparameter</emphasis> - |
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| 73 | </para></listitem> |
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| 74 | <listitem><para> |
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| 75 | <emphasis role="bold">G4UImessenger</emphasis> - |
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| 76 | </para></listitem> |
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| 77 | </itemizedlist> |
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| 78 | </para> |
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| 79 | |
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| 80 | <para> |
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| 81 | The object-oriented design of the 'user interface' related classes |
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| 82 | is shown in the class diagram <xref linkend="fig.DsgnFuncIntrCm_1" />. |
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| 83 | The diagram is described in the Booch notation. |
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| 84 | |
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| 85 | <figure id="fig.DsgnFuncIntrCm_1"> |
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| 86 | <title> |
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| 87 | Overview of intercom classes |
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| 88 | </title> |
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| 89 | <mediaobject> |
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| 90 | <imageobject role="fo"> |
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| 91 | <imagedata fileref="./AllResources/OOAnalysisDesign/UserInterface/classDgmUserInterface.gif" |
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| 92 | format="GIF" contentwidth="10.0cm" align="center" /> |
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| 93 | </imageobject> |
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| 94 | <imageobject role="html"> |
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| 95 | <imagedata fileref="./AllResources/OOAnalysisDesign/UserInterface/classDgmUserInterface.gif" |
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| 96 | format="GIF" align="center" /> |
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| 97 | </imageobject> |
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| 98 | </mediaobject> |
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| 99 | </figure> |
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| 100 | </para> |
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| 101 | |
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| 102 | </sect2> |
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| 103 | |
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| 104 | <!-- ******* Bridgehead ******* --> |
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| 105 | <bridgehead role="revisionHistory" renderas='sect4'> |
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| 106 | [Status of this chapter] |
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| 107 | </bridgehead> |
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| 108 | |
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| 109 | <para> |
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| 110 | <simplelist type="var"> |
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| 111 | <member> |
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| 112 | 27.06.05 design philosophy (from Geant4 general paper) and class design |
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| 113 | sections added by D.H. Wright |
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| 114 | </member> |
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| 115 | <member> |
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| 116 | Dec. 2006 Conversion from latex to Docbook verson by K. Amako |
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| 117 | </member> |
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| 118 | </simplelist> |
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| 119 | </para> |
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| 120 | |
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| 121 | |
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| 122 | </sect1> |
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