<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title></title> <link rel="stylesheet" media="screen" type="text/css" href="./style.css" /> <link rel="stylesheet" media="screen" type="text/css" href="./design.css" /> <link rel="stylesheet" media="print" type="text/css" href="./print.css" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> </head> <body> <div class="table sectionedit684"><table class="inline"> <tr class="row0"> <td class="col0 leftalign"> « <a href="geda-gschem_ug-exporting.html" class="wikilink1" title="geda-gschem_ug-exporting.html">Exporting images</a> </td><td class="col1 centeralign"> <strong><a href="geda-gschem_ug.html" class="wikilink1" title="geda-gschem_ug.html">gEDA gschem User Guide</a></strong> </td><td class="col2 rightalign"> <a href="geda-gschem_ug-command_line.html" class="wikilink1" title="geda-gschem_ug-command_line.html">Command-line arguments</a> » </td> </tr> </table></div> <!-- EDIT684 TABLE [1-135] --> <h2 class="sectionedit685"><a name="configuring_gschem" id="configuring_gschem">Configuring gschem</a></h2> <div class="level2"> <p> gschem loads a series of <em>configuration files</em> at start-up, if they exist: </p> <ol> <li class="level1"><div class="li"> The suite's system configuration file, called <code>$PREFIX/share/gEDA/system-gafrc</code></div> </li> <li class="level1"><div class="li"> The suite's user configuration file, called <code>$HOME/.gEDA/gafrc</code></div> </li> <li class="level1"><div class="li"> A <code>gafrc</code> in the current working directory.</div> </li> <li class="level1"><div class="li"> gschem's system configuration file, called <code>$PREFIX/share/gEDA/system-gschemrc</code></div> </li> <li class="level1"><div class="li"> gschem's user configuration file, called <code>$HOME/.gEDA/gschemrc</code></div> </li> <li class="level1"><div class="li"> A <code>gschemrc</code> in the current working directory.</div> </li> </ol> <p> <code>$PREFIX</code> denotes the base installation directory for gschem (<code>/usr</code> on most systems), and <code>$HOME</code> denotes your home directory. </p> <p> These files are scripts written in Scheme, and they are executed using a Scheme interpreter. This means that you can use the configuration files as a way of customising and extending gschem (see also <a href="geda-gschem_ug-extensions.html" class="wikilink1" title="geda-gschem_ug-extensions.html">Extending gschem</a>). </p> <p> <p><div class="noteclassic">There are a very large number of options that affect the way gschem works, and only the most commonly-used are listed here. For a full list, see the <code>system-gschemrc</code> installed with gEDA. </div></p> </p> </div> <!-- EDIT685 SECTION "Configuring gschem" [137-1237] --> <h3 class="sectionedit686"><a name="setting_colors" id="setting_colors">Setting colors</a></h3> <div class="level3"> <p> gschem uses three different color maps. These are: </p> <ol> <li class="level1"><div class="li"> <em>Display color map</em> — this is the normal color map used for displaying schematics in gschem.</div> </li> <li class="level1"><div class="li"> <em>Display outline color map</em> — this color map is used for objects that are being modified (e.g. during movement or during placement of objects pasted from the clipboard).</div> </li> <li class="level1"><div class="li"> <em>Print color map</em> — used during export to PostScript.</div> </li> </ol> <p> gschem is distributed with some full <a href="geda-gschem_ug-viewing_schematics.html#color_maps" class="wikilink1" title="geda-gschem_ug-viewing_schematics.html">color maps</a>, which are supplied as Scheme scripts. They can be loaded with <code>load</code>; for example, to load the default dark background color map, add the following to a configuration file: </p> <pre class="code">(load (build-path geda-rc-path "gschem-colormap-darkbg"))</pre> <p> You can also set individual colors using the <code>display-color-map</code>, <code>display-outline-color-map</code> and <code>print-color-map</code> functions. For example, to set the display color for nets to a light blue, you could add the following to a configuration file: </p> <pre class="code">(display-color-map '((net "#00ffff")))</pre> <p> Color settings should be placed in a gschem configuration file. </p> </div> <!-- EDIT686 SECTION "Setting colors" [1238-2359] --> <h3 class="sectionedit687"><a name="key_bindings" id="key_bindings">Key bindings</a></h3> <div class="level3"> <p> A gschem <a href="geda-gschem_ug-editing_actions.html" class="wikilink1" title="geda-gschem_ug-editing_actions.html">editing action</a> can be bound to a keystroke or a sequence of keystrokes (a <em>key sequence</em>). The <code>global-set-key</code> function is used to modify keybindings. </p> <p> Each keystroke is defined using a string consisting of a non-modifier key name, prefixed by zero or more modifiers surrounded by angle brackets (”<code><</code>” and ”<code>></code>”). The supported modifiers are <code><Control></code>, <code><Shift></code>, <code><Alt></code>, <code><Super></code>, <code><Hyper></code> and <code><Meta></code> (these are not available on all keyboards). </p> <p> <p><div class="noteimportant">Although key bindings will be displayed in gschem using internationalised key names, you must use the English names in the configuration files. </div></p> </p> <p> A key sequence is a string containing two or more keystrokes separated by spaces. </p> <p> Some examples: </p> <ul> <li class="level1"><div class="li"> To bind the “New Window” command to a typed <strong><F></strong> followed by an <strong><N></strong>: <pre class="code">(global-set-key "F N" 'file-new-window)</pre> </div> </li> <li class="level1"><div class="li"> To run the “Deselect All” command when the <strong><Ctrl></strong> and <strong><Shift></strong> keys are held down and an <strong><A></strong> is typed: <pre class="code">(global-set-key "<Control><Shift>A" 'edit-deselect)</pre> </div> </li> <li class="level1"><div class="li"> To display the “Snap Size” dialog box when <strong><O></strong> is typed, followed by <strong><S></strong> typed with the <strong><Shift></strong> key held down: <pre class="code">(global-set-key "O <Shift>S" 'options-snapsize)</pre> </div> </li> </ul> <p> Key settings should be placed in a gschem configuration file. </p> </div> <!-- EDIT687 SECTION "Key bindings" [2360-3724] --> <h3 class="sectionedit688"><a name="symbol_and_source_libraries" id="symbol_and_source_libraries">Symbol and source libraries</a></h3> <div class="level3"> <p> The <code>component-library</code> function is used to add symbol libraries to the <a href="geda-gschem_ug-components.html" class="wikilink1" title="geda-gschem_ug-components.html">"Select Component..." window</a>. A symbol library is a directory that contains symbol (”<code>.sym</code>”) files. To add a directory as a symbol library, add the following to your configuration file: </p> <pre class="code">(component-library "/path/to/mysymbols")</pre> <p> You can optionally set a different name for the library as an additional argument to <code>component-library</code>: </p> <pre class="code">(component-library "/path/to/mysymbols" "My Symbols")</pre> <p> To add all subdirectories of a particular directory as symbol libraries, use <code>component-library-search</code>: </p> <pre class="code">(component-library-search "/path/to/mysymbollibs/")</pre> <p> This will (recursively) look for directories that contain symbols below the specified path, and add them to the “Select Component…” window. </p> <p> To add a directory to be searched for <a href="geda-gschem_ug-hierarchy.html" class="wikilink1" title="geda-gschem_ug-hierarchy.html">subcircuit schematics</a>, use the <code>source-library</code> function. This is similar to the <code>component-library</code> function, except that it does <em>not</em> accept an optional name argument. </p> <p> Library settings should be placed in a gEDA/gaf suite configuration file, so that the symbol libraries are available to other gEDA tools (especially <a href="geda-gnetlist_ug.html" class="wikilink1" title="geda-gnetlist_ug.html">gnetlist</a>). </p> </div> <!-- EDIT688 SECTION "Symbol and source libraries" [3725-] --></body> </html>
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