<html> <head> <title>Gri Mode: About Gri Mode</title> </head> <body bgcolor="#FFFFFF" text="#000000" link="#0000EE" vlink="#551A8B" alink="FF0000"> <!-- newfile AboutGriMode.html "Gri Mode: About Gri Mode" "Gri Mode:About Gri Mode" --> <!-- @node About Gri Mode, Gri-mode screenshots, Emacs Mode, Emacs Mode --> <a name="AboutGriMode" ></a> <img src="./resources/top_banner.gif" usemap="#navigate_top" border="0"> <table summary="top banner" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="150" valign="top"> <font size=-1> <br> Chapters: </br> <a href="Introduction.html">1: Introduction</a><br> <a href="SimpleExample.html">2: Simple example</a><br> <a href="InvokingGri.html">3: Invocation</a><br> <a href="GettingMoreControl.html">4: Finer Control</a><br> <a href="X-Y.html">5: X-Y Plots</a><br> <a href="ContourPlots.html">6: Contour Plots</a><br> <a href="Images.html">7: Image Plots</a><br> <a href="Examples.html">8: Examples</a><br> <a href="Commands.html">9: Gri Commands</a><br> <a href="Programming.html">10: Programming</a><br> <a href="Environment.html">11: Environment</a><br> <a href="Emacs.html">12: Emacs Mode</a><br> <a href="History.html">13: History</a><br> <a href="Installation.html">14: Installation</a><br> <a href="Bugs.html">15: Gri Bugs</a><br> <a href="TestSuite.html">16: Test Suite</a><br> <a href="Acknowledgments.html">17: Acknowledgments</a><br> <a href="License.html">18: License</a><br> <br> Indices:</br> <a href="ConceptIndex.html"><i>Concepts</i></a><br> <a href="CommandIndex.html"><i>Commands</i></a><br> <a href="BuiltinIndex.html"><i>Variables</i></a><br> </font> <td width="500" valign="top"> <map name="navigate_top"> <area alt="index.html#Top" shape="rect" coords="5,2,218,24" href="index.html#Top"> <area alt="Emacs.html#EmacsMode" shape="rect" coords="516,2,532,24" href="Emacs.html#EmacsMode"> <area alt="Gri: Emacs editing mode" shape="rect" coords="557,2,573,24" href="Emacs.html"> <area alt="Gri Mode: Screenshots" shape="rect" coords="581,2,599,24" href="GriModeScreenshots.html"> </map> <map name="navigate_bottom"> <area alt="index.html#Top" shape="rect" coords="5,2,218,24" href="index.html#Top"> <area alt="Gri Mode: Screenshots" shape="rect" coords="581,2,599,24" href="GriModeScreenshots.html"></map> <h2>12.1: About Gri Mode</h2> Gri mode has all the wonderful things you've come to expect from Emacs modes. Here's a brief overview of the features: <ul> <li> It can <b>complete</b> partially typed commands, builtin variables and synonyms (`<font color="#82140F"><code>gri-complete</code></font>', `<font color="#82140F"><kbd>M-Tab</kbd></font>') and help you edit the syntax that was thus inserted for you (`<font color="#82140F"><code>gri-option-select</code></font>', `<font color="#82140F"><kbd>C-c C-o</kbd></font>'; `<font color="#82140F"><code>gri-option-kill</code></font>', `<font color="#82140F"><kbd>C-c C-k</kbd></font>'). <li> It can provide a short help synopsis concerning the command on the current line (`<font color="#82140F"><code>gri-help-this-command</code></font>', `<font color="#82140F"><kbd>C-c C-h</kbd></font>'), or load the info manual for that command (`<font color="#82140F"><code>gri-info-this-command</code></font>', `<font color="#82140F"><kbd>C-c C-i</kbd></font>'). It knows the list of all Gri commands, and can provide help or info regarding any of them (`<font color="#82140F"><code>gri-help</code></font>', `<font color="#82140F"><kbd>C-c M-h</kbd></font>'; `<font color="#82140F"><code>gri-info</code></font>', `<font color="#82140F"><kbd>C-c M-i</kbd></font>') using command name completion at the prompt (`<font color="#82140F"><kbd>Tab</kbd></font>'). <li> All Gri commands are listed in a pull-down menu from the menubar, which you can use to either enter the text of the selected command, or obtain help or info about it. <li> It can help you find an unknown command by listing all containing a given word (`<font color="#82140F"><code>gri-apropos</code></font>', `<font color="#82140F"><kbd>C-c C-a</kbd></font>'). <li> It fontifies your Gri code using colour coding. <li> It indents if statements, loops, and so on (`<font color="#82140F"><code>gri-indent-line</code></font>', `<font color="#82140F"><kbd>Tab</kbd></font>'). <li> It can let you run Gri and view its output without leaving the editor (`<font color="#82140F"><code>gri-run</code></font>', `<font color="#82140F"><kbd>C-c C-r</kbd></font>'). If an error is encountered, Emacs will rearrange the buffer so the cursor is on the bad line of the Gri command-file. <li> If you've already run Gri, and therefore have a PostScript output file, the mode will let you view that file (`<font color="#82140F"><code>gri-view</code></font>', `<font color="#82140F"><kbd>C-c C-v</kbd></font>') even if that file is compressed. </ul> <p> Thus one never has to leave Emacs; type `<font color="#82140F"><kbd>C-c C-r</kbd></font>' to run Gri, and if there is no error, the graph comes up automatically. If there was an error, gri-mode will move editing point to the line with the error and display the error message. Given that the mode can complete partially typed commands, this means a substantial saving in development time. <p> Inside gri-mode, type `<font color="#82140F"><kbd>C-h m</kbd></font>' for help on the mode, including a list of all commands and key definitions. <p> </table> <img src="./resources/bottom_banner.gif" usemap="#navigate_bottom" border="0"> </body> </html>
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