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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title> pcb-rnd user manual </title>
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<h2> Stroke plugin </h2>
<h3> Gestures </h3>
<p>
The stroke plugin uses libstroke to recognize mouse gestures. By the
default menu config gestures are recognized while the right mouse button
is pressed and the mouse is moved. If no movement happened between press
and release or the gesture is not recognized, the context menu is open.
<p>
What gestures are recognized and what actions are executed for them are
all configured in stroke.conf. The default configuration coming with the
plugin defines the gestures listed in the table below. Please note: it is
important to start the gesture at the specific point relative to the
subsequent coordinates of the gesture; for example the rotation gestures
always need to start at the bottom.
<p>
<table border=1>
<tr><th> gesture drawing <th> action taken
<tr><td> <img src="line.svg"> <td> switch to line drawing mode
<tr><td> <img src="arrow.svg"> <td> switch to arrow mode
<tr><td> <img src="stopline.svg"> <td> stop drawing a line, polygon contour or polygon hole
<tr><td> <img src="via.svg"> <td> switch to via placing mode
<tr><td> <img src="rotcw.svg"> <td> rotate the object under the cursor 90 degrees clock-wise
<tr><td> <img src="rotccw.svg"> <td> rotate the object under the cursor 90 degrees counter-clock-wise
<tr><td> <img src="undo.svg"> <td> undo an operation
<tr><td> <img src="redo.svg"> <td> redo an operation
<tr><td> <img src="zoom_ext.svg"> <td> zoom to extent (all-board view)
<tr><td> <img src="zoom_in.svg"> <td> zoom in to the area between the endpoints of the gesture
</table>
<h3> Configuration </h3>
<p>
The stroke plugin is compiled only if (the development package of)
libstroke is installed. Any gesture recognition takes place only if
editor/enable_stroke is set to true (e.g. "1").
<p>
The gestures are configured as an ordered list of
<i>dial-pad-sequence={pcb-rnd-actions}</i> under plugins/stroke/gestures.
Only the first match is executed; this allows the user to override default
gestures from user or project or design config.
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