kicad-developers team mailing list archive

[Arun Kumar <arunkumar413@xxxxxxxxx>]

I'm working on a Web based open source schematic editor. So want to borrow
some techniques from kicad.

On Thu 3 Aug, 2017, 7:25 PM Wayne Stambaugh, <stambaughw@xxxxxxxxx> wrote:

> C++ is a prerequisite for working on KiCad.  I doubt anyone will have
> the time to generate psuedo code for you.
>
> On 8/3/2017 8:31 AM, Arun Kumar wrote:
> > I'm not familiar with C++. May be a pseudo code would be of great help.
> >
> >
> > On Thu 3 Aug, 2017, 5:15 PM Wayne Stambaugh, <stambaughw@xxxxxxxxx
> > <mailto:stambaughw@xxxxxxxxx>> wrote:
> >
> >     On 8/3/2017 3:54 AM, Simon Richter wrote:
> >     > Hi,
> >     >
> >     > On 03.08.2017 07:09, Arun Kumar wrote:
> >     >
> >     >> Could you please let me know the wiring logic used in kicad. Like
> how
> >     >> the wire is drawn uisng mouse movement and clicks.
> >     >
> >     > The first click starts a wire, which already has two segments, one
> >     > horizontal, one vertical, with the first segment being the longer
> one
> >     > initially.
> >     >
> >     > Moving the mouse then adjusts the length of both at once. If the
> first
> >     > segment disappears, they switch places (so if you start horizontal
> and
> >     > pass through the point over the beginning, the vertical segment
> >     becomes
> >     > first).
> >     >
> >     > Clicking fixes the point between the two segments currently being
> >     > edited, and adds another segment at the end, which then has to be
> at a
> >     > 90 degree angle.
> >     >
> >     > Clicking on a connection point (end of another wire or end of a
> >     > component pin) ends the wire. If you want to end the current wire
> >     > without connecting anywhere, double-click.
> >     >
> >     >> Also the wiring is rerouted when the components are move around.
> >     Could
> >     >> you please explain the under lying logic and algorithm. If
> possible
> >     >> please guide me to the relevant code of kicad.
> >
> >     The wire drawing code is in eeschema/bus-wire-junction.cpp and the
> >     move/drag code is in eeschema/block.cpp.
> >
> >     >
> >     > When you move a component ('m' key), nothing else moves. When you
> >     grab a
> >     > component ('g' key), all wires that are already connected remain
> >     > connected, and the last segment that connects to the component is
> >     adjusted.
> >     >
> >     >    Simon
> >     >
> >     >
> >     >
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