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Re: [PATCH] Add live footprint filtering in modview window

 

Oliver,

I tested your footprint filtering patch set last night and it didn't go
very well.  The very first letter I typed ('r') in the filter control
caused kicad to crash so it's not ready just yet.

Cheers,

Wayne

On 11/20/2017 06:57 PM, Oliver Walters wrote:
> Wayne,
> 
> Friendly bump in case this has been forgotten - this thread has wandered
> around a fair bit. Patches 0001 through 0008 are in the email above.
> 
> Thanks
> 
> On Fri, Nov 17, 2017 at 11:05 PM, Oliver Walters
> <oliver.henry.walters@xxxxxxxxx <mailto:oliver.henry.walters@xxxxxxxxx>>
> wrote:
> 
>     Wayne,
> 
>     Please ignore the previous patch sets. I have made further tweaks
>     and the attached patch set 0001 through 0008 should be considered
>     canonical.
>     .
>     I have fixed a couple of pointer errors, and have also dropped the
>     filter-by-library functionality. It was a bit hooky and I'd rather
>     submit a solid functional set of patches and don't have time to
>     investigate further.
> 
>     I hope that the attached patch set meets your standards and can be
>     merged as-is :)
> 
>     Thanks!
> 
>     On Wed, Nov 1, 2017 at 11:21 AM, Wayne Stambaugh
>     <stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>> wrote:
> 
>         On 10/31/2017 5:01 PM, Oliver Walters wrote:
>         > How should I proceed here then?
>         >
>         > I would like to see the various libraries being "cached" in the
>         > background, but this is increasing the scope of the work by a large factor.
>         >
>         > One thing I have noticed:
>         >
>         > In eeschema when you launch the component viewer, it (on first run) maps
>         > and caches all the footprint libraries. This can take AGES (especially
>         > on Windows). However on subsequent launches of the component viewer it
>         > appears instantly. It appears to be keeping a static map of the
>         > footprint library data.
>         >
>         > a) Would this be an acceptable approach for the footprint viewer window
> 
>         Sure.  Code reuse is a good thing.  I'm pretty sure the threaded
>         footprint library code is split out from the component chooser so it
>         should be reusable.
> 
>         > b) What happens when the library data changes externally? Does component
>         > viewer need to be reloaded?
> 
>         No, only the library that changed gets reloaded the next time it's
>         accessed.  It is not automatic.  I thought about using
>         wxFileWatcher but
>         that could be a lot of overhead for little net gain.  See the
>         pcb plugin
>         cache() functions.
> 
>         > c) Can we globally perform this caching in a background thread when
>         > KiCad launches? This will hide the large pauses (up to a minute under
>         > Windows) from the user...
> 
>         Yes, this should be done as a project element so that it can be
>         accessed
>         from all of the main windows.  Please keep in mind, this could
>         be a lot
>         of work and given that we are nearing a stable 5 release feature
>         freeze,
>         so if it's not by then it will not make it into the stable 5
>         release.
> 
>         >
>         > Oliver
>         >
>         > On Tue, Oct 31, 2017 at 11:32 PM, Wayne Stambaugh <stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>
>         > <mailto:stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>>> wrote:
>         >
>         >     On 10/31/2017 1:25 AM, Oliver Walters wrote:
>         >     > Hmm, I had thought that there was a way to load only the *names* of
>         >     > footprints, rather than individually parsing each footprint file. It
>         >     > appears that this is not the case. Any suggestions on how the speed
>         >     > could be improved? Currently I'm reading out all the footprint names in
>         >     > each footprint library and only storing the names (wxString) rather than
>         >     > the MODULE* objects. However, I still have to parse the entire library
>         >     > on load.
>         >     >
>         >     > Ideally, I think it would be good to just read in the names, and then
>         >     > load and display individual MODULE objects on demand.. Is this possible?
>         >
>         >     This is possible (although not implemented) for library types (kicad,
>         >     geda) that use one file per footprint.  You could just read the file
>         >     names from the folder and load the files as required.  If you want to
>         >     search any other properties of the footprint, then you will have to load
>         >     all of the footprints anyway.  I don't know if this would be worth the
>         >     effort.
>         >
>         >     For library types that contain multiple footprints per file (legacy,
>         >     Eagle), this wouldn't make much sense.  Parsing the entire file just to
>         >     pick out the footprint names probably isn't going to save you very much
>         >     time.
>         >
>         >     >
>         >     > On Tue, Oct 31, 2017 at 10:40 AM, Wayne Stambaugh <stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>
>         <mailto:stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>>
>         >     > <mailto:stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>
>         <mailto:stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>>>> wrote:
>         >     >
>         >     >     On 10/30/2017 5:23 PM, Oliver Walters wrote:
>         >     >     > Thanks for the suggestions on fixing the text. I
>         have that sorted. 
>         >     >     >
>         >     >     > I will look into different ways of caching
>         footprint data so it is quicker. 
>         >     >     >
>         >     >     > Wayne, I didn't know about FOOTPRINT_FILTER I will
>         switch to using that
>         >     >     > instead (and provide regex search).
>         >     >
>         >     >     Thanks Oliver!
>         >     >
>         >     >     >
>         >     >     > On 31 Oct 2017 06:55, "Seth Hillbrand"
>         <seth.hillbrand@xxxxxxxxx <mailto:seth.hillbrand@xxxxxxxxx>
>         <mailto:seth.hillbrand@xxxxxxxxx <mailto:seth.hillbrand@xxxxxxxxx>>
>         >     <mailto:seth.hillbrand@xxxxxxxxx
>         <mailto:seth.hillbrand@xxxxxxxxx>
>         <mailto:seth.hillbrand@xxxxxxxxx <mailto:seth.hillbrand@xxxxxxxxx>>>
>         >     >     > <mailto:seth.hillbrand@xxxxxxxxx
>         <mailto:seth.hillbrand@xxxxxxxxx>
>         <mailto:seth.hillbrand@xxxxxxxxx <mailto:seth.hillbrand@xxxxxxxxx>>
>         >     <mailto:seth.hillbrand@xxxxxxxxx
>         <mailto:seth.hillbrand@xxxxxxxxx>
>         >     <mailto:seth.hillbrand@xxxxxxxxx
>         <mailto:seth.hillbrand@xxxxxxxxx>>>>> wrote:
>         >     >     >
>         >     >     >     On Mon, Oct 30, 2017 at 11:42 AM, Wayne Stambaugh
>         >     >     >     <stambaughw@xxxxxxxxx
>         <mailto:stambaughw@xxxxxxxxx> <mailto:stambaughw@xxxxxxxxx
>         <mailto:stambaughw@xxxxxxxxx>>
>         >     <mailto:stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>
>         <mailto:stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>>>
>         >     >     <mailto:stambaughw@xxxxxxxxx
>         <mailto:stambaughw@xxxxxxxxx> <mailto:stambaughw@xxxxxxxxx
>         <mailto:stambaughw@xxxxxxxxx>>
>         >     <mailto:stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>
>         <mailto:stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>>>>>wrote:
>         >     >     >
>         >     >     >         On 10/30/2017 1:16 PM, Seth Hillbrand wrote:
>         >     >     >         > Oliver, this is neat and very helpful.
>         >     >     >         >
>         >     >     >         > The greyed-out thing is a wx2.8 bug. 
>         You can work
>         >     >     around it by setting
>         >     >     >         > the foreground color when updating the
>         filter like
>         >     this:
>         >     >     >         >  
>         >     >     >         >  void
>         FOOTPRINT_VIEWER_FRAME::OnFilterUpdated(
>         >     >     wxCommandEvent& event )
>         >     >     >         >  {
>         >     >     >         > +    // Workaround wx2.8 bug showing
>         greyed color
>         >     >     >         > +    if( m_searchBox->GetValue() !=
>         >     >     m_searchBox->GetDescriptiveText() )
>         >     >     >         > +        m_searchBox->SetForegroundColour(
>         >     >     >         > m_searchBox->GetDefaultAttributes().colFg );
>         >     >     >         > +
>         >     >     >         >      // Filter is non case sensitive
>         >     >     >         >      wxString filter =
>         >     m_searchBox->GetValue().Lower();
>         >     >     >         >
>         >     >     >         > The searchbox handles resetting it to
>         grey on idle()
>         >     >     when the text is empty.
>         >     >     >
>         >     >     >         Don't you mean wx 3.0?  CMake should not even
>         >     generate the
>         >     >     build
>         >     >     >         configuration files without wx 3.0 or greater.
>         >     >     >
>         >     >     >
>         >     >     >     Hmm... This was an issue back in 2.8 that
>         appears to be only
>         >     >     partly
>         >     >     >     fixed.  The workaround I suggest above is
>         functional
>         >     but, for
>         >     >     this,
>         >     >     >     we can also execute a cleaner fix by setting
>         the descriptive
>         >     >     text in
>         >     >     >     the declaration:
>         >     >     >
>         >     >     >     @@ -67,9 +67,10 @@ void
>         >     FOOTPRINT_VIEWER_FRAME::ReCreateHToolbar()
>         >     >     >                                      KiBitmap(
>         module_xpm ),
>         >     >     >                                      _( "Select
>         footprint to
>         >     >     browse" ) );
>         >     >     >      
>         >     >     >     -        m_searchBox = new wxSearchCtrl(
>         m_mainToolBar,
>         >     >     >     ID_MODVIEW_SEARCH_TEXT );
>         >     >     >     +        m_searchBox = new wxSearchCtrl(
>         m_mainToolBar,
>         >     >     >     ID_MODVIEW_SEARCH_TEXT,
>         >     >     >     +                _( "Enter filter string" ) );
>         >     >     >              m_searchBox->SetMinSize( wxSize( 250,
>         30 ) );
>         >     >     >     -        m_searchBox->SetDescriptiveText( _(
>         "Enter filter
>         >     >     string" ) );
>         >     >     >
>         >     >     >
>         >     >     >
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