Maybe this PR is of interest to you: https://github.com/darktable-org/darktable/pull/6830
On Thu, 5 Nov 2020 at 07:57, Jaume Aragay Badia <jaumeara...@gmail.com> wrote: > Hi there! :) > > I'm new here. I come from using LightRoom and I use a MIDI controller to > adjust levels with it's sliders and trigger actions with it's buttons... I > wanted to do the same with DT. > > With the mac there I use the MIDI2LR program by rsjaffe. It has a screen > where it shows which event the controller is activating (which key or > slider you are interacting with) and then you have a list of available > actions to be linked. Then you store the pairings list and install a plugin > in LR to interact with the external program. It's really easy to use and > you can keep different pairings for different file types if needed. I don't > know how it works internally, but it's really pleasing to use. > > I see there are similar projects for GIMP (which has a MIDI input entirely > developed) and others programs do too. > > I think it would really make DT a viable alternative to LR having this > external interface implemented. Needed? Of course not but, once > implemented, it would attract new users for sure! ;) > > I've found a way to capture and deal with the controller's events, now I'd > have to map them with available actions on DT. But I haven't found anywhere > these available actions listed. > > There would be two different action types: "Adjust X level to Y" and "Set > X to Y". An example would be: "Adjust brightness to the dialed level (0/127 > or 0/255 or any number of available levels)". and "Set White Balance to > AUTO". > > Theses are the questions I have: > > 1.- Is there any direct API to deal with the actions to be done? Like > setBrightness(x) or setWhiteBalance(x). > > I see in the manual we have the "accels" to interact with some of the > actions I try to deal with... > > 2.- Do we have to be in the specific view for the accels to work or do we > first have to move to that specific view using the "change view to X" > accel? Is there any accessible var to see what view are we in > programmatically? Something like getActualView(). > > 3.- Are the Actions listed on those pages all the ones that are available > in the program? Is there any list of all the available actions? Is there > any way to define new actions? > > 4.- What are the available ways to "interact" with these actions? How does > the program deal with the buttons being pushed or dials / sliders values > being modified? > > > *TL;DR* > How to link the MIDI events to the program actions? API, accels, other > ways? Does it have to be coded in LUA or are there other langs available to > interact besides simulating the key strokes programmatically? Are there any > state vars accessible from the external program to know actual values like > the actual view or the actual white balance type? Something like getView() > or getWhiteBalance(). > > For example: How does the program deal with the "darkroom" -> "basic > group" -> "basic adjustments" -> "exposure" slider value when adjusting it? > Is there a setExposure(x) API call? Or how do we get the actual value for > it to use it in conditional actions? If getExposure() > n then X else Y. > > TIA, > > > Jaume. > > > > ___________________________________________________________________________ > darktable developer mailing list to unsubscribe send a mail to > darktable-dev+unsubscr...@lists.darktable.org > ___________________________________________________________________________ darktable developer mailing list to unsubscribe send a mail to darktable-dev+unsubscr...@lists.darktable.org
