On 2-3-2015 1:39, Bit Barrel wrote:
I do a lot of CAD-like work and to work around certain missing features, I use guides a lot. The snapping system is awesome but the guides are not very flexible.
What would be a huge improvement is if it would be possible to select guides. This opens up a whole range of possibilities which extensions and internal tools can benefit from. Examples are: -Create a 3rd guide in the middle of two selected guides. -Create a 3rd guide equidistant from two other selected guides. -Select a few guides and delete them.
There is a branch that adds a guide dialog (or better: fills the Guides tab in the Document Properties dialog with more widgets), featuring a list of guides in which you can select guides to delete them, etc. https://code.launchpad.net/~inkscape.dev/inkscape/guides-improvements It is not nearly as convenient as on-canvas selecting, but it may be a workable intermediate solution, without pervasive code changes. (the three examples you mention would be doable from that dialog)
Obvious downside of such a dialog: selecting the correct guide from a list with guide name, angle, X, and Y coordinates is not nice, and it would need some visual on-canvas indicator. Perhaps being able to sort the list according to X or Y coordinate helps finding the correct guide to delete / split / etc. Still, with many guides, especially angled guides it quickly becomes troublesome I'm afraid...
The work in that branch is not completed (last time I looked, which is a while ago) and so needs further work. Perhaps you can try to contribute to that branch, as a step up to try to tackle selectable guides.
cheers, Johan