This change completely removes the LIB_ALIAS design pattern an replaces
it by allowing LIB_PART objects to inherit from other LIB_PART objects.
The initial implementation only allows for single inheritance and only
supports the mandatory fields in the derived part because that is all
that the current symbol library file format will support. Once the new
file format is implemented and saving to the old file format is deprecated,
more complex inheritance will be added. The LIB_ALIAS information saved
in the document files was move into the LIB_PART object. This change
impacts virtually every part of the schematic and symbol library editor
code so this commit message is woefully incomplete.
REMOVE: Removed the symbol aliases concept from the schematic and symbol
editors and the symbol viewer.
NEW: Replace the symbol alias concept with simple inheritance that allows
a library symbol to be derived from another library symbol.
The break wire command will break all wires at a point. If there are
multiple crossing wires, we need to check to see if a junction might be
required to reflect the new connection.
Fixes: lp:1848450
* https://bugs.launchpad.net/kicad/+bug/1848450
1) When sheet pins are on 3 or more sides there's no point in switching
the orientation to vertical.
2) Careful that we don't cause the sheet to walk when rotating and the
sheet-name or file-name is longer than the side it's on.
Fixes: lp:1841714
* https://bugs.launchpad.net/kicad/+bug/1841714
They're now used for bus definition control characters.
Also fixes the sheet pin edit dialog to correctly escape/unescape
netnames.
Fixes: lp:1840834
* https://bugs.launchpad.net/kicad/+bug/1840834
Because the pickers are called with an Activate()/Wait() pair, any
usurping tool gets in between the picker handling the cancel (due
to activation) and the picker client doing a PopTool(). The new
tool is therefore pushed before the old tool is popped.
Fixes: lp:1835907
* https://bugs.launchpad.net/kicad/+bug/1835907
We were running into various corner conditions where a tool's event
loop would exit while the tool was still active, or the tool would
get popped while we were still in the event loop. (A lot of these
had to do with the POINT_EDITOR's, but not all of them.)
The new architecture:
1) tools always do a Push()/Pop()
2) everyone is responsible for their own pops; no more stack-clearing
on a cancel
3) CancelInteractive events go to all tools to facilitate (2)
It's a bit of a hack because they're statically initialized and
so we can't make use of the _() macro. We do still want it in the
code, however, because the string harvesting is based off of it.
Fixes: lp:1833000
* https://bugs.launchpad.net/kicad/+bug/1833000