History: Forward as well as Back #32
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schaefera/utStudyBIble#32
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Delete branch "%!s()"
Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?
From phone QC of #11. Back returns to earlier places, but there is no way to go forward again, as in a browser.
Sketch: Back pushes the place it leaves onto a forward stack, Forward pops it, and a new jump clears the forward stack. Persist it like the history (the
historytable, or a sibling, saved within ~1 s, restored after a kill). A Forward button next to Back, disabled when there is nothing ahead. Note the known gap from #11:Session::backpops and re-pushes in separate transactions. Do Back and Forward in one transaction each.Trunk:
core/src/db/,core/src/worker*, the qt glue,ReadingPane.qml.