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* split: add an alias for horizontal splitinwit2023-10-131-4/+4
| | | | | | | | | | To date, there are two orthogonal commands named :vsplit and :split, which create a vertical and a horizontal split, respectively. Add a :hsplit alias for the latter. Signed-Off-By: inwit <inwit@sindominio.net> Acked-by: Robin Jarry <robin@jarry.cc> Reviewed-by: Moritz Poldrack <moritz@poldrack.dev>
* app: export global functionsRobin Jarry2023-10-101-6/+6
| | | | | | | | | | | | | | | The single Aerc object is passed around in almost all command functions. This hinders readability. Store the single Aerc instance as a global variable. Export public functions from the app package to access methods of that object. Remove all explicit references to *app.Aerc and replace them with calls to these functions. For references to private/unexported fields and functions from within the app package, directly access the global aerc object. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* widgets: rename package to appRobin Jarry2023-10-101-3/+3
| | | | | | | | | This is the central point of all aerc. Having it named widgets is confusing. Rename it to app. It will make a cleaner transition when making the app.Aerc object available globally in the next commit. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* split: ensure messagestore is availableMoritz Poldrack2023-07-281-0/+4
| | | | | | | | | | Checking that a messagestore is connected, prevents crashes when aerc has disconnected or :v?split is called without delay inside the aerc-startup hook. Reported-by: Ryan Roden-Corrent <ryan@rcorre.net> Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Robin Jarry <robin@jarry.cc>
* split: refactor to prevent stuck splitsTim Culverhouse2022-12-251-6/+7
| | | | | | | | | | Refactor split logic (again...) to prevent stuck splits. Use callback from msgstore.Select to tell the split which message to display. This keeps the account from having to track displayed messages, which prevents race conditions in certain situations. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: Bence Ferdinandy <bence@ferdinandy.com>
* split: use a sensible default widthMoritz Poldrack2022-12-191-0/+8
| | | | | | | | | | | | | Guessing a width/height with v?split is rather bothersome, using a sensible value based on the user's terminal would be preferable. This also prevents confusion when running :v?split without a number seemingly does not open a split. Initialize width as half the width of the message list and height as an eight of the message list. Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Robin Jarry <robin@jarry.cc>
* split: refactor split update logicTim Culverhouse2022-12-141-3/+0
| | | | | | | | | | | | | | | | | | | | | | Refactor split update logic to more simply update the split. Through the evolution of the split logic, additional variables were stored within the account which allows for cleaner updating of the split. Compare selected UID instead of pointer to message when deciding not to update split. Allow splits to be created and closed when no message is selected. The split will be filled with a ui.Fill (blank). The user will only see a border at the split location when no message is selected. Rename clearSplit to closeSplit, as it is only used in the case when the user doesn't want a split anymore. Ensure that the selected UID is reset to the magic UID when there are no messages left in the message store. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: Bence Ferdinandy <bence@ferdinandy.com>
* split: clamp minimum split size to 1Tim Culverhouse2022-10-201-0/+4
| | | | | | | | | | | | The split command allows delta size changes, which triggers a condition where the split can overflow into the dirlist. Clamp the minimum size of a split or vsplit to "1" to prevent the view from overflowing, or completely covering the message list. A split of 0 will still clear the split. Reported-by: Koni Marti <koni.marti@gmail.com> Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* split: prevent panic when store is not setTim Culverhouse2022-10-191-0/+3
| | | | | | | | | | | | Prevent panic when split is called but the msgstore is either not initialized or has no UIDs. This condition could be triggered by calling :split or :vsplit immediately at startup. Use the same logic as the :view command, which could operate in a similar manner. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* split: prevent opening split when no messages are selectedTim Culverhouse2022-10-191-4/+2
| | | | | | | | | The [v]split command panics when it is run with no message selected, or when messages aren't loaded. Check for a valid selected message before creating a split, and report an error if one isn't selected. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* ui: add :split and :vsplit view optionsTim Culverhouse2022-10-181-0/+63
Add :split and :vsplit commands, which split the message list view to include a message viewer. Each command takes an int, or a delta value ("+1", "-1"). The int value is the resulting size of the message list, and a new message viewer will be displayed below / to the right of the message list. This viewer *does not* set seen flags. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>