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eeshow/TODO, gui/glabel.c (hover_glabel): update TODO; explain hanging pop-ups

This commit is contained in:
Werner Almesberger 2016-08-19 06:05:42 -03:00
parent 2b80fcad45
commit b4df01a28d
2 changed files with 25 additions and 2 deletions

View File

@ -63,9 +63,8 @@ GUI/sheets:
fails (reserved hotkeys: Left/Right)
GUI/glabels:
- draw list of destinations in nicer style
- indicate current sheet (just for reference) among destinations
- maybe indicate how many times label is used on each sheet
- maybe indicate how it is used
- highlight occurrences of label on current sheet
- also highlight after jumping
- there can be "hanging" pop-ups, see comment in gui/glabel.c:hover_glabel

View File

@ -242,6 +242,30 @@ static bool hover_glabel(void *user, bool on)
ctx->pop_dy = -1;
}
/*
* @@@ The idea is to get input to trigger hovering over the pop-up.
* However, this doesn't work because the overlay has not been drawn
* yet and therefore has not created its AoI. We therefore only get a
* chance to begin hovering at the next motion update, which may
* already be outside the pop-up.
*
* Probably the only way to fix this is by making overlay_add do the
* layout calculation and create the AoI immediately.
*
* Another problem occurs as deep zoom levels, when the label is larger
* than the pop-up. Then we can trigger pop-up creation from a location
* that will be outside the pop-up.
*
* We could fix this by aligning the pop-up with the mouse position
* instead the box, either in general, or in this specific case. Not
* sure if it's worth the trouble, though.
*
* Both issues result in a "hanging" pop-up because AoI (and input)
* don't even know we're hovering. The pop-up can be cleared by
* - hovering into it,
* - hovering over some other glabel, or
* - clicking.
*/
input_update();
redraw(ctx);
return 0;