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input: pointer-enter: add comment describing what we're doing

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Daniel Eklöf 2020-08-08 10:07:25 +02:00
parent 7497e44826
commit a3d5626256
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1 changed files with 6 additions and 0 deletions
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input.c
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@ -1048,6 +1048,12 @@ wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
switch ((term->active_surface = term_surface_kind(term, surface))) {
case TERM_SURF_GRID: {
/*
* Translate x,y pixel coordinate to a cell coordinate, or -1
* if the cursor is outside the grid. I.e. if it is inside the
* margins.
*/
if (x < term->margins.left || x >= term->width - term->margins.right)
seat->mouse.col = -1;
else