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render: delay TIOCSWINSZ while doing an interactive resize

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Instead of disabling content centering, delay the TIOCSWINSZ (a.k.a
delay sending the new dimensions to the client) by a small amount
while doing an interactive resize.

Non-interactive resizes are still immediate.

For now, force a resize when the user stops the interactive
resize. This ensures the client application receives the new
dimensions immediately.

It still works without the last, forced, resize, but there typically
be a small delay until the client application receives the final
dimensions.

Closes #301
Closes #283
This commit is contained in:
Daniel Eklöf 2021-01-17 16:12:54 +01:00
parent 6876ab6bc2
commit 9a1df7bb03
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GPG key ID: 5BBD4992C116573F
5 changed files with 126 additions and 12 deletions
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17
wayland.c
View file

@ -677,9 +677,22 @@ xdg_surface_configure(void *data, struct xdg_surface *xdg_surface,
term->window->frame_callback = NULL;
}
#if 1
/*
* TODO: decide if we should to the last “forced” call when ending
* an interactive resize.
*
* Without it, the last TIOCSWINSZ sent to the client will be a
* scheduled one. I.e. there will be a small delay after the user
* has *stopped* resizing, and the client application receives the
* final size.
*/
bool resized = was_resizing && !win->is_resizing
? render_resize_force(term, win->configure.width, win->configure.height)
: render_resize(term, win->configure.width, win->configure.height);
#else
bool resized = render_resize(term, win->configure.width, win->configure.height);
#endif
if (win->configure.is_activated)
term_visual_focus_in(term);
@ -1278,6 +1291,7 @@ wayl_win_init(struct terminal *term)
win->term = term;
win->use_csd = CSD_UNKNOWN;
win->csd.move_timeout_fd = -1;
win->resize_timeout_fd = -1;
win->surface = wl_compositor_create_surface(wayl->compositor);
if (win->surface == NULL) {
@ -1430,6 +1444,9 @@ wayl_win_destroy(struct wl_window *win)
wl_surface_destroy(win->surface);
wayl_roundtrip(win->term->wl);
if (win->resize_timeout_fd >= 0)
fdm_del(win->term->wl->fdm, win->resize_timeout_fd);
free(win);
}