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Update texts while busy

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Pgtk didn't update text and C-g didn't take effect while it is busy.
By timer interrupts, we can call pgtk_read_socket, and update texts
and handle C-g.

* src/pgtkterm.c (start_timer): New function to start timer.
(pgtk_show_hourglass): Remove code to start timer.
(pgtk_hide_hourglass): Remove code to stop timer.
(pgtk_term_init): Call start_timer().
This commit is contained in:
Yuuki Harano 2021-05-15 22:50:06 +09:00
parent 3f8f3a9027
commit 8a649cba44
1 changed files with 24 additions and 22 deletions
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46
src/pgtkterm.c
View file

@ -3551,12 +3551,31 @@ pgtk_draw_fringe_bitmap (struct window *w, struct glyph_row *row,
}
static struct atimer *hourglass_atimer = NULL;
static int hourglass_enter_count = 0;
static void
hourglass_cb (struct atimer *timer)
{
/*NOP*/}
/*NOP*/
}
static void
start_timer (void)
{
static bool hourglass_inited = false;
/* For cursor animation, we receive signals, set pending_signals, and dispatch. */
/* This is useful for drawing text while busy, and C-g takes effect while busy. */
if (!hourglass_inited)
{
struct timespec ts = make_timespec (0, 50 * 1000 * 1000);
if (hourglass_atimer != NULL)
cancel_atimer (hourglass_atimer);
hourglass_atimer =
start_atimer (ATIMER_CONTINUOUS, ts, hourglass_cb, NULL);
hourglass_inited = true;
}
}
static void
pgtk_show_hourglass (struct frame *f)
@ -3572,32 +3591,13 @@ pgtk_show_hourglass (struct frame *f)
gdk_window_raise (gtk_widget_get_window (x->hourglass_widget));
gdk_window_set_cursor (gtk_widget_get_window (x->hourglass_widget),
x->hourglass_cursor);
/* For cursor animation, we receive signals, set pending_signals, and dispatch. */
if (hourglass_enter_count++ == 0)
{
struct timespec ts = make_timespec (0, 50 * 1000 * 1000);
if (hourglass_atimer != NULL)
cancel_atimer (hourglass_atimer);
hourglass_atimer =
start_atimer (ATIMER_CONTINUOUS, ts, hourglass_cb, NULL);
}
/* Cursor frequently stops animation. gtk's bug? */
}
static void
pgtk_hide_hourglass (struct frame *f)
{
struct pgtk_output *x = FRAME_X_OUTPUT (f);
if (--hourglass_enter_count == 0)
{
if (hourglass_atimer != NULL)
{
cancel_atimer (hourglass_atimer);
hourglass_atimer = NULL;
}
}
if (x->hourglass_widget != NULL)
{
gtk_widget_destroy (x->hourglass_widget);
@ -6995,6 +6995,8 @@ pgtk_term_init (Lisp_Object display_name, char *resource_name)
unblock_input ();
start_timer();
return dpyinfo;
}