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textview: Use device timestamps for obscured cursors

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Stash away the device timestamp when obscuring
the pointer, and compare it when we decice whether
to unobscure it. This fixes a problem where synthetic
motion events would make the cursor reappear
prematurely.

Fixes: #3792
This commit is contained in:
Matthias Clasen 2021-03-25 22:42:10 -04:00
parent cdfdf031b5
commit 019855a27f
1 changed files with 23 additions and 1 deletions
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24
gtk/gtktextview.c
View File

@ -259,8 +259,12 @@ struct _GtkTextViewPrivate
int bottom_padding;
int indent;
guint32 obscured_cursor_timestamp;
gint64 handle_place_time;
PangoTabArray *tabs;
guint editable : 1;
guint overwrite_mode : 1;
@ -5048,18 +5052,36 @@ gtk_text_view_state_flags_changed (GtkWidget *widget,
static void
gtk_text_view_obscure_mouse_cursor (GtkTextView *text_view)
{
GdkDisplay *display;
GdkSeat *seat;
GdkDevice *device;
if (text_view->priv->mouse_cursor_obscured)
return;
gtk_widget_set_cursor_from_name (GTK_WIDGET (text_view), "none");
display = gtk_widget_get_display (GTK_WIDGET (text_view));
seat = gdk_display_get_default_seat (display);
device = gdk_seat_get_pointer (seat);
text_view->priv->obscured_cursor_timestamp = gdk_device_get_timestamp (device);
text_view->priv->mouse_cursor_obscured = TRUE;
}
static void
gtk_text_view_unobscure_mouse_cursor (GtkTextView *text_view)
{
if (text_view->priv->mouse_cursor_obscured)
GdkDisplay *display;
GdkSeat *seat;
GdkDevice *device;
display = gtk_widget_get_display (GTK_WIDGET (text_view));
seat = gdk_display_get_default_seat (display);
device = gdk_seat_get_pointer (seat);
if (text_view->priv->mouse_cursor_obscured &&
gdk_device_get_timestamp (device) != text_view->priv->obscured_cursor_timestamp)
{
gtk_widget_set_cursor_from_name (GTK_WIDGET (text_view), "text");
text_view->priv->mouse_cursor_obscured = FALSE;