[gtk/im-context-event-leak] imcontext: Eat key events during preedit
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/im-context-event-leak] imcontext: Eat key events during preedit
- Date: Thu, 15 Apr 2021 21:01:27 +0000 (UTC)
commit 20fb64704df2b4218d4d04e80b143f5daf1d3f77
Author: Matthias Clasen <mclasen redhat com>
Date: Thu Apr 15 16:59:02 2021 -0400
imcontext: Eat key events during preedit
Avoid passing through random key press or release
events while we are showing preedit. That prevents
'accidents' like typing Ctrl-. bringing up the
Emoji chooser during preedit, or hitting Ctrl-a
after the Compose key moving the 'dot' around in
vim in terminals.
gtk/gtkimcontextsimple.c | 29 ++++++++++++++++++++++-------
1 file changed, 22 insertions(+), 7 deletions(-)
---
diff --git a/gtk/gtkimcontextsimple.c b/gtk/gtkimcontextsimple.c
index 71044294e5..a3a2c54c8f 100644
--- a/gtk/gtkimcontextsimple.c
+++ b/gtk/gtkimcontextsimple.c
@@ -761,13 +761,21 @@ gtk_im_context_simple_filter_keypress (GtkIMContext *context,
}
}
+ if (priv->in_hex_sequence || priv->in_compose_sequence)
+ return TRUE; /* Don't leak random key events during preedit */
+
return FALSE;
}
/* Ignore modifier key presses */
for (i = 0; i < G_N_ELEMENTS (gtk_compose_ignore); i++)
if (keyval == gtk_compose_ignore[i])
- return FALSE;
+ {
+ if (priv->in_hex_sequence || priv->in_compose_sequence)
+ return TRUE; /* Don't leak random key events during preedit */
+
+ return FALSE;
+ }
hex_mod_mask = GDK_CONTROL_MASK|GDK_SHIFT_MASK;
@@ -802,16 +810,23 @@ gtk_im_context_simple_filter_keypress (GtkIMContext *context,
no_text_input_mask = GDK_ALT_MASK|GDK_CONTROL_MASK;
- if (state & no_text_input_mask ||
- (priv->in_hex_sequence && priv->modifiers_dropped &&
- (keyval == GDK_KEY_Return ||
- keyval == GDK_KEY_ISO_Enter ||
- keyval == GDK_KEY_KP_Enter)))
+ if (priv->in_hex_sequence && priv->modifiers_dropped &&
+ (keyval == GDK_KEY_Return ||
+ keyval == GDK_KEY_ISO_Enter ||
+ keyval == GDK_KEY_KP_Enter))
{
return FALSE;
}
+
+ if (state & no_text_input_mask)
+ {
+ if (priv->in_hex_sequence || priv->in_compose_sequence)
+ return TRUE; /* Don't leak random key events during preedit */
+
+ return FALSE;
+ }
}
-
+
/* Handle backspace */
if (priv->in_hex_sequence && have_hex_mods && is_backspace)
{
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