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text: Delete selection when preedit starts

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This prevents confusing misrendering when the preedit text
pushes the selection text out of the rendered selection.

Fixes: #1123
This commit is contained in:
Matthias Clasen 2021-03-04 14:49:14 -05:00
parent feccdad9d2
commit 447203ce52
1 changed files with 11 additions and 0 deletions
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11
gtk/gtktext.c
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@ -418,6 +418,8 @@ static void direction_changed (GdkDevice *keyboard,
static void gtk_text_commit_cb (GtkIMContext *context, static void gtk_text_commit_cb (GtkIMContext *context,
const char *str, const char *str,
GtkText *self); GtkText *self);
static void gtk_text_preedit_start_cb (GtkIMContext *context,
GtkText *self);
static void gtk_text_preedit_changed_cb (GtkIMContext *context, static void gtk_text_preedit_changed_cb (GtkIMContext *context,
GtkText *self); GtkText *self);
static gboolean gtk_text_retrieve_surrounding_cb (GtkIMContext *context, static gboolean gtk_text_retrieve_surrounding_cb (GtkIMContext *context,
@ -1843,6 +1845,8 @@ gtk_text_init (GtkText *self)
*/ */
priv->im_context = gtk_im_multicontext_new (); priv->im_context = gtk_im_multicontext_new ();
g_signal_connect (priv->im_context, "preedit-start",
G_CALLBACK (gtk_text_preedit_start_cb), self);
g_signal_connect (priv->im_context, "commit", g_signal_connect (priv->im_context, "commit",
G_CALLBACK (gtk_text_commit_cb), self); G_CALLBACK (gtk_text_commit_cb), self);
g_signal_connect (priv->im_context, "preedit-changed", g_signal_connect (priv->im_context, "preedit-changed",
@ -4150,6 +4154,13 @@ direction_changed (GdkDevice *device,
/* IM Context Callbacks /* IM Context Callbacks
*/ */
static void
gtk_text_preedit_start_cb (GtkIMContext *context,
GtkText *self)
{
gtk_text_delete_selection (self);
}
static void static void
gtk_text_commit_cb (GtkIMContext *context, gtk_text_commit_cb (GtkIMContext *context,
const char *str, const char *str,