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text: Make overwrite undo-friendly

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In overwrite mode, every typed character gets
handled as a delete+insert, but we should not
record these as two individually undoable
steps.

This matches how we handle overwrite mode in
GtkTextView.

Fixes: #4411
This commit is contained in:
Matthias Clasen 2022-10-18 23:37:03 -04:00
parent f658027c51
commit 1e5e0480fd
1 changed files with 6 additions and 0 deletions
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6
gtk/gtktext.c
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@ -4321,6 +4321,9 @@ gtk_text_enter_text (GtkText *self,
int tmp_pos;
guint text_length;
gtk_text_history_begin_user_action (priv->history);
begin_change (self);
priv->need_im_reset = FALSE;
if (priv->selection_bound != priv->current_pos)
@ -4338,6 +4341,9 @@ gtk_text_enter_text (GtkText *self,
tmp_pos = priv->current_pos;
gtk_editable_insert_text (GTK_EDITABLE (self), str, strlen (str), &tmp_pos);
gtk_text_set_selection_bounds (self, tmp_pos, tmp_pos);
end_change (self);
gtk_text_history_end_user_action (priv->history);
}
/* All changes to priv->current_pos and priv->selection_bound