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Fix auto-replace cursor snapback in GTK

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This commit is contained in:
deepend-tildeclub
2026-03-24 15:05:10 -06:00
parent fc90fd41be
commit d9557c7da1
1 changed files with 57 additions and 15 deletions
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64
src/fe-gtk/fkeys.c
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@@ -1888,6 +1888,20 @@ key_action_put_history (GtkWidget * wid, GdkEventKey * ent, char *d1,
return 2; return 2;
} }
static gboolean
replace_set_pos_idle (gpointer data)
{
GtkWidget *t = GTK_WIDGET (data);
gpointer pos_data = g_object_get_data (G_OBJECT (t), "zoitechat-replace-pos");
if (pos_data)
SPELL_ENTRY_SET_POS (t, GPOINTER_TO_INT (pos_data));
g_object_set_data (G_OBJECT (t), "zoitechat-replace-pos", NULL);
g_object_unref (t);
return G_SOURCE_REMOVE;
}
static void static void
replace_handle (GtkWidget *t) replace_handle (GtkWidget *t)
{ {
@@ -1903,11 +1917,12 @@ replace_handle (GtkWidget *t)
size_t match_len; size_t match_len;
ptrdiff_t cursor_byte_offset; ptrdiff_t cursor_byte_offset;
ptrdiff_t match_start_offset; ptrdiff_t match_start_offset;
ptrdiff_t match_end_offset;
ptrdiff_t new_cursor_offset; ptrdiff_t new_cursor_offset;
const char *best_match; const char *best_match;
size_t best_len; size_t best_len;
struct popup *best_pop; struct popup *best_pop;
int best_rank;
ptrdiff_t best_distance;
text = SPELL_ENTRY_GET_TEXT (t); text = SPELL_ENTRY_GET_TEXT (t);
@@ -1922,20 +1937,51 @@ replace_handle (GtkWidget *t)
best_match = NULL; best_match = NULL;
best_len = 0; best_len = 0;
best_pop = NULL; best_pop = NULL;
best_rank = 3;
best_distance = 0;
cursor_byte_offset = cursor_ptr - text;
while (list) while (list)
{ {
pop = (struct popup *) list->data; pop = (struct popup *) list->data;
if (pop->name[0] != '\0') if (pop->name[0] != '\0')
{ {
size_t pop_len = strlen (pop->name); size_t pop_len = strlen (pop->name);
const char *found = strstr (text, pop->name); const char *found = text;
if (found && (!best_match || found < best_match)) while ((found = strstr (found, pop->name)) != NULL)
{ {
ptrdiff_t found_offset = found - text;
ptrdiff_t found_end_offset = found_offset + (ptrdiff_t) pop_len;
int rank;
ptrdiff_t distance;
if (cursor_byte_offset >= found_offset && cursor_byte_offset <= found_end_offset)
{
rank = 0;
distance = found_end_offset - cursor_byte_offset;
}
else if (found_end_offset <= cursor_byte_offset)
{
rank = 1;
distance = cursor_byte_offset - found_end_offset;
}
else
{
rank = 2;
distance = found_offset - cursor_byte_offset;
}
if (rank < best_rank || (rank == best_rank && distance < best_distance))
{
best_rank = rank;
best_distance = distance;
best_match = found; best_match = found;
best_len = pop_len; best_len = pop_len;
best_pop = pop; best_pop = pop;
} }
found++;
}
} }
list = list->next; list = list->next;
} }
@@ -1952,21 +1998,17 @@ replace_handle (GtkWidget *t)
return; return;
replacement_len = strlen (pop->cmd); replacement_len = strlen (pop->cmd);
cursor_byte_offset = cursor_ptr - text;
match_start_offset = match_start - text; match_start_offset = match_start - text;
match_end_offset = match_start_offset + (ptrdiff_t) match_len;
if (cursor_byte_offset <= match_start_offset)
new_cursor_offset = cursor_byte_offset;
else if (cursor_byte_offset >= match_end_offset)
new_cursor_offset = cursor_byte_offset + ((ptrdiff_t) replacement_len - (ptrdiff_t) match_len);
else
new_cursor_offset = match_start_offset + (ptrdiff_t) replacement_len; new_cursor_offset = match_start_offset + (ptrdiff_t) replacement_len;
buf = g_string_sized_new (strlen (text) + 32); buf = g_string_sized_new (strlen (text) + 32);
g_string_append_len (buf, text, match_start - text); g_string_append_len (buf, text, match_start - text);
g_string_append (buf, pop->cmd); g_string_append (buf, pop->cmd);
g_string_append (buf, match_start + match_len); g_string_append (buf, match_start + match_len);
SPELL_ENTRY_SET_TEXT (t, buf->str); SPELL_ENTRY_SET_TEXT (t, buf->str);
SPELL_ENTRY_SET_POS (t, len_to_offset (buf->str, new_cursor_offset)); new_cursor_offset = len_to_offset (buf->str, new_cursor_offset);
SPELL_ENTRY_SET_POS (t, new_cursor_offset);
g_object_set_data (G_OBJECT (t), "zoitechat-replace-pos", GINT_TO_POINTER ((gint) new_cursor_offset));
g_idle_add (replace_set_pos_idle, g_object_ref (t));
g_string_free (buf, TRUE); g_string_free (buf, TRUE);
} }