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Fix some character width counting

This commit is contained in:
Přemysl Eric Janouch 2016-10-22 23:38:00 +02:00
parent fc395d4068
commit 77918d8a8c
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 33 additions and 26 deletions
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59
src/sdtui.c
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@ -238,6 +238,30 @@ struct application
/// Shortcut to retrieve named terminal attributes
#define APP_ATTR(name) self->attrs[ATTRIBUTE_ ## name].attrs
/// Returns if the Unicode character is representable in the current locale.
static gboolean
app_is_character_in_locale (Application *self, gunichar ch)
{
// Avoid the overhead joined with calling iconv() for all characters
if (self->locale_is_utf8)
return TRUE;
gchar *tmp = g_convert_with_iconv ((const gchar *) &ch, sizeof ch,
self->ucs4_to_locale, NULL, NULL, NULL);
if (!tmp)
return FALSE;
g_free (tmp);
return TRUE;
}
static gsize
app_char_width (Application *app, gunichar c)
{
if (!app_is_character_in_locale (app, c))
return 1;
return unichar_width (c);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
/// Splits the entry and adds it to a pointer array.
@ -321,7 +345,7 @@ view_entry_free (ViewEntry *ve)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static gboolean
dictionary_load (Dictionary *self, GError **e)
dictionary_load (Dictionary *self, Application *app, GError **e)
{
if (!(self->dict = stardict_dict_new (self->filename, e)))
return FALSE;
@ -339,7 +363,7 @@ dictionary_load (Dictionary *self, GError **e)
gunichar *ucs4 = g_utf8_to_ucs4_fast (self->name, -1, NULL);
for (gunichar *it = ucs4; *it; it++)
self->name_width += unichar_width (*it);
self->name_width += app_char_width (app, *it);
g_free (ucs4);
return TRUE;
}
@ -530,7 +554,7 @@ app_load_dictionaries (Application *self, GError **e)
{
for (guint i = 0; i < self->dictionaries->len; i++)
if (!dictionary_load (&g_array_index (self->dictionaries,
Dictionary, i), e))
Dictionary, i), self, e))
return FALSE;
return TRUE;
}
@ -548,8 +572,8 @@ app_load_worker (gpointer data, gpointer user_data)
{
struct load_ctx *ctx = user_data;
GError *e = NULL;
dictionary_load (&g_array_index
(ctx->self->dictionaries, Dictionary, GPOINTER_TO_UINT (data) - 1), &e);
dictionary_load (&g_array_index (ctx->self->dictionaries, Dictionary,
GPOINTER_TO_UINT (data) - 1), ctx->self, &e);
if (e)
g_async_queue_push (ctx->error_queue, e);
}
@ -758,22 +782,6 @@ app_quit (Application *self)
#endif // WITH_GTK
}
/// Returns if the Unicode character is representable in the current locale.
static gboolean
app_is_character_in_locale (Application *self, gunichar ch)
{
// Avoid the overhead joined with calling iconv() for all characters
if (self->locale_is_utf8)
return TRUE;
gchar *tmp = g_convert_with_iconv ((const gchar *) &ch, sizeof ch,
self->ucs4_to_locale, NULL, NULL, NULL);
if (!tmp)
return FALSE;
g_free (tmp);
return TRUE;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Necessary abstraction to simplify aligned, formatted character output
@ -954,8 +962,8 @@ app_redraw_top (Application *self)
guint offset, i;
for (offset = i = 0; i < self->input_pos; i++)
// FIXME: this may be inconsistent with RowBuffer (locale)
offset += unichar_width (g_array_index (self->input, gunichar, i));
offset += app_char_width (self,
g_array_index (self->input, gunichar, i));
move (1, MIN ((gint) (indent + offset), COLS - 1));
refresh ();
@ -1744,9 +1752,8 @@ app_process_left_mouse_click (Application *self, int line, int column)
guint offset, i;
for (offset = i = 0; i < self->input->len; i++)
{
// FIXME: this may be inconsistent with RowBuffer (locale)
size_t width = unichar_width
(g_array_index (self->input, gunichar, i));
size_t width = app_char_width
(self, g_array_index (self->input, gunichar, i));
if ((offset += width) > (guint) pos)
break;
}