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sdtui: measure the "search" prompt properly

This commit is contained in:
Přemysl Eric Janouch 2022-09-24 18:42:30 +02:00
parent e28e576fdb
commit 0570a4d050
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 24 additions and 18 deletions
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42
src/sdtui.c
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@ -166,6 +166,7 @@ struct application
GPtrArray * entries; ///< ViewEntry-s within the view GPtrArray * entries; ///< ViewEntry-s within the view
gchar * search_label; ///< Text of the "Search" label gchar * search_label; ///< Text of the "Search" label
gsize search_label_width; ///< Visible width of "search_label"
GArray * input; ///< The current search input GArray * input; ///< The current search input
guint input_pos; ///< Cursor position within input guint input_pos; ///< Cursor position within input
guint input_offset; ///< Render offset in codepoints guint input_offset; ///< Render offset in codepoints
@ -486,6 +487,17 @@ app_init_attrs (Application *self)
#undef XX #undef XX
} }
static gsize
app_utf8_width (Application *self, const char *utf8)
{
gsize width = 0;
gunichar *ucs4 = g_utf8_to_ucs4_fast (utf8, -1, NULL);
for (gunichar *it = ucs4; *it; it++)
width += app_char_width (self, *it);
g_free (ucs4);
return width;
}
static gboolean static gboolean
app_load_dictionaries (Application *self, GError **e) app_load_dictionaries (Application *self, GError **e)
{ {
@ -500,11 +512,7 @@ app_load_dictionaries (Application *self, GError **e)
gchar *tmp = g_strdup_printf (" %s ", dict->super.name); gchar *tmp = g_strdup_printf (" %s ", dict->super.name);
g_free (dict->super.name); g_free (dict->super.name);
dict->super.name = tmp; dict->super.name = tmp;
dict->name_width = app_utf8_width (self, dict->super.name);
gunichar *ucs4 = g_utf8_to_ucs4_fast (dict->super.name, -1, NULL);
for (gunichar *it = ucs4; *it; it++)
dict->name_width += app_char_width (self, *it);
g_free (ucs4);
} }
return TRUE; return TRUE;
} }
@ -520,6 +528,15 @@ app_init (Application *self, char **filenames)
self->tk = NULL; self->tk = NULL;
self->tk_timer = 0; self->tk_timer = 0;
const char *charset = NULL;
self->locale_is_utf8 = g_get_charset (&charset);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
self->ucs4_to_locale = g_iconv_open (charset, "UTF-32LE");
#else // G_BYTE_ORDER != G_LITTLE_ENDIAN
self->ucs4_to_locale = g_iconv_open (charset, "UTF-32BE");
#endif // G_BYTE_ORDER != G_LITTLE_ENDIAN
self->focused = TRUE;
self->show_help = TRUE; self->show_help = TRUE;
self->center_search = TRUE; self->center_search = TRUE;
self->underline_last = TRUE; self->underline_last = TRUE;
@ -533,6 +550,7 @@ app_init (Application *self, char **filenames)
((GDestroyNotify) view_entry_free); ((GDestroyNotify) view_entry_free);
self->search_label = g_strdup_printf ("%s: ", _("Search")); self->search_label = g_strdup_printf ("%s: ", _("Search"));
self->search_label_width = app_utf8_width (self, self->search_label);
self->input = g_array_new (TRUE, FALSE, sizeof (gunichar)); self->input = g_array_new (TRUE, FALSE, sizeof (gunichar));
self->input_pos = self->input_offset = 0; self->input_pos = self->input_offset = 0;
@ -540,15 +558,6 @@ app_init (Application *self, char **filenames)
self->division = 0.5; self->division = 0.5;
const char *charset;
self->locale_is_utf8 = g_get_charset (&charset);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
self->ucs4_to_locale = g_iconv_open (charset, "UTF-32LE");
#else // G_BYTE_ORDER != G_LITTLE_ENDIAN
self->ucs4_to_locale = g_iconv_open (charset, "UTF-32BE");
#endif // G_BYTE_ORDER != G_LITTLE_ENDIAN
self->focused = TRUE;
app_init_attrs (self); app_init_attrs (self);
self->dictionaries = self->dictionaries =
g_ptr_array_new_with_free_func ((GDestroyNotify) dictionary_destroy); g_ptr_array_new_with_free_func ((GDestroyNotify) dictionary_destroy);
@ -1922,10 +1931,7 @@ app_process_left_mouse_click (Application *self, int line, int column)
} }
else if (line == 1) else if (line == 1)
{ {
// FIXME: this is only an approximation gint pos = column - self->search_label_width;
glong label_width = g_utf8_strlen (self->search_label, -1);
gint pos = column - label_width;
if (pos >= 0) if (pos >= 0)
{ {
// On clicking the left arrow, go to that invisible character // On clicking the left arrow, go to that invisible character