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sdgui: avoid Pango markup for keywords 

Sadly, there is no way to make this an improvement for the end user.
This commit is contained in:
Přemysl Eric Janouch 2021-10-20 11:17:41 +02:00
parent dd7b258698
commit 6158f6e3b5
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 22 additions and 23 deletions
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45
src/stardict-view.c
View File

@ -27,7 +27,8 @@ typedef struct view_entry ViewEntry;
struct view_entry struct view_entry
{ {
gchar *word; ///< The word, in Pango markup gchar *word; ///< The word
gsize word_matched; ///< Initial matching bytes of the word
gchar *definition; ///< Definition lines, in Pango markup gchar *definition; ///< Definition lines, in Pango markup
PangoLayout *word_layout; ///< Ellipsized one-line layout or NULL PangoLayout *word_layout; ///< Ellipsized one-line layout or NULL
@ -56,18 +57,8 @@ view_entry_new (StardictIterator *iterator, const gchar *matched)
// it on each search field change by rebuilding the list of view entries. // it on each search field change by rebuilding the list of view entries.
// The phonetics suffix would need to be stored separately. // The phonetics suffix would need to be stored separately.
const gchar *word = stardict_iterator_get_word (iterator); const gchar *word = stardict_iterator_get_word (iterator);
gsize common_prefix = stardict_longest_common_collation_prefix
(iterator->owner, word, matched);
ViewEntry *ve = g_slice_alloc0 (sizeof *ve);
GString *adjusted_word = g_string_new ("");
gchar *pre = g_markup_escape_text (word, common_prefix);
gchar *post = g_markup_escape_text (word + common_prefix, -1);
g_string_printf (adjusted_word, "<u>%s</u>%s", pre, post);
g_free (pre);
g_free (post);
GString *adjusted_word = g_string_new (word);
GPtrArray *definitions = g_ptr_array_new_full (2, g_free); GPtrArray *definitions = g_ptr_array_new_full (2, g_free);
for (const GList *fields = stardict_entry_get_fields (entry); fields; ) for (const GList *fields = stardict_entry_get_fields (entry); fields; )
{ {
@ -86,12 +77,8 @@ view_entry_new (StardictIterator *iterator, const gchar *matched)
xdxf_to_pango_markup_with_reduced_effort (field->data)); xdxf_to_pango_markup_with_reduced_effort (field->data));
break; break;
case STARDICT_FIELD_PHONETIC: case STARDICT_FIELD_PHONETIC:
{ g_string_append_printf (adjusted_word,
gchar *escaped = g_markup_escape_text (field->data, -1); " /%s/", (const char *) field->data);
g_string_append_printf (adjusted_word, " /%s/", escaped);
g_free (escaped);
break;
}
default: default:
// TODO: support more of them // TODO: support more of them
break; break;
@ -100,7 +87,10 @@ view_entry_new (StardictIterator *iterator, const gchar *matched)
} }
g_object_unref (entry); g_object_unref (entry);
ViewEntry *ve = g_slice_alloc0 (sizeof *ve);
ve->word = g_string_free (adjusted_word, FALSE); ve->word = g_string_free (adjusted_word, FALSE);
ve->word_matched = stardict_longest_common_collation_prefix
(iterator->owner, word, matched);
if (!definitions->len) if (!definitions->len)
{ {
gchar *message = g_markup_escape_text (_("no usable field found"), -1); gchar *message = g_markup_escape_text (_("no usable field found"), -1);
@ -198,15 +188,24 @@ view_entry_rebuild_layouts (ViewEntry *ve, GtkWidget *widget)
if (part_width < 1) if (part_width < 1)
return; return;
// Left/right-dependent fonts aren't supported (GTK_STYLE_PROPERTY_FONT) // Left/right-dependent fonts aren't supported
// TODO: preferably pre-validate the layouts with pango_parse_markup(),
// so that it doesn't warn without indication on the frontend
ve->word_layout = pango_layout_new (pc); ve->word_layout = pango_layout_new (pc);
pango_layout_set_markup (ve->word_layout, ve->word, -1); pango_layout_set_text (ve->word_layout, ve->word, -1);
pango_layout_set_ellipsize (ve->word_layout, PANGO_ELLIPSIZE_END); pango_layout_set_ellipsize (ve->word_layout, PANGO_ELLIPSIZE_END);
pango_layout_set_single_paragraph_mode (ve->word_layout, TRUE); pango_layout_set_single_paragraph_mode (ve->word_layout, TRUE);
pango_layout_set_width (ve->word_layout, PANGO_SCALE * part_width); pango_layout_set_width (ve->word_layout, PANGO_SCALE * part_width);
// gtk_css_style_get_pango_attributes() is completely inaccessible,
// so the underline cannot be styled (GTK_STYLE_PROPERTY_FONT isn't enough)
PangoAttrList *attrs = pango_attr_list_new ();
PangoAttribute *u = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
u->end_index = ve->word_matched;
pango_attr_list_insert (attrs, u);
pango_layout_set_attributes (ve->word_layout, attrs);
pango_attr_list_unref (attrs);
// TODO: preferably pre-validate the layout with pango_parse_markup(),
// so that it doesn't warn without indication on the frontend
ve->definition_layout = pango_layout_new (pc); ve->definition_layout = pango_layout_new (pc);
pango_layout_set_markup (ve->definition_layout, ve->definition, -1); pango_layout_set_markup (ve->definition_layout, ve->definition, -1);
pango_layout_set_width (ve->definition_layout, PANGO_SCALE * part_width); pango_layout_set_width (ve->definition_layout, PANGO_SCALE * part_width);
@ -431,7 +430,7 @@ stardict_view_draw (GtkWidget *widget, cairo_t *cr)
for (GList *iter = self->entries; iter; iter = iter->next) for (GList *iter = self->entries; iter; iter = iter->next)
{ {
// Style regions would be appropriate, if they weren't deprecated. // Style regions would be appropriate, if they weren't deprecated.
// GTK+ CSS gadgets/notes are an internal API. We don't want to turn // GTK+ CSS gadgets/nodes are an internal API. We don't want to turn
// this widget into a container, to avoid needless complexity. // this widget into a container, to avoid needless complexity.
// //
// gtk_style_context_{get,set}_path() may be misused by adding the same // gtk_style_context_{get,set}_path() may be misused by adding the same