[gucharmap] chartable: Mark special script and block names in italic

[Christian Persch <chpe src gnome org>]

commit 78106773aee01cf111e287c19186a8fd1cfbd89a
Author: Christian Persch <chpe src gnome org>
Date:   Tue Oct 6 18:17:08 2020 +0200

    chartable: Mark special script and block names in italic
    
    Fixes: https://gitlab.gnome.org/GNOME/gucharmap/-/issues/37

 gucharmap/gucharmap-block-chapters-model.c  | 10 ++++++++++
 gucharmap/gucharmap-chapters-view.c         |  1 +
 gucharmap/gucharmap-private.h               |  1 +
 gucharmap/gucharmap-script-chapters-model.c | 16 ++++++++++++++++
 4 files changed, 28 insertions(+)
---
diff --git a/gucharmap/gucharmap-block-chapters-model.c b/gucharmap/gucharmap-block-chapters-model.c
index 67fc23e1..ff41049a 100644
--- a/gucharmap/gucharmap-block-chapters-model.c
+++ b/gucharmap/gucharmap-block-chapters-model.c
@@ -29,6 +29,7 @@ enum
 {
   BLOCK_CHAPTERS_MODEL_ID = 0,
   BLOCK_CHAPTERS_MODEL_LABEL = GUCHARMAP_CHAPTERS_MODEL_COLUMN_LABEL,
+  BLOCK_CHAPTERS_MODEL_LABEL_ATTRS = _GUCHARMAP_CHAPTERS_MODEL_COLUMN_LABEL_ATTRS,
   BLOCK_CHAPTERS_MODEL_BLOCK,
   BLOCK_CHAPTERS_MODEL_UNICODE_BLOCK_PTR,
   BLOCK_CHAPTERS_MODEL_NUM_COLUMNS
@@ -62,9 +63,14 @@ gucharmap_block_chapters_model_init (GucharmapBlockChaptersModel *model)
   GType types[] = {
     G_TYPE_STRING,
     G_TYPE_STRING,
+    PANGO_TYPE_ATTR_LIST,
     G_TYPE_STRING,
     G_TYPE_POINTER
   };
+  PangoAttrList *attr_list;
+
+  attr_list = pango_attr_list_new ();
+  pango_attr_list_insert (attr_list, pango_attr_style_new (PANGO_STYLE_ITALIC));
 
   gtk_list_store_set_column_types (store, G_N_ELEMENTS (types), types);
 
@@ -72,10 +78,13 @@ gucharmap_block_chapters_model_init (GucharmapBlockChaptersModel *model)
   gtk_list_store_set (store, &iter,
                       BLOCK_CHAPTERS_MODEL_ID, "All",
                       BLOCK_CHAPTERS_MODEL_LABEL, _("All"), 
+                      BLOCK_CHAPTERS_MODEL_LABEL_ATTRS, attr_list,
                       BLOCK_CHAPTERS_MODEL_BLOCK, "",
                       BLOCK_CHAPTERS_MODEL_UNICODE_BLOCK_PTR, NULL, 
                       -1);
 
+  pango_attr_list_unref (attr_list);
+
   for (i = 0;  i < G_N_ELEMENTS (unicode_blocks); i++)
     {
       static gchar block_start[12];
@@ -88,6 +97,7 @@ gucharmap_block_chapters_model_init (GucharmapBlockChaptersModel *model)
       gtk_list_store_set (store, &iter,
                           BLOCK_CHAPTERS_MODEL_ID, block_name,
                           BLOCK_CHAPTERS_MODEL_LABEL, _(block_name),
+                          BLOCK_CHAPTERS_MODEL_LABEL_ATTRS, NULL,
                           BLOCK_CHAPTERS_MODEL_BLOCK, block_start,
                           BLOCK_CHAPTERS_MODEL_UNICODE_BLOCK_PTR, unicode_blocks + i,
                           -1);
diff --git a/gucharmap/gucharmap-chapters-view.c b/gucharmap/gucharmap-chapters-view.c
index f71cc794..9e253e1c 100644
--- a/gucharmap/gucharmap-chapters-view.c
+++ b/gucharmap/gucharmap-chapters-view.c
@@ -66,6 +66,7 @@ gucharmap_chapters_view_init (GucharmapChaptersView *view)
   column = priv->column = gtk_tree_view_column_new ();
   gtk_tree_view_column_pack_start (column, cell, FALSE);
   gtk_tree_view_column_add_attribute (column, cell, "text", GUCHARMAP_CHAPTERS_MODEL_COLUMN_LABEL);
+  gtk_tree_view_column_add_attribute (column, cell, "attributes", 
_GUCHARMAP_CHAPTERS_MODEL_COLUMN_LABEL_ATTRS);
   gtk_tree_view_append_column (tree_view, column);
 
   selection = gtk_tree_view_get_selection (tree_view);
diff --git a/gucharmap/gucharmap-private.h b/gucharmap/gucharmap-private.h
index a7d6e928..e9416255 100644
--- a/gucharmap/gucharmap-private.h
+++ b/gucharmap/gucharmap-private.h
@@ -28,6 +28,7 @@ G_GNUC_INTERNAL void _gucharmap_intl_ensure_initialized (void);
 
 G_GNUC_INTERNAL gboolean _gucharmap_unicode_has_nameslist_entry (gunichar uc);
 
+#define _GUCHARMAP_CHAPTERS_MODEL_COLUMN_LABEL_ATTRS (2)
 
 struct _GucharmapChaptersModelPrivate {
   GucharmapCodepointList *book_list;
diff --git a/gucharmap/gucharmap-script-chapters-model.c b/gucharmap/gucharmap-script-chapters-model.c
index fe5c5252..c06596fa 100644
--- a/gucharmap/gucharmap-script-chapters-model.c
+++ b/gucharmap/gucharmap-script-chapters-model.c
@@ -27,6 +27,14 @@
 #include "gucharmap.h"
 #include "gucharmap-private.h"
 
+static gboolean
+is_special_script (const char *script)
+{
+  return g_str_equal (script, "Common") ||
+    g_str_equal (script, "Inherited") ||
+    g_str_equal (script, "Unknown");
+}
+
 static void
 gucharmap_script_chapters_model_init (GucharmapScriptChaptersModel *model)
 {
@@ -38,7 +46,12 @@ gucharmap_script_chapters_model_init (GucharmapScriptChaptersModel *model)
   GType types[] = {
     G_TYPE_STRING,
     G_TYPE_STRING,
+    PANGO_TYPE_ATTR_LIST,
   };
+  PangoAttrList *attr_list;
+
+  attr_list = pango_attr_list_new ();
+  pango_attr_list_insert (attr_list, pango_attr_style_new (PANGO_STYLE_ITALIC));
 
   gtk_list_store_set_column_types (store, G_N_ELEMENTS (types), types);
 
@@ -49,9 +62,12 @@ gucharmap_script_chapters_model_init (GucharmapScriptChaptersModel *model)
       gtk_list_store_set (store, &iter,
                           GUCHARMAP_CHAPTERS_MODEL_COLUMN_ID, unicode_scripts[i],
                           GUCHARMAP_CHAPTERS_MODEL_COLUMN_LABEL, _(unicode_scripts[i]),
+                          _GUCHARMAP_CHAPTERS_MODEL_COLUMN_LABEL_ATTRS,
+                                  is_special_script (unicode_scripts[i]) ? attr_list : NULL,
                           -1);
     }
   g_free (unicode_scripts);
+  pango_attr_list_unref (attr_list);
 
   chapters_model->priv->sort_column = GUCHARMAP_CHAPTERS_MODEL_COLUMN_LABEL;
 }