[evolution] I#1613 - Manually typed categories are ignored

[Milan Crha <mcrha src gnome org>]

commit 91d87d978c60c912593b53e7aaf1eea6386a2008
Author: Milan Crha <mcrha redhat com>
Date:   Fri Sep 17 12:21:13 2021 +0200

    I#1613 - Manually typed categories are ignored
    
    Closes https://gitlab.gnome.org/GNOME/evolution/-/issues/1613

 src/e-util/e-categories-editor.c | 68 ++++++++++++++++++++++++++++++++++------
 1 file changed, 59 insertions(+), 9 deletions(-)
---
diff --git a/src/e-util/e-categories-editor.c b/src/e-util/e-categories-editor.c
index 8251697109..7cbc846115 100644
--- a/src/e-util/e-categories-editor.c
+++ b/src/e-util/e-categories-editor.c
@@ -29,6 +29,7 @@
 #include "e-category-completion.h"
 #include "e-category-editor.h"
 #include "e-dialog-widgets.h"
+#include "e-misc-utils.h"
 
 #define E_CATEGORIES_EDITOR_GET_PRIVATE(obj) \
        (G_TYPE_INSTANCE_GET_PRIVATE \
@@ -43,6 +44,8 @@ struct _ECategoriesEditorPrivate {
        GtkWidget *delete_button;
 
        guint ignore_category_changes : 1;
+       gulong category_checked_handler_id;
+       gulong entry_changed_handler_id;
 };
 
 enum {
@@ -70,6 +73,10 @@ static void
 entry_changed_cb (GtkEntry *entry,
                   ECategoriesEditor *editor)
 {
+       g_signal_handler_block (editor->priv->categories_list, editor->priv->category_checked_handler_id);
+       e_categories_selector_set_checked (editor->priv->categories_list, gtk_entry_get_text (entry));
+       g_signal_handler_unblock (editor->priv->categories_list, editor->priv->category_checked_handler_id);
+
        g_signal_emit (editor, signals[ENTRY_CHANGED], 0);
 }
 
@@ -98,11 +105,20 @@ categories_editor_update_entry (ECategoriesEditor *editor)
        entry = GTK_ENTRY (editor->priv->categories_entry);
        categories = e_categories_selector_get_checked (editor->priv->categories_list);
 
+       g_signal_handler_block (entry, editor->priv->entry_changed_handler_id);
        gtk_entry_set_text (entry, categories);
+       g_signal_handler_unblock (entry, editor->priv->entry_changed_handler_id);
 
        g_free (categories);
 }
 
+static void
+categories_editor_category_checked_cb (ECategoriesEditor *editor)
+{
+       categories_editor_update_entry (editor);
+       g_signal_emit (editor, signals[ENTRY_CHANGED], 0);
+}
+
 static void
 new_button_clicked_cb (GtkButton *button,
                        ECategoriesEditor *editor)
@@ -240,6 +256,8 @@ e_categories_editor_init (ECategoriesEditor *editor)
        GtkWidget *button_edit;
        GtkWidget *button_delete;
 
+       editor->priv = E_CATEGORIES_EDITOR_GET_PRIVATE (editor);
+
        gtk_widget_set_size_request (GTK_WIDGET (editor), -1, 400);
 
        grid = GTK_GRID (editor);
@@ -286,9 +304,9 @@ e_categories_editor_init (ECategoriesEditor *editor)
        gtk_tree_view_set_headers_visible (
                GTK_TREE_VIEW (categories_list), FALSE);
        gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (categories_list), TRUE);
-       g_signal_connect_swapped (
+       editor->priv->category_checked_handler_id = g_signal_connect_swapped (
                G_OBJECT (categories_list), "category-checked",
-               G_CALLBACK (categories_editor_update_entry), editor);
+               G_CALLBACK (categories_editor_category_checked_cb), editor);
 
        hbuttonbox1 = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL);
        g_object_set (
@@ -316,8 +334,6 @@ e_categories_editor_init (ECategoriesEditor *editor)
        gtk_label_set_mnemonic_widget (
                GTK_LABEL (label2), categories_list);
 
-       editor->priv = E_CATEGORIES_EDITOR_GET_PRIVATE (editor);
-
        editor->priv->categories_list = E_CATEGORIES_SELECTOR (categories_list);
        editor->priv->categories_entry = entry_categories;
        editor->priv->categories_entry_label = label_header;
@@ -347,7 +363,7 @@ e_categories_editor_init (ECategoriesEditor *editor)
                G_CALLBACK (delete_button_clicked_cb),
                editor);
 
-       g_signal_connect (
+       editor->priv->entry_changed_handler_id = g_signal_connect (
                editor->priv->categories_entry, "changed",
                G_CALLBACK (entry_changed_cb), editor);
 
@@ -384,13 +400,47 @@ e_categories_editor_new (void)
 gchar *
 e_categories_editor_get_categories (ECategoriesEditor *editor)
 {
-       ECategoriesSelector *categories_list;
-
        g_return_val_if_fail (E_IS_CATEGORIES_EDITOR (editor), NULL);
 
-       categories_list = editor->priv->categories_list;
+       if (e_categories_editor_get_entry_visible (editor)) {
+               GString *categories;
+               gchar **split;
+               gint ii;
+
+               categories = g_string_new ("");
+
+               split = g_strsplit (gtk_entry_get_text (GTK_ENTRY (editor->priv->categories_entry)), ",", 0);
+
+               if (split) {
+                       GHashTable *known;
+                       GSList *items = NULL, *link;
+
+                       known = g_hash_table_new (g_str_hash, g_str_equal);
+
+                       for (ii = 0; split[ii] != NULL; ii++) {
+                               gchar *value = g_strstrip (split[ii]);
+
+                               if (*value && g_hash_table_insert (known, value, GINT_TO_POINTER (1)))
+                                       items = g_slist_prepend (items, value);
+                       }
+
+                       items = g_slist_sort (items, e_collate_compare);
+
+                       for (link = items; link; link = g_slist_next (link)) {
+                               if (categories->len)
+                                       g_string_append_c (categories, ',');
+                               g_string_append (categories, link->data);
+                       }
+
+                       g_hash_table_destroy (known);
+                       g_slist_free (items);
+                       g_strfreev (split);
+               }
+
+               return g_string_free (categories, FALSE);
+       }
 
-       return e_categories_selector_get_checked (categories_list);
+       return e_categories_selector_get_checked (editor->priv->categories_list);
 }
 
 /**