messenger-gtk

commit 55728292d4b360c4ca7a55e48c98bf1221bc6f63
parent 69f2d93d65309bf74a7c7471c38e6a9d2537527b
Author: Jacki <jacki@thejackimonster.de>
Date:   Sat, 11 May 2024 17:15:14 +0200

Support interactive links in message texts

Signed-off-by: Jacki <jacki@thejackimonster.de>

Diffstat:
M
src/event.c
 | 
2
+-
M
src/ui.c
 | 
69
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
src/ui.h
 | 
12
++++++++++++

3 files changed, 82 insertions(+), 1 deletion(-)
diff --git a/src/event.c b/src/event.c
@@ -841,7 +841,7 @@ event_receive_message(MESSENGER_Application *app,
       "im.received"
     );
 
-  ui_label_set_text(message->text_label, text);
+  ui_label_set_markup_text(message->text_label, text);
   ui_label_set_text(message->timestamp_label, time);
 
   ui_chat_add_message(handle->chat, app, message);
diff --git a/src/ui.c b/src/ui.c
@@ -62,6 +62,75 @@ ui_label_set_text(GtkLabel *label, const char *text)
 }
 
 void
+ui_label_set_markup_text(GtkLabel *label,
+                         const char *text)
+{
+  g_assert(label);
+
+  if (!text)
+  {
+    gtk_label_set_markup(label, "");
+    return;
+  }
+
+  gchar *_text = g_locale_to_utf8(text, -1, NULL, NULL, NULL);
+  gchar *_escaped = g_markup_escape_text(_text, -1);
+
+  if (_escaped)
+  {
+    g_free(_text);
+    _text = _escaped;
+  }
+
+  GError *error = NULL;
+  GRegex *regex = g_regex_new(
+    "https?://(www.)?[-a-z0-9@:%._\\+~#=/&?]+",
+    G_REGEX_MULTILINE | G_REGEX_OPTIMIZE,
+    G_REGEX_MATCH_DEFAULT,
+    &error
+  );
+
+  if (error)
+  {
+    fprintf (stderr, "ERROR: %s (%d)\n", error->message, error->code);
+    g_error_free(error);
+    goto skip_regex;
+  }
+
+  if (!regex)
+    goto skip_regex;
+
+  gchar *_replaced = g_regex_replace(
+    regex,
+    _text,
+    -1,
+    0,
+    "<a href=\"\\0\">\\0</a>",
+    G_REGEX_MATCH_DEFAULT,
+    &error
+  );
+
+  if (error)
+  {
+    fprintf (stderr, "%s\n", error->message);
+    g_error_free(error);
+  }
+
+  if (_replaced)
+  {
+    g_free(_text);
+    _text = _replaced;
+  }
+
+skip_regex:
+  if (regex)
+    g_regex_unref(regex);
+
+  gtk_label_set_markup(label, _text);
+  g_free(_text);
+}
+
+void
 ui_label_set_size(GtkLabel *label,
                   uint64_t size)
 {
diff --git a/src/ui.h b/src/ui.h
@@ -51,6 +51,18 @@ ui_label_set_text(GtkLabel *label,
                   const char *text);
 
 /**
+ * Sets the text of a GtkLabel applying automatic utf8
+ * conversion and replaces supported syntax with proper
+ * markup.
+ *
+ * @param label Label
+ * @param text Non-utf8 text
+ */
+void
+ui_label_set_markup_text(GtkLabel *label,
+                         const char *text);
+
+/**
  * Sets the text of a GtkLabel applying conversion from
  * file size to string representation.
  *