[vte] widget: Add API to get selected text

[Christian Persch <chpe src gnome org>]

commit 3ed53bfaa7344ce5b7727a60a2d33315b15201e5
Author: Jamie Murphy <hello jamiethalacker dev>
Date:   Sun Jul 3 21:48:03 2022 +0200

    widget: Add API to get selected text
    
    Fixes: https://gitlab.gnome.org/GNOME/vte/-/issues/2563

 src/vte/vteterminal.h |  3 +++
 src/vtegtk.cc         | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)
---
diff --git a/src/vte/vteterminal.h b/src/vte/vteterminal.h
index 0d3cf51c..6f8a7751 100644
--- a/src/vte/vteterminal.h
+++ b/src/vte/vteterminal.h
@@ -358,6 +358,9 @@ gboolean vte_terminal_get_allow_hyperlink(VteTerminal *terminal) _VTE_CXX_NOEXCE
 _VTE_PUBLIC
 gboolean vte_terminal_get_has_selection(VteTerminal *terminal) _VTE_CXX_NOEXCEPT _VTE_GNUC_NONNULL(1);
 
+_VTE_PUBLIC
+char* vte_terminal_get_text_selected(VteTerminal* terminal) _VTE_CXX_NOEXCEPT _VTE_GNUC_NONNULL(1);
+
 /* Set what happens when the user strikes backspace or delete. */
 _VTE_PUBLIC
 void vte_terminal_set_backspace_binding(VteTerminal *terminal,
diff --git a/src/vtegtk.cc b/src/vtegtk.cc
index dba6ed76..034c023b 100644
--- a/src/vtegtk.cc
+++ b/src/vtegtk.cc
@@ -5576,6 +5576,38 @@ catch (...)
         return false;
 }
 
+/**
+ * vte_terminal_get_text_selected:
+ * @terminal: a #VteTerminal
+ *
+ * Gets the currently selected text.
+ *
+ * Returns: (transfer full) (nullable): a newly allocated string containing the selected text, or %NULL if 
there is no selection
+ *
+ * Since: 0.70
+ */
+char*
+vte_terminal_get_text_selected(VteTerminal* terminal) noexcept
+try
+{
+        g_return_val_if_fail(VTE_IS_TERMINAL(terminal), nullptr);
+
+        auto const selection = IMPL(terminal)->m_selection_resolved;
+        return vte_terminal_get_text_range(terminal,
+                                           selection.start_row(),
+                                           selection.start_column(),
+                                           selection.last_row(),
+                                           selection.end_column(),
+                                           nullptr,
+                                           nullptr,
+                                           nullptr);
+}
+catch (...)
+{
+        vte::log_exception();
+        return nullptr;
+}
+
 /**
  * vte_terminal_get_icon_title:
  * @terminal: a #VteTerminal