extend FormattedSpinButton to allow custom input/output

Change-Id: Ie84c1d46bc6fa3e29ed97147de486911dc6ecc0c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97217
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index 7270e3e21be5..804fa0ec7df3 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -12128,6 +12128,12 @@ private:
 
     bool signal_output()
     {
+        // allow an explicit handler
+        if (m_aOutputHdl.IsSet())
+        {
+            m_aOutputHdl.Call(*this);
+            return true;
+        }
         if (!m_pFormatter)
             return false;
         double dVal = get_value();
@@ -12157,6 +12163,10 @@ private:
 
     gint signal_input(double* value)
     {
+        // allow an explicit handler
+        if (m_aInputHdl.IsSet())
+            return m_aInputHdl.Call(value) ? 1 : GTK_INPUT_ERROR;
+
         if (!m_pFormatter)
             return 0;
 
@@ -12244,6 +12254,13 @@ public:
         gtk_spin_button_get_range(m_pButton, &min, &max);
     }
 
+    virtual void set_increments(double step, double page) override
+    {
+        disable_notify_events();
+        gtk_spin_button_set_increments(m_pButton, step, page);
+        enable_notify_events();
+    }
+
     virtual void set_formatter(SvNumberFormatter* pFormatter) override
     {
         m_pFormatter = pFormatter;