Add upated UI event throttling to advanced configuration.

common/advanced_config.cpp

@@ -189,6 +189,7 @@ static const wxChar ShowEventCounters[] = wxT( "ShowEventCounters" );
 
 static const wxChar AllowManualCanvasScale[] = wxT( "AllowManualCanvasScale" );
 
+static const wxChar UpdateUIEventInterval[] = wxT( "UpdateUIEventInterval" );
 } // namespace KEYS
 
 
@@ -299,6 +300,7 @@ ADVANCED_CFG::ADVANCED_CFG()
     m_HideVersionFromTitle      = false;
     m_ShowEventCounters         = false;
     m_AllowManualCanvasScale    = false;
+    m_UpdateUIEventInterval     = 0;
 
     loadFromConfigFile();
 }
@@ -363,6 +365,9 @@ void ADVANCED_CFG::loadSettings( wxConfigBase& aCfg )
                                                &m_CoroutineStackSize, AC_STACK::default_stack,
                                                AC_STACK::min_stack, AC_STACK::max_stack ) );
 
+    configParams.push_back( new PARAM_CFG_INT( true, AC_KEYS::UpdateUIEventInterval,
+                                               &m_UpdateUIEventInterval, 0, -1, 100000 ) );
+
     configParams.push_back( new PARAM_CFG_BOOL( true, AC_KEYS::ShowRouterDebugGraphics,
                                                 &m_ShowRouterDebugGraphics, false ) );
 

common/pgm_base.cpp

@@ -40,6 +40,7 @@
 #include <wx/filedlg.h>
 #include <wx/tooltip.h>
 
+#include <advanced_config.h>
 #include <common.h>
 #include <config_params.h>
 #include <confirm.h>
@@ -299,6 +300,9 @@ bool PGM_BASE::InitPgm( bool aHeadless, bool aSkipPyInit )
     // Windows as other platforms display tooltips while the mouse is not moving
     wxToolTip::SetAutoPop( 10000 );
 
+    if( ADVANCED_CFG::GetCfg().m_UpdateUIEventInterval != 0 )
+        wxUpdateUIEvent::SetUpdateInterval( ADVANCED_CFG::GetCfg().m_UpdateUIEventInterval );
+
     return true;
 }
 

include/advanced_config.h

@@ -123,6 +123,16 @@ public:
      */
     int m_CoroutineStackSize;
 
+    /**
+     * The update interval the wxWidgets sends wxUpdateUIEvents to windows.
+     *
+     * The default is 0.  Setting this to -1 will disable all automatic UI events.  Any other
+     * value is the number of milliseconds between events.
+     *
+     * @see https://docs.wxwidgets.org/3.0/classwx_update_u_i_event.html#a24daac56f682b866baac592e761ccede.
+     */
+    int m_UpdateUIEventInterval;
+
     /**
      * Show PNS router debug graphics
      */