DolphinQt: Don't update debug widgets when hidden

Saves on CPU usage when pausing/unpausing with the debugger disabled.
This is especially important when using frame advance rapidly.

1 files changed, 8 insertions, 0 deletions

diff --git a/Source/Core/DolphinQt/Debugger/CodeViewWidget.cpp b/Source/Core/DolphinQt/Debugger/CodeViewWidget.cpp
index 2427101cb7..d413bb0cd0 100644
--- a/Source/Core/DolphinQt/Debugger/CodeViewWidget.cpp
+++ b/Source/Core/DolphinQt/Debugger/CodeViewWidget.cpp
@@ -92,6 +92,9 @@ void CodeViewWidget::FontBasedSizing()
 
 void CodeViewWidget::Update()
 {
+  if (!isVisible())
+    return;
+
   if (m_updating)
     return;
 
@@ -568,6 +571,11 @@ void CodeViewWidget::mousePressEvent(QMouseEvent* event)
   }
 }
 
+void CodeViewWidget::showEvent(QShowEvent* event)
+{
+  Update();
+}
+
 void CodeViewWidget::ToggleBreakpoint()
 {
   if (PowerPC::debug_interface.IsBreakpoint(GetContextAddress()))