Make sure exclusion hotkey works when dialog has focus.

(Potentially only required on MSW.  Not required
on MacOS, unknown on GTK.)

Fixes https://gitlab.com/kicad/code/kicad/-/issues/21761

eeschema/dialogs/dialog_erc.cpp

@@ -242,6 +242,28 @@ void DIALOG_ERC::OnMenu( wxCommandEvent& event )
 }
 
 
+void DIALOG_ERC::OnCharHook( wxKeyEvent& aEvt )
+{
+    if( int hotkey = aEvt.GetKeyCode() )
+    {
+        if( aEvt.ControlDown() )
+            hotkey |= MD_CTRL;
+        if( aEvt.ShiftDown() )
+            hotkey |= MD_SHIFT;
+        if( aEvt.AltDown() )
+            hotkey |= MD_ALT;
+
+        if( hotkey == ACTIONS::excludeMarker.GetHotKey() )
+        {
+            ExcludeMarker();
+            return;
+        }
+    }
+
+    DIALOG_SHIM::OnCharHook( aEvt );
+}
+
+
 bool DIALOG_ERC::TransferDataToWindow()
 {
     UpdateData();

eeschema/dialogs/dialog_erc.h

@@ -22,8 +22,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#ifndef _DIALOG_ERC_H_
-#define _DIALOG_ERC_H_
+#pragma once
 
 #include <wx/htmllbox.h>
 
@@ -76,6 +75,7 @@ private:
 
     // from DIALOG_ERC_BASE:
     void OnMenu( wxCommandEvent& aEvent ) override;
+    void OnCharHook( wxKeyEvent& aEvt ) override;
     void OnCloseErcDialog( wxCloseEvent& event ) override;
     void OnRunERCClick( wxCommandEvent& event ) override;
     void OnDeleteOneClick( wxCommandEvent& event ) override;
@@ -121,8 +121,3 @@ private:
     bool               m_crossprobe;
     bool               m_scroll_on_crossprobe;
 };
-
-
-#endif
-
-// _DIALOG_ERC_H_

pcbnew/dialogs/dialog_drc.cpp

@@ -307,6 +307,28 @@ void DIALOG_DRC::OnErrorLinkClicked( wxHtmlLinkEvent& event )
 }
 
 
+void DIALOG_DRC::OnCharHook( wxKeyEvent& aEvt )
+{
+    if( int hotkey = aEvt.GetKeyCode() )
+    {
+        if( aEvt.ControlDown() )
+            hotkey |= MD_CTRL;
+        if( aEvt.ShiftDown() )
+            hotkey |= MD_SHIFT;
+        if( aEvt.AltDown() )
+            hotkey |= MD_ALT;
+
+        if( hotkey == ACTIONS::excludeMarker.GetHotKey() )
+        {
+            ExcludeMarker();
+            return;
+        }
+    }
+
+    DIALOG_SHIM::OnCharHook( aEvt );
+}
+
+
 void DIALOG_DRC::OnRunDRCClick( wxCommandEvent& aEvent )
 {
     TOOL_MANAGER*     toolMgr              = m_frame->GetToolManager();
@@ -1192,23 +1214,27 @@ void DIALOG_DRC::ExcludeMarker()
         return;
 
     RC_TREE_NODE* node = RC_TREE_MODEL::ToNode( m_markerDataView->GetCurrentItem() );
-    PCB_MARKER*   marker = dynamic_cast<PCB_MARKER*>( node->m_RcItem->GetParent() );
 
-    if( marker && marker->GetSeverity() != RPT_SEVERITY_EXCLUSION )
+    if( node && node->m_RcItem )
     {
-        marker->SetExcluded( true );
-        bds().m_DrcExclusions.insert( marker->SerializeToString() );
-        m_frame->GetCanvas()->GetView()->Update( marker );
+        PCB_MARKER* marker = dynamic_cast<PCB_MARKER*>( node->m_RcItem->GetParent() );
 
-        // Update view
-        if( m_showExclusions->GetValue() )
-            m_markersTreeModel->ValueChanged( node );
-        else
-            m_markersTreeModel->DeleteCurrentItem( false );
+        if( marker && marker->GetSeverity() != RPT_SEVERITY_EXCLUSION )
+        {
+            marker->SetExcluded( true );
+            bds().m_DrcExclusions.insert( marker->SerializeToString() );
+            m_frame->GetCanvas()->GetView()->Update( marker );
 
-        updateDisplayedCounts();
-        refreshEditor();
-        m_frame->OnModify();
+            // Update view
+            if( m_showExclusions->GetValue() )
+                m_markersTreeModel->ValueChanged( node );
+            else
+                m_markersTreeModel->DeleteCurrentItem( false );
+
+            updateDisplayedCounts();
+            refreshEditor();
+            m_frame->OnModify();
+        }
     }
 }
 

pcbnew/dialogs/dialog_drc.h

@@ -78,6 +78,7 @@ private:
     bool TransferDataToWindow() override;
 
     void OnMenu( wxCommandEvent& aEvent ) override;
+    void OnCharHook( wxKeyEvent& aEvt ) override;
     void OnDRCItemSelected( wxDataViewEvent& aEvent ) override;
     void OnDRCItemDClick( wxDataViewEvent& aEvent ) override;
     void OnDRCItemRClick( wxDataViewEvent& aEvent ) override;