From 8c29091001cb3c2766347b16c68fedbf26c6f69d Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Tue, 20 Jun 2023 14:15:56 +0100
Subject: [PATCH] Add a "hyperzoom" mode for debugging "up close".

---
 common/advanced_config.cpp         | 11 ++++++++++-
 include/advanced_config.h          |  5 +++++
 include/zoom_defines.h             |  5 ++++-
 pcbnew/footprint_preview_panel.cpp |  6 +++++-
 pcbnew/pcb_base_frame.cpp          |  5 ++++-
 5 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/common/advanced_config.cpp b/common/advanced_config.cpp
index 2efe838e96..fcf4e7d63b 100644
--- a/common/advanced_config.cpp
+++ b/common/advanced_config.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2019-2022 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2019-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -110,6 +110,11 @@ static const wxChar CoroutineStackSize[] = wxT( "CoroutineStackSize" );
  */
 static const wxChar ShowRouterDebugGraphics[] = wxT( "ShowRouterDebugGraphics" );
 
+/**
+ * Slide the zoom steps over for debugging things "up close".
+ */
+static const wxChar HyperZoom[] = wxT( "HyperZoom" );
+
 /**
  * When set to true, this will wrap polygon point sets at 4 points per line rather
  * than a single point per line.  Single point per line helps with version control systems
@@ -290,6 +295,7 @@ ADVANCED_CFG::ADVANCED_CFG()
     // then the values will remain as set here.
     m_CoroutineStackSize        = AC_STACK::default_stack;
     m_ShowRouterDebugGraphics   = false;
+    m_HyperZoom                 = false;
     m_DrawArcAccuracy           = 10.0;
     m_DrawArcCenterMaxAngle     = 50.0;
     m_MaxTangentAngleDeviation  = 1.0;
@@ -409,6 +415,9 @@ void ADVANCED_CFG::loadSettings( wxConfigBase& aCfg )
     configParams.push_back( new PARAM_CFG_BOOL( true, AC_KEYS::ShowRouterDebugGraphics,
                                                 &m_ShowRouterDebugGraphics, m_ShowRouterDebugGraphics ) );
 
+    configParams.push_back( new PARAM_CFG_BOOL( true, AC_KEYS::HyperZoom,
+                                                &m_HyperZoom, m_HyperZoom ) );
+
     configParams.push_back( new PARAM_CFG_BOOL( true, AC_KEYS::CompactFileSave,
                                                 &m_CompactSave, m_CompactSave ) );
 
diff --git a/include/advanced_config.h b/include/advanced_config.h
index 97d3cd83a3..2dfef6c308 100644
--- a/include/advanced_config.h
+++ b/include/advanced_config.h
@@ -140,6 +140,11 @@ public:
      */
     bool m_ShowRouterDebugGraphics;
 
+    /**
+     * Slide the zoom steps over for debugging things "up close".
+     */
+    bool m_HyperZoom;
+
     /**
      * Save files in compact display mode
      * When is is not specified, points are written one per line
diff --git a/include/zoom_defines.h b/include/zoom_defines.h
index 411189b51b..6704e1aa15 100644
--- a/include/zoom_defines.h
+++ b/include/zoom_defines.h
@@ -2,7 +2,7 @@
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
  * Copyright (C) 2012-2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
- * Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -32,6 +32,9 @@
 #define ZOOM_LIST_PCBNEW 0.13, 0.22, 0.35, 0.6, 1.0, 1.5, 2.2, 3.5, 5.0, 8.0, 13.0,\
                          20.0, 35.0, 50.0, 80.0, 130.0, 220.0, 300.0
 
+#define ZOOM_LIST_PCBNEW_HYPER 0.6, 1.0, 1.5, 2.2, 3.5, 5.0, 8.0, 13.0, 20.0, 35.0, 50.0,\
+                               80.0, 130.0, 220.0, 350.0, 600.0, 900.0, 1500.0
+
 #define ZOOM_LIST_PL_EDITOR 0.022, 0.035, 0.05, 0.08, 0.13, 0.22, 0.35, 0.6, 1.0, 2.2,\
                             3.5, 5.0, 8.0, 13.0, 22.0, 35.0, 50.0, 80.0, 130.0, 220.0
 
diff --git a/pcbnew/footprint_preview_panel.cpp b/pcbnew/footprint_preview_panel.cpp
index 73a105c820..7cb94f8ad8 100644
--- a/pcbnew/footprint_preview_panel.cpp
+++ b/pcbnew/footprint_preview_panel.cpp
@@ -23,6 +23,7 @@
 #include <utility>
 
 #include "pcbnew_settings.h"
+#include <advanced_config.h>
 #include <base_units.h>
 #include <board.h>
 #include <footprint.h>
@@ -255,7 +256,10 @@ FOOTPRINT_PREVIEW_PANEL* FOOTPRINT_PREVIEW_PANEL::New( KIWAY* aKiway, wxWindow*
     // change this config
     //if( cfg->m_Window.zoom_factors.empty() )
     {
-        cfg->m_Window.zoom_factors = { ZOOM_LIST_PCBNEW };
+        if( ADVANCED_CFG::GetCfg().m_HyperZoom )
+            cfg->m_Window.zoom_factors = { ZOOM_LIST_PCBNEW_HYPER };
+        else
+            cfg->m_Window.zoom_factors = { ZOOM_LIST_PCBNEW };
     }
 
     std::unique_ptr<KIGFX::GAL_DISPLAY_OPTIONS> gal_opts;
diff --git a/pcbnew/pcb_base_frame.cpp b/pcbnew/pcb_base_frame.cpp
index f6dde9ff86..0110d955e2 100644
--- a/pcbnew/pcb_base_frame.cpp
+++ b/pcbnew/pcb_base_frame.cpp
@@ -897,7 +897,10 @@ void PCB_BASE_FRAME::LoadSettings( APP_SETTINGS_BASE* aCfg )
     // change this config
     // if( aCfg->m_Window.zoom_factors.empty() )
     {
-        aCfg->m_Window.zoom_factors = { ZOOM_LIST_PCBNEW };
+        if( ADVANCED_CFG::GetCfg().m_HyperZoom )
+            aCfg->m_Window.zoom_factors = { ZOOM_LIST_PCBNEW_HYPER };
+        else
+            aCfg->m_Window.zoom_factors = { ZOOM_LIST_PCBNEW };
     }
 
     // Some, but not all, derived classes have a PCBNEW_SETTINGS.