19 files changed, 537 insertions, 581 deletions

diff --git a/wx+/app_main.h b/wx+/app_main.h
index 570a2a9c..17a59d7b 100644
--- a/wx+/app_main.h
+++ b/wx+/app_main.h
@@ -21,16 +21,10 @@ bool globalWindowWasSet();
 
 
 
-
 //######################## implementation ########################
 namespace impl
 {
-inline
-bool& refGlobalWindowStatus()
-{
-    static bool status = false; //external linkage!
-    return status;
-}
+inline bool haveGlobalWindow = false;
 }
 
 
@@ -40,10 +34,12 @@ void setGlobalWindow(wxWindow* window)
     wxTheApp->SetTopWindow(window);
     wxTheApp->SetExitOnFrameDelete(true);
 
-    impl::refGlobalWindowStatus() = true;
+    impl::haveGlobalWindow = true;
 }
 
-inline bool globalWindowWasSet() { return impl::refGlobalWindowStatus(); }
+
+inline
+bool globalWindowWasSet() { return impl::haveGlobalWindow; }
 }
 
 #endif //APP_MAIN_H_08215601837818347575856
diff --git a/wx+/async_task.h b/wx+/async_task.h
index 47660a6a..1571c917 100644
--- a/wx+/async_task.h
+++ b/wx+/async_task.h
@@ -114,7 +114,7 @@ private:
 class AsyncGuiQueue : private wxEvtHandler
 {
 public:
-    AsyncGuiQueue(int pollingMs = 50) : pollingMs_(pollingMs) { timer_.Connect(wxEVT_TIMER, wxEventHandler(AsyncGuiQueue::onTimerEvent), nullptr, this); }
+    AsyncGuiQueue(int pollingMs = 50) : pollingMs_(pollingMs) { timer_.Bind(wxEVT_TIMER, [this](wxTimerEvent& event) { onTimerEvent(event); }); }
 
     template <class Fun, class Fun2>
     void processAsync(Fun&& evalAsync, Fun2&& evalOnGui)
diff --git a/wx+/bitmap_button.h b/wx+/bitmap_button.h
index 508a72fc..8fe8e146 100644
--- a/wx+/bitmap_button.h
+++ b/wx+/bitmap_button.h
@@ -26,7 +26,7 @@ public:
                      const wxSize& size           = wxDefaultSize,
                      long style                   = 0,
                      const wxValidator& validator = wxDefaultValidator,
-                     const wxString& name         = wxButtonNameStr) :
+                     const wxString& name         = wxASCII_STR(wxButtonNameStr)) :
         wxBitmapButton(parent, id, wxNullBitmap, pos, size, style, validator, name)
     {
         SetLabel(label);
@@ -98,9 +98,10 @@ wxBitmap renderSelectedButton(const wxSize& sz)
     wxBitmap bmp(sz); //seems we don't need to pass 24-bit depth here even for high-contrast color schemes
     {
         wxMemoryDC dc(bmp);
-        dc.SetBrush(wxColor(0xcc, 0xe4, 0xf8)); //light blue
-        dc.SetPen  (wxColor(0x79, 0xbc, 0xed)); //medium blue
-        dc.DrawRectangle(wxRect(bmp.GetSize()));
+
+        const wxColor borderCol(0x79, 0xbc, 0xed); //medium blue
+        const wxColor innerCol (0xcc, 0xe4, 0xf8); //light blue
+        drawFilledRectangle(dc, wxRect(bmp.GetSize()), fastFromDIP(1), borderCol, innerCol);
     }
     return bmp;
 }
@@ -116,7 +117,8 @@ wxBitmap renderPressedButton(const wxSize& sz)
         const wxColor colTo(0x11, 0x79, 0xfe); //light blue
 
         wxMemoryDC dc(bmp);
-        dc.SetBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+        dc.SetPen(*wxTRANSPARENT_PEN); //wxTRANSPARENT_PEN is about 2x faster than redundantly drawing with col!
+
         wxRect rect(bmp.GetSize());
 
         const int borderSize = fastFromDIP(3);
@@ -125,10 +127,13 @@ wxBitmap renderPressedButton(const wxSize& sz)
             const wxColor colGradient((colFrom.Red  () * (borderSize - i) + colTo.Red  () * i) / borderSize,
                                       (colFrom.Green() * (borderSize - i) + colTo.Green() * i) / borderSize,
                                       (colFrom.Blue () * (borderSize - i) + colTo.Blue () * i) / borderSize);
-            dc.SetPen(colGradient);
+            dc.SetBrush(colGradient);
             dc.DrawRectangle(rect);
             rect.Deflate(1);
         }
+
+        dc.SetBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+        dc.DrawRectangle(rect);
     }
     return bmp;
 }
diff --git a/wx+/choice_enum.h b/wx+/choice_enum.h
index e11b9991..626aa39a 100644
--- a/wx+/choice_enum.h
+++ b/wx+/choice_enum.h
@@ -104,7 +104,7 @@ Enum getEnumVal(const EnumDescrList<Enum>& mapping, const wxChoice& ctrl)
 {
     const int selectedPos = ctrl.GetSelection();
 
-    if (0 <= selectedPos && selectedPos < static_cast<int>(mapping.descrList.size()))
+    if (0 <= selectedPos && selectedPos < std::ssize(mapping.descrList))
         return mapping.descrList[selectedPos].first;
     else
     {
@@ -117,7 +117,7 @@ template <class Enum> void updateTooltipEnumVal(const EnumDescrList<Enum>& mappi
 {
     const int selectedPos = ctrl.GetSelection();
 
-    if (0 <= selectedPos && selectedPos < static_cast<int>(mapping.descrList.size()))
+    if (0 <= selectedPos && selectedPos < std::ssize(mapping.descrList))
     {
         if (const auto& [text, tooltip] = mapping.descrList[selectedPos].second;
             !tooltip.empty())
diff --git a/wx+/context_menu.h b/wx+/context_menu.h
index 7096da33..c53cec39 100644
--- a/wx+/context_menu.h
+++ b/wx+/context_menu.h
@@ -13,15 +13,14 @@
 #include <wx/menu.h>
 #include <wx/app.h>
 
-/*
-A context menu supporting lambda callbacks!
-
-Usage:
-    ContextMenu menu;
-    menu.addItem(L"Some Label", [&]{ ...do something... }); -> capture by reference is fine, as long as captured variables have at least scope of ContextMenu::popup()!
-    ...
-    menu.popup(wnd);
-*/
+/*  A context menu supporting lambda callbacks!
+
+    Usage:
+        ContextMenu menu;
+        menu.addItem(L"Some Label", [&]{ ...do something... }); -> capture by reference is fine, as long as captured variables have at least scope of ContextMenu::popup()!
+        ...
+        menu.popup(wnd);                     */
+
 namespace zen
 {
 class ContextMenu : private wxEvtHandler
@@ -32,9 +31,11 @@ public:
     void addItem(const wxString& label, const std::function<void()>& command, const wxImage& img = wxNullImage, bool enabled = true)
     {
         wxMenuItem* newItem = new wxMenuItem(menu_.get(), wxID_ANY, label); //menu owns item!
-        if (img.IsOk()) newItem->SetBitmap(img); //do not set AFTER appending item! wxWidgets screws up for yet another crappy reason
+        if (img.IsOk())
+            newItem->SetBitmap(img); //do not set AFTER appending item! wxWidgets screws up for yet another crappy reason
         menu_->Append(newItem);
-        if (!enabled) newItem->Enable(false); //do not enable BEFORE appending item! wxWidgets screws up for yet another crappy reason
+        if (!enabled)
+            newItem->Enable(false); //do not enable BEFORE appending item! wxWidgets screws up for yet another crappy reason
         commandList_[newItem->GetId()] = command; //defer event connection, this may be a submenu only!
     }
 
@@ -42,7 +43,8 @@ public:
     {
         wxMenuItem* newItem = menu_->AppendCheckItem(wxID_ANY, label);
         newItem->Check(checked);
-        if (!enabled) newItem->Enable(false);
+        if (!enabled)
+            newItem->Enable(false);
         commandList_[newItem->GetId()] = command;
     }
 
@@ -50,7 +52,8 @@ public:
     {
         wxMenuItem* newItem = menu_->AppendRadioItem(wxID_ANY, label);
         newItem->Check(selected);
-        if (!enabled) newItem->Enable(false);
+        if (!enabled)
+            newItem->Enable(false);
         commandList_[newItem->GetId()] = command;
     }
 
@@ -65,16 +68,18 @@ public:
         submenu.menu_->SetNextHandler(menu_.get()); //on wxGTK submenu events are not propagated to their parent menu by default!
 
         wxMenuItem* newItem = new wxMenuItem(menu_.get(), wxID_ANY, label, L"", wxITEM_NORMAL, submenu.menu_.release()); //menu owns item, item owns submenu!
-        if (img.IsOk()) newItem->SetBitmap(img); //do not set AFTER appending item! wxWidgets screws up for yet another crappy reason
+        if (img.IsOk())
+            newItem->SetBitmap(img); //do not set AFTER appending item! wxWidgets screws up for yet another crappy reason
         menu_->Append(newItem);
-        if (!enabled) newItem->Enable(false);
+        if (!enabled)
+            newItem->Enable(false);
     }
 
     void popup(wxWindow& wnd, const wxPoint& pos = wxDefaultPosition) //show popup menu + process lambdas
     {
         //eventually all events from submenu items will be received by this menu
         for (const auto& [itemId, command] : commandList_)
-            menu_->Connect(itemId, wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(ContextMenu::onSelection), new GenericCommand(command) /*pass ownership*/, this);
+            menu_->Bind(wxEVT_COMMAND_MENU_SELECTED, [command /*clang bug*/= command](wxCommandEvent& event) { command(); }, itemId);
 
         wnd.PopupMenu(menu_.get(), pos);
         wxTheApp->ProcessPendingEvents(); //make sure lambdas are evaluated before going out of scope;
@@ -85,20 +90,8 @@ private:
     ContextMenu           (const ContextMenu&) = delete;
     ContextMenu& operator=(const ContextMenu&) = delete;
 
-    void onSelection(wxCommandEvent& event)
-    {
-        if (auto cmd = dynamic_cast<GenericCommand*>(event.m_callbackUserData))
-            (cmd->fun_)();
-    }
-
-    struct GenericCommand : public wxObject
-    {
-        GenericCommand(const std::function<void()>& fun) : fun_(fun) {}
-        std::function<void()> fun_;
-    };
-
     std::unique_ptr<wxMenu> menu_ = std::make_unique<wxMenu>();
-    std::map<int, std::function<void()>> commandList_; //(item id, command)
+    std::map<int /*item id*/, std::function<void()> /*command*/> commandList_;
 };
 }
 
diff --git a/wx+/dc.h b/wx+/dc.h
index f1b92ad2..d4b68109 100644
--- a/wx+/dc.h
+++ b/wx+/dc.h
@@ -31,20 +31,36 @@ namespace zen
         BufferedPaintDC(wxWindow& wnd, std::unique_ptr<wxBitmap>& buffer)
     };                                                                */
 
-
 inline
 void clearArea(wxDC& dc, const wxRect& rect, const wxColor& col)
 {
     if (rect.width  > 0 && //clearArea() is surprisingly expensive
         rect.height > 0)
-        {
-    wxDCPenChanger   dummy (dc, col);
-    wxDCBrushChanger dummy2(dc, col);
-    dc.DrawRectangle(rect);
+    {
+        //wxDC::DrawRectangle() just widens inner area if wxTRANSPARENT_PEN is used!
+        //bonus: wxTRANSPARENT_PEN is about 2x faster than redundantly drawing with col!
+        wxDCPenChanger   dummy (dc, *wxTRANSPARENT_PEN);
+        wxDCBrushChanger dummy2(dc, col);
+        dc.DrawRectangle(rect);
     }
 }
 
 
+//properly draw rectangle respecting high DPI (and avoiding wxPen position fuzzyness)
+inline
+void drawFilledRectangle(wxDC& dc, wxRect rect, int borderWidth, const wxColor& borderCol, const wxColor& innerCol)
+{
+    assert(borderCol.IsSolid() && innerCol.IsSolid());
+    wxDCPenChanger   graphPen  (dc, *wxTRANSPARENT_PEN);
+    wxDCBrushChanger graphBrush(dc, borderCol);
+    dc.DrawRectangle(rect);
+    rect.Deflate(borderWidth); //attention, more wxWidgets design mistakes: behavior of wxRect::Deflate depends on object being const/non-const!!!
+
+    dc.SetBrush(innerCol);
+    dc.DrawRectangle(rect);
+}
+
+
 /* Standard DPI:
      Windows/Ubuntu: 96 x 96
      macOS: wxWidgets uses DIP (note: wxScreenDC().GetPPI() returns 72 x 72 which is a lie; looks like 96 x 96)       */
@@ -52,17 +68,14 @@ void clearArea(wxDC& dc, const wxRect& rect, const wxColor& col)
 inline
 int fastFromDIP(int d) //like wxWindow::FromDIP (but tied to primary monitor and buffered)
 {
-#ifdef wxHAVE_DPI_INDEPENDENT_PIXELS //pulled from wx/window.h: https://github.com/wxWidgets/wxWidgets/blob/master/include/wx/window.h#L2029
-    return d; //e.g. macOS, GTK3
-#else //https://github.com/wxWidgets/wxWidgets/blob/master/src/common/wincmn.cpp#L2865
-    static_assert(GTK_MAJOR_VERSION == 2);
+#ifndef wxHAVE_DPI_INDEPENDENT_PIXELS
+#error why is wxHAVE_DPI_INDEPENDENT_PIXELS not defined?
+#endif
     //GTK2 doesn't properly support high DPI: https://freefilesync.org/forum/viewtopic.php?t=6114
     //=> requires general fix at wxWidgets-level
-    assert(wxTheApp); //only call after wxWidgets was initalized!
-    static const int dpiY = wxScreenDC().GetPPI().y; //perf: buffering for calls to ::GetDeviceCaps() needed!?
-    const int defaultDpi = 96;
-    return 1.0 * d * dpiY / defaultDpi + 0.49 /*round values like 1.5 down, e.g. 1 pixel on 150% scale*/;
-#endif
+
+    //https://github.com/wxWidgets/wxWidgets/blob/d9d05c2bb201078f5e762c42458ca2f74af5b322/include/wx/window.h#L2060
+    return d; //e.g. macOS, GTK3
 }
 
 
@@ -74,8 +87,8 @@ class RecursiveDcClipper
 public:
     RecursiveDcClipper(wxDC& dc, const wxRect& r) : dc_(dc)
     {
-        if (auto it = clippingAreas.find(&dc);
-            it != clippingAreas.end())
+        if (auto it = clippingAreas_.find(&dc);
+            it != clippingAreas_.end())
         {
             oldRect_ = it->second;
 
@@ -87,7 +100,7 @@ public:
         else
         {
             dc_.SetClippingRegion(r);
-            clippingAreas.emplace(&dc_, r);
+            clippingAreas_.emplace(&dc_, r);
         }
     }
 
@@ -97,10 +110,10 @@ public:
         if (oldRect_)
         {
             dc_.SetClippingRegion(*oldRect_);
-            clippingAreas[&dc_] = *oldRect_;
+            clippingAreas_[&dc_] = *oldRect_;
         }
         else
-            clippingAreas.erase(&dc_);
+            clippingAreas_.erase(&dc_);
     }
 
 private:
@@ -108,7 +121,7 @@ private:
     RecursiveDcClipper& operator=(const RecursiveDcClipper&) = delete;
 
     //associate "active" clipping area with each DC
-    inline static std::unordered_map<wxDC*, wxRect> clippingAreas;
+    inline static std::unordered_map<wxDC*, wxRect> clippingAreas_;
 
     std::optional<wxRect> oldRect_;
     wxDC& dc_;
diff --git a/wx+/file_drop.cpp b/wx+/file_drop.cpp
index 938f9dbd..42cfbd3d 100644
--- a/wx+/file_drop.cpp
+++ b/wx+/file_drop.cpp
@@ -13,7 +13,10 @@
 using namespace zen;
 
 
-const wxEventType zen::EVENT_DROP_FILE = wxNewEventType();
+namespace zen
+{
+wxDEFINE_EVENT(EVENT_DROP_FILE, FileDropEvent);
+}
 
 
 
@@ -23,7 +26,7 @@ namespace
 class WindowDropTarget : public wxFileDropTarget
 {
 public:
-    WindowDropTarget(const wxWindow& dropWindow) : dropWindow_(dropWindow) {}
+    explicit WindowDropTarget(const wxWindow& dropWindow) : dropWindow_(dropWindow) {}
 
 private:
     wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def) override
diff --git a/wx+/file_drop.h b/wx+/file_drop.h
index 0a1089fc..e5de8f95 100644
--- a/wx+/file_drop.h
+++ b/wx+/file_drop.h
@@ -16,47 +16,29 @@
 
 namespace zen
 {
-//register simple file drop event (without issue of freezing dialogs and without wxFileDropTarget overdesign)
-//CAVEAT: a drop target window must not be directly or indirectly contained within a wxStaticBoxSizer until the following wxGTK bug
-//is fixed. According to wxWidgets release cycles this is expected to be: never http://trac.wxwidgets.org/ticket/2763
+/*  register simple file drop event (without issue of freezing dialogs and without wxFileDropTarget overdesign)
+    CAVEAT: a drop target window must not be directly or indirectly contained within a wxStaticBoxSizer until the following wxGTK bug
+    is fixed. According to wxWidgets release cycles this is expected to be: never http://trac.wxwidgets.org/ticket/2763
 
-/*
-1. setup a window to emit EVENT_DROP_FILE:
-    - simple file system paths:        setupFileDrop
-    - any shell paths with validation: setupShellItemDrop
+    1. setup a window to emit EVENT_DROP_FILE:
+        - simple file system paths:        setupFileDrop
+        - any shell paths with validation: setupShellItemDrop
 
-2. register events:
-wnd.Connect   (EVENT_DROP_FILE, FileDropEventHandler(MyDlg::OnFilesDropped), nullptr, this);
-wnd.Disconnect(EVENT_DROP_FILE, FileDropEventHandler(MyDlg::OnFilesDropped), nullptr, this);
+    2. register events:
+        wnd.Bind(EVENT_DROP_FILE, [this](FileDropEvent& event) { onFilesDropped(event); });           */
+struct FileDropEvent;
+wxDECLARE_EVENT(EVENT_DROP_FILE, FileDropEvent);
 
-3. do something:
-void MyDlg::OnFilesDropped(FileDropEvent& event);
-*/
 
-extern const wxEventType EVENT_DROP_FILE;
-
-
-class FileDropEvent : public wxCommandEvent
+struct FileDropEvent : public wxEvent
 {
-public:
-    FileDropEvent(const std::vector<Zstring>& droppedPaths) : wxCommandEvent(EVENT_DROP_FILE), droppedPaths_(droppedPaths) { StopPropagation(); }
-
-    const std::vector<Zstring>& getPaths() const { return droppedPaths_; }
-
-private:
-    wxEvent* Clone() const override { return new FileDropEvent(*this); }
+    explicit FileDropEvent(const std::vector<Zstring>& droppedPaths) : wxEvent(0 /*winid*/, EVENT_DROP_FILE), itemPaths_(droppedPaths) {}
+    FileDropEvent* Clone() const override { return new FileDropEvent(*this); }
 
-    const std::vector<Zstring> droppedPaths_;
+    const std::vector<Zstring> itemPaths_;
 };
 
 
-using FileDropEventFunction = void (wxEvtHandler::*)(FileDropEvent&);
-
-#define FileDropEventHandler(func) \
-    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(FileDropEventFunction, &func)
-
-
-
 
 void setupFileDrop(wxWindow& dropWindow);
 }
diff --git a/wx+/graph.cpp b/wx+/graph.cpp
index f3805fca..7bd67504 100644
--- a/wx+/graph.cpp
+++ b/wx+/graph.cpp
@@ -10,6 +10,7 @@
 #include <numeric>
 #include <zen/basic_math.h>
 #include <zen/scope_guard.h>
+#include <zen/perf.h>
 #include "dc.h"
 
 using namespace zen;
@@ -17,7 +18,10 @@ using namespace zen;
 
 //todo: support zoom via mouse wheel?
 
-const wxEventType zen::wxEVT_GRAPH_SELECTION = wxNewEventType();
+namespace zen
+{
+wxDEFINE_EVENT(EVENT_GRAPH_SELECTION, GraphSelectEvent);
+}
 
 
 double zen::nextNiceNumber(double blockSize) //round to next number which is a convenient to read block size
@@ -44,26 +48,18 @@ wxColor getDefaultColor(size_t pos)
 {
     switch (pos % 10)
     {
-        case 0:
-            return { 0, 69, 134 }; //blue
-        case 1:
-            return { 255, 66, 14 }; //red
-        case 2:
-            return { 255, 211, 32 }; //yellow
-        case 3:
-            return { 87, 157, 28 }; //green
-        case 4:
-            return { 126, 0, 33 }; //royal
-        case 5:
-            return { 131, 202, 255 }; //light blue
-        case 6:
-            return { 49, 64, 4 }; //dark green
-        case 7:
-            return { 174, 207, 0 }; //light green
-        case 8:
-            return { 75, 31, 111 }; //purple
-        case 9:
-            return { 255, 149, 14 }; //orange
+        //*INDENT-OFF*
+        case 0: return {   0,  69, 134 }; //blue
+        case 1: return { 255,  66,  14 }; //red
+        case 2: return { 255, 211,  32 }; //yellow
+        case 3: return {  87, 157,  28 }; //green
+        case 4: return { 126,   0,  33 }; //royal
+        case 5: return { 131, 202, 255 }; //light blue
+        case 6: return {  49,  64,   4 }; //dark green
+        case 7: return { 174, 207,   0 }; //light green
+        case 8: return {  75,  31, 111 }; //purple
+        case 9: return { 255, 149,  14 }; //orange
+        //*INDENT-ON*
     }
     assert(false);
     return *wxBLACK;
@@ -228,7 +224,7 @@ void drawCornerText(wxDC& dc, const wxRect& graphArea, const wxString& txt, Grap
 
     //add text shadow to improve readability:
     wxDCTextColourChanger textColor(dc, colorBack);
-    dc.DrawText(txt, drawPos + border + wxSize(fastFromDIP(1), fastFromDIP(1)));
+    dc.DrawText(txt, drawPos + border + wxSize(1, 1) /*better without fastFromDIP()?*/);
 
     textColor.Set(colorText);
     dc.DrawText(txt, drawPos + border);
@@ -292,7 +288,7 @@ struct GetIntersectionX
     {
         const double deltaX = to.x - from.x;
         const double deltaY = to.y - from.y;
-        return numeric::isNull(deltaX) ? to : CurvePoint(x_, from.y + (x_ - from.x) / deltaX * deltaY);
+        return numeric::isNull(deltaX) ? to : CurvePoint{x_, from.y + (x_ - from.x) / deltaX * deltaY};
     }
 
 private:
@@ -306,7 +302,7 @@ struct GetIntersectionY
     {
         const double deltaX = to.x - from.x;
         const double deltaY = to.y - from.y;
-        return numeric::isNull(deltaY) ? to : CurvePoint(from.x + (y_ - from.y) / deltaY * deltaX, y_);
+        return numeric::isNull(deltaY) ? to : CurvePoint{from.x + (y_ - from.y) / deltaY * deltaX, y_};
     }
 
 private:
@@ -350,7 +346,7 @@ std::vector<CurvePoint> ContinuousCurveData::getPoints(double minX, double maxX,
         for (int i = posFrom; i <= posTo; ++i)
         {
             const double x = cvrtX.screenToReal(i);
-            points.emplace_back(x, getValue(x));
+            points.emplace_back(CurvePoint{x, getValue(x)});
         }
     }
     return points;
@@ -375,7 +371,7 @@ std::vector<CurvePoint> SparseCurveData::getPoints(double minX, double maxX, con
 
             if (addSteps_)
                 if (pt.y != points.back().y)
-                    points.emplace_back(CurvePoint(pt.x, points.back().y)); //[!] aliasing parameter not yet supported via emplace_back: VS bug! => make copy
+                    points.emplace_back(CurvePoint{pt.x, points.back().y}); //[!] aliasing parameter not yet supported via emplace_back: VS bug! => make copy
         }
         points.push_back(pt);
     };
@@ -393,9 +389,9 @@ std::vector<CurvePoint> SparseCurveData::getPoints(double minX, double maxX, con
         const int posGe = ptGe ? cvrtX.realToScreenRound(ptGe->x) : i - 1;
         assert(!ptLe || posLe <= i); //check for invalid return values
         assert(!ptGe || posGe >= i); //
-        /*
-        Breakdown of all combinations of posLe, posGe and expected action (n >= 1)
-        Note: For every empty x-range of at least one pixel, both next and previous points must be saved to keep the interpolating line stable!!!
+
+        /* Breakdown of all combinations of posLe, posGe and expected action (n >= 1)
+           Note: For every empty x-range of at least one pixel, both next and previous points must be saved to keep the interpolating line stable!!!
 
           posLe | posGe | action
         +-------+-------+--------
@@ -410,8 +406,7 @@ std::vector<CurvePoint> SparseCurveData::getPoints(double minX, double maxX, con
         | none  | i + n | save ptGe; jump to position posGe + 1
         |   i   | i + n | save ptLe; if n == 1: continue; else: save ptGe; jump to position posGe + 1
         | i - n | i + n | save ptLe, ptGe; jump to position posGe + 1
-        +-------+-------+--------
-        */
+        +-------+-------+--------                                                               */
         if (posGe < i)
         {
             if (posLe == i)
@@ -448,18 +443,18 @@ Graph2D::Graph2D(wxWindow* parent,
                  long style,
                  const wxString& name) : wxPanel(parent, winid, pos, size, style, name)
 {
-    Connect(wxEVT_PAINT, wxPaintEventHandler(Graph2D::onPaintEvent), nullptr, this);
-    Connect(wxEVT_SIZE,  wxSizeEventHandler (Graph2D::onSizeEvent ), nullptr, this);
+    Bind(wxEVT_PAINT, [this](wxPaintEvent& event) { onPaintEvent(event); });
+    Bind(wxEVT_SIZE,  [this](wxSizeEvent& event) { Refresh(); event.Skip(); });
     Bind(wxEVT_ERASE_BACKGROUND, [](wxEraseEvent& event) {}); //https://wiki.wxwidgets.org/Flicker-Free_Drawing
 
     //SetDoubleBuffered(true); slow as hell!
 
     SetBackgroundStyle(wxBG_STYLE_PAINT);
 
-    Connect(wxEVT_LEFT_DOWN, wxMouseEventHandler(Graph2D::OnMouseLeftDown), nullptr, this);
-    Connect(wxEVT_MOTION,    wxMouseEventHandler(Graph2D::OnMouseMovement), nullptr, this);
-    Connect(wxEVT_LEFT_UP,   wxMouseEventHandler(Graph2D::OnMouseLeftUp),   nullptr, this);
-    Connect(wxEVT_MOUSE_CAPTURE_LOST, wxMouseCaptureLostEventHandler(Graph2D::OnMouseCaptureLost), nullptr, this);
+    Bind(wxEVT_LEFT_DOWN,          [this](wxMouseEvent& event) { onMouseLeftDown(event); });
+    Bind(wxEVT_MOTION,             [this](wxMouseEvent& event) { onMouseMovement(event); });
+    Bind(wxEVT_LEFT_UP,            [this](wxMouseEvent& event) { onMouseLeftUp  (event); });
+    Bind(wxEVT_MOUSE_CAPTURE_LOST, [this](wxMouseCaptureLostEvent& event) { onMouseCaptureLost(event); });
 }
 
 
@@ -471,7 +466,7 @@ void Graph2D::onPaintEvent(wxPaintEvent& event)
 }
 
 
-void Graph2D::OnMouseLeftDown(wxMouseEvent& event)
+void Graph2D::onMouseLeftDown(wxMouseEvent& event)
 {
     activeSel_ = std::make_unique<MouseSelection>(*this, event.GetPosition());
 
@@ -481,7 +476,7 @@ void Graph2D::OnMouseLeftDown(wxMouseEvent& event)
 }
 
 
-void Graph2D::OnMouseMovement(wxMouseEvent& event)
+void Graph2D::onMouseMovement(wxMouseEvent& event)
 {
     if (activeSel_.get())
     {
@@ -491,7 +486,7 @@ void Graph2D::OnMouseMovement(wxMouseEvent& event)
 }
 
 
-void Graph2D::OnMouseLeftUp(wxMouseEvent& event)
+void Graph2D::onMouseLeftUp(wxMouseEvent& event)
 {
     if (activeSel_.get())
     {
@@ -510,7 +505,7 @@ void Graph2D::OnMouseLeftUp(wxMouseEvent& event)
 }
 
 
-void Graph2D::OnMouseCaptureLost(wxMouseCaptureLostEvent& event)
+void Graph2D::onMouseCaptureLost(wxMouseCaptureLostEvent& event)
 {
     activeSel_.reset();
     Refresh();
@@ -546,15 +541,14 @@ void Graph2D::render(wxDC& dc) const
     //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 
     const int xLabelHeight = attr_.xLabelHeight ? *attr_.xLabelHeight : GetCharHeight() + fastFromDIP(2) /*margin*/;
-    const int yLabelWidth  = attr_.yLabelWidth  ? *attr_.yLabelWidth  : dc.GetTextExtent(L"1,23457e+07").x;
-
-    /*
-    -----------------------
-    |        |   x-label  |
-    -----------------------
-    |y-label | graph area |
-    |----------------------
-    */
+    const int yLabelWidth  = attr_.yLabelWidth  ? *attr_.yLabelWidth  : dc.GetTextExtent(L"1.23457e+07").x;
+
+    /*  -----------------------
+        |        |   x-label  |
+        -----------------------
+        |y-label | graph area |
+        |----------------------  */
+
     wxRect graphArea  = clientRect;
     int xLabelPosY = clientRect.y;
     int yLabelPosX = clientRect.x;
@@ -589,15 +583,9 @@ void Graph2D::render(wxDC& dc) const
     assert(attr_.labelposX == LABEL_X_NONE || attr_.labelFmtX);
     assert(attr_.labelposY == LABEL_Y_NONE || attr_.labelFmtY);
 
-    {
-        //paint graph background (excluding label area)
-        wxDCPenChanger   dummy (dc, wxPen(getBorderColor(), fastFromDIP(1)));
-        wxDCBrushChanger dummy2(dc, attr_.colorBack);
-        //accessibility: consider system text and background colors; small drawback: color of graphs is NOT connected to the background! => responsibility of client to use correct colors
-
-        dc.DrawRectangle(graphArea);
-        graphArea.Deflate(1, 1); //attention more wxWidgets design mistakes: behavior of wxRect::Deflate depends on object being const/non-const!!!
-    }
+    //paint graph background (excluding label area)
+    drawFilledRectangle(dc, graphArea, fastFromDIP(1), getBorderColor(), attr_.colorBack);
+    graphArea.Deflate(fastFromDIP(1));
 
     //set label areas respecting graph area border!
     const wxRect xLabelArea(graphArea.x, xLabelPosY, graphArea.width, xLabelHeight);
@@ -691,8 +679,8 @@ void Graph2D::render(wxDC& dc) const
                 if (curves_[index].second.fillMode == CurveAttributes::FILL_CURVE)
                     if (!cp.empty())
                     {
-                        cp.emplace_back(CurvePoint(cp.back ().x, minY)); //add lower right and left corners
-                        cp.emplace_back(CurvePoint(cp.front().x, minY)); //[!] aliasing parameter not yet supported via emplace_back: VS bug! => make copy
+                        cp.emplace_back(CurvePoint{cp.back ().x, minY}); //add lower right and left corners
+                        cp.emplace_back(CurvePoint{cp.front().x, minY}); //[!] aliasing parameter not yet supported via emplace_back: VS bug! => make copy
                         oobMarker[index].back() = true;
                         oobMarker[index].push_back(true);
                         oobMarker[index].push_back(true);
@@ -733,26 +721,26 @@ void Graph2D::render(wxDC& dc) const
                 widen(&screenFromY, &screenToY);
 
                 //save current selection as "double" coordinates
-                activeSel_->refSelection().from = CurvePoint(cvrtX.screenToReal(screenFromX),
-                                                             cvrtY.screenToReal(screenFromY));
+                activeSel_->refSelection().from = CurvePoint{cvrtX.screenToReal(screenFromX),
+                                                             cvrtY.screenToReal(screenFromY)};
 
-                activeSel_->refSelection().to = CurvePoint(cvrtX.screenToReal(screenToX),
-                                                           cvrtY.screenToReal(screenToY));
+                activeSel_->refSelection().to = CurvePoint{cvrtX.screenToReal(screenToX),
+                                                           cvrtY.screenToReal(screenToY)};
             }
 
             //#################### begin drawing ####################
             //1. draw colored area under curves
             for (auto it = curves_.begin(); it != curves_.end(); ++it)
                 if (it->second.fillMode != CurveAttributes::FILL_NONE)
-                {
-                    const std::vector<wxPoint>& points = drawPoints[it - curves_.begin()];
-                    if (points.size() >= 3)
+                    if (const std::vector<wxPoint>& points = drawPoints[it - curves_.begin()];
+                        points.size() >= 3)
                     {
-                        wxDCBrushChanger dummy(dc, it->second.fillColor);
-                        wxDCPenChanger dummy2(dc, wxPen(it->second.fillColor, fastFromDIP(1)));
+                        //wxDC::DrawPolygon() draws *transparent* border if wxTRANSPARENT_PEN is used!
+                        //unlike wxDC::DrawRectangle() which just widens inner area!
+                        wxDCPenChanger   dummy (dc, wxPen(it->second.fillColor, 1 /*[!] width*/));
+                        wxDCBrushChanger dummy2(dc, it->second.fillColor);
                         dc.DrawPolygon(static_cast<int>(points.size()), &points[0]);
                     }
-                }
 
             //2. draw all currently set mouse selections (including active selection)
             std::vector<SelectionBlock> allSelections = oldSel_;
diff --git a/wx+/graph.h b/wx+/graph.h
index f1f0c76c..a6e99200 100644
--- a/wx+/graph.h
+++ b/wx+/graph.h
@@ -19,26 +19,19 @@
 //elegant 2D graph as wxPanel specialization
 namespace zen
 {
-/*
-Example:
-    //init graph (optional)
+/*  //init graph (optional)
     m_panelGraph->setAttributes(Graph2D::MainAttributes().
                                 setLabelX(Graph2D::LABEL_X_BOTTOM, 20, std::make_shared<LabelFormatterTimeElapsed>()).
                                 setLabelY(Graph2D::LABEL_Y_RIGHT,  60, std::make_shared<LabelFormatterBytes>()));
     //set graph data
     std::shared_ptr<CurveData> curveDataBytes_ = ...
-    m_panelGraph->setCurve(curveDataBytes_, Graph2D::CurveAttributes().setLineWidth(2).setColor(wxColor(0, 192, 0)));
-*/
+    m_panelGraph->setCurve(curveDataBytes_, Graph2D::CurveAttributes().setLineWidth(2).setColor(wxColor(0, 192, 0)));              */
 
 struct CurvePoint
 {
-    CurvePoint() {}
-    CurvePoint(double xVal, double yVal) : x(xVal), y(yVal) {}
     double x = 0;
     double y = 0;
 };
-inline bool operator==(const CurvePoint& lhs, const CurvePoint& rhs) { return lhs.x == rhs.x && lhs.y == rhs.y; }
-inline bool operator!=(const CurvePoint& lhs, const CurvePoint& rhs) { return !(lhs == rhs); }
 
 
 struct CurveData
@@ -84,7 +77,7 @@ private:
         const size_t sz = getSize();
         const size_t pos = std::min<ptrdiff_t>(std::floor(x), sz - 1); //[!] expect unsigned underflow if empty!
         if (pos < sz)
-            return CurvePoint(pos, getValue(pos));
+            return CurvePoint{1.0 * pos, getValue(pos)};
         return {};
     }
 
@@ -92,7 +85,7 @@ private:
     {
         const size_t pos = std::max<ptrdiff_t>(std::ceil(x), 0); //[!] use std::max with signed type!
         if (pos < getSize())
-            return CurvePoint(pos, getValue(pos));
+            return CurvePoint{1.0 * pos, getValue(pos)};
         return {};
     }
 };
@@ -131,12 +124,11 @@ struct DecimalNumberFormatter : public LabelFormatter
 };
 
 //------------------------------------------------------------------------------------------------------------
+//example: wnd.Bind(EVENT_GRAPH_SELECTION, [this](GraphSelectEvent& event) { onGraphSelect(event); });
 
-//emit data selection event
-//Usage: wnd.Connect(wxEVT_GRAPH_SELECTION, GraphSelectEventHandler(MyDlg::OnGraphSelection), nullptr, this);
-//       void MyDlg::OnGraphSelection(GraphSelectEvent& event);
+struct GraphSelectEvent;
+wxDECLARE_EVENT(EVENT_GRAPH_SELECTION, GraphSelectEvent);
 
-extern const wxEventType wxEVT_GRAPH_SELECTION;
 
 struct SelectionBlock
 {
@@ -144,23 +136,13 @@ struct SelectionBlock
     CurvePoint to;
 };
 
-class GraphSelectEvent : public wxCommandEvent
+struct GraphSelectEvent : public wxEvent
 {
-public:
-    GraphSelectEvent(const SelectionBlock& selBlock) : wxCommandEvent(wxEVT_GRAPH_SELECTION), selBlock_(selBlock) {}
-    wxEvent* Clone() const override { return new GraphSelectEvent(selBlock_); }
-
-    SelectionBlock getSelection() { return selBlock_; }
+    explicit GraphSelectEvent(const SelectionBlock& selBlock) : wxEvent(0 /*winid*/, EVENT_GRAPH_SELECTION), selectBlock_(selBlock) {}
+    GraphSelectEvent* Clone() const override { return new GraphSelectEvent(*this); }
 
-private:
-    SelectionBlock selBlock_;
+    SelectionBlock selectBlock_;
 };
-
-using GraphSelectEventFunction = void (wxEvtHandler::*)(GraphSelectEvent&);
-
-#define GraphSelectEventHandler(func) \
-    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(GraphSelectEventFunction, &func)
-
 //------------------------------------------------------------------------------------------------------------
 
 class Graph2D : public wxPanel
@@ -171,7 +153,7 @@ public:
             const wxPoint& pos   = wxDefaultPosition,
             const wxSize& size   = wxDefaultSize,
             long style           = wxTAB_TRAVERSAL | wxNO_BORDER,
-            const wxString& name = wxPanelNameStr);
+            const wxString& name = wxASCII_STR(wxPanelNameStr));
 
     class CurveAttributes
     {
@@ -288,6 +270,8 @@ public:
 
         std::map<PosCorner, wxString> cornerTexts;
 
+        //accessibility: consider system text and background colors;
+        //small drawback: color of graphs is NOT connected to the background! => responsibility of client to use correct colors
         wxColor colorText = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
         wxColor colorBack = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 
@@ -308,13 +292,12 @@ public:
     void clearSelection() { oldSel_.clear(); Refresh(); }
 
 private:
-    void OnMouseLeftDown(wxMouseEvent& event);
-    void OnMouseMovement(wxMouseEvent& event);
-    void OnMouseLeftUp  (wxMouseEvent& event);
-    void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);
+    void onMouseLeftDown(wxMouseEvent& event);
+    void onMouseMovement(wxMouseEvent& event);
+    void onMouseLeftUp  (wxMouseEvent& event);
+    void onMouseCaptureLost(wxMouseCaptureLostEvent& event);
 
     void onPaintEvent(wxPaintEvent& event);
-    void onSizeEvent(wxSizeEvent& event) { Refresh(); event.Skip(); }
 
     void render(wxDC& dc) const;
 
diff --git a/wx+/grid.cpp b/wx+/grid.cpp
index 3f1599f3..80c9aaf1 100644
--- a/wx+/grid.cpp
+++ b/wx+/grid.cpp
@@ -55,8 +55,7 @@ const int COLUMN_MOVE_MARKER_WIDTH_DIP   =  3;
 
 const bool fillGapAfterColumns = true; //draw rows/column label to fill full window width; may become an instance variable some time?
 
-/*
-IsEnabled() vs IsThisEnabled() since wxWidgets 2.9.5:
+/* IsEnabled() vs IsThisEnabled() since wxWidgets 2.9.5:
 
 void wxWindowBase::NotifyWindowOnEnableChange(), called from bool wxWindowBase::Enable(), fails to refresh
 child elements when disabling a IsTopLevel() dialog, e.g. when showing a modal dialog.
@@ -73,8 +72,7 @@ The perfect solution would be a bool renderAsEnabled() { return "IsEnabled() but
 However "IsThisEnabled()" is good enough (same like the old IsEnabled() on wxWidgets 2.8.12) and it avoids this pathetic behavior on XP.
 (Similar problem on Win 7: e.g. directly click sync button without comparing first)
 
-=> 2018-07-30: roll our own:
-*/
+=> 2018-07-30: roll our own:                            */
 bool renderAsEnabled(wxWindow& win)
 {
     if (win.IsTopLevel())
@@ -88,25 +86,39 @@ bool renderAsEnabled(wxWindow& win)
 }
 
 //----------------------------------------------------------------------------------------------------------------
-const wxEventType zen::EVENT_GRID_MOUSE_LEFT_DOUBLE     = wxNewEventType();
-const wxEventType zen::EVENT_GRID_MOUSE_LEFT_DOWN       = wxNewEventType();
-const wxEventType zen::EVENT_GRID_MOUSE_LEFT_UP         = wxNewEventType();
-const wxEventType zen::EVENT_GRID_MOUSE_RIGHT_DOWN      = wxNewEventType();
-const wxEventType zen::EVENT_GRID_MOUSE_RIGHT_UP        = wxNewEventType();
-const wxEventType zen::EVENT_GRID_SELECT_RANGE          = wxNewEventType();
-const wxEventType zen::EVENT_GRID_COL_LABEL_MOUSE_LEFT  = wxNewEventType();
-const wxEventType zen::EVENT_GRID_COL_LABEL_MOUSE_RIGHT = wxNewEventType();
-const wxEventType zen::EVENT_GRID_COL_RESIZE            = wxNewEventType();
+namespace zen
+{
+wxDEFINE_EVENT(EVENT_GRID_MOUSE_LEFT_DOUBLE, GridClickEvent);
+wxDEFINE_EVENT(EVENT_GRID_MOUSE_LEFT_DOWN,   GridClickEvent);
+wxDEFINE_EVENT(EVENT_GRID_MOUSE_RIGHT_DOWN,  GridClickEvent);
+wxDEFINE_EVENT(EVENT_GRID_SELECT_RANGE, GridSelectEvent);
+wxDEFINE_EVENT(EVENT_GRID_COL_LABEL_MOUSE_LEFT,  GridLabelClickEvent);
+wxDEFINE_EVENT(EVENT_GRID_COL_LABEL_MOUSE_RIGHT, GridLabelClickEvent);
+wxDEFINE_EVENT(EVENT_GRID_COL_RESIZE, GridColumnResizeEvent);
+wxDEFINE_EVENT(EVENT_GRID_CONTEXT_MENU, GridContextMenuEvent);
+}
 //----------------------------------------------------------------------------------------------------------------
 
 void GridData::renderRowBackgound(wxDC& dc, const wxRect& rect, size_t row, bool enabled, bool selected)
 {
-    drawCellBackground(dc, rect, enabled, selected, wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+    if (enabled)
+    {
+        if (selected)
+            dc.GradientFillLinear(rect, getColorSelectionGradientFrom(), getColorSelectionGradientTo(), wxEAST);
+        else
+            clearArea(dc, rect, wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+    }
+    else
+        clearArea(dc, rect, wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
 }
 
 
 void GridData::renderCell(wxDC& dc, const wxRect& rect, size_t row, ColumnType colType, bool enabled, bool selected, HoverArea rowHover)
 {
+    wxDCTextColourChanger textColor(dc);
+    if (enabled && selected) //accessibility: always set *both* foreground AND background colors!
+        textColor.Set(*wxBLACK);
+
     wxRect rectTmp = drawCellBorder(dc, rect);
 
     rectTmp.x     += getColumnGapLeft();
@@ -131,20 +143,6 @@ wxRect GridData::drawCellBorder(wxDC& dc, const wxRect& rect) //returns remainin
 }
 
 
-void GridData::drawCellBackground(wxDC& dc, const wxRect& rect, bool enabled, bool selected, const wxColor& backgroundColor)
-{
-    if (enabled)
-    {
-        if (selected)
-            dc.GradientFillLinear(rect, getColorSelectionGradientFrom(), getColorSelectionGradientTo(), wxEAST);
-        else
-            clearArea(dc, rect, backgroundColor);
-    }
-    else
-        clearArea(dc, rect, wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
-}
-
-
 void GridData::drawCellText(wxDC& dc, const wxRect& rect, const std::wstring& text, int alignment, const wxSize* textExtentHint)
 {
     /* Performance Notes (Windows):
@@ -270,37 +268,37 @@ class Grid::SubWindow : public wxWindow
 {
 public:
     SubWindow(Grid& parent) :
-        wxWindow(&parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxWANTS_CHARS | wxBORDER_NONE, wxPanelNameStr),
+        wxWindow(&parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxWANTS_CHARS | wxBORDER_NONE, wxASCII_STR(wxPanelNameStr)),
         parent_(parent)
     {
-        Connect(wxEVT_PAINT, wxPaintEventHandler(SubWindow::onPaintEvent), nullptr, this);
-        Connect(wxEVT_SIZE,  wxSizeEventHandler (SubWindow::onSizeEvent),  nullptr, this);
+        Bind(wxEVT_PAINT, [this](wxPaintEvent& event) { onPaintEvent(event); });
+        Bind(wxEVT_SIZE,  [this](wxSizeEvent&  event) { Refresh(); event.Skip(); });
         Bind(wxEVT_ERASE_BACKGROUND, [](wxEraseEvent& event) {}); //https://wiki.wxwidgets.org/Flicker-Free_Drawing
 
         //SetDoubleBuffered(true); slow as hell!
 
         SetBackgroundStyle(wxBG_STYLE_PAINT);
 
-        Connect(wxEVT_SET_FOCUS,   wxFocusEventHandler(SubWindow::onFocus), nullptr, this);
-        Connect(wxEVT_KILL_FOCUS,  wxFocusEventHandler(SubWindow::onFocus), nullptr, this);
-        Connect(wxEVT_CHILD_FOCUS, wxEventHandler(SubWindow::onChildFocus), nullptr, this);
+        Bind(wxEVT_SET_FOCUS,   [this](wxFocusEvent&      event) { onFocus(event); });
+        Bind(wxEVT_KILL_FOCUS,  [this](wxFocusEvent&      event) { onFocus(event); });
+        Bind(wxEVT_CHILD_FOCUS, [](wxChildFocusEvent& event) {}); //wxGTK::wxScrolledWindow automatically scrolls to child window when child gets focus -> prevent!
 
-        Connect(wxEVT_LEFT_DOWN,    wxMouseEventHandler(SubWindow::onMouseLeftDown  ), nullptr, this);
-        Connect(wxEVT_LEFT_UP,      wxMouseEventHandler(SubWindow::onMouseLeftUp    ), nullptr, this);
-        Connect(wxEVT_LEFT_DCLICK,  wxMouseEventHandler(SubWindow::onMouseLeftDouble), nullptr, this);
-        Connect(wxEVT_RIGHT_DOWN,   wxMouseEventHandler(SubWindow::onMouseRightDown ), nullptr, this);
-        Connect(wxEVT_RIGHT_UP,     wxMouseEventHandler(SubWindow::onMouseRightUp   ), nullptr, this);
-        Connect(wxEVT_MOTION,       wxMouseEventHandler(SubWindow::onMouseMovement  ), nullptr, this);
-        Connect(wxEVT_LEAVE_WINDOW, wxMouseEventHandler(SubWindow::onLeaveWindow    ), nullptr, this);
-        Connect(wxEVT_MOUSEWHEEL,   wxMouseEventHandler(SubWindow::onMouseWheel     ), nullptr, this);
-        Connect(wxEVT_MOUSE_CAPTURE_LOST, wxMouseCaptureLostEventHandler(SubWindow::onMouseCaptureLost), nullptr, this);
+        Bind(wxEVT_LEFT_DOWN,    [this](wxMouseEvent& event) { onMouseLeftDown  (event); });
+        Bind(wxEVT_LEFT_UP,      [this](wxMouseEvent& event) { onMouseLeftUp    (event); });
+        Bind(wxEVT_LEFT_DCLICK,  [this](wxMouseEvent& event) { onMouseLeftDouble(event); });
+        Bind(wxEVT_RIGHT_DOWN,   [this](wxMouseEvent& event) { onMouseRightDown (event); });
+        Bind(wxEVT_RIGHT_UP,     [this](wxMouseEvent& event) { onMouseRightUp   (event); });
+        Bind(wxEVT_MOTION,       [this](wxMouseEvent& event) { onMouseMovement  (event); });
+        Bind(wxEVT_LEAVE_WINDOW, [this](wxMouseEvent& event) { onLeaveWindow    (event); });
+        Bind(wxEVT_MOUSEWHEEL,   [this](wxMouseEvent& event) { onMouseWheel     (event); });
+        Bind(wxEVT_MOUSE_CAPTURE_LOST, [this](wxMouseCaptureLostEvent& event) { onMouseCaptureLost(event); });
 
-        Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(SubWindow::onKeyDown), nullptr, this);
-        Connect(wxEVT_KEY_UP,   wxKeyEventHandler(SubWindow::onKeyUp  ), nullptr, this);
+        Bind(wxEVT_KEY_DOWN, [this](wxKeyEvent& event) { onKeyDown(event); });
+        Bind(wxEVT_KEY_UP,   [this](wxKeyEvent& event) { onKeyUp  (event); });
 
         assert(GetClientAreaOrigin() == wxPoint()); //generally assumed when dealing with coordinates below
     }
-    Grid& refParent() { return parent_; }
+    Grid&       refParent()       { return parent_; }
     const Grid& refParent() const { return parent_; }
 
     template <class T>
@@ -337,7 +335,6 @@ private:
     virtual void render(wxDC& dc, const wxRect& rect) = 0;
 
     virtual void onFocus(wxFocusEvent& event) { event.Skip(); }
-    virtual void onChildFocus(wxEvent& event) {} //wxGTK::wxScrolledWindow automatically scrolls to child window when child gets focus -> prevent!
 
     virtual void onMouseLeftDown  (wxMouseEvent& event) { event.Skip(); }
     virtual void onMouseLeftUp    (wxMouseEvent& event) { event.Skip(); }
@@ -362,19 +359,30 @@ private:
 
     void onMouseWheel(wxMouseEvent& event)
     {
-        /*
-          MSDN, WM_MOUSEWHEEL: "Sent to the focus window when the mouse wheel is rotated.
-          The DefWindowProc function propagates the message to the window's parent.
-          There should be no internal forwarding of the message, since DefWindowProc propagates
-          it up the parent chain until it finds a window that processes it."
+        /*  MSDN, WM_MOUSEWHEEL: "Sent to the focus window when the mouse wheel is rotated.
+            The DefWindowProc function propagates the message to the window's parent.
+            There should be no internal forwarding of the message, since DefWindowProc propagates
+            it up the parent chain until it finds a window that processes it."
 
-          On OS X there is no such propagation! => we need a redirection (the same wxGrid implements)
-         */
+            On OS X there is no such propagation! => we need a redirection (the same wxGrid implements)
 
-        //new wxWidgets 3.0 screw-up for GTK2: wxScrollHelperEvtHandler::ProcessEvent() ignores wxEVT_MOUSEWHEEL events
-        //thereby breaking the scenario of redirection to parent we need here (but also breaking their very own wxGrid sample)
-        //=> call wxScrolledWindow mouse wheel handler directly
-        parent_.HandleOnMouseWheel(event);
+            new wxWidgets 3.0 screw-up for GTK2: wxScrollHelperEvtHandler::ProcessEvent() ignores wxEVT_MOUSEWHEEL events
+            thereby breaking the scenario of redirection to parent we need here (but also breaking their very own wxGrid sample)
+            => call wxScrolledWindow mouse wheel handler directly                          */
+
+        //wxWidgets never ceases to amaze: multi-line scrolling is implemented maximally inefficient by repeating wxEVT_SCROLLWIN_LINEUP!! => WTF!
+        if (event.GetWheelAxis() == wxMOUSE_WHEEL_VERTICAL && //=> reimplement wxScrollHelperBase::HandleOnMouseWheel() in a non-retarded way
+            !event.IsPageScroll())
+        {
+            mouseRotateRemainder_ += -event.GetWheelRotation();
+            const int rotations = mouseRotateRemainder_ / event.GetWheelDelta();
+            mouseRotateRemainder_ -= rotations * event.GetWheelDelta();
+
+            const int rowsDelta = rotations * event.GetLinesPerAction();
+            parent_.scrollDelta(0, rowsDelta);
+        }
+        else
+            parent_.HandleOnMouseWheel(event);
 
         //if (!sendEventToParent(event))
         //   event.Skip();
@@ -392,14 +400,9 @@ private:
             render(dc, it.GetRect());
     }
 
-    void onSizeEvent(wxSizeEvent& event)
-    {
-        Refresh();
-        event.Skip();
-    }
-
     Grid& parent_;
     std::optional<wxBitmap> doubleBuffer_;
+    int mouseRotateRemainder_ = 0;
 };
 
 //----------------------------------------------------------------------------------------------------------------
@@ -432,7 +435,7 @@ private:
         dc.DrawLine(clientRect.GetBottomLeft(), clientRect.GetBottomRight());
 
         wxRect rectShrinked = clientRect;
-        rectShrinked.Deflate(1);
+        rectShrinked.Deflate(fastFromDIP(1));
         dc.SetPen(wxPen(*wxWHITE, fastFromDIP(1)));
 
         //dc.DrawLine(clientRect.GetTopLeft(), clientRect.GetTopRight() + wxPoint(1, 0));
@@ -528,7 +531,7 @@ private:
 
         //label text
         wxRect textRect = rect;
-        textRect.Deflate(1);
+        textRect.Deflate(fastFromDIP(1));
 
         GridData::drawCellText(dc, textRect, formatRow(row), wxALIGN_CENTRE);
 
@@ -657,7 +660,7 @@ private:
             const int clientWidth = GetClientSize().GetWidth(); //need reliable, stable width in contrast to rect.width
 
             if (totalWidth < clientWidth)
-                drawColumnLabel(dc, wxRect(labelAreaTL, wxSize(clientWidth - totalWidth, colLabelHeight)), absWidths.size(), ColumnType::NONE, enabled);
+                drawColumnLabel(dc, wxRect(labelAreaTL, wxSize(clientWidth - totalWidth, colLabelHeight)), absWidths.size(), ColumnType::none, enabled);
         }
     }
 
@@ -758,7 +761,7 @@ private:
                 const int bestWidth = refParent().getBestColumnSize(action->col); //return -1 on error
                 if (bestWidth >= 0)
                 {
-                    refParent().setColumnWidth(bestWidth, action->col, GridEventPolicy::ALLOW);
+                    refParent().setColumnWidth(bestWidth, action->col, GridEventPolicy::allow);
                     refParent().Refresh(); //refresh main grid as well!
                 }
             }
@@ -773,12 +776,12 @@ private:
             const int newWidth = activeResizing_->getStartWidth() + event.GetPosition().x - activeResizing_->getStartPosX();
 
             //set width tentatively
-            refParent().setColumnWidth(newWidth, col, GridEventPolicy::ALLOW);
+            refParent().setColumnWidth(newWidth, col, GridEventPolicy::allow);
 
             //check if there's a small gap after last column, if yes, fill it
             const int gapWidth = GetClientSize().GetWidth() - refParent().getColWidthsSum(GetClientSize().GetWidth());
             if (std::abs(gapWidth) < fastFromDIP(COLUMN_FILL_GAP_TOLERANCE_DIP))
-                refParent().setColumnWidth(newWidth + gapWidth, col, GridEventPolicy::ALLOW);
+                refParent().setColumnWidth(newWidth + gapWidth, col, GridEventPolicy::allow);
 
             refParent().Refresh(); //refresh columns on main grid as well!
         }
@@ -815,8 +818,8 @@ private:
         const std::wstring toolTip = [&]
         {
             const wxPoint absPos = refParent().CalcUnscrolledPosition(event.GetPosition());
-            const ColumnType colType = refParent().getColumnAtPos(absPos.x).colType; //returns ColumnType::NONE if no column at x position!
-            if (colType != ColumnType::NONE)
+            const ColumnType colType = refParent().getColumnAtPos(absPos.x).colType; //returns ColumnType::none if no column at x position!
+            if (colType != ColumnType::none)
                 if (auto prov = refParent().getDataProvider())
                     return prov->getToolTip(colType);
             return std::wstring();
@@ -846,7 +849,7 @@ private:
         else
             //notify right click (on free space after last column)
             if (fillGapAfterColumns)
-                sendEventToParent(GridLabelClickEvent(EVENT_GRID_COL_LABEL_MOUSE_RIGHT, ColumnType::NONE));
+                sendEventToParent(GridLabelClickEvent(EVENT_GRID_COL_LABEL_MOUSE_RIGHT, ColumnType::none));
 
         event.Skip();
     }
@@ -859,7 +862,7 @@ private:
 //----------------------------------------------------------------------------------------------------------------
 namespace
 {
-const wxEventType EVENT_GRID_HAS_SCROLLED = wxNewEventType(); //internal to Grid::MainWin::ScrollWindow()
+wxDEFINE_EVENT(EVENT_GRID_HAS_SCROLLED, wxCommandEvent);
 }
 //----------------------------------------------------------------------------------------------------------------
 
@@ -872,7 +875,7 @@ public:
         rowLabelWin_(rowLabelWin),
         colLabelWin_(colLabelWin)
     {
-        Connect(EVENT_GRID_HAS_SCROLLED, wxEventHandler(MainWin::onRequestWindowUpdate), nullptr, this);
+        Bind(EVENT_GRID_HAS_SCROLLED, [this](wxCommandEvent& event) { onRequestWindowUpdate(event); });
     }
 
     ~MainWin() { assert(!gridUpdatePending_); }
@@ -951,7 +954,7 @@ private:
         }
         else if (highlight_.row == row)
             return highlight_.rowHover;
-        return HoverArea::NONE;
+        return HoverArea::none;
     }
 
     bool drawAsSelected(size_t row) const
@@ -976,10 +979,14 @@ private:
     {
         if (auto prov = refParent().getDataProvider())
         {
+            wxClientDC dc(this);
+            dc.SetFont(GetFont());
+
+            const ptrdiff_t rowCount = refParent().getRowCount();
             const wxPoint     absPos = refParent().CalcUnscrolledPosition(event.GetPosition());
             const ptrdiff_t      row = rowLabelWin_.getRowAtPos(absPos.y); //return -1 for invalid position; >= rowCount if out of range
-            const ColumnPosInfo  cpi = refParent().getColumnAtPos(absPos.x); //returns ColumnType::NONE if no column at x position!
-            const HoverArea rowHover = prov->getRowMouseHover(row, cpi.colType, cpi.cellRelativePosX, cpi.colWidth);
+            const ColumnPosInfo  cpi = refParent().getColumnAtPos(absPos.x); //returns ColumnType::none if no column at x position!
+            const HoverArea rowHover = 0 <= row && row < rowCount ? prov->getRowMouseHover(dc, row, cpi.colType, cpi.cellRelativePosX, cpi.colWidth) : HoverArea::none;
             const wxPoint   mousePos = GetPosition() + event.GetPosition();
 
             //client is interested in all double-clicks, even those outside of the grid!
@@ -992,40 +999,58 @@ private:
     {
         if (auto prov = refParent().getDataProvider())
         {
+            onMouseMovement(event); //update highlight in obscure cases (e.g. right-click while context menu is open)
+
+            wxClientDC dc(this);
+            dc.SetFont(GetFont());
+
+            const ptrdiff_t rowCount = refParent().getRowCount();
             const wxPoint    absPos = refParent().CalcUnscrolledPosition(event.GetPosition());
             const ptrdiff_t     row = rowLabelWin_.getRowAtPos(absPos.y); //return -1 for invalid position; >= rowCount if out of range
-            const ColumnPosInfo cpi = refParent().getColumnAtPos(absPos.x); //returns ColumnType::NONE if no column at x position!
-            const HoverArea rowHover = prov->getRowMouseHover(row, cpi.colType, cpi.cellRelativePosX, cpi.colWidth);
+            const ColumnPosInfo cpi = refParent().getColumnAtPos(absPos.x); //returns ColumnType::none if no column at x position!
+            const HoverArea rowHover = 0 <= row && row < rowCount ? prov->getRowMouseHover(dc, row, cpi.colType, cpi.cellRelativePosX, cpi.colWidth) : HoverArea::none;
             const wxPoint   mousePos = GetPosition() + event.GetPosition();
-            //row < 0 possible!!! Pressing "Menu Key" simulates mouse-right-button down + up at position 0xffff/0xffff!
+
+            assert(row >= 0);
+            //row < 0 was possible in older wxWidgets: https://github.com/wxWidgets/wxWidgets/commit/2c69d27c0d225d3a331c773da466686153185320#diff-9f11c8f2cb1f734f7c0c1071aba491a5
+            //=> pressing "Menu Key" simulated mouse-right-button down + up at position 0xffff/0xffff!
 
             GridClickEvent mouseEvent(event.RightDown() ? EVENT_GRID_MOUSE_RIGHT_DOWN : EVENT_GRID_MOUSE_LEFT_DOWN, row, rowHover, mousePos);
-            if (!sendEventToParent(mouseEvent)) //allow client to swallow event!
+
+            freezeMouseHighlight_ = true; //e.g. while showing context menu
+            const bool processed = sendEventToParent(mouseEvent); //allow client to swallow event!
+            freezeMouseHighlight_ = false;
+
+            if (!processed)
             {
                 if (wxWindow::FindFocus() != this) //doesn't seem to happen automatically for right mouse button
                     SetFocus();
 
-                if (row >= 0)
-                    if (!event.RightDown() || !refParent().isSelected(row)) //do NOT start a new selection if user right-clicks on a selected area!
+                if (event.RightDown() && (row < 0 || refParent().isSelected(row))) //=> open context menu *immediately* and do *not* start a new selection
+                    sendEventToParent(GridContextMenuEvent(mousePos));
+                else if (row >= 0)
+                {
+                    if (event.ControlDown())
+                        activeSelection_ = std::make_unique<MouseSelection>(*this, row, !refParent().isSelected(row) /*positive*/, false /*gridWasCleared*/, mouseEvent);
+                    else if (event.ShiftDown())
                     {
-                        if (event.ControlDown())
-                            activeSelection_ = std::make_unique<MouseSelection>(*this, row, !refParent().isSelected(row) /*positive*/, false /*gridWasCleared*/, mouseEvent);
-                        else if (event.ShiftDown())
-                        {
-                            refParent().clearSelection(GridEventPolicy::DENY);
-                            activeSelection_ = std::make_unique<MouseSelection>(*this, selectionAnchor_, true /*positive*/, true /*gridWasCleared*/, mouseEvent);
-                        }
-                        else
-                        {
-                            refParent().clearSelection(GridEventPolicy::DENY);
-                            activeSelection_ = std::make_unique<MouseSelection>(*this, row, true /*positive*/, true /*gridWasCleared*/, mouseEvent);
-                            //DO NOT emit range event for clearing selection! would be inconsistent with keyboard handling (moving cursor neither emits range event)
-                            //and is also harmful when range event is considered a final action
-                            //e.g. cfg grid would prematurely show a modal dialog after changed config
-                        }
+                        refParent().clearSelection(GridEventPolicy::deny);
+                        activeSelection_ = std::make_unique<MouseSelection>(*this, selectionAnchor_, true /*positive*/, true /*gridWasCleared*/, mouseEvent);
                     }
-                Refresh();
+                    else
+                    {
+                        refParent().clearSelection(GridEventPolicy::deny);
+                        activeSelection_ = std::make_unique<MouseSelection>(*this, row, true /*positive*/, true /*gridWasCleared*/, mouseEvent);
+                        //DO NOT emit range event for clearing selection! would be inconsistent with keyboard handling (moving cursor neither emits range event)
+                        //and is also harmful when range event is considered a final action
+                        //e.g. cfg grid would prematurely show a modal dialog after changed config
+                    }
+                }
             }
+
+            //update mouse highlight (in case it was frozen above)
+            event.SetPosition(ScreenToClient(wxGetMousePosition())); //mouse position may have changed within above callbacks (e.g. context menu was shown)!
+            onMouseMovement(event);
         }
         event.Skip(); //allow changing focus
     }
@@ -1056,29 +1081,39 @@ private:
             const ptrdiff_t      rowTo      = activeSelection_->getCurrentRow();
             const bool           positive   = activeSelection_->isPositiveSelect();
             const GridClickEvent mouseClick = activeSelection_->getFirstClick();
+            assert((mouseClick.GetEventType() == EVENT_GRID_MOUSE_RIGHT_DOWN) == event.RightUp());
 
             activeSelection_.reset(); //release mouse capture *before* sending the event (which might show a modal popup dialog requiring the mouse!!!)
 
-            refParent().selectRange(rowFrom, rowTo, positive, &mouseClick, GridEventPolicy::ALLOW);
-        }
+            refParent().selectRange(rowFrom, rowTo, positive, &mouseClick, GridEventPolicy::allow);
 
-        if (auto prov = refParent().getDataProvider())
-        {
-            //this one may point to row which is not in visible area!
-            const wxPoint    absPos = refParent().CalcUnscrolledPosition(event.GetPosition());
-            const ptrdiff_t     row = rowLabelWin_.getRowAtPos(absPos.y); //return -1 for invalid position; >= rowCount if out of range
-            const ColumnPosInfo cpi = refParent().getColumnAtPos(absPos.x); //returns ColumnType::NONE if no column at x position!
-            const HoverArea rowHover = prov->getRowMouseHover(row, cpi.colType, cpi.cellRelativePosX, cpi.colWidth);
-            const wxPoint   mousePos = GetPosition() + event.GetPosition();
-            //notify click event after the range selection! e.g. this makes sure the selection is applied before showing a context menu
-            sendEventToParent(GridClickEvent(event.RightUp() ? EVENT_GRID_MOUSE_RIGHT_UP : EVENT_GRID_MOUSE_LEFT_UP, row, rowHover, mousePos));
+            if (mouseClick.GetEventType() == EVENT_GRID_MOUSE_RIGHT_DOWN)
+                sendEventToParent(GridContextMenuEvent(mouseClick.mousePos_));
         }
 
-        //update highlight_ and tooltip: on OS X no mouse movement event is generated after a mouse button click (unlike on Windows)
+#if 0
+        if (!event.RightUp())
+            if (auto prov = refParent().getDataProvider())
+            {
+                wxClientDC dc(this);
+                dc.SetFont(GetFont());
+
+                //this one may point to row which is not in visible area!
+                const ptrdiff_t rowCount = refParent().getRowCount();
+                const wxPoint    absPos = refParent().CalcUnscrolledPosition(event.GetPosition());
+                const ptrdiff_t     row = rowLabelWin_.getRowAtPos(absPos.y); //return -1 for invalid position; >= rowCount if out of range
+                const ColumnPosInfo cpi = refParent().getColumnAtPos(absPos.x); //returns ColumnType::none if no column at x position!
+                const HoverArea rowHover = 0 <= row && row < rowCount ? prov->getRowMouseHover(dc, row, cpi.colType, cpi.cellRelativePosX, cpi.colWidth) : HoverArea::none;
+                const wxPoint   mousePos = GetPosition() + event.GetPosition();
+                //notify click event after the range selection! e.g. this makes sure the selection is applied before showing a context menu
+                sendEventToParent(GridClickEvent(EVENT_GRID_MOUSE_LEFT_UP, row, rowHover, mousePos));
+            }
+#endif
+
+        //update mouse highlight and tooltip: macOS no mouse movement event is generated after a mouse button click (unlike on Windows)
         event.SetPosition(ScreenToClient(wxGetMousePosition())); //mouse position may have changed within above callbacks (e.g. context menu was shown)!
         onMouseMovement(event);
 
-        Refresh();
         event.Skip(); //allow changing focus
     }
 
@@ -1087,12 +1122,12 @@ private:
         if (activeSelection_)
         {
             if (activeSelection_->gridWasCleared())
-                refParent().clearSelection(GridEventPolicy::ALLOW); //see onMouseDown(); selection is "completed" => emit GridSelectEvent
+                refParent().clearSelection(GridEventPolicy::allow); //see onMouseDown(); selection is "completed" => emit GridSelectEvent
 
             activeSelection_.reset();
+            Refresh();
         }
-        highlight_.row = -1;
-        Refresh();
+        updateMouseHover({-1, HoverArea::none});
         //event.Skip(); -> we DID handle it!
     }
 
@@ -1100,15 +1135,17 @@ private:
     {
         if (auto prov = refParent().getDataProvider())
         {
+            wxClientDC dc(this);
+            dc.SetFont(GetFont());
+
             const ptrdiff_t rowCount = refParent().getRowCount();
             const wxPoint     absPos = refParent().CalcUnscrolledPosition(event.GetPosition());
             const ptrdiff_t      row = rowLabelWin_.getRowAtPos(absPos.y); //return -1 for invalid position; >= rowCount if out of range
-            const ColumnPosInfo  cpi = refParent().getColumnAtPos(absPos.x); //returns ColumnType::NONE if no column at x position!
-            const HoverArea rowHover = prov->getRowMouseHover(row, cpi.colType, cpi.cellRelativePosX, cpi.colWidth);
+            const ColumnPosInfo  cpi = refParent().getColumnAtPos(absPos.x); //returns ColumnType::none if no column at x position!
 
             const std::wstring toolTip = [&]
             {
-                if (cpi.colType != ColumnType::NONE && 0 <= row && row < rowCount)
+                if (cpi.colType != ColumnType::none && 0 <= row && row < rowCount)
                     return prov->getToolTip(row, cpi.colType);
                 return std::wstring();
             }();
@@ -1118,22 +1155,17 @@ private:
                 activeSelection_->evalMousePos(); //call on both mouse movement + timer event!
             else
             {
-                refreshHighlight(highlight_);
-                highlight_.row      = row;
-                highlight_.rowHover = rowHover;
-                refreshHighlight(highlight_); //multiple Refresh() calls are condensed into single one!
+                const HoverArea rowHover = 0 <= row && row < rowCount ? prov->getRowMouseHover(dc, row, cpi.colType, cpi.cellRelativePosX, cpi.colWidth) : HoverArea::none;
+                updateMouseHover({row, rowHover});
             }
         }
         event.Skip();
     }
 
-    void onLeaveWindow(wxMouseEvent& event) override //wxEVT_LEAVE_WINDOW does not respect mouse capture!
+    void onLeaveWindow(wxMouseEvent& event) override
     {
-        if (!activeSelection_)
-        {
-            refreshHighlight(highlight_);
-            highlight_.row = -1;
-        }
+        if (!activeSelection_) //wxEVT_LEAVE_WINDOW does not respect mouse capture!
+            updateMouseHover({-1, HoverArea::none});
 
         event.Skip();
     }
@@ -1148,9 +1180,10 @@ private:
             wnd_(wnd), rowStart_(rowStart), rowCurrent_(rowStart), positiveSelect_(positive), gridWasCleared_(gridWasCleared), firstClick_(firstClick)
         {
             wnd_.CaptureMouse();
-            timer_.Connect(wxEVT_TIMER, wxEventHandler(MouseSelection::onTimer), nullptr, this);
+            timer_.Bind(wxEVT_TIMER, [this](wxTimerEvent& event) { evalMousePos(); });
             timer_.Start(100); //timer interval in ms
             evalMousePos();
+            wnd_.Refresh();
         }
         ~MouseSelection() { if (wnd_.HasCapture()) wnd_.ReleaseMouse(); }
 
@@ -1179,6 +1212,7 @@ private:
 
             int pixelsPerUnitY = 0;
             wnd_.refParent().GetScrollPixelsPerUnit(nullptr, &pixelsPerUnitY);
+            assert(pixelsPerUnitY > 0);
             if (pixelsPerUnitY <= 0)
                 return;
 
@@ -1211,6 +1245,7 @@ private:
 
             const wxPoint absPos = wnd_.refParent().CalcUnscrolledPosition(clientPosTrimmed);
             const ptrdiff_t newRow = wnd_.rowLabelWin_.getRowAtPos(absPos.y); //return -1 for invalid position; >= rowCount if out of range
+            assert(newRow >= 0);
             if (newRow >= 0)
                 if (rowCurrent_ != newRow)
                 {
@@ -1220,8 +1255,6 @@ private:
         }
 
     private:
-        void onTimer(wxEvent& event) { evalMousePos(); }
-
         MainWin& wnd_;
         const size_t rowStart_;
         ptrdiff_t rowCurrent_;
@@ -1237,7 +1270,9 @@ private:
     struct MouseHighlight
     {
         ptrdiff_t row = -1;
-        HoverArea rowHover = HoverArea::NONE;
+        HoverArea rowHover = HoverArea::none;
+
+        bool operator==(const MouseHighlight&) const = default;
     };
 
     void ScrollWindow(int dx, int dy, const wxRect* rect) override
@@ -1266,7 +1301,7 @@ private:
         assert(gridUpdatePending_);
         ZEN_ON_SCOPE_EXIT(gridUpdatePending_ = false);
 
-        refParent().updateWindowSizes(false); //row label width has changed -> do *not* update scrollbars: recursion on wxGTK! -> still a problem, now that we're called async??
+        refParent().updateWindowSizes(false); //row label width has changed -> do *not* update scrollbars: recursion on wxGTK! -> still a problem, now that this function is called async??
         rowLabelWin_.Update(); //update while dragging scroll thumb
     }
 
@@ -1278,18 +1313,27 @@ private:
         RefreshRect(cellArea, false);
     }
 
-    void refreshHighlight(const MouseHighlight& hl)
+    void updateMouseHover(const MouseHighlight& hl)
     {
-        const ptrdiff_t rowCount = refParent().getRowCount();
-        if (0 <= hl.row && hl.row < rowCount && hl.rowHover != HoverArea::NONE) //no highlight_? => NOP!
-            refreshRow(hl.row);
+        if (highlight_ != hl && !freezeMouseHighlight_)
+        {
+            const ptrdiff_t rowCount = refParent().getRowCount();
+            if (0 <= highlight_.row && highlight_.row < rowCount && highlight_.rowHover != HoverArea::none) //no highlight_? => NOP!
+                refreshRow(highlight_.row);
+
+            highlight_ = hl;
+
+            if (0 <= highlight_.row && highlight_.row < rowCount && highlight_.rowHover != HoverArea::none) //no highlight_? => NOP!
+                refreshRow(highlight_.row);
+        }
     }
 
     RowLabelWin& rowLabelWin_;
     ColLabelWin& colLabelWin_;
 
     std::unique_ptr<MouseSelection> activeSelection_; //bound while user is selecting with mouse
-    MouseHighlight highlight_; //current mouse highlight_ (superseded by activeSelection_ if available)
+    MouseHighlight highlight_; //current mouse highlight
+    bool freezeMouseHighlight_ = false;
 
     ptrdiff_t cursorRow_ = 0;
     size_t selectionAnchor_ = 0;
@@ -1326,12 +1370,11 @@ Grid::Grid(wxWindow* parent,
     assert(GetClientSize() == GetSize() && GetWindowBorderSize() == wxSize()); //borders are NOT allowed for Grid
     //reason: updateWindowSizes() wants to use "GetSize()" as a "GetClientSize()" including scrollbars
 
-    Connect(wxEVT_PAINT, wxPaintEventHandler(Grid::onPaintEvent), nullptr, this);
-    Connect(wxEVT_SIZE,  wxSizeEventHandler (Grid::onSizeEvent ), nullptr, this);
+    Bind(wxEVT_PAINT, [this](wxPaintEvent& event) { wxPaintDC dc(this); });
+    Bind(wxEVT_SIZE,  [this](wxSizeEvent&  event) { updateWindowSizes(); event.Skip(); });
     Bind(wxEVT_ERASE_BACKGROUND, [](wxEraseEvent& event) {}); //https://wiki.wxwidgets.org/Flicker-Free_Drawing
 
-    Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(Grid::onKeyDown), nullptr, this);
-    Connect(wxEVT_KEY_UP,   wxKeyEventHandler(Grid::onKeyUp  ), nullptr, this);
+    Bind(wxEVT_KEY_DOWN, [this](wxKeyEvent& event) { onKeyDown(event); });
 }
 
 
@@ -1522,12 +1565,12 @@ wxSize Grid::GetSizeAvailableForScrollTarget(const wxSize& size)
 
     //lame hard-coded numbers (from Ubuntu 19.10) and openSuse
     //=> let's have a *close* eye on scrollbar fluctuation!
-    assert(scrollBarSizeTmp.x == 0 || 
-        scrollBarSizeTmp.x == 6 || scrollBarSizeTmp.x == 13 || //Ubuntu 19.10
-        scrollBarSizeTmp.x == 16); //openSuse
-    assert(scrollBarSizeTmp.y == 0 || 
-        scrollBarSizeTmp.y == 6 || scrollBarSizeTmp.y == 13 || //Ubuntu 19.10
-        scrollBarSizeTmp.y == 16); //openSuse
+    assert(scrollBarSizeTmp.x == 0 ||
+           scrollBarSizeTmp.x == 6 || scrollBarSizeTmp.x == 13 || //Ubuntu 19.10
+           scrollBarSizeTmp.x == 16); //openSuse
+    assert(scrollBarSizeTmp.y == 0 ||
+           scrollBarSizeTmp.y == 6 || scrollBarSizeTmp.y == 13 || //Ubuntu 19.10
+           scrollBarSizeTmp.y == 16); //openSuse
 #else
 #error unknown GTK version!
 #endif
@@ -1550,35 +1593,6 @@ wxSize Grid::GetSizeAvailableForScrollTarget(const wxSize& size)
 }
 
 
-void Grid::onPaintEvent(wxPaintEvent& event) { wxPaintDC dc(this); }
-
-
-void Grid::onKeyUp(wxKeyEvent& event)
-{
-    int keyCode = event.GetKeyCode();
-    if (event.ShiftDown() && keyCode == WXK_F10) //== alias for menu key
-        keyCode = WXK_WINDOWS_MENU;
-
-    switch (keyCode)
-    {
-        case WXK_MENU:         //
-        case WXK_WINDOWS_MENU: //simulate right mouse click at cursor(+1) position
-        {
-            const int cursorNextPosY = rowLabelWin_->getRowHeight() * std::min(getRowCount(), mainWin_->getCursor() + 1);
-            const int clientPosMainWinY = std::clamp(CalcScrolledPosition(wxPoint(0, cursorNextPosY)).y, //absolute -> client coordinates
-                                                     0, mainWin_->GetClientSize().GetHeight() - 1);
-            const wxPoint mousePos = mainWin_->GetPosition() + wxPoint(0, clientPosMainWinY); //mainWin_-relative to Grid-relative
-
-            GridClickEvent clickEvent(EVENT_GRID_MOUSE_RIGHT_UP, -1, HoverArea::NONE, mousePos);
-            if (wxEvtHandler* evtHandler = GetEventHandler())
-                evtHandler->ProcessEvent(clickEvent);
-        }
-        return;
-    }
-    event.Skip();
-}
-
-
 void Grid::onKeyDown(wxKeyEvent& event)
 {
     int keyCode = event.GetKeyCode();
@@ -1600,7 +1614,7 @@ void Grid::onKeyDown(wxKeyEvent& event)
         if (rowCount > 0)
         {
             row = std::clamp<ptrdiff_t>(row, 0, rowCount - 1);
-            setGridCursor(row, GridEventPolicy::ALLOW);
+            setGridCursor(row, GridEventPolicy::allow);
         }
     };
 
@@ -1616,16 +1630,16 @@ void Grid::onKeyDown(wxKeyEvent& event)
     switch (keyCode)
     {
         case WXK_MENU:         //
-        case WXK_WINDOWS_MENU: //simulate right mouse click at cursor(+1) position
+        case WXK_WINDOWS_MENU: //simulate right mouse click at cursor row (+1) position
         {
             const int cursorNextPosY = rowLabelWin_->getRowHeight() * std::min(getRowCount(), mainWin_->getCursor() + 1);
             const int clientPosMainWinY = std::clamp(CalcScrolledPosition(wxPoint(0, cursorNextPosY)).y, //absolute -> client coordinates
                                                      0, mainWin_->GetClientSize().GetHeight() - 1);
             const wxPoint mousePos = mainWin_->GetPosition() + wxPoint(0, clientPosMainWinY); //mainWin_-relative to Grid-relative
 
-            GridClickEvent clickEvent(EVENT_GRID_MOUSE_RIGHT_DOWN, -1, HoverArea::NONE, mousePos);
+            GridContextMenuEvent contextEvent(mousePos);
             if (wxEvtHandler* evtHandler = GetEventHandler())
-                evtHandler->ProcessEvent(clickEvent);
+                evtHandler->ProcessEvent(contextEvent);
         }
         return;
 
@@ -1716,12 +1730,12 @@ void Grid::onKeyDown(wxKeyEvent& event)
 
         case 'A':  //Ctrl + A - select all
             if (event.ControlDown())
-                selectRange(0, rowCount, true /*positive*/, nullptr /*mouseInitiated*/, GridEventPolicy::ALLOW);
+                selectRange(0, rowCount, true /*positive*/, nullptr /*mouseClick*/, GridEventPolicy::allow);
             break;
 
         case WXK_NUMPAD_ADD: //CTRL + '+' - auto-size all
             if (event.ControlDown())
-                autoSizeColumns(GridEventPolicy::ALLOW);
+                autoSizeColumns(GridEventPolicy::allow);
             return;
     }
 
@@ -1743,60 +1757,41 @@ void Grid::showRowLabel(bool show)
 }
 
 
-void Grid::selectRow(size_t row, GridEventPolicy rangeEventPolicy)
-{
-    selection_.selectRow(row);
-    mainWin_->Refresh();
-
-    if (rangeEventPolicy == GridEventPolicy::ALLOW)
-    {
-        GridSelectEvent selEvent(row, row + 1, true, nullptr /*mouseClick*/);
-        if (wxEvtHandler* evtHandler = GetEventHandler())
-            evtHandler->ProcessEvent(selEvent);
-    }
-}
-
-
-void Grid::selectAllRows(GridEventPolicy rangeEventPolicy)
+void Grid::selectRange(size_t rowFirst, size_t rowLast, bool positive, GridEventPolicy rangeEventPolicy)
 {
-    selection_.selectAll();
+    selection_.selectRange(rowFirst, rowLast, positive);
     mainWin_->Refresh();
 
-    if (rangeEventPolicy == GridEventPolicy::ALLOW)
+    if (rangeEventPolicy == GridEventPolicy::allow)
     {
-        GridSelectEvent selEvent(0, getRowCount(), true /*positive*/, nullptr /*mouseClick*/);
+        GridSelectEvent selEvent(rowFirst, rowLast, positive, nullptr /*mouseClick*/);
         if (wxEvtHandler* evtHandler = GetEventHandler())
-            evtHandler->ProcessEvent(selEvent);
+            /*bool processed = */evtHandler->ProcessEvent(selEvent);
     }
 }
 
 
-void Grid::clearSelection(GridEventPolicy rangeEventPolicy)
-{
-    selection_.clear();
-    mainWin_->Refresh();
-
-    if (rangeEventPolicy == GridEventPolicy::ALLOW)
-    {
-        GridSelectEvent unselectionEvent(0, getRowCount(), false /*positive*/, nullptr /*mouseClick*/);
-        if (wxEvtHandler* evtHandler = GetEventHandler())
-            evtHandler->ProcessEvent(unselectionEvent);
-    }
-}
+void Grid::selectRow(size_t row, GridEventPolicy rangeEventPolicy) { selectRange(row, row + 1,             true  /*positive*/, rangeEventPolicy); }
+void Grid::selectAllRows        (GridEventPolicy rangeEventPolicy) { selectRange(0, selection_.gridSize(), true  /*positive*/, rangeEventPolicy); }
+void Grid::clearSelection       (GridEventPolicy rangeEventPolicy) { selectRange(0, selection_.gridSize(), false /*positive*/, rangeEventPolicy); }
 
 
 void Grid::scrollDelta(int deltaX, int deltaY)
 {
-    wxPoint scrollPos = GetViewStart();
+    const wxPoint scrollPosOld = GetViewStart();
 
-    scrollPos.x += deltaX;
-    scrollPos.y += deltaY;
+    wxPoint scrollPosNew = scrollPosOld;
+    scrollPosNew.x += deltaX;
+    scrollPosNew.y += deltaY;
 
-    scrollPos.x = std::max(0, scrollPos.x); //wxScrollHelper::Scroll() will exit prematurely if input happens to be "-1"!
-    scrollPos.y = std::max(0, scrollPos.y); //
+    scrollPosNew.x = std::max(0, scrollPosNew.x); //wxScrollHelper::Scroll() will exit prematurely if input happens to be "-1"!
+    scrollPosNew.y = std::max(0, scrollPosNew.y); //
 
-    Scroll(scrollPos); //internally calls wxWindows::Update()!
-    updateWindowSizes(); //may show horizontal scroll bar if row column gets wider
+    if (scrollPosNew != scrollPosOld)
+    {
+        Scroll(scrollPosNew); //internally calls wxWindows::Update()!
+        updateWindowSizes(); //may show horizontal scroll bar if row column gets wider
+    }
 }
 
 
@@ -1826,7 +1821,7 @@ void Grid::Refresh(bool eraseBackground, const wxRect* rect)
         updateWindowSizes();
     }
 
-    if (selection_.maxSize() != rowCountNew) //clear selection only when needed (consider setSelectedRows())
+    if (selection_.gridSize() != rowCountNew) //clear selection only when needed (consider setSelectedRows())
         selection_.init(rowCountNew);
 
     wxScrolledWindow::Refresh(eraseBackground, rect);
@@ -1850,7 +1845,7 @@ void Grid::setColumnConfig(const std::vector<Grid::ColAttributes>& attr)
     for (const ColAttributes& ca : attr)
     {
         assert(ca.stretch >= 0);
-        assert(ca.type != ColumnType::NONE);
+        assert(ca.type != ColumnType::none);
 
         if (ca.visible)
             visCols.push_back({ ca.type, ca.offset, std::max(ca.stretch, 0) });
@@ -2003,7 +1998,7 @@ ColumnType Grid::colToType(size_t col) const
 {
     if (col < visibleCols_.size())
         return visibleCols_[col].type;
-    return ColumnType::NONE;
+    return ColumnType::none;
 }
 
 
@@ -2022,7 +2017,7 @@ Grid::ColumnPosInfo Grid::getColumnAtPos(int posX) const
                 return { cw.type, posX + cw.width - accWidth, cw.width };
         }
     }
-    return { ColumnType::NONE, 0, 0 };
+    return { ColumnType::none, 0, 0 };
 }
 
 
@@ -2066,7 +2061,7 @@ void Grid::setGridCursor(size_t row, GridEventPolicy rangeEventPolicy)
     makeRowVisible(row);
 
     selection_.clear(); //clear selection, do NOT fire event
-    selectRange(row, row, true /*positive*/, nullptr /*mouseInitiated*/, rangeEventPolicy); //set new selection + fire event
+    selectRange(row, row, true /*positive*/, nullptr /*mouseClick*/, rangeEventPolicy); //set new selection + fire event
 }
 
 
@@ -2078,7 +2073,7 @@ void Grid::selectWithCursor(ptrdiff_t row) //emits GridSelectEvent
     makeRowVisible(row);
 
     selection_.clear(); //clear selection, do NOT fire event
-    selectRange(anchorRow, row, true /*positive*/, nullptr /*mouseInitiated*/, GridEventPolicy::ALLOW); //set new selection + fire event
+    selectRange(anchorRow, row, true /*positive*/, nullptr /*mouseClick*/, GridEventPolicy::allow); //set new selection + fire event
 }
 
 
@@ -2138,11 +2133,11 @@ void Grid::selectRange(ptrdiff_t rowFrom, ptrdiff_t rowTo, bool positive, const
     selection_.selectRange(rowFirst, rowLast, positive);
     mainWin_->Refresh();
 
-    if (rangeEventPolicy == GridEventPolicy::ALLOW)
+    if (rangeEventPolicy == GridEventPolicy::allow)
     {
         GridSelectEvent selectionEvent(rowFirst, rowLast, positive, mouseClick);
         if (wxEvtHandler* evtHandler = GetEventHandler())
-            evtHandler->ProcessEvent(selectionEvent);
+            /*bool processed = */evtHandler->ProcessEvent(selectionEvent);
     }
 }
 
@@ -2243,7 +2238,7 @@ void Grid::setColumnWidth(int width, size_t col, GridEventPolicy columnResizeEve
             if (visibleCols_[col2].stretch > 0) //normalize stretched columns only
                 visibleCols_[col2].offset = std::max(visibleCols_[col2].offset, fastFromDIP(COLUMN_MIN_WIDTH_DIP) - stretchedWidths[col2]);
 
-        if (columnResizeEventPolicy == GridEventPolicy::ALLOW)
+        if (columnResizeEventPolicy == GridEventPolicy::allow)
         {
             GridColumnResizeEvent sizeEvent(vcRs.offset, vcRs.type);
             if (wxEvtHandler* evtHandler = GetEventHandler())
diff --git a/wx+/grid.h b/wx+/grid.h
index 05710e3f..43a1d2a0 100644
--- a/wx+/grid.h
+++ b/wx+/grid.h
@@ -19,28 +19,33 @@
 //a user-friendly, extensible and high-performance grid control
 namespace zen
 {
-enum class ColumnType { NONE = -1 }; //user-defiend column type
-enum class HoverArea  { NONE = -1 }; //user-defined area for mouse selections for a given row (may span multiple columns or split a single column into multiple areas)
-
-//wxContextMenuEvent? => automatically generated by wxWidgets when right mouse down/up is not handled; even OS-dependent in which case event is generated
-//=> inappropriate! client decides when to show context! => simulate right mouse click when WXK_WINDOWS_MENU button is pressed
-//=> same behavior as earlier wxWidgets: https://github.com/wxWidgets/wxWidgets/commit/2c69d27c0d225d3a331c773da466686153185320#diff-9f11c8f2cb1f734f7c0c1071aba491a5
+enum class ColumnType { none = -1 }; //user-defiend column type
+enum class HoverArea  { none = -1 }; //user-defined area for mouse selections for a given row (may span multiple columns or split a single column into multiple areas)
 
 //------------------------ events ------------------------------------------------
-extern const wxEventType EVENT_GRID_MOUSE_LEFT_DOUBLE; //
-extern const wxEventType EVENT_GRID_MOUSE_LEFT_DOWN;   //
-extern const wxEventType EVENT_GRID_MOUSE_LEFT_UP;     //generates: GridClickEvent
-extern const wxEventType EVENT_GRID_MOUSE_RIGHT_DOWN;  //
-extern const wxEventType EVENT_GRID_MOUSE_RIGHT_UP;    //
+//example: wnd.Bind(EVENT_GRID_COL_LABEL_LEFT_CLICK, [this](GridClickEvent& event) { onGridLeftClick(event); });
+
+struct GridClickEvent;
+struct GridSelectEvent;
+struct GridLabelClickEvent;
+struct GridColumnResizeEvent;
+struct GridContextMenuEvent;
+
+wxDECLARE_EVENT(EVENT_GRID_MOUSE_LEFT_DOUBLE, GridClickEvent);
+wxDECLARE_EVENT(EVENT_GRID_MOUSE_LEFT_DOWN,   GridClickEvent);
+wxDECLARE_EVENT(EVENT_GRID_MOUSE_RIGHT_DOWN,  GridClickEvent);
 
-extern const wxEventType EVENT_GRID_SELECT_RANGE; //generates: GridSelectEvent
+wxDECLARE_EVENT(EVENT_GRID_SELECT_RANGE, GridSelectEvent);
 //NOTE: neither first nor second row need to match EVENT_GRID_MOUSE_LEFT_DOWN/EVENT_GRID_MOUSE_LEFT_UP: user holding SHIFT; moving out of window...
 
-extern const wxEventType EVENT_GRID_COL_LABEL_MOUSE_LEFT;  //generates: GridLabelClickEvent
-extern const wxEventType EVENT_GRID_COL_LABEL_MOUSE_RIGHT; //
-extern const wxEventType EVENT_GRID_COL_RESIZE; //generates: GridColumnResizeEvent
+wxDECLARE_EVENT(EVENT_GRID_COL_LABEL_MOUSE_LEFT,  GridLabelClickEvent);
+wxDECLARE_EVENT(EVENT_GRID_COL_LABEL_MOUSE_RIGHT, GridLabelClickEvent);
+wxDECLARE_EVENT(EVENT_GRID_COL_RESIZE, GridColumnResizeEvent);
+
+//wxContextMenuEvent? => generated by wxWidgets when right mouse down/up is not handled; even OS-dependent in which case event is generated
+//=> inappropriate! we know better when to show context!
+wxDECLARE_EVENT(EVENT_GRID_CONTEXT_MENU, GridContextMenuEvent);
 
-//example: wnd.Connect(EVENT_GRID_COL_LABEL_LEFT_CLICK, GridClickEventHandler(MyDlg::OnLeftClick), nullptr, this);
 
 struct GridClickEvent : public wxEvent
 {
@@ -49,7 +54,7 @@ struct GridClickEvent : public wxEvent
     GridClickEvent* Clone() const override { return new GridClickEvent(*this); }
 
     const ptrdiff_t row_; //-1 for invalid position, >= rowCount if out of range
-    const HoverArea hoverArea_; //may be HoverArea::NONE
+    const HoverArea hoverArea_; //may be HoverArea::none
     const wxPoint mousePos_; //client coordinates
 };
 
@@ -71,7 +76,7 @@ struct GridLabelClickEvent : public wxEvent
     GridLabelClickEvent(wxEventType et, ColumnType colType) : wxEvent(0 /*winid*/, et), colType_(colType) {}
     GridLabelClickEvent* Clone() const override { return new GridLabelClickEvent(*this); }
 
-    const ColumnType colType_; //may be ColumnType::NONE
+    const ColumnType colType_; //may be ColumnType::none
 };
 
 struct GridColumnResizeEvent : public wxEvent
@@ -83,16 +88,13 @@ struct GridColumnResizeEvent : public wxEvent
     const int        offset_;
 };
 
-using GridClickEventFunction        = void (wxEvtHandler::*)(GridClickEvent&);
-using GridSelectEventFunction       = void (wxEvtHandler::*)(GridSelectEvent&);
-using GridLabelClickEventFunction   = void (wxEvtHandler::*)(GridLabelClickEvent&);
-using GridColumnResizeEventFunction = void (wxEvtHandler::*)(GridColumnResizeEvent&);
-
-#define GridClickEventHandler(func)       (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(GridClickEventFunction,        &func)
-#define GridSelectEventHandler(func)      (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(GridSelectEventFunction,       &func)
-#define GridLabelClickEventHandler(func)  (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(GridLabelClickEventFunction,   &func)
-#define GridColumnResizeEventHandler(func)(wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(GridColumnResizeEventFunction, &func)
+struct GridContextMenuEvent : public wxEvent
+{
+    explicit GridContextMenuEvent(const wxPoint& mousePos) : wxEvent(0 /*winid*/, EVENT_GRID_CONTEXT_MENU), mousePos_(mousePos) {}
+    GridContextMenuEvent* Clone() const override { return new GridContextMenuEvent(*this); }
 
+    const wxPoint mousePos_; //client coordinates
+};
 //------------------------------------------------------------------------------------------------------------
 
 class Grid;
@@ -110,8 +112,8 @@ public:
     virtual void         renderRowBackgound(wxDC& dc, const wxRect& rect, size_t row,                     bool enabled, bool selected); //default implementation
     virtual void         renderCell        (wxDC& dc, const wxRect& rect, size_t row, ColumnType colType, bool enabled, bool selected, HoverArea rowHover);
     virtual int          getBestSize       (wxDC& dc, size_t row, ColumnType colType); //must correspond to renderCell()!
+    virtual HoverArea    getRowMouseHover  (wxDC& dc, size_t row, ColumnType colType, int cellRelativePosX, int cellWidth) { return HoverArea::none; }
     virtual std::wstring getToolTip        (size_t row, ColumnType colType) const { return std::wstring(); }
-    virtual HoverArea    getRowMouseHover  (size_t row, ColumnType colType, int cellRelativePosX, int cellWidth) { return HoverArea::NONE; }
 
     //label area:
     virtual std::wstring getColumnLabel(ColumnType colType) const = 0;
@@ -126,7 +128,6 @@ public:
     static void drawCellText(wxDC& dc, const wxRect& rect, const std::wstring& text,
                              int alignment = wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL, const wxSize* textExtentHint = nullptr); //returns text extent
     static wxRect drawCellBorder    (wxDC& dc, const wxRect& rect); //returns inner rectangle
-    static void   drawCellBackground(wxDC& dc, const wxRect& rect, bool enabled, bool selected, const wxColor& backgroundColor);
 
     static wxRect drawColumnLabelBackground(wxDC& dc, const wxRect& rect, bool highlighted); //returns inner rectangle
     static void   drawColumnLabelText      (wxDC& dc, const wxRect& rect, const std::wstring& text, bool enabled);
@@ -135,8 +136,8 @@ public:
 
 enum class GridEventPolicy
 {
-    ALLOW,
-    DENY
+    allow,
+    deny
 };
 
 
@@ -148,7 +149,7 @@ public:
          const wxPoint& pos   = wxDefaultPosition,
          const wxSize& size   = wxDefaultSize,
          long style           = wxTAB_TRAVERSAL | wxNO_BORDER,
-         const wxString& name = wxPanelNameStr);
+         const wxString& name = wxASCII_STR(wxPanelNameStr));
 
     size_t getRowCount() const;
 
@@ -156,7 +157,7 @@ public:
 
     struct ColAttributes
     {
-        ColumnType type = ColumnType::NONE;
+        ColumnType type = ColumnType::none;
         //first, client width is partitioned according to all available stretch factors, then "offset_" is added
         //universal model: a non-stretched column has stretch factor 0 with the "offset" becoming identical to final width!
         int offset  = 0;
@@ -185,9 +186,11 @@ public:
     void showScrollBars(ScrollBarStatus horizontal, ScrollBarStatus vertical);
 
     std::vector<size_t> getSelectedRows() const { return selection_.get(); }
+
     void selectRow(size_t row, GridEventPolicy rangeEventPolicy);
     void selectAllRows (GridEventPolicy rangeEventPolicy); //turn off range selection event when calling this function in an event handler to avoid recursion!
     void clearSelection(GridEventPolicy rangeEventPolicy); //
+    void selectRange(size_t rowFirst, size_t rowLast, bool positive, GridEventPolicy rangeEventPolicy); //select [rowFirst, rowLast)
 
     void scrollDelta(int deltaX, int deltaY); //in scroll units
 
@@ -201,7 +204,7 @@ public:
 
     struct ColumnPosInfo
     {
-        ColumnType colType   = ColumnType::NONE; //ColumnType::NONE no column at x position!
+        ColumnType colType   = ColumnType::none; //ColumnType::none no column at x position!
         int cellRelativePosX = 0;
         int colWidth         = 0;
     };
@@ -226,10 +229,7 @@ public:
     //############################################################################################################
 
 private:
-    void onPaintEvent(wxPaintEvent& event);
-    void onSizeEvent(wxSizeEvent& event) { updateWindowSizes(); event.Skip(); }
     void onKeyDown(wxKeyEvent& event);
-    void onKeyUp  (wxKeyEvent& event);
 
     void updateWindowSizes(bool updateScrollbar = true);
 
@@ -256,7 +256,7 @@ private:
     public:
         void init(size_t rowCount) { selected_.resize(rowCount); clear(); }
 
-        size_t maxSize() const { return selected_.size(); }
+        size_t gridSize() const { return selected_.size(); }
 
         std::vector<size_t> get() const
         {
@@ -267,9 +267,7 @@ private:
             return result;
         }
 
-        void selectRow(size_t row) { selectRange(row, row + 1,        true); }
-        void selectAll          () { selectRange(0, selected_.size(), true); }
-        void clear              () { selectRange(0, selected_.size(), false); }
+        void clear() { selectRange(0, selected_.size(), false); }
 
         bool isSelected(size_t row) const { return row < selected_.size() ? selected_[row] != 0 : false; }
 
@@ -291,14 +289,14 @@ private:
 
     struct VisibleColumn
     {
-        ColumnType type = ColumnType::NONE;
+        ColumnType type = ColumnType::none;
         int offset  = 0;
         int stretch = 0; //>= 0
     };
 
     struct ColumnWidth
     {
-        ColumnType type = ColumnType::NONE;
+        ColumnType type = ColumnType::none;
         int width = 0;
     };
     std::vector<ColumnWidth> getColWidths()                 const; //
@@ -332,7 +330,7 @@ private:
     void moveColumn(size_t colFrom, size_t colTo);
     ptrdiff_t clientPosToMoveTargetColumn(const wxPoint& pos) const; //return < 0 on error
 
-    ColumnType colToType(size_t col) const; //returns ColumnType::NONE on error
+    ColumnType colToType(size_t col) const; //returns ColumnType::none on error
 
     /*  Grid window layout:
             _______________________________
diff --git a/wx+/image_resources.cpp b/wx+/image_resources.cpp
index d09e5dfa..b89abe6d 100644
--- a/wx+/image_resources.cpp
+++ b/wx+/image_resources.cpp
@@ -128,7 +128,7 @@ private:
     Protected<std::vector<std::pair<std::string, ImageHolder>>> result_;
 
     using TaskType = FunctionReturnTypeT<decltype(&getScalerTask)>;
-    std::optional<ThreadGroup<TaskType>> threadGroup_{ ThreadGroup<TaskType>(std::max<int>(std::thread::hardware_concurrency(), 1), "xBRZ Scaler") };
+    std::optional<ThreadGroup<TaskType>> threadGroup_{ ThreadGroup<TaskType>(std::max<int>(std::thread::hardware_concurrency(), 1), Zstr("xBRZ Scaler")) };
     //hardware_concurrency() == 0 if "not computable or well defined"
 };
 
@@ -182,7 +182,7 @@ ImageBuffer::ImageBuffer(const Zstring& zipPath) //throw FileError
     try //to load from ZIP first:
     {
         //wxFFileInputStream/wxZipInputStream loads in junks of 512 bytes => WTF!!! => implement sane file loading:
-        const std::string rawStream = loadBinContainer<std::string>(zipPath, nullptr /*notifyUnbufferedIO*/); //throw FileError
+        const std::string rawStream = getFileContent(zipPath, nullptr /*notifyUnbufferedIO*/); //throw FileError
         wxMemoryInputStream memStream(rawStream.c_str(), rawStream.size()); //does not take ownership
         wxZipInputStream zipStream(memStream, wxConvUTF8);
         //do NOT rely on wxConvLocal! On failure shows unhelpful popup "Cannot convert from the charset 'Unknown encoding (-1)'!"
@@ -195,11 +195,11 @@ ImageBuffer::ImageBuffer(const Zstring& zipPath) //throw FileError
     }
     catch (FileError&) //fall back to folder
     {
-        traverseFolder(beforeLast(zipPath, Zstr(".zip"), IF_MISSING_RETURN_NONE), [&](const FileInfo& fi)
+        traverseFolder(beforeLast(zipPath, Zstr(".zip"), IfNotFoundReturn::none), [&](const FileInfo& fi)
         {
             if (endsWith(fi.fullPath, Zstr(".png")))
             {
-                std::string stream = loadBinContainer<std::string>(fi.fullPath, nullptr /*notifyUnbufferedIO*/); //throw FileError
+                std::string stream = getFileContent(fi.fullPath, nullptr /*notifyUnbufferedIO*/); //throw FileError
                 streams.emplace_back(fi.itemName, std::move(stream));
             }
         }, nullptr, nullptr, [](const std::wstring& errorMsg) { throw FileError(errorMsg); });
@@ -227,7 +227,7 @@ ImageBuffer::ImageBuffer(const Zstring& zipPath) //throw FileError
             //=> there's only one type of wxImage: with alpha channel, no mask!!!
             convertToVanillaImage(img);
 
-            const std::string imageName = utfTo<std::string>(beforeLast(fileName, Zstr("."), IF_MISSING_RETURN_NONE));
+            const std::string imageName = utfTo<std::string>(beforeLast(fileName, Zstr("."), IfNotFoundReturn::none));
 
             imagesRaw_.emplace(imageName, img);
             if (hqScaler_)
@@ -311,7 +311,7 @@ std::unique_ptr<ImageBuffer> globalImageBuffer;
 
 void zen::imageResourcesInit(const Zstring& zipPath) //throw FileError
 {
-    assert(runningMainThread()); //wxWidgets is not thread-safe!
+    assert(runningOnMainThread()); //wxWidgets is not thread-safe!
     assert(!globalImageBuffer);
     globalImageBuffer = std::make_unique<ImageBuffer>(zipPath); //throw FileError
 }
@@ -319,7 +319,7 @@ void zen::imageResourcesInit(const Zstring& zipPath) //throw FileError
 
 void zen::ImageResourcesCleanup()
 {
-    assert(runningMainThread()); //wxWidgets is not thread-safe!
+    assert(runningOnMainThread()); //wxWidgets is not thread-safe!
     assert(globalImageBuffer);
     globalImageBuffer.reset();
 }
@@ -327,7 +327,7 @@ void zen::ImageResourcesCleanup()
 
 const wxImage& zen::loadImage(const std::string& name, int maxWidth /*optional*/, int maxHeight /*optional*/)
 {
-    assert(runningMainThread()); //wxWidgets is not thread-safe!
+    assert(runningOnMainThread()); //wxWidgets is not thread-safe!
     assert(globalImageBuffer);
     if (globalImageBuffer)
         return globalImageBuffer->getImage(name, maxWidth, maxHeight);
diff --git a/wx+/image_tools.cpp b/wx+/image_tools.cpp
index 19ba6ba6..4569a2a7 100644
--- a/wx+/image_tools.cpp
+++ b/wx+/image_tools.cpp
@@ -70,7 +70,7 @@ void copySubImage(const wxImage& src, wxPoint srcPos,
 
 
 void copyImageLayover(const wxImage& src,
-                    /**/  wxImage& trg, wxPoint trgPos)
+                      /**/  wxImage& trg, wxPoint trgPos)
 {
     const int srcWidth  = src.GetWidth ();
     const int srcHeight = src.GetHeight();
@@ -119,7 +119,7 @@ std::vector<std::pair<wxString, wxSize>> getTextExtentInfo(const wxString& text,
     dc.SetFont(font); //the font parameter of GetMultiLineTextExtent() is not evaluated on OS X, wxWidgets 2.9.5, so apply it to the DC directly!
 
     std::vector<std::pair<wxString, wxSize>> lineInfo; //text + extent
-    for (const wxString& line : split(text, L'\n', SplitType::ALLOW_EMPTY))
+    for (const wxString& line : split(text, L'\n', SplitOnEmpty::allow))
         lineInfo.emplace_back(line, line.empty() ? wxSize() : dc.GetTextExtent(line));
 
     return lineInfo;
diff --git a/wx+/popup_dlg.cpp b/wx+/popup_dlg.cpp
index bdb904f2..ffde9824 100644
--- a/wx+/popup_dlg.cpp
+++ b/wx+/popup_dlg.cpp
@@ -173,7 +173,7 @@ public:
         else
             m_checkBoxCustom->Hide();
 
-        Connect(wxEVT_CHAR_HOOK, wxKeyEventHandler(StandardPopupDialog::OnKeyPressed), nullptr, this); //dialog-specific local key events
+        Bind(wxEVT_CHAR_HOOK, [this](wxKeyEvent& event) { onLocalKeyEvent(event); }); //dialog-specific local key events
 
         //------------------------------------------------------------------------------
         StdButtons stdBtns;
@@ -225,31 +225,31 @@ public:
     }
 
 private:
-    void OnClose (wxCloseEvent&   event) override { EndModal(static_cast<int>(ConfirmationButton3::cancel)); }
-    void OnCancel(wxCommandEvent& event) override { EndModal(static_cast<int>(ConfirmationButton3::cancel)); }
+    void onClose (wxCloseEvent&   event) override { EndModal(static_cast<int>(ConfirmationButton3::cancel)); }
+    void onCancel(wxCommandEvent& event) override { EndModal(static_cast<int>(ConfirmationButton3::cancel)); }
 
-    void OnButtonAccept(wxCommandEvent& event) override
+    void onButtonAccept(wxCommandEvent& event) override
     {
         if (checkBoxValue_)
             *checkBoxValue_ = m_checkBoxCustom->GetValue();
         EndModal(static_cast<int>(ConfirmationButton3::accept));
     }
 
-    void OnButtonAcceptAll(wxCommandEvent& event) override
+    void onButtonAcceptAll(wxCommandEvent& event) override
     {
         if (checkBoxValue_)
             *checkBoxValue_ = m_checkBoxCustom->GetValue();
         EndModal(static_cast<int>(ConfirmationButton3::acceptAll));
     }
 
-    void OnButtonDecline(wxCommandEvent& event) override
+    void onButtonDecline(wxCommandEvent& event) override
     {
         if (checkBoxValue_)
             *checkBoxValue_ = m_checkBoxCustom->GetValue();
         EndModal(static_cast<int>(ConfirmationButton3::decline));
     }
 
-    void OnKeyPressed(wxKeyEvent& event)
+    void onLocalKeyEvent(wxKeyEvent& event)
     {
         switch (event.GetKeyCode())
         {
@@ -257,7 +257,7 @@ private:
             case WXK_NUMPAD_ENTER:
             {
                 wxCommandEvent dummy(wxEVT_COMMAND_BUTTON_CLICKED);
-                OnButtonAccept(dummy);
+                onButtonAccept(dummy);
                 return;
             }
 
@@ -268,7 +268,7 @@ private:
         event.Skip();
     }
 
-    void OnCheckBoxClick(wxCommandEvent& event) override { updateGui(); event.Skip(); }
+    void onCheckBoxClick(wxCommandEvent& event) override { updateGui(); event.Skip(); }
 
     void updateGui()
     {
diff --git a/wx+/popup_dlg_generated.cpp b/wx+/popup_dlg_generated.cpp
index 7fc05d53..b9da4c38 100644
--- a/wx+/popup_dlg_generated.cpp
+++ b/wx+/popup_dlg_generated.cpp
@@ -11,91 +11,91 @@
 
 PopupDialogGenerated::PopupDialogGenerated( wxWindow* parent, wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, long style ) : wxDialog( parent, id, title, pos, size, style )
 {
-	this->SetSizeHints( wxSize( -1,-1 ), wxDefaultSize );
-	this->SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ) );
+    this->SetSizeHints( wxSize( -1, -1 ), wxDefaultSize );
+    this->SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ) );
 
-	wxBoxSizer* bSizer24;
-	bSizer24 = new wxBoxSizer( wxVERTICAL );
+    wxBoxSizer* bSizer24;
+    bSizer24 = new wxBoxSizer( wxVERTICAL );
 
-	m_panel33 = new wxPanel( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
-	m_panel33->SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW ) );
+    m_panel33 = new wxPanel( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
+    m_panel33->SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW ) );
 
-	wxBoxSizer* bSizer165;
-	bSizer165 = new wxBoxSizer( wxHORIZONTAL );
+    wxBoxSizer* bSizer165;
+    bSizer165 = new wxBoxSizer( wxHORIZONTAL );
 
-	m_bitmapMsgType = new wxStaticBitmap( m_panel33, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxSize( -1,-1 ), 0 );
-	bSizer165->Add( m_bitmapMsgType, 0, wxALL, 10 );
+    m_bitmapMsgType = new wxStaticBitmap( m_panel33, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxSize( -1, -1 ), 0 );
+    bSizer165->Add( m_bitmapMsgType, 0, wxALL, 10 );
 
-	wxBoxSizer* bSizer16;
-	bSizer16 = new wxBoxSizer( wxVERTICAL );
+    wxBoxSizer* bSizer16;
+    bSizer16 = new wxBoxSizer( wxVERTICAL );
 
 
-	bSizer16->Add( 0, 10, 0, 0, 5 );
+    bSizer16->Add( 0, 10, 0, 0, 5 );
 
-	m_staticTextMain = new wxStaticText( m_panel33, wxID_ANY, _("dummy"), wxDefaultPosition, wxDefaultSize, 0 );
-	m_staticTextMain->Wrap( -1 );
-	bSizer16->Add( m_staticTextMain, 0, wxRIGHT, 10 );
+    m_staticTextMain = new wxStaticText( m_panel33, wxID_ANY, _("dummy"), wxDefaultPosition, wxDefaultSize, 0 );
+    m_staticTextMain->Wrap( -1 );
+    bSizer16->Add( m_staticTextMain, 0, wxRIGHT, 10 );
 
 
-	bSizer16->Add( 0, 5, 0, 0, 5 );
+    bSizer16->Add( 0, 5, 0, 0, 5 );
 
-	m_textCtrlTextDetail = new wxTextCtrl( m_panel33, wxID_ANY, _("dummy"), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE|wxTE_READONLY|wxBORDER_NONE );
-	bSizer16->Add( m_textCtrlTextDetail, 1, wxEXPAND, 5 );
+    m_textCtrlTextDetail = new wxTextCtrl( m_panel33, wxID_ANY, _("dummy"), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE|wxTE_READONLY|wxBORDER_NONE );
+    bSizer16->Add( m_textCtrlTextDetail, 1, wxEXPAND, 5 );
 
 
-	bSizer165->Add( bSizer16, 1, wxEXPAND, 5 );
+    bSizer165->Add( bSizer16, 1, wxEXPAND, 5 );
 
 
-	m_panel33->SetSizer( bSizer165 );
-	m_panel33->Layout();
-	bSizer165->Fit( m_panel33 );
-	bSizer24->Add( m_panel33, 1, wxEXPAND, 5 );
+    m_panel33->SetSizer( bSizer165 );
+    m_panel33->Layout();
+    bSizer165->Fit( m_panel33 );
+    bSizer24->Add( m_panel33, 1, wxEXPAND, 5 );
 
-	m_staticline6 = new wxStaticLine( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLI_HORIZONTAL );
-	bSizer24->Add( m_staticline6, 0, wxEXPAND, 5 );
+    m_staticline6 = new wxStaticLine( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLI_HORIZONTAL );
+    bSizer24->Add( m_staticline6, 0, wxEXPAND, 5 );
 
-	wxBoxSizer* bSizer25;
-	bSizer25 = new wxBoxSizer( wxVERTICAL );
+    wxBoxSizer* bSizer25;
+    bSizer25 = new wxBoxSizer( wxVERTICAL );
 
-	m_checkBoxCustom = new wxCheckBox( this, wxID_ANY, _("dummy"), wxDefaultPosition, wxDefaultSize, 0 );
-	bSizer25->Add( m_checkBoxCustom, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 5 );
+    m_checkBoxCustom = new wxCheckBox( this, wxID_ANY, _("dummy"), wxDefaultPosition, wxDefaultSize, 0 );
+    bSizer25->Add( m_checkBoxCustom, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 5 );
 
-	bSizerStdButtons = new wxBoxSizer( wxHORIZONTAL );
+    bSizerStdButtons = new wxBoxSizer( wxHORIZONTAL );
 
-	m_buttonAccept = new wxButton( this, wxID_YES, _("dummy"), wxDefaultPosition, wxSize( -1,-1 ), 0 );
+    m_buttonAccept = new wxButton( this, wxID_YES, _("dummy"), wxDefaultPosition, wxSize( -1, -1 ), 0 );
 
-	m_buttonAccept->SetDefault();
-	bSizerStdButtons->Add( m_buttonAccept, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT|wxLEFT, 5 );
+    m_buttonAccept->SetDefault();
+    bSizerStdButtons->Add( m_buttonAccept, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT|wxLEFT, 5 );
 
-	m_buttonAcceptAll = new wxButton( this, wxID_YESTOALL, _("dummy"), wxDefaultPosition, wxSize( -1,-1 ), 0 );
-	bSizerStdButtons->Add( m_buttonAcceptAll, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT, 5 );
+    m_buttonAcceptAll = new wxButton( this, wxID_YESTOALL, _("dummy"), wxDefaultPosition, wxSize( -1, -1 ), 0 );
+    bSizerStdButtons->Add( m_buttonAcceptAll, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT, 5 );
 
-	m_buttonDecline = new wxButton( this, wxID_NO, _("dummy"), wxDefaultPosition, wxSize( -1,-1 ), 0 );
-	bSizerStdButtons->Add( m_buttonDecline, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT, 5 );
+    m_buttonDecline = new wxButton( this, wxID_NO, _("dummy"), wxDefaultPosition, wxSize( -1, -1 ), 0 );
+    bSizerStdButtons->Add( m_buttonDecline, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT, 5 );
 
-	m_buttonCancel = new wxButton( this, wxID_CANCEL, _("Cancel"), wxDefaultPosition, wxSize( -1,-1 ), 0 );
-	bSizerStdButtons->Add( m_buttonCancel, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT, 5 );
+    m_buttonCancel = new wxButton( this, wxID_CANCEL, _("Cancel"), wxDefaultPosition, wxSize( -1, -1 ), 0 );
+    bSizerStdButtons->Add( m_buttonCancel, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxRIGHT, 5 );
 
 
-	bSizer25->Add( bSizerStdButtons, 0, wxALIGN_RIGHT, 5 );
+    bSizer25->Add( bSizerStdButtons, 0, wxALIGN_RIGHT, 5 );
 
 
-	bSizer24->Add( bSizer25, 0, wxEXPAND, 5 );
+    bSizer24->Add( bSizer25, 0, wxEXPAND, 5 );
 
 
-	this->SetSizer( bSizer24 );
-	this->Layout();
-	bSizer24->Fit( this );
+    this->SetSizer( bSizer24 );
+    this->Layout();
+    bSizer24->Fit( this );
 
-	this->Centre( wxBOTH );
+    this->Centre( wxBOTH );
 
-	// Connect Events
-	this->Connect( wxEVT_CLOSE_WINDOW, wxCloseEventHandler( PopupDialogGenerated::OnClose ) );
-	m_checkBoxCustom->Connect( wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler( PopupDialogGenerated::OnCheckBoxClick ), NULL, this );
-	m_buttonAccept->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PopupDialogGenerated::OnButtonAccept ), NULL, this );
-	m_buttonAcceptAll->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PopupDialogGenerated::OnButtonAcceptAll ), NULL, this );
-	m_buttonDecline->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PopupDialogGenerated::OnButtonDecline ), NULL, this );
-	m_buttonCancel->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PopupDialogGenerated::OnCancel ), NULL, this );
+    // Connect Events
+    this->Connect( wxEVT_CLOSE_WINDOW, wxCloseEventHandler( PopupDialogGenerated::onClose ) );
+    m_checkBoxCustom->Connect( wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler( PopupDialogGenerated::onCheckBoxClick ), NULL, this );
+    m_buttonAccept->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PopupDialogGenerated::onButtonAccept ), NULL, this );
+    m_buttonAcceptAll->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PopupDialogGenerated::onButtonAcceptAll ), NULL, this );
+    m_buttonDecline->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PopupDialogGenerated::onButtonDecline ), NULL, this );
+    m_buttonCancel->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( PopupDialogGenerated::onCancel ), NULL, this );
 }
 
 PopupDialogGenerated::~PopupDialogGenerated()
diff --git a/wx+/popup_dlg_generated.h b/wx+/popup_dlg_generated.h
index 8191ca0f..52bd593c 100644
--- a/wx+/popup_dlg_generated.h
+++ b/wx+/popup_dlg_generated.h
@@ -38,34 +38,34 @@
 ///////////////////////////////////////////////////////////////////////////////
 class PopupDialogGenerated : public wxDialog
 {
-	private:
+private:
 
-	protected:
-		wxPanel* m_panel33;
-		wxStaticBitmap* m_bitmapMsgType;
-		wxStaticText* m_staticTextMain;
-		wxTextCtrl* m_textCtrlTextDetail;
-		wxStaticLine* m_staticline6;
-		wxCheckBox* m_checkBoxCustom;
-		wxBoxSizer* bSizerStdButtons;
-		wxButton* m_buttonAccept;
-		wxButton* m_buttonAcceptAll;
-		wxButton* m_buttonDecline;
-		wxButton* m_buttonCancel;
+protected:
+    wxPanel* m_panel33;
+    wxStaticBitmap* m_bitmapMsgType;
+    wxStaticText* m_staticTextMain;
+    wxTextCtrl* m_textCtrlTextDetail;
+    wxStaticLine* m_staticline6;
+    wxCheckBox* m_checkBoxCustom;
+    wxBoxSizer* bSizerStdButtons;
+    wxButton* m_buttonAccept;
+    wxButton* m_buttonAcceptAll;
+    wxButton* m_buttonDecline;
+    wxButton* m_buttonCancel;
 
-		// Virtual event handlers, overide them in your derived class
-		virtual void OnClose( wxCloseEvent& event ) { event.Skip(); }
-		virtual void OnCheckBoxClick( wxCommandEvent& event ) { event.Skip(); }
-		virtual void OnButtonAccept( wxCommandEvent& event ) { event.Skip(); }
-		virtual void OnButtonAcceptAll( wxCommandEvent& event ) { event.Skip(); }
-		virtual void OnButtonDecline( wxCommandEvent& event ) { event.Skip(); }
-		virtual void OnCancel( wxCommandEvent& event ) { event.Skip(); }
+    // Virtual event handlers, overide them in your derived class
+    virtual void onClose( wxCloseEvent& event ) { event.Skip(); }
+    virtual void onCheckBoxClick( wxCommandEvent& event ) { event.Skip(); }
+    virtual void onButtonAccept( wxCommandEvent& event ) { event.Skip(); }
+    virtual void onButtonAcceptAll( wxCommandEvent& event ) { event.Skip(); }
+    virtual void onButtonDecline( wxCommandEvent& event ) { event.Skip(); }
+    virtual void onCancel( wxCommandEvent& event ) { event.Skip(); }
 
 
-	public:
+public:
 
-		PopupDialogGenerated( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("dummy"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER );
-		~PopupDialogGenerated();
+    PopupDialogGenerated( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("dummy"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER );
+    ~PopupDialogGenerated();
 
 };
 
diff --git a/wx+/rtl.h b/wx+/rtl.h
index 8e386b49..7b1c7926 100644
--- a/wx+/rtl.h
+++ b/wx+/rtl.h
@@ -33,7 +33,7 @@ wxImage mirrorIfRtl(const wxImage& img);
 //---------------------- implementation ------------------------
 namespace impl
 {
-//don't use wxDC::DrawLabel: 
+//don't use wxDC::DrawLabel:
 //  - expensive GetTextExtent() call even when passing an empty string!!!
 //  - 1-off alignment bugs!
 inline
diff --git a/wx+/toggle_button.h b/wx+/toggle_button.h
index 0a359c5c..560ad77e 100644
--- a/wx+/toggle_button.h
+++ b/wx+/toggle_button.h
@@ -24,7 +24,7 @@ public:
                  const wxSize&      size = wxDefaultSize,
                  long               style = 0,
                  const wxValidator& validator = wxDefaultValidator,
-                 const wxString&    name = wxButtonNameStr) :
+                 const wxString&    name = wxASCII_STR(wxButtonNameStr)) :
         wxBitmapButton(parent, id, bitmap, pos, size, style, validator, name) {}
 
     //wxButton constructor
@@ -35,7 +35,7 @@ public:
                  const wxSize&      size = wxDefaultSize,
                  long               style = 0,
                  const wxValidator& validator = wxDefaultValidator,
-                 const wxString&    name = wxButtonNameStr) :
+                 const wxString&    name = wxASCII_STR(wxButtonNameStr)) :
         wxBitmapButton(parent, id, wxNullBitmap, pos, size, style, validator, name)
     {
         SetLabel(label);