Make drawframe.cpp's StatusBar use field widths which are dynamically determined

base on expected text and current window font.

Expand the virtual world to 2.14 meters in the nanometer build of PCBNEW.
This seems to be holding up for now.

common/drawframe.cpp

@@ -88,8 +88,6 @@ EDA_DRAW_FRAME::EDA_DRAW_FRAME( wxWindow* father, int idtype, const wxString& ti
                                 const wxPoint& pos, const wxSize& size, long style ) :
     EDA_BASE_FRAME( father, idtype, title, pos, size, style )
 {
-    wxSize minsize;
-
     m_drawToolBar         = NULL;
     m_optionsToolBar      = NULL;
     m_gridSelectBox       = NULL;
@@ -110,27 +108,43 @@ EDA_DRAW_FRAME::EDA_DRAW_FRAME( wxWindow* father, int idtype, const wxString& ti
     m_GridColor           = DARKGRAY;   // Grid color
     m_snapToGrid          = true;
 
-    // Internal units per inch: = 1000 for schema, = 10000 for PCB
-    minsize.x             = 470;
-    minsize.y             = 350 + m_MsgFrameHeight;
-
-    // Pane sizes for status bar.
-    // @todo these should be sized based on typical text content, like
-    // "dx -10.123 -10.123 dy -10.123 -10.123" using the system font which is
-    // in play on a particular platform, and should not be constants.
-    // Please do not reduce these constant values, and please use dynamic
-    // system font specific sizing in the future.
-    #define ZOOM_DISPLAY_SIZE       60
-    #define COORD_DISPLAY_SIZE      165
-    #define DELTA_DISPLAY_SIZE      245
-    #define UNITS_DISPLAY_SIZE      65
+    //#define ZOOM_DISPLAY_SIZE       60
+    //#define COORD_DISPLAY_SIZE      165
+    //#define DELTA_DISPLAY_SIZE      245
+    //#define UNITS_DISPLAY_SIZE      65
     #define FUNCTION_DISPLAY_SIZE   110
-    static const int dims[6] = { -1, ZOOM_DISPLAY_SIZE,
-        COORD_DISPLAY_SIZE, DELTA_DISPLAY_SIZE,
-        UNITS_DISPLAY_SIZE, FUNCTION_DISPLAY_SIZE };
 
     CreateStatusBar( 6 );
-    SetStatusWidths( 6, dims );
+
+    // set the size of the status bar subwindows:
+
+    wxWindow* stsbar = GetStatusBar();
+
+
+    int dims[] = {
+
+        // balance of status bar on far left is set to a default or whatever is left over.
+        -1,
+
+        // When using GetTextSize() remember the width of '1' is not the same
+        // as the width of '0' unless the font is fixed width, and it usually won't be.
+
+        // zoom:
+        GetTextSize( wxT( "Z 762000" ), stsbar ).x + 10,
+
+        // cursor coords
+        GetTextSize( wxT( "X 0234.567890  Y 0234.567890" ), stsbar ).x + 10,
+
+        // delta distances
+        GetTextSize( wxT( "dx 0234.567890  dx 0234.567890  d 0234.567890" ), stsbar ).x + 10,
+
+        // units display, Inches is bigger than mm
+        GetTextSize( wxT( "Inches" ), stsbar ).x + 10,
+
+        FUNCTION_DISPLAY_SIZE,
+    };
+
+    SetStatusWidths( DIM( dims ), dims );
 
     // Create child subwindows.
     GetClientSize( &m_FrameSize.x, &m_FrameSize.y );
@@ -660,10 +674,12 @@ bool EDA_DRAW_FRAME::HandleBlockBegin( wxDC* aDC, int aKey, const wxPoint& aPosi
     return true;
 }
 
-#define SAFETY_MARGIN   100
 
-// see comment in classpcb.cpp near line 66
-static const double MAX_AXIS = 1518500251 - SAFETY_MARGIN;
+// See comment in classpcb.cpp near line 66
+//static const double MAX_AXIS = 1518500251;
+
+// However I am not seeing a problem with this size yet:
+static const double MAX_AXIS = INT_MAX - 100;
 
 #define VIRT_MIN    (-MAX_AXIS/2.0)     ///< min X or Y coordinate in virtual space
 #define VIRT_MAX    (MAX_AXIS/2.0)      ///< max X or Y coordinate in virtual space