Added space under label since it was too close to first radio button.

[wxWidgets.git] / src / msw / gaugemsw.cpp

diff --git a/src/msw/gaugemsw.cpp b/src/msw/gaugemsw.cpp
index 97fc9b7cfb66d6ad4339df7dcbb11af7a1dd170b..380a30e516691b774bd401402acea5710886d8c1 100644 (file)
--- a/src/msw/gaugemsw.cpp
+++ b/src/msw/gaugemsw.cpp
@@ -25,7 +25,7 @@
 #include "wx/utils.h"
 #endif
 
 #include "wx/utils.h"
 #endif
 

-#if wxUSE_GAUGE 
+#if wxUSE_GAUGE

 
 #include "wx/msw/gaugemsw.h"
 #include "wx/msw/private.h"
 
 #include "wx/msw/gaugemsw.h"
 #include "wx/msw/private.h"


@@ -60,9 +60,7 @@
 /* public function prototypes */
 BOOL FAR PASCAL gaugeInit(HINSTANCE hInstance);
 
 /* public function prototypes */
 BOOL FAR PASCAL gaugeInit(HINSTANCE hInstance);
 

-#if !USE_SHARED_LIBRARY

 IMPLEMENT_DYNAMIC_CLASS(wxGaugeMSW, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(wxGaugeMSW, wxControl)

-#endif

 
 bool wxGaugeMSW::Create(wxWindow *parent, wxWindowID id,
            int range,
 
 bool wxGaugeMSW::Create(wxWindow *parent, wxWindowID id,
            int range,


@@ -82,7 +80,9 @@ bool wxGaugeMSW::Create(wxWindow *parent, wxWindowID id,
   }
 
   SetName(name);
   }
 
   SetName(name);

+#if wxUSE_VALIDATORS

   SetValidator(validator);
   SetValidator(validator);

+#endif // wxUSE_VALIDATORS

 
   if (parent) parent->AddChild(this);
   m_rangeMax = range;
 
   if (parent) parent->AddChild(this);
   m_rangeMax = range;


@@ -104,10 +104,16 @@ bool wxGaugeMSW::Create(wxWindow *parent, wxWindowID id,
   int height = size.y;
 
   long msFlags = WS_CHILD | WS_VISIBLE | WS_TABSTOP;
   int height = size.y;
 
   long msFlags = WS_CHILD | WS_VISIBLE | WS_TABSTOP;

-  msFlags |= ZYZGS_3D;
+  bool want3D;
+  WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
+  if (want3D)
+    msFlags |= ZYZGS_3D;
+
+  if ( m_windowStyle & wxCLIP_SIBLINGS )
+    msFlags |= WS_CLIPSIBLINGS;

 
   HWND wx_button =
 
   HWND wx_button =

-      CreateWindowEx(MakeExtendedStyle(m_windowStyle), "zYzGauge", NULL, msFlags,
+      CreateWindowEx(MakeExtendedStyle(m_windowStyle), wxT("zYzGauge"), NULL, msFlags,

                     0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
                     wxGetInstance(), NULL);
 
                     0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
                     wxGetInstance(), NULL);
 


@@ -122,12 +128,15 @@ bool wxGaugeMSW::Create(wxWindow *parent, wxWindowID id,
     wOrient = ZYZG_ORIENT_LEFTTORIGHT;
   else
     wOrient = ZYZG_ORIENT_BOTTOMTOTOP;
     wOrient = ZYZG_ORIENT_LEFTTORIGHT;
   else
     wOrient = ZYZG_ORIENT_BOTTOMTOTOP;

-  
+

   SendMessage(wx_button, ZYZG_SETORIENTATION, wOrient, 0);
   SendMessage(wx_button, ZYZG_SETRANGE, range, 0);
 
   SendMessage(wx_button, ZYZG_SETORIENTATION, wOrient, 0);
   SendMessage(wx_button, ZYZG_SETRANGE, range, 0);
 

-  SendMessage((HWND) GetHWND(), ZYZG_SETFGCOLOR, 0, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
-  SendMessage((HWND) GetHWND(), ZYZG_SETBKCOLOR, 0, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
+  SendMessage(GetHwnd(), ZYZG_SETFGCOLOR, 0, PALETTERGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+  SendMessage(GetHwnd(), ZYZG_SETBKCOLOR, 0, PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
+
+  //SetBezelFace(1);
+  //SetShadowWidth(1);

 
   SetFont(parent->GetFont());
 
 
   SetFont(parent->GetFont());
 


@@ -137,85 +146,53 @@ bool wxGaugeMSW::Create(wxWindow *parent, wxWindowID id,
     height = 50;
   SetSize(x, y, width, height);
 
     height = 50;
   SetSize(x, y, width, height);
 

-  ShowWindow((HWND) GetHWND(), SW_SHOW);
+  ShowWindow(GetHwnd(), SW_SHOW);

 
   return TRUE;
 }
 
 
   return TRUE;
 }
 

-void wxGaugeMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
-{
-  int currentX, currentY;
-  GetPosition(&currentX, &currentY);
-  int x1 = x;
-  int y1 = y;
-  int w1 = width;
-  int h1 = height;
-
-  if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-    x1 = currentX;
-  if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-    y1 = currentY;
-
-  AdjustForParentClientOrigin(x1, y1, sizeFlags);
-
-  // If we're prepared to use the existing size, then...
-  if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
-  {
-    GetSize(&w1, &h1);
-  }
-
-  // Deal with default size (using -1 values)
-  if (w1<=0)
-    w1 = DEFAULT_ITEM_WIDTH;
-
-  if (h1<=0)
-    h1 = DEFAULT_ITEM_HEIGHT;
-
-  MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
-}
-

 void wxGaugeMSW::SetShadowWidth(int w)
 {
 void wxGaugeMSW::SetShadowWidth(int w)
 {

-  SendMessage((HWND) GetHWND(), ZYZG_SETWIDTH3D, w, 0);
+  SendMessage(GetHwnd(), ZYZG_SETWIDTH3D, w, 0);

 }
 
 void wxGaugeMSW::SetBezelFace(int w)
 {
 }
 
 void wxGaugeMSW::SetBezelFace(int w)
 {

-  SendMessage((HWND) GetHWND(), ZYZG_SETBEZELFACE, w, 0);
+  SendMessage(GetHwnd(), ZYZG_SETBEZELFACE, w, 0);

 }
 
 void wxGaugeMSW::SetRange(int r)
 {
   m_rangeMax = r;
 
 }
 
 void wxGaugeMSW::SetRange(int r)
 {
   m_rangeMax = r;
 

-  SendMessage((HWND) GetHWND(), ZYZG_SETRANGE, r, 0);
+  SendMessage(GetHwnd(), ZYZG_SETRANGE, r, 0);

 }
 
 void wxGaugeMSW::SetValue(int pos)
 {
   m_gaugePos = pos;
 
 }
 
 void wxGaugeMSW::SetValue(int pos)
 {
   m_gaugePos = pos;
 

-  SendMessage((HWND) GetHWND(), ZYZG_SETPOSITION, pos, 0);
+  SendMessage(GetHwnd(), ZYZG_SETPOSITION, pos, 0);

 }
 
 int wxGaugeMSW::GetShadowWidth(void) const
 {
 }
 
 int wxGaugeMSW::GetShadowWidth(void) const
 {

-  return (int) SendMessage((HWND) GetHWND(), ZYZG_GETWIDTH3D, 0, 0);
+  return (int) SendMessage(GetHwnd(), ZYZG_GETWIDTH3D, 0, 0);

 }
 
 int wxGaugeMSW::GetBezelFace(void) const
 {
 }
 
 int wxGaugeMSW::GetBezelFace(void) const
 {

-  return (int) SendMessage((HWND) GetHWND(), ZYZG_GETBEZELFACE, 0, 0);
+  return (int) SendMessage(GetHwnd(), ZYZG_GETBEZELFACE, 0, 0);

 }
 
 int wxGaugeMSW::GetRange(void) const
 {
 }
 
 int wxGaugeMSW::GetRange(void) const
 {

-  return (int) SendMessage((HWND) GetHWND(), ZYZG_GETRANGE, 0, 0);
+  return (int) SendMessage(GetHwnd(), ZYZG_GETRANGE, 0, 0);

 }
 
 int wxGaugeMSW::GetValue(void) const
 {
 }
 
 int wxGaugeMSW::GetValue(void) const
 {

-  return (int) SendMessage((HWND) GetHWND(), ZYZG_GETPOSITION, 0, 0);
+  return (int) SendMessage(GetHwnd(), ZYZG_GETPOSITION, 0, 0);

 }
 
 bool wxGaugeMSW::SetForegroundColour(const wxColour& col)
 }
 
 bool wxGaugeMSW::SetForegroundColour(const wxColour& col)


@@ -223,7 +200,7 @@ bool wxGaugeMSW::SetForegroundColour(const wxColour& col)
     if ( !wxControl::SetForegroundColour(col) )
         return FALSE;
 
     if ( !wxControl::SetForegroundColour(col) )
         return FALSE;
 

-    SendMessage((HWND) GetHWND(), ZYZG_SETFGCOLOR, 0, RGB(col.Red(), col.Green(), col.Blue()));
+    SendMessage(GetHwnd(), ZYZG_SETFGCOLOR, 0, PALETTERGB(col.Red(), col.Green(), col.Blue()));

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -233,7 +210,7 @@ bool wxGaugeMSW::SetBackgroundColour(const wxColour& col)
     if ( !wxControl::SetBackgroundColour(col) )
         return FALSE;
 
     if ( !wxControl::SetBackgroundColour(col) )
         return FALSE;
 

-    SendMessage((HWND) GetHWND(), ZYZG_SETBKCOLOR, 0, RGB(col.Red(), col.Green(), col.Blue()));
+    SendMessage(GetHwnd(), ZYZG_SETBKCOLOR, 0, PALETTERGB(col.Red(), col.Green(), col.Blue()));

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -241,7 +218,7 @@ bool wxGaugeMSW::SetBackgroundColour(const wxColour& col)
 
 /** zyz3d.c
  *
 
 /** zyz3d.c
  *

- *  DESCRIPTION: 
+ *  DESCRIPTION:

  *      This module contains functions for creating nifty 3D borders
  *      around controls like zYzGauge.
  *
  *      This module contains functions for creating nifty 3D borders
  *      around controls like zYzGauge.
  *


@@ -283,7 +260,7 @@ void FAR PASCAL Draw3DLine(HDC, WORD, WORD, WORD, WORD, WORD);
 
 /** void FAR PASCAL Draw3DFaceFrame(HDC hdc, LPRECT rc, WORD wWidth)
  *
 
 /** void FAR PASCAL Draw3DFaceFrame(HDC hdc, LPRECT rc, WORD wWidth)
  *

- *  DESCRIPTION: 
+ *  DESCRIPTION:

  *      This function draws a flat frame with the current button-face
  *      color.
  *
  *      This function draws a flat frame with the current button-face
  *      color.
  *


@@ -353,7 +330,7 @@ void FAR PASCAL Draw3DFaceFrame(HDC hdc, LPRECT rc, WORD wWidth)
 
 /** void FAR PASCAL Draw3DRect(HDC, LPRECT, WORD, WORD)
  *
 
 /** void FAR PASCAL Draw3DRect(HDC, LPRECT, WORD, WORD)
  *

- *  DESCRIPTION: 
+ *  DESCRIPTION:

  *      Draws a 3D rectangle that is shaded.  wFlags can be used to
  *      control how the rectangle looks.
  *
  *      Draws a 3D rectangle that is shaded.  wFlags can be used to
  *      control how the rectangle looks.
  *


@@ -415,7 +392,7 @@ void FAR PASCAL Draw3DRect(HDC hdc, LPRECT lpRect,
 
 /** void FAR PASCAL Draw3DLine(HDC hdc, WORD x, WORD y, WORD nLen,
  *
 
 /** void FAR PASCAL Draw3DLine(HDC hdc, WORD x, WORD y, WORD nLen,
  *

- *  DESCRIPTION: 
+ *  DESCRIPTION:

  *      Draws a 3D line that can be used to make a 3D box.
  *
  *  ARGUMENTS:
  *      Draws a 3D line that can be used to make a 3D box.
  *
  *  ARGUMENTS:


@@ -454,7 +431,7 @@ void FAR PASCAL Draw3DRect(HDC hdc, LPRECT lpRect,
  ** cjp */
 
 void FAR PASCAL Draw3DLine(HDC hdc, WORD x, WORD y, WORD nLen,
  ** cjp */
 
 void FAR PASCAL Draw3DLine(HDC hdc, WORD x, WORD y, WORD nLen,

-                               WORD wShadowWidth, WORD wFlags) 
+                               WORD wShadowWidth, WORD wFlags)

 {
     HBRUSH  hOldBrush;
     HPEN    hOldPen;
 {
     HBRUSH  hOldBrush;
     HPEN    hOldPen;


@@ -469,7 +446,7 @@ void FAR PASCAL Draw3DLine(HDC hdc, WORD x, WORD y, WORD nLen,
     Point[0].x = x;
     Point[0].y = y;
 
     Point[0].x = x;
     Point[0].y = y;
 

-    /*  To do this we'll simply draw a polygon with four sides, using 
+    /*  To do this we'll simply draw a polygon with four sides, using

      *  the appropriate brush.  I dare you to ask me why this isn't a
      *  switch/case!
      */
      *  the appropriate brush.  I dare you to ask me why this isn't a
      *  switch/case!
      */


@@ -528,7 +505,7 @@ void FAR PASCAL Draw3DLine(HDC hdc, WORD x, WORD y, WORD nLen,
         /* select 'dark' brush if 'in'--'light' for 'out' */
         fDark = (wFlags & DRAW3D_IN) ? TRUE : FALSE;
     }
         /* select 'dark' brush if 'in'--'light' for 'out' */
         fDark = (wFlags & DRAW3D_IN) ? TRUE : FALSE;
     }

-    
+

     /* well maybe it's for the right side? */
     else if (wFlags & DRAW3D_RIGHTLINE)
     {
     /* well maybe it's for the right side? */
     else if (wFlags & DRAW3D_RIGHTLINE)
     {


@@ -572,7 +549,7 @@ void FAR PASCAL Draw3DLine(HDC hdc, WORD x, WORD y, WORD nLen,
 
 /** zyzgauge.c
  *
 
 /** zyzgauge.c
  *

- *  DESCRIPTION: 
+ *  DESCRIPTION:

  *      Yet another 'Gas Gauge Custom Control.'  This control gives you
  *      a 'progress bar' class (named zYzGauge) for use in your applications.
  *      You can set the range, position, font, color, orientation, and 3d
  *      Yet another 'Gas Gauge Custom Control.'  This control gives you
  *      a 'progress bar' class (named zYzGauge) for use in your applications.
  *      You can set the range, position, font, color, orientation, and 3d


@@ -674,8 +651,8 @@ void FAR PASCAL Draw3DLine(HDC hdc, WORD x, WORD y, WORD nLen,
 
 
 /* static global variables */
 
 
 /* static global variables */

-static char gszzYzGaugeClass[] = "zYzGauge";
-    
+static wxChar gszzYzGaugeClass[] = wxT("zYzGauge");
+

 
 /* window word position definitions */
 #define ZYZG_WW_PZYZGAUGE   0
 
 /* window word position definitions */
 #define ZYZG_WW_PZYZGAUGE   0


@@ -715,7 +692,7 @@ static BOOL     fSupport3D;
 #if !defined(APIENTRY)    // NT defines APIENTRY, 3.x not
 #define APIENTRY FAR PASCAL
 #endif
 #if !defined(APIENTRY)    // NT defines APIENTRY, 3.x not
 #define APIENTRY FAR PASCAL
 #endif

- 
+

 #ifdef __WIN32__
 #define _EXPORT /**/
 #else
 #ifdef __WIN32__
 #define _EXPORT /**/
 #else


@@ -732,7 +709,7 @@ LRESULT APIENTRY _EXPORT gaugeWndProc(HWND, UINT, WPARAM, LPARAM);
 
 /** BOOL FAR PASCAL gaugeInit(HINSTANCE hInstance)
  *
 
 /** BOOL FAR PASCAL gaugeInit(HINSTANCE hInstance)
  *

- *  DESCRIPTION: 
+ *  DESCRIPTION:

  *      Registers the window class for the zYzGauge control.  Performs
  *      other initialization for the zYzGauge text control.  This must
  *      be done before the zYzGauge control is used--or it will fail
  *      Registers the window class for the zYzGauge control.  Performs
  *      other initialization for the zYzGauge text control.  This must
  *      be done before the zYzGauge control is used--or it will fail


@@ -756,7 +733,7 @@ BOOL FAR PASCAL gaugeInit(HINSTANCE hInstance)
     static BOOL fRegistered = FALSE;
     WNDCLASS    wc;
     HDC         hdc;
     static BOOL fRegistered = FALSE;
     WNDCLASS    wc;
     HDC         hdc;

-    
+

     /* assume already registered if not first instance */
     if (fRegistered)
         return (TRUE);
     /* assume already registered if not first instance */
     if (fRegistered)
         return (TRUE);


@@ -786,7 +763,8 @@ BOOL FAR PASCAL gaugeInit(HINSTANCE hInstance)
     /*  Get a DC to determine whether device is mono or not, and set
      *  default foreground/background colors as appropriate.
      */
     /*  Get a DC to determine whether device is mono or not, and set
      *  default foreground/background colors as appropriate.
      */

-    if ((hdc = CreateIC("DISPLAY", NULL, NULL, 0L)))
+    hdc = CreateIC(wxT("DISPLAY"), NULL, NULL, 0L) ;
+    if (hdc)

     {
         /* check for mono-display */
         if ((GetDeviceCaps(hdc, BITSPIXEL) == 1) &&
     {
         /* check for mono-display */
         if ((GetDeviceCaps(hdc, BITSPIXEL) == 1) &&


@@ -798,7 +776,7 @@ BOOL FAR PASCAL gaugeInit(HINSTANCE hInstance)
         }
 
         /* good! we have color: blue foreground, white background */
         }
 
         /* good! we have color: blue foreground, white background */

-        else 
+        else

         {
             rgbDefTextColor = RGB(0, 0, 255);
             rgbDefBkColor = RGB(255, 255, 255);
         {
             rgbDefTextColor = RGB(0, 0, 255);
             rgbDefBkColor = RGB(255, 255, 255);


@@ -826,7 +804,7 @@ BOOL FAR PASCAL gaugeInit(HINSTANCE hInstance)
 
 /** static void PASCAL gaugePaint(HWND hwnd, HDC hdc)
  *
 
 /** static void PASCAL gaugePaint(HWND hwnd, HDC hdc)
  *

- *  DESCRIPTION: 
+ *  DESCRIPTION:

  *      This function is responsible for painting the zYzGauge control.
  *
  *  ARGUMENTS:
  *      This function is responsible for painting the zYzGauge control.
  *
  *  ARGUMENTS:


@@ -849,7 +827,7 @@ static void PASCAL gaugePaint(HWND hwnd, HDC hdc)
     DWORD       dwExtent;
     RECT        rc1, rc2;
     HFONT       hFont;
     DWORD       dwExtent;
     RECT        rc1, rc2;
     HFONT       hFont;

-    char        ach[ 6 ];
+    wxChar      ach[ 6 ];

     WORD        dx, dy, wGomerX, wGomerY;
 /* Win32s has no GetTextExtent(); let's try GetTextExtentPoint() instead,
  * which needs a SIZE* parameter */
     WORD        dx, dy, wGomerX, wGomerY;
 /* Win32s has no GetTextExtent(); let's try GetTextExtentPoint() instead,
  * which needs a SIZE* parameter */


@@ -898,7 +876,7 @@ static void PASCAL gaugePaint(HWND hwnd, HDC hdc)
         /* add all the other pixels into the border width */
         Offset += (2 * pgauge->wWidth3D) + pgauge->wWidthBezelFace + 1;
     }
         /* add all the other pixels into the border width */
         Offset += (2 * pgauge->wWidth3D) + pgauge->wWidthBezelFace + 1;
     }

-   
+

     /* dup--one rc for 'how much filled', one rc for 'how much empty' */
     rc2 = rc1;
 
     /* dup--one rc for 'how much filled', one rc for 'how much empty' */
     rc2 = rc1;
 


@@ -940,14 +918,14 @@ static void PASCAL gaugePaint(HWND hwnd, HDC hdc)
     hFont = (HFONT) SelectObject(hdc, pgauge->hFont);
 
     /* build up a string to blit out--ie the meaning of life: "42%" */
     hFont = (HFONT) SelectObject(hdc, pgauge->hFont);
 
     /* build up a string to blit out--ie the meaning of life: "42%" */

-    wsprintf(ach, "%3d%%", (WORD)((DWORD)iPos * 100 / iRange));
+    wsprintf(ach, wxT("%3d%%"), (WORD)((DWORD)iPos * 100 / iRange));

 /* Win32s has no GetTextExtent(); let's try GetTextExtentPoint() instead */
 #if defined(__WIN32__)
     GetTextExtentPoint(hdc, ach, wGomerX = lstrlen(ach), &size);
     dwExtent = size.cx;
 #else
     dwExtent = GetTextExtent(hdc, ach, wGomerX = lstrlen(ach));
 /* Win32s has no GetTextExtent(); let's try GetTextExtentPoint() instead */
 #if defined(__WIN32__)
     GetTextExtentPoint(hdc, ach, wGomerX = lstrlen(ach), &size);
     dwExtent = size.cx;
 #else
     dwExtent = GetTextExtent(hdc, ach, wGomerX = lstrlen(ach));

-#endif  
+#endif

 
 
     /*  Draw the finished (ie the percent done) side of box.  If
 
 
     /*  Draw the finished (ie the percent done) side of box.  If


@@ -971,11 +949,11 @@ static void PASCAL gaugePaint(HWND hwnd, HDC hdc)
     /* unselect the font */
     SelectObject(hdc, hFont);
 } /* gaugePaint() */
     /* unselect the font */
     SelectObject(hdc, hFont);
 } /* gaugePaint() */

-  
+

 
 /** LRESULT FAR PASCAL gaugeWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
  *
 
 /** LRESULT FAR PASCAL gaugeWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
  *

- *  DESCRIPTION: 
+ *  DESCRIPTION:

  *      This is the control's window procedure.  Its purpose is to handle
  *      special messages for this custom control.
  *
  *      This is the control's window procedure.  Its purpose is to handle
  *      special messages for this custom control.
  *


@@ -990,7 +968,7 @@ static void PASCAL gaugePaint(HWND hwnd, HDC hdc)
  *          ZYZG_SETORIENTATION :   Sets the orientation of the gauge.  This
  *                                  can be one of the ZYZG_ORIENT_?? msgs.
  *
  *          ZYZG_SETORIENTATION :   Sets the orientation of the gauge.  This
  *                                  can be one of the ZYZG_ORIENT_?? msgs.
  *

- *          ZYZG_GETORIENTATION :   Gets the current orientation of the 
+ *          ZYZG_GETORIENTATION :   Gets the current orientation of the

  *                                  gauge.
  *
  *          ZYZG_SETPOSITION    :   Sets the current position of the gauge.
  *                                  gauge.
  *
  *          ZYZG_SETPOSITION    :   Sets the current position of the gauge.


@@ -1159,7 +1137,8 @@ zyzgForceRepaint3D:
 
         case WM_SETFONT:
             /* if NULL hFont, use system font */
 
         case WM_SETFONT:
             /* if NULL hFont, use system font */

-            if (!(hFont = (HFONT)wParam))
+            hFont = (HFONT)wParam ;
+            if (!hFont)

                 hFont = (HFONT) GetStockObject(SYSTEM_FONT);
 
             pgauge->hFont = hFont;
                 hFont = (HFONT) GetStockObject(SYSTEM_FONT);
 
             pgauge->hFont = hFont;