use -1 instead of 0xFFFFFFFF for ON_UPDSECDC_DONOTHING; chang return type of GetGDCapability to Uint32

include/gdi.h

@@ -1155,7 +1155,7 @@ MG_EXPORT BOOL GUIAPI InitPolygonRegion (PCLIPRGN dst,
     #define GDCAP_DPI_MINIMAL   36
 
 /**
- * \fn unsigned int GUIAPI GetGDCapability (HDC hdc, int iItem)
+ * \fn Uint32 GUIAPI GetGDCapability (HDC hdc, int iItem)
  * \brief Returns a capability of a DC.
  *
  * This function returns the capability of the specified item \a iItem of
@@ -1201,7 +1201,7 @@ MG_EXPORT BOOL GUIAPI InitPolygonRegion (PCLIPRGN dst,
  *
  * \return The capbility.
  */
-MG_EXPORT unsigned int GUIAPI GetGDCapability (HDC hdc, int iItem);
+MG_EXPORT Uint32 GUIAPI GetGDCapability (HDC hdc, int iItem);
 
 /**
  * \fn HDC GUIAPI GetDC (HWND hwnd)
@@ -1911,7 +1911,7 @@ typedef int (* ON_UPDATE_SECONDARYDC)(HWND hwnd, HDC secondary_dc,
         const RECT* main_update_rc);
 
 #define ON_UPDSECDC_DEFAULT     ((ON_UPDATE_SECONDARYDC)0)
-#define ON_UPDSECDC_DONOTHING   ((ON_UPDATE_SECONDARYDC)0xFFFFFFFF)
+#define ON_UPDSECDC_DONOTHING   ((ON_UPDATE_SECONDARYDC)-1)
 
 /**
  * \fn HDC GUIAPI SetSecondaryDC (HWND hwnd, HDC secondary_dc, \

src/newgdi/gdi.c

@@ -337,17 +337,17 @@ void mg_TerminateGDI( void )
 #endif
 
 /*
- * Function: int GUIAPI GetGDCapability( int iItem)
+ * Function: Uint32 GUIAPI GetGDCapability( int iItem)
  *      This Function return DC parameters.
  * Parameters:
  *      The element want to retrive.
  * Return:
  *      The parameter.
  */
-unsigned int GUIAPI GetGDCapability (HDC hdc, int iItem)
+Uint32 GUIAPI GetGDCapability (HDC hdc, int iItem)
 {
     PDC pdc;
-    unsigned int iret = 0xFFFFFFFF;
+    Uint32 iret = 0xFFFFFFFF;
 
     pdc = dc_HDC2PDC (hdc);
 

src/sysres/mgetc.c

@@ -496,7 +496,7 @@ static char* _flat_values[]={
     "1",
     "16",
 //window element colors
-    "0xFFFFFFFFF",
+    "0xFFFFFFFF",
     "0xFF000000",
     "0xFF000000",
     "0xFF000000",

src/sysres/mgetc_win32.c

@@ -497,7 +497,7 @@ static char* _flat_values[]={
     "1",
     "16",
 //window element colors
-    "0xFFFFFFFFF",
+    "0xFFFFFFFF",
     "0xFF000000",
     "0xFF000000",
     "0xFF000000",