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- LISTING 3
- Program Flags
-
- /*
- MyFlags.h Program Codes and/or Errors.
-
- The masks should be ORed with the programs'
- status variable to set the flag bit.
-
- To clear a flag bit in the program's status
- variable AND with 1's complement of the mask.
- */
-
- unsigned int flag=0; // Program status flag.
-
- #define WRITEFAILED 0x0001 // Write to file failed.
- #define WINSIZEICON 0x0002 // Window is minimized.
- #define RETAKEDATA 0x0004 // Retry a data reading.
- #define SIZEREQUEST 0x0008 // Size of window changed.
- #define DEBUGPROGMAN 0x0010 // Info for debugging.
- #define DATASTORED 0x0020 // Data loaded in program.
- #define GRIDREQUEST 0x0040 // Display grid on graph.
- #define AUTOSCALING 0x0080 // Autoscale graph.
- #define INITIALIZED 0x1000 // Program variables
- // initialized from parameter file at load time.
-
- #define ACQUIRINGDATA 0x4000 // Data acq is running.
- #define USERABORT 0x8000 // User aborted last
- // operation, e.g. data acq, dialog box, program, etc.
- /*
- Common Statements using the program's
- status variable:
- e.g. if ( IsAbort) return(FALSE);
- */
- #define IsAbort (flag & USERABORT)
- #define SetAbort (flag |= USERABORT)
- #define ResetAbort (flag &= ~USERABORT)
-
- #define IsDataAcq (flag & ACQURINGDATA)
- #define SetDataAcq (flag |= ACQURINGDATA)
- #define ResetDataAcq (flag &= ~ACQURINGDATA)
-
- #define IsRetry (flag & RETAKEDATA)
- #define SetRetry (flag |= RETAKEDATA)
- #define ResetRetry (flag &= ~RETAKEDATA)
-
- #define IsDebug (flag & DEBUGPROGMAN)
- #define SetDebug (flag |= DEBUGPROGMAN)
- #define ResetDebug (flag &= ~DEBUGPROGMAN)
-
- #define IsData (flag & DATASTORED)
- #define SetData (flag |= DATASTORED)
- #define ResetData (flag &= ~DATASTORED)
-
- etc.
- etc.
- etc.
-
- #define IsResize (flag & SIZEREQUEST)
- #define SetResize (flag |= SIZEREQUEST)
- #define ResetResize (flag &= ~SIZEREQUEST)
-
-