FnSnap: FNSNAP Obsolete functions

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Window and screen processing

FNMGCLR - clears a message form the fnpick message line

FNMGCLR ! Clear message and reset error processing flags

Description|
Clears the message line form the old FNSNAP message line setup

Functions used |

Variables


Comments



FNSAVPART - legacy function to save a portion of the screen - obsolete in 4.17

FNSAVPART(SR$,SC1$,ER$,EC$,CLEARIT) !:

Description|
Saves a portion of the screen - this is a legacy from character days

Functions used |

Variables


Comments



FNRELPART - legacy function to clear a portion of the screen obsolete in 4.17

FNRELPART(SCRREF,RESTSCR) !:

Description|

Functions used |

Variables


Comments



FNWIN - legacy function to open a window in numeric order

FNWIN(SR$,SC1$,ER$,EC$,WINTITL$*80,BORDTYP$*32,WINCOL$,WINNUM,DIMLST) !:

Description|
Opens a window and assigns an incremental number to the window.

Functions used |

Variables


Comments



FNCLSWIN - legacy function to close a window opened by FNWIN

FNCLSWIN(CLRWIN) !:

Description|
Closes the last window opened by FNWIN and sets the window number to zero

Functions used |

Variables


Comments


FNPM - legacy message box on the main window

FNPM(TXT$*78;CENTER) !:

Description|
Prints a message on the message line and optionally center the text.

Functions used |

Variables
The message line must have been previously defined in the library. See FNINIT


Comments



Point and pick

FNKEYSEL - direct file look up function requires a fixed position font

[PICT(PICS\SNAP0012.ptf)] 

FNKEYSEL(SROW$,SCOL$,PP,&KEY$,FILENBR,FORM$*100,BT$*80,BTP$,MAXL,HK$*40,HLPFIL$*80,HLPELE) !:

Description|
A legacy direct point and shoot listing of records in a file. Character based and not GUI looking.

Functions used |

Variables


Comments



FNPICK_EX - A point and shoot legacy using a single matrix requires a fixed position font

[PICT(PICS\SNAP0011.ptf)] 

FNPICK_EX(PICK_OPS,SROW$,SCOL$,PP,MAT L$,WINTITLE$*80,BORDTYPE$,MAXL,HK$*40,HLPFIL$*80,PTYP,HLPELE,MANY,RPTFCOL,AUTOSEL,MAT SEL_TYPES$,&MUSTRSET,SEARCHON,SSTR$*40;MAT SEL,&SCPT,&XKEY,MAT PICKWIN)

Description|

Functions used |

Variables


Comments



FNPICK - A point and shoot legacy using a single matrix requires a fixed position font

FNPICK(PICK_OPS,SROW$,SCOL$,PP,MAT L$,WINTITLE$*80,BORDTYPE$,MAXL,HK$*40,HLPFIL$*80,PTYP,HLPELE,MANY,RPTFCOL,AUTOSEL,MAT SEL_TYPES$,&MUSTRSET,SEARCHON,SSTR$*40;MAT SEL,&SCPT,&XKEY)

Description|

Functions used |

Variables


Comments




FNKEYSEL_EX - a legacy direct file access point and shoot requires a fixed sized font

FNKEYSEL_EX(SROW$,SCOL$,PER_WIN,&KEY$,FILENBR,KFORM$*100,NBRFIELDS,RETKEYFIELD,ACTKEYFIELD,CANCELKEY,WINTITLE$*80,BORDTYPE$,TOTLENGTH,HK$*40,HLPFIL$*40,HLPELE;KEY_CHECK,KEY_CHECK_FIELD$*30) !:

Description|

Functions used |

Variables


Comments



FNPOPUP - legacy code for a pop-up choice box

FNPOPUP(MAT MOPT$,MAT HOTKEY$,SROW$,SCOL$,MENUTITLE$*80,MENUBORDER$,MAT HM$,HMROW,HK$*40,HLPFIL$*60,OPLEN,POPNUM;POPRESET) !:

Description|
Created a pop up list box with options. This is an old character based function that has been converted to use the new gui.

Functions used |

Variables


Comments



Supporting functions

Data transfer between program and library

FNPUTPICKWIN - transfers pick window number to FNSNAP form program
FNPUTPICKWIN(MAT PPICKWIN)

Description|
Transfers the PICKWIN matrix from the calling program to FNSNAP

Functions used |None

Variables
MAT PPICKWIN matrix to transfer


Comments



FNGETPICKWIN - retrieve pick window matrix from FNSNAP
FNGETPICKWIN(MAT PPICKWIN)

Description|
Transfers the PICKWIN matrix from FNSNAP to the calling program

Functions used |None

Variables
MAT PPICKWIN matrix to transfer


Comments



FNPICKWIN - gets the current pick window from fnsnap library
FNPICKWIN(WIN,VALWIN) !:

Description|

Functions used |

Variables


Comments



FNWINDEV - returns the number of the currentlyactive FNSNAP window using the old system

If FNWIN is being used to open windows then FNWINDEV returns the number of the most recently opened, and still open, window. This proactive is becoming obsolete with GUI applications. 

FNWINDEV
Functions used
Variables
None


Comments



FNLEADZERO$

FNLEADZERO$(NUMBER,LENGTH)- converts and zero fills a number

Turns a number into a zero filled string, similar to CNVRT$(PIC(#####)",number)

Functions used |

Variables


Comments



FNGETK$ - \fs20

FNGETK$(X) !:

Get X key strokes and return the uppercase unhexed value if it is a letter

Functions used |

Variables


Comments

Used by some FNSNAP functins to create seach strings



FNSETALL - set all elements of an array

FNSETALL(SFLG) ! Set ALL elements of MAT SEL & MAT L$ 1/0

Description|

Functions used |

Variables


Comments



FNSETSEL - set all elements of an array

FNSETSEL(ELE,SETFLG) ! Set L$(ELE) for setflg 1-ON,0-OFF

Description|

Functions used |

Variables


Comments



FNPRTPICKBAR - a function to position a colored pick bar in FNPICK

FNPRTPICKBAR(COLOR$,PICK_ELE) ! print the fnpick light bar for COLOR$, element PICK_ELE

Description|

Functions used |

Variables


Comments



FNZLPAD$ - pads a number with zeros and converts to string

FNZLPAD$(NUMBER,LENGTH,DECIMALS)

Description|

Functions used |

Variables


Comments


FNINIT - initializes the variable required by the original FNSNAP functions

Converts 

FN()
Functions used
Variables
FILENAME$
DIRNAME$


Comments



FNNOKEY - chekc to see if CMDKEY or FKEY were pressed

Check to see if a CMDKEY or FKEY was pressed and produce an error for field C 

FNNOKEY(c)
Functions used
Variables
C Field number to produce an error for


Comments

Used by some older FNSNAP Utilities

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