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NAME

slk_init,
slk_set,
slk_refresh,
slk_noutrefresh,
slk_label,
slk_clear,
slk_restore,
slk_touch,
slk_attron,
slk_attrset,
slk_attroff,
slk_attr_on,
slk_attr_set,
slk_attr_off,
slk_attr,
slk_color - curses soft label routines


 

SYNOPSIS

int slk_init(int fmt);
int slk_set(int labnum, const char *label, int fmt);
int slk_refresh(void);
int slk_noutrefresh(void);
char *slk_label(int labnum);
int slk_clear(void);
int slk_restore(void);
int slk_touch(void);
int slk_attron(const chtype attrs);
int slk_attroff(const chtype attrs);
int slk_attrset(const chtype attrs);
int slk_attr_on(attr_t attrs, void* opts);
int slk_attr_off(const attr_t attrs, void * opts);
int slk_attr_set(const attr_t attrs,
       short color_pair_number, void* opts);

attr_t slk_attr(void);
int slk_color(short color_pair_number);
 

DESCRIPTION

The slk_init routine must be called before initscr or newterm is called. If initscr eventually uses a line from stdscr to emulate the soft labels, then fmt determines how the labels are arranged on the screen. Setting fmt to 0 indicates a 3-2-3 arrangement of the labels, 1 indicates a 4-4 arrangement and 2 indicates the PC like 4-4-4 mode. If fmt is set to 3, it is again the PC like 4-4-4 mode, but in addition an index line is generated, helping the user to identify the key numbers easily.

The slk_set routine requires labnum to be a label number, from 1 to 8 (resp. 12); label must be the string to be put on the label, up to eight (resp. five) characters in length. A null string or a null pointer sets up a blank label. fmt is either 0, 1, or 2, indicating whether the label is to be left-justified, centered, or right-justified, respectively, within the label.

The slk_refresh and slk_noutrefresh routines correspond to the wrefresh and wnoutrefresh routines.

The slk_label routine returns the current label for label number labnum, with leading and trailing blanks stripped.

The slk_clear routine clears the soft labels from the screen.

The slk_restore routine restores the soft labels to the screen after a slk_clear has been performed.

The slk_touch routine forces all the soft labels to be output the next time a slk_noutrefresh is performed.

The slk_attron, slk_attrset, slk_attroff and slk_attr routines correspond to attron, attrset, attroff and attr_get. They have an effect only if soft labels are simulated on the bottom line of the screen. The default highlight for soft keys is A_STANDOUT (as in System V curses, which does not document this fact).

The slk_color routine corresponds to color_set. It has an effect only if soft labels are simulated on the bottom line of the screen.  

RETURN VALUE

X/Open defines no error conditions. In this implementation

slk_attr

returns the attribute used for the soft keys.

slk_attroff, slk_attron, slk_clear, slk_noutrefresh, slk_refresh, slk_touch return an error if the terminal or the softkeys were not initialized.

slk_attrset

returns an error if the terminal or the softkeys were not initialized.

slk_attr_set

returns an error if the terminal or the softkeys were not initialized, or the color pair is outside the range 0..COLOR_PAIRS-1, or opts is not null.

slk_color

returns an error if the terminal or the softkeys were not initialized, or the color pair is outside the range 0..COLOR_PAIRS-1.

slk_init

returns an error if the format parameter is outside the range 0..3.

slk_label

returns NULL on error.

slk_set

returns an error if the terminal or the softkeys were not initialized, or the labnum parameter is outside the range of label counts, or if the format parameter is outside the range 0..2, or if memory for the labels cannot be allocated.

NOTES

PORTABILITY

SEE ALSO

Index

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUE

NOTES

PORTABILITY

SEE ALSO

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