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- proper layout formatted soft label array, with justification formatted labels

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- some minor preventatives
This commit is contained in:
Dan Lynch 2006-06-21 15:09:55 +00:00
parent 811df504a5
commit 890dc758e8
1 changed files with 68 additions and 15 deletions
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83
src/hci/mucurses/slk.c
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@ -23,7 +23,7 @@ struct _softlabel {
};
struct _softlabelkeys {
struct _softlabel fkeys[12];
struct _softlabel *fkeys;
attr_t attrs;
/* Soft label layout format
0: 3-2-3
@ -41,6 +41,8 @@ struct _softlabelkeys {
struct _softlabelkeys *slks;
static unsigned short pos_x;
/*
I either need to break the primitives here, or write a collection of
functions specifically for SLKs that directly access the screen
@ -52,6 +54,43 @@ static void _movetoslk ( void ) {
stdscr->scr->movetoyx( stdscr->scr, LINES, 0 );
}
static void _print_label ( struct _softlabel sl ) {
unsigned short i = 0;
int space_ch;
char *str = malloc((size_t)slks->max_label_len);
space_ch = ' ';
// protect against gaps in the soft label keys array
if ( sl.label == NULL ) {
memset( str, space_ch, (size_t)(slks->max_label_len) );
} else {
/* we need to pad the label with varying amounts of leading
pad depending on the format of the label */
if ( sl.fmt == 1 ) {
memset( str, space_ch,
(size_t)(slks->max_label_len
- strlen(sl.label)) / 2 );
}
if ( sl.fmt == 2 ) {
memset( str, space_ch,
(size_t)(slks->max_label_len
- strlen(sl.label)) );
}
strcat(str,sl.label);
// post-padding
memset(str+strlen(str), space_ch,
(size_t)(slks->max_label_len - strlen(str)) );
str[slks->max_label_len] = '\0';
}
// print the formatted label
for ( ; i < slks->max_label_len; i++ ) {
stdscr->scr->putc( stdscr->scr, (chtype)str[i] | slks->attrs );
}
}
/**
* Return the attribute used for the soft function keys
*
@ -149,9 +188,18 @@ int slk_attr_set ( const attr_t attrs, short colour_pair_number,
* @ret rc return status code
*/
int slk_clear ( void ) {
chtype space_ch;
if ( slks == NULL )
return ERR;
return 0;
_movetoslk();
pos_x = 0;
space_ch = (chtype)' ' | slks->attrs;
for ( ; pos_x < COLS; pos_x++ )
stdscr->scr->putc( stdscr->scr, space_ch );
return OK;
}
/**
@ -211,8 +259,11 @@ int slk_init ( int fmt ) {
// determine maximum label length and major space size
available_width = COLS - ( ( MIN_SPACE_SIZE * nmaj ) + nmin );
slks->max_label_len = available_width / nblocks;
slks->maj_space_len = ( available_width % nblocks ) / nmaj;
slks->maj_space_len = MIN_SPACE_SIZE +
( available_width % nblocks ) / nmaj;
slks->num_spaces = nmaj;
slks->num_labels = nblocks;
slks->fkeys = calloc( nblocks, sizeof(struct _softlabel) );
// strip a line from the screen
LINES -= 1;
@ -242,28 +293,31 @@ int slk_restore ( void ) {
unsigned short i, j,
*next_space, *last_space;
chtype space_ch;
char c;
if ( slks == NULL )
if ( slks == NULL )
return ERR;
pos_x = 0;
_movetoslk();
space_ch = (int)' ' | slks->attrs;
space_ch = (chtype)' ' | slks->attrs;
next_space = &(slks->spaces[0]);
last_space = &(slks->spaces[slks->num_spaces-1]);
for ( i = 0; i < slks->num_labels ; i++ ) {
while ( ( c = *(slks->fkeys[i].label++) ) != '\0' ) {
stdscr->scr->putc( stdscr->scr, (int)c | slks->attrs );
}
_print_label( slks->fkeys[i] );
pos_x += slks->max_label_len;
if ( i == *next_space ) {
for ( j = 0; j < slks->maj_space_len; j++ )
for ( j = 0; j < slks->maj_space_len; j++, pos_x++ )
stdscr->scr->putc( stdscr->scr, space_ch );
if ( next_space < last_space )
next_space++;
} else {
stdscr->scr->putc( stdscr->scr, space_ch );
if ( pos_x < COLS )
stdscr->scr->putc( stdscr->scr, space_ch );
pos_x++;
}
}
@ -281,14 +335,13 @@ int slk_restore ( void ) {
int slk_set ( int labnum, const char *label, int fmt ) {
if ( slks == NULL )
return ERR;
if ( (unsigned short)labnum > 12 )
if ( (unsigned short)labnum >= slks->num_labels )
return ERR;
if ( (unsigned short)fmt >= 3 )
return ERR;
if ( strlen(label) > slks->max_label_len )
return ERR;
strcpy( slks->fkeys[labnum].label, label );
slks->fkeys[labnum].label = malloc((size_t)slks->max_label_len + 1);
strncpy(slks->fkeys[labnum].label, label, (size_t)slks->max_label_len);
slks->fkeys[labnum].fmt = fmt;
return OK;