Class: Curses::Field
- Inherits:
-
Data
- Object
- Data
- Curses::Field
- Defined in:
- ext/curses/curses.c
Instance Method Summary collapse
-
#back ⇒ Object
call-seq: back.
-
#back=(attr) ⇒ Object
call-seq: set_back(attr).
-
#buffer(buf) ⇒ Object
call-seq: buffer(buf).
- #dynamic_height ⇒ Object
- #dynamic_width ⇒ Object
-
#fore ⇒ Object
call-seq: fore.
-
#fore=(attr) ⇒ Object
call-seq: set_fore(attr).
- #height ⇒ Object
-
#initialize(height, width, toprow, leftcol, offscreen, nbuffers) ⇒ Object
constructor
call-seq: new(height, width, toprow, leftcol, offscreen, nbuffers).
- #leftcol ⇒ Object
- #max ⇒ Object
- #max=(max) ⇒ Object
- #nbuffers ⇒ Object
- #offscreen ⇒ Object
-
#opts ⇒ Object
call-seq: opts.
-
#opts_off(opts) ⇒ Object
call-seq: opts_off(opts).
-
#opts_on(opts) ⇒ Object
call-seq: opts_on(opts).
-
#set_back(attr) ⇒ Object
call-seq: set_back(attr).
-
#set_buffer(buf, value) ⇒ Object
call-seq: set_buffer(buf, value).
-
#set_fore(attr) ⇒ Object
call-seq: set_fore(attr).
- #set_max(max) ⇒ Object
- #set_type(*args) ⇒ Object
- #toprow ⇒ Object
- #width ⇒ Object
Constructor Details
#initialize(height, width, toprow, leftcol, offscreen, nbuffers) ⇒ Object
call-seq:
new(height, width, toprow, leftcol, offscreen, nbuffers)
Construct a new Curses::Field.
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# File 'ext/curses/curses.c', line 3758
static VALUE
field_initialize(VALUE obj, VALUE height, VALUE width,
VALUE toprow, VALUE leftcol, VALUE offscreen, VALUE nbuffers)
{
struct fielddata *fieldp;
curses_init_screen();
TypedData_Get_Struct(obj, struct fielddata, &fielddata_type, fieldp);
if (fieldp->field) {
rb_raise(rb_eRuntimeError, "already initialized field");
}
fieldp->field = new_field(NUM2INT(height), NUM2INT(width),
NUM2INT(toprow), NUM2INT(leftcol),
NUM2INT(offscreen), NUM2INT(nbuffers));
if (fieldp->field == NULL) {
check_curses_error(errno);
}
return obj;
}
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Instance Method Details
#back ⇒ Object
call-seq:
back
Get the background attribute of the field.
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# File 'ext/curses/curses.c', line 3881
static VALUE
field_get_back(VALUE obj)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
return CHTYPE2NUM(field_back(fieldp->field));
}
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#back=(attr) ⇒ Object
call-seq:
set_back(attr)
Set the background attribute of the field.
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# File 'ext/curses/curses.c', line 3862
static VALUE
field_set_back(VALUE obj, VALUE attr)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
set_field_back(fieldp->field, NUM2CHTYPE(attr));
return attr;
}
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#buffer(buf) ⇒ Object
call-seq:
buffer(buf)
Get the numbered buffer of the field.
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# File 'ext/curses/curses.c', line 3807
static VALUE
field_buffer_m(VALUE obj, VALUE buf)
{
struct fielddata *fieldp;
char *s;
GetFIELD(obj, fieldp);
s = field_buffer(fieldp->field, NUM2INT(buf));
return rb_external_str_new_with_enc(s, strlen(s), terminal_encoding);
}
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#dynamic_height ⇒ Object
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# File 'ext/curses/curses.c', line 4017
static VALUE
field_dynamic_height(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = dynamic_field_info(fieldp->field, &val, NULL, NULL);
check_curses_error(error);
return INT2NUM(val);
}
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#dynamic_width ⇒ Object
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# File 'ext/curses/curses.c', line 4029
static VALUE
field_dynamic_width(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = dynamic_field_info(fieldp->field, NULL, &val, NULL);
check_curses_error(error);
return INT2NUM(val);
}
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#fore ⇒ Object
call-seq:
fore
Get the foreground attribute of the field.
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# File 'ext/curses/curses.c', line 3845
static VALUE
field_get_fore(VALUE obj)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
return CHTYPE2NUM(field_fore(fieldp->field));
}
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#fore=(attr) ⇒ Object
call-seq:
set_fore(attr)
Set the foreground attribute of the field.
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# File 'ext/curses/curses.c', line 3826
static VALUE
field_set_fore(VALUE obj, VALUE attr)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
set_field_fore(fieldp->field, NUM2CHTYPE(attr));
return attr;
}
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#height ⇒ Object
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# File 'ext/curses/curses.c', line 3945
static VALUE
field_height(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = field_info(fieldp->field, &val, NULL, NULL, NULL, NULL, NULL);
check_curses_error(error);
return INT2NUM(val);
}
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#leftcol ⇒ Object
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# File 'ext/curses/curses.c', line 3981
static VALUE
field_leftcol(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = field_info(fieldp->field, NULL, NULL, NULL, &val, NULL, NULL);
check_curses_error(error);
return INT2NUM(val);
}
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#max ⇒ Object
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# File 'ext/curses/curses.c', line 4041
static VALUE
field_max(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = dynamic_field_info(fieldp->field, NULL, NULL, &val);
check_curses_error(error);
return INT2NUM(val);
}
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#max=(max) ⇒ Object
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# File 'ext/curses/curses.c', line 4053
static VALUE
field_set_max(VALUE obj, VALUE max)
{
struct fielddata *fieldp;
int error;
GetFIELD(obj, fieldp);
error = set_max_field(fieldp->field, NUM2INT(max));
check_curses_error(error);
return max;
}
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#nbuffers ⇒ Object
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# File 'ext/curses/curses.c', line 4005
static VALUE
field_nbuffers(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = field_info(fieldp->field, NULL, NULL, NULL, NULL, NULL, &val);
check_curses_error(error);
return INT2NUM(val);
}
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#offscreen ⇒ Object
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# File 'ext/curses/curses.c', line 3993
static VALUE
field_offscreen(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = field_info(fieldp->field, NULL, NULL, NULL, NULL, &val, NULL);
check_curses_error(error);
return INT2NUM(val);
}
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#opts ⇒ Object
call-seq:
opts
Get the current option bits.
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# File 'ext/curses/curses.c', line 3936
static VALUE
field_opts_m(VALUE obj)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
return INT2NUM(field_opts(fieldp->field));
}
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#opts_off(opts) ⇒ Object
call-seq:
opts_off(opts)
Turn off the given option bits.
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# File 'ext/curses/curses.c', line 3917
static VALUE
field_opts_off_m(VALUE obj, VALUE opts)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
field_opts_off(fieldp->field, NUM2INT(opts));
return opts;
}
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#opts_on(opts) ⇒ Object
call-seq:
opts_on(opts)
Turn on the given option bits.
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# File 'ext/curses/curses.c', line 3898
static VALUE
field_opts_on_m(VALUE obj, VALUE opts)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
field_opts_on(fieldp->field, NUM2INT(opts));
return opts;
}
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#set_back(attr) ⇒ Object
call-seq:
set_back(attr)
Set the background attribute of the field.
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# File 'ext/curses/curses.c', line 3862
static VALUE
field_set_back(VALUE obj, VALUE attr)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
set_field_back(fieldp->field, NUM2CHTYPE(attr));
return attr;
}
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#set_buffer(buf, value) ⇒ Object
call-seq:
set_buffer(buf, value)
Set the numbered buffer of the field.
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# File 'ext/curses/curses.c', line 3787
static VALUE
field_set_buffer(VALUE obj, VALUE buf, VALUE value)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
value = rb_str_export_to_enc(value, terminal_encoding);
set_field_buffer(fieldp->field, NUM2INT(buf), StringValueCStr(value));
return obj;
}
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#set_fore(attr) ⇒ Object
call-seq:
set_fore(attr)
Set the foreground attribute of the field.
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# File 'ext/curses/curses.c', line 3826
static VALUE
field_set_fore(VALUE obj, VALUE attr)
{
struct fielddata *fieldp;
GetFIELD(obj, fieldp);
set_field_fore(fieldp->field, NUM2CHTYPE(attr));
return attr;
}
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#set_max(max) ⇒ Object
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# File 'ext/curses/curses.c', line 4053
static VALUE
field_set_max(VALUE obj, VALUE max)
{
struct fielddata *fieldp;
int error;
GetFIELD(obj, fieldp);
error = set_max_field(fieldp->field, NUM2INT(max));
check_curses_error(error);
return max;
}
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#set_type(*args) ⇒ Object
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# File 'ext/curses/curses.c', line 4072
static VALUE
field_set_type(int argc, VALUE *argv, VALUE obj)
{
struct fielddata *fieldp;
VALUE type;
int type_code;
int error;
if (argc < 1) {
rb_raise(rb_eArgError,
"wrong number of arguments (given %d, expected 1)", argc);
}
type_code = NUM2INT(argv[0]);
GetFIELD(obj, fieldp);
switch (type_code) {
case TYPE_CODE_ALPHA:
{
VALUE width;
rb_scan_args(argc, argv, "11", &type, &width);
error = set_field_type(fieldp->field, TYPE_ALPHA,
NIL_P(width) ? 0 : NUM2INT(width));
}
break;
case TYPE_CODE_ALNUM:
{
VALUE width;
rb_scan_args(argc, argv, "11", &type, &width);
error = set_field_type(fieldp->field, TYPE_ALNUM,
NIL_P(width) ? 0 : NUM2INT(width));
}
break;
#if 0
case TYPE_CODE_ENUM:
{
/* TODO: consider how valuelist should be allocated? */
}
break;
#endif
case TYPE_CODE_INTEGER:
{
VALUE padding, vmin, vmax;
rb_scan_args(argc, argv, "13", &type, &padding, &vmin, &vmax);
error = set_field_type(fieldp->field, TYPE_INTEGER,
NIL_P(padding) ? 0 : NUM2INT(padding),
NIL_P(vmin) ? INT_MIN : NUM2INT(vmin),
NIL_P(vmax) ? INT_MAX : NUM2INT(vmax));
}
break;
case TYPE_CODE_NUMERIC:
{
VALUE padding, vmin, vmax;
rb_scan_args(argc, argv, "13", &type, &padding, &vmin, &vmax);
error = set_field_type(fieldp->field, TYPE_INTEGER,
NIL_P(padding) ? 0 : NUM2INT(padding),
NIL_P(vmin) ? INT_MIN : NUM2INT(vmin),
NIL_P(vmax) ? INT_MAX : NUM2INT(vmax));
}
break;
#if 0
case TYPE_CODE_REGEXP:
{
/* TODO: consider how regexp should be allocated? */
}
break;
#endif
default:
rb_raise(rb_eArgError, "unknwon type: %d", type_code);
break;
}
check_curses_error(error);
return obj;
}
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#toprow ⇒ Object
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# File 'ext/curses/curses.c', line 3969
static VALUE
field_toprow(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = field_info(fieldp->field, NULL, NULL, &val, NULL, NULL, NULL);
check_curses_error(error);
return INT2NUM(val);
}
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#width ⇒ Object
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# File 'ext/curses/curses.c', line 3957
static VALUE
field_width(VALUE obj)
{
struct fielddata *fieldp;
int error, val;
GetFIELD(obj, fieldp);
error = field_info(fieldp->field, NULL, &val, NULL, NULL, NULL, NULL);
check_curses_error(error);
return INT2NUM(val);
}
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