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Give term.fg() and term.bg() a bool return value

This commit is contained in:
Kevin Ballard 2013-07-10 18:26:04 -07:00
parent 0cb1ac0f9f
commit 7d8a0fdb7d
1 changed files with 14 additions and 4 deletions
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18
src/libextra/term.rs
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@ -88,33 +88,41 @@ impl Terminal {
///
/// If the color is a bright color, but the terminal only supports 8 colors,
/// the corresponding normal color will be used instead.
pub fn fg(&self, color: color::Color) {
///
/// Returns true if the color was set, false otherwise.
pub fn fg(&self, color: color::Color) -> bool {
let color = self.dim_if_necessary(color);
if self.num_colors > color {
let s = expand(*self.ti.strings.find_equiv(&("setaf")).unwrap(),
[Number(color as int)], &mut Variables::new());
if s.is_ok() {
self.out.write(s.unwrap());
return true
} else {
warn!("%s", s.unwrap_err());
}
}
false
}
/// Sets the background color to the given color.
///
/// If the color is a bright color, but the terminal only supports 8 colors,
/// the corresponding normal color will be used instead.
pub fn bg(&self, color: color::Color) {
///
/// Rturns true if the color was set, false otherwise.
pub fn bg(&self, color: color::Color) -> bool {
let color = self.dim_if_necessary(color);
if self.num_colors > color {
let s = expand(*self.ti.strings.find_equiv(&("setab")).unwrap(),
[Number(color as int)], &mut Variables::new());
if s.is_ok() {
self.out.write(s.unwrap());
return true
} else {
warn!("%s", s.unwrap_err());
}
}
false
}
pub fn reset(&self) {
let mut vars = Variables::new();
@ -144,10 +152,12 @@ impl Terminal {
return Ok(Terminal {out: out, num_colors: 0});
}
pub fn fg(&self, _color: color::Color) {
pub fn fg(&self, _color: color::Color) -> bool {
false
}
pub fn bg(&self, _color: color::Color) {
pub fn bg(&self, _color: color::Color) -> bool {
false
}
pub fn reset(&self) {