Add Effect::Blink

cursive-core/src/theme/effect.rs

@@ -16,4 +16,6 @@ pub enum Effect {
     Strikethrough,
     /// Prints foreground with underline
     Underline,
+    /// Foreground text blinks (background color is static).
+    Blink,
 }

cursive/src/backends/blt.rs

@@ -268,6 +268,7 @@ impl backend::Backend for Backend {
             | Effect::Italic
             | Effect::Underline
             | Effect::Strikethrough
+            | Effect::Blink
             | Effect::Simple => {}
             // TODO: how to do this correctly?`
             //       BLT itself doesn't do this kind of thing,
@@ -286,6 +287,7 @@ impl backend::Backend for Backend {
             | Effect::Italic
             | Effect::Underline
             | Effect::Strikethrough
+            | Effect::Blink
             | Effect::Simple => {}
             // The process of reversing is the same as unreversing
             Effect::Reverse => {

cursive/src/backends/crossterm.rs

@@ -363,6 +363,7 @@ impl backend::Backend for Backend {
             theme::Effect::Simple => (),
             theme::Effect::Reverse => self.set_attr(Attribute::Reverse),
             theme::Effect::Bold => self.set_attr(Attribute::Bold),
+            theme::Effect::Blink => self.set_attr(Attribute::SlowBlink),
             theme::Effect::Italic => self.set_attr(Attribute::Italic),
             theme::Effect::Strikethrough => {
                 self.set_attr(Attribute::CrossedOut)
@@ -376,6 +377,7 @@ impl backend::Backend for Backend {
             theme::Effect::Simple => (),
             theme::Effect::Reverse => self.set_attr(Attribute::NoReverse),
             theme::Effect::Bold => self.set_attr(Attribute::NormalIntensity),
+            theme::Effect::Blink => self.set_attr(Attribute::NoBlink),
             theme::Effect::Italic => self.set_attr(Attribute::NoItalic),
             theme::Effect::Strikethrough => {
                 self.set_attr(Attribute::NotCrossedOut)

cursive/src/backends/curses/n.rs

@@ -364,6 +364,7 @@ impl backend::Backend for Backend {
             Effect::Reverse => ncurses::A_REVERSE(),
             Effect::Simple => ncurses::A_NORMAL(),
             Effect::Bold => ncurses::A_BOLD(),
+            Effect::Blink => ncurses::A_BLINK(),
             Effect::Italic => ncurses::A_ITALIC(),
             Effect::Strikethrough => ncurses::A_NORMAL(),
             Effect::Underline => ncurses::A_UNDERLINE(),
@@ -376,6 +377,7 @@ impl backend::Backend for Backend {
             Effect::Reverse => ncurses::A_REVERSE(),
             Effect::Simple => ncurses::A_NORMAL(),
             Effect::Bold => ncurses::A_BOLD(),
+            Effect::Blink => ncurses::A_BLINK(),
             Effect::Italic => ncurses::A_ITALIC(),
             Effect::Strikethrough => ncurses::A_NORMAL(),
             Effect::Underline => ncurses::A_UNDERLINE(),

cursive/src/backends/curses/pan.rs

@@ -396,6 +396,7 @@ impl backend::Backend for Backend {
             Effect::Simple => pancurses::Attribute::Normal,
             Effect::Reverse => pancurses::Attribute::Reverse,
             Effect::Bold => pancurses::Attribute::Bold,
+            Effect::Blink => pancurses::Attribute::Blink,
             Effect::Italic => pancurses::Attribute::Italic,
             Effect::Strikethrough => pancurses::Attribute::Strikeout,
             Effect::Underline => pancurses::Attribute::Underline,
@@ -408,6 +409,7 @@ impl backend::Backend for Backend {
             Effect::Simple => pancurses::Attribute::Normal,
             Effect::Reverse => pancurses::Attribute::Reverse,
             Effect::Bold => pancurses::Attribute::Bold,
+            Effect::Blink => pancurses::Attribute::Blink,
             Effect::Italic => pancurses::Attribute::Italic,
             Effect::Strikethrough => pancurses::Attribute::Strikeout,
             Effect::Underline => pancurses::Attribute::Underline,

cursive/src/backends/termion.rs

@@ -245,6 +245,7 @@ impl backend::Backend for Backend {
             theme::Effect::Simple => (),
             theme::Effect::Reverse => self.write(tstyle::Invert),
             theme::Effect::Bold => self.write(tstyle::Bold),
+            theme::Effect::Blink => self.write(tstyle::Blink),
             theme::Effect::Italic => self.write(tstyle::Italic),
             theme::Effect::Strikethrough => self.write(tstyle::CrossedOut),
             theme::Effect::Underline => self.write(tstyle::Underline),
@@ -256,6 +257,7 @@ impl backend::Backend for Backend {
             theme::Effect::Simple => (),
             theme::Effect::Reverse => self.write(tstyle::NoInvert),
             theme::Effect::Bold => self.write(tstyle::NoFaint),
+            theme::Effect::Blink => self.write(tstyle::NoBlink),
             theme::Effect::Italic => self.write(tstyle::NoItalic),
             theme::Effect::Strikethrough => self.write(tstyle::NoCrossedOut),
             theme::Effect::Underline => self.write(tstyle::NoUnderline),