Reset foreground and background color individually (#138)

crossterm_style/examples/style.rs

@@ -387,3 +387,12 @@ pub fn print_supported_colors() {
         println!("Test {}", Colored::Bg(Color::AnsiValue(i as u8)));
     }
 }
+
+pub fn reset_fg_and_bg() {
+    println!("{}", Colored::Fg(Color::Reset));
+    println!("{}", Colored::Bg(Color::Reset));
+}
+
+fn main() {
+    print_all_background_colors_with_method()
+}

crossterm_style/src/ansi_color.rs

@@ -45,14 +45,24 @@ impl ITerminalColor for AnsiColor {
 
         match colored {
             Colored::Fg(new_color) => {
+                if new_color == Color::Reset {
+                    ansi_value.push_str("39");
+                    return ansi_value;
+                } else {
                     ansi_value.push_str("38;");
                     color = new_color;
                 }
+            }
             Colored::Bg(new_color) => {
+                if new_color == Color::Reset {
+                    ansi_value.push_str("49");
+                    return ansi_value;
+                } else {
                     ansi_value.push_str("48;");
                     color = new_color;
                 }
             }
+        }
 
         let rgb_val: String;
 
@@ -73,7 +83,6 @@ impl ITerminalColor for AnsiColor {
             Color::DarkCyan => "5;6",
             Color::White => "5;15",
             Color::Grey => "5;7",
-
             Color::Rgb { r, g, b } => {
                 rgb_val = format!("2;{};{};{}", r, g, b);
                 rgb_val.as_str()
@@ -82,6 +91,7 @@ impl ITerminalColor for AnsiColor {
                 rgb_val = format!("5;{}", val);
                 rgb_val.as_str()
             }
+            _ => "",
         };
 
         ansi_value.push_str(color_val);

crossterm_style/src/enums/attribute.rs

@@ -112,14 +112,6 @@ pub enum Attribute {
     /// [info]: Opposite of `CrossedOut`(9)
     /// [Supportability]: Not widely supported
     NotCrossedOut = 29,
-    /// This will reset the foreground color to default.
-    /// [info]: Implementation defined (according to standard)
-    /// [Supportability]: Unknown
-    DefaultForegroundColor = 48,
-    /// This will reset the background color to default.
-    /// [info]: Implementation defined (according to standard)
-    /// [Supportability]: Unknown
-    DefaultBackgroundColor = 49,
     /// Framed font.
     /// [Supportability]: Not widely supported
     Framed = 51,

crossterm_style/src/enums/color.rs

@@ -2,8 +2,11 @@ use std::convert::AsRef;
 use std::str::FromStr;
 
 /// Colors that are available for coloring the terminal font.
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, PartialOrd, PartialEq)]
 pub enum Color {
+    // This resets the color.
+    Reset,
+
     Black,
     DarkGrey,
 

crossterm_style/src/winapi_color.rs

@@ -8,6 +8,16 @@ use std::io;
 use std::sync::{Once, ONCE_INIT};
 use winapi::um::wincon;
 
+const FG_GREEN: u16 = wincon::FOREGROUND_GREEN;
+const FG_RED: u16 = wincon::FOREGROUND_RED;
+const FG_BLUE: u16 = wincon::FOREGROUND_BLUE;
+const FG_INTENSITY: u16 = wincon::FOREGROUND_INTENSITY;
+
+const BG_GREEN: u16 = wincon::BACKGROUND_GREEN;
+const BG_RED: u16 = wincon::BACKGROUND_RED;
+const BG_BLUE: u16 = wincon::BACKGROUND_BLUE;
+const BG_INTENSITY: u16 = wincon::BACKGROUND_INTENSITY;
+
 /// This struct is a WinApi implementation for color related actions.
 pub struct WinApiColor;
 
@@ -85,35 +95,36 @@ impl ITerminalColor for WinApiColor {
     fn color_value(&self, color: Colored) -> String {
         let winapi_color: u16;
 
-        let fg_green = wincon::FOREGROUND_GREEN;
-        let fg_red = wincon::FOREGROUND_RED;
-        let fg_blue = wincon::FOREGROUND_BLUE;
-        let fg_intensity = wincon::FOREGROUND_INTENSITY;
-
-        let bg_green = wincon::BACKGROUND_GREEN;
-        let bg_red = wincon::BACKGROUND_RED;
-        let bg_blue = wincon::BACKGROUND_BLUE;
-        let bg_intensity = wincon::BACKGROUND_INTENSITY;
-
         match color {
             Colored::Fg(color) => {
                 winapi_color = match color {
                     Color::Black => 0,
-                    Color::DarkGrey => fg_intensity,
+                    Color::DarkGrey => FG_INTENSITY,
-                    Color::Red => fg_intensity | fg_red,
+                    Color::Red => FG_INTENSITY | FG_RED,
-                    Color::DarkRed => fg_red,
+                    Color::DarkRed => FG_RED,
-                    Color::Green => fg_intensity | fg_green,
+                    Color::Green => FG_INTENSITY | FG_GREEN,
-                    Color::DarkGreen => fg_green,
+                    Color::DarkGreen => FG_GREEN,
-                    Color::Yellow => fg_intensity | fg_green | fg_red,
+                    Color::Yellow => FG_INTENSITY | FG_GREEN | FG_RED,
-                    Color::DarkYellow => fg_green | fg_red,
+                    Color::DarkYellow => FG_GREEN | FG_RED,
-                    Color::Blue => fg_intensity | fg_blue,
+                    Color::Blue => FG_INTENSITY | FG_BLUE,
-                    Color::DarkBlue => fg_blue,
+                    Color::DarkBlue => FG_BLUE,
-                    Color::Magenta => fg_intensity | fg_red | fg_blue,
+                    Color::Magenta => FG_INTENSITY | FG_RED | FG_BLUE,
-                    Color::DarkMagenta => fg_red | fg_blue,
+                    Color::DarkMagenta => FG_RED | FG_BLUE,
-                    Color::Cyan => fg_intensity | fg_green | fg_blue,
+                    Color::Cyan => FG_INTENSITY | FG_GREEN | FG_BLUE,
-                    Color::DarkCyan => fg_green | fg_blue,
+                    Color::DarkCyan => FG_GREEN | FG_BLUE,
-                    Color::White => fg_red | fg_green | fg_blue,
+                    Color::White => FG_RED | FG_GREEN | FG_BLUE,
-                    Color::Grey => fg_intensity | fg_red | fg_green | fg_blue,
+                    Color::Grey => FG_INTENSITY | FG_RED | FG_GREEN | FG_BLUE,
+
+                    Color::Reset => {
+                        // init the original color in case it is not set.
+                        let mut original_color = original_console_color();
+
+                        const REMOVE_BG_MASK: u16 = BG_INTENSITY | BG_RED | BG_GREEN | BG_BLUE;
+                        // remove all background values from the original color, we don't want to reset those.
+                        original_color &= !(REMOVE_BG_MASK);
+
+                        original_color
+                    }
 
                     /* WinApi will be used for systems that do not support ANSI, those are windows version less then 10. RGB and 255 (AnsiBValue) colors are not supported in that case.*/
                     Color::Rgb { r: _, g: _, b: _ } => 0,
@@ -123,22 +134,31 @@ impl ITerminalColor for WinApiColor {
             Colored::Bg(color) => {
                 winapi_color = match color {
                     Color::Black => 0,
-                    Color::DarkGrey => bg_intensity,
+                    Color::DarkGrey => BG_INTENSITY,
-                    Color::Red => bg_intensity | bg_red,
+                    Color::Red => BG_INTENSITY | BG_RED,
-                    Color::DarkRed => bg_red,
+                    Color::DarkRed => BG_RED,
-                    Color::Green => bg_intensity | bg_green,
+                    Color::Green => BG_INTENSITY | BG_GREEN,
-                    Color::DarkGreen => bg_green,
+                    Color::DarkGreen => BG_GREEN,
-                    Color::Yellow => bg_intensity | bg_green | bg_red,
+                    Color::Yellow => BG_INTENSITY | BG_GREEN | BG_RED,
-                    Color::DarkYellow => bg_green | bg_red,
+                    Color::DarkYellow => BG_GREEN | BG_RED,
-                    Color::Blue => bg_intensity | bg_blue,
+                    Color::Blue => BG_INTENSITY | BG_BLUE,
-                    Color::DarkBlue => bg_blue,
+                    Color::DarkBlue => BG_BLUE,
-                    Color::Magenta => bg_intensity | bg_red | bg_blue,
+                    Color::Magenta => BG_INTENSITY | BG_RED | BG_BLUE,
-                    Color::DarkMagenta => bg_red | bg_blue,
+                    Color::DarkMagenta => BG_RED | BG_BLUE,
-                    Color::Cyan => bg_intensity | bg_green | bg_blue,
+                    Color::Cyan => BG_INTENSITY | BG_GREEN | BG_BLUE,
-                    Color::DarkCyan => bg_green | bg_blue,
+                    Color::DarkCyan => BG_GREEN | BG_BLUE,
-                    Color::White => bg_intensity | bg_red | bg_green | bg_blue,
+                    Color::White => BG_INTENSITY | BG_RED | BG_GREEN | BG_BLUE,
-                    Color::Grey => bg_red | bg_green | bg_blue,
+                    Color::Grey => BG_RED | BG_GREEN | BG_BLUE,
 
+                    Color::Reset => {
+                        // init the original color in case it is not set.
+                        let mut original_color = original_console_color();
+
+                        const REMOVE_FG_MASK: u16 = FG_INTENSITY | FG_RED | FG_GREEN | FG_BLUE;
+                        // remove all foreground values from the original color, we don't want to reset those.
+                        original_color &= !(REMOVE_FG_MASK);
+                        original_color
+                    }
                     /* WinApi will be used for systems that do not support ANSI, those are windows version less then 10. RGB and 255 (AnsiBValue) colors are not supported in that case.*/
                     Color::Rgb { r: _, g: _, b: _ } => 0,
                     Color::AnsiValue(_val) => 0,

docs/CHANGELOG.md

@@ -1,3 +1,9 @@
+# Changes crossterm_input 0.9.4
+- Reset foreground and background color individually. [PR](https://github.com/TimonPost/crossterm/pull/138)
+- Backtap input support. [PR](https://github.com/TimonPost/crossterm/pull/129)
+- Corrected white/grey and added dark grey.
+- Fixed getting cursor position with raw screen enabled. [PR](https://github.com/TimonPost/crossterm/pull/134)
+
 # Changes crossterm_input 0.9.3
 - Removed println from `SyncReader`
 

docs/know_problems.md

@@ -3,6 +3,8 @@ And I don't think it has to do anything with crossterm but it has to do whit how
 
 # Winapi-problems
 - Power shell does not interpreter 'DarkYellow' and is instead using gray instead, cmd is working perfectly fine.
+- Power shell inserts an '\n' (enter) when the program starts, this enter is the one you pressed when running the command.
+- After the program ran, power shell will reset the background and foreground colors.
 
 # UNIX-terminals
 The Arc and Manjaro KDE Konsole's are not seeming to resize the terminal instead they are resizing the buffer. 

examples/style.rs

@@ -405,7 +405,9 @@ pub fn print_supported_colors() {
     }
 }
 
-fn main() {
+pub fn reset_fg_and_bg() {
-    print_all_background_colors_with_method();
+    println!("{}", Colored::Fg(Color::Reset));
-    print_all_foreground_colors_with_method();
+    println!("{}", Colored::Bg(Color::Reset));
 }
+
+fn main() {}

examples/terminal.rs

@@ -146,5 +146,5 @@ pub fn exit() {
 }
 
 fn main() {
-    print_terminal_size();
+    clear_until_new_line();
 }