Add customizable foreground color to CMatrix (#652)

* Final fixes, adding fg_ini as field

* Capital B changed to lowercase

res/config.ini

@@ -44,6 +44,9 @@ bg = 0
 # Foreground color id
 fg = 8
 
+# CMatrix animation foreground color id
+cmatrix_fg = 3
+
 # Border color
 border_fg = 8
 
@@ -164,4 +167,4 @@ xsessions = /usr/share/xsessions
 # Brightness control
 brightness_down_key = F5
 brightness_up_key = F6
-Brightness_change = 10
+brightness_change = 10

src/animations/Matrix.zig

@@ -34,8 +34,9 @@ dots: []Dot,
 lines: []Line,
 frame: u64,
 count: u64,
+fg_ini: u16,
 
-pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer) !Matrix {
+pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg_ini: u16) !Matrix {
     const dots = try allocator.alloc(Dot, terminal_buffer.width * (terminal_buffer.height + 1));
     const lines = try allocator.alloc(Line, terminal_buffer.width);
 
@@ -48,6 +49,7 @@ pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer) !Matrix {
         .lines = lines,
         .frame = 3,
         .count = 0,
+        .fg_ini = fg_ini,
     };
 }
 
@@ -145,7 +147,8 @@ pub fn draw(self: *Matrix) void {
         var y: u64 = 1;
         while (y <= self.terminal_buffer.height) : (y += 1) {
             const dot = self.dots[buf_width * y + x];
-            var fg: u16 = @intCast(termbox.TB_GREEN);
+
+            var fg: u16 = self.fg_ini;
 
             if (dot.value == -1 or dot.value == ' ') {
                 _ = termbox.tb_set_cell(@intCast(x), @intCast(y - 1), ' ', fg, termbox.TB_DEFAULT);

src/config/Config.zig

@@ -16,6 +16,7 @@ clock: ?[:0]const u8 = null,
 console_dev: [:0]const u8 = "/dev/console",
 default_input: Input = .login,
 fg: u8 = 8,
+cmatrix_fg: u8 = 3,
 hide_borders: bool = false,
 hide_key_hints: bool = false,
 initial_info_text: ?[]const u8 = null,

src/main.zig

@@ -230,7 +230,7 @@ pub fn main() !void {
     switch (config.animation) {
         .none => {},
         .doom => doom = try Doom.init(allocator, &buffer),
-        .matrix => matrix = try Matrix.init(allocator, &buffer),
+        .matrix => matrix = try Matrix.init(allocator, &buffer, config.cmatrix_fg),
     }
     defer {
         switch (config.animation) {