mod(app): automatically hide cursor when running fullscreen tui's

src/app.zig

@@ -89,6 +89,7 @@ pub fn App(comptime E: type, comptime R: fn (comptime bool) type, comptime fulls
             if (fullscreen) {
                 try terminal.saveScreen();
                 try terminal.enterAltScreen();
+                try terminal.hideCursor();
             }
         }
 
@@ -109,6 +110,7 @@ pub fn App(comptime E: type, comptime R: fn (comptime bool) type, comptime fulls
             if (this.termios) |*termios| {
                 try terminal.disableRawMode(termios);
                 if (fullscreen) {
+                    try terminal.showCursor();
                     try terminal.existAltScreen();
                     try terminal.restoreScreen();
                 }

src/terminal.zig

@@ -43,6 +43,14 @@ pub fn clearScreen() !void {
     _ = try std.posix.write(std.posix.STDIN_FILENO, "\x1b[2J");
 }
 
+pub fn hideCursor() !void {
+    _ = try std.posix.write(std.posix.STDIN_FILENO, "\x1b[?25l");
+}
+
+pub fn showCursor() !void {
+    _ = try std.posix.write(std.posix.STDIN_FILENO, "\x1b[?25h");
+}
+
 pub fn setCursorPositionHome() !void {
     _ = try std.posix.write(std.posix.STDIN_FILENO, "\x1b[H");
 }