fix(renderer): direct renderer now enforces newlines to handle resizing correctly

src/app.zig

@@ -151,7 +151,7 @@ pub fn App(comptime M: type, comptime E: type) type {
                 var fl_flags = posix.system.fcntl(posix.STDIN_FILENO, posix.F.GETFL, 0);
                 // Step 2: Remove O_NONBLOCK
                 fl_flags ^= 1 << @bitOffsetOf(posix.system.O, "NONBLOCK");
-                std.log.debug("end fl_flags: {any}", .{fl_flags});
+                // std.log.debug("end fl_flags: {any}", .{fl_flags});
                 // Step 3: Set new flags
                 _ = posix.system.fcntl(posix.STDIN_FILENO, posix.F.SETFL, fl_flags);
             }
@@ -190,9 +190,9 @@ pub fn App(comptime M: type, comptime E: type) type {
             {
                 // TODO is there a better way to do this through the `std.Io` interface?
                 var fl_flags = posix.system.fcntl(posix.STDIN_FILENO, posix.F.GETFL, 0);
-                std.log.debug("start fl_flags: {any}", .{fl_flags});
+                // std.log.debug("start fl_flags: {any}", .{fl_flags});
                 fl_flags |= 1 << @bitOffsetOf(posix.system.O, "NONBLOCK");
-                std.log.debug("setting of fl_flags: {any}", .{fl_flags});
+                // std.log.debug("setting of fl_flags: {any}", .{fl_flags});
                 _ = posix.system.fcntl(posix.STDIN_FILENO, posix.F.SETFL, fl_flags);
             }
 

src/render.zig

@@ -159,16 +159,6 @@ pub const Direct = struct {
         try terminal.clearScreen();
     }
 
-    pub fn writeCtrlDWithNewline(this: *@This(), writer: *std.Io.Writer) !void {
-        _ = this;
-        _ = try terminal.write(writer, "^D\n");
-    }
-
-    pub fn writeNewline(this: *@This(), writer: *std.Io.Writer) !void {
-        _ = this;
-        _ = try terminal.write(writer, "\n");
-    }
-
     /// Render provided cells at size (anchor and dimension) into the *screen*.
     pub fn render(this: *@This(), comptime Container: type, container: *Container, comptime Model: type, model: *const Model) !void {
         const size: Point = container.size;
@@ -218,6 +208,7 @@ pub const Direct = struct {
                             break;
                         }
                     }
+                    // if there is nothing more to draw we can simply end this row rendering and go to the next row
                     if (last_cell) {
                         //std.log.debug("Found the last cell in row: {d} at column: {d}", .{row, col});
                         _ = try writer.write("\n");
@@ -227,6 +218,8 @@ pub const Direct = struct {
                 try cvs.value(writer);
                 if (cvs.style.cursor) return; // that's where the cursor should be left!
             }
+            // write newline at the end of the row
+            _ = try writer.write("\n");
         }
     }
 };