Add option for position of version string

Version string is located at left top corner originally, but that will
cause the first line labels too long and not easy to read.
This commit add a option in config to decide which corner to display
version string.

res/config.ini

@@ -186,6 +186,9 @@ hide_borders = false
 # Remove version number from the top left corner
 hide_version_string = false
 
+# Position of version string (0: top-left, 1: top-right, 2: bottom-left, 3: bottom-right)
+version_string_pos = 0
+
 # Remove power management command hints
 hide_key_hints = false
 

src/config/Config.zig

@@ -48,6 +48,7 @@ gameoflife_frame_delay: usize = 6,
 gameoflife_initial_density: f32 = 0.4,
 hide_borders: bool = false,
 hide_version_string: bool = false,
+version_string_pos: u8 = 0,
 hide_key_hints: bool = false,
 initial_info_text: ?[]const u8 = null,
 input_len: u8 = 34,

src/main.zig

@@ -538,8 +538,19 @@ pub fn main() !void {
             if (!animation_timed_out) animation.draw();
 
             if (!config.hide_version_string) {
-                buffer.drawLabel(ly_top_str, length, 0);
-                length += ly_top_str.len + 1;
+                switch (config.version_string_pos) {
+                    // top-right
+                    1 => buffer.drawLabel(ly_top_str, buffer.width - ly_top_str.len, 0),
+                    // bottom-left
+                    2 => buffer.drawLabel(ly_top_str, 0, buffer.height - 1),
+                    // bottom-right
+                    3 => buffer.drawLabel(ly_top_str, buffer.width - ly_top_str.len, buffer.height - 1),
+                    // top-left, default
+                    else => {
+                        buffer.drawLabel(ly_top_str, 0, 0);
+                        length += ly_top_str.len + 1;
+                    },
+                }
             }
 
             if (config.bigclock != .none and buffer.box_height + (bigclock.HEIGHT + 2) * 2 < buffer.height) {