From 2efbb5feb1a8755185e9649ec3468e95c5257530 Mon Sep 17 00:00:00 2001
From: Yves Biener <yves.biener@gmx.de>
Date: Tue, 14 Jan 2025 17:08:19 +0100
Subject: [PATCH] mod(renderer): store absolut screen size for view change to
 report current screen size accordingly

---
 examples/tui.zig | 2 ++
 src/render.zig   | 7 +++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/examples/tui.zig b/examples/tui.zig
index 7a73d49..4329aa7 100644
--- a/examples/tui.zig
+++ b/examples/tui.zig
@@ -131,6 +131,8 @@ pub fn main() !void {
                 switch (e) {
                     .tui => {
                         view = tui_view;
+                        // NOTE: report potentially new screen size
+                        view.handle(.{ .resize = renderer.size });
                     },
                 }
             },
diff --git a/src/render.zig b/src/render.zig
index e689a82..df17247 100644
--- a/src/render.zig
+++ b/src/render.zig
@@ -19,13 +19,16 @@ pub fn Direct(comptime fullscreen: bool) type {
     _ = log;
     _ = fullscreen;
     return struct {
+        size: Size,
+
         pub fn resize(this: *@This(), size: Size) void {
-            _ = this;
-            _ = size;
+            this.size = size;
         }
 
         pub fn clear(this: *@This(), size: Size) !void {
             _ = this;
+            // NOTE: clear on the entire screen may introduce too much overhead and could instead clear the entire screen instead.
+            // - it could also then try to optimize for further *clear* calls, that result in pretty much a nop? -> how to identify those clear calls?
             // TODO: this should instead by dynamic and correct of size (terminal could be too large currently)
             std.debug.assert(1028 > size.cols);
             var buf: [1028]u8 = undefined;