From 058721be0e1ece6d0f4e5f80ec00832064cc7a7f Mon Sep 17 00:00:00 2001
From: jpirnay <jens@pirnay.com>
Date: Tue, 14 Apr 2026 20:40:59 +0200
Subject: [PATCH] Tweak epubreadermenu for X3 device

---
 src/activities/reader/EpubReaderMenuActivity.cpp | 8 +++++++-
 src/activities/reader/EpubReaderMenuActivity.h   | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/activities/reader/EpubReaderMenuActivity.cpp b/src/activities/reader/EpubReaderMenuActivity.cpp
index d6a3610a..c0e70218 100644
--- a/src/activities/reader/EpubReaderMenuActivity.cpp
+++ b/src/activities/reader/EpubReaderMenuActivity.cpp
@@ -1,6 +1,7 @@
 #include "EpubReaderMenuActivity.h"
 
 #include <GfxRenderer.h>
+#include <HalGPIO.h>
 #include <I18n.h>
 
 #include "KOReaderCredentialStore.h"
@@ -233,5 +234,10 @@ void EpubReaderMenuActivity::render(RenderLock&&) {
   const auto labels = mappedInput.mapLabels(tr(STR_BACK), tr(STR_SELECT), tr(STR_DIR_UP), tr(STR_DIR_DOWN));
   GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
 
-  renderer.displayBuffer();
+  if (gpio.deviceIsX3() && !initialHalfRefreshDone) {
+    initialHalfRefreshDone = true;
+    renderer.displayBuffer(HalDisplay::HALF_REFRESH);
+  } else {
+    renderer.displayBuffer();
+  }
 }
diff --git a/src/activities/reader/EpubReaderMenuActivity.h b/src/activities/reader/EpubReaderMenuActivity.h
index d5fc72c9..1741eefa 100644
--- a/src/activities/reader/EpubReaderMenuActivity.h
+++ b/src/activities/reader/EpubReaderMenuActivity.h
@@ -62,6 +62,7 @@ class EpubReaderMenuActivity final : public MenuListActivity {
   int8_t pendingEmbeddedStyleOverride = -1;
   int8_t pendingImageRenderingOverride = -1;
   uint8_t pendingTextDarkness = 1;
+  bool initialHalfRefreshDone = false;
 
   static constexpr const char* pageTurnLabels[] = {"", "1", "3", "6", "12"};