From ff95a1c0d93ead59c82872314d7c50cb0a9a8dcc Mon Sep 17 00:00:00 2001
From: Alvin Wong <alvinhochun@gmail.com>
Date: Tue, 26 Jan 2021 16:32:54 +0800
Subject: [PATCH] Fix long-press on idle screen immediately changing temp.

Fixes #825
---
 source/Core/Threads/GUIThread.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/source/Core/Threads/GUIThread.cpp b/source/Core/Threads/GUIThread.cpp
index 5f1355bf..a142c8ba 100644
--- a/source/Core/Threads/GUIThread.cpp
+++ b/source/Core/Threads/GUIThread.cpp
@@ -184,13 +184,25 @@ static void gui_solderingTempAdjust() {
   currentTempTargetDegC           = 0;
   uint32_t autoRepeatTimer        = 0;
   uint8_t  autoRepeatAcceleration = 0;
+  bool waitForRelease = false;
+  ButtonState buttons = getButtonState();
+  if (buttons != BUTTON_NONE) {
+    // Temp adjust entered by long-pressing F button.
+    waitForRelease = true;
+  }
   for (;;) {
     OLED::setCursor(0, 0);
     OLED::clearScreen();
     OLED::setFont(0);
-    ButtonState buttons = getButtonState();
-    if (buttons)
+    buttons = getButtonState();
+    if (buttons) {
+      if (waitForRelease) {
+        buttons = BUTTON_NONE;
+      }
       lastChange = xTaskGetTickCount();
+    } else {
+      waitForRelease = false;
+    }
     switch (buttons) {
     case BUTTON_NONE:
       // stay