From a587c5ff743321ad99906c1aec030cad46e6c2df Mon Sep 17 00:00:00 2001
From: paxcut <53811119+paxcut@users.noreply.github.com>
Date: Sun, 15 Sep 2024 06:22:35 -0700
Subject: [PATCH] feat: Added a quarter precision (8 bits) button to IEEE 745
 tool (#1868)

Per discussions on Discord.
---
 plugins/builtin/romfs/lang/en_US.json         |  1 +
 .../source/content/tools/ieee_decoder.cpp     | 20 +++++++++++++------
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/plugins/builtin/romfs/lang/en_US.json b/plugins/builtin/romfs/lang/en_US.json
index 51e2730c6..bc5f9d054 100644
--- a/plugins/builtin/romfs/lang/en_US.json
+++ b/plugins/builtin/romfs/lang/en_US.json
@@ -636,6 +636,7 @@
         "hex.builtin.tools.ieee754.mantissa_size": "Mantissa Size",
         "hex.builtin.tools.ieee754.result.float": "Floating Point Result",
         "hex.builtin.tools.ieee754.result.hex": "Hexadecimal Result",
+        "hex.builtin.tools.ieee754.quarter_precision": "Quarter Precision",
         "hex.builtin.tools.ieee754.result.title": "Result",
         "hex.builtin.tools.ieee754.settings.display_mode.detailed": "Detailed",
         "hex.builtin.tools.ieee754.settings.display_mode.simplified": "Simplified",
diff --git a/plugins/builtin/source/content/tools/ieee_decoder.cpp b/plugins/builtin/source/content/tools/ieee_decoder.cpp
index ee97bca38..ee83a0b46 100644
--- a/plugins/builtin/source/content/tools/ieee_decoder.cpp
+++ b/plugins/builtin/source/content/tools/ieee_decoder.cpp
@@ -24,12 +24,7 @@ namespace hex::plugin::builtin {
 
         class IEEE754STATICS {
         public:
-            IEEE754STATICS() {
-                value = 0;
-                exponentBitCount = 8;
-                mantissaBitCount = 23;
-                resultFloat = 0;
-            }
+            IEEE754STATICS() : value(0), exponentBitCount(8), mantissaBitCount(23), resultFloat(0) {}
 
             u128 value;
             i32 exponentBitCount;
@@ -567,6 +562,19 @@ namespace hex::plugin::builtin {
             auto color = ImGui::GetColorU32(ImGuiCol_ButtonActive);
 
             bool needsPop = false;
+            if (ieee754statics.exponentBitCount == 3 && ieee754statics.mantissaBitCount == 4) {
+                ImGui::PushStyleColor(ImGuiCol_Button, color);
+                needsPop = true;
+            }
+            if (ImGui::Button("hex.builtin.tools.ieee754.quarter_precision"_lang)) {
+                ieee754statics.exponentBitCount = 3;
+                ieee754statics.mantissaBitCount = 4;
+                inputFieldWidth = 0;
+            }
+            if (needsPop) ImGui::PopStyleColor();
+
+            ImGui::SameLine();
+            needsPop = false;
             if (ieee754statics.exponentBitCount == 5 && ieee754statics.mantissaBitCount == 10) {
                 ImGui::PushStyleColor(ImGuiCol_Button, color);
                 needsPop = true;